Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1 | /* |
| 2 | * New driver for Marvell Yukon 2 chipset. |
| 3 | * Based on earlier sk98lin, and skge driver. |
| 4 | * |
| 5 | * This driver intentionally does not support all the features |
| 6 | * of the original driver such as link fail-over and link management because |
| 7 | * those should be done at higher levels. |
| 8 | * |
| 9 | * Copyright (C) 2005 Stephen Hemminger <shemminger@osdl.org> |
| 10 | * |
| 11 | * This program is free software; you can redistribute it and/or modify |
| 12 | * it under the terms of the GNU General Public License as published by |
Stephen Hemminger | 798b6b1 | 2006-10-22 20:16:57 -0700 | [diff] [blame] | 13 | * the Free Software Foundation; either version 2 of the License. |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 14 | * |
| 15 | * This program is distributed in the hope that it will be useful, |
| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 18 | * GNU General Public License for more details. |
| 19 | * |
| 20 | * You should have received a copy of the GNU General Public License |
| 21 | * along with this program; if not, write to the Free Software |
| 22 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 23 | */ |
| 24 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 25 | #include <linux/crc32.h> |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 26 | #include <linux/kernel.h> |
| 27 | #include <linux/version.h> |
| 28 | #include <linux/module.h> |
| 29 | #include <linux/netdevice.h> |
Andrew Morton | d0bbccf | 2005-11-10 15:29:27 -0800 | [diff] [blame] | 30 | #include <linux/dma-mapping.h> |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 31 | #include <linux/etherdevice.h> |
| 32 | #include <linux/ethtool.h> |
| 33 | #include <linux/pci.h> |
Stephen Hemminger | 555382c | 2007-08-29 12:58:14 -0700 | [diff] [blame] | 34 | #include <linux/aer.h> |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 35 | #include <linux/ip.h> |
Arnaldo Carvalho de Melo | c9bdd4b | 2007-03-12 20:09:15 -0300 | [diff] [blame] | 36 | #include <net/ip.h> |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 37 | #include <linux/tcp.h> |
| 38 | #include <linux/in.h> |
| 39 | #include <linux/delay.h> |
Stephen Hemminger | 91c86df | 2005-12-09 11:34:57 -0800 | [diff] [blame] | 40 | #include <linux/workqueue.h> |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 41 | #include <linux/if_vlan.h> |
Stephen Hemminger | d70cd51 | 2005-12-09 11:35:09 -0800 | [diff] [blame] | 42 | #include <linux/prefetch.h> |
Stephen Hemminger | 3cf2675 | 2007-07-09 15:33:35 -0700 | [diff] [blame] | 43 | #include <linux/debugfs.h> |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 44 | #include <linux/mii.h> |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 45 | |
| 46 | #include <asm/irq.h> |
| 47 | |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 48 | #if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE) |
| 49 | #define SKY2_VLAN_TAG_USED 1 |
| 50 | #endif |
| 51 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 52 | #include "sky2.h" |
| 53 | |
| 54 | #define DRV_NAME "sky2" |
Stephen Hemminger | a7b850e | 2007-10-11 19:48:40 -0700 | [diff] [blame] | 55 | #define DRV_VERSION "1.19" |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 56 | #define PFX DRV_NAME " " |
| 57 | |
| 58 | /* |
| 59 | * The Yukon II chipset takes 64 bit command blocks (called list elements) |
| 60 | * that are organized into three (receive, transmit, status) different rings |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 61 | * similar to Tigon3. |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 62 | */ |
| 63 | |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 64 | #define RX_LE_SIZE 1024 |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 65 | #define RX_LE_BYTES (RX_LE_SIZE*sizeof(struct sky2_rx_le)) |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 66 | #define RX_MAX_PENDING (RX_LE_SIZE/6 - 2) |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 67 | #define RX_DEF_PENDING RX_MAX_PENDING |
Stephen Hemminger | 82788c7 | 2006-01-17 13:43:10 -0800 | [diff] [blame] | 68 | #define RX_SKB_ALIGN 8 |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 69 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 70 | #define TX_RING_SIZE 512 |
| 71 | #define TX_DEF_PENDING (TX_RING_SIZE - 1) |
| 72 | #define TX_MIN_PENDING 64 |
Stephen Hemminger | b19666d | 2006-03-07 11:06:36 -0800 | [diff] [blame] | 73 | #define MAX_SKB_TX_LE (4 + (sizeof(dma_addr_t)/sizeof(u32))*MAX_SKB_FRAGS) |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 74 | |
| 75 | #define STATUS_RING_SIZE 2048 /* 2 ports * (TX + 2*RX) */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 76 | #define STATUS_LE_BYTES (STATUS_RING_SIZE*sizeof(struct sky2_status_le)) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 77 | #define TX_WATCHDOG (5 * HZ) |
| 78 | #define NAPI_WEIGHT 64 |
| 79 | #define PHY_RETRIES 1000 |
| 80 | |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 81 | #define SKY2_EEPROM_MAGIC 0x9955aabb |
| 82 | |
| 83 | |
Stephen Hemminger | cb5d954 | 2006-05-08 15:11:29 -0700 | [diff] [blame] | 84 | #define RING_NEXT(x,s) (((x)+1) & ((s)-1)) |
| 85 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 86 | static const u32 default_msg = |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 87 | NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK |
| 88 | | NETIF_MSG_TIMER | NETIF_MSG_TX_ERR | NETIF_MSG_RX_ERR |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 89 | | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 90 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 91 | static int debug = -1; /* defaults above */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 92 | module_param(debug, int, 0); |
| 93 | MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)"); |
| 94 | |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 95 | static int copybreak __read_mostly = 128; |
Stephen Hemminger | bdb5c58 | 2005-12-09 11:34:55 -0800 | [diff] [blame] | 96 | module_param(copybreak, int, 0); |
| 97 | MODULE_PARM_DESC(copybreak, "Receive copy threshold"); |
| 98 | |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 99 | static int disable_msi = 0; |
| 100 | module_param(disable_msi, int, 0); |
| 101 | MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)"); |
| 102 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 103 | static const struct pci_device_id sky2_id_table[] = { |
Stephen Hemminger | e5b74c7 | 2006-12-04 15:53:36 -0800 | [diff] [blame] | 104 | { PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9000) }, /* SK-9Sxx */ |
| 105 | { PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9E00) }, /* SK-9Exx */ |
Stephen Hemminger | 2d2a387 | 2006-05-17 14:37:04 -0700 | [diff] [blame] | 106 | { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4b00) }, /* DGE-560T */ |
Stephen Hemminger | 2f4a66a | 2006-09-01 14:52:04 -0700 | [diff] [blame] | 107 | { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4001) }, /* DGE-550SX */ |
Stephen Hemminger | 508f89e | 2006-12-01 14:29:34 -0800 | [diff] [blame] | 108 | { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4B02) }, /* DGE-560SX */ |
Stephen Hemminger | f1a0b6f | 2007-02-06 10:45:44 -0800 | [diff] [blame] | 109 | { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4B03) }, /* DGE-550T */ |
Stephen Hemminger | e5b74c7 | 2006-12-04 15:53:36 -0800 | [diff] [blame] | 110 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4340) }, /* 88E8021 */ |
| 111 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4341) }, /* 88E8022 */ |
| 112 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4342) }, /* 88E8061 */ |
| 113 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4343) }, /* 88E8062 */ |
| 114 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4344) }, /* 88E8021 */ |
| 115 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4345) }, /* 88E8022 */ |
| 116 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4346) }, /* 88E8061 */ |
| 117 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4347) }, /* 88E8062 */ |
| 118 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4350) }, /* 88E8035 */ |
| 119 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4351) }, /* 88E8036 */ |
| 120 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4352) }, /* 88E8038 */ |
| 121 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4353) }, /* 88E8039 */ |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 122 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4354) }, /* 88E8040 */ |
Stephen Hemminger | e5b74c7 | 2006-12-04 15:53:36 -0800 | [diff] [blame] | 123 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4356) }, /* 88EC033 */ |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 124 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x435A) }, /* 88E8048 */ |
Stephen Hemminger | e5b74c7 | 2006-12-04 15:53:36 -0800 | [diff] [blame] | 125 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4360) }, /* 88E8052 */ |
| 126 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4361) }, /* 88E8050 */ |
| 127 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4362) }, /* 88E8053 */ |
| 128 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4363) }, /* 88E8055 */ |
| 129 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4364) }, /* 88E8056 */ |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 130 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4365) }, /* 88E8070 */ |
Stephen Hemminger | e5b74c7 | 2006-12-04 15:53:36 -0800 | [diff] [blame] | 131 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4366) }, /* 88EC036 */ |
| 132 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4367) }, /* 88EC032 */ |
| 133 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4368) }, /* 88EC034 */ |
Stephen Hemminger | f1a0b6f | 2007-02-06 10:45:44 -0800 | [diff] [blame] | 134 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4369) }, /* 88EC042 */ |
| 135 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x436A) }, /* 88E8058 */ |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 136 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x436B) }, /* 88E8071 */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 137 | { 0 } |
| 138 | }; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 139 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 140 | MODULE_DEVICE_TABLE(pci, sky2_id_table); |
| 141 | |
| 142 | /* Avoid conditionals by using array */ |
| 143 | static const unsigned txqaddr[] = { Q_XA1, Q_XA2 }; |
| 144 | static const unsigned rxqaddr[] = { Q_R1, Q_R2 }; |
Stephen Hemminger | f4ea431 | 2006-05-09 14:46:54 -0700 | [diff] [blame] | 145 | static const u32 portirq_msk[] = { Y2_IS_PORT_1, Y2_IS_PORT_2 }; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 146 | |
Stephen Hemminger | 92f965e | 2005-12-09 11:34:53 -0800 | [diff] [blame] | 147 | /* This driver supports yukon2 chipset only */ |
| 148 | static const char *yukon2_name[] = { |
| 149 | "XL", /* 0xb3 */ |
| 150 | "EC Ultra", /* 0xb4 */ |
Stephen Hemminger | 9374549 | 2007-02-06 10:45:43 -0800 | [diff] [blame] | 151 | "Extreme", /* 0xb5 */ |
Stephen Hemminger | 92f965e | 2005-12-09 11:34:53 -0800 | [diff] [blame] | 152 | "EC", /* 0xb6 */ |
| 153 | "FE", /* 0xb7 */ |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 154 | "FE+", /* 0xb8 */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 155 | }; |
| 156 | |
Stephen Hemminger | d1b139c | 2007-09-05 16:56:19 +0100 | [diff] [blame] | 157 | static void sky2_set_multicast(struct net_device *dev); |
| 158 | |
Stephen Hemminger | af043aa | 2007-11-05 15:52:10 -0800 | [diff] [blame^] | 159 | /* Access to PHY via serial interconnect */ |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 160 | static int gm_phy_write(struct sky2_hw *hw, unsigned port, u16 reg, u16 val) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 161 | { |
| 162 | int i; |
| 163 | |
| 164 | gma_write16(hw, port, GM_SMI_DATA, val); |
| 165 | gma_write16(hw, port, GM_SMI_CTRL, |
| 166 | GM_SMI_CT_PHY_AD(PHY_ADDR_MARV) | GM_SMI_CT_REG_AD(reg)); |
| 167 | |
| 168 | for (i = 0; i < PHY_RETRIES; i++) { |
Stephen Hemminger | af043aa | 2007-11-05 15:52:10 -0800 | [diff] [blame^] | 169 | u16 ctrl = gma_read16(hw, port, GM_SMI_CTRL); |
| 170 | if (ctrl == 0xffff) |
| 171 | goto io_error; |
| 172 | |
| 173 | if (!(ctrl & GM_SMI_CT_BUSY)) |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 174 | return 0; |
Stephen Hemminger | af043aa | 2007-11-05 15:52:10 -0800 | [diff] [blame^] | 175 | |
| 176 | udelay(10); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 177 | } |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 178 | |
Stephen Hemminger | af043aa | 2007-11-05 15:52:10 -0800 | [diff] [blame^] | 179 | dev_warn(&hw->pdev->dev,"%s: phy write timeout\n", hw->dev[port]->name); |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 180 | return -ETIMEDOUT; |
Stephen Hemminger | af043aa | 2007-11-05 15:52:10 -0800 | [diff] [blame^] | 181 | |
| 182 | io_error: |
| 183 | dev_err(&hw->pdev->dev, "%s: phy I/O error\n", hw->dev[port]->name); |
| 184 | return -EIO; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 185 | } |
| 186 | |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 187 | static int __gm_phy_read(struct sky2_hw *hw, unsigned port, u16 reg, u16 *val) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 188 | { |
| 189 | int i; |
| 190 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 191 | gma_write16(hw, port, GM_SMI_CTRL, GM_SMI_CT_PHY_AD(PHY_ADDR_MARV) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 192 | | GM_SMI_CT_REG_AD(reg) | GM_SMI_CT_OP_RD); |
| 193 | |
| 194 | for (i = 0; i < PHY_RETRIES; i++) { |
Stephen Hemminger | af043aa | 2007-11-05 15:52:10 -0800 | [diff] [blame^] | 195 | u16 ctrl = gma_read16(hw, port, GM_SMI_CTRL); |
| 196 | if (ctrl == 0xffff) |
| 197 | goto io_error; |
| 198 | |
| 199 | if (ctrl & GM_SMI_CT_RD_VAL) { |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 200 | *val = gma_read16(hw, port, GM_SMI_DATA); |
| 201 | return 0; |
| 202 | } |
| 203 | |
Stephen Hemminger | af043aa | 2007-11-05 15:52:10 -0800 | [diff] [blame^] | 204 | udelay(10); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 205 | } |
| 206 | |
Stephen Hemminger | af043aa | 2007-11-05 15:52:10 -0800 | [diff] [blame^] | 207 | dev_warn(&hw->pdev->dev, "%s: phy read timeout\n", hw->dev[port]->name); |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 208 | return -ETIMEDOUT; |
Stephen Hemminger | af043aa | 2007-11-05 15:52:10 -0800 | [diff] [blame^] | 209 | io_error: |
| 210 | dev_err(&hw->pdev->dev, "%s: phy I/O error\n", hw->dev[port]->name); |
| 211 | return -EIO; |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 212 | } |
| 213 | |
Stephen Hemminger | af043aa | 2007-11-05 15:52:10 -0800 | [diff] [blame^] | 214 | static inline u16 gm_phy_read(struct sky2_hw *hw, unsigned port, u16 reg) |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 215 | { |
| 216 | u16 v; |
Stephen Hemminger | af043aa | 2007-11-05 15:52:10 -0800 | [diff] [blame^] | 217 | __gm_phy_read(hw, port, reg, &v); |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 218 | return v; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 219 | } |
| 220 | |
Stephen Hemminger | ae306cc | 2006-12-20 13:06:36 -0800 | [diff] [blame] | 221 | |
| 222 | static void sky2_power_on(struct sky2_hw *hw) |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 223 | { |
Stephen Hemminger | ae306cc | 2006-12-20 13:06:36 -0800 | [diff] [blame] | 224 | /* switch power to VCC (WA for VAUX problem) */ |
| 225 | sky2_write8(hw, B0_POWER_CTRL, |
| 226 | PC_VAUX_ENA | PC_VCC_ENA | PC_VAUX_OFF | PC_VCC_ON); |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 227 | |
Stephen Hemminger | ae306cc | 2006-12-20 13:06:36 -0800 | [diff] [blame] | 228 | /* disable Core Clock Division, */ |
| 229 | sky2_write32(hw, B2_Y2_CLK_CTRL, Y2_CLK_DIV_DIS); |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 230 | |
Stephen Hemminger | ae306cc | 2006-12-20 13:06:36 -0800 | [diff] [blame] | 231 | if (hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev > 1) |
| 232 | /* enable bits are inverted */ |
| 233 | sky2_write8(hw, B2_Y2_CLK_GATE, |
| 234 | Y2_PCI_CLK_LNK1_DIS | Y2_COR_CLK_LNK1_DIS | |
| 235 | Y2_CLK_GAT_LNK1_DIS | Y2_PCI_CLK_LNK2_DIS | |
| 236 | Y2_COR_CLK_LNK2_DIS | Y2_CLK_GAT_LNK2_DIS); |
| 237 | else |
| 238 | sky2_write8(hw, B2_Y2_CLK_GATE, 0); |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 239 | |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 240 | if (hw->flags & SKY2_HW_ADV_POWER_CTL) { |
Stephen Hemminger | 167f53d | 2007-09-25 19:01:02 -0700 | [diff] [blame] | 241 | struct pci_dev *pdev = hw->pdev; |
Stephen Hemminger | fc99fe0 | 2007-06-04 17:23:22 -0700 | [diff] [blame] | 242 | u32 reg; |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 243 | |
Stephen Hemminger | 167f53d | 2007-09-25 19:01:02 -0700 | [diff] [blame] | 244 | pci_write_config_dword(pdev, PCI_DEV_REG3, 0); |
Stephen Hemminger | b234577 | 2007-08-21 14:34:02 -0700 | [diff] [blame] | 245 | |
Stephen Hemminger | 167f53d | 2007-09-25 19:01:02 -0700 | [diff] [blame] | 246 | pci_read_config_dword(pdev, PCI_DEV_REG4, ®); |
Stephen Hemminger | fc99fe0 | 2007-06-04 17:23:22 -0700 | [diff] [blame] | 247 | /* set all bits to 0 except bits 15..12 and 8 */ |
| 248 | reg &= P_ASPM_CONTROL_MSK; |
Stephen Hemminger | 167f53d | 2007-09-25 19:01:02 -0700 | [diff] [blame] | 249 | pci_write_config_dword(pdev, PCI_DEV_REG4, reg); |
Stephen Hemminger | fc99fe0 | 2007-06-04 17:23:22 -0700 | [diff] [blame] | 250 | |
Stephen Hemminger | 167f53d | 2007-09-25 19:01:02 -0700 | [diff] [blame] | 251 | pci_read_config_dword(pdev, PCI_DEV_REG5, ®); |
Stephen Hemminger | fc99fe0 | 2007-06-04 17:23:22 -0700 | [diff] [blame] | 252 | /* set all bits to 0 except bits 28 & 27 */ |
| 253 | reg &= P_CTL_TIM_VMAIN_AV_MSK; |
Stephen Hemminger | 167f53d | 2007-09-25 19:01:02 -0700 | [diff] [blame] | 254 | pci_write_config_dword(pdev, PCI_DEV_REG5, reg); |
Stephen Hemminger | fc99fe0 | 2007-06-04 17:23:22 -0700 | [diff] [blame] | 255 | |
Stephen Hemminger | 167f53d | 2007-09-25 19:01:02 -0700 | [diff] [blame] | 256 | pci_write_config_dword(pdev, PCI_CFG_REG_1, 0); |
Stephen Hemminger | 8f70920 | 2007-06-04 17:23:25 -0700 | [diff] [blame] | 257 | |
| 258 | /* Enable workaround for dev 4.107 on Yukon-Ultra & Extreme */ |
| 259 | reg = sky2_read32(hw, B2_GP_IO); |
| 260 | reg |= GLB_GPIO_STAT_RACE_DIS; |
| 261 | sky2_write32(hw, B2_GP_IO, reg); |
Stephen Hemminger | b234577 | 2007-08-21 14:34:02 -0700 | [diff] [blame] | 262 | |
| 263 | sky2_read32(hw, B2_GP_IO); |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 264 | } |
Stephen Hemminger | ae306cc | 2006-12-20 13:06:36 -0800 | [diff] [blame] | 265 | } |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 266 | |
Stephen Hemminger | ae306cc | 2006-12-20 13:06:36 -0800 | [diff] [blame] | 267 | static void sky2_power_aux(struct sky2_hw *hw) |
| 268 | { |
| 269 | if (hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev > 1) |
| 270 | sky2_write8(hw, B2_Y2_CLK_GATE, 0); |
| 271 | else |
| 272 | /* enable bits are inverted */ |
| 273 | sky2_write8(hw, B2_Y2_CLK_GATE, |
| 274 | Y2_PCI_CLK_LNK1_DIS | Y2_COR_CLK_LNK1_DIS | |
| 275 | Y2_CLK_GAT_LNK1_DIS | Y2_PCI_CLK_LNK2_DIS | |
| 276 | Y2_COR_CLK_LNK2_DIS | Y2_CLK_GAT_LNK2_DIS); |
| 277 | |
| 278 | /* switch power to VAUX */ |
| 279 | if (sky2_read16(hw, B0_CTST) & Y2_VAUX_AVAIL) |
| 280 | sky2_write8(hw, B0_POWER_CTRL, |
| 281 | (PC_VAUX_ENA | PC_VCC_ENA | |
| 282 | PC_VAUX_ON | PC_VCC_OFF)); |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 283 | } |
| 284 | |
shemminger@osdl.org | d3bcfbe | 2006-08-28 10:00:51 -0700 | [diff] [blame] | 285 | static void sky2_gmac_reset(struct sky2_hw *hw, unsigned port) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 286 | { |
| 287 | u16 reg; |
| 288 | |
| 289 | /* disable all GMAC IRQ's */ |
| 290 | sky2_write8(hw, SK_REG(port, GMAC_IRQ_MSK), 0); |
| 291 | /* disable PHY IRQs */ |
| 292 | gm_phy_write(hw, port, PHY_MARV_INT_MASK, 0); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 293 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 294 | gma_write16(hw, port, GM_MC_ADDR_H1, 0); /* clear MC hash */ |
| 295 | gma_write16(hw, port, GM_MC_ADDR_H2, 0); |
| 296 | gma_write16(hw, port, GM_MC_ADDR_H3, 0); |
| 297 | gma_write16(hw, port, GM_MC_ADDR_H4, 0); |
| 298 | |
| 299 | reg = gma_read16(hw, port, GM_RX_CTRL); |
| 300 | reg |= GM_RXCR_UCF_ENA | GM_RXCR_MCF_ENA; |
| 301 | gma_write16(hw, port, GM_RX_CTRL, reg); |
| 302 | } |
| 303 | |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 304 | /* flow control to advertise bits */ |
| 305 | static const u16 copper_fc_adv[] = { |
| 306 | [FC_NONE] = 0, |
| 307 | [FC_TX] = PHY_M_AN_ASP, |
| 308 | [FC_RX] = PHY_M_AN_PC, |
| 309 | [FC_BOTH] = PHY_M_AN_PC | PHY_M_AN_ASP, |
| 310 | }; |
| 311 | |
| 312 | /* flow control to advertise bits when using 1000BaseX */ |
| 313 | static const u16 fiber_fc_adv[] = { |
Stephen Hemminger | df3fe1f | 2007-10-11 19:48:04 -0700 | [diff] [blame] | 314 | [FC_NONE] = PHY_M_P_NO_PAUSE_X, |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 315 | [FC_TX] = PHY_M_P_ASYM_MD_X, |
| 316 | [FC_RX] = PHY_M_P_SYM_MD_X, |
Stephen Hemminger | df3fe1f | 2007-10-11 19:48:04 -0700 | [diff] [blame] | 317 | [FC_BOTH] = PHY_M_P_BOTH_MD_X, |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 318 | }; |
| 319 | |
| 320 | /* flow control to GMA disable bits */ |
| 321 | static const u16 gm_fc_disable[] = { |
| 322 | [FC_NONE] = GM_GPCR_FC_RX_DIS | GM_GPCR_FC_TX_DIS, |
| 323 | [FC_TX] = GM_GPCR_FC_RX_DIS, |
| 324 | [FC_RX] = GM_GPCR_FC_TX_DIS, |
| 325 | [FC_BOTH] = 0, |
| 326 | }; |
| 327 | |
| 328 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 329 | static void sky2_phy_init(struct sky2_hw *hw, unsigned port) |
| 330 | { |
| 331 | struct sky2_port *sky2 = netdev_priv(hw->dev[port]); |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 332 | u16 ctrl, ct1000, adv, pg, ledctrl, ledover, reg; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 333 | |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 334 | if (sky2->autoneg == AUTONEG_ENABLE && |
| 335 | !(hw->flags & SKY2_HW_NEWER_PHY)) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 336 | u16 ectrl = gm_phy_read(hw, port, PHY_MARV_EXT_CTRL); |
| 337 | |
| 338 | ectrl &= ~(PHY_M_EC_M_DSC_MSK | PHY_M_EC_S_DSC_MSK | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 339 | PHY_M_EC_MAC_S_MSK); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 340 | ectrl |= PHY_M_EC_MAC_S(MAC_TX_CLK_25_MHZ); |
| 341 | |
Stephen Hemminger | 53419c6 | 2007-05-14 12:38:11 -0700 | [diff] [blame] | 342 | /* on PHY 88E1040 Rev.D0 (and newer) downshift control changed */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 343 | if (hw->chip_id == CHIP_ID_YUKON_EC) |
Stephen Hemminger | 53419c6 | 2007-05-14 12:38:11 -0700 | [diff] [blame] | 344 | /* set downshift counter to 3x and enable downshift */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 345 | ectrl |= PHY_M_EC_DSC_2(2) | PHY_M_EC_DOWN_S_ENA; |
| 346 | else |
Stephen Hemminger | 53419c6 | 2007-05-14 12:38:11 -0700 | [diff] [blame] | 347 | /* set master & slave downshift counter to 1x */ |
| 348 | ectrl |= PHY_M_EC_M_DSC(0) | PHY_M_EC_S_DSC(1); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 349 | |
| 350 | gm_phy_write(hw, port, PHY_MARV_EXT_CTRL, ectrl); |
| 351 | } |
| 352 | |
| 353 | ctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL); |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 354 | if (sky2_is_copper(hw)) { |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 355 | if (!(hw->flags & SKY2_HW_GIGABIT)) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 356 | /* enable automatic crossover */ |
| 357 | ctrl |= PHY_M_PC_MDI_XMODE(PHY_M_PC_ENA_AUTO) >> 1; |
Stephen Hemminger | 6d3105d | 2007-09-24 19:34:51 -0700 | [diff] [blame] | 358 | |
| 359 | if (hw->chip_id == CHIP_ID_YUKON_FE_P && |
| 360 | hw->chip_rev == CHIP_REV_YU_FE2_A0) { |
| 361 | u16 spec; |
| 362 | |
| 363 | /* Enable Class A driver for FE+ A0 */ |
| 364 | spec = gm_phy_read(hw, port, PHY_MARV_FE_SPEC_2); |
| 365 | spec |= PHY_M_FESC_SEL_CL_A; |
| 366 | gm_phy_write(hw, port, PHY_MARV_FE_SPEC_2, spec); |
| 367 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 368 | } else { |
| 369 | /* disable energy detect */ |
| 370 | ctrl &= ~PHY_M_PC_EN_DET_MSK; |
| 371 | |
| 372 | /* enable automatic crossover */ |
| 373 | ctrl |= PHY_M_PC_MDI_XMODE(PHY_M_PC_ENA_AUTO); |
| 374 | |
Stephen Hemminger | 53419c6 | 2007-05-14 12:38:11 -0700 | [diff] [blame] | 375 | /* downshift on PHY 88E1112 and 88E1149 is changed */ |
Stephen Hemminger | 9374549 | 2007-02-06 10:45:43 -0800 | [diff] [blame] | 376 | if (sky2->autoneg == AUTONEG_ENABLE |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 377 | && (hw->flags & SKY2_HW_NEWER_PHY)) { |
Stephen Hemminger | 53419c6 | 2007-05-14 12:38:11 -0700 | [diff] [blame] | 378 | /* set downshift counter to 3x and enable downshift */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 379 | ctrl &= ~PHY_M_PC_DSC_MSK; |
| 380 | ctrl |= PHY_M_PC_DSC(2) | PHY_M_PC_DOWN_S_ENA; |
| 381 | } |
| 382 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 383 | } else { |
| 384 | /* workaround for deviation #4.88 (CRC errors) */ |
| 385 | /* disable Automatic Crossover */ |
| 386 | |
| 387 | ctrl &= ~PHY_M_PC_MDIX_MSK; |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 388 | } |
| 389 | |
| 390 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl); |
| 391 | |
| 392 | /* special setup for PHY 88E1112 Fiber */ |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 393 | if (hw->chip_id == CHIP_ID_YUKON_XL && (hw->flags & SKY2_HW_FIBRE_PHY)) { |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 394 | pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); |
| 395 | |
| 396 | /* Fiber: select 1000BASE-X only mode MAC Specific Ctrl Reg. */ |
| 397 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 2); |
| 398 | ctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL); |
| 399 | ctrl &= ~PHY_M_MAC_MD_MSK; |
| 400 | ctrl |= PHY_M_MAC_MODE_SEL(PHY_M_MAC_MD_1000BX); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 401 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl); |
| 402 | |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 403 | if (hw->pmd_type == 'P') { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 404 | /* select page 1 to access Fiber registers */ |
| 405 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 1); |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 406 | |
| 407 | /* for SFP-module set SIGDET polarity to low */ |
| 408 | ctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL); |
| 409 | ctrl |= PHY_M_FIB_SIGD_POL; |
Stephen Hemminger | 34dd962 | 2007-05-24 15:22:45 -0700 | [diff] [blame] | 410 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 411 | } |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 412 | |
| 413 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 414 | } |
| 415 | |
Stephen Hemminger | 7800fdd | 2006-10-17 10:24:10 -0700 | [diff] [blame] | 416 | ctrl = PHY_CT_RESET; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 417 | ct1000 = 0; |
| 418 | adv = PHY_AN_CSMA; |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 419 | reg = 0; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 420 | |
| 421 | if (sky2->autoneg == AUTONEG_ENABLE) { |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 422 | if (sky2_is_copper(hw)) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 423 | if (sky2->advertising & ADVERTISED_1000baseT_Full) |
| 424 | ct1000 |= PHY_M_1000C_AFD; |
| 425 | if (sky2->advertising & ADVERTISED_1000baseT_Half) |
| 426 | ct1000 |= PHY_M_1000C_AHD; |
| 427 | if (sky2->advertising & ADVERTISED_100baseT_Full) |
| 428 | adv |= PHY_M_AN_100_FD; |
| 429 | if (sky2->advertising & ADVERTISED_100baseT_Half) |
| 430 | adv |= PHY_M_AN_100_HD; |
| 431 | if (sky2->advertising & ADVERTISED_10baseT_Full) |
| 432 | adv |= PHY_M_AN_10_FD; |
| 433 | if (sky2->advertising & ADVERTISED_10baseT_Half) |
| 434 | adv |= PHY_M_AN_10_HD; |
Stephen Hemminger | 709c6e7 | 2006-10-17 10:24:04 -0700 | [diff] [blame] | 435 | |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 436 | adv |= copper_fc_adv[sky2->flow_mode]; |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 437 | } else { /* special defines for FIBER (88E1040S only) */ |
| 438 | if (sky2->advertising & ADVERTISED_1000baseT_Full) |
| 439 | adv |= PHY_M_AN_1000X_AFD; |
| 440 | if (sky2->advertising & ADVERTISED_1000baseT_Half) |
| 441 | adv |= PHY_M_AN_1000X_AHD; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 442 | |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 443 | adv |= fiber_fc_adv[sky2->flow_mode]; |
Stephen Hemminger | 709c6e7 | 2006-10-17 10:24:04 -0700 | [diff] [blame] | 444 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 445 | |
| 446 | /* Restart Auto-negotiation */ |
| 447 | ctrl |= PHY_CT_ANE | PHY_CT_RE_CFG; |
| 448 | } else { |
| 449 | /* forced speed/duplex settings */ |
| 450 | ct1000 = PHY_M_1000C_MSE; |
| 451 | |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 452 | /* Disable auto update for duplex flow control and speed */ |
| 453 | reg |= GM_GPCR_AU_ALL_DIS; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 454 | |
| 455 | switch (sky2->speed) { |
| 456 | case SPEED_1000: |
| 457 | ctrl |= PHY_CT_SP1000; |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 458 | reg |= GM_GPCR_SPEED_1000; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 459 | break; |
| 460 | case SPEED_100: |
| 461 | ctrl |= PHY_CT_SP100; |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 462 | reg |= GM_GPCR_SPEED_100; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 463 | break; |
| 464 | } |
| 465 | |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 466 | if (sky2->duplex == DUPLEX_FULL) { |
| 467 | reg |= GM_GPCR_DUP_FULL; |
| 468 | ctrl |= PHY_CT_DUP_MD; |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 469 | } else if (sky2->speed < SPEED_1000) |
| 470 | sky2->flow_mode = FC_NONE; |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 471 | |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 472 | |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 473 | reg |= gm_fc_disable[sky2->flow_mode]; |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 474 | |
| 475 | /* Forward pause packets to GMAC? */ |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 476 | if (sky2->flow_mode & FC_RX) |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 477 | sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_PAUSE_ON); |
| 478 | else |
| 479 | sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_PAUSE_OFF); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 480 | } |
| 481 | |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 482 | gma_write16(hw, port, GM_GP_CTRL, reg); |
| 483 | |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 484 | if (hw->flags & SKY2_HW_GIGABIT) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 485 | gm_phy_write(hw, port, PHY_MARV_1000T_CTRL, ct1000); |
| 486 | |
| 487 | gm_phy_write(hw, port, PHY_MARV_AUNE_ADV, adv); |
| 488 | gm_phy_write(hw, port, PHY_MARV_CTRL, ctrl); |
| 489 | |
| 490 | /* Setup Phy LED's */ |
| 491 | ledctrl = PHY_M_LED_PULS_DUR(PULS_170MS); |
| 492 | ledover = 0; |
| 493 | |
| 494 | switch (hw->chip_id) { |
| 495 | case CHIP_ID_YUKON_FE: |
| 496 | /* on 88E3082 these bits are at 11..9 (shifted left) */ |
| 497 | ledctrl |= PHY_M_LED_BLINK_RT(BLINK_84MS) << 1; |
| 498 | |
| 499 | ctrl = gm_phy_read(hw, port, PHY_MARV_FE_LED_PAR); |
| 500 | |
