1 /* 2 * Copyright(c) 2007 Atheros Corporation. All rights reserved. 3 * 4 * Derived from Intel e1000 driver 5 * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. 6 * 7 * This program is free software; you can redistribute it and/or modify it 8 * under the terms of the GNU General Public License as published by the Free 9 * Software Foundation; either version 2 of the License, or (at your option) 10 * any later version. 11 * 12 * This program is distributed in the hope that it will be useful, but WITHOUT 13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 15 * more details. 16 * 17 * You should have received a copy of the GNU General Public License along with 18 * this program; if not, write to the Free Software Foundation, Inc., 59 19 * Temple Place - Suite 330, Boston, MA 02111-1307, USA. 20 * 21 */ 22 23 #include <linux/netdevice.h> 24 #include <linux/ethtool.h> 25 #include <linux/slab.h> 26 27 #include "atl1e.h" 28 29 static int atl1e_get_link_ksettings(struct net_device *netdev, 30 struct ethtool_link_ksettings *cmd) 31 { 32 struct atl1e_adapter *adapter = netdev_priv(netdev); 33 struct atl1e_hw *hw = &adapter->hw; 34 u32 supported, advertising; 35 36 supported = (SUPPORTED_10baseT_Half | 37 SUPPORTED_10baseT_Full | 38 SUPPORTED_100baseT_Half | 39 SUPPORTED_100baseT_Full | 40 SUPPORTED_Autoneg | 41 SUPPORTED_TP); 42 if (hw->nic_type == athr_l1e) 43 supported |= SUPPORTED_1000baseT_Full; 44 45 advertising = ADVERTISED_TP; 46 47 advertising |= ADVERTISED_Autoneg; 48 advertising |= hw->autoneg_advertised; 49 50 cmd->base.port = PORT_TP; 51 cmd->base.phy_address = 0; 52 53 if (adapter->link_speed != SPEED_0) { 54 cmd->base.speed = adapter->link_speed; 55 if (adapter->link_duplex == FULL_DUPLEX) 56 cmd->base.duplex = DUPLEX_FULL; 57 else 58 cmd->base.duplex = DUPLEX_HALF; 59 } else { 60 cmd->base.speed = SPEED_UNKNOWN; 61 cmd->base.duplex = DUPLEX_UNKNOWN; 62 } 63 64 cmd->base.autoneg = AUTONEG_ENABLE; 65 66 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported, 67 supported); 68 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising, 69 advertising); 70 71 return 0; 72 } 73 74 static int atl1e_set_link_ksettings(struct net_device *netdev, 75 const struct ethtool_link_ksettings *cmd) 76 { 77 struct atl1e_adapter *adapter = netdev_priv(netdev); 78 struct atl1e_hw *hw = &adapter->hw; 79 u32 advertising; 80 81 ethtool_convert_link_mode_to_legacy_u32(&advertising, 82 cmd->link_modes.advertising); 83 84 while (test_and_set_bit(__AT_RESETTING, &adapter->flags)) 85 msleep(1); 86 87 if (cmd->base.autoneg == AUTONEG_ENABLE) { 88 u16 adv4, adv9; 89 90 if (advertising & ADVERTISE_1000_FULL) { 91 if (hw->nic_type == athr_l1e) { 92 hw->autoneg_advertised = 93 advertising & AT_ADV_MASK; 94 } else { 95 clear_bit(__AT_RESETTING, &adapter->flags); 96 return -EINVAL; 97 } 98 } else if (advertising & ADVERTISE_1000_HALF) { 99 clear_bit(__AT_RESETTING, &adapter->flags); 100 return -EINVAL; 101 } else { 102 hw->autoneg_advertised = 103 advertising & AT_ADV_MASK; 104 } 105 