1 // SPDX-License-Identifier: GPL-2.0 2 #include <linux/kernel.h> 3 #include <linux/types.h> 4 #include <linux/module.h> 5 #include <linux/list.h> 6 #include <linux/pci.h> 7 #include <linux/dma-mapping.h> 8 #include <linux/pagemap.h> 9 #include <linux/sched.h> 10 #include <linux/dmapool.h> 11 #include <linux/mempool.h> 12 #include <linux/spinlock.h> 13 #include <linux/kthread.h> 14 #include <linux/interrupt.h> 15 #include <linux/errno.h> 16 #include <linux/ioport.h> 17 #include <linux/in.h> 18 #include <linux/ip.h> 19 #include <linux/ipv6.h> 20 #include <net/ipv6.h> 21 #include <linux/tcp.h> 22 #include <linux/udp.h> 23 #include <linux/if_arp.h> 24 #include <linux/if_ether.h> 25 #include <linux/netdevice.h> 26 #include <linux/etherdevice.h> 27 #include <linux/ethtool.h> 28 #include <linux/skbuff.h> 29 #include <linux/rtnetlink.h> 30 #include <linux/if_vlan.h> 31 #include <linux/delay.h> 32 #include <linux/mm.h> 33 #include <linux/vmalloc.h> 34 35 #include "qlge.h" 36 37 struct ql_stats { 38 char stat_string[ETH_GSTRING_LEN]; 39 int sizeof_stat; 40 int stat_offset; 41 }; 42 43 #define QL_SIZEOF(m) sizeof_field(struct ql_adapter, m) 44 #define QL_OFF(m) offsetof(struct ql_adapter, m) 45 46 static const struct ql_stats ql_gstrings_stats[] = { 47 {"tx_pkts", QL_SIZEOF(nic_stats.tx_pkts), QL_OFF(nic_stats.tx_pkts)}, 48 {"tx_bytes", QL_SIZEOF(nic_stats.tx_bytes), QL_OFF(nic_stats.tx_bytes)}, 49 {"tx_mcast_pkts", QL_SIZEOF(nic_stats.tx_mcast_pkts), 50 QL_OFF(nic_stats.tx_mcast_pkts)}, 51 {"tx_bcast_pkts", QL_SIZEOF(nic_stats.tx_bcast_pkts), 52 QL_OFF(nic_stats.tx_bcast_pkts)}, 53 {"tx_ucast_pkts", QL_SIZEOF(nic_stats.tx_ucast_pkts), 54 QL_OFF(nic_stats.tx_ucast_pkts)}, 55 {"tx_ctl_pkts", QL_SIZEOF(nic_stats.tx_ctl_pkts), 56 QL_OFF(nic_stats.tx_ctl_pkts)}, 57 {"tx_pause_pkts", QL_SIZEOF(nic_stats.tx_pause_pkts), 58 QL_OFF(nic_stats.tx_pause_pkts)}, 59 {"tx_64_pkts", QL_SIZEOF(nic_stats.tx_64_pkt), 60 QL_OFF(nic_stats.tx_64_pkt)}, 61 {"tx_65_to_127_pkts", QL_SIZEOF(nic_stats.tx_65_to_127_pkt), 62 QL_OFF(nic_stats.tx_65_to_127_pkt)}, 63 {"tx_128_to_255_pkts", QL_SIZEOF(nic_stats.tx_128_to_255_pkt), 64 QL_OFF(nic_stats.tx_128_to_255_pkt)}, 65 {"tx_256_511_pkts", QL_SIZEOF(nic_stats.tx_256_511_pkt), 66 QL_OFF(nic_stats.tx_256_511_pkt)}, 67 {"tx_512_to_1023_pkts", QL_SIZEOF(nic_stats.tx_512_to_1023_pkt), 68 QL_OFF(nic_stats.tx_512_to_1023_pkt)}, 69 {"tx_1024_to_1518_pkts", QL_SIZEOF(nic_stats.tx_1024_to_1518_pkt), 70 QL_OFF(nic_stats.tx_1024_to_1518_pkt)}, 71 {"tx_1519_to_max_pkts", QL_SIZEOF(nic_stats.tx_1519_to_max_pkt), 72 QL_OFF(nic_stats.tx_1519_to_max_pkt)}, 73 {"tx_undersize_pkts", QL_SIZEOF(nic_stats.tx_undersize_pkt), 74 QL_OFF(nic_stats.tx_undersize_pkt)}, 75 {"tx_oversize_pkts", QL_SIZEOF(nic_stats.tx_oversize_pkt), 76 QL_OFF(nic_stats.tx_oversize_pkt)}, 77 {"rx_bytes", QL_SIZEOF(nic_stats.rx_bytes), QL_OFF(nic_stats.rx_bytes)}, 78 {"rx_bytes_ok", QL_SIZEOF(nic_stats.rx_bytes_ok), 79 QL_OFF(nic_stats.rx_bytes_ok)}, 80 {"rx_pkts", QL_SIZEOF(nic_stats.rx_pkts), QL_OFF(nic_stats.rx_pkts)}, 81 {"rx_pkts_ok", QL_SIZEOF(nic_stats.rx_pkts_ok), 82 QL_OFF(nic_stats.rx_pkts_ok)}, 83 {"rx_bcast_pkts", QL_SIZEOF(nic_stats.rx_bcast_pkts), 84 QL_OFF(nic_stats.rx_bcast_pkts)}, 85 {"rx_mcast_pkts", QL_SIZEOF(nic_stats.rx_mcast_pkts), 86 QL_OFF(nic_stats.rx_mcast_pkts)}, 87 {"rx_ucast_pkts", QL_SIZEOF(nic_stats.rx_ucast_pkts), 88 QL_OFF(nic_stats.rx_ucast_pkts)}, 89 {"rx_undersize_pkts", QL_SIZEOF(nic_stats.rx_undersize_pkts), 90 QL_OFF(nic_stats.rx_undersize_pkts)}, 91 {"rx_oversize_pkts", QL_SIZEOF(nic_stats.rx_oversize_pkts), 92 QL_OFF(nic_stats.rx_oversize_pkts)}, 93 {"rx_jabber_pkts", QL_SIZEOF(nic_stats.rx_jabber_pkts), 94 QL_OFF(nic_stats.rx_jabber_pkts)}, 95 {"rx_undersize_fcerr_pkts", 96 QL_SIZEOF(nic_stats.rx_undersize_fcerr_pkts), 97 QL_OFF(nic_stats.rx_undersize_fcerr_pkts)}, 98 {"rx_drop_events", QL_SIZEOF(nic_stats.rx_drop_events), 99 QL_OFF(nic_stats.rx_drop_events)}, 100 {"rx_fcerr_pkts", QL_SIZEOF(nic_stats.rx_fcerr_pkts), 101 QL_OFF(nic_stats.rx_fcerr_pkts)}, 102 {"rx_align_err", QL_SIZEOF(nic_stats.rx_align_err), 103 QL_OFF(nic_stats.rx_align_err)}, 104 {"rx_symbol_err", QL_SIZEOF(nic_stats.rx_symbol_err), 105 QL_OFF(nic_stats.rx_symbol_err)}, 106 {"rx_mac_err", QL_SIZEOF(nic_stats.rx_mac_err), 107 QL_OFF(nic_stats.rx_mac_err)}, 108 {"rx_ctl_pkts", QL_SIZEOF(nic_stats.rx_ctl_pkts), 109 QL_OFF(nic_stats.rx_ctl_pkts)}, 110 {"rx_pause_pkts", QL_SIZEOF(nic_stats.rx_pause_pkts), 111 QL_OFF(nic_stats.rx_pause_pkts)}, 112 {"rx_64_pkts", QL_SIZEOF(nic_stats.rx_64_pkts), 113 QL_OFF(nic_stats.rx_64_pkts)}, 114 {"rx_65_to_127_pkts", QL_SIZEOF(nic_stats.rx_65_to_127_pkts), 115 QL_OFF(nic_stats.rx_65_to_127_pkts)}, 116 {"rx_128_255_pkts", QL_SIZEOF(nic_stats.rx_128_255_pkts), 117 QL_OFF(nic_stats.rx_128_255_pkts)}, 118 {"rx_256_511_pkts", QL_SIZEOF(nic_stats.rx_256_511_pkts), 119 QL_OFF(nic_stats.rx_256_511_pkts)}, 120 {"rx_512_to_1023_pkts", QL_SIZEOF(nic_stats.rx_512_to_1023_pkts), 121 QL_OFF(nic_stats.rx_512_to_1023_pkts)}, 122 {"rx_1024_to_1518_pkts", QL_SIZEOF(nic_stats.rx_1024_to_1518_pkts), 123 QL_OFF(nic_stats.rx_1024_to_1518_pkts)}, 124 {"rx_1519_to_max_pkts", QL_SIZEOF(nic_stats.rx_1519_to_max_pkts), 125 QL_OFF(nic_stats.rx_1519_to_max_pkts)}, 126 {"rx_len_err_pkts", QL_SIZEOF(nic_stats.rx_len_err_pkts), 127 QL_OFF(nic_stats.rx_len_err_pkts)}, 128 {"rx_code_err", QL_SIZEOF(nic_stats.rx_code_err), 129 QL_OFF(nic_stats.rx_code_err)}, 130 {"rx_oversize_err", QL_SIZEOF(nic_stats.rx_oversize_err), 131 QL_OFF(nic_stats.rx_oversize_err)}, 132 {"rx_undersize_err", QL_SIZEOF(nic_stats.rx_undersize_err), 133 QL_OFF(nic_stats.rx_undersize_err)}, 134 {"rx_preamble_err", QL_SIZEOF(nic_stats.rx_preamble_err), 135 QL_OFF(nic_stats.rx_preamble_err)}, 136 {"rx_frame_len_err", QL_SIZEOF(nic_stats.rx_frame_len_err), 137 QL_OFF(nic_stats.rx_frame_len_err)}, 138 {"rx_crc_err", QL_SIZEOF(nic_stats.rx_crc_err), 139 QL_OFF(nic_stats.rx_crc_err)}, 140 {"rx_err_count", QL_SIZEOF(nic_stats.rx_err_count), 141 QL_OFF(nic_stats.rx_err_count)}, 142 {"tx_cbfc_pause_frames0", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames0), 