Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
Francois Romieu | 07d3f51 | 2007-02-21 22:40:46 +0100 | [diff] [blame] | 2 | * r8169.c: RealTek 8169/8168/8101 ethernet driver. |
| 3 | * |
| 4 | * Copyright (c) 2002 ShuChen <shuchen@realtek.com.tw> |
| 5 | * Copyright (c) 2003 - 2007 Francois Romieu <romieu@fr.zoreil.com> |
| 6 | * Copyright (c) a lot of people too. Please respect their work. |
| 7 | * |
| 8 | * See MAINTAINERS file for support contact information. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 9 | */ |
| 10 | |
| 11 | #include <linux/module.h> |
| 12 | #include <linux/moduleparam.h> |
| 13 | #include <linux/pci.h> |
| 14 | #include <linux/netdevice.h> |
| 15 | #include <linux/etherdevice.h> |
| 16 | #include <linux/delay.h> |
| 17 | #include <linux/ethtool.h> |
| 18 | #include <linux/mii.h> |
| 19 | #include <linux/if_vlan.h> |
| 20 | #include <linux/crc32.h> |
| 21 | #include <linux/in.h> |
| 22 | #include <linux/ip.h> |
| 23 | #include <linux/tcp.h> |
| 24 | #include <linux/init.h> |
| 25 | #include <linux/dma-mapping.h> |
| 26 | |
Francois Romieu | 99f252b | 2007-04-02 22:59:59 +0200 | [diff] [blame] | 27 | #include <asm/system.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 28 | #include <asm/io.h> |
| 29 | #include <asm/irq.h> |
| 30 | |
Stephen Hemminger | f7ccf42 | 2005-05-27 21:11:41 +0200 | [diff] [blame] | 31 | #ifdef CONFIG_R8169_NAPI |
| 32 | #define NAPI_SUFFIX "-NAPI" |
| 33 | #else |
| 34 | #define NAPI_SUFFIX "" |
| 35 | #endif |
| 36 | |
| 37 | #define RTL8169_VERSION "2.2LK" NAPI_SUFFIX |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 38 | #define MODULENAME "r8169" |
| 39 | #define PFX MODULENAME ": " |
| 40 | |
| 41 | #ifdef RTL8169_DEBUG |
| 42 | #define assert(expr) \ |
Francois Romieu | 5b0384f | 2006-08-16 16:00:01 +0200 | [diff] [blame] | 43 | if (!(expr)) { \ |
| 44 | printk( "Assertion failed! %s,%s,%s,line=%d\n", \ |
| 45 | #expr,__FILE__,__FUNCTION__,__LINE__); \ |
| 46 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 47 | #define dprintk(fmt, args...) do { printk(PFX fmt, ## args); } while (0) |
| 48 | #else |
| 49 | #define assert(expr) do {} while (0) |
| 50 | #define dprintk(fmt, args...) do {} while (0) |
| 51 | #endif /* RTL8169_DEBUG */ |
| 52 | |
Stephen Hemminger | b57b7e5 | 2005-05-27 21:11:52 +0200 | [diff] [blame] | 53 | #define R8169_MSG_DEFAULT \ |
Francois Romieu | f0e837d | 2005-09-30 16:54:02 -0700 | [diff] [blame] | 54 | (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN) |
Stephen Hemminger | b57b7e5 | 2005-05-27 21:11:52 +0200 | [diff] [blame] | 55 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 56 | #define TX_BUFFS_AVAIL(tp) \ |
| 57 | (tp->dirty_tx + NUM_TX_DESC - tp->cur_tx - 1) |
| 58 | |
| 59 | #ifdef CONFIG_R8169_NAPI |
| 60 | #define rtl8169_rx_skb netif_receive_skb |
Tommy Christensen | 0b50f81 | 2005-09-21 12:13:57 -0700 | [diff] [blame] | 61 | #define rtl8169_rx_hwaccel_skb vlan_hwaccel_receive_skb |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 62 | #define rtl8169_rx_quota(count, quota) min(count, quota) |
| 63 | #else |
| 64 | #define rtl8169_rx_skb netif_rx |
Tommy Christensen | 0b50f81 | 2005-09-21 12:13:57 -0700 | [diff] [blame] | 65 | #define rtl8169_rx_hwaccel_skb vlan_hwaccel_rx |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 66 | #define rtl8169_rx_quota(count, quota) count |
| 67 | #endif |
| 68 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 69 | /* Maximum events (Rx packets, etc.) to handle at each interrupt. */ |
Arjan van de Ven | f71e130 | 2006-03-03 21:33:57 -0500 | [diff] [blame] | 70 | static const int max_interrupt_work = 20; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 71 | |
| 72 | /* Maximum number of multicast addresses to filter (vs. Rx-all-multicast). |
| 73 | The RTL chips use a 64 element hash table based on the Ethernet CRC. */ |
Arjan van de Ven | f71e130 | 2006-03-03 21:33:57 -0500 | [diff] [blame] | 74 | static const int multicast_filter_limit = 32; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 75 | |
| 76 | /* MAC address length */ |
| 77 | #define MAC_ADDR_LEN 6 |
| 78 | |
| 79 | #define RX_FIFO_THRESH 7 /* 7 means NO threshold, Rx buffer level before first PCI xfer. */ |
| 80 | #define RX_DMA_BURST 6 /* Maximum PCI burst, '6' is 1024 */ |
| 81 | #define TX_DMA_BURST 6 /* Maximum PCI burst, '6' is 1024 */ |
Francois Romieu | 07d3f51 | 2007-02-21 22:40:46 +0100 | [diff] [blame] | 82 | #define EarlyTxThld 0x3F /* 0x3F means NO early transmit */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 83 | #define RxPacketMaxSize 0x3FE8 /* 16K - 1 - ETH_HLEN - VLAN - CRC... */ |
| 84 | #define SafeMtu 0x1c20 /* ... actually life sucks beyond ~7k */ |
| 85 | #define InterFrameGap 0x03 /* 3 means InterFrameGap = the shortest one */ |
| 86 | |
| 87 | #define R8169_REGS_SIZE 256 |
| 88 | #define R8169_NAPI_WEIGHT 64 |
| 89 | #define NUM_TX_DESC 64 /* Number of Tx descriptor registers */ |
| 90 | #define NUM_RX_DESC 256 /* Number of Rx descriptor registers */ |
| 91 | #define RX_BUF_SIZE 1536 /* Rx Buffer size */ |
| 92 | #define R8169_TX_RING_BYTES (NUM_TX_DESC * sizeof(struct TxDesc)) |
| 93 | #define R8169_RX_RING_BYTES (NUM_RX_DESC * sizeof(struct RxDesc)) |
| 94 | |
| 95 | #define RTL8169_TX_TIMEOUT (6*HZ) |
| 96 | #define RTL8169_PHY_TIMEOUT (10*HZ) |
| 97 | |
| 98 | /* write/read MMIO register */ |
| 99 | #define RTL_W8(reg, val8) writeb ((val8), ioaddr + (reg)) |
| 100 | #define RTL_W16(reg, val16) writew ((val16), ioaddr + (reg)) |
| 101 | #define RTL_W32(reg, val32) writel ((val32), ioaddr + (reg)) |
| 102 | #define RTL_R8(reg) readb (ioaddr + (reg)) |
| 103 | #define RTL_R16(reg) readw (ioaddr + (reg)) |
| 104 | #define RTL_R32(reg) ((unsigned long) readl (ioaddr + (reg))) |
| 105 | |
| 106 | enum mac_version { |
Francois Romieu | ba6eb6e | 2007-06-11 23:35:18 +0200 | [diff] [blame] | 107 | RTL_GIGA_MAC_VER_01 = 0x01, // 8169 |
| 108 | RTL_GIGA_MAC_VER_02 = 0x02, // 8169S |
| 109 | RTL_GIGA_MAC_VER_03 = 0x03, // 8110S |
| 110 | RTL_GIGA_MAC_VER_04 = 0x04, // 8169SB |
| 111 | RTL_GIGA_MAC_VER_05 = 0x05, // 8110SCd |
Francois Romieu | 6dccd16 | 2007-02-13 23:38:05 +0100 | [diff] [blame] | 112 | RTL_GIGA_MAC_VER_06 = 0x06, // 8110SCe |
Francois Romieu | 2dd9953 | 2007-06-11 23:22:52 +0200 | [diff] [blame] | 113 | RTL_GIGA_MAC_VER_11 = 0x0b, // 8168Bb |
| 114 | RTL_GIGA_MAC_VER_12 = 0x0c, // 8168Be 8168Bf |
Francois Romieu | cdf1a60 | 2007-06-11 23:29:50 +0200 | [diff] [blame] | 115 | RTL_GIGA_MAC_VER_13 = 0x0d, // 8101Eb 8101Ec |
| 116 | RTL_GIGA_MAC_VER_14 = 0x0e, // 8101 |
| 117 | RTL_GIGA_MAC_VER_15 = 0x0f // 8101 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 118 | }; |
| 119 | |
| 120 | enum phy_version { |
| 121 | RTL_GIGA_PHY_VER_C = 0x03, /* PHY Reg 0x03 bit0-3 == 0x0000 */ |
| 122 | RTL_GIGA_PHY_VER_D = 0x04, /* PHY Reg 0x03 bit0-3 == 0x0000 */ |
| 123 | RTL_GIGA_PHY_VER_E = 0x05, /* PHY Reg 0x03 bit0-3 == 0x0000 */ |
| 124 | RTL_GIGA_PHY_VER_F = 0x06, /* PHY Reg 0x03 bit0-3 == 0x0001 */ |
| 125 | RTL_GIGA_PHY_VER_G = 0x07, /* PHY Reg 0x03 bit0-3 == 0x0002 */ |
| 126 | RTL_GIGA_PHY_VER_H = 0x08, /* PHY Reg 0x03 bit0-3 == 0x0003 */ |
| 127 | }; |
| 128 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 129 | #define _R(NAME,MAC,MASK) \ |
| 130 | { .name = NAME, .mac_version = MAC, .RxConfigMask = MASK } |
| 131 | |
Jesper Juhl | 3c6bee1 | 2006-01-09 20:54:01 -0800 | [diff] [blame] | 132 | static const struct { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 133 | const char *name; |
| 134 | u8 mac_version; |
| 135 | u32 RxConfigMask; /* Clears the bits supported by this chip */ |
| 136 | } rtl_chip_info[] = { |
Francois Romieu | ba6eb6e | 2007-06-11 23:35:18 +0200 | [diff] [blame] | 137 | _R("RTL8169", RTL_GIGA_MAC_VER_01, 0xff7e1880), // 8169 |
| 138 | _R("RTL8169s", RTL_GIGA_MAC_VER_02, 0xff7e1880), // 8169S |
| 139 | _R("RTL8110s", RTL_GIGA_MAC_VER_03, 0xff7e1880), // 8110S |
| 140 | _R("RTL8169sb/8110sb", RTL_GIGA_MAC_VER_04, 0xff7e1880), // 8169SB |
| 141 | _R("RTL8169sc/8110sc", RTL_GIGA_MAC_VER_05, 0xff7e1880), // 8110SCd |
Francois Romieu | 6dccd16 | 2007-02-13 23:38:05 +0100 | [diff] [blame] | 142 | _R("RTL8169sc/8110sc", RTL_GIGA_MAC_VER_06, 0xff7e1880), // 8110SCe |
Francois Romieu | bcf0bf9 | 2006-07-26 23:14:13 +0200 | [diff] [blame] | 143 | _R("RTL8168b/8111b", RTL_GIGA_MAC_VER_11, 0xff7e1880), // PCI-E |
| 144 | _R("RTL8168b/8111b", RTL_GIGA_MAC_VER_12, 0xff7e1880), // PCI-E |
| 145 | _R("RTL8101e", RTL_GIGA_MAC_VER_13, 0xff7e1880), // PCI-E 8139 |
| 146 | _R("RTL8100e", RTL_GIGA_MAC_VER_14, 0xff7e1880), // PCI-E 8139 |
| 147 | _R("RTL8100e", RTL_GIGA_MAC_VER_15, 0xff7e1880) // PCI-E 8139 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 148 | }; |
| 149 | #undef _R |
| 150 | |
Francois Romieu | bcf0bf9 | 2006-07-26 23:14:13 +0200 | [diff] [blame] | 151 | enum cfg_version { |
| 152 | RTL_CFG_0 = 0x00, |
| 153 | RTL_CFG_1, |
| 154 | RTL_CFG_2 |
| 155 | }; |
| 156 | |
Francois Romieu | 07ce406 | 2007-02-23 23:36:39 +0100 | [diff] [blame] | 157 | static void rtl_hw_start_8169(struct net_device *); |
| 158 | static void rtl_hw_start_8168(struct net_device *); |
| 159 | static void rtl_hw_start_8101(struct net_device *); |
| 160 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 161 | static struct pci_device_id rtl8169_pci_tbl[] = { |
Francois Romieu | bcf0bf9 | 2006-07-26 23:14:13 +0200 | [diff] [blame] | 162 | { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8129), 0, 0, RTL_CFG_0 }, |
Francois Romieu | d2eed8c | 2006-08-31 22:01:07 +0200 | [diff] [blame] | 163 | { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8136), 0, 0, RTL_CFG_2 }, |
Francois Romieu | d81bf55 | 2006-09-20 21:31:20 +0200 | [diff] [blame] | 164 | { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8167), 0, 0, RTL_CFG_0 }, |
Francois Romieu | 07ce406 | 2007-02-23 23:36:39 +0100 | [diff] [blame] | 165 | { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8168), 0, 0, RTL_CFG_1 }, |
Francois Romieu | bcf0bf9 | 2006-07-26 23:14:13 +0200 | [diff] [blame] | 166 | { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8169), 0, 0, RTL_CFG_0 }, |
| 167 | { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4300), 0, 0, RTL_CFG_0 }, |
Andrew Morton | 73f5e28 | 2006-10-09 21:58:54 +0200 | [diff] [blame] | 168 | { PCI_DEVICE(0x1259, 0xc107), 0, 0, RTL_CFG_0 }, |
Francois Romieu | bcf0bf9 | 2006-07-26 23:14:13 +0200 | [diff] [blame] | 169 | { PCI_DEVICE(0x16ec, 0x0116), 0, 0, RTL_CFG_0 }, |
| 170 | { PCI_VENDOR_ID_LINKSYS, 0x1032, |
| 171 | PCI_ANY_ID, 0x0024, 0, 0, RTL_CFG_0 }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 172 | {0,}, |
| 173 | }; |
| 174 | |
| 175 | MODULE_DEVICE_TABLE(pci, rtl8169_pci_tbl); |
| 176 | |
| 177 | static int rx_copybreak = 200; |
| 178 | static int use_dac; |
Stephen Hemminger | b57b7e5 | 2005-05-27 21:11:52 +0200 | [diff] [blame] | 179 | static struct { |
| 180 | u32 msg_enable; |
| 181 | } debug = { -1 }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 182 | |
Francois Romieu | 07d3f51 | 2007-02-21 22:40:46 +0100 | [diff] [blame] | 183 | enum rtl_registers { |
| 184 | MAC0 = 0, /* Ethernet hardware address. */ |
Francois Romieu | 773d202 | 2007-01-31 23:47:43 +0100 | [diff] [blame] | 185 | MAC4 = 4, |
Francois Romieu | 07d3f51 | 2007-02-21 22:40:46 +0100 | [diff] [blame] | 186 | MAR0 = 8, /* Multicast filter. */ |
| 187 | CounterAddrLow = 0x10, |
| 188 | CounterAddrHigh = 0x14, |
| 189 | TxDescStartAddrLow = 0x20, |
| 190 | TxDescStartAddrHigh = 0x24, |
| 191 | TxHDescStartAddrLow = 0x28, |
| 192 | TxHDescStartAddrHigh = 0x2c, |
| 193 | FLASH = 0x30, |
| 194 | ERSR = 0x36, |
| 195 | ChipCmd = 0x37, |
| 196 | TxPoll = 0x38, |
| 197 | IntrMask = 0x3c, |
| 198 | IntrStatus = 0x3e, |
| 199 | TxConfig = 0x40, |
| 200 | RxConfig = 0x44, |
| 201 | RxMissed = 0x4c, |
| 202 | Cfg9346 = 0x50, |
| 203 | Config0 = 0x51, |
| 204 | Config1 = 0x52, |
| 205 | Config2 = 0x53, |
| 206 | Config3 = 0x54, |
| 207 | Config4 = 0x55, |
| 208 | Config5 = 0x56, |
| 209 | MultiIntr = 0x5c, |
| 210 | PHYAR = 0x60, |
| 211 | TBICSR = 0x64, |
| 212 | TBI_ANAR = 0x68, |
| 213 | TBI_LPAR = 0x6a, |
| 214 | PHYstatus = 0x6c, |
| 215 | RxMaxSize = 0xda, |
| 216 | CPlusCmd = 0xe0, |
| 217 | IntrMitigate = 0xe2, |
| 218 | RxDescAddrLow = 0xe4, |
| 219 | RxDescAddrHigh = 0xe8, |
| 220 | EarlyTxThres = 0xec, |
| 221 | FuncEvent = 0xf0, |
| 222 | FuncEventMask = 0xf4, |
| 223 | FuncPresetState = 0xf8, |
| 224 | FuncForceEvent = 0xfc, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 225 | }; |
| 226 | |
Francois Romieu | 07d3f51 | 2007-02-21 22:40:46 +0100 | [diff] [blame] | 227 | enum rtl_register_content { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 228 | /* InterruptStatusBits */ |
Francois Romieu | 07d3f51 | 2007-02-21 22:40:46 +0100 | [diff] [blame] | 229 | SYSErr = 0x8000, |
| 230 | PCSTimeout = 0x4000, |
| 231 | SWInt = 0x0100, |
| 232 | TxDescUnavail = 0x0080, |
| 233 | RxFIFOOver = 0x0040, |
| 234 | LinkChg = 0x0020, |
| 235 | RxOverflow = 0x0010, |
| 236 | TxErr = 0x0008, |
| 237 | TxOK = 0x0004, |
| 238 | RxErr = 0x0002, |
| 239 | RxOK = 0x0001, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 240 | |
| 241 | /* RxStatusDesc */ |
Francois Romieu | 9dccf61 | 2006-05-14 12:31:17 +0200 | [diff] [blame] | 242 | RxFOVF = (1 << 23), |
| 243 | RxRWT = (1 << 22), |
| 244 | RxRES = (1 << 21), |
| 245 | RxRUNT = (1 << 20), |
| 246 | RxCRC = (1 << 19), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 247 | |
| 248 | /* ChipCmdBits */ |
Francois Romieu | 07d3f51 | 2007-02-21 22:40:46 +0100 | [diff] [blame] | 249 | CmdReset = 0x10, |
| 250 | CmdRxEnb = 0x08, |
| 251 | CmdTxEnb = 0x04, |
| 252 | RxBufEmpty = 0x01, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 253 | |
Francois Romieu | 275391a | 2007-02-23 23:50:28 +0100 | [diff] [blame] | 254 | /* TXPoll register p.5 */ |
| 255 | HPQ = 0x80, /* Poll cmd on the high prio queue */ |
| 256 | NPQ = 0x40, /* Poll cmd on the low prio queue */ |
| 257 | FSWInt = 0x01, /* Forced software interrupt */ |
| 258 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 259 | /* Cfg9346Bits */ |
Francois Romieu | 07d3f51 | 2007-02-21 22:40:46 +0100 | [diff] [blame] | 260 | Cfg9346_Lock = 0x00, |
| 261 | Cfg9346_Unlock = 0xc0, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 262 | |
| 263 | /* rx_mode_bits */ |
Francois Romieu | 07d3f51 | 2007-02-21 22:40:46 +0100 | [diff] [blame] | 264 | AcceptErr = 0x20, |
| 265 | AcceptRunt = 0x10, |
| 266 | AcceptBroadcast = 0x08, |
| 267 | AcceptMulticast = 0x04, |
| 268 | AcceptMyPhys = 0x02, |
| 269 | AcceptAllPhys = 0x01, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 270 | |
| 271 | /* RxConfigBits */ |
Francois Romieu | 07d3f51 | 2007-02-21 22:40:46 +0100 | [diff] [blame] | 272 | RxCfgFIFOShift = 13, |
| 273 | RxCfgDMAShift = 8, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 274 | |
| 275 | /* TxConfigBits */ |
| 276 | TxInterFrameGapShift = 24, |
| 277 | TxDMAShift = 8, /* DMA burst value (0-7) is shift this many bits */ |
| 278 | |
Francois Romieu | 5d06a99 | 2006-02-23 00:47:58 +0100 | [diff] [blame] | 279 | /* Config1 register p.24 */ |
| 280 | PMEnable = (1 << 0), /* Power Management Enable */ |
| 281 | |
Francois Romieu | 6dccd16 | 2007-02-13 23:38:05 +0100 | [diff] [blame] | 282 | /* Config2 register p. 25 */ |
| 283 | PCI_Clock_66MHz = 0x01, |
| 284 | PCI_Clock_33MHz = 0x00, |
| 285 | |
Francois Romieu | 61a4dcc | 2006-02-23 00:55:25 +0100 | [diff] [blame] | 286 | /* Config3 register p.25 */ |
| 287 | MagicPacket = (1 << 5), /* Wake up when receives a Magic Packet */ |
| 288 | LinkUp = (1 << 4), /* Wake up when the cable connection is re-established */ |
| 289 | |
Francois Romieu | 5d06a99 | 2006-02-23 00:47:58 +0100 | [diff] [blame] | 290 | /* Config5 register p.27 */ |
Francois Romieu | 61a4dcc | 2006-02-23 00:55:25 +0100 | [diff] [blame] | 291 | BWF = (1 << 6), /* Accept Broadcast wakeup frame */ |
| 292 | MWF = (1 << 5), /* Accept Multicast wakeup frame */ |
| 293 | UWF = (1 << 4), /* Accept Unicast wakeup frame */ |
| 294 | LanWake = (1 << 1), /* LanWake enable/disable */ |
Francois Romieu | 5d06a99 | 2006-02-23 00:47:58 +0100 | [diff] [blame] | 295 | PMEStatus = (1 << 0), /* PME status can be reset by PCI RST# */ |
| 296 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 297 | /* TBICSR p.28 */ |
| 298 | TBIReset = 0x80000000, |
| 299 | TBILoopback = 0x40000000, |
| 300 | TBINwEnable = 0x20000000, |
| 301 | TBINwRestart = 0x10000000, |
| 302 | TBILinkOk = 0x02000000, |
| 303 | TBINwComplete = 0x01000000, |
| 304 | |
| 305 | /* CPlusCmd p.31 */ |
Francois Romieu | 0e48515 | 2007-02-20 00:00:26 +0100 | [diff] [blame] | 306 | PktCntrDisable = (1 << 7), // 8168 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 307 | RxVlan = (1 << 6), |
| 308 | RxChkSum = (1 << 5), |
| 309 | PCIDAC = (1 << 4), |
| 310 | PCIMulRW = (1 << 3), |
Francois Romieu | 0e48515 | 2007-02-20 00:00:26 +0100 | [diff] [blame] | 311 | INTT_0 = 0x0000, // 8168 |
| 312 | INTT_1 = 0x0001, // 8168 |
| 313 | INTT_2 = 0x0002, // 8168 |
| 314 | INTT_3 = 0x0003, // 8168 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 315 | |
| 316 | /* rtl8169_PHYstatus */ |
Francois Romieu | 07d3f51 | 2007-02-21 22:40:46 +0100 | [diff] [blame] | 317 | TBI_Enable = 0x80, |
| 318 | TxFlowCtrl = 0x40, |
| 319 | RxFlowCtrl = 0x20, |
| 320 | _1000bpsF = 0x10, |
| 321 | _100bps = 0x08, |
| 322 | _10bps = 0x04, |
| 323 | LinkStatus = 0x02, |
| 324 | FullDup = 0x01, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 325 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 326 | /* _TBICSRBit */ |
Francois Romieu | 07d3f51 | 2007-02-21 22:40:46 +0100 | [diff] [blame] | 327 | TBILinkOK = 0x02000000, |
Stephen Hemminger | d4a3a0f | 2005-05-27 21:11:56 +0200 | [diff] [blame] | 328 | |
| 329 | /* DumpCounterCommand */ |
Francois Romieu | 07d3f51 | 2007-02-21 22:40:46 +0100 | [diff] [blame] | 330 | CounterDump = 0x8, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 331 | }; |
| 332 | |
Francois Romieu | 07d3f51 | 2007-02-21 22:40:46 +0100 | [diff] [blame] | 333 | enum desc_status_bit { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 334 | DescOwn = (1 << 31), /* Descriptor is owned by NIC */ |
| 335 | RingEnd = (1 << 30), /* End of descriptor ring */ |
| 336 | FirstFrag = (1 << 29), /* First segment of a packet */ |
| 337 | LastFrag = (1 << 28), /* Final segment of a packet */ |
| 338 | |
| 339 | /* Tx private */ |
| 340 | LargeSend = (1 << 27), /* TCP Large Send Offload (TSO) */ |
| 341 | MSSShift = 16, /* MSS value position */ |
| 342 | MSSMask = 0xfff, /* MSS value + LargeSend bit: 12 bits */ |
| 343 | IPCS = (1 << 18), /* Calculate IP checksum */ |
| 344 | UDPCS = (1 << 17), /* Calculate UDP/IP checksum */ |
| 345 | TCPCS = (1 << 16), /* Calculate TCP/IP checksum */ |
| 346 | TxVlanTag = (1 << 17), /* Add VLAN tag */ |
| 347 | |
| 348 | /* Rx private */ |
| 349 | PID1 = (1 << 18), /* Protocol ID bit 1/2 */ |
| 350 | PID0 = (1 << 17), /* Protocol ID bit 2/2 */ |
| 351 | |
| 352 | #define RxProtoUDP (PID1) |
| 353 | #define RxProtoTCP (PID0) |
