Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1 | /* |
| 2 | * New driver for Marvell Yukon 2 chipset. |
| 3 | * Based on earlier sk98lin, and skge driver. |
| 4 | * |
| 5 | * This driver intentionally does not support all the features |
| 6 | * of the original driver such as link fail-over and link management because |
| 7 | * those should be done at higher levels. |
| 8 | * |
| 9 | * Copyright (C) 2005 Stephen Hemminger <shemminger@osdl.org> |
| 10 | * |
| 11 | * This program is free software; you can redistribute it and/or modify |
| 12 | * it under the terms of the GNU General Public License as published by |
Stephen Hemminger | 798b6b1 | 2006-10-22 20:16:57 -0700 | [diff] [blame] | 13 | * the Free Software Foundation; either version 2 of the License. |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 14 | * |
| 15 | * This program is distributed in the hope that it will be useful, |
| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 18 | * GNU General Public License for more details. |
| 19 | * |
| 20 | * You should have received a copy of the GNU General Public License |
| 21 | * along with this program; if not, write to the Free Software |
| 22 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 23 | */ |
| 24 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 25 | #include <linux/crc32.h> |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 26 | #include <linux/kernel.h> |
| 27 | #include <linux/version.h> |
| 28 | #include <linux/module.h> |
| 29 | #include <linux/netdevice.h> |
Andrew Morton | d0bbccf | 2005-11-10 15:29:27 -0800 | [diff] [blame] | 30 | #include <linux/dma-mapping.h> |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 31 | #include <linux/etherdevice.h> |
| 32 | #include <linux/ethtool.h> |
| 33 | #include <linux/pci.h> |
| 34 | #include <linux/ip.h> |
| 35 | #include <linux/tcp.h> |
| 36 | #include <linux/in.h> |
| 37 | #include <linux/delay.h> |
Stephen Hemminger | 91c86df | 2005-12-09 11:34:57 -0800 | [diff] [blame] | 38 | #include <linux/workqueue.h> |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 39 | #include <linux/if_vlan.h> |
Stephen Hemminger | d70cd51 | 2005-12-09 11:35:09 -0800 | [diff] [blame] | 40 | #include <linux/prefetch.h> |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 41 | #include <linux/mii.h> |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 42 | |
| 43 | #include <asm/irq.h> |
| 44 | |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 45 | #if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE) |
| 46 | #define SKY2_VLAN_TAG_USED 1 |
| 47 | #endif |
| 48 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 49 | #include "sky2.h" |
| 50 | |
| 51 | #define DRV_NAME "sky2" |
Stephen Hemminger | 52c89ca | 2006-10-17 10:24:18 -0700 | [diff] [blame] | 52 | #define DRV_VERSION "1.10" |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 53 | #define PFX DRV_NAME " " |
| 54 | |
| 55 | /* |
| 56 | * The Yukon II chipset takes 64 bit command blocks (called list elements) |
| 57 | * that are organized into three (receive, transmit, status) different rings |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 58 | * similar to Tigon3. |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 59 | */ |
| 60 | |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 61 | #define RX_LE_SIZE 1024 |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 62 | #define RX_LE_BYTES (RX_LE_SIZE*sizeof(struct sky2_rx_le)) |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 63 | #define RX_MAX_PENDING (RX_LE_SIZE/6 - 2) |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 64 | #define RX_DEF_PENDING RX_MAX_PENDING |
Stephen Hemminger | 82788c7 | 2006-01-17 13:43:10 -0800 | [diff] [blame] | 65 | #define RX_SKB_ALIGN 8 |
Stephen Hemminger | 22e1170 | 2006-07-12 15:23:48 -0700 | [diff] [blame] | 66 | #define RX_BUF_WRITE 16 |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 67 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 68 | #define TX_RING_SIZE 512 |
| 69 | #define TX_DEF_PENDING (TX_RING_SIZE - 1) |
| 70 | #define TX_MIN_PENDING 64 |
Stephen Hemminger | b19666d | 2006-03-07 11:06:36 -0800 | [diff] [blame] | 71 | #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] | 72 | |
| 73 | #define STATUS_RING_SIZE 2048 /* 2 ports * (TX + 2*RX) */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 74 | #define STATUS_LE_BYTES (STATUS_RING_SIZE*sizeof(struct sky2_status_le)) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 75 | #define TX_WATCHDOG (5 * HZ) |
| 76 | #define NAPI_WEIGHT 64 |
| 77 | #define PHY_RETRIES 1000 |
| 78 | |
Stephen Hemminger | cb5d954 | 2006-05-08 15:11:29 -0700 | [diff] [blame] | 79 | #define RING_NEXT(x,s) (((x)+1) & ((s)-1)) |
| 80 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 81 | static const u32 default_msg = |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 82 | NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK |
| 83 | | NETIF_MSG_TIMER | NETIF_MSG_TX_ERR | NETIF_MSG_RX_ERR |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 84 | | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 85 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 86 | static int debug = -1; /* defaults above */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 87 | module_param(debug, int, 0); |
| 88 | MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)"); |
| 89 | |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 90 | static int copybreak __read_mostly = 128; |
Stephen Hemminger | bdb5c58 | 2005-12-09 11:34:55 -0800 | [diff] [blame] | 91 | module_param(copybreak, int, 0); |
| 92 | MODULE_PARM_DESC(copybreak, "Receive copy threshold"); |
| 93 | |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 94 | static int disable_msi = 0; |
| 95 | module_param(disable_msi, int, 0); |
| 96 | MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)"); |
| 97 | |
Stephen Hemminger | e561a83 | 2006-10-17 10:20:51 -0700 | [diff] [blame] | 98 | static int idle_timeout = 0; |
Stephen Hemminger | 01bd756 | 2006-05-08 15:11:30 -0700 | [diff] [blame] | 99 | module_param(idle_timeout, int, 0); |
Stephen Hemminger | e561a83 | 2006-10-17 10:20:51 -0700 | [diff] [blame] | 100 | MODULE_PARM_DESC(idle_timeout, "Watchdog timer for lost interrupts (ms)"); |
Stephen Hemminger | 01bd756 | 2006-05-08 15:11:30 -0700 | [diff] [blame] | 101 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 102 | static const struct pci_device_id sky2_id_table[] = { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 103 | { PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9000) }, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 104 | { PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9E00) }, |
Stephen Hemminger | 2d2a387 | 2006-05-17 14:37:04 -0700 | [diff] [blame] | 105 | { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4b00) }, /* DGE-560T */ |
Stephen Hemminger | 2f4a66a | 2006-09-01 14:52:04 -0700 | [diff] [blame] | 106 | { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4001) }, /* DGE-550SX */ |
Stephen Hemminger | 508f89e | 2006-12-01 14:29:34 -0800 | [diff] [blame] | 107 | { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4B02) }, /* DGE-560SX */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 108 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4340) }, |
| 109 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4341) }, |
| 110 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4342) }, |
| 111 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4343) }, |
| 112 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4344) }, |
| 113 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4345) }, |
| 114 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4346) }, |
| 115 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4347) }, |
| 116 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4350) }, |
| 117 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4351) }, |
shemminger@osdl.org | 5a5b1ea | 2005-11-30 11:45:15 -0800 | [diff] [blame] | 118 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4352) }, |
Stephen Hemminger | 2f4a66a | 2006-09-01 14:52:04 -0700 | [diff] [blame] | 119 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4353) }, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 120 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4360) }, |
| 121 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4361) }, |
| 122 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4362) }, |
shemminger@osdl.org | 5a5b1ea | 2005-11-30 11:45:15 -0800 | [diff] [blame] | 123 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4363) }, |
Stephen Hemminger | 5f5d83f | 2006-07-17 15:38:32 -0400 | [diff] [blame] | 124 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4364) }, |
Stephen Hemminger | 57fa442 | 2006-07-29 17:21:55 -0700 | [diff] [blame] | 125 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4365) }, |
| 126 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4366) }, |
| 127 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4367) }, |
| 128 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4368) }, |
Stephen Hemminger | 2f4a66a | 2006-09-01 14:52:04 -0700 | [diff] [blame] | 129 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4369) }, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 130 | { 0 } |
| 131 | }; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 132 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 133 | MODULE_DEVICE_TABLE(pci, sky2_id_table); |
| 134 | |
| 135 | /* Avoid conditionals by using array */ |
| 136 | static const unsigned txqaddr[] = { Q_XA1, Q_XA2 }; |
| 137 | static const unsigned rxqaddr[] = { Q_R1, Q_R2 }; |
Stephen Hemminger | f4ea431 | 2006-05-09 14:46:54 -0700 | [diff] [blame] | 138 | static const u32 portirq_msk[] = { Y2_IS_PORT_1, Y2_IS_PORT_2 }; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 139 | |
Stephen Hemminger | 92f965e | 2005-12-09 11:34:53 -0800 | [diff] [blame] | 140 | /* This driver supports yukon2 chipset only */ |
| 141 | static const char *yukon2_name[] = { |
| 142 | "XL", /* 0xb3 */ |
| 143 | "EC Ultra", /* 0xb4 */ |
| 144 | "UNKNOWN", /* 0xb5 */ |
| 145 | "EC", /* 0xb6 */ |
| 146 | "FE", /* 0xb7 */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 147 | }; |
| 148 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 149 | /* Access to external PHY */ |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 150 | 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] | 151 | { |
| 152 | int i; |
| 153 | |
| 154 | gma_write16(hw, port, GM_SMI_DATA, val); |
| 155 | gma_write16(hw, port, GM_SMI_CTRL, |
| 156 | GM_SMI_CT_PHY_AD(PHY_ADDR_MARV) | GM_SMI_CT_REG_AD(reg)); |
| 157 | |
| 158 | for (i = 0; i < PHY_RETRIES; i++) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 159 | 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] | 160 | return 0; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 161 | udelay(1); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 162 | } |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 163 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 164 | 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] | 165 | return -ETIMEDOUT; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 166 | } |
| 167 | |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 168 | 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] | 169 | { |
| 170 | int i; |
| 171 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 172 | 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] | 173 | | GM_SMI_CT_REG_AD(reg) | GM_SMI_CT_OP_RD); |
| 174 | |
| 175 | for (i = 0; i < PHY_RETRIES; i++) { |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 176 | if (gma_read16(hw, port, GM_SMI_CTRL) & GM_SMI_CT_RD_VAL) { |
| 177 | *val = gma_read16(hw, port, GM_SMI_DATA); |
| 178 | return 0; |
| 179 | } |
| 180 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 181 | udelay(1); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 182 | } |
| 183 | |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 184 | return -ETIMEDOUT; |
| 185 | } |
| 186 | |
| 187 | static u16 gm_phy_read(struct sky2_hw *hw, unsigned port, u16 reg) |
| 188 | { |
| 189 | u16 v; |
| 190 | |
| 191 | if (__gm_phy_read(hw, port, reg, &v) != 0) |
| 192 | printk(KERN_WARNING PFX "%s: phy read timeout\n", hw->dev[port]->name); |
| 193 | return v; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 194 | } |
| 195 | |
Stephen Hemminger | 2ccc99b | 2006-06-13 17:17:27 +0900 | [diff] [blame] | 196 | static void sky2_set_power_state(struct sky2_hw *hw, pci_power_t state) |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 197 | { |
| 198 | u16 power_control; |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 199 | int vaux; |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 200 | |
| 201 | pr_debug("sky2_set_power_state %d\n", state); |
| 202 | sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON); |
| 203 | |
Stephen Hemminger | 56a645c | 2006-02-22 11:45:02 -0800 | [diff] [blame] | 204 | power_control = sky2_pci_read16(hw, hw->pm_cap + PCI_PM_PMC); |
Stephen Hemminger | 08c06d8 | 2006-01-30 11:37:54 -0800 | [diff] [blame] | 205 | vaux = (sky2_read16(hw, B0_CTST) & Y2_VAUX_AVAIL) && |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 206 | (power_control & PCI_PM_CAP_PME_D3cold); |
| 207 | |
Stephen Hemminger | 56a645c | 2006-02-22 11:45:02 -0800 | [diff] [blame] | 208 | 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] | 209 | |
| 210 | power_control |= PCI_PM_CTRL_PME_STATUS; |
| 211 | power_control &= ~(PCI_PM_CTRL_STATE_MASK); |
| 212 | |
| 213 | switch (state) { |
| 214 | case PCI_D0: |
| 215 | /* switch power to VCC (WA for VAUX problem) */ |
| 216 | sky2_write8(hw, B0_POWER_CTRL, |
| 217 | PC_VAUX_ENA | PC_VCC_ENA | PC_VAUX_OFF | PC_VCC_ON); |
| 218 | |
| 219 | /* disable Core Clock Division, */ |
| 220 | sky2_write32(hw, B2_Y2_CLK_CTRL, Y2_CLK_DIV_DIS); |
| 221 | |
| 222 | if (hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev > 1) |
| 223 | /* enable bits are inverted */ |
| 224 | sky2_write8(hw, B2_Y2_CLK_GATE, |
| 225 | Y2_PCI_CLK_LNK1_DIS | Y2_COR_CLK_LNK1_DIS | |
| 226 | Y2_CLK_GAT_LNK1_DIS | Y2_PCI_CLK_LNK2_DIS | |
| 227 | Y2_COR_CLK_LNK2_DIS | Y2_CLK_GAT_LNK2_DIS); |
| 228 | else |
| 229 | sky2_write8(hw, B2_Y2_CLK_GATE, 0); |
| 230 | |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 231 | if (hw->chip_id == CHIP_ID_YUKON_EC_U) { |
shemminger@osdl.org | d3bcfbe | 2006-08-28 10:00:51 -0700 | [diff] [blame] | 232 | u32 reg1; |
| 233 | |
Stephen Hemminger | 56a645c | 2006-02-22 11:45:02 -0800 | [diff] [blame] | 234 | sky2_pci_write32(hw, PCI_DEV_REG3, 0); |
| 235 | reg1 = sky2_pci_read32(hw, PCI_DEV_REG4); |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 236 | reg1 &= P_ASPM_CONTROL_MSK; |
Stephen Hemminger | 56a645c | 2006-02-22 11:45:02 -0800 | [diff] [blame] | 237 | sky2_pci_write32(hw, PCI_DEV_REG4, reg1); |
| 238 | sky2_pci_write32(hw, PCI_DEV_REG5, 0); |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 239 | } |
| 240 | |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 241 | break; |
| 242 | |
| 243 | case PCI_D3hot: |
| 244 | case PCI_D3cold: |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 245 | if (hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev > 1) |
| 246 | sky2_write8(hw, B2_Y2_CLK_GATE, 0); |
| 247 | else |
| 248 | /* enable bits are inverted */ |
| 249 | sky2_write8(hw, B2_Y2_CLK_GATE, |
| 250 | Y2_PCI_CLK_LNK1_DIS | Y2_COR_CLK_LNK1_DIS | |
| 251 | Y2_CLK_GAT_LNK1_DIS | Y2_PCI_CLK_LNK2_DIS | |
| 252 | Y2_COR_CLK_LNK2_DIS | Y2_CLK_GAT_LNK2_DIS); |
| 253 | |
| 254 | /* switch power to VAUX */ |
| 255 | if (vaux && state != PCI_D3cold) |
| 256 | sky2_write8(hw, B0_POWER_CTRL, |
| 257 | (PC_VAUX_ENA | PC_VCC_ENA | |
| 258 | PC_VAUX_ON | PC_VCC_OFF)); |
| 259 | break; |
| 260 | default: |
| 261 | printk(KERN_ERR PFX "Unknown power state %d\n", state); |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 262 | } |
| 263 | |
Stephen Hemminger | 56a645c | 2006-02-22 11:45:02 -0800 | [diff] [blame] | 264 | 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] | 265 | sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF); |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 266 | } |
| 267 | |
shemminger@osdl.org | d3bcfbe | 2006-08-28 10:00:51 -0700 | [diff] [blame] | 268 | static void sky2_gmac_reset(struct sky2_hw *hw, unsigned port) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 269 | { |
| 270 | u16 reg; |
| 271 | |
| 272 | /* disable all GMAC IRQ's */ |
| 273 | sky2_write8(hw, SK_REG(port, GMAC_IRQ_MSK), 0); |
| 274 | /* disable PHY IRQs */ |
| 275 | gm_phy_write(hw, port, PHY_MARV_INT_MASK, 0); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 276 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 277 | gma_write16(hw, port, GM_MC_ADDR_H1, 0); /* clear MC hash */ |
| 278 | gma_write16(hw, port, GM_MC_ADDR_H2, 0); |
| 279 | gma_write16(hw, port, GM_MC_ADDR_H3, 0); |
| 280 | gma_write16(hw, port, GM_MC_ADDR_H4, 0); |
| 281 | |
| 282 | reg = gma_read16(hw, port, GM_RX_CTRL); |
| 283 | reg |= GM_RXCR_UCF_ENA | GM_RXCR_MCF_ENA; |
| 284 | gma_write16(hw, port, GM_RX_CTRL, reg); |
| 285 | } |
| 286 | |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 287 | /* flow control to advertise bits */ |
| 288 | static const u16 copper_fc_adv[] = { |
| 289 | [FC_NONE] = 0, |
| 290 | [FC_TX] = PHY_M_AN_ASP, |
| 291 | [FC_RX] = PHY_M_AN_PC, |
| 292 | [FC_BOTH] = PHY_M_AN_PC | PHY_M_AN_ASP, |
| 293 | }; |
| 294 | |
| 295 | /* flow control to advertise bits when using 1000BaseX */ |
| 296 | static const u16 fiber_fc_adv[] = { |
| 297 | [FC_BOTH] = PHY_M_P_BOTH_MD_X, |
| 298 | [FC_TX] = PHY_M_P_ASYM_MD_X, |
| 299 | [FC_RX] = PHY_M_P_SYM_MD_X, |
| 300 | [FC_NONE] = PHY_M_P_NO_PAUSE_X, |
| 301 | }; |
| 302 | |
| 303 | /* flow control to GMA disable bits */ |
| 304 | static const u16 gm_fc_disable[] = { |
| 305 | [FC_NONE] = GM_GPCR_FC_RX_DIS | GM_GPCR_FC_TX_DIS, |
| 306 | [FC_TX] = GM_GPCR_FC_RX_DIS, |
| 307 | [FC_RX] = GM_GPCR_FC_TX_DIS, |
| 308 | [FC_BOTH] = 0, |
| 309 | }; |
| 310 | |
| 311 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 312 | static void sky2_phy_init(struct sky2_hw *hw, unsigned port) |
| 313 | { |
| 314 | struct sky2_port *sky2 = netdev_priv(hw->dev[port]); |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 315 | u16 ctrl, ct1000, adv, pg, ledctrl, ledover, reg; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 316 | |
Stephen Hemminger | ed6d32c | 2006-05-08 15:11:33 -0700 | [diff] [blame] | 317 | if (sky2->autoneg == AUTONEG_ENABLE && |
Stephen Hemminger | 86a31a7 | 2006-05-17 14:37:05 -0700 | [diff] [blame] | 318 | !(hw->chip_id == CHIP_ID_YUKON_XL || hw->chip_id == CHIP_ID_YUKON_EC_U)) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 319 | u16 ectrl = gm_phy_read(hw, port, PHY_MARV_EXT_CTRL); |
| 320 | |
| 321 | 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] | 322 | PHY_M_EC_MAC_S_MSK); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 323 | ectrl |= PHY_M_EC_MAC_S(MAC_TX_CLK_25_MHZ); |
| 324 | |
| 325 | if (hw->chip_id == CHIP_ID_YUKON_EC) |
| 326 | ectrl |= PHY_M_EC_DSC_2(2) | PHY_M_EC_DOWN_S_ENA; |
| 327 | else |
| 328 | ectrl |= PHY_M_EC_M_DSC(2) | PHY_M_EC_S_DSC(3); |
| 329 | |
| 330 | gm_phy_write(hw, port, PHY_MARV_EXT_CTRL, ectrl); |
| 331 | } |
| 332 | |
| 333 | ctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL); |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 334 | if (sky2_is_copper(hw)) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 335 | if (hw->chip_id == CHIP_ID_YUKON_FE) { |
| 336 | /* enable automatic crossover */ |
| 337 | ctrl |= PHY_M_PC_MDI_XMODE(PHY_M_PC_ENA_AUTO) >> 1; |
| 338 | } else { |
| 339 | /* disable energy detect */ |
| 340 | ctrl &= ~PHY_M_PC_EN_DET_MSK; |
| 341 | |
| 342 | /* enable automatic crossover */ |
| 343 | ctrl |= PHY_M_PC_MDI_XMODE(PHY_M_PC_ENA_AUTO); |
| 344 | |
| 345 | if (sky2->autoneg == AUTONEG_ENABLE && |
Stephen Hemminger | ed6d32c | 2006-05-08 15:11:33 -0700 | [diff] [blame] | 346 | (hw->chip_id == CHIP_ID_YUKON_XL || hw->chip_id == CHIP_ID_YUKON_EC_U)) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 347 | ctrl &= ~PHY_M_PC_DSC_MSK; |
| 348 | ctrl |= PHY_M_PC_DSC(2) | PHY_M_PC_DOWN_S_ENA; |
| 349 | } |
| 350 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 351 | } else { |
| 352 | /* workaround for deviation #4.88 (CRC errors) */ |
| 353 | /* disable Automatic Crossover */ |
| 354 | |
| 355 | ctrl &= ~PHY_M_PC_MDIX_MSK; |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 356 | } |
| 357 | |
| 358 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl); |
| 359 | |
| 360 | /* special setup for PHY 88E1112 Fiber */ |
| 361 | if (hw->chip_id == CHIP_ID_YUKON_XL && !sky2_is_copper(hw)) { |
| 362 | pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); |
| 363 | |
| 364 | /* Fiber: select 1000BASE-X only mode MAC Specific Ctrl Reg. */ |
| 365 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 2); |
| 366 | ctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL); |
| 367 | ctrl &= ~PHY_M_MAC_MD_MSK; |
| 368 | ctrl |= PHY_M_MAC_MODE_SEL(PHY_M_MAC_MD_1000BX); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 369 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl); |
| 370 | |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 371 | if (hw->pmd_type == 'P') { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 372 | /* select page 1 to access Fiber registers */ |
| 373 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 1); |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 374 | |
| 375 | /* for SFP-module set SIGDET polarity to low */ |
| 376 | ctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL); |
| 377 | ctrl |= PHY_M_FIB_SIGD_POL; |
| 378 | gm_phy_write(hw, port, PHY_MARV_CTRL, ctrl); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 379 | } |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 380 | |
| 381 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 382 | } |
| 383 | |
Stephen Hemminger | 7800fdd | 2006-10-17 10:24:10 -0700 | [diff] [blame] | 384 | ctrl = PHY_CT_RESET; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 385 | ct1000 = 0; |
| 386 | adv = PHY_AN_CSMA; |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 387 | reg = 0; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 388 | |
| 389 | if (sky2->autoneg == AUTONEG_ENABLE) { |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 390 | if (sky2_is_copper(hw)) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 391 | if (sky2->advertising & ADVERTISED_1000baseT_Full) |
| 392 | ct1000 |= PHY_M_1000C_AFD; |
| 393 | if (sky2->advertising & ADVERTISED_1000baseT_Half) |
| 394 | ct1000 |= PHY_M_1000C_AHD; |
| 395 | if (sky2->advertising & ADVERTISED_100baseT_Full) |
| 396 | adv |= PHY_M_AN_100_FD; |
| 397 | if (sky2->advertising & ADVERTISED_100baseT_Half) |
| 398 | adv |= PHY_M_AN_100_HD; |
| 399 | if (sky2->advertising & ADVERTISED_10baseT_Full) |
| 400 | adv |= PHY_M_AN_10_FD; |
| 401 | if (sky2->advertising & ADVERTISED_10baseT_Half) |
| 402 | adv |= PHY_M_AN_10_HD; |
Stephen Hemminger | 709c6e7 | 2006-10-17 10:24:04 -0700 | [diff] [blame] | 403 | |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 404 | adv |= copper_fc_adv[sky2->flow_mode]; |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 405 | } else { /* special defines for FIBER (88E1040S only) */ |
| 406 | if (sky2->advertising & ADVERTISED_1000baseT_Full) |
| 407 | adv |= PHY_M_AN_1000X_AFD; |
| 408 | if (sky2->advertising & ADVERTISED_1000baseT_Half) |
| 409 | adv |= PHY_M_AN_1000X_AHD; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 410 | |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 411 | adv |= fiber_fc_adv[sky2->flow_mode]; |
Stephen Hemminger | 709c6e7 | 2006-10-17 10:24:04 -0700 | [diff] [blame] | 412 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 413 | |
| 414 | /* Restart Auto-negotiation */ |
| 415 | ctrl |= PHY_CT_ANE | PHY_CT_RE_CFG; |
| 416 | } else { |
| 417 | /* forced speed/duplex settings */ |
| 418 | ct1000 = PHY_M_1000C_MSE; |
| 419 | |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 420 | /* Disable auto update for duplex flow control and speed */ |
| 421 | reg |= GM_GPCR_AU_ALL_DIS; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 422 | |
| 423 | switch (sky2->speed) { |
| 424 | case SPEED_1000: |
| 425 | ctrl |= PHY_CT_SP1000; |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 426 | reg |= GM_GPCR_SPEED_1000; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 427 | break; |
| 428 | case SPEED_100: |
| 429 | ctrl |= PHY_CT_SP100; |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 430 | reg |= GM_GPCR_SPEED_100; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 431 | break; |
| 432 | } |
| 433 | |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 434 | if (sky2->duplex == DUPLEX_FULL) { |
| 435 | reg |= GM_GPCR_DUP_FULL; |
| 436 | ctrl |= PHY_CT_DUP_MD; |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 437 | } else if (sky2->speed < SPEED_1000) |
