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 | e5b74c7 | 2006-12-04 15:53:36 -0800 | [diff] [blame] | 103 | { PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9000) }, /* SK-9Sxx */ |
| 104 | { PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9E00) }, /* SK-9Exx */ |
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 | e5b74c7 | 2006-12-04 15:53:36 -0800 | [diff] [blame] | 108 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4340) }, /* 88E8021 */ |
| 109 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4341) }, /* 88E8022 */ |
| 110 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4342) }, /* 88E8061 */ |
| 111 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4343) }, /* 88E8062 */ |
| 112 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4344) }, /* 88E8021 */ |
| 113 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4345) }, /* 88E8022 */ |
| 114 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4346) }, /* 88E8061 */ |
| 115 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4347) }, /* 88E8062 */ |
| 116 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4350) }, /* 88E8035 */ |
| 117 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4351) }, /* 88E8036 */ |
| 118 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4352) }, /* 88E8038 */ |
| 119 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4353) }, /* 88E8039 */ |
| 120 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4356) }, /* 88EC033 */ |
| 121 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4360) }, /* 88E8052 */ |
| 122 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4361) }, /* 88E8050 */ |
| 123 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4362) }, /* 88E8053 */ |
| 124 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4363) }, /* 88E8055 */ |
| 125 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4364) }, /* 88E8056 */ |
| 126 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4366) }, /* 88EC036 */ |
| 127 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4367) }, /* 88EC032 */ |
| 128 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4368) }, /* 88EC034 */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 129 | { 0 } |
| 130 | }; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 131 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 132 | MODULE_DEVICE_TABLE(pci, sky2_id_table); |
| 133 | |
| 134 | /* Avoid conditionals by using array */ |
| 135 | static const unsigned txqaddr[] = { Q_XA1, Q_XA2 }; |
| 136 | static const unsigned rxqaddr[] = { Q_R1, Q_R2 }; |
Stephen Hemminger | f4ea431 | 2006-05-09 14:46:54 -0700 | [diff] [blame] | 137 | 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] | 138 | |
Stephen Hemminger | 92f965e | 2005-12-09 11:34:53 -0800 | [diff] [blame] | 139 | /* This driver supports yukon2 chipset only */ |
| 140 | static const char *yukon2_name[] = { |
| 141 | "XL", /* 0xb3 */ |
| 142 | "EC Ultra", /* 0xb4 */ |
| 143 | "UNKNOWN", /* 0xb5 */ |
| 144 | "EC", /* 0xb6 */ |
| 145 | "FE", /* 0xb7 */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 146 | }; |
| 147 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 148 | /* Access to external PHY */ |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 149 | 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] | 150 | { |
| 151 | int i; |
| 152 | |
| 153 | gma_write16(hw, port, GM_SMI_DATA, val); |
| 154 | gma_write16(hw, port, GM_SMI_CTRL, |
| 155 | GM_SMI_CT_PHY_AD(PHY_ADDR_MARV) | GM_SMI_CT_REG_AD(reg)); |
| 156 | |
| 157 | for (i = 0; i < PHY_RETRIES; i++) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 158 | 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] | 159 | return 0; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 160 | udelay(1); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 161 | } |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 162 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 163 | 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] | 164 | return -ETIMEDOUT; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 165 | } |
| 166 | |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 167 | 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] | 168 | { |
| 169 | int i; |
| 170 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 171 | 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] | 172 | | GM_SMI_CT_REG_AD(reg) | GM_SMI_CT_OP_RD); |
| 173 | |
| 174 | for (i = 0; i < PHY_RETRIES; i++) { |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 175 | if (gma_read16(hw, port, GM_SMI_CTRL) & GM_SMI_CT_RD_VAL) { |
| 176 | *val = gma_read16(hw, port, GM_SMI_DATA); |
| 177 | return 0; |
| 178 | } |
| 179 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 180 | udelay(1); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 181 | } |
| 182 | |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 183 | return -ETIMEDOUT; |
| 184 | } |
| 185 | |
| 186 | static u16 gm_phy_read(struct sky2_hw *hw, unsigned port, u16 reg) |
| 187 | { |
| 188 | u16 v; |
| 189 | |
| 190 | if (__gm_phy_read(hw, port, reg, &v) != 0) |
| 191 | printk(KERN_WARNING PFX "%s: phy read timeout\n", hw->dev[port]->name); |
| 192 | return v; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 193 | } |
| 194 | |
Stephen Hemminger | 2ccc99b | 2006-06-13 17:17:27 +0900 | [diff] [blame] | 195 | 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] | 196 | { |
| 197 | u16 power_control; |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 198 | int vaux; |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 199 | |
| 200 | pr_debug("sky2_set_power_state %d\n", state); |
| 201 | sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON); |
| 202 | |
Stephen Hemminger | 56a645c | 2006-02-22 11:45:02 -0800 | [diff] [blame] | 203 | power_control = sky2_pci_read16(hw, hw->pm_cap + PCI_PM_PMC); |
Stephen Hemminger | 08c06d8 | 2006-01-30 11:37:54 -0800 | [diff] [blame] | 204 | vaux = (sky2_read16(hw, B0_CTST) & Y2_VAUX_AVAIL) && |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 205 | (power_control & PCI_PM_CAP_PME_D3cold); |
| 206 | |
Stephen Hemminger | 56a645c | 2006-02-22 11:45:02 -0800 | [diff] [blame] | 207 | 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] | 208 | |
| 209 | power_control |= PCI_PM_CTRL_PME_STATUS; |
| 210 | power_control &= ~(PCI_PM_CTRL_STATE_MASK); |
| 211 | |
| 212 | switch (state) { |
| 213 | case PCI_D0: |
| 214 | /* switch power to VCC (WA for VAUX problem) */ |
| 215 | sky2_write8(hw, B0_POWER_CTRL, |
| 216 | PC_VAUX_ENA | PC_VCC_ENA | PC_VAUX_OFF | PC_VCC_ON); |
| 217 | |
| 218 | /* disable Core Clock Division, */ |
| 219 | sky2_write32(hw, B2_Y2_CLK_CTRL, Y2_CLK_DIV_DIS); |
| 220 | |
| 221 | if (hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev > 1) |
| 222 | /* enable bits are inverted */ |
| 223 | sky2_write8(hw, B2_Y2_CLK_GATE, |
| 224 | Y2_PCI_CLK_LNK1_DIS | Y2_COR_CLK_LNK1_DIS | |
| 225 | Y2_CLK_GAT_LNK1_DIS | Y2_PCI_CLK_LNK2_DIS | |
| 226 | Y2_COR_CLK_LNK2_DIS | Y2_CLK_GAT_LNK2_DIS); |
| 227 | else |
| 228 | sky2_write8(hw, B2_Y2_CLK_GATE, 0); |
| 229 | |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 230 | if (hw->chip_id == CHIP_ID_YUKON_EC_U) { |
shemminger@osdl.org | d3bcfbe | 2006-08-28 10:00:51 -0700 | [diff] [blame] | 231 | u32 reg1; |
| 232 | |
Stephen Hemminger | 56a645c | 2006-02-22 11:45:02 -0800 | [diff] [blame] | 233 | sky2_pci_write32(hw, PCI_DEV_REG3, 0); |
| 234 | reg1 = sky2_pci_read32(hw, PCI_DEV_REG4); |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 235 | reg1 &= P_ASPM_CONTROL_MSK; |
Stephen Hemminger | 56a645c | 2006-02-22 11:45:02 -0800 | [diff] [blame] | 236 | sky2_pci_write32(hw, PCI_DEV_REG4, reg1); |
| 237 | sky2_pci_write32(hw, PCI_DEV_REG5, 0); |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 238 | } |
| 239 | |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 240 | break; |
| 241 | |
| 242 | case PCI_D3hot: |
| 243 | case PCI_D3cold: |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 244 | if (hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev > 1) |
| 245 | sky2_write8(hw, B2_Y2_CLK_GATE, 0); |
| 246 | else |
| 247 | /* enable bits are inverted */ |
| 248 | sky2_write8(hw, B2_Y2_CLK_GATE, |
| 249 | Y2_PCI_CLK_LNK1_DIS | Y2_COR_CLK_LNK1_DIS | |
| 250 | Y2_CLK_GAT_LNK1_DIS | Y2_PCI_CLK_LNK2_DIS | |
| 251 | Y2_COR_CLK_LNK2_DIS | Y2_CLK_GAT_LNK2_DIS); |
| 252 | |
| 253 | /* switch power to VAUX */ |
| 254 | if (vaux && state != PCI_D3cold) |
| 255 | sky2_write8(hw, B0_POWER_CTRL, |
| 256 | (PC_VAUX_ENA | PC_VCC_ENA | |
| 257 | PC_VAUX_ON | PC_VCC_OFF)); |
| 258 | break; |
| 259 | default: |
| 260 | printk(KERN_ERR PFX "Unknown power state %d\n", state); |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 261 | } |
| 262 | |
Stephen Hemminger | 56a645c | 2006-02-22 11:45:02 -0800 | [diff] [blame] | 263 | 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] | 264 | sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF); |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 265 | } |
| 266 | |
shemminger@osdl.org | d3bcfbe | 2006-08-28 10:00:51 -0700 | [diff] [blame] | 267 | static void sky2_gmac_reset(struct sky2_hw *hw, unsigned port) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 268 | { |
| 269 | u16 reg; |
| 270 | |
| 271 | /* disable all GMAC IRQ's */ |
| 272 | sky2_write8(hw, SK_REG(port, GMAC_IRQ_MSK), 0); |
| 273 | /* disable PHY IRQs */ |
| 274 | gm_phy_write(hw, port, PHY_MARV_INT_MASK, 0); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 275 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 276 | gma_write16(hw, port, GM_MC_ADDR_H1, 0); /* clear MC hash */ |
| 277 | gma_write16(hw, port, GM_MC_ADDR_H2, 0); |
| 278 | gma_write16(hw, port, GM_MC_ADDR_H3, 0); |
| 279 | gma_write16(hw, port, GM_MC_ADDR_H4, 0); |
| 280 | |
| 281 | reg = gma_read16(hw, port, GM_RX_CTRL); |
| 282 | reg |= GM_RXCR_UCF_ENA | GM_RXCR_MCF_ENA; |
| 283 | gma_write16(hw, port, GM_RX_CTRL, reg); |
| 284 | } |
| 285 | |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 286 | /* flow control to advertise bits */ |
| 287 | static const u16 copper_fc_adv[] = { |
| 288 | [FC_NONE] = 0, |
| 289 | [FC_TX] = PHY_M_AN_ASP, |
| 290 | [FC_RX] = PHY_M_AN_PC, |
| 291 | [FC_BOTH] = PHY_M_AN_PC | PHY_M_AN_ASP, |
| 292 | }; |
| 293 | |
| 294 | /* flow control to advertise bits when using 1000BaseX */ |
| 295 | static const u16 fiber_fc_adv[] = { |
| 296 | [FC_BOTH] = PHY_M_P_BOTH_MD_X, |
| 297 | [FC_TX] = PHY_M_P_ASYM_MD_X, |
| 298 | [FC_RX] = PHY_M_P_SYM_MD_X, |
| 299 | [FC_NONE] = PHY_M_P_NO_PAUSE_X, |
| 300 | }; |
| 301 | |
| 302 | /* flow control to GMA disable bits */ |
| 303 | static const u16 gm_fc_disable[] = { |
| 304 | [FC_NONE] = GM_GPCR_FC_RX_DIS | GM_GPCR_FC_TX_DIS, |
| 305 | [FC_TX] = GM_GPCR_FC_RX_DIS, |
| 306 | [FC_RX] = GM_GPCR_FC_TX_DIS, |
| 307 | [FC_BOTH] = 0, |
| 308 | }; |
| 309 | |
| 310 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 311 | static void sky2_phy_init(struct sky2_hw *hw, unsigned port) |
| 312 | { |
| 313 | struct sky2_port *sky2 = netdev_priv(hw->dev[port]); |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 314 | u16 ctrl, ct1000, adv, pg, ledctrl, ledover, reg; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 315 | |
Stephen Hemminger | ed6d32c | 2006-05-08 15:11:33 -0700 | [diff] [blame] | 316 | if (sky2->autoneg == AUTONEG_ENABLE && |
Stephen Hemminger | 86a31a7 | 2006-05-17 14:37:05 -0700 | [diff] [blame] | 317 | !(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] | 318 | u16 ectrl = gm_phy_read(hw, port, PHY_MARV_EXT_CTRL); |
| 319 | |
| 320 | 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] | 321 | PHY_M_EC_MAC_S_MSK); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 322 | ectrl |= PHY_M_EC_MAC_S(MAC_TX_CLK_25_MHZ); |
| 323 | |
| 324 | if (hw->chip_id == CHIP_ID_YUKON_EC) |
| 325 | ectrl |= PHY_M_EC_DSC_2(2) | PHY_M_EC_DOWN_S_ENA; |
| 326 | else |
| 327 | ectrl |= PHY_M_EC_M_DSC(2) | PHY_M_EC_S_DSC(3); |
| 328 | |
| 329 | gm_phy_write(hw, port, PHY_MARV_EXT_CTRL, ectrl); |
| 330 | } |
| 331 | |
| 332 | ctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL); |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 333 | if (sky2_is_copper(hw)) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 334 | if (hw->chip_id == CHIP_ID_YUKON_FE) { |
| 335 | /* enable automatic crossover */ |
| 336 | ctrl |= PHY_M_PC_MDI_XMODE(PHY_M_PC_ENA_AUTO) >> 1; |
| 337 | } else { |
| 338 | /* disable energy detect */ |
| 339 | ctrl &= ~PHY_M_PC_EN_DET_MSK; |
| 340 | |
| 341 | /* enable automatic crossover */ |
| 342 | ctrl |= PHY_M_PC_MDI_XMODE(PHY_M_PC_ENA_AUTO); |
| 343 | |
| 344 | if (sky2->autoneg == AUTONEG_ENABLE && |
Stephen Hemminger | ed6d32c | 2006-05-08 15:11:33 -0700 | [diff] [blame] | 345 | (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] | 346 | ctrl &= ~PHY_M_PC_DSC_MSK; |
| 347 | ctrl |= PHY_M_PC_DSC(2) | PHY_M_PC_DOWN_S_ENA; |
| 348 | } |
| 349 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 350 | } else { |
| 351 | /* workaround for deviation #4.88 (CRC errors) */ |
| 352 | /* disable Automatic Crossover */ |
| 353 | |
| 354 | ctrl &= ~PHY_M_PC_MDIX_MSK; |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 355 | } |
| 356 | |
| 357 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl); |
| 358 | |
| 359 | /* special setup for PHY 88E1112 Fiber */ |
| 360 | if (hw->chip_id == CHIP_ID_YUKON_XL && !sky2_is_copper(hw)) { |
| 361 | pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); |
| 362 | |
| 363 | /* Fiber: select 1000BASE-X only mode MAC Specific Ctrl Reg. */ |
| 364 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 2); |
| 365 | ctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL); |
| 366 | ctrl &= ~PHY_M_MAC_MD_MSK; |
| 367 | ctrl |= PHY_M_MAC_MODE_SEL(PHY_M_MAC_MD_1000BX); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 368 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl); |
| 369 | |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 370 | if (hw->pmd_type == 'P') { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 371 | /* select page 1 to access Fiber registers */ |
| 372 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 1); |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 373 | |
| 374 | /* for SFP-module set SIGDET polarity to low */ |
| 375 | ctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL); |
| 376 | ctrl |= PHY_M_FIB_SIGD_POL; |
| 377 | gm_phy_write(hw, port, PHY_MARV_CTRL, ctrl); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 378 | } |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 379 | |
| 380 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 381 | } |
| 382 | |
Stephen Hemminger | 7800fdd | 2006-10-17 10:24:10 -0700 | [diff] [blame] | 383 | ctrl = PHY_CT_RESET; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 384 | ct1000 = 0; |
| 385 | adv = PHY_AN_CSMA; |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 386 | reg = 0; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 387 | |
| 388 | if (sky2->autoneg == AUTONEG_ENABLE) { |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 389 | if (sky2_is_copper(hw)) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 390 | if (sky2->advertising & ADVERTISED_1000baseT_Full) |
| 391 | ct1000 |= PHY_M_1000C_AFD; |
| 392 | if (sky2->advertising & ADVERTISED_1000baseT_Half) |
| 393 | ct1000 |= PHY_M_1000C_AHD; |
| 394 | if (sky2->advertising & ADVERTISED_100baseT_Full) |
| 395 | adv |= PHY_M_AN_100_FD; |
| 396 | if (sky2->advertising & ADVERTISED_100baseT_Half) |
| 397 | adv |= PHY_M_AN_100_HD; |
| 398 | if (sky2->advertising & ADVERTISED_10baseT_Full) |
| 399 | adv |= PHY_M_AN_10_FD; |
| 400 | if (sky2->advertising & ADVERTISED_10baseT_Half) |
| 401 | adv |= PHY_M_AN_10_HD; |
Stephen Hemminger | 709c6e7 | 2006-10-17 10:24:04 -0700 | [diff] [blame] | 402 | |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 403 | adv |= copper_fc_adv[sky2->flow_mode]; |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 404 | } else { /* special defines for FIBER (88E1040S only) */ |
| 405 | if (sky2->advertising & ADVERTISED_1000baseT_Full) |
| 406 | adv |= PHY_M_AN_1000X_AFD; |
| 407 | if (sky2->advertising & ADVERTISED_1000baseT_Half) |
| 408 | adv |= PHY_M_AN_1000X_AHD; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 409 | |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 410 | adv |= fiber_fc_adv[sky2->flow_mode]; |
Stephen Hemminger | 709c6e7 | 2006-10-17 10:24:04 -0700 | [diff] [blame] | 411 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 412 | |
| 413 | /* Restart Auto-negotiation */ |
| 414 | ctrl |= PHY_CT_ANE | PHY_CT_RE_CFG; |
| 415 | } else { |
| 416 | /* forced speed/duplex settings */ |
| 417 | ct1000 = PHY_M_1000C_MSE; |
| 418 | |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 419 | /* Disable auto update for duplex flow control and speed */ |
| 420 | reg |= GM_GPCR_AU_ALL_DIS; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 421 | |
| 422 | switch (sky2->speed) { |
| 423 | case SPEED_1000: |
| 424 | ctrl |= PHY_CT_SP1000; |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 425 | reg |= GM_GPCR_SPEED_1000; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 426 | break; |
| 427 | case SPEED_100: |
| 428 | ctrl |= PHY_CT_SP100; |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 429 | reg |= GM_GPCR_SPEED_100; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 430 | break; |
| 431 | } |
| 432 | |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 433 | if (sky2->duplex == DUPLEX_FULL) { |
| 434 | reg |= GM_GPCR_DUP_FULL; |
| 435 | ctrl |= PHY_CT_DUP_MD; |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 436 | } else if (sky2->speed < SPEED_1000) |
| 437 | sky2->flow_mode = FC_NONE; |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 438 | |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 439 | |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 440 | reg |= gm_fc_disable[sky2->flow_mode]; |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 441 | |
| 442 | /* Forward pause packets to GMAC? */ |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 443 | if (sky2->flow_mode & FC_RX) |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 444 | sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_PAUSE_ON); |
| 445 | else |
| 446 | sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_PAUSE_OFF); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 447 | } |
| 448 | |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 449 | gma_write16(hw, port, GM_GP_CTRL, reg); |
| 450 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 451 | if (hw->chip_id != CHIP_ID_YUKON_FE) |
| 452 | gm_phy_write(hw, port, PHY_MARV_1000T_CTRL, ct1000); |
| 453 | |
| 454 | gm_phy_write(hw, port, PHY_MARV_AUNE_ADV, adv); |
| 455 | gm_phy_write(hw, port, PHY_MARV_CTRL, ctrl); |
| 456 | |
| 457 | /* Setup Phy LED's */ |
| 458 | ledctrl = PHY_M_LED_PULS_DUR(PULS_170MS); |
| 459 | ledover = 0; |
| 460 | |
| 461 | switch (hw->chip_id) { |
| 462 | case CHIP_ID_YUKON_FE: |
| 463 | /* on 88E3082 these bits are at 11..9 (shifted left) */ |
| 464 | ledctrl |= PHY_M_LED_BLINK_RT(BLINK_84MS) << 1; |
| 465 | |
| 466 | ctrl = gm_phy_read(hw, port, PHY_MARV_FE_LED_PAR); |
| 467 | |
| 468 | /* delete ACT LED control bits */ |
| 469 | ctrl &= ~PHY_M_FELP_LED1_MSK; |
| 470 | /* change ACT LED control to blink mode */ |
| 471 | ctrl |= PHY_M_FELP_LED1_CTRL(LED_PAR_CTRL_ACT_BL); |
| 472 | gm_phy_write(hw, port, PHY_MARV_FE_LED_PAR, ctrl); |
| 473 | break; |
| 474 | |
| 475 | case CHIP_ID_YUKON_XL: |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 476 | pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 477 | |
| 478 | /* select page 3 to access LED control register */ |
| 479 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 3); |
| 480 | |
| 481 | /* set LED Function Control register */ |
Stephen Hemminger | ed6d32c | 2006-05-08 15:11:33 -0700 | [diff] [blame] | 482 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, |
| 483 | (PHY_M_LEDC_LOS_CTRL(1) | /* LINK/ACT */ |
| 484 | PHY_M_LEDC_INIT_CTRL(7) | /* 10 Mbps */ |
| 485 | PHY_M_LEDC_STA1_CTRL(7) | /* 100 Mbps */ |
| 486 | PHY_M_LEDC_STA0_CTRL(7))); /* 1000 Mbps */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 487 | |
| 488 | /* set Polarity Control register */ |
| 489 | gm_phy_write(hw, port, PHY_MARV_PHY_STAT, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 490 | (PHY_M_POLC_LS1_P_MIX(4) | |
| 491 | PHY_M_POLC_IS0_P_MIX(4) | |
| 492 | PHY_M_POLC_LOS_CTRL(2) | |
| 493 | PHY_M_POLC_INIT_CTRL(2) | |
| 494 | PHY_M_POLC_STA1_CTRL(2) | |
| 495 | PHY_M_POLC_STA0_CTRL(2))); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 496 | |
| 497 | /* restore page register */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 498 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 499 | break; |
Stephen Hemminger | ed6d32c | 2006-05-08 15:11:33 -0700 | [diff] [blame] | 500 | case CHIP_ID_YUKON_EC_U: |
| 501 | pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); |
| 502 | |
| 503 | /* select page 3 to access LED control register */ |
| 504 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 3); |
| 505 | |
| 506 | /* set LED Function Control register */ |
| 507 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, |
| 508 | (PHY_M_LEDC_LOS_CTRL(1) | /* LINK/ACT */ |
| 509 | PHY_M_LEDC_INIT_CTRL(8) | /* 10 Mbps */ |
| 510 | PHY_M_LEDC_STA1_CTRL(7) | /* 100 Mbps */ |
| 511 | PHY_M_LEDC_STA0_CTRL(7)));/* 1000 Mbps */ |
| 512 | |
| 513 | /* set Blink Rate in LED Timer Control Register */ |
| 514 | gm_phy_write(hw, port, PHY_MARV_INT_MASK, |
| 515 | ledctrl | PHY_M_LED_BLINK_RT(BLINK_84MS)); |
| 516 | /* restore page register */ |
| 517 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg); |
| 518 | break; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 519 | |
| 520 | default: |
| 521 | /* set Tx LED (LED_TX) to blink mode on Rx OR Tx activity */ |
| 522 | ledctrl |= PHY_M_LED_BLINK_RT(BLINK_84MS) | PHY_M_LEDC_TX_CTRL; |
| 523 | /* turn off the Rx LED (LED_RX) */ |
Stephen Hemminger | 0efdf26 | 2006-12-05 12:03:41 -0800 | [diff] [blame] | 524 | ledover &= ~PHY_M_LED_MO_RX; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 525 | } |
| 526 | |
Stephen Hemminger | ed6d32c | 2006-05-08 15:11:33 -0700 | [diff] [blame] | 527 | 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] | 528 | /* apply fixes in PHY AFE */ |
Stephen Hemminger | ed6d32c | 2006-05-08 15:11:33 -0700 | [diff] [blame] | 529 | pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); |
| 530 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 255); |
| 531 | |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 532 | /* increase differential signal amplitude in 10BASE-T */ |
Stephen Hemminger | ed6d32c | 2006-05-08 15:11:33 -0700 | [diff] [blame] | 533 | gm_phy_write(hw, port, 0x18, 0xaa99); |
| 534 | gm_phy_write(hw, port, 0x17, 0x2011); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 535 | |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 536 | /* fix for IEEE A/B Symmetry failure in 1000BASE-T */ |
Stephen Hemminger | ed6d32c | 2006-05-08 15:11:33 -0700 | [diff] [blame] | 537 | gm_phy_write(hw, port, 0x18, 0xa204); |
| 538 | gm_phy_write(hw, port, 0x17, 0x2002); |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 539 | |
| 540 | /* set page register to 0 */ |
Stephen Hemminger | ed6d32c | 2006-05-08 15:11:33 -0700 | [diff] [blame] | 541 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg); |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 542 | } else { |
| 543 | gm_phy_write(hw, port, PHY_MARV_LED_CTRL, ledctrl); |
| 544 | |
| 545 | if (sky2->autoneg == AUTONEG_DISABLE || sky2->speed == SPEED_100) { |
| 546 | /* turn on 100 Mbps LED (LED_LINK100) */ |
Stephen Hemminger | 0efdf26 | 2006-12-05 12:03:41 -0800 | [diff] [blame] | 547 | ledover |= PHY_M_LED_MO_100; |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 548 | } |
| 549 | |
| 550 | if (ledover) |
| 551 | gm_phy_write(hw, port, PHY_MARV_LED_OVER, ledover); |
| 552 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 553 | } |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 554 | |
shemminger@osdl.org | d571b69 | 2005-10-26 12:16:09 -0700 | [diff] [blame] | 555 | /* Enable phy interrupt on auto-negotiation complete (or link up) */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 556 | if (sky2->autoneg == AUTONEG_ENABLE) |