| 354 | #define RxProtoIP (PID1 | PID0) |
| 355 | #define RxProtoMask RxProtoIP |
| 356 | |
| 357 | IPFail = (1 << 16), /* IP checksum failed */ |
| 358 | UDPFail = (1 << 15), /* UDP/IP checksum failed */ |
| 359 | TCPFail = (1 << 14), /* TCP/IP checksum failed */ |
| 360 | RxVlanTag = (1 << 16), /* VLAN tag available */ |
| 361 | }; |
| 362 | |
| 363 | #define RsvdMask 0x3fffc000 |
| 364 | |
| 365 | struct TxDesc { |
Rolf Eike Beer | 6cccd6e | 2007-05-21 22:11:04 +0200 | [diff] [blame] | 366 | __le32 opts1; |
| 367 | __le32 opts2; |
| 368 | __le64 addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 369 | }; |
| 370 | |
| 371 | struct RxDesc { |
Rolf Eike Beer | 6cccd6e | 2007-05-21 22:11:04 +0200 | [diff] [blame] | 372 | __le32 opts1; |
| 373 | __le32 opts2; |
| 374 | __le64 addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 375 | }; |
| 376 | |
| 377 | struct ring_info { |
| 378 | struct sk_buff *skb; |
| 379 | u32 len; |
| 380 | u8 __pad[sizeof(void *) - sizeof(u32)]; |
| 381 | }; |
| 382 | |
| 383 | struct rtl8169_private { |
| 384 | void __iomem *mmio_addr; /* memory map physical address */ |
| 385 | struct pci_dev *pci_dev; /* Index of PCI device */ |
David Howells | c402895 | 2006-11-22 14:57:56 +0000 | [diff] [blame] | 386 | struct net_device *dev; |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 387 | struct napi_struct napi; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 388 | struct net_device_stats stats; /* statistics of net device */ |
| 389 | spinlock_t lock; /* spin lock flag */ |
Stephen Hemminger | b57b7e5 | 2005-05-27 21:11:52 +0200 | [diff] [blame] | 390 | u32 msg_enable; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 391 | int chipset; |
| 392 | int mac_version; |
| 393 | int phy_version; |
| 394 | u32 cur_rx; /* Index into the Rx descriptor buffer of next Rx pkt. */ |
| 395 | u32 cur_tx; /* Index into the Tx descriptor buffer of next Rx pkt. */ |
| 396 | u32 dirty_rx; |
| 397 | u32 dirty_tx; |
| 398 | struct TxDesc *TxDescArray; /* 256-aligned Tx descriptor ring */ |
| 399 | struct RxDesc *RxDescArray; /* 256-aligned Rx descriptor ring */ |
| 400 | dma_addr_t TxPhyAddr; |
| 401 | dma_addr_t RxPhyAddr; |
| 402 | struct sk_buff *Rx_skbuff[NUM_RX_DESC]; /* Rx data buffers */ |
| 403 | struct ring_info tx_skb[NUM_TX_DESC]; /* Tx data buffers */ |
Francois Romieu | bcf0bf9 | 2006-07-26 23:14:13 +0200 | [diff] [blame] | 404 | unsigned align; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 405 | unsigned rx_buf_sz; |
| 406 | struct timer_list timer; |
| 407 | u16 cp_cmd; |
Francois Romieu | 0e48515 | 2007-02-20 00:00:26 +0100 | [diff] [blame] | 408 | u16 intr_event; |
| 409 | u16 napi_event; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 410 | u16 intr_mask; |
| 411 | int phy_auto_nego_reg; |
| 412 | int phy_1000_ctrl_reg; |
| 413 | #ifdef CONFIG_R8169_VLAN |
| 414 | struct vlan_group *vlgrp; |
| 415 | #endif |
| 416 | int (*set_speed)(struct net_device *, u8 autoneg, u16 speed, u8 duplex); |
| 417 | void (*get_settings)(struct net_device *, struct ethtool_cmd *); |
| 418 | void (*phy_reset_enable)(void __iomem *); |
Francois Romieu | 07ce406 | 2007-02-23 23:36:39 +0100 | [diff] [blame] | 419 | void (*hw_start)(struct net_device *); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 420 | unsigned int (*phy_reset_pending)(void __iomem *); |
| 421 | unsigned int (*link_ok)(void __iomem *); |
David Howells | c402895 | 2006-11-22 14:57:56 +0000 | [diff] [blame] | 422 | struct delayed_work task; |
Francois Romieu | 61a4dcc | 2006-02-23 00:55:25 +0100 | [diff] [blame] | 423 | unsigned wol_enabled : 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 424 | }; |
| 425 | |
Ralf Baechle | 979b6c1 | 2005-06-13 14:30:40 -0700 | [diff] [blame] | 426 | MODULE_AUTHOR("Realtek and the Linux r8169 crew <netdev@vger.kernel.org>"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 427 | MODULE_DESCRIPTION("RealTek RTL-8169 Gigabit Ethernet driver"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 428 | module_param(rx_copybreak, int, 0); |
Stephen Hemminger | 1b7efd5 | 2005-05-27 21:11:45 +0200 | [diff] [blame] | 429 | MODULE_PARM_DESC(rx_copybreak, "Copy breakpoint for copy-only-tiny-frames"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 430 | module_param(use_dac, int, 0); |
| 431 | MODULE_PARM_DESC(use_dac, "Enable PCI DAC. Unsafe on 32 bit PCI slot."); |
Stephen Hemminger | b57b7e5 | 2005-05-27 21:11:52 +0200 | [diff] [blame] | 432 | module_param_named(debug, debug.msg_enable, int, 0); |
| 433 | MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 16=all)"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 434 | MODULE_LICENSE("GPL"); |
| 435 | MODULE_VERSION(RTL8169_VERSION); |
| 436 | |
| 437 | static int rtl8169_open(struct net_device *dev); |
| 438 | static int rtl8169_start_xmit(struct sk_buff *skb, struct net_device *dev); |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 439 | static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 440 | static int rtl8169_init_ring(struct net_device *dev); |
Francois Romieu | 07ce406 | 2007-02-23 23:36:39 +0100 | [diff] [blame] | 441 | static void rtl_hw_start(struct net_device *dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 442 | static int rtl8169_close(struct net_device *dev); |
Francois Romieu | 07ce406 | 2007-02-23 23:36:39 +0100 | [diff] [blame] | 443 | static void rtl_set_rx_mode(struct net_device *dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 444 | static void rtl8169_tx_timeout(struct net_device *dev); |
Richard Dawe | 4dcb7d3 | 2005-05-27 21:12:00 +0200 | [diff] [blame] | 445 | static struct net_device_stats *rtl8169_get_stats(struct net_device *dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 446 | static int rtl8169_rx_interrupt(struct net_device *, struct rtl8169_private *, |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 447 | void __iomem *, u32 budget); |
Richard Dawe | 4dcb7d3 | 2005-05-27 21:12:00 +0200 | [diff] [blame] | 448 | static int rtl8169_change_mtu(struct net_device *dev, int new_mtu); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 449 | static void rtl8169_down(struct net_device *dev); |
Francois Romieu | 99f252b | 2007-04-02 22:59:59 +0200 | [diff] [blame] | 450 | static void rtl8169_rx_clear(struct rtl8169_private *tp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 451 | |
| 452 | #ifdef CONFIG_R8169_NAPI |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 453 | static int rtl8169_poll(struct napi_struct *napi, int budget); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 454 | #endif |
| 455 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 456 | static const unsigned int rtl8169_rx_config = |
Francois Romieu | 5b0384f | 2006-08-16 16:00:01 +0200 | [diff] [blame] | 457 | (RX_FIFO_THRESH << RxCfgFIFOShift) | (RX_DMA_BURST << RxCfgDMAShift); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 458 | |
Francois Romieu | 07d3f51 | 2007-02-21 22:40:46 +0100 | [diff] [blame] | 459 | static void mdio_write(void __iomem *ioaddr, int reg_addr, int value) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 460 | { |
| 461 | int i; |
| 462 | |
Francois Romieu | 07d3f51 | 2007-02-21 22:40:46 +0100 | [diff] [blame] | 463 | RTL_W32(PHYAR, 0x80000000 | (reg_addr & 0xFF) << 16 | value); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 464 | |
Francois Romieu | 2371408 | 2006-01-29 00:49:09 +0100 | [diff] [blame] | 465 | for (i = 20; i > 0; i--) { |
Francois Romieu | 07d3f51 | 2007-02-21 22:40:46 +0100 | [diff] [blame] | 466 | /* |
| 467 | * Check if the RTL8169 has completed writing to the specified |
| 468 | * MII register. |
| 469 | */ |
Francois Romieu | 5b0384f | 2006-08-16 16:00:01 +0200 | [diff] [blame] | 470 | if (!(RTL_R32(PHYAR) & 0x80000000)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 471 | break; |
Francois Romieu | 2371408 | 2006-01-29 00:49:09 +0100 | [diff] [blame] | 472 | udelay(25); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 473 | } |
| 474 | } |
| 475 | |
Francois Romieu | 07d3f51 | 2007-02-21 22:40:46 +0100 | [diff] [blame] | 476 | static int mdio_read(void __iomem *ioaddr, int reg_addr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 477 | { |
| 478 | int i, value = -1; |
| 479 | |
Francois Romieu | 07d3f51 | 2007-02-21 22:40:46 +0100 | [diff] [blame] | 480 | RTL_W32(PHYAR, 0x0 | (reg_addr & 0xFF) << 16); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 481 | |
Francois Romieu | 2371408 | 2006-01-29 00:49:09 +0100 | [diff] [blame] | 482 | for (i = 20; i > 0; i--) { |
Francois Romieu | 07d3f51 | 2007-02-21 22:40:46 +0100 | [diff] [blame] | 483 | /* |
| 484 | * Check if the RTL8169 has completed retrieving data from |
| 485 | * the specified MII register. |
| 486 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 487 | if (RTL_R32(PHYAR) & 0x80000000) { |
| 488 | value = (int) (RTL_R32(PHYAR) & 0xFFFF); |
| 489 | break; |
| 490 | } |
Francois Romieu | 2371408 | 2006-01-29 00:49:09 +0100 | [diff] [blame] | 491 | udelay(25); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 492 | } |
| 493 | return value; |
| 494 | } |
| 495 | |
| 496 | static void rtl8169_irq_mask_and_ack(void __iomem *ioaddr) |
| 497 | { |
| 498 | RTL_W16(IntrMask, 0x0000); |
| 499 | |
| 500 | RTL_W16(IntrStatus, 0xffff); |
| 501 | } |
| 502 | |
| 503 | static void rtl8169_asic_down(void __iomem *ioaddr) |
| 504 | { |
| 505 | RTL_W8(ChipCmd, 0x00); |
| 506 | rtl8169_irq_mask_and_ack(ioaddr); |
| 507 | RTL_R16(CPlusCmd); |
| 508 | } |
| 509 | |
| 510 | static unsigned int rtl8169_tbi_reset_pending(void __iomem *ioaddr) |
| 511 | { |
| 512 | return RTL_R32(TBICSR) & TBIReset; |
| 513 | } |
| 514 | |
| 515 | static unsigned int rtl8169_xmii_reset_pending(void __iomem *ioaddr) |
| 516 | { |
Francois Romieu | 64e4bfb | 2006-08-17 12:43:06 +0200 | [diff] [blame] | 517 | return mdio_read(ioaddr, MII_BMCR) & BMCR_RESET; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 518 | } |
| 519 | |
| 520 | static unsigned int rtl8169_tbi_link_ok(void __iomem *ioaddr) |
| 521 | { |
| 522 | return RTL_R32(TBICSR) & TBILinkOk; |
| 523 | } |
| 524 | |
| 525 | static unsigned int rtl8169_xmii_link_ok(void __iomem *ioaddr) |
| 526 | { |
| 527 | return RTL_R8(PHYstatus) & LinkStatus; |
| 528 | } |
| 529 | |
| 530 | static void rtl8169_tbi_reset_enable(void __iomem *ioaddr) |
| 531 | { |
| 532 | RTL_W32(TBICSR, RTL_R32(TBICSR) | TBIReset); |
| 533 | } |
| 534 | |
| 535 | static void rtl8169_xmii_reset_enable(void __iomem *ioaddr) |
| 536 | { |
| 537 | unsigned int val; |
| 538 | |
Francois Romieu | 9e0db8e | 2007-03-08 23:59:54 +0100 | [diff] [blame] | 539 | val = mdio_read(ioaddr, MII_BMCR) | BMCR_RESET; |
| 540 | mdio_write(ioaddr, MII_BMCR, val & 0xffff); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 541 | } |
| 542 | |
| 543 | static void rtl8169_check_link_status(struct net_device *dev, |
Francois Romieu | 07d3f51 | 2007-02-21 22:40:46 +0100 | [diff] [blame] | 544 | struct rtl8169_private *tp, |
| 545 | void __iomem *ioaddr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 546 | { |
| 547 | unsigned long flags; |
| 548 | |
| 549 | spin_lock_irqsave(&tp->lock, flags); |
| 550 | if (tp->link_ok(ioaddr)) { |
| 551 | netif_carrier_on(dev); |
Stephen Hemminger | b57b7e5 | 2005-05-27 21:11:52 +0200 | [diff] [blame] | 552 | if (netif_msg_ifup(tp)) |
| 553 | printk(KERN_INFO PFX "%s: link up\n", dev->name); |
| 554 | } else { |
| 555 | if (netif_msg_ifdown(tp)) |
| 556 | printk(KERN_INFO PFX "%s: link down\n", dev->name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 557 | netif_carrier_off(dev); |
Stephen Hemminger | b57b7e5 | 2005-05-27 21:11:52 +0200 | [diff] [blame] | 558 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 559 | spin_unlock_irqrestore(&tp->lock, flags); |
| 560 | } |
| 561 | |
Francois Romieu | 61a4dcc | 2006-02-23 00:55:25 +0100 | [diff] [blame] | 562 | static void rtl8169_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) |
| 563 | { |
| 564 | struct rtl8169_private *tp = netdev_priv(dev); |
| 565 | void __iomem *ioaddr = tp->mmio_addr; |
| 566 | u8 options; |
| 567 | |
| 568 | wol->wolopts = 0; |
| 569 | |
| 570 | #define WAKE_ANY (WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_BCAST | WAKE_MCAST) |
| 571 | wol->supported = WAKE_ANY; |
| 572 | |
| 573 | spin_lock_irq(&tp->lock); |
| 574 | |
| 575 | options = RTL_R8(Config1); |
| 576 | if (!(options & PMEnable)) |
| 577 | goto out_unlock; |
| 578 | |
| 579 | options = RTL_R8(Config3); |
| 580 | if (options & LinkUp) |
| 581 | wol->wolopts |= WAKE_PHY; |
| 582 | if (options & MagicPacket) |
| 583 | wol->wolopts |= WAKE_MAGIC; |
| 584 | |
| 585 | options = RTL_R8(Config5); |
| 586 | if (options & UWF) |
| 587 | wol->wolopts |= WAKE_UCAST; |
| 588 | if (options & BWF) |
Francois Romieu | 5b0384f | 2006-08-16 16:00:01 +0200 | [diff] [blame] | 589 | wol->wolopts |= WAKE_BCAST; |
Francois Romieu | 61a4dcc | 2006-02-23 00:55:25 +0100 | [diff] [blame] | 590 | if (options & MWF) |
Francois Romieu | 5b0384f | 2006-08-16 16:00:01 +0200 | [diff] [blame] | 591 | wol->wolopts |= WAKE_MCAST; |
Francois Romieu | 61a4dcc | 2006-02-23 00:55:25 +0100 | [diff] [blame] | 592 | |
| 593 | out_unlock: |
| 594 | spin_unlock_irq(&tp->lock); |
| 595 | } |
| 596 | |
| 597 | static int rtl8169_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) |
| 598 | { |
| 599 | struct rtl8169_private *tp = netdev_priv(dev); |
| 600 | void __iomem *ioaddr = tp->mmio_addr; |
Francois Romieu | 07d3f51 | 2007-02-21 22:40:46 +0100 | [diff] [blame] | 601 | unsigned int i; |
Francois Romieu | 61a4dcc | 2006-02-23 00:55:25 +0100 | [diff] [blame] | 602 | static struct { |
| 603 | u32 opt; |
| 604 | u16 reg; |
| 605 | u8 mask; |
| 606 | } cfg[] = { |
| 607 | { WAKE_ANY, Config1, PMEnable }, |
| 608 | { WAKE_PHY, Config3, LinkUp }, |
| 609 | { WAKE_MAGIC, Config3, MagicPacket }, |
| 610 | { WAKE_UCAST, Config5, UWF }, |
| 611 | { WAKE_BCAST, Config5, BWF }, |
| 612 | { WAKE_MCAST, Config5, MWF }, |
| 613 | { WAKE_ANY, Config5, LanWake } |
| 614 | }; |
| 615 | |
| 616 | spin_lock_irq(&tp->lock); |
| 617 | |
| 618 | RTL_W8(Cfg9346, Cfg9346_Unlock); |
| 619 | |
| 620 | for (i = 0; i < ARRAY_SIZE(cfg); i++) { |
| 621 | u8 options = RTL_R8(cfg[i].reg) & ~cfg[i].mask; |
| 622 | if (wol->wolopts & cfg[i].opt) |
| 623 | options |= cfg[i].mask; |
| 624 | RTL_W8(cfg[i].reg, options); |
| 625 | } |
| 626 | |
| 627 | RTL_W8(Cfg9346, Cfg9346_Lock); |
| 628 | |
| 629 | tp->wol_enabled = (wol->wolopts) ? 1 : 0; |
| 630 | |
| 631 | spin_unlock_irq(&tp->lock); |
| 632 | |
| 633 | return 0; |
| 634 | } |
| 635 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 636 | static void rtl8169_get_drvinfo(struct net_device *dev, |
| 637 | struct ethtool_drvinfo *info) |
| 638 | { |
| 639 | struct rtl8169_private *tp = netdev_priv(dev); |
| 640 | |
| 641 | strcpy(info->driver, MODULENAME); |
| 642 | strcpy(info->version, RTL8169_VERSION); |
| 643 | strcpy(info->bus_info, pci_name(tp->pci_dev)); |
| 644 | } |
| 645 | |
| 646 | static int rtl8169_get_regs_len(struct net_device *dev) |
| 647 | { |
| 648 | return R8169_REGS_SIZE; |
| 649 | } |
| 650 | |
| 651 | static int rtl8169_set_speed_tbi(struct net_device *dev, |
| 652 | u8 autoneg, u16 speed, u8 duplex) |
| 653 | { |
| 654 | struct rtl8169_private *tp = netdev_priv(dev); |
| 655 | void __iomem *ioaddr = tp->mmio_addr; |
| 656 | int ret = 0; |
| 657 | u32 reg; |
| 658 | |
| 659 | reg = RTL_R32(TBICSR); |
| 660 | if ((autoneg == AUTONEG_DISABLE) && (speed == SPEED_1000) && |
| 661 | (duplex == DUPLEX_FULL)) { |
| 662 | RTL_W32(TBICSR, reg & ~(TBINwEnable | TBINwRestart)); |
| 663 | } else if (autoneg == AUTONEG_ENABLE) |
| 664 | RTL_W32(TBICSR, reg | TBINwEnable | TBINwRestart); |
| 665 | else { |
Stephen Hemminger | b57b7e5 | 2005-05-27 21:11:52 +0200 | [diff] [blame] | 666 | if (netif_msg_link(tp)) { |
| 667 | printk(KERN_WARNING "%s: " |
| 668 | "incorrect speed setting refused in TBI mode\n", |
| 669 | dev->name); |
| 670 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 671 | ret = -EOPNOTSUPP; |
| 672 | } |
| 673 | |
| 674 | return ret; |
| 675 | } |
| 676 | |
| 677 | static int rtl8169_set_speed_xmii(struct net_device *dev, |
| 678 | u8 autoneg, u16 speed, u8 duplex) |
| 679 | { |
| 680 | struct rtl8169_private *tp = netdev_priv(dev); |
| 681 | void __iomem *ioaddr = tp->mmio_addr; |
| 682 | int auto_nego, giga_ctrl; |
| 683 | |
Francois Romieu | 64e4bfb | 2006-08-17 12:43:06 +0200 | [diff] [blame] | 684 | auto_nego = mdio_read(ioaddr, MII_ADVERTISE); |
| 685 | auto_nego &= ~(ADVERTISE_10HALF | ADVERTISE_10FULL | |
| 686 | ADVERTISE_100HALF | ADVERTISE_100FULL); |
| 687 | giga_ctrl = mdio_read(ioaddr, MII_CTRL1000); |
| 688 | giga_ctrl &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 689 | |
| 690 | if (autoneg == AUTONEG_ENABLE) { |
Francois Romieu | 64e4bfb | 2006-08-17 12:43:06 +0200 | [diff] [blame] | 691 | auto_nego |= (ADVERTISE_10HALF | ADVERTISE_10FULL | |
| 692 | ADVERTISE_100HALF | ADVERTISE_100FULL); |
| 693 | giga_ctrl |= ADVERTISE_1000FULL | ADVERTISE_1000HALF; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 694 | } else { |
| 695 | if (speed == SPEED_10) |
Francois Romieu | 64e4bfb | 2006-08-17 12:43:06 +0200 | [diff] [blame] | 696 | auto_nego |= ADVERTISE_10HALF | ADVERTISE_10FULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 697 | else if (speed == SPEED_100) |
Francois Romieu | 64e4bfb | 2006-08-17 12:43:06 +0200 | [diff] [blame] | 698 | auto_nego |= ADVERTISE_100HALF | ADVERTISE_100FULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 699 | else if (speed == SPEED_1000) |
Francois Romieu | 64e4bfb | 2006-08-17 12:43:06 +0200 | [diff] [blame] | 700 | giga_ctrl |= ADVERTISE_1000FULL | ADVERTISE_1000HALF; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 701 | |
| 702 | if (duplex == DUPLEX_HALF) |
Francois Romieu | 64e4bfb | 2006-08-17 12:43:06 +0200 | [diff] [blame] | 703 | auto_nego &= ~(ADVERTISE_10FULL | ADVERTISE_100FULL); |
Andy Gospodarek | 726ecdc | 2006-01-31 19:16:52 +0100 | [diff] [blame] | 704 | |
| 705 | if (duplex == DUPLEX_FULL) |
Francois Romieu | 64e4bfb | 2006-08-17 12:43:06 +0200 | [diff] [blame] | 706 | auto_nego &= ~(ADVERTISE_10HALF | ADVERTISE_100HALF); |
Francois Romieu | bcf0bf9 | 2006-07-26 23:14:13 +0200 | [diff] [blame] | 707 | |
| 708 | /* This tweak comes straight from Realtek's driver. */ |
| 709 | if ((speed == SPEED_100) && (duplex == DUPLEX_HALF) && |
| 710 | (tp->mac_version == RTL_GIGA_MAC_VER_13)) { |
Francois Romieu | 64e4bfb | 2006-08-17 12:43:06 +0200 | [diff] [blame] | 711 | auto_nego = ADVERTISE_100HALF | ADVERTISE_CSMA; |
Francois Romieu | bcf0bf9 | 2006-07-26 23:14:13 +0200 | [diff] [blame] | 712 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 713 | } |
| 714 | |
Francois Romieu | bcf0bf9 | 2006-07-26 23:14:13 +0200 | [diff] [blame] | 715 | /* The 8100e/8101e do Fast Ethernet only. */ |
| 716 | if ((tp->mac_version == RTL_GIGA_MAC_VER_13) || |
| 717 | (tp->mac_version == RTL_GIGA_MAC_VER_14) || |
| 718 | (tp->mac_version == RTL_GIGA_MAC_VER_15)) { |