| 438 | sky2->flow_mode = FC_NONE; |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 439 | |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 440 | |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 441 | reg |= gm_fc_disable[sky2->flow_mode]; |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 442 | |
| 443 | /* Forward pause packets to GMAC? */ |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 444 | if (sky2->flow_mode & FC_RX) |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 445 | sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_PAUSE_ON); |
| 446 | else |
| 447 | sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_PAUSE_OFF); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 448 | } |
| 449 | |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 450 | gma_write16(hw, port, GM_GP_CTRL, reg); |
| 451 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 452 | if (hw->chip_id != CHIP_ID_YUKON_FE) |
| 453 | gm_phy_write(hw, port, PHY_MARV_1000T_CTRL, ct1000); |
| 454 | |
| 455 | gm_phy_write(hw, port, PHY_MARV_AUNE_ADV, adv); |
| 456 | gm_phy_write(hw, port, PHY_MARV_CTRL, ctrl); |
| 457 | |
| 458 | /* Setup Phy LED's */ |
| 459 | ledctrl = PHY_M_LED_PULS_DUR(PULS_170MS); |
| 460 | ledover = 0; |
| 461 | |
| 462 | switch (hw->chip_id) { |
| 463 | case CHIP_ID_YUKON_FE: |
| 464 | /* on 88E3082 these bits are at 11..9 (shifted left) */ |
| 465 | ledctrl |= PHY_M_LED_BLINK_RT(BLINK_84MS) << 1; |
| 466 | |
| 467 | ctrl = gm_phy_read(hw, port, PHY_MARV_FE_LED_PAR); |
| 468 | |
| 469 | /* delete ACT LED control bits */ |
| 470 | ctrl &= ~PHY_M_FELP_LED1_MSK; |
| 471 | /* change ACT LED control to blink mode */ |
| 472 | ctrl |= PHY_M_FELP_LED1_CTRL(LED_PAR_CTRL_ACT_BL); |
| 473 | gm_phy_write(hw, port, PHY_MARV_FE_LED_PAR, ctrl); |
| 474 | break; |
| 475 | |
| 476 | case CHIP_ID_YUKON_XL: |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 477 | pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 478 | |
| 479 | /* select page 3 to access LED control register */ |
| 480 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 3); |
| 481 | |
| 482 | /* set LED Function Control register */ |
Stephen Hemminger | ed6d32c | 2006-05-08 15:11:33 -0700 | [diff] [blame] | 483 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, |
| 484 | (PHY_M_LEDC_LOS_CTRL(1) | /* LINK/ACT */ |
| 485 | PHY_M_LEDC_INIT_CTRL(7) | /* 10 Mbps */ |
| 486 | PHY_M_LEDC_STA1_CTRL(7) | /* 100 Mbps */ |
| 487 | PHY_M_LEDC_STA0_CTRL(7))); /* 1000 Mbps */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 488 | |
| 489 | /* set Polarity Control register */ |
| 490 | gm_phy_write(hw, port, PHY_MARV_PHY_STAT, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 491 | (PHY_M_POLC_LS1_P_MIX(4) | |
| 492 | PHY_M_POLC_IS0_P_MIX(4) | |
| 493 | PHY_M_POLC_LOS_CTRL(2) | |
| 494 | PHY_M_POLC_INIT_CTRL(2) | |
| 495 | PHY_M_POLC_STA1_CTRL(2) | |
| 496 | PHY_M_POLC_STA0_CTRL(2))); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 497 | |
| 498 | /* restore page register */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 499 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 500 | break; |
Stephen Hemminger | ed6d32c | 2006-05-08 15:11:33 -0700 | [diff] [blame] | 501 | case CHIP_ID_YUKON_EC_U: |
| 502 | pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); |
| 503 | |
| 504 | /* select page 3 to access LED control register */ |
| 505 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 3); |
| 506 | |
| 507 | /* set LED Function Control register */ |
| 508 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, |
| 509 | (PHY_M_LEDC_LOS_CTRL(1) | /* LINK/ACT */ |
| 510 | PHY_M_LEDC_INIT_CTRL(8) | /* 10 Mbps */ |
| 511 | PHY_M_LEDC_STA1_CTRL(7) | /* 100 Mbps */ |
| 512 | PHY_M_LEDC_STA0_CTRL(7)));/* 1000 Mbps */ |
| 513 | |
| 514 | /* set Blink Rate in LED Timer Control Register */ |
| 515 | gm_phy_write(hw, port, PHY_MARV_INT_MASK, |
| 516 | ledctrl | PHY_M_LED_BLINK_RT(BLINK_84MS)); |
| 517 | /* restore page register */ |
| 518 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg); |
| 519 | break; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 520 | |
| 521 | default: |
| 522 | /* set Tx LED (LED_TX) to blink mode on Rx OR Tx activity */ |
| 523 | ledctrl |= PHY_M_LED_BLINK_RT(BLINK_84MS) | PHY_M_LEDC_TX_CTRL; |
| 524 | /* turn off the Rx LED (LED_RX) */ |
| 525 | ledover |= PHY_M_LED_MO_RX(MO_LED_OFF); |
| 526 | } |
| 527 | |
Stephen Hemminger | ed6d32c | 2006-05-08 15:11:33 -0700 | [diff] [blame] | 528 | if (hw->chip_id == CHIP_ID_YUKON_EC_U && hw->chip_rev == CHIP_REV_YU_EC_A1) { |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 529 | /* apply fixes in PHY AFE */ |
Stephen Hemminger | ed6d32c | 2006-05-08 15:11:33 -0700 | [diff] [blame] | 530 | pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); |
| 531 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 255); |
| 532 | |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 533 | /* increase differential signal amplitude in 10BASE-T */ |
Stephen Hemminger | ed6d32c | 2006-05-08 15:11:33 -0700 | [diff] [blame] | 534 | gm_phy_write(hw, port, 0x18, 0xaa99); |
| 535 | gm_phy_write(hw, port, 0x17, 0x2011); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 536 | |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 537 | /* fix for IEEE A/B Symmetry failure in 1000BASE-T */ |
Stephen Hemminger | ed6d32c | 2006-05-08 15:11:33 -0700 | [diff] [blame] | 538 | gm_phy_write(hw, port, 0x18, 0xa204); |
| 539 | gm_phy_write(hw, port, 0x17, 0x2002); |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 540 | |
| 541 | /* set page register to 0 */ |
Stephen Hemminger | ed6d32c | 2006-05-08 15:11:33 -0700 | [diff] [blame] | 542 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg); |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 543 | } else { |
| 544 | gm_phy_write(hw, port, PHY_MARV_LED_CTRL, ledctrl); |
| 545 | |
| 546 | if (sky2->autoneg == AUTONEG_DISABLE || sky2->speed == SPEED_100) { |
| 547 | /* turn on 100 Mbps LED (LED_LINK100) */ |
| 548 | ledover |= PHY_M_LED_MO_100(MO_LED_ON); |
| 549 | } |
| 550 | |
| 551 | if (ledover) |
| 552 | gm_phy_write(hw, port, PHY_MARV_LED_OVER, ledover); |
| 553 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 554 | } |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 555 | |
shemminger@osdl.org | d571b69 | 2005-10-26 12:16:09 -0700 | [diff] [blame] | 556 | /* Enable phy interrupt on auto-negotiation complete (or link up) */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 557 | if (sky2->autoneg == AUTONEG_ENABLE) |
| 558 | gm_phy_write(hw, port, PHY_MARV_INT_MASK, PHY_M_IS_AN_COMPL); |
| 559 | else |
| 560 | gm_phy_write(hw, port, PHY_MARV_INT_MASK, PHY_M_DEF_MSK); |
| 561 | } |
| 562 | |
shemminger@osdl.org | d3bcfbe | 2006-08-28 10:00:51 -0700 | [diff] [blame] | 563 | static void sky2_phy_power(struct sky2_hw *hw, unsigned port, int onoff) |
| 564 | { |
| 565 | u32 reg1; |
| 566 | static const u32 phy_power[] |
| 567 | = { PCI_Y2_PHY1_POWD, PCI_Y2_PHY2_POWD }; |
| 568 | |
| 569 | /* looks like this XL is back asswards .. */ |
| 570 | if (hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev > 1) |
| 571 | onoff = !onoff; |
| 572 | |
| 573 | reg1 = sky2_pci_read32(hw, PCI_DEV_REG1); |
| 574 | |
| 575 | if (onoff) |
| 576 | /* Turn off phy power saving */ |
| 577 | reg1 &= ~phy_power[port]; |
| 578 | else |
| 579 | reg1 |= phy_power[port]; |
| 580 | |
| 581 | sky2_pci_write32(hw, PCI_DEV_REG1, reg1); |
shemminger@osdl.org | 98232f8 | 2006-08-28 10:00:52 -0700 | [diff] [blame] | 582 | sky2_pci_read32(hw, PCI_DEV_REG1); |
shemminger@osdl.org | d3bcfbe | 2006-08-28 10:00:51 -0700 | [diff] [blame] | 583 | udelay(100); |
| 584 | } |
| 585 | |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 586 | /* Force a renegotiation */ |
| 587 | static void sky2_phy_reinit(struct sky2_port *sky2) |
| 588 | { |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 589 | spin_lock_bh(&sky2->phy_lock); |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 590 | sky2_phy_init(sky2->hw, sky2->port); |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 591 | spin_unlock_bh(&sky2->phy_lock); |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 592 | } |
| 593 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 594 | static void sky2_mac_init(struct sky2_hw *hw, unsigned port) |
| 595 | { |
| 596 | struct sky2_port *sky2 = netdev_priv(hw->dev[port]); |
| 597 | u16 reg; |
| 598 | int i; |
| 599 | const u8 *addr = hw->dev[port]->dev_addr; |
| 600 | |
shemminger@osdl.org | 42eeea0 | 2005-11-30 11:45:13 -0800 | [diff] [blame] | 601 | sky2_write32(hw, SK_REG(port, GPHY_CTRL), GPC_RST_SET); |
| 602 | 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] | 603 | |
| 604 | sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_RST_CLR); |
| 605 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 606 | 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] | 607 | /* WA DEV_472 -- looks like crossed wires on port 2 */ |
| 608 | /* clear GMAC 1 Control reset */ |
| 609 | sky2_write8(hw, SK_REG(0, GMAC_CTRL), GMC_RST_CLR); |
| 610 | do { |
| 611 | sky2_write8(hw, SK_REG(1, GMAC_CTRL), GMC_RST_SET); |
| 612 | sky2_write8(hw, SK_REG(1, GMAC_CTRL), GMC_RST_CLR); |
| 613 | } while (gm_phy_read(hw, 1, PHY_MARV_ID0) != PHY_MARV_ID0_VAL || |
| 614 | gm_phy_read(hw, 1, PHY_MARV_ID1) != PHY_MARV_ID1_Y2 || |
| 615 | gm_phy_read(hw, 1, PHY_MARV_INT_MASK) != 0); |
| 616 | } |
| 617 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 618 | sky2_read16(hw, SK_REG(port, GMAC_IRQ_SRC)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 619 | |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 620 | /* Enable Transmit FIFO Underrun */ |
| 621 | sky2_write8(hw, SK_REG(port, GMAC_IRQ_MSK), GMAC_DEF_MSK); |
| 622 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 623 | spin_lock_bh(&sky2->phy_lock); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 624 | sky2_phy_init(hw, port); |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 625 | spin_unlock_bh(&sky2->phy_lock); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 626 | |
| 627 | /* MIB clear */ |
| 628 | reg = gma_read16(hw, port, GM_PHY_ADDR); |
| 629 | gma_write16(hw, port, GM_PHY_ADDR, reg | GM_PAR_MIB_CLR); |
| 630 | |
Stephen Hemminger | 43f2f10 | 2006-04-05 17:47:15 -0700 | [diff] [blame] | 631 | for (i = GM_MIB_CNT_BASE; i <= GM_MIB_CNT_END; i += 4) |
| 632 | gma_read16(hw, port, i); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 633 | gma_write16(hw, port, GM_PHY_ADDR, reg); |
| 634 | |
| 635 | /* transmit control */ |
| 636 | gma_write16(hw, port, GM_TX_CTRL, TX_COL_THR(TX_COL_DEF)); |
| 637 | |
| 638 | /* receive control reg: unicast + multicast + no FCS */ |
| 639 | gma_write16(hw, port, GM_RX_CTRL, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 640 | GM_RXCR_UCF_ENA | GM_RXCR_CRC_DIS | GM_RXCR_MCF_ENA); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 641 | |
| 642 | /* transmit flow control */ |
| 643 | gma_write16(hw, port, GM_TX_FLOW_CTRL, 0xffff); |
| 644 | |
| 645 | /* transmit parameter */ |
| 646 | gma_write16(hw, port, GM_TX_PARAM, |
| 647 | TX_JAM_LEN_VAL(TX_JAM_LEN_DEF) | |
| 648 | TX_JAM_IPG_VAL(TX_JAM_IPG_DEF) | |
| 649 | TX_IPG_JAM_DATA(TX_IPG_JAM_DEF) | |
| 650 | TX_BACK_OFF_LIM(TX_BOF_LIM_DEF)); |
| 651 | |
| 652 | /* serial mode register */ |
| 653 | reg = DATA_BLIND_VAL(DATA_BLIND_DEF) | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 654 | GM_SMOD_VLAN_ENA | IPG_DATA_VAL(IPG_DATA_DEF); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 655 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 656 | if (hw->dev[port]->mtu > ETH_DATA_LEN) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 657 | reg |= GM_SMOD_JUMBO_ENA; |
| 658 | |
| 659 | gma_write16(hw, port, GM_SERIAL_MODE, reg); |
| 660 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 661 | /* virtual address for data */ |
| 662 | gma_set_addr(hw, port, GM_SRC_ADDR_2L, addr); |
| 663 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 664 | /* physical address: used for pause frames */ |
| 665 | gma_set_addr(hw, port, GM_SRC_ADDR_1L, addr); |
| 666 | |
| 667 | /* ignore counter overflows */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 668 | gma_write16(hw, port, GM_TX_IRQ_MSK, 0); |
| 669 | gma_write16(hw, port, GM_RX_IRQ_MSK, 0); |
| 670 | gma_write16(hw, port, GM_TR_IRQ_MSK, 0); |
| 671 | |
| 672 | /* Configure Rx MAC FIFO */ |
| 673 | 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] | 674 | sky2_write32(hw, SK_REG(port, RX_GMF_CTRL_T), |
| 675 | GMF_OPER_ON | GMF_RX_F_FL_ON); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 676 | |
shemminger@osdl.org | d571b69 | 2005-10-26 12:16:09 -0700 | [diff] [blame] | 677 | /* Flush Rx MAC FIFO on any flow control or error */ |
shemminger@osdl.org | 42eeea0 | 2005-11-30 11:45:13 -0800 | [diff] [blame] | 678 | 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] | 679 | |
Stephen Hemminger | 8df9a87 | 2006-12-01 14:29:35 -0800 | [diff] [blame^] | 680 | /* Set threshold to 0xa (64 bytes) + 1 to workaround pause bug */ |
| 681 | sky2_write16(hw, SK_REG(port, RX_GMF_FL_THR), RX_GMF_FL_THR_DEF+1); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 682 | |
| 683 | /* Configure Tx MAC FIFO */ |
| 684 | sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_RST_CLR); |
| 685 | 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] | 686 | |
| 687 | if (hw->chip_id == CHIP_ID_YUKON_EC_U) { |
Stephen Hemminger | 8df9a87 | 2006-12-01 14:29:35 -0800 | [diff] [blame^] | 688 | sky2_write8(hw, SK_REG(port, RX_GMF_LP_THR), 768/8); |
shemminger@osdl.org | 5a5b1ea | 2005-11-30 11:45:15 -0800 | [diff] [blame] | 689 | sky2_write8(hw, SK_REG(port, RX_GMF_UP_THR), 1024/8); |
| 690 | if (hw->dev[port]->mtu > ETH_DATA_LEN) { |
| 691 | /* set Tx GMAC FIFO Almost Empty Threshold */ |
| 692 | sky2_write32(hw, SK_REG(port, TX_GMF_AE_THR), 0x180); |
| 693 | /* Disable Store & Forward mode for TX */ |
| 694 | sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), TX_STFW_DIS); |
| 695 | } |
| 696 | } |
| 697 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 698 | } |
| 699 | |
Stephen Hemminger | 470ea7e | 2006-10-20 17:06:11 -0700 | [diff] [blame] | 700 | /* Assign Ram Buffer allocation in units of 64bit (8 bytes) */ |
| 701 | static void sky2_ramset(struct sky2_hw *hw, u16 q, u32 start, u32 end) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 702 | { |
Stephen Hemminger | 470ea7e | 2006-10-20 17:06:11 -0700 | [diff] [blame] | 703 | pr_debug(PFX "q %d %#x %#x\n", q, start, end); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 704 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 705 | sky2_write8(hw, RB_ADDR(q, RB_CTRL), RB_RST_CLR); |
| 706 | sky2_write32(hw, RB_ADDR(q, RB_START), start); |
| 707 | sky2_write32(hw, RB_ADDR(q, RB_END), end); |
| 708 | sky2_write32(hw, RB_ADDR(q, RB_WP), start); |
| 709 | sky2_write32(hw, RB_ADDR(q, RB_RP), start); |
| 710 | |
| 711 | if (q == Q_R1 || q == Q_R2) { |
Stephen Hemminger | 470ea7e | 2006-10-20 17:06:11 -0700 | [diff] [blame] | 712 | u32 space = end - start + 1; |
Stephen Hemminger | 1c28f6b | 2006-01-17 13:43:13 -0800 | [diff] [blame] | 713 | u32 tp = space - space/4; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 714 | |
Stephen Hemminger | 1c28f6b | 2006-01-17 13:43:13 -0800 | [diff] [blame] | 715 | /* On receive queue's set the thresholds |
| 716 | * give receiver priority when > 3/4 full |
| 717 | * send pause when down to 2K |
| 718 | */ |
| 719 | sky2_write32(hw, RB_ADDR(q, RB_RX_UTHP), tp); |
| 720 | sky2_write32(hw, RB_ADDR(q, RB_RX_LTHP), space/2); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 721 | |
Stephen Hemminger | 1c28f6b | 2006-01-17 13:43:13 -0800 | [diff] [blame] | 722 | tp = space - 2048/8; |
| 723 | sky2_write32(hw, RB_ADDR(q, RB_RX_UTPP), tp); |
| 724 | sky2_write32(hw, RB_ADDR(q, RB_RX_LTPP), space/4); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 725 | } else { |
| 726 | /* Enable store & forward on Tx queue's because |
| 727 | * Tx FIFO is only 1K on Yukon |
| 728 | */ |
| 729 | sky2_write8(hw, RB_ADDR(q, RB_CTRL), RB_ENA_STFWD); |
| 730 | } |
| 731 | |
| 732 | sky2_write8(hw, RB_ADDR(q, RB_CTRL), RB_ENA_OP_MD); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 733 | sky2_read8(hw, RB_ADDR(q, RB_CTRL)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 734 | } |
| 735 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 736 | /* Setup Bus Memory Interface */ |
shemminger@osdl.org | af4ed7e | 2005-11-30 11:45:21 -0800 | [diff] [blame] | 737 | static void sky2_qset(struct sky2_hw *hw, u16 q) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 738 | { |
| 739 | sky2_write32(hw, Q_ADDR(q, Q_CSR), BMU_CLR_RESET); |
| 740 | sky2_write32(hw, Q_ADDR(q, Q_CSR), BMU_OPER_INIT); |
| 741 | 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] | 742 | sky2_write32(hw, Q_ADDR(q, Q_WM), BMU_WM_DEFAULT); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 743 | } |
| 744 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 745 | /* Setup prefetch unit registers. This is the interface between |
| 746 | * hardware and driver list elements |
| 747 | */ |
Stephen Hemminger | 8cc048e | 2005-12-09 11:35:07 -0800 | [diff] [blame] | 748 | static void sky2_prefetch_init(struct sky2_hw *hw, u32 qaddr, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 749 | u64 addr, u32 last) |
| 750 | { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 751 | sky2_write32(hw, Y2_QADDR(qaddr, PREF_UNIT_CTRL), PREF_UNIT_RST_SET); |
| 752 | sky2_write32(hw, Y2_QADDR(qaddr, PREF_UNIT_CTRL), PREF_UNIT_RST_CLR); |
| 753 | sky2_write32(hw, Y2_QADDR(qaddr, PREF_UNIT_ADDR_HI), addr >> 32); |
| 754 | sky2_write32(hw, Y2_QADDR(qaddr, PREF_UNIT_ADDR_LO), (u32) addr); |
| 755 | sky2_write16(hw, Y2_QADDR(qaddr, PREF_UNIT_LAST_IDX), last); |
| 756 | 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] | 757 | |
| 758 | sky2_read32(hw, Y2_QADDR(qaddr, PREF_UNIT_CTRL)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 759 | } |
| 760 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 761 | static inline struct sky2_tx_le *get_tx_le(struct sky2_port *sky2) |
| 762 | { |
| 763 | struct sky2_tx_le *le = sky2->tx_le + sky2->tx_prod; |
| 764 | |
Stephen Hemminger | cb5d954 | 2006-05-08 15:11:29 -0700 | [diff] [blame] | 765 | sky2->tx_prod = RING_NEXT(sky2->tx_prod, TX_RING_SIZE); |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 766 | le->ctrl = 0; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 767 | return le; |
| 768 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 769 | |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 770 | static inline struct tx_ring_info *tx_le_re(struct sky2_port *sky2, |
| 771 | struct sky2_tx_le *le) |
| 772 | { |
| 773 | return sky2->tx_ring + (le - sky2->tx_le); |
| 774 | } |
| 775 | |
Stephen Hemminger | 290d4de | 2006-03-20 15:48:15 -0800 | [diff] [blame] | 776 | /* Update chip's next pointer */ |
| 777 | 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] | 778 | { |
shemminger@osdl.org | 98232f8 | 2006-08-28 10:00:52 -0700 | [diff] [blame] | 779 | q = Y2_QADDR(q, PREF_UNIT_PUT_IDX); |
Stephen Hemminger | 762c2de | 2006-01-17 13:43:14 -0800 | [diff] [blame] | 780 | wmb(); |
shemminger@osdl.org | 98232f8 | 2006-08-28 10:00:52 -0700 | [diff] [blame] | 781 | sky2_write16(hw, q, idx); |
| 782 | sky2_read16(hw, q); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 783 | } |
| 784 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 785 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 786 | static inline struct sky2_rx_le *sky2_next_rx(struct sky2_port *sky2) |
| 787 | { |
| 788 | struct sky2_rx_le *le = sky2->rx_le + sky2->rx_put; |
Stephen Hemminger | cb5d954 | 2006-05-08 15:11:29 -0700 | [diff] [blame] | 789 | sky2->rx_put = RING_NEXT(sky2->rx_put, RX_LE_SIZE); |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 790 | le->ctrl = 0; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 791 | return le; |
| 792 | } |
| 793 | |
shemminger@osdl.org | a018e33 | 2005-11-30 11:45:16 -0800 | [diff] [blame] | 794 | /* Return high part of DMA address (could be 32 or 64 bit) */ |
| 795 | static inline u32 high32(dma_addr_t a) |
| 796 | { |
Stephen Hemminger | a036119 | 2006-01-17 13:43:16 -0800 | [diff] [blame] | 797 | return sizeof(a) > sizeof(u32) ? (a >> 16) >> 16 : 0; |
shemminger@osdl.org | a018e33 | 2005-11-30 11:45:16 -0800 | [diff] [blame] | 798 | } |
| 799 | |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 800 | /* Build description to hardware for one receive segment */ |
| 801 | static void sky2_rx_add(struct sky2_port *sky2, u8 op, |
| 802 | dma_addr_t map, unsigned len) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 803 | { |
| 804 | struct sky2_rx_le *le; |
Stephen Hemminger | 734d186 | 2005-12-09 11:35:00 -0800 | [diff] [blame] | 805 | u32 hi = high32(map); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 806 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 807 | if (sky2->rx_addr64 != hi) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 808 | le = sky2_next_rx(sky2); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 809 | le->addr = cpu_to_le32(hi); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 810 | le->opcode = OP_ADDR64 | HW_OWNER; |
Stephen Hemminger | 734d186 | 2005-12-09 11:35:00 -0800 | [diff] [blame] | 811 | sky2->rx_addr64 = high32(map + len); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 812 | } |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 813 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 814 | le = sky2_next_rx(sky2); |
Stephen Hemminger | 734d186 | 2005-12-09 11:35:00 -0800 | [diff] [blame] | 815 | le->addr = cpu_to_le32((u32) map); |
| 816 | le->length = cpu_to_le16(len); |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 817 | le->opcode = op | HW_OWNER; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 818 | } |
| 819 | |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 820 | /* Build description to hardware for one possibly fragmented skb */ |
| 821 | static void sky2_rx_submit(struct sky2_port *sky2, |
| 822 | const struct rx_ring_info *re) |
| 823 | { |
| 824 | int i; |
| 825 | |
| 826 | sky2_rx_add(sky2, OP_PACKET, re->data_addr, sky2->rx_data_size); |
| 827 | |
| 828 | for (i = 0; i < skb_shinfo(re->skb)->nr_frags; i++) |
| 829 | sky2_rx_add(sky2, OP_BUFFER, re->frag_addr[i], PAGE_SIZE); |
| 830 | } |
| 831 | |
| 832 | |
| 833 | static void sky2_rx_map_skb(struct pci_dev *pdev, struct rx_ring_info *re, |
| 834 | unsigned size) |
| 835 | { |
| 836 | struct sk_buff *skb = re->skb; |
| 837 | int i; |
| 838 | |
| 839 | re->data_addr = pci_map_single(pdev, skb->data, size, PCI_DMA_FROMDEVICE); |
| 840 | pci_unmap_len_set(re, data_size, size); |
| 841 | |
| 842 | for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) |
| 843 | re->frag_addr[i] = pci_map_page(pdev, |
| 844 | skb_shinfo(skb)->frags[i].page, |
| 845 | skb_shinfo(skb)->frags[i].page_offset, |
| 846 | skb_shinfo(skb)->frags[i].size, |
| 847 | PCI_DMA_FROMDEVICE); |
| 848 | } |
| 849 | |
| 850 | static void sky2_rx_unmap_skb(struct pci_dev *pdev, struct rx_ring_info *re) |
| 851 | { |
| 852 | struct sk_buff *skb = re->skb; |
| 853 | int i; |
| 854 | |
| 855 | pci_unmap_single(pdev, re->data_addr, pci_unmap_len(re, data_size), |
| 856 | PCI_DMA_FROMDEVICE); |
| 857 | |
| 858 | for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) |
| 859 | pci_unmap_page(pdev, re->frag_addr[i], |
| 860 | skb_shinfo(skb)->frags[i].size, |
| 861 | PCI_DMA_FROMDEVICE); |
| 862 | } |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 863 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 864 | /* Tell chip where to start receive checksum. |
| 865 | * Actually has two checksums, but set both same to avoid possible byte |
| 866 | * order problems. |
| 867 | */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 868 | static void rx_set_checksum(struct sky2_port *sky2) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 869 | { |
| 870 | struct sky2_rx_le *le; |
| 871 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 872 | le = sky2_next_rx(sky2); |
Stephen Hemminger | f65b138 | 2006-09-06 12:45:02 -0700 | [diff] [blame] | 873 | le->addr = cpu_to_le32((ETH_HLEN << 16) | ETH_HLEN); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 874 | le->ctrl = 0; |
| 875 | le->opcode = OP_TCPSTART | HW_OWNER; |
| 876 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 877 | sky2_write32(sky2->hw, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 878 | Q_ADDR(rxqaddr[sky2->port], Q_CSR), |
| 879 | sky2->rx_csum ? BMU_ENA_RX_CHKSUM : BMU_DIS_RX_CHKSUM); |
| 880 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 881 | } |
| 882 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 883 | /* |
| 884 | * The RX Stop command will not work for Yukon-2 if the BMU does not |
| 885 | * reach the end of packet and since we can't make sure that we have |
| 886 | * incoming data, we must reset the BMU while it is not doing a DMA |
| 887 | * transfer. Since it is possible that the RX path is still active, |
| 888 | * the RX RAM buffer will be stopped first, so any possible incoming |
| 889 | * data will not trigger a DMA. After the RAM buffer is stopped, the |