143 QL_OFF(nic_stats.tx_cbfc_pause_frames0)}, 144 {"tx_cbfc_pause_frames1", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames1), 145 QL_OFF(nic_stats.tx_cbfc_pause_frames1)}, 146 {"tx_cbfc_pause_frames2", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames2), 147 QL_OFF(nic_stats.tx_cbfc_pause_frames2)}, 148 {"tx_cbfc_pause_frames3", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames3), 149 QL_OFF(nic_stats.tx_cbfc_pause_frames3)}, 150 {"tx_cbfc_pause_frames4", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames4), 151 QL_OFF(nic_stats.tx_cbfc_pause_frames4)}, 152 {"tx_cbfc_pause_frames5", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames5), 153 QL_OFF(nic_stats.tx_cbfc_pause_frames5)}, 154 {"tx_cbfc_pause_frames6", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames6), 155 QL_OFF(nic_stats.tx_cbfc_pause_frames6)}, 156 {"tx_cbfc_pause_frames7", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames7), 157 QL_OFF(nic_stats.tx_cbfc_pause_frames7)}, 158 {"rx_cbfc_pause_frames0", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames0), 159 QL_OFF(nic_stats.rx_cbfc_pause_frames0)}, 160 {"rx_cbfc_pause_frames1", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames1), 161 QL_OFF(nic_stats.rx_cbfc_pause_frames1)}, 162 {"rx_cbfc_pause_frames2", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames2), 163 QL_OFF(nic_stats.rx_cbfc_pause_frames2)}, 164 {"rx_cbfc_pause_frames3", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames3), 165 QL_OFF(nic_stats.rx_cbfc_pause_frames3)}, 166 {"rx_cbfc_pause_frames4", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames4), 167 QL_OFF(nic_stats.rx_cbfc_pause_frames4)}, 168 {"rx_cbfc_pause_frames5", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames5), 169 QL_OFF(nic_stats.rx_cbfc_pause_frames5)}, 170 {"rx_cbfc_pause_frames6", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames6), 171 QL_OFF(nic_stats.rx_cbfc_pause_frames6)}, 172 {"rx_cbfc_pause_frames7", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames7), 173 QL_OFF(nic_stats.rx_cbfc_pause_frames7)}, 174 {"rx_nic_fifo_drop", QL_SIZEOF(nic_stats.rx_nic_fifo_drop), 175 QL_OFF(nic_stats.rx_nic_fifo_drop)}, 176 }; 177 178 static const char ql_gstrings_test[][ETH_GSTRING_LEN] = { 179 "Loopback test (offline)" 180 }; 181 182 #define QLGE_TEST_LEN (sizeof(ql_gstrings_test) / ETH_GSTRING_LEN) 183 #define QLGE_STATS_LEN ARRAY_SIZE(ql_gstrings_stats) 184 #define QLGE_RCV_MAC_ERR_STATS 7 185 186 static int ql_update_ring_coalescing(struct ql_adapter *qdev) 187 { 188 int i, status = 0; 189 struct rx_ring *rx_ring; 190 struct cqicb *cqicb; 191 192 if (!netif_running(qdev->ndev)) 193 return status; 194 195 /* Skip the default queue, and update the outbound handler 196 * queues if they changed. 