Francois Romieu | 64e4bfb | 2006-08-17 12:43:06 +0200 | [diff] [blame] | 719 | if ((giga_ctrl & (ADVERTISE_1000FULL | ADVERTISE_1000HALF)) && |
Francois Romieu | bcf0bf9 | 2006-07-26 23:14:13 +0200 | [diff] [blame] | 720 | netif_msg_link(tp)) { |
| 721 | printk(KERN_INFO "%s: PHY does not support 1000Mbps.\n", |
| 722 | dev->name); |
| 723 | } |
Francois Romieu | 64e4bfb | 2006-08-17 12:43:06 +0200 | [diff] [blame] | 724 | giga_ctrl &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 725 | } |
| 726 | |
Francois Romieu | 623a159 | 2006-05-14 12:42:14 +0200 | [diff] [blame] | 727 | auto_nego |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM; |
| 728 | |
Roger So | 2584fbc | 2007-07-31 23:52:42 +0200 | [diff] [blame] | 729 | if (tp->mac_version == RTL_GIGA_MAC_VER_12) { |
| 730 | /* Vendor specific (0x1f) and reserved (0x0e) MII registers. */ |
| 731 | mdio_write(ioaddr, 0x1f, 0x0000); |
| 732 | mdio_write(ioaddr, 0x0e, 0x0000); |
| 733 | } |
| 734 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 735 | tp->phy_auto_nego_reg = auto_nego; |
| 736 | tp->phy_1000_ctrl_reg = giga_ctrl; |
| 737 | |
Francois Romieu | 64e4bfb | 2006-08-17 12:43:06 +0200 | [diff] [blame] | 738 | mdio_write(ioaddr, MII_ADVERTISE, auto_nego); |
| 739 | mdio_write(ioaddr, MII_CTRL1000, giga_ctrl); |
| 740 | mdio_write(ioaddr, MII_BMCR, BMCR_ANENABLE | BMCR_ANRESTART); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 741 | return 0; |
| 742 | } |
| 743 | |
| 744 | static int rtl8169_set_speed(struct net_device *dev, |
| 745 | u8 autoneg, u16 speed, u8 duplex) |
| 746 | { |
| 747 | struct rtl8169_private *tp = netdev_priv(dev); |
| 748 | int ret; |
| 749 | |
| 750 | ret = tp->set_speed(dev, autoneg, speed, duplex); |
| 751 | |
Francois Romieu | 64e4bfb | 2006-08-17 12:43:06 +0200 | [diff] [blame] | 752 | if (netif_running(dev) && (tp->phy_1000_ctrl_reg & ADVERTISE_1000FULL)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 753 | mod_timer(&tp->timer, jiffies + RTL8169_PHY_TIMEOUT); |
| 754 | |
| 755 | return ret; |
| 756 | } |
| 757 | |
| 758 | static int rtl8169_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) |
| 759 | { |
| 760 | struct rtl8169_private *tp = netdev_priv(dev); |
| 761 | unsigned long flags; |
| 762 | int ret; |
| 763 | |
| 764 | spin_lock_irqsave(&tp->lock, flags); |
| 765 | ret = rtl8169_set_speed(dev, cmd->autoneg, cmd->speed, cmd->duplex); |
| 766 | spin_unlock_irqrestore(&tp->lock, flags); |
Francois Romieu | 5b0384f | 2006-08-16 16:00:01 +0200 | [diff] [blame] | 767 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 768 | return ret; |
| 769 | } |
| 770 | |
| 771 | static u32 rtl8169_get_rx_csum(struct net_device *dev) |
| 772 | { |
| 773 | struct rtl8169_private *tp = netdev_priv(dev); |
| 774 | |
| 775 | return tp->cp_cmd & RxChkSum; |
| 776 | } |
| 777 | |
| 778 | static int rtl8169_set_rx_csum(struct net_device *dev, u32 data) |
| 779 | { |
| 780 | struct rtl8169_private *tp = netdev_priv(dev); |
| 781 | void __iomem *ioaddr = tp->mmio_addr; |
| 782 | unsigned long flags; |
| 783 | |
| 784 | spin_lock_irqsave(&tp->lock, flags); |
| 785 | |
| 786 | if (data) |
| 787 | tp->cp_cmd |= RxChkSum; |
| 788 | else |
| 789 | tp->cp_cmd &= ~RxChkSum; |
| 790 | |
| 791 | RTL_W16(CPlusCmd, tp->cp_cmd); |
| 792 | RTL_R16(CPlusCmd); |
| 793 | |
| 794 | spin_unlock_irqrestore(&tp->lock, flags); |
| 795 | |
| 796 | return 0; |
| 797 | } |
| 798 | |
| 799 | #ifdef CONFIG_R8169_VLAN |
| 800 | |
| 801 | static inline u32 rtl8169_tx_vlan_tag(struct rtl8169_private *tp, |
| 802 | struct sk_buff *skb) |
| 803 | { |
| 804 | return (tp->vlgrp && vlan_tx_tag_present(skb)) ? |
| 805 | TxVlanTag | swab16(vlan_tx_tag_get(skb)) : 0x00; |
| 806 | } |
| 807 | |
| 808 | static void rtl8169_vlan_rx_register(struct net_device *dev, |
| 809 | struct vlan_group *grp) |
| 810 | { |
| 811 | struct rtl8169_private *tp = netdev_priv(dev); |
| 812 | void __iomem *ioaddr = tp->mmio_addr; |
| 813 | unsigned long flags; |
| 814 | |
| 815 | spin_lock_irqsave(&tp->lock, flags); |
| 816 | tp->vlgrp = grp; |
| 817 | if (tp->vlgrp) |
| 818 | tp->cp_cmd |= RxVlan; |
| 819 | else |
| 820 | tp->cp_cmd &= ~RxVlan; |
| 821 | RTL_W16(CPlusCmd, tp->cp_cmd); |
| 822 | RTL_R16(CPlusCmd); |
| 823 | spin_unlock_irqrestore(&tp->lock, flags); |
| 824 | } |
| 825 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 826 | static int rtl8169_rx_vlan_skb(struct rtl8169_private *tp, struct RxDesc *desc, |
| 827 | struct sk_buff *skb) |
| 828 | { |
| 829 | u32 opts2 = le32_to_cpu(desc->opts2); |
| 830 | int ret; |
| 831 | |
| 832 | if (tp->vlgrp && (opts2 & RxVlanTag)) { |
Francois Romieu | 07d3f51 | 2007-02-21 22:40:46 +0100 | [diff] [blame] | 833 | rtl8169_rx_hwaccel_skb(skb, tp->vlgrp, swab16(opts2 & 0xffff)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 834 | ret = 0; |
| 835 | } else |
| 836 | ret = -1; |
| 837 | desc->opts2 = 0; |
| 838 | return ret; |
| 839 | } |
| 840 | |
| 841 | #else /* !CONFIG_R8169_VLAN */ |
| 842 | |
| 843 | static inline u32 rtl8169_tx_vlan_tag(struct rtl8169_private *tp, |
| 844 | struct sk_buff *skb) |
| 845 | { |
| 846 | return 0; |
| 847 | } |
| 848 | |
| 849 | static int rtl8169_rx_vlan_skb(struct rtl8169_private *tp, struct RxDesc *desc, |
| 850 | struct sk_buff *skb) |
| 851 | { |
| 852 | return -1; |
| 853 | } |
| 854 | |
| 855 | #endif |
| 856 | |
| 857 | static void rtl8169_gset_tbi(struct net_device *dev, struct ethtool_cmd *cmd) |
| 858 | { |
| 859 | struct rtl8169_private *tp = netdev_priv(dev); |
| 860 | void __iomem *ioaddr = tp->mmio_addr; |
| 861 | u32 status; |
| 862 | |
| 863 | cmd->supported = |
| 864 | SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg | SUPPORTED_FIBRE; |
| 865 | cmd->port = PORT_FIBRE; |
| 866 | cmd->transceiver = XCVR_INTERNAL; |
| 867 | |
| 868 | status = RTL_R32(TBICSR); |
| 869 | cmd->advertising = (status & TBINwEnable) ? ADVERTISED_Autoneg : 0; |
| 870 | cmd->autoneg = !!(status & TBINwEnable); |
| 871 | |
| 872 | cmd->speed = SPEED_1000; |
| 873 | cmd->duplex = DUPLEX_FULL; /* Always set */ |
| 874 | } |
| 875 | |
| 876 | static void rtl8169_gset_xmii(struct net_device *dev, struct ethtool_cmd *cmd) |
| 877 | { |
| 878 | struct rtl8169_private *tp = netdev_priv(dev); |
| 879 | void __iomem *ioaddr = tp->mmio_addr; |
| 880 | u8 status; |
| 881 | |
| 882 | cmd->supported = SUPPORTED_10baseT_Half | |
| 883 | SUPPORTED_10baseT_Full | |
| 884 | SUPPORTED_100baseT_Half | |
| 885 | SUPPORTED_100baseT_Full | |
| 886 | SUPPORTED_1000baseT_Full | |
| 887 | SUPPORTED_Autoneg | |
Francois Romieu | 5b0384f | 2006-08-16 16:00:01 +0200 | [diff] [blame] | 888 | SUPPORTED_TP; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 889 | |
| 890 | cmd->autoneg = 1; |
| 891 | cmd->advertising = ADVERTISED_TP | ADVERTISED_Autoneg; |
| 892 | |
Francois Romieu | 64e4bfb | 2006-08-17 12:43:06 +0200 | [diff] [blame] | 893 | if (tp->phy_auto_nego_reg & ADVERTISE_10HALF) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 894 | cmd->advertising |= ADVERTISED_10baseT_Half; |
Francois Romieu | 64e4bfb | 2006-08-17 12:43:06 +0200 | [diff] [blame] | 895 | if (tp->phy_auto_nego_reg & ADVERTISE_10FULL) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 896 | cmd->advertising |= ADVERTISED_10baseT_Full; |
Francois Romieu | 64e4bfb | 2006-08-17 12:43:06 +0200 | [diff] [blame] | 897 | if (tp->phy_auto_nego_reg & ADVERTISE_100HALF) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 898 | cmd->advertising |= ADVERTISED_100baseT_Half; |
Francois Romieu | 64e4bfb | 2006-08-17 12:43:06 +0200 | [diff] [blame] | 899 | if (tp->phy_auto_nego_reg & ADVERTISE_100FULL) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 900 | cmd->advertising |= ADVERTISED_100baseT_Full; |
Francois Romieu | 64e4bfb | 2006-08-17 12:43:06 +0200 | [diff] [blame] | 901 | if (tp->phy_1000_ctrl_reg & ADVERTISE_1000FULL) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 902 | cmd->advertising |= ADVERTISED_1000baseT_Full; |
| 903 | |
| 904 | status = RTL_R8(PHYstatus); |
| 905 | |
| 906 | if (status & _1000bpsF) |
| 907 | cmd->speed = SPEED_1000; |
| 908 | else if (status & _100bps) |
| 909 | cmd->speed = SPEED_100; |
| 910 | else if (status & _10bps) |
| 911 | cmd->speed = SPEED_10; |
| 912 | |
Francois Romieu | 623a159 | 2006-05-14 12:42:14 +0200 | [diff] [blame] | 913 | if (status & TxFlowCtrl) |
| 914 | cmd->advertising |= ADVERTISED_Asym_Pause; |
| 915 | if (status & RxFlowCtrl) |
| 916 | cmd->advertising |= ADVERTISED_Pause; |
| 917 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 918 | cmd->duplex = ((status & _1000bpsF) || (status & FullDup)) ? |
| 919 | DUPLEX_FULL : DUPLEX_HALF; |
| 920 | } |
| 921 | |
| 922 | static int rtl8169_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) |
| 923 | { |
| 924 | struct rtl8169_private *tp = netdev_priv(dev); |
| 925 | unsigned long flags; |
| 926 | |
| 927 | spin_lock_irqsave(&tp->lock, flags); |
| 928 | |
| 929 | tp->get_settings(dev, cmd); |
| 930 | |
| 931 | spin_unlock_irqrestore(&tp->lock, flags); |
| 932 | return 0; |
| 933 | } |
| 934 | |
| 935 | static void rtl8169_get_regs(struct net_device *dev, struct ethtool_regs *regs, |
| 936 | void *p) |
| 937 | { |
Francois Romieu | 5b0384f | 2006-08-16 16:00:01 +0200 | [diff] [blame] | 938 | struct rtl8169_private *tp = netdev_priv(dev); |
| 939 | unsigned long flags; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 940 | |
Francois Romieu | 5b0384f | 2006-08-16 16:00:01 +0200 | [diff] [blame] | 941 | if (regs->len > R8169_REGS_SIZE) |
| 942 | regs->len = R8169_REGS_SIZE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 943 | |
Francois Romieu | 5b0384f | 2006-08-16 16:00:01 +0200 | [diff] [blame] | 944 | spin_lock_irqsave(&tp->lock, flags); |
| 945 | memcpy_fromio(p, tp->mmio_addr, regs->len); |
| 946 | spin_unlock_irqrestore(&tp->lock, flags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 947 | } |
| 948 | |
Stephen Hemminger | b57b7e5 | 2005-05-27 21:11:52 +0200 | [diff] [blame] | 949 | static u32 rtl8169_get_msglevel(struct net_device *dev) |
| 950 | { |
| 951 | struct rtl8169_private *tp = netdev_priv(dev); |
| 952 | |
| 953 | return tp->msg_enable; |
| 954 | } |
| 955 | |
| 956 | static void rtl8169_set_msglevel(struct net_device *dev, u32 value) |
| 957 | { |
| 958 | struct rtl8169_private *tp = netdev_priv(dev); |
| 959 | |
| 960 | tp->msg_enable = value; |
| 961 | } |
| 962 | |
Stephen Hemminger | d4a3a0f | 2005-05-27 21:11:56 +0200 | [diff] [blame] | 963 | static const char rtl8169_gstrings[][ETH_GSTRING_LEN] = { |
| 964 | "tx_packets", |
| 965 | "rx_packets", |
| 966 | "tx_errors", |
| 967 | "rx_errors", |
| 968 | "rx_missed", |
| 969 | "align_errors", |
| 970 | "tx_single_collisions", |
| 971 | "tx_multi_collisions", |
| 972 | "unicast", |
| 973 | "broadcast", |
| 974 | "multicast", |
| 975 | "tx_aborted", |
| 976 | "tx_underrun", |
| 977 | }; |
| 978 | |
| 979 | struct rtl8169_counters { |
Al Viro | b1eab70 | 2007-08-23 02:30:16 -0400 | [diff] [blame] | 980 | __le64 tx_packets; |
| 981 | __le64 rx_packets; |
| 982 | __le64 tx_errors; |
| 983 | __le32 rx_errors; |
| 984 | __le16 rx_missed; |
| 985 | __le16 align_errors; |
| 986 | __le32 tx_one_collision; |
| 987 | __le32 tx_multi_collision; |
| 988 | __le64 rx_unicast; |
| 989 | __le64 rx_broadcast; |
| 990 | __le32 rx_multicast; |
| 991 | __le16 tx_aborted; |
| 992 | __le16 tx_underun; |
Stephen Hemminger | d4a3a0f | 2005-05-27 21:11:56 +0200 | [diff] [blame] | 993 | }; |
| 994 | |
Jeff Garzik | b9f2c04 | 2007-10-03 18:07:32 -0700 | [diff] [blame] | 995 | static int rtl8169_get_sset_count(struct net_device *dev, int sset) |
Stephen Hemminger | d4a3a0f | 2005-05-27 21:11:56 +0200 | [diff] [blame] | 996 | { |
Jeff Garzik | b9f2c04 | 2007-10-03 18:07:32 -0700 | [diff] [blame] | 997 | switch (sset) { |
| 998 | case ETH_SS_STATS: |
| 999 | return ARRAY_SIZE(rtl8169_gstrings); |
| 1000 | default: |
| 1001 | return -EOPNOTSUPP; |
| 1002 | } |
Stephen Hemminger | d4a3a0f | 2005-05-27 21:11:56 +0200 | [diff] [blame] | 1003 | } |
| 1004 | |
| 1005 | static void rtl8169_get_ethtool_stats(struct net_device *dev, |
| 1006 | struct ethtool_stats *stats, u64 *data) |
| 1007 | { |
| 1008 | struct rtl8169_private *tp = netdev_priv(dev); |
| 1009 | void __iomem *ioaddr = tp->mmio_addr; |
| 1010 | struct rtl8169_counters *counters; |
| 1011 | dma_addr_t paddr; |
| 1012 | u32 cmd; |
| 1013 | |
| 1014 | ASSERT_RTNL(); |
| 1015 | |
| 1016 | counters = pci_alloc_consistent(tp->pci_dev, sizeof(*counters), &paddr); |
| 1017 | if (!counters) |
| 1018 | return; |
| 1019 | |
| 1020 | RTL_W32(CounterAddrHigh, (u64)paddr >> 32); |
| 1021 | cmd = (u64)paddr & DMA_32BIT_MASK; |
| 1022 | RTL_W32(CounterAddrLow, cmd); |
| 1023 | RTL_W32(CounterAddrLow, cmd | CounterDump); |
| 1024 | |
| 1025 | while (RTL_R32(CounterAddrLow) & CounterDump) { |
| 1026 | if (msleep_interruptible(1)) |
| 1027 | break; |
| 1028 | } |
| 1029 | |
| 1030 | RTL_W32(CounterAddrLow, 0); |
| 1031 | RTL_W32(CounterAddrHigh, 0); |
| 1032 | |
Francois Romieu | 5b0384f | 2006-08-16 16:00:01 +0200 | [diff] [blame] | 1033 | data[0] = le64_to_cpu(counters->tx_packets); |
Stephen Hemminger | d4a3a0f | 2005-05-27 21:11:56 +0200 | [diff] [blame] | 1034 | data[1] = le64_to_cpu(counters->rx_packets); |
| 1035 | data[2] = le64_to_cpu(counters->tx_errors); |
| 1036 | data[3] = le32_to_cpu(counters->rx_errors); |
| 1037 | data[4] = le16_to_cpu(counters->rx_missed); |
| 1038 | data[5] = le16_to_cpu(counters->align_errors); |
| 1039 | data[6] = le32_to_cpu(counters->tx_one_collision); |
| 1040 | data[7] = le32_to_cpu(counters->tx_multi_collision); |
| 1041 | data[8] = le64_to_cpu(counters->rx_unicast); |
| 1042 | data[9] = le64_to_cpu(counters->rx_broadcast); |
| 1043 | data[10] = le32_to_cpu(counters->rx_multicast); |
| 1044 | data[11] = le16_to_cpu(counters->tx_aborted); |
| 1045 | data[12] = le16_to_cpu(counters->tx_underun); |
| 1046 | |
| 1047 | pci_free_consistent(tp->pci_dev, sizeof(*counters), counters, paddr); |
| 1048 | } |
| 1049 | |
| 1050 | static void rtl8169_get_strings(struct net_device *dev, u32 stringset, u8 *data) |
| 1051 | { |
| 1052 | switch(stringset) { |
| 1053 | case ETH_SS_STATS: |
| 1054 | memcpy(data, *rtl8169_gstrings, sizeof(rtl8169_gstrings)); |
| 1055 | break; |
| 1056 | } |
| 1057 | } |
| 1058 | |
Jeff Garzik | 7282d49 | 2006-09-13 14:30:00 -0400 | [diff] [blame] | 1059 | static const struct ethtool_ops rtl8169_ethtool_ops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1060 | .get_drvinfo = rtl8169_get_drvinfo, |
| 1061 | .get_regs_len = rtl8169_get_regs_len, |
| 1062 | .get_link = ethtool_op_get_link, |
| 1063 | .get_settings = rtl8169_get_settings, |
| 1064 | .set_settings = rtl8169_set_settings, |
Stephen Hemminger | b57b7e5 | 2005-05-27 21:11:52 +0200 | [diff] [blame] | 1065 | .get_msglevel = rtl8169_get_msglevel, |
| 1066 | .set_msglevel = rtl8169_set_msglevel, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1067 | .get_rx_csum = rtl8169_get_rx_csum, |
| 1068 | .set_rx_csum = rtl8169_set_rx_csum, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1069 | .set_tx_csum = ethtool_op_set_tx_csum, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1070 | .set_sg = ethtool_op_set_sg, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1071 | .set_tso = ethtool_op_set_tso, |
| 1072 | .get_regs = rtl8169_get_regs, |
Francois Romieu | 61a4dcc | 2006-02-23 00:55:25 +0100 | [diff] [blame] | 1073 | .get_wol = rtl8169_get_wol, |
| 1074 | .set_wol = rtl8169_set_wol, |
Stephen Hemminger | d4a3a0f | 2005-05-27 21:11:56 +0200 | [diff] [blame] | 1075 | .get_strings = rtl8169_get_strings, |
Jeff Garzik | b9f2c04 | 2007-10-03 18:07:32 -0700 | [diff] [blame] | 1076 | .get_sset_count = rtl8169_get_sset_count, |
Stephen Hemminger | d4a3a0f | 2005-05-27 21:11:56 +0200 | [diff] [blame] | 1077 | .get_ethtool_stats = rtl8169_get_ethtool_stats, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1078 | }; |
| 1079 | |
Francois Romieu | 07d3f51 | 2007-02-21 22:40:46 +0100 | [diff] [blame] | 1080 | static void rtl8169_write_gmii_reg_bit(void __iomem *ioaddr, int reg, |
| 1081 | int bitnum, int bitval) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1082 | { |
| 1083 | int val; |
| 1084 | |
| 1085 | val = mdio_read(ioaddr, reg); |
| 1086 | val = (bitval == 1) ? |
| 1087 | val | (bitval << bitnum) : val & ~(0x0001 << bitnum); |
Francois Romieu | 5b0384f | 2006-08-16 16:00:01 +0200 | [diff] [blame] | 1088 | mdio_write(ioaddr, reg, val & 0xffff); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1089 | } |
| 1090 | |
Francois Romieu | 07d3f51 | 2007-02-21 22:40:46 +0100 | [diff] [blame] | 1091 | static void rtl8169_get_mac_version(struct rtl8169_private *tp, |
| 1092 | void __iomem *ioaddr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1093 | { |
Francois Romieu | 0e48515 | 2007-02-20 00:00:26 +0100 | [diff] [blame] | 1094 | /* |
| 1095 | * The driver currently handles the 8168Bf and the 8168Be identically |
| 1096 | * but they can be identified more specifically through the test below |
| 1097 | * if needed: |
| 1098 | * |
| 1099 | * (RTL_R32(TxConfig) & 0x700000) == 0x500000 ? 8168Bf : 8168Be |
Francois Romieu | 0127215 | 2007-02-20 22:58:51 +0100 | [diff] [blame] | 1100 | * |
| 1101 | * Same thing for the 8101Eb and the 8101Ec: |
| 1102 | * |
| 1103 | * (RTL_R32(TxConfig) & 0x700000) == 0x200000 ? 8101Eb : 8101Ec |
Francois Romieu | 0e48515 | 2007-02-20 00:00:26 +0100 | [diff] [blame] | 1104 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1105 | const struct { |
| 1106 | u32 mask; |
| 1107 | int mac_version; |
| 1108 | } mac_info[] = { |
Francois Romieu | bcf0bf9 | 2006-07-26 23:14:13 +0200 | [diff] [blame] | 1109 | { 0x38800000, RTL_GIGA_MAC_VER_15 }, |
| 1110 | { 0x38000000, RTL_GIGA_MAC_VER_12 }, |
| 1111 | { 0x34000000, RTL_GIGA_MAC_VER_13 }, |
| 1112 | { 0x30800000, RTL_GIGA_MAC_VER_14 }, |
Francois Romieu | 5b0384f | 2006-08-16 16:00:01 +0200 | [diff] [blame] | 1113 | { 0x30000000, RTL_GIGA_MAC_VER_11 }, |
Francois Romieu | 6dccd16 | 2007-02-13 23:38:05 +0100 | [diff] [blame] | 1114 | { 0x98000000, RTL_GIGA_MAC_VER_06 }, |
Francois Romieu | bcf0bf9 | 2006-07-26 23:14:13 +0200 | [diff] [blame] | 1115 | { 0x18000000, RTL_GIGA_MAC_VER_05 }, |
| 1116 | { 0x10000000, RTL_GIGA_MAC_VER_04 }, |
| 1117 | { 0x04000000, RTL_GIGA_MAC_VER_03 }, |
| 1118 | { 0x00800000, RTL_GIGA_MAC_VER_02 }, |
| 1119 | { 0x00000000, RTL_GIGA_MAC_VER_01 } /* Catch-all */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1120 | }, *p = mac_info; |
| 1121 | u32 reg; |
| 1122 | |
Francois Romieu | 6dccd16 | 2007-02-13 23:38:05 +0100 | [diff] [blame] | 1123 | reg = RTL_R32(TxConfig) & 0xfc800000; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1124 | while ((reg & p->mask) != p->mask) |
| 1125 | p++; |
| 1126 | tp->mac_version = p->mac_version; |
| 1127 | } |
| 1128 | |
| 1129 | static void rtl8169_print_mac_version(struct rtl8169_private *tp) |
| 1130 | { |
Francois Romieu | bcf0bf9 | 2006-07-26 23:14:13 +0200 | [diff] [blame] | 1131 | dprintk("mac_version = 0x%02x\n", tp->mac_version); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1132 | } |
