Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /************************************************************************ |
ravinandan.arakali@neterion.com | 776bd20 | 2005-09-06 21:36:56 -0700 | [diff] [blame] | 2 | * s2io.c: A Linux PCI-X Ethernet driver for Neterion 10GbE Server NIC |
Jon Mason | 926bd90 | 2010-07-15 08:47:26 +0000 | [diff] [blame] | 3 | * Copyright(c) 2002-2010 Exar Corp. |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5 | * This software may be used and distributed according to the terms of |
| 6 | * the GNU General Public License (GPL), incorporated herein by reference. |
| 7 | * Drivers based on or derived from this code fall under the GPL and must |
| 8 | * retain the authorship, copyright and license notice. This file is not |
| 9 | * a complete program and may only be used when the entire operating |
| 10 | * system is licensed under the GPL. |
| 11 | * See the file COPYING in this distribution for more information. |
| 12 | * |
| 13 | * Credits: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 14 | * Jeff Garzik : For pointing out the improper error condition |
| 15 | * check in the s2io_xmit routine and also some |
| 16 | * issues in the Tx watch dog function. Also for |
| 17 | * patiently answering all those innumerable |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 18 | * questions regaring the 2.6 porting issues. |
| 19 | * Stephen Hemminger : Providing proper 2.6 porting mechanism for some |
| 20 | * macros available only in 2.6 Kernel. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 21 | * Francois Romieu : For pointing out all code part that were |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 22 | * deprecated and also styling related comments. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 23 | * Grant Grundler : For helping me get rid of some Architecture |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 24 | * dependent code. |
| 25 | * Christopher Hellwig : Some more 2.6 specific issues in the driver. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 26 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 27 | * The module loadable parameters that are supported by the driver and a brief |
Joe Perches | a2a20ae | 2009-08-24 17:29:46 +0000 | [diff] [blame] | 28 | * explanation of all the variables. |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 29 | * |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 30 | * rx_ring_num : This can be used to program the number of receive rings used |
| 31 | * in the driver. |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 32 | * rx_ring_sz: This defines the number of receive blocks each ring can have. |
| 33 | * This is also an array of size 8. |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 34 | * rx_ring_mode: This defines the operation mode of all 8 rings. The valid |
Veena Parat | 6d517a2 | 2007-07-23 02:20:51 -0400 | [diff] [blame] | 35 | * values are 1, 2. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 36 | * tx_fifo_num: This defines the number of Tx FIFOs thats used int the driver. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 37 | * tx_fifo_len: This too is an array of 8. Each element defines the number of |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 38 | * Tx descriptors that can be associated with each corresponding FIFO. |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 39 | * intr_type: This defines the type of interrupt. The values can be 0(INTA), |
Sivakumar Subramani | 8abc4d5 | 2007-09-15 13:11:34 -0700 | [diff] [blame] | 40 | * 2(MSI_X). Default value is '2(MSI_X)' |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 41 | * lro_max_pkts: This parameter defines maximum number of packets can be |
| 42 | * aggregated as a single large packet |
Sivakumar Subramani | 926930b | 2007-02-24 01:59:39 -0500 | [diff] [blame] | 43 | * napi: This parameter used to enable/disable NAPI (polling Rx) |
| 44 | * Possible values '1' for enable and '0' for disable. Default is '1' |
| 45 | * ufo: This parameter used to enable/disable UDP Fragmentation Offload(UFO) |
| 46 | * Possible values '1' for enable and '0' for disable. Default is '0' |
| 47 | * vlan_tag_strip: This can be used to enable or disable vlan stripping. |
| 48 | * Possible values '1' for enable , '0' for disable. |
| 49 | * Default is '2' - which means disable in promisc mode |
| 50 | * and enable in non-promiscuous mode. |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 51 | * multiq: This parameter used to enable/disable MULTIQUEUE support. |
| 52 | * Possible values '1' for enable and '0' for disable. Default is '0' |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 53 | ************************************************************************/ |
| 54 | |
Joe Perches | 6cef2b8e | 2009-08-24 17:29:45 +0000 | [diff] [blame] | 55 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
| 56 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 57 | #include <linux/module.h> |
| 58 | #include <linux/types.h> |
| 59 | #include <linux/errno.h> |
| 60 | #include <linux/ioport.h> |
| 61 | #include <linux/pci.h> |
Domen Puncer | 1e7f0bd | 2005-06-26 18:22:14 -0400 | [diff] [blame] | 62 | #include <linux/dma-mapping.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 63 | #include <linux/kernel.h> |
| 64 | #include <linux/netdevice.h> |
| 65 | #include <linux/etherdevice.h> |
Ben Hutchings | 4023939 | 2009-04-29 08:13:29 +0000 | [diff] [blame] | 66 | #include <linux/mdio.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 67 | #include <linux/skbuff.h> |
| 68 | #include <linux/init.h> |
| 69 | #include <linux/delay.h> |
| 70 | #include <linux/stddef.h> |
| 71 | #include <linux/ioctl.h> |
| 72 | #include <linux/timex.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 73 | #include <linux/ethtool.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 74 | #include <linux/workqueue.h> |
raghavendra.koushik@neterion.com | be3a6b0 | 2005-08-03 12:35:55 -0700 | [diff] [blame] | 75 | #include <linux/if_vlan.h> |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 76 | #include <linux/ip.h> |
| 77 | #include <linux/tcp.h> |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 78 | #include <linux/uaccess.h> |
| 79 | #include <linux/io.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 80 | #include <linux/slab.h> |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 81 | #include <net/tcp.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 82 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 83 | #include <asm/system.h> |
Andrew Morton | fe93139 | 2006-02-03 01:45:12 -0800 | [diff] [blame] | 84 | #include <asm/div64.h> |
Andrew Morton | 330ce0d | 2006-08-14 23:00:14 -0700 | [diff] [blame] | 85 | #include <asm/irq.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 86 | |
| 87 | /* local include */ |
| 88 | #include "s2io.h" |
| 89 | #include "s2io-regs.h" |
| 90 | |
Jon Mason | 11410b6 | 2010-12-10 15:40:03 +0000 | [diff] [blame] | 91 | #define DRV_VERSION "2.0.26.28" |
John Linville | 6c1792f | 2005-10-04 07:51:45 -0400 | [diff] [blame] | 92 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 93 | /* S2io Driver name & version. */ |
Jon Mason | c0dbf37 | 2010-12-10 15:40:02 +0000 | [diff] [blame] | 94 | static const char s2io_driver_name[] = "Neterion"; |
| 95 | static const char s2io_driver_version[] = DRV_VERSION; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 96 | |
Jon Mason | c0dbf37 | 2010-12-10 15:40:02 +0000 | [diff] [blame] | 97 | static const int rxd_size[2] = {32, 48}; |
| 98 | static const int rxd_count[2] = {127, 85}; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 99 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 100 | static inline int RXD_IS_UP2DT(struct RxD_t *rxdp) |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 101 | { |
| 102 | int ret; |
| 103 | |
| 104 | ret = ((!(rxdp->Control_1 & RXD_OWN_XENA)) && |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 105 | (GET_RXD_MARKER(rxdp->Control_2) != THE_RXD_MARK)); |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 106 | |
| 107 | return ret; |
| 108 | } |
| 109 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 110 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 111 | * Cards with following subsystem_id have a link state indication |
| 112 | * problem, 600B, 600C, 600D, 640B, 640C and 640D. |
| 113 | * macro below identifies these cards given the subsystem_id. |
| 114 | */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 115 | #define CARDS_WITH_FAULTY_LINK_INDICATORS(dev_type, subid) \ |
| 116 | (dev_type == XFRAME_I_DEVICE) ? \ |
| 117 | ((((subid >= 0x600B) && (subid <= 0x600D)) || \ |
| 118 | ((subid >= 0x640B) && (subid <= 0x640D))) ? 1 : 0) : 0 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 119 | |
| 120 | #define LINK_IS_UP(val64) (!(val64 & (ADAPTER_STATUS_RMAC_REMOTE_FAULT | \ |
| 121 | ADAPTER_STATUS_RMAC_LOCAL_FAULT))) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 122 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 123 | static inline int is_s2io_card_up(const struct s2io_nic *sp) |
Sivakumar Subramani | 92b8443 | 2007-09-06 06:51:14 -0400 | [diff] [blame] | 124 | { |
| 125 | return test_bit(__S2IO_STATE_CARD_UP, &sp->state); |
| 126 | } |
| 127 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 128 | /* Ethtool related variables and Macros. */ |
Joe Perches | 6fce365 | 2009-08-24 17:29:40 +0000 | [diff] [blame] | 129 | static const char s2io_gstrings[][ETH_GSTRING_LEN] = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 130 | "Register test\t(offline)", |
| 131 | "Eeprom test\t(offline)", |
| 132 | "Link test\t(online)", |
| 133 | "RLDRAM test\t(offline)", |
| 134 | "BIST Test\t(offline)" |
| 135 | }; |
| 136 | |
Joe Perches | 6fce365 | 2009-08-24 17:29:40 +0000 | [diff] [blame] | 137 | static const char ethtool_xena_stats_keys[][ETH_GSTRING_LEN] = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 138 | {"tmac_frms"}, |
| 139 | {"tmac_data_octets"}, |
| 140 | {"tmac_drop_frms"}, |
| 141 | {"tmac_mcst_frms"}, |
| 142 | {"tmac_bcst_frms"}, |
| 143 | {"tmac_pause_ctrl_frms"}, |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 144 | {"tmac_ttl_octets"}, |
| 145 | {"tmac_ucst_frms"}, |
| 146 | {"tmac_nucst_frms"}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 147 | {"tmac_any_err_frms"}, |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 148 | {"tmac_ttl_less_fb_octets"}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 149 | {"tmac_vld_ip_octets"}, |
| 150 | {"tmac_vld_ip"}, |
| 151 | {"tmac_drop_ip"}, |
| 152 | {"tmac_icmp"}, |
| 153 | {"tmac_rst_tcp"}, |
| 154 | {"tmac_tcp"}, |
| 155 | {"tmac_udp"}, |
| 156 | {"rmac_vld_frms"}, |
| 157 | {"rmac_data_octets"}, |
| 158 | {"rmac_fcs_err_frms"}, |
| 159 | {"rmac_drop_frms"}, |
| 160 | {"rmac_vld_mcst_frms"}, |
| 161 | {"rmac_vld_bcst_frms"}, |
| 162 | {"rmac_in_rng_len_err_frms"}, |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 163 | {"rmac_out_rng_len_err_frms"}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 164 | {"rmac_long_frms"}, |
| 165 | {"rmac_pause_ctrl_frms"}, |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 166 | {"rmac_unsup_ctrl_frms"}, |
| 167 | {"rmac_ttl_octets"}, |
| 168 | {"rmac_accepted_ucst_frms"}, |
| 169 | {"rmac_accepted_nucst_frms"}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 170 | {"rmac_discarded_frms"}, |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 171 | {"rmac_drop_events"}, |
| 172 | {"rmac_ttl_less_fb_octets"}, |
| 173 | {"rmac_ttl_frms"}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 174 | {"rmac_usized_frms"}, |
| 175 | {"rmac_osized_frms"}, |
| 176 | {"rmac_frag_frms"}, |
| 177 | {"rmac_jabber_frms"}, |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 178 | {"rmac_ttl_64_frms"}, |
| 179 | {"rmac_ttl_65_127_frms"}, |
| 180 | {"rmac_ttl_128_255_frms"}, |
| 181 | {"rmac_ttl_256_511_frms"}, |
| 182 | {"rmac_ttl_512_1023_frms"}, |
| 183 | {"rmac_ttl_1024_1518_frms"}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 184 | {"rmac_ip"}, |
| 185 | {"rmac_ip_octets"}, |
| 186 | {"rmac_hdr_err_ip"}, |
| 187 | {"rmac_drop_ip"}, |
| 188 | {"rmac_icmp"}, |
| 189 | {"rmac_tcp"}, |
| 190 | {"rmac_udp"}, |
| 191 | {"rmac_err_drp_udp"}, |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 192 | {"rmac_xgmii_err_sym"}, |
| 193 | {"rmac_frms_q0"}, |
| 194 | {"rmac_frms_q1"}, |
| 195 | {"rmac_frms_q2"}, |
| 196 | {"rmac_frms_q3"}, |
| 197 | {"rmac_frms_q4"}, |
| 198 | {"rmac_frms_q5"}, |
| 199 | {"rmac_frms_q6"}, |
| 200 | {"rmac_frms_q7"}, |
| 201 | {"rmac_full_q0"}, |
| 202 | {"rmac_full_q1"}, |
| 203 | {"rmac_full_q2"}, |
| 204 | {"rmac_full_q3"}, |
| 205 | {"rmac_full_q4"}, |
| 206 | {"rmac_full_q5"}, |
| 207 | {"rmac_full_q6"}, |
| 208 | {"rmac_full_q7"}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 209 | {"rmac_pause_cnt"}, |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 210 | {"rmac_xgmii_data_err_cnt"}, |
| 211 | {"rmac_xgmii_ctrl_err_cnt"}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 212 | {"rmac_accepted_ip"}, |
| 213 | {"rmac_err_tcp"}, |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 214 | {"rd_req_cnt"}, |
| 215 | {"new_rd_req_cnt"}, |
| 216 | {"new_rd_req_rtry_cnt"}, |
| 217 | {"rd_rtry_cnt"}, |
| 218 | {"wr_rtry_rd_ack_cnt"}, |
| 219 | {"wr_req_cnt"}, |
| 220 | {"new_wr_req_cnt"}, |
| 221 | {"new_wr_req_rtry_cnt"}, |
| 222 | {"wr_rtry_cnt"}, |
| 223 | {"wr_disc_cnt"}, |
| 224 | {"rd_rtry_wr_ack_cnt"}, |
| 225 | {"txp_wr_cnt"}, |
| 226 | {"txd_rd_cnt"}, |
| 227 | {"txd_wr_cnt"}, |
| 228 | {"rxd_rd_cnt"}, |
| 229 | {"rxd_wr_cnt"}, |
| 230 | {"txf_rd_cnt"}, |
Sivakumar Subramani | fa1f0cb | 2007-02-24 02:03:22 -0500 | [diff] [blame] | 231 | {"rxf_wr_cnt"} |
| 232 | }; |
| 233 | |
Joe Perches | 6fce365 | 2009-08-24 17:29:40 +0000 | [diff] [blame] | 234 | static const char ethtool_enhanced_stats_keys[][ETH_GSTRING_LEN] = { |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 235 | {"rmac_ttl_1519_4095_frms"}, |
| 236 | {"rmac_ttl_4096_8191_frms"}, |
| 237 | {"rmac_ttl_8192_max_frms"}, |
| 238 | {"rmac_ttl_gt_max_frms"}, |
| 239 | {"rmac_osized_alt_frms"}, |
| 240 | {"rmac_jabber_alt_frms"}, |
| 241 | {"rmac_gt_max_alt_frms"}, |
| 242 | {"rmac_vlan_frms"}, |
| 243 | {"rmac_len_discard"}, |
| 244 | {"rmac_fcs_discard"}, |
| 245 | {"rmac_pf_discard"}, |
| 246 | {"rmac_da_discard"}, |
| 247 | {"rmac_red_discard"}, |
| 248 | {"rmac_rts_discard"}, |
| 249 | {"rmac_ingm_full_discard"}, |
Sivakumar Subramani | fa1f0cb | 2007-02-24 02:03:22 -0500 | [diff] [blame] | 250 | {"link_fault_cnt"} |
| 251 | }; |
| 252 | |
Joe Perches | 6fce365 | 2009-08-24 17:29:40 +0000 | [diff] [blame] | 253 | static const char ethtool_driver_stats_keys[][ETH_GSTRING_LEN] = { |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 254 | {"\n DRIVER STATISTICS"}, |
| 255 | {"single_bit_ecc_errs"}, |
| 256 | {"double_bit_ecc_errs"}, |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 257 | {"parity_err_cnt"}, |
| 258 | {"serious_err_cnt"}, |
| 259 | {"soft_reset_cnt"}, |
| 260 | {"fifo_full_cnt"}, |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 261 | {"ring_0_full_cnt"}, |
| 262 | {"ring_1_full_cnt"}, |
| 263 | {"ring_2_full_cnt"}, |
| 264 | {"ring_3_full_cnt"}, |
| 265 | {"ring_4_full_cnt"}, |
| 266 | {"ring_5_full_cnt"}, |
| 267 | {"ring_6_full_cnt"}, |
| 268 | {"ring_7_full_cnt"}, |
Stephen Hemminger | 43b7c45 | 2007-10-05 12:39:21 -0700 | [diff] [blame] | 269 | {"alarm_transceiver_temp_high"}, |
| 270 | {"alarm_transceiver_temp_low"}, |
| 271 | {"alarm_laser_bias_current_high"}, |
| 272 | {"alarm_laser_bias_current_low"}, |
| 273 | {"alarm_laser_output_power_high"}, |
| 274 | {"alarm_laser_output_power_low"}, |
| 275 | {"warn_transceiver_temp_high"}, |
| 276 | {"warn_transceiver_temp_low"}, |
| 277 | {"warn_laser_bias_current_high"}, |
| 278 | {"warn_laser_bias_current_low"}, |
| 279 | {"warn_laser_output_power_high"}, |
| 280 | {"warn_laser_output_power_low"}, |
| 281 | {"lro_aggregated_pkts"}, |
| 282 | {"lro_flush_both_count"}, |
| 283 | {"lro_out_of_sequence_pkts"}, |
| 284 | {"lro_flush_due_to_max_pkts"}, |
| 285 | {"lro_avg_aggr_pkts"}, |
| 286 | {"mem_alloc_fail_cnt"}, |
| 287 | {"pci_map_fail_cnt"}, |
| 288 | {"watchdog_timer_cnt"}, |
| 289 | {"mem_allocated"}, |
| 290 | {"mem_freed"}, |
| 291 | {"link_up_cnt"}, |
| 292 | {"link_down_cnt"}, |
| 293 | {"link_up_time"}, |
| 294 | {"link_down_time"}, |
| 295 | {"tx_tcode_buf_abort_cnt"}, |
| 296 | {"tx_tcode_desc_abort_cnt"}, |
| 297 | {"tx_tcode_parity_err_cnt"}, |
| 298 | {"tx_tcode_link_loss_cnt"}, |
| 299 | {"tx_tcode_list_proc_err_cnt"}, |
| 300 | {"rx_tcode_parity_err_cnt"}, |
| 301 | {"rx_tcode_abort_cnt"}, |
| 302 | {"rx_tcode_parity_abort_cnt"}, |
| 303 | {"rx_tcode_rda_fail_cnt"}, |
| 304 | {"rx_tcode_unkn_prot_cnt"}, |
| 305 | {"rx_tcode_fcs_err_cnt"}, |
| 306 | {"rx_tcode_buf_size_err_cnt"}, |
| 307 | {"rx_tcode_rxd_corrupt_cnt"}, |
| 308 | {"rx_tcode_unkn_err_cnt"}, |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 309 | {"tda_err_cnt"}, |
| 310 | {"pfc_err_cnt"}, |
| 311 | {"pcc_err_cnt"}, |
| 312 | {"tti_err_cnt"}, |
| 313 | {"tpa_err_cnt"}, |
| 314 | {"sm_err_cnt"}, |
| 315 | {"lso_err_cnt"}, |
| 316 | {"mac_tmac_err_cnt"}, |
| 317 | {"mac_rmac_err_cnt"}, |
| 318 | {"xgxs_txgxs_err_cnt"}, |
| 319 | {"xgxs_rxgxs_err_cnt"}, |
| 320 | {"rc_err_cnt"}, |
| 321 | {"prc_pcix_err_cnt"}, |
| 322 | {"rpa_err_cnt"}, |
| 323 | {"rda_err_cnt"}, |
| 324 | {"rti_err_cnt"}, |
| 325 | {"mc_err_cnt"} |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 326 | }; |
| 327 | |
Alejandro Martinez Ruiz | 4c3616c | 2007-10-18 10:00:15 +0200 | [diff] [blame] | 328 | #define S2IO_XENA_STAT_LEN ARRAY_SIZE(ethtool_xena_stats_keys) |
| 329 | #define S2IO_ENHANCED_STAT_LEN ARRAY_SIZE(ethtool_enhanced_stats_keys) |
| 330 | #define S2IO_DRIVER_STAT_LEN ARRAY_SIZE(ethtool_driver_stats_keys) |
Sivakumar Subramani | fa1f0cb | 2007-02-24 02:03:22 -0500 | [diff] [blame] | 331 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 332 | #define XFRAME_I_STAT_LEN (S2IO_XENA_STAT_LEN + S2IO_DRIVER_STAT_LEN) |
| 333 | #define XFRAME_II_STAT_LEN (XFRAME_I_STAT_LEN + S2IO_ENHANCED_STAT_LEN) |
Sivakumar Subramani | fa1f0cb | 2007-02-24 02:03:22 -0500 | [diff] [blame] | 334 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 335 | #define XFRAME_I_STAT_STRINGS_LEN (XFRAME_I_STAT_LEN * ETH_GSTRING_LEN) |
| 336 | #define XFRAME_II_STAT_STRINGS_LEN (XFRAME_II_STAT_LEN * ETH_GSTRING_LEN) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 337 | |
Alejandro Martinez Ruiz | 4c3616c | 2007-10-18 10:00:15 +0200 | [diff] [blame] | 338 | #define S2IO_TEST_LEN ARRAY_SIZE(s2io_gstrings) |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 339 | #define S2IO_STRINGS_LEN (S2IO_TEST_LEN * ETH_GSTRING_LEN) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 340 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 341 | #define S2IO_TIMER_CONF(timer, handle, arg, exp) \ |
| 342 | init_timer(&timer); \ |
| 343 | timer.function = handle; \ |
| 344 | timer.data = (unsigned long)arg; \ |
| 345 | mod_timer(&timer, (jiffies + exp)) \ |
raghavendra.koushik@neterion.com | 25fff88 | 2005-08-03 12:34:11 -0700 | [diff] [blame] | 346 | |
Sivakumar Subramani | 2fd3768 | 2007-09-14 07:39:19 -0400 | [diff] [blame] | 347 | /* copy mac addr to def_mac_addr array */ |
| 348 | static void do_s2io_copy_mac_addr(struct s2io_nic *sp, int offset, u64 mac_addr) |
| 349 | { |
| 350 | sp->def_mac_addr[offset].mac_addr[5] = (u8) (mac_addr); |
| 351 | sp->def_mac_addr[offset].mac_addr[4] = (u8) (mac_addr >> 8); |
| 352 | sp->def_mac_addr[offset].mac_addr[3] = (u8) (mac_addr >> 16); |
| 353 | sp->def_mac_addr[offset].mac_addr[2] = (u8) (mac_addr >> 24); |
| 354 | sp->def_mac_addr[offset].mac_addr[1] = (u8) (mac_addr >> 32); |
| 355 | sp->def_mac_addr[offset].mac_addr[0] = (u8) (mac_addr >> 40); |
| 356 | } |
Stephen Hemminger | 0402509 | 2008-11-21 17:28:55 -0800 | [diff] [blame] | 357 | |
raghavendra.koushik@neterion.com | be3a6b0 | 2005-08-03 12:35:55 -0700 | [diff] [blame] | 358 | /* Add the vlan */ |
| 359 | static void s2io_vlan_rx_register(struct net_device *dev, |
Stephen Hemminger | 0402509 | 2008-11-21 17:28:55 -0800 | [diff] [blame] | 360 | struct vlan_group *grp) |
raghavendra.koushik@neterion.com | be3a6b0 | 2005-08-03 12:35:55 -0700 | [diff] [blame] | 361 | { |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 362 | int i; |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 363 | struct s2io_nic *nic = netdev_priv(dev); |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 364 | unsigned long flags[MAX_TX_FIFOS]; |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 365 | struct config_param *config = &nic->config; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 366 | struct mac_info *mac_control = &nic->mac_control; |
raghavendra.koushik@neterion.com | be3a6b0 | 2005-08-03 12:35:55 -0700 | [diff] [blame] | 367 | |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 368 | for (i = 0; i < config->tx_fifo_num; i++) { |
| 369 | struct fifo_info *fifo = &mac_control->fifos[i]; |
| 370 | |
| 371 | spin_lock_irqsave(&fifo->tx_lock, flags[i]); |
| 372 | } |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 373 | |
raghavendra.koushik@neterion.com | be3a6b0 | 2005-08-03 12:35:55 -0700 | [diff] [blame] | 374 | nic->vlgrp = grp; |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 375 | |
| 376 | for (i = config->tx_fifo_num - 1; i >= 0; i--) { |
| 377 | struct fifo_info *fifo = &mac_control->fifos[i]; |
| 378 | |
| 379 | spin_unlock_irqrestore(&fifo->tx_lock, flags[i]); |
| 380 | } |
raghavendra.koushik@neterion.com | be3a6b0 | 2005-08-03 12:35:55 -0700 | [diff] [blame] | 381 | } |
| 382 | |
Sreenivasa Honnur | cdb5bf0 | 2008-02-20 17:09:15 -0500 | [diff] [blame] | 383 | /* Unregister the vlan */ |
Stephen Hemminger | 0402509 | 2008-11-21 17:28:55 -0800 | [diff] [blame] | 384 | static void s2io_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid) |
Sreenivasa Honnur | cdb5bf0 | 2008-02-20 17:09:15 -0500 | [diff] [blame] | 385 | { |
| 386 | int i; |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 387 | struct s2io_nic *nic = netdev_priv(dev); |
Sreenivasa Honnur | cdb5bf0 | 2008-02-20 17:09:15 -0500 | [diff] [blame] | 388 | unsigned long flags[MAX_TX_FIFOS]; |
Sreenivasa Honnur | cdb5bf0 | 2008-02-20 17:09:15 -0500 | [diff] [blame] | 389 | struct config_param *config = &nic->config; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 390 | struct mac_info *mac_control = &nic->mac_control; |
Sreenivasa Honnur | cdb5bf0 | 2008-02-20 17:09:15 -0500 | [diff] [blame] | 391 | |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 392 | for (i = 0; i < config->tx_fifo_num; i++) { |
| 393 | struct fifo_info *fifo = &mac_control->fifos[i]; |
| 394 | |
| 395 | spin_lock_irqsave(&fifo->tx_lock, flags[i]); |
| 396 | } |
Sreenivasa Honnur | cdb5bf0 | 2008-02-20 17:09:15 -0500 | [diff] [blame] | 397 | |
| 398 | if (nic->vlgrp) |
| 399 | vlan_group_set_device(nic->vlgrp, vid, NULL); |
| 400 | |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 401 | for (i = config->tx_fifo_num - 1; i >= 0; i--) { |
| 402 | struct fifo_info *fifo = &mac_control->fifos[i]; |
| 403 | |
| 404 | spin_unlock_irqrestore(&fifo->tx_lock, flags[i]); |
| 405 | } |
Sreenivasa Honnur | cdb5bf0 | 2008-02-20 17:09:15 -0500 | [diff] [blame] | 406 | } |
| 407 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 408 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 409 | * Constants to be programmed into the Xena's registers, to configure |
| 410 | * the XAUI. |
| 411 | */ |
| 412 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 413 | #define END_SIGN 0x0 |
Arjan van de Ven | f71e130 | 2006-03-03 21:33:57 -0500 | [diff] [blame] | 414 | static const u64 herc_act_dtx_cfg[] = { |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 415 | /* Set address */ |
ravinandan.arakali@neterion.com | e960fc5 | 2005-08-12 10:15:59 -0700 | [diff] [blame] | 416 | 0x8000051536750000ULL, 0x80000515367500E0ULL, |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 417 | /* Write data */ |
ravinandan.arakali@neterion.com | e960fc5 | 2005-08-12 10:15:59 -0700 | [diff] [blame] | 418 | 0x8000051536750004ULL, 0x80000515367500E4ULL, |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 419 | /* Set address */ |
| 420 | 0x80010515003F0000ULL, 0x80010515003F00E0ULL, |
| 421 | /* Write data */ |
| 422 | 0x80010515003F0004ULL, 0x80010515003F00E4ULL, |
| 423 | /* Set address */ |
ravinandan.arakali@neterion.com | e960fc5 | 2005-08-12 10:15:59 -0700 | [diff] [blame] | 424 | 0x801205150D440000ULL, 0x801205150D4400E0ULL, |
| 425 | /* Write data */ |
| 426 | 0x801205150D440004ULL, 0x801205150D4400E4ULL, |
| 427 | /* Set address */ |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 428 | 0x80020515F2100000ULL, 0x80020515F21000E0ULL, |
| 429 | /* Write data */ |
| 430 | 0x80020515F2100004ULL, 0x80020515F21000E4ULL, |
| 431 | /* Done */ |
| 432 | END_SIGN |
| 433 | }; |
| 434 | |
Arjan van de Ven | f71e130 | 2006-03-03 21:33:57 -0500 | [diff] [blame] | 435 | static const u64 xena_dtx_cfg[] = { |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 436 | /* Set address */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 437 | 0x8000051500000000ULL, 0x80000515000000E0ULL, |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 438 | /* Write data */ |
| 439 | 0x80000515D9350004ULL, 0x80000515D93500E4ULL, |
| 440 | /* Set address */ |
| 441 | 0x8001051500000000ULL, 0x80010515000000E0ULL, |
| 442 | /* Write data */ |
| 443 | 0x80010515001E0004ULL, 0x80010515001E00E4ULL, |
| 444 | /* Set address */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 445 | 0x8002051500000000ULL, 0x80020515000000E0ULL, |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 446 | /* Write data */ |
| 447 | 0x80020515F2100004ULL, 0x80020515F21000E4ULL, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 448 | END_SIGN |
| 449 | }; |
| 450 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 451 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 452 | * Constants for Fixing the MacAddress problem seen mostly on |
| 453 | * Alpha machines. |
| 454 | */ |
Arjan van de Ven | f71e130 | 2006-03-03 21:33:57 -0500 | [diff] [blame] | 455 | static const u64 fix_mac[] = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 456 | 0x0060000000000000ULL, 0x0060600000000000ULL, |
| 457 | 0x0040600000000000ULL, 0x0000600000000000ULL, |
| 458 | 0x0020600000000000ULL, 0x0060600000000000ULL, |
| 459 | 0x0020600000000000ULL, 0x0060600000000000ULL, |
| 460 | 0x0020600000000000ULL, 0x0060600000000000ULL, |
| 461 | 0x0020600000000000ULL, 0x0060600000000000ULL, |
| 462 | 0x0020600000000000ULL, 0x0060600000000000ULL, |
| 463 | 0x0020600000000000ULL, 0x0060600000000000ULL, |
| 464 | 0x0020600000000000ULL, 0x0060600000000000ULL, |
| 465 | 0x0020600000000000ULL, 0x0060600000000000ULL, |
| 466 | 0x0020600000000000ULL, 0x0060600000000000ULL, |
| 467 | 0x0020600000000000ULL, 0x0060600000000000ULL, |
| 468 | 0x0020600000000000ULL, 0x0000600000000000ULL, |
| 469 | 0x0040600000000000ULL, 0x0060600000000000ULL, |
| 470 | END_SIGN |
| 471 | }; |
| 472 | |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 473 | MODULE_LICENSE("GPL"); |
| 474 | MODULE_VERSION(DRV_VERSION); |
| 475 | |
| 476 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 477 | /* Module Loadable parameters. */ |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 478 | S2IO_PARM_INT(tx_fifo_num, FIFO_DEFAULT_NUM); |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 479 | S2IO_PARM_INT(rx_ring_num, 1); |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 480 | S2IO_PARM_INT(multiq, 0); |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 481 | S2IO_PARM_INT(rx_ring_mode, 1); |
| 482 | S2IO_PARM_INT(use_continuous_tx_intrs, 1); |
| 483 | S2IO_PARM_INT(rmac_pause_time, 0x100); |
| 484 | S2IO_PARM_INT(mc_pause_threshold_q0q3, 187); |
| 485 | S2IO_PARM_INT(mc_pause_threshold_q4q7, 187); |
| 486 | S2IO_PARM_INT(shared_splits, 0); |
| 487 | S2IO_PARM_INT(tmac_util_period, 5); |
| 488 | S2IO_PARM_INT(rmac_util_period, 5); |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 489 | S2IO_PARM_INT(l3l4hdr_size, 128); |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 490 | /* 0 is no steering, 1 is Priority steering, 2 is Default steering */ |
| 491 | S2IO_PARM_INT(tx_steering_type, TX_DEFAULT_STEERING); |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 492 | /* Frequency of Rx desc syncs expressed as power of 2 */ |
| 493 | S2IO_PARM_INT(rxsync_frequency, 3); |
Veena Parat | eccb862 | 2007-07-23 02:23:54 -0400 | [diff] [blame] | 494 | /* Interrupt type. Values can be 0(INTA), 2(MSI_X) */ |
Sivakumar Subramani | 8abc4d5 | 2007-09-15 13:11:34 -0700 | [diff] [blame] | 495 | S2IO_PARM_INT(intr_type, 2); |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 496 | /* Large receive offload feature */ |
Stephen Hemminger | 43b7c45 | 2007-10-05 12:39:21 -0700 | [diff] [blame] | 497 | |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 498 | /* Max pkts to be aggregated by LRO at one time. If not specified, |
| 499 | * aggregation happens until we hit max IP pkt size(64K) |
| 500 | */ |
| 501 | S2IO_PARM_INT(lro_max_pkts, 0xFFFF); |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 502 | S2IO_PARM_INT(indicate_max_pkts, 0); |
Sivakumar Subramani | db874e6 | 2007-01-31 13:28:08 -0500 | [diff] [blame] | 503 | |
| 504 | S2IO_PARM_INT(napi, 1); |
| 505 | S2IO_PARM_INT(ufo, 0); |
Sivakumar Subramani | 926930b | 2007-02-24 01:59:39 -0500 | [diff] [blame] | 506 | S2IO_PARM_INT(vlan_tag_strip, NO_STRIP_IN_PROMISC); |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 507 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 508 | static unsigned int tx_fifo_len[MAX_TX_FIFOS] = |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 509 | {DEFAULT_FIFO_0_LEN, [1 ...(MAX_TX_FIFOS - 1)] = DEFAULT_FIFO_1_7_LEN}; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 510 | static unsigned int rx_ring_sz[MAX_RX_RINGS] = |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 511 | {[0 ...(MAX_RX_RINGS - 1)] = SMALL_BLK_CNT}; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 512 | static unsigned int rts_frm_len[MAX_RX_RINGS] = |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 513 | {[0 ...(MAX_RX_RINGS - 1)] = 0 }; |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 514 | |
| 515 | module_param_array(tx_fifo_len, uint, NULL, 0); |
| 516 | module_param_array(rx_ring_sz, uint, NULL, 0); |
| 517 | module_param_array(rts_frm_len, uint, NULL, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 518 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 519 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 520 | * S2IO device table. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 521 | * This table lists all the devices that this driver supports. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 522 | */ |
Alexey Dobriyan | a3aa188 | 2010-01-07 11:58:11 +0000 | [diff] [blame] | 523 | static DEFINE_PCI_DEVICE_TABLE(s2io_tbl) = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 524 | {PCI_VENDOR_ID_S2IO, PCI_DEVICE_ID_S2IO_WIN, |
| 525 | PCI_ANY_ID, PCI_ANY_ID}, |
| 526 | {PCI_VENDOR_ID_S2IO, PCI_DEVICE_ID_S2IO_UNI, |
| 527 | PCI_ANY_ID, PCI_ANY_ID}, |
| 528 | {PCI_VENDOR_ID_S2IO, PCI_DEVICE_ID_HERC_WIN, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 529 | PCI_ANY_ID, PCI_ANY_ID}, |
| 530 | {PCI_VENDOR_ID_S2IO, PCI_DEVICE_ID_HERC_UNI, |
| 531 | PCI_ANY_ID, PCI_ANY_ID}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 532 | {0,} |
| 533 | }; |
| 534 | |
| 535 | MODULE_DEVICE_TABLE(pci, s2io_tbl); |
| 536 | |
Linas Vepstas | d796fdb | 2007-05-14 18:37:30 -0500 | [diff] [blame] | 537 | static struct pci_error_handlers s2io_err_handler = { |
| 538 | .error_detected = s2io_io_error_detected, |
| 539 | .slot_reset = s2io_io_slot_reset, |
| 540 | .resume = s2io_io_resume, |
| 541 | }; |
| 542 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 543 | static struct pci_driver s2io_driver = { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 544 | .name = "S2IO", |
| 545 | .id_table = s2io_tbl, |
| 546 | .probe = s2io_init_nic, |
| 547 | .remove = __devexit_p(s2io_rem_nic), |
| 548 | .err_handler = &s2io_err_handler, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 549 | }; |
| 550 | |
| 551 | /* A simplifier macro used both by init and free shared_mem Fns(). */ |
| 552 | #define TXD_MEM_PAGE_CNT(len, per_each) ((len+per_each - 1) / per_each) |
| 553 | |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 554 | /* netqueue manipulation helper functions */ |
| 555 | static inline void s2io_stop_all_tx_queue(struct s2io_nic *sp) |
| 556 | { |
David S. Miller | fd2ea0a | 2008-07-17 01:56:23 -0700 | [diff] [blame] | 557 | if (!sp->config.multiq) { |
| 558 | int i; |
| 559 | |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 560 | for (i = 0; i < sp->config.tx_fifo_num; i++) |
| 561 | sp->mac_control.fifos[i].queue_state = FIFO_QUEUE_STOP; |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 562 | } |
David S. Miller | fd2ea0a | 2008-07-17 01:56:23 -0700 | [diff] [blame] | 563 | netif_tx_stop_all_queues(sp->dev); |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 564 | } |
| 565 | |
| 566 | static inline void s2io_stop_tx_queue(struct s2io_nic *sp, int fifo_no) |
| 567 | { |
David S. Miller | fd2ea0a | 2008-07-17 01:56:23 -0700 | [diff] [blame] | 568 | if (!sp->config.multiq) |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 569 | sp->mac_control.fifos[fifo_no].queue_state = |
| 570 | FIFO_QUEUE_STOP; |
David S. Miller | fd2ea0a | 2008-07-17 01:56:23 -0700 | [diff] [blame] | 571 | |
| 572 | netif_tx_stop_all_queues(sp->dev); |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 573 | } |
| 574 | |
| 575 | static inline void s2io_start_all_tx_queue(struct s2io_nic *sp) |
| 576 | { |
David S. Miller | fd2ea0a | 2008-07-17 01:56:23 -0700 | [diff] [blame] | 577 | if (!sp->config.multiq) { |
| 578 | int i; |
| 579 | |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 580 | for (i = 0; i < sp->config.tx_fifo_num; i++) |
| 581 | sp->mac_control.fifos[i].queue_state = FIFO_QUEUE_START; |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 582 | } |
David S. Miller | fd2ea0a | 2008-07-17 01:56:23 -0700 | [diff] [blame] | 583 | netif_tx_start_all_queues(sp->dev); |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 584 | } |
| 585 | |
| 586 | static inline void s2io_start_tx_queue(struct s2io_nic *sp, int fifo_no) |
| 587 | { |
David S. Miller | fd2ea0a | 2008-07-17 01:56:23 -0700 | [diff] [blame] | 588 | if (!sp->config.multiq) |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 589 | sp->mac_control.fifos[fifo_no].queue_state = |
| 590 | FIFO_QUEUE_START; |
David S. Miller | fd2ea0a | 2008-07-17 01:56:23 -0700 | [diff] [blame] | 591 | |
| 592 | netif_tx_start_all_queues(sp->dev); |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 593 | } |
| 594 | |
| 595 | static inline void s2io_wake_all_tx_queue(struct s2io_nic *sp) |
| 596 | { |
David S. Miller | fd2ea0a | 2008-07-17 01:56:23 -0700 | [diff] [blame] | 597 | if (!sp->config.multiq) { |
| 598 | int i; |
| 599 | |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 600 | for (i = 0; i < sp->config.tx_fifo_num; i++) |
| 601 | sp->mac_control.fifos[i].queue_state = FIFO_QUEUE_START; |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 602 | } |
David S. Miller | fd2ea0a | 2008-07-17 01:56:23 -0700 | [diff] [blame] | 603 | netif_tx_wake_all_queues(sp->dev); |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 604 | } |
| 605 | |
| 606 | static inline void s2io_wake_tx_queue( |
| 607 | struct fifo_info *fifo, int cnt, u8 multiq) |
| 608 | { |
| 609 | |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 610 | if (multiq) { |
| 611 | if (cnt && __netif_subqueue_stopped(fifo->dev, fifo->fifo_no)) |
| 612 | netif_wake_subqueue(fifo->dev, fifo->fifo_no); |
David S. Miller | b19fa1f | 2008-07-08 23:14:24 -0700 | [diff] [blame] | 613 | } else if (cnt && (fifo->queue_state == FIFO_QUEUE_STOP)) { |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 614 | if (netif_queue_stopped(fifo->dev)) { |
| 615 | fifo->queue_state = FIFO_QUEUE_START; |
| 616 | netif_wake_queue(fifo->dev); |
| 617 | } |
| 618 | } |
| 619 | } |
| 620 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 621 | /** |
| 622 | * init_shared_mem - Allocation and Initialization of Memory |
| 623 | * @nic: Device private variable. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 624 | * Description: The function allocates all the memory areas shared |
| 625 | * between the NIC and the driver. This includes Tx descriptors, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 626 | * Rx descriptors and the statistics block. |
| 627 | */ |
| 628 | |
| 629 | static int init_shared_mem(struct s2io_nic *nic) |
| 630 | { |
| 631 | u32 size; |
| 632 | void *tmp_v_addr, *tmp_v_addr_next; |
| 633 | dma_addr_t tmp_p_addr, tmp_p_addr_next; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 634 | struct RxD_block *pre_rxd_blk = NULL; |
Sivakumar Subramani | 372cc59 | 2007-01-31 13:32:57 -0500 | [diff] [blame] | 635 | int i, j, blk_cnt; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 636 | int lst_size, lst_per_page; |
| 637 | struct net_device *dev = nic->dev; |
viro@zenIV.linux.org.uk | 8ae418c | 2005-09-02 20:15:29 +0100 | [diff] [blame] | 638 | unsigned long tmp; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 639 | struct buffAdd *ba; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 640 | struct config_param *config = &nic->config; |
| 641 | struct mac_info *mac_control = &nic->mac_control; |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 642 | unsigned long long mem_allocated = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 643 | |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 644 | /* Allocation and initialization of TXDLs in FIFOs */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 645 | size = 0; |
| 646 | for (i = 0; i < config->tx_fifo_num; i++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 647 | struct tx_fifo_config *tx_cfg = &config->tx_cfg[i]; |
| 648 | |
| 649 | size += tx_cfg->fifo_len; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 650 | } |
| 651 | if (size > MAX_AVAILABLE_TXDS) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 652 | DBG_PRINT(ERR_DBG, |
| 653 | "Too many TxDs requested: %d, max supported: %d\n", |
| 654 | size, MAX_AVAILABLE_TXDS); |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 655 | return -EINVAL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 656 | } |
| 657 | |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 658 | size = 0; |
| 659 | for (i = 0; i < config->tx_fifo_num; i++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 660 | struct tx_fifo_config *tx_cfg = &config->tx_cfg[i]; |
| 661 | |
| 662 | size = tx_cfg->fifo_len; |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 663 | /* |
| 664 | * Legal values are from 2 to 8192 |
| 665 | */ |
| 666 | if (size < 2) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 667 | DBG_PRINT(ERR_DBG, "Fifo %d: Invalid length (%d) - " |
| 668 | "Valid lengths are 2 through 8192\n", |
| 669 | i, size); |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 670 | return -EINVAL; |
| 671 | } |
| 672 | } |
| 673 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 674 | lst_size = (sizeof(struct TxD) * config->max_txds); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 675 | lst_per_page = PAGE_SIZE / lst_size; |
| 676 | |
| 677 | for (i = 0; i < config->tx_fifo_num; i++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 678 | struct fifo_info *fifo = &mac_control->fifos[i]; |
| 679 | struct tx_fifo_config *tx_cfg = &config->tx_cfg[i]; |
| 680 | int fifo_len = tx_cfg->fifo_len; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 681 | int list_holder_size = fifo_len * sizeof(struct list_info_hold); |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 682 | |
| 683 | fifo->list_info = kzalloc(list_holder_size, GFP_KERNEL); |
| 684 | if (!fifo->list_info) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 685 | DBG_PRINT(INFO_DBG, "Malloc failed for list_info\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 686 | return -ENOMEM; |
| 687 | } |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 688 | mem_allocated += list_holder_size; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 689 | } |
| 690 | for (i = 0; i < config->tx_fifo_num; i++) { |
| 691 | int page_num = TXD_MEM_PAGE_CNT(config->tx_cfg[i].fifo_len, |
| 692 | lst_per_page); |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 693 | struct fifo_info *fifo = &mac_control->fifos[i]; |
| 694 | struct tx_fifo_config *tx_cfg = &config->tx_cfg[i]; |
| 695 | |
| 696 | fifo->tx_curr_put_info.offset = 0; |
| 697 | fifo->tx_curr_put_info.fifo_len = tx_cfg->fifo_len - 1; |
| 698 | fifo->tx_curr_get_info.offset = 0; |
| 699 | fifo->tx_curr_get_info.fifo_len = tx_cfg->fifo_len - 1; |
| 700 | fifo->fifo_no = i; |
| 701 | fifo->nic = nic; |
| 702 | fifo->max_txds = MAX_SKB_FRAGS + 2; |
| 703 | fifo->dev = dev; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 704 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 705 | for (j = 0; j < page_num; j++) { |
| 706 | int k = 0; |
| 707 | dma_addr_t tmp_p; |
| 708 | void *tmp_v; |
| 709 | tmp_v = pci_alloc_consistent(nic->pdev, |
| 710 | PAGE_SIZE, &tmp_p); |
| 711 | if (!tmp_v) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 712 | DBG_PRINT(INFO_DBG, |
| 713 | "pci_alloc_consistent failed for TxDL\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 714 | return -ENOMEM; |
| 715 | } |
ravinandan.arakali@neterion.com | 776bd20 | 2005-09-06 21:36:56 -0700 | [diff] [blame] | 716 | /* If we got a zero DMA address(can happen on |
| 717 | * certain platforms like PPC), reallocate. |
| 718 | * Store virtual address of page we don't want, |
| 719 | * to be freed later. |
| 720 | */ |
| 721 | if (!tmp_p) { |
| 722 | mac_control->zerodma_virt_addr = tmp_v; |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 723 | DBG_PRINT(INIT_DBG, |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 724 | "%s: Zero DMA address for TxDL. " |
| 725 | "Virtual address %p\n", |
| 726 | dev->name, tmp_v); |
ravinandan.arakali@neterion.com | 776bd20 | 2005-09-06 21:36:56 -0700 | [diff] [blame] | 727 | tmp_v = pci_alloc_consistent(nic->pdev, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 728 | PAGE_SIZE, &tmp_p); |
ravinandan.arakali@neterion.com | 776bd20 | 2005-09-06 21:36:56 -0700 | [diff] [blame] | 729 | if (!tmp_v) { |
Ramkrishna Vepa | 0c61ed5 | 2007-03-09 18:28:32 -0800 | [diff] [blame] | 730 | DBG_PRINT(INFO_DBG, |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 731 | "pci_alloc_consistent failed for TxDL\n"); |
ravinandan.arakali@neterion.com | 776bd20 | 2005-09-06 21:36:56 -0700 | [diff] [blame] | 732 | return -ENOMEM; |
| 733 | } |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 734 | mem_allocated += PAGE_SIZE; |
ravinandan.arakali@neterion.com | 776bd20 | 2005-09-06 21:36:56 -0700 | [diff] [blame] | 735 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 736 | while (k < lst_per_page) { |
| 737 | int l = (j * lst_per_page) + k; |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 738 | if (l == tx_cfg->fifo_len) |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 739 | break; |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 740 | fifo->list_info[l].list_virt_addr = |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 741 | tmp_v + (k * lst_size); |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 742 | fifo->list_info[l].list_phy_addr = |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 743 | tmp_p + (k * lst_size); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 744 | k++; |
| 745 | } |
| 746 | } |
| 747 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 748 | |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 749 | for (i = 0; i < config->tx_fifo_num; i++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 750 | struct fifo_info *fifo = &mac_control->fifos[i]; |
| 751 | struct tx_fifo_config *tx_cfg = &config->tx_cfg[i]; |
| 752 | |
| 753 | size = tx_cfg->fifo_len; |
| 754 | fifo->ufo_in_band_v = kcalloc(size, sizeof(u64), GFP_KERNEL); |
| 755 | if (!fifo->ufo_in_band_v) |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 756 | return -ENOMEM; |
| 757 | mem_allocated += (size * sizeof(u64)); |
| 758 | } |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 759 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 760 | /* Allocation and initialization of RXDs in Rings */ |
| 761 | size = 0; |
| 762 | for (i = 0; i < config->rx_ring_num; i++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 763 | struct rx_ring_config *rx_cfg = &config->rx_cfg[i]; |
| 764 | struct ring_info *ring = &mac_control->rings[i]; |
| 765 | |
| 766 | if (rx_cfg->num_rxd % (rxd_count[nic->rxd_mode] + 1)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 767 | DBG_PRINT(ERR_DBG, "%s: Ring%d RxD count is not a " |
| 768 | "multiple of RxDs per Block\n", |
| 769 | dev->name, i); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 770 | return FAILURE; |
| 771 | } |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 772 | size += rx_cfg->num_rxd; |
| 773 | ring->block_count = rx_cfg->num_rxd / |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 774 | (rxd_count[nic->rxd_mode] + 1); |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 775 | ring->pkt_cnt = rx_cfg->num_rxd - ring->block_count; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 776 | } |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 777 | if (nic->rxd_mode == RXD_MODE_1) |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 778 | size = (size * (sizeof(struct RxD1))); |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 779 | else |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 780 | size = (size * (sizeof(struct RxD3))); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 781 | |
| 782 | for (i = 0; i < config->rx_ring_num; i++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 783 | struct rx_ring_config *rx_cfg = &config->rx_cfg[i]; |
| 784 | struct ring_info *ring = &mac_control->rings[i]; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 785 | |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 786 | ring->rx_curr_get_info.block_index = 0; |
| 787 | ring->rx_curr_get_info.offset = 0; |
| 788 | ring->rx_curr_get_info.ring_len = rx_cfg->num_rxd - 1; |
| 789 | ring->rx_curr_put_info.block_index = 0; |
| 790 | ring->rx_curr_put_info.offset = 0; |
| 791 | ring->rx_curr_put_info.ring_len = rx_cfg->num_rxd - 1; |
| 792 | ring->nic = nic; |
| 793 | ring->ring_no = i; |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 794 | |
| 795 | blk_cnt = rx_cfg->num_rxd / (rxd_count[nic->rxd_mode] + 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 796 | /* Allocating all the Rx blocks */ |
| 797 | for (j = 0; j < blk_cnt; j++) { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 798 | struct rx_block_info *rx_blocks; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 799 | int l; |
| 800 | |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 801 | rx_blocks = &ring->rx_blocks[j]; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 802 | size = SIZE_OF_BLOCK; /* size is always page size */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 803 | tmp_v_addr = pci_alloc_consistent(nic->pdev, size, |
| 804 | &tmp_p_addr); |
| 805 | if (tmp_v_addr == NULL) { |
| 806 | /* |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 807 | * In case of failure, free_shared_mem() |
| 808 | * is called, which should free any |
| 809 | * memory that was alloced till the |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 810 | * failure happened. |
| 811 | */ |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 812 | rx_blocks->block_virt_addr = tmp_v_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 813 | return -ENOMEM; |
| 814 | } |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 815 | mem_allocated += size; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 816 | memset(tmp_v_addr, 0, size); |
Joe Perches | 4f87032 | 2009-08-24 17:29:42 +0000 | [diff] [blame] | 817 | |
| 818 | size = sizeof(struct rxd_info) * |
| 819 | rxd_count[nic->rxd_mode]; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 820 | rx_blocks->block_virt_addr = tmp_v_addr; |
| 821 | rx_blocks->block_dma_addr = tmp_p_addr; |
Joe Perches | 4f87032 | 2009-08-24 17:29:42 +0000 | [diff] [blame] | 822 | rx_blocks->rxds = kmalloc(size, GFP_KERNEL); |
Sivakumar Subramani | 372cc59 | 2007-01-31 13:32:57 -0500 | [diff] [blame] | 823 | if (!rx_blocks->rxds) |
| 824 | return -ENOMEM; |
Joe Perches | 4f87032 | 2009-08-24 17:29:42 +0000 | [diff] [blame] | 825 | mem_allocated += size; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 826 | for (l = 0; l < rxd_count[nic->rxd_mode]; l++) { |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 827 | rx_blocks->rxds[l].virt_addr = |
| 828 | rx_blocks->block_virt_addr + |
| 829 | (rxd_size[nic->rxd_mode] * l); |
| 830 | rx_blocks->rxds[l].dma_addr = |
| 831 | rx_blocks->block_dma_addr + |
| 832 | (rxd_size[nic->rxd_mode] * l); |
| 833 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 834 | } |
| 835 | /* Interlinking all Rx Blocks */ |
| 836 | for (j = 0; j < blk_cnt; j++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 837 | int next = (j + 1) % blk_cnt; |
| 838 | tmp_v_addr = ring->rx_blocks[j].block_virt_addr; |
| 839 | tmp_v_addr_next = ring->rx_blocks[next].block_virt_addr; |
| 840 | tmp_p_addr = ring->rx_blocks[j].block_dma_addr; |
| 841 | tmp_p_addr_next = ring->rx_blocks[next].block_dma_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 842 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 843 | pre_rxd_blk = (struct RxD_block *)tmp_v_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 844 | pre_rxd_blk->reserved_2_pNext_RxD_block = |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 845 | (unsigned long)tmp_v_addr_next; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 846 | pre_rxd_blk->pNext_RxD_Blk_physical = |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 847 | (u64)tmp_p_addr_next; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 848 | } |
| 849 | } |
Veena Parat | 6d517a2 | 2007-07-23 02:20:51 -0400 | [diff] [blame] | 850 | if (nic->rxd_mode == RXD_MODE_3B) { |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 851 | /* |
| 852 | * Allocation of Storages for buffer addresses in 2BUFF mode |
| 853 | * and the buffers as well. |
| 854 | */ |
| 855 | for (i = 0; i < config->rx_ring_num; i++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 856 | struct rx_ring_config *rx_cfg = &config->rx_cfg[i]; |
| 857 | struct ring_info *ring = &mac_control->rings[i]; |
| 858 | |
| 859 | blk_cnt = rx_cfg->num_rxd / |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 860 | (rxd_count[nic->rxd_mode] + 1); |
Joe Perches | 4f87032 | 2009-08-24 17:29:42 +0000 | [diff] [blame] | 861 | size = sizeof(struct buffAdd *) * blk_cnt; |
| 862 | ring->ba = kmalloc(size, GFP_KERNEL); |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 863 | if (!ring->ba) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 864 | return -ENOMEM; |
Joe Perches | 4f87032 | 2009-08-24 17:29:42 +0000 | [diff] [blame] | 865 | mem_allocated += size; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 866 | for (j = 0; j < blk_cnt; j++) { |
| 867 | int k = 0; |
Joe Perches | 4f87032 | 2009-08-24 17:29:42 +0000 | [diff] [blame] | 868 | |
| 869 | size = sizeof(struct buffAdd) * |
| 870 | (rxd_count[nic->rxd_mode] + 1); |
| 871 | ring->ba[j] = kmalloc(size, GFP_KERNEL); |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 872 | if (!ring->ba[j]) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 873 | return -ENOMEM; |
Joe Perches | 4f87032 | 2009-08-24 17:29:42 +0000 | [diff] [blame] | 874 | mem_allocated += size; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 875 | while (k != rxd_count[nic->rxd_mode]) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 876 | ba = &ring->ba[j][k]; |
Joe Perches | 4f87032 | 2009-08-24 17:29:42 +0000 | [diff] [blame] | 877 | size = BUF0_LEN + ALIGN_SIZE; |
| 878 | ba->ba_0_org = kmalloc(size, GFP_KERNEL); |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 879 | if (!ba->ba_0_org) |
| 880 | return -ENOMEM; |
Joe Perches | 4f87032 | 2009-08-24 17:29:42 +0000 | [diff] [blame] | 881 | mem_allocated += size; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 882 | tmp = (unsigned long)ba->ba_0_org; |
| 883 | tmp += ALIGN_SIZE; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 884 | tmp &= ~((unsigned long)ALIGN_SIZE); |
| 885 | ba->ba_0 = (void *)tmp; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 886 | |
Joe Perches | 4f87032 | 2009-08-24 17:29:42 +0000 | [diff] [blame] | 887 | size = BUF1_LEN + ALIGN_SIZE; |
| 888 | ba->ba_1_org = kmalloc(size, GFP_KERNEL); |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 889 | if (!ba->ba_1_org) |
| 890 | return -ENOMEM; |
Joe Perches | 4f87032 | 2009-08-24 17:29:42 +0000 | [diff] [blame] | 891 | mem_allocated += size; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 892 | tmp = (unsigned long)ba->ba_1_org; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 893 | tmp += ALIGN_SIZE; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 894 | tmp &= ~((unsigned long)ALIGN_SIZE); |
| 895 | ba->ba_1 = (void *)tmp; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 896 | k++; |
| 897 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 898 | } |
| 899 | } |
| 900 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 901 | |
| 902 | /* Allocation and initialization of Statistics block */ |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 903 | size = sizeof(struct stat_block); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 904 | mac_control->stats_mem = |
| 905 | pci_alloc_consistent(nic->pdev, size, |
| 906 | &mac_control->stats_mem_phy); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 907 | |
| 908 | if (!mac_control->stats_mem) { |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 909 | /* |
| 910 | * In case of failure, free_shared_mem() is called, which |
| 911 | * should free any memory that was alloced till the |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 912 | * failure happened. |
| 913 | */ |
| 914 | return -ENOMEM; |
| 915 | } |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 916 | mem_allocated += size; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 917 | mac_control->stats_mem_sz = size; |
| 918 | |
| 919 | tmp_v_addr = mac_control->stats_mem; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 920 | mac_control->stats_info = (struct stat_block *)tmp_v_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 921 | memset(tmp_v_addr, 0, size); |
Breno Leitao | 3a22813 | 2010-03-04 10:40:44 +0000 | [diff] [blame] | 922 | DBG_PRINT(INIT_DBG, "%s: Ring Mem PHY: 0x%llx\n", |
| 923 | dev_name(&nic->pdev->dev), (unsigned long long)tmp_p_addr); |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 924 | mac_control->stats_info->sw_stat.mem_allocated += mem_allocated; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 925 | return SUCCESS; |
| 926 | } |
| 927 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 928 | /** |
| 929 | * free_shared_mem - Free the allocated Memory |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 930 | * @nic: Device private variable. |
| 931 | * Description: This function is to free all memory locations allocated by |
| 932 | * the init_shared_mem() function and return it to the kernel. |
| 933 | */ |
| 934 | |
| 935 | static void free_shared_mem(struct s2io_nic *nic) |
| 936 | { |
| 937 | int i, j, blk_cnt, size; |
| 938 | void *tmp_v_addr; |
| 939 | dma_addr_t tmp_p_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 940 | int lst_size, lst_per_page; |
Micah Gruber | 8910b49 | 2007-07-09 11:29:04 +0800 | [diff] [blame] | 941 | struct net_device *dev; |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 942 | int page_num = 0; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 943 | struct config_param *config; |
| 944 | struct mac_info *mac_control; |
| 945 | struct stat_block *stats; |
| 946 | struct swStat *swstats; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 947 | |
| 948 | if (!nic) |
| 949 | return; |
| 950 | |
Micah Gruber | 8910b49 | 2007-07-09 11:29:04 +0800 | [diff] [blame] | 951 | dev = nic->dev; |
| 952 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 953 | config = &nic->config; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 954 | mac_control = &nic->mac_control; |
| 955 | stats = mac_control->stats_info; |
| 956 | swstats = &stats->sw_stat; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 957 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 958 | lst_size = sizeof(struct TxD) * config->max_txds; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 959 | lst_per_page = PAGE_SIZE / lst_size; |
| 960 | |
| 961 | for (i = 0; i < config->tx_fifo_num; i++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 962 | struct fifo_info *fifo = &mac_control->fifos[i]; |
| 963 | struct tx_fifo_config *tx_cfg = &config->tx_cfg[i]; |
| 964 | |
| 965 | page_num = TXD_MEM_PAGE_CNT(tx_cfg->fifo_len, lst_per_page); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 966 | for (j = 0; j < page_num; j++) { |
| 967 | int mem_blks = (j * lst_per_page); |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 968 | struct list_info_hold *fli; |
| 969 | |
| 970 | if (!fifo->list_info) |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 971 | return; |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 972 | |
| 973 | fli = &fifo->list_info[mem_blks]; |
| 974 | if (!fli->list_virt_addr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 975 | break; |
| 976 | pci_free_consistent(nic->pdev, PAGE_SIZE, |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 977 | fli->list_virt_addr, |
| 978 | fli->list_phy_addr); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 979 | swstats->mem_freed += PAGE_SIZE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 980 | } |
ravinandan.arakali@neterion.com | 776bd20 | 2005-09-06 21:36:56 -0700 | [diff] [blame] | 981 | /* If we got a zero DMA address during allocation, |
| 982 | * free the page now |
| 983 | */ |
| 984 | if (mac_control->zerodma_virt_addr) { |
| 985 | pci_free_consistent(nic->pdev, PAGE_SIZE, |
| 986 | mac_control->zerodma_virt_addr, |
| 987 | (dma_addr_t)0); |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 988 | DBG_PRINT(INIT_DBG, |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 989 | "%s: Freeing TxDL with zero DMA address. " |
| 990 | "Virtual address %p\n", |
| 991 | dev->name, mac_control->zerodma_virt_addr); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 992 | swstats->mem_freed += PAGE_SIZE; |
ravinandan.arakali@neterion.com | 776bd20 | 2005-09-06 21:36:56 -0700 | [diff] [blame] | 993 | } |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 994 | kfree(fifo->list_info); |
Joe Perches | 82c2d02 | 2009-08-24 17:29:48 +0000 | [diff] [blame] | 995 | swstats->mem_freed += tx_cfg->fifo_len * |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 996 | sizeof(struct list_info_hold); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 997 | } |
| 998 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 999 | size = SIZE_OF_BLOCK; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1000 | for (i = 0; i < config->rx_ring_num; i++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 1001 | struct ring_info *ring = &mac_control->rings[i]; |
| 1002 | |
| 1003 | blk_cnt = ring->block_count; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1004 | for (j = 0; j < blk_cnt; j++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 1005 | tmp_v_addr = ring->rx_blocks[j].block_virt_addr; |
| 1006 | tmp_p_addr = ring->rx_blocks[j].block_dma_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1007 | if (tmp_v_addr == NULL) |
| 1008 | break; |
| 1009 | pci_free_consistent(nic->pdev, size, |
| 1010 | tmp_v_addr, tmp_p_addr); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 1011 | swstats->mem_freed += size; |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 1012 | kfree(ring->rx_blocks[j].rxds); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 1013 | swstats->mem_freed += sizeof(struct rxd_info) * |
| 1014 | rxd_count[nic->rxd_mode]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1015 | } |
| 1016 | } |
| 1017 | |
Veena Parat | 6d517a2 | 2007-07-23 02:20:51 -0400 | [diff] [blame] | 1018 | if (nic->rxd_mode == RXD_MODE_3B) { |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 1019 | /* Freeing buffer storage addresses in 2BUFF mode. */ |
| 1020 | for (i = 0; i < config->rx_ring_num; i++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 1021 | struct rx_ring_config *rx_cfg = &config->rx_cfg[i]; |
| 1022 | struct ring_info *ring = &mac_control->rings[i]; |
| 1023 | |
| 1024 | blk_cnt = rx_cfg->num_rxd / |
| 1025 | (rxd_count[nic->rxd_mode] + 1); |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 1026 | for (j = 0; j < blk_cnt; j++) { |
| 1027 | int k = 0; |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 1028 | if (!ring->ba[j]) |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 1029 | continue; |
| 1030 | while (k != rxd_count[nic->rxd_mode]) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 1031 | struct buffAdd *ba = &ring->ba[j][k]; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 1032 | kfree(ba->ba_0_org); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 1033 | swstats->mem_freed += |
| 1034 | BUF0_LEN + ALIGN_SIZE; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 1035 | kfree(ba->ba_1_org); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 1036 | swstats->mem_freed += |
| 1037 | BUF1_LEN + ALIGN_SIZE; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 1038 | k++; |
| 1039 | } |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 1040 | kfree(ring->ba[j]); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 1041 | swstats->mem_freed += sizeof(struct buffAdd) * |
| 1042 | (rxd_count[nic->rxd_mode] + 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1043 | } |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 1044 | kfree(ring->ba); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 1045 | swstats->mem_freed += sizeof(struct buffAdd *) * |
| 1046 | blk_cnt; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1047 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1048 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1049 | |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 1050 | for (i = 0; i < nic->config.tx_fifo_num; i++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 1051 | struct fifo_info *fifo = &mac_control->fifos[i]; |
| 1052 | struct tx_fifo_config *tx_cfg = &config->tx_cfg[i]; |
| 1053 | |
| 1054 | if (fifo->ufo_in_band_v) { |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 1055 | swstats->mem_freed += tx_cfg->fifo_len * |
| 1056 | sizeof(u64); |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 1057 | kfree(fifo->ufo_in_band_v); |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 1058 | } |
| 1059 | } |
| 1060 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1061 | if (mac_control->stats_mem) { |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 1062 | swstats->mem_freed += mac_control->stats_mem_sz; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1063 | pci_free_consistent(nic->pdev, |
| 1064 | mac_control->stats_mem_sz, |
| 1065 | mac_control->stats_mem, |
| 1066 | mac_control->stats_mem_phy); |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 1067 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1068 | } |
| 1069 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1070 | /** |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1071 | * s2io_verify_pci_mode - |
| 1072 | */ |
| 1073 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 1074 | static int s2io_verify_pci_mode(struct s2io_nic *nic) |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1075 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 1076 | struct XENA_dev_config __iomem *bar0 = nic->bar0; |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1077 | register u64 val64 = 0; |
| 1078 | int mode; |
| 1079 | |
| 1080 | val64 = readq(&bar0->pci_mode); |
| 1081 | mode = (u8)GET_PCI_MODE(val64); |
| 1082 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1083 | if (val64 & PCI_MODE_UNKNOWN_MODE) |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1084 | return -1; /* Unknown PCI mode */ |
| 1085 | return mode; |
| 1086 | } |
| 1087 | |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 1088 | #define NEC_VENID 0x1033 |
| 1089 | #define NEC_DEVID 0x0125 |
| 1090 | static int s2io_on_nec_bridge(struct pci_dev *s2io_pdev) |
| 1091 | { |
| 1092 | struct pci_dev *tdev = NULL; |
Alan Cox | 26d36b6 | 2006-09-15 15:22:51 +0100 | [diff] [blame] | 1093 | while ((tdev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, tdev)) != NULL) { |
| 1094 | if (tdev->vendor == NEC_VENID && tdev->device == NEC_DEVID) { |
Ilpo Järvinen | 7ad62dbc | 2008-05-13 14:16:54 +0300 | [diff] [blame] | 1095 | if (tdev->bus == s2io_pdev->bus->parent) { |