197 */ 198 cqicb = (struct cqicb *)&qdev->rx_ring[qdev->rss_ring_count]; 199 if (le16_to_cpu(cqicb->irq_delay) != qdev->tx_coalesce_usecs || 200 le16_to_cpu(cqicb->pkt_delay) != qdev->tx_max_coalesced_frames) { 201 for (i = qdev->rss_ring_count; i < qdev->rx_ring_count; i++) { 202 rx_ring = &qdev->rx_ring[i]; 203 cqicb = (struct cqicb *)rx_ring; 204 cqicb->irq_delay = cpu_to_le16(qdev->tx_coalesce_usecs); 205 cqicb->pkt_delay = 206 cpu_to_le16(qdev->tx_max_coalesced_frames); 207 cqicb->flags = FLAGS_LI; 208 status = ql_write_cfg(qdev, cqicb, sizeof(*cqicb), 209 CFG_LCQ, rx_ring->cq_id); 210 if (status) { 211 netif_err(qdev, ifup, qdev->ndev, 212 "Failed to load CQICB.\n"); 213 goto exit; 214 } 215 } 216 } 217 218 /* Update the inbound (RSS) handler queues if they changed. */ 219 cqicb = (struct cqicb *)&qdev->rx_ring[0]; 220 if (le16_to_cpu(cqicb->irq_delay) != qdev->rx_coalesce_usecs || 221 le16_to_cpu(cqicb->pkt_delay) != qdev->rx_max_coalesced_frames) { 222 for (i = 0; i < qdev->rss_ring_count; i++, rx_ring++) { 223 rx_ring = &qdev->rx_ring[i]; 224 cqicb = (struct cqicb *)rx_ring; 225 cqicb->irq_delay = cpu_to_le16(qdev->rx_coalesce_usecs); 226 cqicb->pkt_delay = 227 cpu_to_le16(qdev->rx_max_coalesced_frames); 228 cqicb->flags = FLAGS_LI; 229 status = ql_write_cfg(qdev, cqicb, sizeof(*cqicb), 230 CFG_LCQ, rx_ring->cq_id); 231 if (status) { 232 netif_err(qdev, ifup, qdev->ndev, 233 "Failed to load CQICB.\n"); 234 goto exit; 235 } 236 } 237 } 238 exit: 239 return status; 240 } 241 242 static void ql_update_stats(struct ql_adapter *qdev) 243 { 244 u32 i; 245 u64 data; 246 u64 *iter = &qdev->nic_stats.tx_pkts; 247 248 spin_lock(&qdev->stats_lock); 249 if (ql_sem_spinlock(qdev, qdev->xg_sem_mask)) { 250 netif_err(qdev, drv, qdev->ndev, 251 "Couldn't get xgmac sem.\n"); 252 goto quit; 253 } 254 /* 255 * Get TX statistics. 256 */ 257 for (i = 0x200; i < 0x280; i += 8) { 258 if (ql_read_xgmac_reg64(qdev, i, &data)) { 259 netif_err(qdev, drv, qdev->ndev, 260 "Error reading status register 0x%.04x.\n", 261 i); 262 goto end; 263 } else { 264 *iter = data; 265 } 266 iter++; 267 } 268 269 /* 270 * Get RX statistics. 271 */ 272 for (i = 0x300; i < 0x3d0; i += 8) { 273 if (ql_read_xgmac_reg64(qdev, i, &data)) { 274 netif_err(qdev, drv, qdev->ndev, 275 "Error reading status register 0x%.04x.\n", 276 i); 277 goto end; 278 } else { 279 *iter = data; 280 } 281 iter++; 282 } 283 284 /* Update receive mac error statistics */ 285 iter += QLGE_RCV_MAC_ERR_STATS; 286 287 /* 288 * Get Per-priority TX pause frame counter statistics. 289 */ 290 for (i = 0x500; i < 0x540; i += 8) { 291 if (ql_read_xgmac_reg64(qdev, i, &data)) { 292 netif_err(qdev, drv, qdev->ndev, 293 "Error reading status register 0x%.04x.\n", 294 i); 295 goto end; 296 } else { 297 *iter = data; 298 } 299 iter++; 300 } 301 302 /* 303 * Get Per-priority RX pause frame counter statistics. 304 */ 305 for (i = 0x568; i < 0x5a8; i += 8) { 306 if (ql_read_xgmac_reg64(qdev, i, &data)) { 307 netif_err(qdev, drv, qdev->ndev, 308 "Error reading status register 0x%.04x.\n", 309 i); 310 goto end; 311 } else { 312 *iter = data; 313 } 314 iter++; 315 } 316 317 /* 318 * Get RX NIC FIFO DROP statistics. 319 */ 320 if (ql_read_xgmac_reg64(qdev, 0x5b8, &data)) { 321 netif_err(qdev, drv, qdev->ndev, 322 "Error reading status register 0x%.04x.