| 1133 | |
Francois Romieu | 07d3f51 | 2007-02-21 22:40:46 +0100 | [diff] [blame] | 1134 | static void rtl8169_get_phy_version(struct rtl8169_private *tp, |
| 1135 | void __iomem *ioaddr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1136 | { |
| 1137 | const struct { |
| 1138 | u16 mask; |
| 1139 | u16 set; |
| 1140 | int phy_version; |
| 1141 | } phy_info[] = { |
| 1142 | { 0x000f, 0x0002, RTL_GIGA_PHY_VER_G }, |
| 1143 | { 0x000f, 0x0001, RTL_GIGA_PHY_VER_F }, |
| 1144 | { 0x000f, 0x0000, RTL_GIGA_PHY_VER_E }, |
| 1145 | { 0x0000, 0x0000, RTL_GIGA_PHY_VER_D } /* Catch-all */ |
| 1146 | }, *p = phy_info; |
| 1147 | u16 reg; |
| 1148 | |
Francois Romieu | 64e4bfb | 2006-08-17 12:43:06 +0200 | [diff] [blame] | 1149 | reg = mdio_read(ioaddr, MII_PHYSID2) & 0xffff; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1150 | while ((reg & p->mask) != p->set) |
| 1151 | p++; |
| 1152 | tp->phy_version = p->phy_version; |
| 1153 | } |
| 1154 | |
| 1155 | static void rtl8169_print_phy_version(struct rtl8169_private *tp) |
| 1156 | { |
| 1157 | struct { |
| 1158 | int version; |
| 1159 | char *msg; |
| 1160 | u32 reg; |
| 1161 | } phy_print[] = { |
| 1162 | { RTL_GIGA_PHY_VER_G, "RTL_GIGA_PHY_VER_G", 0x0002 }, |
| 1163 | { RTL_GIGA_PHY_VER_F, "RTL_GIGA_PHY_VER_F", 0x0001 }, |
| 1164 | { RTL_GIGA_PHY_VER_E, "RTL_GIGA_PHY_VER_E", 0x0000 }, |
| 1165 | { RTL_GIGA_PHY_VER_D, "RTL_GIGA_PHY_VER_D", 0x0000 }, |
| 1166 | { 0, NULL, 0x0000 } |
| 1167 | }, *p; |
| 1168 | |
| 1169 | for (p = phy_print; p->msg; p++) { |
| 1170 | if (tp->phy_version == p->version) { |
| 1171 | dprintk("phy_version == %s (%04x)\n", p->msg, p->reg); |
| 1172 | return; |
| 1173 | } |
| 1174 | } |
| 1175 | dprintk("phy_version == Unknown\n"); |
| 1176 | } |
| 1177 | |
| 1178 | static void rtl8169_hw_phy_config(struct net_device *dev) |
| 1179 | { |
| 1180 | struct rtl8169_private *tp = netdev_priv(dev); |
| 1181 | void __iomem *ioaddr = tp->mmio_addr; |
| 1182 | struct { |
| 1183 | u16 regs[5]; /* Beware of bit-sign propagation */ |
| 1184 | } phy_magic[5] = { { |
| 1185 | { 0x0000, //w 4 15 12 0 |
| 1186 | 0x00a1, //w 3 15 0 00a1 |
| 1187 | 0x0008, //w 2 15 0 0008 |
| 1188 | 0x1020, //w 1 15 0 1020 |
| 1189 | 0x1000 } },{ //w 0 15 0 1000 |
| 1190 | { 0x7000, //w 4 15 12 7 |
| 1191 | 0xff41, //w 3 15 0 ff41 |
| 1192 | 0xde60, //w 2 15 0 de60 |
| 1193 | 0x0140, //w 1 15 0 0140 |
| 1194 | 0x0077 } },{ //w 0 15 0 0077 |
| 1195 | { 0xa000, //w 4 15 12 a |
| 1196 | 0xdf01, //w 3 15 0 df01 |
| 1197 | 0xdf20, //w 2 15 0 df20 |
| 1198 | 0xff95, //w 1 15 0 ff95 |
| 1199 | 0xfa00 } },{ //w 0 15 0 fa00 |
| 1200 | { 0xb000, //w 4 15 12 b |
| 1201 | 0xff41, //w 3 15 0 ff41 |
| 1202 | 0xde20, //w 2 15 0 de20 |
| 1203 | 0x0140, //w 1 15 0 0140 |
| 1204 | 0x00bb } },{ //w 0 15 0 00bb |
| 1205 | { 0xf000, //w 4 15 12 f |
| 1206 | 0xdf01, //w 3 15 0 df01 |
| 1207 | 0xdf20, //w 2 15 0 df20 |
| 1208 | 0xff95, //w 1 15 0 ff95 |
| 1209 | 0xbf00 } //w 0 15 0 bf00 |
| 1210 | } |
| 1211 | }, *p = phy_magic; |
Francois Romieu | 07d3f51 | 2007-02-21 22:40:46 +0100 | [diff] [blame] | 1212 | unsigned int i; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1213 | |
| 1214 | rtl8169_print_mac_version(tp); |
| 1215 | rtl8169_print_phy_version(tp); |
| 1216 | |
Francois Romieu | bcf0bf9 | 2006-07-26 23:14:13 +0200 | [diff] [blame] | 1217 | if (tp->mac_version <= RTL_GIGA_MAC_VER_01) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1218 | return; |
| 1219 | if (tp->phy_version >= RTL_GIGA_PHY_VER_H) |
| 1220 | return; |
| 1221 | |
| 1222 | dprintk("MAC version != 0 && PHY version == 0 or 1\n"); |
| 1223 | dprintk("Do final_reg2.cfg\n"); |
| 1224 | |
| 1225 | /* Shazam ! */ |
| 1226 | |
Francois Romieu | bcf0bf9 | 2006-07-26 23:14:13 +0200 | [diff] [blame] | 1227 | if (tp->mac_version == RTL_GIGA_MAC_VER_04) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1228 | mdio_write(ioaddr, 31, 0x0002); |
| 1229 | mdio_write(ioaddr, 1, 0x90d0); |
| 1230 | mdio_write(ioaddr, 31, 0x0000); |
| 1231 | return; |
| 1232 | } |
| 1233 | |
Edward Hsu | 65d916d | 2007-08-17 10:14:36 +0200 | [diff] [blame] | 1234 | if ((tp->mac_version != RTL_GIGA_MAC_VER_02) && |
| 1235 | (tp->mac_version != RTL_GIGA_MAC_VER_03)) |
| 1236 | return; |
| 1237 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1238 | mdio_write(ioaddr, 31, 0x0001); //w 31 2 0 1 |
| 1239 | mdio_write(ioaddr, 21, 0x1000); //w 21 15 0 1000 |
| 1240 | mdio_write(ioaddr, 24, 0x65c7); //w 24 15 0 65c7 |
| 1241 | rtl8169_write_gmii_reg_bit(ioaddr, 4, 11, 0); //w 4 11 11 0 |
| 1242 | |
| 1243 | for (i = 0; i < ARRAY_SIZE(phy_magic); i++, p++) { |
| 1244 | int val, pos = 4; |
| 1245 | |
| 1246 | val = (mdio_read(ioaddr, pos) & 0x0fff) | (p->regs[0] & 0xffff); |
| 1247 | mdio_write(ioaddr, pos, val); |
| 1248 | while (--pos >= 0) |
| 1249 | mdio_write(ioaddr, pos, p->regs[4 - pos] & 0xffff); |
| 1250 | rtl8169_write_gmii_reg_bit(ioaddr, 4, 11, 1); //w 4 11 11 1 |
| 1251 | rtl8169_write_gmii_reg_bit(ioaddr, 4, 11, 0); //w 4 11 11 0 |
| 1252 | } |
| 1253 | mdio_write(ioaddr, 31, 0x0000); //w 31 2 0 0 |
| 1254 | } |
| 1255 | |
| 1256 | static void rtl8169_phy_timer(unsigned long __opaque) |
| 1257 | { |
| 1258 | struct net_device *dev = (struct net_device *)__opaque; |
| 1259 | struct rtl8169_private *tp = netdev_priv(dev); |
| 1260 | struct timer_list *timer = &tp->timer; |
| 1261 | void __iomem *ioaddr = tp->mmio_addr; |
| 1262 | unsigned long timeout = RTL8169_PHY_TIMEOUT; |
| 1263 | |
Francois Romieu | bcf0bf9 | 2006-07-26 23:14:13 +0200 | [diff] [blame] | 1264 | assert(tp->mac_version > RTL_GIGA_MAC_VER_01); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1265 | assert(tp->phy_version < RTL_GIGA_PHY_VER_H); |
| 1266 | |
Francois Romieu | 64e4bfb | 2006-08-17 12:43:06 +0200 | [diff] [blame] | 1267 | if (!(tp->phy_1000_ctrl_reg & ADVERTISE_1000FULL)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1268 | return; |
| 1269 | |
| 1270 | spin_lock_irq(&tp->lock); |
| 1271 | |
| 1272 | if (tp->phy_reset_pending(ioaddr)) { |
Francois Romieu | 5b0384f | 2006-08-16 16:00:01 +0200 | [diff] [blame] | 1273 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1274 | * A busy loop could burn quite a few cycles on nowadays CPU. |
| 1275 | * Let's delay the execution of the timer for a few ticks. |
| 1276 | */ |
| 1277 | timeout = HZ/10; |
| 1278 | goto out_mod_timer; |
| 1279 | } |
| 1280 | |
| 1281 | if (tp->link_ok(ioaddr)) |
| 1282 | goto out_unlock; |
| 1283 | |
Stephen Hemminger | b57b7e5 | 2005-05-27 21:11:52 +0200 | [diff] [blame] | 1284 | if (netif_msg_link(tp)) |
| 1285 | printk(KERN_WARNING "%s: PHY reset until link up\n", dev->name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1286 | |
| 1287 | tp->phy_reset_enable(ioaddr); |
| 1288 | |
| 1289 | out_mod_timer: |
| 1290 | mod_timer(timer, jiffies + timeout); |
| 1291 | out_unlock: |
| 1292 | spin_unlock_irq(&tp->lock); |
| 1293 | } |
| 1294 | |
| 1295 | static inline void rtl8169_delete_timer(struct net_device *dev) |
| 1296 | { |
| 1297 | struct rtl8169_private *tp = netdev_priv(dev); |
| 1298 | struct timer_list *timer = &tp->timer; |
| 1299 | |
Francois Romieu | bcf0bf9 | 2006-07-26 23:14:13 +0200 | [diff] [blame] | 1300 | if ((tp->mac_version <= RTL_GIGA_MAC_VER_01) || |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1301 | (tp->phy_version >= RTL_GIGA_PHY_VER_H)) |
| 1302 | return; |
| 1303 | |
| 1304 | del_timer_sync(timer); |
| 1305 | } |
| 1306 | |
| 1307 | static inline void rtl8169_request_timer(struct net_device *dev) |
| 1308 | { |
| 1309 | struct rtl8169_private *tp = netdev_priv(dev); |
| 1310 | struct timer_list *timer = &tp->timer; |
| 1311 | |
Francois Romieu | bcf0bf9 | 2006-07-26 23:14:13 +0200 | [diff] [blame] | 1312 | if ((tp->mac_version <= RTL_GIGA_MAC_VER_01) || |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1313 | (tp->phy_version >= RTL_GIGA_PHY_VER_H)) |
| 1314 | return; |
| 1315 | |
Francois Romieu | 2efa53f | 2007-03-09 00:00:05 +0100 | [diff] [blame] | 1316 | mod_timer(timer, jiffies + RTL8169_PHY_TIMEOUT); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1317 | } |
| 1318 | |
| 1319 | #ifdef CONFIG_NET_POLL_CONTROLLER |
| 1320 | /* |
| 1321 | * Polling 'interrupt' - used by things like netconsole to send skbs |
| 1322 | * without having to re-enable interrupts. It's not called while |
| 1323 | * the interrupt routine is executing. |
| 1324 | */ |
| 1325 | static void rtl8169_netpoll(struct net_device *dev) |
| 1326 | { |
| 1327 | struct rtl8169_private *tp = netdev_priv(dev); |
| 1328 | struct pci_dev *pdev = tp->pci_dev; |
| 1329 | |
| 1330 | disable_irq(pdev->irq); |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 1331 | rtl8169_interrupt(pdev->irq, dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1332 | enable_irq(pdev->irq); |
| 1333 | } |
| 1334 | #endif |
| 1335 | |
| 1336 | static void rtl8169_release_board(struct pci_dev *pdev, struct net_device *dev, |
| 1337 | void __iomem *ioaddr) |
| 1338 | { |
| 1339 | iounmap(ioaddr); |
| 1340 | pci_release_regions(pdev); |
| 1341 | pci_disable_device(pdev); |
| 1342 | free_netdev(dev); |
| 1343 | } |
| 1344 | |
Francois Romieu | bf79329 | 2006-11-01 00:53:05 +0100 | [diff] [blame] | 1345 | static void rtl8169_phy_reset(struct net_device *dev, |
| 1346 | struct rtl8169_private *tp) |
| 1347 | { |
| 1348 | void __iomem *ioaddr = tp->mmio_addr; |
Francois Romieu | 07d3f51 | 2007-02-21 22:40:46 +0100 | [diff] [blame] | 1349 | unsigned int i; |
Francois Romieu | bf79329 | 2006-11-01 00:53:05 +0100 | [diff] [blame] | 1350 | |
| 1351 | tp->phy_reset_enable(ioaddr); |
| 1352 | for (i = 0; i < 100; i++) { |
| 1353 | if (!tp->phy_reset_pending(ioaddr)) |
| 1354 | return; |
| 1355 | msleep(1); |
| 1356 | } |
| 1357 | if (netif_msg_link(tp)) |
| 1358 | printk(KERN_ERR "%s: PHY reset failed.\n", dev->name); |
| 1359 | } |
| 1360 | |
Francois Romieu | 4ff96fa | 2006-07-26 22:05:06 +0200 | [diff] [blame] | 1361 | static void rtl8169_init_phy(struct net_device *dev, struct rtl8169_private *tp) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1362 | { |
Francois Romieu | 4ff96fa | 2006-07-26 22:05:06 +0200 | [diff] [blame] | 1363 | void __iomem *ioaddr = tp->mmio_addr; |
Francois Romieu | 4ff96fa | 2006-07-26 22:05:06 +0200 | [diff] [blame] | 1364 | |
| 1365 | rtl8169_hw_phy_config(dev); |
| 1366 | |
| 1367 | dprintk("Set MAC Reg C+CR Offset 0x82h = 0x01h\n"); |
| 1368 | RTL_W8(0x82, 0x01); |
| 1369 | |
Francois Romieu | 6dccd16 | 2007-02-13 23:38:05 +0100 | [diff] [blame] | 1370 | pci_write_config_byte(tp->pci_dev, PCI_LATENCY_TIMER, 0x40); |
| 1371 | |
| 1372 | if (tp->mac_version <= RTL_GIGA_MAC_VER_06) |
| 1373 | pci_write_config_byte(tp->pci_dev, PCI_CACHE_LINE_SIZE, 0x08); |
Francois Romieu | 4ff96fa | 2006-07-26 22:05:06 +0200 | [diff] [blame] | 1374 | |
Francois Romieu | bcf0bf9 | 2006-07-26 23:14:13 +0200 | [diff] [blame] | 1375 | if (tp->mac_version == RTL_GIGA_MAC_VER_02) { |
Francois Romieu | 4ff96fa | 2006-07-26 22:05:06 +0200 | [diff] [blame] | 1376 | dprintk("Set MAC Reg C+CR Offset 0x82h = 0x01h\n"); |
| 1377 | RTL_W8(0x82, 0x01); |
| 1378 | dprintk("Set PHY Reg 0x0bh = 0x00h\n"); |
| 1379 | mdio_write(ioaddr, 0x0b, 0x0000); //w 0x0b 15 0 0 |
| 1380 | } |
| 1381 | |
Francois Romieu | bf79329 | 2006-11-01 00:53:05 +0100 | [diff] [blame] | 1382 | rtl8169_phy_reset(dev, tp); |
| 1383 | |
Francois Romieu | 901dda2 | 2007-02-21 00:10:20 +0100 | [diff] [blame] | 1384 | /* |
| 1385 | * rtl8169_set_speed_xmii takes good care of the Fast Ethernet |
| 1386 | * only 8101. Don't panic. |
| 1387 | */ |
| 1388 | rtl8169_set_speed(dev, AUTONEG_ENABLE, SPEED_1000, DUPLEX_FULL); |
Francois Romieu | 4ff96fa | 2006-07-26 22:05:06 +0200 | [diff] [blame] | 1389 | |
| 1390 | if ((RTL_R8(PHYstatus) & TBI_Enable) && netif_msg_link(tp)) |
| 1391 | printk(KERN_INFO PFX "%s: TBI auto-negotiating\n", dev->name); |
| 1392 | } |
| 1393 | |
Francois Romieu | 773d202 | 2007-01-31 23:47:43 +0100 | [diff] [blame] | 1394 | static void rtl_rar_set(struct rtl8169_private *tp, u8 *addr) |
| 1395 | { |
| 1396 | void __iomem *ioaddr = tp->mmio_addr; |
| 1397 | u32 high; |
| 1398 | u32 low; |
| 1399 | |
| 1400 | low = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24); |
| 1401 | high = addr[4] | (addr[5] << 8); |
| 1402 | |
| 1403 | spin_lock_irq(&tp->lock); |
| 1404 | |
| 1405 | RTL_W8(Cfg9346, Cfg9346_Unlock); |
| 1406 | RTL_W32(MAC0, low); |
| 1407 | RTL_W32(MAC4, high); |
| 1408 | RTL_W8(Cfg9346, Cfg9346_Lock); |
| 1409 | |
| 1410 | spin_unlock_irq(&tp->lock); |
| 1411 | } |
| 1412 | |
| 1413 | static int rtl_set_mac_address(struct net_device *dev, void *p) |
| 1414 | { |
| 1415 | struct rtl8169_private *tp = netdev_priv(dev); |
| 1416 | struct sockaddr *addr = p; |
| 1417 | |
| 1418 | if (!is_valid_ether_addr(addr->sa_data)) |
| 1419 | return -EADDRNOTAVAIL; |
| 1420 | |
| 1421 | memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); |
| 1422 | |
| 1423 | rtl_rar_set(tp, dev->dev_addr); |
| 1424 | |
| 1425 | return 0; |
| 1426 | } |
| 1427 | |
Francois Romieu | 5f787a1 | 2006-08-17 13:02:36 +0200 | [diff] [blame] | 1428 | static int rtl8169_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) |
| 1429 | { |
| 1430 | struct rtl8169_private *tp = netdev_priv(dev); |
| 1431 | struct mii_ioctl_data *data = if_mii(ifr); |
| 1432 | |
| 1433 | if (!netif_running(dev)) |
| 1434 | return -ENODEV; |
| 1435 | |
| 1436 | switch (cmd) { |
| 1437 | case SIOCGMIIPHY: |
| 1438 | data->phy_id = 32; /* Internal PHY */ |
| 1439 | return 0; |
| 1440 | |
| 1441 | case SIOCGMIIREG: |
| 1442 | data->val_out = mdio_read(tp->mmio_addr, data->reg_num & 0x1f); |
| 1443 | return 0; |
| 1444 | |
| 1445 | case SIOCSMIIREG: |
| 1446 | if (!capable(CAP_NET_ADMIN)) |
| 1447 | return -EPERM; |
| 1448 | mdio_write(tp->mmio_addr, data->reg_num & 0x1f, data->val_in); |
| 1449 | return 0; |
| 1450 | } |
| 1451 | return -EOPNOTSUPP; |
| 1452 | } |
| 1453 | |
Francois Romieu | 0e48515 | 2007-02-20 00:00:26 +0100 | [diff] [blame] | 1454 | static const struct rtl_cfg_info { |
| 1455 | void (*hw_start)(struct net_device *); |
| 1456 | unsigned int region; |
| 1457 | unsigned int align; |
| 1458 | u16 intr_event; |
| 1459 | u16 napi_event; |
| 1460 | } rtl_cfg_infos [] = { |
| 1461 | [RTL_CFG_0] = { |
| 1462 | .hw_start = rtl_hw_start_8169, |
| 1463 | .region = 1, |
Francois Romieu | e9f63f3 | 2007-02-28 23:16:57 +0100 | [diff] [blame] | 1464 | .align = 0, |
Francois Romieu | 0e48515 | 2007-02-20 00:00:26 +0100 | [diff] [blame] | 1465 | .intr_event = SYSErr | LinkChg | RxOverflow | |
| 1466 | RxFIFOOver | TxErr | TxOK | RxOK | RxErr, |
| 1467 | .napi_event = RxFIFOOver | TxErr | TxOK | RxOK | RxOverflow |
| 1468 | }, |
| 1469 | [RTL_CFG_1] = { |
| 1470 | .hw_start = rtl_hw_start_8168, |
| 1471 | .region = 2, |
| 1472 | .align = 8, |
| 1473 | .intr_event = SYSErr | LinkChg | RxOverflow | |
| 1474 | TxErr | TxOK | RxOK | RxErr, |
| 1475 | .napi_event = TxErr | TxOK | RxOK | RxOverflow |
| 1476 | }, |
| 1477 | [RTL_CFG_2] = { |
| 1478 | .hw_start = rtl_hw_start_8101, |
| 1479 | .region = 2, |
| 1480 | .align = 8, |
| 1481 | .intr_event = SYSErr | LinkChg | RxOverflow | PCSTimeout | |
| 1482 | RxFIFOOver | TxErr | TxOK | RxOK | RxErr, |
| 1483 | .napi_event = RxFIFOOver | TxErr | TxOK | RxOK | RxOverflow |
| 1484 | } |
| 1485 | }; |
| 1486 | |
Francois Romieu | 4ff96fa | 2006-07-26 22:05:06 +0200 | [diff] [blame] | 1487 | static int __devinit |
| 1488 | rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) |
| 1489 | { |
Francois Romieu | 0e48515 | 2007-02-20 00:00:26 +0100 | [diff] [blame] | 1490 | const struct rtl_cfg_info *cfg = rtl_cfg_infos + ent->driver_data; |
| 1491 | const unsigned int region = cfg->region; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1492 | struct rtl8169_private *tp; |
Francois Romieu | 4ff96fa | 2006-07-26 22:05:06 +0200 | [diff] [blame] | 1493 | struct net_device *dev; |
| 1494 | void __iomem *ioaddr; |
Francois Romieu | 07d3f51 | 2007-02-21 22:40:46 +0100 | [diff] [blame] | 1495 | unsigned int i; |
| 1496 | int rc; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1497 | |
Francois Romieu | 4ff96fa | 2006-07-26 22:05:06 +0200 | [diff] [blame] | 1498 | if (netif_msg_drv(&debug)) { |
| 1499 | printk(KERN_INFO "%s Gigabit Ethernet driver %s loaded\n", |
| 1500 | MODULENAME, RTL8169_VERSION); |
| 1501 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1502 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1503 | dev = alloc_etherdev(sizeof (*tp)); |
Francois Romieu | 4ff96fa | 2006-07-26 22:05:06 +0200 | [diff] [blame] | 1504 | if (!dev) { |
Stephen Hemminger | b57b7e5 | 2005-05-27 21:11:52 +0200 | [diff] [blame] | 1505 | if (netif_msg_drv(&debug)) |
Jeff Garzik | 9b91cf9 | 2006-06-27 11:39:50 -0400 | [diff] [blame] | 1506 | dev_err(&pdev->dev, "unable to alloc new ethernet\n"); |
Francois Romieu | 4ff96fa | 2006-07-26 22:05:06 +0200 | [diff] [blame] | 1507 | rc = -ENOMEM; |
| 1508 | goto out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1509 | } |
| 1510 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1511 | SET_NETDEV_DEV(dev, &pdev->dev); |
| 1512 | tp = netdev_priv(dev); |
David Howells | c402895 | 2006-11-22 14:57:56 +0000 | [diff] [blame] | 1513 | tp->dev = dev; |
Stephen Hemminger | b57b7e5 | 2005-05-27 21:11:52 +0200 | [diff] [blame] | 1514 | tp->msg_enable = netif_msg_init(debug.msg_enable, R8169_MSG_DEFAULT); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1515 | |
| 1516 | /* enable device (incl. PCI PM wakeup and hotplug setup) */ |
| 1517 | rc = pci_enable_device(pdev); |
Stephen Hemminger | b57b7e5 | 2005-05-27 21:11:52 +0200 | [diff] [blame] | 1518 | if (rc < 0) { |
Jeff Garzik | 2e8a538 | 2006-06-27 10:47:51 -0400 | [diff] [blame] | 1519 | if (netif_msg_probe(tp)) |
Jeff Garzik | 9b91cf9 | 2006-06-27 11:39:50 -0400 | [diff] [blame] | 1520 | dev_err(&pdev->dev, "enable failure\n"); |
Francois Romieu | 4ff96fa | 2006-07-26 22:05:06 +0200 | [diff] [blame] | 1521 | goto err_out_free_dev_1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1522 | } |
| 1523 | |
| 1524 | rc = pci_set_mwi(pdev); |
| 1525 | if (rc < 0) |
Francois Romieu | 4ff96fa | 2006-07-26 22:05:06 +0200 | [diff] [blame] | 1526 | goto err_out_disable_2; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1527 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1528 | /* make sure PCI base addr 1 is MMIO */ |
Francois Romieu | bcf0bf9 | 2006-07-26 23:14:13 +0200 | [diff] [blame] | 1529 | if (!(pci_resource_flags(pdev, region) & IORESOURCE_MEM)) { |
Francois Romieu | 4ff96fa | 2006-07-26 22:05:06 +0200 | [diff] [blame] | 1530 | if (netif_msg_probe(tp)) { |
Jeff Garzik | 9b91cf9 | 2006-06-27 11:39:50 -0400 | [diff] [blame] | 1531 | dev_err(&pdev->dev, |
Francois Romieu | bcf0bf9 | 2006-07-26 23:14:13 +0200 | [diff] [blame] | 1532 | "region #%d not an MMIO resource, aborting\n", |
| 1533 | region); |
Francois Romieu | 4ff96fa | 2006-07-26 22:05:06 +0200 | [diff] [blame] | 1534 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1535 | rc = -ENODEV; |