| 557 | gm_phy_write(hw, port, PHY_MARV_INT_MASK, PHY_M_IS_AN_COMPL); |
| 558 | else |
| 559 | gm_phy_write(hw, port, PHY_MARV_INT_MASK, PHY_M_DEF_MSK); |
| 560 | } |
| 561 | |
shemminger@osdl.org | d3bcfbe | 2006-08-28 10:00:51 -0700 | [diff] [blame] | 562 | static void sky2_phy_power(struct sky2_hw *hw, unsigned port, int onoff) |
| 563 | { |
| 564 | u32 reg1; |
| 565 | static const u32 phy_power[] |
| 566 | = { PCI_Y2_PHY1_POWD, PCI_Y2_PHY2_POWD }; |
| 567 | |
| 568 | /* looks like this XL is back asswards .. */ |
| 569 | if (hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev > 1) |
| 570 | onoff = !onoff; |
| 571 | |
| 572 | reg1 = sky2_pci_read32(hw, PCI_DEV_REG1); |
| 573 | |
| 574 | if (onoff) |
| 575 | /* Turn off phy power saving */ |
| 576 | reg1 &= ~phy_power[port]; |
| 577 | else |
| 578 | reg1 |= phy_power[port]; |
| 579 | |
| 580 | sky2_pci_write32(hw, PCI_DEV_REG1, reg1); |
shemminger@osdl.org | 98232f8 | 2006-08-28 10:00:52 -0700 | [diff] [blame] | 581 | sky2_pci_read32(hw, PCI_DEV_REG1); |
shemminger@osdl.org | d3bcfbe | 2006-08-28 10:00:51 -0700 | [diff] [blame] | 582 | udelay(100); |
| 583 | } |
| 584 | |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 585 | /* Force a renegotiation */ |
| 586 | static void sky2_phy_reinit(struct sky2_port *sky2) |
| 587 | { |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 588 | spin_lock_bh(&sky2->phy_lock); |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 589 | sky2_phy_init(sky2->hw, sky2->port); |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 590 | spin_unlock_bh(&sky2->phy_lock); |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 591 | } |
| 592 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 593 | static void sky2_mac_init(struct sky2_hw *hw, unsigned port) |
| 594 | { |
| 595 | struct sky2_port *sky2 = netdev_priv(hw->dev[port]); |
| 596 | u16 reg; |
| 597 | int i; |
| 598 | const u8 *addr = hw->dev[port]->dev_addr; |
| 599 | |
shemminger@osdl.org | 42eeea0 | 2005-11-30 11:45:13 -0800 | [diff] [blame] | 600 | sky2_write32(hw, SK_REG(port, GPHY_CTRL), GPC_RST_SET); |
| 601 | 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] | 602 | |
| 603 | sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_RST_CLR); |
| 604 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 605 | 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] | 606 | /* WA DEV_472 -- looks like crossed wires on port 2 */ |
| 607 | /* clear GMAC 1 Control reset */ |
| 608 | sky2_write8(hw, SK_REG(0, GMAC_CTRL), GMC_RST_CLR); |
| 609 | do { |
| 610 | sky2_write8(hw, SK_REG(1, GMAC_CTRL), GMC_RST_SET); |
| 611 | sky2_write8(hw, SK_REG(1, GMAC_CTRL), GMC_RST_CLR); |
| 612 | } while (gm_phy_read(hw, 1, PHY_MARV_ID0) != PHY_MARV_ID0_VAL || |
| 613 | gm_phy_read(hw, 1, PHY_MARV_ID1) != PHY_MARV_ID1_Y2 || |
| 614 | gm_phy_read(hw, 1, PHY_MARV_INT_MASK) != 0); |
| 615 | } |
| 616 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 617 | sky2_read16(hw, SK_REG(port, GMAC_IRQ_SRC)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 618 | |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 619 | /* Enable Transmit FIFO Underrun */ |
| 620 | sky2_write8(hw, SK_REG(port, GMAC_IRQ_MSK), GMAC_DEF_MSK); |
| 621 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 622 | spin_lock_bh(&sky2->phy_lock); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 623 | sky2_phy_init(hw, port); |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 624 | spin_unlock_bh(&sky2->phy_lock); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 625 | |
| 626 | /* MIB clear */ |
| 627 | reg = gma_read16(hw, port, GM_PHY_ADDR); |
| 628 | gma_write16(hw, port, GM_PHY_ADDR, reg | GM_PAR_MIB_CLR); |
| 629 | |
Stephen Hemminger | 43f2f10 | 2006-04-05 17:47:15 -0700 | [diff] [blame] | 630 | for (i = GM_MIB_CNT_BASE; i <= GM_MIB_CNT_END; i += 4) |
| 631 | gma_read16(hw, port, i); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 632 | gma_write16(hw, port, GM_PHY_ADDR, reg); |
| 633 | |
| 634 | /* transmit control */ |
| 635 | gma_write16(hw, port, GM_TX_CTRL, TX_COL_THR(TX_COL_DEF)); |
| 636 | |
| 637 | /* receive control reg: unicast + multicast + no FCS */ |
| 638 | gma_write16(hw, port, GM_RX_CTRL, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 639 | GM_RXCR_UCF_ENA | GM_RXCR_CRC_DIS | GM_RXCR_MCF_ENA); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 640 | |
| 641 | /* transmit flow control */ |
| 642 | gma_write16(hw, port, GM_TX_FLOW_CTRL, 0xffff); |
| 643 | |
| 644 | /* transmit parameter */ |
| 645 | gma_write16(hw, port, GM_TX_PARAM, |
| 646 | TX_JAM_LEN_VAL(TX_JAM_LEN_DEF) | |
| 647 | TX_JAM_IPG_VAL(TX_JAM_IPG_DEF) | |
| 648 | TX_IPG_JAM_DATA(TX_IPG_JAM_DEF) | |
| 649 | TX_BACK_OFF_LIM(TX_BOF_LIM_DEF)); |
| 650 | |
| 651 | /* serial mode register */ |
| 652 | reg = DATA_BLIND_VAL(DATA_BLIND_DEF) | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 653 | GM_SMOD_VLAN_ENA | IPG_DATA_VAL(IPG_DATA_DEF); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 654 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 655 | if (hw->dev[port]->mtu > ETH_DATA_LEN) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 656 | reg |= GM_SMOD_JUMBO_ENA; |
| 657 | |
| 658 | gma_write16(hw, port, GM_SERIAL_MODE, reg); |
| 659 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 660 | /* virtual address for data */ |
| 661 | gma_set_addr(hw, port, GM_SRC_ADDR_2L, addr); |
| 662 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 663 | /* physical address: used for pause frames */ |
| 664 | gma_set_addr(hw, port, GM_SRC_ADDR_1L, addr); |
| 665 | |
| 666 | /* ignore counter overflows */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 667 | gma_write16(hw, port, GM_TX_IRQ_MSK, 0); |
| 668 | gma_write16(hw, port, GM_RX_IRQ_MSK, 0); |
| 669 | gma_write16(hw, port, GM_TR_IRQ_MSK, 0); |
| 670 | |
| 671 | /* Configure Rx MAC FIFO */ |
| 672 | 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] | 673 | sky2_write32(hw, SK_REG(port, RX_GMF_CTRL_T), |
| 674 | GMF_OPER_ON | GMF_RX_F_FL_ON); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 675 | |
shemminger@osdl.org | d571b69 | 2005-10-26 12:16:09 -0700 | [diff] [blame] | 676 | /* Flush Rx MAC FIFO on any flow control or error */ |
shemminger@osdl.org | 42eeea0 | 2005-11-30 11:45:13 -0800 | [diff] [blame] | 677 | 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] | 678 | |
Stephen Hemminger | 8df9a87 | 2006-12-01 14:29:35 -0800 | [diff] [blame] | 679 | /* Set threshold to 0xa (64 bytes) + 1 to workaround pause bug */ |
| 680 | 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] | 681 | |
| 682 | /* Configure Tx MAC FIFO */ |
| 683 | sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_RST_CLR); |
| 684 | 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] | 685 | |
| 686 | if (hw->chip_id == CHIP_ID_YUKON_EC_U) { |
Stephen Hemminger | 8df9a87 | 2006-12-01 14:29:35 -0800 | [diff] [blame] | 687 | 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] | 688 | sky2_write8(hw, SK_REG(port, RX_GMF_UP_THR), 1024/8); |
| 689 | if (hw->dev[port]->mtu > ETH_DATA_LEN) { |
| 690 | /* set Tx GMAC FIFO Almost Empty Threshold */ |
| 691 | sky2_write32(hw, SK_REG(port, TX_GMF_AE_THR), 0x180); |
| 692 | /* Disable Store & Forward mode for TX */ |
| 693 | sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), TX_STFW_DIS); |
| 694 | } |
| 695 | } |
| 696 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 697 | } |
| 698 | |
Stephen Hemminger | 6771290 | 2006-12-04 15:53:45 -0800 | [diff] [blame] | 699 | /* Assign Ram Buffer allocation to queue */ |
| 700 | static void sky2_ramset(struct sky2_hw *hw, u16 q, u32 start, u32 space) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 701 | { |
Stephen Hemminger | 6771290 | 2006-12-04 15:53:45 -0800 | [diff] [blame] | 702 | u32 end; |
| 703 | |
| 704 | /* convert from K bytes to qwords used for hw register */ |
| 705 | start *= 1024/8; |
| 706 | space *= 1024/8; |
| 707 | end = start + space - 1; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 708 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 709 | sky2_write8(hw, RB_ADDR(q, RB_CTRL), RB_RST_CLR); |
| 710 | sky2_write32(hw, RB_ADDR(q, RB_START), start); |
| 711 | sky2_write32(hw, RB_ADDR(q, RB_END), end); |
| 712 | sky2_write32(hw, RB_ADDR(q, RB_WP), start); |
| 713 | sky2_write32(hw, RB_ADDR(q, RB_RP), start); |
| 714 | |
| 715 | if (q == Q_R1 || q == Q_R2) { |
Stephen Hemminger | 1c28f6b | 2006-01-17 13:43:13 -0800 | [diff] [blame] | 716 | u32 tp = space - space/4; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 717 | |
Stephen Hemminger | 1c28f6b | 2006-01-17 13:43:13 -0800 | [diff] [blame] | 718 | /* On receive queue's set the thresholds |
| 719 | * give receiver priority when > 3/4 full |
| 720 | * send pause when down to 2K |
| 721 | */ |
| 722 | sky2_write32(hw, RB_ADDR(q, RB_RX_UTHP), tp); |
| 723 | sky2_write32(hw, RB_ADDR(q, RB_RX_LTHP), space/2); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 724 | |
Stephen Hemminger | 1c28f6b | 2006-01-17 13:43:13 -0800 | [diff] [blame] | 725 | tp = space - 2048/8; |
| 726 | sky2_write32(hw, RB_ADDR(q, RB_RX_UTPP), tp); |
| 727 | sky2_write32(hw, RB_ADDR(q, RB_RX_LTPP), space/4); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 728 | } else { |
| 729 | /* Enable store & forward on Tx queue's because |
| 730 | * Tx FIFO is only 1K on Yukon |
| 731 | */ |
| 732 | sky2_write8(hw, RB_ADDR(q, RB_CTRL), RB_ENA_STFWD); |
| 733 | } |
| 734 | |
| 735 | sky2_write8(hw, RB_ADDR(q, RB_CTRL), RB_ENA_OP_MD); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 736 | sky2_read8(hw, RB_ADDR(q, RB_CTRL)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 737 | } |
| 738 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 739 | /* Setup Bus Memory Interface */ |
shemminger@osdl.org | af4ed7e | 2005-11-30 11:45:21 -0800 | [diff] [blame] | 740 | static void sky2_qset(struct sky2_hw *hw, u16 q) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 741 | { |
| 742 | sky2_write32(hw, Q_ADDR(q, Q_CSR), BMU_CLR_RESET); |
| 743 | sky2_write32(hw, Q_ADDR(q, Q_CSR), BMU_OPER_INIT); |
| 744 | 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] | 745 | sky2_write32(hw, Q_ADDR(q, Q_WM), BMU_WM_DEFAULT); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 746 | } |
| 747 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 748 | /* Setup prefetch unit registers. This is the interface between |
| 749 | * hardware and driver list elements |
| 750 | */ |
Stephen Hemminger | 8cc048e | 2005-12-09 11:35:07 -0800 | [diff] [blame] | 751 | static void sky2_prefetch_init(struct sky2_hw *hw, u32 qaddr, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 752 | u64 addr, u32 last) |
| 753 | { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 754 | sky2_write32(hw, Y2_QADDR(qaddr, PREF_UNIT_CTRL), PREF_UNIT_RST_SET); |
| 755 | sky2_write32(hw, Y2_QADDR(qaddr, PREF_UNIT_CTRL), PREF_UNIT_RST_CLR); |
| 756 | sky2_write32(hw, Y2_QADDR(qaddr, PREF_UNIT_ADDR_HI), addr >> 32); |
| 757 | sky2_write32(hw, Y2_QADDR(qaddr, PREF_UNIT_ADDR_LO), (u32) addr); |
| 758 | sky2_write16(hw, Y2_QADDR(qaddr, PREF_UNIT_LAST_IDX), last); |
| 759 | 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] | 760 | |
| 761 | sky2_read32(hw, Y2_QADDR(qaddr, PREF_UNIT_CTRL)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 762 | } |
| 763 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 764 | static inline struct sky2_tx_le *get_tx_le(struct sky2_port *sky2) |
| 765 | { |
| 766 | struct sky2_tx_le *le = sky2->tx_le + sky2->tx_prod; |
| 767 | |
Stephen Hemminger | cb5d954 | 2006-05-08 15:11:29 -0700 | [diff] [blame] | 768 | sky2->tx_prod = RING_NEXT(sky2->tx_prod, TX_RING_SIZE); |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 769 | le->ctrl = 0; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 770 | return le; |
| 771 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 772 | |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 773 | static inline struct tx_ring_info *tx_le_re(struct sky2_port *sky2, |
| 774 | struct sky2_tx_le *le) |
| 775 | { |
| 776 | return sky2->tx_ring + (le - sky2->tx_le); |
| 777 | } |
| 778 | |
Stephen Hemminger | 290d4de | 2006-03-20 15:48:15 -0800 | [diff] [blame] | 779 | /* Update chip's next pointer */ |
| 780 | 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] | 781 | { |
shemminger@osdl.org | 98232f8 | 2006-08-28 10:00:52 -0700 | [diff] [blame] | 782 | q = Y2_QADDR(q, PREF_UNIT_PUT_IDX); |
Stephen Hemminger | 762c2de | 2006-01-17 13:43:14 -0800 | [diff] [blame] | 783 | wmb(); |
shemminger@osdl.org | 98232f8 | 2006-08-28 10:00:52 -0700 | [diff] [blame] | 784 | sky2_write16(hw, q, idx); |
| 785 | sky2_read16(hw, q); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 786 | } |
| 787 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 788 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 789 | static inline struct sky2_rx_le *sky2_next_rx(struct sky2_port *sky2) |
| 790 | { |
| 791 | struct sky2_rx_le *le = sky2->rx_le + sky2->rx_put; |
Stephen Hemminger | cb5d954 | 2006-05-08 15:11:29 -0700 | [diff] [blame] | 792 | sky2->rx_put = RING_NEXT(sky2->rx_put, RX_LE_SIZE); |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 793 | le->ctrl = 0; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 794 | return le; |
| 795 | } |
| 796 | |
shemminger@osdl.org | a018e33 | 2005-11-30 11:45:16 -0800 | [diff] [blame] | 797 | /* Return high part of DMA address (could be 32 or 64 bit) */ |
| 798 | static inline u32 high32(dma_addr_t a) |
| 799 | { |
Stephen Hemminger | a036119 | 2006-01-17 13:43:16 -0800 | [diff] [blame] | 800 | return sizeof(a) > sizeof(u32) ? (a >> 16) >> 16 : 0; |
shemminger@osdl.org | a018e33 | 2005-11-30 11:45:16 -0800 | [diff] [blame] | 801 | } |
| 802 | |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 803 | /* Build description to hardware for one receive segment */ |
| 804 | static void sky2_rx_add(struct sky2_port *sky2, u8 op, |
| 805 | dma_addr_t map, unsigned len) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 806 | { |
| 807 | struct sky2_rx_le *le; |
Stephen Hemminger | 734d186 | 2005-12-09 11:35:00 -0800 | [diff] [blame] | 808 | u32 hi = high32(map); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 809 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 810 | if (sky2->rx_addr64 != hi) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 811 | le = sky2_next_rx(sky2); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 812 | le->addr = cpu_to_le32(hi); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 813 | le->opcode = OP_ADDR64 | HW_OWNER; |
Stephen Hemminger | 734d186 | 2005-12-09 11:35:00 -0800 | [diff] [blame] | 814 | sky2->rx_addr64 = high32(map + len); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 815 | } |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 816 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 817 | le = sky2_next_rx(sky2); |
Stephen Hemminger | 734d186 | 2005-12-09 11:35:00 -0800 | [diff] [blame] | 818 | le->addr = cpu_to_le32((u32) map); |
| 819 | le->length = cpu_to_le16(len); |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 820 | le->opcode = op | HW_OWNER; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 821 | } |
| 822 | |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 823 | /* Build description to hardware for one possibly fragmented skb */ |
| 824 | static void sky2_rx_submit(struct sky2_port *sky2, |
| 825 | const struct rx_ring_info *re) |
| 826 | { |
| 827 | int i; |
| 828 | |
| 829 | sky2_rx_add(sky2, OP_PACKET, re->data_addr, sky2->rx_data_size); |
| 830 | |
| 831 | for (i = 0; i < skb_shinfo(re->skb)->nr_frags; i++) |
| 832 | sky2_rx_add(sky2, OP_BUFFER, re->frag_addr[i], PAGE_SIZE); |
| 833 | } |
| 834 | |
| 835 | |
| 836 | static void sky2_rx_map_skb(struct pci_dev *pdev, struct rx_ring_info *re, |
| 837 | unsigned size) |
| 838 | { |
| 839 | struct sk_buff *skb = re->skb; |
| 840 | int i; |
| 841 | |
| 842 | re->data_addr = pci_map_single(pdev, skb->data, size, PCI_DMA_FROMDEVICE); |
| 843 | pci_unmap_len_set(re, data_size, size); |
| 844 | |
| 845 | for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) |
| 846 | re->frag_addr[i] = pci_map_page(pdev, |
| 847 | skb_shinfo(skb)->frags[i].page, |
| 848 | skb_shinfo(skb)->frags[i].page_offset, |
| 849 | skb_shinfo(skb)->frags[i].size, |
| 850 | PCI_DMA_FROMDEVICE); |
| 851 | } |
| 852 | |
| 853 | static void sky2_rx_unmap_skb(struct pci_dev *pdev, struct rx_ring_info *re) |
| 854 | { |
| 855 | struct sk_buff *skb = re->skb; |
| 856 | int i; |
| 857 | |
| 858 | pci_unmap_single(pdev, re->data_addr, pci_unmap_len(re, data_size), |
| 859 | PCI_DMA_FROMDEVICE); |
| 860 | |
| 861 | for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) |
| 862 | pci_unmap_page(pdev, re->frag_addr[i], |
| 863 | skb_shinfo(skb)->frags[i].size, |
| 864 | PCI_DMA_FROMDEVICE); |
| 865 | } |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 866 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 867 | /* Tell chip where to start receive checksum. |
| 868 | * Actually has two checksums, but set both same to avoid possible byte |
| 869 | * order problems. |
| 870 | */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 871 | static void rx_set_checksum(struct sky2_port *sky2) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 872 | { |
| 873 | struct sky2_rx_le *le; |
| 874 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 875 | le = sky2_next_rx(sky2); |
Stephen Hemminger | f65b138 | 2006-09-06 12:45:02 -0700 | [diff] [blame] | 876 | le->addr = cpu_to_le32((ETH_HLEN << 16) | ETH_HLEN); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 877 | le->ctrl = 0; |
| 878 | le->opcode = OP_TCPSTART | HW_OWNER; |
| 879 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 880 | sky2_write32(sky2->hw, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 881 | Q_ADDR(rxqaddr[sky2->port], Q_CSR), |
| 882 | sky2->rx_csum ? BMU_ENA_RX_CHKSUM : BMU_DIS_RX_CHKSUM); |
| 883 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 884 | } |
| 885 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 886 | /* |
| 887 | * The RX Stop command will not work for Yukon-2 if the BMU does not |
| 888 | * reach the end of packet and since we can't make sure that we have |
| 889 | * incoming data, we must reset the BMU while it is not doing a DMA |
| 890 | * transfer. Since it is possible that the RX path is still active, |
| 891 | * the RX RAM buffer will be stopped first, so any possible incoming |
| 892 | * data will not trigger a DMA. After the RAM buffer is stopped, the |
| 893 | * BMU is polled until any DMA in progress is ended and only then it |
| 894 | * will be reset. |
| 895 | */ |
| 896 | static void sky2_rx_stop(struct sky2_port *sky2) |
| 897 | { |
| 898 | struct sky2_hw *hw = sky2->hw; |
| 899 | unsigned rxq = rxqaddr[sky2->port]; |
| 900 | int i; |
| 901 | |
| 902 | /* disable the RAM Buffer receive queue */ |
| 903 | sky2_write8(hw, RB_ADDR(rxq, RB_CTRL), RB_DIS_OP_MD); |
| 904 | |
| 905 | for (i = 0; i < 0xffff; i++) |
| 906 | if (sky2_read8(hw, RB_ADDR(rxq, Q_RSL)) |
| 907 | == sky2_read8(hw, RB_ADDR(rxq, Q_RL))) |
| 908 | goto stopped; |
| 909 | |
| 910 | printk(KERN_WARNING PFX "%s: receiver stop failed\n", |
| 911 | sky2->netdev->name); |
| 912 | stopped: |
| 913 | sky2_write32(hw, Q_ADDR(rxq, Q_CSR), BMU_RST_SET | BMU_FIFO_RST); |
| 914 | |
| 915 | /* reset the Rx prefetch unit */ |
| 916 | sky2_write32(hw, Y2_QADDR(rxq, PREF_UNIT_CTRL), PREF_UNIT_RST_SET); |
| 917 | } |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 918 | |
shemminger@osdl.org | d571b69 | 2005-10-26 12:16:09 -0700 | [diff] [blame] | 919 | /* Clean out receive buffer area, assumes receiver hardware stopped */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 920 | static void sky2_rx_clean(struct sky2_port *sky2) |
| 921 | { |
| 922 | unsigned i; |
| 923 | |
| 924 | memset(sky2->rx_le, 0, RX_LE_BYTES); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 925 | for (i = 0; i < sky2->rx_pending; i++) { |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 926 | struct rx_ring_info *re = sky2->rx_ring + i; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 927 | |
| 928 | if (re->skb) { |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 929 | sky2_rx_unmap_skb(sky2->hw->pdev, re); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 930 | kfree_skb(re->skb); |
| 931 | re->skb = NULL; |
| 932 | } |
| 933 | } |
| 934 | } |
| 935 | |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 936 | /* Basic MII support */ |
| 937 | static int sky2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) |
| 938 | { |
| 939 | struct mii_ioctl_data *data = if_mii(ifr); |
| 940 | struct sky2_port *sky2 = netdev_priv(dev); |
| 941 | struct sky2_hw *hw = sky2->hw; |
| 942 | int err = -EOPNOTSUPP; |
| 943 | |
| 944 | if (!netif_running(dev)) |
| 945 | return -ENODEV; /* Phy still in reset */ |
| 946 | |
Stephen Hemminger | d89e134 | 2006-03-20 15:48:20 -0800 | [diff] [blame] | 947 | switch (cmd) { |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 948 | case SIOCGMIIPHY: |
| 949 | data->phy_id = PHY_ADDR_MARV; |
| 950 | |
| 951 | /* fallthru */ |
| 952 | case SIOCGMIIREG: { |
| 953 | u16 val = 0; |
Stephen Hemminger | 91c86df | 2005-12-09 11:34:57 -0800 | [diff] [blame] | 954 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 955 | spin_lock_bh(&sky2->phy_lock); |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 956 | err = __gm_phy_read(hw, sky2->port, data->reg_num & 0x1f, &val); |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 957 | spin_unlock_bh(&sky2->phy_lock); |
Stephen Hemminger | 91c86df | 2005-12-09 11:34:57 -0800 | [diff] [blame] | 958 | |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 959 | data->val_out = val; |
| 960 | break; |
| 961 | } |
| 962 | |
| 963 | case SIOCSMIIREG: |
| 964 | if (!capable(CAP_NET_ADMIN)) |
| 965 | return -EPERM; |
| 966 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 967 | spin_lock_bh(&sky2->phy_lock); |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 968 | err = gm_phy_write(hw, sky2->port, data->reg_num & 0x1f, |
| 969 | data->val_in); |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 970 | spin_unlock_bh(&sky2->phy_lock); |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 971 | break; |
| 972 | } |
| 973 | return err; |
| 974 | } |
| 975 | |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 976 | #ifdef SKY2_VLAN_TAG_USED |
| 977 | static void sky2_vlan_rx_register(struct net_device *dev, struct vlan_group *grp) |
| 978 | { |
| 979 | struct sky2_port *sky2 = netdev_priv(dev); |
| 980 | struct sky2_hw *hw = sky2->hw; |
| 981 | u16 port = sky2->port; |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 982 | |
Stephen Hemminger | 2bb8c26 | 2006-09-26 11:57:42 -0700 | [diff] [blame] | 983 | netif_tx_lock_bh(dev); |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 984 | |
| 985 | sky2_write32(hw, SK_REG(port, RX_GMF_CTRL_T), RX_VLAN_STRIP_ON); |
| 986 | sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), TX_VLAN_TAG_ON); |
| 987 | sky2->vlgrp = grp; |
| 988 | |
Stephen Hemminger | 2bb8c26 | 2006-09-26 11:57:42 -0700 | [diff] [blame] | 989 | netif_tx_unlock_bh(dev); |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 990 | } |
| 991 | |
| 992 | static void sky2_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid) |
| 993 | { |
| 994 | struct sky2_port *sky2 = netdev_priv(dev); |
| 995 | struct sky2_hw *hw = sky2->hw; |
| 996 | u16 port = sky2->port; |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 997 | |
Stephen Hemminger | 2bb8c26 | 2006-09-26 11:57:42 -0700 | [diff] [blame] | 998 | netif_tx_lock_bh(dev); |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 999 | |
| 1000 | sky2_write32(hw, SK_REG(port, RX_GMF_CTRL_T), RX_VLAN_STRIP_OFF); |
| 1001 | sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), TX_VLAN_TAG_OFF); |
| 1002 | if (sky2->vlgrp) |
| 1003 | sky2->vlgrp->vlan_devices[vid] = NULL; |
| 1004 | |
Stephen Hemminger | 2bb8c26 | 2006-09-26 11:57:42 -0700 | [diff] [blame] | 1005 | netif_tx_unlock_bh(dev); |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 1006 | } |
| 1007 | #endif |