advertising = hw->autoneg_advertised | 106 ADVERTISED_TP | ADVERTISED_Autoneg; 107 108 adv4 = hw->mii_autoneg_adv_reg & ~ADVERTISE_ALL; 109 adv9 = hw->mii_1000t_ctrl_reg & ~MII_AT001_CR_1000T_SPEED_MASK; 110 if (hw->autoneg_advertised & ADVERTISE_10_HALF) 111 adv4 |= ADVERTISE_10HALF; 112 if (hw->autoneg_advertised & ADVERTISE_10_FULL) 113 adv4 |= ADVERTISE_10FULL; 114 if (hw->autoneg_advertised & ADVERTISE_100_HALF) 115 adv4 |= ADVERTISE_100HALF; 116 if (hw->autoneg_advertised & ADVERTISE_100_FULL) 117 adv4 |= ADVERTISE_100FULL; 118 if (hw->autoneg_advertised & ADVERTISE_1000_FULL) 119 adv9 |= ADVERTISE_1000FULL; 120 121 if (adv4 != hw->mii_autoneg_adv_reg || 122 adv9 != hw->mii_1000t_ctrl_reg) { 123 hw->mii_autoneg_adv_reg = adv4; 124 hw->mii_1000t_ctrl_reg = adv9; 125 hw->re_autoneg = true; 126 } 127 128 } else { 129 clear_bit(__AT_RESETTING, &adapter->flags); 130 return -EINVAL; 131 } 132 133 /* reset the link */ 134 135 if (netif_running(adapter->netdev)) { 136 atl1e_down(adapter); 137 atl1e_up(adapter); 138 } else 139 atl1e_reset_hw(&adapter->hw); 140 141 clear_bit(__AT_RESETTING, &adapter->flags); 142 return 0; 143 } 144 145 static u32 atl1e_get_msglevel(struct net_device *netdev) 146 { 147 #ifdef DBG 148 return 1; 149 #else 150 return 0; 151 #endif 152 } 153 154 static int atl1e_get_regs_len(struct net_device *netdev) 155 { 156 return AT_REGS_LEN * sizeof(u32); 157 } 158 159 static void atl1e_get_regs(struct net_device *netdev, 160 struct ethtool_regs *regs, void *p) 161 { 162 struct atl1e_adapter *adapter = netdev_priv(netdev); 163 struct atl1e_hw *hw = &adapter->hw; 164 u32 *regs_buff = p; 165 u16 phy_data; 166 167 memset(p, 0, AT_REGS_LEN * sizeof(u32)); 168 169 regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id; 170 171 regs_buff[0] = AT_READ_REG(hw, REG_VPD_CAP); 172 regs_buff[1] = AT_READ_REG(hw, REG_SPI_FLASH_CTRL); 173 regs_buff[2] = AT_READ_REG(hw, REG_SPI_FLASH_CONFIG); 174 regs_buff[3] = AT_READ_REG(hw, REG_TWSI_CTRL); 175 regs_buff[4] = AT_READ_REG(hw, REG_PCIE_DEV_MISC_CTRL); 176 regs_buff[5] = AT_READ_REG(hw, REG_MASTER_CTRL); 177 regs_buff[6] = AT_READ_REG(hw, REG_MANUAL_TIMER_INIT); 178 regs_buff[7] = AT_READ_REG(hw, REG_IRQ_MODU_TIMER_INIT); 179 regs_buff[8] = AT_READ_REG(hw, REG_GPHY_CTRL); 180 regs_buff[9] = AT_READ_REG(hw, REG_CMBDISDMA_TIMER); 181 regs_buff[10] = AT_READ_REG(hw, REG_IDLE_STATUS); 182 regs_buff[11] = AT_READ_REG(hw, REG_MDIO_CTRL); 183 regs_buff[12] = AT_READ_REG(hw, REG_SERDES_LOCK); 184 regs_buff[13] = AT_READ_REG(hw, REG_MAC_CTRL); 185 regs_buff[14] = AT_READ_REG(hw, REG_MAC_IPG_IFG); 186 regs_buff[15] = AT_READ_REG(hw, REG_MAC_STA_ADDR); 187 regs_buff[16] = AT_READ_REG(hw, REG_MAC_STA_ADDR+4); 188 regs_buff[17] = AT_READ_REG(hw, REG_RX_HASH_TABLE); 189 regs_buff[18] = AT_READ_REG(hw, REG_RX_HASH_TABLE+4); 190 regs_buff[19] = AT_READ_REG(hw, REG_MAC_HALF_DUPLX_CTRL); 191 regs_buff[20] = AT_READ_REG(hw, REG_MTU); 192 regs_buff[21] = AT_READ_REG(hw, REG_WOL_CTRL); 193 regs_buff[22] = AT_READ_REG(hw, REG_SRAM_TRD_ADDR); 194 