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 |
| 13 | * the Free Software Foundation; either version 2 of the License, or |
| 14 | * (at your option) any later version. |
| 15 | * |
| 16 | * This program is distributed in the hope that it will be useful, |
| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 19 | * GNU General Public License for more details. |
| 20 | * |
| 21 | * You should have received a copy of the GNU General Public License |
| 22 | * along with this program; if not, write to the Free Software |
| 23 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 24 | */ |
| 25 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 26 | #include <linux/config.h> |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 27 | #include <linux/crc32.h> |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 28 | #include <linux/kernel.h> |
| 29 | #include <linux/version.h> |
| 30 | #include <linux/module.h> |
| 31 | #include <linux/netdevice.h> |
Andrew Morton | d0bbccf | 2005-11-10 15:29:27 -0800 | [diff] [blame] | 32 | #include <linux/dma-mapping.h> |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 33 | #include <linux/etherdevice.h> |
| 34 | #include <linux/ethtool.h> |
| 35 | #include <linux/pci.h> |
| 36 | #include <linux/ip.h> |
| 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> |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 43 | #include <linux/mii.h> |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 44 | |
| 45 | #include <asm/irq.h> |
| 46 | |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 47 | #if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE) |
| 48 | #define SKY2_VLAN_TAG_USED 1 |
| 49 | #endif |
| 50 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 51 | #include "sky2.h" |
| 52 | |
| 53 | #define DRV_NAME "sky2" |
Stephen Hemminger | fa8d354 | 2006-01-30 11:38:01 -0800 | [diff] [blame] | 54 | #define DRV_VERSION "0.15" |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 55 | #define PFX DRV_NAME " " |
| 56 | |
| 57 | /* |
| 58 | * The Yukon II chipset takes 64 bit command blocks (called list elements) |
| 59 | * that are organized into three (receive, transmit, status) different rings |
| 60 | * similar to Tigon3. A transmit can require several elements; |
| 61 | * a receive requires one (or two if using 64 bit dma). |
| 62 | */ |
| 63 | |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 64 | #define RX_LE_SIZE 512 |
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)) |
shemminger@osdl.org | bea8610 | 2005-10-26 12:16:10 -0700 | [diff] [blame] | 66 | #define RX_MAX_PENDING (RX_LE_SIZE/2 - 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)) |
| 77 | #define ETH_JUMBO_MTU 9000 |
| 78 | #define TX_WATCHDOG (5 * HZ) |
| 79 | #define NAPI_WEIGHT 64 |
| 80 | #define PHY_RETRIES 1000 |
| 81 | |
| 82 | static const u32 default_msg = |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 83 | NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK |
| 84 | | NETIF_MSG_TIMER | NETIF_MSG_TX_ERR | NETIF_MSG_RX_ERR |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 85 | | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 86 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 87 | static int debug = -1; /* defaults above */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 88 | module_param(debug, int, 0); |
| 89 | MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)"); |
| 90 | |
Stephen Hemminger | bdb5c58 | 2005-12-09 11:34:55 -0800 | [diff] [blame] | 91 | static int copybreak __read_mostly = 256; |
| 92 | module_param(copybreak, int, 0); |
| 93 | MODULE_PARM_DESC(copybreak, "Receive copy threshold"); |
| 94 | |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 95 | static int disable_msi = 0; |
| 96 | module_param(disable_msi, int, 0); |
| 97 | MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)"); |
| 98 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 99 | static const struct pci_device_id sky2_id_table[] = { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 100 | { PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9000) }, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 101 | { PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9E00) }, |
| 102 | { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4b00) }, |
| 103 | { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4b01) }, |
| 104 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4340) }, |
| 105 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4341) }, |
| 106 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4342) }, |
| 107 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4343) }, |
| 108 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4344) }, |
| 109 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4345) }, |
| 110 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4346) }, |
| 111 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4347) }, |
| 112 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4350) }, |
| 113 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4351) }, |
shemminger@osdl.org | 5a5b1ea | 2005-11-30 11:45:15 -0800 | [diff] [blame] | 114 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4352) }, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 115 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4360) }, |
| 116 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4361) }, |
| 117 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4362) }, |
shemminger@osdl.org | 5a5b1ea | 2005-11-30 11:45:15 -0800 | [diff] [blame] | 118 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4363) }, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 119 | { 0 } |
| 120 | }; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 121 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 122 | MODULE_DEVICE_TABLE(pci, sky2_id_table); |
| 123 | |
| 124 | /* Avoid conditionals by using array */ |
| 125 | static const unsigned txqaddr[] = { Q_XA1, Q_XA2 }; |
| 126 | static const unsigned rxqaddr[] = { Q_R1, Q_R2 }; |
| 127 | |
Stephen Hemminger | 92f965e | 2005-12-09 11:34:53 -0800 | [diff] [blame] | 128 | /* This driver supports yukon2 chipset only */ |
| 129 | static const char *yukon2_name[] = { |
| 130 | "XL", /* 0xb3 */ |
| 131 | "EC Ultra", /* 0xb4 */ |
| 132 | "UNKNOWN", /* 0xb5 */ |
| 133 | "EC", /* 0xb6 */ |
| 134 | "FE", /* 0xb7 */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 135 | }; |
| 136 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 137 | /* Access to external PHY */ |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 138 | 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] | 139 | { |
| 140 | int i; |
| 141 | |
| 142 | gma_write16(hw, port, GM_SMI_DATA, val); |
| 143 | gma_write16(hw, port, GM_SMI_CTRL, |
| 144 | GM_SMI_CT_PHY_AD(PHY_ADDR_MARV) | GM_SMI_CT_REG_AD(reg)); |
| 145 | |
| 146 | for (i = 0; i < PHY_RETRIES; i++) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 147 | if (!(gma_read16(hw, port, GM_SMI_CTRL) & GM_SMI_CT_BUSY)) |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 148 | return 0; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 149 | udelay(1); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 150 | } |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 151 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 152 | printk(KERN_WARNING PFX "%s: phy write timeout\n", hw->dev[port]->name); |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 153 | return -ETIMEDOUT; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 154 | } |
| 155 | |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 156 | 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] | 157 | { |
| 158 | int i; |
| 159 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 160 | 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] | 161 | | GM_SMI_CT_REG_AD(reg) | GM_SMI_CT_OP_RD); |
| 162 | |
| 163 | for (i = 0; i < PHY_RETRIES; i++) { |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 164 | if (gma_read16(hw, port, GM_SMI_CTRL) & GM_SMI_CT_RD_VAL) { |
| 165 | *val = gma_read16(hw, port, GM_SMI_DATA); |
| 166 | return 0; |
| 167 | } |
| 168 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 169 | udelay(1); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 170 | } |
| 171 | |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 172 | return -ETIMEDOUT; |
| 173 | } |
| 174 | |
| 175 | static u16 gm_phy_read(struct sky2_hw *hw, unsigned port, u16 reg) |
| 176 | { |
| 177 | u16 v; |
| 178 | |
| 179 | if (__gm_phy_read(hw, port, reg, &v) != 0) |
| 180 | printk(KERN_WARNING PFX "%s: phy read timeout\n", hw->dev[port]->name); |
| 181 | return v; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 182 | } |
| 183 | |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 184 | static int sky2_set_power_state(struct sky2_hw *hw, pci_power_t state) |
| 185 | { |
| 186 | u16 power_control; |
| 187 | u32 reg1; |
| 188 | int vaux; |
| 189 | int ret = 0; |
| 190 | |
| 191 | pr_debug("sky2_set_power_state %d\n", state); |
| 192 | sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON); |
| 193 | |
Stephen Hemminger | 56a645c | 2006-02-22 11:45:02 -0800 | [diff] [blame] | 194 | power_control = sky2_pci_read16(hw, hw->pm_cap + PCI_PM_PMC); |
Stephen Hemminger | 08c06d8 | 2006-01-30 11:37:54 -0800 | [diff] [blame] | 195 | vaux = (sky2_read16(hw, B0_CTST) & Y2_VAUX_AVAIL) && |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 196 | (power_control & PCI_PM_CAP_PME_D3cold); |
| 197 | |
Stephen Hemminger | 56a645c | 2006-02-22 11:45:02 -0800 | [diff] [blame] | 198 | power_control = sky2_pci_read16(hw, hw->pm_cap + PCI_PM_CTRL); |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 199 | |
| 200 | power_control |= PCI_PM_CTRL_PME_STATUS; |
| 201 | power_control &= ~(PCI_PM_CTRL_STATE_MASK); |
| 202 | |
| 203 | switch (state) { |
| 204 | case PCI_D0: |
| 205 | /* switch power to VCC (WA for VAUX problem) */ |
| 206 | sky2_write8(hw, B0_POWER_CTRL, |
| 207 | PC_VAUX_ENA | PC_VCC_ENA | PC_VAUX_OFF | PC_VCC_ON); |
| 208 | |
| 209 | /* disable Core Clock Division, */ |
| 210 | sky2_write32(hw, B2_Y2_CLK_CTRL, Y2_CLK_DIV_DIS); |
| 211 | |
| 212 | if (hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev > 1) |
| 213 | /* enable bits are inverted */ |
| 214 | sky2_write8(hw, B2_Y2_CLK_GATE, |
| 215 | Y2_PCI_CLK_LNK1_DIS | Y2_COR_CLK_LNK1_DIS | |
| 216 | Y2_CLK_GAT_LNK1_DIS | Y2_PCI_CLK_LNK2_DIS | |
| 217 | Y2_COR_CLK_LNK2_DIS | Y2_CLK_GAT_LNK2_DIS); |
| 218 | else |
| 219 | sky2_write8(hw, B2_Y2_CLK_GATE, 0); |
| 220 | |
| 221 | /* Turn off phy power saving */ |
Stephen Hemminger | 56a645c | 2006-02-22 11:45:02 -0800 | [diff] [blame] | 222 | reg1 = sky2_pci_read32(hw, PCI_DEV_REG1); |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 223 | reg1 &= ~(PCI_Y2_PHY1_POWD | PCI_Y2_PHY2_POWD); |
| 224 | |
shemminger@osdl.org | d571b69 | 2005-10-26 12:16:09 -0700 | [diff] [blame] | 225 | /* looks like this XL is back asswards .. */ |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 226 | if (hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev > 1) { |
| 227 | reg1 |= PCI_Y2_PHY1_COMA; |
| 228 | if (hw->ports > 1) |
| 229 | reg1 |= PCI_Y2_PHY2_COMA; |
| 230 | } |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 231 | |
| 232 | if (hw->chip_id == CHIP_ID_YUKON_EC_U) { |
Stephen Hemminger | 56a645c | 2006-02-22 11:45:02 -0800 | [diff] [blame] | 233 | sky2_pci_write32(hw, PCI_DEV_REG3, 0); |
| 234 | reg1 = sky2_pci_read32(hw, PCI_DEV_REG4); |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 235 | reg1 &= P_ASPM_CONTROL_MSK; |
Stephen Hemminger | 56a645c | 2006-02-22 11:45:02 -0800 | [diff] [blame] | 236 | sky2_pci_write32(hw, PCI_DEV_REG4, reg1); |
| 237 | sky2_pci_write32(hw, PCI_DEV_REG5, 0); |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 238 | } |
| 239 | |
Stephen Hemminger | 56a645c | 2006-02-22 11:45:02 -0800 | [diff] [blame] | 240 | sky2_pci_write32(hw, PCI_DEV_REG1, reg1); |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 241 | |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 242 | break; |
| 243 | |
| 244 | case PCI_D3hot: |
| 245 | case PCI_D3cold: |
| 246 | /* Turn on phy power saving */ |
Stephen Hemminger | 56a645c | 2006-02-22 11:45:02 -0800 | [diff] [blame] | 247 | reg1 = sky2_pci_read32(hw, PCI_DEV_REG1); |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 248 | if (hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev > 1) |
| 249 | reg1 &= ~(PCI_Y2_PHY1_POWD | PCI_Y2_PHY2_POWD); |
| 250 | else |
| 251 | reg1 |= (PCI_Y2_PHY1_POWD | PCI_Y2_PHY2_POWD); |
Stephen Hemminger | 56a645c | 2006-02-22 11:45:02 -0800 | [diff] [blame] | 252 | sky2_pci_write32(hw, PCI_DEV_REG1, reg1); |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 253 | |
| 254 | if (hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev > 1) |
| 255 | sky2_write8(hw, B2_Y2_CLK_GATE, 0); |
| 256 | else |
| 257 | /* enable bits are inverted */ |
| 258 | sky2_write8(hw, B2_Y2_CLK_GATE, |
| 259 | Y2_PCI_CLK_LNK1_DIS | Y2_COR_CLK_LNK1_DIS | |
| 260 | Y2_CLK_GAT_LNK1_DIS | Y2_PCI_CLK_LNK2_DIS | |
| 261 | Y2_COR_CLK_LNK2_DIS | Y2_CLK_GAT_LNK2_DIS); |
| 262 | |
| 263 | /* switch power to VAUX */ |
| 264 | if (vaux && state != PCI_D3cold) |
| 265 | sky2_write8(hw, B0_POWER_CTRL, |
| 266 | (PC_VAUX_ENA | PC_VCC_ENA | |
| 267 | PC_VAUX_ON | PC_VCC_OFF)); |
| 268 | break; |
| 269 | default: |
| 270 | printk(KERN_ERR PFX "Unknown power state %d\n", state); |
| 271 | ret = -1; |
| 272 | } |
| 273 | |
Stephen Hemminger | 56a645c | 2006-02-22 11:45:02 -0800 | [diff] [blame] | 274 | sky2_pci_write16(hw, hw->pm_cap + PCI_PM_CTRL, power_control); |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 275 | sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF); |
| 276 | return ret; |
| 277 | } |
| 278 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 279 | static void sky2_phy_reset(struct sky2_hw *hw, unsigned port) |
| 280 | { |
| 281 | u16 reg; |
| 282 | |
| 283 | /* disable all GMAC IRQ's */ |
| 284 | sky2_write8(hw, SK_REG(port, GMAC_IRQ_MSK), 0); |
| 285 | /* disable PHY IRQs */ |
| 286 | gm_phy_write(hw, port, PHY_MARV_INT_MASK, 0); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 287 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 288 | gma_write16(hw, port, GM_MC_ADDR_H1, 0); /* clear MC hash */ |
| 289 | gma_write16(hw, port, GM_MC_ADDR_H2, 0); |
| 290 | gma_write16(hw, port, GM_MC_ADDR_H3, 0); |
| 291 | gma_write16(hw, port, GM_MC_ADDR_H4, 0); |
| 292 | |
| 293 | reg = gma_read16(hw, port, GM_RX_CTRL); |
| 294 | reg |= GM_RXCR_UCF_ENA | GM_RXCR_MCF_ENA; |
| 295 | gma_write16(hw, port, GM_RX_CTRL, reg); |
| 296 | } |
| 297 | |
| 298 | static void sky2_phy_init(struct sky2_hw *hw, unsigned port) |
| 299 | { |
| 300 | struct sky2_port *sky2 = netdev_priv(hw->dev[port]); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 301 | u16 ctrl, ct1000, adv, pg, ledctrl, ledover; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 302 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 303 | if (sky2->autoneg == AUTONEG_ENABLE && hw->chip_id != CHIP_ID_YUKON_XL) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 304 | u16 ectrl = gm_phy_read(hw, port, PHY_MARV_EXT_CTRL); |
| 305 | |
| 306 | 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] | 307 | PHY_M_EC_MAC_S_MSK); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 308 | ectrl |= PHY_M_EC_MAC_S(MAC_TX_CLK_25_MHZ); |
| 309 | |
| 310 | if (hw->chip_id == CHIP_ID_YUKON_EC) |
| 311 | ectrl |= PHY_M_EC_DSC_2(2) | PHY_M_EC_DOWN_S_ENA; |
| 312 | else |
| 313 | ectrl |= PHY_M_EC_M_DSC(2) | PHY_M_EC_S_DSC(3); |
| 314 | |
| 315 | gm_phy_write(hw, port, PHY_MARV_EXT_CTRL, ectrl); |
| 316 | } |
| 317 | |
| 318 | ctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL); |
| 319 | if (hw->copper) { |
| 320 | if (hw->chip_id == CHIP_ID_YUKON_FE) { |
| 321 | /* enable automatic crossover */ |
| 322 | ctrl |= PHY_M_PC_MDI_XMODE(PHY_M_PC_ENA_AUTO) >> 1; |
| 323 | } else { |
| 324 | /* disable energy detect */ |
| 325 | ctrl &= ~PHY_M_PC_EN_DET_MSK; |
| 326 | |
| 327 | /* enable automatic crossover */ |
| 328 | ctrl |= PHY_M_PC_MDI_XMODE(PHY_M_PC_ENA_AUTO); |
| 329 | |
| 330 | if (sky2->autoneg == AUTONEG_ENABLE && |
| 331 | hw->chip_id == CHIP_ID_YUKON_XL) { |
| 332 | ctrl &= ~PHY_M_PC_DSC_MSK; |
| 333 | ctrl |= PHY_M_PC_DSC(2) | PHY_M_PC_DOWN_S_ENA; |
| 334 | } |
| 335 | } |
| 336 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl); |
| 337 | } else { |
| 338 | /* workaround for deviation #4.88 (CRC errors) */ |
| 339 | /* disable Automatic Crossover */ |
| 340 | |
| 341 | ctrl &= ~PHY_M_PC_MDIX_MSK; |
| 342 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl); |
| 343 | |
| 344 | if (hw->chip_id == CHIP_ID_YUKON_XL) { |
| 345 | /* Fiber: select 1000BASE-X only mode MAC Specific Ctrl Reg. */ |
| 346 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 2); |
| 347 | ctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL); |
| 348 | ctrl &= ~PHY_M_MAC_MD_MSK; |
| 349 | ctrl |= PHY_M_MAC_MODE_SEL(PHY_M_MAC_MD_1000BX); |
| 350 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl); |
| 351 | |
| 352 | /* select page 1 to access Fiber registers */ |
| 353 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 1); |
| 354 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 355 | } |
| 356 | |
| 357 | ctrl = gm_phy_read(hw, port, PHY_MARV_CTRL); |
| 358 | if (sky2->autoneg == AUTONEG_DISABLE) |
| 359 | ctrl &= ~PHY_CT_ANE; |
| 360 | else |
| 361 | ctrl |= PHY_CT_ANE; |
| 362 | |
| 363 | ctrl |= PHY_CT_RESET; |
| 364 | gm_phy_write(hw, port, PHY_MARV_CTRL, ctrl); |
| 365 | |
| 366 | ctrl = 0; |
| 367 | ct1000 = 0; |
| 368 | adv = PHY_AN_CSMA; |
| 369 | |
| 370 | if (sky2->autoneg == AUTONEG_ENABLE) { |
| 371 | if (hw->copper) { |
| 372 | if (sky2->advertising & ADVERTISED_1000baseT_Full) |
| 373 | ct1000 |= PHY_M_1000C_AFD; |
| 374 | if (sky2->advertising & ADVERTISED_1000baseT_Half) |
| 375 | ct1000 |= PHY_M_1000C_AHD; |
| 376 | if (sky2->advertising & ADVERTISED_100baseT_Full) |
| 377 | adv |= PHY_M_AN_100_FD; |
| 378 | if (sky2->advertising & ADVERTISED_100baseT_Half) |
| 379 | adv |= PHY_M_AN_100_HD; |
| 380 | if (sky2->advertising & ADVERTISED_10baseT_Full) |
| 381 | adv |= PHY_M_AN_10_FD; |
| 382 | if (sky2->advertising & ADVERTISED_10baseT_Half) |
| 383 | adv |= PHY_M_AN_10_HD; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 384 | } else /* special defines for FIBER (88E1011S only) */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 385 | adv |= PHY_M_AN_1000X_AHD | PHY_M_AN_1000X_AFD; |
| 386 | |
| 387 | /* Set Flow-control capabilities */ |
| 388 | if (sky2->tx_pause && sky2->rx_pause) |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 389 | adv |= PHY_AN_PAUSE_CAP; /* symmetric */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 390 | else if (sky2->rx_pause && !sky2->tx_pause) |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 391 | adv |= PHY_AN_PAUSE_ASYM | PHY_AN_PAUSE_CAP; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 392 | else if (!sky2->rx_pause && sky2->tx_pause) |
| 393 | adv |= PHY_AN_PAUSE_ASYM; /* local */ |
| 394 | |
| 395 | /* Restart Auto-negotiation */ |
| 396 | ctrl |= PHY_CT_ANE | PHY_CT_RE_CFG; |
| 397 | } else { |
| 398 | /* forced speed/duplex settings */ |
| 399 | ct1000 = PHY_M_1000C_MSE; |
| 400 | |
| 401 | if (sky2->duplex == DUPLEX_FULL) |
| 402 | ctrl |= PHY_CT_DUP_MD; |
| 403 | |
| 404 | switch (sky2->speed) { |
| 405 | case SPEED_1000: |
| 406 | ctrl |= PHY_CT_SP1000; |
| 407 | break; |
| 408 | case SPEED_100: |
| 409 | ctrl |= PHY_CT_SP100; |
| 410 | break; |
| 411 | } |
| 412 | |
| 413 | ctrl |= PHY_CT_RESET; |
| 414 | } |
| 415 | |
| 416 | if (hw->chip_id != CHIP_ID_YUKON_FE) |
| 417 | gm_phy_write(hw, port, PHY_MARV_1000T_CTRL, ct1000); |
| 418 | |
| 419 | gm_phy_write(hw, port, PHY_MARV_AUNE_ADV, adv); |
| 420 | gm_phy_write(hw, port, PHY_MARV_CTRL, ctrl); |
| 421 | |
| 422 | /* Setup Phy LED's */ |
| 423 | ledctrl = PHY_M_LED_PULS_DUR(PULS_170MS); |
| 424 | ledover = 0; |
| 425 | |
| 426 | switch (hw->chip_id) { |
| 427 | case CHIP_ID_YUKON_FE: |
| 428 | /* on 88E3082 these bits are at 11..9 (shifted left) */ |
| 429 | ledctrl |= PHY_M_LED_BLINK_RT(BLINK_84MS) << 1; |
| 430 | |
| 431 | ctrl = gm_phy_read(hw, port, PHY_MARV_FE_LED_PAR); |
| 432 | |
| 433 | /* delete ACT LED control bits */ |
| 434 | ctrl &= ~PHY_M_FELP_LED1_MSK; |
| 435 | /* change ACT LED control to blink mode */ |
| 436 | ctrl |= PHY_M_FELP_LED1_CTRL(LED_PAR_CTRL_ACT_BL); |
| 437 | gm_phy_write(hw, port, PHY_MARV_FE_LED_PAR, ctrl); |
| 438 | break; |
| 439 | |
| 440 | case CHIP_ID_YUKON_XL: |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 441 | pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 442 | |
| 443 | /* select page 3 to access LED control register */ |
| 444 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 3); |
| 445 | |
| 446 | /* set LED Function Control register */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 447 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, (PHY_M_LEDC_LOS_CTRL(1) | /* LINK/ACT */ |
| 448 | PHY_M_LEDC_INIT_CTRL(7) | /* 10 Mbps */ |
| 449 | PHY_M_LEDC_STA1_CTRL(7) | /* 100 Mbps */ |
| 450 | PHY_M_LEDC_STA0_CTRL(7))); /* 1000 Mbps */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 451 | |
| 452 | /* set Polarity Control register */ |
| 453 | gm_phy_write(hw, port, PHY_MARV_PHY_STAT, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 454 | (PHY_M_POLC_LS1_P_MIX(4) | |
| 455 | PHY_M_POLC_IS0_P_MIX(4) | |
| 456 | PHY_M_POLC_LOS_CTRL(2) | |
| 457 | PHY_M_POLC_INIT_CTRL(2) | |
| 458 | PHY_M_POLC_STA1_CTRL(2) | |
| 459 | PHY_M_POLC_STA0_CTRL(2))); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 460 | |
| 461 | /* restore page register */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 462 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 463 | break; |
| 464 | |
| 465 | default: |
| 466 | /* set Tx LED (LED_TX) to blink mode on Rx OR Tx activity */ |
| 467 | ledctrl |= PHY_M_LED_BLINK_RT(BLINK_84MS) | PHY_M_LEDC_TX_CTRL; |
| 468 | /* turn off the Rx LED (LED_RX) */ |
| 469 | ledover |= PHY_M_LED_MO_RX(MO_LED_OFF); |