| 1008 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1009 | /* |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1010 | * Allocate an skb for receiving. If the MTU is large enough |
| 1011 | * make the skb non-linear with a fragment list of pages. |
| 1012 | * |
Stephen Hemminger | 82788c7 | 2006-01-17 13:43:10 -0800 | [diff] [blame] | 1013 | * It appears the hardware has a bug in the FIFO logic that |
| 1014 | * 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] | 1015 | * is not 64 byte aligned. The buffer returned from netdev_alloc_skb is |
| 1016 | * aligned except if slab debugging is enabled. |
Stephen Hemminger | 82788c7 | 2006-01-17 13:43:10 -0800 | [diff] [blame] | 1017 | */ |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1018 | static struct sk_buff *sky2_rx_alloc(struct sky2_port *sky2) |
Stephen Hemminger | 82788c7 | 2006-01-17 13:43:10 -0800 | [diff] [blame] | 1019 | { |
| 1020 | struct sk_buff *skb; |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1021 | unsigned long p; |
| 1022 | int i; |
Stephen Hemminger | 82788c7 | 2006-01-17 13:43:10 -0800 | [diff] [blame] | 1023 | |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1024 | skb = netdev_alloc_skb(sky2->netdev, sky2->rx_data_size + RX_SKB_ALIGN); |
| 1025 | if (!skb) |
| 1026 | goto nomem; |
| 1027 | |
| 1028 | p = (unsigned long) skb->data; |
| 1029 | skb_reserve(skb, ALIGN(p, RX_SKB_ALIGN) - p); |
| 1030 | |
| 1031 | for (i = 0; i < sky2->rx_nfrags; i++) { |
| 1032 | struct page *page = alloc_page(GFP_ATOMIC); |
| 1033 | |
| 1034 | if (!page) |
| 1035 | goto free_partial; |
| 1036 | skb_fill_page_desc(skb, i, page, 0, PAGE_SIZE); |
Stephen Hemminger | 82788c7 | 2006-01-17 13:43:10 -0800 | [diff] [blame] | 1037 | } |
| 1038 | |
| 1039 | return skb; |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1040 | free_partial: |
| 1041 | kfree_skb(skb); |
| 1042 | nomem: |
| 1043 | return NULL; |
Stephen Hemminger | 82788c7 | 2006-01-17 13:43:10 -0800 | [diff] [blame] | 1044 | } |
| 1045 | |
| 1046 | /* |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1047 | * Allocate and setup receiver buffer pool. |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1048 | * Normal case this ends up creating one list element for skb |
| 1049 | * in the receive ring. Worst case if using large MTU and each |
| 1050 | * allocation falls on a different 64 bit region, that results |
| 1051 | * in 6 list elements per ring entry. |
| 1052 | * One element is used for checksum enable/disable, and one |
| 1053 | * extra to avoid wrap. |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1054 | */ |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1055 | static int sky2_rx_start(struct sky2_port *sky2) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1056 | { |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1057 | struct sky2_hw *hw = sky2->hw; |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1058 | struct rx_ring_info *re; |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1059 | unsigned rxq = rxqaddr[sky2->port]; |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1060 | unsigned i, size, space, thresh; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1061 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1062 | sky2->rx_put = sky2->rx_next = 0; |
shemminger@osdl.org | af4ed7e | 2005-11-30 11:45:21 -0800 | [diff] [blame] | 1063 | sky2_qset(hw, rxq); |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 1064 | |
Stephen Hemminger | c3905bc | 2006-12-04 17:08:19 -0800 | [diff] [blame] | 1065 | /* On PCI express lowering the watermark gives better performance */ |
| 1066 | if (pci_find_capability(hw->pdev, PCI_CAP_ID_EXP)) |
| 1067 | sky2_write32(hw, Q_ADDR(rxq, Q_WM), BMU_WM_PEX); |
| 1068 | |
| 1069 | /* These chips have no ram buffer? |
| 1070 | * MAC Rx RAM Read is controlled by hardware */ |
Stephen Hemminger | 8df9a87 | 2006-12-01 14:29:35 -0800 | [diff] [blame] | 1071 | if (hw->chip_id == CHIP_ID_YUKON_EC_U && |
Stephen Hemminger | c3905bc | 2006-12-04 17:08:19 -0800 | [diff] [blame] | 1072 | (hw->chip_rev == CHIP_REV_YU_EC_U_A1 |
| 1073 | || hw->chip_rev == CHIP_REV_YU_EC_U_B0)) |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 1074 | sky2_write32(hw, Q_ADDR(rxq, Q_F), F_M_RX_RAM_DIS); |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 1075 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1076 | sky2_prefetch_init(hw, rxq, sky2->rx_le_map, RX_LE_SIZE - 1); |
| 1077 | |
| 1078 | rx_set_checksum(sky2); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1079 | |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1080 | /* Space needed for frame data + headers rounded up */ |
| 1081 | size = ALIGN(sky2->netdev->mtu + ETH_HLEN + VLAN_HLEN, 8) |
| 1082 | + 8; |
| 1083 | |
| 1084 | /* Stopping point for hardware truncation */ |
| 1085 | thresh = (size - 8) / sizeof(u32); |
| 1086 | |
| 1087 | /* Account for overhead of skb - to avoid order > 0 allocation */ |
| 1088 | space = SKB_DATA_ALIGN(size) + NET_SKB_PAD |
| 1089 | + sizeof(struct skb_shared_info); |
| 1090 | |
| 1091 | sky2->rx_nfrags = space >> PAGE_SHIFT; |
| 1092 | BUG_ON(sky2->rx_nfrags > ARRAY_SIZE(re->frag_addr)); |
| 1093 | |
| 1094 | if (sky2->rx_nfrags != 0) { |
| 1095 | /* Compute residue after pages */ |
| 1096 | space = sky2->rx_nfrags << PAGE_SHIFT; |
| 1097 | |
| 1098 | if (space < size) |
| 1099 | size -= space; |
| 1100 | else |
| 1101 | size = 0; |
| 1102 | |
| 1103 | /* Optimize to handle small packets and headers */ |
| 1104 | if (size < copybreak) |
| 1105 | size = copybreak; |
| 1106 | if (size < ETH_HLEN) |
| 1107 | size = ETH_HLEN; |
| 1108 | } |
| 1109 | sky2->rx_data_size = size; |
| 1110 | |
| 1111 | /* Fill Rx ring */ |
| 1112 | for (i = 0; i < sky2->rx_pending; i++) { |
| 1113 | re = sky2->rx_ring + i; |
| 1114 | |
| 1115 | re->skb = sky2_rx_alloc(sky2); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1116 | if (!re->skb) |
| 1117 | goto nomem; |
| 1118 | |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1119 | sky2_rx_map_skb(hw->pdev, re, sky2->rx_data_size); |
| 1120 | sky2_rx_submit(sky2, re); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1121 | } |
| 1122 | |
Stephen Hemminger | a1433ac | 2006-05-22 12:03:42 -0700 | [diff] [blame] | 1123 | /* |
| 1124 | * The receiver hangs if it receives frames larger than the |
| 1125 | * packet buffer. As a workaround, truncate oversize frames, but |
| 1126 | * the register is limited to 9 bits, so if you do frames > 2052 |
| 1127 | * you better get the MTU right! |
| 1128 | */ |
Stephen Hemminger | a1433ac | 2006-05-22 12:03:42 -0700 | [diff] [blame] | 1129 | if (thresh > 0x1ff) |
| 1130 | sky2_write32(hw, SK_REG(sky2->port, RX_GMF_CTRL_T), RX_TRUNC_OFF); |
| 1131 | else { |
| 1132 | sky2_write16(hw, SK_REG(sky2->port, RX_GMF_TR_THR), thresh); |
| 1133 | sky2_write32(hw, SK_REG(sky2->port, RX_GMF_CTRL_T), RX_TRUNC_ON); |
| 1134 | } |
| 1135 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1136 | /* Tell chip about available buffers */ |
| 1137 | 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] | 1138 | return 0; |
| 1139 | nomem: |
| 1140 | sky2_rx_clean(sky2); |
| 1141 | return -ENOMEM; |
| 1142 | } |
| 1143 | |
| 1144 | /* Bring up network interface. */ |
| 1145 | static int sky2_up(struct net_device *dev) |
| 1146 | { |
| 1147 | struct sky2_port *sky2 = netdev_priv(dev); |
| 1148 | struct sky2_hw *hw = sky2->hw; |
| 1149 | unsigned port = sky2->port; |
Stephen Hemminger | 6771290 | 2006-12-04 15:53:45 -0800 | [diff] [blame] | 1150 | u32 ramsize, imask; |
Stephen Hemminger | ee7abb0 | 2006-05-18 11:16:21 -0700 | [diff] [blame] | 1151 | int cap, err = -ENOMEM; |
Stephen Hemminger | 843a46f | 2006-05-11 15:07:28 -0700 | [diff] [blame] | 1152 | struct net_device *otherdev = hw->dev[sky2->port^1]; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1153 | |
Stephen Hemminger | ee7abb0 | 2006-05-18 11:16:21 -0700 | [diff] [blame] | 1154 | /* |
| 1155 | * On dual port PCI-X card, there is an problem where status |
| 1156 | * can be received out of order due to split transactions |
Stephen Hemminger | 843a46f | 2006-05-11 15:07:28 -0700 | [diff] [blame] | 1157 | */ |
Stephen Hemminger | ee7abb0 | 2006-05-18 11:16:21 -0700 | [diff] [blame] | 1158 | if (otherdev && netif_running(otherdev) && |
| 1159 | (cap = pci_find_capability(hw->pdev, PCI_CAP_ID_PCIX))) { |
| 1160 | struct sky2_port *osky2 = netdev_priv(otherdev); |
| 1161 | u16 cmd; |
Stephen Hemminger | 843a46f | 2006-05-11 15:07:28 -0700 | [diff] [blame] | 1162 | |
Stephen Hemminger | ee7abb0 | 2006-05-18 11:16:21 -0700 | [diff] [blame] | 1163 | cmd = sky2_pci_read16(hw, cap + PCI_X_CMD); |
| 1164 | cmd &= ~PCI_X_CMD_MAX_SPLIT; |
| 1165 | sky2_pci_write16(hw, cap + PCI_X_CMD, cmd); |
| 1166 | |
| 1167 | sky2->rx_csum = 0; |
| 1168 | osky2->rx_csum = 0; |
| 1169 | } |
| 1170 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1171 | if (netif_msg_ifup(sky2)) |
| 1172 | printk(KERN_INFO PFX "%s: enabling interface\n", dev->name); |
| 1173 | |
| 1174 | /* must be power of 2 */ |
| 1175 | sky2->tx_le = pci_alloc_consistent(hw->pdev, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1176 | TX_RING_SIZE * |
| 1177 | sizeof(struct sky2_tx_le), |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1178 | &sky2->tx_le_map); |
| 1179 | if (!sky2->tx_le) |
| 1180 | goto err_out; |
| 1181 | |
Stephen Hemminger | 6cdbbdf | 2005-12-09 11:35:01 -0800 | [diff] [blame] | 1182 | sky2->tx_ring = kcalloc(TX_RING_SIZE, sizeof(struct tx_ring_info), |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1183 | GFP_KERNEL); |
| 1184 | if (!sky2->tx_ring) |
| 1185 | goto err_out; |
| 1186 | sky2->tx_prod = sky2->tx_cons = 0; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1187 | |
| 1188 | sky2->rx_le = pci_alloc_consistent(hw->pdev, RX_LE_BYTES, |
| 1189 | &sky2->rx_le_map); |
| 1190 | if (!sky2->rx_le) |
| 1191 | goto err_out; |
| 1192 | memset(sky2->rx_le, 0, RX_LE_BYTES); |
| 1193 | |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1194 | sky2->rx_ring = kcalloc(sky2->rx_pending, sizeof(struct rx_ring_info), |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1195 | GFP_KERNEL); |
| 1196 | if (!sky2->rx_ring) |
| 1197 | goto err_out; |
| 1198 | |
shemminger@osdl.org | d3bcfbe | 2006-08-28 10:00:51 -0700 | [diff] [blame] | 1199 | sky2_phy_power(hw, port, 1); |
| 1200 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1201 | sky2_mac_init(hw, port); |
| 1202 | |
Stephen Hemminger | 6771290 | 2006-12-04 15:53:45 -0800 | [diff] [blame] | 1203 | /* Register is number of 4K blocks on internal RAM buffer. */ |
| 1204 | ramsize = sky2_read8(hw, B2_E_0) * 4; |
| 1205 | printk(KERN_INFO PFX "%s: ram buffer %dK\n", dev->name, ramsize); |
Stephen Hemminger | 470ea7e | 2006-10-20 17:06:11 -0700 | [diff] [blame] | 1206 | |
Stephen Hemminger | 6771290 | 2006-12-04 15:53:45 -0800 | [diff] [blame] | 1207 | if (ramsize > 0) { |
| 1208 | u32 rxspace; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1209 | |
Stephen Hemminger | 6771290 | 2006-12-04 15:53:45 -0800 | [diff] [blame] | 1210 | if (ramsize < 16) |
| 1211 | rxspace = ramsize / 2; |
| 1212 | else |
| 1213 | rxspace = 8 + (2*(ramsize - 16))/3; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1214 | |
Stephen Hemminger | 6771290 | 2006-12-04 15:53:45 -0800 | [diff] [blame] | 1215 | sky2_ramset(hw, rxqaddr[port], 0, rxspace); |
| 1216 | sky2_ramset(hw, txqaddr[port], rxspace, ramsize - rxspace); |
| 1217 | |
| 1218 | /* Make sure SyncQ is disabled */ |
| 1219 | sky2_write8(hw, RB_ADDR(port == 0 ? Q_XS1 : Q_XS2, RB_CTRL), |
| 1220 | RB_RST_SET); |
| 1221 | } |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1222 | |
shemminger@osdl.org | af4ed7e | 2005-11-30 11:45:21 -0800 | [diff] [blame] | 1223 | sky2_qset(hw, txqaddr[port]); |
shemminger@osdl.org | 5a5b1ea | 2005-11-30 11:45:15 -0800 | [diff] [blame] | 1224 | |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 1225 | /* Set almost empty threshold */ |
Stephen Hemminger | c2716fb | 2006-09-26 11:57:39 -0700 | [diff] [blame] | 1226 | if (hw->chip_id == CHIP_ID_YUKON_EC_U |
| 1227 | && hw->chip_rev == CHIP_REV_YU_EC_U_A0) |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 1228 | sky2_write16(hw, Q_ADDR(txqaddr[port], Q_AL), 0x1a0); |
shemminger@osdl.org | 5a5b1ea | 2005-11-30 11:45:15 -0800 | [diff] [blame] | 1229 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1230 | sky2_prefetch_init(hw, txqaddr[port], sky2->tx_le_map, |
| 1231 | TX_RING_SIZE - 1); |
| 1232 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1233 | err = sky2_rx_start(sky2); |
| 1234 | if (err) |
| 1235 | goto err_out; |
| 1236 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1237 | /* Enable interrupts from phy/mac for port */ |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1238 | imask = sky2_read32(hw, B0_IMSK); |
Stephen Hemminger | f4ea431 | 2006-05-09 14:46:54 -0700 | [diff] [blame] | 1239 | imask |= portirq_msk[port]; |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1240 | sky2_write32(hw, B0_IMSK, imask); |
| 1241 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1242 | return 0; |
| 1243 | |
| 1244 | err_out: |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 1245 | if (sky2->rx_le) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1246 | pci_free_consistent(hw->pdev, RX_LE_BYTES, |
| 1247 | sky2->rx_le, sky2->rx_le_map); |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 1248 | sky2->rx_le = NULL; |
| 1249 | } |
| 1250 | if (sky2->tx_le) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1251 | pci_free_consistent(hw->pdev, |
| 1252 | TX_RING_SIZE * sizeof(struct sky2_tx_le), |
| 1253 | sky2->tx_le, sky2->tx_le_map); |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 1254 | sky2->tx_le = NULL; |
| 1255 | } |
| 1256 | kfree(sky2->tx_ring); |
| 1257 | kfree(sky2->rx_ring); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1258 | |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 1259 | sky2->tx_ring = NULL; |
| 1260 | sky2->rx_ring = NULL; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1261 | return err; |
| 1262 | } |
| 1263 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1264 | /* Modular subtraction in ring */ |
| 1265 | static inline int tx_dist(unsigned tail, unsigned head) |
| 1266 | { |
Stephen Hemminger | cb5d954 | 2006-05-08 15:11:29 -0700 | [diff] [blame] | 1267 | return (head - tail) & (TX_RING_SIZE - 1); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1268 | } |
| 1269 | |
| 1270 | /* Number of list elements available for next tx */ |
| 1271 | static inline int tx_avail(const struct sky2_port *sky2) |
| 1272 | { |
| 1273 | return sky2->tx_pending - tx_dist(sky2->tx_cons, sky2->tx_prod); |
| 1274 | } |
| 1275 | |
| 1276 | /* Estimate of number of transmit list elements required */ |
Stephen Hemminger | 28bd181 | 2006-01-17 13:43:19 -0800 | [diff] [blame] | 1277 | static unsigned tx_le_req(const struct sk_buff *skb) |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1278 | { |
| 1279 | unsigned count; |
| 1280 | |
| 1281 | count = sizeof(dma_addr_t) / sizeof(u32); |
| 1282 | count += skb_shinfo(skb)->nr_frags * count; |
| 1283 | |
Herbert Xu | 89114af | 2006-07-08 13:34:32 -0700 | [diff] [blame] | 1284 | if (skb_is_gso(skb)) |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1285 | ++count; |
| 1286 | |
Patrick McHardy | 84fa793 | 2006-08-29 16:44:56 -0700 | [diff] [blame] | 1287 | if (skb->ip_summed == CHECKSUM_PARTIAL) |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1288 | ++count; |
| 1289 | |
| 1290 | return count; |
| 1291 | } |
| 1292 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1293 | /* |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1294 | * Put one packet in ring for transmit. |
| 1295 | * A single packet can generate multiple list elements, and |
| 1296 | * the number of ring elements will probably be less than the number |
| 1297 | * of list elements used. |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1298 | */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1299 | static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev) |
| 1300 | { |
| 1301 | struct sky2_port *sky2 = netdev_priv(dev); |
| 1302 | struct sky2_hw *hw = sky2->hw; |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 1303 | struct sky2_tx_le *le = NULL; |
Stephen Hemminger | 6cdbbdf | 2005-12-09 11:35:01 -0800 | [diff] [blame] | 1304 | struct tx_ring_info *re; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1305 | unsigned i, len; |
| 1306 | dma_addr_t mapping; |
| 1307 | u32 addr64; |
| 1308 | u16 mss; |
| 1309 | u8 ctrl; |
| 1310 | |
Stephen Hemminger | 2bb8c26 | 2006-09-26 11:57:42 -0700 | [diff] [blame] | 1311 | if (unlikely(tx_avail(sky2) < tx_le_req(skb))) |
| 1312 | return NETDEV_TX_BUSY; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1313 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1314 | if (unlikely(netif_msg_tx_queued(sky2))) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1315 | printk(KERN_DEBUG "%s: tx queued, slot %u, len %d\n", |
| 1316 | dev->name, sky2->tx_prod, skb->len); |
| 1317 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1318 | len = skb_headlen(skb); |
| 1319 | 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] | 1320 | addr64 = high32(mapping); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1321 | |
shemminger@osdl.org | a018e33 | 2005-11-30 11:45:16 -0800 | [diff] [blame] | 1322 | /* Send high bits if changed or crosses boundary */ |
| 1323 | if (addr64 != sky2->tx_addr64 || high32(mapping + len) != sky2->tx_addr64) { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1324 | le = get_tx_le(sky2); |
Stephen Hemminger | f65b138 | 2006-09-06 12:45:02 -0700 | [diff] [blame] | 1325 | le->addr = cpu_to_le32(addr64); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1326 | le->opcode = OP_ADDR64 | HW_OWNER; |
shemminger@osdl.org | a018e33 | 2005-11-30 11:45:16 -0800 | [diff] [blame] | 1327 | sky2->tx_addr64 = high32(mapping + len); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1328 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1329 | |
| 1330 | /* Check for TCP Segmentation Offload */ |
Herbert Xu | 7967168 | 2006-06-22 02:40:14 -0700 | [diff] [blame] | 1331 | mss = skb_shinfo(skb)->gso_size; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1332 | if (mss != 0) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1333 | mss += ((skb->h.th->doff - 5) * 4); /* TCP options */ |
| 1334 | mss += (skb->nh.iph->ihl * 4) + sizeof(struct tcphdr); |
| 1335 | mss += ETH_HLEN; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1336 | |
shemminger@osdl.org | e07560c | 2006-08-28 10:00:49 -0700 | [diff] [blame] | 1337 | if (mss != sky2->tx_last_mss) { |
| 1338 | le = get_tx_le(sky2); |
Stephen Hemminger | f65b138 | 2006-09-06 12:45:02 -0700 | [diff] [blame] | 1339 | le->addr = cpu_to_le32(mss); |
shemminger@osdl.org | e07560c | 2006-08-28 10:00:49 -0700 | [diff] [blame] | 1340 | le->opcode = OP_LRGLEN | HW_OWNER; |
shemminger@osdl.org | e07560c | 2006-08-28 10:00:49 -0700 | [diff] [blame] | 1341 | sky2->tx_last_mss = mss; |
| 1342 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1343 | } |
| 1344 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1345 | ctrl = 0; |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 1346 | #ifdef SKY2_VLAN_TAG_USED |
| 1347 | /* Add VLAN tag, can piggyback on LRGLEN or ADDR64 */ |
| 1348 | if (sky2->vlgrp && vlan_tx_tag_present(skb)) { |
| 1349 | if (!le) { |
| 1350 | le = get_tx_le(sky2); |
Stephen Hemminger | f65b138 | 2006-09-06 12:45:02 -0700 | [diff] [blame] | 1351 | le->addr = 0; |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 1352 | le->opcode = OP_VLAN|HW_OWNER; |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 1353 | } else |
| 1354 | le->opcode |= OP_VLAN; |
| 1355 | le->length = cpu_to_be16(vlan_tx_tag_get(skb)); |
| 1356 | ctrl |= INS_VLAN; |
| 1357 | } |
| 1358 | #endif |
| 1359 | |
| 1360 | /* Handle TCP checksum offload */ |
Patrick McHardy | 84fa793 | 2006-08-29 16:44:56 -0700 | [diff] [blame] | 1361 | if (skb->ip_summed == CHECKSUM_PARTIAL) { |
Stephen Hemminger | f65b138 | 2006-09-06 12:45:02 -0700 | [diff] [blame] | 1362 | unsigned offset = skb->h.raw - skb->data; |
| 1363 | u32 tcpsum; |
| 1364 | |
| 1365 | tcpsum = offset << 16; /* sum start */ |
Al Viro | ff1dcad | 2006-11-20 18:07:29 -0800 | [diff] [blame] | 1366 | tcpsum |= offset + skb->csum_offset; /* sum write */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1367 | |
| 1368 | ctrl = CALSUM | WR_SUM | INIT_SUM | LOCK_SUM; |
| 1369 | if (skb->nh.iph->protocol == IPPROTO_UDP) |
| 1370 | ctrl |= UDPTCP; |
| 1371 | |
Stephen Hemminger | f65b138 | 2006-09-06 12:45:02 -0700 | [diff] [blame] | 1372 | if (tcpsum != sky2->tx_tcpsum) { |
| 1373 | sky2->tx_tcpsum = tcpsum; |
shemminger@osdl.org | 1d17933 | 2006-08-28 10:00:50 -0700 | [diff] [blame] | 1374 | |
| 1375 | le = get_tx_le(sky2); |
Stephen Hemminger | f65b138 | 2006-09-06 12:45:02 -0700 | [diff] [blame] | 1376 | le->addr = cpu_to_le32(tcpsum); |
shemminger@osdl.org | 1d17933 | 2006-08-28 10:00:50 -0700 | [diff] [blame] | 1377 | le->length = 0; /* initial checksum value */ |
| 1378 | le->ctrl = 1; /* one packet */ |
| 1379 | le->opcode = OP_TCPLISW | HW_OWNER; |
| 1380 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1381 | } |
| 1382 | |
| 1383 | le = get_tx_le(sky2); |
Stephen Hemminger | f65b138 | 2006-09-06 12:45:02 -0700 | [diff] [blame] | 1384 | le->addr = cpu_to_le32((u32) mapping); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1385 | le->length = cpu_to_le16(len); |
| 1386 | le->ctrl = ctrl; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1387 | le->opcode = mss ? (OP_LARGESEND | HW_OWNER) : (OP_PACKET | HW_OWNER); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1388 | |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1389 | re = tx_le_re(sky2, le); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1390 | re->skb = skb; |
Stephen Hemminger | 6cdbbdf | 2005-12-09 11:35:01 -0800 | [diff] [blame] | 1391 | pci_unmap_addr_set(re, mapaddr, mapping); |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1392 | pci_unmap_len_set(re, maplen, len); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1393 | |
| 1394 | for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1395 | const skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1396 | |
| 1397 | mapping = pci_map_page(hw->pdev, frag->page, frag->page_offset, |
| 1398 | frag->size, PCI_DMA_TODEVICE); |
Stephen Hemminger | a036119 | 2006-01-17 13:43:16 -0800 | [diff] [blame] | 1399 | addr64 = high32(mapping); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1400 | if (addr64 != sky2->tx_addr64) { |
| 1401 | le = get_tx_le(sky2); |
Stephen Hemminger | f65b138 | 2006-09-06 12:45:02 -0700 | [diff] [blame] | 1402 | le->addr = cpu_to_le32(addr64); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1403 | le->ctrl = 0; |
| 1404 | le->opcode = OP_ADDR64 | HW_OWNER; |
| 1405 | sky2->tx_addr64 = addr64; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1406 | } |
| 1407 | |
| 1408 | le = get_tx_le(sky2); |
Stephen Hemminger | f65b138 | 2006-09-06 12:45:02 -0700 | [diff] [blame] | 1409 | le->addr = cpu_to_le32((u32) mapping); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1410 | le->length = cpu_to_le16(frag->size); |
| 1411 | le->ctrl = ctrl; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1412 | le->opcode = OP_BUFFER | HW_OWNER; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1413 | |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1414 | re = tx_le_re(sky2, le); |
| 1415 | re->skb = skb; |
| 1416 | pci_unmap_addr_set(re, mapaddr, mapping); |
| 1417 | pci_unmap_len_set(re, maplen, frag->size); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1418 | } |
Stephen Hemminger | 6cdbbdf | 2005-12-09 11:35:01 -0800 | [diff] [blame] | 1419 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1420 | le->ctrl |= EOP; |
| 1421 | |
shemminger@osdl.org | 97bda70 | 2006-08-28 10:00:47 -0700 | [diff] [blame] | 1422 | if (tx_avail(sky2) <= MAX_SKB_TX_LE) |
| 1423 | netif_stop_queue(dev); |
Stephen Hemminger | b19666d | 2006-03-07 11:06:36 -0800 | [diff] [blame] | 1424 | |
