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 qlge_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 qlge_adapter, m) 44 #define QL_OFF(m) offsetof(struct qlge_adapter, m) 45 46 static const struct qlge_stats qlge_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 qlge_gstrings_test[][ETH_GSTRING_LEN] = { 179 "Loopback test (offline)" 180 }; 181 182 #define QLGE_TEST_LEN (sizeof(qlge_gstrings_test) / ETH_GSTRING_LEN) 183 #define QLGE_STATS_LEN ARRAY_SIZE(qlge_gstrings_stats) 184 #define QLGE_RCV_MAC_ERR_STATS 7 185 186 static int qlge_update_ring_coalescing(struct qlge_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 = qlge_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 = qlge_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 qlge_update_stats(struct qlge_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 (qlge_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 (qlge_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 (qlge_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 (qlge_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 (qlge_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 (qlge_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 qlge_sem_unlock(qdev, qdev->xg_sem_mask); 329 quit: 330 spin_unlock(&qdev->stats_lock); 331 } 332 333 static void qlge_get_strings(struct net_device *dev, u32 stringset, u8 *buf) 334 { 335 int index; 336 337 switch (stringset) { 338 case ETH_SS_TEST: 339 memcpy(buf, *qlge_gstrings_test, QLGE_TEST_LEN * ETH_GSTRING_LEN); 340 break; 341 case ETH_SS_STATS: 342 for (index = 0; index < QLGE_STATS_LEN; index++) { 343 memcpy(buf + index * ETH_GSTRING_LEN, 344 qlge_gstrings_stats[index].stat_string, 345 ETH_GSTRING_LEN); 346 } 347 break; 348 } 349 } 350 351 static int qlge_get_sset_count(struct net_device *dev, int sset) 352 { 353 switch (sset) { 354 case ETH_SS_TEST: 355 return QLGE_TEST_LEN; 356 case ETH_SS_STATS: 357 return QLGE_STATS_LEN; 358 default: 359 return -EOPNOTSUPP; 360 } 361 } 362 363 static void 364 qlge_get_ethtool_stats(struct net_device *ndev, 365 struct ethtool_stats *stats, u64 *data) 366 { 367 struct qlge_adapter *qdev = netdev_to_qdev(ndev); 368 int index, length; 369 370 length = QLGE_STATS_LEN; 371 qlge_update_stats(qdev); 372 373 for (index = 0; index < length; index++) { 374 char *p = (char *)qdev + 375 qlge_gstrings_stats[index].stat_offset; 376 *data++ = (qlge_gstrings_stats[index].sizeof_stat == 377 sizeof(u64)) ? *(u64 *)p : (*(u32 *)p); 378 } 379 } 380 381 static int qlge_get_link_ksettings(struct net_device *ndev, 382 struct ethtool_link_ksettings *ecmd) 383 { 384 struct qlge_adapter *qdev = netdev_to_qdev(ndev); 385 u32 supported, advertising; 386 387 supported = SUPPORTED_10000baseT_Full; 388 advertising = ADVERTISED_10000baseT_Full; 389 390 if ((qdev->link_status & STS_LINK_TYPE_MASK) == 391 STS_LINK_TYPE_10GBASET) { 392 supported |= (SUPPORTED_TP | SUPPORTED_Autoneg); 393 advertising |= (ADVERTISED_TP | ADVERTISED_Autoneg); 394 ecmd->base.port = PORT_TP; 395 ecmd->base.autoneg = AUTONEG_ENABLE; 396 } else { 397 supported |= SUPPORTED_FIBRE; 398 advertising |= ADVERTISED_FIBRE; 399 ecmd->base.port = PORT_FIBRE; 400 } 401 402 ecmd->base.speed = SPEED_10000; 