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                 goto fail1;
 155
 156 fail1:
 157         EFSYS_PROBE1(fail1, int, rc);
 158
 159         return (rc);
 160 }
 161
 162 __checkReturn   int
 163 hunt_mac_reconfigure(
 164         __in            efx_nic_t *enp)
 165 {
 166         efx_port_t *epp = &(enp->en_port);
 167         efx_mcdi_req_t req;
 168         uint8_t payload[MAX(MC_CMD_SET_MAC_IN_LEN,
 169                             MC_CMD_SET_MAC_OUT_LEN)];
 170         int rc;
 171
 172         (void) memset(payload, 0, sizeof (payload));
 173         req.emr_cmd = MC_CMD_SET_MAC;
 174         req.emr_in_buf = payload;
 175         req.emr_in_length = MC_CMD_SET_MAC_IN_LEN;
 176         req.emr_out_buf = payload;
 177         req.emr_out_length = MC_CMD_SET_MAC_OUT_LEN;
 178
 179         MCDI_IN_SET_DWORD(req, SET_MAC_IN_MTU, epp->ep_mac_pdu);
 180         MCDI_IN_SET_DWORD(req, SET_MAC_IN_DRAIN, epp->ep_mac_drain ? 1 : 0);
 181         EFX_MAC_ADDR_COPY(MCDI_IN2(req, uint8_t, SET_MAC_IN_ADDR),
 182                             epp->ep_mac_addr);
 183
 184         /*
 185          * Note: The Huntington MAC does not support REJECT_BRDCST.
 186          * The REJECT_UNCST flag will also prevent multicast traffic
 187          * from reaching the filters. As Huntington filters drop any
 188          * traffic that does not match a filter it is ok to leave the
 189          * MAC running in promiscuous mode. See bug41141.
 190          */
 191         MCDI_IN_POPULATE_DWORD_2(req, SET_MAC_IN_REJECT,
 192                                     SET_MAC_IN_REJECT_UNCST, 0,
 193                                     SET_MAC_IN_REJECT_BRDCST, 0);
 194
 195         /*
 196          * Flow control, whether it is auto-negotiated or not,
 197          * is set via the PHY advertised capabilities.  When set to
 198          * automatic the MAC will use the PHY settings to determine
 199          * the flow control settings.
 200          */
 201         MCDI_IN_SET_DWORD(req, SET_MAC_IN_FCNTL, MC_CMD_FCNTL_AUTO);
 202
 203         /* Do not include the Ethernet frame checksum in RX packets */
 204         MCDI_IN_POPULATE_DWORD_1(req, SET_MAC_IN_FLAGS,
 205                                     SET_MAC_IN_FLAG_INCLUDE_FCS, 0);
 206
 207         efx_mcdi_execute_quiet(enp, &req);
 208
 209         if (req.emr_rc != 0) {
 210                 /*
 211                  * Unprivileged functions cannot control link state,
 212                  * but still need to configure filters.
 213                  */
 214                 if (req.emr_rc != EACCES) {
 215                         rc = req.emr_rc;
 216                         goto fail1;
 217                 }
 218         }
 219
 220         /*
 221          * Apply the filters for the MAC configuration.
 222          * If the NIC isn't ready to accept filters this may
 223          * return success without setting anything.