| 890 | * BMU is polled until any DMA in progress is ended and only then it |
| 891 | * will be reset. |
| 892 | */ |
| 893 | static void sky2_rx_stop(struct sky2_port *sky2) |
| 894 | { |
| 895 | struct sky2_hw *hw = sky2->hw; |
| 896 | unsigned rxq = rxqaddr[sky2->port]; |
| 897 | int i; |
| 898 | |
| 899 | /* disable the RAM Buffer receive queue */ |
| 900 | sky2_write8(hw, RB_ADDR(rxq, RB_CTRL), RB_DIS_OP_MD); |
| 901 | |
| 902 | for (i = 0; i < 0xffff; i++) |
| 903 | if (sky2_read8(hw, RB_ADDR(rxq, Q_RSL)) |
| 904 | == sky2_read8(hw, RB_ADDR(rxq, Q_RL))) |
| 905 | goto stopped; |
| 906 | |
| 907 | printk(KERN_WARNING PFX "%s: receiver stop failed\n", |
| 908 | sky2->netdev->name); |
| 909 | stopped: |
| 910 | sky2_write32(hw, Q_ADDR(rxq, Q_CSR), BMU_RST_SET | BMU_FIFO_RST); |
| 911 | |
| 912 | /* reset the Rx prefetch unit */ |
| 913 | sky2_write32(hw, Y2_QADDR(rxq, PREF_UNIT_CTRL), PREF_UNIT_RST_SET); |
| 914 | } |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 915 | |
shemminger@osdl.org | d571b69 | 2005-10-26 12:16:09 -0700 | [diff] [blame] | 916 | /* Clean out receive buffer area, assumes receiver hardware stopped */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 917 | static void sky2_rx_clean(struct sky2_port *sky2) |
| 918 | { |
| 919 | unsigned i; |
| 920 | |
| 921 | memset(sky2->rx_le, 0, RX_LE_BYTES); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 922 | for (i = 0; i < sky2->rx_pending; i++) { |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 923 | struct rx_ring_info *re = sky2->rx_ring + i; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 924 | |
| 925 | if (re->skb) { |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 926 | sky2_rx_unmap_skb(sky2->hw->pdev, re); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 927 | kfree_skb(re->skb); |
| 928 | re->skb = NULL; |
| 929 | } |
| 930 | } |
| 931 | } |
| 932 | |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 933 | /* Basic MII support */ |
| 934 | static int sky2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) |
| 935 | { |
| 936 | struct mii_ioctl_data *data = if_mii(ifr); |
| 937 | struct sky2_port *sky2 = netdev_priv(dev); |
| 938 | struct sky2_hw *hw = sky2->hw; |
| 939 | int err = -EOPNOTSUPP; |
| 940 | |
| 941 | if (!netif_running(dev)) |
| 942 | return -ENODEV; /* Phy still in reset */ |
| 943 | |
Stephen Hemminger | d89e134 | 2006-03-20 15:48:20 -0800 | [diff] [blame] | 944 | switch (cmd) { |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 945 | case SIOCGMIIPHY: |
| 946 | data->phy_id = PHY_ADDR_MARV; |
| 947 | |
| 948 | /* fallthru */ |
| 949 | case SIOCGMIIREG: { |
| 950 | u16 val = 0; |
Stephen Hemminger | 91c86df | 2005-12-09 11:34:57 -0800 | [diff] [blame] | 951 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 952 | spin_lock_bh(&sky2->phy_lock); |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 953 | err = __gm_phy_read(hw, sky2->port, data->reg_num & 0x1f, &val); |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 954 | spin_unlock_bh(&sky2->phy_lock); |
Stephen Hemminger | 91c86df | 2005-12-09 11:34:57 -0800 | [diff] [blame] | 955 | |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 956 | data->val_out = val; |
| 957 | break; |
| 958 | } |
| 959 | |
| 960 | case SIOCSMIIREG: |
| 961 | if (!capable(CAP_NET_ADMIN)) |
| 962 | return -EPERM; |
| 963 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 964 | spin_lock_bh(&sky2->phy_lock); |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 965 | err = gm_phy_write(hw, sky2->port, data->reg_num & 0x1f, |
| 966 | data->val_in); |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 967 | spin_unlock_bh(&sky2->phy_lock); |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 968 | break; |
| 969 | } |
| 970 | return err; |
| 971 | } |
| 972 | |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 973 | #ifdef SKY2_VLAN_TAG_USED |
| 974 | static void sky2_vlan_rx_register(struct net_device *dev, struct vlan_group *grp) |
| 975 | { |
| 976 | struct sky2_port *sky2 = netdev_priv(dev); |
| 977 | struct sky2_hw *hw = sky2->hw; |
| 978 | u16 port = sky2->port; |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 979 | |
Stephen Hemminger | 2bb8c26 | 2006-09-26 11:57:42 -0700 | [diff] [blame] | 980 | netif_tx_lock_bh(dev); |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 981 | |
| 982 | sky2_write32(hw, SK_REG(port, RX_GMF_CTRL_T), RX_VLAN_STRIP_ON); |
| 983 | sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), TX_VLAN_TAG_ON); |
| 984 | sky2->vlgrp = grp; |
| 985 | |
Stephen Hemminger | 2bb8c26 | 2006-09-26 11:57:42 -0700 | [diff] [blame] | 986 | netif_tx_unlock_bh(dev); |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 987 | } |
| 988 | |
| 989 | static void sky2_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid) |
| 990 | { |
| 991 | struct sky2_port *sky2 = netdev_priv(dev); |
| 992 | struct sky2_hw *hw = sky2->hw; |
| 993 | u16 port = sky2->port; |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 994 | |
Stephen Hemminger | 2bb8c26 | 2006-09-26 11:57:42 -0700 | [diff] [blame] | 995 | netif_tx_lock_bh(dev); |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 996 | |
| 997 | sky2_write32(hw, SK_REG(port, RX_GMF_CTRL_T), RX_VLAN_STRIP_OFF); |
| 998 | sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), TX_VLAN_TAG_OFF); |
| 999 | if (sky2->vlgrp) |
| 1000 | sky2->vlgrp->vlan_devices[vid] = NULL; |
| 1001 | |
Stephen Hemminger | 2bb8c26 | 2006-09-26 11:57:42 -0700 | [diff] [blame] | 1002 | netif_tx_unlock_bh(dev); |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 1003 | } |
| 1004 | #endif |
| 1005 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1006 | /* |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1007 | * Allocate an skb for receiving. If the MTU is large enough |
| 1008 | * make the skb non-linear with a fragment list of pages. |
| 1009 | * |
Stephen Hemminger | 82788c7 | 2006-01-17 13:43:10 -0800 | [diff] [blame] | 1010 | * It appears the hardware has a bug in the FIFO logic that |
| 1011 | * cause it to hang if the FIFO gets overrun and the receive buffer |
shemminger@osdl.org | 497d7c8 | 2006-08-28 10:00:46 -0700 | [diff] [blame] | 1012 | * is not 64 byte aligned. The buffer returned from netdev_alloc_skb is |
| 1013 | * aligned except if slab debugging is enabled. |
Stephen Hemminger | 82788c7 | 2006-01-17 13:43:10 -0800 | [diff] [blame] | 1014 | */ |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1015 | static struct sk_buff *sky2_rx_alloc(struct sky2_port *sky2) |
Stephen Hemminger | 82788c7 | 2006-01-17 13:43:10 -0800 | [diff] [blame] | 1016 | { |
| 1017 | struct sk_buff *skb; |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1018 | unsigned long p; |
| 1019 | int i; |
Stephen Hemminger | 82788c7 | 2006-01-17 13:43:10 -0800 | [diff] [blame] | 1020 | |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1021 | skb = netdev_alloc_skb(sky2->netdev, sky2->rx_data_size + RX_SKB_ALIGN); |
| 1022 | if (!skb) |
| 1023 | goto nomem; |
| 1024 | |
| 1025 | p = (unsigned long) skb->data; |
| 1026 | skb_reserve(skb, ALIGN(p, RX_SKB_ALIGN) - p); |
| 1027 | |
| 1028 | for (i = 0; i < sky2->rx_nfrags; i++) { |
| 1029 | struct page *page = alloc_page(GFP_ATOMIC); |
| 1030 | |
| 1031 | if (!page) |
| 1032 | goto free_partial; |
| 1033 | skb_fill_page_desc(skb, i, page, 0, PAGE_SIZE); |
Stephen Hemminger | 82788c7 | 2006-01-17 13:43:10 -0800 | [diff] [blame] | 1034 | } |
| 1035 | |
| 1036 | return skb; |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1037 | free_partial: |
| 1038 | kfree_skb(skb); |
| 1039 | nomem: |
| 1040 | return NULL; |
Stephen Hemminger | 82788c7 | 2006-01-17 13:43:10 -0800 | [diff] [blame] | 1041 | } |
| 1042 | |
| 1043 | /* |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1044 | * Allocate and setup receiver buffer pool. |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1045 | * Normal case this ends up creating one list element for skb |
| 1046 | * in the receive ring. Worst case if using large MTU and each |
| 1047 | * allocation falls on a different 64 bit region, that results |
| 1048 | * in 6 list elements per ring entry. |
| 1049 | * One element is used for checksum enable/disable, and one |
| 1050 | * extra to avoid wrap. |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1051 | */ |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1052 | static int sky2_rx_start(struct sky2_port *sky2) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1053 | { |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1054 | struct sky2_hw *hw = sky2->hw; |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1055 | struct rx_ring_info *re; |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1056 | unsigned rxq = rxqaddr[sky2->port]; |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1057 | unsigned i, size, space, thresh; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1058 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1059 | sky2->rx_put = sky2->rx_next = 0; |
shemminger@osdl.org | af4ed7e | 2005-11-30 11:45:21 -0800 | [diff] [blame] | 1060 | sky2_qset(hw, rxq); |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 1061 | |
Stephen Hemminger | 8df9a87 | 2006-12-01 14:29:35 -0800 | [diff] [blame^] | 1062 | if (hw->chip_id == CHIP_ID_YUKON_EC_U && |
| 1063 | (hw->chip_rev == CHIP_REV_YU_EC_U_A1 || hw->chip_rev == CHIP_REV_YU_EC_U_B0)) { |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 1064 | /* MAC Rx RAM Read is controlled by hardware */ |
| 1065 | sky2_write32(hw, Q_ADDR(rxq, Q_F), F_M_RX_RAM_DIS); |
| 1066 | } |
| 1067 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1068 | sky2_prefetch_init(hw, rxq, sky2->rx_le_map, RX_LE_SIZE - 1); |
| 1069 | |
| 1070 | rx_set_checksum(sky2); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1071 | |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1072 | /* Space needed for frame data + headers rounded up */ |
| 1073 | size = ALIGN(sky2->netdev->mtu + ETH_HLEN + VLAN_HLEN, 8) |
| 1074 | + 8; |
| 1075 | |
| 1076 | /* Stopping point for hardware truncation */ |
| 1077 | thresh = (size - 8) / sizeof(u32); |
| 1078 | |
| 1079 | /* Account for overhead of skb - to avoid order > 0 allocation */ |
| 1080 | space = SKB_DATA_ALIGN(size) + NET_SKB_PAD |
| 1081 | + sizeof(struct skb_shared_info); |
| 1082 | |
| 1083 | sky2->rx_nfrags = space >> PAGE_SHIFT; |
| 1084 | BUG_ON(sky2->rx_nfrags > ARRAY_SIZE(re->frag_addr)); |
| 1085 | |
| 1086 | if (sky2->rx_nfrags != 0) { |
| 1087 | /* Compute residue after pages */ |
| 1088 | space = sky2->rx_nfrags << PAGE_SHIFT; |
| 1089 | |
| 1090 | if (space < size) |
| 1091 | size -= space; |
| 1092 | else |
| 1093 | size = 0; |
| 1094 | |
| 1095 | /* Optimize to handle small packets and headers */ |
| 1096 | if (size < copybreak) |
| 1097 | size = copybreak; |
| 1098 | if (size < ETH_HLEN) |
| 1099 | size = ETH_HLEN; |
| 1100 | } |
| 1101 | sky2->rx_data_size = size; |
| 1102 | |
| 1103 | /* Fill Rx ring */ |
| 1104 | for (i = 0; i < sky2->rx_pending; i++) { |
| 1105 | re = sky2->rx_ring + i; |
| 1106 | |
| 1107 | re->skb = sky2_rx_alloc(sky2); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1108 | if (!re->skb) |
| 1109 | goto nomem; |
| 1110 | |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1111 | sky2_rx_map_skb(hw->pdev, re, sky2->rx_data_size); |
| 1112 | sky2_rx_submit(sky2, re); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1113 | } |
| 1114 | |
Stephen Hemminger | a1433ac | 2006-05-22 12:03:42 -0700 | [diff] [blame] | 1115 | /* |
| 1116 | * The receiver hangs if it receives frames larger than the |
| 1117 | * packet buffer. As a workaround, truncate oversize frames, but |
| 1118 | * the register is limited to 9 bits, so if you do frames > 2052 |
| 1119 | * you better get the MTU right! |
| 1120 | */ |
Stephen Hemminger | a1433ac | 2006-05-22 12:03:42 -0700 | [diff] [blame] | 1121 | if (thresh > 0x1ff) |
| 1122 | sky2_write32(hw, SK_REG(sky2->port, RX_GMF_CTRL_T), RX_TRUNC_OFF); |
| 1123 | else { |
| 1124 | sky2_write16(hw, SK_REG(sky2->port, RX_GMF_TR_THR), thresh); |
| 1125 | sky2_write32(hw, SK_REG(sky2->port, RX_GMF_CTRL_T), RX_TRUNC_ON); |
| 1126 | } |
| 1127 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1128 | /* Tell chip about available buffers */ |
| 1129 | 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] | 1130 | return 0; |
| 1131 | nomem: |
| 1132 | sky2_rx_clean(sky2); |
| 1133 | return -ENOMEM; |
| 1134 | } |
| 1135 | |
| 1136 | /* Bring up network interface. */ |
| 1137 | static int sky2_up(struct net_device *dev) |
| 1138 | { |
| 1139 | struct sky2_port *sky2 = netdev_priv(dev); |
| 1140 | struct sky2_hw *hw = sky2->hw; |
| 1141 | unsigned port = sky2->port; |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1142 | u32 ramsize, rxspace, imask; |
Stephen Hemminger | ee7abb0 | 2006-05-18 11:16:21 -0700 | [diff] [blame] | 1143 | int cap, err = -ENOMEM; |
Stephen Hemminger | 843a46f | 2006-05-11 15:07:28 -0700 | [diff] [blame] | 1144 | struct net_device *otherdev = hw->dev[sky2->port^1]; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1145 | |
Stephen Hemminger | ee7abb0 | 2006-05-18 11:16:21 -0700 | [diff] [blame] | 1146 | /* |
| 1147 | * On dual port PCI-X card, there is an problem where status |
| 1148 | * can be received out of order due to split transactions |
Stephen Hemminger | 843a46f | 2006-05-11 15:07:28 -0700 | [diff] [blame] | 1149 | */ |
Stephen Hemminger | ee7abb0 | 2006-05-18 11:16:21 -0700 | [diff] [blame] | 1150 | if (otherdev && netif_running(otherdev) && |
| 1151 | (cap = pci_find_capability(hw->pdev, PCI_CAP_ID_PCIX))) { |
| 1152 | struct sky2_port *osky2 = netdev_priv(otherdev); |
| 1153 | u16 cmd; |
Stephen Hemminger | 843a46f | 2006-05-11 15:07:28 -0700 | [diff] [blame] | 1154 | |
Stephen Hemminger | ee7abb0 | 2006-05-18 11:16:21 -0700 | [diff] [blame] | 1155 | cmd = sky2_pci_read16(hw, cap + PCI_X_CMD); |
| 1156 | cmd &= ~PCI_X_CMD_MAX_SPLIT; |
| 1157 | sky2_pci_write16(hw, cap + PCI_X_CMD, cmd); |
| 1158 | |
| 1159 | sky2->rx_csum = 0; |
| 1160 | osky2->rx_csum = 0; |
| 1161 | } |
| 1162 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1163 | if (netif_msg_ifup(sky2)) |
| 1164 | printk(KERN_INFO PFX "%s: enabling interface\n", dev->name); |
| 1165 | |
| 1166 | /* must be power of 2 */ |
| 1167 | sky2->tx_le = pci_alloc_consistent(hw->pdev, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1168 | TX_RING_SIZE * |
| 1169 | sizeof(struct sky2_tx_le), |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1170 | &sky2->tx_le_map); |
| 1171 | if (!sky2->tx_le) |
| 1172 | goto err_out; |
| 1173 | |
Stephen Hemminger | 6cdbbdf | 2005-12-09 11:35:01 -0800 | [diff] [blame] | 1174 | sky2->tx_ring = kcalloc(TX_RING_SIZE, sizeof(struct tx_ring_info), |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1175 | GFP_KERNEL); |
| 1176 | if (!sky2->tx_ring) |
| 1177 | goto err_out; |
| 1178 | sky2->tx_prod = sky2->tx_cons = 0; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1179 | |
| 1180 | sky2->rx_le = pci_alloc_consistent(hw->pdev, RX_LE_BYTES, |
| 1181 | &sky2->rx_le_map); |
| 1182 | if (!sky2->rx_le) |
| 1183 | goto err_out; |
| 1184 | memset(sky2->rx_le, 0, RX_LE_BYTES); |
| 1185 | |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1186 | sky2->rx_ring = kcalloc(sky2->rx_pending, sizeof(struct rx_ring_info), |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1187 | GFP_KERNEL); |
| 1188 | if (!sky2->rx_ring) |
| 1189 | goto err_out; |
| 1190 | |
shemminger@osdl.org | d3bcfbe | 2006-08-28 10:00:51 -0700 | [diff] [blame] | 1191 | sky2_phy_power(hw, port, 1); |
| 1192 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1193 | sky2_mac_init(hw, port); |
| 1194 | |
Stephen Hemminger | 470ea7e | 2006-10-20 17:06:11 -0700 | [diff] [blame] | 1195 | /* Determine available ram buffer space in qwords. */ |
| 1196 | ramsize = sky2_read8(hw, B2_E_0) * 4096/8; |
| 1197 | |
| 1198 | if (ramsize > 6*1024/8) |
| 1199 | rxspace = ramsize - (ramsize + 2) / 3; |
Stephen Hemminger | 1c28f6b | 2006-01-17 13:43:13 -0800 | [diff] [blame] | 1200 | else |
Stephen Hemminger | 470ea7e | 2006-10-20 17:06:11 -0700 | [diff] [blame] | 1201 | rxspace = ramsize / 2; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1202 | |
Stephen Hemminger | 470ea7e | 2006-10-20 17:06:11 -0700 | [diff] [blame] | 1203 | sky2_ramset(hw, rxqaddr[port], 0, rxspace-1); |
| 1204 | sky2_ramset(hw, txqaddr[port], rxspace, ramsize-1); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1205 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1206 | /* Make sure SyncQ is disabled */ |
| 1207 | sky2_write8(hw, RB_ADDR(port == 0 ? Q_XS1 : Q_XS2, RB_CTRL), |
| 1208 | RB_RST_SET); |
| 1209 | |
shemminger@osdl.org | af4ed7e | 2005-11-30 11:45:21 -0800 | [diff] [blame] | 1210 | sky2_qset(hw, txqaddr[port]); |
shemminger@osdl.org | 5a5b1ea | 2005-11-30 11:45:15 -0800 | [diff] [blame] | 1211 | |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 1212 | /* Set almost empty threshold */ |
Stephen Hemminger | c2716fb | 2006-09-26 11:57:39 -0700 | [diff] [blame] | 1213 | if (hw->chip_id == CHIP_ID_YUKON_EC_U |
| 1214 | && hw->chip_rev == CHIP_REV_YU_EC_U_A0) |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 1215 | sky2_write16(hw, Q_ADDR(txqaddr[port], Q_AL), 0x1a0); |
shemminger@osdl.org | 5a5b1ea | 2005-11-30 11:45:15 -0800 | [diff] [blame] | 1216 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1217 | sky2_prefetch_init(hw, txqaddr[port], sky2->tx_le_map, |
| 1218 | TX_RING_SIZE - 1); |
| 1219 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1220 | err = sky2_rx_start(sky2); |
| 1221 | if (err) |
| 1222 | goto err_out; |
| 1223 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1224 | /* Enable interrupts from phy/mac for port */ |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1225 | imask = sky2_read32(hw, B0_IMSK); |
Stephen Hemminger | f4ea431 | 2006-05-09 14:46:54 -0700 | [diff] [blame] | 1226 | imask |= portirq_msk[port]; |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1227 | sky2_write32(hw, B0_IMSK, imask); |
| 1228 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1229 | return 0; |
| 1230 | |
| 1231 | err_out: |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 1232 | if (sky2->rx_le) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1233 | pci_free_consistent(hw->pdev, RX_LE_BYTES, |
| 1234 | sky2->rx_le, sky2->rx_le_map); |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 1235 | sky2->rx_le = NULL; |
| 1236 | } |
| 1237 | if (sky2->tx_le) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1238 | pci_free_consistent(hw->pdev, |
| 1239 | TX_RING_SIZE * sizeof(struct sky2_tx_le), |
| 1240 | sky2->tx_le, sky2->tx_le_map); |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 1241 | sky2->tx_le = NULL; |
| 1242 | } |
| 1243 | kfree(sky2->tx_ring); |
| 1244 | kfree(sky2->rx_ring); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1245 | |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 1246 | sky2->tx_ring = NULL; |
| 1247 | sky2->rx_ring = NULL; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1248 | return err; |
| 1249 | } |
| 1250 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1251 | /* Modular subtraction in ring */ |
| 1252 | static inline int tx_dist(unsigned tail, unsigned head) |
| 1253 | { |
Stephen Hemminger | cb5d954 | 2006-05-08 15:11:29 -0700 | [diff] [blame] | 1254 | return (head - tail) & (TX_RING_SIZE - 1); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1255 | } |
| 1256 | |
| 1257 | /* Number of list elements available for next tx */ |
| 1258 | static inline int tx_avail(const struct sky2_port *sky2) |
| 1259 | { |
| 1260 | return sky2->tx_pending - tx_dist(sky2->tx_cons, sky2->tx_prod); |
| 1261 | } |
| 1262 | |
| 1263 | /* Estimate of number of transmit list elements required */ |
Stephen Hemminger | 28bd181 | 2006-01-17 13:43:19 -0800 | [diff] [blame] | 1264 | static unsigned tx_le_req(const struct sk_buff *skb) |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1265 | { |
| 1266 | unsigned count; |
| 1267 | |
| 1268 | count = sizeof(dma_addr_t) / sizeof(u32); |
| 1269 | count += skb_shinfo(skb)->nr_frags * count; |
| 1270 | |
Herbert Xu | 89114af | 2006-07-08 13:34:32 -0700 | [diff] [blame] | 1271 | if (skb_is_gso(skb)) |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1272 | ++count; |
| 1273 | |
Patrick McHardy | 84fa793 | 2006-08-29 16:44:56 -0700 | [diff] [blame] | 1274 | if (skb->ip_summed == CHECKSUM_PARTIAL) |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1275 | ++count; |
| 1276 | |
| 1277 | return count; |
| 1278 | } |
| 1279 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1280 | /* |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1281 | * Put one packet in ring for transmit. |
| 1282 | * A single packet can generate multiple list elements, and |
| 1283 | * the number of ring elements will probably be less than the number |
| 1284 | * of list elements used. |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1285 | */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1286 | static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev) |
| 1287 | { |
| 1288 | struct sky2_port *sky2 = netdev_priv(dev); |
| 1289 | struct sky2_hw *hw = sky2->hw; |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 1290 | struct sky2_tx_le *le = NULL; |
Stephen Hemminger | 6cdbbdf | 2005-12-09 11:35:01 -0800 | [diff] [blame] | 1291 | struct tx_ring_info *re; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1292 | unsigned i, len; |
| 1293 | dma_addr_t mapping; |
| 1294 | u32 addr64; |
| 1295 | u16 mss; |
| 1296 | u8 ctrl; |
| 1297 | |
Stephen Hemminger | 2bb8c26 | 2006-09-26 11:57:42 -0700 | [diff] [blame] | 1298 | if (unlikely(tx_avail(sky2) < tx_le_req(skb))) |
| 1299 | return NETDEV_TX_BUSY; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1300 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1301 | if (unlikely(netif_msg_tx_queued(sky2))) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1302 | printk(KERN_DEBUG "%s: tx queued, slot %u, len %d\n", |
| 1303 | dev->name, sky2->tx_prod, skb->len); |
| 1304 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1305 | len = skb_headlen(skb); |
| 1306 | 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] | 1307 | addr64 = high32(mapping); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1308 | |
shemminger@osdl.org | a018e33 | 2005-11-30 11:45:16 -0800 | [diff] [blame] | 1309 | /* Send high bits if changed or crosses boundary */ |
| 1310 | if (addr64 != sky2->tx_addr64 || high32(mapping + len) != sky2->tx_addr64) { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1311 | le = get_tx_le(sky2); |
Stephen Hemminger | f65b138 | 2006-09-06 12:45:02 -0700 | [diff] [blame] | 1312 | le->addr = cpu_to_le32(addr64); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1313 | le->opcode = OP_ADDR64 | HW_OWNER; |
shemminger@osdl.org | a018e33 | 2005-11-30 11:45:16 -0800 | [diff] [blame] | 1314 | sky2->tx_addr64 = high32(mapping + len); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1315 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1316 | |
| 1317 | /* Check for TCP Segmentation Offload */ |
Herbert Xu | 7967168 | 2006-06-22 02:40:14 -0700 | [diff] [blame] | 1318 | mss = skb_shinfo(skb)->gso_size; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1319 | if (mss != 0) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1320 | mss += ((skb->h.th->doff - 5) * 4); /* TCP options */ |
| 1321 | mss += (skb->nh.iph->ihl * 4) + sizeof(struct tcphdr); |
| 1322 | mss += ETH_HLEN; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1323 | |
shemminger@osdl.org | e07560c | 2006-08-28 10:00:49 -0700 | [diff] [blame] | 1324 | if (mss != sky2->tx_last_mss) { |
| 1325 | le = get_tx_le(sky2); |
Stephen Hemminger | f65b138 | 2006-09-06 12:45:02 -0700 | [diff] [blame] | 1326 | le->addr = cpu_to_le32(mss); |
shemminger@osdl.org | e07560c | 2006-08-28 10:00:49 -0700 | [diff] [blame] | 1327 | le->opcode = OP_LRGLEN | HW_OWNER; |
shemminger@osdl.org | e07560c | 2006-08-28 10:00:49 -0700 | [diff] [blame] | 1328 | sky2->tx_last_mss = mss; |
| 1329 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1330 | } |
| 1331 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1332 | ctrl = 0; |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 1333 | #ifdef SKY2_VLAN_TAG_USED |
| 1334 | /* Add VLAN tag, can piggyback on LRGLEN or ADDR64 */ |
| 1335 | if (sky2->vlgrp && vlan_tx_tag_present(skb)) { |
| 1336 | if (!le) { |
| 1337 | le = get_tx_le(sky2); |
Stephen Hemminger | f65b138 | 2006-09-06 12:45:02 -0700 | [diff] [blame] | 1338 | le->addr = 0; |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 1339 | le->opcode = OP_VLAN|HW_OWNER; |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 1340 | } else |
| 1341 | le->opcode |= OP_VLAN; |
| 1342 | le->length = cpu_to_be16(vlan_tx_tag_get(skb)); |
| 1343 | ctrl |= INS_VLAN; |
| 1344 | } |
| 1345 | #endif |
| 1346 | |
| 1347 | /* Handle TCP checksum offload */ |
Patrick McHardy | 84fa793 | 2006-08-29 16:44:56 -0700 | [diff] [blame] | 1348 | if (skb->ip_summed == CHECKSUM_PARTIAL) { |