403 ecmd->base.duplex = DUPLEX_FULL; 404 405 ethtool_convert_legacy_u32_to_link_mode(ecmd->link_modes.supported, 406 supported); 407 ethtool_convert_legacy_u32_to_link_mode(ecmd->link_modes.advertising, 408 advertising); 409 410 return 0; 411 } 412 413 static void qlge_get_drvinfo(struct net_device *ndev, 414 struct ethtool_drvinfo *drvinfo) 415 { 416 struct qlge_adapter *qdev = netdev_to_qdev(ndev); 417 418 strscpy(drvinfo->driver, qlge_driver_name, sizeof(drvinfo->driver)); 419 strscpy(drvinfo->version, qlge_driver_version, 420 sizeof(drvinfo->version)); 421 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), 422 "v%d.%d.%d", 423 (qdev->fw_rev_id & 0x00ff0000) >> 16, 424 (qdev->fw_rev_id & 0x0000ff00) >> 8, 425 (qdev->fw_rev_id & 0x000000ff)); 426 strscpy(drvinfo->bus_info, pci_name(qdev->pdev), 427 sizeof(drvinfo->bus_info)); 428 } 429 430 static void qlge_get_wol(struct net_device *ndev, struct ethtool_wolinfo *wol) 431 { 432 struct qlge_adapter *qdev = netdev_to_qdev(ndev); 433 unsigned short ssys_dev = qdev->pdev->subsystem_device; 434 435 /* WOL is only supported for mezz card. */ 436 if (ssys_dev == QLGE_MEZZ_SSYS_ID_068 || 437 ssys_dev == QLGE_MEZZ_SSYS_ID_180) { 438 wol->supported = WAKE_MAGIC; 439 wol->wolopts = qdev->wol; 440 } 441 } 442 443 static int qlge_set_wol(struct net_device *ndev, struct ethtool_wolinfo *wol) 444 { 445 struct qlge_adapter *qdev = netdev_to_qdev(ndev); 446 unsigned short ssys_dev = qdev->pdev->subsystem_device; 447 448 /* WOL is only supported for mezz card. */ 449 if (ssys_dev != QLGE_MEZZ_SSYS_ID_068 && 450 ssys_dev != QLGE_MEZZ_SSYS_ID_180) { 451 netif_info(qdev, drv, qdev->ndev, 452 "WOL is only supported for mezz card\n"); 453 return -EOPNOTSUPP; 454 } 455 if (wol->wolopts & ~WAKE_MAGIC) 456 return -EINVAL; 457 qdev->wol = wol->wolopts; 458 459 netif_info(qdev, drv, qdev->ndev, "Set wol option 0x%x\n", qdev->wol); 460 return 0; 461 } 462 463 static int qlge_set_phys_id(struct net_device *ndev, 464 enum ethtool_phys_id_state state) 465 466 { 467 struct qlge_adapter *qdev = netdev_to_qdev(ndev); 468 469 switch (state) { 470 case ETHTOOL_ID_ACTIVE: 471 /* Save the current LED settings */ 472 if (qlge_mb_get_led_cfg(qdev)) 473 return -EIO; 474 475 /* Start blinking */ 476 qlge_mb_set_led_cfg(qdev, QL_LED_BLINK); 477 return 0; 478 479 case ETHTOOL_ID_INACTIVE: 480 /* Restore LED settings */ 481 if (qlge_mb_set_led_cfg(qdev, qdev->led_config)) 482 return -EIO; 483 return 0; 484 485 default: 486 return -EINVAL; 487 } 488 } 489 490 static int qlge_start_loopback(struct qlge_adapter *qdev) 491 { 492 if (netif_carrier_ok(qdev->ndev)) { 493 set_bit(QL_LB_LINK_UP, &qdev->flags); 494 netif_carrier_off(qdev->ndev); 495 } else { 496 clear_bit(QL_LB_LINK_UP, &qdev->flags); 497 } 498 qdev->link_config |= CFG_LOOPBACK_PCS; 499 return qlge_mb_set_port_cfg(qdev); 500 } 501 502 static void qlge_stop_loopback(struct qlge_adapter *qdev) 503 { 504 qdev->link_config &= ~CFG_LOOPBACK_PCS; 505 qlge_mb_set_port_cfg(qdev); 506 if (test_bit(QL_LB_LINK_UP, &qdev->flags)) { 507 netif_carrier_on(qdev->ndev); 508 clear_bit(QL_LB_LINK_UP, &qdev->flags); 509 } 510 } 511 512 static void qlge_create_lb_frame(struct sk_buff *skb, 513 unsigned int frame_size) 