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 | |
Joe Perches | ada1db5 | 2010-02-17 15:01:59 +0000 | [diff] [blame] | 25 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
| 26 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 27 | #include <linux/crc32.h> |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 28 | #include <linux/kernel.h> |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 29 | #include <linux/module.h> |
| 30 | #include <linux/netdevice.h> |
Andrew Morton | d0bbccf | 2005-11-10 15:29:27 -0800 | [diff] [blame] | 31 | #include <linux/dma-mapping.h> |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 32 | #include <linux/etherdevice.h> |
| 33 | #include <linux/ethtool.h> |
| 34 | #include <linux/pci.h> |
Alexey Dobriyan | a6b7a40 | 2011-06-06 10:43:46 +0000 | [diff] [blame] | 35 | #include <linux/interrupt.h> |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 36 | #include <linux/ip.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 37 | #include <linux/slab.h> |
Arnaldo Carvalho de Melo | c9bdd4b | 2007-03-12 20:09:15 -0300 | [diff] [blame] | 38 | #include <net/ip.h> |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 39 | #include <linux/tcp.h> |
| 40 | #include <linux/in.h> |
| 41 | #include <linux/delay.h> |
Stephen Hemminger | 91c86df | 2005-12-09 11:34:57 -0800 | [diff] [blame] | 42 | #include <linux/workqueue.h> |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 43 | #include <linux/if_vlan.h> |
Stephen Hemminger | d70cd51 | 2005-12-09 11:35:09 -0800 | [diff] [blame] | 44 | #include <linux/prefetch.h> |
Stephen Hemminger | 3cf2675 | 2007-07-09 15:33:35 -0700 | [diff] [blame] | 45 | #include <linux/debugfs.h> |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 46 | #include <linux/mii.h> |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 47 | |
| 48 | #include <asm/irq.h> |
| 49 | |
| 50 | #include "sky2.h" |
| 51 | |
| 52 | #define DRV_NAME "sky2" |
stephen hemminger | 4ec8f0c | 2011-07-07 05:51:00 +0000 | [diff] [blame] | 53 | #define DRV_VERSION "1.29" |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 54 | |
| 55 | /* |
| 56 | * The Yukon II chipset takes 64 bit command blocks (called list elements) |
| 57 | * that are organized into three (receive, transmit, status) different rings |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 58 | * similar to Tigon3. |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 59 | */ |
| 60 | |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 61 | #define RX_LE_SIZE 1024 |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 62 | #define RX_LE_BYTES (RX_LE_SIZE*sizeof(struct sky2_rx_le)) |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 63 | #define RX_MAX_PENDING (RX_LE_SIZE/6 - 2) |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 64 | #define RX_DEF_PENDING RX_MAX_PENDING |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 65 | |
Stephen Hemminger | ee5f68f | 2009-08-18 15:17:08 +0000 | [diff] [blame] | 66 | /* This is the worst case number of transmit list elements for a single skb: |
Stephen Hemminger | 07e3163 | 2009-09-14 06:12:55 +0000 | [diff] [blame] | 67 | VLAN:GSO + CKSUM + Data + skb_frags * DMA */ |
| 68 | #define MAX_SKB_TX_LE (2 + (sizeof(dma_addr_t)/sizeof(u32))*(MAX_SKB_FRAGS+1)) |
Stephen Hemminger | e9c1be8 | 2009-06-17 07:30:37 +0000 | [diff] [blame] | 69 | #define TX_MIN_PENDING (MAX_SKB_TX_LE+1) |
stephen hemminger | efe9193 | 2010-04-22 13:42:56 +0000 | [diff] [blame] | 70 | #define TX_MAX_PENDING 1024 |
Stephen Hemminger | ee5f68f | 2009-08-18 15:17:08 +0000 | [diff] [blame] | 71 | #define TX_DEF_PENDING 127 |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 72 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 73 | #define TX_WATCHDOG (5 * HZ) |
| 74 | #define NAPI_WEIGHT 64 |
| 75 | #define PHY_RETRIES 1000 |
| 76 | |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 77 | #define SKY2_EEPROM_MAGIC 0x9955aabb |
| 78 | |
Mike McCormack | 060b946 | 2010-07-29 03:34:52 +0000 | [diff] [blame] | 79 | #define RING_NEXT(x, s) (((x)+1) & ((s)-1)) |
Stephen Hemminger | cb5d954 | 2006-05-08 15:11:29 -0700 | [diff] [blame] | 80 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 81 | static const u32 default_msg = |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 82 | NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK |
| 83 | | NETIF_MSG_TIMER | NETIF_MSG_TX_ERR | NETIF_MSG_RX_ERR |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 84 | | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 85 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 86 | static int debug = -1; /* defaults above */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 87 | module_param(debug, int, 0); |
| 88 | MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)"); |
| 89 | |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 90 | static int copybreak __read_mostly = 128; |
Stephen Hemminger | bdb5c58 | 2005-12-09 11:34:55 -0800 | [diff] [blame] | 91 | module_param(copybreak, int, 0); |
| 92 | MODULE_PARM_DESC(copybreak, "Receive copy threshold"); |
| 93 | |
Stephen Hemminger | fb2690a9 | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 94 | static int disable_msi = 0; |
| 95 | module_param(disable_msi, int, 0); |
| 96 | MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)"); |
| 97 | |
Stephen Hemminger | e6cac9b | 2008-06-17 09:04:26 -0700 | [diff] [blame] | 98 | static DEFINE_PCI_DEVICE_TABLE(sky2_id_table) = { |
Stephen Hemminger | e5b74c7 | 2006-12-04 15:53:36 -0800 | [diff] [blame] | 99 | { PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9000) }, /* SK-9Sxx */ |
| 100 | { PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9E00) }, /* SK-9Exx */ |
Stephen Hemminger | e30a4ac | 2009-10-29 06:37:05 +0000 | [diff] [blame] | 101 | { PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9E01) }, /* SK-9E21M */ |
Stephen Hemminger | 2d2a387 | 2006-05-17 14:37:04 -0700 | [diff] [blame] | 102 | { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4b00) }, /* DGE-560T */ |
Stephen Hemminger | 2f4a66a | 2006-09-01 14:52:04 -0700 | [diff] [blame] | 103 | { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4001) }, /* DGE-550SX */ |
Stephen Hemminger | 508f89e | 2006-12-01 14:29:34 -0800 | [diff] [blame] | 104 | { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4B02) }, /* DGE-560SX */ |
Stephen Hemminger | f1a0b6f | 2007-02-06 10:45:44 -0800 | [diff] [blame] | 105 | { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4B03) }, /* DGE-550T */ |
Stephen Hemminger | e5b74c7 | 2006-12-04 15:53:36 -0800 | [diff] [blame] | 106 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4340) }, /* 88E8021 */ |
| 107 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4341) }, /* 88E8022 */ |
| 108 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4342) }, /* 88E8061 */ |
| 109 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4343) }, /* 88E8062 */ |
| 110 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4344) }, /* 88E8021 */ |
| 111 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4345) }, /* 88E8022 */ |
| 112 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4346) }, /* 88E8061 */ |
| 113 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4347) }, /* 88E8062 */ |
| 114 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4350) }, /* 88E8035 */ |
| 115 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4351) }, /* 88E8036 */ |
| 116 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4352) }, /* 88E8038 */ |
| 117 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4353) }, /* 88E8039 */ |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 118 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4354) }, /* 88E8040 */ |
Stephen Hemminger | a3b4fce | 2008-06-14 10:32:15 -0700 | [diff] [blame] | 119 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4355) }, /* 88E8040T */ |
Stephen Hemminger | e5b74c7 | 2006-12-04 15:53:36 -0800 | [diff] [blame] | 120 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4356) }, /* 88EC033 */ |
Stephen Hemminger | 5a37a68 | 2007-11-08 08:20:17 -0800 | [diff] [blame] | 121 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4357) }, /* 88E8042 */ |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 122 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x435A) }, /* 88E8048 */ |
Stephen Hemminger | e5b74c7 | 2006-12-04 15:53:36 -0800 | [diff] [blame] | 123 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4360) }, /* 88E8052 */ |
| 124 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4361) }, /* 88E8050 */ |
| 125 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4362) }, /* 88E8053 */ |
| 126 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4363) }, /* 88E8055 */ |
| 127 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4364) }, /* 88E8056 */ |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 128 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4365) }, /* 88E8070 */ |
Stephen Hemminger | e5b74c7 | 2006-12-04 15:53:36 -0800 | [diff] [blame] | 129 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4366) }, /* 88EC036 */ |
| 130 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4367) }, /* 88EC032 */ |
| 131 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4368) }, /* 88EC034 */ |
Stephen Hemminger | f1a0b6f | 2007-02-06 10:45:44 -0800 | [diff] [blame] | 132 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4369) }, /* 88EC042 */ |
| 133 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x436A) }, /* 88E8058 */ |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 134 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x436B) }, /* 88E8071 */ |
Stephen Hemminger | 5a37a68 | 2007-11-08 08:20:17 -0800 | [diff] [blame] | 135 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x436C) }, /* 88E8072 */ |
Stephen Hemminger | ed4d416 | 2008-01-10 16:14:14 -0800 | [diff] [blame] | 136 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x436D) }, /* 88E8055 */ |
| 137 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4370) }, /* 88E8075 */ |
Stephen Hemminger | 0ce8b98 | 2008-06-17 09:04:27 -0700 | [diff] [blame] | 138 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4380) }, /* 88E8057 */ |
Stephen Hemminger | 0f5aac7 | 2009-10-29 06:37:09 +0000 | [diff] [blame] | 139 | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4381) }, /* 88E8059 */ |
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 | |
Mike McCormack | 060b946 | 2010-07-29 03:34:52 +0000 | [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 | 4b7c47a | 2010-03-29 07:36:19 +0000 | [diff] [blame] | 224 | if (hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev > CHIP_REV_YU_XL_A1) |
Stephen Hemminger | ae306cc | 2006-12-20 13:06:36 -0800 | [diff] [blame] | 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 | |
stephen hemminger | 5f8ae5c | 2010-02-12 06:57:59 +0000 | [diff] [blame] | 250 | sky2_write16(hw, B0_CTST, Y2_HW_WOL_ON); |
| 251 | |
Stephen Hemminger | 8f70920 | 2007-06-04 17:23:25 -0700 | [diff] [blame] | 252 | /* Enable workaround for dev 4.107 on Yukon-Ultra & Extreme */ |
| 253 | reg = sky2_read32(hw, B2_GP_IO); |
| 254 | reg |= GLB_GPIO_STAT_RACE_DIS; |
| 255 | sky2_write32(hw, B2_GP_IO, reg); |
Stephen Hemminger | b234577 | 2007-08-21 14:34:02 -0700 | [diff] [blame] | 256 | |
| 257 | sky2_read32(hw, B2_GP_IO); |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 258 | } |
Stephen Hemminger | 10547ae | 2009-08-31 07:31:41 +0000 | [diff] [blame] | 259 | |
| 260 | /* Turn on "driver loaded" LED */ |
| 261 | sky2_write16(hw, B0_CTST, Y2_LED_STAT_ON); |
Stephen Hemminger | ae306cc | 2006-12-20 13:06:36 -0800 | [diff] [blame] | 262 | } |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 263 | |
Stephen Hemminger | ae306cc | 2006-12-20 13:06:36 -0800 | [diff] [blame] | 264 | static void sky2_power_aux(struct sky2_hw *hw) |
| 265 | { |
stephen hemminger | 4b7c47a | 2010-03-29 07:36:19 +0000 | [diff] [blame] | 266 | if (hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev > CHIP_REV_YU_XL_A1) |
Stephen Hemminger | ae306cc | 2006-12-20 13:06:36 -0800 | [diff] [blame] | 267 | sky2_write8(hw, B2_Y2_CLK_GATE, 0); |
| 268 | else |
| 269 | /* enable bits are inverted */ |
| 270 | sky2_write8(hw, B2_Y2_CLK_GATE, |
| 271 | Y2_PCI_CLK_LNK1_DIS | Y2_COR_CLK_LNK1_DIS | |
| 272 | Y2_CLK_GAT_LNK1_DIS | Y2_PCI_CLK_LNK2_DIS | |
| 273 | Y2_COR_CLK_LNK2_DIS | Y2_CLK_GAT_LNK2_DIS); |
| 274 | |
Stephen Hemminger | c23ddf8 | 2009-09-03 06:16:25 +0000 | [diff] [blame] | 275 | /* switch power to VAUX if supported and PME from D3cold */ |
| 276 | if ( (sky2_read32(hw, B0_CTST) & Y2_VAUX_AVAIL) && |
| 277 | pci_pme_capable(hw->pdev, PCI_D3cold)) |
Stephen Hemminger | ae306cc | 2006-12-20 13:06:36 -0800 | [diff] [blame] | 278 | sky2_write8(hw, B0_POWER_CTRL, |
| 279 | (PC_VAUX_ENA | PC_VCC_ENA | |
| 280 | PC_VAUX_ON | PC_VCC_OFF)); |
Stephen Hemminger | 10547ae | 2009-08-31 07:31:41 +0000 | [diff] [blame] | 281 | |
| 282 | /* turn off "driver loaded LED" */ |
| 283 | sky2_write16(hw, B0_CTST, Y2_LED_STAT_OFF); |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 284 | } |
| 285 | |
shemminger@osdl.org | d3bcfbe | 2006-08-28 10:00:51 -0700 | [diff] [blame] | 286 | static void sky2_gmac_reset(struct sky2_hw *hw, unsigned port) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 287 | { |
| 288 | u16 reg; |
| 289 | |
| 290 | /* disable all GMAC IRQ's */ |
| 291 | sky2_write8(hw, SK_REG(port, GMAC_IRQ_MSK), 0); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 292 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 293 | gma_write16(hw, port, GM_MC_ADDR_H1, 0); /* clear MC hash */ |
| 294 | gma_write16(hw, port, GM_MC_ADDR_H2, 0); |
| 295 | gma_write16(hw, port, GM_MC_ADDR_H3, 0); |
| 296 | gma_write16(hw, port, GM_MC_ADDR_H4, 0); |
| 297 | |
| 298 | reg = gma_read16(hw, port, GM_RX_CTRL); |
| 299 | reg |= GM_RXCR_UCF_ENA | GM_RXCR_MCF_ENA; |
| 300 | gma_write16(hw, port, GM_RX_CTRL, reg); |
| 301 | } |
| 302 | |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 303 | /* flow control to advertise bits */ |
| 304 | static const u16 copper_fc_adv[] = { |
| 305 | [FC_NONE] = 0, |
| 306 | [FC_TX] = PHY_M_AN_ASP, |
| 307 | [FC_RX] = PHY_M_AN_PC, |
| 308 | [FC_BOTH] = PHY_M_AN_PC | PHY_M_AN_ASP, |
| 309 | }; |
| 310 | |
| 311 | /* flow control to advertise bits when using 1000BaseX */ |
| 312 | static const u16 fiber_fc_adv[] = { |
Stephen Hemminger | df3fe1f | 2007-10-11 19:48:04 -0700 | [diff] [blame] | 313 | [FC_NONE] = PHY_M_P_NO_PAUSE_X, |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 314 | [FC_TX] = PHY_M_P_ASYM_MD_X, |
| 315 | [FC_RX] = PHY_M_P_SYM_MD_X, |
Stephen Hemminger | df3fe1f | 2007-10-11 19:48:04 -0700 | [diff] [blame] | 316 | [FC_BOTH] = PHY_M_P_BOTH_MD_X, |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 317 | }; |
| 318 | |
| 319 | /* flow control to GMA disable bits */ |
| 320 | static const u16 gm_fc_disable[] = { |
| 321 | [FC_NONE] = GM_GPCR_FC_RX_DIS | GM_GPCR_FC_TX_DIS, |
| 322 | [FC_TX] = GM_GPCR_FC_RX_DIS, |
| 323 | [FC_RX] = GM_GPCR_FC_TX_DIS, |
| 324 | [FC_BOTH] = 0, |
| 325 | }; |
| 326 | |
| 327 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 328 | static void sky2_phy_init(struct sky2_hw *hw, unsigned port) |
| 329 | { |
| 330 | struct sky2_port *sky2 = netdev_priv(hw->dev[port]); |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 331 | u16 ctrl, ct1000, adv, pg, ledctrl, ledover, reg; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 332 | |
Stephen Hemminger | 0ea065e | 2009-08-14 15:36:41 -0700 | [diff] [blame] | 333 | if ( (sky2->flags & SKY2_FLAG_AUTO_SPEED) && |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 334 | !(hw->flags & SKY2_HW_NEWER_PHY)) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 335 | u16 ectrl = gm_phy_read(hw, port, PHY_MARV_EXT_CTRL); |
| 336 | |
| 337 | 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] | 338 | PHY_M_EC_MAC_S_MSK); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 339 | ectrl |= PHY_M_EC_MAC_S(MAC_TX_CLK_25_MHZ); |
| 340 | |
Stephen Hemminger | 53419c6 | 2007-05-14 12:38:11 -0700 | [diff] [blame] | 341 | /* on PHY 88E1040 Rev.D0 (and newer) downshift control changed */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 342 | if (hw->chip_id == CHIP_ID_YUKON_EC) |
Stephen Hemminger | 53419c6 | 2007-05-14 12:38:11 -0700 | [diff] [blame] | 343 | /* set downshift counter to 3x and enable downshift */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 344 | ectrl |= PHY_M_EC_DSC_2(2) | PHY_M_EC_DOWN_S_ENA; |
| 345 | else |
Stephen Hemminger | 53419c6 | 2007-05-14 12:38:11 -0700 | [diff] [blame] | 346 | /* set master & slave downshift counter to 1x */ |
| 347 | 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] | 348 | |
| 349 | gm_phy_write(hw, port, PHY_MARV_EXT_CTRL, ectrl); |
| 350 | } |
| 351 | |
| 352 | ctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL); |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 353 | if (sky2_is_copper(hw)) { |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 354 | if (!(hw->flags & SKY2_HW_GIGABIT)) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 355 | /* enable automatic crossover */ |
| 356 | ctrl |= PHY_M_PC_MDI_XMODE(PHY_M_PC_ENA_AUTO) >> 1; |
Stephen Hemminger | 6d3105d | 2007-09-24 19:34:51 -0700 | [diff] [blame] | 357 | |
| 358 | if (hw->chip_id == CHIP_ID_YUKON_FE_P && |
| 359 | hw->chip_rev == CHIP_REV_YU_FE2_A0) { |
| 360 | u16 spec; |
| 361 | |
| 362 | /* Enable Class A driver for FE+ A0 */ |
| 363 | spec = gm_phy_read(hw, port, PHY_MARV_FE_SPEC_2); |
| 364 | spec |= PHY_M_FESC_SEL_CL_A; |
| 365 | gm_phy_write(hw, port, PHY_MARV_FE_SPEC_2, spec); |
| 366 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 367 | } else { |
stephen hemminger | 4fb99cd | 2011-07-07 05:50:59 +0000 | [diff] [blame] | 368 | if (hw->chip_id >= CHIP_ID_YUKON_OPT) { |
| 369 | u16 ctrl2 = gm_phy_read(hw, port, PHY_MARV_EXT_CTRL_2); |
| 370 | |
| 371 | /* enable PHY Reverse Auto-Negotiation */ |
| 372 | ctrl2 |= 1u << 13; |
| 373 | |
| 374 | /* Write PHY changes (SW-reset must follow) */ |
| 375 | gm_phy_write(hw, port, PHY_MARV_EXT_CTRL_2, ctrl2); |
| 376 | } |
| 377 | |
| 378 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 379 | /* disable energy detect */ |
| 380 | ctrl &= ~PHY_M_PC_EN_DET_MSK; |
| 381 | |
| 382 | /* enable automatic crossover */ |
| 383 | ctrl |= PHY_M_PC_MDI_XMODE(PHY_M_PC_ENA_AUTO); |
| 384 | |
Stephen Hemminger | 53419c6 | 2007-05-14 12:38:11 -0700 | [diff] [blame] | 385 | /* downshift on PHY 88E1112 and 88E1149 is changed */ |
Joe Perches | 8e95a20 | 2009-12-03 07:58:21 +0000 | [diff] [blame] | 386 | if ( (sky2->flags & SKY2_FLAG_AUTO_SPEED) && |
| 387 | (hw->flags & SKY2_HW_NEWER_PHY)) { |
Stephen Hemminger | 53419c6 | 2007-05-14 12:38:11 -0700 | [diff] [blame] | 388 | /* set downshift counter to 3x and enable downshift */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 389 | ctrl &= ~PHY_M_PC_DSC_MSK; |
| 390 | ctrl |= PHY_M_PC_DSC(2) | PHY_M_PC_DOWN_S_ENA; |
| 391 | } |
| 392 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 393 | } else { |
| 394 | /* workaround for deviation #4.88 (CRC errors) */ |
| 395 | /* disable Automatic Crossover */ |
| 396 | |
| 397 | ctrl &= ~PHY_M_PC_MDIX_MSK; |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 398 | } |
| 399 | |
| 400 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl); |
| 401 | |
| 402 | /* special setup for PHY 88E1112 Fiber */ |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 403 | 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] | 404 | pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); |
| 405 | |
| 406 | /* Fiber: select 1000BASE-X only mode MAC Specific Ctrl Reg. */ |
| 407 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 2); |
| 408 | ctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL); |
| 409 | ctrl &= ~PHY_M_MAC_MD_MSK; |
| 410 | ctrl |= PHY_M_MAC_MODE_SEL(PHY_M_MAC_MD_1000BX); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 411 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl); |
| 412 | |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 413 | if (hw->pmd_type == 'P') { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 414 | /* select page 1 to access Fiber registers */ |
| 415 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 1); |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 416 | |
| 417 | /* for SFP-module set SIGDET polarity to low */ |
| 418 | ctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL); |
| 419 | ctrl |= PHY_M_FIB_SIGD_POL; |
Stephen Hemminger | 34dd962 | 2007-05-24 15:22:45 -0700 | [diff] [blame] | 420 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 421 | } |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 422 | |
| 423 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 424 | } |
| 425 | |
Stephen Hemminger | 7800fdd | 2006-10-17 10:24:10 -0700 | [diff] [blame] | 426 | ctrl = PHY_CT_RESET; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 427 | ct1000 = 0; |
| 428 | adv = PHY_AN_CSMA; |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 429 | reg = 0; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 430 | |
Stephen Hemminger | 0ea065e | 2009-08-14 15:36:41 -0700 | [diff] [blame] | 431 | if (sky2->flags & SKY2_FLAG_AUTO_SPEED) { |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 432 | if (sky2_is_copper(hw)) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 433 | if (sky2->advertising & ADVERTISED_1000baseT_Full) |
| 434 | ct1000 |= PHY_M_1000C_AFD; |
| 435 | if (sky2->advertising & ADVERTISED_1000baseT_Half) |
| 436 | ct1000 |= PHY_M_1000C_AHD; |
| 437 | if (sky2->advertising & ADVERTISED_100baseT_Full) |
| 438 | adv |= PHY_M_AN_100_FD; |
| 439 | if (sky2->advertising & ADVERTISED_100baseT_Half) |
| 440 | adv |= PHY_M_AN_100_HD; |
| 441 | if (sky2->advertising & ADVERTISED_10baseT_Full) |
| 442 | adv |= PHY_M_AN_10_FD; |
| 443 | if (sky2->advertising & ADVERTISED_10baseT_Half) |
| 444 | adv |= PHY_M_AN_10_HD; |
Stephen Hemminger | 709c6e7 | 2006-10-17 10:24:04 -0700 | [diff] [blame] | 445 | |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 446 | } else { /* special defines for FIBER (88E1040S only) */ |
| 447 | if (sky2->advertising & ADVERTISED_1000baseT_Full) |
| 448 | adv |= PHY_M_AN_1000X_AFD; |
| 449 | if (sky2->advertising & ADVERTISED_1000baseT_Half) |
| 450 | adv |= PHY_M_AN_1000X_AHD; |
Stephen Hemminger | 709c6e7 | 2006-10-17 10:24:04 -0700 | [diff] [blame] | 451 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 452 | |
| 453 | /* Restart Auto-negotiation */ |
| 454 | ctrl |= PHY_CT_ANE | PHY_CT_RE_CFG; |
| 455 | } else { |
| 456 | /* forced speed/duplex settings */ |
| 457 | ct1000 = PHY_M_1000C_MSE; |
| 458 | |
Stephen Hemminger | 0ea065e | 2009-08-14 15:36:41 -0700 | [diff] [blame] | 459 | /* Disable auto update for duplex flow control and duplex */ |
| 460 | reg |= GM_GPCR_AU_DUP_DIS | GM_GPCR_AU_SPD_DIS; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 461 | |
| 462 | switch (sky2->speed) { |
| 463 | case SPEED_1000: |
| 464 | ctrl |= PHY_CT_SP1000; |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 465 | reg |= GM_GPCR_SPEED_1000; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 466 | break; |
| 467 | case SPEED_100: |
| 468 | ctrl |= PHY_CT_SP100; |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 469 | reg |= GM_GPCR_SPEED_100; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 470 | break; |
| 471 | } |
| 472 | |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 473 | if (sky2->duplex == DUPLEX_FULL) { |
| 474 | reg |= GM_GPCR_DUP_FULL; |
| 475 | ctrl |= PHY_CT_DUP_MD; |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 476 | } else if (sky2->speed < SPEED_1000) |
| 477 | sky2->flow_mode = FC_NONE; |
Stephen Hemminger | 0ea065e | 2009-08-14 15:36:41 -0700 | [diff] [blame] | 478 | } |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 479 | |
Stephen Hemminger | 0ea065e | 2009-08-14 15:36:41 -0700 | [diff] [blame] | 480 | if (sky2->flags & SKY2_FLAG_AUTO_PAUSE) { |
| 481 | if (sky2_is_copper(hw)) |
| 482 | adv |= copper_fc_adv[sky2->flow_mode]; |
| 483 | else |
| 484 | adv |= fiber_fc_adv[sky2->flow_mode]; |
| 485 | } else { |
| 486 | reg |= GM_GPCR_AU_FCT_DIS; |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 487 | reg |= gm_fc_disable[sky2->flow_mode]; |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 488 | |
| 489 | /* Forward pause packets to GMAC? */ |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 490 | if (sky2->flow_mode & FC_RX) |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 491 | sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_PAUSE_ON); |
| 492 | else |
| 493 | sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_PAUSE_OFF); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 494 | } |
| 495 | |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 496 | gma_write16(hw, port, GM_GP_CTRL, reg); |
| 497 | |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 498 | if (hw->flags & SKY2_HW_GIGABIT) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 499 | gm_phy_write(hw, port, PHY_MARV_1000T_CTRL, ct1000); |
| 500 | |
| 501 | gm_phy_write(hw, port, PHY_MARV_AUNE_ADV, adv); |
| 502 | gm_phy_write(hw, port, PHY_MARV_CTRL, ctrl); |
| 503 | |
| 504 | /* Setup Phy LED's */ |
| 505 | ledctrl = PHY_M_LED_PULS_DUR(PULS_170MS); |
| 506 | ledover = 0; |
| 507 | |
| 508 | switch (hw->chip_id) { |
| 509 | case CHIP_ID_YUKON_FE: |
| 510 | /* on 88E3082 these bits are at 11..9 (shifted left) */ |
| 511 | ledctrl |= PHY_M_LED_BLINK_RT(BLINK_84MS) << 1; |
| 512 | |
| 513 | ctrl = gm_phy_read(hw, port, PHY_MARV_FE_LED_PAR); |
| 514 | |
| 515 | /* delete ACT LED control bits */ |
| 516 | ctrl &= ~PHY_M_FELP_LED1_MSK; |
| 517 | /* change ACT LED control to blink mode */ |
| 518 | ctrl |= PHY_M_FELP_LED1_CTRL(LED_PAR_CTRL_ACT_BL); |
| 519 | gm_phy_write(hw, port, PHY_MARV_FE_LED_PAR, ctrl); |
| 520 | break; |
| 521 | |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 522 | case CHIP_ID_YUKON_FE_P: |
| 523 | /* Enable Link Partner Next Page */ |
| 524 | ctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL); |
| 525 | ctrl |= PHY_M_PC_ENA_LIP_NP; |
| 526 | |
| 527 | /* disable Energy Detect and enable scrambler */ |
| 528 | ctrl &= ~(PHY_M_PC_ENA_ENE_DT | PHY_M_PC_DIS_SCRAMB); |
| 529 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl); |
| 530 | |
| 531 | /* set LED2 -> ACT, LED1 -> LINK, LED0 -> SPEED */ |
| 532 | ctrl = PHY_M_FELP_LED2_CTRL(LED_PAR_CTRL_ACT_BL) | |
| 533 | PHY_M_FELP_LED1_CTRL(LED_PAR_CTRL_LINK) | |
| 534 | PHY_M_FELP_LED0_CTRL(LED_PAR_CTRL_SPEED); |
| 535 | |
| 536 | gm_phy_write(hw, port, PHY_MARV_FE_LED_PAR, ctrl); |
| 537 | break; |
| 538 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 539 | case CHIP_ID_YUKON_XL: |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 540 | pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 541 | |
| 542 | /* select page 3 to access LED control register */ |
| 543 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 3); |
| 544 | |
| 545 | /* set LED Function Control register */ |
Stephen Hemminger | ed6d32c | 2006-05-08 15:11:33 -0700 | [diff] [blame] | 546 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, |
| 547 | (PHY_M_LEDC_LOS_CTRL(1) | /* LINK/ACT */ |
| 548 | PHY_M_LEDC_INIT_CTRL(7) | /* 10 Mbps */ |
| 549 | PHY_M_LEDC_STA1_CTRL(7) | /* 100 Mbps */ |
| 550 | PHY_M_LEDC_STA0_CTRL(7))); /* 1000 Mbps */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 551 | |
| 552 | /* set Polarity Control register */ |
| 553 | gm_phy_write(hw, port, PHY_MARV_PHY_STAT, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 554 | (PHY_M_POLC_LS1_P_MIX(4) | |
| 555 | PHY_M_POLC_IS0_P_MIX(4) | |
| 556 | PHY_M_POLC_LOS_CTRL(2) | |
| 557 | PHY_M_POLC_INIT_CTRL(2) | |
| 558 | PHY_M_POLC_STA1_CTRL(2) | |
| 559 | PHY_M_POLC_STA0_CTRL(2))); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 560 | |
| 561 | /* restore page register */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 562 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 563 | break; |
Stephen Hemminger | 9374549 | 2007-02-06 10:45:43 -0800 | [diff] [blame] | 564 | |
Stephen Hemminger | ed6d32c | 2006-05-08 15:11:33 -0700 | [diff] [blame] | 565 | case CHIP_ID_YUKON_EC_U: |
Stephen Hemminger | 9374549 | 2007-02-06 10:45:43 -0800 | [diff] [blame] | 566 | case CHIP_ID_YUKON_EX: |
Stephen Hemminger | ed4d416 | 2008-01-10 16:14:14 -0800 | [diff] [blame] | 567 | case CHIP_ID_YUKON_SUPR: |
Stephen Hemminger | ed6d32c | 2006-05-08 15:11:33 -0700 | [diff] [blame] | 568 | pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); |
| 569 | |
| 570 | /* select page 3 to access LED control register */ |
| 571 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 3); |
| 572 | |
| 573 | /* set LED Function Control register */ |
| 574 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, |
| 575 | (PHY_M_LEDC_LOS_CTRL(1) | /* LINK/ACT */ |
| 576 | PHY_M_LEDC_INIT_CTRL(8) | /* 10 Mbps */ |
| 577 | PHY_M_LEDC_STA1_CTRL(7) | /* 100 Mbps */ |
| 578 | PHY_M_LEDC_STA0_CTRL(7)));/* 1000 Mbps */ |
| 579 | |
| 580 | /* set Blink Rate in LED Timer Control Register */ |
| 581 | gm_phy_write(hw, port, PHY_MARV_INT_MASK, |
| 582 | ledctrl | PHY_M_LED_BLINK_RT(BLINK_84MS)); |
| 583 | /* restore page register */ |
| 584 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg); |
| 585 | break; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 586 | |
| 587 | default: |
| 588 | /* set Tx LED (LED_TX) to blink mode on Rx OR Tx activity */ |
| 589 | 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] | 590 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 591 | /* turn off the Rx LED (LED_RX) */ |
Stephen Hemminger | a84d0a3 | 2008-02-22 16:00:33 -0800 | [diff] [blame] | 592 | ledover |= PHY_M_LED_MO_RX(MO_LED_OFF); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 593 | } |
| 594 | |
Stephen Hemminger | 0ce8b98 | 2008-06-17 09:04:27 -0700 | [diff] [blame] | 595 | 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] | 596 | /* apply fixes in PHY AFE */ |
Stephen Hemminger | ed6d32c | 2006-05-08 15:11:33 -0700 | [diff] [blame] | 597 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 255); |
| 598 | |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 599 | /* increase differential signal amplitude in 10BASE-T */ |
Stephen Hemminger | ed6d32c | 2006-05-08 15:11:33 -0700 | [diff] [blame] | 600 | gm_phy_write(hw, port, 0x18, 0xaa99); |
| 601 | gm_phy_write(hw, port, 0x17, 0x2011); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 602 | |
Stephen Hemminger | 0ce8b98 | 2008-06-17 09:04:27 -0700 | [diff] [blame] | 603 | if (hw->chip_id == CHIP_ID_YUKON_EC_U) { |
| 604 | /* fix for IEEE A/B Symmetry failure in 1000BASE-T */ |
| 605 | gm_phy_write(hw, port, 0x18, 0xa204); |
| 606 | gm_phy_write(hw, port, 0x17, 0x2002); |
| 607 | } |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 608 | |
| 609 | /* set page register to 0 */ |
Stephen Hemminger | 9467a8f | 2007-04-07 16:02:28 -0700 | [diff] [blame] | 610 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 0); |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 611 | } else if (hw->chip_id == CHIP_ID_YUKON_FE_P && |
| 612 | hw->chip_rev == CHIP_REV_YU_FE2_A0) { |
| 613 | /* apply workaround for integrated resistors calibration */ |
| 614 | gm_phy_write(hw, port, PHY_MARV_PAGE_ADDR, 17); |
| 615 | gm_phy_write(hw, port, PHY_MARV_PAGE_DATA, 0x3f60); |
Stephen Hemminger | 0f5aac7 | 2009-10-29 06:37:09 +0000 | [diff] [blame] | 616 | } else if (hw->chip_id == CHIP_ID_YUKON_OPT && hw->chip_rev == 0) { |
| 617 | /* apply fixes in PHY AFE */ |
| 618 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 0x00ff); |
| 619 | |
| 620 | /* apply RDAC termination workaround */ |
| 621 | gm_phy_write(hw, port, 24, 0x2800); |
| 622 | gm_phy_write(hw, port, 23, 0x2001); |
| 623 | |
| 624 | /* set page register back to 0 */ |
| 625 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 0); |
Stephen Hemminger | e1a74b3 | 2008-06-17 09:04:24 -0700 | [diff] [blame] | 626 | } else if (hw->chip_id != CHIP_ID_YUKON_EX && |
| 627 | hw->chip_id < CHIP_ID_YUKON_SUPR) { |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 628 | /* no effect on Yukon-XL */ |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 629 | gm_phy_write(hw, port, PHY_MARV_LED_CTRL, ledctrl); |
| 630 | |
Joe Perches | 8e95a20 | 2009-12-03 07:58:21 +0000 | [diff] [blame] | 631 | if (!(sky2->flags & SKY2_FLAG_AUTO_SPEED) || |
| 632 | sky2->speed == SPEED_100) { |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 633 | /* turn on 100 Mbps LED (LED_LINK100) */ |
Stephen Hemminger | a84d0a3 | 2008-02-22 16:00:33 -0800 | [diff] [blame] | 634 | ledover |= PHY_M_LED_MO_100(MO_LED_ON); |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 635 | } |
| 636 | |
| 637 | if (ledover) |
| 638 | gm_phy_write(hw, port, PHY_MARV_LED_OVER, ledover); |
| 639 | |
stephen hemminger | 4fb99cd | 2011-07-07 05:50:59 +0000 | [diff] [blame] | 640 | } else if (hw->chip_id == CHIP_ID_YUKON_PRM && |
| 641 | (sky2_read8(hw, B2_MAC_CFG) & 0xf) == 0x7) { |
| 642 | int i; |
| 643 | /* This a phy register setup workaround copied from vendor driver. */ |
| 644 | static const struct { |
| 645 | u16 reg, val; |
| 646 | } eee_afe[] = { |
| 647 | { 0x156, 0x58ce }, |
| 648 | { 0x153, 0x99eb }, |
| 649 | { 0x141, 0x8064 }, |
| 650 | /* { 0x155, 0x130b },*/ |
| 651 | { 0x000, 0x0000 }, |
| 652 | { 0x151, 0x8433 }, |
| 653 | { 0x14b, 0x8c44 }, |
| 654 | { 0x14c, 0x0f90 }, |
| 655 | { 0x14f, 0x39aa }, |
| 656 | /* { 0x154, 0x2f39 },*/ |
| 657 | { 0x14d, 0xba33 }, |
| 658 | { 0x144, 0x0048 }, |
| 659 | { 0x152, 0x2010 }, |
| 660 | /* { 0x158, 0x1223 },*/ |
| 661 | { 0x140, 0x4444 }, |
| 662 | { 0x154, 0x2f3b }, |
| 663 | { 0x158, 0xb203 }, |
| 664 | { 0x157, 0x2029 }, |
| 665 | }; |
| 666 | |
| 667 | /* Start Workaround for OptimaEEE Rev.Z0 */ |
| 668 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 0x00fb); |
| 669 | |
| 670 | gm_phy_write(hw, port, 1, 0x4099); |
| 671 | gm_phy_write(hw, port, 3, 0x1120); |
| 672 | gm_phy_write(hw, port, 11, 0x113c); |
| 673 | gm_phy_write(hw, port, 14, 0x8100); |
| 674 | gm_phy_write(hw, port, 15, 0x112a); |
| 675 | gm_phy_write(hw, port, 17, 0x1008); |
| 676 | |
| 677 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 0x00fc); |
| 678 | gm_phy_write(hw, port, 1, 0x20b0); |
| 679 | |
| 680 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 0x00ff); |
| 681 | |
| 682 | for (i = 0; i < ARRAY_SIZE(eee_afe); i++) { |
| 683 | /* apply AFE settings */ |
| 684 | gm_phy_write(hw, port, 17, eee_afe[i].val); |
| 685 | gm_phy_write(hw, port, 16, eee_afe[i].reg | 1u<<13); |
| 686 | } |
| 687 | |
| 688 | /* End Workaround for OptimaEEE */ |
| 689 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 0); |
| 690 | |
| 691 | /* Enable 10Base-Te (EEE) */ |
| 692 | if (hw->chip_id >= CHIP_ID_YUKON_PRM) { |
| 693 | reg = gm_phy_read(hw, port, PHY_MARV_EXT_CTRL); |
| 694 | gm_phy_write(hw, port, PHY_MARV_EXT_CTRL, |
| 695 | reg | PHY_M_10B_TE_ENABLE); |
| 696 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 697 | } |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 698 | |
shemminger@osdl.org | d571b69 | 2005-10-26 12:16:09 -0700 | [diff] [blame] | 699 | /* Enable phy interrupt on auto-negotiation complete (or link up) */ |
Stephen Hemminger | 0ea065e | 2009-08-14 15:36:41 -0700 | [diff] [blame] | 700 | if (sky2->flags & SKY2_FLAG_AUTO_SPEED) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 701 | gm_phy_write(hw, port, PHY_MARV_INT_MASK, PHY_M_IS_AN_COMPL); |
| 702 | else |
| 703 | gm_phy_write(hw, port, PHY_MARV_INT_MASK, PHY_M_DEF_MSK); |
| 704 | } |
| 705 | |
Stephen Hemminger | b96936da7 | 2008-05-14 17:04:15 -0700 | [diff] [blame] | 706 | static const u32 phy_power[] = { PCI_Y2_PHY1_POWD, PCI_Y2_PHY2_POWD }; |
| 707 | static const u32 coma_mode[] = { PCI_Y2_PHY1_COMA, PCI_Y2_PHY2_COMA }; |
| 708 | |
| 709 | 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] | 710 | { |
| 711 | u32 reg1; |
shemminger@osdl.org | d3bcfbe | 2006-08-28 10:00:51 -0700 | [diff] [blame] | 712 | |
stephen hemminger | a40ccc6 | 2010-01-24 18:46:06 +0000 | [diff] [blame] | 713 | sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON); |
Stephen Hemminger | b32f40c | 2007-11-27 10:57:27 -0800 | [diff] [blame] | 714 | reg1 = sky2_pci_read32(hw, PCI_DEV_REG1); |
Stephen Hemminger | b96936da7 | 2008-05-14 17:04:15 -0700 | [diff] [blame] | 715 | reg1 &= ~phy_power[port]; |
shemminger@osdl.org | d3bcfbe | 2006-08-28 10:00:51 -0700 | [diff] [blame] | 716 | |
stephen hemminger | 4b7c47a | 2010-03-29 07:36:19 +0000 | [diff] [blame] | 717 | if (hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev > CHIP_REV_YU_XL_A1) |
Stephen Hemminger | ff35164e | 2007-10-11 19:47:44 -0700 | [diff] [blame] | 718 | reg1 |= coma_mode[port]; |
| 719 | |
Stephen Hemminger | b32f40c | 2007-11-27 10:57:27 -0800 | [diff] [blame] | 720 | sky2_pci_write32(hw, PCI_DEV_REG1, reg1); |
stephen hemminger | a40ccc6 | 2010-01-24 18:46:06 +0000 | [diff] [blame] | 721 | sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF); |
Stephen Hemminger | 82637e8 | 2008-01-23 19:16:04 -0800 | [diff] [blame] | 722 | sky2_pci_read32(hw, PCI_DEV_REG1); |
