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> |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 27 | #include <linux/module.h> |
| 28 | #include <linux/netdevice.h> |
Andrew Morton | d0bbccf | 2005-11-10 15:29:27 -0800 | [diff] [blame] | 29 | #include <linux/dma-mapping.h> |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 30 | #include <linux/etherdevice.h> |
| 31 | #include <linux/ethtool.h> |
| 32 | #include <linux/pci.h> |
| 33 | #include <linux/ip.h> |
Arnaldo Carvalho de Melo | c9bdd4b | 2007-03-12 20:09:15 -0300 | [diff] [blame] | 34 | #include <net/ip.h> |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 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> |
Stephen Hemminger | 3cf2675 | 2007-07-09 15:33:35 -0700 | [diff] [blame] | 41 | #include <linux/debugfs.h> |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 42 | #include <linux/mii.h> |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 43 | |
| 44 | #include <asm/irq.h> |
| 45 | |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 46 | #if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE) |
| 47 | #define SKY2_VLAN_TAG_USED 1 |
| 48 | #endif |
| 49 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 50 | #include "sky2.h" |
| 51 | |
| 52 | #define DRV_NAME "sky2" |
Stephen Hemminger | 743d32a | 2008-06-17 09:04:28 -0700 | [diff] [blame] | 53 | #define DRV_VERSION "1.22" |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 54 | #define PFX DRV_NAME " " |
| 55 | |
| 56 | /* |
| 57 | * The Yukon II chipset takes 64 bit command blocks (called list elements) |
| 58 | * that are organized into three (receive, transmit, status) different rings |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 59 | * similar to Tigon3. |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 60 | */ |
| 61 | |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 62 | #define RX_LE_SIZE 1024 |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 63 | #define RX_LE_BYTES (RX_LE_SIZE*sizeof(struct sky2_rx_le)) |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 64 | #define RX_MAX_PENDING (RX_LE_SIZE/6 - 2) |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 65 | #define RX_DEF_PENDING RX_MAX_PENDING |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 66 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 67 | #define TX_RING_SIZE 512 |
| 68 | #define TX_DEF_PENDING (TX_RING_SIZE - 1) |
| 69 | #define TX_MIN_PENDING 64 |
Stephen Hemminger | b19666d | 2006-03-07 11:06:36 -0800 | [diff] [blame] | 70 | #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] | 71 | |
| 72 | #define STATUS_RING_SIZE 2048 /* 2 ports * (TX + 2*RX) */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 73 | #define STATUS_LE_BYTES (STATUS_RING_SIZE*sizeof(struct sky2_status_le)) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 74 | #define TX_WATCHDOG (5 * HZ) |
| 75 | #define NAPI_WEIGHT 64 |
| 76 | #define PHY_RETRIES 1000 |
| 77 | |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 78 | #define SKY2_EEPROM_MAGIC 0x9955aabb |
| 79 | |
| 80 | |
Stephen Hemminger | cb5d954 | 2006-05-08 15:11:29 -0700 | [diff] [blame] | 81 | #define RING_NEXT(x,s) (((x)+1) & ((s)-1)) |
| 82 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 83 | static const u32 default_msg = |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 84 | NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK |
| 85 | | NETIF_MSG_TIMER | NETIF_MSG_TX_ERR | NETIF_MSG_RX_ERR |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 86 | | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 87 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 88 | static int debug = -1; /* defaults above */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 89 | module_param(debug, int, 0); |
| 90 | MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)"); |
| 91 | |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 92 | static int copybreak __read_mostly = 128; |
Stephen Hemminger | bdb5c58 | 2005-12-09 11:34:55 -0800 | [diff] [blame] | 93 | module_param(copybreak, int, 0); |
| 94 | MODULE_PARM_DESC(copybreak, "Receive copy threshold"); |
| 95 | |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 96 | static int disable_msi = 0; |
| 97 | module_param(disable_msi, int, 0); |
| 98 | MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)"); |
| 99 | |
Stephen Hemminger | e6cac9b | 2008-06-17 09:04:26 -0700 | [diff] [blame] | 100 | static DEFINE_PCI_DEVICE_TABLE(sky2_id_table) = { |
Stephen Hemminger | e5b74c7 | 2006-12-04 15:53:36 -0800 | [diff] [blame] | 101 | { PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9000) }, /* SK-9Sxx */ |
| 102 | { PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9E00) }, /* SK-9Exx */ |
Stephen Hemminger | 2d2a387 | 2006-05-17 14:37:04 -0700 | [diff] [blame] | 103 | { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4b00) }, /* DGE-560T */ |
Stephen Hemminger | 2f4a66a | 2006-09-01 14:52:04 -0700 | [diff] [blame] | 104 | { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4001) }, /* DGE-550SX */ |
Stephen Hemminger | 508f89e | 2006-12-01 14:29:34 -0800 | [diff] [blame] | 105 | { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4B02) }, /* DGE-560SX */ |
Stephen Hemminger | f1a0b6f | 2007-02-06 10:45:44 -0800 | [diff] [blame] | 106 | { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4B03) }, /* DGE-550T */ |
Stephen Hemminger | e5b74c7 | 2006-12-04 15:53:36 -0800 | [diff] [blame] | 107 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4340) }, /* 88E8021 */ |
| 108 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4341) }, /* 88E8022 */ |
| 109 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4342) }, /* 88E8061 */ |
| 110 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4343) }, /* 88E8062 */ |
| 111 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4344) }, /* 88E8021 */ |
| 112 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4345) }, /* 88E8022 */ |
| 113 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4346) }, /* 88E8061 */ |
| 114 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4347) }, /* 88E8062 */ |
| 115 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4350) }, /* 88E8035 */ |
| 116 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4351) }, /* 88E8036 */ |
| 117 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4352) }, /* 88E8038 */ |
| 118 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4353) }, /* 88E8039 */ |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 119 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4354) }, /* 88E8040 */ |
Stephen Hemminger | a3b4fce | 2008-06-14 10:32:15 -0700 | [diff] [blame] | 120 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4355) }, /* 88E8040T */ |
Stephen Hemminger | e5b74c7 | 2006-12-04 15:53:36 -0800 | [diff] [blame] | 121 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4356) }, /* 88EC033 */ |
Stephen Hemminger | 5a37a68 | 2007-11-08 08:20:17 -0800 | [diff] [blame] | 122 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4357) }, /* 88E8042 */ |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 123 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x435A) }, /* 88E8048 */ |
Stephen Hemminger | e5b74c7 | 2006-12-04 15:53:36 -0800 | [diff] [blame] | 124 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4360) }, /* 88E8052 */ |
| 125 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4361) }, /* 88E8050 */ |
| 126 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4362) }, /* 88E8053 */ |
| 127 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4363) }, /* 88E8055 */ |
| 128 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4364) }, /* 88E8056 */ |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 129 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4365) }, /* 88E8070 */ |
Stephen Hemminger | e5b74c7 | 2006-12-04 15:53:36 -0800 | [diff] [blame] | 130 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4366) }, /* 88EC036 */ |
| 131 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4367) }, /* 88EC032 */ |
| 132 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4368) }, /* 88EC034 */ |
Stephen Hemminger | f1a0b6f | 2007-02-06 10:45:44 -0800 | [diff] [blame] | 133 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4369) }, /* 88EC042 */ |
| 134 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x436A) }, /* 88E8058 */ |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 135 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x436B) }, /* 88E8071 */ |
Stephen Hemminger | 5a37a68 | 2007-11-08 08:20:17 -0800 | [diff] [blame] | 136 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x436C) }, /* 88E8072 */ |
Stephen Hemminger | ed4d416 | 2008-01-10 16:14:14 -0800 | [diff] [blame] | 137 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x436D) }, /* 88E8055 */ |
| 138 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4370) }, /* 88E8075 */ |
Stephen Hemminger | 0ce8b98 | 2008-06-17 09:04:27 -0700 | [diff] [blame] | 139 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4380) }, /* 88E8057 */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 140 | { 0 } |
| 141 | }; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 142 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 143 | MODULE_DEVICE_TABLE(pci, sky2_id_table); |
| 144 | |
| 145 | /* Avoid conditionals by using array */ |
| 146 | static const unsigned txqaddr[] = { Q_XA1, Q_XA2 }; |
| 147 | static const unsigned rxqaddr[] = { Q_R1, Q_R2 }; |
Stephen Hemminger | f4ea431 | 2006-05-09 14:46:54 -0700 | [diff] [blame] | 148 | 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] | 149 | |
Stephen Hemminger | d1b139c | 2007-09-05 16:56:19 +0100 | [diff] [blame] | 150 | static void sky2_set_multicast(struct net_device *dev); |
| 151 | |
Stephen Hemminger | af043aa | 2007-11-05 15:52:10 -0800 | [diff] [blame] | 152 | /* Access to PHY via serial interconnect */ |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 153 | 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] | 154 | { |
| 155 | int i; |
| 156 | |
| 157 | gma_write16(hw, port, GM_SMI_DATA, val); |
| 158 | gma_write16(hw, port, GM_SMI_CTRL, |
| 159 | GM_SMI_CT_PHY_AD(PHY_ADDR_MARV) | GM_SMI_CT_REG_AD(reg)); |
| 160 | |
| 161 | for (i = 0; i < PHY_RETRIES; i++) { |
Stephen Hemminger | af043aa | 2007-11-05 15:52:10 -0800 | [diff] [blame] | 162 | u16 ctrl = gma_read16(hw, port, GM_SMI_CTRL); |
| 163 | if (ctrl == 0xffff) |
| 164 | goto io_error; |
| 165 | |
| 166 | if (!(ctrl & GM_SMI_CT_BUSY)) |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 167 | return 0; |
Stephen Hemminger | af043aa | 2007-11-05 15:52:10 -0800 | [diff] [blame] | 168 | |
| 169 | udelay(10); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 170 | } |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 171 | |
Stephen Hemminger | af043aa | 2007-11-05 15:52:10 -0800 | [diff] [blame] | 172 | dev_warn(&hw->pdev->dev,"%s: phy write timeout\n", hw->dev[port]->name); |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 173 | return -ETIMEDOUT; |
Stephen Hemminger | af043aa | 2007-11-05 15:52:10 -0800 | [diff] [blame] | 174 | |
| 175 | io_error: |
| 176 | dev_err(&hw->pdev->dev, "%s: phy I/O error\n", hw->dev[port]->name); |
| 177 | return -EIO; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 178 | } |
| 179 | |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 180 | 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] | 181 | { |
| 182 | int i; |
| 183 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 184 | 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] | 185 | | GM_SMI_CT_REG_AD(reg) | GM_SMI_CT_OP_RD); |
| 186 | |
| 187 | for (i = 0; i < PHY_RETRIES; i++) { |
Stephen Hemminger | af043aa | 2007-11-05 15:52:10 -0800 | [diff] [blame] | 188 | u16 ctrl = gma_read16(hw, port, GM_SMI_CTRL); |
| 189 | if (ctrl == 0xffff) |
| 190 | goto io_error; |
| 191 | |
| 192 | if (ctrl & GM_SMI_CT_RD_VAL) { |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 193 | *val = gma_read16(hw, port, GM_SMI_DATA); |
| 194 | return 0; |
| 195 | } |
| 196 | |
Stephen Hemminger | af043aa | 2007-11-05 15:52:10 -0800 | [diff] [blame] | 197 | udelay(10); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 198 | } |
| 199 | |
Stephen Hemminger | af043aa | 2007-11-05 15:52:10 -0800 | [diff] [blame] | 200 | dev_warn(&hw->pdev->dev, "%s: phy read timeout\n", hw->dev[port]->name); |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 201 | return -ETIMEDOUT; |
Stephen Hemminger | af043aa | 2007-11-05 15:52:10 -0800 | [diff] [blame] | 202 | io_error: |
| 203 | dev_err(&hw->pdev->dev, "%s: phy I/O error\n", hw->dev[port]->name); |
| 204 | return -EIO; |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 205 | } |
| 206 | |
Stephen Hemminger | af043aa | 2007-11-05 15:52:10 -0800 | [diff] [blame] | 207 | static inline u16 gm_phy_read(struct sky2_hw *hw, unsigned port, u16 reg) |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 208 | { |
| 209 | u16 v; |
Stephen Hemminger | af043aa | 2007-11-05 15:52:10 -0800 | [diff] [blame] | 210 | __gm_phy_read(hw, port, reg, &v); |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 211 | return v; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 212 | } |
| 213 | |
Stephen Hemminger | ae306cc | 2006-12-20 13:06:36 -0800 | [diff] [blame] | 214 | |
| 215 | static void sky2_power_on(struct sky2_hw *hw) |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 216 | { |
Stephen Hemminger | ae306cc | 2006-12-20 13:06:36 -0800 | [diff] [blame] | 217 | /* switch power to VCC (WA for VAUX problem) */ |
| 218 | sky2_write8(hw, B0_POWER_CTRL, |
| 219 | PC_VAUX_ENA | PC_VCC_ENA | PC_VAUX_OFF | PC_VCC_ON); |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 220 | |
Stephen Hemminger | ae306cc | 2006-12-20 13:06:36 -0800 | [diff] [blame] | 221 | /* disable Core Clock Division, */ |
| 222 | sky2_write32(hw, B2_Y2_CLK_CTRL, Y2_CLK_DIV_DIS); |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 223 | |
Stephen Hemminger | ae306cc | 2006-12-20 13:06:36 -0800 | [diff] [blame] | 224 | if (hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev > 1) |
| 225 | /* enable bits are inverted */ |
| 226 | sky2_write8(hw, B2_Y2_CLK_GATE, |
| 227 | Y2_PCI_CLK_LNK1_DIS | Y2_COR_CLK_LNK1_DIS | |
| 228 | Y2_CLK_GAT_LNK1_DIS | Y2_PCI_CLK_LNK2_DIS | |
| 229 | Y2_COR_CLK_LNK2_DIS | Y2_CLK_GAT_LNK2_DIS); |
| 230 | else |
| 231 | sky2_write8(hw, B2_Y2_CLK_GATE, 0); |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 232 | |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 233 | if (hw->flags & SKY2_HW_ADV_POWER_CTL) { |
Stephen Hemminger | fc99fe0 | 2007-06-04 17:23:22 -0700 | [diff] [blame] | 234 | u32 reg; |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 235 | |
Stephen Hemminger | b32f40c | 2007-11-27 10:57:27 -0800 | [diff] [blame] | 236 | sky2_pci_write32(hw, PCI_DEV_REG3, 0); |
Stephen Hemminger | b234577 | 2007-08-21 14:34:02 -0700 | [diff] [blame] | 237 | |
Stephen Hemminger | b32f40c | 2007-11-27 10:57:27 -0800 | [diff] [blame] | 238 | reg = sky2_pci_read32(hw, PCI_DEV_REG4); |
Stephen Hemminger | fc99fe0 | 2007-06-04 17:23:22 -0700 | [diff] [blame] | 239 | /* set all bits to 0 except bits 15..12 and 8 */ |
| 240 | reg &= P_ASPM_CONTROL_MSK; |
Stephen Hemminger | b32f40c | 2007-11-27 10:57:27 -0800 | [diff] [blame] | 241 | sky2_pci_write32(hw, PCI_DEV_REG4, reg); |
Stephen Hemminger | fc99fe0 | 2007-06-04 17:23:22 -0700 | [diff] [blame] | 242 | |
Stephen Hemminger | b32f40c | 2007-11-27 10:57:27 -0800 | [diff] [blame] | 243 | reg = sky2_pci_read32(hw, PCI_DEV_REG5); |
Stephen Hemminger | fc99fe0 | 2007-06-04 17:23:22 -0700 | [diff] [blame] | 244 | /* set all bits to 0 except bits 28 & 27 */ |
| 245 | reg &= P_CTL_TIM_VMAIN_AV_MSK; |
Stephen Hemminger | b32f40c | 2007-11-27 10:57:27 -0800 | [diff] [blame] | 246 | sky2_pci_write32(hw, PCI_DEV_REG5, reg); |
Stephen Hemminger | fc99fe0 | 2007-06-04 17:23:22 -0700 | [diff] [blame] | 247 | |
Stephen Hemminger | b32f40c | 2007-11-27 10:57:27 -0800 | [diff] [blame] | 248 | sky2_pci_write32(hw, PCI_CFG_REG_1, 0); |
Stephen Hemminger | 8f70920 | 2007-06-04 17:23:25 -0700 | [diff] [blame] | 249 | |
| 250 | /* Enable workaround for dev 4.107 on Yukon-Ultra & Extreme */ |
| 251 | reg = sky2_read32(hw, B2_GP_IO); |
| 252 | reg |= GLB_GPIO_STAT_RACE_DIS; |
| 253 | sky2_write32(hw, B2_GP_IO, reg); |
Stephen Hemminger | b234577 | 2007-08-21 14:34:02 -0700 | [diff] [blame] | 254 | |
| 255 | sky2_read32(hw, B2_GP_IO); |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 256 | } |
Stephen Hemminger | ae306cc | 2006-12-20 13:06:36 -0800 | [diff] [blame] | 257 | } |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 258 | |
Stephen Hemminger | ae306cc | 2006-12-20 13:06:36 -0800 | [diff] [blame] | 259 | static void sky2_power_aux(struct sky2_hw *hw) |
| 260 | { |
| 261 | if (hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev > 1) |
| 262 | sky2_write8(hw, B2_Y2_CLK_GATE, 0); |
| 263 | else |
| 264 | /* enable bits are inverted */ |
| 265 | sky2_write8(hw, B2_Y2_CLK_GATE, |
| 266 | Y2_PCI_CLK_LNK1_DIS | Y2_COR_CLK_LNK1_DIS | |
| 267 | Y2_CLK_GAT_LNK1_DIS | Y2_PCI_CLK_LNK2_DIS | |
| 268 | Y2_COR_CLK_LNK2_DIS | Y2_CLK_GAT_LNK2_DIS); |
| 269 | |
| 270 | /* switch power to VAUX */ |
| 271 | if (sky2_read16(hw, B0_CTST) & Y2_VAUX_AVAIL) |
| 272 | sky2_write8(hw, B0_POWER_CTRL, |
| 273 | (PC_VAUX_ENA | PC_VCC_ENA | |
| 274 | PC_VAUX_ON | PC_VCC_OFF)); |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 275 | } |
| 276 | |
shemminger@osdl.org | d3bcfbe | 2006-08-28 10:00:51 -0700 | [diff] [blame] | 277 | static void sky2_gmac_reset(struct sky2_hw *hw, unsigned port) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 278 | { |
| 279 | u16 reg; |
| 280 | |
| 281 | /* disable all GMAC IRQ's */ |
| 282 | sky2_write8(hw, SK_REG(port, GMAC_IRQ_MSK), 0); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 283 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 284 | gma_write16(hw, port, GM_MC_ADDR_H1, 0); /* clear MC hash */ |
| 285 | gma_write16(hw, port, GM_MC_ADDR_H2, 0); |
| 286 | gma_write16(hw, port, GM_MC_ADDR_H3, 0); |
| 287 | gma_write16(hw, port, GM_MC_ADDR_H4, 0); |
| 288 | |
| 289 | reg = gma_read16(hw, port, GM_RX_CTRL); |
| 290 | reg |= GM_RXCR_UCF_ENA | GM_RXCR_MCF_ENA; |
| 291 | gma_write16(hw, port, GM_RX_CTRL, reg); |
| 292 | } |
| 293 | |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 294 | /* flow control to advertise bits */ |
| 295 | static const u16 copper_fc_adv[] = { |
| 296 | [FC_NONE] = 0, |
| 297 | [FC_TX] = PHY_M_AN_ASP, |
| 298 | [FC_RX] = PHY_M_AN_PC, |
| 299 | [FC_BOTH] = PHY_M_AN_PC | PHY_M_AN_ASP, |
| 300 | }; |
| 301 | |
| 302 | /* flow control to advertise bits when using 1000BaseX */ |
| 303 | static const u16 fiber_fc_adv[] = { |
Stephen Hemminger | df3fe1f | 2007-10-11 19:48:04 -0700 | [diff] [blame] | 304 | [FC_NONE] = PHY_M_P_NO_PAUSE_X, |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 305 | [FC_TX] = PHY_M_P_ASYM_MD_X, |
| 306 | [FC_RX] = PHY_M_P_SYM_MD_X, |
Stephen Hemminger | df3fe1f | 2007-10-11 19:48:04 -0700 | [diff] [blame] | 307 | [FC_BOTH] = PHY_M_P_BOTH_MD_X, |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 308 | }; |
| 309 | |
| 310 | /* flow control to GMA disable bits */ |
| 311 | static const u16 gm_fc_disable[] = { |
| 312 | [FC_NONE] = GM_GPCR_FC_RX_DIS | GM_GPCR_FC_TX_DIS, |
| 313 | [FC_TX] = GM_GPCR_FC_RX_DIS, |
| 314 | [FC_RX] = GM_GPCR_FC_TX_DIS, |
| 315 | [FC_BOTH] = 0, |
| 316 | }; |
| 317 | |
| 318 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 319 | static void sky2_phy_init(struct sky2_hw *hw, unsigned port) |
| 320 | { |
| 321 | struct sky2_port *sky2 = netdev_priv(hw->dev[port]); |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 322 | u16 ctrl, ct1000, adv, pg, ledctrl, ledover, reg; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 323 | |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 324 | if (sky2->autoneg == AUTONEG_ENABLE && |
| 325 | !(hw->flags & SKY2_HW_NEWER_PHY)) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 326 | u16 ectrl = gm_phy_read(hw, port, PHY_MARV_EXT_CTRL); |
| 327 | |
| 328 | 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] | 329 | PHY_M_EC_MAC_S_MSK); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 330 | ectrl |= PHY_M_EC_MAC_S(MAC_TX_CLK_25_MHZ); |
| 331 | |
Stephen Hemminger | 53419c6 | 2007-05-14 12:38:11 -0700 | [diff] [blame] | 332 | /* on PHY 88E1040 Rev.D0 (and newer) downshift control changed */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 333 | if (hw->chip_id == CHIP_ID_YUKON_EC) |
Stephen Hemminger | 53419c6 | 2007-05-14 12:38:11 -0700 | [diff] [blame] | 334 | /* set downshift counter to 3x and enable downshift */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 335 | ectrl |= PHY_M_EC_DSC_2(2) | PHY_M_EC_DOWN_S_ENA; |
| 336 | else |
Stephen Hemminger | 53419c6 | 2007-05-14 12:38:11 -0700 | [diff] [blame] | 337 | /* set master & slave downshift counter to 1x */ |
| 338 | ectrl |= PHY_M_EC_M_DSC(0) | PHY_M_EC_S_DSC(1); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 339 | |
| 340 | gm_phy_write(hw, port, PHY_MARV_EXT_CTRL, ectrl); |
| 341 | } |
| 342 | |
| 343 | ctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL); |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 344 | if (sky2_is_copper(hw)) { |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 345 | if (!(hw->flags & SKY2_HW_GIGABIT)) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 346 | /* enable automatic crossover */ |
| 347 | ctrl |= PHY_M_PC_MDI_XMODE(PHY_M_PC_ENA_AUTO) >> 1; |
Stephen Hemminger | 6d3105d | 2007-09-24 19:34:51 -0700 | [diff] [blame] | 348 | |
| 349 | if (hw->chip_id == CHIP_ID_YUKON_FE_P && |
| 350 | hw->chip_rev == CHIP_REV_YU_FE2_A0) { |
| 351 | u16 spec; |
| 352 | |
| 353 | /* Enable Class A driver for FE+ A0 */ |
| 354 | spec = gm_phy_read(hw, port, PHY_MARV_FE_SPEC_2); |
| 355 | spec |= PHY_M_FESC_SEL_CL_A; |
| 356 | gm_phy_write(hw, port, PHY_MARV_FE_SPEC_2, spec); |
| 357 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 358 | } else { |
| 359 | /* disable energy detect */ |
| 360 | ctrl &= ~PHY_M_PC_EN_DET_MSK; |
| 361 | |
| 362 | /* enable automatic crossover */ |
| 363 | ctrl |= PHY_M_PC_MDI_XMODE(PHY_M_PC_ENA_AUTO); |
| 364 | |
Stephen Hemminger | 53419c6 | 2007-05-14 12:38:11 -0700 | [diff] [blame] | 365 | /* downshift on PHY 88E1112 and 88E1149 is changed */ |
Stephen Hemminger | 9374549 | 2007-02-06 10:45:43 -0800 | [diff] [blame] | 366 | if (sky2->autoneg == AUTONEG_ENABLE |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 367 | && (hw->flags & SKY2_HW_NEWER_PHY)) { |
Stephen Hemminger | 53419c6 | 2007-05-14 12:38:11 -0700 | [diff] [blame] | 368 | /* set downshift counter to 3x and enable downshift */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 369 | ctrl &= ~PHY_M_PC_DSC_MSK; |
| 370 | ctrl |= PHY_M_PC_DSC(2) | PHY_M_PC_DOWN_S_ENA; |
| 371 | } |
| 372 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 373 | } else { |
| 374 | /* workaround for deviation #4.88 (CRC errors) */ |
| 375 | /* disable Automatic Crossover */ |
| 376 | |
| 377 | ctrl &= ~PHY_M_PC_MDIX_MSK; |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 378 | } |
| 379 | |
| 380 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl); |
| 381 | |
| 382 | /* special setup for PHY 88E1112 Fiber */ |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 383 | if (hw->chip_id == CHIP_ID_YUKON_XL && (hw->flags & SKY2_HW_FIBRE_PHY)) { |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 384 | pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); |
| 385 | |
| 386 | /* Fiber: select 1000BASE-X only mode MAC Specific Ctrl Reg. */ |
| 387 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 2); |
| 388 | ctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL); |
| 389 | ctrl &= ~PHY_M_MAC_MD_MSK; |
| 390 | ctrl |= PHY_M_MAC_MODE_SEL(PHY_M_MAC_MD_1000BX); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 391 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl); |
| 392 | |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 393 | if (hw->pmd_type == 'P') { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 394 | /* select page 1 to access Fiber registers */ |
| 395 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 1); |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 396 | |
| 397 | /* for SFP-module set SIGDET polarity to low */ |
| 398 | ctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL); |
| 399 | ctrl |= PHY_M_FIB_SIGD_POL; |
Stephen Hemminger | 34dd962 | 2007-05-24 15:22:45 -0700 | [diff] [blame] | 400 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 401 | } |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 402 | |
| 403 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 404 | } |
| 405 | |
Stephen Hemminger | 7800fdd | 2006-10-17 10:24:10 -0700 | [diff] [blame] | 406 | ctrl = PHY_CT_RESET; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 407 | ct1000 = 0; |
| 408 | adv = PHY_AN_CSMA; |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 409 | reg = 0; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 410 | |
| 411 | if (sky2->autoneg == AUTONEG_ENABLE) { |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 412 | if (sky2_is_copper(hw)) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 413 | if (sky2->advertising & ADVERTISED_1000baseT_Full) |
| 414 | ct1000 |= PHY_M_1000C_AFD; |
| 415 | if (sky2->advertising & ADVERTISED_1000baseT_Half) |
| 416 | ct1000 |= PHY_M_1000C_AHD; |
| 417 | if (sky2->advertising & ADVERTISED_100baseT_Full) |
| 418 | adv |= PHY_M_AN_100_FD; |
| 419 | if (sky2->advertising & ADVERTISED_100baseT_Half) |
| 420 | adv |= PHY_M_AN_100_HD; |
| 421 | if (sky2->advertising & ADVERTISED_10baseT_Full) |
| 422 | adv |= PHY_M_AN_10_FD; |
| 423 | if (sky2->advertising & ADVERTISED_10baseT_Half) |
| 424 | adv |= PHY_M_AN_10_HD; |
Stephen Hemminger | 709c6e7 | 2006-10-17 10:24:04 -0700 | [diff] [blame] | 425 | |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 426 | adv |= copper_fc_adv[sky2->flow_mode]; |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 427 | } else { /* special defines for FIBER (88E1040S only) */ |
| 428 | if (sky2->advertising & ADVERTISED_1000baseT_Full) |
| 429 | adv |= PHY_M_AN_1000X_AFD; |
| 430 | if (sky2->advertising & ADVERTISED_1000baseT_Half) |
| 431 | adv |= PHY_M_AN_1000X_AHD; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 432 | |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 433 | adv |= fiber_fc_adv[sky2->flow_mode]; |
Stephen Hemminger | 709c6e7 | 2006-10-17 10:24:04 -0700 | [diff] [blame] | 434 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 435 | |
| 436 | /* Restart Auto-negotiation */ |
| 437 | ctrl |= PHY_CT_ANE | PHY_CT_RE_CFG; |
| 438 | } else { |
| 439 | /* forced speed/duplex settings */ |
| 440 | ct1000 = PHY_M_1000C_MSE; |
| 441 | |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 442 | /* Disable auto update for duplex flow control and speed */ |
| 443 | reg |= GM_GPCR_AU_ALL_DIS; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 444 | |
| 445 | switch (sky2->speed) { |
| 446 | case SPEED_1000: |
| 447 | ctrl |= PHY_CT_SP1000; |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 448 | reg |= GM_GPCR_SPEED_1000; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 449 | break; |
| 450 | case SPEED_100: |
| 451 | ctrl |= PHY_CT_SP100; |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 452 | reg |= GM_GPCR_SPEED_100; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 453 | break; |
| 454 | } |
| 455 | |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 456 | if (sky2->duplex == DUPLEX_FULL) { |
| 457 | reg |= GM_GPCR_DUP_FULL; |
| 458 | ctrl |= PHY_CT_DUP_MD; |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 459 | } else if (sky2->speed < SPEED_1000) |
| 460 | sky2->flow_mode = FC_NONE; |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 461 | |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 462 | |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 463 | reg |= gm_fc_disable[sky2->flow_mode]; |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 464 | |
| 465 | /* Forward pause packets to GMAC? */ |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 466 | if (sky2->flow_mode & FC_RX) |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 467 | sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_PAUSE_ON); |
| 468 | else |
| 469 | sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_PAUSE_OFF); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 470 | } |
| 471 | |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 472 | gma_write16(hw, port, GM_GP_CTRL, reg); |
| 473 | |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 474 | if (hw->flags & SKY2_HW_GIGABIT) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 475 | gm_phy_write(hw, port, PHY_MARV_1000T_CTRL, ct1000); |
| 476 | |
| 477 | gm_phy_write(hw, port, PHY_MARV_AUNE_ADV, adv); |
| 478 | gm_phy_write(hw, port, PHY_MARV_CTRL, ctrl); |
| 479 | |
| 480 | /* Setup Phy LED's */ |
| 481 | ledctrl = PHY_M_LED_PULS_DUR(PULS_170MS); |
| 482 | ledover = 0; |
| 483 | |
| 484 | switch (hw->chip_id) { |
| 485 | case CHIP_ID_YUKON_FE: |
| 486 | /* on 88E3082 these bits are at 11..9 (shifted left) */ |
| 487 | ledctrl |= PHY_M_LED_BLINK_RT(BLINK_84MS) << 1; |
| 488 | |
| 489 | ctrl = gm_phy_read(hw, port, PHY_MARV_FE_LED_PAR); |
| 490 | |
| 491 | /* delete ACT LED control bits */ |
| 492 | ctrl &= ~PHY_M_FELP_LED1_MSK; |
| 493 | /* change ACT LED control to blink mode */ |
| 494 | ctrl |= PHY_M_FELP_LED1_CTRL(LED_PAR_CTRL_ACT_BL); |
| 495 | gm_phy_write(hw, port, PHY_MARV_FE_LED_PAR, ctrl); |
| 496 | break; |
| 497 | |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 498 | case CHIP_ID_YUKON_FE_P: |
| 499 | /* Enable Link Partner Next Page */ |
| 500 | ctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL); |
| 501 | ctrl |= PHY_M_PC_ENA_LIP_NP; |
| 502 | |
| 503 | /* disable Energy Detect and enable scrambler */ |
| 504 | ctrl &= ~(PHY_M_PC_ENA_ENE_DT | PHY_M_PC_DIS_SCRAMB); |
| 505 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl); |
| 506 | |
| 507 | /* set LED2 -> ACT, LED1 -> LINK, LED0 -> SPEED */ |
| 508 | ctrl = PHY_M_FELP_LED2_CTRL(LED_PAR_CTRL_ACT_BL) | |
| 509 | PHY_M_FELP_LED1_CTRL(LED_PAR_CTRL_LINK) | |
| 510 | PHY_M_FELP_LED0_CTRL(LED_PAR_CTRL_SPEED); |
| 511 | |
| 512 | gm_phy_write(hw, port, PHY_MARV_FE_LED_PAR, ctrl); |
| 513 | break; |
| 514 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 515 | case CHIP_ID_YUKON_XL: |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 516 | pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 517 | |
| 518 | /* select page 3 to access LED control register */ |
| 519 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 3); |
| 520 | |
| 521 | /* set LED Function Control register */ |
Stephen Hemminger | ed6d32c | 2006-05-08 15:11:33 -0700 | [diff] [blame] | 522 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, |
| 523 | (PHY_M_LEDC_LOS_CTRL(1) | /* LINK/ACT */ |
| 524 | PHY_M_LEDC_INIT_CTRL(7) | /* 10 Mbps */ |
| 525 | PHY_M_LEDC_STA1_CTRL(7) | /* 100 Mbps */ |
| 526 | PHY_M_LEDC_STA0_CTRL(7))); /* 1000 Mbps */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 527 | |
| 528 | /* set Polarity Control register */ |
| 529 | gm_phy_write(hw, port, PHY_MARV_PHY_STAT, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 530 | (PHY_M_POLC_LS1_P_MIX(4) | |
| 531 | PHY_M_POLC_IS0_P_MIX(4) | |
| 532 | PHY_M_POLC_LOS_CTRL(2) | |
| 533 | PHY_M_POLC_INIT_CTRL(2) | |
| 534 | PHY_M_POLC_STA1_CTRL(2) | |
| 535 | PHY_M_POLC_STA0_CTRL(2))); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 536 | |
| 537 | /* restore page register */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 538 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 539 | break; |
Stephen Hemminger | 9374549 | 2007-02-06 10:45:43 -0800 | [diff] [blame] | 540 | |
Stephen Hemminger | ed6d32c | 2006-05-08 15:11:33 -0700 | [diff] [blame] | 541 | case CHIP_ID_YUKON_EC_U: |
Stephen Hemminger | 9374549 | 2007-02-06 10:45:43 -0800 | [diff] [blame] | 542 | case CHIP_ID_YUKON_EX: |
Stephen Hemminger | ed4d416 | 2008-01-10 16:14:14 -0800 | [diff] [blame] | 543 | case CHIP_ID_YUKON_SUPR: |
Stephen Hemminger | ed6d32c | 2006-05-08 15:11:33 -0700 | [diff] [blame] | 544 | pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); |
| 545 | |
| 546 | /* select page 3 to access LED control register */ |
| 547 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 3); |
| 548 | |
| 549 | /* set LED Function Control register */ |
| 550 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, |
| 551 | (PHY_M_LEDC_LOS_CTRL(1) | /* LINK/ACT */ |
| 552 | PHY_M_LEDC_INIT_CTRL(8) | /* 10 Mbps */ |
| 553 | PHY_M_LEDC_STA1_CTRL(7) | /* 100 Mbps */ |
| 554 | PHY_M_LEDC_STA0_CTRL(7)));/* 1000 Mbps */ |
| 555 | |
| 556 | /* set Blink Rate in LED Timer Control Register */ |
| 557 | gm_phy_write(hw, port, PHY_MARV_INT_MASK, |
| 558 | ledctrl | PHY_M_LED_BLINK_RT(BLINK_84MS)); |
| 559 | /* restore page register */ |
| 560 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg); |
| 561 | break; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 562 | |
