drivers/net/qlge/qlge_ethtool.c

   1 #include <linux/kernel.h>
   2 #include <linux/init.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/slab.h>
  11 #include <linux/dmapool.h>
  12 #include <linux/mempool.h>
  13 #include <linux/spinlock.h>
  14 #include <linux/kthread.h>
  15 #include <linux/interrupt.h>
  16 #include <linux/errno.h>
  17 #include <linux/ioport.h>
  18 #include <linux/in.h>
  19 #include <linux/ip.h>
  20 #include <linux/ipv6.h>
  21 #include <net/ipv6.h>
  22 #include <linux/tcp.h>
  23 #include <linux/udp.h>
  24 #include <linux/if_arp.h>
  25 #include <linux/if_ether.h>
  26 #include <linux/netdevice.h>
  27 #include <linux/etherdevice.h>
  28 #include <linux/ethtool.h>
  29 #include <linux/skbuff.h>
  30 #include <linux/rtnetlink.h>
  31 #include <linux/if_vlan.h>
  32 #include <linux/delay.h>
  33 #include <linux/mm.h>
  34 #include <linux/vmalloc.h>
  35
  36
  37 #include "qlge.h"
  38
  39 static const char ql_gstrings_test[][ETH_GSTRING_LEN] = {
  40         "Loopback test  (offline)"
  41 };
  42 #define QLGE_TEST_LEN (sizeof(ql_gstrings_test) / ETH_GSTRING_LEN)
  43
  44 static int ql_update_ring_coalescing(struct ql_adapter *qdev)
  45 {
  46         int i, status = 0;
  47         struct rx_ring *rx_ring;
  48         struct cqicb *cqicb;
  49
  50         if (!netif_running(qdev->ndev))
  51                 return status;
  52
  53         /* Skip the default queue, and update the outbound handler
  54          * queues if they changed.
  55          */
  56         cqicb = (struct cqicb *)&qdev->rx_ring[qdev->rss_ring_count];
  57         if (le16_to_cpu(cqicb->irq_delay) != qdev->tx_coalesce_usecs ||
  58                 le16_to_cpu(cqicb->pkt_delay) !=
  59                                 qdev->tx_max_coalesced_frames) {
  60                 for (i = qdev->rss_ring_count; i < qdev->rx_ring_count; i++) {
  61                         rx_ring = &qdev->rx_ring[i];
  62                         cqicb = (struct cqicb *)rx_ring;
  63                         cqicb->irq_delay = cpu_to_le16(qdev->tx_coalesce_usecs);
  64                         cqicb->pkt_delay =
  65                             cpu_to_le16(qdev->tx_max_coalesced_frames);
  66                         cqicb->flags = FLAGS_LI;
  67                         status = ql_write_cfg(qdev, cqicb, sizeof(*cqicb),
  68                                                 CFG_LCQ, rx_ring->cq_id);
  69                         if (status) {
  70                                 QPRINTK(qdev, IFUP, ERR,
  71                                         "Failed to load CQICB.\n");
  72                                 goto exit;
  73                         }
  74                 }
  75         }
  76
  77         /* Update the inbound (RSS) handler queues if they changed. */
  78         cqicb = (struct cqicb *)&qdev->rx_ring[0];
  79         if (le16_to_cpu(cqicb->irq_delay) != qdev->rx_coalesce_usecs ||
  80                 le16_to_cpu(cqicb->pkt_delay) !=
  81                                         qdev->rx_max_coalesced_frames) {
  82                 for (i = 0; i < qdev->rss_ring_count; i++, rx_ring++) {
  83                         rx_ring = &qdev->rx_ring[i];
  84                         cqicb = (struct cqicb *)rx_ring;
  85                         cqicb->irq_delay = cpu_to_le16(qdev->rx_coalesce_usecs);
  86                         cqicb->pkt_delay =
  87                             cpu_to_le16(qdev->rx_max_coalesced_frames);
  88                         cqicb->flags = FLAGS_LI;
  89                         status = ql_write_cfg(qdev, cqicb, sizeof(*cqicb),
  90                                                 CFG_LCQ, rx_ring->cq_id);
  91                         if (status) {
  92                                 QPRINTK(qdev, IFUP, ERR,
  93                                         "Failed to load CQICB.\n");
  94                                 goto exit;
  95                         }
  96                 }
  97         }
  98 exit:
  99         return status;
 100 }
 101
 102 static void ql_update_stats(struct ql_adapter *qdev)
 103 {
 104         u32 i;
 105         u64 data;
 106         u64 *iter = &qdev->nic_stats.tx_pkts;
 107
 108         spin_lock(&qdev->stats_lock);
 109         if (ql_sem_spinlock(qdev, qdev->xg_sem_mask)) {
 110                         QPRINTK(qdev, DRV, ERR,
 111                                 "Couldn't get xgmac sem.\n");
 112                 goto quit;
 113         }
 114         /*
 115          * Get TX statistics.