| 470 | } |
| 471 | |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 472 | if (hw->chip_id == CHIP_ID_YUKON_EC_U && hw->chip_rev >= 2) { |
| 473 | /* apply fixes in PHY AFE */ |
| 474 | gm_phy_write(hw, port, 22, 255); |
| 475 | /* increase differential signal amplitude in 10BASE-T */ |
| 476 | gm_phy_write(hw, port, 24, 0xaa99); |
| 477 | gm_phy_write(hw, port, 23, 0x2011); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 478 | |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 479 | /* fix for IEEE A/B Symmetry failure in 1000BASE-T */ |
| 480 | gm_phy_write(hw, port, 24, 0xa204); |
| 481 | gm_phy_write(hw, port, 23, 0x2002); |
| 482 | |
| 483 | /* set page register to 0 */ |
| 484 | gm_phy_write(hw, port, 22, 0); |
| 485 | } else { |
| 486 | gm_phy_write(hw, port, PHY_MARV_LED_CTRL, ledctrl); |
| 487 | |
| 488 | if (sky2->autoneg == AUTONEG_DISABLE || sky2->speed == SPEED_100) { |
| 489 | /* turn on 100 Mbps LED (LED_LINK100) */ |
| 490 | ledover |= PHY_M_LED_MO_100(MO_LED_ON); |
| 491 | } |
| 492 | |
| 493 | if (ledover) |
| 494 | gm_phy_write(hw, port, PHY_MARV_LED_OVER, ledover); |
| 495 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 496 | } |
shemminger@osdl.org | d571b69 | 2005-10-26 12:16:09 -0700 | [diff] [blame] | 497 | /* Enable phy interrupt on auto-negotiation complete (or link up) */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 498 | if (sky2->autoneg == AUTONEG_ENABLE) |
| 499 | gm_phy_write(hw, port, PHY_MARV_INT_MASK, PHY_M_IS_AN_COMPL); |
| 500 | else |
| 501 | gm_phy_write(hw, port, PHY_MARV_INT_MASK, PHY_M_DEF_MSK); |
| 502 | } |
| 503 | |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 504 | /* Force a renegotiation */ |
| 505 | static void sky2_phy_reinit(struct sky2_port *sky2) |
| 506 | { |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 507 | spin_lock_bh(&sky2->phy_lock); |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 508 | sky2_phy_init(sky2->hw, sky2->port); |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 509 | spin_unlock_bh(&sky2->phy_lock); |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 510 | } |
| 511 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 512 | static void sky2_mac_init(struct sky2_hw *hw, unsigned port) |
| 513 | { |
| 514 | struct sky2_port *sky2 = netdev_priv(hw->dev[port]); |
| 515 | u16 reg; |
| 516 | int i; |
| 517 | const u8 *addr = hw->dev[port]->dev_addr; |
| 518 | |
shemminger@osdl.org | 42eeea0 | 2005-11-30 11:45:13 -0800 | [diff] [blame] | 519 | sky2_write32(hw, SK_REG(port, GPHY_CTRL), GPC_RST_SET); |
| 520 | sky2_write32(hw, SK_REG(port, GPHY_CTRL), GPC_RST_CLR|GPC_ENA_PAUSE); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 521 | |
| 522 | sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_RST_CLR); |
| 523 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 524 | 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] | 525 | /* WA DEV_472 -- looks like crossed wires on port 2 */ |
| 526 | /* clear GMAC 1 Control reset */ |
| 527 | sky2_write8(hw, SK_REG(0, GMAC_CTRL), GMC_RST_CLR); |
| 528 | do { |
| 529 | sky2_write8(hw, SK_REG(1, GMAC_CTRL), GMC_RST_SET); |
| 530 | sky2_write8(hw, SK_REG(1, GMAC_CTRL), GMC_RST_CLR); |
| 531 | } while (gm_phy_read(hw, 1, PHY_MARV_ID0) != PHY_MARV_ID0_VAL || |
| 532 | gm_phy_read(hw, 1, PHY_MARV_ID1) != PHY_MARV_ID1_Y2 || |
| 533 | gm_phy_read(hw, 1, PHY_MARV_INT_MASK) != 0); |
| 534 | } |
| 535 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 536 | if (sky2->autoneg == AUTONEG_DISABLE) { |
| 537 | reg = gma_read16(hw, port, GM_GP_CTRL); |
| 538 | reg |= GM_GPCR_AU_ALL_DIS; |
| 539 | gma_write16(hw, port, GM_GP_CTRL, reg); |
| 540 | gma_read16(hw, port, GM_GP_CTRL); |
| 541 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 542 | switch (sky2->speed) { |
| 543 | case SPEED_1000: |
Stephen Hemminger | 6f4c56b | 2006-02-10 15:58:59 -0800 | [diff] [blame] | 544 | reg &= ~GM_GPCR_SPEED_100; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 545 | reg |= GM_GPCR_SPEED_1000; |
Stephen Hemminger | 6f4c56b | 2006-02-10 15:58:59 -0800 | [diff] [blame] | 546 | break; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 547 | case SPEED_100: |
Stephen Hemminger | 6f4c56b | 2006-02-10 15:58:59 -0800 | [diff] [blame] | 548 | reg &= ~GM_GPCR_SPEED_1000; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 549 | reg |= GM_GPCR_SPEED_100; |
Stephen Hemminger | 6f4c56b | 2006-02-10 15:58:59 -0800 | [diff] [blame] | 550 | break; |
| 551 | case SPEED_10: |
| 552 | reg &= ~(GM_GPCR_SPEED_1000 | GM_GPCR_SPEED_100); |
| 553 | break; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 554 | } |
| 555 | |
| 556 | if (sky2->duplex == DUPLEX_FULL) |
| 557 | reg |= GM_GPCR_DUP_FULL; |
| 558 | } else |
| 559 | reg = GM_GPCR_SPEED_1000 | GM_GPCR_SPEED_100 | GM_GPCR_DUP_FULL; |
| 560 | |
| 561 | if (!sky2->tx_pause && !sky2->rx_pause) { |
| 562 | sky2_write32(hw, SK_REG(port, GMAC_CTRL), GMC_PAUSE_OFF); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 563 | reg |= |
| 564 | GM_GPCR_FC_TX_DIS | GM_GPCR_FC_RX_DIS | GM_GPCR_AU_FCT_DIS; |
| 565 | } else if (sky2->tx_pause && !sky2->rx_pause) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 566 | /* disable Rx flow-control */ |
| 567 | reg |= GM_GPCR_FC_RX_DIS | GM_GPCR_AU_FCT_DIS; |
| 568 | } |
| 569 | |
| 570 | gma_write16(hw, port, GM_GP_CTRL, reg); |
| 571 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 572 | sky2_read16(hw, SK_REG(port, GMAC_IRQ_SRC)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 573 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 574 | spin_lock_bh(&sky2->phy_lock); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 575 | sky2_phy_init(hw, port); |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 576 | spin_unlock_bh(&sky2->phy_lock); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 577 | |
| 578 | /* MIB clear */ |
| 579 | reg = gma_read16(hw, port, GM_PHY_ADDR); |
| 580 | gma_write16(hw, port, GM_PHY_ADDR, reg | GM_PAR_MIB_CLR); |
| 581 | |
| 582 | for (i = 0; i < GM_MIB_CNT_SIZE; i++) |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 583 | gma_read16(hw, port, GM_MIB_CNT_BASE + 8 * i); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 584 | gma_write16(hw, port, GM_PHY_ADDR, reg); |
| 585 | |
| 586 | /* transmit control */ |
| 587 | gma_write16(hw, port, GM_TX_CTRL, TX_COL_THR(TX_COL_DEF)); |
| 588 | |
| 589 | /* receive control reg: unicast + multicast + no FCS */ |
| 590 | gma_write16(hw, port, GM_RX_CTRL, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 591 | GM_RXCR_UCF_ENA | GM_RXCR_CRC_DIS | GM_RXCR_MCF_ENA); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 592 | |
| 593 | /* transmit flow control */ |
| 594 | gma_write16(hw, port, GM_TX_FLOW_CTRL, 0xffff); |
| 595 | |
| 596 | /* transmit parameter */ |
| 597 | gma_write16(hw, port, GM_TX_PARAM, |
| 598 | TX_JAM_LEN_VAL(TX_JAM_LEN_DEF) | |
| 599 | TX_JAM_IPG_VAL(TX_JAM_IPG_DEF) | |
| 600 | TX_IPG_JAM_DATA(TX_IPG_JAM_DEF) | |
| 601 | TX_BACK_OFF_LIM(TX_BOF_LIM_DEF)); |
| 602 | |
| 603 | /* serial mode register */ |
| 604 | reg = DATA_BLIND_VAL(DATA_BLIND_DEF) | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 605 | GM_SMOD_VLAN_ENA | IPG_DATA_VAL(IPG_DATA_DEF); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 606 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 607 | if (hw->dev[port]->mtu > ETH_DATA_LEN) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 608 | reg |= GM_SMOD_JUMBO_ENA; |
| 609 | |
| 610 | gma_write16(hw, port, GM_SERIAL_MODE, reg); |
| 611 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 612 | /* virtual address for data */ |
| 613 | gma_set_addr(hw, port, GM_SRC_ADDR_2L, addr); |
| 614 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 615 | /* physical address: used for pause frames */ |
| 616 | gma_set_addr(hw, port, GM_SRC_ADDR_1L, addr); |
| 617 | |
| 618 | /* ignore counter overflows */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 619 | gma_write16(hw, port, GM_TX_IRQ_MSK, 0); |
| 620 | gma_write16(hw, port, GM_RX_IRQ_MSK, 0); |
| 621 | gma_write16(hw, port, GM_TR_IRQ_MSK, 0); |
| 622 | |
| 623 | /* Configure Rx MAC FIFO */ |
| 624 | sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_RST_CLR); |
Stephen Hemminger | 70f1be4 | 2006-03-07 11:06:37 -0800 | [diff] [blame] | 625 | sky2_write32(hw, SK_REG(port, RX_GMF_CTRL_T), |
| 626 | GMF_OPER_ON | GMF_RX_F_FL_ON); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 627 | |
shemminger@osdl.org | d571b69 | 2005-10-26 12:16:09 -0700 | [diff] [blame] | 628 | /* Flush Rx MAC FIFO on any flow control or error */ |
shemminger@osdl.org | 42eeea0 | 2005-11-30 11:45:13 -0800 | [diff] [blame] | 629 | 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] | 630 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 631 | /* Set threshold to 0xa (64 bytes) |
| 632 | * ASF disabled so no need to do WA dev #4.30 |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 633 | */ |
| 634 | sky2_write16(hw, SK_REG(port, RX_GMF_FL_THR), RX_GMF_FL_THR_DEF); |
| 635 | |
| 636 | /* Configure Tx MAC FIFO */ |
| 637 | sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_RST_CLR); |
| 638 | 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] | 639 | |
| 640 | if (hw->chip_id == CHIP_ID_YUKON_EC_U) { |
| 641 | sky2_write8(hw, SK_REG(port, RX_GMF_LP_THR), 768/8); |
| 642 | sky2_write8(hw, SK_REG(port, RX_GMF_UP_THR), 1024/8); |
| 643 | if (hw->dev[port]->mtu > ETH_DATA_LEN) { |
| 644 | /* set Tx GMAC FIFO Almost Empty Threshold */ |
| 645 | sky2_write32(hw, SK_REG(port, TX_GMF_AE_THR), 0x180); |
| 646 | /* Disable Store & Forward mode for TX */ |
| 647 | sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), TX_STFW_DIS); |
| 648 | } |
| 649 | } |
| 650 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 651 | } |
| 652 | |
Stephen Hemminger | 1c28f6b | 2006-01-17 13:43:13 -0800 | [diff] [blame] | 653 | /* Assign Ram Buffer allocation. |
| 654 | * start and end are in units of 4k bytes |
| 655 | * ram registers are in units of 64bit words |
| 656 | */ |
| 657 | static void sky2_ramset(struct sky2_hw *hw, u16 q, u8 startk, u8 endk) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 658 | { |
Stephen Hemminger | 1c28f6b | 2006-01-17 13:43:13 -0800 | [diff] [blame] | 659 | u32 start, end; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 660 | |
Stephen Hemminger | 1c28f6b | 2006-01-17 13:43:13 -0800 | [diff] [blame] | 661 | start = startk * 4096/8; |
| 662 | end = (endk * 4096/8) - 1; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 663 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 664 | sky2_write8(hw, RB_ADDR(q, RB_CTRL), RB_RST_CLR); |
| 665 | sky2_write32(hw, RB_ADDR(q, RB_START), start); |
| 666 | sky2_write32(hw, RB_ADDR(q, RB_END), end); |
| 667 | sky2_write32(hw, RB_ADDR(q, RB_WP), start); |
| 668 | sky2_write32(hw, RB_ADDR(q, RB_RP), start); |
| 669 | |
| 670 | if (q == Q_R1 || q == Q_R2) { |
Stephen Hemminger | 1c28f6b | 2006-01-17 13:43:13 -0800 | [diff] [blame] | 671 | u32 space = (endk - startk) * 4096/8; |
| 672 | u32 tp = space - space/4; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 673 | |
Stephen Hemminger | 1c28f6b | 2006-01-17 13:43:13 -0800 | [diff] [blame] | 674 | /* On receive queue's set the thresholds |
| 675 | * give receiver priority when > 3/4 full |
| 676 | * send pause when down to 2K |
| 677 | */ |
| 678 | sky2_write32(hw, RB_ADDR(q, RB_RX_UTHP), tp); |
| 679 | sky2_write32(hw, RB_ADDR(q, RB_RX_LTHP), space/2); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 680 | |
Stephen Hemminger | 1c28f6b | 2006-01-17 13:43:13 -0800 | [diff] [blame] | 681 | tp = space - 2048/8; |
| 682 | sky2_write32(hw, RB_ADDR(q, RB_RX_UTPP), tp); |
| 683 | sky2_write32(hw, RB_ADDR(q, RB_RX_LTPP), space/4); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 684 | } else { |
| 685 | /* Enable store & forward on Tx queue's because |
| 686 | * Tx FIFO is only 1K on Yukon |
| 687 | */ |
| 688 | sky2_write8(hw, RB_ADDR(q, RB_CTRL), RB_ENA_STFWD); |
| 689 | } |
| 690 | |
| 691 | sky2_write8(hw, RB_ADDR(q, RB_CTRL), RB_ENA_OP_MD); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 692 | sky2_read8(hw, RB_ADDR(q, RB_CTRL)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 693 | } |
| 694 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 695 | /* Setup Bus Memory Interface */ |
shemminger@osdl.org | af4ed7e | 2005-11-30 11:45:21 -0800 | [diff] [blame] | 696 | static void sky2_qset(struct sky2_hw *hw, u16 q) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 697 | { |
| 698 | sky2_write32(hw, Q_ADDR(q, Q_CSR), BMU_CLR_RESET); |
| 699 | sky2_write32(hw, Q_ADDR(q, Q_CSR), BMU_OPER_INIT); |
| 700 | 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] | 701 | sky2_write32(hw, Q_ADDR(q, Q_WM), BMU_WM_DEFAULT); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 702 | } |
| 703 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 704 | /* Setup prefetch unit registers. This is the interface between |
| 705 | * hardware and driver list elements |
| 706 | */ |
Stephen Hemminger | 8cc048e | 2005-12-09 11:35:07 -0800 | [diff] [blame] | 707 | static void sky2_prefetch_init(struct sky2_hw *hw, u32 qaddr, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 708 | u64 addr, u32 last) |
| 709 | { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 710 | sky2_write32(hw, Y2_QADDR(qaddr, PREF_UNIT_CTRL), PREF_UNIT_RST_SET); |
| 711 | sky2_write32(hw, Y2_QADDR(qaddr, PREF_UNIT_CTRL), PREF_UNIT_RST_CLR); |
| 712 | sky2_write32(hw, Y2_QADDR(qaddr, PREF_UNIT_ADDR_HI), addr >> 32); |
| 713 | sky2_write32(hw, Y2_QADDR(qaddr, PREF_UNIT_ADDR_LO), (u32) addr); |
| 714 | sky2_write16(hw, Y2_QADDR(qaddr, PREF_UNIT_LAST_IDX), last); |
| 715 | 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] | 716 | |
| 717 | sky2_read32(hw, Y2_QADDR(qaddr, PREF_UNIT_CTRL)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 718 | } |
| 719 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 720 | static inline struct sky2_tx_le *get_tx_le(struct sky2_port *sky2) |
| 721 | { |
| 722 | struct sky2_tx_le *le = sky2->tx_le + sky2->tx_prod; |
| 723 | |
| 724 | sky2->tx_prod = (sky2->tx_prod + 1) % TX_RING_SIZE; |
| 725 | return le; |
| 726 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 727 | |
Stephen Hemminger | 290d4de | 2006-03-20 15:48:15 -0800 | [diff] [blame] | 728 | /* Update chip's next pointer */ |
| 729 | 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] | 730 | { |
Stephen Hemminger | 762c2de | 2006-01-17 13:43:14 -0800 | [diff] [blame] | 731 | wmb(); |
Stephen Hemminger | 290d4de | 2006-03-20 15:48:15 -0800 | [diff] [blame] | 732 | sky2_write16(hw, Y2_QADDR(q, PREF_UNIT_PUT_IDX), idx); |
Stephen Hemminger | 762c2de | 2006-01-17 13:43:14 -0800 | [diff] [blame] | 733 | mmiowb(); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 734 | } |
| 735 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 736 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 737 | static inline struct sky2_rx_le *sky2_next_rx(struct sky2_port *sky2) |
| 738 | { |
| 739 | struct sky2_rx_le *le = sky2->rx_le + sky2->rx_put; |
| 740 | sky2->rx_put = (sky2->rx_put + 1) % RX_LE_SIZE; |
| 741 | return le; |
| 742 | } |
| 743 | |
shemminger@osdl.org | a018e33 | 2005-11-30 11:45:16 -0800 | [diff] [blame] | 744 | /* Return high part of DMA address (could be 32 or 64 bit) */ |
| 745 | static inline u32 high32(dma_addr_t a) |
| 746 | { |
Stephen Hemminger | a036119 | 2006-01-17 13:43:16 -0800 | [diff] [blame] | 747 | return sizeof(a) > sizeof(u32) ? (a >> 16) >> 16 : 0; |
shemminger@osdl.org | a018e33 | 2005-11-30 11:45:16 -0800 | [diff] [blame] | 748 | } |
| 749 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 750 | /* Build description to hardware about buffer */ |
Stephen Hemminger | 28bd181 | 2006-01-17 13:43:19 -0800 | [diff] [blame] | 751 | static void sky2_rx_add(struct sky2_port *sky2, dma_addr_t map) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 752 | { |
| 753 | struct sky2_rx_le *le; |
Stephen Hemminger | 734d186 | 2005-12-09 11:35:00 -0800 | [diff] [blame] | 754 | u32 hi = high32(map); |
| 755 | u16 len = sky2->rx_bufsize; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 756 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 757 | if (sky2->rx_addr64 != hi) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 758 | le = sky2_next_rx(sky2); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 759 | le->addr = cpu_to_le32(hi); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 760 | le->ctrl = 0; |
| 761 | le->opcode = OP_ADDR64 | HW_OWNER; |
Stephen Hemminger | 734d186 | 2005-12-09 11:35:00 -0800 | [diff] [blame] | 762 | sky2->rx_addr64 = high32(map + len); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 763 | } |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 764 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 765 | le = sky2_next_rx(sky2); |
Stephen Hemminger | 734d186 | 2005-12-09 11:35:00 -0800 | [diff] [blame] | 766 | le->addr = cpu_to_le32((u32) map); |
| 767 | le->length = cpu_to_le16(len); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 768 | le->ctrl = 0; |
| 769 | le->opcode = OP_PACKET | HW_OWNER; |
| 770 | } |
| 771 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 772 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 773 | /* Tell chip where to start receive checksum. |
| 774 | * Actually has two checksums, but set both same to avoid possible byte |
| 775 | * order problems. |
| 776 | */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 777 | static void rx_set_checksum(struct sky2_port *sky2) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 778 | { |
| 779 | struct sky2_rx_le *le; |
| 780 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 781 | le = sky2_next_rx(sky2); |
| 782 | le->addr = (ETH_HLEN << 16) | ETH_HLEN; |
| 783 | le->ctrl = 0; |
| 784 | le->opcode = OP_TCPSTART | HW_OWNER; |
| 785 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 786 | sky2_write32(sky2->hw, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 787 | Q_ADDR(rxqaddr[sky2->port], Q_CSR), |
| 788 | sky2->rx_csum ? BMU_ENA_RX_CHKSUM : BMU_DIS_RX_CHKSUM); |
| 789 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 790 | } |
| 791 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 792 | /* |
| 793 | * The RX Stop command will not work for Yukon-2 if the BMU does not |
| 794 | * reach the end of packet and since we can't make sure that we have |
| 795 | * incoming data, we must reset the BMU while it is not doing a DMA |
| 796 | * transfer. Since it is possible that the RX path is still active, |
| 797 | * the RX RAM buffer will be stopped first, so any possible incoming |
| 798 | * data will not trigger a DMA. After the RAM buffer is stopped, the |
| 799 | * BMU is polled until any DMA in progress is ended and only then it |
| 800 | * will be reset. |
| 801 | */ |
| 802 | static void sky2_rx_stop(struct sky2_port *sky2) |
| 803 | { |
| 804 | struct sky2_hw *hw = sky2->hw; |
| 805 | unsigned rxq = rxqaddr[sky2->port]; |
| 806 | int i; |
| 807 | |
| 808 | /* disable the RAM Buffer receive queue */ |
| 809 | sky2_write8(hw, RB_ADDR(rxq, RB_CTRL), RB_DIS_OP_MD); |
| 810 | |
| 811 | for (i = 0; i < 0xffff; i++) |
| 812 | if (sky2_read8(hw, RB_ADDR(rxq, Q_RSL)) |
| 813 | == sky2_read8(hw, RB_ADDR(rxq, Q_RL))) |
| 814 | goto stopped; |
| 815 | |
| 816 | printk(KERN_WARNING PFX "%s: receiver stop failed\n", |
| 817 | sky2->netdev->name); |
| 818 | stopped: |
| 819 | sky2_write32(hw, Q_ADDR(rxq, Q_CSR), BMU_RST_SET | BMU_FIFO_RST); |
| 820 | |
| 821 | /* reset the Rx prefetch unit */ |
| 822 | sky2_write32(hw, Y2_QADDR(rxq, PREF_UNIT_CTRL), PREF_UNIT_RST_SET); |
| 823 | } |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 824 | |
shemminger@osdl.org | d571b69 | 2005-10-26 12:16:09 -0700 | [diff] [blame] | 825 | /* Clean out receive buffer area, assumes receiver hardware stopped */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 826 | static void sky2_rx_clean(struct sky2_port *sky2) |
| 827 | { |
| 828 | unsigned i; |
| 829 | |
| 830 | memset(sky2->rx_le, 0, RX_LE_BYTES); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 831 | for (i = 0; i < sky2->rx_pending; i++) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 832 | struct ring_info *re = sky2->rx_ring + i; |
| 833 | |
| 834 | if (re->skb) { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 835 | pci_unmap_single(sky2->hw->pdev, |
Stephen Hemminger | 734d186 | 2005-12-09 11:35:00 -0800 | [diff] [blame] | 836 | re->mapaddr, sky2->rx_bufsize, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 837 | PCI_DMA_FROMDEVICE); |
| 838 | kfree_skb(re->skb); |
| 839 | re->skb = NULL; |
| 840 | } |
| 841 | } |
| 842 | } |
| 843 | |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 844 | /* Basic MII support */ |
| 845 | static int sky2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) |
| 846 | { |
| 847 | struct mii_ioctl_data *data = if_mii(ifr); |
| 848 | struct sky2_port *sky2 = netdev_priv(dev); |
| 849 | struct sky2_hw *hw = sky2->hw; |
| 850 | int err = -EOPNOTSUPP; |
| 851 | |
| 852 | if (!netif_running(dev)) |
| 853 | return -ENODEV; /* Phy still in reset */ |
| 854 | |
Stephen Hemminger | d89e134 | 2006-03-20 15:48:20 -0800 | [diff] [blame] | 855 | switch (cmd) { |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 856 | case SIOCGMIIPHY: |
| 857 | data->phy_id = PHY_ADDR_MARV; |
| 858 | |
| 859 | /* fallthru */ |
| 860 | case SIOCGMIIREG: { |
| 861 | u16 val = 0; |
Stephen Hemminger | 91c86df | 2005-12-09 11:34:57 -0800 | [diff] [blame] | 862 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 863 | spin_lock_bh(&sky2->phy_lock); |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 864 | err = __gm_phy_read(hw, sky2->port, data->reg_num & 0x1f, &val); |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 865 | spin_unlock_bh(&sky2->phy_lock); |
Stephen Hemminger | 91c86df | 2005-12-09 11:34:57 -0800 | [diff] [blame] | 866 | |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 867 | data->val_out = val; |
| 868 | break; |
| 869 | } |
| 870 | |
| 871 | case SIOCSMIIREG: |