Stephen Hemminger | f65b138 | 2006-09-06 12:45:02 -0700 | [diff] [blame] | 1349 | unsigned offset = skb->h.raw - skb->data; |
| 1350 | u32 tcpsum; |
| 1351 | |
| 1352 | tcpsum = offset << 16; /* sum start */ |
| 1353 | tcpsum |= offset + skb->csum; /* sum write */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1354 | |
| 1355 | ctrl = CALSUM | WR_SUM | INIT_SUM | LOCK_SUM; |
| 1356 | if (skb->nh.iph->protocol == IPPROTO_UDP) |
| 1357 | ctrl |= UDPTCP; |
| 1358 | |
Stephen Hemminger | f65b138 | 2006-09-06 12:45:02 -0700 | [diff] [blame] | 1359 | if (tcpsum != sky2->tx_tcpsum) { |
| 1360 | sky2->tx_tcpsum = tcpsum; |
shemminger@osdl.org | 1d17933 | 2006-08-28 10:00:50 -0700 | [diff] [blame] | 1361 | |
| 1362 | le = get_tx_le(sky2); |
Stephen Hemminger | f65b138 | 2006-09-06 12:45:02 -0700 | [diff] [blame] | 1363 | le->addr = cpu_to_le32(tcpsum); |
shemminger@osdl.org | 1d17933 | 2006-08-28 10:00:50 -0700 | [diff] [blame] | 1364 | le->length = 0; /* initial checksum value */ |
| 1365 | le->ctrl = 1; /* one packet */ |
| 1366 | le->opcode = OP_TCPLISW | HW_OWNER; |
| 1367 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1368 | } |
| 1369 | |
| 1370 | le = get_tx_le(sky2); |
Stephen Hemminger | f65b138 | 2006-09-06 12:45:02 -0700 | [diff] [blame] | 1371 | le->addr = cpu_to_le32((u32) mapping); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1372 | le->length = cpu_to_le16(len); |
| 1373 | le->ctrl = ctrl; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1374 | le->opcode = mss ? (OP_LARGESEND | HW_OWNER) : (OP_PACKET | HW_OWNER); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1375 | |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1376 | re = tx_le_re(sky2, le); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1377 | re->skb = skb; |
Stephen Hemminger | 6cdbbdf | 2005-12-09 11:35:01 -0800 | [diff] [blame] | 1378 | pci_unmap_addr_set(re, mapaddr, mapping); |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1379 | pci_unmap_len_set(re, maplen, len); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1380 | |
| 1381 | for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1382 | const skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1383 | |
| 1384 | mapping = pci_map_page(hw->pdev, frag->page, frag->page_offset, |
| 1385 | frag->size, PCI_DMA_TODEVICE); |
Stephen Hemminger | a036119 | 2006-01-17 13:43:16 -0800 | [diff] [blame] | 1386 | addr64 = high32(mapping); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1387 | if (addr64 != sky2->tx_addr64) { |
| 1388 | le = get_tx_le(sky2); |
Stephen Hemminger | f65b138 | 2006-09-06 12:45:02 -0700 | [diff] [blame] | 1389 | le->addr = cpu_to_le32(addr64); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1390 | le->ctrl = 0; |
| 1391 | le->opcode = OP_ADDR64 | HW_OWNER; |
| 1392 | sky2->tx_addr64 = addr64; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1393 | } |
| 1394 | |
| 1395 | le = get_tx_le(sky2); |
Stephen Hemminger | f65b138 | 2006-09-06 12:45:02 -0700 | [diff] [blame] | 1396 | le->addr = cpu_to_le32((u32) mapping); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1397 | le->length = cpu_to_le16(frag->size); |
| 1398 | le->ctrl = ctrl; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1399 | le->opcode = OP_BUFFER | HW_OWNER; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1400 | |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1401 | re = tx_le_re(sky2, le); |
| 1402 | re->skb = skb; |
| 1403 | pci_unmap_addr_set(re, mapaddr, mapping); |
| 1404 | pci_unmap_len_set(re, maplen, frag->size); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1405 | } |
Stephen Hemminger | 6cdbbdf | 2005-12-09 11:35:01 -0800 | [diff] [blame] | 1406 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1407 | le->ctrl |= EOP; |
| 1408 | |
shemminger@osdl.org | 97bda70 | 2006-08-28 10:00:47 -0700 | [diff] [blame] | 1409 | if (tx_avail(sky2) <= MAX_SKB_TX_LE) |
| 1410 | netif_stop_queue(dev); |
Stephen Hemminger | b19666d | 2006-03-07 11:06:36 -0800 | [diff] [blame] | 1411 | |
Stephen Hemminger | 290d4de | 2006-03-20 15:48:15 -0800 | [diff] [blame] | 1412 | sky2_put_idx(hw, txqaddr[sky2->port], sky2->tx_prod); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1413 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1414 | dev->trans_start = jiffies; |
| 1415 | return NETDEV_TX_OK; |
| 1416 | } |
| 1417 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1418 | /* |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1419 | * Free ring elements from starting at tx_cons until "done" |
| 1420 | * |
| 1421 | * NB: the hardware will tell us about partial completion of multi-part |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1422 | * buffers so make sure not to free skb to early. |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1423 | */ |
shemminger@osdl.org | d11c13e | 2005-09-27 15:02:56 -0700 | [diff] [blame] | 1424 | static void sky2_tx_complete(struct sky2_port *sky2, u16 done) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1425 | { |
shemminger@osdl.org | d11c13e | 2005-09-27 15:02:56 -0700 | [diff] [blame] | 1426 | struct net_device *dev = sky2->netdev; |
Stephen Hemminger | af2a58a | 2005-12-09 11:35:04 -0800 | [diff] [blame] | 1427 | struct pci_dev *pdev = sky2->hw->pdev; |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1428 | unsigned idx; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1429 | |
Stephen Hemminger | 0e3ff6a | 2005-12-09 11:35:02 -0800 | [diff] [blame] | 1430 | BUG_ON(done >= TX_RING_SIZE); |
shemminger@osdl.org | 2224795 | 2005-11-30 11:45:19 -0800 | [diff] [blame] | 1431 | |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1432 | for (idx = sky2->tx_cons; idx != done; |
| 1433 | idx = RING_NEXT(idx, TX_RING_SIZE)) { |
| 1434 | struct sky2_tx_le *le = sky2->tx_le + idx; |
| 1435 | struct tx_ring_info *re = sky2->tx_ring + idx; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1436 | |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1437 | switch(le->opcode & ~HW_OWNER) { |
| 1438 | case OP_LARGESEND: |
| 1439 | case OP_PACKET: |
| 1440 | pci_unmap_single(pdev, |
| 1441 | pci_unmap_addr(re, mapaddr), |
| 1442 | pci_unmap_len(re, maplen), |
| 1443 | PCI_DMA_TODEVICE); |
Stephen Hemminger | af2a58a | 2005-12-09 11:35:04 -0800 | [diff] [blame] | 1444 | break; |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1445 | case OP_BUFFER: |
| 1446 | pci_unmap_page(pdev, pci_unmap_addr(re, mapaddr), |
| 1447 | pci_unmap_len(re, maplen), |
Stephen Hemminger | 734d186 | 2005-12-09 11:35:00 -0800 | [diff] [blame] | 1448 | PCI_DMA_TODEVICE); |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1449 | break; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1450 | } |
| 1451 | |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1452 | if (le->ctrl & EOP) { |
| 1453 | if (unlikely(netif_msg_tx_done(sky2))) |
| 1454 | printk(KERN_DEBUG "%s: tx done %u\n", |
| 1455 | dev->name, idx); |
| 1456 | dev_kfree_skb(re->skb); |
| 1457 | } |
| 1458 | |
| 1459 | le->opcode = 0; /* paranoia */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1460 | } |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1461 | |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1462 | sky2->tx_cons = idx; |
Stephen Hemminger | 22e1170 | 2006-07-12 15:23:48 -0700 | [diff] [blame] | 1463 | if (tx_avail(sky2) > MAX_SKB_TX_LE + 4) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1464 | netif_wake_queue(dev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1465 | } |
| 1466 | |
| 1467 | /* Cleanup all untransmitted buffers, assume transmitter not running */ |
Stephen Hemminger | 2bb8c26 | 2006-09-26 11:57:42 -0700 | [diff] [blame] | 1468 | static void sky2_tx_clean(struct net_device *dev) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1469 | { |
Stephen Hemminger | 2bb8c26 | 2006-09-26 11:57:42 -0700 | [diff] [blame] | 1470 | struct sky2_port *sky2 = netdev_priv(dev); |
| 1471 | |
| 1472 | netif_tx_lock_bh(dev); |
shemminger@osdl.org | d11c13e | 2005-09-27 15:02:56 -0700 | [diff] [blame] | 1473 | sky2_tx_complete(sky2, sky2->tx_prod); |
Stephen Hemminger | 2bb8c26 | 2006-09-26 11:57:42 -0700 | [diff] [blame] | 1474 | netif_tx_unlock_bh(dev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1475 | } |
| 1476 | |
| 1477 | /* Network shutdown */ |
| 1478 | static int sky2_down(struct net_device *dev) |
| 1479 | { |
| 1480 | struct sky2_port *sky2 = netdev_priv(dev); |
| 1481 | struct sky2_hw *hw = sky2->hw; |
| 1482 | unsigned port = sky2->port; |
| 1483 | u16 ctrl; |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1484 | u32 imask; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1485 | |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 1486 | /* Never really got started! */ |
| 1487 | if (!sky2->tx_le) |
| 1488 | return 0; |
| 1489 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1490 | if (netif_msg_ifdown(sky2)) |
| 1491 | printk(KERN_INFO PFX "%s: disabling interface\n", dev->name); |
| 1492 | |
shemminger@osdl.org | 018d1c6 | 2005-11-30 11:45:18 -0800 | [diff] [blame] | 1493 | /* Stop more packets from being queued */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1494 | netif_stop_queue(dev); |
| 1495 | |
Stephen Hemminger | ebc646f | 2006-10-17 10:23:56 -0700 | [diff] [blame] | 1496 | /* Disable port IRQ */ |
| 1497 | imask = sky2_read32(hw, B0_IMSK); |
| 1498 | imask &= ~portirq_msk[port]; |
| 1499 | sky2_write32(hw, B0_IMSK, imask); |
| 1500 | |
shemminger@osdl.org | d3bcfbe | 2006-08-28 10:00:51 -0700 | [diff] [blame] | 1501 | sky2_gmac_reset(hw, port); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1502 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1503 | /* Stop transmitter */ |
| 1504 | sky2_write32(hw, Q_ADDR(txqaddr[port], Q_CSR), BMU_STOP); |
| 1505 | sky2_read32(hw, Q_ADDR(txqaddr[port], Q_CSR)); |
| 1506 | |
| 1507 | sky2_write32(hw, RB_ADDR(txqaddr[port], RB_CTRL), |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1508 | RB_RST_SET | RB_DIS_OP_MD); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1509 | |
Stephen Hemminger | c2716fb | 2006-09-26 11:57:39 -0700 | [diff] [blame] | 1510 | /* WA for dev. #4.209 */ |
| 1511 | if (hw->chip_id == CHIP_ID_YUKON_EC_U |
Stephen Hemminger | 8df9a87 | 2006-12-01 14:29:35 -0800 | [diff] [blame^] | 1512 | && (hw->chip_rev == CHIP_REV_YU_EC_U_A1 || hw->chip_rev == CHIP_REV_YU_EC_U_B0)) |
Stephen Hemminger | c2716fb | 2006-09-26 11:57:39 -0700 | [diff] [blame] | 1513 | sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), |
| 1514 | sky2->speed != SPEED_1000 ? |
| 1515 | TX_STFW_ENA : TX_STFW_DIS); |
| 1516 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1517 | ctrl = gma_read16(hw, port, GM_GP_CTRL); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1518 | ctrl &= ~(GM_GPCR_TX_ENA | GM_GPCR_RX_ENA); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1519 | gma_write16(hw, port, GM_GP_CTRL, ctrl); |
| 1520 | |
| 1521 | sky2_write8(hw, SK_REG(port, GPHY_CTRL), GPC_RST_SET); |
| 1522 | |
| 1523 | /* Workaround shared GMAC reset */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1524 | if (!(hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev == 0 |
| 1525 | && port == 0 && hw->dev[1] && netif_running(hw->dev[1]))) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1526 | sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_RST_SET); |
| 1527 | |
| 1528 | /* Disable Force Sync bit and Enable Alloc bit */ |
| 1529 | sky2_write8(hw, SK_REG(port, TXA_CTRL), |
| 1530 | TXA_DIS_FSYNC | TXA_DIS_ALLOC | TXA_STOP_RC); |
| 1531 | |
| 1532 | /* Stop Interval Timer and Limit Counter of Tx Arbiter */ |
| 1533 | sky2_write32(hw, SK_REG(port, TXA_ITI_INI), 0L); |
| 1534 | sky2_write32(hw, SK_REG(port, TXA_LIM_INI), 0L); |
| 1535 | |
| 1536 | /* Reset the PCI FIFO of the async Tx queue */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1537 | sky2_write32(hw, Q_ADDR(txqaddr[port], Q_CSR), |
| 1538 | BMU_RST_SET | BMU_FIFO_RST); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1539 | |
| 1540 | /* Reset the Tx prefetch units */ |
| 1541 | sky2_write32(hw, Y2_QADDR(txqaddr[port], PREF_UNIT_CTRL), |
| 1542 | PREF_UNIT_RST_SET); |
| 1543 | |
| 1544 | sky2_write32(hw, RB_ADDR(txqaddr[port], RB_CTRL), RB_RST_SET); |
| 1545 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1546 | sky2_rx_stop(sky2); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1547 | |
| 1548 | sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_RST_SET); |
| 1549 | sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_RST_SET); |
| 1550 | |
shemminger@osdl.org | d3bcfbe | 2006-08-28 10:00:51 -0700 | [diff] [blame] | 1551 | sky2_phy_power(hw, port, 0); |
| 1552 | |
shemminger@osdl.org | d571b69 | 2005-10-26 12:16:09 -0700 | [diff] [blame] | 1553 | /* turn off LED's */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1554 | sky2_write16(hw, B0_Y2LED, LED_STAT_OFF); |
| 1555 | |
shemminger@osdl.org | 018d1c6 | 2005-11-30 11:45:18 -0800 | [diff] [blame] | 1556 | synchronize_irq(hw->pdev->irq); |
| 1557 | |
Stephen Hemminger | 2bb8c26 | 2006-09-26 11:57:42 -0700 | [diff] [blame] | 1558 | sky2_tx_clean(dev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1559 | sky2_rx_clean(sky2); |
| 1560 | |
| 1561 | pci_free_consistent(hw->pdev, RX_LE_BYTES, |
| 1562 | sky2->rx_le, sky2->rx_le_map); |
| 1563 | kfree(sky2->rx_ring); |
| 1564 | |
| 1565 | pci_free_consistent(hw->pdev, |
| 1566 | TX_RING_SIZE * sizeof(struct sky2_tx_le), |
| 1567 | sky2->tx_le, sky2->tx_le_map); |
| 1568 | kfree(sky2->tx_ring); |
| 1569 | |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 1570 | sky2->tx_le = NULL; |
| 1571 | sky2->rx_le = NULL; |
| 1572 | |
| 1573 | sky2->rx_ring = NULL; |
| 1574 | sky2->tx_ring = NULL; |
| 1575 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1576 | return 0; |
| 1577 | } |
| 1578 | |
| 1579 | static u16 sky2_phy_speed(const struct sky2_hw *hw, u16 aux) |
| 1580 | { |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 1581 | if (!sky2_is_copper(hw)) |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1582 | return SPEED_1000; |
| 1583 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1584 | if (hw->chip_id == CHIP_ID_YUKON_FE) |
| 1585 | return (aux & PHY_M_PS_SPEED_100) ? SPEED_100 : SPEED_10; |
| 1586 | |
| 1587 | switch (aux & PHY_M_PS_SPEED_MSK) { |
| 1588 | case PHY_M_PS_SPEED_1000: |
| 1589 | return SPEED_1000; |
| 1590 | case PHY_M_PS_SPEED_100: |
| 1591 | return SPEED_100; |
| 1592 | default: |
| 1593 | return SPEED_10; |
| 1594 | } |
| 1595 | } |
| 1596 | |
| 1597 | static void sky2_link_up(struct sky2_port *sky2) |
| 1598 | { |
| 1599 | struct sky2_hw *hw = sky2->hw; |
| 1600 | unsigned port = sky2->port; |
| 1601 | u16 reg; |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 1602 | static const char *fc_name[] = { |
| 1603 | [FC_NONE] = "none", |
| 1604 | [FC_TX] = "tx", |
| 1605 | [FC_RX] = "rx", |
| 1606 | [FC_BOTH] = "both", |
| 1607 | }; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1608 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1609 | /* enable Rx/Tx */ |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 1610 | reg = gma_read16(hw, port, GM_GP_CTRL); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1611 | reg |= GM_GPCR_RX_ENA | GM_GPCR_TX_ENA; |
| 1612 | gma_write16(hw, port, GM_GP_CTRL, reg); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1613 | |
| 1614 | gm_phy_write(hw, port, PHY_MARV_INT_MASK, PHY_M_DEF_MSK); |
| 1615 | |
| 1616 | netif_carrier_on(sky2->netdev); |
| 1617 | netif_wake_queue(sky2->netdev); |
| 1618 | |
| 1619 | /* Turn on link LED */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1620 | sky2_write8(hw, SK_REG(port, LNK_LED_REG), |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1621 | LINKLED_ON | LINKLED_BLINK_OFF | LINKLED_LINKSYNC_OFF); |
| 1622 | |
Stephen Hemminger | ed6d32c | 2006-05-08 15:11:33 -0700 | [diff] [blame] | 1623 | if (hw->chip_id == CHIP_ID_YUKON_XL || hw->chip_id == CHIP_ID_YUKON_EC_U) { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1624 | u16 pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); |
Stephen Hemminger | ed6d32c | 2006-05-08 15:11:33 -0700 | [diff] [blame] | 1625 | u16 led = PHY_M_LEDC_LOS_CTRL(1); /* link active */ |
| 1626 | |
| 1627 | switch(sky2->speed) { |
| 1628 | case SPEED_10: |
| 1629 | led |= PHY_M_LEDC_INIT_CTRL(7); |
| 1630 | break; |
| 1631 | |
| 1632 | case SPEED_100: |
| 1633 | led |= PHY_M_LEDC_STA1_CTRL(7); |
| 1634 | break; |
| 1635 | |
| 1636 | case SPEED_1000: |
| 1637 | led |= PHY_M_LEDC_STA0_CTRL(7); |
| 1638 | break; |
| 1639 | } |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1640 | |
| 1641 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 3); |
Stephen Hemminger | ed6d32c | 2006-05-08 15:11:33 -0700 | [diff] [blame] | 1642 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, led); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1643 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg); |
| 1644 | } |
| 1645 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1646 | if (netif_msg_link(sky2)) |
| 1647 | printk(KERN_INFO PFX |
shemminger@osdl.org | d571b69 | 2005-10-26 12:16:09 -0700 | [diff] [blame] | 1648 | "%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] | 1649 | sky2->netdev->name, sky2->speed, |
| 1650 | sky2->duplex == DUPLEX_FULL ? "full" : "half", |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 1651 | fc_name[sky2->flow_status]); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1652 | } |
| 1653 | |
| 1654 | static void sky2_link_down(struct sky2_port *sky2) |
| 1655 | { |
| 1656 | struct sky2_hw *hw = sky2->hw; |
| 1657 | unsigned port = sky2->port; |
| 1658 | u16 reg; |
| 1659 | |
| 1660 | gm_phy_write(hw, port, PHY_MARV_INT_MASK, 0); |
| 1661 | |
| 1662 | reg = gma_read16(hw, port, GM_GP_CTRL); |
| 1663 | reg &= ~(GM_GPCR_RX_ENA | GM_GPCR_TX_ENA); |
| 1664 | gma_write16(hw, port, GM_GP_CTRL, reg); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1665 | |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 1666 | if (sky2->flow_status == FC_RX) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1667 | /* restore Asymmetric Pause bit */ |
| 1668 | gm_phy_write(hw, port, PHY_MARV_AUNE_ADV, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1669 | gm_phy_read(hw, port, PHY_MARV_AUNE_ADV) |
| 1670 | | PHY_M_AN_ASP); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1671 | } |
| 1672 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1673 | netif_carrier_off(sky2->netdev); |
| 1674 | netif_stop_queue(sky2->netdev); |
| 1675 | |
| 1676 | /* Turn on link LED */ |
| 1677 | sky2_write8(hw, SK_REG(port, LNK_LED_REG), LINKLED_OFF); |
| 1678 | |
| 1679 | if (netif_msg_link(sky2)) |
| 1680 | printk(KERN_INFO PFX "%s: Link is down.\n", sky2->netdev->name); |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 1681 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1682 | sky2_phy_init(hw, port); |
| 1683 | } |
| 1684 | |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 1685 | static enum flow_control sky2_flow(int rx, int tx) |
| 1686 | { |
| 1687 | if (rx) |
| 1688 | return tx ? FC_BOTH : FC_RX; |
| 1689 | else |
| 1690 | return tx ? FC_TX : FC_NONE; |
| 1691 | } |
| 1692 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1693 | static int sky2_autoneg_done(struct sky2_port *sky2, u16 aux) |
| 1694 | { |
| 1695 | struct sky2_hw *hw = sky2->hw; |
| 1696 | unsigned port = sky2->port; |
| 1697 | u16 lpa; |
| 1698 | |
| 1699 | lpa = gm_phy_read(hw, port, PHY_MARV_AUNE_LP); |
| 1700 | |
| 1701 | if (lpa & PHY_M_AN_RF) { |
| 1702 | printk(KERN_ERR PFX "%s: remote fault", sky2->netdev->name); |
| 1703 | return -1; |
| 1704 | } |
| 1705 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1706 | if (!(aux & PHY_M_PS_SPDUP_RES)) { |
| 1707 | printk(KERN_ERR PFX "%s: speed/duplex mismatch", |
| 1708 | sky2->netdev->name); |
| 1709 | return -1; |
| 1710 | } |
| 1711 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1712 | sky2->speed = sky2_phy_speed(hw, aux); |
Stephen Hemminger | 7c74ac1 | 2006-10-17 10:24:08 -0700 | [diff] [blame] | 1713 | sky2->duplex = (aux & PHY_M_PS_FULL_DUP) ? DUPLEX_FULL : DUPLEX_HALF; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1714 | |
| 1715 | /* Pause bits are offset (9..8) */ |
Stephen Hemminger | ed6d32c | 2006-05-08 15:11:33 -0700 | [diff] [blame] | 1716 | if (hw->chip_id == CHIP_ID_YUKON_XL || hw->chip_id == CHIP_ID_YUKON_EC_U) |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1717 | aux >>= 6; |
| 1718 | |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 1719 | sky2->flow_status = sky2_flow(aux & PHY_M_PS_RX_P_EN, |
| 1720 | aux & PHY_M_PS_TX_P_EN); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1721 | |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 1722 | if (sky2->duplex == DUPLEX_HALF && sky2->speed < SPEED_1000 |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 1723 | && hw->chip_id != CHIP_ID_YUKON_EC_U) |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 1724 | sky2->flow_status = FC_NONE; |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 1725 | |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 1726 | if (aux & PHY_M_PS_RX_P_EN) |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1727 | sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_PAUSE_ON); |
| 1728 | else |
| 1729 | sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_PAUSE_OFF); |
| 1730 | |
| 1731 | return 0; |
| 1732 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1733 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1734 | /* Interrupt from PHY */ |
| 1735 | static void sky2_phy_intr(struct sky2_hw *hw, unsigned port) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1736 | { |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1737 | struct net_device *dev = hw->dev[port]; |
| 1738 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1739 | u16 istatus, phystat; |
| 1740 | |
Stephen Hemminger | ebc646f | 2006-10-17 10:23:56 -0700 | [diff] [blame] | 1741 | if (!netif_running(dev)) |
| 1742 | return; |
| 1743 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1744 | spin_lock(&sky2->phy_lock); |
| 1745 | istatus = gm_phy_read(hw, port, PHY_MARV_INT_STAT); |
| 1746 | phystat = gm_phy_read(hw, port, PHY_MARV_PHY_STAT); |
| 1747 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1748 | if (netif_msg_intr(sky2)) |
| 1749 | printk(KERN_INFO PFX "%s: phy interrupt status 0x%x 0x%x\n", |
| 1750 | sky2->netdev->name, istatus, phystat); |
| 1751 | |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 1752 | if (sky2->autoneg == AUTONEG_ENABLE && (istatus & PHY_M_IS_AN_COMPL)) { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1753 | if (sky2_autoneg_done(sky2, phystat) == 0) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1754 | sky2_link_up(sky2); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1755 | goto out; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1756 | } |
| 1757 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1758 | if (istatus & PHY_M_IS_LSP_CHANGE) |
| 1759 | sky2->speed = sky2_phy_speed(hw, phystat); |
| 1760 | |
| 1761 | if (istatus & PHY_M_IS_DUP_CHANGE) |
| 1762 | sky2->duplex = |
| 1763 | (phystat & PHY_M_PS_FULL_DUP) ? DUPLEX_FULL : DUPLEX_HALF; |
| 1764 | |
| 1765 | if (istatus & PHY_M_IS_LST_CHANGE) { |
| 1766 | if (phystat & PHY_M_PS_LINK_UP) |
| 1767 | sky2_link_up(sky2); |
| 1768 | else |
| 1769 | sky2_link_down(sky2); |
| 1770 | } |
| 1771 | out: |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1772 | spin_unlock(&sky2->phy_lock); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1773 | } |
| 1774 | |
Stephen Hemminger | 302d125 | 2006-01-17 13:43:20 -0800 | [diff] [blame] | 1775 | |
| 1776 | /* Transmit timeout is only called if we are running, carries is up |
| 1777 | * and tx queue is full (stopped). |
| 1778 | */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1779 | static void sky2_tx_timeout(struct net_device *dev) |
| 1780 | { |
| 1781 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | 8cc048e | 2005-12-09 11:35:07 -0800 | [diff] [blame] | 1782 | struct sky2_hw *hw = sky2->hw; |
| 1783 | unsigned txq = txqaddr[sky2->port]; |
Stephen Hemminger | 8f24664 | 2006-03-20 15:48:21 -0800 | [diff] [blame] | 1784 | u16 report, done; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1785 | |
| 1786 | if (netif_msg_timer(sky2)) |
| 1787 | printk(KERN_ERR PFX "%s: tx timeout\n", dev->name); |
| 1788 | |
Stephen Hemminger | 8f24664 | 2006-03-20 15:48:21 -0800 | [diff] [blame] | 1789 | report = sky2_read16(hw, sky2->port == 0 ? STAT_TXA1_RIDX : STAT_TXA2_RIDX); |
| 1790 | done = sky2_read16(hw, Q_ADDR(txq, Q_DONE)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1791 | |
Stephen Hemminger | 8f24664 | 2006-03-20 15:48:21 -0800 | [diff] [blame] | 1792 | printk(KERN_DEBUG PFX "%s: transmit ring %u .. %u report=%u done=%u\n", |
| 1793 | dev->name, |
| 1794 | sky2->tx_cons, sky2->tx_prod, report, done); |
Stephen Hemminger | 8cc048e | 2005-12-09 11:35:07 -0800 | [diff] [blame] | 1795 | |
Stephen Hemminger | 8f24664 | 2006-03-20 15:48:21 -0800 | [diff] [blame] | 1796 | if (report != done) { |
| 1797 | printk(KERN_INFO PFX "status burst pending (irq moderation?)\n"); |
| 1798 | |