 224          */
 225         rc = efx_filter_reconfigure(enp, epp->ep_mac_addr,
 226                                     epp->ep_all_unicst, epp->ep_mulcst,
 227                                     epp->ep_all_mulcst, epp->ep_brdcst,
 228                                     epp->ep_mulcst_addr_list,
 229                                     epp->ep_mulcst_addr_count);
 230
 231         return (0);
 232
 233 fail1:
 234         EFSYS_PROBE1(fail1, int, rc);
 235
 236         return (rc);
 237 }
 238
 239         __checkReturn                   int
 240 hunt_mac_multicast_list_set(
 241         __in                            efx_nic_t *enp)
 242 {
 243         efx_port_t *epp = &(enp->en_port);
 244         efx_mac_ops_t *emop = epp->ep_emop;
 245         int rc;
 246
 247         EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON);
 248
 249         /* FIXME: Insert filters for multicast list */
 250
 251         if ((rc = emop->emo_reconfigure(enp)) != 0)
 252                 goto fail1;
 253
 254         return (0);
 255
 256 fail1:
 257         EFSYS_PROBE1(fail1, int, rc);
 258
 259         return (rc);
 260 }
 261
 262         __checkReturn   int
 263 hunt_mac_filter_default_rxq_set(
 264         __in            efx_nic_t *enp,
 265         __in            efx_rxq_t *erp,
 266         __in            boolean_t using_rss)
 267 {
 268         efx_port_t *epp = &(enp->en_port);
 269         efx_rxq_t *old_rxq;
 270         boolean_t old_using_rss;
 271         int rc;
 272
 273         hunt_filter_get_default_rxq(enp, &old_rxq, &old_using_rss);
 274
 275         hunt_filter_default_rxq_set(enp, erp, using_rss);
 276
 277         rc = efx_filter_reconfigure(enp, epp->ep_mac_addr,
 278                                     epp->ep_all_unicst, epp->ep_mulcst,
 279                                     epp->ep_all_mulcst, epp->ep_brdcst,
 280                                     epp->ep_mulcst_addr_list,
 281                                     epp->ep_mulcst_addr_count);
 282
 283         if (rc != 0)
 284                 goto fail1;
 285
 286         return (0);
 287
 288 fail1:
 289         EFSYS_PROBE1(fail1, int, rc);
 290
 291         hunt_filter_default_rxq_set(enp, old_rxq, old_using_rss);
 292
 293         return (rc);
 294 }
 295
 296                         void
 297 hunt_mac_filter_default_rxq_clear(
 298         __in            efx_nic_t *enp)
 299 {
 300         efx_port_t *epp = &(enp->en_port);
 301
 302         hunt_filter_default_rxq_clear(enp);
 303
 304         efx_filter_reconfigure(enp, epp->ep_mac_addr,
 305                                     epp->ep_all_unicst, epp->ep_mulcst,
 306                                     epp->ep_all_mulcst, epp->ep_brdcst,
 307                                     epp->ep_mulcst_addr_list,
 308                                     epp->ep_mulcst_addr_count);
 309 }
 310
 311
 312 #if EFSYS_OPT_LOOPBACK
 313
 314         __checkReturn   int
 315 hunt_mac_loopback_set(
 316         __in            efx_nic_t *enp,
 317         __in            efx_link_mode_t link_mode,
 318         __in            efx_loopback_type_t loopback_type)
 319 {
 320         /*
 321          * TBD: Consider a common Siena/Huntington function.  The code is
 322          * essentially identical.
 323          */
 324
 325         efx_port_t *epp = &(enp->en_port);
 326         efx_phy_ops_t *epop = epp->ep_epop;
 327         efx_loopback_type_t old_loopback_type;
 328         efx_link_mode_t old_loopback_link_mode;
 329         int rc;
 330
 331         /* The PHY object handles this on Huntington */
 332         old_loopback_type = epp->ep_loopback_type;
 333         old_loopback_link_mode = epp->ep_loopback_link_mode;
 334         epp->ep_loopback_type = loopback_type;
 335         epp->ep_loopback_link_mode = link_mode;
 336
 337         if ((rc = epop->epo_reconfigure(enp)) != 0)
 338                 goto fail1;
 339
 340         return (0);
 341
 342 fail1:
 343         EFSYS_PROBE(fail2);
 344
 345         epp->ep_loopback_type = old_loopback_type;
 346         epp->ep_loopback_link_mode = old_loopback_link_mode;
 347
 348         return (rc);
 349 }
 350
 351 #endif  /* EFSYS_OPT_LOOPBACK */
 352
 353 #if EFSYS_OPT_MAC_STATS
 354
 355 #define HUNT_MAC_STAT_READ(_esmp, _field, _eqp)                 \
 356         EFSYS_MEM_READQ((_esmp), (_field) * sizeof (efx_qword_t), _eqp)
 357
 358
 359         __checkReturn                   int
 360 hunt_mac_stats_update(
 361         __in                            efx_nic_t *enp,
 362         __in                            efsys_mem_t *esmp,
 363         __out_ecount(EFX_MAC_NSTATS)    efsys_stat_t *stat,
 364         __out_opt                       uint32_t *generationp)
 365 {
 366         efx_qword_t value;
 367         efx_qword_t generation_start;
 368         efx_qword_t generation_end;
 369
 370         _NOTE(ARGUNUSED(enp))
 371
 372         /* Read END first so we don't race with the MC */
 373         EFSYS_DMA_SYNC_FOR_KERNEL(esmp, 0, EFX_MAC_STATS_SIZE);
 374         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_GENERATION_END,
 375                             &generation_end);
 376         EFSYS_MEM_READ_BARRIER();
 377
 378         /* TX */
 379         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_PKTS, &value);
 380         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_PKTS]), &value);
 381
 382         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_CONTROL_PKTS, &value);
 383         EFSYS_STAT_SUBR_QWORD(&(stat[EFX_MAC_TX_PKTS]), &value);
 384
 385         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_PAUSE_PKTS, &value);