| 501 | /* delete ACT LED control bits */ |
| 502 | ctrl &= ~PHY_M_FELP_LED1_MSK; |
| 503 | /* change ACT LED control to blink mode */ |
| 504 | ctrl |= PHY_M_FELP_LED1_CTRL(LED_PAR_CTRL_ACT_BL); |
| 505 | gm_phy_write(hw, port, PHY_MARV_FE_LED_PAR, ctrl); |
| 506 | break; |
| 507 | |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 508 | case CHIP_ID_YUKON_FE_P: |
| 509 | /* Enable Link Partner Next Page */ |
| 510 | ctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL); |
| 511 | ctrl |= PHY_M_PC_ENA_LIP_NP; |
| 512 | |
| 513 | /* disable Energy Detect and enable scrambler */ |
| 514 | ctrl &= ~(PHY_M_PC_ENA_ENE_DT | PHY_M_PC_DIS_SCRAMB); |
| 515 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl); |
| 516 | |
| 517 | /* set LED2 -> ACT, LED1 -> LINK, LED0 -> SPEED */ |
| 518 | ctrl = PHY_M_FELP_LED2_CTRL(LED_PAR_CTRL_ACT_BL) | |
| 519 | PHY_M_FELP_LED1_CTRL(LED_PAR_CTRL_LINK) | |
| 520 | PHY_M_FELP_LED0_CTRL(LED_PAR_CTRL_SPEED); |
| 521 | |
| 522 | gm_phy_write(hw, port, PHY_MARV_FE_LED_PAR, ctrl); |
| 523 | break; |
| 524 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 525 | case CHIP_ID_YUKON_XL: |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 526 | pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 527 | |
| 528 | /* select page 3 to access LED control register */ |
| 529 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 3); |
| 530 | |
| 531 | /* set LED Function Control register */ |
Stephen Hemminger | ed6d32c | 2006-05-08 15:11:33 -0700 | [diff] [blame] | 532 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, |
| 533 | (PHY_M_LEDC_LOS_CTRL(1) | /* LINK/ACT */ |
| 534 | PHY_M_LEDC_INIT_CTRL(7) | /* 10 Mbps */ |
| 535 | PHY_M_LEDC_STA1_CTRL(7) | /* 100 Mbps */ |
| 536 | PHY_M_LEDC_STA0_CTRL(7))); /* 1000 Mbps */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 537 | |
| 538 | /* set Polarity Control register */ |
| 539 | gm_phy_write(hw, port, PHY_MARV_PHY_STAT, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 540 | (PHY_M_POLC_LS1_P_MIX(4) | |
| 541 | PHY_M_POLC_IS0_P_MIX(4) | |
| 542 | PHY_M_POLC_LOS_CTRL(2) | |
| 543 | PHY_M_POLC_INIT_CTRL(2) | |
| 544 | PHY_M_POLC_STA1_CTRL(2) | |
| 545 | PHY_M_POLC_STA0_CTRL(2))); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 546 | |
| 547 | /* restore page register */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 548 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 549 | break; |
Stephen Hemminger | 9374549 | 2007-02-06 10:45:43 -0800 | [diff] [blame] | 550 | |
Stephen Hemminger | ed6d32c | 2006-05-08 15:11:33 -0700 | [diff] [blame] | 551 | case CHIP_ID_YUKON_EC_U: |
Stephen Hemminger | 9374549 | 2007-02-06 10:45:43 -0800 | [diff] [blame] | 552 | case CHIP_ID_YUKON_EX: |
Stephen Hemminger | ed6d32c | 2006-05-08 15:11:33 -0700 | [diff] [blame] | 553 | pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); |
| 554 | |
| 555 | /* select page 3 to access LED control register */ |
| 556 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 3); |
| 557 | |
| 558 | /* set LED Function Control register */ |
| 559 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, |
| 560 | (PHY_M_LEDC_LOS_CTRL(1) | /* LINK/ACT */ |
| 561 | PHY_M_LEDC_INIT_CTRL(8) | /* 10 Mbps */ |
| 562 | PHY_M_LEDC_STA1_CTRL(7) | /* 100 Mbps */ |
| 563 | PHY_M_LEDC_STA0_CTRL(7)));/* 1000 Mbps */ |
| 564 | |
| 565 | /* set Blink Rate in LED Timer Control Register */ |
| 566 | gm_phy_write(hw, port, PHY_MARV_INT_MASK, |
| 567 | ledctrl | PHY_M_LED_BLINK_RT(BLINK_84MS)); |
| 568 | /* restore page register */ |
| 569 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg); |
| 570 | break; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 571 | |
| 572 | default: |
| 573 | /* set Tx LED (LED_TX) to blink mode on Rx OR Tx activity */ |
| 574 | ledctrl |= PHY_M_LED_BLINK_RT(BLINK_84MS) | PHY_M_LEDC_TX_CTRL; |
| 575 | /* turn off the Rx LED (LED_RX) */ |
Stephen Hemminger | 0efdf26 | 2006-12-05 12:03:41 -0800 | [diff] [blame] | 576 | ledover &= ~PHY_M_LED_MO_RX; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 577 | } |
| 578 | |
Stephen Hemminger | 9467a8f | 2007-04-07 16:02:28 -0700 | [diff] [blame] | 579 | if (hw->chip_id == CHIP_ID_YUKON_EC_U && |
| 580 | hw->chip_rev == CHIP_REV_YU_EC_U_A1) { |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 581 | /* apply fixes in PHY AFE */ |
Stephen Hemminger | ed6d32c | 2006-05-08 15:11:33 -0700 | [diff] [blame] | 582 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 255); |
| 583 | |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 584 | /* increase differential signal amplitude in 10BASE-T */ |
Stephen Hemminger | ed6d32c | 2006-05-08 15:11:33 -0700 | [diff] [blame] | 585 | gm_phy_write(hw, port, 0x18, 0xaa99); |
| 586 | gm_phy_write(hw, port, 0x17, 0x2011); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 587 | |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 588 | /* fix for IEEE A/B Symmetry failure in 1000BASE-T */ |
Stephen Hemminger | ed6d32c | 2006-05-08 15:11:33 -0700 | [diff] [blame] | 589 | gm_phy_write(hw, port, 0x18, 0xa204); |
| 590 | gm_phy_write(hw, port, 0x17, 0x2002); |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 591 | |
| 592 | /* set page register to 0 */ |
Stephen Hemminger | 9467a8f | 2007-04-07 16:02:28 -0700 | [diff] [blame] | 593 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 0); |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 594 | } else if (hw->chip_id == CHIP_ID_YUKON_FE_P && |
| 595 | hw->chip_rev == CHIP_REV_YU_FE2_A0) { |
| 596 | /* apply workaround for integrated resistors calibration */ |
| 597 | gm_phy_write(hw, port, PHY_MARV_PAGE_ADDR, 17); |
| 598 | gm_phy_write(hw, port, PHY_MARV_PAGE_DATA, 0x3f60); |
Stephen Hemminger | 9374549 | 2007-02-06 10:45:43 -0800 | [diff] [blame] | 599 | } else if (hw->chip_id != CHIP_ID_YUKON_EX) { |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 600 | /* no effect on Yukon-XL */ |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 601 | gm_phy_write(hw, port, PHY_MARV_LED_CTRL, ledctrl); |
| 602 | |
| 603 | if (sky2->autoneg == AUTONEG_DISABLE || sky2->speed == SPEED_100) { |
| 604 | /* turn on 100 Mbps LED (LED_LINK100) */ |
Stephen Hemminger | 0efdf26 | 2006-12-05 12:03:41 -0800 | [diff] [blame] | 605 | ledover |= PHY_M_LED_MO_100; |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 606 | } |
| 607 | |
| 608 | if (ledover) |
| 609 | gm_phy_write(hw, port, PHY_MARV_LED_OVER, ledover); |
| 610 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 611 | } |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 612 | |
shemminger@osdl.org | d571b69 | 2005-10-26 12:16:09 -0700 | [diff] [blame] | 613 | /* Enable phy interrupt on auto-negotiation complete (or link up) */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 614 | if (sky2->autoneg == AUTONEG_ENABLE) |
| 615 | gm_phy_write(hw, port, PHY_MARV_INT_MASK, PHY_M_IS_AN_COMPL); |
| 616 | else |
| 617 | gm_phy_write(hw, port, PHY_MARV_INT_MASK, PHY_M_DEF_MSK); |
| 618 | } |
| 619 | |
shemminger@osdl.org | d3bcfbe | 2006-08-28 10:00:51 -0700 | [diff] [blame] | 620 | static void sky2_phy_power(struct sky2_hw *hw, unsigned port, int onoff) |
| 621 | { |
Stephen Hemminger | 167f53d | 2007-09-25 19:01:02 -0700 | [diff] [blame] | 622 | struct pci_dev *pdev = hw->pdev; |
shemminger@osdl.org | d3bcfbe | 2006-08-28 10:00:51 -0700 | [diff] [blame] | 623 | u32 reg1; |
Stephen Hemminger | ff35164 | 2007-10-11 19:47:44 -0700 | [diff] [blame] | 624 | static const u32 phy_power[] = { PCI_Y2_PHY1_POWD, PCI_Y2_PHY2_POWD }; |
| 625 | static const u32 coma_mode[] = { PCI_Y2_PHY1_COMA, PCI_Y2_PHY2_COMA }; |
shemminger@osdl.org | d3bcfbe | 2006-08-28 10:00:51 -0700 | [diff] [blame] | 626 | |
Stephen Hemminger | 167f53d | 2007-09-25 19:01:02 -0700 | [diff] [blame] | 627 | pci_read_config_dword(pdev, PCI_DEV_REG1, ®1); |
Stephen Hemminger | ff35164 | 2007-10-11 19:47:44 -0700 | [diff] [blame] | 628 | /* Turn on/off phy power saving */ |
shemminger@osdl.org | d3bcfbe | 2006-08-28 10:00:51 -0700 | [diff] [blame] | 629 | if (onoff) |
shemminger@osdl.org | d3bcfbe | 2006-08-28 10:00:51 -0700 | [diff] [blame] | 630 | reg1 &= ~phy_power[port]; |
| 631 | else |
| 632 | reg1 |= phy_power[port]; |
| 633 | |
Stephen Hemminger | ff35164 | 2007-10-11 19:47:44 -0700 | [diff] [blame] | 634 | if (onoff && hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev > 1) |
| 635 | reg1 |= coma_mode[port]; |
| 636 | |
Stephen Hemminger | 167f53d | 2007-09-25 19:01:02 -0700 | [diff] [blame] | 637 | pci_write_config_dword(pdev, PCI_DEV_REG1, reg1); |
| 638 | pci_read_config_dword(pdev, PCI_DEV_REG1, ®1); |
| 639 | |
shemminger@osdl.org | d3bcfbe | 2006-08-28 10:00:51 -0700 | [diff] [blame] | 640 | udelay(100); |
| 641 | } |
| 642 | |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 643 | /* Force a renegotiation */ |
| 644 | static void sky2_phy_reinit(struct sky2_port *sky2) |
| 645 | { |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 646 | spin_lock_bh(&sky2->phy_lock); |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 647 | sky2_phy_init(sky2->hw, sky2->port); |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 648 | spin_unlock_bh(&sky2->phy_lock); |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 649 | } |
| 650 | |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 651 | /* Put device in state to listen for Wake On Lan */ |
| 652 | static void sky2_wol_init(struct sky2_port *sky2) |
| 653 | { |
| 654 | struct sky2_hw *hw = sky2->hw; |
| 655 | unsigned port = sky2->port; |
| 656 | enum flow_control save_mode; |
| 657 | u16 ctrl; |
| 658 | u32 reg1; |
| 659 | |
| 660 | /* Bring hardware out of reset */ |
| 661 | sky2_write16(hw, B0_CTST, CS_RST_CLR); |
| 662 | sky2_write16(hw, SK_REG(port, GMAC_LINK_CTRL), GMLC_RST_CLR); |
| 663 | |
| 664 | sky2_write8(hw, SK_REG(port, GPHY_CTRL), GPC_RST_CLR); |
| 665 | sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_RST_CLR); |
| 666 | |
| 667 | /* Force to 10/100 |
| 668 | * sky2_reset will re-enable on resume |
| 669 | */ |
| 670 | save_mode = sky2->flow_mode; |
| 671 | ctrl = sky2->advertising; |
| 672 | |
| 673 | sky2->advertising &= ~(ADVERTISED_1000baseT_Half|ADVERTISED_1000baseT_Full); |
| 674 | sky2->flow_mode = FC_NONE; |
| 675 | sky2_phy_power(hw, port, 1); |
| 676 | sky2_phy_reinit(sky2); |
| 677 | |
| 678 | sky2->flow_mode = save_mode; |
| 679 | sky2->advertising = ctrl; |
| 680 | |
| 681 | /* Set GMAC to no flow control and auto update for speed/duplex */ |
| 682 | gma_write16(hw, port, GM_GP_CTRL, |
| 683 | GM_GPCR_FC_TX_DIS|GM_GPCR_TX_ENA|GM_GPCR_RX_ENA| |
| 684 | GM_GPCR_DUP_FULL|GM_GPCR_FC_RX_DIS|GM_GPCR_AU_FCT_DIS); |
| 685 | |
| 686 | /* Set WOL address */ |
| 687 | memcpy_toio(hw->regs + WOL_REGS(port, WOL_MAC_ADDR), |
| 688 | sky2->netdev->dev_addr, ETH_ALEN); |
| 689 | |
| 690 | /* Turn on appropriate WOL control bits */ |
| 691 | sky2_write16(hw, WOL_REGS(port, WOL_CTRL_STAT), WOL_CTL_CLEAR_RESULT); |
| 692 | ctrl = 0; |
| 693 | if (sky2->wol & WAKE_PHY) |
| 694 | ctrl |= WOL_CTL_ENA_PME_ON_LINK_CHG|WOL_CTL_ENA_LINK_CHG_UNIT; |
| 695 | else |
| 696 | ctrl |= WOL_CTL_DIS_PME_ON_LINK_CHG|WOL_CTL_DIS_LINK_CHG_UNIT; |
| 697 | |
| 698 | if (sky2->wol & WAKE_MAGIC) |
| 699 | ctrl |= WOL_CTL_ENA_PME_ON_MAGIC_PKT|WOL_CTL_ENA_MAGIC_PKT_UNIT; |
| 700 | else |
| 701 | ctrl |= WOL_CTL_DIS_PME_ON_MAGIC_PKT|WOL_CTL_DIS_MAGIC_PKT_UNIT;; |
| 702 | |
| 703 | ctrl |= WOL_CTL_DIS_PME_ON_PATTERN|WOL_CTL_DIS_PATTERN_UNIT; |
| 704 | sky2_write16(hw, WOL_REGS(port, WOL_CTRL_STAT), ctrl); |
| 705 | |
| 706 | /* Turn on legacy PCI-Express PME mode */ |
Stephen Hemminger | 167f53d | 2007-09-25 19:01:02 -0700 | [diff] [blame] | 707 | pci_read_config_dword(hw->pdev, PCI_DEV_REG1, ®1); |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 708 | reg1 |= PCI_Y2_PME_LEGACY; |
Stephen Hemminger | 167f53d | 2007-09-25 19:01:02 -0700 | [diff] [blame] | 709 | pci_write_config_dword(hw->pdev, PCI_DEV_REG1, reg1); |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 710 | |
| 711 | /* block receiver */ |
| 712 | sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_RST_SET); |
| 713 | |
| 714 | } |
| 715 | |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 716 | static void sky2_set_tx_stfwd(struct sky2_hw *hw, unsigned port) |
| 717 | { |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 718 | struct net_device *dev = hw->dev[port]; |
| 719 | |
| 720 | if (dev->mtu <= ETH_DATA_LEN) |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 721 | sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 722 | TX_JUMBO_DIS | TX_STFW_ENA); |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 723 | |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 724 | else if (hw->chip_id != CHIP_ID_YUKON_EC_U) |
| 725 | sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), |
| 726 | TX_STFW_ENA | TX_JUMBO_ENA); |
| 727 | else { |
| 728 | /* set Tx GMAC FIFO Almost Empty Threshold */ |
| 729 | sky2_write32(hw, SK_REG(port, TX_GMF_AE_THR), |
| 730 | (ECU_JUMBO_WM << 16) | ECU_AE_THR); |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 731 | |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 732 | sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), |
| 733 | TX_JUMBO_ENA | TX_STFW_DIS); |
| 734 | |
| 735 | /* Can't do offload because of lack of store/forward */ |
| 736 | dev->features &= ~(NETIF_F_TSO | NETIF_F_SG | NETIF_F_ALL_CSUM); |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 737 | } |
| 738 | } |
| 739 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 740 | static void sky2_mac_init(struct sky2_hw *hw, unsigned port) |
| 741 | { |
| 742 | struct sky2_port *sky2 = netdev_priv(hw->dev[port]); |
| 743 | u16 reg; |
Al Viro | 25cccec | 2007-07-20 16:07:33 +0100 | [diff] [blame] | 744 | u32 rx_reg; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 745 | int i; |
| 746 | const u8 *addr = hw->dev[port]->dev_addr; |
| 747 | |
Stephen Hemminger | f350339 | 2007-08-21 11:10:22 -0700 | [diff] [blame] | 748 | sky2_write8(hw, SK_REG(port, GPHY_CTRL), GPC_RST_SET); |
| 749 | sky2_write8(hw, SK_REG(port, GPHY_CTRL), GPC_RST_CLR); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 750 | |
| 751 | sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_RST_CLR); |
| 752 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 753 | if (hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev == 0 && port == 1) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 754 | /* WA DEV_472 -- looks like crossed wires on port 2 */ |
| 755 | /* clear GMAC 1 Control reset */ |
| 756 | sky2_write8(hw, SK_REG(0, GMAC_CTRL), GMC_RST_CLR); |
| 757 | do { |
| 758 | sky2_write8(hw, SK_REG(1, GMAC_CTRL), GMC_RST_SET); |
| 759 | sky2_write8(hw, SK_REG(1, GMAC_CTRL), GMC_RST_CLR); |
| 760 | } while (gm_phy_read(hw, 1, PHY_MARV_ID0) != PHY_MARV_ID0_VAL || |
| 761 | gm_phy_read(hw, 1, PHY_MARV_ID1) != PHY_MARV_ID1_Y2 || |
| 762 | gm_phy_read(hw, 1, PHY_MARV_INT_MASK) != 0); |
| 763 | } |
| 764 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 765 | sky2_read16(hw, SK_REG(port, GMAC_IRQ_SRC)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 766 | |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 767 | /* Enable Transmit FIFO Underrun */ |
| 768 | sky2_write8(hw, SK_REG(port, GMAC_IRQ_MSK), GMAC_DEF_MSK); |
| 769 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 770 | spin_lock_bh(&sky2->phy_lock); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 771 | sky2_phy_init(hw, port); |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 772 | spin_unlock_bh(&sky2->phy_lock); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 773 | |
| 774 | /* MIB clear */ |
| 775 | reg = gma_read16(hw, port, GM_PHY_ADDR); |
| 776 | gma_write16(hw, port, GM_PHY_ADDR, reg | GM_PAR_MIB_CLR); |
| 777 | |
Stephen Hemminger | 43f2f10 | 2006-04-05 17:47:15 -0700 | [diff] [blame] | 778 | for (i = GM_MIB_CNT_BASE; i <= GM_MIB_CNT_END; i += 4) |
| 779 | gma_read16(hw, port, i); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 780 | gma_write16(hw, port, GM_PHY_ADDR, reg); |
| 781 | |
| 782 | /* transmit control */ |
| 783 | gma_write16(hw, port, GM_TX_CTRL, TX_COL_THR(TX_COL_DEF)); |
| 784 | |
| 785 | /* receive control reg: unicast + multicast + no FCS */ |
| 786 | gma_write16(hw, port, GM_RX_CTRL, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 787 | GM_RXCR_UCF_ENA | GM_RXCR_CRC_DIS | GM_RXCR_MCF_ENA); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 788 | |
| 789 | /* transmit flow control */ |
| 790 | gma_write16(hw, port, GM_TX_FLOW_CTRL, 0xffff); |
| 791 | |
| 792 | /* transmit parameter */ |
| 793 | gma_write16(hw, port, GM_TX_PARAM, |
| 794 | TX_JAM_LEN_VAL(TX_JAM_LEN_DEF) | |
| 795 | TX_JAM_IPG_VAL(TX_JAM_IPG_DEF) | |
| 796 | TX_IPG_JAM_DATA(TX_IPG_JAM_DEF) | |
| 797 | TX_BACK_OFF_LIM(TX_BOF_LIM_DEF)); |
| 798 | |
| 799 | /* serial mode register */ |
| 800 | reg = DATA_BLIND_VAL(DATA_BLIND_DEF) | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 801 | GM_SMOD_VLAN_ENA | IPG_DATA_VAL(IPG_DATA_DEF); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 802 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 803 | if (hw->dev[port]->mtu > ETH_DATA_LEN) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 804 | reg |= GM_SMOD_JUMBO_ENA; |
| 805 | |
| 806 | gma_write16(hw, port, GM_SERIAL_MODE, reg); |
| 807 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 808 | /* virtual address for data */ |
| 809 | gma_set_addr(hw, port, GM_SRC_ADDR_2L, addr); |
| 810 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 811 | /* physical address: used for pause frames */ |
| 812 | gma_set_addr(hw, port, GM_SRC_ADDR_1L, addr); |
| 813 | |
| 814 | /* ignore counter overflows */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 815 | gma_write16(hw, port, GM_TX_IRQ_MSK, 0); |
| 816 | gma_write16(hw, port, GM_RX_IRQ_MSK, 0); |
| 817 | gma_write16(hw, port, GM_TR_IRQ_MSK, 0); |
| 818 | |
| 819 | /* Configure Rx MAC FIFO */ |
| 820 | sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_RST_CLR); |
Al Viro | 25cccec | 2007-07-20 16:07:33 +0100 | [diff] [blame] | 821 | rx_reg = GMF_OPER_ON | GMF_RX_F_FL_ON; |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 822 | if (hw->chip_id == CHIP_ID_YUKON_EX || |
| 823 | hw->chip_id == CHIP_ID_YUKON_FE_P) |
Al Viro | 25cccec | 2007-07-20 16:07:33 +0100 | [diff] [blame] | 824 | rx_reg |= GMF_RX_OVER_ON; |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 825 | |
Al Viro | 25cccec | 2007-07-20 16:07:33 +0100 | [diff] [blame] | 826 | sky2_write32(hw, SK_REG(port, RX_GMF_CTRL_T), rx_reg); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 827 | |
shemminger@osdl.org | d571b69 | 2005-10-26 12:16:09 -0700 | [diff] [blame] | 828 | /* Flush Rx MAC FIFO on any flow control or error */ |
shemminger@osdl.org | 42eeea0 | 2005-11-30 11:45:13 -0800 | [diff] [blame] | 829 | sky2_write16(hw, SK_REG(port, RX_GMF_FL_MSK), GMR_FS_ANY_ERR); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 830 | |
Stephen Hemminger | 8df9a87 | 2006-12-01 14:29:35 -0800 | [diff] [blame] | 831 | /* Set threshold to 0xa (64 bytes) + 1 to workaround pause bug */ |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 832 | reg = RX_GMF_FL_THR_DEF + 1; |
| 833 | /* Another magic mystery workaround from sk98lin */ |
| 834 | if (hw->chip_id == CHIP_ID_YUKON_FE_P && |
| 835 | hw->chip_rev == CHIP_REV_YU_FE2_A0) |
| 836 | reg = 0x178; |
| 837 | sky2_write16(hw, SK_REG(port, RX_GMF_FL_THR), reg); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 838 | |
| 839 | /* Configure Tx MAC FIFO */ |
| 840 | sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_RST_CLR); |
| 841 | sky2_write16(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_OPER_ON); |
shemminger@osdl.org | 5a5b1ea | 2005-11-30 11:45:15 -0800 | [diff] [blame] | 842 | |
Stephen Hemminger | e0c2811 | 2007-09-20 13:03:49 -0700 | [diff] [blame] | 843 | /* On chips without ram buffer, pause is controled by MAC level */ |
| 844 | if (sky2_read8(hw, B2_E_0) == 0) { |
Stephen Hemminger | 8df9a87 | 2006-12-01 14:29:35 -0800 | [diff] [blame] | 845 | sky2_write8(hw, SK_REG(port, RX_GMF_LP_THR), 768/8); |
shemminger@osdl.org | 5a5b1ea | 2005-11-30 11:45:15 -0800 | [diff] [blame] | 846 | sky2_write8(hw, SK_REG(port, RX_GMF_UP_THR), 1024/8); |
Stephen Hemminger | b628ed9 | 2007-04-11 14:48:01 -0700 | [diff] [blame] | 847 | |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 848 | sky2_set_tx_stfwd(hw, port); |
shemminger@osdl.org | 5a5b1ea | 2005-11-30 11:45:15 -0800 | [diff] [blame] | 849 | } |
| 850 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 851 | } |
| 852 | |
Stephen Hemminger | 6771290 | 2006-12-04 15:53:45 -0800 | [diff] [blame] | 853 | /* Assign Ram Buffer allocation to queue */ |
| 854 | static void sky2_ramset(struct sky2_hw *hw, u16 q, u32 start, u32 space) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 855 | { |
Stephen Hemminger | 6771290 | 2006-12-04 15:53:45 -0800 | [diff] [blame] | 856 | u32 end; |
| 857 | |
| 858 | /* convert from K bytes to qwords used for hw register */ |
| 859 | start *= 1024/8; |
| 860 | space *= 1024/8; |
| 861 | end = start + space - 1; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 862 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 863 | sky2_write8(hw, RB_ADDR(q, RB_CTRL), RB_RST_CLR); |
| 864 | sky2_write32(hw, RB_ADDR(q, RB_START), start); |
| 865 | sky2_write32(hw, RB_ADDR(q, RB_END), end); |
| 866 | sky2_write32(hw, RB_ADDR(q, RB_WP), start); |
| 867 | sky2_write32(hw, RB_ADDR(q, RB_RP), start); |
| 868 | |
| 869 | if (q == Q_R1 || q == Q_R2) { |
Stephen Hemminger | 1c28f6b | 2006-01-17 13:43:13 -0800 | [diff] [blame] | 870 | u32 tp = space - space/4; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 871 | |
Stephen Hemminger | 1c28f6b | 2006-01-17 13:43:13 -0800 | [diff] [blame] | 872 | /* On receive queue's set the thresholds |
| 873 | * give receiver priority when > 3/4 full |
| 874 | * send pause when down to 2K |
| 875 | */ |
| 876 | sky2_write32(hw, RB_ADDR(q, RB_RX_UTHP), tp); |
| 877 | sky2_write32(hw, RB_ADDR(q, RB_RX_LTHP), space/2); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 878 | |
Stephen Hemminger | 1c28f6b | 2006-01-17 13:43:13 -0800 | [diff] [blame] | 879 | tp = space - 2048/8; |
| 880 | sky2_write32(hw, RB_ADDR(q, RB_RX_UTPP), tp); |
| 881 | sky2_write32(hw, RB_ADDR(q, RB_RX_LTPP), space/4); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 882 | } else { |
| 883 | /* Enable store & forward on Tx queue's because |
| 884 | * Tx FIFO is only 1K on Yukon |
| 885 | */ |
| 886 | sky2_write8(hw, RB_ADDR(q, RB_CTRL), RB_ENA_STFWD); |
| 887 | } |
| 888 | |
| 889 | sky2_write8(hw, RB_ADDR(q, RB_CTRL), RB_ENA_OP_MD); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 890 | sky2_read8(hw, RB_ADDR(q, RB_CTRL)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 891 | } |
| 892 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 893 | /* Setup Bus Memory Interface */ |
shemminger@osdl.org | af4ed7e | 2005-11-30 11:45:21 -0800 | [diff] [blame] | 894 | static void sky2_qset(struct sky2_hw *hw, u16 q) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 895 | { |
| 896 | sky2_write32(hw, Q_ADDR(q, Q_CSR), BMU_CLR_RESET); |
| 897 | sky2_write32(hw, Q_ADDR(q, Q_CSR), BMU_OPER_INIT); |
| 898 | sky2_write32(hw, Q_ADDR(q, Q_CSR), BMU_FIFO_OP_ON); |
shemminger@osdl.org | af4ed7e | 2005-11-30 11:45:21 -0800 | [diff] [blame] | 899 | sky2_write32(hw, Q_ADDR(q, Q_WM), BMU_WM_DEFAULT); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 900 | } |
| 901 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 902 | /* Setup prefetch unit registers. This is the interface between |
| 903 | * hardware and driver list elements |
| 904 | */ |
Stephen Hemminger | 8cc048e | 2005-12-09 11:35:07 -0800 | [diff] [blame] | 905 | static void sky2_prefetch_init(struct sky2_hw *hw, u32 qaddr, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 906 | u64 addr, u32 last) |
| 907 | { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 908 | sky2_write32(hw, Y2_QADDR(qaddr, PREF_UNIT_CTRL), PREF_UNIT_RST_SET); |
| 909 | sky2_write32(hw, Y2_QADDR(qaddr, PREF_UNIT_CTRL), PREF_UNIT_RST_CLR); |
| 910 | sky2_write32(hw, Y2_QADDR(qaddr, PREF_UNIT_ADDR_HI), addr >> 32); |
| 911 | sky2_write32(hw, Y2_QADDR(qaddr, PREF_UNIT_ADDR_LO), (u32) addr); |
| 912 | sky2_write16(hw, Y2_QADDR(qaddr, PREF_UNIT_LAST_IDX), last); |
| 913 | sky2_write32(hw, Y2_QADDR(qaddr, PREF_UNIT_CTRL), PREF_UNIT_OP_ON); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 914 | |
| 915 | sky2_read32(hw, Y2_QADDR(qaddr, PREF_UNIT_CTRL)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 916 | } |
| 917 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 918 | static inline struct sky2_tx_le *get_tx_le(struct sky2_port *sky2) |
| 919 | { |
| 920 | struct sky2_tx_le *le = sky2->tx_le + sky2->tx_prod; |
| 921 | |
Stephen Hemminger | cb5d954 | 2006-05-08 15:11:29 -0700 | [diff] [blame] | 922 | sky2->tx_prod = RING_NEXT(sky2->tx_prod, TX_RING_SIZE); |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 923 | le->ctrl = 0; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 924 | return le; |
| 925 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 926 | |
Stephen Hemminger | 88f5f0c | 2007-09-27 12:38:12 -0700 | [diff] [blame] | 927 | static void tx_init(struct sky2_port *sky2) |
| 928 | { |
| 929 | struct sky2_tx_le *le; |
| 930 | |
| 931 | sky2->tx_prod = sky2->tx_cons = 0; |
| 932 | sky2->tx_tcpsum = 0; |
| 933 | sky2->tx_last_mss = 0; |
| 934 | |
| 935 | le = get_tx_le(sky2); |
| 936 | le->addr = 0; |
| 937 | le->opcode = OP_ADDR64 | HW_OWNER; |
| 938 | sky2->tx_addr64 = 0; |
| 939 | } |
| 940 | |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 941 | static inline struct tx_ring_info *tx_le_re(struct sky2_port *sky2, |
| 942 | struct sky2_tx_le *le) |
| 943 | { |
| 944 | return sky2->tx_ring + (le - sky2->tx_le); |
| 945 | } |
| 946 | |
Stephen Hemminger | 290d4de | 2006-03-20 15:48:15 -0800 | [diff] [blame] | 947 | /* Update chip's next pointer */ |
| 948 | static inline void sky2_put_idx(struct sky2_hw *hw, unsigned q, u16 idx) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 949 | { |
Stephen Hemminger | 50432cb | 2007-05-14 12:38:15 -0700 | [diff] [blame] | 950 | /* Make sure write' to descriptors are complete before we tell hardware */ |
Stephen Hemminger | 762c2de | 2006-01-17 13:43:14 -0800 | [diff] [blame] | 951 | wmb(); |
Stephen Hemminger | 50432cb | 2007-05-14 12:38:15 -0700 | [diff] [blame] | 952 | sky2_write16(hw, Y2_QADDR(q, PREF_UNIT_PUT_IDX), idx); |
| 953 | |
| 954 | /* Synchronize I/O on since next processor may write to tail */ |
| 955 | mmiowb(); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 956 | } |
| 957 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 958 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 959 | static inline struct sky2_rx_le *sky2_next_rx(struct sky2_port *sky2) |
| 960 | { |
| 961 | struct sky2_rx_le *le = sky2->rx_le + sky2->rx_put; |
Stephen Hemminger | cb5d954 | 2006-05-08 15:11:29 -0700 | [diff] [blame] | 962 | sky2->rx_put = RING_NEXT(sky2->rx_put, RX_LE_SIZE); |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 963 | le->ctrl = 0; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 964 | return le; |
| 965 | } |
| 966 | |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 967 | /* Build description to hardware for one receive segment */ |
| 968 | static void sky2_rx_add(struct sky2_port *sky2, u8 op, |
| 969 | dma_addr_t map, unsigned len) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 970 | { |
| 971 | struct sky2_rx_le *le; |
Stephen Hemminger | 36eb0c7 | 2007-07-09 15:33:42 -0700 | [diff] [blame] | 972 | u32 hi = upper_32_bits(map); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 973 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 974 | if (sky2->rx_addr64 != hi) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 975 | le = sky2_next_rx(sky2); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 976 | le->addr = cpu_to_le32(hi); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 977 | le->opcode = OP_ADDR64 | HW_OWNER; |
Stephen Hemminger | 36eb0c7 | 2007-07-09 15:33:42 -0700 | [diff] [blame] | 978 | sky2->rx_addr64 = upper_32_bits(map + len); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 979 | } |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 980 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 981 | le = sky2_next_rx(sky2); |
Stephen Hemminger | 734d186 | 2005-12-09 11:35:00 -0800 | [diff] [blame] | 982 | le->addr = cpu_to_le32((u32) map); |
| 983 | le->length = cpu_to_le16(len); |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 984 | le->opcode = op | HW_OWNER; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 985 | } |
| 986 | |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 987 | /* Build description to hardware for one possibly fragmented skb */ |
| 988 | static void sky2_rx_submit(struct sky2_port *sky2, |
| 989 | const struct rx_ring_info *re) |
| 990 | { |
| 991 | int i; |
| 992 | |
| 993 | sky2_rx_add(sky2, OP_PACKET, re->data_addr, sky2->rx_data_size); |
| 994 | |
| 995 | for (i = 0; i < skb_shinfo(re->skb)->nr_frags; i++) |
| 996 | sky2_rx_add(sky2, OP_BUFFER, re->frag_addr[i], PAGE_SIZE); |
| 997 | } |
| 998 | |
| 999 | |
| 1000 | static void sky2_rx_map_skb(struct pci_dev *pdev, struct rx_ring_info *re, |
| 1001 | unsigned size) |
| 1002 | { |
| 1003 | struct sk_buff *skb = re->skb; |
| 1004 | int i; |
| 1005 | |
| 1006 | re->data_addr = pci_map_single(pdev, skb->data, size, PCI_DMA_FROMDEVICE); |
| 1007 | pci_unmap_len_set(re, data_size, size); |
| 1008 | |
| 1009 | for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) |
| 1010 | re->frag_addr[i] = pci_map_page(pdev, |
| 1011 | skb_shinfo(skb)->frags[i].page, |
| 1012 | skb_shinfo(skb)->frags[i].page_offset, |
| 1013 | skb_shinfo(skb)->frags[i].size, |
| 1014 | PCI_DMA_FROMDEVICE); |
| 1015 | } |
| 1016 | |
| 1017 | static void sky2_rx_unmap_skb(struct pci_dev *pdev, struct rx_ring_info *re) |
| 1018 | { |
| 1019 | struct sk_buff *skb = re->skb; |
| 1020 | int i; |
| 1021 | |
| 1022 | pci_unmap_single(pdev, re->data_addr, pci_unmap_len(re, data_size), |
| 1023 | PCI_DMA_FROMDEVICE); |
| 1024 | |
| 1025 | for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) |
| 1026 | pci_unmap_page(pdev, re->frag_addr[i], |
| 1027 | skb_shinfo(skb)->frags[i].size, |
| 1028 | PCI_DMA_FROMDEVICE); |
| 1029 | } |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1030 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1031 | /* Tell chip where to start receive checksum. |
| 1032 | * Actually has two checksums, but set both same to avoid possible byte |
| 1033 | * order problems. |
| 1034 | */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1035 | static void rx_set_checksum(struct sky2_port *sky2) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1036 | { |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 1037 | struct sky2_rx_le *le = sky2_next_rx(sky2); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1038 | |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 1039 | le->addr = cpu_to_le32((ETH_HLEN << 16) | ETH_HLEN); |
| 1040 | le->ctrl = 0; |
| 1041 | le->opcode = OP_TCPSTART | HW_OWNER; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1042 | |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 1043 | sky2_write32(sky2->hw, |
| 1044 | Q_ADDR(rxqaddr[sky2->port], Q_CSR), |
| 1045 | sky2->rx_csum ? BMU_ENA_RX_CHKSUM : BMU_DIS_RX_CHKSUM); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1046 | } |
| 1047 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1048 | /* |
| 1049 | * The RX Stop command will not work for Yukon-2 if the BMU does not |
| 1050 | * reach the end of packet and since we can't make sure that we have |
