sys/dev/sfxge/common/hunt_mac.c

   1 /*-
   2  * Copyright (c) 2012-2015 Solarflare Communications Inc.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions are met:
   7  *
   8  * 1. Redistributions of source code must retain the above copyright notice,
   9  *    this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright notice,
  11  *    this list of conditions and the following disclaimer in the documentation
  12  *    and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  15  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  16  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  17  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  18  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  19  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  20  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
  21  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  22  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  23  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
  24  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  25  *
  26  * The views and conclusions contained in the software and documentation are
  27  * those of the authors and should not be interpreted as representing official
  28  * policies, either expressed or implied, of the FreeBSD Project.
  29  */
  30
  31 #include <sys/cdefs.h>
  32 __FBSDID("$FreeBSD$");
  33
  34 #include "efsys.h"
  35 #include "efx.h"
  36 #include "efx_impl.h"
  37
  38
  39 #if EFSYS_OPT_HUNTINGTON
  40
  41         __checkReturn   int
  42 hunt_mac_poll(
  43         __in            efx_nic_t *enp,
  44         __out           efx_link_mode_t *link_modep)
  45 {
  46         /*
  47          * TBD: Consider a common Siena/Huntington function.  The code is
  48          * essentially identical.
  49          */
  50
  51         efx_port_t *epp = &(enp->en_port);
  52         hunt_link_state_t hls;
  53         int rc;
  54
  55         if ((rc = hunt_phy_get_link(enp, &hls)) != 0)
  56                 goto fail1;
  57
  58         epp->ep_adv_cap_mask = hls.hls_adv_cap_mask;
  59         epp->ep_fcntl = hls.hls_fcntl;
  60
  61         *link_modep = hls.hls_link_mode;
  62
  63         return (0);
  64
  65 fail1:
  66         EFSYS_PROBE1(fail1, int, rc);
  67
  68         *link_modep = EFX_LINK_UNKNOWN;
  69
  70         return (rc);
  71 }
  72
  73         __checkReturn   int
  74 hunt_mac_up(
  75         __in            efx_nic_t *enp,
  76         __out           boolean_t *mac_upp)
  77 {
  78         /*
  79          * TBD: Consider a common Siena/Huntington function.  The code is
  80          * essentially identical.
  81          */
  82
  83         hunt_link_state_t hls;
  84         int rc;
  85
  86         /*
  87          * Because Huntington doesn't *require* polling, we can't rely on
  88          * hunt_mac_poll() being executed to populate epp->ep_mac_up.
  89          */
  90         if ((rc = hunt_phy_get_link(enp, &hls)) != 0)
  91                 goto fail1;
  92
  93         *mac_upp = hls.hls_mac_up;
  94
  95         return (0);
  96
  97 fail1:
  98         EFSYS_PROBE1(fail1, int, rc);
  99
 100         return (rc);
 101 }
 102
 103 /*
 104  * Huntington uses MC_CMD_VADAPTOR_SET_MAC to set the
 105  * MAC address; the address field in MC_CMD_SET_MAC has no
 106  * effect.
 107  * MC_CMD_VADAPTOR_SET_MAC requires mac-spoofing privilege and
 108  * the port to have no filters or queues active.