Stephen Hemminger | 290d4de | 2006-03-20 15:48:15 -0800 | [diff] [blame] | 1425 | sky2_put_idx(hw, txqaddr[sky2->port], sky2->tx_prod); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1426 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1427 | dev->trans_start = jiffies; |
| 1428 | return NETDEV_TX_OK; |
| 1429 | } |
| 1430 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1431 | /* |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1432 | * Free ring elements from starting at tx_cons until "done" |
| 1433 | * |
| 1434 | * NB: the hardware will tell us about partial completion of multi-part |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1435 | * buffers so make sure not to free skb to early. |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1436 | */ |
shemminger@osdl.org | d11c13e | 2005-09-27 15:02:56 -0700 | [diff] [blame] | 1437 | static void sky2_tx_complete(struct sky2_port *sky2, u16 done) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1438 | { |
shemminger@osdl.org | d11c13e | 2005-09-27 15:02:56 -0700 | [diff] [blame] | 1439 | struct net_device *dev = sky2->netdev; |
Stephen Hemminger | af2a58a | 2005-12-09 11:35:04 -0800 | [diff] [blame] | 1440 | struct pci_dev *pdev = sky2->hw->pdev; |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1441 | unsigned idx; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1442 | |
Stephen Hemminger | 0e3ff6a | 2005-12-09 11:35:02 -0800 | [diff] [blame] | 1443 | BUG_ON(done >= TX_RING_SIZE); |
shemminger@osdl.org | 2224795 | 2005-11-30 11:45:19 -0800 | [diff] [blame] | 1444 | |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1445 | for (idx = sky2->tx_cons; idx != done; |
| 1446 | idx = RING_NEXT(idx, TX_RING_SIZE)) { |
| 1447 | struct sky2_tx_le *le = sky2->tx_le + idx; |
| 1448 | struct tx_ring_info *re = sky2->tx_ring + idx; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1449 | |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1450 | switch(le->opcode & ~HW_OWNER) { |
| 1451 | case OP_LARGESEND: |
| 1452 | case OP_PACKET: |
| 1453 | pci_unmap_single(pdev, |
| 1454 | pci_unmap_addr(re, mapaddr), |
| 1455 | pci_unmap_len(re, maplen), |
| 1456 | PCI_DMA_TODEVICE); |
Stephen Hemminger | af2a58a | 2005-12-09 11:35:04 -0800 | [diff] [blame] | 1457 | break; |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1458 | case OP_BUFFER: |
| 1459 | pci_unmap_page(pdev, pci_unmap_addr(re, mapaddr), |
| 1460 | pci_unmap_len(re, maplen), |
Stephen Hemminger | 734d186 | 2005-12-09 11:35:00 -0800 | [diff] [blame] | 1461 | PCI_DMA_TODEVICE); |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1462 | break; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1463 | } |
| 1464 | |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1465 | if (le->ctrl & EOP) { |
| 1466 | if (unlikely(netif_msg_tx_done(sky2))) |
| 1467 | printk(KERN_DEBUG "%s: tx done %u\n", |
| 1468 | dev->name, idx); |
Stephen Hemminger | 794b2bd | 2006-12-01 14:29:36 -0800 | [diff] [blame] | 1469 | dev_kfree_skb_any(re->skb); |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1470 | } |
| 1471 | |
| 1472 | le->opcode = 0; /* paranoia */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1473 | } |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1474 | |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1475 | sky2->tx_cons = idx; |
Stephen Hemminger | 22e1170 | 2006-07-12 15:23:48 -0700 | [diff] [blame] | 1476 | if (tx_avail(sky2) > MAX_SKB_TX_LE + 4) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1477 | netif_wake_queue(dev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1478 | } |
| 1479 | |
| 1480 | /* Cleanup all untransmitted buffers, assume transmitter not running */ |
Stephen Hemminger | 2bb8c26 | 2006-09-26 11:57:42 -0700 | [diff] [blame] | 1481 | static void sky2_tx_clean(struct net_device *dev) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1482 | { |
Stephen Hemminger | 2bb8c26 | 2006-09-26 11:57:42 -0700 | [diff] [blame] | 1483 | struct sky2_port *sky2 = netdev_priv(dev); |
| 1484 | |
| 1485 | netif_tx_lock_bh(dev); |
shemminger@osdl.org | d11c13e | 2005-09-27 15:02:56 -0700 | [diff] [blame] | 1486 | sky2_tx_complete(sky2, sky2->tx_prod); |
Stephen Hemminger | 2bb8c26 | 2006-09-26 11:57:42 -0700 | [diff] [blame] | 1487 | netif_tx_unlock_bh(dev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1488 | } |
| 1489 | |
| 1490 | /* Network shutdown */ |
| 1491 | static int sky2_down(struct net_device *dev) |
| 1492 | { |
| 1493 | struct sky2_port *sky2 = netdev_priv(dev); |
| 1494 | struct sky2_hw *hw = sky2->hw; |
| 1495 | unsigned port = sky2->port; |
| 1496 | u16 ctrl; |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1497 | u32 imask; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1498 | |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 1499 | /* Never really got started! */ |
| 1500 | if (!sky2->tx_le) |
| 1501 | return 0; |
| 1502 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1503 | if (netif_msg_ifdown(sky2)) |
| 1504 | printk(KERN_INFO PFX "%s: disabling interface\n", dev->name); |
| 1505 | |
shemminger@osdl.org | 018d1c6 | 2005-11-30 11:45:18 -0800 | [diff] [blame] | 1506 | /* Stop more packets from being queued */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1507 | netif_stop_queue(dev); |
| 1508 | |
Stephen Hemminger | ebc646f | 2006-10-17 10:23:56 -0700 | [diff] [blame] | 1509 | /* Disable port IRQ */ |
| 1510 | imask = sky2_read32(hw, B0_IMSK); |
| 1511 | imask &= ~portirq_msk[port]; |
| 1512 | sky2_write32(hw, B0_IMSK, imask); |
| 1513 | |
shemminger@osdl.org | d3bcfbe | 2006-08-28 10:00:51 -0700 | [diff] [blame] | 1514 | sky2_gmac_reset(hw, port); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1515 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1516 | /* Stop transmitter */ |
| 1517 | sky2_write32(hw, Q_ADDR(txqaddr[port], Q_CSR), BMU_STOP); |
| 1518 | sky2_read32(hw, Q_ADDR(txqaddr[port], Q_CSR)); |
| 1519 | |
| 1520 | sky2_write32(hw, RB_ADDR(txqaddr[port], RB_CTRL), |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1521 | RB_RST_SET | RB_DIS_OP_MD); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1522 | |
Stephen Hemminger | c2716fb | 2006-09-26 11:57:39 -0700 | [diff] [blame] | 1523 | /* WA for dev. #4.209 */ |
| 1524 | if (hw->chip_id == CHIP_ID_YUKON_EC_U |
Stephen Hemminger | 8df9a87 | 2006-12-01 14:29:35 -0800 | [diff] [blame] | 1525 | && (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] | 1526 | sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), |
| 1527 | sky2->speed != SPEED_1000 ? |
| 1528 | TX_STFW_ENA : TX_STFW_DIS); |
| 1529 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1530 | ctrl = gma_read16(hw, port, GM_GP_CTRL); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1531 | ctrl &= ~(GM_GPCR_TX_ENA | GM_GPCR_RX_ENA); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1532 | gma_write16(hw, port, GM_GP_CTRL, ctrl); |
| 1533 | |
| 1534 | sky2_write8(hw, SK_REG(port, GPHY_CTRL), GPC_RST_SET); |
| 1535 | |
| 1536 | /* Workaround shared GMAC reset */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1537 | if (!(hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev == 0 |
| 1538 | && port == 0 && hw->dev[1] && netif_running(hw->dev[1]))) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1539 | sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_RST_SET); |
| 1540 | |
| 1541 | /* Disable Force Sync bit and Enable Alloc bit */ |
| 1542 | sky2_write8(hw, SK_REG(port, TXA_CTRL), |
| 1543 | TXA_DIS_FSYNC | TXA_DIS_ALLOC | TXA_STOP_RC); |
| 1544 | |
| 1545 | /* Stop Interval Timer and Limit Counter of Tx Arbiter */ |
| 1546 | sky2_write32(hw, SK_REG(port, TXA_ITI_INI), 0L); |
| 1547 | sky2_write32(hw, SK_REG(port, TXA_LIM_INI), 0L); |
| 1548 | |
| 1549 | /* Reset the PCI FIFO of the async Tx queue */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1550 | sky2_write32(hw, Q_ADDR(txqaddr[port], Q_CSR), |
| 1551 | BMU_RST_SET | BMU_FIFO_RST); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1552 | |
| 1553 | /* Reset the Tx prefetch units */ |
| 1554 | sky2_write32(hw, Y2_QADDR(txqaddr[port], PREF_UNIT_CTRL), |
| 1555 | PREF_UNIT_RST_SET); |
| 1556 | |
| 1557 | sky2_write32(hw, RB_ADDR(txqaddr[port], RB_CTRL), RB_RST_SET); |
| 1558 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1559 | sky2_rx_stop(sky2); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1560 | |
| 1561 | sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_RST_SET); |
| 1562 | sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_RST_SET); |
| 1563 | |
shemminger@osdl.org | d3bcfbe | 2006-08-28 10:00:51 -0700 | [diff] [blame] | 1564 | sky2_phy_power(hw, port, 0); |
| 1565 | |
shemminger@osdl.org | d571b69 | 2005-10-26 12:16:09 -0700 | [diff] [blame] | 1566 | /* turn off LED's */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1567 | sky2_write16(hw, B0_Y2LED, LED_STAT_OFF); |
| 1568 | |
shemminger@osdl.org | 018d1c6 | 2005-11-30 11:45:18 -0800 | [diff] [blame] | 1569 | synchronize_irq(hw->pdev->irq); |
| 1570 | |
Stephen Hemminger | 2bb8c26 | 2006-09-26 11:57:42 -0700 | [diff] [blame] | 1571 | sky2_tx_clean(dev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1572 | sky2_rx_clean(sky2); |
| 1573 | |
| 1574 | pci_free_consistent(hw->pdev, RX_LE_BYTES, |
| 1575 | sky2->rx_le, sky2->rx_le_map); |
| 1576 | kfree(sky2->rx_ring); |
| 1577 | |
| 1578 | pci_free_consistent(hw->pdev, |
| 1579 | TX_RING_SIZE * sizeof(struct sky2_tx_le), |
| 1580 | sky2->tx_le, sky2->tx_le_map); |
| 1581 | kfree(sky2->tx_ring); |
| 1582 | |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 1583 | sky2->tx_le = NULL; |
| 1584 | sky2->rx_le = NULL; |
| 1585 | |
| 1586 | sky2->rx_ring = NULL; |
| 1587 | sky2->tx_ring = NULL; |
| 1588 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1589 | return 0; |
| 1590 | } |
| 1591 | |
| 1592 | static u16 sky2_phy_speed(const struct sky2_hw *hw, u16 aux) |
| 1593 | { |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 1594 | if (!sky2_is_copper(hw)) |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1595 | return SPEED_1000; |
| 1596 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1597 | if (hw->chip_id == CHIP_ID_YUKON_FE) |
| 1598 | return (aux & PHY_M_PS_SPEED_100) ? SPEED_100 : SPEED_10; |
| 1599 | |
| 1600 | switch (aux & PHY_M_PS_SPEED_MSK) { |
| 1601 | case PHY_M_PS_SPEED_1000: |
| 1602 | return SPEED_1000; |
| 1603 | case PHY_M_PS_SPEED_100: |
| 1604 | return SPEED_100; |
| 1605 | default: |
| 1606 | return SPEED_10; |
| 1607 | } |
| 1608 | } |
| 1609 | |
| 1610 | static void sky2_link_up(struct sky2_port *sky2) |
| 1611 | { |
| 1612 | struct sky2_hw *hw = sky2->hw; |
| 1613 | unsigned port = sky2->port; |
| 1614 | u16 reg; |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 1615 | static const char *fc_name[] = { |
| 1616 | [FC_NONE] = "none", |
| 1617 | [FC_TX] = "tx", |
| 1618 | [FC_RX] = "rx", |
| 1619 | [FC_BOTH] = "both", |
| 1620 | }; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1621 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1622 | /* enable Rx/Tx */ |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 1623 | reg = gma_read16(hw, port, GM_GP_CTRL); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1624 | reg |= GM_GPCR_RX_ENA | GM_GPCR_TX_ENA; |
| 1625 | gma_write16(hw, port, GM_GP_CTRL, reg); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1626 | |
| 1627 | gm_phy_write(hw, port, PHY_MARV_INT_MASK, PHY_M_DEF_MSK); |
| 1628 | |
| 1629 | netif_carrier_on(sky2->netdev); |
| 1630 | netif_wake_queue(sky2->netdev); |
| 1631 | |
| 1632 | /* Turn on link LED */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1633 | sky2_write8(hw, SK_REG(port, LNK_LED_REG), |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1634 | LINKLED_ON | LINKLED_BLINK_OFF | LINKLED_LINKSYNC_OFF); |
| 1635 | |
Stephen Hemminger | ed6d32c | 2006-05-08 15:11:33 -0700 | [diff] [blame] | 1636 | 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] | 1637 | u16 pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); |
Stephen Hemminger | ed6d32c | 2006-05-08 15:11:33 -0700 | [diff] [blame] | 1638 | u16 led = PHY_M_LEDC_LOS_CTRL(1); /* link active */ |
| 1639 | |
| 1640 | switch(sky2->speed) { |
| 1641 | case SPEED_10: |
| 1642 | led |= PHY_M_LEDC_INIT_CTRL(7); |
| 1643 | break; |
| 1644 | |
| 1645 | case SPEED_100: |
| 1646 | led |= PHY_M_LEDC_STA1_CTRL(7); |
| 1647 | break; |
| 1648 | |
| 1649 | case SPEED_1000: |
| 1650 | led |= PHY_M_LEDC_STA0_CTRL(7); |
| 1651 | break; |
| 1652 | } |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1653 | |
| 1654 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 3); |
Stephen Hemminger | ed6d32c | 2006-05-08 15:11:33 -0700 | [diff] [blame] | 1655 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, led); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1656 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg); |
| 1657 | } |
| 1658 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1659 | if (netif_msg_link(sky2)) |
| 1660 | printk(KERN_INFO PFX |
shemminger@osdl.org | d571b69 | 2005-10-26 12:16:09 -0700 | [diff] [blame] | 1661 | "%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] | 1662 | sky2->netdev->name, sky2->speed, |
| 1663 | sky2->duplex == DUPLEX_FULL ? "full" : "half", |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 1664 | fc_name[sky2->flow_status]); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1665 | } |
| 1666 | |
| 1667 | static void sky2_link_down(struct sky2_port *sky2) |
| 1668 | { |
| 1669 | struct sky2_hw *hw = sky2->hw; |
| 1670 | unsigned port = sky2->port; |
| 1671 | u16 reg; |
| 1672 | |
| 1673 | gm_phy_write(hw, port, PHY_MARV_INT_MASK, 0); |
| 1674 | |
| 1675 | reg = gma_read16(hw, port, GM_GP_CTRL); |
| 1676 | reg &= ~(GM_GPCR_RX_ENA | GM_GPCR_TX_ENA); |
| 1677 | gma_write16(hw, port, GM_GP_CTRL, reg); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1678 | |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 1679 | if (sky2->flow_status == FC_RX) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1680 | /* restore Asymmetric Pause bit */ |
| 1681 | gm_phy_write(hw, port, PHY_MARV_AUNE_ADV, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1682 | gm_phy_read(hw, port, PHY_MARV_AUNE_ADV) |
| 1683 | | PHY_M_AN_ASP); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1684 | } |
| 1685 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1686 | netif_carrier_off(sky2->netdev); |
| 1687 | netif_stop_queue(sky2->netdev); |
| 1688 | |
| 1689 | /* Turn on link LED */ |
| 1690 | sky2_write8(hw, SK_REG(port, LNK_LED_REG), LINKLED_OFF); |
| 1691 | |
| 1692 | if (netif_msg_link(sky2)) |
| 1693 | printk(KERN_INFO PFX "%s: Link is down.\n", sky2->netdev->name); |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 1694 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1695 | sky2_phy_init(hw, port); |
| 1696 | } |
| 1697 | |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 1698 | static enum flow_control sky2_flow(int rx, int tx) |
| 1699 | { |
| 1700 | if (rx) |
| 1701 | return tx ? FC_BOTH : FC_RX; |
| 1702 | else |
| 1703 | return tx ? FC_TX : FC_NONE; |
| 1704 | } |
| 1705 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1706 | static int sky2_autoneg_done(struct sky2_port *sky2, u16 aux) |
| 1707 | { |
| 1708 | struct sky2_hw *hw = sky2->hw; |
| 1709 | unsigned port = sky2->port; |
| 1710 | u16 lpa; |
| 1711 | |
| 1712 | lpa = gm_phy_read(hw, port, PHY_MARV_AUNE_LP); |
| 1713 | |
| 1714 | if (lpa & PHY_M_AN_RF) { |
| 1715 | printk(KERN_ERR PFX "%s: remote fault", sky2->netdev->name); |
| 1716 | return -1; |
| 1717 | } |
| 1718 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1719 | if (!(aux & PHY_M_PS_SPDUP_RES)) { |
| 1720 | printk(KERN_ERR PFX "%s: speed/duplex mismatch", |
| 1721 | sky2->netdev->name); |
| 1722 | return -1; |
| 1723 | } |
| 1724 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1725 | sky2->speed = sky2_phy_speed(hw, aux); |
Stephen Hemminger | 7c74ac1 | 2006-10-17 10:24:08 -0700 | [diff] [blame] | 1726 | sky2->duplex = (aux & PHY_M_PS_FULL_DUP) ? DUPLEX_FULL : DUPLEX_HALF; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1727 | |
| 1728 | /* Pause bits are offset (9..8) */ |
Stephen Hemminger | ed6d32c | 2006-05-08 15:11:33 -0700 | [diff] [blame] | 1729 | 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] | 1730 | aux >>= 6; |
| 1731 | |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 1732 | sky2->flow_status = sky2_flow(aux & PHY_M_PS_RX_P_EN, |
| 1733 | aux & PHY_M_PS_TX_P_EN); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1734 | |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 1735 | if (sky2->duplex == DUPLEX_HALF && sky2->speed < SPEED_1000 |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 1736 | && hw->chip_id != CHIP_ID_YUKON_EC_U) |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 1737 | sky2->flow_status = FC_NONE; |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 1738 | |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 1739 | if (aux & PHY_M_PS_RX_P_EN) |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1740 | sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_PAUSE_ON); |
| 1741 | else |
| 1742 | sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_PAUSE_OFF); |
| 1743 | |
| 1744 | return 0; |
| 1745 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1746 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1747 | /* Interrupt from PHY */ |
| 1748 | static void sky2_phy_intr(struct sky2_hw *hw, unsigned port) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1749 | { |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1750 | struct net_device *dev = hw->dev[port]; |
| 1751 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1752 | u16 istatus, phystat; |
| 1753 | |
Stephen Hemminger | ebc646f | 2006-10-17 10:23:56 -0700 | [diff] [blame] | 1754 | if (!netif_running(dev)) |
| 1755 | return; |
| 1756 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1757 | spin_lock(&sky2->phy_lock); |
| 1758 | istatus = gm_phy_read(hw, port, PHY_MARV_INT_STAT); |
| 1759 | phystat = gm_phy_read(hw, port, PHY_MARV_PHY_STAT); |
| 1760 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1761 | if (netif_msg_intr(sky2)) |
| 1762 | printk(KERN_INFO PFX "%s: phy interrupt status 0x%x 0x%x\n", |
| 1763 | sky2->netdev->name, istatus, phystat); |
| 1764 | |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 1765 | if (sky2->autoneg == AUTONEG_ENABLE && (istatus & PHY_M_IS_AN_COMPL)) { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1766 | if (sky2_autoneg_done(sky2, phystat) == 0) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1767 | sky2_link_up(sky2); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1768 | goto out; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1769 | } |
| 1770 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1771 | if (istatus & PHY_M_IS_LSP_CHANGE) |
| 1772 | sky2->speed = sky2_phy_speed(hw, phystat); |
| 1773 | |
| 1774 | if (istatus & PHY_M_IS_DUP_CHANGE) |
| 1775 | sky2->duplex = |
| 1776 | (phystat & PHY_M_PS_FULL_DUP) ? DUPLEX_FULL : DUPLEX_HALF; |
| 1777 | |
| 1778 | if (istatus & PHY_M_IS_LST_CHANGE) { |
| 1779 | if (phystat & PHY_M_PS_LINK_UP) |
| 1780 | sky2_link_up(sky2); |
| 1781 | else |
| 1782 | sky2_link_down(sky2); |
| 1783 | } |
| 1784 | out: |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1785 | spin_unlock(&sky2->phy_lock); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1786 | } |
| 1787 | |
Stephen Hemminger | 302d125 | 2006-01-17 13:43:20 -0800 | [diff] [blame] | 1788 | |
| 1789 | /* Transmit timeout is only called if we are running, carries is up |
| 1790 | * and tx queue is full (stopped). |
| 1791 | */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1792 | static void sky2_tx_timeout(struct net_device *dev) |
| 1793 | { |
| 1794 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | 8cc048e | 2005-12-09 11:35:07 -0800 | [diff] [blame] | 1795 | struct sky2_hw *hw = sky2->hw; |
| 1796 | unsigned txq = txqaddr[sky2->port]; |
Stephen Hemminger | 8f24664 | 2006-03-20 15:48:21 -0800 | [diff] [blame] | 1797 | u16 report, done; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1798 | |
| 1799 | if (netif_msg_timer(sky2)) |
| 1800 | printk(KERN_ERR PFX "%s: tx timeout\n", dev->name); |
| 1801 | |
Stephen Hemminger | 8f24664 | 2006-03-20 15:48:21 -0800 | [diff] [blame] | 1802 | report = sky2_read16(hw, sky2->port == 0 ? STAT_TXA1_RIDX : STAT_TXA2_RIDX); |
| 1803 | done = sky2_read16(hw, Q_ADDR(txq, Q_DONE)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1804 | |
Stephen Hemminger | 8f24664 | 2006-03-20 15:48:21 -0800 | [diff] [blame] | 1805 | printk(KERN_DEBUG PFX "%s: transmit ring %u .. %u report=%u done=%u\n", |
| 1806 | dev->name, |
| 1807 | sky2->tx_cons, sky2->tx_prod, report, done); |
Stephen Hemminger | 8cc048e | 2005-12-09 11:35:07 -0800 | [diff] [blame] | 1808 | |
Stephen Hemminger | 8f24664 | 2006-03-20 15:48:21 -0800 | [diff] [blame] | 1809 | if (report != done) { |
| 1810 | printk(KERN_INFO PFX "status burst pending (irq moderation?)\n"); |
| 1811 | |
| 1812 | sky2_write8(hw, STAT_TX_TIMER_CTRL, TIM_STOP); |
| 1813 | sky2_write8(hw, STAT_TX_TIMER_CTRL, TIM_START); |
| 1814 | } else if (report != sky2->tx_cons) { |
| 1815 | printk(KERN_INFO PFX "status report lost?\n"); |
| 1816 | |
Stephen Hemminger | 2bb8c26 | 2006-09-26 11:57:42 -0700 | [diff] [blame] | 1817 | netif_tx_lock_bh(dev); |
Stephen Hemminger | 8f24664 | 2006-03-20 15:48:21 -0800 | [diff] [blame] | 1818 | sky2_tx_complete(sky2, report); |
Stephen Hemminger | 2bb8c26 | 2006-09-26 11:57:42 -0700 | [diff] [blame] | 1819 | netif_tx_unlock_bh(dev); |
Stephen Hemminger | 8f24664 | 2006-03-20 15:48:21 -0800 | [diff] [blame] | 1820 | } else { |
| 1821 | printk(KERN_INFO PFX "hardware hung? flushing\n"); |
| 1822 | |
| 1823 | sky2_write32(hw, Q_ADDR(txq, Q_CSR), BMU_STOP); |
| 1824 | sky2_write32(hw, Y2_QADDR(txq, PREF_UNIT_CTRL), PREF_UNIT_RST_SET); |
| 1825 | |
Stephen Hemminger | 2bb8c26 | 2006-09-26 11:57:42 -0700 | [diff] [blame] | 1826 | sky2_tx_clean(dev); |
Stephen Hemminger | 8f24664 | 2006-03-20 15:48:21 -0800 | [diff] [blame] | 1827 | |
| 1828 | sky2_qset(hw, txq); |
| 1829 | sky2_prefetch_init(hw, txq, sky2->tx_le_map, TX_RING_SIZE - 1); |
| 1830 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1831 | } |
| 1832 | |
| 1833 | static int sky2_change_mtu(struct net_device *dev, int new_mtu) |
| 1834 | { |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1835 | struct sky2_port *sky2 = netdev_priv(dev); |
| 1836 | struct sky2_hw *hw = sky2->hw; |
| 1837 | int err; |
| 1838 | u16 ctl, mode; |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1839 | u32 imask; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1840 | |
| 1841 | if (new_mtu < ETH_ZLEN || new_mtu > ETH_JUMBO_MTU) |
| 1842 | return -EINVAL; |
| 1843 | |
shemminger@osdl.org | 5a5b1ea | 2005-11-30 11:45:15 -0800 | [diff] [blame] | 1844 | if (hw->chip_id == CHIP_ID_YUKON_EC_U && new_mtu > ETH_DATA_LEN) |
| 1845 | return -EINVAL; |
| 1846 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1847 | if (!netif_running(dev)) { |
| 1848 | dev->mtu = new_mtu; |
| 1849 | return 0; |
| 1850 | } |
| 1851 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1852 | imask = sky2_read32(hw, B0_IMSK); |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1853 | sky2_write32(hw, B0_IMSK, 0); |
| 1854 | |
shemminger@osdl.org | 018d1c6 | 2005-11-30 11:45:18 -0800 | [diff] [blame] | 1855 | dev->trans_start = jiffies; /* prevent tx timeout */ |
| 1856 | netif_stop_queue(dev); |
| 1857 | netif_poll_disable(hw->dev[0]); |
| 1858 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1859 | synchronize_irq(hw->pdev->irq); |
| 1860 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1861 | ctl = gma_read16(hw, sky2->port, GM_GP_CTRL); |
| 1862 | gma_write16(hw, sky2->port, GM_GP_CTRL, ctl & ~GM_GPCR_RX_ENA); |
| 1863 | sky2_rx_stop(sky2); |
| 1864 | sky2_rx_clean(sky2); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1865 | |
| 1866 | dev->mtu = new_mtu; |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1867 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1868 | mode = DATA_BLIND_VAL(DATA_BLIND_DEF) | |
| 1869 | GM_SMOD_VLAN_ENA | IPG_DATA_VAL(IPG_DATA_DEF); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1870 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1871 | if (dev->mtu > ETH_DATA_LEN) |