| 1799 | sky2_write8(hw, STAT_TX_TIMER_CTRL, TIM_STOP); |
| 1800 | sky2_write8(hw, STAT_TX_TIMER_CTRL, TIM_START); |
| 1801 | } else if (report != sky2->tx_cons) { |
| 1802 | printk(KERN_INFO PFX "status report lost?\n"); |
| 1803 | |
Stephen Hemminger | 2bb8c26 | 2006-09-26 11:57:42 -0700 | [diff] [blame] | 1804 | netif_tx_lock_bh(dev); |
Stephen Hemminger | 8f24664 | 2006-03-20 15:48:21 -0800 | [diff] [blame] | 1805 | sky2_tx_complete(sky2, report); |
Stephen Hemminger | 2bb8c26 | 2006-09-26 11:57:42 -0700 | [diff] [blame] | 1806 | netif_tx_unlock_bh(dev); |
Stephen Hemminger | 8f24664 | 2006-03-20 15:48:21 -0800 | [diff] [blame] | 1807 | } else { |
| 1808 | printk(KERN_INFO PFX "hardware hung? flushing\n"); |
| 1809 | |
| 1810 | sky2_write32(hw, Q_ADDR(txq, Q_CSR), BMU_STOP); |
| 1811 | sky2_write32(hw, Y2_QADDR(txq, PREF_UNIT_CTRL), PREF_UNIT_RST_SET); |
| 1812 | |
Stephen Hemminger | 2bb8c26 | 2006-09-26 11:57:42 -0700 | [diff] [blame] | 1813 | sky2_tx_clean(dev); |
Stephen Hemminger | 8f24664 | 2006-03-20 15:48:21 -0800 | [diff] [blame] | 1814 | |
| 1815 | sky2_qset(hw, txq); |
| 1816 | sky2_prefetch_init(hw, txq, sky2->tx_le_map, TX_RING_SIZE - 1); |
| 1817 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1818 | } |
| 1819 | |
| 1820 | static int sky2_change_mtu(struct net_device *dev, int new_mtu) |
| 1821 | { |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1822 | struct sky2_port *sky2 = netdev_priv(dev); |
| 1823 | struct sky2_hw *hw = sky2->hw; |
| 1824 | int err; |
| 1825 | u16 ctl, mode; |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1826 | u32 imask; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1827 | |
| 1828 | if (new_mtu < ETH_ZLEN || new_mtu > ETH_JUMBO_MTU) |
| 1829 | return -EINVAL; |
| 1830 | |
shemminger@osdl.org | 5a5b1ea | 2005-11-30 11:45:15 -0800 | [diff] [blame] | 1831 | if (hw->chip_id == CHIP_ID_YUKON_EC_U && new_mtu > ETH_DATA_LEN) |
| 1832 | return -EINVAL; |
| 1833 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1834 | if (!netif_running(dev)) { |
| 1835 | dev->mtu = new_mtu; |
| 1836 | return 0; |
| 1837 | } |
| 1838 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1839 | imask = sky2_read32(hw, B0_IMSK); |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1840 | sky2_write32(hw, B0_IMSK, 0); |
| 1841 | |
shemminger@osdl.org | 018d1c6 | 2005-11-30 11:45:18 -0800 | [diff] [blame] | 1842 | dev->trans_start = jiffies; /* prevent tx timeout */ |
| 1843 | netif_stop_queue(dev); |
| 1844 | netif_poll_disable(hw->dev[0]); |
| 1845 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1846 | synchronize_irq(hw->pdev->irq); |
| 1847 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1848 | ctl = gma_read16(hw, sky2->port, GM_GP_CTRL); |
| 1849 | gma_write16(hw, sky2->port, GM_GP_CTRL, ctl & ~GM_GPCR_RX_ENA); |
| 1850 | sky2_rx_stop(sky2); |
| 1851 | sky2_rx_clean(sky2); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1852 | |
| 1853 | dev->mtu = new_mtu; |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1854 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1855 | mode = DATA_BLIND_VAL(DATA_BLIND_DEF) | |
| 1856 | GM_SMOD_VLAN_ENA | IPG_DATA_VAL(IPG_DATA_DEF); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1857 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1858 | if (dev->mtu > ETH_DATA_LEN) |
| 1859 | mode |= GM_SMOD_JUMBO_ENA; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1860 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1861 | gma_write16(hw, sky2->port, GM_SERIAL_MODE, mode); |
| 1862 | |
| 1863 | sky2_write8(hw, RB_ADDR(rxqaddr[sky2->port], RB_CTRL), RB_ENA_OP_MD); |
| 1864 | |
| 1865 | err = sky2_rx_start(sky2); |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1866 | sky2_write32(hw, B0_IMSK, imask); |
shemminger@osdl.org | 018d1c6 | 2005-11-30 11:45:18 -0800 | [diff] [blame] | 1867 | |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 1868 | if (err) |
| 1869 | dev_close(dev); |
| 1870 | else { |
| 1871 | gma_write16(hw, sky2->port, GM_GP_CTRL, ctl); |
| 1872 | |
| 1873 | netif_poll_enable(hw->dev[0]); |
| 1874 | netif_wake_queue(dev); |
| 1875 | } |
| 1876 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1877 | return err; |
| 1878 | } |
| 1879 | |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1880 | /* For small just reuse existing skb for next receive */ |
| 1881 | static struct sk_buff *receive_copy(struct sky2_port *sky2, |
| 1882 | const struct rx_ring_info *re, |
| 1883 | unsigned length) |
| 1884 | { |
| 1885 | struct sk_buff *skb; |
| 1886 | |
| 1887 | skb = netdev_alloc_skb(sky2->netdev, length + 2); |
| 1888 | if (likely(skb)) { |
| 1889 | skb_reserve(skb, 2); |
| 1890 | pci_dma_sync_single_for_cpu(sky2->hw->pdev, re->data_addr, |
| 1891 | length, PCI_DMA_FROMDEVICE); |
| 1892 | memcpy(skb->data, re->skb->data, length); |
| 1893 | skb->ip_summed = re->skb->ip_summed; |
| 1894 | skb->csum = re->skb->csum; |
| 1895 | pci_dma_sync_single_for_device(sky2->hw->pdev, re->data_addr, |
| 1896 | length, PCI_DMA_FROMDEVICE); |
| 1897 | re->skb->ip_summed = CHECKSUM_NONE; |
Stephen Hemminger | 489b10c | 2006-10-03 16:39:12 -0700 | [diff] [blame] | 1898 | skb_put(skb, length); |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1899 | } |
| 1900 | return skb; |
| 1901 | } |
| 1902 | |
| 1903 | /* Adjust length of skb with fragments to match received data */ |
| 1904 | static void skb_put_frags(struct sk_buff *skb, unsigned int hdr_space, |
| 1905 | unsigned int length) |
| 1906 | { |
| 1907 | int i, num_frags; |
| 1908 | unsigned int size; |
| 1909 | |
| 1910 | /* put header into skb */ |
| 1911 | size = min(length, hdr_space); |
| 1912 | skb->tail += size; |
| 1913 | skb->len += size; |
| 1914 | length -= size; |
| 1915 | |
| 1916 | num_frags = skb_shinfo(skb)->nr_frags; |
| 1917 | for (i = 0; i < num_frags; i++) { |
| 1918 | skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; |
| 1919 | |
| 1920 | if (length == 0) { |
| 1921 | /* don't need this page */ |
| 1922 | __free_page(frag->page); |
| 1923 | --skb_shinfo(skb)->nr_frags; |
| 1924 | } else { |
| 1925 | size = min(length, (unsigned) PAGE_SIZE); |
| 1926 | |
| 1927 | frag->size = size; |
| 1928 | skb->data_len += size; |
| 1929 | skb->truesize += size; |
| 1930 | skb->len += size; |
| 1931 | length -= size; |
| 1932 | } |
| 1933 | } |
| 1934 | } |
| 1935 | |
| 1936 | /* Normal packet - take skb from ring element and put in a new one */ |
| 1937 | static struct sk_buff *receive_new(struct sky2_port *sky2, |
| 1938 | struct rx_ring_info *re, |
| 1939 | unsigned int length) |
| 1940 | { |
| 1941 | struct sk_buff *skb, *nskb; |
| 1942 | unsigned hdr_space = sky2->rx_data_size; |
| 1943 | |
| 1944 | pr_debug(PFX "receive new length=%d\n", length); |
| 1945 | |
| 1946 | /* Don't be tricky about reusing pages (yet) */ |
| 1947 | nskb = sky2_rx_alloc(sky2); |
| 1948 | if (unlikely(!nskb)) |
| 1949 | return NULL; |
| 1950 | |
| 1951 | skb = re->skb; |
| 1952 | sky2_rx_unmap_skb(sky2->hw->pdev, re); |
| 1953 | |
| 1954 | prefetch(skb->data); |
| 1955 | re->skb = nskb; |
| 1956 | sky2_rx_map_skb(sky2->hw->pdev, re, hdr_space); |
| 1957 | |
| 1958 | if (skb_shinfo(skb)->nr_frags) |
| 1959 | skb_put_frags(skb, hdr_space, length); |
| 1960 | else |
Stephen Hemminger | 489b10c | 2006-10-03 16:39:12 -0700 | [diff] [blame] | 1961 | skb_put(skb, length); |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1962 | return skb; |
| 1963 | } |
| 1964 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1965 | /* |
| 1966 | * Receive one packet. |
shemminger@osdl.org | d571b69 | 2005-10-26 12:16:09 -0700 | [diff] [blame] | 1967 | * For larger packets, get new buffer. |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1968 | */ |
shemminger@osdl.org | 497d7c8 | 2006-08-28 10:00:46 -0700 | [diff] [blame] | 1969 | static struct sk_buff *sky2_receive(struct net_device *dev, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1970 | u16 length, u32 status) |
| 1971 | { |
shemminger@osdl.org | 497d7c8 | 2006-08-28 10:00:46 -0700 | [diff] [blame] | 1972 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1973 | struct rx_ring_info *re = sky2->rx_ring + sky2->rx_next; |
Stephen Hemminger | 79e57d3 | 2005-09-19 15:42:33 -0700 | [diff] [blame] | 1974 | struct sk_buff *skb = NULL; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1975 | |
| 1976 | if (unlikely(netif_msg_rx_status(sky2))) |
| 1977 | printk(KERN_DEBUG PFX "%s: rx slot %u status 0x%x len %d\n", |
shemminger@osdl.org | 497d7c8 | 2006-08-28 10:00:46 -0700 | [diff] [blame] | 1978 | dev->name, sky2->rx_next, status, length); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1979 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1980 | sky2->rx_next = (sky2->rx_next + 1) % sky2->rx_pending; |
Stephen Hemminger | d70cd51 | 2005-12-09 11:35:09 -0800 | [diff] [blame] | 1981 | prefetch(sky2->rx_ring + sky2->rx_next); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1982 | |
shemminger@osdl.org | 42eeea0 | 2005-11-30 11:45:13 -0800 | [diff] [blame] | 1983 | if (status & GMR_FS_ANY_ERR) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1984 | goto error; |
| 1985 | |
shemminger@osdl.org | 42eeea0 | 2005-11-30 11:45:13 -0800 | [diff] [blame] | 1986 | if (!(status & GMR_FS_RX_OK)) |
| 1987 | goto resubmit; |
| 1988 | |
shemminger@osdl.org | 497d7c8 | 2006-08-28 10:00:46 -0700 | [diff] [blame] | 1989 | if (length > dev->mtu + ETH_HLEN) |
Stephen Hemminger | 6e15b71 | 2005-12-20 15:08:09 -0800 | [diff] [blame] | 1990 | goto oversize; |
| 1991 | |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1992 | if (length < copybreak) |
| 1993 | skb = receive_copy(sky2, re, length); |
| 1994 | else |
| 1995 | skb = receive_new(sky2, re, length); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1996 | resubmit: |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1997 | sky2_rx_submit(sky2, re); |
Stephen Hemminger | 79e57d3 | 2005-09-19 15:42:33 -0700 | [diff] [blame] | 1998 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1999 | return skb; |
| 2000 | |
Stephen Hemminger | 6e15b71 | 2005-12-20 15:08:09 -0800 | [diff] [blame] | 2001 | oversize: |
| 2002 | ++sky2->net_stats.rx_over_errors; |
| 2003 | goto resubmit; |
| 2004 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2005 | error: |
Stephen Hemminger | 6e15b71 | 2005-12-20 15:08:09 -0800 | [diff] [blame] | 2006 | ++sky2->net_stats.rx_errors; |
Stephen Hemminger | b6d7773 | 2006-10-17 10:24:16 -0700 | [diff] [blame] | 2007 | if (status & GMR_FS_RX_FF_OV) { |
| 2008 | sky2->net_stats.rx_fifo_errors++; |
| 2009 | goto resubmit; |
| 2010 | } |
Stephen Hemminger | 6e15b71 | 2005-12-20 15:08:09 -0800 | [diff] [blame] | 2011 | |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 2012 | if (netif_msg_rx_err(sky2) && net_ratelimit()) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2013 | printk(KERN_INFO PFX "%s: rx error, status 0x%x length %d\n", |
shemminger@osdl.org | 497d7c8 | 2006-08-28 10:00:46 -0700 | [diff] [blame] | 2014 | dev->name, status, length); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2015 | |
| 2016 | if (status & (GMR_FS_LONG_ERR | GMR_FS_UN_SIZE)) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2017 | sky2->net_stats.rx_length_errors++; |
| 2018 | if (status & GMR_FS_FRAGMENT) |
| 2019 | sky2->net_stats.rx_frame_errors++; |
| 2020 | if (status & GMR_FS_CRC_ERR) |
| 2021 | sky2->net_stats.rx_crc_errors++; |
Stephen Hemminger | 79e57d3 | 2005-09-19 15:42:33 -0700 | [diff] [blame] | 2022 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2023 | goto resubmit; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2024 | } |
| 2025 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2026 | /* Transmit complete */ |
| 2027 | static inline void sky2_tx_done(struct net_device *dev, u16 last) |
Stephen Hemminger | 13b97b7 | 2005-12-09 11:35:03 -0800 | [diff] [blame] | 2028 | { |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2029 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | 302d125 | 2006-01-17 13:43:20 -0800 | [diff] [blame] | 2030 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2031 | if (netif_running(dev)) { |
Stephen Hemminger | 2bb8c26 | 2006-09-26 11:57:42 -0700 | [diff] [blame] | 2032 | netif_tx_lock(dev); |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2033 | sky2_tx_complete(sky2, last); |
Stephen Hemminger | 2bb8c26 | 2006-09-26 11:57:42 -0700 | [diff] [blame] | 2034 | netif_tx_unlock(dev); |
shemminger@osdl.org | 2224795 | 2005-11-30 11:45:19 -0800 | [diff] [blame] | 2035 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2036 | } |
| 2037 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2038 | /* Process status response ring */ |
| 2039 | static int sky2_status_intr(struct sky2_hw *hw, int to_do) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2040 | { |
Stephen Hemminger | 22e1170 | 2006-07-12 15:23:48 -0700 | [diff] [blame] | 2041 | struct sky2_port *sky2; |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2042 | int work_done = 0; |
Stephen Hemminger | 22e1170 | 2006-07-12 15:23:48 -0700 | [diff] [blame] | 2043 | unsigned buf_write[2] = { 0, 0 }; |
Stephen Hemminger | e71ebd7 | 2006-05-08 15:11:31 -0700 | [diff] [blame] | 2044 | u16 hwidx = sky2_read16(hw, STAT_PUT_IDX); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2045 | |
Stephen Hemminger | af2a58a | 2005-12-09 11:35:04 -0800 | [diff] [blame] | 2046 | rmb(); |
shemminger@osdl.org | bea8610 | 2005-10-26 12:16:10 -0700 | [diff] [blame] | 2047 | |
Stephen Hemminger | e71ebd7 | 2006-05-08 15:11:31 -0700 | [diff] [blame] | 2048 | while (hw->st_idx != hwidx) { |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 2049 | struct sky2_status_le *le = hw->st_le + hw->st_idx; |
| 2050 | struct net_device *dev; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2051 | struct sk_buff *skb; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2052 | u32 status; |
| 2053 | u16 length; |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2054 | |
Stephen Hemminger | cb5d954 | 2006-05-08 15:11:29 -0700 | [diff] [blame] | 2055 | hw->st_idx = RING_NEXT(hw->st_idx, STATUS_RING_SIZE); |
shemminger@osdl.org | bea8610 | 2005-10-26 12:16:10 -0700 | [diff] [blame] | 2056 | |
Stephen Hemminger | e71ebd7 | 2006-05-08 15:11:31 -0700 | [diff] [blame] | 2057 | BUG_ON(le->link >= 2); |
| 2058 | dev = hw->dev[le->link]; |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 2059 | |
| 2060 | sky2 = netdev_priv(dev); |
Stephen Hemminger | f65b138 | 2006-09-06 12:45:02 -0700 | [diff] [blame] | 2061 | length = le16_to_cpu(le->length); |
| 2062 | status = le32_to_cpu(le->status); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2063 | |
Stephen Hemminger | e71ebd7 | 2006-05-08 15:11:31 -0700 | [diff] [blame] | 2064 | switch (le->opcode & ~HW_OWNER) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2065 | case OP_RXSTAT: |
shemminger@osdl.org | 497d7c8 | 2006-08-28 10:00:46 -0700 | [diff] [blame] | 2066 | skb = sky2_receive(dev, length, status); |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 2067 | if (!skb) |
Stephen Hemminger | 5df7911 | 2006-12-01 14:29:33 -0800 | [diff] [blame] | 2068 | goto force_update; |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 2069 | |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 2070 | skb->protocol = eth_type_trans(skb, dev); |
| 2071 | dev->last_rx = jiffies; |
| 2072 | |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 2073 | #ifdef SKY2_VLAN_TAG_USED |
| 2074 | if (sky2->vlgrp && (status & GMR_FS_VLAN)) { |
| 2075 | vlan_hwaccel_receive_skb(skb, |
| 2076 | sky2->vlgrp, |
| 2077 | be16_to_cpu(sky2->rx_tag)); |
| 2078 | } else |
| 2079 | #endif |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2080 | netif_receive_skb(skb); |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 2081 | |
Stephen Hemminger | 22e1170 | 2006-07-12 15:23:48 -0700 | [diff] [blame] | 2082 | /* Update receiver after 16 frames */ |
| 2083 | if (++buf_write[le->link] == RX_BUF_WRITE) { |
Stephen Hemminger | 5df7911 | 2006-12-01 14:29:33 -0800 | [diff] [blame] | 2084 | force_update: |
| 2085 | sky2_put_idx(hw, rxqaddr[le->link], sky2->rx_put); |
Stephen Hemminger | 22e1170 | 2006-07-12 15:23:48 -0700 | [diff] [blame] | 2086 | buf_write[le->link] = 0; |
| 2087 | } |
| 2088 | |
| 2089 | /* Stop after net poll weight */ |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 2090 | if (++work_done >= to_do) |
| 2091 | goto exit_loop; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2092 | break; |
| 2093 | |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 2094 | #ifdef SKY2_VLAN_TAG_USED |
| 2095 | case OP_RXVLAN: |
| 2096 | sky2->rx_tag = length; |
| 2097 | break; |
| 2098 | |
| 2099 | case OP_RXCHKSVLAN: |
| 2100 | sky2->rx_tag = length; |
| 2101 | /* fall through */ |
| 2102 | #endif |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2103 | case OP_RXCHKS: |
shemminger@osdl.org | d11c13e | 2005-09-27 15:02:56 -0700 | [diff] [blame] | 2104 | skb = sky2->rx_ring[sky2->rx_next].skb; |
Patrick McHardy | 84fa793 | 2006-08-29 16:44:56 -0700 | [diff] [blame] | 2105 | skb->ip_summed = CHECKSUM_COMPLETE; |
Stephen Hemminger | f65b138 | 2006-09-06 12:45:02 -0700 | [diff] [blame] | 2106 | skb->csum = status & 0xffff; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2107 | break; |
| 2108 | |
| 2109 | case OP_TXINDEXLE: |
Stephen Hemminger | 13b97b7 | 2005-12-09 11:35:03 -0800 | [diff] [blame] | 2110 | /* TX index reports status for both ports */ |
Stephen Hemminger | f55925d | 2006-05-08 15:11:28 -0700 | [diff] [blame] | 2111 | BUILD_BUG_ON(TX_RING_SIZE > 0x1000); |
| 2112 | sky2_tx_done(hw->dev[0], status & 0xfff); |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2113 | if (hw->dev[1]) |
| 2114 | sky2_tx_done(hw->dev[1], |
| 2115 | ((status >> 24) & 0xff) |
| 2116 | | (u16)(length & 0xf) << 8); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2117 | break; |
| 2118 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2119 | default: |
| 2120 | if (net_ratelimit()) |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2121 | printk(KERN_WARNING PFX |
Stephen Hemminger | e71ebd7 | 2006-05-08 15:11:31 -0700 | [diff] [blame] | 2122 | "unknown status opcode 0x%x\n", le->opcode); |
| 2123 | goto exit_loop; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2124 | } |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 2125 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2126 | |
Stephen Hemminger | fe2a24d | 2006-08-01 11:55:23 -0700 | [diff] [blame] | 2127 | /* Fully processed status ring so clear irq */ |
| 2128 | sky2_write32(hw, STAT_CTRL, SC_STAT_CLR_IRQ); |
| 2129 | |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 2130 | exit_loop: |
Stephen Hemminger | 22e1170 | 2006-07-12 15:23:48 -0700 | [diff] [blame] | 2131 | if (buf_write[0]) { |
| 2132 | sky2 = netdev_priv(hw->dev[0]); |
| 2133 | sky2_put_idx(hw, Q_R1, sky2->rx_put); |
| 2134 | } |
| 2135 | |
| 2136 | if (buf_write[1]) { |
| 2137 | sky2 = netdev_priv(hw->dev[1]); |
| 2138 | sky2_put_idx(hw, Q_R2, sky2->rx_put); |
| 2139 | } |
| 2140 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2141 | return work_done; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2142 | } |
| 2143 | |
| 2144 | static void sky2_hw_error(struct sky2_hw *hw, unsigned port, u32 status) |
| 2145 | { |
| 2146 | struct net_device *dev = hw->dev[port]; |
| 2147 | |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 2148 | if (net_ratelimit()) |
| 2149 | printk(KERN_INFO PFX "%s: hw error interrupt status 0x%x\n", |
| 2150 | dev->name, status); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2151 | |
| 2152 | if (status & Y2_IS_PAR_RD1) { |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 2153 | if (net_ratelimit()) |
| 2154 | printk(KERN_ERR PFX "%s: ram data read parity error\n", |
| 2155 | dev->name); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2156 | /* Clear IRQ */ |
| 2157 | sky2_write16(hw, RAM_BUFFER(port, B3_RI_CTRL), RI_CLR_RD_PERR); |
| 2158 | } |
| 2159 | |
| 2160 | if (status & Y2_IS_PAR_WR1) { |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 2161 | if (net_ratelimit()) |
| 2162 | printk(KERN_ERR PFX "%s: ram data write parity error\n", |
| 2163 | dev->name); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2164 | |
| 2165 | sky2_write16(hw, RAM_BUFFER(port, B3_RI_CTRL), RI_CLR_WR_PERR); |
| 2166 | } |
| 2167 | |
| 2168 | if (status & Y2_IS_PAR_MAC1) { |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 2169 | if (net_ratelimit()) |
| 2170 | printk(KERN_ERR PFX "%s: MAC parity error\n", dev->name); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2171 | sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_CLI_TX_PE); |
| 2172 | } |
| 2173 | |
| 2174 | if (status & Y2_IS_PAR_RX1) { |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 2175 | if (net_ratelimit()) |
| 2176 | printk(KERN_ERR PFX "%s: RX parity error\n", dev->name); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2177 | sky2_write32(hw, Q_ADDR(rxqaddr[port], Q_CSR), BMU_CLR_IRQ_PAR); |
| 2178 | } |
| 2179 | |
| 2180 | if (status & Y2_IS_TCP_TXA1) { |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 2181 | if (net_ratelimit()) |
| 2182 | printk(KERN_ERR PFX "%s: TCP segmentation error\n", |
| 2183 | dev->name); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2184 | sky2_write32(hw, Q_ADDR(txqaddr[port], Q_CSR), BMU_CLR_IRQ_TCP); |
| 2185 | } |
| 2186 | } |
| 2187 | |
| 2188 | static void sky2_hw_intr(struct sky2_hw *hw) |
| 2189 | { |
| 2190 | u32 status = sky2_read32(hw, B0_HWE_ISRC); |
| 2191 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2192 | if (status & Y2_IS_TIST_OV) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2193 | sky2_write8(hw, GMAC_TI_ST_CTRL, GMT_ST_CLR_IRQ); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2194 | |
| 2195 | if (status & (Y2_IS_MST_ERR | Y2_IS_IRQ_STAT)) { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2196 | u16 pci_err; |
| 2197 | |
Stephen Hemminger | 56a645c | 2006-02-22 11:45:02 -0800 | [diff] [blame] | 2198 | pci_err = sky2_pci_read16(hw, PCI_STATUS); |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 2199 | if (net_ratelimit()) |
| 2200 | printk(KERN_ERR PFX "%s: pci hw error (0x%x)\n", |
| 2201 | pci_name(hw->pdev), pci_err); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2202 | |
| 2203 | sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON); |
Stephen Hemminger | 56a645c | 2006-02-22 11:45:02 -0800 | [diff] [blame] | 2204 | sky2_pci_write16(hw, PCI_STATUS, |
Stephen Hemminger | 91aeb3e | 2006-09-26 11:57:38 -0700 | [diff] [blame] | 2205 | pci_err | PCI_STATUS_ERROR_BITS); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2206 | sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF); |
| 2207 | } |
| 2208 | |
| 2209 | if (status & Y2_IS_PCI_EXP) { |
shemminger@osdl.org | d571b69 | 2005-10-26 12:16:09 -0700 | [diff] [blame] | 2210 | /* PCI-Express uncorrectable Error occurred */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2211 | u32 pex_err; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2212 | |
Stephen Hemminger | 7bd656d | 2006-10-09 14:40:38 -0700 | [diff] [blame] | 2213 | pex_err = sky2_pci_read32(hw, PEX_UNC_ERR_STAT); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2214 | |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 2215 | if (net_ratelimit()) |
| 2216 | printk(KERN_ERR PFX "%s: pci express error (0x%x)\n", |
| 2217 | pci_name(hw->pdev), pex_err); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2218 | |
| 2219 | /* clear the interrupt */ |
| 2220 | sky2_write32(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON); |
Stephen Hemminger | 7bd656d | 2006-10-09 14:40:38 -0700 | [diff] [blame] | 2221 | sky2_pci_write32(hw, PEX_UNC_ERR_STAT, |
| 2222 | 0xffffffffUL); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2223 | sky2_write32(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF); |
| 2224 | |
Stephen Hemminger | 7bd656d | 2006-10-09 14:40:38 -0700 | [diff] [blame] | 2225 | if (pex_err & PEX_FATAL_ERRORS) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2226 | u32 hwmsk = sky2_read32(hw, B0_HWE_IMSK); |
| 2227 | hwmsk &= ~Y2_IS_PCI_EXP; |
| 2228 | sky2_write32(hw, B0_HWE_IMSK, hwmsk); |
| 2229 | } |
| 2230 | } |
| 2231 | |
| 2232 | if (status & Y2_HWE_L1_MASK) |
| 2233 | sky2_hw_error(hw, 0, status); |
| 2234 | status >>= 8; |
| 2235 | if (status & Y2_HWE_L1_MASK) |
| 2236 | sky2_hw_error(hw, 1, status); |
| 2237 | } |
| 2238 | |
| 2239 | static void sky2_mac_intr(struct sky2_hw *hw, unsigned port) |
| 2240 | { |
| 2241 | struct net_device *dev = hw->dev[port]; |
| 2242 | struct sky2_port *sky2 = netdev_priv(dev); |
| 2243 | u8 status = sky2_read8(hw, SK_REG(port, GMAC_IRQ_SRC)); |
| 2244 | |
| 2245 | if (netif_msg_intr(sky2)) |
| 2246 | printk(KERN_INFO PFX "%s: mac interrupt status 0x%x\n", |
| 2247 | dev->name, status); |
| 2248 | |
| 2249 | if (status & GM_IS_RX_FF_OR) { |
| 2250 | ++sky2->net_stats.rx_fifo_errors; |
| 2251 | sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_CLI_RX_FO); |
| 2252 | } |
| 2253 | |
| 2254 | if (status & GM_IS_TX_FF_UR) { |
| 2255 | ++sky2->net_stats.tx_fifo_errors; |