Alan Cox | 26d36b6 | 2006-09-15 15:22:51 +0100 | [diff] [blame] | 1096 | pci_dev_put(tdev); |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 1097 | return 1; |
Ilpo Järvinen | 7ad62dbc | 2008-05-13 14:16:54 +0300 | [diff] [blame] | 1098 | } |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 1099 | } |
| 1100 | } |
| 1101 | return 0; |
| 1102 | } |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1103 | |
Adrian Bunk | 7b32a31 | 2006-05-16 17:30:50 +0200 | [diff] [blame] | 1104 | static int bus_speed[8] = {33, 133, 133, 200, 266, 133, 200, 266}; |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1105 | /** |
| 1106 | * s2io_print_pci_mode - |
| 1107 | */ |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 1108 | static int s2io_print_pci_mode(struct s2io_nic *nic) |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1109 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 1110 | struct XENA_dev_config __iomem *bar0 = nic->bar0; |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1111 | register u64 val64 = 0; |
| 1112 | int mode; |
| 1113 | struct config_param *config = &nic->config; |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 1114 | const char *pcimode; |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1115 | |
| 1116 | val64 = readq(&bar0->pci_mode); |
| 1117 | mode = (u8)GET_PCI_MODE(val64); |
| 1118 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1119 | if (val64 & PCI_MODE_UNKNOWN_MODE) |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1120 | return -1; /* Unknown PCI mode */ |
| 1121 | |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 1122 | config->bus_speed = bus_speed[mode]; |
| 1123 | |
| 1124 | if (s2io_on_nec_bridge(nic->pdev)) { |
| 1125 | DBG_PRINT(ERR_DBG, "%s: Device is on PCI-E bus\n", |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1126 | nic->dev->name); |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 1127 | return mode; |
| 1128 | } |
| 1129 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1130 | switch (mode) { |
| 1131 | case PCI_MODE_PCI_33: |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 1132 | pcimode = "33MHz PCI bus"; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1133 | break; |
| 1134 | case PCI_MODE_PCI_66: |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 1135 | pcimode = "66MHz PCI bus"; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1136 | break; |
| 1137 | case PCI_MODE_PCIX_M1_66: |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 1138 | pcimode = "66MHz PCIX(M1) bus"; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1139 | break; |
| 1140 | case PCI_MODE_PCIX_M1_100: |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 1141 | pcimode = "100MHz PCIX(M1) bus"; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1142 | break; |
| 1143 | case PCI_MODE_PCIX_M1_133: |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 1144 | pcimode = "133MHz PCIX(M1) bus"; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1145 | break; |
| 1146 | case PCI_MODE_PCIX_M2_66: |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 1147 | pcimode = "133MHz PCIX(M2) bus"; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1148 | break; |
| 1149 | case PCI_MODE_PCIX_M2_100: |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 1150 | pcimode = "200MHz PCIX(M2) bus"; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1151 | break; |
| 1152 | case PCI_MODE_PCIX_M2_133: |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 1153 | pcimode = "266MHz PCIX(M2) bus"; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1154 | break; |
| 1155 | default: |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 1156 | pcimode = "unsupported bus!"; |
| 1157 | mode = -1; |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1158 | } |
| 1159 | |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 1160 | DBG_PRINT(ERR_DBG, "%s: Device is on %d bit %s\n", |
| 1161 | nic->dev->name, val64 & PCI_MODE_32_BITS ? 32 : 64, pcimode); |
| 1162 | |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1163 | return mode; |
| 1164 | } |
| 1165 | |
| 1166 | /** |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1167 | * init_tti - Initialization transmit traffic interrupt scheme |
| 1168 | * @nic: device private variable |
| 1169 | * @link: link status (UP/DOWN) used to enable/disable continuous |
| 1170 | * transmit interrupts |
| 1171 | * Description: The function configures transmit traffic interrupts |
| 1172 | * Return Value: SUCCESS on success and |
| 1173 | * '-1' on failure |
| 1174 | */ |
| 1175 | |
Adrian Bunk | 0d66afe | 2008-03-04 15:19:22 -0800 | [diff] [blame] | 1176 | static int init_tti(struct s2io_nic *nic, int link) |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1177 | { |
| 1178 | struct XENA_dev_config __iomem *bar0 = nic->bar0; |
| 1179 | register u64 val64 = 0; |
| 1180 | int i; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 1181 | struct config_param *config = &nic->config; |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1182 | |
| 1183 | for (i = 0; i < config->tx_fifo_num; i++) { |
| 1184 | /* |
| 1185 | * TTI Initialization. Default Tx timer gets us about |
| 1186 | * 250 interrupts per sec. Continuous interrupts are enabled |
| 1187 | * by default. |
| 1188 | */ |
| 1189 | if (nic->device_type == XFRAME_II_DEVICE) { |
| 1190 | int count = (nic->config.bus_speed * 125)/2; |
| 1191 | val64 = TTI_DATA1_MEM_TX_TIMER_VAL(count); |
| 1192 | } else |
| 1193 | val64 = TTI_DATA1_MEM_TX_TIMER_VAL(0x2078); |
| 1194 | |
| 1195 | val64 |= TTI_DATA1_MEM_TX_URNG_A(0xA) | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1196 | TTI_DATA1_MEM_TX_URNG_B(0x10) | |
| 1197 | TTI_DATA1_MEM_TX_URNG_C(0x30) | |
| 1198 | TTI_DATA1_MEM_TX_TIMER_AC_EN; |
Sreenivasa Honnur | ac731ab | 2008-05-12 13:41:32 -0400 | [diff] [blame] | 1199 | if (i == 0) |
| 1200 | if (use_continuous_tx_intrs && (link == LINK_UP)) |
| 1201 | val64 |= TTI_DATA1_MEM_TX_TIMER_CI_EN; |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1202 | writeq(val64, &bar0->tti_data1_mem); |
| 1203 | |
Sreenivasa Honnur | ac731ab | 2008-05-12 13:41:32 -0400 | [diff] [blame] | 1204 | if (nic->config.intr_type == MSI_X) { |
| 1205 | val64 = TTI_DATA2_MEM_TX_UFC_A(0x10) | |
| 1206 | TTI_DATA2_MEM_TX_UFC_B(0x100) | |
| 1207 | TTI_DATA2_MEM_TX_UFC_C(0x200) | |
| 1208 | TTI_DATA2_MEM_TX_UFC_D(0x300); |
| 1209 | } else { |
| 1210 | if ((nic->config.tx_steering_type == |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1211 | TX_DEFAULT_STEERING) && |
| 1212 | (config->tx_fifo_num > 1) && |
| 1213 | (i >= nic->udp_fifo_idx) && |
| 1214 | (i < (nic->udp_fifo_idx + |
| 1215 | nic->total_udp_fifos))) |
Sreenivasa Honnur | ac731ab | 2008-05-12 13:41:32 -0400 | [diff] [blame] | 1216 | val64 = TTI_DATA2_MEM_TX_UFC_A(0x50) | |
| 1217 | TTI_DATA2_MEM_TX_UFC_B(0x80) | |
| 1218 | TTI_DATA2_MEM_TX_UFC_C(0x100) | |
| 1219 | TTI_DATA2_MEM_TX_UFC_D(0x120); |
| 1220 | else |
| 1221 | val64 = TTI_DATA2_MEM_TX_UFC_A(0x10) | |
| 1222 | TTI_DATA2_MEM_TX_UFC_B(0x20) | |
| 1223 | TTI_DATA2_MEM_TX_UFC_C(0x40) | |
| 1224 | TTI_DATA2_MEM_TX_UFC_D(0x80); |
| 1225 | } |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1226 | |
| 1227 | writeq(val64, &bar0->tti_data2_mem); |
| 1228 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1229 | val64 = TTI_CMD_MEM_WE | |
| 1230 | TTI_CMD_MEM_STROBE_NEW_CMD | |
| 1231 | TTI_CMD_MEM_OFFSET(i); |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1232 | writeq(val64, &bar0->tti_command_mem); |
| 1233 | |
| 1234 | if (wait_for_cmd_complete(&bar0->tti_command_mem, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1235 | TTI_CMD_MEM_STROBE_NEW_CMD, |
| 1236 | S2IO_BIT_RESET) != SUCCESS) |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1237 | return FAILURE; |
| 1238 | } |
| 1239 | |
| 1240 | return SUCCESS; |
| 1241 | } |
| 1242 | |
| 1243 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1244 | * init_nic - Initialization of hardware |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1245 | * @nic: device private variable |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1246 | * Description: The function sequentially configures every block |
| 1247 | * of the H/W from their reset values. |
| 1248 | * Return Value: SUCCESS on success and |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1249 | * '-1' on failure (endian settings incorrect). |
| 1250 | */ |
| 1251 | |
| 1252 | static int init_nic(struct s2io_nic *nic) |
| 1253 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 1254 | struct XENA_dev_config __iomem *bar0 = nic->bar0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1255 | struct net_device *dev = nic->dev; |
| 1256 | register u64 val64 = 0; |
| 1257 | void __iomem *add; |
| 1258 | u32 time; |
| 1259 | int i, j; |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 1260 | int dtx_cnt = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1261 | unsigned long long mem_share; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1262 | int mem_size; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 1263 | struct config_param *config = &nic->config; |
| 1264 | struct mac_info *mac_control = &nic->mac_control; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1265 | |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1266 | /* to set the swapper controle on the card */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1267 | if (s2io_set_swapper(nic)) { |
| 1268 | DBG_PRINT(ERR_DBG, "ERROR: Setting Swapper failed\n"); |
Sreenivasa Honnur | 9f74ffd | 2007-11-30 01:46:08 -0500 | [diff] [blame] | 1269 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1270 | } |
| 1271 | |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1272 | /* |
| 1273 | * Herc requires EOI to be removed from reset before XGXS, so.. |
| 1274 | */ |
| 1275 | if (nic->device_type & XFRAME_II_DEVICE) { |
| 1276 | val64 = 0xA500000000ULL; |
| 1277 | writeq(val64, &bar0->sw_reset); |
| 1278 | msleep(500); |
| 1279 | val64 = readq(&bar0->sw_reset); |
| 1280 | } |
| 1281 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1282 | /* Remove XGXS from reset state */ |
| 1283 | val64 = 0; |
| 1284 | writeq(val64, &bar0->sw_reset); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1285 | msleep(500); |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1286 | val64 = readq(&bar0->sw_reset); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1287 | |
Sreenivasa Honnur | 7962024 | 2007-12-05 23:59:28 -0500 | [diff] [blame] | 1288 | /* Ensure that it's safe to access registers by checking |
| 1289 | * RIC_RUNNING bit is reset. Check is valid only for XframeII. |
| 1290 | */ |
| 1291 | if (nic->device_type == XFRAME_II_DEVICE) { |
| 1292 | for (i = 0; i < 50; i++) { |
| 1293 | val64 = readq(&bar0->adapter_status); |
| 1294 | if (!(val64 & ADAPTER_STATUS_RIC_RUNNING)) |
| 1295 | break; |
| 1296 | msleep(10); |
| 1297 | } |
| 1298 | if (i == 50) |
| 1299 | return -ENODEV; |
| 1300 | } |
| 1301 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1302 | /* Enable Receiving broadcasts */ |
| 1303 | add = &bar0->mac_cfg; |
| 1304 | val64 = readq(&bar0->mac_cfg); |
| 1305 | val64 |= MAC_RMAC_BCAST_ENABLE; |
| 1306 | writeq(RMAC_CFG_KEY(0x4C0D), &bar0->rmac_cfg_key); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1307 | writel((u32)val64, add); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1308 | writeq(RMAC_CFG_KEY(0x4C0D), &bar0->rmac_cfg_key); |
| 1309 | writel((u32) (val64 >> 32), (add + 4)); |
| 1310 | |
| 1311 | /* Read registers in all blocks */ |
| 1312 | val64 = readq(&bar0->mac_int_mask); |
| 1313 | val64 = readq(&bar0->mc_int_mask); |
| 1314 | val64 = readq(&bar0->xgxs_int_mask); |
| 1315 | |
| 1316 | /* Set MTU */ |
| 1317 | val64 = dev->mtu; |
| 1318 | writeq(vBIT(val64, 2, 14), &bar0->rmac_max_pyld_len); |
| 1319 | |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1320 | if (nic->device_type & XFRAME_II_DEVICE) { |
| 1321 | while (herc_act_dtx_cfg[dtx_cnt] != END_SIGN) { |
raghavendra.koushik@neterion.com | 303bcb4 | 2005-08-03 12:41:38 -0700 | [diff] [blame] | 1322 | SPECIAL_REG_WRITE(herc_act_dtx_cfg[dtx_cnt], |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1323 | &bar0->dtx_control, UF); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1324 | if (dtx_cnt & 0x1) |
| 1325 | msleep(1); /* Necessary!! */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1326 | dtx_cnt++; |
| 1327 | } |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1328 | } else { |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 1329 | while (xena_dtx_cfg[dtx_cnt] != END_SIGN) { |
| 1330 | SPECIAL_REG_WRITE(xena_dtx_cfg[dtx_cnt], |
| 1331 | &bar0->dtx_control, UF); |
| 1332 | val64 = readq(&bar0->dtx_control); |
| 1333 | dtx_cnt++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1334 | } |
| 1335 | } |
| 1336 | |
| 1337 | /* Tx DMA Initialization */ |
| 1338 | val64 = 0; |
| 1339 | writeq(val64, &bar0->tx_fifo_partition_0); |
| 1340 | writeq(val64, &bar0->tx_fifo_partition_1); |
| 1341 | writeq(val64, &bar0->tx_fifo_partition_2); |
| 1342 | writeq(val64, &bar0->tx_fifo_partition_3); |
| 1343 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1344 | for (i = 0, j = 0; i < config->tx_fifo_num; i++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 1345 | struct tx_fifo_config *tx_cfg = &config->tx_cfg[i]; |
| 1346 | |
| 1347 | val64 |= vBIT(tx_cfg->fifo_len - 1, ((j * 32) + 19), 13) | |
| 1348 | vBIT(tx_cfg->fifo_priority, ((j * 32) + 5), 3); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1349 | |
| 1350 | if (i == (config->tx_fifo_num - 1)) { |
| 1351 | if (i % 2 == 0) |
| 1352 | i++; |
| 1353 | } |
| 1354 | |
| 1355 | switch (i) { |
| 1356 | case 1: |
| 1357 | writeq(val64, &bar0->tx_fifo_partition_0); |
| 1358 | val64 = 0; |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1359 | j = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1360 | break; |
| 1361 | case 3: |
| 1362 | writeq(val64, &bar0->tx_fifo_partition_1); |
| 1363 | val64 = 0; |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1364 | j = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1365 | break; |
| 1366 | case 5: |
| 1367 | writeq(val64, &bar0->tx_fifo_partition_2); |
| 1368 | val64 = 0; |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1369 | j = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1370 | break; |
| 1371 | case 7: |
| 1372 | writeq(val64, &bar0->tx_fifo_partition_3); |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1373 | val64 = 0; |
| 1374 | j = 0; |
| 1375 | break; |
| 1376 | default: |
| 1377 | j++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1378 | break; |
| 1379 | } |
| 1380 | } |
| 1381 | |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1382 | /* |
| 1383 | * Disable 4 PCCs for Xena1, 2 and 3 as per H/W bug |
| 1384 | * SXE-008 TRANSMIT DMA ARBITRATION ISSUE. |
| 1385 | */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1386 | if ((nic->device_type == XFRAME_I_DEVICE) && (nic->pdev->revision < 4)) |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1387 | writeq(PCC_ENABLE_FOUR, &bar0->pcc_enable); |
| 1388 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1389 | val64 = readq(&bar0->tx_fifo_partition_0); |
| 1390 | DBG_PRINT(INIT_DBG, "Fifo partition at: 0x%p is: 0x%llx\n", |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1391 | &bar0->tx_fifo_partition_0, (unsigned long long)val64); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1392 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1393 | /* |
| 1394 | * Initialization of Tx_PA_CONFIG register to ignore packet |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1395 | * integrity checking. |
| 1396 | */ |
| 1397 | val64 = readq(&bar0->tx_pa_cfg); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1398 | val64 |= TX_PA_CFG_IGNORE_FRM_ERR | |
| 1399 | TX_PA_CFG_IGNORE_SNAP_OUI | |
| 1400 | TX_PA_CFG_IGNORE_LLC_CTRL | |
| 1401 | TX_PA_CFG_IGNORE_L2_ERR; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1402 | writeq(val64, &bar0->tx_pa_cfg); |
| 1403 | |
| 1404 | /* Rx DMA intialization. */ |
| 1405 | val64 = 0; |
| 1406 | for (i = 0; i < config->rx_ring_num; i++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 1407 | struct rx_ring_config *rx_cfg = &config->rx_cfg[i]; |
| 1408 | |
| 1409 | val64 |= vBIT(rx_cfg->ring_priority, (5 + (i * 8)), 3); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1410 | } |
| 1411 | writeq(val64, &bar0->rx_queue_priority); |
| 1412 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1413 | /* |
| 1414 | * Allocating equal share of memory to all the |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1415 | * configured Rings. |
| 1416 | */ |
| 1417 | val64 = 0; |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1418 | if (nic->device_type & XFRAME_II_DEVICE) |
| 1419 | mem_size = 32; |
| 1420 | else |
| 1421 | mem_size = 64; |
| 1422 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1423 | for (i = 0; i < config->rx_ring_num; i++) { |
| 1424 | switch (i) { |
| 1425 | case 0: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1426 | mem_share = (mem_size / config->rx_ring_num + |
| 1427 | mem_size % config->rx_ring_num); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1428 | val64 |= RX_QUEUE_CFG_Q0_SZ(mem_share); |
| 1429 | continue; |
| 1430 | case 1: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1431 | mem_share = (mem_size / config->rx_ring_num); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1432 | val64 |= RX_QUEUE_CFG_Q1_SZ(mem_share); |
| 1433 | continue; |
| 1434 | case 2: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1435 | mem_share = (mem_size / config->rx_ring_num); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1436 | val64 |= RX_QUEUE_CFG_Q2_SZ(mem_share); |
| 1437 | continue; |
| 1438 | case 3: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1439 | mem_share = (mem_size / config->rx_ring_num); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1440 | val64 |= RX_QUEUE_CFG_Q3_SZ(mem_share); |
| 1441 | continue; |
| 1442 | case 4: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1443 | mem_share = (mem_size / config->rx_ring_num); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1444 | val64 |= RX_QUEUE_CFG_Q4_SZ(mem_share); |
| 1445 | continue; |
| 1446 | case 5: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1447 | mem_share = (mem_size / config->rx_ring_num); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1448 | val64 |= RX_QUEUE_CFG_Q5_SZ(mem_share); |
| 1449 | continue; |
| 1450 | case 6: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1451 | mem_share = (mem_size / config->rx_ring_num); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1452 | val64 |= RX_QUEUE_CFG_Q6_SZ(mem_share); |
| 1453 | continue; |
| 1454 | case 7: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1455 | mem_share = (mem_size / config->rx_ring_num); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1456 | val64 |= RX_QUEUE_CFG_Q7_SZ(mem_share); |
| 1457 | continue; |
| 1458 | } |
| 1459 | } |
| 1460 | writeq(val64, &bar0->rx_queue_cfg); |
| 1461 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1462 | /* |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1463 | * Filling Tx round robin registers |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1464 | * as per the number of FIFOs for equal scheduling priority |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1465 | */ |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1466 | switch (config->tx_fifo_num) { |
| 1467 | case 1: |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1468 | val64 = 0x0; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1469 | writeq(val64, &bar0->tx_w_round_robin_0); |
| 1470 | writeq(val64, &bar0->tx_w_round_robin_1); |
| 1471 | writeq(val64, &bar0->tx_w_round_robin_2); |
| 1472 | writeq(val64, &bar0->tx_w_round_robin_3); |
| 1473 | writeq(val64, &bar0->tx_w_round_robin_4); |
| 1474 | break; |
| 1475 | case 2: |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1476 | val64 = 0x0001000100010001ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1477 | writeq(val64, &bar0->tx_w_round_robin_0); |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1478 | writeq(val64, &bar0->tx_w_round_robin_1); |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1479 | writeq(val64, &bar0->tx_w_round_robin_2); |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1480 | writeq(val64, &bar0->tx_w_round_robin_3); |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1481 | val64 = 0x0001000100000000ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1482 | writeq(val64, &bar0->tx_w_round_robin_4); |
| 1483 | break; |
| 1484 | case 3: |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1485 | val64 = 0x0001020001020001ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1486 | writeq(val64, &bar0->tx_w_round_robin_0); |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1487 | val64 = 0x0200010200010200ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1488 | writeq(val64, &bar0->tx_w_round_robin_1); |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1489 | val64 = 0x0102000102000102ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1490 | writeq(val64, &bar0->tx_w_round_robin_2); |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1491 | val64 = 0x0001020001020001ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1492 | writeq(val64, &bar0->tx_w_round_robin_3); |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1493 | val64 = 0x0200010200000000ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1494 | writeq(val64, &bar0->tx_w_round_robin_4); |
| 1495 | break; |
| 1496 | case 4: |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1497 | val64 = 0x0001020300010203ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1498 | writeq(val64, &bar0->tx_w_round_robin_0); |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1499 | writeq(val64, &bar0->tx_w_round_robin_1); |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1500 | writeq(val64, &bar0->tx_w_round_robin_2); |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1501 | writeq(val64, &bar0->tx_w_round_robin_3); |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1502 | val64 = 0x0001020300000000ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1503 | writeq(val64, &bar0->tx_w_round_robin_4); |
| 1504 | break; |
| 1505 | case 5: |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1506 | val64 = 0x0001020304000102ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1507 | writeq(val64, &bar0->tx_w_round_robin_0); |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1508 | val64 = 0x0304000102030400ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1509 | writeq(val64, &bar0->tx_w_round_robin_1); |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1510 | val64 = 0x0102030400010203ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1511 | writeq(val64, &bar0->tx_w_round_robin_2); |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1512 | val64 = 0x0400010203040001ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1513 | writeq(val64, &bar0->tx_w_round_robin_3); |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1514 | val64 = 0x0203040000000000ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1515 | writeq(val64, &bar0->tx_w_round_robin_4); |
| 1516 | break; |
| 1517 | case 6: |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1518 | val64 = 0x0001020304050001ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1519 | writeq(val64, &bar0->tx_w_round_robin_0); |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1520 | val64 = 0x0203040500010203ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1521 | writeq(val64, &bar0->tx_w_round_robin_1); |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1522 | val64 = 0x0405000102030405ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1523 | writeq(val64, &bar0->tx_w_round_robin_2); |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1524 | val64 = 0x0001020304050001ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1525 | writeq(val64, &bar0->tx_w_round_robin_3); |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1526 | val64 = 0x0203040500000000ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1527 | writeq(val64, &bar0->tx_w_round_robin_4); |
| 1528 | break; |
| 1529 | case 7: |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1530 | val64 = 0x0001020304050600ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1531 | writeq(val64, &bar0->tx_w_round_robin_0); |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1532 | val64 = 0x0102030405060001ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1533 | writeq(val64, &bar0->tx_w_round_robin_1); |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1534 | val64 = 0x0203040506000102ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1535 | writeq(val64, &bar0->tx_w_round_robin_2); |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1536 | val64 = 0x0304050600010203ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1537 | writeq(val64, &bar0->tx_w_round_robin_3); |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1538 | val64 = 0x0405060000000000ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1539 | writeq(val64, &bar0->tx_w_round_robin_4); |
| 1540 | break; |
| 1541 | case 8: |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1542 | val64 = 0x0001020304050607ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1543 | writeq(val64, &bar0->tx_w_round_robin_0); |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1544 | writeq(val64, &bar0->tx_w_round_robin_1); |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1545 | writeq(val64, &bar0->tx_w_round_robin_2); |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1546 | writeq(val64, &bar0->tx_w_round_robin_3); |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1547 | val64 = 0x0001020300000000ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1548 | writeq(val64, &bar0->tx_w_round_robin_4); |
| 1549 | break; |
| 1550 | } |
| 1551 | |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 1552 | /* Enable all configured Tx FIFO partitions */ |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 1553 | val64 = readq(&bar0->tx_fifo_partition_0); |
| 1554 | val64 |= (TX_FIFO_PARTITION_EN); |
| 1555 | writeq(val64, &bar0->tx_fifo_partition_0); |
| 1556 | |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1557 | /* Filling the Rx round robin registers as per the |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1558 | * number of Rings and steering based on QoS with |
| 1559 | * equal priority. |
| 1560 | */ |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1561 | switch (config->rx_ring_num) { |
| 1562 | case 1: |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1563 | val64 = 0x0; |
| 1564 | writeq(val64, &bar0->rx_w_round_robin_0); |
| 1565 | writeq(val64, &bar0->rx_w_round_robin_1); |
| 1566 | writeq(val64, &bar0->rx_w_round_robin_2); |
| 1567 | writeq(val64, &bar0->rx_w_round_robin_3); |
| 1568 | writeq(val64, &bar0->rx_w_round_robin_4); |
| 1569 | |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1570 | val64 = 0x8080808080808080ULL; |
| 1571 | writeq(val64, &bar0->rts_qos_steering); |
| 1572 | break; |
| 1573 | case 2: |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1574 | val64 = 0x0001000100010001ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1575 | writeq(val64, &bar0->rx_w_round_robin_0); |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1576 | writeq(val64, &bar0->rx_w_round_robin_1); |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1577 | writeq(val64, &bar0->rx_w_round_robin_2); |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1578 | writeq(val64, &bar0->rx_w_round_robin_3); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1579 | val64 = 0x0001000100000000ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1580 | writeq(val64, &bar0->rx_w_round_robin_4); |
| 1581 | |
| 1582 | val64 = 0x8080808040404040ULL; |
| 1583 | writeq(val64, &bar0->rts_qos_steering); |
| 1584 | break; |
| 1585 | case 3: |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1586 | val64 = 0x0001020001020001ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1587 | writeq(val64, &bar0->rx_w_round_robin_0); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1588 | val64 = 0x0200010200010200ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1589 | writeq(val64, &bar0->rx_w_round_robin_1); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1590 | val64 = 0x0102000102000102ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1591 | writeq(val64, &bar0->rx_w_round_robin_2); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1592 | val64 = 0x0001020001020001ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1593 | writeq(val64, &bar0->rx_w_round_robin_3); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1594 | val64 = 0x0200010200000000ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1595 | writeq(val64, &bar0->rx_w_round_robin_4); |
| 1596 | |
| 1597 | val64 = 0x8080804040402020ULL; |
| 1598 | writeq(val64, &bar0->rts_qos_steering); |
| 1599 | break; |
| 1600 | case 4: |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1601 | val64 = 0x0001020300010203ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1602 | writeq(val64, &bar0->rx_w_round_robin_0); |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1603 | writeq(val64, &bar0->rx_w_round_robin_1); |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1604 | writeq(val64, &bar0->rx_w_round_robin_2); |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1605 | writeq(val64, &bar0->rx_w_round_robin_3); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1606 | val64 = 0x0001020300000000ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1607 | writeq(val64, &bar0->rx_w_round_robin_4); |
| 1608 | |
| 1609 | val64 = 0x8080404020201010ULL; |
| 1610 | writeq(val64, &bar0->rts_qos_steering); |
| 1611 | break; |
| 1612 | case 5: |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1613 | val64 = 0x0001020304000102ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1614 | writeq(val64, &bar0->rx_w_round_robin_0); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1615 | val64 = 0x0304000102030400ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1616 | writeq(val64, &bar0->rx_w_round_robin_1); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1617 | val64 = 0x0102030400010203ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1618 | writeq(val64, &bar0->rx_w_round_robin_2); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1619 | val64 = 0x0400010203040001ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1620 | writeq(val64, &bar0->rx_w_round_robin_3); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1621 | val64 = 0x0203040000000000ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1622 | writeq(val64, &bar0->rx_w_round_robin_4); |
| 1623 | |
| 1624 | val64 = 0x8080404020201008ULL; |
| 1625 | writeq(val64, &bar0->rts_qos_steering); |
| 1626 | break; |
| 1627 | case 6: |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1628 | val64 = 0x0001020304050001ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1629 | writeq(val64, &bar0->rx_w_round_robin_0); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1630 | val64 = 0x0203040500010203ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1631 | writeq(val64, &bar0->rx_w_round_robin_1); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1632 | val64 = 0x0405000102030405ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1633 | writeq(val64, &bar0->rx_w_round_robin_2); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1634 | val64 = 0x0001020304050001ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1635 | writeq(val64, &bar0->rx_w_round_robin_3); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1636 | val64 = 0x0203040500000000ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1637 | writeq(val64, &bar0->rx_w_round_robin_4); |
| 1638 | |
| 1639 | val64 = 0x8080404020100804ULL; |
| 1640 | writeq(val64, &bar0->rts_qos_steering); |
| 1641 | break; |
| 1642 | case 7: |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1643 | val64 = 0x0001020304050600ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1644 | writeq(val64, &bar0->rx_w_round_robin_0); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1645 | val64 = 0x0102030405060001ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1646 | writeq(val64, &bar0->rx_w_round_robin_1); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1647 | val64 = 0x0203040506000102ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1648 | writeq(val64, &bar0->rx_w_round_robin_2); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1649 | val64 = 0x0304050600010203ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1650 | writeq(val64, &bar0->rx_w_round_robin_3); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1651 | val64 = 0x0405060000000000ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1652 | writeq(val64, &bar0->rx_w_round_robin_4); |
| 1653 | |
| 1654 | val64 = 0x8080402010080402ULL; |
| 1655 | writeq(val64, &bar0->rts_qos_steering); |
| 1656 | break; |
| 1657 | case 8: |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1658 | val64 = 0x0001020304050607ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1659 | writeq(val64, &bar0->rx_w_round_robin_0); |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1660 | writeq(val64, &bar0->rx_w_round_robin_1); |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1661 | writeq(val64, &bar0->rx_w_round_robin_2); |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1662 | writeq(val64, &bar0->rx_w_round_robin_3); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1663 | val64 = 0x0001020300000000ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1664 | writeq(val64, &bar0->rx_w_round_robin_4); |
| 1665 | |
| 1666 | val64 = 0x8040201008040201ULL; |
| 1667 | writeq(val64, &bar0->rts_qos_steering); |
| 1668 | break; |
| 1669 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1670 | |
| 1671 | /* UDP Fix */ |
| 1672 | val64 = 0; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1673 | for (i = 0; i < 8; i++) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1674 | writeq(val64, &bar0->rts_frm_len_n[i]); |
| 1675 | |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1676 | /* Set the default rts frame length for the rings configured */ |
| 1677 | val64 = MAC_RTS_FRM_LEN_SET(dev->mtu+22); |
| 1678 | for (i = 0 ; i < config->rx_ring_num ; i++) |
| 1679 | writeq(val64, &bar0->rts_frm_len_n[i]); |
| 1680 | |
| 1681 | /* Set the frame length for the configured rings |
| 1682 | * desired by the user |
| 1683 | */ |
| 1684 | for (i = 0; i < config->rx_ring_num; i++) { |
| 1685 | /* If rts_frm_len[i] == 0 then it is assumed that user not |
| 1686 | * specified frame length steering. |
| 1687 | * If the user provides the frame length then program |
| 1688 | * the rts_frm_len register for those values or else |
| 1689 | * leave it as it is. |
| 1690 | */ |
| 1691 | if (rts_frm_len[i] != 0) { |
| 1692 | writeq(MAC_RTS_FRM_LEN_SET(rts_frm_len[i]), |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1693 | &bar0->rts_frm_len_n[i]); |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1694 | } |
| 1695 | } |
Sivakumar Subramani | 8a4bdba | 2007-09-18 18:14:20 -0400 | [diff] [blame] | 1696 | |
Sivakumar Subramani | 9fc93a4 | 2007-02-24 01:57:32 -0500 | [diff] [blame] | 1697 | /* Disable differentiated services steering logic */ |
| 1698 | for (i = 0; i < 64; i++) { |
| 1699 | if (rts_ds_steer(nic, i, 0) == FAILURE) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 1700 | DBG_PRINT(ERR_DBG, |
| 1701 | "%s: rts_ds_steer failed on codepoint %d\n", |
| 1702 | dev->name, i); |
Sreenivasa Honnur | 9f74ffd | 2007-11-30 01:46:08 -0500 | [diff] [blame] | 1703 | return -ENODEV; |
Sivakumar Subramani | 9fc93a4 | 2007-02-24 01:57:32 -0500 | [diff] [blame] | 1704 | } |
| 1705 | } |
| 1706 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1707 | /* Program statistics memory */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1708 | writeq(mac_control->stats_mem_phy, &bar0->stat_addr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1709 | |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1710 | if (nic->device_type == XFRAME_II_DEVICE) { |
| 1711 | val64 = STAT_BC(0x320); |
| 1712 | writeq(val64, &bar0->stat_byte_cnt); |
| 1713 | } |
| 1714 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1715 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1716 | * Initializing the sampling rate for the device to calculate the |
| 1717 | * bandwidth utilization. |
| 1718 | */ |
| 1719 | val64 = MAC_TX_LINK_UTIL_VAL(tmac_util_period) | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1720 | MAC_RX_LINK_UTIL_VAL(rmac_util_period); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1721 | writeq(val64, &bar0->mac_link_util); |
| 1722 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1723 | /* |
| 1724 | * Initializing the Transmit and Receive Traffic Interrupt |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1725 | * Scheme. |
| 1726 | */ |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1727 | |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1728 | /* Initialize TTI */ |
| 1729 | if (SUCCESS != init_tti(nic, nic->last_link_state)) |
| 1730 | return -ENODEV; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1731 | |
Sivakumar Subramani | 8a4bdba | 2007-09-18 18:14:20 -0400 | [diff] [blame] | 1732 | /* RTI Initialization */ |
| 1733 | if (nic->device_type == XFRAME_II_DEVICE) { |
| 1734 | /* |
| 1735 | * Programmed to generate Apprx 500 Intrs per |
| 1736 | * second |
| 1737 | */ |
| 1738 | int count = (nic->config.bus_speed * 125)/4; |
| 1739 | val64 = RTI_DATA1_MEM_RX_TIMER_VAL(count); |
| 1740 | } else |
| 1741 | val64 = RTI_DATA1_MEM_RX_TIMER_VAL(0xFFF); |
| 1742 | val64 |= RTI_DATA1_MEM_RX_URNG_A(0xA) | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1743 | RTI_DATA1_MEM_RX_URNG_B(0x10) | |
| 1744 | RTI_DATA1_MEM_RX_URNG_C(0x30) | |
| 1745 | RTI_DATA1_MEM_RX_TIMER_AC_EN; |
Sivakumar Subramani | 8a4bdba | 2007-09-18 18:14:20 -0400 | [diff] [blame] | 1746 | |
| 1747 | writeq(val64, &bar0->rti_data1_mem); |
| 1748 | |
| 1749 | val64 = RTI_DATA2_MEM_RX_UFC_A(0x1) | |
| 1750 | RTI_DATA2_MEM_RX_UFC_B(0x2) ; |
| 1751 | if (nic->config.intr_type == MSI_X) |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1752 | val64 |= (RTI_DATA2_MEM_RX_UFC_C(0x20) | |
| 1753 | RTI_DATA2_MEM_RX_UFC_D(0x40)); |
Sivakumar Subramani | 8a4bdba | 2007-09-18 18:14:20 -0400 | [diff] [blame] | 1754 | else |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1755 | val64 |= (RTI_DATA2_MEM_RX_UFC_C(0x40) | |
| 1756 | RTI_DATA2_MEM_RX_UFC_D(0x80)); |
Sivakumar Subramani | 8a4bdba | 2007-09-18 18:14:20 -0400 | [diff] [blame] | 1757 | writeq(val64, &bar0->rti_data2_mem); |
| 1758 | |
| 1759 | for (i = 0; i < config->rx_ring_num; i++) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1760 | val64 = RTI_CMD_MEM_WE | |
| 1761 | RTI_CMD_MEM_STROBE_NEW_CMD | |
| 1762 | RTI_CMD_MEM_OFFSET(i); |
Sivakumar Subramani | 8a4bdba | 2007-09-18 18:14:20 -0400 | [diff] [blame] | 1763 | writeq(val64, &bar0->rti_command_mem); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1764 | |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1765 | /* |
Sivakumar Subramani | 8a4bdba | 2007-09-18 18:14:20 -0400 | [diff] [blame] | 1766 | * Once the operation completes, the Strobe bit of the |
| 1767 | * command register will be reset. We poll for this |
| 1768 | * particular condition. We wait for a maximum of 500ms |
| 1769 | * for the operation to complete, if it's not complete |
| 1770 | * by then we return error. |
| 1771 | */ |
| 1772 | time = 0; |
Tobias Klauser | f957bcf | 2009-06-04 23:07:59 +0000 | [diff] [blame] | 1773 | while (true) { |
Sivakumar Subramani | 8a4bdba | 2007-09-18 18:14:20 -0400 | [diff] [blame] | 1774 | val64 = readq(&bar0->rti_command_mem); |
| 1775 | if (!(val64 & RTI_CMD_MEM_STROBE_NEW_CMD)) |
| 1776 | break; |
| 1777 | |
| 1778 | if (time > 10) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 1779 | DBG_PRINT(ERR_DBG, "%s: RTI init failed\n", |
Sivakumar Subramani | 8a4bdba | 2007-09-18 18:14:20 -0400 | [diff] [blame] | 1780 | dev->name); |
Sreenivasa Honnur | 9f74ffd | 2007-11-30 01:46:08 -0500 | [diff] [blame] | 1781 | return -ENODEV; |
raghavendra.koushik@neterion.com | b6e3f98 | 2005-08-03 12:38:01 -0700 | [diff] [blame] | 1782 | } |
Sivakumar Subramani | 8a4bdba | 2007-09-18 18:14:20 -0400 | [diff] [blame] | 1783 | time++; |
| 1784 | msleep(50); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1785 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1786 | } |
| 1787 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1788 | /* |
| 1789 | * Initializing proper values as Pause threshold into all |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1790 | * the 8 Queues on Rx side. |
| 1791 | */ |
| 1792 | writeq(0xffbbffbbffbbffbbULL, &bar0->mc_pause_thresh_q0q3); |
| 1793 | writeq(0xffbbffbbffbbffbbULL, &bar0->mc_pause_thresh_q4q7); |
| 1794 | |
| 1795 | /* Disable RMAC PAD STRIPPING */ |
viro@ftp.linux.org.uk | 509a267 | 2005-09-05 03:25:58 +0100 | [diff] [blame] | 1796 | add = &bar0->mac_cfg; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1797 | val64 = readq(&bar0->mac_cfg); |
| 1798 | val64 &= ~(MAC_CFG_RMAC_STRIP_PAD); |
| 1799 | writeq(RMAC_CFG_KEY(0x4C0D), &bar0->rmac_cfg_key); |
| 1800 | writel((u32) (val64), add); |
| 1801 | writeq(RMAC_CFG_KEY(0x4C0D), &bar0->rmac_cfg_key); |
| 1802 | writel((u32) (val64 >> 32), (add + 4)); |
| 1803 | val64 = readq(&bar0->mac_cfg); |
| 1804 | |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 1805 | /* Enable FCS stripping by adapter */ |
| 1806 | add = &bar0->mac_cfg; |
| 1807 | val64 = readq(&bar0->mac_cfg); |
| 1808 | val64 |= MAC_CFG_RMAC_STRIP_FCS; |
| 1809 | if (nic->device_type == XFRAME_II_DEVICE) |
| 1810 | writeq(val64, &bar0->mac_cfg); |
| 1811 | else { |
| 1812 | writeq(RMAC_CFG_KEY(0x4C0D), &bar0->rmac_cfg_key); |
| 1813 | writel((u32) (val64), add); |
| 1814 | writeq(RMAC_CFG_KEY(0x4C0D), &bar0->rmac_cfg_key); |
| 1815 | writel((u32) (val64 >> 32), (add + 4)); |
| 1816 | } |
| 1817 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1818 | /* |
| 1819 | * Set the time value to be inserted in the pause frame |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1820 | * generated by xena. |
| 1821 | */ |
| 1822 | val64 = readq(&bar0->rmac_pause_cfg); |
| 1823 | val64 &= ~(RMAC_PAUSE_HG_PTIME(0xffff)); |
| 1824 | val64 |= RMAC_PAUSE_HG_PTIME(nic->mac_control.rmac_pause_time); |
| 1825 | writeq(val64, &bar0->rmac_pause_cfg); |
| 1826 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1827 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1828 | * Set the Threshold Limit for Generating the pause frame |
| 1829 | * If the amount of data in any Queue exceeds ratio of |
| 1830 | * (mac_control.mc_pause_threshold_q0q3 or q4q7)/256 |
| 1831 | * pause frame is generated |
| 1832 | */ |
| 1833 | val64 = 0; |
| 1834 | for (i = 0; i < 4; i++) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1835 | val64 |= (((u64)0xFF00 | |
| 1836 | nic->mac_control.mc_pause_threshold_q0q3) |
| 1837 | << (i * 2 * 8)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1838 | } |
| 1839 | writeq(val64, &bar0->mc_pause_thresh_q0q3); |
| 1840 | |
| 1841 | val64 = 0; |
| 1842 | for (i = 0; i < 4; i++) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1843 | val64 |= (((u64)0xFF00 | |
| 1844 | nic->mac_control.mc_pause_threshold_q4q7) |
| 1845 | << (i * 2 * 8)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1846 | } |
| 1847 | writeq(val64, &bar0->mc_pause_thresh_q4q7); |
| 1848 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1849 | /* |
| 1850 | * TxDMA will stop Read request if the number of read split has |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1851 | * exceeded the limit pointed by shared_splits |
| 1852 | */ |
| 1853 | val64 = readq(&bar0->pic_control); |
| 1854 | val64 |= PIC_CNTL_SHARED_SPLITS(shared_splits); |
| 1855 | writeq(val64, &bar0->pic_control); |
| 1856 | |
Ananda Raju | 863c11a | 2006-04-21 19:03:13 -0400 | [diff] [blame] | 1857 | if (nic->config.bus_speed == 266) { |
| 1858 | writeq(TXREQTO_VAL(0x7f) | TXREQTO_EN, &bar0->txreqtimeout); |
| 1859 | writeq(0x0, &bar0->read_retry_delay); |
| 1860 | writeq(0x0, &bar0->write_retry_delay); |
| 1861 | } |
| 1862 | |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1863 | /* |
| 1864 | * Programming the Herc to split every write transaction |
| 1865 | * that does not start on an ADB to reduce disconnects. |
| 1866 | */ |
| 1867 | if (nic->device_type == XFRAME_II_DEVICE) { |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 1868 | val64 = FAULT_BEHAVIOUR | EXT_REQ_EN | |
| 1869 | MISC_LINK_STABILITY_PRD(3); |
Ananda Raju | 863c11a | 2006-04-21 19:03:13 -0400 | [diff] [blame] | 1870 | writeq(val64, &bar0->misc_control); |
| 1871 | val64 = readq(&bar0->pic_control2); |
Jiri Slaby | b7b5a12 | 2007-10-18 23:40:29 -0700 | [diff] [blame] | 1872 | val64 &= ~(s2BIT(13)|s2BIT(14)|s2BIT(15)); |
Ananda Raju | 863c11a | 2006-04-21 19:03:13 -0400 | [diff] [blame] | 1873 | writeq(val64, &bar0->pic_control2); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1874 | } |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 1875 | if (strstr(nic->product_name, "CX4")) { |
| 1876 | val64 = TMAC_AVG_IPG(0x17); |
| 1877 | writeq(val64, &bar0->tmac_avg_ipg); |
raghavendra.koushik@neterion.com | a371a07 | 2005-08-03 12:38:59 -0700 | [diff] [blame] | 1878 | } |
| 1879 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1880 | return SUCCESS; |
| 1881 | } |
raghavendra.koushik@neterion.com | a371a07 | 2005-08-03 12:38:59 -0700 | [diff] [blame] | 1882 | #define LINK_UP_DOWN_INTERRUPT 1 |
| 1883 | #define MAC_RMAC_ERR_TIMER 2 |
| 1884 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 1885 | static int s2io_link_fault_indication(struct s2io_nic *nic) |
raghavendra.koushik@neterion.com | a371a07 | 2005-08-03 12:38:59 -0700 | [diff] [blame] | 1886 | { |
| 1887 | if (nic->device_type == XFRAME_II_DEVICE) |
| 1888 | return LINK_UP_DOWN_INTERRUPT; |
| 1889 | else |
| 1890 | return MAC_RMAC_ERR_TIMER; |
| 1891 | } |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 1892 | |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1893 | /** |
| 1894 | * do_s2io_write_bits - update alarm bits in alarm register |
| 1895 | * @value: alarm bits |
| 1896 | * @flag: interrupt status |
| 1897 | * @addr: address value |
| 1898 | * Description: update alarm bits in alarm register |
| 1899 | * Return Value: |
| 1900 | * NONE. |
| 1901 | */ |
| 1902 | static void do_s2io_write_bits(u64 value, int flag, void __iomem *addr) |
| 1903 | { |
| 1904 | u64 temp64; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1905 | |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1906 | temp64 = readq(addr); |
| 1907 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1908 | if (flag == ENABLE_INTRS) |
| 1909 | temp64 &= ~((u64)value); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1910 | else |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1911 | temp64 |= ((u64)value); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1912 | writeq(temp64, addr); |
| 1913 | } |
| 1914 | |
Stephen Hemminger | 43b7c45 | 2007-10-05 12:39:21 -0700 | [diff] [blame] | 1915 | static void en_dis_err_alarms(struct s2io_nic *nic, u16 mask, int flag) |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1916 | { |
| 1917 | struct XENA_dev_config __iomem *bar0 = nic->bar0; |
| 1918 | register u64 gen_int_mask = 0; |
Sreenivasa Honnur | 01e16fa | 2008-07-09 23:49:21 -0400 | [diff] [blame] | 1919 | u64 interruptible; |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1920 | |
Sreenivasa Honnur | 01e16fa | 2008-07-09 23:49:21 -0400 | [diff] [blame] | 1921 | writeq(DISABLE_ALL_INTRS, &bar0->general_int_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1922 | if (mask & TX_DMA_INTR) { |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1923 | gen_int_mask |= TXDMA_INT_M; |
| 1924 | |
| 1925 | do_s2io_write_bits(TXDMA_TDA_INT | TXDMA_PFC_INT | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1926 | TXDMA_PCC_INT | TXDMA_TTI_INT | |
| 1927 | TXDMA_LSO_INT | TXDMA_TPA_INT | |
| 1928 | TXDMA_SM_INT, flag, &bar0->txdma_int_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1929 | |
| 1930 | do_s2io_write_bits(PFC_ECC_DB_ERR | PFC_SM_ERR_ALARM | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1931 | PFC_MISC_0_ERR | PFC_MISC_1_ERR | |
| 1932 | PFC_PCIX_ERR | PFC_ECC_SG_ERR, flag, |
| 1933 | &bar0->pfc_err_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1934 | |
| 1935 | do_s2io_write_bits(TDA_Fn_ECC_DB_ERR | TDA_SM0_ERR_ALARM | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1936 | TDA_SM1_ERR_ALARM | TDA_Fn_ECC_SG_ERR | |
| 1937 | TDA_PCIX_ERR, flag, &bar0->tda_err_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1938 | |
| 1939 | do_s2io_write_bits(PCC_FB_ECC_DB_ERR | PCC_TXB_ECC_DB_ERR | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1940 | PCC_SM_ERR_ALARM | PCC_WR_ERR_ALARM | |
| 1941 | PCC_N_SERR | PCC_6_COF_OV_ERR | |
| 1942 | PCC_7_COF_OV_ERR | PCC_6_LSO_OV_ERR | |
| 1943 | PCC_7_LSO_OV_ERR | PCC_FB_ECC_SG_ERR | |
| 1944 | PCC_TXB_ECC_SG_ERR, |
| 1945 | flag, &bar0->pcc_err_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1946 | |
| 1947 | do_s2io_write_bits(TTI_SM_ERR_ALARM | TTI_ECC_SG_ERR | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1948 | TTI_ECC_DB_ERR, flag, &bar0->tti_err_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1949 | |
| 1950 | do_s2io_write_bits(LSO6_ABORT | LSO7_ABORT | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1951 | LSO6_SM_ERR_ALARM | LSO7_SM_ERR_ALARM | |
| 1952 | LSO6_SEND_OFLOW | LSO7_SEND_OFLOW, |
| 1953 | flag, &bar0->lso_err_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1954 | |
| 1955 | do_s2io_write_bits(TPA_SM_ERR_ALARM | TPA_TX_FRM_DROP, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1956 | flag, &bar0->tpa_err_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1957 | |
| 1958 | do_s2io_write_bits(SM_SM_ERR_ALARM, flag, &bar0->sm_err_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1959 | } |
| 1960 | |
| 1961 | if (mask & TX_MAC_INTR) { |
| 1962 | gen_int_mask |= TXMAC_INT_M; |
| 1963 | do_s2io_write_bits(MAC_INT_STATUS_TMAC_INT, flag, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1964 | &bar0->mac_int_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1965 | do_s2io_write_bits(TMAC_TX_BUF_OVRN | TMAC_TX_SM_ERR | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1966 | TMAC_ECC_SG_ERR | TMAC_ECC_DB_ERR | |
| 1967 | TMAC_DESC_ECC_SG_ERR | TMAC_DESC_ECC_DB_ERR, |
| 1968 | flag, &bar0->mac_tmac_err_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1969 | } |
| 1970 | |
| 1971 | if (mask & TX_XGXS_INTR) { |
| 1972 | gen_int_mask |= TXXGXS_INT_M; |
| 1973 | do_s2io_write_bits(XGXS_INT_STATUS_TXGXS, flag, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1974 | &bar0->xgxs_int_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1975 | do_s2io_write_bits(TXGXS_ESTORE_UFLOW | TXGXS_TX_SM_ERR | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1976 | TXGXS_ECC_SG_ERR | TXGXS_ECC_DB_ERR, |
| 1977 | flag, &bar0->xgxs_txgxs_err_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1978 | } |
| 1979 | |
| 1980 | if (mask & RX_DMA_INTR) { |
| 1981 | gen_int_mask |= RXDMA_INT_M; |
| 1982 | do_s2io_write_bits(RXDMA_INT_RC_INT_M | RXDMA_INT_RPA_INT_M | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1983 | RXDMA_INT_RDA_INT_M | RXDMA_INT_RTI_INT_M, |
| 1984 | flag, &bar0->rxdma_int_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1985 | do_s2io_write_bits(RC_PRCn_ECC_DB_ERR | RC_FTC_ECC_DB_ERR | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1986 | RC_PRCn_SM_ERR_ALARM | RC_FTC_SM_ERR_ALARM | |
| 1987 | RC_PRCn_ECC_SG_ERR | RC_FTC_ECC_SG_ERR | |
| 1988 | RC_RDA_FAIL_WR_Rn, flag, &bar0->rc_err_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1989 | do_s2io_write_bits(PRC_PCI_AB_RD_Rn | PRC_PCI_AB_WR_Rn | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1990 | PRC_PCI_AB_F_WR_Rn | PRC_PCI_DP_RD_Rn | |
| 1991 | PRC_PCI_DP_WR_Rn | PRC_PCI_DP_F_WR_Rn, flag, |
| 1992 | &bar0->prc_pcix_err_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1993 | do_s2io_write_bits(RPA_SM_ERR_ALARM | RPA_CREDIT_ERR | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1994 | RPA_ECC_SG_ERR | RPA_ECC_DB_ERR, flag, |
| 1995 | &bar0->rpa_err_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1996 | do_s2io_write_bits(RDA_RXDn_ECC_DB_ERR | RDA_FRM_ECC_DB_N_AERR | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1997 | RDA_SM1_ERR_ALARM | RDA_SM0_ERR_ALARM | |
| 1998 | RDA_RXD_ECC_DB_SERR | RDA_RXDn_ECC_SG_ERR | |
| 1999 | RDA_FRM_ECC_SG_ERR | |
| 2000 | RDA_MISC_ERR|RDA_PCIX_ERR, |
| 2001 | flag, &bar0->rda_err_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 2002 | do_s2io_write_bits(RTI_SM_ERR_ALARM | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2003 | RTI_ECC_SG_ERR | RTI_ECC_DB_ERR, |
| 2004 | flag, &bar0->rti_err_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 2005 | } |
| 2006 | |
| 2007 | if (mask & RX_MAC_INTR) { |
| 2008 | gen_int_mask |= RXMAC_INT_M; |
| 2009 | do_s2io_write_bits(MAC_INT_STATUS_RMAC_INT, flag, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2010 | &bar0->mac_int_mask); |
| 2011 | interruptible = (RMAC_RX_BUFF_OVRN | RMAC_RX_SM_ERR | |
| 2012 | RMAC_UNUSED_INT | RMAC_SINGLE_ECC_ERR | |
| 2013 | RMAC_DOUBLE_ECC_ERR); |
Sreenivasa Honnur | 01e16fa | 2008-07-09 23:49:21 -0400 | [diff] [blame] | 2014 | if (s2io_link_fault_indication(nic) == MAC_RMAC_ERR_TIMER) |
| 2015 | interruptible |= RMAC_LINK_STATE_CHANGE_INT; |
| 2016 | do_s2io_write_bits(interruptible, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2017 | flag, &bar0->mac_rmac_err_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 2018 | } |
| 2019 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2020 | if (mask & RX_XGXS_INTR) { |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 2021 | gen_int_mask |= RXXGXS_INT_M; |
| 2022 | do_s2io_write_bits(XGXS_INT_STATUS_RXGXS, flag, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2023 | &bar0->xgxs_int_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 2024 | do_s2io_write_bits(RXGXS_ESTORE_OFLOW | RXGXS_RX_SM_ERR, flag, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2025 | &bar0->xgxs_rxgxs_err_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 2026 | } |
| 2027 | |
| 2028 | if (mask & MC_INTR) { |
| 2029 | gen_int_mask |= MC_INT_M; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2030 | do_s2io_write_bits(MC_INT_MASK_MC_INT, |
| 2031 | flag, &bar0->mc_int_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 2032 | do_s2io_write_bits(MC_ERR_REG_SM_ERR | MC_ERR_REG_ECC_ALL_SNG | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2033 | MC_ERR_REG_ECC_ALL_DBL | PLL_LOCK_N, flag, |
| 2034 | &bar0->mc_err_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 2035 | } |
| 2036 | nic->general_int_mask = gen_int_mask; |
| 2037 | |
| 2038 | /* Remove this line when alarm interrupts are enabled */ |
| 2039 | nic->general_int_mask = 0; |
| 2040 | } |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2041 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2042 | /** |
| 2043 | * en_dis_able_nic_intrs - Enable or Disable the interrupts |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2044 | * @nic: device private variable, |
| 2045 | * @mask: A mask indicating which Intr block must be modified and, |
| 2046 | * @flag: A flag indicating whether to enable or disable the Intrs. |
| 2047 | * Description: This function will either disable or enable the interrupts |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2048 | * depending on the flag argument. The mask argument can be used to |
| 2049 | * enable/disable any Intr block. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2050 | * Return Value: NONE. |
| 2051 | */ |
| 2052 | |
| 2053 | static void en_dis_able_nic_intrs(struct s2io_nic *nic, u16 mask, int flag) |
| 2054 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2055 | struct XENA_dev_config __iomem *bar0 = nic->bar0; |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 2056 | register u64 temp64 = 0, intr_mask = 0; |
| 2057 | |
| 2058 | intr_mask = nic->general_int_mask; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2059 | |
| 2060 | /* Top level interrupt classification */ |
| 2061 | /* PIC Interrupts */ |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 2062 | if (mask & TX_PIC_INTR) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2063 | /* Enable PIC Intrs in the general intr mask register */ |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 2064 | intr_mask |= TXPIC_INT_M; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2065 | if (flag == ENABLE_INTRS) { |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2066 | /* |
raghavendra.koushik@neterion.com | a371a07 | 2005-08-03 12:38:59 -0700 | [diff] [blame] | 2067 | * If Hercules adapter enable GPIO otherwise |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 2068 | * disable all PCIX, Flash, MDIO, IIC and GPIO |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2069 | * interrupts for now. |
| 2070 | * TODO |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2071 | */ |
raghavendra.koushik@neterion.com | a371a07 | 2005-08-03 12:38:59 -0700 | [diff] [blame] | 2072 | if (s2io_link_fault_indication(nic) == |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2073 | LINK_UP_DOWN_INTERRUPT) { |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 2074 | do_s2io_write_bits(PIC_INT_GPIO, flag, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2075 | &bar0->pic_int_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 2076 | do_s2io_write_bits(GPIO_INT_MASK_LINK_UP, flag, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2077 | &bar0->gpio_int_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 2078 | } else |
raghavendra.koushik@neterion.com | a371a07 | 2005-08-03 12:38:59 -0700 | [diff] [blame] | 2079 | writeq(DISABLE_ALL_INTRS, &bar0->pic_int_mask); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2080 | } else if (flag == DISABLE_INTRS) { |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2081 | /* |
| 2082 | * Disable PIC Intrs in the general |
| 2083 | * intr mask register |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2084 | */ |
| 2085 | writeq(DISABLE_ALL_INTRS, &bar0->pic_int_mask); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2086 | } |
| 2087 | } |
| 2088 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2089 | /* Tx traffic interrupts */ |
| 2090 | if (mask & TX_TRAFFIC_INTR) { |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 2091 | intr_mask |= TXTRAFFIC_INT_M; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2092 | if (flag == ENABLE_INTRS) { |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2093 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2094 | * Enable all the Tx side interrupts |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2095 | * writing 0 Enables all 64 TX interrupt levels |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2096 | */ |
| 2097 | writeq(0x0, &bar0->tx_traffic_mask); |
| 2098 | } else if (flag == DISABLE_INTRS) { |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2099 | /* |
| 2100 | * Disable Tx Traffic Intrs in the general intr mask |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2101 | * register. |
| 2102 | */ |
| 2103 | writeq(DISABLE_ALL_INTRS, &bar0->tx_traffic_mask); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2104 | } |
| 2105 | } |
| 2106 | |
| 2107 | /* Rx traffic interrupts */ |
| 2108 | if (mask & RX_TRAFFIC_INTR) { |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 2109 | intr_mask |= RXTRAFFIC_INT_M; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2110 | if (flag == ENABLE_INTRS) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2111 | /* writing 0 Enables all 8 RX interrupt levels */ |
| 2112 | writeq(0x0, &bar0->rx_traffic_mask); |
| 2113 | } else if (flag == DISABLE_INTRS) { |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2114 | /* |
| 2115 | * Disable Rx Traffic Intrs in the general intr mask |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2116 | * register. |
| 2117 | */ |
| 2118 | writeq(DISABLE_ALL_INTRS, &bar0->rx_traffic_mask); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2119 | } |
| 2120 | } |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 2121 | |
| 2122 | temp64 = readq(&bar0->general_int_mask); |
| 2123 | if (flag == ENABLE_INTRS) |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2124 | temp64 &= ~((u64)intr_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 2125 | else |
| 2126 | temp64 = DISABLE_ALL_INTRS; |
| 2127 | writeq(temp64, &bar0->general_int_mask); |
| 2128 | |
| 2129 | nic->general_int_mask = readq(&bar0->general_int_mask); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2130 | } |
| 2131 | |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 2132 | /** |
| 2133 | * verify_pcc_quiescent- Checks for PCC quiescent state |
| 2134 | * Return: 1 If PCC is quiescence |
| 2135 | * 0 If PCC is not quiescence |
| 2136 | */ |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2137 | static int verify_pcc_quiescent(struct s2io_nic *sp, int flag) |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2138 | { |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 2139 | int ret = 0, herc; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2140 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 2141 | u64 val64 = readq(&bar0->adapter_status); |
Sivakumar Subramani | 8a4bdba | 2007-09-18 18:14:20 -0400 | [diff] [blame] | 2142 | |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 2143 | herc = (sp->device_type == XFRAME_II_DEVICE); |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2144 | |
Tobias Klauser | f957bcf | 2009-06-04 23:07:59 +0000 | [diff] [blame] | 2145 | if (flag == false) { |
Auke Kok | 44c1013 | 2007-06-08 15:46:36 -0700 | [diff] [blame] | 2146 | if ((!herc && (sp->pdev->revision >= 4)) || herc) { |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 2147 | if (!(val64 & ADAPTER_STATUS_RMAC_PCC_IDLE)) |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 2148 | ret = 1; |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 2149 | } else { |
| 2150 | if (!(val64 & ADAPTER_STATUS_RMAC_PCC_FOUR_IDLE)) |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 2151 | ret = 1; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2152 | } |
| 2153 | } else { |
Auke Kok | 44c1013 | 2007-06-08 15:46:36 -0700 | [diff] [blame] | 2154 | if ((!herc && (sp->pdev->revision >= 4)) || herc) { |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 2155 | if (((val64 & ADAPTER_STATUS_RMAC_PCC_IDLE) == |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 2156 | ADAPTER_STATUS_RMAC_PCC_IDLE)) |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 2157 | ret = 1; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 2158 | } else { |
| 2159 | if (((val64 & ADAPTER_STATUS_RMAC_PCC_FOUR_IDLE) == |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 2160 | ADAPTER_STATUS_RMAC_PCC_FOUR_IDLE)) |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 2161 | ret = 1; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2162 | } |
| 2163 | } |
| 2164 | |
| 2165 | return ret; |
| 2166 | } |
| 2167 | /** |
| 2168 | * verify_xena_quiescence - Checks whether the H/W is ready |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2169 | * Description: Returns whether the H/W is ready to go or not. Depending |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2170 | * on whether adapter enable bit was written or not the comparison |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2171 | * differs and the calling function passes the input argument flag to |
| 2172 | * indicate this. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2173 | * Return: 1 If xena is quiescence |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2174 | * 0 If Xena is not quiescence |
| 2175 | */ |
| 2176 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2177 | static int verify_xena_quiescence(struct s2io_nic *sp) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2178 | { |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 2179 | int mode; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2180 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 2181 | u64 val64 = readq(&bar0->adapter_status); |
| 2182 | mode = s2io_verify_pci_mode(sp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2183 | |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 2184 | if (!(val64 & ADAPTER_STATUS_TDMA_READY)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 2185 | DBG_PRINT(ERR_DBG, "TDMA is not ready!\n"); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 2186 | return 0; |
| 2187 | } |
| 2188 | if (!(val64 & ADAPTER_STATUS_RDMA_READY)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 2189 | DBG_PRINT(ERR_DBG, "RDMA is not ready!\n"); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 2190 | return 0; |
| 2191 | } |