| 872 | if (!capable(CAP_NET_ADMIN)) |
| 873 | return -EPERM; |
| 874 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 875 | spin_lock_bh(&sky2->phy_lock); |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 876 | err = gm_phy_write(hw, sky2->port, data->reg_num & 0x1f, |
| 877 | data->val_in); |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 878 | spin_unlock_bh(&sky2->phy_lock); |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 879 | break; |
| 880 | } |
| 881 | return err; |
| 882 | } |
| 883 | |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 884 | #ifdef SKY2_VLAN_TAG_USED |
| 885 | static void sky2_vlan_rx_register(struct net_device *dev, struct vlan_group *grp) |
| 886 | { |
| 887 | struct sky2_port *sky2 = netdev_priv(dev); |
| 888 | struct sky2_hw *hw = sky2->hw; |
| 889 | u16 port = sky2->port; |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 890 | |
Stephen Hemminger | 302d125 | 2006-01-17 13:43:20 -0800 | [diff] [blame] | 891 | spin_lock_bh(&sky2->tx_lock); |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 892 | |
| 893 | sky2_write32(hw, SK_REG(port, RX_GMF_CTRL_T), RX_VLAN_STRIP_ON); |
| 894 | sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), TX_VLAN_TAG_ON); |
| 895 | sky2->vlgrp = grp; |
| 896 | |
Stephen Hemminger | 302d125 | 2006-01-17 13:43:20 -0800 | [diff] [blame] | 897 | spin_unlock_bh(&sky2->tx_lock); |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 898 | } |
| 899 | |
| 900 | static void sky2_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid) |
| 901 | { |
| 902 | struct sky2_port *sky2 = netdev_priv(dev); |
| 903 | struct sky2_hw *hw = sky2->hw; |
| 904 | u16 port = sky2->port; |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 905 | |
Stephen Hemminger | 302d125 | 2006-01-17 13:43:20 -0800 | [diff] [blame] | 906 | spin_lock_bh(&sky2->tx_lock); |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 907 | |
| 908 | sky2_write32(hw, SK_REG(port, RX_GMF_CTRL_T), RX_VLAN_STRIP_OFF); |
| 909 | sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), TX_VLAN_TAG_OFF); |
| 910 | if (sky2->vlgrp) |
| 911 | sky2->vlgrp->vlan_devices[vid] = NULL; |
| 912 | |
Stephen Hemminger | 302d125 | 2006-01-17 13:43:20 -0800 | [diff] [blame] | 913 | spin_unlock_bh(&sky2->tx_lock); |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 914 | } |
| 915 | #endif |
| 916 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 917 | /* |
Stephen Hemminger | 82788c7 | 2006-01-17 13:43:10 -0800 | [diff] [blame] | 918 | * It appears the hardware has a bug in the FIFO logic that |
| 919 | * cause it to hang if the FIFO gets overrun and the receive buffer |
| 920 | * is not aligned. ALso alloc_skb() won't align properly if slab |
| 921 | * debugging is enabled. |
| 922 | */ |
| 923 | static inline struct sk_buff *sky2_alloc_skb(unsigned int size, gfp_t gfp_mask) |
| 924 | { |
| 925 | struct sk_buff *skb; |
| 926 | |
| 927 | skb = alloc_skb(size + RX_SKB_ALIGN, gfp_mask); |
| 928 | if (likely(skb)) { |
| 929 | unsigned long p = (unsigned long) skb->data; |
| 930 | skb_reserve(skb, |
| 931 | ((p + RX_SKB_ALIGN - 1) & ~(RX_SKB_ALIGN - 1)) - p); |
| 932 | } |
| 933 | |
| 934 | return skb; |
| 935 | } |
| 936 | |
| 937 | /* |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 938 | * Allocate and setup receiver buffer pool. |
| 939 | * In case of 64 bit dma, there are 2X as many list elements |
| 940 | * available as ring entries |
| 941 | * and need to reserve one list element so we don't wrap around. |
| 942 | */ |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 943 | static int sky2_rx_start(struct sky2_port *sky2) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 944 | { |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 945 | struct sky2_hw *hw = sky2->hw; |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 946 | unsigned rxq = rxqaddr[sky2->port]; |
| 947 | int i; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 948 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 949 | sky2->rx_put = sky2->rx_next = 0; |
shemminger@osdl.org | af4ed7e | 2005-11-30 11:45:21 -0800 | [diff] [blame] | 950 | sky2_qset(hw, rxq); |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 951 | |
| 952 | if (hw->chip_id == CHIP_ID_YUKON_EC_U && hw->chip_rev >= 2) { |
| 953 | /* MAC Rx RAM Read is controlled by hardware */ |
| 954 | sky2_write32(hw, Q_ADDR(rxq, Q_F), F_M_RX_RAM_DIS); |
| 955 | } |
| 956 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 957 | sky2_prefetch_init(hw, rxq, sky2->rx_le_map, RX_LE_SIZE - 1); |
| 958 | |
| 959 | rx_set_checksum(sky2); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 960 | for (i = 0; i < sky2->rx_pending; i++) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 961 | struct ring_info *re = sky2->rx_ring + i; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 962 | |
Stephen Hemminger | 82788c7 | 2006-01-17 13:43:10 -0800 | [diff] [blame] | 963 | re->skb = sky2_alloc_skb(sky2->rx_bufsize, GFP_KERNEL); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 964 | if (!re->skb) |
| 965 | goto nomem; |
| 966 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 967 | re->mapaddr = pci_map_single(hw->pdev, re->skb->data, |
Stephen Hemminger | 734d186 | 2005-12-09 11:35:00 -0800 | [diff] [blame] | 968 | sky2->rx_bufsize, PCI_DMA_FROMDEVICE); |
| 969 | sky2_rx_add(sky2, re->mapaddr); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 970 | } |
| 971 | |
Stephen Hemminger | 70f1be4 | 2006-03-07 11:06:37 -0800 | [diff] [blame] | 972 | /* Truncate oversize frames */ |
| 973 | sky2_write16(hw, SK_REG(sky2->port, RX_GMF_TR_THR), sky2->rx_bufsize - 8); |
| 974 | sky2_write32(hw, SK_REG(sky2->port, RX_GMF_CTRL_T), RX_TRUNC_ON); |
| 975 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 976 | /* Tell chip about available buffers */ |
| 977 | sky2_write16(hw, Y2_QADDR(rxq, PREF_UNIT_PUT_IDX), sky2->rx_put); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 978 | return 0; |
| 979 | nomem: |
| 980 | sky2_rx_clean(sky2); |
| 981 | return -ENOMEM; |
| 982 | } |
| 983 | |
| 984 | /* Bring up network interface. */ |
| 985 | static int sky2_up(struct net_device *dev) |
| 986 | { |
| 987 | struct sky2_port *sky2 = netdev_priv(dev); |
| 988 | struct sky2_hw *hw = sky2->hw; |
| 989 | unsigned port = sky2->port; |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 990 | u32 ramsize, rxspace, imask; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 991 | int err = -ENOMEM; |
| 992 | |
| 993 | if (netif_msg_ifup(sky2)) |
| 994 | printk(KERN_INFO PFX "%s: enabling interface\n", dev->name); |
| 995 | |
| 996 | /* must be power of 2 */ |
| 997 | sky2->tx_le = pci_alloc_consistent(hw->pdev, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 998 | TX_RING_SIZE * |
| 999 | sizeof(struct sky2_tx_le), |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1000 | &sky2->tx_le_map); |
| 1001 | if (!sky2->tx_le) |
| 1002 | goto err_out; |
| 1003 | |
Stephen Hemminger | 6cdbbdf | 2005-12-09 11:35:01 -0800 | [diff] [blame] | 1004 | sky2->tx_ring = kcalloc(TX_RING_SIZE, sizeof(struct tx_ring_info), |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1005 | GFP_KERNEL); |
| 1006 | if (!sky2->tx_ring) |
| 1007 | goto err_out; |
| 1008 | sky2->tx_prod = sky2->tx_cons = 0; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1009 | |
| 1010 | sky2->rx_le = pci_alloc_consistent(hw->pdev, RX_LE_BYTES, |
| 1011 | &sky2->rx_le_map); |
| 1012 | if (!sky2->rx_le) |
| 1013 | goto err_out; |
| 1014 | memset(sky2->rx_le, 0, RX_LE_BYTES); |
| 1015 | |
Stephen Hemminger | 6cdbbdf | 2005-12-09 11:35:01 -0800 | [diff] [blame] | 1016 | sky2->rx_ring = kcalloc(sky2->rx_pending, sizeof(struct ring_info), |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1017 | GFP_KERNEL); |
| 1018 | if (!sky2->rx_ring) |
| 1019 | goto err_out; |
| 1020 | |
| 1021 | sky2_mac_init(hw, port); |
| 1022 | |
Stephen Hemminger | 1c28f6b | 2006-01-17 13:43:13 -0800 | [diff] [blame] | 1023 | /* Determine available ram buffer space (in 4K blocks). |
| 1024 | * Note: not sure about the FE setting below yet |
| 1025 | */ |
| 1026 | if (hw->chip_id == CHIP_ID_YUKON_FE) |
| 1027 | ramsize = 4; |
| 1028 | else |
| 1029 | ramsize = sky2_read8(hw, B2_E_0); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1030 | |
Stephen Hemminger | 1c28f6b | 2006-01-17 13:43:13 -0800 | [diff] [blame] | 1031 | /* Give transmitter one third (rounded up) */ |
| 1032 | rxspace = ramsize - (ramsize + 2) / 3; |
| 1033 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1034 | sky2_ramset(hw, rxqaddr[port], 0, rxspace); |
Stephen Hemminger | 1c28f6b | 2006-01-17 13:43:13 -0800 | [diff] [blame] | 1035 | sky2_ramset(hw, txqaddr[port], rxspace, ramsize); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1036 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1037 | /* Make sure SyncQ is disabled */ |
| 1038 | sky2_write8(hw, RB_ADDR(port == 0 ? Q_XS1 : Q_XS2, RB_CTRL), |
| 1039 | RB_RST_SET); |
| 1040 | |
shemminger@osdl.org | af4ed7e | 2005-11-30 11:45:21 -0800 | [diff] [blame] | 1041 | sky2_qset(hw, txqaddr[port]); |
shemminger@osdl.org | 5a5b1ea | 2005-11-30 11:45:15 -0800 | [diff] [blame] | 1042 | |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 1043 | /* Set almost empty threshold */ |
| 1044 | if (hw->chip_id == CHIP_ID_YUKON_EC_U && hw->chip_rev == 1) |
| 1045 | sky2_write16(hw, Q_ADDR(txqaddr[port], Q_AL), 0x1a0); |
shemminger@osdl.org | 5a5b1ea | 2005-11-30 11:45:15 -0800 | [diff] [blame] | 1046 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1047 | sky2_prefetch_init(hw, txqaddr[port], sky2->tx_le_map, |
| 1048 | TX_RING_SIZE - 1); |
| 1049 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1050 | err = sky2_rx_start(sky2); |
| 1051 | if (err) |
| 1052 | goto err_out; |
| 1053 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1054 | /* Enable interrupts from phy/mac for port */ |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1055 | imask = sky2_read32(hw, B0_IMSK); |
| 1056 | imask |= (port == 0) ? Y2_IS_PORT_1 : Y2_IS_PORT_2; |
| 1057 | sky2_write32(hw, B0_IMSK, imask); |
| 1058 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1059 | return 0; |
| 1060 | |
| 1061 | err_out: |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 1062 | if (sky2->rx_le) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1063 | pci_free_consistent(hw->pdev, RX_LE_BYTES, |
| 1064 | sky2->rx_le, sky2->rx_le_map); |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 1065 | sky2->rx_le = NULL; |
| 1066 | } |
| 1067 | if (sky2->tx_le) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1068 | pci_free_consistent(hw->pdev, |
| 1069 | TX_RING_SIZE * sizeof(struct sky2_tx_le), |
| 1070 | sky2->tx_le, sky2->tx_le_map); |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 1071 | sky2->tx_le = NULL; |
| 1072 | } |
| 1073 | kfree(sky2->tx_ring); |
| 1074 | kfree(sky2->rx_ring); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1075 | |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 1076 | sky2->tx_ring = NULL; |
| 1077 | sky2->rx_ring = NULL; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1078 | return err; |
| 1079 | } |
| 1080 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1081 | /* Modular subtraction in ring */ |
| 1082 | static inline int tx_dist(unsigned tail, unsigned head) |
| 1083 | { |
Stephen Hemminger | 129372d | 2005-12-09 11:34:59 -0800 | [diff] [blame] | 1084 | return (head - tail) % TX_RING_SIZE; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1085 | } |
| 1086 | |
| 1087 | /* Number of list elements available for next tx */ |
| 1088 | static inline int tx_avail(const struct sky2_port *sky2) |
| 1089 | { |
| 1090 | return sky2->tx_pending - tx_dist(sky2->tx_cons, sky2->tx_prod); |
| 1091 | } |
| 1092 | |
| 1093 | /* Estimate of number of transmit list elements required */ |
Stephen Hemminger | 28bd181 | 2006-01-17 13:43:19 -0800 | [diff] [blame] | 1094 | static unsigned tx_le_req(const struct sk_buff *skb) |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1095 | { |
| 1096 | unsigned count; |
| 1097 | |
| 1098 | count = sizeof(dma_addr_t) / sizeof(u32); |
| 1099 | count += skb_shinfo(skb)->nr_frags * count; |
| 1100 | |
| 1101 | if (skb_shinfo(skb)->tso_size) |
| 1102 | ++count; |
| 1103 | |
Stephen Hemminger | 0e3ff6a | 2005-12-09 11:35:02 -0800 | [diff] [blame] | 1104 | if (skb->ip_summed == CHECKSUM_HW) |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1105 | ++count; |
| 1106 | |
| 1107 | return count; |
| 1108 | } |
| 1109 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1110 | /* |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1111 | * Put one packet in ring for transmit. |
| 1112 | * A single packet can generate multiple list elements, and |
| 1113 | * the number of ring elements will probably be less than the number |
| 1114 | * of list elements used. |
Stephen Hemminger | f2e4656 | 2005-12-09 11:34:58 -0800 | [diff] [blame] | 1115 | * |
| 1116 | * No BH disabling for tx_lock here (like tg3) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1117 | */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1118 | static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev) |
| 1119 | { |
| 1120 | struct sky2_port *sky2 = netdev_priv(dev); |
| 1121 | struct sky2_hw *hw = sky2->hw; |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 1122 | struct sky2_tx_le *le = NULL; |
Stephen Hemminger | 6cdbbdf | 2005-12-09 11:35:01 -0800 | [diff] [blame] | 1123 | struct tx_ring_info *re; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1124 | unsigned i, len; |
Stephen Hemminger | b19666d | 2006-03-07 11:06:36 -0800 | [diff] [blame] | 1125 | int avail; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1126 | dma_addr_t mapping; |
| 1127 | u32 addr64; |
| 1128 | u16 mss; |
| 1129 | u8 ctrl; |
| 1130 | |
Stephen Hemminger | 302d125 | 2006-01-17 13:43:20 -0800 | [diff] [blame] | 1131 | /* No BH disabling for tx_lock here. We are running in BH disabled |
| 1132 | * context and TX reclaim runs via poll inside of a software |
| 1133 | * interrupt, and no related locks in IRQ processing. |
| 1134 | */ |
Stephen Hemminger | f2e4656 | 2005-12-09 11:34:58 -0800 | [diff] [blame] | 1135 | if (!spin_trylock(&sky2->tx_lock)) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1136 | return NETDEV_TX_LOCKED; |
| 1137 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1138 | if (unlikely(tx_avail(sky2) < tx_le_req(skb))) { |
Stephen Hemminger | 8c463ef | 2005-12-09 11:35:08 -0800 | [diff] [blame] | 1139 | /* There is a known but harmless race with lockless tx |
| 1140 | * and netif_stop_queue. |
| 1141 | */ |
| 1142 | if (!netif_queue_stopped(dev)) { |
| 1143 | netif_stop_queue(dev); |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 1144 | if (net_ratelimit()) |
| 1145 | printk(KERN_WARNING PFX "%s: ring full when queue awake!\n", |
| 1146 | dev->name); |
Stephen Hemminger | 8c463ef | 2005-12-09 11:35:08 -0800 | [diff] [blame] | 1147 | } |
Stephen Hemminger | f2e4656 | 2005-12-09 11:34:58 -0800 | [diff] [blame] | 1148 | spin_unlock(&sky2->tx_lock); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1149 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1150 | return NETDEV_TX_BUSY; |
| 1151 | } |
| 1152 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1153 | if (unlikely(netif_msg_tx_queued(sky2))) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1154 | printk(KERN_DEBUG "%s: tx queued, slot %u, len %d\n", |
| 1155 | dev->name, sky2->tx_prod, skb->len); |
| 1156 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1157 | len = skb_headlen(skb); |
| 1158 | mapping = pci_map_single(hw->pdev, skb->data, len, PCI_DMA_TODEVICE); |
shemminger@osdl.org | a018e33 | 2005-11-30 11:45:16 -0800 | [diff] [blame] | 1159 | addr64 = high32(mapping); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1160 | |
| 1161 | re = sky2->tx_ring + sky2->tx_prod; |
| 1162 | |
shemminger@osdl.org | a018e33 | 2005-11-30 11:45:16 -0800 | [diff] [blame] | 1163 | /* Send high bits if changed or crosses boundary */ |
| 1164 | if (addr64 != sky2->tx_addr64 || high32(mapping + len) != sky2->tx_addr64) { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1165 | le = get_tx_le(sky2); |
| 1166 | le->tx.addr = cpu_to_le32(addr64); |
| 1167 | le->ctrl = 0; |
| 1168 | le->opcode = OP_ADDR64 | HW_OWNER; |
shemminger@osdl.org | a018e33 | 2005-11-30 11:45:16 -0800 | [diff] [blame] | 1169 | sky2->tx_addr64 = high32(mapping + len); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1170 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1171 | |
| 1172 | /* Check for TCP Segmentation Offload */ |
| 1173 | mss = skb_shinfo(skb)->tso_size; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1174 | if (mss != 0) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1175 | /* just drop the packet if non-linear expansion fails */ |
| 1176 | if (skb_header_cloned(skb) && |
| 1177 | pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1178 | dev_kfree_skb_any(skb); |
| 1179 | goto out_unlock; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1180 | } |
| 1181 | |
| 1182 | mss += ((skb->h.th->doff - 5) * 4); /* TCP options */ |
| 1183 | mss += (skb->nh.iph->ihl * 4) + sizeof(struct tcphdr); |
| 1184 | mss += ETH_HLEN; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1185 | } |
| 1186 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1187 | if (mss != sky2->tx_last_mss) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1188 | le = get_tx_le(sky2); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1189 | le->tx.tso.size = cpu_to_le16(mss); |
| 1190 | le->tx.tso.rsvd = 0; |
| 1191 | le->opcode = OP_LRGLEN | HW_OWNER; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1192 | le->ctrl = 0; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1193 | sky2->tx_last_mss = mss; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1194 | } |
| 1195 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1196 | ctrl = 0; |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 1197 | #ifdef SKY2_VLAN_TAG_USED |
| 1198 | /* Add VLAN tag, can piggyback on LRGLEN or ADDR64 */ |
| 1199 | if (sky2->vlgrp && vlan_tx_tag_present(skb)) { |
| 1200 | if (!le) { |
| 1201 | le = get_tx_le(sky2); |
| 1202 | le->tx.addr = 0; |
| 1203 | le->opcode = OP_VLAN|HW_OWNER; |
| 1204 | le->ctrl = 0; |
| 1205 | } else |
| 1206 | le->opcode |= OP_VLAN; |
| 1207 | le->length = cpu_to_be16(vlan_tx_tag_get(skb)); |
| 1208 | ctrl |= INS_VLAN; |
| 1209 | } |
| 1210 | #endif |
| 1211 | |
| 1212 | /* Handle TCP checksum offload */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1213 | if (skb->ip_summed == CHECKSUM_HW) { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1214 | u16 hdr = skb->h.raw - skb->data; |
| 1215 | u16 offset = hdr + skb->csum; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1216 | |
| 1217 | ctrl = CALSUM | WR_SUM | INIT_SUM | LOCK_SUM; |
| 1218 | if (skb->nh.iph->protocol == IPPROTO_UDP) |
| 1219 | ctrl |= UDPTCP; |
| 1220 | |
| 1221 | le = get_tx_le(sky2); |
| 1222 | le->tx.csum.start = cpu_to_le16(hdr); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1223 | le->tx.csum.offset = cpu_to_le16(offset); |
| 1224 | le->length = 0; /* initial checksum value */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1225 | le->ctrl = 1; /* one packet */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1226 | le->opcode = OP_TCPLISW | HW_OWNER; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1227 | } |
| 1228 | |
| 1229 | le = get_tx_le(sky2); |
| 1230 | le->tx.addr = cpu_to_le32((u32) mapping); |
| 1231 | le->length = cpu_to_le16(len); |
| 1232 | le->ctrl = ctrl; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1233 | le->opcode = mss ? (OP_LARGESEND | HW_OWNER) : (OP_PACKET | HW_OWNER); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1234 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1235 | /* Record the transmit mapping info */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1236 | re->skb = skb; |
Stephen Hemminger | 6cdbbdf | 2005-12-09 11:35:01 -0800 | [diff] [blame] | 1237 | pci_unmap_addr_set(re, mapaddr, mapping); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1238 | |
| 1239 | for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { |
| 1240 | skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; |
Stephen Hemminger | 6cdbbdf | 2005-12-09 11:35:01 -0800 | [diff] [blame] | 1241 | struct tx_ring_info *fre; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1242 | |
| 1243 | mapping = pci_map_page(hw->pdev, frag->page, frag->page_offset, |
| 1244 | frag->size, PCI_DMA_TODEVICE); |
Stephen Hemminger | a036119 | 2006-01-17 13:43:16 -0800 | [diff] [blame] | 1245 | addr64 = high32(mapping); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1246 | if (addr64 != sky2->tx_addr64) { |
| 1247 | le = get_tx_le(sky2); |
| 1248 | le->tx.addr = cpu_to_le32(addr64); |
| 1249 | le->ctrl = 0; |
| 1250 | le->opcode = OP_ADDR64 | HW_OWNER; |
| 1251 | sky2->tx_addr64 = addr64; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1252 | } |
| 1253 | |
| 1254 | le = get_tx_le(sky2); |
| 1255 | le->tx.addr = cpu_to_le32((u32) mapping); |
| 1256 | le->length = cpu_to_le16(frag->size); |
| 1257 | le->ctrl = ctrl; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1258 | le->opcode = OP_BUFFER | HW_OWNER; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1259 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1260 | fre = sky2->tx_ring |
| 1261 | + ((re - sky2->tx_ring) + i + 1) % TX_RING_SIZE; |
Stephen Hemminger | 6cdbbdf | 2005-12-09 11:35:01 -0800 | [diff] [blame] | 1262 | pci_unmap_addr_set(fre, mapaddr, mapping); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1263 | } |
Stephen Hemminger | 6cdbbdf | 2005-12-09 11:35:01 -0800 | [diff] [blame] | 1264 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1265 | re->idx = sky2->tx_prod; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1266 | le->ctrl |= EOP; |
| 1267 | |
Stephen Hemminger | b19666d | 2006-03-07 11:06:36 -0800 | [diff] [blame] | 1268 | avail = tx_avail(sky2); |
| 1269 | if (mss != 0 || avail < TX_MIN_PENDING) { |
