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 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3 | * Copyright(c) 2002-2005 Neterion Inc. |
| 4 | |
| 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 |
| 28 | * explaination 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 |
| 35 | * values are 1, 2 and 3. |
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), |
| 40 | * 1(MSI), 2(MSI_X). Default value is '0(INTA)' |
| 41 | * lro: Specifies whether to enable Large Receive Offload (LRO) or not. |
| 42 | * Possible values '1' for enable '0' for disable. Default is '0' |
| 43 | * lro_max_pkts: This parameter defines maximum number of packets can be |
| 44 | * aggregated as a single large packet |
Sivakumar Subramani | 926930b | 2007-02-24 01:59:39 -0500 | [diff] [blame] | 45 | * napi: This parameter used to enable/disable NAPI (polling Rx) |
| 46 | * Possible values '1' for enable and '0' for disable. Default is '1' |
| 47 | * ufo: This parameter used to enable/disable UDP Fragmentation Offload(UFO) |
| 48 | * Possible values '1' for enable and '0' for disable. Default is '0' |
| 49 | * vlan_tag_strip: This can be used to enable or disable vlan stripping. |
| 50 | * Possible values '1' for enable , '0' for disable. |
| 51 | * Default is '2' - which means disable in promisc mode |
| 52 | * and enable in non-promiscuous mode. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 53 | ************************************************************************/ |
| 54 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 55 | #include <linux/module.h> |
| 56 | #include <linux/types.h> |
| 57 | #include <linux/errno.h> |
| 58 | #include <linux/ioport.h> |
| 59 | #include <linux/pci.h> |
Domen Puncer | 1e7f0bd | 2005-06-26 18:22:14 -0400 | [diff] [blame] | 60 | #include <linux/dma-mapping.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 61 | #include <linux/kernel.h> |
| 62 | #include <linux/netdevice.h> |
| 63 | #include <linux/etherdevice.h> |
| 64 | #include <linux/skbuff.h> |
| 65 | #include <linux/init.h> |
| 66 | #include <linux/delay.h> |
| 67 | #include <linux/stddef.h> |
| 68 | #include <linux/ioctl.h> |
| 69 | #include <linux/timex.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 70 | #include <linux/ethtool.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 71 | #include <linux/workqueue.h> |
raghavendra.koushik@neterion.com | be3a6b0 | 2005-08-03 12:35:55 -0700 | [diff] [blame] | 72 | #include <linux/if_vlan.h> |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 73 | #include <linux/ip.h> |
| 74 | #include <linux/tcp.h> |
| 75 | #include <net/tcp.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 76 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 77 | #include <asm/system.h> |
| 78 | #include <asm/uaccess.h> |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 79 | #include <asm/io.h> |
Andrew Morton | fe93139 | 2006-02-03 01:45:12 -0800 | [diff] [blame] | 80 | #include <asm/div64.h> |
Andrew Morton | 330ce0d | 2006-08-14 23:00:14 -0700 | [diff] [blame] | 81 | #include <asm/irq.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 82 | |
| 83 | /* local include */ |
| 84 | #include "s2io.h" |
| 85 | #include "s2io-regs.h" |
| 86 | |
Sivakumar Subramani | d8d70ca | 2007-02-24 02:04:24 -0500 | [diff] [blame] | 87 | #define DRV_VERSION "2.0.17.1" |
John Linville | 6c1792f | 2005-10-04 07:51:45 -0400 | [diff] [blame] | 88 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 89 | /* S2io Driver name & version. */ |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 90 | static char s2io_driver_name[] = "Neterion"; |
John Linville | 6c1792f | 2005-10-04 07:51:45 -0400 | [diff] [blame] | 91 | static char s2io_driver_version[] = DRV_VERSION; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 92 | |
Adrian Bunk | 26df54b | 2006-01-14 03:09:40 +0100 | [diff] [blame] | 93 | static int rxd_size[4] = {32,48,48,64}; |
| 94 | static int rxd_count[4] = {127,85,85,63}; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 95 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 96 | static inline int RXD_IS_UP2DT(struct RxD_t *rxdp) |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 97 | { |
| 98 | int ret; |
| 99 | |
| 100 | ret = ((!(rxdp->Control_1 & RXD_OWN_XENA)) && |
| 101 | (GET_RXD_MARKER(rxdp->Control_2) != THE_RXD_MARK)); |
| 102 | |
| 103 | return ret; |
| 104 | } |
| 105 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 106 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 107 | * Cards with following subsystem_id have a link state indication |
| 108 | * problem, 600B, 600C, 600D, 640B, 640C and 640D. |
| 109 | * macro below identifies these cards given the subsystem_id. |
| 110 | */ |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 111 | #define CARDS_WITH_FAULTY_LINK_INDICATORS(dev_type, subid) \ |
| 112 | (dev_type == XFRAME_I_DEVICE) ? \ |
| 113 | ((((subid >= 0x600B) && (subid <= 0x600D)) || \ |
| 114 | ((subid >= 0x640B) && (subid <= 0x640D))) ? 1 : 0) : 0 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 115 | |
| 116 | #define LINK_IS_UP(val64) (!(val64 & (ADAPTER_STATUS_RMAC_REMOTE_FAULT | \ |
| 117 | ADAPTER_STATUS_RMAC_LOCAL_FAULT))) |
| 118 | #define TASKLET_IN_USE test_and_set_bit(0, (&sp->tasklet_status)) |
| 119 | #define PANIC 1 |
| 120 | #define LOW 2 |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 121 | static inline int rx_buffer_level(struct s2io_nic * sp, int rxb_size, int ring) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 122 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 123 | struct mac_info *mac_control; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 124 | |
| 125 | mac_control = &sp->mac_control; |
Ananda Raju | 863c11a | 2006-04-21 19:03:13 -0400 | [diff] [blame] | 126 | if (rxb_size <= rxd_count[sp->rxd_mode]) |
| 127 | return PANIC; |
| 128 | else if ((mac_control->rings[ring].pkt_cnt - rxb_size) > 16) |
| 129 | return LOW; |
| 130 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 131 | } |
| 132 | |
| 133 | /* Ethtool related variables and Macros. */ |
| 134 | static char s2io_gstrings[][ETH_GSTRING_LEN] = { |
| 135 | "Register test\t(offline)", |
| 136 | "Eeprom test\t(offline)", |
| 137 | "Link test\t(online)", |
| 138 | "RLDRAM test\t(offline)", |
| 139 | "BIST Test\t(offline)" |
| 140 | }; |
| 141 | |
Sivakumar Subramani | fa1f0cb | 2007-02-24 02:03:22 -0500 | [diff] [blame] | 142 | static char ethtool_xena_stats_keys[][ETH_GSTRING_LEN] = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 143 | {"tmac_frms"}, |
| 144 | {"tmac_data_octets"}, |
| 145 | {"tmac_drop_frms"}, |
| 146 | {"tmac_mcst_frms"}, |
| 147 | {"tmac_bcst_frms"}, |
| 148 | {"tmac_pause_ctrl_frms"}, |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 149 | {"tmac_ttl_octets"}, |
| 150 | {"tmac_ucst_frms"}, |
| 151 | {"tmac_nucst_frms"}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 152 | {"tmac_any_err_frms"}, |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 153 | {"tmac_ttl_less_fb_octets"}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 154 | {"tmac_vld_ip_octets"}, |
| 155 | {"tmac_vld_ip"}, |
| 156 | {"tmac_drop_ip"}, |
| 157 | {"tmac_icmp"}, |
| 158 | {"tmac_rst_tcp"}, |
| 159 | {"tmac_tcp"}, |
| 160 | {"tmac_udp"}, |
| 161 | {"rmac_vld_frms"}, |
| 162 | {"rmac_data_octets"}, |
| 163 | {"rmac_fcs_err_frms"}, |
| 164 | {"rmac_drop_frms"}, |
| 165 | {"rmac_vld_mcst_frms"}, |
| 166 | {"rmac_vld_bcst_frms"}, |
| 167 | {"rmac_in_rng_len_err_frms"}, |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 168 | {"rmac_out_rng_len_err_frms"}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 169 | {"rmac_long_frms"}, |
| 170 | {"rmac_pause_ctrl_frms"}, |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 171 | {"rmac_unsup_ctrl_frms"}, |
| 172 | {"rmac_ttl_octets"}, |
| 173 | {"rmac_accepted_ucst_frms"}, |
| 174 | {"rmac_accepted_nucst_frms"}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 175 | {"rmac_discarded_frms"}, |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 176 | {"rmac_drop_events"}, |
| 177 | {"rmac_ttl_less_fb_octets"}, |
| 178 | {"rmac_ttl_frms"}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 179 | {"rmac_usized_frms"}, |
| 180 | {"rmac_osized_frms"}, |
| 181 | {"rmac_frag_frms"}, |
| 182 | {"rmac_jabber_frms"}, |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 183 | {"rmac_ttl_64_frms"}, |
| 184 | {"rmac_ttl_65_127_frms"}, |
| 185 | {"rmac_ttl_128_255_frms"}, |
| 186 | {"rmac_ttl_256_511_frms"}, |
| 187 | {"rmac_ttl_512_1023_frms"}, |
| 188 | {"rmac_ttl_1024_1518_frms"}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 189 | {"rmac_ip"}, |
| 190 | {"rmac_ip_octets"}, |
| 191 | {"rmac_hdr_err_ip"}, |
| 192 | {"rmac_drop_ip"}, |
| 193 | {"rmac_icmp"}, |
| 194 | {"rmac_tcp"}, |
| 195 | {"rmac_udp"}, |
| 196 | {"rmac_err_drp_udp"}, |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 197 | {"rmac_xgmii_err_sym"}, |
| 198 | {"rmac_frms_q0"}, |
| 199 | {"rmac_frms_q1"}, |
| 200 | {"rmac_frms_q2"}, |
| 201 | {"rmac_frms_q3"}, |
| 202 | {"rmac_frms_q4"}, |
| 203 | {"rmac_frms_q5"}, |
| 204 | {"rmac_frms_q6"}, |
| 205 | {"rmac_frms_q7"}, |
| 206 | {"rmac_full_q0"}, |
| 207 | {"rmac_full_q1"}, |
| 208 | {"rmac_full_q2"}, |
| 209 | {"rmac_full_q3"}, |
| 210 | {"rmac_full_q4"}, |
| 211 | {"rmac_full_q5"}, |
| 212 | {"rmac_full_q6"}, |
| 213 | {"rmac_full_q7"}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 214 | {"rmac_pause_cnt"}, |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 215 | {"rmac_xgmii_data_err_cnt"}, |
| 216 | {"rmac_xgmii_ctrl_err_cnt"}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 217 | {"rmac_accepted_ip"}, |
| 218 | {"rmac_err_tcp"}, |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 219 | {"rd_req_cnt"}, |
| 220 | {"new_rd_req_cnt"}, |
| 221 | {"new_rd_req_rtry_cnt"}, |
| 222 | {"rd_rtry_cnt"}, |
| 223 | {"wr_rtry_rd_ack_cnt"}, |
| 224 | {"wr_req_cnt"}, |
| 225 | {"new_wr_req_cnt"}, |
| 226 | {"new_wr_req_rtry_cnt"}, |
| 227 | {"wr_rtry_cnt"}, |
| 228 | {"wr_disc_cnt"}, |
| 229 | {"rd_rtry_wr_ack_cnt"}, |
| 230 | {"txp_wr_cnt"}, |
| 231 | {"txd_rd_cnt"}, |
| 232 | {"txd_wr_cnt"}, |
| 233 | {"rxd_rd_cnt"}, |
| 234 | {"rxd_wr_cnt"}, |
| 235 | {"txf_rd_cnt"}, |
Sivakumar Subramani | fa1f0cb | 2007-02-24 02:03:22 -0500 | [diff] [blame] | 236 | {"rxf_wr_cnt"} |
| 237 | }; |
| 238 | |
| 239 | static char ethtool_enhanced_stats_keys[][ETH_GSTRING_LEN] = { |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 240 | {"rmac_ttl_1519_4095_frms"}, |
| 241 | {"rmac_ttl_4096_8191_frms"}, |
| 242 | {"rmac_ttl_8192_max_frms"}, |
| 243 | {"rmac_ttl_gt_max_frms"}, |
| 244 | {"rmac_osized_alt_frms"}, |
| 245 | {"rmac_jabber_alt_frms"}, |
| 246 | {"rmac_gt_max_alt_frms"}, |
| 247 | {"rmac_vlan_frms"}, |
| 248 | {"rmac_len_discard"}, |
| 249 | {"rmac_fcs_discard"}, |
| 250 | {"rmac_pf_discard"}, |
| 251 | {"rmac_da_discard"}, |
| 252 | {"rmac_red_discard"}, |
| 253 | {"rmac_rts_discard"}, |
| 254 | {"rmac_ingm_full_discard"}, |
Sivakumar Subramani | fa1f0cb | 2007-02-24 02:03:22 -0500 | [diff] [blame] | 255 | {"link_fault_cnt"} |
| 256 | }; |
| 257 | |
| 258 | static char ethtool_driver_stats_keys[][ETH_GSTRING_LEN] = { |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 259 | {"\n DRIVER STATISTICS"}, |
| 260 | {"single_bit_ecc_errs"}, |
| 261 | {"double_bit_ecc_errs"}, |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 262 | {"parity_err_cnt"}, |
| 263 | {"serious_err_cnt"}, |
| 264 | {"soft_reset_cnt"}, |
| 265 | {"fifo_full_cnt"}, |
| 266 | {"ring_full_cnt"}, |
| 267 | ("alarm_transceiver_temp_high"), |
| 268 | ("alarm_transceiver_temp_low"), |
| 269 | ("alarm_laser_bias_current_high"), |
| 270 | ("alarm_laser_bias_current_low"), |
| 271 | ("alarm_laser_output_power_high"), |
| 272 | ("alarm_laser_output_power_low"), |
| 273 | ("warn_transceiver_temp_high"), |
| 274 | ("warn_transceiver_temp_low"), |
| 275 | ("warn_laser_bias_current_high"), |
| 276 | ("warn_laser_bias_current_low"), |
| 277 | ("warn_laser_output_power_high"), |
| 278 | ("warn_laser_output_power_low"), |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 279 | ("lro_aggregated_pkts"), |
| 280 | ("lro_flush_both_count"), |
| 281 | ("lro_out_of_sequence_pkts"), |
| 282 | ("lro_flush_due_to_max_pkts"), |
| 283 | ("lro_avg_aggr_pkts"), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 284 | }; |
| 285 | |
Sivakumar Subramani | fa1f0cb | 2007-02-24 02:03:22 -0500 | [diff] [blame] | 286 | #define S2IO_XENA_STAT_LEN sizeof(ethtool_xena_stats_keys)/ ETH_GSTRING_LEN |
| 287 | #define S2IO_ENHANCED_STAT_LEN sizeof(ethtool_enhanced_stats_keys)/ \ |
| 288 | ETH_GSTRING_LEN |
| 289 | #define S2IO_DRIVER_STAT_LEN sizeof(ethtool_driver_stats_keys)/ ETH_GSTRING_LEN |
| 290 | |
| 291 | #define XFRAME_I_STAT_LEN (S2IO_XENA_STAT_LEN + S2IO_DRIVER_STAT_LEN ) |
| 292 | #define XFRAME_II_STAT_LEN (XFRAME_I_STAT_LEN + S2IO_ENHANCED_STAT_LEN ) |
| 293 | |
| 294 | #define XFRAME_I_STAT_STRINGS_LEN ( XFRAME_I_STAT_LEN * ETH_GSTRING_LEN ) |
| 295 | #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] | 296 | |
| 297 | #define S2IO_TEST_LEN sizeof(s2io_gstrings) / ETH_GSTRING_LEN |
| 298 | #define S2IO_STRINGS_LEN S2IO_TEST_LEN * ETH_GSTRING_LEN |
| 299 | |
raghavendra.koushik@neterion.com | 25fff88 | 2005-08-03 12:34:11 -0700 | [diff] [blame] | 300 | #define S2IO_TIMER_CONF(timer, handle, arg, exp) \ |
| 301 | init_timer(&timer); \ |
| 302 | timer.function = handle; \ |
| 303 | timer.data = (unsigned long) arg; \ |
| 304 | mod_timer(&timer, (jiffies + exp)) \ |
| 305 | |
raghavendra.koushik@neterion.com | be3a6b0 | 2005-08-03 12:35:55 -0700 | [diff] [blame] | 306 | /* Add the vlan */ |
| 307 | static void s2io_vlan_rx_register(struct net_device *dev, |
| 308 | struct vlan_group *grp) |
| 309 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 310 | struct s2io_nic *nic = dev->priv; |
raghavendra.koushik@neterion.com | be3a6b0 | 2005-08-03 12:35:55 -0700 | [diff] [blame] | 311 | unsigned long flags; |
| 312 | |
| 313 | spin_lock_irqsave(&nic->tx_lock, flags); |
| 314 | nic->vlgrp = grp; |
| 315 | spin_unlock_irqrestore(&nic->tx_lock, flags); |
| 316 | } |
| 317 | |
Sivakumar Subramani | 926930b | 2007-02-24 01:59:39 -0500 | [diff] [blame] | 318 | /* A flag indicating whether 'RX_PA_CFG_STRIP_VLAN_TAG' bit is set or not */ |
| 319 | int vlan_strip_flag; |
| 320 | |
raghavendra.koushik@neterion.com | be3a6b0 | 2005-08-03 12:35:55 -0700 | [diff] [blame] | 321 | /* Unregister the vlan */ |
| 322 | static void s2io_vlan_rx_kill_vid(struct net_device *dev, unsigned long vid) |
| 323 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 324 | struct s2io_nic *nic = dev->priv; |
raghavendra.koushik@neterion.com | be3a6b0 | 2005-08-03 12:35:55 -0700 | [diff] [blame] | 325 | unsigned long flags; |
| 326 | |
| 327 | spin_lock_irqsave(&nic->tx_lock, flags); |
Dan Aloni | 5c15bde | 2007-03-02 20:44:51 -0800 | [diff] [blame] | 328 | vlan_group_set_device(nic->vlgrp, vid, NULL); |
raghavendra.koushik@neterion.com | be3a6b0 | 2005-08-03 12:35:55 -0700 | [diff] [blame] | 329 | spin_unlock_irqrestore(&nic->tx_lock, flags); |
| 330 | } |
| 331 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 332 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 333 | * Constants to be programmed into the Xena's registers, to configure |
| 334 | * the XAUI. |
| 335 | */ |
| 336 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 337 | #define END_SIGN 0x0 |
Arjan van de Ven | f71e130 | 2006-03-03 21:33:57 -0500 | [diff] [blame] | 338 | static const u64 herc_act_dtx_cfg[] = { |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 339 | /* Set address */ |
ravinandan.arakali@neterion.com | e960fc5 | 2005-08-12 10:15:59 -0700 | [diff] [blame] | 340 | 0x8000051536750000ULL, 0x80000515367500E0ULL, |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 341 | /* Write data */ |
ravinandan.arakali@neterion.com | e960fc5 | 2005-08-12 10:15:59 -0700 | [diff] [blame] | 342 | 0x8000051536750004ULL, 0x80000515367500E4ULL, |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 343 | /* Set address */ |
| 344 | 0x80010515003F0000ULL, 0x80010515003F00E0ULL, |
| 345 | /* Write data */ |
| 346 | 0x80010515003F0004ULL, 0x80010515003F00E4ULL, |
| 347 | /* Set address */ |
ravinandan.arakali@neterion.com | e960fc5 | 2005-08-12 10:15:59 -0700 | [diff] [blame] | 348 | 0x801205150D440000ULL, 0x801205150D4400E0ULL, |
| 349 | /* Write data */ |
| 350 | 0x801205150D440004ULL, 0x801205150D4400E4ULL, |
| 351 | /* Set address */ |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 352 | 0x80020515F2100000ULL, 0x80020515F21000E0ULL, |
| 353 | /* Write data */ |
| 354 | 0x80020515F2100004ULL, 0x80020515F21000E4ULL, |
| 355 | /* Done */ |
| 356 | END_SIGN |
| 357 | }; |
| 358 | |
Arjan van de Ven | f71e130 | 2006-03-03 21:33:57 -0500 | [diff] [blame] | 359 | static const u64 xena_dtx_cfg[] = { |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 360 | /* Set address */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 361 | 0x8000051500000000ULL, 0x80000515000000E0ULL, |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 362 | /* Write data */ |
| 363 | 0x80000515D9350004ULL, 0x80000515D93500E4ULL, |
| 364 | /* Set address */ |
| 365 | 0x8001051500000000ULL, 0x80010515000000E0ULL, |
| 366 | /* Write data */ |
| 367 | 0x80010515001E0004ULL, 0x80010515001E00E4ULL, |
| 368 | /* Set address */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 369 | 0x8002051500000000ULL, 0x80020515000000E0ULL, |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 370 | /* Write data */ |
| 371 | 0x80020515F2100004ULL, 0x80020515F21000E4ULL, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 372 | END_SIGN |
| 373 | }; |
| 374 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 375 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 376 | * Constants for Fixing the MacAddress problem seen mostly on |
| 377 | * Alpha machines. |
| 378 | */ |
Arjan van de Ven | f71e130 | 2006-03-03 21:33:57 -0500 | [diff] [blame] | 379 | static const u64 fix_mac[] = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 380 | 0x0060000000000000ULL, 0x0060600000000000ULL, |
| 381 | 0x0040600000000000ULL, 0x0000600000000000ULL, |
| 382 | 0x0020600000000000ULL, 0x0060600000000000ULL, |
| 383 | 0x0020600000000000ULL, 0x0060600000000000ULL, |
| 384 | 0x0020600000000000ULL, 0x0060600000000000ULL, |
| 385 | 0x0020600000000000ULL, 0x0060600000000000ULL, |
| 386 | 0x0020600000000000ULL, 0x0060600000000000ULL, |
| 387 | 0x0020600000000000ULL, 0x0060600000000000ULL, |
| 388 | 0x0020600000000000ULL, 0x0060600000000000ULL, |
| 389 | 0x0020600000000000ULL, 0x0060600000000000ULL, |
| 390 | 0x0020600000000000ULL, 0x0060600000000000ULL, |
| 391 | 0x0020600000000000ULL, 0x0060600000000000ULL, |
| 392 | 0x0020600000000000ULL, 0x0000600000000000ULL, |
| 393 | 0x0040600000000000ULL, 0x0060600000000000ULL, |
| 394 | END_SIGN |
| 395 | }; |
| 396 | |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 397 | MODULE_AUTHOR("Raghavendra Koushik <raghavendra.koushik@neterion.com>"); |
| 398 | MODULE_LICENSE("GPL"); |
| 399 | MODULE_VERSION(DRV_VERSION); |
| 400 | |
| 401 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 402 | /* Module Loadable parameters. */ |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 403 | S2IO_PARM_INT(tx_fifo_num, 1); |
| 404 | S2IO_PARM_INT(rx_ring_num, 1); |
| 405 | |
| 406 | |
| 407 | S2IO_PARM_INT(rx_ring_mode, 1); |
| 408 | S2IO_PARM_INT(use_continuous_tx_intrs, 1); |
| 409 | S2IO_PARM_INT(rmac_pause_time, 0x100); |
| 410 | S2IO_PARM_INT(mc_pause_threshold_q0q3, 187); |
| 411 | S2IO_PARM_INT(mc_pause_threshold_q4q7, 187); |
| 412 | S2IO_PARM_INT(shared_splits, 0); |
| 413 | S2IO_PARM_INT(tmac_util_period, 5); |
| 414 | S2IO_PARM_INT(rmac_util_period, 5); |
| 415 | S2IO_PARM_INT(bimodal, 0); |
| 416 | S2IO_PARM_INT(l3l4hdr_size, 128); |
| 417 | /* Frequency of Rx desc syncs expressed as power of 2 */ |
| 418 | S2IO_PARM_INT(rxsync_frequency, 3); |
| 419 | /* Interrupt type. Values can be 0(INTA), 1(MSI), 2(MSI_X) */ |
| 420 | S2IO_PARM_INT(intr_type, 0); |
| 421 | /* Large receive offload feature */ |
| 422 | S2IO_PARM_INT(lro, 0); |
| 423 | /* Max pkts to be aggregated by LRO at one time. If not specified, |
| 424 | * aggregation happens until we hit max IP pkt size(64K) |
| 425 | */ |
| 426 | S2IO_PARM_INT(lro_max_pkts, 0xFFFF); |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 427 | S2IO_PARM_INT(indicate_max_pkts, 0); |
Sivakumar Subramani | db874e6 | 2007-01-31 13:28:08 -0500 | [diff] [blame] | 428 | |
| 429 | S2IO_PARM_INT(napi, 1); |
| 430 | S2IO_PARM_INT(ufo, 0); |
Sivakumar Subramani | 926930b | 2007-02-24 01:59:39 -0500 | [diff] [blame] | 431 | S2IO_PARM_INT(vlan_tag_strip, NO_STRIP_IN_PROMISC); |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 432 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 433 | static unsigned int tx_fifo_len[MAX_TX_FIFOS] = |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 434 | {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] | 435 | static unsigned int rx_ring_sz[MAX_RX_RINGS] = |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 436 | {[0 ...(MAX_RX_RINGS - 1)] = SMALL_BLK_CNT}; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 437 | static unsigned int rts_frm_len[MAX_RX_RINGS] = |
| 438 | {[0 ...(MAX_RX_RINGS - 1)] = 0 }; |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 439 | |
| 440 | module_param_array(tx_fifo_len, uint, NULL, 0); |
| 441 | module_param_array(rx_ring_sz, uint, NULL, 0); |
| 442 | module_param_array(rts_frm_len, uint, NULL, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 443 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 444 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 445 | * S2IO device table. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 446 | * This table lists all the devices that this driver supports. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 447 | */ |
| 448 | static struct pci_device_id s2io_tbl[] __devinitdata = { |
| 449 | {PCI_VENDOR_ID_S2IO, PCI_DEVICE_ID_S2IO_WIN, |
| 450 | PCI_ANY_ID, PCI_ANY_ID}, |
| 451 | {PCI_VENDOR_ID_S2IO, PCI_DEVICE_ID_S2IO_UNI, |
| 452 | PCI_ANY_ID, PCI_ANY_ID}, |
| 453 | {PCI_VENDOR_ID_S2IO, PCI_DEVICE_ID_HERC_WIN, |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 454 | PCI_ANY_ID, PCI_ANY_ID}, |
| 455 | {PCI_VENDOR_ID_S2IO, PCI_DEVICE_ID_HERC_UNI, |
| 456 | PCI_ANY_ID, PCI_ANY_ID}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 457 | {0,} |
| 458 | }; |
| 459 | |
| 460 | MODULE_DEVICE_TABLE(pci, s2io_tbl); |
| 461 | |
| 462 | static struct pci_driver s2io_driver = { |
| 463 | .name = "S2IO", |
| 464 | .id_table = s2io_tbl, |
| 465 | .probe = s2io_init_nic, |
| 466 | .remove = __devexit_p(s2io_rem_nic), |
| 467 | }; |
| 468 | |
| 469 | /* A simplifier macro used both by init and free shared_mem Fns(). */ |
| 470 | #define TXD_MEM_PAGE_CNT(len, per_each) ((len+per_each - 1) / per_each) |
| 471 | |
| 472 | /** |
| 473 | * init_shared_mem - Allocation and Initialization of Memory |
| 474 | * @nic: Device private variable. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 475 | * Description: The function allocates all the memory areas shared |
| 476 | * between the NIC and the driver. This includes Tx descriptors, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 477 | * Rx descriptors and the statistics block. |
| 478 | */ |
| 479 | |
| 480 | static int init_shared_mem(struct s2io_nic *nic) |
| 481 | { |
| 482 | u32 size; |
| 483 | void *tmp_v_addr, *tmp_v_addr_next; |
| 484 | dma_addr_t tmp_p_addr, tmp_p_addr_next; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 485 | struct RxD_block *pre_rxd_blk = NULL; |
Sivakumar Subramani | 372cc59 | 2007-01-31 13:32:57 -0500 | [diff] [blame] | 486 | int i, j, blk_cnt; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 487 | int lst_size, lst_per_page; |
| 488 | struct net_device *dev = nic->dev; |
viro@zenIV.linux.org.uk | 8ae418c | 2005-09-02 20:15:29 +0100 | [diff] [blame] | 489 | unsigned long tmp; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 490 | struct buffAdd *ba; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 491 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 492 | struct mac_info *mac_control; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 493 | struct config_param *config; |
| 494 | |
| 495 | mac_control = &nic->mac_control; |
| 496 | config = &nic->config; |
| 497 | |
| 498 | |
| 499 | /* Allocation and initialization of TXDLs in FIOFs */ |
| 500 | size = 0; |
| 501 | for (i = 0; i < config->tx_fifo_num; i++) { |
| 502 | size += config->tx_cfg[i].fifo_len; |
| 503 | } |
| 504 | if (size > MAX_AVAILABLE_TXDS) { |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 505 | DBG_PRINT(ERR_DBG, "s2io: Requested TxDs too high, "); |
raghavendra.koushik@neterion.com | 0b1f7eb | 2005-08-03 12:39:56 -0700 | [diff] [blame] | 506 | DBG_PRINT(ERR_DBG, "Requested: %d, max supported: 8192\n", size); |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 507 | return -EINVAL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 508 | } |
| 509 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 510 | lst_size = (sizeof(struct TxD) * config->max_txds); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 511 | lst_per_page = PAGE_SIZE / lst_size; |
| 512 | |
| 513 | for (i = 0; i < config->tx_fifo_num; i++) { |
| 514 | int fifo_len = config->tx_cfg[i].fifo_len; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 515 | int list_holder_size = fifo_len * sizeof(struct list_info_hold); |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 516 | mac_control->fifos[i].list_info = kmalloc(list_holder_size, |
| 517 | GFP_KERNEL); |
| 518 | if (!mac_control->fifos[i].list_info) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 519 | DBG_PRINT(ERR_DBG, |
| 520 | "Malloc failed for list_info\n"); |
| 521 | return -ENOMEM; |
| 522 | } |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 523 | memset(mac_control->fifos[i].list_info, 0, list_holder_size); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 524 | } |
| 525 | for (i = 0; i < config->tx_fifo_num; i++) { |
| 526 | int page_num = TXD_MEM_PAGE_CNT(config->tx_cfg[i].fifo_len, |
| 527 | lst_per_page); |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 528 | mac_control->fifos[i].tx_curr_put_info.offset = 0; |
| 529 | mac_control->fifos[i].tx_curr_put_info.fifo_len = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 530 | config->tx_cfg[i].fifo_len - 1; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 531 | mac_control->fifos[i].tx_curr_get_info.offset = 0; |
| 532 | mac_control->fifos[i].tx_curr_get_info.fifo_len = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 533 | config->tx_cfg[i].fifo_len - 1; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 534 | mac_control->fifos[i].fifo_no = i; |
| 535 | mac_control->fifos[i].nic = nic; |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 536 | mac_control->fifos[i].max_txds = MAX_SKB_FRAGS + 2; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 537 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 538 | for (j = 0; j < page_num; j++) { |
| 539 | int k = 0; |
| 540 | dma_addr_t tmp_p; |
| 541 | void *tmp_v; |
| 542 | tmp_v = pci_alloc_consistent(nic->pdev, |
| 543 | PAGE_SIZE, &tmp_p); |
| 544 | if (!tmp_v) { |
| 545 | DBG_PRINT(ERR_DBG, |
| 546 | "pci_alloc_consistent "); |
| 547 | DBG_PRINT(ERR_DBG, "failed for TxDL\n"); |
| 548 | return -ENOMEM; |
| 549 | } |
ravinandan.arakali@neterion.com | 776bd20 | 2005-09-06 21:36:56 -0700 | [diff] [blame] | 550 | /* If we got a zero DMA address(can happen on |
| 551 | * certain platforms like PPC), reallocate. |
| 552 | * Store virtual address of page we don't want, |
| 553 | * to be freed later. |
| 554 | */ |
| 555 | if (!tmp_p) { |
| 556 | mac_control->zerodma_virt_addr = tmp_v; |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 557 | DBG_PRINT(INIT_DBG, |
ravinandan.arakali@neterion.com | 776bd20 | 2005-09-06 21:36:56 -0700 | [diff] [blame] | 558 | "%s: Zero DMA address for TxDL. ", dev->name); |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 559 | DBG_PRINT(INIT_DBG, |
Andrew Morton | 6b4d617 | 2005-09-12 23:21:55 -0700 | [diff] [blame] | 560 | "Virtual address %p\n", tmp_v); |
ravinandan.arakali@neterion.com | 776bd20 | 2005-09-06 21:36:56 -0700 | [diff] [blame] | 561 | tmp_v = pci_alloc_consistent(nic->pdev, |
| 562 | PAGE_SIZE, &tmp_p); |
| 563 | if (!tmp_v) { |
| 564 | DBG_PRINT(ERR_DBG, |
| 565 | "pci_alloc_consistent "); |
| 566 | DBG_PRINT(ERR_DBG, "failed for TxDL\n"); |
| 567 | return -ENOMEM; |
| 568 | } |
| 569 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 570 | while (k < lst_per_page) { |
| 571 | int l = (j * lst_per_page) + k; |
| 572 | if (l == config->tx_cfg[i].fifo_len) |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 573 | break; |
| 574 | mac_control->fifos[i].list_info[l].list_virt_addr = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 575 | tmp_v + (k * lst_size); |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 576 | mac_control->fifos[i].list_info[l].list_phy_addr = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 577 | tmp_p + (k * lst_size); |
| 578 | k++; |
| 579 | } |
| 580 | } |
| 581 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 582 | |
Al Viro | 4384247 | 2007-01-23 12:25:08 +0000 | [diff] [blame] | 583 | nic->ufo_in_band_v = kcalloc(size, sizeof(u64), GFP_KERNEL); |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 584 | if (!nic->ufo_in_band_v) |
| 585 | return -ENOMEM; |
| 586 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 587 | /* Allocation and initialization of RXDs in Rings */ |
| 588 | size = 0; |
| 589 | for (i = 0; i < config->rx_ring_num; i++) { |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 590 | if (config->rx_cfg[i].num_rxd % |
| 591 | (rxd_count[nic->rxd_mode] + 1)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 592 | DBG_PRINT(ERR_DBG, "%s: RxD count of ", dev->name); |
| 593 | DBG_PRINT(ERR_DBG, "Ring%d is not a multiple of ", |
| 594 | i); |
| 595 | DBG_PRINT(ERR_DBG, "RxDs per Block"); |
| 596 | return FAILURE; |
| 597 | } |
| 598 | size += config->rx_cfg[i].num_rxd; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 599 | mac_control->rings[i].block_count = |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 600 | config->rx_cfg[i].num_rxd / |
| 601 | (rxd_count[nic->rxd_mode] + 1 ); |
| 602 | mac_control->rings[i].pkt_cnt = config->rx_cfg[i].num_rxd - |
| 603 | mac_control->rings[i].block_count; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 604 | } |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 605 | if (nic->rxd_mode == RXD_MODE_1) |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 606 | size = (size * (sizeof(struct RxD1))); |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 607 | else |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 608 | size = (size * (sizeof(struct RxD3))); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 609 | |
| 610 | for (i = 0; i < config->rx_ring_num; i++) { |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 611 | mac_control->rings[i].rx_curr_get_info.block_index = 0; |
| 612 | mac_control->rings[i].rx_curr_get_info.offset = 0; |
| 613 | mac_control->rings[i].rx_curr_get_info.ring_len = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 614 | config->rx_cfg[i].num_rxd - 1; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 615 | mac_control->rings[i].rx_curr_put_info.block_index = 0; |
| 616 | mac_control->rings[i].rx_curr_put_info.offset = 0; |
| 617 | mac_control->rings[i].rx_curr_put_info.ring_len = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 618 | config->rx_cfg[i].num_rxd - 1; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 619 | mac_control->rings[i].nic = nic; |
| 620 | mac_control->rings[i].ring_no = i; |
| 621 | |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 622 | blk_cnt = config->rx_cfg[i].num_rxd / |
| 623 | (rxd_count[nic->rxd_mode] + 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 624 | /* Allocating all the Rx blocks */ |
| 625 | for (j = 0; j < blk_cnt; j++) { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 626 | struct rx_block_info *rx_blocks; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 627 | int l; |
| 628 | |
| 629 | rx_blocks = &mac_control->rings[i].rx_blocks[j]; |
| 630 | size = SIZE_OF_BLOCK; //size is always page size |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 631 | tmp_v_addr = pci_alloc_consistent(nic->pdev, size, |
| 632 | &tmp_p_addr); |
| 633 | if (tmp_v_addr == NULL) { |
| 634 | /* |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 635 | * In case of failure, free_shared_mem() |
| 636 | * is called, which should free any |
| 637 | * memory that was alloced till the |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 638 | * failure happened. |
| 639 | */ |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 640 | rx_blocks->block_virt_addr = tmp_v_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 641 | return -ENOMEM; |
| 642 | } |
| 643 | memset(tmp_v_addr, 0, size); |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 644 | rx_blocks->block_virt_addr = tmp_v_addr; |
| 645 | rx_blocks->block_dma_addr = tmp_p_addr; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 646 | rx_blocks->rxds = kmalloc(sizeof(struct rxd_info)* |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 647 | rxd_count[nic->rxd_mode], |
| 648 | GFP_KERNEL); |
Sivakumar Subramani | 372cc59 | 2007-01-31 13:32:57 -0500 | [diff] [blame] | 649 | if (!rx_blocks->rxds) |
| 650 | return -ENOMEM; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 651 | for (l=0; l<rxd_count[nic->rxd_mode];l++) { |
| 652 | rx_blocks->rxds[l].virt_addr = |
| 653 | rx_blocks->block_virt_addr + |
| 654 | (rxd_size[nic->rxd_mode] * l); |
| 655 | rx_blocks->rxds[l].dma_addr = |
| 656 | rx_blocks->block_dma_addr + |
| 657 | (rxd_size[nic->rxd_mode] * l); |
| 658 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 659 | } |
| 660 | /* Interlinking all Rx Blocks */ |
| 661 | for (j = 0; j < blk_cnt; j++) { |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 662 | tmp_v_addr = |
| 663 | mac_control->rings[i].rx_blocks[j].block_virt_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 664 | tmp_v_addr_next = |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 665 | mac_control->rings[i].rx_blocks[(j + 1) % |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 666 | blk_cnt].block_virt_addr; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 667 | tmp_p_addr = |
| 668 | mac_control->rings[i].rx_blocks[j].block_dma_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 669 | tmp_p_addr_next = |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 670 | mac_control->rings[i].rx_blocks[(j + 1) % |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 671 | blk_cnt].block_dma_addr; |
| 672 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 673 | pre_rxd_blk = (struct RxD_block *) tmp_v_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 674 | pre_rxd_blk->reserved_2_pNext_RxD_block = |
| 675 | (unsigned long) tmp_v_addr_next; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 676 | pre_rxd_blk->pNext_RxD_Blk_physical = |
| 677 | (u64) tmp_p_addr_next; |
| 678 | } |
| 679 | } |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 680 | if (nic->rxd_mode >= RXD_MODE_3A) { |
| 681 | /* |
| 682 | * Allocation of Storages for buffer addresses in 2BUFF mode |
| 683 | * and the buffers as well. |
| 684 | */ |
| 685 | for (i = 0; i < config->rx_ring_num; i++) { |
| 686 | blk_cnt = config->rx_cfg[i].num_rxd / |
| 687 | (rxd_count[nic->rxd_mode]+ 1); |
| 688 | mac_control->rings[i].ba = |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 689 | kmalloc((sizeof(struct buffAdd *) * blk_cnt), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 690 | GFP_KERNEL); |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 691 | if (!mac_control->rings[i].ba) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 692 | return -ENOMEM; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 693 | for (j = 0; j < blk_cnt; j++) { |
| 694 | int k = 0; |
| 695 | mac_control->rings[i].ba[j] = |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 696 | kmalloc((sizeof(struct buffAdd) * |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 697 | (rxd_count[nic->rxd_mode] + 1)), |
| 698 | GFP_KERNEL); |
| 699 | if (!mac_control->rings[i].ba[j]) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 700 | return -ENOMEM; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 701 | while (k != rxd_count[nic->rxd_mode]) { |
| 702 | ba = &mac_control->rings[i].ba[j][k]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 703 | |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 704 | ba->ba_0_org = (void *) kmalloc |
| 705 | (BUF0_LEN + ALIGN_SIZE, GFP_KERNEL); |
| 706 | if (!ba->ba_0_org) |
| 707 | return -ENOMEM; |
| 708 | tmp = (unsigned long)ba->ba_0_org; |
| 709 | tmp += ALIGN_SIZE; |
| 710 | tmp &= ~((unsigned long) ALIGN_SIZE); |
| 711 | ba->ba_0 = (void *) tmp; |
| 712 | |
| 713 | ba->ba_1_org = (void *) kmalloc |
| 714 | (BUF1_LEN + ALIGN_SIZE, GFP_KERNEL); |
| 715 | if (!ba->ba_1_org) |
| 716 | return -ENOMEM; |
| 717 | tmp = (unsigned long) ba->ba_1_org; |
| 718 | tmp += ALIGN_SIZE; |
| 719 | tmp &= ~((unsigned long) ALIGN_SIZE); |
| 720 | ba->ba_1 = (void *) tmp; |
| 721 | k++; |
| 722 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 723 | } |
| 724 | } |
| 725 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 726 | |
| 727 | /* Allocation and initialization of Statistics block */ |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 728 | size = sizeof(struct stat_block); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 729 | mac_control->stats_mem = pci_alloc_consistent |
| 730 | (nic->pdev, size, &mac_control->stats_mem_phy); |
| 731 | |
| 732 | if (!mac_control->stats_mem) { |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 733 | /* |
| 734 | * In case of failure, free_shared_mem() is called, which |
| 735 | * should free any memory that was alloced till the |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 736 | * failure happened. |
| 737 | */ |
| 738 | return -ENOMEM; |
| 739 | } |
| 740 | mac_control->stats_mem_sz = size; |
| 741 | |
| 742 | tmp_v_addr = mac_control->stats_mem; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 743 | mac_control->stats_info = (struct stat_block *) tmp_v_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 744 | memset(tmp_v_addr, 0, size); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 745 | DBG_PRINT(INIT_DBG, "%s:Ring Mem PHY: 0x%llx\n", dev->name, |
| 746 | (unsigned long long) tmp_p_addr); |
| 747 | |
| 748 | return SUCCESS; |
| 749 | } |
| 750 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 751 | /** |
| 752 | * free_shared_mem - Free the allocated Memory |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 753 | * @nic: Device private variable. |
| 754 | * Description: This function is to free all memory locations allocated by |
| 755 | * the init_shared_mem() function and return it to the kernel. |
| 756 | */ |
| 757 | |
| 758 | static void free_shared_mem(struct s2io_nic *nic) |
| 759 | { |
| 760 | int i, j, blk_cnt, size; |
| 761 | void *tmp_v_addr; |
| 762 | dma_addr_t tmp_p_addr; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 763 | struct mac_info *mac_control; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 764 | struct config_param *config; |
| 765 | int lst_size, lst_per_page; |
ravinandan.arakali@neterion.com | 776bd20 | 2005-09-06 21:36:56 -0700 | [diff] [blame] | 766 | struct net_device *dev = nic->dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 767 | |
| 768 | if (!nic) |
| 769 | return; |
| 770 | |
| 771 | mac_control = &nic->mac_control; |
| 772 | config = &nic->config; |
| 773 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 774 | lst_size = (sizeof(struct TxD) * config->max_txds); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 775 | lst_per_page = PAGE_SIZE / lst_size; |
| 776 | |
| 777 | for (i = 0; i < config->tx_fifo_num; i++) { |
| 778 | int page_num = TXD_MEM_PAGE_CNT(config->tx_cfg[i].fifo_len, |
| 779 | lst_per_page); |
| 780 | for (j = 0; j < page_num; j++) { |
| 781 | int mem_blks = (j * lst_per_page); |
ravinandan.arakali@neterion.com | 776bd20 | 2005-09-06 21:36:56 -0700 | [diff] [blame] | 782 | if (!mac_control->fifos[i].list_info) |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 783 | return; |
ravinandan.arakali@neterion.com | 776bd20 | 2005-09-06 21:36:56 -0700 | [diff] [blame] | 784 | if (!mac_control->fifos[i].list_info[mem_blks]. |
| 785 | list_virt_addr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 786 | break; |
| 787 | pci_free_consistent(nic->pdev, PAGE_SIZE, |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 788 | mac_control->fifos[i]. |
| 789 | list_info[mem_blks]. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 790 | list_virt_addr, |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 791 | mac_control->fifos[i]. |
| 792 | list_info[mem_blks]. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 793 | list_phy_addr); |
| 794 | } |
ravinandan.arakali@neterion.com | 776bd20 | 2005-09-06 21:36:56 -0700 | [diff] [blame] | 795 | /* If we got a zero DMA address during allocation, |
| 796 | * free the page now |
| 797 | */ |
| 798 | if (mac_control->zerodma_virt_addr) { |
| 799 | pci_free_consistent(nic->pdev, PAGE_SIZE, |
| 800 | mac_control->zerodma_virt_addr, |
| 801 | (dma_addr_t)0); |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 802 | DBG_PRINT(INIT_DBG, |
Andrew Morton | 6b4d617 | 2005-09-12 23:21:55 -0700 | [diff] [blame] | 803 | "%s: Freeing TxDL with zero DMA addr. ", |
| 804 | dev->name); |
| 805 | DBG_PRINT(INIT_DBG, "Virtual address %p\n", |
| 806 | mac_control->zerodma_virt_addr); |
ravinandan.arakali@neterion.com | 776bd20 | 2005-09-06 21:36:56 -0700 | [diff] [blame] | 807 | } |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 808 | kfree(mac_control->fifos[i].list_info); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 809 | } |
| 810 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 811 | size = SIZE_OF_BLOCK; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 812 | for (i = 0; i < config->rx_ring_num; i++) { |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 813 | blk_cnt = mac_control->rings[i].block_count; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 814 | for (j = 0; j < blk_cnt; j++) { |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 815 | tmp_v_addr = mac_control->rings[i].rx_blocks[j]. |
| 816 | block_virt_addr; |
| 817 | tmp_p_addr = mac_control->rings[i].rx_blocks[j]. |
| 818 | block_dma_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 819 | if (tmp_v_addr == NULL) |
| 820 | break; |
| 821 | pci_free_consistent(nic->pdev, size, |
| 822 | tmp_v_addr, tmp_p_addr); |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 823 | kfree(mac_control->rings[i].rx_blocks[j].rxds); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 824 | } |
| 825 | } |
| 826 | |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 827 | if (nic->rxd_mode >= RXD_MODE_3A) { |
| 828 | /* Freeing buffer storage addresses in 2BUFF mode. */ |
| 829 | for (i = 0; i < config->rx_ring_num; i++) { |
| 830 | blk_cnt = config->rx_cfg[i].num_rxd / |
| 831 | (rxd_count[nic->rxd_mode] + 1); |
| 832 | for (j = 0; j < blk_cnt; j++) { |
| 833 | int k = 0; |
| 834 | if (!mac_control->rings[i].ba[j]) |
| 835 | continue; |
| 836 | while (k != rxd_count[nic->rxd_mode]) { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 837 | struct buffAdd *ba = |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 838 | &mac_control->rings[i].ba[j][k]; |
| 839 | kfree(ba->ba_0_org); |
| 840 | kfree(ba->ba_1_org); |
| 841 | k++; |
| 842 | } |
| 843 | kfree(mac_control->rings[i].ba[j]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 844 | } |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 845 | kfree(mac_control->rings[i].ba); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 846 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 847 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 848 | |
| 849 | if (mac_control->stats_mem) { |
| 850 | pci_free_consistent(nic->pdev, |
| 851 | mac_control->stats_mem_sz, |
| 852 | mac_control->stats_mem, |
| 853 | mac_control->stats_mem_phy); |
| 854 | } |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 855 | if (nic->ufo_in_band_v) |
| 856 | kfree(nic->ufo_in_band_v); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 857 | } |
| 858 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 859 | /** |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 860 | * s2io_verify_pci_mode - |
| 861 | */ |
| 862 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 863 | static int s2io_verify_pci_mode(struct s2io_nic *nic) |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 864 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 865 | struct XENA_dev_config __iomem *bar0 = nic->bar0; |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 866 | register u64 val64 = 0; |
| 867 | int mode; |
| 868 | |
| 869 | val64 = readq(&bar0->pci_mode); |
| 870 | mode = (u8)GET_PCI_MODE(val64); |
| 871 | |
| 872 | if ( val64 & PCI_MODE_UNKNOWN_MODE) |
| 873 | return -1; /* Unknown PCI mode */ |
| 874 | return mode; |
| 875 | } |
| 876 | |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 877 | #define NEC_VENID 0x1033 |
| 878 | #define NEC_DEVID 0x0125 |
| 879 | static int s2io_on_nec_bridge(struct pci_dev *s2io_pdev) |
| 880 | { |
| 881 | struct pci_dev *tdev = NULL; |
Alan Cox | 26d36b6 | 2006-09-15 15:22:51 +0100 | [diff] [blame] | 882 | while ((tdev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, tdev)) != NULL) { |
| 883 | if (tdev->vendor == NEC_VENID && tdev->device == NEC_DEVID) { |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 884 | if (tdev->bus == s2io_pdev->bus->parent) |
Alan Cox | 26d36b6 | 2006-09-15 15:22:51 +0100 | [diff] [blame] | 885 | pci_dev_put(tdev); |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 886 | return 1; |
| 887 | } |
| 888 | } |
| 889 | return 0; |
| 890 | } |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 891 | |
Adrian Bunk | 7b32a31 | 2006-05-16 17:30:50 +0200 | [diff] [blame] | 892 | 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] | 893 | /** |
| 894 | * s2io_print_pci_mode - |
| 895 | */ |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 896 | static int s2io_print_pci_mode(struct s2io_nic *nic) |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 897 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 898 | struct XENA_dev_config __iomem *bar0 = nic->bar0; |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 899 | register u64 val64 = 0; |
| 900 | int mode; |
| 901 | struct config_param *config = &nic->config; |
| 902 | |
| 903 | val64 = readq(&bar0->pci_mode); |
| 904 | mode = (u8)GET_PCI_MODE(val64); |
| 905 | |
| 906 | if ( val64 & PCI_MODE_UNKNOWN_MODE) |
| 907 | return -1; /* Unknown PCI mode */ |
| 908 | |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 909 | config->bus_speed = bus_speed[mode]; |
| 910 | |
| 911 | if (s2io_on_nec_bridge(nic->pdev)) { |
| 912 | DBG_PRINT(ERR_DBG, "%s: Device is on PCI-E bus\n", |
| 913 | nic->dev->name); |
| 914 | return mode; |
| 915 | } |
| 916 | |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 917 | if (val64 & PCI_MODE_32_BITS) { |
| 918 | DBG_PRINT(ERR_DBG, "%s: Device is on 32 bit ", nic->dev->name); |
| 919 | } else { |
| 920 | DBG_PRINT(ERR_DBG, "%s: Device is on 64 bit ", nic->dev->name); |
| 921 | } |
| 922 | |
| 923 | switch(mode) { |
| 924 | case PCI_MODE_PCI_33: |
| 925 | DBG_PRINT(ERR_DBG, "33MHz PCI bus\n"); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 926 | break; |
| 927 | case PCI_MODE_PCI_66: |
| 928 | DBG_PRINT(ERR_DBG, "66MHz PCI bus\n"); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 929 | break; |
| 930 | case PCI_MODE_PCIX_M1_66: |
| 931 | DBG_PRINT(ERR_DBG, "66MHz PCIX(M1) bus\n"); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 932 | break; |
| 933 | case PCI_MODE_PCIX_M1_100: |
| 934 | DBG_PRINT(ERR_DBG, "100MHz PCIX(M1) bus\n"); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 935 | break; |
| 936 | case PCI_MODE_PCIX_M1_133: |
| 937 | DBG_PRINT(ERR_DBG, "133MHz PCIX(M1) bus\n"); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 938 | break; |
| 939 | case PCI_MODE_PCIX_M2_66: |
| 940 | DBG_PRINT(ERR_DBG, "133MHz PCIX(M2) bus\n"); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 941 | break; |
| 942 | case PCI_MODE_PCIX_M2_100: |
| 943 | DBG_PRINT(ERR_DBG, "200MHz PCIX(M2) bus\n"); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 944 | break; |
| 945 | case PCI_MODE_PCIX_M2_133: |
| 946 | DBG_PRINT(ERR_DBG, "266MHz PCIX(M2) bus\n"); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 947 | break; |
