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sys/dev/sfxge/common/ef10_mac.c
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1 /*- 2 * Copyright (c) 2012-2016 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 "efx.h" 35 #include "efx_impl.h" 36 37 #if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD || EFSYS_OPT_MEDFORD2 38 39 __checkReturn efx_rc_t 40 ef10_mac_poll( 41 __in efx_nic_t *enp, 42 __out efx_link_mode_t *link_modep) 43 { 44 efx_port_t *epp = &(enp->en_port); 45 ef10_link_state_t els; 46 efx_rc_t rc; 47 48 if ((rc = ef10_phy_get_link(enp, &els)) != 0) 49 goto fail1; 50 51 epp->ep_adv_cap_mask = els.epls.epls_adv_cap_mask; 52 epp->ep_fcntl = els.epls.epls_fcntl; 53 54 *link_modep = els.epls.epls_link_mode; 55 56 return (0); 57 58 fail1: 59 EFSYS_PROBE1(fail1, efx_rc_t, rc); 60 61 *link_modep = EFX_LINK_UNKNOWN; 62 63 return (rc); 64 } 65 66 __checkReturn efx_rc_t 67 ef10_mac_up( 68 __in efx_nic_t *enp, 69 __out boolean_t *mac_upp) 70 { 71 ef10_link_state_t els; 72 efx_rc_t rc; 73 74 /* 75 * Because EF10 doesn't *require* polling, we can't rely on 76 * ef10_mac_poll() being executed to populate epp->ep_mac_up. 77 */ 78 if ((rc = ef10_phy_get_link(enp, &els)) != 0) 79 goto fail1; 80 81 *mac_upp = els.els_mac_up; 82 83 return (0); 84 85 fail1: 86 EFSYS_PROBE1(fail1, efx_rc_t, rc); 87 88 return (rc); 89 } 90 91 /* 92 * EF10 adapters use MC_CMD_VADAPTOR_SET_MAC to set the 93 * MAC address; the address field in MC_CMD_SET_MAC has no 94 * effect. 95 * MC_CMD_VADAPTOR_SET_MAC requires mac-spoofing privilege and 96 * the port to have no filters or queues active. 97 */ 98 static __checkReturn efx_rc_t 99 efx_mcdi_vadapter_set_mac( 100 __in efx_nic_t *enp) 101 { 102 efx_port_t *epp = &(enp->en_port); 103 efx_mcdi_req_t req; 104 EFX_MCDI_DECLARE_BUF(payload, MC_CMD_VADAPTOR_SET_MAC_IN_LEN, 105 MC_CMD_VADAPTOR_SET_MAC_OUT_LEN); 106 efx_rc_t rc; 107 108 req.emr_cmd = MC_CMD_VADAPTOR_SET_MAC; 109 req.emr_in_buf = payload; 110 req.emr_in_length = MC_CMD_VADAPTOR_SET_MAC_IN_LEN; 111 req.emr_out_buf = payload; 112 req.emr_out_length = MC_CMD_VADAPTOR_SET_MAC_OUT_LEN; 113 114 MCDI_IN_SET_DWORD(req, VADAPTOR_SET_MAC_IN_UPSTREAM_PORT_ID, 115 enp->en_vport_id); 116 EFX_MAC_ADDR_COPY(MCDI_IN2(req, uint8_t, VADAPTOR_SET_MAC_IN_MACADDR), 117 epp->ep_mac_addr); 118 119 efx_mcdi_execute(enp, &req); 120 121 if (req.emr_rc != 0) { 122 rc = req.emr_rc; 123 goto fail1; 124 } 125 126 return (0); 127 128 fail1: 129 EFSYS_PROBE1(fail1, efx_rc_t, rc); 130 131 return (rc); 132 } 133 134 __checkReturn efx_rc_t 135 ef10_mac_addr_set( 136 __in efx_nic_t *enp) 137 { 138 efx_rc_t rc; 139 140 if ((rc = efx_mcdi_vadapter_set_mac(enp)) != 0) { 141 if (rc != ENOTSUP) 142 goto fail1; 143 144 /* 145 * Fallback for older Huntington firmware without Vadapter 146 * support. 