Stephen Hemminger | f71eb1a | 2008-08-04 13:33:37 -0700 | [diff] [blame] | 723 | |
| 724 | if (hw->chip_id == CHIP_ID_YUKON_FE) |
| 725 | gm_phy_write(hw, port, PHY_MARV_CTRL, PHY_CT_ANE); |
| 726 | else if (hw->flags & SKY2_HW_ADV_POWER_CTL) |
| 727 | sky2_write8(hw, SK_REG(port, GPHY_CTRL), GPC_RST_CLR); |
Stephen Hemminger | b96936da7 | 2008-05-14 17:04:15 -0700 | [diff] [blame] | 728 | } |
Stephen Hemminger | 167f53d | 2007-09-25 19:01:02 -0700 | [diff] [blame] | 729 | |
Stephen Hemminger | b96936da7 | 2008-05-14 17:04:15 -0700 | [diff] [blame] | 730 | static void sky2_phy_power_down(struct sky2_hw *hw, unsigned port) |
| 731 | { |
| 732 | u32 reg1; |
Stephen Hemminger | db99b98 | 2008-05-14 17:04:16 -0700 | [diff] [blame] | 733 | u16 ctrl; |
| 734 | |
| 735 | /* release GPHY Control reset */ |
| 736 | sky2_write8(hw, SK_REG(port, GPHY_CTRL), GPC_RST_CLR); |
| 737 | |
| 738 | /* release GMAC reset */ |
| 739 | sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_RST_CLR); |
| 740 | |
| 741 | if (hw->flags & SKY2_HW_NEWER_PHY) { |
| 742 | /* select page 2 to access MAC control register */ |
| 743 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 2); |
| 744 | |
| 745 | ctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL); |
| 746 | /* allow GMII Power Down */ |
| 747 | ctrl &= ~PHY_M_MAC_GMIF_PUP; |
| 748 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl); |
| 749 | |
| 750 | /* set page register back to 0 */ |
| 751 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 0); |
| 752 | } |
| 753 | |
| 754 | /* setup General Purpose Control Register */ |
| 755 | gma_write16(hw, port, GM_GP_CTRL, |
Stephen Hemminger | 0ea065e | 2009-08-14 15:36:41 -0700 | [diff] [blame] | 756 | GM_GPCR_FL_PASS | GM_GPCR_SPEED_100 | |
| 757 | GM_GPCR_AU_DUP_DIS | GM_GPCR_AU_FCT_DIS | |
| 758 | GM_GPCR_AU_SPD_DIS); |
Stephen Hemminger | db99b98 | 2008-05-14 17:04:16 -0700 | [diff] [blame] | 759 | |
| 760 | if (hw->chip_id != CHIP_ID_YUKON_EC) { |
| 761 | if (hw->chip_id == CHIP_ID_YUKON_EC_U) { |
Rafael J. Wysocki | e484d5f | 2008-08-10 19:30:28 +0200 | [diff] [blame] | 762 | /* select page 2 to access MAC control register */ |
| 763 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 2); |
Stephen Hemminger | db99b98 | 2008-05-14 17:04:16 -0700 | [diff] [blame] | 764 | |
Rafael J. Wysocki | e484d5f | 2008-08-10 19:30:28 +0200 | [diff] [blame] | 765 | ctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL); |
Stephen Hemminger | db99b98 | 2008-05-14 17:04:16 -0700 | [diff] [blame] | 766 | /* enable Power Down */ |
| 767 | ctrl |= PHY_M_PC_POW_D_ENA; |
| 768 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl); |
Rafael J. Wysocki | e484d5f | 2008-08-10 19:30:28 +0200 | [diff] [blame] | 769 | |
| 770 | /* set page register back to 0 */ |
| 771 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 0); |
Stephen Hemminger | db99b98 | 2008-05-14 17:04:16 -0700 | [diff] [blame] | 772 | } |
| 773 | |
| 774 | /* set IEEE compatible Power Down Mode (dev. #4.99) */ |
| 775 | gm_phy_write(hw, port, PHY_MARV_CTRL, PHY_CT_PDOWN); |
| 776 | } |
Stephen Hemminger | b96936da7 | 2008-05-14 17:04:15 -0700 | [diff] [blame] | 777 | |
stephen hemminger | a40ccc6 | 2010-01-24 18:46:06 +0000 | [diff] [blame] | 778 | sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON); |
Stephen Hemminger | b96936da7 | 2008-05-14 17:04:15 -0700 | [diff] [blame] | 779 | reg1 = sky2_pci_read32(hw, PCI_DEV_REG1); |
Stephen Hemminger | db99b98 | 2008-05-14 17:04:16 -0700 | [diff] [blame] | 780 | reg1 |= phy_power[port]; /* set PHY to PowerDown/COMA Mode */ |
Stephen Hemminger | b96936da7 | 2008-05-14 17:04:15 -0700 | [diff] [blame] | 781 | sky2_pci_write32(hw, PCI_DEV_REG1, reg1); |
stephen hemminger | a40ccc6 | 2010-01-24 18:46:06 +0000 | [diff] [blame] | 782 | sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF); |
shemminger@osdl.org | d3bcfbe | 2006-08-28 10:00:51 -0700 | [diff] [blame] | 783 | } |
| 784 | |
stephen hemminger | 8e11680 | 2011-07-07 05:50:58 +0000 | [diff] [blame] | 785 | /* configure IPG according to used link speed */ |
| 786 | static void sky2_set_ipg(struct sky2_port *sky2) |
| 787 | { |
| 788 | u16 reg; |
| 789 | |
| 790 | reg = gma_read16(sky2->hw, sky2->port, GM_SERIAL_MODE); |
| 791 | reg &= ~GM_SMOD_IPG_MSK; |
| 792 | if (sky2->speed > SPEED_100) |
| 793 | reg |= IPG_DATA_VAL(IPG_DATA_DEF_1000); |
| 794 | else |
| 795 | reg |= IPG_DATA_VAL(IPG_DATA_DEF_10_100); |
| 796 | gma_write16(sky2->hw, sky2->port, GM_SERIAL_MODE, reg); |
| 797 | } |
| 798 | |
Brandon Philips | 38000a9 | 2010-06-16 16:21:58 +0000 | [diff] [blame] | 799 | /* Enable Rx/Tx */ |
| 800 | static void sky2_enable_rx_tx(struct sky2_port *sky2) |
| 801 | { |
| 802 | struct sky2_hw *hw = sky2->hw; |
| 803 | unsigned port = sky2->port; |
| 804 | u16 reg; |
| 805 | |
| 806 | reg = gma_read16(hw, port, GM_GP_CTRL); |
| 807 | reg |= GM_GPCR_RX_ENA | GM_GPCR_TX_ENA; |
| 808 | gma_write16(hw, port, GM_GP_CTRL, reg); |
| 809 | } |
| 810 | |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 811 | /* Force a renegotiation */ |
| 812 | static void sky2_phy_reinit(struct sky2_port *sky2) |
| 813 | { |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 814 | spin_lock_bh(&sky2->phy_lock); |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 815 | sky2_phy_init(sky2->hw, sky2->port); |
Brandon Philips | 38000a9 | 2010-06-16 16:21:58 +0000 | [diff] [blame] | 816 | sky2_enable_rx_tx(sky2); |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 817 | spin_unlock_bh(&sky2->phy_lock); |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 818 | } |
| 819 | |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 820 | /* Put device in state to listen for Wake On Lan */ |
| 821 | static void sky2_wol_init(struct sky2_port *sky2) |
| 822 | { |
| 823 | struct sky2_hw *hw = sky2->hw; |
| 824 | unsigned port = sky2->port; |
| 825 | enum flow_control save_mode; |
| 826 | u16 ctrl; |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 827 | |
| 828 | /* Bring hardware out of reset */ |
| 829 | sky2_write16(hw, B0_CTST, CS_RST_CLR); |
| 830 | sky2_write16(hw, SK_REG(port, GMAC_LINK_CTRL), GMLC_RST_CLR); |
| 831 | |
| 832 | sky2_write8(hw, SK_REG(port, GPHY_CTRL), GPC_RST_CLR); |
| 833 | sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_RST_CLR); |
| 834 | |
| 835 | /* Force to 10/100 |
| 836 | * sky2_reset will re-enable on resume |
| 837 | */ |
| 838 | save_mode = sky2->flow_mode; |
| 839 | ctrl = sky2->advertising; |
| 840 | |
| 841 | sky2->advertising &= ~(ADVERTISED_1000baseT_Half|ADVERTISED_1000baseT_Full); |
| 842 | sky2->flow_mode = FC_NONE; |
Stephen Hemminger | b96936da7 | 2008-05-14 17:04:15 -0700 | [diff] [blame] | 843 | |
| 844 | spin_lock_bh(&sky2->phy_lock); |
| 845 | sky2_phy_power_up(hw, port); |
| 846 | sky2_phy_init(hw, port); |
| 847 | spin_unlock_bh(&sky2->phy_lock); |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 848 | |
| 849 | sky2->flow_mode = save_mode; |
| 850 | sky2->advertising = ctrl; |
| 851 | |
| 852 | /* Set GMAC to no flow control and auto update for speed/duplex */ |
| 853 | gma_write16(hw, port, GM_GP_CTRL, |
| 854 | GM_GPCR_FC_TX_DIS|GM_GPCR_TX_ENA|GM_GPCR_RX_ENA| |
| 855 | GM_GPCR_DUP_FULL|GM_GPCR_FC_RX_DIS|GM_GPCR_AU_FCT_DIS); |
| 856 | |
| 857 | /* Set WOL address */ |
| 858 | memcpy_toio(hw->regs + WOL_REGS(port, WOL_MAC_ADDR), |
| 859 | sky2->netdev->dev_addr, ETH_ALEN); |
| 860 | |
| 861 | /* Turn on appropriate WOL control bits */ |
| 862 | sky2_write16(hw, WOL_REGS(port, WOL_CTRL_STAT), WOL_CTL_CLEAR_RESULT); |
| 863 | ctrl = 0; |
| 864 | if (sky2->wol & WAKE_PHY) |
| 865 | ctrl |= WOL_CTL_ENA_PME_ON_LINK_CHG|WOL_CTL_ENA_LINK_CHG_UNIT; |
| 866 | else |
| 867 | ctrl |= WOL_CTL_DIS_PME_ON_LINK_CHG|WOL_CTL_DIS_LINK_CHG_UNIT; |
| 868 | |
| 869 | if (sky2->wol & WAKE_MAGIC) |
| 870 | ctrl |= WOL_CTL_ENA_PME_ON_MAGIC_PKT|WOL_CTL_ENA_MAGIC_PKT_UNIT; |
| 871 | else |
Joe Perches | a419aef | 2009-08-18 11:18:35 -0700 | [diff] [blame] | 872 | ctrl |= WOL_CTL_DIS_PME_ON_MAGIC_PKT|WOL_CTL_DIS_MAGIC_PKT_UNIT; |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 873 | |
| 874 | ctrl |= WOL_CTL_DIS_PME_ON_PATTERN|WOL_CTL_DIS_PATTERN_UNIT; |
| 875 | sky2_write16(hw, WOL_REGS(port, WOL_CTRL_STAT), ctrl); |
| 876 | |
stephen hemminger | 5f8ae5c | 2010-02-12 06:57:59 +0000 | [diff] [blame] | 877 | /* Disable PiG firmware */ |
| 878 | sky2_write16(hw, B0_CTST, Y2_HW_WOL_OFF); |
| 879 | |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 880 | /* block receiver */ |
| 881 | sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_RST_SET); |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 882 | } |
| 883 | |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 884 | static void sky2_set_tx_stfwd(struct sky2_hw *hw, unsigned port) |
| 885 | { |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 886 | struct net_device *dev = hw->dev[port]; |
| 887 | |
Stephen Hemminger | ed4d416 | 2008-01-10 16:14:14 -0800 | [diff] [blame] | 888 | if ( (hw->chip_id == CHIP_ID_YUKON_EX && |
| 889 | hw->chip_rev != CHIP_REV_YU_EX_A0) || |
Stephen Hemminger | 877c857 | 2009-10-29 06:37:08 +0000 | [diff] [blame] | 890 | hw->chip_id >= CHIP_ID_YUKON_FE_P) { |
Stephen Hemminger | ed4d416 | 2008-01-10 16:14:14 -0800 | [diff] [blame] | 891 | /* Yukon-Extreme B0 and further Extreme devices */ |
stephen hemminger | 44dde56 | 2010-02-12 06:58:01 +0000 | [diff] [blame] | 892 | sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), TX_STFW_ENA); |
| 893 | } else if (dev->mtu > ETH_DATA_LEN) { |
| 894 | /* set Tx GMAC FIFO Almost Empty Threshold */ |
| 895 | sky2_write32(hw, SK_REG(port, TX_GMF_AE_THR), |
| 896 | (ECU_JUMBO_WM << 16) | ECU_AE_THR); |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 897 | |
stephen hemminger | 44dde56 | 2010-02-12 06:58:01 +0000 | [diff] [blame] | 898 | sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), TX_STFW_DIS); |
| 899 | } else |
| 900 | sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), TX_STFW_ENA); |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 901 | } |
| 902 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 903 | static void sky2_mac_init(struct sky2_hw *hw, unsigned port) |
| 904 | { |
| 905 | struct sky2_port *sky2 = netdev_priv(hw->dev[port]); |
| 906 | u16 reg; |
Al Viro | 25cccec | 2007-07-20 16:07:33 +0100 | [diff] [blame] | 907 | u32 rx_reg; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 908 | int i; |
| 909 | const u8 *addr = hw->dev[port]->dev_addr; |
| 910 | |
Stephen Hemminger | f350339 | 2007-08-21 11:10:22 -0700 | [diff] [blame] | 911 | sky2_write8(hw, SK_REG(port, GPHY_CTRL), GPC_RST_SET); |
| 912 | sky2_write8(hw, SK_REG(port, GPHY_CTRL), GPC_RST_CLR); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 913 | |
| 914 | sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_RST_CLR); |
| 915 | |
stephen hemminger | 4b7c47a | 2010-03-29 07:36:19 +0000 | [diff] [blame] | 916 | if (hw->chip_id == CHIP_ID_YUKON_XL && |
| 917 | hw->chip_rev == CHIP_REV_YU_XL_A0 && |
| 918 | port == 1) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 919 | /* WA DEV_472 -- looks like crossed wires on port 2 */ |
| 920 | /* clear GMAC 1 Control reset */ |
| 921 | sky2_write8(hw, SK_REG(0, GMAC_CTRL), GMC_RST_CLR); |
| 922 | do { |
| 923 | sky2_write8(hw, SK_REG(1, GMAC_CTRL), GMC_RST_SET); |
| 924 | sky2_write8(hw, SK_REG(1, GMAC_CTRL), GMC_RST_CLR); |
| 925 | } while (gm_phy_read(hw, 1, PHY_MARV_ID0) != PHY_MARV_ID0_VAL || |
| 926 | gm_phy_read(hw, 1, PHY_MARV_ID1) != PHY_MARV_ID1_Y2 || |
| 927 | gm_phy_read(hw, 1, PHY_MARV_INT_MASK) != 0); |
| 928 | } |
| 929 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 930 | sky2_read16(hw, SK_REG(port, GMAC_IRQ_SRC)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 931 | |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 932 | /* Enable Transmit FIFO Underrun */ |
| 933 | sky2_write8(hw, SK_REG(port, GMAC_IRQ_MSK), GMAC_DEF_MSK); |
| 934 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 935 | spin_lock_bh(&sky2->phy_lock); |
Stephen Hemminger | b96936da7 | 2008-05-14 17:04:15 -0700 | [diff] [blame] | 936 | sky2_phy_power_up(hw, port); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 937 | sky2_phy_init(hw, port); |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 938 | spin_unlock_bh(&sky2->phy_lock); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 939 | |
| 940 | /* MIB clear */ |
| 941 | reg = gma_read16(hw, port, GM_PHY_ADDR); |
| 942 | gma_write16(hw, port, GM_PHY_ADDR, reg | GM_PAR_MIB_CLR); |
| 943 | |
Stephen Hemminger | 43f2f10 | 2006-04-05 17:47:15 -0700 | [diff] [blame] | 944 | for (i = GM_MIB_CNT_BASE; i <= GM_MIB_CNT_END; i += 4) |
| 945 | gma_read16(hw, port, i); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 946 | gma_write16(hw, port, GM_PHY_ADDR, reg); |
| 947 | |
| 948 | /* transmit control */ |
| 949 | gma_write16(hw, port, GM_TX_CTRL, TX_COL_THR(TX_COL_DEF)); |
| 950 | |
| 951 | /* receive control reg: unicast + multicast + no FCS */ |
| 952 | gma_write16(hw, port, GM_RX_CTRL, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 953 | GM_RXCR_UCF_ENA | GM_RXCR_CRC_DIS | GM_RXCR_MCF_ENA); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 954 | |
| 955 | /* transmit flow control */ |
| 956 | gma_write16(hw, port, GM_TX_FLOW_CTRL, 0xffff); |
| 957 | |
| 958 | /* transmit parameter */ |
| 959 | gma_write16(hw, port, GM_TX_PARAM, |
| 960 | TX_JAM_LEN_VAL(TX_JAM_LEN_DEF) | |
| 961 | TX_JAM_IPG_VAL(TX_JAM_IPG_DEF) | |
| 962 | TX_IPG_JAM_DATA(TX_IPG_JAM_DEF) | |
| 963 | TX_BACK_OFF_LIM(TX_BOF_LIM_DEF)); |
| 964 | |
| 965 | /* serial mode register */ |
| 966 | reg = DATA_BLIND_VAL(DATA_BLIND_DEF) | |
stephen hemminger | 8e11680 | 2011-07-07 05:50:58 +0000 | [diff] [blame] | 967 | GM_SMOD_VLAN_ENA | IPG_DATA_VAL(IPG_DATA_DEF_1000); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 968 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 969 | if (hw->dev[port]->mtu > ETH_DATA_LEN) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 970 | reg |= GM_SMOD_JUMBO_ENA; |
| 971 | |
stephen hemminger | c1cd0a8 | 2010-03-29 07:36:18 +0000 | [diff] [blame] | 972 | if (hw->chip_id == CHIP_ID_YUKON_EC_U && |
| 973 | hw->chip_rev == CHIP_REV_YU_EC_U_B1) |
| 974 | reg |= GM_NEW_FLOW_CTRL; |
| 975 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 976 | gma_write16(hw, port, GM_SERIAL_MODE, reg); |
| 977 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 978 | /* virtual address for data */ |
| 979 | gma_set_addr(hw, port, GM_SRC_ADDR_2L, addr); |
| 980 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 981 | /* physical address: used for pause frames */ |
| 982 | gma_set_addr(hw, port, GM_SRC_ADDR_1L, addr); |
| 983 | |
| 984 | /* ignore counter overflows */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 985 | gma_write16(hw, port, GM_TX_IRQ_MSK, 0); |
| 986 | gma_write16(hw, port, GM_RX_IRQ_MSK, 0); |
| 987 | gma_write16(hw, port, GM_TR_IRQ_MSK, 0); |
| 988 | |
| 989 | /* Configure Rx MAC FIFO */ |
| 990 | 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] | 991 | rx_reg = GMF_OPER_ON | GMF_RX_F_FL_ON; |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 992 | if (hw->chip_id == CHIP_ID_YUKON_EX || |
| 993 | hw->chip_id == CHIP_ID_YUKON_FE_P) |
Al Viro | 25cccec | 2007-07-20 16:07:33 +0100 | [diff] [blame] | 994 | rx_reg |= GMF_RX_OVER_ON; |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 995 | |
Al Viro | 25cccec | 2007-07-20 16:07:33 +0100 | [diff] [blame] | 996 | sky2_write32(hw, SK_REG(port, RX_GMF_CTRL_T), rx_reg); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 997 | |
Stephen Hemminger | 798fdd0 | 2007-12-07 15:22:15 -0800 | [diff] [blame] | 998 | if (hw->chip_id == CHIP_ID_YUKON_XL) { |
| 999 | /* Hardware errata - clear flush mask */ |
| 1000 | sky2_write16(hw, SK_REG(port, RX_GMF_FL_MSK), 0); |
| 1001 | } else { |
| 1002 | /* Flush Rx MAC FIFO on any flow control or error */ |
| 1003 | sky2_write16(hw, SK_REG(port, RX_GMF_FL_MSK), GMR_FS_ANY_ERR); |
| 1004 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1005 | |
Stephen Hemminger | 8df9a87 | 2006-12-01 14:29:35 -0800 | [diff] [blame] | 1006 | /* Set threshold to 0xa (64 bytes) + 1 to workaround pause bug */ |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 1007 | reg = RX_GMF_FL_THR_DEF + 1; |
| 1008 | /* Another magic mystery workaround from sk98lin */ |
| 1009 | if (hw->chip_id == CHIP_ID_YUKON_FE_P && |
| 1010 | hw->chip_rev == CHIP_REV_YU_FE2_A0) |
| 1011 | reg = 0x178; |
| 1012 | sky2_write16(hw, SK_REG(port, RX_GMF_FL_THR), reg); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1013 | |
| 1014 | /* Configure Tx MAC FIFO */ |
| 1015 | sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_RST_CLR); |
| 1016 | 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] | 1017 | |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 1018 | /* On chips without ram buffer, pause is controlled by MAC level */ |
Stephen Hemminger | 39dbd95 | 2008-02-04 19:45:13 -0800 | [diff] [blame] | 1019 | if (!(hw->flags & SKY2_HW_RAM_BUFFER)) { |
Stephen Hemminger | d6b54d2 | 2009-10-29 06:37:07 +0000 | [diff] [blame] | 1020 | /* Pause threshold is scaled by 8 in bytes */ |
Joe Perches | 8e95a20 | 2009-12-03 07:58:21 +0000 | [diff] [blame] | 1021 | if (hw->chip_id == CHIP_ID_YUKON_FE_P && |
| 1022 | hw->chip_rev == CHIP_REV_YU_FE2_A0) |
Stephen Hemminger | d6b54d2 | 2009-10-29 06:37:07 +0000 | [diff] [blame] | 1023 | reg = 1568 / 8; |
| 1024 | else |
| 1025 | reg = 1024 / 8; |
| 1026 | sky2_write16(hw, SK_REG(port, RX_GMF_UP_THR), reg); |
| 1027 | sky2_write16(hw, SK_REG(port, RX_GMF_LP_THR), 768 / 8); |
Stephen Hemminger | b628ed98 | 2007-04-11 14:48:01 -0700 | [diff] [blame] | 1028 | |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 1029 | sky2_set_tx_stfwd(hw, port); |
shemminger@osdl.org | 5a5b1ea | 2005-11-30 11:45:15 -0800 | [diff] [blame] | 1030 | } |
| 1031 | |
Stephen Hemminger | e970d1f | 2007-11-27 11:02:07 -0800 | [diff] [blame] | 1032 | if (hw->chip_id == CHIP_ID_YUKON_FE_P && |
| 1033 | hw->chip_rev == CHIP_REV_YU_FE2_A0) { |
| 1034 | /* disable dynamic watermark */ |
| 1035 | reg = sky2_read16(hw, SK_REG(port, TX_GMF_EA)); |
| 1036 | reg &= ~TX_DYN_WM_ENA; |
| 1037 | sky2_write16(hw, SK_REG(port, TX_GMF_EA), reg); |
| 1038 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1039 | } |
| 1040 | |
Stephen Hemminger | 6771290 | 2006-12-04 15:53:45 -0800 | [diff] [blame] | 1041 | /* Assign Ram Buffer allocation to queue */ |
| 1042 | 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] | 1043 | { |
Stephen Hemminger | 6771290 | 2006-12-04 15:53:45 -0800 | [diff] [blame] | 1044 | u32 end; |
| 1045 | |
| 1046 | /* convert from K bytes to qwords used for hw register */ |
| 1047 | start *= 1024/8; |
| 1048 | space *= 1024/8; |
| 1049 | end = start + space - 1; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1050 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1051 | sky2_write8(hw, RB_ADDR(q, RB_CTRL), RB_RST_CLR); |
| 1052 | sky2_write32(hw, RB_ADDR(q, RB_START), start); |
| 1053 | sky2_write32(hw, RB_ADDR(q, RB_END), end); |
| 1054 | sky2_write32(hw, RB_ADDR(q, RB_WP), start); |
| 1055 | sky2_write32(hw, RB_ADDR(q, RB_RP), start); |
| 1056 | |
| 1057 | if (q == Q_R1 || q == Q_R2) { |
Stephen Hemminger | 1c28f6b | 2006-01-17 13:43:13 -0800 | [diff] [blame] | 1058 | u32 tp = space - space/4; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1059 | |
Stephen Hemminger | 1c28f6b | 2006-01-17 13:43:13 -0800 | [diff] [blame] | 1060 | /* On receive queue's set the thresholds |
| 1061 | * give receiver priority when > 3/4 full |
| 1062 | * send pause when down to 2K |
| 1063 | */ |
| 1064 | sky2_write32(hw, RB_ADDR(q, RB_RX_UTHP), tp); |
| 1065 | sky2_write32(hw, RB_ADDR(q, RB_RX_LTHP), space/2); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1066 | |
Stephen Hemminger | 1c28f6b | 2006-01-17 13:43:13 -0800 | [diff] [blame] | 1067 | tp = space - 2048/8; |
| 1068 | sky2_write32(hw, RB_ADDR(q, RB_RX_UTPP), tp); |
| 1069 | sky2_write32(hw, RB_ADDR(q, RB_RX_LTPP), space/4); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1070 | } else { |
| 1071 | /* Enable store & forward on Tx queue's because |
| 1072 | * Tx FIFO is only 1K on Yukon |
| 1073 | */ |
| 1074 | sky2_write8(hw, RB_ADDR(q, RB_CTRL), RB_ENA_STFWD); |
| 1075 | } |
| 1076 | |
| 1077 | sky2_write8(hw, RB_ADDR(q, RB_CTRL), RB_ENA_OP_MD); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1078 | sky2_read8(hw, RB_ADDR(q, RB_CTRL)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1079 | } |
| 1080 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1081 | /* Setup Bus Memory Interface */ |
shemminger@osdl.org | af4ed7e | 2005-11-30 11:45:21 -0800 | [diff] [blame] | 1082 | static void sky2_qset(struct sky2_hw *hw, u16 q) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1083 | { |
| 1084 | sky2_write32(hw, Q_ADDR(q, Q_CSR), BMU_CLR_RESET); |
| 1085 | sky2_write32(hw, Q_ADDR(q, Q_CSR), BMU_OPER_INIT); |
| 1086 | 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] | 1087 | sky2_write32(hw, Q_ADDR(q, Q_WM), BMU_WM_DEFAULT); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1088 | } |
| 1089 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1090 | /* Setup prefetch unit registers. This is the interface between |
| 1091 | * hardware and driver list elements |
| 1092 | */ |
Stephen Hemminger | 8cc048e | 2005-12-09 11:35:07 -0800 | [diff] [blame] | 1093 | static void sky2_prefetch_init(struct sky2_hw *hw, u32 qaddr, |
Stephen Hemminger | d6e74b6 | 2009-08-18 15:17:05 +0000 | [diff] [blame] | 1094 | dma_addr_t addr, u32 last) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1095 | { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1096 | sky2_write32(hw, Y2_QADDR(qaddr, PREF_UNIT_CTRL), PREF_UNIT_RST_SET); |
| 1097 | sky2_write32(hw, Y2_QADDR(qaddr, PREF_UNIT_CTRL), PREF_UNIT_RST_CLR); |
Stephen Hemminger | d6e74b6 | 2009-08-18 15:17:05 +0000 | [diff] [blame] | 1098 | sky2_write32(hw, Y2_QADDR(qaddr, PREF_UNIT_ADDR_HI), upper_32_bits(addr)); |
| 1099 | sky2_write32(hw, Y2_QADDR(qaddr, PREF_UNIT_ADDR_LO), lower_32_bits(addr)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1100 | sky2_write16(hw, Y2_QADDR(qaddr, PREF_UNIT_LAST_IDX), last); |
| 1101 | 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] | 1102 | |
| 1103 | sky2_read32(hw, Y2_QADDR(qaddr, PREF_UNIT_CTRL)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1104 | } |
| 1105 | |
Mike McCormack | 9b289c3 | 2009-08-14 05:15:12 +0000 | [diff] [blame] | 1106 | static inline struct sky2_tx_le *get_tx_le(struct sky2_port *sky2, u16 *slot) |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1107 | { |
Mike McCormack | 9b289c3 | 2009-08-14 05:15:12 +0000 | [diff] [blame] | 1108 | struct sky2_tx_le *le = sky2->tx_le + *slot; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1109 | |
Stephen Hemminger | ee5f68f | 2009-08-18 15:17:08 +0000 | [diff] [blame] | 1110 | *slot = RING_NEXT(*slot, sky2->tx_ring_size); |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1111 | le->ctrl = 0; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1112 | return le; |
| 1113 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1114 | |
Stephen Hemminger | 88f5f0c | 2007-09-27 12:38:12 -0700 | [diff] [blame] | 1115 | static void tx_init(struct sky2_port *sky2) |
| 1116 | { |
| 1117 | struct sky2_tx_le *le; |
| 1118 | |
| 1119 | sky2->tx_prod = sky2->tx_cons = 0; |
| 1120 | sky2->tx_tcpsum = 0; |
| 1121 | sky2->tx_last_mss = 0; |
| 1122 | |
Mike McCormack | 9b289c3 | 2009-08-14 05:15:12 +0000 | [diff] [blame] | 1123 | le = get_tx_le(sky2, &sky2->tx_prod); |
Stephen Hemminger | 88f5f0c | 2007-09-27 12:38:12 -0700 | [diff] [blame] | 1124 | le->addr = 0; |
| 1125 | le->opcode = OP_ADDR64 | HW_OWNER; |
Stephen Hemminger | 5dce95e | 2009-08-18 15:17:06 +0000 | [diff] [blame] | 1126 | sky2->tx_last_upper = 0; |
Stephen Hemminger | 88f5f0c | 2007-09-27 12:38:12 -0700 | [diff] [blame] | 1127 | } |
| 1128 | |
Stephen Hemminger | 290d4de | 2006-03-20 15:48:15 -0800 | [diff] [blame] | 1129 | /* Update chip's next pointer */ |
| 1130 | 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] | 1131 | { |
Stephen Hemminger | 50432cb | 2007-05-14 12:38:15 -0700 | [diff] [blame] | 1132 | /* Make sure write' to descriptors are complete before we tell hardware */ |
Stephen Hemminger | 762c2de | 2006-01-17 13:43:14 -0800 | [diff] [blame] | 1133 | wmb(); |
Stephen Hemminger | 50432cb | 2007-05-14 12:38:15 -0700 | [diff] [blame] | 1134 | sky2_write16(hw, Y2_QADDR(q, PREF_UNIT_PUT_IDX), idx); |
| 1135 | |
| 1136 | /* Synchronize I/O on since next processor may write to tail */ |
| 1137 | mmiowb(); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1138 | } |
| 1139 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1140 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1141 | static inline struct sky2_rx_le *sky2_next_rx(struct sky2_port *sky2) |
| 1142 | { |
| 1143 | struct sky2_rx_le *le = sky2->rx_le + sky2->rx_put; |
Stephen Hemminger | cb5d954 | 2006-05-08 15:11:29 -0700 | [diff] [blame] | 1144 | sky2->rx_put = RING_NEXT(sky2->rx_put, RX_LE_SIZE); |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1145 | le->ctrl = 0; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1146 | return le; |
| 1147 | } |
| 1148 | |
Mike McCormack | 060b946 | 2010-07-29 03:34:52 +0000 | [diff] [blame] | 1149 | static unsigned sky2_get_rx_threshold(struct sky2_port *sky2) |
Mike McCormack | 39ef110 | 2010-02-12 06:58:02 +0000 | [diff] [blame] | 1150 | { |
| 1151 | unsigned size; |
| 1152 | |
| 1153 | /* Space needed for frame data + headers rounded up */ |
| 1154 | size = roundup(sky2->netdev->mtu + ETH_HLEN + VLAN_HLEN, 8); |
| 1155 | |
| 1156 | /* Stopping point for hardware truncation */ |
| 1157 | return (size - 8) / sizeof(u32); |
| 1158 | } |
| 1159 | |
Mike McCormack | 060b946 | 2010-07-29 03:34:52 +0000 | [diff] [blame] | 1160 | static unsigned sky2_get_rx_data_size(struct sky2_port *sky2) |
Mike McCormack | 39ef110 | 2010-02-12 06:58:02 +0000 | [diff] [blame] | 1161 | { |
| 1162 | struct rx_ring_info *re; |
| 1163 | unsigned size; |
| 1164 | |
| 1165 | /* Space needed for frame data + headers rounded up */ |
| 1166 | size = roundup(sky2->netdev->mtu + ETH_HLEN + VLAN_HLEN, 8); |
| 1167 | |
| 1168 | sky2->rx_nfrags = size >> PAGE_SHIFT; |
| 1169 | BUG_ON(sky2->rx_nfrags > ARRAY_SIZE(re->frag_addr)); |
| 1170 | |
| 1171 | /* Compute residue after pages */ |
| 1172 | size -= sky2->rx_nfrags << PAGE_SHIFT; |
| 1173 | |
| 1174 | /* Optimize to handle small packets and headers */ |
| 1175 | if (size < copybreak) |
| 1176 | size = copybreak; |
| 1177 | if (size < ETH_HLEN) |
| 1178 | size = ETH_HLEN; |
| 1179 | |
| 1180 | return size; |
| 1181 | } |
| 1182 | |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1183 | /* Build description to hardware for one receive segment */ |
Mike McCormack | 060b946 | 2010-07-29 03:34:52 +0000 | [diff] [blame] | 1184 | static void sky2_rx_add(struct sky2_port *sky2, u8 op, |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1185 | dma_addr_t map, unsigned len) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1186 | { |
| 1187 | struct sky2_rx_le *le; |
| 1188 | |
Stephen Hemminger | 86c6887 | 2008-01-10 16:14:12 -0800 | [diff] [blame] | 1189 | if (sizeof(dma_addr_t) > sizeof(u32)) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1190 | le = sky2_next_rx(sky2); |
Stephen Hemminger | 86c6887 | 2008-01-10 16:14:12 -0800 | [diff] [blame] | 1191 | le->addr = cpu_to_le32(upper_32_bits(map)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1192 | le->opcode = OP_ADDR64 | HW_OWNER; |
| 1193 | } |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1194 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1195 | le = sky2_next_rx(sky2); |
Stephen Hemminger | d6e74b6 | 2009-08-18 15:17:05 +0000 | [diff] [blame] | 1196 | le->addr = cpu_to_le32(lower_32_bits(map)); |
Stephen Hemminger | 734d186 | 2005-12-09 11:35:00 -0800 | [diff] [blame] | 1197 | le->length = cpu_to_le16(len); |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1198 | le->opcode = op | HW_OWNER; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1199 | } |
| 1200 | |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1201 | /* Build description to hardware for one possibly fragmented skb */ |
| 1202 | static void sky2_rx_submit(struct sky2_port *sky2, |
| 1203 | const struct rx_ring_info *re) |
| 1204 | { |
| 1205 | int i; |
| 1206 | |
| 1207 | sky2_rx_add(sky2, OP_PACKET, re->data_addr, sky2->rx_data_size); |
| 1208 | |
| 1209 | for (i = 0; i < skb_shinfo(re->skb)->nr_frags; i++) |
| 1210 | sky2_rx_add(sky2, OP_BUFFER, re->frag_addr[i], PAGE_SIZE); |
| 1211 | } |
| 1212 | |
| 1213 | |
Stephen Hemminger | 454e6cb6 | 2009-02-03 11:27:28 +0000 | [diff] [blame] | 1214 | 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] | 1215 | unsigned size) |
| 1216 | { |
| 1217 | struct sk_buff *skb = re->skb; |
| 1218 | int i; |
| 1219 | |
| 1220 | re->data_addr = pci_map_single(pdev, skb->data, size, PCI_DMA_FROMDEVICE); |
stephen hemminger | 3fbd918 | 2010-02-01 13:45:41 +0000 | [diff] [blame] | 1221 | if (pci_dma_mapping_error(pdev, re->data_addr)) |
| 1222 | goto mapping_error; |
Stephen Hemminger | 454e6cb6 | 2009-02-03 11:27:28 +0000 | [diff] [blame] | 1223 | |
FUJITA Tomonori | 7cd26ce | 2010-04-27 14:57:05 +0000 | [diff] [blame] | 1224 | dma_unmap_len_set(re, data_size, size); |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1225 | |
stephen hemminger | 3fbd918 | 2010-02-01 13:45:41 +0000 | [diff] [blame] | 1226 | for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { |
| 1227 | skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; |
| 1228 | |
| 1229 | re->frag_addr[i] = pci_map_page(pdev, frag->page, |
| 1230 | frag->page_offset, |
| 1231 | frag->size, |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1232 | PCI_DMA_FROMDEVICE); |
stephen hemminger | 3fbd918 | 2010-02-01 13:45:41 +0000 | [diff] [blame] | 1233 | |
| 1234 | if (pci_dma_mapping_error(pdev, re->frag_addr[i])) |
| 1235 | goto map_page_error; |
| 1236 | } |
Stephen Hemminger | 454e6cb6 | 2009-02-03 11:27:28 +0000 | [diff] [blame] | 1237 | return 0; |
stephen hemminger | 3fbd918 | 2010-02-01 13:45:41 +0000 | [diff] [blame] | 1238 | |
| 1239 | map_page_error: |
| 1240 | while (--i >= 0) { |
| 1241 | pci_unmap_page(pdev, re->frag_addr[i], |
| 1242 | skb_shinfo(skb)->frags[i].size, |
| 1243 | PCI_DMA_FROMDEVICE); |
| 1244 | } |
| 1245 | |
FUJITA Tomonori | 7cd26ce | 2010-04-27 14:57:05 +0000 | [diff] [blame] | 1246 | pci_unmap_single(pdev, re->data_addr, dma_unmap_len(re, data_size), |
stephen hemminger | 3fbd918 | 2010-02-01 13:45:41 +0000 | [diff] [blame] | 1247 | PCI_DMA_FROMDEVICE); |
| 1248 | |
| 1249 | mapping_error: |
| 1250 | if (net_ratelimit()) |
| 1251 | dev_warn(&pdev->dev, "%s: rx mapping error\n", |
| 1252 | skb->dev->name); |
| 1253 | return -EIO; |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1254 | } |
| 1255 | |
| 1256 | static void sky2_rx_unmap_skb(struct pci_dev *pdev, struct rx_ring_info *re) |
| 1257 | { |
| 1258 | struct sk_buff *skb = re->skb; |
| 1259 | int i; |
| 1260 | |
FUJITA Tomonori | 7cd26ce | 2010-04-27 14:57:05 +0000 | [diff] [blame] | 1261 | pci_unmap_single(pdev, re->data_addr, dma_unmap_len(re, data_size), |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1262 | PCI_DMA_FROMDEVICE); |
| 1263 | |
| 1264 | for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) |
| 1265 | pci_unmap_page(pdev, re->frag_addr[i], |
| 1266 | skb_shinfo(skb)->frags[i].size, |
| 1267 | PCI_DMA_FROMDEVICE); |
| 1268 | } |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1269 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1270 | /* Tell chip where to start receive checksum. |
| 1271 | * Actually has two checksums, but set both same to avoid possible byte |
| 1272 | * order problems. |
| 1273 | */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1274 | static void rx_set_checksum(struct sky2_port *sky2) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1275 | { |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 1276 | struct sky2_rx_le *le = sky2_next_rx(sky2); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1277 | |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 1278 | le->addr = cpu_to_le32((ETH_HLEN << 16) | ETH_HLEN); |
| 1279 | le->ctrl = 0; |
| 1280 | le->opcode = OP_TCPSTART | HW_OWNER; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1281 | |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 1282 | sky2_write32(sky2->hw, |
| 1283 | Q_ADDR(rxqaddr[sky2->port], Q_CSR), |
Michał Mirosław | f5d6403 | 2011-04-10 03:13:21 +0000 | [diff] [blame] | 1284 | (sky2->netdev->features & NETIF_F_RXCSUM) |
Stephen Hemminger | 0ea065e | 2009-08-14 15:36:41 -0700 | [diff] [blame] | 1285 | ? BMU_ENA_RX_CHKSUM : BMU_DIS_RX_CHKSUM); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1286 | } |
| 1287 | |
Stephen Hemminger | bf73130 | 2010-04-24 20:04:12 -0700 | [diff] [blame] | 1288 | /* Enable/disable receive hash calculation (RSS) */ |
Michał Mirosław | f5d6403 | 2011-04-10 03:13:21 +0000 | [diff] [blame] | 1289 | static void rx_set_rss(struct net_device *dev, u32 features) |
Stephen Hemminger | bf73130 | 2010-04-24 20:04:12 -0700 | [diff] [blame] | 1290 | { |
| 1291 | struct sky2_port *sky2 = netdev_priv(dev); |
| 1292 | struct sky2_hw *hw = sky2->hw; |
| 1293 | int i, nkeys = 4; |
| 1294 | |
| 1295 | /* Supports IPv6 and other modes */ |
| 1296 | if (hw->flags & SKY2_HW_NEW_LE) { |
| 1297 | nkeys = 10; |
| 1298 | sky2_write32(hw, SK_REG(sky2->port, RSS_CFG), HASH_ALL); |
| 1299 | } |
| 1300 | |
| 1301 | /* Program RSS initial values */ |
Michał Mirosław | f5d6403 | 2011-04-10 03:13:21 +0000 | [diff] [blame] | 1302 | if (features & NETIF_F_RXHASH) { |
Stephen Hemminger | bf73130 | 2010-04-24 20:04:12 -0700 | [diff] [blame] | 1303 | u32 key[nkeys]; |
| 1304 | |
| 1305 | get_random_bytes(key, nkeys * sizeof(u32)); |
| 1306 | for (i = 0; i < nkeys; i++) |
| 1307 | sky2_write32(hw, SK_REG(sky2->port, RSS_KEY + i * 4), |
| 1308 | key[i]); |
| 1309 | |
| 1310 | /* Need to turn on (undocumented) flag to make hashing work */ |
| 1311 | sky2_write32(hw, SK_REG(sky2->port, RX_GMF_CTRL_T), |
| 1312 | RX_STFW_ENA); |
| 1313 | |
| 1314 | sky2_write32(hw, Q_ADDR(rxqaddr[sky2->port], Q_CSR), |
| 1315 | BMU_ENA_RX_RSS_HASH); |
| 1316 | } else |
| 1317 | sky2_write32(hw, Q_ADDR(rxqaddr[sky2->port], Q_CSR), |
| 1318 | BMU_DIS_RX_RSS_HASH); |
| 1319 | } |
| 1320 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1321 | /* |
| 1322 | * The RX Stop command will not work for Yukon-2 if the BMU does not |
| 1323 | * reach the end of packet and since we can't make sure that we have |
| 1324 | * incoming data, we must reset the BMU while it is not doing a DMA |
| 1325 | * transfer. Since it is possible that the RX path is still active, |
| 1326 | * the RX RAM buffer will be stopped first, so any possible incoming |
| 1327 | * data will not trigger a DMA. After the RAM buffer is stopped, the |
| 1328 | * BMU is polled until any DMA in progress is ended and only then it |
| 1329 | * will be reset. |
| 1330 | */ |
| 1331 | static void sky2_rx_stop(struct sky2_port *sky2) |
| 1332 | { |
| 1333 | struct sky2_hw *hw = sky2->hw; |
| 1334 | unsigned rxq = rxqaddr[sky2->port]; |
| 1335 | int i; |
| 1336 | |
| 1337 | /* disable the RAM Buffer receive queue */ |
| 1338 | sky2_write8(hw, RB_ADDR(rxq, RB_CTRL), RB_DIS_OP_MD); |
| 1339 | |
| 1340 | for (i = 0; i < 0xffff; i++) |
| 1341 | if (sky2_read8(hw, RB_ADDR(rxq, Q_RSL)) |
| 1342 | == sky2_read8(hw, RB_ADDR(rxq, Q_RL))) |
| 1343 | goto stopped; |
| 1344 | |
Joe Perches | ada1db5 | 2010-02-17 15:01:59 +0000 | [diff] [blame] | 1345 | netdev_warn(sky2->netdev, "receiver stop failed\n"); |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1346 | stopped: |
| 1347 | sky2_write32(hw, Q_ADDR(rxq, Q_CSR), BMU_RST_SET | BMU_FIFO_RST); |
| 1348 | |
| 1349 | /* reset the Rx prefetch unit */ |
| 1350 | sky2_write32(hw, Y2_QADDR(rxq, PREF_UNIT_CTRL), PREF_UNIT_RST_SET); |
Stephen Hemminger | 3d1454dd | 2009-07-16 13:20:57 +0000 | [diff] [blame] | 1351 | mmiowb(); |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1352 | } |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1353 | |
shemminger@osdl.org | d571b69 | 2005-10-26 12:16:09 -0700 | [diff] [blame] | 1354 | /* Clean out receive buffer area, assumes receiver hardware stopped */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1355 | static void sky2_rx_clean(struct sky2_port *sky2) |
| 1356 | { |
| 1357 | unsigned i; |
| 1358 | |
| 1359 | memset(sky2->rx_le, 0, RX_LE_BYTES); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1360 | for (i = 0; i < sky2->rx_pending; i++) { |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1361 | struct rx_ring_info *re = sky2->rx_ring + i; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1362 | |
| 1363 | if (re->skb) { |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1364 | sky2_rx_unmap_skb(sky2->hw->pdev, re); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1365 | kfree_skb(re->skb); |
| 1366 | re->skb = NULL; |
| 1367 | } |
| 1368 | } |
| 1369 | } |
| 1370 | |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 1371 | /* Basic MII support */ |