Francois Romieu | 4ff96fa | 2006-07-26 22:05:06 +0200 | [diff] [blame] | 1536 | goto err_out_mwi_3; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1537 | } |
Francois Romieu | 4ff96fa | 2006-07-26 22:05:06 +0200 | [diff] [blame] | 1538 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1539 | /* check for weird/broken PCI region reporting */ |
Francois Romieu | bcf0bf9 | 2006-07-26 23:14:13 +0200 | [diff] [blame] | 1540 | if (pci_resource_len(pdev, region) < R8169_REGS_SIZE) { |
Francois Romieu | 4ff96fa | 2006-07-26 22:05:06 +0200 | [diff] [blame] | 1541 | if (netif_msg_probe(tp)) { |
Jeff Garzik | 9b91cf9 | 2006-06-27 11:39:50 -0400 | [diff] [blame] | 1542 | dev_err(&pdev->dev, |
Francois Romieu | 4ff96fa | 2006-07-26 22:05:06 +0200 | [diff] [blame] | 1543 | "Invalid PCI region size(s), aborting\n"); |
| 1544 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1545 | rc = -ENODEV; |
Francois Romieu | 4ff96fa | 2006-07-26 22:05:06 +0200 | [diff] [blame] | 1546 | goto err_out_mwi_3; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1547 | } |
| 1548 | |
| 1549 | rc = pci_request_regions(pdev, MODULENAME); |
Stephen Hemminger | b57b7e5 | 2005-05-27 21:11:52 +0200 | [diff] [blame] | 1550 | if (rc < 0) { |
Jeff Garzik | 2e8a538 | 2006-06-27 10:47:51 -0400 | [diff] [blame] | 1551 | if (netif_msg_probe(tp)) |
Jeff Garzik | 9b91cf9 | 2006-06-27 11:39:50 -0400 | [diff] [blame] | 1552 | dev_err(&pdev->dev, "could not request regions.\n"); |
Francois Romieu | 4ff96fa | 2006-07-26 22:05:06 +0200 | [diff] [blame] | 1553 | goto err_out_mwi_3; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1554 | } |
| 1555 | |
| 1556 | tp->cp_cmd = PCIMulRW | RxChkSum; |
| 1557 | |
| 1558 | if ((sizeof(dma_addr_t) > 4) && |
| 1559 | !pci_set_dma_mask(pdev, DMA_64BIT_MASK) && use_dac) { |
| 1560 | tp->cp_cmd |= PCIDAC; |
| 1561 | dev->features |= NETIF_F_HIGHDMA; |
| 1562 | } else { |
| 1563 | rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK); |
| 1564 | if (rc < 0) { |
Francois Romieu | 4ff96fa | 2006-07-26 22:05:06 +0200 | [diff] [blame] | 1565 | if (netif_msg_probe(tp)) { |
Jeff Garzik | 9b91cf9 | 2006-06-27 11:39:50 -0400 | [diff] [blame] | 1566 | dev_err(&pdev->dev, |
Francois Romieu | 4ff96fa | 2006-07-26 22:05:06 +0200 | [diff] [blame] | 1567 | "DMA configuration failed.\n"); |
| 1568 | } |
| 1569 | goto err_out_free_res_4; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1570 | } |
| 1571 | } |
| 1572 | |
| 1573 | pci_set_master(pdev); |
| 1574 | |
| 1575 | /* ioremap MMIO region */ |
Francois Romieu | bcf0bf9 | 2006-07-26 23:14:13 +0200 | [diff] [blame] | 1576 | ioaddr = ioremap(pci_resource_start(pdev, region), R8169_REGS_SIZE); |
Francois Romieu | 4ff96fa | 2006-07-26 22:05:06 +0200 | [diff] [blame] | 1577 | if (!ioaddr) { |
Stephen Hemminger | b57b7e5 | 2005-05-27 21:11:52 +0200 | [diff] [blame] | 1578 | if (netif_msg_probe(tp)) |
Jeff Garzik | 9b91cf9 | 2006-06-27 11:39:50 -0400 | [diff] [blame] | 1579 | dev_err(&pdev->dev, "cannot remap MMIO, aborting\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1580 | rc = -EIO; |
Francois Romieu | 4ff96fa | 2006-07-26 22:05:06 +0200 | [diff] [blame] | 1581 | goto err_out_free_res_4; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1582 | } |
| 1583 | |
| 1584 | /* Unneeded ? Don't mess with Mrs. Murphy. */ |
| 1585 | rtl8169_irq_mask_and_ack(ioaddr); |
| 1586 | |
| 1587 | /* Soft reset the chip. */ |
| 1588 | RTL_W8(ChipCmd, CmdReset); |
| 1589 | |
| 1590 | /* Check that the chip has finished the reset. */ |
Francois Romieu | 07d3f51 | 2007-02-21 22:40:46 +0100 | [diff] [blame] | 1591 | for (i = 0; i < 100; i++) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1592 | if ((RTL_R8(ChipCmd) & CmdReset) == 0) |
| 1593 | break; |
Francois Romieu | b518fa8 | 2006-08-16 15:23:13 +0200 | [diff] [blame] | 1594 | msleep_interruptible(1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1595 | } |
| 1596 | |
| 1597 | /* Identify chip attached to board */ |
| 1598 | rtl8169_get_mac_version(tp, ioaddr); |
| 1599 | rtl8169_get_phy_version(tp, ioaddr); |
| 1600 | |
| 1601 | rtl8169_print_mac_version(tp); |
| 1602 | rtl8169_print_phy_version(tp); |
| 1603 | |
| 1604 | for (i = ARRAY_SIZE(rtl_chip_info) - 1; i >= 0; i--) { |
| 1605 | if (tp->mac_version == rtl_chip_info[i].mac_version) |
| 1606 | break; |
| 1607 | } |
| 1608 | if (i < 0) { |
| 1609 | /* Unknown chip: assume array element #0, original RTL-8169 */ |
Stephen Hemminger | b57b7e5 | 2005-05-27 21:11:52 +0200 | [diff] [blame] | 1610 | if (netif_msg_probe(tp)) { |
Jeff Garzik | 2e8a538 | 2006-06-27 10:47:51 -0400 | [diff] [blame] | 1611 | dev_printk(KERN_DEBUG, &pdev->dev, |
Francois Romieu | 4ff96fa | 2006-07-26 22:05:06 +0200 | [diff] [blame] | 1612 | "unknown chip version, assuming %s\n", |
| 1613 | rtl_chip_info[0].name); |
Stephen Hemminger | b57b7e5 | 2005-05-27 21:11:52 +0200 | [diff] [blame] | 1614 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1615 | i++; |
| 1616 | } |
| 1617 | tp->chipset = i; |
| 1618 | |
Francois Romieu | 5d06a99 | 2006-02-23 00:47:58 +0100 | [diff] [blame] | 1619 | RTL_W8(Cfg9346, Cfg9346_Unlock); |
| 1620 | RTL_W8(Config1, RTL_R8(Config1) | PMEnable); |
| 1621 | RTL_W8(Config5, RTL_R8(Config5) & PMEStatus); |
| 1622 | RTL_W8(Cfg9346, Cfg9346_Lock); |
| 1623 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1624 | if (RTL_R8(PHYstatus) & TBI_Enable) { |
| 1625 | tp->set_speed = rtl8169_set_speed_tbi; |
| 1626 | tp->get_settings = rtl8169_gset_tbi; |
| 1627 | tp->phy_reset_enable = rtl8169_tbi_reset_enable; |
| 1628 | tp->phy_reset_pending = rtl8169_tbi_reset_pending; |
| 1629 | tp->link_ok = rtl8169_tbi_link_ok; |
| 1630 | |
Francois Romieu | 64e4bfb | 2006-08-17 12:43:06 +0200 | [diff] [blame] | 1631 | tp->phy_1000_ctrl_reg = ADVERTISE_1000FULL; /* Implied by TBI */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1632 | } else { |
| 1633 | tp->set_speed = rtl8169_set_speed_xmii; |
| 1634 | tp->get_settings = rtl8169_gset_xmii; |
| 1635 | tp->phy_reset_enable = rtl8169_xmii_reset_enable; |
| 1636 | tp->phy_reset_pending = rtl8169_xmii_reset_pending; |
| 1637 | tp->link_ok = rtl8169_xmii_link_ok; |
Francois Romieu | 5f787a1 | 2006-08-17 13:02:36 +0200 | [diff] [blame] | 1638 | |
| 1639 | dev->do_ioctl = rtl8169_ioctl; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1640 | } |
| 1641 | |
| 1642 | /* Get MAC address. FIXME: read EEPROM */ |
| 1643 | for (i = 0; i < MAC_ADDR_LEN; i++) |
| 1644 | dev->dev_addr[i] = RTL_R8(MAC0 + i); |
John W. Linville | 6d6525b | 2005-09-12 10:48:57 -0400 | [diff] [blame] | 1645 | memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1646 | |
| 1647 | dev->open = rtl8169_open; |
| 1648 | dev->hard_start_xmit = rtl8169_start_xmit; |
| 1649 | dev->get_stats = rtl8169_get_stats; |
| 1650 | SET_ETHTOOL_OPS(dev, &rtl8169_ethtool_ops); |
| 1651 | dev->stop = rtl8169_close; |
| 1652 | dev->tx_timeout = rtl8169_tx_timeout; |
Francois Romieu | 07ce406 | 2007-02-23 23:36:39 +0100 | [diff] [blame] | 1653 | dev->set_multicast_list = rtl_set_rx_mode; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1654 | dev->watchdog_timeo = RTL8169_TX_TIMEOUT; |
| 1655 | dev->irq = pdev->irq; |
| 1656 | dev->base_addr = (unsigned long) ioaddr; |
| 1657 | dev->change_mtu = rtl8169_change_mtu; |
Francois Romieu | 773d202 | 2007-01-31 23:47:43 +0100 | [diff] [blame] | 1658 | dev->set_mac_address = rtl_set_mac_address; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1659 | |
| 1660 | #ifdef CONFIG_R8169_NAPI |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 1661 | netif_napi_add(dev, &tp->napi, rtl8169_poll, R8169_NAPI_WEIGHT); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1662 | #endif |
| 1663 | |
| 1664 | #ifdef CONFIG_R8169_VLAN |
| 1665 | dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; |
| 1666 | dev->vlan_rx_register = rtl8169_vlan_rx_register; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1667 | #endif |
| 1668 | |
| 1669 | #ifdef CONFIG_NET_POLL_CONTROLLER |
| 1670 | dev->poll_controller = rtl8169_netpoll; |
| 1671 | #endif |
| 1672 | |
| 1673 | tp->intr_mask = 0xffff; |
| 1674 | tp->pci_dev = pdev; |
| 1675 | tp->mmio_addr = ioaddr; |
Francois Romieu | 0e48515 | 2007-02-20 00:00:26 +0100 | [diff] [blame] | 1676 | tp->align = cfg->align; |
| 1677 | tp->hw_start = cfg->hw_start; |
| 1678 | tp->intr_event = cfg->intr_event; |
| 1679 | tp->napi_event = cfg->napi_event; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1680 | |
Francois Romieu | 2efa53f | 2007-03-09 00:00:05 +0100 | [diff] [blame] | 1681 | init_timer(&tp->timer); |
| 1682 | tp->timer.data = (unsigned long) dev; |
| 1683 | tp->timer.function = rtl8169_phy_timer; |
| 1684 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1685 | spin_lock_init(&tp->lock); |
| 1686 | |
| 1687 | rc = register_netdev(dev); |
Francois Romieu | 4ff96fa | 2006-07-26 22:05:06 +0200 | [diff] [blame] | 1688 | if (rc < 0) |
| 1689 | goto err_out_unmap_5; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1690 | |
| 1691 | pci_set_drvdata(pdev, dev); |
| 1692 | |
Stephen Hemminger | b57b7e5 | 2005-05-27 21:11:52 +0200 | [diff] [blame] | 1693 | if (netif_msg_probe(tp)) { |
Francois Romieu | 96b9709 | 2007-05-30 00:32:05 +0200 | [diff] [blame] | 1694 | u32 xid = RTL_R32(TxConfig) & 0x7cf0f8ff; |
| 1695 | |
Stephen Hemminger | b57b7e5 | 2005-05-27 21:11:52 +0200 | [diff] [blame] | 1696 | printk(KERN_INFO "%s: %s at 0x%lx, " |
| 1697 | "%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x, " |
Francois Romieu | 96b9709 | 2007-05-30 00:32:05 +0200 | [diff] [blame] | 1698 | "XID %08x IRQ %d\n", |
Stephen Hemminger | b57b7e5 | 2005-05-27 21:11:52 +0200 | [diff] [blame] | 1699 | dev->name, |
Francois Romieu | bcf0bf9 | 2006-07-26 23:14:13 +0200 | [diff] [blame] | 1700 | rtl_chip_info[tp->chipset].name, |
Stephen Hemminger | b57b7e5 | 2005-05-27 21:11:52 +0200 | [diff] [blame] | 1701 | dev->base_addr, |
| 1702 | dev->dev_addr[0], dev->dev_addr[1], |
| 1703 | dev->dev_addr[2], dev->dev_addr[3], |
Francois Romieu | 96b9709 | 2007-05-30 00:32:05 +0200 | [diff] [blame] | 1704 | dev->dev_addr[4], dev->dev_addr[5], xid, dev->irq); |
Stephen Hemminger | b57b7e5 | 2005-05-27 21:11:52 +0200 | [diff] [blame] | 1705 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1706 | |
Francois Romieu | 4ff96fa | 2006-07-26 22:05:06 +0200 | [diff] [blame] | 1707 | rtl8169_init_phy(dev, tp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1708 | |
Francois Romieu | 4ff96fa | 2006-07-26 22:05:06 +0200 | [diff] [blame] | 1709 | out: |
| 1710 | return rc; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1711 | |
Francois Romieu | 4ff96fa | 2006-07-26 22:05:06 +0200 | [diff] [blame] | 1712 | err_out_unmap_5: |
| 1713 | iounmap(ioaddr); |
| 1714 | err_out_free_res_4: |
| 1715 | pci_release_regions(pdev); |
| 1716 | err_out_mwi_3: |
| 1717 | pci_clear_mwi(pdev); |
| 1718 | err_out_disable_2: |
| 1719 | pci_disable_device(pdev); |
| 1720 | err_out_free_dev_1: |
| 1721 | free_netdev(dev); |
| 1722 | goto out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1723 | } |
| 1724 | |
Francois Romieu | 07d3f51 | 2007-02-21 22:40:46 +0100 | [diff] [blame] | 1725 | static void __devexit rtl8169_remove_one(struct pci_dev *pdev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1726 | { |
| 1727 | struct net_device *dev = pci_get_drvdata(pdev); |
| 1728 | struct rtl8169_private *tp = netdev_priv(dev); |
| 1729 | |
Francois Romieu | eb2a021 | 2007-02-15 23:37:21 +0100 | [diff] [blame] | 1730 | flush_scheduled_work(); |
| 1731 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1732 | unregister_netdev(dev); |
| 1733 | rtl8169_release_board(pdev, dev, tp->mmio_addr); |
| 1734 | pci_set_drvdata(pdev, NULL); |
| 1735 | } |
| 1736 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1737 | static void rtl8169_set_rxbufsize(struct rtl8169_private *tp, |
| 1738 | struct net_device *dev) |
| 1739 | { |
| 1740 | unsigned int mtu = dev->mtu; |
| 1741 | |
| 1742 | tp->rx_buf_sz = (mtu > RX_BUF_SIZE) ? mtu + ETH_HLEN + 8 : RX_BUF_SIZE; |
| 1743 | } |
| 1744 | |
| 1745 | static int rtl8169_open(struct net_device *dev) |
| 1746 | { |
| 1747 | struct rtl8169_private *tp = netdev_priv(dev); |
| 1748 | struct pci_dev *pdev = tp->pci_dev; |
Francois Romieu | 99f252b | 2007-04-02 22:59:59 +0200 | [diff] [blame] | 1749 | int retval = -ENOMEM; |
| 1750 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1751 | |
| 1752 | rtl8169_set_rxbufsize(tp, dev); |
| 1753 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1754 | /* |
| 1755 | * Rx and Tx desscriptors needs 256 bytes alignment. |
| 1756 | * pci_alloc_consistent provides more. |
| 1757 | */ |
| 1758 | tp->TxDescArray = pci_alloc_consistent(pdev, R8169_TX_RING_BYTES, |
| 1759 | &tp->TxPhyAddr); |
| 1760 | if (!tp->TxDescArray) |
Francois Romieu | 99f252b | 2007-04-02 22:59:59 +0200 | [diff] [blame] | 1761 | goto out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1762 | |
| 1763 | tp->RxDescArray = pci_alloc_consistent(pdev, R8169_RX_RING_BYTES, |
| 1764 | &tp->RxPhyAddr); |
| 1765 | if (!tp->RxDescArray) |
Francois Romieu | 99f252b | 2007-04-02 22:59:59 +0200 | [diff] [blame] | 1766 | goto err_free_tx_0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1767 | |
| 1768 | retval = rtl8169_init_ring(dev); |
| 1769 | if (retval < 0) |
Francois Romieu | 99f252b | 2007-04-02 22:59:59 +0200 | [diff] [blame] | 1770 | goto err_free_rx_1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1771 | |
David Howells | c402895 | 2006-11-22 14:57:56 +0000 | [diff] [blame] | 1772 | INIT_DELAYED_WORK(&tp->task, NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1773 | |
Francois Romieu | 99f252b | 2007-04-02 22:59:59 +0200 | [diff] [blame] | 1774 | smp_mb(); |
| 1775 | |
| 1776 | retval = request_irq(dev->irq, rtl8169_interrupt, IRQF_SHARED, |
| 1777 | dev->name, dev); |
| 1778 | if (retval < 0) |
| 1779 | goto err_release_ring_2; |
| 1780 | |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 1781 | #ifdef CONFIG_R8169_NAPI |
| 1782 | napi_enable(&tp->napi); |
| 1783 | #endif |
| 1784 | |
Francois Romieu | 07ce406 | 2007-02-23 23:36:39 +0100 | [diff] [blame] | 1785 | rtl_hw_start(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1786 | |
| 1787 | rtl8169_request_timer(dev); |
| 1788 | |
| 1789 | rtl8169_check_link_status(dev, tp, tp->mmio_addr); |
| 1790 | out: |
| 1791 | return retval; |
| 1792 | |
Francois Romieu | 99f252b | 2007-04-02 22:59:59 +0200 | [diff] [blame] | 1793 | err_release_ring_2: |
| 1794 | rtl8169_rx_clear(tp); |
| 1795 | err_free_rx_1: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1796 | pci_free_consistent(pdev, R8169_RX_RING_BYTES, tp->RxDescArray, |
| 1797 | tp->RxPhyAddr); |
Francois Romieu | 99f252b | 2007-04-02 22:59:59 +0200 | [diff] [blame] | 1798 | err_free_tx_0: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1799 | pci_free_consistent(pdev, R8169_TX_RING_BYTES, tp->TxDescArray, |
| 1800 | tp->TxPhyAddr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1801 | goto out; |
| 1802 | } |
| 1803 | |
| 1804 | static void rtl8169_hw_reset(void __iomem *ioaddr) |
| 1805 | { |
| 1806 | /* Disable interrupts */ |
| 1807 | rtl8169_irq_mask_and_ack(ioaddr); |
| 1808 | |
| 1809 | /* Reset the chipset */ |
| 1810 | RTL_W8(ChipCmd, CmdReset); |
| 1811 | |
| 1812 | /* PCI commit */ |
| 1813 | RTL_R8(ChipCmd); |
| 1814 | } |
| 1815 | |
Francois Romieu | 7f796d83 | 2007-06-11 23:04:41 +0200 | [diff] [blame] | 1816 | static void rtl_set_rx_tx_config_registers(struct rtl8169_private *tp) |
Francois Romieu | 9cb427b | 2006-11-02 00:10:16 +0100 | [diff] [blame] | 1817 | { |
| 1818 | void __iomem *ioaddr = tp->mmio_addr; |
| 1819 | u32 cfg = rtl8169_rx_config; |
| 1820 | |
| 1821 | cfg |= (RTL_R32(RxConfig) & rtl_chip_info[tp->chipset].RxConfigMask); |
| 1822 | RTL_W32(RxConfig, cfg); |
| 1823 | |
| 1824 | /* Set DMA burst size and Interframe Gap Time */ |
| 1825 | RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) | |
| 1826 | (InterFrameGap << TxInterFrameGapShift)); |
| 1827 | } |
| 1828 | |
Francois Romieu | 07ce406 | 2007-02-23 23:36:39 +0100 | [diff] [blame] | 1829 | static void rtl_hw_start(struct net_device *dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1830 | { |
| 1831 | struct rtl8169_private *tp = netdev_priv(dev); |
| 1832 | void __iomem *ioaddr = tp->mmio_addr; |
Francois Romieu | 07d3f51 | 2007-02-21 22:40:46 +0100 | [diff] [blame] | 1833 | unsigned int i; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1834 | |
| 1835 | /* Soft reset the chip. */ |
| 1836 | RTL_W8(ChipCmd, CmdReset); |
| 1837 | |
| 1838 | /* Check that the chip has finished the reset. */ |
Francois Romieu | 07d3f51 | 2007-02-21 22:40:46 +0100 | [diff] [blame] | 1839 | for (i = 0; i < 100; i++) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1840 | if ((RTL_R8(ChipCmd) & CmdReset) == 0) |
| 1841 | break; |
Francois Romieu | b518fa8 | 2006-08-16 15:23:13 +0200 | [diff] [blame] | 1842 | msleep_interruptible(1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1843 | } |
| 1844 | |
Francois Romieu | 07ce406 | 2007-02-23 23:36:39 +0100 | [diff] [blame] | 1845 | tp->hw_start(dev); |
| 1846 | |
Francois Romieu | 07ce406 | 2007-02-23 23:36:39 +0100 | [diff] [blame] | 1847 | netif_start_queue(dev); |
| 1848 | } |
| 1849 | |
| 1850 | |
Francois Romieu | 7f796d83 | 2007-06-11 23:04:41 +0200 | [diff] [blame] | 1851 | static void rtl_set_rx_tx_desc_registers(struct rtl8169_private *tp, |
| 1852 | void __iomem *ioaddr) |
| 1853 | { |
| 1854 | /* |
| 1855 | * Magic spell: some iop3xx ARM board needs the TxDescAddrHigh |
| 1856 | * register to be written before TxDescAddrLow to work. |
| 1857 | * Switching from MMIO to I/O access fixes the issue as well. |
| 1858 | */ |
| 1859 | RTL_W32(TxDescStartAddrHigh, ((u64) tp->TxPhyAddr) >> 32); |
| 1860 | RTL_W32(TxDescStartAddrLow, ((u64) tp->TxPhyAddr) & DMA_32BIT_MASK); |
| 1861 | RTL_W32(RxDescAddrHigh, ((u64) tp->RxPhyAddr) >> 32); |
| 1862 | RTL_W32(RxDescAddrLow, ((u64) tp->RxPhyAddr) & DMA_32BIT_MASK); |
| 1863 | } |
| 1864 | |
| 1865 | static u16 rtl_rw_cpluscmd(void __iomem *ioaddr) |
| 1866 | { |
| 1867 | u16 cmd; |
| 1868 | |
| 1869 | cmd = RTL_R16(CPlusCmd); |
| 1870 | RTL_W16(CPlusCmd, cmd); |
| 1871 | return cmd; |
| 1872 | } |
| 1873 | |
| 1874 | static void rtl_set_rx_max_size(void __iomem *ioaddr) |
| 1875 | { |
| 1876 | /* Low hurts. Let's disable the filtering. */ |
| 1877 | RTL_W16(RxMaxSize, 16383); |
| 1878 | } |
| 1879 | |
Francois Romieu | 6dccd16 | 2007-02-13 23:38:05 +0100 | [diff] [blame] | 1880 | static void rtl8169_set_magic_reg(void __iomem *ioaddr, unsigned mac_version) |
| 1881 | { |
| 1882 | struct { |
| 1883 | u32 mac_version; |
| 1884 | u32 clk; |
| 1885 | u32 val; |
| 1886 | } cfg2_info [] = { |
| 1887 | { RTL_GIGA_MAC_VER_05, PCI_Clock_33MHz, 0x000fff00 }, // 8110SCd |
| 1888 | { RTL_GIGA_MAC_VER_05, PCI_Clock_66MHz, 0x000fffff }, |
| 1889 | { RTL_GIGA_MAC_VER_06, PCI_Clock_33MHz, 0x00ffff00 }, // 8110SCe |
| 1890 | { RTL_GIGA_MAC_VER_06, PCI_Clock_66MHz, 0x00ffffff } |
| 1891 | }, *p = cfg2_info; |
| 1892 | unsigned int i; |
| 1893 | u32 clk; |
| 1894 | |