| 1872 | mode |= GM_SMOD_JUMBO_ENA; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1873 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1874 | gma_write16(hw, sky2->port, GM_SERIAL_MODE, mode); |
| 1875 | |
| 1876 | sky2_write8(hw, RB_ADDR(rxqaddr[sky2->port], RB_CTRL), RB_ENA_OP_MD); |
| 1877 | |
| 1878 | err = sky2_rx_start(sky2); |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1879 | sky2_write32(hw, B0_IMSK, imask); |
shemminger@osdl.org | 018d1c6 | 2005-11-30 11:45:18 -0800 | [diff] [blame] | 1880 | |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 1881 | if (err) |
| 1882 | dev_close(dev); |
| 1883 | else { |
| 1884 | gma_write16(hw, sky2->port, GM_GP_CTRL, ctl); |
| 1885 | |
| 1886 | netif_poll_enable(hw->dev[0]); |
| 1887 | netif_wake_queue(dev); |
| 1888 | } |
| 1889 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1890 | return err; |
| 1891 | } |
| 1892 | |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1893 | /* For small just reuse existing skb for next receive */ |
| 1894 | static struct sk_buff *receive_copy(struct sky2_port *sky2, |
| 1895 | const struct rx_ring_info *re, |
| 1896 | unsigned length) |
| 1897 | { |
| 1898 | struct sk_buff *skb; |
| 1899 | |
| 1900 | skb = netdev_alloc_skb(sky2->netdev, length + 2); |
| 1901 | if (likely(skb)) { |
| 1902 | skb_reserve(skb, 2); |
| 1903 | pci_dma_sync_single_for_cpu(sky2->hw->pdev, re->data_addr, |
| 1904 | length, PCI_DMA_FROMDEVICE); |
| 1905 | memcpy(skb->data, re->skb->data, length); |
| 1906 | skb->ip_summed = re->skb->ip_summed; |
| 1907 | skb->csum = re->skb->csum; |
| 1908 | pci_dma_sync_single_for_device(sky2->hw->pdev, re->data_addr, |
| 1909 | length, PCI_DMA_FROMDEVICE); |
| 1910 | re->skb->ip_summed = CHECKSUM_NONE; |
Stephen Hemminger | 489b10c | 2006-10-03 16:39:12 -0700 | [diff] [blame] | 1911 | skb_put(skb, length); |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1912 | } |
| 1913 | return skb; |
| 1914 | } |
| 1915 | |
| 1916 | /* Adjust length of skb with fragments to match received data */ |
| 1917 | static void skb_put_frags(struct sk_buff *skb, unsigned int hdr_space, |
| 1918 | unsigned int length) |
| 1919 | { |
| 1920 | int i, num_frags; |
| 1921 | unsigned int size; |
| 1922 | |
| 1923 | /* put header into skb */ |
| 1924 | size = min(length, hdr_space); |
| 1925 | skb->tail += size; |
| 1926 | skb->len += size; |
| 1927 | length -= size; |
| 1928 | |
| 1929 | num_frags = skb_shinfo(skb)->nr_frags; |
| 1930 | for (i = 0; i < num_frags; i++) { |
| 1931 | skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; |
| 1932 | |
| 1933 | if (length == 0) { |
| 1934 | /* don't need this page */ |
| 1935 | __free_page(frag->page); |
| 1936 | --skb_shinfo(skb)->nr_frags; |
| 1937 | } else { |
| 1938 | size = min(length, (unsigned) PAGE_SIZE); |
| 1939 | |
| 1940 | frag->size = size; |
| 1941 | skb->data_len += size; |
| 1942 | skb->truesize += size; |
| 1943 | skb->len += size; |
| 1944 | length -= size; |
| 1945 | } |
| 1946 | } |
| 1947 | } |
| 1948 | |
| 1949 | /* Normal packet - take skb from ring element and put in a new one */ |
| 1950 | static struct sk_buff *receive_new(struct sky2_port *sky2, |
| 1951 | struct rx_ring_info *re, |
| 1952 | unsigned int length) |
| 1953 | { |
| 1954 | struct sk_buff *skb, *nskb; |
| 1955 | unsigned hdr_space = sky2->rx_data_size; |
| 1956 | |
| 1957 | pr_debug(PFX "receive new length=%d\n", length); |
| 1958 | |
| 1959 | /* Don't be tricky about reusing pages (yet) */ |
| 1960 | nskb = sky2_rx_alloc(sky2); |
| 1961 | if (unlikely(!nskb)) |
| 1962 | return NULL; |
| 1963 | |
| 1964 | skb = re->skb; |
| 1965 | sky2_rx_unmap_skb(sky2->hw->pdev, re); |
| 1966 | |
| 1967 | prefetch(skb->data); |
| 1968 | re->skb = nskb; |
| 1969 | sky2_rx_map_skb(sky2->hw->pdev, re, hdr_space); |
| 1970 | |
| 1971 | if (skb_shinfo(skb)->nr_frags) |
| 1972 | skb_put_frags(skb, hdr_space, length); |
| 1973 | else |
Stephen Hemminger | 489b10c | 2006-10-03 16:39:12 -0700 | [diff] [blame] | 1974 | skb_put(skb, length); |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1975 | return skb; |
| 1976 | } |
| 1977 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1978 | /* |
| 1979 | * Receive one packet. |
shemminger@osdl.org | d571b69 | 2005-10-26 12:16:09 -0700 | [diff] [blame] | 1980 | * For larger packets, get new buffer. |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1981 | */ |
shemminger@osdl.org | 497d7c8 | 2006-08-28 10:00:46 -0700 | [diff] [blame] | 1982 | static struct sk_buff *sky2_receive(struct net_device *dev, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1983 | u16 length, u32 status) |
| 1984 | { |
shemminger@osdl.org | 497d7c8 | 2006-08-28 10:00:46 -0700 | [diff] [blame] | 1985 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1986 | struct rx_ring_info *re = sky2->rx_ring + sky2->rx_next; |
Stephen Hemminger | 79e57d3 | 2005-09-19 15:42:33 -0700 | [diff] [blame] | 1987 | struct sk_buff *skb = NULL; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1988 | |
| 1989 | if (unlikely(netif_msg_rx_status(sky2))) |
| 1990 | 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] | 1991 | dev->name, sky2->rx_next, status, length); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1992 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1993 | sky2->rx_next = (sky2->rx_next + 1) % sky2->rx_pending; |
Stephen Hemminger | d70cd51 | 2005-12-09 11:35:09 -0800 | [diff] [blame] | 1994 | prefetch(sky2->rx_ring + sky2->rx_next); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1995 | |
shemminger@osdl.org | 42eeea0 | 2005-11-30 11:45:13 -0800 | [diff] [blame] | 1996 | if (status & GMR_FS_ANY_ERR) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1997 | goto error; |
| 1998 | |
shemminger@osdl.org | 42eeea0 | 2005-11-30 11:45:13 -0800 | [diff] [blame] | 1999 | if (!(status & GMR_FS_RX_OK)) |
| 2000 | goto resubmit; |
| 2001 | |
shemminger@osdl.org | 497d7c8 | 2006-08-28 10:00:46 -0700 | [diff] [blame] | 2002 | if (length > dev->mtu + ETH_HLEN) |
Stephen Hemminger | 6e15b71 | 2005-12-20 15:08:09 -0800 | [diff] [blame] | 2003 | goto oversize; |
| 2004 | |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 2005 | if (length < copybreak) |
| 2006 | skb = receive_copy(sky2, re, length); |
| 2007 | else |
| 2008 | skb = receive_new(sky2, re, length); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2009 | resubmit: |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 2010 | sky2_rx_submit(sky2, re); |
Stephen Hemminger | 79e57d3 | 2005-09-19 15:42:33 -0700 | [diff] [blame] | 2011 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2012 | return skb; |
| 2013 | |
Stephen Hemminger | 6e15b71 | 2005-12-20 15:08:09 -0800 | [diff] [blame] | 2014 | oversize: |
| 2015 | ++sky2->net_stats.rx_over_errors; |
| 2016 | goto resubmit; |
| 2017 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2018 | error: |
Stephen Hemminger | 6e15b71 | 2005-12-20 15:08:09 -0800 | [diff] [blame] | 2019 | ++sky2->net_stats.rx_errors; |
Stephen Hemminger | b6d7773 | 2006-10-17 10:24:16 -0700 | [diff] [blame] | 2020 | if (status & GMR_FS_RX_FF_OV) { |
| 2021 | sky2->net_stats.rx_fifo_errors++; |
| 2022 | goto resubmit; |
| 2023 | } |
Stephen Hemminger | 6e15b71 | 2005-12-20 15:08:09 -0800 | [diff] [blame] | 2024 | |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 2025 | if (netif_msg_rx_err(sky2) && net_ratelimit()) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2026 | 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] | 2027 | dev->name, status, length); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2028 | |
| 2029 | if (status & (GMR_FS_LONG_ERR | GMR_FS_UN_SIZE)) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2030 | sky2->net_stats.rx_length_errors++; |
| 2031 | if (status & GMR_FS_FRAGMENT) |
| 2032 | sky2->net_stats.rx_frame_errors++; |
| 2033 | if (status & GMR_FS_CRC_ERR) |
| 2034 | sky2->net_stats.rx_crc_errors++; |
Stephen Hemminger | 79e57d3 | 2005-09-19 15:42:33 -0700 | [diff] [blame] | 2035 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2036 | goto resubmit; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2037 | } |
| 2038 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2039 | /* Transmit complete */ |
| 2040 | static inline void sky2_tx_done(struct net_device *dev, u16 last) |
Stephen Hemminger | 13b97b7 | 2005-12-09 11:35:03 -0800 | [diff] [blame] | 2041 | { |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2042 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | 302d125 | 2006-01-17 13:43:20 -0800 | [diff] [blame] | 2043 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2044 | if (netif_running(dev)) { |
Stephen Hemminger | 2bb8c26 | 2006-09-26 11:57:42 -0700 | [diff] [blame] | 2045 | netif_tx_lock(dev); |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2046 | sky2_tx_complete(sky2, last); |
Stephen Hemminger | 2bb8c26 | 2006-09-26 11:57:42 -0700 | [diff] [blame] | 2047 | netif_tx_unlock(dev); |
shemminger@osdl.org | 2224795 | 2005-11-30 11:45:19 -0800 | [diff] [blame] | 2048 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2049 | } |
| 2050 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2051 | /* Process status response ring */ |
| 2052 | static int sky2_status_intr(struct sky2_hw *hw, int to_do) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2053 | { |
Stephen Hemminger | 22e1170 | 2006-07-12 15:23:48 -0700 | [diff] [blame] | 2054 | struct sky2_port *sky2; |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2055 | int work_done = 0; |
Stephen Hemminger | 22e1170 | 2006-07-12 15:23:48 -0700 | [diff] [blame] | 2056 | unsigned buf_write[2] = { 0, 0 }; |
Stephen Hemminger | e71ebd7 | 2006-05-08 15:11:31 -0700 | [diff] [blame] | 2057 | u16 hwidx = sky2_read16(hw, STAT_PUT_IDX); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2058 | |
Stephen Hemminger | af2a58a | 2005-12-09 11:35:04 -0800 | [diff] [blame] | 2059 | rmb(); |
shemminger@osdl.org | bea8610 | 2005-10-26 12:16:10 -0700 | [diff] [blame] | 2060 | |
Stephen Hemminger | e71ebd7 | 2006-05-08 15:11:31 -0700 | [diff] [blame] | 2061 | while (hw->st_idx != hwidx) { |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 2062 | struct sky2_status_le *le = hw->st_le + hw->st_idx; |
| 2063 | struct net_device *dev; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2064 | struct sk_buff *skb; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2065 | u32 status; |
| 2066 | u16 length; |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2067 | |
Stephen Hemminger | cb5d954 | 2006-05-08 15:11:29 -0700 | [diff] [blame] | 2068 | hw->st_idx = RING_NEXT(hw->st_idx, STATUS_RING_SIZE); |
shemminger@osdl.org | bea8610 | 2005-10-26 12:16:10 -0700 | [diff] [blame] | 2069 | |
Stephen Hemminger | e71ebd7 | 2006-05-08 15:11:31 -0700 | [diff] [blame] | 2070 | BUG_ON(le->link >= 2); |
| 2071 | dev = hw->dev[le->link]; |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 2072 | |
| 2073 | sky2 = netdev_priv(dev); |
Stephen Hemminger | f65b138 | 2006-09-06 12:45:02 -0700 | [diff] [blame] | 2074 | length = le16_to_cpu(le->length); |
| 2075 | status = le32_to_cpu(le->status); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2076 | |
Stephen Hemminger | e71ebd7 | 2006-05-08 15:11:31 -0700 | [diff] [blame] | 2077 | switch (le->opcode & ~HW_OWNER) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2078 | case OP_RXSTAT: |
shemminger@osdl.org | 497d7c8 | 2006-08-28 10:00:46 -0700 | [diff] [blame] | 2079 | skb = sky2_receive(dev, length, status); |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 2080 | if (!skb) |
Stephen Hemminger | 5df7911 | 2006-12-01 14:29:33 -0800 | [diff] [blame] | 2081 | goto force_update; |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 2082 | |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 2083 | skb->protocol = eth_type_trans(skb, dev); |
| 2084 | dev->last_rx = jiffies; |
| 2085 | |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 2086 | #ifdef SKY2_VLAN_TAG_USED |
| 2087 | if (sky2->vlgrp && (status & GMR_FS_VLAN)) { |
| 2088 | vlan_hwaccel_receive_skb(skb, |
| 2089 | sky2->vlgrp, |
| 2090 | be16_to_cpu(sky2->rx_tag)); |
| 2091 | } else |
| 2092 | #endif |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2093 | netif_receive_skb(skb); |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 2094 | |
Stephen Hemminger | 22e1170 | 2006-07-12 15:23:48 -0700 | [diff] [blame] | 2095 | /* Update receiver after 16 frames */ |
| 2096 | if (++buf_write[le->link] == RX_BUF_WRITE) { |
Stephen Hemminger | 5df7911 | 2006-12-01 14:29:33 -0800 | [diff] [blame] | 2097 | force_update: |
| 2098 | sky2_put_idx(hw, rxqaddr[le->link], sky2->rx_put); |
Stephen Hemminger | 22e1170 | 2006-07-12 15:23:48 -0700 | [diff] [blame] | 2099 | buf_write[le->link] = 0; |
| 2100 | } |
| 2101 | |
| 2102 | /* Stop after net poll weight */ |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 2103 | if (++work_done >= to_do) |
| 2104 | goto exit_loop; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2105 | break; |
| 2106 | |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 2107 | #ifdef SKY2_VLAN_TAG_USED |
| 2108 | case OP_RXVLAN: |
| 2109 | sky2->rx_tag = length; |
| 2110 | break; |
| 2111 | |
| 2112 | case OP_RXCHKSVLAN: |
| 2113 | sky2->rx_tag = length; |
| 2114 | /* fall through */ |
| 2115 | #endif |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2116 | case OP_RXCHKS: |
shemminger@osdl.org | d11c13e | 2005-09-27 15:02:56 -0700 | [diff] [blame] | 2117 | skb = sky2->rx_ring[sky2->rx_next].skb; |
Patrick McHardy | 84fa793 | 2006-08-29 16:44:56 -0700 | [diff] [blame] | 2118 | skb->ip_summed = CHECKSUM_COMPLETE; |
Stephen Hemminger | f65b138 | 2006-09-06 12:45:02 -0700 | [diff] [blame] | 2119 | skb->csum = status & 0xffff; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2120 | break; |
| 2121 | |
| 2122 | case OP_TXINDEXLE: |
Stephen Hemminger | 13b97b7 | 2005-12-09 11:35:03 -0800 | [diff] [blame] | 2123 | /* TX index reports status for both ports */ |
Stephen Hemminger | f55925d | 2006-05-08 15:11:28 -0700 | [diff] [blame] | 2124 | BUILD_BUG_ON(TX_RING_SIZE > 0x1000); |
| 2125 | sky2_tx_done(hw->dev[0], status & 0xfff); |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2126 | if (hw->dev[1]) |
| 2127 | sky2_tx_done(hw->dev[1], |
| 2128 | ((status >> 24) & 0xff) |
| 2129 | | (u16)(length & 0xf) << 8); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2130 | break; |
| 2131 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2132 | default: |
| 2133 | if (net_ratelimit()) |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2134 | printk(KERN_WARNING PFX |
Stephen Hemminger | e71ebd7 | 2006-05-08 15:11:31 -0700 | [diff] [blame] | 2135 | "unknown status opcode 0x%x\n", le->opcode); |
| 2136 | goto exit_loop; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2137 | } |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 2138 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2139 | |
Stephen Hemminger | fe2a24d | 2006-08-01 11:55:23 -0700 | [diff] [blame] | 2140 | /* Fully processed status ring so clear irq */ |
| 2141 | sky2_write32(hw, STAT_CTRL, SC_STAT_CLR_IRQ); |
| 2142 | |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 2143 | exit_loop: |
Stephen Hemminger | 22e1170 | 2006-07-12 15:23:48 -0700 | [diff] [blame] | 2144 | if (buf_write[0]) { |
| 2145 | sky2 = netdev_priv(hw->dev[0]); |
| 2146 | sky2_put_idx(hw, Q_R1, sky2->rx_put); |
| 2147 | } |
| 2148 | |
| 2149 | if (buf_write[1]) { |
| 2150 | sky2 = netdev_priv(hw->dev[1]); |
| 2151 | sky2_put_idx(hw, Q_R2, sky2->rx_put); |
| 2152 | } |
| 2153 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2154 | return work_done; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2155 | } |
| 2156 | |
| 2157 | static void sky2_hw_error(struct sky2_hw *hw, unsigned port, u32 status) |
| 2158 | { |
| 2159 | struct net_device *dev = hw->dev[port]; |
| 2160 | |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 2161 | if (net_ratelimit()) |
| 2162 | printk(KERN_INFO PFX "%s: hw error interrupt status 0x%x\n", |
| 2163 | dev->name, status); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2164 | |
| 2165 | if (status & Y2_IS_PAR_RD1) { |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 2166 | if (net_ratelimit()) |
| 2167 | printk(KERN_ERR PFX "%s: ram data read parity error\n", |
| 2168 | dev->name); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2169 | /* Clear IRQ */ |
| 2170 | sky2_write16(hw, RAM_BUFFER(port, B3_RI_CTRL), RI_CLR_RD_PERR); |
| 2171 | } |
| 2172 | |
| 2173 | if (status & Y2_IS_PAR_WR1) { |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 2174 | if (net_ratelimit()) |
| 2175 | printk(KERN_ERR PFX "%s: ram data write parity error\n", |
| 2176 | dev->name); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2177 | |
| 2178 | sky2_write16(hw, RAM_BUFFER(port, B3_RI_CTRL), RI_CLR_WR_PERR); |
| 2179 | } |
| 2180 | |
| 2181 | if (status & Y2_IS_PAR_MAC1) { |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 2182 | if (net_ratelimit()) |
| 2183 | printk(KERN_ERR PFX "%s: MAC parity error\n", dev->name); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2184 | sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_CLI_TX_PE); |
| 2185 | } |
| 2186 | |
| 2187 | if (status & Y2_IS_PAR_RX1) { |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 2188 | if (net_ratelimit()) |
| 2189 | printk(KERN_ERR PFX "%s: RX parity error\n", dev->name); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2190 | sky2_write32(hw, Q_ADDR(rxqaddr[port], Q_CSR), BMU_CLR_IRQ_PAR); |
| 2191 | } |
| 2192 | |
| 2193 | if (status & Y2_IS_TCP_TXA1) { |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 2194 | if (net_ratelimit()) |
| 2195 | printk(KERN_ERR PFX "%s: TCP segmentation error\n", |
| 2196 | dev->name); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2197 | sky2_write32(hw, Q_ADDR(txqaddr[port], Q_CSR), BMU_CLR_IRQ_TCP); |
| 2198 | } |
| 2199 | } |
| 2200 | |
| 2201 | static void sky2_hw_intr(struct sky2_hw *hw) |
| 2202 | { |
| 2203 | u32 status = sky2_read32(hw, B0_HWE_ISRC); |
| 2204 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2205 | if (status & Y2_IS_TIST_OV) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2206 | sky2_write8(hw, GMAC_TI_ST_CTRL, GMT_ST_CLR_IRQ); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2207 | |
| 2208 | if (status & (Y2_IS_MST_ERR | Y2_IS_IRQ_STAT)) { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2209 | u16 pci_err; |
| 2210 | |
Stephen Hemminger | 56a645c | 2006-02-22 11:45:02 -0800 | [diff] [blame] | 2211 | pci_err = sky2_pci_read16(hw, PCI_STATUS); |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 2212 | if (net_ratelimit()) |
| 2213 | printk(KERN_ERR PFX "%s: pci hw error (0x%x)\n", |
| 2214 | pci_name(hw->pdev), pci_err); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2215 | |
| 2216 | sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON); |
Stephen Hemminger | 56a645c | 2006-02-22 11:45:02 -0800 | [diff] [blame] | 2217 | sky2_pci_write16(hw, PCI_STATUS, |
Stephen Hemminger | 91aeb3e | 2006-09-26 11:57:38 -0700 | [diff] [blame] | 2218 | pci_err | PCI_STATUS_ERROR_BITS); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2219 | sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF); |
| 2220 | } |
| 2221 | |
| 2222 | if (status & Y2_IS_PCI_EXP) { |
shemminger@osdl.org | d571b69 | 2005-10-26 12:16:09 -0700 | [diff] [blame] | 2223 | /* PCI-Express uncorrectable Error occurred */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2224 | u32 pex_err; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2225 | |
Stephen Hemminger | 7bd656d | 2006-10-09 14:40:38 -0700 | [diff] [blame] | 2226 | pex_err = sky2_pci_read32(hw, PEX_UNC_ERR_STAT); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2227 | |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 2228 | if (net_ratelimit()) |
| 2229 | printk(KERN_ERR PFX "%s: pci express error (0x%x)\n", |
| 2230 | pci_name(hw->pdev), pex_err); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2231 | |
| 2232 | /* clear the interrupt */ |
| 2233 | sky2_write32(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON); |
Stephen Hemminger | 7bd656d | 2006-10-09 14:40:38 -0700 | [diff] [blame] | 2234 | sky2_pci_write32(hw, PEX_UNC_ERR_STAT, |
| 2235 | 0xffffffffUL); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2236 | sky2_write32(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF); |
| 2237 | |
Stephen Hemminger | 7bd656d | 2006-10-09 14:40:38 -0700 | [diff] [blame] | 2238 | if (pex_err & PEX_FATAL_ERRORS) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2239 | u32 hwmsk = sky2_read32(hw, B0_HWE_IMSK); |
| 2240 | hwmsk &= ~Y2_IS_PCI_EXP; |
| 2241 | sky2_write32(hw, B0_HWE_IMSK, hwmsk); |
| 2242 | } |
| 2243 | } |
| 2244 | |
| 2245 | if (status & Y2_HWE_L1_MASK) |
| 2246 | sky2_hw_error(hw, 0, status); |
| 2247 | status >>= 8; |
| 2248 | if (status & Y2_HWE_L1_MASK) |
| 2249 | sky2_hw_error(hw, 1, status); |
| 2250 | } |
| 2251 | |
| 2252 | static void sky2_mac_intr(struct sky2_hw *hw, unsigned port) |
| 2253 | { |
| 2254 | struct net_device *dev = hw->dev[port]; |
| 2255 | struct sky2_port *sky2 = netdev_priv(dev); |
| 2256 | u8 status = sky2_read8(hw, SK_REG(port, GMAC_IRQ_SRC)); |
| 2257 | |
| 2258 | if (netif_msg_intr(sky2)) |
| 2259 | printk(KERN_INFO PFX "%s: mac interrupt status 0x%x\n", |
| 2260 | dev->name, status); |
| 2261 | |
| 2262 | if (status & GM_IS_RX_FF_OR) { |
| 2263 | ++sky2->net_stats.rx_fifo_errors; |
| 2264 | sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_CLI_RX_FO); |
| 2265 | } |
| 2266 | |
| 2267 | if (status & GM_IS_TX_FF_UR) { |
| 2268 | ++sky2->net_stats.tx_fifo_errors; |
| 2269 | sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_CLI_TX_FU); |
| 2270 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2271 | } |
| 2272 | |
Stephen Hemminger | d257924 | 2006-03-20 15:48:22 -0800 | [diff] [blame] | 2273 | /* This should never happen it is a fatal situation */ |
| 2274 | static void sky2_descriptor_error(struct sky2_hw *hw, unsigned port, |
| 2275 | const char *rxtx, u32 mask) |
| 2276 | { |
| 2277 | struct net_device *dev = hw->dev[port]; |
| 2278 | struct sky2_port *sky2 = netdev_priv(dev); |
| 2279 | u32 imask; |
| 2280 | |
| 2281 | printk(KERN_ERR PFX "%s: %s descriptor error (hardware problem)\n", |
| 2282 | dev ? dev->name : "<not registered>", rxtx); |
| 2283 | |
| 2284 | imask = sky2_read32(hw, B0_IMSK); |
| 2285 | imask &= ~mask; |
| 2286 | sky2_write32(hw, B0_IMSK, imask); |
| 2287 | |
| 2288 | if (dev) { |
| 2289 | spin_lock(&sky2->phy_lock); |
| 2290 | sky2_link_down(sky2); |
| 2291 | spin_unlock(&sky2->phy_lock); |
| 2292 | } |
| 2293 | } |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2294 | |
Stephen Hemminger | d27ed38 | 2006-04-25 10:58:51 -0700 | [diff] [blame] | 2295 | /* If idle then force a fake soft NAPI poll once a second |
| 2296 | * to work around cases where sharing an edge triggered interrupt. |
| 2297 | */ |
Stephen Hemminger | eb35cf6 | 2006-06-13 17:17:31 +0900 | [diff] [blame] | 2298 | static inline void sky2_idle_start(struct sky2_hw *hw) |
| 2299 | { |
| 2300 | if (idle_timeout > 0) |
| 2301 | mod_timer(&hw->idle_timer, |
| 2302 | jiffies + msecs_to_jiffies(idle_timeout)); |
| 2303 | } |
| 2304 | |
Stephen Hemminger | d27ed38 | 2006-04-25 10:58:51 -0700 | [diff] [blame] | 2305 | static void sky2_idle(unsigned long arg) |
| 2306 | { |
Stephen Hemminger | 01bd756 | 2006-05-08 15:11:30 -0700 | [diff] [blame] | 2307 | struct sky2_hw *hw = (struct sky2_hw *) arg; |
| 2308 | struct net_device *dev = hw->dev[0]; |
Stephen Hemminger | d27ed38 | 2006-04-25 10:58:51 -0700 | [diff] [blame] | 2309 | |
Stephen Hemminger | d27ed38 | 2006-04-25 10:58:51 -0700 | [diff] [blame] | 2310 | if (__netif_rx_schedule_prep(dev)) |
| 2311 | __netif_rx_schedule(dev); |
Stephen Hemminger | 01bd756 | 2006-05-08 15:11:30 -0700 | [diff] [blame] | 2312 | |
| 2313 | mod_timer(&hw->idle_timer, jiffies + msecs_to_jiffies(idle_timeout)); |
Stephen Hemminger | d27ed38 | 2006-04-25 10:58:51 -0700 | [diff] [blame] | 2314 | } |
| 2315 | |
| 2316 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2317 | static int sky2_poll(struct net_device *dev0, int *budget) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2318 | { |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2319 | struct sky2_hw *hw = ((struct sky2_port *) netdev_priv(dev0))->hw; |