| 1372 | static int sky2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) |
| 1373 | { |
| 1374 | struct mii_ioctl_data *data = if_mii(ifr); |
| 1375 | struct sky2_port *sky2 = netdev_priv(dev); |
| 1376 | struct sky2_hw *hw = sky2->hw; |
| 1377 | int err = -EOPNOTSUPP; |
| 1378 | |
| 1379 | if (!netif_running(dev)) |
| 1380 | return -ENODEV; /* Phy still in reset */ |
| 1381 | |
Stephen Hemminger | d89e134 | 2006-03-20 15:48:20 -0800 | [diff] [blame] | 1382 | switch (cmd) { |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 1383 | case SIOCGMIIPHY: |
| 1384 | data->phy_id = PHY_ADDR_MARV; |
| 1385 | |
| 1386 | /* fallthru */ |
| 1387 | case SIOCGMIIREG: { |
| 1388 | u16 val = 0; |
Stephen Hemminger | 91c86df | 2005-12-09 11:34:57 -0800 | [diff] [blame] | 1389 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1390 | spin_lock_bh(&sky2->phy_lock); |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 1391 | err = __gm_phy_read(hw, sky2->port, data->reg_num & 0x1f, &val); |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1392 | spin_unlock_bh(&sky2->phy_lock); |
Stephen Hemminger | 91c86df | 2005-12-09 11:34:57 -0800 | [diff] [blame] | 1393 | |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 1394 | data->val_out = val; |
| 1395 | break; |
| 1396 | } |
| 1397 | |
| 1398 | case SIOCSMIIREG: |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1399 | spin_lock_bh(&sky2->phy_lock); |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 1400 | err = gm_phy_write(hw, sky2->port, data->reg_num & 0x1f, |
| 1401 | data->val_in); |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1402 | spin_unlock_bh(&sky2->phy_lock); |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 1403 | break; |
| 1404 | } |
| 1405 | return err; |
| 1406 | } |
| 1407 | |
Michał Mirosław | f5d6403 | 2011-04-10 03:13:21 +0000 | [diff] [blame] | 1408 | #define SKY2_VLAN_OFFLOADS (NETIF_F_IP_CSUM | NETIF_F_SG | NETIF_F_TSO) |
Stephen Hemminger | d494eac | 2008-05-14 17:04:13 -0700 | [diff] [blame] | 1409 | |
Michał Mirosław | f5d6403 | 2011-04-10 03:13:21 +0000 | [diff] [blame] | 1410 | static void sky2_vlan_mode(struct net_device *dev, u32 features) |
Stephen Hemminger | d494eac | 2008-05-14 17:04:13 -0700 | [diff] [blame] | 1411 | { |
| 1412 | struct sky2_port *sky2 = netdev_priv(dev); |
| 1413 | struct sky2_hw *hw = sky2->hw; |
| 1414 | u16 port = sky2->port; |
| 1415 | |
Michał Mirosław | f5d6403 | 2011-04-10 03:13:21 +0000 | [diff] [blame] | 1416 | if (features & NETIF_F_HW_VLAN_RX) |
Stephen Hemminger | 86aa778 | 2011-01-09 15:54:15 -0800 | [diff] [blame] | 1417 | sky2_write32(hw, SK_REG(port, RX_GMF_CTRL_T), |
| 1418 | RX_VLAN_STRIP_ON); |
| 1419 | else |
| 1420 | sky2_write32(hw, SK_REG(port, RX_GMF_CTRL_T), |
| 1421 | RX_VLAN_STRIP_OFF); |
Stephen Hemminger | d494eac | 2008-05-14 17:04:13 -0700 | [diff] [blame] | 1422 | |
Michał Mirosław | f5d6403 | 2011-04-10 03:13:21 +0000 | [diff] [blame] | 1423 | if (features & NETIF_F_HW_VLAN_TX) { |
Stephen Hemminger | 86aa778 | 2011-01-09 15:54:15 -0800 | [diff] [blame] | 1424 | sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), |
| 1425 | TX_VLAN_TAG_ON); |
Michał Mirosław | f5d6403 | 2011-04-10 03:13:21 +0000 | [diff] [blame] | 1426 | |
| 1427 | dev->vlan_features |= SKY2_VLAN_OFFLOADS; |
| 1428 | } else { |
Stephen Hemminger | 86aa778 | 2011-01-09 15:54:15 -0800 | [diff] [blame] | 1429 | sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), |
| 1430 | TX_VLAN_TAG_OFF); |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 1431 | |
Stephen Hemminger | 86aa778 | 2011-01-09 15:54:15 -0800 | [diff] [blame] | 1432 | /* Can't do transmit offload of vlan without hw vlan */ |
Michał Mirosław | f5d6403 | 2011-04-10 03:13:21 +0000 | [diff] [blame] | 1433 | dev->vlan_features &= ~SKY2_VLAN_OFFLOADS; |
Stephen Hemminger | 86aa778 | 2011-01-09 15:54:15 -0800 | [diff] [blame] | 1434 | } |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 1435 | } |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 1436 | |
Stephen Hemminger | bd1c686 | 2009-06-17 07:30:38 +0000 | [diff] [blame] | 1437 | /* Amount of required worst case padding in rx buffer */ |
| 1438 | static inline unsigned sky2_rx_pad(const struct sky2_hw *hw) |
| 1439 | { |
| 1440 | return (hw->flags & SKY2_HW_RAM_BUFFER) ? 8 : 2; |
| 1441 | } |
| 1442 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1443 | /* |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1444 | * Allocate an skb for receiving. If the MTU is large enough |
| 1445 | * make the skb non-linear with a fragment list of pages. |
Stephen Hemminger | 82788c7 | 2006-01-17 13:43:10 -0800 | [diff] [blame] | 1446 | */ |
Eric Dumazet | 68ac319 | 2011-07-07 06:13:32 -0700 | [diff] [blame] | 1447 | static struct sk_buff *sky2_rx_alloc(struct sky2_port *sky2, gfp_t gfp) |
Stephen Hemminger | 82788c7 | 2006-01-17 13:43:10 -0800 | [diff] [blame] | 1448 | { |
| 1449 | struct sk_buff *skb; |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1450 | int i; |
Stephen Hemminger | 82788c7 | 2006-01-17 13:43:10 -0800 | [diff] [blame] | 1451 | |
Eric Dumazet | 68ac319 | 2011-07-07 06:13:32 -0700 | [diff] [blame] | 1452 | skb = __netdev_alloc_skb(sky2->netdev, |
| 1453 | sky2->rx_data_size + sky2_rx_pad(sky2->hw), |
| 1454 | gfp); |
Stephen Hemminger | bd1c686 | 2009-06-17 07:30:38 +0000 | [diff] [blame] | 1455 | if (!skb) |
| 1456 | goto nomem; |
| 1457 | |
Stephen Hemminger | 39dbd95 | 2008-02-04 19:45:13 -0800 | [diff] [blame] | 1458 | if (sky2->hw->flags & SKY2_HW_RAM_BUFFER) { |
Stephen Hemminger | f03b865 | 2007-11-28 14:27:03 -0800 | [diff] [blame] | 1459 | unsigned char *start; |
| 1460 | /* |
| 1461 | * Workaround for a bug in FIFO that cause hang |
| 1462 | * if the FIFO if the receive buffer is not 64 byte aligned. |
| 1463 | * The buffer returned from netdev_alloc_skb is |
| 1464 | * aligned except if slab debugging is enabled. |
| 1465 | */ |
Stephen Hemminger | f03b865 | 2007-11-28 14:27:03 -0800 | [diff] [blame] | 1466 | start = PTR_ALIGN(skb->data, 8); |
| 1467 | skb_reserve(skb, start - skb->data); |
Stephen Hemminger | bd1c686 | 2009-06-17 07:30:38 +0000 | [diff] [blame] | 1468 | } else |
Stephen Hemminger | f03b865 | 2007-11-28 14:27:03 -0800 | [diff] [blame] | 1469 | skb_reserve(skb, NET_IP_ALIGN); |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1470 | |
| 1471 | for (i = 0; i < sky2->rx_nfrags; i++) { |
Eric Dumazet | 68ac319 | 2011-07-07 06:13:32 -0700 | [diff] [blame] | 1472 | struct page *page = alloc_page(gfp); |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1473 | |
| 1474 | if (!page) |
| 1475 | goto free_partial; |
| 1476 | skb_fill_page_desc(skb, i, page, 0, PAGE_SIZE); |
Stephen Hemminger | 82788c7 | 2006-01-17 13:43:10 -0800 | [diff] [blame] | 1477 | } |
| 1478 | |
| 1479 | return skb; |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1480 | free_partial: |
| 1481 | kfree_skb(skb); |
| 1482 | nomem: |
| 1483 | return NULL; |
Stephen Hemminger | 82788c7 | 2006-01-17 13:43:10 -0800 | [diff] [blame] | 1484 | } |
| 1485 | |
Stephen Hemminger | 55c9dd3 | 2007-07-09 15:33:37 -0700 | [diff] [blame] | 1486 | static inline void sky2_rx_update(struct sky2_port *sky2, unsigned rxq) |
| 1487 | { |
| 1488 | sky2_put_idx(sky2->hw, rxq, sky2->rx_put); |
| 1489 | } |
| 1490 | |
Mike McCormack | 200ac492 | 2010-02-12 06:58:03 +0000 | [diff] [blame] | 1491 | static int sky2_alloc_rx_skbs(struct sky2_port *sky2) |
| 1492 | { |
| 1493 | struct sky2_hw *hw = sky2->hw; |
| 1494 | unsigned i; |
| 1495 | |
| 1496 | sky2->rx_data_size = sky2_get_rx_data_size(sky2); |
| 1497 | |
| 1498 | /* Fill Rx ring */ |
| 1499 | for (i = 0; i < sky2->rx_pending; i++) { |
| 1500 | struct rx_ring_info *re = sky2->rx_ring + i; |
| 1501 | |
Eric Dumazet | 68ac319 | 2011-07-07 06:13:32 -0700 | [diff] [blame] | 1502 | re->skb = sky2_rx_alloc(sky2, GFP_KERNEL); |
Mike McCormack | 200ac492 | 2010-02-12 06:58:03 +0000 | [diff] [blame] | 1503 | if (!re->skb) |
| 1504 | return -ENOMEM; |
| 1505 | |
| 1506 | if (sky2_rx_map_skb(hw->pdev, re, sky2->rx_data_size)) { |
| 1507 | dev_kfree_skb(re->skb); |
| 1508 | re->skb = NULL; |
| 1509 | return -ENOMEM; |
| 1510 | } |
| 1511 | } |
| 1512 | return 0; |
| 1513 | } |
| 1514 | |
Stephen Hemminger | 82788c7 | 2006-01-17 13:43:10 -0800 | [diff] [blame] | 1515 | /* |
Mike McCormack | 200ac492 | 2010-02-12 06:58:03 +0000 | [diff] [blame] | 1516 | * Setup receiver buffer pool. |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1517 | * Normal case this ends up creating one list element for skb |
| 1518 | * in the receive ring. Worst case if using large MTU and each |
| 1519 | * allocation falls on a different 64 bit region, that results |
| 1520 | * in 6 list elements per ring entry. |
| 1521 | * One element is used for checksum enable/disable, and one |
| 1522 | * extra to avoid wrap. |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1523 | */ |
Mike McCormack | 200ac492 | 2010-02-12 06:58:03 +0000 | [diff] [blame] | 1524 | static void sky2_rx_start(struct sky2_port *sky2) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1525 | { |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1526 | struct sky2_hw *hw = sky2->hw; |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1527 | struct rx_ring_info *re; |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1528 | unsigned rxq = rxqaddr[sky2->port]; |
Mike McCormack | 39ef110 | 2010-02-12 06:58:02 +0000 | [diff] [blame] | 1529 | unsigned i, thresh; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1530 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1531 | sky2->rx_put = sky2->rx_next = 0; |
shemminger@osdl.org | af4ed7e | 2005-11-30 11:45:21 -0800 | [diff] [blame] | 1532 | sky2_qset(hw, rxq); |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 1533 | |
Stephen Hemminger | c3905bc4 | 2006-12-04 17:08:19 -0800 | [diff] [blame] | 1534 | /* On PCI express lowering the watermark gives better performance */ |
Jon Mason | 1a10cca | 2011-06-27 07:46:56 +0000 | [diff] [blame] | 1535 | if (pci_is_pcie(hw->pdev)) |
Stephen Hemminger | c3905bc4 | 2006-12-04 17:08:19 -0800 | [diff] [blame] | 1536 | sky2_write32(hw, Q_ADDR(rxq, Q_WM), BMU_WM_PEX); |
| 1537 | |
| 1538 | /* These chips have no ram buffer? |
| 1539 | * MAC Rx RAM Read is controlled by hardware */ |
Stephen Hemminger | 8df9a87 | 2006-12-01 14:29:35 -0800 | [diff] [blame] | 1540 | if (hw->chip_id == CHIP_ID_YUKON_EC_U && |
stephen hemminger | c1cd0a8 | 2010-03-29 07:36:18 +0000 | [diff] [blame] | 1541 | hw->chip_rev > CHIP_REV_YU_EC_U_A0) |
Stephen Hemminger | f449c7c | 2007-06-04 17:23:23 -0700 | [diff] [blame] | 1542 | 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] | 1543 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1544 | sky2_prefetch_init(hw, rxq, sky2->rx_le_map, RX_LE_SIZE - 1); |
| 1545 | |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 1546 | if (!(hw->flags & SKY2_HW_NEW_LE)) |
| 1547 | rx_set_checksum(sky2); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1548 | |
Stephen Hemminger | bf73130 | 2010-04-24 20:04:12 -0700 | [diff] [blame] | 1549 | if (!(hw->flags & SKY2_HW_RSS_BROKEN)) |
Michał Mirosław | f5d6403 | 2011-04-10 03:13:21 +0000 | [diff] [blame] | 1550 | rx_set_rss(sky2->netdev, sky2->netdev->features); |
Stephen Hemminger | bf73130 | 2010-04-24 20:04:12 -0700 | [diff] [blame] | 1551 | |
Mike McCormack | 200ac492 | 2010-02-12 06:58:03 +0000 | [diff] [blame] | 1552 | /* submit Rx ring */ |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1553 | for (i = 0; i < sky2->rx_pending; i++) { |
| 1554 | re = sky2->rx_ring + i; |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 1555 | sky2_rx_submit(sky2, re); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1556 | } |
| 1557 | |
Stephen Hemminger | a1433ac | 2006-05-22 12:03:42 -0700 | [diff] [blame] | 1558 | /* |
| 1559 | * The receiver hangs if it receives frames larger than the |
| 1560 | * packet buffer. As a workaround, truncate oversize frames, but |
| 1561 | * the register is limited to 9 bits, so if you do frames > 2052 |
| 1562 | * you better get the MTU right! |
| 1563 | */ |
Mike McCormack | 39ef110 | 2010-02-12 06:58:02 +0000 | [diff] [blame] | 1564 | thresh = sky2_get_rx_threshold(sky2); |
Stephen Hemminger | a1433ac | 2006-05-22 12:03:42 -0700 | [diff] [blame] | 1565 | if (thresh > 0x1ff) |
| 1566 | sky2_write32(hw, SK_REG(sky2->port, RX_GMF_CTRL_T), RX_TRUNC_OFF); |
| 1567 | else { |
| 1568 | sky2_write16(hw, SK_REG(sky2->port, RX_GMF_TR_THR), thresh); |
| 1569 | sky2_write32(hw, SK_REG(sky2->port, RX_GMF_CTRL_T), RX_TRUNC_ON); |
| 1570 | } |
| 1571 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1572 | /* Tell chip about available buffers */ |
Stephen Hemminger | 55c9dd3 | 2007-07-09 15:33:37 -0700 | [diff] [blame] | 1573 | sky2_rx_update(sky2, rxq); |
Stephen Hemminger | 877c857 | 2009-10-29 06:37:08 +0000 | [diff] [blame] | 1574 | |
| 1575 | if (hw->chip_id == CHIP_ID_YUKON_EX || |
| 1576 | hw->chip_id == CHIP_ID_YUKON_SUPR) { |
| 1577 | /* |
| 1578 | * Disable flushing of non ASF packets; |
| 1579 | * must be done after initializing the BMUs; |
| 1580 | * drivers without ASF support should do this too, otherwise |
| 1581 | * it may happen that they cannot run on ASF devices; |
| 1582 | * remember that the MAC FIFO isn't reset during initialization. |
| 1583 | */ |
| 1584 | sky2_write32(hw, SK_REG(sky2->port, RX_GMF_CTRL_T), RX_MACSEC_FLUSH_OFF); |
| 1585 | } |
| 1586 | |
| 1587 | if (hw->chip_id >= CHIP_ID_YUKON_SUPR) { |
| 1588 | /* Enable RX Home Address & Routing Header checksum fix */ |
| 1589 | sky2_write16(hw, SK_REG(sky2->port, RX_GMF_FL_CTRL), |
| 1590 | RX_IPV6_SA_MOB_ENA | RX_IPV6_DA_MOB_ENA); |
| 1591 | |
| 1592 | /* Enable TX Home Address & Routing Header checksum fix */ |
| 1593 | sky2_write32(hw, Q_ADDR(txqaddr[sky2->port], Q_TEST), |
| 1594 | TBMU_TEST_HOME_ADD_FIX_EN | TBMU_TEST_ROUTING_ADD_FIX_EN); |
| 1595 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1596 | } |
| 1597 | |
Mike McCormack | 90bbebb | 2009-09-01 03:21:35 +0000 | [diff] [blame] | 1598 | static int sky2_alloc_buffers(struct sky2_port *sky2) |
| 1599 | { |
| 1600 | struct sky2_hw *hw = sky2->hw; |
| 1601 | |
| 1602 | /* must be power of 2 */ |
| 1603 | sky2->tx_le = pci_alloc_consistent(hw->pdev, |
| 1604 | sky2->tx_ring_size * |
| 1605 | sizeof(struct sky2_tx_le), |
| 1606 | &sky2->tx_le_map); |
| 1607 | if (!sky2->tx_le) |
| 1608 | goto nomem; |
| 1609 | |
| 1610 | sky2->tx_ring = kcalloc(sky2->tx_ring_size, sizeof(struct tx_ring_info), |
| 1611 | GFP_KERNEL); |
| 1612 | if (!sky2->tx_ring) |
| 1613 | goto nomem; |
| 1614 | |
| 1615 | sky2->rx_le = pci_alloc_consistent(hw->pdev, RX_LE_BYTES, |
| 1616 | &sky2->rx_le_map); |
| 1617 | if (!sky2->rx_le) |
| 1618 | goto nomem; |
| 1619 | memset(sky2->rx_le, 0, RX_LE_BYTES); |
| 1620 | |
| 1621 | sky2->rx_ring = kcalloc(sky2->rx_pending, sizeof(struct rx_ring_info), |
| 1622 | GFP_KERNEL); |
| 1623 | if (!sky2->rx_ring) |
| 1624 | goto nomem; |
| 1625 | |
Mike McCormack | 200ac492 | 2010-02-12 06:58:03 +0000 | [diff] [blame] | 1626 | return sky2_alloc_rx_skbs(sky2); |
Mike McCormack | 90bbebb | 2009-09-01 03:21:35 +0000 | [diff] [blame] | 1627 | nomem: |
| 1628 | return -ENOMEM; |
| 1629 | } |
| 1630 | |
| 1631 | static void sky2_free_buffers(struct sky2_port *sky2) |
| 1632 | { |
| 1633 | struct sky2_hw *hw = sky2->hw; |
| 1634 | |
Mike McCormack | 200ac492 | 2010-02-12 06:58:03 +0000 | [diff] [blame] | 1635 | sky2_rx_clean(sky2); |
| 1636 | |
Mike McCormack | 90bbebb | 2009-09-01 03:21:35 +0000 | [diff] [blame] | 1637 | if (sky2->rx_le) { |
| 1638 | pci_free_consistent(hw->pdev, RX_LE_BYTES, |
| 1639 | sky2->rx_le, sky2->rx_le_map); |
| 1640 | sky2->rx_le = NULL; |
| 1641 | } |
| 1642 | if (sky2->tx_le) { |
| 1643 | pci_free_consistent(hw->pdev, |
| 1644 | sky2->tx_ring_size * sizeof(struct sky2_tx_le), |
| 1645 | sky2->tx_le, sky2->tx_le_map); |
| 1646 | sky2->tx_le = NULL; |
| 1647 | } |
| 1648 | kfree(sky2->tx_ring); |
| 1649 | kfree(sky2->rx_ring); |
| 1650 | |
| 1651 | sky2->tx_ring = NULL; |
| 1652 | sky2->rx_ring = NULL; |
| 1653 | } |
| 1654 | |
Mike McCormack | ea0f71e | 2010-02-12 06:58:04 +0000 | [diff] [blame] | 1655 | static void sky2_hw_up(struct sky2_port *sky2) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1656 | { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1657 | struct sky2_hw *hw = sky2->hw; |
| 1658 | unsigned port = sky2->port; |
Mike McCormack | ea0f71e | 2010-02-12 06:58:04 +0000 | [diff] [blame] | 1659 | u32 ramsize; |
| 1660 | int cap; |
Stephen Hemminger | 843a46f | 2006-05-11 15:07:28 -0700 | [diff] [blame] | 1661 | struct net_device *otherdev = hw->dev[sky2->port^1]; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1662 | |
Mike McCormack | ea0f71e | 2010-02-12 06:58:04 +0000 | [diff] [blame] | 1663 | tx_init(sky2); |
| 1664 | |
Stephen Hemminger | ee7abb0 | 2006-05-18 11:16:21 -0700 | [diff] [blame] | 1665 | /* |
| 1666 | * On dual port PCI-X card, there is an problem where status |
| 1667 | * can be received out of order due to split transactions |
Stephen Hemminger | 843a46f | 2006-05-11 15:07:28 -0700 | [diff] [blame] | 1668 | */ |
Stephen Hemminger | ee7abb0 | 2006-05-18 11:16:21 -0700 | [diff] [blame] | 1669 | if (otherdev && netif_running(otherdev) && |
| 1670 | (cap = pci_find_capability(hw->pdev, PCI_CAP_ID_PCIX))) { |
Stephen Hemminger | ee7abb0 | 2006-05-18 11:16:21 -0700 | [diff] [blame] | 1671 | u16 cmd; |
Stephen Hemminger | 843a46f | 2006-05-11 15:07:28 -0700 | [diff] [blame] | 1672 | |
Stephen Hemminger | b32f40c | 2007-11-27 10:57:27 -0800 | [diff] [blame] | 1673 | cmd = sky2_pci_read16(hw, cap + PCI_X_CMD); |
Stephen Hemminger | ee7abb0 | 2006-05-18 11:16:21 -0700 | [diff] [blame] | 1674 | cmd &= ~PCI_X_CMD_MAX_SPLIT; |
Stephen Hemminger | b32f40c | 2007-11-27 10:57:27 -0800 | [diff] [blame] | 1675 | sky2_pci_write16(hw, cap + PCI_X_CMD, cmd); |
Mike McCormack | ea0f71e | 2010-02-12 06:58:04 +0000 | [diff] [blame] | 1676 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1677 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1678 | sky2_mac_init(hw, port); |
| 1679 | |
Stephen Hemminger | e0c2811 | 2007-09-20 13:03:49 -0700 | [diff] [blame] | 1680 | /* Register is number of 4K blocks on internal RAM buffer. */ |
| 1681 | ramsize = sky2_read8(hw, B2_E_0) * 4; |
| 1682 | if (ramsize > 0) { |
Stephen Hemminger | 6771290 | 2006-12-04 15:53:45 -0800 | [diff] [blame] | 1683 | u32 rxspace; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1684 | |
Joe Perches | ada1db5 | 2010-02-17 15:01:59 +0000 | [diff] [blame] | 1685 | netdev_dbg(sky2->netdev, "ram buffer %dK\n", ramsize); |
Stephen Hemminger | 6771290 | 2006-12-04 15:53:45 -0800 | [diff] [blame] | 1686 | if (ramsize < 16) |
| 1687 | rxspace = ramsize / 2; |
| 1688 | else |
| 1689 | rxspace = 8 + (2*(ramsize - 16))/3; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1690 | |
Stephen Hemminger | 6771290 | 2006-12-04 15:53:45 -0800 | [diff] [blame] | 1691 | sky2_ramset(hw, rxqaddr[port], 0, rxspace); |
| 1692 | sky2_ramset(hw, txqaddr[port], rxspace, ramsize - rxspace); |
| 1693 | |
| 1694 | /* Make sure SyncQ is disabled */ |
| 1695 | sky2_write8(hw, RB_ADDR(port == 0 ? Q_XS1 : Q_XS2, RB_CTRL), |
| 1696 | RB_RST_SET); |
| 1697 | } |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1698 | |
shemminger@osdl.org | af4ed7e | 2005-11-30 11:45:21 -0800 | [diff] [blame] | 1699 | sky2_qset(hw, txqaddr[port]); |
shemminger@osdl.org | 5a5b1ea | 2005-11-30 11:45:15 -0800 | [diff] [blame] | 1700 | |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 1701 | /* This is copied from sk98lin 10.0.5.3; no one tells me about erratta's */ |
| 1702 | if (hw->chip_id == CHIP_ID_YUKON_EX && hw->chip_rev == CHIP_REV_YU_EX_B0) |
| 1703 | sky2_write32(hw, Q_ADDR(txqaddr[port], Q_TEST), F_TX_CHK_AUTO_OFF); |
| 1704 | |
Stephen Hemminger | 977bdf0 | 2006-02-22 11:44:58 -0800 | [diff] [blame] | 1705 | /* Set almost empty threshold */ |
Joe Perches | 8e95a20 | 2009-12-03 07:58:21 +0000 | [diff] [blame] | 1706 | if (hw->chip_id == CHIP_ID_YUKON_EC_U && |
| 1707 | hw->chip_rev == CHIP_REV_YU_EC_U_A0) |
Stephen Hemminger | b628ed98 | 2007-04-11 14:48:01 -0700 | [diff] [blame] | 1708 | 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] | 1709 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1710 | sky2_prefetch_init(hw, txqaddr[port], sky2->tx_le_map, |
Stephen Hemminger | ee5f68f | 2009-08-18 15:17:08 +0000 | [diff] [blame] | 1711 | sky2->tx_ring_size - 1); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1712 | |
Michał Mirosław | f5d6403 | 2011-04-10 03:13:21 +0000 | [diff] [blame] | 1713 | sky2_vlan_mode(sky2->netdev, sky2->netdev->features); |
| 1714 | netdev_update_features(sky2->netdev); |
Stephen Hemminger | d494eac | 2008-05-14 17:04:13 -0700 | [diff] [blame] | 1715 | |
Mike McCormack | 200ac492 | 2010-02-12 06:58:03 +0000 | [diff] [blame] | 1716 | sky2_rx_start(sky2); |
Mike McCormack | ea0f71e | 2010-02-12 06:58:04 +0000 | [diff] [blame] | 1717 | } |
| 1718 | |
| 1719 | /* Bring up network interface. */ |
| 1720 | static int sky2_up(struct net_device *dev) |
| 1721 | { |
| 1722 | struct sky2_port *sky2 = netdev_priv(dev); |
| 1723 | struct sky2_hw *hw = sky2->hw; |
| 1724 | unsigned port = sky2->port; |
| 1725 | u32 imask; |
| 1726 | int err; |
| 1727 | |
| 1728 | netif_carrier_off(dev); |
| 1729 | |
| 1730 | err = sky2_alloc_buffers(sky2); |
| 1731 | if (err) |
| 1732 | goto err_out; |
| 1733 | |
| 1734 | sky2_hw_up(sky2); |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 1735 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1736 | /* Enable interrupts from phy/mac for port */ |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1737 | imask = sky2_read32(hw, B0_IMSK); |
Stephen Hemminger | f4ea431 | 2006-05-09 14:46:54 -0700 | [diff] [blame] | 1738 | imask |= portirq_msk[port]; |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1739 | sky2_write32(hw, B0_IMSK, imask); |
Stephen Hemminger | 1fd82f3 | 2009-06-17 07:30:34 +0000 | [diff] [blame] | 1740 | sky2_read32(hw, B0_IMSK); |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 1741 | |
Joe Perches | 6c35aba | 2010-02-15 08:34:21 +0000 | [diff] [blame] | 1742 | netif_info(sky2, ifup, dev, "enabling interface\n"); |
Stephen Hemminger | af18d8b | 2009-08-14 15:31:25 -0700 | [diff] [blame] | 1743 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1744 | return 0; |
| 1745 | |
| 1746 | err_out: |
Mike McCormack | 90bbebb | 2009-09-01 03:21:35 +0000 | [diff] [blame] | 1747 | sky2_free_buffers(sky2); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1748 | return err; |
| 1749 | } |
| 1750 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1751 | /* Modular subtraction in ring */ |
Stephen Hemminger | ee5f68f | 2009-08-18 15:17:08 +0000 | [diff] [blame] | 1752 | static inline int tx_inuse(const struct sky2_port *sky2) |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1753 | { |
Stephen Hemminger | ee5f68f | 2009-08-18 15:17:08 +0000 | [diff] [blame] | 1754 | return (sky2->tx_prod - sky2->tx_cons) & (sky2->tx_ring_size - 1); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1755 | } |
| 1756 | |
| 1757 | /* Number of list elements available for next tx */ |
| 1758 | static inline int tx_avail(const struct sky2_port *sky2) |
| 1759 | { |
Stephen Hemminger | ee5f68f | 2009-08-18 15:17:08 +0000 | [diff] [blame] | 1760 | return sky2->tx_pending - tx_inuse(sky2); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1761 | } |
| 1762 | |
| 1763 | /* Estimate of number of transmit list elements required */ |
Stephen Hemminger | 28bd181 | 2006-01-17 13:43:19 -0800 | [diff] [blame] | 1764 | static unsigned tx_le_req(const struct sk_buff *skb) |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1765 | { |
| 1766 | unsigned count; |
| 1767 | |
Stephen Hemminger | 07e3163 | 2009-09-14 06:12:55 +0000 | [diff] [blame] | 1768 | count = (skb_shinfo(skb)->nr_frags + 1) |
| 1769 | * (sizeof(dma_addr_t) / sizeof(u32)); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1770 | |
Herbert Xu | 89114af | 2006-07-08 13:34:32 -0700 | [diff] [blame] | 1771 | if (skb_is_gso(skb)) |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1772 | ++count; |
Stephen Hemminger | 07e3163 | 2009-09-14 06:12:55 +0000 | [diff] [blame] | 1773 | else if (sizeof(dma_addr_t) == sizeof(u32)) |
| 1774 | ++count; /* possible vlan */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1775 | |
Patrick McHardy | 84fa793 | 2006-08-29 16:44:56 -0700 | [diff] [blame] | 1776 | if (skb->ip_summed == CHECKSUM_PARTIAL) |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1777 | ++count; |
| 1778 | |
| 1779 | return count; |
| 1780 | } |
| 1781 | |
stephen hemminger | f681507 | 2010-02-01 13:41:47 +0000 | [diff] [blame] | 1782 | static void sky2_tx_unmap(struct pci_dev *pdev, struct tx_ring_info *re) |
Stephen Hemminger | 6b84dac | 2009-08-18 15:17:09 +0000 | [diff] [blame] | 1783 | { |
| 1784 | if (re->flags & TX_MAP_SINGLE) |
FUJITA Tomonori | 7cd26ce | 2010-04-27 14:57:05 +0000 | [diff] [blame] | 1785 | pci_unmap_single(pdev, dma_unmap_addr(re, mapaddr), |
| 1786 | dma_unmap_len(re, maplen), |
Stephen Hemminger | 6b84dac | 2009-08-18 15:17:09 +0000 | [diff] [blame] | 1787 | PCI_DMA_TODEVICE); |
| 1788 | else if (re->flags & TX_MAP_PAGE) |
FUJITA Tomonori | 7cd26ce | 2010-04-27 14:57:05 +0000 | [diff] [blame] | 1789 | pci_unmap_page(pdev, dma_unmap_addr(re, mapaddr), |
| 1790 | dma_unmap_len(re, maplen), |
Stephen Hemminger | 6b84dac | 2009-08-18 15:17:09 +0000 | [diff] [blame] | 1791 | PCI_DMA_TODEVICE); |
stephen hemminger | f681507 | 2010-02-01 13:41:47 +0000 | [diff] [blame] | 1792 | re->flags = 0; |
Stephen Hemminger | 6b84dac | 2009-08-18 15:17:09 +0000 | [diff] [blame] | 1793 | } |
| 1794 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1795 | /* |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1796 | * Put one packet in ring for transmit. |
| 1797 | * A single packet can generate multiple list elements, and |
| 1798 | * the number of ring elements will probably be less than the number |
| 1799 | * of list elements used. |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1800 | */ |
Stephen Hemminger | 61357325 | 2009-08-31 19:50:58 +0000 | [diff] [blame] | 1801 | static netdev_tx_t sky2_xmit_frame(struct sk_buff *skb, |
| 1802 | struct net_device *dev) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1803 | { |
| 1804 | struct sky2_port *sky2 = netdev_priv(dev); |
| 1805 | struct sky2_hw *hw = sky2->hw; |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 1806 | struct sky2_tx_le *le = NULL; |
Stephen Hemminger | 6cdbbdf | 2005-12-09 11:35:01 -0800 | [diff] [blame] | 1807 | struct tx_ring_info *re; |
Mike McCormack | 9b289c3 | 2009-08-14 05:15:12 +0000 | [diff] [blame] | 1808 | unsigned i, len; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1809 | dma_addr_t mapping; |
Stephen Hemminger | 5dce95e | 2009-08-18 15:17:06 +0000 | [diff] [blame] | 1810 | u32 upper; |
| 1811 | u16 slot; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1812 | u16 mss; |
| 1813 | u8 ctrl; |
| 1814 | |
Stephen Hemminger | 2bb8c26 | 2006-09-26 11:57:42 -0700 | [diff] [blame] | 1815 | if (unlikely(tx_avail(sky2) < tx_le_req(skb))) |
| 1816 | return NETDEV_TX_BUSY; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1817 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1818 | len = skb_headlen(skb); |
| 1819 | mapping = pci_map_single(hw->pdev, skb->data, len, PCI_DMA_TODEVICE); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1820 | |
Stephen Hemminger | 454e6cb6 | 2009-02-03 11:27:28 +0000 | [diff] [blame] | 1821 | if (pci_dma_mapping_error(hw->pdev, mapping)) |
| 1822 | goto mapping_error; |
| 1823 | |
Mike McCormack | 9b289c3 | 2009-08-14 05:15:12 +0000 | [diff] [blame] | 1824 | slot = sky2->tx_prod; |
Joe Perches | 6c35aba | 2010-02-15 08:34:21 +0000 | [diff] [blame] | 1825 | netif_printk(sky2, tx_queued, KERN_DEBUG, dev, |
| 1826 | "tx queued, slot %u, len %d\n", slot, skb->len); |
Stephen Hemminger | 454e6cb6 | 2009-02-03 11:27:28 +0000 | [diff] [blame] | 1827 | |
Stephen Hemminger | 86c6887 | 2008-01-10 16:14:12 -0800 | [diff] [blame] | 1828 | /* Send high bits if needed */ |
Stephen Hemminger | 5dce95e | 2009-08-18 15:17:06 +0000 | [diff] [blame] | 1829 | upper = upper_32_bits(mapping); |
| 1830 | if (upper != sky2->tx_last_upper) { |
Mike McCormack | 9b289c3 | 2009-08-14 05:15:12 +0000 | [diff] [blame] | 1831 | le = get_tx_le(sky2, &slot); |
Stephen Hemminger | 5dce95e | 2009-08-18 15:17:06 +0000 | [diff] [blame] | 1832 | le->addr = cpu_to_le32(upper); |
| 1833 | sky2->tx_last_upper = upper; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1834 | le->opcode = OP_ADDR64 | HW_OWNER; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1835 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1836 | |
| 1837 | /* Check for TCP Segmentation Offload */ |
Herbert Xu | 7967168 | 2006-06-22 02:40:14 -0700 | [diff] [blame] | 1838 | mss = skb_shinfo(skb)->gso_size; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1839 | if (mss != 0) { |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 1840 | |
| 1841 | if (!(hw->flags & SKY2_HW_NEW_LE)) |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 1842 | mss += ETH_HLEN + ip_hdrlen(skb) + tcp_hdrlen(skb); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1843 | |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 1844 | if (mss != sky2->tx_last_mss) { |
Mike McCormack | 9b289c3 | 2009-08-14 05:15:12 +0000 | [diff] [blame] | 1845 | le = get_tx_le(sky2, &slot); |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 1846 | le->addr = cpu_to_le32(mss); |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 1847 | |
| 1848 | if (hw->flags & SKY2_HW_NEW_LE) |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 1849 | le->opcode = OP_MSS | HW_OWNER; |
| 1850 | else |
| 1851 | le->opcode = OP_LRGLEN | HW_OWNER; |
shemminger@osdl.org | e07560c | 2006-08-28 10:00:49 -0700 | [diff] [blame] | 1852 | sky2->tx_last_mss = mss; |
| 1853 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1854 | } |
| 1855 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1856 | ctrl = 0; |
Stephen Hemminger | 86aa778 | 2011-01-09 15:54:15 -0800 | [diff] [blame] | 1857 | |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 1858 | /* Add VLAN tag, can piggyback on LRGLEN or ADDR64 */ |
Jesse Gross | eab6d18 | 2010-10-20 13:56:03 +0000 | [diff] [blame] | 1859 | if (vlan_tx_tag_present(skb)) { |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 1860 | if (!le) { |
Mike McCormack | 9b289c3 | 2009-08-14 05:15:12 +0000 | [diff] [blame] | 1861 | le = get_tx_le(sky2, &slot); |
Stephen Hemminger | f65b138 | 2006-09-06 12:45:02 -0700 | [diff] [blame] | 1862 | le->addr = 0; |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 1863 | le->opcode = OP_VLAN|HW_OWNER; |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 1864 | } else |
| 1865 | le->opcode |= OP_VLAN; |
| 1866 | le->length = cpu_to_be16(vlan_tx_tag_get(skb)); |
| 1867 | ctrl |= INS_VLAN; |
| 1868 | } |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 1869 | |
| 1870 | /* Handle TCP checksum offload */ |
Patrick McHardy | 84fa793 | 2006-08-29 16:44:56 -0700 | [diff] [blame] | 1871 | if (skb->ip_summed == CHECKSUM_PARTIAL) { |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 1872 | /* On Yukon EX (some versions) encoding change. */ |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 1873 | if (hw->flags & SKY2_HW_AUTO_TX_SUM) |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 1874 | ctrl |= CALSUM; /* auto checksum */ |
| 1875 | else { |
| 1876 | const unsigned offset = skb_transport_offset(skb); |
| 1877 | u32 tcpsum; |
Stephen Hemminger | f65b138 | 2006-09-06 12:45:02 -0700 | [diff] [blame] | 1878 | |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 1879 | tcpsum = offset << 16; /* sum start */ |
| 1880 | tcpsum |= offset + skb->csum_offset; /* sum write */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1881 | |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 1882 | ctrl |= CALSUM | WR_SUM | INIT_SUM | LOCK_SUM; |
| 1883 | if (ip_hdr(skb)->protocol == IPPROTO_UDP) |
| 1884 | ctrl |= UDPTCP; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1885 | |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 1886 | if (tcpsum != sky2->tx_tcpsum) { |
| 1887 | sky2->tx_tcpsum = tcpsum; |
shemminger@osdl.org | 1d17933 | 2006-08-28 10:00:50 -0700 | [diff] [blame] | 1888 | |
Mike McCormack | 9b289c3 | 2009-08-14 05:15:12 +0000 | [diff] [blame] | 1889 | le = get_tx_le(sky2, &slot); |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 1890 | le->addr = cpu_to_le32(tcpsum); |
| 1891 | le->length = 0; /* initial checksum value */ |
| 1892 | le->ctrl = 1; /* one packet */ |
| 1893 | le->opcode = OP_TCPLISW | HW_OWNER; |
| 1894 | } |
shemminger@osdl.org | 1d17933 | 2006-08-28 10:00:50 -0700 | [diff] [blame] | 1895 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1896 | } |
| 1897 | |
Stephen Hemminger | 6b84dac | 2009-08-18 15:17:09 +0000 | [diff] [blame] | 1898 | re = sky2->tx_ring + slot; |
| 1899 | re->flags = TX_MAP_SINGLE; |
FUJITA Tomonori | 7cd26ce | 2010-04-27 14:57:05 +0000 | [diff] [blame] | 1900 | dma_unmap_addr_set(re, mapaddr, mapping); |
| 1901 | dma_unmap_len_set(re, maplen, len); |
Stephen Hemminger | 6b84dac | 2009-08-18 15:17:09 +0000 | [diff] [blame] | 1902 | |
Mike McCormack | 9b289c3 | 2009-08-14 05:15:12 +0000 | [diff] [blame] | 1903 | le = get_tx_le(sky2, &slot); |
Stephen Hemminger | d6e74b6 | 2009-08-18 15:17:05 +0000 | [diff] [blame] | 1904 | le->addr = cpu_to_le32(lower_32_bits(mapping)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1905 | le->length = cpu_to_le16(len); |
| 1906 | le->ctrl = ctrl; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1907 | le->opcode = mss ? (OP_LARGESEND | HW_OWNER) : (OP_PACKET | HW_OWNER); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1908 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1909 | |
| 1910 | for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1911 | const skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1912 | |
| 1913 | mapping = pci_map_page(hw->pdev, frag->page, frag->page_offset, |
| 1914 | frag->size, PCI_DMA_TODEVICE); |
Stephen Hemminger | 86c6887 | 2008-01-10 16:14:12 -0800 | [diff] [blame] | 1915 | |
Stephen Hemminger | 454e6cb6 | 2009-02-03 11:27:28 +0000 | [diff] [blame] | 1916 | if (pci_dma_mapping_error(hw->pdev, mapping)) |
| 1917 | goto mapping_unwind; |
| 1918 | |
Stephen Hemminger | 5dce95e | 2009-08-18 15:17:06 +0000 | [diff] [blame] | 1919 | upper = upper_32_bits(mapping); |
| 1920 | if (upper != sky2->tx_last_upper) { |
Mike McCormack | 9b289c3 | 2009-08-14 05:15:12 +0000 | [diff] [blame] | 1921 | le = get_tx_le(sky2, &slot); |
Stephen Hemminger | 5dce95e | 2009-08-18 15:17:06 +0000 | [diff] [blame] | 1922 | le->addr = cpu_to_le32(upper); |
| 1923 | sky2->tx_last_upper = upper; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1924 | le->opcode = OP_ADDR64 | HW_OWNER; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1925 | } |
| 1926 | |
Stephen Hemminger | 6b84dac | 2009-08-18 15:17:09 +0000 | [diff] [blame] | 1927 | re = sky2->tx_ring + slot; |
| 1928 | re->flags = TX_MAP_PAGE; |
FUJITA Tomonori | 7cd26ce | 2010-04-27 14:57:05 +0000 | [diff] [blame] | 1929 | dma_unmap_addr_set(re, mapaddr, mapping); |
| 1930 | dma_unmap_len_set(re, maplen, frag->size); |
Stephen Hemminger | 6b84dac | 2009-08-18 15:17:09 +0000 | [diff] [blame] | 1931 | |
Mike McCormack | 9b289c3 | 2009-08-14 05:15:12 +0000 | [diff] [blame] | 1932 | le = get_tx_le(sky2, &slot); |
Stephen Hemminger | d6e74b6 | 2009-08-18 15:17:05 +0000 | [diff] [blame] | 1933 | le->addr = cpu_to_le32(lower_32_bits(mapping)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1934 | le->length = cpu_to_le16(frag->size); |
| 1935 | le->ctrl = ctrl; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1936 | le->opcode = OP_BUFFER | HW_OWNER; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1937 | } |
Stephen Hemminger | 6cdbbdf | 2005-12-09 11:35:01 -0800 | [diff] [blame] | 1938 | |
Stephen Hemminger | 6b84dac | 2009-08-18 15:17:09 +0000 | [diff] [blame] | 1939 | re->skb = skb; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1940 | le->ctrl |= EOP; |
| 1941 | |
Mike McCormack | 9b289c3 | 2009-08-14 05:15:12 +0000 | [diff] [blame] | 1942 | sky2->tx_prod = slot; |
| 1943 | |
shemminger@osdl.org | 97bda70 | 2006-08-28 10:00:47 -0700 | [diff] [blame] | 1944 | if (tx_avail(sky2) <= MAX_SKB_TX_LE) |
| 1945 | netif_stop_queue(dev); |
Stephen Hemminger | b19666d | 2006-03-07 11:06:36 -0800 | [diff] [blame] | 1946 | |
Stephen Hemminger | 290d4de | 2006-03-20 15:48:15 -0800 | [diff] [blame] | 1947 | sky2_put_idx(hw, txqaddr[sky2->port], sky2->tx_prod); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1948 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1949 | return NETDEV_TX_OK; |
Stephen Hemminger | 454e6cb6 | 2009-02-03 11:27:28 +0000 | [diff] [blame] | 1950 | |
| 1951 | mapping_unwind: |
Stephen Hemminger | ee5f68f | 2009-08-18 15:17:08 +0000 | [diff] [blame] | 1952 | for (i = sky2->tx_prod; i != slot; i = RING_NEXT(i, sky2->tx_ring_size)) { |