| 563 | default: |
| 564 | /* set Tx LED (LED_TX) to blink mode on Rx OR Tx activity */ |
| 565 | ledctrl |= PHY_M_LED_BLINK_RT(BLINK_84MS) | PHY_M_LEDC_TX_CTRL; |
Stephen Hemminger | a84d0a3 | 2008-02-22 16:00:33 -0800 | [diff] [blame] | 566 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 567 | /* turn off the Rx LED (LED_RX) */ |
Stephen Hemminger | a84d0a3 | 2008-02-22 16:00:33 -0800 | [diff] [blame] | 568 | ledover |= PHY_M_LED_MO_RX(MO_LED_OFF); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 569 | } |
| 570 | |
Stephen Hemminger | 0ce8b98 | 2008-06-17 09:04:27 -0700 | [diff] [blame] | 571 | if (hw->chip_id == CHIP_ID_YUKON_EC_U || hw->chip_id == CHIP_ID_YUKON_UL_2) { |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 572 | /* apply fixes in PHY AFE */ |
Stephen Hemminger | ed6d32c | 2006-05-08 15:11:33 -0700 | [diff] [blame] | 573 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 255); |
| 574 | |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 575 | /* increase differential signal amplitude in 10BASE-T */ |
Stephen Hemminger | ed6d32c | 2006-05-08 15:11:33 -0700 | [diff] [blame] | 576 | gm_phy_write(hw, port, 0x18, 0xaa99); |
| 577 | gm_phy_write(hw, port, 0x17, 0x2011); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 578 | |
Stephen Hemminger | 0ce8b98 | 2008-06-17 09:04:27 -0700 | [diff] [blame] | 579 | if (hw->chip_id == CHIP_ID_YUKON_EC_U) { |
| 580 | /* fix for IEEE A/B Symmetry failure in 1000BASE-T */ |
| 581 | gm_phy_write(hw, port, 0x18, 0xa204); |
| 582 | gm_phy_write(hw, port, 0x17, 0x2002); |
| 583 | } |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 584 | |
| 585 | /* set page register to 0 */ |
Stephen Hemminger | 9467a8f | 2007-04-07 16:02:28 -0700 | [diff] [blame] | 586 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 0); |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 587 | } else if (hw->chip_id == CHIP_ID_YUKON_FE_P && |
| 588 | hw->chip_rev == CHIP_REV_YU_FE2_A0) { |
| 589 | /* apply workaround for integrated resistors calibration */ |
| 590 | gm_phy_write(hw, port, PHY_MARV_PAGE_ADDR, 17); |
| 591 | gm_phy_write(hw, port, PHY_MARV_PAGE_DATA, 0x3f60); |
Stephen Hemminger | e1a74b3 | 2008-06-17 09:04:24 -0700 | [diff] [blame] | 592 | } else if (hw->chip_id != CHIP_ID_YUKON_EX && |
| 593 | hw->chip_id < CHIP_ID_YUKON_SUPR) { |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 594 | /* no effect on Yukon-XL */ |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 595 | gm_phy_write(hw, port, PHY_MARV_LED_CTRL, ledctrl); |
| 596 | |
| 597 | if (sky2->autoneg == AUTONEG_DISABLE || sky2->speed == SPEED_100) { |
| 598 | /* turn on 100 Mbps LED (LED_LINK100) */ |
Stephen Hemminger | a84d0a3 | 2008-02-22 16:00:33 -0800 | [diff] [blame] | 599 | ledover |= PHY_M_LED_MO_100(MO_LED_ON); |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 600 | } |
| 601 | |
| 602 | if (ledover) |
| 603 | gm_phy_write(hw, port, PHY_MARV_LED_OVER, ledover); |
| 604 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 605 | } |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 606 | |
shemminger@osdl.org | d571b69 | 2005-10-26 12:16:09 -0700 | [diff] [blame] | 607 | /* Enable phy interrupt on auto-negotiation complete (or link up) */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 608 | if (sky2->autoneg == AUTONEG_ENABLE) |
| 609 | gm_phy_write(hw, port, PHY_MARV_INT_MASK, PHY_M_IS_AN_COMPL); |
| 610 | else |
| 611 | gm_phy_write(hw, port, PHY_MARV_INT_MASK, PHY_M_DEF_MSK); |
| 612 | } |
| 613 | |
Stephen Hemminger | b96936d | 2008-05-14 17:04:15 -0700 | [diff] [blame] | 614 | static const u32 phy_power[] = { PCI_Y2_PHY1_POWD, PCI_Y2_PHY2_POWD }; |
| 615 | static const u32 coma_mode[] = { PCI_Y2_PHY1_COMA, PCI_Y2_PHY2_COMA }; |
| 616 | |
| 617 | static void sky2_phy_power_up(struct sky2_hw *hw, unsigned port) |
shemminger@osdl.org | d3bcfbe | 2006-08-28 10:00:51 -0700 | [diff] [blame] | 618 | { |
| 619 | u32 reg1; |
shemminger@osdl.org | d3bcfbe | 2006-08-28 10:00:51 -0700 | [diff] [blame] | 620 | |
Stephen Hemminger | 82637e8 | 2008-01-23 19:16:04 -0800 | [diff] [blame] | 621 | sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON); |
Stephen Hemminger | b32f40c | 2007-11-27 10:57:27 -0800 | [diff] [blame] | 622 | reg1 = sky2_pci_read32(hw, PCI_DEV_REG1); |
Stephen Hemminger | b96936d | 2008-05-14 17:04:15 -0700 | [diff] [blame] | 623 | reg1 &= ~phy_power[port]; |
shemminger@osdl.org | d3bcfbe | 2006-08-28 10:00:51 -0700 | [diff] [blame] | 624 | |
Stephen Hemminger | b96936d | 2008-05-14 17:04:15 -0700 | [diff] [blame] | 625 | if (hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev > 1) |
Stephen Hemminger | ff35164 | 2007-10-11 19:47:44 -0700 | [diff] [blame] | 626 | reg1 |= coma_mode[port]; |
| 627 | |
Stephen Hemminger | b32f40c | 2007-11-27 10:57:27 -0800 | [diff] [blame] | 628 | sky2_pci_write32(hw, PCI_DEV_REG1, reg1); |
Stephen Hemminger | 82637e8 | 2008-01-23 19:16:04 -0800 | [diff] [blame] | 629 | sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF); |
| 630 | sky2_pci_read32(hw, PCI_DEV_REG1); |
Stephen Hemminger | f71eb1a | 2008-08-04 13:33:37 -0700 | [diff] [blame] | 631 | |
| 632 | if (hw->chip_id == CHIP_ID_YUKON_FE) |
| 633 | gm_phy_write(hw, port, PHY_MARV_CTRL, PHY_CT_ANE); |
| 634 | else if (hw->flags & SKY2_HW_ADV_POWER_CTL) |
| 635 | sky2_write8(hw, SK_REG(port, GPHY_CTRL), GPC_RST_CLR); |
Stephen Hemminger | b96936d | 2008-05-14 17:04:15 -0700 | [diff] [blame] | 636 | } |
Stephen Hemminger | 167f53d | 2007-09-25 19:01:02 -0700 | [diff] [blame] | 637 | |
Stephen Hemminger | b96936d | 2008-05-14 17:04:15 -0700 | [diff] [blame] | 638 | static void sky2_phy_power_down(struct sky2_hw *hw, unsigned port) |
| 639 | { |
| 640 | u32 reg1; |
Stephen Hemminger | db99b98 | 2008-05-14 17:04:16 -0700 | [diff] [blame] | 641 | u16 ctrl; |
| 642 | |
| 643 | /* release GPHY Control reset */ |
| 644 | sky2_write8(hw, SK_REG(port, GPHY_CTRL), GPC_RST_CLR); |
| 645 | |
| 646 | /* release GMAC reset */ |
| 647 | sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_RST_CLR); |
| 648 | |
| 649 | if (hw->flags & SKY2_HW_NEWER_PHY) { |
| 650 | /* select page 2 to access MAC control register */ |
| 651 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 2); |
| 652 | |
| 653 | ctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL); |
| 654 | /* allow GMII Power Down */ |
| 655 | ctrl &= ~PHY_M_MAC_GMIF_PUP; |
| 656 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl); |
| 657 | |
| 658 | /* set page register back to 0 */ |
| 659 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 0); |
| 660 | } |
| 661 | |
| 662 | /* setup General Purpose Control Register */ |
| 663 | gma_write16(hw, port, GM_GP_CTRL, |
| 664 | GM_GPCR_FL_PASS | GM_GPCR_SPEED_100 | GM_GPCR_AU_ALL_DIS); |
| 665 | |
| 666 | if (hw->chip_id != CHIP_ID_YUKON_EC) { |
| 667 | if (hw->chip_id == CHIP_ID_YUKON_EC_U) { |
Rafael J. Wysocki | e484d5f | 2008-08-10 19:30:28 +0200 | [diff] [blame] | 668 | /* select page 2 to access MAC control register */ |
| 669 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 2); |
Stephen Hemminger | db99b98 | 2008-05-14 17:04:16 -0700 | [diff] [blame] | 670 | |
Rafael J. Wysocki | e484d5f | 2008-08-10 19:30:28 +0200 | [diff] [blame] | 671 | ctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL); |
Stephen Hemminger | db99b98 | 2008-05-14 17:04:16 -0700 | [diff] [blame] | 672 | /* enable Power Down */ |
| 673 | ctrl |= PHY_M_PC_POW_D_ENA; |
| 674 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl); |
Rafael J. Wysocki | e484d5f | 2008-08-10 19:30:28 +0200 | [diff] [blame] | 675 | |
| 676 | /* set page register back to 0 */ |
| 677 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 0); |
Stephen Hemminger | db99b98 | 2008-05-14 17:04:16 -0700 | [diff] [blame] | 678 | } |
| 679 | |
| 680 | /* set IEEE compatible Power Down Mode (dev. #4.99) */ |
| 681 | gm_phy_write(hw, port, PHY_MARV_CTRL, PHY_CT_PDOWN); |
| 682 | } |
Stephen Hemminger | b96936d | 2008-05-14 17:04:15 -0700 | [diff] [blame] | 683 | |
| 684 | sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON); |
| 685 | reg1 = sky2_pci_read32(hw, PCI_DEV_REG1); |
Stephen Hemminger | db99b98 | 2008-05-14 17:04:16 -0700 | [diff] [blame] | 686 | reg1 |= phy_power[port]; /* set PHY to PowerDown/COMA Mode */ |
Stephen Hemminger | b96936d | 2008-05-14 17:04:15 -0700 | [diff] [blame] | 687 | sky2_pci_write32(hw, PCI_DEV_REG1, reg1); |
| 688 | sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF); |
shemminger@osdl.org | d3bcfbe | 2006-08-28 10:00:51 -0700 | [diff] [blame] | 689 | } |
| 690 | |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 691 | /* Force a renegotiation */ |
| 692 | static void sky2_phy_reinit(struct sky2_port *sky2) |
| 693 | { |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 694 | spin_lock_bh(&sky2->phy_lock); |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 695 | sky2_phy_init(sky2->hw, sky2->port); |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 696 | spin_unlock_bh(&sky2->phy_lock); |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 697 | } |
| 698 | |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 699 | /* Put device in state to listen for Wake On Lan */ |
| 700 | static void sky2_wol_init(struct sky2_port *sky2) |
| 701 | { |
| 702 | struct sky2_hw *hw = sky2->hw; |
| 703 | unsigned port = sky2->port; |
| 704 | enum flow_control save_mode; |
| 705 | u16 ctrl; |
| 706 | u32 reg1; |
| 707 | |
| 708 | /* Bring hardware out of reset */ |
| 709 | sky2_write16(hw, B0_CTST, CS_RST_CLR); |
| 710 | sky2_write16(hw, SK_REG(port, GMAC_LINK_CTRL), GMLC_RST_CLR); |
| 711 | |
| 712 | sky2_write8(hw, SK_REG(port, GPHY_CTRL), GPC_RST_CLR); |
| 713 | sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_RST_CLR); |
| 714 | |
| 715 | /* Force to 10/100 |
| 716 | * sky2_reset will re-enable on resume |
| 717 | */ |
| 718 | save_mode = sky2->flow_mode; |
| 719 | ctrl = sky2->advertising; |
| 720 | |
| 721 | sky2->advertising &= ~(ADVERTISED_1000baseT_Half|ADVERTISED_1000baseT_Full); |
| 722 | sky2->flow_mode = FC_NONE; |
Stephen Hemminger | b96936d | 2008-05-14 17:04:15 -0700 | [diff] [blame] | 723 | |
| 724 | spin_lock_bh(&sky2->phy_lock); |
| 725 | sky2_phy_power_up(hw, port); |
| 726 | sky2_phy_init(hw, port); |
| 727 | spin_unlock_bh(&sky2->phy_lock); |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 728 | |
| 729 | sky2->flow_mode = save_mode; |
| 730 | sky2->advertising = ctrl; |
| 731 | |
| 732 | /* Set GMAC to no flow control and auto update for speed/duplex */ |
| 733 | gma_write16(hw, port, GM_GP_CTRL, |
| 734 | GM_GPCR_FC_TX_DIS|GM_GPCR_TX_ENA|GM_GPCR_RX_ENA| |
| 735 | GM_GPCR_DUP_FULL|GM_GPCR_FC_RX_DIS|GM_GPCR_AU_FCT_DIS); |
| 736 | |
| 737 | /* Set WOL address */ |
| 738 | memcpy_toio(hw->regs + WOL_REGS(port, WOL_MAC_ADDR), |
| 739 | sky2->netdev->dev_addr, ETH_ALEN); |
| 740 | |
| 741 | /* Turn on appropriate WOL control bits */ |
| 742 | sky2_write16(hw, WOL_REGS(port, WOL_CTRL_STAT), WOL_CTL_CLEAR_RESULT); |
| 743 | ctrl = 0; |
| 744 | if (sky2->wol & WAKE_PHY) |
| 745 | ctrl |= WOL_CTL_ENA_PME_ON_LINK_CHG|WOL_CTL_ENA_LINK_CHG_UNIT; |
| 746 | else |
| 747 | ctrl |= WOL_CTL_DIS_PME_ON_LINK_CHG|WOL_CTL_DIS_LINK_CHG_UNIT; |
| 748 | |
| 749 | if (sky2->wol & WAKE_MAGIC) |
| 750 | ctrl |= WOL_CTL_ENA_PME_ON_MAGIC_PKT|WOL_CTL_ENA_MAGIC_PKT_UNIT; |
| 751 | else |
| 752 | ctrl |= WOL_CTL_DIS_PME_ON_MAGIC_PKT|WOL_CTL_DIS_MAGIC_PKT_UNIT;; |
| 753 | |
| 754 | ctrl |= WOL_CTL_DIS_PME_ON_PATTERN|WOL_CTL_DIS_PATTERN_UNIT; |
| 755 | sky2_write16(hw, WOL_REGS(port, WOL_CTRL_STAT), ctrl); |
| 756 | |
| 757 | /* Turn on legacy PCI-Express PME mode */ |
Stephen Hemminger | b32f40c | 2007-11-27 10:57:27 -0800 | [diff] [blame] | 758 | reg1 = sky2_pci_read32(hw, PCI_DEV_REG1); |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 759 | reg1 |= PCI_Y2_PME_LEGACY; |
Stephen Hemminger | b32f40c | 2007-11-27 10:57:27 -0800 | [diff] [blame] | 760 | sky2_pci_write32(hw, PCI_DEV_REG1, reg1); |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 761 | |
| 762 | /* block receiver */ |
| 763 | sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_RST_SET); |
| 764 | |
| 765 | } |
| 766 | |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 767 | static void sky2_set_tx_stfwd(struct sky2_hw *hw, unsigned port) |
| 768 | { |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 769 | struct net_device *dev = hw->dev[port]; |
| 770 | |
Stephen Hemminger | ed4d416 | 2008-01-10 16:14:14 -0800 | [diff] [blame] | 771 | if ( (hw->chip_id == CHIP_ID_YUKON_EX && |
| 772 | hw->chip_rev != CHIP_REV_YU_EX_A0) || |
| 773 | hw->chip_id == CHIP_ID_YUKON_FE_P || |
| 774 | hw->chip_id == CHIP_ID_YUKON_SUPR) { |
| 775 | /* Yukon-Extreme B0 and further Extreme devices */ |
| 776 | /* enable Store & Forward mode for TX */ |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 777 | |
Stephen Hemminger | ed4d416 | 2008-01-10 16:14:14 -0800 | [diff] [blame] | 778 | if (dev->mtu <= ETH_DATA_LEN) |
| 779 | sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), |
| 780 | TX_JUMBO_DIS | TX_STFW_ENA); |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 781 | |
Stephen Hemminger | ed4d416 | 2008-01-10 16:14:14 -0800 | [diff] [blame] | 782 | else |
| 783 | sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), |
| 784 | TX_JUMBO_ENA| TX_STFW_ENA); |
| 785 | } else { |
| 786 | if (dev->mtu <= ETH_DATA_LEN) |
| 787 | sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), TX_STFW_ENA); |
| 788 | else { |
| 789 | /* set Tx GMAC FIFO Almost Empty Threshold */ |
| 790 | sky2_write32(hw, SK_REG(port, TX_GMF_AE_THR), |
| 791 | (ECU_JUMBO_WM << 16) | ECU_AE_THR); |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 792 | |
Stephen Hemminger | ed4d416 | 2008-01-10 16:14:14 -0800 | [diff] [blame] | 793 | sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), TX_STFW_DIS); |
| 794 | |
| 795 | /* Can't do offload because of lack of store/forward */ |
| 796 | dev->features &= ~(NETIF_F_TSO | NETIF_F_SG | NETIF_F_ALL_CSUM); |
| 797 | } |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 798 | } |
| 799 | } |
| 800 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 801 | static void sky2_mac_init(struct sky2_hw *hw, unsigned port) |
| 802 | { |
| 803 | struct sky2_port *sky2 = netdev_priv(hw->dev[port]); |
| 804 | u16 reg; |
Al Viro | 25cccec | 2007-07-20 16:07:33 +0100 | [diff] [blame] | 805 | u32 rx_reg; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 806 | int i; |
| 807 | const u8 *addr = hw->dev[port]->dev_addr; |
| 808 | |
Stephen Hemminger | f350339 | 2007-08-21 11:10:22 -0700 | [diff] [blame] | 809 | sky2_write8(hw, SK_REG(port, GPHY_CTRL), GPC_RST_SET); |
| 810 | sky2_write8(hw, SK_REG(port, GPHY_CTRL), GPC_RST_CLR); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 811 | |
| 812 | sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_RST_CLR); |
| 813 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 814 | 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] | 815 | /* WA DEV_472 -- looks like crossed wires on port 2 */ |
| 816 | /* clear GMAC 1 Control reset */ |
| 817 | sky2_write8(hw, SK_REG(0, GMAC_CTRL), GMC_RST_CLR); |
| 818 | do { |
| 819 | sky2_write8(hw, SK_REG(1, GMAC_CTRL), GMC_RST_SET); |
| 820 | sky2_write8(hw, SK_REG(1, GMAC_CTRL), GMC_RST_CLR); |
| 821 | } while (gm_phy_read(hw, 1, PHY_MARV_ID0) != PHY_MARV_ID0_VAL || |
| 822 | gm_phy_read(hw, 1, PHY_MARV_ID1) != PHY_MARV_ID1_Y2 || |
| 823 | gm_phy_read(hw, 1, PHY_MARV_INT_MASK) != 0); |
| 824 | } |
| 825 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 826 | sky2_read16(hw, SK_REG(port, GMAC_IRQ_SRC)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 827 | |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 828 | /* Enable Transmit FIFO Underrun */ |
| 829 | sky2_write8(hw, SK_REG(port, GMAC_IRQ_MSK), GMAC_DEF_MSK); |
| 830 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 831 | spin_lock_bh(&sky2->phy_lock); |
Stephen Hemminger | b96936d | 2008-05-14 17:04:15 -0700 | [diff] [blame] | 832 | sky2_phy_power_up(hw, port); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 833 | sky2_phy_init(hw, port); |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 834 | spin_unlock_bh(&sky2->phy_lock); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 835 | |
| 836 | /* MIB clear */ |
| 837 | reg = gma_read16(hw, port, GM_PHY_ADDR); |
| 838 | gma_write16(hw, port, GM_PHY_ADDR, reg | GM_PAR_MIB_CLR); |
| 839 | |
Stephen Hemminger | 43f2f10 | 2006-04-05 17:47:15 -0700 | [diff] [blame] | 840 | for (i = GM_MIB_CNT_BASE; i <= GM_MIB_CNT_END; i += 4) |
| 841 | gma_read16(hw, port, i); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 842 | gma_write16(hw, port, GM_PHY_ADDR, reg); |
| 843 | |
| 844 | /* transmit control */ |
| 845 | gma_write16(hw, port, GM_TX_CTRL, TX_COL_THR(TX_COL_DEF)); |
| 846 | |
| 847 | /* receive control reg: unicast + multicast + no FCS */ |
| 848 | gma_write16(hw, port, GM_RX_CTRL, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 849 | GM_RXCR_UCF_ENA | GM_RXCR_CRC_DIS | GM_RXCR_MCF_ENA); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 850 | |
| 851 | /* transmit flow control */ |
| 852 | gma_write16(hw, port, GM_TX_FLOW_CTRL, 0xffff); |
| 853 | |
| 854 | /* transmit parameter */ |
| 855 | gma_write16(hw, port, GM_TX_PARAM, |
| 856 | TX_JAM_LEN_VAL(TX_JAM_LEN_DEF) | |
| 857 | TX_JAM_IPG_VAL(TX_JAM_IPG_DEF) | |
| 858 | TX_IPG_JAM_DATA(TX_IPG_JAM_DEF) | |
| 859 | TX_BACK_OFF_LIM(TX_BOF_LIM_DEF)); |
| 860 | |
| 861 | /* serial mode register */ |
| 862 | reg = DATA_BLIND_VAL(DATA_BLIND_DEF) | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 863 | GM_SMOD_VLAN_ENA | IPG_DATA_VAL(IPG_DATA_DEF); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 864 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 865 | if (hw->dev[port]->mtu > ETH_DATA_LEN) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 866 | reg |= GM_SMOD_JUMBO_ENA; |
| 867 | |
| 868 | gma_write16(hw, port, GM_SERIAL_MODE, reg); |
| 869 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 870 | /* virtual address for data */ |
| 871 | gma_set_addr(hw, port, GM_SRC_ADDR_2L, addr); |
| 872 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 873 | /* physical address: used for pause frames */ |
| 874 | gma_set_addr(hw, port, GM_SRC_ADDR_1L, addr); |
| 875 | |
| 876 | /* ignore counter overflows */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 877 | gma_write16(hw, port, GM_TX_IRQ_MSK, 0); |
| 878 | gma_write16(hw, port, GM_RX_IRQ_MSK, 0); |
| 879 | gma_write16(hw, port, GM_TR_IRQ_MSK, 0); |
| 880 | |
| 881 | /* Configure Rx MAC FIFO */ |
| 882 | sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_RST_CLR); |
Al Viro | 25cccec | 2007-07-20 16:07:33 +0100 | [diff] [blame] | 883 | rx_reg = GMF_OPER_ON | GMF_RX_F_FL_ON; |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 884 | if (hw->chip_id == CHIP_ID_YUKON_EX || |
| 885 | hw->chip_id == CHIP_ID_YUKON_FE_P) |
Al Viro | 25cccec | 2007-07-20 16:07:33 +0100 | [diff] [blame] | 886 | rx_reg |= GMF_RX_OVER_ON; |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 887 | |
Al Viro | 25cccec | 2007-07-20 16:07:33 +0100 | [diff] [blame] | 888 | sky2_write32(hw, SK_REG(port, RX_GMF_CTRL_T), rx_reg); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 889 | |
Stephen Hemminger | 798fdd0 | 2007-12-07 15:22:15 -0800 | [diff] [blame] | 890 | if (hw->chip_id == CHIP_ID_YUKON_XL) { |
| 891 | /* Hardware errata - clear flush mask */ |
| 892 | sky2_write16(hw, SK_REG(port, RX_GMF_FL_MSK), 0); |
| 893 | } else { |
| 894 | /* Flush Rx MAC FIFO on any flow control or error */ |
| 895 | sky2_write16(hw, SK_REG(port, RX_GMF_FL_MSK), GMR_FS_ANY_ERR); |
| 896 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 897 | |
Stephen Hemminger | 8df9a87 | 2006-12-01 14:29:35 -0800 | [diff] [blame] | 898 | /* Set threshold to 0xa (64 bytes) + 1 to workaround pause bug */ |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 899 | reg = RX_GMF_FL_THR_DEF + 1; |
| 900 | /* Another magic mystery workaround from sk98lin */ |
| 901 | if (hw->chip_id == CHIP_ID_YUKON_FE_P && |
| 902 | hw->chip_rev == CHIP_REV_YU_FE2_A0) |
| 903 | reg = 0x178; |
| 904 | sky2_write16(hw, SK_REG(port, RX_GMF_FL_THR), reg); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 905 | |
| 906 | /* Configure Tx MAC FIFO */ |
| 907 | sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_RST_CLR); |
| 908 | 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] | 909 | |
Stephen Hemminger | e0c2811 | 2007-09-20 13:03:49 -0700 | [diff] [blame] | 910 | /* On chips without ram buffer, pause is controled by MAC level */ |
Stephen Hemminger | 39dbd95 | 2008-02-04 19:45:13 -0800 | [diff] [blame] | 911 | if (!(hw->flags & SKY2_HW_RAM_BUFFER)) { |
Stephen Hemminger | 8df9a87 | 2006-12-01 14:29:35 -0800 | [diff] [blame] | 912 | 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] | 913 | sky2_write8(hw, SK_REG(port, RX_GMF_UP_THR), 1024/8); |
Stephen Hemminger | b628ed9 | 2007-04-11 14:48:01 -0700 | [diff] [blame] | 914 | |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 915 | sky2_set_tx_stfwd(hw, port); |
shemminger@osdl.org | 5a5b1ea | 2005-11-30 11:45:15 -0800 | [diff] [blame] | 916 | } |
| 917 | |
Stephen Hemminger | e970d1f | 2007-11-27 11:02:07 -0800 | [diff] [blame] | 918 | if (hw->chip_id == CHIP_ID_YUKON_FE_P && |
| 919 | hw->chip_rev == CHIP_REV_YU_FE2_A0) { |
| 920 | /* disable dynamic watermark */ |
| 921 | reg = sky2_read16(hw, SK_REG(port, TX_GMF_EA)); |
| 922 | reg &= ~TX_DYN_WM_ENA; |
| 923 | sky2_write16(hw, SK_REG(port, TX_GMF_EA), reg); |
| 924 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 925 | } |
| 926 | |
Stephen Hemminger | 6771290 | 2006-12-04 15:53:45 -0800 | [diff] [blame] | 927 | /* Assign Ram Buffer allocation to queue */ |
| 928 | 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] | 929 | { |
Stephen Hemminger | 6771290 | 2006-12-04 15:53:45 -0800 | [diff] [blame] | 930 | u32 end; |
| 931 | |
| 932 | /* convert from K bytes to qwords used for hw register */ |
| 933 | start *= 1024/8; |
| 934 | space *= 1024/8; |
| 935 | end = start + space - 1; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 936 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 937 | sky2_write8(hw, RB_ADDR(q, RB_CTRL), RB_RST_CLR); |
| 938 | sky2_write32(hw, RB_ADDR(q, RB_START), start); |
| 939 | sky2_write32(hw, RB_ADDR(q, RB_END), end); |
| 940 | sky2_write32(hw, RB_ADDR(q, RB_WP), start); |
| 941 | sky2_write32(hw, RB_ADDR(q, RB_RP), start); |
| 942 | |
| 943 | if (q == Q_R1 || q == Q_R2) { |
Stephen Hemminger | 1c28f6b | 2006-01-17 13:43:13 -0800 | [diff] [blame] | 944 | u32 tp = space - space/4; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 945 | |
Stephen Hemminger | 1c28f6b | 2006-01-17 13:43:13 -0800 | [diff] [blame] | 946 | /* On receive queue's set the thresholds |
| 947 | * give receiver priority when > 3/4 full |
| 948 | * send pause when down to 2K |
| 949 | */ |
| 950 | sky2_write32(hw, RB_ADDR(q, RB_RX_UTHP), tp); |
| 951 | sky2_write32(hw, RB_ADDR(q, RB_RX_LTHP), space/2); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 952 | |
Stephen Hemminger | 1c28f6b | 2006-01-17 13:43:13 -0800 | [diff] [blame] | 953 | tp = space - 2048/8; |
| 954 | sky2_write32(hw, RB_ADDR(q, RB_RX_UTPP), tp); |
| 955 | sky2_write32(hw, RB_ADDR(q, RB_RX_LTPP), space/4); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 956 | } else { |
| 957 | /* Enable store & forward on Tx queue's because |
| 958 | * Tx FIFO is only 1K on Yukon |
| 959 | */ |
| 960 | sky2_write8(hw, RB_ADDR(q, RB_CTRL), RB_ENA_STFWD); |
| 961 | } |
| 962 | |
| 963 | sky2_write8(hw, RB_ADDR(q, RB_CTRL), RB_ENA_OP_MD); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 964 | sky2_read8(hw, RB_ADDR(q, RB_CTRL)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 965 | } |
| 966 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 967 | /* Setup Bus Memory Interface */ |
shemminger@osdl.org | af4ed7e | 2005-11-30 11:45:21 -0800 | [diff] [blame] | 968 | static void sky2_qset(struct sky2_hw *hw, u16 q) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 969 | { |
| 970 | sky2_write32(hw, Q_ADDR(q, Q_CSR), BMU_CLR_RESET); |
| 971 | sky2_write32(hw, Q_ADDR(q, Q_CSR), BMU_OPER_INIT); |
| 972 | 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] | 973 | sky2_write32(hw, Q_ADDR(q, Q_WM), BMU_WM_DEFAULT); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 974 | } |
| 975 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 976 | /* Setup prefetch unit registers. This is the interface between |
| 977 | * hardware and driver list elements |
| 978 | */ |
Stephen Hemminger | 8cc048e | 2005-12-09 11:35:07 -0800 | [diff] [blame] | 979 | static void sky2_prefetch_init(struct sky2_hw *hw, u32 qaddr, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 980 | u64 addr, u32 last) |
| 981 | { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 982 | sky2_write32(hw, Y2_QADDR(qaddr, PREF_UNIT_CTRL), PREF_UNIT_RST_SET); |
| 983 | sky2_write32(hw, Y2_QADDR(qaddr, PREF_UNIT_CTRL), PREF_UNIT_RST_CLR); |
| 984 | sky2_write32(hw, Y2_QADDR(qaddr, PREF_UNIT_ADDR_HI), addr >> 32); |
| 985 | sky2_write32(hw, Y2_QADDR(qaddr, PREF_UNIT_ADDR_LO), (u32) addr); |
| 986 | sky2_write16(hw, Y2_QADDR(qaddr, PREF_UNIT_LAST_IDX), last); |
| 987 | 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] | 988 | |
| 989 | sky2_read32(hw, Y2_QADDR(qaddr, PREF_UNIT_CTRL)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 990 | } |
| 991 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 992 | static inline struct sky2_tx_le *get_tx_le(struct sky2_port *sky2) |
| 993 | { |
| 994 | struct sky2_tx_le *le = sky2->tx_le + sky2->tx_prod; |
| 995 | |
Stephen Hemminger | cb5d954 | 2006-05-08 15:11:29 -0700 | [diff] [blame] | 996 | sky2->tx_prod = RING_NEXT(sky2->tx_prod, TX_RING_SIZE); |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 997 | le->ctrl = 0; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 998 | return le; |
| 999 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1000 | |
Stephen Hemminger | 88f5f0c | 2007-09-27 12:38:12 -0700 | [diff] [blame] | 1001 | static void tx_init(struct sky2_port *sky2) |
| 1002 | { |
| 1003 | struct sky2_tx_le *le; |
| 1004 | |
| 1005 | sky2->tx_prod = sky2->tx_cons = 0; |
| 1006 | sky2->tx_tcpsum = 0; |
| 1007 | sky2->tx_last_mss = 0; |
| 1008 | |
| 1009 | le = get_tx_le(sky2); |
| 1010 | le->addr = 0; |
| 1011 | le->opcode = OP_ADDR64 | HW_OWNER; |
Stephen Hemminger | 88f5f0c | 2007-09-27 12:38:12 -0700 | [diff] [blame] | 1012 | } |
| 1013 | |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1014 | static inline struct tx_ring_info *tx_le_re(struct sky2_port *sky2, |
| 1015 | struct sky2_tx_le *le) |
| 1016 | { |
| 1017 | return sky2->tx_ring + (le - sky2->tx_le); |
| 1018 | } |
| 1019 | |
Stephen Hemminger | 290d4de | 2006-03-20 15:48:15 -0800 | [diff] [blame] | 1020 | /* Update chip's next pointer */ |
| 1021 | 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] | 1022 | { |
Stephen Hemminger | 50432cb | 2007-05-14 12:38:15 -0700 | [diff] [blame] | 1023 | /* Make sure write' to descriptors are complete before we tell hardware */ |
Stephen Hemminger | 762c2de | 2006-01-17 13:43:14 -0800 | [diff] [blame] | 1024 | wmb(); |
Stephen Hemminger | 50432cb | 2007-05-14 12:38:15 -0700 | [diff] [blame] | 1025 | sky2_write16(hw, Y2_QADDR(q, PREF_UNIT_PUT_IDX), idx); |
| 1026 | |
| 1027 | /* Synchronize I/O on since next processor may write to tail */ |
| 1028 | mmiowb(); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1029 | } |
| 1030 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1031 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1032 | static inline struct sky2_rx_le *sky2_next_rx(struct sky2_port *sky2) |
| 1033 | { |
| 1034 | struct sky2_rx_le *le = sky2->rx_le + sky2->rx_put; |
Stephen Hemminger | cb5d954 | 2006-05-08 15:11:29 -0700 | [diff] [blame] | 1035 | sky2->rx_put = RING_NEXT(sky2->rx_put, RX_LE_SIZE); |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1036 | le->ctrl = 0; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1037 | return le; |
| 1038 | } |
| 1039 | |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1040 | /* Build description to hardware for one receive segment */ |
| 1041 | static void sky2_rx_add(struct sky2_port *sky2, u8 op, |
| 1042 | dma_addr_t map, unsigned len) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1043 | { |
| 1044 | struct sky2_rx_le *le; |
| 1045 | |
Stephen Hemminger | 86c6887 | 2008-01-10 16:14:12 -0800 | [diff] [blame] | 1046 | if (sizeof(dma_addr_t) > sizeof(u32)) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1047 | le = sky2_next_rx(sky2); |
Stephen Hemminger | 86c6887 | 2008-01-10 16:14:12 -0800 | [diff] [blame] | 1048 | le->addr = cpu_to_le32(upper_32_bits(map)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1049 | le->opcode = OP_ADDR64 | HW_OWNER; |
| 1050 | } |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1051 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1052 | le = sky2_next_rx(sky2); |
Stephen Hemminger | 734d186 | 2005-12-09 11:35:00 -0800 | [diff] [blame] | 1053 | le->addr = cpu_to_le32((u32) map); |
| 1054 | le->length = cpu_to_le16(len); |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1055 | le->opcode = op | HW_OWNER; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1056 | } |
| 1057 | |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1058 | /* Build description to hardware for one possibly fragmented skb */ |
| 1059 | static void sky2_rx_submit(struct sky2_port *sky2, |
| 1060 | const struct rx_ring_info *re) |
| 1061 | { |
| 1062 | int i; |
| 1063 | |
| 1064 | sky2_rx_add(sky2, OP_PACKET, re->data_addr, sky2->rx_data_size); |
| 1065 | |
| 1066 | for (i = 0; i < skb_shinfo(re->skb)->nr_frags; i++) |
| 1067 | sky2_rx_add(sky2, OP_BUFFER, re->frag_addr[i], PAGE_SIZE); |
| 1068 | } |
| 1069 | |
| 1070 | |
Stephen Hemminger | 454e6cb6 | 2009-02-03 11:27:28 +0000 | [diff] [blame] | 1071 | static int sky2_rx_map_skb(struct pci_dev *pdev, struct rx_ring_info *re, |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1072 | unsigned size) |
| 1073 | { |
| 1074 | struct sk_buff *skb = re->skb; |
| 1075 | int i; |
| 1076 | |
| 1077 | re->data_addr = pci_map_single(pdev, skb->data, size, PCI_DMA_FROMDEVICE); |
Stephen Hemminger | 454e6cb6 | 2009-02-03 11:27:28 +0000 | [diff] [blame] | 1078 | if (unlikely(pci_dma_mapping_error(pdev, re->data_addr))) |
| 1079 | return -EIO; |
| 1080 | |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1081 | pci_unmap_len_set(re, data_size, size); |
| 1082 | |
| 1083 | for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) |
| 1084 | re->frag_addr[i] = pci_map_page(pdev, |
| 1085 | skb_shinfo(skb)->frags[i].page, |
| 1086 | skb_shinfo(skb)->frags[i].page_offset, |
| 1087 | skb_shinfo(skb)->frags[i].size, |
| 1088 | PCI_DMA_FROMDEVICE); |
Stephen Hemminger | 454e6cb6 | 2009-02-03 11:27:28 +0000 | [diff] [blame] | 1089 | return 0; |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1090 | } |
| 1091 | |
| 1092 | static void sky2_rx_unmap_skb(struct pci_dev *pdev, struct rx_ring_info *re) |
| 1093 | { |
| 1094 | struct sk_buff *skb = re->skb; |
| 1095 | int i; |
| 1096 | |
| 1097 | pci_unmap_single(pdev, re->data_addr, pci_unmap_len(re, data_size), |
| 1098 | PCI_DMA_FROMDEVICE); |
| 1099 | |
| 1100 | for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) |
| 1101 | pci_unmap_page(pdev, re->frag_addr[i], |
| 1102 | skb_shinfo(skb)->frags[i].size, |
| 1103 | PCI_DMA_FROMDEVICE); |
| 1104 | } |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1105 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1106 | /* Tell chip where to start receive checksum. |
| 1107 | * Actually has two checksums, but set both same to avoid possible byte |
| 1108 | * order problems. |
| 1109 | */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1110 | static void rx_set_checksum(struct sky2_port *sky2) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1111 | { |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 1112 | struct sky2_rx_le *le = sky2_next_rx(sky2); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1113 | |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 1114 | le->addr = cpu_to_le32((ETH_HLEN << 16) | ETH_HLEN); |
| 1115 | le->ctrl = 0; |
| 1116 | le->opcode = OP_TCPSTART | HW_OWNER; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1117 | |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 1118 | sky2_write32(sky2->hw, |
| 1119 | Q_ADDR(rxqaddr[sky2->port], Q_CSR), |
| 1120 | sky2->rx_csum ? BMU_ENA_RX_CHKSUM : BMU_DIS_RX_CHKSUM); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1121 | } |
| 1122 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1123 | /* |
| 1124 | * The RX Stop command will not work for Yukon-2 if the BMU does not |
| 1125 | * reach the end of packet and since we can't make sure that we have |
| 1126 | * incoming data, we must reset the BMU while it is not doing a DMA |
| 1127 | * transfer. Since it is possible that the RX path is still active, |
| 1128 | * the RX RAM buffer will be stopped first, so any possible incoming |