| 1051 | * incoming data, we must reset the BMU while it is not doing a DMA |
| 1052 | * transfer. Since it is possible that the RX path is still active, |
| 1053 | * the RX RAM buffer will be stopped first, so any possible incoming |
| 1054 | * data will not trigger a DMA. After the RAM buffer is stopped, the |
| 1055 | * BMU is polled until any DMA in progress is ended and only then it |
| 1056 | * will be reset. |
| 1057 | */ |
| 1058 | static void sky2_rx_stop(struct sky2_port *sky2) |
| 1059 | { |
| 1060 | struct sky2_hw *hw = sky2->hw; |
| 1061 | unsigned rxq = rxqaddr[sky2->port]; |
| 1062 | int i; |
| 1063 | |
| 1064 | /* disable the RAM Buffer receive queue */ |
| 1065 | sky2_write8(hw, RB_ADDR(rxq, RB_CTRL), RB_DIS_OP_MD); |
| 1066 | |
| 1067 | for (i = 0; i < 0xffff; i++) |
| 1068 | if (sky2_read8(hw, RB_ADDR(rxq, Q_RSL)) |
| 1069 | == sky2_read8(hw, RB_ADDR(rxq, Q_RL))) |
| 1070 | goto stopped; |
| 1071 | |
| 1072 | printk(KERN_WARNING PFX "%s: receiver stop failed\n", |
| 1073 | sky2->netdev->name); |
| 1074 | stopped: |
| 1075 | sky2_write32(hw, Q_ADDR(rxq, Q_CSR), BMU_RST_SET | BMU_FIFO_RST); |
| 1076 | |
| 1077 | /* reset the Rx prefetch unit */ |
| 1078 | sky2_write32(hw, Y2_QADDR(rxq, PREF_UNIT_CTRL), PREF_UNIT_RST_SET); |
Stephen Hemminger | 50432cb | 2007-05-14 12:38:15 -0700 | [diff] [blame] | 1079 | mmiowb(); |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1080 | } |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1081 | |
shemminger@osdl.org | d571b69 | 2005-10-26 12:16:09 -0700 | [diff] [blame] | 1082 | /* Clean out receive buffer area, assumes receiver hardware stopped */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1083 | static void sky2_rx_clean(struct sky2_port *sky2) |
| 1084 | { |
| 1085 | unsigned i; |
| 1086 | |
| 1087 | memset(sky2->rx_le, 0, RX_LE_BYTES); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1088 | for (i = 0; i < sky2->rx_pending; i++) { |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1089 | struct rx_ring_info *re = sky2->rx_ring + i; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1090 | |
| 1091 | if (re->skb) { |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1092 | sky2_rx_unmap_skb(sky2->hw->pdev, re); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1093 | kfree_skb(re->skb); |
| 1094 | re->skb = NULL; |
| 1095 | } |
| 1096 | } |
| 1097 | } |
| 1098 | |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 1099 | /* Basic MII support */ |
| 1100 | static int sky2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) |
| 1101 | { |
| 1102 | struct mii_ioctl_data *data = if_mii(ifr); |
| 1103 | struct sky2_port *sky2 = netdev_priv(dev); |
| 1104 | struct sky2_hw *hw = sky2->hw; |
| 1105 | int err = -EOPNOTSUPP; |
| 1106 | |
| 1107 | if (!netif_running(dev)) |
| 1108 | return -ENODEV; /* Phy still in reset */ |
| 1109 | |
Stephen Hemminger | d89e134 | 2006-03-20 15:48:20 -0800 | [diff] [blame] | 1110 | switch (cmd) { |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 1111 | case SIOCGMIIPHY: |
| 1112 | data->phy_id = PHY_ADDR_MARV; |
| 1113 | |
| 1114 | /* fallthru */ |
| 1115 | case SIOCGMIIREG: { |
| 1116 | u16 val = 0; |
Stephen Hemminger | 91c86df | 2005-12-09 11:34:57 -0800 | [diff] [blame] | 1117 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1118 | spin_lock_bh(&sky2->phy_lock); |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 1119 | err = __gm_phy_read(hw, sky2->port, data->reg_num & 0x1f, &val); |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1120 | spin_unlock_bh(&sky2->phy_lock); |
Stephen Hemminger | 91c86df | 2005-12-09 11:34:57 -0800 | [diff] [blame] | 1121 | |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 1122 | data->val_out = val; |
| 1123 | break; |
| 1124 | } |
| 1125 | |
| 1126 | case SIOCSMIIREG: |
| 1127 | if (!capable(CAP_NET_ADMIN)) |
| 1128 | return -EPERM; |
| 1129 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1130 | spin_lock_bh(&sky2->phy_lock); |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 1131 | err = gm_phy_write(hw, sky2->port, data->reg_num & 0x1f, |
| 1132 | data->val_in); |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1133 | spin_unlock_bh(&sky2->phy_lock); |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 1134 | break; |
| 1135 | } |
| 1136 | return err; |
| 1137 | } |
| 1138 | |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 1139 | #ifdef SKY2_VLAN_TAG_USED |
| 1140 | static void sky2_vlan_rx_register(struct net_device *dev, struct vlan_group *grp) |
| 1141 | { |
| 1142 | struct sky2_port *sky2 = netdev_priv(dev); |
| 1143 | struct sky2_hw *hw = sky2->hw; |
| 1144 | u16 port = sky2->port; |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 1145 | |
Stephen Hemminger | 2bb8c26 | 2006-09-26 11:57:42 -0700 | [diff] [blame] | 1146 | netif_tx_lock_bh(dev); |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 1147 | napi_disable(&hw->napi); |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 1148 | |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 1149 | sky2->vlgrp = grp; |
Stephen Hemminger | 3d4e66f | 2007-06-01 09:43:58 -0700 | [diff] [blame] | 1150 | if (grp) { |
| 1151 | sky2_write32(hw, SK_REG(port, RX_GMF_CTRL_T), |
| 1152 | RX_VLAN_STRIP_ON); |
| 1153 | sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), |
| 1154 | TX_VLAN_TAG_ON); |
| 1155 | } else { |
| 1156 | sky2_write32(hw, SK_REG(port, RX_GMF_CTRL_T), |
| 1157 | RX_VLAN_STRIP_OFF); |
| 1158 | sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), |
| 1159 | TX_VLAN_TAG_OFF); |
| 1160 | } |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 1161 | |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 1162 | napi_enable(&hw->napi); |
Stephen Hemminger | 2bb8c26 | 2006-09-26 11:57:42 -0700 | [diff] [blame] | 1163 | netif_tx_unlock_bh(dev); |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 1164 | } |
| 1165 | #endif |
| 1166 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1167 | /* |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1168 | * Allocate an skb for receiving. If the MTU is large enough |
| 1169 | * make the skb non-linear with a fragment list of pages. |
| 1170 | * |
Stephen Hemminger | 82788c7 | 2006-01-17 13:43:10 -0800 | [diff] [blame] | 1171 | * It appears the hardware has a bug in the FIFO logic that |
| 1172 | * cause it to hang if the FIFO gets overrun and the receive buffer |
shemminger@osdl.org | 497d7c8 | 2006-08-28 10:00:46 -0700 | [diff] [blame] | 1173 | * is not 64 byte aligned. The buffer returned from netdev_alloc_skb is |
| 1174 | * aligned except if slab debugging is enabled. |
Stephen Hemminger | 82788c7 | 2006-01-17 13:43:10 -0800 | [diff] [blame] | 1175 | */ |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1176 | static struct sk_buff *sky2_rx_alloc(struct sky2_port *sky2) |
Stephen Hemminger | 82788c7 | 2006-01-17 13:43:10 -0800 | [diff] [blame] | 1177 | { |
| 1178 | struct sk_buff *skb; |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1179 | unsigned long p; |
| 1180 | int i; |
Stephen Hemminger | 82788c7 | 2006-01-17 13:43:10 -0800 | [diff] [blame] | 1181 | |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1182 | skb = netdev_alloc_skb(sky2->netdev, sky2->rx_data_size + RX_SKB_ALIGN); |
| 1183 | if (!skb) |
| 1184 | goto nomem; |
| 1185 | |
| 1186 | p = (unsigned long) skb->data; |
| 1187 | skb_reserve(skb, ALIGN(p, RX_SKB_ALIGN) - p); |
| 1188 | |
| 1189 | for (i = 0; i < sky2->rx_nfrags; i++) { |
| 1190 | struct page *page = alloc_page(GFP_ATOMIC); |
| 1191 | |
| 1192 | if (!page) |
| 1193 | goto free_partial; |
| 1194 | skb_fill_page_desc(skb, i, page, 0, PAGE_SIZE); |
Stephen Hemminger | 82788c7 | 2006-01-17 13:43:10 -0800 | [diff] [blame] | 1195 | } |
| 1196 | |
| 1197 | return skb; |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1198 | free_partial: |
| 1199 | kfree_skb(skb); |
| 1200 | nomem: |
| 1201 | return NULL; |
Stephen Hemminger | 82788c7 | 2006-01-17 13:43:10 -0800 | [diff] [blame] | 1202 | } |
| 1203 | |
Stephen Hemminger | 55c9dd3 | 2007-07-09 15:33:37 -0700 | [diff] [blame] | 1204 | static inline void sky2_rx_update(struct sky2_port *sky2, unsigned rxq) |
| 1205 | { |
| 1206 | sky2_put_idx(sky2->hw, rxq, sky2->rx_put); |
| 1207 | } |
| 1208 | |
Stephen Hemminger | 82788c7 | 2006-01-17 13:43:10 -0800 | [diff] [blame] | 1209 | /* |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1210 | * Allocate and setup receiver buffer pool. |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1211 | * Normal case this ends up creating one list element for skb |
| 1212 | * in the receive ring. Worst case if using large MTU and each |
| 1213 | * allocation falls on a different 64 bit region, that results |
| 1214 | * in 6 list elements per ring entry. |
| 1215 | * One element is used for checksum enable/disable, and one |
| 1216 | * extra to avoid wrap. |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1217 | */ |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1218 | static int sky2_rx_start(struct sky2_port *sky2) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1219 | { |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1220 | struct sky2_hw *hw = sky2->hw; |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1221 | struct rx_ring_info *re; |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1222 | unsigned rxq = rxqaddr[sky2->port]; |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1223 | unsigned i, size, space, thresh; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1224 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1225 | sky2->rx_put = sky2->rx_next = 0; |
shemminger@osdl.org | af4ed7e | 2005-11-30 11:45:21 -0800 | [diff] [blame] | 1226 | sky2_qset(hw, rxq); |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 1227 | |
Stephen Hemminger | c3905bc | 2006-12-04 17:08:19 -0800 | [diff] [blame] | 1228 | /* On PCI express lowering the watermark gives better performance */ |
| 1229 | if (pci_find_capability(hw->pdev, PCI_CAP_ID_EXP)) |
| 1230 | sky2_write32(hw, Q_ADDR(rxq, Q_WM), BMU_WM_PEX); |
| 1231 | |
| 1232 | /* These chips have no ram buffer? |
| 1233 | * MAC Rx RAM Read is controlled by hardware */ |
Stephen Hemminger | 8df9a87 | 2006-12-01 14:29:35 -0800 | [diff] [blame] | 1234 | if (hw->chip_id == CHIP_ID_YUKON_EC_U && |
Stephen Hemminger | c3905bc | 2006-12-04 17:08:19 -0800 | [diff] [blame] | 1235 | (hw->chip_rev == CHIP_REV_YU_EC_U_A1 |
| 1236 | || hw->chip_rev == CHIP_REV_YU_EC_U_B0)) |
Stephen Hemminger | f449c7c | 2007-06-04 17:23:23 -0700 | [diff] [blame] | 1237 | sky2_write32(hw, Q_ADDR(rxq, Q_TEST), F_M_RX_RAM_DIS); |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 1238 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1239 | sky2_prefetch_init(hw, rxq, sky2->rx_le_map, RX_LE_SIZE - 1); |
| 1240 | |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 1241 | if (!(hw->flags & SKY2_HW_NEW_LE)) |
| 1242 | rx_set_checksum(sky2); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1243 | |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1244 | /* Space needed for frame data + headers rounded up */ |
Stephen Hemminger | f957da2 | 2007-07-09 15:33:41 -0700 | [diff] [blame] | 1245 | size = roundup(sky2->netdev->mtu + ETH_HLEN + VLAN_HLEN, 8); |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1246 | |
| 1247 | /* Stopping point for hardware truncation */ |
| 1248 | thresh = (size - 8) / sizeof(u32); |
| 1249 | |
| 1250 | /* Account for overhead of skb - to avoid order > 0 allocation */ |
| 1251 | space = SKB_DATA_ALIGN(size) + NET_SKB_PAD |
| 1252 | + sizeof(struct skb_shared_info); |
| 1253 | |
| 1254 | sky2->rx_nfrags = space >> PAGE_SHIFT; |
| 1255 | BUG_ON(sky2->rx_nfrags > ARRAY_SIZE(re->frag_addr)); |
| 1256 | |
| 1257 | if (sky2->rx_nfrags != 0) { |
| 1258 | /* Compute residue after pages */ |
| 1259 | space = sky2->rx_nfrags << PAGE_SHIFT; |
| 1260 | |
| 1261 | if (space < size) |
| 1262 | size -= space; |
| 1263 | else |
| 1264 | size = 0; |
| 1265 | |
| 1266 | /* Optimize to handle small packets and headers */ |
| 1267 | if (size < copybreak) |
| 1268 | size = copybreak; |
| 1269 | if (size < ETH_HLEN) |
| 1270 | size = ETH_HLEN; |
| 1271 | } |
| 1272 | sky2->rx_data_size = size; |
| 1273 | |
| 1274 | /* Fill Rx ring */ |
| 1275 | for (i = 0; i < sky2->rx_pending; i++) { |
| 1276 | re = sky2->rx_ring + i; |
| 1277 | |
| 1278 | re->skb = sky2_rx_alloc(sky2); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1279 | if (!re->skb) |
| 1280 | goto nomem; |
| 1281 | |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1282 | sky2_rx_map_skb(hw->pdev, re, sky2->rx_data_size); |
| 1283 | sky2_rx_submit(sky2, re); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1284 | } |
| 1285 | |
Stephen Hemminger | a1433ac | 2006-05-22 12:03:42 -0700 | [diff] [blame] | 1286 | /* |
| 1287 | * The receiver hangs if it receives frames larger than the |
| 1288 | * packet buffer. As a workaround, truncate oversize frames, but |
| 1289 | * the register is limited to 9 bits, so if you do frames > 2052 |
| 1290 | * you better get the MTU right! |
| 1291 | */ |
Stephen Hemminger | a1433ac | 2006-05-22 12:03:42 -0700 | [diff] [blame] | 1292 | if (thresh > 0x1ff) |
| 1293 | sky2_write32(hw, SK_REG(sky2->port, RX_GMF_CTRL_T), RX_TRUNC_OFF); |
| 1294 | else { |
| 1295 | sky2_write16(hw, SK_REG(sky2->port, RX_GMF_TR_THR), thresh); |
| 1296 | sky2_write32(hw, SK_REG(sky2->port, RX_GMF_CTRL_T), RX_TRUNC_ON); |
| 1297 | } |
| 1298 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1299 | /* Tell chip about available buffers */ |
Stephen Hemminger | 55c9dd3 | 2007-07-09 15:33:37 -0700 | [diff] [blame] | 1300 | sky2_rx_update(sky2, rxq); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1301 | return 0; |
| 1302 | nomem: |
| 1303 | sky2_rx_clean(sky2); |
| 1304 | return -ENOMEM; |
| 1305 | } |
| 1306 | |
| 1307 | /* Bring up network interface. */ |
| 1308 | static int sky2_up(struct net_device *dev) |
| 1309 | { |
| 1310 | struct sky2_port *sky2 = netdev_priv(dev); |
| 1311 | struct sky2_hw *hw = sky2->hw; |
| 1312 | unsigned port = sky2->port; |
Stephen Hemminger | e0c2811 | 2007-09-20 13:03:49 -0700 | [diff] [blame] | 1313 | u32 imask, ramsize; |
Stephen Hemminger | ee7abb0 | 2006-05-18 11:16:21 -0700 | [diff] [blame] | 1314 | int cap, err = -ENOMEM; |
Stephen Hemminger | 843a46f | 2006-05-11 15:07:28 -0700 | [diff] [blame] | 1315 | struct net_device *otherdev = hw->dev[sky2->port^1]; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1316 | |
Stephen Hemminger | ee7abb0 | 2006-05-18 11:16:21 -0700 | [diff] [blame] | 1317 | /* |
| 1318 | * On dual port PCI-X card, there is an problem where status |
| 1319 | * can be received out of order due to split transactions |
Stephen Hemminger | 843a46f | 2006-05-11 15:07:28 -0700 | [diff] [blame] | 1320 | */ |
Stephen Hemminger | ee7abb0 | 2006-05-18 11:16:21 -0700 | [diff] [blame] | 1321 | if (otherdev && netif_running(otherdev) && |
| 1322 | (cap = pci_find_capability(hw->pdev, PCI_CAP_ID_PCIX))) { |
| 1323 | struct sky2_port *osky2 = netdev_priv(otherdev); |
| 1324 | u16 cmd; |
Stephen Hemminger | 843a46f | 2006-05-11 15:07:28 -0700 | [diff] [blame] | 1325 | |
Stephen Hemminger | 167f53d | 2007-09-25 19:01:02 -0700 | [diff] [blame] | 1326 | pci_read_config_word(hw->pdev, cap + PCI_X_CMD, &cmd); |
Stephen Hemminger | ee7abb0 | 2006-05-18 11:16:21 -0700 | [diff] [blame] | 1327 | cmd &= ~PCI_X_CMD_MAX_SPLIT; |
Stephen Hemminger | 167f53d | 2007-09-25 19:01:02 -0700 | [diff] [blame] | 1328 | pci_write_config_word(hw->pdev, cap + PCI_X_CMD, cmd); |
Stephen Hemminger | ee7abb0 | 2006-05-18 11:16:21 -0700 | [diff] [blame] | 1329 | |
| 1330 | sky2->rx_csum = 0; |
| 1331 | osky2->rx_csum = 0; |
| 1332 | } |
| 1333 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1334 | if (netif_msg_ifup(sky2)) |
| 1335 | printk(KERN_INFO PFX "%s: enabling interface\n", dev->name); |
| 1336 | |
Stephen Hemminger | 55d7b4e | 2007-07-09 15:33:34 -0700 | [diff] [blame] | 1337 | netif_carrier_off(dev); |
| 1338 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1339 | /* must be power of 2 */ |
| 1340 | sky2->tx_le = pci_alloc_consistent(hw->pdev, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1341 | TX_RING_SIZE * |
| 1342 | sizeof(struct sky2_tx_le), |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1343 | &sky2->tx_le_map); |
| 1344 | if (!sky2->tx_le) |
| 1345 | goto err_out; |
| 1346 | |
Stephen Hemminger | 6cdbbdf | 2005-12-09 11:35:01 -0800 | [diff] [blame] | 1347 | sky2->tx_ring = kcalloc(TX_RING_SIZE, sizeof(struct tx_ring_info), |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1348 | GFP_KERNEL); |
| 1349 | if (!sky2->tx_ring) |
| 1350 | goto err_out; |
Stephen Hemminger | 88f5f0c | 2007-09-27 12:38:12 -0700 | [diff] [blame] | 1351 | |
| 1352 | tx_init(sky2); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1353 | |
| 1354 | sky2->rx_le = pci_alloc_consistent(hw->pdev, RX_LE_BYTES, |
| 1355 | &sky2->rx_le_map); |
| 1356 | if (!sky2->rx_le) |
| 1357 | goto err_out; |
| 1358 | memset(sky2->rx_le, 0, RX_LE_BYTES); |
| 1359 | |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1360 | sky2->rx_ring = kcalloc(sky2->rx_pending, sizeof(struct rx_ring_info), |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1361 | GFP_KERNEL); |
| 1362 | if (!sky2->rx_ring) |
| 1363 | goto err_out; |
| 1364 | |
shemminger@osdl.org | d3bcfbe | 2006-08-28 10:00:51 -0700 | [diff] [blame] | 1365 | sky2_phy_power(hw, port, 1); |
| 1366 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1367 | sky2_mac_init(hw, port); |
| 1368 | |
Stephen Hemminger | e0c2811 | 2007-09-20 13:03:49 -0700 | [diff] [blame] | 1369 | /* Register is number of 4K blocks on internal RAM buffer. */ |
| 1370 | ramsize = sky2_read8(hw, B2_E_0) * 4; |
| 1371 | if (ramsize > 0) { |
Stephen Hemminger | 6771290 | 2006-12-04 15:53:45 -0800 | [diff] [blame] | 1372 | u32 rxspace; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1373 | |
Stephen Hemminger | e0c2811 | 2007-09-20 13:03:49 -0700 | [diff] [blame] | 1374 | pr_debug(PFX "%s: ram buffer %dK\n", dev->name, ramsize); |
Stephen Hemminger | 6771290 | 2006-12-04 15:53:45 -0800 | [diff] [blame] | 1375 | if (ramsize < 16) |
| 1376 | rxspace = ramsize / 2; |
| 1377 | else |
| 1378 | rxspace = 8 + (2*(ramsize - 16))/3; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1379 | |
Stephen Hemminger | 6771290 | 2006-12-04 15:53:45 -0800 | [diff] [blame] | 1380 | sky2_ramset(hw, rxqaddr[port], 0, rxspace); |
| 1381 | sky2_ramset(hw, txqaddr[port], rxspace, ramsize - rxspace); |
| 1382 | |
| 1383 | /* Make sure SyncQ is disabled */ |
| 1384 | sky2_write8(hw, RB_ADDR(port == 0 ? Q_XS1 : Q_XS2, RB_CTRL), |
| 1385 | RB_RST_SET); |
| 1386 | } |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1387 | |
shemminger@osdl.org | af4ed7e | 2005-11-30 11:45:21 -0800 | [diff] [blame] | 1388 | sky2_qset(hw, txqaddr[port]); |
shemminger@osdl.org | 5a5b1ea | 2005-11-30 11:45:15 -0800 | [diff] [blame] | 1389 | |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 1390 | /* This is copied from sk98lin 10.0.5.3; no one tells me about erratta's */ |
| 1391 | if (hw->chip_id == CHIP_ID_YUKON_EX && hw->chip_rev == CHIP_REV_YU_EX_B0) |
| 1392 | sky2_write32(hw, Q_ADDR(txqaddr[port], Q_TEST), F_TX_CHK_AUTO_OFF); |
| 1393 | |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 1394 | /* Set almost empty threshold */ |
Stephen Hemminger | c2716fb | 2006-09-26 11:57:39 -0700 | [diff] [blame] | 1395 | if (hw->chip_id == CHIP_ID_YUKON_EC_U |
| 1396 | && hw->chip_rev == CHIP_REV_YU_EC_U_A0) |
Stephen Hemminger | b628ed9 | 2007-04-11 14:48:01 -0700 | [diff] [blame] | 1397 | sky2_write16(hw, Q_ADDR(txqaddr[port], Q_AL), ECU_TXFF_LEV); |
shemminger@osdl.org | 5a5b1ea | 2005-11-30 11:45:15 -0800 | [diff] [blame] | 1398 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1399 | sky2_prefetch_init(hw, txqaddr[port], sky2->tx_le_map, |
| 1400 | TX_RING_SIZE - 1); |
| 1401 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1402 | err = sky2_rx_start(sky2); |
Stephen Hemminger | 6de1623 | 2007-10-17 13:26:42 -0700 | [diff] [blame] | 1403 | if (err) |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1404 | goto err_out; |
| 1405 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1406 | /* Enable interrupts from phy/mac for port */ |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1407 | imask = sky2_read32(hw, B0_IMSK); |
Stephen Hemminger | f4ea431 | 2006-05-09 14:46:54 -0700 | [diff] [blame] | 1408 | imask |= portirq_msk[port]; |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1409 | sky2_write32(hw, B0_IMSK, imask); |
| 1410 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1411 | return 0; |
| 1412 | |
| 1413 | err_out: |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 1414 | if (sky2->rx_le) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1415 | pci_free_consistent(hw->pdev, RX_LE_BYTES, |
| 1416 | sky2->rx_le, sky2->rx_le_map); |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 1417 | sky2->rx_le = NULL; |
| 1418 | } |
| 1419 | if (sky2->tx_le) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1420 | pci_free_consistent(hw->pdev, |
| 1421 | TX_RING_SIZE * sizeof(struct sky2_tx_le), |
| 1422 | sky2->tx_le, sky2->tx_le_map); |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 1423 | sky2->tx_le = NULL; |
| 1424 | } |
| 1425 | kfree(sky2->tx_ring); |
| 1426 | kfree(sky2->rx_ring); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1427 | |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 1428 | sky2->tx_ring = NULL; |
| 1429 | sky2->rx_ring = NULL; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1430 | return err; |
| 1431 | } |
| 1432 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1433 | /* Modular subtraction in ring */ |
| 1434 | static inline int tx_dist(unsigned tail, unsigned head) |
| 1435 | { |
Stephen Hemminger | cb5d954 | 2006-05-08 15:11:29 -0700 | [diff] [blame] | 1436 | return (head - tail) & (TX_RING_SIZE - 1); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1437 | } |
| 1438 | |
| 1439 | /* Number of list elements available for next tx */ |
| 1440 | static inline int tx_avail(const struct sky2_port *sky2) |
| 1441 | { |
| 1442 | return sky2->tx_pending - tx_dist(sky2->tx_cons, sky2->tx_prod); |
| 1443 | } |
| 1444 | |
| 1445 | /* Estimate of number of transmit list elements required */ |
Stephen Hemminger | 28bd181 | 2006-01-17 13:43:19 -0800 | [diff] [blame] | 1446 | static unsigned tx_le_req(const struct sk_buff *skb) |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1447 | { |
| 1448 | unsigned count; |
| 1449 | |
| 1450 | count = sizeof(dma_addr_t) / sizeof(u32); |
| 1451 | count += skb_shinfo(skb)->nr_frags * count; |
| 1452 | |
Herbert Xu | 89114af | 2006-07-08 13:34:32 -0700 | [diff] [blame] | 1453 | if (skb_is_gso(skb)) |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1454 | ++count; |
| 1455 | |
Patrick McHardy | 84fa793 | 2006-08-29 16:44:56 -0700 | [diff] [blame] | 1456 | if (skb->ip_summed == CHECKSUM_PARTIAL) |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1457 | ++count; |
| 1458 | |
| 1459 | return count; |
| 1460 | } |
| 1461 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1462 | /* |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1463 | * Put one packet in ring for transmit. |
| 1464 | * A single packet can generate multiple list elements, and |
| 1465 | * the number of ring elements will probably be less than the number |
| 1466 | * of list elements used. |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1467 | */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1468 | static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev) |
| 1469 | { |
| 1470 | struct sky2_port *sky2 = netdev_priv(dev); |
| 1471 | struct sky2_hw *hw = sky2->hw; |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 1472 | struct sky2_tx_le *le = NULL; |
Stephen Hemminger | 6cdbbdf | 2005-12-09 11:35:01 -0800 | [diff] [blame] | 1473 | struct tx_ring_info *re; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1474 | unsigned i, len; |
| 1475 | dma_addr_t mapping; |
| 1476 | u32 addr64; |
| 1477 | u16 mss; |
| 1478 | u8 ctrl; |
| 1479 | |
Stephen Hemminger | 2bb8c26 | 2006-09-26 11:57:42 -0700 | [diff] [blame] | 1480 | if (unlikely(tx_avail(sky2) < tx_le_req(skb))) |
| 1481 | return NETDEV_TX_BUSY; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1482 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1483 | if (unlikely(netif_msg_tx_queued(sky2))) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1484 | printk(KERN_DEBUG "%s: tx queued, slot %u, len %d\n", |
| 1485 | dev->name, sky2->tx_prod, skb->len); |
| 1486 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1487 | len = skb_headlen(skb); |
| 1488 | mapping = pci_map_single(hw->pdev, skb->data, len, PCI_DMA_TODEVICE); |
Stephen Hemminger | 36eb0c7 | 2007-07-09 15:33:42 -0700 | [diff] [blame] | 1489 | addr64 = upper_32_bits(mapping); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1490 | |
shemminger@osdl.org | a018e33 | 2005-11-30 11:45:16 -0800 | [diff] [blame] | 1491 | /* Send high bits if changed or crosses boundary */ |
Stephen Hemminger | 36eb0c7 | 2007-07-09 15:33:42 -0700 | [diff] [blame] | 1492 | if (addr64 != sky2->tx_addr64 || |
| 1493 | upper_32_bits(mapping + len) != sky2->tx_addr64) { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1494 | le = get_tx_le(sky2); |
Stephen Hemminger | f65b138 | 2006-09-06 12:45:02 -0700 | [diff] [blame] | 1495 | le->addr = cpu_to_le32(addr64); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1496 | le->opcode = OP_ADDR64 | HW_OWNER; |
Stephen Hemminger | 36eb0c7 | 2007-07-09 15:33:42 -0700 | [diff] [blame] | 1497 | sky2->tx_addr64 = upper_32_bits(mapping + len); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1498 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1499 | |
| 1500 | /* Check for TCP Segmentation Offload */ |
Herbert Xu | 7967168 | 2006-06-22 02:40:14 -0700 | [diff] [blame] | 1501 | mss = skb_shinfo(skb)->gso_size; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1502 | if (mss != 0) { |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 1503 | |
| 1504 | if (!(hw->flags & SKY2_HW_NEW_LE)) |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 1505 | mss += ETH_HLEN + ip_hdrlen(skb) + tcp_hdrlen(skb); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1506 | |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 1507 | if (mss != sky2->tx_last_mss) { |
| 1508 | le = get_tx_le(sky2); |
| 1509 | le->addr = cpu_to_le32(mss); |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 1510 | |
| 1511 | if (hw->flags & SKY2_HW_NEW_LE) |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 1512 | le->opcode = OP_MSS | HW_OWNER; |
| 1513 | else |
| 1514 | le->opcode = OP_LRGLEN | HW_OWNER; |
shemminger@osdl.org | e07560c | 2006-08-28 10:00:49 -0700 | [diff] [blame] | 1515 | sky2->tx_last_mss = mss; |
| 1516 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1517 | } |
| 1518 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1519 | ctrl = 0; |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 1520 | #ifdef SKY2_VLAN_TAG_USED |
| 1521 | /* Add VLAN tag, can piggyback on LRGLEN or ADDR64 */ |
| 1522 | if (sky2->vlgrp && vlan_tx_tag_present(skb)) { |
| 1523 | if (!le) { |
| 1524 | le = get_tx_le(sky2); |
Stephen Hemminger | f65b138 | 2006-09-06 12:45:02 -0700 | [diff] [blame] | 1525 | le->addr = 0; |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 1526 | le->opcode = OP_VLAN|HW_OWNER; |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 1527 | } else |
| 1528 | le->opcode |= OP_VLAN; |
| 1529 | le->length = cpu_to_be16(vlan_tx_tag_get(skb)); |
| 1530 | ctrl |= INS_VLAN; |
| 1531 | } |
| 1532 | #endif |
| 1533 | |
| 1534 | /* Handle TCP checksum offload */ |
Patrick McHardy | 84fa793 | 2006-08-29 16:44:56 -0700 | [diff] [blame] | 1535 | if (skb->ip_summed == CHECKSUM_PARTIAL) { |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 1536 | /* On Yukon EX (some versions) encoding change. */ |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 1537 | if (hw->flags & SKY2_HW_AUTO_TX_SUM) |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 1538 | ctrl |= CALSUM; /* auto checksum */ |
| 1539 | else { |
| 1540 | const unsigned offset = skb_transport_offset(skb); |
| 1541 | u32 tcpsum; |
Stephen Hemminger | f65b138 | 2006-09-06 12:45:02 -0700 | [diff] [blame] | 1542 | |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 1543 | tcpsum = offset << 16; /* sum start */ |
| 1544 | tcpsum |= offset + skb->csum_offset; /* sum write */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1545 | |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 1546 | ctrl |= CALSUM | WR_SUM | INIT_SUM | LOCK_SUM; |
| 1547 | if (ip_hdr(skb)->protocol == IPPROTO_UDP) |
| 1548 | ctrl |= UDPTCP; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1549 | |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 1550 | if (tcpsum != sky2->tx_tcpsum) { |
| 1551 | sky2->tx_tcpsum = tcpsum; |
shemminger@osdl.org | 1d17933 | 2006-08-28 10:00:50 -0700 | [diff] [blame] | 1552 | |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 1553 | le = get_tx_le(sky2); |
| 1554 | le->addr = cpu_to_le32(tcpsum); |
| 1555 | le->length = 0; /* initial checksum value */ |
| 1556 | le->ctrl = 1; /* one packet */ |
| 1557 | le->opcode = OP_TCPLISW | HW_OWNER; |
| 1558 | } |
shemminger@osdl.org | 1d17933 | 2006-08-28 10:00:50 -0700 | [diff] [blame] | 1559 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1560 | } |
| 1561 | |
| 1562 | le = get_tx_le(sky2); |
Stephen Hemminger | f65b138 | 2006-09-06 12:45:02 -0700 | [diff] [blame] | 1563 | le->addr = cpu_to_le32((u32) mapping); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1564 | le->length = cpu_to_le16(len); |
| 1565 | le->ctrl = ctrl; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1566 | le->opcode = mss ? (OP_LARGESEND | HW_OWNER) : (OP_PACKET | HW_OWNER); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1567 | |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1568 | re = tx_le_re(sky2, le); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1569 | re->skb = skb; |
Stephen Hemminger | 6cdbbdf | 2005-12-09 11:35:01 -0800 | [diff] [blame] | 1570 | pci_unmap_addr_set(re, mapaddr, mapping); |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1571 | pci_unmap_len_set(re, maplen, len); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1572 | |
| 1573 | for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1574 | const skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1575 | |
| 1576 | mapping = pci_map_page(hw->pdev, frag->page, frag->page_offset, |
| 1577 | frag->size, PCI_DMA_TODEVICE); |
Stephen Hemminger | 36eb0c7 | 2007-07-09 15:33:42 -0700 | [diff] [blame] | 1578 | addr64 = upper_32_bits(mapping); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1579 | if (addr64 != sky2->tx_addr64) { |
| 1580 | le = get_tx_le(sky2); |
Stephen Hemminger | f65b138 | 2006-09-06 12:45:02 -0700 | [diff] [blame] | 1581 | le->addr = cpu_to_le32(addr64); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1582 | le->ctrl = 0; |
| 1583 | le->opcode = OP_ADDR64 | HW_OWNER; |
| 1584 | sky2->tx_addr64 = addr64; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1585 | } |
| 1586 | |
| 1587 | le = get_tx_le(sky2); |
Stephen Hemminger | f65b138 | 2006-09-06 12:45:02 -0700 | [diff] [blame] | 1588 | le->addr = cpu_to_le32((u32) mapping); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1589 | le->length = cpu_to_le16(frag->size); |
| 1590 | le->ctrl = ctrl; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1591 | le->opcode = OP_BUFFER | HW_OWNER; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1592 | |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1593 | re = tx_le_re(sky2, le); |