Stephen Hemminger | 454e6cb6 | 2009-02-03 11:27:28 +0000 | [diff] [blame] | 1953 | re = sky2->tx_ring + i; |
| 1954 | |
Stephen Hemminger | 6b84dac | 2009-08-18 15:17:09 +0000 | [diff] [blame] | 1955 | sky2_tx_unmap(hw->pdev, re); |
Stephen Hemminger | 454e6cb6 | 2009-02-03 11:27:28 +0000 | [diff] [blame] | 1956 | } |
| 1957 | |
Stephen Hemminger | 454e6cb6 | 2009-02-03 11:27:28 +0000 | [diff] [blame] | 1958 | mapping_error: |
| 1959 | if (net_ratelimit()) |
| 1960 | dev_warn(&hw->pdev->dev, "%s: tx mapping error\n", dev->name); |
| 1961 | dev_kfree_skb(skb); |
| 1962 | return NETDEV_TX_OK; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1963 | } |
| 1964 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1965 | /* |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 1966 | * Free ring elements from starting at tx_cons until "done" |
| 1967 | * |
Stephen Hemminger | 481cea4 | 2009-08-14 15:33:19 -0700 | [diff] [blame] | 1968 | * NB: |
| 1969 | * 1. The hardware will tell us about partial completion of multi-part |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1970 | * buffers so make sure not to free skb to early. |
Stephen Hemminger | 481cea4 | 2009-08-14 15:33:19 -0700 | [diff] [blame] | 1971 | * 2. This may run in parallel start_xmit because the it only |
| 1972 | * looks at the tail of the queue of FIFO (tx_cons), not |
| 1973 | * the head (tx_prod) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1974 | */ |
shemminger@osdl.org | d11c13e | 2005-09-27 15:02:56 -0700 | [diff] [blame] | 1975 | static void sky2_tx_complete(struct sky2_port *sky2, u16 done) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1976 | { |
shemminger@osdl.org | d11c13e | 2005-09-27 15:02:56 -0700 | [diff] [blame] | 1977 | struct net_device *dev = sky2->netdev; |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1978 | unsigned idx; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1979 | |
Stephen Hemminger | ee5f68f | 2009-08-18 15:17:08 +0000 | [diff] [blame] | 1980 | BUG_ON(done >= sky2->tx_ring_size); |
shemminger@osdl.org | 2224795 | 2005-11-30 11:45:19 -0800 | [diff] [blame] | 1981 | |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1982 | for (idx = sky2->tx_cons; idx != done; |
Stephen Hemminger | ee5f68f | 2009-08-18 15:17:08 +0000 | [diff] [blame] | 1983 | idx = RING_NEXT(idx, sky2->tx_ring_size)) { |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 1984 | struct tx_ring_info *re = sky2->tx_ring + idx; |
Stephen Hemminger | 6b84dac | 2009-08-18 15:17:09 +0000 | [diff] [blame] | 1985 | struct sk_buff *skb = re->skb; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1986 | |
Stephen Hemminger | 6b84dac | 2009-08-18 15:17:09 +0000 | [diff] [blame] | 1987 | sky2_tx_unmap(sky2->hw->pdev, re); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 1988 | |
Stephen Hemminger | 6b84dac | 2009-08-18 15:17:09 +0000 | [diff] [blame] | 1989 | if (skb) { |
Joe Perches | 6c35aba | 2010-02-15 08:34:21 +0000 | [diff] [blame] | 1990 | netif_printk(sky2, tx_done, KERN_DEBUG, dev, |
| 1991 | "tx done %u\n", idx); |
Stephen Hemminger | 3cf2675 | 2007-07-09 15:33:35 -0700 | [diff] [blame] | 1992 | |
stephen hemminger | 0885a30 | 2010-12-31 15:34:27 +0000 | [diff] [blame] | 1993 | u64_stats_update_begin(&sky2->tx_stats.syncp); |
| 1994 | ++sky2->tx_stats.packets; |
| 1995 | sky2->tx_stats.bytes += skb->len; |
| 1996 | u64_stats_update_end(&sky2->tx_stats.syncp); |
shemminger@linux-foundation.org | 2bf56fe | 2007-01-26 11:38:39 -0800 | [diff] [blame] | 1997 | |
stephen hemminger | f681507 | 2010-02-01 13:41:47 +0000 | [diff] [blame] | 1998 | re->skb = NULL; |
Stephen Hemminger | 724b694 | 2009-08-18 15:17:10 +0000 | [diff] [blame] | 1999 | dev_kfree_skb_any(skb); |
Stephen Hemminger | bd1c686 | 2009-06-17 07:30:38 +0000 | [diff] [blame] | 2000 | |
Stephen Hemminger | ee5f68f | 2009-08-18 15:17:08 +0000 | [diff] [blame] | 2001 | sky2->tx_next = RING_NEXT(idx, sky2->tx_ring_size); |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 2002 | } |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2003 | } |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2004 | |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 2005 | sky2->tx_cons = idx; |
Stephen Hemminger | 50432cb | 2007-05-14 12:38:15 -0700 | [diff] [blame] | 2006 | smp_mb(); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2007 | } |
| 2008 | |
Mike McCormack | 264bb4f | 2009-08-14 05:15:14 +0000 | [diff] [blame] | 2009 | static void sky2_tx_reset(struct sky2_hw *hw, unsigned port) |
Mike McCormack | a510996 | 2009-08-14 05:15:13 +0000 | [diff] [blame] | 2010 | { |
Mike McCormack | a510996 | 2009-08-14 05:15:13 +0000 | [diff] [blame] | 2011 | /* Disable Force Sync bit and Enable Alloc bit */ |
| 2012 | sky2_write8(hw, SK_REG(port, TXA_CTRL), |
| 2013 | TXA_DIS_FSYNC | TXA_DIS_ALLOC | TXA_STOP_RC); |
| 2014 | |
| 2015 | /* Stop Interval Timer and Limit Counter of Tx Arbiter */ |
| 2016 | sky2_write32(hw, SK_REG(port, TXA_ITI_INI), 0L); |
| 2017 | sky2_write32(hw, SK_REG(port, TXA_LIM_INI), 0L); |
| 2018 | |
| 2019 | /* Reset the PCI FIFO of the async Tx queue */ |
| 2020 | sky2_write32(hw, Q_ADDR(txqaddr[port], Q_CSR), |
| 2021 | BMU_RST_SET | BMU_FIFO_RST); |
| 2022 | |
| 2023 | /* Reset the Tx prefetch units */ |
| 2024 | sky2_write32(hw, Y2_QADDR(txqaddr[port], PREF_UNIT_CTRL), |
| 2025 | PREF_UNIT_RST_SET); |
| 2026 | |
| 2027 | sky2_write32(hw, RB_ADDR(txqaddr[port], RB_CTRL), RB_RST_SET); |
| 2028 | sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_RST_SET); |
| 2029 | } |
| 2030 | |
Mike McCormack | f2b31cb | 2010-02-12 06:58:05 +0000 | [diff] [blame] | 2031 | static void sky2_hw_down(struct sky2_port *sky2) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2032 | { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2033 | struct sky2_hw *hw = sky2->hw; |
| 2034 | unsigned port = sky2->port; |
Mike McCormack | f2b31cb | 2010-02-12 06:58:05 +0000 | [diff] [blame] | 2035 | u16 ctrl; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2036 | |
Stephen Hemminger | d104aca | 2009-06-17 07:30:32 +0000 | [diff] [blame] | 2037 | /* Force flow control off */ |
| 2038 | sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_PAUSE_OFF); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2039 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2040 | /* Stop transmitter */ |
| 2041 | sky2_write32(hw, Q_ADDR(txqaddr[port], Q_CSR), BMU_STOP); |
| 2042 | sky2_read32(hw, Q_ADDR(txqaddr[port], Q_CSR)); |
| 2043 | |
| 2044 | sky2_write32(hw, RB_ADDR(txqaddr[port], RB_CTRL), |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2045 | RB_RST_SET | RB_DIS_OP_MD); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2046 | |
| 2047 | ctrl = gma_read16(hw, port, GM_GP_CTRL); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2048 | ctrl &= ~(GM_GPCR_TX_ENA | GM_GPCR_RX_ENA); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2049 | gma_write16(hw, port, GM_GP_CTRL, ctrl); |
| 2050 | |
| 2051 | sky2_write8(hw, SK_REG(port, GPHY_CTRL), GPC_RST_SET); |
| 2052 | |
| 2053 | /* Workaround shared GMAC reset */ |
Joe Perches | 8e95a20 | 2009-12-03 07:58:21 +0000 | [diff] [blame] | 2054 | if (!(hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev == 0 && |
| 2055 | port == 0 && hw->dev[1] && netif_running(hw->dev[1]))) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2056 | sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_RST_SET); |
| 2057 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2058 | sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_RST_SET); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2059 | |
Stephen Hemminger | 6c83504 | 2009-06-17 07:30:35 +0000 | [diff] [blame] | 2060 | /* Force any delayed status interrrupt and NAPI */ |
| 2061 | sky2_write32(hw, STAT_LEV_TIMER_CNT, 0); |
| 2062 | sky2_write32(hw, STAT_TX_TIMER_CNT, 0); |
| 2063 | sky2_write32(hw, STAT_ISR_TIMER_CNT, 0); |
| 2064 | sky2_read8(hw, STAT_ISR_TIMER_CTRL); |
| 2065 | |
Mike McCormack | a947a39 | 2009-07-21 20:57:56 -0700 | [diff] [blame] | 2066 | sky2_rx_stop(sky2); |
| 2067 | |
Stephen Hemminger | 0da6d7b | 2009-08-14 05:15:15 +0000 | [diff] [blame] | 2068 | spin_lock_bh(&sky2->phy_lock); |
Stephen Hemminger | b96936da7 | 2008-05-14 17:04:15 -0700 | [diff] [blame] | 2069 | sky2_phy_power_down(hw, port); |
Stephen Hemminger | 0da6d7b | 2009-08-14 05:15:15 +0000 | [diff] [blame] | 2070 | spin_unlock_bh(&sky2->phy_lock); |
shemminger@osdl.org | d3bcfbe | 2006-08-28 10:00:51 -0700 | [diff] [blame] | 2071 | |
Mike McCormack | 264bb4f | 2009-08-14 05:15:14 +0000 | [diff] [blame] | 2072 | sky2_tx_reset(hw, port); |
| 2073 | |
Stephen Hemminger | 481cea4 | 2009-08-14 15:33:19 -0700 | [diff] [blame] | 2074 | /* Free any pending frames stuck in HW queue */ |
| 2075 | sky2_tx_complete(sky2, sky2->tx_prod); |
Mike McCormack | f2b31cb | 2010-02-12 06:58:05 +0000 | [diff] [blame] | 2076 | } |
| 2077 | |
| 2078 | /* Network shutdown */ |
| 2079 | static int sky2_down(struct net_device *dev) |
| 2080 | { |
| 2081 | struct sky2_port *sky2 = netdev_priv(dev); |
Mike McCormack | 8a0c922 | 2010-02-12 06:58:06 +0000 | [diff] [blame] | 2082 | struct sky2_hw *hw = sky2->hw; |
Mike McCormack | f2b31cb | 2010-02-12 06:58:05 +0000 | [diff] [blame] | 2083 | |
| 2084 | /* Never really got started! */ |
| 2085 | if (!sky2->tx_le) |
| 2086 | return 0; |
| 2087 | |
Joe Perches | 6c35aba | 2010-02-15 08:34:21 +0000 | [diff] [blame] | 2088 | netif_info(sky2, ifdown, dev, "disabling interface\n"); |
Mike McCormack | f2b31cb | 2010-02-12 06:58:05 +0000 | [diff] [blame] | 2089 | |
Mike McCormack | 8a0c922 | 2010-02-12 06:58:06 +0000 | [diff] [blame] | 2090 | /* Disable port IRQ */ |
| 2091 | sky2_write32(hw, B0_IMSK, |
| 2092 | sky2_read32(hw, B0_IMSK) & ~portirq_msk[sky2->port]); |
| 2093 | sky2_read32(hw, B0_IMSK); |
| 2094 | |
| 2095 | synchronize_irq(hw->pdev->irq); |
| 2096 | napi_synchronize(&hw->napi); |
| 2097 | |
Mike McCormack | f2b31cb | 2010-02-12 06:58:05 +0000 | [diff] [blame] | 2098 | sky2_hw_down(sky2); |
Stephen Hemminger | 481cea4 | 2009-08-14 15:33:19 -0700 | [diff] [blame] | 2099 | |
Mike McCormack | 90bbebb | 2009-09-01 03:21:35 +0000 | [diff] [blame] | 2100 | sky2_free_buffers(sky2); |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 2101 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2102 | return 0; |
| 2103 | } |
| 2104 | |
| 2105 | static u16 sky2_phy_speed(const struct sky2_hw *hw, u16 aux) |
| 2106 | { |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 2107 | if (hw->flags & SKY2_HW_FIBRE_PHY) |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2108 | return SPEED_1000; |
| 2109 | |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 2110 | if (!(hw->flags & SKY2_HW_GIGABIT)) { |
| 2111 | if (aux & PHY_M_PS_SPEED_100) |
| 2112 | return SPEED_100; |
| 2113 | else |
| 2114 | return SPEED_10; |
| 2115 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2116 | |
| 2117 | switch (aux & PHY_M_PS_SPEED_MSK) { |
| 2118 | case PHY_M_PS_SPEED_1000: |
| 2119 | return SPEED_1000; |
| 2120 | case PHY_M_PS_SPEED_100: |
| 2121 | return SPEED_100; |
| 2122 | default: |
| 2123 | return SPEED_10; |
| 2124 | } |
| 2125 | } |
| 2126 | |
| 2127 | static void sky2_link_up(struct sky2_port *sky2) |
| 2128 | { |
| 2129 | struct sky2_hw *hw = sky2->hw; |
| 2130 | unsigned port = sky2->port; |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 2131 | static const char *fc_name[] = { |
| 2132 | [FC_NONE] = "none", |
| 2133 | [FC_TX] = "tx", |
| 2134 | [FC_RX] = "rx", |
| 2135 | [FC_BOTH] = "both", |
| 2136 | }; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2137 | |
stephen hemminger | 8e11680 | 2011-07-07 05:50:58 +0000 | [diff] [blame] | 2138 | sky2_set_ipg(sky2); |
| 2139 | |
Brandon Philips | 38000a9 | 2010-06-16 16:21:58 +0000 | [diff] [blame] | 2140 | sky2_enable_rx_tx(sky2); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2141 | |
| 2142 | gm_phy_write(hw, port, PHY_MARV_INT_MASK, PHY_M_DEF_MSK); |
| 2143 | |
| 2144 | netif_carrier_on(sky2->netdev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2145 | |
Stephen Hemminger | 75e8068 | 2007-09-19 15:36:46 -0700 | [diff] [blame] | 2146 | mod_timer(&hw->watchdog_timer, jiffies + 1); |
Stephen Hemminger | 32c2c30 | 2007-08-21 14:34:03 -0700 | [diff] [blame] | 2147 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2148 | /* Turn on link LED */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2149 | sky2_write8(hw, SK_REG(port, LNK_LED_REG), |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2150 | LINKLED_ON | LINKLED_BLINK_OFF | LINKLED_LINKSYNC_OFF); |
| 2151 | |
Joe Perches | 6c35aba | 2010-02-15 08:34:21 +0000 | [diff] [blame] | 2152 | netif_info(sky2, link, sky2->netdev, |
| 2153 | "Link is up at %d Mbps, %s duplex, flow control %s\n", |
| 2154 | sky2->speed, |
| 2155 | sky2->duplex == DUPLEX_FULL ? "full" : "half", |
| 2156 | fc_name[sky2->flow_status]); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2157 | } |
| 2158 | |
| 2159 | static void sky2_link_down(struct sky2_port *sky2) |
| 2160 | { |
| 2161 | struct sky2_hw *hw = sky2->hw; |
| 2162 | unsigned port = sky2->port; |
| 2163 | u16 reg; |
| 2164 | |
| 2165 | gm_phy_write(hw, port, PHY_MARV_INT_MASK, 0); |
| 2166 | |
| 2167 | reg = gma_read16(hw, port, GM_GP_CTRL); |
| 2168 | reg &= ~(GM_GPCR_RX_ENA | GM_GPCR_TX_ENA); |
| 2169 | gma_write16(hw, port, GM_GP_CTRL, reg); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2170 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2171 | netif_carrier_off(sky2->netdev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2172 | |
Brandon Philips | 809aaaa | 2009-10-29 17:01:49 -0700 | [diff] [blame] | 2173 | /* Turn off link LED */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2174 | sky2_write8(hw, SK_REG(port, LNK_LED_REG), LINKLED_OFF); |
| 2175 | |
Joe Perches | 6c35aba | 2010-02-15 08:34:21 +0000 | [diff] [blame] | 2176 | netif_info(sky2, link, sky2->netdev, "Link is down\n"); |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 2177 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2178 | sky2_phy_init(hw, port); |
| 2179 | } |
| 2180 | |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 2181 | static enum flow_control sky2_flow(int rx, int tx) |
| 2182 | { |
| 2183 | if (rx) |
| 2184 | return tx ? FC_BOTH : FC_RX; |
| 2185 | else |
| 2186 | return tx ? FC_TX : FC_NONE; |
| 2187 | } |
| 2188 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2189 | static int sky2_autoneg_done(struct sky2_port *sky2, u16 aux) |
| 2190 | { |
| 2191 | struct sky2_hw *hw = sky2->hw; |
| 2192 | unsigned port = sky2->port; |
Stephen Hemminger | da4c1ff | 2007-02-15 16:40:32 -0800 | [diff] [blame] | 2193 | u16 advert, lpa; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2194 | |
Stephen Hemminger | da4c1ff | 2007-02-15 16:40:32 -0800 | [diff] [blame] | 2195 | advert = gm_phy_read(hw, port, PHY_MARV_AUNE_ADV); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2196 | lpa = gm_phy_read(hw, port, PHY_MARV_AUNE_LP); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2197 | if (lpa & PHY_M_AN_RF) { |
Joe Perches | ada1db5 | 2010-02-17 15:01:59 +0000 | [diff] [blame] | 2198 | netdev_err(sky2->netdev, "remote fault\n"); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2199 | return -1; |
| 2200 | } |
| 2201 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2202 | if (!(aux & PHY_M_PS_SPDUP_RES)) { |
Joe Perches | ada1db5 | 2010-02-17 15:01:59 +0000 | [diff] [blame] | 2203 | netdev_err(sky2->netdev, "speed/duplex mismatch\n"); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2204 | return -1; |
| 2205 | } |
| 2206 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2207 | sky2->speed = sky2_phy_speed(hw, aux); |
Stephen Hemminger | 7c74ac1 | 2006-10-17 10:24:08 -0700 | [diff] [blame] | 2208 | sky2->duplex = (aux & PHY_M_PS_FULL_DUP) ? DUPLEX_FULL : DUPLEX_HALF; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2209 | |
Stephen Hemminger | da4c1ff | 2007-02-15 16:40:32 -0800 | [diff] [blame] | 2210 | /* Since the pause result bits seem to in different positions on |
| 2211 | * different chips. look at registers. |
| 2212 | */ |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 2213 | if (hw->flags & SKY2_HW_FIBRE_PHY) { |
Stephen Hemminger | da4c1ff | 2007-02-15 16:40:32 -0800 | [diff] [blame] | 2214 | /* Shift for bits in fiber PHY */ |
| 2215 | advert &= ~(ADVERTISE_PAUSE_CAP|ADVERTISE_PAUSE_ASYM); |
| 2216 | lpa &= ~(LPA_PAUSE_CAP|LPA_PAUSE_ASYM); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2217 | |
Stephen Hemminger | da4c1ff | 2007-02-15 16:40:32 -0800 | [diff] [blame] | 2218 | if (advert & ADVERTISE_1000XPAUSE) |
| 2219 | advert |= ADVERTISE_PAUSE_CAP; |
| 2220 | if (advert & ADVERTISE_1000XPSE_ASYM) |
| 2221 | advert |= ADVERTISE_PAUSE_ASYM; |
| 2222 | if (lpa & LPA_1000XPAUSE) |
| 2223 | lpa |= LPA_PAUSE_CAP; |
| 2224 | if (lpa & LPA_1000XPAUSE_ASYM) |
| 2225 | lpa |= LPA_PAUSE_ASYM; |
| 2226 | } |
| 2227 | |
| 2228 | sky2->flow_status = FC_NONE; |
| 2229 | if (advert & ADVERTISE_PAUSE_CAP) { |
| 2230 | if (lpa & LPA_PAUSE_CAP) |
| 2231 | sky2->flow_status = FC_BOTH; |
| 2232 | else if (advert & ADVERTISE_PAUSE_ASYM) |
| 2233 | sky2->flow_status = FC_RX; |
| 2234 | } else if (advert & ADVERTISE_PAUSE_ASYM) { |
| 2235 | if ((lpa & LPA_PAUSE_CAP) && (lpa & LPA_PAUSE_ASYM)) |
| 2236 | sky2->flow_status = FC_TX; |
| 2237 | } |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2238 | |
Joe Perches | 8e95a20 | 2009-12-03 07:58:21 +0000 | [diff] [blame] | 2239 | if (sky2->duplex == DUPLEX_HALF && sky2->speed < SPEED_1000 && |
| 2240 | !(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] | 2241 | sky2->flow_status = FC_NONE; |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 2242 | |
Stephen Hemminger | da4c1ff | 2007-02-15 16:40:32 -0800 | [diff] [blame] | 2243 | if (sky2->flow_status & FC_TX) |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2244 | sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_PAUSE_ON); |
| 2245 | else |
| 2246 | sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_PAUSE_OFF); |
| 2247 | |
| 2248 | return 0; |
| 2249 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2250 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2251 | /* Interrupt from PHY */ |
| 2252 | static void sky2_phy_intr(struct sky2_hw *hw, unsigned port) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2253 | { |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2254 | struct net_device *dev = hw->dev[port]; |
| 2255 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2256 | u16 istatus, phystat; |
| 2257 | |
Stephen Hemminger | ebc646f | 2006-10-17 10:23:56 -0700 | [diff] [blame] | 2258 | if (!netif_running(dev)) |
| 2259 | return; |
| 2260 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2261 | spin_lock(&sky2->phy_lock); |
| 2262 | istatus = gm_phy_read(hw, port, PHY_MARV_INT_STAT); |
| 2263 | phystat = gm_phy_read(hw, port, PHY_MARV_PHY_STAT); |
| 2264 | |
Joe Perches | 6c35aba | 2010-02-15 08:34:21 +0000 | [diff] [blame] | 2265 | netif_info(sky2, intr, sky2->netdev, "phy interrupt status 0x%x 0x%x\n", |
| 2266 | istatus, phystat); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2267 | |
Stephen Hemminger | 0ea065e | 2009-08-14 15:36:41 -0700 | [diff] [blame] | 2268 | if (istatus & PHY_M_IS_AN_COMPL) { |
stephen hemminger | 9badba2 | 2010-03-29 07:36:20 +0000 | [diff] [blame] | 2269 | if (sky2_autoneg_done(sky2, phystat) == 0 && |
| 2270 | !netif_carrier_ok(dev)) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2271 | sky2_link_up(sky2); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2272 | goto out; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2273 | } |
| 2274 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2275 | if (istatus & PHY_M_IS_LSP_CHANGE) |
| 2276 | sky2->speed = sky2_phy_speed(hw, phystat); |
| 2277 | |
| 2278 | if (istatus & PHY_M_IS_DUP_CHANGE) |
| 2279 | sky2->duplex = |
| 2280 | (phystat & PHY_M_PS_FULL_DUP) ? DUPLEX_FULL : DUPLEX_HALF; |
| 2281 | |
| 2282 | if (istatus & PHY_M_IS_LST_CHANGE) { |
| 2283 | if (phystat & PHY_M_PS_LINK_UP) |
| 2284 | sky2_link_up(sky2); |
| 2285 | else |
| 2286 | sky2_link_down(sky2); |
| 2287 | } |
| 2288 | out: |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2289 | spin_unlock(&sky2->phy_lock); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2290 | } |
| 2291 | |
Stephen Hemminger | 0f5aac7 | 2009-10-29 06:37:09 +0000 | [diff] [blame] | 2292 | /* Special quick link interrupt (Yukon-2 Optima only) */ |
| 2293 | static void sky2_qlink_intr(struct sky2_hw *hw) |
| 2294 | { |
| 2295 | struct sky2_port *sky2 = netdev_priv(hw->dev[0]); |
| 2296 | u32 imask; |
| 2297 | u16 phy; |
| 2298 | |
| 2299 | /* disable irq */ |
| 2300 | imask = sky2_read32(hw, B0_IMSK); |
| 2301 | imask &= ~Y2_IS_PHY_QLNK; |
| 2302 | sky2_write32(hw, B0_IMSK, imask); |
| 2303 | |
| 2304 | /* reset PHY Link Detect */ |
| 2305 | phy = sky2_pci_read16(hw, PSM_CONFIG_REG4); |
stephen hemminger | a40ccc6 | 2010-01-24 18:46:06 +0000 | [diff] [blame] | 2306 | sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON); |
Stephen Hemminger | 0f5aac7 | 2009-10-29 06:37:09 +0000 | [diff] [blame] | 2307 | sky2_pci_write16(hw, PSM_CONFIG_REG4, phy | 1); |
stephen hemminger | a40ccc6 | 2010-01-24 18:46:06 +0000 | [diff] [blame] | 2308 | sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF); |
Stephen Hemminger | 0f5aac7 | 2009-10-29 06:37:09 +0000 | [diff] [blame] | 2309 | |
| 2310 | sky2_link_up(sky2); |
| 2311 | } |
| 2312 | |
Stephen Hemminger | 62335ab | 2007-02-06 10:45:42 -0800 | [diff] [blame] | 2313 | /* Transmit timeout is only called if we are running, carrier is up |
Stephen Hemminger | 302d125 | 2006-01-17 13:43:20 -0800 | [diff] [blame] | 2314 | * and tx queue is full (stopped). |
| 2315 | */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2316 | static void sky2_tx_timeout(struct net_device *dev) |
| 2317 | { |
| 2318 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | 8cc048e | 2005-12-09 11:35:07 -0800 | [diff] [blame] | 2319 | struct sky2_hw *hw = sky2->hw; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2320 | |
Joe Perches | 6c35aba | 2010-02-15 08:34:21 +0000 | [diff] [blame] | 2321 | netif_err(sky2, timer, dev, "tx timeout\n"); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2322 | |
Joe Perches | ada1db5 | 2010-02-17 15:01:59 +0000 | [diff] [blame] | 2323 | netdev_printk(KERN_DEBUG, dev, "transmit ring %u .. %u report=%u done=%u\n", |
| 2324 | sky2->tx_cons, sky2->tx_prod, |
| 2325 | sky2_read16(hw, sky2->port == 0 ? STAT_TXA1_RIDX : STAT_TXA2_RIDX), |
| 2326 | sky2_read16(hw, Q_ADDR(txqaddr[sky2->port], Q_DONE))); |
Stephen Hemminger | 8cc048e | 2005-12-09 11:35:07 -0800 | [diff] [blame] | 2327 | |
Stephen Hemminger | 8190679 | 2007-02-15 16:40:33 -0800 | [diff] [blame] | 2328 | /* can't restart safely under softirq */ |
| 2329 | schedule_work(&hw->restart_work); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2330 | } |
| 2331 | |
| 2332 | static int sky2_change_mtu(struct net_device *dev, int new_mtu) |
| 2333 | { |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 2334 | struct sky2_port *sky2 = netdev_priv(dev); |
| 2335 | struct sky2_hw *hw = sky2->hw; |
Stephen Hemminger | b628ed98 | 2007-04-11 14:48:01 -0700 | [diff] [blame] | 2336 | unsigned port = sky2->port; |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 2337 | int err; |
| 2338 | u16 ctl, mode; |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2339 | u32 imask; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2340 | |
stephen hemminger | 44dde56 | 2010-02-12 06:58:01 +0000 | [diff] [blame] | 2341 | /* MTU size outside the spec */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2342 | if (new_mtu < ETH_ZLEN || new_mtu > ETH_JUMBO_MTU) |
| 2343 | return -EINVAL; |
| 2344 | |
stephen hemminger | 44dde56 | 2010-02-12 06:58:01 +0000 | [diff] [blame] | 2345 | /* MTU > 1500 on yukon FE and FE+ not allowed */ |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 2346 | if (new_mtu > ETH_DATA_LEN && |
| 2347 | (hw->chip_id == CHIP_ID_YUKON_FE || |
| 2348 | hw->chip_id == CHIP_ID_YUKON_FE_P)) |
Stephen Hemminger | d2adf4f | 2007-04-11 14:48:02 -0700 | [diff] [blame] | 2349 | return -EINVAL; |
| 2350 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 2351 | if (!netif_running(dev)) { |
| 2352 | dev->mtu = new_mtu; |
Michał Mirosław | f5d6403 | 2011-04-10 03:13:21 +0000 | [diff] [blame] | 2353 | netdev_update_features(dev); |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 2354 | return 0; |
| 2355 | } |
| 2356 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2357 | imask = sky2_read32(hw, B0_IMSK); |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 2358 | sky2_write32(hw, B0_IMSK, 0); |
| 2359 | |
shemminger@osdl.org | 018d1c6 | 2005-11-30 11:45:18 -0800 | [diff] [blame] | 2360 | dev->trans_start = jiffies; /* prevent tx timeout */ |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 2361 | napi_disable(&hw->napi); |
Mike McCormack | df01093 | 2010-05-13 06:12:49 +0000 | [diff] [blame] | 2362 | netif_tx_disable(dev); |
shemminger@osdl.org | 018d1c6 | 2005-11-30 11:45:18 -0800 | [diff] [blame] | 2363 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2364 | synchronize_irq(hw->pdev->irq); |
| 2365 | |
Stephen Hemminger | 39dbd95 | 2008-02-04 19:45:13 -0800 | [diff] [blame] | 2366 | if (!(hw->flags & SKY2_HW_RAM_BUFFER)) |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 2367 | sky2_set_tx_stfwd(hw, port); |
Stephen Hemminger | b628ed98 | 2007-04-11 14:48:01 -0700 | [diff] [blame] | 2368 | |
| 2369 | ctl = gma_read16(hw, port, GM_GP_CTRL); |
| 2370 | 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] | 2371 | sky2_rx_stop(sky2); |
| 2372 | sky2_rx_clean(sky2); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2373 | |
| 2374 | dev->mtu = new_mtu; |
Michał Mirosław | f5d6403 | 2011-04-10 03:13:21 +0000 | [diff] [blame] | 2375 | netdev_update_features(dev); |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 2376 | |
stephen hemminger | 8e11680 | 2011-07-07 05:50:58 +0000 | [diff] [blame] | 2377 | mode = DATA_BLIND_VAL(DATA_BLIND_DEF) | GM_SMOD_VLAN_ENA; |
| 2378 | if (sky2->speed > SPEED_100) |
| 2379 | mode |= IPG_DATA_VAL(IPG_DATA_DEF_1000); |
| 2380 | else |
| 2381 | mode |= IPG_DATA_VAL(IPG_DATA_DEF_10_100); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2382 | |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 2383 | if (dev->mtu > ETH_DATA_LEN) |
| 2384 | mode |= GM_SMOD_JUMBO_ENA; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2385 | |
Stephen Hemminger | b628ed98 | 2007-04-11 14:48:01 -0700 | [diff] [blame] | 2386 | gma_write16(hw, port, GM_SERIAL_MODE, mode); |
shemminger@osdl.org | 6b1a3ae | 2005-09-27 15:02:55 -0700 | [diff] [blame] | 2387 | |
Stephen Hemminger | b628ed98 | 2007-04-11 14:48:01 -0700 | [diff] [blame] | 2388 | 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] | 2389 | |
Mike McCormack | 200ac492 | 2010-02-12 06:58:03 +0000 | [diff] [blame] | 2390 | err = sky2_alloc_rx_skbs(sky2); |
| 2391 | if (!err) |
| 2392 | sky2_rx_start(sky2); |
| 2393 | else |
| 2394 | sky2_rx_clean(sky2); |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2395 | sky2_write32(hw, B0_IMSK, imask); |
shemminger@osdl.org | 018d1c6 | 2005-11-30 11:45:18 -0800 | [diff] [blame] | 2396 | |
David S. Miller | d1d08d1 | 2008-01-07 20:53:33 -0800 | [diff] [blame] | 2397 | sky2_read32(hw, B0_Y2_SP_LISR); |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 2398 | napi_enable(&hw->napi); |
| 2399 | |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 2400 | if (err) |
| 2401 | dev_close(dev); |
| 2402 | else { |
Stephen Hemminger | b628ed98 | 2007-04-11 14:48:01 -0700 | [diff] [blame] | 2403 | gma_write16(hw, port, GM_GP_CTRL, ctl); |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 2404 | |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 2405 | netif_wake_queue(dev); |
| 2406 | } |
| 2407 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2408 | return err; |
| 2409 | } |
| 2410 | |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 2411 | /* For small just reuse existing skb for next receive */ |
| 2412 | static struct sk_buff *receive_copy(struct sky2_port *sky2, |
| 2413 | const struct rx_ring_info *re, |
| 2414 | unsigned length) |
| 2415 | { |
| 2416 | struct sk_buff *skb; |
| 2417 | |
Eric Dumazet | 89d71a6 | 2009-10-13 05:34:20 +0000 | [diff] [blame] | 2418 | skb = netdev_alloc_skb_ip_align(sky2->netdev, length); |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 2419 | if (likely(skb)) { |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 2420 | pci_dma_sync_single_for_cpu(sky2->hw->pdev, re->data_addr, |
| 2421 | length, PCI_DMA_FROMDEVICE); |
Arnaldo Carvalho de Melo | d626f62 | 2007-03-27 18:55:52 -0300 | [diff] [blame] | 2422 | skb_copy_from_linear_data(re->skb, skb->data, length); |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 2423 | skb->ip_summed = re->skb->ip_summed; |
| 2424 | skb->csum = re->skb->csum; |
| 2425 | pci_dma_sync_single_for_device(sky2->hw->pdev, re->data_addr, |
| 2426 | length, PCI_DMA_FROMDEVICE); |
| 2427 | re->skb->ip_summed = CHECKSUM_NONE; |
Stephen Hemminger | 489b10c | 2006-10-03 16:39:12 -0700 | [diff] [blame] | 2428 | skb_put(skb, length); |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 2429 | } |
| 2430 | return skb; |
| 2431 | } |
| 2432 | |
| 2433 | /* Adjust length of skb with fragments to match received data */ |
| 2434 | static void skb_put_frags(struct sk_buff *skb, unsigned int hdr_space, |
| 2435 | unsigned int length) |
| 2436 | { |
| 2437 | int i, num_frags; |
| 2438 | unsigned int size; |
| 2439 | |
| 2440 | /* put header into skb */ |
| 2441 | size = min(length, hdr_space); |
| 2442 | skb->tail += size; |
| 2443 | skb->len += size; |
| 2444 | length -= size; |
| 2445 | |
| 2446 | num_frags = skb_shinfo(skb)->nr_frags; |
| 2447 | for (i = 0; i < num_frags; i++) { |
| 2448 | skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; |
| 2449 | |
| 2450 | if (length == 0) { |
| 2451 | /* don't need this page */ |
| 2452 | __free_page(frag->page); |
| 2453 | --skb_shinfo(skb)->nr_frags; |
| 2454 | } else { |
| 2455 | size = min(length, (unsigned) PAGE_SIZE); |
| 2456 | |
| 2457 | frag->size = size; |
| 2458 | skb->data_len += size; |
| 2459 | skb->truesize += size; |
| 2460 | skb->len += size; |
| 2461 | length -= size; |
| 2462 | } |
| 2463 | } |
| 2464 | } |
| 2465 | |
| 2466 | /* Normal packet - take skb from ring element and put in a new one */ |
| 2467 | static struct sk_buff *receive_new(struct sky2_port *sky2, |
| 2468 | struct rx_ring_info *re, |
| 2469 | unsigned int length) |
| 2470 | { |
stephen hemminger | 3fbd918 | 2010-02-01 13:45:41 +0000 | [diff] [blame] | 2471 | struct sk_buff *skb; |
| 2472 | struct rx_ring_info nre; |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 2473 | unsigned hdr_space = sky2->rx_data_size; |
| 2474 | |
Eric Dumazet | 68ac319 | 2011-07-07 06:13:32 -0700 | [diff] [blame] | 2475 | nre.skb = sky2_rx_alloc(sky2, GFP_ATOMIC); |
stephen hemminger | 3fbd918 | 2010-02-01 13:45:41 +0000 | [diff] [blame] | 2476 | if (unlikely(!nre.skb)) |
| 2477 | goto nobuf; |
| 2478 | |
| 2479 | if (sky2_rx_map_skb(sky2->hw->pdev, &nre, hdr_space)) |
| 2480 | goto nomap; |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 2481 | |
| 2482 | skb = re->skb; |
| 2483 | sky2_rx_unmap_skb(sky2->hw->pdev, re); |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 2484 | prefetch(skb->data); |
stephen hemminger | 3fbd918 | 2010-02-01 13:45:41 +0000 | [diff] [blame] | 2485 | *re = nre; |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 2486 | |
| 2487 | if (skb_shinfo(skb)->nr_frags) |
| 2488 | skb_put_frags(skb, hdr_space, length); |
| 2489 | else |
Stephen Hemminger | 489b10c | 2006-10-03 16:39:12 -0700 | [diff] [blame] | 2490 | skb_put(skb, length); |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 2491 | return skb; |
stephen hemminger | 3fbd918 | 2010-02-01 13:45:41 +0000 | [diff] [blame] | 2492 | |
| 2493 | nomap: |
| 2494 | dev_kfree_skb(nre.skb); |
| 2495 | nobuf: |
| 2496 | return NULL; |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 2497 | } |
| 2498 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2499 | /* |
| 2500 | * Receive one packet. |
shemminger@osdl.org | d571b69 | 2005-10-26 12:16:09 -0700 | [diff] [blame] | 2501 | * For larger packets, get new buffer. |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2502 | */ |
shemminger@osdl.org | 497d7c8 | 2006-08-28 10:00:46 -0700 | [diff] [blame] | 2503 | static struct sk_buff *sky2_receive(struct net_device *dev, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2504 | u16 length, u32 status) |
| 2505 | { |
shemminger@osdl.org | 497d7c8 | 2006-08-28 10:00:46 -0700 | [diff] [blame] | 2506 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | 291ea61 | 2006-09-26 11:57:41 -0700 | [diff] [blame] | 2507 | struct rx_ring_info *re = sky2->rx_ring + sky2->rx_next; |
Stephen Hemminger | 79e57d3 | 2005-09-19 15:42:33 -0700 | [diff] [blame] | 2508 | struct sk_buff *skb = NULL; |
Stephen Hemminger | d653223 | 2007-09-19 15:36:42 -0700 | [diff] [blame] | 2509 | u16 count = (status & GMR_FS_LEN) >> 16; |
| 2510 | |
Stephen Hemminger | 86aa778 | 2011-01-09 15:54:15 -0800 | [diff] [blame] | 2511 | if (status & GMR_FS_VLAN) |
| 2512 | count -= VLAN_HLEN; /* Account for vlan tag */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2513 | |
Joe Perches | 6c35aba | 2010-02-15 08:34:21 +0000 | [diff] [blame] | 2514 | netif_printk(sky2, rx_status, KERN_DEBUG, dev, |
| 2515 | "rx slot %u status 0x%x len %d\n", |
| 2516 | sky2->rx_next, status, length); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2517 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2518 | sky2->rx_next = (sky2->rx_next + 1) % sky2->rx_pending; |
Stephen Hemminger | d70cd51 | 2005-12-09 11:35:09 -0800 | [diff] [blame] | 2519 | prefetch(sky2->rx_ring + sky2->rx_next); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2520 | |
Stephen Hemminger | 3b12e01 | 2007-09-26 17:58:47 -0700 | [diff] [blame] | 2521 | /* This chip has hardware problems that generates bogus status. |
| 2522 | * So do only marginal checking and expect higher level protocols |
| 2523 | * to handle crap frames. |
| 2524 | */ |
| 2525 | if (sky2->hw->chip_id == CHIP_ID_YUKON_FE_P && |
| 2526 | sky2->hw->chip_rev == CHIP_REV_YU_FE2_A0 && |
| 2527 | length != count) |
| 2528 | goto okay; |
| 2529 | |
shemminger@osdl.org | 42eeea0 | 2005-11-30 11:45:13 -0800 | [diff] [blame] | 2530 | if (status & GMR_FS_ANY_ERR) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2531 | goto error; |
| 2532 | |
shemminger@osdl.org | 42eeea0 | 2005-11-30 11:45:13 -0800 | [diff] [blame] | 2533 | if (!(status & GMR_FS_RX_OK)) |
| 2534 | goto resubmit; |
| 2535 | |
Stephen Hemminger | d653223 | 2007-09-19 15:36:42 -0700 | [diff] [blame] | 2536 | /* if length reported by DMA does not match PHY, packet was truncated */ |
| 2537 | if (length != count) |
stephen hemminger | 0885a30 | 2010-12-31 15:34:27 +0000 | [diff] [blame] | 2538 | goto error; |
Stephen Hemminger | 7174953 | 2007-07-09 15:33:40 -0700 | [diff] [blame] | 2539 | |
Stephen Hemminger | 3b12e01 | 2007-09-26 17:58:47 -0700 | [diff] [blame] | 2540 | okay: |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 2541 | if (length < copybreak) |
| 2542 | skb = receive_copy(sky2, re, length); |
| 2543 | else |
| 2544 | skb = receive_new(sky2, re, length); |
Stephen Hemminger | 90c3033 | 2010-02-03 08:31:12 +0000 | [diff] [blame] | 2545 | |
| 2546 | dev->stats.rx_dropped += (skb == NULL); |
| 2547 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2548 | resubmit: |
Stephen Hemminger | 14d0263 | 2006-09-26 11:57:43 -0700 | [diff] [blame] | 2549 | sky2_rx_submit(sky2, re); |
Stephen Hemminger | 79e57d3 | 2005-09-19 15:42:33 -0700 | [diff] [blame] | 2550 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2551 | return skb; |
| 2552 | |
| 2553 | error: |
Stephen Hemminger | 7138a0f | 2007-10-11 19:48:22 -0700 | [diff] [blame] | 2554 | ++dev->stats.rx_errors; |
Stephen Hemminger | 6e15b71 | 2005-12-20 15:08:09 -0800 | [diff] [blame] | 2555 | |
Joe Perches | 6c35aba | 2010-02-15 08:34:21 +0000 | [diff] [blame] | 2556 | if (net_ratelimit()) |
| 2557 | netif_info(sky2, rx_err, dev, |
| 2558 | "rx error, status 0x%x length %d\n", status, length); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2559 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2560 | goto resubmit; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2561 | } |
| 2562 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2563 | /* Transmit complete */ |
| 2564 | static inline void sky2_tx_done(struct net_device *dev, u16 last) |
Stephen Hemminger | 13b97b7 | 2005-12-09 11:35:03 -0800 | [diff] [blame] | 2565 | { |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2566 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | 302d125 | 2006-01-17 13:43:20 -0800 | [diff] [blame] | 2567 | |
Mike McCormack | 8a0c922 | 2010-02-12 06:58:06 +0000 | [diff] [blame] | 2568 | if (netif_running(dev)) { |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2569 | sky2_tx_complete(sky2, last); |
Mike McCormack | 8a0c922 | 2010-02-12 06:58:06 +0000 | [diff] [blame] | 2570 | |