| 948 | default: |
| 949 | return -1; /* Unsupported bus speed */ |
| 950 | } |
| 951 | |
| 952 | return mode; |
| 953 | } |
| 954 | |
| 955 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 956 | * init_nic - Initialization of hardware |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 957 | * @nic: device peivate variable |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 958 | * Description: The function sequentially configures every block |
| 959 | * of the H/W from their reset values. |
| 960 | * Return Value: SUCCESS on success and |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 961 | * '-1' on failure (endian settings incorrect). |
| 962 | */ |
| 963 | |
| 964 | static int init_nic(struct s2io_nic *nic) |
| 965 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 966 | struct XENA_dev_config __iomem *bar0 = nic->bar0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 967 | struct net_device *dev = nic->dev; |
| 968 | register u64 val64 = 0; |
| 969 | void __iomem *add; |
| 970 | u32 time; |
| 971 | int i, j; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 972 | struct mac_info *mac_control; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 973 | struct config_param *config; |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 974 | int dtx_cnt = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 975 | unsigned long long mem_share; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 976 | int mem_size; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 977 | |
| 978 | mac_control = &nic->mac_control; |
| 979 | config = &nic->config; |
| 980 | |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 981 | /* to set the swapper controle on the card */ |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 982 | if(s2io_set_swapper(nic)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 983 | DBG_PRINT(ERR_DBG,"ERROR: Setting Swapper failed\n"); |
| 984 | return -1; |
| 985 | } |
| 986 | |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 987 | /* |
| 988 | * Herc requires EOI to be removed from reset before XGXS, so.. |
| 989 | */ |
| 990 | if (nic->device_type & XFRAME_II_DEVICE) { |
| 991 | val64 = 0xA500000000ULL; |
| 992 | writeq(val64, &bar0->sw_reset); |
| 993 | msleep(500); |
| 994 | val64 = readq(&bar0->sw_reset); |
| 995 | } |
| 996 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 997 | /* Remove XGXS from reset state */ |
| 998 | val64 = 0; |
| 999 | writeq(val64, &bar0->sw_reset); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1000 | msleep(500); |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1001 | val64 = readq(&bar0->sw_reset); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1002 | |
| 1003 | /* Enable Receiving broadcasts */ |
| 1004 | add = &bar0->mac_cfg; |
| 1005 | val64 = readq(&bar0->mac_cfg); |
| 1006 | val64 |= MAC_RMAC_BCAST_ENABLE; |
| 1007 | writeq(RMAC_CFG_KEY(0x4C0D), &bar0->rmac_cfg_key); |
| 1008 | writel((u32) val64, add); |
| 1009 | writeq(RMAC_CFG_KEY(0x4C0D), &bar0->rmac_cfg_key); |
| 1010 | writel((u32) (val64 >> 32), (add + 4)); |
| 1011 | |
| 1012 | /* Read registers in all blocks */ |
| 1013 | val64 = readq(&bar0->mac_int_mask); |
| 1014 | val64 = readq(&bar0->mc_int_mask); |
| 1015 | val64 = readq(&bar0->xgxs_int_mask); |
| 1016 | |
| 1017 | /* Set MTU */ |
| 1018 | val64 = dev->mtu; |
| 1019 | writeq(vBIT(val64, 2, 14), &bar0->rmac_max_pyld_len); |
| 1020 | |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1021 | if (nic->device_type & XFRAME_II_DEVICE) { |
| 1022 | while (herc_act_dtx_cfg[dtx_cnt] != END_SIGN) { |
raghavendra.koushik@neterion.com | 303bcb4 | 2005-08-03 12:41:38 -0700 | [diff] [blame] | 1023 | SPECIAL_REG_WRITE(herc_act_dtx_cfg[dtx_cnt], |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1024 | &bar0->dtx_control, UF); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1025 | if (dtx_cnt & 0x1) |
| 1026 | msleep(1); /* Necessary!! */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1027 | dtx_cnt++; |
| 1028 | } |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1029 | } else { |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 1030 | while (xena_dtx_cfg[dtx_cnt] != END_SIGN) { |
| 1031 | SPECIAL_REG_WRITE(xena_dtx_cfg[dtx_cnt], |
| 1032 | &bar0->dtx_control, UF); |
| 1033 | val64 = readq(&bar0->dtx_control); |
| 1034 | dtx_cnt++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1035 | } |
| 1036 | } |
| 1037 | |
| 1038 | /* Tx DMA Initialization */ |
| 1039 | val64 = 0; |
| 1040 | writeq(val64, &bar0->tx_fifo_partition_0); |
| 1041 | writeq(val64, &bar0->tx_fifo_partition_1); |
| 1042 | writeq(val64, &bar0->tx_fifo_partition_2); |
| 1043 | writeq(val64, &bar0->tx_fifo_partition_3); |
| 1044 | |
| 1045 | |
| 1046 | for (i = 0, j = 0; i < config->tx_fifo_num; i++) { |
| 1047 | val64 |= |
| 1048 | vBIT(config->tx_cfg[i].fifo_len - 1, ((i * 32) + 19), |
| 1049 | 13) | vBIT(config->tx_cfg[i].fifo_priority, |
| 1050 | ((i * 32) + 5), 3); |
| 1051 | |
| 1052 | if (i == (config->tx_fifo_num - 1)) { |
| 1053 | if (i % 2 == 0) |
| 1054 | i++; |
| 1055 | } |
| 1056 | |
| 1057 | switch (i) { |
| 1058 | case 1: |
| 1059 | writeq(val64, &bar0->tx_fifo_partition_0); |
| 1060 | val64 = 0; |
| 1061 | break; |
| 1062 | case 3: |
| 1063 | writeq(val64, &bar0->tx_fifo_partition_1); |
| 1064 | val64 = 0; |
| 1065 | break; |
| 1066 | case 5: |
| 1067 | writeq(val64, &bar0->tx_fifo_partition_2); |
| 1068 | val64 = 0; |
| 1069 | break; |
| 1070 | case 7: |
| 1071 | writeq(val64, &bar0->tx_fifo_partition_3); |
| 1072 | break; |
| 1073 | } |
| 1074 | } |
| 1075 | |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1076 | /* |
| 1077 | * Disable 4 PCCs for Xena1, 2 and 3 as per H/W bug |
| 1078 | * SXE-008 TRANSMIT DMA ARBITRATION ISSUE. |
| 1079 | */ |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1080 | if ((nic->device_type == XFRAME_I_DEVICE) && |
| 1081 | (get_xena_rev_id(nic->pdev) < 4)) |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1082 | writeq(PCC_ENABLE_FOUR, &bar0->pcc_enable); |
| 1083 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1084 | val64 = readq(&bar0->tx_fifo_partition_0); |
| 1085 | DBG_PRINT(INIT_DBG, "Fifo partition at: 0x%p is: 0x%llx\n", |
| 1086 | &bar0->tx_fifo_partition_0, (unsigned long long) val64); |
| 1087 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1088 | /* |
| 1089 | * Initialization of Tx_PA_CONFIG register to ignore packet |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1090 | * integrity checking. |
| 1091 | */ |
| 1092 | val64 = readq(&bar0->tx_pa_cfg); |
| 1093 | val64 |= TX_PA_CFG_IGNORE_FRM_ERR | TX_PA_CFG_IGNORE_SNAP_OUI | |
| 1094 | TX_PA_CFG_IGNORE_LLC_CTRL | TX_PA_CFG_IGNORE_L2_ERR; |
| 1095 | writeq(val64, &bar0->tx_pa_cfg); |
| 1096 | |
| 1097 | /* Rx DMA intialization. */ |
| 1098 | val64 = 0; |
| 1099 | for (i = 0; i < config->rx_ring_num; i++) { |
| 1100 | val64 |= |
| 1101 | vBIT(config->rx_cfg[i].ring_priority, (5 + (i * 8)), |
| 1102 | 3); |
| 1103 | } |
| 1104 | writeq(val64, &bar0->rx_queue_priority); |
| 1105 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1106 | /* |
| 1107 | * Allocating equal share of memory to all the |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1108 | * configured Rings. |
| 1109 | */ |
| 1110 | val64 = 0; |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1111 | if (nic->device_type & XFRAME_II_DEVICE) |
| 1112 | mem_size = 32; |
| 1113 | else |
| 1114 | mem_size = 64; |
| 1115 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1116 | for (i = 0; i < config->rx_ring_num; i++) { |
| 1117 | switch (i) { |
| 1118 | case 0: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1119 | mem_share = (mem_size / config->rx_ring_num + |
| 1120 | mem_size % config->rx_ring_num); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1121 | val64 |= RX_QUEUE_CFG_Q0_SZ(mem_share); |
| 1122 | continue; |
| 1123 | case 1: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1124 | mem_share = (mem_size / config->rx_ring_num); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1125 | val64 |= RX_QUEUE_CFG_Q1_SZ(mem_share); |
| 1126 | continue; |
| 1127 | case 2: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1128 | mem_share = (mem_size / config->rx_ring_num); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1129 | val64 |= RX_QUEUE_CFG_Q2_SZ(mem_share); |
| 1130 | continue; |
| 1131 | case 3: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1132 | mem_share = (mem_size / config->rx_ring_num); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1133 | val64 |= RX_QUEUE_CFG_Q3_SZ(mem_share); |
| 1134 | continue; |
| 1135 | case 4: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1136 | mem_share = (mem_size / config->rx_ring_num); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1137 | val64 |= RX_QUEUE_CFG_Q4_SZ(mem_share); |
| 1138 | continue; |
| 1139 | case 5: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1140 | mem_share = (mem_size / config->rx_ring_num); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1141 | val64 |= RX_QUEUE_CFG_Q5_SZ(mem_share); |
| 1142 | continue; |
| 1143 | case 6: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1144 | mem_share = (mem_size / config->rx_ring_num); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1145 | val64 |= RX_QUEUE_CFG_Q6_SZ(mem_share); |
| 1146 | continue; |
| 1147 | case 7: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1148 | mem_share = (mem_size / config->rx_ring_num); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1149 | val64 |= RX_QUEUE_CFG_Q7_SZ(mem_share); |
| 1150 | continue; |
| 1151 | } |
| 1152 | } |
| 1153 | writeq(val64, &bar0->rx_queue_cfg); |
| 1154 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1155 | /* |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1156 | * Filling Tx round robin registers |
| 1157 | * as per the number of FIFOs |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1158 | */ |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1159 | switch (config->tx_fifo_num) { |
| 1160 | case 1: |
| 1161 | val64 = 0x0000000000000000ULL; |
| 1162 | writeq(val64, &bar0->tx_w_round_robin_0); |
| 1163 | writeq(val64, &bar0->tx_w_round_robin_1); |
| 1164 | writeq(val64, &bar0->tx_w_round_robin_2); |
| 1165 | writeq(val64, &bar0->tx_w_round_robin_3); |
| 1166 | writeq(val64, &bar0->tx_w_round_robin_4); |
| 1167 | break; |
| 1168 | case 2: |
| 1169 | val64 = 0x0000010000010000ULL; |
| 1170 | writeq(val64, &bar0->tx_w_round_robin_0); |
| 1171 | val64 = 0x0100000100000100ULL; |
| 1172 | writeq(val64, &bar0->tx_w_round_robin_1); |
| 1173 | val64 = 0x0001000001000001ULL; |
| 1174 | writeq(val64, &bar0->tx_w_round_robin_2); |
| 1175 | val64 = 0x0000010000010000ULL; |
| 1176 | writeq(val64, &bar0->tx_w_round_robin_3); |
| 1177 | val64 = 0x0100000000000000ULL; |
| 1178 | writeq(val64, &bar0->tx_w_round_robin_4); |
| 1179 | break; |
| 1180 | case 3: |
| 1181 | val64 = 0x0001000102000001ULL; |
| 1182 | writeq(val64, &bar0->tx_w_round_robin_0); |
| 1183 | val64 = 0x0001020000010001ULL; |
| 1184 | writeq(val64, &bar0->tx_w_round_robin_1); |
| 1185 | val64 = 0x0200000100010200ULL; |
| 1186 | writeq(val64, &bar0->tx_w_round_robin_2); |
| 1187 | val64 = 0x0001000102000001ULL; |
| 1188 | writeq(val64, &bar0->tx_w_round_robin_3); |
| 1189 | val64 = 0x0001020000000000ULL; |
| 1190 | writeq(val64, &bar0->tx_w_round_robin_4); |
| 1191 | break; |
| 1192 | case 4: |
| 1193 | val64 = 0x0001020300010200ULL; |
| 1194 | writeq(val64, &bar0->tx_w_round_robin_0); |
| 1195 | val64 = 0x0100000102030001ULL; |
| 1196 | writeq(val64, &bar0->tx_w_round_robin_1); |
| 1197 | val64 = 0x0200010000010203ULL; |
| 1198 | writeq(val64, &bar0->tx_w_round_robin_2); |
| 1199 | val64 = 0x0001020001000001ULL; |
| 1200 | writeq(val64, &bar0->tx_w_round_robin_3); |
| 1201 | val64 = 0x0203000100000000ULL; |
| 1202 | writeq(val64, &bar0->tx_w_round_robin_4); |
| 1203 | break; |
| 1204 | case 5: |
| 1205 | val64 = 0x0001000203000102ULL; |
| 1206 | writeq(val64, &bar0->tx_w_round_robin_0); |
| 1207 | val64 = 0x0001020001030004ULL; |
| 1208 | writeq(val64, &bar0->tx_w_round_robin_1); |
| 1209 | val64 = 0x0001000203000102ULL; |
| 1210 | writeq(val64, &bar0->tx_w_round_robin_2); |
| 1211 | val64 = 0x0001020001030004ULL; |
| 1212 | writeq(val64, &bar0->tx_w_round_robin_3); |
| 1213 | val64 = 0x0001000000000000ULL; |
| 1214 | writeq(val64, &bar0->tx_w_round_robin_4); |
| 1215 | break; |
| 1216 | case 6: |
| 1217 | val64 = 0x0001020304000102ULL; |
| 1218 | writeq(val64, &bar0->tx_w_round_robin_0); |
| 1219 | val64 = 0x0304050001020001ULL; |
| 1220 | writeq(val64, &bar0->tx_w_round_robin_1); |
| 1221 | val64 = 0x0203000100000102ULL; |
| 1222 | writeq(val64, &bar0->tx_w_round_robin_2); |
| 1223 | val64 = 0x0304000102030405ULL; |
| 1224 | writeq(val64, &bar0->tx_w_round_robin_3); |
| 1225 | val64 = 0x0001000200000000ULL; |
| 1226 | writeq(val64, &bar0->tx_w_round_robin_4); |
| 1227 | break; |
| 1228 | case 7: |
| 1229 | val64 = 0x0001020001020300ULL; |
| 1230 | writeq(val64, &bar0->tx_w_round_robin_0); |
| 1231 | val64 = 0x0102030400010203ULL; |
| 1232 | writeq(val64, &bar0->tx_w_round_robin_1); |
| 1233 | val64 = 0x0405060001020001ULL; |
| 1234 | writeq(val64, &bar0->tx_w_round_robin_2); |
| 1235 | val64 = 0x0304050000010200ULL; |
| 1236 | writeq(val64, &bar0->tx_w_round_robin_3); |
| 1237 | val64 = 0x0102030000000000ULL; |
| 1238 | writeq(val64, &bar0->tx_w_round_robin_4); |
| 1239 | break; |
| 1240 | case 8: |
| 1241 | val64 = 0x0001020300040105ULL; |
| 1242 | writeq(val64, &bar0->tx_w_round_robin_0); |
| 1243 | val64 = 0x0200030106000204ULL; |
| 1244 | writeq(val64, &bar0->tx_w_round_robin_1); |
| 1245 | val64 = 0x0103000502010007ULL; |
| 1246 | writeq(val64, &bar0->tx_w_round_robin_2); |
| 1247 | val64 = 0x0304010002060500ULL; |
| 1248 | writeq(val64, &bar0->tx_w_round_robin_3); |
| 1249 | val64 = 0x0103020400000000ULL; |
| 1250 | writeq(val64, &bar0->tx_w_round_robin_4); |
| 1251 | break; |
| 1252 | } |
| 1253 | |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 1254 | /* Enable all configured Tx FIFO partitions */ |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 1255 | val64 = readq(&bar0->tx_fifo_partition_0); |
| 1256 | val64 |= (TX_FIFO_PARTITION_EN); |
| 1257 | writeq(val64, &bar0->tx_fifo_partition_0); |
| 1258 | |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1259 | /* Filling the Rx round robin registers as per the |
| 1260 | * number of Rings and steering based on QoS. |
| 1261 | */ |
| 1262 | switch (config->rx_ring_num) { |
| 1263 | case 1: |
| 1264 | val64 = 0x8080808080808080ULL; |
| 1265 | writeq(val64, &bar0->rts_qos_steering); |
| 1266 | break; |
| 1267 | case 2: |
| 1268 | val64 = 0x0000010000010000ULL; |
| 1269 | writeq(val64, &bar0->rx_w_round_robin_0); |
| 1270 | val64 = 0x0100000100000100ULL; |
| 1271 | writeq(val64, &bar0->rx_w_round_robin_1); |
| 1272 | val64 = 0x0001000001000001ULL; |
| 1273 | writeq(val64, &bar0->rx_w_round_robin_2); |
| 1274 | val64 = 0x0000010000010000ULL; |
| 1275 | writeq(val64, &bar0->rx_w_round_robin_3); |
| 1276 | val64 = 0x0100000000000000ULL; |
| 1277 | writeq(val64, &bar0->rx_w_round_robin_4); |
| 1278 | |
| 1279 | val64 = 0x8080808040404040ULL; |
| 1280 | writeq(val64, &bar0->rts_qos_steering); |
| 1281 | break; |
| 1282 | case 3: |
| 1283 | val64 = 0x0001000102000001ULL; |
| 1284 | writeq(val64, &bar0->rx_w_round_robin_0); |
| 1285 | val64 = 0x0001020000010001ULL; |
| 1286 | writeq(val64, &bar0->rx_w_round_robin_1); |
| 1287 | val64 = 0x0200000100010200ULL; |
| 1288 | writeq(val64, &bar0->rx_w_round_robin_2); |
| 1289 | val64 = 0x0001000102000001ULL; |
| 1290 | writeq(val64, &bar0->rx_w_round_robin_3); |
| 1291 | val64 = 0x0001020000000000ULL; |
| 1292 | writeq(val64, &bar0->rx_w_round_robin_4); |
| 1293 | |
| 1294 | val64 = 0x8080804040402020ULL; |
| 1295 | writeq(val64, &bar0->rts_qos_steering); |
| 1296 | break; |
| 1297 | case 4: |
| 1298 | val64 = 0x0001020300010200ULL; |
| 1299 | writeq(val64, &bar0->rx_w_round_robin_0); |
| 1300 | val64 = 0x0100000102030001ULL; |
| 1301 | writeq(val64, &bar0->rx_w_round_robin_1); |
| 1302 | val64 = 0x0200010000010203ULL; |
| 1303 | writeq(val64, &bar0->rx_w_round_robin_2); |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 1304 | val64 = 0x0001020001000001ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1305 | writeq(val64, &bar0->rx_w_round_robin_3); |
| 1306 | val64 = 0x0203000100000000ULL; |
| 1307 | writeq(val64, &bar0->rx_w_round_robin_4); |
| 1308 | |
| 1309 | val64 = 0x8080404020201010ULL; |
| 1310 | writeq(val64, &bar0->rts_qos_steering); |
| 1311 | break; |
| 1312 | case 5: |
| 1313 | val64 = 0x0001000203000102ULL; |
| 1314 | writeq(val64, &bar0->rx_w_round_robin_0); |
| 1315 | val64 = 0x0001020001030004ULL; |
| 1316 | writeq(val64, &bar0->rx_w_round_robin_1); |
| 1317 | val64 = 0x0001000203000102ULL; |
| 1318 | writeq(val64, &bar0->rx_w_round_robin_2); |
| 1319 | val64 = 0x0001020001030004ULL; |
| 1320 | writeq(val64, &bar0->rx_w_round_robin_3); |
| 1321 | val64 = 0x0001000000000000ULL; |
| 1322 | writeq(val64, &bar0->rx_w_round_robin_4); |
| 1323 | |
| 1324 | val64 = 0x8080404020201008ULL; |
| 1325 | writeq(val64, &bar0->rts_qos_steering); |
| 1326 | break; |
| 1327 | case 6: |
| 1328 | val64 = 0x0001020304000102ULL; |
| 1329 | writeq(val64, &bar0->rx_w_round_robin_0); |
| 1330 | val64 = 0x0304050001020001ULL; |
| 1331 | writeq(val64, &bar0->rx_w_round_robin_1); |
| 1332 | val64 = 0x0203000100000102ULL; |
| 1333 | writeq(val64, &bar0->rx_w_round_robin_2); |
| 1334 | val64 = 0x0304000102030405ULL; |
| 1335 | writeq(val64, &bar0->rx_w_round_robin_3); |
| 1336 | val64 = 0x0001000200000000ULL; |
| 1337 | writeq(val64, &bar0->rx_w_round_robin_4); |
| 1338 | |
| 1339 | val64 = 0x8080404020100804ULL; |
| 1340 | writeq(val64, &bar0->rts_qos_steering); |
| 1341 | break; |
| 1342 | case 7: |
| 1343 | val64 = 0x0001020001020300ULL; |
| 1344 | writeq(val64, &bar0->rx_w_round_robin_0); |
| 1345 | val64 = 0x0102030400010203ULL; |
| 1346 | writeq(val64, &bar0->rx_w_round_robin_1); |
| 1347 | val64 = 0x0405060001020001ULL; |
| 1348 | writeq(val64, &bar0->rx_w_round_robin_2); |
| 1349 | val64 = 0x0304050000010200ULL; |
| 1350 | writeq(val64, &bar0->rx_w_round_robin_3); |
| 1351 | val64 = 0x0102030000000000ULL; |
| 1352 | writeq(val64, &bar0->rx_w_round_robin_4); |
| 1353 | |
| 1354 | val64 = 0x8080402010080402ULL; |
| 1355 | writeq(val64, &bar0->rts_qos_steering); |
| 1356 | break; |
| 1357 | case 8: |
| 1358 | val64 = 0x0001020300040105ULL; |
| 1359 | writeq(val64, &bar0->rx_w_round_robin_0); |
| 1360 | val64 = 0x0200030106000204ULL; |
| 1361 | writeq(val64, &bar0->rx_w_round_robin_1); |
| 1362 | val64 = 0x0103000502010007ULL; |
| 1363 | writeq(val64, &bar0->rx_w_round_robin_2); |
| 1364 | val64 = 0x0304010002060500ULL; |
| 1365 | writeq(val64, &bar0->rx_w_round_robin_3); |
| 1366 | val64 = 0x0103020400000000ULL; |
| 1367 | writeq(val64, &bar0->rx_w_round_robin_4); |
| 1368 | |
| 1369 | val64 = 0x8040201008040201ULL; |
| 1370 | writeq(val64, &bar0->rts_qos_steering); |
| 1371 | break; |
| 1372 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1373 | |
| 1374 | /* UDP Fix */ |
| 1375 | val64 = 0; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1376 | for (i = 0; i < 8; i++) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1377 | writeq(val64, &bar0->rts_frm_len_n[i]); |
| 1378 | |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1379 | /* Set the default rts frame length for the rings configured */ |
| 1380 | val64 = MAC_RTS_FRM_LEN_SET(dev->mtu+22); |
| 1381 | for (i = 0 ; i < config->rx_ring_num ; i++) |
| 1382 | writeq(val64, &bar0->rts_frm_len_n[i]); |
| 1383 | |
| 1384 | /* Set the frame length for the configured rings |
| 1385 | * desired by the user |
| 1386 | */ |
| 1387 | for (i = 0; i < config->rx_ring_num; i++) { |
| 1388 | /* If rts_frm_len[i] == 0 then it is assumed that user not |
| 1389 | * specified frame length steering. |
| 1390 | * If the user provides the frame length then program |
| 1391 | * the rts_frm_len register for those values or else |
| 1392 | * leave it as it is. |
| 1393 | */ |
| 1394 | if (rts_frm_len[i] != 0) { |
| 1395 | writeq(MAC_RTS_FRM_LEN_SET(rts_frm_len[i]), |
| 1396 | &bar0->rts_frm_len_n[i]); |
| 1397 | } |
| 1398 | } |
Sivakumar Subramani | 926930b | 2007-02-24 01:59:39 -0500 | [diff] [blame] | 1399 | |
Sivakumar Subramani | 9fc93a4 | 2007-02-24 01:57:32 -0500 | [diff] [blame] | 1400 | /* Disable differentiated services steering logic */ |
| 1401 | for (i = 0; i < 64; i++) { |
| 1402 | if (rts_ds_steer(nic, i, 0) == FAILURE) { |
| 1403 | DBG_PRINT(ERR_DBG, "%s: failed rts ds steering", |
| 1404 | dev->name); |
| 1405 | DBG_PRINT(ERR_DBG, "set on codepoint %d\n", i); |
| 1406 | return FAILURE; |
| 1407 | } |
| 1408 | } |
| 1409 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1410 | /* Program statistics memory */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1411 | writeq(mac_control->stats_mem_phy, &bar0->stat_addr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1412 | |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1413 | if (nic->device_type == XFRAME_II_DEVICE) { |
| 1414 | val64 = STAT_BC(0x320); |
| 1415 | writeq(val64, &bar0->stat_byte_cnt); |
| 1416 | } |
| 1417 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1418 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1419 | * Initializing the sampling rate for the device to calculate the |
| 1420 | * bandwidth utilization. |
| 1421 | */ |
| 1422 | val64 = MAC_TX_LINK_UTIL_VAL(tmac_util_period) | |
| 1423 | MAC_RX_LINK_UTIL_VAL(rmac_util_period); |
| 1424 | writeq(val64, &bar0->mac_link_util); |
| 1425 | |
| 1426 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1427 | /* |
| 1428 | * Initializing the Transmit and Receive Traffic Interrupt |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1429 | * Scheme. |
| 1430 | */ |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1431 | /* |
| 1432 | * TTI Initialization. Default Tx timer gets us about |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1433 | * 250 interrupts per sec. Continuous interrupts are enabled |
| 1434 | * by default. |
| 1435 | */ |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1436 | if (nic->device_type == XFRAME_II_DEVICE) { |
| 1437 | int count = (nic->config.bus_speed * 125)/2; |
| 1438 | val64 = TTI_DATA1_MEM_TX_TIMER_VAL(count); |
| 1439 | } else { |
| 1440 | |
| 1441 | val64 = TTI_DATA1_MEM_TX_TIMER_VAL(0x2078); |
| 1442 | } |
| 1443 | val64 |= TTI_DATA1_MEM_TX_URNG_A(0xA) | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1444 | TTI_DATA1_MEM_TX_URNG_B(0x10) | |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1445 | TTI_DATA1_MEM_TX_URNG_C(0x30) | TTI_DATA1_MEM_TX_TIMER_AC_EN; |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1446 | if (use_continuous_tx_intrs) |
| 1447 | val64 |= TTI_DATA1_MEM_TX_TIMER_CI_EN; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1448 | writeq(val64, &bar0->tti_data1_mem); |
| 1449 | |
| 1450 | val64 = TTI_DATA2_MEM_TX_UFC_A(0x10) | |
| 1451 | TTI_DATA2_MEM_TX_UFC_B(0x20) | |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 1452 | TTI_DATA2_MEM_TX_UFC_C(0x40) | TTI_DATA2_MEM_TX_UFC_D(0x80); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1453 | writeq(val64, &bar0->tti_data2_mem); |
| 1454 | |
| 1455 | val64 = TTI_CMD_MEM_WE | TTI_CMD_MEM_STROBE_NEW_CMD; |
| 1456 | writeq(val64, &bar0->tti_command_mem); |
| 1457 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1458 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1459 | * Once the operation completes, the Strobe bit of the command |
| 1460 | * register will be reset. We poll for this particular condition |
| 1461 | * We wait for a maximum of 500ms for the operation to complete, |
| 1462 | * if it's not complete by then we return error. |
| 1463 | */ |
| 1464 | time = 0; |
| 1465 | while (TRUE) { |
| 1466 | val64 = readq(&bar0->tti_command_mem); |
| 1467 | if (!(val64 & TTI_CMD_MEM_STROBE_NEW_CMD)) { |
| 1468 | break; |
| 1469 | } |
| 1470 | if (time > 10) { |
| 1471 | DBG_PRINT(ERR_DBG, "%s: TTI init Failed\n", |
| 1472 | dev->name); |
| 1473 | return -1; |
| 1474 | } |
| 1475 | msleep(50); |
| 1476 | time++; |
| 1477 | } |
| 1478 | |
raghavendra.koushik@neterion.com | b6e3f98 | 2005-08-03 12:38:01 -0700 | [diff] [blame] | 1479 | if (nic->config.bimodal) { |
| 1480 | int k = 0; |
| 1481 | for (k = 0; k < config->rx_ring_num; k++) { |
| 1482 | val64 = TTI_CMD_MEM_WE | TTI_CMD_MEM_STROBE_NEW_CMD; |
| 1483 | val64 |= TTI_CMD_MEM_OFFSET(0x38+k); |
| 1484 | writeq(val64, &bar0->tti_command_mem); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1485 | |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1486 | /* |
raghavendra.koushik@neterion.com | b6e3f98 | 2005-08-03 12:38:01 -0700 | [diff] [blame] | 1487 | * Once the operation completes, the Strobe bit of the command |
| 1488 | * register will be reset. We poll for this particular condition |
| 1489 | * We wait for a maximum of 500ms for the operation to complete, |
| 1490 | * if it's not complete by then we return error. |
| 1491 | */ |
| 1492 | time = 0; |
| 1493 | while (TRUE) { |
| 1494 | val64 = readq(&bar0->tti_command_mem); |
| 1495 | if (!(val64 & TTI_CMD_MEM_STROBE_NEW_CMD)) { |
| 1496 | break; |
| 1497 | } |
| 1498 | if (time > 10) { |
| 1499 | DBG_PRINT(ERR_DBG, |
| 1500 | "%s: TTI init Failed\n", |
| 1501 | dev->name); |
| 1502 | return -1; |
| 1503 | } |
| 1504 | time++; |
| 1505 | msleep(50); |
| 1506 | } |
| 1507 | } |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1508 | } else { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1509 | |
raghavendra.koushik@neterion.com | b6e3f98 | 2005-08-03 12:38:01 -0700 | [diff] [blame] | 1510 | /* RTI Initialization */ |
| 1511 | if (nic->device_type == XFRAME_II_DEVICE) { |
| 1512 | /* |
| 1513 | * Programmed to generate Apprx 500 Intrs per |
| 1514 | * second |
| 1515 | */ |
| 1516 | int count = (nic->config.bus_speed * 125)/4; |
| 1517 | val64 = RTI_DATA1_MEM_RX_TIMER_VAL(count); |
| 1518 | } else { |
| 1519 | val64 = RTI_DATA1_MEM_RX_TIMER_VAL(0xFFF); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1520 | } |
raghavendra.koushik@neterion.com | b6e3f98 | 2005-08-03 12:38:01 -0700 | [diff] [blame] | 1521 | val64 |= RTI_DATA1_MEM_RX_URNG_A(0xA) | |
| 1522 | RTI_DATA1_MEM_RX_URNG_B(0x10) | |
| 1523 | RTI_DATA1_MEM_RX_URNG_C(0x30) | RTI_DATA1_MEM_RX_TIMER_AC_EN; |
| 1524 | |
| 1525 | writeq(val64, &bar0->rti_data1_mem); |
| 1526 | |
| 1527 | val64 = RTI_DATA2_MEM_RX_UFC_A(0x1) | |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 1528 | RTI_DATA2_MEM_RX_UFC_B(0x2) ; |
| 1529 | if (nic->intr_type == MSI_X) |
| 1530 | val64 |= (RTI_DATA2_MEM_RX_UFC_C(0x20) | \ |
| 1531 | RTI_DATA2_MEM_RX_UFC_D(0x40)); |
| 1532 | else |
| 1533 | val64 |= (RTI_DATA2_MEM_RX_UFC_C(0x40) | \ |
| 1534 | RTI_DATA2_MEM_RX_UFC_D(0x80)); |
raghavendra.koushik@neterion.com | b6e3f98 | 2005-08-03 12:38:01 -0700 | [diff] [blame] | 1535 | writeq(val64, &bar0->rti_data2_mem); |
| 1536 | |
| 1537 | for (i = 0; i < config->rx_ring_num; i++) { |
| 1538 | val64 = RTI_CMD_MEM_WE | RTI_CMD_MEM_STROBE_NEW_CMD |
| 1539 | | RTI_CMD_MEM_OFFSET(i); |
| 1540 | writeq(val64, &bar0->rti_command_mem); |
| 1541 | |
| 1542 | /* |
| 1543 | * Once the operation completes, the Strobe bit of the |
| 1544 | * command register will be reset. We poll for this |
| 1545 | * particular condition. We wait for a maximum of 500ms |
| 1546 | * for the operation to complete, if it's not complete |
| 1547 | * by then we return error. |
| 1548 | */ |
| 1549 | time = 0; |
| 1550 | while (TRUE) { |
| 1551 | val64 = readq(&bar0->rti_command_mem); |
| 1552 | if (!(val64 & RTI_CMD_MEM_STROBE_NEW_CMD)) { |
| 1553 | break; |
| 1554 | } |
| 1555 | if (time > 10) { |
| 1556 | DBG_PRINT(ERR_DBG, "%s: RTI init Failed\n", |
| 1557 | dev->name); |
| 1558 | return -1; |
| 1559 | } |
| 1560 | time++; |
| 1561 | msleep(50); |
| 1562 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1563 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1564 | } |
| 1565 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1566 | /* |
| 1567 | * Initializing proper values as Pause threshold into all |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1568 | * the 8 Queues on Rx side. |
| 1569 | */ |
| 1570 | writeq(0xffbbffbbffbbffbbULL, &bar0->mc_pause_thresh_q0q3); |
| 1571 | writeq(0xffbbffbbffbbffbbULL, &bar0->mc_pause_thresh_q4q7); |
| 1572 | |
| 1573 | /* Disable RMAC PAD STRIPPING */ |
viro@ftp.linux.org.uk | 509a267 | 2005-09-05 03:25:58 +0100 | [diff] [blame] | 1574 | add = &bar0->mac_cfg; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1575 | val64 = readq(&bar0->mac_cfg); |
| 1576 | val64 &= ~(MAC_CFG_RMAC_STRIP_PAD); |
| 1577 | writeq(RMAC_CFG_KEY(0x4C0D), &bar0->rmac_cfg_key); |
| 1578 | writel((u32) (val64), add); |
| 1579 | writeq(RMAC_CFG_KEY(0x4C0D), &bar0->rmac_cfg_key); |
| 1580 | writel((u32) (val64 >> 32), (add + 4)); |
| 1581 | val64 = readq(&bar0->mac_cfg); |
| 1582 | |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 1583 | /* Enable FCS stripping by adapter */ |
| 1584 | add = &bar0->mac_cfg; |
| 1585 | val64 = readq(&bar0->mac_cfg); |
| 1586 | val64 |= MAC_CFG_RMAC_STRIP_FCS; |
| 1587 | if (nic->device_type == XFRAME_II_DEVICE) |
| 1588 | writeq(val64, &bar0->mac_cfg); |
| 1589 | else { |
| 1590 | writeq(RMAC_CFG_KEY(0x4C0D), &bar0->rmac_cfg_key); |
| 1591 | writel((u32) (val64), add); |
| 1592 | writeq(RMAC_CFG_KEY(0x4C0D), &bar0->rmac_cfg_key); |
| 1593 | writel((u32) (val64 >> 32), (add + 4)); |
| 1594 | } |
| 1595 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1596 | /* |
| 1597 | * Set the time value to be inserted in the pause frame |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1598 | * generated by xena. |
| 1599 | */ |
| 1600 | val64 = readq(&bar0->rmac_pause_cfg); |
| 1601 | val64 &= ~(RMAC_PAUSE_HG_PTIME(0xffff)); |
| 1602 | val64 |= RMAC_PAUSE_HG_PTIME(nic->mac_control.rmac_pause_time); |
| 1603 | writeq(val64, &bar0->rmac_pause_cfg); |
| 1604 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1605 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1606 | * Set the Threshold Limit for Generating the pause frame |
| 1607 | * If the amount of data in any Queue exceeds ratio of |
| 1608 | * (mac_control.mc_pause_threshold_q0q3 or q4q7)/256 |
| 1609 | * pause frame is generated |
| 1610 | */ |
| 1611 | val64 = 0; |
| 1612 | for (i = 0; i < 4; i++) { |
| 1613 | val64 |= |
| 1614 | (((u64) 0xFF00 | nic->mac_control. |
| 1615 | mc_pause_threshold_q0q3) |
| 1616 | << (i * 2 * 8)); |
| 1617 | } |
| 1618 | writeq(val64, &bar0->mc_pause_thresh_q0q3); |
| 1619 | |
| 1620 | val64 = 0; |
| 1621 | for (i = 0; i < 4; i++) { |
| 1622 | val64 |= |
| 1623 | (((u64) 0xFF00 | nic->mac_control. |
| 1624 | mc_pause_threshold_q4q7) |
| 1625 | << (i * 2 * 8)); |
| 1626 | } |
| 1627 | writeq(val64, &bar0->mc_pause_thresh_q4q7); |
| 1628 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1629 | /* |
| 1630 | * TxDMA will stop Read request if the number of read split has |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1631 | * exceeded the limit pointed by shared_splits |
| 1632 | */ |
| 1633 | val64 = readq(&bar0->pic_control); |
| 1634 | val64 |= PIC_CNTL_SHARED_SPLITS(shared_splits); |
| 1635 | writeq(val64, &bar0->pic_control); |
| 1636 | |
Ananda Raju | 863c11a | 2006-04-21 19:03:13 -0400 | [diff] [blame] | 1637 | if (nic->config.bus_speed == 266) { |
| 1638 | writeq(TXREQTO_VAL(0x7f) | TXREQTO_EN, &bar0->txreqtimeout); |
| 1639 | writeq(0x0, &bar0->read_retry_delay); |
| 1640 | writeq(0x0, &bar0->write_retry_delay); |
| 1641 | } |
| 1642 | |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1643 | /* |
| 1644 | * Programming the Herc to split every write transaction |
| 1645 | * that does not start on an ADB to reduce disconnects. |
| 1646 | */ |
| 1647 | if (nic->device_type == XFRAME_II_DEVICE) { |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 1648 | val64 = FAULT_BEHAVIOUR | EXT_REQ_EN | |
| 1649 | MISC_LINK_STABILITY_PRD(3); |
Ananda Raju | 863c11a | 2006-04-21 19:03:13 -0400 | [diff] [blame] | 1650 | writeq(val64, &bar0->misc_control); |
| 1651 | val64 = readq(&bar0->pic_control2); |
| 1652 | val64 &= ~(BIT(13)|BIT(14)|BIT(15)); |
| 1653 | writeq(val64, &bar0->pic_control2); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1654 | } |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 1655 | if (strstr(nic->product_name, "CX4")) { |
| 1656 | val64 = TMAC_AVG_IPG(0x17); |
| 1657 | writeq(val64, &bar0->tmac_avg_ipg); |
raghavendra.koushik@neterion.com | a371a07 | 2005-08-03 12:38:59 -0700 | [diff] [blame] | 1658 | } |
| 1659 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1660 | return SUCCESS; |
| 1661 | } |
raghavendra.koushik@neterion.com | a371a07 | 2005-08-03 12:38:59 -0700 | [diff] [blame] | 1662 | #define LINK_UP_DOWN_INTERRUPT 1 |
| 1663 | #define MAC_RMAC_ERR_TIMER 2 |
| 1664 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 1665 | static int s2io_link_fault_indication(struct s2io_nic *nic) |
raghavendra.koushik@neterion.com | a371a07 | 2005-08-03 12:38:59 -0700 | [diff] [blame] | 1666 | { |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 1667 | if (nic->intr_type != INTA) |
| 1668 | return MAC_RMAC_ERR_TIMER; |
raghavendra.koushik@neterion.com | a371a07 | 2005-08-03 12:38:59 -0700 | [diff] [blame] | 1669 | if (nic->device_type == XFRAME_II_DEVICE) |
| 1670 | return LINK_UP_DOWN_INTERRUPT; |
| 1671 | else |
| 1672 | return MAC_RMAC_ERR_TIMER; |
| 1673 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1674 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1675 | /** |
| 1676 | * en_dis_able_nic_intrs - Enable or Disable the interrupts |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1677 | * @nic: device private variable, |
| 1678 | * @mask: A mask indicating which Intr block must be modified and, |
| 1679 | * @flag: A flag indicating whether to enable or disable the Intrs. |
| 1680 | * Description: This function will either disable or enable the interrupts |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1681 | * depending on the flag argument. The mask argument can be used to |
| 1682 | * enable/disable any Intr block. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1683 | * Return Value: NONE. |
| 1684 | */ |
| 1685 | |
| 1686 | static void en_dis_able_nic_intrs(struct s2io_nic *nic, u16 mask, int flag) |
| 1687 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 1688 | struct XENA_dev_config __iomem *bar0 = nic->bar0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1689 | register u64 val64 = 0, temp64 = 0; |
| 1690 | |
| 1691 | /* Top level interrupt classification */ |
| 1692 | /* PIC Interrupts */ |
| 1693 | if ((mask & (TX_PIC_INTR | RX_PIC_INTR))) { |
| 1694 | /* Enable PIC Intrs in the general intr mask register */ |
Sivakumar Subramani | a113ae0 | 2007-01-31 14:05:51 -0500 | [diff] [blame] | 1695 | val64 = TXPIC_INT_M; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1696 | if (flag == ENABLE_INTRS) { |
| 1697 | temp64 = readq(&bar0->general_int_mask); |
| 1698 | temp64 &= ~((u64) val64); |
| 1699 | writeq(temp64, &bar0->general_int_mask); |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1700 | /* |
raghavendra.koushik@neterion.com | a371a07 | 2005-08-03 12:38:59 -0700 | [diff] [blame] | 1701 | * If Hercules adapter enable GPIO otherwise |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 1702 | * disable all PCIX, Flash, MDIO, IIC and GPIO |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1703 | * interrupts for now. |
| 1704 | * TODO |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1705 | */ |
raghavendra.koushik@neterion.com | a371a07 | 2005-08-03 12:38:59 -0700 | [diff] [blame] | 1706 | if (s2io_link_fault_indication(nic) == |
| 1707 | LINK_UP_DOWN_INTERRUPT ) { |
| 1708 | temp64 = readq(&bar0->pic_int_mask); |
| 1709 | temp64 &= ~((u64) PIC_INT_GPIO); |
| 1710 | writeq(temp64, &bar0->pic_int_mask); |
| 1711 | temp64 = readq(&bar0->gpio_int_mask); |
| 1712 | temp64 &= ~((u64) GPIO_INT_MASK_LINK_UP); |
| 1713 | writeq(temp64, &bar0->gpio_int_mask); |
| 1714 | } else { |
| 1715 | writeq(DISABLE_ALL_INTRS, &bar0->pic_int_mask); |
| 1716 | } |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1717 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1718 | * No MSI Support is available presently, so TTI and |
| 1719 | * RTI interrupts are also disabled. |
| 1720 | */ |
| 1721 | } else if (flag == DISABLE_INTRS) { |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1722 | /* |
| 1723 | * Disable PIC Intrs in the general |
| 1724 | * intr mask register |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1725 | */ |
| 1726 | writeq(DISABLE_ALL_INTRS, &bar0->pic_int_mask); |
| 1727 | temp64 = readq(&bar0->general_int_mask); |
| 1728 | val64 |= temp64; |
| 1729 | writeq(val64, &bar0->general_int_mask); |
| 1730 | } |
| 1731 | } |
| 1732 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1733 | /* MAC Interrupts */ |
| 1734 | /* Enabling/Disabling MAC interrupts */ |
| 1735 | if (mask & (TX_MAC_INTR | RX_MAC_INTR)) { |
| 1736 | val64 = TXMAC_INT_M | RXMAC_INT_M; |
| 1737 | if (flag == ENABLE_INTRS) { |
| 1738 | temp64 = readq(&bar0->general_int_mask); |
| 1739 | temp64 &= ~((u64) val64); |
| 1740 | writeq(temp64, &bar0->general_int_mask); |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1741 | /* |
| 1742 | * All MAC block error interrupts are disabled for now |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1743 | * TODO |
| 1744 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1745 | } else if (flag == DISABLE_INTRS) { |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1746 | /* |
| 1747 | * Disable MAC Intrs in the general intr mask register |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1748 | */ |
| 1749 | writeq(DISABLE_ALL_INTRS, &bar0->mac_int_mask); |
| 1750 | writeq(DISABLE_ALL_INTRS, |
| 1751 | &bar0->mac_rmac_err_mask); |
| 1752 | |
| 1753 | temp64 = readq(&bar0->general_int_mask); |
| 1754 | val64 |= temp64; |
| 1755 | writeq(val64, &bar0->general_int_mask); |
| 1756 | } |
| 1757 | } |
| 1758 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1759 | /* Tx traffic interrupts */ |
| 1760 | if (mask & TX_TRAFFIC_INTR) { |
| 1761 | val64 = TXTRAFFIC_INT_M; |
| 1762 | if (flag == ENABLE_INTRS) { |
| 1763 | temp64 = readq(&bar0->general_int_mask); |
| 1764 | temp64 &= ~((u64) val64); |
| 1765 | writeq(temp64, &bar0->general_int_mask); |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1766 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1767 | * Enable all the Tx side interrupts |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1768 | * writing 0 Enables all 64 TX interrupt levels |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1769 | */ |
| 1770 | writeq(0x0, &bar0->tx_traffic_mask); |
| 1771 | } else if (flag == DISABLE_INTRS) { |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1772 | /* |
| 1773 | * Disable Tx Traffic Intrs in the general intr mask |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1774 | * register. |
| 1775 | */ |
| 1776 | writeq(DISABLE_ALL_INTRS, &bar0->tx_traffic_mask); |
| 1777 | temp64 = readq(&bar0->general_int_mask); |
| 1778 | val64 |= temp64; |
| 1779 | writeq(val64, &bar0->general_int_mask); |
| 1780 | } |
| 1781 | } |
| 1782 | |
| 1783 | /* Rx traffic interrupts */ |
| 1784 | if (mask & RX_TRAFFIC_INTR) { |
| 1785 | val64 = RXTRAFFIC_INT_M; |
| 1786 | if (flag == ENABLE_INTRS) { |
| 1787 | temp64 = readq(&bar0->general_int_mask); |
| 1788 | temp64 &= ~((u64) val64); |
| 1789 | writeq(temp64, &bar0->general_int_mask); |
| 1790 | /* writing 0 Enables all 8 RX interrupt levels */ |
| 1791 | writeq(0x0, &bar0->rx_traffic_mask); |
| 1792 | } else if (flag == DISABLE_INTRS) { |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1793 | /* |
| 1794 | * Disable Rx Traffic Intrs in the general intr mask |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1795 | * register. |
| 1796 | */ |
| 1797 | writeq(DISABLE_ALL_INTRS, &bar0->rx_traffic_mask); |
| 1798 | temp64 = readq(&bar0->general_int_mask); |
| 1799 | val64 |= temp64; |
| 1800 | writeq(val64, &bar0->general_int_mask); |
| 1801 | } |
| 1802 | } |
| 1803 | } |
| 1804 | |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 1805 | /** |
| 1806 | * verify_pcc_quiescent- Checks for PCC quiescent state |
| 1807 | * Return: 1 If PCC is quiescence |
| 1808 | * 0 If PCC is not quiescence |
| 1809 | */ |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 1810 | 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] | 1811 | { |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 1812 | int ret = 0, herc; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 1813 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 1814 | u64 val64 = readq(&bar0->adapter_status); |
| 1815 | |
| 1816 | herc = (sp->device_type == XFRAME_II_DEVICE); |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1817 | |
| 1818 | if (flag == FALSE) { |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 1819 | if ((!herc && (get_xena_rev_id(sp->pdev) >= 4)) || herc) { |
| 1820 | if (!(val64 & ADAPTER_STATUS_RMAC_PCC_IDLE)) |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1821 | ret = 1; |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 1822 | } else { |
| 1823 | if (!(val64 & ADAPTER_STATUS_RMAC_PCC_FOUR_IDLE)) |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1824 | ret = 1; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1825 | } |
| 1826 | } else { |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 1827 | if ((!herc && (get_xena_rev_id(sp->pdev) >= 4)) || herc) { |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1828 | if (((val64 & ADAPTER_STATUS_RMAC_PCC_IDLE) == |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 1829 | ADAPTER_STATUS_RMAC_PCC_IDLE)) |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1830 | ret = 1; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1831 | } else { |
| 1832 | if (((val64 & ADAPTER_STATUS_RMAC_PCC_FOUR_IDLE) == |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 1833 | ADAPTER_STATUS_RMAC_PCC_FOUR_IDLE)) |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1834 | ret = 1; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1835 | } |
| 1836 | } |
| 1837 | |
| 1838 | return ret; |
| 1839 | } |
| 1840 | /** |
| 1841 | * verify_xena_quiescence - Checks whether the H/W is ready |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1842 | * 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] | 1843 | * on whether adapter enable bit was written or not the comparison |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1844 | * differs and the calling function passes the input argument flag to |
| 1845 | * indicate this. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1846 | * Return: 1 If xena is quiescence |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1847 | * 0 If Xena is not quiescence |
| 1848 | */ |
| 1849 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 1850 | static int verify_xena_quiescence(struct s2io_nic *sp) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1851 | { |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 1852 | int mode; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 1853 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 1854 | u64 val64 = readq(&bar0->adapter_status); |
| 1855 | mode = s2io_verify_pci_mode(sp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1856 | |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 1857 | if (!(val64 & ADAPTER_STATUS_TDMA_READY)) { |
| 1858 | DBG_PRINT(ERR_DBG, "%s", "TDMA is not ready!"); |
| 1859 | return 0; |
| 1860 | } |
| 1861 | if (!(val64 & ADAPTER_STATUS_RDMA_READY)) { |
| 1862 | DBG_PRINT(ERR_DBG, "%s", "RDMA is not ready!"); |
| 1863 | return 0; |
| 1864 | } |
| 1865 | if (!(val64 & ADAPTER_STATUS_PFC_READY)) { |
| 1866 | DBG_PRINT(ERR_DBG, "%s", "PFC is not ready!"); |
| 1867 | return 0; |
| 1868 | } |
| 1869 | if (!(val64 & ADAPTER_STATUS_TMAC_BUF_EMPTY)) { |
| 1870 | DBG_PRINT(ERR_DBG, "%s", "TMAC BUF is not empty!"); |
| 1871 | return 0; |
| 1872 | } |
| 1873 | if (!(val64 & ADAPTER_STATUS_PIC_QUIESCENT)) { |
| 1874 | DBG_PRINT(ERR_DBG, "%s", "PIC is not QUIESCENT!"); |
| 1875 | return 0; |
| 1876 | } |
| 1877 | if (!(val64 & ADAPTER_STATUS_MC_DRAM_READY)) { |
| 1878 | DBG_PRINT(ERR_DBG, "%s", "MC_DRAM is not ready!"); |
| 1879 | return 0; |
| 1880 | } |
| 1881 | if (!(val64 & ADAPTER_STATUS_MC_QUEUES_READY)) { |
| 1882 | DBG_PRINT(ERR_DBG, "%s", "MC_QUEUES is not ready!"); |
| 1883 | return 0; |
| 1884 | } |
| 1885 | if (!(val64 & ADAPTER_STATUS_M_PLL_LOCK)) { |
| 1886 | DBG_PRINT(ERR_DBG, "%s", "M_PLL is not locked!"); |
| 1887 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1888 | } |
| 1889 | |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 1890 | /* |
| 1891 | * In PCI 33 mode, the P_PLL is not used, and therefore, |
| 1892 | * the the P_PLL_LOCK bit in the adapter_status register will |
| 1893 | * not be asserted. |
| 1894 | */ |
| 1895 | if (!(val64 & ADAPTER_STATUS_P_PLL_LOCK) && |
| 1896 | sp->device_type == XFRAME_II_DEVICE && mode != |
| 1897 | PCI_MODE_PCI_33) { |
| 1898 | DBG_PRINT(ERR_DBG, "%s", "P_PLL is not locked!"); |
| 1899 | return 0; |
| 1900 | } |
| 1901 | if (!((val64 & ADAPTER_STATUS_RC_PRC_QUIESCENT) == |
| 1902 | ADAPTER_STATUS_RC_PRC_QUIESCENT)) { |
| 1903 | DBG_PRINT(ERR_DBG, "%s", "RC_PRC is not QUIESCENT!"); |
| 1904 | return 0; |
| 1905 | } |
| 1906 | return 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1907 | } |
| 1908 | |
| 1909 | /** |
| 1910 | * fix_mac_address - Fix for Mac addr problem on Alpha platforms |
| 1911 | * @sp: Pointer to device specifc structure |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1912 | * Description : |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1913 | * New procedure to clear mac address reading problems on Alpha platforms |
| 1914 | * |
| 1915 | */ |
| 1916 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 1917 | static void fix_mac_address(struct s2io_nic * sp) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1918 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 1919 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1920 | u64 val64; |
| 1921 | int i = 0; |
| 1922 | |
| 1923 | while (fix_mac[i] != END_SIGN) { |
| 1924 | writeq(fix_mac[i++], &bar0->gpio_control); |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1925 | udelay(10); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1926 | val64 = readq(&bar0->gpio_control); |
| 1927 | } |
| 1928 | } |
| 1929 | |
| 1930 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1931 | * start_nic - Turns the device on |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1932 | * @nic : device private variable. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1933 | * Description: |
| 1934 | * This function actually turns the device on. Before this function is |
| 1935 | * called,all Registers are configured from their reset states |
| 1936 | * and shared memory is allocated but the NIC is still quiescent. On |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1937 | * calling this function, the device interrupts are cleared and the NIC is |
| 1938 | * literally switched on by writing into the adapter control register. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1939 | * Return Value: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1940 | * SUCCESS on success and -1 on failure. |
| 1941 | */ |
| 1942 | |
| 1943 | static int start_nic(struct s2io_nic *nic) |
| 1944 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 1945 | struct XENA_dev_config __iomem *bar0 = nic->bar0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1946 | struct net_device *dev = nic->dev; |
| 1947 | register u64 val64 = 0; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1948 | u16 subid, i; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 1949 | struct mac_info *mac_control; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1950 | struct config_param *config; |
| 1951 | |
| 1952 | mac_control = &nic->mac_control; |
| 1953 | config = &nic->config; |
| 1954 | |
| 1955 | /* PRC Initialization and configuration */ |
| 1956 | for (i = 0; i < config->rx_ring_num; i++) { |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1957 | writeq((u64) mac_control->rings[i].rx_blocks[0].block_dma_addr, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1958 | &bar0->prc_rxd0_n[i]); |
| 1959 | |
| 1960 | val64 = readq(&bar0->prc_ctrl_n[i]); |
raghavendra.koushik@neterion.com | b6e3f98 | 2005-08-03 12:38:01 -0700 | [diff] [blame] | 1961 | if (nic->config.bimodal) |
| 1962 | val64 |= PRC_CTRL_BIMODAL_INTERRUPT; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 1963 | if (nic->rxd_mode == RXD_MODE_1) |
| 1964 | val64 |= PRC_CTRL_RC_ENABLED; |
| 1965 | else |
| 1966 | val64 |= PRC_CTRL_RC_ENABLED | PRC_CTRL_RING_MODE_3; |
Ananda Raju | 863c11a | 2006-04-21 19:03:13 -0400 | [diff] [blame] | 1967 | if (nic->device_type == XFRAME_II_DEVICE) |