 109  */
 110 static  __checkReturn   int
 111 efx_mcdi_vadapter_set_mac(
 112         __in            efx_nic_t *enp)
 113 {
 114         efx_port_t *epp = &(enp->en_port);
 115         efx_mcdi_req_t req;
 116         uint8_t payload[MAX(MC_CMD_VADAPTOR_SET_MAC_IN_LEN,
 117                             MC_CMD_VADAPTOR_SET_MAC_OUT_LEN)];
 118         int rc;
 119
 120         (void) memset(payload, 0, sizeof (payload));
 121         req.emr_cmd = MC_CMD_VADAPTOR_SET_MAC;
 122         req.emr_in_buf = payload;
 123         req.emr_in_length = MC_CMD_VADAPTOR_SET_MAC_IN_LEN;
 124         req.emr_out_buf = payload;
 125         req.emr_out_length = MC_CMD_VADAPTOR_SET_MAC_OUT_LEN;
 126
 127         MCDI_IN_SET_DWORD(req, VADAPTOR_SET_MAC_IN_UPSTREAM_PORT_ID,
 128             enp->en_vport_id);
 129         EFX_MAC_ADDR_COPY(MCDI_IN2(req, uint8_t, VADAPTOR_SET_MAC_IN_MACADDR),
 130             epp->ep_mac_addr);
 131
 132         efx_mcdi_execute(enp, &req);
 133
 134         if (req.emr_rc != 0) {
 135                 rc = req.emr_rc;
 136                 goto fail1;
 137         }
 138
 139         return (0);
 140
 141 fail1:
 142         EFSYS_PROBE1(fail1, int, rc);
 143
 144         return (rc);
 145 }
 146
 147         __checkReturn   int
 148 hunt_mac_addr_set(
 149         __in            efx_nic_t *enp)
 150 {
 151         int rc;
 152
 153         if ((rc = efx_mcdi_vadapter_set_mac(enp)) != 0) {
 154                 if (rc != ENOTSUP)
 155                         goto fail1;
 156
 157                 /* Fallback for older firmware without Vadapter support */
 158                 if ((rc = hunt_mac_reconfigure(enp)) != 0)
 159                         goto fail2;
 160         }
 161
 162         return (0);
 163
 164 fail2:
 165         EFSYS_PROBE(fail2);
 166
 167 fail1:
 168         EFSYS_PROBE1(fail1, int, rc);
 169
 170         return (rc);
 171 }
 172
 173 __checkReturn   int
 174 hunt_mac_reconfigure(
 175         __in            efx_nic_t *enp)
 176 {
 177         efx_port_t *epp = &(enp->en_port);
 178         efx_mcdi_req_t req;
 179         uint8_t payload[MAX(MC_CMD_SET_MAC_IN_LEN,
 180                             MC_CMD_SET_MAC_OUT_LEN)];
 181         int rc;
 182
 183         (void) memset(payload, 0, sizeof (payload));
 184         req.emr_cmd = MC_CMD_SET_MAC;
 185         req.emr_in_buf = payload;
 186         req.emr_in_length = MC_CMD_SET_MAC_IN_LEN;
 187         req.emr_out_buf = payload;
 188         req.emr_out_length = MC_CMD_SET_MAC_OUT_LEN;
 189
 190         MCDI_IN_SET_DWORD(req, SET_MAC_IN_MTU, epp->ep_mac_pdu);
 191         MCDI_IN_SET_DWORD(req, SET_MAC_IN_DRAIN, epp->ep_mac_drain ? 1 : 0);
 192         EFX_MAC_ADDR_COPY(MCDI_IN2(req, uint8_t, SET_MAC_IN_ADDR),
 193                             epp->ep_mac_addr);
 194
 195         /*
 196          * Note: The Huntington MAC does not support REJECT_BRDCST.
 197          * The REJECT_UNCST flag will also prevent multicast traffic
 198          * from reaching the filters. As Huntington filters drop any
 199          * traffic that does not match a filter it is ok to leave the
 200          * MAC running in promiscuous mode. See bug41141.
 201          */
 202         MCDI_IN_POPULATE_DWORD_2(req, SET_MAC_IN_REJECT,
 203                                     SET_MAC_IN_REJECT_UNCST, 0,
 204                                     SET_MAC_IN_REJECT_BRDCST, 0);
 205
 206         /*
 207          * Flow control, whether it is auto-negotiated or not,
 208          * is set via the PHY advertised capabilities.  When set to
 209          * automatic the MAC will use the PHY settings to determine
 210          * the flow control settings.
 211          */
 212         MCDI_IN_SET_DWORD(req, SET_MAC_IN_FCNTL, MC_CMD_FCNTL_AUTO);
 213
 214         /* Do not include the Ethernet frame checksum in RX packets */
 215         MCDI_IN_POPULATE_DWORD_1(req, SET_MAC_IN_FLAGS,
 216                                     SET_MAC_IN_FLAG_INCLUDE_FCS, 0);
 217
 218         efx_mcdi_execute_quiet(enp, &req);
 219
 220         if (req.emr_rc != 0) {
 221                 /*
 222                  * Unprivileged functions cannot control link state,
 223                  * but still need to configure filters.
 224                  */
 225                 if (req.emr_rc != EACCES) {
 226                         rc = req.emr_rc;
 227                         goto fail1;
 228                 }
 229         }
 230
 231         /*
 232          * Apply the filters for the MAC configuration.
 233          * If the NIC isn't ready to accept filters this may
 234          * return success without setting anything.