| 2320 | int work_limit = min(dev0->quota, *budget); |
| 2321 | int work_done = 0; |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 2322 | u32 status = sky2_read32(hw, B0_Y2_SP_EISR); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2323 | |
Stephen Hemminger | 1e5f128 | 2006-05-08 15:11:27 -0700 | [diff] [blame] | 2324 | if (status & Y2_IS_HW_ERR) |
| 2325 | sky2_hw_intr(hw); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2326 | |
Stephen Hemminger | 1e5f128 | 2006-05-08 15:11:27 -0700 | [diff] [blame] | 2327 | if (status & Y2_IS_IRQ_PHY1) |
| 2328 | sky2_phy_intr(hw, 0); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2329 | |
Stephen Hemminger | 1e5f128 | 2006-05-08 15:11:27 -0700 | [diff] [blame] | 2330 | if (status & Y2_IS_IRQ_PHY2) |
| 2331 | sky2_phy_intr(hw, 1); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2332 | |
Stephen Hemminger | 1e5f128 | 2006-05-08 15:11:27 -0700 | [diff] [blame] | 2333 | if (status & Y2_IS_IRQ_MAC1) |
| 2334 | sky2_mac_intr(hw, 0); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2335 | |
Stephen Hemminger | 1e5f128 | 2006-05-08 15:11:27 -0700 | [diff] [blame] | 2336 | if (status & Y2_IS_IRQ_MAC2) |
| 2337 | sky2_mac_intr(hw, 1); |
Stephen Hemminger | d257924 | 2006-03-20 15:48:22 -0800 | [diff] [blame] | 2338 | |
Stephen Hemminger | 1e5f128 | 2006-05-08 15:11:27 -0700 | [diff] [blame] | 2339 | if (status & Y2_IS_CHK_RX1) |
| 2340 | sky2_descriptor_error(hw, 0, "receive", Y2_IS_CHK_RX1); |
Stephen Hemminger | d257924 | 2006-03-20 15:48:22 -0800 | [diff] [blame] | 2341 | |
Stephen Hemminger | 1e5f128 | 2006-05-08 15:11:27 -0700 | [diff] [blame] | 2342 | if (status & Y2_IS_CHK_RX2) |
| 2343 | sky2_descriptor_error(hw, 1, "receive", Y2_IS_CHK_RX2); |
Stephen Hemminger | d257924 | 2006-03-20 15:48:22 -0800 | [diff] [blame] | 2344 | |
Stephen Hemminger | 1e5f128 | 2006-05-08 15:11:27 -0700 | [diff] [blame] | 2345 | if (status & Y2_IS_CHK_TXA1) |
| 2346 | sky2_descriptor_error(hw, 0, "transmit", Y2_IS_CHK_TXA1); |
Stephen Hemminger | d257924 | 2006-03-20 15:48:22 -0800 | [diff] [blame] | 2347 | |
Stephen Hemminger | 1e5f128 | 2006-05-08 15:11:27 -0700 | [diff] [blame] | 2348 | if (status & Y2_IS_CHK_TXA2) |
| 2349 | sky2_descriptor_error(hw, 1, "transmit", Y2_IS_CHK_TXA2); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2350 | |
Stephen Hemminger | 1e5f128 | 2006-05-08 15:11:27 -0700 | [diff] [blame] | 2351 | work_done = sky2_status_intr(hw, work_limit); |
Stephen Hemminger | fe2a24d | 2006-08-01 11:55:23 -0700 | [diff] [blame] | 2352 | if (work_done < work_limit) { |
| 2353 | netif_rx_complete(dev0); |
Stephen Hemminger | 1e5f128 | 2006-05-08 15:11:27 -0700 | [diff] [blame] | 2354 | |
Stephen Hemminger | fe2a24d | 2006-08-01 11:55:23 -0700 | [diff] [blame] | 2355 | sky2_read32(hw, B0_Y2_SP_LISR); |
| 2356 | return 0; |
| 2357 | } else { |
| 2358 | *budget -= work_done; |
| 2359 | dev0->quota -= work_done; |
Stephen Hemminger | 1e5f128 | 2006-05-08 15:11:27 -0700 | [diff] [blame] | 2360 | return 1; |
Stephen Hemminger | fe2a24d | 2006-08-01 11:55:23 -0700 | [diff] [blame] | 2361 | } |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2362 | } |
| 2363 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 2364 | static irqreturn_t sky2_intr(int irq, void *dev_id) |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2365 | { |
| 2366 | struct sky2_hw *hw = dev_id; |
| 2367 | struct net_device *dev0 = hw->dev[0]; |
| 2368 | u32 status; |
| 2369 | |
| 2370 | /* Reading this mask interrupts as side effect */ |
| 2371 | status = sky2_read32(hw, B0_Y2_SP_ISRC2); |
| 2372 | if (status == 0 || status == ~0) |
| 2373 | return IRQ_NONE; |
| 2374 | |
| 2375 | prefetch(&hw->st_le[hw->st_idx]); |
| 2376 | if (likely(__netif_rx_schedule_prep(dev0))) |
| 2377 | __netif_rx_schedule(dev0); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2378 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2379 | return IRQ_HANDLED; |
| 2380 | } |
| 2381 | |
| 2382 | #ifdef CONFIG_NET_POLL_CONTROLLER |
| 2383 | static void sky2_netpoll(struct net_device *dev) |
| 2384 | { |
| 2385 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | 88d1136 | 2006-06-16 12:10:46 -0700 | [diff] [blame] | 2386 | struct net_device *dev0 = sky2->hw->dev[0]; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2387 | |
Stephen Hemminger | 88d1136 | 2006-06-16 12:10:46 -0700 | [diff] [blame] | 2388 | if (netif_running(dev) && __netif_rx_schedule_prep(dev0)) |
| 2389 | __netif_rx_schedule(dev0); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2390 | } |
| 2391 | #endif |
| 2392 | |
| 2393 | /* Chip internal frequency for clock calculations */ |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 2394 | static inline u32 sky2_mhz(const struct sky2_hw *hw) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2395 | { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2396 | switch (hw->chip_id) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2397 | case CHIP_ID_YUKON_EC: |
shemminger@osdl.org | 5a5b1ea | 2005-11-30 11:45:15 -0800 | [diff] [blame] | 2398 | case CHIP_ID_YUKON_EC_U: |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 2399 | return 125; /* 125 Mhz */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2400 | case CHIP_ID_YUKON_FE: |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 2401 | return 100; /* 100 Mhz */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2402 | default: /* YUKON_XL */ |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 2403 | return 156; /* 156 Mhz */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2404 | } |
| 2405 | } |
| 2406 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2407 | static inline u32 sky2_us2clk(const struct sky2_hw *hw, u32 us) |
| 2408 | { |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 2409 | return sky2_mhz(hw) * us; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2410 | } |
| 2411 | |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 2412 | static inline u32 sky2_clk2us(const struct sky2_hw *hw, u32 clk) |
| 2413 | { |
| 2414 | return clk / sky2_mhz(hw); |
| 2415 | } |
| 2416 | |
| 2417 | |
Stephen Hemminger | 5913952 | 2006-07-12 15:23:45 -0700 | [diff] [blame] | 2418 | static int sky2_reset(struct sky2_hw *hw) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2419 | { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2420 | u16 status; |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 2421 | u8 t8; |
Stephen Hemminger | 56a645c | 2006-02-22 11:45:02 -0800 | [diff] [blame] | 2422 | int i; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2423 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2424 | sky2_write8(hw, B0_CTST, CS_RST_CLR); |
Stephen Hemminger | 08c06d8 | 2006-01-30 11:37:54 -0800 | [diff] [blame] | 2425 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2426 | hw->chip_id = sky2_read8(hw, B2_CHIP_ID); |
| 2427 | if (hw->chip_id < CHIP_ID_YUKON_XL || hw->chip_id > CHIP_ID_YUKON_FE) { |
| 2428 | printk(KERN_ERR PFX "%s: unsupported chip type 0x%x\n", |
| 2429 | pci_name(hw->pdev), hw->chip_id); |
| 2430 | return -EOPNOTSUPP; |
| 2431 | } |
| 2432 | |
Stephen Hemminger | 290d4de | 2006-03-20 15:48:15 -0800 | [diff] [blame] | 2433 | hw->chip_rev = (sky2_read8(hw, B2_MAC_CFG) & CFG_CHIP_R_MSK) >> 4; |
| 2434 | |
| 2435 | /* This rev is really old, and requires untested workarounds */ |
| 2436 | if (hw->chip_id == CHIP_ID_YUKON_EC && hw->chip_rev == CHIP_REV_YU_EC_A1) { |
| 2437 | printk(KERN_ERR PFX "%s: unsupported revision Yukon-%s (0x%x) rev %d\n", |
| 2438 | pci_name(hw->pdev), yukon2_name[hw->chip_id - CHIP_ID_YUKON_XL], |
| 2439 | hw->chip_id, hw->chip_rev); |
| 2440 | return -EOPNOTSUPP; |
| 2441 | } |
| 2442 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2443 | /* disable ASF */ |
| 2444 | if (hw->chip_id <= CHIP_ID_YUKON_EC) { |
| 2445 | sky2_write8(hw, B28_Y2_ASF_STAT_CMD, Y2_ASF_RESET); |
| 2446 | sky2_write16(hw, B0_CTST, Y2_ASF_DISABLE); |
| 2447 | } |
| 2448 | |
| 2449 | /* do a SW reset */ |
| 2450 | sky2_write8(hw, B0_CTST, CS_RST_SET); |
| 2451 | sky2_write8(hw, B0_CTST, CS_RST_CLR); |
| 2452 | |
| 2453 | /* clear PCI errors, if any */ |
Stephen Hemminger | 56a645c | 2006-02-22 11:45:02 -0800 | [diff] [blame] | 2454 | status = sky2_pci_read16(hw, PCI_STATUS); |
Stephen Hemminger | 2d42d21 | 2006-01-30 11:37:55 -0800 | [diff] [blame] | 2455 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2456 | sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON); |
Stephen Hemminger | 56a645c | 2006-02-22 11:45:02 -0800 | [diff] [blame] | 2457 | sky2_pci_write16(hw, PCI_STATUS, status | PCI_STATUS_ERROR_BITS); |
| 2458 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2459 | |
| 2460 | sky2_write8(hw, B0_CTST, CS_MRST_CLR); |
| 2461 | |
| 2462 | /* clear any PEX errors */ |
Stephen Hemminger | 7bd656d | 2006-10-09 14:40:38 -0700 | [diff] [blame] | 2463 | if (pci_find_capability(hw->pdev, PCI_CAP_ID_EXP)) |
| 2464 | sky2_pci_write32(hw, PEX_UNC_ERR_STAT, 0xffffffffUL); |
| 2465 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2466 | |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 2467 | hw->pmd_type = sky2_read8(hw, B2_PMD_TYP); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2468 | hw->ports = 1; |
| 2469 | t8 = sky2_read8(hw, B2_Y2_HW_RES); |
| 2470 | if ((t8 & CFG_DUAL_MAC_MSK) == CFG_DUAL_MAC_MSK) { |
| 2471 | if (!(sky2_read8(hw, B2_Y2_CLK_GATE) & Y2_STATUS_LNK2_INAC)) |
| 2472 | ++hw->ports; |
| 2473 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2474 | |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 2475 | sky2_set_power_state(hw, PCI_D0); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2476 | |
| 2477 | for (i = 0; i < hw->ports; i++) { |
| 2478 | sky2_write8(hw, SK_REG(i, GMAC_LINK_CTRL), GMLC_RST_SET); |
| 2479 | sky2_write8(hw, SK_REG(i, GMAC_LINK_CTRL), GMLC_RST_CLR); |
| 2480 | } |
| 2481 | |
| 2482 | sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF); |
| 2483 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2484 | /* Clear I2C IRQ noise */ |
| 2485 | sky2_write32(hw, B2_I2C_IRQ, 1); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2486 | |
| 2487 | /* turn off hardware timer (unused) */ |
| 2488 | sky2_write8(hw, B2_TI_CTRL, TIM_STOP); |
| 2489 | sky2_write8(hw, B2_TI_CTRL, TIM_CLR_IRQ); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2490 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2491 | sky2_write8(hw, B0_Y2LED, LED_STAT_ON); |
| 2492 | |
Stephen Hemminger | 69634ee | 2005-12-09 11:35:06 -0800 | [diff] [blame] | 2493 | /* Turn off descriptor polling */ |
| 2494 | sky2_write32(hw, B28_DPT_CTRL, DPT_STOP); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2495 | |
| 2496 | /* Turn off receive timestamp */ |
| 2497 | sky2_write8(hw, GMAC_TI_ST_CTRL, GMT_ST_STOP); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2498 | sky2_write8(hw, GMAC_TI_ST_CTRL, GMT_ST_CLR_IRQ); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2499 | |
| 2500 | /* enable the Tx Arbiters */ |
| 2501 | for (i = 0; i < hw->ports; i++) |
| 2502 | sky2_write8(hw, SK_REG(i, TXA_CTRL), TXA_ENA_ARB); |
| 2503 | |
| 2504 | /* Initialize ram interface */ |
| 2505 | for (i = 0; i < hw->ports; i++) { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2506 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_CTRL), RI_RST_CLR); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2507 | |
| 2508 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_WTO_R1), SK_RI_TO_53); |
| 2509 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_WTO_XA1), SK_RI_TO_53); |
| 2510 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_WTO_XS1), SK_RI_TO_53); |
| 2511 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_RTO_R1), SK_RI_TO_53); |
| 2512 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_RTO_XA1), SK_RI_TO_53); |
| 2513 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_RTO_XS1), SK_RI_TO_53); |
| 2514 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_WTO_R2), SK_RI_TO_53); |
| 2515 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_WTO_XA2), SK_RI_TO_53); |
| 2516 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_WTO_XS2), SK_RI_TO_53); |
| 2517 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_RTO_R2), SK_RI_TO_53); |
| 2518 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_RTO_XA2), SK_RI_TO_53); |
| 2519 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_RTO_XS2), SK_RI_TO_53); |
| 2520 | } |
| 2521 | |
Stephen Hemminger | 7bd656d | 2006-10-09 14:40:38 -0700 | [diff] [blame] | 2522 | sky2_write32(hw, B0_HWE_IMSK, Y2_HWE_ALL_MASK); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2523 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2524 | for (i = 0; i < hw->ports; i++) |
shemminger@osdl.org | d3bcfbe | 2006-08-28 10:00:51 -0700 | [diff] [blame] | 2525 | sky2_gmac_reset(hw, i); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2526 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2527 | memset(hw->st_le, 0, STATUS_LE_BYTES); |
| 2528 | hw->st_idx = 0; |
| 2529 | |
| 2530 | sky2_write32(hw, STAT_CTRL, SC_STAT_RST_SET); |
| 2531 | sky2_write32(hw, STAT_CTRL, SC_STAT_RST_CLR); |
| 2532 | |
| 2533 | sky2_write32(hw, STAT_LIST_ADDR_LO, hw->st_dma); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2534 | sky2_write32(hw, STAT_LIST_ADDR_HI, (u64) hw->st_dma >> 32); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2535 | |
| 2536 | /* Set the list last index */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2537 | sky2_write16(hw, STAT_LAST_IDX, STATUS_RING_SIZE - 1); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2538 | |
Stephen Hemminger | 290d4de | 2006-03-20 15:48:15 -0800 | [diff] [blame] | 2539 | sky2_write16(hw, STAT_TX_IDX_TH, 10); |
| 2540 | sky2_write8(hw, STAT_FIFO_WM, 16); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2541 | |
Stephen Hemminger | 290d4de | 2006-03-20 15:48:15 -0800 | [diff] [blame] | 2542 | /* set Status-FIFO ISR watermark */ |
| 2543 | if (hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev == 0) |
| 2544 | sky2_write8(hw, STAT_FIFO_ISR_WM, 4); |
| 2545 | else |
| 2546 | sky2_write8(hw, STAT_FIFO_ISR_WM, 16); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2547 | |
Stephen Hemminger | 290d4de | 2006-03-20 15:48:15 -0800 | [diff] [blame] | 2548 | sky2_write32(hw, STAT_TX_TIMER_INI, sky2_us2clk(hw, 1000)); |
Stephen Hemminger | 77b3d6a | 2006-03-20 15:48:18 -0800 | [diff] [blame] | 2549 | sky2_write32(hw, STAT_ISR_TIMER_INI, sky2_us2clk(hw, 20)); |
| 2550 | sky2_write32(hw, STAT_LEV_TIMER_INI, sky2_us2clk(hw, 100)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2551 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2552 | /* enable status unit */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2553 | sky2_write32(hw, STAT_CTRL, SC_STAT_OP_ON); |
| 2554 | |
| 2555 | sky2_write8(hw, STAT_TX_TIMER_CTRL, TIM_START); |
| 2556 | sky2_write8(hw, STAT_LEV_TIMER_CTRL, TIM_START); |
| 2557 | sky2_write8(hw, STAT_ISR_TIMER_CTRL, TIM_START); |
| 2558 | |
| 2559 | return 0; |
| 2560 | } |
| 2561 | |
Stephen Hemminger | 28bd181 | 2006-01-17 13:43:19 -0800 | [diff] [blame] | 2562 | static u32 sky2_supported_modes(const struct sky2_hw *hw) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2563 | { |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 2564 | if (sky2_is_copper(hw)) { |
| 2565 | u32 modes = SUPPORTED_10baseT_Half |
| 2566 | | SUPPORTED_10baseT_Full |
| 2567 | | SUPPORTED_100baseT_Half |
| 2568 | | SUPPORTED_100baseT_Full |
| 2569 | | SUPPORTED_Autoneg | SUPPORTED_TP; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2570 | |
| 2571 | if (hw->chip_id != CHIP_ID_YUKON_FE) |
| 2572 | modes |= SUPPORTED_1000baseT_Half |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 2573 | | SUPPORTED_1000baseT_Full; |
| 2574 | return modes; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2575 | } else |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 2576 | return SUPPORTED_1000baseT_Half |
| 2577 | | SUPPORTED_1000baseT_Full |
| 2578 | | SUPPORTED_Autoneg |
| 2579 | | SUPPORTED_FIBRE; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2580 | } |
| 2581 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2582 | 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] | 2583 | { |
| 2584 | struct sky2_port *sky2 = netdev_priv(dev); |
| 2585 | struct sky2_hw *hw = sky2->hw; |
| 2586 | |
| 2587 | ecmd->transceiver = XCVR_INTERNAL; |
| 2588 | ecmd->supported = sky2_supported_modes(hw); |
| 2589 | ecmd->phy_address = PHY_ADDR_MARV; |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 2590 | if (sky2_is_copper(hw)) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2591 | ecmd->supported = SUPPORTED_10baseT_Half |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2592 | | SUPPORTED_10baseT_Full |
| 2593 | | SUPPORTED_100baseT_Half |
| 2594 | | SUPPORTED_100baseT_Full |
| 2595 | | SUPPORTED_1000baseT_Half |
| 2596 | | SUPPORTED_1000baseT_Full |
| 2597 | | SUPPORTED_Autoneg | SUPPORTED_TP; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2598 | ecmd->port = PORT_TP; |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 2599 | ecmd->speed = sky2->speed; |
| 2600 | } else { |
| 2601 | ecmd->speed = SPEED_1000; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2602 | ecmd->port = PORT_FIBRE; |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 2603 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2604 | |
| 2605 | ecmd->advertising = sky2->advertising; |
| 2606 | ecmd->autoneg = sky2->autoneg; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2607 | ecmd->duplex = sky2->duplex; |
| 2608 | return 0; |
| 2609 | } |
| 2610 | |
| 2611 | static int sky2_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd) |
| 2612 | { |
| 2613 | struct sky2_port *sky2 = netdev_priv(dev); |
| 2614 | const struct sky2_hw *hw = sky2->hw; |
| 2615 | u32 supported = sky2_supported_modes(hw); |
| 2616 | |
| 2617 | if (ecmd->autoneg == AUTONEG_ENABLE) { |
| 2618 | ecmd->advertising = supported; |
| 2619 | sky2->duplex = -1; |
| 2620 | sky2->speed = -1; |
| 2621 | } else { |
| 2622 | u32 setting; |
| 2623 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2624 | switch (ecmd->speed) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2625 | case SPEED_1000: |
| 2626 | if (ecmd->duplex == DUPLEX_FULL) |
| 2627 | setting = SUPPORTED_1000baseT_Full; |
| 2628 | else if (ecmd->duplex == DUPLEX_HALF) |
| 2629 | setting = SUPPORTED_1000baseT_Half; |
| 2630 | else |
| 2631 | return -EINVAL; |
| 2632 | break; |
| 2633 | case SPEED_100: |
| 2634 | if (ecmd->duplex == DUPLEX_FULL) |
| 2635 | setting = SUPPORTED_100baseT_Full; |
| 2636 | else if (ecmd->duplex == DUPLEX_HALF) |
| 2637 | setting = SUPPORTED_100baseT_Half; |
| 2638 | else |
| 2639 | return -EINVAL; |
| 2640 | break; |
| 2641 | |
| 2642 | case SPEED_10: |
| 2643 | if (ecmd->duplex == DUPLEX_FULL) |
| 2644 | setting = SUPPORTED_10baseT_Full; |
| 2645 | else if (ecmd->duplex == DUPLEX_HALF) |
| 2646 | setting = SUPPORTED_10baseT_Half; |
| 2647 | else |
| 2648 | return -EINVAL; |
| 2649 | break; |
| 2650 | default: |
| 2651 | return -EINVAL; |
| 2652 | } |
| 2653 | |
| 2654 | if ((setting & supported) == 0) |
| 2655 | return -EINVAL; |
| 2656 | |
| 2657 | sky2->speed = ecmd->speed; |
| 2658 | sky2->duplex = ecmd->duplex; |
| 2659 | } |
| 2660 | |
| 2661 | sky2->autoneg = ecmd->autoneg; |
| 2662 | sky2->advertising = ecmd->advertising; |
| 2663 | |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 2664 | if (netif_running(dev)) |
| 2665 | sky2_phy_reinit(sky2); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2666 | |
| 2667 | return 0; |
| 2668 | } |
| 2669 | |
| 2670 | static void sky2_get_drvinfo(struct net_device *dev, |
| 2671 | struct ethtool_drvinfo *info) |
| 2672 | { |
| 2673 | struct sky2_port *sky2 = netdev_priv(dev); |
| 2674 | |
| 2675 | strcpy(info->driver, DRV_NAME); |
| 2676 | strcpy(info->version, DRV_VERSION); |
| 2677 | strcpy(info->fw_version, "N/A"); |
| 2678 | strcpy(info->bus_info, pci_name(sky2->hw->pdev)); |
| 2679 | } |
| 2680 | |
| 2681 | static const struct sky2_stat { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2682 | char name[ETH_GSTRING_LEN]; |
| 2683 | u16 offset; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2684 | } sky2_stats[] = { |
| 2685 | { "tx_bytes", GM_TXO_OK_HI }, |
| 2686 | { "rx_bytes", GM_RXO_OK_HI }, |
| 2687 | { "tx_broadcast", GM_TXF_BC_OK }, |
| 2688 | { "rx_broadcast", GM_RXF_BC_OK }, |
| 2689 | { "tx_multicast", GM_TXF_MC_OK }, |
| 2690 | { "rx_multicast", GM_RXF_MC_OK }, |
| 2691 | { "tx_unicast", GM_TXF_UC_OK }, |
| 2692 | { "rx_unicast", GM_RXF_UC_OK }, |
| 2693 | { "tx_mac_pause", GM_TXF_MPAUSE }, |
| 2694 | { "rx_mac_pause", GM_RXF_MPAUSE }, |
Stephen Hemminger | eadfa7d | 2006-03-22 10:38:45 -0800 | [diff] [blame] | 2695 | { "collisions", GM_TXF_COL }, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2696 | { "late_collision",GM_TXF_LAT_COL }, |
| 2697 | { "aborted", GM_TXF_ABO_COL }, |
Stephen Hemminger | eadfa7d | 2006-03-22 10:38:45 -0800 | [diff] [blame] | 2698 | { "single_collisions", GM_TXF_SNG_COL }, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2699 | { "multi_collisions", GM_TXF_MUL_COL }, |
Stephen Hemminger | eadfa7d | 2006-03-22 10:38:45 -0800 | [diff] [blame] | 2700 | |
Stephen Hemminger | d260454 | 2006-03-23 08:51:36 -0800 | [diff] [blame] | 2701 | { "rx_short", GM_RXF_SHT }, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2702 | { "rx_runt", GM_RXE_FRAG }, |
Stephen Hemminger | eadfa7d | 2006-03-22 10:38:45 -0800 | [diff] [blame] | 2703 | { "rx_64_byte_packets", GM_RXF_64B }, |
| 2704 | { "rx_65_to_127_byte_packets", GM_RXF_127B }, |
| 2705 | { "rx_128_to_255_byte_packets", GM_RXF_255B }, |
| 2706 | { "rx_256_to_511_byte_packets", GM_RXF_511B }, |
| 2707 | { "rx_512_to_1023_byte_packets", GM_RXF_1023B }, |
| 2708 | { "rx_1024_to_1518_byte_packets", GM_RXF_1518B }, |
| 2709 | { "rx_1518_to_max_byte_packets", GM_RXF_MAX_SZ }, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2710 | { "rx_too_long", GM_RXF_LNG_ERR }, |
Stephen Hemminger | eadfa7d | 2006-03-22 10:38:45 -0800 | [diff] [blame] | 2711 | { "rx_fifo_overflow", GM_RXE_FIFO_OV }, |
| 2712 | { "rx_jabber", GM_RXF_JAB_PKT }, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2713 | { "rx_fcs_error", GM_RXF_FCS_ERR }, |
Stephen Hemminger | eadfa7d | 2006-03-22 10:38:45 -0800 | [diff] [blame] | 2714 | |
| 2715 | { "tx_64_byte_packets", GM_TXF_64B }, |
| 2716 | { "tx_65_to_127_byte_packets", GM_TXF_127B }, |
| 2717 | { "tx_128_to_255_byte_packets", GM_TXF_255B }, |
| 2718 | { "tx_256_to_511_byte_packets", GM_TXF_511B }, |
| 2719 | { "tx_512_to_1023_byte_packets", GM_TXF_1023B }, |
| 2720 | { "tx_1024_to_1518_byte_packets", GM_TXF_1518B }, |
| 2721 | { "tx_1519_to_max_byte_packets", GM_TXF_MAX_SZ }, |
| 2722 | { "tx_fifo_underrun", GM_TXE_FIFO_UR }, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2723 | }; |
| 2724 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2725 | static u32 sky2_get_rx_csum(struct net_device *dev) |
| 2726 | { |
| 2727 | struct sky2_port *sky2 = netdev_priv(dev); |
| 2728 | |
| 2729 | return sky2->rx_csum; |
| 2730 | } |
| 2731 | |
| 2732 | static int sky2_set_rx_csum(struct net_device *dev, u32 data) |
| 2733 | { |
| 2734 | struct sky2_port *sky2 = netdev_priv(dev); |
| 2735 | |
| 2736 | sky2->rx_csum = data; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2737 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2738 | sky2_write32(sky2->hw, Q_ADDR(rxqaddr[sky2->port], Q_CSR), |
| 2739 | data ? BMU_ENA_RX_CHKSUM : BMU_DIS_RX_CHKSUM); |
| 2740 | |
| 2741 | return 0; |
| 2742 | } |
| 2743 | |
| 2744 | static u32 sky2_get_msglevel(struct net_device *netdev) |
| 2745 | { |
| 2746 | struct sky2_port *sky2 = netdev_priv(netdev); |
| 2747 | return sky2->msg_enable; |
| 2748 | } |
| 2749 | |
Stephen Hemminger | 9a7ae0a | 2005-09-27 15:28:42 -0700 | [diff] [blame] | 2750 | static int sky2_nway_reset(struct net_device *dev) |
| 2751 | { |
| 2752 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | 9a7ae0a | 2005-09-27 15:28:42 -0700 | [diff] [blame] | 2753 | |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 2754 | if (!netif_running(dev) || sky2->autoneg != AUTONEG_ENABLE) |