| 1129 | * data will not trigger a DMA. After the RAM buffer is stopped, the |
| 1130 | * BMU is polled until any DMA in progress is ended and only then it |
| 1131 | * will be reset. |
| 1132 | */ |
| 1133 | static void sky2_rx_stop(struct sky2_port *sky2) |
| 1134 | { |
| 1135 | struct sky2_hw *hw = sky2->hw; |
| 1136 | unsigned rxq = rxqaddr[sky2->port]; |
| 1137 | int i; |
| 1138 | |
| 1139 | /* disable the RAM Buffer receive queue */ |
| 1140 | sky2_write8(hw, RB_ADDR(rxq, RB_CTRL), RB_DIS_OP_MD); |
| 1141 | |
| 1142 | for (i = 0; i < 0xffff; i++) |
| 1143 | if (sky2_read8(hw, RB_ADDR(rxq, Q_RSL)) |
| 1144 | == sky2_read8(hw, RB_ADDR(rxq, Q_RL))) |
| 1145 | goto stopped; |
| 1146 | |
| 1147 | printk(KERN_WARNING PFX "%s: receiver stop failed\n", |
| 1148 | sky2->netdev->name); |
| 1149 | stopped: |
| 1150 | sky2_write32(hw, Q_ADDR(rxq, Q_CSR), BMU_RST_SET | BMU_FIFO_RST); |
| 1151 | |
| 1152 | /* reset the Rx prefetch unit */ |
| 1153 | sky2_write32(hw, Y2_QADDR(rxq, PREF_UNIT_CTRL), PREF_UNIT_RST_SET); |
Stephen Hemminger | 50432cb | 2007-05-14 12:38:15 -0700 | [diff] [blame] | 1154 | mmiowb(); |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1155 | } |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1156 | |
shemminger@osdl.org | d571b69 | 2005-10-26 12:16:09 -0700 | [diff] [blame] | 1157 | /* Clean out receive buffer area, assumes receiver hardware stopped */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1158 | static void sky2_rx_clean(struct sky2_port *sky2) |
| 1159 | { |
| 1160 | unsigned i; |
| 1161 | |
| 1162 | memset(sky2->rx_le, 0, RX_LE_BYTES); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1163 | for (i = 0; i < sky2->rx_pending; i++) { |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1164 | struct rx_ring_info *re = sky2->rx_ring + i; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1165 | |
| 1166 | if (re->skb) { |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1167 | sky2_rx_unmap_skb(sky2->hw->pdev, re); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1168 | kfree_skb(re->skb); |
| 1169 | re->skb = NULL; |
| 1170 | } |
| 1171 | } |
| 1172 | } |
| 1173 | |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 1174 | /* Basic MII support */ |
| 1175 | static int sky2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) |
| 1176 | { |
| 1177 | struct mii_ioctl_data *data = if_mii(ifr); |
| 1178 | struct sky2_port *sky2 = netdev_priv(dev); |
| 1179 | struct sky2_hw *hw = sky2->hw; |
| 1180 | int err = -EOPNOTSUPP; |
| 1181 | |
| 1182 | if (!netif_running(dev)) |
| 1183 | return -ENODEV; /* Phy still in reset */ |
| 1184 | |
Stephen Hemminger | d89e134 | 2006-03-20 15:48:20 -0800 | [diff] [blame] | 1185 | switch (cmd) { |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 1186 | case SIOCGMIIPHY: |
| 1187 | data->phy_id = PHY_ADDR_MARV; |
| 1188 | |
| 1189 | /* fallthru */ |
| 1190 | case SIOCGMIIREG: { |
| 1191 | u16 val = 0; |
Stephen Hemminger | 91c86df | 2005-12-09 11:34:57 -0800 | [diff] [blame] | 1192 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1193 | spin_lock_bh(&sky2->phy_lock); |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 1194 | err = __gm_phy_read(hw, sky2->port, data->reg_num & 0x1f, &val); |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1195 | spin_unlock_bh(&sky2->phy_lock); |
Stephen Hemminger | 91c86df | 2005-12-09 11:34:57 -0800 | [diff] [blame] | 1196 | |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 1197 | data->val_out = val; |
| 1198 | break; |
| 1199 | } |
| 1200 | |
| 1201 | case SIOCSMIIREG: |
| 1202 | if (!capable(CAP_NET_ADMIN)) |
| 1203 | return -EPERM; |
| 1204 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1205 | spin_lock_bh(&sky2->phy_lock); |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 1206 | err = gm_phy_write(hw, sky2->port, data->reg_num & 0x1f, |
| 1207 | data->val_in); |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1208 | spin_unlock_bh(&sky2->phy_lock); |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 1209 | break; |
| 1210 | } |
| 1211 | return err; |
| 1212 | } |
| 1213 | |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 1214 | #ifdef SKY2_VLAN_TAG_USED |
Stephen Hemminger | d494eac | 2008-05-14 17:04:13 -0700 | [diff] [blame] | 1215 | static void sky2_set_vlan_mode(struct sky2_hw *hw, u16 port, bool onoff) |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 1216 | { |
Stephen Hemminger | d494eac | 2008-05-14 17:04:13 -0700 | [diff] [blame] | 1217 | if (onoff) { |
Stephen Hemminger | 3d4e66f | 2007-06-01 09:43:58 -0700 | [diff] [blame] | 1218 | sky2_write32(hw, SK_REG(port, RX_GMF_CTRL_T), |
| 1219 | RX_VLAN_STRIP_ON); |
| 1220 | sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), |
| 1221 | TX_VLAN_TAG_ON); |
| 1222 | } else { |
| 1223 | sky2_write32(hw, SK_REG(port, RX_GMF_CTRL_T), |
| 1224 | RX_VLAN_STRIP_OFF); |
| 1225 | sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), |
| 1226 | TX_VLAN_TAG_OFF); |
| 1227 | } |
Stephen Hemminger | d494eac | 2008-05-14 17:04:13 -0700 | [diff] [blame] | 1228 | } |
| 1229 | |
| 1230 | static void sky2_vlan_rx_register(struct net_device *dev, struct vlan_group *grp) |
| 1231 | { |
| 1232 | struct sky2_port *sky2 = netdev_priv(dev); |
| 1233 | struct sky2_hw *hw = sky2->hw; |
| 1234 | u16 port = sky2->port; |
| 1235 | |
| 1236 | netif_tx_lock_bh(dev); |
| 1237 | napi_disable(&hw->napi); |
| 1238 | |
| 1239 | sky2->vlgrp = grp; |
| 1240 | sky2_set_vlan_mode(hw, port, grp != NULL); |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 1241 | |
David S. Miller | d1d08d1 | 2008-01-07 20:53:33 -0800 | [diff] [blame] | 1242 | sky2_read32(hw, B0_Y2_SP_LISR); |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 1243 | napi_enable(&hw->napi); |
Stephen Hemminger | 2bb8c26 | 2006-09-26 11:57:42 -0700 | [diff] [blame] | 1244 | netif_tx_unlock_bh(dev); |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 1245 | } |
| 1246 | #endif |
| 1247 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1248 | /* |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1249 | * Allocate an skb for receiving. If the MTU is large enough |
| 1250 | * make the skb non-linear with a fragment list of pages. |
Stephen Hemminger | 82788c7 | 2006-01-17 13:43:10 -0800 | [diff] [blame] | 1251 | */ |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1252 | static struct sk_buff *sky2_rx_alloc(struct sky2_port *sky2) |
Stephen Hemminger | 82788c7 | 2006-01-17 13:43:10 -0800 | [diff] [blame] | 1253 | { |
| 1254 | struct sk_buff *skb; |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1255 | int i; |
Stephen Hemminger | 82788c7 | 2006-01-17 13:43:10 -0800 | [diff] [blame] | 1256 | |
Stephen Hemminger | 39dbd95 | 2008-02-04 19:45:13 -0800 | [diff] [blame] | 1257 | if (sky2->hw->flags & SKY2_HW_RAM_BUFFER) { |
Stephen Hemminger | f03b865 | 2007-11-28 14:27:03 -0800 | [diff] [blame] | 1258 | unsigned char *start; |
| 1259 | /* |
| 1260 | * Workaround for a bug in FIFO that cause hang |
| 1261 | * if the FIFO if the receive buffer is not 64 byte aligned. |
| 1262 | * The buffer returned from netdev_alloc_skb is |
| 1263 | * aligned except if slab debugging is enabled. |
| 1264 | */ |
| 1265 | skb = netdev_alloc_skb(sky2->netdev, sky2->rx_data_size + 8); |
| 1266 | if (!skb) |
| 1267 | goto nomem; |
| 1268 | start = PTR_ALIGN(skb->data, 8); |
| 1269 | skb_reserve(skb, start - skb->data); |
| 1270 | } else { |
| 1271 | skb = netdev_alloc_skb(sky2->netdev, |
| 1272 | sky2->rx_data_size + NET_IP_ALIGN); |
| 1273 | if (!skb) |
| 1274 | goto nomem; |
| 1275 | skb_reserve(skb, NET_IP_ALIGN); |
| 1276 | } |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1277 | |
| 1278 | for (i = 0; i < sky2->rx_nfrags; i++) { |
| 1279 | struct page *page = alloc_page(GFP_ATOMIC); |
| 1280 | |
| 1281 | if (!page) |
| 1282 | goto free_partial; |
| 1283 | skb_fill_page_desc(skb, i, page, 0, PAGE_SIZE); |
Stephen Hemminger | 82788c7 | 2006-01-17 13:43:10 -0800 | [diff] [blame] | 1284 | } |
| 1285 | |
| 1286 | return skb; |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1287 | free_partial: |
| 1288 | kfree_skb(skb); |
| 1289 | nomem: |
| 1290 | return NULL; |
Stephen Hemminger | 82788c7 | 2006-01-17 13:43:10 -0800 | [diff] [blame] | 1291 | } |
| 1292 | |
Stephen Hemminger | 55c9dd3 | 2007-07-09 15:33:37 -0700 | [diff] [blame] | 1293 | static inline void sky2_rx_update(struct sky2_port *sky2, unsigned rxq) |
| 1294 | { |
| 1295 | sky2_put_idx(sky2->hw, rxq, sky2->rx_put); |
| 1296 | } |
| 1297 | |
Stephen Hemminger | 82788c7 | 2006-01-17 13:43:10 -0800 | [diff] [blame] | 1298 | /* |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1299 | * Allocate and setup receiver buffer pool. |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1300 | * Normal case this ends up creating one list element for skb |
| 1301 | * in the receive ring. Worst case if using large MTU and each |
| 1302 | * allocation falls on a different 64 bit region, that results |
| 1303 | * in 6 list elements per ring entry. |
| 1304 | * One element is used for checksum enable/disable, and one |
| 1305 | * extra to avoid wrap. |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1306 | */ |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1307 | static int sky2_rx_start(struct sky2_port *sky2) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1308 | { |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1309 | struct sky2_hw *hw = sky2->hw; |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1310 | struct rx_ring_info *re; |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1311 | unsigned rxq = rxqaddr[sky2->port]; |
Stephen Hemminger | 5f06eba | 2007-11-28 14:50:16 -0800 | [diff] [blame] | 1312 | unsigned i, size, thresh; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1313 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1314 | sky2->rx_put = sky2->rx_next = 0; |
shemminger@osdl.org | af4ed7e | 2005-11-30 11:45:21 -0800 | [diff] [blame] | 1315 | sky2_qset(hw, rxq); |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 1316 | |
Stephen Hemminger | c3905bc | 2006-12-04 17:08:19 -0800 | [diff] [blame] | 1317 | /* On PCI express lowering the watermark gives better performance */ |
| 1318 | if (pci_find_capability(hw->pdev, PCI_CAP_ID_EXP)) |
| 1319 | sky2_write32(hw, Q_ADDR(rxq, Q_WM), BMU_WM_PEX); |
| 1320 | |
| 1321 | /* These chips have no ram buffer? |
| 1322 | * MAC Rx RAM Read is controlled by hardware */ |
Stephen Hemminger | 8df9a87 | 2006-12-01 14:29:35 -0800 | [diff] [blame] | 1323 | if (hw->chip_id == CHIP_ID_YUKON_EC_U && |
Stephen Hemminger | c3905bc | 2006-12-04 17:08:19 -0800 | [diff] [blame] | 1324 | (hw->chip_rev == CHIP_REV_YU_EC_U_A1 |
| 1325 | || hw->chip_rev == CHIP_REV_YU_EC_U_B0)) |
Stephen Hemminger | f449c7c | 2007-06-04 17:23:23 -0700 | [diff] [blame] | 1326 | sky2_write32(hw, Q_ADDR(rxq, Q_TEST), F_M_RX_RAM_DIS); |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 1327 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1328 | sky2_prefetch_init(hw, rxq, sky2->rx_le_map, RX_LE_SIZE - 1); |
| 1329 | |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 1330 | if (!(hw->flags & SKY2_HW_NEW_LE)) |
| 1331 | rx_set_checksum(sky2); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1332 | |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1333 | /* Space needed for frame data + headers rounded up */ |
Stephen Hemminger | f957da2 | 2007-07-09 15:33:41 -0700 | [diff] [blame] | 1334 | size = roundup(sky2->netdev->mtu + ETH_HLEN + VLAN_HLEN, 8); |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1335 | |
| 1336 | /* Stopping point for hardware truncation */ |
| 1337 | thresh = (size - 8) / sizeof(u32); |
| 1338 | |
Stephen Hemminger | 5f06eba | 2007-11-28 14:50:16 -0800 | [diff] [blame] | 1339 | sky2->rx_nfrags = size >> PAGE_SHIFT; |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1340 | BUG_ON(sky2->rx_nfrags > ARRAY_SIZE(re->frag_addr)); |
| 1341 | |
Stephen Hemminger | 5f06eba | 2007-11-28 14:50:16 -0800 | [diff] [blame] | 1342 | /* Compute residue after pages */ |
| 1343 | size -= sky2->rx_nfrags << PAGE_SHIFT; |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1344 | |
Stephen Hemminger | 5f06eba | 2007-11-28 14:50:16 -0800 | [diff] [blame] | 1345 | /* Optimize to handle small packets and headers */ |
| 1346 | if (size < copybreak) |
| 1347 | size = copybreak; |
| 1348 | if (size < ETH_HLEN) |
| 1349 | size = ETH_HLEN; |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1350 | |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1351 | sky2->rx_data_size = size; |
| 1352 | |
| 1353 | /* Fill Rx ring */ |
| 1354 | for (i = 0; i < sky2->rx_pending; i++) { |
| 1355 | re = sky2->rx_ring + i; |
| 1356 | |
| 1357 | re->skb = sky2_rx_alloc(sky2); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1358 | if (!re->skb) |
| 1359 | goto nomem; |
| 1360 | |
Stephen Hemminger | 454e6cb6 | 2009-02-03 11:27:28 +0000 | [diff] [blame] | 1361 | if (sky2_rx_map_skb(hw->pdev, re, sky2->rx_data_size)) { |
| 1362 | dev_kfree_skb(re->skb); |
| 1363 | re->skb = NULL; |
| 1364 | goto nomem; |
| 1365 | } |
| 1366 | |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1367 | sky2_rx_submit(sky2, re); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1368 | } |
| 1369 | |
Stephen Hemminger | a1433ac | 2006-05-22 12:03:42 -0700 | [diff] [blame] | 1370 | /* |
| 1371 | * The receiver hangs if it receives frames larger than the |
| 1372 | * packet buffer. As a workaround, truncate oversize frames, but |
| 1373 | * the register is limited to 9 bits, so if you do frames > 2052 |
| 1374 | * you better get the MTU right! |
| 1375 | */ |
Stephen Hemminger | a1433ac | 2006-05-22 12:03:42 -0700 | [diff] [blame] | 1376 | if (thresh > 0x1ff) |
| 1377 | sky2_write32(hw, SK_REG(sky2->port, RX_GMF_CTRL_T), RX_TRUNC_OFF); |
| 1378 | else { |
| 1379 | sky2_write16(hw, SK_REG(sky2->port, RX_GMF_TR_THR), thresh); |
| 1380 | sky2_write32(hw, SK_REG(sky2->port, RX_GMF_CTRL_T), RX_TRUNC_ON); |
| 1381 | } |
| 1382 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1383 | /* Tell chip about available buffers */ |
Stephen Hemminger | 55c9dd3 | 2007-07-09 15:33:37 -0700 | [diff] [blame] | 1384 | sky2_rx_update(sky2, rxq); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1385 | return 0; |
| 1386 | nomem: |
| 1387 | sky2_rx_clean(sky2); |
| 1388 | return -ENOMEM; |
| 1389 | } |
| 1390 | |
| 1391 | /* Bring up network interface. */ |
| 1392 | static int sky2_up(struct net_device *dev) |
| 1393 | { |
| 1394 | struct sky2_port *sky2 = netdev_priv(dev); |
| 1395 | struct sky2_hw *hw = sky2->hw; |
| 1396 | unsigned port = sky2->port; |
Stephen Hemminger | e0c2811 | 2007-09-20 13:03:49 -0700 | [diff] [blame] | 1397 | u32 imask, ramsize; |
Stephen Hemminger | ee7abb0 | 2006-05-18 11:16:21 -0700 | [diff] [blame] | 1398 | int cap, err = -ENOMEM; |
Stephen Hemminger | 843a46f | 2006-05-11 15:07:28 -0700 | [diff] [blame] | 1399 | struct net_device *otherdev = hw->dev[sky2->port^1]; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1400 | |
Stephen Hemminger | ee7abb0 | 2006-05-18 11:16:21 -0700 | [diff] [blame] | 1401 | /* |
| 1402 | * On dual port PCI-X card, there is an problem where status |
| 1403 | * can be received out of order due to split transactions |
Stephen Hemminger | 843a46f | 2006-05-11 15:07:28 -0700 | [diff] [blame] | 1404 | */ |
Stephen Hemminger | ee7abb0 | 2006-05-18 11:16:21 -0700 | [diff] [blame] | 1405 | if (otherdev && netif_running(otherdev) && |
| 1406 | (cap = pci_find_capability(hw->pdev, PCI_CAP_ID_PCIX))) { |
Stephen Hemminger | ee7abb0 | 2006-05-18 11:16:21 -0700 | [diff] [blame] | 1407 | u16 cmd; |
Stephen Hemminger | 843a46f | 2006-05-11 15:07:28 -0700 | [diff] [blame] | 1408 | |
Stephen Hemminger | b32f40c | 2007-11-27 10:57:27 -0800 | [diff] [blame] | 1409 | cmd = sky2_pci_read16(hw, cap + PCI_X_CMD); |
Stephen Hemminger | ee7abb0 | 2006-05-18 11:16:21 -0700 | [diff] [blame] | 1410 | cmd &= ~PCI_X_CMD_MAX_SPLIT; |
Stephen Hemminger | b32f40c | 2007-11-27 10:57:27 -0800 | [diff] [blame] | 1411 | sky2_pci_write16(hw, cap + PCI_X_CMD, cmd); |
| 1412 | |
Stephen Hemminger | ee7abb0 | 2006-05-18 11:16:21 -0700 | [diff] [blame] | 1413 | } |
| 1414 | |
Stephen Hemminger | 55d7b4e | 2007-07-09 15:33:34 -0700 | [diff] [blame] | 1415 | netif_carrier_off(dev); |
| 1416 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1417 | /* must be power of 2 */ |
| 1418 | sky2->tx_le = pci_alloc_consistent(hw->pdev, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1419 | TX_RING_SIZE * |
| 1420 | sizeof(struct sky2_tx_le), |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1421 | &sky2->tx_le_map); |
| 1422 | if (!sky2->tx_le) |
| 1423 | goto err_out; |
| 1424 | |
Stephen Hemminger | 6cdbbdf | 2005-12-09 11:35:01 -0800 | [diff] [blame] | 1425 | sky2->tx_ring = kcalloc(TX_RING_SIZE, sizeof(struct tx_ring_info), |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1426 | GFP_KERNEL); |
| 1427 | if (!sky2->tx_ring) |
| 1428 | goto err_out; |
Stephen Hemminger | 88f5f0c | 2007-09-27 12:38:12 -0700 | [diff] [blame] | 1429 | |
| 1430 | tx_init(sky2); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1431 | |
| 1432 | sky2->rx_le = pci_alloc_consistent(hw->pdev, RX_LE_BYTES, |
| 1433 | &sky2->rx_le_map); |
| 1434 | if (!sky2->rx_le) |
| 1435 | goto err_out; |
| 1436 | memset(sky2->rx_le, 0, RX_LE_BYTES); |
| 1437 | |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1438 | sky2->rx_ring = kcalloc(sky2->rx_pending, sizeof(struct rx_ring_info), |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1439 | GFP_KERNEL); |
| 1440 | if (!sky2->rx_ring) |
| 1441 | goto err_out; |
| 1442 | |
| 1443 | sky2_mac_init(hw, port); |
| 1444 | |
Stephen Hemminger | e0c2811 | 2007-09-20 13:03:49 -0700 | [diff] [blame] | 1445 | /* Register is number of 4K blocks on internal RAM buffer. */ |
| 1446 | ramsize = sky2_read8(hw, B2_E_0) * 4; |
| 1447 | if (ramsize > 0) { |
Stephen Hemminger | 6771290 | 2006-12-04 15:53:45 -0800 | [diff] [blame] | 1448 | u32 rxspace; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1449 | |
Stephen Hemminger | 39dbd95 | 2008-02-04 19:45:13 -0800 | [diff] [blame] | 1450 | hw->flags |= SKY2_HW_RAM_BUFFER; |
Stephen Hemminger | e0c2811 | 2007-09-20 13:03:49 -0700 | [diff] [blame] | 1451 | pr_debug(PFX "%s: ram buffer %dK\n", dev->name, ramsize); |
Stephen Hemminger | 6771290 | 2006-12-04 15:53:45 -0800 | [diff] [blame] | 1452 | if (ramsize < 16) |
| 1453 | rxspace = ramsize / 2; |
| 1454 | else |
| 1455 | rxspace = 8 + (2*(ramsize - 16))/3; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1456 | |
Stephen Hemminger | 6771290 | 2006-12-04 15:53:45 -0800 | [diff] [blame] | 1457 | sky2_ramset(hw, rxqaddr[port], 0, rxspace); |
| 1458 | sky2_ramset(hw, txqaddr[port], rxspace, ramsize - rxspace); |
| 1459 | |
| 1460 | /* Make sure SyncQ is disabled */ |
| 1461 | sky2_write8(hw, RB_ADDR(port == 0 ? Q_XS1 : Q_XS2, RB_CTRL), |
| 1462 | RB_RST_SET); |
| 1463 | } |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1464 | |
shemminger@osdl.org | af4ed7e | 2005-11-30 11:45:21 -0800 | [diff] [blame] | 1465 | sky2_qset(hw, txqaddr[port]); |
shemminger@osdl.org | 5a5b1ea | 2005-11-30 11:45:15 -0800 | [diff] [blame] | 1466 | |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 1467 | /* This is copied from sk98lin 10.0.5.3; no one tells me about erratta's */ |
| 1468 | if (hw->chip_id == CHIP_ID_YUKON_EX && hw->chip_rev == CHIP_REV_YU_EX_B0) |
| 1469 | sky2_write32(hw, Q_ADDR(txqaddr[port], Q_TEST), F_TX_CHK_AUTO_OFF); |
| 1470 | |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 1471 | /* Set almost empty threshold */ |
Stephen Hemminger | c2716fb | 2006-09-26 11:57:39 -0700 | [diff] [blame] | 1472 | if (hw->chip_id == CHIP_ID_YUKON_EC_U |
| 1473 | && hw->chip_rev == CHIP_REV_YU_EC_U_A0) |
Stephen Hemminger | b628ed9 | 2007-04-11 14:48:01 -0700 | [diff] [blame] | 1474 | sky2_write16(hw, Q_ADDR(txqaddr[port], Q_AL), ECU_TXFF_LEV); |
shemminger@osdl.org | 5a5b1ea | 2005-11-30 11:45:15 -0800 | [diff] [blame] | 1475 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1476 | sky2_prefetch_init(hw, txqaddr[port], sky2->tx_le_map, |
| 1477 | TX_RING_SIZE - 1); |
| 1478 | |
Stephen Hemminger | d494eac | 2008-05-14 17:04:13 -0700 | [diff] [blame] | 1479 | #ifdef SKY2_VLAN_TAG_USED |
| 1480 | sky2_set_vlan_mode(hw, port, sky2->vlgrp != NULL); |
| 1481 | #endif |
| 1482 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1483 | err = sky2_rx_start(sky2); |
Stephen Hemminger | 6de1623 | 2007-10-17 13:26:42 -0700 | [diff] [blame] | 1484 | if (err) |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1485 | goto err_out; |
| 1486 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1487 | /* Enable interrupts from phy/mac for port */ |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1488 | imask = sky2_read32(hw, B0_IMSK); |
Stephen Hemminger | f4ea431 | 2006-05-09 14:46:54 -0700 | [diff] [blame] | 1489 | imask |= portirq_msk[port]; |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1490 | sky2_write32(hw, B0_IMSK, imask); |
| 1491 | |
Stephen Hemminger | a7bffe7 | 2008-01-23 19:11:51 -0800 | [diff] [blame] | 1492 | sky2_set_multicast(dev); |
Alexey Dobriyan | a11da89 | 2009-01-30 13:45:31 -0800 | [diff] [blame] | 1493 | |
| 1494 | if (netif_msg_ifup(sky2)) |
| 1495 | printk(KERN_INFO PFX "%s: enabling interface\n", dev->name); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1496 | return 0; |
| 1497 | |
| 1498 | err_out: |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 1499 | if (sky2->rx_le) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1500 | pci_free_consistent(hw->pdev, RX_LE_BYTES, |
| 1501 | sky2->rx_le, sky2->rx_le_map); |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 1502 | sky2->rx_le = NULL; |
| 1503 | } |
| 1504 | if (sky2->tx_le) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1505 | pci_free_consistent(hw->pdev, |
| 1506 | TX_RING_SIZE * sizeof(struct sky2_tx_le), |
| 1507 | sky2->tx_le, sky2->tx_le_map); |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 1508 | sky2->tx_le = NULL; |
| 1509 | } |
| 1510 | kfree(sky2->tx_ring); |
| 1511 | kfree(sky2->rx_ring); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1512 | |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 1513 | sky2->tx_ring = NULL; |
| 1514 | sky2->rx_ring = NULL; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1515 | return err; |
| 1516 | } |
| 1517 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1518 | /* Modular subtraction in ring */ |
| 1519 | static inline int tx_dist(unsigned tail, unsigned head) |
| 1520 | { |
Stephen Hemminger | cb5d954 | 2006-05-08 15:11:29 -0700 | [diff] [blame] | 1521 | return (head - tail) & (TX_RING_SIZE - 1); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1522 | } |
| 1523 | |
| 1524 | /* Number of list elements available for next tx */ |
| 1525 | static inline int tx_avail(const struct sky2_port *sky2) |
| 1526 | { |
| 1527 | return sky2->tx_pending - tx_dist(sky2->tx_cons, sky2->tx_prod); |
| 1528 | } |
| 1529 | |
| 1530 | /* Estimate of number of transmit list elements required */ |
Stephen Hemminger | 28bd181 | 2006-01-17 13:43:19 -0800 | [diff] [blame] | 1531 | static unsigned tx_le_req(const struct sk_buff *skb) |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1532 | { |
| 1533 | unsigned count; |
| 1534 | |
| 1535 | count = sizeof(dma_addr_t) / sizeof(u32); |
| 1536 | count += skb_shinfo(skb)->nr_frags * count; |
| 1537 | |
Herbert Xu | 89114af | 2006-07-08 13:34:32 -0700 | [diff] [blame] | 1538 | if (skb_is_gso(skb)) |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1539 | ++count; |
| 1540 | |
Patrick McHardy | 84fa793 | 2006-08-29 16:44:56 -0700 | [diff] [blame] | 1541 | if (skb->ip_summed == CHECKSUM_PARTIAL) |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1542 | ++count; |
| 1543 | |
| 1544 | return count; |
| 1545 | } |
| 1546 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1547 | /* |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1548 | * Put one packet in ring for transmit. |
| 1549 | * A single packet can generate multiple list elements, and |
| 1550 | * the number of ring elements will probably be less than the number |
| 1551 | * of list elements used. |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1552 | */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1553 | static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev) |
| 1554 | { |
| 1555 | struct sky2_port *sky2 = netdev_priv(dev); |
| 1556 | struct sky2_hw *hw = sky2->hw; |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 1557 | struct sky2_tx_le *le = NULL; |
Stephen Hemminger | 6cdbbdf | 2005-12-09 11:35:01 -0800 | [diff] [blame] | 1558 | struct tx_ring_info *re; |
Stephen Hemminger | 454e6cb6 | 2009-02-03 11:27:28 +0000 | [diff] [blame] | 1559 | unsigned i, len, first_slot; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1560 | dma_addr_t mapping; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1561 | u16 mss; |
| 1562 | u8 ctrl; |
| 1563 | |
Stephen Hemminger | 2bb8c26 | 2006-09-26 11:57:42 -0700 | [diff] [blame] | 1564 | if (unlikely(tx_avail(sky2) < tx_le_req(skb))) |
| 1565 | return NETDEV_TX_BUSY; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1566 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1567 | len = skb_headlen(skb); |
| 1568 | mapping = pci_map_single(hw->pdev, skb->data, len, PCI_DMA_TODEVICE); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1569 | |
Stephen Hemminger | 454e6cb6 | 2009-02-03 11:27:28 +0000 | [diff] [blame] | 1570 | if (pci_dma_mapping_error(hw->pdev, mapping)) |
| 1571 | goto mapping_error; |
| 1572 | |
| 1573 | first_slot = sky2->tx_prod; |
| 1574 | if (unlikely(netif_msg_tx_queued(sky2))) |
| 1575 | printk(KERN_DEBUG "%s: tx queued, slot %u, len %d\n", |
| 1576 | dev->name, first_slot, skb->len); |
| 1577 | |
Stephen Hemminger | 86c6887 | 2008-01-10 16:14:12 -0800 | [diff] [blame] | 1578 | /* Send high bits if needed */ |
| 1579 | if (sizeof(dma_addr_t) > sizeof(u32)) { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1580 | le = get_tx_le(sky2); |
Stephen Hemminger | 86c6887 | 2008-01-10 16:14:12 -0800 | [diff] [blame] | 1581 | le->addr = cpu_to_le32(upper_32_bits(mapping)); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1582 | le->opcode = OP_ADDR64 | HW_OWNER; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1583 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1584 | |
| 1585 | /* Check for TCP Segmentation Offload */ |
Herbert Xu | 7967168 | 2006-06-22 02:40:14 -0700 | [diff] [blame] | 1586 | mss = skb_shinfo(skb)->gso_size; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1587 | if (mss != 0) { |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 1588 | |
| 1589 | if (!(hw->flags & SKY2_HW_NEW_LE)) |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 1590 | mss += ETH_HLEN + ip_hdrlen(skb) + tcp_hdrlen(skb); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1591 | |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 1592 | if (mss != sky2->tx_last_mss) { |
| 1593 | le = get_tx_le(sky2); |
| 1594 | le->addr = cpu_to_le32(mss); |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 1595 | |
| 1596 | if (hw->flags & SKY2_HW_NEW_LE) |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 1597 | le->opcode = OP_MSS | HW_OWNER; |
| 1598 | else |
| 1599 | le->opcode = OP_LRGLEN | HW_OWNER; |
shemminger@osdl.org | e07560c | 2006-08-28 10:00:49 -0700 | [diff] [blame] | 1600 | sky2->tx_last_mss = mss; |
| 1601 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1602 | } |
| 1603 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1604 | ctrl = 0; |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 1605 | #ifdef SKY2_VLAN_TAG_USED |
| 1606 | /* Add VLAN tag, can piggyback on LRGLEN or ADDR64 */ |
| 1607 | if (sky2->vlgrp && vlan_tx_tag_present(skb)) { |
| 1608 | if (!le) { |
| 1609 | le = get_tx_le(sky2); |
Stephen Hemminger | f65b138 | 2006-09-06 12:45:02 -0700 | [diff] [blame] | 1610 | le->addr = 0; |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 1611 | le->opcode = OP_VLAN|HW_OWNER; |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 1612 | } else |
| 1613 | le->opcode |= OP_VLAN; |
| 1614 | le->length = cpu_to_be16(vlan_tx_tag_get(skb)); |
| 1615 | ctrl |= INS_VLAN; |
| 1616 | } |
| 1617 | #endif |
| 1618 | |
| 1619 | /* Handle TCP checksum offload */ |
Patrick McHardy | 84fa793 | 2006-08-29 16:44:56 -0700 | [diff] [blame] | 1620 | if (skb->ip_summed == CHECKSUM_PARTIAL) { |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 1621 | /* On Yukon EX (some versions) encoding change. */ |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 1622 | if (hw->flags & SKY2_HW_AUTO_TX_SUM) |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 1623 | ctrl |= CALSUM; /* auto checksum */ |
| 1624 | else { |
| 1625 | const unsigned offset = skb_transport_offset(skb); |
| 1626 | u32 tcpsum; |
Stephen Hemminger | f65b138 | 2006-09-06 12:45:02 -0700 | [diff] [blame] | 1627 | |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 1628 | tcpsum = offset << 16; /* sum start */ |
| 1629 | tcpsum |= offset + skb->csum_offset; /* sum write */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1630 | |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 1631 | ctrl |= CALSUM | WR_SUM | INIT_SUM | LOCK_SUM; |
| 1632 | if (ip_hdr(skb)->protocol == IPPROTO_UDP) |
| 1633 | ctrl |= UDPTCP; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1634 | |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 1635 | if (tcpsum != sky2->tx_tcpsum) { |
| 1636 | sky2->tx_tcpsum = tcpsum; |
shemminger@osdl.org | 1d17933 | 2006-08-28 10:00:50 -0700 | [diff] [blame] | 1637 | |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 1638 | le = get_tx_le(sky2); |
| 1639 | le->addr = cpu_to_le32(tcpsum); |
| 1640 | le->length = 0; /* initial checksum value */ |
| 1641 | le->ctrl = 1; /* one packet */ |
| 1642 | le->opcode = OP_TCPLISW | HW_OWNER; |
| 1643 | } |
shemminger@osdl.org | 1d17933 | 2006-08-28 10:00:50 -0700 | [diff] [blame] | 1644 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1645 | } |
| 1646 | |
| 1647 | le = get_tx_le(sky2); |
Stephen Hemminger | f65b138 | 2006-09-06 12:45:02 -0700 | [diff] [blame] | 1648 | le->addr = cpu_to_le32((u32) mapping); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1649 | le->length = cpu_to_le16(len); |
| 1650 | le->ctrl = ctrl; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1651 | le->opcode = mss ? (OP_LARGESEND | HW_OWNER) : (OP_PACKET | HW_OWNER); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1652 | |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1653 | re = tx_le_re(sky2, le); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1654 | re->skb = skb; |
Stephen Hemminger | 6cdbbdf | 2005-12-09 11:35:01 -0800 | [diff] [blame] | 1655 | pci_unmap_addr_set(re, mapaddr, mapping); |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1656 | pci_unmap_len_set(re, maplen, len); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1657 | |
| 1658 | for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1659 | const skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1660 | |
| 1661 | mapping = pci_map_page(hw->pdev, frag->page, frag->page_offset, |
| 1662 | frag->size, PCI_DMA_TODEVICE); |
Stephen Hemminger | 86c6887 | 2008-01-10 16:14:12 -0800 | [diff] [blame] | 1663 | |
Stephen Hemminger | 454e6cb6 | 2009-02-03 11:27:28 +0000 | [diff] [blame] | 1664 | if (pci_dma_mapping_error(hw->pdev, mapping)) |
| 1665 | goto mapping_unwind; |
| 1666 | |
Stephen Hemminger | 86c6887 | 2008-01-10 16:14:12 -0800 | [diff] [blame] | 1667 | if (sizeof(dma_addr_t) > sizeof(u32)) { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1668 | le = get_tx_le(sky2); |
Stephen Hemminger | 86c6887 | 2008-01-10 16:14:12 -0800 | [diff] [blame] | 1669 | le->addr = cpu_to_le32(upper_32_bits(mapping)); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1670 | le->ctrl = 0; |
| 1671 | le->opcode = OP_ADDR64 | HW_OWNER; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1672 | } |
| 1673 | |
| 1674 | le = get_tx_le(sky2); |
Stephen Hemminger | f65b138 | 2006-09-06 12:45:02 -0700 | [diff] [blame] | 1675 | le->addr = cpu_to_le32((u32) mapping); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1676 | le->length = cpu_to_le16(frag->size); |
| 1677 | le->ctrl = ctrl; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1678 | le->opcode = OP_BUFFER | HW_OWNER; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1679 | |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1680 | re = tx_le_re(sky2, le); |
| 1681 | re->skb = skb; |
| 1682 | pci_unmap_addr_set(re, mapaddr, mapping); |
| 1683 | pci_unmap_len_set(re, maplen, frag->size); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1684 | } |
Stephen Hemminger | 6cdbbdf | 2005-12-09 11:35:01 -0800 | [diff] [blame] | 1685 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1686 | le->ctrl |= EOP; |
| 1687 | |
shemminger@osdl.org | 97bda70 | 2006-08-28 10:00:47 -0700 | [diff] [blame] | 1688 | if (tx_avail(sky2) <= MAX_SKB_TX_LE) |
| 1689 | netif_stop_queue(dev); |
Stephen Hemminger | b19666d | 2006-03-07 11:06:36 -0800 | [diff] [blame] | 1690 | |