 116          */
 117         for (i = 0x200; i < 0x280; i += 8) {
 118                 if (ql_read_xgmac_reg64(qdev, i, &data)) {
 119                         QPRINTK(qdev, DRV, ERR,
 120                                 "Error reading status register 0x%.04x.\n", i);
 121                         goto end;
 122                 } else
 123                         *iter = data;
 124                 iter++;
 125         }
 126
 127         /*
 128          * Get RX statistics.
 129          */
 130         for (i = 0x300; i < 0x3d0; i += 8) {
 131                 if (ql_read_xgmac_reg64(qdev, i, &data)) {
 132                         QPRINTK(qdev, DRV, ERR,
 133                                 "Error reading status register 0x%.04x.\n", i);
 134                         goto end;
 135                 } else
 136                         *iter = data;
 137                 iter++;
 138         }
 139
 140         /*
 141          * Get Per-priority TX pause frame counter statistics.
 142          */
 143         for (i = 0x500; i < 0x540; i += 8) {
 144                 if (ql_read_xgmac_reg64(qdev, i, &data)) {
 145                         QPRINTK(qdev, DRV, ERR,
 146                                 "Error reading status register 0x%.04x.\n", i);
 147                         goto end;
 148                 } else
 149                         *iter = data;
 150                 iter++;
 151         }
 152
 153         /*
 154          * Get Per-priority RX pause frame counter statistics.
 155          */
 156         for (i = 0x568; i < 0x5a8; i += 8) {
 157                 if (ql_read_xgmac_reg64(qdev, i, &data)) {
 158                         QPRINTK(qdev, DRV, ERR,
 159                                 "Error reading status register 0x%.04x.\n", i);
 160                         goto end;
 161                 } else
 162                         *iter = data;
 163                 iter++;
 164         }
 165
 166         /*
 167          * Get RX NIC FIFO DROP statistics.
 168          */
 169         if (ql_read_xgmac_reg64(qdev, 0x5b8, &data)) {
 170                 QPRINTK(qdev, DRV, ERR,
 171                         "Error reading status register 0x%.04x.\n", i);
 172                 goto end;
 173         } else
 174                 *iter = data;
 175 end:
 176         ql_sem_unlock(qdev, qdev->xg_sem_mask);
 177 quit:
 178         spin_unlock(&qdev->stats_lock);
 179
 180         QL_DUMP_STAT(qdev);
 181
 182         return;
 183 }
 184
 185 static char ql_stats_str_arr[][ETH_GSTRING_LEN] = {
 186         {"tx_pkts"},
 187         {"tx_bytes"},
 188         {"tx_mcast_pkts"},
 189         {"tx_bcast_pkts"},
 190         {"tx_ucast_pkts"},
 191         {"tx_ctl_pkts"},
 192         {"tx_pause_pkts"},
 193         {"tx_64_pkts"},
 194         {"tx_65_to_127_pkts"},
 195         {"tx_128_to_255_pkts"},
 196         {"tx_256_511_pkts"},
 197         {"tx_512_to_1023_pkts"},
 198         {"tx_1024_to_1518_pkts"},
 199         {"tx_1519_to_max_pkts"},
 200         {"tx_undersize_pkts"},
 201         {"tx_oversize_pkts"},
 202         {"rx_bytes"},
 203         {"rx_bytes_ok"},
 204         {"rx_pkts"},
 205         {"rx_pkts_ok"},
 206         {"rx_bcast_pkts"},
 207         {"rx_mcast_pkts"},
 208         {"rx_ucast_pkts"},
 209         {"rx_undersize_pkts"},
 210         {"rx_oversize_pkts"},
 211         {"rx_jabber_pkts"},
 212         {"rx_undersize_fcerr_pkts"},
 213         {"rx_drop_events"},
 214         {"rx_fcerr_pkts"},
 215         {"rx_align_err"},
 216         {"rx_symbol_err"},
 217         {"rx_mac_err"},
 218         {"rx_ctl_pkts"},
 219         {"rx_pause_pkts"},
 220         {"rx_64_pkts"},
 221         {"rx_65_to_127_pkts"},