 235          */
 236         rc = efx_filter_reconfigure(enp, epp->ep_mac_addr,
 237                                     epp->ep_all_unicst, epp->ep_mulcst,
 238                                     epp->ep_all_mulcst, epp->ep_brdcst,
 239                                     epp->ep_mulcst_addr_list,
 240                                     epp->ep_mulcst_addr_count);
 241
 242         return (0);
 243
 244 fail1:
 245         EFSYS_PROBE1(fail1, int, rc);
 246
 247         return (rc);
 248 }
 249
 250         __checkReturn                   int
 251 hunt_mac_multicast_list_set(
 252         __in                            efx_nic_t *enp)
 253 {
 254         efx_port_t *epp = &(enp->en_port);
 255         efx_mac_ops_t *emop = epp->ep_emop;
 256         int rc;
 257
 258         EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON);
 259
 260         /* FIXME: Insert filters for multicast list */
 261
 262         if ((rc = emop->emo_reconfigure(enp)) != 0)
 263                 goto fail1;
 264
 265         return (0);
 266
 267 fail1:
 268         EFSYS_PROBE1(fail1, int, rc);
 269
 270         return (rc);
 271 }
 272
 273         __checkReturn   int
 274 hunt_mac_filter_default_rxq_set(
 275         __in            efx_nic_t *enp,
 276         __in            efx_rxq_t *erp,
 277         __in            boolean_t using_rss)
 278 {
 279         efx_port_t *epp = &(enp->en_port);
 280         efx_rxq_t *old_rxq;
 281         boolean_t old_using_rss;
 282         int rc;
 283
 284         hunt_filter_get_default_rxq(enp, &old_rxq, &old_using_rss);
 285
 286         hunt_filter_default_rxq_set(enp, erp, using_rss);
 287
 288         rc = efx_filter_reconfigure(enp, epp->ep_mac_addr,
 289                                     epp->ep_all_unicst, epp->ep_mulcst,
 290                                     epp->ep_all_mulcst, epp->ep_brdcst,
 291                                     epp->ep_mulcst_addr_list,
 292                                     epp->ep_mulcst_addr_count);
 293
 294         if (rc != 0)
 295                 goto fail1;
 296
 297         return (0);
 298
 299 fail1:
 300         EFSYS_PROBE1(fail1, int, rc);
 301
 302         hunt_filter_default_rxq_set(enp, old_rxq, old_using_rss);
 303
 304         return (rc);
 305 }
 306
 307                         void
 308 hunt_mac_filter_default_rxq_clear(
 309         __in            efx_nic_t *enp)
 310 {
 311         efx_port_t *epp = &(enp->en_port);
 312
 313         hunt_filter_default_rxq_clear(enp);
 314
 315         efx_filter_reconfigure(enp, epp->ep_mac_addr,
 316                                     epp->ep_all_unicst, epp->ep_mulcst,
 317                                     epp->ep_all_mulcst, epp->ep_brdcst,
 318                                     epp->ep_mulcst_addr_list,
 319                                     epp->ep_mulcst_addr_count);
 320 }
 321
 322
 323 #if EFSYS_OPT_LOOPBACK
 324
 325         __checkReturn   int
 326 hunt_mac_loopback_set(
 327         __in            efx_nic_t *enp,
 328         __in            efx_link_mode_t link_mode,
 329         __in            efx_loopback_type_t loopback_type)
 330 {
 331         /*
 332          * TBD: Consider a common Siena/Huntington function.  The code is
 333          * essentially identical.