| 1968 | val64 |= PRC_CTRL_GROUP_READS; |
| 1969 | val64 &= ~PRC_CTRL_RXD_BACKOFF_INTERVAL(0xFFFFFF); |
| 1970 | val64 |= PRC_CTRL_RXD_BACKOFF_INTERVAL(0x1000); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1971 | writeq(val64, &bar0->prc_ctrl_n[i]); |
| 1972 | } |
| 1973 | |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 1974 | if (nic->rxd_mode == RXD_MODE_3B) { |
| 1975 | /* Enabling 2 buffer mode by writing into Rx_pa_cfg reg. */ |
| 1976 | val64 = readq(&bar0->rx_pa_cfg); |
| 1977 | val64 |= RX_PA_CFG_IGNORE_L2_ERR; |
| 1978 | writeq(val64, &bar0->rx_pa_cfg); |
| 1979 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1980 | |
Sivakumar Subramani | 926930b | 2007-02-24 01:59:39 -0500 | [diff] [blame] | 1981 | if (vlan_tag_strip == 0) { |
| 1982 | val64 = readq(&bar0->rx_pa_cfg); |
| 1983 | val64 &= ~RX_PA_CFG_STRIP_VLAN_TAG; |
| 1984 | writeq(val64, &bar0->rx_pa_cfg); |
| 1985 | vlan_strip_flag = 0; |
| 1986 | } |
| 1987 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1988 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1989 | * Enabling MC-RLDRAM. After enabling the device, we timeout |
| 1990 | * for around 100ms, which is approximately the time required |
| 1991 | * for the device to be ready for operation. |
| 1992 | */ |
| 1993 | val64 = readq(&bar0->mc_rldram_mrs); |
| 1994 | val64 |= MC_RLDRAM_QUEUE_SIZE_ENABLE | MC_RLDRAM_MRS_ENABLE; |
| 1995 | SPECIAL_REG_WRITE(val64, &bar0->mc_rldram_mrs, UF); |
| 1996 | val64 = readq(&bar0->mc_rldram_mrs); |
| 1997 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1998 | msleep(100); /* Delay by around 100 ms. */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1999 | |
| 2000 | /* Enabling ECC Protection. */ |
| 2001 | val64 = readq(&bar0->adapter_control); |
| 2002 | val64 &= ~ADAPTER_ECC_EN; |
| 2003 | writeq(val64, &bar0->adapter_control); |
| 2004 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2005 | /* |
| 2006 | * Clearing any possible Link state change interrupts that |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2007 | * could have popped up just before Enabling the card. |
| 2008 | */ |
| 2009 | val64 = readq(&bar0->mac_rmac_err_reg); |
| 2010 | if (val64) |
| 2011 | writeq(val64, &bar0->mac_rmac_err_reg); |
| 2012 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2013 | /* |
| 2014 | * Verify if the device is ready to be enabled, if so enable |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2015 | * it. |
| 2016 | */ |
| 2017 | val64 = readq(&bar0->adapter_status); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 2018 | if (!verify_xena_quiescence(nic)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2019 | DBG_PRINT(ERR_DBG, "%s: device is not ready, ", dev->name); |
| 2020 | DBG_PRINT(ERR_DBG, "Adapter status reads: 0x%llx\n", |
| 2021 | (unsigned long long) val64); |
| 2022 | return FAILURE; |
| 2023 | } |
| 2024 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2025 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2026 | * 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] | 2027 | * Because of this weird behavior, when we enable laser, |
| 2028 | * we may not get link. We need to handle this. We cannot |
| 2029 | * figure out which switch is misbehaving. So we are forced to |
| 2030 | * make a global change. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2031 | */ |
| 2032 | |
| 2033 | /* Enabling Laser. */ |
| 2034 | val64 = readq(&bar0->adapter_control); |
| 2035 | val64 |= ADAPTER_EOI_TX_ON; |
| 2036 | writeq(val64, &bar0->adapter_control); |
| 2037 | |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 2038 | if (s2io_link_fault_indication(nic) == MAC_RMAC_ERR_TIMER) { |
| 2039 | /* |
| 2040 | * Dont see link state interrupts initally on some switches, |
| 2041 | * so directly scheduling the link state task here. |
| 2042 | */ |
| 2043 | schedule_work(&nic->set_link_task); |
| 2044 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2045 | /* SXE-002: Initialize link and activity LED */ |
| 2046 | subid = nic->pdev->subsystem_device; |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 2047 | if (((subid & 0xFF) >= 0x07) && |
| 2048 | (nic->device_type == XFRAME_I_DEVICE)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2049 | val64 = readq(&bar0->gpio_control); |
| 2050 | val64 |= 0x0000800000000000ULL; |
| 2051 | writeq(val64, &bar0->gpio_control); |
| 2052 | val64 = 0x0411040400000000ULL; |
viro@ftp.linux.org.uk | 509a267 | 2005-09-05 03:25:58 +0100 | [diff] [blame] | 2053 | writeq(val64, (void __iomem *)bar0 + 0x2700); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2054 | } |
| 2055 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2056 | return SUCCESS; |
| 2057 | } |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 2058 | /** |
| 2059 | * s2io_txdl_getskb - Get the skb from txdl, unmap and return skb |
| 2060 | */ |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2061 | static struct sk_buff *s2io_txdl_getskb(struct fifo_info *fifo_data, struct \ |
| 2062 | TxD *txdlp, int get_off) |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 2063 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2064 | struct s2io_nic *nic = fifo_data->nic; |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 2065 | struct sk_buff *skb; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2066 | struct TxD *txds; |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 2067 | u16 j, frg_cnt; |
| 2068 | |
| 2069 | txds = txdlp; |
Andrew Morton | 26b7625 | 2005-12-14 19:25:23 -0800 | [diff] [blame] | 2070 | if (txds->Host_Control == (u64)(long)nic->ufo_in_band_v) { |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 2071 | pci_unmap_single(nic->pdev, (dma_addr_t) |
| 2072 | txds->Buffer_Pointer, sizeof(u64), |
| 2073 | PCI_DMA_TODEVICE); |
| 2074 | txds++; |
| 2075 | } |
| 2076 | |
| 2077 | skb = (struct sk_buff *) ((unsigned long) |
| 2078 | txds->Host_Control); |
| 2079 | if (!skb) { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2080 | memset(txdlp, 0, (sizeof(struct TxD) * fifo_data->max_txds)); |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 2081 | return NULL; |
| 2082 | } |
| 2083 | pci_unmap_single(nic->pdev, (dma_addr_t) |
| 2084 | txds->Buffer_Pointer, |
| 2085 | skb->len - skb->data_len, |
| 2086 | PCI_DMA_TODEVICE); |
| 2087 | frg_cnt = skb_shinfo(skb)->nr_frags; |
| 2088 | if (frg_cnt) { |
| 2089 | txds++; |
| 2090 | for (j = 0; j < frg_cnt; j++, txds++) { |
| 2091 | skb_frag_t *frag = &skb_shinfo(skb)->frags[j]; |
| 2092 | if (!txds->Buffer_Pointer) |
| 2093 | break; |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 2094 | pci_unmap_page(nic->pdev, (dma_addr_t) |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 2095 | txds->Buffer_Pointer, |
| 2096 | frag->size, PCI_DMA_TODEVICE); |
| 2097 | } |
| 2098 | } |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2099 | memset(txdlp,0, (sizeof(struct TxD) * fifo_data->max_txds)); |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 2100 | return(skb); |
| 2101 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2102 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2103 | /** |
| 2104 | * free_tx_buffers - Free all queued Tx buffers |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2105 | * @nic : device private variable. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2106 | * Description: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2107 | * Free all queued Tx buffers. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2108 | * Return Value: void |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2109 | */ |
| 2110 | |
| 2111 | static void free_tx_buffers(struct s2io_nic *nic) |
| 2112 | { |
| 2113 | struct net_device *dev = nic->dev; |
| 2114 | struct sk_buff *skb; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2115 | struct TxD *txdp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2116 | int i, j; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2117 | struct mac_info *mac_control; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2118 | struct config_param *config; |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 2119 | int cnt = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2120 | |
| 2121 | mac_control = &nic->mac_control; |
| 2122 | config = &nic->config; |
| 2123 | |
| 2124 | for (i = 0; i < config->tx_fifo_num; i++) { |
| 2125 | for (j = 0; j < config->tx_cfg[i].fifo_len - 1; j++) { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2126 | txdp = (struct TxD *) mac_control->fifos[i].list_info[j]. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2127 | list_virt_addr; |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 2128 | skb = s2io_txdl_getskb(&mac_control->fifos[i], txdp, j); |
| 2129 | if (skb) { |
| 2130 | dev_kfree_skb(skb); |
| 2131 | cnt++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2132 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2133 | } |
| 2134 | DBG_PRINT(INTR_DBG, |
| 2135 | "%s:forcibly freeing %d skbs on FIFO%d\n", |
| 2136 | dev->name, cnt, i); |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2137 | mac_control->fifos[i].tx_curr_get_info.offset = 0; |
| 2138 | mac_control->fifos[i].tx_curr_put_info.offset = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2139 | } |
| 2140 | } |
| 2141 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2142 | /** |
| 2143 | * stop_nic - To stop the nic |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2144 | * @nic ; device private variable. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2145 | * Description: |
| 2146 | * This function does exactly the opposite of what the start_nic() |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2147 | * function does. This function is called to stop the device. |
| 2148 | * Return Value: |
| 2149 | * void. |
| 2150 | */ |
| 2151 | |
| 2152 | static void stop_nic(struct s2io_nic *nic) |
| 2153 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2154 | struct XENA_dev_config __iomem *bar0 = nic->bar0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2155 | register u64 val64 = 0; |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 2156 | u16 interruptible; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2157 | struct mac_info *mac_control; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2158 | struct config_param *config; |
| 2159 | |
| 2160 | mac_control = &nic->mac_control; |
| 2161 | config = &nic->config; |
| 2162 | |
| 2163 | /* Disable all interrupts */ |
ravinandan.arakali@neterion.com | e960fc5 | 2005-08-12 10:15:59 -0700 | [diff] [blame] | 2164 | interruptible = TX_TRAFFIC_INTR | RX_TRAFFIC_INTR; |
raghavendra.koushik@neterion.com | a371a07 | 2005-08-03 12:38:59 -0700 | [diff] [blame] | 2165 | interruptible |= TX_PIC_INTR | RX_PIC_INTR; |
| 2166 | interruptible |= TX_MAC_INTR | RX_MAC_INTR; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2167 | en_dis_able_nic_intrs(nic, interruptible, DISABLE_INTRS); |
| 2168 | |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 2169 | /* Clearing Adapter_En bit of ADAPTER_CONTROL Register */ |
| 2170 | val64 = readq(&bar0->adapter_control); |
| 2171 | val64 &= ~(ADAPTER_CNTL_EN); |
| 2172 | writeq(val64, &bar0->adapter_control); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2173 | } |
| 2174 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2175 | static int fill_rxd_3buf(struct s2io_nic *nic, struct RxD_t *rxdp, struct \ |
| 2176 | sk_buff *skb) |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2177 | { |
| 2178 | struct net_device *dev = nic->dev; |
| 2179 | struct sk_buff *frag_list; |
Jeff Garzik | 50eb800 | 2005-11-05 23:40:46 -0500 | [diff] [blame] | 2180 | void *tmp; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2181 | |
| 2182 | /* Buffer-1 receives L3/L4 headers */ |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2183 | ((struct RxD3*)rxdp)->Buffer1_ptr = pci_map_single |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2184 | (nic->pdev, skb->data, l3l4hdr_size + 4, |
| 2185 | PCI_DMA_FROMDEVICE); |
| 2186 | |
| 2187 | /* skb_shinfo(skb)->frag_list will have L4 data payload */ |
| 2188 | skb_shinfo(skb)->frag_list = dev_alloc_skb(dev->mtu + ALIGN_SIZE); |
| 2189 | if (skb_shinfo(skb)->frag_list == NULL) { |
| 2190 | DBG_PRINT(ERR_DBG, "%s: dev_alloc_skb failed\n ", dev->name); |
| 2191 | return -ENOMEM ; |
| 2192 | } |
| 2193 | frag_list = skb_shinfo(skb)->frag_list; |
Sivakumar Subramani | 372cc59 | 2007-01-31 13:32:57 -0500 | [diff] [blame] | 2194 | skb->truesize += frag_list->truesize; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2195 | frag_list->next = NULL; |
Jeff Garzik | 50eb800 | 2005-11-05 23:40:46 -0500 | [diff] [blame] | 2196 | tmp = (void *)ALIGN((long)frag_list->data, ALIGN_SIZE + 1); |
| 2197 | frag_list->data = tmp; |
Arnaldo Carvalho de Melo | 27a884d | 2007-04-19 20:29:13 -0700 | [diff] [blame] | 2198 | skb_reset_tail_pointer(frag_list); |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2199 | |
| 2200 | /* Buffer-2 receives L4 data payload */ |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2201 | ((struct RxD3*)rxdp)->Buffer2_ptr = pci_map_single(nic->pdev, |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2202 | frag_list->data, dev->mtu, |
| 2203 | PCI_DMA_FROMDEVICE); |
| 2204 | rxdp->Control_2 |= SET_BUFFER1_SIZE_3(l3l4hdr_size + 4); |
| 2205 | rxdp->Control_2 |= SET_BUFFER2_SIZE_3(dev->mtu); |
| 2206 | |
| 2207 | return SUCCESS; |
| 2208 | } |
| 2209 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2210 | /** |
| 2211 | * fill_rx_buffers - Allocates the Rx side skbs |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2212 | * @nic: device private variable |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2213 | * @ring_no: ring number |
| 2214 | * Description: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2215 | * The function allocates Rx side skbs and puts the physical |
| 2216 | * address of these buffers into the RxD buffer pointers, so that the NIC |
| 2217 | * can DMA the received frame into these locations. |
| 2218 | * The NIC supports 3 receive modes, viz |
| 2219 | * 1. single buffer, |
| 2220 | * 2. three buffer and |
| 2221 | * 3. Five buffer modes. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2222 | * Each mode defines how many fragments the received frame will be split |
| 2223 | * 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] | 2224 | * L4 payload in three buffer mode and in 5 buffer mode, L4 payload itself |
| 2225 | * is split into 3 fragments. As of now only single buffer mode is |
| 2226 | * supported. |
| 2227 | * Return Value: |
| 2228 | * SUCCESS on success or an appropriate -ve value on failure. |
| 2229 | */ |
| 2230 | |
Adrian Bunk | ac1f60d | 2005-11-06 01:46:47 +0100 | [diff] [blame] | 2231 | static int fill_rx_buffers(struct s2io_nic *nic, int ring_no) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2232 | { |
| 2233 | struct net_device *dev = nic->dev; |
| 2234 | struct sk_buff *skb; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2235 | struct RxD_t *rxdp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2236 | int off, off1, size, block_no, block_no1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2237 | u32 alloc_tab = 0; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2238 | u32 alloc_cnt; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2239 | struct mac_info *mac_control; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2240 | struct config_param *config; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2241 | u64 tmp; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2242 | struct buffAdd *ba; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2243 | unsigned long flags; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2244 | struct RxD_t *first_rxdp = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2245 | |
| 2246 | mac_control = &nic->mac_control; |
| 2247 | config = &nic->config; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2248 | alloc_cnt = mac_control->rings[ring_no].pkt_cnt - |
| 2249 | atomic_read(&nic->rx_bufs_left[ring_no]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2250 | |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 2251 | block_no1 = mac_control->rings[ring_no].rx_curr_get_info.block_index; |
Ananda Raju | 863c11a | 2006-04-21 19:03:13 -0400 | [diff] [blame] | 2252 | off1 = mac_control->rings[ring_no].rx_curr_get_info.offset; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2253 | while (alloc_tab < alloc_cnt) { |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2254 | block_no = mac_control->rings[ring_no].rx_curr_put_info. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2255 | block_index; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2256 | off = mac_control->rings[ring_no].rx_curr_put_info.offset; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2257 | |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2258 | rxdp = mac_control->rings[ring_no]. |
| 2259 | rx_blocks[block_no].rxds[off].virt_addr; |
| 2260 | |
| 2261 | if ((block_no == block_no1) && (off == off1) && |
| 2262 | (rxdp->Host_Control)) { |
| 2263 | DBG_PRINT(INTR_DBG, "%s: Get and Put", |
| 2264 | dev->name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2265 | DBG_PRINT(INTR_DBG, " info equated\n"); |
| 2266 | goto end; |
| 2267 | } |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2268 | if (off && (off == rxd_count[nic->rxd_mode])) { |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2269 | mac_control->rings[ring_no].rx_curr_put_info. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2270 | block_index++; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2271 | if (mac_control->rings[ring_no].rx_curr_put_info. |
| 2272 | block_index == mac_control->rings[ring_no]. |
| 2273 | block_count) |
| 2274 | mac_control->rings[ring_no].rx_curr_put_info. |
| 2275 | block_index = 0; |
| 2276 | block_no = mac_control->rings[ring_no]. |
| 2277 | rx_curr_put_info.block_index; |
| 2278 | if (off == rxd_count[nic->rxd_mode]) |
| 2279 | off = 0; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2280 | mac_control->rings[ring_no].rx_curr_put_info. |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2281 | offset = off; |
| 2282 | rxdp = mac_control->rings[ring_no]. |
| 2283 | rx_blocks[block_no].block_virt_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2284 | DBG_PRINT(INTR_DBG, "%s: Next block at: %p\n", |
| 2285 | dev->name, rxdp); |
| 2286 | } |
Sivakumar Subramani | db874e6 | 2007-01-31 13:28:08 -0500 | [diff] [blame] | 2287 | if(!napi) { |
| 2288 | spin_lock_irqsave(&nic->put_lock, flags); |
| 2289 | mac_control->rings[ring_no].put_pos = |
| 2290 | (block_no * (rxd_count[nic->rxd_mode] + 1)) + off; |
| 2291 | spin_unlock_irqrestore(&nic->put_lock, flags); |
| 2292 | } else { |
| 2293 | mac_control->rings[ring_no].put_pos = |
| 2294 | (block_no * (rxd_count[nic->rxd_mode] + 1)) + off; |
| 2295 | } |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2296 | if ((rxdp->Control_1 & RXD_OWN_XENA) && |
| 2297 | ((nic->rxd_mode >= RXD_MODE_3A) && |
| 2298 | (rxdp->Control_2 & BIT(0)))) { |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2299 | mac_control->rings[ring_no].rx_curr_put_info. |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2300 | offset = off; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2301 | goto end; |
| 2302 | } |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2303 | /* calculate size of skb based on ring mode */ |
| 2304 | size = dev->mtu + HEADER_ETHERNET_II_802_3_SIZE + |
| 2305 | HEADER_802_2_SIZE + HEADER_SNAP_SIZE; |
| 2306 | if (nic->rxd_mode == RXD_MODE_1) |
| 2307 | size += NET_IP_ALIGN; |
| 2308 | else if (nic->rxd_mode == RXD_MODE_3B) |
| 2309 | size = dev->mtu + ALIGN_SIZE + BUF0_LEN + 4; |
| 2310 | else |
| 2311 | size = l3l4hdr_size + ALIGN_SIZE + BUF0_LEN + 4; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2312 | |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2313 | /* allocate skb */ |
| 2314 | skb = dev_alloc_skb(size); |
| 2315 | if(!skb) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2316 | DBG_PRINT(ERR_DBG, "%s: Out of ", dev->name); |
| 2317 | DBG_PRINT(ERR_DBG, "memory to allocate SKBs\n"); |
raghavendra.koushik@neterion.com | 303bcb4 | 2005-08-03 12:41:38 -0700 | [diff] [blame] | 2318 | if (first_rxdp) { |
| 2319 | wmb(); |
| 2320 | first_rxdp->Control_1 |= RXD_OWN_XENA; |
| 2321 | } |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2322 | return -ENOMEM ; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2323 | } |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2324 | if (nic->rxd_mode == RXD_MODE_1) { |
| 2325 | /* 1 buffer mode - normal operation mode */ |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2326 | memset(rxdp, 0, sizeof(struct RxD1)); |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2327 | skb_reserve(skb, NET_IP_ALIGN); |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2328 | ((struct RxD1*)rxdp)->Buffer0_ptr = pci_map_single |
Ananda Raju | 863c11a | 2006-04-21 19:03:13 -0400 | [diff] [blame] | 2329 | (nic->pdev, skb->data, size - NET_IP_ALIGN, |
| 2330 | PCI_DMA_FROMDEVICE); |
| 2331 | rxdp->Control_2 = SET_BUFFER0_SIZE_1(size - NET_IP_ALIGN); |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2332 | |
| 2333 | } else if (nic->rxd_mode >= RXD_MODE_3A) { |
| 2334 | /* |
| 2335 | * 2 or 3 buffer mode - |
| 2336 | * Both 2 buffer mode and 3 buffer mode provides 128 |
| 2337 | * byte aligned receive buffers. |
| 2338 | * |
| 2339 | * 3 buffer mode provides header separation where in |
| 2340 | * skb->data will have L3/L4 headers where as |
| 2341 | * skb_shinfo(skb)->frag_list will have the L4 data |
| 2342 | * payload |
| 2343 | */ |
| 2344 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2345 | memset(rxdp, 0, sizeof(struct RxD3)); |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2346 | ba = &mac_control->rings[ring_no].ba[block_no][off]; |
| 2347 | skb_reserve(skb, BUF0_LEN); |
| 2348 | tmp = (u64)(unsigned long) skb->data; |
| 2349 | tmp += ALIGN_SIZE; |
| 2350 | tmp &= ~ALIGN_SIZE; |
| 2351 | skb->data = (void *) (unsigned long)tmp; |
Arnaldo Carvalho de Melo | 27a884d | 2007-04-19 20:29:13 -0700 | [diff] [blame] | 2352 | skb_reset_tail_pointer(skb); |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2353 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2354 | if (!(((struct RxD3*)rxdp)->Buffer0_ptr)) |
| 2355 | ((struct RxD3*)rxdp)->Buffer0_ptr = |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 2356 | pci_map_single(nic->pdev, ba->ba_0, BUF0_LEN, |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2357 | PCI_DMA_FROMDEVICE); |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 2358 | else |
| 2359 | pci_dma_sync_single_for_device(nic->pdev, |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2360 | (dma_addr_t) ((struct RxD3*)rxdp)->Buffer0_ptr, |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 2361 | BUF0_LEN, PCI_DMA_FROMDEVICE); |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2362 | rxdp->Control_2 = SET_BUFFER0_SIZE_3(BUF0_LEN); |
| 2363 | if (nic->rxd_mode == RXD_MODE_3B) { |
| 2364 | /* Two buffer mode */ |
| 2365 | |
| 2366 | /* |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 2367 | * Buffer2 will have L3/L4 header plus |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2368 | * L4 payload |
| 2369 | */ |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2370 | ((struct RxD3*)rxdp)->Buffer2_ptr = pci_map_single |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2371 | (nic->pdev, skb->data, dev->mtu + 4, |
| 2372 | PCI_DMA_FROMDEVICE); |
| 2373 | |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 2374 | /* Buffer-1 will be dummy buffer. Not used */ |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2375 | if (!(((struct RxD3*)rxdp)->Buffer1_ptr)) { |
| 2376 | ((struct RxD3*)rxdp)->Buffer1_ptr = |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 2377 | pci_map_single(nic->pdev, |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 2378 | ba->ba_1, BUF1_LEN, |
| 2379 | PCI_DMA_FROMDEVICE); |
| 2380 | } |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2381 | rxdp->Control_2 |= SET_BUFFER1_SIZE_3(1); |
| 2382 | rxdp->Control_2 |= SET_BUFFER2_SIZE_3 |
| 2383 | (dev->mtu + 4); |
| 2384 | } else { |
| 2385 | /* 3 buffer mode */ |
| 2386 | if (fill_rxd_3buf(nic, rxdp, skb) == -ENOMEM) { |
| 2387 | dev_kfree_skb_irq(skb); |
| 2388 | if (first_rxdp) { |
| 2389 | wmb(); |
| 2390 | first_rxdp->Control_1 |= |
| 2391 | RXD_OWN_XENA; |
| 2392 | } |
| 2393 | return -ENOMEM ; |
| 2394 | } |
| 2395 | } |
| 2396 | rxdp->Control_2 |= BIT(0); |
| 2397 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2398 | rxdp->Host_Control = (unsigned long) (skb); |
raghavendra.koushik@neterion.com | 303bcb4 | 2005-08-03 12:41:38 -0700 | [diff] [blame] | 2399 | if (alloc_tab & ((1 << rxsync_frequency) - 1)) |
| 2400 | rxdp->Control_1 |= RXD_OWN_XENA; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2401 | off++; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2402 | if (off == (rxd_count[nic->rxd_mode] + 1)) |
| 2403 | off = 0; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2404 | mac_control->rings[ring_no].rx_curr_put_info.offset = off; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2405 | |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 2406 | rxdp->Control_2 |= SET_RXD_MARKER; |
raghavendra.koushik@neterion.com | 303bcb4 | 2005-08-03 12:41:38 -0700 | [diff] [blame] | 2407 | if (!(alloc_tab & ((1 << rxsync_frequency) - 1))) { |
| 2408 | if (first_rxdp) { |
| 2409 | wmb(); |
| 2410 | first_rxdp->Control_1 |= RXD_OWN_XENA; |
| 2411 | } |
| 2412 | first_rxdp = rxdp; |
| 2413 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2414 | atomic_inc(&nic->rx_bufs_left[ring_no]); |
| 2415 | alloc_tab++; |
| 2416 | } |
| 2417 | |
| 2418 | end: |
raghavendra.koushik@neterion.com | 303bcb4 | 2005-08-03 12:41:38 -0700 | [diff] [blame] | 2419 | /* Transfer ownership of first descriptor to adapter just before |
| 2420 | * exiting. Before that, use memory barrier so that ownership |
| 2421 | * and other fields are seen by adapter correctly. |
| 2422 | */ |
| 2423 | if (first_rxdp) { |
| 2424 | wmb(); |
| 2425 | first_rxdp->Control_1 |= RXD_OWN_XENA; |
| 2426 | } |
| 2427 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2428 | return SUCCESS; |
| 2429 | } |
| 2430 | |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2431 | static void free_rxd_blk(struct s2io_nic *sp, int ring_no, int blk) |
| 2432 | { |
| 2433 | struct net_device *dev = sp->dev; |
| 2434 | int j; |
| 2435 | struct sk_buff *skb; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2436 | struct RxD_t *rxdp; |
| 2437 | struct mac_info *mac_control; |
| 2438 | struct buffAdd *ba; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2439 | |
| 2440 | mac_control = &sp->mac_control; |
| 2441 | for (j = 0 ; j < rxd_count[sp->rxd_mode]; j++) { |
| 2442 | rxdp = mac_control->rings[ring_no]. |
| 2443 | rx_blocks[blk].rxds[j].virt_addr; |
| 2444 | skb = (struct sk_buff *) |
| 2445 | ((unsigned long) rxdp->Host_Control); |
| 2446 | if (!skb) { |
| 2447 | continue; |
| 2448 | } |
| 2449 | if (sp->rxd_mode == RXD_MODE_1) { |
| 2450 | pci_unmap_single(sp->pdev, (dma_addr_t) |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2451 | ((struct RxD1*)rxdp)->Buffer0_ptr, |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2452 | dev->mtu + |
| 2453 | HEADER_ETHERNET_II_802_3_SIZE |
| 2454 | + HEADER_802_2_SIZE + |
| 2455 | HEADER_SNAP_SIZE, |
| 2456 | PCI_DMA_FROMDEVICE); |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2457 | memset(rxdp, 0, sizeof(struct RxD1)); |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2458 | } else if(sp->rxd_mode == RXD_MODE_3B) { |
| 2459 | ba = &mac_control->rings[ring_no]. |
| 2460 | ba[blk][j]; |
| 2461 | pci_unmap_single(sp->pdev, (dma_addr_t) |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2462 | ((struct RxD3*)rxdp)->Buffer0_ptr, |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2463 | BUF0_LEN, |
| 2464 | PCI_DMA_FROMDEVICE); |
| 2465 | pci_unmap_single(sp->pdev, (dma_addr_t) |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2466 | ((struct RxD3*)rxdp)->Buffer1_ptr, |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2467 | BUF1_LEN, |
| 2468 | PCI_DMA_FROMDEVICE); |
| 2469 | pci_unmap_single(sp->pdev, (dma_addr_t) |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2470 | ((struct RxD3*)rxdp)->Buffer2_ptr, |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2471 | dev->mtu + 4, |
| 2472 | PCI_DMA_FROMDEVICE); |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2473 | memset(rxdp, 0, sizeof(struct RxD3)); |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2474 | } else { |
| 2475 | pci_unmap_single(sp->pdev, (dma_addr_t) |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2476 | ((struct RxD3*)rxdp)->Buffer0_ptr, BUF0_LEN, |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2477 | PCI_DMA_FROMDEVICE); |
| 2478 | pci_unmap_single(sp->pdev, (dma_addr_t) |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2479 | ((struct RxD3*)rxdp)->Buffer1_ptr, |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2480 | l3l4hdr_size + 4, |
| 2481 | PCI_DMA_FROMDEVICE); |
| 2482 | pci_unmap_single(sp->pdev, (dma_addr_t) |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2483 | ((struct RxD3*)rxdp)->Buffer2_ptr, dev->mtu, |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2484 | PCI_DMA_FROMDEVICE); |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2485 | memset(rxdp, 0, sizeof(struct RxD3)); |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2486 | } |
| 2487 | dev_kfree_skb(skb); |
| 2488 | atomic_dec(&sp->rx_bufs_left[ring_no]); |
| 2489 | } |
| 2490 | } |
| 2491 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2492 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2493 | * free_rx_buffers - Frees all Rx buffers |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2494 | * @sp: device private variable. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2495 | * Description: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2496 | * This function will free all Rx buffers allocated by host. |
| 2497 | * Return Value: |
| 2498 | * NONE. |
| 2499 | */ |
| 2500 | |
| 2501 | static void free_rx_buffers(struct s2io_nic *sp) |
| 2502 | { |
| 2503 | struct net_device *dev = sp->dev; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2504 | int i, blk = 0, buf_cnt = 0; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2505 | struct mac_info *mac_control; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2506 | struct config_param *config; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2507 | |
| 2508 | mac_control = &sp->mac_control; |
| 2509 | config = &sp->config; |
| 2510 | |
| 2511 | for (i = 0; i < config->rx_ring_num; i++) { |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2512 | for (blk = 0; blk < rx_ring_sz[i]; blk++) |
| 2513 | free_rxd_blk(sp,i,blk); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2514 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2515 | mac_control->rings[i].rx_curr_put_info.block_index = 0; |
| 2516 | mac_control->rings[i].rx_curr_get_info.block_index = 0; |
| 2517 | mac_control->rings[i].rx_curr_put_info.offset = 0; |
| 2518 | mac_control->rings[i].rx_curr_get_info.offset = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2519 | atomic_set(&sp->rx_bufs_left[i], 0); |
| 2520 | DBG_PRINT(INIT_DBG, "%s:Freed 0x%x Rx Buffers on ring%d\n", |
| 2521 | dev->name, buf_cnt, i); |
| 2522 | } |
| 2523 | } |
| 2524 | |
| 2525 | /** |
| 2526 | * s2io_poll - Rx interrupt handler for NAPI support |
| 2527 | * @dev : pointer to the device structure. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2528 | * @budget : The number of packets that were budgeted to be processed |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2529 | * during one pass through the 'Poll" function. |
| 2530 | * Description: |
| 2531 | * Comes into picture only if NAPI support has been incorporated. It does |
| 2532 | * the same thing that rx_intr_handler does, but not in a interrupt context |
| 2533 | * also It will process only a given number of packets. |
| 2534 | * Return value: |
| 2535 | * 0 on success and 1 if there are No Rx packets to be processed. |
| 2536 | */ |
| 2537 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2538 | static int s2io_poll(struct net_device *dev, int *budget) |
| 2539 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2540 | struct s2io_nic *nic = dev->priv; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2541 | int pkt_cnt = 0, org_pkts_to_process; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2542 | struct mac_info *mac_control; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2543 | struct config_param *config; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2544 | struct XENA_dev_config __iomem *bar0 = nic->bar0; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2545 | int i; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2546 | |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 2547 | atomic_inc(&nic->isr_cnt); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2548 | mac_control = &nic->mac_control; |
| 2549 | config = &nic->config; |
| 2550 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2551 | nic->pkts_to_process = *budget; |
| 2552 | if (nic->pkts_to_process > dev->quota) |
| 2553 | nic->pkts_to_process = dev->quota; |
| 2554 | org_pkts_to_process = nic->pkts_to_process; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2555 | |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 2556 | writeq(S2IO_MINUS_ONE, &bar0->rx_traffic_int); |
| 2557 | readl(&bar0->rx_traffic_int); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2558 | |
| 2559 | for (i = 0; i < config->rx_ring_num; i++) { |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2560 | rx_intr_handler(&mac_control->rings[i]); |
| 2561 | pkt_cnt = org_pkts_to_process - nic->pkts_to_process; |
| 2562 | if (!nic->pkts_to_process) { |
| 2563 | /* Quota for the current iteration has been met */ |
| 2564 | goto no_rx; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2565 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2566 | } |
| 2567 | if (!pkt_cnt) |
| 2568 | pkt_cnt = 1; |
| 2569 | |
| 2570 | dev->quota -= pkt_cnt; |
| 2571 | *budget -= pkt_cnt; |
| 2572 | netif_rx_complete(dev); |
| 2573 | |
| 2574 | for (i = 0; i < config->rx_ring_num; i++) { |
| 2575 | if (fill_rx_buffers(nic, i) == -ENOMEM) { |
| 2576 | DBG_PRINT(ERR_DBG, "%s:Out of memory", dev->name); |
| 2577 | DBG_PRINT(ERR_DBG, " in Rx Poll!!\n"); |
| 2578 | break; |
| 2579 | } |
| 2580 | } |
| 2581 | /* Re enable the Rx interrupts. */ |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 2582 | writeq(0x0, &bar0->rx_traffic_mask); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 2583 | readl(&bar0->rx_traffic_mask); |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 2584 | atomic_dec(&nic->isr_cnt); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2585 | return 0; |
| 2586 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2587 | no_rx: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2588 | dev->quota -= pkt_cnt; |
| 2589 | *budget -= pkt_cnt; |
| 2590 | |
| 2591 | for (i = 0; i < config->rx_ring_num; i++) { |
| 2592 | if (fill_rx_buffers(nic, i) == -ENOMEM) { |
| 2593 | DBG_PRINT(ERR_DBG, "%s:Out of memory", dev->name); |
| 2594 | DBG_PRINT(ERR_DBG, " in Rx Poll!!\n"); |
| 2595 | break; |
| 2596 | } |
| 2597 | } |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 2598 | atomic_dec(&nic->isr_cnt); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2599 | return 1; |
| 2600 | } |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2601 | |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 2602 | #ifdef CONFIG_NET_POLL_CONTROLLER |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2603 | /** |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 2604 | * s2io_netpoll - netpoll event handler entry point |
Brian Haley | 612eff0 | 2006-06-15 14:36:36 -0400 | [diff] [blame] | 2605 | * @dev : pointer to the device structure. |
| 2606 | * Description: |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 2607 | * This function will be called by upper layer to check for events on the |
| 2608 | * interface in situations where interrupts are disabled. It is used for |
| 2609 | * specific in-kernel networking tasks, such as remote consoles and kernel |
| 2610 | * debugging over the network (example netdump in RedHat). |
Brian Haley | 612eff0 | 2006-06-15 14:36:36 -0400 | [diff] [blame] | 2611 | */ |
Brian Haley | 612eff0 | 2006-06-15 14:36:36 -0400 | [diff] [blame] | 2612 | static void s2io_netpoll(struct net_device *dev) |
| 2613 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2614 | struct s2io_nic *nic = dev->priv; |
| 2615 | struct mac_info *mac_control; |
Brian Haley | 612eff0 | 2006-06-15 14:36:36 -0400 | [diff] [blame] | 2616 | struct config_param *config; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2617 | struct XENA_dev_config __iomem *bar0 = nic->bar0; |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 2618 | u64 val64 = 0xFFFFFFFFFFFFFFFFULL; |
Brian Haley | 612eff0 | 2006-06-15 14:36:36 -0400 | [diff] [blame] | 2619 | int i; |
| 2620 | |
| 2621 | disable_irq(dev->irq); |
| 2622 | |
| 2623 | atomic_inc(&nic->isr_cnt); |
| 2624 | mac_control = &nic->mac_control; |
| 2625 | config = &nic->config; |
| 2626 | |
Brian Haley | 612eff0 | 2006-06-15 14:36:36 -0400 | [diff] [blame] | 2627 | writeq(val64, &bar0->rx_traffic_int); |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 2628 | writeq(val64, &bar0->tx_traffic_int); |
Brian Haley | 612eff0 | 2006-06-15 14:36:36 -0400 | [diff] [blame] | 2629 | |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 2630 | /* we need to free up the transmitted skbufs or else netpoll will |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 2631 | * run out of skbs and will fail and eventually netpoll application such |
| 2632 | * as netdump will fail. |
| 2633 | */ |
| 2634 | for (i = 0; i < config->tx_fifo_num; i++) |
| 2635 | tx_intr_handler(&mac_control->fifos[i]); |
| 2636 | |
| 2637 | /* check for received packet and indicate up to network */ |
Brian Haley | 612eff0 | 2006-06-15 14:36:36 -0400 | [diff] [blame] | 2638 | for (i = 0; i < config->rx_ring_num; i++) |
| 2639 | rx_intr_handler(&mac_control->rings[i]); |
| 2640 | |
| 2641 | for (i = 0; i < config->rx_ring_num; i++) { |
| 2642 | if (fill_rx_buffers(nic, i) == -ENOMEM) { |
| 2643 | DBG_PRINT(ERR_DBG, "%s:Out of memory", dev->name); |
| 2644 | DBG_PRINT(ERR_DBG, " in Rx Netpoll!!\n"); |
| 2645 | break; |
| 2646 | } |
| 2647 | } |
| 2648 | atomic_dec(&nic->isr_cnt); |
| 2649 | enable_irq(dev->irq); |
| 2650 | return; |
| 2651 | } |
| 2652 | #endif |
| 2653 | |
| 2654 | /** |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2655 | * rx_intr_handler - Rx interrupt handler |
| 2656 | * @nic: device private variable. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2657 | * Description: |
| 2658 | * If the interrupt is because of a received frame or if the |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2659 | * 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] | 2660 | * called. It picks out the RxD at which place the last Rx processing had |
| 2661 | * 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] | 2662 | * the offset. |
| 2663 | * Return Value: |
| 2664 | * NONE. |
| 2665 | */ |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2666 | static void rx_intr_handler(struct ring_info *ring_data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2667 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2668 | struct s2io_nic *nic = ring_data->nic; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2669 | struct net_device *dev = (struct net_device *) nic->dev; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2670 | int get_block, put_block, put_offset; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2671 | struct rx_curr_get_info get_info, put_info; |
| 2672 | struct RxD_t *rxdp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2673 | struct sk_buff *skb; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2674 | int pkt_cnt = 0; |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 2675 | int i; |
| 2676 | |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 2677 | spin_lock(&nic->rx_lock); |
| 2678 | if (atomic_read(&nic->card_state) == CARD_DOWN) { |
ravinandan.arakali@neterion.com | 776bd20 | 2005-09-06 21:36:56 -0700 | [diff] [blame] | 2679 | DBG_PRINT(INTR_DBG, "%s: %s going down for reset\n", |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 2680 | __FUNCTION__, dev->name); |
| 2681 | spin_unlock(&nic->rx_lock); |
ravinandan.arakali@neterion.com | 776bd20 | 2005-09-06 21:36:56 -0700 | [diff] [blame] | 2682 | return; |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 2683 | } |
| 2684 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2685 | get_info = ring_data->rx_curr_get_info; |
| 2686 | get_block = get_info.block_index; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2687 | 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] | 2688 | put_block = put_info.block_index; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2689 | 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] | 2690 | if (!napi) { |
| 2691 | spin_lock(&nic->put_lock); |
| 2692 | put_offset = ring_data->put_pos; |
| 2693 | spin_unlock(&nic->put_lock); |
| 2694 | } else |
| 2695 | put_offset = ring_data->put_pos; |
| 2696 | |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2697 | while (RXD_IS_UP2DT(rxdp)) { |
Sivakumar Subramani | db874e6 | 2007-01-31 13:28:08 -0500 | [diff] [blame] | 2698 | /* |
| 2699 | * If your are next to put index then it's |
| 2700 | * FIFO full condition |
| 2701 | */ |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2702 | if ((get_block == put_block) && |
| 2703 | (get_info.offset + 1) == put_info.offset) { |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 2704 | DBG_PRINT(INTR_DBG, "%s: Ring Full\n",dev->name); |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2705 | break; |
| 2706 | } |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2707 | skb = (struct sk_buff *) ((unsigned long)rxdp->Host_Control); |
| 2708 | if (skb == NULL) { |
| 2709 | DBG_PRINT(ERR_DBG, "%s: The skb is ", |
| 2710 | dev->name); |
| 2711 | DBG_PRINT(ERR_DBG, "Null in Rx Intr\n"); |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 2712 | spin_unlock(&nic->rx_lock); |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2713 | return; |
| 2714 | } |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2715 | if (nic->rxd_mode == RXD_MODE_1) { |
| 2716 | pci_unmap_single(nic->pdev, (dma_addr_t) |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2717 | ((struct RxD1*)rxdp)->Buffer0_ptr, |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2718 | dev->mtu + |
| 2719 | HEADER_ETHERNET_II_802_3_SIZE + |
| 2720 | HEADER_802_2_SIZE + |
| 2721 | HEADER_SNAP_SIZE, |
| 2722 | PCI_DMA_FROMDEVICE); |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2723 | } else if (nic->rxd_mode == RXD_MODE_3B) { |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 2724 | pci_dma_sync_single_for_cpu(nic->pdev, (dma_addr_t) |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2725 | ((struct RxD3*)rxdp)->Buffer0_ptr, |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2726 | BUF0_LEN, PCI_DMA_FROMDEVICE); |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2727 | pci_unmap_single(nic->pdev, (dma_addr_t) |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2728 | ((struct RxD3*)rxdp)->Buffer2_ptr, |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2729 | dev->mtu + 4, |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2730 | PCI_DMA_FROMDEVICE); |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2731 | } else { |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 2732 | pci_dma_sync_single_for_cpu(nic->pdev, (dma_addr_t) |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2733 | ((struct RxD3*)rxdp)->Buffer0_ptr, BUF0_LEN, |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2734 | PCI_DMA_FROMDEVICE); |
| 2735 | pci_unmap_single(nic->pdev, (dma_addr_t) |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2736 | ((struct RxD3*)rxdp)->Buffer1_ptr, |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2737 | l3l4hdr_size + 4, |
| 2738 | PCI_DMA_FROMDEVICE); |
| 2739 | pci_unmap_single(nic->pdev, (dma_addr_t) |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2740 | ((struct RxD3*)rxdp)->Buffer2_ptr, |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2741 | dev->mtu, PCI_DMA_FROMDEVICE); |
| 2742 | } |
Ananda Raju | 863c11a | 2006-04-21 19:03:13 -0400 | [diff] [blame] | 2743 | prefetch(skb->data); |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2744 | rx_osm_handler(ring_data, rxdp); |
| 2745 | get_info.offset++; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2746 | ring_data->rx_curr_get_info.offset = get_info.offset; |
| 2747 | rxdp = ring_data->rx_blocks[get_block]. |
| 2748 | rxds[get_info.offset].virt_addr; |
| 2749 | if (get_info.offset == rxd_count[nic->rxd_mode]) { |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2750 | get_info.offset = 0; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2751 | ring_data->rx_curr_get_info.offset = get_info.offset; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2752 | get_block++; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2753 | if (get_block == ring_data->block_count) |
| 2754 | get_block = 0; |
| 2755 | ring_data->rx_curr_get_info.block_index = get_block; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2756 | rxdp = ring_data->rx_blocks[get_block].block_virt_addr; |
| 2757 | } |
| 2758 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2759 | nic->pkts_to_process -= 1; |
Sivakumar Subramani | db874e6 | 2007-01-31 13:28:08 -0500 | [diff] [blame] | 2760 | if ((napi) && (!nic->pkts_to_process)) |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2761 | break; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2762 | pkt_cnt++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2763 | if ((indicate_max_pkts) && (pkt_cnt > indicate_max_pkts)) |
| 2764 | break; |
| 2765 | } |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 2766 | if (nic->lro) { |
| 2767 | /* Clear all LRO sessions before exiting */ |
| 2768 | for (i=0; i<MAX_LRO_SESSIONS; i++) { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2769 | struct lro *lro = &nic->lro0_n[i]; |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 2770 | if (lro->in_use) { |
| 2771 | update_L3L4_header(nic, lro); |
| 2772 | queue_rx_frame(lro->parent); |
| 2773 | clear_lro_session(lro); |
| 2774 | } |
| 2775 | } |
| 2776 | } |
| 2777 | |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 2778 | spin_unlock(&nic->rx_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2779 | } |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2780 | |
| 2781 | /** |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2782 | * tx_intr_handler - Transmit interrupt handler |
| 2783 | * @nic : device private variable |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2784 | * Description: |
| 2785 | * If an interrupt was raised to indicate DMA complete of the |
| 2786 | * Tx packet, this function is called. It identifies the last TxD |
| 2787 | * whose buffer was freed and frees all skbs whose data have already |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2788 | * DMA'ed into the NICs internal memory. |
| 2789 | * Return Value: |
| 2790 | * NONE |
| 2791 | */ |
| 2792 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2793 | static void tx_intr_handler(struct fifo_info *fifo_data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2794 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2795 | struct s2io_nic *nic = fifo_data->nic; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2796 | struct net_device *dev = (struct net_device *) nic->dev; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2797 | struct tx_curr_get_info get_info, put_info; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2798 | struct sk_buff *skb; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2799 | struct TxD *txdlp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2800 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2801 | get_info = fifo_data->tx_curr_get_info; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2802 | memcpy(&put_info, &fifo_data->tx_curr_put_info, sizeof(put_info)); |
| 2803 | txdlp = (struct TxD *) fifo_data->list_info[get_info.offset]. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2804 | list_virt_addr; |
| 2805 | while ((!(txdlp->Control_1 & TXD_LIST_OWN_XENA)) && |