| 2192 | if (!(val64 & ADAPTER_STATUS_PFC_READY)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 2193 | DBG_PRINT(ERR_DBG, "PFC is not ready!\n"); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 2194 | return 0; |
| 2195 | } |
| 2196 | if (!(val64 & ADAPTER_STATUS_TMAC_BUF_EMPTY)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 2197 | DBG_PRINT(ERR_DBG, "TMAC BUF is not empty!\n"); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 2198 | return 0; |
| 2199 | } |
| 2200 | if (!(val64 & ADAPTER_STATUS_PIC_QUIESCENT)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 2201 | DBG_PRINT(ERR_DBG, "PIC is not QUIESCENT!\n"); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 2202 | return 0; |
| 2203 | } |
| 2204 | if (!(val64 & ADAPTER_STATUS_MC_DRAM_READY)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 2205 | DBG_PRINT(ERR_DBG, "MC_DRAM is not ready!\n"); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 2206 | return 0; |
| 2207 | } |
| 2208 | if (!(val64 & ADAPTER_STATUS_MC_QUEUES_READY)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 2209 | DBG_PRINT(ERR_DBG, "MC_QUEUES is not ready!\n"); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 2210 | return 0; |
| 2211 | } |
| 2212 | if (!(val64 & ADAPTER_STATUS_M_PLL_LOCK)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 2213 | DBG_PRINT(ERR_DBG, "M_PLL is not locked!\n"); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 2214 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2215 | } |
| 2216 | |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 2217 | /* |
| 2218 | * In PCI 33 mode, the P_PLL is not used, and therefore, |
| 2219 | * the the P_PLL_LOCK bit in the adapter_status register will |
| 2220 | * not be asserted. |
| 2221 | */ |
| 2222 | if (!(val64 & ADAPTER_STATUS_P_PLL_LOCK) && |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2223 | sp->device_type == XFRAME_II_DEVICE && |
| 2224 | mode != PCI_MODE_PCI_33) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 2225 | DBG_PRINT(ERR_DBG, "P_PLL is not locked!\n"); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 2226 | return 0; |
| 2227 | } |
| 2228 | if (!((val64 & ADAPTER_STATUS_RC_PRC_QUIESCENT) == |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2229 | ADAPTER_STATUS_RC_PRC_QUIESCENT)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 2230 | DBG_PRINT(ERR_DBG, "RC_PRC is not QUIESCENT!\n"); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 2231 | return 0; |
| 2232 | } |
| 2233 | return 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2234 | } |
| 2235 | |
| 2236 | /** |
| 2237 | * fix_mac_address - Fix for Mac addr problem on Alpha platforms |
| 2238 | * @sp: Pointer to device specifc structure |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2239 | * Description : |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2240 | * New procedure to clear mac address reading problems on Alpha platforms |
| 2241 | * |
| 2242 | */ |
| 2243 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2244 | static void fix_mac_address(struct s2io_nic *sp) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2245 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2246 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2247 | u64 val64; |
| 2248 | int i = 0; |
| 2249 | |
| 2250 | while (fix_mac[i] != END_SIGN) { |
| 2251 | writeq(fix_mac[i++], &bar0->gpio_control); |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2252 | udelay(10); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2253 | val64 = readq(&bar0->gpio_control); |
| 2254 | } |
| 2255 | } |
| 2256 | |
| 2257 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2258 | * start_nic - Turns the device on |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2259 | * @nic : device private variable. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2260 | * Description: |
| 2261 | * This function actually turns the device on. Before this function is |
| 2262 | * called,all Registers are configured from their reset states |
| 2263 | * and shared memory is allocated but the NIC is still quiescent. On |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2264 | * calling this function, the device interrupts are cleared and the NIC is |
| 2265 | * literally switched on by writing into the adapter control register. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2266 | * Return Value: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2267 | * SUCCESS on success and -1 on failure. |
| 2268 | */ |
| 2269 | |
| 2270 | static int start_nic(struct s2io_nic *nic) |
| 2271 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2272 | struct XENA_dev_config __iomem *bar0 = nic->bar0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2273 | struct net_device *dev = nic->dev; |
| 2274 | register u64 val64 = 0; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2275 | u16 subid, i; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 2276 | struct config_param *config = &nic->config; |
| 2277 | struct mac_info *mac_control = &nic->mac_control; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2278 | |
| 2279 | /* PRC Initialization and configuration */ |
| 2280 | for (i = 0; i < config->rx_ring_num; i++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 2281 | struct ring_info *ring = &mac_control->rings[i]; |
| 2282 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2283 | writeq((u64)ring->rx_blocks[0].block_dma_addr, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2284 | &bar0->prc_rxd0_n[i]); |
| 2285 | |
| 2286 | val64 = readq(&bar0->prc_ctrl_n[i]); |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2287 | if (nic->rxd_mode == RXD_MODE_1) |
| 2288 | val64 |= PRC_CTRL_RC_ENABLED; |
| 2289 | else |
| 2290 | val64 |= PRC_CTRL_RC_ENABLED | PRC_CTRL_RING_MODE_3; |
Ananda Raju | 863c11a | 2006-04-21 19:03:13 -0400 | [diff] [blame] | 2291 | if (nic->device_type == XFRAME_II_DEVICE) |
| 2292 | val64 |= PRC_CTRL_GROUP_READS; |
| 2293 | val64 &= ~PRC_CTRL_RXD_BACKOFF_INTERVAL(0xFFFFFF); |
| 2294 | val64 |= PRC_CTRL_RXD_BACKOFF_INTERVAL(0x1000); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2295 | writeq(val64, &bar0->prc_ctrl_n[i]); |
| 2296 | } |
| 2297 | |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2298 | if (nic->rxd_mode == RXD_MODE_3B) { |
| 2299 | /* Enabling 2 buffer mode by writing into Rx_pa_cfg reg. */ |
| 2300 | val64 = readq(&bar0->rx_pa_cfg); |
| 2301 | val64 |= RX_PA_CFG_IGNORE_L2_ERR; |
| 2302 | writeq(val64, &bar0->rx_pa_cfg); |
| 2303 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2304 | |
Sivakumar Subramani | 926930b | 2007-02-24 01:59:39 -0500 | [diff] [blame] | 2305 | if (vlan_tag_strip == 0) { |
| 2306 | val64 = readq(&bar0->rx_pa_cfg); |
| 2307 | val64 &= ~RX_PA_CFG_STRIP_VLAN_TAG; |
| 2308 | writeq(val64, &bar0->rx_pa_cfg); |
Breno Leitao | cd0fce0 | 2008-09-04 17:52:54 -0300 | [diff] [blame] | 2309 | nic->vlan_strip_flag = 0; |
Sivakumar Subramani | 926930b | 2007-02-24 01:59:39 -0500 | [diff] [blame] | 2310 | } |
| 2311 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2312 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2313 | * Enabling MC-RLDRAM. After enabling the device, we timeout |
| 2314 | * for around 100ms, which is approximately the time required |
| 2315 | * for the device to be ready for operation. |
| 2316 | */ |
| 2317 | val64 = readq(&bar0->mc_rldram_mrs); |
| 2318 | val64 |= MC_RLDRAM_QUEUE_SIZE_ENABLE | MC_RLDRAM_MRS_ENABLE; |
| 2319 | SPECIAL_REG_WRITE(val64, &bar0->mc_rldram_mrs, UF); |
| 2320 | val64 = readq(&bar0->mc_rldram_mrs); |
| 2321 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2322 | msleep(100); /* Delay by around 100 ms. */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2323 | |
| 2324 | /* Enabling ECC Protection. */ |
| 2325 | val64 = readq(&bar0->adapter_control); |
| 2326 | val64 &= ~ADAPTER_ECC_EN; |
| 2327 | writeq(val64, &bar0->adapter_control); |
| 2328 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2329 | /* |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2330 | * Verify if the device is ready to be enabled, if so enable |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2331 | * it. |
| 2332 | */ |
| 2333 | val64 = readq(&bar0->adapter_status); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 2334 | if (!verify_xena_quiescence(nic)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 2335 | DBG_PRINT(ERR_DBG, "%s: device is not ready, " |
| 2336 | "Adapter status reads: 0x%llx\n", |
| 2337 | dev->name, (unsigned long long)val64); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2338 | return FAILURE; |
| 2339 | } |
| 2340 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2341 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2342 | * With some switches, link might be already up at this point. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2343 | * Because of this weird behavior, when we enable laser, |
| 2344 | * we may not get link. We need to handle this. We cannot |
| 2345 | * figure out which switch is misbehaving. So we are forced to |
| 2346 | * make a global change. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2347 | */ |
| 2348 | |
| 2349 | /* Enabling Laser. */ |
| 2350 | val64 = readq(&bar0->adapter_control); |
| 2351 | val64 |= ADAPTER_EOI_TX_ON; |
| 2352 | writeq(val64, &bar0->adapter_control); |
| 2353 | |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 2354 | if (s2io_link_fault_indication(nic) == MAC_RMAC_ERR_TIMER) { |
| 2355 | /* |
| 2356 | * Dont see link state interrupts initally on some switches, |
| 2357 | * so directly scheduling the link state task here. |
| 2358 | */ |
| 2359 | schedule_work(&nic->set_link_task); |
| 2360 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2361 | /* SXE-002: Initialize link and activity LED */ |
| 2362 | subid = nic->pdev->subsystem_device; |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 2363 | if (((subid & 0xFF) >= 0x07) && |
| 2364 | (nic->device_type == XFRAME_I_DEVICE)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2365 | val64 = readq(&bar0->gpio_control); |
| 2366 | val64 |= 0x0000800000000000ULL; |
| 2367 | writeq(val64, &bar0->gpio_control); |
| 2368 | val64 = 0x0411040400000000ULL; |
viro@ftp.linux.org.uk | 509a267 | 2005-09-05 03:25:58 +0100 | [diff] [blame] | 2369 | writeq(val64, (void __iomem *)bar0 + 0x2700); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2370 | } |
| 2371 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2372 | return SUCCESS; |
| 2373 | } |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 2374 | /** |
| 2375 | * s2io_txdl_getskb - Get the skb from txdl, unmap and return skb |
| 2376 | */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2377 | static struct sk_buff *s2io_txdl_getskb(struct fifo_info *fifo_data, |
| 2378 | struct TxD *txdlp, int get_off) |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 2379 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2380 | struct s2io_nic *nic = fifo_data->nic; |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 2381 | struct sk_buff *skb; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2382 | struct TxD *txds; |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 2383 | u16 j, frg_cnt; |
| 2384 | |
| 2385 | txds = txdlp; |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 2386 | if (txds->Host_Control == (u64)(long)fifo_data->ufo_in_band_v) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2387 | pci_unmap_single(nic->pdev, (dma_addr_t)txds->Buffer_Pointer, |
| 2388 | sizeof(u64), PCI_DMA_TODEVICE); |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 2389 | txds++; |
| 2390 | } |
| 2391 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2392 | skb = (struct sk_buff *)((unsigned long)txds->Host_Control); |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 2393 | if (!skb) { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2394 | memset(txdlp, 0, (sizeof(struct TxD) * fifo_data->max_txds)); |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 2395 | return NULL; |
| 2396 | } |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2397 | pci_unmap_single(nic->pdev, (dma_addr_t)txds->Buffer_Pointer, |
Eric Dumazet | e743d31 | 2010-04-14 15:59:40 -0700 | [diff] [blame] | 2398 | skb_headlen(skb), PCI_DMA_TODEVICE); |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 2399 | frg_cnt = skb_shinfo(skb)->nr_frags; |
| 2400 | if (frg_cnt) { |
| 2401 | txds++; |
| 2402 | for (j = 0; j < frg_cnt; j++, txds++) { |
| 2403 | skb_frag_t *frag = &skb_shinfo(skb)->frags[j]; |
| 2404 | if (!txds->Buffer_Pointer) |
| 2405 | break; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2406 | pci_unmap_page(nic->pdev, |
| 2407 | (dma_addr_t)txds->Buffer_Pointer, |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 2408 | frag->size, PCI_DMA_TODEVICE); |
| 2409 | } |
| 2410 | } |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2411 | memset(txdlp, 0, (sizeof(struct TxD) * fifo_data->max_txds)); |
| 2412 | return skb; |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 2413 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2414 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2415 | /** |
| 2416 | * free_tx_buffers - Free all queued Tx buffers |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2417 | * @nic : device private variable. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2418 | * Description: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2419 | * Free all queued Tx buffers. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2420 | * Return Value: void |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2421 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2422 | |
| 2423 | static void free_tx_buffers(struct s2io_nic *nic) |
| 2424 | { |
| 2425 | struct net_device *dev = nic->dev; |
| 2426 | struct sk_buff *skb; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2427 | struct TxD *txdp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2428 | int i, j; |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 2429 | int cnt = 0; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 2430 | struct config_param *config = &nic->config; |
| 2431 | struct mac_info *mac_control = &nic->mac_control; |
| 2432 | struct stat_block *stats = mac_control->stats_info; |
| 2433 | struct swStat *swstats = &stats->sw_stat; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2434 | |
| 2435 | for (i = 0; i < config->tx_fifo_num; i++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 2436 | struct tx_fifo_config *tx_cfg = &config->tx_cfg[i]; |
| 2437 | struct fifo_info *fifo = &mac_control->fifos[i]; |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 2438 | unsigned long flags; |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 2439 | |
| 2440 | spin_lock_irqsave(&fifo->tx_lock, flags); |
| 2441 | for (j = 0; j < tx_cfg->fifo_len; j++) { |
| 2442 | txdp = (struct TxD *)fifo->list_info[j].list_virt_addr; |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 2443 | skb = s2io_txdl_getskb(&mac_control->fifos[i], txdp, j); |
| 2444 | if (skb) { |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 2445 | swstats->mem_freed += skb->truesize; |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 2446 | dev_kfree_skb(skb); |
| 2447 | cnt++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2448 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2449 | } |
| 2450 | DBG_PRINT(INTR_DBG, |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 2451 | "%s: forcibly freeing %d skbs on FIFO%d\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2452 | dev->name, cnt, i); |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 2453 | fifo->tx_curr_get_info.offset = 0; |
| 2454 | fifo->tx_curr_put_info.offset = 0; |
| 2455 | spin_unlock_irqrestore(&fifo->tx_lock, flags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2456 | } |
| 2457 | } |
| 2458 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2459 | /** |
| 2460 | * stop_nic - To stop the nic |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2461 | * @nic ; device private variable. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2462 | * Description: |
| 2463 | * This function does exactly the opposite of what the start_nic() |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2464 | * function does. This function is called to stop the device. |
| 2465 | * Return Value: |
| 2466 | * void. |
| 2467 | */ |
| 2468 | |
| 2469 | static void stop_nic(struct s2io_nic *nic) |
| 2470 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2471 | struct XENA_dev_config __iomem *bar0 = nic->bar0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2472 | register u64 val64 = 0; |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 2473 | u16 interruptible; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2474 | |
| 2475 | /* Disable all interrupts */ |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 2476 | en_dis_err_alarms(nic, ENA_ALL_INTRS, DISABLE_INTRS); |
ravinandan.arakali@neterion.com | e960fc5 | 2005-08-12 10:15:59 -0700 | [diff] [blame] | 2477 | interruptible = TX_TRAFFIC_INTR | RX_TRAFFIC_INTR; |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 2478 | interruptible |= TX_PIC_INTR; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2479 | en_dis_able_nic_intrs(nic, interruptible, DISABLE_INTRS); |
| 2480 | |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 2481 | /* Clearing Adapter_En bit of ADAPTER_CONTROL Register */ |
| 2482 | val64 = readq(&bar0->adapter_control); |
| 2483 | val64 &= ~(ADAPTER_CNTL_EN); |
| 2484 | writeq(val64, &bar0->adapter_control); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2485 | } |
| 2486 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2487 | /** |
| 2488 | * fill_rx_buffers - Allocates the Rx side skbs |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2489 | * @ring_info: per ring structure |
Sreenivasa Honnur | 3f78d88 | 2008-07-09 23:47:46 -0400 | [diff] [blame] | 2490 | * @from_card_up: If this is true, we will map the buffer to get |
| 2491 | * the dma address for buf0 and buf1 to give it to the card. |
| 2492 | * Else we will sync the already mapped buffer to give it to the card. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2493 | * Description: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2494 | * The function allocates Rx side skbs and puts the physical |
| 2495 | * address of these buffers into the RxD buffer pointers, so that the NIC |
| 2496 | * can DMA the received frame into these locations. |
| 2497 | * The NIC supports 3 receive modes, viz |
| 2498 | * 1. single buffer, |
| 2499 | * 2. three buffer and |
| 2500 | * 3. Five buffer modes. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2501 | * Each mode defines how many fragments the received frame will be split |
| 2502 | * up into by the NIC. The frame is split into L3 header, L4 Header, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2503 | * L4 payload in three buffer mode and in 5 buffer mode, L4 payload itself |
| 2504 | * is split into 3 fragments. As of now only single buffer mode is |
| 2505 | * supported. |
| 2506 | * Return Value: |
| 2507 | * SUCCESS on success or an appropriate -ve value on failure. |
| 2508 | */ |
FUJITA Tomonori | 8d8bb39 | 2008-07-25 19:44:49 -0700 | [diff] [blame] | 2509 | static int fill_rx_buffers(struct s2io_nic *nic, struct ring_info *ring, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2510 | int from_card_up) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2511 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2512 | struct sk_buff *skb; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2513 | struct RxD_t *rxdp; |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2514 | int off, size, block_no, block_no1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2515 | u32 alloc_tab = 0; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2516 | u32 alloc_cnt; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2517 | u64 tmp; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2518 | struct buffAdd *ba; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2519 | struct RxD_t *first_rxdp = NULL; |
Ramkrishna Vepa | 363dc36 | 2007-03-06 17:01:00 -0800 | [diff] [blame] | 2520 | u64 Buffer0_ptr = 0, Buffer1_ptr = 0; |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2521 | int rxd_index = 0; |
Veena Parat | 6d517a2 | 2007-07-23 02:20:51 -0400 | [diff] [blame] | 2522 | struct RxD1 *rxdp1; |
| 2523 | struct RxD3 *rxdp3; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 2524 | struct swStat *swstats = &ring->nic->mac_control.stats_info->sw_stat; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2525 | |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2526 | alloc_cnt = ring->pkt_cnt - ring->rx_bufs_left; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2527 | |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2528 | block_no1 = ring->rx_curr_get_info.block_index; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2529 | while (alloc_tab < alloc_cnt) { |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2530 | block_no = ring->rx_curr_put_info.block_index; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2531 | |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2532 | off = ring->rx_curr_put_info.offset; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2533 | |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2534 | rxdp = ring->rx_blocks[block_no].rxds[off].virt_addr; |
| 2535 | |
| 2536 | rxd_index = off + 1; |
| 2537 | if (block_no) |
| 2538 | rxd_index += (block_no * ring->rxd_count); |
| 2539 | |
Jeff Garzik | 7d2e3cb | 2008-05-13 01:41:58 -0400 | [diff] [blame] | 2540 | if ((block_no == block_no1) && |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2541 | (off == ring->rx_curr_get_info.offset) && |
| 2542 | (rxdp->Host_Control)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 2543 | DBG_PRINT(INTR_DBG, "%s: Get and Put info equated\n", |
| 2544 | ring->dev->name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2545 | goto end; |
| 2546 | } |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2547 | if (off && (off == ring->rxd_count)) { |
| 2548 | ring->rx_curr_put_info.block_index++; |
| 2549 | if (ring->rx_curr_put_info.block_index == |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2550 | ring->block_count) |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2551 | ring->rx_curr_put_info.block_index = 0; |
| 2552 | block_no = ring->rx_curr_put_info.block_index; |
| 2553 | off = 0; |
| 2554 | ring->rx_curr_put_info.offset = off; |
| 2555 | rxdp = ring->rx_blocks[block_no].block_virt_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2556 | DBG_PRINT(INTR_DBG, "%s: Next block at: %p\n", |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2557 | ring->dev->name, rxdp); |
| 2558 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2559 | } |
Sreenivasa Honnur | c9fcbf4 | 2008-04-23 13:31:33 -0400 | [diff] [blame] | 2560 | |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2561 | if ((rxdp->Control_1 & RXD_OWN_XENA) && |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2562 | ((ring->rxd_mode == RXD_MODE_3B) && |
| 2563 | (rxdp->Control_2 & s2BIT(0)))) { |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2564 | ring->rx_curr_put_info.offset = off; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2565 | goto end; |
| 2566 | } |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2567 | /* calculate size of skb based on ring mode */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2568 | size = ring->mtu + |
| 2569 | HEADER_ETHERNET_II_802_3_SIZE + |
| 2570 | HEADER_802_2_SIZE + HEADER_SNAP_SIZE; |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2571 | if (ring->rxd_mode == RXD_MODE_1) |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2572 | size += NET_IP_ALIGN; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2573 | else |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2574 | size = ring->mtu + ALIGN_SIZE + BUF0_LEN + 4; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2575 | |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2576 | /* allocate skb */ |
| 2577 | skb = dev_alloc_skb(size); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2578 | if (!skb) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 2579 | DBG_PRINT(INFO_DBG, "%s: Could not allocate skb\n", |
| 2580 | ring->dev->name); |
raghavendra.koushik@neterion.com | 303bcb4 | 2005-08-03 12:41:38 -0700 | [diff] [blame] | 2581 | if (first_rxdp) { |
| 2582 | wmb(); |
| 2583 | first_rxdp->Control_1 |= RXD_OWN_XENA; |
| 2584 | } |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 2585 | swstats->mem_alloc_fail_cnt++; |
Jeff Garzik | 7d2e3cb | 2008-05-13 01:41:58 -0400 | [diff] [blame] | 2586 | |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2587 | return -ENOMEM ; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2588 | } |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 2589 | swstats->mem_allocated += skb->truesize; |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2590 | |
| 2591 | if (ring->rxd_mode == RXD_MODE_1) { |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2592 | /* 1 buffer mode - normal operation mode */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2593 | rxdp1 = (struct RxD1 *)rxdp; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2594 | memset(rxdp, 0, sizeof(struct RxD1)); |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2595 | skb_reserve(skb, NET_IP_ALIGN); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2596 | rxdp1->Buffer0_ptr = |
| 2597 | pci_map_single(ring->pdev, skb->data, |
| 2598 | size - NET_IP_ALIGN, |
| 2599 | PCI_DMA_FROMDEVICE); |
FUJITA Tomonori | 8d8bb39 | 2008-07-25 19:44:49 -0700 | [diff] [blame] | 2600 | if (pci_dma_mapping_error(nic->pdev, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2601 | rxdp1->Buffer0_ptr)) |
Veena Parat | 491abf2 | 2007-07-23 02:37:14 -0400 | [diff] [blame] | 2602 | goto pci_map_failed; |
| 2603 | |
Sivakumar Subramani | 8a4bdba | 2007-09-18 18:14:20 -0400 | [diff] [blame] | 2604 | rxdp->Control_2 = |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 2605 | SET_BUFFER0_SIZE_1(size - NET_IP_ALIGN); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2606 | rxdp->Host_Control = (unsigned long)skb; |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2607 | } else if (ring->rxd_mode == RXD_MODE_3B) { |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2608 | /* |
Veena Parat | 6d517a2 | 2007-07-23 02:20:51 -0400 | [diff] [blame] | 2609 | * 2 buffer mode - |
| 2610 | * 2 buffer mode provides 128 |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2611 | * byte aligned receive buffers. |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2612 | */ |
| 2613 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2614 | rxdp3 = (struct RxD3 *)rxdp; |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 2615 | /* save buffer pointers to avoid frequent dma mapping */ |
Veena Parat | 6d517a2 | 2007-07-23 02:20:51 -0400 | [diff] [blame] | 2616 | Buffer0_ptr = rxdp3->Buffer0_ptr; |
| 2617 | Buffer1_ptr = rxdp3->Buffer1_ptr; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2618 | memset(rxdp, 0, sizeof(struct RxD3)); |
Ramkrishna Vepa | 363dc36 | 2007-03-06 17:01:00 -0800 | [diff] [blame] | 2619 | /* restore the buffer pointers for dma sync*/ |
Veena Parat | 6d517a2 | 2007-07-23 02:20:51 -0400 | [diff] [blame] | 2620 | rxdp3->Buffer0_ptr = Buffer0_ptr; |
| 2621 | rxdp3->Buffer1_ptr = Buffer1_ptr; |
Ramkrishna Vepa | 363dc36 | 2007-03-06 17:01:00 -0800 | [diff] [blame] | 2622 | |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2623 | ba = &ring->ba[block_no][off]; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2624 | skb_reserve(skb, BUF0_LEN); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2625 | tmp = (u64)(unsigned long)skb->data; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2626 | tmp += ALIGN_SIZE; |
| 2627 | tmp &= ~ALIGN_SIZE; |
| 2628 | skb->data = (void *) (unsigned long)tmp; |
Arnaldo Carvalho de Melo | 27a884d | 2007-04-19 20:29:13 -0700 | [diff] [blame] | 2629 | skb_reset_tail_pointer(skb); |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2630 | |
Sreenivasa Honnur | 3f78d88 | 2008-07-09 23:47:46 -0400 | [diff] [blame] | 2631 | if (from_card_up) { |
Veena Parat | 6d517a2 | 2007-07-23 02:20:51 -0400 | [diff] [blame] | 2632 | rxdp3->Buffer0_ptr = |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2633 | pci_map_single(ring->pdev, ba->ba_0, |
| 2634 | BUF0_LEN, |
| 2635 | PCI_DMA_FROMDEVICE); |
| 2636 | if (pci_dma_mapping_error(nic->pdev, |
| 2637 | rxdp3->Buffer0_ptr)) |
Sreenivasa Honnur | 3f78d88 | 2008-07-09 23:47:46 -0400 | [diff] [blame] | 2638 | goto pci_map_failed; |
| 2639 | } else |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2640 | pci_dma_sync_single_for_device(ring->pdev, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2641 | (dma_addr_t)rxdp3->Buffer0_ptr, |
| 2642 | BUF0_LEN, |
| 2643 | PCI_DMA_FROMDEVICE); |
Veena Parat | 491abf2 | 2007-07-23 02:37:14 -0400 | [diff] [blame] | 2644 | |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2645 | rxdp->Control_2 = SET_BUFFER0_SIZE_3(BUF0_LEN); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2646 | if (ring->rxd_mode == RXD_MODE_3B) { |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2647 | /* Two buffer mode */ |
| 2648 | |
| 2649 | /* |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 2650 | * Buffer2 will have L3/L4 header plus |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2651 | * L4 payload |
| 2652 | */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2653 | rxdp3->Buffer2_ptr = pci_map_single(ring->pdev, |
| 2654 | skb->data, |
| 2655 | ring->mtu + 4, |
| 2656 | PCI_DMA_FROMDEVICE); |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2657 | |
FUJITA Tomonori | 8d8bb39 | 2008-07-25 19:44:49 -0700 | [diff] [blame] | 2658 | if (pci_dma_mapping_error(nic->pdev, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2659 | rxdp3->Buffer2_ptr)) |
Veena Parat | 491abf2 | 2007-07-23 02:37:14 -0400 | [diff] [blame] | 2660 | goto pci_map_failed; |
| 2661 | |
Sreenivasa Honnur | 3f78d88 | 2008-07-09 23:47:46 -0400 | [diff] [blame] | 2662 | if (from_card_up) { |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2663 | rxdp3->Buffer1_ptr = |
| 2664 | pci_map_single(ring->pdev, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2665 | ba->ba_1, |
| 2666 | BUF1_LEN, |
| 2667 | PCI_DMA_FROMDEVICE); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2668 | |
FUJITA Tomonori | 8d8bb39 | 2008-07-25 19:44:49 -0700 | [diff] [blame] | 2669 | if (pci_dma_mapping_error(nic->pdev, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2670 | rxdp3->Buffer1_ptr)) { |
| 2671 | pci_unmap_single(ring->pdev, |
| 2672 | (dma_addr_t)(unsigned long) |
| 2673 | skb->data, |
| 2674 | ring->mtu + 4, |
| 2675 | PCI_DMA_FROMDEVICE); |
Sreenivasa Honnur | 3f78d88 | 2008-07-09 23:47:46 -0400 | [diff] [blame] | 2676 | goto pci_map_failed; |
| 2677 | } |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 2678 | } |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2679 | rxdp->Control_2 |= SET_BUFFER1_SIZE_3(1); |
| 2680 | rxdp->Control_2 |= SET_BUFFER2_SIZE_3 |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2681 | (ring->mtu + 4); |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2682 | } |
Jiri Slaby | b7b5a12 | 2007-10-18 23:40:29 -0700 | [diff] [blame] | 2683 | rxdp->Control_2 |= s2BIT(0); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2684 | rxdp->Host_Control = (unsigned long) (skb); |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2685 | } |
raghavendra.koushik@neterion.com | 303bcb4 | 2005-08-03 12:41:38 -0700 | [diff] [blame] | 2686 | if (alloc_tab & ((1 << rxsync_frequency) - 1)) |
| 2687 | rxdp->Control_1 |= RXD_OWN_XENA; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2688 | off++; |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2689 | if (off == (ring->rxd_count + 1)) |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2690 | off = 0; |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2691 | ring->rx_curr_put_info.offset = off; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2692 | |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 2693 | rxdp->Control_2 |= SET_RXD_MARKER; |
raghavendra.koushik@neterion.com | 303bcb4 | 2005-08-03 12:41:38 -0700 | [diff] [blame] | 2694 | if (!(alloc_tab & ((1 << rxsync_frequency) - 1))) { |
| 2695 | if (first_rxdp) { |
| 2696 | wmb(); |
| 2697 | first_rxdp->Control_1 |= RXD_OWN_XENA; |
| 2698 | } |
| 2699 | first_rxdp = rxdp; |
| 2700 | } |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2701 | ring->rx_bufs_left += 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2702 | alloc_tab++; |
| 2703 | } |
| 2704 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2705 | end: |
raghavendra.koushik@neterion.com | 303bcb4 | 2005-08-03 12:41:38 -0700 | [diff] [blame] | 2706 | /* Transfer ownership of first descriptor to adapter just before |
| 2707 | * exiting. Before that, use memory barrier so that ownership |
| 2708 | * and other fields are seen by adapter correctly. |
| 2709 | */ |
| 2710 | if (first_rxdp) { |
| 2711 | wmb(); |
| 2712 | first_rxdp->Control_1 |= RXD_OWN_XENA; |
| 2713 | } |
| 2714 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2715 | return SUCCESS; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2716 | |
Veena Parat | 491abf2 | 2007-07-23 02:37:14 -0400 | [diff] [blame] | 2717 | pci_map_failed: |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 2718 | swstats->pci_map_fail_cnt++; |
| 2719 | swstats->mem_freed += skb->truesize; |
Veena Parat | 491abf2 | 2007-07-23 02:37:14 -0400 | [diff] [blame] | 2720 | dev_kfree_skb_irq(skb); |
| 2721 | return -ENOMEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2722 | } |
| 2723 | |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2724 | static void free_rxd_blk(struct s2io_nic *sp, int ring_no, int blk) |
| 2725 | { |
| 2726 | struct net_device *dev = sp->dev; |
| 2727 | int j; |
| 2728 | struct sk_buff *skb; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2729 | struct RxD_t *rxdp; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2730 | struct buffAdd *ba; |
Veena Parat | 6d517a2 | 2007-07-23 02:20:51 -0400 | [diff] [blame] | 2731 | struct RxD1 *rxdp1; |
| 2732 | struct RxD3 *rxdp3; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 2733 | struct mac_info *mac_control = &sp->mac_control; |
| 2734 | struct stat_block *stats = mac_control->stats_info; |
| 2735 | struct swStat *swstats = &stats->sw_stat; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2736 | |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2737 | for (j = 0 ; j < rxd_count[sp->rxd_mode]; j++) { |
| 2738 | rxdp = mac_control->rings[ring_no]. |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2739 | rx_blocks[blk].rxds[j].virt_addr; |
| 2740 | skb = (struct sk_buff *)((unsigned long)rxdp->Host_Control); |
| 2741 | if (!skb) |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2742 | continue; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2743 | if (sp->rxd_mode == RXD_MODE_1) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2744 | rxdp1 = (struct RxD1 *)rxdp; |
| 2745 | pci_unmap_single(sp->pdev, |
| 2746 | (dma_addr_t)rxdp1->Buffer0_ptr, |
| 2747 | dev->mtu + |
| 2748 | HEADER_ETHERNET_II_802_3_SIZE + |
| 2749 | HEADER_802_2_SIZE + HEADER_SNAP_SIZE, |
| 2750 | PCI_DMA_FROMDEVICE); |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2751 | memset(rxdp, 0, sizeof(struct RxD1)); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2752 | } else if (sp->rxd_mode == RXD_MODE_3B) { |
| 2753 | rxdp3 = (struct RxD3 *)rxdp; |
| 2754 | ba = &mac_control->rings[ring_no].ba[blk][j]; |
| 2755 | pci_unmap_single(sp->pdev, |
| 2756 | (dma_addr_t)rxdp3->Buffer0_ptr, |
| 2757 | BUF0_LEN, |
| 2758 | PCI_DMA_FROMDEVICE); |
| 2759 | pci_unmap_single(sp->pdev, |
| 2760 | (dma_addr_t)rxdp3->Buffer1_ptr, |
| 2761 | BUF1_LEN, |
| 2762 | PCI_DMA_FROMDEVICE); |
| 2763 | pci_unmap_single(sp->pdev, |
| 2764 | (dma_addr_t)rxdp3->Buffer2_ptr, |
| 2765 | dev->mtu + 4, |
| 2766 | PCI_DMA_FROMDEVICE); |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2767 | memset(rxdp, 0, sizeof(struct RxD3)); |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2768 | } |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 2769 | swstats->mem_freed += skb->truesize; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2770 | dev_kfree_skb(skb); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2771 | mac_control->rings[ring_no].rx_bufs_left -= 1; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2772 | } |
| 2773 | } |
| 2774 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2775 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2776 | * free_rx_buffers - Frees all Rx buffers |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2777 | * @sp: device private variable. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2778 | * Description: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2779 | * This function will free all Rx buffers allocated by host. |
| 2780 | * Return Value: |
| 2781 | * NONE. |
| 2782 | */ |
| 2783 | |
| 2784 | static void free_rx_buffers(struct s2io_nic *sp) |
| 2785 | { |
| 2786 | struct net_device *dev = sp->dev; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2787 | int i, blk = 0, buf_cnt = 0; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 2788 | struct config_param *config = &sp->config; |
| 2789 | struct mac_info *mac_control = &sp->mac_control; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2790 | |
| 2791 | for (i = 0; i < config->rx_ring_num; i++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 2792 | struct ring_info *ring = &mac_control->rings[i]; |
| 2793 | |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2794 | for (blk = 0; blk < rx_ring_sz[i]; blk++) |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2795 | free_rxd_blk(sp, i, blk); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2796 | |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 2797 | ring->rx_curr_put_info.block_index = 0; |
| 2798 | ring->rx_curr_get_info.block_index = 0; |
| 2799 | ring->rx_curr_put_info.offset = 0; |
| 2800 | ring->rx_curr_get_info.offset = 0; |
| 2801 | ring->rx_bufs_left = 0; |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 2802 | DBG_PRINT(INIT_DBG, "%s: Freed 0x%x Rx Buffers on ring%d\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2803 | dev->name, buf_cnt, i); |
| 2804 | } |
| 2805 | } |
| 2806 | |
FUJITA Tomonori | 8d8bb39 | 2008-07-25 19:44:49 -0700 | [diff] [blame] | 2807 | static int s2io_chk_rx_buffers(struct s2io_nic *nic, struct ring_info *ring) |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 2808 | { |
FUJITA Tomonori | 8d8bb39 | 2008-07-25 19:44:49 -0700 | [diff] [blame] | 2809 | if (fill_rx_buffers(nic, ring, 0) == -ENOMEM) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 2810 | DBG_PRINT(INFO_DBG, "%s: Out of memory in Rx Intr!!\n", |
| 2811 | ring->dev->name); |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 2812 | } |
| 2813 | return 0; |
| 2814 | } |
| 2815 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2816 | /** |
| 2817 | * s2io_poll - Rx interrupt handler for NAPI support |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 2818 | * @napi : pointer to the napi structure. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2819 | * @budget : The number of packets that were budgeted to be processed |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2820 | * during one pass through the 'Poll" function. |
| 2821 | * Description: |
| 2822 | * Comes into picture only if NAPI support has been incorporated. It does |
| 2823 | * the same thing that rx_intr_handler does, but not in a interrupt context |
| 2824 | * also It will process only a given number of packets. |
| 2825 | * Return value: |
| 2826 | * 0 on success and 1 if there are No Rx packets to be processed. |
| 2827 | */ |
| 2828 | |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 2829 | static int s2io_poll_msix(struct napi_struct *napi, int budget) |
| 2830 | { |
| 2831 | struct ring_info *ring = container_of(napi, struct ring_info, napi); |
| 2832 | struct net_device *dev = ring->dev; |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 2833 | int pkts_processed = 0; |
Al Viro | 1a79d1c | 2008-06-02 10:59:02 +0100 | [diff] [blame] | 2834 | u8 __iomem *addr = NULL; |
| 2835 | u8 val8 = 0; |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 2836 | struct s2io_nic *nic = netdev_priv(dev); |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 2837 | struct XENA_dev_config __iomem *bar0 = nic->bar0; |
| 2838 | int budget_org = budget; |
| 2839 | |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 2840 | if (unlikely(!is_s2io_card_up(nic))) |
| 2841 | return 0; |
| 2842 | |
| 2843 | pkts_processed = rx_intr_handler(ring, budget); |
FUJITA Tomonori | 8d8bb39 | 2008-07-25 19:44:49 -0700 | [diff] [blame] | 2844 | s2io_chk_rx_buffers(nic, ring); |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 2845 | |
| 2846 | if (pkts_processed < budget_org) { |
Ben Hutchings | 288379f | 2009-01-19 16:43:59 -0800 | [diff] [blame] | 2847 | napi_complete(napi); |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 2848 | /*Re Enable MSI-Rx Vector*/ |
Al Viro | 1a79d1c | 2008-06-02 10:59:02 +0100 | [diff] [blame] | 2849 | addr = (u8 __iomem *)&bar0->xmsi_mask_reg; |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 2850 | addr += 7 - ring->ring_no; |
| 2851 | val8 = (ring->ring_no == 0) ? 0x3f : 0xbf; |
| 2852 | writeb(val8, addr); |
| 2853 | val8 = readb(addr); |
| 2854 | } |
| 2855 | return pkts_processed; |
| 2856 | } |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2857 | |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 2858 | static int s2io_poll_inta(struct napi_struct *napi, int budget) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2859 | { |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 2860 | struct s2io_nic *nic = container_of(napi, struct s2io_nic, napi); |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 2861 | int pkts_processed = 0; |
| 2862 | int ring_pkts_processed, i; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2863 | struct XENA_dev_config __iomem *bar0 = nic->bar0; |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 2864 | int budget_org = budget; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 2865 | struct config_param *config = &nic->config; |
| 2866 | struct mac_info *mac_control = &nic->mac_control; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2867 | |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 2868 | if (unlikely(!is_s2io_card_up(nic))) |
| 2869 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2870 | |
| 2871 | for (i = 0; i < config->rx_ring_num; i++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 2872 | struct ring_info *ring = &mac_control->rings[i]; |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 2873 | ring_pkts_processed = rx_intr_handler(ring, budget); |
FUJITA Tomonori | 8d8bb39 | 2008-07-25 19:44:49 -0700 | [diff] [blame] | 2874 | s2io_chk_rx_buffers(nic, ring); |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 2875 | pkts_processed += ring_pkts_processed; |
| 2876 | budget -= ring_pkts_processed; |
| 2877 | if (budget <= 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2878 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2879 | } |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 2880 | if (pkts_processed < budget_org) { |
Ben Hutchings | 288379f | 2009-01-19 16:43:59 -0800 | [diff] [blame] | 2881 | napi_complete(napi); |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 2882 | /* Re enable the Rx interrupts for the ring */ |
| 2883 | writeq(0, &bar0->rx_traffic_mask); |
| 2884 | readl(&bar0->rx_traffic_mask); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2885 | } |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 2886 | return pkts_processed; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2887 | } |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2888 | |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 2889 | #ifdef CONFIG_NET_POLL_CONTROLLER |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2890 | /** |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 2891 | * s2io_netpoll - netpoll event handler entry point |
Brian Haley | 612eff0 | 2006-06-15 14:36:36 -0400 | [diff] [blame] | 2892 | * @dev : pointer to the device structure. |
| 2893 | * Description: |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 2894 | * This function will be called by upper layer to check for events on the |
| 2895 | * interface in situations where interrupts are disabled. It is used for |
| 2896 | * specific in-kernel networking tasks, such as remote consoles and kernel |
| 2897 | * debugging over the network (example netdump in RedHat). |
Brian Haley | 612eff0 | 2006-06-15 14:36:36 -0400 | [diff] [blame] | 2898 | */ |
Brian Haley | 612eff0 | 2006-06-15 14:36:36 -0400 | [diff] [blame] | 2899 | static void s2io_netpoll(struct net_device *dev) |
| 2900 | { |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 2901 | struct s2io_nic *nic = netdev_priv(dev); |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2902 | struct XENA_dev_config __iomem *bar0 = nic->bar0; |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 2903 | u64 val64 = 0xFFFFFFFFFFFFFFFFULL; |
Brian Haley | 612eff0 | 2006-06-15 14:36:36 -0400 | [diff] [blame] | 2904 | int i; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 2905 | struct config_param *config = &nic->config; |
| 2906 | struct mac_info *mac_control = &nic->mac_control; |
Brian Haley | 612eff0 | 2006-06-15 14:36:36 -0400 | [diff] [blame] | 2907 | |
Linas Vepstas | d796fdb | 2007-05-14 18:37:30 -0500 | [diff] [blame] | 2908 | if (pci_channel_offline(nic->pdev)) |
| 2909 | return; |
| 2910 | |
Brian Haley | 612eff0 | 2006-06-15 14:36:36 -0400 | [diff] [blame] | 2911 | disable_irq(dev->irq); |
| 2912 | |
Brian Haley | 612eff0 | 2006-06-15 14:36:36 -0400 | [diff] [blame] | 2913 | writeq(val64, &bar0->rx_traffic_int); |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 2914 | writeq(val64, &bar0->tx_traffic_int); |
Brian Haley | 612eff0 | 2006-06-15 14:36:36 -0400 | [diff] [blame] | 2915 | |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 2916 | /* we need to free up the transmitted skbufs or else netpoll will |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 2917 | * run out of skbs and will fail and eventually netpoll application such |
| 2918 | * as netdump will fail. |
| 2919 | */ |
| 2920 | for (i = 0; i < config->tx_fifo_num; i++) |
| 2921 | tx_intr_handler(&mac_control->fifos[i]); |
| 2922 | |
| 2923 | /* check for received packet and indicate up to network */ |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 2924 | for (i = 0; i < config->rx_ring_num; i++) { |
| 2925 | struct ring_info *ring = &mac_control->rings[i]; |
| 2926 | |
| 2927 | rx_intr_handler(ring, 0); |
| 2928 | } |
Brian Haley | 612eff0 | 2006-06-15 14:36:36 -0400 | [diff] [blame] | 2929 | |
| 2930 | for (i = 0; i < config->rx_ring_num; i++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 2931 | struct ring_info *ring = &mac_control->rings[i]; |
| 2932 | |
| 2933 | if (fill_rx_buffers(nic, ring, 0) == -ENOMEM) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 2934 | DBG_PRINT(INFO_DBG, |
| 2935 | "%s: Out of memory in Rx Netpoll!!\n", |
| 2936 | dev->name); |
Brian Haley | 612eff0 | 2006-06-15 14:36:36 -0400 | [diff] [blame] | 2937 | break; |
| 2938 | } |
| 2939 | } |
Brian Haley | 612eff0 | 2006-06-15 14:36:36 -0400 | [diff] [blame] | 2940 | enable_irq(dev->irq); |
Brian Haley | 612eff0 | 2006-06-15 14:36:36 -0400 | [diff] [blame] | 2941 | } |
| 2942 | #endif |
| 2943 | |
| 2944 | /** |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2945 | * rx_intr_handler - Rx interrupt handler |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 2946 | * @ring_info: per ring structure. |
| 2947 | * @budget: budget for napi processing. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2948 | * Description: |
| 2949 | * If the interrupt is because of a received frame or if the |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2950 | * receive ring contains fresh as yet un-processed frames,this function is |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2951 | * called. It picks out the RxD at which place the last Rx processing had |
| 2952 | * stopped and sends the skb to the OSM's Rx handler and then increments |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2953 | * the offset. |
| 2954 | * Return Value: |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 2955 | * No. of napi packets processed. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2956 | */ |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 2957 | static int rx_intr_handler(struct ring_info *ring_data, int budget) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2958 | { |
Sreenivasa Honnur | c9fcbf4 | 2008-04-23 13:31:33 -0400 | [diff] [blame] | 2959 | int get_block, put_block; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2960 | struct rx_curr_get_info get_info, put_info; |
| 2961 | struct RxD_t *rxdp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2962 | struct sk_buff *skb; |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 2963 | int pkt_cnt = 0, napi_pkts = 0; |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 2964 | int i; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2965 | struct RxD1 *rxdp1; |
| 2966 | struct RxD3 *rxdp3; |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 2967 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2968 | get_info = ring_data->rx_curr_get_info; |
| 2969 | get_block = get_info.block_index; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2970 | memcpy(&put_info, &ring_data->rx_curr_put_info, sizeof(put_info)); |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2971 | put_block = put_info.block_index; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2972 | rxdp = ring_data->rx_blocks[get_block].rxds[get_info.offset].virt_addr; |
Sivakumar Subramani | db874e6 | 2007-01-31 13:28:08 -0500 | [diff] [blame] | 2973 | |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2974 | while (RXD_IS_UP2DT(rxdp)) { |
Sivakumar Subramani | db874e6 | 2007-01-31 13:28:08 -0500 | [diff] [blame] | 2975 | /* |
| 2976 | * If your are next to put index then it's |
| 2977 | * FIFO full condition |
| 2978 | */ |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2979 | if ((get_block == put_block) && |
| 2980 | (get_info.offset + 1) == put_info.offset) { |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2981 | DBG_PRINT(INTR_DBG, "%s: Ring Full\n", |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2982 | ring_data->dev->name); |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2983 | break; |
| 2984 | } |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2985 | skb = (struct sk_buff *)((unsigned long)rxdp->Host_Control); |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2986 | if (skb == NULL) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 2987 | DBG_PRINT(ERR_DBG, "%s: NULL skb in Rx Intr\n", |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2988 | ring_data->dev->name); |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 2989 | return 0; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2990 | } |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2991 | if (ring_data->rxd_mode == RXD_MODE_1) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2992 | rxdp1 = (struct RxD1 *)rxdp; |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2993 | pci_unmap_single(ring_data->pdev, (dma_addr_t) |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2994 | rxdp1->Buffer0_ptr, |
| 2995 | ring_data->mtu + |
| 2996 | HEADER_ETHERNET_II_802_3_SIZE + |
| 2997 | HEADER_802_2_SIZE + |
| 2998 | HEADER_SNAP_SIZE, |
| 2999 | PCI_DMA_FROMDEVICE); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 3000 | } else if (ring_data->rxd_mode == RXD_MODE_3B) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3001 | rxdp3 = (struct RxD3 *)rxdp; |
| 3002 | pci_dma_sync_single_for_cpu(ring_data->pdev, |
| 3003 | (dma_addr_t)rxdp3->Buffer0_ptr, |
| 3004 | BUF0_LEN, |
| 3005 | PCI_DMA_FROMDEVICE); |
| 3006 | pci_unmap_single(ring_data->pdev, |
| 3007 | (dma_addr_t)rxdp3->Buffer2_ptr, |
| 3008 | ring_data->mtu + 4, |
| 3009 | PCI_DMA_FROMDEVICE); |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 3010 | } |
Ananda Raju | 863c11a | 2006-04-21 19:03:13 -0400 | [diff] [blame] | 3011 | prefetch(skb->data); |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3012 | rx_osm_handler(ring_data, rxdp); |
| 3013 | get_info.offset++; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 3014 | ring_data->rx_curr_get_info.offset = get_info.offset; |
| 3015 | rxdp = ring_data->rx_blocks[get_block]. |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3016 | rxds[get_info.offset].virt_addr; |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 3017 | if (get_info.offset == rxd_count[ring_data->rxd_mode]) { |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3018 | get_info.offset = 0; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 3019 | ring_data->rx_curr_get_info.offset = get_info.offset; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3020 | get_block++; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 3021 | if (get_block == ring_data->block_count) |
| 3022 | get_block = 0; |
| 3023 | ring_data->rx_curr_get_info.block_index = get_block; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3024 | rxdp = ring_data->rx_blocks[get_block].block_virt_addr; |
| 3025 | } |
| 3026 | |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 3027 | if (ring_data->nic->config.napi) { |
| 3028 | budget--; |
| 3029 | napi_pkts++; |
| 3030 | if (!budget) |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 3031 | break; |
| 3032 | } |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3033 | pkt_cnt++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3034 | if ((indicate_max_pkts) && (pkt_cnt > indicate_max_pkts)) |
| 3035 | break; |
| 3036 | } |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 3037 | if (ring_data->lro) { |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 3038 | /* Clear all LRO sessions before exiting */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3039 | for (i = 0; i < MAX_LRO_SESSIONS; i++) { |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 3040 | struct lro *lro = &ring_data->lro0_n[i]; |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 3041 | if (lro->in_use) { |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 3042 | update_L3L4_header(ring_data->nic, lro); |
Sreenivasa Honnur | cdb5bf0 | 2008-02-20 17:09:15 -0500 | [diff] [blame] | 3043 | queue_rx_frame(lro->parent, lro->vlan_tag); |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 3044 | clear_lro_session(lro); |
| 3045 | } |
| 3046 | } |
| 3047 | } |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3048 | return napi_pkts; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3049 | } |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3050 | |
| 3051 | /** |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3052 | * tx_intr_handler - Transmit interrupt handler |
| 3053 | * @nic : device private variable |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3054 | * Description: |
| 3055 | * If an interrupt was raised to indicate DMA complete of the |
| 3056 | * Tx packet, this function is called. It identifies the last TxD |
| 3057 | * whose buffer was freed and frees all skbs whose data have already |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3058 | * DMA'ed into the NICs internal memory. |
| 3059 | * Return Value: |
| 3060 | * NONE |
| 3061 | */ |
| 3062 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3063 | static void tx_intr_handler(struct fifo_info *fifo_data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3064 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3065 | struct s2io_nic *nic = fifo_data->nic; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3066 | struct tx_curr_get_info get_info, put_info; |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 3067 | struct sk_buff *skb = NULL; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3068 | struct TxD *txdlp; |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 3069 | int pkt_cnt = 0; |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 3070 | unsigned long flags = 0; |
Olaf Hering | f9046eb | 2007-06-19 22:41:10 +0200 | [diff] [blame] | 3071 | u8 err_mask; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3072 | struct stat_block *stats = nic->mac_control.stats_info; |
| 3073 | struct swStat *swstats = &stats->sw_stat; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3074 | |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 3075 | if (!spin_trylock_irqsave(&fifo_data->tx_lock, flags)) |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3076 | return; |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 3077 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3078 | get_info = fifo_data->tx_curr_get_info; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3079 | memcpy(&put_info, &fifo_data->tx_curr_put_info, sizeof(put_info)); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3080 | txdlp = (struct TxD *) |
| 3081 | fifo_data->list_info[get_info.offset].list_virt_addr; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3082 | while ((!(txdlp->Control_1 & TXD_LIST_OWN_XENA)) && |
| 3083 | (get_info.offset != put_info.offset) && |
| 3084 | (txdlp->Host_Control)) { |
| 3085 | /* Check for TxD errors */ |
| 3086 | if (txdlp->Control_1 & TXD_T_CODE) { |
| 3087 | unsigned long long err; |
| 3088 | err = txdlp->Control_1 & TXD_T_CODE; |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3089 | if (err & 0x1) { |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3090 | swstats->parity_err_cnt++; |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3091 | } |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 3092 | |
| 3093 | /* update t_code statistics */ |
Olaf Hering | f9046eb | 2007-06-19 22:41:10 +0200 | [diff] [blame] | 3094 | err_mask = err >> 48; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3095 | switch (err_mask) { |
| 3096 | case 2: |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3097 | swstats->tx_buf_abort_cnt++; |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 3098 | break; |
| 3099 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3100 | case 3: |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3101 | swstats->tx_desc_abort_cnt++; |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 3102 | break; |
| 3103 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3104 | case 7: |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3105 | swstats->tx_parity_err_cnt++; |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 3106 | break; |
| 3107 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3108 | case 10: |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3109 | swstats->tx_link_loss_cnt++; |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 3110 | break; |
| 3111 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3112 | case 15: |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3113 | swstats->tx_list_proc_err_cnt++; |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 3114 | break; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3115 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3116 | } |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3117 | |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 3118 | skb = s2io_txdl_getskb(fifo_data, txdlp, get_info.offset); |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3119 | if (skb == NULL) { |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 3120 | spin_unlock_irqrestore(&fifo_data->tx_lock, flags); |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 3121 | DBG_PRINT(ERR_DBG, "%s: NULL skb in Tx Free Intr\n", |
| 3122 | __func__); |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3123 | return; |
| 3124 | } |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 3125 | pkt_cnt++; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3126 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3127 | /* Updating the statistics block */ |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3128 | swstats->mem_freed += skb->truesize; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3129 | dev_kfree_skb_irq(skb); |
| 3130 | |
| 3131 | get_info.offset++; |
Ananda Raju | 863c11a | 2006-04-21 19:03:13 -0400 | [diff] [blame] | 3132 | if (get_info.offset == get_info.fifo_len + 1) |
| 3133 | get_info.offset = 0; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3134 | txdlp = (struct TxD *) |
| 3135 | fifo_data->list_info[get_info.offset].list_virt_addr; |
| 3136 | fifo_data->tx_curr_get_info.offset = get_info.offset; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3137 | } |
| 3138 | |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 3139 | s2io_wake_tx_queue(fifo_data, pkt_cnt, nic->config.multiq); |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 3140 | |
| 3141 | spin_unlock_irqrestore(&fifo_data->tx_lock, flags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3142 | } |
| 3143 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3144 | /** |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3145 | * s2io_mdio_write - Function to write in to MDIO registers |
| 3146 | * @mmd_type : MMD type value (PMA/PMD/WIS/PCS/PHYXS) |
| 3147 | * @addr : address value |
| 3148 | * @value : data value |
| 3149 | * @dev : pointer to net_device structure |
| 3150 | * Description: |
| 3151 | * This function is used to write values to the MDIO registers |
| 3152 | * NONE |
| 3153 | */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3154 | static void s2io_mdio_write(u32 mmd_type, u64 addr, u16 value, |
| 3155 | struct net_device *dev) |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3156 | { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3157 | u64 val64; |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 3158 | struct s2io_nic *sp = netdev_priv(dev); |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3159 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3160 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3161 | /* address transaction */ |
| 3162 | val64 = MDIO_MMD_INDX_ADDR(addr) | |
| 3163 | MDIO_MMD_DEV_ADDR(mmd_type) | |
| 3164 | MDIO_MMS_PRT_ADDR(0x0); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3165 | writeq(val64, &bar0->mdio_control); |
| 3166 | val64 = val64 | MDIO_CTRL_START_TRANS(0xE); |
| 3167 | writeq(val64, &bar0->mdio_control); |
| 3168 | udelay(100); |
| 3169 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3170 | /* Data transaction */ |
| 3171 | val64 = MDIO_MMD_INDX_ADDR(addr) | |
| 3172 | MDIO_MMD_DEV_ADDR(mmd_type) | |
| 3173 | MDIO_MMS_PRT_ADDR(0x0) | |
| 3174 | MDIO_MDIO_DATA(value) | |
| 3175 | MDIO_OP(MDIO_OP_WRITE_TRANS); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3176 | writeq(val64, &bar0->mdio_control); |
| 3177 | val64 = val64 | MDIO_CTRL_START_TRANS(0xE); |
| 3178 | writeq(val64, &bar0->mdio_control); |
| 3179 | udelay(100); |
| 3180 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3181 | val64 = MDIO_MMD_INDX_ADDR(addr) | |
| 3182 | MDIO_MMD_DEV_ADDR(mmd_type) | |
| 3183 | MDIO_MMS_PRT_ADDR(0x0) | |
| 3184 | MDIO_OP(MDIO_OP_READ_TRANS); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3185 | writeq(val64, &bar0->mdio_control); |
| 3186 | val64 = val64 | MDIO_CTRL_START_TRANS(0xE); |
| 3187 | writeq(val64, &bar0->mdio_control); |
| 3188 | udelay(100); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3189 | } |
| 3190 | |
| 3191 | /** |
| 3192 | * s2io_mdio_read - Function to write in to MDIO registers |
| 3193 | * @mmd_type : MMD type value (PMA/PMD/WIS/PCS/PHYXS) |
| 3194 | * @addr : address value |
| 3195 | * @dev : pointer to net_device structure |
| 3196 | * Description: |
| 3197 | * This function is used to read values to the MDIO registers |
| 3198 | * NONE |
| 3199 | */ |
| 3200 | static u64 s2io_mdio_read(u32 mmd_type, u64 addr, struct net_device *dev) |
| 3201 | { |
| 3202 | u64 val64 = 0x0; |
| 3203 | u64 rval64 = 0x0; |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 3204 | struct s2io_nic *sp = netdev_priv(dev); |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3205 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3206 | |
| 3207 | /* address transaction */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3208 | val64 = val64 | (MDIO_MMD_INDX_ADDR(addr) |
| 3209 | | MDIO_MMD_DEV_ADDR(mmd_type) |
| 3210 | | MDIO_MMS_PRT_ADDR(0x0)); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3211 | writeq(val64, &bar0->mdio_control); |
| 3212 | val64 = val64 | MDIO_CTRL_START_TRANS(0xE); |
| 3213 | writeq(val64, &bar0->mdio_control); |
| 3214 | udelay(100); |
| 3215 | |
| 3216 | /* Data transaction */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3217 | val64 = MDIO_MMD_INDX_ADDR(addr) | |
| 3218 | MDIO_MMD_DEV_ADDR(mmd_type) | |
| 3219 | MDIO_MMS_PRT_ADDR(0x0) | |
| 3220 | MDIO_OP(MDIO_OP_READ_TRANS); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3221 | writeq(val64, &bar0->mdio_control); |