 222         {"rx_128_255_pkts"},
 223         {"rx_256_511_pkts"},
 224         {"rx_512_to_1023_pkts"},
 225         {"rx_1024_to_1518_pkts"},
 226         {"rx_1519_to_max_pkts"},
 227         {"rx_len_err_pkts"},
 228         {"tx_cbfc_pause_frames0"},
 229         {"tx_cbfc_pause_frames1"},
 230         {"tx_cbfc_pause_frames2"},
 231         {"tx_cbfc_pause_frames3"},
 232         {"tx_cbfc_pause_frames4"},
 233         {"tx_cbfc_pause_frames5"},
 234         {"tx_cbfc_pause_frames6"},
 235         {"tx_cbfc_pause_frames7"},
 236         {"rx_cbfc_pause_frames0"},
 237         {"rx_cbfc_pause_frames1"},
 238         {"rx_cbfc_pause_frames2"},
 239         {"rx_cbfc_pause_frames3"},
 240         {"rx_cbfc_pause_frames4"},
 241         {"rx_cbfc_pause_frames5"},
 242         {"rx_cbfc_pause_frames6"},
 243         {"rx_cbfc_pause_frames7"},
 244         {"rx_nic_fifo_drop"},
 245 };
 246
 247 static void ql_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
 248 {
 249         switch (stringset) {
 250         case ETH_SS_STATS:
 251                 memcpy(buf, ql_stats_str_arr, sizeof(ql_stats_str_arr));
 252                 break;
 253         }
 254 }
 255
 256 static int ql_get_sset_count(struct net_device *dev, int sset)
 257 {
 258         switch (sset) {
 259         case ETH_SS_TEST:
 260                 return QLGE_TEST_LEN;
 261         case ETH_SS_STATS:
 262                 return ARRAY_SIZE(ql_stats_str_arr);
 263         default:
 264                 return -EOPNOTSUPP;
 265         }
 266 }
 267
 268 static void
 269 ql_get_ethtool_stats(struct net_device *ndev,
 270                      struct ethtool_stats *stats, u64 *data)
 271 {
 272         struct ql_adapter *qdev = netdev_priv(ndev);
 273         struct nic_stats *s = &qdev->nic_stats;
 274
 275         ql_update_stats(qdev);
 276
 277         *data++ = s->tx_pkts;
 278         *data++ = s->tx_bytes;
 279         *data++ = s->tx_mcast_pkts;
 280         *data++ = s->tx_bcast_pkts;
 281         *data++ = s->tx_ucast_pkts;
 282         *data++ = s->tx_ctl_pkts;
 283         *data++ = s->tx_pause_pkts;
 284         *data++ = s->tx_64_pkt;
 285         *data++ = s->tx_65_to_127_pkt;
 286         *data++ = s->tx_128_to_255_pkt;
 287         *data++ = s->tx_256_511_pkt;
 288         *data++ = s->tx_512_to_1023_pkt;
 289         *data++ = s->tx_1024_to_1518_pkt;
 290         *data++ = s->tx_1519_to_max_pkt;
 291         *data++ = s->tx_undersize_pkt;
 292         *data++ = s->tx_oversize_pkt;
 293         *data++ = s->rx_bytes;
 294         *data++ = s->rx_bytes_ok;
 295         *data++ = s->rx_pkts;
 296         *data++ = s->rx_pkts_ok;
 297         *data++ = s->rx_bcast_pkts;
 298         *data++ = s->rx_mcast_pkts;
 299         *data++ = s->rx_ucast_pkts;
 300         *data++ = s->rx_undersize_pkts;
 301         *data++ = s->rx_oversize_pkts;
 302         *data++ = s->rx_jabber_pkts;
 303         *data++ = s->rx_undersize_fcerr_pkts;
 304         *data++ = s->rx_drop_events;
 305         *data++ = s->rx_fcerr_pkts;
 306         *data++ = s->rx_align_err;
 307         *data++ = s->rx_symbol_err;
 308         *data++ = s->rx_mac_err;
 309         *data++ = s->rx_ctl_pkts;
 310         *data++ = s->rx_pause_pkts;
 311         *data++ = s->rx_64_pkts;
 312         *data++ = s->rx_65_to_127_pkts;
 313         *data++ = s->rx_128_255_pkts;
 314         *data++ = s->rx_256_511_pkts;
 315         *data++ = s->rx_512_to_1023_pkts;
 316         *data++ = s->rx_1024_to_1518_pkts;
 317         *data++ = s->rx_1519_to_max_pkts;
 318         *data++ = s->rx_len_err_pkts;
 319         *data++ = s->tx_cbfc_pause_frames0;
 320         *data++ = s->tx_cbfc_pause_frames1;