 334          */
 335
 336         efx_port_t *epp = &(enp->en_port);
 337         efx_phy_ops_t *epop = epp->ep_epop;
 338         efx_loopback_type_t old_loopback_type;
 339         efx_link_mode_t old_loopback_link_mode;
 340         int rc;
 341
 342         /* The PHY object handles this on Huntington */
 343         old_loopback_type = epp->ep_loopback_type;
 344         old_loopback_link_mode = epp->ep_loopback_link_mode;
 345         epp->ep_loopback_type = loopback_type;
 346         epp->ep_loopback_link_mode = link_mode;
 347
 348         if ((rc = epop->epo_reconfigure(enp)) != 0)
 349                 goto fail1;
 350
 351         return (0);
 352
 353 fail1:
 354         EFSYS_PROBE(fail2);
 355
 356         epp->ep_loopback_type = old_loopback_type;
 357         epp->ep_loopback_link_mode = old_loopback_link_mode;
 358
 359         return (rc);
 360 }
 361
 362 #endif  /* EFSYS_OPT_LOOPBACK */
 363
 364 #if EFSYS_OPT_MAC_STATS
 365
 366 #define HUNT_MAC_STAT_READ(_esmp, _field, _eqp)                 \
 367         EFSYS_MEM_READQ((_esmp), (_field) * sizeof (efx_qword_t), _eqp)
 368
 369
 370         __checkReturn                   int
 371 hunt_mac_stats_update(
 372         __in                            efx_nic_t *enp,
 373         __in                            efsys_mem_t *esmp,
 374         __out_ecount(EFX_MAC_NSTATS)    efsys_stat_t *stat,
 375         __out_opt                       uint32_t *generationp)
 376 {
 377         efx_qword_t value;
 378         efx_qword_t generation_start;
 379         efx_qword_t generation_end;
 380
 381         _NOTE(ARGUNUSED(enp))
 382
 383         /* Read END first so we don't race with the MC */
 384         EFSYS_DMA_SYNC_FOR_KERNEL(esmp, 0, EFX_MAC_STATS_SIZE);
 385         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_GENERATION_END,
 386                             &generation_end);
 387         EFSYS_MEM_READ_BARRIER();
 388
 389         /* TX */
 390         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_PKTS, &value);
 391         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_PKTS]), &value);
 392
 393         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_CONTROL_PKTS, &value);
 394         EFSYS_STAT_SUBR_QWORD(&(stat[EFX_MAC_TX_PKTS]), &value);
 395
 396         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_PAUSE_PKTS, &value);
 397         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_PAUSE_PKTS]), &value);
 398
 399         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_UNICAST_PKTS, &value);
 400         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_UNICST_PKTS]), &value);
 401
 402         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_MULTICAST_PKTS, &value);
 403         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_MULTICST_PKTS]), &value);
 404
 405         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_BROADCAST_PKTS, &value);
 406         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_BRDCST_PKTS]), &value);
 407
 408         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_BYTES, &value);
 409         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_OCTETS]), &value);
 410
 411         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_LT64_PKTS, &value);
 412         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_LE_64_PKTS]), &value);
 413         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_64_PKTS, &value);
 414         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_LE_64_PKTS]), &value);
 415
 416         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_65_TO_127_PKTS, &value);
 417         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_65_TO_127_PKTS]), &value);
 418
 419         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_128_TO_255_PKTS, &value);
 420         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_128_TO_255_PKTS]), &value);
 421
 422         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_256_TO_511_PKTS, &value);
 423         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_256_TO_511_PKTS]), &value);
 424
 425         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_512_TO_1023_PKTS, &value);
 426         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_512_TO_1023_PKTS]), &value);
 427
 428         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_1024_TO_15XX_PKTS, &value);
 429         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_1024_TO_15XX_PKTS]), &value);
 430
 431         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_15XX_TO_JUMBO_PKTS, &value);
 432         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_GE_15XX_PKTS]), &value);
 433         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_GTJUMBO_PKTS, &value);
 434         EFSYS_STAT_INCR_QWORD(&(stat[EFX_MAC_TX_GE_15XX_PKTS]), &value);
 435
 436         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_BAD_FCS_PKTS, &value);
 437         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_ERRORS]), &value);
 438
 439         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_SINGLE_COLLISION_PKTS, &value);
 440         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_SGL_COL_PKTS]), &value);
 441
 442         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_MULTIPLE_COLLISION_PKTS,
 443                             &value);
 444         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_MULT_COL_PKTS]), &value);
 445
 446         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_EXCESSIVE_COLLISION_PKTS,
 447                             &value);
 448         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_EX_COL_PKTS]), &value);
 449
 450         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_LATE_COLLISION_PKTS, &value);
 451         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_LATE_COL_PKTS]), &value);
 452
 453         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_DEFERRED_PKTS, &value);
 454         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_DEF_PKTS]), &value);
 455
 456         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_EXCESSIVE_DEFERRED_PKTS,
 457             &value);
 458         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_EX_DEF_PKTS]), &value);
 459
 460         /* RX */
 461         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_BYTES, &value);