| 1594 | re->skb = skb; |
| 1595 | pci_unmap_addr_set(re, mapaddr, mapping); |
| 1596 | pci_unmap_len_set(re, maplen, frag->size); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1597 | } |
Stephen Hemminger | 6cdbbdf | 2005-12-09 11:35:01 -0800 | [diff] [blame] | 1598 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1599 | le->ctrl |= EOP; |
| 1600 | |
shemminger@osdl.org | 97bda70 | 2006-08-28 10:00:47 -0700 | [diff] [blame] | 1601 | if (tx_avail(sky2) <= MAX_SKB_TX_LE) |
| 1602 | netif_stop_queue(dev); |
Stephen Hemminger | b19666d | 2006-03-07 11:06:36 -0800 | [diff] [blame] | 1603 | |
Stephen Hemminger | 290d4de | 2006-03-20 15:48:15 -0800 | [diff] [blame] | 1604 | sky2_put_idx(hw, txqaddr[sky2->port], sky2->tx_prod); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1605 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1606 | dev->trans_start = jiffies; |
| 1607 | return NETDEV_TX_OK; |
| 1608 | } |
| 1609 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1610 | /* |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1611 | * Free ring elements from starting at tx_cons until "done" |
| 1612 | * |
| 1613 | * NB: the hardware will tell us about partial completion of multi-part |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1614 | * buffers so make sure not to free skb to early. |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1615 | */ |
shemminger@osdl.org | d11c13e | 2005-09-27 15:02:56 -0700 | [diff] [blame] | 1616 | static void sky2_tx_complete(struct sky2_port *sky2, u16 done) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1617 | { |
shemminger@osdl.org | d11c13e | 2005-09-27 15:02:56 -0700 | [diff] [blame] | 1618 | struct net_device *dev = sky2->netdev; |
Stephen Hemminger | af2a58a | 2005-12-09 11:35:04 -0800 | [diff] [blame] | 1619 | struct pci_dev *pdev = sky2->hw->pdev; |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1620 | unsigned idx; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1621 | |
Stephen Hemminger | 0e3ff6a | 2005-12-09 11:35:02 -0800 | [diff] [blame] | 1622 | BUG_ON(done >= TX_RING_SIZE); |
shemminger@osdl.org | 2224795 | 2005-11-30 11:45:19 -0800 | [diff] [blame] | 1623 | |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1624 | for (idx = sky2->tx_cons; idx != done; |
| 1625 | idx = RING_NEXT(idx, TX_RING_SIZE)) { |
| 1626 | struct sky2_tx_le *le = sky2->tx_le + idx; |
| 1627 | struct tx_ring_info *re = sky2->tx_ring + idx; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1628 | |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1629 | switch(le->opcode & ~HW_OWNER) { |
| 1630 | case OP_LARGESEND: |
| 1631 | case OP_PACKET: |
| 1632 | pci_unmap_single(pdev, |
| 1633 | pci_unmap_addr(re, mapaddr), |
| 1634 | pci_unmap_len(re, maplen), |
| 1635 | PCI_DMA_TODEVICE); |
Stephen Hemminger | af2a58a | 2005-12-09 11:35:04 -0800 | [diff] [blame] | 1636 | break; |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1637 | case OP_BUFFER: |
| 1638 | pci_unmap_page(pdev, pci_unmap_addr(re, mapaddr), |
| 1639 | pci_unmap_len(re, maplen), |
Stephen Hemminger | 734d186 | 2005-12-09 11:35:00 -0800 | [diff] [blame] | 1640 | PCI_DMA_TODEVICE); |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1641 | break; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1642 | } |
| 1643 | |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1644 | if (le->ctrl & EOP) { |
| 1645 | if (unlikely(netif_msg_tx_done(sky2))) |
| 1646 | printk(KERN_DEBUG "%s: tx done %u\n", |
| 1647 | dev->name, idx); |
Stephen Hemminger | 3cf2675 | 2007-07-09 15:33:35 -0700 | [diff] [blame] | 1648 | |
Stephen Hemminger | 7138a0f | 2007-10-11 19:48:22 -0700 | [diff] [blame] | 1649 | dev->stats.tx_packets++; |
| 1650 | dev->stats.tx_bytes += re->skb->len; |
shemminger@linux-foundation.org | 2bf56fe | 2007-01-26 11:38:39 -0800 | [diff] [blame] | 1651 | |
Stephen Hemminger | 794b2bd | 2006-12-01 14:29:36 -0800 | [diff] [blame] | 1652 | dev_kfree_skb_any(re->skb); |
Stephen Hemminger | 3cf2675 | 2007-07-09 15:33:35 -0700 | [diff] [blame] | 1653 | sky2->tx_next = RING_NEXT(idx, TX_RING_SIZE); |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1654 | } |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1655 | } |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1656 | |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1657 | sky2->tx_cons = idx; |
Stephen Hemminger | 50432cb | 2007-05-14 12:38:15 -0700 | [diff] [blame] | 1658 | smp_mb(); |
| 1659 | |
Stephen Hemminger | 22e1170 | 2006-07-12 15:23:48 -0700 | [diff] [blame] | 1660 | if (tx_avail(sky2) > MAX_SKB_TX_LE + 4) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1661 | netif_wake_queue(dev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1662 | } |
| 1663 | |
| 1664 | /* Cleanup all untransmitted buffers, assume transmitter not running */ |
Stephen Hemminger | 2bb8c26 | 2006-09-26 11:57:42 -0700 | [diff] [blame] | 1665 | static void sky2_tx_clean(struct net_device *dev) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1666 | { |
Stephen Hemminger | 2bb8c26 | 2006-09-26 11:57:42 -0700 | [diff] [blame] | 1667 | struct sky2_port *sky2 = netdev_priv(dev); |
| 1668 | |
| 1669 | netif_tx_lock_bh(dev); |
shemminger@osdl.org | d11c13e | 2005-09-27 15:02:56 -0700 | [diff] [blame] | 1670 | sky2_tx_complete(sky2, sky2->tx_prod); |
Stephen Hemminger | 2bb8c26 | 2006-09-26 11:57:42 -0700 | [diff] [blame] | 1671 | netif_tx_unlock_bh(dev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1672 | } |
| 1673 | |
| 1674 | /* Network shutdown */ |
| 1675 | static int sky2_down(struct net_device *dev) |
| 1676 | { |
| 1677 | struct sky2_port *sky2 = netdev_priv(dev); |
| 1678 | struct sky2_hw *hw = sky2->hw; |
| 1679 | unsigned port = sky2->port; |
| 1680 | u16 ctrl; |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1681 | u32 imask; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1682 | |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 1683 | /* Never really got started! */ |
| 1684 | if (!sky2->tx_le) |
| 1685 | return 0; |
| 1686 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1687 | if (netif_msg_ifdown(sky2)) |
| 1688 | printk(KERN_INFO PFX "%s: disabling interface\n", dev->name); |
| 1689 | |
shemminger@osdl.org | 018d1c6 | 2005-11-30 11:45:18 -0800 | [diff] [blame] | 1690 | /* Stop more packets from being queued */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1691 | netif_stop_queue(dev); |
| 1692 | |
Stephen Hemminger | ebc646f | 2006-10-17 10:23:56 -0700 | [diff] [blame] | 1693 | /* Disable port IRQ */ |
| 1694 | imask = sky2_read32(hw, B0_IMSK); |
| 1695 | imask &= ~portirq_msk[port]; |
| 1696 | sky2_write32(hw, B0_IMSK, imask); |
| 1697 | |
Stephen Hemminger | 6de1623 | 2007-10-17 13:26:42 -0700 | [diff] [blame] | 1698 | synchronize_irq(hw->pdev->irq); |
| 1699 | |
shemminger@osdl.org | d3bcfbe | 2006-08-28 10:00:51 -0700 | [diff] [blame] | 1700 | sky2_gmac_reset(hw, port); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1701 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1702 | /* Stop transmitter */ |
| 1703 | sky2_write32(hw, Q_ADDR(txqaddr[port], Q_CSR), BMU_STOP); |
| 1704 | sky2_read32(hw, Q_ADDR(txqaddr[port], Q_CSR)); |
| 1705 | |
| 1706 | sky2_write32(hw, RB_ADDR(txqaddr[port], RB_CTRL), |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1707 | RB_RST_SET | RB_DIS_OP_MD); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1708 | |
| 1709 | ctrl = gma_read16(hw, port, GM_GP_CTRL); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1710 | ctrl &= ~(GM_GPCR_TX_ENA | GM_GPCR_RX_ENA); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1711 | gma_write16(hw, port, GM_GP_CTRL, ctrl); |
| 1712 | |
Stephen Hemminger | 6de1623 | 2007-10-17 13:26:42 -0700 | [diff] [blame] | 1713 | /* Make sure no packets are pending */ |
| 1714 | napi_synchronize(&hw->napi); |
| 1715 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1716 | sky2_write8(hw, SK_REG(port, GPHY_CTRL), GPC_RST_SET); |
| 1717 | |
| 1718 | /* Workaround shared GMAC reset */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1719 | if (!(hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev == 0 |
| 1720 | && port == 0 && hw->dev[1] && netif_running(hw->dev[1]))) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1721 | sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_RST_SET); |
| 1722 | |
| 1723 | /* Disable Force Sync bit and Enable Alloc bit */ |
| 1724 | sky2_write8(hw, SK_REG(port, TXA_CTRL), |
| 1725 | TXA_DIS_FSYNC | TXA_DIS_ALLOC | TXA_STOP_RC); |
| 1726 | |
| 1727 | /* Stop Interval Timer and Limit Counter of Tx Arbiter */ |
| 1728 | sky2_write32(hw, SK_REG(port, TXA_ITI_INI), 0L); |
| 1729 | sky2_write32(hw, SK_REG(port, TXA_LIM_INI), 0L); |
| 1730 | |
| 1731 | /* Reset the PCI FIFO of the async Tx queue */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1732 | sky2_write32(hw, Q_ADDR(txqaddr[port], Q_CSR), |
| 1733 | BMU_RST_SET | BMU_FIFO_RST); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1734 | |
| 1735 | /* Reset the Tx prefetch units */ |
| 1736 | sky2_write32(hw, Y2_QADDR(txqaddr[port], PREF_UNIT_CTRL), |
| 1737 | PREF_UNIT_RST_SET); |
| 1738 | |
| 1739 | sky2_write32(hw, RB_ADDR(txqaddr[port], RB_CTRL), RB_RST_SET); |
| 1740 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1741 | sky2_rx_stop(sky2); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1742 | |
| 1743 | sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_RST_SET); |
| 1744 | sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_RST_SET); |
| 1745 | |
shemminger@osdl.org | d3bcfbe | 2006-08-28 10:00:51 -0700 | [diff] [blame] | 1746 | sky2_phy_power(hw, port, 0); |
| 1747 | |
Stephen Hemminger | 55d7b4e | 2007-07-09 15:33:34 -0700 | [diff] [blame] | 1748 | netif_carrier_off(dev); |
| 1749 | |
shemminger@osdl.org | d571b69 | 2005-10-26 12:16:09 -0700 | [diff] [blame] | 1750 | /* turn off LED's */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1751 | sky2_write16(hw, B0_Y2LED, LED_STAT_OFF); |
| 1752 | |
Stephen Hemminger | 2bb8c26 | 2006-09-26 11:57:42 -0700 | [diff] [blame] | 1753 | sky2_tx_clean(dev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1754 | sky2_rx_clean(sky2); |
| 1755 | |
| 1756 | pci_free_consistent(hw->pdev, RX_LE_BYTES, |
| 1757 | sky2->rx_le, sky2->rx_le_map); |
| 1758 | kfree(sky2->rx_ring); |
| 1759 | |
| 1760 | pci_free_consistent(hw->pdev, |
| 1761 | TX_RING_SIZE * sizeof(struct sky2_tx_le), |
| 1762 | sky2->tx_le, sky2->tx_le_map); |
| 1763 | kfree(sky2->tx_ring); |
| 1764 | |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 1765 | sky2->tx_le = NULL; |
| 1766 | sky2->rx_le = NULL; |
| 1767 | |
| 1768 | sky2->rx_ring = NULL; |
| 1769 | sky2->tx_ring = NULL; |
| 1770 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1771 | return 0; |
| 1772 | } |
| 1773 | |
| 1774 | static u16 sky2_phy_speed(const struct sky2_hw *hw, u16 aux) |
| 1775 | { |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 1776 | if (hw->flags & SKY2_HW_FIBRE_PHY) |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1777 | return SPEED_1000; |
| 1778 | |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 1779 | if (!(hw->flags & SKY2_HW_GIGABIT)) { |
| 1780 | if (aux & PHY_M_PS_SPEED_100) |
| 1781 | return SPEED_100; |
| 1782 | else |
| 1783 | return SPEED_10; |
| 1784 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1785 | |
| 1786 | switch (aux & PHY_M_PS_SPEED_MSK) { |
| 1787 | case PHY_M_PS_SPEED_1000: |
| 1788 | return SPEED_1000; |
| 1789 | case PHY_M_PS_SPEED_100: |
| 1790 | return SPEED_100; |
| 1791 | default: |
| 1792 | return SPEED_10; |
| 1793 | } |
| 1794 | } |
| 1795 | |
| 1796 | static void sky2_link_up(struct sky2_port *sky2) |
| 1797 | { |
| 1798 | struct sky2_hw *hw = sky2->hw; |
| 1799 | unsigned port = sky2->port; |
| 1800 | u16 reg; |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 1801 | static const char *fc_name[] = { |
| 1802 | [FC_NONE] = "none", |
| 1803 | [FC_TX] = "tx", |
| 1804 | [FC_RX] = "rx", |
| 1805 | [FC_BOTH] = "both", |
| 1806 | }; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1807 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1808 | /* enable Rx/Tx */ |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 1809 | reg = gma_read16(hw, port, GM_GP_CTRL); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1810 | reg |= GM_GPCR_RX_ENA | GM_GPCR_TX_ENA; |
| 1811 | gma_write16(hw, port, GM_GP_CTRL, reg); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1812 | |
| 1813 | gm_phy_write(hw, port, PHY_MARV_INT_MASK, PHY_M_DEF_MSK); |
| 1814 | |
| 1815 | netif_carrier_on(sky2->netdev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1816 | |
Stephen Hemminger | 75e8068 | 2007-09-19 15:36:46 -0700 | [diff] [blame] | 1817 | mod_timer(&hw->watchdog_timer, jiffies + 1); |
Stephen Hemminger | 32c2c30 | 2007-08-21 14:34:03 -0700 | [diff] [blame] | 1818 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1819 | /* Turn on link LED */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1820 | sky2_write8(hw, SK_REG(port, LNK_LED_REG), |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1821 | LINKLED_ON | LINKLED_BLINK_OFF | LINKLED_LINKSYNC_OFF); |
| 1822 | |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 1823 | if (hw->flags & SKY2_HW_NEWER_PHY) { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1824 | u16 pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); |
Stephen Hemminger | ed6d32c | 2006-05-08 15:11:33 -0700 | [diff] [blame] | 1825 | u16 led = PHY_M_LEDC_LOS_CTRL(1); /* link active */ |
| 1826 | |
| 1827 | switch(sky2->speed) { |
| 1828 | case SPEED_10: |
| 1829 | led |= PHY_M_LEDC_INIT_CTRL(7); |
| 1830 | break; |
| 1831 | |
| 1832 | case SPEED_100: |
| 1833 | led |= PHY_M_LEDC_STA1_CTRL(7); |
| 1834 | break; |
| 1835 | |
| 1836 | case SPEED_1000: |
| 1837 | led |= PHY_M_LEDC_STA0_CTRL(7); |
| 1838 | break; |
| 1839 | } |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1840 | |
| 1841 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 3); |
Stephen Hemminger | ed6d32c | 2006-05-08 15:11:33 -0700 | [diff] [blame] | 1842 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, led); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1843 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg); |
| 1844 | } |
| 1845 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1846 | if (netif_msg_link(sky2)) |
| 1847 | printk(KERN_INFO PFX |
shemminger@osdl.org | d571b69 | 2005-10-26 12:16:09 -0700 | [diff] [blame] | 1848 | "%s: Link is up at %d Mbps, %s duplex, flow control %s\n", |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1849 | sky2->netdev->name, sky2->speed, |
| 1850 | sky2->duplex == DUPLEX_FULL ? "full" : "half", |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 1851 | fc_name[sky2->flow_status]); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1852 | } |
| 1853 | |
| 1854 | static void sky2_link_down(struct sky2_port *sky2) |
| 1855 | { |
| 1856 | struct sky2_hw *hw = sky2->hw; |
| 1857 | unsigned port = sky2->port; |
| 1858 | u16 reg; |
| 1859 | |
| 1860 | gm_phy_write(hw, port, PHY_MARV_INT_MASK, 0); |
| 1861 | |
| 1862 | reg = gma_read16(hw, port, GM_GP_CTRL); |
| 1863 | reg &= ~(GM_GPCR_RX_ENA | GM_GPCR_TX_ENA); |
| 1864 | gma_write16(hw, port, GM_GP_CTRL, reg); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1865 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1866 | netif_carrier_off(sky2->netdev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1867 | |
| 1868 | /* Turn on link LED */ |
| 1869 | sky2_write8(hw, SK_REG(port, LNK_LED_REG), LINKLED_OFF); |
| 1870 | |
| 1871 | if (netif_msg_link(sky2)) |
| 1872 | printk(KERN_INFO PFX "%s: Link is down.\n", sky2->netdev->name); |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 1873 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1874 | sky2_phy_init(hw, port); |
| 1875 | } |
| 1876 | |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 1877 | static enum flow_control sky2_flow(int rx, int tx) |
| 1878 | { |
| 1879 | if (rx) |
| 1880 | return tx ? FC_BOTH : FC_RX; |
| 1881 | else |
| 1882 | return tx ? FC_TX : FC_NONE; |
| 1883 | } |
| 1884 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1885 | static int sky2_autoneg_done(struct sky2_port *sky2, u16 aux) |
| 1886 | { |
| 1887 | struct sky2_hw *hw = sky2->hw; |
| 1888 | unsigned port = sky2->port; |
Stephen Hemminger | da4c1ff | 2007-02-15 16:40:32 -0800 | [diff] [blame] | 1889 | u16 advert, lpa; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1890 | |
Stephen Hemminger | da4c1ff | 2007-02-15 16:40:32 -0800 | [diff] [blame] | 1891 | advert = gm_phy_read(hw, port, PHY_MARV_AUNE_ADV); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1892 | lpa = gm_phy_read(hw, port, PHY_MARV_AUNE_LP); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1893 | if (lpa & PHY_M_AN_RF) { |
| 1894 | printk(KERN_ERR PFX "%s: remote fault", sky2->netdev->name); |
| 1895 | return -1; |
| 1896 | } |
| 1897 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1898 | if (!(aux & PHY_M_PS_SPDUP_RES)) { |
| 1899 | printk(KERN_ERR PFX "%s: speed/duplex mismatch", |
| 1900 | sky2->netdev->name); |
| 1901 | return -1; |
| 1902 | } |
| 1903 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1904 | sky2->speed = sky2_phy_speed(hw, aux); |
Stephen Hemminger | 7c74ac1 | 2006-10-17 10:24:08 -0700 | [diff] [blame] | 1905 | sky2->duplex = (aux & PHY_M_PS_FULL_DUP) ? DUPLEX_FULL : DUPLEX_HALF; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1906 | |
Stephen Hemminger | da4c1ff | 2007-02-15 16:40:32 -0800 | [diff] [blame] | 1907 | /* Since the pause result bits seem to in different positions on |
| 1908 | * different chips. look at registers. |
| 1909 | */ |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 1910 | if (hw->flags & SKY2_HW_FIBRE_PHY) { |
Stephen Hemminger | da4c1ff | 2007-02-15 16:40:32 -0800 | [diff] [blame] | 1911 | /* Shift for bits in fiber PHY */ |
| 1912 | advert &= ~(ADVERTISE_PAUSE_CAP|ADVERTISE_PAUSE_ASYM); |
| 1913 | lpa &= ~(LPA_PAUSE_CAP|LPA_PAUSE_ASYM); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1914 | |
Stephen Hemminger | da4c1ff | 2007-02-15 16:40:32 -0800 | [diff] [blame] | 1915 | if (advert & ADVERTISE_1000XPAUSE) |
| 1916 | advert |= ADVERTISE_PAUSE_CAP; |
| 1917 | if (advert & ADVERTISE_1000XPSE_ASYM) |
| 1918 | advert |= ADVERTISE_PAUSE_ASYM; |
| 1919 | if (lpa & LPA_1000XPAUSE) |
| 1920 | lpa |= LPA_PAUSE_CAP; |
| 1921 | if (lpa & LPA_1000XPAUSE_ASYM) |
| 1922 | lpa |= LPA_PAUSE_ASYM; |
| 1923 | } |
| 1924 | |
| 1925 | sky2->flow_status = FC_NONE; |
| 1926 | if (advert & ADVERTISE_PAUSE_CAP) { |
| 1927 | if (lpa & LPA_PAUSE_CAP) |
| 1928 | sky2->flow_status = FC_BOTH; |
| 1929 | else if (advert & ADVERTISE_PAUSE_ASYM) |
| 1930 | sky2->flow_status = FC_RX; |
| 1931 | } else if (advert & ADVERTISE_PAUSE_ASYM) { |
| 1932 | if ((lpa & LPA_PAUSE_CAP) && (lpa & LPA_PAUSE_ASYM)) |
| 1933 | sky2->flow_status = FC_TX; |
| 1934 | } |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1935 | |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 1936 | if (sky2->duplex == DUPLEX_HALF && sky2->speed < SPEED_1000 |
Stephen Hemminger | 9374549 | 2007-02-06 10:45:43 -0800 | [diff] [blame] | 1937 | && !(hw->chip_id == CHIP_ID_YUKON_EC_U || hw->chip_id == CHIP_ID_YUKON_EX)) |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 1938 | sky2->flow_status = FC_NONE; |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 1939 | |
Stephen Hemminger | da4c1ff | 2007-02-15 16:40:32 -0800 | [diff] [blame] | 1940 | if (sky2->flow_status & FC_TX) |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1941 | sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_PAUSE_ON); |
| 1942 | else |
| 1943 | sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_PAUSE_OFF); |
| 1944 | |
| 1945 | return 0; |
| 1946 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1947 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1948 | /* Interrupt from PHY */ |
| 1949 | static void sky2_phy_intr(struct sky2_hw *hw, unsigned port) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1950 | { |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1951 | struct net_device *dev = hw->dev[port]; |
| 1952 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1953 | u16 istatus, phystat; |
| 1954 | |
Stephen Hemminger | ebc646f | 2006-10-17 10:23:56 -0700 | [diff] [blame] | 1955 | if (!netif_running(dev)) |
| 1956 | return; |
| 1957 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1958 | spin_lock(&sky2->phy_lock); |
| 1959 | istatus = gm_phy_read(hw, port, PHY_MARV_INT_STAT); |
| 1960 | phystat = gm_phy_read(hw, port, PHY_MARV_PHY_STAT); |
| 1961 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1962 | if (netif_msg_intr(sky2)) |
| 1963 | printk(KERN_INFO PFX "%s: phy interrupt status 0x%x 0x%x\n", |
| 1964 | sky2->netdev->name, istatus, phystat); |
| 1965 | |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 1966 | if (sky2->autoneg == AUTONEG_ENABLE && (istatus & PHY_M_IS_AN_COMPL)) { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1967 | if (sky2_autoneg_done(sky2, phystat) == 0) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1968 | sky2_link_up(sky2); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1969 | goto out; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1970 | } |
| 1971 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1972 | if (istatus & PHY_M_IS_LSP_CHANGE) |
| 1973 | sky2->speed = sky2_phy_speed(hw, phystat); |
| 1974 | |
| 1975 | if (istatus & PHY_M_IS_DUP_CHANGE) |
| 1976 | sky2->duplex = |
| 1977 | (phystat & PHY_M_PS_FULL_DUP) ? DUPLEX_FULL : DUPLEX_HALF; |
| 1978 | |
| 1979 | if (istatus & PHY_M_IS_LST_CHANGE) { |
| 1980 | if (phystat & PHY_M_PS_LINK_UP) |
| 1981 | sky2_link_up(sky2); |
| 1982 | else |
| 1983 | sky2_link_down(sky2); |
| 1984 | } |
| 1985 | out: |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1986 | spin_unlock(&sky2->phy_lock); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1987 | } |
| 1988 | |
Stephen Hemminger | 62335ab | 2007-02-06 10:45:42 -0800 | [diff] [blame] | 1989 | /* Transmit timeout is only called if we are running, carrier is up |
Stephen Hemminger | 302d125 | 2006-01-17 13:43:20 -0800 | [diff] [blame] | 1990 | * and tx queue is full (stopped). |
| 1991 | */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1992 | static void sky2_tx_timeout(struct net_device *dev) |
| 1993 | { |
| 1994 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | 8cc048e | 2005-12-09 11:35:07 -0800 | [diff] [blame] | 1995 | struct sky2_hw *hw = sky2->hw; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1996 | |
| 1997 | if (netif_msg_timer(sky2)) |
| 1998 | printk(KERN_ERR PFX "%s: tx timeout\n", dev->name); |
| 1999 | |
Stephen Hemminger | 8f24664 | 2006-03-20 15:48:21 -0800 | [diff] [blame] | 2000 | printk(KERN_DEBUG PFX "%s: transmit ring %u .. %u report=%u done=%u\n", |
Stephen Hemminger | 62335ab | 2007-02-06 10:45:42 -0800 | [diff] [blame] | 2001 | dev->name, sky2->tx_cons, sky2->tx_prod, |
| 2002 | sky2_read16(hw, sky2->port == 0 ? STAT_TXA1_RIDX : STAT_TXA2_RIDX), |
| 2003 | sky2_read16(hw, Q_ADDR(txqaddr[sky2->port], Q_DONE))); |
Stephen Hemminger | 8cc048e | 2005-12-09 11:35:07 -0800 | [diff] [blame] | 2004 | |
Stephen Hemminger | 8190679 | 2007-02-15 16:40:33 -0800 | [diff] [blame] | 2005 | /* can't restart safely under softirq */ |
| 2006 | schedule_work(&hw->restart_work); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2007 | } |
| 2008 | |
| 2009 | static int sky2_change_mtu(struct net_device *dev, int new_mtu) |
| 2010 | { |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 2011 | struct sky2_port *sky2 = netdev_priv(dev); |
| 2012 | struct sky2_hw *hw = sky2->hw; |
Stephen Hemminger | b628ed9 | 2007-04-11 14:48:01 -0700 | [diff] [blame] | 2013 | unsigned port = sky2->port; |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 2014 | int err; |
| 2015 | u16 ctl, mode; |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2016 | u32 imask; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2017 | |
| 2018 | if (new_mtu < ETH_ZLEN || new_mtu > ETH_JUMBO_MTU) |
| 2019 | return -EINVAL; |
| 2020 | |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 2021 | if (new_mtu > ETH_DATA_LEN && |
| 2022 | (hw->chip_id == CHIP_ID_YUKON_FE || |
| 2023 | hw->chip_id == CHIP_ID_YUKON_FE_P)) |
Stephen Hemminger | d2adf4f | 2007-04-11 14:48:02 -0700 | [diff] [blame] | 2024 | return -EINVAL; |
| 2025 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 2026 | if (!netif_running(dev)) { |
| 2027 | dev->mtu = new_mtu; |
| 2028 | return 0; |
| 2029 | } |
| 2030 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2031 | imask = sky2_read32(hw, B0_IMSK); |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 2032 | sky2_write32(hw, B0_IMSK, 0); |
| 2033 | |
shemminger@osdl.org | 018d1c6 | 2005-11-30 11:45:18 -0800 | [diff] [blame] | 2034 | dev->trans_start = jiffies; /* prevent tx timeout */ |
| 2035 | netif_stop_queue(dev); |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 2036 | napi_disable(&hw->napi); |
shemminger@osdl.org | 018d1c6 | 2005-11-30 11:45:18 -0800 | [diff] [blame] | 2037 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2038 | synchronize_irq(hw->pdev->irq); |
| 2039 | |
Stephen Hemminger | e0c2811 | 2007-09-20 13:03:49 -0700 | [diff] [blame] | 2040 | if (sky2_read8(hw, B2_E_0) == 0) |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 2041 | sky2_set_tx_stfwd(hw, port); |
Stephen Hemminger | b628ed9 | 2007-04-11 14:48:01 -0700 | [diff] [blame] | 2042 | |
| 2043 | ctl = gma_read16(hw, port, GM_GP_CTRL); |
| 2044 | gma_write16(hw, port, GM_GP_CTRL, ctl & ~GM_GPCR_RX_ENA); |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 2045 | sky2_rx_stop(sky2); |
| 2046 | sky2_rx_clean(sky2); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2047 | |
| 2048 | dev->mtu = new_mtu; |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 2049 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 2050 | mode = DATA_BLIND_VAL(DATA_BLIND_DEF) | |
| 2051 | GM_SMOD_VLAN_ENA | IPG_DATA_VAL(IPG_DATA_DEF); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2052 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 2053 | if (dev->mtu > ETH_DATA_LEN) |
| 2054 | mode |= GM_SMOD_JUMBO_ENA; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2055 | |
Stephen Hemminger | b628ed9 | 2007-04-11 14:48:01 -0700 | [diff] [blame] | 2056 | gma_write16(hw, port, GM_SERIAL_MODE, mode); |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 2057 | |
Stephen Hemminger | b628ed9 | 2007-04-11 14:48:01 -0700 | [diff] [blame] | 2058 | sky2_write8(hw, RB_ADDR(rxqaddr[port], RB_CTRL), RB_ENA_OP_MD); |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 2059 | |
| 2060 | err = sky2_rx_start(sky2); |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2061 | sky2_write32(hw, B0_IMSK, imask); |
shemminger@osdl.org | 018d1c6 | 2005-11-30 11:45:18 -0800 | [diff] [blame] | 2062 | |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 2063 | napi_enable(&hw->napi); |
| 2064 | |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 2065 | if (err) |
| 2066 | dev_close(dev); |
| 2067 | else { |
Stephen Hemminger | b628ed9 | 2007-04-11 14:48:01 -0700 | [diff] [blame] | 2068 | gma_write16(hw, port, GM_GP_CTRL, ctl); |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 2069 | |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 2070 | netif_wake_queue(dev); |
| 2071 | } |
| 2072 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2073 | return err; |
| 2074 | } |
| 2075 | |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 2076 | /* For small just reuse existing skb for next receive */ |
| 2077 | static struct sk_buff *receive_copy(struct sky2_port *sky2, |
| 2078 | const struct rx_ring_info *re, |
| 2079 | unsigned length) |
| 2080 | { |
| 2081 | struct sk_buff *skb; |
| 2082 | |
| 2083 | skb = netdev_alloc_skb(sky2->netdev, length + 2); |
| 2084 | if (likely(skb)) { |
| 2085 | skb_reserve(skb, 2); |
| 2086 | pci_dma_sync_single_for_cpu(sky2->hw->pdev, re->data_addr, |
| 2087 | length, PCI_DMA_FROMDEVICE); |
Arnaldo Carvalho de Melo | d626f62 | 2007-03-27 18:55:52 -0300 | [diff] [blame] | 2088 | skb_copy_from_linear_data(re->skb, skb->data, length); |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 2089 | skb->ip_summed = re->skb->ip_summed; |
| 2090 | skb->csum = re->skb->csum; |
| 2091 | pci_dma_sync_single_for_device(sky2->hw->pdev, re->data_addr, |
| 2092 | length, PCI_DMA_FROMDEVICE); |
| 2093 | re->skb->ip_summed = CHECKSUM_NONE; |
Stephen Hemminger | 489b10c | 2006-10-03 16:39:12 -0700 | [diff] [blame] | 2094 | skb_put(skb, length); |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 2095 | } |
| 2096 | return skb; |
| 2097 | } |
| 2098 | |
| 2099 | /* Adjust length of skb with fragments to match received data */ |
| 2100 | static void skb_put_frags(struct sk_buff *skb, unsigned int hdr_space, |
| 2101 | unsigned int length) |
| 2102 | { |
| 2103 | int i, num_frags; |
| 2104 | unsigned int size; |
| 2105 | |
| 2106 | /* put header into skb */ |
| 2107 | size = min(length, hdr_space); |
| 2108 | skb->tail += size; |
| 2109 | skb->len += size; |
| 2110 | length -= size; |
| 2111 | |
| 2112 | num_frags = skb_shinfo(skb)->nr_frags; |
| 2113 | for (i = 0; i < num_frags; i++) { |
| 2114 | skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; |
| 2115 | |
| 2116 | if (length == 0) { |
| 2117 | /* don't need this page */ |
| 2118 | __free_page(frag->page); |
| 2119 | --skb_shinfo(skb)->nr_frags; |
| 2120 | } else { |
| 2121 | size = min(length, (unsigned) PAGE_SIZE); |
| 2122 | |
| 2123 | frag->size = size; |
| 2124 | skb->data_len += size; |
| 2125 | skb->truesize += size; |
| 2126 | skb->len += size; |
| 2127 | length -= size; |
| 2128 | } |
| 2129 | } |
| 2130 | } |
| 2131 | |
| 2132 | /* Normal packet - take skb from ring element and put in a new one */ |
| 2133 | static struct sk_buff *receive_new(struct sky2_port *sky2, |
| 2134 | struct rx_ring_info *re, |
| 2135 | unsigned int length) |
| 2136 | { |
| 2137 | struct sk_buff *skb, *nskb; |
| 2138 | unsigned hdr_space = sky2->rx_data_size; |
| 2139 | |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 2140 | /* Don't be tricky about reusing pages (yet) */ |
| 2141 | nskb = sky2_rx_alloc(sky2); |
| 2142 | if (unlikely(!nskb)) |
| 2143 | return NULL; |
| 2144 | |
| 2145 | skb = re->skb; |
| 2146 | sky2_rx_unmap_skb(sky2->hw->pdev, re); |
| 2147 | |
| 2148 | prefetch(skb->data); |
| 2149 | re->skb = nskb; |
| 2150 | sky2_rx_map_skb(sky2->hw->pdev, re, hdr_space); |
| 2151 | |
| 2152 | if (skb_shinfo(skb)->nr_frags) |
| 2153 | skb_put_frags(skb, hdr_space, length); |
| 2154 | else |
Stephen Hemminger | 489b10c | 2006-10-03 16:39:12 -0700 | [diff] [blame] | 2155 | skb_put(skb, length); |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 2156 | return skb; |
| 2157 | } |
| 2158 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2159 | /* |
| 2160 | * Receive one packet. |
shemminger@osdl.org | d571b69 | 2005-10-26 12:16:09 -0700 | [diff] [blame] | 2161 | * For larger packets, get new buffer. |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2162 | */ |
shemminger@osdl.org | 497d7c8 | 2006-08-28 10:00:46 -0700 | [diff] [blame] | 2163 | static struct sk_buff *sky2_receive(struct net_device *dev, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2164 | u16 length, u32 status) |
| 2165 | { |
shemminger@osdl.org | 497d7c8 | 2006-08-28 10:00:46 -0700 | [diff] [blame] | 2166 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 2167 | struct rx_ring_info *re = sky2->rx_ring + sky2->rx_next; |
Stephen Hemminger | 79e57d3 | 2005-09-19 15:42:33 -0700 | [diff] [blame] | 2168 | struct sk_buff *skb = NULL; |