regs_buff[23] = AT_READ_REG(hw, REG_SRAM_TRD_LEN); 195 regs_buff[24] = AT_READ_REG(hw, REG_SRAM_RXF_ADDR); 196 regs_buff[25] = AT_READ_REG(hw, REG_SRAM_RXF_LEN); 197 regs_buff[26] = AT_READ_REG(hw, REG_SRAM_TXF_ADDR); 198 regs_buff[27] = AT_READ_REG(hw, REG_SRAM_TXF_LEN); 199 regs_buff[28] = AT_READ_REG(hw, REG_SRAM_TCPH_ADDR); 200 regs_buff[29] = AT_READ_REG(hw, REG_SRAM_PKTH_ADDR); 201 202 atl1e_read_phy_reg(hw, MII_BMCR, &phy_data); 203 regs_buff[73] = (u32)phy_data; 204 atl1e_read_phy_reg(hw, MII_BMSR, &phy_data); 205 regs_buff[74] = (u32)phy_data; 206 } 207 208 static int atl1e_get_eeprom_len(struct net_device *netdev) 209 { 210 struct atl1e_adapter *adapter = netdev_priv(netdev); 211 212 if (!atl1e_check_eeprom_exist(&adapter->hw)) 213 return AT_EEPROM_LEN; 214 else 215 return 0; 216 } 217 218 static int atl1e_get_eeprom(struct net_device *netdev, 219 struct ethtool_eeprom *eeprom, u8 *bytes) 220 { 221 struct atl1e_adapter *adapter = netdev_priv(netdev); 222 struct atl1e_hw *hw = &adapter->hw; 223 u32 *eeprom_buff; 224 int first_dword, last_dword; 225 int ret_val = 0; 226 int i; 227 228 if (eeprom->len == 0) 229 return -EINVAL; 230 231 if (atl1e_check_eeprom_exist(hw)) /* not exist */ 232 return -EINVAL; 233 234 eeprom->magic = hw->vendor_id | (hw->device_id << 16); 235 236 first_dword = eeprom->offset >> 2; 237 last_dword = (eeprom->offset + eeprom->len - 1) >> 2; 238 239 eeprom_buff = kmalloc_array(last_dword - first_dword + 1, sizeof(u32), 240 GFP_KERNEL); 241 if (eeprom_buff == NULL) 242 return -ENOMEM; 243 244 for (i = first_dword; i < last_dword; i++) { 245 if (!atl1e_read_eeprom(hw, i * 4, &(eeprom_buff[i-first_dword]))) { 246 kfree(eeprom_buff); 247 return -EIO; 248 } 249 } 250 251 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 3), 252 eeprom->len); 253 kfree(eeprom_buff); 254 255 return ret_val; 256 } 257 258 static int atl1e_set_eeprom(struct net_device *netdev, 259 struct ethtool_eeprom *eeprom, u8 *bytes) 260 { 261 struct atl1e_adapter *adapter = netdev_priv(netdev); 262 struct atl1e_hw *hw = &adapter->hw; 263 u32 *eeprom_buff; 264 u32 *ptr; 265 int first_dword, last_dword; 266 int ret_val = 0; 267 int i; 268 269 if (eeprom->len == 0) 270 return -EOPNOTSUPP; 271 272 if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16))) 273 return -EINVAL; 274 275 first_dword = eeprom->offset >> 2; 276 last_dword = (eeprom->offset + eeprom->len - 1) >> 2; 277 eeprom_buff = kmalloc(AT_EEPROM_LEN, GFP_KERNEL); 278 if (eeprom_buff == NULL) 279 return -ENOMEM; 280 281 ptr = eeprom_buff; 282 283 if (eeprom->offset & 3) { 284 /* need read/modify/write of first changed EEPROM word */ 285 /* only the second byte of the word is being modified */ 286 if (!atl1e_read_eeprom(hw, first_dword * 4, &(eeprom_buff[0]))) { 287 ret_val = -EIO; 288 goto out; 289 } 290 ptr++; 291 } 292 if (((eeprom->offset + eeprom->len) & 3)) { 293 /* need read/modify/write of last changed EEPROM word */ 294 /* only the first byte of the word is being modified */ 295 296 if (!atl1e_read_eeprom(hw, last_dword * 4, 297 &(eeprom_buff[last_dword - first_dword]))) { 298 ret_val = -EIO; 299 goto out; 300 } 301 } 302 303 /* Device's eeprom is always little-endian, word addressable */ 304 memcpy(ptr, bytes, eeprom->len); 305 306 for (i = 0; i < last_dword - first_dword + 1; i++) { 307 if (!atl1e_write_eeprom(hw, ((first_dword + i) * 4), 308 eeprom_buff[i])) { 309 ret_val = -EIO; 310 goto out; 311 } 312 } 313 out: 314 kfree(eeprom_buff); 315 return ret_val; 316 } 317 318 static void atl1e_get_drvinfo(struct net_device *netdev, 319 struct ethtool_drvinfo *drvinfo) 320 { 321 struct atl1e_adapter *adapter = netdev_priv(netdev); 322 323 strlcpy(drvinfo->driver, atl1e_driver_name, sizeof(drvinfo->driver)); 324 strlcpy(drvinfo->version, atl1e_driver_version, 325 sizeof(drvinfo->version)); 326 strlcpy(drvinfo->fw_version, "L1e", sizeof(drvinfo->fw_version)); 327 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev), 328 sizeof(drvinfo->bus_info)); 329 } 330 331 static void atl1e_get_wol(struct net_device *netdev, 332 struct ethtool_wolinfo *wol) 333 { 334 struct atl1e_adapter *adapter = netdev_priv(netdev); 335 336 wol->supported = WAKE_MAGIC | WAKE_PHY; 337 wol->wolopts = 0; 338 339 if (adapter->wol & AT_WUFC_EX) 340 wol->wolopts |= WAKE_UCAST; 341 if (adapter->wol & AT_WUFC_MC) 342 wol->wolopts |= WAKE_MCAST; 343 if (adapter->wol & AT_WUFC_BC) 344 wol->wolopts |= WAKE_BCAST; 345 if (adapter->wol & AT_WUFC_MAG) 346 wol->wolopts |= WAKE_MAGIC; 347 if (adapter->wol & AT_WUFC_LNKC) 348 wol->wolopts |= WAKE_PHY; 349 } 350 351 static int atl1e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 352 { 353 struct atl1e_adapter *adapter = netdev_priv(netdev); 354 355 if (wol->wolopts & (WAKE_ARP | WAKE_MAGICSECURE | 356 WAKE_UCAST | WAKE_MCAST | WAKE_BCAST)) 357 return -EOPNOTSUPP; 358 /* these settings will always override what we currently have */ 359 adapter->wol = 0; 360 361 if (wol->wolopts & WAKE_MAGIC) 362 adapter->wol |= AT_WUFC_MAG; 363 if (wol->wolopts & WAKE_PHY) 364 adapter->wol |= AT_WUFC_LNKC; 365 366 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol); 367 368 return 0; 369 } 370 371 static int atl1e_nway_reset(struct net_device *netdev) 372 { 373 struct atl1e_adapter *adapter = netdev_priv(netdev); 374 if (netif_running(netdev)) 375 atl1e_reinit_locked(adapter); 376 return 0; 377 } 378 379 static const struct ethtool_ops atl1e_ethtool_ops = { 380 .get_drvinfo = atl1e_get_drvinfo, 381 .get_regs_len = atl1e_get_regs_len, 382 .get_regs = atl1e_get_regs, 383 .get_wol = atl1e_get_wol, 384 .set_wol = atl1e_set_wol, 385 .get_msglevel = atl1e_get_msglevel, 386 .nway_reset = atl1e_nway_reset, 387 .get_link = ethtool_op_get_link, 388 .get_eeprom_len = atl1e_get_eeprom_len, 389 .get_eeprom = atl1e_get_eeprom, 390 .set_eeprom = atl1e_set_eeprom, 391 .get_link_ksettings = atl1e_get_link_ksettings, 392 .set_link_ksettings = atl1e_set_link_ksettings, 393 }; 394 395 void atl1e_set_ethtool_ops(struct net_device *netdev) 396 { 397 netdev->ethtool_ops = &atl1e_ethtool_ops; 398 } 399