514 { 515 memset(skb->data, 0xFF, frame_size); 516 frame_size &= ~1; 517 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1); 518 skb->data[frame_size / 2 + 10] = (unsigned char)0xBE; 519 skb->data[frame_size / 2 + 12] = (unsigned char)0xAF; 520 } 521 522 void qlge_check_lb_frame(struct qlge_adapter *qdev, 523 struct sk_buff *skb) 524 { 525 unsigned int frame_size = skb->len; 526 527 if ((*(skb->data + 3) == 0xFF) && 528 (*(skb->data + frame_size / 2 + 10) == 0xBE) && 529 (*(skb->data + frame_size / 2 + 12) == 0xAF)) { 530 atomic_dec(&qdev->lb_count); 531 return; 532 } 533 } 534 535 static int qlge_run_loopback_test(struct qlge_adapter *qdev) 536 { 537 int i; 538 netdev_tx_t rc; 539 struct sk_buff *skb; 540 unsigned int size = SMALL_BUF_MAP_SIZE; 541 542 for (i = 0; i < 64; i++) { 543 skb = netdev_alloc_skb(qdev->ndev, size); 544 if (!skb) 545 return -ENOMEM; 546 547 skb->queue_mapping = 0; 548 skb_put(skb, size); 549 qlge_create_lb_frame(skb, size); 550 rc = qlge_lb_send(skb, qdev->ndev); 551 if (rc != NETDEV_TX_OK) 552 return -EPIPE; 553 atomic_inc(&qdev->lb_count); 554 } 555 /* Give queue time to settle before testing results. */ 556 usleep_range(2000, 2100); 557 qlge_clean_lb_rx_ring(&qdev->rx_ring[0], 128); 558 return atomic_read(&qdev->lb_count) ? -EIO : 0; 559 } 560 561 static int qlge_loopback_test(struct qlge_adapter *qdev, u64 *data) 562 { 563 *data = qlge_start_loopback(qdev); 564 if (*data) 565 goto out; 566 *data = qlge_run_loopback_test(qdev); 567 out: 568 qlge_stop_loopback(qdev); 569 return *data; 570 } 571 572 static void qlge_self_test(struct net_device *ndev, 573 struct ethtool_test *eth_test, u64 *data) 574 { 575 struct qlge_adapter *qdev = netdev_to_qdev(ndev); 576 577 memset(data, 0, sizeof(u64) * QLGE_TEST_LEN); 578 579 if (netif_running(ndev)) { 580 set_bit(QL_SELFTEST, &qdev->flags); 581 if (eth_test->flags == ETH_TEST_FL_OFFLINE) { 582 /* Offline tests */ 583 if (qlge_loopback_test(qdev, &data[0])) 584 eth_test->flags |= ETH_TEST_FL_FAILED; 585 586 } else { 587 /* Online tests */ 588 data[0] = 0; 589 } 590 clear_bit(QL_SELFTEST, &qdev->flags); 591 /* Give link time to come up after 592 * port configuration changes. 593 */ 594 msleep_interruptible(4 * 1000); 595 } else { 596 netif_err(qdev, drv, qdev->ndev, 597 "is down, Loopback test will fail.\n"); 598 eth_test->flags |= ETH_TEST_FL_FAILED; 599 } 600 } 601 602 static int qlge_get_regs_len(struct net_device *ndev) 603 { 604 struct qlge_adapter *qdev = netdev_to_qdev(ndev); 605 606 if (!test_bit(QL_FRC_COREDUMP, &qdev->flags)) 607 return sizeof(struct qlge_mpi_coredump); 608 else 609 return sizeof(struct qlge_reg_dump); 610 } 611 612 static void qlge_get_regs(struct net_device *ndev, 613 struct ethtool_regs *regs, void *p) 614 { 615 struct qlge_adapter *qdev = netdev_to_qdev(ndev); 616 617 qlge_get_dump(qdev, p); 618 if (!test_bit(QL_FRC_COREDUMP, &qdev->flags)) 619 regs->len = sizeof(struct qlge_mpi_coredump); 620 else 621 regs->len = sizeof(struct qlge_reg_dump); 622 } 623 624 static int qlge_get_coalesce(struct net_device *ndev, 625 struct ethtool_coalesce *c, 626 struct kernel_ethtool_coalesce *kernel_coal, 627 struct netlink_ext_ack *extack) 628 { 629 struct qlge_adapter *qdev = netdev_to_qdev(ndev); 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 qlge_set_coalesce(struct net_device *ndev, 651 struct ethtool_coalesce *c, 652 struct kernel_ethtool_coalesce *kernel_coal, 653 struct netlink_ext_ack *extack) 654 { 655 struct qlge_adapter *qdev = netdev_to_qdev(ndev); 656 657 /* Validate user parameters. */ 658 if (c->rx_coalesce_usecs > qdev->rx_ring_size / 2) 659 return -EINVAL; 660 /* Don't wait more than 10 usec. */ 661 if (c->rx_max_coalesced_frames > MAX_INTER_FRAME_WAIT) 662 return -EINVAL; 663 if (c->tx_coalesce_usecs > qdev->tx_ring_size / 2) 664 return -EINVAL; 665 if (c->tx_max_coalesced_frames > MAX_INTER_FRAME_WAIT) 666 return -EINVAL; 667 668 /* Verify a change took place before updating the hardware. */ 669 if (qdev->rx_coalesce_usecs == c->rx_coalesce_usecs && 670 qdev->tx_coalesce_usecs == c->tx_coalesce_usecs && 671 qdev->rx_max_coalesced_frames == c->rx_max_coalesced_frames && 672 qdev->tx_max_coalesced_frames == c->tx_max_coalesced_frames) 673 return 0; 674 675 qdev->rx_coalesce_usecs = c->rx_coalesce_usecs; 676 qdev->tx_coalesce_usecs = c->tx_coalesce_usecs; 677 qdev->rx_max_coalesced_frames = c->rx_max_coalesced_frames; 678 qdev->tx_max_coalesced_frames = c->tx_max_coalesced_frames; 679 680 return qlge_update_ring_coalescing(qdev); 681 } 682 683 static void qlge_get_pauseparam(struct net_device *ndev, 684 struct ethtool_pauseparam *pause) 685 { 686 struct qlge_adapter *qdev = netdev_to_qdev(ndev); 687 688 qlge_mb_get_port_cfg(qdev); 689 if (qdev->link_config & CFG_PAUSE_STD) { 690 pause->rx_pause = 1; 691 pause->tx_pause = 1; 692 } 693 } 694 695 static int qlge_set_pauseparam(struct net_device *ndev, 696 struct ethtool_pauseparam *pause) 697 { 698 struct qlge_adapter *qdev = netdev_to_qdev(ndev); 699 700 if ((pause->rx_pause) && (pause->tx_pause)) 701 qdev->link_config |= CFG_PAUSE_STD; 702 else if (!pause->rx_pause && !pause->tx_pause) 703 qdev->link_config &= ~CFG_PAUSE_STD; 704 else 705 return -EINVAL; 706 707 return qlge_mb_set_port_cfg(qdev); 708 } 709 710 static u32 qlge_get_msglevel(struct net_device *ndev) 711 { 712 struct qlge_adapter *qdev = netdev_to_qdev(ndev); 713 714 return qdev->msg_enable; 715 } 716 717 static void qlge_set_msglevel(struct net_device *ndev, u32 value) 718 { 719 struct qlge_adapter *qdev = netdev_to_qdev(ndev); 720 721 qdev->msg_enable = value; 722 } 723 724 const struct ethtool_ops qlge_ethtool_ops = { 725 .supported_coalesce_params = ETHTOOL_COALESCE_USECS | 726 ETHTOOL_COALESCE_MAX_FRAMES, 727 .get_drvinfo = qlge_get_drvinfo, 728 .get_wol = qlge_get_wol, 729 .set_wol = qlge_set_wol, 730 .get_regs_len = qlge_get_regs_len, 731 .get_regs = qlge_get_regs, 732 .get_msglevel = qlge_get_msglevel, 733 .set_msglevel = qlge_set_msglevel, 734 .get_link = ethtool_op_get_link, 735 .set_phys_id = qlge_set_phys_id, 736 .self_test = qlge_self_test, 737 .get_pauseparam = qlge_get_pauseparam, 738 .set_pauseparam = qlge_set_pauseparam, 739 .get_coalesce = qlge_get_coalesce, 740 .set_coalesce = qlge_set_coalesce, 741 .get_sset_count = qlge_get_sset_count, 742 .get_strings = qlge_get_strings, 743 .get_ethtool_stats = qlge_get_ethtool_stats, 744 .get_link_ksettings = qlge_get_link_ksettings, 745 }; 746 747