Stephen Hemminger | 290d4de | 2006-03-20 15:48:15 -0800 | [diff] [blame] | 1691 | sky2_put_idx(hw, txqaddr[sky2->port], sky2->tx_prod); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1692 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1693 | return NETDEV_TX_OK; |
Stephen Hemminger | 454e6cb6 | 2009-02-03 11:27:28 +0000 | [diff] [blame] | 1694 | |
| 1695 | mapping_unwind: |
| 1696 | for (i = first_slot; i != sky2->tx_prod; i = RING_NEXT(i, TX_RING_SIZE)) { |
| 1697 | le = sky2->tx_le + i; |
| 1698 | re = sky2->tx_ring + i; |
| 1699 | |
| 1700 | switch(le->opcode & ~HW_OWNER) { |
| 1701 | case OP_LARGESEND: |
| 1702 | case OP_PACKET: |
| 1703 | pci_unmap_single(hw->pdev, |
| 1704 | pci_unmap_addr(re, mapaddr), |
| 1705 | pci_unmap_len(re, maplen), |
| 1706 | PCI_DMA_TODEVICE); |
| 1707 | break; |
| 1708 | case OP_BUFFER: |
| 1709 | pci_unmap_page(hw->pdev, pci_unmap_addr(re, mapaddr), |
| 1710 | pci_unmap_len(re, maplen), |
| 1711 | PCI_DMA_TODEVICE); |
| 1712 | break; |
| 1713 | } |
| 1714 | } |
| 1715 | |
| 1716 | sky2->tx_prod = first_slot; |
| 1717 | mapping_error: |
| 1718 | if (net_ratelimit()) |
| 1719 | dev_warn(&hw->pdev->dev, "%s: tx mapping error\n", dev->name); |
| 1720 | dev_kfree_skb(skb); |
| 1721 | return NETDEV_TX_OK; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1722 | } |
| 1723 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1724 | /* |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1725 | * Free ring elements from starting at tx_cons until "done" |
| 1726 | * |
| 1727 | * NB: the hardware will tell us about partial completion of multi-part |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1728 | * buffers so make sure not to free skb to early. |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1729 | */ |
shemminger@osdl.org | d11c13e | 2005-09-27 15:02:56 -0700 | [diff] [blame] | 1730 | static void sky2_tx_complete(struct sky2_port *sky2, u16 done) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1731 | { |
shemminger@osdl.org | d11c13e | 2005-09-27 15:02:56 -0700 | [diff] [blame] | 1732 | struct net_device *dev = sky2->netdev; |
Stephen Hemminger | af2a58a | 2005-12-09 11:35:04 -0800 | [diff] [blame] | 1733 | struct pci_dev *pdev = sky2->hw->pdev; |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1734 | unsigned idx; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1735 | |
Stephen Hemminger | 0e3ff6a | 2005-12-09 11:35:02 -0800 | [diff] [blame] | 1736 | BUG_ON(done >= TX_RING_SIZE); |
shemminger@osdl.org | 2224795 | 2005-11-30 11:45:19 -0800 | [diff] [blame] | 1737 | |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1738 | for (idx = sky2->tx_cons; idx != done; |
| 1739 | idx = RING_NEXT(idx, TX_RING_SIZE)) { |
| 1740 | struct sky2_tx_le *le = sky2->tx_le + idx; |
| 1741 | struct tx_ring_info *re = sky2->tx_ring + idx; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1742 | |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1743 | switch(le->opcode & ~HW_OWNER) { |
| 1744 | case OP_LARGESEND: |
| 1745 | case OP_PACKET: |
| 1746 | pci_unmap_single(pdev, |
| 1747 | pci_unmap_addr(re, mapaddr), |
| 1748 | pci_unmap_len(re, maplen), |
| 1749 | PCI_DMA_TODEVICE); |
Stephen Hemminger | af2a58a | 2005-12-09 11:35:04 -0800 | [diff] [blame] | 1750 | break; |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1751 | case OP_BUFFER: |
| 1752 | pci_unmap_page(pdev, pci_unmap_addr(re, mapaddr), |
| 1753 | pci_unmap_len(re, maplen), |
Stephen Hemminger | 734d186 | 2005-12-09 11:35:00 -0800 | [diff] [blame] | 1754 | PCI_DMA_TODEVICE); |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1755 | break; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1756 | } |
| 1757 | |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1758 | if (le->ctrl & EOP) { |
| 1759 | if (unlikely(netif_msg_tx_done(sky2))) |
| 1760 | printk(KERN_DEBUG "%s: tx done %u\n", |
| 1761 | dev->name, idx); |
Stephen Hemminger | 3cf2675 | 2007-07-09 15:33:35 -0700 | [diff] [blame] | 1762 | |
Stephen Hemminger | 7138a0f | 2007-10-11 19:48:22 -0700 | [diff] [blame] | 1763 | dev->stats.tx_packets++; |
| 1764 | dev->stats.tx_bytes += re->skb->len; |
shemminger@linux-foundation.org | 2bf56fe | 2007-01-26 11:38:39 -0800 | [diff] [blame] | 1765 | |
Stephen Hemminger | 794b2bd | 2006-12-01 14:29:36 -0800 | [diff] [blame] | 1766 | dev_kfree_skb_any(re->skb); |
Stephen Hemminger | 3cf2675 | 2007-07-09 15:33:35 -0700 | [diff] [blame] | 1767 | sky2->tx_next = RING_NEXT(idx, TX_RING_SIZE); |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1768 | } |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1769 | } |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1770 | |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1771 | sky2->tx_cons = idx; |
Stephen Hemminger | 50432cb | 2007-05-14 12:38:15 -0700 | [diff] [blame] | 1772 | smp_mb(); |
| 1773 | |
Stephen Hemminger | 22e1170 | 2006-07-12 15:23:48 -0700 | [diff] [blame] | 1774 | if (tx_avail(sky2) > MAX_SKB_TX_LE + 4) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1775 | netif_wake_queue(dev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1776 | } |
| 1777 | |
| 1778 | /* Cleanup all untransmitted buffers, assume transmitter not running */ |
Stephen Hemminger | 2bb8c26 | 2006-09-26 11:57:42 -0700 | [diff] [blame] | 1779 | static void sky2_tx_clean(struct net_device *dev) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1780 | { |
Stephen Hemminger | 2bb8c26 | 2006-09-26 11:57:42 -0700 | [diff] [blame] | 1781 | struct sky2_port *sky2 = netdev_priv(dev); |
| 1782 | |
| 1783 | netif_tx_lock_bh(dev); |
shemminger@osdl.org | d11c13e | 2005-09-27 15:02:56 -0700 | [diff] [blame] | 1784 | sky2_tx_complete(sky2, sky2->tx_prod); |
Stephen Hemminger | 2bb8c26 | 2006-09-26 11:57:42 -0700 | [diff] [blame] | 1785 | netif_tx_unlock_bh(dev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1786 | } |
| 1787 | |
| 1788 | /* Network shutdown */ |
| 1789 | static int sky2_down(struct net_device *dev) |
| 1790 | { |
| 1791 | struct sky2_port *sky2 = netdev_priv(dev); |
| 1792 | struct sky2_hw *hw = sky2->hw; |
| 1793 | unsigned port = sky2->port; |
| 1794 | u16 ctrl; |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1795 | u32 imask; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1796 | |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 1797 | /* Never really got started! */ |
| 1798 | if (!sky2->tx_le) |
| 1799 | return 0; |
| 1800 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1801 | if (netif_msg_ifdown(sky2)) |
| 1802 | printk(KERN_INFO PFX "%s: disabling interface\n", dev->name); |
| 1803 | |
Stephen Hemminger | ebc646f | 2006-10-17 10:23:56 -0700 | [diff] [blame] | 1804 | /* Disable port IRQ */ |
| 1805 | imask = sky2_read32(hw, B0_IMSK); |
| 1806 | imask &= ~portirq_msk[port]; |
| 1807 | sky2_write32(hw, B0_IMSK, imask); |
| 1808 | |
Stephen Hemminger | 6de1623 | 2007-10-17 13:26:42 -0700 | [diff] [blame] | 1809 | synchronize_irq(hw->pdev->irq); |
| 1810 | |
shemminger@osdl.org | d3bcfbe | 2006-08-28 10:00:51 -0700 | [diff] [blame] | 1811 | sky2_gmac_reset(hw, port); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1812 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1813 | /* Stop transmitter */ |
| 1814 | sky2_write32(hw, Q_ADDR(txqaddr[port], Q_CSR), BMU_STOP); |
| 1815 | sky2_read32(hw, Q_ADDR(txqaddr[port], Q_CSR)); |
| 1816 | |
| 1817 | sky2_write32(hw, RB_ADDR(txqaddr[port], RB_CTRL), |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1818 | RB_RST_SET | RB_DIS_OP_MD); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1819 | |
| 1820 | ctrl = gma_read16(hw, port, GM_GP_CTRL); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1821 | ctrl &= ~(GM_GPCR_TX_ENA | GM_GPCR_RX_ENA); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1822 | gma_write16(hw, port, GM_GP_CTRL, ctrl); |
| 1823 | |
Stephen Hemminger | 6de1623 | 2007-10-17 13:26:42 -0700 | [diff] [blame] | 1824 | /* Make sure no packets are pending */ |
| 1825 | napi_synchronize(&hw->napi); |
| 1826 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1827 | sky2_write8(hw, SK_REG(port, GPHY_CTRL), GPC_RST_SET); |
| 1828 | |
| 1829 | /* Workaround shared GMAC reset */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1830 | if (!(hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev == 0 |
| 1831 | && port == 0 && hw->dev[1] && netif_running(hw->dev[1]))) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1832 | sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_RST_SET); |
| 1833 | |
| 1834 | /* Disable Force Sync bit and Enable Alloc bit */ |
| 1835 | sky2_write8(hw, SK_REG(port, TXA_CTRL), |
| 1836 | TXA_DIS_FSYNC | TXA_DIS_ALLOC | TXA_STOP_RC); |
| 1837 | |
| 1838 | /* Stop Interval Timer and Limit Counter of Tx Arbiter */ |
| 1839 | sky2_write32(hw, SK_REG(port, TXA_ITI_INI), 0L); |
| 1840 | sky2_write32(hw, SK_REG(port, TXA_LIM_INI), 0L); |
| 1841 | |
| 1842 | /* Reset the PCI FIFO of the async Tx queue */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1843 | sky2_write32(hw, Q_ADDR(txqaddr[port], Q_CSR), |
| 1844 | BMU_RST_SET | BMU_FIFO_RST); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1845 | |
| 1846 | /* Reset the Tx prefetch units */ |
| 1847 | sky2_write32(hw, Y2_QADDR(txqaddr[port], PREF_UNIT_CTRL), |
| 1848 | PREF_UNIT_RST_SET); |
| 1849 | |
| 1850 | sky2_write32(hw, RB_ADDR(txqaddr[port], RB_CTRL), RB_RST_SET); |
| 1851 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1852 | sky2_rx_stop(sky2); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1853 | |
| 1854 | sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_RST_SET); |
| 1855 | sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_RST_SET); |
| 1856 | |
Stephen Hemminger | b96936d | 2008-05-14 17:04:15 -0700 | [diff] [blame] | 1857 | sky2_phy_power_down(hw, port); |
shemminger@osdl.org | d3bcfbe | 2006-08-28 10:00:51 -0700 | [diff] [blame] | 1858 | |
shemminger@osdl.org | d571b69 | 2005-10-26 12:16:09 -0700 | [diff] [blame] | 1859 | /* turn off LED's */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1860 | sky2_write16(hw, B0_Y2LED, LED_STAT_OFF); |
| 1861 | |
Stephen Hemminger | 2bb8c26 | 2006-09-26 11:57:42 -0700 | [diff] [blame] | 1862 | sky2_tx_clean(dev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1863 | sky2_rx_clean(sky2); |
| 1864 | |
| 1865 | pci_free_consistent(hw->pdev, RX_LE_BYTES, |
| 1866 | sky2->rx_le, sky2->rx_le_map); |
| 1867 | kfree(sky2->rx_ring); |
| 1868 | |
| 1869 | pci_free_consistent(hw->pdev, |
| 1870 | TX_RING_SIZE * sizeof(struct sky2_tx_le), |
| 1871 | sky2->tx_le, sky2->tx_le_map); |
| 1872 | kfree(sky2->tx_ring); |
| 1873 | |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 1874 | sky2->tx_le = NULL; |
| 1875 | sky2->rx_le = NULL; |
| 1876 | |
| 1877 | sky2->rx_ring = NULL; |
| 1878 | sky2->tx_ring = NULL; |
| 1879 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1880 | return 0; |
| 1881 | } |
| 1882 | |
| 1883 | static u16 sky2_phy_speed(const struct sky2_hw *hw, u16 aux) |
| 1884 | { |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 1885 | if (hw->flags & SKY2_HW_FIBRE_PHY) |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1886 | return SPEED_1000; |
| 1887 | |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 1888 | if (!(hw->flags & SKY2_HW_GIGABIT)) { |
| 1889 | if (aux & PHY_M_PS_SPEED_100) |
| 1890 | return SPEED_100; |
| 1891 | else |
| 1892 | return SPEED_10; |
| 1893 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1894 | |
| 1895 | switch (aux & PHY_M_PS_SPEED_MSK) { |
| 1896 | case PHY_M_PS_SPEED_1000: |
| 1897 | return SPEED_1000; |
| 1898 | case PHY_M_PS_SPEED_100: |
| 1899 | return SPEED_100; |
| 1900 | default: |
| 1901 | return SPEED_10; |
| 1902 | } |
| 1903 | } |
| 1904 | |
| 1905 | static void sky2_link_up(struct sky2_port *sky2) |
| 1906 | { |
| 1907 | struct sky2_hw *hw = sky2->hw; |
| 1908 | unsigned port = sky2->port; |
| 1909 | u16 reg; |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 1910 | static const char *fc_name[] = { |
| 1911 | [FC_NONE] = "none", |
| 1912 | [FC_TX] = "tx", |
| 1913 | [FC_RX] = "rx", |
| 1914 | [FC_BOTH] = "both", |
| 1915 | }; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1916 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1917 | /* enable Rx/Tx */ |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 1918 | reg = gma_read16(hw, port, GM_GP_CTRL); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1919 | reg |= GM_GPCR_RX_ENA | GM_GPCR_TX_ENA; |
| 1920 | gma_write16(hw, port, GM_GP_CTRL, reg); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1921 | |
| 1922 | gm_phy_write(hw, port, PHY_MARV_INT_MASK, PHY_M_DEF_MSK); |
| 1923 | |
| 1924 | netif_carrier_on(sky2->netdev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1925 | |
Stephen Hemminger | 75e8068 | 2007-09-19 15:36:46 -0700 | [diff] [blame] | 1926 | mod_timer(&hw->watchdog_timer, jiffies + 1); |
Stephen Hemminger | 32c2c30 | 2007-08-21 14:34:03 -0700 | [diff] [blame] | 1927 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1928 | /* Turn on link LED */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1929 | sky2_write8(hw, SK_REG(port, LNK_LED_REG), |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1930 | LINKLED_ON | LINKLED_BLINK_OFF | LINKLED_LINKSYNC_OFF); |
| 1931 | |
| 1932 | if (netif_msg_link(sky2)) |
| 1933 | printk(KERN_INFO PFX |
shemminger@osdl.org | d571b69 | 2005-10-26 12:16:09 -0700 | [diff] [blame] | 1934 | "%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] | 1935 | sky2->netdev->name, sky2->speed, |
| 1936 | sky2->duplex == DUPLEX_FULL ? "full" : "half", |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 1937 | fc_name[sky2->flow_status]); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1938 | } |
| 1939 | |
| 1940 | static void sky2_link_down(struct sky2_port *sky2) |
| 1941 | { |
| 1942 | struct sky2_hw *hw = sky2->hw; |
| 1943 | unsigned port = sky2->port; |
| 1944 | u16 reg; |
| 1945 | |
| 1946 | gm_phy_write(hw, port, PHY_MARV_INT_MASK, 0); |
| 1947 | |
| 1948 | reg = gma_read16(hw, port, GM_GP_CTRL); |
| 1949 | reg &= ~(GM_GPCR_RX_ENA | GM_GPCR_TX_ENA); |
| 1950 | gma_write16(hw, port, GM_GP_CTRL, reg); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1951 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1952 | netif_carrier_off(sky2->netdev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1953 | |
| 1954 | /* Turn on link LED */ |
| 1955 | sky2_write8(hw, SK_REG(port, LNK_LED_REG), LINKLED_OFF); |
| 1956 | |
| 1957 | if (netif_msg_link(sky2)) |
| 1958 | printk(KERN_INFO PFX "%s: Link is down.\n", sky2->netdev->name); |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 1959 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1960 | sky2_phy_init(hw, port); |
| 1961 | } |
| 1962 | |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 1963 | static enum flow_control sky2_flow(int rx, int tx) |
| 1964 | { |
| 1965 | if (rx) |
| 1966 | return tx ? FC_BOTH : FC_RX; |
| 1967 | else |
| 1968 | return tx ? FC_TX : FC_NONE; |
| 1969 | } |
| 1970 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1971 | static int sky2_autoneg_done(struct sky2_port *sky2, u16 aux) |
| 1972 | { |
| 1973 | struct sky2_hw *hw = sky2->hw; |
| 1974 | unsigned port = sky2->port; |
Stephen Hemminger | da4c1ff | 2007-02-15 16:40:32 -0800 | [diff] [blame] | 1975 | u16 advert, lpa; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1976 | |
Stephen Hemminger | da4c1ff | 2007-02-15 16:40:32 -0800 | [diff] [blame] | 1977 | advert = gm_phy_read(hw, port, PHY_MARV_AUNE_ADV); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1978 | lpa = gm_phy_read(hw, port, PHY_MARV_AUNE_LP); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1979 | if (lpa & PHY_M_AN_RF) { |
| 1980 | printk(KERN_ERR PFX "%s: remote fault", sky2->netdev->name); |
| 1981 | return -1; |
| 1982 | } |
| 1983 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1984 | if (!(aux & PHY_M_PS_SPDUP_RES)) { |
| 1985 | printk(KERN_ERR PFX "%s: speed/duplex mismatch", |
| 1986 | sky2->netdev->name); |
| 1987 | return -1; |
| 1988 | } |
| 1989 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1990 | sky2->speed = sky2_phy_speed(hw, aux); |
Stephen Hemminger | 7c74ac1 | 2006-10-17 10:24:08 -0700 | [diff] [blame] | 1991 | sky2->duplex = (aux & PHY_M_PS_FULL_DUP) ? DUPLEX_FULL : DUPLEX_HALF; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1992 | |
Stephen Hemminger | da4c1ff | 2007-02-15 16:40:32 -0800 | [diff] [blame] | 1993 | /* Since the pause result bits seem to in different positions on |
| 1994 | * different chips. look at registers. |
| 1995 | */ |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 1996 | if (hw->flags & SKY2_HW_FIBRE_PHY) { |
Stephen Hemminger | da4c1ff | 2007-02-15 16:40:32 -0800 | [diff] [blame] | 1997 | /* Shift for bits in fiber PHY */ |
| 1998 | advert &= ~(ADVERTISE_PAUSE_CAP|ADVERTISE_PAUSE_ASYM); |
| 1999 | lpa &= ~(LPA_PAUSE_CAP|LPA_PAUSE_ASYM); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2000 | |
Stephen Hemminger | da4c1ff | 2007-02-15 16:40:32 -0800 | [diff] [blame] | 2001 | if (advert & ADVERTISE_1000XPAUSE) |
| 2002 | advert |= ADVERTISE_PAUSE_CAP; |
| 2003 | if (advert & ADVERTISE_1000XPSE_ASYM) |
| 2004 | advert |= ADVERTISE_PAUSE_ASYM; |
| 2005 | if (lpa & LPA_1000XPAUSE) |
| 2006 | lpa |= LPA_PAUSE_CAP; |
| 2007 | if (lpa & LPA_1000XPAUSE_ASYM) |
| 2008 | lpa |= LPA_PAUSE_ASYM; |
| 2009 | } |
| 2010 | |
| 2011 | sky2->flow_status = FC_NONE; |
| 2012 | if (advert & ADVERTISE_PAUSE_CAP) { |
| 2013 | if (lpa & LPA_PAUSE_CAP) |
| 2014 | sky2->flow_status = FC_BOTH; |
| 2015 | else if (advert & ADVERTISE_PAUSE_ASYM) |
| 2016 | sky2->flow_status = FC_RX; |
| 2017 | } else if (advert & ADVERTISE_PAUSE_ASYM) { |
| 2018 | if ((lpa & LPA_PAUSE_CAP) && (lpa & LPA_PAUSE_ASYM)) |
| 2019 | sky2->flow_status = FC_TX; |
| 2020 | } |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2021 | |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 2022 | if (sky2->duplex == DUPLEX_HALF && sky2->speed < SPEED_1000 |
Stephen Hemminger | 9374549 | 2007-02-06 10:45:43 -0800 | [diff] [blame] | 2023 | && !(hw->chip_id == CHIP_ID_YUKON_EC_U || hw->chip_id == CHIP_ID_YUKON_EX)) |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 2024 | sky2->flow_status = FC_NONE; |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 2025 | |
Stephen Hemminger | da4c1ff | 2007-02-15 16:40:32 -0800 | [diff] [blame] | 2026 | if (sky2->flow_status & FC_TX) |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2027 | sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_PAUSE_ON); |
| 2028 | else |
| 2029 | sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_PAUSE_OFF); |
| 2030 | |
| 2031 | return 0; |
| 2032 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2033 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2034 | /* Interrupt from PHY */ |
| 2035 | static void sky2_phy_intr(struct sky2_hw *hw, unsigned port) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2036 | { |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2037 | struct net_device *dev = hw->dev[port]; |
| 2038 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2039 | u16 istatus, phystat; |
| 2040 | |
Stephen Hemminger | ebc646f | 2006-10-17 10:23:56 -0700 | [diff] [blame] | 2041 | if (!netif_running(dev)) |
| 2042 | return; |
| 2043 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2044 | spin_lock(&sky2->phy_lock); |
| 2045 | istatus = gm_phy_read(hw, port, PHY_MARV_INT_STAT); |
| 2046 | phystat = gm_phy_read(hw, port, PHY_MARV_PHY_STAT); |
| 2047 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2048 | if (netif_msg_intr(sky2)) |
| 2049 | printk(KERN_INFO PFX "%s: phy interrupt status 0x%x 0x%x\n", |
| 2050 | sky2->netdev->name, istatus, phystat); |
| 2051 | |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 2052 | if (sky2->autoneg == AUTONEG_ENABLE && (istatus & PHY_M_IS_AN_COMPL)) { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2053 | if (sky2_autoneg_done(sky2, phystat) == 0) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2054 | sky2_link_up(sky2); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2055 | goto out; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2056 | } |
| 2057 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2058 | if (istatus & PHY_M_IS_LSP_CHANGE) |
| 2059 | sky2->speed = sky2_phy_speed(hw, phystat); |
| 2060 | |
| 2061 | if (istatus & PHY_M_IS_DUP_CHANGE) |
| 2062 | sky2->duplex = |
| 2063 | (phystat & PHY_M_PS_FULL_DUP) ? DUPLEX_FULL : DUPLEX_HALF; |
| 2064 | |
| 2065 | if (istatus & PHY_M_IS_LST_CHANGE) { |
| 2066 | if (phystat & PHY_M_PS_LINK_UP) |
| 2067 | sky2_link_up(sky2); |
| 2068 | else |
| 2069 | sky2_link_down(sky2); |
| 2070 | } |
| 2071 | out: |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2072 | spin_unlock(&sky2->phy_lock); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2073 | } |
| 2074 | |
Stephen Hemminger | 62335ab | 2007-02-06 10:45:42 -0800 | [diff] [blame] | 2075 | /* Transmit timeout is only called if we are running, carrier is up |
Stephen Hemminger | 302d125 | 2006-01-17 13:43:20 -0800 | [diff] [blame] | 2076 | * and tx queue is full (stopped). |
| 2077 | */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2078 | static void sky2_tx_timeout(struct net_device *dev) |
| 2079 | { |
| 2080 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | 8cc048e | 2005-12-09 11:35:07 -0800 | [diff] [blame] | 2081 | struct sky2_hw *hw = sky2->hw; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2082 | |
| 2083 | if (netif_msg_timer(sky2)) |
| 2084 | printk(KERN_ERR PFX "%s: tx timeout\n", dev->name); |
| 2085 | |
Stephen Hemminger | 8f24664 | 2006-03-20 15:48:21 -0800 | [diff] [blame] | 2086 | printk(KERN_DEBUG PFX "%s: transmit ring %u .. %u report=%u done=%u\n", |
Stephen Hemminger | 62335ab | 2007-02-06 10:45:42 -0800 | [diff] [blame] | 2087 | dev->name, sky2->tx_cons, sky2->tx_prod, |
| 2088 | sky2_read16(hw, sky2->port == 0 ? STAT_TXA1_RIDX : STAT_TXA2_RIDX), |
| 2089 | sky2_read16(hw, Q_ADDR(txqaddr[sky2->port], Q_DONE))); |
Stephen Hemminger | 8cc048e | 2005-12-09 11:35:07 -0800 | [diff] [blame] | 2090 | |
Stephen Hemminger | 8190679 | 2007-02-15 16:40:33 -0800 | [diff] [blame] | 2091 | /* can't restart safely under softirq */ |
| 2092 | schedule_work(&hw->restart_work); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2093 | } |
| 2094 | |
| 2095 | static int sky2_change_mtu(struct net_device *dev, int new_mtu) |
| 2096 | { |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 2097 | struct sky2_port *sky2 = netdev_priv(dev); |
| 2098 | struct sky2_hw *hw = sky2->hw; |
Stephen Hemminger | b628ed9 | 2007-04-11 14:48:01 -0700 | [diff] [blame] | 2099 | unsigned port = sky2->port; |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 2100 | int err; |
| 2101 | u16 ctl, mode; |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2102 | u32 imask; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2103 | |
| 2104 | if (new_mtu < ETH_ZLEN || new_mtu > ETH_JUMBO_MTU) |
| 2105 | return -EINVAL; |
| 2106 | |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 2107 | if (new_mtu > ETH_DATA_LEN && |
| 2108 | (hw->chip_id == CHIP_ID_YUKON_FE || |
| 2109 | hw->chip_id == CHIP_ID_YUKON_FE_P)) |
Stephen Hemminger | d2adf4f | 2007-04-11 14:48:02 -0700 | [diff] [blame] | 2110 | return -EINVAL; |
| 2111 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 2112 | if (!netif_running(dev)) { |
| 2113 | dev->mtu = new_mtu; |
| 2114 | return 0; |
| 2115 | } |
| 2116 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2117 | imask = sky2_read32(hw, B0_IMSK); |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 2118 | sky2_write32(hw, B0_IMSK, 0); |
| 2119 | |
shemminger@osdl.org | 018d1c6 | 2005-11-30 11:45:18 -0800 | [diff] [blame] | 2120 | dev->trans_start = jiffies; /* prevent tx timeout */ |
| 2121 | netif_stop_queue(dev); |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 2122 | napi_disable(&hw->napi); |
shemminger@osdl.org | 018d1c6 | 2005-11-30 11:45:18 -0800 | [diff] [blame] | 2123 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2124 | synchronize_irq(hw->pdev->irq); |
| 2125 | |
Stephen Hemminger | 39dbd95 | 2008-02-04 19:45:13 -0800 | [diff] [blame] | 2126 | if (!(hw->flags & SKY2_HW_RAM_BUFFER)) |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 2127 | sky2_set_tx_stfwd(hw, port); |
Stephen Hemminger | b628ed9 | 2007-04-11 14:48:01 -0700 | [diff] [blame] | 2128 | |
| 2129 | ctl = gma_read16(hw, port, GM_GP_CTRL); |
| 2130 | gma_write16(hw, port, GM_GP_CTRL, ctl & ~GM_GPCR_RX_ENA); |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 2131 | sky2_rx_stop(sky2); |
| 2132 | sky2_rx_clean(sky2); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2133 | |
| 2134 | dev->mtu = new_mtu; |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 2135 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 2136 | mode = DATA_BLIND_VAL(DATA_BLIND_DEF) | |
| 2137 | GM_SMOD_VLAN_ENA | IPG_DATA_VAL(IPG_DATA_DEF); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2138 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 2139 | if (dev->mtu > ETH_DATA_LEN) |
| 2140 | mode |= GM_SMOD_JUMBO_ENA; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2141 | |
Stephen Hemminger | b628ed9 | 2007-04-11 14:48:01 -0700 | [diff] [blame] | 2142 | gma_write16(hw, port, GM_SERIAL_MODE, mode); |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 2143 | |
Stephen Hemminger | b628ed9 | 2007-04-11 14:48:01 -0700 | [diff] [blame] | 2144 | sky2_write8(hw, RB_ADDR(rxqaddr[port], RB_CTRL), RB_ENA_OP_MD); |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 2145 | |
| 2146 | err = sky2_rx_start(sky2); |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2147 | sky2_write32(hw, B0_IMSK, imask); |
shemminger@osdl.org | 018d1c6 | 2005-11-30 11:45:18 -0800 | [diff] [blame] | 2148 | |
David S. Miller | d1d08d1 | 2008-01-07 20:53:33 -0800 | [diff] [blame] | 2149 | sky2_read32(hw, B0_Y2_SP_LISR); |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 2150 | napi_enable(&hw->napi); |
| 2151 | |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 2152 | if (err) |
| 2153 | dev_close(dev); |
| 2154 | else { |
Stephen Hemminger | b628ed9 | 2007-04-11 14:48:01 -0700 | [diff] [blame] | 2155 | gma_write16(hw, port, GM_GP_CTRL, ctl); |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 2156 | |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 2157 | netif_wake_queue(dev); |
| 2158 | } |
| 2159 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2160 | return err; |
| 2161 | } |
| 2162 | |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 2163 | /* For small just reuse existing skb for next receive */ |
| 2164 | static struct sk_buff *receive_copy(struct sky2_port *sky2, |
| 2165 | const struct rx_ring_info *re, |
| 2166 | unsigned length) |
| 2167 | { |
| 2168 | struct sk_buff *skb; |
| 2169 | |
| 2170 | skb = netdev_alloc_skb(sky2->netdev, length + 2); |
| 2171 | if (likely(skb)) { |
| 2172 | skb_reserve(skb, 2); |
| 2173 | pci_dma_sync_single_for_cpu(sky2->hw->pdev, re->data_addr, |
| 2174 | length, PCI_DMA_FROMDEVICE); |
Arnaldo Carvalho de Melo | d626f62 | 2007-03-27 18:55:52 -0300 | [diff] [blame] | 2175 | skb_copy_from_linear_data(re->skb, skb->data, length); |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 2176 | skb->ip_summed = re->skb->ip_summed; |
| 2177 | skb->csum = re->skb->csum; |
| 2178 | pci_dma_sync_single_for_device(sky2->hw->pdev, re->data_addr, |
| 2179 | length, PCI_DMA_FROMDEVICE); |
| 2180 | re->skb->ip_summed = CHECKSUM_NONE; |
Stephen Hemminger | 489b10c | 2006-10-03 16:39:12 -0700 | [diff] [blame] | 2181 | skb_put(skb, length); |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 2182 | } |
| 2183 | return skb; |
| 2184 | } |
| 2185 | |
| 2186 | /* Adjust length of skb with fragments to match received data */ |
| 2187 | static void skb_put_frags(struct sk_buff *skb, unsigned int hdr_space, |
| 2188 | unsigned int length) |
| 2189 | { |
| 2190 | int i, num_frags; |
| 2191 | unsigned int size; |
| 2192 | |
| 2193 | /* put header into skb */ |
| 2194 | size = min(length, hdr_space); |
| 2195 | skb->tail += size; |
| 2196 | skb->len += size; |
| 2197 | length -= size; |
| 2198 | |
| 2199 | num_frags = skb_shinfo(skb)->nr_frags; |
| 2200 | for (i = 0; i < num_frags; i++) { |
| 2201 | skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; |
| 2202 | |
| 2203 | if (length == 0) { |
| 2204 | /* don't need this page */ |
| 2205 | __free_page(frag->page); |
| 2206 | --skb_shinfo(skb)->nr_frags; |
| 2207 | } else { |
| 2208 | size = min(length, (unsigned) PAGE_SIZE); |
| 2209 | |
| 2210 | frag->size = size; |
| 2211 | skb->data_len += size; |
| 2212 | skb->truesize += size; |
| 2213 | skb->len += size; |
| 2214 | length -= size; |
| 2215 | } |
| 2216 | } |
| 2217 | } |
| 2218 | |
| 2219 | /* Normal packet - take skb from ring element and put in a new one */ |
| 2220 | static struct sk_buff *receive_new(struct sky2_port *sky2, |
| 2221 | struct rx_ring_info *re, |
| 2222 | unsigned int length) |
| 2223 | { |
| 2224 | struct sk_buff *skb, *nskb; |
| 2225 | unsigned hdr_space = sky2->rx_data_size; |
| 2226 | |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 2227 | /* Don't be tricky about reusing pages (yet) */ |
| 2228 | nskb = sky2_rx_alloc(sky2); |
| 2229 | if (unlikely(!nskb)) |
| 2230 | return NULL; |
| 2231 | |
| 2232 | skb = re->skb; |
| 2233 | sky2_rx_unmap_skb(sky2->hw->pdev, re); |
| 2234 | |
| 2235 | prefetch(skb->data); |
| 2236 | re->skb = nskb; |
Stephen Hemminger | 454e6cb6 | 2009-02-03 11:27:28 +0000 | [diff] [blame] | 2237 | if (sky2_rx_map_skb(sky2->hw->pdev, re, hdr_space)) { |
| 2238 | dev_kfree_skb(nskb); |
| 2239 | re->skb = skb; |
| 2240 | return NULL; |
| 2241 | } |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 2242 | |
| 2243 | if (skb_shinfo(skb)->nr_frags) |
| 2244 | skb_put_frags(skb, hdr_space, length); |
| 2245 | else |
Stephen Hemminger | 489b10c | 2006-10-03 16:39:12 -0700 | [diff] [blame] | 2246 | skb_put(skb, length); |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 2247 | return skb; |
| 2248 | } |
| 2249 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2250 | /* |
| 2251 | * Receive one packet. |
shemminger@osdl.org | d571b69 | 2005-10-26 12:16:09 -0700 | [diff] [blame] | 2252 | * For larger packets, get new buffer. |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2253 | */ |
shemminger@osdl.org | 497d7c8 | 2006-08-28 10:00:46 -0700 | [diff] [blame] | 2254 | static struct sk_buff *sky2_receive(struct net_device *dev, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2255 | u16 length, u32 status) |
| 2256 | { |
shemminger@osdl.org | 497d7c8 | 2006-08-28 10:00:46 -0700 | [diff] [blame] | 2257 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 2258 | struct rx_ring_info *re = sky2->rx_ring + sky2->rx_next; |
Stephen Hemminger | 79e57d3 | 2005-09-19 15:42:33 -0700 | [diff] [blame] | 2259 | struct sk_buff *skb = NULL; |
Stephen Hemminger | d653223 | 2007-09-19 15:36:42 -0700 | [diff] [blame] | 2260 | u16 count = (status & GMR_FS_LEN) >> 16; |
| 2261 | |
| 2262 | #ifdef SKY2_VLAN_TAG_USED |
| 2263 | /* Account for vlan tag */ |
| 2264 | if (sky2->vlgrp && (status & GMR_FS_VLAN)) |
| 2265 | count -= VLAN_HLEN; |
| 2266 | #endif |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2267 | |
| 2268 | if (unlikely(netif_msg_rx_status(sky2))) |
| 2269 | 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] | 2270 | dev->name, sky2->rx_next, status, length); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2271 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2272 | sky2->rx_next = (sky2->rx_next + 1) % sky2->rx_pending; |
Stephen Hemminger | d70cd51 | 2005-12-09 11:35:09 -0800 | [diff] [blame] | 2273 | prefetch(sky2->rx_ring + sky2->rx_next); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2274 | |
Stephen Hemminger | 3b12e01 | 2007-09-26 17:58:47 -0700 | [diff] [blame] | 2275 | /* This chip has hardware problems that generates bogus status. |
| 2276 | * So do only marginal checking and expect higher level protocols |
| 2277 | * to handle crap frames. |
| 2278 | */ |
| 2279 | if (sky2->hw->chip_id == CHIP_ID_YUKON_FE_P && |
| 2280 | sky2->hw->chip_rev == CHIP_REV_YU_FE2_A0 && |
| 2281 | length != count) |
| 2282 | goto okay; |
| 2283 | |
shemminger@osdl.org | 42eeea0 | 2005-11-30 11:45:13 -0800 | [diff] [blame] | 2284 | if (status & GMR_FS_ANY_ERR) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2285 | goto error; |
| 2286 | |
shemminger@osdl.org | 42eeea0 | 2005-11-30 11:45:13 -0800 | [diff] [blame] | 2287 | if (!(status & GMR_FS_RX_OK)) |
| 2288 | goto resubmit; |
| 2289 | |
Stephen Hemminger | d653223 | 2007-09-19 15:36:42 -0700 | [diff] [blame] | 2290 | /* if length reported by DMA does not match PHY, packet was truncated */ |
| 2291 | if (length != count) |
Stephen Hemminger | 3b12e01 | 2007-09-26 17:58:47 -0700 | [diff] [blame] | 2292 | goto len_error; |
Stephen Hemminger | 7174953 | 2007-07-09 15:33:40 -0700 | [diff] [blame] | 2293 | |
Stephen Hemminger | 3b12e01 | 2007-09-26 17:58:47 -0700 | [diff] [blame] | 2294 | okay: |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 2295 | if (length < copybreak) |