| 1270 | le->ctrl |= FRC_STAT; |
| 1271 | if (avail <= MAX_SKB_TX_LE) |
| 1272 | netif_stop_queue(dev); |
| 1273 | } |
| 1274 | |
Stephen Hemminger | 290d4de | 2006-03-20 15:48:15 -0800 | [diff] [blame] | 1275 | sky2_put_idx(hw, txqaddr[sky2->port], sky2->tx_prod); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1276 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1277 | out_unlock: |
Stephen Hemminger | f2e4656 | 2005-12-09 11:34:58 -0800 | [diff] [blame] | 1278 | spin_unlock(&sky2->tx_lock); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1279 | |
| 1280 | dev->trans_start = jiffies; |
| 1281 | return NETDEV_TX_OK; |
| 1282 | } |
| 1283 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1284 | /* |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1285 | * Free ring elements from starting at tx_cons until "done" |
| 1286 | * |
| 1287 | * NB: the hardware will tell us about partial completion of multi-part |
shemminger@osdl.org | d571b69 | 2005-10-26 12:16:09 -0700 | [diff] [blame] | 1288 | * buffers; these are deferred until completion. |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1289 | */ |
shemminger@osdl.org | d11c13e | 2005-09-27 15:02:56 -0700 | [diff] [blame] | 1290 | static void sky2_tx_complete(struct sky2_port *sky2, u16 done) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1291 | { |
shemminger@osdl.org | d11c13e | 2005-09-27 15:02:56 -0700 | [diff] [blame] | 1292 | struct net_device *dev = sky2->netdev; |
Stephen Hemminger | af2a58a | 2005-12-09 11:35:04 -0800 | [diff] [blame] | 1293 | struct pci_dev *pdev = sky2->hw->pdev; |
| 1294 | u16 nxt, put; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1295 | unsigned i; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1296 | |
Stephen Hemminger | 0e3ff6a | 2005-12-09 11:35:02 -0800 | [diff] [blame] | 1297 | BUG_ON(done >= TX_RING_SIZE); |
shemminger@osdl.org | 2224795 | 2005-11-30 11:45:19 -0800 | [diff] [blame] | 1298 | |
shemminger@osdl.org | d11c13e | 2005-09-27 15:02:56 -0700 | [diff] [blame] | 1299 | if (unlikely(netif_msg_tx_done(sky2))) |
shemminger@osdl.org | d571b69 | 2005-10-26 12:16:09 -0700 | [diff] [blame] | 1300 | printk(KERN_DEBUG "%s: tx done, up to %u\n", |
shemminger@osdl.org | d11c13e | 2005-09-27 15:02:56 -0700 | [diff] [blame] | 1301 | dev->name, done); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1302 | |
Stephen Hemminger | af2a58a | 2005-12-09 11:35:04 -0800 | [diff] [blame] | 1303 | for (put = sky2->tx_cons; put != done; put = nxt) { |
| 1304 | struct tx_ring_info *re = sky2->tx_ring + put; |
| 1305 | struct sk_buff *skb = re->skb; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1306 | |
Stephen Hemminger | d89e134 | 2006-03-20 15:48:20 -0800 | [diff] [blame] | 1307 | nxt = re->idx; |
Stephen Hemminger | af2a58a | 2005-12-09 11:35:04 -0800 | [diff] [blame] | 1308 | BUG_ON(nxt >= TX_RING_SIZE); |
Stephen Hemminger | d70cd51 | 2005-12-09 11:35:09 -0800 | [diff] [blame] | 1309 | prefetch(sky2->tx_ring + nxt); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1310 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1311 | /* Check for partial status */ |
Stephen Hemminger | af2a58a | 2005-12-09 11:35:04 -0800 | [diff] [blame] | 1312 | if (tx_dist(put, done) < tx_dist(put, nxt)) |
| 1313 | break; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1314 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1315 | skb = re->skb; |
Stephen Hemminger | af2a58a | 2005-12-09 11:35:04 -0800 | [diff] [blame] | 1316 | pci_unmap_single(pdev, pci_unmap_addr(re, mapaddr), |
Stephen Hemminger | 734d186 | 2005-12-09 11:35:00 -0800 | [diff] [blame] | 1317 | skb_headlen(skb), PCI_DMA_TODEVICE); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1318 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1319 | for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { |
Stephen Hemminger | 6cdbbdf | 2005-12-09 11:35:01 -0800 | [diff] [blame] | 1320 | struct tx_ring_info *fre; |
Stephen Hemminger | af2a58a | 2005-12-09 11:35:04 -0800 | [diff] [blame] | 1321 | fre = sky2->tx_ring + (put + i + 1) % TX_RING_SIZE; |
| 1322 | pci_unmap_page(pdev, pci_unmap_addr(fre, mapaddr), |
Stephen Hemminger | d89e134 | 2006-03-20 15:48:20 -0800 | [diff] [blame] | 1323 | skb_shinfo(skb)->frags[i].size, |
Stephen Hemminger | 734d186 | 2005-12-09 11:35:00 -0800 | [diff] [blame] | 1324 | PCI_DMA_TODEVICE); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1325 | } |
| 1326 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1327 | dev_kfree_skb_any(skb); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1328 | } |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1329 | |
Stephen Hemminger | af2a58a | 2005-12-09 11:35:04 -0800 | [diff] [blame] | 1330 | sky2->tx_cons = put; |
Stephen Hemminger | 8f24664 | 2006-03-20 15:48:21 -0800 | [diff] [blame] | 1331 | if (tx_avail(sky2) > MAX_SKB_TX_LE) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1332 | netif_wake_queue(dev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1333 | } |
| 1334 | |
| 1335 | /* Cleanup all untransmitted buffers, assume transmitter not running */ |
Stephen Hemminger | 13b97b7 | 2005-12-09 11:35:03 -0800 | [diff] [blame] | 1336 | static void sky2_tx_clean(struct sky2_port *sky2) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1337 | { |
Stephen Hemminger | 302d125 | 2006-01-17 13:43:20 -0800 | [diff] [blame] | 1338 | spin_lock_bh(&sky2->tx_lock); |
shemminger@osdl.org | d11c13e | 2005-09-27 15:02:56 -0700 | [diff] [blame] | 1339 | sky2_tx_complete(sky2, sky2->tx_prod); |
Stephen Hemminger | 302d125 | 2006-01-17 13:43:20 -0800 | [diff] [blame] | 1340 | spin_unlock_bh(&sky2->tx_lock); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1341 | } |
| 1342 | |
| 1343 | /* Network shutdown */ |
| 1344 | static int sky2_down(struct net_device *dev) |
| 1345 | { |
| 1346 | struct sky2_port *sky2 = netdev_priv(dev); |
| 1347 | struct sky2_hw *hw = sky2->hw; |
| 1348 | unsigned port = sky2->port; |
| 1349 | u16 ctrl; |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1350 | u32 imask; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1351 | |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 1352 | /* Never really got started! */ |
| 1353 | if (!sky2->tx_le) |
| 1354 | return 0; |
| 1355 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1356 | if (netif_msg_ifdown(sky2)) |
| 1357 | printk(KERN_INFO PFX "%s: disabling interface\n", dev->name); |
| 1358 | |
shemminger@osdl.org | 018d1c6 | 2005-11-30 11:45:18 -0800 | [diff] [blame] | 1359 | /* Stop more packets from being queued */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1360 | netif_stop_queue(dev); |
| 1361 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1362 | sky2_phy_reset(hw, port); |
| 1363 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1364 | /* Stop transmitter */ |
| 1365 | sky2_write32(hw, Q_ADDR(txqaddr[port], Q_CSR), BMU_STOP); |
| 1366 | sky2_read32(hw, Q_ADDR(txqaddr[port], Q_CSR)); |
| 1367 | |
| 1368 | sky2_write32(hw, RB_ADDR(txqaddr[port], RB_CTRL), |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1369 | RB_RST_SET | RB_DIS_OP_MD); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1370 | |
| 1371 | ctrl = gma_read16(hw, port, GM_GP_CTRL); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1372 | ctrl &= ~(GM_GPCR_TX_ENA | GM_GPCR_RX_ENA); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1373 | gma_write16(hw, port, GM_GP_CTRL, ctrl); |
| 1374 | |
| 1375 | sky2_write8(hw, SK_REG(port, GPHY_CTRL), GPC_RST_SET); |
| 1376 | |
| 1377 | /* Workaround shared GMAC reset */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1378 | if (!(hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev == 0 |
| 1379 | && port == 0 && hw->dev[1] && netif_running(hw->dev[1]))) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1380 | sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_RST_SET); |
| 1381 | |
| 1382 | /* Disable Force Sync bit and Enable Alloc bit */ |
| 1383 | sky2_write8(hw, SK_REG(port, TXA_CTRL), |
| 1384 | TXA_DIS_FSYNC | TXA_DIS_ALLOC | TXA_STOP_RC); |
| 1385 | |
| 1386 | /* Stop Interval Timer and Limit Counter of Tx Arbiter */ |
| 1387 | sky2_write32(hw, SK_REG(port, TXA_ITI_INI), 0L); |
| 1388 | sky2_write32(hw, SK_REG(port, TXA_LIM_INI), 0L); |
| 1389 | |
| 1390 | /* Reset the PCI FIFO of the async Tx queue */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1391 | sky2_write32(hw, Q_ADDR(txqaddr[port], Q_CSR), |
| 1392 | BMU_RST_SET | BMU_FIFO_RST); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1393 | |
| 1394 | /* Reset the Tx prefetch units */ |
| 1395 | sky2_write32(hw, Y2_QADDR(txqaddr[port], PREF_UNIT_CTRL), |
| 1396 | PREF_UNIT_RST_SET); |
| 1397 | |
| 1398 | sky2_write32(hw, RB_ADDR(txqaddr[port], RB_CTRL), RB_RST_SET); |
| 1399 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1400 | sky2_rx_stop(sky2); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1401 | |
| 1402 | sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_RST_SET); |
| 1403 | sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_RST_SET); |
| 1404 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1405 | /* Disable port IRQ */ |
| 1406 | imask = sky2_read32(hw, B0_IMSK); |
| 1407 | imask &= ~(sky2->port == 0) ? Y2_IS_PORT_1 : Y2_IS_PORT_2; |
| 1408 | sky2_write32(hw, B0_IMSK, imask); |
| 1409 | |
shemminger@osdl.org | d571b69 | 2005-10-26 12:16:09 -0700 | [diff] [blame] | 1410 | /* turn off LED's */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1411 | sky2_write16(hw, B0_Y2LED, LED_STAT_OFF); |
| 1412 | |
shemminger@osdl.org | 018d1c6 | 2005-11-30 11:45:18 -0800 | [diff] [blame] | 1413 | synchronize_irq(hw->pdev->irq); |
| 1414 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1415 | sky2_tx_clean(sky2); |
| 1416 | sky2_rx_clean(sky2); |
| 1417 | |
| 1418 | pci_free_consistent(hw->pdev, RX_LE_BYTES, |
| 1419 | sky2->rx_le, sky2->rx_le_map); |
| 1420 | kfree(sky2->rx_ring); |
| 1421 | |
| 1422 | pci_free_consistent(hw->pdev, |
| 1423 | TX_RING_SIZE * sizeof(struct sky2_tx_le), |
| 1424 | sky2->tx_le, sky2->tx_le_map); |
| 1425 | kfree(sky2->tx_ring); |
| 1426 | |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 1427 | sky2->tx_le = NULL; |
| 1428 | sky2->rx_le = NULL; |
| 1429 | |
| 1430 | sky2->rx_ring = NULL; |
| 1431 | sky2->tx_ring = NULL; |
| 1432 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1433 | return 0; |
| 1434 | } |
| 1435 | |
| 1436 | static u16 sky2_phy_speed(const struct sky2_hw *hw, u16 aux) |
| 1437 | { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1438 | if (!hw->copper) |
| 1439 | return SPEED_1000; |
| 1440 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1441 | if (hw->chip_id == CHIP_ID_YUKON_FE) |
| 1442 | return (aux & PHY_M_PS_SPEED_100) ? SPEED_100 : SPEED_10; |
| 1443 | |
| 1444 | switch (aux & PHY_M_PS_SPEED_MSK) { |
| 1445 | case PHY_M_PS_SPEED_1000: |
| 1446 | return SPEED_1000; |
| 1447 | case PHY_M_PS_SPEED_100: |
| 1448 | return SPEED_100; |
| 1449 | default: |
| 1450 | return SPEED_10; |
| 1451 | } |
| 1452 | } |
| 1453 | |
| 1454 | static void sky2_link_up(struct sky2_port *sky2) |
| 1455 | { |
| 1456 | struct sky2_hw *hw = sky2->hw; |
| 1457 | unsigned port = sky2->port; |
| 1458 | u16 reg; |
| 1459 | |
| 1460 | /* Enable Transmit FIFO Underrun */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1461 | sky2_write8(hw, SK_REG(port, GMAC_IRQ_MSK), GMAC_DEF_MSK); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1462 | |
| 1463 | reg = gma_read16(hw, port, GM_GP_CTRL); |
Stephen Hemminger | 6f4c56b | 2006-02-10 15:58:59 -0800 | [diff] [blame] | 1464 | if (sky2->autoneg == AUTONEG_DISABLE) { |
| 1465 | reg |= GM_GPCR_AU_ALL_DIS; |
| 1466 | |
| 1467 | /* Is write/read necessary? Copied from sky2_mac_init */ |
| 1468 | gma_write16(hw, port, GM_GP_CTRL, reg); |
| 1469 | gma_read16(hw, port, GM_GP_CTRL); |
| 1470 | |
| 1471 | switch (sky2->speed) { |
| 1472 | case SPEED_1000: |
| 1473 | reg &= ~GM_GPCR_SPEED_100; |
| 1474 | reg |= GM_GPCR_SPEED_1000; |
| 1475 | break; |
| 1476 | case SPEED_100: |
| 1477 | reg &= ~GM_GPCR_SPEED_1000; |
| 1478 | reg |= GM_GPCR_SPEED_100; |
| 1479 | break; |
| 1480 | case SPEED_10: |
| 1481 | reg &= ~(GM_GPCR_SPEED_1000 | GM_GPCR_SPEED_100); |
| 1482 | break; |
| 1483 | } |
| 1484 | } else |
| 1485 | reg &= ~GM_GPCR_AU_ALL_DIS; |
| 1486 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1487 | if (sky2->duplex == DUPLEX_FULL || sky2->autoneg == AUTONEG_ENABLE) |
| 1488 | reg |= GM_GPCR_DUP_FULL; |
| 1489 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1490 | /* enable Rx/Tx */ |
| 1491 | reg |= GM_GPCR_RX_ENA | GM_GPCR_TX_ENA; |
| 1492 | gma_write16(hw, port, GM_GP_CTRL, reg); |
| 1493 | gma_read16(hw, port, GM_GP_CTRL); |
| 1494 | |
| 1495 | gm_phy_write(hw, port, PHY_MARV_INT_MASK, PHY_M_DEF_MSK); |
| 1496 | |
| 1497 | netif_carrier_on(sky2->netdev); |
| 1498 | netif_wake_queue(sky2->netdev); |
| 1499 | |
| 1500 | /* Turn on link LED */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1501 | sky2_write8(hw, SK_REG(port, LNK_LED_REG), |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1502 | LINKLED_ON | LINKLED_BLINK_OFF | LINKLED_LINKSYNC_OFF); |
| 1503 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1504 | if (hw->chip_id == CHIP_ID_YUKON_XL) { |
| 1505 | u16 pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); |
| 1506 | |
| 1507 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 3); |
| 1508 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, PHY_M_LEDC_LOS_CTRL(1) | /* LINK/ACT */ |
| 1509 | PHY_M_LEDC_INIT_CTRL(sky2->speed == |
| 1510 | SPEED_10 ? 7 : 0) | |
| 1511 | PHY_M_LEDC_STA1_CTRL(sky2->speed == |
| 1512 | SPEED_100 ? 7 : 0) | |
| 1513 | PHY_M_LEDC_STA0_CTRL(sky2->speed == |
| 1514 | SPEED_1000 ? 7 : 0)); |
| 1515 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg); |
| 1516 | } |
| 1517 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1518 | if (netif_msg_link(sky2)) |
| 1519 | printk(KERN_INFO PFX |
shemminger@osdl.org | d571b69 | 2005-10-26 12:16:09 -0700 | [diff] [blame] | 1520 | "%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] | 1521 | sky2->netdev->name, sky2->speed, |
| 1522 | sky2->duplex == DUPLEX_FULL ? "full" : "half", |
| 1523 | (sky2->tx_pause && sky2->rx_pause) ? "both" : |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1524 | sky2->tx_pause ? "tx" : sky2->rx_pause ? "rx" : "none"); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1525 | } |
| 1526 | |
| 1527 | static void sky2_link_down(struct sky2_port *sky2) |
| 1528 | { |
| 1529 | struct sky2_hw *hw = sky2->hw; |
| 1530 | unsigned port = sky2->port; |
| 1531 | u16 reg; |
| 1532 | |
| 1533 | gm_phy_write(hw, port, PHY_MARV_INT_MASK, 0); |
| 1534 | |
| 1535 | reg = gma_read16(hw, port, GM_GP_CTRL); |
| 1536 | reg &= ~(GM_GPCR_RX_ENA | GM_GPCR_TX_ENA); |
| 1537 | gma_write16(hw, port, GM_GP_CTRL, reg); |
| 1538 | gma_read16(hw, port, GM_GP_CTRL); /* PCI post */ |
| 1539 | |
| 1540 | if (sky2->rx_pause && !sky2->tx_pause) { |
| 1541 | /* restore Asymmetric Pause bit */ |
| 1542 | gm_phy_write(hw, port, PHY_MARV_AUNE_ADV, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1543 | gm_phy_read(hw, port, PHY_MARV_AUNE_ADV) |
| 1544 | | PHY_M_AN_ASP); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1545 | } |
| 1546 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1547 | netif_carrier_off(sky2->netdev); |
| 1548 | netif_stop_queue(sky2->netdev); |
| 1549 | |
| 1550 | /* Turn on link LED */ |
| 1551 | sky2_write8(hw, SK_REG(port, LNK_LED_REG), LINKLED_OFF); |
| 1552 | |
| 1553 | if (netif_msg_link(sky2)) |
| 1554 | printk(KERN_INFO PFX "%s: Link is down.\n", sky2->netdev->name); |
| 1555 | sky2_phy_init(hw, port); |
| 1556 | } |
| 1557 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1558 | static int sky2_autoneg_done(struct sky2_port *sky2, u16 aux) |
| 1559 | { |
| 1560 | struct sky2_hw *hw = sky2->hw; |
| 1561 | unsigned port = sky2->port; |
| 1562 | u16 lpa; |
| 1563 | |
| 1564 | lpa = gm_phy_read(hw, port, PHY_MARV_AUNE_LP); |
| 1565 | |
| 1566 | if (lpa & PHY_M_AN_RF) { |
| 1567 | printk(KERN_ERR PFX "%s: remote fault", sky2->netdev->name); |
| 1568 | return -1; |
| 1569 | } |
| 1570 | |
| 1571 | if (hw->chip_id != CHIP_ID_YUKON_FE && |
| 1572 | gm_phy_read(hw, port, PHY_MARV_1000T_STAT) & PHY_B_1000S_MSF) { |
| 1573 | printk(KERN_ERR PFX "%s: master/slave fault", |
| 1574 | sky2->netdev->name); |
| 1575 | return -1; |
| 1576 | } |
| 1577 | |
| 1578 | if (!(aux & PHY_M_PS_SPDUP_RES)) { |
| 1579 | printk(KERN_ERR PFX "%s: speed/duplex mismatch", |
| 1580 | sky2->netdev->name); |
| 1581 | return -1; |
| 1582 | } |
| 1583 | |
| 1584 | sky2->duplex = (aux & PHY_M_PS_FULL_DUP) ? DUPLEX_FULL : DUPLEX_HALF; |
| 1585 | |
| 1586 | sky2->speed = sky2_phy_speed(hw, aux); |
| 1587 | |
| 1588 | /* Pause bits are offset (9..8) */ |
| 1589 | if (hw->chip_id == CHIP_ID_YUKON_XL) |
| 1590 | aux >>= 6; |
| 1591 | |
| 1592 | sky2->rx_pause = (aux & PHY_M_PS_RX_P_EN) != 0; |
| 1593 | sky2->tx_pause = (aux & PHY_M_PS_TX_P_EN) != 0; |
| 1594 | |
| 1595 | if ((sky2->tx_pause || sky2->rx_pause) |
| 1596 | && !(sky2->speed < SPEED_1000 && sky2->duplex == DUPLEX_HALF)) |
| 1597 | sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_PAUSE_ON); |
| 1598 | else |
| 1599 | sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_PAUSE_OFF); |
| 1600 | |
| 1601 | return 0; |
| 1602 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1603 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1604 | /* Interrupt from PHY */ |
| 1605 | static void sky2_phy_intr(struct sky2_hw *hw, unsigned port) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1606 | { |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1607 | struct net_device *dev = hw->dev[port]; |
| 1608 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1609 | u16 istatus, phystat; |
| 1610 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1611 | spin_lock(&sky2->phy_lock); |
| 1612 | istatus = gm_phy_read(hw, port, PHY_MARV_INT_STAT); |
| 1613 | phystat = gm_phy_read(hw, port, PHY_MARV_PHY_STAT); |
| 1614 | |
| 1615 | if (!netif_running(dev)) |
| 1616 | goto out; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1617 | |
| 1618 | if (netif_msg_intr(sky2)) |
| 1619 | printk(KERN_INFO PFX "%s: phy interrupt status 0x%x 0x%x\n", |
| 1620 | sky2->netdev->name, istatus, phystat); |
| 1621 | |
| 1622 | if (istatus & PHY_M_IS_AN_COMPL) { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1623 | if (sky2_autoneg_done(sky2, phystat) == 0) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1624 | sky2_link_up(sky2); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1625 | goto out; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1626 | } |
| 1627 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1628 | if (istatus & PHY_M_IS_LSP_CHANGE) |
| 1629 | sky2->speed = sky2_phy_speed(hw, phystat); |
| 1630 | |
| 1631 | if (istatus & PHY_M_IS_DUP_CHANGE) |
| 1632 | sky2->duplex = |
| 1633 | (phystat & PHY_M_PS_FULL_DUP) ? DUPLEX_FULL : DUPLEX_HALF; |
| 1634 | |
| 1635 | if (istatus & PHY_M_IS_LST_CHANGE) { |
| 1636 | if (phystat & PHY_M_PS_LINK_UP) |
| 1637 | sky2_link_up(sky2); |
| 1638 | else |
| 1639 | sky2_link_down(sky2); |
| 1640 | } |
| 1641 | out: |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1642 | spin_unlock(&sky2->phy_lock); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1643 | } |
| 1644 | |
Stephen Hemminger | 302d125 | 2006-01-17 13:43:20 -0800 | [diff] [blame] | 1645 | |
| 1646 | /* Transmit timeout is only called if we are running, carries is up |
| 1647 | * and tx queue is full (stopped). |
| 1648 | */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1649 | static void sky2_tx_timeout(struct net_device *dev) |
| 1650 | { |
| 1651 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | 8cc048e | 2005-12-09 11:35:07 -0800 | [diff] [blame] | 1652 | struct sky2_hw *hw = sky2->hw; |
| 1653 | unsigned txq = txqaddr[sky2->port]; |
Stephen Hemminger | 8f24664 | 2006-03-20 15:48:21 -0800 | [diff] [blame] | 1654 | u16 report, done; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1655 | |
| 1656 | if (netif_msg_timer(sky2)) |
| 1657 | printk(KERN_ERR PFX "%s: tx timeout\n", dev->name); |
| 1658 | |
Stephen Hemminger | 8f24664 | 2006-03-20 15:48:21 -0800 | [diff] [blame] | 1659 | report = sky2_read16(hw, sky2->port == 0 ? STAT_TXA1_RIDX : STAT_TXA2_RIDX); |
| 1660 | done = sky2_read16(hw, Q_ADDR(txq, Q_DONE)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1661 | |
Stephen Hemminger | 8f24664 | 2006-03-20 15:48:21 -0800 | [diff] [blame] | 1662 | printk(KERN_DEBUG PFX "%s: transmit ring %u .. %u report=%u done=%u\n", |
| 1663 | dev->name, |
| 1664 | sky2->tx_cons, sky2->tx_prod, report, done); |
Stephen Hemminger | 8cc048e | 2005-12-09 11:35:07 -0800 | [diff] [blame] | 1665 | |
Stephen Hemminger | 8f24664 | 2006-03-20 15:48:21 -0800 | [diff] [blame] | 1666 | if (report != done) { |
| 1667 | printk(KERN_INFO PFX "status burst pending (irq moderation?)\n"); |
| 1668 | |
| 1669 | sky2_write8(hw, STAT_TX_TIMER_CTRL, TIM_STOP); |
| 1670 | sky2_write8(hw, STAT_TX_TIMER_CTRL, TIM_START); |
| 1671 | } else if (report != sky2->tx_cons) { |
| 1672 | printk(KERN_INFO PFX "status report lost?\n"); |
| 1673 | |
| 1674 | spin_lock_bh(&sky2->tx_lock); |
| 1675 | sky2_tx_complete(sky2, report); |
| 1676 | spin_unlock_bh(&sky2->tx_lock); |
| 1677 | } else { |
| 1678 | printk(KERN_INFO PFX "hardware hung? flushing\n"); |
| 1679 | |
| 1680 | sky2_write32(hw, Q_ADDR(txq, Q_CSR), BMU_STOP); |
| 1681 | sky2_write32(hw, Y2_QADDR(txq, PREF_UNIT_CTRL), PREF_UNIT_RST_SET); |
| 1682 | |
| 1683 | sky2_tx_clean(sky2); |
| 1684 | |
| 1685 | sky2_qset(hw, txq); |
| 1686 | sky2_prefetch_init(hw, txq, sky2->tx_le_map, TX_RING_SIZE - 1); |
| 1687 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1688 | } |
| 1689 | |
Stephen Hemminger | 734d186 | 2005-12-09 11:35:00 -0800 | [diff] [blame] | 1690 | |
| 1691 | #define roundup(x, y) ((((x)+((y)-1))/(y))*(y)) |
Stephen Hemminger | 70f1be4 | 2006-03-07 11:06:37 -0800 | [diff] [blame] | 1692 | /* Want receive buffer size to be multiple of 64 bits |