| 2571 | /* Wake unless it's detached, and called e.g. from sky2_down() */ |
| 2572 | if (tx_avail(sky2) > MAX_SKB_TX_LE + 4) |
| 2573 | netif_wake_queue(dev); |
| 2574 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2575 | } |
| 2576 | |
Stephen Hemminger | 37e5a24 | 2009-06-17 07:30:39 +0000 | [diff] [blame] | 2577 | static inline void sky2_skb_rx(const struct sky2_port *sky2, |
| 2578 | u32 status, struct sk_buff *skb) |
| 2579 | { |
Stephen Hemminger | 86aa778 | 2011-01-09 15:54:15 -0800 | [diff] [blame] | 2580 | if (status & GMR_FS_VLAN) |
| 2581 | __vlan_hwaccel_put_tag(skb, be16_to_cpu(sky2->rx_tag)); |
| 2582 | |
Stephen Hemminger | 37e5a24 | 2009-06-17 07:30:39 +0000 | [diff] [blame] | 2583 | if (skb->ip_summed == CHECKSUM_NONE) |
| 2584 | netif_receive_skb(skb); |
| 2585 | else |
| 2586 | napi_gro_receive(&sky2->hw->napi, skb); |
| 2587 | } |
| 2588 | |
Stephen Hemminger | bf15fe99 | 2009-06-17 07:30:36 +0000 | [diff] [blame] | 2589 | static inline void sky2_rx_done(struct sky2_hw *hw, unsigned port, |
| 2590 | unsigned packets, unsigned bytes) |
| 2591 | { |
stephen hemminger | 0885a30 | 2010-12-31 15:34:27 +0000 | [diff] [blame] | 2592 | struct net_device *dev = hw->dev[port]; |
| 2593 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | bf15fe99 | 2009-06-17 07:30:36 +0000 | [diff] [blame] | 2594 | |
stephen hemminger | 0885a30 | 2010-12-31 15:34:27 +0000 | [diff] [blame] | 2595 | if (packets == 0) |
| 2596 | return; |
| 2597 | |
| 2598 | u64_stats_update_begin(&sky2->rx_stats.syncp); |
| 2599 | sky2->rx_stats.packets += packets; |
| 2600 | sky2->rx_stats.bytes += bytes; |
| 2601 | u64_stats_update_end(&sky2->rx_stats.syncp); |
| 2602 | |
| 2603 | dev->last_rx = jiffies; |
| 2604 | sky2_rx_update(netdev_priv(dev), rxqaddr[port]); |
Stephen Hemminger | bf15fe99 | 2009-06-17 07:30:36 +0000 | [diff] [blame] | 2605 | } |
| 2606 | |
stephen hemminger | 375c568 | 2010-02-07 06:28:36 +0000 | [diff] [blame] | 2607 | static void sky2_rx_checksum(struct sky2_port *sky2, u32 status) |
| 2608 | { |
| 2609 | /* If this happens then driver assuming wrong format for chip type */ |
| 2610 | BUG_ON(sky2->hw->flags & SKY2_HW_NEW_LE); |
| 2611 | |
| 2612 | /* Both checksum counters are programmed to start at |
| 2613 | * the same offset, so unless there is a problem they |
| 2614 | * should match. This failure is an early indication that |
| 2615 | * hardware receive checksumming won't work. |
| 2616 | */ |
| 2617 | if (likely((u16)(status >> 16) == (u16)status)) { |
| 2618 | struct sk_buff *skb = sky2->rx_ring[sky2->rx_next].skb; |
| 2619 | skb->ip_summed = CHECKSUM_COMPLETE; |
| 2620 | skb->csum = le16_to_cpu(status); |
| 2621 | } else { |
| 2622 | dev_notice(&sky2->hw->pdev->dev, |
| 2623 | "%s: receive checksum problem (status = %#x)\n", |
| 2624 | sky2->netdev->name, status); |
| 2625 | |
Michał Mirosław | f5d6403 | 2011-04-10 03:13:21 +0000 | [diff] [blame] | 2626 | /* Disable checksum offload |
| 2627 | * It will be reenabled on next ndo_set_features, but if it's |
| 2628 | * really broken, will get disabled again |
| 2629 | */ |
| 2630 | sky2->netdev->features &= ~NETIF_F_RXCSUM; |
stephen hemminger | 375c568 | 2010-02-07 06:28:36 +0000 | [diff] [blame] | 2631 | sky2_write32(sky2->hw, Q_ADDR(rxqaddr[sky2->port], Q_CSR), |
| 2632 | BMU_DIS_RX_CHKSUM); |
| 2633 | } |
| 2634 | } |
| 2635 | |
Stephen Hemminger | bf73130 | 2010-04-24 20:04:12 -0700 | [diff] [blame] | 2636 | static void sky2_rx_hash(struct sky2_port *sky2, u32 status) |
| 2637 | { |
| 2638 | struct sk_buff *skb; |
| 2639 | |
| 2640 | skb = sky2->rx_ring[sky2->rx_next].skb; |
| 2641 | skb->rxhash = le32_to_cpu(status); |
| 2642 | } |
| 2643 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2644 | /* Process status response ring */ |
Stephen Hemminger | 2669183 | 2007-10-11 18:31:13 -0700 | [diff] [blame] | 2645 | 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] | 2646 | { |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2647 | int work_done = 0; |
Stephen Hemminger | bf15fe99 | 2009-06-17 07:30:36 +0000 | [diff] [blame] | 2648 | unsigned int total_bytes[2] = { 0 }; |
| 2649 | unsigned int total_packets[2] = { 0 }; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2650 | |
Stephen Hemminger | af2a58a | 2005-12-09 11:35:04 -0800 | [diff] [blame] | 2651 | rmb(); |
Stephen Hemminger | 2669183 | 2007-10-11 18:31:13 -0700 | [diff] [blame] | 2652 | do { |
Stephen Hemminger | 55c9dd3 | 2007-07-09 15:33:37 -0700 | [diff] [blame] | 2653 | struct sky2_port *sky2; |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 2654 | struct sky2_status_le *le = hw->st_le + hw->st_idx; |
Stephen Hemminger | ab5adec | 2007-11-05 15:52:09 -0800 | [diff] [blame] | 2655 | unsigned port; |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 2656 | struct net_device *dev; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2657 | struct sk_buff *skb; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2658 | u32 status; |
| 2659 | u16 length; |
Stephen Hemminger | ab5adec | 2007-11-05 15:52:09 -0800 | [diff] [blame] | 2660 | u8 opcode = le->opcode; |
| 2661 | |
| 2662 | if (!(opcode & HW_OWNER)) |
| 2663 | break; |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2664 | |
stephen hemminger | efe9193 | 2010-04-22 13:42:56 +0000 | [diff] [blame] | 2665 | hw->st_idx = RING_NEXT(hw->st_idx, hw->st_size); |
shemminger@osdl.org | bea8610 | 2005-10-26 12:16:10 -0700 | [diff] [blame] | 2666 | |
Stephen Hemminger | ab5adec | 2007-11-05 15:52:09 -0800 | [diff] [blame] | 2667 | port = le->css & CSS_LINK_BIT; |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 2668 | dev = hw->dev[port]; |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 2669 | sky2 = netdev_priv(dev); |
Stephen Hemminger | f65b138 | 2006-09-06 12:45:02 -0700 | [diff] [blame] | 2670 | length = le16_to_cpu(le->length); |
| 2671 | status = le32_to_cpu(le->status); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2672 | |
Stephen Hemminger | ab5adec | 2007-11-05 15:52:09 -0800 | [diff] [blame] | 2673 | le->opcode = 0; |
| 2674 | switch (opcode & ~HW_OWNER) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2675 | case OP_RXSTAT: |
Stephen Hemminger | bf15fe99 | 2009-06-17 07:30:36 +0000 | [diff] [blame] | 2676 | total_packets[port]++; |
| 2677 | total_bytes[port] += length; |
Stephen Hemminger | 90c3033 | 2010-02-03 08:31:12 +0000 | [diff] [blame] | 2678 | |
shemminger@osdl.org | 497d7c8 | 2006-08-28 10:00:46 -0700 | [diff] [blame] | 2679 | skb = sky2_receive(dev, length, status); |
Stephen Hemminger | 90c3033 | 2010-02-03 08:31:12 +0000 | [diff] [blame] | 2680 | if (!skb) |
Stephen Hemminger | 55c9dd3 | 2007-07-09 15:33:37 -0700 | [diff] [blame] | 2681 | break; |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 2682 | |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 2683 | /* This chip reports checksum status differently */ |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 2684 | if (hw->flags & SKY2_HW_NEW_LE) { |
Michał Mirosław | f5d6403 | 2011-04-10 03:13:21 +0000 | [diff] [blame] | 2685 | if ((dev->features & NETIF_F_RXCSUM) && |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 2686 | (le->css & (CSS_ISIPV4 | CSS_ISIPV6)) && |
| 2687 | (le->css & CSS_TCPUDPCSOK)) |
| 2688 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
| 2689 | else |
| 2690 | skb->ip_summed = CHECKSUM_NONE; |
| 2691 | } |
| 2692 | |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 2693 | skb->protocol = eth_type_trans(skb, dev); |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 2694 | |
Stephen Hemminger | 37e5a24 | 2009-06-17 07:30:39 +0000 | [diff] [blame] | 2695 | sky2_skb_rx(sky2, status, skb); |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 2696 | |
Stephen Hemminger | 22e1170 | 2006-07-12 15:23:48 -0700 | [diff] [blame] | 2697 | /* Stop after net poll weight */ |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 2698 | if (++work_done >= to_do) |
| 2699 | goto exit_loop; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2700 | break; |
| 2701 | |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 2702 | case OP_RXVLAN: |
| 2703 | sky2->rx_tag = length; |
| 2704 | break; |
| 2705 | |
| 2706 | case OP_RXCHKSVLAN: |
| 2707 | sky2->rx_tag = length; |
| 2708 | /* fall through */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2709 | case OP_RXCHKS: |
Michał Mirosław | f5d6403 | 2011-04-10 03:13:21 +0000 | [diff] [blame] | 2710 | if (likely(dev->features & NETIF_F_RXCSUM)) |
stephen hemminger | 375c568 | 2010-02-07 06:28:36 +0000 | [diff] [blame] | 2711 | sky2_rx_checksum(sky2, status); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2712 | break; |
| 2713 | |
Stephen Hemminger | bf73130 | 2010-04-24 20:04:12 -0700 | [diff] [blame] | 2714 | case OP_RSS_HASH: |
| 2715 | sky2_rx_hash(sky2, status); |
| 2716 | break; |
| 2717 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2718 | case OP_TXINDEXLE: |
Stephen Hemminger | 13b97b7 | 2005-12-09 11:35:03 -0800 | [diff] [blame] | 2719 | /* TX index reports status for both ports */ |
Stephen Hemminger | f55925d | 2006-05-08 15:11:28 -0700 | [diff] [blame] | 2720 | sky2_tx_done(hw->dev[0], status & 0xfff); |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2721 | if (hw->dev[1]) |
| 2722 | sky2_tx_done(hw->dev[1], |
| 2723 | ((status >> 24) & 0xff) |
| 2724 | | (u16)(length & 0xf) << 8); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2725 | break; |
| 2726 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2727 | default: |
| 2728 | if (net_ratelimit()) |
Joe Perches | ada1db5 | 2010-02-17 15:01:59 +0000 | [diff] [blame] | 2729 | pr_warning("unknown status opcode 0x%x\n", opcode); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2730 | } |
Stephen Hemminger | 2669183 | 2007-10-11 18:31:13 -0700 | [diff] [blame] | 2731 | } while (hw->st_idx != idx); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2732 | |
Stephen Hemminger | fe2a24d | 2006-08-01 11:55:23 -0700 | [diff] [blame] | 2733 | /* Fully processed status ring so clear irq */ |
| 2734 | sky2_write32(hw, STAT_CTRL, SC_STAT_CLR_IRQ); |
| 2735 | |
shemminger@osdl.org | 13210ce | 2005-11-30 11:45:14 -0800 | [diff] [blame] | 2736 | exit_loop: |
Stephen Hemminger | bf15fe99 | 2009-06-17 07:30:36 +0000 | [diff] [blame] | 2737 | sky2_rx_done(hw, 0, total_packets[0], total_bytes[0]); |
| 2738 | sky2_rx_done(hw, 1, total_packets[1], total_bytes[1]); |
Stephen Hemminger | 22e1170 | 2006-07-12 15:23:48 -0700 | [diff] [blame] | 2739 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2740 | return work_done; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2741 | } |
| 2742 | |
| 2743 | static void sky2_hw_error(struct sky2_hw *hw, unsigned port, u32 status) |
| 2744 | { |
| 2745 | struct net_device *dev = hw->dev[port]; |
| 2746 | |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 2747 | if (net_ratelimit()) |
Joe Perches | ada1db5 | 2010-02-17 15:01:59 +0000 | [diff] [blame] | 2748 | netdev_info(dev, "hw error interrupt status 0x%x\n", status); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2749 | |
| 2750 | if (status & Y2_IS_PAR_RD1) { |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 2751 | if (net_ratelimit()) |
Joe Perches | ada1db5 | 2010-02-17 15:01:59 +0000 | [diff] [blame] | 2752 | netdev_err(dev, "ram data read parity error\n"); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2753 | /* Clear IRQ */ |
| 2754 | sky2_write16(hw, RAM_BUFFER(port, B3_RI_CTRL), RI_CLR_RD_PERR); |
| 2755 | } |
| 2756 | |
| 2757 | if (status & Y2_IS_PAR_WR1) { |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 2758 | if (net_ratelimit()) |
Joe Perches | ada1db5 | 2010-02-17 15:01:59 +0000 | [diff] [blame] | 2759 | netdev_err(dev, "ram data write parity error\n"); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2760 | |
| 2761 | sky2_write16(hw, RAM_BUFFER(port, B3_RI_CTRL), RI_CLR_WR_PERR); |
| 2762 | } |
| 2763 | |
| 2764 | if (status & Y2_IS_PAR_MAC1) { |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 2765 | if (net_ratelimit()) |
Joe Perches | ada1db5 | 2010-02-17 15:01:59 +0000 | [diff] [blame] | 2766 | netdev_err(dev, "MAC parity error\n"); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2767 | sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_CLI_TX_PE); |
| 2768 | } |
| 2769 | |
| 2770 | if (status & Y2_IS_PAR_RX1) { |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 2771 | if (net_ratelimit()) |
Joe Perches | ada1db5 | 2010-02-17 15:01:59 +0000 | [diff] [blame] | 2772 | netdev_err(dev, "RX parity error\n"); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2773 | sky2_write32(hw, Q_ADDR(rxqaddr[port], Q_CSR), BMU_CLR_IRQ_PAR); |
| 2774 | } |
| 2775 | |
| 2776 | if (status & Y2_IS_TCP_TXA1) { |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 2777 | if (net_ratelimit()) |
Joe Perches | ada1db5 | 2010-02-17 15:01:59 +0000 | [diff] [blame] | 2778 | netdev_err(dev, "TCP segmentation error\n"); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2779 | sky2_write32(hw, Q_ADDR(txqaddr[port], Q_CSR), BMU_CLR_IRQ_TCP); |
| 2780 | } |
| 2781 | } |
| 2782 | |
| 2783 | static void sky2_hw_intr(struct sky2_hw *hw) |
| 2784 | { |
Stephen Hemminger | 555382c | 2007-08-29 12:58:14 -0700 | [diff] [blame] | 2785 | struct pci_dev *pdev = hw->pdev; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2786 | u32 status = sky2_read32(hw, B0_HWE_ISRC); |
Stephen Hemminger | 555382c | 2007-08-29 12:58:14 -0700 | [diff] [blame] | 2787 | u32 hwmsk = sky2_read32(hw, B0_HWE_IMSK); |
| 2788 | |
| 2789 | status &= hwmsk; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2790 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2791 | if (status & Y2_IS_TIST_OV) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2792 | sky2_write8(hw, GMAC_TI_ST_CTRL, GMT_ST_CLR_IRQ); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2793 | |
| 2794 | if (status & (Y2_IS_MST_ERR | Y2_IS_IRQ_STAT)) { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 2795 | u16 pci_err; |
| 2796 | |
stephen hemminger | a40ccc6 | 2010-01-24 18:46:06 +0000 | [diff] [blame] | 2797 | sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON); |
Stephen Hemminger | b32f40c | 2007-11-27 10:57:27 -0800 | [diff] [blame] | 2798 | pci_err = sky2_pci_read16(hw, PCI_STATUS); |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 2799 | if (net_ratelimit()) |
Stephen Hemminger | 555382c | 2007-08-29 12:58:14 -0700 | [diff] [blame] | 2800 | dev_err(&pdev->dev, "PCI hardware error (0x%x)\n", |
Stephen Hemminger | b02a925 | 2007-02-06 10:45:40 -0800 | [diff] [blame] | 2801 | pci_err); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2802 | |
Stephen Hemminger | b32f40c | 2007-11-27 10:57:27 -0800 | [diff] [blame] | 2803 | sky2_pci_write16(hw, PCI_STATUS, |
Stephen Hemminger | 167f53d | 2007-09-25 19:01:02 -0700 | [diff] [blame] | 2804 | pci_err | PCI_STATUS_ERROR_BITS); |
stephen hemminger | a40ccc6 | 2010-01-24 18:46:06 +0000 | [diff] [blame] | 2805 | sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2806 | } |
| 2807 | |
| 2808 | if (status & Y2_IS_PCI_EXP) { |
shemminger@osdl.org | d571b69 | 2005-10-26 12:16:09 -0700 | [diff] [blame] | 2809 | /* PCI-Express uncorrectable Error occurred */ |
Stephen Hemminger | 555382c | 2007-08-29 12:58:14 -0700 | [diff] [blame] | 2810 | u32 err; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2811 | |
stephen hemminger | a40ccc6 | 2010-01-24 18:46:06 +0000 | [diff] [blame] | 2812 | sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON); |
Stephen Hemminger | 7782c8c | 2007-11-27 11:02:32 -0800 | [diff] [blame] | 2813 | err = sky2_read32(hw, Y2_CFG_AER + PCI_ERR_UNCOR_STATUS); |
| 2814 | sky2_write32(hw, Y2_CFG_AER + PCI_ERR_UNCOR_STATUS, |
| 2815 | 0xfffffffful); |
Stephen Hemminger | 3be92a7 | 2006-01-17 13:43:17 -0800 | [diff] [blame] | 2816 | if (net_ratelimit()) |
Stephen Hemminger | 555382c | 2007-08-29 12:58:14 -0700 | [diff] [blame] | 2817 | dev_err(&pdev->dev, "PCI Express error (0x%x)\n", err); |
Stephen Hemminger | cf06ffb | 2007-11-05 15:52:13 -0800 | [diff] [blame] | 2818 | |
Stephen Hemminger | 7782c8c | 2007-11-27 11:02:32 -0800 | [diff] [blame] | 2819 | sky2_read32(hw, Y2_CFG_AER + PCI_ERR_UNCOR_STATUS); |
stephen hemminger | a40ccc6 | 2010-01-24 18:46:06 +0000 | [diff] [blame] | 2820 | sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2821 | } |
| 2822 | |
| 2823 | if (status & Y2_HWE_L1_MASK) |
| 2824 | sky2_hw_error(hw, 0, status); |
| 2825 | status >>= 8; |
| 2826 | if (status & Y2_HWE_L1_MASK) |
| 2827 | sky2_hw_error(hw, 1, status); |
| 2828 | } |
| 2829 | |
| 2830 | static void sky2_mac_intr(struct sky2_hw *hw, unsigned port) |
| 2831 | { |
| 2832 | struct net_device *dev = hw->dev[port]; |
| 2833 | struct sky2_port *sky2 = netdev_priv(dev); |
| 2834 | u8 status = sky2_read8(hw, SK_REG(port, GMAC_IRQ_SRC)); |
| 2835 | |
Joe Perches | 6c35aba | 2010-02-15 08:34:21 +0000 | [diff] [blame] | 2836 | netif_info(sky2, intr, dev, "mac interrupt status 0x%x\n", status); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2837 | |
Stephen Hemminger | a3caead | 2007-05-14 12:38:13 -0700 | [diff] [blame] | 2838 | if (status & GM_IS_RX_CO_OV) |
| 2839 | gma_read16(hw, port, GM_RX_IRQ_SRC); |
| 2840 | |
| 2841 | if (status & GM_IS_TX_CO_OV) |
| 2842 | gma_read16(hw, port, GM_TX_IRQ_SRC); |
| 2843 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2844 | if (status & GM_IS_RX_FF_OR) { |
Stephen Hemminger | 7138a0f | 2007-10-11 19:48:22 -0700 | [diff] [blame] | 2845 | ++dev->stats.rx_fifo_errors; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2846 | sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_CLI_RX_FO); |
| 2847 | } |
| 2848 | |
| 2849 | if (status & GM_IS_TX_FF_UR) { |
Stephen Hemminger | 7138a0f | 2007-10-11 19:48:22 -0700 | [diff] [blame] | 2850 | ++dev->stats.tx_fifo_errors; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2851 | sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_CLI_TX_FU); |
| 2852 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2853 | } |
| 2854 | |
Stephen Hemminger | 40b0172 | 2007-04-11 14:47:59 -0700 | [diff] [blame] | 2855 | /* This should never happen it is a bug. */ |
Stephen Hemminger | c119731 | 2009-08-18 15:17:07 +0000 | [diff] [blame] | 2856 | static void sky2_le_error(struct sky2_hw *hw, unsigned port, u16 q) |
Stephen Hemminger | d257924 | 2006-03-20 15:48:22 -0800 | [diff] [blame] | 2857 | { |
| 2858 | struct net_device *dev = hw->dev[port]; |
Stephen Hemminger | c119731 | 2009-08-18 15:17:07 +0000 | [diff] [blame] | 2859 | u16 idx = sky2_read16(hw, Y2_QADDR(q, PREF_UNIT_GET_IDX)); |
Stephen Hemminger | d257924 | 2006-03-20 15:48:22 -0800 | [diff] [blame] | 2860 | |
Joe Perches | ada1db5 | 2010-02-17 15:01:59 +0000 | [diff] [blame] | 2861 | dev_err(&hw->pdev->dev, "%s: descriptor error q=%#x get=%u put=%u\n", |
Stephen Hemminger | c119731 | 2009-08-18 15:17:07 +0000 | [diff] [blame] | 2862 | dev->name, (unsigned) q, (unsigned) idx, |
| 2863 | (unsigned) sky2_read16(hw, Y2_QADDR(q, PREF_UNIT_PUT_IDX))); |
Stephen Hemminger | d257924 | 2006-03-20 15:48:22 -0800 | [diff] [blame] | 2864 | |
Stephen Hemminger | 40b0172 | 2007-04-11 14:47:59 -0700 | [diff] [blame] | 2865 | sky2_write32(hw, Q_ADDR(q, Q_CSR), BMU_CLR_IRQ_CHK); |
Stephen Hemminger | d257924 | 2006-03-20 15:48:22 -0800 | [diff] [blame] | 2866 | } |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2867 | |
Stephen Hemminger | 75e8068 | 2007-09-19 15:36:46 -0700 | [diff] [blame] | 2868 | static int sky2_rx_hung(struct net_device *dev) |
| 2869 | { |
| 2870 | struct sky2_port *sky2 = netdev_priv(dev); |
| 2871 | struct sky2_hw *hw = sky2->hw; |
| 2872 | unsigned port = sky2->port; |
| 2873 | unsigned rxq = rxqaddr[port]; |
| 2874 | u32 mac_rp = sky2_read32(hw, SK_REG(port, RX_GMF_RP)); |
| 2875 | u8 mac_lev = sky2_read8(hw, SK_REG(port, RX_GMF_RLEV)); |
| 2876 | u8 fifo_rp = sky2_read8(hw, Q_ADDR(rxq, Q_RP)); |
| 2877 | u8 fifo_lev = sky2_read8(hw, Q_ADDR(rxq, Q_RL)); |
| 2878 | |
| 2879 | /* If idle and MAC or PCI is stuck */ |
| 2880 | if (sky2->check.last == dev->last_rx && |
| 2881 | ((mac_rp == sky2->check.mac_rp && |
| 2882 | mac_lev != 0 && mac_lev >= sky2->check.mac_lev) || |
| 2883 | /* Check if the PCI RX hang */ |
| 2884 | (fifo_rp == sky2->check.fifo_rp && |
| 2885 | fifo_lev != 0 && fifo_lev >= sky2->check.fifo_lev))) { |
Joe Perches | ada1db5 | 2010-02-17 15:01:59 +0000 | [diff] [blame] | 2886 | netdev_printk(KERN_DEBUG, dev, |
| 2887 | "hung mac %d:%d fifo %d (%d:%d)\n", |
| 2888 | mac_lev, mac_rp, fifo_lev, |
| 2889 | fifo_rp, sky2_read8(hw, Q_ADDR(rxq, Q_WP))); |
Stephen Hemminger | 75e8068 | 2007-09-19 15:36:46 -0700 | [diff] [blame] | 2890 | return 1; |
| 2891 | } else { |
| 2892 | sky2->check.last = dev->last_rx; |
| 2893 | sky2->check.mac_rp = mac_rp; |
| 2894 | sky2->check.mac_lev = mac_lev; |
| 2895 | sky2->check.fifo_rp = fifo_rp; |
| 2896 | sky2->check.fifo_lev = fifo_lev; |
| 2897 | return 0; |
| 2898 | } |
| 2899 | } |
| 2900 | |
Stephen Hemminger | 32c2c30 | 2007-08-21 14:34:03 -0700 | [diff] [blame] | 2901 | static void sky2_watchdog(unsigned long arg) |
Stephen Hemminger | d27ed38 | 2006-04-25 10:58:51 -0700 | [diff] [blame] | 2902 | { |
Stephen Hemminger | 01bd756 | 2006-05-08 15:11:30 -0700 | [diff] [blame] | 2903 | struct sky2_hw *hw = (struct sky2_hw *) arg; |
Stephen Hemminger | d27ed38 | 2006-04-25 10:58:51 -0700 | [diff] [blame] | 2904 | |
Stephen Hemminger | 75e8068 | 2007-09-19 15:36:46 -0700 | [diff] [blame] | 2905 | /* Check for lost IRQ once a second */ |
Stephen Hemminger | 32c2c30 | 2007-08-21 14:34:03 -0700 | [diff] [blame] | 2906 | if (sky2_read32(hw, B0_ISRC)) { |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 2907 | napi_schedule(&hw->napi); |
Stephen Hemminger | 75e8068 | 2007-09-19 15:36:46 -0700 | [diff] [blame] | 2908 | } else { |
| 2909 | int i, active = 0; |
| 2910 | |
| 2911 | for (i = 0; i < hw->ports; i++) { |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 2912 | struct net_device *dev = hw->dev[i]; |
Stephen Hemminger | 75e8068 | 2007-09-19 15:36:46 -0700 | [diff] [blame] | 2913 | if (!netif_running(dev)) |
| 2914 | continue; |
| 2915 | ++active; |
| 2916 | |
| 2917 | /* For chips with Rx FIFO, check if stuck */ |
Stephen Hemminger | 39dbd95 | 2008-02-04 19:45:13 -0800 | [diff] [blame] | 2918 | if ((hw->flags & SKY2_HW_RAM_BUFFER) && |
Stephen Hemminger | 75e8068 | 2007-09-19 15:36:46 -0700 | [diff] [blame] | 2919 | sky2_rx_hung(dev)) { |
Joe Perches | ada1db5 | 2010-02-17 15:01:59 +0000 | [diff] [blame] | 2920 | netdev_info(dev, "receiver hang detected\n"); |
Stephen Hemminger | 75e8068 | 2007-09-19 15:36:46 -0700 | [diff] [blame] | 2921 | schedule_work(&hw->restart_work); |
| 2922 | return; |
| 2923 | } |
| 2924 | } |
| 2925 | |
| 2926 | if (active == 0) |
| 2927 | return; |
Stephen Hemminger | 32c2c30 | 2007-08-21 14:34:03 -0700 | [diff] [blame] | 2928 | } |
| 2929 | |
Stephen Hemminger | 75e8068 | 2007-09-19 15:36:46 -0700 | [diff] [blame] | 2930 | mod_timer(&hw->watchdog_timer, round_jiffies(jiffies + HZ)); |
Stephen Hemminger | d27ed38 | 2006-04-25 10:58:51 -0700 | [diff] [blame] | 2931 | } |
| 2932 | |
Stephen Hemminger | 40b0172 | 2007-04-11 14:47:59 -0700 | [diff] [blame] | 2933 | /* Hardware/software error handling */ |
| 2934 | static void sky2_err_intr(struct sky2_hw *hw, u32 status) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2935 | { |
Stephen Hemminger | 40b0172 | 2007-04-11 14:47:59 -0700 | [diff] [blame] | 2936 | if (net_ratelimit()) |
| 2937 | dev_warn(&hw->pdev->dev, "error interrupt status=%#x\n", status); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2938 | |
Stephen Hemminger | 1e5f128 | 2006-05-08 15:11:27 -0700 | [diff] [blame] | 2939 | if (status & Y2_IS_HW_ERR) |
| 2940 | sky2_hw_intr(hw); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2941 | |
Stephen Hemminger | 1e5f128 | 2006-05-08 15:11:27 -0700 | [diff] [blame] | 2942 | if (status & Y2_IS_IRQ_MAC1) |
| 2943 | sky2_mac_intr(hw, 0); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2944 | |
Stephen Hemminger | 1e5f128 | 2006-05-08 15:11:27 -0700 | [diff] [blame] | 2945 | if (status & Y2_IS_IRQ_MAC2) |
| 2946 | sky2_mac_intr(hw, 1); |
Stephen Hemminger | d257924 | 2006-03-20 15:48:22 -0800 | [diff] [blame] | 2947 | |
Stephen Hemminger | 1e5f128 | 2006-05-08 15:11:27 -0700 | [diff] [blame] | 2948 | if (status & Y2_IS_CHK_RX1) |
Stephen Hemminger | c119731 | 2009-08-18 15:17:07 +0000 | [diff] [blame] | 2949 | sky2_le_error(hw, 0, Q_R1); |
Stephen Hemminger | d257924 | 2006-03-20 15:48:22 -0800 | [diff] [blame] | 2950 | |
Stephen Hemminger | 1e5f128 | 2006-05-08 15:11:27 -0700 | [diff] [blame] | 2951 | if (status & Y2_IS_CHK_RX2) |
Stephen Hemminger | c119731 | 2009-08-18 15:17:07 +0000 | [diff] [blame] | 2952 | sky2_le_error(hw, 1, Q_R2); |
Stephen Hemminger | d257924 | 2006-03-20 15:48:22 -0800 | [diff] [blame] | 2953 | |
Stephen Hemminger | 1e5f128 | 2006-05-08 15:11:27 -0700 | [diff] [blame] | 2954 | if (status & Y2_IS_CHK_TXA1) |
Stephen Hemminger | c119731 | 2009-08-18 15:17:07 +0000 | [diff] [blame] | 2955 | sky2_le_error(hw, 0, Q_XA1); |
Stephen Hemminger | d257924 | 2006-03-20 15:48:22 -0800 | [diff] [blame] | 2956 | |
Stephen Hemminger | 1e5f128 | 2006-05-08 15:11:27 -0700 | [diff] [blame] | 2957 | if (status & Y2_IS_CHK_TXA2) |
Stephen Hemminger | c119731 | 2009-08-18 15:17:07 +0000 | [diff] [blame] | 2958 | sky2_le_error(hw, 1, Q_XA2); |
Stephen Hemminger | 40b0172 | 2007-04-11 14:47:59 -0700 | [diff] [blame] | 2959 | } |
| 2960 | |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 2961 | static int sky2_poll(struct napi_struct *napi, int work_limit) |
Stephen Hemminger | 40b0172 | 2007-04-11 14:47:59 -0700 | [diff] [blame] | 2962 | { |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 2963 | struct sky2_hw *hw = container_of(napi, struct sky2_hw, napi); |
Stephen Hemminger | 40b0172 | 2007-04-11 14:47:59 -0700 | [diff] [blame] | 2964 | u32 status = sky2_read32(hw, B0_Y2_SP_EISR); |
David S. Miller | 6f53576 | 2007-10-11 18:08:29 -0700 | [diff] [blame] | 2965 | int work_done = 0; |
Stephen Hemminger | 2669183 | 2007-10-11 18:31:13 -0700 | [diff] [blame] | 2966 | u16 idx; |
Stephen Hemminger | 40b0172 | 2007-04-11 14:47:59 -0700 | [diff] [blame] | 2967 | |
| 2968 | if (unlikely(status & Y2_IS_ERROR)) |
| 2969 | sky2_err_intr(hw, status); |
| 2970 | |
| 2971 | if (status & Y2_IS_IRQ_PHY1) |
| 2972 | sky2_phy_intr(hw, 0); |
| 2973 | |
| 2974 | if (status & Y2_IS_IRQ_PHY2) |
| 2975 | sky2_phy_intr(hw, 1); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 2976 | |
Stephen Hemminger | 0f5aac7 | 2009-10-29 06:37:09 +0000 | [diff] [blame] | 2977 | if (status & Y2_IS_PHY_QLNK) |
| 2978 | sky2_qlink_intr(hw); |
| 2979 | |
Stephen Hemminger | 2669183 | 2007-10-11 18:31:13 -0700 | [diff] [blame] | 2980 | while ((idx = sky2_read16(hw, STAT_PUT_IDX)) != hw->st_idx) { |
| 2981 | work_done += sky2_status_intr(hw, work_limit - work_done, idx); |
Stephen Hemminger | 1e5f128 | 2006-05-08 15:11:27 -0700 | [diff] [blame] | 2982 | |
David S. Miller | 6f53576 | 2007-10-11 18:08:29 -0700 | [diff] [blame] | 2983 | if (work_done >= work_limit) |
Stephen Hemminger | 2669183 | 2007-10-11 18:31:13 -0700 | [diff] [blame] | 2984 | goto done; |
Stephen Hemminger | fe2a24d | 2006-08-01 11:55:23 -0700 | [diff] [blame] | 2985 | } |
David S. Miller | 6f53576 | 2007-10-11 18:08:29 -0700 | [diff] [blame] | 2986 | |
Stephen Hemminger | 2669183 | 2007-10-11 18:31:13 -0700 | [diff] [blame] | 2987 | napi_complete(napi); |
| 2988 | sky2_read32(hw, B0_Y2_SP_LISR); |
| 2989 | done: |
| 2990 | |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 2991 | return work_done; |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2992 | } |
| 2993 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 2994 | static irqreturn_t sky2_intr(int irq, void *dev_id) |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2995 | { |
| 2996 | struct sky2_hw *hw = dev_id; |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 2997 | u32 status; |
| 2998 | |
| 2999 | /* Reading this mask interrupts as side effect */ |
| 3000 | status = sky2_read32(hw, B0_Y2_SP_ISRC2); |
| 3001 | if (status == 0 || status == ~0) |
| 3002 | return IRQ_NONE; |
| 3003 | |
| 3004 | prefetch(&hw->st_le[hw->st_idx]); |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 3005 | |
| 3006 | napi_schedule(&hw->napi); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3007 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3008 | return IRQ_HANDLED; |
| 3009 | } |
| 3010 | |
| 3011 | #ifdef CONFIG_NET_POLL_CONTROLLER |
| 3012 | static void sky2_netpoll(struct net_device *dev) |
| 3013 | { |
| 3014 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3015 | |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 3016 | napi_schedule(&sky2->hw->napi); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3017 | } |
| 3018 | #endif |
| 3019 | |
| 3020 | /* Chip internal frequency for clock calculations */ |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 3021 | static u32 sky2_mhz(const struct sky2_hw *hw) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3022 | { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3023 | switch (hw->chip_id) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3024 | case CHIP_ID_YUKON_EC: |
shemminger@osdl.org | 5a5b1ea | 2005-11-30 11:45:15 -0800 | [diff] [blame] | 3025 | case CHIP_ID_YUKON_EC_U: |
Stephen Hemminger | 9374549 | 2007-02-06 10:45:43 -0800 | [diff] [blame] | 3026 | case CHIP_ID_YUKON_EX: |
Stephen Hemminger | ed4d416 | 2008-01-10 16:14:14 -0800 | [diff] [blame] | 3027 | case CHIP_ID_YUKON_SUPR: |
Stephen Hemminger | 0ce8b98 | 2008-06-17 09:04:27 -0700 | [diff] [blame] | 3028 | case CHIP_ID_YUKON_UL_2: |
Stephen Hemminger | 0f5aac7 | 2009-10-29 06:37:09 +0000 | [diff] [blame] | 3029 | case CHIP_ID_YUKON_OPT: |
stephen hemminger | 4fb99cd | 2011-07-07 05:50:59 +0000 | [diff] [blame] | 3030 | case CHIP_ID_YUKON_PRM: |
| 3031 | case CHIP_ID_YUKON_OP_2: |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 3032 | return 125; |
| 3033 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3034 | case CHIP_ID_YUKON_FE: |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 3035 | return 100; |
| 3036 | |
| 3037 | case CHIP_ID_YUKON_FE_P: |
| 3038 | return 50; |
| 3039 | |
| 3040 | case CHIP_ID_YUKON_XL: |
| 3041 | return 156; |
| 3042 | |
| 3043 | default: |
| 3044 | BUG(); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3045 | } |
| 3046 | } |
| 3047 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3048 | static inline u32 sky2_us2clk(const struct sky2_hw *hw, u32 us) |
| 3049 | { |
Stephen Hemminger | fb17358f | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 3050 | return sky2_mhz(hw) * us; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3051 | } |
| 3052 | |
Stephen Hemminger | fb17358f | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 3053 | static inline u32 sky2_clk2us(const struct sky2_hw *hw, u32 clk) |
| 3054 | { |
| 3055 | return clk / sky2_mhz(hw); |
| 3056 | } |
| 3057 | |
| 3058 | |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 3059 | static int __devinit sky2_init(struct sky2_hw *hw) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3060 | { |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 3061 | u8 t8; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3062 | |
Stephen Hemminger | 167f53d | 2007-09-25 19:01:02 -0700 | [diff] [blame] | 3063 | /* Enable all clocks and check for bad PCI access */ |
Stephen Hemminger | b32f40c | 2007-11-27 10:57:27 -0800 | [diff] [blame] | 3064 | sky2_pci_write32(hw, PCI_DEV_REG3, 0); |
Stephen Hemminger | 451af33 | 2007-06-04 17:23:24 -0700 | [diff] [blame] | 3065 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3066 | sky2_write8(hw, B0_CTST, CS_RST_CLR); |
Stephen Hemminger | 08c06d8 | 2006-01-30 11:37:54 -0800 | [diff] [blame] | 3067 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3068 | hw->chip_id = sky2_read8(hw, B2_CHIP_ID); |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 3069 | hw->chip_rev = (sky2_read8(hw, B2_MAC_CFG) & CFG_CHIP_R_MSK) >> 4; |
| 3070 | |
Mike McCormack | 060b946 | 2010-07-29 03:34:52 +0000 | [diff] [blame] | 3071 | switch (hw->chip_id) { |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 3072 | case CHIP_ID_YUKON_XL: |
Stephen Hemminger | 39dbd95 | 2008-02-04 19:45:13 -0800 | [diff] [blame] | 3073 | hw->flags = SKY2_HW_GIGABIT | SKY2_HW_NEWER_PHY; |
Stephen Hemminger | bf73130 | 2010-04-24 20:04:12 -0700 | [diff] [blame] | 3074 | if (hw->chip_rev < CHIP_REV_YU_XL_A2) |
| 3075 | hw->flags |= SKY2_HW_RSS_BROKEN; |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 3076 | break; |
| 3077 | |
| 3078 | case CHIP_ID_YUKON_EC_U: |
| 3079 | hw->flags = SKY2_HW_GIGABIT |
| 3080 | | SKY2_HW_NEWER_PHY |
| 3081 | | SKY2_HW_ADV_POWER_CTL; |
| 3082 | break; |
| 3083 | |
| 3084 | case CHIP_ID_YUKON_EX: |
| 3085 | hw->flags = SKY2_HW_GIGABIT |
| 3086 | | SKY2_HW_NEWER_PHY |
| 3087 | | SKY2_HW_NEW_LE |
stephen hemminger | aa5ca96 | 2011-07-07 13:40:00 +0000 | [diff] [blame] | 3088 | | SKY2_HW_ADV_POWER_CTL |
| 3089 | | SKY2_HW_RSS_CHKSUM; |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 3090 | |
| 3091 | /* New transmit checksum */ |
| 3092 | if (hw->chip_rev != CHIP_REV_YU_EX_B0) |
| 3093 | hw->flags |= SKY2_HW_AUTO_TX_SUM; |
| 3094 | break; |
| 3095 | |
| 3096 | case CHIP_ID_YUKON_EC: |
| 3097 | /* This rev is really old, and requires untested workarounds */ |
| 3098 | if (hw->chip_rev == CHIP_REV_YU_EC_A1) { |
| 3099 | dev_err(&hw->pdev->dev, "unsupported revision Yukon-EC rev A1\n"); |
| 3100 | return -EOPNOTSUPP; |
| 3101 | } |
Stephen Hemminger | bf73130 | 2010-04-24 20:04:12 -0700 | [diff] [blame] | 3102 | hw->flags = SKY2_HW_GIGABIT | SKY2_HW_RSS_BROKEN; |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 3103 | break; |
| 3104 | |
| 3105 | case CHIP_ID_YUKON_FE: |
Stephen Hemminger | bf73130 | 2010-04-24 20:04:12 -0700 | [diff] [blame] | 3106 | hw->flags = SKY2_HW_RSS_BROKEN; |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 3107 | break; |
| 3108 | |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 3109 | case CHIP_ID_YUKON_FE_P: |
| 3110 | hw->flags = SKY2_HW_NEWER_PHY |
| 3111 | | SKY2_HW_NEW_LE |
| 3112 | | SKY2_HW_AUTO_TX_SUM |
| 3113 | | SKY2_HW_ADV_POWER_CTL; |
Stephen Hemminger | 86aa778 | 2011-01-09 15:54:15 -0800 | [diff] [blame] | 3114 | |
| 3115 | /* The workaround for status conflicts VLAN tag detection. */ |
| 3116 | if (hw->chip_rev == CHIP_REV_YU_FE2_A0) |
stephen hemminger | aa5ca96 | 2011-07-07 13:40:00 +0000 | [diff] [blame] | 3117 | hw->flags |= SKY2_HW_VLAN_BROKEN | SKY2_HW_RSS_CHKSUM; |
Stephen Hemminger | 05745c4 | 2007-09-19 15:36:45 -0700 | [diff] [blame] | 3118 | break; |
Stephen Hemminger | ed4d416 | 2008-01-10 16:14:14 -0800 | [diff] [blame] | 3119 | |
| 3120 | case CHIP_ID_YUKON_SUPR: |
| 3121 | hw->flags = SKY2_HW_GIGABIT |
| 3122 | | SKY2_HW_NEWER_PHY |
| 3123 | | SKY2_HW_NEW_LE |
| 3124 | | SKY2_HW_AUTO_TX_SUM |
| 3125 | | SKY2_HW_ADV_POWER_CTL; |
stephen hemminger | aa5ca96 | 2011-07-07 13:40:00 +0000 | [diff] [blame] | 3126 | |
| 3127 | if (hw->chip_rev == CHIP_REV_YU_SU_A0) |
| 3128 | hw->flags |= SKY2_HW_RSS_CHKSUM; |
Stephen Hemminger | ed4d416 | 2008-01-10 16:14:14 -0800 | [diff] [blame] | 3129 | break; |
| 3130 | |
Stephen Hemminger | 0ce8b98 | 2008-06-17 09:04:27 -0700 | [diff] [blame] | 3131 | case CHIP_ID_YUKON_UL_2: |
Takashi Iwai | b338682 | 2009-12-03 05:12:01 +0000 | [diff] [blame] | 3132 | hw->flags = SKY2_HW_GIGABIT |
| 3133 | | SKY2_HW_ADV_POWER_CTL; |
| 3134 | break; |
| 3135 | |
Stephen Hemminger | 0f5aac7 | 2009-10-29 06:37:09 +0000 | [diff] [blame] | 3136 | case CHIP_ID_YUKON_OPT: |
stephen hemminger | 4fb99cd | 2011-07-07 05:50:59 +0000 | [diff] [blame] | 3137 | case CHIP_ID_YUKON_PRM: |
| 3138 | case CHIP_ID_YUKON_OP_2: |
Stephen Hemminger | 0ce8b98 | 2008-06-17 09:04:27 -0700 | [diff] [blame] | 3139 | hw->flags = SKY2_HW_GIGABIT |
Takashi Iwai | b338682 | 2009-12-03 05:12:01 +0000 | [diff] [blame] | 3140 | | SKY2_HW_NEW_LE |
Stephen Hemminger | 0ce8b98 | 2008-06-17 09:04:27 -0700 | [diff] [blame] | 3141 | | SKY2_HW_ADV_POWER_CTL; |
| 3142 | break; |
| 3143 | |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 3144 | default: |
Stephen Hemminger | b02a925 | 2007-02-06 10:45:40 -0800 | [diff] [blame] | 3145 | dev_err(&hw->pdev->dev, "unsupported chip type 0x%x\n", |
| 3146 | hw->chip_id); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3147 | return -EOPNOTSUPP; |
| 3148 | } |
| 3149 | |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 3150 | hw->pmd_type = sky2_read8(hw, B2_PMD_TYP); |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 3151 | if (hw->pmd_type == 'L' || hw->pmd_type == 'S' || hw->pmd_type == 'P') |
| 3152 | hw->flags |= SKY2_HW_FIBRE_PHY; |
| 3153 | |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 3154 | hw->ports = 1; |
| 3155 | t8 = sky2_read8(hw, B2_Y2_HW_RES); |
| 3156 | if ((t8 & CFG_DUAL_MAC_MSK) == CFG_DUAL_MAC_MSK) { |
| 3157 | if (!(sky2_read8(hw, B2_Y2_CLK_GATE) & Y2_STATUS_LNK2_INAC)) |
| 3158 | ++hw->ports; |
| 3159 | } |
| 3160 | |
Mike McCormack | 74a61eb | 2009-09-21 04:08:52 +0000 | [diff] [blame] | 3161 | if (sky2_read8(hw, B2_E_0)) |