| 2806 | (get_info.offset != put_info.offset) && |
| 2807 | (txdlp->Host_Control)) { |
| 2808 | /* Check for TxD errors */ |
| 2809 | if (txdlp->Control_1 & TXD_T_CODE) { |
| 2810 | unsigned long long err; |
| 2811 | err = txdlp->Control_1 & TXD_T_CODE; |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 2812 | if (err & 0x1) { |
| 2813 | nic->mac_control.stats_info->sw_stat. |
| 2814 | parity_err_cnt++; |
| 2815 | } |
ravinandan.arakali@neterion.com | 776bd20 | 2005-09-06 21:36:56 -0700 | [diff] [blame] | 2816 | if ((err >> 48) == 0xA) { |
| 2817 | DBG_PRINT(TX_DBG, "TxD returned due \ |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 2818 | to loss of link\n"); |
ravinandan.arakali@neterion.com | 776bd20 | 2005-09-06 21:36:56 -0700 | [diff] [blame] | 2819 | } |
| 2820 | else { |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 2821 | DBG_PRINT(ERR_DBG, "***TxD error %llx\n", err); |
ravinandan.arakali@neterion.com | 776bd20 | 2005-09-06 21:36:56 -0700 | [diff] [blame] | 2822 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2823 | } |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2824 | |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 2825 | skb = s2io_txdl_getskb(fifo_data, txdlp, get_info.offset); |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2826 | if (skb == NULL) { |
| 2827 | DBG_PRINT(ERR_DBG, "%s: Null skb ", |
| 2828 | __FUNCTION__); |
| 2829 | DBG_PRINT(ERR_DBG, "in Tx Free Intr\n"); |
| 2830 | return; |
| 2831 | } |
| 2832 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2833 | /* Updating the statistics block */ |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2834 | nic->stats.tx_bytes += skb->len; |
| 2835 | dev_kfree_skb_irq(skb); |
| 2836 | |
| 2837 | get_info.offset++; |
Ananda Raju | 863c11a | 2006-04-21 19:03:13 -0400 | [diff] [blame] | 2838 | if (get_info.offset == get_info.fifo_len + 1) |
| 2839 | get_info.offset = 0; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2840 | txdlp = (struct TxD *) fifo_data->list_info |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2841 | [get_info.offset].list_virt_addr; |
| 2842 | fifo_data->tx_curr_get_info.offset = |
| 2843 | get_info.offset; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2844 | } |
| 2845 | |
| 2846 | spin_lock(&nic->tx_lock); |
| 2847 | if (netif_queue_stopped(dev)) |
| 2848 | netif_wake_queue(dev); |
| 2849 | spin_unlock(&nic->tx_lock); |
| 2850 | } |
| 2851 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2852 | /** |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 2853 | * s2io_mdio_write - Function to write in to MDIO registers |
| 2854 | * @mmd_type : MMD type value (PMA/PMD/WIS/PCS/PHYXS) |
| 2855 | * @addr : address value |
| 2856 | * @value : data value |
| 2857 | * @dev : pointer to net_device structure |
| 2858 | * Description: |
| 2859 | * This function is used to write values to the MDIO registers |
| 2860 | * NONE |
| 2861 | */ |
| 2862 | static void s2io_mdio_write(u32 mmd_type, u64 addr, u16 value, struct net_device *dev) |
| 2863 | { |
| 2864 | u64 val64 = 0x0; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2865 | struct s2io_nic *sp = dev->priv; |
| 2866 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 2867 | |
| 2868 | //address transaction |
| 2869 | val64 = val64 | MDIO_MMD_INDX_ADDR(addr) |
| 2870 | | MDIO_MMD_DEV_ADDR(mmd_type) |
| 2871 | | MDIO_MMS_PRT_ADDR(0x0); |
| 2872 | writeq(val64, &bar0->mdio_control); |
| 2873 | val64 = val64 | MDIO_CTRL_START_TRANS(0xE); |
| 2874 | writeq(val64, &bar0->mdio_control); |
| 2875 | udelay(100); |
| 2876 | |
| 2877 | //Data transaction |
| 2878 | val64 = 0x0; |
| 2879 | val64 = val64 | MDIO_MMD_INDX_ADDR(addr) |
| 2880 | | MDIO_MMD_DEV_ADDR(mmd_type) |
| 2881 | | MDIO_MMS_PRT_ADDR(0x0) |
| 2882 | | MDIO_MDIO_DATA(value) |
| 2883 | | MDIO_OP(MDIO_OP_WRITE_TRANS); |
| 2884 | writeq(val64, &bar0->mdio_control); |
| 2885 | val64 = val64 | MDIO_CTRL_START_TRANS(0xE); |
| 2886 | writeq(val64, &bar0->mdio_control); |
| 2887 | udelay(100); |
| 2888 | |
| 2889 | val64 = 0x0; |
| 2890 | val64 = val64 | MDIO_MMD_INDX_ADDR(addr) |
| 2891 | | MDIO_MMD_DEV_ADDR(mmd_type) |
| 2892 | | MDIO_MMS_PRT_ADDR(0x0) |
| 2893 | | MDIO_OP(MDIO_OP_READ_TRANS); |
| 2894 | writeq(val64, &bar0->mdio_control); |
| 2895 | val64 = val64 | MDIO_CTRL_START_TRANS(0xE); |
| 2896 | writeq(val64, &bar0->mdio_control); |
| 2897 | udelay(100); |
| 2898 | |
| 2899 | } |
| 2900 | |
| 2901 | /** |
| 2902 | * s2io_mdio_read - Function to write in to MDIO registers |
| 2903 | * @mmd_type : MMD type value (PMA/PMD/WIS/PCS/PHYXS) |
| 2904 | * @addr : address value |
| 2905 | * @dev : pointer to net_device structure |
| 2906 | * Description: |
| 2907 | * This function is used to read values to the MDIO registers |
| 2908 | * NONE |
| 2909 | */ |
| 2910 | static u64 s2io_mdio_read(u32 mmd_type, u64 addr, struct net_device *dev) |
| 2911 | { |
| 2912 | u64 val64 = 0x0; |
| 2913 | u64 rval64 = 0x0; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2914 | struct s2io_nic *sp = dev->priv; |
| 2915 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 2916 | |
| 2917 | /* address transaction */ |
| 2918 | val64 = val64 | MDIO_MMD_INDX_ADDR(addr) |
| 2919 | | MDIO_MMD_DEV_ADDR(mmd_type) |
| 2920 | | MDIO_MMS_PRT_ADDR(0x0); |
| 2921 | writeq(val64, &bar0->mdio_control); |
| 2922 | val64 = val64 | MDIO_CTRL_START_TRANS(0xE); |
| 2923 | writeq(val64, &bar0->mdio_control); |
| 2924 | udelay(100); |
| 2925 | |
| 2926 | /* Data transaction */ |
| 2927 | val64 = 0x0; |
| 2928 | val64 = val64 | MDIO_MMD_INDX_ADDR(addr) |
| 2929 | | MDIO_MMD_DEV_ADDR(mmd_type) |
| 2930 | | MDIO_MMS_PRT_ADDR(0x0) |
| 2931 | | MDIO_OP(MDIO_OP_READ_TRANS); |
| 2932 | writeq(val64, &bar0->mdio_control); |
| 2933 | val64 = val64 | MDIO_CTRL_START_TRANS(0xE); |
| 2934 | writeq(val64, &bar0->mdio_control); |
| 2935 | udelay(100); |
| 2936 | |
| 2937 | /* Read the value from regs */ |
| 2938 | rval64 = readq(&bar0->mdio_control); |
| 2939 | rval64 = rval64 & 0xFFFF0000; |
| 2940 | rval64 = rval64 >> 16; |
| 2941 | return rval64; |
| 2942 | } |
| 2943 | /** |
| 2944 | * s2io_chk_xpak_counter - Function to check the status of the xpak counters |
| 2945 | * @counter : couter value to be updated |
| 2946 | * @flag : flag to indicate the status |
| 2947 | * @type : counter type |
| 2948 | * Description: |
| 2949 | * This function is to check the status of the xpak counters value |
| 2950 | * NONE |
| 2951 | */ |
| 2952 | |
| 2953 | static void s2io_chk_xpak_counter(u64 *counter, u64 * regs_stat, u32 index, u16 flag, u16 type) |
| 2954 | { |
| 2955 | u64 mask = 0x3; |
| 2956 | u64 val64; |
| 2957 | int i; |
| 2958 | for(i = 0; i <index; i++) |
| 2959 | mask = mask << 0x2; |
| 2960 | |
| 2961 | if(flag > 0) |
| 2962 | { |
| 2963 | *counter = *counter + 1; |
| 2964 | val64 = *regs_stat & mask; |
| 2965 | val64 = val64 >> (index * 0x2); |
| 2966 | val64 = val64 + 1; |
| 2967 | if(val64 == 3) |
| 2968 | { |
| 2969 | switch(type) |
| 2970 | { |
| 2971 | case 1: |
| 2972 | DBG_PRINT(ERR_DBG, "Take Xframe NIC out of " |
| 2973 | "service. Excessive temperatures may " |
| 2974 | "result in premature transceiver " |
| 2975 | "failure \n"); |
| 2976 | break; |
| 2977 | case 2: |
| 2978 | DBG_PRINT(ERR_DBG, "Take Xframe NIC out of " |
| 2979 | "service Excessive bias currents may " |
| 2980 | "indicate imminent laser diode " |
| 2981 | "failure \n"); |
| 2982 | break; |
| 2983 | case 3: |
| 2984 | DBG_PRINT(ERR_DBG, "Take Xframe NIC out of " |
| 2985 | "service Excessive laser output " |
| 2986 | "power may saturate far-end " |
| 2987 | "receiver\n"); |
| 2988 | break; |
| 2989 | default: |
| 2990 | DBG_PRINT(ERR_DBG, "Incorrect XPAK Alarm " |
| 2991 | "type \n"); |
| 2992 | } |
| 2993 | val64 = 0x0; |
| 2994 | } |
| 2995 | val64 = val64 << (index * 0x2); |
| 2996 | *regs_stat = (*regs_stat & (~mask)) | (val64); |
| 2997 | |
| 2998 | } else { |
| 2999 | *regs_stat = *regs_stat & (~mask); |
| 3000 | } |
| 3001 | } |
| 3002 | |
| 3003 | /** |
| 3004 | * s2io_updt_xpak_counter - Function to update the xpak counters |
| 3005 | * @dev : pointer to net_device struct |
| 3006 | * Description: |
| 3007 | * This function is to upate the status of the xpak counters value |
| 3008 | * NONE |
| 3009 | */ |
| 3010 | static void s2io_updt_xpak_counter(struct net_device *dev) |
| 3011 | { |
| 3012 | u16 flag = 0x0; |
| 3013 | u16 type = 0x0; |
| 3014 | u16 val16 = 0x0; |
| 3015 | u64 val64 = 0x0; |
| 3016 | u64 addr = 0x0; |
| 3017 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3018 | struct s2io_nic *sp = dev->priv; |
| 3019 | struct stat_block *stat_info = sp->mac_control.stats_info; |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3020 | |
| 3021 | /* Check the communication with the MDIO slave */ |
| 3022 | addr = 0x0000; |
| 3023 | val64 = 0x0; |
| 3024 | val64 = s2io_mdio_read(MDIO_MMD_PMA_DEV_ADDR, addr, dev); |
| 3025 | if((val64 == 0xFFFF) || (val64 == 0x0000)) |
| 3026 | { |
| 3027 | DBG_PRINT(ERR_DBG, "ERR: MDIO slave access failed - " |
| 3028 | "Returned %llx\n", (unsigned long long)val64); |
| 3029 | return; |
| 3030 | } |
| 3031 | |
| 3032 | /* Check for the expecte value of 2040 at PMA address 0x0000 */ |
| 3033 | if(val64 != 0x2040) |
| 3034 | { |
| 3035 | DBG_PRINT(ERR_DBG, "Incorrect value at PMA address 0x0000 - "); |
| 3036 | DBG_PRINT(ERR_DBG, "Returned: %llx- Expected: 0x2040\n", |
| 3037 | (unsigned long long)val64); |
| 3038 | return; |
| 3039 | } |
| 3040 | |
| 3041 | /* Loading the DOM register to MDIO register */ |
| 3042 | addr = 0xA100; |
| 3043 | s2io_mdio_write(MDIO_MMD_PMA_DEV_ADDR, addr, val16, dev); |
| 3044 | val64 = s2io_mdio_read(MDIO_MMD_PMA_DEV_ADDR, addr, dev); |
| 3045 | |
| 3046 | /* Reading the Alarm flags */ |
| 3047 | addr = 0xA070; |
| 3048 | val64 = 0x0; |
| 3049 | val64 = s2io_mdio_read(MDIO_MMD_PMA_DEV_ADDR, addr, dev); |
| 3050 | |
| 3051 | flag = CHECKBIT(val64, 0x7); |
| 3052 | type = 1; |
| 3053 | s2io_chk_xpak_counter(&stat_info->xpak_stat.alarm_transceiver_temp_high, |
| 3054 | &stat_info->xpak_stat.xpak_regs_stat, |
| 3055 | 0x0, flag, type); |
| 3056 | |
| 3057 | if(CHECKBIT(val64, 0x6)) |
| 3058 | stat_info->xpak_stat.alarm_transceiver_temp_low++; |
| 3059 | |
| 3060 | flag = CHECKBIT(val64, 0x3); |
| 3061 | type = 2; |
| 3062 | s2io_chk_xpak_counter(&stat_info->xpak_stat.alarm_laser_bias_current_high, |
| 3063 | &stat_info->xpak_stat.xpak_regs_stat, |
| 3064 | 0x2, flag, type); |
| 3065 | |
| 3066 | if(CHECKBIT(val64, 0x2)) |
| 3067 | stat_info->xpak_stat.alarm_laser_bias_current_low++; |
| 3068 | |
| 3069 | flag = CHECKBIT(val64, 0x1); |
| 3070 | type = 3; |
| 3071 | s2io_chk_xpak_counter(&stat_info->xpak_stat.alarm_laser_output_power_high, |
| 3072 | &stat_info->xpak_stat.xpak_regs_stat, |
| 3073 | 0x4, flag, type); |
| 3074 | |
| 3075 | if(CHECKBIT(val64, 0x0)) |
| 3076 | stat_info->xpak_stat.alarm_laser_output_power_low++; |
| 3077 | |
| 3078 | /* Reading the Warning flags */ |
| 3079 | addr = 0xA074; |
| 3080 | val64 = 0x0; |
| 3081 | val64 = s2io_mdio_read(MDIO_MMD_PMA_DEV_ADDR, addr, dev); |
| 3082 | |
| 3083 | if(CHECKBIT(val64, 0x7)) |
| 3084 | stat_info->xpak_stat.warn_transceiver_temp_high++; |
| 3085 | |
| 3086 | if(CHECKBIT(val64, 0x6)) |
| 3087 | stat_info->xpak_stat.warn_transceiver_temp_low++; |
| 3088 | |
| 3089 | if(CHECKBIT(val64, 0x3)) |
| 3090 | stat_info->xpak_stat.warn_laser_bias_current_high++; |
| 3091 | |
| 3092 | if(CHECKBIT(val64, 0x2)) |
| 3093 | stat_info->xpak_stat.warn_laser_bias_current_low++; |
| 3094 | |
| 3095 | if(CHECKBIT(val64, 0x1)) |
| 3096 | stat_info->xpak_stat.warn_laser_output_power_high++; |
| 3097 | |
| 3098 | if(CHECKBIT(val64, 0x0)) |
| 3099 | stat_info->xpak_stat.warn_laser_output_power_low++; |
| 3100 | } |
| 3101 | |
| 3102 | /** |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3103 | * alarm_intr_handler - Alarm Interrrupt handler |
| 3104 | * @nic: device private variable |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3105 | * Description: If the interrupt was neither because of Rx packet or Tx |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3106 | * complete, this function is called. If the interrupt was to indicate |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3107 | * a loss of link, the OSM link status handler is invoked for any other |
| 3108 | * alarm interrupt the block that raised the interrupt is displayed |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3109 | * and a H/W reset is issued. |
| 3110 | * Return Value: |
| 3111 | * NONE |
| 3112 | */ |
| 3113 | |
| 3114 | static void alarm_intr_handler(struct s2io_nic *nic) |
| 3115 | { |
| 3116 | struct net_device *dev = (struct net_device *) nic->dev; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3117 | struct XENA_dev_config __iomem *bar0 = nic->bar0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3118 | register u64 val64 = 0, err_reg = 0; |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3119 | u64 cnt; |
| 3120 | int i; |
Sivakumar Subramani | 372cc59 | 2007-01-31 13:32:57 -0500 | [diff] [blame] | 3121 | if (atomic_read(&nic->card_state) == CARD_DOWN) |
| 3122 | return; |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3123 | nic->mac_control.stats_info->sw_stat.ring_full_cnt = 0; |
| 3124 | /* Handling the XPAK counters update */ |
| 3125 | if(nic->mac_control.stats_info->xpak_stat.xpak_timer_count < 72000) { |
| 3126 | /* waiting for an hour */ |
| 3127 | nic->mac_control.stats_info->xpak_stat.xpak_timer_count++; |
| 3128 | } else { |
| 3129 | s2io_updt_xpak_counter(dev); |
| 3130 | /* reset the count to zero */ |
| 3131 | nic->mac_control.stats_info->xpak_stat.xpak_timer_count = 0; |
| 3132 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3133 | |
| 3134 | /* Handling link status change error Intr */ |
raghavendra.koushik@neterion.com | a371a07 | 2005-08-03 12:38:59 -0700 | [diff] [blame] | 3135 | if (s2io_link_fault_indication(nic) == MAC_RMAC_ERR_TIMER) { |
| 3136 | err_reg = readq(&bar0->mac_rmac_err_reg); |
| 3137 | writeq(err_reg, &bar0->mac_rmac_err_reg); |
| 3138 | if (err_reg & RMAC_LINK_STATE_CHANGE_INT) { |
| 3139 | schedule_work(&nic->set_link_task); |
| 3140 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3141 | } |
| 3142 | |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 3143 | /* Handling Ecc errors */ |
| 3144 | val64 = readq(&bar0->mc_err_reg); |
| 3145 | writeq(val64, &bar0->mc_err_reg); |
| 3146 | if (val64 & (MC_ERR_REG_ECC_ALL_SNG | MC_ERR_REG_ECC_ALL_DBL)) { |
| 3147 | if (val64 & MC_ERR_REG_ECC_ALL_DBL) { |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 3148 | nic->mac_control.stats_info->sw_stat. |
| 3149 | double_ecc_errs++; |
ravinandan.arakali@neterion.com | 776bd20 | 2005-09-06 21:36:56 -0700 | [diff] [blame] | 3150 | DBG_PRINT(INIT_DBG, "%s: Device indicates ", |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 3151 | dev->name); |
ravinandan.arakali@neterion.com | 776bd20 | 2005-09-06 21:36:56 -0700 | [diff] [blame] | 3152 | DBG_PRINT(INIT_DBG, "double ECC error!!\n"); |
ravinandan.arakali@neterion.com | e960fc5 | 2005-08-12 10:15:59 -0700 | [diff] [blame] | 3153 | if (nic->device_type != XFRAME_II_DEVICE) { |
ravinandan.arakali@neterion.com | 776bd20 | 2005-09-06 21:36:56 -0700 | [diff] [blame] | 3154 | /* Reset XframeI only if critical error */ |
| 3155 | if (val64 & (MC_ERR_REG_MIRI_ECC_DB_ERR_0 | |
| 3156 | MC_ERR_REG_MIRI_ECC_DB_ERR_1)) { |
| 3157 | netif_stop_queue(dev); |
| 3158 | schedule_work(&nic->rst_timer_task); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3159 | nic->mac_control.stats_info->sw_stat. |
| 3160 | soft_reset_cnt++; |
ravinandan.arakali@neterion.com | 776bd20 | 2005-09-06 21:36:56 -0700 | [diff] [blame] | 3161 | } |
ravinandan.arakali@neterion.com | e960fc5 | 2005-08-12 10:15:59 -0700 | [diff] [blame] | 3162 | } |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 3163 | } else { |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 3164 | nic->mac_control.stats_info->sw_stat. |
| 3165 | single_ecc_errs++; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 3166 | } |
| 3167 | } |
| 3168 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3169 | /* In case of a serious error, the device will be Reset. */ |
| 3170 | val64 = readq(&bar0->serr_source); |
| 3171 | if (val64 & SERR_SOURCE_ANY) { |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3172 | nic->mac_control.stats_info->sw_stat.serious_err_cnt++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3173 | DBG_PRINT(ERR_DBG, "%s: Device indicates ", dev->name); |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 3174 | DBG_PRINT(ERR_DBG, "serious error %llx!!\n", |
ravinandan.arakali@neterion.com | 776bd20 | 2005-09-06 21:36:56 -0700 | [diff] [blame] | 3175 | (unsigned long long)val64); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3176 | netif_stop_queue(dev); |
| 3177 | schedule_work(&nic->rst_timer_task); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3178 | nic->mac_control.stats_info->sw_stat.soft_reset_cnt++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3179 | } |
| 3180 | |
| 3181 | /* |
| 3182 | * Also as mentioned in the latest Errata sheets if the PCC_FB_ECC |
| 3183 | * Error occurs, the adapter will be recycled by disabling the |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3184 | * adapter enable bit and enabling it again after the device |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3185 | * becomes Quiescent. |
| 3186 | */ |
| 3187 | val64 = readq(&bar0->pcc_err_reg); |
| 3188 | writeq(val64, &bar0->pcc_err_reg); |
| 3189 | if (val64 & PCC_FB_ECC_DB_ERR) { |
| 3190 | u64 ac = readq(&bar0->adapter_control); |
| 3191 | ac &= ~(ADAPTER_CNTL_EN); |
| 3192 | writeq(ac, &bar0->adapter_control); |
| 3193 | ac = readq(&bar0->adapter_control); |
| 3194 | schedule_work(&nic->set_link_task); |
| 3195 | } |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3196 | /* Check for data parity error */ |
| 3197 | val64 = readq(&bar0->pic_int_status); |
| 3198 | if (val64 & PIC_INT_GPIO) { |
| 3199 | val64 = readq(&bar0->gpio_int_reg); |
| 3200 | if (val64 & GPIO_INT_REG_DP_ERR_INT) { |
| 3201 | nic->mac_control.stats_info->sw_stat.parity_err_cnt++; |
| 3202 | schedule_work(&nic->rst_timer_task); |
| 3203 | nic->mac_control.stats_info->sw_stat.soft_reset_cnt++; |
| 3204 | } |
| 3205 | } |
| 3206 | |
| 3207 | /* Check for ring full counter */ |
| 3208 | if (nic->device_type & XFRAME_II_DEVICE) { |
| 3209 | val64 = readq(&bar0->ring_bump_counter1); |
| 3210 | for (i=0; i<4; i++) { |
| 3211 | cnt = ( val64 & vBIT(0xFFFF,(i*16),16)); |
| 3212 | cnt >>= 64 - ((i+1)*16); |
| 3213 | nic->mac_control.stats_info->sw_stat.ring_full_cnt |
| 3214 | += cnt; |
| 3215 | } |
| 3216 | |
| 3217 | val64 = readq(&bar0->ring_bump_counter2); |
| 3218 | for (i=0; i<4; i++) { |
| 3219 | cnt = ( val64 & vBIT(0xFFFF,(i*16),16)); |
| 3220 | cnt >>= 64 - ((i+1)*16); |
| 3221 | nic->mac_control.stats_info->sw_stat.ring_full_cnt |
| 3222 | += cnt; |
| 3223 | } |
| 3224 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3225 | |
| 3226 | /* Other type of interrupts are not being handled now, TODO */ |
| 3227 | } |
| 3228 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3229 | /** |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3230 | * wait_for_cmd_complete - waits for a command to complete. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3231 | * @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] | 3232 | * s2io_nic structure. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3233 | * Description: Function that waits for a command to Write into RMAC |
| 3234 | * ADDR DATA registers to be completed and returns either success or |
| 3235 | * error depending on whether the command was complete or not. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3236 | * Return value: |
| 3237 | * SUCCESS on success and FAILURE on failure. |
| 3238 | */ |
| 3239 | |
Sivakumar Subramani | 9fc93a4 | 2007-02-24 01:57:32 -0500 | [diff] [blame] | 3240 | static int wait_for_cmd_complete(void __iomem *addr, u64 busy_bit, |
| 3241 | int bit_state) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3242 | { |
Sivakumar Subramani | 9fc93a4 | 2007-02-24 01:57:32 -0500 | [diff] [blame] | 3243 | int ret = FAILURE, cnt = 0, delay = 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3244 | u64 val64; |
| 3245 | |
Sivakumar Subramani | 9fc93a4 | 2007-02-24 01:57:32 -0500 | [diff] [blame] | 3246 | if ((bit_state != S2IO_BIT_RESET) && (bit_state != S2IO_BIT_SET)) |
| 3247 | return FAILURE; |
| 3248 | |
| 3249 | do { |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 3250 | val64 = readq(addr); |
Sivakumar Subramani | 9fc93a4 | 2007-02-24 01:57:32 -0500 | [diff] [blame] | 3251 | if (bit_state == S2IO_BIT_RESET) { |
| 3252 | if (!(val64 & busy_bit)) { |
| 3253 | ret = SUCCESS; |
| 3254 | break; |
| 3255 | } |
| 3256 | } else { |
| 3257 | if (!(val64 & busy_bit)) { |
| 3258 | ret = SUCCESS; |
| 3259 | break; |
| 3260 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3261 | } |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 3262 | |
| 3263 | if(in_interrupt()) |
Sivakumar Subramani | 9fc93a4 | 2007-02-24 01:57:32 -0500 | [diff] [blame] | 3264 | mdelay(delay); |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 3265 | else |
Sivakumar Subramani | 9fc93a4 | 2007-02-24 01:57:32 -0500 | [diff] [blame] | 3266 | msleep(delay); |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 3267 | |
Sivakumar Subramani | 9fc93a4 | 2007-02-24 01:57:32 -0500 | [diff] [blame] | 3268 | if (++cnt >= 10) |
| 3269 | delay = 50; |
| 3270 | } while (cnt < 20); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3271 | return ret; |
| 3272 | } |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 3273 | /* |
| 3274 | * check_pci_device_id - Checks if the device id is supported |
| 3275 | * @id : device id |
| 3276 | * Description: Function to check if the pci device id is supported by driver. |
| 3277 | * Return value: Actual device id if supported else PCI_ANY_ID |
| 3278 | */ |
| 3279 | static u16 check_pci_device_id(u16 id) |
| 3280 | { |
| 3281 | switch (id) { |
| 3282 | case PCI_DEVICE_ID_HERC_WIN: |
| 3283 | case PCI_DEVICE_ID_HERC_UNI: |
| 3284 | return XFRAME_II_DEVICE; |
| 3285 | case PCI_DEVICE_ID_S2IO_UNI: |
| 3286 | case PCI_DEVICE_ID_S2IO_WIN: |
| 3287 | return XFRAME_I_DEVICE; |
| 3288 | default: |
| 3289 | return PCI_ANY_ID; |
| 3290 | } |
| 3291 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3292 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3293 | /** |
| 3294 | * s2io_reset - Resets the card. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3295 | * @sp : private member of the device structure. |
| 3296 | * Description: Function to Reset the card. This function then also |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3297 | * restores the previously saved PCI configuration space registers as |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3298 | * the card reset also resets the configuration space. |
| 3299 | * Return value: |
| 3300 | * void. |
| 3301 | */ |
| 3302 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3303 | static void s2io_reset(struct s2io_nic * sp) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3304 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3305 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3306 | u64 val64; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 3307 | u16 subid, pci_cmd; |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 3308 | int i; |
| 3309 | u16 val16; |
| 3310 | DBG_PRINT(INIT_DBG,"%s - Resetting XFrame card %s\n", |
| 3311 | __FUNCTION__, sp->dev->name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3312 | |
raghavendra.koushik@neterion.com | 0b1f7eb | 2005-08-03 12:39:56 -0700 | [diff] [blame] | 3313 | /* 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] | 3314 | 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] | 3315 | |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 3316 | if (sp->device_type == XFRAME_II_DEVICE) { |
| 3317 | int ret; |
| 3318 | ret = pci_set_power_state(sp->pdev, 3); |
| 3319 | if (!ret) |
| 3320 | ret = pci_set_power_state(sp->pdev, 0); |
| 3321 | else { |
| 3322 | DBG_PRINT(ERR_DBG,"%s PME based SW_Reset failed!\n", |
| 3323 | __FUNCTION__); |
| 3324 | goto old_way; |
| 3325 | } |
| 3326 | msleep(20); |
| 3327 | goto new_way; |
| 3328 | } |
| 3329 | old_way: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3330 | val64 = SW_RESET_ALL; |
| 3331 | writeq(val64, &bar0->sw_reset); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 3332 | new_way: |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 3333 | if (strstr(sp->product_name, "CX4")) { |
| 3334 | msleep(750); |
| 3335 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3336 | msleep(250); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 3337 | for (i = 0; i < S2IO_MAX_PCI_CONFIG_SPACE_REINIT; i++) { |
| 3338 | |
| 3339 | /* Restore the PCI state saved during initialization. */ |
| 3340 | pci_restore_state(sp->pdev); |
| 3341 | pci_read_config_word(sp->pdev, 0x2, &val16); |
| 3342 | if (check_pci_device_id(val16) != (u16)PCI_ANY_ID) |
| 3343 | break; |
| 3344 | msleep(200); |
| 3345 | } |
| 3346 | |
| 3347 | if (check_pci_device_id(val16) == (u16)PCI_ANY_ID) { |
| 3348 | DBG_PRINT(ERR_DBG,"%s SW_Reset failed!\n", __FUNCTION__); |
| 3349 | } |
| 3350 | |
| 3351 | pci_write_config_word(sp->pdev, PCIX_COMMAND_REGISTER, pci_cmd); |
| 3352 | |
| 3353 | s2io_init_pci(sp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3354 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3355 | /* Set swapper to enable I/O register access */ |
| 3356 | s2io_set_swapper(sp); |
| 3357 | |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3358 | /* Restore the MSIX table entries from local variables */ |
| 3359 | restore_xmsi_data(sp); |
| 3360 | |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 3361 | /* Clear certain PCI/PCI-X fields after reset */ |
raghavendra.koushik@neterion.com | 303bcb4 | 2005-08-03 12:41:38 -0700 | [diff] [blame] | 3362 | if (sp->device_type == XFRAME_II_DEVICE) { |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 3363 | /* Clear "detected parity error" bit */ |
raghavendra.koushik@neterion.com | 303bcb4 | 2005-08-03 12:41:38 -0700 | [diff] [blame] | 3364 | pci_write_config_word(sp->pdev, PCI_STATUS, 0x8000); |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 3365 | |
raghavendra.koushik@neterion.com | 303bcb4 | 2005-08-03 12:41:38 -0700 | [diff] [blame] | 3366 | /* Clearing PCIX Ecc status register */ |
| 3367 | pci_write_config_dword(sp->pdev, 0x68, 0x7C); |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 3368 | |
raghavendra.koushik@neterion.com | 303bcb4 | 2005-08-03 12:41:38 -0700 | [diff] [blame] | 3369 | /* Clearing PCI_STATUS error reflected here */ |
| 3370 | writeq(BIT(62), &bar0->txpic_int_reg); |
| 3371 | } |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 3372 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3373 | /* Reset device statistics maintained by OS */ |
| 3374 | memset(&sp->stats, 0, sizeof (struct net_device_stats)); |
| 3375 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3376 | /* SXE-002: Configure link and activity LED to turn it off */ |
| 3377 | subid = sp->pdev->subsystem_device; |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 3378 | if (((subid & 0xFF) >= 0x07) && |
| 3379 | (sp->device_type == XFRAME_I_DEVICE)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3380 | val64 = readq(&bar0->gpio_control); |
| 3381 | val64 |= 0x0000800000000000ULL; |
| 3382 | writeq(val64, &bar0->gpio_control); |
| 3383 | val64 = 0x0411040400000000ULL; |
viro@ftp.linux.org.uk | 509a267 | 2005-09-05 03:25:58 +0100 | [diff] [blame] | 3384 | writeq(val64, (void __iomem *)bar0 + 0x2700); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3385 | } |
| 3386 | |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 3387 | /* |
| 3388 | * Clear spurious ECC interrupts that would have occured on |
| 3389 | * XFRAME II cards after reset. |
| 3390 | */ |
| 3391 | if (sp->device_type == XFRAME_II_DEVICE) { |
| 3392 | val64 = readq(&bar0->pcc_err_reg); |
| 3393 | writeq(val64, &bar0->pcc_err_reg); |
| 3394 | } |
| 3395 | |
Sivakumar Subramani | d8d70ca | 2007-02-24 02:04:24 -0500 | [diff] [blame] | 3396 | /* restore the previously assigned mac address */ |
| 3397 | s2io_set_mac_addr(sp->dev, (u8 *)&sp->def_mac_addr[0].mac_addr); |
| 3398 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3399 | sp->device_enabled_once = FALSE; |
| 3400 | } |
| 3401 | |
| 3402 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3403 | * s2io_set_swapper - to set the swapper controle on the card |
| 3404 | * @sp : private member of the device structure, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3405 | * pointer to the s2io_nic structure. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3406 | * Description: Function to set the swapper control on the card |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3407 | * correctly depending on the 'endianness' of the system. |
| 3408 | * Return value: |
| 3409 | * SUCCESS on success and FAILURE on failure. |
| 3410 | */ |
| 3411 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3412 | static int s2io_set_swapper(struct s2io_nic * sp) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3413 | { |
| 3414 | struct net_device *dev = sp->dev; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3415 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3416 | u64 val64, valt, valr; |
| 3417 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3418 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3419 | * Set proper endian settings and verify the same by reading |
| 3420 | * the PIF Feed-back register. |
| 3421 | */ |
| 3422 | |
| 3423 | val64 = readq(&bar0->pif_rd_swapper_fb); |
| 3424 | if (val64 != 0x0123456789ABCDEFULL) { |
| 3425 | int i = 0; |
| 3426 | u64 value[] = { 0xC30000C3C30000C3ULL, /* FE=1, SE=1 */ |
| 3427 | 0x8100008181000081ULL, /* FE=1, SE=0 */ |
| 3428 | 0x4200004242000042ULL, /* FE=0, SE=1 */ |
| 3429 | 0}; /* FE=0, SE=0 */ |
| 3430 | |
| 3431 | while(i<4) { |
| 3432 | writeq(value[i], &bar0->swapper_ctrl); |
| 3433 | val64 = readq(&bar0->pif_rd_swapper_fb); |
| 3434 | if (val64 == 0x0123456789ABCDEFULL) |
| 3435 | break; |
| 3436 | i++; |
| 3437 | } |
| 3438 | if (i == 4) { |
| 3439 | DBG_PRINT(ERR_DBG, "%s: Endian settings are wrong, ", |
| 3440 | dev->name); |
| 3441 | DBG_PRINT(ERR_DBG, "feedback read %llx\n", |
| 3442 | (unsigned long long) val64); |
| 3443 | return FAILURE; |
| 3444 | } |
| 3445 | valr = value[i]; |
| 3446 | } else { |
| 3447 | valr = readq(&bar0->swapper_ctrl); |
| 3448 | } |
| 3449 | |
| 3450 | valt = 0x0123456789ABCDEFULL; |
| 3451 | writeq(valt, &bar0->xmsi_address); |
| 3452 | val64 = readq(&bar0->xmsi_address); |
| 3453 | |
| 3454 | if(val64 != valt) { |
| 3455 | int i = 0; |
| 3456 | u64 value[] = { 0x00C3C30000C3C300ULL, /* FE=1, SE=1 */ |
| 3457 | 0x0081810000818100ULL, /* FE=1, SE=0 */ |
| 3458 | 0x0042420000424200ULL, /* FE=0, SE=1 */ |
| 3459 | 0}; /* FE=0, SE=0 */ |
| 3460 | |
| 3461 | while(i<4) { |
| 3462 | writeq((value[i] | valr), &bar0->swapper_ctrl); |
| 3463 | writeq(valt, &bar0->xmsi_address); |
| 3464 | val64 = readq(&bar0->xmsi_address); |
| 3465 | if(val64 == valt) |
| 3466 | break; |
| 3467 | i++; |
| 3468 | } |
| 3469 | if(i == 4) { |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3470 | unsigned long long x = val64; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3471 | DBG_PRINT(ERR_DBG, "Write failed, Xmsi_addr "); |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3472 | DBG_PRINT(ERR_DBG, "reads:0x%llx\n", x); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3473 | return FAILURE; |
| 3474 | } |
| 3475 | } |
| 3476 | val64 = readq(&bar0->swapper_ctrl); |
| 3477 | val64 &= 0xFFFF000000000000ULL; |
| 3478 | |
| 3479 | #ifdef __BIG_ENDIAN |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3480 | /* |
| 3481 | * The device by default set to a big endian format, so a |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3482 | * big endian driver need not set anything. |
| 3483 | */ |
| 3484 | val64 |= (SWAPPER_CTRL_TXP_FE | |
| 3485 | SWAPPER_CTRL_TXP_SE | |
| 3486 | SWAPPER_CTRL_TXD_R_FE | |
| 3487 | SWAPPER_CTRL_TXD_W_FE | |
| 3488 | SWAPPER_CTRL_TXF_R_FE | |
| 3489 | SWAPPER_CTRL_RXD_R_FE | |
| 3490 | SWAPPER_CTRL_RXD_W_FE | |
| 3491 | SWAPPER_CTRL_RXF_W_FE | |
| 3492 | SWAPPER_CTRL_XMSI_FE | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3493 | SWAPPER_CTRL_STATS_FE | SWAPPER_CTRL_STATS_SE); |
Andrew Morton | 9238334 | 2005-10-16 00:11:29 -0700 | [diff] [blame] | 3494 | if (sp->intr_type == INTA) |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3495 | val64 |= SWAPPER_CTRL_XMSI_SE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3496 | writeq(val64, &bar0->swapper_ctrl); |
| 3497 | #else |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3498 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3499 | * 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] | 3500 | * driver, then we selectively enable only those bits that |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3501 | * we want to set. |
| 3502 | */ |
| 3503 | val64 |= (SWAPPER_CTRL_TXP_FE | |
| 3504 | SWAPPER_CTRL_TXP_SE | |
| 3505 | SWAPPER_CTRL_TXD_R_FE | |
| 3506 | SWAPPER_CTRL_TXD_R_SE | |
| 3507 | SWAPPER_CTRL_TXD_W_FE | |
| 3508 | SWAPPER_CTRL_TXD_W_SE | |
| 3509 | SWAPPER_CTRL_TXF_R_FE | |
| 3510 | SWAPPER_CTRL_RXD_R_FE | |
| 3511 | SWAPPER_CTRL_RXD_R_SE | |
| 3512 | SWAPPER_CTRL_RXD_W_FE | |
| 3513 | SWAPPER_CTRL_RXD_W_SE | |
| 3514 | SWAPPER_CTRL_RXF_W_FE | |
| 3515 | SWAPPER_CTRL_XMSI_FE | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3516 | SWAPPER_CTRL_STATS_FE | SWAPPER_CTRL_STATS_SE); |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3517 | if (sp->intr_type == INTA) |
| 3518 | val64 |= SWAPPER_CTRL_XMSI_SE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3519 | writeq(val64, &bar0->swapper_ctrl); |
| 3520 | #endif |
| 3521 | val64 = readq(&bar0->swapper_ctrl); |
| 3522 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3523 | /* |
| 3524 | * Verifying if endian settings are accurate by reading a |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3525 | * feedback register. |
| 3526 | */ |
| 3527 | val64 = readq(&bar0->pif_rd_swapper_fb); |
| 3528 | if (val64 != 0x0123456789ABCDEFULL) { |
| 3529 | /* Endian settings are incorrect, calls for another dekko. */ |
| 3530 | DBG_PRINT(ERR_DBG, "%s: Endian settings are wrong, ", |
| 3531 | dev->name); |
| 3532 | DBG_PRINT(ERR_DBG, "feedback read %llx\n", |
| 3533 | (unsigned long long) val64); |
| 3534 | return FAILURE; |
| 3535 | } |
| 3536 | |
| 3537 | return SUCCESS; |
| 3538 | } |
| 3539 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3540 | static int wait_for_msix_trans(struct s2io_nic *nic, int i) |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3541 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3542 | struct XENA_dev_config __iomem *bar0 = nic->bar0; |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3543 | u64 val64; |
| 3544 | int ret = 0, cnt = 0; |
| 3545 | |
| 3546 | do { |
| 3547 | val64 = readq(&bar0->xmsi_access); |
| 3548 | if (!(val64 & BIT(15))) |
| 3549 | break; |
| 3550 | mdelay(1); |
| 3551 | cnt++; |
| 3552 | } while(cnt < 5); |
| 3553 | if (cnt == 5) { |
| 3554 | DBG_PRINT(ERR_DBG, "XMSI # %d Access failed\n", i); |
| 3555 | ret = 1; |
| 3556 | } |
| 3557 | |
| 3558 | return ret; |
| 3559 | } |
| 3560 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3561 | static void restore_xmsi_data(struct s2io_nic *nic) |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3562 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3563 | struct XENA_dev_config __iomem *bar0 = nic->bar0; |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3564 | u64 val64; |
| 3565 | int i; |
| 3566 | |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 3567 | for (i=0; i < MAX_REQUESTED_MSI_X; i++) { |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3568 | writeq(nic->msix_info[i].addr, &bar0->xmsi_address); |
| 3569 | writeq(nic->msix_info[i].data, &bar0->xmsi_data); |
| 3570 | val64 = (BIT(7) | BIT(15) | vBIT(i, 26, 6)); |
| 3571 | writeq(val64, &bar0->xmsi_access); |
| 3572 | if (wait_for_msix_trans(nic, i)) { |
| 3573 | DBG_PRINT(ERR_DBG, "failed in %s\n", __FUNCTION__); |
| 3574 | continue; |
| 3575 | } |
| 3576 | } |
| 3577 | } |
| 3578 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3579 | static void store_xmsi_data(struct s2io_nic *nic) |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3580 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3581 | struct XENA_dev_config __iomem *bar0 = nic->bar0; |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3582 | u64 val64, addr, data; |
| 3583 | int i; |
| 3584 | |
| 3585 | /* Store and display */ |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 3586 | for (i=0; i < MAX_REQUESTED_MSI_X; i++) { |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3587 | val64 = (BIT(15) | vBIT(i, 26, 6)); |
| 3588 | writeq(val64, &bar0->xmsi_access); |
| 3589 | if (wait_for_msix_trans(nic, i)) { |
| 3590 | DBG_PRINT(ERR_DBG, "failed in %s\n", __FUNCTION__); |
| 3591 | continue; |
| 3592 | } |
| 3593 | addr = readq(&bar0->xmsi_address); |
| 3594 | data = readq(&bar0->xmsi_data); |
| 3595 | if (addr && data) { |
| 3596 | nic->msix_info[i].addr = addr; |
| 3597 | nic->msix_info[i].data = data; |
| 3598 | } |
| 3599 | } |
| 3600 | } |
| 3601 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3602 | int s2io_enable_msi(struct s2io_nic *nic) |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3603 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3604 | struct XENA_dev_config __iomem *bar0 = nic->bar0; |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3605 | u16 msi_ctrl, msg_val; |
| 3606 | struct config_param *config = &nic->config; |
| 3607 | struct net_device *dev = nic->dev; |
| 3608 | u64 val64, tx_mat, rx_mat; |
| 3609 | int i, err; |
| 3610 | |
| 3611 | val64 = readq(&bar0->pic_control); |
| 3612 | val64 &= ~BIT(1); |
| 3613 | writeq(val64, &bar0->pic_control); |
| 3614 | |
| 3615 | err = pci_enable_msi(nic->pdev); |
| 3616 | if (err) { |
| 3617 | DBG_PRINT(ERR_DBG, "%s: enabling MSI failed\n", |
| 3618 | nic->dev->name); |
| 3619 | return err; |
| 3620 | } |
| 3621 | |
| 3622 | /* |
| 3623 | * Enable MSI and use MSI-1 in stead of the standard MSI-0 |
| 3624 | * for interrupt handling. |
| 3625 | */ |
| 3626 | pci_read_config_word(nic->pdev, 0x4c, &msg_val); |
| 3627 | msg_val ^= 0x1; |
| 3628 | pci_write_config_word(nic->pdev, 0x4c, msg_val); |
| 3629 | pci_read_config_word(nic->pdev, 0x4c, &msg_val); |
| 3630 | |
| 3631 | pci_read_config_word(nic->pdev, 0x42, &msi_ctrl); |
| 3632 | msi_ctrl |= 0x10; |
| 3633 | pci_write_config_word(nic->pdev, 0x42, msi_ctrl); |
| 3634 | |
| 3635 | /* program MSI-1 into all usable Tx_Mat and Rx_Mat fields */ |
| 3636 | tx_mat = readq(&bar0->tx_mat0_n[0]); |
| 3637 | for (i=0; i<config->tx_fifo_num; i++) { |
| 3638 | tx_mat |= TX_MAT_SET(i, 1); |
| 3639 | } |
| 3640 | writeq(tx_mat, &bar0->tx_mat0_n[0]); |
| 3641 | |
| 3642 | rx_mat = readq(&bar0->rx_mat); |
| 3643 | for (i=0; i<config->rx_ring_num; i++) { |
| 3644 | rx_mat |= RX_MAT_SET(i, 1); |
| 3645 | } |
| 3646 | writeq(rx_mat, &bar0->rx_mat); |
| 3647 | |
| 3648 | dev->irq = nic->pdev->irq; |
| 3649 | return 0; |
| 3650 | } |
| 3651 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3652 | static int s2io_enable_msi_x(struct s2io_nic *nic) |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3653 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3654 | struct XENA_dev_config __iomem *bar0 = nic->bar0; |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3655 | u64 tx_mat, rx_mat; |
| 3656 | u16 msi_control; /* Temp variable */ |
| 3657 | int ret, i, j, msix_indx = 1; |
| 3658 | |
| 3659 | nic->entries = kmalloc(MAX_REQUESTED_MSI_X * sizeof(struct msix_entry), |
| 3660 | GFP_KERNEL); |
| 3661 | if (nic->entries == NULL) { |
| 3662 | DBG_PRINT(ERR_DBG, "%s: Memory allocation failed\n", __FUNCTION__); |
| 3663 | return -ENOMEM; |
| 3664 | } |
| 3665 | memset(nic->entries, 0, MAX_REQUESTED_MSI_X * sizeof(struct msix_entry)); |
| 3666 | |
| 3667 | nic->s2io_entries = |
| 3668 | kmalloc(MAX_REQUESTED_MSI_X * sizeof(struct s2io_msix_entry), |
| 3669 | GFP_KERNEL); |
| 3670 | if (nic->s2io_entries == NULL) { |
| 3671 | DBG_PRINT(ERR_DBG, "%s: Memory allocation failed\n", __FUNCTION__); |
| 3672 | kfree(nic->entries); |
| 3673 | return -ENOMEM; |
| 3674 | } |
| 3675 | memset(nic->s2io_entries, 0, |
| 3676 | MAX_REQUESTED_MSI_X * sizeof(struct s2io_msix_entry)); |
| 3677 | |
| 3678 | for (i=0; i< MAX_REQUESTED_MSI_X; i++) { |
| 3679 | nic->entries[i].entry = i; |
| 3680 | nic->s2io_entries[i].entry = i; |
| 3681 | nic->s2io_entries[i].arg = NULL; |
| 3682 | nic->s2io_entries[i].in_use = 0; |
| 3683 | } |
| 3684 | |
| 3685 | tx_mat = readq(&bar0->tx_mat0_n[0]); |
| 3686 | for (i=0; i<nic->config.tx_fifo_num; i++, msix_indx++) { |
| 3687 | tx_mat |= TX_MAT_SET(i, msix_indx); |
| 3688 | nic->s2io_entries[msix_indx].arg = &nic->mac_control.fifos[i]; |
| 3689 | nic->s2io_entries[msix_indx].type = MSIX_FIFO_TYPE; |
| 3690 | nic->s2io_entries[msix_indx].in_use = MSIX_FLG; |
| 3691 | } |
| 3692 | writeq(tx_mat, &bar0->tx_mat0_n[0]); |
| 3693 | |
| 3694 | if (!nic->config.bimodal) { |
| 3695 | rx_mat = readq(&bar0->rx_mat); |
| 3696 | for (j=0; j<nic->config.rx_ring_num; j++, msix_indx++) { |
| 3697 | rx_mat |= RX_MAT_SET(j, msix_indx); |
| 3698 | nic->s2io_entries[msix_indx].arg = &nic->mac_control.rings[j]; |
| 3699 | nic->s2io_entries[msix_indx].type = MSIX_RING_TYPE; |
| 3700 | nic->s2io_entries[msix_indx].in_use = MSIX_FLG; |
| 3701 | } |
| 3702 | writeq(rx_mat, &bar0->rx_mat); |
| 3703 | } else { |
| 3704 | tx_mat = readq(&bar0->tx_mat0_n[7]); |
| 3705 | for (j=0; j<nic->config.rx_ring_num; j++, msix_indx++) { |
| 3706 | tx_mat |= TX_MAT_SET(i, msix_indx); |
| 3707 | nic->s2io_entries[msix_indx].arg = &nic->mac_control.rings[j]; |
| 3708 | nic->s2io_entries[msix_indx].type = MSIX_RING_TYPE; |
| 3709 | nic->s2io_entries[msix_indx].in_use = MSIX_FLG; |
| 3710 | } |
| 3711 | writeq(tx_mat, &bar0->tx_mat0_n[7]); |
| 3712 | } |
| 3713 | |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 3714 | nic->avail_msix_vectors = 0; |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3715 | ret = pci_enable_msix(nic->pdev, nic->entries, MAX_REQUESTED_MSI_X); |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 3716 | /* We fail init if error or we get less vectors than min required */ |
| 3717 | if (ret >= (nic->config.tx_fifo_num + nic->config.rx_ring_num + 1)) { |
| 3718 | nic->avail_msix_vectors = ret; |
| 3719 | ret = pci_enable_msix(nic->pdev, nic->entries, ret); |
| 3720 | } |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3721 | if (ret) { |
| 3722 | DBG_PRINT(ERR_DBG, "%s: Enabling MSIX failed\n", nic->dev->name); |
| 3723 | kfree(nic->entries); |
| 3724 | kfree(nic->s2io_entries); |
| 3725 | nic->entries = NULL; |
| 3726 | nic->s2io_entries = NULL; |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 3727 | nic->avail_msix_vectors = 0; |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3728 | return -ENOMEM; |
| 3729 | } |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 3730 | if (!nic->avail_msix_vectors) |
| 3731 | nic->avail_msix_vectors = MAX_REQUESTED_MSI_X; |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3732 | |
| 3733 | /* |
| 3734 | * To enable MSI-X, MSI also needs to be enabled, due to a bug |
| 3735 | * in the herc NIC. (Temp change, needs to be removed later) |
| 3736 | */ |
| 3737 | pci_read_config_word(nic->pdev, 0x42, &msi_control); |
| 3738 | msi_control |= 0x1; /* Enable MSI */ |
| 3739 | pci_write_config_word(nic->pdev, 0x42, msi_control); |
| 3740 | |
| 3741 | return 0; |
| 3742 | } |
| 3743 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3744 | /* ********************************************************* * |
| 3745 | * Functions defined below concern the OS part of the driver * |
| 3746 | * ********************************************************* */ |
| 3747 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3748 | /** |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3749 | * s2io_open - open entry point of the driver |
| 3750 | * @dev : pointer to the device structure. |
| 3751 | * Description: |
| 3752 | * This function is the open entry point of the driver. It mainly calls a |
| 3753 | * 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] | 3754 | * descriptors and then enables the Rx part of the NIC. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3755 | * Return value: |
| 3756 | * 0 on success and an appropriate (-)ve integer as defined in errno.h |
| 3757 | * file on failure. |
| 3758 | */ |
| 3759 | |
Adrian Bunk | ac1f60d | 2005-11-06 01:46:47 +0100 | [diff] [blame] | 3760 | static int s2io_open(struct net_device *dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3761 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3762 | struct s2io_nic *sp = dev->priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3763 | int err = 0; |
| 3764 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3765 | /* |
| 3766 | * Make sure you have link off by default every time |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3767 | * Nic is initialized |
| 3768 | */ |
| 3769 | netif_carrier_off(dev); |
raghavendra.koushik@neterion.com | 0b1f7eb | 2005-08-03 12:39:56 -0700 | [diff] [blame] | 3770 | sp->last_link_state = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3771 | |
| 3772 | /* Initialize H/W and enable interrupts */ |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 3773 | err = s2io_card_up(sp); |
| 3774 | if (err) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3775 | DBG_PRINT(ERR_DBG, "%s: H/W initialization failed\n", |
| 3776 | dev->name); |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 3777 | goto hw_init_failed; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3778 | } |
| 3779 | |
| 3780 | if (s2io_set_mac_addr(dev, dev->dev_addr) == FAILURE) { |
| 3781 | DBG_PRINT(ERR_DBG, "Set Mac Address Failed\n"); |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 3782 | s2io_card_down(sp); |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3783 | err = -ENODEV; |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 3784 | goto hw_init_failed; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3785 | } |
| 3786 | |
| 3787 | netif_start_queue(dev); |
| 3788 | return 0; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3789 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3790 | hw_init_failed: |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3791 | if (sp->intr_type == MSI_X) { |
| 3792 | if (sp->entries) |
| 3793 | kfree(sp->entries); |
| 3794 | if (sp->s2io_entries) |
| 3795 | kfree(sp->s2io_entries); |
| 3796 | } |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3797 | return err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3798 | } |
| 3799 | |
| 3800 | /** |
| 3801 | * s2io_close -close entry point of the driver |
| 3802 | * @dev : device pointer. |
| 3803 | * Description: |
| 3804 | * This is the stop entry point of the driver. It needs to undo exactly |
| 3805 | * whatever was done by the open entry point,thus it's usually referred to |
| 3806 | * as the close function.Among other things this function mainly stops the |
| 3807 | * Rx side of the NIC and frees all the Rx buffers in the Rx rings. |
| 3808 | * Return value: |
| 3809 | * 0 on success and an appropriate (-)ve integer as defined in errno.h |
| 3810 | * file on failure. |
| 3811 | */ |
| 3812 | |
Adrian Bunk | ac1f60d | 2005-11-06 01:46:47 +0100 | [diff] [blame] | 3813 | static int s2io_close(struct net_device *dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3814 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3815 | struct s2io_nic *sp = dev->priv; |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3816 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3817 | netif_stop_queue(dev); |
| 3818 | /* Reset card, kill tasklet and free Tx and Rx buffers. */ |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 3819 | s2io_card_down(sp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3820 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3821 | sp->device_close_flag = TRUE; /* Device is shut down. */ |
| 3822 | return 0; |
| 3823 | } |
| 3824 | |
| 3825 | /** |
| 3826 | * s2io_xmit - Tx entry point of te driver |
| 3827 | * @skb : the socket buffer containing the Tx data. |
| 3828 | * @dev : device pointer. |
| 3829 | * Description : |
| 3830 | * This function is the Tx entry point of the driver. S2IO NIC supports |
| 3831 | * certain protocol assist features on Tx side, namely CSO, S/G, LSO. |
| 3832 | * NOTE: when device cant queue the pkt,just the trans_start variable will |