| 1693 | * and incl room for vlan and truncation |
| 1694 | */ |
Stephen Hemminger | 734d186 | 2005-12-09 11:35:00 -0800 | [diff] [blame] | 1695 | static inline unsigned sky2_buf_size(int mtu) |
| 1696 | { |
Stephen Hemminger | 70f1be4 | 2006-03-07 11:06:37 -0800 | [diff] [blame] | 1697 | return roundup(mtu + ETH_HLEN + VLAN_HLEN, 8) + 8; |
Stephen Hemminger | 734d186 | 2005-12-09 11:35:00 -0800 | [diff] [blame] | 1698 | } |
| 1699 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1700 | static int sky2_change_mtu(struct net_device *dev, int new_mtu) |
| 1701 | { |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1702 | struct sky2_port *sky2 = netdev_priv(dev); |
| 1703 | struct sky2_hw *hw = sky2->hw; |
| 1704 | int err; |
| 1705 | u16 ctl, mode; |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1706 | u32 imask; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1707 | |
| 1708 | if (new_mtu < ETH_ZLEN || new_mtu > ETH_JUMBO_MTU) |
| 1709 | return -EINVAL; |
| 1710 | |
shemminger@osdl.org | 5a5b1ea | 2005-11-30 11:45:15 -0800 | [diff] [blame] | 1711 | if (hw->chip_id == CHIP_ID_YUKON_EC_U && new_mtu > ETH_DATA_LEN) |
| 1712 | return -EINVAL; |
| 1713 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1714 | if (!netif_running(dev)) { |
| 1715 | dev->mtu = new_mtu; |
| 1716 | return 0; |
| 1717 | } |
| 1718 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1719 | imask = sky2_read32(hw, B0_IMSK); |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1720 | sky2_write32(hw, B0_IMSK, 0); |
| 1721 | |
shemminger@osdl.org | 018d1c6 | 2005-11-30 11:45:18 -0800 | [diff] [blame] | 1722 | dev->trans_start = jiffies; /* prevent tx timeout */ |
| 1723 | netif_stop_queue(dev); |
| 1724 | netif_poll_disable(hw->dev[0]); |
| 1725 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1726 | synchronize_irq(hw->pdev->irq); |
| 1727 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1728 | ctl = gma_read16(hw, sky2->port, GM_GP_CTRL); |
| 1729 | gma_write16(hw, sky2->port, GM_GP_CTRL, ctl & ~GM_GPCR_RX_ENA); |
| 1730 | sky2_rx_stop(sky2); |
| 1731 | sky2_rx_clean(sky2); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1732 | |
| 1733 | dev->mtu = new_mtu; |
Stephen Hemminger | 734d186 | 2005-12-09 11:35:00 -0800 | [diff] [blame] | 1734 | sky2->rx_bufsize = sky2_buf_size(new_mtu); |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1735 | mode = DATA_BLIND_VAL(DATA_BLIND_DEF) | |
| 1736 | GM_SMOD_VLAN_ENA | IPG_DATA_VAL(IPG_DATA_DEF); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1737 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1738 | if (dev->mtu > ETH_DATA_LEN) |
| 1739 | mode |= GM_SMOD_JUMBO_ENA; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1740 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1741 | gma_write16(hw, sky2->port, GM_SERIAL_MODE, mode); |
| 1742 | |
| 1743 | sky2_write8(hw, RB_ADDR(rxqaddr[sky2->port], RB_CTRL), RB_ENA_OP_MD); |
| 1744 | |
| 1745 | err = sky2_rx_start(sky2); |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1746 | sky2_write32(hw, B0_IMSK, imask); |
shemminger@osdl.org | 018d1c6 | 2005-11-30 11:45:18 -0800 | [diff] [blame] | 1747 | |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 1748 | if (err) |
| 1749 | dev_close(dev); |
| 1750 | else { |
| 1751 | gma_write16(hw, sky2->port, GM_GP_CTRL, ctl); |
| 1752 | |
| 1753 | netif_poll_enable(hw->dev[0]); |
| 1754 | netif_wake_queue(dev); |
| 1755 | } |
| 1756 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1757 | return err; |
| 1758 | } |
| 1759 | |
| 1760 | /* |
| 1761 | * Receive one packet. |
| 1762 | * For small packets or errors, just reuse existing skb. |
shemminger@osdl.org | d571b69 | 2005-10-26 12:16:09 -0700 | [diff] [blame] | 1763 | * For larger packets, get new buffer. |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1764 | */ |
shemminger@osdl.org | d11c13e | 2005-09-27 15:02:56 -0700 | [diff] [blame] | 1765 | static struct sk_buff *sky2_receive(struct sky2_port *sky2, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1766 | u16 length, u32 status) |
| 1767 | { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1768 | struct ring_info *re = sky2->rx_ring + sky2->rx_next; |
Stephen Hemminger | 79e57d3 | 2005-09-19 15:42:33 -0700 | [diff] [blame] | 1769 | struct sk_buff *skb = NULL; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1770 | |
| 1771 | if (unlikely(netif_msg_rx_status(sky2))) |
| 1772 | printk(KERN_DEBUG PFX "%s: rx slot %u status 0x%x len %d\n", |
shemminger@osdl.org | d11c13e | 2005-09-27 15:02:56 -0700 | [diff] [blame] | 1773 | sky2->netdev->name, sky2->rx_next, status, length); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1774 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1775 | sky2->rx_next = (sky2->rx_next + 1) % sky2->rx_pending; |
Stephen Hemminger | d70cd51 | 2005-12-09 11:35:09 -0800 | [diff] [blame] | 1776 | prefetch(sky2->rx_ring + sky2->rx_next); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1777 | |
shemminger@osdl.org | 42eeea0 | 2005-11-30 11:45:13 -0800 | [diff] [blame] | 1778 | if (status & GMR_FS_ANY_ERR) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1779 | goto error; |
| 1780 | |
shemminger@osdl.org | 42eeea0 | 2005-11-30 11:45:13 -0800 | [diff] [blame] | 1781 | if (!(status & GMR_FS_RX_OK)) |
| 1782 | goto resubmit; |
| 1783 | |
Stephen Hemminger | 70f1be4 | 2006-03-07 11:06:37 -0800 | [diff] [blame] | 1784 | if (length > sky2->netdev->mtu + ETH_HLEN) |
Stephen Hemminger | 6e15b71 | 2005-12-20 15:08:09 -0800 | [diff] [blame] | 1785 | goto oversize; |
| 1786 | |
Stephen Hemminger | bdb5c58 | 2005-12-09 11:34:55 -0800 | [diff] [blame] | 1787 | if (length < copybreak) { |
Stephen Hemminger | 79e57d3 | 2005-09-19 15:42:33 -0700 | [diff] [blame] | 1788 | skb = alloc_skb(length + 2, GFP_ATOMIC); |
| 1789 | if (!skb) |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1790 | goto resubmit; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1791 | |
Stephen Hemminger | 79e57d3 | 2005-09-19 15:42:33 -0700 | [diff] [blame] | 1792 | skb_reserve(skb, 2); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1793 | pci_dma_sync_single_for_cpu(sky2->hw->pdev, re->mapaddr, |
| 1794 | length, PCI_DMA_FROMDEVICE); |
Stephen Hemminger | 79e57d3 | 2005-09-19 15:42:33 -0700 | [diff] [blame] | 1795 | memcpy(skb->data, re->skb->data, length); |
shemminger@osdl.org | d11c13e | 2005-09-27 15:02:56 -0700 | [diff] [blame] | 1796 | skb->ip_summed = re->skb->ip_summed; |
| 1797 | skb->csum = re->skb->csum; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1798 | pci_dma_sync_single_for_device(sky2->hw->pdev, re->mapaddr, |
| 1799 | length, PCI_DMA_FROMDEVICE); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1800 | } else { |
Stephen Hemminger | 79e57d3 | 2005-09-19 15:42:33 -0700 | [diff] [blame] | 1801 | struct sk_buff *nskb; |
| 1802 | |
Stephen Hemminger | 82788c7 | 2006-01-17 13:43:10 -0800 | [diff] [blame] | 1803 | nskb = sky2_alloc_skb(sky2->rx_bufsize, GFP_ATOMIC); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1804 | if (!nskb) |
| 1805 | goto resubmit; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1806 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1807 | skb = re->skb; |
Stephen Hemminger | 79e57d3 | 2005-09-19 15:42:33 -0700 | [diff] [blame] | 1808 | re->skb = nskb; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1809 | pci_unmap_single(sky2->hw->pdev, re->mapaddr, |
Stephen Hemminger | 734d186 | 2005-12-09 11:35:00 -0800 | [diff] [blame] | 1810 | sky2->rx_bufsize, PCI_DMA_FROMDEVICE); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1811 | prefetch(skb->data); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1812 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1813 | re->mapaddr = pci_map_single(sky2->hw->pdev, nskb->data, |
Stephen Hemminger | 734d186 | 2005-12-09 11:35:00 -0800 | [diff] [blame] | 1814 | sky2->rx_bufsize, PCI_DMA_FROMDEVICE); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1815 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1816 | |
Stephen Hemminger | 79e57d3 | 2005-09-19 15:42:33 -0700 | [diff] [blame] | 1817 | skb_put(skb, length); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1818 | resubmit: |
shemminger@osdl.org | d11c13e | 2005-09-27 15:02:56 -0700 | [diff] [blame] | 1819 | re->skb->ip_summed = CHECKSUM_NONE; |
Stephen Hemminger | 734d186 | 2005-12-09 11:35:00 -0800 | [diff] [blame] | 1820 | sky2_rx_add(sky2, re->mapaddr); |
Stephen Hemminger | 79e57d3 | 2005-09-19 15:42:33 -0700 | [diff] [blame] | 1821 | |
shemminger@osdl.org | bea8610 | 2005-10-26 12:16:10 -0700 | [diff] [blame] | 1822 | /* Tell receiver about new buffers. */ |
Stephen Hemminger | 290d4de | 2006-03-20 15:48:15 -0800 | [diff] [blame] | 1823 | sky2_put_idx(sky2->hw, rxqaddr[sky2->port], sky2->rx_put); |
shemminger@osdl.org | bea8610 | 2005-10-26 12:16:10 -0700 | [diff] [blame] | 1824 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1825 | return skb; |
| 1826 | |
Stephen Hemminger | 6e15b71 | 2005-12-20 15:08:09 -0800 | [diff] [blame] | 1827 | oversize: |
| 1828 | ++sky2->net_stats.rx_over_errors; |
| 1829 | goto resubmit; |
| 1830 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1831 | error: |
Stephen Hemminger | 6e15b71 | 2005-12-20 15:08:09 -0800 | [diff] [blame] | 1832 | ++sky2->net_stats.rx_errors; |
| 1833 | |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 1834 | if (netif_msg_rx_err(sky2) && net_ratelimit()) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1835 | printk(KERN_INFO PFX "%s: rx error, status 0x%x length %d\n", |
| 1836 | sky2->netdev->name, status, length); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1837 | |
| 1838 | if (status & (GMR_FS_LONG_ERR | GMR_FS_UN_SIZE)) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1839 | sky2->net_stats.rx_length_errors++; |
| 1840 | if (status & GMR_FS_FRAGMENT) |
| 1841 | sky2->net_stats.rx_frame_errors++; |
| 1842 | if (status & GMR_FS_CRC_ERR) |
| 1843 | sky2->net_stats.rx_crc_errors++; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1844 | if (status & GMR_FS_RX_FF_OV) |
| 1845 | sky2->net_stats.rx_fifo_errors++; |
Stephen Hemminger | 79e57d3 | 2005-09-19 15:42:33 -0700 | [diff] [blame] | 1846 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1847 | goto resubmit; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1848 | } |
| 1849 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1850 | /* Transmit complete */ |
| 1851 | static inline void sky2_tx_done(struct net_device *dev, u16 last) |
Stephen Hemminger | 13b97b7 | 2005-12-09 11:35:03 -0800 | [diff] [blame] | 1852 | { |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1853 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | 302d125 | 2006-01-17 13:43:20 -0800 | [diff] [blame] | 1854 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1855 | if (netif_running(dev)) { |
| 1856 | spin_lock(&sky2->tx_lock); |
| 1857 | sky2_tx_complete(sky2, last); |
| 1858 | spin_unlock(&sky2->tx_lock); |
shemminger@osdl.org | 2224795 | 2005-11-30 11:45:19 -0800 | [diff] [blame] | 1859 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1860 | } |
| 1861 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1862 | /* Process status response ring */ |
| 1863 | static int sky2_status_intr(struct sky2_hw *hw, int to_do) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1864 | { |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1865 | int work_done = 0; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1866 | |
Stephen Hemminger | af2a58a | 2005-12-09 11:35:04 -0800 | [diff] [blame] | 1867 | rmb(); |
shemminger@osdl.org | bea8610 | 2005-10-26 12:16:10 -0700 | [diff] [blame] | 1868 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1869 | for(;;) { |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 1870 | struct sky2_status_le *le = hw->st_le + hw->st_idx; |
| 1871 | struct net_device *dev; |
shemminger@osdl.org | d11c13e | 2005-09-27 15:02:56 -0700 | [diff] [blame] | 1872 | struct sky2_port *sky2; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1873 | struct sk_buff *skb; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1874 | u32 status; |
| 1875 | u16 length; |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1876 | u8 link, opcode; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1877 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1878 | opcode = le->opcode; |
| 1879 | if (!opcode) |
| 1880 | break; |
| 1881 | opcode &= ~HW_OWNER; |
| 1882 | |
shemminger@osdl.org | bea8610 | 2005-10-26 12:16:10 -0700 | [diff] [blame] | 1883 | hw->st_idx = (hw->st_idx + 1) % STATUS_RING_SIZE; |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1884 | le->opcode = 0; |
shemminger@osdl.org | bea8610 | 2005-10-26 12:16:10 -0700 | [diff] [blame] | 1885 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1886 | link = le->link; |
| 1887 | BUG_ON(link >= 2); |
| 1888 | dev = hw->dev[link]; |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 1889 | |
| 1890 | sky2 = netdev_priv(dev); |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1891 | length = le->length; |
| 1892 | status = le->status; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1893 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1894 | switch (opcode) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1895 | case OP_RXSTAT: |
shemminger@osdl.org | d11c13e | 2005-09-27 15:02:56 -0700 | [diff] [blame] | 1896 | skb = sky2_receive(sky2, length, status); |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 1897 | if (!skb) |
| 1898 | break; |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 1899 | |
| 1900 | skb->dev = dev; |
| 1901 | skb->protocol = eth_type_trans(skb, dev); |
| 1902 | dev->last_rx = jiffies; |
| 1903 | |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 1904 | #ifdef SKY2_VLAN_TAG_USED |
| 1905 | if (sky2->vlgrp && (status & GMR_FS_VLAN)) { |
| 1906 | vlan_hwaccel_receive_skb(skb, |
| 1907 | sky2->vlgrp, |
| 1908 | be16_to_cpu(sky2->rx_tag)); |
| 1909 | } else |
| 1910 | #endif |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1911 | netif_receive_skb(skb); |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 1912 | |
| 1913 | if (++work_done >= to_do) |
| 1914 | goto exit_loop; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1915 | break; |
| 1916 | |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 1917 | #ifdef SKY2_VLAN_TAG_USED |
| 1918 | case OP_RXVLAN: |
| 1919 | sky2->rx_tag = length; |
| 1920 | break; |
| 1921 | |
| 1922 | case OP_RXCHKSVLAN: |
| 1923 | sky2->rx_tag = length; |
| 1924 | /* fall through */ |
| 1925 | #endif |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1926 | case OP_RXCHKS: |
shemminger@osdl.org | d11c13e | 2005-09-27 15:02:56 -0700 | [diff] [blame] | 1927 | skb = sky2->rx_ring[sky2->rx_next].skb; |
| 1928 | skb->ip_summed = CHECKSUM_HW; |
| 1929 | skb->csum = le16_to_cpu(status); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1930 | break; |
| 1931 | |
| 1932 | case OP_TXINDEXLE: |
Stephen Hemminger | 13b97b7 | 2005-12-09 11:35:03 -0800 | [diff] [blame] | 1933 | /* TX index reports status for both ports */ |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1934 | sky2_tx_done(hw->dev[0], status & 0xffff); |
| 1935 | if (hw->dev[1]) |
| 1936 | sky2_tx_done(hw->dev[1], |
| 1937 | ((status >> 24) & 0xff) |
| 1938 | | (u16)(length & 0xf) << 8); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1939 | break; |
| 1940 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1941 | default: |
| 1942 | if (net_ratelimit()) |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1943 | printk(KERN_WARNING PFX |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1944 | "unknown status opcode 0x%x\n", opcode); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1945 | break; |
| 1946 | } |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 1947 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1948 | |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 1949 | exit_loop: |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1950 | return work_done; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1951 | } |
| 1952 | |
| 1953 | static void sky2_hw_error(struct sky2_hw *hw, unsigned port, u32 status) |
| 1954 | { |
| 1955 | struct net_device *dev = hw->dev[port]; |
| 1956 | |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 1957 | if (net_ratelimit()) |
| 1958 | printk(KERN_INFO PFX "%s: hw error interrupt status 0x%x\n", |
| 1959 | dev->name, status); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1960 | |
| 1961 | if (status & Y2_IS_PAR_RD1) { |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 1962 | if (net_ratelimit()) |
| 1963 | printk(KERN_ERR PFX "%s: ram data read parity error\n", |
| 1964 | dev->name); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1965 | /* Clear IRQ */ |
| 1966 | sky2_write16(hw, RAM_BUFFER(port, B3_RI_CTRL), RI_CLR_RD_PERR); |
| 1967 | } |
| 1968 | |
| 1969 | if (status & Y2_IS_PAR_WR1) { |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 1970 | if (net_ratelimit()) |
| 1971 | printk(KERN_ERR PFX "%s: ram data write parity error\n", |
| 1972 | dev->name); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1973 | |
| 1974 | sky2_write16(hw, RAM_BUFFER(port, B3_RI_CTRL), RI_CLR_WR_PERR); |
| 1975 | } |
| 1976 | |
| 1977 | if (status & Y2_IS_PAR_MAC1) { |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 1978 | if (net_ratelimit()) |
| 1979 | printk(KERN_ERR PFX "%s: MAC parity error\n", dev->name); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1980 | sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_CLI_TX_PE); |
| 1981 | } |
| 1982 | |
| 1983 | if (status & Y2_IS_PAR_RX1) { |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 1984 | if (net_ratelimit()) |
| 1985 | printk(KERN_ERR PFX "%s: RX parity error\n", dev->name); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1986 | sky2_write32(hw, Q_ADDR(rxqaddr[port], Q_CSR), BMU_CLR_IRQ_PAR); |
| 1987 | } |
| 1988 | |
| 1989 | if (status & Y2_IS_TCP_TXA1) { |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 1990 | if (net_ratelimit()) |
| 1991 | printk(KERN_ERR PFX "%s: TCP segmentation error\n", |
| 1992 | dev->name); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1993 | sky2_write32(hw, Q_ADDR(txqaddr[port], Q_CSR), BMU_CLR_IRQ_TCP); |
| 1994 | } |
| 1995 | } |
| 1996 | |
| 1997 | static void sky2_hw_intr(struct sky2_hw *hw) |
| 1998 | { |
| 1999 | u32 status = sky2_read32(hw, B0_HWE_ISRC); |
| 2000 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2001 | if (status & Y2_IS_TIST_OV) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2002 | sky2_write8(hw, GMAC_TI_ST_CTRL, GMT_ST_CLR_IRQ); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2003 | |
| 2004 | if (status & (Y2_IS_MST_ERR | Y2_IS_IRQ_STAT)) { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2005 | u16 pci_err; |
| 2006 | |
Stephen Hemminger | 56a645c | 2006-02-22 11:45:02 -0800 | [diff] [blame] | 2007 | pci_err = sky2_pci_read16(hw, PCI_STATUS); |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 2008 | if (net_ratelimit()) |
| 2009 | printk(KERN_ERR PFX "%s: pci hw error (0x%x)\n", |
| 2010 | pci_name(hw->pdev), pci_err); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2011 | |
| 2012 | sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON); |
Stephen Hemminger | 56a645c | 2006-02-22 11:45:02 -0800 | [diff] [blame] | 2013 | sky2_pci_write16(hw, PCI_STATUS, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2014 | pci_err | PCI_STATUS_ERROR_BITS); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2015 | sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF); |
| 2016 | } |
| 2017 | |
| 2018 | if (status & Y2_IS_PCI_EXP) { |
shemminger@osdl.org | d571b69 | 2005-10-26 12:16:09 -0700 | [diff] [blame] | 2019 | /* PCI-Express uncorrectable Error occurred */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2020 | u32 pex_err; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2021 | |
Stephen Hemminger | 56a645c | 2006-02-22 11:45:02 -0800 | [diff] [blame] | 2022 | pex_err = sky2_pci_read32(hw, PEX_UNC_ERR_STAT); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2023 | |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 2024 | if (net_ratelimit()) |
| 2025 | printk(KERN_ERR PFX "%s: pci express error (0x%x)\n", |
| 2026 | pci_name(hw->pdev), pex_err); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2027 | |
| 2028 | /* clear the interrupt */ |
| 2029 | sky2_write32(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON); |
Stephen Hemminger | 56a645c | 2006-02-22 11:45:02 -0800 | [diff] [blame] | 2030 | sky2_pci_write32(hw, PEX_UNC_ERR_STAT, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2031 | 0xffffffffUL); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2032 | sky2_write32(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF); |
| 2033 | |
| 2034 | if (pex_err & PEX_FATAL_ERRORS) { |
| 2035 | u32 hwmsk = sky2_read32(hw, B0_HWE_IMSK); |
| 2036 | hwmsk &= ~Y2_IS_PCI_EXP; |
| 2037 | sky2_write32(hw, B0_HWE_IMSK, hwmsk); |
| 2038 | } |
| 2039 | } |
| 2040 | |
| 2041 | if (status & Y2_HWE_L1_MASK) |
| 2042 | sky2_hw_error(hw, 0, status); |
| 2043 | status >>= 8; |
| 2044 | if (status & Y2_HWE_L1_MASK) |
| 2045 | sky2_hw_error(hw, 1, status); |
| 2046 | } |
| 2047 | |
| 2048 | static void sky2_mac_intr(struct sky2_hw *hw, unsigned port) |
| 2049 | { |
| 2050 | struct net_device *dev = hw->dev[port]; |
| 2051 | struct sky2_port *sky2 = netdev_priv(dev); |
| 2052 | u8 status = sky2_read8(hw, SK_REG(port, GMAC_IRQ_SRC)); |
| 2053 | |
| 2054 | if (netif_msg_intr(sky2)) |
| 2055 | printk(KERN_INFO PFX "%s: mac interrupt status 0x%x\n", |
| 2056 | dev->name, status); |
| 2057 | |
| 2058 | if (status & GM_IS_RX_FF_OR) { |
| 2059 | ++sky2->net_stats.rx_fifo_errors; |
| 2060 | sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_CLI_RX_FO); |
| 2061 | } |
| 2062 | |
| 2063 | if (status & GM_IS_TX_FF_UR) { |
| 2064 | ++sky2->net_stats.tx_fifo_errors; |
| 2065 | sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_CLI_TX_FU); |