| 3162 | hw->flags |= SKY2_HW_RAM_BUFFER; |
| 3163 | |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 3164 | return 0; |
| 3165 | } |
| 3166 | |
| 3167 | static void sky2_reset(struct sky2_hw *hw) |
| 3168 | { |
Stephen Hemminger | 555382c | 2007-08-29 12:58:14 -0700 | [diff] [blame] | 3169 | struct pci_dev *pdev = hw->pdev; |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 3170 | u16 status; |
Jon Mason | 1a10cca | 2011-06-27 07:46:56 +0000 | [diff] [blame] | 3171 | int i; |
Stephen Hemminger | 555382c | 2007-08-29 12:58:14 -0700 | [diff] [blame] | 3172 | u32 hwe_mask = Y2_HWE_ALL_MASK; |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 3173 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3174 | /* disable ASF */ |
stephen hemminger | acd12dd | 2010-02-07 06:24:50 +0000 | [diff] [blame] | 3175 | if (hw->chip_id == CHIP_ID_YUKON_EX |
| 3176 | || hw->chip_id == CHIP_ID_YUKON_SUPR) { |
| 3177 | sky2_write32(hw, CPU_WDOG, 0); |
Stephen Hemminger | 4f44d8b | 2007-04-11 14:48:00 -0700 | [diff] [blame] | 3178 | status = sky2_read16(hw, HCU_CCSR); |
| 3179 | status &= ~(HCU_CCSR_AHB_RST | HCU_CCSR_CPU_RST_MODE | |
| 3180 | HCU_CCSR_UC_STATE_MSK); |
stephen hemminger | acd12dd | 2010-02-07 06:24:50 +0000 | [diff] [blame] | 3181 | /* |
| 3182 | * CPU clock divider shouldn't be used because |
| 3183 | * - ASF firmware may malfunction |
| 3184 | * - Yukon-Supreme: Parallel FLASH doesn't support divided clocks |
| 3185 | */ |
| 3186 | status &= ~HCU_CCSR_CPU_CLK_DIVIDE_MSK; |
Stephen Hemminger | 4f44d8b | 2007-04-11 14:48:00 -0700 | [diff] [blame] | 3187 | sky2_write16(hw, HCU_CCSR, status); |
stephen hemminger | acd12dd | 2010-02-07 06:24:50 +0000 | [diff] [blame] | 3188 | sky2_write32(hw, CPU_WDOG, 0); |
Stephen Hemminger | 4f44d8b | 2007-04-11 14:48:00 -0700 | [diff] [blame] | 3189 | } else |
| 3190 | sky2_write8(hw, B28_Y2_ASF_STAT_CMD, Y2_ASF_RESET); |
| 3191 | sky2_write16(hw, B0_CTST, Y2_ASF_DISABLE); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3192 | |
| 3193 | /* do a SW reset */ |
| 3194 | sky2_write8(hw, B0_CTST, CS_RST_SET); |
| 3195 | sky2_write8(hw, B0_CTST, CS_RST_CLR); |
| 3196 | |
Stephen Hemminger | ac93a39 | 2007-11-05 15:52:08 -0800 | [diff] [blame] | 3197 | /* allow writes to PCI config */ |
| 3198 | sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON); |
| 3199 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3200 | /* clear PCI errors, if any */ |
Stephen Hemminger | b32f40c | 2007-11-27 10:57:27 -0800 | [diff] [blame] | 3201 | status = sky2_pci_read16(hw, PCI_STATUS); |
Stephen Hemminger | 167f53d | 2007-09-25 19:01:02 -0700 | [diff] [blame] | 3202 | status |= PCI_STATUS_ERROR_BITS; |
Stephen Hemminger | b32f40c | 2007-11-27 10:57:27 -0800 | [diff] [blame] | 3203 | sky2_pci_write16(hw, PCI_STATUS, status); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3204 | |
| 3205 | sky2_write8(hw, B0_CTST, CS_MRST_CLR); |
| 3206 | |
Jon Mason | 1a10cca | 2011-06-27 07:46:56 +0000 | [diff] [blame] | 3207 | if (pci_is_pcie(pdev)) { |
Stephen Hemminger | 7782c8c | 2007-11-27 11:02:32 -0800 | [diff] [blame] | 3208 | sky2_write32(hw, Y2_CFG_AER + PCI_ERR_UNCOR_STATUS, |
| 3209 | 0xfffffffful); |
Stephen Hemminger | 7bd656d | 2006-10-09 14:40:38 -0700 | [diff] [blame] | 3210 | |
Stephen Hemminger | 555382c | 2007-08-29 12:58:14 -0700 | [diff] [blame] | 3211 | /* If error bit is stuck on ignore it */ |
| 3212 | if (sky2_read32(hw, B0_HWE_ISRC) & Y2_IS_PCI_EXP) |
| 3213 | dev_info(&pdev->dev, "ignoring stuck error report bit\n"); |
Stephen Hemminger | 7782c8c | 2007-11-27 11:02:32 -0800 | [diff] [blame] | 3214 | else |
Stephen Hemminger | 555382c | 2007-08-29 12:58:14 -0700 | [diff] [blame] | 3215 | hwe_mask |= Y2_IS_PCI_EXP; |
| 3216 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3217 | |
Stephen Hemminger | ae306cc | 2006-12-20 13:06:36 -0800 | [diff] [blame] | 3218 | sky2_power_on(hw); |
stephen hemminger | a40ccc6 | 2010-01-24 18:46:06 +0000 | [diff] [blame] | 3219 | sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3220 | |
| 3221 | for (i = 0; i < hw->ports; i++) { |
| 3222 | sky2_write8(hw, SK_REG(i, GMAC_LINK_CTRL), GMLC_RST_SET); |
| 3223 | sky2_write8(hw, SK_REG(i, GMAC_LINK_CTRL), GMLC_RST_CLR); |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 3224 | |
Stephen Hemminger | ed4d416 | 2008-01-10 16:14:14 -0800 | [diff] [blame] | 3225 | if (hw->chip_id == CHIP_ID_YUKON_EX || |
| 3226 | hw->chip_id == CHIP_ID_YUKON_SUPR) |
Stephen Hemminger | 6916161 | 2007-06-04 17:23:26 -0700 | [diff] [blame] | 3227 | sky2_write16(hw, SK_REG(i, GMAC_CTRL), |
| 3228 | GMC_BYP_MACSECRX_ON | GMC_BYP_MACSECTX_ON |
| 3229 | | GMC_BYP_RETR_ON); |
Stephen Hemminger | 877c857 | 2009-10-29 06:37:08 +0000 | [diff] [blame] | 3230 | |
| 3231 | } |
| 3232 | |
| 3233 | if (hw->chip_id == CHIP_ID_YUKON_SUPR && hw->chip_rev > CHIP_REV_YU_SU_B0) { |
| 3234 | /* enable MACSec clock gating */ |
| 3235 | sky2_pci_write32(hw, PCI_DEV_REG3, P_CLK_MACSEC_DIS); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3236 | } |
| 3237 | |
stephen hemminger | 4fb99cd | 2011-07-07 05:50:59 +0000 | [diff] [blame] | 3238 | if (hw->chip_id == CHIP_ID_YUKON_OPT || |
| 3239 | hw->chip_id == CHIP_ID_YUKON_PRM || |
| 3240 | hw->chip_id == CHIP_ID_YUKON_OP_2) { |
Stephen Hemminger | 0f5aac7 | 2009-10-29 06:37:09 +0000 | [diff] [blame] | 3241 | u16 reg; |
| 3242 | u32 msk; |
| 3243 | |
stephen hemminger | 4fb99cd | 2011-07-07 05:50:59 +0000 | [diff] [blame] | 3244 | if (hw->chip_id == CHIP_ID_YUKON_OPT && hw->chip_rev == 0) { |
Stephen Hemminger | 0f5aac7 | 2009-10-29 06:37:09 +0000 | [diff] [blame] | 3245 | /* disable PCI-E PHY power down (set PHY reg 0x80, bit 7 */ |
| 3246 | sky2_write32(hw, Y2_PEX_PHY_DATA, (0x80UL << 16) | (1 << 7)); |
| 3247 | |
| 3248 | /* set PHY Link Detect Timer to 1.1 second (11x 100ms) */ |
| 3249 | reg = 10; |
stephen hemminger | 4fb99cd | 2011-07-07 05:50:59 +0000 | [diff] [blame] | 3250 | |
| 3251 | /* re-enable PEX PM in PEX PHY debug reg. 8 (clear bit 12) */ |
| 3252 | sky2_write32(hw, Y2_PEX_PHY_DATA, PEX_DB_ACCESS | (0x08UL << 16)); |
Stephen Hemminger | 0f5aac7 | 2009-10-29 06:37:09 +0000 | [diff] [blame] | 3253 | } else { |
| 3254 | /* set PHY Link Detect Timer to 0.4 second (4x 100ms) */ |
| 3255 | reg = 3; |
| 3256 | } |
| 3257 | |
| 3258 | reg <<= PSM_CONFIG_REG4_TIMER_PHY_LINK_DETECT_BASE; |
stephen hemminger | 4fb99cd | 2011-07-07 05:50:59 +0000 | [diff] [blame] | 3259 | reg |= PSM_CONFIG_REG4_RST_PHY_LINK_DETECT; |
Stephen Hemminger | 0f5aac7 | 2009-10-29 06:37:09 +0000 | [diff] [blame] | 3260 | |
| 3261 | /* reset PHY Link Detect */ |
stephen hemminger | a40ccc6 | 2010-01-24 18:46:06 +0000 | [diff] [blame] | 3262 | sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON); |
Stephen Hemminger | 0f5aac7 | 2009-10-29 06:37:09 +0000 | [diff] [blame] | 3263 | sky2_pci_write16(hw, PSM_CONFIG_REG4, reg); |
| 3264 | |
Stephen Hemminger | 0f5aac7 | 2009-10-29 06:37:09 +0000 | [diff] [blame] | 3265 | /* enable PHY Quick Link */ |
| 3266 | msk = sky2_read32(hw, B0_IMSK); |
| 3267 | msk |= Y2_IS_PHY_QLNK; |
| 3268 | sky2_write32(hw, B0_IMSK, msk); |
| 3269 | |
| 3270 | /* check if PSMv2 was running before */ |
| 3271 | reg = sky2_pci_read16(hw, PSM_CONFIG_REG3); |
Jon Mason | 1a10cca | 2011-06-27 07:46:56 +0000 | [diff] [blame] | 3272 | if (reg & PCI_EXP_LNKCTL_ASPMC) |
Stephen Hemminger | 0f5aac7 | 2009-10-29 06:37:09 +0000 | [diff] [blame] | 3273 | /* restore the PCIe Link Control register */ |
Jon Mason | 1a10cca | 2011-06-27 07:46:56 +0000 | [diff] [blame] | 3274 | sky2_pci_write16(hw, pdev->pcie_cap + PCI_EXP_LNKCTL, |
| 3275 | reg); |
| 3276 | |
stephen hemminger | a40ccc6 | 2010-01-24 18:46:06 +0000 | [diff] [blame] | 3277 | sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF); |
Stephen Hemminger | 0f5aac7 | 2009-10-29 06:37:09 +0000 | [diff] [blame] | 3278 | |
| 3279 | /* re-enable PEX PM in PEX PHY debug reg. 8 (clear bit 12) */ |
| 3280 | sky2_write32(hw, Y2_PEX_PHY_DATA, PEX_DB_ACCESS | (0x08UL << 16)); |
| 3281 | } |
| 3282 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3283 | /* Clear I2C IRQ noise */ |
| 3284 | sky2_write32(hw, B2_I2C_IRQ, 1); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3285 | |
| 3286 | /* turn off hardware timer (unused) */ |
| 3287 | sky2_write8(hw, B2_TI_CTRL, TIM_STOP); |
| 3288 | sky2_write8(hw, B2_TI_CTRL, TIM_CLR_IRQ); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3289 | |
Stephen Hemminger | 69634ee | 2005-12-09 11:35:06 -0800 | [diff] [blame] | 3290 | /* Turn off descriptor polling */ |
| 3291 | sky2_write32(hw, B28_DPT_CTRL, DPT_STOP); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3292 | |
| 3293 | /* Turn off receive timestamp */ |
| 3294 | sky2_write8(hw, GMAC_TI_ST_CTRL, GMT_ST_STOP); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3295 | sky2_write8(hw, GMAC_TI_ST_CTRL, GMT_ST_CLR_IRQ); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3296 | |
| 3297 | /* enable the Tx Arbiters */ |
| 3298 | for (i = 0; i < hw->ports; i++) |
| 3299 | sky2_write8(hw, SK_REG(i, TXA_CTRL), TXA_ENA_ARB); |
| 3300 | |
| 3301 | /* Initialize ram interface */ |
| 3302 | for (i = 0; i < hw->ports; i++) { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3303 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_CTRL), RI_RST_CLR); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3304 | |
| 3305 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_WTO_R1), SK_RI_TO_53); |
| 3306 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_WTO_XA1), SK_RI_TO_53); |
| 3307 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_WTO_XS1), SK_RI_TO_53); |
| 3308 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_RTO_R1), SK_RI_TO_53); |
| 3309 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_RTO_XA1), SK_RI_TO_53); |
| 3310 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_RTO_XS1), SK_RI_TO_53); |
| 3311 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_WTO_R2), SK_RI_TO_53); |
| 3312 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_WTO_XA2), SK_RI_TO_53); |
| 3313 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_WTO_XS2), SK_RI_TO_53); |
| 3314 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_RTO_R2), SK_RI_TO_53); |
| 3315 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_RTO_XA2), SK_RI_TO_53); |
| 3316 | sky2_write8(hw, RAM_BUFFER(i, B3_RI_RTO_XS2), SK_RI_TO_53); |
| 3317 | } |
| 3318 | |
Stephen Hemminger | 555382c | 2007-08-29 12:58:14 -0700 | [diff] [blame] | 3319 | sky2_write32(hw, B0_HWE_IMSK, hwe_mask); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3320 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3321 | for (i = 0; i < hw->ports; i++) |
shemminger@osdl.org | d3bcfbe | 2006-08-28 10:00:51 -0700 | [diff] [blame] | 3322 | sky2_gmac_reset(hw, i); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3323 | |
stephen hemminger | efe9193 | 2010-04-22 13:42:56 +0000 | [diff] [blame] | 3324 | memset(hw->st_le, 0, hw->st_size * sizeof(struct sky2_status_le)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3325 | hw->st_idx = 0; |
| 3326 | |
| 3327 | sky2_write32(hw, STAT_CTRL, SC_STAT_RST_SET); |
| 3328 | sky2_write32(hw, STAT_CTRL, SC_STAT_RST_CLR); |
| 3329 | |
| 3330 | sky2_write32(hw, STAT_LIST_ADDR_LO, hw->st_dma); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3331 | sky2_write32(hw, STAT_LIST_ADDR_HI, (u64) hw->st_dma >> 32); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3332 | |
| 3333 | /* Set the list last index */ |
stephen hemminger | efe9193 | 2010-04-22 13:42:56 +0000 | [diff] [blame] | 3334 | sky2_write16(hw, STAT_LAST_IDX, hw->st_size - 1); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3335 | |
Stephen Hemminger | 290d4de | 2006-03-20 15:48:15 -0800 | [diff] [blame] | 3336 | sky2_write16(hw, STAT_TX_IDX_TH, 10); |
| 3337 | sky2_write8(hw, STAT_FIFO_WM, 16); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3338 | |
Stephen Hemminger | 290d4de | 2006-03-20 15:48:15 -0800 | [diff] [blame] | 3339 | /* set Status-FIFO ISR watermark */ |
| 3340 | if (hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev == 0) |
| 3341 | sky2_write8(hw, STAT_FIFO_ISR_WM, 4); |
| 3342 | else |
| 3343 | sky2_write8(hw, STAT_FIFO_ISR_WM, 16); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3344 | |
Stephen Hemminger | 290d4de | 2006-03-20 15:48:15 -0800 | [diff] [blame] | 3345 | sky2_write32(hw, STAT_TX_TIMER_INI, sky2_us2clk(hw, 1000)); |
Stephen Hemminger | 77b3d6a | 2006-03-20 15:48:18 -0800 | [diff] [blame] | 3346 | sky2_write32(hw, STAT_ISR_TIMER_INI, sky2_us2clk(hw, 20)); |
| 3347 | sky2_write32(hw, STAT_LEV_TIMER_INI, sky2_us2clk(hw, 100)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3348 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3349 | /* enable status unit */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3350 | sky2_write32(hw, STAT_CTRL, SC_STAT_OP_ON); |
| 3351 | |
| 3352 | sky2_write8(hw, STAT_TX_TIMER_CTRL, TIM_START); |
| 3353 | sky2_write8(hw, STAT_LEV_TIMER_CTRL, TIM_START); |
| 3354 | sky2_write8(hw, STAT_ISR_TIMER_CTRL, TIM_START); |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 3355 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3356 | |
Stephen Hemminger | af18d8b | 2009-08-14 15:31:25 -0700 | [diff] [blame] | 3357 | /* Take device down (offline). |
| 3358 | * Equivalent to doing dev_stop() but this does not |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 3359 | * inform upper layers of the transition. |
Stephen Hemminger | af18d8b | 2009-08-14 15:31:25 -0700 | [diff] [blame] | 3360 | */ |
| 3361 | static void sky2_detach(struct net_device *dev) |
| 3362 | { |
| 3363 | if (netif_running(dev)) { |
Mike McCormack | c36531b | 2009-12-31 00:55:31 +0000 | [diff] [blame] | 3364 | netif_tx_lock(dev); |
Stephen Hemminger | af18d8b | 2009-08-14 15:31:25 -0700 | [diff] [blame] | 3365 | netif_device_detach(dev); /* stop txq */ |
Mike McCormack | c36531b | 2009-12-31 00:55:31 +0000 | [diff] [blame] | 3366 | netif_tx_unlock(dev); |
Stephen Hemminger | af18d8b | 2009-08-14 15:31:25 -0700 | [diff] [blame] | 3367 | sky2_down(dev); |
| 3368 | } |
| 3369 | } |
| 3370 | |
| 3371 | /* Bring device back after doing sky2_detach */ |
| 3372 | static int sky2_reattach(struct net_device *dev) |
| 3373 | { |
| 3374 | int err = 0; |
| 3375 | |
| 3376 | if (netif_running(dev)) { |
| 3377 | err = sky2_up(dev); |
| 3378 | if (err) { |
Joe Perches | ada1db5 | 2010-02-17 15:01:59 +0000 | [diff] [blame] | 3379 | netdev_info(dev, "could not restart %d\n", err); |
Stephen Hemminger | af18d8b | 2009-08-14 15:31:25 -0700 | [diff] [blame] | 3380 | dev_close(dev); |
| 3381 | } else { |
| 3382 | netif_device_attach(dev); |
| 3383 | sky2_set_multicast(dev); |
| 3384 | } |
| 3385 | } |
| 3386 | |
| 3387 | return err; |
| 3388 | } |
| 3389 | |
Mike McCormack | d72ff8f | 2010-05-13 06:12:51 +0000 | [diff] [blame] | 3390 | static void sky2_all_down(struct sky2_hw *hw) |
Stephen Hemminger | 8190679 | 2007-02-15 16:40:33 -0800 | [diff] [blame] | 3391 | { |
Stephen Hemminger | af18d8b | 2009-08-14 15:31:25 -0700 | [diff] [blame] | 3392 | int i; |
Stephen Hemminger | 8190679 | 2007-02-15 16:40:33 -0800 | [diff] [blame] | 3393 | |
Mike McCormack | d72ff8f | 2010-05-13 06:12:51 +0000 | [diff] [blame] | 3394 | sky2_read32(hw, B0_IMSK); |
Stephen Hemminger | 8cfcbe9 | 2007-12-03 17:02:17 -0800 | [diff] [blame] | 3395 | sky2_write32(hw, B0_IMSK, 0); |
Mike McCormack | 93135a3 | 2010-05-13 06:12:50 +0000 | [diff] [blame] | 3396 | synchronize_irq(hw->pdev->irq); |
| 3397 | napi_disable(&hw->napi); |
Stephen Hemminger | 8190679 | 2007-02-15 16:40:33 -0800 | [diff] [blame] | 3398 | |
Mike McCormack | 8a0c922 | 2010-02-12 06:58:06 +0000 | [diff] [blame] | 3399 | for (i = 0; i < hw->ports; i++) { |
| 3400 | struct net_device *dev = hw->dev[i]; |
| 3401 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3402 | |
| 3403 | if (!netif_running(dev)) |
| 3404 | continue; |
| 3405 | |
| 3406 | netif_carrier_off(dev); |
| 3407 | netif_tx_disable(dev); |
| 3408 | sky2_hw_down(sky2); |
| 3409 | } |
Mike McCormack | d72ff8f | 2010-05-13 06:12:51 +0000 | [diff] [blame] | 3410 | } |
Mike McCormack | 8a0c922 | 2010-02-12 06:58:06 +0000 | [diff] [blame] | 3411 | |
Mike McCormack | d72ff8f | 2010-05-13 06:12:51 +0000 | [diff] [blame] | 3412 | static void sky2_all_up(struct sky2_hw *hw) |
| 3413 | { |
| 3414 | u32 imask = Y2_IS_BASE; |
| 3415 | int i; |
Mike McCormack | 8a0c922 | 2010-02-12 06:58:06 +0000 | [diff] [blame] | 3416 | |
| 3417 | for (i = 0; i < hw->ports; i++) { |
| 3418 | struct net_device *dev = hw->dev[i]; |
| 3419 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3420 | |
| 3421 | if (!netif_running(dev)) |
| 3422 | continue; |
| 3423 | |
| 3424 | sky2_hw_up(sky2); |
Mike McCormack | 3765252 | 2010-05-13 06:12:48 +0000 | [diff] [blame] | 3425 | sky2_set_multicast(dev); |
Mike McCormack | d72ff8f | 2010-05-13 06:12:51 +0000 | [diff] [blame] | 3426 | imask |= portirq_msk[i]; |
Mike McCormack | 8a0c922 | 2010-02-12 06:58:06 +0000 | [diff] [blame] | 3427 | netif_wake_queue(dev); |
| 3428 | } |
| 3429 | |
| 3430 | sky2_write32(hw, B0_IMSK, imask); |
| 3431 | sky2_read32(hw, B0_IMSK); |
| 3432 | |
| 3433 | sky2_read32(hw, B0_Y2_SP_LISR); |
| 3434 | napi_enable(&hw->napi); |
Mike McCormack | d72ff8f | 2010-05-13 06:12:51 +0000 | [diff] [blame] | 3435 | } |
| 3436 | |
| 3437 | static void sky2_restart(struct work_struct *work) |
| 3438 | { |
| 3439 | struct sky2_hw *hw = container_of(work, struct sky2_hw, restart_work); |
| 3440 | |
| 3441 | rtnl_lock(); |
| 3442 | |
| 3443 | sky2_all_down(hw); |
| 3444 | sky2_reset(hw); |
| 3445 | sky2_all_up(hw); |
Stephen Hemminger | 8190679 | 2007-02-15 16:40:33 -0800 | [diff] [blame] | 3446 | |
Stephen Hemminger | 8190679 | 2007-02-15 16:40:33 -0800 | [diff] [blame] | 3447 | rtnl_unlock(); |
| 3448 | } |
| 3449 | |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 3450 | static inline u8 sky2_wol_supported(const struct sky2_hw *hw) |
| 3451 | { |
| 3452 | return sky2_is_copper(hw) ? (WAKE_PHY | WAKE_MAGIC) : 0; |
| 3453 | } |
| 3454 | |
| 3455 | static void sky2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) |
| 3456 | { |
| 3457 | const struct sky2_port *sky2 = netdev_priv(dev); |
| 3458 | |
| 3459 | wol->supported = sky2_wol_supported(sky2->hw); |
| 3460 | wol->wolopts = sky2->wol; |
| 3461 | } |
| 3462 | |
| 3463 | static int sky2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) |
| 3464 | { |
| 3465 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3466 | struct sky2_hw *hw = sky2->hw; |
Rafael J. Wysocki | 0f333d1 | 2010-12-26 08:44:32 +0000 | [diff] [blame] | 3467 | bool enable_wakeup = false; |
| 3468 | int i; |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 3469 | |
Joe Perches | 8e95a20 | 2009-12-03 07:58:21 +0000 | [diff] [blame] | 3470 | if ((wol->wolopts & ~sky2_wol_supported(sky2->hw)) || |
| 3471 | !device_can_wakeup(&hw->pdev->dev)) |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 3472 | return -EOPNOTSUPP; |
| 3473 | |
| 3474 | sky2->wol = wol->wolopts; |
Rafael J. Wysocki | 0f333d1 | 2010-12-26 08:44:32 +0000 | [diff] [blame] | 3475 | |
| 3476 | for (i = 0; i < hw->ports; i++) { |
| 3477 | struct net_device *dev = hw->dev[i]; |
| 3478 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3479 | |
| 3480 | if (sky2->wol) |
| 3481 | enable_wakeup = true; |
| 3482 | } |
| 3483 | device_set_wakeup_enable(&hw->pdev->dev, enable_wakeup); |
| 3484 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3485 | return 0; |
| 3486 | } |
| 3487 | |
Stephen Hemminger | 28bd181 | 2006-01-17 13:43:19 -0800 | [diff] [blame] | 3488 | static u32 sky2_supported_modes(const struct sky2_hw *hw) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3489 | { |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 3490 | if (sky2_is_copper(hw)) { |
| 3491 | u32 modes = SUPPORTED_10baseT_Half |
| 3492 | | SUPPORTED_10baseT_Full |
| 3493 | | SUPPORTED_100baseT_Half |
Stephen Hemminger | 2aca31e | 2011-01-06 18:40:36 +0000 | [diff] [blame] | 3494 | | SUPPORTED_100baseT_Full; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3495 | |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 3496 | if (hw->flags & SKY2_HW_GIGABIT) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3497 | modes |= SUPPORTED_1000baseT_Half |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 3498 | | SUPPORTED_1000baseT_Full; |
| 3499 | return modes; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3500 | } else |
Stephen Hemminger | 2aca31e | 2011-01-06 18:40:36 +0000 | [diff] [blame] | 3501 | return SUPPORTED_1000baseT_Half |
| 3502 | | SUPPORTED_1000baseT_Full; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3503 | } |
| 3504 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3505 | 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] | 3506 | { |
| 3507 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3508 | struct sky2_hw *hw = sky2->hw; |
| 3509 | |
| 3510 | ecmd->transceiver = XCVR_INTERNAL; |
| 3511 | ecmd->supported = sky2_supported_modes(hw); |
| 3512 | ecmd->phy_address = PHY_ADDR_MARV; |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 3513 | if (sky2_is_copper(hw)) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3514 | ecmd->port = PORT_TP; |
David Decotigny | 7073949 | 2011-04-27 18:32:40 +0000 | [diff] [blame] | 3515 | ethtool_cmd_speed_set(ecmd, sky2->speed); |
Stephen Hemminger | 2aca31e | 2011-01-06 18:40:36 +0000 | [diff] [blame] | 3516 | ecmd->supported |= SUPPORTED_Autoneg | SUPPORTED_TP; |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 3517 | } else { |
David Decotigny | 7073949 | 2011-04-27 18:32:40 +0000 | [diff] [blame] | 3518 | ethtool_cmd_speed_set(ecmd, SPEED_1000); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3519 | ecmd->port = PORT_FIBRE; |
Stephen Hemminger | 2aca31e | 2011-01-06 18:40:36 +0000 | [diff] [blame] | 3520 | ecmd->supported |= SUPPORTED_Autoneg | SUPPORTED_FIBRE; |
Stephen Hemminger | b89165f | 2006-09-06 12:44:53 -0700 | [diff] [blame] | 3521 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3522 | |
| 3523 | ecmd->advertising = sky2->advertising; |
Stephen Hemminger | 0ea065e | 2009-08-14 15:36:41 -0700 | [diff] [blame] | 3524 | ecmd->autoneg = (sky2->flags & SKY2_FLAG_AUTO_SPEED) |
| 3525 | ? AUTONEG_ENABLE : AUTONEG_DISABLE; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3526 | ecmd->duplex = sky2->duplex; |
| 3527 | return 0; |
| 3528 | } |
| 3529 | |
| 3530 | static int sky2_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd) |
| 3531 | { |
| 3532 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3533 | const struct sky2_hw *hw = sky2->hw; |
| 3534 | u32 supported = sky2_supported_modes(hw); |
| 3535 | |
| 3536 | if (ecmd->autoneg == AUTONEG_ENABLE) { |
Stephen Hemminger | 2aca31e | 2011-01-06 18:40:36 +0000 | [diff] [blame] | 3537 | if (ecmd->advertising & ~supported) |
| 3538 | return -EINVAL; |
| 3539 | |
| 3540 | if (sky2_is_copper(hw)) |
| 3541 | sky2->advertising = ecmd->advertising | |
| 3542 | ADVERTISED_TP | |
| 3543 | ADVERTISED_Autoneg; |
| 3544 | else |
| 3545 | sky2->advertising = ecmd->advertising | |
| 3546 | ADVERTISED_FIBRE | |
| 3547 | ADVERTISED_Autoneg; |
| 3548 | |
Stephen Hemminger | 0ea065e | 2009-08-14 15:36:41 -0700 | [diff] [blame] | 3549 | sky2->flags |= SKY2_FLAG_AUTO_SPEED; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3550 | sky2->duplex = -1; |
| 3551 | sky2->speed = -1; |
| 3552 | } else { |
| 3553 | u32 setting; |
David Decotigny | 25db033 | 2011-04-27 18:32:39 +0000 | [diff] [blame] | 3554 | u32 speed = ethtool_cmd_speed(ecmd); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3555 | |
David Decotigny | 25db033 | 2011-04-27 18:32:39 +0000 | [diff] [blame] | 3556 | switch (speed) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3557 | case SPEED_1000: |
| 3558 | if (ecmd->duplex == DUPLEX_FULL) |
| 3559 | setting = SUPPORTED_1000baseT_Full; |
| 3560 | else if (ecmd->duplex == DUPLEX_HALF) |
| 3561 | setting = SUPPORTED_1000baseT_Half; |
| 3562 | else |
| 3563 | return -EINVAL; |
| 3564 | break; |
| 3565 | case SPEED_100: |
| 3566 | if (ecmd->duplex == DUPLEX_FULL) |
| 3567 | setting = SUPPORTED_100baseT_Full; |
| 3568 | else if (ecmd->duplex == DUPLEX_HALF) |
| 3569 | setting = SUPPORTED_100baseT_Half; |
| 3570 | else |
| 3571 | return -EINVAL; |
| 3572 | break; |
| 3573 | |
| 3574 | case SPEED_10: |
| 3575 | if (ecmd->duplex == DUPLEX_FULL) |
| 3576 | setting = SUPPORTED_10baseT_Full; |
| 3577 | else if (ecmd->duplex == DUPLEX_HALF) |
| 3578 | setting = SUPPORTED_10baseT_Half; |
| 3579 | else |
| 3580 | return -EINVAL; |
| 3581 | break; |
| 3582 | default: |
| 3583 | return -EINVAL; |
| 3584 | } |
| 3585 | |
| 3586 | if ((setting & supported) == 0) |
| 3587 | return -EINVAL; |
| 3588 | |
David Decotigny | 25db033 | 2011-04-27 18:32:39 +0000 | [diff] [blame] | 3589 | sky2->speed = speed; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3590 | sky2->duplex = ecmd->duplex; |
Stephen Hemminger | 0ea065e | 2009-08-14 15:36:41 -0700 | [diff] [blame] | 3591 | sky2->flags &= ~SKY2_FLAG_AUTO_SPEED; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3592 | } |
| 3593 | |
Stephen Hemminger | d1b139c | 2007-09-05 16:56:19 +0100 | [diff] [blame] | 3594 | if (netif_running(dev)) { |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 3595 | sky2_phy_reinit(sky2); |
Stephen Hemminger | d1b139c | 2007-09-05 16:56:19 +0100 | [diff] [blame] | 3596 | sky2_set_multicast(dev); |
| 3597 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3598 | |
| 3599 | return 0; |
| 3600 | } |
| 3601 | |
| 3602 | static void sky2_get_drvinfo(struct net_device *dev, |
| 3603 | struct ethtool_drvinfo *info) |
| 3604 | { |
| 3605 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3606 | |
| 3607 | strcpy(info->driver, DRV_NAME); |
| 3608 | strcpy(info->version, DRV_VERSION); |
| 3609 | strcpy(info->fw_version, "N/A"); |
| 3610 | strcpy(info->bus_info, pci_name(sky2->hw->pdev)); |
| 3611 | } |
| 3612 | |
| 3613 | static const struct sky2_stat { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3614 | char name[ETH_GSTRING_LEN]; |
| 3615 | u16 offset; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3616 | } sky2_stats[] = { |
| 3617 | { "tx_bytes", GM_TXO_OK_HI }, |
| 3618 | { "rx_bytes", GM_RXO_OK_HI }, |
| 3619 | { "tx_broadcast", GM_TXF_BC_OK }, |
| 3620 | { "rx_broadcast", GM_RXF_BC_OK }, |
| 3621 | { "tx_multicast", GM_TXF_MC_OK }, |
| 3622 | { "rx_multicast", GM_RXF_MC_OK }, |
| 3623 | { "tx_unicast", GM_TXF_UC_OK }, |
| 3624 | { "rx_unicast", GM_RXF_UC_OK }, |
| 3625 | { "tx_mac_pause", GM_TXF_MPAUSE }, |
| 3626 | { "rx_mac_pause", GM_RXF_MPAUSE }, |
Stephen Hemminger | eadfa7d | 2006-03-22 10:38:45 -0800 | [diff] [blame] | 3627 | { "collisions", GM_TXF_COL }, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3628 | { "late_collision",GM_TXF_LAT_COL }, |
| 3629 | { "aborted", GM_TXF_ABO_COL }, |
Stephen Hemminger | eadfa7d | 2006-03-22 10:38:45 -0800 | [diff] [blame] | 3630 | { "single_collisions", GM_TXF_SNG_COL }, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3631 | { "multi_collisions", GM_TXF_MUL_COL }, |
Stephen Hemminger | eadfa7d | 2006-03-22 10:38:45 -0800 | [diff] [blame] | 3632 | |
Stephen Hemminger | d260454 | 2006-03-23 08:51:36 -0800 | [diff] [blame] | 3633 | { "rx_short", GM_RXF_SHT }, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3634 | { "rx_runt", GM_RXE_FRAG }, |
Stephen Hemminger | eadfa7d | 2006-03-22 10:38:45 -0800 | [diff] [blame] | 3635 | { "rx_64_byte_packets", GM_RXF_64B }, |
| 3636 | { "rx_65_to_127_byte_packets", GM_RXF_127B }, |
| 3637 | { "rx_128_to_255_byte_packets", GM_RXF_255B }, |
| 3638 | { "rx_256_to_511_byte_packets", GM_RXF_511B }, |
| 3639 | { "rx_512_to_1023_byte_packets", GM_RXF_1023B }, |
| 3640 | { "rx_1024_to_1518_byte_packets", GM_RXF_1518B }, |
| 3641 | { "rx_1518_to_max_byte_packets", GM_RXF_MAX_SZ }, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3642 | { "rx_too_long", GM_RXF_LNG_ERR }, |
Stephen Hemminger | eadfa7d | 2006-03-22 10:38:45 -0800 | [diff] [blame] | 3643 | { "rx_fifo_overflow", GM_RXE_FIFO_OV }, |
| 3644 | { "rx_jabber", GM_RXF_JAB_PKT }, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3645 | { "rx_fcs_error", GM_RXF_FCS_ERR }, |
Stephen Hemminger | eadfa7d | 2006-03-22 10:38:45 -0800 | [diff] [blame] | 3646 | |
| 3647 | { "tx_64_byte_packets", GM_TXF_64B }, |
| 3648 | { "tx_65_to_127_byte_packets", GM_TXF_127B }, |
| 3649 | { "tx_128_to_255_byte_packets", GM_TXF_255B }, |
| 3650 | { "tx_256_to_511_byte_packets", GM_TXF_511B }, |
| 3651 | { "tx_512_to_1023_byte_packets", GM_TXF_1023B }, |
| 3652 | { "tx_1024_to_1518_byte_packets", GM_TXF_1518B }, |
| 3653 | { "tx_1519_to_max_byte_packets", GM_TXF_MAX_SZ }, |
| 3654 | { "tx_fifo_underrun", GM_TXE_FIFO_UR }, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3655 | }; |
| 3656 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3657 | static u32 sky2_get_msglevel(struct net_device *netdev) |
| 3658 | { |
| 3659 | struct sky2_port *sky2 = netdev_priv(netdev); |
| 3660 | return sky2->msg_enable; |
| 3661 | } |
| 3662 | |
Stephen Hemminger | 9a7ae0a | 2005-09-27 15:28:42 -0700 | [diff] [blame] | 3663 | static int sky2_nway_reset(struct net_device *dev) |
| 3664 | { |
| 3665 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | 9a7ae0a | 2005-09-27 15:28:42 -0700 | [diff] [blame] | 3666 | |
Stephen Hemminger | 0ea065e | 2009-08-14 15:36:41 -0700 | [diff] [blame] | 3667 | if (!netif_running(dev) || !(sky2->flags & SKY2_FLAG_AUTO_SPEED)) |
Stephen Hemminger | 9a7ae0a | 2005-09-27 15:28:42 -0700 | [diff] [blame] | 3668 | return -EINVAL; |
| 3669 | |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 3670 | sky2_phy_reinit(sky2); |
Stephen Hemminger | d1b139c | 2007-09-05 16:56:19 +0100 | [diff] [blame] | 3671 | sky2_set_multicast(dev); |
Stephen Hemminger | 9a7ae0a | 2005-09-27 15:28:42 -0700 | [diff] [blame] | 3672 | |
| 3673 | return 0; |
| 3674 | } |
| 3675 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3676 | 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] | 3677 | { |
| 3678 | struct sky2_hw *hw = sky2->hw; |
| 3679 | unsigned port = sky2->port; |
| 3680 | int i; |
| 3681 | |
stephen hemminger | 0885a30 | 2010-12-31 15:34:27 +0000 | [diff] [blame] | 3682 | data[0] = get_stats64(hw, port, GM_TXO_OK_LO); |
| 3683 | data[1] = get_stats64(hw, port, GM_RXO_OK_LO); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3684 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3685 | for (i = 2; i < count; i++) |
stephen hemminger | 0885a30 | 2010-12-31 15:34:27 +0000 | [diff] [blame] | 3686 | data[i] = get_stats32(hw, port, sky2_stats[i].offset); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3687 | } |
| 3688 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3689 | static void sky2_set_msglevel(struct net_device *netdev, u32 value) |
| 3690 | { |
| 3691 | struct sky2_port *sky2 = netdev_priv(netdev); |
| 3692 | sky2->msg_enable = value; |
| 3693 | } |
| 3694 | |
Jeff Garzik | b9f2c04 | 2007-10-03 18:07:32 -0700 | [diff] [blame] | 3695 | static int sky2_get_sset_count(struct net_device *dev, int sset) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3696 | { |
Jeff Garzik | b9f2c04 | 2007-10-03 18:07:32 -0700 | [diff] [blame] | 3697 | switch (sset) { |
| 3698 | case ETH_SS_STATS: |
| 3699 | return ARRAY_SIZE(sky2_stats); |
| 3700 | default: |
| 3701 | return -EOPNOTSUPP; |
| 3702 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3703 | } |
| 3704 | |
| 3705 | static void sky2_get_ethtool_stats(struct net_device *dev, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3706 | struct ethtool_stats *stats, u64 * data) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3707 | { |
| 3708 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3709 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3710 | sky2_phy_stats(sky2, data, ARRAY_SIZE(sky2_stats)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3711 | } |
| 3712 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3713 | 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] | 3714 | { |
| 3715 | int i; |
| 3716 | |
| 3717 | switch (stringset) { |
| 3718 | case ETH_SS_STATS: |
| 3719 | for (i = 0; i < ARRAY_SIZE(sky2_stats); i++) |
| 3720 | memcpy(data + i * ETH_GSTRING_LEN, |
| 3721 | sky2_stats[i].name, ETH_GSTRING_LEN); |
| 3722 | break; |
| 3723 | } |
| 3724 | } |
| 3725 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3726 | static int sky2_set_mac_address(struct net_device *dev, void *p) |
| 3727 | { |
| 3728 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | a8ab1ec | 2006-01-30 11:37:57 -0800 | [diff] [blame] | 3729 | struct sky2_hw *hw = sky2->hw; |
| 3730 | unsigned port = sky2->port; |
| 3731 | const struct sockaddr *addr = p; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3732 | |
| 3733 | if (!is_valid_ether_addr(addr->sa_data)) |
| 3734 | return -EADDRNOTAVAIL; |
| 3735 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3736 | memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN); |
Stephen Hemminger | a8ab1ec | 2006-01-30 11:37:57 -0800 | [diff] [blame] | 3737 | memcpy_toio(hw->regs + B2_MAC_1 + port * 8, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3738 | dev->dev_addr, ETH_ALEN); |
Stephen Hemminger | a8ab1ec | 2006-01-30 11:37:57 -0800 | [diff] [blame] | 3739 | memcpy_toio(hw->regs + B2_MAC_2 + port * 8, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3740 | dev->dev_addr, ETH_ALEN); |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 3741 | |
Stephen Hemminger | a8ab1ec | 2006-01-30 11:37:57 -0800 | [diff] [blame] | 3742 | /* virtual address for data */ |
| 3743 | gma_set_addr(hw, port, GM_SRC_ADDR_2L, dev->dev_addr); |
| 3744 | |
| 3745 | /* physical address: used for pause frames */ |
| 3746 | gma_set_addr(hw, port, GM_SRC_ADDR_1L, dev->dev_addr); |
Stephen Hemminger | 1b53756 | 2005-12-20 15:08:07 -0800 | [diff] [blame] | 3747 | |
| 3748 | return 0; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3749 | } |
| 3750 | |
Mike McCormack | 060b946 | 2010-07-29 03:34:52 +0000 | [diff] [blame] | 3751 | static inline void sky2_add_filter(u8 filter[8], const u8 *addr) |
Stephen Hemminger | a052b52 | 2006-10-17 10:24:23 -0700 | [diff] [blame] | 3752 | { |
| 3753 | u32 bit; |
| 3754 | |
| 3755 | bit = ether_crc(ETH_ALEN, addr) & 63; |
| 3756 | filter[bit >> 3] |= 1 << (bit & 7); |
| 3757 | } |
| 3758 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3759 | static void sky2_set_multicast(struct net_device *dev) |
| 3760 | { |
| 3761 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3762 | struct sky2_hw *hw = sky2->hw; |
| 3763 | unsigned port = sky2->port; |
Jiri Pirko | 22bedad3 | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 3764 | struct netdev_hw_addr *ha; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3765 | u16 reg; |
| 3766 | u8 filter[8]; |
Stephen Hemminger | a052b52 | 2006-10-17 10:24:23 -0700 | [diff] [blame] | 3767 | int rx_pause; |
| 3768 | 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] | 3769 | |
Stephen Hemminger | a052b52 | 2006-10-17 10:24:23 -0700 | [diff] [blame] | 3770 | rx_pause = (sky2->flow_status == FC_RX || sky2->flow_status == FC_BOTH); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3771 | memset(filter, 0, sizeof(filter)); |
| 3772 | |
| 3773 | reg = gma_read16(hw, port, GM_RX_CTRL); |
| 3774 | reg |= GM_RXCR_UCF_ENA; |
| 3775 | |
shemminger@osdl.org | d571b69 | 2005-10-26 12:16:09 -0700 | [diff] [blame] | 3776 | if (dev->flags & IFF_PROMISC) /* promiscuous */ |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3777 | reg &= ~(GM_RXCR_UCF_ENA | GM_RXCR_MCF_ENA); |
Stephen Hemminger | a052b52 | 2006-10-17 10:24:23 -0700 | [diff] [blame] | 3778 | else if (dev->flags & IFF_ALLMULTI) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3779 | memset(filter, 0xff, sizeof(filter)); |
Jiri Pirko | 4cd24ea | 2010-02-08 04:30:35 +0000 | [diff] [blame] | 3780 | else if (netdev_mc_empty(dev) && !rx_pause) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3781 | reg &= ~GM_RXCR_MCF_ENA; |
| 3782 | else { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3783 | reg |= GM_RXCR_MCF_ENA; |
| 3784 | |
Stephen Hemminger | a052b52 | 2006-10-17 10:24:23 -0700 | [diff] [blame] | 3785 | if (rx_pause) |
| 3786 | sky2_add_filter(filter, pause_mc_addr); |
| 3787 | |
Jiri Pirko | 22bedad3 | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 3788 | netdev_for_each_mc_addr(ha, dev) |
| 3789 | sky2_add_filter(filter, ha->addr); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3790 | } |
| 3791 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3792 | gma_write16(hw, port, GM_MC_ADDR_H1, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3793 | (u16) filter[0] | ((u16) filter[1] << 8)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3794 | gma_write16(hw, port, GM_MC_ADDR_H2, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3795 | (u16) filter[2] | ((u16) filter[3] << 8)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3796 | gma_write16(hw, port, GM_MC_ADDR_H3, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3797 | (u16) filter[4] | ((u16) filter[5] << 8)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3798 | gma_write16(hw, port, GM_MC_ADDR_H4, |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3799 | (u16) filter[6] | ((u16) filter[7] << 8)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3800 | |