| 1895 | clk = RTL_R8(Config2) & PCI_Clock_66MHz; |
| 1896 | for (i = 0; i < ARRAY_SIZE(cfg2_info); i++) { |
| 1897 | if ((p->mac_version == mac_version) && (p->clk == clk)) { |
| 1898 | RTL_W32(0x7c, p->val); |
| 1899 | break; |
| 1900 | } |
| 1901 | } |
| 1902 | } |
| 1903 | |
Francois Romieu | 07ce406 | 2007-02-23 23:36:39 +0100 | [diff] [blame] | 1904 | static void rtl_hw_start_8169(struct net_device *dev) |
| 1905 | { |
| 1906 | struct rtl8169_private *tp = netdev_priv(dev); |
| 1907 | void __iomem *ioaddr = tp->mmio_addr; |
| 1908 | struct pci_dev *pdev = tp->pci_dev; |
Francois Romieu | 07ce406 | 2007-02-23 23:36:39 +0100 | [diff] [blame] | 1909 | |
Francois Romieu | 9cb427b | 2006-11-02 00:10:16 +0100 | [diff] [blame] | 1910 | if (tp->mac_version == RTL_GIGA_MAC_VER_05) { |
| 1911 | RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) | PCIMulRW); |
| 1912 | pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, 0x08); |
| 1913 | } |
| 1914 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1915 | RTL_W8(Cfg9346, Cfg9346_Unlock); |
Francois Romieu | 9cb427b | 2006-11-02 00:10:16 +0100 | [diff] [blame] | 1916 | if ((tp->mac_version == RTL_GIGA_MAC_VER_01) || |
| 1917 | (tp->mac_version == RTL_GIGA_MAC_VER_02) || |
| 1918 | (tp->mac_version == RTL_GIGA_MAC_VER_03) || |
| 1919 | (tp->mac_version == RTL_GIGA_MAC_VER_04)) |
| 1920 | RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb); |
| 1921 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1922 | RTL_W8(EarlyTxThres, EarlyTxThld); |
| 1923 | |
Francois Romieu | 7f796d83 | 2007-06-11 23:04:41 +0200 | [diff] [blame] | 1924 | rtl_set_rx_max_size(ioaddr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1925 | |
Francois Romieu | c946b30 | 2007-10-04 00:42:50 +0200 | [diff] [blame] | 1926 | if ((tp->mac_version == RTL_GIGA_MAC_VER_01) || |
| 1927 | (tp->mac_version == RTL_GIGA_MAC_VER_02) || |
| 1928 | (tp->mac_version == RTL_GIGA_MAC_VER_03) || |
| 1929 | (tp->mac_version == RTL_GIGA_MAC_VER_04)) |
| 1930 | rtl_set_rx_tx_config_registers(tp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1931 | |
Francois Romieu | 7f796d83 | 2007-06-11 23:04:41 +0200 | [diff] [blame] | 1932 | tp->cp_cmd |= rtl_rw_cpluscmd(ioaddr) | PCIMulRW; |
Francois Romieu | bcf0bf9 | 2006-07-26 23:14:13 +0200 | [diff] [blame] | 1933 | |
| 1934 | if ((tp->mac_version == RTL_GIGA_MAC_VER_02) || |
| 1935 | (tp->mac_version == RTL_GIGA_MAC_VER_03)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1936 | dprintk(KERN_INFO PFX "Set MAC Reg C+CR Offset 0xE0. " |
| 1937 | "Bit-3 and bit-14 MUST be 1\n"); |
Francois Romieu | bcf0bf9 | 2006-07-26 23:14:13 +0200 | [diff] [blame] | 1938 | tp->cp_cmd |= (1 << 14); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1939 | } |
| 1940 | |
Francois Romieu | bcf0bf9 | 2006-07-26 23:14:13 +0200 | [diff] [blame] | 1941 | RTL_W16(CPlusCmd, tp->cp_cmd); |
| 1942 | |
Francois Romieu | 6dccd16 | 2007-02-13 23:38:05 +0100 | [diff] [blame] | 1943 | rtl8169_set_magic_reg(ioaddr, tp->mac_version); |
| 1944 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1945 | /* |
| 1946 | * Undocumented corner. Supposedly: |
| 1947 | * (TxTimer << 12) | (TxPackets << 8) | (RxTimer << 4) | RxPackets |
| 1948 | */ |
| 1949 | RTL_W16(IntrMitigate, 0x0000); |
| 1950 | |
Francois Romieu | 7f796d83 | 2007-06-11 23:04:41 +0200 | [diff] [blame] | 1951 | rtl_set_rx_tx_desc_registers(tp, ioaddr); |
Francois Romieu | 9cb427b | 2006-11-02 00:10:16 +0100 | [diff] [blame] | 1952 | |
Francois Romieu | c946b30 | 2007-10-04 00:42:50 +0200 | [diff] [blame] | 1953 | if ((tp->mac_version != RTL_GIGA_MAC_VER_01) && |
| 1954 | (tp->mac_version != RTL_GIGA_MAC_VER_02) && |
| 1955 | (tp->mac_version != RTL_GIGA_MAC_VER_03) && |
| 1956 | (tp->mac_version != RTL_GIGA_MAC_VER_04)) { |
| 1957 | RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb); |
| 1958 | rtl_set_rx_tx_config_registers(tp); |
| 1959 | } |
| 1960 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1961 | RTL_W8(Cfg9346, Cfg9346_Lock); |
Francois Romieu | b518fa8 | 2006-08-16 15:23:13 +0200 | [diff] [blame] | 1962 | |
| 1963 | /* Initially a 10 us delay. Turned it into a PCI commit. - FR */ |
| 1964 | RTL_R8(IntrMask); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1965 | |
| 1966 | RTL_W32(RxMissed, 0); |
| 1967 | |
Francois Romieu | 07ce406 | 2007-02-23 23:36:39 +0100 | [diff] [blame] | 1968 | rtl_set_rx_mode(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1969 | |
| 1970 | /* no early-rx interrupts */ |
| 1971 | RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000); |
Francois Romieu | 6dccd16 | 2007-02-13 23:38:05 +0100 | [diff] [blame] | 1972 | |
| 1973 | /* Enable all known interrupts by setting the interrupt mask. */ |
Francois Romieu | 0e48515 | 2007-02-20 00:00:26 +0100 | [diff] [blame] | 1974 | RTL_W16(IntrMask, tp->intr_event); |
Francois Romieu | 07ce406 | 2007-02-23 23:36:39 +0100 | [diff] [blame] | 1975 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1976 | |
Francois Romieu | 07ce406 | 2007-02-23 23:36:39 +0100 | [diff] [blame] | 1977 | static void rtl_hw_start_8168(struct net_device *dev) |
| 1978 | { |
Francois Romieu | 2dd9953 | 2007-06-11 23:22:52 +0200 | [diff] [blame] | 1979 | struct rtl8169_private *tp = netdev_priv(dev); |
| 1980 | void __iomem *ioaddr = tp->mmio_addr; |
Francois Romieu | 0e48515 | 2007-02-20 00:00:26 +0100 | [diff] [blame] | 1981 | struct pci_dev *pdev = tp->pci_dev; |
| 1982 | u8 ctl; |
Francois Romieu | 2dd9953 | 2007-06-11 23:22:52 +0200 | [diff] [blame] | 1983 | |
| 1984 | RTL_W8(Cfg9346, Cfg9346_Unlock); |
| 1985 | |
| 1986 | RTL_W8(EarlyTxThres, EarlyTxThld); |
| 1987 | |
| 1988 | rtl_set_rx_max_size(ioaddr); |
| 1989 | |
Francois Romieu | 0e48515 | 2007-02-20 00:00:26 +0100 | [diff] [blame] | 1990 | rtl_set_rx_tx_config_registers(tp); |
| 1991 | |
| 1992 | tp->cp_cmd |= RTL_R16(CPlusCmd) | PktCntrDisable | INTT_1; |
Francois Romieu | 2dd9953 | 2007-06-11 23:22:52 +0200 | [diff] [blame] | 1993 | |
| 1994 | RTL_W16(CPlusCmd, tp->cp_cmd); |
| 1995 | |
Francois Romieu | 0e48515 | 2007-02-20 00:00:26 +0100 | [diff] [blame] | 1996 | /* Tx performance tweak. */ |
| 1997 | pci_read_config_byte(pdev, 0x69, &ctl); |
| 1998 | ctl = (ctl & ~0x70) | 0x50; |
| 1999 | pci_write_config_byte(pdev, 0x69, ctl); |
| 2000 | |
| 2001 | RTL_W16(IntrMitigate, 0x5151); |
| 2002 | |
| 2003 | /* Work around for RxFIFO overflow. */ |
| 2004 | if (tp->mac_version == RTL_GIGA_MAC_VER_11) { |
| 2005 | tp->intr_event |= RxFIFOOver | PCSTimeout; |
| 2006 | tp->intr_event &= ~RxOverflow; |
| 2007 | } |
Francois Romieu | 2dd9953 | 2007-06-11 23:22:52 +0200 | [diff] [blame] | 2008 | |
| 2009 | rtl_set_rx_tx_desc_registers(tp, ioaddr); |
| 2010 | |
Francois Romieu | 2dd9953 | 2007-06-11 23:22:52 +0200 | [diff] [blame] | 2011 | RTL_W8(Cfg9346, Cfg9346_Lock); |
| 2012 | |
| 2013 | RTL_R8(IntrMask); |
| 2014 | |
| 2015 | RTL_W32(RxMissed, 0); |
| 2016 | |
| 2017 | rtl_set_rx_mode(dev); |
| 2018 | |
Francois Romieu | 0e48515 | 2007-02-20 00:00:26 +0100 | [diff] [blame] | 2019 | RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb); |
| 2020 | |
Francois Romieu | 2dd9953 | 2007-06-11 23:22:52 +0200 | [diff] [blame] | 2021 | RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000); |
Francois Romieu | 6dccd16 | 2007-02-13 23:38:05 +0100 | [diff] [blame] | 2022 | |
Francois Romieu | 0e48515 | 2007-02-20 00:00:26 +0100 | [diff] [blame] | 2023 | RTL_W16(IntrMask, tp->intr_event); |
Francois Romieu | 07ce406 | 2007-02-23 23:36:39 +0100 | [diff] [blame] | 2024 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2025 | |
Francois Romieu | 07ce406 | 2007-02-23 23:36:39 +0100 | [diff] [blame] | 2026 | static void rtl_hw_start_8101(struct net_device *dev) |
| 2027 | { |
Francois Romieu | cdf1a60 | 2007-06-11 23:29:50 +0200 | [diff] [blame] | 2028 | struct rtl8169_private *tp = netdev_priv(dev); |
| 2029 | void __iomem *ioaddr = tp->mmio_addr; |
| 2030 | struct pci_dev *pdev = tp->pci_dev; |
| 2031 | |
| 2032 | if (tp->mac_version == RTL_GIGA_MAC_VER_13) { |
| 2033 | pci_write_config_word(pdev, 0x68, 0x00); |
| 2034 | pci_write_config_word(pdev, 0x69, 0x08); |
| 2035 | } |
| 2036 | |
| 2037 | RTL_W8(Cfg9346, Cfg9346_Unlock); |
| 2038 | |
| 2039 | RTL_W8(EarlyTxThres, EarlyTxThld); |
| 2040 | |
| 2041 | rtl_set_rx_max_size(ioaddr); |
| 2042 | |
| 2043 | tp->cp_cmd |= rtl_rw_cpluscmd(ioaddr) | PCIMulRW; |
| 2044 | |
| 2045 | RTL_W16(CPlusCmd, tp->cp_cmd); |
| 2046 | |
| 2047 | RTL_W16(IntrMitigate, 0x0000); |
| 2048 | |
| 2049 | rtl_set_rx_tx_desc_registers(tp, ioaddr); |
| 2050 | |
| 2051 | RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb); |
| 2052 | rtl_set_rx_tx_config_registers(tp); |
| 2053 | |
| 2054 | RTL_W8(Cfg9346, Cfg9346_Lock); |
| 2055 | |
| 2056 | RTL_R8(IntrMask); |
| 2057 | |
| 2058 | RTL_W32(RxMissed, 0); |
| 2059 | |
| 2060 | rtl_set_rx_mode(dev); |
| 2061 | |
Francois Romieu | 0e48515 | 2007-02-20 00:00:26 +0100 | [diff] [blame] | 2062 | RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb); |
| 2063 | |
Francois Romieu | cdf1a60 | 2007-06-11 23:29:50 +0200 | [diff] [blame] | 2064 | RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xf000); |
Francois Romieu | 6dccd16 | 2007-02-13 23:38:05 +0100 | [diff] [blame] | 2065 | |
Francois Romieu | 0e48515 | 2007-02-20 00:00:26 +0100 | [diff] [blame] | 2066 | RTL_W16(IntrMask, tp->intr_event); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2067 | } |
| 2068 | |
| 2069 | static int rtl8169_change_mtu(struct net_device *dev, int new_mtu) |
| 2070 | { |
| 2071 | struct rtl8169_private *tp = netdev_priv(dev); |
| 2072 | int ret = 0; |
| 2073 | |
| 2074 | if (new_mtu < ETH_ZLEN || new_mtu > SafeMtu) |
| 2075 | return -EINVAL; |
| 2076 | |
| 2077 | dev->mtu = new_mtu; |
| 2078 | |
| 2079 | if (!netif_running(dev)) |
| 2080 | goto out; |
| 2081 | |
| 2082 | rtl8169_down(dev); |
| 2083 | |
| 2084 | rtl8169_set_rxbufsize(tp, dev); |
| 2085 | |
| 2086 | ret = rtl8169_init_ring(dev); |
| 2087 | if (ret < 0) |
| 2088 | goto out; |
| 2089 | |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 2090 | #ifdef CONFIG_R8169_NAPI |
| 2091 | napi_enable(&tp->napi); |
| 2092 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2093 | |
Francois Romieu | 07ce406 | 2007-02-23 23:36:39 +0100 | [diff] [blame] | 2094 | rtl_hw_start(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2095 | |
| 2096 | rtl8169_request_timer(dev); |
| 2097 | |
| 2098 | out: |
| 2099 | return ret; |
| 2100 | } |
| 2101 | |
| 2102 | static inline void rtl8169_make_unusable_by_asic(struct RxDesc *desc) |
| 2103 | { |
| 2104 | desc->addr = 0x0badbadbadbadbadull; |
| 2105 | desc->opts1 &= ~cpu_to_le32(DescOwn | RsvdMask); |
| 2106 | } |
| 2107 | |
| 2108 | static void rtl8169_free_rx_skb(struct rtl8169_private *tp, |
| 2109 | struct sk_buff **sk_buff, struct RxDesc *desc) |
| 2110 | { |
| 2111 | struct pci_dev *pdev = tp->pci_dev; |
| 2112 | |
| 2113 | pci_unmap_single(pdev, le64_to_cpu(desc->addr), tp->rx_buf_sz, |
| 2114 | PCI_DMA_FROMDEVICE); |
| 2115 | dev_kfree_skb(*sk_buff); |
| 2116 | *sk_buff = NULL; |
| 2117 | rtl8169_make_unusable_by_asic(desc); |
| 2118 | } |
| 2119 | |
| 2120 | static inline void rtl8169_mark_to_asic(struct RxDesc *desc, u32 rx_buf_sz) |
| 2121 | { |
| 2122 | u32 eor = le32_to_cpu(desc->opts1) & RingEnd; |
| 2123 | |
| 2124 | desc->opts1 = cpu_to_le32(DescOwn | eor | rx_buf_sz); |
| 2125 | } |
| 2126 | |
| 2127 | static inline void rtl8169_map_to_asic(struct RxDesc *desc, dma_addr_t mapping, |
| 2128 | u32 rx_buf_sz) |
| 2129 | { |
| 2130 | desc->addr = cpu_to_le64(mapping); |
| 2131 | wmb(); |
| 2132 | rtl8169_mark_to_asic(desc, rx_buf_sz); |
| 2133 | } |
| 2134 | |
Stephen Hemminger | 15d3175 | 2007-06-16 22:36:41 +0200 | [diff] [blame] | 2135 | static struct sk_buff *rtl8169_alloc_rx_skb(struct pci_dev *pdev, |
| 2136 | struct net_device *dev, |
| 2137 | struct RxDesc *desc, int rx_buf_sz, |
| 2138 | unsigned int align) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2139 | { |
| 2140 | struct sk_buff *skb; |
| 2141 | dma_addr_t mapping; |
Francois Romieu | e9f63f3 | 2007-02-28 23:16:57 +0100 | [diff] [blame] | 2142 | unsigned int pad; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2143 | |
Francois Romieu | e9f63f3 | 2007-02-28 23:16:57 +0100 | [diff] [blame] | 2144 | pad = align ? align : NET_IP_ALIGN; |
| 2145 | |
| 2146 | skb = netdev_alloc_skb(dev, rx_buf_sz + pad); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2147 | if (!skb) |
| 2148 | goto err_out; |
| 2149 | |
Francois Romieu | e9f63f3 | 2007-02-28 23:16:57 +0100 | [diff] [blame] | 2150 | skb_reserve(skb, align ? ((pad - 1) & (unsigned long)skb->data) : pad); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2151 | |
David S. Miller | 689be43 | 2005-06-28 15:25:31 -0700 | [diff] [blame] | 2152 | mapping = pci_map_single(pdev, skb->data, rx_buf_sz, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2153 | PCI_DMA_FROMDEVICE); |
| 2154 | |
| 2155 | rtl8169_map_to_asic(desc, mapping, rx_buf_sz); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2156 | out: |
Stephen Hemminger | 15d3175 | 2007-06-16 22:36:41 +0200 | [diff] [blame] | 2157 | return skb; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2158 | |
| 2159 | err_out: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2160 | rtl8169_make_unusable_by_asic(desc); |
| 2161 | goto out; |
| 2162 | } |
| 2163 | |
| 2164 | static void rtl8169_rx_clear(struct rtl8169_private *tp) |
| 2165 | { |
Francois Romieu | 07d3f51 | 2007-02-21 22:40:46 +0100 | [diff] [blame] | 2166 | unsigned int i; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2167 | |
| 2168 | for (i = 0; i < NUM_RX_DESC; i++) { |
| 2169 | if (tp->Rx_skbuff[i]) { |
| 2170 | rtl8169_free_rx_skb(tp, tp->Rx_skbuff + i, |
| 2171 | tp->RxDescArray + i); |
| 2172 | } |
| 2173 | } |
| 2174 | } |
| 2175 | |
| 2176 | static u32 rtl8169_rx_fill(struct rtl8169_private *tp, struct net_device *dev, |
| 2177 | u32 start, u32 end) |
| 2178 | { |
| 2179 | u32 cur; |
Francois Romieu | 5b0384f | 2006-08-16 16:00:01 +0200 | [diff] [blame] | 2180 | |
Francois Romieu | 4ae47c2 | 2007-06-16 23:28:45 +0200 | [diff] [blame] | 2181 | for (cur = start; end - cur != 0; cur++) { |
Stephen Hemminger | 15d3175 | 2007-06-16 22:36:41 +0200 | [diff] [blame] | 2182 | struct sk_buff *skb; |
| 2183 | unsigned int i = cur % NUM_RX_DESC; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2184 | |
Francois Romieu | 4ae47c2 | 2007-06-16 23:28:45 +0200 | [diff] [blame] | 2185 | WARN_ON((s32)(end - cur) < 0); |
| 2186 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2187 | if (tp->Rx_skbuff[i]) |
| 2188 | continue; |
Francois Romieu | bcf0bf9 | 2006-07-26 23:14:13 +0200 | [diff] [blame] | 2189 | |
Stephen Hemminger | 15d3175 | 2007-06-16 22:36:41 +0200 | [diff] [blame] | 2190 | skb = rtl8169_alloc_rx_skb(tp->pci_dev, dev, |
| 2191 | tp->RxDescArray + i, |
| 2192 | tp->rx_buf_sz, tp->align); |
| 2193 | if (!skb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2194 | break; |
Stephen Hemminger | 15d3175 | 2007-06-16 22:36:41 +0200 | [diff] [blame] | 2195 | |
| 2196 | tp->Rx_skbuff[i] = skb; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2197 | } |
| 2198 | return cur - start; |
| 2199 | } |
| 2200 | |
| 2201 | static inline void rtl8169_mark_as_last_descriptor(struct RxDesc *desc) |
| 2202 | { |
| 2203 | desc->opts1 |= cpu_to_le32(RingEnd); |
| 2204 | } |
| 2205 | |
| 2206 | static void rtl8169_init_ring_indexes(struct rtl8169_private *tp) |
| 2207 | { |
| 2208 | tp->dirty_tx = tp->dirty_rx = tp->cur_tx = tp->cur_rx = 0; |
| 2209 | } |
| 2210 | |
| 2211 | static int rtl8169_init_ring(struct net_device *dev) |
| 2212 | { |
| 2213 | struct rtl8169_private *tp = netdev_priv(dev); |
| 2214 | |
| 2215 | rtl8169_init_ring_indexes(tp); |
| 2216 | |
| 2217 | memset(tp->tx_skb, 0x0, NUM_TX_DESC * sizeof(struct ring_info)); |
| 2218 | memset(tp->Rx_skbuff, 0x0, NUM_RX_DESC * sizeof(struct sk_buff *)); |
| 2219 | |
| 2220 | if (rtl8169_rx_fill(tp, dev, 0, NUM_RX_DESC) != NUM_RX_DESC) |
| 2221 | goto err_out; |
| 2222 | |
| 2223 | rtl8169_mark_as_last_descriptor(tp->RxDescArray + NUM_RX_DESC - 1); |
| 2224 | |
| 2225 | return 0; |
| 2226 | |
| 2227 | err_out: |
| 2228 | rtl8169_rx_clear(tp); |
| 2229 | return -ENOMEM; |
| 2230 | } |
| 2231 | |
| 2232 | static void rtl8169_unmap_tx_skb(struct pci_dev *pdev, struct ring_info *tx_skb, |
| 2233 | struct TxDesc *desc) |
| 2234 | { |
| 2235 | unsigned int len = tx_skb->len; |
| 2236 | |
| 2237 | pci_unmap_single(pdev, le64_to_cpu(desc->addr), len, PCI_DMA_TODEVICE); |
| 2238 | desc->opts1 = 0x00; |
| 2239 | desc->opts2 = 0x00; |
| 2240 | desc->addr = 0x00; |
| 2241 | tx_skb->len = 0; |
| 2242 | } |
| 2243 | |
| 2244 | static void rtl8169_tx_clear(struct rtl8169_private *tp) |
| 2245 | { |
| 2246 | unsigned int i; |
| 2247 | |
| 2248 | for (i = tp->dirty_tx; i < tp->dirty_tx + NUM_TX_DESC; i++) { |
| 2249 | unsigned int entry = i % NUM_TX_DESC; |
| 2250 | struct ring_info *tx_skb = tp->tx_skb + entry; |
| 2251 | unsigned int len = tx_skb->len; |
| 2252 | |
| 2253 | if (len) { |
| 2254 | struct sk_buff *skb = tx_skb->skb; |
| 2255 | |
| 2256 | rtl8169_unmap_tx_skb(tp->pci_dev, tx_skb, |
| 2257 | tp->TxDescArray + entry); |
| 2258 | if (skb) { |
| 2259 | dev_kfree_skb(skb); |
| 2260 | tx_skb->skb = NULL; |
| 2261 | } |
| 2262 | tp->stats.tx_dropped++; |
| 2263 | } |
| 2264 | } |
| 2265 | tp->cur_tx = tp->dirty_tx = 0; |
| 2266 | } |
| 2267 | |
David Howells | c402895 | 2006-11-22 14:57:56 +0000 | [diff] [blame] | 2268 | static void rtl8169_schedule_work(struct net_device *dev, work_func_t task) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2269 | { |
| 2270 | struct rtl8169_private *tp = netdev_priv(dev); |
| 2271 | |
David Howells | c402895 | 2006-11-22 14:57:56 +0000 | [diff] [blame] | 2272 | PREPARE_DELAYED_WORK(&tp->task, task); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2273 | schedule_delayed_work(&tp->task, 4); |
| 2274 | } |
| 2275 | |
| 2276 | static void rtl8169_wait_for_quiescence(struct net_device *dev) |
| 2277 | { |
| 2278 | struct rtl8169_private *tp = netdev_priv(dev); |
| 2279 | void __iomem *ioaddr = tp->mmio_addr; |
| 2280 | |
| 2281 | synchronize_irq(dev->irq); |
| 2282 | |
| 2283 | /* Wait for any pending NAPI task to complete */ |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 2284 | #ifdef CONFIG_R8169_NAPI |
| 2285 | napi_disable(&tp->napi); |
| 2286 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2287 | |
| 2288 | rtl8169_irq_mask_and_ack(ioaddr); |
| 2289 | |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 2290 | #ifdef CONFIG_R8169_NAPI |
| 2291 | napi_enable(&tp->napi); |
| 2292 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2293 | } |
| 2294 | |
David Howells | c402895 | 2006-11-22 14:57:56 +0000 | [diff] [blame] | 2295 | static void rtl8169_reinit_task(struct work_struct *work) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2296 | { |
David Howells | c402895 | 2006-11-22 14:57:56 +0000 | [diff] [blame] | 2297 | struct rtl8169_private *tp = |