Stephen Hemminger | d653223 | 2007-09-19 15:36:42 -0700 | [diff] [blame] | 2169 | u16 count = (status & GMR_FS_LEN) >> 16; |
| 2170 | |
| 2171 | #ifdef SKY2_VLAN_TAG_USED |
| 2172 | /* Account for vlan tag */ |
| 2173 | if (sky2->vlgrp && (status & GMR_FS_VLAN)) |
| 2174 | count -= VLAN_HLEN; |
| 2175 | #endif |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2176 | |
| 2177 | if (unlikely(netif_msg_rx_status(sky2))) |
| 2178 | printk(KERN_DEBUG PFX "%s: rx slot %u status 0x%x len %d\n", |
shemminger@osdl.org | 497d7c8 | 2006-08-28 10:00:46 -0700 | [diff] [blame] | 2179 | dev->name, sky2->rx_next, status, length); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2180 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2181 | sky2->rx_next = (sky2->rx_next + 1) % sky2->rx_pending; |
Stephen Hemminger | d70cd51 | 2005-12-09 11:35:09 -0800 | [diff] [blame] | 2182 | prefetch(sky2->rx_ring + sky2->rx_next); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2183 | |
Stephen Hemminger | 3b12e01 | 2007-09-26 17:58:47 -0700 | [diff] [blame] | 2184 | /* This chip has hardware problems that generates bogus status. |
| 2185 | * So do only marginal checking and expect higher level protocols |
| 2186 | * to handle crap frames. |
| 2187 | */ |
| 2188 | if (sky2->hw->chip_id == CHIP_ID_YUKON_FE_P && |
| 2189 | sky2->hw->chip_rev == CHIP_REV_YU_FE2_A0 && |
| 2190 | length != count) |
| 2191 | goto okay; |
| 2192 | |
shemminger@osdl.org | 42eeea0 | 2005-11-30 11:45:13 -0800 | [diff] [blame] | 2193 | if (status & GMR_FS_ANY_ERR) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2194 | goto error; |
| 2195 | |
shemminger@osdl.org | 42eeea0 | 2005-11-30 11:45:13 -0800 | [diff] [blame] | 2196 | if (!(status & GMR_FS_RX_OK)) |
| 2197 | goto resubmit; |
| 2198 | |
Stephen Hemminger | d653223 | 2007-09-19 15:36:42 -0700 | [diff] [blame] | 2199 | /* if length reported by DMA does not match PHY, packet was truncated */ |
| 2200 | if (length != count) |
Stephen Hemminger | 3b12e01 | 2007-09-26 17:58:47 -0700 | [diff] [blame] | 2201 | goto len_error; |
Stephen Hemminger | 7174953 | 2007-07-09 15:33:40 -0700 | [diff] [blame] | 2202 | |
Stephen Hemminger | 3b12e01 | 2007-09-26 17:58:47 -0700 | [diff] [blame] | 2203 | okay: |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 2204 | if (length < copybreak) |
| 2205 | skb = receive_copy(sky2, re, length); |
| 2206 | else |
| 2207 | skb = receive_new(sky2, re, length); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2208 | resubmit: |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 2209 | sky2_rx_submit(sky2, re); |
Stephen Hemminger | 79e57d3 | 2005-09-19 15:42:33 -0700 | [diff] [blame] | 2210 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2211 | return skb; |
| 2212 | |
Stephen Hemminger | 3b12e01 | 2007-09-26 17:58:47 -0700 | [diff] [blame] | 2213 | len_error: |
Stephen Hemminger | 7174953 | 2007-07-09 15:33:40 -0700 | [diff] [blame] | 2214 | /* Truncation of overlength packets |
| 2215 | causes PHY length to not match MAC length */ |
Stephen Hemminger | 7138a0f | 2007-10-11 19:48:22 -0700 | [diff] [blame] | 2216 | ++dev->stats.rx_length_errors; |
Stephen Hemminger | d653223 | 2007-09-19 15:36:42 -0700 | [diff] [blame] | 2217 | if (netif_msg_rx_err(sky2) && net_ratelimit()) |
Stephen Hemminger | 3b12e01 | 2007-09-26 17:58:47 -0700 | [diff] [blame] | 2218 | pr_info(PFX "%s: rx length error: status %#x length %d\n", |
| 2219 | dev->name, status, length); |
Stephen Hemminger | d653223 | 2007-09-19 15:36:42 -0700 | [diff] [blame] | 2220 | goto resubmit; |
Stephen Hemminger | 7174953 | 2007-07-09 15:33:40 -0700 | [diff] [blame] | 2221 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2222 | error: |
Stephen Hemminger | 7138a0f | 2007-10-11 19:48:22 -0700 | [diff] [blame] | 2223 | ++dev->stats.rx_errors; |
Stephen Hemminger | b6d7773 | 2006-10-17 10:24:16 -0700 | [diff] [blame] | 2224 | if (status & GMR_FS_RX_FF_OV) { |
Stephen Hemminger | 7138a0f | 2007-10-11 19:48:22 -0700 | [diff] [blame] | 2225 | dev->stats.rx_over_errors++; |
Stephen Hemminger | b6d7773 | 2006-10-17 10:24:16 -0700 | [diff] [blame] | 2226 | goto resubmit; |
| 2227 | } |
Stephen Hemminger | 6e15b71 | 2005-12-20 15:08:09 -0800 | [diff] [blame] | 2228 | |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 2229 | if (netif_msg_rx_err(sky2) && net_ratelimit()) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2230 | printk(KERN_INFO PFX "%s: rx error, status 0x%x length %d\n", |
shemminger@osdl.org | 497d7c8 | 2006-08-28 10:00:46 -0700 | [diff] [blame] | 2231 | dev->name, status, length); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2232 | |
| 2233 | if (status & (GMR_FS_LONG_ERR | GMR_FS_UN_SIZE)) |
Stephen Hemminger | 7138a0f | 2007-10-11 19:48:22 -0700 | [diff] [blame] | 2234 | dev->stats.rx_length_errors++; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2235 | if (status & GMR_FS_FRAGMENT) |
Stephen Hemminger | 7138a0f | 2007-10-11 19:48:22 -0700 | [diff] [blame] | 2236 | dev->stats.rx_frame_errors++; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2237 | if (status & GMR_FS_CRC_ERR) |
Stephen Hemminger | 7138a0f | 2007-10-11 19:48:22 -0700 | [diff] [blame] | 2238 | dev->stats.rx_crc_errors++; |
Stephen Hemminger | 79e57d3 | 2005-09-19 15:42:33 -0700 | [diff] [blame] | 2239 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2240 | goto resubmit; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2241 | } |
| 2242 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2243 | /* Transmit complete */ |
| 2244 | static inline void sky2_tx_done(struct net_device *dev, u16 last) |
Stephen Hemminger | 13b97b7 | 2005-12-09 11:35:03 -0800 | [diff] [blame] | 2245 | { |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2246 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | 302d125 | 2006-01-17 13:43:20 -0800 | [diff] [blame] | 2247 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2248 | if (netif_running(dev)) { |
Stephen Hemminger | 2bb8c26 | 2006-09-26 11:57:42 -0700 | [diff] [blame] | 2249 | netif_tx_lock(dev); |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2250 | sky2_tx_complete(sky2, last); |
Stephen Hemminger | 2bb8c26 | 2006-09-26 11:57:42 -0700 | [diff] [blame] | 2251 | netif_tx_unlock(dev); |
shemminger@osdl.org | 2224795 | 2005-11-30 11:45:19 -0800 | [diff] [blame] | 2252 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2253 | } |
| 2254 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2255 | /* Process status response ring */ |
Stephen Hemminger | 2669183 | 2007-10-11 18:31:13 -0700 | [diff] [blame] | 2256 | static int sky2_status_intr(struct sky2_hw *hw, int to_do, u16 idx) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2257 | { |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2258 | int work_done = 0; |
Stephen Hemminger | 55c9dd3 | 2007-07-09 15:33:37 -0700 | [diff] [blame] | 2259 | unsigned rx[2] = { 0, 0 }; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2260 | |
Stephen Hemminger | af2a58a | 2005-12-09 11:35:04 -0800 | [diff] [blame] | 2261 | rmb(); |
Stephen Hemminger | 2669183 | 2007-10-11 18:31:13 -0700 | [diff] [blame] | 2262 | do { |
Stephen Hemminger | 55c9dd3 | 2007-07-09 15:33:37 -0700 | [diff] [blame] | 2263 | struct sky2_port *sky2; |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 2264 | struct sky2_status_le *le = hw->st_le + hw->st_idx; |
Stephen Hemminger | ab5adec | 2007-11-05 15:52:09 -0800 | [diff] [blame] | 2265 | unsigned port; |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 2266 | struct net_device *dev; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2267 | struct sk_buff *skb; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2268 | u32 status; |
| 2269 | u16 length; |
Stephen Hemminger | ab5adec | 2007-11-05 15:52:09 -0800 | [diff] [blame] | 2270 | u8 opcode = le->opcode; |
| 2271 | |
| 2272 | if (!(opcode & HW_OWNER)) |
| 2273 | break; |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2274 | |
Stephen Hemminger | cb5d954 | 2006-05-08 15:11:29 -0700 | [diff] [blame] | 2275 | hw->st_idx = RING_NEXT(hw->st_idx, STATUS_RING_SIZE); |
shemminger@osdl.org | bea8610 | 2005-10-26 12:16:10 -0700 | [diff] [blame] | 2276 | |
Stephen Hemminger | ab5adec | 2007-11-05 15:52:09 -0800 | [diff] [blame] | 2277 | port = le->css & CSS_LINK_BIT; |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 2278 | dev = hw->dev[port]; |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 2279 | sky2 = netdev_priv(dev); |
Stephen Hemminger | f65b138 | 2006-09-06 12:45:02 -0700 | [diff] [blame] | 2280 | length = le16_to_cpu(le->length); |
| 2281 | status = le32_to_cpu(le->status); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2282 | |
Stephen Hemminger | ab5adec | 2007-11-05 15:52:09 -0800 | [diff] [blame] | 2283 | le->opcode = 0; |
| 2284 | switch (opcode & ~HW_OWNER) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2285 | case OP_RXSTAT: |
Stephen Hemminger | 55c9dd3 | 2007-07-09 15:33:37 -0700 | [diff] [blame] | 2286 | ++rx[port]; |
shemminger@osdl.org | 497d7c8 | 2006-08-28 10:00:46 -0700 | [diff] [blame] | 2287 | skb = sky2_receive(dev, length, status); |
Stephen Hemminger | 3225b91 | 2007-05-14 12:38:12 -0700 | [diff] [blame] | 2288 | if (unlikely(!skb)) { |
Stephen Hemminger | 7138a0f | 2007-10-11 19:48:22 -0700 | [diff] [blame] | 2289 | dev->stats.rx_dropped++; |
Stephen Hemminger | 55c9dd3 | 2007-07-09 15:33:37 -0700 | [diff] [blame] | 2290 | break; |
Stephen Hemminger | 3225b91 | 2007-05-14 12:38:12 -0700 | [diff] [blame] | 2291 | } |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 2292 | |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 2293 | /* This chip reports checksum status differently */ |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 2294 | if (hw->flags & SKY2_HW_NEW_LE) { |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 2295 | if (sky2->rx_csum && |
| 2296 | (le->css & (CSS_ISIPV4 | CSS_ISIPV6)) && |
| 2297 | (le->css & CSS_TCPUDPCSOK)) |
| 2298 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
| 2299 | else |
| 2300 | skb->ip_summed = CHECKSUM_NONE; |
| 2301 | } |
| 2302 | |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 2303 | skb->protocol = eth_type_trans(skb, dev); |
Stephen Hemminger | 7138a0f | 2007-10-11 19:48:22 -0700 | [diff] [blame] | 2304 | dev->stats.rx_packets++; |
| 2305 | dev->stats.rx_bytes += skb->len; |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 2306 | dev->last_rx = jiffies; |
| 2307 | |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 2308 | #ifdef SKY2_VLAN_TAG_USED |
| 2309 | if (sky2->vlgrp && (status & GMR_FS_VLAN)) { |
| 2310 | vlan_hwaccel_receive_skb(skb, |
| 2311 | sky2->vlgrp, |
| 2312 | be16_to_cpu(sky2->rx_tag)); |
| 2313 | } else |
| 2314 | #endif |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2315 | netif_receive_skb(skb); |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 2316 | |
Stephen Hemminger | 22e1170 | 2006-07-12 15:23:48 -0700 | [diff] [blame] | 2317 | /* Stop after net poll weight */ |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 2318 | if (++work_done >= to_do) |
| 2319 | goto exit_loop; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2320 | break; |
| 2321 | |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 2322 | #ifdef SKY2_VLAN_TAG_USED |
| 2323 | case OP_RXVLAN: |
| 2324 | sky2->rx_tag = length; |
| 2325 | break; |
| 2326 | |
| 2327 | case OP_RXCHKSVLAN: |
| 2328 | sky2->rx_tag = length; |
| 2329 | /* fall through */ |
| 2330 | #endif |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2331 | case OP_RXCHKS: |
Stephen Hemminger | 8741830 | 2007-03-08 12:42:30 -0800 | [diff] [blame] | 2332 | if (!sky2->rx_csum) |
| 2333 | break; |
| 2334 | |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 2335 | /* If this happens then driver assuming wrong format */ |
| 2336 | if (unlikely(hw->flags & SKY2_HW_NEW_LE)) { |
| 2337 | if (net_ratelimit()) |
| 2338 | printk(KERN_NOTICE "%s: unexpected" |
| 2339 | " checksum status\n", |
| 2340 | dev->name); |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 2341 | break; |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 2342 | } |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 2343 | |
Stephen Hemminger | 8741830 | 2007-03-08 12:42:30 -0800 | [diff] [blame] | 2344 | /* Both checksum counters are programmed to start at |
| 2345 | * the same offset, so unless there is a problem they |
| 2346 | * should match. This failure is an early indication that |
| 2347 | * hardware receive checksumming won't work. |
| 2348 | */ |
| 2349 | if (likely(status >> 16 == (status & 0xffff))) { |
| 2350 | skb = sky2->rx_ring[sky2->rx_next].skb; |
| 2351 | skb->ip_summed = CHECKSUM_COMPLETE; |
| 2352 | skb->csum = status & 0xffff; |
| 2353 | } else { |
| 2354 | printk(KERN_NOTICE PFX "%s: hardware receive " |
| 2355 | "checksum problem (status = %#x)\n", |
| 2356 | dev->name, status); |
| 2357 | sky2->rx_csum = 0; |
| 2358 | sky2_write32(sky2->hw, |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 2359 | Q_ADDR(rxqaddr[port], Q_CSR), |
Stephen Hemminger | 8741830 | 2007-03-08 12:42:30 -0800 | [diff] [blame] | 2360 | BMU_DIS_RX_CHKSUM); |
| 2361 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2362 | break; |
| 2363 | |
| 2364 | case OP_TXINDEXLE: |
Stephen Hemminger | 13b97b7 | 2005-12-09 11:35:03 -0800 | [diff] [blame] | 2365 | /* TX index reports status for both ports */ |
Stephen Hemminger | f55925d | 2006-05-08 15:11:28 -0700 | [diff] [blame] | 2366 | BUILD_BUG_ON(TX_RING_SIZE > 0x1000); |
| 2367 | sky2_tx_done(hw->dev[0], status & 0xfff); |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2368 | if (hw->dev[1]) |
| 2369 | sky2_tx_done(hw->dev[1], |
| 2370 | ((status >> 24) & 0xff) |
| 2371 | | (u16)(length & 0xf) << 8); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2372 | break; |
| 2373 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2374 | default: |
| 2375 | if (net_ratelimit()) |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2376 | printk(KERN_WARNING PFX |
Stephen Hemminger | ab5adec | 2007-11-05 15:52:09 -0800 | [diff] [blame] | 2377 | "unknown status opcode 0x%x\n", opcode); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2378 | } |
Stephen Hemminger | 2669183 | 2007-10-11 18:31:13 -0700 | [diff] [blame] | 2379 | } while (hw->st_idx != idx); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2380 | |
Stephen Hemminger | fe2a24d | 2006-08-01 11:55:23 -0700 | [diff] [blame] | 2381 | /* Fully processed status ring so clear irq */ |
| 2382 | sky2_write32(hw, STAT_CTRL, SC_STAT_CLR_IRQ); |
| 2383 | |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 2384 | exit_loop: |
Stephen Hemminger | 55c9dd3 | 2007-07-09 15:33:37 -0700 | [diff] [blame] | 2385 | if (rx[0]) |
| 2386 | sky2_rx_update(netdev_priv(hw->dev[0]), Q_R1); |
Stephen Hemminger | 22e1170 | 2006-07-12 15:23:48 -0700 | [diff] [blame] | 2387 | |
Stephen Hemminger | 55c9dd3 | 2007-07-09 15:33:37 -0700 | [diff] [blame] | 2388 | if (rx[1]) |
| 2389 | sky2_rx_update(netdev_priv(hw->dev[1]), Q_R2); |
Stephen Hemminger | 22e1170 | 2006-07-12 15:23:48 -0700 | [diff] [blame] | 2390 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2391 | return work_done; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2392 | } |
| 2393 | |
| 2394 | static void sky2_hw_error(struct sky2_hw *hw, unsigned port, u32 status) |
| 2395 | { |
| 2396 | struct net_device *dev = hw->dev[port]; |
| 2397 | |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 2398 | if (net_ratelimit()) |
| 2399 | printk(KERN_INFO PFX "%s: hw error interrupt status 0x%x\n", |
| 2400 | dev->name, status); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2401 | |
| 2402 | if (status & Y2_IS_PAR_RD1) { |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 2403 | if (net_ratelimit()) |
| 2404 | printk(KERN_ERR PFX "%s: ram data read parity error\n", |
| 2405 | dev->name); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2406 | /* Clear IRQ */ |
| 2407 | sky2_write16(hw, RAM_BUFFER(port, B3_RI_CTRL), RI_CLR_RD_PERR); |
| 2408 | } |
| 2409 | |
| 2410 | if (status & Y2_IS_PAR_WR1) { |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 2411 | if (net_ratelimit()) |
| 2412 | printk(KERN_ERR PFX "%s: ram data write parity error\n", |
| 2413 | dev->name); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2414 | |
| 2415 | sky2_write16(hw, RAM_BUFFER(port, B3_RI_CTRL), RI_CLR_WR_PERR); |
| 2416 | } |
| 2417 | |
| 2418 | if (status & Y2_IS_PAR_MAC1) { |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 2419 | if (net_ratelimit()) |
| 2420 | printk(KERN_ERR PFX "%s: MAC parity error\n", dev->name); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2421 | sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_CLI_TX_PE); |
| 2422 | } |
| 2423 | |
| 2424 | if (status & Y2_IS_PAR_RX1) { |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 2425 | if (net_ratelimit()) |
| 2426 | printk(KERN_ERR PFX "%s: RX parity error\n", dev->name); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2427 | sky2_write32(hw, Q_ADDR(rxqaddr[port], Q_CSR), BMU_CLR_IRQ_PAR); |
| 2428 | } |
| 2429 | |
| 2430 | if (status & Y2_IS_TCP_TXA1) { |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 2431 | if (net_ratelimit()) |
| 2432 | printk(KERN_ERR PFX "%s: TCP segmentation error\n", |
| 2433 | dev->name); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2434 | sky2_write32(hw, Q_ADDR(txqaddr[port], Q_CSR), BMU_CLR_IRQ_TCP); |
| 2435 | } |
| 2436 | } |
| 2437 | |
| 2438 | static void sky2_hw_intr(struct sky2_hw *hw) |
| 2439 | { |
Stephen Hemminger | 555382c | 2007-08-29 12:58:14 -0700 | [diff] [blame] | 2440 | struct pci_dev *pdev = hw->pdev; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2441 | u32 status = sky2_read32(hw, B0_HWE_ISRC); |
Stephen Hemminger | 555382c | 2007-08-29 12:58:14 -0700 | [diff] [blame] | 2442 | u32 hwmsk = sky2_read32(hw, B0_HWE_IMSK); |
| 2443 | |
| 2444 | status &= hwmsk; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2445 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2446 | if (status & Y2_IS_TIST_OV) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2447 | sky2_write8(hw, GMAC_TI_ST_CTRL, GMT_ST_CLR_IRQ); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2448 | |
| 2449 | if (status & (Y2_IS_MST_ERR | Y2_IS_IRQ_STAT)) { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2450 | u16 pci_err; |
| 2451 | |
Stephen Hemminger | 167f53d | 2007-09-25 19:01:02 -0700 | [diff] [blame] | 2452 | pci_read_config_word(pdev, PCI_STATUS, &pci_err); |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 2453 | if (net_ratelimit()) |
Stephen Hemminger | 555382c | 2007-08-29 12:58:14 -0700 | [diff] [blame] | 2454 | dev_err(&pdev->dev, "PCI hardware error (0x%x)\n", |
Stephen Hemminger | b02a925 | 2007-02-06 10:45:40 -0800 | [diff] [blame] | 2455 | pci_err); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2456 | |
Stephen Hemminger | 167f53d | 2007-09-25 19:01:02 -0700 | [diff] [blame] | 2457 | pci_write_config_word(pdev, PCI_STATUS, |
| 2458 | pci_err | PCI_STATUS_ERROR_BITS); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2459 | } |
| 2460 | |
| 2461 | if (status & Y2_IS_PCI_EXP) { |
shemminger@osdl.org | d571b69 | 2005-10-26 12:16:09 -0700 | [diff] [blame] | 2462 | /* PCI-Express uncorrectable Error occurred */ |
Stephen Hemminger | 555382c | 2007-08-29 12:58:14 -0700 | [diff] [blame] | 2463 | int pos = pci_find_aer_capability(hw->pdev); |
| 2464 | u32 err; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2465 | |
Stephen Hemminger | 555382c | 2007-08-29 12:58:14 -0700 | [diff] [blame] | 2466 | pci_read_config_dword(pdev, pos + PCI_ERR_UNCOR_STATUS, &err); |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 2467 | if (net_ratelimit()) |
Stephen Hemminger | 555382c | 2007-08-29 12:58:14 -0700 | [diff] [blame] | 2468 | dev_err(&pdev->dev, "PCI Express error (0x%x)\n", err); |
| 2469 | pci_cleanup_aer_uncorrect_error_status(pdev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2470 | } |
| 2471 | |
| 2472 | if (status & Y2_HWE_L1_MASK) |
| 2473 | sky2_hw_error(hw, 0, status); |
| 2474 | status >>= 8; |
| 2475 | if (status & Y2_HWE_L1_MASK) |
| 2476 | sky2_hw_error(hw, 1, status); |
| 2477 | } |
| 2478 | |
| 2479 | static void sky2_mac_intr(struct sky2_hw *hw, unsigned port) |
| 2480 | { |
| 2481 | struct net_device *dev = hw->dev[port]; |
| 2482 | struct sky2_port *sky2 = netdev_priv(dev); |
| 2483 | u8 status = sky2_read8(hw, SK_REG(port, GMAC_IRQ_SRC)); |
| 2484 | |
| 2485 | if (netif_msg_intr(sky2)) |
| 2486 | printk(KERN_INFO PFX "%s: mac interrupt status 0x%x\n", |
| 2487 | dev->name, status); |
| 2488 | |
Stephen Hemminger | a3caead | 2007-05-14 12:38:13 -0700 | [diff] [blame] | 2489 | if (status & GM_IS_RX_CO_OV) |
| 2490 | gma_read16(hw, port, GM_RX_IRQ_SRC); |
| 2491 | |
| 2492 | if (status & GM_IS_TX_CO_OV) |
| 2493 | gma_read16(hw, port, GM_TX_IRQ_SRC); |
| 2494 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2495 | if (status & GM_IS_RX_FF_OR) { |
Stephen Hemminger | 7138a0f | 2007-10-11 19:48:22 -0700 | [diff] [blame] | 2496 | ++dev->stats.rx_fifo_errors; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2497 | sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_CLI_RX_FO); |
| 2498 | } |
| 2499 | |
| 2500 | if (status & GM_IS_TX_FF_UR) { |
Stephen Hemminger | 7138a0f | 2007-10-11 19:48:22 -0700 | [diff] [blame] | 2501 | ++dev->stats.tx_fifo_errors; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2502 | sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_CLI_TX_FU); |
| 2503 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2504 | } |
| 2505 | |
Stephen Hemminger | 40b0172 | 2007-04-11 14:47:59 -0700 | [diff] [blame] | 2506 | /* This should never happen it is a bug. */ |
| 2507 | static void sky2_le_error(struct sky2_hw *hw, unsigned port, |
| 2508 | u16 q, unsigned ring_size) |
Stephen Hemminger | d257924 | 2006-03-20 15:48:22 -0800 | [diff] [blame] | 2509 | { |
| 2510 | struct net_device *dev = hw->dev[port]; |
| 2511 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | 40b0172 | 2007-04-11 14:47:59 -0700 | [diff] [blame] | 2512 | unsigned idx; |
| 2513 | const u64 *le = (q == Q_R1 || q == Q_R2) |
| 2514 | ? (u64 *) sky2->rx_le : (u64 *) sky2->tx_le; |
Stephen Hemminger | d257924 | 2006-03-20 15:48:22 -0800 | [diff] [blame] | 2515 | |
Stephen Hemminger | 40b0172 | 2007-04-11 14:47:59 -0700 | [diff] [blame] | 2516 | idx = sky2_read16(hw, Y2_QADDR(q, PREF_UNIT_GET_IDX)); |
| 2517 | printk(KERN_ERR PFX "%s: descriptor error q=%#x get=%u [%llx] put=%u\n", |
| 2518 | dev->name, (unsigned) q, idx, (unsigned long long) le[idx], |
| 2519 | (unsigned) sky2_read16(hw, Y2_QADDR(q, PREF_UNIT_PUT_IDX))); |
Stephen Hemminger | d257924 | 2006-03-20 15:48:22 -0800 | [diff] [blame] | 2520 | |
Stephen Hemminger | 40b0172 | 2007-04-11 14:47:59 -0700 | [diff] [blame] | 2521 | sky2_write32(hw, Q_ADDR(q, Q_CSR), BMU_CLR_IRQ_CHK); |
Stephen Hemminger | d257924 | 2006-03-20 15:48:22 -0800 | [diff] [blame] | 2522 | } |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2523 | |
Stephen Hemminger | 75e8068 | 2007-09-19 15:36:46 -0700 | [diff] [blame] | 2524 | static int sky2_rx_hung(struct net_device *dev) |
| 2525 | { |
| 2526 | struct sky2_port *sky2 = netdev_priv(dev); |
| 2527 | struct sky2_hw *hw = sky2->hw; |
| 2528 | unsigned port = sky2->port; |
| 2529 | unsigned rxq = rxqaddr[port]; |
| 2530 | u32 mac_rp = sky2_read32(hw, SK_REG(port, RX_GMF_RP)); |
| 2531 | u8 mac_lev = sky2_read8(hw, SK_REG(port, RX_GMF_RLEV)); |
| 2532 | u8 fifo_rp = sky2_read8(hw, Q_ADDR(rxq, Q_RP)); |
| 2533 | u8 fifo_lev = sky2_read8(hw, Q_ADDR(rxq, Q_RL)); |
| 2534 | |
| 2535 | /* If idle and MAC or PCI is stuck */ |
| 2536 | if (sky2->check.last == dev->last_rx && |
| 2537 | ((mac_rp == sky2->check.mac_rp && |
| 2538 | mac_lev != 0 && mac_lev >= sky2->check.mac_lev) || |
| 2539 | /* Check if the PCI RX hang */ |
| 2540 | (fifo_rp == sky2->check.fifo_rp && |
| 2541 | fifo_lev != 0 && fifo_lev >= sky2->check.fifo_lev))) { |
| 2542 | printk(KERN_DEBUG PFX "%s: hung mac %d:%d fifo %d (%d:%d)\n", |
| 2543 | dev->name, mac_lev, mac_rp, fifo_lev, fifo_rp, |
| 2544 | sky2_read8(hw, Q_ADDR(rxq, Q_WP))); |
| 2545 | return 1; |
| 2546 | } else { |
| 2547 | sky2->check.last = dev->last_rx; |
| 2548 | sky2->check.mac_rp = mac_rp; |
| 2549 | sky2->check.mac_lev = mac_lev; |
| 2550 | sky2->check.fifo_rp = fifo_rp; |
| 2551 | sky2->check.fifo_lev = fifo_lev; |
| 2552 | return 0; |
| 2553 | } |
| 2554 | } |
| 2555 | |
Stephen Hemminger | 32c2c30 | 2007-08-21 14:34:03 -0700 | [diff] [blame] | 2556 | static void sky2_watchdog(unsigned long arg) |
Stephen Hemminger | d27ed38 | 2006-04-25 10:58:51 -0700 | [diff] [blame] | 2557 | { |
Stephen Hemminger | 01bd756 | 2006-05-08 15:11:30 -0700 | [diff] [blame] | 2558 | struct sky2_hw *hw = (struct sky2_hw *) arg; |
Stephen Hemminger | d27ed38 | 2006-04-25 10:58:51 -0700 | [diff] [blame] | 2559 | |
Stephen Hemminger | 75e8068 | 2007-09-19 15:36:46 -0700 | [diff] [blame] | 2560 | /* Check for lost IRQ once a second */ |
Stephen Hemminger | 32c2c30 | 2007-08-21 14:34:03 -0700 | [diff] [blame] | 2561 | if (sky2_read32(hw, B0_ISRC)) { |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 2562 | napi_schedule(&hw->napi); |
Stephen Hemminger | 75e8068 | 2007-09-19 15:36:46 -0700 | [diff] [blame] | 2563 | } else { |
| 2564 | int i, active = 0; |
| 2565 | |
| 2566 | for (i = 0; i < hw->ports; i++) { |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 2567 | struct net_device *dev = hw->dev[i]; |
Stephen Hemminger | 75e8068 | 2007-09-19 15:36:46 -0700 | [diff] [blame] | 2568 | if (!netif_running(dev)) |
| 2569 | continue; |
| 2570 | ++active; |
| 2571 | |
| 2572 | /* For chips with Rx FIFO, check if stuck */ |
Stephen Hemminger | e0c2811 | 2007-09-20 13:03:49 -0700 | [diff] [blame] | 2573 | if ((hw->flags & SKY2_HW_FIFO_HANG_CHECK) && |
Stephen Hemminger | 75e8068 | 2007-09-19 15:36:46 -0700 | [diff] [blame] | 2574 | sky2_rx_hung(dev)) { |
| 2575 | pr_info(PFX "%s: receiver hang detected\n", |
| 2576 | dev->name); |
| 2577 | schedule_work(&hw->restart_work); |
| 2578 | return; |
| 2579 | } |
| 2580 | } |
| 2581 | |
| 2582 | if (active == 0) |
| 2583 | return; |
Stephen Hemminger | 32c2c30 | 2007-08-21 14:34:03 -0700 | [diff] [blame] | 2584 | } |
| 2585 | |
Stephen Hemminger | 75e8068 | 2007-09-19 15:36:46 -0700 | [diff] [blame] | 2586 | mod_timer(&hw->watchdog_timer, round_jiffies(jiffies + HZ)); |
Stephen Hemminger | d27ed38 | 2006-04-25 10:58:51 -0700 | [diff] [blame] | 2587 | } |
| 2588 | |
Stephen Hemminger | 40b0172 | 2007-04-11 14:47:59 -0700 | [diff] [blame] | 2589 | /* Hardware/software error handling */ |
| 2590 | static void sky2_err_intr(struct sky2_hw *hw, u32 status) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2591 | { |
Stephen Hemminger | 40b0172 | 2007-04-11 14:47:59 -0700 | [diff] [blame] | 2592 | if (net_ratelimit()) |
| 2593 | dev_warn(&hw->pdev->dev, "error interrupt status=%#x\n", status); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2594 | |
Stephen Hemminger | 1e5f128 | 2006-05-08 15:11:27 -0700 | [diff] [blame] | 2595 | if (status & Y2_IS_HW_ERR) |
| 2596 | sky2_hw_intr(hw); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2597 | |
Stephen Hemminger | 1e5f128 | 2006-05-08 15:11:27 -0700 | [diff] [blame] | 2598 | if (status & Y2_IS_IRQ_MAC1) |
| 2599 | sky2_mac_intr(hw, 0); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2600 | |
Stephen Hemminger | 1e5f128 | 2006-05-08 15:11:27 -0700 | [diff] [blame] | 2601 | if (status & Y2_IS_IRQ_MAC2) |
| 2602 | sky2_mac_intr(hw, 1); |
Stephen Hemminger | d257924 | 2006-03-20 15:48:22 -0800 | [diff] [blame] | 2603 | |
Stephen Hemminger | 1e5f128 | 2006-05-08 15:11:27 -0700 | [diff] [blame] | 2604 | if (status & Y2_IS_CHK_RX1) |
Stephen Hemminger | 40b0172 | 2007-04-11 14:47:59 -0700 | [diff] [blame] | 2605 | sky2_le_error(hw, 0, Q_R1, RX_LE_SIZE); |
Stephen Hemminger | d257924 | 2006-03-20 15:48:22 -0800 | [diff] [blame] | 2606 | |
Stephen Hemminger | 1e5f128 | 2006-05-08 15:11:27 -0700 | [diff] [blame] | 2607 | if (status & Y2_IS_CHK_RX2) |
Stephen Hemminger | 40b0172 | 2007-04-11 14:47:59 -0700 | [diff] [blame] | 2608 | sky2_le_error(hw, 1, Q_R2, RX_LE_SIZE); |
Stephen Hemminger | d257924 | 2006-03-20 15:48:22 -0800 | [diff] [blame] | 2609 | |
Stephen Hemminger | 1e5f128 | 2006-05-08 15:11:27 -0700 | [diff] [blame] | 2610 | if (status & Y2_IS_CHK_TXA1) |
Stephen Hemminger | 40b0172 | 2007-04-11 14:47:59 -0700 | [diff] [blame] | 2611 | sky2_le_error(hw, 0, Q_XA1, TX_RING_SIZE); |
Stephen Hemminger | d257924 | 2006-03-20 15:48:22 -0800 | [diff] [blame] | 2612 | |
Stephen Hemminger | 1e5f128 | 2006-05-08 15:11:27 -0700 | [diff] [blame] | 2613 | if (status & Y2_IS_CHK_TXA2) |
Stephen Hemminger | 40b0172 | 2007-04-11 14:47:59 -0700 | [diff] [blame] | 2614 | sky2_le_error(hw, 1, Q_XA2, TX_RING_SIZE); |
| 2615 | } |
| 2616 | |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 2617 | static int sky2_poll(struct napi_struct *napi, int work_limit) |
Stephen Hemminger | 40b0172 | 2007-04-11 14:47:59 -0700 | [diff] [blame] | 2618 | { |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 2619 | struct sky2_hw *hw = container_of(napi, struct sky2_hw, napi); |
Stephen Hemminger | 40b0172 | 2007-04-11 14:47:59 -0700 | [diff] [blame] | 2620 | u32 status = sky2_read32(hw, B0_Y2_SP_EISR); |
David S. Miller | 6f53576 | 2007-10-11 18:08:29 -0700 | [diff] [blame] | 2621 | int work_done = 0; |
Stephen Hemminger | 2669183 | 2007-10-11 18:31:13 -0700 | [diff] [blame] | 2622 | u16 idx; |
Stephen Hemminger | 40b0172 | 2007-04-11 14:47:59 -0700 | [diff] [blame] | 2623 | |
| 2624 | if (unlikely(status & Y2_IS_ERROR)) |
| 2625 | sky2_err_intr(hw, status); |
| 2626 | |
| 2627 | if (status & Y2_IS_IRQ_PHY1) |
| 2628 | sky2_phy_intr(hw, 0); |
| 2629 | |
| 2630 | if (status & Y2_IS_IRQ_PHY2) |
| 2631 | sky2_phy_intr(hw, 1); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2632 | |
Stephen Hemminger | 2669183 | 2007-10-11 18:31:13 -0700 | [diff] [blame] | 2633 | while ((idx = sky2_read16(hw, STAT_PUT_IDX)) != hw->st_idx) { |
| 2634 | work_done += sky2_status_intr(hw, work_limit - work_done, idx); |
Stephen Hemminger | 1e5f128 | 2006-05-08 15:11:27 -0700 | [diff] [blame] | 2635 | |
David S. Miller | 6f53576 | 2007-10-11 18:08:29 -0700 | [diff] [blame] | 2636 | if (work_done >= work_limit) |
Stephen Hemminger | 2669183 | 2007-10-11 18:31:13 -0700 | [diff] [blame] | 2637 | goto done; |
Stephen Hemminger | fe2a24d | 2006-08-01 11:55:23 -0700 | [diff] [blame] | 2638 | } |
David S. Miller | 6f53576 | 2007-10-11 18:08:29 -0700 | [diff] [blame] | 2639 | |
Stephen Hemminger | 2669183 | 2007-10-11 18:31:13 -0700 | [diff] [blame] | 2640 | /* Bug/Errata workaround? |
| 2641 | * Need to kick the TX irq moderation timer. |
| 2642 | */ |
| 2643 | if (sky2_read8(hw, STAT_TX_TIMER_CTRL) == TIM_START) { |
| 2644 | sky2_write8(hw, STAT_TX_TIMER_CTRL, TIM_STOP); |
| 2645 | sky2_write8(hw, STAT_TX_TIMER_CTRL, TIM_START); |
| 2646 | } |
| 2647 | napi_complete(napi); |
| 2648 | sky2_read32(hw, B0_Y2_SP_LISR); |
| 2649 | done: |
| 2650 | |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 2651 | return work_done; |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2652 | } |
| 2653 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 2654 | static irqreturn_t sky2_intr(int irq, void *dev_id) |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2655 | { |
| 2656 | struct sky2_hw *hw = dev_id; |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2657 | u32 status; |
| 2658 | |
| 2659 | /* Reading this mask interrupts as side effect */ |
| 2660 | status = sky2_read32(hw, B0_Y2_SP_ISRC2); |
| 2661 | if (status == 0 || status == ~0) |
| 2662 | return IRQ_NONE; |
| 2663 | |
| 2664 | prefetch(&hw->st_le[hw->st_idx]); |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 2665 | |
