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