| 2296 | skb = receive_copy(sky2, re, length); |
| 2297 | else |
| 2298 | skb = receive_new(sky2, re, length); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2299 | resubmit: |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 2300 | sky2_rx_submit(sky2, re); |
Stephen Hemminger | 79e57d3 | 2005-09-19 15:42:33 -0700 | [diff] [blame] | 2301 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2302 | return skb; |
| 2303 | |
Stephen Hemminger | 3b12e01 | 2007-09-26 17:58:47 -0700 | [diff] [blame] | 2304 | len_error: |
Stephen Hemminger | 7174953 | 2007-07-09 15:33:40 -0700 | [diff] [blame] | 2305 | /* Truncation of overlength packets |
| 2306 | causes PHY length to not match MAC length */ |
Stephen Hemminger | 7138a0f | 2007-10-11 19:48:22 -0700 | [diff] [blame] | 2307 | ++dev->stats.rx_length_errors; |
Stephen Hemminger | d653223 | 2007-09-19 15:36:42 -0700 | [diff] [blame] | 2308 | if (netif_msg_rx_err(sky2) && net_ratelimit()) |
Stephen Hemminger | 3b12e01 | 2007-09-26 17:58:47 -0700 | [diff] [blame] | 2309 | pr_info(PFX "%s: rx length error: status %#x length %d\n", |
| 2310 | dev->name, status, length); |
Stephen Hemminger | d653223 | 2007-09-19 15:36:42 -0700 | [diff] [blame] | 2311 | goto resubmit; |
Stephen Hemminger | 7174953 | 2007-07-09 15:33:40 -0700 | [diff] [blame] | 2312 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2313 | error: |
Stephen Hemminger | 7138a0f | 2007-10-11 19:48:22 -0700 | [diff] [blame] | 2314 | ++dev->stats.rx_errors; |
Stephen Hemminger | b6d7773 | 2006-10-17 10:24:16 -0700 | [diff] [blame] | 2315 | if (status & GMR_FS_RX_FF_OV) { |
Stephen Hemminger | 7138a0f | 2007-10-11 19:48:22 -0700 | [diff] [blame] | 2316 | dev->stats.rx_over_errors++; |
Stephen Hemminger | b6d7773 | 2006-10-17 10:24:16 -0700 | [diff] [blame] | 2317 | goto resubmit; |
| 2318 | } |
Stephen Hemminger | 6e15b71 | 2005-12-20 15:08:09 -0800 | [diff] [blame] | 2319 | |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 2320 | if (netif_msg_rx_err(sky2) && net_ratelimit()) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2321 | 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] | 2322 | dev->name, status, length); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2323 | |
| 2324 | if (status & (GMR_FS_LONG_ERR | GMR_FS_UN_SIZE)) |
Stephen Hemminger | 7138a0f | 2007-10-11 19:48:22 -0700 | [diff] [blame] | 2325 | dev->stats.rx_length_errors++; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2326 | if (status & GMR_FS_FRAGMENT) |
Stephen Hemminger | 7138a0f | 2007-10-11 19:48:22 -0700 | [diff] [blame] | 2327 | dev->stats.rx_frame_errors++; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2328 | if (status & GMR_FS_CRC_ERR) |
Stephen Hemminger | 7138a0f | 2007-10-11 19:48:22 -0700 | [diff] [blame] | 2329 | dev->stats.rx_crc_errors++; |
Stephen Hemminger | 79e57d3 | 2005-09-19 15:42:33 -0700 | [diff] [blame] | 2330 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2331 | goto resubmit; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2332 | } |
| 2333 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2334 | /* Transmit complete */ |
| 2335 | static inline void sky2_tx_done(struct net_device *dev, u16 last) |
Stephen Hemminger | 13b97b7 | 2005-12-09 11:35:03 -0800 | [diff] [blame] | 2336 | { |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2337 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | 302d125 | 2006-01-17 13:43:20 -0800 | [diff] [blame] | 2338 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2339 | if (netif_running(dev)) { |
Stephen Hemminger | 2bb8c26 | 2006-09-26 11:57:42 -0700 | [diff] [blame] | 2340 | netif_tx_lock(dev); |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2341 | sky2_tx_complete(sky2, last); |
Stephen Hemminger | 2bb8c26 | 2006-09-26 11:57:42 -0700 | [diff] [blame] | 2342 | netif_tx_unlock(dev); |
shemminger@osdl.org | 2224795 | 2005-11-30 11:45:19 -0800 | [diff] [blame] | 2343 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2344 | } |
| 2345 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2346 | /* Process status response ring */ |
Stephen Hemminger | 2669183 | 2007-10-11 18:31:13 -0700 | [diff] [blame] | 2347 | static int sky2_status_intr(struct sky2_hw *hw, int to_do, u16 idx) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2348 | { |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2349 | int work_done = 0; |
Stephen Hemminger | 55c9dd3 | 2007-07-09 15:33:37 -0700 | [diff] [blame] | 2350 | unsigned rx[2] = { 0, 0 }; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2351 | |
Stephen Hemminger | af2a58a | 2005-12-09 11:35:04 -0800 | [diff] [blame] | 2352 | rmb(); |
Stephen Hemminger | 2669183 | 2007-10-11 18:31:13 -0700 | [diff] [blame] | 2353 | do { |
Stephen Hemminger | 55c9dd3 | 2007-07-09 15:33:37 -0700 | [diff] [blame] | 2354 | struct sky2_port *sky2; |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 2355 | struct sky2_status_le *le = hw->st_le + hw->st_idx; |
Stephen Hemminger | ab5adec | 2007-11-05 15:52:09 -0800 | [diff] [blame] | 2356 | unsigned port; |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 2357 | struct net_device *dev; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2358 | struct sk_buff *skb; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2359 | u32 status; |
| 2360 | u16 length; |
Stephen Hemminger | ab5adec | 2007-11-05 15:52:09 -0800 | [diff] [blame] | 2361 | u8 opcode = le->opcode; |
| 2362 | |
| 2363 | if (!(opcode & HW_OWNER)) |
| 2364 | break; |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2365 | |
Stephen Hemminger | cb5d954 | 2006-05-08 15:11:29 -0700 | [diff] [blame] | 2366 | hw->st_idx = RING_NEXT(hw->st_idx, STATUS_RING_SIZE); |
shemminger@osdl.org | bea8610 | 2005-10-26 12:16:10 -0700 | [diff] [blame] | 2367 | |
Stephen Hemminger | ab5adec | 2007-11-05 15:52:09 -0800 | [diff] [blame] | 2368 | port = le->css & CSS_LINK_BIT; |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 2369 | dev = hw->dev[port]; |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 2370 | sky2 = netdev_priv(dev); |
Stephen Hemminger | f65b138 | 2006-09-06 12:45:02 -0700 | [diff] [blame] | 2371 | length = le16_to_cpu(le->length); |
| 2372 | status = le32_to_cpu(le->status); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2373 | |
Stephen Hemminger | ab5adec | 2007-11-05 15:52:09 -0800 | [diff] [blame] | 2374 | le->opcode = 0; |
| 2375 | switch (opcode & ~HW_OWNER) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2376 | case OP_RXSTAT: |
Stephen Hemminger | 55c9dd3 | 2007-07-09 15:33:37 -0700 | [diff] [blame] | 2377 | ++rx[port]; |
shemminger@osdl.org | 497d7c8 | 2006-08-28 10:00:46 -0700 | [diff] [blame] | 2378 | skb = sky2_receive(dev, length, status); |
Stephen Hemminger | 3225b91 | 2007-05-14 12:38:12 -0700 | [diff] [blame] | 2379 | if (unlikely(!skb)) { |
Stephen Hemminger | 7138a0f | 2007-10-11 19:48:22 -0700 | [diff] [blame] | 2380 | dev->stats.rx_dropped++; |
Stephen Hemminger | 55c9dd3 | 2007-07-09 15:33:37 -0700 | [diff] [blame] | 2381 | break; |
Stephen Hemminger | 3225b91 | 2007-05-14 12:38:12 -0700 | [diff] [blame] | 2382 | } |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 2383 | |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 2384 | /* This chip reports checksum status differently */ |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 2385 | if (hw->flags & SKY2_HW_NEW_LE) { |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 2386 | if (sky2->rx_csum && |
| 2387 | (le->css & (CSS_ISIPV4 | CSS_ISIPV6)) && |
| 2388 | (le->css & CSS_TCPUDPCSOK)) |
| 2389 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
| 2390 | else |
| 2391 | skb->ip_summed = CHECKSUM_NONE; |
| 2392 | } |
| 2393 | |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 2394 | skb->protocol = eth_type_trans(skb, dev); |
Stephen Hemminger | 7138a0f | 2007-10-11 19:48:22 -0700 | [diff] [blame] | 2395 | dev->stats.rx_packets++; |
| 2396 | dev->stats.rx_bytes += skb->len; |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 2397 | dev->last_rx = jiffies; |
| 2398 | |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 2399 | #ifdef SKY2_VLAN_TAG_USED |
| 2400 | if (sky2->vlgrp && (status & GMR_FS_VLAN)) { |
| 2401 | vlan_hwaccel_receive_skb(skb, |
| 2402 | sky2->vlgrp, |
| 2403 | be16_to_cpu(sky2->rx_tag)); |
| 2404 | } else |
| 2405 | #endif |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2406 | netif_receive_skb(skb); |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 2407 | |
Stephen Hemminger | 22e1170 | 2006-07-12 15:23:48 -0700 | [diff] [blame] | 2408 | /* Stop after net poll weight */ |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 2409 | if (++work_done >= to_do) |
| 2410 | goto exit_loop; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2411 | break; |
| 2412 | |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 2413 | #ifdef SKY2_VLAN_TAG_USED |
| 2414 | case OP_RXVLAN: |
| 2415 | sky2->rx_tag = length; |
| 2416 | break; |
| 2417 | |
| 2418 | case OP_RXCHKSVLAN: |
| 2419 | sky2->rx_tag = length; |
| 2420 | /* fall through */ |
| 2421 | #endif |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2422 | case OP_RXCHKS: |
Stephen Hemminger | 8741830 | 2007-03-08 12:42:30 -0800 | [diff] [blame] | 2423 | if (!sky2->rx_csum) |
| 2424 | break; |
| 2425 | |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 2426 | /* If this happens then driver assuming wrong format */ |
| 2427 | if (unlikely(hw->flags & SKY2_HW_NEW_LE)) { |
| 2428 | if (net_ratelimit()) |
| 2429 | printk(KERN_NOTICE "%s: unexpected" |
| 2430 | " checksum status\n", |
| 2431 | dev->name); |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 2432 | break; |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 2433 | } |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 2434 | |
Stephen Hemminger | 8741830 | 2007-03-08 12:42:30 -0800 | [diff] [blame] | 2435 | /* Both checksum counters are programmed to start at |
| 2436 | * the same offset, so unless there is a problem they |
| 2437 | * should match. This failure is an early indication that |
| 2438 | * hardware receive checksumming won't work. |
| 2439 | */ |
| 2440 | if (likely(status >> 16 == (status & 0xffff))) { |
| 2441 | skb = sky2->rx_ring[sky2->rx_next].skb; |
| 2442 | skb->ip_summed = CHECKSUM_COMPLETE; |
| 2443 | skb->csum = status & 0xffff; |
| 2444 | } else { |
| 2445 | printk(KERN_NOTICE PFX "%s: hardware receive " |
| 2446 | "checksum problem (status = %#x)\n", |
| 2447 | dev->name, status); |
| 2448 | sky2->rx_csum = 0; |
| 2449 | sky2_write32(sky2->hw, |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 2450 | Q_ADDR(rxqaddr[port], Q_CSR), |
Stephen Hemminger | 8741830 | 2007-03-08 12:42:30 -0800 | [diff] [blame] | 2451 | BMU_DIS_RX_CHKSUM); |
| 2452 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2453 | break; |
| 2454 | |
| 2455 | case OP_TXINDEXLE: |
Stephen Hemminger | 13b97b7 | 2005-12-09 11:35:03 -0800 | [diff] [blame] | 2456 | /* TX index reports status for both ports */ |
Stephen Hemminger | f55925d | 2006-05-08 15:11:28 -0700 | [diff] [blame] | 2457 | BUILD_BUG_ON(TX_RING_SIZE > 0x1000); |
| 2458 | sky2_tx_done(hw->dev[0], status & 0xfff); |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2459 | if (hw->dev[1]) |
| 2460 | sky2_tx_done(hw->dev[1], |
| 2461 | ((status >> 24) & 0xff) |
| 2462 | | (u16)(length & 0xf) << 8); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2463 | break; |
| 2464 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2465 | default: |
| 2466 | if (net_ratelimit()) |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2467 | printk(KERN_WARNING PFX |
Stephen Hemminger | ab5adec | 2007-11-05 15:52:09 -0800 | [diff] [blame] | 2468 | "unknown status opcode 0x%x\n", opcode); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2469 | } |
Stephen Hemminger | 2669183 | 2007-10-11 18:31:13 -0700 | [diff] [blame] | 2470 | } while (hw->st_idx != idx); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2471 | |
Stephen Hemminger | fe2a24d | 2006-08-01 11:55:23 -0700 | [diff] [blame] | 2472 | /* Fully processed status ring so clear irq */ |
| 2473 | sky2_write32(hw, STAT_CTRL, SC_STAT_CLR_IRQ); |
| 2474 | |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 2475 | exit_loop: |
Stephen Hemminger | 55c9dd3 | 2007-07-09 15:33:37 -0700 | [diff] [blame] | 2476 | if (rx[0]) |
| 2477 | sky2_rx_update(netdev_priv(hw->dev[0]), Q_R1); |
Stephen Hemminger | 22e1170 | 2006-07-12 15:23:48 -0700 | [diff] [blame] | 2478 | |
Stephen Hemminger | 55c9dd3 | 2007-07-09 15:33:37 -0700 | [diff] [blame] | 2479 | if (rx[1]) |
| 2480 | sky2_rx_update(netdev_priv(hw->dev[1]), Q_R2); |
Stephen Hemminger | 22e1170 | 2006-07-12 15:23:48 -0700 | [diff] [blame] | 2481 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2482 | return work_done; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2483 | } |
| 2484 | |
| 2485 | static void sky2_hw_error(struct sky2_hw *hw, unsigned port, u32 status) |
| 2486 | { |
| 2487 | struct net_device *dev = hw->dev[port]; |
| 2488 | |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 2489 | if (net_ratelimit()) |
| 2490 | printk(KERN_INFO PFX "%s: hw error interrupt status 0x%x\n", |
| 2491 | dev->name, status); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2492 | |
| 2493 | if (status & Y2_IS_PAR_RD1) { |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 2494 | if (net_ratelimit()) |
| 2495 | printk(KERN_ERR PFX "%s: ram data read parity error\n", |
| 2496 | dev->name); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2497 | /* Clear IRQ */ |
| 2498 | sky2_write16(hw, RAM_BUFFER(port, B3_RI_CTRL), RI_CLR_RD_PERR); |
| 2499 | } |
| 2500 | |
| 2501 | if (status & Y2_IS_PAR_WR1) { |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 2502 | if (net_ratelimit()) |
| 2503 | printk(KERN_ERR PFX "%s: ram data write parity error\n", |
| 2504 | dev->name); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2505 | |
| 2506 | sky2_write16(hw, RAM_BUFFER(port, B3_RI_CTRL), RI_CLR_WR_PERR); |
| 2507 | } |
| 2508 | |
| 2509 | if (status & Y2_IS_PAR_MAC1) { |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 2510 | if (net_ratelimit()) |
| 2511 | printk(KERN_ERR PFX "%s: MAC parity error\n", dev->name); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2512 | sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_CLI_TX_PE); |
| 2513 | } |
| 2514 | |
| 2515 | if (status & Y2_IS_PAR_RX1) { |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 2516 | if (net_ratelimit()) |
| 2517 | printk(KERN_ERR PFX "%s: RX parity error\n", dev->name); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2518 | sky2_write32(hw, Q_ADDR(rxqaddr[port], Q_CSR), BMU_CLR_IRQ_PAR); |
| 2519 | } |
| 2520 | |
| 2521 | if (status & Y2_IS_TCP_TXA1) { |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 2522 | if (net_ratelimit()) |
| 2523 | printk(KERN_ERR PFX "%s: TCP segmentation error\n", |
| 2524 | dev->name); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2525 | sky2_write32(hw, Q_ADDR(txqaddr[port], Q_CSR), BMU_CLR_IRQ_TCP); |
| 2526 | } |
| 2527 | } |
| 2528 | |
| 2529 | static void sky2_hw_intr(struct sky2_hw *hw) |
| 2530 | { |
Stephen Hemminger | 555382c | 2007-08-29 12:58:14 -0700 | [diff] [blame] | 2531 | struct pci_dev *pdev = hw->pdev; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2532 | u32 status = sky2_read32(hw, B0_HWE_ISRC); |
Stephen Hemminger | 555382c | 2007-08-29 12:58:14 -0700 | [diff] [blame] | 2533 | u32 hwmsk = sky2_read32(hw, B0_HWE_IMSK); |
| 2534 | |
| 2535 | status &= hwmsk; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2536 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2537 | if (status & Y2_IS_TIST_OV) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2538 | sky2_write8(hw, GMAC_TI_ST_CTRL, GMT_ST_CLR_IRQ); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2539 | |
| 2540 | if (status & (Y2_IS_MST_ERR | Y2_IS_IRQ_STAT)) { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2541 | u16 pci_err; |
| 2542 | |
Stephen Hemminger | 82637e8 | 2008-01-23 19:16:04 -0800 | [diff] [blame] | 2543 | sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON); |
Stephen Hemminger | b32f40c | 2007-11-27 10:57:27 -0800 | [diff] [blame] | 2544 | pci_err = sky2_pci_read16(hw, PCI_STATUS); |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 2545 | if (net_ratelimit()) |
Stephen Hemminger | 555382c | 2007-08-29 12:58:14 -0700 | [diff] [blame] | 2546 | dev_err(&pdev->dev, "PCI hardware error (0x%x)\n", |
Stephen Hemminger | b02a925 | 2007-02-06 10:45:40 -0800 | [diff] [blame] | 2547 | pci_err); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2548 | |
Stephen Hemminger | b32f40c | 2007-11-27 10:57:27 -0800 | [diff] [blame] | 2549 | sky2_pci_write16(hw, PCI_STATUS, |
Stephen Hemminger | 167f53d | 2007-09-25 19:01:02 -0700 | [diff] [blame] | 2550 | pci_err | PCI_STATUS_ERROR_BITS); |
Stephen Hemminger | 82637e8 | 2008-01-23 19:16:04 -0800 | [diff] [blame] | 2551 | sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2552 | } |
| 2553 | |
| 2554 | if (status & Y2_IS_PCI_EXP) { |
shemminger@osdl.org | d571b69 | 2005-10-26 12:16:09 -0700 | [diff] [blame] | 2555 | /* PCI-Express uncorrectable Error occurred */ |
Stephen Hemminger | 555382c | 2007-08-29 12:58:14 -0700 | [diff] [blame] | 2556 | u32 err; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2557 | |
Stephen Hemminger | 82637e8 | 2008-01-23 19:16:04 -0800 | [diff] [blame] | 2558 | sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON); |
Stephen Hemminger | 7782c8c | 2007-11-27 11:02:32 -0800 | [diff] [blame] | 2559 | err = sky2_read32(hw, Y2_CFG_AER + PCI_ERR_UNCOR_STATUS); |
| 2560 | sky2_write32(hw, Y2_CFG_AER + PCI_ERR_UNCOR_STATUS, |
| 2561 | 0xfffffffful); |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 2562 | if (net_ratelimit()) |
Stephen Hemminger | 555382c | 2007-08-29 12:58:14 -0700 | [diff] [blame] | 2563 | dev_err(&pdev->dev, "PCI Express error (0x%x)\n", err); |
Stephen Hemminger | cf06ffb | 2007-11-05 15:52:13 -0800 | [diff] [blame] | 2564 | |
Stephen Hemminger | 7782c8c | 2007-11-27 11:02:32 -0800 | [diff] [blame] | 2565 | sky2_read32(hw, Y2_CFG_AER + PCI_ERR_UNCOR_STATUS); |
Stephen Hemminger | 82637e8 | 2008-01-23 19:16:04 -0800 | [diff] [blame] | 2566 | sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2567 | } |
| 2568 | |
| 2569 | if (status & Y2_HWE_L1_MASK) |
| 2570 | sky2_hw_error(hw, 0, status); |
| 2571 | status >>= 8; |
| 2572 | if (status & Y2_HWE_L1_MASK) |
| 2573 | sky2_hw_error(hw, 1, status); |
| 2574 | } |
| 2575 | |
| 2576 | static void sky2_mac_intr(struct sky2_hw *hw, unsigned port) |
| 2577 | { |
| 2578 | struct net_device *dev = hw->dev[port]; |
| 2579 | struct sky2_port *sky2 = netdev_priv(dev); |
| 2580 | u8 status = sky2_read8(hw, SK_REG(port, GMAC_IRQ_SRC)); |
| 2581 | |
| 2582 | if (netif_msg_intr(sky2)) |
| 2583 | printk(KERN_INFO PFX "%s: mac interrupt status 0x%x\n", |
| 2584 | dev->name, status); |
| 2585 | |
Stephen Hemminger | a3caead | 2007-05-14 12:38:13 -0700 | [diff] [blame] | 2586 | if (status & GM_IS_RX_CO_OV) |
| 2587 | gma_read16(hw, port, GM_RX_IRQ_SRC); |
| 2588 | |
| 2589 | if (status & GM_IS_TX_CO_OV) |
| 2590 | gma_read16(hw, port, GM_TX_IRQ_SRC); |
| 2591 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2592 | if (status & GM_IS_RX_FF_OR) { |
Stephen Hemminger | 7138a0f | 2007-10-11 19:48:22 -0700 | [diff] [blame] | 2593 | ++dev->stats.rx_fifo_errors; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2594 | sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_CLI_RX_FO); |
| 2595 | } |
| 2596 | |
| 2597 | if (status & GM_IS_TX_FF_UR) { |
Stephen Hemminger | 7138a0f | 2007-10-11 19:48:22 -0700 | [diff] [blame] | 2598 | ++dev->stats.tx_fifo_errors; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2599 | sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_CLI_TX_FU); |
| 2600 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2601 | } |
| 2602 | |
Stephen Hemminger | 40b0172 | 2007-04-11 14:47:59 -0700 | [diff] [blame] | 2603 | /* This should never happen it is a bug. */ |
| 2604 | static void sky2_le_error(struct sky2_hw *hw, unsigned port, |
| 2605 | u16 q, unsigned ring_size) |
Stephen Hemminger | d257924 | 2006-03-20 15:48:22 -0800 | [diff] [blame] | 2606 | { |
| 2607 | struct net_device *dev = hw->dev[port]; |
| 2608 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | 40b0172 | 2007-04-11 14:47:59 -0700 | [diff] [blame] | 2609 | unsigned idx; |
| 2610 | const u64 *le = (q == Q_R1 || q == Q_R2) |
| 2611 | ? (u64 *) sky2->rx_le : (u64 *) sky2->tx_le; |
Stephen Hemminger | d257924 | 2006-03-20 15:48:22 -0800 | [diff] [blame] | 2612 | |
Stephen Hemminger | 40b0172 | 2007-04-11 14:47:59 -0700 | [diff] [blame] | 2613 | idx = sky2_read16(hw, Y2_QADDR(q, PREF_UNIT_GET_IDX)); |
| 2614 | printk(KERN_ERR PFX "%s: descriptor error q=%#x get=%u [%llx] put=%u\n", |
| 2615 | dev->name, (unsigned) q, idx, (unsigned long long) le[idx], |
| 2616 | (unsigned) sky2_read16(hw, Y2_QADDR(q, PREF_UNIT_PUT_IDX))); |
Stephen Hemminger | d257924 | 2006-03-20 15:48:22 -0800 | [diff] [blame] | 2617 | |
Stephen Hemminger | 40b0172 | 2007-04-11 14:47:59 -0700 | [diff] [blame] | 2618 | sky2_write32(hw, Q_ADDR(q, Q_CSR), BMU_CLR_IRQ_CHK); |
Stephen Hemminger | d257924 | 2006-03-20 15:48:22 -0800 | [diff] [blame] | 2619 | } |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2620 | |
Stephen Hemminger | 75e8068 | 2007-09-19 15:36:46 -0700 | [diff] [blame] | 2621 | static int sky2_rx_hung(struct net_device *dev) |
| 2622 | { |
| 2623 | struct sky2_port *sky2 = netdev_priv(dev); |
| 2624 | struct sky2_hw *hw = sky2->hw; |
| 2625 | unsigned port = sky2->port; |
| 2626 | unsigned rxq = rxqaddr[port]; |
| 2627 | u32 mac_rp = sky2_read32(hw, SK_REG(port, RX_GMF_RP)); |
| 2628 | u8 mac_lev = sky2_read8(hw, SK_REG(port, RX_GMF_RLEV)); |
| 2629 | u8 fifo_rp = sky2_read8(hw, Q_ADDR(rxq, Q_RP)); |
| 2630 | u8 fifo_lev = sky2_read8(hw, Q_ADDR(rxq, Q_RL)); |
| 2631 | |
| 2632 | /* If idle and MAC or PCI is stuck */ |
| 2633 | if (sky2->check.last == dev->last_rx && |
| 2634 | ((mac_rp == sky2->check.mac_rp && |
| 2635 | mac_lev != 0 && mac_lev >= sky2->check.mac_lev) || |
| 2636 | /* Check if the PCI RX hang */ |
| 2637 | (fifo_rp == sky2->check.fifo_rp && |
| 2638 | fifo_lev != 0 && fifo_lev >= sky2->check.fifo_lev))) { |
| 2639 | printk(KERN_DEBUG PFX "%s: hung mac %d:%d fifo %d (%d:%d)\n", |
| 2640 | dev->name, mac_lev, mac_rp, fifo_lev, fifo_rp, |
| 2641 | sky2_read8(hw, Q_ADDR(rxq, Q_WP))); |
| 2642 | return 1; |
| 2643 | } else { |
| 2644 | sky2->check.last = dev->last_rx; |
| 2645 | sky2->check.mac_rp = mac_rp; |
| 2646 | sky2->check.mac_lev = mac_lev; |
| 2647 | sky2->check.fifo_rp = fifo_rp; |
| 2648 | sky2->check.fifo_lev = fifo_lev; |
| 2649 | return 0; |
| 2650 | } |
| 2651 | } |
| 2652 | |
Stephen Hemminger | 32c2c30 | 2007-08-21 14:34:03 -0700 | [diff] [blame] | 2653 | static void sky2_watchdog(unsigned long arg) |
Stephen Hemminger | d27ed38 | 2006-04-25 10:58:51 -0700 | [diff] [blame] | 2654 | { |
Stephen Hemminger | 01bd756 | 2006-05-08 15:11:30 -0700 | [diff] [blame] | 2655 | struct sky2_hw *hw = (struct sky2_hw *) arg; |
Stephen Hemminger | d27ed38 | 2006-04-25 10:58:51 -0700 | [diff] [blame] | 2656 | |
Stephen Hemminger | 75e8068 | 2007-09-19 15:36:46 -0700 | [diff] [blame] | 2657 | /* Check for lost IRQ once a second */ |
Stephen Hemminger | 32c2c30 | 2007-08-21 14:34:03 -0700 | [diff] [blame] | 2658 | if (sky2_read32(hw, B0_ISRC)) { |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 2659 | napi_schedule(&hw->napi); |
Stephen Hemminger | 75e8068 | 2007-09-19 15:36:46 -0700 | [diff] [blame] | 2660 | } else { |
| 2661 | int i, active = 0; |
| 2662 | |
| 2663 | for (i = 0; i < hw->ports; i++) { |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 2664 | struct net_device *dev = hw->dev[i]; |
Stephen Hemminger | 75e8068 | 2007-09-19 15:36:46 -0700 | [diff] [blame] | 2665 | if (!netif_running(dev)) |
| 2666 | continue; |
| 2667 | ++active; |
| 2668 | |
| 2669 | /* For chips with Rx FIFO, check if stuck */ |
Stephen Hemminger | 39dbd95 | 2008-02-04 19:45:13 -0800 | [diff] [blame] | 2670 | if ((hw->flags & SKY2_HW_RAM_BUFFER) && |
Stephen Hemminger | 75e8068 | 2007-09-19 15:36:46 -0700 | [diff] [blame] | 2671 | sky2_rx_hung(dev)) { |
| 2672 | pr_info(PFX "%s: receiver hang detected\n", |
| 2673 | dev->name); |
| 2674 | schedule_work(&hw->restart_work); |
| 2675 | return; |
| 2676 | } |
| 2677 | } |
| 2678 | |
| 2679 | if (active == 0) |
| 2680 | return; |
Stephen Hemminger | 32c2c30 | 2007-08-21 14:34:03 -0700 | [diff] [blame] | 2681 | } |
| 2682 | |
Stephen Hemminger | 75e8068 | 2007-09-19 15:36:46 -0700 | [diff] [blame] | 2683 | mod_timer(&hw->watchdog_timer, round_jiffies(jiffies + HZ)); |
Stephen Hemminger | d27ed38 | 2006-04-25 10:58:51 -0700 | [diff] [blame] | 2684 | } |
| 2685 | |
Stephen Hemminger | 40b0172 | 2007-04-11 14:47:59 -0700 | [diff] [blame] | 2686 | /* Hardware/software error handling */ |
| 2687 | static void sky2_err_intr(struct sky2_hw *hw, u32 status) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2688 | { |
Stephen Hemminger | 40b0172 | 2007-04-11 14:47:59 -0700 | [diff] [blame] | 2689 | if (net_ratelimit()) |
| 2690 | dev_warn(&hw->pdev->dev, "error interrupt status=%#x\n", status); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2691 | |
Stephen Hemminger | 1e5f128 | 2006-05-08 15:11:27 -0700 | [diff] [blame] | 2692 | if (status & Y2_IS_HW_ERR) |
| 2693 | sky2_hw_intr(hw); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2694 | |
Stephen Hemminger | 1e5f128 | 2006-05-08 15:11:27 -0700 | [diff] [blame] | 2695 | if (status & Y2_IS_IRQ_MAC1) |
| 2696 | sky2_mac_intr(hw, 0); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2697 | |
Stephen Hemminger | 1e5f128 | 2006-05-08 15:11:27 -0700 | [diff] [blame] | 2698 | if (status & Y2_IS_IRQ_MAC2) |
| 2699 | sky2_mac_intr(hw, 1); |
Stephen Hemminger | d257924 | 2006-03-20 15:48:22 -0800 | [diff] [blame] | 2700 | |
Stephen Hemminger | 1e5f128 | 2006-05-08 15:11:27 -0700 | [diff] [blame] | 2701 | if (status & Y2_IS_CHK_RX1) |
Stephen Hemminger | 40b0172 | 2007-04-11 14:47:59 -0700 | [diff] [blame] | 2702 | sky2_le_error(hw, 0, Q_R1, RX_LE_SIZE); |
Stephen Hemminger | d257924 | 2006-03-20 15:48:22 -0800 | [diff] [blame] | 2703 | |
Stephen Hemminger | 1e5f128 | 2006-05-08 15:11:27 -0700 | [diff] [blame] | 2704 | if (status & Y2_IS_CHK_RX2) |
Stephen Hemminger | 40b0172 | 2007-04-11 14:47:59 -0700 | [diff] [blame] | 2705 | sky2_le_error(hw, 1, Q_R2, RX_LE_SIZE); |
Stephen Hemminger | d257924 | 2006-03-20 15:48:22 -0800 | [diff] [blame] | 2706 | |
Stephen Hemminger | 1e5f128 | 2006-05-08 15:11:27 -0700 | [diff] [blame] | 2707 | if (status & Y2_IS_CHK_TXA1) |
Stephen Hemminger | 40b0172 | 2007-04-11 14:47:59 -0700 | [diff] [blame] | 2708 | sky2_le_error(hw, 0, Q_XA1, TX_RING_SIZE); |
Stephen Hemminger | d257924 | 2006-03-20 15:48:22 -0800 | [diff] [blame] | 2709 | |
Stephen Hemminger | 1e5f128 | 2006-05-08 15:11:27 -0700 | [diff] [blame] | 2710 | if (status & Y2_IS_CHK_TXA2) |
Stephen Hemminger | 40b0172 | 2007-04-11 14:47:59 -0700 | [diff] [blame] | 2711 | sky2_le_error(hw, 1, Q_XA2, TX_RING_SIZE); |
| 2712 | } |
| 2713 | |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 2714 | static int sky2_poll(struct napi_struct *napi, int work_limit) |
Stephen Hemminger | 40b0172 | 2007-04-11 14:47:59 -0700 | [diff] [blame] | 2715 | { |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 2716 | struct sky2_hw *hw = container_of(napi, struct sky2_hw, napi); |
Stephen Hemminger | 40b0172 | 2007-04-11 14:47:59 -0700 | [diff] [blame] | 2717 | u32 status = sky2_read32(hw, B0_Y2_SP_EISR); |
David S. Miller | 6f53576 | 2007-10-11 18:08:29 -0700 | [diff] [blame] | 2718 | int work_done = 0; |
Stephen Hemminger | 2669183 | 2007-10-11 18:31:13 -0700 | [diff] [blame] | 2719 | u16 idx; |
Stephen Hemminger | 40b0172 | 2007-04-11 14:47:59 -0700 | [diff] [blame] | 2720 | |
| 2721 | if (unlikely(status & Y2_IS_ERROR)) |
| 2722 | sky2_err_intr(hw, status); |
| 2723 | |
| 2724 | if (status & Y2_IS_IRQ_PHY1) |
| 2725 | sky2_phy_intr(hw, 0); |
| 2726 | |
| 2727 | if (status & Y2_IS_IRQ_PHY2) |
| 2728 | sky2_phy_intr(hw, 1); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2729 | |
Stephen Hemminger | 2669183 | 2007-10-11 18:31:13 -0700 | [diff] [blame] | 2730 | while ((idx = sky2_read16(hw, STAT_PUT_IDX)) != hw->st_idx) { |
| 2731 | work_done += sky2_status_intr(hw, work_limit - work_done, idx); |
Stephen Hemminger | 1e5f128 | 2006-05-08 15:11:27 -0700 | [diff] [blame] | 2732 | |
David S. Miller | 6f53576 | 2007-10-11 18:08:29 -0700 | [diff] [blame] | 2733 | if (work_done >= work_limit) |
Stephen Hemminger | 2669183 | 2007-10-11 18:31:13 -0700 | [diff] [blame] | 2734 | goto done; |
Stephen Hemminger | fe2a24d | 2006-08-01 11:55:23 -0700 | [diff] [blame] | 2735 | } |
David S. Miller | 6f53576 | 2007-10-11 18:08:29 -0700 | [diff] [blame] | 2736 | |
Stephen Hemminger | 2669183 | 2007-10-11 18:31:13 -0700 | [diff] [blame] | 2737 | napi_complete(napi); |
| 2738 | sky2_read32(hw, B0_Y2_SP_LISR); |
| 2739 | done: |
| 2740 | |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 2741 | return work_done; |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2742 | } |
| 2743 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 2744 | static irqreturn_t sky2_intr(int irq, void *dev_id) |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2745 | { |
| 2746 | struct sky2_hw *hw = dev_id; |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2747 | u32 status; |
| 2748 | |
| 2749 | /* Reading this mask interrupts as side effect */ |
| 2750 | status = sky2_read32(hw, B0_Y2_SP_ISRC2); |
| 2751 | if (status == 0 || status == ~0) |
| 2752 | return IRQ_NONE; |
| 2753 | |
| 2754 | prefetch(&hw->st_le[hw->st_idx]); |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 2755 | |
| 2756 | napi_schedule(&hw->napi); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2757 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2758 | return IRQ_HANDLED; |
| 2759 | } |
| 2760 | |
| 2761 | #ifdef CONFIG_NET_POLL_CONTROLLER |
| 2762 | static void sky2_netpoll(struct net_device *dev) |
| 2763 | { |
| 2764 | struct sky2_port *sky2 = netdev_priv(dev); |
| 2765 | |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 2766 | napi_schedule(&sky2->hw->napi); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2767 | } |
| 2768 | #endif |
| 2769 | |
| 2770 | /* Chip internal frequency for clock calculations */ |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 2771 | static u32 sky2_mhz(const struct sky2_hw *hw) |
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 | switch (hw->chip_id) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2774 | case CHIP_ID_YUKON_EC: |
shemminger@osdl.org | 5a5b1ea | 2005-11-30 11:45:15 -0800 | [diff] [blame] | 2775 | case CHIP_ID_YUKON_EC_U: |
Stephen Hemminger | 9374549 | 2007-02-06 10:45:43 -0800 | [diff] [blame] | 2776 | case CHIP_ID_YUKON_EX: |
Stephen Hemminger | ed4d416 | 2008-01-10 16:14:14 -0800 | [diff] [blame] | 2777 | case CHIP_ID_YUKON_SUPR: |
Stephen Hemminger | 0ce8b98 | 2008-06-17 09:04:27 -0700 | [diff] [blame] | 2778 | case CHIP_ID_YUKON_UL_2: |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 2779 | return 125; |
| 2780 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2781 | case CHIP_ID_YUKON_FE: |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 2782 | return 100; |
| 2783 | |
| 2784 | case CHIP_ID_YUKON_FE_P: |
| 2785 | return 50; |
| 2786 | |
| 2787 | case CHIP_ID_YUKON_XL: |
| 2788 | return 156; |
| 2789 | |
| 2790 | default: |
| 2791 | BUG(); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2792 | } |
| 2793 | } |
| 2794 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2795 | static inline u32 sky2_us2clk(const struct sky2_hw *hw, u32 us) |
| 2796 | { |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 2797 | return sky2_mhz(hw) * us; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2798 | } |
| 2799 | |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 2800 | static inline u32 sky2_clk2us(const struct sky2_hw *hw, u32 clk) |
| 2801 | { |
| 2802 | return clk / sky2_mhz(hw); |
| 2803 | } |
| 2804 | |
| 2805 | |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 2806 | static int __devinit sky2_init(struct sky2_hw *hw) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2807 | { |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 2808 | u8 t8; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2809 | |
Stephen Hemminger | 167f53d | 2007-09-25 19:01:02 -0700 | [diff] [blame] | 2810 | /* Enable all clocks and check for bad PCI access */ |
Stephen Hemminger | b32f40c | 2007-11-27 10:57:27 -0800 | [diff] [blame] | 2811 | sky2_pci_write32(hw, PCI_DEV_REG3, 0); |
Stephen Hemminger | 451af33 | 2007-06-04 17:23:24 -0700 | [diff] [blame] | 2812 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2813 | sky2_write8(hw, B0_CTST, CS_RST_CLR); |
Stephen Hemminger | 08c06d8 | 2006-01-30 11:37:54 -0800 | [diff] [blame] | 2814 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2815 | hw->chip_id = sky2_read8(hw, B2_CHIP_ID); |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 2816 | hw->chip_rev = (sky2_read8(hw, B2_MAC_CFG) & CFG_CHIP_R_MSK) >> 4; |