| 3801 | gma_write16(hw, port, GM_RX_CTRL, reg); |
| 3802 | } |
| 3803 | |
stephen hemminger | 0885a30 | 2010-12-31 15:34:27 +0000 | [diff] [blame] | 3804 | static struct rtnl_link_stats64 *sky2_get_stats(struct net_device *dev, |
| 3805 | struct rtnl_link_stats64 *stats) |
| 3806 | { |
| 3807 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3808 | struct sky2_hw *hw = sky2->hw; |
| 3809 | unsigned port = sky2->port; |
| 3810 | unsigned int start; |
| 3811 | u64 _bytes, _packets; |
| 3812 | |
| 3813 | do { |
| 3814 | start = u64_stats_fetch_begin_bh(&sky2->rx_stats.syncp); |
| 3815 | _bytes = sky2->rx_stats.bytes; |
| 3816 | _packets = sky2->rx_stats.packets; |
| 3817 | } while (u64_stats_fetch_retry_bh(&sky2->rx_stats.syncp, start)); |
| 3818 | |
| 3819 | stats->rx_packets = _packets; |
| 3820 | stats->rx_bytes = _bytes; |
| 3821 | |
| 3822 | do { |
| 3823 | start = u64_stats_fetch_begin_bh(&sky2->tx_stats.syncp); |
| 3824 | _bytes = sky2->tx_stats.bytes; |
| 3825 | _packets = sky2->tx_stats.packets; |
| 3826 | } while (u64_stats_fetch_retry_bh(&sky2->tx_stats.syncp, start)); |
| 3827 | |
| 3828 | stats->tx_packets = _packets; |
| 3829 | stats->tx_bytes = _bytes; |
| 3830 | |
| 3831 | stats->multicast = get_stats32(hw, port, GM_RXF_MC_OK) |
| 3832 | + get_stats32(hw, port, GM_RXF_BC_OK); |
| 3833 | |
| 3834 | stats->collisions = get_stats32(hw, port, GM_TXF_COL); |
| 3835 | |
| 3836 | stats->rx_length_errors = get_stats32(hw, port, GM_RXF_LNG_ERR); |
| 3837 | stats->rx_crc_errors = get_stats32(hw, port, GM_RXF_FCS_ERR); |
| 3838 | stats->rx_frame_errors = get_stats32(hw, port, GM_RXF_SHT) |
| 3839 | + get_stats32(hw, port, GM_RXE_FRAG); |
| 3840 | stats->rx_over_errors = get_stats32(hw, port, GM_RXE_FIFO_OV); |
| 3841 | |
| 3842 | stats->rx_dropped = dev->stats.rx_dropped; |
| 3843 | stats->rx_fifo_errors = dev->stats.rx_fifo_errors; |
| 3844 | stats->tx_fifo_errors = dev->stats.tx_fifo_errors; |
| 3845 | |
| 3846 | return stats; |
| 3847 | } |
| 3848 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3849 | /* Can have one global because blinking is controlled by |
| 3850 | * ethtool and that is always under RTNL mutex |
| 3851 | */ |
Stephen Hemminger | a84d0a3 | 2008-02-22 16:00:33 -0800 | [diff] [blame] | 3852 | static void sky2_led(struct sky2_port *sky2, enum led_mode mode) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3853 | { |
Stephen Hemminger | a84d0a3 | 2008-02-22 16:00:33 -0800 | [diff] [blame] | 3854 | struct sky2_hw *hw = sky2->hw; |
| 3855 | unsigned port = sky2->port; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3856 | |
Stephen Hemminger | a84d0a3 | 2008-02-22 16:00:33 -0800 | [diff] [blame] | 3857 | spin_lock_bh(&sky2->phy_lock); |
| 3858 | if (hw->chip_id == CHIP_ID_YUKON_EC_U || |
| 3859 | hw->chip_id == CHIP_ID_YUKON_EX || |
| 3860 | hw->chip_id == CHIP_ID_YUKON_SUPR) { |
| 3861 | u16 pg; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3862 | pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); |
| 3863 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 3); |
Stephen Hemminger | a84d0a3 | 2008-02-22 16:00:33 -0800 | [diff] [blame] | 3864 | |
| 3865 | switch (mode) { |
| 3866 | case MO_LED_OFF: |
| 3867 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, |
| 3868 | PHY_M_LEDC_LOS_CTRL(8) | |
| 3869 | PHY_M_LEDC_INIT_CTRL(8) | |
| 3870 | PHY_M_LEDC_STA1_CTRL(8) | |
| 3871 | PHY_M_LEDC_STA0_CTRL(8)); |
| 3872 | break; |
| 3873 | case MO_LED_ON: |
| 3874 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, |
| 3875 | PHY_M_LEDC_LOS_CTRL(9) | |
| 3876 | PHY_M_LEDC_INIT_CTRL(9) | |
| 3877 | PHY_M_LEDC_STA1_CTRL(9) | |
| 3878 | PHY_M_LEDC_STA0_CTRL(9)); |
| 3879 | break; |
| 3880 | case MO_LED_BLINK: |
| 3881 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, |
| 3882 | PHY_M_LEDC_LOS_CTRL(0xa) | |
| 3883 | PHY_M_LEDC_INIT_CTRL(0xa) | |
| 3884 | PHY_M_LEDC_STA1_CTRL(0xa) | |
| 3885 | PHY_M_LEDC_STA0_CTRL(0xa)); |
| 3886 | break; |
| 3887 | case MO_LED_NORM: |
| 3888 | gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, |
| 3889 | PHY_M_LEDC_LOS_CTRL(1) | |
| 3890 | PHY_M_LEDC_INIT_CTRL(8) | |
| 3891 | PHY_M_LEDC_STA1_CTRL(7) | |
| 3892 | PHY_M_LEDC_STA0_CTRL(7)); |
| 3893 | } |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3894 | |
| 3895 | gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg); |
Stephen Hemminger | a84d0a3 | 2008-02-22 16:00:33 -0800 | [diff] [blame] | 3896 | } else |
Jeff Garzik | 7d2e3cb | 2008-05-13 01:41:58 -0400 | [diff] [blame] | 3897 | gm_phy_write(hw, port, PHY_MARV_LED_OVER, |
Stephen Hemminger | a84d0a3 | 2008-02-22 16:00:33 -0800 | [diff] [blame] | 3898 | PHY_M_LED_MO_DUP(mode) | |
| 3899 | PHY_M_LED_MO_10(mode) | |
| 3900 | PHY_M_LED_MO_100(mode) | |
| 3901 | PHY_M_LED_MO_1000(mode) | |
| 3902 | PHY_M_LED_MO_RX(mode) | |
| 3903 | PHY_M_LED_MO_TX(mode)); |
| 3904 | |
| 3905 | spin_unlock_bh(&sky2->phy_lock); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3906 | } |
| 3907 | |
| 3908 | /* blink LED's for finding board */ |
stephen hemminger | 74e532f | 2011-04-04 08:43:41 +0000 | [diff] [blame] | 3909 | static int sky2_set_phys_id(struct net_device *dev, |
| 3910 | enum ethtool_phys_id_state state) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3911 | { |
| 3912 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3913 | |
stephen hemminger | 74e532f | 2011-04-04 08:43:41 +0000 | [diff] [blame] | 3914 | switch (state) { |
| 3915 | case ETHTOOL_ID_ACTIVE: |
Allan, Bruce W | fce5592 | 2011-04-13 13:09:10 +0000 | [diff] [blame] | 3916 | return 1; /* cycle on/off once per second */ |
stephen hemminger | 74e532f | 2011-04-04 08:43:41 +0000 | [diff] [blame] | 3917 | case ETHTOOL_ID_INACTIVE: |
| 3918 | sky2_led(sky2, MO_LED_NORM); |
| 3919 | break; |
| 3920 | case ETHTOOL_ID_ON: |
Stephen Hemminger | a84d0a3 | 2008-02-22 16:00:33 -0800 | [diff] [blame] | 3921 | sky2_led(sky2, MO_LED_ON); |
stephen hemminger | 74e532f | 2011-04-04 08:43:41 +0000 | [diff] [blame] | 3922 | break; |
| 3923 | case ETHTOOL_ID_OFF: |
Stephen Hemminger | a84d0a3 | 2008-02-22 16:00:33 -0800 | [diff] [blame] | 3924 | sky2_led(sky2, MO_LED_OFF); |
stephen hemminger | 74e532f | 2011-04-04 08:43:41 +0000 | [diff] [blame] | 3925 | break; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 3926 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3927 | |
| 3928 | return 0; |
| 3929 | } |
| 3930 | |
| 3931 | static void sky2_get_pauseparam(struct net_device *dev, |
| 3932 | struct ethtool_pauseparam *ecmd) |
| 3933 | { |
| 3934 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3935 | |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 3936 | switch (sky2->flow_mode) { |
| 3937 | case FC_NONE: |
| 3938 | ecmd->tx_pause = ecmd->rx_pause = 0; |
| 3939 | break; |
| 3940 | case FC_TX: |
| 3941 | ecmd->tx_pause = 1, ecmd->rx_pause = 0; |
| 3942 | break; |
| 3943 | case FC_RX: |
| 3944 | ecmd->tx_pause = 0, ecmd->rx_pause = 1; |
| 3945 | break; |
| 3946 | case FC_BOTH: |
| 3947 | ecmd->tx_pause = ecmd->rx_pause = 1; |
| 3948 | } |
| 3949 | |
Stephen Hemminger | 0ea065e | 2009-08-14 15:36:41 -0700 | [diff] [blame] | 3950 | ecmd->autoneg = (sky2->flags & SKY2_FLAG_AUTO_PAUSE) |
| 3951 | ? AUTONEG_ENABLE : AUTONEG_DISABLE; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3952 | } |
| 3953 | |
| 3954 | static int sky2_set_pauseparam(struct net_device *dev, |
| 3955 | struct ethtool_pauseparam *ecmd) |
| 3956 | { |
| 3957 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3958 | |
Stephen Hemminger | 0ea065e | 2009-08-14 15:36:41 -0700 | [diff] [blame] | 3959 | if (ecmd->autoneg == AUTONEG_ENABLE) |
| 3960 | sky2->flags |= SKY2_FLAG_AUTO_PAUSE; |
| 3961 | else |
| 3962 | sky2->flags &= ~SKY2_FLAG_AUTO_PAUSE; |
| 3963 | |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 3964 | sky2->flow_mode = sky2_flow(ecmd->rx_pause, ecmd->tx_pause); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3965 | |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 3966 | if (netif_running(dev)) |
| 3967 | sky2_phy_reinit(sky2); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3968 | |
Stephen Hemminger | 2eaba1a | 2006-09-06 12:44:47 -0700 | [diff] [blame] | 3969 | return 0; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 3970 | } |
| 3971 | |
Stephen Hemminger | fb17358f | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 3972 | static int sky2_get_coalesce(struct net_device *dev, |
| 3973 | struct ethtool_coalesce *ecmd) |
| 3974 | { |
| 3975 | struct sky2_port *sky2 = netdev_priv(dev); |
| 3976 | struct sky2_hw *hw = sky2->hw; |
| 3977 | |
| 3978 | if (sky2_read8(hw, STAT_TX_TIMER_CTRL) == TIM_STOP) |
| 3979 | ecmd->tx_coalesce_usecs = 0; |
| 3980 | else { |
| 3981 | u32 clks = sky2_read32(hw, STAT_TX_TIMER_INI); |
| 3982 | ecmd->tx_coalesce_usecs = sky2_clk2us(hw, clks); |
| 3983 | } |
| 3984 | ecmd->tx_max_coalesced_frames = sky2_read16(hw, STAT_TX_IDX_TH); |
| 3985 | |
| 3986 | if (sky2_read8(hw, STAT_LEV_TIMER_CTRL) == TIM_STOP) |
| 3987 | ecmd->rx_coalesce_usecs = 0; |
| 3988 | else { |
| 3989 | u32 clks = sky2_read32(hw, STAT_LEV_TIMER_INI); |
| 3990 | ecmd->rx_coalesce_usecs = sky2_clk2us(hw, clks); |
| 3991 | } |
| 3992 | ecmd->rx_max_coalesced_frames = sky2_read8(hw, STAT_FIFO_WM); |
| 3993 | |
| 3994 | if (sky2_read8(hw, STAT_ISR_TIMER_CTRL) == TIM_STOP) |
| 3995 | ecmd->rx_coalesce_usecs_irq = 0; |
| 3996 | else { |
| 3997 | u32 clks = sky2_read32(hw, STAT_ISR_TIMER_INI); |
| 3998 | ecmd->rx_coalesce_usecs_irq = sky2_clk2us(hw, clks); |
| 3999 | } |
| 4000 | |
| 4001 | ecmd->rx_max_coalesced_frames_irq = sky2_read8(hw, STAT_FIFO_ISR_WM); |
| 4002 | |
| 4003 | return 0; |
| 4004 | } |
| 4005 | |
| 4006 | /* Note: this affect both ports */ |
| 4007 | static int sky2_set_coalesce(struct net_device *dev, |
| 4008 | struct ethtool_coalesce *ecmd) |
| 4009 | { |
| 4010 | struct sky2_port *sky2 = netdev_priv(dev); |
| 4011 | struct sky2_hw *hw = sky2->hw; |
Stephen Hemminger | 77b3d6a | 2006-03-20 15:48:18 -0800 | [diff] [blame] | 4012 | const u32 tmax = sky2_clk2us(hw, 0x0ffffff); |
Stephen Hemminger | fb17358f | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 4013 | |
Stephen Hemminger | 77b3d6a | 2006-03-20 15:48:18 -0800 | [diff] [blame] | 4014 | if (ecmd->tx_coalesce_usecs > tmax || |
| 4015 | ecmd->rx_coalesce_usecs > tmax || |
| 4016 | ecmd->rx_coalesce_usecs_irq > tmax) |
Stephen Hemminger | fb17358f | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 4017 | return -EINVAL; |
| 4018 | |
Stephen Hemminger | ee5f68f | 2009-08-18 15:17:08 +0000 | [diff] [blame] | 4019 | if (ecmd->tx_max_coalesced_frames >= sky2->tx_ring_size-1) |
Stephen Hemminger | fb17358f | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 4020 | return -EINVAL; |
Stephen Hemminger | ff81fbb | 2006-02-22 11:44:59 -0800 | [diff] [blame] | 4021 | if (ecmd->rx_max_coalesced_frames > RX_MAX_PENDING) |
Stephen Hemminger | fb17358f | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 4022 | return -EINVAL; |
Mike McCormack | 060b946 | 2010-07-29 03:34:52 +0000 | [diff] [blame] | 4023 | if (ecmd->rx_max_coalesced_frames_irq > RX_MAX_PENDING) |
Stephen Hemminger | fb17358f | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 4024 | return -EINVAL; |
| 4025 | |
| 4026 | if (ecmd->tx_coalesce_usecs == 0) |
| 4027 | sky2_write8(hw, STAT_TX_TIMER_CTRL, TIM_STOP); |
| 4028 | else { |
| 4029 | sky2_write32(hw, STAT_TX_TIMER_INI, |
| 4030 | sky2_us2clk(hw, ecmd->tx_coalesce_usecs)); |
| 4031 | sky2_write8(hw, STAT_TX_TIMER_CTRL, TIM_START); |
| 4032 | } |
| 4033 | sky2_write16(hw, STAT_TX_IDX_TH, ecmd->tx_max_coalesced_frames); |
| 4034 | |
| 4035 | if (ecmd->rx_coalesce_usecs == 0) |
| 4036 | sky2_write8(hw, STAT_LEV_TIMER_CTRL, TIM_STOP); |
| 4037 | else { |
| 4038 | sky2_write32(hw, STAT_LEV_TIMER_INI, |
| 4039 | sky2_us2clk(hw, ecmd->rx_coalesce_usecs)); |
| 4040 | sky2_write8(hw, STAT_LEV_TIMER_CTRL, TIM_START); |
| 4041 | } |
| 4042 | sky2_write8(hw, STAT_FIFO_WM, ecmd->rx_max_coalesced_frames); |
| 4043 | |
| 4044 | if (ecmd->rx_coalesce_usecs_irq == 0) |
| 4045 | sky2_write8(hw, STAT_ISR_TIMER_CTRL, TIM_STOP); |
| 4046 | else { |
Stephen Hemminger | d28d487 | 2006-01-30 11:37:56 -0800 | [diff] [blame] | 4047 | sky2_write32(hw, STAT_ISR_TIMER_INI, |
Stephen Hemminger | fb17358f | 2005-12-09 11:34:56 -0800 | [diff] [blame] | 4048 | sky2_us2clk(hw, ecmd->rx_coalesce_usecs_irq)); |
| 4049 | sky2_write8(hw, STAT_ISR_TIMER_CTRL, TIM_START); |
| 4050 | } |
| 4051 | sky2_write8(hw, STAT_FIFO_ISR_WM, ecmd->rx_max_coalesced_frames_irq); |
| 4052 | return 0; |
| 4053 | } |
| 4054 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4055 | static void sky2_get_ringparam(struct net_device *dev, |
| 4056 | struct ethtool_ringparam *ering) |
| 4057 | { |
| 4058 | struct sky2_port *sky2 = netdev_priv(dev); |
| 4059 | |
| 4060 | ering->rx_max_pending = RX_MAX_PENDING; |
| 4061 | ering->rx_mini_max_pending = 0; |
| 4062 | ering->rx_jumbo_max_pending = 0; |
Stephen Hemminger | ee5f68f | 2009-08-18 15:17:08 +0000 | [diff] [blame] | 4063 | ering->tx_max_pending = TX_MAX_PENDING; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4064 | |
| 4065 | ering->rx_pending = sky2->rx_pending; |
| 4066 | ering->rx_mini_pending = 0; |
| 4067 | ering->rx_jumbo_pending = 0; |
| 4068 | ering->tx_pending = sky2->tx_pending; |
| 4069 | } |
| 4070 | |
| 4071 | static int sky2_set_ringparam(struct net_device *dev, |
| 4072 | struct ethtool_ringparam *ering) |
| 4073 | { |
| 4074 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4075 | |
| 4076 | if (ering->rx_pending > RX_MAX_PENDING || |
| 4077 | ering->rx_pending < 8 || |
Stephen Hemminger | ee5f68f | 2009-08-18 15:17:08 +0000 | [diff] [blame] | 4078 | ering->tx_pending < TX_MIN_PENDING || |
| 4079 | ering->tx_pending > TX_MAX_PENDING) |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4080 | return -EINVAL; |
| 4081 | |
Stephen Hemminger | af18d8b | 2009-08-14 15:31:25 -0700 | [diff] [blame] | 4082 | sky2_detach(dev); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4083 | |
| 4084 | sky2->rx_pending = ering->rx_pending; |
| 4085 | sky2->tx_pending = ering->tx_pending; |
Stephen Hemminger | ee5f68f | 2009-08-18 15:17:08 +0000 | [diff] [blame] | 4086 | sky2->tx_ring_size = roundup_pow_of_two(sky2->tx_pending+1); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4087 | |
Stephen Hemminger | af18d8b | 2009-08-14 15:31:25 -0700 | [diff] [blame] | 4088 | return sky2_reattach(dev); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4089 | } |
| 4090 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4091 | static int sky2_get_regs_len(struct net_device *dev) |
| 4092 | { |
Stephen Hemminger | 6e4cbb3 | 2005-09-19 15:47:57 -0700 | [diff] [blame] | 4093 | return 0x4000; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4094 | } |
| 4095 | |
Mike McCormack | c32bbff | 2009-12-31 00:49:43 +0000 | [diff] [blame] | 4096 | static int sky2_reg_access_ok(struct sky2_hw *hw, unsigned int b) |
| 4097 | { |
| 4098 | /* This complicated switch statement is to make sure and |
| 4099 | * only access regions that are unreserved. |
| 4100 | * Some blocks are only valid on dual port cards. |
| 4101 | */ |
| 4102 | switch (b) { |
| 4103 | /* second port */ |
| 4104 | case 5: /* Tx Arbiter 2 */ |
| 4105 | case 9: /* RX2 */ |
| 4106 | case 14 ... 15: /* TX2 */ |
| 4107 | case 17: case 19: /* Ram Buffer 2 */ |
| 4108 | case 22 ... 23: /* Tx Ram Buffer 2 */ |
| 4109 | case 25: /* Rx MAC Fifo 1 */ |
| 4110 | case 27: /* Tx MAC Fifo 2 */ |
| 4111 | case 31: /* GPHY 2 */ |
| 4112 | case 40 ... 47: /* Pattern Ram 2 */ |
| 4113 | case 52: case 54: /* TCP Segmentation 2 */ |
| 4114 | case 112 ... 116: /* GMAC 2 */ |
| 4115 | return hw->ports > 1; |
| 4116 | |
| 4117 | case 0: /* Control */ |
| 4118 | case 2: /* Mac address */ |
| 4119 | case 4: /* Tx Arbiter 1 */ |
| 4120 | case 7: /* PCI express reg */ |
| 4121 | case 8: /* RX1 */ |
| 4122 | case 12 ... 13: /* TX1 */ |
| 4123 | case 16: case 18:/* Rx Ram Buffer 1 */ |
| 4124 | case 20 ... 21: /* Tx Ram Buffer 1 */ |
| 4125 | case 24: /* Rx MAC Fifo 1 */ |
| 4126 | case 26: /* Tx MAC Fifo 1 */ |
| 4127 | case 28 ... 29: /* Descriptor and status unit */ |
| 4128 | case 30: /* GPHY 1*/ |
| 4129 | case 32 ... 39: /* Pattern Ram 1 */ |
| 4130 | case 48: case 50: /* TCP Segmentation 1 */ |
| 4131 | case 56 ... 60: /* PCI space */ |
| 4132 | case 80 ... 84: /* GMAC 1 */ |
| 4133 | return 1; |
| 4134 | |
| 4135 | default: |
| 4136 | return 0; |
| 4137 | } |
| 4138 | } |
| 4139 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4140 | /* |
| 4141 | * Returns copy of control register region |
Stephen Hemminger | 3ead5db | 2007-06-04 17:23:21 -0700 | [diff] [blame] | 4142 | * Note: ethtool_get_regs always provides full size (16k) buffer |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4143 | */ |
| 4144 | static void sky2_get_regs(struct net_device *dev, struct ethtool_regs *regs, |
| 4145 | void *p) |
| 4146 | { |
| 4147 | const struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4148 | const void __iomem *io = sky2->hw->regs; |
Stephen Hemminger | 295b54c | 2007-10-11 19:47:22 -0700 | [diff] [blame] | 4149 | unsigned int b; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4150 | |
| 4151 | regs->version = 1; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4152 | |
Stephen Hemminger | 295b54c | 2007-10-11 19:47:22 -0700 | [diff] [blame] | 4153 | for (b = 0; b < 128; b++) { |
Mike McCormack | c32bbff | 2009-12-31 00:49:43 +0000 | [diff] [blame] | 4154 | /* skip poisonous diagnostic ram region in block 3 */ |
| 4155 | if (b == 3) |
Stephen Hemminger | 295b54c | 2007-10-11 19:47:22 -0700 | [diff] [blame] | 4156 | memcpy_fromio(p + 0x10, io + 0x10, 128 - 0x10); |
Mike McCormack | c32bbff | 2009-12-31 00:49:43 +0000 | [diff] [blame] | 4157 | else if (sky2_reg_access_ok(sky2->hw, b)) |
Stephen Hemminger | 295b54c | 2007-10-11 19:47:22 -0700 | [diff] [blame] | 4158 | memcpy_fromio(p, io, 128); |
Mike McCormack | c32bbff | 2009-12-31 00:49:43 +0000 | [diff] [blame] | 4159 | else |
Stephen Hemminger | 295b54c | 2007-10-11 19:47:22 -0700 | [diff] [blame] | 4160 | memset(p, 0, 128); |
Stephen Hemminger | 3ead5db | 2007-06-04 17:23:21 -0700 | [diff] [blame] | 4161 | |
Stephen Hemminger | 295b54c | 2007-10-11 19:47:22 -0700 | [diff] [blame] | 4162 | p += 128; |
| 4163 | io += 128; |
| 4164 | } |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4165 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4166 | |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 4167 | static int sky2_get_eeprom_len(struct net_device *dev) |
| 4168 | { |
| 4169 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | b32f40c | 2007-11-27 10:57:27 -0800 | [diff] [blame] | 4170 | struct sky2_hw *hw = sky2->hw; |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 4171 | u16 reg2; |
| 4172 | |
Stephen Hemminger | b32f40c | 2007-11-27 10:57:27 -0800 | [diff] [blame] | 4173 | reg2 = sky2_pci_read16(hw, PCI_DEV_REG2); |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 4174 | return 1 << ( ((reg2 & PCI_VPD_ROM_SZ) >> 14) + 8); |
| 4175 | } |
| 4176 | |
Stephen Hemminger | 1413235 | 2008-08-27 20:46:26 -0700 | [diff] [blame] | 4177 | 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] | 4178 | { |
Stephen Hemminger | 1413235 | 2008-08-27 20:46:26 -0700 | [diff] [blame] | 4179 | unsigned long start = jiffies; |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 4180 | |
Stephen Hemminger | 1413235 | 2008-08-27 20:46:26 -0700 | [diff] [blame] | 4181 | while ( (sky2_pci_read16(hw, cap + PCI_VPD_ADDR) & PCI_VPD_ADDR_F) == busy) { |
| 4182 | /* Can take up to 10.6 ms for write */ |
| 4183 | if (time_after(jiffies, start + HZ/4)) { |
Joe Perches | ada1db5 | 2010-02-17 15:01:59 +0000 | [diff] [blame] | 4184 | dev_err(&hw->pdev->dev, "VPD cycle timed out\n"); |
Stephen Hemminger | 1413235 | 2008-08-27 20:46:26 -0700 | [diff] [blame] | 4185 | return -ETIMEDOUT; |
| 4186 | } |
| 4187 | mdelay(1); |
| 4188 | } |
Stephen Hemminger | 167f53d | 2007-09-25 19:01:02 -0700 | [diff] [blame] | 4189 | |
Stephen Hemminger | 1413235 | 2008-08-27 20:46:26 -0700 | [diff] [blame] | 4190 | return 0; |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 4191 | } |
| 4192 | |
Stephen Hemminger | 1413235 | 2008-08-27 20:46:26 -0700 | [diff] [blame] | 4193 | static int sky2_vpd_read(struct sky2_hw *hw, int cap, void *data, |
| 4194 | u16 offset, size_t length) |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 4195 | { |
Stephen Hemminger | 1413235 | 2008-08-27 20:46:26 -0700 | [diff] [blame] | 4196 | int rc = 0; |
| 4197 | |
| 4198 | while (length > 0) { |
| 4199 | u32 val; |
| 4200 | |
| 4201 | sky2_pci_write16(hw, cap + PCI_VPD_ADDR, offset); |
| 4202 | rc = sky2_vpd_wait(hw, cap, 0); |
| 4203 | if (rc) |
| 4204 | break; |
| 4205 | |
| 4206 | val = sky2_pci_read32(hw, cap + PCI_VPD_DATA); |
| 4207 | |
| 4208 | memcpy(data, &val, min(sizeof(val), length)); |
| 4209 | offset += sizeof(u32); |
| 4210 | data += sizeof(u32); |
| 4211 | length -= sizeof(u32); |
| 4212 | } |
| 4213 | |
| 4214 | return rc; |
| 4215 | } |
| 4216 | |
| 4217 | static int sky2_vpd_write(struct sky2_hw *hw, int cap, const void *data, |
| 4218 | u16 offset, unsigned int length) |
| 4219 | { |
| 4220 | unsigned int i; |
| 4221 | int rc = 0; |
| 4222 | |
| 4223 | for (i = 0; i < length; i += sizeof(u32)) { |
| 4224 | u32 val = *(u32 *)(data + i); |
| 4225 | |
| 4226 | sky2_pci_write32(hw, cap + PCI_VPD_DATA, val); |
| 4227 | sky2_pci_write32(hw, cap + PCI_VPD_ADDR, offset | PCI_VPD_ADDR_F); |
| 4228 | |
| 4229 | rc = sky2_vpd_wait(hw, cap, PCI_VPD_ADDR_F); |
| 4230 | if (rc) |
| 4231 | break; |
| 4232 | } |
| 4233 | return rc; |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 4234 | } |
| 4235 | |
| 4236 | static int sky2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, |
| 4237 | u8 *data) |
| 4238 | { |
| 4239 | struct sky2_port *sky2 = netdev_priv(dev); |
| 4240 | int cap = pci_find_capability(sky2->hw->pdev, PCI_CAP_ID_VPD); |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 4241 | |
| 4242 | if (!cap) |
| 4243 | return -EINVAL; |
| 4244 | |
| 4245 | eeprom->magic = SKY2_EEPROM_MAGIC; |
| 4246 | |
Stephen Hemminger | 1413235 | 2008-08-27 20:46:26 -0700 | [diff] [blame] | 4247 | return sky2_vpd_read(sky2->hw, cap, data, eeprom->offset, eeprom->len); |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 4248 | } |
| 4249 | |
| 4250 | static int sky2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, |
| 4251 | u8 *data) |
| 4252 | { |
| 4253 | struct sky2_port *sky2 = netdev_priv(dev); |
| 4254 | int cap = pci_find_capability(sky2->hw->pdev, PCI_CAP_ID_VPD); |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 4255 | |
| 4256 | if (!cap) |
| 4257 | return -EINVAL; |
| 4258 | |
| 4259 | if (eeprom->magic != SKY2_EEPROM_MAGIC) |
| 4260 | return -EINVAL; |
| 4261 | |
Stephen Hemminger | 1413235 | 2008-08-27 20:46:26 -0700 | [diff] [blame] | 4262 | /* Partial writes not supported */ |
| 4263 | if ((eeprom->offset & 3) || (eeprom->len & 3)) |
| 4264 | return -EINVAL; |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 4265 | |
Stephen Hemminger | 1413235 | 2008-08-27 20:46:26 -0700 | [diff] [blame] | 4266 | return sky2_vpd_write(sky2->hw, cap, data, eeprom->offset, eeprom->len); |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 4267 | } |
| 4268 | |
Michał Mirosław | f5d6403 | 2011-04-10 03:13:21 +0000 | [diff] [blame] | 4269 | static u32 sky2_fix_features(struct net_device *dev, u32 features) |
| 4270 | { |
| 4271 | const struct sky2_port *sky2 = netdev_priv(dev); |
| 4272 | const struct sky2_hw *hw = sky2->hw; |
| 4273 | |
| 4274 | /* In order to do Jumbo packets on these chips, need to turn off the |
| 4275 | * transmit store/forward. Therefore checksum offload won't work. |
| 4276 | */ |
stephen hemminger | aa5ca96 | 2011-07-07 13:40:00 +0000 | [diff] [blame] | 4277 | if (dev->mtu > ETH_DATA_LEN && hw->chip_id == CHIP_ID_YUKON_EC_U) { |
| 4278 | netdev_info(dev, "checksum offload not possible with jumbo frames\n"); |
Michał Mirosław | f5d6403 | 2011-04-10 03:13:21 +0000 | [diff] [blame] | 4279 | features &= ~(NETIF_F_TSO|NETIF_F_SG|NETIF_F_ALL_CSUM); |
stephen hemminger | aa5ca96 | 2011-07-07 13:40:00 +0000 | [diff] [blame] | 4280 | } |
| 4281 | |
| 4282 | /* Some hardware requires receive checksum for RSS to work. */ |
| 4283 | if ( (features & NETIF_F_RXHASH) && |
| 4284 | !(features & NETIF_F_RXCSUM) && |
| 4285 | (sky2->hw->flags & SKY2_HW_RSS_CHKSUM)) { |
| 4286 | netdev_info(dev, "receive hashing forces receive checksum\n"); |
| 4287 | features |= NETIF_F_RXCSUM; |
| 4288 | } |
Michał Mirosław | f5d6403 | 2011-04-10 03:13:21 +0000 | [diff] [blame] | 4289 | |
| 4290 | return features; |
| 4291 | } |
| 4292 | |
| 4293 | static int sky2_set_features(struct net_device *dev, u32 features) |
Stephen Hemminger | bf73130 | 2010-04-24 20:04:12 -0700 | [diff] [blame] | 4294 | { |
| 4295 | struct sky2_port *sky2 = netdev_priv(dev); |
Michał Mirosław | f5d6403 | 2011-04-10 03:13:21 +0000 | [diff] [blame] | 4296 | u32 changed = dev->features ^ features; |
Stephen Hemminger | bf73130 | 2010-04-24 20:04:12 -0700 | [diff] [blame] | 4297 | |
Michał Mirosław | f5d6403 | 2011-04-10 03:13:21 +0000 | [diff] [blame] | 4298 | if (changed & NETIF_F_RXCSUM) { |
| 4299 | u32 on = features & NETIF_F_RXCSUM; |
| 4300 | sky2_write32(sky2->hw, Q_ADDR(rxqaddr[sky2->port], Q_CSR), |
| 4301 | on ? BMU_ENA_RX_CHKSUM : BMU_DIS_RX_CHKSUM); |
| 4302 | } |
Stephen Hemminger | 86aa778 | 2011-01-09 15:54:15 -0800 | [diff] [blame] | 4303 | |
Michał Mirosław | f5d6403 | 2011-04-10 03:13:21 +0000 | [diff] [blame] | 4304 | if (changed & NETIF_F_RXHASH) |
| 4305 | rx_set_rss(dev, features); |
Stephen Hemminger | 86aa778 | 2011-01-09 15:54:15 -0800 | [diff] [blame] | 4306 | |
Michał Mirosław | f5d6403 | 2011-04-10 03:13:21 +0000 | [diff] [blame] | 4307 | if (changed & (NETIF_F_HW_VLAN_TX|NETIF_F_HW_VLAN_RX)) |
| 4308 | sky2_vlan_mode(dev, features); |
Stephen Hemminger | bf73130 | 2010-04-24 20:04:12 -0700 | [diff] [blame] | 4309 | |
| 4310 | return 0; |
| 4311 | } |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 4312 | |
Jeff Garzik | 7282d49 | 2006-09-13 14:30:00 -0400 | [diff] [blame] | 4313 | static const struct ethtool_ops sky2_ethtool_ops = { |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 4314 | .get_settings = sky2_get_settings, |
| 4315 | .set_settings = sky2_set_settings, |
| 4316 | .get_drvinfo = sky2_get_drvinfo, |
| 4317 | .get_wol = sky2_get_wol, |
| 4318 | .set_wol = sky2_set_wol, |
| 4319 | .get_msglevel = sky2_get_msglevel, |
| 4320 | .set_msglevel = sky2_set_msglevel, |
| 4321 | .nway_reset = sky2_nway_reset, |
| 4322 | .get_regs_len = sky2_get_regs_len, |
| 4323 | .get_regs = sky2_get_regs, |
| 4324 | .get_link = ethtool_op_get_link, |
| 4325 | .get_eeprom_len = sky2_get_eeprom_len, |
| 4326 | .get_eeprom = sky2_get_eeprom, |
| 4327 | .set_eeprom = sky2_set_eeprom, |
Stephen Hemminger | f4331a6 | 2007-07-09 15:33:39 -0700 | [diff] [blame] | 4328 | .get_strings = sky2_get_strings, |
| 4329 | .get_coalesce = sky2_get_coalesce, |
| 4330 | .set_coalesce = sky2_set_coalesce, |
| 4331 | .get_ringparam = sky2_get_ringparam, |
| 4332 | .set_ringparam = sky2_set_ringparam, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4333 | .get_pauseparam = sky2_get_pauseparam, |
| 4334 | .set_pauseparam = sky2_set_pauseparam, |
stephen hemminger | 74e532f | 2011-04-04 08:43:41 +0000 | [diff] [blame] | 4335 | .set_phys_id = sky2_set_phys_id, |
Jeff Garzik | b9f2c04 | 2007-10-03 18:07:32 -0700 | [diff] [blame] | 4336 | .get_sset_count = sky2_get_sset_count, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4337 | .get_ethtool_stats = sky2_get_ethtool_stats, |
| 4338 | }; |
| 4339 | |
Stephen Hemminger | 3cf2675 | 2007-07-09 15:33:35 -0700 | [diff] [blame] | 4340 | #ifdef CONFIG_SKY2_DEBUG |
| 4341 | |
| 4342 | static struct dentry *sky2_debug; |
| 4343 | |
Stephen Hemminger | e4c2abe | 2009-02-03 11:27:29 +0000 | [diff] [blame] | 4344 | |
| 4345 | /* |
| 4346 | * Read and parse the first part of Vital Product Data |
| 4347 | */ |
| 4348 | #define VPD_SIZE 128 |
| 4349 | #define VPD_MAGIC 0x82 |
| 4350 | |
| 4351 | static const struct vpd_tag { |
| 4352 | char tag[2]; |
| 4353 | char *label; |
| 4354 | } vpd_tags[] = { |
| 4355 | { "PN", "Part Number" }, |
| 4356 | { "EC", "Engineering Level" }, |
| 4357 | { "MN", "Manufacturer" }, |
| 4358 | { "SN", "Serial Number" }, |
| 4359 | { "YA", "Asset Tag" }, |
| 4360 | { "VL", "First Error Log Message" }, |
| 4361 | { "VF", "Second Error Log Message" }, |
| 4362 | { "VB", "Boot Agent ROM Configuration" }, |
| 4363 | { "VE", "EFI UNDI Configuration" }, |
| 4364 | }; |
| 4365 | |
| 4366 | static void sky2_show_vpd(struct seq_file *seq, struct sky2_hw *hw) |
| 4367 | { |
| 4368 | size_t vpd_size; |
| 4369 | loff_t offs; |
| 4370 | u8 len; |
| 4371 | unsigned char *buf; |
| 4372 | u16 reg2; |
| 4373 | |
| 4374 | reg2 = sky2_pci_read16(hw, PCI_DEV_REG2); |
| 4375 | vpd_size = 1 << ( ((reg2 & PCI_VPD_ROM_SZ) >> 14) + 8); |
| 4376 | |
| 4377 | seq_printf(seq, "%s Product Data\n", pci_name(hw->pdev)); |
| 4378 | buf = kmalloc(vpd_size, GFP_KERNEL); |
| 4379 | if (!buf) { |
| 4380 | seq_puts(seq, "no memory!\n"); |
| 4381 | return; |
| 4382 | } |
| 4383 | |
| 4384 | if (pci_read_vpd(hw->pdev, 0, vpd_size, buf) < 0) { |
| 4385 | seq_puts(seq, "VPD read failed\n"); |
| 4386 | goto out; |
| 4387 | } |
| 4388 | |
| 4389 | if (buf[0] != VPD_MAGIC) { |
| 4390 | seq_printf(seq, "VPD tag mismatch: %#x\n", buf[0]); |
| 4391 | goto out; |
| 4392 | } |
| 4393 | len = buf[1]; |
| 4394 | if (len == 0 || len > vpd_size - 4) { |
| 4395 | seq_printf(seq, "Invalid id length: %d\n", len); |
| 4396 | goto out; |
| 4397 | } |
| 4398 | |
| 4399 | seq_printf(seq, "%.*s\n", len, buf + 3); |
| 4400 | offs = len + 3; |
| 4401 | |
| 4402 | while (offs < vpd_size - 4) { |
| 4403 | int i; |
| 4404 | |
| 4405 | if (!memcmp("RW", buf + offs, 2)) /* end marker */ |
| 4406 | break; |
| 4407 | len = buf[offs + 2]; |
| 4408 | if (offs + len + 3 >= vpd_size) |
| 4409 | break; |
| 4410 | |
| 4411 | for (i = 0; i < ARRAY_SIZE(vpd_tags); i++) { |
| 4412 | if (!memcmp(vpd_tags[i].tag, buf + offs, 2)) { |
| 4413 | seq_printf(seq, " %s: %.*s\n", |
| 4414 | vpd_tags[i].label, len, buf + offs + 3); |
| 4415 | break; |
| 4416 | } |
| 4417 | } |
| 4418 | offs += len + 3; |
| 4419 | } |
| 4420 | out: |
| 4421 | kfree(buf); |
| 4422 | } |
| 4423 | |
Stephen Hemminger | 3cf2675 | 2007-07-09 15:33:35 -0700 | [diff] [blame] | 4424 | static int sky2_debug_show(struct seq_file *seq, void *v) |
| 4425 | { |
| 4426 | struct net_device *dev = seq->private; |
| 4427 | const struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 4428 | struct sky2_hw *hw = sky2->hw; |
Stephen Hemminger | 3cf2675 | 2007-07-09 15:33:35 -0700 | [diff] [blame] | 4429 | unsigned port = sky2->port; |
| 4430 | unsigned idx, last; |
| 4431 | int sop; |
| 4432 | |
Stephen Hemminger | e4c2abe | 2009-02-03 11:27:29 +0000 | [diff] [blame] | 4433 | sky2_show_vpd(seq, hw); |
Stephen Hemminger | 3cf2675 | 2007-07-09 15:33:35 -0700 | [diff] [blame] | 4434 | |
Stephen Hemminger | e4c2abe | 2009-02-03 11:27:29 +0000 | [diff] [blame] | 4435 | seq_printf(seq, "\nIRQ src=%x mask=%x control=%x\n", |
Stephen Hemminger | 3cf2675 | 2007-07-09 15:33:35 -0700 | [diff] [blame] | 4436 | sky2_read32(hw, B0_ISRC), |
| 4437 | sky2_read32(hw, B0_IMSK), |
| 4438 | sky2_read32(hw, B0_Y2_SP_ICR)); |
| 4439 | |
Stephen Hemminger | e4c2abe | 2009-02-03 11:27:29 +0000 | [diff] [blame] | 4440 | if (!netif_running(dev)) { |
| 4441 | seq_printf(seq, "network not running\n"); |
| 4442 | return 0; |
| 4443 | } |
| 4444 | |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 4445 | napi_disable(&hw->napi); |
Stephen Hemminger | 3cf2675 | 2007-07-09 15:33:35 -0700 | [diff] [blame] | 4446 | last = sky2_read16(hw, STAT_PUT_IDX); |
| 4447 | |
stephen hemminger | efe9193 | 2010-04-22 13:42:56 +0000 | [diff] [blame] | 4448 | seq_printf(seq, "Status ring %u\n", hw->st_size); |
Stephen Hemminger | 3cf2675 | 2007-07-09 15:33:35 -0700 | [diff] [blame] | 4449 | if (hw->st_idx == last) |
| 4450 | seq_puts(seq, "Status ring (empty)\n"); |
| 4451 | else { |
| 4452 | seq_puts(seq, "Status ring\n"); |
stephen hemminger | efe9193 | 2010-04-22 13:42:56 +0000 | [diff] [blame] | 4453 | for (idx = hw->st_idx; idx != last && idx < hw->st_size; |
| 4454 | idx = RING_NEXT(idx, hw->st_size)) { |
Stephen Hemminger | 3cf2675 | 2007-07-09 15:33:35 -0700 | [diff] [blame] | 4455 | const struct sky2_status_le *le = hw->st_le + idx; |
| 4456 | seq_printf(seq, "[%d] %#x %d %#x\n", |
| 4457 | idx, le->opcode, le->length, le->status); |
| 4458 | } |
| 4459 | seq_puts(seq, "\n"); |
| 4460 | } |
| 4461 | |
| 4462 | seq_printf(seq, "Tx ring pending=%u...%u report=%d done=%d\n", |
| 4463 | sky2->tx_cons, sky2->tx_prod, |
| 4464 | sky2_read16(hw, port == 0 ? STAT_TXA1_RIDX : STAT_TXA2_RIDX), |
| 4465 | sky2_read16(hw, Q_ADDR(txqaddr[port], Q_DONE))); |
| 4466 | |
| 4467 | /* Dump contents of tx ring */ |
| 4468 | sop = 1; |
Stephen Hemminger | ee5f68f | 2009-08-18 15:17:08 +0000 | [diff] [blame] | 4469 | for (idx = sky2->tx_next; idx != sky2->tx_prod && idx < sky2->tx_ring_size; |
| 4470 | idx = RING_NEXT(idx, sky2->tx_ring_size)) { |
Stephen Hemminger | 3cf2675 | 2007-07-09 15:33:35 -0700 | [diff] [blame] | 4471 | const struct sky2_tx_le *le = sky2->tx_le + idx; |
| 4472 | u32 a = le32_to_cpu(le->addr); |
| 4473 | |
| 4474 | if (sop) |
| 4475 | seq_printf(seq, "%u:", idx); |
| 4476 | sop = 0; |
| 4477 | |
Mike McCormack | 060b946 | 2010-07-29 03:34:52 +0000 | [diff] [blame] | 4478 | switch (le->opcode & ~HW_OWNER) { |
Stephen Hemminger | 3cf2675 | 2007-07-09 15:33:35 -0700 | [diff] [blame] | 4479 | case OP_ADDR64: |
| 4480 | seq_printf(seq, " %#x:", a); |
| 4481 | break; |
| 4482 | case OP_LRGLEN: |
| 4483 | seq_printf(seq, " mtu=%d", a); |
| 4484 | break; |
| 4485 | case OP_VLAN: |
| 4486 | seq_printf(seq, " vlan=%d", be16_to_cpu(le->length)); |
| 4487 | break; |
| 4488 | case OP_TCPLISW: |
| 4489 | seq_printf(seq, " csum=%#x", a); |
| 4490 | break; |
| 4491 | case OP_LARGESEND: |
| 4492 | seq_printf(seq, " tso=%#x(%d)", a, le16_to_cpu(le->length)); |
| 4493 | break; |
| 4494 | case OP_PACKET: |
| 4495 | seq_printf(seq, " %#x(%d)", a, le16_to_cpu(le->length)); |
| 4496 | break; |
| 4497 | case OP_BUFFER: |
| 4498 | seq_printf(seq, " frag=%#x(%d)", a, le16_to_cpu(le->length)); |
| 4499 | break; |
| 4500 | default: |
| 4501 | seq_printf(seq, " op=%#x,%#x(%d)", le->opcode, |
| 4502 | a, le16_to_cpu(le->length)); |
| 4503 | } |
| 4504 | |
| 4505 | if (le->ctrl & EOP) { |
| 4506 | seq_putc(seq, '\n'); |
| 4507 | sop = 1; |
| 4508 | } |
| 4509 | } |
| 4510 | |
| 4511 | seq_printf(seq, "\nRx ring hw get=%d put=%d last=%d\n", |
| 4512 | sky2_read16(hw, Y2_QADDR(rxqaddr[port], PREF_UNIT_GET_IDX)), |
Mike McCormack | c409c34 | 2009-07-21 14:51:20 +0000 | [diff] [blame] | 4513 | sky2_read16(hw, Y2_QADDR(rxqaddr[port], PREF_UNIT_PUT_IDX)), |
Stephen Hemminger | 3cf2675 | 2007-07-09 15:33:35 -0700 | [diff] [blame] | 4514 | sky2_read16(hw, Y2_QADDR(rxqaddr[port], PREF_UNIT_LAST_IDX))); |
| 4515 | |
David S. Miller | d1d08d1 | 2008-01-07 20:53:33 -0800 | [diff] [blame] | 4516 | sky2_read32(hw, B0_Y2_SP_LISR); |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 4517 | napi_enable(&hw->napi); |
Stephen Hemminger | 3cf2675 | 2007-07-09 15:33:35 -0700 | [diff] [blame] | 4518 | return 0; |
| 4519 | } |
| 4520 | |
| 4521 | static int sky2_debug_open(struct inode *inode, struct file *file) |
| 4522 | { |
| 4523 | return single_open(file, sky2_debug_show, inode->i_private); |
| 4524 | } |
| 4525 | |
| 4526 | static const struct file_operations sky2_debug_fops = { |
| 4527 | .owner = THIS_MODULE, |
| 4528 | .open = sky2_debug_open, |
| 4529 | .read = seq_read, |
| 4530 | .llseek = seq_lseek, |
| 4531 | .release = single_release, |
| 4532 | }; |
| 4533 | |
| 4534 | /* |
| 4535 | * Use network device events to create/remove/rename |
| 4536 | * debugfs file entries |
| 4537 | */ |
| 4538 | static int sky2_device_event(struct notifier_block *unused, |
| 4539 | unsigned long event, void *ptr) |
| 4540 | { |
| 4541 | struct net_device *dev = ptr; |
Stephen Hemminger | 5b296bc | 2007-08-29 12:58:11 -0700 | [diff] [blame] | 4542 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | 3cf2675 | 2007-07-09 15:33:35 -0700 | [diff] [blame] | 4543 | |
Stephen Hemminger | 1436b301 | 2008-11-19 21:59:54 -0800 | [diff] [blame] | 4544 | if (dev->netdev_ops->ndo_open != sky2_up || !sky2_debug) |
Stephen Hemminger | 5b296bc | 2007-08-29 12:58:11 -0700 | [diff] [blame] | 4545 | return NOTIFY_DONE; |
Stephen Hemminger | 3cf2675 | 2007-07-09 15:33:35 -0700 | [diff] [blame] | 4546 | |
Mike McCormack | 060b946 | 2010-07-29 03:34:52 +0000 | [diff] [blame] | 4547 | switch (event) { |
Stephen Hemminger | 5b296bc | 2007-08-29 12:58:11 -0700 | [diff] [blame] | 4548 | case NETDEV_CHANGENAME: |
| 4549 | if (sky2->debugfs) { |
| 4550 | sky2->debugfs = debugfs_rename(sky2_debug, sky2->debugfs, |
| 4551 | sky2_debug, dev->name); |
Stephen Hemminger | 3cf2675 | 2007-07-09 15:33:35 -0700 | [diff] [blame] | 4552 | } |