| 2256 | sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_CLI_TX_FU); |
| 2257 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2258 | } |
| 2259 | |
Stephen Hemminger | d257924 | 2006-03-20 15:48:22 -0800 | [diff] [blame] | 2260 | /* This should never happen it is a fatal situation */ |
| 2261 | static void sky2_descriptor_error(struct sky2_hw *hw, unsigned port, |
| 2262 | const char *rxtx, u32 mask) |
| 2263 | { |
| 2264 | struct net_device *dev = hw->dev[port]; |
| 2265 | struct sky2_port *sky2 = netdev_priv(dev); |
| 2266 | u32 imask; |
| 2267 | |
| 2268 | printk(KERN_ERR PFX "%s: %s descriptor error (hardware problem)\n", |
| 2269 | dev ? dev->name : "<not registered>", rxtx); |
| 2270 | |
| 2271 | imask = sky2_read32(hw, B0_IMSK); |
| 2272 | imask &= ~mask; |
| 2273 | sky2_write32(hw, B0_IMSK, imask); |
| 2274 | |
| 2275 | if (dev) { |
| 2276 | spin_lock(&sky2->phy_lock); |
| 2277 | sky2_link_down(sky2); |
| 2278 | spin_unlock(&sky2->phy_lock); |
| 2279 | } |
| 2280 | } |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2281 | |
Stephen Hemminger | d27ed38 | 2006-04-25 10:58:51 -0700 | [diff] [blame] | 2282 | /* If idle then force a fake soft NAPI poll once a second |
| 2283 | * to work around cases where sharing an edge triggered interrupt. |
| 2284 | */ |
Stephen Hemminger | eb35cf6 | 2006-06-13 17:17:31 +0900 | [diff] [blame] | 2285 | static inline void sky2_idle_start(struct sky2_hw *hw) |
| 2286 | { |
| 2287 | if (idle_timeout > 0) |
| 2288 | mod_timer(&hw->idle_timer, |
| 2289 | jiffies + msecs_to_jiffies(idle_timeout)); |
| 2290 | } |
| 2291 | |
Stephen Hemminger | d27ed38 | 2006-04-25 10:58:51 -0700 | [diff] [blame] | 2292 | static void sky2_idle(unsigned long arg) |
| 2293 | { |
Stephen Hemminger | 01bd756 | 2006-05-08 15:11:30 -0700 | [diff] [blame] | 2294 | struct sky2_hw *hw = (struct sky2_hw *) arg; |
| 2295 | struct net_device *dev = hw->dev[0]; |
Stephen Hemminger | d27ed38 | 2006-04-25 10:58:51 -0700 | [diff] [blame] | 2296 | |
Stephen Hemminger | d27ed38 | 2006-04-25 10:58:51 -0700 | [diff] [blame] | 2297 | if (__netif_rx_schedule_prep(dev)) |
| 2298 | __netif_rx_schedule(dev); |
Stephen Hemminger | 01bd756 | 2006-05-08 15:11:30 -0700 | [diff] [blame] | 2299 | |
| 2300 | mod_timer(&hw->idle_timer, jiffies + msecs_to_jiffies(idle_timeout)); |
Stephen Hemminger | d27ed38 | 2006-04-25 10:58:51 -0700 | [diff] [blame] | 2301 | } |
| 2302 | |
| 2303 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2304 | static int sky2_poll(struct net_device *dev0, int *budget) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2305 | { |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2306 | struct sky2_hw *hw = ((struct sky2_port *) netdev_priv(dev0))->hw; |
| 2307 | int work_limit = min(dev0->quota, *budget); |
| 2308 | int work_done = 0; |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 2309 | u32 status = sky2_read32(hw, B0_Y2_SP_EISR); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2310 | |
Stephen Hemminger | 1e5f128 | 2006-05-08 15:11:27 -0700 | [diff] [blame] | 2311 | if (status & Y2_IS_HW_ERR) |
| 2312 | sky2_hw_intr(hw); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2313 | |
Stephen Hemminger | 1e5f128 | 2006-05-08 15:11:27 -0700 | [diff] [blame] | 2314 | if (status & Y2_IS_IRQ_PHY1) |
| 2315 | sky2_phy_intr(hw, 0); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2316 | |
Stephen Hemminger | 1e5f128 | 2006-05-08 15:11:27 -0700 | [diff] [blame] | 2317 | if (status & Y2_IS_IRQ_PHY2) |
| 2318 | sky2_phy_intr(hw, 1); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2319 | |
Stephen Hemminger | 1e5f128 | 2006-05-08 15:11:27 -0700 | [diff] [blame] | 2320 | if (status & Y2_IS_IRQ_MAC1) |
| 2321 | sky2_mac_intr(hw, 0); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2322 | |
Stephen Hemminger | 1e5f128 | 2006-05-08 15:11:27 -0700 | [diff] [blame] | 2323 | if (status & Y2_IS_IRQ_MAC2) |
| 2324 | sky2_mac_intr(hw, 1); |
Stephen Hemminger | d257924 | 2006-03-20 15:48:22 -0800 | [diff] [blame] | 2325 | |
Stephen Hemminger | 1e5f128 | 2006-05-08 15:11:27 -0700 | [diff] [blame] | 2326 | if (status & Y2_IS_CHK_RX1) |
| 2327 | sky2_descriptor_error(hw, 0, "receive", Y2_IS_CHK_RX1); |
Stephen Hemminger | d257924 | 2006-03-20 15:48:22 -0800 | [diff] [blame] | 2328 | |
Stephen Hemminger | 1e5f128 | 2006-05-08 15:11:27 -0700 | [diff] [blame] | 2329 | if (status & Y2_IS_CHK_RX2) |
| 2330 | sky2_descriptor_error(hw, 1, "receive", Y2_IS_CHK_RX2); |
Stephen Hemminger | d257924 | 2006-03-20 15:48:22 -0800 | [diff] [blame] | 2331 | |
Stephen Hemminger | 1e5f128 | 2006-05-08 15:11:27 -0700 | [diff] [blame] | 2332 | if (status & Y2_IS_CHK_TXA1) |
| 2333 | sky2_descriptor_error(hw, 0, "transmit", Y2_IS_CHK_TXA1); |
Stephen Hemminger | d257924 | 2006-03-20 15:48:22 -0800 | [diff] [blame] | 2334 | |
Stephen Hemminger | 1e5f128 | 2006-05-08 15:11:27 -0700 | [diff] [blame] | 2335 | if (status & Y2_IS_CHK_TXA2) |
| 2336 | sky2_descriptor_error(hw, 1, "transmit", Y2_IS_CHK_TXA2); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2337 | |
Stephen Hemminger | 1e5f128 | 2006-05-08 15:11:27 -0700 | [diff] [blame] | 2338 | work_done = sky2_status_intr(hw, work_limit); |
Stephen Hemminger | fe2a24d | 2006-08-01 11:55:23 -0700 | [diff] [blame] | 2339 | if (work_done < work_limit) { |
| 2340 | netif_rx_complete(dev0); |
Stephen Hemminger | 1e5f128 | 2006-05-08 15:11:27 -0700 | [diff] [blame] | 2341 | |
Stephen Hemminger | fe2a24d | 2006-08-01 11:55:23 -0700 | [diff] [blame] | 2342 | sky2_read32(hw, B0_Y2_SP_LISR); |
| 2343 | return 0; |
| 2344 | } else { |
| 2345 | *budget -= work_done; |
| 2346 | dev0->quota -= work_done; |
Stephen Hemminger | 1e5f128 | 2006-05-08 15:11:27 -0700 | [diff] [blame] | 2347 | return 1; |
Stephen Hemminger | fe2a24d | 2006-08-01 11:55:23 -0700 | [diff] [blame] | 2348 | } |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2349 | } |
| 2350 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 2351 | static irqreturn_t sky2_intr(int irq, void *dev_id) |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2352 | { |
| 2353 | struct sky2_hw *hw = dev_id; |
| 2354 | struct net_device *dev0 = hw->dev[0]; |
| 2355 | u32 status; |
| 2356 | |
| 2357 | /* Reading this mask interrupts as side effect */ |
| 2358 | status = sky2_read32(hw, B0_Y2_SP_ISRC2); |
| 2359 | if (status == 0 || status == ~0) |
| 2360 | return IRQ_NONE; |
| 2361 | |
| 2362 | prefetch(&hw->st_le[hw->st_idx]); |
| 2363 | if (likely(__netif_rx_schedule_prep(dev0))) |
| 2364 | __netif_rx_schedule(dev0); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2365 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2366 | return IRQ_HANDLED; |
| 2367 | } |
| 2368 | |
| 2369 | #ifdef CONFIG_NET_POLL_CONTROLLER |
| 2370 | static void sky2_netpoll(struct net_device *dev) |
| 2371 | { |
| 2372 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | 88d1136 | 2006-06-16 12:10:46 -0700 | [diff] [blame] | 2373 | struct net_device *dev0 = sky2->hw->dev[0]; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2374 | |
Stephen Hemminger | 88d1136 | 2006-06-16 12:10:46 -0700 | [diff] [blame] | 2375 | if (netif_running(dev) && __netif_rx_schedule_prep(dev0)) |
| 2376 | __netif_rx_schedule(dev0); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2377 | } |
| 2378 | #endif |
| 2379 | |
| 2380 | /* Chip internal frequency for clock calculations */ |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 2381 | static inline u32 sky2_mhz(const struct sky2_hw *hw) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2382 | { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2383 | switch (hw->chip_id) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2384 | case CHIP_ID_YUKON_EC: |
shemminger@osdl.org | 5a5b1ea | 2005-11-30 11:45:15 -0800 | [diff] [blame] | 2385 | case CHIP_ID_YUKON_EC_U: |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 2386 | return 125; /* 125 Mhz */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2387 | case CHIP_ID_YUKON_FE: |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 2388 | return 100; /* 100 Mhz */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2389 | default: /* YUKON_XL */ |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 2390 | return 156; /* 156 Mhz */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2391 | } |
| 2392 | } |
| 2393 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2394 | static inline u32 sky2_us2clk(const struct sky2_hw *hw, u32 us) |
| 2395 | { |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 2396 | return sky2_mhz(hw) * us; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2397 | } |
| 2398 | |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 2399 | static inline u32 sky2_clk2us(const struct sky2_hw *hw, u32 clk) |
| 2400 | { |
| 2401 | return clk / sky2_mhz(hw); |
| 2402 | } |
| 2403 | |
| 2404 | |
Stephen Hemminger | 5913952 | 2006-07-12 15:23:45 -0700 | [diff] [blame] | 2405 | static int sky2_reset(struct sky2_hw *hw) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2406 | { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2407 | u16 status; |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 2408 | u8 t8; |
Stephen Hemminger | 56a645c | 2006-02-22 11:45:02 -0800 | [diff] [blame] | 2409 | int i; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2410 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2411 | sky2_write8(hw, B0_CTST, CS_RST_CLR); |
Stephen Hemminger | 08c06d8 | 2006-01-30 11:37:54 -0800 | [diff] [blame] | 2412 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2413 | hw->chip_id = sky2_read8(hw, B2_CHIP_ID); |
| 2414 | if (hw->chip_id < CHIP_ID_YUKON_XL || hw->chip_id > CHIP_ID_YUKON_FE) { |
| 2415 | printk(KERN_ERR PFX "%s: unsupported chip type 0x%x\n", |
| 2416 | pci_name(hw->pdev), hw->chip_id); |
| 2417 | return -EOPNOTSUPP; |
| 2418 | } |
| 2419 | |
Stephen Hemminger | 290d4de | 2006-03-20 15:48:15 -0800 | [diff] [blame] | 2420 | hw->chip_rev = (sky2_read8(hw, B2_MAC_CFG) & CFG_CHIP_R_MSK) >> 4; |
| 2421 | |
| 2422 | /* This rev is really old, and requires untested workarounds */ |
| 2423 | if (hw->chip_id == CHIP_ID_YUKON_EC && hw->chip_rev == CHIP_REV_YU_EC_A1) { |
| 2424 | printk(KERN_ERR PFX "%s: unsupported revision Yukon-%s (0x%x) rev %d\n", |
| 2425 | pci_name(hw->pdev), yukon2_name[hw->chip_id - CHIP_ID_YUKON_XL], |
| 2426 | hw->chip_id, hw->chip_rev); |
| 2427 | return -EOPNOTSUPP; |
| 2428 | } |
| 2429 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2430 | /* disable ASF */ |
| 2431 | if (hw->chip_id <= CHIP_ID_YUKON_EC) { |
| 2432 | sky2_write8(hw, B28_Y2_ASF_STAT_CMD, Y2_ASF_RESET); |
| 2433 | sky2_write16(hw, B0_CTST, Y2_ASF_DISABLE); |
| 2434 | } |
| 2435 | |
| 2436 | /* do a SW reset */ |
| 2437 | sky2_write8(hw, B0_CTST, CS_RST_SET); |
| 2438 | sky2_write8(hw, B0_CTST, CS_RST_CLR); |
| 2439 | |
| 2440 | /* clear PCI errors, if any */ |
Stephen Hemminger | 56a645c | 2006-02-22 11:45:02 -0800 | [diff] [blame] | 2441 | status = sky2_pci_read16(hw, PCI_STATUS); |
Stephen Hemminger | 2d42d21 | 2006-01-30 11:37:55 -0800 | [diff] [blame] | 2442 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2443 | sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON); |
Stephen Hemminger | 56a645c | 2006-02-22 11:45:02 -0800 | [diff] [blame] | 2444 | sky2_pci_write16(hw, PCI_STATUS, status | PCI_STATUS_ERROR_BITS); |
| 2445 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2446 | |
| 2447 | sky2_write8(hw, B0_CTST, CS_MRST_CLR); |
| 2448 | |
| 2449 | /* clear any PEX errors */ |
Stephen Hemminger | 7bd656d | 2006-10-09 14:40:38 -0700 | [diff] [blame] | 2450 | if (pci_find_capability(hw->pdev, PCI_CAP_ID_EXP)) |
| 2451 | sky2_pci_write32(hw, PEX_UNC_ERR_STAT, 0xffffffffUL); |
| 2452 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2453 | |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 2454 | hw->pmd_type = sky2_read8(hw, B2_PMD_TYP); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2455 | hw->ports = 1; |
| 2456 | t8 = sky2_read8(hw, B2_Y2_HW_RES); |
| 2457 | if ((t8 & CFG_DUAL_MAC_MSK) == CFG_DUAL_MAC_MSK) { |
| 2458 | if (!(sky2_read8(hw, B2_Y2_CLK_GATE) & Y2_STATUS_LNK2_INAC)) |
| 2459 | ++hw->ports; |
| 2460 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2461 | |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 2462 | sky2_set_power_state(hw, PCI_D0); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2463 | |
| 2464 | for (i = 0; i < hw->ports; i++) { |
| 2465 | sky2_write8(hw, SK_REG(i, GMAC_LINK_CTRL), GMLC_RST_SET); |
| 2466 | sky2_write8(hw, SK_REG(i, GMAC_LINK_CTRL), GMLC_RST_CLR); |
| 2467 | } |
| 2468 | |
| 2469 | sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF); |
| 2470 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2471 | /* Clear I2C IRQ noise */ |
| 2472 | sky2_write32(hw, B2_I2C_IRQ, 1); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2473 | |
| 2474 | /* turn off hardware timer (unused) */ |
| 2475 | sky2_write8(hw, B2_TI_CTRL, TIM_STOP); |
| 2476 | sky2_write8(hw, B2_TI_CTRL, TIM_CLR_IRQ); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2477 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2478 | sky2_write8(hw, B0_Y2LED, LED_STAT_ON); |
| 2479 | |
Stephen Hemminger | 69634ee | 2005-12-09 11:35:06 -0800 | [diff] [blame] | 2480 | /* Turn off descriptor polling */ |
| 2481 | sky2_write32(hw, B28_DPT_CTRL, DPT_STOP); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2482 | |
| 2483 | /* Turn off receive timestamp */ |
| 2484 | sky2_write8(hw, GMAC_TI_ST_CTRL, GMT_ST_STOP); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2485 | sky2_write8(hw, GMAC_TI_ST_CTRL, GMT_ST_CLR_IRQ); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2486 | |
| 2487 | /* enable the Tx Arbiters */ |
| 2488 | for (i = 0; i < hw->ports; i++) |
| 2489 | sky2_write8(hw, SK_REG(i, TXA_CTRL), TXA_ENA_ARB); |
| 2490 | |
| 2491 | /* Initialize ram interface */ |
| 2492 | for (i = 0; i < hw->ports; i++) { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2493 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_CTRL), RI_RST_CLR); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2494 | |
| 2495 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_WTO_R1), SK_RI_TO_53); |
| 2496 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_WTO_XA1), SK_RI_TO_53); |
| 2497 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_WTO_XS1), SK_RI_TO_53); |
| 2498 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_RTO_R1), SK_RI_TO_53); |
| 2499 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_RTO_XA1), SK_RI_TO_53); |
| 2500 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_RTO_XS1), SK_RI_TO_53); |
| 2501 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_WTO_R2), SK_RI_TO_53); |
| 2502 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_WTO_XA2), SK_RI_TO_53); |
| 2503 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_WTO_XS2), SK_RI_TO_53); |
| 2504 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_RTO_R2), SK_RI_TO_53); |
| 2505 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_RTO_XA2), SK_RI_TO_53); |
| 2506 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_RTO_XS2), SK_RI_TO_53); |
| 2507 | } |
| 2508 | |
Stephen Hemminger | 7bd656d | 2006-10-09 14:40:38 -0700 | [diff] [blame] | 2509 | sky2_write32(hw, B0_HWE_IMSK, Y2_HWE_ALL_MASK); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2510 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2511 | for (i = 0; i < hw->ports; i++) |
shemminger@osdl.org | d3bcfbe | 2006-08-28 10:00:51 -0700 | [diff] [blame] | 2512 | sky2_gmac_reset(hw, i); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2513 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2514 | memset(hw->st_le, 0, STATUS_LE_BYTES); |
| 2515 | hw->st_idx = 0; |
| 2516 | |
| 2517 | sky2_write32(hw, STAT_CTRL, SC_STAT_RST_SET); |
| 2518 | sky2_write32(hw, STAT_CTRL, SC_STAT_RST_CLR); |
| 2519 | |
| 2520 | sky2_write32(hw, STAT_LIST_ADDR_LO, hw->st_dma); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2521 | sky2_write32(hw, STAT_LIST_ADDR_HI, (u64) hw->st_dma >> 32); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2522 | |
| 2523 | /* Set the list last index */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2524 | sky2_write16(hw, STAT_LAST_IDX, STATUS_RING_SIZE - 1); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2525 | |
Stephen Hemminger | 290d4de | 2006-03-20 15:48:15 -0800 | [diff] [blame] | 2526 | sky2_write16(hw, STAT_TX_IDX_TH, 10); |
| 2527 | sky2_write8(hw, STAT_FIFO_WM, 16); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2528 | |
Stephen Hemminger | 290d4de | 2006-03-20 15:48:15 -0800 | [diff] [blame] | 2529 | /* set Status-FIFO ISR watermark */ |
| 2530 | if (hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev == 0) |
| 2531 | sky2_write8(hw, STAT_FIFO_ISR_WM, 4); |
| 2532 | else |
| 2533 | sky2_write8(hw, STAT_FIFO_ISR_WM, 16); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2534 | |
Stephen Hemminger | 290d4de | 2006-03-20 15:48:15 -0800 | [diff] [blame] | 2535 | sky2_write32(hw, STAT_TX_TIMER_INI, sky2_us2clk(hw, 1000)); |
Stephen Hemminger | 77b3d6a | 2006-03-20 15:48:18 -0800 | [diff] [blame] | 2536 | sky2_write32(hw, STAT_ISR_TIMER_INI, sky2_us2clk(hw, 20)); |
| 2537 | sky2_write32(hw, STAT_LEV_TIMER_INI, sky2_us2clk(hw, 100)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2538 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2539 | /* enable status unit */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2540 | sky2_write32(hw, STAT_CTRL, SC_STAT_OP_ON); |
| 2541 | |
| 2542 | sky2_write8(hw, STAT_TX_TIMER_CTRL, TIM_START); |
| 2543 | sky2_write8(hw, STAT_LEV_TIMER_CTRL, TIM_START); |
| 2544 | sky2_write8(hw, STAT_ISR_TIMER_CTRL, TIM_START); |
| 2545 | |
| 2546 | return 0; |
| 2547 | } |
| 2548 | |
Stephen Hemminger | 28bd181 | 2006-01-17 13:43:19 -0800 | [diff] [blame] | 2549 | static u32 sky2_supported_modes(const struct sky2_hw *hw) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2550 | { |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 2551 | if (sky2_is_copper(hw)) { |
| 2552 | u32 modes = SUPPORTED_10baseT_Half |
| 2553 | | SUPPORTED_10baseT_Full |
| 2554 | | SUPPORTED_100baseT_Half |
| 2555 | | SUPPORTED_100baseT_Full |
| 2556 | | SUPPORTED_Autoneg | SUPPORTED_TP; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2557 | |
| 2558 | if (hw->chip_id != CHIP_ID_YUKON_FE) |
| 2559 | modes |= SUPPORTED_1000baseT_Half |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 2560 | | SUPPORTED_1000baseT_Full; |
| 2561 | return modes; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2562 | } else |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 2563 | return SUPPORTED_1000baseT_Half |
| 2564 | | SUPPORTED_1000baseT_Full |
| 2565 | | SUPPORTED_Autoneg |
| 2566 | | SUPPORTED_FIBRE; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2567 | } |
| 2568 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2569 | 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] | 2570 | { |
| 2571 | struct sky2_port *sky2 = netdev_priv(dev); |
| 2572 | struct sky2_hw *hw = sky2->hw; |
| 2573 | |
| 2574 | ecmd->transceiver = XCVR_INTERNAL; |
| 2575 | ecmd->supported = sky2_supported_modes(hw); |
| 2576 | ecmd->phy_address = PHY_ADDR_MARV; |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 2577 | if (sky2_is_copper(hw)) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2578 | ecmd->supported = SUPPORTED_10baseT_Half |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2579 | | SUPPORTED_10baseT_Full |
| 2580 | | SUPPORTED_100baseT_Half |
| 2581 | | SUPPORTED_100baseT_Full |
| 2582 | | SUPPORTED_1000baseT_Half |
| 2583 | | SUPPORTED_1000baseT_Full |
| 2584 | | SUPPORTED_Autoneg | SUPPORTED_TP; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2585 | ecmd->port = PORT_TP; |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 2586 | ecmd->speed = sky2->speed; |
| 2587 | } else { |
| 2588 | ecmd->speed = SPEED_1000; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2589 | ecmd->port = PORT_FIBRE; |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 2590 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2591 | |
| 2592 | ecmd->advertising = sky2->advertising; |
| 2593 | ecmd->autoneg = sky2->autoneg; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2594 | ecmd->duplex = sky2->duplex; |
| 2595 | return 0; |
| 2596 | } |
| 2597 | |
| 2598 | static int sky2_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd) |
| 2599 | { |
| 2600 | struct sky2_port *sky2 = netdev_priv(dev); |
| 2601 | const struct sky2_hw *hw = sky2->hw; |
| 2602 | u32 supported = sky2_supported_modes(hw); |
| 2603 | |
| 2604 | if (ecmd->autoneg == AUTONEG_ENABLE) { |
| 2605 | ecmd->advertising = supported; |
| 2606 | sky2->duplex = -1; |
| 2607 | sky2->speed = -1; |
| 2608 | } else { |
| 2609 | u32 setting; |
| 2610 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2611 | switch (ecmd->speed) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2612 | case SPEED_1000: |
| 2613 | if (ecmd->duplex == DUPLEX_FULL) |
| 2614 | setting = SUPPORTED_1000baseT_Full; |
| 2615 | else if (ecmd->duplex == DUPLEX_HALF) |
| 2616 | setting = SUPPORTED_1000baseT_Half; |
| 2617 | else |
| 2618 | return -EINVAL; |
| 2619 | break; |
| 2620 | case SPEED_100: |
| 2621 | if (ecmd->duplex == DUPLEX_FULL) |
| 2622 | setting = SUPPORTED_100baseT_Full; |
| 2623 | else if (ecmd->duplex == DUPLEX_HALF) |
| 2624 | setting = SUPPORTED_100baseT_Half; |
| 2625 | else |
| 2626 | return -EINVAL; |
| 2627 | break; |
| 2628 | |
| 2629 | case SPEED_10: |
| 2630 | if (ecmd->duplex == DUPLEX_FULL) |
| 2631 | setting = SUPPORTED_10baseT_Full; |
| 2632 | else if (ecmd->duplex == DUPLEX_HALF) |
| 2633 | setting = SUPPORTED_10baseT_Half; |
| 2634 | else |
| 2635 | return -EINVAL; |
| 2636 | break; |
| 2637 | default: |
| 2638 | return -EINVAL; |
| 2639 | } |
| 2640 | |
| 2641 | if ((setting & supported) == 0) |
| 2642 | return -EINVAL; |
| 2643 | |
| 2644 | sky2->speed = ecmd->speed; |
| 2645 | sky2->duplex = ecmd->duplex; |
| 2646 | } |
| 2647 | |
| 2648 | sky2->autoneg = ecmd->autoneg; |
| 2649 | sky2->advertising = ecmd->advertising; |
| 2650 | |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 2651 | if (netif_running(dev)) |
| 2652 | sky2_phy_reinit(sky2); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2653 | |
| 2654 | return 0; |
| 2655 | } |
| 2656 | |
| 2657 | static void sky2_get_drvinfo(struct net_device *dev, |
| 2658 | struct ethtool_drvinfo *info) |
| 2659 | { |
| 2660 | struct sky2_port *sky2 = netdev_priv(dev); |
| 2661 | |
| 2662 | strcpy(info->driver, DRV_NAME); |
| 2663 | strcpy(info->version, DRV_VERSION); |
| 2664 | strcpy(info->fw_version, "N/A"); |
| 2665 | strcpy(info->bus_info, pci_name(sky2->hw->pdev)); |
| 2666 | } |
| 2667 | |
| 2668 | static const struct sky2_stat { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2669 | char name[ETH_GSTRING_LEN]; |
| 2670 | u16 offset; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2671 | } sky2_stats[] = { |
| 2672 | { "tx_bytes", GM_TXO_OK_HI }, |
| 2673 | { "rx_bytes", GM_RXO_OK_HI }, |
| 2674 | { "tx_broadcast", GM_TXF_BC_OK }, |
| 2675 | { "rx_broadcast", GM_RXF_BC_OK }, |
| 2676 | { "tx_multicast", GM_TXF_MC_OK }, |
| 2677 | { "rx_multicast", GM_RXF_MC_OK }, |
| 2678 | { "tx_unicast", GM_TXF_UC_OK }, |
| 2679 | { "rx_unicast", GM_RXF_UC_OK }, |
| 2680 | { "tx_mac_pause", GM_TXF_MPAUSE }, |
| 2681 | { "rx_mac_pause", GM_RXF_MPAUSE }, |
Stephen Hemminger | eadfa7dd | 2006-03-22 10:38:45 -0800 | [diff] [blame] | 2682 | { "collisions", GM_TXF_COL }, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2683 | { "late_collision",GM_TXF_LAT_COL }, |
| 2684 | { "aborted", GM_TXF_ABO_COL }, |
Stephen Hemminger | eadfa7dd | 2006-03-22 10:38:45 -0800 | [diff] [blame] | 2685 | { "single_collisions", GM_TXF_SNG_COL }, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2686 | { "multi_collisions", GM_TXF_MUL_COL }, |
Stephen Hemminger | eadfa7dd | 2006-03-22 10:38:45 -0800 | [diff] [blame] | 2687 | |
Stephen Hemminger | d260454 | 2006-03-23 08:51:36 -0800 | [diff] [blame] | 2688 | { "rx_short", GM_RXF_SHT }, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2689 | { "rx_runt", GM_RXE_FRAG }, |
Stephen Hemminger | eadfa7dd | 2006-03-22 10:38:45 -0800 | [diff] [blame] | 2690 | { "rx_64_byte_packets", GM_RXF_64B }, |
| 2691 | { "rx_65_to_127_byte_packets", GM_RXF_127B }, |
| 2692 | { "rx_128_to_255_byte_packets", GM_RXF_255B }, |
| 2693 | { "rx_256_to_511_byte_packets", GM_RXF_511B }, |
| 2694 | { "rx_512_to_1023_byte_packets", GM_RXF_1023B }, |
| 2695 | { "rx_1024_to_1518_byte_packets", GM_RXF_1518B }, |
| 2696 | { "rx_1518_to_max_byte_packets", GM_RXF_MAX_SZ }, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2697 | { "rx_too_long", GM_RXF_LNG_ERR }, |
Stephen Hemminger | eadfa7dd | 2006-03-22 10:38:45 -0800 | [diff] [blame] | 2698 | { "rx_fifo_overflow", GM_RXE_FIFO_OV }, |
| 2699 | { "rx_jabber", GM_RXF_JAB_PKT }, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2700 | { "rx_fcs_error", GM_RXF_FCS_ERR }, |
Stephen Hemminger | eadfa7dd | 2006-03-22 10:38:45 -0800 | [diff] [blame] | 2701 | |
| 2702 | { "tx_64_byte_packets", GM_TXF_64B }, |