| 3222 | val64 = val64 | MDIO_CTRL_START_TRANS(0xE); |
| 3223 | writeq(val64, &bar0->mdio_control); |
| 3224 | udelay(100); |
| 3225 | |
| 3226 | /* Read the value from regs */ |
| 3227 | rval64 = readq(&bar0->mdio_control); |
| 3228 | rval64 = rval64 & 0xFFFF0000; |
| 3229 | rval64 = rval64 >> 16; |
| 3230 | return rval64; |
| 3231 | } |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3232 | |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3233 | /** |
| 3234 | * s2io_chk_xpak_counter - Function to check the status of the xpak counters |
Uwe Kleine-König | fbfecd3 | 2009-10-28 20:11:04 +0100 | [diff] [blame] | 3235 | * @counter : counter value to be updated |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3236 | * @flag : flag to indicate the status |
| 3237 | * @type : counter type |
| 3238 | * Description: |
| 3239 | * This function is to check the status of the xpak counters value |
| 3240 | * NONE |
| 3241 | */ |
| 3242 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3243 | static void s2io_chk_xpak_counter(u64 *counter, u64 * regs_stat, u32 index, |
| 3244 | u16 flag, u16 type) |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3245 | { |
| 3246 | u64 mask = 0x3; |
| 3247 | u64 val64; |
| 3248 | int i; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3249 | for (i = 0; i < index; i++) |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3250 | mask = mask << 0x2; |
| 3251 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3252 | if (flag > 0) { |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3253 | *counter = *counter + 1; |
| 3254 | val64 = *regs_stat & mask; |
| 3255 | val64 = val64 >> (index * 0x2); |
| 3256 | val64 = val64 + 1; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3257 | if (val64 == 3) { |
| 3258 | switch (type) { |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3259 | case 1: |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 3260 | DBG_PRINT(ERR_DBG, |
| 3261 | "Take Xframe NIC out of service.\n"); |
| 3262 | DBG_PRINT(ERR_DBG, |
| 3263 | "Excessive temperatures may result in premature transceiver failure.\n"); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3264 | break; |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3265 | case 2: |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 3266 | DBG_PRINT(ERR_DBG, |
| 3267 | "Take Xframe NIC out of service.\n"); |
| 3268 | DBG_PRINT(ERR_DBG, |
| 3269 | "Excessive bias currents may indicate imminent laser diode failure.\n"); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3270 | break; |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3271 | case 3: |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 3272 | DBG_PRINT(ERR_DBG, |
| 3273 | "Take Xframe NIC out of service.\n"); |
| 3274 | DBG_PRINT(ERR_DBG, |
| 3275 | "Excessive laser output power may saturate far-end receiver.\n"); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3276 | break; |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3277 | default: |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3278 | DBG_PRINT(ERR_DBG, |
| 3279 | "Incorrect XPAK Alarm type\n"); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3280 | } |
| 3281 | val64 = 0x0; |
| 3282 | } |
| 3283 | val64 = val64 << (index * 0x2); |
| 3284 | *regs_stat = (*regs_stat & (~mask)) | (val64); |
| 3285 | |
| 3286 | } else { |
| 3287 | *regs_stat = *regs_stat & (~mask); |
| 3288 | } |
| 3289 | } |
| 3290 | |
| 3291 | /** |
| 3292 | * s2io_updt_xpak_counter - Function to update the xpak counters |
| 3293 | * @dev : pointer to net_device struct |
| 3294 | * Description: |
| 3295 | * This function is to upate the status of the xpak counters value |
| 3296 | * NONE |
| 3297 | */ |
| 3298 | static void s2io_updt_xpak_counter(struct net_device *dev) |
| 3299 | { |
| 3300 | u16 flag = 0x0; |
| 3301 | u16 type = 0x0; |
| 3302 | u16 val16 = 0x0; |
| 3303 | u64 val64 = 0x0; |
| 3304 | u64 addr = 0x0; |
| 3305 | |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 3306 | struct s2io_nic *sp = netdev_priv(dev); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3307 | struct stat_block *stats = sp->mac_control.stats_info; |
| 3308 | struct xpakStat *xstats = &stats->xpak_stat; |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3309 | |
| 3310 | /* Check the communication with the MDIO slave */ |
Ben Hutchings | 4023939 | 2009-04-29 08:13:29 +0000 | [diff] [blame] | 3311 | addr = MDIO_CTRL1; |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3312 | val64 = 0x0; |
Ben Hutchings | 4023939 | 2009-04-29 08:13:29 +0000 | [diff] [blame] | 3313 | val64 = s2io_mdio_read(MDIO_MMD_PMAPMD, addr, dev); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3314 | if ((val64 == 0xFFFF) || (val64 == 0x0000)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 3315 | DBG_PRINT(ERR_DBG, |
| 3316 | "ERR: MDIO slave access failed - Returned %llx\n", |
| 3317 | (unsigned long long)val64); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3318 | return; |
| 3319 | } |
| 3320 | |
Ben Hutchings | 4023939 | 2009-04-29 08:13:29 +0000 | [diff] [blame] | 3321 | /* Check for the expected value of control reg 1 */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3322 | if (val64 != MDIO_CTRL1_SPEED10G) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 3323 | DBG_PRINT(ERR_DBG, "Incorrect value at PMA address 0x0000 - " |
| 3324 | "Returned: %llx- Expected: 0x%x\n", |
Ben Hutchings | 4023939 | 2009-04-29 08:13:29 +0000 | [diff] [blame] | 3325 | (unsigned long long)val64, MDIO_CTRL1_SPEED10G); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3326 | return; |
| 3327 | } |
| 3328 | |
| 3329 | /* Loading the DOM register to MDIO register */ |
| 3330 | addr = 0xA100; |
Ben Hutchings | 4023939 | 2009-04-29 08:13:29 +0000 | [diff] [blame] | 3331 | s2io_mdio_write(MDIO_MMD_PMAPMD, addr, val16, dev); |
| 3332 | val64 = s2io_mdio_read(MDIO_MMD_PMAPMD, addr, dev); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3333 | |
| 3334 | /* Reading the Alarm flags */ |
| 3335 | addr = 0xA070; |
| 3336 | val64 = 0x0; |
Ben Hutchings | 4023939 | 2009-04-29 08:13:29 +0000 | [diff] [blame] | 3337 | val64 = s2io_mdio_read(MDIO_MMD_PMAPMD, addr, dev); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3338 | |
| 3339 | flag = CHECKBIT(val64, 0x7); |
| 3340 | type = 1; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3341 | s2io_chk_xpak_counter(&xstats->alarm_transceiver_temp_high, |
| 3342 | &xstats->xpak_regs_stat, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3343 | 0x0, flag, type); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3344 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3345 | if (CHECKBIT(val64, 0x6)) |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3346 | xstats->alarm_transceiver_temp_low++; |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3347 | |
| 3348 | flag = CHECKBIT(val64, 0x3); |
| 3349 | type = 2; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3350 | s2io_chk_xpak_counter(&xstats->alarm_laser_bias_current_high, |
| 3351 | &xstats->xpak_regs_stat, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3352 | 0x2, flag, type); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3353 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3354 | if (CHECKBIT(val64, 0x2)) |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3355 | xstats->alarm_laser_bias_current_low++; |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3356 | |
| 3357 | flag = CHECKBIT(val64, 0x1); |
| 3358 | type = 3; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3359 | s2io_chk_xpak_counter(&xstats->alarm_laser_output_power_high, |
| 3360 | &xstats->xpak_regs_stat, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3361 | 0x4, flag, type); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3362 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3363 | if (CHECKBIT(val64, 0x0)) |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3364 | xstats->alarm_laser_output_power_low++; |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3365 | |
| 3366 | /* Reading the Warning flags */ |
| 3367 | addr = 0xA074; |
| 3368 | val64 = 0x0; |
Ben Hutchings | 4023939 | 2009-04-29 08:13:29 +0000 | [diff] [blame] | 3369 | val64 = s2io_mdio_read(MDIO_MMD_PMAPMD, addr, dev); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3370 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3371 | if (CHECKBIT(val64, 0x7)) |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3372 | xstats->warn_transceiver_temp_high++; |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3373 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3374 | if (CHECKBIT(val64, 0x6)) |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3375 | xstats->warn_transceiver_temp_low++; |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3376 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3377 | if (CHECKBIT(val64, 0x3)) |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3378 | xstats->warn_laser_bias_current_high++; |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3379 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3380 | if (CHECKBIT(val64, 0x2)) |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3381 | xstats->warn_laser_bias_current_low++; |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3382 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3383 | if (CHECKBIT(val64, 0x1)) |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3384 | xstats->warn_laser_output_power_high++; |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3385 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3386 | if (CHECKBIT(val64, 0x0)) |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3387 | xstats->warn_laser_output_power_low++; |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3388 | } |
| 3389 | |
| 3390 | /** |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3391 | * wait_for_cmd_complete - waits for a command to complete. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3392 | * @sp : private member of the device structure, which is a pointer to the |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3393 | * s2io_nic structure. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3394 | * Description: Function that waits for a command to Write into RMAC |
| 3395 | * ADDR DATA registers to be completed and returns either success or |
| 3396 | * error depending on whether the command was complete or not. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3397 | * Return value: |
| 3398 | * SUCCESS on success and FAILURE on failure. |
| 3399 | */ |
| 3400 | |
Sivakumar Subramani | 9fc93a4 | 2007-02-24 01:57:32 -0500 | [diff] [blame] | 3401 | static int wait_for_cmd_complete(void __iomem *addr, u64 busy_bit, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3402 | int bit_state) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3403 | { |
Sivakumar Subramani | 9fc93a4 | 2007-02-24 01:57:32 -0500 | [diff] [blame] | 3404 | int ret = FAILURE, cnt = 0, delay = 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3405 | u64 val64; |
| 3406 | |
Sivakumar Subramani | 9fc93a4 | 2007-02-24 01:57:32 -0500 | [diff] [blame] | 3407 | if ((bit_state != S2IO_BIT_RESET) && (bit_state != S2IO_BIT_SET)) |
| 3408 | return FAILURE; |
| 3409 | |
| 3410 | do { |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 3411 | val64 = readq(addr); |
Sivakumar Subramani | 9fc93a4 | 2007-02-24 01:57:32 -0500 | [diff] [blame] | 3412 | if (bit_state == S2IO_BIT_RESET) { |
| 3413 | if (!(val64 & busy_bit)) { |
| 3414 | ret = SUCCESS; |
| 3415 | break; |
| 3416 | } |
| 3417 | } else { |
Ram Vepa | 2d146eb | 2010-01-19 12:36:20 -0800 | [diff] [blame] | 3418 | if (val64 & busy_bit) { |
Sivakumar Subramani | 9fc93a4 | 2007-02-24 01:57:32 -0500 | [diff] [blame] | 3419 | ret = SUCCESS; |
| 3420 | break; |
| 3421 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3422 | } |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 3423 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3424 | if (in_interrupt()) |
Sivakumar Subramani | 9fc93a4 | 2007-02-24 01:57:32 -0500 | [diff] [blame] | 3425 | mdelay(delay); |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 3426 | else |
Sivakumar Subramani | 9fc93a4 | 2007-02-24 01:57:32 -0500 | [diff] [blame] | 3427 | msleep(delay); |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 3428 | |
Sivakumar Subramani | 9fc93a4 | 2007-02-24 01:57:32 -0500 | [diff] [blame] | 3429 | if (++cnt >= 10) |
| 3430 | delay = 50; |
| 3431 | } while (cnt < 20); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3432 | return ret; |
| 3433 | } |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 3434 | /* |
| 3435 | * check_pci_device_id - Checks if the device id is supported |
| 3436 | * @id : device id |
| 3437 | * Description: Function to check if the pci device id is supported by driver. |
| 3438 | * Return value: Actual device id if supported else PCI_ANY_ID |
| 3439 | */ |
| 3440 | static u16 check_pci_device_id(u16 id) |
| 3441 | { |
| 3442 | switch (id) { |
| 3443 | case PCI_DEVICE_ID_HERC_WIN: |
| 3444 | case PCI_DEVICE_ID_HERC_UNI: |
| 3445 | return XFRAME_II_DEVICE; |
| 3446 | case PCI_DEVICE_ID_S2IO_UNI: |
| 3447 | case PCI_DEVICE_ID_S2IO_WIN: |
| 3448 | return XFRAME_I_DEVICE; |
| 3449 | default: |
| 3450 | return PCI_ANY_ID; |
| 3451 | } |
| 3452 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3453 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3454 | /** |
| 3455 | * s2io_reset - Resets the card. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3456 | * @sp : private member of the device structure. |
| 3457 | * Description: Function to Reset the card. This function then also |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3458 | * restores the previously saved PCI configuration space registers as |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3459 | * the card reset also resets the configuration space. |
| 3460 | * Return value: |
| 3461 | * void. |
| 3462 | */ |
| 3463 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3464 | static void s2io_reset(struct s2io_nic *sp) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3465 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3466 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3467 | u64 val64; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 3468 | u16 subid, pci_cmd; |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 3469 | int i; |
| 3470 | u16 val16; |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 3471 | unsigned long long up_cnt, down_cnt, up_time, down_time, reset_cnt; |
| 3472 | unsigned long long mem_alloc_cnt, mem_free_cnt, watchdog_cnt; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3473 | struct stat_block *stats; |
| 3474 | struct swStat *swstats; |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 3475 | |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 3476 | DBG_PRINT(INIT_DBG, "%s: Resetting XFrame card %s\n", |
Breno Leitao | 3a22813 | 2010-03-04 10:40:44 +0000 | [diff] [blame] | 3477 | __func__, pci_name(sp->pdev)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3478 | |
raghavendra.koushik@neterion.com | 0b1f7eb | 2005-08-03 12:39:56 -0700 | [diff] [blame] | 3479 | /* Back up the PCI-X CMD reg, dont want to lose MMRBC, OST settings */ |
ravinandan.arakali@neterion.com | e960fc5 | 2005-08-12 10:15:59 -0700 | [diff] [blame] | 3480 | pci_read_config_word(sp->pdev, PCIX_COMMAND_REGISTER, &(pci_cmd)); |
raghavendra.koushik@neterion.com | 0b1f7eb | 2005-08-03 12:39:56 -0700 | [diff] [blame] | 3481 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3482 | val64 = SW_RESET_ALL; |
| 3483 | writeq(val64, &bar0->sw_reset); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3484 | if (strstr(sp->product_name, "CX4")) |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 3485 | msleep(750); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3486 | msleep(250); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 3487 | for (i = 0; i < S2IO_MAX_PCI_CONFIG_SPACE_REINIT; i++) { |
| 3488 | |
| 3489 | /* Restore the PCI state saved during initialization. */ |
| 3490 | pci_restore_state(sp->pdev); |
Breno Leitao | b8a623b | 2009-11-10 09:44:23 +0000 | [diff] [blame] | 3491 | pci_save_state(sp->pdev); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 3492 | pci_read_config_word(sp->pdev, 0x2, &val16); |
| 3493 | if (check_pci_device_id(val16) != (u16)PCI_ANY_ID) |
| 3494 | break; |
| 3495 | msleep(200); |
| 3496 | } |
| 3497 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3498 | if (check_pci_device_id(val16) == (u16)PCI_ANY_ID) |
| 3499 | DBG_PRINT(ERR_DBG, "%s SW_Reset failed!\n", __func__); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 3500 | |
| 3501 | pci_write_config_word(sp->pdev, PCIX_COMMAND_REGISTER, pci_cmd); |
| 3502 | |
| 3503 | s2io_init_pci(sp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3504 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3505 | /* Set swapper to enable I/O register access */ |
| 3506 | s2io_set_swapper(sp); |
| 3507 | |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 3508 | /* restore mac_addr entries */ |
| 3509 | do_s2io_restore_unicast_mc(sp); |
| 3510 | |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3511 | /* Restore the MSIX table entries from local variables */ |
| 3512 | restore_xmsi_data(sp); |
| 3513 | |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 3514 | /* Clear certain PCI/PCI-X fields after reset */ |
raghavendra.koushik@neterion.com | 303bcb4 | 2005-08-03 12:41:38 -0700 | [diff] [blame] | 3515 | if (sp->device_type == XFRAME_II_DEVICE) { |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 3516 | /* Clear "detected parity error" bit */ |
raghavendra.koushik@neterion.com | 303bcb4 | 2005-08-03 12:41:38 -0700 | [diff] [blame] | 3517 | pci_write_config_word(sp->pdev, PCI_STATUS, 0x8000); |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 3518 | |
raghavendra.koushik@neterion.com | 303bcb4 | 2005-08-03 12:41:38 -0700 | [diff] [blame] | 3519 | /* Clearing PCIX Ecc status register */ |
| 3520 | pci_write_config_dword(sp->pdev, 0x68, 0x7C); |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 3521 | |
raghavendra.koushik@neterion.com | 303bcb4 | 2005-08-03 12:41:38 -0700 | [diff] [blame] | 3522 | /* Clearing PCI_STATUS error reflected here */ |
Jiri Slaby | b7b5a12 | 2007-10-18 23:40:29 -0700 | [diff] [blame] | 3523 | writeq(s2BIT(62), &bar0->txpic_int_reg); |
raghavendra.koushik@neterion.com | 303bcb4 | 2005-08-03 12:41:38 -0700 | [diff] [blame] | 3524 | } |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 3525 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3526 | /* Reset device statistics maintained by OS */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3527 | memset(&sp->stats, 0, sizeof(struct net_device_stats)); |
Sivakumar Subramani | 8a4bdba | 2007-09-18 18:14:20 -0400 | [diff] [blame] | 3528 | |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3529 | stats = sp->mac_control.stats_info; |
| 3530 | swstats = &stats->sw_stat; |
| 3531 | |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 3532 | /* save link up/down time/cnt, reset/memory/watchdog cnt */ |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3533 | up_cnt = swstats->link_up_cnt; |
| 3534 | down_cnt = swstats->link_down_cnt; |
| 3535 | up_time = swstats->link_up_time; |
| 3536 | down_time = swstats->link_down_time; |
| 3537 | reset_cnt = swstats->soft_reset_cnt; |
| 3538 | mem_alloc_cnt = swstats->mem_allocated; |
| 3539 | mem_free_cnt = swstats->mem_freed; |
| 3540 | watchdog_cnt = swstats->watchdog_timer_cnt; |
| 3541 | |
| 3542 | memset(stats, 0, sizeof(struct stat_block)); |
| 3543 | |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 3544 | /* restore link up/down time/cnt, reset/memory/watchdog cnt */ |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3545 | swstats->link_up_cnt = up_cnt; |
| 3546 | swstats->link_down_cnt = down_cnt; |
| 3547 | swstats->link_up_time = up_time; |
| 3548 | swstats->link_down_time = down_time; |
| 3549 | swstats->soft_reset_cnt = reset_cnt; |
| 3550 | swstats->mem_allocated = mem_alloc_cnt; |
| 3551 | swstats->mem_freed = mem_free_cnt; |
| 3552 | swstats->watchdog_timer_cnt = watchdog_cnt; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3553 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3554 | /* SXE-002: Configure link and activity LED to turn it off */ |
| 3555 | subid = sp->pdev->subsystem_device; |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 3556 | if (((subid & 0xFF) >= 0x07) && |
| 3557 | (sp->device_type == XFRAME_I_DEVICE)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3558 | val64 = readq(&bar0->gpio_control); |
| 3559 | val64 |= 0x0000800000000000ULL; |
| 3560 | writeq(val64, &bar0->gpio_control); |
| 3561 | val64 = 0x0411040400000000ULL; |
viro@ftp.linux.org.uk | 509a267 | 2005-09-05 03:25:58 +0100 | [diff] [blame] | 3562 | writeq(val64, (void __iomem *)bar0 + 0x2700); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3563 | } |
| 3564 | |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 3565 | /* |
| 3566 | * Clear spurious ECC interrupts that would have occured on |
| 3567 | * XFRAME II cards after reset. |
| 3568 | */ |
| 3569 | if (sp->device_type == XFRAME_II_DEVICE) { |
| 3570 | val64 = readq(&bar0->pcc_err_reg); |
| 3571 | writeq(val64, &bar0->pcc_err_reg); |
| 3572 | } |
| 3573 | |
Tobias Klauser | f957bcf | 2009-06-04 23:07:59 +0000 | [diff] [blame] | 3574 | sp->device_enabled_once = false; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3575 | } |
| 3576 | |
| 3577 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3578 | * s2io_set_swapper - to set the swapper controle on the card |
| 3579 | * @sp : private member of the device structure, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3580 | * pointer to the s2io_nic structure. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3581 | * Description: Function to set the swapper control on the card |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3582 | * correctly depending on the 'endianness' of the system. |
| 3583 | * Return value: |
| 3584 | * SUCCESS on success and FAILURE on failure. |
| 3585 | */ |
| 3586 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3587 | static int s2io_set_swapper(struct s2io_nic *sp) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3588 | { |
| 3589 | struct net_device *dev = sp->dev; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3590 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3591 | u64 val64, valt, valr; |
| 3592 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3593 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3594 | * Set proper endian settings and verify the same by reading |
| 3595 | * the PIF Feed-back register. |
| 3596 | */ |
| 3597 | |
| 3598 | val64 = readq(&bar0->pif_rd_swapper_fb); |
| 3599 | if (val64 != 0x0123456789ABCDEFULL) { |
| 3600 | int i = 0; |
Jon Mason | 85a5649 | 2010-12-10 15:40:04 +0000 | [diff] [blame] | 3601 | static const u64 value[] = { |
| 3602 | 0xC30000C3C30000C3ULL, /* FE=1, SE=1 */ |
| 3603 | 0x8100008181000081ULL, /* FE=1, SE=0 */ |
| 3604 | 0x4200004242000042ULL, /* FE=0, SE=1 */ |
| 3605 | 0 /* FE=0, SE=0 */ |
| 3606 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3607 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3608 | while (i < 4) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3609 | writeq(value[i], &bar0->swapper_ctrl); |
| 3610 | val64 = readq(&bar0->pif_rd_swapper_fb); |
| 3611 | if (val64 == 0x0123456789ABCDEFULL) |
| 3612 | break; |
| 3613 | i++; |
| 3614 | } |
| 3615 | if (i == 4) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 3616 | DBG_PRINT(ERR_DBG, "%s: Endian settings are wrong, " |
| 3617 | "feedback read %llx\n", |
| 3618 | dev->name, (unsigned long long)val64); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3619 | return FAILURE; |
| 3620 | } |
| 3621 | valr = value[i]; |
| 3622 | } else { |
| 3623 | valr = readq(&bar0->swapper_ctrl); |
| 3624 | } |
| 3625 | |
| 3626 | valt = 0x0123456789ABCDEFULL; |
| 3627 | writeq(valt, &bar0->xmsi_address); |
| 3628 | val64 = readq(&bar0->xmsi_address); |
| 3629 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3630 | if (val64 != valt) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3631 | int i = 0; |
Jon Mason | 85a5649 | 2010-12-10 15:40:04 +0000 | [diff] [blame] | 3632 | static const u64 value[] = { |
| 3633 | 0x00C3C30000C3C300ULL, /* FE=1, SE=1 */ |
| 3634 | 0x0081810000818100ULL, /* FE=1, SE=0 */ |
| 3635 | 0x0042420000424200ULL, /* FE=0, SE=1 */ |
| 3636 | 0 /* FE=0, SE=0 */ |
| 3637 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3638 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3639 | while (i < 4) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3640 | writeq((value[i] | valr), &bar0->swapper_ctrl); |
| 3641 | writeq(valt, &bar0->xmsi_address); |
| 3642 | val64 = readq(&bar0->xmsi_address); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3643 | if (val64 == valt) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3644 | break; |
| 3645 | i++; |
| 3646 | } |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3647 | if (i == 4) { |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3648 | unsigned long long x = val64; |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 3649 | DBG_PRINT(ERR_DBG, |
| 3650 | "Write failed, Xmsi_addr reads:0x%llx\n", x); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3651 | return FAILURE; |
| 3652 | } |
| 3653 | } |
| 3654 | val64 = readq(&bar0->swapper_ctrl); |
| 3655 | val64 &= 0xFFFF000000000000ULL; |
| 3656 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3657 | #ifdef __BIG_ENDIAN |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3658 | /* |
| 3659 | * The device by default set to a big endian format, so a |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3660 | * big endian driver need not set anything. |
| 3661 | */ |
| 3662 | val64 |= (SWAPPER_CTRL_TXP_FE | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3663 | SWAPPER_CTRL_TXP_SE | |
| 3664 | SWAPPER_CTRL_TXD_R_FE | |
| 3665 | SWAPPER_CTRL_TXD_W_FE | |
| 3666 | SWAPPER_CTRL_TXF_R_FE | |
| 3667 | SWAPPER_CTRL_RXD_R_FE | |
| 3668 | SWAPPER_CTRL_RXD_W_FE | |
| 3669 | SWAPPER_CTRL_RXF_W_FE | |
| 3670 | SWAPPER_CTRL_XMSI_FE | |
| 3671 | SWAPPER_CTRL_STATS_FE | |
| 3672 | SWAPPER_CTRL_STATS_SE); |
Sivakumar Subramani | eaae7f7 | 2007-09-15 14:14:22 -0700 | [diff] [blame] | 3673 | if (sp->config.intr_type == INTA) |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3674 | val64 |= SWAPPER_CTRL_XMSI_SE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3675 | writeq(val64, &bar0->swapper_ctrl); |
| 3676 | #else |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3677 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3678 | * Initially we enable all bits to make it accessible by the |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3679 | * driver, then we selectively enable only those bits that |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3680 | * we want to set. |
| 3681 | */ |
| 3682 | val64 |= (SWAPPER_CTRL_TXP_FE | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3683 | SWAPPER_CTRL_TXP_SE | |
| 3684 | SWAPPER_CTRL_TXD_R_FE | |
| 3685 | SWAPPER_CTRL_TXD_R_SE | |
| 3686 | SWAPPER_CTRL_TXD_W_FE | |
| 3687 | SWAPPER_CTRL_TXD_W_SE | |
| 3688 | SWAPPER_CTRL_TXF_R_FE | |
| 3689 | SWAPPER_CTRL_RXD_R_FE | |
| 3690 | SWAPPER_CTRL_RXD_R_SE | |
| 3691 | SWAPPER_CTRL_RXD_W_FE | |
| 3692 | SWAPPER_CTRL_RXD_W_SE | |
| 3693 | SWAPPER_CTRL_RXF_W_FE | |
| 3694 | SWAPPER_CTRL_XMSI_FE | |
| 3695 | SWAPPER_CTRL_STATS_FE | |
| 3696 | SWAPPER_CTRL_STATS_SE); |
Sivakumar Subramani | eaae7f7 | 2007-09-15 14:14:22 -0700 | [diff] [blame] | 3697 | if (sp->config.intr_type == INTA) |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3698 | val64 |= SWAPPER_CTRL_XMSI_SE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3699 | writeq(val64, &bar0->swapper_ctrl); |
| 3700 | #endif |
| 3701 | val64 = readq(&bar0->swapper_ctrl); |
| 3702 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3703 | /* |
| 3704 | * Verifying if endian settings are accurate by reading a |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3705 | * feedback register. |
| 3706 | */ |
| 3707 | val64 = readq(&bar0->pif_rd_swapper_fb); |
| 3708 | if (val64 != 0x0123456789ABCDEFULL) { |
| 3709 | /* Endian settings are incorrect, calls for another dekko. */ |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 3710 | DBG_PRINT(ERR_DBG, |
| 3711 | "%s: Endian settings are wrong, feedback read %llx\n", |
| 3712 | dev->name, (unsigned long long)val64); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3713 | return FAILURE; |
| 3714 | } |
| 3715 | |
| 3716 | return SUCCESS; |
| 3717 | } |
| 3718 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3719 | static int wait_for_msix_trans(struct s2io_nic *nic, int i) |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3720 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3721 | struct XENA_dev_config __iomem *bar0 = nic->bar0; |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3722 | u64 val64; |
| 3723 | int ret = 0, cnt = 0; |
| 3724 | |
| 3725 | do { |
| 3726 | val64 = readq(&bar0->xmsi_access); |
Jiri Slaby | b7b5a12 | 2007-10-18 23:40:29 -0700 | [diff] [blame] | 3727 | if (!(val64 & s2BIT(15))) |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3728 | break; |
| 3729 | mdelay(1); |
| 3730 | cnt++; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3731 | } while (cnt < 5); |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3732 | if (cnt == 5) { |
| 3733 | DBG_PRINT(ERR_DBG, "XMSI # %d Access failed\n", i); |
| 3734 | ret = 1; |
| 3735 | } |
| 3736 | |
| 3737 | return ret; |
| 3738 | } |
| 3739 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3740 | static void restore_xmsi_data(struct s2io_nic *nic) |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3741 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3742 | struct XENA_dev_config __iomem *bar0 = nic->bar0; |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3743 | u64 val64; |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 3744 | int i, msix_index; |
| 3745 | |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 3746 | if (nic->device_type == XFRAME_I_DEVICE) |
| 3747 | return; |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3748 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3749 | for (i = 0; i < MAX_REQUESTED_MSI_X; i++) { |
| 3750 | msix_index = (i) ? ((i-1) * 8 + 1) : 0; |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3751 | writeq(nic->msix_info[i].addr, &bar0->xmsi_address); |
| 3752 | writeq(nic->msix_info[i].data, &bar0->xmsi_data); |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 3753 | val64 = (s2BIT(7) | s2BIT(15) | vBIT(msix_index, 26, 6)); |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3754 | writeq(val64, &bar0->xmsi_access); |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 3755 | if (wait_for_msix_trans(nic, msix_index)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 3756 | DBG_PRINT(ERR_DBG, "%s: index: %d failed\n", |
| 3757 | __func__, msix_index); |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3758 | continue; |
| 3759 | } |
| 3760 | } |
| 3761 | } |
| 3762 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3763 | static void store_xmsi_data(struct s2io_nic *nic) |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3764 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3765 | struct XENA_dev_config __iomem *bar0 = nic->bar0; |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3766 | u64 val64, addr, data; |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 3767 | int i, msix_index; |
| 3768 | |
| 3769 | if (nic->device_type == XFRAME_I_DEVICE) |
| 3770 | return; |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3771 | |
| 3772 | /* Store and display */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3773 | for (i = 0; i < MAX_REQUESTED_MSI_X; i++) { |
| 3774 | msix_index = (i) ? ((i-1) * 8 + 1) : 0; |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 3775 | val64 = (s2BIT(15) | vBIT(msix_index, 26, 6)); |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3776 | writeq(val64, &bar0->xmsi_access); |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 3777 | if (wait_for_msix_trans(nic, msix_index)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 3778 | DBG_PRINT(ERR_DBG, "%s: index: %d failed\n", |
| 3779 | __func__, msix_index); |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3780 | continue; |
| 3781 | } |
| 3782 | addr = readq(&bar0->xmsi_address); |
| 3783 | data = readq(&bar0->xmsi_data); |
| 3784 | if (addr && data) { |
| 3785 | nic->msix_info[i].addr = addr; |
| 3786 | nic->msix_info[i].data = data; |
| 3787 | } |
| 3788 | } |
| 3789 | } |
| 3790 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3791 | static int s2io_enable_msi_x(struct s2io_nic *nic) |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3792 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3793 | struct XENA_dev_config __iomem *bar0 = nic->bar0; |
Sreenivasa Honnur | ac731ab | 2008-05-12 13:41:32 -0400 | [diff] [blame] | 3794 | u64 rx_mat; |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3795 | u16 msi_control; /* Temp variable */ |
| 3796 | int ret, i, j, msix_indx = 1; |
Joe Perches | 4f87032 | 2009-08-24 17:29:42 +0000 | [diff] [blame] | 3797 | int size; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3798 | struct stat_block *stats = nic->mac_control.stats_info; |
| 3799 | struct swStat *swstats = &stats->sw_stat; |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3800 | |
Joe Perches | 4f87032 | 2009-08-24 17:29:42 +0000 | [diff] [blame] | 3801 | size = nic->num_entries * sizeof(struct msix_entry); |
Joe Perches | 44364a0 | 2009-08-24 17:29:43 +0000 | [diff] [blame] | 3802 | nic->entries = kzalloc(size, GFP_KERNEL); |
Sivakumar Subramani | bd684e4 | 2007-09-14 07:28:50 -0400 | [diff] [blame] | 3803 | if (!nic->entries) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3804 | DBG_PRINT(INFO_DBG, "%s: Memory allocation failed\n", |
| 3805 | __func__); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3806 | swstats->mem_alloc_fail_cnt++; |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3807 | return -ENOMEM; |
| 3808 | } |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3809 | swstats->mem_allocated += size; |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 3810 | |
Joe Perches | 4f87032 | 2009-08-24 17:29:42 +0000 | [diff] [blame] | 3811 | size = nic->num_entries * sizeof(struct s2io_msix_entry); |
Joe Perches | 44364a0 | 2009-08-24 17:29:43 +0000 | [diff] [blame] | 3812 | nic->s2io_entries = kzalloc(size, GFP_KERNEL); |
Sivakumar Subramani | bd684e4 | 2007-09-14 07:28:50 -0400 | [diff] [blame] | 3813 | if (!nic->s2io_entries) { |
Sivakumar Subramani | 8a4bdba | 2007-09-18 18:14:20 -0400 | [diff] [blame] | 3814 | DBG_PRINT(INFO_DBG, "%s: Memory allocation failed\n", |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3815 | __func__); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3816 | swstats->mem_alloc_fail_cnt++; |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3817 | kfree(nic->entries); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3818 | swstats->mem_freed |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 3819 | += (nic->num_entries * sizeof(struct msix_entry)); |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3820 | return -ENOMEM; |
| 3821 | } |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3822 | swstats->mem_allocated += size; |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3823 | |
Sreenivasa Honnur | ac731ab | 2008-05-12 13:41:32 -0400 | [diff] [blame] | 3824 | nic->entries[0].entry = 0; |
| 3825 | nic->s2io_entries[0].entry = 0; |
| 3826 | nic->s2io_entries[0].in_use = MSIX_FLG; |
| 3827 | nic->s2io_entries[0].type = MSIX_ALARM_TYPE; |
| 3828 | nic->s2io_entries[0].arg = &nic->mac_control.fifos; |
| 3829 | |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 3830 | for (i = 1; i < nic->num_entries; i++) { |
| 3831 | nic->entries[i].entry = ((i - 1) * 8) + 1; |
| 3832 | nic->s2io_entries[i].entry = ((i - 1) * 8) + 1; |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3833 | nic->s2io_entries[i].arg = NULL; |
| 3834 | nic->s2io_entries[i].in_use = 0; |
| 3835 | } |
| 3836 | |
Sivakumar Subramani | 8a4bdba | 2007-09-18 18:14:20 -0400 | [diff] [blame] | 3837 | rx_mat = readq(&bar0->rx_mat); |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 3838 | for (j = 0; j < nic->config.rx_ring_num; j++) { |
Sivakumar Subramani | 8a4bdba | 2007-09-18 18:14:20 -0400 | [diff] [blame] | 3839 | rx_mat |= RX_MAT_SET(j, msix_indx); |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 3840 | nic->s2io_entries[j+1].arg = &nic->mac_control.rings[j]; |
| 3841 | nic->s2io_entries[j+1].type = MSIX_RING_TYPE; |
| 3842 | nic->s2io_entries[j+1].in_use = MSIX_FLG; |
| 3843 | msix_indx += 8; |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3844 | } |
Sivakumar Subramani | 8a4bdba | 2007-09-18 18:14:20 -0400 | [diff] [blame] | 3845 | writeq(rx_mat, &bar0->rx_mat); |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 3846 | readq(&bar0->rx_mat); |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3847 | |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 3848 | ret = pci_enable_msix(nic->pdev, nic->entries, nic->num_entries); |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 3849 | /* We fail init if error or we get less vectors than min required */ |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3850 | if (ret) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 3851 | DBG_PRINT(ERR_DBG, "Enabling MSI-X failed\n"); |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3852 | kfree(nic->entries); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3853 | swstats->mem_freed += nic->num_entries * |
| 3854 | sizeof(struct msix_entry); |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3855 | kfree(nic->s2io_entries); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3856 | swstats->mem_freed += nic->num_entries * |
| 3857 | sizeof(struct s2io_msix_entry); |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3858 | nic->entries = NULL; |
| 3859 | nic->s2io_entries = NULL; |
| 3860 | return -ENOMEM; |
| 3861 | } |
| 3862 | |
| 3863 | /* |
| 3864 | * To enable MSI-X, MSI also needs to be enabled, due to a bug |
| 3865 | * in the herc NIC. (Temp change, needs to be removed later) |
| 3866 | */ |
| 3867 | pci_read_config_word(nic->pdev, 0x42, &msi_control); |
| 3868 | msi_control |= 0x1; /* Enable MSI */ |
| 3869 | pci_write_config_word(nic->pdev, 0x42, msi_control); |
| 3870 | |
| 3871 | return 0; |
| 3872 | } |
| 3873 | |
Sivakumar Subramani | 8abc4d5 | 2007-09-15 13:11:34 -0700 | [diff] [blame] | 3874 | /* Handle software interrupt used during MSI(X) test */ |
Adrian Bunk | 33390a7 | 2007-12-11 23:23:06 +0100 | [diff] [blame] | 3875 | static irqreturn_t s2io_test_intr(int irq, void *dev_id) |
Sivakumar Subramani | 8abc4d5 | 2007-09-15 13:11:34 -0700 | [diff] [blame] | 3876 | { |
| 3877 | struct s2io_nic *sp = dev_id; |
| 3878 | |
| 3879 | sp->msi_detected = 1; |
| 3880 | wake_up(&sp->msi_wait); |
| 3881 | |
| 3882 | return IRQ_HANDLED; |
| 3883 | } |
| 3884 | |
| 3885 | /* Test interrupt path by forcing a a software IRQ */ |
Adrian Bunk | 33390a7 | 2007-12-11 23:23:06 +0100 | [diff] [blame] | 3886 | static int s2io_test_msi(struct s2io_nic *sp) |
Sivakumar Subramani | 8abc4d5 | 2007-09-15 13:11:34 -0700 | [diff] [blame] | 3887 | { |
| 3888 | struct pci_dev *pdev = sp->pdev; |
| 3889 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
| 3890 | int err; |
| 3891 | u64 val64, saved64; |
| 3892 | |
| 3893 | err = request_irq(sp->entries[1].vector, s2io_test_intr, 0, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3894 | sp->name, sp); |
Sivakumar Subramani | 8abc4d5 | 2007-09-15 13:11:34 -0700 | [diff] [blame] | 3895 | if (err) { |
| 3896 | DBG_PRINT(ERR_DBG, "%s: PCI %s: cannot assign irq %d\n", |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3897 | sp->dev->name, pci_name(pdev), pdev->irq); |
Sivakumar Subramani | 8abc4d5 | 2007-09-15 13:11:34 -0700 | [diff] [blame] | 3898 | return err; |
| 3899 | } |
| 3900 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3901 | init_waitqueue_head(&sp->msi_wait); |
Sivakumar Subramani | 8abc4d5 | 2007-09-15 13:11:34 -0700 | [diff] [blame] | 3902 | sp->msi_detected = 0; |
| 3903 | |
| 3904 | saved64 = val64 = readq(&bar0->scheduled_int_ctrl); |
| 3905 | val64 |= SCHED_INT_CTRL_ONE_SHOT; |
| 3906 | val64 |= SCHED_INT_CTRL_TIMER_EN; |
| 3907 | val64 |= SCHED_INT_CTRL_INT2MSI(1); |
| 3908 | writeq(val64, &bar0->scheduled_int_ctrl); |
| 3909 | |
| 3910 | wait_event_timeout(sp->msi_wait, sp->msi_detected, HZ/10); |
| 3911 | |
| 3912 | if (!sp->msi_detected) { |
| 3913 | /* MSI(X) test failed, go back to INTx mode */ |
Joe Perches | 2450022 | 2007-11-19 17:48:28 -0800 | [diff] [blame] | 3914 | DBG_PRINT(ERR_DBG, "%s: PCI %s: No interrupt was generated " |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 3915 | "using MSI(X) during test\n", |
| 3916 | sp->dev->name, pci_name(pdev)); |
Sivakumar Subramani | 8abc4d5 | 2007-09-15 13:11:34 -0700 | [diff] [blame] | 3917 | |
| 3918 | err = -EOPNOTSUPP; |
| 3919 | } |
| 3920 | |
| 3921 | free_irq(sp->entries[1].vector, sp); |
| 3922 | |
| 3923 | writeq(saved64, &bar0->scheduled_int_ctrl); |
| 3924 | |
| 3925 | return err; |
| 3926 | } |
Sreenivasa Honnur | 18b2b7b | 2007-11-14 01:41:06 -0800 | [diff] [blame] | 3927 | |
| 3928 | static void remove_msix_isr(struct s2io_nic *sp) |
| 3929 | { |
| 3930 | int i; |
| 3931 | u16 msi_control; |
| 3932 | |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 3933 | for (i = 0; i < sp->num_entries; i++) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3934 | if (sp->s2io_entries[i].in_use == MSIX_REGISTERED_SUCCESS) { |
Sreenivasa Honnur | 18b2b7b | 2007-11-14 01:41:06 -0800 | [diff] [blame] | 3935 | int vector = sp->entries[i].vector; |
| 3936 | void *arg = sp->s2io_entries[i].arg; |
| 3937 | free_irq(vector, arg); |
| 3938 | } |
| 3939 | } |
| 3940 | |
| 3941 | kfree(sp->entries); |
| 3942 | kfree(sp->s2io_entries); |
| 3943 | sp->entries = NULL; |
| 3944 | sp->s2io_entries = NULL; |
| 3945 | |
| 3946 | pci_read_config_word(sp->pdev, 0x42, &msi_control); |
| 3947 | msi_control &= 0xFFFE; /* Disable MSI */ |
| 3948 | pci_write_config_word(sp->pdev, 0x42, msi_control); |
| 3949 | |
| 3950 | pci_disable_msix(sp->pdev); |
| 3951 | } |
| 3952 | |
| 3953 | static void remove_inta_isr(struct s2io_nic *sp) |
| 3954 | { |
| 3955 | struct net_device *dev = sp->dev; |
| 3956 | |
| 3957 | free_irq(sp->pdev->irq, dev); |
| 3958 | } |
| 3959 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3960 | /* ********************************************************* * |
| 3961 | * Functions defined below concern the OS part of the driver * |
| 3962 | * ********************************************************* */ |
| 3963 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3964 | /** |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3965 | * s2io_open - open entry point of the driver |
| 3966 | * @dev : pointer to the device structure. |
| 3967 | * Description: |
| 3968 | * This function is the open entry point of the driver. It mainly calls a |
| 3969 | * function to allocate Rx buffers and inserts them into the buffer |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3970 | * descriptors and then enables the Rx part of the NIC. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3971 | * Return value: |
| 3972 | * 0 on success and an appropriate (-)ve integer as defined in errno.h |
| 3973 | * file on failure. |
| 3974 | */ |
| 3975 | |
Adrian Bunk | ac1f60d | 2005-11-06 01:46:47 +0100 | [diff] [blame] | 3976 | static int s2io_open(struct net_device *dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3977 | { |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 3978 | struct s2io_nic *sp = netdev_priv(dev); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3979 | struct swStat *swstats = &sp->mac_control.stats_info->sw_stat; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3980 | int err = 0; |
| 3981 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3982 | /* |
| 3983 | * Make sure you have link off by default every time |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3984 | * Nic is initialized |
| 3985 | */ |
| 3986 | netif_carrier_off(dev); |
raghavendra.koushik@neterion.com | 0b1f7eb | 2005-08-03 12:39:56 -0700 | [diff] [blame] | 3987 | sp->last_link_state = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3988 | |
| 3989 | /* Initialize H/W and enable interrupts */ |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 3990 | err = s2io_card_up(sp); |
| 3991 | if (err) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3992 | DBG_PRINT(ERR_DBG, "%s: H/W initialization failed\n", |
| 3993 | dev->name); |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 3994 | goto hw_init_failed; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3995 | } |
| 3996 | |
Sivakumar Subramani | 2fd3768 | 2007-09-14 07:39:19 -0400 | [diff] [blame] | 3997 | if (do_s2io_prog_unicast(dev, dev->dev_addr) == FAILURE) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3998 | DBG_PRINT(ERR_DBG, "Set Mac Address Failed\n"); |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 3999 | s2io_card_down(sp); |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4000 | err = -ENODEV; |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 4001 | goto hw_init_failed; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4002 | } |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 4003 | s2io_start_all_tx_queue(sp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4004 | return 0; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4005 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4006 | hw_init_failed: |
Sivakumar Subramani | eaae7f7 | 2007-09-15 14:14:22 -0700 | [diff] [blame] | 4007 | if (sp->config.intr_type == MSI_X) { |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 4008 | if (sp->entries) { |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 4009 | kfree(sp->entries); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 4010 | swstats->mem_freed += sp->num_entries * |
| 4011 | sizeof(struct msix_entry); |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 4012 | } |
| 4013 | if (sp->s2io_entries) { |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 4014 | kfree(sp->s2io_entries); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 4015 | swstats->mem_freed += sp->num_entries * |
| 4016 | sizeof(struct s2io_msix_entry); |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 4017 | } |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 4018 | } |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4019 | return err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4020 | } |
| 4021 | |
| 4022 | /** |
| 4023 | * s2io_close -close entry point of the driver |
| 4024 | * @dev : device pointer. |
| 4025 | * Description: |
| 4026 | * This is the stop entry point of the driver. It needs to undo exactly |
| 4027 | * whatever was done by the open entry point,thus it's usually referred to |
| 4028 | * as the close function.Among other things this function mainly stops the |
| 4029 | * Rx side of the NIC and frees all the Rx buffers in the Rx rings. |
| 4030 | * Return value: |
| 4031 | * 0 on success and an appropriate (-)ve integer as defined in errno.h |
| 4032 | * file on failure. |
| 4033 | */ |
| 4034 | |
Adrian Bunk | ac1f60d | 2005-11-06 01:46:47 +0100 | [diff] [blame] | 4035 | static int s2io_close(struct net_device *dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4036 | { |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 4037 | struct s2io_nic *sp = netdev_priv(dev); |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 4038 | struct config_param *config = &sp->config; |
| 4039 | u64 tmp64; |
| 4040 | int offset; |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 4041 | |
Sreenivasa Honnur | 9f74ffd | 2007-11-30 01:46:08 -0500 | [diff] [blame] | 4042 | /* Return if the device is already closed * |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4043 | * Can happen when s2io_card_up failed in change_mtu * |
| 4044 | */ |
Sreenivasa Honnur | 9f74ffd | 2007-11-30 01:46:08 -0500 | [diff] [blame] | 4045 | if (!is_s2io_card_up(sp)) |
| 4046 | return 0; |
| 4047 | |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 4048 | s2io_stop_all_tx_queue(sp); |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 4049 | /* delete all populated mac entries */ |
| 4050 | for (offset = 1; offset < config->max_mc_addr; offset++) { |
| 4051 | tmp64 = do_s2io_read_unicast_mc(sp, offset); |
| 4052 | if (tmp64 != S2IO_DISABLE_MAC_ENTRY) |
| 4053 | do_s2io_delete_unicast_mc(sp, tmp64); |
| 4054 | } |
| 4055 | |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 4056 | s2io_card_down(sp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4057 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4058 | return 0; |
| 4059 | } |
| 4060 | |
| 4061 | /** |
| 4062 | * s2io_xmit - Tx entry point of te driver |
| 4063 | * @skb : the socket buffer containing the Tx data. |
| 4064 | * @dev : device pointer. |
| 4065 | * Description : |
| 4066 | * This function is the Tx entry point of the driver. S2IO NIC supports |
| 4067 | * certain protocol assist features on Tx side, namely CSO, S/G, LSO. |
| 4068 | * NOTE: when device cant queue the pkt,just the trans_start variable will |
| 4069 | * not be upadted. |
| 4070 | * Return value: |
| 4071 | * 0 on success & 1 on failure. |
| 4072 | */ |
| 4073 | |
Stephen Hemminger | 61357325 | 2009-08-31 19:50:58 +0000 | [diff] [blame] | 4074 | static netdev_tx_t s2io_xmit(struct sk_buff *skb, struct net_device *dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4075 | { |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 4076 | struct s2io_nic *sp = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4077 | u16 frg_cnt, frg_len, i, queue, queue_len, put_off, get_off; |
| 4078 | register u64 val64; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 4079 | struct TxD *txdp; |
| 4080 | struct TxFIFO_element __iomem *tx_fifo; |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 4081 | unsigned long flags = 0; |
raghavendra.koushik@neterion.com | be3a6b0 | 2005-08-03 12:35:55 -0700 | [diff] [blame] | 4082 | u16 vlan_tag = 0; |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 4083 | struct fifo_info *fifo = NULL; |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 4084 | int do_spin_lock = 1; |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 4085 | int offload_type; |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 4086 | int enable_per_list_interrupt = 0; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 4087 | struct config_param *config = &sp->config; |
| 4088 | struct mac_info *mac_control = &sp->mac_control; |
| 4089 | struct stat_block *stats = mac_control->stats_info; |
| 4090 | struct swStat *swstats = &stats->sw_stat; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4091 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4092 | DBG_PRINT(TX_DBG, "%s: In Neterion Tx routine\n", dev->name); |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 4093 | |
| 4094 | if (unlikely(skb->len <= 0)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 4095 | DBG_PRINT(TX_DBG, "%s: Buffer has no data..\n", dev->name); |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 4096 | dev_kfree_skb_any(skb); |
Patrick McHardy | 6ed1065 | 2009-06-23 06:03:08 +0000 | [diff] [blame] | 4097 | return NETDEV_TX_OK; |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 4098 | } |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 4099 | |
Sivakumar Subramani | 92b8443 | 2007-09-06 06:51:14 -0400 | [diff] [blame] | 4100 | if (!is_s2io_card_up(sp)) { |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4101 | DBG_PRINT(TX_DBG, "%s: Card going down for reset\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4102 | dev->name); |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4103 | dev_kfree_skb(skb); |
Patrick McHardy | 6ed1065 | 2009-06-23 06:03:08 +0000 | [diff] [blame] | 4104 | return NETDEV_TX_OK; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4105 | } |
| 4106 | |
| 4107 | queue = 0; |
Jesse Gross | eab6d18 | 2010-10-20 13:56:03 +0000 | [diff] [blame] | 4108 | if (vlan_tx_tag_present(skb)) |
raghavendra.koushik@neterion.com | be3a6b0 | 2005-08-03 12:35:55 -0700 | [diff] [blame] | 4109 | vlan_tag = vlan_tx_tag_get(skb); |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 4110 | if (sp->config.tx_steering_type == TX_DEFAULT_STEERING) { |
| 4111 | if (skb->protocol == htons(ETH_P_IP)) { |
| 4112 | struct iphdr *ip; |
| 4113 | struct tcphdr *th; |
| 4114 | ip = ip_hdr(skb); |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 4115 | |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 4116 | if ((ip->frag_off & htons(IP_OFFSET|IP_MF)) == 0) { |
| 4117 | th = (struct tcphdr *)(((unsigned char *)ip) + |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4118 | ip->ihl*4); |
raghavendra.koushik@neterion.com | be3a6b0 | 2005-08-03 12:35:55 -0700 | [diff] [blame] | 4119 | |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 4120 | if (ip->protocol == IPPROTO_TCP) { |
| 4121 | queue_len = sp->total_tcp_fifos; |
| 4122 | queue = (ntohs(th->source) + |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4123 | ntohs(th->dest)) & |
| 4124 | sp->fifo_selector[queue_len - 1]; |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 4125 | if (queue >= queue_len) |
| 4126 | queue = queue_len - 1; |
| 4127 | } else if (ip->protocol == IPPROTO_UDP) { |
| 4128 | queue_len = sp->total_udp_fifos; |
| 4129 | queue = (ntohs(th->source) + |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4130 | ntohs(th->dest)) & |
| 4131 | sp->fifo_selector[queue_len - 1]; |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 4132 | if (queue >= queue_len) |
| 4133 | queue = queue_len - 1; |
| 4134 | queue += sp->udp_fifo_idx; |
| 4135 | if (skb->len > 1024) |
| 4136 | enable_per_list_interrupt = 1; |
| 4137 | do_spin_lock = 0; |
| 4138 | } |
| 4139 | } |
| 4140 | } |
| 4141 | } else if (sp->config.tx_steering_type == TX_PRIORITY_STEERING) |
| 4142 | /* get fifo number based on skb->priority value */ |
| 4143 | queue = config->fifo_mapping |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4144 | [skb->priority & (MAX_TX_FIFOS - 1)]; |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 4145 | fifo = &mac_control->fifos[queue]; |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 4146 | |
| 4147 | if (do_spin_lock) |
| 4148 | spin_lock_irqsave(&fifo->tx_lock, flags); |
| 4149 | else { |
| 4150 | if (unlikely(!spin_trylock_irqsave(&fifo->tx_lock, flags))) |
| 4151 | return NETDEV_TX_LOCKED; |
| 4152 | } |
| 4153 | |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 4154 | if (sp->config.multiq) { |
| 4155 | if (__netif_subqueue_stopped(dev, fifo->fifo_no)) { |
| 4156 | spin_unlock_irqrestore(&fifo->tx_lock, flags); |
| 4157 | return NETDEV_TX_BUSY; |
| 4158 | } |
David S. Miller | b19fa1f | 2008-07-08 23:14:24 -0700 | [diff] [blame] | 4159 | } else if (unlikely(fifo->queue_state == FIFO_QUEUE_STOP)) { |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 4160 | if (netif_queue_stopped(dev)) { |
| 4161 | spin_unlock_irqrestore(&fifo->tx_lock, flags); |
| 4162 | return NETDEV_TX_BUSY; |
| 4163 | } |
| 4164 | } |
| 4165 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4166 | put_off = (u16)fifo->tx_curr_put_info.offset; |
| 4167 | get_off = (u16)fifo->tx_curr_get_info.offset; |
| 4168 | txdp = (struct TxD *)fifo->list_info[put_off].list_virt_addr; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4169 | |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 4170 | queue_len = fifo->tx_curr_put_info.fifo_len + 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4171 | /* Avoid "put" pointer going beyond "get" pointer */ |
Ananda Raju | 863c11a | 2006-04-21 19:03:13 -0400 | [diff] [blame] | 4172 | if (txdp->Host_Control || |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4173 | ((put_off+1) == queue_len ? 0 : (put_off+1)) == get_off) { |
ravinandan.arakali@neterion.com | 776bd20 | 2005-09-06 21:36:56 -0700 | [diff] [blame] | 4174 | DBG_PRINT(TX_DBG, "Error in xmit, No free TXDs.\n"); |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 4175 | s2io_stop_tx_queue(sp, fifo->fifo_no); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4176 | dev_kfree_skb(skb); |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 4177 | spin_unlock_irqrestore(&fifo->tx_lock, flags); |
Patrick McHardy | 6ed1065 | 2009-06-23 06:03:08 +0000 | [diff] [blame] | 4178 | return NETDEV_TX_OK; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4179 | } |
raghavendra.koushik@neterion.com | 0b1f7eb | 2005-08-03 12:39:56 -0700 | [diff] [blame] | 4180 | |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 4181 | offload_type = s2io_offload_type(skb); |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 4182 | if (offload_type & (SKB_GSO_TCPV4 | SKB_GSO_TCPV6)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4183 | txdp->Control_1 |= TXD_TCP_LSO_EN; |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 4184 | txdp->Control_1 |= TXD_TCP_LSO_MSS(s2io_tcp_mss(skb)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4185 | } |
Patrick McHardy | 84fa793 | 2006-08-29 16:44:56 -0700 | [diff] [blame] | 4186 | if (skb->ip_summed == CHECKSUM_PARTIAL) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4187 | txdp->Control_2 |= (TXD_TX_CKO_IPV4_EN | |
| 4188 | TXD_TX_CKO_TCP_EN | |
| 4189 | TXD_TX_CKO_UDP_EN); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4190 | } |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 4191 | txdp->Control_1 |= TXD_GATHER_CODE_FIRST; |
| 4192 | txdp->Control_1 |= TXD_LIST_OWN_XENA; |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 4193 | txdp->Control_2 |= TXD_INT_NUMBER(fifo->fifo_no); |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 4194 | if (enable_per_list_interrupt) |
| 4195 | if (put_off & (queue_len >> 5)) |
| 4196 | txdp->Control_2 |= TXD_INT_TYPE_PER_LIST; |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 4197 | if (vlan_tag) { |
raghavendra.koushik@neterion.com | be3a6b0 | 2005-08-03 12:35:55 -0700 | [diff] [blame] | 4198 | txdp->Control_2 |= TXD_VLAN_ENABLE; |
| 4199 | txdp->Control_2 |= TXD_VLAN_TAG(vlan_tag); |
| 4200 | } |
| 4201 | |
Eric Dumazet | e743d31 | 2010-04-14 15:59:40 -0700 | [diff] [blame] | 4202 | frg_len = skb_headlen(skb); |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 4203 | if (offload_type == SKB_GSO_UDP) { |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 4204 | int ufo_size; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4205 | |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 4206 | ufo_size = s2io_udp_mss(skb); |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 4207 | ufo_size &= ~7; |
| 4208 | txdp->Control_1 |= TXD_UFO_EN; |
| 4209 | txdp->Control_1 |= TXD_UFO_MSS(ufo_size); |
| 4210 | txdp->Control_1 |= TXD_BUFFER0_SIZE(8); |
| 4211 | #ifdef __BIG_ENDIAN |
Al Viro | 3459feb | 2008-03-16 22:23:14 +0000 | [diff] [blame] | 4212 | /* both variants do cpu_to_be64(be32_to_cpu(...)) */ |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 4213 | fifo->ufo_in_band_v[put_off] = |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4214 | (__force u64)skb_shinfo(skb)->ip6_frag_id; |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 4215 | #else |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 4216 | fifo->ufo_in_band_v[put_off] = |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4217 | (__force u64)skb_shinfo(skb)->ip6_frag_id << 32; |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 4218 | #endif |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 4219 | txdp->Host_Control = (unsigned long)fifo->ufo_in_band_v; |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 4220 | txdp->Buffer_Pointer = pci_map_single(sp->pdev, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4221 | fifo->ufo_in_band_v, |
| 4222 | sizeof(u64), |
| 4223 | PCI_DMA_TODEVICE); |
FUJITA Tomonori | 8d8bb39 | 2008-07-25 19:44:49 -0700 | [diff] [blame] | 4224 | if (pci_dma_mapping_error(sp->pdev, txdp->Buffer_Pointer)) |
Veena Parat | 491abf2 | 2007-07-23 02:37:14 -0400 | [diff] [blame] | 4225 | goto pci_map_failed; |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 4226 | txdp++; |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 4227 | } |
| 4228 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4229 | txdp->Buffer_Pointer = pci_map_single(sp->pdev, skb->data, |
| 4230 | frg_len, PCI_DMA_TODEVICE); |
FUJITA Tomonori | 8d8bb39 | 2008-07-25 19:44:49 -0700 | [diff] [blame] | 4231 | if (pci_dma_mapping_error(sp->pdev, txdp->Buffer_Pointer)) |
Veena Parat | 491abf2 | 2007-07-23 02:37:14 -0400 | [diff] [blame] | 4232 | goto pci_map_failed; |
| 4233 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4234 | txdp->Host_Control = (unsigned long)skb; |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 4235 | txdp->Control_1 |= TXD_BUFFER0_SIZE(frg_len); |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 4236 | if (offload_type == SKB_GSO_UDP) |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 4237 | txdp->Control_1 |= TXD_UFO_EN; |
| 4238 | |
| 4239 | frg_cnt = skb_shinfo(skb)->nr_frags; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4240 | /* For fragmented SKB. */ |
| 4241 | for (i = 0; i < frg_cnt; i++) { |
| 4242 | skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; |
raghavendra.koushik@neterion.com | 0b1f7eb | 2005-08-03 12:39:56 -0700 | [diff] [blame] | 4243 | /* A '0' length fragment will be ignored */ |
| 4244 | if (!frag->size) |
| 4245 | continue; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4246 | txdp++; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4247 | txdp->Buffer_Pointer = (u64)pci_map_page(sp->pdev, frag->page, |
| 4248 | frag->page_offset, |
| 4249 | frag->size, |
| 4250 | PCI_DMA_TODEVICE); |
Ananda Raju | efd51b5 | 2006-01-19 14:11:54 -0500 | [diff] [blame] | 4251 | txdp->Control_1 = TXD_BUFFER0_SIZE(frag->size); |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 4252 | if (offload_type == SKB_GSO_UDP) |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 4253 | txdp->Control_1 |= TXD_UFO_EN; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4254 | } |
| 4255 | txdp->Control_1 |= TXD_GATHER_CODE_LAST; |
| 4256 | |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 4257 | if (offload_type == SKB_GSO_UDP) |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 4258 | frg_cnt++; /* as Txd0 was used for inband header */ |
| 4259 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4260 | tx_fifo = mac_control->tx_FIFO_start[queue]; |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 4261 | val64 = fifo->list_info[put_off].list_phy_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4262 | writeq(val64, &tx_fifo->TxDL_Pointer); |
| 4263 | |
| 4264 | val64 = (TX_FIFO_LAST_TXD_NUM(frg_cnt) | TX_FIFO_FIRST_LIST | |
| 4265 | TX_FIFO_LAST_LIST); |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 4266 | if (offload_type) |
| 4267 | val64 |= TX_FIFO_SPECIAL_FUNC; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4268 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4269 | writeq(val64, &tx_fifo->List_Control); |
| 4270 | |
raghavendra.koushik@neterion.com | 303bcb4 | 2005-08-03 12:41:38 -0700 | [diff] [blame] | 4271 | mmiowb(); |
| 4272 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4273 | put_off++; |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 4274 | if (put_off == fifo->tx_curr_put_info.fifo_len + 1) |
Ananda Raju | 863c11a | 2006-04-21 19:03:13 -0400 | [diff] [blame] | 4275 | put_off = 0; |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 4276 | fifo->tx_curr_put_info.offset = put_off; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4277 | |
| 4278 | /* Avoid "put" pointer going beyond "get" pointer */ |
Ananda Raju | 863c11a | 2006-04-21 19:03:13 -0400 | [diff] [blame] | 4279 | if (((put_off+1) == queue_len ? 0 : (put_off+1)) == get_off) { |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 4280 | swstats->fifo_full_cnt++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4281 | DBG_PRINT(TX_DBG, |
| 4282 | "No free TxDs for xmit, Put: 0x%x Get:0x%x\n", |
| 4283 | put_off, get_off); |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 4284 | s2io_stop_tx_queue(sp, fifo->fifo_no); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4285 | } |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 4286 | swstats->mem_allocated += skb->truesize; |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 4287 | spin_unlock_irqrestore(&fifo->tx_lock, flags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4288 | |
Sreenivasa Honnur | f6f4bfa | 2008-03-25 15:11:56 -0400 | [diff] [blame] | 4289 | if (sp->config.intr_type == MSI_X) |
| 4290 | tx_intr_handler(fifo); |
| 4291 | |
Patrick McHardy | 6ed1065 | 2009-06-23 06:03:08 +0000 | [diff] [blame] | 4292 | return NETDEV_TX_OK; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 4293 | |