147 */ 148 if ((rc = ef10_mac_reconfigure(enp)) != 0) 149 goto fail2; 150 } 151 152 return (0); 153 154 fail2: 155 EFSYS_PROBE(fail2); 156 157 fail1: 158 EFSYS_PROBE1(fail1, efx_rc_t, rc); 159 160 return (rc); 161 } 162 163 static __checkReturn efx_rc_t 164 efx_mcdi_mtu_set( 165 __in efx_nic_t *enp, 166 __in uint32_t mtu) 167 { 168 efx_mcdi_req_t req; 169 EFX_MCDI_DECLARE_BUF(payload, MC_CMD_SET_MAC_EXT_IN_LEN, 170 MC_CMD_SET_MAC_OUT_LEN); 171 efx_rc_t rc; 172 173 req.emr_cmd = MC_CMD_SET_MAC; 174 req.emr_in_buf = payload; 175 req.emr_in_length = MC_CMD_SET_MAC_EXT_IN_LEN; 176 req.emr_out_buf = payload; 177 req.emr_out_length = MC_CMD_SET_MAC_OUT_LEN; 178 179 /* Only configure the MTU in this call to MC_CMD_SET_MAC */ 180 MCDI_IN_SET_DWORD(req, SET_MAC_EXT_IN_MTU, mtu); 181 MCDI_IN_POPULATE_DWORD_1(req, SET_MAC_EXT_IN_CONTROL, 182 SET_MAC_EXT_IN_CFG_MTU, 1); 183 184 efx_mcdi_execute(enp, &req); 185 186 if (req.emr_rc != 0) { 187 rc = req.emr_rc; 188 goto fail1; 189 } 190 191 return (0); 192 193 fail1: 194 EFSYS_PROBE1(fail1, efx_rc_t, rc); 195 196 return (rc); 197 } 198 199 static __checkReturn efx_rc_t 200 efx_mcdi_mtu_get( 201 __in efx_nic_t *enp, 202 __out size_t *mtu) 203 { 204 efx_mcdi_req_t req; 205 EFX_MCDI_DECLARE_BUF(payload, MC_CMD_SET_MAC_EXT_IN_LEN, 206 MC_CMD_SET_MAC_V2_OUT_LEN); 207 efx_rc_t rc; 208 209 req.emr_cmd = MC_CMD_SET_MAC; 210 req.emr_in_buf = payload; 211 req.emr_in_length = MC_CMD_SET_MAC_EXT_IN_LEN; 212 req.emr_out_buf = payload; 213 req.emr_out_length = MC_CMD_SET_MAC_V2_OUT_LEN; 214 215 /* 216 * With MC_CMD_SET_MAC_EXT_IN_CONTROL set to 0, this just queries the 217 * MTU. This should always be supported on Medford, but it is not 218 * supported on older Huntington firmware. 219 */ 220 MCDI_IN_SET_DWORD(req, SET_MAC_EXT_IN_CONTROL, 0); 221 222 efx_mcdi_execute(enp, &req); 223 224 if (req.emr_rc != 0) { 225 rc = req.emr_rc; 226 goto fail1; 227 } 228 if (req.emr_out_length_used < MC_CMD_SET_MAC_V2_OUT_MTU_OFST + 4) { 229 rc = EMSGSIZE; 230 goto fail2; 231 } 232 233 *mtu = MCDI_OUT_DWORD(req, SET_MAC_V2_OUT_MTU); 234 235 return (0); 236 237 fail2: 238 EFSYS_PROBE(fail2); 239 fail1: 240 EFSYS_PROBE1(fail1, efx_rc_t, rc); 241 242 return (rc); 243 } 244 245 __checkReturn efx_rc_t 246 ef10_mac_pdu_set( 247 __in efx_nic_t *enp) 248 { 249 efx_port_t *epp = &(enp->en_port); 250 efx_nic_cfg_t *encp = &(enp->en_nic_cfg); 251 efx_rc_t rc; 252 253 if (encp->enc_enhanced_set_mac_supported) { 254 if ((rc = efx_mcdi_mtu_set(enp, epp->ep_mac_pdu)) != 0) 255 goto fail1; 256 } else { 257 /* 258 * Fallback for older Huntington firmware, which always 259 * configure all of the parameters to MC_CMD_SET_MAC. This isn't 260 * suitable for setting the MTU on unpriviliged functions. 