| 2298 | container_of(work, struct rtl8169_private, task.work); |
| 2299 | struct net_device *dev = tp->dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2300 | int ret; |
| 2301 | |
Francois Romieu | eb2a021 | 2007-02-15 23:37:21 +0100 | [diff] [blame] | 2302 | rtnl_lock(); |
| 2303 | |
| 2304 | if (!netif_running(dev)) |
| 2305 | goto out_unlock; |
| 2306 | |
| 2307 | rtl8169_wait_for_quiescence(dev); |
| 2308 | rtl8169_close(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2309 | |
| 2310 | ret = rtl8169_open(dev); |
| 2311 | if (unlikely(ret < 0)) { |
Francois Romieu | 07d3f51 | 2007-02-21 22:40:46 +0100 | [diff] [blame] | 2312 | if (net_ratelimit() && netif_msg_drv(tp)) { |
| 2313 | printk(PFX KERN_ERR "%s: reinit failure (status = %d)." |
| 2314 | " Rescheduling.\n", dev->name, ret); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2315 | } |
| 2316 | rtl8169_schedule_work(dev, rtl8169_reinit_task); |
| 2317 | } |
Francois Romieu | eb2a021 | 2007-02-15 23:37:21 +0100 | [diff] [blame] | 2318 | |
| 2319 | out_unlock: |
| 2320 | rtnl_unlock(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2321 | } |
| 2322 | |
David Howells | c402895 | 2006-11-22 14:57:56 +0000 | [diff] [blame] | 2323 | static void rtl8169_reset_task(struct work_struct *work) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2324 | { |
David Howells | c402895 | 2006-11-22 14:57:56 +0000 | [diff] [blame] | 2325 | struct rtl8169_private *tp = |
| 2326 | container_of(work, struct rtl8169_private, task.work); |
| 2327 | struct net_device *dev = tp->dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2328 | |
Francois Romieu | eb2a021 | 2007-02-15 23:37:21 +0100 | [diff] [blame] | 2329 | rtnl_lock(); |
| 2330 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2331 | if (!netif_running(dev)) |
Francois Romieu | eb2a021 | 2007-02-15 23:37:21 +0100 | [diff] [blame] | 2332 | goto out_unlock; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2333 | |
| 2334 | rtl8169_wait_for_quiescence(dev); |
| 2335 | |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 2336 | rtl8169_rx_interrupt(dev, tp, tp->mmio_addr, ~(u32)0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2337 | rtl8169_tx_clear(tp); |
| 2338 | |
| 2339 | if (tp->dirty_rx == tp->cur_rx) { |
| 2340 | rtl8169_init_ring_indexes(tp); |
Francois Romieu | 07ce406 | 2007-02-23 23:36:39 +0100 | [diff] [blame] | 2341 | rtl_hw_start(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2342 | netif_wake_queue(dev); |
| 2343 | } else { |
Francois Romieu | 07d3f51 | 2007-02-21 22:40:46 +0100 | [diff] [blame] | 2344 | if (net_ratelimit() && netif_msg_intr(tp)) { |
| 2345 | printk(PFX KERN_EMERG "%s: Rx buffers shortage\n", |
| 2346 | dev->name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2347 | } |
| 2348 | rtl8169_schedule_work(dev, rtl8169_reset_task); |
| 2349 | } |
Francois Romieu | eb2a021 | 2007-02-15 23:37:21 +0100 | [diff] [blame] | 2350 | |
| 2351 | out_unlock: |
| 2352 | rtnl_unlock(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2353 | } |
| 2354 | |
| 2355 | static void rtl8169_tx_timeout(struct net_device *dev) |
| 2356 | { |
| 2357 | struct rtl8169_private *tp = netdev_priv(dev); |
| 2358 | |
| 2359 | rtl8169_hw_reset(tp->mmio_addr); |
| 2360 | |
| 2361 | /* Let's wait a bit while any (async) irq lands on */ |
| 2362 | rtl8169_schedule_work(dev, rtl8169_reset_task); |
| 2363 | } |
| 2364 | |
| 2365 | static int rtl8169_xmit_frags(struct rtl8169_private *tp, struct sk_buff *skb, |
| 2366 | u32 opts1) |
| 2367 | { |
| 2368 | struct skb_shared_info *info = skb_shinfo(skb); |
| 2369 | unsigned int cur_frag, entry; |
Jeff Garzik | a6343af | 2007-07-17 05:39:58 -0400 | [diff] [blame] | 2370 | struct TxDesc * uninitialized_var(txd); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2371 | |
| 2372 | entry = tp->cur_tx; |
| 2373 | for (cur_frag = 0; cur_frag < info->nr_frags; cur_frag++) { |
| 2374 | skb_frag_t *frag = info->frags + cur_frag; |
| 2375 | dma_addr_t mapping; |
| 2376 | u32 status, len; |
| 2377 | void *addr; |
| 2378 | |
| 2379 | entry = (entry + 1) % NUM_TX_DESC; |
| 2380 | |
| 2381 | txd = tp->TxDescArray + entry; |
| 2382 | len = frag->size; |
| 2383 | addr = ((void *) page_address(frag->page)) + frag->page_offset; |
| 2384 | mapping = pci_map_single(tp->pci_dev, addr, len, PCI_DMA_TODEVICE); |
| 2385 | |
| 2386 | /* anti gcc 2.95.3 bugware (sic) */ |
| 2387 | status = opts1 | len | (RingEnd * !((entry + 1) % NUM_TX_DESC)); |
| 2388 | |
| 2389 | txd->opts1 = cpu_to_le32(status); |
| 2390 | txd->addr = cpu_to_le64(mapping); |
| 2391 | |
| 2392 | tp->tx_skb[entry].len = len; |
| 2393 | } |
| 2394 | |
| 2395 | if (cur_frag) { |
| 2396 | tp->tx_skb[entry].skb = skb; |
| 2397 | txd->opts1 |= cpu_to_le32(LastFrag); |
| 2398 | } |
| 2399 | |
| 2400 | return cur_frag; |
| 2401 | } |
| 2402 | |
| 2403 | static inline u32 rtl8169_tso_csum(struct sk_buff *skb, struct net_device *dev) |
| 2404 | { |
| 2405 | if (dev->features & NETIF_F_TSO) { |
Herbert Xu | 7967168 | 2006-06-22 02:40:14 -0700 | [diff] [blame] | 2406 | u32 mss = skb_shinfo(skb)->gso_size; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2407 | |
| 2408 | if (mss) |
| 2409 | return LargeSend | ((mss & MSSMask) << MSSShift); |
| 2410 | } |
Patrick McHardy | 84fa793 | 2006-08-29 16:44:56 -0700 | [diff] [blame] | 2411 | if (skb->ip_summed == CHECKSUM_PARTIAL) { |
Arnaldo Carvalho de Melo | eddc9ec | 2007-04-20 22:47:35 -0700 | [diff] [blame] | 2412 | const struct iphdr *ip = ip_hdr(skb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2413 | |
| 2414 | if (ip->protocol == IPPROTO_TCP) |
| 2415 | return IPCS | TCPCS; |
| 2416 | else if (ip->protocol == IPPROTO_UDP) |
| 2417 | return IPCS | UDPCS; |
| 2418 | WARN_ON(1); /* we need a WARN() */ |
| 2419 | } |
| 2420 | return 0; |
| 2421 | } |
| 2422 | |
| 2423 | static int rtl8169_start_xmit(struct sk_buff *skb, struct net_device *dev) |
| 2424 | { |
| 2425 | struct rtl8169_private *tp = netdev_priv(dev); |
| 2426 | unsigned int frags, entry = tp->cur_tx % NUM_TX_DESC; |
| 2427 | struct TxDesc *txd = tp->TxDescArray + entry; |
| 2428 | void __iomem *ioaddr = tp->mmio_addr; |
| 2429 | dma_addr_t mapping; |
| 2430 | u32 status, len; |
| 2431 | u32 opts1; |
Francois Romieu | 188f4af | 2006-08-16 14:51:52 +0200 | [diff] [blame] | 2432 | int ret = NETDEV_TX_OK; |
Francois Romieu | 5b0384f | 2006-08-16 16:00:01 +0200 | [diff] [blame] | 2433 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2434 | if (unlikely(TX_BUFFS_AVAIL(tp) < skb_shinfo(skb)->nr_frags)) { |
Stephen Hemminger | b57b7e5 | 2005-05-27 21:11:52 +0200 | [diff] [blame] | 2435 | if (netif_msg_drv(tp)) { |
| 2436 | printk(KERN_ERR |
| 2437 | "%s: BUG! Tx Ring full when queue awake!\n", |
| 2438 | dev->name); |
| 2439 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2440 | goto err_stop; |
| 2441 | } |
| 2442 | |
| 2443 | if (unlikely(le32_to_cpu(txd->opts1) & DescOwn)) |
| 2444 | goto err_stop; |
| 2445 | |
| 2446 | opts1 = DescOwn | rtl8169_tso_csum(skb, dev); |
| 2447 | |
| 2448 | frags = rtl8169_xmit_frags(tp, skb, opts1); |
| 2449 | if (frags) { |
| 2450 | len = skb_headlen(skb); |
| 2451 | opts1 |= FirstFrag; |
| 2452 | } else { |
| 2453 | len = skb->len; |
| 2454 | |
| 2455 | if (unlikely(len < ETH_ZLEN)) { |
Herbert Xu | 5b057c6 | 2006-06-23 02:06:41 -0700 | [diff] [blame] | 2456 | if (skb_padto(skb, ETH_ZLEN)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2457 | goto err_update_stats; |
| 2458 | len = ETH_ZLEN; |
| 2459 | } |
| 2460 | |
| 2461 | opts1 |= FirstFrag | LastFrag; |
| 2462 | tp->tx_skb[entry].skb = skb; |
| 2463 | } |
| 2464 | |
| 2465 | mapping = pci_map_single(tp->pci_dev, skb->data, len, PCI_DMA_TODEVICE); |
| 2466 | |
| 2467 | tp->tx_skb[entry].len = len; |
| 2468 | txd->addr = cpu_to_le64(mapping); |
| 2469 | txd->opts2 = cpu_to_le32(rtl8169_tx_vlan_tag(tp, skb)); |
| 2470 | |
| 2471 | wmb(); |
| 2472 | |
| 2473 | /* anti gcc 2.95.3 bugware (sic) */ |
| 2474 | status = opts1 | len | (RingEnd * !((entry + 1) % NUM_TX_DESC)); |
| 2475 | txd->opts1 = cpu_to_le32(status); |
| 2476 | |
| 2477 | dev->trans_start = jiffies; |
| 2478 | |
| 2479 | tp->cur_tx += frags + 1; |
| 2480 | |
| 2481 | smp_wmb(); |
| 2482 | |
Francois Romieu | 275391a | 2007-02-23 23:50:28 +0100 | [diff] [blame] | 2483 | RTL_W8(TxPoll, NPQ); /* set polling bit */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2484 | |
| 2485 | if (TX_BUFFS_AVAIL(tp) < MAX_SKB_FRAGS) { |
| 2486 | netif_stop_queue(dev); |
| 2487 | smp_rmb(); |
| 2488 | if (TX_BUFFS_AVAIL(tp) >= MAX_SKB_FRAGS) |
| 2489 | netif_wake_queue(dev); |
| 2490 | } |
| 2491 | |
| 2492 | out: |
| 2493 | return ret; |
| 2494 | |
| 2495 | err_stop: |
| 2496 | netif_stop_queue(dev); |
Francois Romieu | 188f4af | 2006-08-16 14:51:52 +0200 | [diff] [blame] | 2497 | ret = NETDEV_TX_BUSY; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2498 | err_update_stats: |
| 2499 | tp->stats.tx_dropped++; |
| 2500 | goto out; |
| 2501 | } |
| 2502 | |
| 2503 | static void rtl8169_pcierr_interrupt(struct net_device *dev) |
| 2504 | { |
| 2505 | struct rtl8169_private *tp = netdev_priv(dev); |
| 2506 | struct pci_dev *pdev = tp->pci_dev; |
| 2507 | void __iomem *ioaddr = tp->mmio_addr; |
| 2508 | u16 pci_status, pci_cmd; |
| 2509 | |
| 2510 | pci_read_config_word(pdev, PCI_COMMAND, &pci_cmd); |
| 2511 | pci_read_config_word(pdev, PCI_STATUS, &pci_status); |
| 2512 | |
Stephen Hemminger | b57b7e5 | 2005-05-27 21:11:52 +0200 | [diff] [blame] | 2513 | if (netif_msg_intr(tp)) { |
| 2514 | printk(KERN_ERR |
| 2515 | "%s: PCI error (cmd = 0x%04x, status = 0x%04x).\n", |
| 2516 | dev->name, pci_cmd, pci_status); |
| 2517 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2518 | |
| 2519 | /* |
| 2520 | * The recovery sequence below admits a very elaborated explanation: |
| 2521 | * - it seems to work; |
Francois Romieu | d03902b | 2006-11-23 00:00:42 +0100 | [diff] [blame] | 2522 | * - I did not see what else could be done; |
| 2523 | * - it makes iop3xx happy. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2524 | * |
| 2525 | * Feel free to adjust to your needs. |
| 2526 | */ |
Francois Romieu | a27993f | 2006-12-18 00:04:19 +0100 | [diff] [blame] | 2527 | if (pdev->broken_parity_status) |
Francois Romieu | d03902b | 2006-11-23 00:00:42 +0100 | [diff] [blame] | 2528 | pci_cmd &= ~PCI_COMMAND_PARITY; |
| 2529 | else |
| 2530 | pci_cmd |= PCI_COMMAND_SERR | PCI_COMMAND_PARITY; |
| 2531 | |
| 2532 | pci_write_config_word(pdev, PCI_COMMAND, pci_cmd); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2533 | |
| 2534 | pci_write_config_word(pdev, PCI_STATUS, |
| 2535 | pci_status & (PCI_STATUS_DETECTED_PARITY | |
| 2536 | PCI_STATUS_SIG_SYSTEM_ERROR | PCI_STATUS_REC_MASTER_ABORT | |
| 2537 | PCI_STATUS_REC_TARGET_ABORT | PCI_STATUS_SIG_TARGET_ABORT)); |
| 2538 | |
| 2539 | /* The infamous DAC f*ckup only happens at boot time */ |
| 2540 | if ((tp->cp_cmd & PCIDAC) && !tp->dirty_rx && !tp->cur_rx) { |
Stephen Hemminger | b57b7e5 | 2005-05-27 21:11:52 +0200 | [diff] [blame] | 2541 | if (netif_msg_intr(tp)) |
| 2542 | printk(KERN_INFO "%s: disabling PCI DAC.\n", dev->name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2543 | tp->cp_cmd &= ~PCIDAC; |
| 2544 | RTL_W16(CPlusCmd, tp->cp_cmd); |
| 2545 | dev->features &= ~NETIF_F_HIGHDMA; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2546 | } |
| 2547 | |
| 2548 | rtl8169_hw_reset(ioaddr); |
Francois Romieu | d03902b | 2006-11-23 00:00:42 +0100 | [diff] [blame] | 2549 | |
| 2550 | rtl8169_schedule_work(dev, rtl8169_reinit_task); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2551 | } |
| 2552 | |
Francois Romieu | 07d3f51 | 2007-02-21 22:40:46 +0100 | [diff] [blame] | 2553 | static void rtl8169_tx_interrupt(struct net_device *dev, |
| 2554 | struct rtl8169_private *tp, |
| 2555 | void __iomem *ioaddr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2556 | { |
| 2557 | unsigned int dirty_tx, tx_left; |
| 2558 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2559 | dirty_tx = tp->dirty_tx; |
| 2560 | smp_rmb(); |
| 2561 | tx_left = tp->cur_tx - dirty_tx; |
| 2562 | |
| 2563 | while (tx_left > 0) { |
| 2564 | unsigned int entry = dirty_tx % NUM_TX_DESC; |
| 2565 | struct ring_info *tx_skb = tp->tx_skb + entry; |
| 2566 | u32 len = tx_skb->len; |
| 2567 | u32 status; |
| 2568 | |
| 2569 | rmb(); |
| 2570 | status = le32_to_cpu(tp->TxDescArray[entry].opts1); |
| 2571 | if (status & DescOwn) |
| 2572 | break; |
| 2573 | |
| 2574 | tp->stats.tx_bytes += len; |
| 2575 | tp->stats.tx_packets++; |
| 2576 | |
| 2577 | rtl8169_unmap_tx_skb(tp->pci_dev, tx_skb, tp->TxDescArray + entry); |
| 2578 | |
| 2579 | if (status & LastFrag) { |
| 2580 | dev_kfree_skb_irq(tx_skb->skb); |
| 2581 | tx_skb->skb = NULL; |
| 2582 | } |
| 2583 | dirty_tx++; |
| 2584 | tx_left--; |
| 2585 | } |
| 2586 | |
| 2587 | if (tp->dirty_tx != dirty_tx) { |
| 2588 | tp->dirty_tx = dirty_tx; |
| 2589 | smp_wmb(); |
| 2590 | if (netif_queue_stopped(dev) && |
| 2591 | (TX_BUFFS_AVAIL(tp) >= MAX_SKB_FRAGS)) { |
| 2592 | netif_wake_queue(dev); |
| 2593 | } |
Francois Romieu | d78ae2d | 2007-08-26 20:08:19 +0200 | [diff] [blame] | 2594 | /* |
| 2595 | * 8168 hack: TxPoll requests are lost when the Tx packets are |
| 2596 | * too close. Let's kick an extra TxPoll request when a burst |
| 2597 | * of start_xmit activity is detected (if it is not detected, |
| 2598 | * it is slow enough). -- FR |
| 2599 | */ |
| 2600 | smp_rmb(); |
| 2601 | if (tp->cur_tx != dirty_tx) |
| 2602 | RTL_W8(TxPoll, NPQ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2603 | } |
| 2604 | } |
| 2605 | |
Francois Romieu | 126fa4b | 2005-05-12 20:09:17 -0400 | [diff] [blame] | 2606 | static inline int rtl8169_fragmented_frame(u32 status) |
| 2607 | { |
| 2608 | return (status & (FirstFrag | LastFrag)) != (FirstFrag | LastFrag); |
| 2609 | } |
| 2610 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2611 | static inline void rtl8169_rx_csum(struct sk_buff *skb, struct RxDesc *desc) |
| 2612 | { |
| 2613 | u32 opts1 = le32_to_cpu(desc->opts1); |
| 2614 | u32 status = opts1 & RxProtoMask; |
| 2615 | |
| 2616 | if (((status == RxProtoTCP) && !(opts1 & TCPFail)) || |
| 2617 | ((status == RxProtoUDP) && !(opts1 & UDPFail)) || |
| 2618 | ((status == RxProtoIP) && !(opts1 & IPFail))) |
| 2619 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
| 2620 | else |
| 2621 | skb->ip_summed = CHECKSUM_NONE; |
| 2622 | } |
| 2623 | |
Francois Romieu | 07d3f51 | 2007-02-21 22:40:46 +0100 | [diff] [blame] | 2624 | static inline bool rtl8169_try_rx_copy(struct sk_buff **sk_buff, |
| 2625 | struct rtl8169_private *tp, int pkt_size, |
| 2626 | dma_addr_t addr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2627 | { |
Stephen Hemminger | b449655 | 2007-06-17 01:06:49 +0200 | [diff] [blame] | 2628 | struct sk_buff *skb; |
| 2629 | bool done = false; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2630 | |
Stephen Hemminger | b449655 | 2007-06-17 01:06:49 +0200 | [diff] [blame] | 2631 | if (pkt_size >= rx_copybreak) |
| 2632 | goto out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2633 | |
Francois Romieu | 07d3f51 | 2007-02-21 22:40:46 +0100 | [diff] [blame] | 2634 | skb = netdev_alloc_skb(tp->dev, pkt_size + NET_IP_ALIGN); |
Stephen Hemminger | b449655 | 2007-06-17 01:06:49 +0200 | [diff] [blame] | 2635 | if (!skb) |
| 2636 | goto out; |
| 2637 | |
Francois Romieu | 07d3f51 | 2007-02-21 22:40:46 +0100 | [diff] [blame] | 2638 | pci_dma_sync_single_for_cpu(tp->pci_dev, addr, pkt_size, |
| 2639 | PCI_DMA_FROMDEVICE); |
Francois Romieu | 8640223 | 2007-02-20 22:20:51 +0100 | [diff] [blame] | 2640 | skb_reserve(skb, NET_IP_ALIGN); |
Stephen Hemminger | b449655 | 2007-06-17 01:06:49 +0200 | [diff] [blame] | 2641 | skb_copy_from_linear_data(*sk_buff, skb->data, pkt_size); |
| 2642 | *sk_buff = skb; |
| 2643 | done = true; |
| 2644 | out: |
| 2645 | return done; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2646 | } |
| 2647 | |
Francois Romieu | 07d3f51 | 2007-02-21 22:40:46 +0100 | [diff] [blame] | 2648 | static int rtl8169_rx_interrupt(struct net_device *dev, |
| 2649 | struct rtl8169_private *tp, |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 2650 | void __iomem *ioaddr, u32 budget) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2651 | { |
| 2652 | unsigned int cur_rx, rx_left; |
| 2653 | unsigned int delta, count; |
| 2654 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2655 | cur_rx = tp->cur_rx; |
| 2656 | rx_left = NUM_RX_DESC + tp->dirty_rx - cur_rx; |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 2657 | rx_left = rtl8169_rx_quota(rx_left, budget); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2658 | |
Richard Dawe | 4dcb7d3 | 2005-05-27 21:12:00 +0200 | [diff] [blame] | 2659 | for (; rx_left > 0; rx_left--, cur_rx++) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2660 | unsigned int entry = cur_rx % NUM_RX_DESC; |
Francois Romieu | 126fa4b | 2005-05-12 20:09:17 -0400 | [diff] [blame] | 2661 | struct RxDesc *desc = tp->RxDescArray + entry; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2662 | u32 status; |
| 2663 | |
| 2664 | rmb(); |
Francois Romieu | 126fa4b | 2005-05-12 20:09:17 -0400 | [diff] [blame] | 2665 | status = le32_to_cpu(desc->opts1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2666 | |
| 2667 | if (status & DescOwn) |
| 2668 | break; |
Richard Dawe | 4dcb7d3 | 2005-05-27 21:12:00 +0200 | [diff] [blame] | 2669 | if (unlikely(status & RxRES)) { |
Stephen Hemminger | b57b7e5 | 2005-05-27 21:11:52 +0200 | [diff] [blame] | 2670 | if (netif_msg_rx_err(tp)) { |
| 2671 | printk(KERN_INFO |
| 2672 | "%s: Rx ERROR. status = %08x\n", |
| 2673 | dev->name, status); |
| 2674 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2675 | tp->stats.rx_errors++; |
| 2676 | if (status & (RxRWT | RxRUNT)) |
| 2677 | tp->stats.rx_length_errors++; |
| 2678 | if (status & RxCRC) |
| 2679 | tp->stats.rx_crc_errors++; |
Francois Romieu | 9dccf61 | 2006-05-14 12:31:17 +0200 | [diff] [blame] | 2680 | if (status & RxFOVF) { |
| 2681 | rtl8169_schedule_work(dev, rtl8169_reset_task); |
| 2682 | tp->stats.rx_fifo_errors++; |
| 2683 | } |
Francois Romieu | 126fa4b | 2005-05-12 20:09:17 -0400 | [diff] [blame] | 2684 | rtl8169_mark_to_asic(desc, tp->rx_buf_sz); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2685 | } else { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2686 | struct sk_buff *skb = tp->Rx_skbuff[entry]; |
Stephen Hemminger | b449655 | 2007-06-17 01:06:49 +0200 | [diff] [blame] | 2687 | dma_addr_t addr = le64_to_cpu(desc->addr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2688 | int pkt_size = (status & 0x00001FFF) - 4; |
Stephen Hemminger | b449655 | 2007-06-17 01:06:49 +0200 | [diff] [blame] | 2689 | struct pci_dev *pdev = tp->pci_dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2690 | |
Francois Romieu | 126fa4b | 2005-05-12 20:09:17 -0400 | [diff] [blame] | 2691 | /* |
| 2692 | * The driver does not support incoming fragmented |
| 2693 | * frames. They are seen as a symptom of over-mtu |
| 2694 | * sized frames. |