| 2817 | |
| 2818 | switch(hw->chip_id) { |
| 2819 | case CHIP_ID_YUKON_XL: |
Stephen Hemminger | 39dbd95 | 2008-02-04 19:45:13 -0800 | [diff] [blame] | 2820 | hw->flags = SKY2_HW_GIGABIT | SKY2_HW_NEWER_PHY; |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 2821 | break; |
| 2822 | |
| 2823 | case CHIP_ID_YUKON_EC_U: |
| 2824 | hw->flags = SKY2_HW_GIGABIT |
| 2825 | | SKY2_HW_NEWER_PHY |
| 2826 | | SKY2_HW_ADV_POWER_CTL; |
| 2827 | break; |
| 2828 | |
| 2829 | case CHIP_ID_YUKON_EX: |
| 2830 | hw->flags = SKY2_HW_GIGABIT |
| 2831 | | SKY2_HW_NEWER_PHY |
| 2832 | | SKY2_HW_NEW_LE |
| 2833 | | SKY2_HW_ADV_POWER_CTL; |
| 2834 | |
| 2835 | /* New transmit checksum */ |
| 2836 | if (hw->chip_rev != CHIP_REV_YU_EX_B0) |
| 2837 | hw->flags |= SKY2_HW_AUTO_TX_SUM; |
| 2838 | break; |
| 2839 | |
| 2840 | case CHIP_ID_YUKON_EC: |
| 2841 | /* This rev is really old, and requires untested workarounds */ |
| 2842 | if (hw->chip_rev == CHIP_REV_YU_EC_A1) { |
| 2843 | dev_err(&hw->pdev->dev, "unsupported revision Yukon-EC rev A1\n"); |
| 2844 | return -EOPNOTSUPP; |
| 2845 | } |
Stephen Hemminger | 39dbd95 | 2008-02-04 19:45:13 -0800 | [diff] [blame] | 2846 | hw->flags = SKY2_HW_GIGABIT; |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 2847 | break; |
| 2848 | |
| 2849 | case CHIP_ID_YUKON_FE: |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 2850 | break; |
| 2851 | |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 2852 | case CHIP_ID_YUKON_FE_P: |
| 2853 | hw->flags = SKY2_HW_NEWER_PHY |
| 2854 | | SKY2_HW_NEW_LE |
| 2855 | | SKY2_HW_AUTO_TX_SUM |
| 2856 | | SKY2_HW_ADV_POWER_CTL; |
| 2857 | break; |
Stephen Hemminger | ed4d416 | 2008-01-10 16:14:14 -0800 | [diff] [blame] | 2858 | |
| 2859 | case CHIP_ID_YUKON_SUPR: |
| 2860 | hw->flags = SKY2_HW_GIGABIT |
| 2861 | | SKY2_HW_NEWER_PHY |
| 2862 | | SKY2_HW_NEW_LE |
| 2863 | | SKY2_HW_AUTO_TX_SUM |
| 2864 | | SKY2_HW_ADV_POWER_CTL; |
| 2865 | break; |
| 2866 | |
Stephen Hemminger | 0ce8b98 | 2008-06-17 09:04:27 -0700 | [diff] [blame] | 2867 | case CHIP_ID_YUKON_UL_2: |
| 2868 | hw->flags = SKY2_HW_GIGABIT |
| 2869 | | SKY2_HW_ADV_POWER_CTL; |
| 2870 | break; |
| 2871 | |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 2872 | default: |
Stephen Hemminger | b02a925 | 2007-02-06 10:45:40 -0800 | [diff] [blame] | 2873 | dev_err(&hw->pdev->dev, "unsupported chip type 0x%x\n", |
| 2874 | hw->chip_id); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2875 | return -EOPNOTSUPP; |
| 2876 | } |
| 2877 | |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 2878 | hw->pmd_type = sky2_read8(hw, B2_PMD_TYP); |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 2879 | if (hw->pmd_type == 'L' || hw->pmd_type == 'S' || hw->pmd_type == 'P') |
| 2880 | hw->flags |= SKY2_HW_FIBRE_PHY; |
| 2881 | |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 2882 | hw->ports = 1; |
| 2883 | t8 = sky2_read8(hw, B2_Y2_HW_RES); |
| 2884 | if ((t8 & CFG_DUAL_MAC_MSK) == CFG_DUAL_MAC_MSK) { |
| 2885 | if (!(sky2_read8(hw, B2_Y2_CLK_GATE) & Y2_STATUS_LNK2_INAC)) |
| 2886 | ++hw->ports; |
| 2887 | } |
| 2888 | |
| 2889 | return 0; |
| 2890 | } |
| 2891 | |
| 2892 | static void sky2_reset(struct sky2_hw *hw) |
| 2893 | { |
Stephen Hemminger | 555382c | 2007-08-29 12:58:14 -0700 | [diff] [blame] | 2894 | struct pci_dev *pdev = hw->pdev; |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 2895 | u16 status; |
Stephen Hemminger | 555382c | 2007-08-29 12:58:14 -0700 | [diff] [blame] | 2896 | int i, cap; |
| 2897 | u32 hwe_mask = Y2_HWE_ALL_MASK; |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 2898 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2899 | /* disable ASF */ |
Stephen Hemminger | 4f44d8b | 2007-04-11 14:48:00 -0700 | [diff] [blame] | 2900 | if (hw->chip_id == CHIP_ID_YUKON_EX) { |
| 2901 | status = sky2_read16(hw, HCU_CCSR); |
| 2902 | status &= ~(HCU_CCSR_AHB_RST | HCU_CCSR_CPU_RST_MODE | |
| 2903 | HCU_CCSR_UC_STATE_MSK); |
| 2904 | sky2_write16(hw, HCU_CCSR, status); |
| 2905 | } else |
| 2906 | sky2_write8(hw, B28_Y2_ASF_STAT_CMD, Y2_ASF_RESET); |
| 2907 | sky2_write16(hw, B0_CTST, Y2_ASF_DISABLE); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2908 | |
| 2909 | /* do a SW reset */ |
| 2910 | sky2_write8(hw, B0_CTST, CS_RST_SET); |
| 2911 | sky2_write8(hw, B0_CTST, CS_RST_CLR); |
| 2912 | |
Stephen Hemminger | ac93a39 | 2007-11-05 15:52:08 -0800 | [diff] [blame] | 2913 | /* allow writes to PCI config */ |
| 2914 | sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON); |
| 2915 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2916 | /* clear PCI errors, if any */ |
Stephen Hemminger | b32f40c | 2007-11-27 10:57:27 -0800 | [diff] [blame] | 2917 | status = sky2_pci_read16(hw, PCI_STATUS); |
Stephen Hemminger | 167f53d | 2007-09-25 19:01:02 -0700 | [diff] [blame] | 2918 | status |= PCI_STATUS_ERROR_BITS; |
Stephen Hemminger | b32f40c | 2007-11-27 10:57:27 -0800 | [diff] [blame] | 2919 | sky2_pci_write16(hw, PCI_STATUS, status); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2920 | |
| 2921 | sky2_write8(hw, B0_CTST, CS_MRST_CLR); |
| 2922 | |
Stephen Hemminger | 555382c | 2007-08-29 12:58:14 -0700 | [diff] [blame] | 2923 | cap = pci_find_capability(pdev, PCI_CAP_ID_EXP); |
| 2924 | if (cap) { |
Stephen Hemminger | 7782c8c | 2007-11-27 11:02:32 -0800 | [diff] [blame] | 2925 | sky2_write32(hw, Y2_CFG_AER + PCI_ERR_UNCOR_STATUS, |
| 2926 | 0xfffffffful); |
Stephen Hemminger | 7bd656d | 2006-10-09 14:40:38 -0700 | [diff] [blame] | 2927 | |
Stephen Hemminger | 555382c | 2007-08-29 12:58:14 -0700 | [diff] [blame] | 2928 | /* If error bit is stuck on ignore it */ |
| 2929 | if (sky2_read32(hw, B0_HWE_ISRC) & Y2_IS_PCI_EXP) |
| 2930 | dev_info(&pdev->dev, "ignoring stuck error report bit\n"); |
Stephen Hemminger | 7782c8c | 2007-11-27 11:02:32 -0800 | [diff] [blame] | 2931 | else |
Stephen Hemminger | 555382c | 2007-08-29 12:58:14 -0700 | [diff] [blame] | 2932 | hwe_mask |= Y2_IS_PCI_EXP; |
| 2933 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2934 | |
Stephen Hemminger | ae306cc | 2006-12-20 13:06:36 -0800 | [diff] [blame] | 2935 | sky2_power_on(hw); |
Stephen Hemminger | 82637e8 | 2008-01-23 19:16:04 -0800 | [diff] [blame] | 2936 | sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2937 | |
| 2938 | for (i = 0; i < hw->ports; i++) { |
| 2939 | sky2_write8(hw, SK_REG(i, GMAC_LINK_CTRL), GMLC_RST_SET); |
| 2940 | sky2_write8(hw, SK_REG(i, GMAC_LINK_CTRL), GMLC_RST_CLR); |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 2941 | |
Stephen Hemminger | ed4d416 | 2008-01-10 16:14:14 -0800 | [diff] [blame] | 2942 | if (hw->chip_id == CHIP_ID_YUKON_EX || |
| 2943 | hw->chip_id == CHIP_ID_YUKON_SUPR) |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 2944 | sky2_write16(hw, SK_REG(i, GMAC_CTRL), |
| 2945 | GMC_BYP_MACSECRX_ON | GMC_BYP_MACSECTX_ON |
| 2946 | | GMC_BYP_RETR_ON); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2947 | } |
| 2948 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2949 | /* Clear I2C IRQ noise */ |
| 2950 | sky2_write32(hw, B2_I2C_IRQ, 1); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2951 | |
| 2952 | /* turn off hardware timer (unused) */ |
| 2953 | sky2_write8(hw, B2_TI_CTRL, TIM_STOP); |
| 2954 | sky2_write8(hw, B2_TI_CTRL, TIM_CLR_IRQ); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2955 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2956 | sky2_write8(hw, B0_Y2LED, LED_STAT_ON); |
| 2957 | |
Stephen Hemminger | 69634ee | 2005-12-09 11:35:06 -0800 | [diff] [blame] | 2958 | /* Turn off descriptor polling */ |
| 2959 | sky2_write32(hw, B28_DPT_CTRL, DPT_STOP); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2960 | |
| 2961 | /* Turn off receive timestamp */ |
| 2962 | sky2_write8(hw, GMAC_TI_ST_CTRL, GMT_ST_STOP); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2963 | sky2_write8(hw, GMAC_TI_ST_CTRL, GMT_ST_CLR_IRQ); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2964 | |
| 2965 | /* enable the Tx Arbiters */ |
| 2966 | for (i = 0; i < hw->ports; i++) |
| 2967 | sky2_write8(hw, SK_REG(i, TXA_CTRL), TXA_ENA_ARB); |
| 2968 | |
| 2969 | /* Initialize ram interface */ |
| 2970 | for (i = 0; i < hw->ports; i++) { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2971 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_CTRL), RI_RST_CLR); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2972 | |
| 2973 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_WTO_R1), SK_RI_TO_53); |
| 2974 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_WTO_XA1), SK_RI_TO_53); |
| 2975 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_WTO_XS1), SK_RI_TO_53); |
| 2976 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_RTO_R1), SK_RI_TO_53); |
| 2977 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_RTO_XA1), SK_RI_TO_53); |
| 2978 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_RTO_XS1), SK_RI_TO_53); |
| 2979 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_WTO_R2), SK_RI_TO_53); |
| 2980 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_WTO_XA2), SK_RI_TO_53); |
| 2981 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_WTO_XS2), SK_RI_TO_53); |
| 2982 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_RTO_R2), SK_RI_TO_53); |
| 2983 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_RTO_XA2), SK_RI_TO_53); |
| 2984 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_RTO_XS2), SK_RI_TO_53); |
| 2985 | } |
| 2986 | |
Stephen Hemminger | 555382c | 2007-08-29 12:58:14 -0700 | [diff] [blame] | 2987 | sky2_write32(hw, B0_HWE_IMSK, hwe_mask); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2988 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2989 | for (i = 0; i < hw->ports; i++) |
shemminger@osdl.org | d3bcfbe | 2006-08-28 10:00:51 -0700 | [diff] [blame] | 2990 | sky2_gmac_reset(hw, i); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2991 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2992 | memset(hw->st_le, 0, STATUS_LE_BYTES); |
| 2993 | hw->st_idx = 0; |
| 2994 | |
| 2995 | sky2_write32(hw, STAT_CTRL, SC_STAT_RST_SET); |
| 2996 | sky2_write32(hw, STAT_CTRL, SC_STAT_RST_CLR); |
| 2997 | |
| 2998 | sky2_write32(hw, STAT_LIST_ADDR_LO, hw->st_dma); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2999 | sky2_write32(hw, STAT_LIST_ADDR_HI, (u64) hw->st_dma >> 32); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3000 | |
| 3001 | /* Set the list last index */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3002 | sky2_write16(hw, STAT_LAST_IDX, STATUS_RING_SIZE - 1); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3003 | |
Stephen Hemminger | 290d4de | 2006-03-20 15:48:15 -0800 | [diff] [blame] | 3004 | sky2_write16(hw, STAT_TX_IDX_TH, 10); |
| 3005 | sky2_write8(hw, STAT_FIFO_WM, 16); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3006 | |
Stephen Hemminger | 290d4de | 2006-03-20 15:48:15 -0800 | [diff] [blame] | 3007 | /* set Status-FIFO ISR watermark */ |
| 3008 | if (hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev == 0) |
| 3009 | sky2_write8(hw, STAT_FIFO_ISR_WM, 4); |
| 3010 | else |
| 3011 | sky2_write8(hw, STAT_FIFO_ISR_WM, 16); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3012 | |
Stephen Hemminger | 290d4de | 2006-03-20 15:48:15 -0800 | [diff] [blame] | 3013 | sky2_write32(hw, STAT_TX_TIMER_INI, sky2_us2clk(hw, 1000)); |
Stephen Hemminger | 77b3d6a | 2006-03-20 15:48:18 -0800 | [diff] [blame] | 3014 | sky2_write32(hw, STAT_ISR_TIMER_INI, sky2_us2clk(hw, 20)); |
| 3015 | sky2_write32(hw, STAT_LEV_TIMER_INI, sky2_us2clk(hw, 100)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3016 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3017 | /* enable status unit */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3018 | sky2_write32(hw, STAT_CTRL, SC_STAT_OP_ON); |
| 3019 | |
| 3020 | sky2_write8(hw, STAT_TX_TIMER_CTRL, TIM_START); |
| 3021 | sky2_write8(hw, STAT_LEV_TIMER_CTRL, TIM_START); |
| 3022 | sky2_write8(hw, STAT_ISR_TIMER_CTRL, TIM_START); |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 3023 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3024 | |
Stephen Hemminger | 8190679 | 2007-02-15 16:40:33 -0800 | [diff] [blame] | 3025 | static void sky2_restart(struct work_struct *work) |
| 3026 | { |
| 3027 | struct sky2_hw *hw = container_of(work, struct sky2_hw, restart_work); |
| 3028 | struct net_device *dev; |
| 3029 | int i, err; |
| 3030 | |
Stephen Hemminger | 8190679 | 2007-02-15 16:40:33 -0800 | [diff] [blame] | 3031 | rtnl_lock(); |
Stephen Hemminger | 8190679 | 2007-02-15 16:40:33 -0800 | [diff] [blame] | 3032 | for (i = 0; i < hw->ports; i++) { |
| 3033 | dev = hw->dev[i]; |
| 3034 | if (netif_running(dev)) |
| 3035 | sky2_down(dev); |
| 3036 | } |
| 3037 | |
Stephen Hemminger | 8cfcbe9 | 2007-12-03 17:02:17 -0800 | [diff] [blame] | 3038 | napi_disable(&hw->napi); |
| 3039 | sky2_write32(hw, B0_IMSK, 0); |
Stephen Hemminger | 8190679 | 2007-02-15 16:40:33 -0800 | [diff] [blame] | 3040 | sky2_reset(hw); |
| 3041 | sky2_write32(hw, B0_IMSK, Y2_IS_BASE); |
Stephen Hemminger | 6de1623 | 2007-10-17 13:26:42 -0700 | [diff] [blame] | 3042 | napi_enable(&hw->napi); |
Stephen Hemminger | 8190679 | 2007-02-15 16:40:33 -0800 | [diff] [blame] | 3043 | |
| 3044 | for (i = 0; i < hw->ports; i++) { |
| 3045 | dev = hw->dev[i]; |
| 3046 | if (netif_running(dev)) { |
| 3047 | err = sky2_up(dev); |
| 3048 | if (err) { |
| 3049 | printk(KERN_INFO PFX "%s: could not restart %d\n", |
| 3050 | dev->name, err); |
| 3051 | dev_close(dev); |
| 3052 | } |
| 3053 | } |
| 3054 | } |
| 3055 | |
Stephen Hemminger | 8190679 | 2007-02-15 16:40:33 -0800 | [diff] [blame] | 3056 | rtnl_unlock(); |
| 3057 | } |
| 3058 | |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 3059 | static inline u8 sky2_wol_supported(const struct sky2_hw *hw) |
| 3060 | { |
| 3061 | return sky2_is_copper(hw) ? (WAKE_PHY | WAKE_MAGIC) : 0; |
| 3062 | } |
| 3063 | |
| 3064 | static void sky2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) |
| 3065 | { |
| 3066 | const struct sky2_port *sky2 = netdev_priv(dev); |
| 3067 | |
| 3068 | wol->supported = sky2_wol_supported(sky2->hw); |
| 3069 | wol->wolopts = sky2->wol; |
| 3070 | } |
| 3071 | |
| 3072 | static int sky2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) |
| 3073 | { |
| 3074 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3075 | struct sky2_hw *hw = sky2->hw; |
| 3076 | |
Rafael J. Wysocki | 9d731d7 | 2008-10-12 20:59:48 -0700 | [diff] [blame] | 3077 | if ((wol->wolopts & ~sky2_wol_supported(sky2->hw)) |
| 3078 | || !device_can_wakeup(&hw->pdev->dev)) |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 3079 | return -EOPNOTSUPP; |
| 3080 | |
| 3081 | sky2->wol = wol->wolopts; |
| 3082 | |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 3083 | if (hw->chip_id == CHIP_ID_YUKON_EC_U || |
| 3084 | hw->chip_id == CHIP_ID_YUKON_EX || |
| 3085 | hw->chip_id == CHIP_ID_YUKON_FE_P) |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 3086 | sky2_write32(hw, B0_CTST, sky2->wol |
| 3087 | ? Y2_HW_WOL_ON : Y2_HW_WOL_OFF); |
| 3088 | |
Rafael J. Wysocki | 9d731d7 | 2008-10-12 20:59:48 -0700 | [diff] [blame] | 3089 | device_set_wakeup_enable(&hw->pdev->dev, sky2->wol); |
| 3090 | |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 3091 | if (!netif_running(dev)) |
| 3092 | sky2_wol_init(sky2); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3093 | return 0; |
| 3094 | } |
| 3095 | |
Stephen Hemminger | 28bd181 | 2006-01-17 13:43:19 -0800 | [diff] [blame] | 3096 | static u32 sky2_supported_modes(const struct sky2_hw *hw) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3097 | { |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 3098 | if (sky2_is_copper(hw)) { |
| 3099 | u32 modes = SUPPORTED_10baseT_Half |
| 3100 | | SUPPORTED_10baseT_Full |
| 3101 | | SUPPORTED_100baseT_Half |
| 3102 | | SUPPORTED_100baseT_Full |
| 3103 | | SUPPORTED_Autoneg | SUPPORTED_TP; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3104 | |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 3105 | if (hw->flags & SKY2_HW_GIGABIT) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3106 | modes |= SUPPORTED_1000baseT_Half |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 3107 | | SUPPORTED_1000baseT_Full; |
| 3108 | return modes; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3109 | } else |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 3110 | return SUPPORTED_1000baseT_Half |
| 3111 | | SUPPORTED_1000baseT_Full |
| 3112 | | SUPPORTED_Autoneg |
| 3113 | | SUPPORTED_FIBRE; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3114 | } |
| 3115 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3116 | 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] | 3117 | { |
| 3118 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3119 | struct sky2_hw *hw = sky2->hw; |
| 3120 | |
| 3121 | ecmd->transceiver = XCVR_INTERNAL; |
| 3122 | ecmd->supported = sky2_supported_modes(hw); |
| 3123 | ecmd->phy_address = PHY_ADDR_MARV; |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 3124 | if (sky2_is_copper(hw)) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3125 | ecmd->port = PORT_TP; |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 3126 | ecmd->speed = sky2->speed; |
| 3127 | } else { |
| 3128 | ecmd->speed = SPEED_1000; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3129 | ecmd->port = PORT_FIBRE; |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 3130 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3131 | |
| 3132 | ecmd->advertising = sky2->advertising; |
| 3133 | ecmd->autoneg = sky2->autoneg; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3134 | ecmd->duplex = sky2->duplex; |
| 3135 | return 0; |
| 3136 | } |
| 3137 | |
| 3138 | static int sky2_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd) |
| 3139 | { |
| 3140 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3141 | const struct sky2_hw *hw = sky2->hw; |
| 3142 | u32 supported = sky2_supported_modes(hw); |
| 3143 | |
| 3144 | if (ecmd->autoneg == AUTONEG_ENABLE) { |
| 3145 | ecmd->advertising = supported; |
| 3146 | sky2->duplex = -1; |
| 3147 | sky2->speed = -1; |
| 3148 | } else { |
| 3149 | u32 setting; |
| 3150 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3151 | switch (ecmd->speed) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3152 | case SPEED_1000: |
| 3153 | if (ecmd->duplex == DUPLEX_FULL) |
| 3154 | setting = SUPPORTED_1000baseT_Full; |
| 3155 | else if (ecmd->duplex == DUPLEX_HALF) |
| 3156 | setting = SUPPORTED_1000baseT_Half; |
| 3157 | else |
| 3158 | return -EINVAL; |
| 3159 | break; |
| 3160 | case SPEED_100: |
| 3161 | if (ecmd->duplex == DUPLEX_FULL) |
| 3162 | setting = SUPPORTED_100baseT_Full; |
| 3163 | else if (ecmd->duplex == DUPLEX_HALF) |
| 3164 | setting = SUPPORTED_100baseT_Half; |
| 3165 | else |
| 3166 | return -EINVAL; |
| 3167 | break; |
| 3168 | |
| 3169 | case SPEED_10: |
| 3170 | if (ecmd->duplex == DUPLEX_FULL) |
| 3171 | setting = SUPPORTED_10baseT_Full; |
| 3172 | else if (ecmd->duplex == DUPLEX_HALF) |
| 3173 | setting = SUPPORTED_10baseT_Half; |
| 3174 | else |
| 3175 | return -EINVAL; |
| 3176 | break; |
| 3177 | default: |
| 3178 | return -EINVAL; |
| 3179 | } |
| 3180 | |
| 3181 | if ((setting & supported) == 0) |
| 3182 | return -EINVAL; |
| 3183 | |
| 3184 | sky2->speed = ecmd->speed; |
| 3185 | sky2->duplex = ecmd->duplex; |
| 3186 | } |
| 3187 | |
| 3188 | sky2->autoneg = ecmd->autoneg; |
| 3189 | sky2->advertising = ecmd->advertising; |
| 3190 | |
Stephen Hemminger | d1b139c | 2007-09-05 16:56:19 +0100 | [diff] [blame] | 3191 | if (netif_running(dev)) { |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 3192 | sky2_phy_reinit(sky2); |
Stephen Hemminger | d1b139c | 2007-09-05 16:56:19 +0100 | [diff] [blame] | 3193 | sky2_set_multicast(dev); |
| 3194 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3195 | |
| 3196 | return 0; |
| 3197 | } |
| 3198 | |
| 3199 | static void sky2_get_drvinfo(struct net_device *dev, |
| 3200 | struct ethtool_drvinfo *info) |
| 3201 | { |
| 3202 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3203 | |
| 3204 | strcpy(info->driver, DRV_NAME); |
| 3205 | strcpy(info->version, DRV_VERSION); |
| 3206 | strcpy(info->fw_version, "N/A"); |
| 3207 | strcpy(info->bus_info, pci_name(sky2->hw->pdev)); |
| 3208 | } |
| 3209 | |
| 3210 | static const struct sky2_stat { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3211 | char name[ETH_GSTRING_LEN]; |
| 3212 | u16 offset; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3213 | } sky2_stats[] = { |
| 3214 | { "tx_bytes", GM_TXO_OK_HI }, |
| 3215 | { "rx_bytes", GM_RXO_OK_HI }, |
| 3216 | { "tx_broadcast", GM_TXF_BC_OK }, |
| 3217 | { "rx_broadcast", GM_RXF_BC_OK }, |
| 3218 | { "tx_multicast", GM_TXF_MC_OK }, |
| 3219 | { "rx_multicast", GM_RXF_MC_OK }, |
| 3220 | { "tx_unicast", GM_TXF_UC_OK }, |
| 3221 | { "rx_unicast", GM_RXF_UC_OK }, |
| 3222 | { "tx_mac_pause", GM_TXF_MPAUSE }, |
| 3223 | { "rx_mac_pause", GM_RXF_MPAUSE }, |
Stephen Hemminger | eadfa7d | 2006-03-22 10:38:45 -0800 | [diff] [blame] | 3224 | { "collisions", GM_TXF_COL }, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3225 | { "late_collision",GM_TXF_LAT_COL }, |
| 3226 | { "aborted", GM_TXF_ABO_COL }, |
Stephen Hemminger | eadfa7d | 2006-03-22 10:38:45 -0800 | [diff] [blame] | 3227 | { "single_collisions", GM_TXF_SNG_COL }, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3228 | { "multi_collisions", GM_TXF_MUL_COL }, |
Stephen Hemminger | eadfa7d | 2006-03-22 10:38:45 -0800 | [diff] [blame] | 3229 | |
Stephen Hemminger | d260454 | 2006-03-23 08:51:36 -0800 | [diff] [blame] | 3230 | { "rx_short", GM_RXF_SHT }, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3231 | { "rx_runt", GM_RXE_FRAG }, |
Stephen Hemminger | eadfa7d | 2006-03-22 10:38:45 -0800 | [diff] [blame] | 3232 | { "rx_64_byte_packets", GM_RXF_64B }, |
| 3233 | { "rx_65_to_127_byte_packets", GM_RXF_127B }, |
| 3234 | { "rx_128_to_255_byte_packets", GM_RXF_255B }, |
| 3235 | { "rx_256_to_511_byte_packets", GM_RXF_511B }, |
| 3236 | { "rx_512_to_1023_byte_packets", GM_RXF_1023B }, |
| 3237 | { "rx_1024_to_1518_byte_packets", GM_RXF_1518B }, |
| 3238 | { "rx_1518_to_max_byte_packets", GM_RXF_MAX_SZ }, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3239 | { "rx_too_long", GM_RXF_LNG_ERR }, |
Stephen Hemminger | eadfa7d | 2006-03-22 10:38:45 -0800 | [diff] [blame] | 3240 | { "rx_fifo_overflow", GM_RXE_FIFO_OV }, |
| 3241 | { "rx_jabber", GM_RXF_JAB_PKT }, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3242 | { "rx_fcs_error", GM_RXF_FCS_ERR }, |
Stephen Hemminger | eadfa7d | 2006-03-22 10:38:45 -0800 | [diff] [blame] | 3243 | |
| 3244 | { "tx_64_byte_packets", GM_TXF_64B }, |
| 3245 | { "tx_65_to_127_byte_packets", GM_TXF_127B }, |
| 3246 | { "tx_128_to_255_byte_packets", GM_TXF_255B }, |
| 3247 | { "tx_256_to_511_byte_packets", GM_TXF_511B }, |
| 3248 | { "tx_512_to_1023_byte_packets", GM_TXF_1023B }, |
| 3249 | { "tx_1024_to_1518_byte_packets", GM_TXF_1518B }, |
| 3250 | { "tx_1519_to_max_byte_packets", GM_TXF_MAX_SZ }, |
| 3251 | { "tx_fifo_underrun", GM_TXE_FIFO_UR }, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3252 | }; |
| 3253 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3254 | static u32 sky2_get_rx_csum(struct net_device *dev) |
| 3255 | { |
| 3256 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3257 | |
| 3258 | return sky2->rx_csum; |
| 3259 | } |
| 3260 | |
| 3261 | static int sky2_set_rx_csum(struct net_device *dev, u32 data) |
| 3262 | { |
| 3263 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3264 | |
| 3265 | sky2->rx_csum = data; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3266 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3267 | sky2_write32(sky2->hw, Q_ADDR(rxqaddr[sky2->port], Q_CSR), |
| 3268 | data ? BMU_ENA_RX_CHKSUM : BMU_DIS_RX_CHKSUM); |
| 3269 | |
| 3270 | return 0; |
| 3271 | } |
| 3272 | |
| 3273 | static u32 sky2_get_msglevel(struct net_device *netdev) |
| 3274 | { |
| 3275 | struct sky2_port *sky2 = netdev_priv(netdev); |
| 3276 | return sky2->msg_enable; |
| 3277 | } |
| 3278 | |
Stephen Hemminger | 9a7ae0a | 2005-09-27 15:28:42 -0700 | [diff] [blame] | 3279 | static int sky2_nway_reset(struct net_device *dev) |
| 3280 | { |
| 3281 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | 9a7ae0a | 2005-09-27 15:28:42 -0700 | [diff] [blame] | 3282 | |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 3283 | if (!netif_running(dev) || sky2->autoneg != AUTONEG_ENABLE) |
Stephen Hemminger | 9a7ae0a | 2005-09-27 15:28:42 -0700 | [diff] [blame] | 3284 | return -EINVAL; |
| 3285 | |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 3286 | sky2_phy_reinit(sky2); |
Stephen Hemminger | d1b139c | 2007-09-05 16:56:19 +0100 | [diff] [blame] | 3287 | sky2_set_multicast(dev); |
Stephen Hemminger | 9a7ae0a | 2005-09-27 15:28:42 -0700 | [diff] [blame] | 3288 | |
| 3289 | return 0; |
| 3290 | } |
| 3291 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3292 | 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] | 3293 | { |
| 3294 | struct sky2_hw *hw = sky2->hw; |
| 3295 | unsigned port = sky2->port; |
| 3296 | int i; |
| 3297 | |
| 3298 | data[0] = (u64) gma_read32(hw, port, GM_TXO_OK_HI) << 32 |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3299 | | (u64) gma_read32(hw, port, GM_TXO_OK_LO); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3300 | data[1] = (u64) gma_read32(hw, port, GM_RXO_OK_HI) << 32 |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3301 | | (u64) gma_read32(hw, port, GM_RXO_OK_LO); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3302 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3303 | for (i = 2; i < count; i++) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3304 | data[i] = (u64) gma_read32(hw, port, sky2_stats[i].offset); |
| 3305 | } |
| 3306 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3307 | static void sky2_set_msglevel(struct net_device *netdev, u32 value) |
| 3308 | { |
| 3309 | struct sky2_port *sky2 = netdev_priv(netdev); |
| 3310 | sky2->msg_enable = value; |
| 3311 | } |
| 3312 | |
Jeff Garzik | b9f2c04 | 2007-10-03 18:07:32 -0700 | [diff] [blame] | 3313 | static int sky2_get_sset_count(struct net_device *dev, int sset) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3314 | { |
Jeff Garzik | b9f2c04 | 2007-10-03 18:07:32 -0700 | [diff] [blame] | 3315 | switch (sset) { |
| 3316 | case ETH_SS_STATS: |
| 3317 | return ARRAY_SIZE(sky2_stats); |
| 3318 | default: |
| 3319 | return -EOPNOTSUPP; |
| 3320 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3321 | } |
| 3322 | |
| 3323 | static void sky2_get_ethtool_stats(struct net_device *dev, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3324 | struct ethtool_stats *stats, u64 * data) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3325 | { |
| 3326 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3327 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3328 | sky2_phy_stats(sky2, data, ARRAY_SIZE(sky2_stats)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3329 | } |
| 3330 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3331 | 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] | 3332 | { |
| 3333 | int i; |
| 3334 | |
| 3335 | switch (stringset) { |
| 3336 | case ETH_SS_STATS: |
| 3337 | for (i = 0; i < ARRAY_SIZE(sky2_stats); i++) |
| 3338 | memcpy(data + i * ETH_GSTRING_LEN, |
| 3339 | sky2_stats[i].name, ETH_GSTRING_LEN); |
| 3340 | break; |
| 3341 | } |
| 3342 | } |
| 3343 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3344 | static int sky2_set_mac_address(struct net_device *dev, void *p) |
| 3345 | { |
| 3346 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | a8ab1ec | 2006-01-30 11:37:57 -0800 | [diff] [blame] | 3347 | struct sky2_hw *hw = sky2->hw; |
| 3348 | unsigned port = sky2->port; |
| 3349 | const struct sockaddr *addr = p; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3350 | |
| 3351 | if (!is_valid_ether_addr(addr->sa_data)) |
| 3352 | return -EADDRNOTAVAIL; |
| 3353 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3354 | memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN); |
Stephen Hemminger | a8ab1ec | 2006-01-30 11:37:57 -0800 | [diff] [blame] | 3355 | memcpy_toio(hw->regs + B2_MAC_1 + port * 8, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3356 | dev->dev_addr, ETH_ALEN); |
Stephen Hemminger | a8ab1ec | 2006-01-30 11:37:57 -0800 | [diff] [blame] | 3357 | memcpy_toio(hw->regs + B2_MAC_2 + port * 8, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3358 | dev->dev_addr, ETH_ALEN); |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 3359 | |
Stephen Hemminger | a8ab1ec | 2006-01-30 11:37:57 -0800 | [diff] [blame] | 3360 | /* virtual address for data */ |
| 3361 | gma_set_addr(hw, port, GM_SRC_ADDR_2L, dev->dev_addr); |
| 3362 | |
| 3363 | /* physical address: used for pause frames */ |
| 3364 | gma_set_addr(hw, port, GM_SRC_ADDR_1L, dev->dev_addr); |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 3365 | |
| 3366 | return 0; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3367 | } |
| 3368 | |
Stephen Hemminger | a052b52 | 2006-10-17 10:24:23 -0700 | [diff] [blame] | 3369 | static void inline sky2_add_filter(u8 filter[8], const u8 *addr) |
| 3370 | { |
| 3371 | u32 bit; |
| 3372 | |
| 3373 | bit = ether_crc(ETH_ALEN, addr) & 63; |
| 3374 | filter[bit >> 3] |= 1 << (bit & 7); |
| 3375 | } |
| 3376 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3377 | static void sky2_set_multicast(struct net_device *dev) |
| 3378 | { |
| 3379 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3380 | struct sky2_hw *hw = sky2->hw; |
| 3381 | unsigned port = sky2->port; |
| 3382 | struct dev_mc_list *list = dev->mc_list; |
| 3383 | u16 reg; |
| 3384 | u8 filter[8]; |
Stephen Hemminger | a052b52 | 2006-10-17 10:24:23 -0700 | [diff] [blame] | 3385 | int rx_pause; |
| 3386 | 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] | 3387 | |
Stephen Hemminger | a052b52 | 2006-10-17 10:24:23 -0700 | [diff] [blame] | 3388 | rx_pause = (sky2->flow_status == FC_RX || sky2->flow_status == FC_BOTH); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3389 | memset(filter, 0, sizeof(filter)); |
| 3390 | |
| 3391 | reg = gma_read16(hw, port, GM_RX_CTRL); |
| 3392 | reg |= GM_RXCR_UCF_ENA; |
| 3393 | |
shemminger@osdl.org | d571b69 | 2005-10-26 12:16:09 -0700 | [diff] [blame] | 3394 | if (dev->flags & IFF_PROMISC) /* promiscuous */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3395 | reg &= ~(GM_RXCR_UCF_ENA | GM_RXCR_MCF_ENA); |
Stephen Hemminger | a052b52 | 2006-10-17 10:24:23 -0700 | [diff] [blame] | 3396 | else if (dev->flags & IFF_ALLMULTI) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3397 | memset(filter, 0xff, sizeof(filter)); |
Stephen Hemminger | a052b52 | 2006-10-17 10:24:23 -0700 | [diff] [blame] | 3398 | else if (dev->mc_count == 0 && !rx_pause) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3399 | reg &= ~GM_RXCR_MCF_ENA; |
| 3400 | else { |
| 3401 | int i; |
| 3402 | reg |= GM_RXCR_MCF_ENA; |
| 3403 | |
Stephen Hemminger | a052b52 | 2006-10-17 10:24:23 -0700 | [diff] [blame] | 3404 | if (rx_pause) |
| 3405 | sky2_add_filter(filter, pause_mc_addr); |
| 3406 | |
| 3407 | for (i = 0; list && i < dev->mc_count; i++, list = list->next) |
| 3408 | sky2_add_filter(filter, list->dmi_addr); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3409 | } |
| 3410 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3411 | gma_write16(hw, port, GM_MC_ADDR_H1, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3412 | (u16) filter[0] | ((u16) filter[1] << 8)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3413 | gma_write16(hw, port, GM_MC_ADDR_H2, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3414 | (u16) filter[2] | ((u16) filter[3] << 8)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3415 | gma_write16(hw, port, GM_MC_ADDR_H3, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3416 | (u16) filter[4] | ((u16) filter[5] << 8)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3417 | gma_write16(hw, port, GM_MC_ADDR_H4, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3418 | (u16) filter[6] | ((u16) filter[7] << 8)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3419 | |
| 3420 | gma_write16(hw, port, GM_RX_CTRL, reg); |
| 3421 | } |
| 3422 | |
| 3423 | /* Can have one global because blinking is controlled by |
| 3424 | * ethtool and that is always under RTNL mutex |
| 3425 | */ |
Stephen Hemminger | a84d0a3 | 2008-02-22 16:00:33 -0800 | [diff] [blame] | 3426 | static void sky2_led(struct sky2_port *sky2, enum led_mode mode) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3427 | { |
Stephen Hemminger | a84d0a3 | 2008-02-22 16:00:33 -0800 | [diff] [blame] | 3428 | struct sky2_hw *hw = sky2->hw; |
| 3429 | unsigned port = sky2->port; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3430 | |
Stephen Hemminger | a84d0a3 | 2008-02-22 16:00:33 -0800 | [diff] [blame] | 3431 | spin_lock_bh(&sky2->phy_lock); |
| 3432 | if (hw->chip_id == CHIP_ID_YUKON_EC_U || |
| 3433 | hw->chip_id == CHIP_ID_YUKON_EX || |