Veena Parat | 491abf2 | 2007-07-23 02:37:14 -0400 | [diff] [blame] | 4294 | pci_map_failed: |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 4295 | swstats->pci_map_fail_cnt++; |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 4296 | s2io_stop_tx_queue(sp, fifo->fifo_no); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 4297 | swstats->mem_freed += skb->truesize; |
Veena Parat | 491abf2 | 2007-07-23 02:37:14 -0400 | [diff] [blame] | 4298 | dev_kfree_skb(skb); |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 4299 | spin_unlock_irqrestore(&fifo->tx_lock, flags); |
Patrick McHardy | 6ed1065 | 2009-06-23 06:03:08 +0000 | [diff] [blame] | 4300 | return NETDEV_TX_OK; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4301 | } |
| 4302 | |
raghavendra.koushik@neterion.com | 25fff88 | 2005-08-03 12:34:11 -0700 | [diff] [blame] | 4303 | static void |
| 4304 | s2io_alarm_handle(unsigned long data) |
| 4305 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 4306 | struct s2io_nic *sp = (struct s2io_nic *)data; |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4307 | struct net_device *dev = sp->dev; |
raghavendra.koushik@neterion.com | 25fff88 | 2005-08-03 12:34:11 -0700 | [diff] [blame] | 4308 | |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4309 | s2io_handle_errors(dev); |
raghavendra.koushik@neterion.com | 25fff88 | 2005-08-03 12:34:11 -0700 | [diff] [blame] | 4310 | mod_timer(&sp->alarm_timer, jiffies + HZ / 2); |
| 4311 | } |
| 4312 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 4313 | static irqreturn_t s2io_msix_ring_handle(int irq, void *dev_id) |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 4314 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 4315 | struct ring_info *ring = (struct ring_info *)dev_id; |
| 4316 | struct s2io_nic *sp = ring->nic; |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 4317 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 4318 | |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 4319 | if (unlikely(!is_s2io_card_up(sp))) |
Sivakumar Subramani | 92b8443 | 2007-09-06 06:51:14 -0400 | [diff] [blame] | 4320 | return IRQ_HANDLED; |
Sivakumar Subramani | 92b8443 | 2007-09-06 06:51:14 -0400 | [diff] [blame] | 4321 | |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 4322 | if (sp->config.napi) { |
Al Viro | 1a79d1c | 2008-06-02 10:59:02 +0100 | [diff] [blame] | 4323 | u8 __iomem *addr = NULL; |
| 4324 | u8 val8 = 0; |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 4325 | |
Al Viro | 1a79d1c | 2008-06-02 10:59:02 +0100 | [diff] [blame] | 4326 | addr = (u8 __iomem *)&bar0->xmsi_mask_reg; |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 4327 | addr += (7 - ring->ring_no); |
| 4328 | val8 = (ring->ring_no == 0) ? 0x7f : 0xff; |
| 4329 | writeb(val8, addr); |
| 4330 | val8 = readb(addr); |
Ben Hutchings | 288379f | 2009-01-19 16:43:59 -0800 | [diff] [blame] | 4331 | napi_schedule(&ring->napi); |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 4332 | } else { |
| 4333 | rx_intr_handler(ring, 0); |
FUJITA Tomonori | 8d8bb39 | 2008-07-25 19:44:49 -0700 | [diff] [blame] | 4334 | s2io_chk_rx_buffers(sp, ring); |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 4335 | } |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 4336 | |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 4337 | return IRQ_HANDLED; |
| 4338 | } |
| 4339 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 4340 | static irqreturn_t s2io_msix_fifo_handle(int irq, void *dev_id) |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 4341 | { |
Sreenivasa Honnur | ac731ab | 2008-05-12 13:41:32 -0400 | [diff] [blame] | 4342 | int i; |
| 4343 | struct fifo_info *fifos = (struct fifo_info *)dev_id; |
| 4344 | struct s2io_nic *sp = fifos->nic; |
| 4345 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
| 4346 | struct config_param *config = &sp->config; |
| 4347 | u64 reason; |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 4348 | |
Sreenivasa Honnur | ac731ab | 2008-05-12 13:41:32 -0400 | [diff] [blame] | 4349 | if (unlikely(!is_s2io_card_up(sp))) |
| 4350 | return IRQ_NONE; |
| 4351 | |
| 4352 | reason = readq(&bar0->general_int_status); |
| 4353 | if (unlikely(reason == S2IO_MINUS_ONE)) |
| 4354 | /* Nothing much can be done. Get out */ |
Sivakumar Subramani | 92b8443 | 2007-09-06 06:51:14 -0400 | [diff] [blame] | 4355 | return IRQ_HANDLED; |
Sivakumar Subramani | 92b8443 | 2007-09-06 06:51:14 -0400 | [diff] [blame] | 4356 | |
Sreenivasa Honnur | 01e16fa | 2008-07-09 23:49:21 -0400 | [diff] [blame] | 4357 | if (reason & (GEN_INTR_TXPIC | GEN_INTR_TXTRAFFIC)) { |
| 4358 | writeq(S2IO_MINUS_ONE, &bar0->general_int_mask); |
Sreenivasa Honnur | ac731ab | 2008-05-12 13:41:32 -0400 | [diff] [blame] | 4359 | |
Sreenivasa Honnur | 01e16fa | 2008-07-09 23:49:21 -0400 | [diff] [blame] | 4360 | if (reason & GEN_INTR_TXPIC) |
| 4361 | s2io_txpic_intr_handle(sp); |
Sreenivasa Honnur | ac731ab | 2008-05-12 13:41:32 -0400 | [diff] [blame] | 4362 | |
Sreenivasa Honnur | 01e16fa | 2008-07-09 23:49:21 -0400 | [diff] [blame] | 4363 | if (reason & GEN_INTR_TXTRAFFIC) |
| 4364 | writeq(S2IO_MINUS_ONE, &bar0->tx_traffic_int); |
Sreenivasa Honnur | ac731ab | 2008-05-12 13:41:32 -0400 | [diff] [blame] | 4365 | |
Sreenivasa Honnur | 01e16fa | 2008-07-09 23:49:21 -0400 | [diff] [blame] | 4366 | for (i = 0; i < config->tx_fifo_num; i++) |
| 4367 | tx_intr_handler(&fifos[i]); |
Sreenivasa Honnur | ac731ab | 2008-05-12 13:41:32 -0400 | [diff] [blame] | 4368 | |
Sreenivasa Honnur | 01e16fa | 2008-07-09 23:49:21 -0400 | [diff] [blame] | 4369 | writeq(sp->general_int_mask, &bar0->general_int_mask); |
| 4370 | readl(&bar0->general_int_status); |
| 4371 | return IRQ_HANDLED; |
| 4372 | } |
| 4373 | /* The interrupt was not raised by us */ |
| 4374 | return IRQ_NONE; |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 4375 | } |
Sreenivasa Honnur | ac731ab | 2008-05-12 13:41:32 -0400 | [diff] [blame] | 4376 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 4377 | static void s2io_txpic_intr_handle(struct s2io_nic *sp) |
raghavendra.koushik@neterion.com | a371a07 | 2005-08-03 12:38:59 -0700 | [diff] [blame] | 4378 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 4379 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
raghavendra.koushik@neterion.com | a371a07 | 2005-08-03 12:38:59 -0700 | [diff] [blame] | 4380 | u64 val64; |
| 4381 | |
| 4382 | val64 = readq(&bar0->pic_int_status); |
| 4383 | if (val64 & PIC_INT_GPIO) { |
| 4384 | val64 = readq(&bar0->gpio_int_reg); |
| 4385 | if ((val64 & GPIO_INT_REG_LINK_DOWN) && |
| 4386 | (val64 & GPIO_INT_REG_LINK_UP)) { |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 4387 | /* |
| 4388 | * This is unstable state so clear both up/down |
| 4389 | * interrupt and adapter to re-evaluate the link state. |
| 4390 | */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4391 | val64 |= GPIO_INT_REG_LINK_DOWN; |
raghavendra.koushik@neterion.com | a371a07 | 2005-08-03 12:38:59 -0700 | [diff] [blame] | 4392 | val64 |= GPIO_INT_REG_LINK_UP; |
| 4393 | writeq(val64, &bar0->gpio_int_reg); |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 4394 | val64 = readq(&bar0->gpio_int_mask); |
| 4395 | val64 &= ~(GPIO_INT_MASK_LINK_UP | |
| 4396 | GPIO_INT_MASK_LINK_DOWN); |
| 4397 | writeq(val64, &bar0->gpio_int_mask); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4398 | } else if (val64 & GPIO_INT_REG_LINK_UP) { |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 4399 | val64 = readq(&bar0->adapter_status); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4400 | /* Enable Adapter */ |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 4401 | val64 = readq(&bar0->adapter_control); |
| 4402 | val64 |= ADAPTER_CNTL_EN; |
| 4403 | writeq(val64, &bar0->adapter_control); |
| 4404 | val64 |= ADAPTER_LED_ON; |
| 4405 | writeq(val64, &bar0->adapter_control); |
| 4406 | if (!sp->device_enabled_once) |
| 4407 | sp->device_enabled_once = 1; |
raghavendra.koushik@neterion.com | a371a07 | 2005-08-03 12:38:59 -0700 | [diff] [blame] | 4408 | |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 4409 | s2io_link(sp, LINK_UP); |
| 4410 | /* |
| 4411 | * unmask link down interrupt and mask link-up |
| 4412 | * intr |
| 4413 | */ |
| 4414 | val64 = readq(&bar0->gpio_int_mask); |
| 4415 | val64 &= ~GPIO_INT_MASK_LINK_DOWN; |
| 4416 | val64 |= GPIO_INT_MASK_LINK_UP; |
| 4417 | writeq(val64, &bar0->gpio_int_mask); |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 4418 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4419 | } else if (val64 & GPIO_INT_REG_LINK_DOWN) { |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 4420 | val64 = readq(&bar0->adapter_status); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 4421 | s2io_link(sp, LINK_DOWN); |
| 4422 | /* Link is down so unmaks link up interrupt */ |
| 4423 | val64 = readq(&bar0->gpio_int_mask); |
| 4424 | val64 &= ~GPIO_INT_MASK_LINK_UP; |
| 4425 | val64 |= GPIO_INT_MASK_LINK_DOWN; |
| 4426 | writeq(val64, &bar0->gpio_int_mask); |
Sivakumar Subramani | ac1f90d | 2007-02-24 02:01:31 -0500 | [diff] [blame] | 4427 | |
| 4428 | /* turn off LED */ |
| 4429 | val64 = readq(&bar0->adapter_control); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4430 | val64 = val64 & (~ADAPTER_LED_ON); |
Sivakumar Subramani | ac1f90d | 2007-02-24 02:01:31 -0500 | [diff] [blame] | 4431 | writeq(val64, &bar0->adapter_control); |
raghavendra.koushik@neterion.com | a371a07 | 2005-08-03 12:38:59 -0700 | [diff] [blame] | 4432 | } |
| 4433 | } |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 4434 | val64 = readq(&bar0->gpio_int_mask); |
raghavendra.koushik@neterion.com | a371a07 | 2005-08-03 12:38:59 -0700 | [diff] [blame] | 4435 | } |
| 4436 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4437 | /** |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4438 | * do_s2io_chk_alarm_bit - Check for alarm and incrment the counter |
| 4439 | * @value: alarm bits |
| 4440 | * @addr: address value |
| 4441 | * @cnt: counter variable |
| 4442 | * Description: Check for alarm and increment the counter |
| 4443 | * Return Value: |
| 4444 | * 1 - if alarm bit set |
| 4445 | * 0 - if alarm bit is not set |
| 4446 | */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4447 | static int do_s2io_chk_alarm_bit(u64 value, void __iomem *addr, |
| 4448 | unsigned long long *cnt) |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4449 | { |
| 4450 | u64 val64; |
| 4451 | val64 = readq(addr); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4452 | if (val64 & value) { |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4453 | writeq(val64, addr); |
| 4454 | (*cnt)++; |
| 4455 | return 1; |
| 4456 | } |
| 4457 | return 0; |
| 4458 | |
| 4459 | } |
| 4460 | |
| 4461 | /** |
| 4462 | * s2io_handle_errors - Xframe error indication handler |
| 4463 | * @nic: device private variable |
| 4464 | * Description: Handle alarms such as loss of link, single or |
| 4465 | * double ECC errors, critical and serious errors. |
| 4466 | * Return Value: |
| 4467 | * NONE |
| 4468 | */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4469 | static void s2io_handle_errors(void *dev_id) |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4470 | { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4471 | struct net_device *dev = (struct net_device *)dev_id; |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 4472 | struct s2io_nic *sp = netdev_priv(dev); |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4473 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4474 | u64 temp64 = 0, val64 = 0; |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4475 | int i = 0; |
| 4476 | |
| 4477 | struct swStat *sw_stat = &sp->mac_control.stats_info->sw_stat; |
| 4478 | struct xpakStat *stats = &sp->mac_control.stats_info->xpak_stat; |
| 4479 | |
Sivakumar Subramani | 92b8443 | 2007-09-06 06:51:14 -0400 | [diff] [blame] | 4480 | if (!is_s2io_card_up(sp)) |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4481 | return; |
| 4482 | |
| 4483 | if (pci_channel_offline(sp->pdev)) |
| 4484 | return; |
| 4485 | |
| 4486 | memset(&sw_stat->ring_full_cnt, 0, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4487 | sizeof(sw_stat->ring_full_cnt)); |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4488 | |
| 4489 | /* Handling the XPAK counters update */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4490 | if (stats->xpak_timer_count < 72000) { |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4491 | /* waiting for an hour */ |
| 4492 | stats->xpak_timer_count++; |
| 4493 | } else { |
| 4494 | s2io_updt_xpak_counter(dev); |
| 4495 | /* reset the count to zero */ |
| 4496 | stats->xpak_timer_count = 0; |
| 4497 | } |
| 4498 | |
| 4499 | /* Handling link status change error Intr */ |
| 4500 | if (s2io_link_fault_indication(sp) == MAC_RMAC_ERR_TIMER) { |
| 4501 | val64 = readq(&bar0->mac_rmac_err_reg); |
| 4502 | writeq(val64, &bar0->mac_rmac_err_reg); |
| 4503 | if (val64 & RMAC_LINK_STATE_CHANGE_INT) |
| 4504 | schedule_work(&sp->set_link_task); |
| 4505 | } |
| 4506 | |
| 4507 | /* In case of a serious error, the device will be Reset. */ |
| 4508 | if (do_s2io_chk_alarm_bit(SERR_SOURCE_ANY, &bar0->serr_source, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4509 | &sw_stat->serious_err_cnt)) |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4510 | goto reset; |
| 4511 | |
| 4512 | /* Check for data parity error */ |
| 4513 | if (do_s2io_chk_alarm_bit(GPIO_INT_REG_DP_ERR_INT, &bar0->gpio_int_reg, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4514 | &sw_stat->parity_err_cnt)) |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4515 | goto reset; |
| 4516 | |
| 4517 | /* Check for ring full counter */ |
| 4518 | if (sp->device_type == XFRAME_II_DEVICE) { |
| 4519 | val64 = readq(&bar0->ring_bump_counter1); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4520 | for (i = 0; i < 4; i++) { |
| 4521 | temp64 = (val64 & vBIT(0xFFFF, (i*16), 16)); |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4522 | temp64 >>= 64 - ((i+1)*16); |
| 4523 | sw_stat->ring_full_cnt[i] += temp64; |
| 4524 | } |
| 4525 | |
| 4526 | val64 = readq(&bar0->ring_bump_counter2); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4527 | for (i = 0; i < 4; i++) { |
| 4528 | temp64 = (val64 & vBIT(0xFFFF, (i*16), 16)); |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4529 | temp64 >>= 64 - ((i+1)*16); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4530 | sw_stat->ring_full_cnt[i+4] += temp64; |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4531 | } |
| 4532 | } |
| 4533 | |
| 4534 | val64 = readq(&bar0->txdma_int_status); |
| 4535 | /*check for pfc_err*/ |
| 4536 | if (val64 & TXDMA_PFC_INT) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4537 | if (do_s2io_chk_alarm_bit(PFC_ECC_DB_ERR | PFC_SM_ERR_ALARM | |
| 4538 | PFC_MISC_0_ERR | PFC_MISC_1_ERR | |
| 4539 | PFC_PCIX_ERR, |
| 4540 | &bar0->pfc_err_reg, |
| 4541 | &sw_stat->pfc_err_cnt)) |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4542 | goto reset; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4543 | do_s2io_chk_alarm_bit(PFC_ECC_SG_ERR, |
| 4544 | &bar0->pfc_err_reg, |
| 4545 | &sw_stat->pfc_err_cnt); |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4546 | } |
| 4547 | |
| 4548 | /*check for tda_err*/ |
| 4549 | if (val64 & TXDMA_TDA_INT) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4550 | if (do_s2io_chk_alarm_bit(TDA_Fn_ECC_DB_ERR | |
| 4551 | TDA_SM0_ERR_ALARM | |
| 4552 | TDA_SM1_ERR_ALARM, |
| 4553 | &bar0->tda_err_reg, |
| 4554 | &sw_stat->tda_err_cnt)) |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4555 | goto reset; |
| 4556 | do_s2io_chk_alarm_bit(TDA_Fn_ECC_SG_ERR | TDA_PCIX_ERR, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4557 | &bar0->tda_err_reg, |
| 4558 | &sw_stat->tda_err_cnt); |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4559 | } |
| 4560 | /*check for pcc_err*/ |
| 4561 | if (val64 & TXDMA_PCC_INT) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4562 | if (do_s2io_chk_alarm_bit(PCC_SM_ERR_ALARM | PCC_WR_ERR_ALARM | |
| 4563 | PCC_N_SERR | PCC_6_COF_OV_ERR | |
| 4564 | PCC_7_COF_OV_ERR | PCC_6_LSO_OV_ERR | |
| 4565 | PCC_7_LSO_OV_ERR | PCC_FB_ECC_DB_ERR | |
| 4566 | PCC_TXB_ECC_DB_ERR, |
| 4567 | &bar0->pcc_err_reg, |
| 4568 | &sw_stat->pcc_err_cnt)) |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4569 | goto reset; |
| 4570 | do_s2io_chk_alarm_bit(PCC_FB_ECC_SG_ERR | PCC_TXB_ECC_SG_ERR, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4571 | &bar0->pcc_err_reg, |
| 4572 | &sw_stat->pcc_err_cnt); |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4573 | } |
| 4574 | |
| 4575 | /*check for tti_err*/ |
| 4576 | if (val64 & TXDMA_TTI_INT) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4577 | if (do_s2io_chk_alarm_bit(TTI_SM_ERR_ALARM, |
| 4578 | &bar0->tti_err_reg, |
| 4579 | &sw_stat->tti_err_cnt)) |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4580 | goto reset; |
| 4581 | do_s2io_chk_alarm_bit(TTI_ECC_SG_ERR | TTI_ECC_DB_ERR, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4582 | &bar0->tti_err_reg, |
| 4583 | &sw_stat->tti_err_cnt); |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4584 | } |
| 4585 | |
| 4586 | /*check for lso_err*/ |
| 4587 | if (val64 & TXDMA_LSO_INT) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4588 | if (do_s2io_chk_alarm_bit(LSO6_ABORT | LSO7_ABORT | |
| 4589 | LSO6_SM_ERR_ALARM | LSO7_SM_ERR_ALARM, |
| 4590 | &bar0->lso_err_reg, |
| 4591 | &sw_stat->lso_err_cnt)) |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4592 | goto reset; |
| 4593 | do_s2io_chk_alarm_bit(LSO6_SEND_OFLOW | LSO7_SEND_OFLOW, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4594 | &bar0->lso_err_reg, |
| 4595 | &sw_stat->lso_err_cnt); |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4596 | } |
| 4597 | |
| 4598 | /*check for tpa_err*/ |
| 4599 | if (val64 & TXDMA_TPA_INT) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4600 | if (do_s2io_chk_alarm_bit(TPA_SM_ERR_ALARM, |
| 4601 | &bar0->tpa_err_reg, |
| 4602 | &sw_stat->tpa_err_cnt)) |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4603 | goto reset; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4604 | do_s2io_chk_alarm_bit(TPA_TX_FRM_DROP, |
| 4605 | &bar0->tpa_err_reg, |
| 4606 | &sw_stat->tpa_err_cnt); |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4607 | } |
| 4608 | |
| 4609 | /*check for sm_err*/ |
| 4610 | if (val64 & TXDMA_SM_INT) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4611 | if (do_s2io_chk_alarm_bit(SM_SM_ERR_ALARM, |
| 4612 | &bar0->sm_err_reg, |
| 4613 | &sw_stat->sm_err_cnt)) |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4614 | goto reset; |
| 4615 | } |
| 4616 | |
| 4617 | val64 = readq(&bar0->mac_int_status); |
| 4618 | if (val64 & MAC_INT_STATUS_TMAC_INT) { |
| 4619 | if (do_s2io_chk_alarm_bit(TMAC_TX_BUF_OVRN | TMAC_TX_SM_ERR, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4620 | &bar0->mac_tmac_err_reg, |
| 4621 | &sw_stat->mac_tmac_err_cnt)) |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4622 | goto reset; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4623 | do_s2io_chk_alarm_bit(TMAC_ECC_SG_ERR | TMAC_ECC_DB_ERR | |
| 4624 | TMAC_DESC_ECC_SG_ERR | |
| 4625 | TMAC_DESC_ECC_DB_ERR, |
| 4626 | &bar0->mac_tmac_err_reg, |
| 4627 | &sw_stat->mac_tmac_err_cnt); |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4628 | } |
| 4629 | |
| 4630 | val64 = readq(&bar0->xgxs_int_status); |
| 4631 | if (val64 & XGXS_INT_STATUS_TXGXS) { |
| 4632 | if (do_s2io_chk_alarm_bit(TXGXS_ESTORE_UFLOW | TXGXS_TX_SM_ERR, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4633 | &bar0->xgxs_txgxs_err_reg, |
| 4634 | &sw_stat->xgxs_txgxs_err_cnt)) |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4635 | goto reset; |
| 4636 | do_s2io_chk_alarm_bit(TXGXS_ECC_SG_ERR | TXGXS_ECC_DB_ERR, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4637 | &bar0->xgxs_txgxs_err_reg, |
| 4638 | &sw_stat->xgxs_txgxs_err_cnt); |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4639 | } |
| 4640 | |
| 4641 | val64 = readq(&bar0->rxdma_int_status); |
| 4642 | if (val64 & RXDMA_INT_RC_INT_M) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4643 | if (do_s2io_chk_alarm_bit(RC_PRCn_ECC_DB_ERR | |
| 4644 | RC_FTC_ECC_DB_ERR | |
| 4645 | RC_PRCn_SM_ERR_ALARM | |
| 4646 | RC_FTC_SM_ERR_ALARM, |
| 4647 | &bar0->rc_err_reg, |
| 4648 | &sw_stat->rc_err_cnt)) |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4649 | goto reset; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4650 | do_s2io_chk_alarm_bit(RC_PRCn_ECC_SG_ERR | |
| 4651 | RC_FTC_ECC_SG_ERR | |
| 4652 | RC_RDA_FAIL_WR_Rn, &bar0->rc_err_reg, |
| 4653 | &sw_stat->rc_err_cnt); |
| 4654 | if (do_s2io_chk_alarm_bit(PRC_PCI_AB_RD_Rn | |
| 4655 | PRC_PCI_AB_WR_Rn | |
| 4656 | PRC_PCI_AB_F_WR_Rn, |
| 4657 | &bar0->prc_pcix_err_reg, |
| 4658 | &sw_stat->prc_pcix_err_cnt)) |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4659 | goto reset; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4660 | do_s2io_chk_alarm_bit(PRC_PCI_DP_RD_Rn | |
| 4661 | PRC_PCI_DP_WR_Rn | |
| 4662 | PRC_PCI_DP_F_WR_Rn, |
| 4663 | &bar0->prc_pcix_err_reg, |
| 4664 | &sw_stat->prc_pcix_err_cnt); |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4665 | } |
| 4666 | |
| 4667 | if (val64 & RXDMA_INT_RPA_INT_M) { |
| 4668 | if (do_s2io_chk_alarm_bit(RPA_SM_ERR_ALARM | RPA_CREDIT_ERR, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4669 | &bar0->rpa_err_reg, |
| 4670 | &sw_stat->rpa_err_cnt)) |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4671 | goto reset; |
| 4672 | do_s2io_chk_alarm_bit(RPA_ECC_SG_ERR | RPA_ECC_DB_ERR, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4673 | &bar0->rpa_err_reg, |
| 4674 | &sw_stat->rpa_err_cnt); |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4675 | } |
| 4676 | |
| 4677 | if (val64 & RXDMA_INT_RDA_INT_M) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4678 | if (do_s2io_chk_alarm_bit(RDA_RXDn_ECC_DB_ERR | |
| 4679 | RDA_FRM_ECC_DB_N_AERR | |
| 4680 | RDA_SM1_ERR_ALARM | |
| 4681 | RDA_SM0_ERR_ALARM | |
| 4682 | RDA_RXD_ECC_DB_SERR, |
| 4683 | &bar0->rda_err_reg, |
| 4684 | &sw_stat->rda_err_cnt)) |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4685 | goto reset; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4686 | do_s2io_chk_alarm_bit(RDA_RXDn_ECC_SG_ERR | |
| 4687 | RDA_FRM_ECC_SG_ERR | |
| 4688 | RDA_MISC_ERR | |
| 4689 | RDA_PCIX_ERR, |
| 4690 | &bar0->rda_err_reg, |
| 4691 | &sw_stat->rda_err_cnt); |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4692 | } |
| 4693 | |
| 4694 | if (val64 & RXDMA_INT_RTI_INT_M) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4695 | if (do_s2io_chk_alarm_bit(RTI_SM_ERR_ALARM, |
| 4696 | &bar0->rti_err_reg, |
| 4697 | &sw_stat->rti_err_cnt)) |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4698 | goto reset; |
| 4699 | do_s2io_chk_alarm_bit(RTI_ECC_SG_ERR | RTI_ECC_DB_ERR, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4700 | &bar0->rti_err_reg, |
| 4701 | &sw_stat->rti_err_cnt); |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4702 | } |
| 4703 | |
| 4704 | val64 = readq(&bar0->mac_int_status); |
| 4705 | if (val64 & MAC_INT_STATUS_RMAC_INT) { |
| 4706 | if (do_s2io_chk_alarm_bit(RMAC_RX_BUFF_OVRN | RMAC_RX_SM_ERR, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4707 | &bar0->mac_rmac_err_reg, |
| 4708 | &sw_stat->mac_rmac_err_cnt)) |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4709 | goto reset; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4710 | do_s2io_chk_alarm_bit(RMAC_UNUSED_INT | |
| 4711 | RMAC_SINGLE_ECC_ERR | |
| 4712 | RMAC_DOUBLE_ECC_ERR, |
| 4713 | &bar0->mac_rmac_err_reg, |
| 4714 | &sw_stat->mac_rmac_err_cnt); |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4715 | } |
| 4716 | |
| 4717 | val64 = readq(&bar0->xgxs_int_status); |
| 4718 | if (val64 & XGXS_INT_STATUS_RXGXS) { |
| 4719 | if (do_s2io_chk_alarm_bit(RXGXS_ESTORE_OFLOW | RXGXS_RX_SM_ERR, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4720 | &bar0->xgxs_rxgxs_err_reg, |
| 4721 | &sw_stat->xgxs_rxgxs_err_cnt)) |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4722 | goto reset; |
| 4723 | } |
| 4724 | |
| 4725 | val64 = readq(&bar0->mc_int_status); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4726 | if (val64 & MC_INT_STATUS_MC_INT) { |
| 4727 | if (do_s2io_chk_alarm_bit(MC_ERR_REG_SM_ERR, |
| 4728 | &bar0->mc_err_reg, |
| 4729 | &sw_stat->mc_err_cnt)) |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4730 | goto reset; |
| 4731 | |
| 4732 | /* Handling Ecc errors */ |
| 4733 | if (val64 & (MC_ERR_REG_ECC_ALL_SNG | MC_ERR_REG_ECC_ALL_DBL)) { |
| 4734 | writeq(val64, &bar0->mc_err_reg); |
| 4735 | if (val64 & MC_ERR_REG_ECC_ALL_DBL) { |
| 4736 | sw_stat->double_ecc_errs++; |
| 4737 | if (sp->device_type != XFRAME_II_DEVICE) { |
| 4738 | /* |
| 4739 | * Reset XframeI only if critical error |
| 4740 | */ |
| 4741 | if (val64 & |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4742 | (MC_ERR_REG_MIRI_ECC_DB_ERR_0 | |
| 4743 | MC_ERR_REG_MIRI_ECC_DB_ERR_1)) |
| 4744 | goto reset; |
| 4745 | } |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4746 | } else |
| 4747 | sw_stat->single_ecc_errs++; |
| 4748 | } |
| 4749 | } |
| 4750 | return; |
| 4751 | |
| 4752 | reset: |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 4753 | s2io_stop_all_tx_queue(sp); |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4754 | schedule_work(&sp->rst_timer_task); |
| 4755 | sw_stat->soft_reset_cnt++; |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4756 | } |
| 4757 | |
| 4758 | /** |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4759 | * s2io_isr - ISR handler of the device . |
| 4760 | * @irq: the irq of the device. |
| 4761 | * @dev_id: a void pointer to the dev structure of the NIC. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4762 | * Description: This function is the ISR handler of the device. It |
| 4763 | * identifies the reason for the interrupt and calls the relevant |
| 4764 | * service routines. As a contongency measure, this ISR allocates the |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4765 | * recv buffers, if their numbers are below the panic value which is |
| 4766 | * presently set to 25% of the original number of rcv buffers allocated. |
| 4767 | * Return value: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4768 | * IRQ_HANDLED: will be returned if IRQ was handled by this routine |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4769 | * IRQ_NONE: will be returned if interrupt is not from our device |
| 4770 | */ |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 4771 | static irqreturn_t s2io_isr(int irq, void *dev_id) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4772 | { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4773 | struct net_device *dev = (struct net_device *)dev_id; |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 4774 | struct s2io_nic *sp = netdev_priv(dev); |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 4775 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4776 | int i; |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 4777 | u64 reason = 0; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 4778 | struct mac_info *mac_control; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4779 | struct config_param *config; |
| 4780 | |
Linas Vepstas | d796fdb | 2007-05-14 18:37:30 -0500 | [diff] [blame] | 4781 | /* Pretend we handled any irq's from a disconnected card */ |
| 4782 | if (pci_channel_offline(sp->pdev)) |
| 4783 | return IRQ_NONE; |
| 4784 | |
Sivakumar Subramani | 596c5c9 | 2007-09-15 14:24:03 -0700 | [diff] [blame] | 4785 | if (!is_s2io_card_up(sp)) |
Sivakumar Subramani | 92b8443 | 2007-09-06 06:51:14 -0400 | [diff] [blame] | 4786 | return IRQ_NONE; |
Sivakumar Subramani | 92b8443 | 2007-09-06 06:51:14 -0400 | [diff] [blame] | 4787 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4788 | config = &sp->config; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 4789 | mac_control = &sp->mac_control; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4790 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4791 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4792 | * Identify the cause for interrupt and call the appropriate |
| 4793 | * interrupt handler. Causes for the interrupt could be; |
| 4794 | * 1. Rx of packet. |
| 4795 | * 2. Tx complete. |
| 4796 | * 3. Link down. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4797 | */ |
| 4798 | reason = readq(&bar0->general_int_status); |
| 4799 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4800 | if (unlikely(reason == S2IO_MINUS_ONE)) |
| 4801 | return IRQ_HANDLED; /* Nothing much can be done. Get out */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4802 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4803 | if (reason & |
| 4804 | (GEN_INTR_RXTRAFFIC | GEN_INTR_TXTRAFFIC | GEN_INTR_TXPIC)) { |
Sivakumar Subramani | 596c5c9 | 2007-09-15 14:24:03 -0700 | [diff] [blame] | 4805 | writeq(S2IO_MINUS_ONE, &bar0->general_int_mask); |
| 4806 | |
| 4807 | if (config->napi) { |
| 4808 | if (reason & GEN_INTR_RXTRAFFIC) { |
Ben Hutchings | 288379f | 2009-01-19 16:43:59 -0800 | [diff] [blame] | 4809 | napi_schedule(&sp->napi); |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 4810 | writeq(S2IO_MINUS_ONE, &bar0->rx_traffic_mask); |
| 4811 | writeq(S2IO_MINUS_ONE, &bar0->rx_traffic_int); |
| 4812 | readl(&bar0->rx_traffic_int); |
Sivakumar Subramani | db874e6 | 2007-01-31 13:28:08 -0500 | [diff] [blame] | 4813 | } |
Sivakumar Subramani | 596c5c9 | 2007-09-15 14:24:03 -0700 | [diff] [blame] | 4814 | } else { |
| 4815 | /* |
| 4816 | * rx_traffic_int reg is an R1 register, writing all 1's |
| 4817 | * will ensure that the actual interrupt causing bit |
| 4818 | * get's cleared and hence a read can be avoided. |
| 4819 | */ |
| 4820 | if (reason & GEN_INTR_RXTRAFFIC) |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 4821 | writeq(S2IO_MINUS_ONE, &bar0->rx_traffic_int); |
Sivakumar Subramani | 596c5c9 | 2007-09-15 14:24:03 -0700 | [diff] [blame] | 4822 | |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 4823 | for (i = 0; i < config->rx_ring_num; i++) { |
| 4824 | struct ring_info *ring = &mac_control->rings[i]; |
| 4825 | |
| 4826 | rx_intr_handler(ring, 0); |
| 4827 | } |
Sivakumar Subramani | db874e6 | 2007-01-31 13:28:08 -0500 | [diff] [blame] | 4828 | } |
Sivakumar Subramani | 596c5c9 | 2007-09-15 14:24:03 -0700 | [diff] [blame] | 4829 | |
Sivakumar Subramani | db874e6 | 2007-01-31 13:28:08 -0500 | [diff] [blame] | 4830 | /* |
Sivakumar Subramani | 596c5c9 | 2007-09-15 14:24:03 -0700 | [diff] [blame] | 4831 | * tx_traffic_int reg is an R1 register, writing all 1's |
Sivakumar Subramani | db874e6 | 2007-01-31 13:28:08 -0500 | [diff] [blame] | 4832 | * will ensure that the actual interrupt causing bit get's |
| 4833 | * cleared and hence a read can be avoided. |
| 4834 | */ |
Sivakumar Subramani | 596c5c9 | 2007-09-15 14:24:03 -0700 | [diff] [blame] | 4835 | if (reason & GEN_INTR_TXTRAFFIC) |
| 4836 | writeq(S2IO_MINUS_ONE, &bar0->tx_traffic_int); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 4837 | |
Sivakumar Subramani | 596c5c9 | 2007-09-15 14:24:03 -0700 | [diff] [blame] | 4838 | for (i = 0; i < config->tx_fifo_num; i++) |
| 4839 | tx_intr_handler(&mac_control->fifos[i]); |
| 4840 | |
| 4841 | if (reason & GEN_INTR_TXPIC) |
| 4842 | s2io_txpic_intr_handle(sp); |
| 4843 | |
| 4844 | /* |
| 4845 | * Reallocate the buffers from the interrupt handler itself. |
| 4846 | */ |
| 4847 | if (!config->napi) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 4848 | for (i = 0; i < config->rx_ring_num; i++) { |
| 4849 | struct ring_info *ring = &mac_control->rings[i]; |
| 4850 | |
| 4851 | s2io_chk_rx_buffers(sp, ring); |
| 4852 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4853 | } |
Sivakumar Subramani | 596c5c9 | 2007-09-15 14:24:03 -0700 | [diff] [blame] | 4854 | writeq(sp->general_int_mask, &bar0->general_int_mask); |
| 4855 | readl(&bar0->general_int_status); |
| 4856 | |
| 4857 | return IRQ_HANDLED; |
| 4858 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4859 | } else if (!reason) { |
Sivakumar Subramani | 596c5c9 | 2007-09-15 14:24:03 -0700 | [diff] [blame] | 4860 | /* The interrupt was not raised by us */ |
| 4861 | return IRQ_NONE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4862 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4863 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4864 | return IRQ_HANDLED; |
| 4865 | } |
| 4866 | |
| 4867 | /** |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 4868 | * s2io_updt_stats - |
| 4869 | */ |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 4870 | static void s2io_updt_stats(struct s2io_nic *sp) |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 4871 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 4872 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 4873 | u64 val64; |
| 4874 | int cnt = 0; |
| 4875 | |
Sivakumar Subramani | 92b8443 | 2007-09-06 06:51:14 -0400 | [diff] [blame] | 4876 | if (is_s2io_card_up(sp)) { |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 4877 | /* Apprx 30us on a 133 MHz bus */ |
| 4878 | val64 = SET_UPDT_CLICKS(10) | |
| 4879 | STAT_CFG_ONE_SHOT_EN | STAT_CFG_STAT_EN; |
| 4880 | writeq(val64, &bar0->stat_cfg); |
| 4881 | do { |
| 4882 | udelay(100); |
| 4883 | val64 = readq(&bar0->stat_cfg); |
Jiri Slaby | b7b5a12 | 2007-10-18 23:40:29 -0700 | [diff] [blame] | 4884 | if (!(val64 & s2BIT(0))) |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 4885 | break; |
| 4886 | cnt++; |
| 4887 | if (cnt == 5) |
| 4888 | break; /* Updt failed */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4889 | } while (1); |
Sivakumar Subramani | 8a4bdba | 2007-09-18 18:14:20 -0400 | [diff] [blame] | 4890 | } |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 4891 | } |
| 4892 | |
| 4893 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4894 | * s2io_get_stats - Updates the device statistics structure. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4895 | * @dev : pointer to the device structure. |
| 4896 | * Description: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4897 | * This function updates the device statistics structure in the s2io_nic |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4898 | * structure and returns a pointer to the same. |
| 4899 | * Return value: |
| 4900 | * pointer to the updated net_device_stats structure. |
| 4901 | */ |
Adrian Bunk | ac1f60d | 2005-11-06 01:46:47 +0100 | [diff] [blame] | 4902 | static struct net_device_stats *s2io_get_stats(struct net_device *dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4903 | { |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 4904 | struct s2io_nic *sp = netdev_priv(dev); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 4905 | struct mac_info *mac_control = &sp->mac_control; |
| 4906 | struct stat_block *stats = mac_control->stats_info; |
Jon Mason | 4a49043 | 2010-07-02 09:13:49 +0000 | [diff] [blame] | 4907 | u64 delta; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4908 | |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 4909 | /* Configure Stats for immediate updt */ |
| 4910 | s2io_updt_stats(sp); |
| 4911 | |
Jon Mason | 4a49043 | 2010-07-02 09:13:49 +0000 | [diff] [blame] | 4912 | /* A device reset will cause the on-adapter statistics to be zero'ed. |
| 4913 | * This can be done while running by changing the MTU. To prevent the |
| 4914 | * system from having the stats zero'ed, the driver keeps a copy of the |
| 4915 | * last update to the system (which is also zero'ed on reset). This |
| 4916 | * enables the driver to accurately know the delta between the last |
| 4917 | * update and the current update. |
| 4918 | */ |
| 4919 | delta = ((u64) le32_to_cpu(stats->rmac_vld_frms_oflow) << 32 | |
| 4920 | le32_to_cpu(stats->rmac_vld_frms)) - sp->stats.rx_packets; |
| 4921 | sp->stats.rx_packets += delta; |
| 4922 | dev->stats.rx_packets += delta; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 4923 | |
Jon Mason | 4a49043 | 2010-07-02 09:13:49 +0000 | [diff] [blame] | 4924 | delta = ((u64) le32_to_cpu(stats->tmac_frms_oflow) << 32 | |
| 4925 | le32_to_cpu(stats->tmac_frms)) - sp->stats.tx_packets; |
| 4926 | sp->stats.tx_packets += delta; |
| 4927 | dev->stats.tx_packets += delta; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 4928 | |
Jon Mason | 4a49043 | 2010-07-02 09:13:49 +0000 | [diff] [blame] | 4929 | delta = ((u64) le32_to_cpu(stats->rmac_data_octets_oflow) << 32 | |
| 4930 | le32_to_cpu(stats->rmac_data_octets)) - sp->stats.rx_bytes; |
| 4931 | sp->stats.rx_bytes += delta; |
| 4932 | dev->stats.rx_bytes += delta; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 4933 | |
Jon Mason | 4a49043 | 2010-07-02 09:13:49 +0000 | [diff] [blame] | 4934 | delta = ((u64) le32_to_cpu(stats->tmac_data_octets_oflow) << 32 | |
| 4935 | le32_to_cpu(stats->tmac_data_octets)) - sp->stats.tx_bytes; |
| 4936 | sp->stats.tx_bytes += delta; |
| 4937 | dev->stats.tx_bytes += delta; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 4938 | |
Jon Mason | 4a49043 | 2010-07-02 09:13:49 +0000 | [diff] [blame] | 4939 | delta = le64_to_cpu(stats->rmac_drop_frms) - sp->stats.rx_errors; |
| 4940 | sp->stats.rx_errors += delta; |
| 4941 | dev->stats.rx_errors += delta; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4942 | |
Jon Mason | 4a49043 | 2010-07-02 09:13:49 +0000 | [diff] [blame] | 4943 | delta = ((u64) le32_to_cpu(stats->tmac_any_err_frms_oflow) << 32 | |
| 4944 | le32_to_cpu(stats->tmac_any_err_frms)) - sp->stats.tx_errors; |
| 4945 | sp->stats.tx_errors += delta; |
| 4946 | dev->stats.tx_errors += delta; |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 4947 | |
Jon Mason | 4a49043 | 2010-07-02 09:13:49 +0000 | [diff] [blame] | 4948 | delta = le64_to_cpu(stats->rmac_drop_frms) - sp->stats.rx_dropped; |
| 4949 | sp->stats.rx_dropped += delta; |
| 4950 | dev->stats.rx_dropped += delta; |
| 4951 | |
| 4952 | delta = le64_to_cpu(stats->tmac_drop_frms) - sp->stats.tx_dropped; |
| 4953 | sp->stats.tx_dropped += delta; |
| 4954 | dev->stats.tx_dropped += delta; |
| 4955 | |
| 4956 | /* The adapter MAC interprets pause frames as multicast packets, but |
| 4957 | * does not pass them up. This erroneously increases the multicast |
| 4958 | * packet count and needs to be deducted when the multicast frame count |
| 4959 | * is queried. |
| 4960 | */ |
| 4961 | delta = (u64) le32_to_cpu(stats->rmac_vld_mcst_frms_oflow) << 32 | |
| 4962 | le32_to_cpu(stats->rmac_vld_mcst_frms); |
| 4963 | delta -= le64_to_cpu(stats->rmac_pause_ctrl_frms); |
| 4964 | delta -= sp->stats.multicast; |
| 4965 | sp->stats.multicast += delta; |
| 4966 | dev->stats.multicast += delta; |
| 4967 | |
| 4968 | delta = ((u64) le32_to_cpu(stats->rmac_usized_frms_oflow) << 32 | |
| 4969 | le32_to_cpu(stats->rmac_usized_frms)) + |
| 4970 | le64_to_cpu(stats->rmac_long_frms) - sp->stats.rx_length_errors; |
| 4971 | sp->stats.rx_length_errors += delta; |
| 4972 | dev->stats.rx_length_errors += delta; |
| 4973 | |
| 4974 | delta = le64_to_cpu(stats->rmac_fcs_err_frms) - sp->stats.rx_crc_errors; |
| 4975 | sp->stats.rx_crc_errors += delta; |
| 4976 | dev->stats.rx_crc_errors += delta; |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 4977 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4978 | return &dev->stats; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4979 | } |
| 4980 | |
| 4981 | /** |
| 4982 | * s2io_set_multicast - entry point for multicast address enable/disable. |
| 4983 | * @dev : pointer to the device structure |
| 4984 | * Description: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4985 | * This function is a driver entry point which gets called by the kernel |
| 4986 | * whenever multicast addresses must be enabled/disabled. This also gets |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4987 | * called to set/reset promiscuous mode. Depending on the deivce flag, we |
| 4988 | * determine, if multicast address must be enabled or if promiscuous mode |
| 4989 | * is to be disabled etc. |
| 4990 | * Return value: |
| 4991 | * void. |
| 4992 | */ |
| 4993 | |
| 4994 | static void s2io_set_multicast(struct net_device *dev) |
| 4995 | { |
| 4996 | int i, j, prev_cnt; |
Jiri Pirko | 22bedad3 | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 4997 | struct netdev_hw_addr *ha; |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 4998 | struct s2io_nic *sp = netdev_priv(dev); |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 4999 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5000 | u64 val64 = 0, multi_mac = 0x010203040506ULL, mask = |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5001 | 0xfeffffffffffULL; |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 5002 | u64 dis_addr = S2IO_DISABLE_MAC_ENTRY, mac_addr = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5003 | void __iomem *add; |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 5004 | struct config_param *config = &sp->config; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5005 | |
| 5006 | if ((dev->flags & IFF_ALLMULTI) && (!sp->m_cast_flg)) { |
| 5007 | /* Enable all Multicast addresses */ |
| 5008 | writeq(RMAC_ADDR_DATA0_MEM_ADDR(multi_mac), |
| 5009 | &bar0->rmac_addr_data0_mem); |
| 5010 | writeq(RMAC_ADDR_DATA1_MEM_MASK(mask), |
| 5011 | &bar0->rmac_addr_data1_mem); |
| 5012 | val64 = RMAC_ADDR_CMD_MEM_WE | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5013 | RMAC_ADDR_CMD_MEM_STROBE_NEW_CMD | |
| 5014 | RMAC_ADDR_CMD_MEM_OFFSET(config->max_mc_addr - 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5015 | writeq(val64, &bar0->rmac_addr_cmd_mem); |
| 5016 | /* Wait till command completes */ |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 5017 | wait_for_cmd_complete(&bar0->rmac_addr_cmd_mem, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5018 | RMAC_ADDR_CMD_MEM_STROBE_CMD_EXECUTING, |
| 5019 | S2IO_BIT_RESET); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5020 | |
| 5021 | sp->m_cast_flg = 1; |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 5022 | sp->all_multi_pos = config->max_mc_addr - 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5023 | } else if ((dev->flags & IFF_ALLMULTI) && (sp->m_cast_flg)) { |
| 5024 | /* Disable all Multicast addresses */ |
| 5025 | writeq(RMAC_ADDR_DATA0_MEM_ADDR(dis_addr), |
| 5026 | &bar0->rmac_addr_data0_mem); |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 5027 | writeq(RMAC_ADDR_DATA1_MEM_MASK(0x0), |
| 5028 | &bar0->rmac_addr_data1_mem); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5029 | val64 = RMAC_ADDR_CMD_MEM_WE | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5030 | RMAC_ADDR_CMD_MEM_STROBE_NEW_CMD | |
| 5031 | RMAC_ADDR_CMD_MEM_OFFSET(sp->all_multi_pos); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5032 | writeq(val64, &bar0->rmac_addr_cmd_mem); |
| 5033 | /* Wait till command completes */ |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 5034 | wait_for_cmd_complete(&bar0->rmac_addr_cmd_mem, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5035 | RMAC_ADDR_CMD_MEM_STROBE_CMD_EXECUTING, |
| 5036 | S2IO_BIT_RESET); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5037 | |
| 5038 | sp->m_cast_flg = 0; |
| 5039 | sp->all_multi_pos = 0; |
| 5040 | } |
| 5041 | |
| 5042 | if ((dev->flags & IFF_PROMISC) && (!sp->promisc_flg)) { |
| 5043 | /* Put the NIC into promiscuous mode */ |
| 5044 | add = &bar0->mac_cfg; |
| 5045 | val64 = readq(&bar0->mac_cfg); |
| 5046 | val64 |= MAC_CFG_RMAC_PROM_ENABLE; |
| 5047 | |
| 5048 | writeq(RMAC_CFG_KEY(0x4C0D), &bar0->rmac_cfg_key); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5049 | writel((u32)val64, add); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5050 | writeq(RMAC_CFG_KEY(0x4C0D), &bar0->rmac_cfg_key); |
| 5051 | writel((u32) (val64 >> 32), (add + 4)); |
| 5052 | |
Sivakumar Subramani | 926930b | 2007-02-24 01:59:39 -0500 | [diff] [blame] | 5053 | if (vlan_tag_strip != 1) { |
| 5054 | val64 = readq(&bar0->rx_pa_cfg); |
| 5055 | val64 &= ~RX_PA_CFG_STRIP_VLAN_TAG; |
| 5056 | writeq(val64, &bar0->rx_pa_cfg); |
Breno Leitao | cd0fce0 | 2008-09-04 17:52:54 -0300 | [diff] [blame] | 5057 | sp->vlan_strip_flag = 0; |
Sivakumar Subramani | 926930b | 2007-02-24 01:59:39 -0500 | [diff] [blame] | 5058 | } |
| 5059 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5060 | val64 = readq(&bar0->mac_cfg); |
| 5061 | sp->promisc_flg = 1; |
ravinandan.arakali@neterion.com | 776bd20 | 2005-09-06 21:36:56 -0700 | [diff] [blame] | 5062 | DBG_PRINT(INFO_DBG, "%s: entered promiscuous mode\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5063 | dev->name); |
| 5064 | } else if (!(dev->flags & IFF_PROMISC) && (sp->promisc_flg)) { |
| 5065 | /* Remove the NIC from promiscuous mode */ |
| 5066 | add = &bar0->mac_cfg; |
| 5067 | val64 = readq(&bar0->mac_cfg); |
| 5068 | val64 &= ~MAC_CFG_RMAC_PROM_ENABLE; |
| 5069 | |
| 5070 | writeq(RMAC_CFG_KEY(0x4C0D), &bar0->rmac_cfg_key); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5071 | writel((u32)val64, add); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5072 | writeq(RMAC_CFG_KEY(0x4C0D), &bar0->rmac_cfg_key); |
| 5073 | writel((u32) (val64 >> 32), (add + 4)); |
| 5074 | |
Sivakumar Subramani | 926930b | 2007-02-24 01:59:39 -0500 | [diff] [blame] | 5075 | if (vlan_tag_strip != 0) { |
| 5076 | val64 = readq(&bar0->rx_pa_cfg); |
| 5077 | val64 |= RX_PA_CFG_STRIP_VLAN_TAG; |
| 5078 | writeq(val64, &bar0->rx_pa_cfg); |
Breno Leitao | cd0fce0 | 2008-09-04 17:52:54 -0300 | [diff] [blame] | 5079 | sp->vlan_strip_flag = 1; |
Sivakumar Subramani | 926930b | 2007-02-24 01:59:39 -0500 | [diff] [blame] | 5080 | } |
| 5081 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5082 | val64 = readq(&bar0->mac_cfg); |
| 5083 | sp->promisc_flg = 0; |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 5084 | DBG_PRINT(INFO_DBG, "%s: left promiscuous mode\n", dev->name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5085 | } |
| 5086 | |
| 5087 | /* Update individual M_CAST address list */ |
Jiri Pirko | 4cd24ea | 2010-02-08 04:30:35 +0000 | [diff] [blame] | 5088 | if ((!sp->m_cast_flg) && netdev_mc_count(dev)) { |
| 5089 | if (netdev_mc_count(dev) > |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 5090 | (config->max_mc_addr - config->max_mac_addr)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 5091 | DBG_PRINT(ERR_DBG, |
| 5092 | "%s: No more Rx filters can be added - " |
| 5093 | "please enable ALL_MULTI instead\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5094 | dev->name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5095 | return; |
| 5096 | } |
| 5097 | |
| 5098 | prev_cnt = sp->mc_addr_count; |
Jiri Pirko | 4cd24ea | 2010-02-08 04:30:35 +0000 | [diff] [blame] | 5099 | sp->mc_addr_count = netdev_mc_count(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5100 | |
| 5101 | /* Clear out the previous list of Mc in the H/W. */ |
| 5102 | for (i = 0; i < prev_cnt; i++) { |
| 5103 | writeq(RMAC_ADDR_DATA0_MEM_ADDR(dis_addr), |
| 5104 | &bar0->rmac_addr_data0_mem); |
| 5105 | writeq(RMAC_ADDR_DATA1_MEM_MASK(0ULL), |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5106 | &bar0->rmac_addr_data1_mem); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5107 | val64 = RMAC_ADDR_CMD_MEM_WE | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5108 | RMAC_ADDR_CMD_MEM_STROBE_NEW_CMD | |
| 5109 | RMAC_ADDR_CMD_MEM_OFFSET |
| 5110 | (config->mc_start_offset + i); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5111 | writeq(val64, &bar0->rmac_addr_cmd_mem); |
| 5112 | |
| 5113 | /* Wait for command completes */ |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 5114 | if (wait_for_cmd_complete(&bar0->rmac_addr_cmd_mem, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5115 | RMAC_ADDR_CMD_MEM_STROBE_CMD_EXECUTING, |
| 5116 | S2IO_BIT_RESET)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 5117 | DBG_PRINT(ERR_DBG, |
| 5118 | "%s: Adding Multicasts failed\n", |
| 5119 | dev->name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5120 | return; |
| 5121 | } |
| 5122 | } |
| 5123 | |
| 5124 | /* Create the new Rx filter list and update the same in H/W. */ |
Jiri Pirko | 5508590 | 2010-02-18 00:42:54 +0000 | [diff] [blame] | 5125 | i = 0; |
Jiri Pirko | 22bedad3 | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 5126 | netdev_for_each_mc_addr(ha, dev) { |
Jeff Garzik | a7a80d5 | 2006-03-04 12:06:51 -0500 | [diff] [blame] | 5127 | mac_addr = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5128 | for (j = 0; j < ETH_ALEN; j++) { |
Jiri Pirko | 22bedad3 | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 5129 | mac_addr |= ha->addr[j]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5130 | mac_addr <<= 8; |
| 5131 | } |
| 5132 | mac_addr >>= 8; |
| 5133 | writeq(RMAC_ADDR_DATA0_MEM_ADDR(mac_addr), |
| 5134 | &bar0->rmac_addr_data0_mem); |
| 5135 | writeq(RMAC_ADDR_DATA1_MEM_MASK(0ULL), |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5136 | &bar0->rmac_addr_data1_mem); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5137 | val64 = RMAC_ADDR_CMD_MEM_WE | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5138 | RMAC_ADDR_CMD_MEM_STROBE_NEW_CMD | |
| 5139 | RMAC_ADDR_CMD_MEM_OFFSET |
| 5140 | (i + config->mc_start_offset); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5141 | writeq(val64, &bar0->rmac_addr_cmd_mem); |
| 5142 | |
| 5143 | /* Wait for command completes */ |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 5144 | if (wait_for_cmd_complete(&bar0->rmac_addr_cmd_mem, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5145 | RMAC_ADDR_CMD_MEM_STROBE_CMD_EXECUTING, |
| 5146 | S2IO_BIT_RESET)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 5147 | DBG_PRINT(ERR_DBG, |
| 5148 | "%s: Adding Multicasts failed\n", |
| 5149 | dev->name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5150 | return; |
| 5151 | } |
Jiri Pirko | 5508590 | 2010-02-18 00:42:54 +0000 | [diff] [blame] | 5152 | i++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5153 | } |
| 5154 | } |
| 5155 | } |
| 5156 | |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 5157 | /* read from CAM unicast & multicast addresses and store it in |
| 5158 | * def_mac_addr structure |
| 5159 | */ |
Hannes Eder | dac499f | 2008-12-25 23:56:45 -0800 | [diff] [blame] | 5160 | static void do_s2io_store_unicast_mc(struct s2io_nic *sp) |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 5161 | { |
| 5162 | int offset; |
| 5163 | u64 mac_addr = 0x0; |
| 5164 | struct config_param *config = &sp->config; |
| 5165 | |
| 5166 | /* store unicast & multicast mac addresses */ |
| 5167 | for (offset = 0; offset < config->max_mc_addr; offset++) { |
| 5168 | mac_addr = do_s2io_read_unicast_mc(sp, offset); |
| 5169 | /* if read fails disable the entry */ |
| 5170 | if (mac_addr == FAILURE) |
| 5171 | mac_addr = S2IO_DISABLE_MAC_ENTRY; |
| 5172 | do_s2io_copy_mac_addr(sp, offset, mac_addr); |
| 5173 | } |
| 5174 | } |
| 5175 | |
| 5176 | /* restore unicast & multicast MAC to CAM from def_mac_addr structure */ |
| 5177 | static void do_s2io_restore_unicast_mc(struct s2io_nic *sp) |
| 5178 | { |
| 5179 | int offset; |
| 5180 | struct config_param *config = &sp->config; |
| 5181 | /* restore unicast mac address */ |
| 5182 | for (offset = 0; offset < config->max_mac_addr; offset++) |
| 5183 | do_s2io_prog_unicast(sp->dev, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5184 | sp->def_mac_addr[offset].mac_addr); |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 5185 | |
| 5186 | /* restore multicast mac address */ |
| 5187 | for (offset = config->mc_start_offset; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5188 | offset < config->max_mc_addr; offset++) |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 5189 | do_s2io_add_mc(sp, sp->def_mac_addr[offset].mac_addr); |
| 5190 | } |
| 5191 | |
| 5192 | /* add a multicast MAC address to CAM */ |
| 5193 | static int do_s2io_add_mc(struct s2io_nic *sp, u8 *addr) |
| 5194 | { |
| 5195 | int i; |
| 5196 | u64 mac_addr = 0; |
| 5197 | struct config_param *config = &sp->config; |
| 5198 | |
| 5199 | for (i = 0; i < ETH_ALEN; i++) { |
| 5200 | mac_addr <<= 8; |
| 5201 | mac_addr |= addr[i]; |
| 5202 | } |
| 5203 | if ((0ULL == mac_addr) || (mac_addr == S2IO_DISABLE_MAC_ENTRY)) |
| 5204 | return SUCCESS; |
| 5205 | |
| 5206 | /* check if the multicast mac already preset in CAM */ |
| 5207 | for (i = config->mc_start_offset; i < config->max_mc_addr; i++) { |
| 5208 | u64 tmp64; |
| 5209 | tmp64 = do_s2io_read_unicast_mc(sp, i); |
| 5210 | if (tmp64 == S2IO_DISABLE_MAC_ENTRY) /* CAM entry is empty */ |
| 5211 | break; |
| 5212 | |
| 5213 | if (tmp64 == mac_addr) |
| 5214 | return SUCCESS; |
| 5215 | } |
| 5216 | if (i == config->max_mc_addr) { |
| 5217 | DBG_PRINT(ERR_DBG, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5218 | "CAM full no space left for multicast MAC\n"); |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 5219 | return FAILURE; |
| 5220 | } |
| 5221 | /* Update the internal structure with this new mac address */ |
| 5222 | do_s2io_copy_mac_addr(sp, i, mac_addr); |
| 5223 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5224 | return do_s2io_add_mac(sp, mac_addr, i); |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 5225 | } |
| 5226 | |
| 5227 | /* add MAC address to CAM */ |
| 5228 | static int do_s2io_add_mac(struct s2io_nic *sp, u64 addr, int off) |
Sivakumar Subramani | 2fd3768 | 2007-09-14 07:39:19 -0400 | [diff] [blame] | 5229 | { |
| 5230 | u64 val64; |
| 5231 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
| 5232 | |
| 5233 | writeq(RMAC_ADDR_DATA0_MEM_ADDR(addr), |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5234 | &bar0->rmac_addr_data0_mem); |
Sivakumar Subramani | 2fd3768 | 2007-09-14 07:39:19 -0400 | [diff] [blame] | 5235 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5236 | val64 = RMAC_ADDR_CMD_MEM_WE | RMAC_ADDR_CMD_MEM_STROBE_NEW_CMD | |
Sivakumar Subramani | 2fd3768 | 2007-09-14 07:39:19 -0400 | [diff] [blame] | 5237 | RMAC_ADDR_CMD_MEM_OFFSET(off); |
| 5238 | writeq(val64, &bar0->rmac_addr_cmd_mem); |
| 5239 | |
| 5240 | /* Wait till command completes */ |
| 5241 | if (wait_for_cmd_complete(&bar0->rmac_addr_cmd_mem, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5242 | RMAC_ADDR_CMD_MEM_STROBE_CMD_EXECUTING, |
| 5243 | S2IO_BIT_RESET)) { |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 5244 | DBG_PRINT(INFO_DBG, "do_s2io_add_mac failed\n"); |
Sivakumar Subramani | 2fd3768 | 2007-09-14 07:39:19 -0400 | [diff] [blame] | 5245 | return FAILURE; |
| 5246 | } |
| 5247 | return SUCCESS; |
| 5248 | } |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 5249 | /* deletes a specified unicast/multicast mac entry from CAM */ |
| 5250 | static int do_s2io_delete_unicast_mc(struct s2io_nic *sp, u64 addr) |
| 5251 | { |
| 5252 | int offset; |
| 5253 | u64 dis_addr = S2IO_DISABLE_MAC_ENTRY, tmp64; |
| 5254 | struct config_param *config = &sp->config; |
| 5255 | |
| 5256 | for (offset = 1; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5257 | offset < config->max_mc_addr; offset++) { |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 5258 | tmp64 = do_s2io_read_unicast_mc(sp, offset); |
| 5259 | if (tmp64 == addr) { |
| 5260 | /* disable the entry by writing 0xffffffffffffULL */ |
| 5261 | if (do_s2io_add_mac(sp, dis_addr, offset) == FAILURE) |
| 5262 | return FAILURE; |
| 5263 | /* store the new mac list from CAM */ |
| 5264 | do_s2io_store_unicast_mc(sp); |
| 5265 | return SUCCESS; |
| 5266 | } |
| 5267 | } |
| 5268 | DBG_PRINT(ERR_DBG, "MAC address 0x%llx not found in CAM\n", |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5269 | (unsigned long long)addr); |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 5270 | return FAILURE; |
| 5271 | } |
| 5272 | |
| 5273 | /* read mac entries from CAM */ |
| 5274 | static u64 do_s2io_read_unicast_mc(struct s2io_nic *sp, int offset) |
| 5275 | { |
| 5276 | u64 tmp64 = 0xffffffffffff0000ULL, val64; |
| 5277 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
| 5278 | |
| 5279 | /* read mac addr */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5280 | val64 = RMAC_ADDR_CMD_MEM_RD | RMAC_ADDR_CMD_MEM_STROBE_NEW_CMD | |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 5281 | RMAC_ADDR_CMD_MEM_OFFSET(offset); |
| 5282 | writeq(val64, &bar0->rmac_addr_cmd_mem); |
| 5283 | |
| 5284 | /* Wait till command completes */ |
| 5285 | if (wait_for_cmd_complete(&bar0->rmac_addr_cmd_mem, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5286 | RMAC_ADDR_CMD_MEM_STROBE_CMD_EXECUTING, |
| 5287 | S2IO_BIT_RESET)) { |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 5288 | DBG_PRINT(INFO_DBG, "do_s2io_read_unicast_mc failed\n"); |
| 5289 | return FAILURE; |
| 5290 | } |
| 5291 | tmp64 = readq(&bar0->rmac_addr_data0_mem); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5292 | |
| 5293 | return tmp64 >> 16; |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 5294 | } |
Sivakumar Subramani | 2fd3768 | 2007-09-14 07:39:19 -0400 | [diff] [blame] | 5295 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5296 | /** |
Sivakumar Subramani | 2fd3768 | 2007-09-14 07:39:19 -0400 | [diff] [blame] | 5297 | * s2io_set_mac_addr driver entry point |
| 5298 | */ |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 5299 | |
Sivakumar Subramani | 2fd3768 | 2007-09-14 07:39:19 -0400 | [diff] [blame] | 5300 | static int s2io_set_mac_addr(struct net_device *dev, void *p) |
| 5301 | { |
| 5302 | struct sockaddr *addr = p; |
| 5303 | |
| 5304 | if (!is_valid_ether_addr(addr->sa_data)) |
| 5305 | return -EINVAL; |
| 5306 | |
| 5307 | memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); |
| 5308 | |
| 5309 | /* store the MAC address in CAM */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5310 | return do_s2io_prog_unicast(dev, dev->dev_addr); |
Sivakumar Subramani | 2fd3768 | 2007-09-14 07:39:19 -0400 | [diff] [blame] | 5311 | } |
Sivakumar Subramani | 2fd3768 | 2007-09-14 07:39:19 -0400 | [diff] [blame] | 5312 | /** |
| 5313 | * do_s2io_prog_unicast - Programs the Xframe mac address |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5314 | * @dev : pointer to the device structure. |
| 5315 | * @addr: a uchar pointer to the new mac address which is to be set. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5316 | * Description : This procedure will program the Xframe to receive |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5317 | * frames with new Mac Address |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5318 | * Return value: SUCCESS on success and an appropriate (-)ve integer |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5319 | * as defined in errno.h file on failure. |
| 5320 | */ |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 5321 | |
Sivakumar Subramani | 2fd3768 | 2007-09-14 07:39:19 -0400 | [diff] [blame] | 5322 | static int do_s2io_prog_unicast(struct net_device *dev, u8 *addr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5323 | { |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 5324 | struct s2io_nic *sp = netdev_priv(dev); |
Sivakumar Subramani | 2fd3768 | 2007-09-14 07:39:19 -0400 | [diff] [blame] | 5325 | register u64 mac_addr = 0, perm_addr = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5326 | int i; |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 5327 | u64 tmp64; |
| 5328 | struct config_param *config = &sp->config; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5329 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5330 | /* |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5331 | * Set the new MAC address as the new unicast filter and reflect this |
| 5332 | * change on the device address registered with the OS. It will be |
| 5333 | * at offset 0. |
| 5334 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5335 | for (i = 0; i < ETH_ALEN; i++) { |
| 5336 | mac_addr <<= 8; |
| 5337 | mac_addr |= addr[i]; |
Sivakumar Subramani | 2fd3768 | 2007-09-14 07:39:19 -0400 | [diff] [blame] | 5338 | perm_addr <<= 8; |
| 5339 | perm_addr |= sp->def_mac_addr[0].mac_addr[i]; |
Sivakumar Subramani | d8d70ca | 2007-02-24 02:04:24 -0500 | [diff] [blame] | 5340 | } |
| 5341 | |
Sivakumar Subramani | 2fd3768 | 2007-09-14 07:39:19 -0400 | [diff] [blame] | 5342 | /* check if the dev_addr is different than perm_addr */ |
| 5343 | if (mac_addr == perm_addr) |
Sivakumar Subramani | d8d70ca | 2007-02-24 02:04:24 -0500 | [diff] [blame] | 5344 | return SUCCESS; |
| 5345 | |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 5346 | /* check if the mac already preset in CAM */ |
| 5347 | for (i = 1; i < config->max_mac_addr; i++) { |
| 5348 | tmp64 = do_s2io_read_unicast_mc(sp, i); |
| 5349 | if (tmp64 == S2IO_DISABLE_MAC_ENTRY) /* CAM entry is empty */ |
| 5350 | break; |
| 5351 | |
| 5352 | if (tmp64 == mac_addr) { |
| 5353 | DBG_PRINT(INFO_DBG, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5354 | "MAC addr:0x%llx already present in CAM\n", |
| 5355 | (unsigned long long)mac_addr); |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 5356 | return SUCCESS; |
| 5357 | } |
| 5358 | } |
| 5359 | if (i == config->max_mac_addr) { |
| 5360 | DBG_PRINT(ERR_DBG, "CAM full no space left for Unicast MAC\n"); |
| 5361 | return FAILURE; |
| 5362 | } |
Sivakumar Subramani | d8d70ca | 2007-02-24 02:04:24 -0500 | [diff] [blame] | 5363 | /* Update the internal structure with this new mac address */ |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 5364 | do_s2io_copy_mac_addr(sp, i, mac_addr); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5365 | |
| 5366 | return do_s2io_add_mac(sp, mac_addr, i); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5367 | } |
| 5368 | |
| 5369 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5370 | * s2io_ethtool_sset - Sets different link parameters. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5371 | * @sp : private member of the device structure, which is a pointer to the * s2io_nic structure. |
| 5372 | * @info: pointer to the structure with parameters given by ethtool to set |
| 5373 | * link information. |
| 5374 | * Description: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5375 | * The function sets different link parameters provided by the user onto |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5376 | * the NIC. |
| 5377 | * Return value: |
| 5378 | * 0 on success. |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5379 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5380 | |
| 5381 | static int s2io_ethtool_sset(struct net_device *dev, |
| 5382 | struct ethtool_cmd *info) |
| 5383 | { |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 5384 | struct s2io_nic *sp = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5385 | if ((info->autoneg == AUTONEG_ENABLE) || |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5386 | (info->speed != SPEED_10000) || |
| 5387 | (info->duplex != DUPLEX_FULL)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5388 | return -EINVAL; |
| 5389 | else { |
| 5390 | s2io_close(sp->dev); |
| 5391 | s2io_open(sp->dev); |
| 5392 | } |
| 5393 | |
| 5394 | return 0; |
| 5395 | } |
| 5396 | |
| 5397 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5398 | * s2io_ethtol_gset - Return link specific information. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5399 | * @sp : private member of the device structure, pointer to the |
| 5400 | * s2io_nic structure. |
| 5401 | * @info : pointer to the structure with parameters given by ethtool |
| 5402 | * to return link information. |
| 5403 | * Description: |
| 5404 | * Returns link specific information like speed, duplex etc.. to ethtool. |
| 5405 | * Return value : |
| 5406 | * return 0 on success. |
| 5407 | */ |
| 5408 | |
| 5409 | static int s2io_ethtool_gset(struct net_device *dev, struct ethtool_cmd *info) |
| 5410 | { |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 5411 | struct s2io_nic *sp = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5412 | info->supported = (SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE); |
| 5413 | info->advertising = (SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE); |
| 5414 | info->port = PORT_FIBRE; |
Sivakumar Subramani | 1a7eb72 | 2007-09-14 07:43:16 -0400 | [diff] [blame] | 5415 | |
| 5416 | /* info->transceiver */ |
| 5417 | info->transceiver = XCVR_EXTERNAL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5418 | |
| 5419 | if (netif_carrier_ok(sp->dev)) { |
| 5420 | info->speed = 10000; |
| 5421 | info->duplex = DUPLEX_FULL; |
| 5422 | } else { |
| 5423 | info->speed = -1; |
| 5424 | info->duplex = -1; |
| 5425 | } |
| 5426 | |
| 5427 | info->autoneg = AUTONEG_DISABLE; |
| 5428 | return 0; |
| 5429 | } |
| 5430 | |
| 5431 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5432 | * s2io_ethtool_gdrvinfo - Returns driver specific information. |
| 5433 | * @sp : private member of the device structure, which is a pointer to the |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5434 | * s2io_nic structure. |
| 5435 | * @info : pointer to the structure with parameters given by ethtool to |
| 5436 | * return driver information. |