| 2066 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2067 | } |
| 2068 | |
Stephen Hemminger | d257924 | 2006-03-20 15:48:22 -0800 | [diff] [blame^] | 2069 | /* This should never happen it is a fatal situation */ |
| 2070 | static void sky2_descriptor_error(struct sky2_hw *hw, unsigned port, |
| 2071 | const char *rxtx, u32 mask) |
| 2072 | { |
| 2073 | struct net_device *dev = hw->dev[port]; |
| 2074 | struct sky2_port *sky2 = netdev_priv(dev); |
| 2075 | u32 imask; |
| 2076 | |
| 2077 | printk(KERN_ERR PFX "%s: %s descriptor error (hardware problem)\n", |
| 2078 | dev ? dev->name : "<not registered>", rxtx); |
| 2079 | |
| 2080 | imask = sky2_read32(hw, B0_IMSK); |
| 2081 | imask &= ~mask; |
| 2082 | sky2_write32(hw, B0_IMSK, imask); |
| 2083 | |
| 2084 | if (dev) { |
| 2085 | spin_lock(&sky2->phy_lock); |
| 2086 | sky2_link_down(sky2); |
| 2087 | spin_unlock(&sky2->phy_lock); |
| 2088 | } |
| 2089 | } |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2090 | |
| 2091 | static int sky2_poll(struct net_device *dev0, int *budget) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2092 | { |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2093 | struct sky2_hw *hw = ((struct sky2_port *) netdev_priv(dev0))->hw; |
| 2094 | int work_limit = min(dev0->quota, *budget); |
| 2095 | int work_done = 0; |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 2096 | u32 status = sky2_read32(hw, B0_Y2_SP_EISR); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2097 | |
Stephen Hemminger | d257924 | 2006-03-20 15:48:22 -0800 | [diff] [blame^] | 2098 | if (unlikely(status & ~Y2_IS_STAT_BMU)) { |
| 2099 | if (status & Y2_IS_HW_ERR) |
| 2100 | sky2_hw_intr(hw); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2101 | |
Stephen Hemminger | d257924 | 2006-03-20 15:48:22 -0800 | [diff] [blame^] | 2102 | if (status & Y2_IS_IRQ_PHY1) |
| 2103 | sky2_phy_intr(hw, 0); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2104 | |
Stephen Hemminger | d257924 | 2006-03-20 15:48:22 -0800 | [diff] [blame^] | 2105 | if (status & Y2_IS_IRQ_PHY2) |
| 2106 | sky2_phy_intr(hw, 1); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2107 | |
Stephen Hemminger | d257924 | 2006-03-20 15:48:22 -0800 | [diff] [blame^] | 2108 | if (status & Y2_IS_IRQ_MAC1) |
| 2109 | sky2_mac_intr(hw, 0); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2110 | |
Stephen Hemminger | d257924 | 2006-03-20 15:48:22 -0800 | [diff] [blame^] | 2111 | if (status & Y2_IS_IRQ_MAC2) |
| 2112 | sky2_mac_intr(hw, 1); |
| 2113 | |
| 2114 | if (status & Y2_IS_CHK_RX1) |
| 2115 | sky2_descriptor_error(hw, 0, "receive", Y2_IS_CHK_RX1); |
| 2116 | |
| 2117 | if (status & Y2_IS_CHK_RX2) |
| 2118 | sky2_descriptor_error(hw, 1, "receive", Y2_IS_CHK_RX2); |
| 2119 | |
| 2120 | if (status & Y2_IS_CHK_TXA1) |
| 2121 | sky2_descriptor_error(hw, 0, "transmit", Y2_IS_CHK_TXA1); |
| 2122 | |
| 2123 | if (status & Y2_IS_CHK_TXA2) |
| 2124 | sky2_descriptor_error(hw, 1, "transmit", Y2_IS_CHK_TXA2); |
| 2125 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2126 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2127 | if (status & Y2_IS_STAT_BMU) { |
| 2128 | work_done = sky2_status_intr(hw, work_limit); |
| 2129 | *budget -= work_done; |
| 2130 | dev0->quota -= work_done; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2131 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2132 | if (work_done >= work_limit) |
| 2133 | return 1; |
| 2134 | |
| 2135 | sky2_write32(hw, STAT_CTRL, SC_STAT_CLR_IRQ); |
| 2136 | } |
| 2137 | |
| 2138 | netif_rx_complete(dev0); |
| 2139 | |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 2140 | status = sky2_read32(hw, B0_Y2_SP_LISR); |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2141 | return 0; |
| 2142 | } |
| 2143 | |
| 2144 | static irqreturn_t sky2_intr(int irq, void *dev_id, struct pt_regs *regs) |
| 2145 | { |
| 2146 | struct sky2_hw *hw = dev_id; |
| 2147 | struct net_device *dev0 = hw->dev[0]; |
| 2148 | u32 status; |
| 2149 | |
| 2150 | /* Reading this mask interrupts as side effect */ |
| 2151 | status = sky2_read32(hw, B0_Y2_SP_ISRC2); |
| 2152 | if (status == 0 || status == ~0) |
| 2153 | return IRQ_NONE; |
| 2154 | |
| 2155 | prefetch(&hw->st_le[hw->st_idx]); |
| 2156 | if (likely(__netif_rx_schedule_prep(dev0))) |
| 2157 | __netif_rx_schedule(dev0); |
Stephen Hemminger | 8f24664 | 2006-03-20 15:48:21 -0800 | [diff] [blame] | 2158 | else |
| 2159 | printk(KERN_DEBUG PFX "irq race detected\n"); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2160 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2161 | return IRQ_HANDLED; |
| 2162 | } |
| 2163 | |
| 2164 | #ifdef CONFIG_NET_POLL_CONTROLLER |
| 2165 | static void sky2_netpoll(struct net_device *dev) |
| 2166 | { |
| 2167 | struct sky2_port *sky2 = netdev_priv(dev); |
| 2168 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2169 | sky2_intr(sky2->hw->pdev->irq, sky2->hw, NULL); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2170 | } |
| 2171 | #endif |
| 2172 | |
| 2173 | /* Chip internal frequency for clock calculations */ |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 2174 | static inline u32 sky2_mhz(const struct sky2_hw *hw) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2175 | { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2176 | switch (hw->chip_id) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2177 | case CHIP_ID_YUKON_EC: |
shemminger@osdl.org | 5a5b1ea | 2005-11-30 11:45:15 -0800 | [diff] [blame] | 2178 | case CHIP_ID_YUKON_EC_U: |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 2179 | return 125; /* 125 Mhz */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2180 | case CHIP_ID_YUKON_FE: |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 2181 | return 100; /* 100 Mhz */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2182 | default: /* YUKON_XL */ |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 2183 | return 156; /* 156 Mhz */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2184 | } |
| 2185 | } |
| 2186 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2187 | static inline u32 sky2_us2clk(const struct sky2_hw *hw, u32 us) |
| 2188 | { |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 2189 | return sky2_mhz(hw) * us; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2190 | } |
| 2191 | |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 2192 | static inline u32 sky2_clk2us(const struct sky2_hw *hw, u32 clk) |
| 2193 | { |
| 2194 | return clk / sky2_mhz(hw); |
| 2195 | } |
| 2196 | |
| 2197 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2198 | static int sky2_reset(struct sky2_hw *hw) |
| 2199 | { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2200 | u16 status; |
| 2201 | u8 t8, pmd_type; |
Stephen Hemminger | 56a645c | 2006-02-22 11:45:02 -0800 | [diff] [blame] | 2202 | int i; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2203 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2204 | sky2_write8(hw, B0_CTST, CS_RST_CLR); |
Stephen Hemminger | 08c06d8 | 2006-01-30 11:37:54 -0800 | [diff] [blame] | 2205 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2206 | hw->chip_id = sky2_read8(hw, B2_CHIP_ID); |
| 2207 | if (hw->chip_id < CHIP_ID_YUKON_XL || hw->chip_id > CHIP_ID_YUKON_FE) { |
| 2208 | printk(KERN_ERR PFX "%s: unsupported chip type 0x%x\n", |
| 2209 | pci_name(hw->pdev), hw->chip_id); |
| 2210 | return -EOPNOTSUPP; |
| 2211 | } |
| 2212 | |
Stephen Hemminger | 290d4de | 2006-03-20 15:48:15 -0800 | [diff] [blame] | 2213 | hw->chip_rev = (sky2_read8(hw, B2_MAC_CFG) & CFG_CHIP_R_MSK) >> 4; |
| 2214 | |
| 2215 | /* This rev is really old, and requires untested workarounds */ |
| 2216 | if (hw->chip_id == CHIP_ID_YUKON_EC && hw->chip_rev == CHIP_REV_YU_EC_A1) { |
| 2217 | printk(KERN_ERR PFX "%s: unsupported revision Yukon-%s (0x%x) rev %d\n", |
| 2218 | pci_name(hw->pdev), yukon2_name[hw->chip_id - CHIP_ID_YUKON_XL], |
| 2219 | hw->chip_id, hw->chip_rev); |
| 2220 | return -EOPNOTSUPP; |
| 2221 | } |
| 2222 | |
| 2223 | /* This chip is new and not tested yet */ |
| 2224 | if (hw->chip_id == CHIP_ID_YUKON_EC_U) { |
| 2225 | pr_info(PFX "%s: is a version of Yukon 2 chipset that has not been tested yet.\n", |
| 2226 | pci_name(hw->pdev)); |
| 2227 | pr_info("Please report success/failure to maintainer <shemminger@osdl.org>\n"); |
| 2228 | } |
| 2229 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2230 | /* disable ASF */ |
| 2231 | if (hw->chip_id <= CHIP_ID_YUKON_EC) { |
| 2232 | sky2_write8(hw, B28_Y2_ASF_STAT_CMD, Y2_ASF_RESET); |
| 2233 | sky2_write16(hw, B0_CTST, Y2_ASF_DISABLE); |
| 2234 | } |
| 2235 | |
| 2236 | /* do a SW reset */ |
| 2237 | sky2_write8(hw, B0_CTST, CS_RST_SET); |
| 2238 | sky2_write8(hw, B0_CTST, CS_RST_CLR); |
| 2239 | |
| 2240 | /* clear PCI errors, if any */ |
Stephen Hemminger | 56a645c | 2006-02-22 11:45:02 -0800 | [diff] [blame] | 2241 | status = sky2_pci_read16(hw, PCI_STATUS); |
Stephen Hemminger | 2d42d21 | 2006-01-30 11:37:55 -0800 | [diff] [blame] | 2242 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2243 | sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON); |
Stephen Hemminger | 56a645c | 2006-02-22 11:45:02 -0800 | [diff] [blame] | 2244 | sky2_pci_write16(hw, PCI_STATUS, status | PCI_STATUS_ERROR_BITS); |
| 2245 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2246 | |
| 2247 | sky2_write8(hw, B0_CTST, CS_MRST_CLR); |
| 2248 | |
| 2249 | /* clear any PEX errors */ |
Stephen Hemminger | d89e134 | 2006-03-20 15:48:20 -0800 | [diff] [blame] | 2250 | if (pci_find_capability(hw->pdev, PCI_CAP_ID_EXP)) |
Stephen Hemminger | 56a645c | 2006-02-22 11:45:02 -0800 | [diff] [blame] | 2251 | sky2_pci_write32(hw, PEX_UNC_ERR_STAT, 0xffffffffUL); |
| 2252 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2253 | |
| 2254 | pmd_type = sky2_read8(hw, B2_PMD_TYP); |
| 2255 | hw->copper = !(pmd_type == 'L' || pmd_type == 'S'); |
| 2256 | |
| 2257 | hw->ports = 1; |
| 2258 | t8 = sky2_read8(hw, B2_Y2_HW_RES); |
| 2259 | if ((t8 & CFG_DUAL_MAC_MSK) == CFG_DUAL_MAC_MSK) { |
| 2260 | if (!(sky2_read8(hw, B2_Y2_CLK_GATE) & Y2_STATUS_LNK2_INAC)) |
| 2261 | ++hw->ports; |
| 2262 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2263 | |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 2264 | sky2_set_power_state(hw, PCI_D0); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2265 | |
| 2266 | for (i = 0; i < hw->ports; i++) { |
| 2267 | sky2_write8(hw, SK_REG(i, GMAC_LINK_CTRL), GMLC_RST_SET); |
| 2268 | sky2_write8(hw, SK_REG(i, GMAC_LINK_CTRL), GMLC_RST_CLR); |
| 2269 | } |
| 2270 | |
| 2271 | sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF); |
| 2272 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2273 | /* Clear I2C IRQ noise */ |
| 2274 | sky2_write32(hw, B2_I2C_IRQ, 1); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2275 | |
| 2276 | /* turn off hardware timer (unused) */ |
| 2277 | sky2_write8(hw, B2_TI_CTRL, TIM_STOP); |
| 2278 | sky2_write8(hw, B2_TI_CTRL, TIM_CLR_IRQ); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2279 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2280 | sky2_write8(hw, B0_Y2LED, LED_STAT_ON); |
| 2281 | |
Stephen Hemminger | 69634ee | 2005-12-09 11:35:06 -0800 | [diff] [blame] | 2282 | /* Turn off descriptor polling */ |
| 2283 | sky2_write32(hw, B28_DPT_CTRL, DPT_STOP); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2284 | |
| 2285 | /* Turn off receive timestamp */ |
| 2286 | sky2_write8(hw, GMAC_TI_ST_CTRL, GMT_ST_STOP); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2287 | sky2_write8(hw, GMAC_TI_ST_CTRL, GMT_ST_CLR_IRQ); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2288 | |
| 2289 | /* enable the Tx Arbiters */ |
| 2290 | for (i = 0; i < hw->ports; i++) |
| 2291 | sky2_write8(hw, SK_REG(i, TXA_CTRL), TXA_ENA_ARB); |
| 2292 | |
| 2293 | /* Initialize ram interface */ |
| 2294 | for (i = 0; i < hw->ports; i++) { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2295 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_CTRL), RI_RST_CLR); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2296 | |
| 2297 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_WTO_R1), SK_RI_TO_53); |
| 2298 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_WTO_XA1), SK_RI_TO_53); |
| 2299 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_WTO_XS1), SK_RI_TO_53); |
| 2300 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_RTO_R1), SK_RI_TO_53); |
| 2301 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_RTO_XA1), SK_RI_TO_53); |
| 2302 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_RTO_XS1), SK_RI_TO_53); |
| 2303 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_WTO_R2), SK_RI_TO_53); |
| 2304 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_WTO_XA2), SK_RI_TO_53); |
| 2305 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_WTO_XS2), SK_RI_TO_53); |
| 2306 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_RTO_R2), SK_RI_TO_53); |
| 2307 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_RTO_XA2), SK_RI_TO_53); |
| 2308 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_RTO_XS2), SK_RI_TO_53); |
| 2309 | } |
| 2310 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2311 | sky2_write32(hw, B0_HWE_IMSK, Y2_HWE_ALL_MASK); |
| 2312 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2313 | for (i = 0; i < hw->ports; i++) |
| 2314 | sky2_phy_reset(hw, i); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2315 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2316 | memset(hw->st_le, 0, STATUS_LE_BYTES); |
| 2317 | hw->st_idx = 0; |
| 2318 | |
| 2319 | sky2_write32(hw, STAT_CTRL, SC_STAT_RST_SET); |
| 2320 | sky2_write32(hw, STAT_CTRL, SC_STAT_RST_CLR); |
| 2321 | |
| 2322 | sky2_write32(hw, STAT_LIST_ADDR_LO, hw->st_dma); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2323 | sky2_write32(hw, STAT_LIST_ADDR_HI, (u64) hw->st_dma >> 32); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2324 | |
| 2325 | /* Set the list last index */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2326 | sky2_write16(hw, STAT_LAST_IDX, STATUS_RING_SIZE - 1); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2327 | |
Stephen Hemminger | 290d4de | 2006-03-20 15:48:15 -0800 | [diff] [blame] | 2328 | sky2_write16(hw, STAT_TX_IDX_TH, 10); |
| 2329 | sky2_write8(hw, STAT_FIFO_WM, 16); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2330 | |
Stephen Hemminger | 290d4de | 2006-03-20 15:48:15 -0800 | [diff] [blame] | 2331 | /* set Status-FIFO ISR watermark */ |
| 2332 | if (hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev == 0) |
| 2333 | sky2_write8(hw, STAT_FIFO_ISR_WM, 4); |
| 2334 | else |
| 2335 | sky2_write8(hw, STAT_FIFO_ISR_WM, 16); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2336 | |
Stephen Hemminger | 290d4de | 2006-03-20 15:48:15 -0800 | [diff] [blame] | 2337 | sky2_write32(hw, STAT_TX_TIMER_INI, sky2_us2clk(hw, 1000)); |
Stephen Hemminger | 77b3d6a | 2006-03-20 15:48:18 -0800 | [diff] [blame] | 2338 | sky2_write32(hw, STAT_ISR_TIMER_INI, sky2_us2clk(hw, 20)); |
| 2339 | sky2_write32(hw, STAT_LEV_TIMER_INI, sky2_us2clk(hw, 100)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2340 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2341 | /* enable status unit */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2342 | sky2_write32(hw, STAT_CTRL, SC_STAT_OP_ON); |
| 2343 | |
| 2344 | sky2_write8(hw, STAT_TX_TIMER_CTRL, TIM_START); |
| 2345 | sky2_write8(hw, STAT_LEV_TIMER_CTRL, TIM_START); |
| 2346 | sky2_write8(hw, STAT_ISR_TIMER_CTRL, TIM_START); |
| 2347 | |
| 2348 | return 0; |
| 2349 | } |
| 2350 | |
Stephen Hemminger | 28bd181 | 2006-01-17 13:43:19 -0800 | [diff] [blame] | 2351 | static u32 sky2_supported_modes(const struct sky2_hw *hw) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2352 | { |
| 2353 | u32 modes; |
| 2354 | if (hw->copper) { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2355 | modes = SUPPORTED_10baseT_Half |
| 2356 | | SUPPORTED_10baseT_Full |
| 2357 | | SUPPORTED_100baseT_Half |
| 2358 | | SUPPORTED_100baseT_Full |
| 2359 | | SUPPORTED_Autoneg | SUPPORTED_TP; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2360 | |
| 2361 | if (hw->chip_id != CHIP_ID_YUKON_FE) |
| 2362 | modes |= SUPPORTED_1000baseT_Half |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2363 | | SUPPORTED_1000baseT_Full; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2364 | } else |
| 2365 | modes = SUPPORTED_1000baseT_Full | SUPPORTED_FIBRE |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2366 | | SUPPORTED_Autoneg; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2367 | return modes; |
| 2368 | } |
| 2369 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2370 | 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] | 2371 | { |
| 2372 | struct sky2_port *sky2 = netdev_priv(dev); |
| 2373 | struct sky2_hw *hw = sky2->hw; |
| 2374 | |
| 2375 | ecmd->transceiver = XCVR_INTERNAL; |
| 2376 | ecmd->supported = sky2_supported_modes(hw); |
| 2377 | ecmd->phy_address = PHY_ADDR_MARV; |
| 2378 | if (hw->copper) { |
| 2379 | ecmd->supported = SUPPORTED_10baseT_Half |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2380 | | SUPPORTED_10baseT_Full |
| 2381 | | SUPPORTED_100baseT_Half |
| 2382 | | SUPPORTED_100baseT_Full |
| 2383 | | SUPPORTED_1000baseT_Half |
| 2384 | | SUPPORTED_1000baseT_Full |
| 2385 | | SUPPORTED_Autoneg | SUPPORTED_TP; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2386 | ecmd->port = PORT_TP; |
| 2387 | } else |
| 2388 | ecmd->port = PORT_FIBRE; |
| 2389 | |
| 2390 | ecmd->advertising = sky2->advertising; |
| 2391 | ecmd->autoneg = sky2->autoneg; |
| 2392 | ecmd->speed = sky2->speed; |
| 2393 | ecmd->duplex = sky2->duplex; |
| 2394 | return 0; |
| 2395 | } |
| 2396 | |
| 2397 | static int sky2_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd) |
| 2398 | { |
| 2399 | struct sky2_port *sky2 = netdev_priv(dev); |
| 2400 | const struct sky2_hw *hw = sky2->hw; |
| 2401 | u32 supported = sky2_supported_modes(hw); |
| 2402 | |
| 2403 | if (ecmd->autoneg == AUTONEG_ENABLE) { |
| 2404 | ecmd->advertising = supported; |
| 2405 | sky2->duplex = -1; |
| 2406 | sky2->speed = -1; |
| 2407 | } else { |
| 2408 | u32 setting; |
| 2409 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2410 | switch (ecmd->speed) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2411 | case SPEED_1000: |
| 2412 | if (ecmd->duplex == DUPLEX_FULL) |
| 2413 | setting = SUPPORTED_1000baseT_Full; |
| 2414 | else if (ecmd->duplex == DUPLEX_HALF) |
| 2415 | setting = SUPPORTED_1000baseT_Half; |
| 2416 | else |
| 2417 | return -EINVAL; |
| 2418 | break; |
| 2419 | case SPEED_100: |
| 2420 | if (ecmd->duplex == DUPLEX_FULL) |
| 2421 | setting = SUPPORTED_100baseT_Full; |
| 2422 | else if (ecmd->duplex == DUPLEX_HALF) |
| 2423 | setting = SUPPORTED_100baseT_Half; |
| 2424 | else |
| 2425 | return -EINVAL; |
| 2426 | break; |
| 2427 | |
| 2428 | case SPEED_10: |
| 2429 | if (ecmd->duplex == DUPLEX_FULL) |
| 2430 | setting = SUPPORTED_10baseT_Full; |
| 2431 | else if (ecmd->duplex == DUPLEX_HALF) |
| 2432 | setting = SUPPORTED_10baseT_Half; |
| 2433 | else |
| 2434 | return -EINVAL; |
| 2435 | break; |
| 2436 | default: |
| 2437 | return -EINVAL; |
| 2438 | } |
| 2439 | |
| 2440 | if ((setting & supported) == 0) |
| 2441 | return -EINVAL; |
| 2442 | |
| 2443 | sky2->speed = ecmd->speed; |
| 2444 | sky2->duplex = ecmd->duplex; |
| 2445 | } |
| 2446 | |
| 2447 | sky2->autoneg = ecmd->autoneg; |
| 2448 | sky2->advertising = ecmd->advertising; |
| 2449 | |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 2450 | if (netif_running(dev)) |
| 2451 | sky2_phy_reinit(sky2); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2452 | |
| 2453 | return 0; |
| 2454 | } |
| 2455 | |
| 2456 | static void sky2_get_drvinfo(struct net_device *dev, |
| 2457 | struct ethtool_drvinfo *info) |
| 2458 | { |
| 2459 | struct sky2_port *sky2 = netdev_priv(dev); |
| 2460 | |
| 2461 | strcpy(info->driver, DRV_NAME); |
| 2462 | strcpy(info->version, DRV_VERSION); |
| 2463 | strcpy(info->fw_version, "N/A"); |
| 2464 | strcpy(info->bus_info, pci_name(sky2->hw->pdev)); |
| 2465 | } |
| 2466 | |
| 2467 | static const struct sky2_stat { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2468 | char name[ETH_GSTRING_LEN]; |
| 2469 | u16 offset; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2470 | } sky2_stats[] = { |
| 2471 | { "tx_bytes", GM_TXO_OK_HI }, |
| 2472 | { "rx_bytes", GM_RXO_OK_HI }, |
| 2473 | { "tx_broadcast", GM_TXF_BC_OK }, |
| 2474 | { "rx_broadcast", GM_RXF_BC_OK }, |
| 2475 | { "tx_multicast", GM_TXF_MC_OK }, |
| 2476 | { "rx_multicast", GM_RXF_MC_OK }, |
| 2477 | { "tx_unicast", GM_TXF_UC_OK }, |
| 2478 | { "rx_unicast", GM_RXF_UC_OK }, |
| 2479 | { "tx_mac_pause", GM_TXF_MPAUSE }, |
| 2480 | { "rx_mac_pause", GM_RXF_MPAUSE }, |
| 2481 | { "collisions", GM_TXF_SNG_COL }, |
| 2482 | { "late_collision",GM_TXF_LAT_COL }, |
| 2483 | { "aborted", GM_TXF_ABO_COL }, |
| 2484 | { "multi_collisions", GM_TXF_MUL_COL }, |
| 2485 | { "fifo_underrun", GM_TXE_FIFO_UR }, |
| 2486 | { "fifo_overflow", GM_RXE_FIFO_OV }, |
| 2487 | { "rx_toolong", GM_RXF_LNG_ERR }, |
| 2488 | { "rx_jabber", GM_RXF_JAB_PKT }, |
| 2489 | { "rx_runt", GM_RXE_FRAG }, |
| 2490 | { "rx_too_long", GM_RXF_LNG_ERR }, |
| 2491 | { "rx_fcs_error", GM_RXF_FCS_ERR }, |
| 2492 | }; |
| 2493 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2494 | static u32 sky2_get_rx_csum(struct net_device *dev) |
| 2495 | { |
| 2496 | struct sky2_port *sky2 = netdev_priv(dev); |
| 2497 | |
| 2498 | return sky2->rx_csum; |
| 2499 | } |
| 2500 | |
| 2501 | static int sky2_set_rx_csum(struct net_device *dev, u32 data) |
| 2502 | { |
| 2503 | struct sky2_port *sky2 = netdev_priv(dev); |
| 2504 | |
| 2505 | sky2->rx_csum = data; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2506 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2507 | sky2_write32(sky2->hw, Q_ADDR(rxqaddr[sky2->port], Q_CSR), |
| 2508 | data ? BMU_ENA_RX_CHKSUM : BMU_DIS_RX_CHKSUM); |
| 2509 | |
| 2510 | return 0; |
| 2511 | } |
| 2512 | |
| 2513 | static u32 sky2_get_msglevel(struct net_device *netdev) |