| 3434 | hw->chip_id == CHIP_ID_YUKON_SUPR) { |
| 3435 | u16 pg; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3436 | pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); |
| 3437 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 3); |
Stephen Hemminger | a84d0a3 | 2008-02-22 16:00:33 -0800 | [diff] [blame] | 3438 | |
| 3439 | switch (mode) { |
| 3440 | case MO_LED_OFF: |
| 3441 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, |
| 3442 | PHY_M_LEDC_LOS_CTRL(8) | |
| 3443 | PHY_M_LEDC_INIT_CTRL(8) | |
| 3444 | PHY_M_LEDC_STA1_CTRL(8) | |
| 3445 | PHY_M_LEDC_STA0_CTRL(8)); |
| 3446 | break; |
| 3447 | case MO_LED_ON: |
| 3448 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, |
| 3449 | PHY_M_LEDC_LOS_CTRL(9) | |
| 3450 | PHY_M_LEDC_INIT_CTRL(9) | |
| 3451 | PHY_M_LEDC_STA1_CTRL(9) | |
| 3452 | PHY_M_LEDC_STA0_CTRL(9)); |
| 3453 | break; |
| 3454 | case MO_LED_BLINK: |
| 3455 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, |
| 3456 | PHY_M_LEDC_LOS_CTRL(0xa) | |
| 3457 | PHY_M_LEDC_INIT_CTRL(0xa) | |
| 3458 | PHY_M_LEDC_STA1_CTRL(0xa) | |
| 3459 | PHY_M_LEDC_STA0_CTRL(0xa)); |
| 3460 | break; |
| 3461 | case MO_LED_NORM: |
| 3462 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, |
| 3463 | PHY_M_LEDC_LOS_CTRL(1) | |
| 3464 | PHY_M_LEDC_INIT_CTRL(8) | |
| 3465 | PHY_M_LEDC_STA1_CTRL(7) | |
| 3466 | PHY_M_LEDC_STA0_CTRL(7)); |
| 3467 | } |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3468 | |
| 3469 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg); |
Stephen Hemminger | a84d0a3 | 2008-02-22 16:00:33 -0800 | [diff] [blame] | 3470 | } else |
Jeff Garzik | 7d2e3cb | 2008-05-13 01:41:58 -0400 | [diff] [blame] | 3471 | gm_phy_write(hw, port, PHY_MARV_LED_OVER, |
Stephen Hemminger | a84d0a3 | 2008-02-22 16:00:33 -0800 | [diff] [blame] | 3472 | PHY_M_LED_MO_DUP(mode) | |
| 3473 | PHY_M_LED_MO_10(mode) | |
| 3474 | PHY_M_LED_MO_100(mode) | |
| 3475 | PHY_M_LED_MO_1000(mode) | |
| 3476 | PHY_M_LED_MO_RX(mode) | |
| 3477 | PHY_M_LED_MO_TX(mode)); |
| 3478 | |
| 3479 | spin_unlock_bh(&sky2->phy_lock); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3480 | } |
| 3481 | |
| 3482 | /* blink LED's for finding board */ |
| 3483 | static int sky2_phys_id(struct net_device *dev, u32 data) |
| 3484 | { |
| 3485 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | a84d0a3 | 2008-02-22 16:00:33 -0800 | [diff] [blame] | 3486 | unsigned int i; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3487 | |
Stephen Hemminger | a84d0a3 | 2008-02-22 16:00:33 -0800 | [diff] [blame] | 3488 | if (data == 0) |
| 3489 | data = UINT_MAX; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3490 | |
Stephen Hemminger | a84d0a3 | 2008-02-22 16:00:33 -0800 | [diff] [blame] | 3491 | for (i = 0; i < data; i++) { |
| 3492 | sky2_led(sky2, MO_LED_ON); |
| 3493 | if (msleep_interruptible(500)) |
| 3494 | break; |
| 3495 | sky2_led(sky2, MO_LED_OFF); |
| 3496 | if (msleep_interruptible(500)) |
| 3497 | break; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3498 | } |
Stephen Hemminger | a84d0a3 | 2008-02-22 16:00:33 -0800 | [diff] [blame] | 3499 | sky2_led(sky2, MO_LED_NORM); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3500 | |
| 3501 | return 0; |
| 3502 | } |
| 3503 | |
| 3504 | static void sky2_get_pauseparam(struct net_device *dev, |
| 3505 | struct ethtool_pauseparam *ecmd) |
| 3506 | { |
| 3507 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3508 | |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 3509 | switch (sky2->flow_mode) { |
| 3510 | case FC_NONE: |
| 3511 | ecmd->tx_pause = ecmd->rx_pause = 0; |
| 3512 | break; |
| 3513 | case FC_TX: |
| 3514 | ecmd->tx_pause = 1, ecmd->rx_pause = 0; |
| 3515 | break; |
| 3516 | case FC_RX: |
| 3517 | ecmd->tx_pause = 0, ecmd->rx_pause = 1; |
| 3518 | break; |
| 3519 | case FC_BOTH: |
| 3520 | ecmd->tx_pause = ecmd->rx_pause = 1; |
| 3521 | } |
| 3522 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3523 | ecmd->autoneg = sky2->autoneg; |
| 3524 | } |
| 3525 | |
| 3526 | static int sky2_set_pauseparam(struct net_device *dev, |
| 3527 | struct ethtool_pauseparam *ecmd) |
| 3528 | { |
| 3529 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3530 | |
| 3531 | sky2->autoneg = ecmd->autoneg; |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 3532 | sky2->flow_mode = sky2_flow(ecmd->rx_pause, ecmd->tx_pause); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3533 | |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 3534 | if (netif_running(dev)) |
| 3535 | sky2_phy_reinit(sky2); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3536 | |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 3537 | return 0; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3538 | } |
| 3539 | |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 3540 | static int sky2_get_coalesce(struct net_device *dev, |
| 3541 | struct ethtool_coalesce *ecmd) |
| 3542 | { |
| 3543 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3544 | struct sky2_hw *hw = sky2->hw; |
| 3545 | |
| 3546 | if (sky2_read8(hw, STAT_TX_TIMER_CTRL) == TIM_STOP) |
| 3547 | ecmd->tx_coalesce_usecs = 0; |
| 3548 | else { |
| 3549 | u32 clks = sky2_read32(hw, STAT_TX_TIMER_INI); |
| 3550 | ecmd->tx_coalesce_usecs = sky2_clk2us(hw, clks); |
| 3551 | } |
| 3552 | ecmd->tx_max_coalesced_frames = sky2_read16(hw, STAT_TX_IDX_TH); |
| 3553 | |
| 3554 | if (sky2_read8(hw, STAT_LEV_TIMER_CTRL) == TIM_STOP) |
| 3555 | ecmd->rx_coalesce_usecs = 0; |
| 3556 | else { |
| 3557 | u32 clks = sky2_read32(hw, STAT_LEV_TIMER_INI); |
| 3558 | ecmd->rx_coalesce_usecs = sky2_clk2us(hw, clks); |
| 3559 | } |
| 3560 | ecmd->rx_max_coalesced_frames = sky2_read8(hw, STAT_FIFO_WM); |
| 3561 | |
| 3562 | if (sky2_read8(hw, STAT_ISR_TIMER_CTRL) == TIM_STOP) |
| 3563 | ecmd->rx_coalesce_usecs_irq = 0; |
| 3564 | else { |
| 3565 | u32 clks = sky2_read32(hw, STAT_ISR_TIMER_INI); |
| 3566 | ecmd->rx_coalesce_usecs_irq = sky2_clk2us(hw, clks); |
| 3567 | } |
| 3568 | |
| 3569 | ecmd->rx_max_coalesced_frames_irq = sky2_read8(hw, STAT_FIFO_ISR_WM); |
| 3570 | |
| 3571 | return 0; |
| 3572 | } |
| 3573 | |
| 3574 | /* Note: this affect both ports */ |
| 3575 | static int sky2_set_coalesce(struct net_device *dev, |
| 3576 | struct ethtool_coalesce *ecmd) |
| 3577 | { |
| 3578 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3579 | struct sky2_hw *hw = sky2->hw; |
Stephen Hemminger | 77b3d6a | 2006-03-20 15:48:18 -0800 | [diff] [blame] | 3580 | const u32 tmax = sky2_clk2us(hw, 0x0ffffff); |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 3581 | |
Stephen Hemminger | 77b3d6a | 2006-03-20 15:48:18 -0800 | [diff] [blame] | 3582 | if (ecmd->tx_coalesce_usecs > tmax || |
| 3583 | ecmd->rx_coalesce_usecs > tmax || |
| 3584 | ecmd->rx_coalesce_usecs_irq > tmax) |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 3585 | return -EINVAL; |
| 3586 | |
Stephen Hemminger | ff81fbb | 2006-02-22 11:44:59 -0800 | [diff] [blame] | 3587 | if (ecmd->tx_max_coalesced_frames >= TX_RING_SIZE-1) |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 3588 | return -EINVAL; |
Stephen Hemminger | ff81fbb | 2006-02-22 11:44:59 -0800 | [diff] [blame] | 3589 | if (ecmd->rx_max_coalesced_frames > RX_MAX_PENDING) |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 3590 | return -EINVAL; |
Stephen Hemminger | ff81fbb | 2006-02-22 11:44:59 -0800 | [diff] [blame] | 3591 | if (ecmd->rx_max_coalesced_frames_irq >RX_MAX_PENDING) |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 3592 | return -EINVAL; |
| 3593 | |
| 3594 | if (ecmd->tx_coalesce_usecs == 0) |
| 3595 | sky2_write8(hw, STAT_TX_TIMER_CTRL, TIM_STOP); |
| 3596 | else { |
| 3597 | sky2_write32(hw, STAT_TX_TIMER_INI, |
| 3598 | sky2_us2clk(hw, ecmd->tx_coalesce_usecs)); |
| 3599 | sky2_write8(hw, STAT_TX_TIMER_CTRL, TIM_START); |
| 3600 | } |
| 3601 | sky2_write16(hw, STAT_TX_IDX_TH, ecmd->tx_max_coalesced_frames); |
| 3602 | |
| 3603 | if (ecmd->rx_coalesce_usecs == 0) |
| 3604 | sky2_write8(hw, STAT_LEV_TIMER_CTRL, TIM_STOP); |
| 3605 | else { |
| 3606 | sky2_write32(hw, STAT_LEV_TIMER_INI, |
| 3607 | sky2_us2clk(hw, ecmd->rx_coalesce_usecs)); |
| 3608 | sky2_write8(hw, STAT_LEV_TIMER_CTRL, TIM_START); |
| 3609 | } |
| 3610 | sky2_write8(hw, STAT_FIFO_WM, ecmd->rx_max_coalesced_frames); |
| 3611 | |
| 3612 | if (ecmd->rx_coalesce_usecs_irq == 0) |
| 3613 | sky2_write8(hw, STAT_ISR_TIMER_CTRL, TIM_STOP); |
| 3614 | else { |
Stephen Hemminger | d28d487 | 2006-01-30 11:37:56 -0800 | [diff] [blame] | 3615 | sky2_write32(hw, STAT_ISR_TIMER_INI, |
Stephen Hemminger | fb17358 | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 3616 | sky2_us2clk(hw, ecmd->rx_coalesce_usecs_irq)); |
| 3617 | sky2_write8(hw, STAT_ISR_TIMER_CTRL, TIM_START); |
| 3618 | } |
| 3619 | sky2_write8(hw, STAT_FIFO_ISR_WM, ecmd->rx_max_coalesced_frames_irq); |
| 3620 | return 0; |
| 3621 | } |
| 3622 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3623 | static void sky2_get_ringparam(struct net_device *dev, |
| 3624 | struct ethtool_ringparam *ering) |
| 3625 | { |
| 3626 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3627 | |
| 3628 | ering->rx_max_pending = RX_MAX_PENDING; |
| 3629 | ering->rx_mini_max_pending = 0; |
| 3630 | ering->rx_jumbo_max_pending = 0; |
| 3631 | ering->tx_max_pending = TX_RING_SIZE - 1; |
| 3632 | |
| 3633 | ering->rx_pending = sky2->rx_pending; |
| 3634 | ering->rx_mini_pending = 0; |
| 3635 | ering->rx_jumbo_pending = 0; |
| 3636 | ering->tx_pending = sky2->tx_pending; |
| 3637 | } |
| 3638 | |
| 3639 | static int sky2_set_ringparam(struct net_device *dev, |
| 3640 | struct ethtool_ringparam *ering) |
| 3641 | { |
| 3642 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3643 | int err = 0; |
| 3644 | |
| 3645 | if (ering->rx_pending > RX_MAX_PENDING || |
| 3646 | ering->rx_pending < 8 || |
| 3647 | ering->tx_pending < MAX_SKB_TX_LE || |
| 3648 | ering->tx_pending > TX_RING_SIZE - 1) |
| 3649 | return -EINVAL; |
| 3650 | |
| 3651 | if (netif_running(dev)) |
| 3652 | sky2_down(dev); |
| 3653 | |
| 3654 | sky2->rx_pending = ering->rx_pending; |
| 3655 | sky2->tx_pending = ering->tx_pending; |
| 3656 | |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 3657 | if (netif_running(dev)) { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3658 | err = sky2_up(dev); |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 3659 | if (err) |
| 3660 | dev_close(dev); |
| 3661 | } |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3662 | |
| 3663 | return err; |
| 3664 | } |
| 3665 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3666 | static int sky2_get_regs_len(struct net_device *dev) |
| 3667 | { |
Stephen Hemminger | 6e4cbb3 | 2005-09-19 15:47:57 -0700 | [diff] [blame] | 3668 | return 0x4000; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3669 | } |
| 3670 | |
| 3671 | /* |
| 3672 | * Returns copy of control register region |
Stephen Hemminger | 3ead5db | 2007-06-04 17:23:21 -0700 | [diff] [blame] | 3673 | * Note: ethtool_get_regs always provides full size (16k) buffer |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3674 | */ |
| 3675 | static void sky2_get_regs(struct net_device *dev, struct ethtool_regs *regs, |
| 3676 | void *p) |
| 3677 | { |
| 3678 | const struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3679 | const void __iomem *io = sky2->hw->regs; |
Stephen Hemminger | 295b54c | 2007-10-11 19:47:22 -0700 | [diff] [blame] | 3680 | unsigned int b; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3681 | |
| 3682 | regs->version = 1; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3683 | |
Stephen Hemminger | 295b54c | 2007-10-11 19:47:22 -0700 | [diff] [blame] | 3684 | for (b = 0; b < 128; b++) { |
| 3685 | /* This complicated switch statement is to make sure and |
| 3686 | * only access regions that are unreserved. |
| 3687 | * Some blocks are only valid on dual port cards. |
| 3688 | * and block 3 has some special diagnostic registers that |
| 3689 | * are poison. |
| 3690 | */ |
| 3691 | switch (b) { |
| 3692 | case 3: |
| 3693 | /* skip diagnostic ram region */ |
| 3694 | memcpy_fromio(p + 0x10, io + 0x10, 128 - 0x10); |
| 3695 | break; |
Stephen Hemminger | 6e4cbb3 | 2005-09-19 15:47:57 -0700 | [diff] [blame] | 3696 | |
Stephen Hemminger | 295b54c | 2007-10-11 19:47:22 -0700 | [diff] [blame] | 3697 | /* dual port cards only */ |
| 3698 | case 5: /* Tx Arbiter 2 */ |
| 3699 | case 9: /* RX2 */ |
| 3700 | case 14 ... 15: /* TX2 */ |
| 3701 | case 17: case 19: /* Ram Buffer 2 */ |
| 3702 | case 22 ... 23: /* Tx Ram Buffer 2 */ |
| 3703 | case 25: /* Rx MAC Fifo 1 */ |
| 3704 | case 27: /* Tx MAC Fifo 2 */ |
| 3705 | case 31: /* GPHY 2 */ |
| 3706 | case 40 ... 47: /* Pattern Ram 2 */ |
| 3707 | case 52: case 54: /* TCP Segmentation 2 */ |
| 3708 | case 112 ... 116: /* GMAC 2 */ |
| 3709 | if (sky2->hw->ports == 1) |
| 3710 | goto reserved; |
| 3711 | /* fall through */ |
| 3712 | case 0: /* Control */ |
| 3713 | case 2: /* Mac address */ |
| 3714 | case 4: /* Tx Arbiter 1 */ |
| 3715 | case 7: /* PCI express reg */ |
| 3716 | case 8: /* RX1 */ |
| 3717 | case 12 ... 13: /* TX1 */ |
| 3718 | case 16: case 18:/* Rx Ram Buffer 1 */ |
| 3719 | case 20 ... 21: /* Tx Ram Buffer 1 */ |
| 3720 | case 24: /* Rx MAC Fifo 1 */ |
| 3721 | case 26: /* Tx MAC Fifo 1 */ |
| 3722 | case 28 ... 29: /* Descriptor and status unit */ |
| 3723 | case 30: /* GPHY 1*/ |
| 3724 | case 32 ... 39: /* Pattern Ram 1 */ |
| 3725 | case 48: case 50: /* TCP Segmentation 1 */ |
| 3726 | case 56 ... 60: /* PCI space */ |
| 3727 | case 80 ... 84: /* GMAC 1 */ |
| 3728 | memcpy_fromio(p, io, 128); |
| 3729 | break; |
| 3730 | default: |
| 3731 | reserved: |
| 3732 | memset(p, 0, 128); |
| 3733 | } |
Stephen Hemminger | 3ead5db | 2007-06-04 17:23:21 -0700 | [diff] [blame] | 3734 | |
Stephen Hemminger | 295b54c | 2007-10-11 19:47:22 -0700 | [diff] [blame] | 3735 | p += 128; |
| 3736 | io += 128; |
| 3737 | } |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3738 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3739 | |
Stephen Hemminger | b628ed9 | 2007-04-11 14:48:01 -0700 | [diff] [blame] | 3740 | /* In order to do Jumbo packets on these chips, need to turn off the |
| 3741 | * transmit store/forward. Therefore checksum offload won't work. |
| 3742 | */ |
| 3743 | static int no_tx_offload(struct net_device *dev) |
| 3744 | { |
| 3745 | const struct sky2_port *sky2 = netdev_priv(dev); |
| 3746 | const struct sky2_hw *hw = sky2->hw; |
| 3747 | |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 3748 | return dev->mtu > ETH_DATA_LEN && hw->chip_id == CHIP_ID_YUKON_EC_U; |
Stephen Hemminger | b628ed9 | 2007-04-11 14:48:01 -0700 | [diff] [blame] | 3749 | } |
| 3750 | |
| 3751 | static int sky2_set_tx_csum(struct net_device *dev, u32 data) |
| 3752 | { |
| 3753 | if (data && no_tx_offload(dev)) |
| 3754 | return -EINVAL; |
| 3755 | |
| 3756 | return ethtool_op_set_tx_csum(dev, data); |
| 3757 | } |
| 3758 | |
| 3759 | |
| 3760 | static int sky2_set_tso(struct net_device *dev, u32 data) |
| 3761 | { |
| 3762 | if (data && no_tx_offload(dev)) |
| 3763 | return -EINVAL; |
| 3764 | |
| 3765 | return ethtool_op_set_tso(dev, data); |
| 3766 | } |
| 3767 | |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 3768 | static int sky2_get_eeprom_len(struct net_device *dev) |
| 3769 | { |
| 3770 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | b32f40c | 2007-11-27 10:57:27 -0800 | [diff] [blame] | 3771 | struct sky2_hw *hw = sky2->hw; |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 3772 | u16 reg2; |
| 3773 | |
Stephen Hemminger | b32f40c | 2007-11-27 10:57:27 -0800 | [diff] [blame] | 3774 | reg2 = sky2_pci_read16(hw, PCI_DEV_REG2); |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 3775 | return 1 << ( ((reg2 & PCI_VPD_ROM_SZ) >> 14) + 8); |
| 3776 | } |
| 3777 | |
Stephen Hemminger | 1413235 | 2008-08-27 20:46:26 -0700 | [diff] [blame] | 3778 | static int sky2_vpd_wait(const struct sky2_hw *hw, int cap, u16 busy) |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 3779 | { |
Stephen Hemminger | 1413235 | 2008-08-27 20:46:26 -0700 | [diff] [blame] | 3780 | unsigned long start = jiffies; |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 3781 | |
Stephen Hemminger | 1413235 | 2008-08-27 20:46:26 -0700 | [diff] [blame] | 3782 | while ( (sky2_pci_read16(hw, cap + PCI_VPD_ADDR) & PCI_VPD_ADDR_F) == busy) { |
| 3783 | /* Can take up to 10.6 ms for write */ |
| 3784 | if (time_after(jiffies, start + HZ/4)) { |
| 3785 | dev_err(&hw->pdev->dev, PFX "VPD cycle timed out"); |
| 3786 | return -ETIMEDOUT; |
| 3787 | } |
| 3788 | mdelay(1); |
| 3789 | } |
Stephen Hemminger | 167f53d | 2007-09-25 19:01:02 -0700 | [diff] [blame] | 3790 | |
Stephen Hemminger | 1413235 | 2008-08-27 20:46:26 -0700 | [diff] [blame] | 3791 | return 0; |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 3792 | } |
| 3793 | |
Stephen Hemminger | 1413235 | 2008-08-27 20:46:26 -0700 | [diff] [blame] | 3794 | static int sky2_vpd_read(struct sky2_hw *hw, int cap, void *data, |
| 3795 | u16 offset, size_t length) |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 3796 | { |
Stephen Hemminger | 1413235 | 2008-08-27 20:46:26 -0700 | [diff] [blame] | 3797 | int rc = 0; |
| 3798 | |
| 3799 | while (length > 0) { |
| 3800 | u32 val; |
| 3801 | |
| 3802 | sky2_pci_write16(hw, cap + PCI_VPD_ADDR, offset); |
| 3803 | rc = sky2_vpd_wait(hw, cap, 0); |
| 3804 | if (rc) |
| 3805 | break; |
| 3806 | |
| 3807 | val = sky2_pci_read32(hw, cap + PCI_VPD_DATA); |
| 3808 | |
| 3809 | memcpy(data, &val, min(sizeof(val), length)); |
| 3810 | offset += sizeof(u32); |
| 3811 | data += sizeof(u32); |
| 3812 | length -= sizeof(u32); |
| 3813 | } |
| 3814 | |
| 3815 | return rc; |
| 3816 | } |
| 3817 | |
| 3818 | static int sky2_vpd_write(struct sky2_hw *hw, int cap, const void *data, |
| 3819 | u16 offset, unsigned int length) |
| 3820 | { |
| 3821 | unsigned int i; |
| 3822 | int rc = 0; |
| 3823 | |
| 3824 | for (i = 0; i < length; i += sizeof(u32)) { |
| 3825 | u32 val = *(u32 *)(data + i); |
| 3826 | |
| 3827 | sky2_pci_write32(hw, cap + PCI_VPD_DATA, val); |
| 3828 | sky2_pci_write32(hw, cap + PCI_VPD_ADDR, offset | PCI_VPD_ADDR_F); |
| 3829 | |
| 3830 | rc = sky2_vpd_wait(hw, cap, PCI_VPD_ADDR_F); |
| 3831 | if (rc) |
| 3832 | break; |
| 3833 | } |
| 3834 | return rc; |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 3835 | } |
| 3836 | |
| 3837 | static int sky2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, |
| 3838 | u8 *data) |
| 3839 | { |
| 3840 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3841 | int cap = pci_find_capability(sky2->hw->pdev, PCI_CAP_ID_VPD); |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 3842 | |
| 3843 | if (!cap) |
| 3844 | return -EINVAL; |
| 3845 | |
| 3846 | eeprom->magic = SKY2_EEPROM_MAGIC; |
| 3847 | |
Stephen Hemminger | 1413235 | 2008-08-27 20:46:26 -0700 | [diff] [blame] | 3848 | return sky2_vpd_read(sky2->hw, cap, data, eeprom->offset, eeprom->len); |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 3849 | } |
| 3850 | |
| 3851 | static int sky2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, |
| 3852 | u8 *data) |
| 3853 | { |
| 3854 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3855 | int cap = pci_find_capability(sky2->hw->pdev, PCI_CAP_ID_VPD); |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 3856 | |
| 3857 | if (!cap) |
| 3858 | return -EINVAL; |
| 3859 | |
| 3860 | if (eeprom->magic != SKY2_EEPROM_MAGIC) |
| 3861 | return -EINVAL; |
| 3862 | |
Stephen Hemminger | 1413235 | 2008-08-27 20:46:26 -0700 | [diff] [blame] | 3863 | /* Partial writes not supported */ |
| 3864 | if ((eeprom->offset & 3) || (eeprom->len & 3)) |
| 3865 | return -EINVAL; |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 3866 | |
Stephen Hemminger | 1413235 | 2008-08-27 20:46:26 -0700 | [diff] [blame] | 3867 | return sky2_vpd_write(sky2->hw, cap, data, eeprom->offset, eeprom->len); |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 3868 | } |
| 3869 | |
| 3870 | |
Jeff Garzik | 7282d49 | 2006-09-13 14:30:00 -0400 | [diff] [blame] | 3871 | static const struct ethtool_ops sky2_ethtool_ops = { |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 3872 | .get_settings = sky2_get_settings, |
| 3873 | .set_settings = sky2_set_settings, |
| 3874 | .get_drvinfo = sky2_get_drvinfo, |
| 3875 | .get_wol = sky2_get_wol, |
| 3876 | .set_wol = sky2_set_wol, |
| 3877 | .get_msglevel = sky2_get_msglevel, |
| 3878 | .set_msglevel = sky2_set_msglevel, |
| 3879 | .nway_reset = sky2_nway_reset, |
| 3880 | .get_regs_len = sky2_get_regs_len, |
| 3881 | .get_regs = sky2_get_regs, |
| 3882 | .get_link = ethtool_op_get_link, |
| 3883 | .get_eeprom_len = sky2_get_eeprom_len, |
| 3884 | .get_eeprom = sky2_get_eeprom, |
| 3885 | .set_eeprom = sky2_set_eeprom, |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 3886 | .set_sg = ethtool_op_set_sg, |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 3887 | .set_tx_csum = sky2_set_tx_csum, |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 3888 | .set_tso = sky2_set_tso, |
| 3889 | .get_rx_csum = sky2_get_rx_csum, |
| 3890 | .set_rx_csum = sky2_set_rx_csum, |
| 3891 | .get_strings = sky2_get_strings, |
| 3892 | .get_coalesce = sky2_get_coalesce, |
| 3893 | .set_coalesce = sky2_set_coalesce, |
| 3894 | .get_ringparam = sky2_get_ringparam, |
| 3895 | .set_ringparam = sky2_set_ringparam, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3896 | .get_pauseparam = sky2_get_pauseparam, |
| 3897 | .set_pauseparam = sky2_set_pauseparam, |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 3898 | .phys_id = sky2_phys_id, |
Jeff Garzik | b9f2c04 | 2007-10-03 18:07:32 -0700 | [diff] [blame] | 3899 | .get_sset_count = sky2_get_sset_count, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3900 | .get_ethtool_stats = sky2_get_ethtool_stats, |
| 3901 | }; |
| 3902 | |
Stephen Hemminger | 3cf2675 | 2007-07-09 15:33:35 -0700 | [diff] [blame] | 3903 | #ifdef CONFIG_SKY2_DEBUG |
| 3904 | |
| 3905 | static struct dentry *sky2_debug; |
| 3906 | |
Stephen Hemminger | e4c2abe | 2009-02-03 11:27:29 +0000 | [diff] [blame] | 3907 | |
| 3908 | /* |
| 3909 | * Read and parse the first part of Vital Product Data |
| 3910 | */ |
| 3911 | #define VPD_SIZE 128 |
| 3912 | #define VPD_MAGIC 0x82 |
| 3913 | |
| 3914 | static const struct vpd_tag { |
| 3915 | char tag[2]; |
| 3916 | char *label; |
| 3917 | } vpd_tags[] = { |
| 3918 | { "PN", "Part Number" }, |
| 3919 | { "EC", "Engineering Level" }, |
| 3920 | { "MN", "Manufacturer" }, |
| 3921 | { "SN", "Serial Number" }, |
| 3922 | { "YA", "Asset Tag" }, |
| 3923 | { "VL", "First Error Log Message" }, |
| 3924 | { "VF", "Second Error Log Message" }, |
| 3925 | { "VB", "Boot Agent ROM Configuration" }, |
| 3926 | { "VE", "EFI UNDI Configuration" }, |
| 3927 | }; |
| 3928 | |
| 3929 | static void sky2_show_vpd(struct seq_file *seq, struct sky2_hw *hw) |
| 3930 | { |
| 3931 | size_t vpd_size; |
| 3932 | loff_t offs; |
| 3933 | u8 len; |
| 3934 | unsigned char *buf; |
| 3935 | u16 reg2; |
| 3936 | |
| 3937 | reg2 = sky2_pci_read16(hw, PCI_DEV_REG2); |
| 3938 | vpd_size = 1 << ( ((reg2 & PCI_VPD_ROM_SZ) >> 14) + 8); |
| 3939 | |
| 3940 | seq_printf(seq, "%s Product Data\n", pci_name(hw->pdev)); |
| 3941 | buf = kmalloc(vpd_size, GFP_KERNEL); |
| 3942 | if (!buf) { |
| 3943 | seq_puts(seq, "no memory!\n"); |
| 3944 | return; |
| 3945 | } |
| 3946 | |
| 3947 | if (pci_read_vpd(hw->pdev, 0, vpd_size, buf) < 0) { |
| 3948 | seq_puts(seq, "VPD read failed\n"); |
| 3949 | goto out; |
| 3950 | } |
| 3951 | |
| 3952 | if (buf[0] != VPD_MAGIC) { |
| 3953 | seq_printf(seq, "VPD tag mismatch: %#x\n", buf[0]); |
| 3954 | goto out; |
| 3955 | } |
| 3956 | len = buf[1]; |
| 3957 | if (len == 0 || len > vpd_size - 4) { |
| 3958 | seq_printf(seq, "Invalid id length: %d\n", len); |
| 3959 | goto out; |
| 3960 | } |
| 3961 | |
| 3962 | seq_printf(seq, "%.*s\n", len, buf + 3); |
| 3963 | offs = len + 3; |
| 3964 | |
| 3965 | while (offs < vpd_size - 4) { |
| 3966 | int i; |
| 3967 | |
| 3968 | if (!memcmp("RW", buf + offs, 2)) /* end marker */ |
| 3969 | break; |
| 3970 | len = buf[offs + 2]; |
| 3971 | if (offs + len + 3 >= vpd_size) |
| 3972 | break; |
| 3973 | |
| 3974 | for (i = 0; i < ARRAY_SIZE(vpd_tags); i++) { |
| 3975 | if (!memcmp(vpd_tags[i].tag, buf + offs, 2)) { |
| 3976 | seq_printf(seq, " %s: %.*s\n", |
| 3977 | vpd_tags[i].label, len, buf + offs + 3); |
| 3978 | break; |
| 3979 | } |
| 3980 | } |
| 3981 | offs += len + 3; |
| 3982 | } |
| 3983 | out: |
| 3984 | kfree(buf); |
| 3985 | } |
| 3986 | |
Stephen Hemminger | 3cf2675 | 2007-07-09 15:33:35 -0700 | [diff] [blame] | 3987 | static int sky2_debug_show(struct seq_file *seq, void *v) |
| 3988 | { |
| 3989 | struct net_device *dev = seq->private; |
| 3990 | const struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 3991 | struct sky2_hw *hw = sky2->hw; |
Stephen Hemminger | 3cf2675 | 2007-07-09 15:33:35 -0700 | [diff] [blame] | 3992 | unsigned port = sky2->port; |
| 3993 | unsigned idx, last; |
| 3994 | int sop; |
| 3995 | |
Stephen Hemminger | e4c2abe | 2009-02-03 11:27:29 +0000 | [diff] [blame] | 3996 | sky2_show_vpd(seq, hw); |
Stephen Hemminger | 3cf2675 | 2007-07-09 15:33:35 -0700 | [diff] [blame] | 3997 | |
Stephen Hemminger | e4c2abe | 2009-02-03 11:27:29 +0000 | [diff] [blame] | 3998 | seq_printf(seq, "\nIRQ src=%x mask=%x control=%x\n", |
Stephen Hemminger | 3cf2675 | 2007-07-09 15:33:35 -0700 | [diff] [blame] | 3999 | sky2_read32(hw, B0_ISRC), |
| 4000 | sky2_read32(hw, B0_IMSK), |
| 4001 | sky2_read32(hw, B0_Y2_SP_ICR)); |
| 4002 | |
Stephen Hemminger | e4c2abe | 2009-02-03 11:27:29 +0000 | [diff] [blame] | 4003 | if (!netif_running(dev)) { |
| 4004 | seq_printf(seq, "network not running\n"); |
| 4005 | return 0; |
| 4006 | } |
| 4007 | |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 4008 | napi_disable(&hw->napi); |
Stephen Hemminger | 3cf2675 | 2007-07-09 15:33:35 -0700 | [diff] [blame] | 4009 | last = sky2_read16(hw, STAT_PUT_IDX); |
| 4010 | |
| 4011 | if (hw->st_idx == last) |
| 4012 | seq_puts(seq, "Status ring (empty)\n"); |
| 4013 | else { |
| 4014 | seq_puts(seq, "Status ring\n"); |
| 4015 | for (idx = hw->st_idx; idx != last && idx < STATUS_RING_SIZE; |
| 4016 | idx = RING_NEXT(idx, STATUS_RING_SIZE)) { |
| 4017 | const struct sky2_status_le *le = hw->st_le + idx; |
| 4018 | seq_printf(seq, "[%d] %#x %d %#x\n", |
| 4019 | idx, le->opcode, le->length, le->status); |
| 4020 | } |
| 4021 | seq_puts(seq, "\n"); |
| 4022 | } |
| 4023 | |
| 4024 | seq_printf(seq, "Tx ring pending=%u...%u report=%d done=%d\n", |
| 4025 | sky2->tx_cons, sky2->tx_prod, |
| 4026 | sky2_read16(hw, port == 0 ? STAT_TXA1_RIDX : STAT_TXA2_RIDX), |
| 4027 | sky2_read16(hw, Q_ADDR(txqaddr[port], Q_DONE))); |
| 4028 | |
| 4029 | /* Dump contents of tx ring */ |
| 4030 | sop = 1; |
| 4031 | for (idx = sky2->tx_next; idx != sky2->tx_prod && idx < TX_RING_SIZE; |
| 4032 | idx = RING_NEXT(idx, TX_RING_SIZE)) { |
| 4033 | const struct sky2_tx_le *le = sky2->tx_le + idx; |
| 4034 | u32 a = le32_to_cpu(le->addr); |
| 4035 | |
| 4036 | if (sop) |
| 4037 | seq_printf(seq, "%u:", idx); |
| 4038 | sop = 0; |
| 4039 | |
| 4040 | switch(le->opcode & ~HW_OWNER) { |
| 4041 | case OP_ADDR64: |
| 4042 | seq_printf(seq, " %#x:", a); |
| 4043 | break; |
| 4044 | case OP_LRGLEN: |
| 4045 | seq_printf(seq, " mtu=%d", a); |
| 4046 | break; |
| 4047 | case OP_VLAN: |
| 4048 | seq_printf(seq, " vlan=%d", be16_to_cpu(le->length)); |
| 4049 | break; |
| 4050 | case OP_TCPLISW: |
| 4051 | seq_printf(seq, " csum=%#x", a); |
| 4052 | break; |
| 4053 | case OP_LARGESEND: |
| 4054 | seq_printf(seq, " tso=%#x(%d)", a, le16_to_cpu(le->length)); |
| 4055 | break; |
| 4056 | case OP_PACKET: |
| 4057 | seq_printf(seq, " %#x(%d)", a, le16_to_cpu(le->length)); |
| 4058 | break; |
| 4059 | case OP_BUFFER: |
| 4060 | seq_printf(seq, " frag=%#x(%d)", a, le16_to_cpu(le->length)); |
| 4061 | break; |
| 4062 | default: |
| 4063 | seq_printf(seq, " op=%#x,%#x(%d)", le->opcode, |
| 4064 | a, le16_to_cpu(le->length)); |
| 4065 | } |
| 4066 | |
| 4067 | if (le->ctrl & EOP) { |
| 4068 | seq_putc(seq, '\n'); |
| 4069 | sop = 1; |
| 4070 | } |
| 4071 | } |
| 4072 | |
| 4073 | seq_printf(seq, "\nRx ring hw get=%d put=%d last=%d\n", |
| 4074 | sky2_read16(hw, Y2_QADDR(rxqaddr[port], PREF_UNIT_GET_IDX)), |
| 4075 | last = sky2_read16(hw, Y2_QADDR(rxqaddr[port], PREF_UNIT_PUT_IDX)), |
| 4076 | sky2_read16(hw, Y2_QADDR(rxqaddr[port], PREF_UNIT_LAST_IDX))); |
| 4077 | |
David S. Miller | d1d08d1 | 2008-01-07 20:53:33 -0800 | [diff] [blame] | 4078 | sky2_read32(hw, B0_Y2_SP_LISR); |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 4079 | napi_enable(&hw->napi); |
Stephen Hemminger | 3cf2675 | 2007-07-09 15:33:35 -0700 | [diff] [blame] | 4080 | return 0; |
| 4081 | } |
| 4082 | |
| 4083 | static int sky2_debug_open(struct inode *inode, struct file *file) |
| 4084 | { |
| 4085 | return single_open(file, sky2_debug_show, inode->i_private); |
| 4086 | } |
| 4087 | |
| 4088 | static const struct file_operations sky2_debug_fops = { |
| 4089 | .owner = THIS_MODULE, |
| 4090 | .open = sky2_debug_open, |
| 4091 | .read = seq_read, |
| 4092 | .llseek = seq_lseek, |
| 4093 | .release = single_release, |
| 4094 | }; |
| 4095 | |
| 4096 | /* |
| 4097 | * Use network device events to create/remove/rename |
| 4098 | * debugfs file entries |
| 4099 | */ |
| 4100 | static int sky2_device_event(struct notifier_block *unused, |
| 4101 | unsigned long event, void *ptr) |
| 4102 | { |
| 4103 | struct net_device *dev = ptr; |
Stephen Hemminger | 5b296bc | 2007-08-29 12:58:11 -0700 | [diff] [blame] | 4104 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | 3cf2675 | 2007-07-09 15:33:35 -0700 | [diff] [blame] | 4105 | |
Stephen Hemminger | 1436b30 | 2008-11-19 21:59:54 -0800 | [diff] [blame] | 4106 | if (dev->netdev_ops->ndo_open != sky2_up || !sky2_debug) |
Stephen Hemminger | 5b296bc | 2007-08-29 12:58:11 -0700 | [diff] [blame] | 4107 | return NOTIFY_DONE; |
Stephen Hemminger | 3cf2675 | 2007-07-09 15:33:35 -0700 | [diff] [blame] | 4108 | |
Stephen Hemminger | 5b296bc | 2007-08-29 12:58:11 -0700 | [diff] [blame] | 4109 | switch(event) { |
| 4110 | case NETDEV_CHANGENAME: |
| 4111 | if (sky2->debugfs) { |
| 4112 | sky2->debugfs = debugfs_rename(sky2_debug, sky2->debugfs, |
| 4113 | sky2_debug, dev->name); |
Stephen Hemminger | 3cf2675 | 2007-07-09 15:33:35 -0700 | [diff] [blame] | 4114 | } |
Stephen Hemminger | 5b296bc | 2007-08-29 12:58:11 -0700 | [diff] [blame] | 4115 | break; |
| 4116 | |
| 4117 | case NETDEV_GOING_DOWN: |
| 4118 | if (sky2->debugfs) { |
| 4119 | printk(KERN_DEBUG PFX "%s: remove debugfs\n", |
| 4120 | dev->name); |
| 4121 | debugfs_remove(sky2->debugfs); |
| 4122 | sky2->debugfs = NULL; |
| 4123 | } |
| 4124 | break; |
| 4125 | |
| 4126 | case NETDEV_UP: |
| 4127 | sky2->debugfs = debugfs_create_file(dev->name, S_IRUGO, |
| 4128 | sky2_debug, dev, |
| 4129 | &sky2_debug_fops); |
| 4130 | if (IS_ERR(sky2->debugfs)) |
| 4131 | sky2->debugfs = NULL; |
Stephen Hemminger | 3cf2675 | 2007-07-09 15:33:35 -0700 | [diff] [blame] | 4132 | } |
| 4133 | |
| 4134 | return NOTIFY_DONE; |
| 4135 | } |
| 4136 | |
| 4137 | static struct notifier_block sky2_notifier = { |
| 4138 | .notifier_call = sky2_device_event, |
| 4139 | }; |
| 4140 | |
| 4141 | |
| 4142 | static __init void sky2_debug_init(void) |
| 4143 | { |
| 4144 | struct dentry *ent; |
| 4145 | |
| 4146 | ent = debugfs_create_dir("sky2", NULL); |
| 4147 | if (!ent || IS_ERR(ent)) |
| 4148 | return; |
| 4149 | |
| 4150 | sky2_debug = ent; |
| 4151 | register_netdevice_notifier(&sky2_notifier); |
| 4152 | } |
| 4153 | |
| 4154 | static __exit void sky2_debug_cleanup(void) |
| 4155 | { |
| 4156 | if (sky2_debug) { |
| 4157 | unregister_netdevice_notifier(&sky2_notifier); |
| 4158 | debugfs_remove(sky2_debug); |
| 4159 | sky2_debug = NULL; |
| 4160 | } |
| 4161 | } |
| 4162 | |
| 4163 | #else |
| 4164 | #define sky2_debug_init() |
| 4165 | #define sky2_debug_cleanup() |
| 4166 | #endif |
| 4167 | |
Stephen Hemminger | 1436b30 | 2008-11-19 21:59:54 -0800 | [diff] [blame] | 4168 | /* Two copies of network device operations to handle special case of |
| 4169 | not allowing netpoll on second port */ |
| 4170 | static const struct net_device_ops sky2_netdev_ops[2] = { |
| 4171 | { |
| 4172 | .ndo_open = sky2_up, |
| 4173 | .ndo_stop = sky2_down, |
Stephen Hemminger | 0082982 | 2008-11-20 20:14:53 -0800 | [diff] [blame] | 4174 | .ndo_start_xmit = sky2_xmit_frame, |
Stephen Hemminger | 1436b30 | 2008-11-19 21:59:54 -0800 | [diff] [blame] | 4175 | .ndo_do_ioctl = sky2_ioctl, |
| 4176 | .ndo_validate_addr = eth_validate_addr, |
| 4177 | .ndo_set_mac_address = sky2_set_mac_address, |
| 4178 | .ndo_set_multicast_list = sky2_set_multicast, |
| 4179 | .ndo_change_mtu = sky2_change_mtu, |
| 4180 | .ndo_tx_timeout = sky2_tx_timeout, |
| 4181 | #ifdef SKY2_VLAN_TAG_USED |
| 4182 | .ndo_vlan_rx_register = sky2_vlan_rx_register, |
| 4183 | #endif |
| 4184 | #ifdef CONFIG_NET_POLL_CONTROLLER |
| 4185 | .ndo_poll_controller = sky2_netpoll, |
| 4186 | #endif |
| 4187 | }, |
| 4188 | { |
| 4189 | .ndo_open = sky2_up, |
| 4190 | .ndo_stop = sky2_down, |