| 3833 | * not be upadted. |
| 3834 | * Return value: |
| 3835 | * 0 on success & 1 on failure. |
| 3836 | */ |
| 3837 | |
Adrian Bunk | ac1f60d | 2005-11-06 01:46:47 +0100 | [diff] [blame] | 3838 | static int s2io_xmit(struct sk_buff *skb, struct net_device *dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3839 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3840 | struct s2io_nic *sp = dev->priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3841 | u16 frg_cnt, frg_len, i, queue, queue_len, put_off, get_off; |
| 3842 | register u64 val64; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3843 | struct TxD *txdp; |
| 3844 | struct TxFIFO_element __iomem *tx_fifo; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3845 | unsigned long flags; |
raghavendra.koushik@neterion.com | be3a6b0 | 2005-08-03 12:35:55 -0700 | [diff] [blame] | 3846 | u16 vlan_tag = 0; |
| 3847 | int vlan_priority = 0; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3848 | struct mac_info *mac_control; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3849 | struct config_param *config; |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 3850 | int offload_type; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3851 | |
| 3852 | mac_control = &sp->mac_control; |
| 3853 | config = &sp->config; |
| 3854 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3855 | DBG_PRINT(TX_DBG, "%s: In Neterion Tx routine\n", dev->name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3856 | spin_lock_irqsave(&sp->tx_lock, flags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3857 | if (atomic_read(&sp->card_state) == CARD_DOWN) { |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3858 | DBG_PRINT(TX_DBG, "%s: Card going down for reset\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3859 | dev->name); |
| 3860 | spin_unlock_irqrestore(&sp->tx_lock, flags); |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3861 | dev_kfree_skb(skb); |
| 3862 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3863 | } |
| 3864 | |
| 3865 | queue = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3866 | |
raghavendra.koushik@neterion.com | be3a6b0 | 2005-08-03 12:35:55 -0700 | [diff] [blame] | 3867 | /* Get Fifo number to Transmit based on vlan priority */ |
| 3868 | if (sp->vlgrp && vlan_tx_tag_present(skb)) { |
| 3869 | vlan_tag = vlan_tx_tag_get(skb); |
| 3870 | vlan_priority = vlan_tag >> 13; |
| 3871 | queue = config->fifo_mapping[vlan_priority]; |
| 3872 | } |
| 3873 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3874 | put_off = (u16) mac_control->fifos[queue].tx_curr_put_info.offset; |
| 3875 | get_off = (u16) mac_control->fifos[queue].tx_curr_get_info.offset; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3876 | txdp = (struct TxD *) mac_control->fifos[queue].list_info[put_off]. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3877 | list_virt_addr; |
| 3878 | |
| 3879 | queue_len = mac_control->fifos[queue].tx_curr_put_info.fifo_len + 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3880 | /* Avoid "put" pointer going beyond "get" pointer */ |
Ananda Raju | 863c11a | 2006-04-21 19:03:13 -0400 | [diff] [blame] | 3881 | if (txdp->Host_Control || |
| 3882 | ((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] | 3883 | DBG_PRINT(TX_DBG, "Error in xmit, No free TXDs.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3884 | netif_stop_queue(dev); |
| 3885 | dev_kfree_skb(skb); |
| 3886 | spin_unlock_irqrestore(&sp->tx_lock, flags); |
| 3887 | return 0; |
| 3888 | } |
raghavendra.koushik@neterion.com | 0b1f7eb | 2005-08-03 12:39:56 -0700 | [diff] [blame] | 3889 | |
| 3890 | /* A buffer with no data will be dropped */ |
| 3891 | if (!skb->len) { |
| 3892 | DBG_PRINT(TX_DBG, "%s:Buffer has no data..\n", dev->name); |
| 3893 | dev_kfree_skb(skb); |
| 3894 | spin_unlock_irqrestore(&sp->tx_lock, flags); |
| 3895 | return 0; |
| 3896 | } |
| 3897 | |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 3898 | offload_type = s2io_offload_type(skb); |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 3899 | if (offload_type & (SKB_GSO_TCPV4 | SKB_GSO_TCPV6)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3900 | txdp->Control_1 |= TXD_TCP_LSO_EN; |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 3901 | txdp->Control_1 |= TXD_TCP_LSO_MSS(s2io_tcp_mss(skb)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3902 | } |
Patrick McHardy | 84fa793 | 2006-08-29 16:44:56 -0700 | [diff] [blame] | 3903 | if (skb->ip_summed == CHECKSUM_PARTIAL) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3904 | txdp->Control_2 |= |
| 3905 | (TXD_TX_CKO_IPV4_EN | TXD_TX_CKO_TCP_EN | |
| 3906 | TXD_TX_CKO_UDP_EN); |
| 3907 | } |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 3908 | txdp->Control_1 |= TXD_GATHER_CODE_FIRST; |
| 3909 | txdp->Control_1 |= TXD_LIST_OWN_XENA; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3910 | txdp->Control_2 |= config->tx_intr_type; |
raghavendra.koushik@neterion.com | d8892c6 | 2005-08-03 12:33:12 -0700 | [diff] [blame] | 3911 | |
raghavendra.koushik@neterion.com | be3a6b0 | 2005-08-03 12:35:55 -0700 | [diff] [blame] | 3912 | if (sp->vlgrp && vlan_tx_tag_present(skb)) { |
| 3913 | txdp->Control_2 |= TXD_VLAN_ENABLE; |
| 3914 | txdp->Control_2 |= TXD_VLAN_TAG(vlan_tag); |
| 3915 | } |
| 3916 | |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 3917 | frg_len = skb->len - skb->data_len; |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 3918 | if (offload_type == SKB_GSO_UDP) { |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 3919 | int ufo_size; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3920 | |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 3921 | ufo_size = s2io_udp_mss(skb); |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 3922 | ufo_size &= ~7; |
| 3923 | txdp->Control_1 |= TXD_UFO_EN; |
| 3924 | txdp->Control_1 |= TXD_UFO_MSS(ufo_size); |
| 3925 | txdp->Control_1 |= TXD_BUFFER0_SIZE(8); |
| 3926 | #ifdef __BIG_ENDIAN |
| 3927 | sp->ufo_in_band_v[put_off] = |
| 3928 | (u64)skb_shinfo(skb)->ip6_frag_id; |
| 3929 | #else |
| 3930 | sp->ufo_in_band_v[put_off] = |
| 3931 | (u64)skb_shinfo(skb)->ip6_frag_id << 32; |
| 3932 | #endif |
| 3933 | txdp->Host_Control = (unsigned long)sp->ufo_in_band_v; |
| 3934 | txdp->Buffer_Pointer = pci_map_single(sp->pdev, |
| 3935 | sp->ufo_in_band_v, |
| 3936 | sizeof(u64), PCI_DMA_TODEVICE); |
| 3937 | txdp++; |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 3938 | } |
| 3939 | |
| 3940 | txdp->Buffer_Pointer = pci_map_single |
| 3941 | (sp->pdev, skb->data, frg_len, PCI_DMA_TODEVICE); |
| 3942 | txdp->Host_Control = (unsigned long) skb; |
| 3943 | txdp->Control_1 |= TXD_BUFFER0_SIZE(frg_len); |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 3944 | if (offload_type == SKB_GSO_UDP) |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 3945 | txdp->Control_1 |= TXD_UFO_EN; |
| 3946 | |
| 3947 | frg_cnt = skb_shinfo(skb)->nr_frags; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3948 | /* For fragmented SKB. */ |
| 3949 | for (i = 0; i < frg_cnt; i++) { |
| 3950 | skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; |
raghavendra.koushik@neterion.com | 0b1f7eb | 2005-08-03 12:39:56 -0700 | [diff] [blame] | 3951 | /* A '0' length fragment will be ignored */ |
| 3952 | if (!frag->size) |
| 3953 | continue; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3954 | txdp++; |
| 3955 | txdp->Buffer_Pointer = (u64) pci_map_page |
| 3956 | (sp->pdev, frag->page, frag->page_offset, |
| 3957 | frag->size, PCI_DMA_TODEVICE); |
Ananda Raju | efd51b5 | 2006-01-19 14:11:54 -0500 | [diff] [blame] | 3958 | txdp->Control_1 = TXD_BUFFER0_SIZE(frag->size); |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 3959 | if (offload_type == SKB_GSO_UDP) |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 3960 | txdp->Control_1 |= TXD_UFO_EN; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3961 | } |
| 3962 | txdp->Control_1 |= TXD_GATHER_CODE_LAST; |
| 3963 | |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 3964 | if (offload_type == SKB_GSO_UDP) |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 3965 | frg_cnt++; /* as Txd0 was used for inband header */ |
| 3966 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3967 | tx_fifo = mac_control->tx_FIFO_start[queue]; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3968 | val64 = mac_control->fifos[queue].list_info[put_off].list_phy_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3969 | writeq(val64, &tx_fifo->TxDL_Pointer); |
| 3970 | |
| 3971 | val64 = (TX_FIFO_LAST_TXD_NUM(frg_cnt) | TX_FIFO_FIRST_LIST | |
| 3972 | TX_FIFO_LAST_LIST); |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 3973 | if (offload_type) |
| 3974 | val64 |= TX_FIFO_SPECIAL_FUNC; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3975 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3976 | writeq(val64, &tx_fifo->List_Control); |
| 3977 | |
raghavendra.koushik@neterion.com | 303bcb4 | 2005-08-03 12:41:38 -0700 | [diff] [blame] | 3978 | mmiowb(); |
| 3979 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3980 | put_off++; |
Ananda Raju | 863c11a | 2006-04-21 19:03:13 -0400 | [diff] [blame] | 3981 | if (put_off == mac_control->fifos[queue].tx_curr_put_info.fifo_len + 1) |
| 3982 | put_off = 0; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3983 | mac_control->fifos[queue].tx_curr_put_info.offset = put_off; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3984 | |
| 3985 | /* Avoid "put" pointer going beyond "get" pointer */ |
Ananda Raju | 863c11a | 2006-04-21 19:03:13 -0400 | [diff] [blame] | 3986 | if (((put_off+1) == queue_len ? 0 : (put_off+1)) == get_off) { |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3987 | sp->mac_control.stats_info->sw_stat.fifo_full_cnt++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3988 | DBG_PRINT(TX_DBG, |
| 3989 | "No free TxDs for xmit, Put: 0x%x Get:0x%x\n", |
| 3990 | put_off, get_off); |
| 3991 | netif_stop_queue(dev); |
| 3992 | } |
| 3993 | |
| 3994 | dev->trans_start = jiffies; |
| 3995 | spin_unlock_irqrestore(&sp->tx_lock, flags); |
| 3996 | |
| 3997 | return 0; |
| 3998 | } |
| 3999 | |
raghavendra.koushik@neterion.com | 25fff88 | 2005-08-03 12:34:11 -0700 | [diff] [blame] | 4000 | static void |
| 4001 | s2io_alarm_handle(unsigned long data) |
| 4002 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 4003 | struct s2io_nic *sp = (struct s2io_nic *)data; |
raghavendra.koushik@neterion.com | 25fff88 | 2005-08-03 12:34:11 -0700 | [diff] [blame] | 4004 | |
| 4005 | alarm_intr_handler(sp); |
| 4006 | mod_timer(&sp->alarm_timer, jiffies + HZ / 2); |
| 4007 | } |
| 4008 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 4009 | static int s2io_chk_rx_buffers(struct s2io_nic *sp, int rng_n) |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 4010 | { |
| 4011 | int rxb_size, level; |
| 4012 | |
| 4013 | if (!sp->lro) { |
| 4014 | rxb_size = atomic_read(&sp->rx_bufs_left[rng_n]); |
| 4015 | level = rx_buffer_level(sp, rxb_size, rng_n); |
| 4016 | |
| 4017 | if ((level == PANIC) && (!TASKLET_IN_USE)) { |
| 4018 | int ret; |
| 4019 | DBG_PRINT(INTR_DBG, "%s: Rx BD hit ", __FUNCTION__); |
| 4020 | DBG_PRINT(INTR_DBG, "PANIC levels\n"); |
| 4021 | if ((ret = fill_rx_buffers(sp, rng_n)) == -ENOMEM) { |
| 4022 | DBG_PRINT(ERR_DBG, "Out of memory in %s", |
| 4023 | __FUNCTION__); |
| 4024 | clear_bit(0, (&sp->tasklet_status)); |
| 4025 | return -1; |
| 4026 | } |
| 4027 | clear_bit(0, (&sp->tasklet_status)); |
| 4028 | } else if (level == LOW) |
| 4029 | tasklet_schedule(&sp->task); |
| 4030 | |
| 4031 | } else if (fill_rx_buffers(sp, rng_n) == -ENOMEM) { |
| 4032 | DBG_PRINT(ERR_DBG, "%s:Out of memory", sp->dev->name); |
| 4033 | DBG_PRINT(ERR_DBG, " in Rx Intr!!\n"); |
| 4034 | } |
| 4035 | return 0; |
| 4036 | } |
| 4037 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 4038 | static irqreturn_t s2io_msi_handle(int irq, void *dev_id) |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 4039 | { |
| 4040 | struct net_device *dev = (struct net_device *) dev_id; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 4041 | struct s2io_nic *sp = dev->priv; |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 4042 | int i; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 4043 | struct mac_info *mac_control; |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 4044 | struct config_param *config; |
| 4045 | |
| 4046 | atomic_inc(&sp->isr_cnt); |
| 4047 | mac_control = &sp->mac_control; |
| 4048 | config = &sp->config; |
| 4049 | DBG_PRINT(INTR_DBG, "%s: MSI handler\n", __FUNCTION__); |
| 4050 | |
| 4051 | /* If Intr is because of Rx Traffic */ |
| 4052 | for (i = 0; i < config->rx_ring_num; i++) |
| 4053 | rx_intr_handler(&mac_control->rings[i]); |
| 4054 | |
| 4055 | /* If Intr is because of Tx Traffic */ |
| 4056 | for (i = 0; i < config->tx_fifo_num; i++) |
| 4057 | tx_intr_handler(&mac_control->fifos[i]); |
| 4058 | |
| 4059 | /* |
| 4060 | * If the Rx buffer count is below the panic threshold then |
| 4061 | * reallocate the buffers from the interrupt handler itself, |
| 4062 | * else schedule a tasklet to reallocate the buffers. |
| 4063 | */ |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 4064 | for (i = 0; i < config->rx_ring_num; i++) |
| 4065 | s2io_chk_rx_buffers(sp, i); |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 4066 | |
| 4067 | atomic_dec(&sp->isr_cnt); |
| 4068 | return IRQ_HANDLED; |
| 4069 | } |
| 4070 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 4071 | static irqreturn_t s2io_msix_ring_handle(int irq, void *dev_id) |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 4072 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 4073 | struct ring_info *ring = (struct ring_info *)dev_id; |
| 4074 | struct s2io_nic *sp = ring->nic; |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 4075 | |
| 4076 | atomic_inc(&sp->isr_cnt); |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 4077 | |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 4078 | rx_intr_handler(ring); |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 4079 | s2io_chk_rx_buffers(sp, ring->ring_no); |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 4080 | |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 4081 | atomic_dec(&sp->isr_cnt); |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 4082 | return IRQ_HANDLED; |
| 4083 | } |
| 4084 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 4085 | static irqreturn_t s2io_msix_fifo_handle(int irq, void *dev_id) |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 4086 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 4087 | struct fifo_info *fifo = (struct fifo_info *)dev_id; |
| 4088 | struct s2io_nic *sp = fifo->nic; |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 4089 | |
| 4090 | atomic_inc(&sp->isr_cnt); |
| 4091 | tx_intr_handler(fifo); |
| 4092 | atomic_dec(&sp->isr_cnt); |
| 4093 | return IRQ_HANDLED; |
| 4094 | } |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 4095 | static void s2io_txpic_intr_handle(struct s2io_nic *sp) |
raghavendra.koushik@neterion.com | a371a07 | 2005-08-03 12:38:59 -0700 | [diff] [blame] | 4096 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 4097 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
raghavendra.koushik@neterion.com | a371a07 | 2005-08-03 12:38:59 -0700 | [diff] [blame] | 4098 | u64 val64; |
| 4099 | |
| 4100 | val64 = readq(&bar0->pic_int_status); |
| 4101 | if (val64 & PIC_INT_GPIO) { |
| 4102 | val64 = readq(&bar0->gpio_int_reg); |
| 4103 | if ((val64 & GPIO_INT_REG_LINK_DOWN) && |
| 4104 | (val64 & GPIO_INT_REG_LINK_UP)) { |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 4105 | /* |
| 4106 | * This is unstable state so clear both up/down |
| 4107 | * interrupt and adapter to re-evaluate the link state. |
| 4108 | */ |
raghavendra.koushik@neterion.com | a371a07 | 2005-08-03 12:38:59 -0700 | [diff] [blame] | 4109 | val64 |= GPIO_INT_REG_LINK_DOWN; |
| 4110 | val64 |= GPIO_INT_REG_LINK_UP; |
| 4111 | writeq(val64, &bar0->gpio_int_reg); |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 4112 | val64 = readq(&bar0->gpio_int_mask); |
| 4113 | val64 &= ~(GPIO_INT_MASK_LINK_UP | |
| 4114 | GPIO_INT_MASK_LINK_DOWN); |
| 4115 | writeq(val64, &bar0->gpio_int_mask); |
raghavendra.koushik@neterion.com | a371a07 | 2005-08-03 12:38:59 -0700 | [diff] [blame] | 4116 | } |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 4117 | else if (val64 & GPIO_INT_REG_LINK_UP) { |
| 4118 | val64 = readq(&bar0->adapter_status); |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 4119 | /* Enable Adapter */ |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 4120 | val64 = readq(&bar0->adapter_control); |
| 4121 | val64 |= ADAPTER_CNTL_EN; |
| 4122 | writeq(val64, &bar0->adapter_control); |
| 4123 | val64 |= ADAPTER_LED_ON; |
| 4124 | writeq(val64, &bar0->adapter_control); |
| 4125 | if (!sp->device_enabled_once) |
| 4126 | sp->device_enabled_once = 1; |
raghavendra.koushik@neterion.com | a371a07 | 2005-08-03 12:38:59 -0700 | [diff] [blame] | 4127 | |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 4128 | s2io_link(sp, LINK_UP); |
| 4129 | /* |
| 4130 | * unmask link down interrupt and mask link-up |
| 4131 | * intr |
| 4132 | */ |
| 4133 | val64 = readq(&bar0->gpio_int_mask); |
| 4134 | val64 &= ~GPIO_INT_MASK_LINK_DOWN; |
| 4135 | val64 |= GPIO_INT_MASK_LINK_UP; |
| 4136 | writeq(val64, &bar0->gpio_int_mask); |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 4137 | |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 4138 | }else if (val64 & GPIO_INT_REG_LINK_DOWN) { |
| 4139 | val64 = readq(&bar0->adapter_status); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 4140 | s2io_link(sp, LINK_DOWN); |
| 4141 | /* Link is down so unmaks link up interrupt */ |
| 4142 | val64 = readq(&bar0->gpio_int_mask); |
| 4143 | val64 &= ~GPIO_INT_MASK_LINK_UP; |
| 4144 | val64 |= GPIO_INT_MASK_LINK_DOWN; |
| 4145 | writeq(val64, &bar0->gpio_int_mask); |
Sivakumar Subramani | ac1f90d | 2007-02-24 02:01:31 -0500 | [diff] [blame] | 4146 | |
| 4147 | /* turn off LED */ |
| 4148 | val64 = readq(&bar0->adapter_control); |
| 4149 | val64 = val64 &(~ADAPTER_LED_ON); |
| 4150 | writeq(val64, &bar0->adapter_control); |
raghavendra.koushik@neterion.com | a371a07 | 2005-08-03 12:38:59 -0700 | [diff] [blame] | 4151 | } |
| 4152 | } |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 4153 | val64 = readq(&bar0->gpio_int_mask); |
raghavendra.koushik@neterion.com | a371a07 | 2005-08-03 12:38:59 -0700 | [diff] [blame] | 4154 | } |
| 4155 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4156 | /** |
| 4157 | * s2io_isr - ISR handler of the device . |
| 4158 | * @irq: the irq of the device. |
| 4159 | * @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] | 4160 | * Description: This function is the ISR handler of the device. It |
| 4161 | * identifies the reason for the interrupt and calls the relevant |
| 4162 | * service routines. As a contongency measure, this ISR allocates the |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4163 | * recv buffers, if their numbers are below the panic value which is |
| 4164 | * presently set to 25% of the original number of rcv buffers allocated. |
| 4165 | * Return value: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4166 | * IRQ_HANDLED: will be returned if IRQ was handled by this routine |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4167 | * IRQ_NONE: will be returned if interrupt is not from our device |
| 4168 | */ |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 4169 | static irqreturn_t s2io_isr(int irq, void *dev_id) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4170 | { |
| 4171 | struct net_device *dev = (struct net_device *) dev_id; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 4172 | struct s2io_nic *sp = dev->priv; |
| 4173 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4174 | int i; |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 4175 | u64 reason = 0; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 4176 | struct mac_info *mac_control; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4177 | struct config_param *config; |
| 4178 | |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 4179 | atomic_inc(&sp->isr_cnt); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4180 | mac_control = &sp->mac_control; |
| 4181 | config = &sp->config; |
| 4182 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4183 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4184 | * Identify the cause for interrupt and call the appropriate |
| 4185 | * interrupt handler. Causes for the interrupt could be; |
| 4186 | * 1. Rx of packet. |
| 4187 | * 2. Tx complete. |
| 4188 | * 3. Link down. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4189 | * 4. Error in any functional blocks of the NIC. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4190 | */ |
| 4191 | reason = readq(&bar0->general_int_status); |
| 4192 | |
| 4193 | if (!reason) { |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 4194 | /* The interrupt was not raised by us. */ |
| 4195 | atomic_dec(&sp->isr_cnt); |
| 4196 | return IRQ_NONE; |
| 4197 | } |
| 4198 | else if (unlikely(reason == S2IO_MINUS_ONE) ) { |
| 4199 | /* Disable device and get out */ |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 4200 | atomic_dec(&sp->isr_cnt); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4201 | return IRQ_NONE; |
| 4202 | } |
| 4203 | |
Sivakumar Subramani | db874e6 | 2007-01-31 13:28:08 -0500 | [diff] [blame] | 4204 | if (napi) { |
| 4205 | if (reason & GEN_INTR_RXTRAFFIC) { |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 4206 | if ( likely ( netif_rx_schedule_prep(dev)) ) { |
Sivakumar Subramani | db874e6 | 2007-01-31 13:28:08 -0500 | [diff] [blame] | 4207 | __netif_rx_schedule(dev); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 4208 | writeq(S2IO_MINUS_ONE, &bar0->rx_traffic_mask); |
Sivakumar Subramani | db874e6 | 2007-01-31 13:28:08 -0500 | [diff] [blame] | 4209 | } |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 4210 | else |
| 4211 | writeq(S2IO_MINUS_ONE, &bar0->rx_traffic_int); |
Sivakumar Subramani | db874e6 | 2007-01-31 13:28:08 -0500 | [diff] [blame] | 4212 | } |
| 4213 | } else { |
| 4214 | /* |
| 4215 | * Rx handler is called by default, without checking for the |
| 4216 | * cause of interrupt. |
| 4217 | * rx_traffic_int reg is an R1 register, writing all 1's |
| 4218 | * will ensure that the actual interrupt causing bit get's |
| 4219 | * cleared and hence a read can be avoided. |
| 4220 | */ |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 4221 | if (reason & GEN_INTR_RXTRAFFIC) |
| 4222 | writeq(S2IO_MINUS_ONE, &bar0->rx_traffic_int); |
| 4223 | |
Sivakumar Subramani | db874e6 | 2007-01-31 13:28:08 -0500 | [diff] [blame] | 4224 | for (i = 0; i < config->rx_ring_num; i++) { |
| 4225 | rx_intr_handler(&mac_control->rings[i]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4226 | } |
| 4227 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4228 | |
Ananda Raju | 863c11a | 2006-04-21 19:03:13 -0400 | [diff] [blame] | 4229 | /* |
| 4230 | * tx_traffic_int reg is an R1 register, writing all 1's |
| 4231 | * will ensure that the actual interrupt causing bit get's |
| 4232 | * cleared and hence a read can be avoided. |
| 4233 | */ |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 4234 | if (reason & GEN_INTR_TXTRAFFIC) |
| 4235 | writeq(S2IO_MINUS_ONE, &bar0->tx_traffic_int); |
raghavendra.koushik@neterion.com | fe11363 | 2005-08-03 12:32:00 -0700 | [diff] [blame] | 4236 | |
Ananda Raju | 863c11a | 2006-04-21 19:03:13 -0400 | [diff] [blame] | 4237 | for (i = 0; i < config->tx_fifo_num; i++) |
| 4238 | tx_intr_handler(&mac_control->fifos[i]); |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4239 | |
raghavendra.koushik@neterion.com | a371a07 | 2005-08-03 12:38:59 -0700 | [diff] [blame] | 4240 | if (reason & GEN_INTR_TXPIC) |
| 4241 | s2io_txpic_intr_handle(sp); |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4242 | /* |
| 4243 | * If the Rx buffer count is below the panic threshold then |
| 4244 | * reallocate the buffers from the interrupt handler itself, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4245 | * else schedule a tasklet to reallocate the buffers. |
| 4246 | */ |
Sivakumar Subramani | db874e6 | 2007-01-31 13:28:08 -0500 | [diff] [blame] | 4247 | if (!napi) { |
| 4248 | for (i = 0; i < config->rx_ring_num; i++) |
| 4249 | s2io_chk_rx_buffers(sp, i); |
| 4250 | } |
| 4251 | |
| 4252 | writeq(0, &bar0->general_int_mask); |
| 4253 | readl(&bar0->general_int_status); |
| 4254 | |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 4255 | atomic_dec(&sp->isr_cnt); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4256 | return IRQ_HANDLED; |
| 4257 | } |
| 4258 | |
| 4259 | /** |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 4260 | * s2io_updt_stats - |
| 4261 | */ |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 4262 | static void s2io_updt_stats(struct s2io_nic *sp) |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 4263 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 4264 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 4265 | u64 val64; |
| 4266 | int cnt = 0; |
| 4267 | |
| 4268 | if (atomic_read(&sp->card_state) == CARD_UP) { |
| 4269 | /* Apprx 30us on a 133 MHz bus */ |
| 4270 | val64 = SET_UPDT_CLICKS(10) | |
| 4271 | STAT_CFG_ONE_SHOT_EN | STAT_CFG_STAT_EN; |
| 4272 | writeq(val64, &bar0->stat_cfg); |
| 4273 | do { |
| 4274 | udelay(100); |
| 4275 | val64 = readq(&bar0->stat_cfg); |
| 4276 | if (!(val64 & BIT(0))) |
| 4277 | break; |
| 4278 | cnt++; |
| 4279 | if (cnt == 5) |
| 4280 | break; /* Updt failed */ |
| 4281 | } while(1); |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 4282 | } else { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 4283 | memset(sp->mac_control.stats_info, 0, sizeof(struct stat_block)); |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 4284 | } |
| 4285 | } |
| 4286 | |
| 4287 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4288 | * s2io_get_stats - Updates the device statistics structure. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4289 | * @dev : pointer to the device structure. |
| 4290 | * Description: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4291 | * This function updates the device statistics structure in the s2io_nic |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4292 | * structure and returns a pointer to the same. |
| 4293 | * Return value: |
| 4294 | * pointer to the updated net_device_stats structure. |
| 4295 | */ |
| 4296 | |
Adrian Bunk | ac1f60d | 2005-11-06 01:46:47 +0100 | [diff] [blame] | 4297 | static struct net_device_stats *s2io_get_stats(struct net_device *dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4298 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 4299 | struct s2io_nic *sp = dev->priv; |
| 4300 | struct mac_info *mac_control; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4301 | struct config_param *config; |
| 4302 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4303 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4304 | mac_control = &sp->mac_control; |
| 4305 | config = &sp->config; |
| 4306 | |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 4307 | /* Configure Stats for immediate updt */ |
| 4308 | s2io_updt_stats(sp); |
| 4309 | |
| 4310 | sp->stats.tx_packets = |
| 4311 | le32_to_cpu(mac_control->stats_info->tmac_frms); |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4312 | sp->stats.tx_errors = |
| 4313 | le32_to_cpu(mac_control->stats_info->tmac_any_err_frms); |
| 4314 | sp->stats.rx_errors = |
Al Viro | ee705db | 2006-09-23 01:28:17 +0100 | [diff] [blame] | 4315 | le64_to_cpu(mac_control->stats_info->rmac_drop_frms); |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4316 | sp->stats.multicast = |
| 4317 | le32_to_cpu(mac_control->stats_info->rmac_vld_mcst_frms); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4318 | sp->stats.rx_length_errors = |
Al Viro | ee705db | 2006-09-23 01:28:17 +0100 | [diff] [blame] | 4319 | le64_to_cpu(mac_control->stats_info->rmac_long_frms); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4320 | |
| 4321 | return (&sp->stats); |
| 4322 | } |
| 4323 | |
| 4324 | /** |
| 4325 | * s2io_set_multicast - entry point for multicast address enable/disable. |
| 4326 | * @dev : pointer to the device structure |
| 4327 | * Description: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4328 | * This function is a driver entry point which gets called by the kernel |
| 4329 | * whenever multicast addresses must be enabled/disabled. This also gets |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4330 | * called to set/reset promiscuous mode. Depending on the deivce flag, we |
| 4331 | * determine, if multicast address must be enabled or if promiscuous mode |
| 4332 | * is to be disabled etc. |
| 4333 | * Return value: |
| 4334 | * void. |
| 4335 | */ |
| 4336 | |
| 4337 | static void s2io_set_multicast(struct net_device *dev) |
| 4338 | { |
| 4339 | int i, j, prev_cnt; |
| 4340 | struct dev_mc_list *mclist; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 4341 | struct s2io_nic *sp = dev->priv; |
| 4342 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4343 | u64 val64 = 0, multi_mac = 0x010203040506ULL, mask = |
| 4344 | 0xfeffffffffffULL; |
| 4345 | u64 dis_addr = 0xffffffffffffULL, mac_addr = 0; |
| 4346 | void __iomem *add; |
| 4347 | |
| 4348 | if ((dev->flags & IFF_ALLMULTI) && (!sp->m_cast_flg)) { |
| 4349 | /* Enable all Multicast addresses */ |
| 4350 | writeq(RMAC_ADDR_DATA0_MEM_ADDR(multi_mac), |
| 4351 | &bar0->rmac_addr_data0_mem); |
| 4352 | writeq(RMAC_ADDR_DATA1_MEM_MASK(mask), |
| 4353 | &bar0->rmac_addr_data1_mem); |
| 4354 | val64 = RMAC_ADDR_CMD_MEM_WE | |
| 4355 | RMAC_ADDR_CMD_MEM_STROBE_NEW_CMD | |
| 4356 | RMAC_ADDR_CMD_MEM_OFFSET(MAC_MC_ALL_MC_ADDR_OFFSET); |
| 4357 | writeq(val64, &bar0->rmac_addr_cmd_mem); |
| 4358 | /* Wait till command completes */ |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 4359 | wait_for_cmd_complete(&bar0->rmac_addr_cmd_mem, |
Sivakumar Subramani | 9fc93a4 | 2007-02-24 01:57:32 -0500 | [diff] [blame] | 4360 | RMAC_ADDR_CMD_MEM_STROBE_CMD_EXECUTING, |
| 4361 | S2IO_BIT_RESET); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4362 | |
| 4363 | sp->m_cast_flg = 1; |
| 4364 | sp->all_multi_pos = MAC_MC_ALL_MC_ADDR_OFFSET; |
| 4365 | } else if ((dev->flags & IFF_ALLMULTI) && (sp->m_cast_flg)) { |
| 4366 | /* Disable all Multicast addresses */ |
| 4367 | writeq(RMAC_ADDR_DATA0_MEM_ADDR(dis_addr), |
| 4368 | &bar0->rmac_addr_data0_mem); |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 4369 | writeq(RMAC_ADDR_DATA1_MEM_MASK(0x0), |
| 4370 | &bar0->rmac_addr_data1_mem); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4371 | val64 = RMAC_ADDR_CMD_MEM_WE | |
| 4372 | RMAC_ADDR_CMD_MEM_STROBE_NEW_CMD | |
| 4373 | RMAC_ADDR_CMD_MEM_OFFSET(sp->all_multi_pos); |
| 4374 | writeq(val64, &bar0->rmac_addr_cmd_mem); |
| 4375 | /* Wait till command completes */ |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 4376 | wait_for_cmd_complete(&bar0->rmac_addr_cmd_mem, |
Sivakumar Subramani | 9fc93a4 | 2007-02-24 01:57:32 -0500 | [diff] [blame] | 4377 | RMAC_ADDR_CMD_MEM_STROBE_CMD_EXECUTING, |
| 4378 | S2IO_BIT_RESET); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4379 | |
| 4380 | sp->m_cast_flg = 0; |
| 4381 | sp->all_multi_pos = 0; |
| 4382 | } |
| 4383 | |
| 4384 | if ((dev->flags & IFF_PROMISC) && (!sp->promisc_flg)) { |
| 4385 | /* Put the NIC into promiscuous mode */ |
| 4386 | add = &bar0->mac_cfg; |
| 4387 | val64 = readq(&bar0->mac_cfg); |
| 4388 | val64 |= MAC_CFG_RMAC_PROM_ENABLE; |
| 4389 | |
| 4390 | writeq(RMAC_CFG_KEY(0x4C0D), &bar0->rmac_cfg_key); |
| 4391 | writel((u32) val64, add); |
| 4392 | writeq(RMAC_CFG_KEY(0x4C0D), &bar0->rmac_cfg_key); |
| 4393 | writel((u32) (val64 >> 32), (add + 4)); |
| 4394 | |
Sivakumar Subramani | 926930b | 2007-02-24 01:59:39 -0500 | [diff] [blame] | 4395 | if (vlan_tag_strip != 1) { |
| 4396 | val64 = readq(&bar0->rx_pa_cfg); |
| 4397 | val64 &= ~RX_PA_CFG_STRIP_VLAN_TAG; |
| 4398 | writeq(val64, &bar0->rx_pa_cfg); |
| 4399 | vlan_strip_flag = 0; |
| 4400 | } |
| 4401 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4402 | val64 = readq(&bar0->mac_cfg); |
| 4403 | sp->promisc_flg = 1; |
ravinandan.arakali@neterion.com | 776bd20 | 2005-09-06 21:36:56 -0700 | [diff] [blame] | 4404 | DBG_PRINT(INFO_DBG, "%s: entered promiscuous mode\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4405 | dev->name); |
| 4406 | } else if (!(dev->flags & IFF_PROMISC) && (sp->promisc_flg)) { |
| 4407 | /* Remove the NIC from promiscuous mode */ |
| 4408 | add = &bar0->mac_cfg; |
| 4409 | val64 = readq(&bar0->mac_cfg); |
| 4410 | val64 &= ~MAC_CFG_RMAC_PROM_ENABLE; |
| 4411 | |
| 4412 | writeq(RMAC_CFG_KEY(0x4C0D), &bar0->rmac_cfg_key); |
| 4413 | writel((u32) val64, add); |
| 4414 | writeq(RMAC_CFG_KEY(0x4C0D), &bar0->rmac_cfg_key); |
| 4415 | writel((u32) (val64 >> 32), (add + 4)); |
| 4416 | |
Sivakumar Subramani | 926930b | 2007-02-24 01:59:39 -0500 | [diff] [blame] | 4417 | if (vlan_tag_strip != 0) { |
| 4418 | val64 = readq(&bar0->rx_pa_cfg); |
| 4419 | val64 |= RX_PA_CFG_STRIP_VLAN_TAG; |
| 4420 | writeq(val64, &bar0->rx_pa_cfg); |
| 4421 | vlan_strip_flag = 1; |
| 4422 | } |
| 4423 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4424 | val64 = readq(&bar0->mac_cfg); |
| 4425 | sp->promisc_flg = 0; |
ravinandan.arakali@neterion.com | 776bd20 | 2005-09-06 21:36:56 -0700 | [diff] [blame] | 4426 | DBG_PRINT(INFO_DBG, "%s: left promiscuous mode\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4427 | dev->name); |
| 4428 | } |
| 4429 | |
| 4430 | /* Update individual M_CAST address list */ |
| 4431 | if ((!sp->m_cast_flg) && dev->mc_count) { |
| 4432 | if (dev->mc_count > |
| 4433 | (MAX_ADDRS_SUPPORTED - MAC_MC_ADDR_START_OFFSET - 1)) { |
| 4434 | DBG_PRINT(ERR_DBG, "%s: No more Rx filters ", |
| 4435 | dev->name); |
| 4436 | DBG_PRINT(ERR_DBG, "can be added, please enable "); |
| 4437 | DBG_PRINT(ERR_DBG, "ALL_MULTI instead\n"); |
| 4438 | return; |
| 4439 | } |
| 4440 | |
| 4441 | prev_cnt = sp->mc_addr_count; |
| 4442 | sp->mc_addr_count = dev->mc_count; |
| 4443 | |
| 4444 | /* Clear out the previous list of Mc in the H/W. */ |
| 4445 | for (i = 0; i < prev_cnt; i++) { |
| 4446 | writeq(RMAC_ADDR_DATA0_MEM_ADDR(dis_addr), |
| 4447 | &bar0->rmac_addr_data0_mem); |
| 4448 | writeq(RMAC_ADDR_DATA1_MEM_MASK(0ULL), |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4449 | &bar0->rmac_addr_data1_mem); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4450 | val64 = RMAC_ADDR_CMD_MEM_WE | |
| 4451 | RMAC_ADDR_CMD_MEM_STROBE_NEW_CMD | |
| 4452 | RMAC_ADDR_CMD_MEM_OFFSET |
| 4453 | (MAC_MC_ADDR_START_OFFSET + i); |
| 4454 | writeq(val64, &bar0->rmac_addr_cmd_mem); |
| 4455 | |
| 4456 | /* Wait for command completes */ |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 4457 | if (wait_for_cmd_complete(&bar0->rmac_addr_cmd_mem, |
Sivakumar Subramani | 9fc93a4 | 2007-02-24 01:57:32 -0500 | [diff] [blame] | 4458 | RMAC_ADDR_CMD_MEM_STROBE_CMD_EXECUTING, |
| 4459 | S2IO_BIT_RESET)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4460 | DBG_PRINT(ERR_DBG, "%s: Adding ", |
| 4461 | dev->name); |
| 4462 | DBG_PRINT(ERR_DBG, "Multicasts failed\n"); |
| 4463 | return; |
| 4464 | } |
| 4465 | } |
| 4466 | |
| 4467 | /* Create the new Rx filter list and update the same in H/W. */ |
| 4468 | for (i = 0, mclist = dev->mc_list; i < dev->mc_count; |
| 4469 | i++, mclist = mclist->next) { |
| 4470 | memcpy(sp->usr_addrs[i].addr, mclist->dmi_addr, |
| 4471 | ETH_ALEN); |
Jeff Garzik | a7a80d5 | 2006-03-04 12:06:51 -0500 | [diff] [blame] | 4472 | mac_addr = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4473 | for (j = 0; j < ETH_ALEN; j++) { |
| 4474 | mac_addr |= mclist->dmi_addr[j]; |
| 4475 | mac_addr <<= 8; |
| 4476 | } |
| 4477 | mac_addr >>= 8; |
| 4478 | writeq(RMAC_ADDR_DATA0_MEM_ADDR(mac_addr), |
| 4479 | &bar0->rmac_addr_data0_mem); |
| 4480 | writeq(RMAC_ADDR_DATA1_MEM_MASK(0ULL), |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4481 | &bar0->rmac_addr_data1_mem); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4482 | val64 = RMAC_ADDR_CMD_MEM_WE | |
| 4483 | RMAC_ADDR_CMD_MEM_STROBE_NEW_CMD | |
| 4484 | RMAC_ADDR_CMD_MEM_OFFSET |
| 4485 | (i + MAC_MC_ADDR_START_OFFSET); |
| 4486 | writeq(val64, &bar0->rmac_addr_cmd_mem); |
| 4487 | |
| 4488 | /* Wait for command completes */ |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 4489 | if (wait_for_cmd_complete(&bar0->rmac_addr_cmd_mem, |
Sivakumar Subramani | 9fc93a4 | 2007-02-24 01:57:32 -0500 | [diff] [blame] | 4490 | RMAC_ADDR_CMD_MEM_STROBE_CMD_EXECUTING, |
| 4491 | S2IO_BIT_RESET)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4492 | DBG_PRINT(ERR_DBG, "%s: Adding ", |
| 4493 | dev->name); |
| 4494 | DBG_PRINT(ERR_DBG, "Multicasts failed\n"); |
| 4495 | return; |
| 4496 | } |
| 4497 | } |
| 4498 | } |
| 4499 | } |
| 4500 | |
| 4501 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4502 | * s2io_set_mac_addr - Programs the Xframe mac address |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4503 | * @dev : pointer to the device structure. |
| 4504 | * @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] | 4505 | * Description : This procedure will program the Xframe to receive |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4506 | * frames with new Mac Address |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4507 | * Return value: SUCCESS on success and an appropriate (-)ve integer |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4508 | * as defined in errno.h file on failure. |
| 4509 | */ |
| 4510 | |
Adrian Bunk | 26df54b | 2006-01-14 03:09:40 +0100 | [diff] [blame] | 4511 | static int s2io_set_mac_addr(struct net_device *dev, u8 * addr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4512 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 4513 | struct s2io_nic *sp = dev->priv; |
| 4514 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4515 | register u64 val64, mac_addr = 0; |
| 4516 | int i; |
Sivakumar Subramani | d8d70ca | 2007-02-24 02:04:24 -0500 | [diff] [blame] | 4517 | u64 old_mac_addr = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4518 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4519 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4520 | * Set the new MAC address as the new unicast filter and reflect this |
| 4521 | * change on the device address registered with the OS. It will be |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4522 | * at offset 0. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4523 | */ |
| 4524 | for (i = 0; i < ETH_ALEN; i++) { |
| 4525 | mac_addr <<= 8; |
| 4526 | mac_addr |= addr[i]; |
Sivakumar Subramani | d8d70ca | 2007-02-24 02:04:24 -0500 | [diff] [blame] | 4527 | old_mac_addr <<= 8; |
| 4528 | old_mac_addr |= sp->def_mac_addr[0].mac_addr[i]; |
| 4529 | } |
| 4530 | |
| 4531 | if(0 == mac_addr) |
| 4532 | return SUCCESS; |
| 4533 | |
| 4534 | /* Update the internal structure with this new mac address */ |
| 4535 | if(mac_addr != old_mac_addr) { |
| 4536 | memset(sp->def_mac_addr[0].mac_addr, 0, sizeof(ETH_ALEN)); |
| 4537 | sp->def_mac_addr[0].mac_addr[5] = (u8) (mac_addr); |
| 4538 | sp->def_mac_addr[0].mac_addr[4] = (u8) (mac_addr >> 8); |
| 4539 | sp->def_mac_addr[0].mac_addr[3] = (u8) (mac_addr >> 16); |
| 4540 | sp->def_mac_addr[0].mac_addr[2] = (u8) (mac_addr >> 24); |
| 4541 | sp->def_mac_addr[0].mac_addr[1] = (u8) (mac_addr >> 32); |
| 4542 | sp->def_mac_addr[0].mac_addr[0] = (u8) (mac_addr >> 40); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4543 | } |
| 4544 | |
| 4545 | writeq(RMAC_ADDR_DATA0_MEM_ADDR(mac_addr), |
| 4546 | &bar0->rmac_addr_data0_mem); |
| 4547 | |
| 4548 | val64 = |
| 4549 | RMAC_ADDR_CMD_MEM_WE | RMAC_ADDR_CMD_MEM_STROBE_NEW_CMD | |
| 4550 | RMAC_ADDR_CMD_MEM_OFFSET(0); |
| 4551 | writeq(val64, &bar0->rmac_addr_cmd_mem); |
| 4552 | /* Wait till command completes */ |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 4553 | if (wait_for_cmd_complete(&bar0->rmac_addr_cmd_mem, |
Sivakumar Subramani | 9fc93a4 | 2007-02-24 01:57:32 -0500 | [diff] [blame] | 4554 | RMAC_ADDR_CMD_MEM_STROBE_CMD_EXECUTING, S2IO_BIT_RESET)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4555 | DBG_PRINT(ERR_DBG, "%s: set_mac_addr failed\n", dev->name); |
| 4556 | return FAILURE; |
| 4557 | } |
| 4558 | |
| 4559 | return SUCCESS; |
| 4560 | } |
| 4561 | |
| 4562 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4563 | * s2io_ethtool_sset - Sets different link parameters. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4564 | * @sp : private member of the device structure, which is a pointer to the * s2io_nic structure. |
| 4565 | * @info: pointer to the structure with parameters given by ethtool to set |
| 4566 | * link information. |
| 4567 | * Description: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4568 | * The function sets different link parameters provided by the user onto |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4569 | * the NIC. |
| 4570 | * Return value: |
| 4571 | * 0 on success. |
| 4572 | */ |
| 4573 | |
| 4574 | static int s2io_ethtool_sset(struct net_device *dev, |
| 4575 | struct ethtool_cmd *info) |
| 4576 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 4577 | struct s2io_nic *sp = dev->priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4578 | if ((info->autoneg == AUTONEG_ENABLE) || |
| 4579 | (info->speed != SPEED_10000) || (info->duplex != DUPLEX_FULL)) |
| 4580 | return -EINVAL; |
| 4581 | else { |
| 4582 | s2io_close(sp->dev); |
| 4583 | s2io_open(sp->dev); |
| 4584 | } |
| 4585 | |
| 4586 | return 0; |
| 4587 | } |
| 4588 | |
| 4589 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4590 | * s2io_ethtol_gset - Return link specific information. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4591 | * @sp : private member of the device structure, pointer to the |
| 4592 | * s2io_nic structure. |
| 4593 | * @info : pointer to the structure with parameters given by ethtool |
| 4594 | * to return link information. |
| 4595 | * Description: |
| 4596 | * Returns link specific information like speed, duplex etc.. to ethtool. |
| 4597 | * Return value : |
| 4598 | * return 0 on success. |
| 4599 | */ |
| 4600 | |
| 4601 | static int s2io_ethtool_gset(struct net_device *dev, struct ethtool_cmd *info) |
| 4602 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 4603 | struct s2io_nic *sp = dev->priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4604 | info->supported = (SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE); |
| 4605 | info->advertising = (SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE); |
| 4606 | info->port = PORT_FIBRE; |
| 4607 | /* info->transceiver?? TODO */ |
| 4608 | |
| 4609 | if (netif_carrier_ok(sp->dev)) { |
| 4610 | info->speed = 10000; |
| 4611 | info->duplex = DUPLEX_FULL; |
| 4612 | } else { |
| 4613 | info->speed = -1; |
| 4614 | info->duplex = -1; |
| 4615 | } |
| 4616 | |
| 4617 | info->autoneg = AUTONEG_DISABLE; |
| 4618 | return 0; |
| 4619 | } |
| 4620 | |
| 4621 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4622 | * s2io_ethtool_gdrvinfo - Returns driver specific information. |
| 4623 | * @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] | 4624 | * s2io_nic structure. |
| 4625 | * @info : pointer to the structure with parameters given by ethtool to |
| 4626 | * return driver information. |
| 4627 | * Description: |
| 4628 | * Returns driver specefic information like name, version etc.. to ethtool. |
| 4629 | * Return value: |
| 4630 | * void |
| 4631 | */ |
| 4632 | |
| 4633 | static void s2io_ethtool_gdrvinfo(struct net_device *dev, |
| 4634 | struct ethtool_drvinfo *info) |
| 4635 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 4636 | struct s2io_nic *sp = dev->priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4637 | |
John W. Linville | dbc2309 | 2005-09-28 17:50:51 -0400 | [diff] [blame] | 4638 | strncpy(info->driver, s2io_driver_name, sizeof(info->driver)); |
| 4639 | strncpy(info->version, s2io_driver_version, sizeof(info->version)); |
| 4640 | strncpy(info->fw_version, "", sizeof(info->fw_version)); |
| 4641 | strncpy(info->bus_info, pci_name(sp->pdev), sizeof(info->bus_info)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4642 | info->regdump_len = XENA_REG_SPACE; |
| 4643 | info->eedump_len = XENA_EEPROM_SPACE; |
| 4644 | info->testinfo_len = S2IO_TEST_LEN; |
Sivakumar Subramani | fa1f0cb | 2007-02-24 02:03:22 -0500 | [diff] [blame] | 4645 | |
| 4646 | if (sp->device_type == XFRAME_I_DEVICE) |
| 4647 | info->n_stats = XFRAME_I_STAT_LEN; |
| 4648 | else |
| 4649 | info->n_stats = XFRAME_II_STAT_LEN; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4650 | } |
| 4651 | |
| 4652 | /** |
| 4653 | * 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] | 4654 | * @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] | 4655 | * s2io_nic structure. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4656 | * @regs : pointer to the structure with parameters given by ethtool for |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4657 | * dumping the registers. |
| 4658 | * @reg_space: The input argumnet into which all the registers are dumped. |
| 4659 | * Description: |
| 4660 | * Dumps the entire register space of xFrame NIC into the user given |
| 4661 | * buffer area. |
| 4662 | * Return value : |
| 4663 | * void . |
| 4664 | */ |
| 4665 | |
| 4666 | static void s2io_ethtool_gregs(struct net_device *dev, |
| 4667 | struct ethtool_regs *regs, void *space) |
| 4668 | { |
| 4669 | int i; |
| 4670 | u64 reg; |
| 4671 | u8 *reg_space = (u8 *) space; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 4672 | struct s2io_nic *sp = dev->priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4673 | |
| 4674 | regs->len = XENA_REG_SPACE; |
| 4675 | regs->version = sp->pdev->subsystem_device; |
| 4676 | |
| 4677 | for (i = 0; i < regs->len; i += 8) { |
| 4678 | reg = readq(sp->bar0 + i); |
| 4679 | memcpy((reg_space + i), ®, 8); |
| 4680 | } |
| 4681 | } |
| 4682 | |
| 4683 | /** |
| 4684 | * s2io_phy_id - timer function that alternates adapter LED. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4685 | * @data : address of the private member of the device structure, which |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4686 | * 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] | 4687 | * Description: This is actually the timer function that alternates the |
| 4688 | * adapter LED bit of the adapter control bit to set/reset every time on |
| 4689 | * 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] | 4690 | * once every second. |
| 4691 | */ |
| 4692 | static void s2io_phy_id(unsigned long data) |
| 4693 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 4694 | struct s2io_nic *sp = (struct s2io_nic *) data; |
| 4695 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4696 | u64 val64 = 0; |
| 4697 | u16 subid; |
| 4698 | |
| 4699 | subid = sp->pdev->subsystem_device; |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 4700 | if ((sp->device_type == XFRAME_II_DEVICE) || |
| 4701 | ((subid & 0xFF) >= 0x07)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4702 | val64 = readq(&bar0->gpio_control); |
| 4703 | val64 ^= GPIO_CTRL_GPIO_0; |
| 4704 | writeq(val64, &bar0->gpio_control); |
| 4705 | } else { |
| 4706 | val64 = readq(&bar0->adapter_control); |
| 4707 | val64 ^= ADAPTER_LED_ON; |
| 4708 | writeq(val64, &bar0->adapter_control); |
| 4709 | } |
| 4710 | |
| 4711 | mod_timer(&sp->id_timer, jiffies + HZ / 2); |
| 4712 | } |
| 4713 | |
| 4714 | /** |
| 4715 | * s2io_ethtool_idnic - To physically identify the nic on the system. |
| 4716 | * @sp : private member of the device structure, which is a pointer to the |
| 4717 | * s2io_nic structure. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4718 | * @id : pointer to the structure with identification parameters given by |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4719 | * ethtool. |
| 4720 | * Description: Used to physically identify the NIC on the system. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4721 | * 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] | 4722 | * identification. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4723 | * 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] | 4724 | * identification is possible only if it's link is up. |
| 4725 | * Return value: |
| 4726 | * int , returns 0 on success |
| 4727 | */ |
| 4728 | |
| 4729 | static int s2io_ethtool_idnic(struct net_device *dev, u32 data) |
| 4730 | { |
| 4731 | u64 val64 = 0, last_gpio_ctrl_val; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 4732 | struct s2io_nic *sp = dev->priv; |