\n", i); 323 goto end; 324 } else { 325 *iter = data; 326 } 327 end: 328 ql_sem_unlock(qdev, qdev->xg_sem_mask); 329 quit: 330 spin_unlock(&qdev->stats_lock); 331 332 QL_DUMP_STAT(qdev); 333 } 334 335 static void ql_get_strings(struct net_device *dev, u32 stringset, u8 *buf) 336 { 337 int index; 338 339 switch (stringset) { 340 case ETH_SS_TEST: 341 memcpy(buf, *ql_gstrings_test, QLGE_TEST_LEN * ETH_GSTRING_LEN); 342 break; 343 case ETH_SS_STATS: 344 for (index = 0; index < QLGE_STATS_LEN; index++) { 345 memcpy(buf + index * ETH_GSTRING_LEN, 346 ql_gstrings_stats[index].stat_string, 347 ETH_GSTRING_LEN); 348 } 349 break; 350 } 351 } 352 353 static int ql_get_sset_count(struct net_device *dev, int sset) 354 { 355 switch (sset) { 356 case ETH_SS_TEST: 357 return QLGE_TEST_LEN; 358 case ETH_SS_STATS: 359 return QLGE_STATS_LEN; 360 default: 361 return -EOPNOTSUPP; 362 } 363 } 364 365 static void 366 ql_get_ethtool_stats(struct net_device *ndev, 367 struct ethtool_stats *stats, u64 *data) 368 { 369 struct ql_adapter *qdev = netdev_priv(ndev); 370 int index, length; 371 372 length = QLGE_STATS_LEN; 373 ql_update_stats(qdev); 374 375 for (index = 0; index < length; index++) { 376 char *p = (char *)qdev + 377 ql_gstrings_stats[index].stat_offset; 378 *data++ = (ql_gstrings_stats[index].sizeof_stat == 379 sizeof(u64)) ? *(u64 *)p : (*(u32 *)p); 380 } 381 } 382 383 static int ql_get_link_ksettings(struct net_device *ndev, 384 struct ethtool_link_ksettings *ecmd) 385 { 386 struct ql_adapter *qdev = netdev_priv(ndev); 387 u32 supported, advertising; 388 389 supported = SUPPORTED_10000baseT_Full; 390 advertising = ADVERTISED_10000baseT_Full; 391 392 if ((qdev->link_status & STS_LINK_TYPE_MASK) == 393 STS_LINK_TYPE_10GBASET) { 394 supported |= (SUPPORTED_TP | SUPPORTED_Autoneg); 395 advertising |= (ADVERTISED_TP | ADVERTISED_Autoneg); 396 ecmd->base.port = PORT_TP; 397 ecmd->base.autoneg = AUTONEG_ENABLE; 398 } else { 399 supported |= SUPPORTED_FIBRE; 400 advertising |= ADVERTISED_FIBRE; 401 ecmd->base.port = PORT_FIBRE; 402 } 403 404 ecmd->base.speed = SPEED_10000; 405 ecmd->base.duplex = DUPLEX_FULL; 406 407 ethtool_convert_legacy_u32_to_link_mode(ecmd->link_modes.supported, 408 supported); 409 ethtool_convert_legacy_u32_to_link_mode(ecmd->link_modes.advertising, 410 advertising); 411 412 return 0; 413 } 414 415 static void ql_get_drvinfo(struct net_device *ndev, 416 struct ethtool_drvinfo *drvinfo) 417 { 418 struct ql_adapter *qdev = netdev_priv(ndev); 419 420 strlcpy(drvinfo->driver, qlge_driver_name, sizeof(drvinfo->driver)); 421 strlcpy(drvinfo->version, qlge_driver_version, 422 sizeof(drvinfo->version)); 423 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), 424 "v%d.%d.