| 2695 | */ |
| 2696 | if (unlikely(rtl8169_fragmented_frame(status))) { |
| 2697 | tp->stats.rx_dropped++; |
| 2698 | tp->stats.rx_length_errors++; |
| 2699 | rtl8169_mark_to_asic(desc, tp->rx_buf_sz); |
Richard Dawe | 4dcb7d3 | 2005-05-27 21:12:00 +0200 | [diff] [blame] | 2700 | continue; |
Francois Romieu | 126fa4b | 2005-05-12 20:09:17 -0400 | [diff] [blame] | 2701 | } |
| 2702 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2703 | rtl8169_rx_csum(skb, desc); |
Francois Romieu | bcf0bf9 | 2006-07-26 23:14:13 +0200 | [diff] [blame] | 2704 | |
Francois Romieu | 07d3f51 | 2007-02-21 22:40:46 +0100 | [diff] [blame] | 2705 | if (rtl8169_try_rx_copy(&skb, tp, pkt_size, addr)) { |
Stephen Hemminger | b449655 | 2007-06-17 01:06:49 +0200 | [diff] [blame] | 2706 | pci_dma_sync_single_for_device(pdev, addr, |
| 2707 | pkt_size, PCI_DMA_FROMDEVICE); |
| 2708 | rtl8169_mark_to_asic(desc, tp->rx_buf_sz); |
| 2709 | } else { |
| 2710 | pci_unmap_single(pdev, addr, pkt_size, |
| 2711 | PCI_DMA_FROMDEVICE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2712 | tp->Rx_skbuff[entry] = NULL; |
| 2713 | } |
| 2714 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2715 | skb_put(skb, pkt_size); |
| 2716 | skb->protocol = eth_type_trans(skb, dev); |
| 2717 | |
| 2718 | if (rtl8169_rx_vlan_skb(tp, desc, skb) < 0) |
| 2719 | rtl8169_rx_skb(skb); |
| 2720 | |
| 2721 | dev->last_rx = jiffies; |
| 2722 | tp->stats.rx_bytes += pkt_size; |
| 2723 | tp->stats.rx_packets++; |
| 2724 | } |
Francois Romieu | 6dccd16 | 2007-02-13 23:38:05 +0100 | [diff] [blame] | 2725 | |
| 2726 | /* Work around for AMD plateform. */ |
| 2727 | if ((desc->opts2 & 0xfffe000) && |
| 2728 | (tp->mac_version == RTL_GIGA_MAC_VER_05)) { |
| 2729 | desc->opts2 = 0; |
| 2730 | cur_rx++; |
| 2731 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2732 | } |
| 2733 | |
| 2734 | count = cur_rx - tp->cur_rx; |
| 2735 | tp->cur_rx = cur_rx; |
| 2736 | |
| 2737 | delta = rtl8169_rx_fill(tp, dev, tp->dirty_rx, tp->cur_rx); |
Stephen Hemminger | b57b7e5 | 2005-05-27 21:11:52 +0200 | [diff] [blame] | 2738 | if (!delta && count && netif_msg_intr(tp)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2739 | printk(KERN_INFO "%s: no Rx buffer allocated\n", dev->name); |
| 2740 | tp->dirty_rx += delta; |
| 2741 | |
| 2742 | /* |
| 2743 | * FIXME: until there is periodic timer to try and refill the ring, |
| 2744 | * a temporary shortage may definitely kill the Rx process. |
| 2745 | * - disable the asic to try and avoid an overflow and kick it again |
| 2746 | * after refill ? |
| 2747 | * - how do others driver handle this condition (Uh oh...). |
| 2748 | */ |
Stephen Hemminger | b57b7e5 | 2005-05-27 21:11:52 +0200 | [diff] [blame] | 2749 | if ((tp->dirty_rx + NUM_RX_DESC == tp->cur_rx) && netif_msg_intr(tp)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2750 | printk(KERN_EMERG "%s: Rx buffers exhausted\n", dev->name); |
| 2751 | |
| 2752 | return count; |
| 2753 | } |
| 2754 | |
Francois Romieu | 07d3f51 | 2007-02-21 22:40:46 +0100 | [diff] [blame] | 2755 | static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2756 | { |
Francois Romieu | 07d3f51 | 2007-02-21 22:40:46 +0100 | [diff] [blame] | 2757 | struct net_device *dev = dev_instance; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2758 | struct rtl8169_private *tp = netdev_priv(dev); |
| 2759 | int boguscnt = max_interrupt_work; |
| 2760 | void __iomem *ioaddr = tp->mmio_addr; |
| 2761 | int status; |
| 2762 | int handled = 0; |
| 2763 | |
| 2764 | do { |
| 2765 | status = RTL_R16(IntrStatus); |
| 2766 | |
| 2767 | /* hotplug/major error/no more work/shared irq */ |
| 2768 | if ((status == 0xFFFF) || !status) |
| 2769 | break; |
| 2770 | |
| 2771 | handled = 1; |
| 2772 | |
| 2773 | if (unlikely(!netif_running(dev))) { |
| 2774 | rtl8169_asic_down(ioaddr); |
| 2775 | goto out; |
| 2776 | } |
| 2777 | |
| 2778 | status &= tp->intr_mask; |
| 2779 | RTL_W16(IntrStatus, |
| 2780 | (status & RxFIFOOver) ? (status | RxOverflow) : status); |
| 2781 | |
Francois Romieu | 0e48515 | 2007-02-20 00:00:26 +0100 | [diff] [blame] | 2782 | if (!(status & tp->intr_event)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2783 | break; |
| 2784 | |
Francois Romieu | 0e48515 | 2007-02-20 00:00:26 +0100 | [diff] [blame] | 2785 | /* Work around for rx fifo overflow */ |
| 2786 | if (unlikely(status & RxFIFOOver) && |
| 2787 | (tp->mac_version == RTL_GIGA_MAC_VER_11)) { |
| 2788 | netif_stop_queue(dev); |
| 2789 | rtl8169_tx_timeout(dev); |
| 2790 | break; |
| 2791 | } |
| 2792 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2793 | if (unlikely(status & SYSErr)) { |
| 2794 | rtl8169_pcierr_interrupt(dev); |
| 2795 | break; |
| 2796 | } |
| 2797 | |
| 2798 | if (status & LinkChg) |
| 2799 | rtl8169_check_link_status(dev, tp, ioaddr); |
| 2800 | |
| 2801 | #ifdef CONFIG_R8169_NAPI |
Francois Romieu | 313b030 | 2007-08-02 00:00:48 +0200 | [diff] [blame] | 2802 | if (status & tp->napi_event) { |
| 2803 | RTL_W16(IntrMask, tp->intr_event & ~tp->napi_event); |
| 2804 | tp->intr_mask = ~tp->napi_event; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2805 | |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 2806 | if (likely(netif_rx_schedule_prep(dev, &tp->napi))) |
| 2807 | __netif_rx_schedule(dev, &tp->napi); |
Francois Romieu | 313b030 | 2007-08-02 00:00:48 +0200 | [diff] [blame] | 2808 | else if (netif_msg_intr(tp)) { |
| 2809 | printk(KERN_INFO "%s: interrupt %04x in poll\n", |
| 2810 | dev->name, status); |
| 2811 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2812 | } |
| 2813 | break; |
| 2814 | #else |
| 2815 | /* Rx interrupt */ |
Francois Romieu | 07d3f51 | 2007-02-21 22:40:46 +0100 | [diff] [blame] | 2816 | if (status & (RxOK | RxOverflow | RxFIFOOver)) |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 2817 | rtl8169_rx_interrupt(dev, tp, ioaddr, ~(u32)0); |
Francois Romieu | 07d3f51 | 2007-02-21 22:40:46 +0100 | [diff] [blame] | 2818 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2819 | /* Tx interrupt */ |
| 2820 | if (status & (TxOK | TxErr)) |
| 2821 | rtl8169_tx_interrupt(dev, tp, ioaddr); |
| 2822 | #endif |
| 2823 | |
| 2824 | boguscnt--; |
| 2825 | } while (boguscnt > 0); |
| 2826 | |
| 2827 | if (boguscnt <= 0) { |
Francois Romieu | 7c8b2eb | 2005-11-16 23:44:05 +0100 | [diff] [blame] | 2828 | if (netif_msg_intr(tp) && net_ratelimit() ) { |
Stephen Hemminger | b57b7e5 | 2005-05-27 21:11:52 +0200 | [diff] [blame] | 2829 | printk(KERN_WARNING |
| 2830 | "%s: Too much work at interrupt!\n", dev->name); |
| 2831 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2832 | /* Clear all interrupt sources. */ |
| 2833 | RTL_W16(IntrStatus, 0xffff); |
| 2834 | } |
| 2835 | out: |
| 2836 | return IRQ_RETVAL(handled); |
| 2837 | } |
| 2838 | |
| 2839 | #ifdef CONFIG_R8169_NAPI |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 2840 | static int rtl8169_poll(struct napi_struct *napi, int budget) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2841 | { |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 2842 | struct rtl8169_private *tp = container_of(napi, struct rtl8169_private, napi); |
| 2843 | struct net_device *dev = tp->dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2844 | void __iomem *ioaddr = tp->mmio_addr; |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 2845 | int work_done; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2846 | |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 2847 | work_done = rtl8169_rx_interrupt(dev, tp, ioaddr, (u32) budget); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2848 | rtl8169_tx_interrupt(dev, tp, ioaddr); |
| 2849 | |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 2850 | if (work_done < budget) { |
| 2851 | netif_rx_complete(dev, napi); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2852 | tp->intr_mask = 0xffff; |
| 2853 | /* |
| 2854 | * 20040426: the barrier is not strictly required but the |
| 2855 | * behavior of the irq handler could be less predictable |
| 2856 | * without it. Btw, the lack of flush for the posted pci |
| 2857 | * write is safe - FR |
| 2858 | */ |
| 2859 | smp_wmb(); |
Francois Romieu | 0e48515 | 2007-02-20 00:00:26 +0100 | [diff] [blame] | 2860 | RTL_W16(IntrMask, tp->intr_event); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2861 | } |
| 2862 | |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 2863 | return work_done; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2864 | } |
| 2865 | #endif |
| 2866 | |
| 2867 | static void rtl8169_down(struct net_device *dev) |
| 2868 | { |
| 2869 | struct rtl8169_private *tp = netdev_priv(dev); |
| 2870 | void __iomem *ioaddr = tp->mmio_addr; |
| 2871 | unsigned int poll_locked = 0; |
Arnaud Patard | 733b736 | 2006-10-12 22:33:31 +0200 | [diff] [blame] | 2872 | unsigned int intrmask; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2873 | |
| 2874 | rtl8169_delete_timer(dev); |
| 2875 | |
| 2876 | netif_stop_queue(dev); |
| 2877 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2878 | core_down: |
| 2879 | spin_lock_irq(&tp->lock); |
| 2880 | |
| 2881 | rtl8169_asic_down(ioaddr); |
| 2882 | |
| 2883 | /* Update the error counts. */ |
| 2884 | tp->stats.rx_missed_errors += RTL_R32(RxMissed); |
| 2885 | RTL_W32(RxMissed, 0); |
| 2886 | |
| 2887 | spin_unlock_irq(&tp->lock); |
| 2888 | |
| 2889 | synchronize_irq(dev->irq); |
| 2890 | |
| 2891 | if (!poll_locked) { |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 2892 | napi_disable(&tp->napi); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2893 | poll_locked++; |
| 2894 | } |
| 2895 | |
| 2896 | /* Give a racing hard_start_xmit a few cycles to complete. */ |
Paul E. McKenney | fbd568a3e | 2005-05-01 08:59:04 -0700 | [diff] [blame] | 2897 | synchronize_sched(); /* FIXME: should this be synchronize_irq()? */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2898 | |
| 2899 | /* |
| 2900 | * And now for the 50k$ question: are IRQ disabled or not ? |
| 2901 | * |
| 2902 | * Two paths lead here: |
| 2903 | * 1) dev->close |
| 2904 | * -> netif_running() is available to sync the current code and the |
| 2905 | * IRQ handler. See rtl8169_interrupt for details. |
| 2906 | * 2) dev->change_mtu |
| 2907 | * -> rtl8169_poll can not be issued again and re-enable the |
| 2908 | * interruptions. Let's simply issue the IRQ down sequence again. |
Arnaud Patard | 733b736 | 2006-10-12 22:33:31 +0200 | [diff] [blame] | 2909 | * |
| 2910 | * No loop if hotpluged or major error (0xffff). |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2911 | */ |
Arnaud Patard | 733b736 | 2006-10-12 22:33:31 +0200 | [diff] [blame] | 2912 | intrmask = RTL_R16(IntrMask); |
| 2913 | if (intrmask && (intrmask != 0xffff)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2914 | goto core_down; |
| 2915 | |
| 2916 | rtl8169_tx_clear(tp); |
| 2917 | |
| 2918 | rtl8169_rx_clear(tp); |
| 2919 | } |
| 2920 | |
| 2921 | static int rtl8169_close(struct net_device *dev) |
| 2922 | { |
| 2923 | struct rtl8169_private *tp = netdev_priv(dev); |
| 2924 | struct pci_dev *pdev = tp->pci_dev; |
| 2925 | |
| 2926 | rtl8169_down(dev); |
| 2927 | |
| 2928 | free_irq(dev->irq, dev); |
| 2929 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2930 | pci_free_consistent(pdev, R8169_RX_RING_BYTES, tp->RxDescArray, |
| 2931 | tp->RxPhyAddr); |
| 2932 | pci_free_consistent(pdev, R8169_TX_RING_BYTES, tp->TxDescArray, |
| 2933 | tp->TxPhyAddr); |
| 2934 | tp->TxDescArray = NULL; |
| 2935 | tp->RxDescArray = NULL; |
| 2936 | |
| 2937 | return 0; |
| 2938 | } |
| 2939 | |
Francois Romieu | 07ce406 | 2007-02-23 23:36:39 +0100 | [diff] [blame] | 2940 | static void rtl_set_rx_mode(struct net_device *dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2941 | { |
| 2942 | struct rtl8169_private *tp = netdev_priv(dev); |
| 2943 | void __iomem *ioaddr = tp->mmio_addr; |
| 2944 | unsigned long flags; |
| 2945 | u32 mc_filter[2]; /* Multicast hash filter */ |
Francois Romieu | 07d3f51 | 2007-02-21 22:40:46 +0100 | [diff] [blame] | 2946 | int rx_mode; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2947 | u32 tmp = 0; |
| 2948 | |
| 2949 | if (dev->flags & IFF_PROMISC) { |
| 2950 | /* Unconditionally log net taps. */ |
Stephen Hemminger | b57b7e5 | 2005-05-27 21:11:52 +0200 | [diff] [blame] | 2951 | if (netif_msg_link(tp)) { |
| 2952 | printk(KERN_NOTICE "%s: Promiscuous mode enabled.\n", |
| 2953 | dev->name); |
| 2954 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2955 | rx_mode = |
| 2956 | AcceptBroadcast | AcceptMulticast | AcceptMyPhys | |
| 2957 | AcceptAllPhys; |
| 2958 | mc_filter[1] = mc_filter[0] = 0xffffffff; |
| 2959 | } else if ((dev->mc_count > multicast_filter_limit) |
| 2960 | || (dev->flags & IFF_ALLMULTI)) { |
| 2961 | /* Too many to filter perfectly -- accept all multicasts. */ |
| 2962 | rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys; |
| 2963 | mc_filter[1] = mc_filter[0] = 0xffffffff; |
| 2964 | } else { |
| 2965 | struct dev_mc_list *mclist; |
Francois Romieu | 07d3f51 | 2007-02-21 22:40:46 +0100 | [diff] [blame] | 2966 | unsigned int i; |
| 2967 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2968 | rx_mode = AcceptBroadcast | AcceptMyPhys; |
| 2969 | mc_filter[1] = mc_filter[0] = 0; |
| 2970 | for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count; |
| 2971 | i++, mclist = mclist->next) { |
| 2972 | int bit_nr = ether_crc(ETH_ALEN, mclist->dmi_addr) >> 26; |
| 2973 | mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31); |
| 2974 | rx_mode |= AcceptMulticast; |
| 2975 | } |
| 2976 | } |
| 2977 | |
| 2978 | spin_lock_irqsave(&tp->lock, flags); |
| 2979 | |
| 2980 | tmp = rtl8169_rx_config | rx_mode | |
| 2981 | (RTL_R32(RxConfig) & rtl_chip_info[tp->chipset].RxConfigMask); |
| 2982 | |
Francois Romieu | bcf0bf9 | 2006-07-26 23:14:13 +0200 | [diff] [blame] | 2983 | if ((tp->mac_version == RTL_GIGA_MAC_VER_11) || |
| 2984 | (tp->mac_version == RTL_GIGA_MAC_VER_12) || |
| 2985 | (tp->mac_version == RTL_GIGA_MAC_VER_13) || |
| 2986 | (tp->mac_version == RTL_GIGA_MAC_VER_14) || |
| 2987 | (tp->mac_version == RTL_GIGA_MAC_VER_15)) { |
| 2988 | mc_filter[0] = 0xffffffff; |
| 2989 | mc_filter[1] = 0xffffffff; |
| 2990 | } |
| 2991 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2992 | RTL_W32(MAR0 + 0, mc_filter[0]); |
| 2993 | RTL_W32(MAR0 + 4, mc_filter[1]); |
| 2994 | |
Francois Romieu | 57a9f23 | 2007-06-04 22:10:15 +0200 | [diff] [blame] | 2995 | RTL_W32(RxConfig, tmp); |
| 2996 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2997 | spin_unlock_irqrestore(&tp->lock, flags); |
| 2998 | } |
| 2999 | |
| 3000 | /** |
| 3001 | * rtl8169_get_stats - Get rtl8169 read/write statistics |
| 3002 | * @dev: The Ethernet Device to get statistics for |
| 3003 | * |
| 3004 | * Get TX/RX statistics for rtl8169 |
| 3005 | */ |
| 3006 | static struct net_device_stats *rtl8169_get_stats(struct net_device *dev) |
| 3007 | { |
| 3008 | struct rtl8169_private *tp = netdev_priv(dev); |
| 3009 | void __iomem *ioaddr = tp->mmio_addr; |
| 3010 | unsigned long flags; |
| 3011 | |
| 3012 | if (netif_running(dev)) { |
| 3013 | spin_lock_irqsave(&tp->lock, flags); |
| 3014 | tp->stats.rx_missed_errors += RTL_R32(RxMissed); |
| 3015 | RTL_W32(RxMissed, 0); |
| 3016 | spin_unlock_irqrestore(&tp->lock, flags); |
| 3017 | } |
Francois Romieu | 5b0384f | 2006-08-16 16:00:01 +0200 | [diff] [blame] | 3018 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3019 | return &tp->stats; |
| 3020 | } |
| 3021 | |
Francois Romieu | 5d06a99 | 2006-02-23 00:47:58 +0100 | [diff] [blame] | 3022 | #ifdef CONFIG_PM |
| 3023 | |
| 3024 | static int rtl8169_suspend(struct pci_dev *pdev, pm_message_t state) |
| 3025 | { |
| 3026 | struct net_device *dev = pci_get_drvdata(pdev); |
| 3027 | struct rtl8169_private *tp = netdev_priv(dev); |
| 3028 | void __iomem *ioaddr = tp->mmio_addr; |
| 3029 | |
| 3030 | if (!netif_running(dev)) |
Francois Romieu | 1371fa6 | 2007-04-02 23:01:11 +0200 | [diff] [blame] | 3031 | goto out_pci_suspend; |
Francois Romieu | 5d06a99 | 2006-02-23 00:47:58 +0100 | [diff] [blame] | 3032 | |
| 3033 | netif_device_detach(dev); |
| 3034 | netif_stop_queue(dev); |
| 3035 | |
| 3036 | spin_lock_irq(&tp->lock); |
| 3037 | |
| 3038 | rtl8169_asic_down(ioaddr); |
| 3039 | |
| 3040 | tp->stats.rx_missed_errors += RTL_R32(RxMissed); |
| 3041 | RTL_W32(RxMissed, 0); |
| 3042 | |
| 3043 | spin_unlock_irq(&tp->lock); |
| 3044 | |
Francois Romieu | 1371fa6 | 2007-04-02 23:01:11 +0200 | [diff] [blame] | 3045 | out_pci_suspend: |
Francois Romieu | 5d06a99 | 2006-02-23 00:47:58 +0100 | [diff] [blame] | 3046 | pci_save_state(pdev); |
Francois Romieu | 61a4dcc | 2006-02-23 00:55:25 +0100 | [diff] [blame] | 3047 | pci_enable_wake(pdev, pci_choose_state(pdev, state), tp->wol_enabled); |
Francois Romieu | 5d06a99 | 2006-02-23 00:47:58 +0100 | [diff] [blame] | 3048 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); |
Francois Romieu | 1371fa6 | 2007-04-02 23:01:11 +0200 | [diff] [blame] | 3049 | |
Francois Romieu | 5d06a99 | 2006-02-23 00:47:58 +0100 | [diff] [blame] | 3050 | return 0; |
| 3051 | } |
| 3052 | |
| 3053 | static int rtl8169_resume(struct pci_dev *pdev) |
| 3054 | { |
| 3055 | struct net_device *dev = pci_get_drvdata(pdev); |
| 3056 | |
Francois Romieu | 1371fa6 | 2007-04-02 23:01:11 +0200 | [diff] [blame] | 3057 | pci_set_power_state(pdev, PCI_D0); |
| 3058 | pci_restore_state(pdev); |
| 3059 | pci_enable_wake(pdev, PCI_D0, 0); |
| 3060 | |
Francois Romieu | 5d06a99 | 2006-02-23 00:47:58 +0100 | [diff] [blame] | 3061 | if (!netif_running(dev)) |
| 3062 | goto out; |
| 3063 | |
| 3064 | netif_device_attach(dev); |
| 3065 | |
Francois Romieu | 5d06a99 | 2006-02-23 00:47:58 +0100 | [diff] [blame] | 3066 | rtl8169_schedule_work(dev, rtl8169_reset_task); |
| 3067 | out: |
| 3068 | return 0; |
| 3069 | } |
| 3070 | |
| 3071 | #endif /* CONFIG_PM */ |
| 3072 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3073 | static struct pci_driver rtl8169_pci_driver = { |
| 3074 | .name = MODULENAME, |
| 3075 | .id_table = rtl8169_pci_tbl, |
| 3076 | .probe = rtl8169_init_one, |
| 3077 | .remove = __devexit_p(rtl8169_remove_one), |
| 3078 | #ifdef CONFIG_PM |
| 3079 | .suspend = rtl8169_suspend, |
| 3080 | .resume = rtl8169_resume, |
| 3081 | #endif |
| 3082 | }; |
| 3083 | |
Francois Romieu | 07d3f51 | 2007-02-21 22:40:46 +0100 | [diff] [blame] | 3084 | static int __init rtl8169_init_module(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3085 | { |
Jeff Garzik | 2991762 | 2006-08-19 17:48:59 -0400 | [diff] [blame] | 3086 | return pci_register_driver(&rtl8169_pci_driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3087 | } |
| 3088 | |
Francois Romieu | 07d3f51 | 2007-02-21 22:40:46 +0100 | [diff] [blame] | 3089 | static void __exit rtl8169_cleanup_module(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3090 | { |
| 3091 | pci_unregister_driver(&rtl8169_pci_driver); |
| 3092 | } |
| 3093 | |
| 3094 | module_init(rtl8169_init_module); |
| 3095 | module_exit(rtl8169_cleanup_module); |