| 4733 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4734 | u16 subid; |
| 4735 | |
| 4736 | subid = sp->pdev->subsystem_device; |
| 4737 | last_gpio_ctrl_val = readq(&bar0->gpio_control); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 4738 | if ((sp->device_type == XFRAME_I_DEVICE) && |
| 4739 | ((subid & 0xFF) < 0x07)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4740 | val64 = readq(&bar0->adapter_control); |
| 4741 | if (!(val64 & ADAPTER_CNTL_EN)) { |
| 4742 | printk(KERN_ERR |
| 4743 | "Adapter Link down, cannot blink LED\n"); |
| 4744 | return -EFAULT; |
| 4745 | } |
| 4746 | } |
| 4747 | if (sp->id_timer.function == NULL) { |
| 4748 | init_timer(&sp->id_timer); |
| 4749 | sp->id_timer.function = s2io_phy_id; |
| 4750 | sp->id_timer.data = (unsigned long) sp; |
| 4751 | } |
| 4752 | mod_timer(&sp->id_timer, jiffies); |
| 4753 | if (data) |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4754 | msleep_interruptible(data * HZ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4755 | else |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4756 | msleep_interruptible(MAX_FLICKER_TIME); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4757 | del_timer_sync(&sp->id_timer); |
| 4758 | |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 4759 | if (CARDS_WITH_FAULTY_LINK_INDICATORS(sp->device_type, subid)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4760 | writeq(last_gpio_ctrl_val, &bar0->gpio_control); |
| 4761 | last_gpio_ctrl_val = readq(&bar0->gpio_control); |
| 4762 | } |
| 4763 | |
| 4764 | return 0; |
| 4765 | } |
| 4766 | |
| 4767 | /** |
| 4768 | * s2io_ethtool_getpause_data -Pause frame frame generation and reception. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4769 | * @sp : private member of the device structure, which is a pointer to the |
| 4770 | * s2io_nic structure. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4771 | * @ep : pointer to the structure with pause parameters given by ethtool. |
| 4772 | * Description: |
| 4773 | * Returns the Pause frame generation and reception capability of the NIC. |
| 4774 | * Return value: |
| 4775 | * void |
| 4776 | */ |
| 4777 | static void s2io_ethtool_getpause_data(struct net_device *dev, |
| 4778 | struct ethtool_pauseparam *ep) |
| 4779 | { |
| 4780 | u64 val64; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 4781 | struct s2io_nic *sp = dev->priv; |
| 4782 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4783 | |
| 4784 | val64 = readq(&bar0->rmac_pause_cfg); |
| 4785 | if (val64 & RMAC_PAUSE_GEN_ENABLE) |
| 4786 | ep->tx_pause = TRUE; |
| 4787 | if (val64 & RMAC_PAUSE_RX_ENABLE) |
| 4788 | ep->rx_pause = TRUE; |
| 4789 | ep->autoneg = FALSE; |
| 4790 | } |
| 4791 | |
| 4792 | /** |
| 4793 | * s2io_ethtool_setpause_data - set/reset pause frame generation. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4794 | * @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] | 4795 | * s2io_nic structure. |
| 4796 | * @ep : pointer to the structure with pause parameters given by ethtool. |
| 4797 | * Description: |
| 4798 | * It can be used to set or reset Pause frame generation or reception |
| 4799 | * support of the NIC. |
| 4800 | * Return value: |
| 4801 | * int, returns 0 on Success |
| 4802 | */ |
| 4803 | |
| 4804 | static int s2io_ethtool_setpause_data(struct net_device *dev, |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4805 | struct ethtool_pauseparam *ep) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4806 | { |
| 4807 | u64 val64; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 4808 | struct s2io_nic *sp = dev->priv; |
| 4809 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4810 | |
| 4811 | val64 = readq(&bar0->rmac_pause_cfg); |
| 4812 | if (ep->tx_pause) |
| 4813 | val64 |= RMAC_PAUSE_GEN_ENABLE; |
| 4814 | else |
| 4815 | val64 &= ~RMAC_PAUSE_GEN_ENABLE; |
| 4816 | if (ep->rx_pause) |
| 4817 | val64 |= RMAC_PAUSE_RX_ENABLE; |
| 4818 | else |
| 4819 | val64 &= ~RMAC_PAUSE_RX_ENABLE; |
| 4820 | writeq(val64, &bar0->rmac_pause_cfg); |
| 4821 | return 0; |
| 4822 | } |
| 4823 | |
| 4824 | /** |
| 4825 | * 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] | 4826 | * @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] | 4827 | * s2io_nic structure. |
| 4828 | * @off : offset at which the data must be written |
| 4829 | * @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] | 4830 | * offset is stored. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4831 | * Description: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4832 | * 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] | 4833 | * read data. |
| 4834 | * NOTE: Will allow to read only part of the EEPROM visible through the |
| 4835 | * I2C bus. |
| 4836 | * Return value: |
| 4837 | * -1 on failure and 0 on success. |
| 4838 | */ |
| 4839 | |
| 4840 | #define S2IO_DEV_ID 5 |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 4841 | static int read_eeprom(struct s2io_nic * sp, int off, u64 * data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4842 | { |
| 4843 | int ret = -1; |
| 4844 | u32 exit_cnt = 0; |
| 4845 | u64 val64; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 4846 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4847 | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 4848 | if (sp->device_type == XFRAME_I_DEVICE) { |
| 4849 | val64 = I2C_CONTROL_DEV_ID(S2IO_DEV_ID) | I2C_CONTROL_ADDR(off) | |
| 4850 | I2C_CONTROL_BYTE_CNT(0x3) | I2C_CONTROL_READ | |
| 4851 | I2C_CONTROL_CNTL_START; |
| 4852 | SPECIAL_REG_WRITE(val64, &bar0->i2c_control, LF); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4853 | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 4854 | while (exit_cnt < 5) { |
| 4855 | val64 = readq(&bar0->i2c_control); |
| 4856 | if (I2C_CONTROL_CNTL_END(val64)) { |
| 4857 | *data = I2C_CONTROL_GET_DATA(val64); |
| 4858 | ret = 0; |
| 4859 | break; |
| 4860 | } |
| 4861 | msleep(50); |
| 4862 | exit_cnt++; |
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 | } |
| 4865 | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 4866 | if (sp->device_type == XFRAME_II_DEVICE) { |
| 4867 | val64 = SPI_CONTROL_KEY(0x9) | SPI_CONTROL_SEL1 | |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 4868 | SPI_CONTROL_BYTECNT(0x3) | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 4869 | SPI_CONTROL_CMD(0x3) | SPI_CONTROL_ADDR(off); |
| 4870 | SPECIAL_REG_WRITE(val64, &bar0->spi_control, LF); |
| 4871 | val64 |= SPI_CONTROL_REQ; |
| 4872 | SPECIAL_REG_WRITE(val64, &bar0->spi_control, LF); |
| 4873 | while (exit_cnt < 5) { |
| 4874 | val64 = readq(&bar0->spi_control); |
| 4875 | if (val64 & SPI_CONTROL_NACK) { |
| 4876 | ret = 1; |
| 4877 | break; |
| 4878 | } else if (val64 & SPI_CONTROL_DONE) { |
| 4879 | *data = readq(&bar0->spi_data); |
| 4880 | *data &= 0xffffff; |
| 4881 | ret = 0; |
| 4882 | break; |
| 4883 | } |
| 4884 | msleep(50); |
| 4885 | exit_cnt++; |
| 4886 | } |
| 4887 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4888 | return ret; |
| 4889 | } |
| 4890 | |
| 4891 | /** |
| 4892 | * write_eeprom - actually writes the relevant part of the data value. |
| 4893 | * @sp : private member of the device structure, which is a pointer to the |
| 4894 | * s2io_nic structure. |
| 4895 | * @off : offset at which the data must be written |
| 4896 | * @data : The data that is to be written |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4897 | * @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] | 4898 | * the Eeprom. (max of 3) |
| 4899 | * Description: |
| 4900 | * Actually writes the relevant part of the data value into the Eeprom |
| 4901 | * through the I2C bus. |
| 4902 | * Return value: |
| 4903 | * 0 on success, -1 on failure. |
| 4904 | */ |
| 4905 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 4906 | 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] | 4907 | { |
| 4908 | int exit_cnt = 0, ret = -1; |
| 4909 | u64 val64; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 4910 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4911 | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 4912 | if (sp->device_type == XFRAME_I_DEVICE) { |
| 4913 | val64 = I2C_CONTROL_DEV_ID(S2IO_DEV_ID) | I2C_CONTROL_ADDR(off) | |
| 4914 | I2C_CONTROL_BYTE_CNT(cnt) | I2C_CONTROL_SET_DATA((u32)data) | |
| 4915 | I2C_CONTROL_CNTL_START; |
| 4916 | SPECIAL_REG_WRITE(val64, &bar0->i2c_control, LF); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4917 | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 4918 | while (exit_cnt < 5) { |
| 4919 | val64 = readq(&bar0->i2c_control); |
| 4920 | if (I2C_CONTROL_CNTL_END(val64)) { |
| 4921 | if (!(val64 & I2C_CONTROL_NACK)) |
| 4922 | ret = 0; |
| 4923 | break; |
| 4924 | } |
| 4925 | msleep(50); |
| 4926 | exit_cnt++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4927 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4928 | } |
| 4929 | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 4930 | if (sp->device_type == XFRAME_II_DEVICE) { |
| 4931 | int write_cnt = (cnt == 8) ? 0 : cnt; |
| 4932 | writeq(SPI_DATA_WRITE(data,(cnt<<3)), &bar0->spi_data); |
| 4933 | |
| 4934 | val64 = SPI_CONTROL_KEY(0x9) | SPI_CONTROL_SEL1 | |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 4935 | SPI_CONTROL_BYTECNT(write_cnt) | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 4936 | SPI_CONTROL_CMD(0x2) | SPI_CONTROL_ADDR(off); |
| 4937 | SPECIAL_REG_WRITE(val64, &bar0->spi_control, LF); |
| 4938 | val64 |= SPI_CONTROL_REQ; |
| 4939 | SPECIAL_REG_WRITE(val64, &bar0->spi_control, LF); |
| 4940 | while (exit_cnt < 5) { |
| 4941 | val64 = readq(&bar0->spi_control); |
| 4942 | if (val64 & SPI_CONTROL_NACK) { |
| 4943 | ret = 1; |
| 4944 | break; |
| 4945 | } else if (val64 & SPI_CONTROL_DONE) { |
| 4946 | ret = 0; |
| 4947 | break; |
| 4948 | } |
| 4949 | msleep(50); |
| 4950 | exit_cnt++; |
| 4951 | } |
| 4952 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4953 | return ret; |
| 4954 | } |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 4955 | static void s2io_vpd_read(struct s2io_nic *nic) |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 4956 | { |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 4957 | u8 *vpd_data; |
| 4958 | u8 data; |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 4959 | int i=0, cnt, fail = 0; |
| 4960 | int vpd_addr = 0x80; |
| 4961 | |
| 4962 | if (nic->device_type == XFRAME_II_DEVICE) { |
| 4963 | strcpy(nic->product_name, "Xframe II 10GbE network adapter"); |
| 4964 | vpd_addr = 0x80; |
| 4965 | } |
| 4966 | else { |
| 4967 | strcpy(nic->product_name, "Xframe I 10GbE network adapter"); |
| 4968 | vpd_addr = 0x50; |
| 4969 | } |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 4970 | strcpy(nic->serial_num, "NOT AVAILABLE"); |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 4971 | |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 4972 | vpd_data = kmalloc(256, GFP_KERNEL); |
| 4973 | if (!vpd_data) |
| 4974 | return; |
| 4975 | |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 4976 | for (i = 0; i < 256; i +=4 ) { |
| 4977 | pci_write_config_byte(nic->pdev, (vpd_addr + 2), i); |
| 4978 | pci_read_config_byte(nic->pdev, (vpd_addr + 2), &data); |
| 4979 | pci_write_config_byte(nic->pdev, (vpd_addr + 3), 0); |
| 4980 | for (cnt = 0; cnt <5; cnt++) { |
| 4981 | msleep(2); |
| 4982 | pci_read_config_byte(nic->pdev, (vpd_addr + 3), &data); |
| 4983 | if (data == 0x80) |
| 4984 | break; |
| 4985 | } |
| 4986 | if (cnt >= 5) { |
| 4987 | DBG_PRINT(ERR_DBG, "Read of VPD data failed\n"); |
| 4988 | fail = 1; |
| 4989 | break; |
| 4990 | } |
| 4991 | pci_read_config_dword(nic->pdev, (vpd_addr + 4), |
| 4992 | (u32 *)&vpd_data[i]); |
| 4993 | } |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 4994 | |
| 4995 | if(!fail) { |
| 4996 | /* read serial number of adapter */ |
| 4997 | for (cnt = 0; cnt < 256; cnt++) { |
| 4998 | if ((vpd_data[cnt] == 'S') && |
| 4999 | (vpd_data[cnt+1] == 'N') && |
| 5000 | (vpd_data[cnt+2] < VPD_STRING_LEN)) { |
| 5001 | memset(nic->serial_num, 0, VPD_STRING_LEN); |
| 5002 | memcpy(nic->serial_num, &vpd_data[cnt + 3], |
| 5003 | vpd_data[cnt+2]); |
| 5004 | break; |
| 5005 | } |
| 5006 | } |
| 5007 | } |
| 5008 | |
| 5009 | if ((!fail) && (vpd_data[1] < VPD_STRING_LEN)) { |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 5010 | memset(nic->product_name, 0, vpd_data[1]); |
| 5011 | memcpy(nic->product_name, &vpd_data[3], vpd_data[1]); |
| 5012 | } |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 5013 | kfree(vpd_data); |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 5014 | } |
| 5015 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5016 | /** |
| 5017 | * s2io_ethtool_geeprom - reads the value stored in the Eeprom. |
| 5018 | * @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] | 5019 | * @eeprom : pointer to the user level structure provided by ethtool, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5020 | * containing all relevant information. |
| 5021 | * @data_buf : user defined value to be written into Eeprom. |
| 5022 | * Description: Reads the values stored in the Eeprom at given offset |
| 5023 | * for a given length. Stores these values int the input argument data |
| 5024 | * buffer 'data_buf' and returns these to the caller (ethtool.) |
| 5025 | * Return value: |
| 5026 | * int 0 on success |
| 5027 | */ |
| 5028 | |
| 5029 | static int s2io_ethtool_geeprom(struct net_device *dev, |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5030 | struct ethtool_eeprom *eeprom, u8 * data_buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5031 | { |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5032 | u32 i, valid; |
| 5033 | u64 data; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 5034 | struct s2io_nic *sp = dev->priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5035 | |
| 5036 | eeprom->magic = sp->pdev->vendor | (sp->pdev->device << 16); |
| 5037 | |
| 5038 | if ((eeprom->offset + eeprom->len) > (XENA_EEPROM_SPACE)) |
| 5039 | eeprom->len = XENA_EEPROM_SPACE - eeprom->offset; |
| 5040 | |
| 5041 | for (i = 0; i < eeprom->len; i += 4) { |
| 5042 | if (read_eeprom(sp, (eeprom->offset + i), &data)) { |
| 5043 | DBG_PRINT(ERR_DBG, "Read of EEPROM failed\n"); |
| 5044 | return -EFAULT; |
| 5045 | } |
| 5046 | valid = INV(data); |
| 5047 | memcpy((data_buf + i), &valid, 4); |
| 5048 | } |
| 5049 | return 0; |
| 5050 | } |
| 5051 | |
| 5052 | /** |
| 5053 | * s2io_ethtool_seeprom - tries to write the user provided value in Eeprom |
| 5054 | * @sp : private member of the device structure, which is a pointer to the |
| 5055 | * s2io_nic structure. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5056 | * @eeprom : pointer to the user level structure provided by ethtool, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5057 | * containing all relevant information. |
| 5058 | * @data_buf ; user defined value to be written into Eeprom. |
| 5059 | * Description: |
| 5060 | * Tries to write the user provided value in the Eeprom, at the offset |
| 5061 | * given by the user. |
| 5062 | * Return value: |
| 5063 | * 0 on success, -EFAULT on failure. |
| 5064 | */ |
| 5065 | |
| 5066 | static int s2io_ethtool_seeprom(struct net_device *dev, |
| 5067 | struct ethtool_eeprom *eeprom, |
| 5068 | u8 * data_buf) |
| 5069 | { |
| 5070 | int len = eeprom->len, cnt = 0; |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5071 | u64 valid = 0, data; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 5072 | struct s2io_nic *sp = dev->priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5073 | |
| 5074 | if (eeprom->magic != (sp->pdev->vendor | (sp->pdev->device << 16))) { |
| 5075 | DBG_PRINT(ERR_DBG, |
| 5076 | "ETHTOOL_WRITE_EEPROM Err: Magic value "); |
| 5077 | DBG_PRINT(ERR_DBG, "is wrong, Its not 0x%x\n", |
| 5078 | eeprom->magic); |
| 5079 | return -EFAULT; |
| 5080 | } |
| 5081 | |
| 5082 | while (len) { |
| 5083 | data = (u32) data_buf[cnt] & 0x000000FF; |
| 5084 | if (data) { |
| 5085 | valid = (u32) (data << 24); |
| 5086 | } else |
| 5087 | valid = data; |
| 5088 | |
| 5089 | if (write_eeprom(sp, (eeprom->offset + cnt), valid, 0)) { |
| 5090 | DBG_PRINT(ERR_DBG, |
| 5091 | "ETHTOOL_WRITE_EEPROM Err: Cannot "); |
| 5092 | DBG_PRINT(ERR_DBG, |
| 5093 | "write into the specified offset\n"); |
| 5094 | return -EFAULT; |
| 5095 | } |
| 5096 | cnt++; |
| 5097 | len--; |
| 5098 | } |
| 5099 | |
| 5100 | return 0; |
| 5101 | } |
| 5102 | |
| 5103 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5104 | * s2io_register_test - reads and writes into all clock domains. |
| 5105 | * @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] | 5106 | * s2io_nic structure. |
| 5107 | * @data : variable that returns the result of each of the test conducted b |
| 5108 | * by the driver. |
| 5109 | * Description: |
| 5110 | * Read and write into all clock domains. The NIC has 3 clock domains, |
| 5111 | * see that registers in all the three regions are accessible. |
| 5112 | * Return value: |
| 5113 | * 0 on success. |
| 5114 | */ |
| 5115 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 5116 | static int s2io_register_test(struct s2io_nic * sp, uint64_t * data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5117 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 5118 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5119 | u64 val64 = 0, exp_val; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5120 | int fail = 0; |
| 5121 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5122 | val64 = readq(&bar0->pif_rd_swapper_fb); |
| 5123 | if (val64 != 0x123456789abcdefULL) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5124 | fail = 1; |
| 5125 | DBG_PRINT(INFO_DBG, "Read Test level 1 fails\n"); |
| 5126 | } |
| 5127 | |
| 5128 | val64 = readq(&bar0->rmac_pause_cfg); |
| 5129 | if (val64 != 0xc000ffff00000000ULL) { |
| 5130 | fail = 1; |
| 5131 | DBG_PRINT(INFO_DBG, "Read Test level 2 fails\n"); |
| 5132 | } |
| 5133 | |
| 5134 | val64 = readq(&bar0->rx_queue_cfg); |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5135 | if (sp->device_type == XFRAME_II_DEVICE) |
| 5136 | exp_val = 0x0404040404040404ULL; |
| 5137 | else |
| 5138 | exp_val = 0x0808080808080808ULL; |
| 5139 | if (val64 != exp_val) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5140 | fail = 1; |
| 5141 | DBG_PRINT(INFO_DBG, "Read Test level 3 fails\n"); |
| 5142 | } |
| 5143 | |
| 5144 | val64 = readq(&bar0->xgxs_efifo_cfg); |
| 5145 | if (val64 != 0x000000001923141EULL) { |
| 5146 | fail = 1; |
| 5147 | DBG_PRINT(INFO_DBG, "Read Test level 4 fails\n"); |
| 5148 | } |
| 5149 | |
| 5150 | val64 = 0x5A5A5A5A5A5A5A5AULL; |
| 5151 | writeq(val64, &bar0->xmsi_data); |
| 5152 | val64 = readq(&bar0->xmsi_data); |
| 5153 | if (val64 != 0x5A5A5A5A5A5A5A5AULL) { |
| 5154 | fail = 1; |
| 5155 | DBG_PRINT(ERR_DBG, "Write Test level 1 fails\n"); |
| 5156 | } |
| 5157 | |
| 5158 | val64 = 0xA5A5A5A5A5A5A5A5ULL; |
| 5159 | writeq(val64, &bar0->xmsi_data); |
| 5160 | val64 = readq(&bar0->xmsi_data); |
| 5161 | if (val64 != 0xA5A5A5A5A5A5A5A5ULL) { |
| 5162 | fail = 1; |
| 5163 | DBG_PRINT(ERR_DBG, "Write Test level 2 fails\n"); |
| 5164 | } |
| 5165 | |
| 5166 | *data = fail; |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5167 | return fail; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5168 | } |
| 5169 | |
| 5170 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5171 | * 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] | 5172 | * @sp : private member of the device structure, which is a pointer to the |
| 5173 | * s2io_nic structure. |
| 5174 | * @data:variable that returns the result of each of the test conducted by |
| 5175 | * the driver. |
| 5176 | * Description: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5177 | * Verify that EEPROM in the xena can be programmed using I2C_CONTROL |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5178 | * register. |
| 5179 | * Return value: |
| 5180 | * 0 on success. |
| 5181 | */ |
| 5182 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 5183 | static int s2io_eeprom_test(struct s2io_nic * sp, uint64_t * data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5184 | { |
| 5185 | int fail = 0; |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5186 | u64 ret_data, org_4F0, org_7F0; |
| 5187 | u8 saved_4F0 = 0, saved_7F0 = 0; |
| 5188 | struct net_device *dev = sp->dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5189 | |
| 5190 | /* Test Write Error at offset 0 */ |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5191 | /* Note that SPI interface allows write access to all areas |
| 5192 | * of EEPROM. Hence doing all negative testing only for Xframe I. |
| 5193 | */ |
| 5194 | if (sp->device_type == XFRAME_I_DEVICE) |
| 5195 | if (!write_eeprom(sp, 0, 0, 3)) |
| 5196 | fail = 1; |
| 5197 | |
| 5198 | /* Save current values at offsets 0x4F0 and 0x7F0 */ |
| 5199 | if (!read_eeprom(sp, 0x4F0, &org_4F0)) |
| 5200 | saved_4F0 = 1; |
| 5201 | if (!read_eeprom(sp, 0x7F0, &org_7F0)) |
| 5202 | saved_7F0 = 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5203 | |
| 5204 | /* Test Write at offset 4f0 */ |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5205 | if (write_eeprom(sp, 0x4F0, 0x012345, 3)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5206 | fail = 1; |
| 5207 | if (read_eeprom(sp, 0x4F0, &ret_data)) |
| 5208 | fail = 1; |
| 5209 | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5210 | if (ret_data != 0x012345) { |
Andrew Morton | 26b7625 | 2005-12-14 19:25:23 -0800 | [diff] [blame] | 5211 | DBG_PRINT(ERR_DBG, "%s: eeprom test error at offset 0x4F0. " |
| 5212 | "Data written %llx Data read %llx\n", |
| 5213 | dev->name, (unsigned long long)0x12345, |
| 5214 | (unsigned long long)ret_data); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5215 | fail = 1; |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5216 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5217 | |
| 5218 | /* Reset the EEPROM data go FFFF */ |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5219 | write_eeprom(sp, 0x4F0, 0xFFFFFF, 3); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5220 | |
| 5221 | /* Test Write Request Error at offset 0x7c */ |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5222 | if (sp->device_type == XFRAME_I_DEVICE) |
| 5223 | if (!write_eeprom(sp, 0x07C, 0, 3)) |
| 5224 | fail = 1; |
| 5225 | |
| 5226 | /* Test Write Request at offset 0x7f0 */ |
| 5227 | if (write_eeprom(sp, 0x7F0, 0x012345, 3)) |
| 5228 | fail = 1; |
| 5229 | if (read_eeprom(sp, 0x7F0, &ret_data)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5230 | fail = 1; |
| 5231 | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5232 | if (ret_data != 0x012345) { |
Andrew Morton | 26b7625 | 2005-12-14 19:25:23 -0800 | [diff] [blame] | 5233 | DBG_PRINT(ERR_DBG, "%s: eeprom test error at offset 0x7F0. " |
| 5234 | "Data written %llx Data read %llx\n", |
| 5235 | dev->name, (unsigned long long)0x12345, |
| 5236 | (unsigned long long)ret_data); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5237 | fail = 1; |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5238 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5239 | |
| 5240 | /* Reset the EEPROM data go FFFF */ |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5241 | write_eeprom(sp, 0x7F0, 0xFFFFFF, 3); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5242 | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5243 | if (sp->device_type == XFRAME_I_DEVICE) { |
| 5244 | /* Test Write Error at offset 0x80 */ |
| 5245 | if (!write_eeprom(sp, 0x080, 0, 3)) |
| 5246 | fail = 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5247 | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5248 | /* Test Write Error at offset 0xfc */ |
| 5249 | if (!write_eeprom(sp, 0x0FC, 0, 3)) |
| 5250 | fail = 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5251 | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5252 | /* Test Write Error at offset 0x100 */ |
| 5253 | if (!write_eeprom(sp, 0x100, 0, 3)) |
| 5254 | fail = 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5255 | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5256 | /* Test Write Error at offset 4ec */ |
| 5257 | if (!write_eeprom(sp, 0x4EC, 0, 3)) |
| 5258 | fail = 1; |
| 5259 | } |
| 5260 | |
| 5261 | /* Restore values at offsets 0x4F0 and 0x7F0 */ |
| 5262 | if (saved_4F0) |
| 5263 | write_eeprom(sp, 0x4F0, org_4F0, 3); |
| 5264 | if (saved_7F0) |
| 5265 | write_eeprom(sp, 0x7F0, org_7F0, 3); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5266 | |
| 5267 | *data = fail; |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5268 | return fail; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5269 | } |
| 5270 | |
| 5271 | /** |
| 5272 | * s2io_bist_test - invokes the MemBist test of the card . |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5273 | * @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] | 5274 | * s2io_nic structure. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5275 | * @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] | 5276 | * the driver. |
| 5277 | * Description: |
| 5278 | * This invokes the MemBist test of the card. We give around |
| 5279 | * 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] | 5280 | * within this peiod, we consider that the test failed. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5281 | * Return value: |
| 5282 | * 0 on success and -1 on failure. |
| 5283 | */ |
| 5284 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 5285 | static int s2io_bist_test(struct s2io_nic * sp, uint64_t * data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5286 | { |
| 5287 | u8 bist = 0; |
| 5288 | int cnt = 0, ret = -1; |
| 5289 | |
| 5290 | pci_read_config_byte(sp->pdev, PCI_BIST, &bist); |
| 5291 | bist |= PCI_BIST_START; |
| 5292 | pci_write_config_word(sp->pdev, PCI_BIST, bist); |
| 5293 | |
| 5294 | while (cnt < 20) { |
| 5295 | pci_read_config_byte(sp->pdev, PCI_BIST, &bist); |
| 5296 | if (!(bist & PCI_BIST_START)) { |
| 5297 | *data = (bist & PCI_BIST_CODE_MASK); |
| 5298 | ret = 0; |
| 5299 | break; |
| 5300 | } |
| 5301 | msleep(100); |
| 5302 | cnt++; |
| 5303 | } |
| 5304 | |
| 5305 | return ret; |
| 5306 | } |
| 5307 | |
| 5308 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5309 | * s2io-link_test - verifies the link state of the nic |
| 5310 | * @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] | 5311 | * s2io_nic structure. |
| 5312 | * @data: variable that returns the result of each of the test conducted by |
| 5313 | * the driver. |
| 5314 | * Description: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5315 | * 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] | 5316 | * argument 'data' appropriately. |
| 5317 | * Return value: |
| 5318 | * 0 on success. |
| 5319 | */ |
| 5320 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 5321 | static int s2io_link_test(struct s2io_nic * sp, uint64_t * data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5322 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 5323 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5324 | u64 val64; |
| 5325 | |
| 5326 | val64 = readq(&bar0->adapter_status); |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 5327 | if(!(LINK_IS_UP(val64))) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5328 | *data = 1; |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 5329 | else |
| 5330 | *data = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5331 | |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 5332 | return *data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5333 | } |
| 5334 | |
| 5335 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5336 | * s2io_rldram_test - offline test for access to the RldRam chip on the NIC |
| 5337 | * @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] | 5338 | * s2io_nic structure. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5339 | * @data - variable that returns the result of each of the test |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5340 | * conducted by the driver. |
| 5341 | * Description: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5342 | * 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] | 5343 | * access to the RldRam chip on the NIC. |
| 5344 | * Return value: |
| 5345 | * 0 on success. |
| 5346 | */ |
| 5347 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 5348 | static int s2io_rldram_test(struct s2io_nic * sp, uint64_t * data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5349 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 5350 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5351 | u64 val64; |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5352 | int cnt, iteration = 0, test_fail = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5353 | |
| 5354 | val64 = readq(&bar0->adapter_control); |
| 5355 | val64 &= ~ADAPTER_ECC_EN; |
| 5356 | writeq(val64, &bar0->adapter_control); |
| 5357 | |
| 5358 | val64 = readq(&bar0->mc_rldram_test_ctrl); |
| 5359 | val64 |= MC_RLDRAM_TEST_MODE; |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5360 | SPECIAL_REG_WRITE(val64, &bar0->mc_rldram_test_ctrl, LF); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5361 | |
| 5362 | val64 = readq(&bar0->mc_rldram_mrs); |
| 5363 | val64 |= MC_RLDRAM_QUEUE_SIZE_ENABLE; |
| 5364 | SPECIAL_REG_WRITE(val64, &bar0->mc_rldram_mrs, UF); |
| 5365 | |
| 5366 | val64 |= MC_RLDRAM_MRS_ENABLE; |
| 5367 | SPECIAL_REG_WRITE(val64, &bar0->mc_rldram_mrs, UF); |
| 5368 | |
| 5369 | while (iteration < 2) { |
| 5370 | val64 = 0x55555555aaaa0000ULL; |
| 5371 | if (iteration == 1) { |
| 5372 | val64 ^= 0xFFFFFFFFFFFF0000ULL; |
| 5373 | } |
| 5374 | writeq(val64, &bar0->mc_rldram_test_d0); |
| 5375 | |
| 5376 | val64 = 0xaaaa5a5555550000ULL; |
| 5377 | if (iteration == 1) { |
| 5378 | val64 ^= 0xFFFFFFFFFFFF0000ULL; |
| 5379 | } |
| 5380 | writeq(val64, &bar0->mc_rldram_test_d1); |
| 5381 | |
| 5382 | val64 = 0x55aaaaaaaa5a0000ULL; |
| 5383 | if (iteration == 1) { |
| 5384 | val64 ^= 0xFFFFFFFFFFFF0000ULL; |
| 5385 | } |
| 5386 | writeq(val64, &bar0->mc_rldram_test_d2); |
| 5387 | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5388 | val64 = (u64) (0x0000003ffffe0100ULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5389 | writeq(val64, &bar0->mc_rldram_test_add); |
| 5390 | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5391 | val64 = MC_RLDRAM_TEST_MODE | MC_RLDRAM_TEST_WRITE | |
| 5392 | MC_RLDRAM_TEST_GO; |
| 5393 | SPECIAL_REG_WRITE(val64, &bar0->mc_rldram_test_ctrl, LF); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5394 | |
| 5395 | for (cnt = 0; cnt < 5; cnt++) { |
| 5396 | val64 = readq(&bar0->mc_rldram_test_ctrl); |
| 5397 | if (val64 & MC_RLDRAM_TEST_DONE) |
| 5398 | break; |
| 5399 | msleep(200); |
| 5400 | } |
| 5401 | |
| 5402 | if (cnt == 5) |
| 5403 | break; |
| 5404 | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5405 | val64 = MC_RLDRAM_TEST_MODE | MC_RLDRAM_TEST_GO; |
| 5406 | SPECIAL_REG_WRITE(val64, &bar0->mc_rldram_test_ctrl, LF); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5407 | |
| 5408 | for (cnt = 0; cnt < 5; cnt++) { |
| 5409 | val64 = readq(&bar0->mc_rldram_test_ctrl); |
| 5410 | if (val64 & MC_RLDRAM_TEST_DONE) |
| 5411 | break; |
| 5412 | msleep(500); |
| 5413 | } |
| 5414 | |
| 5415 | if (cnt == 5) |
| 5416 | break; |
| 5417 | |
| 5418 | val64 = readq(&bar0->mc_rldram_test_ctrl); |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5419 | if (!(val64 & MC_RLDRAM_TEST_PASS)) |
| 5420 | test_fail = 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5421 | |
| 5422 | iteration++; |
| 5423 | } |
| 5424 | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5425 | *data = test_fail; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5426 | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5427 | /* Bring the adapter out of test mode */ |
| 5428 | SPECIAL_REG_WRITE(0, &bar0->mc_rldram_test_ctrl, LF); |
| 5429 | |
| 5430 | return test_fail; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5431 | } |
| 5432 | |
| 5433 | /** |
| 5434 | * s2io_ethtool_test - conducts 6 tsets to determine the health of card. |
| 5435 | * @sp : private member of the device structure, which is a pointer to the |
| 5436 | * s2io_nic structure. |
| 5437 | * @ethtest : pointer to a ethtool command specific structure that will be |
| 5438 | * returned to the user. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5439 | * @data : variable that returns the result of each of the test |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5440 | * conducted by the driver. |
| 5441 | * Description: |
| 5442 | * This function conducts 6 tests ( 4 offline and 2 online) to determine |
| 5443 | * the health of the card. |
| 5444 | * Return value: |
| 5445 | * void |
| 5446 | */ |
| 5447 | |
| 5448 | static void s2io_ethtool_test(struct net_device *dev, |
| 5449 | struct ethtool_test *ethtest, |
| 5450 | uint64_t * data) |
| 5451 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 5452 | struct s2io_nic *sp = dev->priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5453 | int orig_state = netif_running(sp->dev); |
| 5454 | |
| 5455 | if (ethtest->flags == ETH_TEST_FL_OFFLINE) { |
| 5456 | /* Offline Tests. */ |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5457 | if (orig_state) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5458 | s2io_close(sp->dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5459 | |
| 5460 | if (s2io_register_test(sp, &data[0])) |
| 5461 | ethtest->flags |= ETH_TEST_FL_FAILED; |
| 5462 | |
| 5463 | s2io_reset(sp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5464 | |
| 5465 | if (s2io_rldram_test(sp, &data[3])) |
| 5466 | ethtest->flags |= ETH_TEST_FL_FAILED; |
| 5467 | |
| 5468 | s2io_reset(sp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5469 | |
| 5470 | if (s2io_eeprom_test(sp, &data[1])) |
| 5471 | ethtest->flags |= ETH_TEST_FL_FAILED; |
| 5472 | |
| 5473 | if (s2io_bist_test(sp, &data[4])) |
| 5474 | ethtest->flags |= ETH_TEST_FL_FAILED; |
| 5475 | |
| 5476 | if (orig_state) |
| 5477 | s2io_open(sp->dev); |
| 5478 | |
| 5479 | data[2] = 0; |
| 5480 | } else { |
| 5481 | /* Online Tests. */ |
| 5482 | if (!orig_state) { |
| 5483 | DBG_PRINT(ERR_DBG, |
| 5484 | "%s: is not up, cannot run test\n", |
| 5485 | dev->name); |
| 5486 | data[0] = -1; |
| 5487 | data[1] = -1; |
| 5488 | data[2] = -1; |
| 5489 | data[3] = -1; |
| 5490 | data[4] = -1; |
| 5491 | } |
| 5492 | |
| 5493 | if (s2io_link_test(sp, &data[2])) |
| 5494 | ethtest->flags |= ETH_TEST_FL_FAILED; |
| 5495 | |
| 5496 | data[0] = 0; |
| 5497 | data[1] = 0; |
| 5498 | data[3] = 0; |
| 5499 | data[4] = 0; |
| 5500 | } |
| 5501 | } |
| 5502 | |
| 5503 | static void s2io_get_ethtool_stats(struct net_device *dev, |
| 5504 | struct ethtool_stats *estats, |
| 5505 | u64 * tmp_stats) |
| 5506 | { |
| 5507 | int i = 0; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 5508 | struct s2io_nic *sp = dev->priv; |
| 5509 | struct stat_block *stat_info = sp->mac_control.stats_info; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5510 | |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 5511 | s2io_updt_stats(sp); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 5512 | tmp_stats[i++] = |
| 5513 | (u64)le32_to_cpu(stat_info->tmac_frms_oflow) << 32 | |
| 5514 | le32_to_cpu(stat_info->tmac_frms); |
| 5515 | tmp_stats[i++] = |
| 5516 | (u64)le32_to_cpu(stat_info->tmac_data_octets_oflow) << 32 | |
| 5517 | le32_to_cpu(stat_info->tmac_data_octets); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5518 | tmp_stats[i++] = le64_to_cpu(stat_info->tmac_drop_frms); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 5519 | tmp_stats[i++] = |
| 5520 | (u64)le32_to_cpu(stat_info->tmac_mcst_frms_oflow) << 32 | |
| 5521 | le32_to_cpu(stat_info->tmac_mcst_frms); |
| 5522 | tmp_stats[i++] = |
| 5523 | (u64)le32_to_cpu(stat_info->tmac_bcst_frms_oflow) << 32 | |
| 5524 | le32_to_cpu(stat_info->tmac_bcst_frms); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5525 | tmp_stats[i++] = le64_to_cpu(stat_info->tmac_pause_ctrl_frms); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 5526 | tmp_stats[i++] = |
| 5527 | (u64)le32_to_cpu(stat_info->tmac_ttl_octets_oflow) << 32 | |
| 5528 | le32_to_cpu(stat_info->tmac_ttl_octets); |
| 5529 | tmp_stats[i++] = |
| 5530 | (u64)le32_to_cpu(stat_info->tmac_ucst_frms_oflow) << 32 | |
| 5531 | le32_to_cpu(stat_info->tmac_ucst_frms); |
| 5532 | tmp_stats[i++] = |
| 5533 | (u64)le32_to_cpu(stat_info->tmac_nucst_frms_oflow) << 32 | |
| 5534 | le32_to_cpu(stat_info->tmac_nucst_frms); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 5535 | tmp_stats[i++] = |
| 5536 | (u64)le32_to_cpu(stat_info->tmac_any_err_frms_oflow) << 32 | |
| 5537 | le32_to_cpu(stat_info->tmac_any_err_frms); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 5538 | tmp_stats[i++] = le64_to_cpu(stat_info->tmac_ttl_less_fb_octets); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5539 | tmp_stats[i++] = le64_to_cpu(stat_info->tmac_vld_ip_octets); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 5540 | tmp_stats[i++] = |
| 5541 | (u64)le32_to_cpu(stat_info->tmac_vld_ip_oflow) << 32 | |
| 5542 | le32_to_cpu(stat_info->tmac_vld_ip); |
| 5543 | tmp_stats[i++] = |
| 5544 | (u64)le32_to_cpu(stat_info->tmac_drop_ip_oflow) << 32 | |
| 5545 | le32_to_cpu(stat_info->tmac_drop_ip); |
| 5546 | tmp_stats[i++] = |
| 5547 | (u64)le32_to_cpu(stat_info->tmac_icmp_oflow) << 32 | |
| 5548 | le32_to_cpu(stat_info->tmac_icmp); |
| 5549 | tmp_stats[i++] = |
| 5550 | (u64)le32_to_cpu(stat_info->tmac_rst_tcp_oflow) << 32 | |
| 5551 | le32_to_cpu(stat_info->tmac_rst_tcp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5552 | tmp_stats[i++] = le64_to_cpu(stat_info->tmac_tcp); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 5553 | tmp_stats[i++] = (u64)le32_to_cpu(stat_info->tmac_udp_oflow) << 32 | |
| 5554 | le32_to_cpu(stat_info->tmac_udp); |
| 5555 | tmp_stats[i++] = |
| 5556 | (u64)le32_to_cpu(stat_info->rmac_vld_frms_oflow) << 32 | |
| 5557 | le32_to_cpu(stat_info->rmac_vld_frms); |
| 5558 | tmp_stats[i++] = |
| 5559 | (u64)le32_to_cpu(stat_info->rmac_data_octets_oflow) << 32 | |
| 5560 | le32_to_cpu(stat_info->rmac_data_octets); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5561 | tmp_stats[i++] = le64_to_cpu(stat_info->rmac_fcs_err_frms); |
| 5562 | tmp_stats[i++] = le64_to_cpu(stat_info->rmac_drop_frms); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 5563 | tmp_stats[i++] = |
| 5564 | (u64)le32_to_cpu(stat_info->rmac_vld_mcst_frms_oflow) << 32 | |
| 5565 | le32_to_cpu(stat_info->rmac_vld_mcst_frms); |
| 5566 | tmp_stats[i++] = |
| 5567 | (u64)le32_to_cpu(stat_info->rmac_vld_bcst_frms_oflow) << 32 | |
| 5568 | le32_to_cpu(stat_info->rmac_vld_bcst_frms); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5569 | tmp_stats[i++] = le32_to_cpu(stat_info->rmac_in_rng_len_err_frms); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 5570 | tmp_stats[i++] = le32_to_cpu(stat_info->rmac_out_rng_len_err_frms); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5571 | tmp_stats[i++] = le64_to_cpu(stat_info->rmac_long_frms); |
| 5572 | tmp_stats[i++] = le64_to_cpu(stat_info->rmac_pause_ctrl_frms); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 5573 | tmp_stats[i++] = le64_to_cpu(stat_info->rmac_unsup_ctrl_frms); |
| 5574 | tmp_stats[i++] = |
| 5575 | (u64)le32_to_cpu(stat_info->rmac_ttl_octets_oflow) << 32 | |
| 5576 | le32_to_cpu(stat_info->rmac_ttl_octets); |
| 5577 | tmp_stats[i++] = |
| 5578 | (u64)le32_to_cpu(stat_info->rmac_accepted_ucst_frms_oflow) |
| 5579 | << 32 | le32_to_cpu(stat_info->rmac_accepted_ucst_frms); |
| 5580 | tmp_stats[i++] = |
| 5581 | (u64)le32_to_cpu(stat_info->rmac_accepted_nucst_frms_oflow) |
| 5582 | << 32 | le32_to_cpu(stat_info->rmac_accepted_nucst_frms); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 5583 | tmp_stats[i++] = |
| 5584 | (u64)le32_to_cpu(stat_info->rmac_discarded_frms_oflow) << 32 | |
| 5585 | le32_to_cpu(stat_info->rmac_discarded_frms); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 5586 | tmp_stats[i++] = |
| 5587 | (u64)le32_to_cpu(stat_info->rmac_drop_events_oflow) |
| 5588 | << 32 | le32_to_cpu(stat_info->rmac_drop_events); |
| 5589 | tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ttl_less_fb_octets); |
| 5590 | tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ttl_frms); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 5591 | tmp_stats[i++] = |
| 5592 | (u64)le32_to_cpu(stat_info->rmac_usized_frms_oflow) << 32 | |
| 5593 | le32_to_cpu(stat_info->rmac_usized_frms); |
| 5594 | tmp_stats[i++] = |
| 5595 | (u64)le32_to_cpu(stat_info->rmac_osized_frms_oflow) << 32 | |
| 5596 | le32_to_cpu(stat_info->rmac_osized_frms); |
| 5597 | tmp_stats[i++] = |
| 5598 | (u64)le32_to_cpu(stat_info->rmac_frag_frms_oflow) << 32 | |
| 5599 | le32_to_cpu(stat_info->rmac_frag_frms); |
| 5600 | tmp_stats[i++] = |
| 5601 | (u64)le32_to_cpu(stat_info->rmac_jabber_frms_oflow) << 32 | |
| 5602 | le32_to_cpu(stat_info->rmac_jabber_frms); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 5603 | tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ttl_64_frms); |
| 5604 | tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ttl_65_127_frms); |
| 5605 | tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ttl_128_255_frms); |
| 5606 | tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ttl_256_511_frms); |
| 5607 | tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ttl_512_1023_frms); |
| 5608 | tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ttl_1024_1518_frms); |
| 5609 | tmp_stats[i++] = |
| 5610 | (u64)le32_to_cpu(stat_info->rmac_ip_oflow) << 32 | |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 5611 | le32_to_cpu(stat_info->rmac_ip); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5612 | tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ip_octets); |
| 5613 | tmp_stats[i++] = le32_to_cpu(stat_info->rmac_hdr_err_ip); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 5614 | tmp_stats[i++] = |
| 5615 | (u64)le32_to_cpu(stat_info->rmac_drop_ip_oflow) << 32 | |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 5616 | le32_to_cpu(stat_info->rmac_drop_ip); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 5617 | tmp_stats[i++] = |
| 5618 | (u64)le32_to_cpu(stat_info->rmac_icmp_oflow) << 32 | |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 5619 | le32_to_cpu(stat_info->rmac_icmp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5620 | tmp_stats[i++] = le64_to_cpu(stat_info->rmac_tcp); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 5621 | tmp_stats[i++] = |
| 5622 | (u64)le32_to_cpu(stat_info->rmac_udp_oflow) << 32 | |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 5623 | le32_to_cpu(stat_info->rmac_udp); |
| 5624 | tmp_stats[i++] = |
| 5625 | (u64)le32_to_cpu(stat_info->rmac_err_drp_udp_oflow) << 32 | |
| 5626 | le32_to_cpu(stat_info->rmac_err_drp_udp); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 5627 | tmp_stats[i++] = le64_to_cpu(stat_info->rmac_xgmii_err_sym); |
| 5628 | tmp_stats[i++] = le64_to_cpu(stat_info->rmac_frms_q0); |
| 5629 | tmp_stats[i++] = le64_to_cpu(stat_info->rmac_frms_q1); |
| 5630 | tmp_stats[i++] = le64_to_cpu(stat_info->rmac_frms_q2); |
| 5631 | tmp_stats[i++] = le64_to_cpu(stat_info->rmac_frms_q3); |
| 5632 | tmp_stats[i++] = le64_to_cpu(stat_info->rmac_frms_q4); |
| 5633 | tmp_stats[i++] = le64_to_cpu(stat_info->rmac_frms_q5); |
| 5634 | tmp_stats[i++] = le64_to_cpu(stat_info->rmac_frms_q6); |
| 5635 | tmp_stats[i++] = le64_to_cpu(stat_info->rmac_frms_q7); |
| 5636 | tmp_stats[i++] = le16_to_cpu(stat_info->rmac_full_q0); |
| 5637 | tmp_stats[i++] = le16_to_cpu(stat_info->rmac_full_q1); |
| 5638 | tmp_stats[i++] = le16_to_cpu(stat_info->rmac_full_q2); |
| 5639 | tmp_stats[i++] = le16_to_cpu(stat_info->rmac_full_q3); |
| 5640 | tmp_stats[i++] = le16_to_cpu(stat_info->rmac_full_q4); |
| 5641 | tmp_stats[i++] = le16_to_cpu(stat_info->rmac_full_q5); |
| 5642 | tmp_stats[i++] = le16_to_cpu(stat_info->rmac_full_q6); |
| 5643 | tmp_stats[i++] = le16_to_cpu(stat_info->rmac_full_q7); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 5644 | tmp_stats[i++] = |
| 5645 | (u64)le32_to_cpu(stat_info->rmac_pause_cnt_oflow) << 32 | |
| 5646 | le32_to_cpu(stat_info->rmac_pause_cnt); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 5647 | tmp_stats[i++] = le64_to_cpu(stat_info->rmac_xgmii_data_err_cnt); |
| 5648 | tmp_stats[i++] = le64_to_cpu(stat_info->rmac_xgmii_ctrl_err_cnt); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 5649 | tmp_stats[i++] = |
| 5650 | (u64)le32_to_cpu(stat_info->rmac_accepted_ip_oflow) << 32 | |
| 5651 | le32_to_cpu(stat_info->rmac_accepted_ip); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5652 | tmp_stats[i++] = le32_to_cpu(stat_info->rmac_err_tcp); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 5653 | tmp_stats[i++] = le32_to_cpu(stat_info->rd_req_cnt); |
| 5654 | tmp_stats[i++] = le32_to_cpu(stat_info->new_rd_req_cnt); |
| 5655 | tmp_stats[i++] = le32_to_cpu(stat_info->new_rd_req_rtry_cnt); |
| 5656 | tmp_stats[i++] = le32_to_cpu(stat_info->rd_rtry_cnt); |
| 5657 | tmp_stats[i++] = le32_to_cpu(stat_info->wr_rtry_rd_ack_cnt); |
| 5658 | tmp_stats[i++] = le32_to_cpu(stat_info->wr_req_cnt); |
| 5659 | tmp_stats[i++] = le32_to_cpu(stat_info->new_wr_req_cnt); |
| 5660 | tmp_stats[i++] = le32_to_cpu(stat_info->new_wr_req_rtry_cnt); |
| 5661 | tmp_stats[i++] = le32_to_cpu(stat_info->wr_rtry_cnt); |
| 5662 | tmp_stats[i++] = le32_to_cpu(stat_info->wr_disc_cnt); |
| 5663 | tmp_stats[i++] = le32_to_cpu(stat_info->rd_rtry_wr_ack_cnt); |
| 5664 | tmp_stats[i++] = le32_to_cpu(stat_info->txp_wr_cnt); |
| 5665 | tmp_stats[i++] = le32_to_cpu(stat_info->txd_rd_cnt); |
| 5666 | tmp_stats[i++] = le32_to_cpu(stat_info->txd_wr_cnt); |
| 5667 | tmp_stats[i++] = le32_to_cpu(stat_info->rxd_rd_cnt); |
| 5668 | tmp_stats[i++] = le32_to_cpu(stat_info->rxd_wr_cnt); |
| 5669 | tmp_stats[i++] = le32_to_cpu(stat_info->txf_rd_cnt); |
| 5670 | tmp_stats[i++] = le32_to_cpu(stat_info->rxf_wr_cnt); |
Sivakumar Subramani | fa1f0cb | 2007-02-24 02:03:22 -0500 | [diff] [blame] | 5671 | |
| 5672 | /* Enhanced statistics exist only for Hercules */ |
| 5673 | if(sp->device_type == XFRAME_II_DEVICE) { |
| 5674 | tmp_stats[i++] = |
| 5675 | le64_to_cpu(stat_info->rmac_ttl_1519_4095_frms); |
| 5676 | tmp_stats[i++] = |
| 5677 | le64_to_cpu(stat_info->rmac_ttl_4096_8191_frms); |
| 5678 | tmp_stats[i++] = |
| 5679 | le64_to_cpu(stat_info->rmac_ttl_8192_max_frms); |
| 5680 | tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ttl_gt_max_frms); |
| 5681 | tmp_stats[i++] = le64_to_cpu(stat_info->rmac_osized_alt_frms); |
| 5682 | tmp_stats[i++] = le64_to_cpu(stat_info->rmac_jabber_alt_frms); |
| 5683 | tmp_stats[i++] = le64_to_cpu(stat_info->rmac_gt_max_alt_frms); |
| 5684 | tmp_stats[i++] = le64_to_cpu(stat_info->rmac_vlan_frms); |
| 5685 | tmp_stats[i++] = le32_to_cpu(stat_info->rmac_len_discard); |
| 5686 | tmp_stats[i++] = le32_to_cpu(stat_info->rmac_fcs_discard); |
| 5687 | tmp_stats[i++] = le32_to_cpu(stat_info->rmac_pf_discard); |
| 5688 | tmp_stats[i++] = le32_to_cpu(stat_info->rmac_da_discard); |
| 5689 | tmp_stats[i++] = le32_to_cpu(stat_info->rmac_red_discard); |
| 5690 | tmp_stats[i++] = le32_to_cpu(stat_info->rmac_rts_discard); |
| 5691 | tmp_stats[i++] = le32_to_cpu(stat_info->rmac_ingm_full_discard); |
| 5692 | tmp_stats[i++] = le32_to_cpu(stat_info->link_fault_cnt); |
| 5693 | } |
| 5694 | |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 5695 | tmp_stats[i++] = 0; |
| 5696 | tmp_stats[i++] = stat_info->sw_stat.single_ecc_errs; |
| 5697 | tmp_stats[i++] = stat_info->sw_stat.double_ecc_errs; |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 5698 | tmp_stats[i++] = stat_info->sw_stat.parity_err_cnt; |
| 5699 | tmp_stats[i++] = stat_info->sw_stat.serious_err_cnt; |
| 5700 | tmp_stats[i++] = stat_info->sw_stat.soft_reset_cnt; |
| 5701 | tmp_stats[i++] = stat_info->sw_stat.fifo_full_cnt; |
| 5702 | tmp_stats[i++] = stat_info->sw_stat.ring_full_cnt; |
| 5703 | tmp_stats[i++] = stat_info->xpak_stat.alarm_transceiver_temp_high; |
| 5704 | tmp_stats[i++] = stat_info->xpak_stat.alarm_transceiver_temp_low; |
| 5705 | tmp_stats[i++] = stat_info->xpak_stat.alarm_laser_bias_current_high; |
| 5706 | tmp_stats[i++] = stat_info->xpak_stat.alarm_laser_bias_current_low; |
| 5707 | tmp_stats[i++] = stat_info->xpak_stat.alarm_laser_output_power_high; |
| 5708 | tmp_stats[i++] = stat_info->xpak_stat.alarm_laser_output_power_low; |
| 5709 | tmp_stats[i++] = stat_info->xpak_stat.warn_transceiver_temp_high; |
| 5710 | tmp_stats[i++] = stat_info->xpak_stat.warn_transceiver_temp_low; |
| 5711 | tmp_stats[i++] = stat_info->xpak_stat.warn_laser_bias_current_high; |
| 5712 | tmp_stats[i++] = stat_info->xpak_stat.warn_laser_bias_current_low; |