Stephen Hemminger | 0082982 | 2008-11-20 20:14:53 -0800 | [diff] [blame] | 4191 | .ndo_start_xmit = sky2_xmit_frame, |
Stephen Hemminger | 1436b30 | 2008-11-19 21:59:54 -0800 | [diff] [blame] | 4192 | .ndo_do_ioctl = sky2_ioctl, |
| 4193 | .ndo_validate_addr = eth_validate_addr, |
| 4194 | .ndo_set_mac_address = sky2_set_mac_address, |
| 4195 | .ndo_set_multicast_list = sky2_set_multicast, |
| 4196 | .ndo_change_mtu = sky2_change_mtu, |
| 4197 | .ndo_tx_timeout = sky2_tx_timeout, |
| 4198 | #ifdef SKY2_VLAN_TAG_USED |
| 4199 | .ndo_vlan_rx_register = sky2_vlan_rx_register, |
| 4200 | #endif |
| 4201 | }, |
| 4202 | }; |
Stephen Hemminger | 3cf2675 | 2007-07-09 15:33:35 -0700 | [diff] [blame] | 4203 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4204 | /* Initialize network device */ |
| 4205 | static __devinit struct net_device *sky2_init_netdev(struct sky2_hw *hw, |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 4206 | unsigned port, |
Stephen Hemminger | be63a21 | 2008-01-15 11:29:29 -0800 | [diff] [blame] | 4207 | int highmem, int wol) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4208 | { |
| 4209 | struct sky2_port *sky2; |
| 4210 | struct net_device *dev = alloc_etherdev(sizeof(*sky2)); |
| 4211 | |
| 4212 | if (!dev) { |
Joe Perches | 898eb71 | 2007-10-18 03:06:30 -0700 | [diff] [blame] | 4213 | dev_err(&hw->pdev->dev, "etherdev alloc failed\n"); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4214 | return NULL; |
| 4215 | } |
| 4216 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4217 | SET_NETDEV_DEV(dev, &hw->pdev->dev); |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 4218 | dev->irq = hw->pdev->irq; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4219 | SET_ETHTOOL_OPS(dev, &sky2_ethtool_ops); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4220 | dev->watchdog_timeo = TX_WATCHDOG; |
Stephen Hemminger | 1436b30 | 2008-11-19 21:59:54 -0800 | [diff] [blame] | 4221 | dev->netdev_ops = &sky2_netdev_ops[port]; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4222 | |
| 4223 | sky2 = netdev_priv(dev); |
| 4224 | sky2->netdev = dev; |
| 4225 | sky2->hw = hw; |
| 4226 | sky2->msg_enable = netif_msg_init(debug, default_msg); |
| 4227 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4228 | /* Auto speed and flow control */ |
| 4229 | sky2->autoneg = AUTONEG_ENABLE; |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 4230 | sky2->flow_mode = FC_BOTH; |
| 4231 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4232 | sky2->duplex = -1; |
| 4233 | sky2->speed = -1; |
| 4234 | sky2->advertising = sky2_supported_modes(hw); |
Stephen Hemminger | 8b31cfb | 2007-11-21 14:55:26 -0800 | [diff] [blame] | 4235 | sky2->rx_csum = (hw->chip_id != CHIP_ID_YUKON_XL); |
Stephen Hemminger | be63a21 | 2008-01-15 11:29:29 -0800 | [diff] [blame] | 4236 | sky2->wol = wol; |
Stephen Hemminger | 75d070c | 2005-12-09 11:35:11 -0800 | [diff] [blame] | 4237 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 4238 | spin_lock_init(&sky2->phy_lock); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4239 | sky2->tx_pending = TX_DEF_PENDING; |
Stephen Hemminger | 290d4de | 2006-03-20 15:48:15 -0800 | [diff] [blame] | 4240 | sky2->rx_pending = RX_DEF_PENDING; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4241 | |
| 4242 | hw->dev[port] = dev; |
| 4243 | |
| 4244 | sky2->port = port; |
| 4245 | |
Stephen Hemminger | 4a50a87 | 2007-02-06 10:45:41 -0800 | [diff] [blame] | 4246 | dev->features |= NETIF_F_TSO | NETIF_F_IP_CSUM | NETIF_F_SG; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4247 | if (highmem) |
| 4248 | dev->features |= NETIF_F_HIGHDMA; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4249 | |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 4250 | #ifdef SKY2_VLAN_TAG_USED |
Stephen Hemminger | d6c9bc1 | 2007-09-27 12:32:44 -0700 | [diff] [blame] | 4251 | /* The workaround for FE+ status conflicts with VLAN tag detection. */ |
| 4252 | if (!(sky2->hw->chip_id == CHIP_ID_YUKON_FE_P && |
| 4253 | sky2->hw->chip_rev == CHIP_REV_YU_FE2_A0)) { |
| 4254 | dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; |
Stephen Hemminger | d6c9bc1 | 2007-09-27 12:32:44 -0700 | [diff] [blame] | 4255 | } |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 4256 | #endif |
| 4257 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4258 | /* read the mac address */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4259 | 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] | 4260 | memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4261 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4262 | return dev; |
| 4263 | } |
| 4264 | |
Stephen Hemminger | 28bd181 | 2006-01-17 13:43:19 -0800 | [diff] [blame] | 4265 | static void __devinit sky2_show_addr(struct net_device *dev) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4266 | { |
| 4267 | const struct sky2_port *sky2 = netdev_priv(dev); |
| 4268 | |
| 4269 | if (netif_msg_probe(sky2)) |
Johannes Berg | e174961 | 2008-10-27 15:59:26 -0700 | [diff] [blame] | 4270 | printk(KERN_INFO PFX "%s: addr %pM\n", |
| 4271 | dev->name, dev->dev_addr); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4272 | } |
| 4273 | |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 4274 | /* Handle software interrupt used during MSI test */ |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 4275 | static irqreturn_t __devinit sky2_test_intr(int irq, void *dev_id) |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 4276 | { |
| 4277 | struct sky2_hw *hw = dev_id; |
| 4278 | u32 status = sky2_read32(hw, B0_Y2_SP_ISRC2); |
| 4279 | |
| 4280 | if (status == 0) |
| 4281 | return IRQ_NONE; |
| 4282 | |
| 4283 | if (status & Y2_IS_IRQ_SW) { |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 4284 | hw->flags |= SKY2_HW_USE_MSI; |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 4285 | wake_up(&hw->msi_wait); |
| 4286 | sky2_write8(hw, B0_CTST, CS_CL_SW_IRQ); |
| 4287 | } |
| 4288 | sky2_write32(hw, B0_Y2_SP_ICR, 2); |
| 4289 | |
| 4290 | return IRQ_HANDLED; |
| 4291 | } |
| 4292 | |
| 4293 | /* Test interrupt path by forcing a a software IRQ */ |
| 4294 | static int __devinit sky2_test_msi(struct sky2_hw *hw) |
| 4295 | { |
| 4296 | struct pci_dev *pdev = hw->pdev; |
| 4297 | int err; |
| 4298 | |
shemminger@osdl.org | bb507fe | 2006-08-28 10:00:48 -0700 | [diff] [blame] | 4299 | init_waitqueue_head (&hw->msi_wait); |
| 4300 | |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 4301 | sky2_write32(hw, B0_IMSK, Y2_IS_IRQ_SW); |
| 4302 | |
Stephen Hemminger | b0a20de | 2006-12-01 14:29:37 -0800 | [diff] [blame] | 4303 | err = request_irq(pdev->irq, sky2_test_intr, 0, DRV_NAME, hw); |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 4304 | if (err) { |
Stephen Hemminger | b02a925 | 2007-02-06 10:45:40 -0800 | [diff] [blame] | 4305 | dev_err(&pdev->dev, "cannot assign irq %d\n", pdev->irq); |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 4306 | return err; |
| 4307 | } |
| 4308 | |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 4309 | sky2_write8(hw, B0_CTST, CS_ST_SW_IRQ); |
shemminger@osdl.org | bb507fe | 2006-08-28 10:00:48 -0700 | [diff] [blame] | 4310 | sky2_read8(hw, B0_CTST); |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 4311 | |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 4312 | wait_event_timeout(hw->msi_wait, (hw->flags & SKY2_HW_USE_MSI), HZ/10); |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 4313 | |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 4314 | if (!(hw->flags & SKY2_HW_USE_MSI)) { |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 4315 | /* MSI test failed, go back to INTx mode */ |
Stephen Hemminger | b02a925 | 2007-02-06 10:45:40 -0800 | [diff] [blame] | 4316 | dev_info(&pdev->dev, "No interrupt generated using MSI, " |
| 4317 | "switching to INTx mode.\n"); |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 4318 | |
| 4319 | err = -EOPNOTSUPP; |
| 4320 | sky2_write8(hw, B0_CTST, CS_CL_SW_IRQ); |
| 4321 | } |
| 4322 | |
| 4323 | sky2_write32(hw, B0_IMSK, 0); |
Stephen Hemminger | 2bffc23 | 2006-10-17 10:17:18 -0700 | [diff] [blame] | 4324 | sky2_read32(hw, B0_IMSK); |
Stephen Hemminger | fb2690a | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 4325 | |
| 4326 | free_irq(pdev->irq, hw); |
| 4327 | |
| 4328 | return err; |
| 4329 | } |
| 4330 | |
Stephen Hemminger | c7127a3 | 2008-06-17 09:04:25 -0700 | [diff] [blame] | 4331 | /* This driver supports yukon2 chipset only */ |
| 4332 | static const char *sky2_name(u8 chipid, char *buf, int sz) |
| 4333 | { |
| 4334 | const char *name[] = { |
| 4335 | "XL", /* 0xb3 */ |
| 4336 | "EC Ultra", /* 0xb4 */ |
| 4337 | "Extreme", /* 0xb5 */ |
| 4338 | "EC", /* 0xb6 */ |
| 4339 | "FE", /* 0xb7 */ |
| 4340 | "FE+", /* 0xb8 */ |
| 4341 | "Supreme", /* 0xb9 */ |
Stephen Hemminger | 0ce8b98 | 2008-06-17 09:04:27 -0700 | [diff] [blame] | 4342 | "UL 2", /* 0xba */ |
Stephen Hemminger | c7127a3 | 2008-06-17 09:04:25 -0700 | [diff] [blame] | 4343 | }; |
| 4344 | |
Stephen Hemminger | 0ce8b98 | 2008-06-17 09:04:27 -0700 | [diff] [blame] | 4345 | if (chipid >= CHIP_ID_YUKON_XL && chipid < CHIP_ID_YUKON_UL_2) |
Stephen Hemminger | c7127a3 | 2008-06-17 09:04:25 -0700 | [diff] [blame] | 4346 | strncpy(buf, name[chipid - CHIP_ID_YUKON_XL], sz); |
| 4347 | else |
| 4348 | snprintf(buf, sz, "(chip %#x)", chipid); |
| 4349 | return buf; |
| 4350 | } |
| 4351 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4352 | static int __devinit sky2_probe(struct pci_dev *pdev, |
| 4353 | const struct pci_device_id *ent) |
| 4354 | { |
shemminger@linux-foundation.org | 7f60c64 | 2007-01-26 11:38:36 -0800 | [diff] [blame] | 4355 | struct net_device *dev; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4356 | struct sky2_hw *hw; |
Stephen Hemminger | be63a21 | 2008-01-15 11:29:29 -0800 | [diff] [blame] | 4357 | int err, using_dac = 0, wol_default; |
Stephen Hemminger | 3834507 | 2009-02-03 11:27:30 +0000 | [diff] [blame] | 4358 | u32 reg; |
Stephen Hemminger | c7127a3 | 2008-06-17 09:04:25 -0700 | [diff] [blame] | 4359 | char buf1[16]; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4360 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4361 | err = pci_enable_device(pdev); |
| 4362 | if (err) { |
Stephen Hemminger | b02a925 | 2007-02-06 10:45:40 -0800 | [diff] [blame] | 4363 | dev_err(&pdev->dev, "cannot enable PCI device\n"); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4364 | goto err_out; |
| 4365 | } |
| 4366 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4367 | err = pci_request_regions(pdev, DRV_NAME); |
| 4368 | if (err) { |
Stephen Hemminger | b02a925 | 2007-02-06 10:45:40 -0800 | [diff] [blame] | 4369 | dev_err(&pdev->dev, "cannot obtain PCI resources\n"); |
Stephen Hemminger | 44a1d2e | 2007-04-30 14:23:49 -0700 | [diff] [blame] | 4370 | goto err_out_disable; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4371 | } |
| 4372 | |
| 4373 | pci_set_master(pdev); |
| 4374 | |
Stephen Hemminger | d1f3d4d | 2006-01-17 13:43:11 -0800 | [diff] [blame] | 4375 | if (sizeof(dma_addr_t) > sizeof(u32) && |
Yang Hongyang | 6a35528 | 2009-04-06 19:01:13 -0700 | [diff] [blame] | 4376 | !(err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)))) { |
Stephen Hemminger | d1f3d4d | 2006-01-17 13:43:11 -0800 | [diff] [blame] | 4377 | using_dac = 1; |
Yang Hongyang | 6a35528 | 2009-04-06 19:01:13 -0700 | [diff] [blame] | 4378 | err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); |
Stephen Hemminger | d1f3d4d | 2006-01-17 13:43:11 -0800 | [diff] [blame] | 4379 | if (err < 0) { |
Stephen Hemminger | b02a925 | 2007-02-06 10:45:40 -0800 | [diff] [blame] | 4380 | dev_err(&pdev->dev, "unable to obtain 64 bit DMA " |
| 4381 | "for consistent allocations\n"); |
Stephen Hemminger | d1f3d4d | 2006-01-17 13:43:11 -0800 | [diff] [blame] | 4382 | goto err_out_free_regions; |
| 4383 | } |
Stephen Hemminger | d1f3d4d | 2006-01-17 13:43:11 -0800 | [diff] [blame] | 4384 | } else { |
Yang Hongyang | 284901a | 2009-04-06 19:01:15 -0700 | [diff] [blame] | 4385 | err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4386 | if (err) { |
Stephen Hemminger | b02a925 | 2007-02-06 10:45:40 -0800 | [diff] [blame] | 4387 | dev_err(&pdev->dev, "no usable DMA configuration\n"); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4388 | goto err_out_free_regions; |
| 4389 | } |
| 4390 | } |
Stephen Hemminger | d1f3d4d | 2006-01-17 13:43:11 -0800 | [diff] [blame] | 4391 | |
Stephen Hemminger | 3834507 | 2009-02-03 11:27:30 +0000 | [diff] [blame] | 4392 | /* Get configuration information |
| 4393 | * Note: only regular PCI config access once to test for HW issues |
| 4394 | * other PCI access through shared memory for speed and to |
| 4395 | * avoid MMCONFIG problems. |
| 4396 | */ |
| 4397 | err = pci_read_config_dword(pdev, PCI_DEV_REG2, ®); |
| 4398 | if (err) { |
| 4399 | dev_err(&pdev->dev, "PCI read config failed\n"); |
| 4400 | goto err_out_free_regions; |
| 4401 | } |
| 4402 | |
| 4403 | /* size of available VPD, only impact sysfs */ |
| 4404 | err = pci_vpd_truncate(pdev, 1ul << (((reg & PCI_VPD_ROM_SZ) >> 14) + 8)); |
| 4405 | if (err) |
| 4406 | dev_warn(&pdev->dev, "Can't set VPD size\n"); |
| 4407 | |
| 4408 | #ifdef __BIG_ENDIAN |
| 4409 | /* The sk98lin vendor driver uses hardware byte swapping but |
| 4410 | * this driver uses software swapping. |
| 4411 | */ |
| 4412 | reg &= ~PCI_REV_DESC; |
| 4413 | err = pci_write_config_dword(pdev,PCI_DEV_REG2, reg); |
| 4414 | if (err) { |
| 4415 | dev_err(&pdev->dev, "PCI write config failed\n"); |
| 4416 | goto err_out_free_regions; |
| 4417 | } |
| 4418 | #endif |
| 4419 | |
Rafael J. Wysocki | 9d731d7 | 2008-10-12 20:59:48 -0700 | [diff] [blame] | 4420 | wol_default = device_may_wakeup(&pdev->dev) ? WAKE_MAGIC : 0; |
Stephen Hemminger | be63a21 | 2008-01-15 11:29:29 -0800 | [diff] [blame] | 4421 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4422 | err = -ENOMEM; |
Stephen Hemminger | 6aad85d | 2006-01-17 13:43:18 -0800 | [diff] [blame] | 4423 | hw = kzalloc(sizeof(*hw), GFP_KERNEL); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4424 | if (!hw) { |
Stephen Hemminger | b02a925 | 2007-02-06 10:45:40 -0800 | [diff] [blame] | 4425 | dev_err(&pdev->dev, "cannot allocate hardware struct\n"); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4426 | goto err_out_free_regions; |
| 4427 | } |
| 4428 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4429 | hw->pdev = pdev; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4430 | |
| 4431 | hw->regs = ioremap_nocache(pci_resource_start(pdev, 0), 0x4000); |
| 4432 | if (!hw->regs) { |
Stephen Hemminger | b02a925 | 2007-02-06 10:45:40 -0800 | [diff] [blame] | 4433 | dev_err(&pdev->dev, "cannot map device registers\n"); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4434 | goto err_out_free_hw; |
| 4435 | } |
| 4436 | |
Stephen Hemminger | 08c06d8 | 2006-01-30 11:37:54 -0800 | [diff] [blame] | 4437 | /* ring for status responses */ |
Stephen Hemminger | 167f53d | 2007-09-25 19:01:02 -0700 | [diff] [blame] | 4438 | hw->st_le = pci_alloc_consistent(pdev, STATUS_LE_BYTES, &hw->st_dma); |
Stephen Hemminger | 08c06d8 | 2006-01-30 11:37:54 -0800 | [diff] [blame] | 4439 | if (!hw->st_le) |
| 4440 | goto err_out_iounmap; |
| 4441 | |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 4442 | err = sky2_init(hw); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4443 | if (err) |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4444 | goto err_out_iounmap; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4445 | |
Stephen Hemminger | c844d48 | 2008-08-27 20:48:23 -0700 | [diff] [blame] | 4446 | dev_info(&pdev->dev, "Yukon-2 %s chip revision %d\n", |
| 4447 | sky2_name(hw->chip_id, buf1, sizeof(buf1)), hw->chip_rev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4448 | |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 4449 | sky2_reset(hw); |
| 4450 | |
Stephen Hemminger | be63a21 | 2008-01-15 11:29:29 -0800 | [diff] [blame] | 4451 | dev = sky2_init_netdev(hw, 0, using_dac, wol_default); |
shemminger@linux-foundation.org | 7f60c64 | 2007-01-26 11:38:36 -0800 | [diff] [blame] | 4452 | if (!dev) { |
| 4453 | err = -ENOMEM; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4454 | goto err_out_free_pci; |
shemminger@linux-foundation.org | 7f60c64 | 2007-01-26 11:38:36 -0800 | [diff] [blame] | 4455 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4456 | |
Stephen Hemminger | 9fa1b1f | 2006-09-26 11:57:40 -0700 | [diff] [blame] | 4457 | if (!disable_msi && pci_enable_msi(pdev) == 0) { |
| 4458 | err = sky2_test_msi(hw); |
| 4459 | if (err == -EOPNOTSUPP) |
| 4460 | pci_disable_msi(pdev); |
| 4461 | else if (err) |
| 4462 | goto err_out_free_netdev; |
| 4463 | } |
| 4464 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4465 | err = register_netdev(dev); |
| 4466 | if (err) { |
Stephen Hemminger | b02a925 | 2007-02-06 10:45:40 -0800 | [diff] [blame] | 4467 | dev_err(&pdev->dev, "cannot register net device\n"); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4468 | goto err_out_free_netdev; |
| 4469 | } |
| 4470 | |
Stephen Hemminger | 6de1623 | 2007-10-17 13:26:42 -0700 | [diff] [blame] | 4471 | netif_napi_add(dev, &hw->napi, sky2_poll, NAPI_WEIGHT); |
| 4472 | |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 4473 | err = request_irq(pdev->irq, sky2_intr, |
| 4474 | (hw->flags & SKY2_HW_USE_MSI) ? 0 : IRQF_SHARED, |
Stephen Hemminger | b0a20de | 2006-12-01 14:29:37 -0800 | [diff] [blame] | 4475 | dev->name, hw); |
Stephen Hemminger | 9fa1b1f | 2006-09-26 11:57:40 -0700 | [diff] [blame] | 4476 | if (err) { |
Stephen Hemminger | b02a925 | 2007-02-06 10:45:40 -0800 | [diff] [blame] | 4477 | dev_err(&pdev->dev, "cannot assign irq %d\n", pdev->irq); |
Stephen Hemminger | 9fa1b1f | 2006-09-26 11:57:40 -0700 | [diff] [blame] | 4478 | goto err_out_unregister; |
| 4479 | } |
| 4480 | sky2_write32(hw, B0_IMSK, Y2_IS_BASE); |
Stephen Hemminger | 6de1623 | 2007-10-17 13:26:42 -0700 | [diff] [blame] | 4481 | napi_enable(&hw->napi); |
Stephen Hemminger | 9fa1b1f | 2006-09-26 11:57:40 -0700 | [diff] [blame] | 4482 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4483 | sky2_show_addr(dev); |
| 4484 | |
shemminger@linux-foundation.org | 7f60c64 | 2007-01-26 11:38:36 -0800 | [diff] [blame] | 4485 | if (hw->ports > 1) { |
| 4486 | struct net_device *dev1; |
| 4487 | |
Stephen Hemminger | be63a21 | 2008-01-15 11:29:29 -0800 | [diff] [blame] | 4488 | dev1 = sky2_init_netdev(hw, 1, using_dac, wol_default); |
Stephen Hemminger | b02a925 | 2007-02-06 10:45:40 -0800 | [diff] [blame] | 4489 | if (!dev1) |
| 4490 | dev_warn(&pdev->dev, "allocation for second device failed\n"); |
| 4491 | else if ((err = register_netdev(dev1))) { |
| 4492 | dev_warn(&pdev->dev, |
| 4493 | "register of second port failed (%d)\n", err); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4494 | hw->dev[1] = NULL; |
| 4495 | free_netdev(dev1); |
Stephen Hemminger | b02a925 | 2007-02-06 10:45:40 -0800 | [diff] [blame] | 4496 | } else |
| 4497 | sky2_show_addr(dev1); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4498 | } |
| 4499 | |
Stephen Hemminger | 32c2c30 | 2007-08-21 14:34:03 -0700 | [diff] [blame] | 4500 | setup_timer(&hw->watchdog_timer, sky2_watchdog, (unsigned long) hw); |
Stephen Hemminger | 8190679 | 2007-02-15 16:40:33 -0800 | [diff] [blame] | 4501 | INIT_WORK(&hw->restart_work, sky2_restart); |
| 4502 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4503 | pci_set_drvdata(pdev, hw); |
| 4504 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4505 | return 0; |
| 4506 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4507 | err_out_unregister: |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 4508 | if (hw->flags & SKY2_HW_USE_MSI) |
Stephen Hemminger | b0a20de | 2006-12-01 14:29:37 -0800 | [diff] [blame] | 4509 | pci_disable_msi(pdev); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4510 | unregister_netdev(dev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4511 | err_out_free_netdev: |
| 4512 | free_netdev(dev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4513 | err_out_free_pci: |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4514 | sky2_write8(hw, B0_CTST, CS_RST_SET); |
Stephen Hemminger | 167f53d | 2007-09-25 19:01:02 -0700 | [diff] [blame] | 4515 | 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] | 4516 | err_out_iounmap: |
| 4517 | iounmap(hw->regs); |
| 4518 | err_out_free_hw: |
| 4519 | kfree(hw); |
| 4520 | err_out_free_regions: |
| 4521 | pci_release_regions(pdev); |
Stephen Hemminger | 44a1d2e | 2007-04-30 14:23:49 -0700 | [diff] [blame] | 4522 | err_out_disable: |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4523 | pci_disable_device(pdev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4524 | err_out: |
Stephen Hemminger | 549a68c | 2007-05-11 11:21:44 -0700 | [diff] [blame] | 4525 | pci_set_drvdata(pdev, NULL); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4526 | return err; |
| 4527 | } |
| 4528 | |
| 4529 | static void __devexit sky2_remove(struct pci_dev *pdev) |
| 4530 | { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4531 | struct sky2_hw *hw = pci_get_drvdata(pdev); |
Stephen Hemminger | 6de1623 | 2007-10-17 13:26:42 -0700 | [diff] [blame] | 4532 | int i; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4533 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4534 | if (!hw) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4535 | return; |
| 4536 | |
Stephen Hemminger | 32c2c30 | 2007-08-21 14:34:03 -0700 | [diff] [blame] | 4537 | del_timer_sync(&hw->watchdog_timer); |
Stephen Hemminger | 6de1623 | 2007-10-17 13:26:42 -0700 | [diff] [blame] | 4538 | cancel_work_sync(&hw->restart_work); |
Stephen Hemminger | d27ed38 | 2006-04-25 10:58:51 -0700 | [diff] [blame] | 4539 | |
Stephen Hemminger | b877fe2 | 2007-10-22 13:39:09 -0700 | [diff] [blame] | 4540 | for (i = hw->ports-1; i >= 0; --i) |
Stephen Hemminger | 6de1623 | 2007-10-17 13:26:42 -0700 | [diff] [blame] | 4541 | unregister_netdev(hw->dev[i]); |
Stephen Hemminger | 8190679 | 2007-02-15 16:40:33 -0800 | [diff] [blame] | 4542 | |
Stephen Hemminger | d27ed38 | 2006-04-25 10:58:51 -0700 | [diff] [blame] | 4543 | sky2_write32(hw, B0_IMSK, 0); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4544 | |
Stephen Hemminger | ae306cc | 2006-12-20 13:06:36 -0800 | [diff] [blame] | 4545 | sky2_power_aux(hw); |
| 4546 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4547 | sky2_write16(hw, B0_Y2LED, LED_STAT_OFF); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4548 | sky2_write8(hw, B0_CTST, CS_RST_SET); |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 4549 | sky2_read8(hw, B0_CTST); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4550 | |
| 4551 | free_irq(pdev->irq, hw); |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 4552 | if (hw->flags & SKY2_HW_USE_MSI) |
Stephen Hemminger | b0a20de | 2006-12-01 14:29:37 -0800 | [diff] [blame] | 4553 | pci_disable_msi(pdev); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4554 | 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] | 4555 | pci_release_regions(pdev); |
| 4556 | pci_disable_device(pdev); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4557 | |
Stephen Hemminger | b877fe2 | 2007-10-22 13:39:09 -0700 | [diff] [blame] | 4558 | for (i = hw->ports-1; i >= 0; --i) |
Stephen Hemminger | 6de1623 | 2007-10-17 13:26:42 -0700 | [diff] [blame] | 4559 | free_netdev(hw->dev[i]); |
| 4560 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4561 | iounmap(hw->regs); |
| 4562 | kfree(hw); |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 4563 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4564 | pci_set_drvdata(pdev, NULL); |
| 4565 | } |
| 4566 | |
| 4567 | #ifdef CONFIG_PM |
| 4568 | static int sky2_suspend(struct pci_dev *pdev, pm_message_t state) |
| 4569 | { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4570 | struct sky2_hw *hw = pci_get_drvdata(pdev); |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 4571 | int i, wol = 0; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4572 | |
Stephen Hemminger | 549a68c | 2007-05-11 11:21:44 -0700 | [diff] [blame] | 4573 | if (!hw) |
| 4574 | return 0; |
| 4575 | |
Stephen Hemminger | 063a0b3 | 2008-04-02 09:03:23 -0700 | [diff] [blame] | 4576 | del_timer_sync(&hw->watchdog_timer); |
| 4577 | cancel_work_sync(&hw->restart_work); |
| 4578 | |
Stephen Hemminger | f05267e | 2006-06-13 17:17:28 +0900 | [diff] [blame] | 4579 | for (i = 0; i < hw->ports; i++) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4580 | struct net_device *dev = hw->dev[i]; |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 4581 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4582 | |
Stephen Hemminger | 063a0b3 | 2008-04-02 09:03:23 -0700 | [diff] [blame] | 4583 | netif_device_detach(dev); |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 4584 | if (netif_running(dev)) |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 4585 | sky2_down(dev); |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 4586 | |
| 4587 | if (sky2->wol) |
| 4588 | sky2_wol_init(sky2); |
| 4589 | |
| 4590 | wol |= sky2->wol; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4591 | } |
| 4592 | |
Stephen Hemminger | 8ab8fca | 2006-06-13 17:17:30 +0900 | [diff] [blame] | 4593 | sky2_write32(hw, B0_IMSK, 0); |
Stephen Hemminger | 6de1623 | 2007-10-17 13:26:42 -0700 | [diff] [blame] | 4594 | napi_disable(&hw->napi); |
Stephen Hemminger | ae306cc | 2006-12-20 13:06:36 -0800 | [diff] [blame] | 4595 | sky2_power_aux(hw); |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 4596 | |
Linus Torvalds | d374c1c | 2006-06-12 12:53:27 -0700 | [diff] [blame] | 4597 | pci_save_state(pdev); |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 4598 | pci_enable_wake(pdev, pci_choose_state(pdev, state), wol); |
Stephen Hemminger | f71eb1a | 2008-08-04 13:33:37 -0700 | [diff] [blame] | 4599 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); |
Stephen Hemminger | ae306cc | 2006-12-20 13:06:36 -0800 | [diff] [blame] | 4600 | |
Stephen Hemminger | 2ccc99b | 2006-06-13 17:17:27 +0900 | [diff] [blame] | 4601 | return 0; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4602 | } |
| 4603 | |
| 4604 | static int sky2_resume(struct pci_dev *pdev) |
| 4605 | { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4606 | struct sky2_hw *hw = pci_get_drvdata(pdev); |
Stephen Hemminger | 08c06d8 | 2006-01-30 11:37:54 -0800 | [diff] [blame] | 4607 | int i, err; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4608 | |
Stephen Hemminger | 549a68c | 2007-05-11 11:21:44 -0700 | [diff] [blame] | 4609 | if (!hw) |
| 4610 | return 0; |
| 4611 | |
Stephen Hemminger | f71eb1a | 2008-08-04 13:33:37 -0700 | [diff] [blame] | 4612 | err = pci_set_power_state(pdev, PCI_D0); |
| 4613 | if (err) |
| 4614 | goto out; |
Stephen Hemminger | ae306cc | 2006-12-20 13:06:36 -0800 | [diff] [blame] | 4615 | |
| 4616 | err = pci_restore_state(pdev); |
| 4617 | if (err) |
| 4618 | goto out; |
| 4619 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4620 | pci_enable_wake(pdev, PCI_D0, 0); |
Stephen Hemminger | 1ad5b4a | 2007-04-07 16:02:27 -0700 | [diff] [blame] | 4621 | |
| 4622 | /* Re-enable all clocks */ |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 4623 | if (hw->chip_id == CHIP_ID_YUKON_EX || |
| 4624 | hw->chip_id == CHIP_ID_YUKON_EC_U || |
| 4625 | hw->chip_id == CHIP_ID_YUKON_FE_P) |
Stephen Hemminger | b32f40c | 2007-11-27 10:57:27 -0800 | [diff] [blame] | 4626 | sky2_pci_write32(hw, PCI_DEV_REG3, 0); |
Stephen Hemminger | 1ad5b4a | 2007-04-07 16:02:27 -0700 | [diff] [blame] | 4627 | |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 4628 | sky2_reset(hw); |
Stephen Hemminger | 8ab8fca | 2006-06-13 17:17:30 +0900 | [diff] [blame] | 4629 | sky2_write32(hw, B0_IMSK, Y2_IS_BASE); |
Stephen Hemminger | 6de1623 | 2007-10-17 13:26:42 -0700 | [diff] [blame] | 4630 | napi_enable(&hw->napi); |
Stephen Hemminger | 8ab8fca | 2006-06-13 17:17:30 +0900 | [diff] [blame] | 4631 | |
Stephen Hemminger | f05267e | 2006-06-13 17:17:28 +0900 | [diff] [blame] | 4632 | for (i = 0; i < hw->ports; i++) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4633 | struct net_device *dev = hw->dev[i]; |
Stephen Hemminger | 063a0b3 | 2008-04-02 09:03:23 -0700 | [diff] [blame] | 4634 | |
| 4635 | netif_device_attach(dev); |
Stephen Hemminger | 6a5706b | 2006-07-12 15:23:46 -0700 | [diff] [blame] | 4636 | if (netif_running(dev)) { |
Stephen Hemminger | 08c06d8 | 2006-01-30 11:37:54 -0800 | [diff] [blame] | 4637 | err = sky2_up(dev); |
| 4638 | if (err) { |
| 4639 | printk(KERN_ERR PFX "%s: could not up: %d\n", |
| 4640 | dev->name, err); |
Ben Hutchings | 68c2889 | 2008-05-31 16:52:52 +0100 | [diff] [blame] | 4641 | rtnl_lock(); |
Stephen Hemminger | 08c06d8 | 2006-01-30 11:37:54 -0800 | [diff] [blame] | 4642 | dev_close(dev); |
Ben Hutchings | 68c2889 | 2008-05-31 16:52:52 +0100 | [diff] [blame] | 4643 | rtnl_unlock(); |
Stephen Hemminger | eb35cf6 | 2006-06-13 17:17:31 +0900 | [diff] [blame] | 4644 | goto out; |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 4645 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4646 | } |
| 4647 | } |
Stephen Hemminger | eb35cf6 | 2006-06-13 17:17:31 +0900 | [diff] [blame] | 4648 | |
Stephen Hemminger | ae306cc | 2006-12-20 13:06:36 -0800 | [diff] [blame] | 4649 | return 0; |
Stephen Hemminger | 08c06d8 | 2006-01-30 11:37:54 -0800 | [diff] [blame] | 4650 | out: |
Stephen Hemminger | b02a925 | 2007-02-06 10:45:40 -0800 | [diff] [blame] | 4651 | dev_err(&pdev->dev, "resume failed (%d)\n", err); |
Stephen Hemminger | ae306cc | 2006-12-20 13:06:36 -0800 | [diff] [blame] | 4652 | pci_disable_device(pdev); |
Stephen Hemminger | 08c06d8 | 2006-01-30 11:37:54 -0800 | [diff] [blame] | 4653 | return err; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4654 | } |
| 4655 | #endif |
| 4656 | |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 4657 | static void sky2_shutdown(struct pci_dev *pdev) |
| 4658 | { |
| 4659 | struct sky2_hw *hw = pci_get_drvdata(pdev); |
| 4660 | int i, wol = 0; |
| 4661 | |
Stephen Hemminger | 549a68c | 2007-05-11 11:21:44 -0700 | [diff] [blame] | 4662 | if (!hw) |
| 4663 | return; |
| 4664 | |
Stephen Hemminger | 5c0d6b3 | 2007-10-14 13:25:22 -0700 | [diff] [blame] | 4665 | del_timer_sync(&hw->watchdog_timer); |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 4666 | |
| 4667 | for (i = 0; i < hw->ports; i++) { |
| 4668 | struct net_device *dev = hw->dev[i]; |
| 4669 | struct sky2_port *sky2 = netdev_priv(dev); |
| 4670 | |
| 4671 | if (sky2->wol) { |
| 4672 | wol = 1; |
| 4673 | sky2_wol_init(sky2); |
| 4674 | } |
| 4675 | } |
| 4676 | |
| 4677 | if (wol) |
| 4678 | sky2_power_aux(hw); |
| 4679 | |
| 4680 | pci_enable_wake(pdev, PCI_D3hot, wol); |
| 4681 | pci_enable_wake(pdev, PCI_D3cold, wol); |
| 4682 | |
| 4683 | pci_disable_device(pdev); |
Stephen Hemminger | f71eb1a | 2008-08-04 13:33:37 -0700 | [diff] [blame] | 4684 | pci_set_power_state(pdev, PCI_D3hot); |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 4685 | } |
| 4686 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4687 | static struct pci_driver sky2_driver = { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4688 | .name = DRV_NAME, |
| 4689 | .id_table = sky2_id_table, |
| 4690 | .probe = sky2_probe, |
| 4691 | .remove = __devexit_p(sky2_remove), |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4692 | #ifdef CONFIG_PM |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4693 | .suspend = sky2_suspend, |
| 4694 | .resume = sky2_resume, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4695 | #endif |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 4696 | .shutdown = sky2_shutdown, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4697 | }; |
| 4698 | |
| 4699 | static int __init sky2_init_module(void) |
| 4700 | { |
Stephen Hemminger | c844d48 | 2008-08-27 20:48:23 -0700 | [diff] [blame] | 4701 | pr_info(PFX "driver version " DRV_VERSION "\n"); |
| 4702 | |
Stephen Hemminger | 3cf2675 | 2007-07-09 15:33:35 -0700 | [diff] [blame] | 4703 | sky2_debug_init(); |
shemminger@osdl.org | 50241c4 | 2005-11-30 11:45:22 -0800 | [diff] [blame] | 4704 | return pci_register_driver(&sky2_driver); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4705 | } |
| 4706 | |
| 4707 | static void __exit sky2_cleanup_module(void) |
| 4708 | { |
| 4709 | pci_unregister_driver(&sky2_driver); |
Stephen Hemminger | 3cf2675 | 2007-07-09 15:33:35 -0700 | [diff] [blame] | 4710 | sky2_debug_cleanup(); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4711 | } |
| 4712 | |
| 4713 | module_init(sky2_init_module); |
| 4714 | module_exit(sky2_cleanup_module); |
| 4715 | |
| 4716 | MODULE_DESCRIPTION("Marvell Yukon 2 Gigabit Ethernet driver"); |
Stephen Hemminger | 65ebe63 | 2007-01-23 11:38:57 -0800 | [diff] [blame] | 4717 | MODULE_AUTHOR("Stephen Hemminger <shemminger@linux-foundation.org>"); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4718 | MODULE_LICENSE("GPL"); |
shemminger@osdl.org | 5f4f9dc | 2005-11-30 11:45:23 -0800 | [diff] [blame] | 4719 | MODULE_VERSION(DRV_VERSION); |