 462         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_OCTETS]), &value);
 463
 464         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_PKTS, &value);
 465         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_PKTS]), &value);
 466
 467         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_UNICAST_PKTS, &value);
 468         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_UNICST_PKTS]), &value);
 469
 470         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_MULTICAST_PKTS, &value);
 471         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_MULTICST_PKTS]), &value);
 472
 473         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_BROADCAST_PKTS, &value);
 474         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_BRDCST_PKTS]), &value);
 475
 476         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_PAUSE_PKTS, &value);
 477         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_PAUSE_PKTS]), &value);
 478
 479         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_UNDERSIZE_PKTS, &value);
 480         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_LE_64_PKTS]), &value);
 481         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_64_PKTS, &value);
 482         EFSYS_STAT_INCR_QWORD(&(stat[EFX_MAC_RX_LE_64_PKTS]), &value);
 483
 484         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_65_TO_127_PKTS, &value);
 485         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_65_TO_127_PKTS]), &value);
 486
 487         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_128_TO_255_PKTS, &value);
 488         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_128_TO_255_PKTS]), &value);
 489
 490         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_256_TO_511_PKTS, &value);
 491         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_256_TO_511_PKTS]), &value);
 492
 493         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_512_TO_1023_PKTS, &value);
 494         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_512_TO_1023_PKTS]), &value);
 495
 496         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_1024_TO_15XX_PKTS, &value);
 497         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_1024_TO_15XX_PKTS]), &value);
 498
 499         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_15XX_TO_JUMBO_PKTS, &value);
 500         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_GE_15XX_PKTS]), &value);
 501         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_GTJUMBO_PKTS, &value);
 502         EFSYS_STAT_INCR_QWORD(&(stat[EFX_MAC_RX_GE_15XX_PKTS]), &value);
 503
 504         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_BAD_FCS_PKTS, &value);
 505         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_FCS_ERRORS]), &value);
 506
 507         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_OVERFLOW_PKTS, &value);
 508         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_DROP_EVENTS]), &value);
 509
 510         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_FALSE_CARRIER_PKTS, &value);
 511         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_FALSE_CARRIER_ERRORS]), &value);
 512
 513         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_SYMBOL_ERROR_PKTS, &value);
 514         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_SYMBOL_ERRORS]), &value);
 515
 516         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_ALIGN_ERROR_PKTS, &value);
 517         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_ALIGN_ERRORS]), &value);
 518
 519         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_INTERNAL_ERROR_PKTS, &value);
 520         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_INTERNAL_ERRORS]), &value);
 521
 522         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_JABBER_PKTS, &value);
 523         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_JABBER_PKTS]), &value);
 524
 525         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_LANES01_CHAR_ERR, &value);
 526         EFSYS_STAT_SET_DWORD(&(stat[EFX_MAC_RX_LANE0_CHAR_ERR]),
 527                             &(value.eq_dword[0]));
 528         EFSYS_STAT_SET_DWORD(&(stat[EFX_MAC_RX_LANE1_CHAR_ERR]),
 529                             &(value.eq_dword[1]));
 530
 531         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_LANES23_CHAR_ERR, &value);
 532         EFSYS_STAT_SET_DWORD(&(stat[EFX_MAC_RX_LANE2_CHAR_ERR]),
 533                             &(value.eq_dword[0]));
 534         EFSYS_STAT_SET_DWORD(&(stat[EFX_MAC_RX_LANE3_CHAR_ERR]),
 535                             &(value.eq_dword[1]));
 536
 537         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_LANES01_DISP_ERR, &value);
 538         EFSYS_STAT_SET_DWORD(&(stat[EFX_MAC_RX_LANE0_DISP_ERR]),
 539                             &(value.eq_dword[0]));
 540         EFSYS_STAT_SET_DWORD(&(stat[EFX_MAC_RX_LANE1_DISP_ERR]),
 541                             &(value.eq_dword[1]));
 542
 543         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_LANES23_DISP_ERR, &value);
 544         EFSYS_STAT_SET_DWORD(&(stat[EFX_MAC_RX_LANE2_DISP_ERR]),
 545                             &(value.eq_dword[0]));
 546         EFSYS_STAT_SET_DWORD(&(stat[EFX_MAC_RX_LANE3_DISP_ERR]),
 547                             &(value.eq_dword[1]));
 548
 549         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_MATCH_FAULT, &value);
 550         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_MATCH_FAULT]), &value);
 551
 552         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_NODESC_DROPS, &value);
 553         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_NODESC_DROP_CNT]), &value);
 554
 555         /* Packet memory (EF10 only) */
 556         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_PM_TRUNC_BB_OVERFLOW, &value);
 557         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_PM_TRUNC_BB_OVERFLOW]), &value);
 558
 559         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_PM_DISCARD_BB_OVERFLOW, &value);
 560         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_PM_DISCARD_BB_OVERFLOW]), &value);
 561
 562         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_PM_TRUNC_VFIFO_FULL, &value);
 563         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_PM_TRUNC_VFIFO_FULL]), &value);
 564