| 5713 | tmp_stats[i++] = stat_info->xpak_stat.warn_laser_output_power_high; |
| 5714 | tmp_stats[i++] = stat_info->xpak_stat.warn_laser_output_power_low; |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 5715 | tmp_stats[i++] = stat_info->sw_stat.clubbed_frms_cnt; |
| 5716 | tmp_stats[i++] = stat_info->sw_stat.sending_both; |
| 5717 | tmp_stats[i++] = stat_info->sw_stat.outof_sequence_pkts; |
| 5718 | tmp_stats[i++] = stat_info->sw_stat.flush_max_pkts; |
Andrew Morton | fe93139 | 2006-02-03 01:45:12 -0800 | [diff] [blame] | 5719 | if (stat_info->sw_stat.num_aggregations) { |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 5720 | u64 tmp = stat_info->sw_stat.sum_avg_pkts_aggregated; |
| 5721 | int count = 0; |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 5722 | /* |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 5723 | * Since 64-bit divide does not work on all platforms, |
| 5724 | * do repeated subtraction. |
| 5725 | */ |
| 5726 | while (tmp >= stat_info->sw_stat.num_aggregations) { |
| 5727 | tmp -= stat_info->sw_stat.num_aggregations; |
| 5728 | count++; |
| 5729 | } |
| 5730 | tmp_stats[i++] = count; |
Andrew Morton | fe93139 | 2006-02-03 01:45:12 -0800 | [diff] [blame] | 5731 | } |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 5732 | else |
| 5733 | tmp_stats[i++] = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5734 | } |
| 5735 | |
Adrian Bunk | ac1f60d | 2005-11-06 01:46:47 +0100 | [diff] [blame] | 5736 | static int s2io_ethtool_get_regs_len(struct net_device *dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5737 | { |
| 5738 | return (XENA_REG_SPACE); |
| 5739 | } |
| 5740 | |
| 5741 | |
Adrian Bunk | ac1f60d | 2005-11-06 01:46:47 +0100 | [diff] [blame] | 5742 | static u32 s2io_ethtool_get_rx_csum(struct net_device * dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5743 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 5744 | struct s2io_nic *sp = dev->priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5745 | |
| 5746 | return (sp->rx_csum); |
| 5747 | } |
Adrian Bunk | ac1f60d | 2005-11-06 01:46:47 +0100 | [diff] [blame] | 5748 | |
| 5749 | 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] | 5750 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 5751 | struct s2io_nic *sp = dev->priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5752 | |
| 5753 | if (data) |
| 5754 | sp->rx_csum = 1; |
| 5755 | else |
| 5756 | sp->rx_csum = 0; |
| 5757 | |
| 5758 | return 0; |
| 5759 | } |
Adrian Bunk | ac1f60d | 2005-11-06 01:46:47 +0100 | [diff] [blame] | 5760 | |
| 5761 | static int s2io_get_eeprom_len(struct net_device *dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5762 | { |
| 5763 | return (XENA_EEPROM_SPACE); |
| 5764 | } |
| 5765 | |
Adrian Bunk | ac1f60d | 2005-11-06 01:46:47 +0100 | [diff] [blame] | 5766 | static int s2io_ethtool_self_test_count(struct net_device *dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5767 | { |
| 5768 | return (S2IO_TEST_LEN); |
| 5769 | } |
Adrian Bunk | ac1f60d | 2005-11-06 01:46:47 +0100 | [diff] [blame] | 5770 | |
| 5771 | static void s2io_ethtool_get_strings(struct net_device *dev, |
| 5772 | u32 stringset, u8 * data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5773 | { |
Sivakumar Subramani | fa1f0cb | 2007-02-24 02:03:22 -0500 | [diff] [blame] | 5774 | int stat_size = 0; |
| 5775 | struct s2io_nic *sp = dev->priv; |
| 5776 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5777 | switch (stringset) { |
| 5778 | case ETH_SS_TEST: |
| 5779 | memcpy(data, s2io_gstrings, S2IO_STRINGS_LEN); |
| 5780 | break; |
| 5781 | case ETH_SS_STATS: |
Sivakumar Subramani | fa1f0cb | 2007-02-24 02:03:22 -0500 | [diff] [blame] | 5782 | stat_size = sizeof(ethtool_xena_stats_keys); |
| 5783 | memcpy(data, ðtool_xena_stats_keys,stat_size); |
| 5784 | if(sp->device_type == XFRAME_II_DEVICE) { |
| 5785 | memcpy(data + stat_size, |
| 5786 | ðtool_enhanced_stats_keys, |
| 5787 | sizeof(ethtool_enhanced_stats_keys)); |
| 5788 | stat_size += sizeof(ethtool_enhanced_stats_keys); |
| 5789 | } |
| 5790 | |
| 5791 | memcpy(data + stat_size, ðtool_driver_stats_keys, |
| 5792 | sizeof(ethtool_driver_stats_keys)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5793 | } |
| 5794 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5795 | static int s2io_ethtool_get_stats_count(struct net_device *dev) |
| 5796 | { |
Sivakumar Subramani | fa1f0cb | 2007-02-24 02:03:22 -0500 | [diff] [blame] | 5797 | struct s2io_nic *sp = dev->priv; |
| 5798 | int stat_count = 0; |
| 5799 | switch(sp->device_type) { |
| 5800 | case XFRAME_I_DEVICE: |
| 5801 | stat_count = XFRAME_I_STAT_LEN; |
| 5802 | break; |
| 5803 | |
| 5804 | case XFRAME_II_DEVICE: |
| 5805 | stat_count = XFRAME_II_STAT_LEN; |
| 5806 | break; |
| 5807 | } |
| 5808 | |
| 5809 | return stat_count; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5810 | } |
| 5811 | |
Adrian Bunk | ac1f60d | 2005-11-06 01:46:47 +0100 | [diff] [blame] | 5812 | 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] | 5813 | { |
| 5814 | if (data) |
| 5815 | dev->features |= NETIF_F_IP_CSUM; |
| 5816 | else |
| 5817 | dev->features &= ~NETIF_F_IP_CSUM; |
| 5818 | |
| 5819 | return 0; |
| 5820 | } |
| 5821 | |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 5822 | static u32 s2io_ethtool_op_get_tso(struct net_device *dev) |
| 5823 | { |
| 5824 | return (dev->features & NETIF_F_TSO) != 0; |
| 5825 | } |
| 5826 | static int s2io_ethtool_op_set_tso(struct net_device *dev, u32 data) |
| 5827 | { |
| 5828 | if (data) |
| 5829 | dev->features |= (NETIF_F_TSO | NETIF_F_TSO6); |
| 5830 | else |
| 5831 | dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6); |
| 5832 | |
| 5833 | return 0; |
| 5834 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5835 | |
Jeff Garzik | 7282d49 | 2006-09-13 14:30:00 -0400 | [diff] [blame] | 5836 | static const struct ethtool_ops netdev_ethtool_ops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5837 | .get_settings = s2io_ethtool_gset, |
| 5838 | .set_settings = s2io_ethtool_sset, |
| 5839 | .get_drvinfo = s2io_ethtool_gdrvinfo, |
| 5840 | .get_regs_len = s2io_ethtool_get_regs_len, |
| 5841 | .get_regs = s2io_ethtool_gregs, |
| 5842 | .get_link = ethtool_op_get_link, |
| 5843 | .get_eeprom_len = s2io_get_eeprom_len, |
| 5844 | .get_eeprom = s2io_ethtool_geeprom, |
| 5845 | .set_eeprom = s2io_ethtool_seeprom, |
| 5846 | .get_pauseparam = s2io_ethtool_getpause_data, |
| 5847 | .set_pauseparam = s2io_ethtool_setpause_data, |
| 5848 | .get_rx_csum = s2io_ethtool_get_rx_csum, |
| 5849 | .set_rx_csum = s2io_ethtool_set_rx_csum, |
| 5850 | .get_tx_csum = ethtool_op_get_tx_csum, |
| 5851 | .set_tx_csum = s2io_ethtool_op_set_tx_csum, |
| 5852 | .get_sg = ethtool_op_get_sg, |
| 5853 | .set_sg = ethtool_op_set_sg, |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 5854 | .get_tso = s2io_ethtool_op_get_tso, |
| 5855 | .set_tso = s2io_ethtool_op_set_tso, |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 5856 | .get_ufo = ethtool_op_get_ufo, |
| 5857 | .set_ufo = ethtool_op_set_ufo, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5858 | .self_test_count = s2io_ethtool_self_test_count, |
| 5859 | .self_test = s2io_ethtool_test, |
| 5860 | .get_strings = s2io_ethtool_get_strings, |
| 5861 | .phys_id = s2io_ethtool_idnic, |
| 5862 | .get_stats_count = s2io_ethtool_get_stats_count, |
| 5863 | .get_ethtool_stats = s2io_get_ethtool_stats |
| 5864 | }; |
| 5865 | |
| 5866 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5867 | * s2io_ioctl - Entry point for the Ioctl |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5868 | * @dev : Device pointer. |
| 5869 | * @ifr : An IOCTL specefic structure, that can contain a pointer to |
| 5870 | * a proprietary structure used to pass information to the driver. |
| 5871 | * @cmd : This is used to distinguish between the different commands that |
| 5872 | * can be passed to the IOCTL functions. |
| 5873 | * Description: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5874 | * Currently there are no special functionality supported in IOCTL, hence |
| 5875 | * function always return EOPNOTSUPPORTED |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5876 | */ |
| 5877 | |
Adrian Bunk | ac1f60d | 2005-11-06 01:46:47 +0100 | [diff] [blame] | 5878 | 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] | 5879 | { |
| 5880 | return -EOPNOTSUPP; |
| 5881 | } |
| 5882 | |
| 5883 | /** |
| 5884 | * s2io_change_mtu - entry point to change MTU size for the device. |
| 5885 | * @dev : device pointer. |
| 5886 | * @new_mtu : the new MTU size for the device. |
| 5887 | * Description: A driver entry point to change MTU size for the device. |
| 5888 | * Before changing the MTU the device must be stopped. |
| 5889 | * Return value: |
| 5890 | * 0 on success and an appropriate (-)ve integer as defined in errno.h |
| 5891 | * file on failure. |
| 5892 | */ |
| 5893 | |
Adrian Bunk | ac1f60d | 2005-11-06 01:46:47 +0100 | [diff] [blame] | 5894 | static int s2io_change_mtu(struct net_device *dev, int new_mtu) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5895 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 5896 | struct s2io_nic *sp = dev->priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5897 | |
| 5898 | if ((new_mtu < MIN_MTU) || (new_mtu > S2IO_JUMBO_SIZE)) { |
| 5899 | DBG_PRINT(ERR_DBG, "%s: MTU size is invalid.\n", |
| 5900 | dev->name); |
| 5901 | return -EPERM; |
| 5902 | } |
| 5903 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5904 | dev->mtu = new_mtu; |
raghavendra.koushik@neterion.com | d8892c6 | 2005-08-03 12:33:12 -0700 | [diff] [blame] | 5905 | if (netif_running(dev)) { |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 5906 | s2io_card_down(sp); |
raghavendra.koushik@neterion.com | d8892c6 | 2005-08-03 12:33:12 -0700 | [diff] [blame] | 5907 | netif_stop_queue(dev); |
| 5908 | if (s2io_card_up(sp)) { |
| 5909 | DBG_PRINT(ERR_DBG, "%s: Device bring up failed\n", |
| 5910 | __FUNCTION__); |
| 5911 | } |
| 5912 | if (netif_queue_stopped(dev)) |
| 5913 | netif_wake_queue(dev); |
| 5914 | } else { /* Device is down */ |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 5915 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
raghavendra.koushik@neterion.com | d8892c6 | 2005-08-03 12:33:12 -0700 | [diff] [blame] | 5916 | u64 val64 = new_mtu; |
| 5917 | |
| 5918 | writeq(vBIT(val64, 2, 14), &bar0->rmac_max_pyld_len); |
| 5919 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5920 | |
| 5921 | return 0; |
| 5922 | } |
| 5923 | |
| 5924 | /** |
| 5925 | * s2io_tasklet - Bottom half of the ISR. |
| 5926 | * @dev_adr : address of the device structure in dma_addr_t format. |
| 5927 | * Description: |
| 5928 | * This is the tasklet or the bottom half of the ISR. This is |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5929 | * an extension of the ISR which is scheduled by the scheduler to be run |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5930 | * when the load on the CPU is low. All low priority tasks of the ISR can |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5931 | * be pushed into the tasklet. For now the tasklet is used only to |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5932 | * replenish the Rx buffers in the Rx buffer descriptors. |
| 5933 | * Return value: |
| 5934 | * void. |
| 5935 | */ |
| 5936 | |
| 5937 | static void s2io_tasklet(unsigned long dev_addr) |
| 5938 | { |
| 5939 | struct net_device *dev = (struct net_device *) dev_addr; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 5940 | struct s2io_nic *sp = dev->priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5941 | int i, ret; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 5942 | struct mac_info *mac_control; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5943 | struct config_param *config; |
| 5944 | |
| 5945 | mac_control = &sp->mac_control; |
| 5946 | config = &sp->config; |
| 5947 | |
| 5948 | if (!TASKLET_IN_USE) { |
| 5949 | for (i = 0; i < config->rx_ring_num; i++) { |
| 5950 | ret = fill_rx_buffers(sp, i); |
| 5951 | if (ret == -ENOMEM) { |
| 5952 | DBG_PRINT(ERR_DBG, "%s: Out of ", |
| 5953 | dev->name); |
| 5954 | DBG_PRINT(ERR_DBG, "memory in tasklet\n"); |
| 5955 | break; |
| 5956 | } else if (ret == -EFILL) { |
| 5957 | DBG_PRINT(ERR_DBG, |
| 5958 | "%s: Rx Ring %d is full\n", |
| 5959 | dev->name, i); |
| 5960 | break; |
| 5961 | } |
| 5962 | } |
| 5963 | clear_bit(0, (&sp->tasklet_status)); |
| 5964 | } |
| 5965 | } |
| 5966 | |
| 5967 | /** |
| 5968 | * s2io_set_link - Set the LInk status |
| 5969 | * @data: long pointer to device private structue |
| 5970 | * Description: Sets the link status for the adapter |
| 5971 | */ |
| 5972 | |
David Howells | c402895 | 2006-11-22 14:57:56 +0000 | [diff] [blame] | 5973 | static void s2io_set_link(struct work_struct *work) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5974 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 5975 | struct s2io_nic *nic = container_of(work, struct s2io_nic, set_link_task); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5976 | struct net_device *dev = nic->dev; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 5977 | struct XENA_dev_config __iomem *bar0 = nic->bar0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5978 | register u64 val64; |
| 5979 | u16 subid; |
| 5980 | |
Francois Romieu | 22747d6 | 2007-02-15 23:37:50 +0100 | [diff] [blame] | 5981 | rtnl_lock(); |
| 5982 | |
| 5983 | if (!netif_running(dev)) |
| 5984 | goto out_unlock; |
| 5985 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5986 | if (test_and_set_bit(0, &(nic->link_state))) { |
| 5987 | /* The card is being reset, no point doing anything */ |
Francois Romieu | 22747d6 | 2007-02-15 23:37:50 +0100 | [diff] [blame] | 5988 | goto out_unlock; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5989 | } |
| 5990 | |
| 5991 | subid = nic->pdev->subsystem_device; |
raghavendra.koushik@neterion.com | a371a07 | 2005-08-03 12:38:59 -0700 | [diff] [blame] | 5992 | if (s2io_link_fault_indication(nic) == MAC_RMAC_ERR_TIMER) { |
| 5993 | /* |
| 5994 | * Allow a small delay for the NICs self initiated |
| 5995 | * cleanup to complete. |
| 5996 | */ |
| 5997 | msleep(100); |
| 5998 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5999 | |
| 6000 | val64 = readq(&bar0->adapter_status); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 6001 | if (LINK_IS_UP(val64)) { |
| 6002 | if (!(readq(&bar0->adapter_control) & ADAPTER_CNTL_EN)) { |
| 6003 | if (verify_xena_quiescence(nic)) { |
| 6004 | val64 = readq(&bar0->adapter_control); |
| 6005 | val64 |= ADAPTER_CNTL_EN; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6006 | writeq(val64, &bar0->adapter_control); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 6007 | if (CARDS_WITH_FAULTY_LINK_INDICATORS( |
| 6008 | nic->device_type, subid)) { |
| 6009 | val64 = readq(&bar0->gpio_control); |
| 6010 | val64 |= GPIO_CTRL_GPIO_0; |
| 6011 | writeq(val64, &bar0->gpio_control); |
| 6012 | val64 = readq(&bar0->gpio_control); |
| 6013 | } else { |
| 6014 | val64 |= ADAPTER_LED_ON; |
| 6015 | writeq(val64, &bar0->adapter_control); |
raghavendra.koushik@neterion.com | a371a07 | 2005-08-03 12:38:59 -0700 | [diff] [blame] | 6016 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6017 | nic->device_enabled_once = TRUE; |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 6018 | } else { |
| 6019 | DBG_PRINT(ERR_DBG, "%s: Error: ", dev->name); |
| 6020 | DBG_PRINT(ERR_DBG, "device is not Quiescent\n"); |
| 6021 | netif_stop_queue(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6022 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6023 | } |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 6024 | val64 = readq(&bar0->adapter_status); |
| 6025 | if (!LINK_IS_UP(val64)) { |
| 6026 | DBG_PRINT(ERR_DBG, "%s:", dev->name); |
| 6027 | DBG_PRINT(ERR_DBG, " Link down after enabling "); |
| 6028 | DBG_PRINT(ERR_DBG, "device \n"); |
| 6029 | } else |
| 6030 | s2io_link(nic, LINK_UP); |
| 6031 | } else { |
| 6032 | if (CARDS_WITH_FAULTY_LINK_INDICATORS(nic->device_type, |
| 6033 | subid)) { |
| 6034 | val64 = readq(&bar0->gpio_control); |
| 6035 | val64 &= ~GPIO_CTRL_GPIO_0; |
| 6036 | writeq(val64, &bar0->gpio_control); |
| 6037 | val64 = readq(&bar0->gpio_control); |
| 6038 | } |
| 6039 | s2io_link(nic, LINK_DOWN); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6040 | } |
| 6041 | clear_bit(0, &(nic->link_state)); |
Francois Romieu | 22747d6 | 2007-02-15 23:37:50 +0100 | [diff] [blame] | 6042 | |
| 6043 | out_unlock: |
Sivakumar Subramani | d8d70ca | 2007-02-24 02:04:24 -0500 | [diff] [blame] | 6044 | rtnl_unlock(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6045 | } |
| 6046 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 6047 | static int set_rxd_buffer_pointer(struct s2io_nic *sp, struct RxD_t *rxdp, |
| 6048 | struct buffAdd *ba, |
| 6049 | struct sk_buff **skb, u64 *temp0, u64 *temp1, |
| 6050 | u64 *temp2, int size) |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6051 | { |
| 6052 | struct net_device *dev = sp->dev; |
| 6053 | struct sk_buff *frag_list; |
| 6054 | |
| 6055 | if ((sp->rxd_mode == RXD_MODE_1) && (rxdp->Host_Control == 0)) { |
| 6056 | /* allocate skb */ |
| 6057 | if (*skb) { |
| 6058 | DBG_PRINT(INFO_DBG, "SKB is not NULL\n"); |
| 6059 | /* |
| 6060 | * As Rx frame are not going to be processed, |
| 6061 | * using same mapped address for the Rxd |
| 6062 | * buffer pointer |
| 6063 | */ |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 6064 | ((struct RxD1*)rxdp)->Buffer0_ptr = *temp0; |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6065 | } else { |
| 6066 | *skb = dev_alloc_skb(size); |
| 6067 | if (!(*skb)) { |
| 6068 | DBG_PRINT(ERR_DBG, "%s: Out of ", dev->name); |
| 6069 | DBG_PRINT(ERR_DBG, "memory to allocate SKBs\n"); |
| 6070 | return -ENOMEM ; |
| 6071 | } |
| 6072 | /* storing the mapped addr in a temp variable |
| 6073 | * such it will be used for next rxd whose |
| 6074 | * Host Control is NULL |
| 6075 | */ |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 6076 | ((struct RxD1*)rxdp)->Buffer0_ptr = *temp0 = |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6077 | pci_map_single( sp->pdev, (*skb)->data, |
| 6078 | size - NET_IP_ALIGN, |
| 6079 | PCI_DMA_FROMDEVICE); |
| 6080 | rxdp->Host_Control = (unsigned long) (*skb); |
| 6081 | } |
| 6082 | } else if ((sp->rxd_mode == RXD_MODE_3B) && (rxdp->Host_Control == 0)) { |
| 6083 | /* Two buffer Mode */ |
| 6084 | if (*skb) { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 6085 | ((struct RxD3*)rxdp)->Buffer2_ptr = *temp2; |
| 6086 | ((struct RxD3*)rxdp)->Buffer0_ptr = *temp0; |
| 6087 | ((struct RxD3*)rxdp)->Buffer1_ptr = *temp1; |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6088 | } else { |
| 6089 | *skb = dev_alloc_skb(size); |
David Rientjes | 2ceaac7 | 2006-10-30 14:19:25 -0800 | [diff] [blame] | 6090 | if (!(*skb)) { |
| 6091 | DBG_PRINT(ERR_DBG, "%s: dev_alloc_skb failed\n", |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 6092 | dev->name); |
David Rientjes | 2ceaac7 | 2006-10-30 14:19:25 -0800 | [diff] [blame] | 6093 | return -ENOMEM; |
| 6094 | } |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 6095 | ((struct RxD3*)rxdp)->Buffer2_ptr = *temp2 = |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6096 | pci_map_single(sp->pdev, (*skb)->data, |
| 6097 | dev->mtu + 4, |
| 6098 | PCI_DMA_FROMDEVICE); |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 6099 | ((struct RxD3*)rxdp)->Buffer0_ptr = *temp0 = |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6100 | pci_map_single( sp->pdev, ba->ba_0, BUF0_LEN, |
| 6101 | PCI_DMA_FROMDEVICE); |
| 6102 | rxdp->Host_Control = (unsigned long) (*skb); |
| 6103 | |
| 6104 | /* Buffer-1 will be dummy buffer not used */ |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 6105 | ((struct RxD3*)rxdp)->Buffer1_ptr = *temp1 = |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6106 | pci_map_single(sp->pdev, ba->ba_1, BUF1_LEN, |
| 6107 | PCI_DMA_FROMDEVICE); |
| 6108 | } |
| 6109 | } else if ((rxdp->Host_Control == 0)) { |
| 6110 | /* Three buffer mode */ |
| 6111 | if (*skb) { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 6112 | ((struct RxD3*)rxdp)->Buffer0_ptr = *temp0; |
| 6113 | ((struct RxD3*)rxdp)->Buffer1_ptr = *temp1; |
| 6114 | ((struct RxD3*)rxdp)->Buffer2_ptr = *temp2; |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6115 | } else { |
| 6116 | *skb = dev_alloc_skb(size); |
David Rientjes | 2ceaac7 | 2006-10-30 14:19:25 -0800 | [diff] [blame] | 6117 | if (!(*skb)) { |
| 6118 | DBG_PRINT(ERR_DBG, "%s: dev_alloc_skb failed\n", |
| 6119 | dev->name); |
| 6120 | return -ENOMEM; |
| 6121 | } |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 6122 | ((struct RxD3*)rxdp)->Buffer0_ptr = *temp0 = |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6123 | pci_map_single(sp->pdev, ba->ba_0, BUF0_LEN, |
| 6124 | PCI_DMA_FROMDEVICE); |
| 6125 | /* Buffer-1 receives L3/L4 headers */ |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 6126 | ((struct RxD3*)rxdp)->Buffer1_ptr = *temp1 = |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6127 | pci_map_single( sp->pdev, (*skb)->data, |
| 6128 | l3l4hdr_size + 4, |
| 6129 | PCI_DMA_FROMDEVICE); |
| 6130 | /* |
| 6131 | * skb_shinfo(skb)->frag_list will have L4 |
| 6132 | * data payload |
| 6133 | */ |
| 6134 | skb_shinfo(*skb)->frag_list = dev_alloc_skb(dev->mtu + |
| 6135 | ALIGN_SIZE); |
| 6136 | if (skb_shinfo(*skb)->frag_list == NULL) { |
| 6137 | DBG_PRINT(ERR_DBG, "%s: dev_alloc_skb \ |
| 6138 | failed\n ", dev->name); |
| 6139 | return -ENOMEM ; |
| 6140 | } |
| 6141 | frag_list = skb_shinfo(*skb)->frag_list; |
| 6142 | frag_list->next = NULL; |
| 6143 | /* |
| 6144 | * Buffer-2 receives L4 data payload |
| 6145 | */ |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 6146 | ((struct RxD3*)rxdp)->Buffer2_ptr = *temp2 = |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6147 | pci_map_single( sp->pdev, frag_list->data, |
| 6148 | dev->mtu, PCI_DMA_FROMDEVICE); |
| 6149 | } |
| 6150 | } |
| 6151 | return 0; |
| 6152 | } |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 6153 | static void set_rxd_buffer_size(struct s2io_nic *sp, struct RxD_t *rxdp, |
| 6154 | int size) |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6155 | { |
| 6156 | struct net_device *dev = sp->dev; |
| 6157 | if (sp->rxd_mode == RXD_MODE_1) { |
| 6158 | rxdp->Control_2 = SET_BUFFER0_SIZE_1( size - NET_IP_ALIGN); |
| 6159 | } else if (sp->rxd_mode == RXD_MODE_3B) { |
| 6160 | rxdp->Control_2 = SET_BUFFER0_SIZE_3(BUF0_LEN); |
| 6161 | rxdp->Control_2 |= SET_BUFFER1_SIZE_3(1); |
| 6162 | rxdp->Control_2 |= SET_BUFFER2_SIZE_3( dev->mtu + 4); |
| 6163 | } else { |
| 6164 | rxdp->Control_2 = SET_BUFFER0_SIZE_3(BUF0_LEN); |
| 6165 | rxdp->Control_2 |= SET_BUFFER1_SIZE_3(l3l4hdr_size + 4); |
| 6166 | rxdp->Control_2 |= SET_BUFFER2_SIZE_3(dev->mtu); |
| 6167 | } |
| 6168 | } |
| 6169 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 6170 | static int rxd_owner_bit_reset(struct s2io_nic *sp) |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6171 | { |
| 6172 | int i, j, k, blk_cnt = 0, size; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 6173 | struct mac_info * mac_control = &sp->mac_control; |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6174 | struct config_param *config = &sp->config; |
| 6175 | struct net_device *dev = sp->dev; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 6176 | struct RxD_t *rxdp = NULL; |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6177 | struct sk_buff *skb = NULL; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 6178 | struct buffAdd *ba = NULL; |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6179 | u64 temp0_64 = 0, temp1_64 = 0, temp2_64 = 0; |
| 6180 | |
| 6181 | /* Calculate the size based on ring mode */ |
| 6182 | size = dev->mtu + HEADER_ETHERNET_II_802_3_SIZE + |
| 6183 | HEADER_802_2_SIZE + HEADER_SNAP_SIZE; |
| 6184 | if (sp->rxd_mode == RXD_MODE_1) |
| 6185 | size += NET_IP_ALIGN; |
| 6186 | else if (sp->rxd_mode == RXD_MODE_3B) |
| 6187 | size = dev->mtu + ALIGN_SIZE + BUF0_LEN + 4; |
| 6188 | else |
| 6189 | size = l3l4hdr_size + ALIGN_SIZE + BUF0_LEN + 4; |
| 6190 | |
| 6191 | for (i = 0; i < config->rx_ring_num; i++) { |
| 6192 | blk_cnt = config->rx_cfg[i].num_rxd / |
| 6193 | (rxd_count[sp->rxd_mode] +1); |
| 6194 | |
| 6195 | for (j = 0; j < blk_cnt; j++) { |
| 6196 | for (k = 0; k < rxd_count[sp->rxd_mode]; k++) { |
| 6197 | rxdp = mac_control->rings[i]. |
| 6198 | rx_blocks[j].rxds[k].virt_addr; |
| 6199 | if(sp->rxd_mode >= RXD_MODE_3A) |
| 6200 | ba = &mac_control->rings[i].ba[j][k]; |
Sivakumar Subramani | ac1f90d | 2007-02-24 02:01:31 -0500 | [diff] [blame] | 6201 | if (set_rxd_buffer_pointer(sp, rxdp, ba, |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6202 | &skb,(u64 *)&temp0_64, |
| 6203 | (u64 *)&temp1_64, |
Sivakumar Subramani | ac1f90d | 2007-02-24 02:01:31 -0500 | [diff] [blame] | 6204 | (u64 *)&temp2_64, |
| 6205 | size) == ENOMEM) { |
| 6206 | return 0; |
| 6207 | } |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6208 | |
| 6209 | set_rxd_buffer_size(sp, rxdp, size); |
| 6210 | wmb(); |
| 6211 | /* flip the Ownership bit to Hardware */ |
| 6212 | rxdp->Control_1 |= RXD_OWN_XENA; |
| 6213 | } |
| 6214 | } |
| 6215 | } |
| 6216 | return 0; |
| 6217 | |
| 6218 | } |
| 6219 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 6220 | static int s2io_add_isr(struct s2io_nic * sp) |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 6221 | { |
| 6222 | int ret = 0; |
| 6223 | struct net_device *dev = sp->dev; |
| 6224 | int err = 0; |
| 6225 | |
| 6226 | if (sp->intr_type == MSI) |
| 6227 | ret = s2io_enable_msi(sp); |
| 6228 | else if (sp->intr_type == MSI_X) |
| 6229 | ret = s2io_enable_msi_x(sp); |
| 6230 | if (ret) { |
| 6231 | DBG_PRINT(ERR_DBG, "%s: Defaulting to INTA\n", dev->name); |
| 6232 | sp->intr_type = INTA; |
| 6233 | } |
| 6234 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 6235 | /* Store the values of the MSIX table in the struct s2io_nic structure */ |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 6236 | store_xmsi_data(sp); |
| 6237 | |
| 6238 | /* After proper initialization of H/W, register ISR */ |
| 6239 | if (sp->intr_type == MSI) { |
| 6240 | err = request_irq((int) sp->pdev->irq, s2io_msi_handle, |
| 6241 | IRQF_SHARED, sp->name, dev); |
| 6242 | if (err) { |
| 6243 | pci_disable_msi(sp->pdev); |
| 6244 | DBG_PRINT(ERR_DBG, "%s: MSI registration failed\n", |
| 6245 | dev->name); |
| 6246 | return -1; |
| 6247 | } |
| 6248 | } |
| 6249 | if (sp->intr_type == MSI_X) { |
Sivakumar Subramani | fb6a825 | 2007-02-24 01:51:50 -0500 | [diff] [blame] | 6250 | int i, msix_tx_cnt=0,msix_rx_cnt=0; |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 6251 | |
| 6252 | for (i=1; (sp->s2io_entries[i].in_use == MSIX_FLG); i++) { |
| 6253 | if (sp->s2io_entries[i].type == MSIX_FIFO_TYPE) { |
| 6254 | sprintf(sp->desc[i], "%s:MSI-X-%d-TX", |
| 6255 | dev->name, i); |
| 6256 | err = request_irq(sp->entries[i].vector, |
| 6257 | s2io_msix_fifo_handle, 0, sp->desc[i], |
| 6258 | sp->s2io_entries[i].arg); |
Sivakumar Subramani | fb6a825 | 2007-02-24 01:51:50 -0500 | [diff] [blame] | 6259 | /* If either data or addr is zero print it */ |
| 6260 | if(!(sp->msix_info[i].addr && |
| 6261 | sp->msix_info[i].data)) { |
| 6262 | DBG_PRINT(ERR_DBG, "%s @ Addr:0x%llx" |
| 6263 | "Data:0x%lx\n",sp->desc[i], |
| 6264 | (unsigned long long) |
| 6265 | sp->msix_info[i].addr, |
| 6266 | (unsigned long) |
| 6267 | ntohl(sp->msix_info[i].data)); |
| 6268 | } else { |
| 6269 | msix_tx_cnt++; |
| 6270 | } |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 6271 | } else { |
| 6272 | sprintf(sp->desc[i], "%s:MSI-X-%d-RX", |
| 6273 | dev->name, i); |
| 6274 | err = request_irq(sp->entries[i].vector, |
| 6275 | s2io_msix_ring_handle, 0, sp->desc[i], |
| 6276 | sp->s2io_entries[i].arg); |
Sivakumar Subramani | fb6a825 | 2007-02-24 01:51:50 -0500 | [diff] [blame] | 6277 | /* If either data or addr is zero print it */ |
| 6278 | if(!(sp->msix_info[i].addr && |
| 6279 | sp->msix_info[i].data)) { |
| 6280 | DBG_PRINT(ERR_DBG, "%s @ Addr:0x%llx" |
| 6281 | "Data:0x%lx\n",sp->desc[i], |
| 6282 | (unsigned long long) |
| 6283 | sp->msix_info[i].addr, |
| 6284 | (unsigned long) |
| 6285 | ntohl(sp->msix_info[i].data)); |
| 6286 | } else { |
| 6287 | msix_rx_cnt++; |
| 6288 | } |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 6289 | } |
| 6290 | if (err) { |
| 6291 | DBG_PRINT(ERR_DBG,"%s:MSI-X-%d registration " |
| 6292 | "failed\n", dev->name, i); |
| 6293 | DBG_PRINT(ERR_DBG, "Returned: %d\n", err); |
| 6294 | return -1; |
| 6295 | } |
| 6296 | sp->s2io_entries[i].in_use = MSIX_REGISTERED_SUCCESS; |
| 6297 | } |
Sivakumar Subramani | fb6a825 | 2007-02-24 01:51:50 -0500 | [diff] [blame] | 6298 | printk("MSI-X-TX %d entries enabled\n",msix_tx_cnt); |
| 6299 | printk("MSI-X-RX %d entries enabled\n",msix_rx_cnt); |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 6300 | } |
| 6301 | if (sp->intr_type == INTA) { |
| 6302 | err = request_irq((int) sp->pdev->irq, s2io_isr, IRQF_SHARED, |
| 6303 | sp->name, dev); |
| 6304 | if (err) { |
| 6305 | DBG_PRINT(ERR_DBG, "%s: ISR registration failed\n", |
| 6306 | dev->name); |
| 6307 | return -1; |
| 6308 | } |
| 6309 | } |
| 6310 | return 0; |
| 6311 | } |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 6312 | static void s2io_rem_isr(struct s2io_nic * sp) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6313 | { |
| 6314 | int cnt = 0; |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 6315 | struct net_device *dev = sp->dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6316 | |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 6317 | if (sp->intr_type == MSI_X) { |
| 6318 | int i; |
| 6319 | u16 msi_control; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6320 | |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 6321 | for (i=1; (sp->s2io_entries[i].in_use == |
| 6322 | MSIX_REGISTERED_SUCCESS); i++) { |
| 6323 | int vector = sp->entries[i].vector; |
| 6324 | void *arg = sp->s2io_entries[i].arg; |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 6325 | |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 6326 | free_irq(vector, arg); |
| 6327 | } |
| 6328 | pci_read_config_word(sp->pdev, 0x42, &msi_control); |
| 6329 | msi_control &= 0xFFFE; /* Disable MSI */ |
| 6330 | pci_write_config_word(sp->pdev, 0x42, msi_control); |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 6331 | |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 6332 | pci_disable_msix(sp->pdev); |
| 6333 | } else { |
| 6334 | free_irq(sp->pdev->irq, dev); |
| 6335 | if (sp->intr_type == MSI) { |
| 6336 | u16 val; |
| 6337 | |
| 6338 | pci_disable_msi(sp->pdev); |
| 6339 | pci_read_config_word(sp->pdev, 0x4c, &val); |
| 6340 | val ^= 0x1; |
| 6341 | pci_write_config_word(sp->pdev, 0x4c, val); |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 6342 | } |
| 6343 | } |
| 6344 | /* Waiting till all Interrupt handlers are complete */ |
| 6345 | cnt = 0; |
| 6346 | do { |
| 6347 | msleep(10); |
| 6348 | if (!atomic_read(&sp->isr_cnt)) |
| 6349 | break; |
| 6350 | cnt++; |
| 6351 | } while(cnt < 5); |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 6352 | } |
| 6353 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 6354 | static void s2io_card_down(struct s2io_nic * sp) |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 6355 | { |
| 6356 | int cnt = 0; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 6357 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 6358 | unsigned long flags; |
| 6359 | register u64 val64 = 0; |
| 6360 | |
| 6361 | del_timer_sync(&sp->alarm_timer); |
| 6362 | /* If s2io_set_link task is executing, wait till it completes. */ |
| 6363 | while (test_and_set_bit(0, &(sp->link_state))) { |
| 6364 | msleep(50); |
| 6365 | } |
| 6366 | atomic_set(&sp->card_state, CARD_DOWN); |
| 6367 | |
| 6368 | /* disable Tx and Rx traffic on the NIC */ |
| 6369 | stop_nic(sp); |
| 6370 | |
| 6371 | s2io_rem_isr(sp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6372 | |
| 6373 | /* Kill tasklet. */ |
| 6374 | tasklet_kill(&sp->task); |
| 6375 | |
| 6376 | /* Check if the device is Quiescent and then Reset the NIC */ |
| 6377 | do { |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6378 | /* As per the HW requirement we need to replenish the |
| 6379 | * receive buffer to avoid the ring bump. Since there is |
| 6380 | * no intention of processing the Rx frame at this pointwe are |
| 6381 | * just settting the ownership bit of rxd in Each Rx |
| 6382 | * ring to HW and set the appropriate buffer size |
| 6383 | * based on the ring mode |
| 6384 | */ |
| 6385 | rxd_owner_bit_reset(sp); |
| 6386 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6387 | val64 = readq(&bar0->adapter_status); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 6388 | if (verify_xena_quiescence(sp)) { |
| 6389 | if(verify_pcc_quiescent(sp, sp->device_enabled_once)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6390 | break; |
| 6391 | } |
| 6392 | |
| 6393 | msleep(50); |
| 6394 | cnt++; |
| 6395 | if (cnt == 10) { |
| 6396 | DBG_PRINT(ERR_DBG, |
| 6397 | "s2io_close:Device not Quiescent "); |
| 6398 | DBG_PRINT(ERR_DBG, "adaper status reads 0x%llx\n", |
| 6399 | (unsigned long long) val64); |
| 6400 | break; |
| 6401 | } |
| 6402 | } while (1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6403 | s2io_reset(sp); |
| 6404 | |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 6405 | spin_lock_irqsave(&sp->tx_lock, flags); |
| 6406 | /* Free all Tx buffers */ |
| 6407 | free_tx_buffers(sp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6408 | spin_unlock_irqrestore(&sp->tx_lock, flags); |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 6409 | |
| 6410 | /* Free all Rx buffers */ |
| 6411 | spin_lock_irqsave(&sp->rx_lock, flags); |
| 6412 | free_rx_buffers(sp); |
| 6413 | spin_unlock_irqrestore(&sp->rx_lock, flags); |
| 6414 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6415 | clear_bit(0, &(sp->link_state)); |
| 6416 | } |
| 6417 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 6418 | static int s2io_card_up(struct s2io_nic * sp) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6419 | { |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 6420 | int i, ret = 0; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 6421 | struct mac_info *mac_control; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6422 | struct config_param *config; |
| 6423 | struct net_device *dev = (struct net_device *) sp->dev; |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 6424 | u16 interruptible; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6425 | |
| 6426 | /* Initialize the H/W I/O registers */ |
| 6427 | if (init_nic(sp) != 0) { |
| 6428 | DBG_PRINT(ERR_DBG, "%s: H/W initialization failed\n", |
| 6429 | dev->name); |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 6430 | s2io_reset(sp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6431 | return -ENODEV; |
| 6432 | } |
| 6433 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 6434 | /* |
| 6435 | * Initializing the Rx buffers. For now we are considering only 1 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6436 | * Rx ring and initializing buffers into 30 Rx blocks |
| 6437 | */ |
| 6438 | mac_control = &sp->mac_control; |
| 6439 | config = &sp->config; |
| 6440 | |
| 6441 | for (i = 0; i < config->rx_ring_num; i++) { |
| 6442 | if ((ret = fill_rx_buffers(sp, i))) { |
| 6443 | DBG_PRINT(ERR_DBG, "%s: Out of memory in Open\n", |
| 6444 | dev->name); |
| 6445 | s2io_reset(sp); |
| 6446 | free_rx_buffers(sp); |
| 6447 | return -ENOMEM; |
| 6448 | } |
| 6449 | DBG_PRINT(INFO_DBG, "Buf in ring:%d is %d:\n", i, |
| 6450 | atomic_read(&sp->rx_bufs_left[i])); |
| 6451 | } |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 6452 | /* Maintain the state prior to the open */ |
| 6453 | if (sp->promisc_flg) |
| 6454 | sp->promisc_flg = 0; |
| 6455 | if (sp->m_cast_flg) { |
| 6456 | sp->m_cast_flg = 0; |
| 6457 | sp->all_multi_pos= 0; |
| 6458 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6459 | |
| 6460 | /* Setting its receive mode */ |
| 6461 | s2io_set_multicast(dev); |
| 6462 | |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 6463 | if (sp->lro) { |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 6464 | /* Initialize max aggregatable pkts per session based on MTU */ |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 6465 | sp->lro_max_aggr_per_sess = ((1<<16) - 1) / dev->mtu; |
| 6466 | /* Check if we can use(if specified) user provided value */ |
| 6467 | if (lro_max_pkts < sp->lro_max_aggr_per_sess) |
| 6468 | sp->lro_max_aggr_per_sess = lro_max_pkts; |
| 6469 | } |
| 6470 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6471 | /* Enable Rx Traffic and interrupts on the NIC */ |
| 6472 | if (start_nic(sp)) { |
| 6473 | DBG_PRINT(ERR_DBG, "%s: Starting NIC failed\n", dev->name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6474 | s2io_reset(sp); |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 6475 | free_rx_buffers(sp); |
| 6476 | return -ENODEV; |
| 6477 | } |
| 6478 | |
| 6479 | /* Add interrupt service routine */ |
| 6480 | if (s2io_add_isr(sp) != 0) { |
| 6481 | if (sp->intr_type == MSI_X) |
| 6482 | s2io_rem_isr(sp); |
| 6483 | s2io_reset(sp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6484 | free_rx_buffers(sp); |
| 6485 | return -ENODEV; |
| 6486 | } |
| 6487 | |
raghavendra.koushik@neterion.com | 25fff88 | 2005-08-03 12:34:11 -0700 | [diff] [blame] | 6488 | S2IO_TIMER_CONF(sp->alarm_timer, s2io_alarm_handle, sp, (HZ/2)); |
| 6489 | |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 6490 | /* Enable tasklet for the device */ |
| 6491 | tasklet_init(&sp->task, s2io_tasklet, (unsigned long) dev); |
| 6492 | |
| 6493 | /* Enable select interrupts */ |
| 6494 | if (sp->intr_type != INTA) |
| 6495 | en_dis_able_nic_intrs(sp, ENA_ALL_INTRS, DISABLE_INTRS); |
| 6496 | else { |
| 6497 | interruptible = TX_TRAFFIC_INTR | RX_TRAFFIC_INTR; |
| 6498 | interruptible |= TX_PIC_INTR | RX_PIC_INTR; |
| 6499 | interruptible |= TX_MAC_INTR | RX_MAC_INTR; |
| 6500 | en_dis_able_nic_intrs(sp, interruptible, ENABLE_INTRS); |
| 6501 | } |
| 6502 | |
| 6503 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6504 | atomic_set(&sp->card_state, CARD_UP); |
| 6505 | return 0; |
| 6506 | } |
| 6507 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 6508 | /** |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6509 | * s2io_restart_nic - Resets the NIC. |
| 6510 | * @data : long pointer to the device private structure |
| 6511 | * Description: |
| 6512 | * 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] | 6513 | * 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] | 6514 | * the run time of the watch dog routine which is run holding a |
| 6515 | * spin lock. |
| 6516 | */ |
| 6517 | |
David Howells | c402895 | 2006-11-22 14:57:56 +0000 | [diff] [blame] | 6518 | static void s2io_restart_nic(struct work_struct *work) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6519 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 6520 | 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] | 6521 | struct net_device *dev = sp->dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6522 | |
Francois Romieu | 22747d6 | 2007-02-15 23:37:50 +0100 | [diff] [blame] | 6523 | rtnl_lock(); |
| 6524 | |
| 6525 | if (!netif_running(dev)) |
| 6526 | goto out_unlock; |
| 6527 | |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 6528 | s2io_card_down(sp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6529 | if (s2io_card_up(sp)) { |
| 6530 | DBG_PRINT(ERR_DBG, "%s: Device bring up failed\n", |
| 6531 | dev->name); |
| 6532 | } |
| 6533 | netif_wake_queue(dev); |
| 6534 | DBG_PRINT(ERR_DBG, "%s: was reset by Tx watchdog timer\n", |
| 6535 | dev->name); |
Francois Romieu | 22747d6 | 2007-02-15 23:37:50 +0100 | [diff] [blame] | 6536 | out_unlock: |
| 6537 | rtnl_unlock(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6538 | } |
| 6539 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 6540 | /** |
| 6541 | * s2io_tx_watchdog - Watchdog for transmit side. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6542 | * @dev : Pointer to net device structure |
| 6543 | * Description: |
| 6544 | * This function is triggered if the Tx Queue is stopped |
| 6545 | * for a pre-defined amount of time when the Interface is still up. |
| 6546 | * If the Interface is jammed in such a situation, the hardware is |
| 6547 | * reset (by s2io_close) and restarted again (by s2io_open) to |
| 6548 | * overcome any problem that might have been caused in the hardware. |
| 6549 | * Return value: |
| 6550 | * void |
| 6551 | */ |
| 6552 | |
| 6553 | static void s2io_tx_watchdog(struct net_device *dev) |
| 6554 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 6555 | struct s2io_nic *sp = dev->priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6556 | |
| 6557 | if (netif_carrier_ok(dev)) { |
| 6558 | schedule_work(&sp->rst_timer_task); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 6559 | sp->mac_control.stats_info->sw_stat.soft_reset_cnt++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6560 | } |
| 6561 | } |
| 6562 | |
| 6563 | /** |
| 6564 | * rx_osm_handler - To perform some OS related operations on SKB. |
| 6565 | * @sp: private member of the device structure,pointer to s2io_nic structure. |
| 6566 | * @skb : the socket buffer pointer. |
| 6567 | * @len : length of the packet |
| 6568 | * @cksum : FCS checksum of the frame. |
| 6569 | * @ring_no : the ring from which this RxD was extracted. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 6570 | * Description: |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 6571 | * This function is called by the Rx interrupt serivce routine to perform |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6572 | * some OS related operations on the SKB before passing it to the upper |
| 6573 | * layers. It mainly checks if the checksum is OK, if so adds it to the |
| 6574 | * SKBs cksum variable, increments the Rx packet count and passes the SKB |
| 6575 | * to the upper layer. If the checksum is wrong, it increments the Rx |
| 6576 | * packet error count, frees the SKB and returns error. |
| 6577 | * Return value: |
| 6578 | * SUCCESS on success and -1 on failure. |
| 6579 | */ |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 6580 | 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] | 6581 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 6582 | struct s2io_nic *sp = ring_data->nic; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6583 | struct net_device *dev = (struct net_device *) sp->dev; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 6584 | struct sk_buff *skb = (struct sk_buff *) |
| 6585 | ((unsigned long) rxdp->Host_Control); |
| 6586 | int ring_no = ring_data->ring_no; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6587 | u16 l3_csum, l4_csum; |
Ananda Raju | 863c11a | 2006-04-21 19:03:13 -0400 | [diff] [blame] | 6588 | unsigned long long err = rxdp->Control_1 & RXD_T_CODE; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 6589 | struct lro *lro; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 6590 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 6591 | skb->dev = dev; |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 6592 | |
Ananda Raju | 863c11a | 2006-04-21 19:03:13 -0400 | [diff] [blame] | 6593 | if (err) { |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 6594 | /* Check for parity error */ |
| 6595 | if (err & 0x1) { |
| 6596 | sp->mac_control.stats_info->sw_stat.parity_err_cnt++; |
| 6597 | } |
| 6598 | |
Ananda Raju | 863c11a | 2006-04-21 19:03:13 -0400 | [diff] [blame] | 6599 | /* |
| 6600 | * Drop the packet if bad transfer code. Exception being |
| 6601 | * 0x5, which could be due to unsupported IPv6 extension header. |
| 6602 | * In this case, we let stack handle the packet. |
| 6603 | * Note that in this case, since checksum will be incorrect, |
| 6604 | * stack will validate the same. |
| 6605 | */ |
| 6606 | if (err && ((err >> 48) != 0x5)) { |
| 6607 | DBG_PRINT(ERR_DBG, "%s: Rx error Value: 0x%llx\n", |
| 6608 | dev->name, err); |
| 6609 | sp->stats.rx_crc_errors++; |
| 6610 | dev_kfree_skb(skb); |
| 6611 | atomic_dec(&sp->rx_bufs_left[ring_no]); |
| 6612 | rxdp->Host_Control = 0; |
| 6613 | return 0; |
| 6614 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6615 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6616 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 6617 | /* Updating statistics */ |
| 6618 | rxdp->Host_Control = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6619 | sp->rx_pkt_count++; |
| 6620 | sp->stats.rx_packets++; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 6621 | if (sp->rxd_mode == RXD_MODE_1) { |
| 6622 | int len = RXD_GET_BUFFER0_SIZE_1(rxdp->Control_2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6623 | |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 6624 | sp->stats.rx_bytes += len; |
| 6625 | skb_put(skb, len); |
| 6626 | |
| 6627 | } else if (sp->rxd_mode >= RXD_MODE_3A) { |
| 6628 | int get_block = ring_data->rx_curr_get_info.block_index; |
| 6629 | int get_off = ring_data->rx_curr_get_info.offset; |
| 6630 | int buf0_len = RXD_GET_BUFFER0_SIZE_3(rxdp->Control_2); |
| 6631 | int buf2_len = RXD_GET_BUFFER2_SIZE_3(rxdp->Control_2); |
| 6632 | unsigned char *buff = skb_push(skb, buf0_len); |
| 6633 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 6634 | struct buffAdd *ba = &ring_data->ba[get_block][get_off]; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 6635 | sp->stats.rx_bytes += buf0_len + buf2_len; |
| 6636 | memcpy(buff, ba->ba_0, buf0_len); |
| 6637 | |
| 6638 | if (sp->rxd_mode == RXD_MODE_3A) { |
| 6639 | int buf1_len = RXD_GET_BUFFER1_SIZE_3(rxdp->Control_2); |
| 6640 | |
| 6641 | skb_put(skb, buf1_len); |
| 6642 | skb->len += buf2_len; |
| 6643 | skb->data_len += buf2_len; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 6644 | skb_put(skb_shinfo(skb)->frag_list, buf2_len); |
| 6645 | sp->stats.rx_bytes += buf1_len; |
| 6646 | |
| 6647 | } else |
| 6648 | skb_put(skb, buf2_len); |
| 6649 | } |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 6650 | |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 6651 | if ((rxdp->Control_1 & TCP_OR_UDP_FRAME) && ((!sp->lro) || |
| 6652 | (sp->lro && (!(rxdp->Control_1 & RXD_FRAME_IP_FRAG)))) && |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 6653 | (sp->rx_csum)) { |
| 6654 | l3_csum = RXD_GET_L3_CKSUM(rxdp->Control_1); |
| 6655 | l4_csum = RXD_GET_L4_CKSUM(rxdp->Control_1); |
| 6656 | if ((l3_csum == L3_CKSUM_OK) && (l4_csum == L4_CKSUM_OK)) { |
| 6657 | /* |
| 6658 | * NIC verifies if the Checksum of the received |
| 6659 | * frame is Ok or not and accordingly returns |
| 6660 | * a flag in the RxD. |
| 6661 | */ |
| 6662 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 6663 | if (sp->lro) { |
| 6664 | u32 tcp_len; |
| 6665 | u8 *tcp; |
| 6666 | int ret = 0; |
| 6667 | |
| 6668 | ret = s2io_club_tcp_session(skb->data, &tcp, |
| 6669 | &tcp_len, &lro, rxdp, sp); |
| 6670 | switch (ret) { |
| 6671 | case 3: /* Begin anew */ |
| 6672 | lro->parent = skb; |
| 6673 | goto aggregate; |
| 6674 | case 1: /* Aggregate */ |
| 6675 | { |
| 6676 | lro_append_pkt(sp, lro, |
| 6677 | skb, tcp_len); |
| 6678 | goto aggregate; |
| 6679 | } |
| 6680 | case 4: /* Flush session */ |
| 6681 | { |
| 6682 | lro_append_pkt(sp, lro, |
| 6683 | skb, tcp_len); |
| 6684 | queue_rx_frame(lro->parent); |
| 6685 | clear_lro_session(lro); |
| 6686 | sp->mac_control.stats_info-> |
| 6687 | sw_stat.flush_max_pkts++; |
| 6688 | goto aggregate; |
| 6689 | } |
| 6690 | case 2: /* Flush both */ |
| 6691 | lro->parent->data_len = |
| 6692 | lro->frags_len; |
| 6693 | sp->mac_control.stats_info-> |
| 6694 | sw_stat.sending_both++; |
| 6695 | queue_rx_frame(lro->parent); |
| 6696 | clear_lro_session(lro); |
| 6697 | goto send_up; |
| 6698 | case 0: /* sessions exceeded */ |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 6699 | case -1: /* non-TCP or not |
| 6700 | * L2 aggregatable |
| 6701 | */ |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 6702 | case 5: /* |
| 6703 | * First pkt in session not |
| 6704 | * L3/L4 aggregatable |
| 6705 | */ |
| 6706 | break; |
| 6707 | default: |
| 6708 | DBG_PRINT(ERR_DBG, |
| 6709 | "%s: Samadhana!!\n", |
| 6710 | __FUNCTION__); |
| 6711 | BUG(); |
| 6712 | } |
| 6713 | } |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 6714 | } else { |
| 6715 | /* |
| 6716 | * Packet with erroneous checksum, let the |
| 6717 | * upper layers deal with it. |
| 6718 | */ |
| 6719 | skb->ip_summed = CHECKSUM_NONE; |
| 6720 | } |