| 5437 | * Description: |
| 5438 | * Returns driver specefic information like name, version etc.. to ethtool. |
| 5439 | * Return value: |
| 5440 | * void |
| 5441 | */ |
| 5442 | |
| 5443 | static void s2io_ethtool_gdrvinfo(struct net_device *dev, |
| 5444 | struct ethtool_drvinfo *info) |
| 5445 | { |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 5446 | struct s2io_nic *sp = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5447 | |
John W. Linville | dbc2309 | 2005-09-28 17:50:51 -0400 | [diff] [blame] | 5448 | strncpy(info->driver, s2io_driver_name, sizeof(info->driver)); |
| 5449 | strncpy(info->version, s2io_driver_version, sizeof(info->version)); |
| 5450 | strncpy(info->fw_version, "", sizeof(info->fw_version)); |
| 5451 | strncpy(info->bus_info, pci_name(sp->pdev), sizeof(info->bus_info)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5452 | info->regdump_len = XENA_REG_SPACE; |
| 5453 | info->eedump_len = XENA_EEPROM_SPACE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5454 | } |
| 5455 | |
| 5456 | /** |
| 5457 | * s2io_ethtool_gregs - dumps the entire space of Xfame into the buffer. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5458 | * @sp: private member of the device structure, which is a pointer to the |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5459 | * s2io_nic structure. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5460 | * @regs : pointer to the structure with parameters given by ethtool for |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5461 | * dumping the registers. |
| 5462 | * @reg_space: The input argumnet into which all the registers are dumped. |
| 5463 | * Description: |
| 5464 | * Dumps the entire register space of xFrame NIC into the user given |
| 5465 | * buffer area. |
| 5466 | * Return value : |
| 5467 | * void . |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5468 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5469 | |
| 5470 | static void s2io_ethtool_gregs(struct net_device *dev, |
| 5471 | struct ethtool_regs *regs, void *space) |
| 5472 | { |
| 5473 | int i; |
| 5474 | u64 reg; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5475 | u8 *reg_space = (u8 *)space; |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 5476 | struct s2io_nic *sp = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5477 | |
| 5478 | regs->len = XENA_REG_SPACE; |
| 5479 | regs->version = sp->pdev->subsystem_device; |
| 5480 | |
| 5481 | for (i = 0; i < regs->len; i += 8) { |
| 5482 | reg = readq(sp->bar0 + i); |
| 5483 | memcpy((reg_space + i), ®, 8); |
| 5484 | } |
| 5485 | } |
| 5486 | |
| 5487 | /** |
| 5488 | * s2io_phy_id - timer function that alternates adapter LED. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5489 | * @data : address of the private member of the device structure, which |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5490 | * is a pointer to the s2io_nic structure, provided as an u32. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5491 | * Description: This is actually the timer function that alternates the |
| 5492 | * adapter LED bit of the adapter control bit to set/reset every time on |
| 5493 | * invocation. The timer is set for 1/2 a second, hence tha NIC blinks |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5494 | * once every second. |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5495 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5496 | static void s2io_phy_id(unsigned long data) |
| 5497 | { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5498 | struct s2io_nic *sp = (struct s2io_nic *)data; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 5499 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5500 | u64 val64 = 0; |
| 5501 | u16 subid; |
| 5502 | |
| 5503 | subid = sp->pdev->subsystem_device; |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 5504 | if ((sp->device_type == XFRAME_II_DEVICE) || |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5505 | ((subid & 0xFF) >= 0x07)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5506 | val64 = readq(&bar0->gpio_control); |
| 5507 | val64 ^= GPIO_CTRL_GPIO_0; |
| 5508 | writeq(val64, &bar0->gpio_control); |
| 5509 | } else { |
| 5510 | val64 = readq(&bar0->adapter_control); |
| 5511 | val64 ^= ADAPTER_LED_ON; |
| 5512 | writeq(val64, &bar0->adapter_control); |
| 5513 | } |
| 5514 | |
| 5515 | mod_timer(&sp->id_timer, jiffies + HZ / 2); |
| 5516 | } |
| 5517 | |
| 5518 | /** |
| 5519 | * s2io_ethtool_idnic - To physically identify the nic on the system. |
| 5520 | * @sp : private member of the device structure, which is a pointer to the |
| 5521 | * s2io_nic structure. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5522 | * @id : pointer to the structure with identification parameters given by |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5523 | * ethtool. |
| 5524 | * Description: Used to physically identify the NIC on the system. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5525 | * The Link LED will blink for a time specified by the user for |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5526 | * identification. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5527 | * NOTE: The Link has to be Up to be able to blink the LED. Hence |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5528 | * identification is possible only if it's link is up. |
| 5529 | * Return value: |
| 5530 | * int , returns 0 on success |
| 5531 | */ |
| 5532 | |
| 5533 | static int s2io_ethtool_idnic(struct net_device *dev, u32 data) |
| 5534 | { |
| 5535 | u64 val64 = 0, last_gpio_ctrl_val; |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 5536 | struct s2io_nic *sp = netdev_priv(dev); |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 5537 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5538 | u16 subid; |
| 5539 | |
| 5540 | subid = sp->pdev->subsystem_device; |
| 5541 | last_gpio_ctrl_val = readq(&bar0->gpio_control); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5542 | if ((sp->device_type == XFRAME_I_DEVICE) && ((subid & 0xFF) < 0x07)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5543 | val64 = readq(&bar0->adapter_control); |
| 5544 | if (!(val64 & ADAPTER_CNTL_EN)) { |
Joe Perches | 6cef2b8e | 2009-08-24 17:29:45 +0000 | [diff] [blame] | 5545 | pr_err("Adapter Link down, cannot blink LED\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5546 | return -EFAULT; |
| 5547 | } |
| 5548 | } |
| 5549 | if (sp->id_timer.function == NULL) { |
| 5550 | init_timer(&sp->id_timer); |
| 5551 | sp->id_timer.function = s2io_phy_id; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5552 | sp->id_timer.data = (unsigned long)sp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5553 | } |
| 5554 | mod_timer(&sp->id_timer, jiffies); |
| 5555 | if (data) |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5556 | msleep_interruptible(data * HZ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5557 | else |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5558 | msleep_interruptible(MAX_FLICKER_TIME); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5559 | del_timer_sync(&sp->id_timer); |
| 5560 | |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 5561 | if (CARDS_WITH_FAULTY_LINK_INDICATORS(sp->device_type, subid)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5562 | writeq(last_gpio_ctrl_val, &bar0->gpio_control); |
| 5563 | last_gpio_ctrl_val = readq(&bar0->gpio_control); |
| 5564 | } |
| 5565 | |
| 5566 | return 0; |
| 5567 | } |
| 5568 | |
Sreenivasa Honnur | 0cec35e | 2007-05-10 04:06:28 -0400 | [diff] [blame] | 5569 | static void s2io_ethtool_gringparam(struct net_device *dev, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5570 | struct ethtool_ringparam *ering) |
Sreenivasa Honnur | 0cec35e | 2007-05-10 04:06:28 -0400 | [diff] [blame] | 5571 | { |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 5572 | struct s2io_nic *sp = netdev_priv(dev); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5573 | int i, tx_desc_count = 0, rx_desc_count = 0; |
Sreenivasa Honnur | 0cec35e | 2007-05-10 04:06:28 -0400 | [diff] [blame] | 5574 | |
Jon Mason | 1853e2e | 2010-12-10 15:40:01 +0000 | [diff] [blame] | 5575 | if (sp->rxd_mode == RXD_MODE_1) { |
Sreenivasa Honnur | 0cec35e | 2007-05-10 04:06:28 -0400 | [diff] [blame] | 5576 | ering->rx_max_pending = MAX_RX_DESC_1; |
Jon Mason | 1853e2e | 2010-12-10 15:40:01 +0000 | [diff] [blame] | 5577 | ering->rx_jumbo_max_pending = MAX_RX_DESC_1; |
| 5578 | } else { |
Sreenivasa Honnur | 0cec35e | 2007-05-10 04:06:28 -0400 | [diff] [blame] | 5579 | ering->rx_max_pending = MAX_RX_DESC_2; |
Jon Mason | 1853e2e | 2010-12-10 15:40:01 +0000 | [diff] [blame] | 5580 | ering->rx_jumbo_max_pending = MAX_RX_DESC_2; |
| 5581 | } |
Sreenivasa Honnur | 0cec35e | 2007-05-10 04:06:28 -0400 | [diff] [blame] | 5582 | |
| 5583 | ering->rx_mini_max_pending = 0; |
Jon Mason | 1853e2e | 2010-12-10 15:40:01 +0000 | [diff] [blame] | 5584 | ering->tx_max_pending = MAX_TX_DESC; |
| 5585 | |
| 5586 | for (i = 0; i < sp->config.rx_ring_num; i++) |
| 5587 | rx_desc_count += sp->config.rx_cfg[i].num_rxd; |
| 5588 | ering->rx_pending = rx_desc_count; |
Sreenivasa Honnur | 0cec35e | 2007-05-10 04:06:28 -0400 | [diff] [blame] | 5589 | ering->rx_jumbo_pending = rx_desc_count; |
Jon Mason | 1853e2e | 2010-12-10 15:40:01 +0000 | [diff] [blame] | 5590 | ering->rx_mini_pending = 0; |
| 5591 | |
| 5592 | for (i = 0; i < sp->config.tx_fifo_num; i++) |
| 5593 | tx_desc_count += sp->config.tx_cfg[i].fifo_len; |
| 5594 | ering->tx_pending = tx_desc_count; |
| 5595 | DBG_PRINT(INFO_DBG, "max txds: %d\n", sp->config.max_txds); |
Sreenivasa Honnur | 0cec35e | 2007-05-10 04:06:28 -0400 | [diff] [blame] | 5596 | } |
| 5597 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5598 | /** |
| 5599 | * s2io_ethtool_getpause_data -Pause frame frame generation and reception. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5600 | * @sp : private member of the device structure, which is a pointer to the |
| 5601 | * s2io_nic structure. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5602 | * @ep : pointer to the structure with pause parameters given by ethtool. |
| 5603 | * Description: |
| 5604 | * Returns the Pause frame generation and reception capability of the NIC. |
| 5605 | * Return value: |
| 5606 | * void |
| 5607 | */ |
| 5608 | static void s2io_ethtool_getpause_data(struct net_device *dev, |
| 5609 | struct ethtool_pauseparam *ep) |
| 5610 | { |
| 5611 | u64 val64; |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 5612 | struct s2io_nic *sp = netdev_priv(dev); |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 5613 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5614 | |
| 5615 | val64 = readq(&bar0->rmac_pause_cfg); |
| 5616 | if (val64 & RMAC_PAUSE_GEN_ENABLE) |
Tobias Klauser | f957bcf | 2009-06-04 23:07:59 +0000 | [diff] [blame] | 5617 | ep->tx_pause = true; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5618 | if (val64 & RMAC_PAUSE_RX_ENABLE) |
Tobias Klauser | f957bcf | 2009-06-04 23:07:59 +0000 | [diff] [blame] | 5619 | ep->rx_pause = true; |
| 5620 | ep->autoneg = false; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5621 | } |
| 5622 | |
| 5623 | /** |
| 5624 | * s2io_ethtool_setpause_data - set/reset pause frame generation. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5625 | * @sp : private member of the device structure, which is a pointer to the |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5626 | * s2io_nic structure. |
| 5627 | * @ep : pointer to the structure with pause parameters given by ethtool. |
| 5628 | * Description: |
| 5629 | * It can be used to set or reset Pause frame generation or reception |
| 5630 | * support of the NIC. |
| 5631 | * Return value: |
| 5632 | * int, returns 0 on Success |
| 5633 | */ |
| 5634 | |
| 5635 | static int s2io_ethtool_setpause_data(struct net_device *dev, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5636 | struct ethtool_pauseparam *ep) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5637 | { |
| 5638 | u64 val64; |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 5639 | struct s2io_nic *sp = netdev_priv(dev); |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 5640 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5641 | |
| 5642 | val64 = readq(&bar0->rmac_pause_cfg); |
| 5643 | if (ep->tx_pause) |
| 5644 | val64 |= RMAC_PAUSE_GEN_ENABLE; |
| 5645 | else |
| 5646 | val64 &= ~RMAC_PAUSE_GEN_ENABLE; |
| 5647 | if (ep->rx_pause) |
| 5648 | val64 |= RMAC_PAUSE_RX_ENABLE; |
| 5649 | else |
| 5650 | val64 &= ~RMAC_PAUSE_RX_ENABLE; |
| 5651 | writeq(val64, &bar0->rmac_pause_cfg); |
| 5652 | return 0; |
| 5653 | } |
| 5654 | |
| 5655 | /** |
| 5656 | * read_eeprom - reads 4 bytes of data from user given offset. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5657 | * @sp : private member of the device structure, which is a pointer to the |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5658 | * s2io_nic structure. |
| 5659 | * @off : offset at which the data must be written |
| 5660 | * @data : Its an output parameter where the data read at the given |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5661 | * offset is stored. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5662 | * Description: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5663 | * Will read 4 bytes of data from the user given offset and return the |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5664 | * read data. |
| 5665 | * NOTE: Will allow to read only part of the EEPROM visible through the |
| 5666 | * I2C bus. |
| 5667 | * Return value: |
| 5668 | * -1 on failure and 0 on success. |
| 5669 | */ |
| 5670 | |
| 5671 | #define S2IO_DEV_ID 5 |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5672 | static int read_eeprom(struct s2io_nic *sp, int off, u64 *data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5673 | { |
| 5674 | int ret = -1; |
| 5675 | u32 exit_cnt = 0; |
| 5676 | u64 val64; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 5677 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5678 | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5679 | if (sp->device_type == XFRAME_I_DEVICE) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5680 | val64 = I2C_CONTROL_DEV_ID(S2IO_DEV_ID) | |
| 5681 | I2C_CONTROL_ADDR(off) | |
| 5682 | I2C_CONTROL_BYTE_CNT(0x3) | |
| 5683 | I2C_CONTROL_READ | |
| 5684 | I2C_CONTROL_CNTL_START; |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5685 | SPECIAL_REG_WRITE(val64, &bar0->i2c_control, LF); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5686 | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5687 | while (exit_cnt < 5) { |
| 5688 | val64 = readq(&bar0->i2c_control); |
| 5689 | if (I2C_CONTROL_CNTL_END(val64)) { |
| 5690 | *data = I2C_CONTROL_GET_DATA(val64); |
| 5691 | ret = 0; |
| 5692 | break; |
| 5693 | } |
| 5694 | msleep(50); |
| 5695 | exit_cnt++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5696 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5697 | } |
| 5698 | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5699 | if (sp->device_type == XFRAME_II_DEVICE) { |
| 5700 | val64 = SPI_CONTROL_KEY(0x9) | SPI_CONTROL_SEL1 | |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 5701 | SPI_CONTROL_BYTECNT(0x3) | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5702 | SPI_CONTROL_CMD(0x3) | SPI_CONTROL_ADDR(off); |
| 5703 | SPECIAL_REG_WRITE(val64, &bar0->spi_control, LF); |
| 5704 | val64 |= SPI_CONTROL_REQ; |
| 5705 | SPECIAL_REG_WRITE(val64, &bar0->spi_control, LF); |
| 5706 | while (exit_cnt < 5) { |
| 5707 | val64 = readq(&bar0->spi_control); |
| 5708 | if (val64 & SPI_CONTROL_NACK) { |
| 5709 | ret = 1; |
| 5710 | break; |
| 5711 | } else if (val64 & SPI_CONTROL_DONE) { |
| 5712 | *data = readq(&bar0->spi_data); |
| 5713 | *data &= 0xffffff; |
| 5714 | ret = 0; |
| 5715 | break; |
| 5716 | } |
| 5717 | msleep(50); |
| 5718 | exit_cnt++; |
| 5719 | } |
| 5720 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5721 | return ret; |
| 5722 | } |
| 5723 | |
| 5724 | /** |
| 5725 | * write_eeprom - actually writes the relevant part of the data value. |
| 5726 | * @sp : private member of the device structure, which is a pointer to the |
| 5727 | * s2io_nic structure. |
| 5728 | * @off : offset at which the data must be written |
| 5729 | * @data : The data that is to be written |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5730 | * @cnt : Number of bytes of the data that are actually to be written into |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5731 | * the Eeprom. (max of 3) |
| 5732 | * Description: |
| 5733 | * Actually writes the relevant part of the data value into the Eeprom |
| 5734 | * through the I2C bus. |
| 5735 | * Return value: |
| 5736 | * 0 on success, -1 on failure. |
| 5737 | */ |
| 5738 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5739 | static int write_eeprom(struct s2io_nic *sp, int off, u64 data, int cnt) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5740 | { |
| 5741 | int exit_cnt = 0, ret = -1; |
| 5742 | u64 val64; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 5743 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5744 | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5745 | if (sp->device_type == XFRAME_I_DEVICE) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5746 | val64 = I2C_CONTROL_DEV_ID(S2IO_DEV_ID) | |
| 5747 | I2C_CONTROL_ADDR(off) | |
| 5748 | I2C_CONTROL_BYTE_CNT(cnt) | |
| 5749 | I2C_CONTROL_SET_DATA((u32)data) | |
| 5750 | I2C_CONTROL_CNTL_START; |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5751 | SPECIAL_REG_WRITE(val64, &bar0->i2c_control, LF); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5752 | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5753 | while (exit_cnt < 5) { |
| 5754 | val64 = readq(&bar0->i2c_control); |
| 5755 | if (I2C_CONTROL_CNTL_END(val64)) { |
| 5756 | if (!(val64 & I2C_CONTROL_NACK)) |
| 5757 | ret = 0; |
| 5758 | break; |
| 5759 | } |
| 5760 | msleep(50); |
| 5761 | exit_cnt++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5762 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5763 | } |
| 5764 | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5765 | if (sp->device_type == XFRAME_II_DEVICE) { |
| 5766 | int write_cnt = (cnt == 8) ? 0 : cnt; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5767 | writeq(SPI_DATA_WRITE(data, (cnt << 3)), &bar0->spi_data); |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5768 | |
| 5769 | val64 = SPI_CONTROL_KEY(0x9) | SPI_CONTROL_SEL1 | |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 5770 | SPI_CONTROL_BYTECNT(write_cnt) | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5771 | SPI_CONTROL_CMD(0x2) | SPI_CONTROL_ADDR(off); |
| 5772 | SPECIAL_REG_WRITE(val64, &bar0->spi_control, LF); |
| 5773 | val64 |= SPI_CONTROL_REQ; |
| 5774 | SPECIAL_REG_WRITE(val64, &bar0->spi_control, LF); |
| 5775 | while (exit_cnt < 5) { |
| 5776 | val64 = readq(&bar0->spi_control); |
| 5777 | if (val64 & SPI_CONTROL_NACK) { |
| 5778 | ret = 1; |
| 5779 | break; |
| 5780 | } else if (val64 & SPI_CONTROL_DONE) { |
| 5781 | ret = 0; |
| 5782 | break; |
| 5783 | } |
| 5784 | msleep(50); |
| 5785 | exit_cnt++; |
| 5786 | } |
| 5787 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5788 | return ret; |
| 5789 | } |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 5790 | static void s2io_vpd_read(struct s2io_nic *nic) |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 5791 | { |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 5792 | u8 *vpd_data; |
| 5793 | u8 data; |
Kulikov Vasiliy | 9c17978 | 2010-07-23 06:36:15 +0000 | [diff] [blame] | 5794 | int i = 0, cnt, len, fail = 0; |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 5795 | int vpd_addr = 0x80; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 5796 | struct swStat *swstats = &nic->mac_control.stats_info->sw_stat; |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 5797 | |
| 5798 | if (nic->device_type == XFRAME_II_DEVICE) { |
| 5799 | strcpy(nic->product_name, "Xframe II 10GbE network adapter"); |
| 5800 | vpd_addr = 0x80; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5801 | } else { |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 5802 | strcpy(nic->product_name, "Xframe I 10GbE network adapter"); |
| 5803 | vpd_addr = 0x50; |
| 5804 | } |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 5805 | strcpy(nic->serial_num, "NOT AVAILABLE"); |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 5806 | |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 5807 | vpd_data = kmalloc(256, GFP_KERNEL); |
Sreenivasa Honnur | c53d494 | 2007-05-10 04:18:54 -0400 | [diff] [blame] | 5808 | if (!vpd_data) { |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 5809 | swstats->mem_alloc_fail_cnt++; |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 5810 | return; |
Sreenivasa Honnur | c53d494 | 2007-05-10 04:18:54 -0400 | [diff] [blame] | 5811 | } |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 5812 | swstats->mem_allocated += 256; |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 5813 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5814 | for (i = 0; i < 256; i += 4) { |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 5815 | pci_write_config_byte(nic->pdev, (vpd_addr + 2), i); |
| 5816 | pci_read_config_byte(nic->pdev, (vpd_addr + 2), &data); |
| 5817 | pci_write_config_byte(nic->pdev, (vpd_addr + 3), 0); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5818 | for (cnt = 0; cnt < 5; cnt++) { |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 5819 | msleep(2); |
| 5820 | pci_read_config_byte(nic->pdev, (vpd_addr + 3), &data); |
| 5821 | if (data == 0x80) |
| 5822 | break; |
| 5823 | } |
| 5824 | if (cnt >= 5) { |
| 5825 | DBG_PRINT(ERR_DBG, "Read of VPD data failed\n"); |
| 5826 | fail = 1; |
| 5827 | break; |
| 5828 | } |
| 5829 | pci_read_config_dword(nic->pdev, (vpd_addr + 4), |
| 5830 | (u32 *)&vpd_data[i]); |
| 5831 | } |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 5832 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5833 | if (!fail) { |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 5834 | /* read serial number of adapter */ |
Kulikov Vasiliy | 9c17978 | 2010-07-23 06:36:15 +0000 | [diff] [blame] | 5835 | for (cnt = 0; cnt < 252; cnt++) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5836 | if ((vpd_data[cnt] == 'S') && |
Kulikov Vasiliy | 9c17978 | 2010-07-23 06:36:15 +0000 | [diff] [blame] | 5837 | (vpd_data[cnt+1] == 'N')) { |
| 5838 | len = vpd_data[cnt+2]; |
| 5839 | if (len < min(VPD_STRING_LEN, 256-cnt-2)) { |
| 5840 | memcpy(nic->serial_num, |
| 5841 | &vpd_data[cnt + 3], |
| 5842 | len); |
| 5843 | memset(nic->serial_num+len, |
| 5844 | 0, |
| 5845 | VPD_STRING_LEN-len); |
| 5846 | break; |
| 5847 | } |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 5848 | } |
| 5849 | } |
| 5850 | } |
| 5851 | |
Kulikov Vasiliy | 9c17978 | 2010-07-23 06:36:15 +0000 | [diff] [blame] | 5852 | if ((!fail) && (vpd_data[1] < VPD_STRING_LEN)) { |
| 5853 | len = vpd_data[1]; |
| 5854 | memcpy(nic->product_name, &vpd_data[3], len); |
| 5855 | nic->product_name[len] = 0; |
| 5856 | } |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 5857 | kfree(vpd_data); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 5858 | swstats->mem_freed += 256; |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 5859 | } |
| 5860 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5861 | /** |
| 5862 | * s2io_ethtool_geeprom - reads the value stored in the Eeprom. |
| 5863 | * @sp : private member of the device structure, which is a pointer to the * s2io_nic structure. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5864 | * @eeprom : pointer to the user level structure provided by ethtool, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5865 | * containing all relevant information. |
| 5866 | * @data_buf : user defined value to be written into Eeprom. |
| 5867 | * Description: Reads the values stored in the Eeprom at given offset |
| 5868 | * for a given length. Stores these values int the input argument data |
| 5869 | * buffer 'data_buf' and returns these to the caller (ethtool.) |
| 5870 | * Return value: |
| 5871 | * int 0 on success |
| 5872 | */ |
| 5873 | |
| 5874 | static int s2io_ethtool_geeprom(struct net_device *dev, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5875 | struct ethtool_eeprom *eeprom, u8 * data_buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5876 | { |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5877 | u32 i, valid; |
| 5878 | u64 data; |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 5879 | struct s2io_nic *sp = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5880 | |
| 5881 | eeprom->magic = sp->pdev->vendor | (sp->pdev->device << 16); |
| 5882 | |
| 5883 | if ((eeprom->offset + eeprom->len) > (XENA_EEPROM_SPACE)) |
| 5884 | eeprom->len = XENA_EEPROM_SPACE - eeprom->offset; |
| 5885 | |
| 5886 | for (i = 0; i < eeprom->len; i += 4) { |
| 5887 | if (read_eeprom(sp, (eeprom->offset + i), &data)) { |
| 5888 | DBG_PRINT(ERR_DBG, "Read of EEPROM failed\n"); |
| 5889 | return -EFAULT; |
| 5890 | } |
| 5891 | valid = INV(data); |
| 5892 | memcpy((data_buf + i), &valid, 4); |
| 5893 | } |
| 5894 | return 0; |
| 5895 | } |
| 5896 | |
| 5897 | /** |
| 5898 | * s2io_ethtool_seeprom - tries to write the user provided value in Eeprom |
| 5899 | * @sp : private member of the device structure, which is a pointer to the |
| 5900 | * s2io_nic structure. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5901 | * @eeprom : pointer to the user level structure provided by ethtool, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5902 | * containing all relevant information. |
| 5903 | * @data_buf ; user defined value to be written into Eeprom. |
| 5904 | * Description: |
| 5905 | * Tries to write the user provided value in the Eeprom, at the offset |
| 5906 | * given by the user. |
| 5907 | * Return value: |
| 5908 | * 0 on success, -EFAULT on failure. |
| 5909 | */ |
| 5910 | |
| 5911 | static int s2io_ethtool_seeprom(struct net_device *dev, |
| 5912 | struct ethtool_eeprom *eeprom, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5913 | u8 *data_buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5914 | { |
| 5915 | int len = eeprom->len, cnt = 0; |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5916 | u64 valid = 0, data; |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 5917 | struct s2io_nic *sp = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5918 | |
| 5919 | if (eeprom->magic != (sp->pdev->vendor | (sp->pdev->device << 16))) { |
| 5920 | DBG_PRINT(ERR_DBG, |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 5921 | "ETHTOOL_WRITE_EEPROM Err: " |
| 5922 | "Magic value is wrong, it is 0x%x should be 0x%x\n", |
| 5923 | (sp->pdev->vendor | (sp->pdev->device << 16)), |
| 5924 | eeprom->magic); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5925 | return -EFAULT; |
| 5926 | } |
| 5927 | |
| 5928 | while (len) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5929 | data = (u32)data_buf[cnt] & 0x000000FF; |
| 5930 | if (data) |
| 5931 | valid = (u32)(data << 24); |
| 5932 | else |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5933 | valid = data; |
| 5934 | |
| 5935 | if (write_eeprom(sp, (eeprom->offset + cnt), valid, 0)) { |
| 5936 | DBG_PRINT(ERR_DBG, |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 5937 | "ETHTOOL_WRITE_EEPROM Err: " |
| 5938 | "Cannot write into the specified offset\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5939 | return -EFAULT; |
| 5940 | } |
| 5941 | cnt++; |
| 5942 | len--; |
| 5943 | } |
| 5944 | |
| 5945 | return 0; |
| 5946 | } |
| 5947 | |
| 5948 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5949 | * s2io_register_test - reads and writes into all clock domains. |
| 5950 | * @sp : private member of the device structure, which is a pointer to the |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5951 | * s2io_nic structure. |
| 5952 | * @data : variable that returns the result of each of the test conducted b |
| 5953 | * by the driver. |
| 5954 | * Description: |
| 5955 | * Read and write into all clock domains. The NIC has 3 clock domains, |
| 5956 | * see that registers in all the three regions are accessible. |
| 5957 | * Return value: |
| 5958 | * 0 on success. |
| 5959 | */ |
| 5960 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5961 | static int s2io_register_test(struct s2io_nic *sp, uint64_t *data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5962 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 5963 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5964 | u64 val64 = 0, exp_val; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5965 | int fail = 0; |
| 5966 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5967 | val64 = readq(&bar0->pif_rd_swapper_fb); |
| 5968 | if (val64 != 0x123456789abcdefULL) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5969 | fail = 1; |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 5970 | DBG_PRINT(INFO_DBG, "Read Test level %d fails\n", 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5971 | } |
| 5972 | |
| 5973 | val64 = readq(&bar0->rmac_pause_cfg); |
| 5974 | if (val64 != 0xc000ffff00000000ULL) { |
| 5975 | fail = 1; |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 5976 | DBG_PRINT(INFO_DBG, "Read Test level %d fails\n", 2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5977 | } |
| 5978 | |
| 5979 | val64 = readq(&bar0->rx_queue_cfg); |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5980 | if (sp->device_type == XFRAME_II_DEVICE) |
| 5981 | exp_val = 0x0404040404040404ULL; |
| 5982 | else |
| 5983 | exp_val = 0x0808080808080808ULL; |
| 5984 | if (val64 != exp_val) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5985 | fail = 1; |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 5986 | DBG_PRINT(INFO_DBG, "Read Test level %d fails\n", 3); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5987 | } |
| 5988 | |
| 5989 | val64 = readq(&bar0->xgxs_efifo_cfg); |
| 5990 | if (val64 != 0x000000001923141EULL) { |
| 5991 | fail = 1; |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 5992 | DBG_PRINT(INFO_DBG, "Read Test level %d fails\n", 4); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5993 | } |
| 5994 | |
| 5995 | val64 = 0x5A5A5A5A5A5A5A5AULL; |
| 5996 | writeq(val64, &bar0->xmsi_data); |
| 5997 | val64 = readq(&bar0->xmsi_data); |
| 5998 | if (val64 != 0x5A5A5A5A5A5A5A5AULL) { |
| 5999 | fail = 1; |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 6000 | DBG_PRINT(ERR_DBG, "Write Test level %d fails\n", 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6001 | } |
| 6002 | |
| 6003 | val64 = 0xA5A5A5A5A5A5A5A5ULL; |
| 6004 | writeq(val64, &bar0->xmsi_data); |
| 6005 | val64 = readq(&bar0->xmsi_data); |
| 6006 | if (val64 != 0xA5A5A5A5A5A5A5A5ULL) { |
| 6007 | fail = 1; |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 6008 | DBG_PRINT(ERR_DBG, "Write Test level %d fails\n", 2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6009 | } |
| 6010 | |
| 6011 | *data = fail; |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 6012 | return fail; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6013 | } |
| 6014 | |
| 6015 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 6016 | * s2io_eeprom_test - to verify that EEprom in the xena can be programmed. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6017 | * @sp : private member of the device structure, which is a pointer to the |
| 6018 | * s2io_nic structure. |
| 6019 | * @data:variable that returns the result of each of the test conducted by |
| 6020 | * the driver. |
| 6021 | * Description: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 6022 | * Verify that EEPROM in the xena can be programmed using I2C_CONTROL |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6023 | * register. |
| 6024 | * Return value: |
| 6025 | * 0 on success. |
| 6026 | */ |
| 6027 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6028 | static int s2io_eeprom_test(struct s2io_nic *sp, uint64_t *data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6029 | { |
| 6030 | int fail = 0; |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 6031 | u64 ret_data, org_4F0, org_7F0; |
| 6032 | u8 saved_4F0 = 0, saved_7F0 = 0; |
| 6033 | struct net_device *dev = sp->dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6034 | |
| 6035 | /* Test Write Error at offset 0 */ |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 6036 | /* Note that SPI interface allows write access to all areas |
| 6037 | * of EEPROM. Hence doing all negative testing only for Xframe I. |
| 6038 | */ |
| 6039 | if (sp->device_type == XFRAME_I_DEVICE) |
| 6040 | if (!write_eeprom(sp, 0, 0, 3)) |
| 6041 | fail = 1; |
| 6042 | |
| 6043 | /* Save current values at offsets 0x4F0 and 0x7F0 */ |
| 6044 | if (!read_eeprom(sp, 0x4F0, &org_4F0)) |
| 6045 | saved_4F0 = 1; |
| 6046 | if (!read_eeprom(sp, 0x7F0, &org_7F0)) |
| 6047 | saved_7F0 = 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6048 | |
| 6049 | /* Test Write at offset 4f0 */ |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 6050 | if (write_eeprom(sp, 0x4F0, 0x012345, 3)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6051 | fail = 1; |
| 6052 | if (read_eeprom(sp, 0x4F0, &ret_data)) |
| 6053 | fail = 1; |
| 6054 | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 6055 | if (ret_data != 0x012345) { |
Andrew Morton | 26b7625 | 2005-12-14 19:25:23 -0800 | [diff] [blame] | 6056 | DBG_PRINT(ERR_DBG, "%s: eeprom test error at offset 0x4F0. " |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6057 | "Data written %llx Data read %llx\n", |
| 6058 | dev->name, (unsigned long long)0x12345, |
| 6059 | (unsigned long long)ret_data); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6060 | fail = 1; |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 6061 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6062 | |
| 6063 | /* Reset the EEPROM data go FFFF */ |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 6064 | write_eeprom(sp, 0x4F0, 0xFFFFFF, 3); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6065 | |
| 6066 | /* Test Write Request Error at offset 0x7c */ |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 6067 | if (sp->device_type == XFRAME_I_DEVICE) |
| 6068 | if (!write_eeprom(sp, 0x07C, 0, 3)) |
| 6069 | fail = 1; |
| 6070 | |
| 6071 | /* Test Write Request at offset 0x7f0 */ |
| 6072 | if (write_eeprom(sp, 0x7F0, 0x012345, 3)) |
| 6073 | fail = 1; |
| 6074 | if (read_eeprom(sp, 0x7F0, &ret_data)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6075 | fail = 1; |
| 6076 | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 6077 | if (ret_data != 0x012345) { |
Andrew Morton | 26b7625 | 2005-12-14 19:25:23 -0800 | [diff] [blame] | 6078 | DBG_PRINT(ERR_DBG, "%s: eeprom test error at offset 0x7F0. " |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6079 | "Data written %llx Data read %llx\n", |
| 6080 | dev->name, (unsigned long long)0x12345, |
| 6081 | (unsigned long long)ret_data); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6082 | fail = 1; |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 6083 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6084 | |
| 6085 | /* Reset the EEPROM data go FFFF */ |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 6086 | write_eeprom(sp, 0x7F0, 0xFFFFFF, 3); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6087 | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 6088 | if (sp->device_type == XFRAME_I_DEVICE) { |
| 6089 | /* Test Write Error at offset 0x80 */ |
| 6090 | if (!write_eeprom(sp, 0x080, 0, 3)) |
| 6091 | fail = 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6092 | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 6093 | /* Test Write Error at offset 0xfc */ |
| 6094 | if (!write_eeprom(sp, 0x0FC, 0, 3)) |
| 6095 | fail = 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6096 | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 6097 | /* Test Write Error at offset 0x100 */ |
| 6098 | if (!write_eeprom(sp, 0x100, 0, 3)) |
| 6099 | fail = 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6100 | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 6101 | /* Test Write Error at offset 4ec */ |
| 6102 | if (!write_eeprom(sp, 0x4EC, 0, 3)) |
| 6103 | fail = 1; |
| 6104 | } |
| 6105 | |
| 6106 | /* Restore values at offsets 0x4F0 and 0x7F0 */ |
| 6107 | if (saved_4F0) |
| 6108 | write_eeprom(sp, 0x4F0, org_4F0, 3); |
| 6109 | if (saved_7F0) |
| 6110 | write_eeprom(sp, 0x7F0, org_7F0, 3); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6111 | |
| 6112 | *data = fail; |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 6113 | return fail; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6114 | } |
| 6115 | |
| 6116 | /** |
| 6117 | * s2io_bist_test - invokes the MemBist test of the card . |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 6118 | * @sp : private member of the device structure, which is a pointer to the |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6119 | * s2io_nic structure. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 6120 | * @data:variable that returns the result of each of the test conducted by |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6121 | * the driver. |
| 6122 | * Description: |
| 6123 | * This invokes the MemBist test of the card. We give around |
| 6124 | * 2 secs time for the Test to complete. If it's still not complete |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 6125 | * within this peiod, we consider that the test failed. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6126 | * Return value: |
| 6127 | * 0 on success and -1 on failure. |
| 6128 | */ |
| 6129 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6130 | static int s2io_bist_test(struct s2io_nic *sp, uint64_t *data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6131 | { |
| 6132 | u8 bist = 0; |
| 6133 | int cnt = 0, ret = -1; |
| 6134 | |
| 6135 | pci_read_config_byte(sp->pdev, PCI_BIST, &bist); |
| 6136 | bist |= PCI_BIST_START; |
| 6137 | pci_write_config_word(sp->pdev, PCI_BIST, bist); |
| 6138 | |
| 6139 | while (cnt < 20) { |
| 6140 | pci_read_config_byte(sp->pdev, PCI_BIST, &bist); |
| 6141 | if (!(bist & PCI_BIST_START)) { |
| 6142 | *data = (bist & PCI_BIST_CODE_MASK); |
| 6143 | ret = 0; |
| 6144 | break; |
| 6145 | } |
| 6146 | msleep(100); |
| 6147 | cnt++; |
| 6148 | } |
| 6149 | |
| 6150 | return ret; |
| 6151 | } |
| 6152 | |
| 6153 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 6154 | * s2io-link_test - verifies the link state of the nic |
| 6155 | * @sp ; private member of the device structure, which is a pointer to the |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6156 | * s2io_nic structure. |
| 6157 | * @data: variable that returns the result of each of the test conducted by |
| 6158 | * the driver. |
| 6159 | * Description: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 6160 | * The function verifies the link state of the NIC and updates the input |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6161 | * argument 'data' appropriately. |
| 6162 | * Return value: |
| 6163 | * 0 on success. |
| 6164 | */ |
| 6165 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6166 | static int s2io_link_test(struct s2io_nic *sp, uint64_t *data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6167 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 6168 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6169 | u64 val64; |
| 6170 | |
| 6171 | val64 = readq(&bar0->adapter_status); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6172 | if (!(LINK_IS_UP(val64))) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6173 | *data = 1; |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 6174 | else |
| 6175 | *data = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6176 | |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 6177 | return *data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6178 | } |
| 6179 | |
| 6180 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 6181 | * s2io_rldram_test - offline test for access to the RldRam chip on the NIC |
| 6182 | * @sp - private member of the device structure, which is a pointer to the |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6183 | * s2io_nic structure. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 6184 | * @data - variable that returns the result of each of the test |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6185 | * conducted by the driver. |
| 6186 | * Description: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 6187 | * This is one of the offline test that tests the read and write |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6188 | * access to the RldRam chip on the NIC. |
| 6189 | * Return value: |
| 6190 | * 0 on success. |
| 6191 | */ |
| 6192 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6193 | static int s2io_rldram_test(struct s2io_nic *sp, uint64_t *data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6194 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 6195 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6196 | u64 val64; |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 6197 | int cnt, iteration = 0, test_fail = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6198 | |
| 6199 | val64 = readq(&bar0->adapter_control); |
| 6200 | val64 &= ~ADAPTER_ECC_EN; |
| 6201 | writeq(val64, &bar0->adapter_control); |
| 6202 | |
| 6203 | val64 = readq(&bar0->mc_rldram_test_ctrl); |
| 6204 | val64 |= MC_RLDRAM_TEST_MODE; |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 6205 | SPECIAL_REG_WRITE(val64, &bar0->mc_rldram_test_ctrl, LF); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6206 | |
| 6207 | val64 = readq(&bar0->mc_rldram_mrs); |
| 6208 | val64 |= MC_RLDRAM_QUEUE_SIZE_ENABLE; |
| 6209 | SPECIAL_REG_WRITE(val64, &bar0->mc_rldram_mrs, UF); |
| 6210 | |
| 6211 | val64 |= MC_RLDRAM_MRS_ENABLE; |
| 6212 | SPECIAL_REG_WRITE(val64, &bar0->mc_rldram_mrs, UF); |
| 6213 | |
| 6214 | while (iteration < 2) { |
| 6215 | val64 = 0x55555555aaaa0000ULL; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6216 | if (iteration == 1) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6217 | val64 ^= 0xFFFFFFFFFFFF0000ULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6218 | writeq(val64, &bar0->mc_rldram_test_d0); |
| 6219 | |
| 6220 | val64 = 0xaaaa5a5555550000ULL; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6221 | if (iteration == 1) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6222 | val64 ^= 0xFFFFFFFFFFFF0000ULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6223 | writeq(val64, &bar0->mc_rldram_test_d1); |
| 6224 | |
| 6225 | val64 = 0x55aaaaaaaa5a0000ULL; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6226 | if (iteration == 1) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6227 | val64 ^= 0xFFFFFFFFFFFF0000ULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6228 | writeq(val64, &bar0->mc_rldram_test_d2); |
| 6229 | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 6230 | val64 = (u64) (0x0000003ffffe0100ULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6231 | writeq(val64, &bar0->mc_rldram_test_add); |
| 6232 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6233 | val64 = MC_RLDRAM_TEST_MODE | |
| 6234 | MC_RLDRAM_TEST_WRITE | |
| 6235 | MC_RLDRAM_TEST_GO; |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 6236 | SPECIAL_REG_WRITE(val64, &bar0->mc_rldram_test_ctrl, LF); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6237 | |
| 6238 | for (cnt = 0; cnt < 5; cnt++) { |
| 6239 | val64 = readq(&bar0->mc_rldram_test_ctrl); |
| 6240 | if (val64 & MC_RLDRAM_TEST_DONE) |
| 6241 | break; |
| 6242 | msleep(200); |
| 6243 | } |
| 6244 | |
| 6245 | if (cnt == 5) |
| 6246 | break; |
| 6247 | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 6248 | val64 = MC_RLDRAM_TEST_MODE | MC_RLDRAM_TEST_GO; |
| 6249 | SPECIAL_REG_WRITE(val64, &bar0->mc_rldram_test_ctrl, LF); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6250 | |
| 6251 | for (cnt = 0; cnt < 5; cnt++) { |
| 6252 | val64 = readq(&bar0->mc_rldram_test_ctrl); |
| 6253 | if (val64 & MC_RLDRAM_TEST_DONE) |
| 6254 | break; |
| 6255 | msleep(500); |
| 6256 | } |
| 6257 | |
| 6258 | if (cnt == 5) |
| 6259 | break; |
| 6260 | |
| 6261 | val64 = readq(&bar0->mc_rldram_test_ctrl); |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 6262 | if (!(val64 & MC_RLDRAM_TEST_PASS)) |
| 6263 | test_fail = 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6264 | |
| 6265 | iteration++; |
| 6266 | } |
| 6267 | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 6268 | *data = test_fail; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6269 | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 6270 | /* Bring the adapter out of test mode */ |
| 6271 | SPECIAL_REG_WRITE(0, &bar0->mc_rldram_test_ctrl, LF); |
| 6272 | |
| 6273 | return test_fail; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6274 | } |
| 6275 | |
| 6276 | /** |
| 6277 | * s2io_ethtool_test - conducts 6 tsets to determine the health of card. |
| 6278 | * @sp : private member of the device structure, which is a pointer to the |
| 6279 | * s2io_nic structure. |
| 6280 | * @ethtest : pointer to a ethtool command specific structure that will be |
| 6281 | * returned to the user. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 6282 | * @data : variable that returns the result of each of the test |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6283 | * conducted by the driver. |
| 6284 | * Description: |
| 6285 | * This function conducts 6 tests ( 4 offline and 2 online) to determine |
| 6286 | * the health of the card. |
| 6287 | * Return value: |
| 6288 | * void |
| 6289 | */ |
| 6290 | |
| 6291 | static void s2io_ethtool_test(struct net_device *dev, |
| 6292 | struct ethtool_test *ethtest, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6293 | uint64_t *data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6294 | { |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 6295 | struct s2io_nic *sp = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6296 | int orig_state = netif_running(sp->dev); |
| 6297 | |
| 6298 | if (ethtest->flags == ETH_TEST_FL_OFFLINE) { |
| 6299 | /* Offline Tests. */ |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 6300 | if (orig_state) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6301 | s2io_close(sp->dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6302 | |
| 6303 | if (s2io_register_test(sp, &data[0])) |
| 6304 | ethtest->flags |= ETH_TEST_FL_FAILED; |
| 6305 | |
| 6306 | s2io_reset(sp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6307 | |
| 6308 | if (s2io_rldram_test(sp, &data[3])) |
| 6309 | ethtest->flags |= ETH_TEST_FL_FAILED; |
| 6310 | |
| 6311 | s2io_reset(sp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6312 | |
| 6313 | if (s2io_eeprom_test(sp, &data[1])) |
| 6314 | ethtest->flags |= ETH_TEST_FL_FAILED; |
| 6315 | |
| 6316 | if (s2io_bist_test(sp, &data[4])) |
| 6317 | ethtest->flags |= ETH_TEST_FL_FAILED; |
| 6318 | |
| 6319 | if (orig_state) |
| 6320 | s2io_open(sp->dev); |
| 6321 | |
| 6322 | data[2] = 0; |
| 6323 | } else { |
| 6324 | /* Online Tests. */ |
| 6325 | if (!orig_state) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6326 | DBG_PRINT(ERR_DBG, "%s: is not up, cannot run test\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6327 | dev->name); |
| 6328 | data[0] = -1; |
| 6329 | data[1] = -1; |
| 6330 | data[2] = -1; |
| 6331 | data[3] = -1; |
| 6332 | data[4] = -1; |
| 6333 | } |
| 6334 | |
| 6335 | if (s2io_link_test(sp, &data[2])) |
| 6336 | ethtest->flags |= ETH_TEST_FL_FAILED; |
| 6337 | |
| 6338 | data[0] = 0; |
| 6339 | data[1] = 0; |
| 6340 | data[3] = 0; |
| 6341 | data[4] = 0; |
| 6342 | } |
| 6343 | } |
| 6344 | |
| 6345 | static void s2io_get_ethtool_stats(struct net_device *dev, |
| 6346 | struct ethtool_stats *estats, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6347 | u64 *tmp_stats) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6348 | { |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 6349 | int i = 0, k; |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 6350 | struct s2io_nic *sp = netdev_priv(dev); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6351 | struct stat_block *stats = sp->mac_control.stats_info; |
| 6352 | struct swStat *swstats = &stats->sw_stat; |
| 6353 | struct xpakStat *xstats = &stats->xpak_stat; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6354 | |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 6355 | s2io_updt_stats(sp); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 6356 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6357 | (u64)le32_to_cpu(stats->tmac_frms_oflow) << 32 | |
| 6358 | le32_to_cpu(stats->tmac_frms); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 6359 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6360 | (u64)le32_to_cpu(stats->tmac_data_octets_oflow) << 32 | |
| 6361 | le32_to_cpu(stats->tmac_data_octets); |
| 6362 | tmp_stats[i++] = le64_to_cpu(stats->tmac_drop_frms); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 6363 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6364 | (u64)le32_to_cpu(stats->tmac_mcst_frms_oflow) << 32 | |
| 6365 | le32_to_cpu(stats->tmac_mcst_frms); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 6366 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6367 | (u64)le32_to_cpu(stats->tmac_bcst_frms_oflow) << 32 | |
| 6368 | le32_to_cpu(stats->tmac_bcst_frms); |
| 6369 | tmp_stats[i++] = le64_to_cpu(stats->tmac_pause_ctrl_frms); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 6370 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6371 | (u64)le32_to_cpu(stats->tmac_ttl_octets_oflow) << 32 | |
| 6372 | le32_to_cpu(stats->tmac_ttl_octets); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 6373 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6374 | (u64)le32_to_cpu(stats->tmac_ucst_frms_oflow) << 32 | |
| 6375 | le32_to_cpu(stats->tmac_ucst_frms); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6376 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6377 | (u64)le32_to_cpu(stats->tmac_nucst_frms_oflow) << 32 | |
| 6378 | le32_to_cpu(stats->tmac_nucst_frms); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 6379 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6380 | (u64)le32_to_cpu(stats->tmac_any_err_frms_oflow) << 32 | |
| 6381 | le32_to_cpu(stats->tmac_any_err_frms); |
| 6382 | tmp_stats[i++] = le64_to_cpu(stats->tmac_ttl_less_fb_octets); |
| 6383 | tmp_stats[i++] = le64_to_cpu(stats->tmac_vld_ip_octets); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 6384 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6385 | (u64)le32_to_cpu(stats->tmac_vld_ip_oflow) << 32 | |
| 6386 | le32_to_cpu(stats->tmac_vld_ip); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 6387 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6388 | (u64)le32_to_cpu(stats->tmac_drop_ip_oflow) << 32 | |
| 6389 | le32_to_cpu(stats->tmac_drop_ip); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 6390 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6391 | (u64)le32_to_cpu(stats->tmac_icmp_oflow) << 32 | |
| 6392 | le32_to_cpu(stats->tmac_icmp); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 6393 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6394 | (u64)le32_to_cpu(stats->tmac_rst_tcp_oflow) << 32 | |
| 6395 | le32_to_cpu(stats->tmac_rst_tcp); |
| 6396 | tmp_stats[i++] = le64_to_cpu(stats->tmac_tcp); |
| 6397 | tmp_stats[i++] = (u64)le32_to_cpu(stats->tmac_udp_oflow) << 32 | |
| 6398 | le32_to_cpu(stats->tmac_udp); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 6399 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6400 | (u64)le32_to_cpu(stats->rmac_vld_frms_oflow) << 32 | |
| 6401 | le32_to_cpu(stats->rmac_vld_frms); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 6402 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6403 | (u64)le32_to_cpu(stats->rmac_data_octets_oflow) << 32 | |
| 6404 | le32_to_cpu(stats->rmac_data_octets); |
| 6405 | tmp_stats[i++] = le64_to_cpu(stats->rmac_fcs_err_frms); |
| 6406 | tmp_stats[i++] = le64_to_cpu(stats->rmac_drop_frms); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 6407 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6408 | (u64)le32_to_cpu(stats->rmac_vld_mcst_frms_oflow) << 32 | |
| 6409 | le32_to_cpu(stats->rmac_vld_mcst_frms); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 6410 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6411 | (u64)le32_to_cpu(stats->rmac_vld_bcst_frms_oflow) << 32 | |
| 6412 | le32_to_cpu(stats->rmac_vld_bcst_frms); |
| 6413 | tmp_stats[i++] = le32_to_cpu(stats->rmac_in_rng_len_err_frms); |
| 6414 | tmp_stats[i++] = le32_to_cpu(stats->rmac_out_rng_len_err_frms); |
| 6415 | tmp_stats[i++] = le64_to_cpu(stats->rmac_long_frms); |
| 6416 | tmp_stats[i++] = le64_to_cpu(stats->rmac_pause_ctrl_frms); |
| 6417 | tmp_stats[i++] = le64_to_cpu(stats->rmac_unsup_ctrl_frms); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 6418 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6419 | (u64)le32_to_cpu(stats->rmac_ttl_octets_oflow) << 32 | |
| 6420 | le32_to_cpu(stats->rmac_ttl_octets); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6421 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6422 | (u64)le32_to_cpu(stats->rmac_accepted_ucst_frms_oflow) << 32 |
| 6423 | | le32_to_cpu(stats->rmac_accepted_ucst_frms); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6424 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6425 | (u64)le32_to_cpu(stats->rmac_accepted_nucst_frms_oflow) |
| 6426 | << 32 | le32_to_cpu(stats->rmac_accepted_nucst_frms); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 6427 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6428 | (u64)le32_to_cpu(stats->rmac_discarded_frms_oflow) << 32 | |
| 6429 | le32_to_cpu(stats->rmac_discarded_frms); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6430 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6431 | (u64)le32_to_cpu(stats->rmac_drop_events_oflow) |
| 6432 | << 32 | le32_to_cpu(stats->rmac_drop_events); |
| 6433 | tmp_stats[i++] = le64_to_cpu(stats->rmac_ttl_less_fb_octets); |
| 6434 | tmp_stats[i++] = le64_to_cpu(stats->rmac_ttl_frms); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 6435 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6436 | (u64)le32_to_cpu(stats->rmac_usized_frms_oflow) << 32 | |
| 6437 | le32_to_cpu(stats->rmac_usized_frms); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 6438 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6439 | (u64)le32_to_cpu(stats->rmac_osized_frms_oflow) << 32 | |
| 6440 | le32_to_cpu(stats->rmac_osized_frms); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 6441 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6442 | (u64)le32_to_cpu(stats->rmac_frag_frms_oflow) << 32 | |
| 6443 | le32_to_cpu(stats->rmac_frag_frms); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 6444 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6445 | (u64)le32_to_cpu(stats->rmac_jabber_frms_oflow) << 32 | |
| 6446 | le32_to_cpu(stats->rmac_jabber_frms); |
| 6447 | tmp_stats[i++] = le64_to_cpu(stats->rmac_ttl_64_frms); |
| 6448 | tmp_stats[i++] = le64_to_cpu(stats->rmac_ttl_65_127_frms); |
| 6449 | tmp_stats[i++] = le64_to_cpu(stats->rmac_ttl_128_255_frms); |
| 6450 | tmp_stats[i++] = le64_to_cpu(stats->rmac_ttl_256_511_frms); |
| 6451 | tmp_stats[i++] = le64_to_cpu(stats->rmac_ttl_512_1023_frms); |
| 6452 | tmp_stats[i++] = le64_to_cpu(stats->rmac_ttl_1024_1518_frms); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 6453 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6454 | (u64)le32_to_cpu(stats->rmac_ip_oflow) << 32 | |
| 6455 | le32_to_cpu(stats->rmac_ip); |
| 6456 | tmp_stats[i++] = le64_to_cpu(stats->rmac_ip_octets); |
| 6457 | tmp_stats[i++] = le32_to_cpu(stats->rmac_hdr_err_ip); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 6458 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6459 | (u64)le32_to_cpu(stats->rmac_drop_ip_oflow) << 32 | |
| 6460 | le32_to_cpu(stats->rmac_drop_ip); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 6461 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6462 | (u64)le32_to_cpu(stats->rmac_icmp_oflow) << 32 | |
| 6463 | le32_to_cpu(stats->rmac_icmp); |
| 6464 | tmp_stats[i++] = le64_to_cpu(stats->rmac_tcp); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 6465 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6466 | (u64)le32_to_cpu(stats->rmac_udp_oflow) << 32 | |
| 6467 | le32_to_cpu(stats->rmac_udp); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 6468 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6469 | (u64)le32_to_cpu(stats->rmac_err_drp_udp_oflow) << 32 | |
| 6470 | le32_to_cpu(stats->rmac_err_drp_udp); |
| 6471 | tmp_stats[i++] = le64_to_cpu(stats->rmac_xgmii_err_sym); |
| 6472 | tmp_stats[i++] = le64_to_cpu(stats->rmac_frms_q0); |
| 6473 | tmp_stats[i++] = le64_to_cpu(stats->rmac_frms_q1); |
| 6474 | tmp_stats[i++] = le64_to_cpu(stats->rmac_frms_q2); |
| 6475 | tmp_stats[i++] = le64_to_cpu(stats->rmac_frms_q3); |
| 6476 | tmp_stats[i++] = le64_to_cpu(stats->rmac_frms_q4); |
| 6477 | tmp_stats[i++] = le64_to_cpu(stats->rmac_frms_q5); |
| 6478 | tmp_stats[i++] = le64_to_cpu(stats->rmac_frms_q6); |
| 6479 | tmp_stats[i++] = le64_to_cpu(stats->rmac_frms_q7); |
| 6480 | tmp_stats[i++] = le16_to_cpu(stats->rmac_full_q0); |
| 6481 | tmp_stats[i++] = le16_to_cpu(stats->rmac_full_q1); |
| 6482 | tmp_stats[i++] = le16_to_cpu(stats->rmac_full_q2); |
| 6483 | tmp_stats[i++] = le16_to_cpu(stats->rmac_full_q3); |
| 6484 | tmp_stats[i++] = le16_to_cpu(stats->rmac_full_q4); |
| 6485 | tmp_stats[i++] = le16_to_cpu(stats->rmac_full_q5); |
| 6486 | tmp_stats[i++] = le16_to_cpu(stats->rmac_full_q6); |
| 6487 | tmp_stats[i++] = le16_to_cpu(stats->rmac_full_q7); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 6488 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6489 | (u64)le32_to_cpu(stats->rmac_pause_cnt_oflow) << 32 | |
| 6490 | le32_to_cpu(stats->rmac_pause_cnt); |
| 6491 | tmp_stats[i++] = le64_to_cpu(stats->rmac_xgmii_data_err_cnt); |
| 6492 | tmp_stats[i++] = le64_to_cpu(stats->rmac_xgmii_ctrl_err_cnt); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 6493 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6494 | (u64)le32_to_cpu(stats->rmac_accepted_ip_oflow) << 32 | |
| 6495 | le32_to_cpu(stats->rmac_accepted_ip); |
| 6496 | tmp_stats[i++] = le32_to_cpu(stats->rmac_err_tcp); |
| 6497 | tmp_stats[i++] = le32_to_cpu(stats->rd_req_cnt); |
| 6498 | tmp_stats[i++] = le32_to_cpu(stats->new_rd_req_cnt); |
| 6499 | tmp_stats[i++] = le32_to_cpu(stats->new_rd_req_rtry_cnt); |
| 6500 | tmp_stats[i++] = le32_to_cpu(stats->rd_rtry_cnt); |
| 6501 | tmp_stats[i++] = le32_to_cpu(stats->wr_rtry_rd_ack_cnt); |
| 6502 | tmp_stats[i++] = le32_to_cpu(stats->wr_req_cnt); |
| 6503 | tmp_stats[i++] = le32_to_cpu(stats->new_wr_req_cnt); |
| 6504 | tmp_stats[i++] = le32_to_cpu(stats->new_wr_req_rtry_cnt); |
| 6505 | tmp_stats[i++] = le32_to_cpu(stats->wr_rtry_cnt); |
| 6506 | tmp_stats[i++] = le32_to_cpu(stats->wr_disc_cnt); |
| 6507 | tmp_stats[i++] = le32_to_cpu(stats->rd_rtry_wr_ack_cnt); |
| 6508 | tmp_stats[i++] = le32_to_cpu(stats->txp_wr_cnt); |
| 6509 | tmp_stats[i++] = le32_to_cpu(stats->txd_rd_cnt); |
| 6510 | tmp_stats[i++] = le32_to_cpu(stats->txd_wr_cnt); |
| 6511 | tmp_stats[i++] = le32_to_cpu(stats->rxd_rd_cnt); |
| 6512 | tmp_stats[i++] = le32_to_cpu(stats->rxd_wr_cnt); |
| 6513 | tmp_stats[i++] = le32_to_cpu(stats->txf_rd_cnt); |
| 6514 | tmp_stats[i++] = le32_to_cpu(stats->rxf_wr_cnt); |
Sivakumar Subramani | fa1f0cb | 2007-02-24 02:03:22 -0500 | [diff] [blame] | 6515 | |
| 6516 | /* Enhanced statistics exist only for Hercules */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6517 | if (sp->device_type == XFRAME_II_DEVICE) { |
Sivakumar Subramani | fa1f0cb | 2007-02-24 02:03:22 -0500 | [diff] [blame] | 6518 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6519 | le64_to_cpu(stats->rmac_ttl_1519_4095_frms); |
Sivakumar Subramani | fa1f0cb | 2007-02-24 02:03:22 -0500 | [diff] [blame] | 6520 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6521 | le64_to_cpu(stats->rmac_ttl_4096_8191_frms); |
Sivakumar Subramani | fa1f0cb | 2007-02-24 02:03:22 -0500 | [diff] [blame] | 6522 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6523 | le64_to_cpu(stats->rmac_ttl_8192_max_frms); |
| 6524 | tmp_stats[i++] = le64_to_cpu(stats->rmac_ttl_gt_max_frms); |
| 6525 | tmp_stats[i++] = le64_to_cpu(stats->rmac_osized_alt_frms); |
| 6526 | tmp_stats[i++] = le64_to_cpu(stats->rmac_jabber_alt_frms); |
| 6527 | tmp_stats[i++] = le64_to_cpu(stats->rmac_gt_max_alt_frms); |
| 6528 | tmp_stats[i++] = le64_to_cpu(stats->rmac_vlan_frms); |
| 6529 | tmp_stats[i++] = le32_to_cpu(stats->rmac_len_discard); |
| 6530 | tmp_stats[i++] = le32_to_cpu(stats->rmac_fcs_discard); |
| 6531 | tmp_stats[i++] = le32_to_cpu(stats->rmac_pf_discard); |
| 6532 | tmp_stats[i++] = le32_to_cpu(stats->rmac_da_discard); |
| 6533 | tmp_stats[i++] = le32_to_cpu(stats->rmac_red_discard); |
| 6534 | tmp_stats[i++] = le32_to_cpu(stats->rmac_rts_discard); |
| 6535 | tmp_stats[i++] = le32_to_cpu(stats->rmac_ingm_full_discard); |
| 6536 | tmp_stats[i++] = le32_to_cpu(stats->link_fault_cnt); |
Sivakumar Subramani | fa1f0cb | 2007-02-24 02:03:22 -0500 | [diff] [blame] | 6537 | } |
| 6538 | |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 6539 | tmp_stats[i++] = 0; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6540 | tmp_stats[i++] = swstats->single_ecc_errs; |
| 6541 | tmp_stats[i++] = swstats->double_ecc_errs; |
| 6542 | tmp_stats[i++] = swstats->parity_err_cnt; |
| 6543 | tmp_stats[i++] = swstats->serious_err_cnt; |
| 6544 | tmp_stats[i++] = swstats->soft_reset_cnt; |
| 6545 | tmp_stats[i++] = swstats->fifo_full_cnt; |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 6546 | for (k = 0; k < MAX_RX_RINGS; k++) |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6547 | tmp_stats[i++] = swstats->ring_full_cnt[k]; |
| 6548 | tmp_stats[i++] = xstats->alarm_transceiver_temp_high; |
| 6549 | tmp_stats[i++] = xstats->alarm_transceiver_temp_low; |
| 6550 | tmp_stats[i++] = xstats->alarm_laser_bias_current_high; |
| 6551 | tmp_stats[i++] = xstats->alarm_laser_bias_current_low; |
| 6552 | tmp_stats[i++] = xstats->alarm_laser_output_power_high; |
| 6553 | tmp_stats[i++] = xstats->alarm_laser_output_power_low; |
| 6554 | tmp_stats[i++] = xstats->warn_transceiver_temp_high; |
| 6555 | tmp_stats[i++] = xstats->warn_transceiver_temp_low; |
| 6556 | tmp_stats[i++] = xstats->warn_laser_bias_current_high; |
| 6557 | tmp_stats[i++] = xstats->warn_laser_bias_current_low; |
| 6558 | tmp_stats[i++] = xstats->warn_laser_output_power_high; |
| 6559 | tmp_stats[i++] = xstats->warn_laser_output_power_low; |
| 6560 | tmp_stats[i++] = swstats->clubbed_frms_cnt; |
| 6561 | tmp_stats[i++] = swstats->sending_both; |
| 6562 | tmp_stats[i++] = swstats->outof_sequence_pkts; |
| 6563 | tmp_stats[i++] = swstats->flush_max_pkts; |
| 6564 | if (swstats->num_aggregations) { |
| 6565 | u64 tmp = swstats->sum_avg_pkts_aggregated; |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 6566 | int count = 0; |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 6567 | /* |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 6568 | * Since 64-bit divide does not work on all platforms, |
| 6569 | * do repeated subtraction. |
| 6570 | */ |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6571 | while (tmp >= swstats->num_aggregations) { |
| 6572 | tmp -= swstats->num_aggregations; |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 6573 | count++; |
| 6574 | } |
| 6575 | tmp_stats[i++] = count; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6576 | } else |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 6577 | tmp_stats[i++] = 0; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6578 | tmp_stats[i++] = swstats->mem_alloc_fail_cnt; |
| 6579 | tmp_stats[i++] = swstats->pci_map_fail_cnt; |
| 6580 | tmp_stats[i++] = swstats->watchdog_timer_cnt; |
| 6581 | tmp_stats[i++] = swstats->mem_allocated; |
| 6582 | tmp_stats[i++] = swstats->mem_freed; |
| 6583 | tmp_stats[i++] = swstats->link_up_cnt; |
| 6584 | tmp_stats[i++] = swstats->link_down_cnt; |
| 6585 | tmp_stats[i++] = swstats->link_up_time; |
| 6586 | tmp_stats[i++] = swstats->link_down_time; |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 6587 | |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6588 | tmp_stats[i++] = swstats->tx_buf_abort_cnt; |
| 6589 | tmp_stats[i++] = swstats->tx_desc_abort_cnt; |
| 6590 | tmp_stats[i++] = swstats->tx_parity_err_cnt; |
| 6591 | tmp_stats[i++] = swstats->tx_link_loss_cnt; |
| 6592 | tmp_stats[i++] = swstats->tx_list_proc_err_cnt; |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 6593 | |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6594 | tmp_stats[i++] = swstats->rx_parity_err_cnt; |
| 6595 | tmp_stats[i++] = swstats->rx_abort_cnt; |
| 6596 | tmp_stats[i++] = swstats->rx_parity_abort_cnt; |
| 6597 | tmp_stats[i++] = swstats->rx_rda_fail_cnt; |