| 2666 | napi_schedule(&hw->napi); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2667 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2668 | return IRQ_HANDLED; |
| 2669 | } |
| 2670 | |
| 2671 | #ifdef CONFIG_NET_POLL_CONTROLLER |
| 2672 | static void sky2_netpoll(struct net_device *dev) |
| 2673 | { |
| 2674 | struct sky2_port *sky2 = netdev_priv(dev); |
| 2675 | |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 2676 | napi_schedule(&sky2->hw->napi); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2677 | } |
| 2678 | #endif |
| 2679 | |
| 2680 | /* Chip internal frequency for clock calculations */ |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 2681 | static u32 sky2_mhz(const struct sky2_hw *hw) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2682 | { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2683 | switch (hw->chip_id) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2684 | case CHIP_ID_YUKON_EC: |
shemminger@osdl.org | 5a5b1ea | 2005-11-30 11:45:15 -0800 | [diff] [blame] | 2685 | case CHIP_ID_YUKON_EC_U: |
Stephen Hemminger | 9374549 | 2007-02-06 10:45:43 -0800 | [diff] [blame] | 2686 | case CHIP_ID_YUKON_EX: |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 2687 | return 125; |
| 2688 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2689 | case CHIP_ID_YUKON_FE: |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 2690 | return 100; |
| 2691 | |
| 2692 | case CHIP_ID_YUKON_FE_P: |
| 2693 | return 50; |
| 2694 | |
| 2695 | case CHIP_ID_YUKON_XL: |
| 2696 | return 156; |
| 2697 | |
| 2698 | default: |
| 2699 | BUG(); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2700 | } |
| 2701 | } |
| 2702 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2703 | static inline u32 sky2_us2clk(const struct sky2_hw *hw, u32 us) |
| 2704 | { |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 2705 | return sky2_mhz(hw) * us; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2706 | } |
| 2707 | |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 2708 | static inline u32 sky2_clk2us(const struct sky2_hw *hw, u32 clk) |
| 2709 | { |
| 2710 | return clk / sky2_mhz(hw); |
| 2711 | } |
| 2712 | |
| 2713 | |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 2714 | static int __devinit sky2_init(struct sky2_hw *hw) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2715 | { |
Stephen Hemminger | 167f53d | 2007-09-25 19:01:02 -0700 | [diff] [blame] | 2716 | int rc; |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 2717 | u8 t8; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2718 | |
Stephen Hemminger | 167f53d | 2007-09-25 19:01:02 -0700 | [diff] [blame] | 2719 | /* Enable all clocks and check for bad PCI access */ |
| 2720 | rc = pci_write_config_dword(hw->pdev, PCI_DEV_REG3, 0); |
| 2721 | if (rc) |
| 2722 | return rc; |
Stephen Hemminger | 451af33 | 2007-06-04 17:23:24 -0700 | [diff] [blame] | 2723 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2724 | sky2_write8(hw, B0_CTST, CS_RST_CLR); |
Stephen Hemminger | 08c06d8 | 2006-01-30 11:37:54 -0800 | [diff] [blame] | 2725 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2726 | hw->chip_id = sky2_read8(hw, B2_CHIP_ID); |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 2727 | hw->chip_rev = (sky2_read8(hw, B2_MAC_CFG) & CFG_CHIP_R_MSK) >> 4; |
| 2728 | |
| 2729 | switch(hw->chip_id) { |
| 2730 | case CHIP_ID_YUKON_XL: |
| 2731 | hw->flags = SKY2_HW_GIGABIT |
Stephen Hemminger | e0c2811 | 2007-09-20 13:03:49 -0700 | [diff] [blame] | 2732 | | SKY2_HW_NEWER_PHY; |
| 2733 | if (hw->chip_rev < 3) |
| 2734 | hw->flags |= SKY2_HW_FIFO_HANG_CHECK; |
| 2735 | |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 2736 | break; |
| 2737 | |
| 2738 | case CHIP_ID_YUKON_EC_U: |
| 2739 | hw->flags = SKY2_HW_GIGABIT |
| 2740 | | SKY2_HW_NEWER_PHY |
| 2741 | | SKY2_HW_ADV_POWER_CTL; |
| 2742 | break; |
| 2743 | |
| 2744 | case CHIP_ID_YUKON_EX: |
| 2745 | hw->flags = SKY2_HW_GIGABIT |
| 2746 | | SKY2_HW_NEWER_PHY |
| 2747 | | SKY2_HW_NEW_LE |
| 2748 | | SKY2_HW_ADV_POWER_CTL; |
| 2749 | |
| 2750 | /* New transmit checksum */ |
| 2751 | if (hw->chip_rev != CHIP_REV_YU_EX_B0) |
| 2752 | hw->flags |= SKY2_HW_AUTO_TX_SUM; |
| 2753 | break; |
| 2754 | |
| 2755 | case CHIP_ID_YUKON_EC: |
| 2756 | /* This rev is really old, and requires untested workarounds */ |
| 2757 | if (hw->chip_rev == CHIP_REV_YU_EC_A1) { |
| 2758 | dev_err(&hw->pdev->dev, "unsupported revision Yukon-EC rev A1\n"); |
| 2759 | return -EOPNOTSUPP; |
| 2760 | } |
Stephen Hemminger | e0c2811 | 2007-09-20 13:03:49 -0700 | [diff] [blame] | 2761 | hw->flags = SKY2_HW_GIGABIT | SKY2_HW_FIFO_HANG_CHECK; |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 2762 | break; |
| 2763 | |
| 2764 | case CHIP_ID_YUKON_FE: |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 2765 | break; |
| 2766 | |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 2767 | case CHIP_ID_YUKON_FE_P: |
| 2768 | hw->flags = SKY2_HW_NEWER_PHY |
| 2769 | | SKY2_HW_NEW_LE |
| 2770 | | SKY2_HW_AUTO_TX_SUM |
| 2771 | | SKY2_HW_ADV_POWER_CTL; |
| 2772 | break; |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 2773 | default: |
Stephen Hemminger | b02a925 | 2007-02-06 10:45:40 -0800 | [diff] [blame] | 2774 | dev_err(&hw->pdev->dev, "unsupported chip type 0x%x\n", |
| 2775 | hw->chip_id); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2776 | return -EOPNOTSUPP; |
| 2777 | } |
| 2778 | |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 2779 | hw->pmd_type = sky2_read8(hw, B2_PMD_TYP); |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 2780 | if (hw->pmd_type == 'L' || hw->pmd_type == 'S' || hw->pmd_type == 'P') |
| 2781 | hw->flags |= SKY2_HW_FIBRE_PHY; |
| 2782 | |
| 2783 | |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 2784 | hw->ports = 1; |
| 2785 | t8 = sky2_read8(hw, B2_Y2_HW_RES); |
| 2786 | if ((t8 & CFG_DUAL_MAC_MSK) == CFG_DUAL_MAC_MSK) { |
| 2787 | if (!(sky2_read8(hw, B2_Y2_CLK_GATE) & Y2_STATUS_LNK2_INAC)) |
| 2788 | ++hw->ports; |
| 2789 | } |
| 2790 | |
| 2791 | return 0; |
| 2792 | } |
| 2793 | |
| 2794 | static void sky2_reset(struct sky2_hw *hw) |
| 2795 | { |
Stephen Hemminger | 555382c | 2007-08-29 12:58:14 -0700 | [diff] [blame] | 2796 | struct pci_dev *pdev = hw->pdev; |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 2797 | u16 status; |
Stephen Hemminger | 555382c | 2007-08-29 12:58:14 -0700 | [diff] [blame] | 2798 | int i, cap; |
| 2799 | u32 hwe_mask = Y2_HWE_ALL_MASK; |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 2800 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2801 | /* disable ASF */ |
Stephen Hemminger | 4f44d8b | 2007-04-11 14:48:00 -0700 | [diff] [blame] | 2802 | if (hw->chip_id == CHIP_ID_YUKON_EX) { |
| 2803 | status = sky2_read16(hw, HCU_CCSR); |
| 2804 | status &= ~(HCU_CCSR_AHB_RST | HCU_CCSR_CPU_RST_MODE | |
| 2805 | HCU_CCSR_UC_STATE_MSK); |
| 2806 | sky2_write16(hw, HCU_CCSR, status); |
| 2807 | } else |
| 2808 | sky2_write8(hw, B28_Y2_ASF_STAT_CMD, Y2_ASF_RESET); |
| 2809 | sky2_write16(hw, B0_CTST, Y2_ASF_DISABLE); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2810 | |
| 2811 | /* do a SW reset */ |
| 2812 | sky2_write8(hw, B0_CTST, CS_RST_SET); |
| 2813 | sky2_write8(hw, B0_CTST, CS_RST_CLR); |
| 2814 | |
Stephen Hemminger | ac93a39 | 2007-11-05 15:52:08 -0800 | [diff] [blame] | 2815 | /* allow writes to PCI config */ |
| 2816 | sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON); |
| 2817 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2818 | /* clear PCI errors, if any */ |
Stephen Hemminger | 167f53d | 2007-09-25 19:01:02 -0700 | [diff] [blame] | 2819 | pci_read_config_word(pdev, PCI_STATUS, &status); |
| 2820 | status |= PCI_STATUS_ERROR_BITS; |
| 2821 | pci_write_config_word(pdev, PCI_STATUS, status); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2822 | |
| 2823 | sky2_write8(hw, B0_CTST, CS_MRST_CLR); |
| 2824 | |
Stephen Hemminger | 555382c | 2007-08-29 12:58:14 -0700 | [diff] [blame] | 2825 | cap = pci_find_capability(pdev, PCI_CAP_ID_EXP); |
| 2826 | if (cap) { |
| 2827 | /* Check for advanced error reporting */ |
| 2828 | pci_cleanup_aer_uncorrect_error_status(pdev); |
| 2829 | pci_cleanup_aer_correct_error_status(pdev); |
Stephen Hemminger | 7bd656d | 2006-10-09 14:40:38 -0700 | [diff] [blame] | 2830 | |
Stephen Hemminger | 555382c | 2007-08-29 12:58:14 -0700 | [diff] [blame] | 2831 | /* If error bit is stuck on ignore it */ |
| 2832 | if (sky2_read32(hw, B0_HWE_ISRC) & Y2_IS_PCI_EXP) |
| 2833 | dev_info(&pdev->dev, "ignoring stuck error report bit\n"); |
| 2834 | |
| 2835 | else if (pci_enable_pcie_error_reporting(pdev)) |
| 2836 | hwe_mask |= Y2_IS_PCI_EXP; |
| 2837 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2838 | |
Stephen Hemminger | ae306cc | 2006-12-20 13:06:36 -0800 | [diff] [blame] | 2839 | sky2_power_on(hw); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2840 | |
| 2841 | for (i = 0; i < hw->ports; i++) { |
| 2842 | sky2_write8(hw, SK_REG(i, GMAC_LINK_CTRL), GMLC_RST_SET); |
| 2843 | sky2_write8(hw, SK_REG(i, GMAC_LINK_CTRL), GMLC_RST_CLR); |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 2844 | |
| 2845 | if (hw->chip_id == CHIP_ID_YUKON_EX) |
| 2846 | sky2_write16(hw, SK_REG(i, GMAC_CTRL), |
| 2847 | GMC_BYP_MACSECRX_ON | GMC_BYP_MACSECTX_ON |
| 2848 | | GMC_BYP_RETR_ON); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2849 | } |
| 2850 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2851 | /* Clear I2C IRQ noise */ |
| 2852 | sky2_write32(hw, B2_I2C_IRQ, 1); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2853 | |
| 2854 | /* turn off hardware timer (unused) */ |
| 2855 | sky2_write8(hw, B2_TI_CTRL, TIM_STOP); |
| 2856 | sky2_write8(hw, B2_TI_CTRL, TIM_CLR_IRQ); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2857 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2858 | sky2_write8(hw, B0_Y2LED, LED_STAT_ON); |
| 2859 | |
Stephen Hemminger | 69634ee | 2005-12-09 11:35:06 -0800 | [diff] [blame] | 2860 | /* Turn off descriptor polling */ |
| 2861 | sky2_write32(hw, B28_DPT_CTRL, DPT_STOP); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2862 | |
| 2863 | /* Turn off receive timestamp */ |
| 2864 | sky2_write8(hw, GMAC_TI_ST_CTRL, GMT_ST_STOP); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2865 | sky2_write8(hw, GMAC_TI_ST_CTRL, GMT_ST_CLR_IRQ); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2866 | |
| 2867 | /* enable the Tx Arbiters */ |
| 2868 | for (i = 0; i < hw->ports; i++) |
| 2869 | sky2_write8(hw, SK_REG(i, TXA_CTRL), TXA_ENA_ARB); |
| 2870 | |
| 2871 | /* Initialize ram interface */ |
| 2872 | for (i = 0; i < hw->ports; i++) { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2873 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_CTRL), RI_RST_CLR); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2874 | |
| 2875 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_WTO_R1), SK_RI_TO_53); |
| 2876 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_WTO_XA1), SK_RI_TO_53); |
| 2877 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_WTO_XS1), SK_RI_TO_53); |
| 2878 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_RTO_R1), SK_RI_TO_53); |
| 2879 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_RTO_XA1), SK_RI_TO_53); |
| 2880 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_RTO_XS1), SK_RI_TO_53); |
| 2881 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_WTO_R2), SK_RI_TO_53); |
| 2882 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_WTO_XA2), SK_RI_TO_53); |
| 2883 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_WTO_XS2), SK_RI_TO_53); |
| 2884 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_RTO_R2), SK_RI_TO_53); |
| 2885 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_RTO_XA2), SK_RI_TO_53); |
| 2886 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_RTO_XS2), SK_RI_TO_53); |
| 2887 | } |
| 2888 | |
Stephen Hemminger | 555382c | 2007-08-29 12:58:14 -0700 | [diff] [blame] | 2889 | sky2_write32(hw, B0_HWE_IMSK, hwe_mask); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2890 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2891 | for (i = 0; i < hw->ports; i++) |
shemminger@osdl.org | d3bcfbe | 2006-08-28 10:00:51 -0700 | [diff] [blame] | 2892 | sky2_gmac_reset(hw, i); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2893 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2894 | memset(hw->st_le, 0, STATUS_LE_BYTES); |
| 2895 | hw->st_idx = 0; |
| 2896 | |
| 2897 | sky2_write32(hw, STAT_CTRL, SC_STAT_RST_SET); |
| 2898 | sky2_write32(hw, STAT_CTRL, SC_STAT_RST_CLR); |
| 2899 | |
| 2900 | sky2_write32(hw, STAT_LIST_ADDR_LO, hw->st_dma); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2901 | sky2_write32(hw, STAT_LIST_ADDR_HI, (u64) hw->st_dma >> 32); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2902 | |
| 2903 | /* Set the list last index */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2904 | sky2_write16(hw, STAT_LAST_IDX, STATUS_RING_SIZE - 1); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2905 | |
Stephen Hemminger | 290d4de | 2006-03-20 15:48:15 -0800 | [diff] [blame] | 2906 | sky2_write16(hw, STAT_TX_IDX_TH, 10); |
| 2907 | sky2_write8(hw, STAT_FIFO_WM, 16); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2908 | |
Stephen Hemminger | 290d4de | 2006-03-20 15:48:15 -0800 | [diff] [blame] | 2909 | /* set Status-FIFO ISR watermark */ |
| 2910 | if (hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev == 0) |
| 2911 | sky2_write8(hw, STAT_FIFO_ISR_WM, 4); |
| 2912 | else |
| 2913 | sky2_write8(hw, STAT_FIFO_ISR_WM, 16); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2914 | |
Stephen Hemminger | 290d4de | 2006-03-20 15:48:15 -0800 | [diff] [blame] | 2915 | sky2_write32(hw, STAT_TX_TIMER_INI, sky2_us2clk(hw, 1000)); |
Stephen Hemminger | 77b3d6a | 2006-03-20 15:48:18 -0800 | [diff] [blame] | 2916 | sky2_write32(hw, STAT_ISR_TIMER_INI, sky2_us2clk(hw, 20)); |
| 2917 | sky2_write32(hw, STAT_LEV_TIMER_INI, sky2_us2clk(hw, 100)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2918 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2919 | /* enable status unit */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2920 | sky2_write32(hw, STAT_CTRL, SC_STAT_OP_ON); |
| 2921 | |
| 2922 | sky2_write8(hw, STAT_TX_TIMER_CTRL, TIM_START); |
| 2923 | sky2_write8(hw, STAT_LEV_TIMER_CTRL, TIM_START); |
| 2924 | sky2_write8(hw, STAT_ISR_TIMER_CTRL, TIM_START); |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 2925 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2926 | |
Stephen Hemminger | 8190679 | 2007-02-15 16:40:33 -0800 | [diff] [blame] | 2927 | static void sky2_restart(struct work_struct *work) |
| 2928 | { |
| 2929 | struct sky2_hw *hw = container_of(work, struct sky2_hw, restart_work); |
| 2930 | struct net_device *dev; |
| 2931 | int i, err; |
| 2932 | |
Stephen Hemminger | 8190679 | 2007-02-15 16:40:33 -0800 | [diff] [blame] | 2933 | rtnl_lock(); |
| 2934 | sky2_write32(hw, B0_IMSK, 0); |
| 2935 | sky2_read32(hw, B0_IMSK); |
Stephen Hemminger | 6de1623 | 2007-10-17 13:26:42 -0700 | [diff] [blame] | 2936 | napi_disable(&hw->napi); |
Stephen Hemminger | 8190679 | 2007-02-15 16:40:33 -0800 | [diff] [blame] | 2937 | |
Stephen Hemminger | 8190679 | 2007-02-15 16:40:33 -0800 | [diff] [blame] | 2938 | for (i = 0; i < hw->ports; i++) { |
| 2939 | dev = hw->dev[i]; |
| 2940 | if (netif_running(dev)) |
| 2941 | sky2_down(dev); |
| 2942 | } |
| 2943 | |
| 2944 | sky2_reset(hw); |
| 2945 | sky2_write32(hw, B0_IMSK, Y2_IS_BASE); |
Stephen Hemminger | 6de1623 | 2007-10-17 13:26:42 -0700 | [diff] [blame] | 2946 | napi_enable(&hw->napi); |
Stephen Hemminger | 8190679 | 2007-02-15 16:40:33 -0800 | [diff] [blame] | 2947 | |
| 2948 | for (i = 0; i < hw->ports; i++) { |
| 2949 | dev = hw->dev[i]; |
| 2950 | if (netif_running(dev)) { |
| 2951 | err = sky2_up(dev); |
| 2952 | if (err) { |
| 2953 | printk(KERN_INFO PFX "%s: could not restart %d\n", |
| 2954 | dev->name, err); |
| 2955 | dev_close(dev); |
| 2956 | } |
| 2957 | } |
| 2958 | } |
| 2959 | |
Stephen Hemminger | 8190679 | 2007-02-15 16:40:33 -0800 | [diff] [blame] | 2960 | rtnl_unlock(); |
| 2961 | } |
| 2962 | |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 2963 | static inline u8 sky2_wol_supported(const struct sky2_hw *hw) |
| 2964 | { |
| 2965 | return sky2_is_copper(hw) ? (WAKE_PHY | WAKE_MAGIC) : 0; |
| 2966 | } |
| 2967 | |
| 2968 | static void sky2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) |
| 2969 | { |
| 2970 | const struct sky2_port *sky2 = netdev_priv(dev); |
| 2971 | |
| 2972 | wol->supported = sky2_wol_supported(sky2->hw); |
| 2973 | wol->wolopts = sky2->wol; |
| 2974 | } |
| 2975 | |
| 2976 | static int sky2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) |
| 2977 | { |
| 2978 | struct sky2_port *sky2 = netdev_priv(dev); |
| 2979 | struct sky2_hw *hw = sky2->hw; |
| 2980 | |
| 2981 | if (wol->wolopts & ~sky2_wol_supported(sky2->hw)) |
| 2982 | return -EOPNOTSUPP; |
| 2983 | |
| 2984 | sky2->wol = wol->wolopts; |
| 2985 | |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 2986 | if (hw->chip_id == CHIP_ID_YUKON_EC_U || |
| 2987 | hw->chip_id == CHIP_ID_YUKON_EX || |
| 2988 | hw->chip_id == CHIP_ID_YUKON_FE_P) |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 2989 | sky2_write32(hw, B0_CTST, sky2->wol |
| 2990 | ? Y2_HW_WOL_ON : Y2_HW_WOL_OFF); |
| 2991 | |
| 2992 | if (!netif_running(dev)) |
| 2993 | sky2_wol_init(sky2); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2994 | return 0; |
| 2995 | } |
| 2996 | |
Stephen Hemminger | 28bd181 | 2006-01-17 13:43:19 -0800 | [diff] [blame] | 2997 | static u32 sky2_supported_modes(const struct sky2_hw *hw) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2998 | { |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 2999 | if (sky2_is_copper(hw)) { |
| 3000 | u32 modes = SUPPORTED_10baseT_Half |
| 3001 | | SUPPORTED_10baseT_Full |
| 3002 | | SUPPORTED_100baseT_Half |
| 3003 | | SUPPORTED_100baseT_Full |
| 3004 | | SUPPORTED_Autoneg | SUPPORTED_TP; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3005 | |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 3006 | if (hw->flags & SKY2_HW_GIGABIT) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3007 | modes |= SUPPORTED_1000baseT_Half |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 3008 | | SUPPORTED_1000baseT_Full; |
| 3009 | return modes; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3010 | } else |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 3011 | return SUPPORTED_1000baseT_Half |
| 3012 | | SUPPORTED_1000baseT_Full |
| 3013 | | SUPPORTED_Autoneg |
| 3014 | | SUPPORTED_FIBRE; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3015 | } |
| 3016 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3017 | static int sky2_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3018 | { |
| 3019 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3020 | struct sky2_hw *hw = sky2->hw; |
| 3021 | |
| 3022 | ecmd->transceiver = XCVR_INTERNAL; |
| 3023 | ecmd->supported = sky2_supported_modes(hw); |
| 3024 | ecmd->phy_address = PHY_ADDR_MARV; |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 3025 | if (sky2_is_copper(hw)) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3026 | ecmd->port = PORT_TP; |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 3027 | ecmd->speed = sky2->speed; |
| 3028 | } else { |
| 3029 | ecmd->speed = SPEED_1000; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3030 | ecmd->port = PORT_FIBRE; |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 3031 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3032 | |
| 3033 | ecmd->advertising = sky2->advertising; |
| 3034 | ecmd->autoneg = sky2->autoneg; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3035 | ecmd->duplex = sky2->duplex; |
| 3036 | return 0; |
| 3037 | } |
| 3038 | |
| 3039 | static int sky2_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd) |
| 3040 | { |
| 3041 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3042 | const struct sky2_hw *hw = sky2->hw; |
| 3043 | u32 supported = sky2_supported_modes(hw); |
| 3044 | |
| 3045 | if (ecmd->autoneg == AUTONEG_ENABLE) { |
| 3046 | ecmd->advertising = supported; |
| 3047 | sky2->duplex = -1; |
| 3048 | sky2->speed = -1; |
| 3049 | } else { |
| 3050 | u32 setting; |
| 3051 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3052 | switch (ecmd->speed) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3053 | case SPEED_1000: |
| 3054 | if (ecmd->duplex == DUPLEX_FULL) |
| 3055 | setting = SUPPORTED_1000baseT_Full; |
| 3056 | else if (ecmd->duplex == DUPLEX_HALF) |
| 3057 | setting = SUPPORTED_1000baseT_Half; |
| 3058 | else |
| 3059 | return -EINVAL; |
| 3060 | break; |
| 3061 | case SPEED_100: |
| 3062 | if (ecmd->duplex == DUPLEX_FULL) |
| 3063 | setting = SUPPORTED_100baseT_Full; |
| 3064 | else if (ecmd->duplex == DUPLEX_HALF) |
| 3065 | setting = SUPPORTED_100baseT_Half; |
| 3066 | else |
| 3067 | return -EINVAL; |
| 3068 | break; |
| 3069 | |
| 3070 | case SPEED_10: |
| 3071 | if (ecmd->duplex == DUPLEX_FULL) |
| 3072 | setting = SUPPORTED_10baseT_Full; |
| 3073 | else if (ecmd->duplex == DUPLEX_HALF) |
| 3074 | setting = SUPPORTED_10baseT_Half; |
| 3075 | else |
| 3076 | return -EINVAL; |
| 3077 | break; |
| 3078 | default: |
| 3079 | return -EINVAL; |
| 3080 | } |
| 3081 | |
| 3082 | if ((setting & supported) == 0) |
| 3083 | return -EINVAL; |
| 3084 | |
| 3085 | sky2->speed = ecmd->speed; |
| 3086 | sky2->duplex = ecmd->duplex; |
| 3087 | } |
| 3088 | |
| 3089 | sky2->autoneg = ecmd->autoneg; |
| 3090 | sky2->advertising = ecmd->advertising; |
| 3091 | |
Stephen Hemminger | d1b139c | 2007-09-05 16:56:19 +0100 | [diff] [blame] | 3092 | if (netif_running(dev)) { |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 3093 | sky2_phy_reinit(sky2); |
Stephen Hemminger | d1b139c | 2007-09-05 16:56:19 +0100 | [diff] [blame] | 3094 | sky2_set_multicast(dev); |
| 3095 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3096 | |
| 3097 | return 0; |
| 3098 | } |
| 3099 | |
| 3100 | static void sky2_get_drvinfo(struct net_device *dev, |
| 3101 | struct ethtool_drvinfo *info) |
| 3102 | { |
| 3103 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3104 | |
| 3105 | strcpy(info->driver, DRV_NAME); |
| 3106 | strcpy(info->version, DRV_VERSION); |
| 3107 | strcpy(info->fw_version, "N/A"); |
| 3108 | strcpy(info->bus_info, pci_name(sky2->hw->pdev)); |
| 3109 | } |
| 3110 | |
| 3111 | static const struct sky2_stat { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3112 | char name[ETH_GSTRING_LEN]; |
| 3113 | u16 offset; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3114 | } sky2_stats[] = { |
| 3115 | { "tx_bytes", GM_TXO_OK_HI }, |
| 3116 | { "rx_bytes", GM_RXO_OK_HI }, |
| 3117 | { "tx_broadcast", GM_TXF_BC_OK }, |
| 3118 | { "rx_broadcast", GM_RXF_BC_OK }, |
| 3119 | { "tx_multicast", GM_TXF_MC_OK }, |
| 3120 | { "rx_multicast", GM_RXF_MC_OK }, |
| 3121 | { "tx_unicast", GM_TXF_UC_OK }, |
| 3122 | { "rx_unicast", GM_RXF_UC_OK }, |
| 3123 | { "tx_mac_pause", GM_TXF_MPAUSE }, |
| 3124 | { "rx_mac_pause", GM_RXF_MPAUSE }, |
Stephen Hemminger | eadfa7dd | 2006-03-22 10:38:45 -0800 | [diff] [blame] | 3125 | { "collisions", GM_TXF_COL }, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3126 | { "late_collision",GM_TXF_LAT_COL }, |
| 3127 | { "aborted", GM_TXF_ABO_COL }, |
Stephen Hemminger | eadfa7dd | 2006-03-22 10:38:45 -0800 | [diff] [blame] | 3128 | { "single_collisions", GM_TXF_SNG_COL }, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3129 | { "multi_collisions", GM_TXF_MUL_COL }, |
Stephen Hemminger | eadfa7dd | 2006-03-22 10:38:45 -0800 | [diff] [blame] | 3130 | |
Stephen Hemminger | d260454 | 2006-03-23 08:51:36 -0800 | [diff] [blame] | 3131 | { "rx_short", GM_RXF_SHT }, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3132 | { "rx_runt", GM_RXE_FRAG }, |
Stephen Hemminger | eadfa7dd | 2006-03-22 10:38:45 -0800 | [diff] [blame] | 3133 | { "rx_64_byte_packets", GM_RXF_64B }, |
| 3134 | { "rx_65_to_127_byte_packets", GM_RXF_127B }, |
| 3135 | { "rx_128_to_255_byte_packets", GM_RXF_255B }, |
| 3136 | { "rx_256_to_511_byte_packets", GM_RXF_511B }, |
| 3137 | { "rx_512_to_1023_byte_packets", GM_RXF_1023B }, |
| 3138 | { "rx_1024_to_1518_byte_packets", GM_RXF_1518B }, |
| 3139 | { "rx_1518_to_max_byte_packets", GM_RXF_MAX_SZ }, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3140 | { "rx_too_long", GM_RXF_LNG_ERR }, |
Stephen Hemminger | eadfa7dd | 2006-03-22 10:38:45 -0800 | [diff] [blame] | 3141 | { "rx_fifo_overflow", GM_RXE_FIFO_OV }, |
| 3142 | { "rx_jabber", GM_RXF_JAB_PKT }, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3143 | { "rx_fcs_error", GM_RXF_FCS_ERR }, |
Stephen Hemminger | eadfa7dd | 2006-03-22 10:38:45 -0800 | [diff] [blame] | 3144 | |
| 3145 | { "tx_64_byte_packets", GM_TXF_64B }, |
| 3146 | { "tx_65_to_127_byte_packets", GM_TXF_127B }, |
| 3147 | { "tx_128_to_255_byte_packets", GM_TXF_255B }, |
| 3148 | { "tx_256_to_511_byte_packets", GM_TXF_511B }, |
| 3149 | { "tx_512_to_1023_byte_packets", GM_TXF_1023B }, |
| 3150 | { "tx_1024_to_1518_byte_packets", GM_TXF_1518B }, |
| 3151 | { "tx_1519_to_max_byte_packets", GM_TXF_MAX_SZ }, |
| 3152 | { "tx_fifo_underrun", GM_TXE_FIFO_UR }, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3153 | }; |
| 3154 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3155 | static u32 sky2_get_rx_csum(struct net_device *dev) |
| 3156 | { |
| 3157 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3158 | |
| 3159 | return sky2->rx_csum; |
| 3160 | } |
| 3161 | |
| 3162 | static int sky2_set_rx_csum(struct net_device *dev, u32 data) |
| 3163 | { |
| 3164 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3165 | |
| 3166 | sky2->rx_csum = data; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3167 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3168 | sky2_write32(sky2->hw, Q_ADDR(rxqaddr[sky2->port], Q_CSR), |
| 3169 | data ? BMU_ENA_RX_CHKSUM : BMU_DIS_RX_CHKSUM); |
| 3170 | |
| 3171 | return 0; |
| 3172 | } |
| 3173 | |
| 3174 | static u32 sky2_get_msglevel(struct net_device *netdev) |
| 3175 | { |
| 3176 | struct sky2_port *sky2 = netdev_priv(netdev); |
| 3177 | return sky2->msg_enable; |
| 3178 | } |
| 3179 | |
Stephen Hemminger | 9a7ae0a | 2005-09-27 15:28:42 -0700 | [diff] [blame] | 3180 | static int sky2_nway_reset(struct net_device *dev) |
| 3181 | { |
| 3182 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | 9a7ae0a | 2005-09-27 15:28:42 -0700 | [diff] [blame] | 3183 | |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 3184 | if (!netif_running(dev) || sky2->autoneg != AUTONEG_ENABLE) |
Stephen Hemminger | 9a7ae0a | 2005-09-27 15:28:42 -0700 | [diff] [blame] | 3185 | return -EINVAL; |
| 3186 | |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 3187 | sky2_phy_reinit(sky2); |
Stephen Hemminger | d1b139c | 2007-09-05 16:56:19 +0100 | [diff] [blame] | 3188 | sky2_set_multicast(dev); |
Stephen Hemminger | 9a7ae0a | 2005-09-27 15:28:42 -0700 | [diff] [blame] | 3189 | |
| 3190 | return 0; |
| 3191 | } |
| 3192 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3193 | static void sky2_phy_stats(struct sky2_port *sky2, u64 * data, unsigned count) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3194 | { |
| 3195 | struct sky2_hw *hw = sky2->hw; |
| 3196 | unsigned port = sky2->port; |
| 3197 | int i; |
| 3198 | |
| 3199 | data[0] = (u64) gma_read32(hw, port, GM_TXO_OK_HI) << 32 |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3200 | | (u64) gma_read32(hw, port, GM_TXO_OK_LO); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3201 | data[1] = (u64) gma_read32(hw, port, GM_RXO_OK_HI) << 32 |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3202 | | (u64) gma_read32(hw, port, GM_RXO_OK_LO); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3203 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3204 | for (i = 2; i < count; i++) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3205 | data[i] = (u64) gma_read32(hw, port, sky2_stats[i].offset); |
| 3206 | } |
| 3207 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3208 | static void sky2_set_msglevel(struct net_device *netdev, u32 value) |
| 3209 | { |
| 3210 | struct sky2_port *sky2 = netdev_priv(netdev); |
| 3211 | sky2->msg_enable = value; |
| 3212 | } |
| 3213 | |
Jeff Garzik | b9f2c04 | 2007-10-03 18:07:32 -0700 | [diff] [blame] | 3214 | static int sky2_get_sset_count(struct net_device *dev, int sset) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3215 | { |
Jeff Garzik | b9f2c04 | 2007-10-03 18:07:32 -0700 | [diff] [blame] | 3216 | switch (sset) { |
| 3217 | case ETH_SS_STATS: |
| 3218 | return ARRAY_SIZE(sky2_stats); |
| 3219 | default: |
| 3220 | return -EOPNOTSUPP; |
| 3221 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3222 | } |
| 3223 | |
| 3224 | static void sky2_get_ethtool_stats(struct net_device *dev, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3225 | struct ethtool_stats *stats, u64 * data) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3226 | { |
| 3227 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3228 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3229 | sky2_phy_stats(sky2, data, ARRAY_SIZE(sky2_stats)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3230 | } |
| 3231 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3232 | static void sky2_get_strings(struct net_device *dev, u32 stringset, u8 * data) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3233 | { |
| 3234 | int i; |
| 3235 | |
| 3236 | switch (stringset) { |
| 3237 | case ETH_SS_STATS: |
| 3238 | for (i = 0; i < ARRAY_SIZE(sky2_stats); i++) |
| 3239 | memcpy(data + i * ETH_GSTRING_LEN, |
| 3240 | sky2_stats[i].name, ETH_GSTRING_LEN); |
| 3241 | break; |
| 3242 | } |
| 3243 | } |
| 3244 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3245 | static int sky2_set_mac_address(struct net_device *dev, void *p) |
| 3246 | { |
| 3247 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | a8ab1ec | 2006-01-30 11:37:57 -0800 | [diff] [blame] | 3248 | struct sky2_hw *hw = sky2->hw; |
| 3249 | unsigned port = sky2->port; |
| 3250 | const struct sockaddr *addr = p; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3251 | |
| 3252 | if (!is_valid_ether_addr(addr->sa_data)) |
| 3253 | return -EADDRNOTAVAIL; |
| 3254 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3255 | memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN); |
Stephen Hemminger | a8ab1ec | 2006-01-30 11:37:57 -0800 | [diff] [blame] | 3256 | memcpy_toio(hw->regs + B2_MAC_1 + port * 8, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3257 | dev->dev_addr, ETH_ALEN); |
Stephen Hemminger | a8ab1ec | 2006-01-30 11:37:57 -0800 | [diff] [blame] | 3258 | memcpy_toio(hw->regs + B2_MAC_2 + port * 8, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3259 | dev->dev_addr, ETH_ALEN); |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 3260 | |
Stephen Hemminger | a8ab1ec | 2006-01-30 11:37:57 -0800 | [diff] [blame] | 3261 | /* virtual address for data */ |
| 3262 | gma_set_addr(hw, port, GM_SRC_ADDR_2L, dev->dev_addr); |
| 3263 | |
| 3264 | /* physical address: used for pause frames */ |
| 3265 | gma_set_addr(hw, port, GM_SRC_ADDR_1L, dev->dev_addr); |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 3266 | |
| 3267 | return 0; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3268 | } |
| 3269 | |
Stephen Hemminger | a052b52 | 2006-10-17 10:24:23 -0700 | [diff] [blame] | 3270 | static void inline sky2_add_filter(u8 filter[8], const u8 *addr) |
| 3271 | { |
| 3272 | u32 bit; |
| 3273 | |
| 3274 | bit = ether_crc(ETH_ALEN, addr) & 63; |
| 3275 | filter[bit >> 3] |= 1 << (bit & 7); |
| 3276 | } |