 386         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_PAUSE_PKTS]), &value);
 387
 388         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_UNICAST_PKTS, &value);
 389         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_UNICST_PKTS]), &value);
 390
 391         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_MULTICAST_PKTS, &value);
 392         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_MULTICST_PKTS]), &value);
 393
 394         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_BROADCAST_PKTS, &value);
 395         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_BRDCST_PKTS]), &value);
 396
 397         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_BYTES, &value);
 398         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_OCTETS]), &value);
 399
 400         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_LT64_PKTS, &value);
 401         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_LE_64_PKTS]), &value);
 402         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_64_PKTS, &value);
 403         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_LE_64_PKTS]), &value);
 404
 405         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_65_TO_127_PKTS, &value);
 406         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_65_TO_127_PKTS]), &value);
 407
 408         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_128_TO_255_PKTS, &value);
 409         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_128_TO_255_PKTS]), &value);
 410
 411         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_256_TO_511_PKTS, &value);
 412         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_256_TO_511_PKTS]), &value);
 413
 414         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_512_TO_1023_PKTS, &value);
 415         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_512_TO_1023_PKTS]), &value);
 416
 417         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_1024_TO_15XX_PKTS, &value);
 418         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_1024_TO_15XX_PKTS]), &value);
 419
 420         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_15XX_TO_JUMBO_PKTS, &value);
 421         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_GE_15XX_PKTS]), &value);
 422         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_GTJUMBO_PKTS, &value);
 423         EFSYS_STAT_INCR_QWORD(&(stat[EFX_MAC_TX_GE_15XX_PKTS]), &value);
 424
 425         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_BAD_FCS_PKTS, &value);
 426         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_ERRORS]), &value);
 427
 428         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_SINGLE_COLLISION_PKTS, &value);
 429         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_SGL_COL_PKTS]), &value);
 430
 431         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_MULTIPLE_COLLISION_PKTS,
 432                             &value);
 433         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_MULT_COL_PKTS]), &value);
 434
 435         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_EXCESSIVE_COLLISION_PKTS,
 436                             &value);
 437         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_EX_COL_PKTS]), &value);
 438
 439         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_LATE_COLLISION_PKTS, &value);
 440         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_LATE_COL_PKTS]), &value);
 441
 442         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_DEFERRED_PKTS, &value);
 443         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_DEF_PKTS]), &value);
 444
 445         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_EXCESSIVE_DEFERRED_PKTS,
 446             &value);
 447         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_EX_DEF_PKTS]), &value);
 448
 449         /* RX */
 450         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_BYTES, &value);
 451         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_OCTETS]), &value);
 452
 453         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_PKTS, &value);
 454         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_PKTS]), &value);
 455
 456         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_UNICAST_PKTS, &value);
 457         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_UNICST_PKTS]), &value);
 458
 459         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_MULTICAST_PKTS, &value);
 460         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_MULTICST_PKTS]), &value);
 461
 462         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_BROADCAST_PKTS, &value);
 463         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_BRDCST_PKTS]), &value);
 464
 465         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_PAUSE_PKTS, &value);
 466         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_PAUSE_PKTS]), &value);
 467
 468         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_UNDERSIZE_PKTS, &value);
 469         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_LE_64_PKTS]), &value);
 470         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_64_PKTS, &value);
 471         EFSYS_STAT_INCR_QWORD(&(stat[EFX_MAC_RX_LE_64_PKTS]), &value);
 472
 473         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_65_TO_127_PKTS, &value);
 474         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_65_TO_127_PKTS]), &value);
 475
 476         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_128_TO_255_PKTS, &value);