Stephen Hemminger | 9a7ae0a | 2005-09-27 15:28:42 -0700 | [diff] [blame] | 2755 | return -EINVAL; |
| 2756 | |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 2757 | sky2_phy_reinit(sky2); |
Stephen Hemminger | 9a7ae0a | 2005-09-27 15:28:42 -0700 | [diff] [blame] | 2758 | |
| 2759 | return 0; |
| 2760 | } |
| 2761 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2762 | 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] | 2763 | { |
| 2764 | struct sky2_hw *hw = sky2->hw; |
| 2765 | unsigned port = sky2->port; |
| 2766 | int i; |
| 2767 | |
| 2768 | data[0] = (u64) gma_read32(hw, port, GM_TXO_OK_HI) << 32 |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2769 | | (u64) gma_read32(hw, port, GM_TXO_OK_LO); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2770 | data[1] = (u64) gma_read32(hw, port, GM_RXO_OK_HI) << 32 |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2771 | | (u64) gma_read32(hw, port, GM_RXO_OK_LO); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2772 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2773 | for (i = 2; i < count; i++) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2774 | data[i] = (u64) gma_read32(hw, port, sky2_stats[i].offset); |
| 2775 | } |
| 2776 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2777 | static void sky2_set_msglevel(struct net_device *netdev, u32 value) |
| 2778 | { |
| 2779 | struct sky2_port *sky2 = netdev_priv(netdev); |
| 2780 | sky2->msg_enable = value; |
| 2781 | } |
| 2782 | |
| 2783 | static int sky2_get_stats_count(struct net_device *dev) |
| 2784 | { |
| 2785 | return ARRAY_SIZE(sky2_stats); |
| 2786 | } |
| 2787 | |
| 2788 | static void sky2_get_ethtool_stats(struct net_device *dev, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2789 | struct ethtool_stats *stats, u64 * data) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2790 | { |
| 2791 | struct sky2_port *sky2 = netdev_priv(dev); |
| 2792 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2793 | sky2_phy_stats(sky2, data, ARRAY_SIZE(sky2_stats)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2794 | } |
| 2795 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2796 | 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] | 2797 | { |
| 2798 | int i; |
| 2799 | |
| 2800 | switch (stringset) { |
| 2801 | case ETH_SS_STATS: |
| 2802 | for (i = 0; i < ARRAY_SIZE(sky2_stats); i++) |
| 2803 | memcpy(data + i * ETH_GSTRING_LEN, |
| 2804 | sky2_stats[i].name, ETH_GSTRING_LEN); |
| 2805 | break; |
| 2806 | } |
| 2807 | } |
| 2808 | |
| 2809 | /* Use hardware MIB variables for critical path statistics and |
| 2810 | * transmit feedback not reported at interrupt. |
| 2811 | * Other errors are accounted for in interrupt handler. |
| 2812 | */ |
| 2813 | static struct net_device_stats *sky2_get_stats(struct net_device *dev) |
| 2814 | { |
| 2815 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2816 | u64 data[13]; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2817 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2818 | sky2_phy_stats(sky2, data, ARRAY_SIZE(data)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2819 | |
| 2820 | sky2->net_stats.tx_bytes = data[0]; |
| 2821 | sky2->net_stats.rx_bytes = data[1]; |
| 2822 | sky2->net_stats.tx_packets = data[2] + data[4] + data[6]; |
| 2823 | sky2->net_stats.rx_packets = data[3] + data[5] + data[7]; |
Stephen Hemminger | 050ff18 | 2006-03-23 08:51:37 -0800 | [diff] [blame] | 2824 | sky2->net_stats.multicast = data[3] + data[5]; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2825 | sky2->net_stats.collisions = data[10]; |
| 2826 | sky2->net_stats.tx_aborted_errors = data[12]; |
| 2827 | |
| 2828 | return &sky2->net_stats; |
| 2829 | } |
| 2830 | |
| 2831 | static int sky2_set_mac_address(struct net_device *dev, void *p) |
| 2832 | { |
| 2833 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | a8ab1ec | 2006-01-30 11:37:57 -0800 | [diff] [blame] | 2834 | struct sky2_hw *hw = sky2->hw; |
| 2835 | unsigned port = sky2->port; |
| 2836 | const struct sockaddr *addr = p; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2837 | |
| 2838 | if (!is_valid_ether_addr(addr->sa_data)) |
| 2839 | return -EADDRNOTAVAIL; |
| 2840 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2841 | memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN); |
Stephen Hemminger | a8ab1ec | 2006-01-30 11:37:57 -0800 | [diff] [blame] | 2842 | memcpy_toio(hw->regs + B2_MAC_1 + port * 8, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2843 | dev->dev_addr, ETH_ALEN); |
Stephen Hemminger | a8ab1ec | 2006-01-30 11:37:57 -0800 | [diff] [blame] | 2844 | memcpy_toio(hw->regs + B2_MAC_2 + port * 8, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2845 | dev->dev_addr, ETH_ALEN); |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 2846 | |
Stephen Hemminger | a8ab1ec | 2006-01-30 11:37:57 -0800 | [diff] [blame] | 2847 | /* virtual address for data */ |
| 2848 | gma_set_addr(hw, port, GM_SRC_ADDR_2L, dev->dev_addr); |
| 2849 | |
| 2850 | /* physical address: used for pause frames */ |
| 2851 | gma_set_addr(hw, port, GM_SRC_ADDR_1L, dev->dev_addr); |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 2852 | |
| 2853 | return 0; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2854 | } |
| 2855 | |
Stephen Hemminger | a052b52 | 2006-10-17 10:24:23 -0700 | [diff] [blame] | 2856 | static void inline sky2_add_filter(u8 filter[8], const u8 *addr) |
| 2857 | { |
| 2858 | u32 bit; |
| 2859 | |
| 2860 | bit = ether_crc(ETH_ALEN, addr) & 63; |
| 2861 | filter[bit >> 3] |= 1 << (bit & 7); |
| 2862 | } |
| 2863 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2864 | static void sky2_set_multicast(struct net_device *dev) |
| 2865 | { |
| 2866 | struct sky2_port *sky2 = netdev_priv(dev); |
| 2867 | struct sky2_hw *hw = sky2->hw; |
| 2868 | unsigned port = sky2->port; |
| 2869 | struct dev_mc_list *list = dev->mc_list; |
| 2870 | u16 reg; |
| 2871 | u8 filter[8]; |
Stephen Hemminger | a052b52 | 2006-10-17 10:24:23 -0700 | [diff] [blame] | 2872 | int rx_pause; |
| 2873 | 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] | 2874 | |
Stephen Hemminger | a052b52 | 2006-10-17 10:24:23 -0700 | [diff] [blame] | 2875 | rx_pause = (sky2->flow_status == FC_RX || sky2->flow_status == FC_BOTH); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2876 | memset(filter, 0, sizeof(filter)); |
| 2877 | |
| 2878 | reg = gma_read16(hw, port, GM_RX_CTRL); |
| 2879 | reg |= GM_RXCR_UCF_ENA; |
| 2880 | |
shemminger@osdl.org | d571b69 | 2005-10-26 12:16:09 -0700 | [diff] [blame] | 2881 | if (dev->flags & IFF_PROMISC) /* promiscuous */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2882 | reg &= ~(GM_RXCR_UCF_ENA | GM_RXCR_MCF_ENA); |
Stephen Hemminger | a052b52 | 2006-10-17 10:24:23 -0700 | [diff] [blame] | 2883 | else if (dev->flags & IFF_ALLMULTI) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2884 | memset(filter, 0xff, sizeof(filter)); |
Stephen Hemminger | a052b52 | 2006-10-17 10:24:23 -0700 | [diff] [blame] | 2885 | else if (dev->mc_count == 0 && !rx_pause) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2886 | reg &= ~GM_RXCR_MCF_ENA; |
| 2887 | else { |
| 2888 | int i; |
| 2889 | reg |= GM_RXCR_MCF_ENA; |
| 2890 | |
Stephen Hemminger | a052b52 | 2006-10-17 10:24:23 -0700 | [diff] [blame] | 2891 | if (rx_pause) |
| 2892 | sky2_add_filter(filter, pause_mc_addr); |
| 2893 | |
| 2894 | for (i = 0; list && i < dev->mc_count; i++, list = list->next) |
| 2895 | sky2_add_filter(filter, list->dmi_addr); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2896 | } |
| 2897 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2898 | gma_write16(hw, port, GM_MC_ADDR_H1, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2899 | (u16) filter[0] | ((u16) filter[1] << 8)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2900 | gma_write16(hw, port, GM_MC_ADDR_H2, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2901 | (u16) filter[2] | ((u16) filter[3] << 8)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2902 | gma_write16(hw, port, GM_MC_ADDR_H3, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2903 | (u16) filter[4] | ((u16) filter[5] << 8)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2904 | gma_write16(hw, port, GM_MC_ADDR_H4, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2905 | (u16) filter[6] | ((u16) filter[7] << 8)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2906 | |
| 2907 | gma_write16(hw, port, GM_RX_CTRL, reg); |
| 2908 | } |
| 2909 | |
| 2910 | /* Can have one global because blinking is controlled by |
| 2911 | * ethtool and that is always under RTNL mutex |
| 2912 | */ |
Stephen Hemminger | 91c86df | 2005-12-09 11:34:57 -0800 | [diff] [blame] | 2913 | static void sky2_led(struct sky2_hw *hw, unsigned port, int on) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2914 | { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2915 | u16 pg; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2916 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2917 | switch (hw->chip_id) { |
| 2918 | case CHIP_ID_YUKON_XL: |
| 2919 | pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); |
| 2920 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 3); |
| 2921 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, |
| 2922 | on ? (PHY_M_LEDC_LOS_CTRL(1) | |
| 2923 | PHY_M_LEDC_INIT_CTRL(7) | |
| 2924 | PHY_M_LEDC_STA1_CTRL(7) | |
| 2925 | PHY_M_LEDC_STA0_CTRL(7)) |
| 2926 | : 0); |
| 2927 | |
| 2928 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg); |
| 2929 | break; |
| 2930 | |
| 2931 | default: |
| 2932 | gm_phy_write(hw, port, PHY_MARV_LED_CTRL, 0); |
Stephen Hemminger | 0efdf26 | 2006-12-05 12:03:41 -0800 | [diff] [blame] | 2933 | gm_phy_write(hw, port, PHY_MARV_LED_OVER, |
| 2934 | on ? PHY_M_LED_ALL : 0); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2935 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2936 | } |
| 2937 | |
| 2938 | /* blink LED's for finding board */ |
| 2939 | static int sky2_phys_id(struct net_device *dev, u32 data) |
| 2940 | { |
| 2941 | struct sky2_port *sky2 = netdev_priv(dev); |
| 2942 | struct sky2_hw *hw = sky2->hw; |
| 2943 | unsigned port = sky2->port; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2944 | u16 ledctrl, ledover = 0; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2945 | long ms; |
Stephen Hemminger | 91c86df | 2005-12-09 11:34:57 -0800 | [diff] [blame] | 2946 | int interrupted; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2947 | int onoff = 1; |
| 2948 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2949 | if (!data || data > (u32) (MAX_SCHEDULE_TIMEOUT / HZ)) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2950 | ms = jiffies_to_msecs(MAX_SCHEDULE_TIMEOUT); |
| 2951 | else |
| 2952 | ms = data * 1000; |
| 2953 | |
| 2954 | /* save initial values */ |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2955 | spin_lock_bh(&sky2->phy_lock); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2956 | if (hw->chip_id == CHIP_ID_YUKON_XL) { |
| 2957 | u16 pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); |
| 2958 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 3); |
| 2959 | ledctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL); |
| 2960 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg); |
| 2961 | } else { |
| 2962 | ledctrl = gm_phy_read(hw, port, PHY_MARV_LED_CTRL); |
| 2963 | ledover = gm_phy_read(hw, port, PHY_MARV_LED_OVER); |
| 2964 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2965 | |
Stephen Hemminger | 91c86df | 2005-12-09 11:34:57 -0800 | [diff] [blame] | 2966 | interrupted = 0; |
| 2967 | while (!interrupted && ms > 0) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2968 | sky2_led(hw, port, onoff); |
| 2969 | onoff = !onoff; |
| 2970 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2971 | spin_unlock_bh(&sky2->phy_lock); |
Stephen Hemminger | 91c86df | 2005-12-09 11:34:57 -0800 | [diff] [blame] | 2972 | interrupted = msleep_interruptible(250); |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2973 | spin_lock_bh(&sky2->phy_lock); |
Stephen Hemminger | 91c86df | 2005-12-09 11:34:57 -0800 | [diff] [blame] | 2974 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2975 | ms -= 250; |
| 2976 | } |
| 2977 | |
| 2978 | /* resume regularly scheduled programming */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2979 | if (hw->chip_id == CHIP_ID_YUKON_XL) { |
| 2980 | u16 pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); |
| 2981 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 3); |
| 2982 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ledctrl); |
| 2983 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg); |
| 2984 | } else { |
| 2985 | gm_phy_write(hw, port, PHY_MARV_LED_CTRL, ledctrl); |
| 2986 | gm_phy_write(hw, port, PHY_MARV_LED_OVER, ledover); |
| 2987 | } |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2988 | spin_unlock_bh(&sky2->phy_lock); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2989 | |
| 2990 | return 0; |
| 2991 | } |
| 2992 | |
| 2993 | static void sky2_get_pauseparam(struct net_device *dev, |
| 2994 | struct ethtool_pauseparam *ecmd) |
| 2995 | { |
| 2996 | struct sky2_port *sky2 = netdev_priv(dev); |
| 2997 | |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 2998 | switch (sky2->flow_mode) { |
| 2999 | case FC_NONE: |
| 3000 | ecmd->tx_pause = ecmd->rx_pause = 0; |
| 3001 | break; |
| 3002 | case FC_TX: |
| 3003 | ecmd->tx_pause = 1, ecmd->rx_pause = 0; |
| 3004 | break; |
| 3005 | case FC_RX: |
| 3006 | ecmd->tx_pause = 0, ecmd->rx_pause = 1; |
| 3007 | break; |
| 3008 | case FC_BOTH: |
| 3009 | ecmd->tx_pause = ecmd->rx_pause = 1; |
| 3010 | } |
| 3011 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3012 | ecmd->autoneg = sky2->autoneg; |
| 3013 | } |
| 3014 | |
| 3015 | static int sky2_set_pauseparam(struct net_device *dev, |
| 3016 | struct ethtool_pauseparam *ecmd) |
| 3017 | { |
| 3018 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3019 | |
| 3020 | sky2->autoneg = ecmd->autoneg; |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 3021 | sky2->flow_mode = sky2_flow(ecmd->rx_pause, ecmd->tx_pause); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3022 | |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 3023 | if (netif_running(dev)) |
| 3024 | sky2_phy_reinit(sky2); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3025 | |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 3026 | return 0; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3027 | } |
| 3028 | |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 3029 | static int sky2_get_coalesce(struct net_device *dev, |
| 3030 | struct ethtool_coalesce *ecmd) |
| 3031 | { |
| 3032 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3033 | struct sky2_hw *hw = sky2->hw; |
| 3034 | |
| 3035 | if (sky2_read8(hw, STAT_TX_TIMER_CTRL) == TIM_STOP) |
| 3036 | ecmd->tx_coalesce_usecs = 0; |
| 3037 | else { |
| 3038 | u32 clks = sky2_read32(hw, STAT_TX_TIMER_INI); |
| 3039 | ecmd->tx_coalesce_usecs = sky2_clk2us(hw, clks); |
| 3040 | } |
| 3041 | ecmd->tx_max_coalesced_frames = sky2_read16(hw, STAT_TX_IDX_TH); |
| 3042 | |
| 3043 | if (sky2_read8(hw, STAT_LEV_TIMER_CTRL) == TIM_STOP) |
| 3044 | ecmd->rx_coalesce_usecs = 0; |
| 3045 | else { |
| 3046 | u32 clks = sky2_read32(hw, STAT_LEV_TIMER_INI); |
| 3047 | ecmd->rx_coalesce_usecs = sky2_clk2us(hw, clks); |
| 3048 | } |
| 3049 | ecmd->rx_max_coalesced_frames = sky2_read8(hw, STAT_FIFO_WM); |
| 3050 | |
| 3051 | if (sky2_read8(hw, STAT_ISR_TIMER_CTRL) == TIM_STOP) |
| 3052 | ecmd->rx_coalesce_usecs_irq = 0; |
| 3053 | else { |
| 3054 | u32 clks = sky2_read32(hw, STAT_ISR_TIMER_INI); |
| 3055 | ecmd->rx_coalesce_usecs_irq = sky2_clk2us(hw, clks); |
| 3056 | } |
| 3057 | |
| 3058 | ecmd->rx_max_coalesced_frames_irq = sky2_read8(hw, STAT_FIFO_ISR_WM); |
| 3059 | |
| 3060 | return 0; |
| 3061 | } |
| 3062 | |
| 3063 | /* Note: this affect both ports */ |
| 3064 | static int sky2_set_coalesce(struct net_device *dev, |
| 3065 | struct ethtool_coalesce *ecmd) |
| 3066 | { |
| 3067 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3068 | struct sky2_hw *hw = sky2->hw; |
Stephen Hemminger | 77b3d6a | 2006-03-20 15:48:18 -0800 | [diff] [blame] | 3069 | const u32 tmax = sky2_clk2us(hw, 0x0ffffff); |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 3070 | |
Stephen Hemminger | 77b3d6a | 2006-03-20 15:48:18 -0800 | [diff] [blame] | 3071 | if (ecmd->tx_coalesce_usecs > tmax || |
| 3072 | ecmd->rx_coalesce_usecs > tmax || |
| 3073 | ecmd->rx_coalesce_usecs_irq > tmax) |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 3074 | return -EINVAL; |
| 3075 | |
Stephen Hemminger | ff81fbb | 2006-02-22 11:44:59 -0800 | [diff] [blame] | 3076 | if (ecmd->tx_max_coalesced_frames >= TX_RING_SIZE-1) |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 3077 | return -EINVAL; |
Stephen Hemminger | ff81fbb | 2006-02-22 11:44:59 -0800 | [diff] [blame] | 3078 | if (ecmd->rx_max_coalesced_frames > RX_MAX_PENDING) |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 3079 | return -EINVAL; |
Stephen Hemminger | ff81fbb | 2006-02-22 11:44:59 -0800 | [diff] [blame] | 3080 | if (ecmd->rx_max_coalesced_frames_irq >RX_MAX_PENDING) |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 3081 | return -EINVAL; |
| 3082 | |
| 3083 | if (ecmd->tx_coalesce_usecs == 0) |
| 3084 | sky2_write8(hw, STAT_TX_TIMER_CTRL, TIM_STOP); |
| 3085 | else { |
| 3086 | sky2_write32(hw, STAT_TX_TIMER_INI, |
| 3087 | sky2_us2clk(hw, ecmd->tx_coalesce_usecs)); |
| 3088 | sky2_write8(hw, STAT_TX_TIMER_CTRL, TIM_START); |
| 3089 | } |
| 3090 | sky2_write16(hw, STAT_TX_IDX_TH, ecmd->tx_max_coalesced_frames); |
| 3091 | |
| 3092 | if (ecmd->rx_coalesce_usecs == 0) |
| 3093 | sky2_write8(hw, STAT_LEV_TIMER_CTRL, TIM_STOP); |
| 3094 | else { |
| 3095 | sky2_write32(hw, STAT_LEV_TIMER_INI, |
| 3096 | sky2_us2clk(hw, ecmd->rx_coalesce_usecs)); |
| 3097 | sky2_write8(hw, STAT_LEV_TIMER_CTRL, TIM_START); |
| 3098 | } |
| 3099 | sky2_write8(hw, STAT_FIFO_WM, ecmd->rx_max_coalesced_frames); |
| 3100 | |
| 3101 | if (ecmd->rx_coalesce_usecs_irq == 0) |
| 3102 | sky2_write8(hw, STAT_ISR_TIMER_CTRL, TIM_STOP); |
| 3103 | else { |
Stephen Hemminger | d28d487 | 2006-01-30 11:37:56 -0800 | [diff] [blame] | 3104 | sky2_write32(hw, STAT_ISR_TIMER_INI, |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 3105 | sky2_us2clk(hw, ecmd->rx_coalesce_usecs_irq)); |
| 3106 | sky2_write8(hw, STAT_ISR_TIMER_CTRL, TIM_START); |
| 3107 | } |
| 3108 | sky2_write8(hw, STAT_FIFO_ISR_WM, ecmd->rx_max_coalesced_frames_irq); |
| 3109 | return 0; |
| 3110 | } |
| 3111 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3112 | static void sky2_get_ringparam(struct net_device *dev, |
| 3113 | struct ethtool_ringparam *ering) |
| 3114 | { |
| 3115 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3116 | |
| 3117 | ering->rx_max_pending = RX_MAX_PENDING; |
| 3118 | ering->rx_mini_max_pending = 0; |
| 3119 | ering->rx_jumbo_max_pending = 0; |
| 3120 | ering->tx_max_pending = TX_RING_SIZE - 1; |
| 3121 | |
| 3122 | ering->rx_pending = sky2->rx_pending; |
| 3123 | ering->rx_mini_pending = 0; |
| 3124 | ering->rx_jumbo_pending = 0; |
| 3125 | ering->tx_pending = sky2->tx_pending; |
| 3126 | } |
| 3127 | |
| 3128 | static int sky2_set_ringparam(struct net_device *dev, |
| 3129 | struct ethtool_ringparam *ering) |
| 3130 | { |
| 3131 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3132 | int err = 0; |
| 3133 | |
| 3134 | if (ering->rx_pending > RX_MAX_PENDING || |
| 3135 | ering->rx_pending < 8 || |
| 3136 | ering->tx_pending < MAX_SKB_TX_LE || |
| 3137 | ering->tx_pending > TX_RING_SIZE - 1) |
| 3138 | return -EINVAL; |
| 3139 | |
| 3140 | if (netif_running(dev)) |
| 3141 | sky2_down(dev); |
| 3142 | |
| 3143 | sky2->rx_pending = ering->rx_pending; |
| 3144 | sky2->tx_pending = ering->tx_pending; |
| 3145 | |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 3146 | if (netif_running(dev)) { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3147 | err = sky2_up(dev); |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 3148 | if (err) |
| 3149 | dev_close(dev); |
Stephen Hemminger | 6ed995b | 2005-12-20 15:08:08 -0800 | [diff] [blame] | 3150 | else |
| 3151 | sky2_set_multicast(dev); |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 3152 | } |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3153 | |
| 3154 | return err; |
| 3155 | } |
| 3156 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3157 | static int sky2_get_regs_len(struct net_device *dev) |
| 3158 | { |
Stephen Hemminger | 6e4cbb3 | 2005-09-19 15:47:57 -0700 | [diff] [blame] | 3159 | return 0x4000; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3160 | } |
| 3161 | |
| 3162 | /* |
| 3163 | * Returns copy of control register region |
Stephen Hemminger | 6e4cbb3 | 2005-09-19 15:47:57 -0700 | [diff] [blame] | 3164 | * Note: access to the RAM address register set will cause timeouts. |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3165 | */ |
| 3166 | static void sky2_get_regs(struct net_device *dev, struct ethtool_regs *regs, |
| 3167 | void *p) |
| 3168 | { |
| 3169 | const struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3170 | const void __iomem *io = sky2->hw->regs; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3171 | |
Stephen Hemminger | 6e4cbb3 | 2005-09-19 15:47:57 -0700 | [diff] [blame] | 3172 | BUG_ON(regs->len < B3_RI_WTO_R1); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3173 | regs->version = 1; |
Stephen Hemminger | 6e4cbb3 | 2005-09-19 15:47:57 -0700 | [diff] [blame] | 3174 | memset(p, 0, regs->len); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3175 | |
Stephen Hemminger | 6e4cbb3 | 2005-09-19 15:47:57 -0700 | [diff] [blame] | 3176 | memcpy_fromio(p, io, B3_RAM_ADDR); |
| 3177 | |
| 3178 | memcpy_fromio(p + B3_RI_WTO_R1, |
| 3179 | io + B3_RI_WTO_R1, |
| 3180 | regs->len - B3_RI_WTO_R1); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3181 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3182 | |
Jeff Garzik | 7282d49 | 2006-09-13 14:30:00 -0400 | [diff] [blame] | 3183 | static const struct ethtool_ops sky2_ethtool_ops = { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3184 | .get_settings = sky2_get_settings, |
| 3185 | .set_settings = sky2_set_settings, |
| 3186 | .get_drvinfo = sky2_get_drvinfo, |
| 3187 | .get_msglevel = sky2_get_msglevel, |
| 3188 | .set_msglevel = sky2_set_msglevel, |
Stephen Hemminger | 9a7ae0a | 2005-09-27 15:28:42 -0700 | [diff] [blame] | 3189 | .nway_reset = sky2_nway_reset, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3190 | .get_regs_len = sky2_get_regs_len, |
| 3191 | .get_regs = sky2_get_regs, |
| 3192 | .get_link = ethtool_op_get_link, |
| 3193 | .get_sg = ethtool_op_get_sg, |
| 3194 | .set_sg = ethtool_op_set_sg, |
| 3195 | .get_tx_csum = ethtool_op_get_tx_csum, |
| 3196 | .set_tx_csum = ethtool_op_set_tx_csum, |
| 3197 | .get_tso = ethtool_op_get_tso, |
| 3198 | .set_tso = ethtool_op_set_tso, |
| 3199 | .get_rx_csum = sky2_get_rx_csum, |
| 3200 | .set_rx_csum = sky2_set_rx_csum, |
| 3201 | .get_strings = sky2_get_strings, |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 3202 | .get_coalesce = sky2_get_coalesce, |
| 3203 | .set_coalesce = sky2_set_coalesce, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3204 | .get_ringparam = sky2_get_ringparam, |
| 3205 | .set_ringparam = sky2_set_ringparam, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3206 | .get_pauseparam = sky2_get_pauseparam, |
| 3207 | .set_pauseparam = sky2_set_pauseparam, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3208 | .phys_id = sky2_phys_id, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3209 | .get_stats_count = sky2_get_stats_count, |
| 3210 | .get_ethtool_stats = sky2_get_ethtool_stats, |
Stephen Hemminger | 2995bfb | 2005-09-28 10:01:03 -0700 | [diff] [blame] | 3211 | .get_perm_addr = ethtool_op_get_perm_addr, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3212 | }; |
| 3213 | |
| 3214 | /* Initialize network device */ |
| 3215 | static __devinit struct net_device *sky2_init_netdev(struct sky2_hw *hw, |
| 3216 | unsigned port, int highmem) |
| 3217 | { |
| 3218 | struct sky2_port *sky2; |
| 3219 | struct net_device *dev = alloc_etherdev(sizeof(*sky2)); |