 565         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_PM_DISCARD_VFIFO_FULL, &value);
 566         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_PM_DISCARD_VFIFO_FULL]), &value);
 567
 568         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_PM_TRUNC_QBB, &value);
 569         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_PM_TRUNC_QBB]), &value);
 570
 571         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_PM_DISCARD_QBB, &value);
 572         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_PM_DISCARD_QBB]), &value);
 573
 574         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_PM_DISCARD_MAPPING, &value);
 575         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_PM_DISCARD_MAPPING]), &value);
 576
 577         /* RX datapath */
 578         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RXDP_Q_DISABLED_PKTS, &value);
 579         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RXDP_Q_DISABLED_PKTS]), &value);
 580
 581         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RXDP_DI_DROPPED_PKTS, &value);
 582         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RXDP_DI_DROPPED_PKTS]), &value);
 583
 584         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RXDP_STREAMING_PKTS, &value);
 585         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RXDP_STREAMING_PKTS]), &value);
 586
 587         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RXDP_HLB_FETCH_CONDITIONS, &value);
 588         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RXDP_HLB_FETCH]), &value);
 589
 590         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RXDP_HLB_WAIT_CONDITIONS, &value);
 591         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RXDP_HLB_WAIT]), &value);
 592
 593
 594         /* VADAPTER RX */
 595         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_UNICAST_PACKETS,
 596             &value);
 597         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_UNICAST_PACKETS]),
 598             &value);
 599
 600         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_UNICAST_BYTES,
 601             &value);
 602         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_UNICAST_BYTES]),
 603             &value);
 604
 605         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_MULTICAST_PACKETS,
 606             &value);
 607         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_MULTICAST_PACKETS]),
 608             &value);
 609
 610         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_MULTICAST_BYTES,
 611             &value);
 612         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_MULTICAST_BYTES]),
 613             &value);
 614
 615         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_BROADCAST_PACKETS,
 616             &value);
 617         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_BROADCAST_PACKETS]),
 618             &value);
 619
 620         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_BROADCAST_BYTES,
 621             &value);
 622         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_BROADCAST_BYTES]),
 623             &value);
 624
 625         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_BAD_PACKETS,
 626             &value);
 627         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_BAD_PACKETS]),
 628             &value);
 629
 630         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_BAD_BYTES, &value);
 631         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_BAD_BYTES]), &value);
 632
 633         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_OVERFLOW, &value);
 634         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_OVERFLOW]), &value);
 635
 636         /* VADAPTER TX */
 637         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_UNICAST_PACKETS,
 638             &value);
 639         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_UNICAST_PACKETS]),
 640             &value);
 641
 642         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_UNICAST_BYTES,
 643             &value);
 644         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_UNICAST_BYTES]),
 645             &value);
 646
 647         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_MULTICAST_PACKETS,
 648             &value);
 649         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_MULTICAST_PACKETS]),
 650             &value);
 651
 652         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_MULTICAST_BYTES,
 653             &value);
 654         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_MULTICAST_BYTES]),
 655             &value);
 656
 657         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_BROADCAST_PACKETS,
 658             &value);
 659         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_BROADCAST_PACKETS]),
 660             &value);
 661
 662         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_BROADCAST_BYTES,
 663             &value);
 664         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_BROADCAST_BYTES]),
 665             &value);
 666
 667         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_BAD_PACKETS, &value);
 668         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_BAD_PACKETS]), &value);
 669
 670         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_BAD_BYTES, &value);
 671         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_BAD_BYTES]), &value);
 672
 673         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_OVERFLOW, &value);
 674         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_OVERFLOW]), &value);
 675
 676
 677         EFSYS_DMA_SYNC_FOR_KERNEL(esmp, 0, EFX_MAC_STATS_SIZE);
 678         EFSYS_MEM_READ_BARRIER();
 679         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_GENERATION_START,
 680                             &generation_start);
 681
 682         /* Check that we didn't read the stats in the middle of a DMA */
 683         /* Not a good enough check ? */
 684         if (memcmp(&generation_start, &generation_end,
 685             sizeof (generation_start)))
 686                 return (EAGAIN);
 687
 688         if (generationp)
 689                 *generationp = EFX_QWORD_FIELD(generation_start, EFX_DWORD_0);
 690
 691         return (0);
 692 }
 693
 694 #endif  /* EFSYS_OPT_MAC_STATS */
 695
 696 #endif  /* EFSYS_OPT_HUNTINGTON */