| 2703 | { "tx_65_to_127_byte_packets", GM_TXF_127B }, |
| 2704 | { "tx_128_to_255_byte_packets", GM_TXF_255B }, |
| 2705 | { "tx_256_to_511_byte_packets", GM_TXF_511B }, |
| 2706 | { "tx_512_to_1023_byte_packets", GM_TXF_1023B }, |
| 2707 | { "tx_1024_to_1518_byte_packets", GM_TXF_1518B }, |
| 2708 | { "tx_1519_to_max_byte_packets", GM_TXF_MAX_SZ }, |
| 2709 | { "tx_fifo_underrun", GM_TXE_FIFO_UR }, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2710 | }; |
| 2711 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2712 | static u32 sky2_get_rx_csum(struct net_device *dev) |
| 2713 | { |
| 2714 | struct sky2_port *sky2 = netdev_priv(dev); |
| 2715 | |
| 2716 | return sky2->rx_csum; |
| 2717 | } |
| 2718 | |
| 2719 | static int sky2_set_rx_csum(struct net_device *dev, u32 data) |
| 2720 | { |
| 2721 | struct sky2_port *sky2 = netdev_priv(dev); |
| 2722 | |
| 2723 | sky2->rx_csum = data; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2724 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2725 | sky2_write32(sky2->hw, Q_ADDR(rxqaddr[sky2->port], Q_CSR), |
| 2726 | data ? BMU_ENA_RX_CHKSUM : BMU_DIS_RX_CHKSUM); |
| 2727 | |
| 2728 | return 0; |
| 2729 | } |
| 2730 | |
| 2731 | static u32 sky2_get_msglevel(struct net_device *netdev) |
| 2732 | { |
| 2733 | struct sky2_port *sky2 = netdev_priv(netdev); |
| 2734 | return sky2->msg_enable; |
| 2735 | } |
| 2736 | |
Stephen Hemminger | 9a7ae0a | 2005-09-27 15:28:42 -0700 | [diff] [blame] | 2737 | static int sky2_nway_reset(struct net_device *dev) |
| 2738 | { |
| 2739 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | 9a7ae0a | 2005-09-27 15:28:42 -0700 | [diff] [blame] | 2740 | |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 2741 | if (!netif_running(dev) || sky2->autoneg != AUTONEG_ENABLE) |
Stephen Hemminger | 9a7ae0a | 2005-09-27 15:28:42 -0700 | [diff] [blame] | 2742 | return -EINVAL; |
| 2743 | |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 2744 | sky2_phy_reinit(sky2); |
Stephen Hemminger | 9a7ae0a | 2005-09-27 15:28:42 -0700 | [diff] [blame] | 2745 | |
| 2746 | return 0; |
| 2747 | } |
| 2748 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2749 | 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] | 2750 | { |
| 2751 | struct sky2_hw *hw = sky2->hw; |
| 2752 | unsigned port = sky2->port; |
| 2753 | int i; |
| 2754 | |
| 2755 | data[0] = (u64) gma_read32(hw, port, GM_TXO_OK_HI) << 32 |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2756 | | (u64) gma_read32(hw, port, GM_TXO_OK_LO); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2757 | data[1] = (u64) gma_read32(hw, port, GM_RXO_OK_HI) << 32 |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2758 | | (u64) gma_read32(hw, port, GM_RXO_OK_LO); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2759 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2760 | for (i = 2; i < count; i++) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2761 | data[i] = (u64) gma_read32(hw, port, sky2_stats[i].offset); |
| 2762 | } |
| 2763 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2764 | static void sky2_set_msglevel(struct net_device *netdev, u32 value) |
| 2765 | { |
| 2766 | struct sky2_port *sky2 = netdev_priv(netdev); |
| 2767 | sky2->msg_enable = value; |
| 2768 | } |
| 2769 | |
| 2770 | static int sky2_get_stats_count(struct net_device *dev) |
| 2771 | { |
| 2772 | return ARRAY_SIZE(sky2_stats); |
| 2773 | } |
| 2774 | |
| 2775 | static void sky2_get_ethtool_stats(struct net_device *dev, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2776 | struct ethtool_stats *stats, u64 * data) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2777 | { |
| 2778 | struct sky2_port *sky2 = netdev_priv(dev); |
| 2779 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2780 | sky2_phy_stats(sky2, data, ARRAY_SIZE(sky2_stats)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2781 | } |
| 2782 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2783 | 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] | 2784 | { |
| 2785 | int i; |
| 2786 | |
| 2787 | switch (stringset) { |
| 2788 | case ETH_SS_STATS: |
| 2789 | for (i = 0; i < ARRAY_SIZE(sky2_stats); i++) |
| 2790 | memcpy(data + i * ETH_GSTRING_LEN, |
| 2791 | sky2_stats[i].name, ETH_GSTRING_LEN); |
| 2792 | break; |
| 2793 | } |
| 2794 | } |
| 2795 | |
| 2796 | /* Use hardware MIB variables for critical path statistics and |
| 2797 | * transmit feedback not reported at interrupt. |
| 2798 | * Other errors are accounted for in interrupt handler. |
| 2799 | */ |
| 2800 | static struct net_device_stats *sky2_get_stats(struct net_device *dev) |
| 2801 | { |
| 2802 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2803 | u64 data[13]; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2804 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2805 | sky2_phy_stats(sky2, data, ARRAY_SIZE(data)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2806 | |
| 2807 | sky2->net_stats.tx_bytes = data[0]; |
| 2808 | sky2->net_stats.rx_bytes = data[1]; |
| 2809 | sky2->net_stats.tx_packets = data[2] + data[4] + data[6]; |
| 2810 | sky2->net_stats.rx_packets = data[3] + data[5] + data[7]; |
Stephen Hemminger | 050ff18 | 2006-03-23 08:51:37 -0800 | [diff] [blame] | 2811 | sky2->net_stats.multicast = data[3] + data[5]; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2812 | sky2->net_stats.collisions = data[10]; |
| 2813 | sky2->net_stats.tx_aborted_errors = data[12]; |
| 2814 | |
| 2815 | return &sky2->net_stats; |
| 2816 | } |
| 2817 | |
| 2818 | static int sky2_set_mac_address(struct net_device *dev, void *p) |
| 2819 | { |
| 2820 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | a8ab1ec | 2006-01-30 11:37:57 -0800 | [diff] [blame] | 2821 | struct sky2_hw *hw = sky2->hw; |
| 2822 | unsigned port = sky2->port; |
| 2823 | const struct sockaddr *addr = p; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2824 | |
| 2825 | if (!is_valid_ether_addr(addr->sa_data)) |
| 2826 | return -EADDRNOTAVAIL; |
| 2827 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2828 | memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN); |
Stephen Hemminger | a8ab1ec | 2006-01-30 11:37:57 -0800 | [diff] [blame] | 2829 | memcpy_toio(hw->regs + B2_MAC_1 + port * 8, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2830 | dev->dev_addr, ETH_ALEN); |
Stephen Hemminger | a8ab1ec | 2006-01-30 11:37:57 -0800 | [diff] [blame] | 2831 | memcpy_toio(hw->regs + B2_MAC_2 + port * 8, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2832 | dev->dev_addr, ETH_ALEN); |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 2833 | |
Stephen Hemminger | a8ab1ec | 2006-01-30 11:37:57 -0800 | [diff] [blame] | 2834 | /* virtual address for data */ |
| 2835 | gma_set_addr(hw, port, GM_SRC_ADDR_2L, dev->dev_addr); |
| 2836 | |
| 2837 | /* physical address: used for pause frames */ |
| 2838 | gma_set_addr(hw, port, GM_SRC_ADDR_1L, dev->dev_addr); |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 2839 | |
| 2840 | return 0; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2841 | } |
| 2842 | |
Stephen Hemminger | a052b52 | 2006-10-17 10:24:23 -0700 | [diff] [blame] | 2843 | static void inline sky2_add_filter(u8 filter[8], const u8 *addr) |
| 2844 | { |
| 2845 | u32 bit; |
| 2846 | |
| 2847 | bit = ether_crc(ETH_ALEN, addr) & 63; |
| 2848 | filter[bit >> 3] |= 1 << (bit & 7); |
| 2849 | } |
| 2850 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2851 | static void sky2_set_multicast(struct net_device *dev) |
| 2852 | { |
| 2853 | struct sky2_port *sky2 = netdev_priv(dev); |
| 2854 | struct sky2_hw *hw = sky2->hw; |
| 2855 | unsigned port = sky2->port; |
| 2856 | struct dev_mc_list *list = dev->mc_list; |
| 2857 | u16 reg; |
| 2858 | u8 filter[8]; |
Stephen Hemminger | a052b52 | 2006-10-17 10:24:23 -0700 | [diff] [blame] | 2859 | int rx_pause; |
| 2860 | static const u8 pause_mc_addr[ETH_ALEN] = { 0x1, 0x80, 0xc2, 0x0, 0x0, 0x1 }; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2861 | |
Stephen Hemminger | a052b52 | 2006-10-17 10:24:23 -0700 | [diff] [blame] | 2862 | rx_pause = (sky2->flow_status == FC_RX || sky2->flow_status == FC_BOTH); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2863 | memset(filter, 0, sizeof(filter)); |
| 2864 | |
| 2865 | reg = gma_read16(hw, port, GM_RX_CTRL); |
| 2866 | reg |= GM_RXCR_UCF_ENA; |
| 2867 | |
shemminger@osdl.org | d571b69 | 2005-10-26 12:16:09 -0700 | [diff] [blame] | 2868 | if (dev->flags & IFF_PROMISC) /* promiscuous */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2869 | reg &= ~(GM_RXCR_UCF_ENA | GM_RXCR_MCF_ENA); |
Stephen Hemminger | a052b52 | 2006-10-17 10:24:23 -0700 | [diff] [blame] | 2870 | else if (dev->flags & IFF_ALLMULTI) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2871 | memset(filter, 0xff, sizeof(filter)); |
Stephen Hemminger | a052b52 | 2006-10-17 10:24:23 -0700 | [diff] [blame] | 2872 | else if (dev->mc_count == 0 && !rx_pause) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2873 | reg &= ~GM_RXCR_MCF_ENA; |
| 2874 | else { |
| 2875 | int i; |
| 2876 | reg |= GM_RXCR_MCF_ENA; |
| 2877 | |
Stephen Hemminger | a052b52 | 2006-10-17 10:24:23 -0700 | [diff] [blame] | 2878 | if (rx_pause) |
| 2879 | sky2_add_filter(filter, pause_mc_addr); |
| 2880 | |
| 2881 | for (i = 0; list && i < dev->mc_count; i++, list = list->next) |
| 2882 | sky2_add_filter(filter, list->dmi_addr); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2883 | } |
| 2884 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2885 | gma_write16(hw, port, GM_MC_ADDR_H1, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2886 | (u16) filter[0] | ((u16) filter[1] << 8)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2887 | gma_write16(hw, port, GM_MC_ADDR_H2, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2888 | (u16) filter[2] | ((u16) filter[3] << 8)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2889 | gma_write16(hw, port, GM_MC_ADDR_H3, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2890 | (u16) filter[4] | ((u16) filter[5] << 8)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2891 | gma_write16(hw, port, GM_MC_ADDR_H4, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2892 | (u16) filter[6] | ((u16) filter[7] << 8)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2893 | |
| 2894 | gma_write16(hw, port, GM_RX_CTRL, reg); |
| 2895 | } |
| 2896 | |
| 2897 | /* Can have one global because blinking is controlled by |
| 2898 | * ethtool and that is always under RTNL mutex |
| 2899 | */ |
Stephen Hemminger | 91c86df | 2005-12-09 11:34:57 -0800 | [diff] [blame] | 2900 | static void sky2_led(struct sky2_hw *hw, unsigned port, int on) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2901 | { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2902 | u16 pg; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2903 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2904 | switch (hw->chip_id) { |
| 2905 | case CHIP_ID_YUKON_XL: |
| 2906 | pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); |
| 2907 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 3); |
| 2908 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, |
| 2909 | on ? (PHY_M_LEDC_LOS_CTRL(1) | |
| 2910 | PHY_M_LEDC_INIT_CTRL(7) | |
| 2911 | PHY_M_LEDC_STA1_CTRL(7) | |
| 2912 | PHY_M_LEDC_STA0_CTRL(7)) |
| 2913 | : 0); |
| 2914 | |
| 2915 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg); |
| 2916 | break; |
| 2917 | |
| 2918 | default: |
| 2919 | gm_phy_write(hw, port, PHY_MARV_LED_CTRL, 0); |
| 2920 | gm_phy_write(hw, port, PHY_MARV_LED_OVER, |
| 2921 | on ? PHY_M_LED_MO_DUP(MO_LED_ON) | |
| 2922 | PHY_M_LED_MO_10(MO_LED_ON) | |
| 2923 | PHY_M_LED_MO_100(MO_LED_ON) | |
| 2924 | PHY_M_LED_MO_1000(MO_LED_ON) | |
| 2925 | PHY_M_LED_MO_RX(MO_LED_ON) |
| 2926 | : PHY_M_LED_MO_DUP(MO_LED_OFF) | |
| 2927 | PHY_M_LED_MO_10(MO_LED_OFF) | |
| 2928 | PHY_M_LED_MO_100(MO_LED_OFF) | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2929 | PHY_M_LED_MO_1000(MO_LED_OFF) | |
| 2930 | PHY_M_LED_MO_RX(MO_LED_OFF)); |
| 2931 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2932 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2933 | } |
| 2934 | |
| 2935 | /* blink LED's for finding board */ |
| 2936 | static int sky2_phys_id(struct net_device *dev, u32 data) |
| 2937 | { |
| 2938 | struct sky2_port *sky2 = netdev_priv(dev); |
| 2939 | struct sky2_hw *hw = sky2->hw; |
| 2940 | unsigned port = sky2->port; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2941 | u16 ledctrl, ledover = 0; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2942 | long ms; |
Stephen Hemminger | 91c86df | 2005-12-09 11:34:57 -0800 | [diff] [blame] | 2943 | int interrupted; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2944 | int onoff = 1; |
| 2945 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2946 | if (!data || data > (u32) (MAX_SCHEDULE_TIMEOUT / HZ)) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2947 | ms = jiffies_to_msecs(MAX_SCHEDULE_TIMEOUT); |
| 2948 | else |
| 2949 | ms = data * 1000; |
| 2950 | |
| 2951 | /* save initial values */ |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2952 | spin_lock_bh(&sky2->phy_lock); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2953 | if (hw->chip_id == CHIP_ID_YUKON_XL) { |
| 2954 | u16 pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); |
| 2955 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 3); |
| 2956 | ledctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL); |
| 2957 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg); |
| 2958 | } else { |
| 2959 | ledctrl = gm_phy_read(hw, port, PHY_MARV_LED_CTRL); |
| 2960 | ledover = gm_phy_read(hw, port, PHY_MARV_LED_OVER); |
| 2961 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2962 | |
Stephen Hemminger | 91c86df | 2005-12-09 11:34:57 -0800 | [diff] [blame] | 2963 | interrupted = 0; |
| 2964 | while (!interrupted && ms > 0) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2965 | sky2_led(hw, port, onoff); |
| 2966 | onoff = !onoff; |
| 2967 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2968 | spin_unlock_bh(&sky2->phy_lock); |
Stephen Hemminger | 91c86df | 2005-12-09 11:34:57 -0800 | [diff] [blame] | 2969 | interrupted = msleep_interruptible(250); |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2970 | spin_lock_bh(&sky2->phy_lock); |
Stephen Hemminger | 91c86df | 2005-12-09 11:34:57 -0800 | [diff] [blame] | 2971 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2972 | ms -= 250; |
| 2973 | } |
| 2974 | |
| 2975 | /* resume regularly scheduled programming */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2976 | if (hw->chip_id == CHIP_ID_YUKON_XL) { |
| 2977 | u16 pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); |
| 2978 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 3); |
| 2979 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ledctrl); |
| 2980 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg); |
| 2981 | } else { |
| 2982 | gm_phy_write(hw, port, PHY_MARV_LED_CTRL, ledctrl); |
| 2983 | gm_phy_write(hw, port, PHY_MARV_LED_OVER, ledover); |
| 2984 | } |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2985 | spin_unlock_bh(&sky2->phy_lock); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2986 | |
| 2987 | return 0; |
| 2988 | } |
| 2989 | |
| 2990 | static void sky2_get_pauseparam(struct net_device *dev, |
| 2991 | struct ethtool_pauseparam *ecmd) |
| 2992 | { |
| 2993 | struct sky2_port *sky2 = netdev_priv(dev); |
| 2994 | |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 2995 | switch (sky2->flow_mode) { |
| 2996 | case FC_NONE: |
| 2997 | ecmd->tx_pause = ecmd->rx_pause = 0; |
| 2998 | break; |
| 2999 | case FC_TX: |
| 3000 | ecmd->tx_pause = 1, ecmd->rx_pause = 0; |
| 3001 | break; |
| 3002 | case FC_RX: |
| 3003 | ecmd->tx_pause = 0, ecmd->rx_pause = 1; |
| 3004 | break; |
| 3005 | case FC_BOTH: |
| 3006 | ecmd->tx_pause = ecmd->rx_pause = 1; |
| 3007 | } |
| 3008 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3009 | ecmd->autoneg = sky2->autoneg; |
| 3010 | } |
| 3011 | |
| 3012 | static int sky2_set_pauseparam(struct net_device *dev, |
| 3013 | struct ethtool_pauseparam *ecmd) |
| 3014 | { |
| 3015 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3016 | |
| 3017 | sky2->autoneg = ecmd->autoneg; |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 3018 | sky2->flow_mode = sky2_flow(ecmd->rx_pause, ecmd->tx_pause); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3019 | |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 3020 | if (netif_running(dev)) |
| 3021 | sky2_phy_reinit(sky2); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3022 | |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 3023 | return 0; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3024 | } |
| 3025 | |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 3026 | static int sky2_get_coalesce(struct net_device *dev, |
| 3027 | struct ethtool_coalesce *ecmd) |
| 3028 | { |
| 3029 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3030 | struct sky2_hw *hw = sky2->hw; |
| 3031 | |
| 3032 | if (sky2_read8(hw, STAT_TX_TIMER_CTRL) == TIM_STOP) |
| 3033 | ecmd->tx_coalesce_usecs = 0; |
| 3034 | else { |
| 3035 | u32 clks = sky2_read32(hw, STAT_TX_TIMER_INI); |
| 3036 | ecmd->tx_coalesce_usecs = sky2_clk2us(hw, clks); |
| 3037 | } |
| 3038 | ecmd->tx_max_coalesced_frames = sky2_read16(hw, STAT_TX_IDX_TH); |
| 3039 | |
| 3040 | if (sky2_read8(hw, STAT_LEV_TIMER_CTRL) == TIM_STOP) |
| 3041 | ecmd->rx_coalesce_usecs = 0; |
| 3042 | else { |
| 3043 | u32 clks = sky2_read32(hw, STAT_LEV_TIMER_INI); |
| 3044 | ecmd->rx_coalesce_usecs = sky2_clk2us(hw, clks); |
| 3045 | } |
| 3046 | ecmd->rx_max_coalesced_frames = sky2_read8(hw, STAT_FIFO_WM); |
| 3047 | |
| 3048 | if (sky2_read8(hw, STAT_ISR_TIMER_CTRL) == TIM_STOP) |
| 3049 | ecmd->rx_coalesce_usecs_irq = 0; |
| 3050 | else { |
| 3051 | u32 clks = sky2_read32(hw, STAT_ISR_TIMER_INI); |
| 3052 | ecmd->rx_coalesce_usecs_irq = sky2_clk2us(hw, clks); |
| 3053 | } |
| 3054 | |
| 3055 | ecmd->rx_max_coalesced_frames_irq = sky2_read8(hw, STAT_FIFO_ISR_WM); |
| 3056 | |
| 3057 | return 0; |
| 3058 | } |
| 3059 | |
| 3060 | /* Note: this affect both ports */ |
| 3061 | static int sky2_set_coalesce(struct net_device *dev, |
| 3062 | struct ethtool_coalesce *ecmd) |
| 3063 | { |
| 3064 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3065 | struct sky2_hw *hw = sky2->hw; |
Stephen Hemminger | 77b3d6a | 2006-03-20 15:48:18 -0800 | [diff] [blame] | 3066 | const u32 tmax = sky2_clk2us(hw, 0x0ffffff); |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 3067 | |
Stephen Hemminger | 77b3d6a | 2006-03-20 15:48:18 -0800 | [diff] [blame] | 3068 | if (ecmd->tx_coalesce_usecs > tmax || |
| 3069 | ecmd->rx_coalesce_usecs > tmax || |
| 3070 | ecmd->rx_coalesce_usecs_irq > tmax) |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 3071 | return -EINVAL; |
| 3072 | |
Stephen Hemminger | ff81fbb | 2006-02-22 11:44:59 -0800 | [diff] [blame] | 3073 | if (ecmd->tx_max_coalesced_frames >= TX_RING_SIZE-1) |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 3074 | return -EINVAL; |
Stephen Hemminger | ff81fbb | 2006-02-22 11:44:59 -0800 | [diff] [blame] | 3075 | if (ecmd->rx_max_coalesced_frames > RX_MAX_PENDING) |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 3076 | return -EINVAL; |
Stephen Hemminger | ff81fbb | 2006-02-22 11:44:59 -0800 | [diff] [blame] | 3077 | if (ecmd->rx_max_coalesced_frames_irq >RX_MAX_PENDING) |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 3078 | return -EINVAL; |
| 3079 | |
| 3080 | if (ecmd->tx_coalesce_usecs == 0) |
| 3081 | sky2_write8(hw, STAT_TX_TIMER_CTRL, TIM_STOP); |
| 3082 | else { |
| 3083 | sky2_write32(hw, STAT_TX_TIMER_INI, |
| 3084 | sky2_us2clk(hw, ecmd->tx_coalesce_usecs)); |
| 3085 | sky2_write8(hw, STAT_TX_TIMER_CTRL, TIM_START); |
| 3086 | } |
| 3087 | sky2_write16(hw, STAT_TX_IDX_TH, ecmd->tx_max_coalesced_frames); |
| 3088 | |
| 3089 | if (ecmd->rx_coalesce_usecs == 0) |
| 3090 | sky2_write8(hw, STAT_LEV_TIMER_CTRL, TIM_STOP); |
| 3091 | else { |
| 3092 | sky2_write32(hw, STAT_LEV_TIMER_INI, |
| 3093 | sky2_us2clk(hw, ecmd->rx_coalesce_usecs)); |
| 3094 | sky2_write8(hw, STAT_LEV_TIMER_CTRL, TIM_START); |
| 3095 | } |
| 3096 | sky2_write8(hw, STAT_FIFO_WM, ecmd->rx_max_coalesced_frames); |
| 3097 | |
| 3098 | if (ecmd->rx_coalesce_usecs_irq == 0) |
| 3099 | sky2_write8(hw, STAT_ISR_TIMER_CTRL, TIM_STOP); |
| 3100 | else { |
Stephen Hemminger | d28d487 | 2006-01-30 11:37:56 -0800 | [diff] [blame] | 3101 | sky2_write32(hw, STAT_ISR_TIMER_INI, |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 3102 | sky2_us2clk(hw, ecmd->rx_coalesce_usecs_irq)); |
| 3103 | sky2_write8(hw, STAT_ISR_TIMER_CTRL, TIM_START); |
| 3104 | } |
| 3105 | sky2_write8(hw, STAT_FIFO_ISR_WM, ecmd->rx_max_coalesced_frames_irq); |
| 3106 | return 0; |
| 3107 | } |
| 3108 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3109 | static void sky2_get_ringparam(struct net_device *dev, |
| 3110 | struct ethtool_ringparam *ering) |
| 3111 | { |
| 3112 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3113 | |
| 3114 | ering->rx_max_pending = RX_MAX_PENDING; |
| 3115 | ering->rx_mini_max_pending = 0; |
| 3116 | ering->rx_jumbo_max_pending = 0; |
| 3117 | ering->tx_max_pending = TX_RING_SIZE - 1; |
| 3118 | |
| 3119 | ering->rx_pending = sky2->rx_pending; |
| 3120 | ering->rx_mini_pending = 0; |
| 3121 | ering->rx_jumbo_pending = 0; |
| 3122 | ering->tx_pending = sky2->tx_pending; |
| 3123 | } |
| 3124 | |
| 3125 | static int sky2_set_ringparam(struct net_device *dev, |
| 3126 | struct ethtool_ringparam *ering) |
| 3127 | { |
| 3128 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3129 | int err = 0; |
| 3130 | |
| 3131 | if (ering->rx_pending > RX_MAX_PENDING || |
| 3132 | ering->rx_pending < 8 || |
| 3133 | ering->tx_pending < MAX_SKB_TX_LE || |
| 3134 | ering->tx_pending > TX_RING_SIZE - 1) |
| 3135 | return -EINVAL; |
| 3136 | |
| 3137 | if (netif_running(dev)) |
| 3138 | sky2_down(dev); |
| 3139 | |
| 3140 | sky2->rx_pending = ering->rx_pending; |
| 3141 | sky2->tx_pending = ering->tx_pending; |
| 3142 | |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 3143 | if (netif_running(dev)) { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3144 | err = sky2_up(dev); |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 3145 | if (err) |
| 3146 | dev_close(dev); |
Stephen Hemminger | 6ed995b | 2005-12-20 15:08:08 -0800 | [diff] [blame] | 3147 | else |
| 3148 | sky2_set_multicast(dev); |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 3149 | } |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3150 | |
| 3151 | return err; |
| 3152 | } |
| 3153 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3154 | static int sky2_get_regs_len(struct net_device *dev) |
| 3155 | { |
Stephen Hemminger | 6e4cbb3 | 2005-09-19 15:47:57 -0700 | [diff] [blame] | 3156 | return 0x4000; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3157 | } |
| 3158 | |
| 3159 | /* |
| 3160 | * Returns copy of control register region |
Stephen Hemminger | 6e4cbb3 | 2005-09-19 15:47:57 -0700 | [diff] [blame] | 3161 | * Note: access to the RAM address register set will cause timeouts. |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3162 | */ |
| 3163 | static void sky2_get_regs(struct net_device *dev, struct ethtool_regs *regs, |
| 3164 | void *p) |
| 3165 | { |
| 3166 | const struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3167 | const void __iomem *io = sky2->hw->regs; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3168 | |
Stephen Hemminger | 6e4cbb3 | 2005-09-19 15:47:57 -0700 | [diff] [blame] | 3169 | BUG_ON(regs->len < B3_RI_WTO_R1); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3170 | regs->version = 1; |
Stephen Hemminger | 6e4cbb3 | 2005-09-19 15:47:57 -0700 | [diff] [blame] | 3171 | memset(p, 0, regs->len); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3172 | |
Stephen Hemminger | 6e4cbb3 | 2005-09-19 15:47:57 -0700 | [diff] [blame] | 3173 | memcpy_fromio(p, io, B3_RAM_ADDR); |
| 3174 | |
| 3175 | memcpy_fromio(p + B3_RI_WTO_R1, |
| 3176 | io + B3_RI_WTO_R1, |
| 3177 | regs->len - B3_RI_WTO_R1); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3178 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3179 | |
Jeff Garzik | 7282d49 | 2006-09-13 14:30:00 -0400 | [diff] [blame] | 3180 | static const struct ethtool_ops sky2_ethtool_ops = { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3181 | .get_settings = sky2_get_settings, |
| 3182 | .set_settings = sky2_set_settings, |
| 3183 | .get_drvinfo = sky2_get_drvinfo, |
| 3184 | .get_msglevel = sky2_get_msglevel, |
| 3185 | .set_msglevel = sky2_set_msglevel, |
Stephen Hemminger | 9a7ae0a | 2005-09-27 15:28:42 -0700 | [diff] [blame] | 3186 | .nway_reset = sky2_nway_reset, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3187 | .get_regs_len = sky2_get_regs_len, |
| 3188 | .get_regs = sky2_get_regs, |
| 3189 | .get_link = ethtool_op_get_link, |
| 3190 | .get_sg = ethtool_op_get_sg, |
| 3191 | .set_sg = ethtool_op_set_sg, |
| 3192 | .get_tx_csum = ethtool_op_get_tx_csum, |
| 3193 | .set_tx_csum = ethtool_op_set_tx_csum, |