| 3220 | |
| 3221 | if (!dev) { |
| 3222 | printk(KERN_ERR "sky2 etherdev alloc failed"); |
| 3223 | return NULL; |
| 3224 | } |
| 3225 | |
| 3226 | SET_MODULE_OWNER(dev); |
| 3227 | SET_NETDEV_DEV(dev, &hw->pdev->dev); |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 3228 | dev->irq = hw->pdev->irq; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3229 | dev->open = sky2_up; |
| 3230 | dev->stop = sky2_down; |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 3231 | dev->do_ioctl = sky2_ioctl; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3232 | dev->hard_start_xmit = sky2_xmit_frame; |
| 3233 | dev->get_stats = sky2_get_stats; |
| 3234 | dev->set_multicast_list = sky2_set_multicast; |
| 3235 | dev->set_mac_address = sky2_set_mac_address; |
| 3236 | dev->change_mtu = sky2_change_mtu; |
| 3237 | SET_ETHTOOL_OPS(dev, &sky2_ethtool_ops); |
| 3238 | dev->tx_timeout = sky2_tx_timeout; |
| 3239 | dev->watchdog_timeo = TX_WATCHDOG; |
| 3240 | if (port == 0) |
| 3241 | dev->poll = sky2_poll; |
| 3242 | dev->weight = NAPI_WEIGHT; |
| 3243 | #ifdef CONFIG_NET_POLL_CONTROLLER |
Stephen Hemminger | 0ca4323 | 2006-10-18 13:39:28 -0700 | [diff] [blame] | 3244 | /* Network console (only works on port 0) |
| 3245 | * because netpoll makes assumptions about NAPI |
| 3246 | */ |
| 3247 | if (port == 0) |
| 3248 | dev->poll_controller = sky2_netpoll; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3249 | #endif |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3250 | |
| 3251 | sky2 = netdev_priv(dev); |
| 3252 | sky2->netdev = dev; |
| 3253 | sky2->hw = hw; |
| 3254 | sky2->msg_enable = netif_msg_init(debug, default_msg); |
| 3255 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3256 | /* Auto speed and flow control */ |
| 3257 | sky2->autoneg = AUTONEG_ENABLE; |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 3258 | sky2->flow_mode = FC_BOTH; |
| 3259 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3260 | sky2->duplex = -1; |
| 3261 | sky2->speed = -1; |
| 3262 | sky2->advertising = sky2_supported_modes(hw); |
Stephen Hemminger | ee7abb0 | 2006-05-18 11:16:21 -0700 | [diff] [blame] | 3263 | sky2->rx_csum = 1; |
Stephen Hemminger | 75d070c | 2005-12-09 11:35:11 -0800 | [diff] [blame] | 3264 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 3265 | spin_lock_init(&sky2->phy_lock); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3266 | sky2->tx_pending = TX_DEF_PENDING; |
Stephen Hemminger | 290d4de | 2006-03-20 15:48:15 -0800 | [diff] [blame] | 3267 | sky2->rx_pending = RX_DEF_PENDING; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3268 | |
| 3269 | hw->dev[port] = dev; |
| 3270 | |
| 3271 | sky2->port = port; |
| 3272 | |
shemminger@osdl.org | 5a5b1ea | 2005-11-30 11:45:15 -0800 | [diff] [blame] | 3273 | if (hw->chip_id != CHIP_ID_YUKON_EC_U) |
| 3274 | dev->features |= NETIF_F_TSO; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3275 | if (highmem) |
| 3276 | dev->features |= NETIF_F_HIGHDMA; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3277 | dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3278 | |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 3279 | #ifdef SKY2_VLAN_TAG_USED |
| 3280 | dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; |
| 3281 | dev->vlan_rx_register = sky2_vlan_rx_register; |
| 3282 | dev->vlan_rx_kill_vid = sky2_vlan_rx_kill_vid; |
| 3283 | #endif |
| 3284 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3285 | /* read the mac address */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3286 | 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] | 3287 | memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3288 | |
| 3289 | /* device is off until link detection */ |
| 3290 | netif_carrier_off(dev); |
| 3291 | netif_stop_queue(dev); |
| 3292 | |
| 3293 | return dev; |
| 3294 | } |
| 3295 | |
Stephen Hemminger | 28bd181 | 2006-01-17 13:43:19 -0800 | [diff] [blame] | 3296 | static void __devinit sky2_show_addr(struct net_device *dev) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3297 | { |
| 3298 | const struct sky2_port *sky2 = netdev_priv(dev); |
| 3299 | |
| 3300 | if (netif_msg_probe(sky2)) |
| 3301 | printk(KERN_INFO PFX "%s: addr %02x:%02x:%02x:%02x:%02x:%02x\n", |
| 3302 | dev->name, |
| 3303 | dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2], |
| 3304 | dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]); |
| 3305 | } |
| 3306 | |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 3307 | /* Handle software interrupt used during MSI test */ |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 3308 | static irqreturn_t __devinit sky2_test_intr(int irq, void *dev_id) |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 3309 | { |
| 3310 | struct sky2_hw *hw = dev_id; |
| 3311 | u32 status = sky2_read32(hw, B0_Y2_SP_ISRC2); |
| 3312 | |
| 3313 | if (status == 0) |
| 3314 | return IRQ_NONE; |
| 3315 | |
| 3316 | if (status & Y2_IS_IRQ_SW) { |
Stephen Hemminger | b0a20de | 2006-12-01 14:29:37 -0800 | [diff] [blame] | 3317 | hw->msi = 1; |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 3318 | wake_up(&hw->msi_wait); |
| 3319 | sky2_write8(hw, B0_CTST, CS_CL_SW_IRQ); |
| 3320 | } |
| 3321 | sky2_write32(hw, B0_Y2_SP_ICR, 2); |
| 3322 | |
| 3323 | return IRQ_HANDLED; |
| 3324 | } |
| 3325 | |
| 3326 | /* Test interrupt path by forcing a a software IRQ */ |
| 3327 | static int __devinit sky2_test_msi(struct sky2_hw *hw) |
| 3328 | { |
| 3329 | struct pci_dev *pdev = hw->pdev; |
| 3330 | int err; |
| 3331 | |
shemminger@osdl.org | bb507fe | 2006-08-28 10:00:48 -0700 | [diff] [blame] | 3332 | init_waitqueue_head (&hw->msi_wait); |
| 3333 | |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 3334 | sky2_write32(hw, B0_IMSK, Y2_IS_IRQ_SW); |
| 3335 | |
Stephen Hemminger | b0a20de | 2006-12-01 14:29:37 -0800 | [diff] [blame] | 3336 | err = request_irq(pdev->irq, sky2_test_intr, 0, DRV_NAME, hw); |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 3337 | if (err) { |
| 3338 | printk(KERN_ERR PFX "%s: cannot assign irq %d\n", |
| 3339 | pci_name(pdev), pdev->irq); |
| 3340 | return err; |
| 3341 | } |
| 3342 | |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 3343 | sky2_write8(hw, B0_CTST, CS_ST_SW_IRQ); |
shemminger@osdl.org | bb507fe | 2006-08-28 10:00:48 -0700 | [diff] [blame] | 3344 | sky2_read8(hw, B0_CTST); |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 3345 | |
Stephen Hemminger | b0a20de | 2006-12-01 14:29:37 -0800 | [diff] [blame] | 3346 | wait_event_timeout(hw->msi_wait, hw->msi, HZ/10); |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 3347 | |
Stephen Hemminger | b0a20de | 2006-12-01 14:29:37 -0800 | [diff] [blame] | 3348 | if (!hw->msi) { |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 3349 | /* MSI test failed, go back to INTx mode */ |
Stephen Hemminger | 2bffc23 | 2006-10-17 10:17:18 -0700 | [diff] [blame] | 3350 | printk(KERN_INFO PFX "%s: No interrupt generated using MSI, " |
| 3351 | "switching to INTx mode.\n", |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 3352 | pci_name(pdev)); |
| 3353 | |
| 3354 | err = -EOPNOTSUPP; |
| 3355 | sky2_write8(hw, B0_CTST, CS_CL_SW_IRQ); |
| 3356 | } |
| 3357 | |
| 3358 | sky2_write32(hw, B0_IMSK, 0); |
Stephen Hemminger | 2bffc23 | 2006-10-17 10:17:18 -0700 | [diff] [blame] | 3359 | sky2_read32(hw, B0_IMSK); |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 3360 | |
| 3361 | free_irq(pdev->irq, hw); |
| 3362 | |
| 3363 | return err; |
| 3364 | } |
| 3365 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3366 | static int __devinit sky2_probe(struct pci_dev *pdev, |
| 3367 | const struct pci_device_id *ent) |
| 3368 | { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3369 | struct net_device *dev, *dev1 = NULL; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3370 | struct sky2_hw *hw; |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 3371 | int err, pm_cap, using_dac = 0; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3372 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3373 | err = pci_enable_device(pdev); |
| 3374 | if (err) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3375 | printk(KERN_ERR PFX "%s cannot enable PCI device\n", |
| 3376 | pci_name(pdev)); |
| 3377 | goto err_out; |
| 3378 | } |
| 3379 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3380 | err = pci_request_regions(pdev, DRV_NAME); |
| 3381 | if (err) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3382 | printk(KERN_ERR PFX "%s cannot obtain PCI resources\n", |
| 3383 | pci_name(pdev)); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3384 | goto err_out; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3385 | } |
| 3386 | |
| 3387 | pci_set_master(pdev); |
| 3388 | |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 3389 | /* Find power-management capability. */ |
| 3390 | pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM); |
| 3391 | if (pm_cap == 0) { |
| 3392 | printk(KERN_ERR PFX "Cannot find PowerManagement capability, " |
| 3393 | "aborting.\n"); |
| 3394 | err = -EIO; |
| 3395 | goto err_out_free_regions; |
| 3396 | } |
| 3397 | |
Stephen Hemminger | d1f3d4d | 2006-01-17 13:43:11 -0800 | [diff] [blame] | 3398 | if (sizeof(dma_addr_t) > sizeof(u32) && |
| 3399 | !(err = pci_set_dma_mask(pdev, DMA_64BIT_MASK))) { |
| 3400 | using_dac = 1; |
| 3401 | err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK); |
| 3402 | if (err < 0) { |
| 3403 | printk(KERN_ERR PFX "%s unable to obtain 64 bit DMA " |
| 3404 | "for consistent allocations\n", pci_name(pdev)); |
| 3405 | goto err_out_free_regions; |
| 3406 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3407 | |
Stephen Hemminger | d1f3d4d | 2006-01-17 13:43:11 -0800 | [diff] [blame] | 3408 | } else { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3409 | err = pci_set_dma_mask(pdev, DMA_32BIT_MASK); |
| 3410 | if (err) { |
| 3411 | printk(KERN_ERR PFX "%s no usable DMA configuration\n", |
| 3412 | pci_name(pdev)); |
| 3413 | goto err_out_free_regions; |
| 3414 | } |
| 3415 | } |
Stephen Hemminger | d1f3d4d | 2006-01-17 13:43:11 -0800 | [diff] [blame] | 3416 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3417 | err = -ENOMEM; |
Stephen Hemminger | 6aad85d | 2006-01-17 13:43:18 -0800 | [diff] [blame] | 3418 | hw = kzalloc(sizeof(*hw), GFP_KERNEL); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3419 | if (!hw) { |
| 3420 | printk(KERN_ERR PFX "%s: cannot allocate hardware struct\n", |
| 3421 | pci_name(pdev)); |
| 3422 | goto err_out_free_regions; |
| 3423 | } |
| 3424 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3425 | hw->pdev = pdev; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3426 | |
| 3427 | hw->regs = ioremap_nocache(pci_resource_start(pdev, 0), 0x4000); |
| 3428 | if (!hw->regs) { |
| 3429 | printk(KERN_ERR PFX "%s: cannot map device registers\n", |
| 3430 | pci_name(pdev)); |
| 3431 | goto err_out_free_hw; |
| 3432 | } |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 3433 | hw->pm_cap = pm_cap; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3434 | |
Stephen Hemminger | 56a645c | 2006-02-22 11:45:02 -0800 | [diff] [blame] | 3435 | #ifdef __BIG_ENDIAN |
Stephen Hemminger | f65b138 | 2006-09-06 12:45:02 -0700 | [diff] [blame] | 3436 | /* The sk98lin vendor driver uses hardware byte swapping but |
| 3437 | * this driver uses software swapping. |
| 3438 | */ |
Stephen Hemminger | 56a645c | 2006-02-22 11:45:02 -0800 | [diff] [blame] | 3439 | { |
| 3440 | u32 reg; |
Stephen Hemminger | 56a645c | 2006-02-22 11:45:02 -0800 | [diff] [blame] | 3441 | reg = sky2_pci_read32(hw, PCI_DEV_REG2); |
Stephen Hemminger | f65b138 | 2006-09-06 12:45:02 -0700 | [diff] [blame] | 3442 | reg &= ~PCI_REV_DESC; |
Stephen Hemminger | 56a645c | 2006-02-22 11:45:02 -0800 | [diff] [blame] | 3443 | sky2_pci_write32(hw, PCI_DEV_REG2, reg); |
| 3444 | } |
| 3445 | #endif |
| 3446 | |
Stephen Hemminger | 08c06d8 | 2006-01-30 11:37:54 -0800 | [diff] [blame] | 3447 | /* ring for status responses */ |
| 3448 | hw->st_le = pci_alloc_consistent(hw->pdev, STATUS_LE_BYTES, |
| 3449 | &hw->st_dma); |
| 3450 | if (!hw->st_le) |
| 3451 | goto err_out_iounmap; |
| 3452 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3453 | err = sky2_reset(hw); |
| 3454 | if (err) |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3455 | goto err_out_iounmap; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3456 | |
Greg Kroah-Hartman | 7c7459d | 2006-06-12 15:13:08 -0700 | [diff] [blame] | 3457 | printk(KERN_INFO PFX "v%s addr 0x%llx irq %d Yukon-%s (0x%x) rev %d\n", |
| 3458 | DRV_VERSION, (unsigned long long)pci_resource_start(pdev, 0), |
| 3459 | pdev->irq, yukon2_name[hw->chip_id - CHIP_ID_YUKON_XL], |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3460 | hw->chip_id, hw->chip_rev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3461 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3462 | dev = sky2_init_netdev(hw, 0, using_dac); |
| 3463 | if (!dev) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3464 | goto err_out_free_pci; |
| 3465 | |
Stephen Hemminger | 9fa1b1f | 2006-09-26 11:57:40 -0700 | [diff] [blame] | 3466 | if (!disable_msi && pci_enable_msi(pdev) == 0) { |
| 3467 | err = sky2_test_msi(hw); |
| 3468 | if (err == -EOPNOTSUPP) |
| 3469 | pci_disable_msi(pdev); |
| 3470 | else if (err) |
| 3471 | goto err_out_free_netdev; |
| 3472 | } |
| 3473 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3474 | err = register_netdev(dev); |
| 3475 | if (err) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3476 | printk(KERN_ERR PFX "%s: cannot register net device\n", |
| 3477 | pci_name(pdev)); |
| 3478 | goto err_out_free_netdev; |
| 3479 | } |
| 3480 | |
Stephen Hemminger | b0a20de | 2006-12-01 14:29:37 -0800 | [diff] [blame] | 3481 | err = request_irq(pdev->irq, sky2_intr, hw->msi ? 0 : IRQF_SHARED, |
| 3482 | dev->name, hw); |
Stephen Hemminger | 9fa1b1f | 2006-09-26 11:57:40 -0700 | [diff] [blame] | 3483 | if (err) { |
| 3484 | printk(KERN_ERR PFX "%s: cannot assign irq %d\n", |
| 3485 | pci_name(pdev), pdev->irq); |
| 3486 | goto err_out_unregister; |
| 3487 | } |
| 3488 | sky2_write32(hw, B0_IMSK, Y2_IS_BASE); |
| 3489 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3490 | sky2_show_addr(dev); |
| 3491 | |
| 3492 | if (hw->ports > 1 && (dev1 = sky2_init_netdev(hw, 1, using_dac))) { |
| 3493 | if (register_netdev(dev1) == 0) |
| 3494 | sky2_show_addr(dev1); |
| 3495 | else { |
| 3496 | /* Failure to register second port need not be fatal */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3497 | printk(KERN_WARNING PFX |
| 3498 | "register of second port failed\n"); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3499 | hw->dev[1] = NULL; |
| 3500 | free_netdev(dev1); |
| 3501 | } |
| 3502 | } |
| 3503 | |
Stephen Hemminger | 01bd756 | 2006-05-08 15:11:30 -0700 | [diff] [blame] | 3504 | setup_timer(&hw->idle_timer, sky2_idle, (unsigned long) hw); |
Stephen Hemminger | eb35cf6 | 2006-06-13 17:17:31 +0900 | [diff] [blame] | 3505 | sky2_idle_start(hw); |
Stephen Hemminger | d27ed38 | 2006-04-25 10:58:51 -0700 | [diff] [blame] | 3506 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3507 | pci_set_drvdata(pdev, hw); |
| 3508 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3509 | return 0; |
| 3510 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3511 | err_out_unregister: |
Stephen Hemminger | b0a20de | 2006-12-01 14:29:37 -0800 | [diff] [blame] | 3512 | if (hw->msi) |
| 3513 | pci_disable_msi(pdev); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3514 | unregister_netdev(dev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3515 | err_out_free_netdev: |
| 3516 | free_netdev(dev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3517 | err_out_free_pci: |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3518 | sky2_write8(hw, B0_CTST, CS_RST_SET); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3519 | pci_free_consistent(hw->pdev, STATUS_LE_BYTES, hw->st_le, hw->st_dma); |
| 3520 | err_out_iounmap: |
| 3521 | iounmap(hw->regs); |
| 3522 | err_out_free_hw: |
| 3523 | kfree(hw); |
| 3524 | err_out_free_regions: |
| 3525 | pci_release_regions(pdev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3526 | pci_disable_device(pdev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3527 | err_out: |
| 3528 | return err; |
| 3529 | } |
| 3530 | |
| 3531 | static void __devexit sky2_remove(struct pci_dev *pdev) |
| 3532 | { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3533 | struct sky2_hw *hw = pci_get_drvdata(pdev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3534 | struct net_device *dev0, *dev1; |
| 3535 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3536 | if (!hw) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3537 | return; |
| 3538 | |
Stephen Hemminger | d27ed38 | 2006-04-25 10:58:51 -0700 | [diff] [blame] | 3539 | del_timer_sync(&hw->idle_timer); |
| 3540 | |
| 3541 | sky2_write32(hw, B0_IMSK, 0); |
Stephen Hemminger | 72cb852 | 2006-05-08 15:11:32 -0700 | [diff] [blame] | 3542 | synchronize_irq(hw->pdev->irq); |
| 3543 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3544 | dev0 = hw->dev[0]; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3545 | dev1 = hw->dev[1]; |
| 3546 | if (dev1) |
| 3547 | unregister_netdev(dev1); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3548 | unregister_netdev(dev0); |
| 3549 | |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 3550 | sky2_set_power_state(hw, PCI_D3hot); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3551 | sky2_write16(hw, B0_Y2LED, LED_STAT_OFF); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3552 | sky2_write8(hw, B0_CTST, CS_RST_SET); |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 3553 | sky2_read8(hw, B0_CTST); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3554 | |
| 3555 | free_irq(pdev->irq, hw); |
Stephen Hemminger | b0a20de | 2006-12-01 14:29:37 -0800 | [diff] [blame] | 3556 | if (hw->msi) |
| 3557 | pci_disable_msi(pdev); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3558 | 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] | 3559 | pci_release_regions(pdev); |
| 3560 | pci_disable_device(pdev); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3561 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3562 | if (dev1) |
| 3563 | free_netdev(dev1); |
| 3564 | free_netdev(dev0); |
| 3565 | iounmap(hw->regs); |
| 3566 | kfree(hw); |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 3567 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3568 | pci_set_drvdata(pdev, NULL); |
| 3569 | } |
| 3570 | |
| 3571 | #ifdef CONFIG_PM |
| 3572 | static int sky2_suspend(struct pci_dev *pdev, pm_message_t state) |
| 3573 | { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3574 | struct sky2_hw *hw = pci_get_drvdata(pdev); |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 3575 | int i; |
Stephen Hemminger | 2ccc99b | 2006-06-13 17:17:27 +0900 | [diff] [blame] | 3576 | pci_power_t pstate = pci_choose_state(pdev, state); |
| 3577 | |
| 3578 | if (!(pstate == PCI_D3hot || pstate == PCI_D3cold)) |
| 3579 | return -EINVAL; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3580 | |
Stephen Hemminger | eb35cf6 | 2006-06-13 17:17:31 +0900 | [diff] [blame] | 3581 | del_timer_sync(&hw->idle_timer); |
Stephen Hemminger | 6a5706b | 2006-07-12 15:23:46 -0700 | [diff] [blame] | 3582 | netif_poll_disable(hw->dev[0]); |
Stephen Hemminger | eb35cf6 | 2006-06-13 17:17:31 +0900 | [diff] [blame] | 3583 | |
Stephen Hemminger | f05267e | 2006-06-13 17:17:28 +0900 | [diff] [blame] | 3584 | for (i = 0; i < hw->ports; i++) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3585 | struct net_device *dev = hw->dev[i]; |
| 3586 | |
Stephen Hemminger | 6a5706b | 2006-07-12 15:23:46 -0700 | [diff] [blame] | 3587 | if (netif_running(dev)) { |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 3588 | sky2_down(dev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3589 | netif_device_detach(dev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3590 | } |
| 3591 | } |
| 3592 | |
Stephen Hemminger | 8ab8fca | 2006-06-13 17:17:30 +0900 | [diff] [blame] | 3593 | sky2_write32(hw, B0_IMSK, 0); |
Linus Torvalds | d374c1c | 2006-06-12 12:53:27 -0700 | [diff] [blame] | 3594 | pci_save_state(pdev); |
Stephen Hemminger | 2ccc99b | 2006-06-13 17:17:27 +0900 | [diff] [blame] | 3595 | sky2_set_power_state(hw, pstate); |
| 3596 | return 0; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3597 | } |
| 3598 | |
| 3599 | static int sky2_resume(struct pci_dev *pdev) |
| 3600 | { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3601 | struct sky2_hw *hw = pci_get_drvdata(pdev); |
Stephen Hemminger | 08c06d8 | 2006-01-30 11:37:54 -0800 | [diff] [blame] | 3602 | int i, err; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3603 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3604 | pci_restore_state(pdev); |
| 3605 | pci_enable_wake(pdev, PCI_D0, 0); |
Stephen Hemminger | 2ccc99b | 2006-06-13 17:17:27 +0900 | [diff] [blame] | 3606 | sky2_set_power_state(hw, PCI_D0); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3607 | |
Stephen Hemminger | 08c06d8 | 2006-01-30 11:37:54 -0800 | [diff] [blame] | 3608 | err = sky2_reset(hw); |
| 3609 | if (err) |
| 3610 | goto out; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3611 | |
Stephen Hemminger | 8ab8fca | 2006-06-13 17:17:30 +0900 | [diff] [blame] | 3612 | sky2_write32(hw, B0_IMSK, Y2_IS_BASE); |
| 3613 | |
Stephen Hemminger | f05267e | 2006-06-13 17:17:28 +0900 | [diff] [blame] | 3614 | for (i = 0; i < hw->ports; i++) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3615 | struct net_device *dev = hw->dev[i]; |
Stephen Hemminger | 6a5706b | 2006-07-12 15:23:46 -0700 | [diff] [blame] | 3616 | if (netif_running(dev)) { |
Stephen Hemminger | 08c06d8 | 2006-01-30 11:37:54 -0800 | [diff] [blame] | 3617 | netif_device_attach(dev); |
Stephen Hemminger | 88d1136 | 2006-06-16 12:10:46 -0700 | [diff] [blame] | 3618 | |
Stephen Hemminger | 08c06d8 | 2006-01-30 11:37:54 -0800 | [diff] [blame] | 3619 | err = sky2_up(dev); |
| 3620 | if (err) { |
| 3621 | printk(KERN_ERR PFX "%s: could not up: %d\n", |
| 3622 | dev->name, err); |
| 3623 | dev_close(dev); |
Stephen Hemminger | eb35cf6 | 2006-06-13 17:17:31 +0900 | [diff] [blame] | 3624 | goto out; |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 3625 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3626 | } |
| 3627 | } |
Stephen Hemminger | eb35cf6 | 2006-06-13 17:17:31 +0900 | [diff] [blame] | 3628 | |
Stephen Hemminger | 6a5706b | 2006-07-12 15:23:46 -0700 | [diff] [blame] | 3629 | netif_poll_enable(hw->dev[0]); |
Stephen Hemminger | eb35cf6 | 2006-06-13 17:17:31 +0900 | [diff] [blame] | 3630 | sky2_idle_start(hw); |
Stephen Hemminger | 08c06d8 | 2006-01-30 11:37:54 -0800 | [diff] [blame] | 3631 | out: |
| 3632 | return err; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3633 | } |
| 3634 | #endif |
| 3635 | |
| 3636 | static struct pci_driver sky2_driver = { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3637 | .name = DRV_NAME, |
| 3638 | .id_table = sky2_id_table, |
| 3639 | .probe = sky2_probe, |
| 3640 | .remove = __devexit_p(sky2_remove), |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3641 | #ifdef CONFIG_PM |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3642 | .suspend = sky2_suspend, |
| 3643 | .resume = sky2_resume, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3644 | #endif |
| 3645 | }; |
| 3646 | |
| 3647 | static int __init sky2_init_module(void) |
| 3648 | { |
shemminger@osdl.org | 50241c4 | 2005-11-30 11:45:22 -0800 | [diff] [blame] | 3649 | return pci_register_driver(&sky2_driver); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3650 | } |
| 3651 | |
| 3652 | static void __exit sky2_cleanup_module(void) |
| 3653 | { |
| 3654 | pci_unregister_driver(&sky2_driver); |
| 3655 | } |
| 3656 | |
| 3657 | module_init(sky2_init_module); |
| 3658 | module_exit(sky2_cleanup_module); |
| 3659 | |
| 3660 | MODULE_DESCRIPTION("Marvell Yukon 2 Gigabit Ethernet driver"); |
| 3661 | MODULE_AUTHOR("Stephen Hemminger <shemminger@osdl.org>"); |
| 3662 | MODULE_LICENSE("GPL"); |
shemminger@osdl.org | 5f4f9dc | 2005-11-30 11:45:23 -0800 | [diff] [blame] | 3663 | MODULE_VERSION(DRV_VERSION); |