 321         *data++ = s->tx_cbfc_pause_frames2;
 322         *data++ = s->tx_cbfc_pause_frames3;
 323         *data++ = s->tx_cbfc_pause_frames4;
 324         *data++ = s->tx_cbfc_pause_frames5;
 325         *data++ = s->tx_cbfc_pause_frames6;
 326         *data++ = s->tx_cbfc_pause_frames7;
 327         *data++ = s->rx_cbfc_pause_frames0;
 328         *data++ = s->rx_cbfc_pause_frames1;
 329         *data++ = s->rx_cbfc_pause_frames2;
 330         *data++ = s->rx_cbfc_pause_frames3;
 331         *data++ = s->rx_cbfc_pause_frames4;
 332         *data++ = s->rx_cbfc_pause_frames5;
 333         *data++ = s->rx_cbfc_pause_frames6;
 334         *data++ = s->rx_cbfc_pause_frames7;
 335         *data++ = s->rx_nic_fifo_drop;
 336 }
 337
 338 static int ql_get_settings(struct net_device *ndev,
 339                               struct ethtool_cmd *ecmd)
 340 {
 341         struct ql_adapter *qdev = netdev_priv(ndev);
 342
 343         ecmd->supported = SUPPORTED_10000baseT_Full;
 344         ecmd->advertising = ADVERTISED_10000baseT_Full;
 345         ecmd->autoneg = AUTONEG_ENABLE;
 346         ecmd->transceiver = XCVR_EXTERNAL;
 347         if ((qdev->link_status & STS_LINK_TYPE_MASK) ==
 348                                 STS_LINK_TYPE_10GBASET) {
 349                 ecmd->supported |= (SUPPORTED_TP | SUPPORTED_Autoneg);
 350                 ecmd->advertising |= (ADVERTISED_TP | ADVERTISED_Autoneg);
 351                 ecmd->port = PORT_TP;
 352         } else {
 353                 ecmd->supported |= SUPPORTED_FIBRE;
 354                 ecmd->advertising |= ADVERTISED_FIBRE;
 355                 ecmd->port = PORT_FIBRE;
 356         }
 357
 358         ecmd->speed = SPEED_10000;
 359         ecmd->duplex = DUPLEX_FULL;
 360
 361         return 0;
 362 }
 363
 364 static void ql_get_drvinfo(struct net_device *ndev,
 365                            struct ethtool_drvinfo *drvinfo)
 366 {
 367         struct ql_adapter *qdev = netdev_priv(ndev);
 368         strncpy(drvinfo->driver, qlge_driver_name, 32);
 369         strncpy(drvinfo->version, qlge_driver_version, 32);
 370         snprintf(drvinfo->fw_version, 32, "v%d.%d.%d",
 371                  (qdev->fw_rev_id & 0x00ff0000) >> 16,
 372                  (qdev->fw_rev_id & 0x0000ff00) >> 8,
 373                  (qdev->fw_rev_id & 0x000000ff));
 374         strncpy(drvinfo->bus_info, pci_name(qdev->pdev), 32);
 375         drvinfo->n_stats = 0;
 376         drvinfo->testinfo_len = 0;
 377         drvinfo->regdump_len = 0;
 378         drvinfo->eedump_len = 0;
 379 }
 380
 381 static void ql_get_wol(struct net_device *ndev, struct ethtool_wolinfo *wol)
 382 {
 383         struct ql_adapter *qdev = netdev_priv(ndev);
 384         /* What we support. */
 385         wol->supported = WAKE_MAGIC;
 386         /* What we've currently got set. */
 387         wol->wolopts = qdev->wol;
 388 }
 389
 390 static int ql_set_wol(struct net_device *ndev, struct ethtool_wolinfo *wol)
 391 {
 392         struct ql_adapter *qdev = netdev_priv(ndev);
 393         int status;
 394
 395         if (wol->wolopts & ~WAKE_MAGIC)
 396                 return -EINVAL;
 397         qdev->wol = wol->wolopts;
 398
 399         QPRINTK(qdev, DRV, INFO, "Set wol option 0x%x on %s\n",
 400                          qdev->wol, ndev->name);
 401         if (!qdev->wol) {
 402                 u32 wol = 0;
 403                 status = ql_mb_wol_mode(qdev, wol);
 404                 QPRINTK(qdev, DRV, ERR, "WOL %s (wol code 0x%x) on %s\n",
 405                         (status == 0) ? "cleared sucessfully" : "clear failed",
 406                         wol, qdev->ndev->name);
 407         }
 408
 409         return 0;