| 3277 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3278 | static void sky2_set_multicast(struct net_device *dev) |
| 3279 | { |
| 3280 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3281 | struct sky2_hw *hw = sky2->hw; |
| 3282 | unsigned port = sky2->port; |
| 3283 | struct dev_mc_list *list = dev->mc_list; |
| 3284 | u16 reg; |
| 3285 | u8 filter[8]; |
Stephen Hemminger | a052b52 | 2006-10-17 10:24:23 -0700 | [diff] [blame] | 3286 | int rx_pause; |
| 3287 | static const u8 pause_mc_addr[ETH_ALEN] = { 0x1, 0x80, 0xc2, 0x0, 0x0, 0x1 }; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3288 | |
Stephen Hemminger | a052b52 | 2006-10-17 10:24:23 -0700 | [diff] [blame] | 3289 | rx_pause = (sky2->flow_status == FC_RX || sky2->flow_status == FC_BOTH); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3290 | memset(filter, 0, sizeof(filter)); |
| 3291 | |
| 3292 | reg = gma_read16(hw, port, GM_RX_CTRL); |
| 3293 | reg |= GM_RXCR_UCF_ENA; |
| 3294 | |
shemminger@osdl.org | d571b69 | 2005-10-26 12:16:09 -0700 | [diff] [blame] | 3295 | if (dev->flags & IFF_PROMISC) /* promiscuous */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3296 | reg &= ~(GM_RXCR_UCF_ENA | GM_RXCR_MCF_ENA); |
Stephen Hemminger | a052b52 | 2006-10-17 10:24:23 -0700 | [diff] [blame] | 3297 | else if (dev->flags & IFF_ALLMULTI) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3298 | memset(filter, 0xff, sizeof(filter)); |
Stephen Hemminger | a052b52 | 2006-10-17 10:24:23 -0700 | [diff] [blame] | 3299 | else if (dev->mc_count == 0 && !rx_pause) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3300 | reg &= ~GM_RXCR_MCF_ENA; |
| 3301 | else { |
| 3302 | int i; |
| 3303 | reg |= GM_RXCR_MCF_ENA; |
| 3304 | |
Stephen Hemminger | a052b52 | 2006-10-17 10:24:23 -0700 | [diff] [blame] | 3305 | if (rx_pause) |
| 3306 | sky2_add_filter(filter, pause_mc_addr); |
| 3307 | |
| 3308 | for (i = 0; list && i < dev->mc_count; i++, list = list->next) |
| 3309 | sky2_add_filter(filter, list->dmi_addr); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3310 | } |
| 3311 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3312 | gma_write16(hw, port, GM_MC_ADDR_H1, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3313 | (u16) filter[0] | ((u16) filter[1] << 8)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3314 | gma_write16(hw, port, GM_MC_ADDR_H2, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3315 | (u16) filter[2] | ((u16) filter[3] << 8)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3316 | gma_write16(hw, port, GM_MC_ADDR_H3, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3317 | (u16) filter[4] | ((u16) filter[5] << 8)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3318 | gma_write16(hw, port, GM_MC_ADDR_H4, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3319 | (u16) filter[6] | ((u16) filter[7] << 8)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3320 | |
| 3321 | gma_write16(hw, port, GM_RX_CTRL, reg); |
| 3322 | } |
| 3323 | |
| 3324 | /* Can have one global because blinking is controlled by |
| 3325 | * ethtool and that is always under RTNL mutex |
| 3326 | */ |
Stephen Hemminger | 91c86df | 2005-12-09 11:34:57 -0800 | [diff] [blame] | 3327 | static void sky2_led(struct sky2_hw *hw, unsigned port, int on) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3328 | { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3329 | u16 pg; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3330 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3331 | switch (hw->chip_id) { |
| 3332 | case CHIP_ID_YUKON_XL: |
| 3333 | pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); |
| 3334 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 3); |
| 3335 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, |
| 3336 | on ? (PHY_M_LEDC_LOS_CTRL(1) | |
| 3337 | PHY_M_LEDC_INIT_CTRL(7) | |
| 3338 | PHY_M_LEDC_STA1_CTRL(7) | |
| 3339 | PHY_M_LEDC_STA0_CTRL(7)) |
| 3340 | : 0); |
| 3341 | |
| 3342 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg); |
| 3343 | break; |
| 3344 | |
| 3345 | default: |
| 3346 | gm_phy_write(hw, port, PHY_MARV_LED_CTRL, 0); |
Stephen Hemminger | 0efdf26 | 2006-12-05 12:03:41 -0800 | [diff] [blame] | 3347 | gm_phy_write(hw, port, PHY_MARV_LED_OVER, |
| 3348 | on ? PHY_M_LED_ALL : 0); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3349 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3350 | } |
| 3351 | |
| 3352 | /* blink LED's for finding board */ |
| 3353 | static int sky2_phys_id(struct net_device *dev, u32 data) |
| 3354 | { |
| 3355 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3356 | struct sky2_hw *hw = sky2->hw; |
| 3357 | unsigned port = sky2->port; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3358 | u16 ledctrl, ledover = 0; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3359 | long ms; |
Stephen Hemminger | 91c86df | 2005-12-09 11:34:57 -0800 | [diff] [blame] | 3360 | int interrupted; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3361 | int onoff = 1; |
| 3362 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3363 | if (!data || data > (u32) (MAX_SCHEDULE_TIMEOUT / HZ)) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3364 | ms = jiffies_to_msecs(MAX_SCHEDULE_TIMEOUT); |
| 3365 | else |
| 3366 | ms = data * 1000; |
| 3367 | |
| 3368 | /* save initial values */ |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 3369 | spin_lock_bh(&sky2->phy_lock); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3370 | if (hw->chip_id == CHIP_ID_YUKON_XL) { |
| 3371 | u16 pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); |
| 3372 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 3); |
| 3373 | ledctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL); |
| 3374 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg); |
| 3375 | } else { |
| 3376 | ledctrl = gm_phy_read(hw, port, PHY_MARV_LED_CTRL); |
| 3377 | ledover = gm_phy_read(hw, port, PHY_MARV_LED_OVER); |
| 3378 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3379 | |
Stephen Hemminger | 91c86df | 2005-12-09 11:34:57 -0800 | [diff] [blame] | 3380 | interrupted = 0; |
| 3381 | while (!interrupted && ms > 0) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3382 | sky2_led(hw, port, onoff); |
| 3383 | onoff = !onoff; |
| 3384 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 3385 | spin_unlock_bh(&sky2->phy_lock); |
Stephen Hemminger | 91c86df | 2005-12-09 11:34:57 -0800 | [diff] [blame] | 3386 | interrupted = msleep_interruptible(250); |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 3387 | spin_lock_bh(&sky2->phy_lock); |
Stephen Hemminger | 91c86df | 2005-12-09 11:34:57 -0800 | [diff] [blame] | 3388 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3389 | ms -= 250; |
| 3390 | } |
| 3391 | |
| 3392 | /* resume regularly scheduled programming */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3393 | if (hw->chip_id == CHIP_ID_YUKON_XL) { |
| 3394 | u16 pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); |
| 3395 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 3); |
| 3396 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ledctrl); |
| 3397 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg); |
| 3398 | } else { |
| 3399 | gm_phy_write(hw, port, PHY_MARV_LED_CTRL, ledctrl); |
| 3400 | gm_phy_write(hw, port, PHY_MARV_LED_OVER, ledover); |
| 3401 | } |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 3402 | spin_unlock_bh(&sky2->phy_lock); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3403 | |
| 3404 | return 0; |
| 3405 | } |
| 3406 | |
| 3407 | static void sky2_get_pauseparam(struct net_device *dev, |
| 3408 | struct ethtool_pauseparam *ecmd) |
| 3409 | { |
| 3410 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3411 | |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 3412 | switch (sky2->flow_mode) { |
| 3413 | case FC_NONE: |
| 3414 | ecmd->tx_pause = ecmd->rx_pause = 0; |
| 3415 | break; |
| 3416 | case FC_TX: |
| 3417 | ecmd->tx_pause = 1, ecmd->rx_pause = 0; |
| 3418 | break; |
| 3419 | case FC_RX: |
| 3420 | ecmd->tx_pause = 0, ecmd->rx_pause = 1; |
| 3421 | break; |
| 3422 | case FC_BOTH: |
| 3423 | ecmd->tx_pause = ecmd->rx_pause = 1; |
| 3424 | } |
| 3425 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3426 | ecmd->autoneg = sky2->autoneg; |
| 3427 | } |
| 3428 | |
| 3429 | static int sky2_set_pauseparam(struct net_device *dev, |
| 3430 | struct ethtool_pauseparam *ecmd) |
| 3431 | { |
| 3432 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3433 | |
| 3434 | sky2->autoneg = ecmd->autoneg; |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 3435 | sky2->flow_mode = sky2_flow(ecmd->rx_pause, ecmd->tx_pause); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3436 | |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 3437 | if (netif_running(dev)) |
| 3438 | sky2_phy_reinit(sky2); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3439 | |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 3440 | return 0; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3441 | } |
| 3442 | |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 3443 | static int sky2_get_coalesce(struct net_device *dev, |
| 3444 | struct ethtool_coalesce *ecmd) |
| 3445 | { |
| 3446 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3447 | struct sky2_hw *hw = sky2->hw; |
| 3448 | |
| 3449 | if (sky2_read8(hw, STAT_TX_TIMER_CTRL) == TIM_STOP) |
| 3450 | ecmd->tx_coalesce_usecs = 0; |
| 3451 | else { |
| 3452 | u32 clks = sky2_read32(hw, STAT_TX_TIMER_INI); |
| 3453 | ecmd->tx_coalesce_usecs = sky2_clk2us(hw, clks); |
| 3454 | } |
| 3455 | ecmd->tx_max_coalesced_frames = sky2_read16(hw, STAT_TX_IDX_TH); |
| 3456 | |
| 3457 | if (sky2_read8(hw, STAT_LEV_TIMER_CTRL) == TIM_STOP) |
| 3458 | ecmd->rx_coalesce_usecs = 0; |
| 3459 | else { |
| 3460 | u32 clks = sky2_read32(hw, STAT_LEV_TIMER_INI); |
| 3461 | ecmd->rx_coalesce_usecs = sky2_clk2us(hw, clks); |
| 3462 | } |
| 3463 | ecmd->rx_max_coalesced_frames = sky2_read8(hw, STAT_FIFO_WM); |
| 3464 | |
| 3465 | if (sky2_read8(hw, STAT_ISR_TIMER_CTRL) == TIM_STOP) |
| 3466 | ecmd->rx_coalesce_usecs_irq = 0; |
| 3467 | else { |
| 3468 | u32 clks = sky2_read32(hw, STAT_ISR_TIMER_INI); |
| 3469 | ecmd->rx_coalesce_usecs_irq = sky2_clk2us(hw, clks); |
| 3470 | } |
| 3471 | |
| 3472 | ecmd->rx_max_coalesced_frames_irq = sky2_read8(hw, STAT_FIFO_ISR_WM); |
| 3473 | |
| 3474 | return 0; |
| 3475 | } |
| 3476 | |
| 3477 | /* Note: this affect both ports */ |
| 3478 | static int sky2_set_coalesce(struct net_device *dev, |
| 3479 | struct ethtool_coalesce *ecmd) |
| 3480 | { |
| 3481 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3482 | struct sky2_hw *hw = sky2->hw; |
Stephen Hemminger | 77b3d6a | 2006-03-20 15:48:18 -0800 | [diff] [blame] | 3483 | const u32 tmax = sky2_clk2us(hw, 0x0ffffff); |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 3484 | |
Stephen Hemminger | 77b3d6a | 2006-03-20 15:48:18 -0800 | [diff] [blame] | 3485 | if (ecmd->tx_coalesce_usecs > tmax || |
| 3486 | ecmd->rx_coalesce_usecs > tmax || |
| 3487 | ecmd->rx_coalesce_usecs_irq > tmax) |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 3488 | return -EINVAL; |
| 3489 | |
Stephen Hemminger | ff81fbb | 2006-02-22 11:44:59 -0800 | [diff] [blame] | 3490 | if (ecmd->tx_max_coalesced_frames >= TX_RING_SIZE-1) |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 3491 | return -EINVAL; |
Stephen Hemminger | ff81fbb | 2006-02-22 11:44:59 -0800 | [diff] [blame] | 3492 | if (ecmd->rx_max_coalesced_frames > RX_MAX_PENDING) |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 3493 | return -EINVAL; |
Stephen Hemminger | ff81fbb | 2006-02-22 11:44:59 -0800 | [diff] [blame] | 3494 | if (ecmd->rx_max_coalesced_frames_irq >RX_MAX_PENDING) |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 3495 | return -EINVAL; |
| 3496 | |
| 3497 | if (ecmd->tx_coalesce_usecs == 0) |
| 3498 | sky2_write8(hw, STAT_TX_TIMER_CTRL, TIM_STOP); |
| 3499 | else { |
| 3500 | sky2_write32(hw, STAT_TX_TIMER_INI, |
| 3501 | sky2_us2clk(hw, ecmd->tx_coalesce_usecs)); |
| 3502 | sky2_write8(hw, STAT_TX_TIMER_CTRL, TIM_START); |
| 3503 | } |
| 3504 | sky2_write16(hw, STAT_TX_IDX_TH, ecmd->tx_max_coalesced_frames); |
| 3505 | |
| 3506 | if (ecmd->rx_coalesce_usecs == 0) |
| 3507 | sky2_write8(hw, STAT_LEV_TIMER_CTRL, TIM_STOP); |
| 3508 | else { |
| 3509 | sky2_write32(hw, STAT_LEV_TIMER_INI, |
| 3510 | sky2_us2clk(hw, ecmd->rx_coalesce_usecs)); |
| 3511 | sky2_write8(hw, STAT_LEV_TIMER_CTRL, TIM_START); |
| 3512 | } |
| 3513 | sky2_write8(hw, STAT_FIFO_WM, ecmd->rx_max_coalesced_frames); |
| 3514 | |
| 3515 | if (ecmd->rx_coalesce_usecs_irq == 0) |
| 3516 | sky2_write8(hw, STAT_ISR_TIMER_CTRL, TIM_STOP); |
| 3517 | else { |
Stephen Hemminger | d28d487 | 2006-01-30 11:37:56 -0800 | [diff] [blame] | 3518 | sky2_write32(hw, STAT_ISR_TIMER_INI, |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 3519 | sky2_us2clk(hw, ecmd->rx_coalesce_usecs_irq)); |
| 3520 | sky2_write8(hw, STAT_ISR_TIMER_CTRL, TIM_START); |
| 3521 | } |
| 3522 | sky2_write8(hw, STAT_FIFO_ISR_WM, ecmd->rx_max_coalesced_frames_irq); |
| 3523 | return 0; |
| 3524 | } |
| 3525 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3526 | static void sky2_get_ringparam(struct net_device *dev, |
| 3527 | struct ethtool_ringparam *ering) |
| 3528 | { |
| 3529 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3530 | |
| 3531 | ering->rx_max_pending = RX_MAX_PENDING; |
| 3532 | ering->rx_mini_max_pending = 0; |
| 3533 | ering->rx_jumbo_max_pending = 0; |
| 3534 | ering->tx_max_pending = TX_RING_SIZE - 1; |
| 3535 | |
| 3536 | ering->rx_pending = sky2->rx_pending; |
| 3537 | ering->rx_mini_pending = 0; |
| 3538 | ering->rx_jumbo_pending = 0; |
| 3539 | ering->tx_pending = sky2->tx_pending; |
| 3540 | } |
| 3541 | |
| 3542 | static int sky2_set_ringparam(struct net_device *dev, |
| 3543 | struct ethtool_ringparam *ering) |
| 3544 | { |
| 3545 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3546 | int err = 0; |
| 3547 | |
| 3548 | if (ering->rx_pending > RX_MAX_PENDING || |
| 3549 | ering->rx_pending < 8 || |
| 3550 | ering->tx_pending < MAX_SKB_TX_LE || |
| 3551 | ering->tx_pending > TX_RING_SIZE - 1) |
| 3552 | return -EINVAL; |
| 3553 | |
| 3554 | if (netif_running(dev)) |
| 3555 | sky2_down(dev); |
| 3556 | |
| 3557 | sky2->rx_pending = ering->rx_pending; |
| 3558 | sky2->tx_pending = ering->tx_pending; |
| 3559 | |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 3560 | if (netif_running(dev)) { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3561 | err = sky2_up(dev); |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 3562 | if (err) |
| 3563 | dev_close(dev); |
Stephen Hemminger | 6ed995b | 2005-12-20 15:08:08 -0800 | [diff] [blame] | 3564 | else |
| 3565 | sky2_set_multicast(dev); |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 3566 | } |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3567 | |
| 3568 | return err; |
| 3569 | } |
| 3570 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3571 | static int sky2_get_regs_len(struct net_device *dev) |
| 3572 | { |
Stephen Hemminger | 6e4cbb3 | 2005-09-19 15:47:57 -0700 | [diff] [blame] | 3573 | return 0x4000; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3574 | } |
| 3575 | |
| 3576 | /* |
| 3577 | * Returns copy of control register region |
Stephen Hemminger | 3ead5db | 2007-06-04 17:23:21 -0700 | [diff] [blame] | 3578 | * Note: ethtool_get_regs always provides full size (16k) buffer |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3579 | */ |
| 3580 | static void sky2_get_regs(struct net_device *dev, struct ethtool_regs *regs, |
| 3581 | void *p) |
| 3582 | { |
| 3583 | const struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3584 | const void __iomem *io = sky2->hw->regs; |
Stephen Hemminger | 295b54c | 2007-10-11 19:47:22 -0700 | [diff] [blame] | 3585 | unsigned int b; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3586 | |
| 3587 | regs->version = 1; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3588 | |
Stephen Hemminger | 295b54c | 2007-10-11 19:47:22 -0700 | [diff] [blame] | 3589 | for (b = 0; b < 128; b++) { |
| 3590 | /* This complicated switch statement is to make sure and |
| 3591 | * only access regions that are unreserved. |
| 3592 | * Some blocks are only valid on dual port cards. |
| 3593 | * and block 3 has some special diagnostic registers that |
| 3594 | * are poison. |
| 3595 | */ |
| 3596 | switch (b) { |
| 3597 | case 3: |
| 3598 | /* skip diagnostic ram region */ |
| 3599 | memcpy_fromio(p + 0x10, io + 0x10, 128 - 0x10); |
| 3600 | break; |
Stephen Hemminger | 6e4cbb3 | 2005-09-19 15:47:57 -0700 | [diff] [blame] | 3601 | |
Stephen Hemminger | 295b54c | 2007-10-11 19:47:22 -0700 | [diff] [blame] | 3602 | /* dual port cards only */ |
| 3603 | case 5: /* Tx Arbiter 2 */ |
| 3604 | case 9: /* RX2 */ |
| 3605 | case 14 ... 15: /* TX2 */ |
| 3606 | case 17: case 19: /* Ram Buffer 2 */ |
| 3607 | case 22 ... 23: /* Tx Ram Buffer 2 */ |
| 3608 | case 25: /* Rx MAC Fifo 1 */ |
| 3609 | case 27: /* Tx MAC Fifo 2 */ |
| 3610 | case 31: /* GPHY 2 */ |
| 3611 | case 40 ... 47: /* Pattern Ram 2 */ |
| 3612 | case 52: case 54: /* TCP Segmentation 2 */ |
| 3613 | case 112 ... 116: /* GMAC 2 */ |
| 3614 | if (sky2->hw->ports == 1) |
| 3615 | goto reserved; |
| 3616 | /* fall through */ |
| 3617 | case 0: /* Control */ |
| 3618 | case 2: /* Mac address */ |
| 3619 | case 4: /* Tx Arbiter 1 */ |
| 3620 | case 7: /* PCI express reg */ |
| 3621 | case 8: /* RX1 */ |
| 3622 | case 12 ... 13: /* TX1 */ |
| 3623 | case 16: case 18:/* Rx Ram Buffer 1 */ |
| 3624 | case 20 ... 21: /* Tx Ram Buffer 1 */ |
| 3625 | case 24: /* Rx MAC Fifo 1 */ |
| 3626 | case 26: /* Tx MAC Fifo 1 */ |
| 3627 | case 28 ... 29: /* Descriptor and status unit */ |
| 3628 | case 30: /* GPHY 1*/ |
| 3629 | case 32 ... 39: /* Pattern Ram 1 */ |
| 3630 | case 48: case 50: /* TCP Segmentation 1 */ |
| 3631 | case 56 ... 60: /* PCI space */ |
| 3632 | case 80 ... 84: /* GMAC 1 */ |
| 3633 | memcpy_fromio(p, io, 128); |
| 3634 | break; |
| 3635 | default: |
| 3636 | reserved: |
| 3637 | memset(p, 0, 128); |
| 3638 | } |
Stephen Hemminger | 3ead5db | 2007-06-04 17:23:21 -0700 | [diff] [blame] | 3639 | |
Stephen Hemminger | 295b54c | 2007-10-11 19:47:22 -0700 | [diff] [blame] | 3640 | p += 128; |
| 3641 | io += 128; |
| 3642 | } |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3643 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3644 | |
Stephen Hemminger | b628ed9 | 2007-04-11 14:48:01 -0700 | [diff] [blame] | 3645 | /* In order to do Jumbo packets on these chips, need to turn off the |
| 3646 | * transmit store/forward. Therefore checksum offload won't work. |
| 3647 | */ |
| 3648 | static int no_tx_offload(struct net_device *dev) |
| 3649 | { |
| 3650 | const struct sky2_port *sky2 = netdev_priv(dev); |
| 3651 | const struct sky2_hw *hw = sky2->hw; |
| 3652 | |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 3653 | return dev->mtu > ETH_DATA_LEN && hw->chip_id == CHIP_ID_YUKON_EC_U; |
Stephen Hemminger | b628ed9 | 2007-04-11 14:48:01 -0700 | [diff] [blame] | 3654 | } |
| 3655 | |
| 3656 | static int sky2_set_tx_csum(struct net_device *dev, u32 data) |
| 3657 | { |
| 3658 | if (data && no_tx_offload(dev)) |
| 3659 | return -EINVAL; |
| 3660 | |
| 3661 | return ethtool_op_set_tx_csum(dev, data); |
| 3662 | } |
| 3663 | |
| 3664 | |
| 3665 | static int sky2_set_tso(struct net_device *dev, u32 data) |
| 3666 | { |
| 3667 | if (data && no_tx_offload(dev)) |
| 3668 | return -EINVAL; |
| 3669 | |
| 3670 | return ethtool_op_set_tso(dev, data); |
| 3671 | } |
| 3672 | |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 3673 | static int sky2_get_eeprom_len(struct net_device *dev) |
| 3674 | { |
| 3675 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3676 | u16 reg2; |
| 3677 | |
Stephen Hemminger | 167f53d | 2007-09-25 19:01:02 -0700 | [diff] [blame] | 3678 | pci_read_config_word(sky2->hw->pdev, PCI_DEV_REG2, ®2); |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 3679 | return 1 << ( ((reg2 & PCI_VPD_ROM_SZ) >> 14) + 8); |
| 3680 | } |
| 3681 | |
Stephen Hemminger | 167f53d | 2007-09-25 19:01:02 -0700 | [diff] [blame] | 3682 | static u32 sky2_vpd_read(struct pci_dev *pdev, int cap, u16 offset) |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 3683 | { |
Stephen Hemminger | 167f53d | 2007-09-25 19:01:02 -0700 | [diff] [blame] | 3684 | u32 val; |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 3685 | |
Stephen Hemminger | 167f53d | 2007-09-25 19:01:02 -0700 | [diff] [blame] | 3686 | pci_write_config_word(pdev, cap + PCI_VPD_ADDR, offset); |
| 3687 | |
| 3688 | do { |
| 3689 | pci_read_config_word(pdev, cap + PCI_VPD_ADDR, &offset); |
| 3690 | } while (!(offset & PCI_VPD_ADDR_F)); |
| 3691 | |
| 3692 | pci_read_config_dword(pdev, cap + PCI_VPD_DATA, &val); |
| 3693 | return val; |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 3694 | } |
| 3695 | |
Stephen Hemminger | 167f53d | 2007-09-25 19:01:02 -0700 | [diff] [blame] | 3696 | static void sky2_vpd_write(struct pci_dev *pdev, int cap, u16 offset, u32 val) |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 3697 | { |
Stephen Hemminger | 167f53d | 2007-09-25 19:01:02 -0700 | [diff] [blame] | 3698 | pci_write_config_word(pdev, cap + PCI_VPD_DATA, val); |
| 3699 | pci_write_config_dword(pdev, cap + PCI_VPD_ADDR, offset | PCI_VPD_ADDR_F); |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 3700 | do { |
Stephen Hemminger | 167f53d | 2007-09-25 19:01:02 -0700 | [diff] [blame] | 3701 | pci_read_config_word(pdev, cap + PCI_VPD_ADDR, &offset); |
| 3702 | } while (offset & PCI_VPD_ADDR_F); |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 3703 | } |
| 3704 | |
| 3705 | static int sky2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, |
| 3706 | u8 *data) |
| 3707 | { |
| 3708 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3709 | int cap = pci_find_capability(sky2->hw->pdev, PCI_CAP_ID_VPD); |
| 3710 | int length = eeprom->len; |
| 3711 | u16 offset = eeprom->offset; |
| 3712 | |
| 3713 | if (!cap) |
| 3714 | return -EINVAL; |
| 3715 | |
| 3716 | eeprom->magic = SKY2_EEPROM_MAGIC; |
| 3717 | |
| 3718 | while (length > 0) { |
Stephen Hemminger | 167f53d | 2007-09-25 19:01:02 -0700 | [diff] [blame] | 3719 | u32 val = sky2_vpd_read(sky2->hw->pdev, cap, offset); |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 3720 | int n = min_t(int, length, sizeof(val)); |
| 3721 | |
| 3722 | memcpy(data, &val, n); |
| 3723 | length -= n; |
| 3724 | data += n; |
| 3725 | offset += n; |
| 3726 | } |
| 3727 | return 0; |
| 3728 | } |
| 3729 | |
| 3730 | static int sky2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, |
| 3731 | u8 *data) |
| 3732 | { |
| 3733 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3734 | int cap = pci_find_capability(sky2->hw->pdev, PCI_CAP_ID_VPD); |
| 3735 | int length = eeprom->len; |
| 3736 | u16 offset = eeprom->offset; |
| 3737 | |
| 3738 | if (!cap) |
| 3739 | return -EINVAL; |
| 3740 | |
| 3741 | if (eeprom->magic != SKY2_EEPROM_MAGIC) |
| 3742 | return -EINVAL; |
| 3743 | |
| 3744 | while (length > 0) { |
| 3745 | u32 val; |
| 3746 | int n = min_t(int, length, sizeof(val)); |
| 3747 | |
| 3748 | if (n < sizeof(val)) |
Stephen Hemminger | 167f53d | 2007-09-25 19:01:02 -0700 | [diff] [blame] | 3749 | val = sky2_vpd_read(sky2->hw->pdev, cap, offset); |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 3750 | memcpy(&val, data, n); |
| 3751 | |
Stephen Hemminger | 167f53d | 2007-09-25 19:01:02 -0700 | [diff] [blame] | 3752 | sky2_vpd_write(sky2->hw->pdev, cap, offset, val); |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 3753 | |
| 3754 | length -= n; |
| 3755 | data += n; |
| 3756 | offset += n; |
| 3757 | } |
| 3758 | return 0; |
| 3759 | } |
| 3760 | |
| 3761 | |
Jeff Garzik | 7282d49 | 2006-09-13 14:30:00 -0400 | [diff] [blame] | 3762 | static const struct ethtool_ops sky2_ethtool_ops = { |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 3763 | .get_settings = sky2_get_settings, |
| 3764 | .set_settings = sky2_set_settings, |
| 3765 | .get_drvinfo = sky2_get_drvinfo, |
| 3766 | .get_wol = sky2_get_wol, |
| 3767 | .set_wol = sky2_set_wol, |
| 3768 | .get_msglevel = sky2_get_msglevel, |
| 3769 | .set_msglevel = sky2_set_msglevel, |
| 3770 | .nway_reset = sky2_nway_reset, |
| 3771 | .get_regs_len = sky2_get_regs_len, |
| 3772 | .get_regs = sky2_get_regs, |
| 3773 | .get_link = ethtool_op_get_link, |
| 3774 | .get_eeprom_len = sky2_get_eeprom_len, |
| 3775 | .get_eeprom = sky2_get_eeprom, |
| 3776 | .set_eeprom = sky2_set_eeprom, |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 3777 | .set_sg = ethtool_op_set_sg, |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 3778 | .set_tx_csum = sky2_set_tx_csum, |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 3779 | .set_tso = sky2_set_tso, |
| 3780 | .get_rx_csum = sky2_get_rx_csum, |
| 3781 | .set_rx_csum = sky2_set_rx_csum, |
| 3782 | .get_strings = sky2_get_strings, |
| 3783 | .get_coalesce = sky2_get_coalesce, |
| 3784 | .set_coalesce = sky2_set_coalesce, |
| 3785 | .get_ringparam = sky2_get_ringparam, |
| 3786 | .set_ringparam = sky2_set_ringparam, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3787 | .get_pauseparam = sky2_get_pauseparam, |
| 3788 | .set_pauseparam = sky2_set_pauseparam, |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 3789 | .phys_id = sky2_phys_id, |
Jeff Garzik | b9f2c04 | 2007-10-03 18:07:32 -0700 | [diff] [blame] | 3790 | .get_sset_count = sky2_get_sset_count, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3791 | .get_ethtool_stats = sky2_get_ethtool_stats, |
| 3792 | }; |
| 3793 | |
Stephen Hemminger | 3cf2675 | 2007-07-09 15:33:35 -0700 | [diff] [blame] | 3794 | #ifdef CONFIG_SKY2_DEBUG |
| 3795 | |
| 3796 | static struct dentry *sky2_debug; |
| 3797 | |
| 3798 | static int sky2_debug_show(struct seq_file *seq, void *v) |
| 3799 | { |
| 3800 | struct net_device *dev = seq->private; |
| 3801 | const struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 3802 | struct sky2_hw *hw = sky2->hw; |
Stephen Hemminger | 3cf2675 | 2007-07-09 15:33:35 -0700 | [diff] [blame] | 3803 | unsigned port = sky2->port; |
| 3804 | unsigned idx, last; |
| 3805 | int sop; |
| 3806 | |
| 3807 | if (!netif_running(dev)) |
| 3808 | return -ENETDOWN; |
| 3809 | |
| 3810 | seq_printf(seq, "IRQ src=%x mask=%x control=%x\n", |
| 3811 | sky2_read32(hw, B0_ISRC), |
| 3812 | sky2_read32(hw, B0_IMSK), |
| 3813 | sky2_read32(hw, B0_Y2_SP_ICR)); |
| 3814 | |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 3815 | napi_disable(&hw->napi); |
Stephen Hemminger | 3cf2675 | 2007-07-09 15:33:35 -0700 | [diff] [blame] | 3816 | last = sky2_read16(hw, STAT_PUT_IDX); |
| 3817 | |
| 3818 | if (hw->st_idx == last) |
| 3819 | seq_puts(seq, "Status ring (empty)\n"); |
| 3820 | else { |
| 3821 | seq_puts(seq, "Status ring\n"); |
| 3822 | for (idx = hw->st_idx; idx != last && idx < STATUS_RING_SIZE; |
| 3823 | idx = RING_NEXT(idx, STATUS_RING_SIZE)) { |
| 3824 | const struct sky2_status_le *le = hw->st_le + idx; |
| 3825 | seq_printf(seq, "[%d] %#x %d %#x\n", |
| 3826 | idx, le->opcode, le->length, le->status); |
| 3827 | } |
| 3828 | seq_puts(seq, "\n"); |
| 3829 | } |
| 3830 | |
| 3831 | seq_printf(seq, "Tx ring pending=%u...%u report=%d done=%d\n", |
| 3832 | sky2->tx_cons, sky2->tx_prod, |
| 3833 | sky2_read16(hw, port == 0 ? STAT_TXA1_RIDX : STAT_TXA2_RIDX), |
| 3834 | sky2_read16(hw, Q_ADDR(txqaddr[port], Q_DONE))); |
| 3835 | |
| 3836 | /* Dump contents of tx ring */ |
| 3837 | sop = 1; |
| 3838 | for (idx = sky2->tx_next; idx != sky2->tx_prod && idx < TX_RING_SIZE; |
| 3839 | idx = RING_NEXT(idx, TX_RING_SIZE)) { |
| 3840 | const struct sky2_tx_le *le = sky2->tx_le + idx; |
| 3841 | u32 a = le32_to_cpu(le->addr); |
| 3842 | |
| 3843 | if (sop) |
| 3844 | seq_printf(seq, "%u:", idx); |
| 3845 | sop = 0; |
| 3846 | |
| 3847 | switch(le->opcode & ~HW_OWNER) { |
| 3848 | case OP_ADDR64: |
| 3849 | seq_printf(seq, " %#x:", a); |
| 3850 | break; |
| 3851 | case OP_LRGLEN: |
| 3852 | seq_printf(seq, " mtu=%d", a); |
| 3853 | break; |
| 3854 | case OP_VLAN: |
| 3855 | seq_printf(seq, " vlan=%d", be16_to_cpu(le->length)); |
| 3856 | break; |
| 3857 | case OP_TCPLISW: |
| 3858 | seq_printf(seq, " csum=%#x", a); |
| 3859 | break; |
| 3860 | case OP_LARGESEND: |
| 3861 | seq_printf(seq, " tso=%#x(%d)", a, le16_to_cpu(le->length)); |
| 3862 | break; |
| 3863 | case OP_PACKET: |
| 3864 | seq_printf(seq, " %#x(%d)", a, le16_to_cpu(le->length)); |
| 3865 | break; |
| 3866 | case OP_BUFFER: |
| 3867 | seq_printf(seq, " frag=%#x(%d)", a, le16_to_cpu(le->length)); |
| 3868 | break; |
| 3869 | default: |
| 3870 | seq_printf(seq, " op=%#x,%#x(%d)", le->opcode, |
| 3871 | a, le16_to_cpu(le->length)); |
| 3872 | } |
| 3873 | |
| 3874 | if (le->ctrl & EOP) { |
| 3875 | seq_putc(seq, '\n'); |
| 3876 | sop = 1; |
| 3877 | } |
| 3878 | } |
| 3879 | |
| 3880 | seq_printf(seq, "\nRx ring hw get=%d put=%d last=%d\n", |
| 3881 | sky2_read16(hw, Y2_QADDR(rxqaddr[port], PREF_UNIT_GET_IDX)), |
| 3882 | last = sky2_read16(hw, Y2_QADDR(rxqaddr[port], PREF_UNIT_PUT_IDX)), |
| 3883 | sky2_read16(hw, Y2_QADDR(rxqaddr[port], PREF_UNIT_LAST_IDX))); |
| 3884 | |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 3885 | napi_enable(&hw->napi); |
Stephen Hemminger | 3cf2675 | 2007-07-09 15:33:35 -0700 | [diff] [blame] | 3886 | return 0; |
| 3887 | } |
| 3888 | |
| 3889 | static int sky2_debug_open(struct inode *inode, struct file *file) |
| 3890 | { |
| 3891 | return single_open(file, sky2_debug_show, inode->i_private); |
| 3892 | } |
| 3893 | |
| 3894 | static const struct file_operations sky2_debug_fops = { |
| 3895 | .owner = THIS_MODULE, |
| 3896 | .open = sky2_debug_open, |
| 3897 | .read = seq_read, |
| 3898 | .llseek = seq_lseek, |
| 3899 | .release = single_release, |
| 3900 | }; |
| 3901 | |
| 3902 | /* |
| 3903 | * Use network device events to create/remove/rename |
| 3904 | * debugfs file entries |
| 3905 | */ |
| 3906 | static int sky2_device_event(struct notifier_block *unused, |
| 3907 | unsigned long event, void *ptr) |
| 3908 | { |
| 3909 | struct net_device *dev = ptr; |
Stephen Hemminger | 5b296bc | 2007-08-29 12:58:11 -0700 | [diff] [blame] | 3910 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | 3cf2675 | 2007-07-09 15:33:35 -0700 | [diff] [blame] | 3911 | |
Stephen Hemminger | 5b296bc | 2007-08-29 12:58:11 -0700 | [diff] [blame] | 3912 | if (dev->open != sky2_up || !sky2_debug) |
| 3913 | return NOTIFY_DONE; |
Stephen Hemminger | 3cf2675 | 2007-07-09 15:33:35 -0700 | [diff] [blame] | 3914 | |
Stephen Hemminger | 5b296bc | 2007-08-29 12:58:11 -0700 | [diff] [blame] | 3915 | switch(event) { |
| 3916 | case NETDEV_CHANGENAME: |
| 3917 | if (sky2->debugfs) { |
| 3918 | sky2->debugfs = debugfs_rename(sky2_debug, sky2->debugfs, |
| 3919 | sky2_debug, dev->name); |
Stephen Hemminger | 3cf2675 | 2007-07-09 15:33:35 -0700 | [diff] [blame] | 3920 | } |
Stephen Hemminger | 5b296bc | 2007-08-29 12:58:11 -0700 | [diff] [blame] | 3921 | break; |
| 3922 | |
| 3923 | case NETDEV_GOING_DOWN: |
| 3924 | if (sky2->debugfs) { |
| 3925 | printk(KERN_DEBUG PFX "%s: remove debugfs\n", |
| 3926 | dev->name); |
| 3927 | debugfs_remove(sky2->debugfs); |
| 3928 | sky2->debugfs = NULL; |
| 3929 | } |
| 3930 | break; |
| 3931 | |
| 3932 | case NETDEV_UP: |
| 3933 | sky2->debugfs = debugfs_create_file(dev->name, S_IRUGO, |
| 3934 | sky2_debug, dev, |
| 3935 | &sky2_debug_fops); |
| 3936 | if (IS_ERR(sky2->debugfs)) |
| 3937 | sky2->debugfs = NULL; |
Stephen Hemminger | 3cf2675 | 2007-07-09 15:33:35 -0700 | [diff] [blame] | 3938 | } |
| 3939 | |
| 3940 | return NOTIFY_DONE; |
| 3941 | } |
| 3942 | |
| 3943 | static struct notifier_block sky2_notifier = { |