%d", 425 (qdev->fw_rev_id & 0x00ff0000) >> 16, 426 (qdev->fw_rev_id & 0x0000ff00) >> 8, 427 (qdev->fw_rev_id & 0x000000ff)); 428 strlcpy(drvinfo->bus_info, pci_name(qdev->pdev), 429 sizeof(drvinfo->bus_info)); 430 } 431 432 static void ql_get_wol(struct net_device *ndev, struct ethtool_wolinfo *wol) 433 { 434 struct ql_adapter *qdev = netdev_priv(ndev); 435 unsigned short ssys_dev = qdev->pdev->subsystem_device; 436 437 /* WOL is only supported for mezz card. */ 438 if (ssys_dev == QLGE_MEZZ_SSYS_ID_068 || 439 ssys_dev == QLGE_MEZZ_SSYS_ID_180) { 440 wol->supported = WAKE_MAGIC; 441 wol->wolopts = qdev->wol; 442 } 443 } 444 445 static int ql_set_wol(struct net_device *ndev, struct ethtool_wolinfo *wol) 446 { 447 struct ql_adapter *qdev = netdev_priv(ndev); 448 unsigned short ssys_dev = qdev->pdev->subsystem_device; 449 450 /* WOL is only supported for mezz card. */ 451 if (ssys_dev != QLGE_MEZZ_SSYS_ID_068 && 452 ssys_dev != QLGE_MEZZ_SSYS_ID_180) { 453 netif_info(qdev, drv, qdev->ndev, 454 "WOL is only supported for mezz card\n"); 455 return -EOPNOTSUPP; 456 } 457 if (wol->wolopts & ~WAKE_MAGIC) 458 return -EINVAL; 459 qdev->wol = wol->wolopts; 460 461 netif_info(qdev, drv, qdev->ndev, "Set wol option 0x%x\n", qdev->wol); 462 return 0; 463 } 464 465 static int ql_set_phys_id(struct net_device *ndev, 466 enum ethtool_phys_id_state state) 467 468 { 469 struct ql_adapter *qdev = netdev_priv(ndev); 470 471 switch (state) { 472 case ETHTOOL_ID_ACTIVE: 473 /* Save the current LED settings */ 474 if (ql_mb_get_led_cfg(qdev)) 475 return -EIO; 476 477 /* Start blinking */ 478 ql_mb_set_led_cfg(qdev, QL_LED_BLINK); 479 return 0; 480 481 case ETHTOOL_ID_INACTIVE: 482 /* Restore LED settings */ 483 if (ql_mb_set_led_cfg(qdev, qdev->led_config)) 484 return -EIO; 485 return 0; 486 487 default: 488 return -EINVAL; 489 } 490 } 491 492 static int ql_start_loopback(struct ql_adapter *qdev) 493 { 494 if (netif_carrier_ok(qdev->ndev)) { 495 set_bit(QL_LB_LINK_UP, &qdev->flags); 496 netif_carrier_off(qdev->ndev); 497 } else { 498 clear_bit(QL_LB_LINK_UP, &qdev->flags); 499 } 500 qdev->link_config |= CFG_LOOPBACK_PCS; 501 return ql_mb_set_port_cfg(qdev); 502 } 503 504 static void ql_stop_loopback(struct ql_adapter *qdev) 505 { 506 qdev->link_config &= ~CFG_LOOPBACK_PCS; 507 ql_mb_set_port_cfg(qdev); 508 if (test_bit(QL_LB_LINK_UP, &qdev->flags)) { 509 netif_carrier_on(qdev->ndev); 510 clear_bit(QL_LB_LINK_UP, &qdev->flags); 511 } 512 } 513 514 static void ql_create_lb_frame(struct sk_buff *skb, 515 unsigned int frame_size) 516 { 517 memset(skb->data, 0xFF, frame_size); 518 frame_size &= ~1; 519 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1); 520 skb->data[frame_size / 2 + 10] = (unsigned char)0xBE; 521 skb->data[frame_size / 2 + 12] = (unsigned char)0xAF; 522 } 523 524 void ql_check_lb_frame(struct ql_adapter *qdev, 525 struct sk_buff *skb) 526 { 527 unsigned int frame_size = skb->len; 528 529 if ((*(skb->data + 3) == 0xFF) && 530 (*(skb->data + frame_size / 2 + 10) == 0xBE) && 531 (*(skb->data + frame_size / 2 + 12) == 0xAF)) { 532 atomic_dec(&qdev->lb_count); 533 return; 534 } 535 } 536 537 static int ql_run_loopback_test(struct ql_adapter *qdev) 538 { 539 int i; 540 netdev_tx_t rc; 541 struct sk_buff *skb; 542 unsigned int size = SMALL_BUF_MAP_SIZE; 543 544 for (i = 0; i < 64; i++) { 545 skb = netdev_alloc_skb(qdev->ndev, size); 