Stephen Hemminger | 5b296bc | 2007-08-29 12:58:11 -0700 | [diff] [blame] | 4553 | break; |
| 4554 | |
| 4555 | case NETDEV_GOING_DOWN: |
| 4556 | if (sky2->debugfs) { |
Joe Perches | ada1db5 | 2010-02-17 15:01:59 +0000 | [diff] [blame] | 4557 | netdev_printk(KERN_DEBUG, dev, "remove debugfs\n"); |
Stephen Hemminger | 5b296bc | 2007-08-29 12:58:11 -0700 | [diff] [blame] | 4558 | debugfs_remove(sky2->debugfs); |
| 4559 | sky2->debugfs = NULL; |
| 4560 | } |
| 4561 | break; |
| 4562 | |
| 4563 | case NETDEV_UP: |
| 4564 | sky2->debugfs = debugfs_create_file(dev->name, S_IRUGO, |
| 4565 | sky2_debug, dev, |
| 4566 | &sky2_debug_fops); |
| 4567 | if (IS_ERR(sky2->debugfs)) |
| 4568 | sky2->debugfs = NULL; |
Stephen Hemminger | 3cf2675 | 2007-07-09 15:33:35 -0700 | [diff] [blame] | 4569 | } |
| 4570 | |
| 4571 | return NOTIFY_DONE; |
| 4572 | } |
| 4573 | |
| 4574 | static struct notifier_block sky2_notifier = { |
| 4575 | .notifier_call = sky2_device_event, |
| 4576 | }; |
| 4577 | |
| 4578 | |
| 4579 | static __init void sky2_debug_init(void) |
| 4580 | { |
| 4581 | struct dentry *ent; |
| 4582 | |
| 4583 | ent = debugfs_create_dir("sky2", NULL); |
| 4584 | if (!ent || IS_ERR(ent)) |
| 4585 | return; |
| 4586 | |
| 4587 | sky2_debug = ent; |
| 4588 | register_netdevice_notifier(&sky2_notifier); |
| 4589 | } |
| 4590 | |
| 4591 | static __exit void sky2_debug_cleanup(void) |
| 4592 | { |
| 4593 | if (sky2_debug) { |
| 4594 | unregister_netdevice_notifier(&sky2_notifier); |
| 4595 | debugfs_remove(sky2_debug); |
| 4596 | sky2_debug = NULL; |
| 4597 | } |
| 4598 | } |
| 4599 | |
| 4600 | #else |
| 4601 | #define sky2_debug_init() |
| 4602 | #define sky2_debug_cleanup() |
| 4603 | #endif |
| 4604 | |
Stephen Hemminger | 1436b301 | 2008-11-19 21:59:54 -0800 | [diff] [blame] | 4605 | /* Two copies of network device operations to handle special case of |
| 4606 | not allowing netpoll on second port */ |
| 4607 | static const struct net_device_ops sky2_netdev_ops[2] = { |
| 4608 | { |
| 4609 | .ndo_open = sky2_up, |
| 4610 | .ndo_stop = sky2_down, |
Stephen Hemminger | 0082982 | 2008-11-20 20:14:53 -0800 | [diff] [blame] | 4611 | .ndo_start_xmit = sky2_xmit_frame, |
Stephen Hemminger | 1436b301 | 2008-11-19 21:59:54 -0800 | [diff] [blame] | 4612 | .ndo_do_ioctl = sky2_ioctl, |
| 4613 | .ndo_validate_addr = eth_validate_addr, |
| 4614 | .ndo_set_mac_address = sky2_set_mac_address, |
| 4615 | .ndo_set_multicast_list = sky2_set_multicast, |
| 4616 | .ndo_change_mtu = sky2_change_mtu, |
Michał Mirosław | f5d6403 | 2011-04-10 03:13:21 +0000 | [diff] [blame] | 4617 | .ndo_fix_features = sky2_fix_features, |
| 4618 | .ndo_set_features = sky2_set_features, |
Stephen Hemminger | 1436b301 | 2008-11-19 21:59:54 -0800 | [diff] [blame] | 4619 | .ndo_tx_timeout = sky2_tx_timeout, |
stephen hemminger | 0885a30 | 2010-12-31 15:34:27 +0000 | [diff] [blame] | 4620 | .ndo_get_stats64 = sky2_get_stats, |
Stephen Hemminger | 1436b301 | 2008-11-19 21:59:54 -0800 | [diff] [blame] | 4621 | #ifdef CONFIG_NET_POLL_CONTROLLER |
| 4622 | .ndo_poll_controller = sky2_netpoll, |
| 4623 | #endif |
| 4624 | }, |
| 4625 | { |
| 4626 | .ndo_open = sky2_up, |
| 4627 | .ndo_stop = sky2_down, |
Stephen Hemminger | 0082982 | 2008-11-20 20:14:53 -0800 | [diff] [blame] | 4628 | .ndo_start_xmit = sky2_xmit_frame, |
Stephen Hemminger | 1436b301 | 2008-11-19 21:59:54 -0800 | [diff] [blame] | 4629 | .ndo_do_ioctl = sky2_ioctl, |
| 4630 | .ndo_validate_addr = eth_validate_addr, |
| 4631 | .ndo_set_mac_address = sky2_set_mac_address, |
| 4632 | .ndo_set_multicast_list = sky2_set_multicast, |
| 4633 | .ndo_change_mtu = sky2_change_mtu, |
Michał Mirosław | f5d6403 | 2011-04-10 03:13:21 +0000 | [diff] [blame] | 4634 | .ndo_fix_features = sky2_fix_features, |
| 4635 | .ndo_set_features = sky2_set_features, |
Stephen Hemminger | 1436b301 | 2008-11-19 21:59:54 -0800 | [diff] [blame] | 4636 | .ndo_tx_timeout = sky2_tx_timeout, |
stephen hemminger | 0885a30 | 2010-12-31 15:34:27 +0000 | [diff] [blame] | 4637 | .ndo_get_stats64 = sky2_get_stats, |
Stephen Hemminger | 1436b301 | 2008-11-19 21:59:54 -0800 | [diff] [blame] | 4638 | }, |
| 4639 | }; |
Stephen Hemminger | 3cf2675 | 2007-07-09 15:33:35 -0700 | [diff] [blame] | 4640 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4641 | /* Initialize network device */ |
| 4642 | static __devinit struct net_device *sky2_init_netdev(struct sky2_hw *hw, |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 4643 | unsigned port, |
Stephen Hemminger | be63a21 | 2008-01-15 11:29:29 -0800 | [diff] [blame] | 4644 | int highmem, int wol) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4645 | { |
| 4646 | struct sky2_port *sky2; |
| 4647 | struct net_device *dev = alloc_etherdev(sizeof(*sky2)); |
| 4648 | |
| 4649 | if (!dev) { |
Joe Perches | 898eb71 | 2007-10-18 03:06:30 -0700 | [diff] [blame] | 4650 | dev_err(&hw->pdev->dev, "etherdev alloc failed\n"); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4651 | return NULL; |
| 4652 | } |
| 4653 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4654 | SET_NETDEV_DEV(dev, &hw->pdev->dev); |
shemminger@osdl.org | ef743d3 | 2005-11-30 11:45:12 -0800 | [diff] [blame] | 4655 | dev->irq = hw->pdev->irq; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4656 | SET_ETHTOOL_OPS(dev, &sky2_ethtool_ops); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4657 | dev->watchdog_timeo = TX_WATCHDOG; |
Stephen Hemminger | 1436b301 | 2008-11-19 21:59:54 -0800 | [diff] [blame] | 4658 | dev->netdev_ops = &sky2_netdev_ops[port]; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4659 | |
| 4660 | sky2 = netdev_priv(dev); |
| 4661 | sky2->netdev = dev; |
| 4662 | sky2->hw = hw; |
| 4663 | sky2->msg_enable = netif_msg_init(debug, default_msg); |
| 4664 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4665 | /* Auto speed and flow control */ |
Stephen Hemminger | 0ea065e | 2009-08-14 15:36:41 -0700 | [diff] [blame] | 4666 | sky2->flags = SKY2_FLAG_AUTO_SPEED | SKY2_FLAG_AUTO_PAUSE; |
| 4667 | if (hw->chip_id != CHIP_ID_YUKON_XL) |
Michał Mirosław | f5d6403 | 2011-04-10 03:13:21 +0000 | [diff] [blame] | 4668 | dev->hw_features |= NETIF_F_RXCSUM; |
Stephen Hemminger | 0ea065e | 2009-08-14 15:36:41 -0700 | [diff] [blame] | 4669 | |
Stephen Hemminger | 16ad91e | 2006-10-17 10:24:13 -0700 | [diff] [blame] | 4670 | sky2->flow_mode = FC_BOTH; |
| 4671 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4672 | sky2->duplex = -1; |
| 4673 | sky2->speed = -1; |
| 4674 | sky2->advertising = sky2_supported_modes(hw); |
Stephen Hemminger | be63a21 | 2008-01-15 11:29:29 -0800 | [diff] [blame] | 4675 | sky2->wol = wol; |
Stephen Hemminger | 75d070c | 2005-12-09 11:35:11 -0800 | [diff] [blame] | 4676 | |
Stephen Hemminger | e07b1aa | 2006-03-20 15:48:17 -0800 | [diff] [blame] | 4677 | spin_lock_init(&sky2->phy_lock); |
Stephen Hemminger | ee5f68f | 2009-08-18 15:17:08 +0000 | [diff] [blame] | 4678 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4679 | sky2->tx_pending = TX_DEF_PENDING; |
Stephen Hemminger | ee5f68f | 2009-08-18 15:17:08 +0000 | [diff] [blame] | 4680 | sky2->tx_ring_size = roundup_pow_of_two(TX_DEF_PENDING+1); |
Stephen Hemminger | 290d4de | 2006-03-20 15:48:15 -0800 | [diff] [blame] | 4681 | sky2->rx_pending = RX_DEF_PENDING; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4682 | |
| 4683 | hw->dev[port] = dev; |
| 4684 | |
| 4685 | sky2->port = port; |
| 4686 | |
Michał Mirosław | f5d6403 | 2011-04-10 03:13:21 +0000 | [diff] [blame] | 4687 | dev->hw_features |= NETIF_F_IP_CSUM | NETIF_F_SG | NETIF_F_TSO; |
Stephen Hemminger | 86aa778 | 2011-01-09 15:54:15 -0800 | [diff] [blame] | 4688 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4689 | if (highmem) |
| 4690 | dev->features |= NETIF_F_HIGHDMA; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4691 | |
Stephen Hemminger | bf73130 | 2010-04-24 20:04:12 -0700 | [diff] [blame] | 4692 | /* Enable receive hashing unless hardware is known broken */ |
| 4693 | if (!(hw->flags & SKY2_HW_RSS_BROKEN)) |
Michał Mirosław | f5d6403 | 2011-04-10 03:13:21 +0000 | [diff] [blame] | 4694 | dev->hw_features |= NETIF_F_RXHASH; |
Stephen Hemminger | bf73130 | 2010-04-24 20:04:12 -0700 | [diff] [blame] | 4695 | |
Michał Mirosław | f5d6403 | 2011-04-10 03:13:21 +0000 | [diff] [blame] | 4696 | if (!(hw->flags & SKY2_HW_VLAN_BROKEN)) { |
| 4697 | dev->hw_features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; |
| 4698 | dev->vlan_features |= SKY2_VLAN_OFFLOADS; |
| 4699 | } |
| 4700 | |
| 4701 | dev->features |= dev->hw_features; |
shemminger@osdl.org | d1f1370 | 2005-09-27 15:02:57 -0700 | [diff] [blame] | 4702 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4703 | /* read the mac address */ |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4704 | memcpy_fromio(dev->dev_addr, hw->regs + B2_MAC_1 + port * 8, ETH_ALEN); |
Stephen Hemminger | 2995bfb7 | 2005-09-28 10:01:03 -0700 | [diff] [blame] | 4705 | memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4706 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4707 | return dev; |
| 4708 | } |
| 4709 | |
Stephen Hemminger | 28bd181 | 2006-01-17 13:43:19 -0800 | [diff] [blame] | 4710 | static void __devinit sky2_show_addr(struct net_device *dev) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4711 | { |
| 4712 | const struct sky2_port *sky2 = netdev_priv(dev); |
| 4713 | |
Joe Perches | 6c35aba | 2010-02-15 08:34:21 +0000 | [diff] [blame] | 4714 | netif_info(sky2, probe, dev, "addr %pM\n", dev->dev_addr); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4715 | } |
| 4716 | |
Stephen Hemminger | fb2690a9 | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 4717 | /* Handle software interrupt used during MSI test */ |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 4718 | static irqreturn_t __devinit sky2_test_intr(int irq, void *dev_id) |
Stephen Hemminger | fb2690a9 | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 4719 | { |
| 4720 | struct sky2_hw *hw = dev_id; |
| 4721 | u32 status = sky2_read32(hw, B0_Y2_SP_ISRC2); |
| 4722 | |
| 4723 | if (status == 0) |
| 4724 | return IRQ_NONE; |
| 4725 | |
| 4726 | if (status & Y2_IS_IRQ_SW) { |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 4727 | hw->flags |= SKY2_HW_USE_MSI; |
Stephen Hemminger | fb2690a9 | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 4728 | wake_up(&hw->msi_wait); |
| 4729 | sky2_write8(hw, B0_CTST, CS_CL_SW_IRQ); |
| 4730 | } |
| 4731 | sky2_write32(hw, B0_Y2_SP_ICR, 2); |
| 4732 | |
| 4733 | return IRQ_HANDLED; |
| 4734 | } |
| 4735 | |
| 4736 | /* Test interrupt path by forcing a a software IRQ */ |
| 4737 | static int __devinit sky2_test_msi(struct sky2_hw *hw) |
| 4738 | { |
| 4739 | struct pci_dev *pdev = hw->pdev; |
| 4740 | int err; |
| 4741 | |
Mike McCormack | 060b946 | 2010-07-29 03:34:52 +0000 | [diff] [blame] | 4742 | init_waitqueue_head(&hw->msi_wait); |
shemminger@osdl.org | bb507fe | 2006-08-28 10:00:48 -0700 | [diff] [blame] | 4743 | |
Stephen Hemminger | fb2690a9 | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 4744 | sky2_write32(hw, B0_IMSK, Y2_IS_IRQ_SW); |
| 4745 | |
Stephen Hemminger | b0a20de | 2006-12-01 14:29:37 -0800 | [diff] [blame] | 4746 | err = request_irq(pdev->irq, sky2_test_intr, 0, DRV_NAME, hw); |
Stephen Hemminger | fb2690a9 | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 4747 | if (err) { |
Stephen Hemminger | b02a925 | 2007-02-06 10:45:40 -0800 | [diff] [blame] | 4748 | dev_err(&pdev->dev, "cannot assign irq %d\n", pdev->irq); |
Stephen Hemminger | fb2690a9 | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 4749 | return err; |
| 4750 | } |
| 4751 | |
Stephen Hemminger | fb2690a9 | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 4752 | sky2_write8(hw, B0_CTST, CS_ST_SW_IRQ); |
shemminger@osdl.org | bb507fe | 2006-08-28 10:00:48 -0700 | [diff] [blame] | 4753 | sky2_read8(hw, B0_CTST); |
Stephen Hemminger | fb2690a9 | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 4754 | |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 4755 | wait_event_timeout(hw->msi_wait, (hw->flags & SKY2_HW_USE_MSI), HZ/10); |
Stephen Hemminger | fb2690a9 | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 4756 | |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 4757 | if (!(hw->flags & SKY2_HW_USE_MSI)) { |
Stephen Hemminger | fb2690a9 | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 4758 | /* MSI test failed, go back to INTx mode */ |
Stephen Hemminger | b02a925 | 2007-02-06 10:45:40 -0800 | [diff] [blame] | 4759 | dev_info(&pdev->dev, "No interrupt generated using MSI, " |
| 4760 | "switching to INTx mode.\n"); |
Stephen Hemminger | fb2690a9 | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 4761 | |
| 4762 | err = -EOPNOTSUPP; |
| 4763 | sky2_write8(hw, B0_CTST, CS_CL_SW_IRQ); |
| 4764 | } |
| 4765 | |
| 4766 | sky2_write32(hw, B0_IMSK, 0); |
Stephen Hemminger | 2bffc23 | 2006-10-17 10:17:18 -0700 | [diff] [blame] | 4767 | sky2_read32(hw, B0_IMSK); |
Stephen Hemminger | fb2690a9 | 2006-03-20 15:48:19 -0800 | [diff] [blame] | 4768 | |
| 4769 | free_irq(pdev->irq, hw); |
| 4770 | |
| 4771 | return err; |
| 4772 | } |
| 4773 | |
Stephen Hemminger | c7127a3 | 2008-06-17 09:04:25 -0700 | [diff] [blame] | 4774 | /* This driver supports yukon2 chipset only */ |
| 4775 | static const char *sky2_name(u8 chipid, char *buf, int sz) |
| 4776 | { |
| 4777 | const char *name[] = { |
| 4778 | "XL", /* 0xb3 */ |
| 4779 | "EC Ultra", /* 0xb4 */ |
| 4780 | "Extreme", /* 0xb5 */ |
| 4781 | "EC", /* 0xb6 */ |
| 4782 | "FE", /* 0xb7 */ |
| 4783 | "FE+", /* 0xb8 */ |
| 4784 | "Supreme", /* 0xb9 */ |
Stephen Hemminger | 0ce8b98 | 2008-06-17 09:04:27 -0700 | [diff] [blame] | 4785 | "UL 2", /* 0xba */ |
Stephen Hemminger | 0f5aac7 | 2009-10-29 06:37:09 +0000 | [diff] [blame] | 4786 | "Unknown", /* 0xbb */ |
| 4787 | "Optima", /* 0xbc */ |
stephen hemminger | 4fb99cd | 2011-07-07 05:50:59 +0000 | [diff] [blame] | 4788 | "Optima Prime", /* 0xbd */ |
| 4789 | "Optima 2", /* 0xbe */ |
Stephen Hemminger | c7127a3 | 2008-06-17 09:04:25 -0700 | [diff] [blame] | 4790 | }; |
| 4791 | |
stephen hemminger | 4fb99cd | 2011-07-07 05:50:59 +0000 | [diff] [blame] | 4792 | if (chipid >= CHIP_ID_YUKON_XL && chipid <= CHIP_ID_YUKON_OP_2) |
Stephen Hemminger | c7127a3 | 2008-06-17 09:04:25 -0700 | [diff] [blame] | 4793 | strncpy(buf, name[chipid - CHIP_ID_YUKON_XL], sz); |
| 4794 | else |
| 4795 | snprintf(buf, sz, "(chip %#x)", chipid); |
| 4796 | return buf; |
| 4797 | } |
| 4798 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4799 | static int __devinit sky2_probe(struct pci_dev *pdev, |
| 4800 | const struct pci_device_id *ent) |
| 4801 | { |
shemminger@linux-foundation.org | 7f60c64b | 2007-01-26 11:38:36 -0800 | [diff] [blame] | 4802 | struct net_device *dev; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4803 | struct sky2_hw *hw; |
Stephen Hemminger | be63a21 | 2008-01-15 11:29:29 -0800 | [diff] [blame] | 4804 | int err, using_dac = 0, wol_default; |
Stephen Hemminger | 3834507 | 2009-02-03 11:27:30 +0000 | [diff] [blame] | 4805 | u32 reg; |
Stephen Hemminger | c7127a3 | 2008-06-17 09:04:25 -0700 | [diff] [blame] | 4806 | char buf1[16]; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4807 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4808 | err = pci_enable_device(pdev); |
| 4809 | if (err) { |
Stephen Hemminger | b02a925 | 2007-02-06 10:45:40 -0800 | [diff] [blame] | 4810 | dev_err(&pdev->dev, "cannot enable PCI device\n"); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4811 | goto err_out; |
| 4812 | } |
| 4813 | |
Stephen Hemminger | 6cc90a5 | 2009-06-11 07:03:47 +0000 | [diff] [blame] | 4814 | /* Get configuration information |
| 4815 | * Note: only regular PCI config access once to test for HW issues |
| 4816 | * other PCI access through shared memory for speed and to |
| 4817 | * avoid MMCONFIG problems. |
| 4818 | */ |
| 4819 | err = pci_read_config_dword(pdev, PCI_DEV_REG2, ®); |
| 4820 | if (err) { |
| 4821 | dev_err(&pdev->dev, "PCI read config failed\n"); |
| 4822 | goto err_out; |
| 4823 | } |
| 4824 | |
| 4825 | if (~reg == 0) { |
| 4826 | dev_err(&pdev->dev, "PCI configuration read error\n"); |
| 4827 | goto err_out; |
| 4828 | } |
| 4829 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4830 | err = pci_request_regions(pdev, DRV_NAME); |
| 4831 | if (err) { |
Stephen Hemminger | b02a925 | 2007-02-06 10:45:40 -0800 | [diff] [blame] | 4832 | dev_err(&pdev->dev, "cannot obtain PCI resources\n"); |
Stephen Hemminger | 44a1d2e | 2007-04-30 14:23:49 -0700 | [diff] [blame] | 4833 | goto err_out_disable; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4834 | } |
| 4835 | |
| 4836 | pci_set_master(pdev); |
| 4837 | |
Stephen Hemminger | d1f3d4d | 2006-01-17 13:43:11 -0800 | [diff] [blame] | 4838 | if (sizeof(dma_addr_t) > sizeof(u32) && |
Yang Hongyang | 6a35528 | 2009-04-06 19:01:13 -0700 | [diff] [blame] | 4839 | !(err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)))) { |
Stephen Hemminger | d1f3d4d | 2006-01-17 13:43:11 -0800 | [diff] [blame] | 4840 | using_dac = 1; |
Yang Hongyang | 6a35528 | 2009-04-06 19:01:13 -0700 | [diff] [blame] | 4841 | err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); |
Stephen Hemminger | d1f3d4d | 2006-01-17 13:43:11 -0800 | [diff] [blame] | 4842 | if (err < 0) { |
Stephen Hemminger | b02a925 | 2007-02-06 10:45:40 -0800 | [diff] [blame] | 4843 | dev_err(&pdev->dev, "unable to obtain 64 bit DMA " |
| 4844 | "for consistent allocations\n"); |
Stephen Hemminger | d1f3d4d | 2006-01-17 13:43:11 -0800 | [diff] [blame] | 4845 | goto err_out_free_regions; |
| 4846 | } |
Stephen Hemminger | d1f3d4d | 2006-01-17 13:43:11 -0800 | [diff] [blame] | 4847 | } else { |
Yang Hongyang | 284901a | 2009-04-06 19:01:15 -0700 | [diff] [blame] | 4848 | err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4849 | if (err) { |
Stephen Hemminger | b02a925 | 2007-02-06 10:45:40 -0800 | [diff] [blame] | 4850 | dev_err(&pdev->dev, "no usable DMA configuration\n"); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4851 | goto err_out_free_regions; |
| 4852 | } |
| 4853 | } |
Stephen Hemminger | d1f3d4d | 2006-01-17 13:43:11 -0800 | [diff] [blame] | 4854 | |
Stephen Hemminger | 3834507 | 2009-02-03 11:27:30 +0000 | [diff] [blame] | 4855 | |
| 4856 | #ifdef __BIG_ENDIAN |
| 4857 | /* The sk98lin vendor driver uses hardware byte swapping but |
| 4858 | * this driver uses software swapping. |
| 4859 | */ |
| 4860 | reg &= ~PCI_REV_DESC; |
Mike McCormack | 060b946 | 2010-07-29 03:34:52 +0000 | [diff] [blame] | 4861 | err = pci_write_config_dword(pdev, PCI_DEV_REG2, reg); |
Stephen Hemminger | 3834507 | 2009-02-03 11:27:30 +0000 | [diff] [blame] | 4862 | if (err) { |
| 4863 | dev_err(&pdev->dev, "PCI write config failed\n"); |
| 4864 | goto err_out_free_regions; |
| 4865 | } |
| 4866 | #endif |
| 4867 | |
Rafael J. Wysocki | 9d731d7 | 2008-10-12 20:59:48 -0700 | [diff] [blame] | 4868 | wol_default = device_may_wakeup(&pdev->dev) ? WAKE_MAGIC : 0; |
Stephen Hemminger | be63a21 | 2008-01-15 11:29:29 -0800 | [diff] [blame] | 4869 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4870 | err = -ENOMEM; |
Stephen Hemminger | 6646679 | 2009-10-01 07:11:46 +0000 | [diff] [blame] | 4871 | |
| 4872 | hw = kzalloc(sizeof(*hw) + strlen(DRV_NAME "@pci:") |
| 4873 | + strlen(pci_name(pdev)) + 1, GFP_KERNEL); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4874 | if (!hw) { |
Stephen Hemminger | b02a925 | 2007-02-06 10:45:40 -0800 | [diff] [blame] | 4875 | dev_err(&pdev->dev, "cannot allocate hardware struct\n"); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4876 | goto err_out_free_regions; |
| 4877 | } |
| 4878 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4879 | hw->pdev = pdev; |
Stephen Hemminger | 6646679 | 2009-10-01 07:11:46 +0000 | [diff] [blame] | 4880 | sprintf(hw->irq_name, DRV_NAME "@pci:%s", pci_name(pdev)); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4881 | |
| 4882 | hw->regs = ioremap_nocache(pci_resource_start(pdev, 0), 0x4000); |
| 4883 | if (!hw->regs) { |
Stephen Hemminger | b02a925 | 2007-02-06 10:45:40 -0800 | [diff] [blame] | 4884 | dev_err(&pdev->dev, "cannot map device registers\n"); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4885 | goto err_out_free_hw; |
| 4886 | } |
| 4887 | |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 4888 | err = sky2_init(hw); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4889 | if (err) |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4890 | goto err_out_iounmap; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4891 | |
stephen hemminger | efe9193 | 2010-04-22 13:42:56 +0000 | [diff] [blame] | 4892 | /* ring for status responses */ |
Stephen Hemminger | bf73130 | 2010-04-24 20:04:12 -0700 | [diff] [blame] | 4893 | hw->st_size = hw->ports * roundup_pow_of_two(3*RX_MAX_PENDING + TX_MAX_PENDING); |
stephen hemminger | efe9193 | 2010-04-22 13:42:56 +0000 | [diff] [blame] | 4894 | hw->st_le = pci_alloc_consistent(pdev, hw->st_size * sizeof(struct sky2_status_le), |
| 4895 | &hw->st_dma); |
| 4896 | if (!hw->st_le) |
| 4897 | goto err_out_reset; |
| 4898 | |
Stephen Hemminger | c844d48 | 2008-08-27 20:48:23 -0700 | [diff] [blame] | 4899 | dev_info(&pdev->dev, "Yukon-2 %s chip revision %d\n", |
| 4900 | sky2_name(hw->chip_id, buf1, sizeof(buf1)), hw->chip_rev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4901 | |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 4902 | sky2_reset(hw); |
| 4903 | |
Stephen Hemminger | be63a21 | 2008-01-15 11:29:29 -0800 | [diff] [blame] | 4904 | dev = sky2_init_netdev(hw, 0, using_dac, wol_default); |
shemminger@linux-foundation.org | 7f60c64b | 2007-01-26 11:38:36 -0800 | [diff] [blame] | 4905 | if (!dev) { |
| 4906 | err = -ENOMEM; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4907 | goto err_out_free_pci; |
shemminger@linux-foundation.org | 7f60c64b | 2007-01-26 11:38:36 -0800 | [diff] [blame] | 4908 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4909 | |
Stephen Hemminger | 9fa1b1f | 2006-09-26 11:57:40 -0700 | [diff] [blame] | 4910 | if (!disable_msi && pci_enable_msi(pdev) == 0) { |
| 4911 | err = sky2_test_msi(hw); |
| 4912 | if (err == -EOPNOTSUPP) |
| 4913 | pci_disable_msi(pdev); |
| 4914 | else if (err) |
| 4915 | goto err_out_free_netdev; |
| 4916 | } |
| 4917 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4918 | err = register_netdev(dev); |
| 4919 | if (err) { |
Stephen Hemminger | b02a925 | 2007-02-06 10:45:40 -0800 | [diff] [blame] | 4920 | dev_err(&pdev->dev, "cannot register net device\n"); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4921 | goto err_out_free_netdev; |
| 4922 | } |
| 4923 | |
Brandon Philips | 33cb7d3 | 2009-10-29 13:58:07 +0000 | [diff] [blame] | 4924 | netif_carrier_off(dev); |
| 4925 | |
Stephen Hemminger | 6de1623 | 2007-10-17 13:26:42 -0700 | [diff] [blame] | 4926 | netif_napi_add(dev, &hw->napi, sky2_poll, NAPI_WEIGHT); |
| 4927 | |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 4928 | err = request_irq(pdev->irq, sky2_intr, |
| 4929 | (hw->flags & SKY2_HW_USE_MSI) ? 0 : IRQF_SHARED, |
Stephen Hemminger | 6646679 | 2009-10-01 07:11:46 +0000 | [diff] [blame] | 4930 | hw->irq_name, hw); |
Stephen Hemminger | 9fa1b1f | 2006-09-26 11:57:40 -0700 | [diff] [blame] | 4931 | if (err) { |
Stephen Hemminger | b02a925 | 2007-02-06 10:45:40 -0800 | [diff] [blame] | 4932 | dev_err(&pdev->dev, "cannot assign irq %d\n", pdev->irq); |
Stephen Hemminger | 9fa1b1f | 2006-09-26 11:57:40 -0700 | [diff] [blame] | 4933 | goto err_out_unregister; |
| 4934 | } |
| 4935 | sky2_write32(hw, B0_IMSK, Y2_IS_BASE); |
Stephen Hemminger | 6de1623 | 2007-10-17 13:26:42 -0700 | [diff] [blame] | 4936 | napi_enable(&hw->napi); |
Stephen Hemminger | 9fa1b1f | 2006-09-26 11:57:40 -0700 | [diff] [blame] | 4937 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4938 | sky2_show_addr(dev); |
| 4939 | |
shemminger@linux-foundation.org | 7f60c64b | 2007-01-26 11:38:36 -0800 | [diff] [blame] | 4940 | if (hw->ports > 1) { |
| 4941 | struct net_device *dev1; |
| 4942 | |
Stephen Hemminger | ca51927 | 2009-09-14 06:22:29 +0000 | [diff] [blame] | 4943 | err = -ENOMEM; |
Stephen Hemminger | be63a21 | 2008-01-15 11:29:29 -0800 | [diff] [blame] | 4944 | dev1 = sky2_init_netdev(hw, 1, using_dac, wol_default); |
Stephen Hemminger | ca51927 | 2009-09-14 06:22:29 +0000 | [diff] [blame] | 4945 | if (dev1 && (err = register_netdev(dev1)) == 0) |
| 4946 | sky2_show_addr(dev1); |
| 4947 | else { |
Stephen Hemminger | b02a925 | 2007-02-06 10:45:40 -0800 | [diff] [blame] | 4948 | dev_warn(&pdev->dev, |
| 4949 | "register of second port failed (%d)\n", err); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4950 | hw->dev[1] = NULL; |
Stephen Hemminger | ca51927 | 2009-09-14 06:22:29 +0000 | [diff] [blame] | 4951 | hw->ports = 1; |
| 4952 | if (dev1) |
| 4953 | free_netdev(dev1); |
| 4954 | } |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4955 | } |
| 4956 | |
Stephen Hemminger | 32c2c30 | 2007-08-21 14:34:03 -0700 | [diff] [blame] | 4957 | setup_timer(&hw->watchdog_timer, sky2_watchdog, (unsigned long) hw); |
Stephen Hemminger | 8190679 | 2007-02-15 16:40:33 -0800 | [diff] [blame] | 4958 | INIT_WORK(&hw->restart_work, sky2_restart); |
| 4959 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4960 | pci_set_drvdata(pdev, hw); |
Rafael J. Wysocki | 1ae861e | 2009-12-31 12:15:54 +0100 | [diff] [blame] | 4961 | pdev->d3_delay = 150; |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4962 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4963 | return 0; |
| 4964 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4965 | err_out_unregister: |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 4966 | if (hw->flags & SKY2_HW_USE_MSI) |
Stephen Hemminger | b0a20de | 2006-12-01 14:29:37 -0800 | [diff] [blame] | 4967 | pci_disable_msi(pdev); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4968 | unregister_netdev(dev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4969 | err_out_free_netdev: |
| 4970 | free_netdev(dev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4971 | err_out_free_pci: |
stephen hemminger | efe9193 | 2010-04-22 13:42:56 +0000 | [diff] [blame] | 4972 | pci_free_consistent(pdev, hw->st_size * sizeof(struct sky2_status_le), |
| 4973 | hw->st_le, hw->st_dma); |
| 4974 | err_out_reset: |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4975 | sky2_write8(hw, B0_CTST, CS_RST_SET); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4976 | err_out_iounmap: |
| 4977 | iounmap(hw->regs); |
| 4978 | err_out_free_hw: |
| 4979 | kfree(hw); |
| 4980 | err_out_free_regions: |
| 4981 | pci_release_regions(pdev); |
Stephen Hemminger | 44a1d2e | 2007-04-30 14:23:49 -0700 | [diff] [blame] | 4982 | err_out_disable: |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4983 | pci_disable_device(pdev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4984 | err_out: |
Stephen Hemminger | 549a68c | 2007-05-11 11:21:44 -0700 | [diff] [blame] | 4985 | pci_set_drvdata(pdev, NULL); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4986 | return err; |
| 4987 | } |
| 4988 | |
| 4989 | static void __devexit sky2_remove(struct pci_dev *pdev) |
| 4990 | { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4991 | struct sky2_hw *hw = pci_get_drvdata(pdev); |
Stephen Hemminger | 6de1623 | 2007-10-17 13:26:42 -0700 | [diff] [blame] | 4992 | int i; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4993 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 4994 | if (!hw) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 4995 | return; |
| 4996 | |
Stephen Hemminger | 32c2c30 | 2007-08-21 14:34:03 -0700 | [diff] [blame] | 4997 | del_timer_sync(&hw->watchdog_timer); |
Stephen Hemminger | 6de1623 | 2007-10-17 13:26:42 -0700 | [diff] [blame] | 4998 | cancel_work_sync(&hw->restart_work); |
Stephen Hemminger | d27ed38 | 2006-04-25 10:58:51 -0700 | [diff] [blame] | 4999 | |
Stephen Hemminger | b877fe2 | 2007-10-22 13:39:09 -0700 | [diff] [blame] | 5000 | for (i = hw->ports-1; i >= 0; --i) |
Stephen Hemminger | 6de1623 | 2007-10-17 13:26:42 -0700 | [diff] [blame] | 5001 | unregister_netdev(hw->dev[i]); |
Stephen Hemminger | 8190679 | 2007-02-15 16:40:33 -0800 | [diff] [blame] | 5002 | |
Stephen Hemminger | d27ed38 | 2006-04-25 10:58:51 -0700 | [diff] [blame] | 5003 | sky2_write32(hw, B0_IMSK, 0); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 5004 | |
Stephen Hemminger | ae306cc | 2006-12-20 13:06:36 -0800 | [diff] [blame] | 5005 | sky2_power_aux(hw); |
| 5006 | |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 5007 | sky2_write8(hw, B0_CTST, CS_RST_SET); |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 5008 | sky2_read8(hw, B0_CTST); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 5009 | |
| 5010 | free_irq(pdev->irq, hw); |
Stephen Hemminger | ea76e63 | 2007-09-19 15:36:44 -0700 | [diff] [blame] | 5011 | if (hw->flags & SKY2_HW_USE_MSI) |
Stephen Hemminger | b0a20de | 2006-12-01 14:29:37 -0800 | [diff] [blame] | 5012 | pci_disable_msi(pdev); |
stephen hemminger | efe9193 | 2010-04-22 13:42:56 +0000 | [diff] [blame] | 5013 | pci_free_consistent(pdev, hw->st_size * sizeof(struct sky2_status_le), |
| 5014 | hw->st_le, hw->st_dma); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 5015 | pci_release_regions(pdev); |
| 5016 | pci_disable_device(pdev); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 5017 | |
Stephen Hemminger | b877fe2 | 2007-10-22 13:39:09 -0700 | [diff] [blame] | 5018 | for (i = hw->ports-1; i >= 0; --i) |
Stephen Hemminger | 6de1623 | 2007-10-17 13:26:42 -0700 | [diff] [blame] | 5019 | free_netdev(hw->dev[i]); |
| 5020 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 5021 | iounmap(hw->regs); |
| 5022 | kfree(hw); |
shemminger@osdl.org | 5afa0a9 | 2005-09-27 15:03:00 -0700 | [diff] [blame] | 5023 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 5024 | pci_set_drvdata(pdev, NULL); |
| 5025 | } |
| 5026 | |
Rafael J. Wysocki | 0f333d1 | 2010-12-26 08:44:32 +0000 | [diff] [blame] | 5027 | static int sky2_suspend(struct device *dev) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 5028 | { |
Rafael J. Wysocki | 0f333d1 | 2010-12-26 08:44:32 +0000 | [diff] [blame] | 5029 | struct pci_dev *pdev = to_pci_dev(dev); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 5030 | struct sky2_hw *hw = pci_get_drvdata(pdev); |
Rafael J. Wysocki | 0f333d1 | 2010-12-26 08:44:32 +0000 | [diff] [blame] | 5031 | int i; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 5032 | |
Stephen Hemminger | 549a68c | 2007-05-11 11:21:44 -0700 | [diff] [blame] | 5033 | if (!hw) |
| 5034 | return 0; |
| 5035 | |
Stephen Hemminger | 063a0b3 | 2008-04-02 09:03:23 -0700 | [diff] [blame] | 5036 | del_timer_sync(&hw->watchdog_timer); |
| 5037 | cancel_work_sync(&hw->restart_work); |
| 5038 | |
Stephen Hemminger | 1972073 | 2009-08-14 05:15:16 +0000 | [diff] [blame] | 5039 | rtnl_lock(); |
Mike McCormack | 3403aca | 2010-05-13 06:12:52 +0000 | [diff] [blame] | 5040 | |
| 5041 | sky2_all_down(hw); |
Stephen Hemminger | f05267e | 2006-06-13 17:17:28 +0900 | [diff] [blame] | 5042 | for (i = 0; i < hw->ports; i++) { |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 5043 | struct net_device *dev = hw->dev[i]; |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 5044 | struct sky2_port *sky2 = netdev_priv(dev); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 5045 | |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 5046 | if (sky2->wol) |
| 5047 | sky2_wol_init(sky2); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 5048 | } |
| 5049 | |
Stephen Hemminger | ae306cc | 2006-12-20 13:06:36 -0800 | [diff] [blame] | 5050 | sky2_power_aux(hw); |
Stephen Hemminger | 1972073 | 2009-08-14 05:15:16 +0000 | [diff] [blame] | 5051 | rtnl_unlock(); |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 5052 | |
Stephen Hemminger | 2ccc99b | 2006-06-13 17:17:27 +0900 | [diff] [blame] | 5053 | return 0; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 5054 | } |
| 5055 | |
Michel Lespinasse | 9425276 | 2011-03-06 16:14:50 +0000 | [diff] [blame] | 5056 | #ifdef CONFIG_PM_SLEEP |
Rafael J. Wysocki | 0f333d1 | 2010-12-26 08:44:32 +0000 | [diff] [blame] | 5057 | static int sky2_resume(struct device *dev) |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 5058 | { |
Rafael J. Wysocki | 0f333d1 | 2010-12-26 08:44:32 +0000 | [diff] [blame] | 5059 | struct pci_dev *pdev = to_pci_dev(dev); |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 5060 | struct sky2_hw *hw = pci_get_drvdata(pdev); |
Mike McCormack | 3403aca | 2010-05-13 06:12:52 +0000 | [diff] [blame] | 5061 | int err; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 5062 | |
Stephen Hemminger | 549a68c | 2007-05-11 11:21:44 -0700 | [diff] [blame] | 5063 | if (!hw) |
| 5064 | return 0; |
| 5065 | |
Stephen Hemminger | 1ad5b4a | 2007-04-07 16:02:27 -0700 | [diff] [blame] | 5066 | /* Re-enable all clocks */ |
stephen hemminger | a0db28b | 2010-02-07 06:23:53 +0000 | [diff] [blame] | 5067 | err = pci_write_config_dword(pdev, PCI_DEV_REG3, 0); |
| 5068 | if (err) { |
| 5069 | dev_err(&pdev->dev, "PCI write config failed\n"); |
| 5070 | goto out; |
| 5071 | } |
Stephen Hemminger | 1ad5b4a | 2007-04-07 16:02:27 -0700 | [diff] [blame] | 5072 | |
Mike McCormack | 3403aca | 2010-05-13 06:12:52 +0000 | [diff] [blame] | 5073 | rtnl_lock(); |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 5074 | sky2_reset(hw); |
Mike McCormack | 3403aca | 2010-05-13 06:12:52 +0000 | [diff] [blame] | 5075 | sky2_all_up(hw); |
Stephen Hemminger | af18d8b | 2009-08-14 15:31:25 -0700 | [diff] [blame] | 5076 | rtnl_unlock(); |
Stephen Hemminger | eb35cf6 | 2006-06-13 17:17:31 +0900 | [diff] [blame] | 5077 | |
Stephen Hemminger | ae306cc | 2006-12-20 13:06:36 -0800 | [diff] [blame] | 5078 | return 0; |
Stephen Hemminger | 08c06d8 | 2006-01-30 11:37:54 -0800 | [diff] [blame] | 5079 | out: |
Stephen Hemminger | af18d8b | 2009-08-14 15:31:25 -0700 | [diff] [blame] | 5080 | |
Stephen Hemminger | b02a925 | 2007-02-06 10:45:40 -0800 | [diff] [blame] | 5081 | dev_err(&pdev->dev, "resume failed (%d)\n", err); |
Stephen Hemminger | ae306cc | 2006-12-20 13:06:36 -0800 | [diff] [blame] | 5082 | pci_disable_device(pdev); |
Stephen Hemminger | 08c06d8 | 2006-01-30 11:37:54 -0800 | [diff] [blame] | 5083 | return err; |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 5084 | } |
Rafael J. Wysocki | 0f333d1 | 2010-12-26 08:44:32 +0000 | [diff] [blame] | 5085 | |
| 5086 | static SIMPLE_DEV_PM_OPS(sky2_pm_ops, sky2_suspend, sky2_resume); |
| 5087 | #define SKY2_PM_OPS (&sky2_pm_ops) |
| 5088 | |
| 5089 | #else |
| 5090 | |
| 5091 | #define SKY2_PM_OPS NULL |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 5092 | #endif |
| 5093 | |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 5094 | static void sky2_shutdown(struct pci_dev *pdev) |
| 5095 | { |
Rafael J. Wysocki | 0f333d1 | 2010-12-26 08:44:32 +0000 | [diff] [blame] | 5096 | sky2_suspend(&pdev->dev); |
| 5097 | pci_wake_from_d3(pdev, device_may_wakeup(&pdev->dev)); |
| 5098 | pci_set_power_state(pdev, PCI_D3hot); |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 5099 | } |
| 5100 | |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 5101 | static struct pci_driver sky2_driver = { |
Stephen Hemminger | 793b883 | 2005-09-14 16:06:14 -0700 | [diff] [blame] | 5102 | .name = DRV_NAME, |
| 5103 | .id_table = sky2_id_table, |
| 5104 | .probe = sky2_probe, |
| 5105 | .remove = __devexit_p(sky2_remove), |
Stephen Hemminger | e317383 | 2007-02-06 10:45:39 -0800 | [diff] [blame] | 5106 | .shutdown = sky2_shutdown, |
Rafael J. Wysocki | 0f333d1 | 2010-12-26 08:44:32 +0000 | [diff] [blame] | 5107 | .driver.pm = SKY2_PM_OPS, |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 5108 | }; |
| 5109 | |
| 5110 | static int __init sky2_init_module(void) |
| 5111 | { |
Joe Perches | ada1db5 | 2010-02-17 15:01:59 +0000 | [diff] [blame] | 5112 | pr_info("driver version " DRV_VERSION "\n"); |
Stephen Hemminger | c844d48 | 2008-08-27 20:48:23 -0700 | [diff] [blame] | 5113 | |
Stephen Hemminger | 3cf2675 | 2007-07-09 15:33:35 -0700 | [diff] [blame] | 5114 | sky2_debug_init(); |
shemminger@osdl.org | 50241c4 | 2005-11-30 11:45:22 -0800 | [diff] [blame] | 5115 | return pci_register_driver(&sky2_driver); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 5116 | } |
| 5117 | |
| 5118 | static void __exit sky2_cleanup_module(void) |
| 5119 | { |
| 5120 | pci_unregister_driver(&sky2_driver); |
Stephen Hemminger | 3cf2675 | 2007-07-09 15:33:35 -0700 | [diff] [blame] | 5121 | sky2_debug_cleanup(); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 5122 | } |
| 5123 | |
| 5124 | module_init(sky2_init_module); |
| 5125 | module_exit(sky2_cleanup_module); |
| 5126 | |
| 5127 | MODULE_DESCRIPTION("Marvell Yukon 2 Gigabit Ethernet driver"); |
Stephen Hemminger | 65ebe634 | 2007-01-23 11:38:57 -0800 | [diff] [blame] | 5128 | MODULE_AUTHOR("Stephen Hemminger <shemminger@linux-foundation.org>"); |
Stephen Hemminger | cd28ab6 | 2005-08-16 16:36:49 -0700 | [diff] [blame] | 5129 | MODULE_LICENSE("GPL"); |
shemminger@osdl.org | 5f4f9dc | 2005-11-30 11:45:23 -0800 | [diff] [blame] | 5130 | MODULE_VERSION(DRV_VERSION); |