| 3194 | .get_tso = ethtool_op_get_tso, |
| 3195 | .set_tso = ethtool_op_set_tso, |
| 3196 | .get_rx_csum = sky2_get_rx_csum, |
| 3197 | .set_rx_csum = sky2_set_rx_csum, |
| 3198 | .get_strings = sky2_get_strings, |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 3199 | .get_coalesce = sky2_get_coalesce, |
| 3200 | .set_coalesce = sky2_set_coalesce, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3201 | .get_ringparam = sky2_get_ringparam, |
| 3202 | .set_ringparam = sky2_set_ringparam, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3203 | .get_pauseparam = sky2_get_pauseparam, |
| 3204 | .set_pauseparam = sky2_set_pauseparam, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3205 | .phys_id = sky2_phys_id, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3206 | .get_stats_count = sky2_get_stats_count, |
| 3207 | .get_ethtool_stats = sky2_get_ethtool_stats, |
Stephen Hemminger | 2995bfb | 2005-09-28 10:01:03 -0700 | [diff] [blame] | 3208 | .get_perm_addr = ethtool_op_get_perm_addr, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3209 | }; |
| 3210 | |
| 3211 | /* Initialize network device */ |
| 3212 | static __devinit struct net_device *sky2_init_netdev(struct sky2_hw *hw, |
| 3213 | unsigned port, int highmem) |
| 3214 | { |
| 3215 | struct sky2_port *sky2; |
| 3216 | struct net_device *dev = alloc_etherdev(sizeof(*sky2)); |
| 3217 | |
| 3218 | if (!dev) { |
| 3219 | printk(KERN_ERR "sky2 etherdev alloc failed"); |
| 3220 | return NULL; |
| 3221 | } |
| 3222 | |
| 3223 | SET_MODULE_OWNER(dev); |
| 3224 | SET_NETDEV_DEV(dev, &hw->pdev->dev); |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 3225 | dev->irq = hw->pdev->irq; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3226 | dev->open = sky2_up; |
| 3227 | dev->stop = sky2_down; |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 3228 | dev->do_ioctl = sky2_ioctl; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3229 | dev->hard_start_xmit = sky2_xmit_frame; |
| 3230 | dev->get_stats = sky2_get_stats; |
| 3231 | dev->set_multicast_list = sky2_set_multicast; |
| 3232 | dev->set_mac_address = sky2_set_mac_address; |
| 3233 | dev->change_mtu = sky2_change_mtu; |
| 3234 | SET_ETHTOOL_OPS(dev, &sky2_ethtool_ops); |
| 3235 | dev->tx_timeout = sky2_tx_timeout; |
| 3236 | dev->watchdog_timeo = TX_WATCHDOG; |
| 3237 | if (port == 0) |
| 3238 | dev->poll = sky2_poll; |
| 3239 | dev->weight = NAPI_WEIGHT; |
| 3240 | #ifdef CONFIG_NET_POLL_CONTROLLER |
Stephen Hemminger | 0ca4323 | 2006-10-18 13:39:28 -0700 | [diff] [blame] | 3241 | /* Network console (only works on port 0) |
| 3242 | * because netpoll makes assumptions about NAPI |
| 3243 | */ |
| 3244 | if (port == 0) |
| 3245 | dev->poll_controller = sky2_netpoll; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3246 | #endif |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3247 | |
| 3248 | sky2 = netdev_priv(dev); |
| 3249 | sky2->netdev = dev; |
| 3250 | sky2->hw = hw; |
| 3251 | sky2->msg_enable = netif_msg_init(debug, default_msg); |
| 3252 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3253 | /* Auto speed and flow control */ |
| 3254 | sky2->autoneg = AUTONEG_ENABLE; |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 3255 | sky2->flow_mode = FC_BOTH; |
| 3256 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3257 | sky2->duplex = -1; |
| 3258 | sky2->speed = -1; |
| 3259 | sky2->advertising = sky2_supported_modes(hw); |
Stephen Hemminger | ee7abb0 | 2006-05-18 11:16:21 -0700 | [diff] [blame] | 3260 | sky2->rx_csum = 1; |
Stephen Hemminger | 75d070c | 2005-12-09 11:35:11 -0800 | [diff] [blame] | 3261 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 3262 | spin_lock_init(&sky2->phy_lock); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3263 | sky2->tx_pending = TX_DEF_PENDING; |
Stephen Hemminger | 290d4de | 2006-03-20 15:48:15 -0800 | [diff] [blame] | 3264 | sky2->rx_pending = RX_DEF_PENDING; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3265 | |
| 3266 | hw->dev[port] = dev; |
| 3267 | |
| 3268 | sky2->port = port; |
| 3269 | |
shemminger@osdl.org | 5a5b1ea | 2005-11-30 11:45:15 -0800 | [diff] [blame] | 3270 | if (hw->chip_id != CHIP_ID_YUKON_EC_U) |
| 3271 | dev->features |= NETIF_F_TSO; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3272 | if (highmem) |
| 3273 | dev->features |= NETIF_F_HIGHDMA; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3274 | dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3275 | |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 3276 | #ifdef SKY2_VLAN_TAG_USED |
| 3277 | dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; |
| 3278 | dev->vlan_rx_register = sky2_vlan_rx_register; |
| 3279 | dev->vlan_rx_kill_vid = sky2_vlan_rx_kill_vid; |
| 3280 | #endif |
| 3281 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3282 | /* read the mac address */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3283 | 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] | 3284 | memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3285 | |
| 3286 | /* device is off until link detection */ |
| 3287 | netif_carrier_off(dev); |
| 3288 | netif_stop_queue(dev); |
| 3289 | |
| 3290 | return dev; |
| 3291 | } |
| 3292 | |
Stephen Hemminger | 28bd181 | 2006-01-17 13:43:19 -0800 | [diff] [blame] | 3293 | static void __devinit sky2_show_addr(struct net_device *dev) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3294 | { |
| 3295 | const struct sky2_port *sky2 = netdev_priv(dev); |
| 3296 | |
| 3297 | if (netif_msg_probe(sky2)) |
| 3298 | printk(KERN_INFO PFX "%s: addr %02x:%02x:%02x:%02x:%02x:%02x\n", |
| 3299 | dev->name, |
| 3300 | dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2], |
| 3301 | dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]); |
| 3302 | } |
| 3303 | |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 3304 | /* Handle software interrupt used during MSI test */ |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 3305 | static irqreturn_t __devinit sky2_test_intr(int irq, void *dev_id) |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 3306 | { |
| 3307 | struct sky2_hw *hw = dev_id; |
| 3308 | u32 status = sky2_read32(hw, B0_Y2_SP_ISRC2); |
| 3309 | |
| 3310 | if (status == 0) |
| 3311 | return IRQ_NONE; |
| 3312 | |
| 3313 | if (status & Y2_IS_IRQ_SW) { |
| 3314 | hw->msi_detected = 1; |
| 3315 | wake_up(&hw->msi_wait); |
| 3316 | sky2_write8(hw, B0_CTST, CS_CL_SW_IRQ); |
| 3317 | } |
| 3318 | sky2_write32(hw, B0_Y2_SP_ICR, 2); |
| 3319 | |
| 3320 | return IRQ_HANDLED; |
| 3321 | } |
| 3322 | |
| 3323 | /* Test interrupt path by forcing a a software IRQ */ |
| 3324 | static int __devinit sky2_test_msi(struct sky2_hw *hw) |
| 3325 | { |
| 3326 | struct pci_dev *pdev = hw->pdev; |
| 3327 | int err; |
| 3328 | |
shemminger@osdl.org | bb507fe | 2006-08-28 10:00:48 -0700 | [diff] [blame] | 3329 | init_waitqueue_head (&hw->msi_wait); |
| 3330 | |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 3331 | sky2_write32(hw, B0_IMSK, Y2_IS_IRQ_SW); |
| 3332 | |
Thomas Gleixner | 1fb9df5 | 2006-07-01 19:29:39 -0700 | [diff] [blame] | 3333 | err = request_irq(pdev->irq, sky2_test_intr, IRQF_SHARED, DRV_NAME, hw); |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 3334 | if (err) { |
| 3335 | printk(KERN_ERR PFX "%s: cannot assign irq %d\n", |
| 3336 | pci_name(pdev), pdev->irq); |
| 3337 | return err; |
| 3338 | } |
| 3339 | |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 3340 | sky2_write8(hw, B0_CTST, CS_ST_SW_IRQ); |
shemminger@osdl.org | bb507fe | 2006-08-28 10:00:48 -0700 | [diff] [blame] | 3341 | sky2_read8(hw, B0_CTST); |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 3342 | |
| 3343 | wait_event_timeout(hw->msi_wait, hw->msi_detected, HZ/10); |
| 3344 | |
| 3345 | if (!hw->msi_detected) { |
| 3346 | /* MSI test failed, go back to INTx mode */ |
Stephen Hemminger | 2bffc23 | 2006-10-17 10:17:18 -0700 | [diff] [blame] | 3347 | printk(KERN_INFO PFX "%s: No interrupt generated using MSI, " |
| 3348 | "switching to INTx mode.\n", |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 3349 | pci_name(pdev)); |
| 3350 | |
| 3351 | err = -EOPNOTSUPP; |
| 3352 | sky2_write8(hw, B0_CTST, CS_CL_SW_IRQ); |
| 3353 | } |
| 3354 | |
| 3355 | sky2_write32(hw, B0_IMSK, 0); |
Stephen Hemminger | 2bffc23 | 2006-10-17 10:17:18 -0700 | [diff] [blame] | 3356 | sky2_read32(hw, B0_IMSK); |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 3357 | |
| 3358 | free_irq(pdev->irq, hw); |
| 3359 | |
| 3360 | return err; |
| 3361 | } |
| 3362 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3363 | static int __devinit sky2_probe(struct pci_dev *pdev, |
| 3364 | const struct pci_device_id *ent) |
| 3365 | { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3366 | struct net_device *dev, *dev1 = NULL; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3367 | struct sky2_hw *hw; |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 3368 | int err, pm_cap, using_dac = 0; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3369 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3370 | err = pci_enable_device(pdev); |
| 3371 | if (err) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3372 | printk(KERN_ERR PFX "%s cannot enable PCI device\n", |
| 3373 | pci_name(pdev)); |
| 3374 | goto err_out; |
| 3375 | } |
| 3376 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3377 | err = pci_request_regions(pdev, DRV_NAME); |
| 3378 | if (err) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3379 | printk(KERN_ERR PFX "%s cannot obtain PCI resources\n", |
| 3380 | pci_name(pdev)); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3381 | goto err_out; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3382 | } |
| 3383 | |
| 3384 | pci_set_master(pdev); |
| 3385 | |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 3386 | /* Find power-management capability. */ |
| 3387 | pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM); |
| 3388 | if (pm_cap == 0) { |
| 3389 | printk(KERN_ERR PFX "Cannot find PowerManagement capability, " |
| 3390 | "aborting.\n"); |
| 3391 | err = -EIO; |
| 3392 | goto err_out_free_regions; |
| 3393 | } |
| 3394 | |
Stephen Hemminger | d1f3d4d | 2006-01-17 13:43:11 -0800 | [diff] [blame] | 3395 | if (sizeof(dma_addr_t) > sizeof(u32) && |
| 3396 | !(err = pci_set_dma_mask(pdev, DMA_64BIT_MASK))) { |
| 3397 | using_dac = 1; |
| 3398 | err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK); |
| 3399 | if (err < 0) { |
| 3400 | printk(KERN_ERR PFX "%s unable to obtain 64 bit DMA " |
| 3401 | "for consistent allocations\n", pci_name(pdev)); |
| 3402 | goto err_out_free_regions; |
| 3403 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3404 | |
Stephen Hemminger | d1f3d4d | 2006-01-17 13:43:11 -0800 | [diff] [blame] | 3405 | } else { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3406 | err = pci_set_dma_mask(pdev, DMA_32BIT_MASK); |
| 3407 | if (err) { |
| 3408 | printk(KERN_ERR PFX "%s no usable DMA configuration\n", |
| 3409 | pci_name(pdev)); |
| 3410 | goto err_out_free_regions; |
| 3411 | } |
| 3412 | } |
Stephen Hemminger | d1f3d4d | 2006-01-17 13:43:11 -0800 | [diff] [blame] | 3413 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3414 | err = -ENOMEM; |
Stephen Hemminger | 6aad85d | 2006-01-17 13:43:18 -0800 | [diff] [blame] | 3415 | hw = kzalloc(sizeof(*hw), GFP_KERNEL); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3416 | if (!hw) { |
| 3417 | printk(KERN_ERR PFX "%s: cannot allocate hardware struct\n", |
| 3418 | pci_name(pdev)); |
| 3419 | goto err_out_free_regions; |
| 3420 | } |
| 3421 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3422 | hw->pdev = pdev; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3423 | |
| 3424 | hw->regs = ioremap_nocache(pci_resource_start(pdev, 0), 0x4000); |
| 3425 | if (!hw->regs) { |
| 3426 | printk(KERN_ERR PFX "%s: cannot map device registers\n", |
| 3427 | pci_name(pdev)); |
| 3428 | goto err_out_free_hw; |
| 3429 | } |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 3430 | hw->pm_cap = pm_cap; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3431 | |
Stephen Hemminger | 56a645c | 2006-02-22 11:45:02 -0800 | [diff] [blame] | 3432 | #ifdef __BIG_ENDIAN |
Stephen Hemminger | f65b138 | 2006-09-06 12:45:02 -0700 | [diff] [blame] | 3433 | /* The sk98lin vendor driver uses hardware byte swapping but |
| 3434 | * this driver uses software swapping. |
| 3435 | */ |
Stephen Hemminger | 56a645c | 2006-02-22 11:45:02 -0800 | [diff] [blame] | 3436 | { |
| 3437 | u32 reg; |
Stephen Hemminger | 56a645c | 2006-02-22 11:45:02 -0800 | [diff] [blame] | 3438 | reg = sky2_pci_read32(hw, PCI_DEV_REG2); |
Stephen Hemminger | f65b138 | 2006-09-06 12:45:02 -0700 | [diff] [blame] | 3439 | reg &= ~PCI_REV_DESC; |
Stephen Hemminger | 56a645c | 2006-02-22 11:45:02 -0800 | [diff] [blame] | 3440 | sky2_pci_write32(hw, PCI_DEV_REG2, reg); |
| 3441 | } |
| 3442 | #endif |
| 3443 | |
Stephen Hemminger | 08c06d8 | 2006-01-30 11:37:54 -0800 | [diff] [blame] | 3444 | /* ring for status responses */ |
| 3445 | hw->st_le = pci_alloc_consistent(hw->pdev, STATUS_LE_BYTES, |
| 3446 | &hw->st_dma); |
| 3447 | if (!hw->st_le) |
| 3448 | goto err_out_iounmap; |
| 3449 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3450 | err = sky2_reset(hw); |
| 3451 | if (err) |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3452 | goto err_out_iounmap; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3453 | |
Greg Kroah-Hartman | 7c7459d | 2006-06-12 15:13:08 -0700 | [diff] [blame] | 3454 | printk(KERN_INFO PFX "v%s addr 0x%llx irq %d Yukon-%s (0x%x) rev %d\n", |
| 3455 | DRV_VERSION, (unsigned long long)pci_resource_start(pdev, 0), |
| 3456 | pdev->irq, yukon2_name[hw->chip_id - CHIP_ID_YUKON_XL], |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3457 | hw->chip_id, hw->chip_rev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3458 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3459 | dev = sky2_init_netdev(hw, 0, using_dac); |
| 3460 | if (!dev) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3461 | goto err_out_free_pci; |
| 3462 | |
Stephen Hemminger | 9fa1b1f | 2006-09-26 11:57:40 -0700 | [diff] [blame] | 3463 | if (!disable_msi && pci_enable_msi(pdev) == 0) { |
| 3464 | err = sky2_test_msi(hw); |
| 3465 | if (err == -EOPNOTSUPP) |
| 3466 | pci_disable_msi(pdev); |
| 3467 | else if (err) |
| 3468 | goto err_out_free_netdev; |
| 3469 | } |
| 3470 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3471 | err = register_netdev(dev); |
| 3472 | if (err) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3473 | printk(KERN_ERR PFX "%s: cannot register net device\n", |
| 3474 | pci_name(pdev)); |
| 3475 | goto err_out_free_netdev; |
| 3476 | } |
| 3477 | |
Stephen Hemminger | 9fa1b1f | 2006-09-26 11:57:40 -0700 | [diff] [blame] | 3478 | err = request_irq(pdev->irq, sky2_intr, IRQF_SHARED, dev->name, hw); |
| 3479 | if (err) { |
| 3480 | printk(KERN_ERR PFX "%s: cannot assign irq %d\n", |
| 3481 | pci_name(pdev), pdev->irq); |
| 3482 | goto err_out_unregister; |
| 3483 | } |
| 3484 | sky2_write32(hw, B0_IMSK, Y2_IS_BASE); |
| 3485 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3486 | sky2_show_addr(dev); |
| 3487 | |
| 3488 | if (hw->ports > 1 && (dev1 = sky2_init_netdev(hw, 1, using_dac))) { |
| 3489 | if (register_netdev(dev1) == 0) |
| 3490 | sky2_show_addr(dev1); |
| 3491 | else { |
| 3492 | /* Failure to register second port need not be fatal */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3493 | printk(KERN_WARNING PFX |
| 3494 | "register of second port failed\n"); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3495 | hw->dev[1] = NULL; |
| 3496 | free_netdev(dev1); |
| 3497 | } |
| 3498 | } |
| 3499 | |
Stephen Hemminger | 01bd756 | 2006-05-08 15:11:30 -0700 | [diff] [blame] | 3500 | setup_timer(&hw->idle_timer, sky2_idle, (unsigned long) hw); |
Stephen Hemminger | eb35cf6 | 2006-06-13 17:17:31 +0900 | [diff] [blame] | 3501 | sky2_idle_start(hw); |
Stephen Hemminger | d27ed38 | 2006-04-25 10:58:51 -0700 | [diff] [blame] | 3502 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3503 | pci_set_drvdata(pdev, hw); |
| 3504 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3505 | return 0; |
| 3506 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3507 | err_out_unregister: |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 3508 | pci_disable_msi(pdev); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3509 | unregister_netdev(dev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3510 | err_out_free_netdev: |
| 3511 | free_netdev(dev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3512 | err_out_free_pci: |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3513 | sky2_write8(hw, B0_CTST, CS_RST_SET); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3514 | pci_free_consistent(hw->pdev, STATUS_LE_BYTES, hw->st_le, hw->st_dma); |
| 3515 | err_out_iounmap: |
| 3516 | iounmap(hw->regs); |
| 3517 | err_out_free_hw: |
| 3518 | kfree(hw); |
| 3519 | err_out_free_regions: |
| 3520 | pci_release_regions(pdev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3521 | pci_disable_device(pdev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3522 | err_out: |
| 3523 | return err; |
| 3524 | } |
| 3525 | |
| 3526 | static void __devexit sky2_remove(struct pci_dev *pdev) |
| 3527 | { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3528 | struct sky2_hw *hw = pci_get_drvdata(pdev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3529 | struct net_device *dev0, *dev1; |
| 3530 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3531 | if (!hw) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3532 | return; |
| 3533 | |
Stephen Hemminger | d27ed38 | 2006-04-25 10:58:51 -0700 | [diff] [blame] | 3534 | del_timer_sync(&hw->idle_timer); |
| 3535 | |
| 3536 | sky2_write32(hw, B0_IMSK, 0); |
Stephen Hemminger | 72cb852 | 2006-05-08 15:11:32 -0700 | [diff] [blame] | 3537 | synchronize_irq(hw->pdev->irq); |
| 3538 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3539 | dev0 = hw->dev[0]; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3540 | dev1 = hw->dev[1]; |
| 3541 | if (dev1) |
| 3542 | unregister_netdev(dev1); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3543 | unregister_netdev(dev0); |
| 3544 | |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 3545 | sky2_set_power_state(hw, PCI_D3hot); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3546 | sky2_write16(hw, B0_Y2LED, LED_STAT_OFF); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3547 | sky2_write8(hw, B0_CTST, CS_RST_SET); |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 3548 | sky2_read8(hw, B0_CTST); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3549 | |
| 3550 | free_irq(pdev->irq, hw); |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 3551 | pci_disable_msi(pdev); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3552 | 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] | 3553 | pci_release_regions(pdev); |
| 3554 | pci_disable_device(pdev); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3555 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3556 | if (dev1) |
| 3557 | free_netdev(dev1); |
| 3558 | free_netdev(dev0); |
| 3559 | iounmap(hw->regs); |
| 3560 | kfree(hw); |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 3561 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3562 | pci_set_drvdata(pdev, NULL); |
| 3563 | } |
| 3564 | |
| 3565 | #ifdef CONFIG_PM |
| 3566 | static int sky2_suspend(struct pci_dev *pdev, pm_message_t state) |
| 3567 | { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3568 | struct sky2_hw *hw = pci_get_drvdata(pdev); |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 3569 | int i; |
Stephen Hemminger | 2ccc99b | 2006-06-13 17:17:27 +0900 | [diff] [blame] | 3570 | pci_power_t pstate = pci_choose_state(pdev, state); |
| 3571 | |
| 3572 | if (!(pstate == PCI_D3hot || pstate == PCI_D3cold)) |
| 3573 | return -EINVAL; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3574 | |
Stephen Hemminger | eb35cf6 | 2006-06-13 17:17:31 +0900 | [diff] [blame] | 3575 | del_timer_sync(&hw->idle_timer); |
Stephen Hemminger | 6a5706b | 2006-07-12 15:23:46 -0700 | [diff] [blame] | 3576 | netif_poll_disable(hw->dev[0]); |
Stephen Hemminger | eb35cf6 | 2006-06-13 17:17:31 +0900 | [diff] [blame] | 3577 | |
Stephen Hemminger | f05267e | 2006-06-13 17:17:28 +0900 | [diff] [blame] | 3578 | for (i = 0; i < hw->ports; i++) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3579 | struct net_device *dev = hw->dev[i]; |
| 3580 | |
Stephen Hemminger | 6a5706b | 2006-07-12 15:23:46 -0700 | [diff] [blame] | 3581 | if (netif_running(dev)) { |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 3582 | sky2_down(dev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3583 | netif_device_detach(dev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3584 | } |
| 3585 | } |
| 3586 | |
Stephen Hemminger | 8ab8fca | 2006-06-13 17:17:30 +0900 | [diff] [blame] | 3587 | sky2_write32(hw, B0_IMSK, 0); |
Linus Torvalds | d374c1c | 2006-06-12 12:53:27 -0700 | [diff] [blame] | 3588 | pci_save_state(pdev); |
Stephen Hemminger | 2ccc99b | 2006-06-13 17:17:27 +0900 | [diff] [blame] | 3589 | sky2_set_power_state(hw, pstate); |
| 3590 | return 0; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3591 | } |
| 3592 | |
| 3593 | static int sky2_resume(struct pci_dev *pdev) |
| 3594 | { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3595 | struct sky2_hw *hw = pci_get_drvdata(pdev); |
Stephen Hemminger | 08c06d8 | 2006-01-30 11:37:54 -0800 | [diff] [blame] | 3596 | int i, err; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3597 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3598 | pci_restore_state(pdev); |
| 3599 | pci_enable_wake(pdev, PCI_D0, 0); |
Stephen Hemminger | 2ccc99b | 2006-06-13 17:17:27 +0900 | [diff] [blame] | 3600 | sky2_set_power_state(hw, PCI_D0); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3601 | |
Stephen Hemminger | 08c06d8 | 2006-01-30 11:37:54 -0800 | [diff] [blame] | 3602 | err = sky2_reset(hw); |
| 3603 | if (err) |
| 3604 | goto out; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3605 | |
Stephen Hemminger | 8ab8fca | 2006-06-13 17:17:30 +0900 | [diff] [blame] | 3606 | sky2_write32(hw, B0_IMSK, Y2_IS_BASE); |
| 3607 | |
Stephen Hemminger | f05267e | 2006-06-13 17:17:28 +0900 | [diff] [blame] | 3608 | for (i = 0; i < hw->ports; i++) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3609 | struct net_device *dev = hw->dev[i]; |
Stephen Hemminger | 6a5706b | 2006-07-12 15:23:46 -0700 | [diff] [blame] | 3610 | if (netif_running(dev)) { |
Stephen Hemminger | 08c06d8 | 2006-01-30 11:37:54 -0800 | [diff] [blame] | 3611 | netif_device_attach(dev); |
Stephen Hemminger | 88d1136 | 2006-06-16 12:10:46 -0700 | [diff] [blame] | 3612 | |
Stephen Hemminger | 08c06d8 | 2006-01-30 11:37:54 -0800 | [diff] [blame] | 3613 | err = sky2_up(dev); |
| 3614 | if (err) { |
| 3615 | printk(KERN_ERR PFX "%s: could not up: %d\n", |
| 3616 | dev->name, err); |
| 3617 | dev_close(dev); |
Stephen Hemminger | eb35cf6 | 2006-06-13 17:17:31 +0900 | [diff] [blame] | 3618 | goto out; |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 3619 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3620 | } |
| 3621 | } |
Stephen Hemminger | eb35cf6 | 2006-06-13 17:17:31 +0900 | [diff] [blame] | 3622 | |
Stephen Hemminger | 6a5706b | 2006-07-12 15:23:46 -0700 | [diff] [blame] | 3623 | netif_poll_enable(hw->dev[0]); |
Stephen Hemminger | eb35cf6 | 2006-06-13 17:17:31 +0900 | [diff] [blame] | 3624 | sky2_idle_start(hw); |
Stephen Hemminger | 08c06d8 | 2006-01-30 11:37:54 -0800 | [diff] [blame] | 3625 | out: |
| 3626 | return err; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3627 | } |
| 3628 | #endif |
| 3629 | |
| 3630 | static struct pci_driver sky2_driver = { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3631 | .name = DRV_NAME, |
| 3632 | .id_table = sky2_id_table, |
| 3633 | .probe = sky2_probe, |
| 3634 | .remove = __devexit_p(sky2_remove), |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3635 | #ifdef CONFIG_PM |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3636 | .suspend = sky2_suspend, |
| 3637 | .resume = sky2_resume, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3638 | #endif |
| 3639 | }; |
| 3640 | |
| 3641 | static int __init sky2_init_module(void) |
| 3642 | { |
shemminger@osdl.org | 50241c4 | 2005-11-30 11:45:22 -0800 | [diff] [blame] | 3643 | return pci_register_driver(&sky2_driver); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3644 | } |
| 3645 | |
| 3646 | static void __exit sky2_cleanup_module(void) |
| 3647 | { |
| 3648 | pci_unregister_driver(&sky2_driver); |
| 3649 | } |
| 3650 | |
| 3651 | module_init(sky2_init_module); |
| 3652 | module_exit(sky2_cleanup_module); |
| 3653 | |
| 3654 | MODULE_DESCRIPTION("Marvell Yukon 2 Gigabit Ethernet driver"); |
| 3655 | MODULE_AUTHOR("Stephen Hemminger <shemminger@osdl.org>"); |
| 3656 | MODULE_LICENSE("GPL"); |
shemminger@osdl.org | 5f4f9dc | 2005-11-30 11:45:23 -0800 | [diff] [blame] | 3657 | MODULE_VERSION(DRV_VERSION); |