 477         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_128_TO_255_PKTS]), &value);
 478
 479         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_256_TO_511_PKTS, &value);
 480         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_256_TO_511_PKTS]), &value);
 481
 482         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_512_TO_1023_PKTS, &value);
 483         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_512_TO_1023_PKTS]), &value);
 484
 485         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_1024_TO_15XX_PKTS, &value);
 486         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_1024_TO_15XX_PKTS]), &value);
 487
 488         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_15XX_TO_JUMBO_PKTS, &value);
 489         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_GE_15XX_PKTS]), &value);
 490         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_GTJUMBO_PKTS, &value);
 491         EFSYS_STAT_INCR_QWORD(&(stat[EFX_MAC_RX_GE_15XX_PKTS]), &value);
 492
 493         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_BAD_FCS_PKTS, &value);
 494         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_FCS_ERRORS]), &value);
 495
 496         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_OVERFLOW_PKTS, &value);
 497         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_DROP_EVENTS]), &value);
 498
 499         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_FALSE_CARRIER_PKTS, &value);
 500         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_FALSE_CARRIER_ERRORS]), &value);
 501
 502         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_SYMBOL_ERROR_PKTS, &value);
 503         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_SYMBOL_ERRORS]), &value);
 504
 505         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_ALIGN_ERROR_PKTS, &value);
 506         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_ALIGN_ERRORS]), &value);
 507
 508         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_INTERNAL_ERROR_PKTS, &value);
 509         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_INTERNAL_ERRORS]), &value);
 510
 511         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_JABBER_PKTS, &value);
 512         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_JABBER_PKTS]), &value);
 513
 514         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_LANES01_CHAR_ERR, &value);
 515         EFSYS_STAT_SET_DWORD(&(stat[EFX_MAC_RX_LANE0_CHAR_ERR]),
 516                             &(value.eq_dword[0]));
 517         EFSYS_STAT_SET_DWORD(&(stat[EFX_MAC_RX_LANE1_CHAR_ERR]),
 518                             &(value.eq_dword[1]));
 519
 520         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_LANES23_CHAR_ERR, &value);
 521         EFSYS_STAT_SET_DWORD(&(stat[EFX_MAC_RX_LANE2_CHAR_ERR]),
 522                             &(value.eq_dword[0]));
 523         EFSYS_STAT_SET_DWORD(&(stat[EFX_MAC_RX_LANE3_CHAR_ERR]),
 524                             &(value.eq_dword[1]));
 525
 526         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_LANES01_DISP_ERR, &value);
 527         EFSYS_STAT_SET_DWORD(&(stat[EFX_MAC_RX_LANE0_DISP_ERR]),
 528                             &(value.eq_dword[0]));
 529         EFSYS_STAT_SET_DWORD(&(stat[EFX_MAC_RX_LANE1_DISP_ERR]),
 530                             &(value.eq_dword[1]));
 531
 532         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_LANES23_DISP_ERR, &value);
 533         EFSYS_STAT_SET_DWORD(&(stat[EFX_MAC_RX_LANE2_DISP_ERR]),
 534                             &(value.eq_dword[0]));
 535         EFSYS_STAT_SET_DWORD(&(stat[EFX_MAC_RX_LANE3_DISP_ERR]),
 536                             &(value.eq_dword[1]));
 537
 538         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_MATCH_FAULT, &value);
 539         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_MATCH_FAULT]), &value);
 540
 541         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_NODESC_DROPS, &value);
 542         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_NODESC_DROP_CNT]), &value);
 543
 544         /* Packet memory (EF10 only) */
 545         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_PM_TRUNC_BB_OVERFLOW, &value);
 546         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_PM_TRUNC_BB_OVERFLOW]), &value);
 547
 548         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_PM_DISCARD_BB_OVERFLOW, &value);
 549         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_PM_DISCARD_BB_OVERFLOW]), &value);
 550
 551         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_PM_TRUNC_VFIFO_FULL, &value);
 552         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_PM_TRUNC_VFIFO_FULL]), &value);
 553
 554         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_PM_DISCARD_VFIFO_FULL, &value);
 555         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_PM_DISCARD_VFIFO_FULL]), &value);
 556
 557         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_PM_TRUNC_QBB, &value);
 558         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_PM_TRUNC_QBB]), &value);
 559
 560         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_PM_DISCARD_QBB, &value);
 561         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_PM_DISCARD_QBB]), &value);
 562
 563         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_PM_DISCARD_MAPPING, &value);
 564         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_PM_DISCARD_MAPPING]), &value);
 565
 566         /* RX datapath */