| 6598 | tmp_stats[i++] = swstats->rx_unkn_prot_cnt; |
| 6599 | tmp_stats[i++] = swstats->rx_fcs_err_cnt; |
| 6600 | tmp_stats[i++] = swstats->rx_buf_size_err_cnt; |
| 6601 | tmp_stats[i++] = swstats->rx_rxd_corrupt_cnt; |
| 6602 | tmp_stats[i++] = swstats->rx_unkn_err_cnt; |
| 6603 | tmp_stats[i++] = swstats->tda_err_cnt; |
| 6604 | tmp_stats[i++] = swstats->pfc_err_cnt; |
| 6605 | tmp_stats[i++] = swstats->pcc_err_cnt; |
| 6606 | tmp_stats[i++] = swstats->tti_err_cnt; |
| 6607 | tmp_stats[i++] = swstats->tpa_err_cnt; |
| 6608 | tmp_stats[i++] = swstats->sm_err_cnt; |
| 6609 | tmp_stats[i++] = swstats->lso_err_cnt; |
| 6610 | tmp_stats[i++] = swstats->mac_tmac_err_cnt; |
| 6611 | tmp_stats[i++] = swstats->mac_rmac_err_cnt; |
| 6612 | tmp_stats[i++] = swstats->xgxs_txgxs_err_cnt; |
| 6613 | tmp_stats[i++] = swstats->xgxs_rxgxs_err_cnt; |
| 6614 | tmp_stats[i++] = swstats->rc_err_cnt; |
| 6615 | tmp_stats[i++] = swstats->prc_pcix_err_cnt; |
| 6616 | tmp_stats[i++] = swstats->rpa_err_cnt; |
| 6617 | tmp_stats[i++] = swstats->rda_err_cnt; |
| 6618 | tmp_stats[i++] = swstats->rti_err_cnt; |
| 6619 | tmp_stats[i++] = swstats->mc_err_cnt; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6620 | } |
| 6621 | |
Adrian Bunk | ac1f60d | 2005-11-06 01:46:47 +0100 | [diff] [blame] | 6622 | static int s2io_ethtool_get_regs_len(struct net_device *dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6623 | { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6624 | return XENA_REG_SPACE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6625 | } |
| 6626 | |
| 6627 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6628 | static u32 s2io_ethtool_get_rx_csum(struct net_device *dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6629 | { |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 6630 | struct s2io_nic *sp = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6631 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6632 | return sp->rx_csum; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6633 | } |
Adrian Bunk | ac1f60d | 2005-11-06 01:46:47 +0100 | [diff] [blame] | 6634 | |
| 6635 | static int s2io_ethtool_set_rx_csum(struct net_device *dev, u32 data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6636 | { |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 6637 | struct s2io_nic *sp = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6638 | |
| 6639 | if (data) |
| 6640 | sp->rx_csum = 1; |
| 6641 | else |
| 6642 | sp->rx_csum = 0; |
| 6643 | |
| 6644 | return 0; |
| 6645 | } |
Adrian Bunk | ac1f60d | 2005-11-06 01:46:47 +0100 | [diff] [blame] | 6646 | |
| 6647 | static int s2io_get_eeprom_len(struct net_device *dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6648 | { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6649 | return XENA_EEPROM_SPACE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6650 | } |
| 6651 | |
Jeff Garzik | b9f2c04 | 2007-10-03 18:07:32 -0700 | [diff] [blame] | 6652 | static int s2io_get_sset_count(struct net_device *dev, int sset) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6653 | { |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 6654 | struct s2io_nic *sp = netdev_priv(dev); |
Jeff Garzik | b9f2c04 | 2007-10-03 18:07:32 -0700 | [diff] [blame] | 6655 | |
| 6656 | switch (sset) { |
| 6657 | case ETH_SS_TEST: |
| 6658 | return S2IO_TEST_LEN; |
| 6659 | case ETH_SS_STATS: |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6660 | switch (sp->device_type) { |
Jeff Garzik | b9f2c04 | 2007-10-03 18:07:32 -0700 | [diff] [blame] | 6661 | case XFRAME_I_DEVICE: |
| 6662 | return XFRAME_I_STAT_LEN; |
| 6663 | case XFRAME_II_DEVICE: |
| 6664 | return XFRAME_II_STAT_LEN; |
| 6665 | default: |
| 6666 | return 0; |
| 6667 | } |
| 6668 | default: |
| 6669 | return -EOPNOTSUPP; |
| 6670 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6671 | } |
Adrian Bunk | ac1f60d | 2005-11-06 01:46:47 +0100 | [diff] [blame] | 6672 | |
| 6673 | static void s2io_ethtool_get_strings(struct net_device *dev, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6674 | u32 stringset, u8 *data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6675 | { |
Sivakumar Subramani | fa1f0cb | 2007-02-24 02:03:22 -0500 | [diff] [blame] | 6676 | int stat_size = 0; |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 6677 | struct s2io_nic *sp = netdev_priv(dev); |
Sivakumar Subramani | fa1f0cb | 2007-02-24 02:03:22 -0500 | [diff] [blame] | 6678 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6679 | switch (stringset) { |
| 6680 | case ETH_SS_TEST: |
| 6681 | memcpy(data, s2io_gstrings, S2IO_STRINGS_LEN); |
| 6682 | break; |
| 6683 | case ETH_SS_STATS: |
Sivakumar Subramani | fa1f0cb | 2007-02-24 02:03:22 -0500 | [diff] [blame] | 6684 | stat_size = sizeof(ethtool_xena_stats_keys); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6685 | memcpy(data, ðtool_xena_stats_keys, stat_size); |
| 6686 | if (sp->device_type == XFRAME_II_DEVICE) { |
Sivakumar Subramani | fa1f0cb | 2007-02-24 02:03:22 -0500 | [diff] [blame] | 6687 | memcpy(data + stat_size, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6688 | ðtool_enhanced_stats_keys, |
| 6689 | sizeof(ethtool_enhanced_stats_keys)); |
Sivakumar Subramani | fa1f0cb | 2007-02-24 02:03:22 -0500 | [diff] [blame] | 6690 | stat_size += sizeof(ethtool_enhanced_stats_keys); |
| 6691 | } |
| 6692 | |
| 6693 | memcpy(data + stat_size, ðtool_driver_stats_keys, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6694 | sizeof(ethtool_driver_stats_keys)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6695 | } |
| 6696 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6697 | |
Adrian Bunk | ac1f60d | 2005-11-06 01:46:47 +0100 | [diff] [blame] | 6698 | static int s2io_ethtool_op_set_tx_csum(struct net_device *dev, u32 data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6699 | { |
| 6700 | if (data) |
| 6701 | dev->features |= NETIF_F_IP_CSUM; |
| 6702 | else |
| 6703 | dev->features &= ~NETIF_F_IP_CSUM; |
| 6704 | |
| 6705 | return 0; |
| 6706 | } |
| 6707 | |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 6708 | static u32 s2io_ethtool_op_get_tso(struct net_device *dev) |
| 6709 | { |
| 6710 | return (dev->features & NETIF_F_TSO) != 0; |
| 6711 | } |
Jon Mason | 958de19 | 2010-06-24 18:45:10 +0000 | [diff] [blame] | 6712 | |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 6713 | static int s2io_ethtool_op_set_tso(struct net_device *dev, u32 data) |
| 6714 | { |
| 6715 | if (data) |
| 6716 | dev->features |= (NETIF_F_TSO | NETIF_F_TSO6); |
| 6717 | else |
| 6718 | dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6); |
| 6719 | |
| 6720 | return 0; |
| 6721 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6722 | |
Jon Mason | 958de19 | 2010-06-24 18:45:10 +0000 | [diff] [blame] | 6723 | static int s2io_ethtool_set_flags(struct net_device *dev, u32 data) |
| 6724 | { |
| 6725 | struct s2io_nic *sp = netdev_priv(dev); |
| 6726 | int rc = 0; |
| 6727 | int changed = 0; |
| 6728 | |
| 6729 | if (data & ~ETH_FLAG_LRO) |
Ben Hutchings | 97d1935 | 2010-06-30 02:46:56 +0000 | [diff] [blame] | 6730 | return -EINVAL; |
Jon Mason | 958de19 | 2010-06-24 18:45:10 +0000 | [diff] [blame] | 6731 | |
| 6732 | if (data & ETH_FLAG_LRO) { |
Amerigo Wang | f0c54ac | 2010-08-25 00:23:39 +0000 | [diff] [blame] | 6733 | if (!(dev->features & NETIF_F_LRO)) { |
| 6734 | dev->features |= NETIF_F_LRO; |
| 6735 | changed = 1; |
| 6736 | } |
Jon Mason | 958de19 | 2010-06-24 18:45:10 +0000 | [diff] [blame] | 6737 | } else if (dev->features & NETIF_F_LRO) { |
| 6738 | dev->features &= ~NETIF_F_LRO; |
| 6739 | changed = 1; |
| 6740 | } |
| 6741 | |
| 6742 | if (changed && netif_running(dev)) { |
| 6743 | s2io_stop_all_tx_queue(sp); |
| 6744 | s2io_card_down(sp); |
Jon Mason | 958de19 | 2010-06-24 18:45:10 +0000 | [diff] [blame] | 6745 | rc = s2io_card_up(sp); |
| 6746 | if (rc) |
| 6747 | s2io_reset(sp); |
| 6748 | else |
| 6749 | s2io_start_all_tx_queue(sp); |
| 6750 | } |
| 6751 | |
| 6752 | return rc; |
| 6753 | } |
| 6754 | |
Jeff Garzik | 7282d49 | 2006-09-13 14:30:00 -0400 | [diff] [blame] | 6755 | static const struct ethtool_ops netdev_ethtool_ops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6756 | .get_settings = s2io_ethtool_gset, |
| 6757 | .set_settings = s2io_ethtool_sset, |
| 6758 | .get_drvinfo = s2io_ethtool_gdrvinfo, |
| 6759 | .get_regs_len = s2io_ethtool_get_regs_len, |
| 6760 | .get_regs = s2io_ethtool_gregs, |
| 6761 | .get_link = ethtool_op_get_link, |
| 6762 | .get_eeprom_len = s2io_get_eeprom_len, |
| 6763 | .get_eeprom = s2io_ethtool_geeprom, |
| 6764 | .set_eeprom = s2io_ethtool_seeprom, |
Sreenivasa Honnur | 0cec35e | 2007-05-10 04:06:28 -0400 | [diff] [blame] | 6765 | .get_ringparam = s2io_ethtool_gringparam, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6766 | .get_pauseparam = s2io_ethtool_getpause_data, |
| 6767 | .set_pauseparam = s2io_ethtool_setpause_data, |
| 6768 | .get_rx_csum = s2io_ethtool_get_rx_csum, |
| 6769 | .set_rx_csum = s2io_ethtool_set_rx_csum, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6770 | .set_tx_csum = s2io_ethtool_op_set_tx_csum, |
Jon Mason | 958de19 | 2010-06-24 18:45:10 +0000 | [diff] [blame] | 6771 | .set_flags = s2io_ethtool_set_flags, |
| 6772 | .get_flags = ethtool_op_get_flags, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6773 | .set_sg = ethtool_op_set_sg, |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 6774 | .get_tso = s2io_ethtool_op_get_tso, |
| 6775 | .set_tso = s2io_ethtool_op_set_tso, |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 6776 | .set_ufo = ethtool_op_set_ufo, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6777 | .self_test = s2io_ethtool_test, |
| 6778 | .get_strings = s2io_ethtool_get_strings, |
| 6779 | .phys_id = s2io_ethtool_idnic, |
Jeff Garzik | b9f2c04 | 2007-10-03 18:07:32 -0700 | [diff] [blame] | 6780 | .get_ethtool_stats = s2io_get_ethtool_stats, |
| 6781 | .get_sset_count = s2io_get_sset_count, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6782 | }; |
| 6783 | |
| 6784 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 6785 | * s2io_ioctl - Entry point for the Ioctl |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6786 | * @dev : Device pointer. |
| 6787 | * @ifr : An IOCTL specefic structure, that can contain a pointer to |
| 6788 | * a proprietary structure used to pass information to the driver. |
| 6789 | * @cmd : This is used to distinguish between the different commands that |
| 6790 | * can be passed to the IOCTL functions. |
| 6791 | * Description: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 6792 | * Currently there are no special functionality supported in IOCTL, hence |
| 6793 | * function always return EOPNOTSUPPORTED |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6794 | */ |
| 6795 | |
Adrian Bunk | ac1f60d | 2005-11-06 01:46:47 +0100 | [diff] [blame] | 6796 | static int s2io_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6797 | { |
| 6798 | return -EOPNOTSUPP; |
| 6799 | } |
| 6800 | |
| 6801 | /** |
| 6802 | * s2io_change_mtu - entry point to change MTU size for the device. |
| 6803 | * @dev : device pointer. |
| 6804 | * @new_mtu : the new MTU size for the device. |
| 6805 | * Description: A driver entry point to change MTU size for the device. |
| 6806 | * Before changing the MTU the device must be stopped. |
| 6807 | * Return value: |
| 6808 | * 0 on success and an appropriate (-)ve integer as defined in errno.h |
| 6809 | * file on failure. |
| 6810 | */ |
| 6811 | |
Adrian Bunk | ac1f60d | 2005-11-06 01:46:47 +0100 | [diff] [blame] | 6812 | static int s2io_change_mtu(struct net_device *dev, int new_mtu) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6813 | { |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 6814 | struct s2io_nic *sp = netdev_priv(dev); |
Sreenivasa Honnur | 9f74ffd | 2007-11-30 01:46:08 -0500 | [diff] [blame] | 6815 | int ret = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6816 | |
| 6817 | if ((new_mtu < MIN_MTU) || (new_mtu > S2IO_JUMBO_SIZE)) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6818 | DBG_PRINT(ERR_DBG, "%s: MTU size is invalid.\n", dev->name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6819 | return -EPERM; |
| 6820 | } |
| 6821 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6822 | dev->mtu = new_mtu; |
raghavendra.koushik@neterion.com | d8892c6 | 2005-08-03 12:33:12 -0700 | [diff] [blame] | 6823 | if (netif_running(dev)) { |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 6824 | s2io_stop_all_tx_queue(sp); |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 6825 | s2io_card_down(sp); |
Sreenivasa Honnur | 9f74ffd | 2007-11-30 01:46:08 -0500 | [diff] [blame] | 6826 | ret = s2io_card_up(sp); |
| 6827 | if (ret) { |
raghavendra.koushik@neterion.com | d8892c6 | 2005-08-03 12:33:12 -0700 | [diff] [blame] | 6828 | DBG_PRINT(ERR_DBG, "%s: Device bring up failed\n", |
Harvey Harrison | b39d66a | 2008-08-20 16:52:04 -0700 | [diff] [blame] | 6829 | __func__); |
Sreenivasa Honnur | 9f74ffd | 2007-11-30 01:46:08 -0500 | [diff] [blame] | 6830 | return ret; |
raghavendra.koushik@neterion.com | d8892c6 | 2005-08-03 12:33:12 -0700 | [diff] [blame] | 6831 | } |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 6832 | s2io_wake_all_tx_queue(sp); |
raghavendra.koushik@neterion.com | d8892c6 | 2005-08-03 12:33:12 -0700 | [diff] [blame] | 6833 | } else { /* Device is down */ |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 6834 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
raghavendra.koushik@neterion.com | d8892c6 | 2005-08-03 12:33:12 -0700 | [diff] [blame] | 6835 | u64 val64 = new_mtu; |
| 6836 | |
| 6837 | writeq(vBIT(val64, 2, 14), &bar0->rmac_max_pyld_len); |
| 6838 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6839 | |
Sreenivasa Honnur | 9f74ffd | 2007-11-30 01:46:08 -0500 | [diff] [blame] | 6840 | return ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6841 | } |
| 6842 | |
| 6843 | /** |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6844 | * s2io_set_link - Set the LInk status |
| 6845 | * @data: long pointer to device private structue |
| 6846 | * Description: Sets the link status for the adapter |
| 6847 | */ |
| 6848 | |
David Howells | c402895 | 2006-11-22 14:57:56 +0000 | [diff] [blame] | 6849 | static void s2io_set_link(struct work_struct *work) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6850 | { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6851 | struct s2io_nic *nic = container_of(work, struct s2io_nic, |
| 6852 | set_link_task); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6853 | struct net_device *dev = nic->dev; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 6854 | struct XENA_dev_config __iomem *bar0 = nic->bar0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6855 | register u64 val64; |
| 6856 | u16 subid; |
| 6857 | |
Francois Romieu | 22747d6 | 2007-02-15 23:37:50 +0100 | [diff] [blame] | 6858 | rtnl_lock(); |
| 6859 | |
| 6860 | if (!netif_running(dev)) |
| 6861 | goto out_unlock; |
| 6862 | |
Sivakumar Subramani | 92b8443 | 2007-09-06 06:51:14 -0400 | [diff] [blame] | 6863 | if (test_and_set_bit(__S2IO_STATE_LINK_TASK, &(nic->state))) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6864 | /* The card is being reset, no point doing anything */ |
Francois Romieu | 22747d6 | 2007-02-15 23:37:50 +0100 | [diff] [blame] | 6865 | goto out_unlock; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6866 | } |
| 6867 | |
| 6868 | subid = nic->pdev->subsystem_device; |
raghavendra.koushik@neterion.com | a371a07 | 2005-08-03 12:38:59 -0700 | [diff] [blame] | 6869 | if (s2io_link_fault_indication(nic) == MAC_RMAC_ERR_TIMER) { |
| 6870 | /* |
| 6871 | * Allow a small delay for the NICs self initiated |
| 6872 | * cleanup to complete. |
| 6873 | */ |
| 6874 | msleep(100); |
| 6875 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6876 | |
| 6877 | val64 = readq(&bar0->adapter_status); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 6878 | if (LINK_IS_UP(val64)) { |
| 6879 | if (!(readq(&bar0->adapter_control) & ADAPTER_CNTL_EN)) { |
| 6880 | if (verify_xena_quiescence(nic)) { |
| 6881 | val64 = readq(&bar0->adapter_control); |
| 6882 | val64 |= ADAPTER_CNTL_EN; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6883 | writeq(val64, &bar0->adapter_control); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 6884 | if (CARDS_WITH_FAULTY_LINK_INDICATORS( |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6885 | nic->device_type, subid)) { |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 6886 | val64 = readq(&bar0->gpio_control); |
| 6887 | val64 |= GPIO_CTRL_GPIO_0; |
| 6888 | writeq(val64, &bar0->gpio_control); |
| 6889 | val64 = readq(&bar0->gpio_control); |
| 6890 | } else { |
| 6891 | val64 |= ADAPTER_LED_ON; |
| 6892 | writeq(val64, &bar0->adapter_control); |
raghavendra.koushik@neterion.com | a371a07 | 2005-08-03 12:38:59 -0700 | [diff] [blame] | 6893 | } |
Tobias Klauser | f957bcf | 2009-06-04 23:07:59 +0000 | [diff] [blame] | 6894 | nic->device_enabled_once = true; |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 6895 | } else { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 6896 | DBG_PRINT(ERR_DBG, |
| 6897 | "%s: Error: device is not Quiescent\n", |
| 6898 | dev->name); |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 6899 | s2io_stop_all_tx_queue(nic); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6900 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6901 | } |
Sivakumar Subramani | 92c4879 | 2007-08-06 05:38:19 -0400 | [diff] [blame] | 6902 | val64 = readq(&bar0->adapter_control); |
| 6903 | val64 |= ADAPTER_LED_ON; |
| 6904 | writeq(val64, &bar0->adapter_control); |
| 6905 | s2io_link(nic, LINK_UP); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 6906 | } else { |
| 6907 | if (CARDS_WITH_FAULTY_LINK_INDICATORS(nic->device_type, |
| 6908 | subid)) { |
| 6909 | val64 = readq(&bar0->gpio_control); |
| 6910 | val64 &= ~GPIO_CTRL_GPIO_0; |
| 6911 | writeq(val64, &bar0->gpio_control); |
| 6912 | val64 = readq(&bar0->gpio_control); |
| 6913 | } |
Sivakumar Subramani | 92c4879 | 2007-08-06 05:38:19 -0400 | [diff] [blame] | 6914 | /* turn off LED */ |
| 6915 | val64 = readq(&bar0->adapter_control); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6916 | val64 = val64 & (~ADAPTER_LED_ON); |
Sivakumar Subramani | 92c4879 | 2007-08-06 05:38:19 -0400 | [diff] [blame] | 6917 | writeq(val64, &bar0->adapter_control); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 6918 | s2io_link(nic, LINK_DOWN); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6919 | } |
Sivakumar Subramani | 92b8443 | 2007-09-06 06:51:14 -0400 | [diff] [blame] | 6920 | clear_bit(__S2IO_STATE_LINK_TASK, &(nic->state)); |
Francois Romieu | 22747d6 | 2007-02-15 23:37:50 +0100 | [diff] [blame] | 6921 | |
| 6922 | out_unlock: |
Sivakumar Subramani | d8d70ca | 2007-02-24 02:04:24 -0500 | [diff] [blame] | 6923 | rtnl_unlock(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6924 | } |
| 6925 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 6926 | static int set_rxd_buffer_pointer(struct s2io_nic *sp, struct RxD_t *rxdp, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6927 | struct buffAdd *ba, |
| 6928 | struct sk_buff **skb, u64 *temp0, u64 *temp1, |
| 6929 | u64 *temp2, int size) |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6930 | { |
| 6931 | struct net_device *dev = sp->dev; |
Veena Parat | 491abf2 | 2007-07-23 02:37:14 -0400 | [diff] [blame] | 6932 | struct swStat *stats = &sp->mac_control.stats_info->sw_stat; |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6933 | |
| 6934 | if ((sp->rxd_mode == RXD_MODE_1) && (rxdp->Host_Control == 0)) { |
Veena Parat | 6d517a2 | 2007-07-23 02:20:51 -0400 | [diff] [blame] | 6935 | struct RxD1 *rxdp1 = (struct RxD1 *)rxdp; |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6936 | /* allocate skb */ |
| 6937 | if (*skb) { |
| 6938 | DBG_PRINT(INFO_DBG, "SKB is not NULL\n"); |
| 6939 | /* |
| 6940 | * As Rx frame are not going to be processed, |
| 6941 | * using same mapped address for the Rxd |
| 6942 | * buffer pointer |
| 6943 | */ |
Veena Parat | 6d517a2 | 2007-07-23 02:20:51 -0400 | [diff] [blame] | 6944 | rxdp1->Buffer0_ptr = *temp0; |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6945 | } else { |
| 6946 | *skb = dev_alloc_skb(size); |
| 6947 | if (!(*skb)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 6948 | DBG_PRINT(INFO_DBG, |
| 6949 | "%s: Out of memory to allocate %s\n", |
| 6950 | dev->name, "1 buf mode SKBs"); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6951 | stats->mem_alloc_fail_cnt++; |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6952 | return -ENOMEM ; |
| 6953 | } |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6954 | stats->mem_allocated += (*skb)->truesize; |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6955 | /* storing the mapped addr in a temp variable |
| 6956 | * such it will be used for next rxd whose |
| 6957 | * Host Control is NULL |
| 6958 | */ |
Veena Parat | 6d517a2 | 2007-07-23 02:20:51 -0400 | [diff] [blame] | 6959 | rxdp1->Buffer0_ptr = *temp0 = |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6960 | pci_map_single(sp->pdev, (*skb)->data, |
| 6961 | size - NET_IP_ALIGN, |
| 6962 | PCI_DMA_FROMDEVICE); |
FUJITA Tomonori | 8d8bb39 | 2008-07-25 19:44:49 -0700 | [diff] [blame] | 6963 | if (pci_dma_mapping_error(sp->pdev, rxdp1->Buffer0_ptr)) |
Veena Parat | 491abf2 | 2007-07-23 02:37:14 -0400 | [diff] [blame] | 6964 | goto memalloc_failed; |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6965 | rxdp->Host_Control = (unsigned long) (*skb); |
| 6966 | } |
| 6967 | } else if ((sp->rxd_mode == RXD_MODE_3B) && (rxdp->Host_Control == 0)) { |
Veena Parat | 6d517a2 | 2007-07-23 02:20:51 -0400 | [diff] [blame] | 6968 | struct RxD3 *rxdp3 = (struct RxD3 *)rxdp; |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6969 | /* Two buffer Mode */ |
| 6970 | if (*skb) { |
Veena Parat | 6d517a2 | 2007-07-23 02:20:51 -0400 | [diff] [blame] | 6971 | rxdp3->Buffer2_ptr = *temp2; |
| 6972 | rxdp3->Buffer0_ptr = *temp0; |
| 6973 | rxdp3->Buffer1_ptr = *temp1; |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6974 | } else { |
| 6975 | *skb = dev_alloc_skb(size); |
David Rientjes | 2ceaac7 | 2006-10-30 14:19:25 -0800 | [diff] [blame] | 6976 | if (!(*skb)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 6977 | DBG_PRINT(INFO_DBG, |
| 6978 | "%s: Out of memory to allocate %s\n", |
| 6979 | dev->name, |
| 6980 | "2 buf mode SKBs"); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6981 | stats->mem_alloc_fail_cnt++; |
David Rientjes | 2ceaac7 | 2006-10-30 14:19:25 -0800 | [diff] [blame] | 6982 | return -ENOMEM; |
| 6983 | } |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6984 | stats->mem_allocated += (*skb)->truesize; |
Veena Parat | 6d517a2 | 2007-07-23 02:20:51 -0400 | [diff] [blame] | 6985 | rxdp3->Buffer2_ptr = *temp2 = |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6986 | pci_map_single(sp->pdev, (*skb)->data, |
| 6987 | dev->mtu + 4, |
| 6988 | PCI_DMA_FROMDEVICE); |
FUJITA Tomonori | 8d8bb39 | 2008-07-25 19:44:49 -0700 | [diff] [blame] | 6989 | if (pci_dma_mapping_error(sp->pdev, rxdp3->Buffer2_ptr)) |
Veena Parat | 491abf2 | 2007-07-23 02:37:14 -0400 | [diff] [blame] | 6990 | goto memalloc_failed; |
Veena Parat | 6d517a2 | 2007-07-23 02:20:51 -0400 | [diff] [blame] | 6991 | rxdp3->Buffer0_ptr = *temp0 = |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6992 | pci_map_single(sp->pdev, ba->ba_0, BUF0_LEN, |
| 6993 | PCI_DMA_FROMDEVICE); |
FUJITA Tomonori | 8d8bb39 | 2008-07-25 19:44:49 -0700 | [diff] [blame] | 6994 | if (pci_dma_mapping_error(sp->pdev, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6995 | rxdp3->Buffer0_ptr)) { |
| 6996 | pci_unmap_single(sp->pdev, |
| 6997 | (dma_addr_t)rxdp3->Buffer2_ptr, |
| 6998 | dev->mtu + 4, |
| 6999 | PCI_DMA_FROMDEVICE); |
Veena Parat | 491abf2 | 2007-07-23 02:37:14 -0400 | [diff] [blame] | 7000 | goto memalloc_failed; |
| 7001 | } |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 7002 | rxdp->Host_Control = (unsigned long) (*skb); |
| 7003 | |
| 7004 | /* Buffer-1 will be dummy buffer not used */ |
Veena Parat | 6d517a2 | 2007-07-23 02:20:51 -0400 | [diff] [blame] | 7005 | rxdp3->Buffer1_ptr = *temp1 = |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 7006 | pci_map_single(sp->pdev, ba->ba_1, BUF1_LEN, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7007 | PCI_DMA_FROMDEVICE); |
FUJITA Tomonori | 8d8bb39 | 2008-07-25 19:44:49 -0700 | [diff] [blame] | 7008 | if (pci_dma_mapping_error(sp->pdev, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7009 | rxdp3->Buffer1_ptr)) { |
| 7010 | pci_unmap_single(sp->pdev, |
| 7011 | (dma_addr_t)rxdp3->Buffer0_ptr, |
| 7012 | BUF0_LEN, PCI_DMA_FROMDEVICE); |
| 7013 | pci_unmap_single(sp->pdev, |
| 7014 | (dma_addr_t)rxdp3->Buffer2_ptr, |
| 7015 | dev->mtu + 4, |
| 7016 | PCI_DMA_FROMDEVICE); |
Veena Parat | 491abf2 | 2007-07-23 02:37:14 -0400 | [diff] [blame] | 7017 | goto memalloc_failed; |
| 7018 | } |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 7019 | } |
| 7020 | } |
| 7021 | return 0; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7022 | |
| 7023 | memalloc_failed: |
| 7024 | stats->pci_map_fail_cnt++; |
| 7025 | stats->mem_freed += (*skb)->truesize; |
| 7026 | dev_kfree_skb(*skb); |
| 7027 | return -ENOMEM; |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 7028 | } |
Veena Parat | 491abf2 | 2007-07-23 02:37:14 -0400 | [diff] [blame] | 7029 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 7030 | static void set_rxd_buffer_size(struct s2io_nic *sp, struct RxD_t *rxdp, |
| 7031 | int size) |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 7032 | { |
| 7033 | struct net_device *dev = sp->dev; |
| 7034 | if (sp->rxd_mode == RXD_MODE_1) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7035 | rxdp->Control_2 = SET_BUFFER0_SIZE_1(size - NET_IP_ALIGN); |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 7036 | } else if (sp->rxd_mode == RXD_MODE_3B) { |
| 7037 | rxdp->Control_2 = SET_BUFFER0_SIZE_3(BUF0_LEN); |
| 7038 | rxdp->Control_2 |= SET_BUFFER1_SIZE_3(1); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7039 | rxdp->Control_2 |= SET_BUFFER2_SIZE_3(dev->mtu + 4); |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 7040 | } |
| 7041 | } |
| 7042 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 7043 | static int rxd_owner_bit_reset(struct s2io_nic *sp) |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 7044 | { |
| 7045 | int i, j, k, blk_cnt = 0, size; |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 7046 | struct config_param *config = &sp->config; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7047 | struct mac_info *mac_control = &sp->mac_control; |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 7048 | struct net_device *dev = sp->dev; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 7049 | struct RxD_t *rxdp = NULL; |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 7050 | struct sk_buff *skb = NULL; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 7051 | struct buffAdd *ba = NULL; |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 7052 | u64 temp0_64 = 0, temp1_64 = 0, temp2_64 = 0; |
| 7053 | |
| 7054 | /* Calculate the size based on ring mode */ |
| 7055 | size = dev->mtu + HEADER_ETHERNET_II_802_3_SIZE + |
| 7056 | HEADER_802_2_SIZE + HEADER_SNAP_SIZE; |
| 7057 | if (sp->rxd_mode == RXD_MODE_1) |
| 7058 | size += NET_IP_ALIGN; |
| 7059 | else if (sp->rxd_mode == RXD_MODE_3B) |
| 7060 | size = dev->mtu + ALIGN_SIZE + BUF0_LEN + 4; |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 7061 | |
| 7062 | for (i = 0; i < config->rx_ring_num; i++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 7063 | struct rx_ring_config *rx_cfg = &config->rx_cfg[i]; |
| 7064 | struct ring_info *ring = &mac_control->rings[i]; |
| 7065 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7066 | blk_cnt = rx_cfg->num_rxd / (rxd_count[sp->rxd_mode] + 1); |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 7067 | |
| 7068 | for (j = 0; j < blk_cnt; j++) { |
| 7069 | for (k = 0; k < rxd_count[sp->rxd_mode]; k++) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7070 | rxdp = ring->rx_blocks[j].rxds[k].virt_addr; |
| 7071 | if (sp->rxd_mode == RXD_MODE_3B) |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 7072 | ba = &ring->ba[j][k]; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7073 | if (set_rxd_buffer_pointer(sp, rxdp, ba, &skb, |
| 7074 | (u64 *)&temp0_64, |
| 7075 | (u64 *)&temp1_64, |
| 7076 | (u64 *)&temp2_64, |
| 7077 | size) == -ENOMEM) { |
Sivakumar Subramani | ac1f90d | 2007-02-24 02:01:31 -0500 | [diff] [blame] | 7078 | return 0; |
| 7079 | } |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 7080 | |
| 7081 | set_rxd_buffer_size(sp, rxdp, size); |
| 7082 | wmb(); |
| 7083 | /* flip the Ownership bit to Hardware */ |
| 7084 | rxdp->Control_1 |= RXD_OWN_XENA; |
| 7085 | } |
| 7086 | } |
| 7087 | } |
| 7088 | return 0; |
| 7089 | |
| 7090 | } |
| 7091 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7092 | static int s2io_add_isr(struct s2io_nic *sp) |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 7093 | { |
| 7094 | int ret = 0; |
| 7095 | struct net_device *dev = sp->dev; |
| 7096 | int err = 0; |
| 7097 | |
Sivakumar Subramani | eaae7f7 | 2007-09-15 14:14:22 -0700 | [diff] [blame] | 7098 | if (sp->config.intr_type == MSI_X) |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 7099 | ret = s2io_enable_msi_x(sp); |
| 7100 | if (ret) { |
| 7101 | DBG_PRINT(ERR_DBG, "%s: Defaulting to INTA\n", dev->name); |
Sivakumar Subramani | eaae7f7 | 2007-09-15 14:14:22 -0700 | [diff] [blame] | 7102 | sp->config.intr_type = INTA; |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 7103 | } |
| 7104 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7105 | /* |
| 7106 | * Store the values of the MSIX table in |
| 7107 | * the struct s2io_nic structure |
| 7108 | */ |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 7109 | store_xmsi_data(sp); |
| 7110 | |
| 7111 | /* After proper initialization of H/W, register ISR */ |
Sivakumar Subramani | eaae7f7 | 2007-09-15 14:14:22 -0700 | [diff] [blame] | 7112 | if (sp->config.intr_type == MSI_X) { |
Sreenivasa Honnur | ac731ab | 2008-05-12 13:41:32 -0400 | [diff] [blame] | 7113 | int i, msix_rx_cnt = 0; |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 7114 | |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 7115 | for (i = 0; i < sp->num_entries; i++) { |
| 7116 | if (sp->s2io_entries[i].in_use == MSIX_FLG) { |
| 7117 | if (sp->s2io_entries[i].type == |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7118 | MSIX_RING_TYPE) { |
Sreenivasa Honnur | ac731ab | 2008-05-12 13:41:32 -0400 | [diff] [blame] | 7119 | sprintf(sp->desc[i], "%s:MSI-X-%d-RX", |
| 7120 | dev->name, i); |
| 7121 | err = request_irq(sp->entries[i].vector, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7122 | s2io_msix_ring_handle, |
| 7123 | 0, |
| 7124 | sp->desc[i], |
| 7125 | sp->s2io_entries[i].arg); |
Sreenivasa Honnur | ac731ab | 2008-05-12 13:41:32 -0400 | [diff] [blame] | 7126 | } else if (sp->s2io_entries[i].type == |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7127 | MSIX_ALARM_TYPE) { |
Sreenivasa Honnur | ac731ab | 2008-05-12 13:41:32 -0400 | [diff] [blame] | 7128 | sprintf(sp->desc[i], "%s:MSI-X-%d-TX", |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7129 | dev->name, i); |
Sreenivasa Honnur | ac731ab | 2008-05-12 13:41:32 -0400 | [diff] [blame] | 7130 | err = request_irq(sp->entries[i].vector, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7131 | s2io_msix_fifo_handle, |
| 7132 | 0, |
| 7133 | sp->desc[i], |
| 7134 | sp->s2io_entries[i].arg); |
Sreenivasa Honnur | ac731ab | 2008-05-12 13:41:32 -0400 | [diff] [blame] | 7135 | |
Sivakumar Subramani | fb6a825 | 2007-02-24 01:51:50 -0500 | [diff] [blame] | 7136 | } |
Sreenivasa Honnur | ac731ab | 2008-05-12 13:41:32 -0400 | [diff] [blame] | 7137 | /* if either data or addr is zero print it. */ |
| 7138 | if (!(sp->msix_info[i].addr && |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7139 | sp->msix_info[i].data)) { |
Sreenivasa Honnur | ac731ab | 2008-05-12 13:41:32 -0400 | [diff] [blame] | 7140 | DBG_PRINT(ERR_DBG, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7141 | "%s @Addr:0x%llx Data:0x%llx\n", |
| 7142 | sp->desc[i], |
| 7143 | (unsigned long long) |
| 7144 | sp->msix_info[i].addr, |
| 7145 | (unsigned long long) |
| 7146 | ntohl(sp->msix_info[i].data)); |
Sreenivasa Honnur | ac731ab | 2008-05-12 13:41:32 -0400 | [diff] [blame] | 7147 | } else |
Sivakumar Subramani | fb6a825 | 2007-02-24 01:51:50 -0500 | [diff] [blame] | 7148 | msix_rx_cnt++; |
Sreenivasa Honnur | ac731ab | 2008-05-12 13:41:32 -0400 | [diff] [blame] | 7149 | if (err) { |
| 7150 | remove_msix_isr(sp); |
| 7151 | |
| 7152 | DBG_PRINT(ERR_DBG, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7153 | "%s:MSI-X-%d registration " |
| 7154 | "failed\n", dev->name, i); |
Sreenivasa Honnur | ac731ab | 2008-05-12 13:41:32 -0400 | [diff] [blame] | 7155 | |
| 7156 | DBG_PRINT(ERR_DBG, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7157 | "%s: Defaulting to INTA\n", |
| 7158 | dev->name); |
Sreenivasa Honnur | ac731ab | 2008-05-12 13:41:32 -0400 | [diff] [blame] | 7159 | sp->config.intr_type = INTA; |
| 7160 | break; |
Sivakumar Subramani | fb6a825 | 2007-02-24 01:51:50 -0500 | [diff] [blame] | 7161 | } |
Sreenivasa Honnur | ac731ab | 2008-05-12 13:41:32 -0400 | [diff] [blame] | 7162 | sp->s2io_entries[i].in_use = |
| 7163 | MSIX_REGISTERED_SUCCESS; |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 7164 | } |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 7165 | } |
Sreenivasa Honnur | 18b2b7b | 2007-11-14 01:41:06 -0800 | [diff] [blame] | 7166 | if (!err) { |
Joe Perches | 6cef2b8e | 2009-08-24 17:29:45 +0000 | [diff] [blame] | 7167 | pr_info("MSI-X-RX %d entries enabled\n", --msix_rx_cnt); |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 7168 | DBG_PRINT(INFO_DBG, |
| 7169 | "MSI-X-TX entries enabled through alarm vector\n"); |
Sreenivasa Honnur | 18b2b7b | 2007-11-14 01:41:06 -0800 | [diff] [blame] | 7170 | } |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 7171 | } |
Sivakumar Subramani | eaae7f7 | 2007-09-15 14:14:22 -0700 | [diff] [blame] | 7172 | if (sp->config.intr_type == INTA) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7173 | err = request_irq((int)sp->pdev->irq, s2io_isr, IRQF_SHARED, |
| 7174 | sp->name, dev); |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 7175 | if (err) { |
| 7176 | DBG_PRINT(ERR_DBG, "%s: ISR registration failed\n", |
| 7177 | dev->name); |
| 7178 | return -1; |
| 7179 | } |
| 7180 | } |
| 7181 | return 0; |
| 7182 | } |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7183 | |
| 7184 | static void s2io_rem_isr(struct s2io_nic *sp) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7185 | { |
Sreenivasa Honnur | 18b2b7b | 2007-11-14 01:41:06 -0800 | [diff] [blame] | 7186 | if (sp->config.intr_type == MSI_X) |
| 7187 | remove_msix_isr(sp); |
| 7188 | else |
| 7189 | remove_inta_isr(sp); |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 7190 | } |
| 7191 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7192 | static void do_s2io_card_down(struct s2io_nic *sp, int do_io) |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 7193 | { |
| 7194 | int cnt = 0; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 7195 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 7196 | register u64 val64 = 0; |
Sreenivasa Honnur | 5f490c9 | 2008-01-14 20:23:04 -0500 | [diff] [blame] | 7197 | struct config_param *config; |
| 7198 | config = &sp->config; |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 7199 | |
Sreenivasa Honnur | 9f74ffd | 2007-11-30 01:46:08 -0500 | [diff] [blame] | 7200 | if (!is_s2io_card_up(sp)) |
| 7201 | return; |
| 7202 | |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 7203 | del_timer_sync(&sp->alarm_timer); |
| 7204 | /* If s2io_set_link task is executing, wait till it completes. */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7205 | while (test_and_set_bit(__S2IO_STATE_LINK_TASK, &(sp->state))) |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 7206 | msleep(50); |
Sivakumar Subramani | 92b8443 | 2007-09-06 06:51:14 -0400 | [diff] [blame] | 7207 | clear_bit(__S2IO_STATE_CARD_UP, &sp->state); |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 7208 | |
Sreenivasa Honnur | 5f490c9 | 2008-01-14 20:23:04 -0500 | [diff] [blame] | 7209 | /* Disable napi */ |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 7210 | if (sp->config.napi) { |
| 7211 | int off = 0; |
| 7212 | if (config->intr_type == MSI_X) { |
| 7213 | for (; off < sp->config.rx_ring_num; off++) |
| 7214 | napi_disable(&sp->mac_control.rings[off].napi); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7215 | } |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 7216 | else |
| 7217 | napi_disable(&sp->napi); |
| 7218 | } |
Sreenivasa Honnur | 5f490c9 | 2008-01-14 20:23:04 -0500 | [diff] [blame] | 7219 | |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 7220 | /* disable Tx and Rx traffic on the NIC */ |
Linas Vepstas | d796fdb | 2007-05-14 18:37:30 -0500 | [diff] [blame] | 7221 | if (do_io) |
| 7222 | stop_nic(sp); |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 7223 | |
| 7224 | s2io_rem_isr(sp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7225 | |
Sreenivasa Honnur | 01e16fa | 2008-07-09 23:49:21 -0400 | [diff] [blame] | 7226 | /* stop the tx queue, indicate link down */ |
| 7227 | s2io_link(sp, LINK_DOWN); |
| 7228 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7229 | /* Check if the device is Quiescent and then Reset the NIC */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7230 | while (do_io) { |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 7231 | /* As per the HW requirement we need to replenish the |
| 7232 | * receive buffer to avoid the ring bump. Since there is |
| 7233 | * no intention of processing the Rx frame at this pointwe are |
| 7234 | * just settting the ownership bit of rxd in Each Rx |
| 7235 | * ring to HW and set the appropriate buffer size |
| 7236 | * based on the ring mode |
| 7237 | */ |
| 7238 | rxd_owner_bit_reset(sp); |
| 7239 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7240 | val64 = readq(&bar0->adapter_status); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 7241 | if (verify_xena_quiescence(sp)) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7242 | if (verify_pcc_quiescent(sp, sp->device_enabled_once)) |
| 7243 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7244 | } |
| 7245 | |
| 7246 | msleep(50); |
| 7247 | cnt++; |
| 7248 | if (cnt == 10) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 7249 | DBG_PRINT(ERR_DBG, "Device not Quiescent - " |
| 7250 | "adapter status reads 0x%llx\n", |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7251 | (unsigned long long)val64); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7252 | break; |
| 7253 | } |
Linas Vepstas | d796fdb | 2007-05-14 18:37:30 -0500 | [diff] [blame] | 7254 | } |
| 7255 | if (do_io) |
| 7256 | s2io_reset(sp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7257 | |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 7258 | /* Free all Tx buffers */ |
| 7259 | free_tx_buffers(sp); |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 7260 | |
| 7261 | /* Free all Rx buffers */ |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 7262 | free_rx_buffers(sp); |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 7263 | |
Sivakumar Subramani | 92b8443 | 2007-09-06 06:51:14 -0400 | [diff] [blame] | 7264 | clear_bit(__S2IO_STATE_LINK_TASK, &(sp->state)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7265 | } |
| 7266 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7267 | static void s2io_card_down(struct s2io_nic *sp) |
Linas Vepstas | d796fdb | 2007-05-14 18:37:30 -0500 | [diff] [blame] | 7268 | { |
| 7269 | do_s2io_card_down(sp, 1); |
| 7270 | } |
| 7271 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7272 | static int s2io_card_up(struct s2io_nic *sp) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7273 | { |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 7274 | int i, ret = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7275 | struct config_param *config; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7276 | struct mac_info *mac_control; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7277 | struct net_device *dev = (struct net_device *)sp->dev; |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 7278 | u16 interruptible; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7279 | |
| 7280 | /* Initialize the H/W I/O registers */ |
Sreenivasa Honnur | 9f74ffd | 2007-11-30 01:46:08 -0500 | [diff] [blame] | 7281 | ret = init_nic(sp); |
| 7282 | if (ret != 0) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7283 | DBG_PRINT(ERR_DBG, "%s: H/W initialization failed\n", |
| 7284 | dev->name); |
Sreenivasa Honnur | 9f74ffd | 2007-11-30 01:46:08 -0500 | [diff] [blame] | 7285 | if (ret != -EIO) |
| 7286 | s2io_reset(sp); |
| 7287 | return ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7288 | } |
| 7289 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7290 | /* |
| 7291 | * Initializing the Rx buffers. For now we are considering only 1 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7292 | * Rx ring and initializing buffers into 30 Rx blocks |
| 7293 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7294 | config = &sp->config; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7295 | mac_control = &sp->mac_control; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7296 | |
| 7297 | for (i = 0; i < config->rx_ring_num; i++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 7298 | struct ring_info *ring = &mac_control->rings[i]; |
| 7299 | |
| 7300 | ring->mtu = dev->mtu; |
Amerigo Wang | f0c54ac | 2010-08-25 00:23:39 +0000 | [diff] [blame] | 7301 | ring->lro = !!(dev->features & NETIF_F_LRO); |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 7302 | ret = fill_rx_buffers(sp, ring, 1); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 7303 | if (ret) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7304 | DBG_PRINT(ERR_DBG, "%s: Out of memory in Open\n", |
| 7305 | dev->name); |
| 7306 | s2io_reset(sp); |
| 7307 | free_rx_buffers(sp); |
| 7308 | return -ENOMEM; |
| 7309 | } |
| 7310 | DBG_PRINT(INFO_DBG, "Buf in ring:%d is %d:\n", i, |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 7311 | ring->rx_bufs_left); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7312 | } |
Sreenivasa Honnur | 5f490c9 | 2008-01-14 20:23:04 -0500 | [diff] [blame] | 7313 | |
| 7314 | /* Initialise napi */ |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 7315 | if (config->napi) { |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 7316 | if (config->intr_type == MSI_X) { |
| 7317 | for (i = 0; i < sp->config.rx_ring_num; i++) |
| 7318 | napi_enable(&sp->mac_control.rings[i].napi); |
| 7319 | } else { |
| 7320 | napi_enable(&sp->napi); |
| 7321 | } |
| 7322 | } |
Sreenivasa Honnur | 5f490c9 | 2008-01-14 20:23:04 -0500 | [diff] [blame] | 7323 | |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 7324 | /* Maintain the state prior to the open */ |
| 7325 | if (sp->promisc_flg) |
| 7326 | sp->promisc_flg = 0; |
| 7327 | if (sp->m_cast_flg) { |
| 7328 | sp->m_cast_flg = 0; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7329 | sp->all_multi_pos = 0; |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 7330 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7331 | |
| 7332 | /* Setting its receive mode */ |
| 7333 | s2io_set_multicast(dev); |
| 7334 | |
Amerigo Wang | f0c54ac | 2010-08-25 00:23:39 +0000 | [diff] [blame] | 7335 | if (dev->features & NETIF_F_LRO) { |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 7336 | /* Initialize max aggregatable pkts per session based on MTU */ |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 7337 | sp->lro_max_aggr_per_sess = ((1<<16) - 1) / dev->mtu; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7338 | /* Check if we can use (if specified) user provided value */ |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 7339 | if (lro_max_pkts < sp->lro_max_aggr_per_sess) |
| 7340 | sp->lro_max_aggr_per_sess = lro_max_pkts; |
| 7341 | } |
| 7342 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7343 | /* Enable Rx Traffic and interrupts on the NIC */ |
| 7344 | if (start_nic(sp)) { |
| 7345 | DBG_PRINT(ERR_DBG, "%s: Starting NIC failed\n", dev->name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7346 | s2io_reset(sp); |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 7347 | free_rx_buffers(sp); |
| 7348 | return -ENODEV; |
| 7349 | } |
| 7350 | |
| 7351 | /* Add interrupt service routine */ |
| 7352 | if (s2io_add_isr(sp) != 0) { |
Sivakumar Subramani | eaae7f7 | 2007-09-15 14:14:22 -0700 | [diff] [blame] | 7353 | if (sp->config.intr_type == MSI_X) |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 7354 | s2io_rem_isr(sp); |
| 7355 | s2io_reset(sp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7356 | free_rx_buffers(sp); |
| 7357 | return -ENODEV; |
| 7358 | } |
| 7359 | |
raghavendra.koushik@neterion.com | 25fff88 | 2005-08-03 12:34:11 -0700 | [diff] [blame] | 7360 | S2IO_TIMER_CONF(sp->alarm_timer, s2io_alarm_handle, sp, (HZ/2)); |
| 7361 | |
Sreenivasa Honnur | 01e16fa | 2008-07-09 23:49:21 -0400 | [diff] [blame] | 7362 | set_bit(__S2IO_STATE_CARD_UP, &sp->state); |
| 7363 | |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 7364 | /* Enable select interrupts */ |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 7365 | en_dis_err_alarms(sp, ENA_ALL_INTRS, ENABLE_INTRS); |
Sreenivasa Honnur | 01e16fa | 2008-07-09 23:49:21 -0400 | [diff] [blame] | 7366 | if (sp->config.intr_type != INTA) { |
| 7367 | interruptible = TX_TRAFFIC_INTR | TX_PIC_INTR; |
| 7368 | en_dis_able_nic_intrs(sp, interruptible, ENABLE_INTRS); |
| 7369 | } else { |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 7370 | interruptible = TX_TRAFFIC_INTR | RX_TRAFFIC_INTR; |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 7371 | interruptible |= TX_PIC_INTR; |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 7372 | en_dis_able_nic_intrs(sp, interruptible, ENABLE_INTRS); |
| 7373 | } |
| 7374 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7375 | return 0; |
| 7376 | } |
| 7377 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7378 | /** |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7379 | * s2io_restart_nic - Resets the NIC. |
| 7380 | * @data : long pointer to the device private structure |
| 7381 | * Description: |
| 7382 | * This function is scheduled to be run by the s2io_tx_watchdog |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7383 | * function after 0.5 secs to reset the NIC. The idea is to reduce |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7384 | * the run time of the watch dog routine which is run holding a |
| 7385 | * spin lock. |
| 7386 | */ |
| 7387 | |
David Howells | c402895 | 2006-11-22 14:57:56 +0000 | [diff] [blame] | 7388 | static void s2io_restart_nic(struct work_struct *work) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7389 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 7390 | struct s2io_nic *sp = container_of(work, struct s2io_nic, rst_timer_task); |
David Howells | c402895 | 2006-11-22 14:57:56 +0000 | [diff] [blame] | 7391 | struct net_device *dev = sp->dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7392 | |
Francois Romieu | 22747d6 | 2007-02-15 23:37:50 +0100 | [diff] [blame] | 7393 | rtnl_lock(); |
| 7394 | |
| 7395 | if (!netif_running(dev)) |
| 7396 | goto out_unlock; |
| 7397 | |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 7398 | s2io_card_down(sp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7399 | if (s2io_card_up(sp)) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7400 | DBG_PRINT(ERR_DBG, "%s: Device bring up failed\n", dev->name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7401 | } |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 7402 | s2io_wake_all_tx_queue(sp); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7403 | DBG_PRINT(ERR_DBG, "%s: was reset by Tx watchdog timer\n", dev->name); |
Francois Romieu | 22747d6 | 2007-02-15 23:37:50 +0100 | [diff] [blame] | 7404 | out_unlock: |
| 7405 | rtnl_unlock(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7406 | } |
| 7407 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7408 | /** |
| 7409 | * s2io_tx_watchdog - Watchdog for transmit side. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7410 | * @dev : Pointer to net device structure |
| 7411 | * Description: |
| 7412 | * This function is triggered if the Tx Queue is stopped |
| 7413 | * for a pre-defined amount of time when the Interface is still up. |
| 7414 | * If the Interface is jammed in such a situation, the hardware is |
| 7415 | * reset (by s2io_close) and restarted again (by s2io_open) to |
| 7416 | * overcome any problem that might have been caused in the hardware. |
| 7417 | * Return value: |
| 7418 | * void |
| 7419 | */ |
| 7420 | |
| 7421 | static void s2io_tx_watchdog(struct net_device *dev) |
| 7422 | { |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 7423 | struct s2io_nic *sp = netdev_priv(dev); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7424 | struct swStat *swstats = &sp->mac_control.stats_info->sw_stat; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7425 | |
| 7426 | if (netif_carrier_ok(dev)) { |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7427 | swstats->watchdog_timer_cnt++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7428 | schedule_work(&sp->rst_timer_task); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7429 | swstats->soft_reset_cnt++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7430 | } |
| 7431 | } |
| 7432 | |
| 7433 | /** |
| 7434 | * rx_osm_handler - To perform some OS related operations on SKB. |
| 7435 | * @sp: private member of the device structure,pointer to s2io_nic structure. |
| 7436 | * @skb : the socket buffer pointer. |
| 7437 | * @len : length of the packet |
| 7438 | * @cksum : FCS checksum of the frame. |
| 7439 | * @ring_no : the ring from which this RxD was extracted. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7440 | * Description: |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 7441 | * This function is called by the Rx interrupt serivce routine to perform |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7442 | * some OS related operations on the SKB before passing it to the upper |
| 7443 | * layers. It mainly checks if the checksum is OK, if so adds it to the |
| 7444 | * SKBs cksum variable, increments the Rx packet count and passes the SKB |
| 7445 | * to the upper layer. If the checksum is wrong, it increments the Rx |
| 7446 | * packet error count, frees the SKB and returns error. |
| 7447 | * Return value: |
| 7448 | * SUCCESS on success and -1 on failure. |
| 7449 | */ |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 7450 | static int rx_osm_handler(struct ring_info *ring_data, struct RxD_t * rxdp) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7451 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 7452 | struct s2io_nic *sp = ring_data->nic; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7453 | struct net_device *dev = (struct net_device *)ring_data->dev; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7454 | struct sk_buff *skb = (struct sk_buff *) |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7455 | ((unsigned long)rxdp->Host_Control); |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7456 | int ring_no = ring_data->ring_no; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7457 | u16 l3_csum, l4_csum; |
Ananda Raju | 863c11a | 2006-04-21 19:03:13 -0400 | [diff] [blame] | 7458 | unsigned long long err = rxdp->Control_1 & RXD_T_CODE; |
Ingo Molnar | 2e6a684 | 2008-11-25 16:47:35 -0800 | [diff] [blame] | 7459 | struct lro *uninitialized_var(lro); |
Olaf Hering | f9046eb | 2007-06-19 22:41:10 +0200 | [diff] [blame] | 7460 | u8 err_mask; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7461 | struct swStat *swstats = &sp->mac_control.stats_info->sw_stat; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 7462 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7463 | skb->dev = dev; |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 7464 | |
Ananda Raju | 863c11a | 2006-04-21 19:03:13 -0400 | [diff] [blame] | 7465 | if (err) { |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 7466 | /* Check for parity error */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7467 | if (err & 0x1) |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7468 | swstats->parity_err_cnt++; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7469 | |
Olaf Hering | f9046eb | 2007-06-19 22:41:10 +0200 | [diff] [blame] | 7470 | err_mask = err >> 48; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7471 | switch (err_mask) { |
| 7472 | case 1: |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7473 | swstats->rx_parity_err_cnt++; |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 7474 | break; |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 7475 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7476 | case 2: |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7477 | swstats->rx_abort_cnt++; |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 7478 | break; |
| 7479 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7480 | case 3: |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7481 | swstats->rx_parity_abort_cnt++; |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 7482 | break; |
| 7483 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7484 | case 4: |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7485 | swstats->rx_rda_fail_cnt++; |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 7486 | break; |
| 7487 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7488 | case 5: |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7489 | swstats->rx_unkn_prot_cnt++; |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 7490 | break; |
| 7491 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7492 | case 6: |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7493 | swstats->rx_fcs_err_cnt++; |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 7494 | break; |
| 7495 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7496 | case 7: |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7497 | swstats->rx_buf_size_err_cnt++; |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 7498 | break; |
| 7499 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7500 | case 8: |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7501 | swstats->rx_rxd_corrupt_cnt++; |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 7502 | break; |
| 7503 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7504 | case 15: |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7505 | swstats->rx_unkn_err_cnt++; |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 7506 | break; |
| 7507 | } |
Ananda Raju | 863c11a | 2006-04-21 19:03:13 -0400 | [diff] [blame] | 7508 | /* |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7509 | * Drop the packet if bad transfer code. Exception being |
| 7510 | * 0x5, which could be due to unsupported IPv6 extension header. |
| 7511 | * In this case, we let stack handle the packet. |
| 7512 | * Note that in this case, since checksum will be incorrect, |
| 7513 | * stack will validate the same. |
| 7514 | */ |
Olaf Hering | f9046eb | 2007-06-19 22:41:10 +0200 | [diff] [blame] | 7515 | if (err_mask != 0x5) { |
| 7516 | DBG_PRINT(ERR_DBG, "%s: Rx error Value: 0x%x\n", |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7517 | dev->name, err_mask); |
Breno Leitao | dc56e634 | 2008-07-22 16:27:20 -0300 | [diff] [blame] | 7518 | dev->stats.rx_crc_errors++; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7519 | swstats->mem_freed |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 7520 | += skb->truesize; |
Ananda Raju | 863c11a | 2006-04-21 19:03:13 -0400 | [diff] [blame] | 7521 | dev_kfree_skb(skb); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 7522 | ring_data->rx_bufs_left -= 1; |
Ananda Raju | 863c11a | 2006-04-21 19:03:13 -0400 | [diff] [blame] | 7523 | rxdp->Host_Control = 0; |
| 7524 | return 0; |
| 7525 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7526 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7527 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7528 | rxdp->Host_Control = 0; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 7529 | if (sp->rxd_mode == RXD_MODE_1) { |
| 7530 | int len = RXD_GET_BUFFER0_SIZE_1(rxdp->Control_2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7531 | |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 7532 | skb_put(skb, len); |
Veena Parat | 6d517a2 | 2007-07-23 02:20:51 -0400 | [diff] [blame] | 7533 | } else if (sp->rxd_mode == RXD_MODE_3B) { |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 7534 | int get_block = ring_data->rx_curr_get_info.block_index; |
| 7535 | int get_off = ring_data->rx_curr_get_info.offset; |
| 7536 | int buf0_len = RXD_GET_BUFFER0_SIZE_3(rxdp->Control_2); |
| 7537 | int buf2_len = RXD_GET_BUFFER2_SIZE_3(rxdp->Control_2); |
| 7538 | unsigned char *buff = skb_push(skb, buf0_len); |
| 7539 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 7540 | struct buffAdd *ba = &ring_data->ba[get_block][get_off]; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 7541 | memcpy(buff, ba->ba_0, buf0_len); |
Veena Parat | 6d517a2 | 2007-07-23 02:20:51 -0400 | [diff] [blame] | 7542 | skb_put(skb, buf2_len); |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 7543 | } |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7544 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7545 | if ((rxdp->Control_1 & TCP_OR_UDP_FRAME) && |
| 7546 | ((!ring_data->lro) || |
| 7547 | (ring_data->lro && (!(rxdp->Control_1 & RXD_FRAME_IP_FRAG)))) && |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7548 | (sp->rx_csum)) { |
| 7549 | l3_csum = RXD_GET_L3_CKSUM(rxdp->Control_1); |
| 7550 | l4_csum = RXD_GET_L4_CKSUM(rxdp->Control_1); |
| 7551 | if ((l3_csum == L3_CKSUM_OK) && (l4_csum == L4_CKSUM_OK)) { |
| 7552 | /* |
| 7553 | * NIC verifies if the Checksum of the received |
| 7554 | * frame is Ok or not and accordingly returns |
| 7555 | * a flag in the RxD. |
| 7556 | */ |
| 7557 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 7558 | if (ring_data->lro) { |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 7559 | u32 tcp_len; |
| 7560 | u8 *tcp; |
| 7561 | int ret = 0; |
| 7562 | |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 7563 | ret = s2io_club_tcp_session(ring_data, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7564 | skb->data, &tcp, |
| 7565 | &tcp_len, &lro, |
| 7566 | rxdp, sp); |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 7567 | switch (ret) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7568 | case 3: /* Begin anew */ |
| 7569 | lro->parent = skb; |
| 7570 | goto aggregate; |
| 7571 | case 1: /* Aggregate */ |
| 7572 | lro_append_pkt(sp, lro, skb, tcp_len); |
| 7573 | goto aggregate; |
| 7574 | case 4: /* Flush session */ |
| 7575 | lro_append_pkt(sp, lro, skb, tcp_len); |
| 7576 | queue_rx_frame(lro->parent, |
| 7577 | lro->vlan_tag); |
| 7578 | clear_lro_session(lro); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7579 | swstats->flush_max_pkts++; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7580 | goto aggregate; |
| 7581 | case 2: /* Flush both */ |
| 7582 | lro->parent->data_len = lro->frags_len; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7583 | swstats->sending_both++; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7584 | queue_rx_frame(lro->parent, |
| 7585 | lro->vlan_tag); |
| 7586 | clear_lro_session(lro); |
| 7587 | goto send_up; |
| 7588 | case 0: /* sessions exceeded */ |
| 7589 | case -1: /* non-TCP or not L2 aggregatable */ |
| 7590 | case 5: /* |
| 7591 | * First pkt in session not |
| 7592 | * L3/L4 aggregatable |
| 7593 | */ |
| 7594 | break; |
| 7595 | default: |
| 7596 | DBG_PRINT(ERR_DBG, |
| 7597 | "%s: Samadhana!!\n", |
| 7598 | __func__); |
| 7599 | BUG(); |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 7600 | } |
| 7601 | } |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7602 | } else { |
| 7603 | /* |
| 7604 | * Packet with erroneous checksum, let the |
| 7605 | * upper layers deal with it. |
| 7606 | */ |
Eric Dumazet | bc8acf2 | 2010-09-02 13:07:41 -0700 | [diff] [blame] | 7607 | skb_checksum_none_assert(skb); |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7608 | } |
Sreenivasa Honnur | cdb5bf0 | 2008-02-20 17:09:15 -0500 | [diff] [blame] | 7609 | } else |
Eric Dumazet | bc8acf2 | 2010-09-02 13:07:41 -0700 | [diff] [blame] | 7610 | skb_checksum_none_assert(skb); |
Sreenivasa Honnur | cdb5bf0 | 2008-02-20 17:09:15 -0500 | [diff] [blame] | 7611 | |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7612 | swstats->mem_freed += skb->truesize; |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 7613 | send_up: |
David S. Miller | 0c8dfc8 | 2009-01-27 16:22:32 -0800 | [diff] [blame] | 7614 | skb_record_rx_queue(skb, ring_no); |
Sreenivasa Honnur | cdb5bf0 | 2008-02-20 17:09:15 -0500 | [diff] [blame] | 7615 | queue_rx_frame(skb, RXD_GET_VLAN_TAG(rxdp->Control_2)); |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 7616 | aggregate: |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 7617 | sp->mac_control.rings[ring_no].rx_bufs_left -= 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7618 | return SUCCESS; |
| 7619 | } |
| 7620 | |
| 7621 | /** |
| 7622 | * s2io_link - stops/starts the Tx queue. |
| 7623 | * @sp : private member of the device structure, which is a pointer to the |
| 7624 | * s2io_nic structure. |
| 7625 | * @link : inidicates whether link is UP/DOWN. |
| 7626 | * Description: |
| 7627 | * This function stops/starts the Tx queue depending on whether the link |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7628 | * status of the NIC is is down or up. This is called by the Alarm |
| 7629 | * interrupt handler whenever a link change interrupt comes up. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7630 | * Return value: |
| 7631 | * void. |
| 7632 | */ |
| 7633 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7634 | static void s2io_link(struct s2io_nic *sp, int link) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7635 | { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7636 | struct net_device *dev = (struct net_device *)sp->dev; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7637 | struct swStat *swstats = &sp->mac_control.stats_info->sw_stat; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7638 | |
| 7639 | if (link != sp->last_link_state) { |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 7640 | init_tti(sp, link); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7641 | if (link == LINK_DOWN) { |
| 7642 | DBG_PRINT(ERR_DBG, "%s: Link down\n", dev->name); |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 7643 | s2io_stop_all_tx_queue(sp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7644 | netif_carrier_off(dev); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7645 | if (swstats->link_up_cnt) |
| 7646 | swstats->link_up_time = |
| 7647 | jiffies - sp->start_time; |
| 7648 | swstats->link_down_cnt++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7649 | } else { |
| 7650 | DBG_PRINT(ERR_DBG, "%s: Link Up\n", dev->name); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7651 | if (swstats->link_down_cnt) |
| 7652 | swstats->link_down_time = |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7653 | jiffies - sp->start_time; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7654 | swstats->link_up_cnt++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7655 | netif_carrier_on(dev); |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 7656 | s2io_wake_all_tx_queue(sp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7657 | } |
| 7658 | } |
| 7659 | sp->last_link_state = link; |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 7660 | sp->start_time = jiffies; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7661 | } |
| 7662 | |
| 7663 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7664 | * s2io_init_pci -Initialization of PCI and PCI-X configuration registers . |
| 7665 | * @sp : private member of the device structure, which is a pointer to the |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7666 | * s2io_nic structure. |
| 7667 | * Description: |
| 7668 | * This function initializes a few of the PCI and PCI-X configuration registers |
| 7669 | * with recommended values. |
| 7670 | * Return value: |
| 7671 | * void |
| 7672 | */ |
| 7673 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7674 | static void s2io_init_pci(struct s2io_nic *sp) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7675 | { |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7676 | u16 pci_cmd = 0, pcix_cmd = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7677 | |