 410 }
 411
 412 static int ql_phys_id(struct net_device *ndev, u32 data)
 413 {
 414         struct ql_adapter *qdev = netdev_priv(ndev);
 415         u32 led_reg, i;
 416         int status;
 417
 418         /* Save the current LED settings */
 419         status = ql_mb_get_led_cfg(qdev);
 420         if (status)
 421                 return status;
 422         led_reg = qdev->led_config;
 423
 424         /* Start blinking the led */
 425         if (!data || data > 300)
 426                 data = 300;
 427
 428         for (i = 0; i < (data * 10); i++)
 429                 ql_mb_set_led_cfg(qdev, QL_LED_BLINK);
 430
 431         /* Restore LED settings */
 432         status = ql_mb_set_led_cfg(qdev, led_reg);
 433         if (status)
 434                 return status;
 435
 436         return 0;
 437 }
 438
 439 static int ql_start_loopback(struct ql_adapter *qdev)
 440 {
 441         if (netif_carrier_ok(qdev->ndev)) {
 442                 set_bit(QL_LB_LINK_UP, &qdev->flags);
 443                 netif_carrier_off(qdev->ndev);
 444         } else
 445                 clear_bit(QL_LB_LINK_UP, &qdev->flags);
 446         qdev->link_config |= CFG_LOOPBACK_PCS;
 447         return ql_mb_set_port_cfg(qdev);
 448 }
 449
 450 static void ql_stop_loopback(struct ql_adapter *qdev)
 451 {
 452         qdev->link_config &= ~CFG_LOOPBACK_PCS;
 453         ql_mb_set_port_cfg(qdev);
 454         if (test_bit(QL_LB_LINK_UP, &qdev->flags)) {
 455                 netif_carrier_on(qdev->ndev);
 456                 clear_bit(QL_LB_LINK_UP, &qdev->flags);
 457         }
 458 }
 459
 460 static void ql_create_lb_frame(struct sk_buff *skb,
 461                                         unsigned int frame_size)
 462 {
 463         memset(skb->data, 0xFF, frame_size);
 464         frame_size &= ~1;
 465         memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
 466         memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
 467         memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
 468 }
 469
 470 void ql_check_lb_frame(struct ql_adapter *qdev,
 471                                         struct sk_buff *skb)
 472 {
 473         unsigned int frame_size = skb->len;
 474
 475         if ((*(skb->data + 3) == 0xFF) &&
 476                 (*(skb->data + frame_size / 2 + 10) == 0xBE) &&
 477                 (*(skb->data + frame_size / 2 + 12) == 0xAF)) {
 478                         atomic_dec(&qdev->lb_count);
 479                         return;
 480         }
 481 }
 482
 483 static int ql_run_loopback_test(struct ql_adapter *qdev)
 484 {
 485         int i;
 486         netdev_tx_t rc;
 487         struct sk_buff *skb;
 488         unsigned int size = SMALL_BUF_MAP_SIZE;
 489
 490         for (i = 0; i < 64; i++) {
 491                 skb = netdev_alloc_skb(qdev->ndev, size);
 492                 if (!skb)
 493                         return -ENOMEM;
 494
 495                 skb->queue_mapping = 0;
 496                 skb_put(skb, size);
 497                 ql_create_lb_frame(skb, size);
 498                 rc = ql_lb_send(skb, qdev->ndev);
 499                 if (rc != NETDEV_TX_OK)
 500                         return -EPIPE;
 501                 atomic_inc(&qdev->lb_count);
 502         }
 503
 504         ql_clean_lb_rx_ring(&qdev->rx_ring[0], 128);
 505         return atomic_read(&qdev->lb_count) ? -EIO : 0;
 506 }
 507
 508 static int ql_loopback_test(struct ql_adapter *qdev, u64 *data)
 509 {
 510         *data = ql_start_loopback(qdev);
 511         if (*data)
 512                 goto out;
 513         *data = ql_run_loopback_test(qdev);
 514 out:
 515         ql_stop_loopback(qdev);
 516         return *data;