 567         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RXDP_Q_DISABLED_PKTS, &value);
 568         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RXDP_Q_DISABLED_PKTS]), &value);
 569
 570         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RXDP_DI_DROPPED_PKTS, &value);
 571         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RXDP_DI_DROPPED_PKTS]), &value);
 572
 573         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RXDP_STREAMING_PKTS, &value);
 574         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RXDP_STREAMING_PKTS]), &value);
 575
 576         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RXDP_HLB_FETCH_CONDITIONS, &value);
 577         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RXDP_HLB_FETCH]), &value);
 578
 579         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_RXDP_HLB_WAIT_CONDITIONS, &value);
 580         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RXDP_HLB_WAIT]), &value);
 581
 582
 583         /* VADAPTER RX */
 584         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_UNICAST_PACKETS,
 585             &value);
 586         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_UNICAST_PACKETS]),
 587             &value);
 588
 589         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_UNICAST_BYTES,
 590             &value);
 591         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_UNICAST_BYTES]),
 592             &value);
 593
 594         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_MULTICAST_PACKETS,
 595             &value);
 596         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_MULTICAST_PACKETS]),
 597             &value);
 598
 599         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_MULTICAST_BYTES,
 600             &value);
 601         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_MULTICAST_BYTES]),
 602             &value);
 603
 604         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_BROADCAST_PACKETS,
 605             &value);
 606         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_BROADCAST_PACKETS]),
 607             &value);
 608
 609         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_BROADCAST_BYTES,
 610             &value);
 611         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_BROADCAST_BYTES]),
 612             &value);
 613
 614         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_BAD_PACKETS,
 615             &value);
 616         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_BAD_PACKETS]),
 617             &value);
 618
 619         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_BAD_BYTES, &value);
 620         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_BAD_BYTES]), &value);
 621
 622         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_OVERFLOW, &value);
 623         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_OVERFLOW]), &value);
 624
 625         /* VADAPTER TX */
 626         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_UNICAST_PACKETS,
 627             &value);
 628         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_UNICAST_PACKETS]),
 629             &value);
 630
 631         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_UNICAST_BYTES,
 632             &value);
 633         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_UNICAST_BYTES]),
 634             &value);
 635
 636         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_MULTICAST_PACKETS,
 637             &value);
 638         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_MULTICAST_PACKETS]),
 639             &value);
 640
 641         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_MULTICAST_BYTES,
 642             &value);
 643         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_MULTICAST_BYTES]),
 644             &value);
 645
 646         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_BROADCAST_PACKETS,
 647             &value);
 648         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_BROADCAST_PACKETS]),
 649             &value);
 650
 651         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_BROADCAST_BYTES,
 652             &value);
 653         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_BROADCAST_BYTES]),
 654             &value);
 655
 656         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_BAD_PACKETS, &value);
 657         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_BAD_PACKETS]), &value);
 658
 659         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_BAD_BYTES, &value);
 660         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_BAD_BYTES]), &value);
 661
 662         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_OVERFLOW, &value);
 663         EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_OVERFLOW]), &value);
 664
 665
 666         EFSYS_DMA_SYNC_FOR_KERNEL(esmp, 0, EFX_MAC_STATS_SIZE);
 667         EFSYS_MEM_READ_BARRIER();
 668         HUNT_MAC_STAT_READ(esmp, MC_CMD_MAC_GENERATION_START,
 669                             &generation_start);
 670
 671         /* Check that we didn't read the stats in the middle of a DMA */
 672         /* Not a good enough check ? */
 673         if (memcmp(&generation_start, &generation_end,
 674             sizeof (generation_start)))
 675                 return (EAGAIN);
 676
 677         if (generationp)
 678                 *generationp = EFX_QWORD_FIELD(generation_start, EFX_DWORD_0);
 679
 680         return (0);
 681 }
 682
 683 #endif  /* EFSYS_OPT_MAC_STATS */
 684
 685 #endif  /* EFSYS_OPT_HUNTINGTON */