| 2514 | { |
| 2515 | struct sky2_port *sky2 = netdev_priv(netdev); |
| 2516 | return sky2->msg_enable; |
| 2517 | } |
| 2518 | |
Stephen Hemminger | 9a7ae0a | 2005-09-27 15:28:42 -0700 | [diff] [blame] | 2519 | static int sky2_nway_reset(struct net_device *dev) |
| 2520 | { |
| 2521 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | 9a7ae0a | 2005-09-27 15:28:42 -0700 | [diff] [blame] | 2522 | |
| 2523 | if (sky2->autoneg != AUTONEG_ENABLE) |
| 2524 | return -EINVAL; |
| 2525 | |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 2526 | sky2_phy_reinit(sky2); |
Stephen Hemminger | 9a7ae0a | 2005-09-27 15:28:42 -0700 | [diff] [blame] | 2527 | |
| 2528 | return 0; |
| 2529 | } |
| 2530 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2531 | 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] | 2532 | { |
| 2533 | struct sky2_hw *hw = sky2->hw; |
| 2534 | unsigned port = sky2->port; |
| 2535 | int i; |
| 2536 | |
| 2537 | data[0] = (u64) gma_read32(hw, port, GM_TXO_OK_HI) << 32 |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2538 | | (u64) gma_read32(hw, port, GM_TXO_OK_LO); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2539 | data[1] = (u64) gma_read32(hw, port, GM_RXO_OK_HI) << 32 |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2540 | | (u64) gma_read32(hw, port, GM_RXO_OK_LO); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2541 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2542 | for (i = 2; i < count; i++) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2543 | data[i] = (u64) gma_read32(hw, port, sky2_stats[i].offset); |
| 2544 | } |
| 2545 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2546 | static void sky2_set_msglevel(struct net_device *netdev, u32 value) |
| 2547 | { |
| 2548 | struct sky2_port *sky2 = netdev_priv(netdev); |
| 2549 | sky2->msg_enable = value; |
| 2550 | } |
| 2551 | |
| 2552 | static int sky2_get_stats_count(struct net_device *dev) |
| 2553 | { |
| 2554 | return ARRAY_SIZE(sky2_stats); |
| 2555 | } |
| 2556 | |
| 2557 | static void sky2_get_ethtool_stats(struct net_device *dev, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2558 | struct ethtool_stats *stats, u64 * data) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2559 | { |
| 2560 | struct sky2_port *sky2 = netdev_priv(dev); |
| 2561 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2562 | sky2_phy_stats(sky2, data, ARRAY_SIZE(sky2_stats)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2563 | } |
| 2564 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2565 | 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] | 2566 | { |
| 2567 | int i; |
| 2568 | |
| 2569 | switch (stringset) { |
| 2570 | case ETH_SS_STATS: |
| 2571 | for (i = 0; i < ARRAY_SIZE(sky2_stats); i++) |
| 2572 | memcpy(data + i * ETH_GSTRING_LEN, |
| 2573 | sky2_stats[i].name, ETH_GSTRING_LEN); |
| 2574 | break; |
| 2575 | } |
| 2576 | } |
| 2577 | |
| 2578 | /* Use hardware MIB variables for critical path statistics and |
| 2579 | * transmit feedback not reported at interrupt. |
| 2580 | * Other errors are accounted for in interrupt handler. |
| 2581 | */ |
| 2582 | static struct net_device_stats *sky2_get_stats(struct net_device *dev) |
| 2583 | { |
| 2584 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2585 | u64 data[13]; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2586 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2587 | sky2_phy_stats(sky2, data, ARRAY_SIZE(data)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2588 | |
| 2589 | sky2->net_stats.tx_bytes = data[0]; |
| 2590 | sky2->net_stats.rx_bytes = data[1]; |
| 2591 | sky2->net_stats.tx_packets = data[2] + data[4] + data[6]; |
| 2592 | sky2->net_stats.rx_packets = data[3] + data[5] + data[7]; |
| 2593 | sky2->net_stats.multicast = data[5] + data[7]; |
| 2594 | sky2->net_stats.collisions = data[10]; |
| 2595 | sky2->net_stats.tx_aborted_errors = data[12]; |
| 2596 | |
| 2597 | return &sky2->net_stats; |
| 2598 | } |
| 2599 | |
| 2600 | static int sky2_set_mac_address(struct net_device *dev, void *p) |
| 2601 | { |
| 2602 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | a8ab1ec | 2006-01-30 11:37:57 -0800 | [diff] [blame] | 2603 | struct sky2_hw *hw = sky2->hw; |
| 2604 | unsigned port = sky2->port; |
| 2605 | const struct sockaddr *addr = p; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2606 | |
| 2607 | if (!is_valid_ether_addr(addr->sa_data)) |
| 2608 | return -EADDRNOTAVAIL; |
| 2609 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2610 | memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN); |
Stephen Hemminger | a8ab1ec | 2006-01-30 11:37:57 -0800 | [diff] [blame] | 2611 | memcpy_toio(hw->regs + B2_MAC_1 + port * 8, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2612 | dev->dev_addr, ETH_ALEN); |
Stephen Hemminger | a8ab1ec | 2006-01-30 11:37:57 -0800 | [diff] [blame] | 2613 | memcpy_toio(hw->regs + B2_MAC_2 + port * 8, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2614 | dev->dev_addr, ETH_ALEN); |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 2615 | |
Stephen Hemminger | a8ab1ec | 2006-01-30 11:37:57 -0800 | [diff] [blame] | 2616 | /* virtual address for data */ |
| 2617 | gma_set_addr(hw, port, GM_SRC_ADDR_2L, dev->dev_addr); |
| 2618 | |
| 2619 | /* physical address: used for pause frames */ |
| 2620 | gma_set_addr(hw, port, GM_SRC_ADDR_1L, dev->dev_addr); |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 2621 | |
| 2622 | return 0; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2623 | } |
| 2624 | |
| 2625 | static void sky2_set_multicast(struct net_device *dev) |
| 2626 | { |
| 2627 | struct sky2_port *sky2 = netdev_priv(dev); |
| 2628 | struct sky2_hw *hw = sky2->hw; |
| 2629 | unsigned port = sky2->port; |
| 2630 | struct dev_mc_list *list = dev->mc_list; |
| 2631 | u16 reg; |
| 2632 | u8 filter[8]; |
| 2633 | |
| 2634 | memset(filter, 0, sizeof(filter)); |
| 2635 | |
| 2636 | reg = gma_read16(hw, port, GM_RX_CTRL); |
| 2637 | reg |= GM_RXCR_UCF_ENA; |
| 2638 | |
shemminger@osdl.org | d571b69 | 2005-10-26 12:16:09 -0700 | [diff] [blame] | 2639 | if (dev->flags & IFF_PROMISC) /* promiscuous */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2640 | reg &= ~(GM_RXCR_UCF_ENA | GM_RXCR_MCF_ENA); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2641 | else if ((dev->flags & IFF_ALLMULTI) || dev->mc_count > 16) /* all multicast */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2642 | memset(filter, 0xff, sizeof(filter)); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2643 | else if (dev->mc_count == 0) /* no multicast */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2644 | reg &= ~GM_RXCR_MCF_ENA; |
| 2645 | else { |
| 2646 | int i; |
| 2647 | reg |= GM_RXCR_MCF_ENA; |
| 2648 | |
| 2649 | for (i = 0; list && i < dev->mc_count; i++, list = list->next) { |
| 2650 | u32 bit = ether_crc(ETH_ALEN, list->dmi_addr) & 0x3f; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2651 | filter[bit / 8] |= 1 << (bit % 8); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2652 | } |
| 2653 | } |
| 2654 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2655 | gma_write16(hw, port, GM_MC_ADDR_H1, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2656 | (u16) filter[0] | ((u16) filter[1] << 8)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2657 | gma_write16(hw, port, GM_MC_ADDR_H2, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2658 | (u16) filter[2] | ((u16) filter[3] << 8)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2659 | gma_write16(hw, port, GM_MC_ADDR_H3, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2660 | (u16) filter[4] | ((u16) filter[5] << 8)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2661 | gma_write16(hw, port, GM_MC_ADDR_H4, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2662 | (u16) filter[6] | ((u16) filter[7] << 8)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2663 | |
| 2664 | gma_write16(hw, port, GM_RX_CTRL, reg); |
| 2665 | } |
| 2666 | |
| 2667 | /* Can have one global because blinking is controlled by |
| 2668 | * ethtool and that is always under RTNL mutex |
| 2669 | */ |
Stephen Hemminger | 91c86df | 2005-12-09 11:34:57 -0800 | [diff] [blame] | 2670 | static void sky2_led(struct sky2_hw *hw, unsigned port, int on) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2671 | { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2672 | u16 pg; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2673 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2674 | switch (hw->chip_id) { |
| 2675 | case CHIP_ID_YUKON_XL: |
| 2676 | pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); |
| 2677 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 3); |
| 2678 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, |
| 2679 | on ? (PHY_M_LEDC_LOS_CTRL(1) | |
| 2680 | PHY_M_LEDC_INIT_CTRL(7) | |
| 2681 | PHY_M_LEDC_STA1_CTRL(7) | |
| 2682 | PHY_M_LEDC_STA0_CTRL(7)) |
| 2683 | : 0); |
| 2684 | |
| 2685 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg); |
| 2686 | break; |
| 2687 | |
| 2688 | default: |
| 2689 | gm_phy_write(hw, port, PHY_MARV_LED_CTRL, 0); |
| 2690 | gm_phy_write(hw, port, PHY_MARV_LED_OVER, |
| 2691 | on ? PHY_M_LED_MO_DUP(MO_LED_ON) | |
| 2692 | PHY_M_LED_MO_10(MO_LED_ON) | |
| 2693 | PHY_M_LED_MO_100(MO_LED_ON) | |
| 2694 | PHY_M_LED_MO_1000(MO_LED_ON) | |
| 2695 | PHY_M_LED_MO_RX(MO_LED_ON) |
| 2696 | : PHY_M_LED_MO_DUP(MO_LED_OFF) | |
| 2697 | PHY_M_LED_MO_10(MO_LED_OFF) | |
| 2698 | PHY_M_LED_MO_100(MO_LED_OFF) | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2699 | PHY_M_LED_MO_1000(MO_LED_OFF) | |
| 2700 | PHY_M_LED_MO_RX(MO_LED_OFF)); |
| 2701 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2702 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2703 | } |
| 2704 | |
| 2705 | /* blink LED's for finding board */ |
| 2706 | static int sky2_phys_id(struct net_device *dev, u32 data) |
| 2707 | { |
| 2708 | struct sky2_port *sky2 = netdev_priv(dev); |
| 2709 | struct sky2_hw *hw = sky2->hw; |
| 2710 | unsigned port = sky2->port; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2711 | u16 ledctrl, ledover = 0; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2712 | long ms; |
Stephen Hemminger | 91c86df | 2005-12-09 11:34:57 -0800 | [diff] [blame] | 2713 | int interrupted; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2714 | int onoff = 1; |
| 2715 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2716 | if (!data || data > (u32) (MAX_SCHEDULE_TIMEOUT / HZ)) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2717 | ms = jiffies_to_msecs(MAX_SCHEDULE_TIMEOUT); |
| 2718 | else |
| 2719 | ms = data * 1000; |
| 2720 | |
| 2721 | /* save initial values */ |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2722 | spin_lock_bh(&sky2->phy_lock); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2723 | if (hw->chip_id == CHIP_ID_YUKON_XL) { |
| 2724 | u16 pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); |
| 2725 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 3); |
| 2726 | ledctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL); |
| 2727 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg); |
| 2728 | } else { |
| 2729 | ledctrl = gm_phy_read(hw, port, PHY_MARV_LED_CTRL); |
| 2730 | ledover = gm_phy_read(hw, port, PHY_MARV_LED_OVER); |
| 2731 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2732 | |
Stephen Hemminger | 91c86df | 2005-12-09 11:34:57 -0800 | [diff] [blame] | 2733 | interrupted = 0; |
| 2734 | while (!interrupted && ms > 0) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2735 | sky2_led(hw, port, onoff); |
| 2736 | onoff = !onoff; |
| 2737 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2738 | spin_unlock_bh(&sky2->phy_lock); |
Stephen Hemminger | 91c86df | 2005-12-09 11:34:57 -0800 | [diff] [blame] | 2739 | interrupted = msleep_interruptible(250); |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2740 | spin_lock_bh(&sky2->phy_lock); |
Stephen Hemminger | 91c86df | 2005-12-09 11:34:57 -0800 | [diff] [blame] | 2741 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2742 | ms -= 250; |
| 2743 | } |
| 2744 | |
| 2745 | /* resume regularly scheduled programming */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2746 | if (hw->chip_id == CHIP_ID_YUKON_XL) { |
| 2747 | u16 pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); |
| 2748 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 3); |
| 2749 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ledctrl); |
| 2750 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg); |
| 2751 | } else { |
| 2752 | gm_phy_write(hw, port, PHY_MARV_LED_CTRL, ledctrl); |
| 2753 | gm_phy_write(hw, port, PHY_MARV_LED_OVER, ledover); |
| 2754 | } |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2755 | spin_unlock_bh(&sky2->phy_lock); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2756 | |
| 2757 | return 0; |
| 2758 | } |
| 2759 | |
| 2760 | static void sky2_get_pauseparam(struct net_device *dev, |
| 2761 | struct ethtool_pauseparam *ecmd) |
| 2762 | { |
| 2763 | struct sky2_port *sky2 = netdev_priv(dev); |
| 2764 | |
| 2765 | ecmd->tx_pause = sky2->tx_pause; |
| 2766 | ecmd->rx_pause = sky2->rx_pause; |
| 2767 | ecmd->autoneg = sky2->autoneg; |
| 2768 | } |
| 2769 | |
| 2770 | static int sky2_set_pauseparam(struct net_device *dev, |
| 2771 | struct ethtool_pauseparam *ecmd) |
| 2772 | { |
| 2773 | struct sky2_port *sky2 = netdev_priv(dev); |
| 2774 | int err = 0; |
| 2775 | |
| 2776 | sky2->autoneg = ecmd->autoneg; |
| 2777 | sky2->tx_pause = ecmd->tx_pause != 0; |
| 2778 | sky2->rx_pause = ecmd->rx_pause != 0; |
| 2779 | |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 2780 | sky2_phy_reinit(sky2); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2781 | |
| 2782 | return err; |
| 2783 | } |
| 2784 | |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 2785 | static int sky2_get_coalesce(struct net_device *dev, |
| 2786 | struct ethtool_coalesce *ecmd) |
| 2787 | { |
| 2788 | struct sky2_port *sky2 = netdev_priv(dev); |
| 2789 | struct sky2_hw *hw = sky2->hw; |
| 2790 | |
| 2791 | if (sky2_read8(hw, STAT_TX_TIMER_CTRL) == TIM_STOP) |
| 2792 | ecmd->tx_coalesce_usecs = 0; |
| 2793 | else { |
| 2794 | u32 clks = sky2_read32(hw, STAT_TX_TIMER_INI); |
| 2795 | ecmd->tx_coalesce_usecs = sky2_clk2us(hw, clks); |
| 2796 | } |
| 2797 | ecmd->tx_max_coalesced_frames = sky2_read16(hw, STAT_TX_IDX_TH); |
| 2798 | |
| 2799 | if (sky2_read8(hw, STAT_LEV_TIMER_CTRL) == TIM_STOP) |
| 2800 | ecmd->rx_coalesce_usecs = 0; |
| 2801 | else { |
| 2802 | u32 clks = sky2_read32(hw, STAT_LEV_TIMER_INI); |
| 2803 | ecmd->rx_coalesce_usecs = sky2_clk2us(hw, clks); |
| 2804 | } |
| 2805 | ecmd->rx_max_coalesced_frames = sky2_read8(hw, STAT_FIFO_WM); |
| 2806 | |
| 2807 | if (sky2_read8(hw, STAT_ISR_TIMER_CTRL) == TIM_STOP) |
| 2808 | ecmd->rx_coalesce_usecs_irq = 0; |
| 2809 | else { |
| 2810 | u32 clks = sky2_read32(hw, STAT_ISR_TIMER_INI); |
| 2811 | ecmd->rx_coalesce_usecs_irq = sky2_clk2us(hw, clks); |
| 2812 | } |
| 2813 | |
| 2814 | ecmd->rx_max_coalesced_frames_irq = sky2_read8(hw, STAT_FIFO_ISR_WM); |
| 2815 | |
| 2816 | return 0; |
| 2817 | } |
| 2818 | |
| 2819 | /* Note: this affect both ports */ |
| 2820 | static int sky2_set_coalesce(struct net_device *dev, |
| 2821 | struct ethtool_coalesce *ecmd) |
| 2822 | { |
| 2823 | struct sky2_port *sky2 = netdev_priv(dev); |
| 2824 | struct sky2_hw *hw = sky2->hw; |
Stephen Hemminger | 77b3d6a | 2006-03-20 15:48:18 -0800 | [diff] [blame] | 2825 | const u32 tmax = sky2_clk2us(hw, 0x0ffffff); |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 2826 | |
Stephen Hemminger | 77b3d6a | 2006-03-20 15:48:18 -0800 | [diff] [blame] | 2827 | if (ecmd->tx_coalesce_usecs > tmax || |
| 2828 | ecmd->rx_coalesce_usecs > tmax || |
| 2829 | ecmd->rx_coalesce_usecs_irq > tmax) |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 2830 | return -EINVAL; |
| 2831 | |
Stephen Hemminger | ff81fbb | 2006-02-22 11:44:59 -0800 | [diff] [blame] | 2832 | if (ecmd->tx_max_coalesced_frames >= TX_RING_SIZE-1) |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 2833 | return -EINVAL; |
Stephen Hemminger | ff81fbb | 2006-02-22 11:44:59 -0800 | [diff] [blame] | 2834 | if (ecmd->rx_max_coalesced_frames > RX_MAX_PENDING) |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 2835 | return -EINVAL; |
Stephen Hemminger | ff81fbb | 2006-02-22 11:44:59 -0800 | [diff] [blame] | 2836 | if (ecmd->rx_max_coalesced_frames_irq >RX_MAX_PENDING) |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 2837 | return -EINVAL; |
| 2838 | |
| 2839 | if (ecmd->tx_coalesce_usecs == 0) |
| 2840 | sky2_write8(hw, STAT_TX_TIMER_CTRL, TIM_STOP); |
| 2841 | else { |
| 2842 | sky2_write32(hw, STAT_TX_TIMER_INI, |
| 2843 | sky2_us2clk(hw, ecmd->tx_coalesce_usecs)); |
| 2844 | sky2_write8(hw, STAT_TX_TIMER_CTRL, TIM_START); |
| 2845 | } |
| 2846 | sky2_write16(hw, STAT_TX_IDX_TH, ecmd->tx_max_coalesced_frames); |
| 2847 | |
| 2848 | if (ecmd->rx_coalesce_usecs == 0) |
| 2849 | sky2_write8(hw, STAT_LEV_TIMER_CTRL, TIM_STOP); |
| 2850 | else { |
| 2851 | sky2_write32(hw, STAT_LEV_TIMER_INI, |
| 2852 | sky2_us2clk(hw, ecmd->rx_coalesce_usecs)); |
| 2853 | sky2_write8(hw, STAT_LEV_TIMER_CTRL, TIM_START); |
| 2854 | } |
| 2855 | sky2_write8(hw, STAT_FIFO_WM, ecmd->rx_max_coalesced_frames); |
| 2856 | |
| 2857 | if (ecmd->rx_coalesce_usecs_irq == 0) |
| 2858 | sky2_write8(hw, STAT_ISR_TIMER_CTRL, TIM_STOP); |
| 2859 | else { |
Stephen Hemminger | d28d487 | 2006-01-30 11:37:56 -0800 | [diff] [blame] | 2860 | sky2_write32(hw, STAT_ISR_TIMER_INI, |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 2861 | sky2_us2clk(hw, ecmd->rx_coalesce_usecs_irq)); |
| 2862 | sky2_write8(hw, STAT_ISR_TIMER_CTRL, TIM_START); |
| 2863 | } |
| 2864 | sky2_write8(hw, STAT_FIFO_ISR_WM, ecmd->rx_max_coalesced_frames_irq); |
| 2865 | return 0; |
| 2866 | } |
| 2867 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2868 | static void sky2_get_ringparam(struct net_device *dev, |
| 2869 | struct ethtool_ringparam *ering) |
| 2870 | { |
| 2871 | struct sky2_port *sky2 = netdev_priv(dev); |
| 2872 | |
| 2873 | ering->rx_max_pending = RX_MAX_PENDING; |
| 2874 | ering->rx_mini_max_pending = 0; |
| 2875 | ering->rx_jumbo_max_pending = 0; |
| 2876 | ering->tx_max_pending = TX_RING_SIZE - 1; |
| 2877 | |
| 2878 | ering->rx_pending = sky2->rx_pending; |
| 2879 | ering->rx_mini_pending = 0; |
| 2880 | ering->rx_jumbo_pending = 0; |
| 2881 | ering->tx_pending = sky2->tx_pending; |
| 2882 | } |
| 2883 | |
| 2884 | static int sky2_set_ringparam(struct net_device *dev, |
| 2885 | struct ethtool_ringparam *ering) |
| 2886 | { |
| 2887 | struct sky2_port *sky2 = netdev_priv(dev); |
| 2888 | int err = 0; |
| 2889 | |
| 2890 | if (ering->rx_pending > RX_MAX_PENDING || |
| 2891 | ering->rx_pending < 8 || |
| 2892 | ering->tx_pending < MAX_SKB_TX_LE || |
| 2893 | ering->tx_pending > TX_RING_SIZE - 1) |
| 2894 | return -EINVAL; |
| 2895 | |
| 2896 | if (netif_running(dev)) |
| 2897 | sky2_down(dev); |
| 2898 | |
| 2899 | sky2->rx_pending = ering->rx_pending; |
| 2900 | sky2->tx_pending = ering->tx_pending; |
| 2901 | |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 2902 | if (netif_running(dev)) { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2903 | err = sky2_up(dev); |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 2904 | if (err) |
| 2905 | dev_close(dev); |
Stephen Hemminger | 6ed995b | 2005-12-20 15:08:08 -0800 | [diff] [blame] | 2906 | else |
| 2907 | sky2_set_multicast(dev); |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 2908 | } |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2909 | |
| 2910 | return err; |
| 2911 | } |
| 2912 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2913 | static int sky2_get_regs_len(struct net_device *dev) |
| 2914 | { |
Stephen Hemminger | 6e4cbb3 | 2005-09-19 15:47:57 -0700 | [diff] [blame] | 2915 | return 0x4000; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2916 | } |
| 2917 | |
| 2918 | /* |
| 2919 | * Returns copy of control register region |
Stephen Hemminger | 6e4cbb3 | 2005-09-19 15:47:57 -0700 | [diff] [blame] | 2920 | * Note: access to the RAM address register set will cause timeouts. |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2921 | */ |
| 2922 | static void sky2_get_regs(struct net_device *dev, struct ethtool_regs *regs, |
| 2923 | void *p) |
| 2924 | { |
| 2925 | const struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2926 | const void __iomem *io = sky2->hw->regs; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2927 | |
Stephen Hemminger | 6e4cbb3 | 2005-09-19 15:47:57 -0700 | [diff] [blame] | 2928 | BUG_ON(regs->len < B3_RI_WTO_R1); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2929 | regs->version = 1; |
Stephen Hemminger | 6e4cbb3 | 2005-09-19 15:47:57 -0700 | [diff] [blame] | 2930 | memset(p, 0, regs->len); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2931 | |
Stephen Hemminger | 6e4cbb3 | 2005-09-19 15:47:57 -0700 | [diff] [blame] | 2932 | memcpy_fromio(p, io, B3_RAM_ADDR); |
| 2933 | |
| 2934 | memcpy_fromio(p + B3_RI_WTO_R1, |
| 2935 | io + B3_RI_WTO_R1, |
| 2936 | regs->len - B3_RI_WTO_R1); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2937 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2938 | |
| 2939 | static struct ethtool_ops sky2_ethtool_ops = { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2940 | .get_settings = sky2_get_settings, |
| 2941 | .set_settings = sky2_set_settings, |
| 2942 | .get_drvinfo = sky2_get_drvinfo, |
| 2943 | .get_msglevel = sky2_get_msglevel, |
| 2944 | .set_msglevel = sky2_set_msglevel, |
Stephen Hemminger | 9a7ae0a | 2005-09-27 15:28:42 -0700 | [diff] [blame] | 2945 | .nway_reset = sky2_nway_reset, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2946 | .get_regs_len = sky2_get_regs_len, |
| 2947 | .get_regs = sky2_get_regs, |
| 2948 | .get_link = ethtool_op_get_link, |
| 2949 | .get_sg = ethtool_op_get_sg, |
| 2950 | .set_sg = ethtool_op_set_sg, |
| 2951 | .get_tx_csum = ethtool_op_get_tx_csum, |
| 2952 | .set_tx_csum = ethtool_op_set_tx_csum, |