 517 }
 518
 519 static void ql_self_test(struct net_device *ndev,
 520                                 struct ethtool_test *eth_test, u64 *data)
 521 {
 522         struct ql_adapter *qdev = netdev_priv(ndev);
 523
 524         if (netif_running(ndev)) {
 525                 set_bit(QL_SELFTEST, &qdev->flags);
 526                 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
 527                         /* Offline tests */
 528                         if (ql_loopback_test(qdev, &data[0]))
 529                                 eth_test->flags |= ETH_TEST_FL_FAILED;
 530
 531                 } else {
 532                         /* Online tests */
 533                         data[0] = 0;
 534                 }
 535                 clear_bit(QL_SELFTEST, &qdev->flags);
 536         } else {
 537                 QPRINTK(qdev, DRV, ERR,
 538                         "%s: is down, Loopback test will fail.\n", ndev->name);
 539                 eth_test->flags |= ETH_TEST_FL_FAILED;
 540         }
 541 }
 542
 543 static int ql_get_regs_len(struct net_device *ndev)
 544 {
 545         return sizeof(struct ql_reg_dump);
 546 }
 547
 548 static void ql_get_regs(struct net_device *ndev,
 549                         struct ethtool_regs *regs, void *p)
 550 {
 551         struct ql_adapter *qdev = netdev_priv(ndev);
 552
 553         ql_gen_reg_dump(qdev, p);
 554 }
 555
 556 static int ql_get_coalesce(struct net_device *dev, struct ethtool_coalesce *c)
 557 {
 558         struct ql_adapter *qdev = netdev_priv(dev);
 559
 560         c->rx_coalesce_usecs = qdev->rx_coalesce_usecs;
 561         c->tx_coalesce_usecs = qdev->tx_coalesce_usecs;
 562
 563         /* This chip coalesces as follows:
 564          * If a packet arrives, hold off interrupts until
 565          * cqicb->int_delay expires, but if no other packets arrive don't
 566          * wait longer than cqicb->pkt_int_delay. But ethtool doesn't use a
 567          * timer to coalesce on a frame basis.  So, we have to take ethtool's
 568          * max_coalesced_frames value and convert it to a delay in microseconds.
 569          * We do this by using a basic thoughput of 1,000,000 frames per
 570          * second @ (1024 bytes).  This means one frame per usec. So it's a
 571          * simple one to one ratio.
 572          */
 573         c->rx_max_coalesced_frames = qdev->rx_max_coalesced_frames;
 574         c->tx_max_coalesced_frames = qdev->tx_max_coalesced_frames;
 575
 576         return 0;
 577 }
 578
 579 static int ql_set_coalesce(struct net_device *ndev, struct ethtool_coalesce *c)
 580 {
 581         struct ql_adapter *qdev = netdev_priv(ndev);
 582
 583         /* Validate user parameters. */
 584         if (c->rx_coalesce_usecs > qdev->rx_ring_size / 2)
 585                 return -EINVAL;
 586        /* Don't wait more than 10 usec. */
 587         if (c->rx_max_coalesced_frames > MAX_INTER_FRAME_WAIT)
 588                 return -EINVAL;
 589         if (c->tx_coalesce_usecs > qdev->tx_ring_size / 2)
 590                 return -EINVAL;
 591         if (c->tx_max_coalesced_frames > MAX_INTER_FRAME_WAIT)
 592                 return -EINVAL;
 593
 594         /* Verify a change took place before updating the hardware. */
 595         if (qdev->rx_coalesce_usecs == c->rx_coalesce_usecs &&
 596             qdev->tx_coalesce_usecs == c->tx_coalesce_usecs &&
 597             qdev->rx_max_coalesced_frames == c->rx_max_coalesced_frames &&
 598             qdev->tx_max_coalesced_frames == c->tx_max_coalesced_frames)
 599                 return 0;
 600
 601         qdev->rx_coalesce_usecs = c->rx_coalesce_usecs;
 602         qdev->tx_coalesce_usecs = c->tx_coalesce_usecs;