546 if (!skb) 547 return -ENOMEM; 548 549 skb->queue_mapping = 0; 550 skb_put(skb, size); 551 ql_create_lb_frame(skb, size); 552 rc = ql_lb_send(skb, qdev->ndev); 553 if (rc != NETDEV_TX_OK) 554 return -EPIPE; 555 atomic_inc(&qdev->lb_count); 556 } 557 /* Give queue time to settle before testing results. */ 558 msleep(2); 559 ql_clean_lb_rx_ring(&qdev->rx_ring[0], 128); 560 return atomic_read(&qdev->lb_count) ? -EIO : 0; 561 } 562 563 static int ql_loopback_test(struct ql_adapter *qdev, u64 *data) 564 { 565 *data = ql_start_loopback(qdev); 566 if (*data) 567 goto out; 568 *data = ql_run_loopback_test(qdev); 569 out: 570 ql_stop_loopback(qdev); 571 return *data; 572 } 573 574 static void ql_self_test(struct net_device *ndev, 575 struct ethtool_test *eth_test, u64 *data) 576 { 577 struct ql_adapter *qdev = netdev_priv(ndev); 578 579 memset(data, 0, sizeof(u64) * QLGE_TEST_LEN); 580 581 if (netif_running(ndev)) { 582 set_bit(QL_SELFTEST, &qdev->flags); 583 if (eth_test->flags == ETH_TEST_FL_OFFLINE) { 584 /* Offline tests */ 585 if (ql_loopback_test(qdev, &data[0])) 586 eth_test->flags |= ETH_TEST_FL_FAILED; 587 588 } else { 589 /* Online tests */ 590 data[0] = 0; 591 } 592 clear_bit(QL_SELFTEST, &qdev->flags); 593 /* Give link time to come up after 594 * port configuration changes. 595 */ 596 msleep_interruptible(4 * 1000); 597 } else { 598 netif_err(qdev, drv, qdev->ndev, 599 "is down, Loopback test will fail.\n"); 600 eth_test->flags |= ETH_TEST_FL_FAILED; 601 } 602 } 603 604 static int ql_get_regs_len(struct net_device *ndev) 605 { 606 struct ql_adapter *qdev = netdev_priv(ndev); 607 608 if (!test_bit(QL_FRC_COREDUMP, &qdev->flags)) 609 return sizeof(struct ql_mpi_coredump); 610 else 611 return sizeof(struct ql_reg_dump); 612 } 613 614 static void ql_get_regs(struct net_device *ndev, 615 struct ethtool_regs *regs, void *p) 616 { 617 struct ql_adapter *qdev = netdev_priv(ndev); 618 619 ql_get_dump(qdev, p); 620 qdev->core_is_dumped = 0; 621 if (!test_bit(QL_FRC_COREDUMP, &qdev->flags)) 622 regs->len = sizeof(struct ql_mpi_coredump); 623 else 624 regs->len = sizeof(struct ql_reg_dump); 625 } 626 627 static int ql_get_coalesce(struct net_device *dev, struct ethtool_coalesce *c) 628 { 629 struct ql_adapter *qdev = netdev_priv(dev); 630 631 c->rx_coalesce_usecs = qdev->rx_coalesce_usecs; 632 c->tx_coalesce_usecs = qdev->tx_coalesce_usecs; 633 634 /* This chip coalesces as follows: 635 * If a packet arrives, hold off interrupts until 636 * cqicb->int_delay expires, but if no other packets arrive don't 637 * wait longer than cqicb->pkt_int_delay. But ethtool doesn't use a 638 * timer to coalesce on a frame basis. So, we have to take ethtool's 639 * max_coalesced_frames value and convert it to a delay in microseconds. 640 * We do this by using a basic thoughput of 1,000,000 frames per 641 * second @ (1024 bytes). This means one frame per usec. So it's a 642 * simple one to one ratio. 