| 6721 | } else { |
| 6722 | skb->ip_summed = CHECKSUM_NONE; |
| 6723 | } |
| 6724 | |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 6725 | if (!sp->lro) { |
| 6726 | skb->protocol = eth_type_trans(skb, dev); |
Sivakumar Subramani | 926930b | 2007-02-24 01:59:39 -0500 | [diff] [blame] | 6727 | if ((sp->vlgrp && RXD_GET_VLAN_TAG(rxdp->Control_2) && |
| 6728 | vlan_strip_flag)) { |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 6729 | /* Queueing the vlan frame to the upper layer */ |
Sivakumar Subramani | db874e6 | 2007-01-31 13:28:08 -0500 | [diff] [blame] | 6730 | if (napi) |
| 6731 | vlan_hwaccel_receive_skb(skb, sp->vlgrp, |
| 6732 | RXD_GET_VLAN_TAG(rxdp->Control_2)); |
| 6733 | else |
| 6734 | vlan_hwaccel_rx(skb, sp->vlgrp, |
| 6735 | RXD_GET_VLAN_TAG(rxdp->Control_2)); |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 6736 | } else { |
Sivakumar Subramani | db874e6 | 2007-01-31 13:28:08 -0500 | [diff] [blame] | 6737 | if (napi) |
| 6738 | netif_receive_skb(skb); |
| 6739 | else |
| 6740 | netif_rx(skb); |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 6741 | } |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 6742 | } else { |
| 6743 | send_up: |
| 6744 | queue_rx_frame(skb); |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 6745 | } |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 6746 | dev->last_rx = jiffies; |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 6747 | aggregate: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6748 | atomic_dec(&sp->rx_bufs_left[ring_no]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6749 | return SUCCESS; |
| 6750 | } |
| 6751 | |
| 6752 | /** |
| 6753 | * s2io_link - stops/starts the Tx queue. |
| 6754 | * @sp : private member of the device structure, which is a pointer to the |
| 6755 | * s2io_nic structure. |
| 6756 | * @link : inidicates whether link is UP/DOWN. |
| 6757 | * Description: |
| 6758 | * 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] | 6759 | * status of the NIC is is down or up. This is called by the Alarm |
| 6760 | * interrupt handler whenever a link change interrupt comes up. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6761 | * Return value: |
| 6762 | * void. |
| 6763 | */ |
| 6764 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 6765 | static void s2io_link(struct s2io_nic * sp, int link) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6766 | { |
| 6767 | struct net_device *dev = (struct net_device *) sp->dev; |
| 6768 | |
| 6769 | if (link != sp->last_link_state) { |
| 6770 | if (link == LINK_DOWN) { |
| 6771 | DBG_PRINT(ERR_DBG, "%s: Link down\n", dev->name); |
| 6772 | netif_carrier_off(dev); |
| 6773 | } else { |
| 6774 | DBG_PRINT(ERR_DBG, "%s: Link Up\n", dev->name); |
| 6775 | netif_carrier_on(dev); |
| 6776 | } |
| 6777 | } |
| 6778 | sp->last_link_state = link; |
| 6779 | } |
| 6780 | |
| 6781 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 6782 | * get_xena_rev_id - to identify revision ID of xena. |
| 6783 | * @pdev : PCI Dev structure |
| 6784 | * Description: |
| 6785 | * Function to identify the Revision ID of xena. |
| 6786 | * Return value: |
| 6787 | * returns the revision ID of the device. |
| 6788 | */ |
| 6789 | |
Adrian Bunk | 26df54b | 2006-01-14 03:09:40 +0100 | [diff] [blame] | 6790 | static int get_xena_rev_id(struct pci_dev *pdev) |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 6791 | { |
| 6792 | u8 id = 0; |
| 6793 | int ret; |
| 6794 | ret = pci_read_config_byte(pdev, PCI_REVISION_ID, (u8 *) & id); |
| 6795 | return id; |
| 6796 | } |
| 6797 | |
| 6798 | /** |
| 6799 | * s2io_init_pci -Initialization of PCI and PCI-X configuration registers . |
| 6800 | * @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] | 6801 | * s2io_nic structure. |
| 6802 | * Description: |
| 6803 | * This function initializes a few of the PCI and PCI-X configuration registers |
| 6804 | * with recommended values. |
| 6805 | * Return value: |
| 6806 | * void |
| 6807 | */ |
| 6808 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 6809 | static void s2io_init_pci(struct s2io_nic * sp) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6810 | { |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 6811 | u16 pci_cmd = 0, pcix_cmd = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6812 | |
| 6813 | /* Enable Data Parity Error Recovery in PCI-X command register. */ |
| 6814 | pci_read_config_word(sp->pdev, PCIX_COMMAND_REGISTER, |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 6815 | &(pcix_cmd)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6816 | pci_write_config_word(sp->pdev, PCIX_COMMAND_REGISTER, |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 6817 | (pcix_cmd | 1)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6818 | pci_read_config_word(sp->pdev, PCIX_COMMAND_REGISTER, |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 6819 | &(pcix_cmd)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6820 | |
| 6821 | /* Set the PErr Response bit in PCI command register. */ |
| 6822 | pci_read_config_word(sp->pdev, PCI_COMMAND, &pci_cmd); |
| 6823 | pci_write_config_word(sp->pdev, PCI_COMMAND, |
| 6824 | (pci_cmd | PCI_COMMAND_PARITY)); |
| 6825 | pci_read_config_word(sp->pdev, PCI_COMMAND, &pci_cmd); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6826 | } |
| 6827 | |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 6828 | static int s2io_verify_parm(struct pci_dev *pdev, u8 *dev_intr_type) |
| 6829 | { |
| 6830 | if ( tx_fifo_num > 8) { |
| 6831 | DBG_PRINT(ERR_DBG, "s2io: Requested number of Tx fifos not " |
| 6832 | "supported\n"); |
| 6833 | DBG_PRINT(ERR_DBG, "s2io: Default to 8 Tx fifos\n"); |
| 6834 | tx_fifo_num = 8; |
| 6835 | } |
| 6836 | if ( rx_ring_num > 8) { |
| 6837 | DBG_PRINT(ERR_DBG, "s2io: Requested number of Rx rings not " |
| 6838 | "supported\n"); |
| 6839 | DBG_PRINT(ERR_DBG, "s2io: Default to 8 Rx rings\n"); |
| 6840 | rx_ring_num = 8; |
| 6841 | } |
Sivakumar Subramani | db874e6 | 2007-01-31 13:28:08 -0500 | [diff] [blame] | 6842 | if (*dev_intr_type != INTA) |
| 6843 | napi = 0; |
| 6844 | |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 6845 | #ifndef CONFIG_PCI_MSI |
| 6846 | if (*dev_intr_type != INTA) { |
| 6847 | DBG_PRINT(ERR_DBG, "s2io: This kernel does not support" |
| 6848 | "MSI/MSI-X. Defaulting to INTA\n"); |
| 6849 | *dev_intr_type = INTA; |
| 6850 | } |
| 6851 | #else |
| 6852 | if (*dev_intr_type > MSI_X) { |
| 6853 | DBG_PRINT(ERR_DBG, "s2io: Wrong intr_type requested. " |
| 6854 | "Defaulting to INTA\n"); |
| 6855 | *dev_intr_type = INTA; |
| 6856 | } |
| 6857 | #endif |
| 6858 | if ((*dev_intr_type == MSI_X) && |
| 6859 | ((pdev->device != PCI_DEVICE_ID_HERC_WIN) && |
| 6860 | (pdev->device != PCI_DEVICE_ID_HERC_UNI))) { |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 6861 | DBG_PRINT(ERR_DBG, "s2io: Xframe I does not support MSI_X. " |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 6862 | "Defaulting to INTA\n"); |
| 6863 | *dev_intr_type = INTA; |
| 6864 | } |
Sivakumar Subramani | fb6a825 | 2007-02-24 01:51:50 -0500 | [diff] [blame] | 6865 | |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 6866 | if (rx_ring_mode > 3) { |
| 6867 | DBG_PRINT(ERR_DBG, "s2io: Requested ring mode not supported\n"); |
| 6868 | DBG_PRINT(ERR_DBG, "s2io: Defaulting to 3-buffer mode\n"); |
| 6869 | rx_ring_mode = 3; |
| 6870 | } |
| 6871 | return SUCCESS; |
| 6872 | } |
| 6873 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6874 | /** |
Sivakumar Subramani | 9fc93a4 | 2007-02-24 01:57:32 -0500 | [diff] [blame] | 6875 | * rts_ds_steer - Receive traffic steering based on IPv4 or IPv6 TOS |
| 6876 | * or Traffic class respectively. |
| 6877 | * @nic: device peivate variable |
| 6878 | * Description: The function configures the receive steering to |
| 6879 | * desired receive ring. |
| 6880 | * Return Value: SUCCESS on success and |
| 6881 | * '-1' on failure (endian settings incorrect). |
| 6882 | */ |
| 6883 | static int rts_ds_steer(struct s2io_nic *nic, u8 ds_codepoint, u8 ring) |
| 6884 | { |
| 6885 | struct XENA_dev_config __iomem *bar0 = nic->bar0; |
| 6886 | register u64 val64 = 0; |
| 6887 | |
| 6888 | if (ds_codepoint > 63) |
| 6889 | return FAILURE; |
| 6890 | |
| 6891 | val64 = RTS_DS_MEM_DATA(ring); |
| 6892 | writeq(val64, &bar0->rts_ds_mem_data); |
| 6893 | |
| 6894 | val64 = RTS_DS_MEM_CTRL_WE | |
| 6895 | RTS_DS_MEM_CTRL_STROBE_NEW_CMD | |
| 6896 | RTS_DS_MEM_CTRL_OFFSET(ds_codepoint); |
| 6897 | |
| 6898 | writeq(val64, &bar0->rts_ds_mem_ctrl); |
| 6899 | |
| 6900 | return wait_for_cmd_complete(&bar0->rts_ds_mem_ctrl, |
| 6901 | RTS_DS_MEM_CTRL_STROBE_CMD_BEING_EXECUTED, |
| 6902 | S2IO_BIT_RESET); |
| 6903 | } |
| 6904 | |
| 6905 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 6906 | * s2io_init_nic - Initialization of the adapter . |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6907 | * @pdev : structure containing the PCI related information of the device. |
| 6908 | * @pre: List of PCI devices supported by the driver listed in s2io_tbl. |
| 6909 | * Description: |
| 6910 | * 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] | 6911 | * All OS related initialization including memory and device structure and |
| 6912 | * initlaization of the device private variable is done. Also the swapper |
| 6913 | * 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] | 6914 | * registers of the device. |
| 6915 | * Return value: |
| 6916 | * returns 0 on success and negative on failure. |
| 6917 | */ |
| 6918 | |
| 6919 | static int __devinit |
| 6920 | s2io_init_nic(struct pci_dev *pdev, const struct pci_device_id *pre) |
| 6921 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 6922 | struct s2io_nic *sp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6923 | struct net_device *dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6924 | int i, j, ret; |
| 6925 | int dma_flag = FALSE; |
| 6926 | u32 mac_up, mac_down; |
| 6927 | u64 val64 = 0, tmp64 = 0; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 6928 | struct XENA_dev_config __iomem *bar0 = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6929 | u16 subid; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 6930 | struct mac_info *mac_control; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6931 | struct config_param *config; |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 6932 | int mode; |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 6933 | u8 dev_intr_type = intr_type; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6934 | |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 6935 | if ((ret = s2io_verify_parm(pdev, &dev_intr_type))) |
| 6936 | return ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6937 | |
| 6938 | if ((ret = pci_enable_device(pdev))) { |
| 6939 | DBG_PRINT(ERR_DBG, |
| 6940 | "s2io_init_nic: pci_enable_device failed\n"); |
| 6941 | return ret; |
| 6942 | } |
| 6943 | |
Domen Puncer | 1e7f0bd | 2005-06-26 18:22:14 -0400 | [diff] [blame] | 6944 | if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6945 | DBG_PRINT(INIT_DBG, "s2io_init_nic: Using 64bit DMA\n"); |
| 6946 | dma_flag = TRUE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6947 | if (pci_set_consistent_dma_mask |
Domen Puncer | 1e7f0bd | 2005-06-26 18:22:14 -0400 | [diff] [blame] | 6948 | (pdev, DMA_64BIT_MASK)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6949 | DBG_PRINT(ERR_DBG, |
| 6950 | "Unable to obtain 64bit DMA for \ |
| 6951 | consistent allocations\n"); |
| 6952 | pci_disable_device(pdev); |
| 6953 | return -ENOMEM; |
| 6954 | } |
Domen Puncer | 1e7f0bd | 2005-06-26 18:22:14 -0400 | [diff] [blame] | 6955 | } else if (!pci_set_dma_mask(pdev, DMA_32BIT_MASK)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6956 | DBG_PRINT(INIT_DBG, "s2io_init_nic: Using 32bit DMA\n"); |
| 6957 | } else { |
| 6958 | pci_disable_device(pdev); |
| 6959 | return -ENOMEM; |
| 6960 | } |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 6961 | if (dev_intr_type != MSI_X) { |
| 6962 | if (pci_request_regions(pdev, s2io_driver_name)) { |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 6963 | DBG_PRINT(ERR_DBG, "Request Regions failed\n"); |
| 6964 | pci_disable_device(pdev); |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 6965 | return -ENODEV; |
| 6966 | } |
| 6967 | } |
| 6968 | else { |
| 6969 | if (!(request_mem_region(pci_resource_start(pdev, 0), |
| 6970 | pci_resource_len(pdev, 0), s2io_driver_name))) { |
| 6971 | DBG_PRINT(ERR_DBG, "bar0 Request Regions failed\n"); |
| 6972 | pci_disable_device(pdev); |
| 6973 | return -ENODEV; |
| 6974 | } |
| 6975 | if (!(request_mem_region(pci_resource_start(pdev, 2), |
| 6976 | pci_resource_len(pdev, 2), s2io_driver_name))) { |
| 6977 | DBG_PRINT(ERR_DBG, "bar1 Request Regions failed\n"); |
| 6978 | release_mem_region(pci_resource_start(pdev, 0), |
| 6979 | pci_resource_len(pdev, 0)); |
| 6980 | pci_disable_device(pdev); |
| 6981 | return -ENODEV; |
| 6982 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6983 | } |
| 6984 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 6985 | dev = alloc_etherdev(sizeof(struct s2io_nic)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6986 | if (dev == NULL) { |
| 6987 | DBG_PRINT(ERR_DBG, "Device allocation failed\n"); |
| 6988 | pci_disable_device(pdev); |
| 6989 | pci_release_regions(pdev); |
| 6990 | return -ENODEV; |
| 6991 | } |
| 6992 | |
| 6993 | pci_set_master(pdev); |
| 6994 | pci_set_drvdata(pdev, dev); |
| 6995 | SET_MODULE_OWNER(dev); |
| 6996 | SET_NETDEV_DEV(dev, &pdev->dev); |
| 6997 | |
| 6998 | /* Private member variable initialized to s2io NIC structure */ |
| 6999 | sp = dev->priv; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 7000 | memset(sp, 0, sizeof(struct s2io_nic)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7001 | sp->dev = dev; |
| 7002 | sp->pdev = pdev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7003 | sp->high_dma_flag = dma_flag; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7004 | sp->device_enabled_once = FALSE; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 7005 | if (rx_ring_mode == 1) |
| 7006 | sp->rxd_mode = RXD_MODE_1; |
| 7007 | if (rx_ring_mode == 2) |
| 7008 | sp->rxd_mode = RXD_MODE_3B; |
| 7009 | if (rx_ring_mode == 3) |
| 7010 | sp->rxd_mode = RXD_MODE_3A; |
| 7011 | |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 7012 | sp->intr_type = dev_intr_type; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7013 | |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 7014 | if ((pdev->device == PCI_DEVICE_ID_HERC_WIN) || |
| 7015 | (pdev->device == PCI_DEVICE_ID_HERC_UNI)) |
| 7016 | sp->device_type = XFRAME_II_DEVICE; |
| 7017 | else |
| 7018 | sp->device_type = XFRAME_I_DEVICE; |
| 7019 | |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 7020 | sp->lro = lro; |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 7021 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7022 | /* Initialize some PCI/PCI-X fields of the NIC. */ |
| 7023 | s2io_init_pci(sp); |
| 7024 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7025 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7026 | * Setting the device configuration parameters. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7027 | * Most of these parameters can be specified by the user during |
| 7028 | * module insertion as they are module loadable parameters. If |
| 7029 | * these parameters are not not specified during load time, they |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7030 | * are initialized with default values. |
| 7031 | */ |
| 7032 | mac_control = &sp->mac_control; |
| 7033 | config = &sp->config; |
| 7034 | |
| 7035 | /* Tx side parameters. */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7036 | config->tx_fifo_num = tx_fifo_num; |
| 7037 | for (i = 0; i < MAX_TX_FIFOS; i++) { |
| 7038 | config->tx_cfg[i].fifo_len = tx_fifo_len[i]; |
| 7039 | config->tx_cfg[i].fifo_priority = i; |
| 7040 | } |
| 7041 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7042 | /* mapping the QoS priority to the configured fifos */ |
| 7043 | for (i = 0; i < MAX_TX_FIFOS; i++) |
| 7044 | config->fifo_mapping[i] = fifo_map[config->tx_fifo_num][i]; |
| 7045 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7046 | config->tx_intr_type = TXD_INT_TYPE_UTILZ; |
| 7047 | for (i = 0; i < config->tx_fifo_num; i++) { |
| 7048 | config->tx_cfg[i].f_no_snoop = |
| 7049 | (NO_SNOOP_TXD | NO_SNOOP_TXD_BUFFER); |
| 7050 | if (config->tx_cfg[i].fifo_len < 65) { |
| 7051 | config->tx_intr_type = TXD_INT_TYPE_PER_LIST; |
| 7052 | break; |
| 7053 | } |
| 7054 | } |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 7055 | /* + 2 because one Txd for skb->data and one Txd for UFO */ |
| 7056 | config->max_txds = MAX_SKB_FRAGS + 2; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7057 | |
| 7058 | /* Rx side parameters. */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7059 | config->rx_ring_num = rx_ring_num; |
| 7060 | for (i = 0; i < MAX_RX_RINGS; i++) { |
| 7061 | config->rx_cfg[i].num_rxd = rx_ring_sz[i] * |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 7062 | (rxd_count[sp->rxd_mode] + 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7063 | config->rx_cfg[i].ring_priority = i; |
| 7064 | } |
| 7065 | |
| 7066 | for (i = 0; i < rx_ring_num; i++) { |
| 7067 | config->rx_cfg[i].ring_org = RING_ORG_BUFF1; |
| 7068 | config->rx_cfg[i].f_no_snoop = |
| 7069 | (NO_SNOOP_RXD | NO_SNOOP_RXD_BUFFER); |
| 7070 | } |
| 7071 | |
| 7072 | /* Setting Mac Control parameters */ |
| 7073 | mac_control->rmac_pause_time = rmac_pause_time; |
| 7074 | mac_control->mc_pause_threshold_q0q3 = mc_pause_threshold_q0q3; |
| 7075 | mac_control->mc_pause_threshold_q4q7 = mc_pause_threshold_q4q7; |
| 7076 | |
| 7077 | |
| 7078 | /* Initialize Ring buffer parameters. */ |
| 7079 | for (i = 0; i < config->rx_ring_num; i++) |
| 7080 | atomic_set(&sp->rx_bufs_left[i], 0); |
| 7081 | |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 7082 | /* Initialize the number of ISRs currently running */ |
| 7083 | atomic_set(&sp->isr_cnt, 0); |
| 7084 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7085 | /* initialize the shared memory used by the NIC and the host */ |
| 7086 | if (init_shared_mem(sp)) { |
| 7087 | DBG_PRINT(ERR_DBG, "%s: Memory allocation failed\n", |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 7088 | dev->name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7089 | ret = -ENOMEM; |
| 7090 | goto mem_alloc_failed; |
| 7091 | } |
| 7092 | |
| 7093 | sp->bar0 = ioremap(pci_resource_start(pdev, 0), |
| 7094 | pci_resource_len(pdev, 0)); |
| 7095 | if (!sp->bar0) { |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 7096 | DBG_PRINT(ERR_DBG, "%s: Neterion: cannot remap io mem1\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7097 | dev->name); |
| 7098 | ret = -ENOMEM; |
| 7099 | goto bar0_remap_failed; |
| 7100 | } |
| 7101 | |
| 7102 | sp->bar1 = ioremap(pci_resource_start(pdev, 2), |
| 7103 | pci_resource_len(pdev, 2)); |
| 7104 | if (!sp->bar1) { |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 7105 | DBG_PRINT(ERR_DBG, "%s: Neterion: cannot remap io mem2\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7106 | dev->name); |
| 7107 | ret = -ENOMEM; |
| 7108 | goto bar1_remap_failed; |
| 7109 | } |
| 7110 | |
| 7111 | dev->irq = pdev->irq; |
| 7112 | dev->base_addr = (unsigned long) sp->bar0; |
| 7113 | |
| 7114 | /* Initializing the BAR1 address as the start of the FIFO pointer. */ |
| 7115 | for (j = 0; j < MAX_TX_FIFOS; j++) { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 7116 | mac_control->tx_FIFO_start[j] = (struct TxFIFO_element __iomem *) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7117 | (sp->bar1 + (j * 0x00020000)); |
| 7118 | } |
| 7119 | |
| 7120 | /* Driver entry points */ |
| 7121 | dev->open = &s2io_open; |
| 7122 | dev->stop = &s2io_close; |
| 7123 | dev->hard_start_xmit = &s2io_xmit; |
| 7124 | dev->get_stats = &s2io_get_stats; |
| 7125 | dev->set_multicast_list = &s2io_set_multicast; |
| 7126 | dev->do_ioctl = &s2io_ioctl; |
| 7127 | dev->change_mtu = &s2io_change_mtu; |
| 7128 | SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops); |
raghavendra.koushik@neterion.com | be3a6b0 | 2005-08-03 12:35:55 -0700 | [diff] [blame] | 7129 | dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; |
| 7130 | dev->vlan_rx_register = s2io_vlan_rx_register; |
| 7131 | dev->vlan_rx_kill_vid = (void *)s2io_vlan_rx_kill_vid; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7132 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7133 | /* |
| 7134 | * will use eth_mac_addr() for dev->set_mac_address |
| 7135 | * mac address will be set every time dev->open() is called |
| 7136 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7137 | dev->poll = s2io_poll; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7138 | dev->weight = 32; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7139 | |
Brian Haley | 612eff0 | 2006-06-15 14:36:36 -0400 | [diff] [blame] | 7140 | #ifdef CONFIG_NET_POLL_CONTROLLER |
| 7141 | dev->poll_controller = s2io_netpoll; |
| 7142 | #endif |
| 7143 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7144 | dev->features |= NETIF_F_SG | NETIF_F_IP_CSUM; |
| 7145 | if (sp->high_dma_flag == TRUE) |
| 7146 | dev->features |= NETIF_F_HIGHDMA; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7147 | dev->features |= NETIF_F_TSO; |
Herbert Xu | f83ef8c | 2006-06-30 13:37:03 -0700 | [diff] [blame] | 7148 | dev->features |= NETIF_F_TSO6; |
Sivakumar Subramani | db874e6 | 2007-01-31 13:28:08 -0500 | [diff] [blame] | 7149 | if ((sp->device_type & XFRAME_II_DEVICE) && (ufo)) { |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 7150 | dev->features |= NETIF_F_UFO; |
| 7151 | dev->features |= NETIF_F_HW_CSUM; |
| 7152 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7153 | |
| 7154 | dev->tx_timeout = &s2io_tx_watchdog; |
| 7155 | dev->watchdog_timeo = WATCH_DOG_TIMEOUT; |
David Howells | c402895 | 2006-11-22 14:57:56 +0000 | [diff] [blame] | 7156 | INIT_WORK(&sp->rst_timer_task, s2io_restart_nic); |
| 7157 | INIT_WORK(&sp->set_link_task, s2io_set_link); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7158 | |
ravinandan.arakali@neterion.com | e960fc5 | 2005-08-12 10:15:59 -0700 | [diff] [blame] | 7159 | pci_save_state(sp->pdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7160 | |
| 7161 | /* Setting swapper control on the NIC, for proper reset operation */ |
| 7162 | if (s2io_set_swapper(sp)) { |
| 7163 | DBG_PRINT(ERR_DBG, "%s:swapper settings are wrong\n", |
| 7164 | dev->name); |
| 7165 | ret = -EAGAIN; |
| 7166 | goto set_swap_failed; |
| 7167 | } |
| 7168 | |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 7169 | /* Verify if the Herc works on the slot its placed into */ |
| 7170 | if (sp->device_type & XFRAME_II_DEVICE) { |
| 7171 | mode = s2io_verify_pci_mode(sp); |
| 7172 | if (mode < 0) { |
| 7173 | DBG_PRINT(ERR_DBG, "%s: ", __FUNCTION__); |
| 7174 | DBG_PRINT(ERR_DBG, " Unsupported PCI bus mode\n"); |
| 7175 | ret = -EBADSLT; |
| 7176 | goto set_swap_failed; |
| 7177 | } |
| 7178 | } |
| 7179 | |
| 7180 | /* Not needed for Herc */ |
| 7181 | if (sp->device_type & XFRAME_I_DEVICE) { |
| 7182 | /* |
| 7183 | * Fix for all "FFs" MAC address problems observed on |
| 7184 | * Alpha platforms |
| 7185 | */ |
| 7186 | fix_mac_address(sp); |
| 7187 | s2io_reset(sp); |
| 7188 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7189 | |
| 7190 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7191 | * MAC address initialization. |
| 7192 | * For now only one mac address will be read and used. |
| 7193 | */ |
| 7194 | bar0 = sp->bar0; |
| 7195 | val64 = RMAC_ADDR_CMD_MEM_RD | RMAC_ADDR_CMD_MEM_STROBE_NEW_CMD | |
| 7196 | RMAC_ADDR_CMD_MEM_OFFSET(0 + MAC_MAC_ADDR_START_OFFSET); |
| 7197 | writeq(val64, &bar0->rmac_addr_cmd_mem); |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 7198 | wait_for_cmd_complete(&bar0->rmac_addr_cmd_mem, |
Sivakumar Subramani | 9fc93a4 | 2007-02-24 01:57:32 -0500 | [diff] [blame] | 7199 | RMAC_ADDR_CMD_MEM_STROBE_CMD_EXECUTING, S2IO_BIT_RESET); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7200 | tmp64 = readq(&bar0->rmac_addr_data0_mem); |
| 7201 | mac_down = (u32) tmp64; |
| 7202 | mac_up = (u32) (tmp64 >> 32); |
| 7203 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7204 | sp->def_mac_addr[0].mac_addr[3] = (u8) (mac_up); |
| 7205 | sp->def_mac_addr[0].mac_addr[2] = (u8) (mac_up >> 8); |
| 7206 | sp->def_mac_addr[0].mac_addr[1] = (u8) (mac_up >> 16); |
| 7207 | sp->def_mac_addr[0].mac_addr[0] = (u8) (mac_up >> 24); |
| 7208 | sp->def_mac_addr[0].mac_addr[5] = (u8) (mac_down >> 16); |
| 7209 | sp->def_mac_addr[0].mac_addr[4] = (u8) (mac_down >> 24); |
| 7210 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7211 | /* Set the factory defined MAC address initially */ |
| 7212 | dev->addr_len = ETH_ALEN; |
| 7213 | memcpy(dev->dev_addr, sp->def_mac_addr, ETH_ALEN); |
| 7214 | |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 7215 | /* reset Nic and bring it to known state */ |
| 7216 | s2io_reset(sp); |
| 7217 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7218 | /* |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7219 | * Initialize the tasklet status and link state flags |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 7220 | * and the card state parameter |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7221 | */ |
| 7222 | atomic_set(&(sp->card_state), 0); |
| 7223 | sp->tasklet_status = 0; |
| 7224 | sp->link_state = 0; |
| 7225 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7226 | /* Initialize spinlocks */ |
| 7227 | spin_lock_init(&sp->tx_lock); |
Sivakumar Subramani | db874e6 | 2007-01-31 13:28:08 -0500 | [diff] [blame] | 7228 | |
| 7229 | if (!napi) |
| 7230 | spin_lock_init(&sp->put_lock); |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 7231 | spin_lock_init(&sp->rx_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7232 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7233 | /* |
| 7234 | * SXE-002: Configure link and activity LED to init state |
| 7235 | * on driver load. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7236 | */ |
| 7237 | subid = sp->pdev->subsystem_device; |
| 7238 | if ((subid & 0xFF) >= 0x07) { |
| 7239 | val64 = readq(&bar0->gpio_control); |
| 7240 | val64 |= 0x0000800000000000ULL; |
| 7241 | writeq(val64, &bar0->gpio_control); |
| 7242 | val64 = 0x0411040400000000ULL; |
| 7243 | writeq(val64, (void __iomem *) bar0 + 0x2700); |
| 7244 | val64 = readq(&bar0->gpio_control); |
| 7245 | } |
| 7246 | |
| 7247 | sp->rx_csum = 1; /* Rx chksum verify enabled by default */ |
| 7248 | |
| 7249 | if (register_netdev(dev)) { |
| 7250 | DBG_PRINT(ERR_DBG, "Device registration failed\n"); |
| 7251 | ret = -ENODEV; |
| 7252 | goto register_failed; |
| 7253 | } |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 7254 | s2io_vpd_read(sp); |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 7255 | DBG_PRINT(ERR_DBG, "Copyright(c) 2002-2005 Neterion Inc.\n"); |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 7256 | DBG_PRINT(ERR_DBG, "%s: Neterion %s (rev %d)\n",dev->name, |
| 7257 | sp->product_name, get_xena_rev_id(sp->pdev)); |
| 7258 | DBG_PRINT(ERR_DBG, "%s: Driver version %s\n", dev->name, |
| 7259 | s2io_driver_version); |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 7260 | DBG_PRINT(ERR_DBG, "%s: MAC ADDR: " |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 7261 | "%02x:%02x:%02x:%02x:%02x:%02x", dev->name, |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 7262 | sp->def_mac_addr[0].mac_addr[0], |
| 7263 | sp->def_mac_addr[0].mac_addr[1], |
| 7264 | sp->def_mac_addr[0].mac_addr[2], |
| 7265 | sp->def_mac_addr[0].mac_addr[3], |
| 7266 | sp->def_mac_addr[0].mac_addr[4], |
| 7267 | sp->def_mac_addr[0].mac_addr[5]); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 7268 | DBG_PRINT(ERR_DBG, "SERIAL NUMBER: %s\n", sp->serial_num); |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 7269 | if (sp->device_type & XFRAME_II_DEVICE) { |
raghavendra.koushik@neterion.com | 0b1f7eb | 2005-08-03 12:39:56 -0700 | [diff] [blame] | 7270 | mode = s2io_print_pci_mode(sp); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 7271 | if (mode < 0) { |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 7272 | DBG_PRINT(ERR_DBG, " Unsupported PCI bus mode\n"); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 7273 | ret = -EBADSLT; |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 7274 | unregister_netdev(dev); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 7275 | goto set_swap_failed; |
| 7276 | } |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 7277 | } |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 7278 | switch(sp->rxd_mode) { |
| 7279 | case RXD_MODE_1: |
| 7280 | DBG_PRINT(ERR_DBG, "%s: 1-Buffer receive mode enabled\n", |
| 7281 | dev->name); |
| 7282 | break; |
| 7283 | case RXD_MODE_3B: |
| 7284 | DBG_PRINT(ERR_DBG, "%s: 2-Buffer receive mode enabled\n", |
| 7285 | dev->name); |
| 7286 | break; |
| 7287 | case RXD_MODE_3A: |
| 7288 | DBG_PRINT(ERR_DBG, "%s: 3-Buffer receive mode enabled\n", |
| 7289 | dev->name); |
| 7290 | break; |
| 7291 | } |
Sivakumar Subramani | db874e6 | 2007-01-31 13:28:08 -0500 | [diff] [blame] | 7292 | |
| 7293 | if (napi) |
| 7294 | DBG_PRINT(ERR_DBG, "%s: NAPI enabled\n", dev->name); |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 7295 | switch(sp->intr_type) { |
| 7296 | case INTA: |
| 7297 | DBG_PRINT(ERR_DBG, "%s: Interrupt type INTA\n", dev->name); |
| 7298 | break; |
| 7299 | case MSI: |
| 7300 | DBG_PRINT(ERR_DBG, "%s: Interrupt type MSI\n", dev->name); |
| 7301 | break; |
| 7302 | case MSI_X: |
| 7303 | DBG_PRINT(ERR_DBG, "%s: Interrupt type MSI-X\n", dev->name); |
| 7304 | break; |
| 7305 | } |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 7306 | if (sp->lro) |
| 7307 | DBG_PRINT(ERR_DBG, "%s: Large receive offload enabled\n", |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 7308 | dev->name); |
Sivakumar Subramani | db874e6 | 2007-01-31 13:28:08 -0500 | [diff] [blame] | 7309 | if (ufo) |
| 7310 | DBG_PRINT(ERR_DBG, "%s: UDP Fragmentation Offload(UFO)" |
| 7311 | " enabled\n", dev->name); |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 7312 | /* Initialize device name */ |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 7313 | 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] | 7314 | |
raghavendra.koushik@neterion.com | b6e3f98 | 2005-08-03 12:38:01 -0700 | [diff] [blame] | 7315 | /* Initialize bimodal Interrupts */ |
| 7316 | sp->config.bimodal = bimodal; |
| 7317 | if (!(sp->device_type & XFRAME_II_DEVICE) && bimodal) { |
| 7318 | sp->config.bimodal = 0; |
| 7319 | DBG_PRINT(ERR_DBG,"%s:Bimodal intr not supported by Xframe I\n", |
| 7320 | dev->name); |
| 7321 | } |
| 7322 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7323 | /* |
| 7324 | * Make Link state as off at this point, when the Link change |
| 7325 | * interrupt comes the state will be automatically changed to |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7326 | * the right state. |
| 7327 | */ |
| 7328 | netif_carrier_off(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7329 | |
| 7330 | return 0; |
| 7331 | |
| 7332 | register_failed: |
| 7333 | set_swap_failed: |
| 7334 | iounmap(sp->bar1); |
| 7335 | bar1_remap_failed: |
| 7336 | iounmap(sp->bar0); |
| 7337 | bar0_remap_failed: |
| 7338 | mem_alloc_failed: |
| 7339 | free_shared_mem(sp); |
| 7340 | pci_disable_device(pdev); |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 7341 | if (dev_intr_type != MSI_X) |
| 7342 | pci_release_regions(pdev); |
| 7343 | else { |
| 7344 | release_mem_region(pci_resource_start(pdev, 0), |
| 7345 | pci_resource_len(pdev, 0)); |
| 7346 | release_mem_region(pci_resource_start(pdev, 2), |
| 7347 | pci_resource_len(pdev, 2)); |
| 7348 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7349 | pci_set_drvdata(pdev, NULL); |
| 7350 | free_netdev(dev); |
| 7351 | |
| 7352 | return ret; |
| 7353 | } |
| 7354 | |
| 7355 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7356 | * s2io_rem_nic - Free the PCI device |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7357 | * @pdev: structure containing the PCI related information of the device. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7358 | * Description: This function is called by the Pci subsystem to release a |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7359 | * 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] | 7360 | * 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] | 7361 | * from memory. |
| 7362 | */ |
| 7363 | |
| 7364 | static void __devexit s2io_rem_nic(struct pci_dev *pdev) |
| 7365 | { |
| 7366 | struct net_device *dev = |
| 7367 | (struct net_device *) pci_get_drvdata(pdev); |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 7368 | struct s2io_nic *sp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7369 | |
| 7370 | if (dev == NULL) { |
| 7371 | DBG_PRINT(ERR_DBG, "Driver Data is NULL!!\n"); |
| 7372 | return; |
| 7373 | } |
| 7374 | |
Francois Romieu | 22747d6 | 2007-02-15 23:37:50 +0100 | [diff] [blame] | 7375 | flush_scheduled_work(); |
| 7376 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7377 | sp = dev->priv; |
| 7378 | unregister_netdev(dev); |
| 7379 | |
| 7380 | free_shared_mem(sp); |
| 7381 | iounmap(sp->bar0); |
| 7382 | iounmap(sp->bar1); |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 7383 | if (sp->intr_type != MSI_X) |
| 7384 | pci_release_regions(pdev); |
| 7385 | else { |
| 7386 | release_mem_region(pci_resource_start(pdev, 0), |
| 7387 | pci_resource_len(pdev, 0)); |
| 7388 | release_mem_region(pci_resource_start(pdev, 2), |
| 7389 | pci_resource_len(pdev, 2)); |
| 7390 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7391 | pci_set_drvdata(pdev, NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7392 | free_netdev(dev); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 7393 | pci_disable_device(pdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7394 | } |
| 7395 | |
| 7396 | /** |
| 7397 | * s2io_starter - Entry point for the driver |
| 7398 | * Description: This function is the entry point for the driver. It verifies |
| 7399 | * the module loadable parameters and initializes PCI configuration space. |
| 7400 | */ |
| 7401 | |
| 7402 | int __init s2io_starter(void) |
| 7403 | { |
Jeff Garzik | 2991762 | 2006-08-19 17:48:59 -0400 | [diff] [blame] | 7404 | return pci_register_driver(&s2io_driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7405 | } |
| 7406 | |
| 7407 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7408 | * s2io_closer - Cleanup routine for the driver |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7409 | * Description: This function is the cleanup routine for the driver. It unregist * ers the driver. |
| 7410 | */ |
| 7411 | |
Sivakumar Subramani | 372cc59 | 2007-01-31 13:32:57 -0500 | [diff] [blame] | 7412 | static __exit void s2io_closer(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7413 | { |
| 7414 | pci_unregister_driver(&s2io_driver); |
| 7415 | DBG_PRINT(INIT_DBG, "cleanup done\n"); |
| 7416 | } |
| 7417 | |
| 7418 | module_init(s2io_starter); |
| 7419 | module_exit(s2io_closer); |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 7420 | |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 7421 | static int check_L2_lro_capable(u8 *buffer, struct iphdr **ip, |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 7422 | struct tcphdr **tcp, struct RxD_t *rxdp) |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 7423 | { |
| 7424 | int ip_off; |
| 7425 | u8 l2_type = (u8)((rxdp->Control_1 >> 37) & 0x7), ip_len; |
| 7426 | |
| 7427 | if (!(rxdp->Control_1 & RXD_FRAME_PROTO_TCP)) { |
| 7428 | DBG_PRINT(INIT_DBG,"%s: Non-TCP frames not supported for LRO\n", |
| 7429 | __FUNCTION__); |
| 7430 | return -1; |
| 7431 | } |
| 7432 | |
| 7433 | /* TODO: |
| 7434 | * By default the VLAN field in the MAC is stripped by the card, if this |
| 7435 | * feature is turned off in rx_pa_cfg register, then the ip_off field |
| 7436 | * has to be shifted by a further 2 bytes |
| 7437 | */ |
| 7438 | switch (l2_type) { |
| 7439 | case 0: /* DIX type */ |
| 7440 | case 4: /* DIX type with VLAN */ |
| 7441 | ip_off = HEADER_ETHERNET_II_802_3_SIZE; |
| 7442 | break; |
| 7443 | /* LLC, SNAP etc are considered non-mergeable */ |
| 7444 | default: |
| 7445 | return -1; |
| 7446 | } |
| 7447 | |
| 7448 | *ip = (struct iphdr *)((u8 *)buffer + ip_off); |
| 7449 | ip_len = (u8)((*ip)->ihl); |
| 7450 | ip_len <<= 2; |
| 7451 | *tcp = (struct tcphdr *)((unsigned long)*ip + ip_len); |
| 7452 | |
| 7453 | return 0; |
| 7454 | } |
| 7455 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 7456 | static int check_for_socket_match(struct lro *lro, struct iphdr *ip, |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 7457 | struct tcphdr *tcp) |
| 7458 | { |
| 7459 | DBG_PRINT(INFO_DBG,"%s: Been here...\n", __FUNCTION__); |
| 7460 | if ((lro->iph->saddr != ip->saddr) || (lro->iph->daddr != ip->daddr) || |
| 7461 | (lro->tcph->source != tcp->source) || (lro->tcph->dest != tcp->dest)) |
| 7462 | return -1; |
| 7463 | return 0; |
| 7464 | } |
| 7465 | |
| 7466 | static inline int get_l4_pyld_length(struct iphdr *ip, struct tcphdr *tcp) |
| 7467 | { |
| 7468 | return(ntohs(ip->tot_len) - (ip->ihl << 2) - (tcp->doff << 2)); |
| 7469 | } |
| 7470 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 7471 | static void initiate_new_session(struct lro *lro, u8 *l2h, |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 7472 | struct iphdr *ip, struct tcphdr *tcp, u32 tcp_pyld_len) |
| 7473 | { |
| 7474 | DBG_PRINT(INFO_DBG,"%s: Been here...\n", __FUNCTION__); |
| 7475 | lro->l2h = l2h; |
| 7476 | lro->iph = ip; |
| 7477 | lro->tcph = tcp; |
| 7478 | lro->tcp_next_seq = tcp_pyld_len + ntohl(tcp->seq); |
| 7479 | lro->tcp_ack = ntohl(tcp->ack_seq); |
| 7480 | lro->sg_num = 1; |
| 7481 | lro->total_len = ntohs(ip->tot_len); |
| 7482 | lro->frags_len = 0; |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 7483 | /* |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 7484 | * check if we saw TCP timestamp. Other consistency checks have |
| 7485 | * already been done. |
| 7486 | */ |
| 7487 | if (tcp->doff == 8) { |
| 7488 | u32 *ptr; |
| 7489 | ptr = (u32 *)(tcp+1); |
| 7490 | lro->saw_ts = 1; |
| 7491 | lro->cur_tsval = *(ptr+1); |
| 7492 | lro->cur_tsecr = *(ptr+2); |
| 7493 | } |
| 7494 | lro->in_use = 1; |
| 7495 | } |
| 7496 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 7497 | static void update_L3L4_header(struct s2io_nic *sp, struct lro *lro) |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 7498 | { |
| 7499 | struct iphdr *ip = lro->iph; |
| 7500 | struct tcphdr *tcp = lro->tcph; |
Al Viro | bd4f3ae | 2007-02-09 16:40:15 +0000 | [diff] [blame] | 7501 | __sum16 nchk; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 7502 | struct stat_block *statinfo = sp->mac_control.stats_info; |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 7503 | DBG_PRINT(INFO_DBG,"%s: Been here...\n", __FUNCTION__); |
| 7504 | |
| 7505 | /* Update L3 header */ |
| 7506 | ip->tot_len = htons(lro->total_len); |
| 7507 | ip->check = 0; |
| 7508 | nchk = ip_fast_csum((u8 *)lro->iph, ip->ihl); |
| 7509 | ip->check = nchk; |
| 7510 | |
| 7511 | /* Update L4 header */ |
| 7512 | tcp->ack_seq = lro->tcp_ack; |
| 7513 | tcp->window = lro->window; |
| 7514 | |
| 7515 | /* Update tsecr field if this session has timestamps enabled */ |
| 7516 | if (lro->saw_ts) { |
| 7517 | u32 *ptr = (u32 *)(tcp + 1); |
| 7518 | *(ptr+2) = lro->cur_tsecr; |
| 7519 | } |
| 7520 | |
| 7521 | /* Update counters required for calculation of |
| 7522 | * average no. of packets aggregated. |
| 7523 | */ |
| 7524 | statinfo->sw_stat.sum_avg_pkts_aggregated += lro->sg_num; |
| 7525 | statinfo->sw_stat.num_aggregations++; |
| 7526 | } |
| 7527 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 7528 | static void aggregate_new_rx(struct lro *lro, struct iphdr *ip, |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 7529 | struct tcphdr *tcp, u32 l4_pyld) |
| 7530 | { |
| 7531 | DBG_PRINT(INFO_DBG,"%s: Been here...\n", __FUNCTION__); |
| 7532 | lro->total_len += l4_pyld; |
| 7533 | lro->frags_len += l4_pyld; |
| 7534 | lro->tcp_next_seq += l4_pyld; |
| 7535 | lro->sg_num++; |
| 7536 | |
| 7537 | /* Update ack seq no. and window ad(from this pkt) in LRO object */ |
| 7538 | lro->tcp_ack = tcp->ack_seq; |
| 7539 | lro->window = tcp->window; |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 7540 | |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 7541 | if (lro->saw_ts) { |
| 7542 | u32 *ptr; |
| 7543 | /* Update tsecr and tsval from this packet */ |
| 7544 | ptr = (u32 *) (tcp + 1); |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 7545 | lro->cur_tsval = *(ptr + 1); |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 7546 | lro->cur_tsecr = *(ptr + 2); |
| 7547 | } |
| 7548 | } |
| 7549 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 7550 | 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] | 7551 | struct tcphdr *tcp, u32 tcp_pyld_len) |
| 7552 | { |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 7553 | u8 *ptr; |
| 7554 | |
Andrew Morton | 79dc190 | 2006-02-03 01:45:13 -0800 | [diff] [blame] | 7555 | DBG_PRINT(INFO_DBG,"%s: Been here...\n", __FUNCTION__); |
| 7556 | |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 7557 | if (!tcp_pyld_len) { |
| 7558 | /* Runt frame or a pure ack */ |
| 7559 | return -1; |
| 7560 | } |
| 7561 | |
| 7562 | if (ip->ihl != 5) /* IP has options */ |
| 7563 | return -1; |
| 7564 | |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 7565 | /* If we see CE codepoint in IP header, packet is not mergeable */ |
| 7566 | if (INET_ECN_is_ce(ipv4_get_dsfield(ip))) |
| 7567 | return -1; |
| 7568 | |
| 7569 | /* If we see ECE or CWR flags in TCP header, packet is not mergeable */ |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 7570 | if (tcp->urg || tcp->psh || tcp->rst || tcp->syn || tcp->fin || |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 7571 | tcp->ece || tcp->cwr || !tcp->ack) { |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 7572 | /* |
| 7573 | * Currently recognize only the ack control word and |
| 7574 | * any other control field being set would result in |
| 7575 | * flushing the LRO session |
| 7576 | */ |
| 7577 | return -1; |
| 7578 | } |
| 7579 | |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 7580 | /* |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 7581 | * Allow only one TCP timestamp option. Don't aggregate if |
| 7582 | * any other options are detected. |
| 7583 | */ |
| 7584 | if (tcp->doff != 5 && tcp->doff != 8) |
| 7585 | return -1; |
| 7586 | |
| 7587 | if (tcp->doff == 8) { |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 7588 | ptr = (u8 *)(tcp + 1); |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 7589 | while (*ptr == TCPOPT_NOP) |
| 7590 | ptr++; |
| 7591 | if (*ptr != TCPOPT_TIMESTAMP || *(ptr+1) != TCPOLEN_TIMESTAMP) |
| 7592 | return -1; |
| 7593 | |
| 7594 | /* Ensure timestamp value increases monotonically */ |
| 7595 | if (l_lro) |
| 7596 | if (l_lro->cur_tsval > *((u32 *)(ptr+2))) |
| 7597 | return -1; |
| 7598 | |
| 7599 | /* timestamp echo reply should be non-zero */ |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 7600 | if (*((u32 *)(ptr+6)) == 0) |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 7601 | return -1; |
| 7602 | } |
| 7603 | |
| 7604 | return 0; |
| 7605 | } |
| 7606 | |
| 7607 | static int |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 7608 | s2io_club_tcp_session(u8 *buffer, u8 **tcp, u32 *tcp_len, struct lro **lro, |
| 7609 | struct RxD_t *rxdp, struct s2io_nic *sp) |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 7610 | { |
| 7611 | struct iphdr *ip; |
| 7612 | struct tcphdr *tcph; |
| 7613 | int ret = 0, i; |
| 7614 | |
| 7615 | if (!(ret = check_L2_lro_capable(buffer, &ip, (struct tcphdr **)tcp, |
| 7616 | rxdp))) { |
| 7617 | DBG_PRINT(INFO_DBG,"IP Saddr: %x Daddr: %x\n", |
| 7618 | ip->saddr, ip->daddr); |
| 7619 | } else { |
| 7620 | return ret; |
| 7621 | } |
| 7622 | |
| 7623 | tcph = (struct tcphdr *)*tcp; |
| 7624 | *tcp_len = get_l4_pyld_length(ip, tcph); |
| 7625 | for (i=0; i<MAX_LRO_SESSIONS; i++) { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 7626 | struct lro *l_lro = &sp->lro0_n[i]; |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 7627 | if (l_lro->in_use) { |
| 7628 | if (check_for_socket_match(l_lro, ip, tcph)) |
| 7629 | continue; |
| 7630 | /* Sock pair matched */ |
| 7631 | *lro = l_lro; |
| 7632 | |
| 7633 | if ((*lro)->tcp_next_seq != ntohl(tcph->seq)) { |
| 7634 | DBG_PRINT(INFO_DBG, "%s:Out of order. expected " |
| 7635 | "0x%x, actual 0x%x\n", __FUNCTION__, |
| 7636 | (*lro)->tcp_next_seq, |
| 7637 | ntohl(tcph->seq)); |
| 7638 | |
| 7639 | sp->mac_control.stats_info-> |
| 7640 | sw_stat.outof_sequence_pkts++; |
| 7641 | ret = 2; |
| 7642 | break; |
| 7643 | } |
| 7644 | |
| 7645 | if (!verify_l3_l4_lro_capable(l_lro, ip, tcph,*tcp_len)) |
| 7646 | ret = 1; /* Aggregate */ |
| 7647 | else |
| 7648 | ret = 2; /* Flush both */ |
| 7649 | break; |
| 7650 | } |
| 7651 | } |
| 7652 | |
| 7653 | if (ret == 0) { |
| 7654 | /* Before searching for available LRO objects, |
| 7655 | * check if the pkt is L3/L4 aggregatable. If not |
| 7656 | * don't create new LRO session. Just send this |
| 7657 | * packet up. |
| 7658 | */ |
| 7659 | if (verify_l3_l4_lro_capable(NULL, ip, tcph, *tcp_len)) { |
| 7660 | return 5; |
| 7661 | } |
| 7662 | |
| 7663 | for (i=0; i<MAX_LRO_SESSIONS; i++) { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 7664 | struct lro *l_lro = &sp->lro0_n[i]; |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 7665 | if (!(l_lro->in_use)) { |
| 7666 | *lro = l_lro; |
| 7667 | ret = 3; /* Begin anew */ |
| 7668 | break; |
| 7669 | } |
| 7670 | } |
| 7671 | } |
| 7672 | |
| 7673 | if (ret == 0) { /* sessions exceeded */ |
| 7674 | DBG_PRINT(INFO_DBG,"%s:All LRO sessions already in use\n", |
| 7675 | __FUNCTION__); |
| 7676 | *lro = NULL; |
| 7677 | return ret; |
| 7678 | } |
| 7679 | |
| 7680 | switch (ret) { |
| 7681 | case 3: |
| 7682 | initiate_new_session(*lro, buffer, ip, tcph, *tcp_len); |
| 7683 | break; |
| 7684 | case 2: |
| 7685 | update_L3L4_header(sp, *lro); |
| 7686 | break; |
| 7687 | case 1: |
| 7688 | aggregate_new_rx(*lro, ip, tcph, *tcp_len); |
| 7689 | if ((*lro)->sg_num == sp->lro_max_aggr_per_sess) { |
| 7690 | update_L3L4_header(sp, *lro); |
| 7691 | ret = 4; /* Flush the LRO */ |
| 7692 | } |
| 7693 | break; |
| 7694 | default: |
| 7695 | DBG_PRINT(ERR_DBG,"%s:Dont know, can't say!!\n", |
| 7696 | __FUNCTION__); |
| 7697 | break; |
| 7698 | } |
| 7699 | |
| 7700 | return ret; |
| 7701 | } |
| 7702 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 7703 | static void clear_lro_session(struct lro *lro) |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 7704 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 7705 | static u16 lro_struct_size = sizeof(struct lro); |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 7706 | |
| 7707 | memset(lro, 0, lro_struct_size); |
| 7708 | } |
| 7709 | |
| 7710 | static void queue_rx_frame(struct sk_buff *skb) |
| 7711 | { |
| 7712 | struct net_device *dev = skb->dev; |
| 7713 | |
| 7714 | skb->protocol = eth_type_trans(skb, dev); |
Sivakumar Subramani | db874e6 | 2007-01-31 13:28:08 -0500 | [diff] [blame] | 7715 | if (napi) |
| 7716 | netif_receive_skb(skb); |
| 7717 | else |
| 7718 | netif_rx(skb); |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 7719 | } |
| 7720 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 7721 | static void lro_append_pkt(struct s2io_nic *sp, struct lro *lro, |
| 7722 | struct sk_buff *skb, |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 7723 | u32 tcp_len) |
| 7724 | { |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 7725 | struct sk_buff *first = lro->parent; |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 7726 | |
| 7727 | first->len += tcp_len; |
| 7728 | first->data_len = lro->frags_len; |
| 7729 | skb_pull(skb, (skb->len - tcp_len)); |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 7730 | if (skb_shinfo(first)->frag_list) |
| 7731 | lro->last_frag->next = skb; |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 7732 | else |
| 7733 | skb_shinfo(first)->frag_list = skb; |
Sivakumar Subramani | 372cc59 | 2007-01-31 13:32:57 -0500 | [diff] [blame] | 7734 | first->truesize += skb->truesize; |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 7735 | lro->last_frag = skb; |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 7736 | sp->mac_control.stats_info->sw_stat.clubbed_frms_cnt++; |
| 7737 | return; |
| 7738 | } |