 603         qdev->rx_max_coalesced_frames = c->rx_max_coalesced_frames;
 604         qdev->tx_max_coalesced_frames = c->tx_max_coalesced_frames;
 605
 606         return ql_update_ring_coalescing(qdev);
 607 }
 608
 609 static void ql_get_pauseparam(struct net_device *netdev,
 610                         struct ethtool_pauseparam *pause)
 611 {
 612         struct ql_adapter *qdev = netdev_priv(netdev);
 613
 614         ql_mb_get_port_cfg(qdev);
 615         if (qdev->link_config & CFG_PAUSE_STD) {
 616                 pause->rx_pause = 1;
 617                 pause->tx_pause = 1;
 618         }
 619 }
 620
 621 static int ql_set_pauseparam(struct net_device *netdev,
 622                         struct ethtool_pauseparam *pause)
 623 {
 624         struct ql_adapter *qdev = netdev_priv(netdev);
 625         int status = 0;
 626
 627         if ((pause->rx_pause) && (pause->tx_pause))
 628                 qdev->link_config |= CFG_PAUSE_STD;
 629         else if (!pause->rx_pause && !pause->tx_pause)
 630                 qdev->link_config &= ~CFG_PAUSE_STD;
 631         else
 632                 return -EINVAL;
 633
 634         status = ql_mb_set_port_cfg(qdev);
 635         if (status)
 636                 return status;
 637         return status;
 638 }
 639
 640 static u32 ql_get_rx_csum(struct net_device *netdev)
 641 {
 642         struct ql_adapter *qdev = netdev_priv(netdev);
 643         return qdev->rx_csum;
 644 }
 645
 646 static int ql_set_rx_csum(struct net_device *netdev, uint32_t data)
 647 {
 648         struct ql_adapter *qdev = netdev_priv(netdev);
 649         qdev->rx_csum = data;
 650         return 0;
 651 }
 652
 653 static int ql_set_tso(struct net_device *ndev, uint32_t data)
 654 {
 655
 656         if (data) {
 657                 ndev->features |= NETIF_F_TSO;
 658                 ndev->features |= NETIF_F_TSO6;
 659         } else {
 660                 ndev->features &= ~NETIF_F_TSO;
 661                 ndev->features &= ~NETIF_F_TSO6;
 662         }
 663         return 0;
 664 }
 665
 666 static u32 ql_get_msglevel(struct net_device *ndev)
 667 {
 668         struct ql_adapter *qdev = netdev_priv(ndev);
 669         return qdev->msg_enable;
 670 }
 671
 672 static void ql_set_msglevel(struct net_device *ndev, u32 value)
 673 {
 674         struct ql_adapter *qdev = netdev_priv(ndev);
 675         qdev->msg_enable = value;
 676 }
 677
 678 const struct ethtool_ops qlge_ethtool_ops = {
 679         .get_settings = ql_get_settings,
 680         .get_drvinfo = ql_get_drvinfo,
 681         .get_wol = ql_get_wol,
 682         .set_wol = ql_set_wol,
 683         .get_regs_len   = ql_get_regs_len,
 684         .get_regs = ql_get_regs,
 685         .get_msglevel = ql_get_msglevel,
 686         .set_msglevel = ql_set_msglevel,
 687         .get_link = ethtool_op_get_link,
 688         .phys_id                 = ql_phys_id,
 689         .self_test               = ql_self_test,
 690         .get_pauseparam          = ql_get_pauseparam,
 691         .set_pauseparam          = ql_set_pauseparam,
 692         .get_rx_csum = ql_get_rx_csum,
 693         .set_rx_csum = ql_set_rx_csum,
 694         .get_tx_csum = ethtool_op_get_tx_csum,
 695         .set_tx_csum = ethtool_op_set_tx_csum,
 696         .get_sg = ethtool_op_get_sg,
 697         .set_sg = ethtool_op_set_sg,
 698         .get_tso = ethtool_op_get_tso,
 699         .set_tso = ql_set_tso,
 700         .get_coalesce = ql_get_coalesce,
 701         .set_coalesce = ql_set_coalesce,
 702         .get_sset_count = ql_get_sset_count,
 703         .get_strings = ql_get_strings,
 704         .get_ethtool_stats = ql_get_ethtool_stats,
 705 };
 706