| 7678 | /* Enable Data Parity Error Recovery in PCI-X command register. */ |
| 7679 | pci_read_config_word(sp->pdev, PCIX_COMMAND_REGISTER, |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7680 | &(pcix_cmd)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7681 | pci_write_config_word(sp->pdev, PCIX_COMMAND_REGISTER, |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7682 | (pcix_cmd | 1)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7683 | pci_read_config_word(sp->pdev, PCIX_COMMAND_REGISTER, |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7684 | &(pcix_cmd)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7685 | |
| 7686 | /* Set the PErr Response bit in PCI command register. */ |
| 7687 | pci_read_config_word(sp->pdev, PCI_COMMAND, &pci_cmd); |
| 7688 | pci_write_config_word(sp->pdev, PCI_COMMAND, |
| 7689 | (pci_cmd | PCI_COMMAND_PARITY)); |
| 7690 | pci_read_config_word(sp->pdev, PCI_COMMAND, &pci_cmd); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7691 | } |
| 7692 | |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 7693 | static int s2io_verify_parm(struct pci_dev *pdev, u8 *dev_intr_type, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7694 | u8 *dev_multiq) |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 7695 | { |
Jon Mason | 1853e2e | 2010-12-10 15:40:01 +0000 | [diff] [blame] | 7696 | int i; |
| 7697 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7698 | if ((tx_fifo_num > MAX_TX_FIFOS) || (tx_fifo_num < 1)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 7699 | DBG_PRINT(ERR_DBG, "Requested number of tx fifos " |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7700 | "(%d) not supported\n", tx_fifo_num); |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 7701 | |
| 7702 | if (tx_fifo_num < 1) |
| 7703 | tx_fifo_num = 1; |
| 7704 | else |
| 7705 | tx_fifo_num = MAX_TX_FIFOS; |
| 7706 | |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 7707 | DBG_PRINT(ERR_DBG, "Default to %d tx fifos\n", tx_fifo_num); |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 7708 | } |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 7709 | |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 7710 | if (multiq) |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 7711 | *dev_multiq = multiq; |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 7712 | |
| 7713 | if (tx_steering_type && (1 == tx_fifo_num)) { |
| 7714 | if (tx_steering_type != TX_DEFAULT_STEERING) |
| 7715 | DBG_PRINT(ERR_DBG, |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 7716 | "Tx steering is not supported with " |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7717 | "one fifo. Disabling Tx steering.\n"); |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 7718 | tx_steering_type = NO_STEERING; |
| 7719 | } |
| 7720 | |
| 7721 | if ((tx_steering_type < NO_STEERING) || |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7722 | (tx_steering_type > TX_DEFAULT_STEERING)) { |
| 7723 | DBG_PRINT(ERR_DBG, |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 7724 | "Requested transmit steering not supported\n"); |
| 7725 | DBG_PRINT(ERR_DBG, "Disabling transmit steering\n"); |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 7726 | tx_steering_type = NO_STEERING; |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 7727 | } |
| 7728 | |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 7729 | if (rx_ring_num > MAX_RX_RINGS) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7730 | DBG_PRINT(ERR_DBG, |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 7731 | "Requested number of rx rings not supported\n"); |
| 7732 | DBG_PRINT(ERR_DBG, "Default to %d rx rings\n", |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7733 | MAX_RX_RINGS); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 7734 | rx_ring_num = MAX_RX_RINGS; |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 7735 | } |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 7736 | |
Veena Parat | eccb862 | 2007-07-23 02:23:54 -0400 | [diff] [blame] | 7737 | if ((*dev_intr_type != INTA) && (*dev_intr_type != MSI_X)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 7738 | DBG_PRINT(ERR_DBG, "Wrong intr_type requested. " |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 7739 | "Defaulting to INTA\n"); |
| 7740 | *dev_intr_type = INTA; |
| 7741 | } |
Sivakumar Subramani | 596c5c9 | 2007-09-15 14:24:03 -0700 | [diff] [blame] | 7742 | |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 7743 | if ((*dev_intr_type == MSI_X) && |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7744 | ((pdev->device != PCI_DEVICE_ID_HERC_WIN) && |
| 7745 | (pdev->device != PCI_DEVICE_ID_HERC_UNI))) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 7746 | DBG_PRINT(ERR_DBG, "Xframe I does not support MSI_X. " |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7747 | "Defaulting to INTA\n"); |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 7748 | *dev_intr_type = INTA; |
| 7749 | } |
Sivakumar Subramani | fb6a825 | 2007-02-24 01:51:50 -0500 | [diff] [blame] | 7750 | |
Veena Parat | 6d517a2 | 2007-07-23 02:20:51 -0400 | [diff] [blame] | 7751 | if ((rx_ring_mode != 1) && (rx_ring_mode != 2)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 7752 | DBG_PRINT(ERR_DBG, "Requested ring mode not supported\n"); |
| 7753 | DBG_PRINT(ERR_DBG, "Defaulting to 1-buffer mode\n"); |
Veena Parat | 6d517a2 | 2007-07-23 02:20:51 -0400 | [diff] [blame] | 7754 | rx_ring_mode = 1; |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 7755 | } |
Jon Mason | 1853e2e | 2010-12-10 15:40:01 +0000 | [diff] [blame] | 7756 | |
| 7757 | for (i = 0; i < MAX_RX_RINGS; i++) |
| 7758 | if (rx_ring_sz[i] > MAX_RX_BLOCKS_PER_RING) { |
| 7759 | DBG_PRINT(ERR_DBG, "Requested rx ring size not " |
| 7760 | "supported\nDefaulting to %d\n", |
| 7761 | MAX_RX_BLOCKS_PER_RING); |
| 7762 | rx_ring_sz[i] = MAX_RX_BLOCKS_PER_RING; |
| 7763 | } |
| 7764 | |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 7765 | return SUCCESS; |
| 7766 | } |
| 7767 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7768 | /** |
Sivakumar Subramani | 9fc93a4 | 2007-02-24 01:57:32 -0500 | [diff] [blame] | 7769 | * rts_ds_steer - Receive traffic steering based on IPv4 or IPv6 TOS |
| 7770 | * or Traffic class respectively. |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 7771 | * @nic: device private variable |
Sivakumar Subramani | 9fc93a4 | 2007-02-24 01:57:32 -0500 | [diff] [blame] | 7772 | * Description: The function configures the receive steering to |
| 7773 | * desired receive ring. |
| 7774 | * Return Value: SUCCESS on success and |
| 7775 | * '-1' on failure (endian settings incorrect). |
| 7776 | */ |
| 7777 | static int rts_ds_steer(struct s2io_nic *nic, u8 ds_codepoint, u8 ring) |
| 7778 | { |
| 7779 | struct XENA_dev_config __iomem *bar0 = nic->bar0; |
| 7780 | register u64 val64 = 0; |
| 7781 | |
| 7782 | if (ds_codepoint > 63) |
| 7783 | return FAILURE; |
| 7784 | |
| 7785 | val64 = RTS_DS_MEM_DATA(ring); |
| 7786 | writeq(val64, &bar0->rts_ds_mem_data); |
| 7787 | |
| 7788 | val64 = RTS_DS_MEM_CTRL_WE | |
| 7789 | RTS_DS_MEM_CTRL_STROBE_NEW_CMD | |
| 7790 | RTS_DS_MEM_CTRL_OFFSET(ds_codepoint); |
| 7791 | |
| 7792 | writeq(val64, &bar0->rts_ds_mem_ctrl); |
| 7793 | |
| 7794 | return wait_for_cmd_complete(&bar0->rts_ds_mem_ctrl, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7795 | RTS_DS_MEM_CTRL_STROBE_CMD_BEING_EXECUTED, |
| 7796 | S2IO_BIT_RESET); |
Sivakumar Subramani | 9fc93a4 | 2007-02-24 01:57:32 -0500 | [diff] [blame] | 7797 | } |
| 7798 | |
Stephen Hemminger | 0402509 | 2008-11-21 17:28:55 -0800 | [diff] [blame] | 7799 | static const struct net_device_ops s2io_netdev_ops = { |
| 7800 | .ndo_open = s2io_open, |
| 7801 | .ndo_stop = s2io_close, |
| 7802 | .ndo_get_stats = s2io_get_stats, |
| 7803 | .ndo_start_xmit = s2io_xmit, |
| 7804 | .ndo_validate_addr = eth_validate_addr, |
| 7805 | .ndo_set_multicast_list = s2io_set_multicast, |
| 7806 | .ndo_do_ioctl = s2io_ioctl, |
| 7807 | .ndo_set_mac_address = s2io_set_mac_addr, |
| 7808 | .ndo_change_mtu = s2io_change_mtu, |
| 7809 | .ndo_vlan_rx_register = s2io_vlan_rx_register, |
| 7810 | .ndo_vlan_rx_kill_vid = s2io_vlan_rx_kill_vid, |
| 7811 | .ndo_tx_timeout = s2io_tx_watchdog, |
| 7812 | #ifdef CONFIG_NET_POLL_CONTROLLER |
| 7813 | .ndo_poll_controller = s2io_netpoll, |
| 7814 | #endif |
| 7815 | }; |
| 7816 | |
Sivakumar Subramani | 9fc93a4 | 2007-02-24 01:57:32 -0500 | [diff] [blame] | 7817 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7818 | * s2io_init_nic - Initialization of the adapter . |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7819 | * @pdev : structure containing the PCI related information of the device. |
| 7820 | * @pre: List of PCI devices supported by the driver listed in s2io_tbl. |
| 7821 | * Description: |
| 7822 | * The function initializes an adapter identified by the pci_dec structure. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7823 | * All OS related initialization including memory and device structure and |
| 7824 | * initlaization of the device private variable is done. Also the swapper |
| 7825 | * control register is initialized to enable read and write into the I/O |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7826 | * registers of the device. |
| 7827 | * Return value: |
| 7828 | * returns 0 on success and negative on failure. |
| 7829 | */ |
| 7830 | |
| 7831 | static int __devinit |
| 7832 | s2io_init_nic(struct pci_dev *pdev, const struct pci_device_id *pre) |
| 7833 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 7834 | struct s2io_nic *sp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7835 | struct net_device *dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7836 | int i, j, ret; |
Tobias Klauser | f957bcf | 2009-06-04 23:07:59 +0000 | [diff] [blame] | 7837 | int dma_flag = false; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7838 | u32 mac_up, mac_down; |
| 7839 | u64 val64 = 0, tmp64 = 0; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 7840 | struct XENA_dev_config __iomem *bar0 = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7841 | u16 subid; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7842 | struct config_param *config; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7843 | struct mac_info *mac_control; |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 7844 | int mode; |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 7845 | u8 dev_intr_type = intr_type; |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 7846 | u8 dev_multiq = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7847 | |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 7848 | ret = s2io_verify_parm(pdev, &dev_intr_type, &dev_multiq); |
| 7849 | if (ret) |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 7850 | return ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7851 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7852 | ret = pci_enable_device(pdev); |
| 7853 | if (ret) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7854 | DBG_PRINT(ERR_DBG, |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 7855 | "%s: pci_enable_device failed\n", __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7856 | return ret; |
| 7857 | } |
| 7858 | |
Yang Hongyang | 6a35528 | 2009-04-06 19:01:13 -0700 | [diff] [blame] | 7859 | if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 7860 | DBG_PRINT(INIT_DBG, "%s: Using 64bit DMA\n", __func__); |
Tobias Klauser | f957bcf | 2009-06-04 23:07:59 +0000 | [diff] [blame] | 7861 | dma_flag = true; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7862 | if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7863 | DBG_PRINT(ERR_DBG, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7864 | "Unable to obtain 64bit DMA " |
| 7865 | "for consistent allocations\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7866 | pci_disable_device(pdev); |
| 7867 | return -ENOMEM; |
| 7868 | } |
Yang Hongyang | 284901a | 2009-04-06 19:01:15 -0700 | [diff] [blame] | 7869 | } else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 7870 | DBG_PRINT(INIT_DBG, "%s: Using 32bit DMA\n", __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7871 | } else { |
| 7872 | pci_disable_device(pdev); |
| 7873 | return -ENOMEM; |
| 7874 | } |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7875 | ret = pci_request_regions(pdev, s2io_driver_name); |
| 7876 | if (ret) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 7877 | DBG_PRINT(ERR_DBG, "%s: Request Regions failed - %x\n", |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7878 | __func__, ret); |
Veena Parat | eccb862 | 2007-07-23 02:23:54 -0400 | [diff] [blame] | 7879 | pci_disable_device(pdev); |
| 7880 | return -ENODEV; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7881 | } |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 7882 | if (dev_multiq) |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 7883 | dev = alloc_etherdev_mq(sizeof(struct s2io_nic), tx_fifo_num); |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 7884 | else |
David S. Miller | b19fa1f | 2008-07-08 23:14:24 -0700 | [diff] [blame] | 7885 | dev = alloc_etherdev(sizeof(struct s2io_nic)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7886 | if (dev == NULL) { |
| 7887 | DBG_PRINT(ERR_DBG, "Device allocation failed\n"); |
| 7888 | pci_disable_device(pdev); |
| 7889 | pci_release_regions(pdev); |
| 7890 | return -ENODEV; |
| 7891 | } |
| 7892 | |
| 7893 | pci_set_master(pdev); |
| 7894 | pci_set_drvdata(pdev, dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7895 | SET_NETDEV_DEV(dev, &pdev->dev); |
| 7896 | |
| 7897 | /* Private member variable initialized to s2io NIC structure */ |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 7898 | sp = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7899 | sp->dev = dev; |
| 7900 | sp->pdev = pdev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7901 | sp->high_dma_flag = dma_flag; |
Tobias Klauser | f957bcf | 2009-06-04 23:07:59 +0000 | [diff] [blame] | 7902 | sp->device_enabled_once = false; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 7903 | if (rx_ring_mode == 1) |
| 7904 | sp->rxd_mode = RXD_MODE_1; |
| 7905 | if (rx_ring_mode == 2) |
| 7906 | sp->rxd_mode = RXD_MODE_3B; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 7907 | |
Sivakumar Subramani | eaae7f7 | 2007-09-15 14:14:22 -0700 | [diff] [blame] | 7908 | sp->config.intr_type = dev_intr_type; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7909 | |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 7910 | if ((pdev->device == PCI_DEVICE_ID_HERC_WIN) || |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7911 | (pdev->device == PCI_DEVICE_ID_HERC_UNI)) |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 7912 | sp->device_type = XFRAME_II_DEVICE; |
| 7913 | else |
| 7914 | sp->device_type = XFRAME_I_DEVICE; |
| 7915 | |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 7916 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7917 | /* Initialize some PCI/PCI-X fields of the NIC. */ |
| 7918 | s2io_init_pci(sp); |
| 7919 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7920 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7921 | * Setting the device configuration parameters. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7922 | * Most of these parameters can be specified by the user during |
| 7923 | * module insertion as they are module loadable parameters. If |
| 7924 | * these parameters are not not specified during load time, they |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7925 | * are initialized with default values. |
| 7926 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7927 | config = &sp->config; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7928 | mac_control = &sp->mac_control; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7929 | |
Sivakumar Subramani | 596c5c9 | 2007-09-15 14:24:03 -0700 | [diff] [blame] | 7930 | config->napi = napi; |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 7931 | config->tx_steering_type = tx_steering_type; |
Sivakumar Subramani | 596c5c9 | 2007-09-15 14:24:03 -0700 | [diff] [blame] | 7932 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7933 | /* Tx side parameters. */ |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 7934 | if (config->tx_steering_type == TX_PRIORITY_STEERING) |
| 7935 | config->tx_fifo_num = MAX_TX_FIFOS; |
| 7936 | else |
| 7937 | config->tx_fifo_num = tx_fifo_num; |
| 7938 | |
| 7939 | /* Initialize the fifos used for tx steering */ |
| 7940 | if (config->tx_fifo_num < 5) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7941 | if (config->tx_fifo_num == 1) |
| 7942 | sp->total_tcp_fifos = 1; |
| 7943 | else |
| 7944 | sp->total_tcp_fifos = config->tx_fifo_num - 1; |
| 7945 | sp->udp_fifo_idx = config->tx_fifo_num - 1; |
| 7946 | sp->total_udp_fifos = 1; |
| 7947 | sp->other_fifo_idx = sp->total_tcp_fifos - 1; |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 7948 | } else { |
| 7949 | sp->total_tcp_fifos = (tx_fifo_num - FIFO_UDP_MAX_NUM - |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7950 | FIFO_OTHER_MAX_NUM); |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 7951 | sp->udp_fifo_idx = sp->total_tcp_fifos; |
| 7952 | sp->total_udp_fifos = FIFO_UDP_MAX_NUM; |
| 7953 | sp->other_fifo_idx = sp->udp_fifo_idx + FIFO_UDP_MAX_NUM; |
| 7954 | } |
| 7955 | |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 7956 | config->multiq = dev_multiq; |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 7957 | for (i = 0; i < config->tx_fifo_num; i++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 7958 | struct tx_fifo_config *tx_cfg = &config->tx_cfg[i]; |
| 7959 | |
| 7960 | tx_cfg->fifo_len = tx_fifo_len[i]; |
| 7961 | tx_cfg->fifo_priority = i; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7962 | } |
| 7963 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7964 | /* mapping the QoS priority to the configured fifos */ |
| 7965 | for (i = 0; i < MAX_TX_FIFOS; i++) |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 7966 | config->fifo_mapping[i] = fifo_map[config->tx_fifo_num - 1][i]; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7967 | |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 7968 | /* map the hashing selector table to the configured fifos */ |
| 7969 | for (i = 0; i < config->tx_fifo_num; i++) |
| 7970 | sp->fifo_selector[i] = fifo_selector[i]; |
| 7971 | |
| 7972 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7973 | config->tx_intr_type = TXD_INT_TYPE_UTILZ; |
| 7974 | for (i = 0; i < config->tx_fifo_num; i++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 7975 | struct tx_fifo_config *tx_cfg = &config->tx_cfg[i]; |
| 7976 | |
| 7977 | tx_cfg->f_no_snoop = (NO_SNOOP_TXD | NO_SNOOP_TXD_BUFFER); |
| 7978 | if (tx_cfg->fifo_len < 65) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7979 | config->tx_intr_type = TXD_INT_TYPE_PER_LIST; |
| 7980 | break; |
| 7981 | } |
| 7982 | } |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 7983 | /* + 2 because one Txd for skb->data and one Txd for UFO */ |
| 7984 | config->max_txds = MAX_SKB_FRAGS + 2; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7985 | |
| 7986 | /* Rx side parameters. */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7987 | config->rx_ring_num = rx_ring_num; |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 7988 | for (i = 0; i < config->rx_ring_num; i++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 7989 | struct rx_ring_config *rx_cfg = &config->rx_cfg[i]; |
| 7990 | struct ring_info *ring = &mac_control->rings[i]; |
| 7991 | |
| 7992 | rx_cfg->num_rxd = rx_ring_sz[i] * (rxd_count[sp->rxd_mode] + 1); |
| 7993 | rx_cfg->ring_priority = i; |
| 7994 | ring->rx_bufs_left = 0; |
| 7995 | ring->rxd_mode = sp->rxd_mode; |
| 7996 | ring->rxd_count = rxd_count[sp->rxd_mode]; |
| 7997 | ring->pdev = sp->pdev; |
| 7998 | ring->dev = sp->dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7999 | } |
| 8000 | |
| 8001 | for (i = 0; i < rx_ring_num; i++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 8002 | struct rx_ring_config *rx_cfg = &config->rx_cfg[i]; |
| 8003 | |
| 8004 | rx_cfg->ring_org = RING_ORG_BUFF1; |
| 8005 | rx_cfg->f_no_snoop = (NO_SNOOP_RXD | NO_SNOOP_RXD_BUFFER); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8006 | } |
| 8007 | |
| 8008 | /* Setting Mac Control parameters */ |
| 8009 | mac_control->rmac_pause_time = rmac_pause_time; |
| 8010 | mac_control->mc_pause_threshold_q0q3 = mc_pause_threshold_q0q3; |
| 8011 | mac_control->mc_pause_threshold_q4q7 = mc_pause_threshold_q4q7; |
| 8012 | |
| 8013 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8014 | /* initialize the shared memory used by the NIC and the host */ |
| 8015 | if (init_shared_mem(sp)) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8016 | DBG_PRINT(ERR_DBG, "%s: Memory allocation failed\n", dev->name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8017 | ret = -ENOMEM; |
| 8018 | goto mem_alloc_failed; |
| 8019 | } |
| 8020 | |
Arjan van de Ven | 275f165 | 2008-10-20 21:42:39 -0700 | [diff] [blame] | 8021 | sp->bar0 = pci_ioremap_bar(pdev, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8022 | if (!sp->bar0) { |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 8023 | DBG_PRINT(ERR_DBG, "%s: Neterion: cannot remap io mem1\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8024 | dev->name); |
| 8025 | ret = -ENOMEM; |
| 8026 | goto bar0_remap_failed; |
| 8027 | } |
| 8028 | |
Arjan van de Ven | 275f165 | 2008-10-20 21:42:39 -0700 | [diff] [blame] | 8029 | sp->bar1 = pci_ioremap_bar(pdev, 2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8030 | if (!sp->bar1) { |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 8031 | DBG_PRINT(ERR_DBG, "%s: Neterion: cannot remap io mem2\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8032 | dev->name); |
| 8033 | ret = -ENOMEM; |
| 8034 | goto bar1_remap_failed; |
| 8035 | } |
| 8036 | |
| 8037 | dev->irq = pdev->irq; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8038 | dev->base_addr = (unsigned long)sp->bar0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8039 | |
| 8040 | /* Initializing the BAR1 address as the start of the FIFO pointer. */ |
| 8041 | for (j = 0; j < MAX_TX_FIFOS; j++) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8042 | mac_control->tx_FIFO_start[j] = |
| 8043 | (struct TxFIFO_element __iomem *) |
| 8044 | (sp->bar1 + (j * 0x00020000)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8045 | } |
| 8046 | |
| 8047 | /* Driver entry points */ |
Stephen Hemminger | 0402509 | 2008-11-21 17:28:55 -0800 | [diff] [blame] | 8048 | dev->netdev_ops = &s2io_netdev_ops; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8049 | SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops); |
raghavendra.koushik@neterion.com | be3a6b0 | 2005-08-03 12:35:55 -0700 | [diff] [blame] | 8050 | dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; |
Amerigo Wang | f0c54ac | 2010-08-25 00:23:39 +0000 | [diff] [blame] | 8051 | dev->features |= NETIF_F_LRO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8052 | dev->features |= NETIF_F_SG | NETIF_F_IP_CSUM; |
Tobias Klauser | f957bcf | 2009-06-04 23:07:59 +0000 | [diff] [blame] | 8053 | if (sp->high_dma_flag == true) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8054 | dev->features |= NETIF_F_HIGHDMA; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8055 | dev->features |= NETIF_F_TSO; |
Herbert Xu | f83ef8c | 2006-06-30 13:37:03 -0700 | [diff] [blame] | 8056 | dev->features |= NETIF_F_TSO6; |
Sivakumar Subramani | db874e6 | 2007-01-31 13:28:08 -0500 | [diff] [blame] | 8057 | if ((sp->device_type & XFRAME_II_DEVICE) && (ufo)) { |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 8058 | dev->features |= NETIF_F_UFO; |
| 8059 | dev->features |= NETIF_F_HW_CSUM; |
| 8060 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8061 | dev->watchdog_timeo = WATCH_DOG_TIMEOUT; |
David Howells | c402895 | 2006-11-22 14:57:56 +0000 | [diff] [blame] | 8062 | INIT_WORK(&sp->rst_timer_task, s2io_restart_nic); |
| 8063 | INIT_WORK(&sp->set_link_task, s2io_set_link); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8064 | |
ravinandan.arakali@neterion.com | e960fc5 | 2005-08-12 10:15:59 -0700 | [diff] [blame] | 8065 | pci_save_state(sp->pdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8066 | |
| 8067 | /* Setting swapper control on the NIC, for proper reset operation */ |
| 8068 | if (s2io_set_swapper(sp)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 8069 | DBG_PRINT(ERR_DBG, "%s: swapper settings are wrong\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8070 | dev->name); |
| 8071 | ret = -EAGAIN; |
| 8072 | goto set_swap_failed; |
| 8073 | } |
| 8074 | |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 8075 | /* Verify if the Herc works on the slot its placed into */ |
| 8076 | if (sp->device_type & XFRAME_II_DEVICE) { |
| 8077 | mode = s2io_verify_pci_mode(sp); |
| 8078 | if (mode < 0) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 8079 | DBG_PRINT(ERR_DBG, "%s: Unsupported PCI bus mode\n", |
| 8080 | __func__); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 8081 | ret = -EBADSLT; |
| 8082 | goto set_swap_failed; |
| 8083 | } |
| 8084 | } |
| 8085 | |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 8086 | if (sp->config.intr_type == MSI_X) { |
| 8087 | sp->num_entries = config->rx_ring_num + 1; |
| 8088 | ret = s2io_enable_msi_x(sp); |
| 8089 | |
| 8090 | if (!ret) { |
| 8091 | ret = s2io_test_msi(sp); |
| 8092 | /* rollback MSI-X, will re-enable during add_isr() */ |
| 8093 | remove_msix_isr(sp); |
| 8094 | } |
| 8095 | if (ret) { |
| 8096 | |
| 8097 | DBG_PRINT(ERR_DBG, |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 8098 | "MSI-X requested but failed to enable\n"); |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 8099 | sp->config.intr_type = INTA; |
| 8100 | } |
| 8101 | } |
| 8102 | |
| 8103 | if (config->intr_type == MSI_X) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 8104 | for (i = 0; i < config->rx_ring_num ; i++) { |
| 8105 | struct ring_info *ring = &mac_control->rings[i]; |
| 8106 | |
| 8107 | netif_napi_add(dev, &ring->napi, s2io_poll_msix, 64); |
| 8108 | } |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 8109 | } else { |
| 8110 | netif_napi_add(dev, &sp->napi, s2io_poll_inta, 64); |
| 8111 | } |
| 8112 | |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 8113 | /* Not needed for Herc */ |
| 8114 | if (sp->device_type & XFRAME_I_DEVICE) { |
| 8115 | /* |
| 8116 | * Fix for all "FFs" MAC address problems observed on |
| 8117 | * Alpha platforms |
| 8118 | */ |
| 8119 | fix_mac_address(sp); |
| 8120 | s2io_reset(sp); |
| 8121 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8122 | |
| 8123 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8124 | * MAC address initialization. |
| 8125 | * For now only one mac address will be read and used. |
| 8126 | */ |
| 8127 | bar0 = sp->bar0; |
| 8128 | val64 = RMAC_ADDR_CMD_MEM_RD | RMAC_ADDR_CMD_MEM_STROBE_NEW_CMD | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8129 | RMAC_ADDR_CMD_MEM_OFFSET(0 + S2IO_MAC_ADDR_START_OFFSET); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8130 | writeq(val64, &bar0->rmac_addr_cmd_mem); |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 8131 | wait_for_cmd_complete(&bar0->rmac_addr_cmd_mem, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8132 | RMAC_ADDR_CMD_MEM_STROBE_CMD_EXECUTING, |
| 8133 | S2IO_BIT_RESET); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8134 | tmp64 = readq(&bar0->rmac_addr_data0_mem); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8135 | mac_down = (u32)tmp64; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8136 | mac_up = (u32) (tmp64 >> 32); |
| 8137 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8138 | sp->def_mac_addr[0].mac_addr[3] = (u8) (mac_up); |
| 8139 | sp->def_mac_addr[0].mac_addr[2] = (u8) (mac_up >> 8); |
| 8140 | sp->def_mac_addr[0].mac_addr[1] = (u8) (mac_up >> 16); |
| 8141 | sp->def_mac_addr[0].mac_addr[0] = (u8) (mac_up >> 24); |
| 8142 | sp->def_mac_addr[0].mac_addr[5] = (u8) (mac_down >> 16); |
| 8143 | sp->def_mac_addr[0].mac_addr[4] = (u8) (mac_down >> 24); |
| 8144 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8145 | /* Set the factory defined MAC address initially */ |
| 8146 | dev->addr_len = ETH_ALEN; |
| 8147 | memcpy(dev->dev_addr, sp->def_mac_addr, ETH_ALEN); |
Sivakumar Subramani | 2fd3768 | 2007-09-14 07:39:19 -0400 | [diff] [blame] | 8148 | memcpy(dev->perm_addr, dev->dev_addr, ETH_ALEN); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8149 | |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 8150 | /* initialize number of multicast & unicast MAC entries variables */ |
| 8151 | if (sp->device_type == XFRAME_I_DEVICE) { |
| 8152 | config->max_mc_addr = S2IO_XENA_MAX_MC_ADDRESSES; |
| 8153 | config->max_mac_addr = S2IO_XENA_MAX_MAC_ADDRESSES; |
| 8154 | config->mc_start_offset = S2IO_XENA_MC_ADDR_START_OFFSET; |
| 8155 | } else if (sp->device_type == XFRAME_II_DEVICE) { |
| 8156 | config->max_mc_addr = S2IO_HERC_MAX_MC_ADDRESSES; |
| 8157 | config->max_mac_addr = S2IO_HERC_MAX_MAC_ADDRESSES; |
| 8158 | config->mc_start_offset = S2IO_HERC_MC_ADDR_START_OFFSET; |
| 8159 | } |
| 8160 | |
| 8161 | /* store mac addresses from CAM to s2io_nic structure */ |
| 8162 | do_s2io_store_unicast_mc(sp); |
| 8163 | |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 8164 | /* Configure MSIX vector for number of rings configured plus one */ |
| 8165 | if ((sp->device_type == XFRAME_II_DEVICE) && |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8166 | (config->intr_type == MSI_X)) |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 8167 | sp->num_entries = config->rx_ring_num + 1; |
| 8168 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8169 | /* Store the values of the MSIX table in the s2io_nic structure */ |
Sivakumar Subramani | c77dd43 | 2007-08-06 05:36:28 -0400 | [diff] [blame] | 8170 | store_xmsi_data(sp); |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 8171 | /* reset Nic and bring it to known state */ |
| 8172 | s2io_reset(sp); |
| 8173 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8174 | /* |
Sreenivasa Honnur | 99993af | 2008-04-23 13:29:42 -0400 | [diff] [blame] | 8175 | * Initialize link state flags |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 8176 | * and the card state parameter |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8177 | */ |
Sivakumar Subramani | 92b8443 | 2007-09-06 06:51:14 -0400 | [diff] [blame] | 8178 | sp->state = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8179 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8180 | /* Initialize spinlocks */ |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 8181 | for (i = 0; i < sp->config.tx_fifo_num; i++) { |
| 8182 | struct fifo_info *fifo = &mac_control->fifos[i]; |
| 8183 | |
| 8184 | spin_lock_init(&fifo->tx_lock); |
| 8185 | } |
Sivakumar Subramani | db874e6 | 2007-01-31 13:28:08 -0500 | [diff] [blame] | 8186 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 8187 | /* |
| 8188 | * SXE-002: Configure link and activity LED to init state |
| 8189 | * on driver load. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8190 | */ |
| 8191 | subid = sp->pdev->subsystem_device; |
| 8192 | if ((subid & 0xFF) >= 0x07) { |
| 8193 | val64 = readq(&bar0->gpio_control); |
| 8194 | val64 |= 0x0000800000000000ULL; |
| 8195 | writeq(val64, &bar0->gpio_control); |
| 8196 | val64 = 0x0411040400000000ULL; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8197 | writeq(val64, (void __iomem *)bar0 + 0x2700); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8198 | val64 = readq(&bar0->gpio_control); |
| 8199 | } |
| 8200 | |
| 8201 | sp->rx_csum = 1; /* Rx chksum verify enabled by default */ |
| 8202 | |
| 8203 | if (register_netdev(dev)) { |
| 8204 | DBG_PRINT(ERR_DBG, "Device registration failed\n"); |
| 8205 | ret = -ENODEV; |
| 8206 | goto register_failed; |
| 8207 | } |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 8208 | s2io_vpd_read(sp); |
Jon Mason | 926bd90 | 2010-07-15 08:47:26 +0000 | [diff] [blame] | 8209 | DBG_PRINT(ERR_DBG, "Copyright(c) 2002-2010 Exar Corp.\n"); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8210 | DBG_PRINT(ERR_DBG, "%s: Neterion %s (rev %d)\n", dev->name, |
Auke Kok | 44c1013 | 2007-06-08 15:46:36 -0700 | [diff] [blame] | 8211 | sp->product_name, pdev->revision); |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 8212 | DBG_PRINT(ERR_DBG, "%s: Driver version %s\n", dev->name, |
| 8213 | s2io_driver_version); |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 8214 | DBG_PRINT(ERR_DBG, "%s: MAC Address: %pM\n", dev->name, dev->dev_addr); |
| 8215 | DBG_PRINT(ERR_DBG, "Serial number: %s\n", sp->serial_num); |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 8216 | if (sp->device_type & XFRAME_II_DEVICE) { |
raghavendra.koushik@neterion.com | 0b1f7eb | 2005-08-03 12:39:56 -0700 | [diff] [blame] | 8217 | mode = s2io_print_pci_mode(sp); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 8218 | if (mode < 0) { |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 8219 | ret = -EBADSLT; |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 8220 | unregister_netdev(dev); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 8221 | goto set_swap_failed; |
| 8222 | } |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 8223 | } |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8224 | switch (sp->rxd_mode) { |
| 8225 | case RXD_MODE_1: |
| 8226 | DBG_PRINT(ERR_DBG, "%s: 1-Buffer receive mode enabled\n", |
| 8227 | dev->name); |
| 8228 | break; |
| 8229 | case RXD_MODE_3B: |
| 8230 | DBG_PRINT(ERR_DBG, "%s: 2-Buffer receive mode enabled\n", |
| 8231 | dev->name); |
| 8232 | break; |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 8233 | } |
Sivakumar Subramani | db874e6 | 2007-01-31 13:28:08 -0500 | [diff] [blame] | 8234 | |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 8235 | switch (sp->config.napi) { |
| 8236 | case 0: |
| 8237 | DBG_PRINT(ERR_DBG, "%s: NAPI disabled\n", dev->name); |
| 8238 | break; |
| 8239 | case 1: |
Sivakumar Subramani | db874e6 | 2007-01-31 13:28:08 -0500 | [diff] [blame] | 8240 | DBG_PRINT(ERR_DBG, "%s: NAPI enabled\n", dev->name); |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 8241 | break; |
| 8242 | } |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 8243 | |
| 8244 | DBG_PRINT(ERR_DBG, "%s: Using %d Tx fifo(s)\n", dev->name, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8245 | sp->config.tx_fifo_num); |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 8246 | |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 8247 | DBG_PRINT(ERR_DBG, "%s: Using %d Rx ring(s)\n", dev->name, |
| 8248 | sp->config.rx_ring_num); |
| 8249 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8250 | switch (sp->config.intr_type) { |
| 8251 | case INTA: |
| 8252 | DBG_PRINT(ERR_DBG, "%s: Interrupt type INTA\n", dev->name); |
| 8253 | break; |
| 8254 | case MSI_X: |
| 8255 | DBG_PRINT(ERR_DBG, "%s: Interrupt type MSI-X\n", dev->name); |
| 8256 | break; |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 8257 | } |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 8258 | if (sp->config.multiq) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 8259 | for (i = 0; i < sp->config.tx_fifo_num; i++) { |
| 8260 | struct fifo_info *fifo = &mac_control->fifos[i]; |
| 8261 | |
| 8262 | fifo->multiq = config->multiq; |
| 8263 | } |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 8264 | DBG_PRINT(ERR_DBG, "%s: Multiqueue support enabled\n", |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8265 | dev->name); |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 8266 | } else |
| 8267 | DBG_PRINT(ERR_DBG, "%s: Multiqueue support disabled\n", |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8268 | dev->name); |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 8269 | |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 8270 | switch (sp->config.tx_steering_type) { |
| 8271 | case NO_STEERING: |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8272 | DBG_PRINT(ERR_DBG, "%s: No steering enabled for transmit\n", |
| 8273 | dev->name); |
| 8274 | break; |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 8275 | case TX_PRIORITY_STEERING: |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8276 | DBG_PRINT(ERR_DBG, |
| 8277 | "%s: Priority steering enabled for transmit\n", |
| 8278 | dev->name); |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 8279 | break; |
| 8280 | case TX_DEFAULT_STEERING: |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8281 | DBG_PRINT(ERR_DBG, |
| 8282 | "%s: Default steering enabled for transmit\n", |
| 8283 | dev->name); |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 8284 | } |
| 8285 | |
Amerigo Wang | f0c54ac | 2010-08-25 00:23:39 +0000 | [diff] [blame] | 8286 | DBG_PRINT(ERR_DBG, "%s: Large receive offload enabled\n", |
| 8287 | dev->name); |
Sivakumar Subramani | db874e6 | 2007-01-31 13:28:08 -0500 | [diff] [blame] | 8288 | if (ufo) |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8289 | DBG_PRINT(ERR_DBG, |
| 8290 | "%s: UDP Fragmentation Offload(UFO) enabled\n", |
| 8291 | dev->name); |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 8292 | /* Initialize device name */ |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 8293 | sprintf(sp->name, "%s Neterion %s", dev->name, sp->product_name); |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 8294 | |
Breno Leitao | cd0fce0 | 2008-09-04 17:52:54 -0300 | [diff] [blame] | 8295 | if (vlan_tag_strip) |
| 8296 | sp->vlan_strip_flag = 1; |
| 8297 | else |
| 8298 | sp->vlan_strip_flag = 0; |
| 8299 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 8300 | /* |
| 8301 | * Make Link state as off at this point, when the Link change |
| 8302 | * interrupt comes the state will be automatically changed to |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8303 | * the right state. |
| 8304 | */ |
| 8305 | netif_carrier_off(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8306 | |
| 8307 | return 0; |
| 8308 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8309 | register_failed: |
| 8310 | set_swap_failed: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8311 | iounmap(sp->bar1); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8312 | bar1_remap_failed: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8313 | iounmap(sp->bar0); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8314 | bar0_remap_failed: |
| 8315 | mem_alloc_failed: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8316 | free_shared_mem(sp); |
| 8317 | pci_disable_device(pdev); |
Veena Parat | eccb862 | 2007-07-23 02:23:54 -0400 | [diff] [blame] | 8318 | pci_release_regions(pdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8319 | pci_set_drvdata(pdev, NULL); |
| 8320 | free_netdev(dev); |
| 8321 | |
| 8322 | return ret; |
| 8323 | } |
| 8324 | |
| 8325 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 8326 | * s2io_rem_nic - Free the PCI device |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8327 | * @pdev: structure containing the PCI related information of the device. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 8328 | * Description: This function is called by the Pci subsystem to release a |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8329 | * PCI device and free up all resource held up by the device. This could |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 8330 | * be in response to a Hot plug event or when the driver is to be removed |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8331 | * from memory. |
| 8332 | */ |
| 8333 | |
| 8334 | static void __devexit s2io_rem_nic(struct pci_dev *pdev) |
| 8335 | { |
Joe Perches | a31ff38 | 2010-11-15 10:13:57 +0000 | [diff] [blame] | 8336 | struct net_device *dev = pci_get_drvdata(pdev); |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 8337 | struct s2io_nic *sp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8338 | |
| 8339 | if (dev == NULL) { |
| 8340 | DBG_PRINT(ERR_DBG, "Driver Data is NULL!!\n"); |
| 8341 | return; |
| 8342 | } |
| 8343 | |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 8344 | sp = netdev_priv(dev); |
Tejun Heo | 23f333a | 2010-12-12 16:45:14 +0100 | [diff] [blame] | 8345 | |
| 8346 | cancel_work_sync(&sp->rst_timer_task); |
| 8347 | cancel_work_sync(&sp->set_link_task); |
| 8348 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8349 | unregister_netdev(dev); |
| 8350 | |
| 8351 | free_shared_mem(sp); |
| 8352 | iounmap(sp->bar0); |
| 8353 | iounmap(sp->bar1); |
Veena Parat | eccb862 | 2007-07-23 02:23:54 -0400 | [diff] [blame] | 8354 | pci_release_regions(pdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8355 | pci_set_drvdata(pdev, NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8356 | free_netdev(dev); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 8357 | pci_disable_device(pdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8358 | } |
| 8359 | |
| 8360 | /** |
| 8361 | * s2io_starter - Entry point for the driver |
| 8362 | * Description: This function is the entry point for the driver. It verifies |
| 8363 | * the module loadable parameters and initializes PCI configuration space. |
| 8364 | */ |
| 8365 | |
Stephen Hemminger | 43b7c45 | 2007-10-05 12:39:21 -0700 | [diff] [blame] | 8366 | static int __init s2io_starter(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8367 | { |
Jeff Garzik | 2991762 | 2006-08-19 17:48:59 -0400 | [diff] [blame] | 8368 | return pci_register_driver(&s2io_driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8369 | } |
| 8370 | |
| 8371 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 8372 | * s2io_closer - Cleanup routine for the driver |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8373 | * Description: This function is the cleanup routine for the driver. It unregist * ers the driver. |
| 8374 | */ |
| 8375 | |
Sivakumar Subramani | 372cc59 | 2007-01-31 13:32:57 -0500 | [diff] [blame] | 8376 | static __exit void s2io_closer(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8377 | { |
| 8378 | pci_unregister_driver(&s2io_driver); |
| 8379 | DBG_PRINT(INIT_DBG, "cleanup done\n"); |
| 8380 | } |
| 8381 | |
| 8382 | module_init(s2io_starter); |
| 8383 | module_exit(s2io_closer); |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8384 | |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 8385 | static int check_L2_lro_capable(u8 *buffer, struct iphdr **ip, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8386 | struct tcphdr **tcp, struct RxD_t *rxdp, |
| 8387 | struct s2io_nic *sp) |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8388 | { |
| 8389 | int ip_off; |
| 8390 | u8 l2_type = (u8)((rxdp->Control_1 >> 37) & 0x7), ip_len; |
| 8391 | |
| 8392 | if (!(rxdp->Control_1 & RXD_FRAME_PROTO_TCP)) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8393 | DBG_PRINT(INIT_DBG, |
| 8394 | "%s: Non-TCP frames not supported for LRO\n", |
Harvey Harrison | b39d66a | 2008-08-20 16:52:04 -0700 | [diff] [blame] | 8395 | __func__); |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8396 | return -1; |
| 8397 | } |
| 8398 | |
Sreenivasa Honnur | cdb5bf0 | 2008-02-20 17:09:15 -0500 | [diff] [blame] | 8399 | /* Checking for DIX type or DIX type with VLAN */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8400 | if ((l2_type == 0) || (l2_type == 4)) { |
Sreenivasa Honnur | cdb5bf0 | 2008-02-20 17:09:15 -0500 | [diff] [blame] | 8401 | ip_off = HEADER_ETHERNET_II_802_3_SIZE; |
| 8402 | /* |
| 8403 | * If vlan stripping is disabled and the frame is VLAN tagged, |
| 8404 | * shift the offset by the VLAN header size bytes. |
| 8405 | */ |
Breno Leitao | cd0fce0 | 2008-09-04 17:52:54 -0300 | [diff] [blame] | 8406 | if ((!sp->vlan_strip_flag) && |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8407 | (rxdp->Control_1 & RXD_FRAME_VLAN_TAG)) |
Sreenivasa Honnur | cdb5bf0 | 2008-02-20 17:09:15 -0500 | [diff] [blame] | 8408 | ip_off += HEADER_VLAN_SIZE; |
| 8409 | } else { |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8410 | /* LLC, SNAP etc are considered non-mergeable */ |
Sreenivasa Honnur | cdb5bf0 | 2008-02-20 17:09:15 -0500 | [diff] [blame] | 8411 | return -1; |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8412 | } |
| 8413 | |
| 8414 | *ip = (struct iphdr *)((u8 *)buffer + ip_off); |
| 8415 | ip_len = (u8)((*ip)->ihl); |
| 8416 | ip_len <<= 2; |
| 8417 | *tcp = (struct tcphdr *)((unsigned long)*ip + ip_len); |
| 8418 | |
| 8419 | return 0; |
| 8420 | } |
| 8421 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 8422 | static int check_for_socket_match(struct lro *lro, struct iphdr *ip, |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8423 | struct tcphdr *tcp) |
| 8424 | { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8425 | DBG_PRINT(INFO_DBG, "%s: Been here...\n", __func__); |
| 8426 | if ((lro->iph->saddr != ip->saddr) || |
| 8427 | (lro->iph->daddr != ip->daddr) || |
| 8428 | (lro->tcph->source != tcp->source) || |
| 8429 | (lro->tcph->dest != tcp->dest)) |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8430 | return -1; |
| 8431 | return 0; |
| 8432 | } |
| 8433 | |
| 8434 | static inline int get_l4_pyld_length(struct iphdr *ip, struct tcphdr *tcp) |
| 8435 | { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8436 | return ntohs(ip->tot_len) - (ip->ihl << 2) - (tcp->doff << 2); |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8437 | } |
| 8438 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 8439 | static void initiate_new_session(struct lro *lro, u8 *l2h, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8440 | struct iphdr *ip, struct tcphdr *tcp, |
| 8441 | u32 tcp_pyld_len, u16 vlan_tag) |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8442 | { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8443 | DBG_PRINT(INFO_DBG, "%s: Been here...\n", __func__); |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8444 | lro->l2h = l2h; |
| 8445 | lro->iph = ip; |
| 8446 | lro->tcph = tcp; |
| 8447 | lro->tcp_next_seq = tcp_pyld_len + ntohl(tcp->seq); |
Surjit Reang | c885595 | 2008-02-03 04:27:38 -0800 | [diff] [blame] | 8448 | lro->tcp_ack = tcp->ack_seq; |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8449 | lro->sg_num = 1; |
| 8450 | lro->total_len = ntohs(ip->tot_len); |
| 8451 | lro->frags_len = 0; |
Sreenivasa Honnur | cdb5bf0 | 2008-02-20 17:09:15 -0500 | [diff] [blame] | 8452 | lro->vlan_tag = vlan_tag; |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 8453 | /* |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8454 | * Check if we saw TCP timestamp. |
| 8455 | * Other consistency checks have already been done. |
| 8456 | */ |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8457 | if (tcp->doff == 8) { |
Surjit Reang | c885595 | 2008-02-03 04:27:38 -0800 | [diff] [blame] | 8458 | __be32 *ptr; |
| 8459 | ptr = (__be32 *)(tcp+1); |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8460 | lro->saw_ts = 1; |
Surjit Reang | c885595 | 2008-02-03 04:27:38 -0800 | [diff] [blame] | 8461 | lro->cur_tsval = ntohl(*(ptr+1)); |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8462 | lro->cur_tsecr = *(ptr+2); |
| 8463 | } |
| 8464 | lro->in_use = 1; |
| 8465 | } |
| 8466 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 8467 | static void update_L3L4_header(struct s2io_nic *sp, struct lro *lro) |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8468 | { |
| 8469 | struct iphdr *ip = lro->iph; |
| 8470 | struct tcphdr *tcp = lro->tcph; |
Al Viro | bd4f3ae | 2007-02-09 16:40:15 +0000 | [diff] [blame] | 8471 | __sum16 nchk; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 8472 | struct swStat *swstats = &sp->mac_control.stats_info->sw_stat; |
| 8473 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8474 | DBG_PRINT(INFO_DBG, "%s: Been here...\n", __func__); |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8475 | |
| 8476 | /* Update L3 header */ |
| 8477 | ip->tot_len = htons(lro->total_len); |
| 8478 | ip->check = 0; |
| 8479 | nchk = ip_fast_csum((u8 *)lro->iph, ip->ihl); |
| 8480 | ip->check = nchk; |
| 8481 | |
| 8482 | /* Update L4 header */ |
| 8483 | tcp->ack_seq = lro->tcp_ack; |
| 8484 | tcp->window = lro->window; |
| 8485 | |
| 8486 | /* Update tsecr field if this session has timestamps enabled */ |
| 8487 | if (lro->saw_ts) { |
Surjit Reang | c885595 | 2008-02-03 04:27:38 -0800 | [diff] [blame] | 8488 | __be32 *ptr = (__be32 *)(tcp + 1); |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8489 | *(ptr+2) = lro->cur_tsecr; |
| 8490 | } |
| 8491 | |
| 8492 | /* Update counters required for calculation of |
| 8493 | * average no. of packets aggregated. |
| 8494 | */ |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 8495 | swstats->sum_avg_pkts_aggregated += lro->sg_num; |
| 8496 | swstats->num_aggregations++; |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8497 | } |
| 8498 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 8499 | static void aggregate_new_rx(struct lro *lro, struct iphdr *ip, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8500 | struct tcphdr *tcp, u32 l4_pyld) |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8501 | { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8502 | DBG_PRINT(INFO_DBG, "%s: Been here...\n", __func__); |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8503 | lro->total_len += l4_pyld; |
| 8504 | lro->frags_len += l4_pyld; |
| 8505 | lro->tcp_next_seq += l4_pyld; |
| 8506 | lro->sg_num++; |
| 8507 | |
| 8508 | /* Update ack seq no. and window ad(from this pkt) in LRO object */ |
| 8509 | lro->tcp_ack = tcp->ack_seq; |
| 8510 | lro->window = tcp->window; |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 8511 | |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8512 | if (lro->saw_ts) { |
Surjit Reang | c885595 | 2008-02-03 04:27:38 -0800 | [diff] [blame] | 8513 | __be32 *ptr; |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8514 | /* Update tsecr and tsval from this packet */ |
Surjit Reang | c885595 | 2008-02-03 04:27:38 -0800 | [diff] [blame] | 8515 | ptr = (__be32 *)(tcp+1); |
| 8516 | lro->cur_tsval = ntohl(*(ptr+1)); |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8517 | lro->cur_tsecr = *(ptr + 2); |
| 8518 | } |
| 8519 | } |
| 8520 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 8521 | static int verify_l3_l4_lro_capable(struct lro *l_lro, struct iphdr *ip, |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8522 | struct tcphdr *tcp, u32 tcp_pyld_len) |
| 8523 | { |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8524 | u8 *ptr; |
| 8525 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8526 | DBG_PRINT(INFO_DBG, "%s: Been here...\n", __func__); |
Andrew Morton | 79dc190 | 2006-02-03 01:45:13 -0800 | [diff] [blame] | 8527 | |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8528 | if (!tcp_pyld_len) { |
| 8529 | /* Runt frame or a pure ack */ |
| 8530 | return -1; |
| 8531 | } |
| 8532 | |
| 8533 | if (ip->ihl != 5) /* IP has options */ |
| 8534 | return -1; |
| 8535 | |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 8536 | /* If we see CE codepoint in IP header, packet is not mergeable */ |
| 8537 | if (INET_ECN_is_ce(ipv4_get_dsfield(ip))) |
| 8538 | return -1; |
| 8539 | |
| 8540 | /* If we see ECE or CWR flags in TCP header, packet is not mergeable */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8541 | if (tcp->urg || tcp->psh || tcp->rst || |
| 8542 | tcp->syn || tcp->fin || |
| 8543 | tcp->ece || tcp->cwr || !tcp->ack) { |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8544 | /* |
| 8545 | * Currently recognize only the ack control word and |
| 8546 | * any other control field being set would result in |
| 8547 | * flushing the LRO session |
| 8548 | */ |
| 8549 | return -1; |
| 8550 | } |
| 8551 | |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 8552 | /* |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8553 | * Allow only one TCP timestamp option. Don't aggregate if |
| 8554 | * any other options are detected. |
| 8555 | */ |
| 8556 | if (tcp->doff != 5 && tcp->doff != 8) |
| 8557 | return -1; |
| 8558 | |
| 8559 | if (tcp->doff == 8) { |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 8560 | ptr = (u8 *)(tcp + 1); |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8561 | while (*ptr == TCPOPT_NOP) |
| 8562 | ptr++; |
| 8563 | if (*ptr != TCPOPT_TIMESTAMP || *(ptr+1) != TCPOLEN_TIMESTAMP) |
| 8564 | return -1; |
| 8565 | |
| 8566 | /* Ensure timestamp value increases monotonically */ |
| 8567 | if (l_lro) |
Surjit Reang | c885595 | 2008-02-03 04:27:38 -0800 | [diff] [blame] | 8568 | if (l_lro->cur_tsval > ntohl(*((__be32 *)(ptr+2)))) |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8569 | return -1; |
| 8570 | |
| 8571 | /* timestamp echo reply should be non-zero */ |
Surjit Reang | c885595 | 2008-02-03 04:27:38 -0800 | [diff] [blame] | 8572 | if (*((__be32 *)(ptr+6)) == 0) |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8573 | return -1; |
| 8574 | } |
| 8575 | |
| 8576 | return 0; |
| 8577 | } |
| 8578 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8579 | static int s2io_club_tcp_session(struct ring_info *ring_data, u8 *buffer, |
| 8580 | u8 **tcp, u32 *tcp_len, struct lro **lro, |
| 8581 | struct RxD_t *rxdp, struct s2io_nic *sp) |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8582 | { |
| 8583 | struct iphdr *ip; |
| 8584 | struct tcphdr *tcph; |
| 8585 | int ret = 0, i; |
Sreenivasa Honnur | cdb5bf0 | 2008-02-20 17:09:15 -0500 | [diff] [blame] | 8586 | u16 vlan_tag = 0; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 8587 | struct swStat *swstats = &sp->mac_control.stats_info->sw_stat; |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8588 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8589 | ret = check_L2_lro_capable(buffer, &ip, (struct tcphdr **)tcp, |
| 8590 | rxdp, sp); |
| 8591 | if (ret) |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8592 | return ret; |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8593 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8594 | DBG_PRINT(INFO_DBG, "IP Saddr: %x Daddr: %x\n", ip->saddr, ip->daddr); |
| 8595 | |
Sreenivasa Honnur | cdb5bf0 | 2008-02-20 17:09:15 -0500 | [diff] [blame] | 8596 | vlan_tag = RXD_GET_VLAN_TAG(rxdp->Control_2); |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8597 | tcph = (struct tcphdr *)*tcp; |
| 8598 | *tcp_len = get_l4_pyld_length(ip, tcph); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8599 | for (i = 0; i < MAX_LRO_SESSIONS; i++) { |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 8600 | struct lro *l_lro = &ring_data->lro0_n[i]; |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8601 | if (l_lro->in_use) { |
| 8602 | if (check_for_socket_match(l_lro, ip, tcph)) |
| 8603 | continue; |
| 8604 | /* Sock pair matched */ |
| 8605 | *lro = l_lro; |
| 8606 | |
| 8607 | if ((*lro)->tcp_next_seq != ntohl(tcph->seq)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 8608 | DBG_PRINT(INFO_DBG, "%s: Out of sequence. " |
| 8609 | "expected 0x%x, actual 0x%x\n", |
| 8610 | __func__, |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8611 | (*lro)->tcp_next_seq, |
| 8612 | ntohl(tcph->seq)); |
| 8613 | |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 8614 | swstats->outof_sequence_pkts++; |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8615 | ret = 2; |
| 8616 | break; |
| 8617 | } |
| 8618 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8619 | if (!verify_l3_l4_lro_capable(l_lro, ip, tcph, |
| 8620 | *tcp_len)) |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8621 | ret = 1; /* Aggregate */ |
| 8622 | else |
| 8623 | ret = 2; /* Flush both */ |
| 8624 | break; |
| 8625 | } |
| 8626 | } |
| 8627 | |
| 8628 | if (ret == 0) { |
| 8629 | /* Before searching for available LRO objects, |
| 8630 | * check if the pkt is L3/L4 aggregatable. If not |
| 8631 | * don't create new LRO session. Just send this |
| 8632 | * packet up. |
| 8633 | */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8634 | if (verify_l3_l4_lro_capable(NULL, ip, tcph, *tcp_len)) |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8635 | return 5; |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8636 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8637 | for (i = 0; i < MAX_LRO_SESSIONS; i++) { |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 8638 | struct lro *l_lro = &ring_data->lro0_n[i]; |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8639 | if (!(l_lro->in_use)) { |
| 8640 | *lro = l_lro; |
| 8641 | ret = 3; /* Begin anew */ |
| 8642 | break; |
| 8643 | } |
| 8644 | } |
| 8645 | } |
| 8646 | |
| 8647 | if (ret == 0) { /* sessions exceeded */ |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 8648 | DBG_PRINT(INFO_DBG, "%s: All LRO sessions already in use\n", |
Harvey Harrison | b39d66a | 2008-08-20 16:52:04 -0700 | [diff] [blame] | 8649 | __func__); |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8650 | *lro = NULL; |
| 8651 | return ret; |
| 8652 | } |
| 8653 | |
| 8654 | switch (ret) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8655 | case 3: |
| 8656 | initiate_new_session(*lro, buffer, ip, tcph, *tcp_len, |
| 8657 | vlan_tag); |
| 8658 | break; |
| 8659 | case 2: |
| 8660 | update_L3L4_header(sp, *lro); |
| 8661 | break; |
| 8662 | case 1: |
| 8663 | aggregate_new_rx(*lro, ip, tcph, *tcp_len); |
| 8664 | if ((*lro)->sg_num == sp->lro_max_aggr_per_sess) { |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8665 | update_L3L4_header(sp, *lro); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8666 | ret = 4; /* Flush the LRO */ |
| 8667 | } |
| 8668 | break; |
| 8669 | default: |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 8670 | DBG_PRINT(ERR_DBG, "%s: Don't know, can't say!!\n", __func__); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8671 | break; |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8672 | } |
| 8673 | |
| 8674 | return ret; |
| 8675 | } |
| 8676 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 8677 | static void clear_lro_session(struct lro *lro) |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8678 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 8679 | static u16 lro_struct_size = sizeof(struct lro); |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8680 | |
| 8681 | memset(lro, 0, lro_struct_size); |
| 8682 | } |
| 8683 | |
Sreenivasa Honnur | cdb5bf0 | 2008-02-20 17:09:15 -0500 | [diff] [blame] | 8684 | static void queue_rx_frame(struct sk_buff *skb, u16 vlan_tag) |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8685 | { |
| 8686 | struct net_device *dev = skb->dev; |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 8687 | struct s2io_nic *sp = netdev_priv(dev); |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8688 | |
| 8689 | skb->protocol = eth_type_trans(skb, dev); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8690 | if (sp->vlgrp && vlan_tag && (sp->vlan_strip_flag)) { |
Sreenivasa Honnur | cdb5bf0 | 2008-02-20 17:09:15 -0500 | [diff] [blame] | 8691 | /* Queueing the vlan frame to the upper layer */ |
| 8692 | if (sp->config.napi) |
| 8693 | vlan_hwaccel_receive_skb(skb, sp->vlgrp, vlan_tag); |
| 8694 | else |
| 8695 | vlan_hwaccel_rx(skb, sp->vlgrp, vlan_tag); |
| 8696 | } else { |
| 8697 | if (sp->config.napi) |
| 8698 | netif_receive_skb(skb); |
| 8699 | else |
| 8700 | netif_rx(skb); |
| 8701 | } |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8702 | } |
| 8703 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 8704 | static void lro_append_pkt(struct s2io_nic *sp, struct lro *lro, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8705 | struct sk_buff *skb, u32 tcp_len) |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8706 | { |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 8707 | struct sk_buff *first = lro->parent; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 8708 | struct swStat *swstats = &sp->mac_control.stats_info->sw_stat; |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8709 | |
| 8710 | first->len += tcp_len; |
| 8711 | first->data_len = lro->frags_len; |
| 8712 | skb_pull(skb, (skb->len - tcp_len)); |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 8713 | if (skb_shinfo(first)->frag_list) |
| 8714 | lro->last_frag->next = skb; |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8715 | else |
| 8716 | skb_shinfo(first)->frag_list = skb; |
Sivakumar Subramani | 372cc59 | 2007-01-31 13:32:57 -0500 | [diff] [blame] | 8717 | first->truesize += skb->truesize; |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 8718 | lro->last_frag = skb; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 8719 | swstats->clubbed_frms_cnt++; |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8720 | } |
Linas Vepstas | d796fdb | 2007-05-14 18:37:30 -0500 | [diff] [blame] | 8721 | |
| 8722 | /** |
| 8723 | * s2io_io_error_detected - called when PCI error is detected |
| 8724 | * @pdev: Pointer to PCI device |
Rolf Eike Beer | 8453d43 | 2007-07-10 11:58:02 +0200 | [diff] [blame] | 8725 | * @state: The current pci connection state |
Linas Vepstas | d796fdb | 2007-05-14 18:37:30 -0500 | [diff] [blame] | 8726 | * |
| 8727 | * This function is called after a PCI bus error affecting |
| 8728 | * this device has been detected. |
| 8729 | */ |
| 8730 | static pci_ers_result_t s2io_io_error_detected(struct pci_dev *pdev, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8731 | pci_channel_state_t state) |
Linas Vepstas | d796fdb | 2007-05-14 18:37:30 -0500 | [diff] [blame] | 8732 | { |
| 8733 | struct net_device *netdev = pci_get_drvdata(pdev); |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 8734 | struct s2io_nic *sp = netdev_priv(netdev); |
Linas Vepstas | d796fdb | 2007-05-14 18:37:30 -0500 | [diff] [blame] | 8735 | |
| 8736 | netif_device_detach(netdev); |
| 8737 | |
Dean Nelson | 1e3c8bd | 2009-07-31 09:13:56 +0000 | [diff] [blame] | 8738 | if (state == pci_channel_io_perm_failure) |
| 8739 | return PCI_ERS_RESULT_DISCONNECT; |
| 8740 | |
Linas Vepstas | d796fdb | 2007-05-14 18:37:30 -0500 | [diff] [blame] | 8741 | if (netif_running(netdev)) { |
| 8742 | /* Bring down the card, while avoiding PCI I/O */ |
| 8743 | do_s2io_card_down(sp, 0); |
Linas Vepstas | d796fdb | 2007-05-14 18:37:30 -0500 | [diff] [blame] | 8744 | } |
| 8745 | pci_disable_device(pdev); |
| 8746 | |
| 8747 | return PCI_ERS_RESULT_NEED_RESET; |
| 8748 | } |
| 8749 | |
| 8750 | /** |
| 8751 | * s2io_io_slot_reset - called after the pci bus has been reset. |
| 8752 | * @pdev: Pointer to PCI device |
| 8753 | * |
| 8754 | * Restart the card from scratch, as if from a cold-boot. |
| 8755 | * At this point, the card has exprienced a hard reset, |
| 8756 | * followed by fixups by BIOS, and has its config space |
| 8757 | * set up identically to what it was at cold boot. |
| 8758 | */ |
| 8759 | static pci_ers_result_t s2io_io_slot_reset(struct pci_dev *pdev) |
| 8760 | { |
| 8761 | struct net_device *netdev = pci_get_drvdata(pdev); |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 8762 | struct s2io_nic *sp = netdev_priv(netdev); |
Linas Vepstas | d796fdb | 2007-05-14 18:37:30 -0500 | [diff] [blame] | 8763 | |
| 8764 | if (pci_enable_device(pdev)) { |
Joe Perches | 6cef2b8e | 2009-08-24 17:29:45 +0000 | [diff] [blame] | 8765 | pr_err("Cannot re-enable PCI device after reset.\n"); |
Linas Vepstas | d796fdb | 2007-05-14 18:37:30 -0500 | [diff] [blame] | 8766 | return PCI_ERS_RESULT_DISCONNECT; |
| 8767 | } |
| 8768 | |
| 8769 | pci_set_master(pdev); |
| 8770 | s2io_reset(sp); |
| 8771 | |
| 8772 | return PCI_ERS_RESULT_RECOVERED; |
| 8773 | } |
| 8774 | |
| 8775 | /** |
| 8776 | * s2io_io_resume - called when traffic can start flowing again. |
| 8777 | * @pdev: Pointer to PCI device |
| 8778 | * |
| 8779 | * This callback is called when the error recovery driver tells |
| 8780 | * us that its OK to resume normal operation. |
| 8781 | */ |
| 8782 | static void s2io_io_resume(struct pci_dev *pdev) |
| 8783 | { |
| 8784 | struct net_device *netdev = pci_get_drvdata(pdev); |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 8785 | struct s2io_nic *sp = netdev_priv(netdev); |
Linas Vepstas | d796fdb | 2007-05-14 18:37:30 -0500 | [diff] [blame] | 8786 | |
| 8787 | if (netif_running(netdev)) { |
| 8788 | if (s2io_card_up(sp)) { |
Joe Perches | 6cef2b8e | 2009-08-24 17:29:45 +0000 | [diff] [blame] | 8789 | pr_err("Can't bring device back up after reset.\n"); |
Linas Vepstas | d796fdb | 2007-05-14 18:37:30 -0500 | [diff] [blame] | 8790 | return; |
| 8791 | } |
| 8792 | |
| 8793 | if (s2io_set_mac_addr(netdev, netdev->dev_addr) == FAILURE) { |
| 8794 | s2io_card_down(sp); |
Joe Perches | 6cef2b8e | 2009-08-24 17:29:45 +0000 | [diff] [blame] | 8795 | pr_err("Can't restore mac addr after reset.\n"); |
Linas Vepstas | d796fdb | 2007-05-14 18:37:30 -0500 | [diff] [blame] | 8796 | return; |
| 8797 | } |
| 8798 | } |
| 8799 | |
| 8800 | netif_device_attach(netdev); |
David S. Miller | fd2ea0a | 2008-07-17 01:56:23 -0700 | [diff] [blame] | 8801 | netif_tx_wake_all_queues(netdev); |
Linas Vepstas | d796fdb | 2007-05-14 18:37:30 -0500 | [diff] [blame] | 8802 | } |