| 3944 | .notifier_call = sky2_device_event, |
| 3945 | }; |
| 3946 | |
| 3947 | |
| 3948 | static __init void sky2_debug_init(void) |
| 3949 | { |
| 3950 | struct dentry *ent; |
| 3951 | |
| 3952 | ent = debugfs_create_dir("sky2", NULL); |
| 3953 | if (!ent || IS_ERR(ent)) |
| 3954 | return; |
| 3955 | |
| 3956 | sky2_debug = ent; |
| 3957 | register_netdevice_notifier(&sky2_notifier); |
| 3958 | } |
| 3959 | |
| 3960 | static __exit void sky2_debug_cleanup(void) |
| 3961 | { |
| 3962 | if (sky2_debug) { |
| 3963 | unregister_netdevice_notifier(&sky2_notifier); |
| 3964 | debugfs_remove(sky2_debug); |
| 3965 | sky2_debug = NULL; |
| 3966 | } |
| 3967 | } |
| 3968 | |
| 3969 | #else |
| 3970 | #define sky2_debug_init() |
| 3971 | #define sky2_debug_cleanup() |
| 3972 | #endif |
| 3973 | |
| 3974 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3975 | /* Initialize network device */ |
| 3976 | static __devinit struct net_device *sky2_init_netdev(struct sky2_hw *hw, |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 3977 | unsigned port, |
| 3978 | int highmem, int wol) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3979 | { |
| 3980 | struct sky2_port *sky2; |
| 3981 | struct net_device *dev = alloc_etherdev(sizeof(*sky2)); |
| 3982 | |
| 3983 | if (!dev) { |
Joe Perches | 898eb71 | 2007-10-18 03:06:30 -0700 | [diff] [blame] | 3984 | dev_err(&hw->pdev->dev, "etherdev alloc failed\n"); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3985 | return NULL; |
| 3986 | } |
| 3987 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3988 | SET_NETDEV_DEV(dev, &hw->pdev->dev); |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 3989 | dev->irq = hw->pdev->irq; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3990 | dev->open = sky2_up; |
| 3991 | dev->stop = sky2_down; |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 3992 | dev->do_ioctl = sky2_ioctl; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3993 | dev->hard_start_xmit = sky2_xmit_frame; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3994 | dev->set_multicast_list = sky2_set_multicast; |
| 3995 | dev->set_mac_address = sky2_set_mac_address; |
| 3996 | dev->change_mtu = sky2_change_mtu; |
| 3997 | SET_ETHTOOL_OPS(dev, &sky2_ethtool_ops); |
| 3998 | dev->tx_timeout = sky2_tx_timeout; |
| 3999 | dev->watchdog_timeo = TX_WATCHDOG; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4000 | #ifdef CONFIG_NET_POLL_CONTROLLER |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 4001 | dev->poll_controller = sky2_netpoll; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4002 | #endif |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4003 | |
| 4004 | sky2 = netdev_priv(dev); |
| 4005 | sky2->netdev = dev; |
| 4006 | sky2->hw = hw; |
| 4007 | sky2->msg_enable = netif_msg_init(debug, default_msg); |
| 4008 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4009 | /* Auto speed and flow control */ |
| 4010 | sky2->autoneg = AUTONEG_ENABLE; |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 4011 | sky2->flow_mode = FC_BOTH; |
| 4012 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4013 | sky2->duplex = -1; |
| 4014 | sky2->speed = -1; |
| 4015 | sky2->advertising = sky2_supported_modes(hw); |
Stephen Hemminger | ee7abb0 | 2006-05-18 11:16:21 -0700 | [diff] [blame] | 4016 | sky2->rx_csum = 1; |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 4017 | sky2->wol = wol; |
Stephen Hemminger | 75d070c | 2005-12-09 11:35:11 -0800 | [diff] [blame] | 4018 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 4019 | spin_lock_init(&sky2->phy_lock); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4020 | sky2->tx_pending = TX_DEF_PENDING; |
Stephen Hemminger | 290d4de | 2006-03-20 15:48:15 -0800 | [diff] [blame] | 4021 | sky2->rx_pending = RX_DEF_PENDING; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4022 | |
| 4023 | hw->dev[port] = dev; |
| 4024 | |
| 4025 | sky2->port = port; |
| 4026 | |
Stephen Hemminger | 4a50a87 | 2007-02-06 10:45:41 -0800 | [diff] [blame] | 4027 | dev->features |= NETIF_F_TSO | NETIF_F_IP_CSUM | NETIF_F_SG; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4028 | if (highmem) |
| 4029 | dev->features |= NETIF_F_HIGHDMA; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4030 | |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 4031 | #ifdef SKY2_VLAN_TAG_USED |
Stephen Hemminger | d6c9bc1 | 2007-09-27 12:32:44 -0700 | [diff] [blame] | 4032 | /* The workaround for FE+ status conflicts with VLAN tag detection. */ |
| 4033 | if (!(sky2->hw->chip_id == CHIP_ID_YUKON_FE_P && |
| 4034 | sky2->hw->chip_rev == CHIP_REV_YU_FE2_A0)) { |
| 4035 | dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; |
| 4036 | dev->vlan_rx_register = sky2_vlan_rx_register; |
| 4037 | } |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 4038 | #endif |
| 4039 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4040 | /* read the mac address */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4041 | memcpy_fromio(dev->dev_addr, hw->regs + B2_MAC_1 + port * 8, ETH_ALEN); |
Stephen Hemminger | 2995bfb | 2005-09-28 10:01:03 -0700 | [diff] [blame] | 4042 | memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4043 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4044 | return dev; |
| 4045 | } |
| 4046 | |
Stephen Hemminger | 28bd181 | 2006-01-17 13:43:19 -0800 | [diff] [blame] | 4047 | static void __devinit sky2_show_addr(struct net_device *dev) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4048 | { |
| 4049 | const struct sky2_port *sky2 = netdev_priv(dev); |
Joe Perches | 0795af5 | 2007-10-03 17:59:30 -0700 | [diff] [blame] | 4050 | DECLARE_MAC_BUF(mac); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4051 | |
| 4052 | if (netif_msg_probe(sky2)) |
Joe Perches | 0795af5 | 2007-10-03 17:59:30 -0700 | [diff] [blame] | 4053 | printk(KERN_INFO PFX "%s: addr %s\n", |
| 4054 | dev->name, print_mac(mac, dev->dev_addr)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4055 | } |
| 4056 | |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 4057 | /* Handle software interrupt used during MSI test */ |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 4058 | static irqreturn_t __devinit sky2_test_intr(int irq, void *dev_id) |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 4059 | { |
| 4060 | struct sky2_hw *hw = dev_id; |
| 4061 | u32 status = sky2_read32(hw, B0_Y2_SP_ISRC2); |
| 4062 | |
| 4063 | if (status == 0) |
| 4064 | return IRQ_NONE; |
| 4065 | |
| 4066 | if (status & Y2_IS_IRQ_SW) { |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 4067 | hw->flags |= SKY2_HW_USE_MSI; |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 4068 | wake_up(&hw->msi_wait); |
| 4069 | sky2_write8(hw, B0_CTST, CS_CL_SW_IRQ); |
| 4070 | } |
| 4071 | sky2_write32(hw, B0_Y2_SP_ICR, 2); |
| 4072 | |
| 4073 | return IRQ_HANDLED; |
| 4074 | } |
| 4075 | |
| 4076 | /* Test interrupt path by forcing a a software IRQ */ |
| 4077 | static int __devinit sky2_test_msi(struct sky2_hw *hw) |
| 4078 | { |
| 4079 | struct pci_dev *pdev = hw->pdev; |
| 4080 | int err; |
| 4081 | |
shemminger@osdl.org | bb507fe | 2006-08-28 10:00:48 -0700 | [diff] [blame] | 4082 | init_waitqueue_head (&hw->msi_wait); |
| 4083 | |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 4084 | sky2_write32(hw, B0_IMSK, Y2_IS_IRQ_SW); |
| 4085 | |
Stephen Hemminger | b0a20de | 2006-12-01 14:29:37 -0800 | [diff] [blame] | 4086 | err = request_irq(pdev->irq, sky2_test_intr, 0, DRV_NAME, hw); |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 4087 | if (err) { |
Stephen Hemminger | b02a925 | 2007-02-06 10:45:40 -0800 | [diff] [blame] | 4088 | dev_err(&pdev->dev, "cannot assign irq %d\n", pdev->irq); |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 4089 | return err; |
| 4090 | } |
| 4091 | |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 4092 | sky2_write8(hw, B0_CTST, CS_ST_SW_IRQ); |
shemminger@osdl.org | bb507fe | 2006-08-28 10:00:48 -0700 | [diff] [blame] | 4093 | sky2_read8(hw, B0_CTST); |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 4094 | |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 4095 | wait_event_timeout(hw->msi_wait, (hw->flags & SKY2_HW_USE_MSI), HZ/10); |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 4096 | |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 4097 | if (!(hw->flags & SKY2_HW_USE_MSI)) { |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 4098 | /* MSI test failed, go back to INTx mode */ |
Stephen Hemminger | b02a925 | 2007-02-06 10:45:40 -0800 | [diff] [blame] | 4099 | dev_info(&pdev->dev, "No interrupt generated using MSI, " |
| 4100 | "switching to INTx mode.\n"); |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 4101 | |
| 4102 | err = -EOPNOTSUPP; |
| 4103 | sky2_write8(hw, B0_CTST, CS_CL_SW_IRQ); |
| 4104 | } |
| 4105 | |
| 4106 | sky2_write32(hw, B0_IMSK, 0); |
Stephen Hemminger | 2bffc23 | 2006-10-17 10:17:18 -0700 | [diff] [blame] | 4107 | sky2_read32(hw, B0_IMSK); |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 4108 | |
| 4109 | free_irq(pdev->irq, hw); |
| 4110 | |
| 4111 | return err; |
| 4112 | } |
| 4113 | |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 4114 | static int __devinit pci_wake_enabled(struct pci_dev *dev) |
| 4115 | { |
| 4116 | int pm = pci_find_capability(dev, PCI_CAP_ID_PM); |
| 4117 | u16 value; |
| 4118 | |
| 4119 | if (!pm) |
| 4120 | return 0; |
| 4121 | if (pci_read_config_word(dev, pm + PCI_PM_CTRL, &value)) |
| 4122 | return 0; |
| 4123 | return value & PCI_PM_CTRL_PME_ENABLE; |
| 4124 | } |
| 4125 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4126 | static int __devinit sky2_probe(struct pci_dev *pdev, |
| 4127 | const struct pci_device_id *ent) |
| 4128 | { |
shemminger@linux-foundation.org | 7f60c64 | 2007-01-26 11:38:36 -0800 | [diff] [blame] | 4129 | struct net_device *dev; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4130 | struct sky2_hw *hw; |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 4131 | int err, using_dac = 0, wol_default; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4132 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4133 | err = pci_enable_device(pdev); |
| 4134 | if (err) { |
Stephen Hemminger | b02a925 | 2007-02-06 10:45:40 -0800 | [diff] [blame] | 4135 | dev_err(&pdev->dev, "cannot enable PCI device\n"); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4136 | goto err_out; |
| 4137 | } |
| 4138 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4139 | err = pci_request_regions(pdev, DRV_NAME); |
| 4140 | if (err) { |
Stephen Hemminger | b02a925 | 2007-02-06 10:45:40 -0800 | [diff] [blame] | 4141 | dev_err(&pdev->dev, "cannot obtain PCI resources\n"); |
Stephen Hemminger | 44a1d2e | 2007-04-30 14:23:49 -0700 | [diff] [blame] | 4142 | goto err_out_disable; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4143 | } |
| 4144 | |
| 4145 | pci_set_master(pdev); |
| 4146 | |
Stephen Hemminger | d1f3d4d | 2006-01-17 13:43:11 -0800 | [diff] [blame] | 4147 | if (sizeof(dma_addr_t) > sizeof(u32) && |
| 4148 | !(err = pci_set_dma_mask(pdev, DMA_64BIT_MASK))) { |
| 4149 | using_dac = 1; |
| 4150 | err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK); |
| 4151 | if (err < 0) { |
Stephen Hemminger | b02a925 | 2007-02-06 10:45:40 -0800 | [diff] [blame] | 4152 | dev_err(&pdev->dev, "unable to obtain 64 bit DMA " |
| 4153 | "for consistent allocations\n"); |
Stephen Hemminger | d1f3d4d | 2006-01-17 13:43:11 -0800 | [diff] [blame] | 4154 | goto err_out_free_regions; |
| 4155 | } |
Stephen Hemminger | d1f3d4d | 2006-01-17 13:43:11 -0800 | [diff] [blame] | 4156 | } else { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4157 | err = pci_set_dma_mask(pdev, DMA_32BIT_MASK); |
| 4158 | if (err) { |
Stephen Hemminger | b02a925 | 2007-02-06 10:45:40 -0800 | [diff] [blame] | 4159 | dev_err(&pdev->dev, "no usable DMA configuration\n"); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4160 | goto err_out_free_regions; |
| 4161 | } |
| 4162 | } |
Stephen Hemminger | d1f3d4d | 2006-01-17 13:43:11 -0800 | [diff] [blame] | 4163 | |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 4164 | wol_default = pci_wake_enabled(pdev) ? WAKE_MAGIC : 0; |
| 4165 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4166 | err = -ENOMEM; |
Stephen Hemminger | 6aad85d | 2006-01-17 13:43:18 -0800 | [diff] [blame] | 4167 | hw = kzalloc(sizeof(*hw), GFP_KERNEL); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4168 | if (!hw) { |
Stephen Hemminger | b02a925 | 2007-02-06 10:45:40 -0800 | [diff] [blame] | 4169 | dev_err(&pdev->dev, "cannot allocate hardware struct\n"); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4170 | goto err_out_free_regions; |
| 4171 | } |
| 4172 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4173 | hw->pdev = pdev; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4174 | |
| 4175 | hw->regs = ioremap_nocache(pci_resource_start(pdev, 0), 0x4000); |
| 4176 | if (!hw->regs) { |
Stephen Hemminger | b02a925 | 2007-02-06 10:45:40 -0800 | [diff] [blame] | 4177 | dev_err(&pdev->dev, "cannot map device registers\n"); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4178 | goto err_out_free_hw; |
| 4179 | } |
| 4180 | |
Stephen Hemminger | 56a645c | 2006-02-22 11:45:02 -0800 | [diff] [blame] | 4181 | #ifdef __BIG_ENDIAN |
Stephen Hemminger | f65b138 | 2006-09-06 12:45:02 -0700 | [diff] [blame] | 4182 | /* The sk98lin vendor driver uses hardware byte swapping but |
| 4183 | * this driver uses software swapping. |
| 4184 | */ |
Stephen Hemminger | 56a645c | 2006-02-22 11:45:02 -0800 | [diff] [blame] | 4185 | { |
| 4186 | u32 reg; |
Stephen Hemminger | 167f53d | 2007-09-25 19:01:02 -0700 | [diff] [blame] | 4187 | pci_read_config_dword(pdev,PCI_DEV_REG2, ®); |
Stephen Hemminger | f65b138 | 2006-09-06 12:45:02 -0700 | [diff] [blame] | 4188 | reg &= ~PCI_REV_DESC; |
Stephen Hemminger | 167f53d | 2007-09-25 19:01:02 -0700 | [diff] [blame] | 4189 | pci_write_config_dword(pdev, PCI_DEV_REG2, reg); |
Stephen Hemminger | 56a645c | 2006-02-22 11:45:02 -0800 | [diff] [blame] | 4190 | } |
| 4191 | #endif |
| 4192 | |
Stephen Hemminger | 08c06d8 | 2006-01-30 11:37:54 -0800 | [diff] [blame] | 4193 | /* ring for status responses */ |
Stephen Hemminger | 167f53d | 2007-09-25 19:01:02 -0700 | [diff] [blame] | 4194 | hw->st_le = pci_alloc_consistent(pdev, STATUS_LE_BYTES, &hw->st_dma); |
Stephen Hemminger | 08c06d8 | 2006-01-30 11:37:54 -0800 | [diff] [blame] | 4195 | if (!hw->st_le) |
| 4196 | goto err_out_iounmap; |
| 4197 | |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 4198 | err = sky2_init(hw); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4199 | if (err) |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4200 | goto err_out_iounmap; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4201 | |
Stephen Hemminger | b02a925 | 2007-02-06 10:45:40 -0800 | [diff] [blame] | 4202 | dev_info(&pdev->dev, "v%s addr 0x%llx irq %d Yukon-%s (0x%x) rev %d\n", |
Greg Kroah-Hartman | 7c7459d | 2006-06-12 15:13:08 -0700 | [diff] [blame] | 4203 | DRV_VERSION, (unsigned long long)pci_resource_start(pdev, 0), |
| 4204 | pdev->irq, yukon2_name[hw->chip_id - CHIP_ID_YUKON_XL], |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4205 | hw->chip_id, hw->chip_rev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4206 | |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 4207 | sky2_reset(hw); |
| 4208 | |
| 4209 | dev = sky2_init_netdev(hw, 0, using_dac, wol_default); |
shemminger@linux-foundation.org | 7f60c64 | 2007-01-26 11:38:36 -0800 | [diff] [blame] | 4210 | if (!dev) { |
| 4211 | err = -ENOMEM; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4212 | goto err_out_free_pci; |
shemminger@linux-foundation.org | 7f60c64 | 2007-01-26 11:38:36 -0800 | [diff] [blame] | 4213 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4214 | |
Stephen Hemminger | 9fa1b1f | 2006-09-26 11:57:40 -0700 | [diff] [blame] | 4215 | if (!disable_msi && pci_enable_msi(pdev) == 0) { |
| 4216 | err = sky2_test_msi(hw); |
| 4217 | if (err == -EOPNOTSUPP) |
| 4218 | pci_disable_msi(pdev); |
| 4219 | else if (err) |
| 4220 | goto err_out_free_netdev; |
| 4221 | } |
| 4222 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4223 | err = register_netdev(dev); |
| 4224 | if (err) { |
Stephen Hemminger | b02a925 | 2007-02-06 10:45:40 -0800 | [diff] [blame] | 4225 | dev_err(&pdev->dev, "cannot register net device\n"); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4226 | goto err_out_free_netdev; |
| 4227 | } |
| 4228 | |
Stephen Hemminger | 6de1623 | 2007-10-17 13:26:42 -0700 | [diff] [blame] | 4229 | netif_napi_add(dev, &hw->napi, sky2_poll, NAPI_WEIGHT); |
| 4230 | |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 4231 | err = request_irq(pdev->irq, sky2_intr, |
| 4232 | (hw->flags & SKY2_HW_USE_MSI) ? 0 : IRQF_SHARED, |
Stephen Hemminger | b0a20de | 2006-12-01 14:29:37 -0800 | [diff] [blame] | 4233 | dev->name, hw); |
Stephen Hemminger | 9fa1b1f | 2006-09-26 11:57:40 -0700 | [diff] [blame] | 4234 | if (err) { |
Stephen Hemminger | b02a925 | 2007-02-06 10:45:40 -0800 | [diff] [blame] | 4235 | dev_err(&pdev->dev, "cannot assign irq %d\n", pdev->irq); |
Stephen Hemminger | 9fa1b1f | 2006-09-26 11:57:40 -0700 | [diff] [blame] | 4236 | goto err_out_unregister; |
| 4237 | } |
| 4238 | sky2_write32(hw, B0_IMSK, Y2_IS_BASE); |
Stephen Hemminger | 6de1623 | 2007-10-17 13:26:42 -0700 | [diff] [blame] | 4239 | napi_enable(&hw->napi); |
Stephen Hemminger | 9fa1b1f | 2006-09-26 11:57:40 -0700 | [diff] [blame] | 4240 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4241 | sky2_show_addr(dev); |
| 4242 | |
shemminger@linux-foundation.org | 7f60c64 | 2007-01-26 11:38:36 -0800 | [diff] [blame] | 4243 | if (hw->ports > 1) { |
| 4244 | struct net_device *dev1; |
| 4245 | |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 4246 | dev1 = sky2_init_netdev(hw, 1, using_dac, wol_default); |
Stephen Hemminger | b02a925 | 2007-02-06 10:45:40 -0800 | [diff] [blame] | 4247 | if (!dev1) |
| 4248 | dev_warn(&pdev->dev, "allocation for second device failed\n"); |
| 4249 | else if ((err = register_netdev(dev1))) { |
| 4250 | dev_warn(&pdev->dev, |
| 4251 | "register of second port failed (%d)\n", err); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4252 | hw->dev[1] = NULL; |
| 4253 | free_netdev(dev1); |
Stephen Hemminger | b02a925 | 2007-02-06 10:45:40 -0800 | [diff] [blame] | 4254 | } else |
| 4255 | sky2_show_addr(dev1); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4256 | } |
| 4257 | |
Stephen Hemminger | 32c2c30 | 2007-08-21 14:34:03 -0700 | [diff] [blame] | 4258 | setup_timer(&hw->watchdog_timer, sky2_watchdog, (unsigned long) hw); |
Stephen Hemminger | 8190679 | 2007-02-15 16:40:33 -0800 | [diff] [blame] | 4259 | INIT_WORK(&hw->restart_work, sky2_restart); |
| 4260 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4261 | pci_set_drvdata(pdev, hw); |
| 4262 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4263 | return 0; |
| 4264 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4265 | err_out_unregister: |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 4266 | if (hw->flags & SKY2_HW_USE_MSI) |
Stephen Hemminger | b0a20de | 2006-12-01 14:29:37 -0800 | [diff] [blame] | 4267 | pci_disable_msi(pdev); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4268 | unregister_netdev(dev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4269 | err_out_free_netdev: |
| 4270 | free_netdev(dev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4271 | err_out_free_pci: |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4272 | sky2_write8(hw, B0_CTST, CS_RST_SET); |
Stephen Hemminger | 167f53d | 2007-09-25 19:01:02 -0700 | [diff] [blame] | 4273 | pci_free_consistent(pdev, STATUS_LE_BYTES, hw->st_le, hw->st_dma); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4274 | err_out_iounmap: |
| 4275 | iounmap(hw->regs); |
| 4276 | err_out_free_hw: |
| 4277 | kfree(hw); |
| 4278 | err_out_free_regions: |
| 4279 | pci_release_regions(pdev); |
Stephen Hemminger | 44a1d2e | 2007-04-30 14:23:49 -0700 | [diff] [blame] | 4280 | err_out_disable: |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4281 | pci_disable_device(pdev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4282 | err_out: |
Stephen Hemminger | 549a68c | 2007-05-11 11:21:44 -0700 | [diff] [blame] | 4283 | pci_set_drvdata(pdev, NULL); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4284 | return err; |
| 4285 | } |
| 4286 | |
| 4287 | static void __devexit sky2_remove(struct pci_dev *pdev) |
| 4288 | { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4289 | struct sky2_hw *hw = pci_get_drvdata(pdev); |
Stephen Hemminger | 6de1623 | 2007-10-17 13:26:42 -0700 | [diff] [blame] | 4290 | int i; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4291 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4292 | if (!hw) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4293 | return; |
| 4294 | |
Stephen Hemminger | 32c2c30 | 2007-08-21 14:34:03 -0700 | [diff] [blame] | 4295 | del_timer_sync(&hw->watchdog_timer); |
Stephen Hemminger | 6de1623 | 2007-10-17 13:26:42 -0700 | [diff] [blame] | 4296 | cancel_work_sync(&hw->restart_work); |
Stephen Hemminger | d27ed38 | 2006-04-25 10:58:51 -0700 | [diff] [blame] | 4297 | |
Stephen Hemminger | b877fe2 | 2007-10-22 13:39:09 -0700 | [diff] [blame] | 4298 | for (i = hw->ports-1; i >= 0; --i) |
Stephen Hemminger | 6de1623 | 2007-10-17 13:26:42 -0700 | [diff] [blame] | 4299 | unregister_netdev(hw->dev[i]); |
Stephen Hemminger | 8190679 | 2007-02-15 16:40:33 -0800 | [diff] [blame] | 4300 | |
Stephen Hemminger | d27ed38 | 2006-04-25 10:58:51 -0700 | [diff] [blame] | 4301 | sky2_write32(hw, B0_IMSK, 0); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4302 | |
Stephen Hemminger | ae306cc | 2006-12-20 13:06:36 -0800 | [diff] [blame] | 4303 | sky2_power_aux(hw); |
| 4304 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4305 | sky2_write16(hw, B0_Y2LED, LED_STAT_OFF); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4306 | sky2_write8(hw, B0_CTST, CS_RST_SET); |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 4307 | sky2_read8(hw, B0_CTST); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4308 | |
| 4309 | free_irq(pdev->irq, hw); |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 4310 | if (hw->flags & SKY2_HW_USE_MSI) |
Stephen Hemminger | b0a20de | 2006-12-01 14:29:37 -0800 | [diff] [blame] | 4311 | pci_disable_msi(pdev); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4312 | pci_free_consistent(pdev, STATUS_LE_BYTES, hw->st_le, hw->st_dma); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4313 | pci_release_regions(pdev); |
| 4314 | pci_disable_device(pdev); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4315 | |
Stephen Hemminger | b877fe2 | 2007-10-22 13:39:09 -0700 | [diff] [blame] | 4316 | for (i = hw->ports-1; i >= 0; --i) |
Stephen Hemminger | 6de1623 | 2007-10-17 13:26:42 -0700 | [diff] [blame] | 4317 | free_netdev(hw->dev[i]); |
| 4318 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4319 | iounmap(hw->regs); |
| 4320 | kfree(hw); |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 4321 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4322 | pci_set_drvdata(pdev, NULL); |
| 4323 | } |
| 4324 | |
| 4325 | #ifdef CONFIG_PM |
| 4326 | static int sky2_suspend(struct pci_dev *pdev, pm_message_t state) |
| 4327 | { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4328 | struct sky2_hw *hw = pci_get_drvdata(pdev); |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 4329 | int i, wol = 0; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4330 | |
Stephen Hemminger | 549a68c | 2007-05-11 11:21:44 -0700 | [diff] [blame] | 4331 | if (!hw) |
| 4332 | return 0; |
| 4333 | |
Stephen Hemminger | f05267e | 2006-06-13 17:17:28 +0900 | [diff] [blame] | 4334 | for (i = 0; i < hw->ports; i++) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4335 | struct net_device *dev = hw->dev[i]; |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 4336 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4337 | |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 4338 | if (netif_running(dev)) |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 4339 | sky2_down(dev); |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 4340 | |
| 4341 | if (sky2->wol) |
| 4342 | sky2_wol_init(sky2); |
| 4343 | |
| 4344 | wol |= sky2->wol; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4345 | } |
| 4346 | |
Stephen Hemminger | 8ab8fca | 2006-06-13 17:17:30 +0900 | [diff] [blame] | 4347 | sky2_write32(hw, B0_IMSK, 0); |
Stephen Hemminger | 6de1623 | 2007-10-17 13:26:42 -0700 | [diff] [blame] | 4348 | napi_disable(&hw->napi); |
Stephen Hemminger | ae306cc | 2006-12-20 13:06:36 -0800 | [diff] [blame] | 4349 | sky2_power_aux(hw); |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 4350 | |
Linus Torvalds | d374c1c | 2006-06-12 12:53:27 -0700 | [diff] [blame] | 4351 | pci_save_state(pdev); |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 4352 | pci_enable_wake(pdev, pci_choose_state(pdev, state), wol); |
Stephen Hemminger | ae306cc | 2006-12-20 13:06:36 -0800 | [diff] [blame] | 4353 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); |
| 4354 | |
Stephen Hemminger | 2ccc99b | 2006-06-13 17:17:27 +0900 | [diff] [blame] | 4355 | return 0; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4356 | } |
| 4357 | |
| 4358 | static int sky2_resume(struct pci_dev *pdev) |
| 4359 | { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4360 | struct sky2_hw *hw = pci_get_drvdata(pdev); |
Stephen Hemminger | 08c06d8 | 2006-01-30 11:37:54 -0800 | [diff] [blame] | 4361 | int i, err; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4362 | |
Stephen Hemminger | 549a68c | 2007-05-11 11:21:44 -0700 | [diff] [blame] | 4363 | if (!hw) |
| 4364 | return 0; |
| 4365 | |
Stephen Hemminger | ae306cc | 2006-12-20 13:06:36 -0800 | [diff] [blame] | 4366 | err = pci_set_power_state(pdev, PCI_D0); |
| 4367 | if (err) |
| 4368 | goto out; |
| 4369 | |
| 4370 | err = pci_restore_state(pdev); |
| 4371 | if (err) |
| 4372 | goto out; |
| 4373 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4374 | pci_enable_wake(pdev, PCI_D0, 0); |
Stephen Hemminger | 1ad5b4a | 2007-04-07 16:02:27 -0700 | [diff] [blame] | 4375 | |
| 4376 | /* Re-enable all clocks */ |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 4377 | if (hw->chip_id == CHIP_ID_YUKON_EX || |
| 4378 | hw->chip_id == CHIP_ID_YUKON_EC_U || |
| 4379 | hw->chip_id == CHIP_ID_YUKON_FE_P) |
Stephen Hemminger | 167f53d | 2007-09-25 19:01:02 -0700 | [diff] [blame] | 4380 | pci_write_config_dword(pdev, PCI_DEV_REG3, 0); |
Stephen Hemminger | 1ad5b4a | 2007-04-07 16:02:27 -0700 | [diff] [blame] | 4381 | |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 4382 | sky2_reset(hw); |
Stephen Hemminger | 8ab8fca | 2006-06-13 17:17:30 +0900 | [diff] [blame] | 4383 | sky2_write32(hw, B0_IMSK, Y2_IS_BASE); |
Stephen Hemminger | 6de1623 | 2007-10-17 13:26:42 -0700 | [diff] [blame] | 4384 | napi_enable(&hw->napi); |
Stephen Hemminger | 8ab8fca | 2006-06-13 17:17:30 +0900 | [diff] [blame] | 4385 | |
Stephen Hemminger | f05267e | 2006-06-13 17:17:28 +0900 | [diff] [blame] | 4386 | for (i = 0; i < hw->ports; i++) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4387 | struct net_device *dev = hw->dev[i]; |
Stephen Hemminger | 6a5706b | 2006-07-12 15:23:46 -0700 | [diff] [blame] | 4388 | if (netif_running(dev)) { |
Stephen Hemminger | 08c06d8 | 2006-01-30 11:37:54 -0800 | [diff] [blame] | 4389 | err = sky2_up(dev); |
| 4390 | if (err) { |
| 4391 | printk(KERN_ERR PFX "%s: could not up: %d\n", |
| 4392 | dev->name, err); |
| 4393 | dev_close(dev); |
Stephen Hemminger | eb35cf6 | 2006-06-13 17:17:31 +0900 | [diff] [blame] | 4394 | goto out; |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 4395 | } |
Stephen Hemminger | d1b139c | 2007-09-05 16:56:19 +0100 | [diff] [blame] | 4396 | |
| 4397 | sky2_set_multicast(dev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4398 | } |
| 4399 | } |
Stephen Hemminger | eb35cf6 | 2006-06-13 17:17:31 +0900 | [diff] [blame] | 4400 | |
Stephen Hemminger | ae306cc | 2006-12-20 13:06:36 -0800 | [diff] [blame] | 4401 | return 0; |
Stephen Hemminger | 08c06d8 | 2006-01-30 11:37:54 -0800 | [diff] [blame] | 4402 | out: |
Stephen Hemminger | b02a925 | 2007-02-06 10:45:40 -0800 | [diff] [blame] | 4403 | dev_err(&pdev->dev, "resume failed (%d)\n", err); |
Stephen Hemminger | ae306cc | 2006-12-20 13:06:36 -0800 | [diff] [blame] | 4404 | pci_disable_device(pdev); |
Stephen Hemminger | 08c06d8 | 2006-01-30 11:37:54 -0800 | [diff] [blame] | 4405 | return err; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4406 | } |
| 4407 | #endif |
| 4408 | |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 4409 | static void sky2_shutdown(struct pci_dev *pdev) |
| 4410 | { |
| 4411 | struct sky2_hw *hw = pci_get_drvdata(pdev); |
| 4412 | int i, wol = 0; |
| 4413 | |
Stephen Hemminger | 549a68c | 2007-05-11 11:21:44 -0700 | [diff] [blame] | 4414 | if (!hw) |
| 4415 | return; |
| 4416 | |
Stephen Hemminger | 5c0d6b3 | 2007-10-14 13:25:22 -0700 | [diff] [blame] | 4417 | del_timer_sync(&hw->watchdog_timer); |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 4418 | |
| 4419 | for (i = 0; i < hw->ports; i++) { |
| 4420 | struct net_device *dev = hw->dev[i]; |
| 4421 | struct sky2_port *sky2 = netdev_priv(dev); |
| 4422 | |
| 4423 | if (sky2->wol) { |
| 4424 | wol = 1; |
| 4425 | sky2_wol_init(sky2); |
| 4426 | } |
| 4427 | } |
| 4428 | |
| 4429 | if (wol) |
| 4430 | sky2_power_aux(hw); |
| 4431 | |
| 4432 | pci_enable_wake(pdev, PCI_D3hot, wol); |
| 4433 | pci_enable_wake(pdev, PCI_D3cold, wol); |
| 4434 | |
| 4435 | pci_disable_device(pdev); |
| 4436 | pci_set_power_state(pdev, PCI_D3hot); |
| 4437 | |
| 4438 | } |
| 4439 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4440 | static struct pci_driver sky2_driver = { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4441 | .name = DRV_NAME, |
| 4442 | .id_table = sky2_id_table, |
| 4443 | .probe = sky2_probe, |
| 4444 | .remove = __devexit_p(sky2_remove), |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4445 | #ifdef CONFIG_PM |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4446 | .suspend = sky2_suspend, |
| 4447 | .resume = sky2_resume, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4448 | #endif |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 4449 | .shutdown = sky2_shutdown, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4450 | }; |
| 4451 | |
| 4452 | static int __init sky2_init_module(void) |
| 4453 | { |
Stephen Hemminger | 3cf2675 | 2007-07-09 15:33:35 -0700 | [diff] [blame] | 4454 | sky2_debug_init(); |
shemminger@osdl.org | 50241c4 | 2005-11-30 11:45:22 -0800 | [diff] [blame] | 4455 | return pci_register_driver(&sky2_driver); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4456 | } |
| 4457 | |
| 4458 | static void __exit sky2_cleanup_module(void) |
| 4459 | { |
| 4460 | pci_unregister_driver(&sky2_driver); |
Stephen Hemminger | 3cf2675 | 2007-07-09 15:33:35 -0700 | [diff] [blame] | 4461 | sky2_debug_cleanup(); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4462 | } |
| 4463 | |
| 4464 | module_init(sky2_init_module); |
| 4465 | module_exit(sky2_cleanup_module); |
| 4466 | |
| 4467 | MODULE_DESCRIPTION("Marvell Yukon 2 Gigabit Ethernet driver"); |
Stephen Hemminger | 65ebe63 | 2007-01-23 11:38:57 -0800 | [diff] [blame] | 4468 | MODULE_AUTHOR("Stephen Hemminger <shemminger@linux-foundation.org>"); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4469 | MODULE_LICENSE("GPL"); |
shemminger@osdl.org | 5f4f9dc | 2005-11-30 11:45:23 -0800 | [diff] [blame] | 4470 | MODULE_VERSION(DRV_VERSION); |