| 2953 | .get_tso = ethtool_op_get_tso, |
| 2954 | .set_tso = ethtool_op_set_tso, |
| 2955 | .get_rx_csum = sky2_get_rx_csum, |
| 2956 | .set_rx_csum = sky2_set_rx_csum, |
| 2957 | .get_strings = sky2_get_strings, |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 2958 | .get_coalesce = sky2_get_coalesce, |
| 2959 | .set_coalesce = sky2_set_coalesce, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2960 | .get_ringparam = sky2_get_ringparam, |
| 2961 | .set_ringparam = sky2_set_ringparam, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2962 | .get_pauseparam = sky2_get_pauseparam, |
| 2963 | .set_pauseparam = sky2_set_pauseparam, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2964 | .phys_id = sky2_phys_id, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2965 | .get_stats_count = sky2_get_stats_count, |
| 2966 | .get_ethtool_stats = sky2_get_ethtool_stats, |
Stephen Hemminger | 2995bfb | 2005-09-28 10:01:03 -0700 | [diff] [blame] | 2967 | .get_perm_addr = ethtool_op_get_perm_addr, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2968 | }; |
| 2969 | |
| 2970 | /* Initialize network device */ |
| 2971 | static __devinit struct net_device *sky2_init_netdev(struct sky2_hw *hw, |
| 2972 | unsigned port, int highmem) |
| 2973 | { |
| 2974 | struct sky2_port *sky2; |
| 2975 | struct net_device *dev = alloc_etherdev(sizeof(*sky2)); |
| 2976 | |
| 2977 | if (!dev) { |
| 2978 | printk(KERN_ERR "sky2 etherdev alloc failed"); |
| 2979 | return NULL; |
| 2980 | } |
| 2981 | |
| 2982 | SET_MODULE_OWNER(dev); |
| 2983 | SET_NETDEV_DEV(dev, &hw->pdev->dev); |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 2984 | dev->irq = hw->pdev->irq; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2985 | dev->open = sky2_up; |
| 2986 | dev->stop = sky2_down; |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 2987 | dev->do_ioctl = sky2_ioctl; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2988 | dev->hard_start_xmit = sky2_xmit_frame; |
| 2989 | dev->get_stats = sky2_get_stats; |
| 2990 | dev->set_multicast_list = sky2_set_multicast; |
| 2991 | dev->set_mac_address = sky2_set_mac_address; |
| 2992 | dev->change_mtu = sky2_change_mtu; |
| 2993 | SET_ETHTOOL_OPS(dev, &sky2_ethtool_ops); |
| 2994 | dev->tx_timeout = sky2_tx_timeout; |
| 2995 | dev->watchdog_timeo = TX_WATCHDOG; |
| 2996 | if (port == 0) |
| 2997 | dev->poll = sky2_poll; |
| 2998 | dev->weight = NAPI_WEIGHT; |
| 2999 | #ifdef CONFIG_NET_POLL_CONTROLLER |
| 3000 | dev->poll_controller = sky2_netpoll; |
| 3001 | #endif |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3002 | |
| 3003 | sky2 = netdev_priv(dev); |
| 3004 | sky2->netdev = dev; |
| 3005 | sky2->hw = hw; |
| 3006 | sky2->msg_enable = netif_msg_init(debug, default_msg); |
| 3007 | |
| 3008 | spin_lock_init(&sky2->tx_lock); |
| 3009 | /* Auto speed and flow control */ |
| 3010 | sky2->autoneg = AUTONEG_ENABLE; |
Stephen Hemminger | 585b5601 | 2005-12-09 11:35:10 -0800 | [diff] [blame] | 3011 | sky2->tx_pause = 1; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3012 | sky2->rx_pause = 1; |
| 3013 | sky2->duplex = -1; |
| 3014 | sky2->speed = -1; |
| 3015 | sky2->advertising = sky2_supported_modes(hw); |
Stephen Hemminger | 75d070c | 2005-12-09 11:35:11 -0800 | [diff] [blame] | 3016 | |
Stephen Hemminger | d89e134 | 2006-03-20 15:48:20 -0800 | [diff] [blame] | 3017 | /* Receive checksum disabled for Yukon XL |
Stephen Hemminger | 75d070c | 2005-12-09 11:35:11 -0800 | [diff] [blame] | 3018 | * because of observed problems with incorrect |
| 3019 | * values when multiple packets are received in one interrupt |
| 3020 | */ |
| 3021 | sky2->rx_csum = (hw->chip_id != CHIP_ID_YUKON_XL); |
| 3022 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 3023 | spin_lock_init(&sky2->phy_lock); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3024 | sky2->tx_pending = TX_DEF_PENDING; |
Stephen Hemminger | 290d4de | 2006-03-20 15:48:15 -0800 | [diff] [blame] | 3025 | sky2->rx_pending = RX_DEF_PENDING; |
Stephen Hemminger | 734d186 | 2005-12-09 11:35:00 -0800 | [diff] [blame] | 3026 | sky2->rx_bufsize = sky2_buf_size(ETH_DATA_LEN); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3027 | |
| 3028 | hw->dev[port] = dev; |
| 3029 | |
| 3030 | sky2->port = port; |
| 3031 | |
shemminger@osdl.org | 5a5b1ea | 2005-11-30 11:45:15 -0800 | [diff] [blame] | 3032 | dev->features |= NETIF_F_LLTX; |
| 3033 | if (hw->chip_id != CHIP_ID_YUKON_EC_U) |
| 3034 | dev->features |= NETIF_F_TSO; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3035 | if (highmem) |
| 3036 | dev->features |= NETIF_F_HIGHDMA; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3037 | dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3038 | |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 3039 | #ifdef SKY2_VLAN_TAG_USED |
| 3040 | dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; |
| 3041 | dev->vlan_rx_register = sky2_vlan_rx_register; |
| 3042 | dev->vlan_rx_kill_vid = sky2_vlan_rx_kill_vid; |
| 3043 | #endif |
| 3044 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3045 | /* read the mac address */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3046 | 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] | 3047 | memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3048 | |
| 3049 | /* device is off until link detection */ |
| 3050 | netif_carrier_off(dev); |
| 3051 | netif_stop_queue(dev); |
| 3052 | |
| 3053 | return dev; |
| 3054 | } |
| 3055 | |
Stephen Hemminger | 28bd181 | 2006-01-17 13:43:19 -0800 | [diff] [blame] | 3056 | static void __devinit sky2_show_addr(struct net_device *dev) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3057 | { |
| 3058 | const struct sky2_port *sky2 = netdev_priv(dev); |
| 3059 | |
| 3060 | if (netif_msg_probe(sky2)) |
| 3061 | printk(KERN_INFO PFX "%s: addr %02x:%02x:%02x:%02x:%02x:%02x\n", |
| 3062 | dev->name, |
| 3063 | dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2], |
| 3064 | dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]); |
| 3065 | } |
| 3066 | |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 3067 | /* Handle software interrupt used during MSI test */ |
| 3068 | static irqreturn_t __devinit sky2_test_intr(int irq, void *dev_id, |
| 3069 | struct pt_regs *regs) |
| 3070 | { |
| 3071 | struct sky2_hw *hw = dev_id; |
| 3072 | u32 status = sky2_read32(hw, B0_Y2_SP_ISRC2); |
| 3073 | |
| 3074 | if (status == 0) |
| 3075 | return IRQ_NONE; |
| 3076 | |
| 3077 | if (status & Y2_IS_IRQ_SW) { |
| 3078 | hw->msi_detected = 1; |
| 3079 | wake_up(&hw->msi_wait); |
| 3080 | sky2_write8(hw, B0_CTST, CS_CL_SW_IRQ); |
| 3081 | } |
| 3082 | sky2_write32(hw, B0_Y2_SP_ICR, 2); |
| 3083 | |
| 3084 | return IRQ_HANDLED; |
| 3085 | } |
| 3086 | |
| 3087 | /* Test interrupt path by forcing a a software IRQ */ |
| 3088 | static int __devinit sky2_test_msi(struct sky2_hw *hw) |
| 3089 | { |
| 3090 | struct pci_dev *pdev = hw->pdev; |
| 3091 | int err; |
| 3092 | |
| 3093 | sky2_write32(hw, B0_IMSK, Y2_IS_IRQ_SW); |
| 3094 | |
| 3095 | err = request_irq(pdev->irq, sky2_test_intr, SA_SHIRQ, DRV_NAME, hw); |
| 3096 | if (err) { |
| 3097 | printk(KERN_ERR PFX "%s: cannot assign irq %d\n", |
| 3098 | pci_name(pdev), pdev->irq); |
| 3099 | return err; |
| 3100 | } |
| 3101 | |
| 3102 | init_waitqueue_head (&hw->msi_wait); |
| 3103 | |
| 3104 | sky2_write8(hw, B0_CTST, CS_ST_SW_IRQ); |
| 3105 | wmb(); |
| 3106 | |
| 3107 | wait_event_timeout(hw->msi_wait, hw->msi_detected, HZ/10); |
| 3108 | |
| 3109 | if (!hw->msi_detected) { |
| 3110 | /* MSI test failed, go back to INTx mode */ |
| 3111 | printk(KERN_WARNING PFX "%s: No interrupt was generated using MSI, " |
| 3112 | "switching to INTx mode. Please report this failure to " |
| 3113 | "the PCI maintainer and include system chipset information.\n", |
| 3114 | pci_name(pdev)); |
| 3115 | |
| 3116 | err = -EOPNOTSUPP; |
| 3117 | sky2_write8(hw, B0_CTST, CS_CL_SW_IRQ); |
| 3118 | } |
| 3119 | |
| 3120 | sky2_write32(hw, B0_IMSK, 0); |
| 3121 | |
| 3122 | free_irq(pdev->irq, hw); |
| 3123 | |
| 3124 | return err; |
| 3125 | } |
| 3126 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3127 | static int __devinit sky2_probe(struct pci_dev *pdev, |
| 3128 | const struct pci_device_id *ent) |
| 3129 | { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3130 | struct net_device *dev, *dev1 = NULL; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3131 | struct sky2_hw *hw; |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 3132 | int err, pm_cap, using_dac = 0; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3133 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3134 | err = pci_enable_device(pdev); |
| 3135 | if (err) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3136 | printk(KERN_ERR PFX "%s cannot enable PCI device\n", |
| 3137 | pci_name(pdev)); |
| 3138 | goto err_out; |
| 3139 | } |
| 3140 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3141 | err = pci_request_regions(pdev, DRV_NAME); |
| 3142 | if (err) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3143 | printk(KERN_ERR PFX "%s cannot obtain PCI resources\n", |
| 3144 | pci_name(pdev)); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3145 | goto err_out; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3146 | } |
| 3147 | |
| 3148 | pci_set_master(pdev); |
| 3149 | |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 3150 | /* Find power-management capability. */ |
| 3151 | pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM); |
| 3152 | if (pm_cap == 0) { |
| 3153 | printk(KERN_ERR PFX "Cannot find PowerManagement capability, " |
| 3154 | "aborting.\n"); |
| 3155 | err = -EIO; |
| 3156 | goto err_out_free_regions; |
| 3157 | } |
| 3158 | |
Stephen Hemminger | d1f3d4d | 2006-01-17 13:43:11 -0800 | [diff] [blame] | 3159 | if (sizeof(dma_addr_t) > sizeof(u32) && |
| 3160 | !(err = pci_set_dma_mask(pdev, DMA_64BIT_MASK))) { |
| 3161 | using_dac = 1; |
| 3162 | err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK); |
| 3163 | if (err < 0) { |
| 3164 | printk(KERN_ERR PFX "%s unable to obtain 64 bit DMA " |
| 3165 | "for consistent allocations\n", pci_name(pdev)); |
| 3166 | goto err_out_free_regions; |
| 3167 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3168 | |
Stephen Hemminger | d1f3d4d | 2006-01-17 13:43:11 -0800 | [diff] [blame] | 3169 | } else { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3170 | err = pci_set_dma_mask(pdev, DMA_32BIT_MASK); |
| 3171 | if (err) { |
| 3172 | printk(KERN_ERR PFX "%s no usable DMA configuration\n", |
| 3173 | pci_name(pdev)); |
| 3174 | goto err_out_free_regions; |
| 3175 | } |
| 3176 | } |
Stephen Hemminger | d1f3d4d | 2006-01-17 13:43:11 -0800 | [diff] [blame] | 3177 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3178 | err = -ENOMEM; |
Stephen Hemminger | 6aad85d | 2006-01-17 13:43:18 -0800 | [diff] [blame] | 3179 | hw = kzalloc(sizeof(*hw), GFP_KERNEL); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3180 | if (!hw) { |
| 3181 | printk(KERN_ERR PFX "%s: cannot allocate hardware struct\n", |
| 3182 | pci_name(pdev)); |
| 3183 | goto err_out_free_regions; |
| 3184 | } |
| 3185 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3186 | hw->pdev = pdev; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3187 | |
| 3188 | hw->regs = ioremap_nocache(pci_resource_start(pdev, 0), 0x4000); |
| 3189 | if (!hw->regs) { |
| 3190 | printk(KERN_ERR PFX "%s: cannot map device registers\n", |
| 3191 | pci_name(pdev)); |
| 3192 | goto err_out_free_hw; |
| 3193 | } |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 3194 | hw->pm_cap = pm_cap; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3195 | |
Stephen Hemminger | 56a645c | 2006-02-22 11:45:02 -0800 | [diff] [blame] | 3196 | #ifdef __BIG_ENDIAN |
| 3197 | /* byte swap descriptors in hardware */ |
| 3198 | { |
| 3199 | u32 reg; |
| 3200 | |
| 3201 | reg = sky2_pci_read32(hw, PCI_DEV_REG2); |
| 3202 | reg |= PCI_REV_DESC; |
| 3203 | sky2_pci_write32(hw, PCI_DEV_REG2, reg); |
| 3204 | } |
| 3205 | #endif |
| 3206 | |
Stephen Hemminger | 08c06d8 | 2006-01-30 11:37:54 -0800 | [diff] [blame] | 3207 | /* ring for status responses */ |
| 3208 | hw->st_le = pci_alloc_consistent(hw->pdev, STATUS_LE_BYTES, |
| 3209 | &hw->st_dma); |
| 3210 | if (!hw->st_le) |
| 3211 | goto err_out_iounmap; |
| 3212 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3213 | err = sky2_reset(hw); |
| 3214 | if (err) |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3215 | goto err_out_iounmap; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3216 | |
shemminger@osdl.org | 5f4f9dc | 2005-11-30 11:45:23 -0800 | [diff] [blame] | 3217 | printk(KERN_INFO PFX "v%s addr 0x%lx irq %d Yukon-%s (0x%x) rev %d\n", |
| 3218 | DRV_VERSION, pci_resource_start(pdev, 0), pdev->irq, |
Stephen Hemminger | 92f965e | 2005-12-09 11:34:53 -0800 | [diff] [blame] | 3219 | yukon2_name[hw->chip_id - CHIP_ID_YUKON_XL], |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3220 | hw->chip_id, hw->chip_rev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3221 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3222 | dev = sky2_init_netdev(hw, 0, using_dac); |
| 3223 | if (!dev) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3224 | goto err_out_free_pci; |
| 3225 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3226 | err = register_netdev(dev); |
| 3227 | if (err) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3228 | printk(KERN_ERR PFX "%s: cannot register net device\n", |
| 3229 | pci_name(pdev)); |
| 3230 | goto err_out_free_netdev; |
| 3231 | } |
| 3232 | |
| 3233 | sky2_show_addr(dev); |
| 3234 | |
| 3235 | if (hw->ports > 1 && (dev1 = sky2_init_netdev(hw, 1, using_dac))) { |
| 3236 | if (register_netdev(dev1) == 0) |
| 3237 | sky2_show_addr(dev1); |
| 3238 | else { |
| 3239 | /* Failure to register second port need not be fatal */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3240 | printk(KERN_WARNING PFX |
| 3241 | "register of second port failed\n"); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3242 | hw->dev[1] = NULL; |
| 3243 | free_netdev(dev1); |
| 3244 | } |
| 3245 | } |
| 3246 | |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 3247 | if (!disable_msi && pci_enable_msi(pdev) == 0) { |
| 3248 | err = sky2_test_msi(hw); |
| 3249 | if (err == -EOPNOTSUPP) |
| 3250 | pci_disable_msi(pdev); |
| 3251 | else if (err) |
| 3252 | goto err_out_unregister; |
| 3253 | } |
| 3254 | |
| 3255 | err = request_irq(pdev->irq, sky2_intr, SA_SHIRQ, DRV_NAME, hw); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3256 | if (err) { |
| 3257 | printk(KERN_ERR PFX "%s: cannot assign irq %d\n", |
| 3258 | pci_name(pdev), pdev->irq); |
| 3259 | goto err_out_unregister; |
| 3260 | } |
| 3261 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 3262 | sky2_write32(hw, B0_IMSK, Y2_IS_BASE); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3263 | |
| 3264 | pci_set_drvdata(pdev, hw); |
| 3265 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3266 | return 0; |
| 3267 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3268 | err_out_unregister: |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 3269 | pci_disable_msi(pdev); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3270 | if (dev1) { |
| 3271 | unregister_netdev(dev1); |
| 3272 | free_netdev(dev1); |
| 3273 | } |
| 3274 | unregister_netdev(dev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3275 | err_out_free_netdev: |
| 3276 | free_netdev(dev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3277 | err_out_free_pci: |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3278 | sky2_write8(hw, B0_CTST, CS_RST_SET); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3279 | pci_free_consistent(hw->pdev, STATUS_LE_BYTES, hw->st_le, hw->st_dma); |
| 3280 | err_out_iounmap: |
| 3281 | iounmap(hw->regs); |
| 3282 | err_out_free_hw: |
| 3283 | kfree(hw); |
| 3284 | err_out_free_regions: |
| 3285 | pci_release_regions(pdev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3286 | pci_disable_device(pdev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3287 | err_out: |
| 3288 | return err; |
| 3289 | } |
| 3290 | |
| 3291 | static void __devexit sky2_remove(struct pci_dev *pdev) |
| 3292 | { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3293 | struct sky2_hw *hw = pci_get_drvdata(pdev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3294 | struct net_device *dev0, *dev1; |
| 3295 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3296 | if (!hw) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3297 | return; |
| 3298 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3299 | dev0 = hw->dev[0]; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3300 | dev1 = hw->dev[1]; |
| 3301 | if (dev1) |
| 3302 | unregister_netdev(dev1); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3303 | unregister_netdev(dev0); |
| 3304 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3305 | sky2_write32(hw, B0_IMSK, 0); |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 3306 | sky2_set_power_state(hw, PCI_D3hot); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3307 | sky2_write16(hw, B0_Y2LED, LED_STAT_OFF); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3308 | sky2_write8(hw, B0_CTST, CS_RST_SET); |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 3309 | sky2_read8(hw, B0_CTST); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3310 | |
| 3311 | free_irq(pdev->irq, hw); |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 3312 | pci_disable_msi(pdev); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3313 | 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] | 3314 | pci_release_regions(pdev); |
| 3315 | pci_disable_device(pdev); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3316 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3317 | if (dev1) |
| 3318 | free_netdev(dev1); |
| 3319 | free_netdev(dev0); |
| 3320 | iounmap(hw->regs); |
| 3321 | kfree(hw); |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 3322 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3323 | pci_set_drvdata(pdev, NULL); |
| 3324 | } |
| 3325 | |
| 3326 | #ifdef CONFIG_PM |
| 3327 | static int sky2_suspend(struct pci_dev *pdev, pm_message_t state) |
| 3328 | { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3329 | struct sky2_hw *hw = pci_get_drvdata(pdev); |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 3330 | int i; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3331 | |
| 3332 | for (i = 0; i < 2; i++) { |
| 3333 | struct net_device *dev = hw->dev[i]; |
| 3334 | |
| 3335 | if (dev) { |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 3336 | if (!netif_running(dev)) |
| 3337 | continue; |
| 3338 | |
| 3339 | sky2_down(dev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3340 | netif_device_detach(dev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3341 | } |
| 3342 | } |
| 3343 | |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 3344 | return sky2_set_power_state(hw, pci_choose_state(pdev, state)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3345 | } |
| 3346 | |
| 3347 | static int sky2_resume(struct pci_dev *pdev) |
| 3348 | { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3349 | struct sky2_hw *hw = pci_get_drvdata(pdev); |
Stephen Hemminger | 08c06d8 | 2006-01-30 11:37:54 -0800 | [diff] [blame] | 3350 | int i, err; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3351 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3352 | pci_restore_state(pdev); |
| 3353 | pci_enable_wake(pdev, PCI_D0, 0); |
Stephen Hemminger | 08c06d8 | 2006-01-30 11:37:54 -0800 | [diff] [blame] | 3354 | err = sky2_set_power_state(hw, PCI_D0); |
| 3355 | if (err) |
| 3356 | goto out; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3357 | |
Stephen Hemminger | 08c06d8 | 2006-01-30 11:37:54 -0800 | [diff] [blame] | 3358 | err = sky2_reset(hw); |
| 3359 | if (err) |
| 3360 | goto out; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3361 | |
| 3362 | for (i = 0; i < 2; i++) { |
| 3363 | struct net_device *dev = hw->dev[i]; |
Stephen Hemminger | 08c06d8 | 2006-01-30 11:37:54 -0800 | [diff] [blame] | 3364 | if (dev && netif_running(dev)) { |
| 3365 | netif_device_attach(dev); |
| 3366 | err = sky2_up(dev); |
| 3367 | if (err) { |
| 3368 | printk(KERN_ERR PFX "%s: could not up: %d\n", |
| 3369 | dev->name, err); |
| 3370 | dev_close(dev); |
| 3371 | break; |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 3372 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3373 | } |
| 3374 | } |
Stephen Hemminger | 08c06d8 | 2006-01-30 11:37:54 -0800 | [diff] [blame] | 3375 | out: |
| 3376 | return err; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3377 | } |
| 3378 | #endif |
| 3379 | |
| 3380 | static struct pci_driver sky2_driver = { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3381 | .name = DRV_NAME, |
| 3382 | .id_table = sky2_id_table, |
| 3383 | .probe = sky2_probe, |
| 3384 | .remove = __devexit_p(sky2_remove), |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3385 | #ifdef CONFIG_PM |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3386 | .suspend = sky2_suspend, |
| 3387 | .resume = sky2_resume, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3388 | #endif |
| 3389 | }; |
| 3390 | |
| 3391 | static int __init sky2_init_module(void) |
| 3392 | { |
shemminger@osdl.org | 50241c4 | 2005-11-30 11:45:22 -0800 | [diff] [blame] | 3393 | return pci_register_driver(&sky2_driver); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3394 | } |
| 3395 | |
| 3396 | static void __exit sky2_cleanup_module(void) |
| 3397 | { |
| 3398 | pci_unregister_driver(&sky2_driver); |
| 3399 | } |
| 3400 | |
| 3401 | module_init(sky2_init_module); |
| 3402 | module_exit(sky2_cleanup_module); |
| 3403 | |
| 3404 | MODULE_DESCRIPTION("Marvell Yukon 2 Gigabit Ethernet driver"); |
| 3405 | MODULE_AUTHOR("Stephen Hemminger <shemminger@osdl.org>"); |
| 3406 | MODULE_LICENSE("GPL"); |
shemminger@osdl.org | 5f4f9dc | 2005-11-30 11:45:23 -0800 | [diff] [blame] | 3407 | MODULE_VERSION(DRV_VERSION); |