643 */ 644 c->rx_max_coalesced_frames = qdev->rx_max_coalesced_frames; 645 c->tx_max_coalesced_frames = qdev->tx_max_coalesced_frames; 646 647 return 0; 648 } 649 650 static int ql_set_coalesce(struct net_device *ndev, struct ethtool_coalesce *c) 651 { 652 struct ql_adapter *qdev = netdev_priv(ndev); 653 654 /* Validate user parameters. */ 655 if (c->rx_coalesce_usecs > qdev->rx_ring_size / 2) 656 return -EINVAL; 657 /* Don't wait more than 10 usec. */ 658 if (c->rx_max_coalesced_frames > MAX_INTER_FRAME_WAIT) 659 return -EINVAL; 660 if (c->tx_coalesce_usecs > qdev->tx_ring_size / 2) 661 return -EINVAL; 662 if (c->tx_max_coalesced_frames > MAX_INTER_FRAME_WAIT) 663 return -EINVAL; 664 665 /* Verify a change took place before updating the hardware. */ 666 if (qdev->rx_coalesce_usecs == c->rx_coalesce_usecs && 667 qdev->tx_coalesce_usecs == c->tx_coalesce_usecs && 668 qdev->rx_max_coalesced_frames == c->rx_max_coalesced_frames && 669 qdev->tx_max_coalesced_frames == c->tx_max_coalesced_frames) 670 return 0; 671 672 qdev->rx_coalesce_usecs = c->rx_coalesce_usecs; 673 qdev->tx_coalesce_usecs = c->tx_coalesce_usecs; 674 qdev->rx_max_coalesced_frames = c->rx_max_coalesced_frames; 675 qdev->tx_max_coalesced_frames = c->tx_max_coalesced_frames; 676 677 return ql_update_ring_coalescing(qdev); 678 } 679 680 static void ql_get_pauseparam(struct net_device *netdev, 681 struct ethtool_pauseparam *pause) 682 { 683 struct ql_adapter *qdev = netdev_priv(netdev); 684 685 ql_mb_get_port_cfg(qdev); 686 if (qdev->link_config & CFG_PAUSE_STD) { 687 pause->rx_pause = 1; 688 pause->tx_pause = 1; 689 } 690 } 691 692 static int ql_set_pauseparam(struct net_device *netdev, 693 struct ethtool_pauseparam *pause) 694 { 695 struct ql_adapter *qdev = netdev_priv(netdev); 696 697 if ((pause->rx_pause) && (pause->tx_pause)) 698 qdev->link_config |= CFG_PAUSE_STD; 699 else if (!pause->rx_pause && !pause->tx_pause) 700 qdev->link_config &= ~CFG_PAUSE_STD; 701 else 702 return -EINVAL; 703 704 return ql_mb_set_port_cfg(qdev); 705 } 706 707 static u32 ql_get_msglevel(struct net_device *ndev) 708 { 709 struct ql_adapter *qdev = netdev_priv(ndev); 710 711 return qdev->msg_enable; 712 } 713 714 static void ql_set_msglevel(struct net_device *ndev, u32 value) 715 { 716 struct ql_adapter *qdev = netdev_priv(ndev); 717 718 qdev->msg_enable = value; 719 } 720 721 const struct ethtool_ops qlge_ethtool_ops = { 722 .supported_coalesce_params = ETHTOOL_COALESCE_USECS | 723 ETHTOOL_COALESCE_MAX_FRAMES, 724 .get_drvinfo = ql_get_drvinfo, 725 .get_wol = ql_get_wol, 726 .set_wol = ql_set_wol, 727 .get_regs_len = ql_get_regs_len, 728 .get_regs = ql_get_regs, 729 .get_msglevel = ql_get_msglevel, 730 .set_msglevel = ql_set_msglevel, 731 .get_link = ethtool_op_get_link, 732 .set_phys_id = ql_set_phys_id, 733 .self_test = ql_self_test, 734 .get_pauseparam = ql_get_pauseparam, 735 .set_pauseparam = ql_set_pauseparam, 736 .get_coalesce = ql_get_coalesce, 737 .set_coalesce = ql_set_coalesce, 738 .get_sset_count = ql_get_sset_count, 739 .get_strings = ql_get_strings, 740 .get_ethtool_stats = ql_get_ethtool_stats, 741 .get_link_ksettings = ql_get_link_ksettings, 742 }; 743 744