261 */ 262 if ((rc = ef10_mac_reconfigure(enp)) != 0) 263 goto fail2; 264 } 265 266 return (0); 267 268 fail2: 269 EFSYS_PROBE(fail2); 270 fail1: 271 EFSYS_PROBE1(fail1, efx_rc_t, rc); 272 273 return (rc); 274 } 275 276 __checkReturn efx_rc_t 277 ef10_mac_pdu_get( 278 __in efx_nic_t *enp, 279 __out size_t *pdu) 280 { 281 efx_rc_t rc; 282 283 if ((rc = efx_mcdi_mtu_get(enp, pdu)) != 0) 284 goto fail1; 285 286 return (0); 287 288 fail1: 289 EFSYS_PROBE1(fail1, efx_rc_t, rc); 290 291 return (rc); 292 } 293 294 __checkReturn efx_rc_t 295 ef10_mac_reconfigure( 296 __in efx_nic_t *enp) 297 { 298 efx_port_t *epp = &(enp->en_port); 299 efx_mcdi_req_t req; 300 EFX_MCDI_DECLARE_BUF(payload, MC_CMD_SET_MAC_IN_LEN, 301 MC_CMD_SET_MAC_OUT_LEN); 302 efx_rc_t rc; 303 304 req.emr_cmd = MC_CMD_SET_MAC; 305 req.emr_in_buf = payload; 306 req.emr_in_length = MC_CMD_SET_MAC_IN_LEN; 307 req.emr_out_buf = payload; 308 req.emr_out_length = MC_CMD_SET_MAC_OUT_LEN; 309 310 MCDI_IN_SET_DWORD(req, SET_MAC_IN_MTU, epp->ep_mac_pdu); 311 MCDI_IN_SET_DWORD(req, SET_MAC_IN_DRAIN, epp->ep_mac_drain ? 1 : 0); 312 EFX_MAC_ADDR_COPY(MCDI_IN2(req, uint8_t, SET_MAC_IN_ADDR), 313 epp->ep_mac_addr); 314 315 /* 316 * Note: The Huntington MAC does not support REJECT_BRDCST. 317 * The REJECT_UNCST flag will also prevent multicast traffic 318 * from reaching the filters. As Huntington filters drop any 319 * traffic that does not match a filter it is ok to leave the 320 * MAC running in promiscuous mode. See bug41141. 321 * 322 * FIXME: Does REJECT_UNCST behave the same way on Medford? 323 */ 324 MCDI_IN_POPULATE_DWORD_2(req, SET_MAC_IN_REJECT, 325 SET_MAC_IN_REJECT_UNCST, 0, 326 SET_MAC_IN_REJECT_BRDCST, 0); 327 328 /* 329 * Flow control, whether it is auto-negotiated or not, 330 * is set via the PHY advertised capabilities. When set to 331 * automatic the MAC will use the PHY settings to determine 332 * the flow control settings. 333 */ 334 MCDI_IN_SET_DWORD(req, SET_MAC_IN_FCNTL, MC_CMD_FCNTL_AUTO); 335 336 /* Do not include the Ethernet frame checksum in RX packets */ 337 MCDI_IN_POPULATE_DWORD_1(req, SET_MAC_IN_FLAGS, 338 SET_MAC_IN_FLAG_INCLUDE_FCS, 0); 339 340 efx_mcdi_execute_quiet(enp, &req); 341 342 if (req.emr_rc != 0) { 343 /* 344 * Unprivileged functions cannot control link state, 345 * but still need to configure filters. 346 */ 347 if (req.emr_rc != EACCES) { 348 rc = req.emr_rc; 349 goto fail1; 350 } 351 } 352 353 /* 354 * Apply the filters for the MAC configuration. 355 * If the NIC isn't ready to accept filters this may 356 * return success without setting anything. 357 */ 358 rc = efx_filter_reconfigure(enp, epp->ep_mac_addr, 359 epp->ep_all_unicst, epp->ep_mulcst, 360 epp->ep_all_mulcst, epp->ep_brdcst, 361 epp->ep_mulcst_addr_list, 362 epp->ep_mulcst_addr_count); 363 364 return (0); 365 366 fail1: 367 EFSYS_PROBE1(fail1, efx_rc_t, rc); 368 369 return (rc); 370 } 371 372 __checkReturn efx_rc_t 373 ef10_mac_multicast_list_set( 374 __in efx_nic_t *enp) 375 { 376 efx_port_t *epp = &(enp->en_port); 377 const efx_mac_ops_t *emop = epp->ep_emop; 378 efx_rc_t rc; 379 380 EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON || 381 enp->en_family == EFX_FAMILY_MEDFORD || 382 enp->en_family == EFX_FAMILY_MEDFORD2); 383 384 if ((rc = emop->emo_reconfigure(enp)) != 0) 385 goto fail1; 386 387 return (0); 388 389 fail1: 390 EFSYS_PROBE1(fail1, efx_rc_t, rc); 391 392 return (rc); 393 } 394 395 __checkReturn efx_rc_t 396 ef10_mac_filter_default_rxq_set( 397 __in efx_nic_t *enp, 398 __in efx_rxq_t *erp, 399 __in boolean_t using_rss) 400 { 401 efx_port_t *epp = &(enp->en_port); 402 efx_rxq_t *old_rxq; 403 boolean_t old_using_rss; 404 efx_rc_t rc; 405 406 ef10_filter_get_default_rxq(enp, &old_rxq, &old_using_rss); 407 408 ef10_filter_default_rxq_set(enp, erp, using_rss); 409 410 rc = efx_filter_reconfigure(enp, epp->ep_mac_addr, 411 epp->ep_all_unicst, epp->ep_mulcst, 412 epp->ep_all_mulcst, epp->ep_brdcst, 413 epp->ep_mulcst_addr_list, 414 epp->ep_mulcst_addr_count); 415 416 if (rc != 0) 417 goto fail1; 418 419 return (0); 420 421 fail1: 422 EFSYS_PROBE1(fail1, efx_rc_t, rc); 423 424 ef10_filter_default_rxq_set(enp, old_rxq, old_using_rss); 425 426 return (rc); 427 } 428 429 void 430 ef10_mac_filter_default_rxq_clear( 431 __in efx_nic_t *enp) 432 { 433 efx_port_t *epp = &(enp->en_port); 434 435 ef10_filter_default_rxq_clear(enp); 436 437 (void) efx_filter_reconfigure(enp, epp->ep_mac_addr, 438 epp->ep_all_unicst, epp->ep_mulcst, 439 epp->ep_all_mulcst, epp->ep_brdcst, 440 epp->ep_mulcst_addr_list, 441 epp->ep_mulcst_addr_count); 442 } 443 444 #if EFSYS_OPT_LOOPBACK 445 446 __checkReturn efx_rc_t 447 ef10_mac_loopback_set( 448 __in efx_nic_t *enp, 449 __in efx_link_mode_t link_mode, 450 __in efx_loopback_type_t loopback_type) 451 { 452 efx_port_t *epp = &(enp->en_port); 453 const efx_phy_ops_t *epop = epp->ep_epop; 454 efx_loopback_type_t old_loopback_type; 455 efx_link_mode_t old_loopback_link_mode; 456 efx_rc_t rc; 457 458 /* The PHY object handles this on EF10 */ 459 old_loopback_type = epp->ep_loopback_type; 460 old_loopback_link_mode = epp->ep_loopback_link_mode; 461 epp->ep_loopback_type = loopback_type; 462 epp->ep_loopback_link_mode = link_mode; 463 464 if ((rc = epop->epo_reconfigure(enp)) != 0) 465 goto fail1; 466 467 return (0); 468 469 fail1: 470 EFSYS_PROBE1(fail1, efx_rc_t, rc); 471 472 epp->ep_loopback_type = old_loopback_type; 473 epp->ep_loopback_link_mode = old_loopback_link_mode; 474 475 return (rc); 476 } 477 478 #endif /* EFSYS_OPT_LOOPBACK */ 479 480 #if EFSYS_OPT_MAC_STATS 481 482 __checkReturn efx_rc_t 483 ef10_mac_stats_get_mask( 484 __in efx_nic_t *enp, 485 __inout_bcount(mask_size) uint32_t *maskp, 486 __in size_t mask_size) 487 { 488 const struct efx_mac_stats_range ef10_common[] = { 489 { EFX_MAC_RX_OCTETS, EFX_MAC_RX_GE_15XX_PKTS }, 490 { EFX_MAC_RX_FCS_ERRORS, EFX_MAC_RX_DROP_EVENTS }, 491 { EFX_MAC_RX_JABBER_PKTS, EFX_MAC_RX_JABBER_PKTS }, 492 { EFX_MAC_RX_NODESC_DROP_CNT, EFX_MAC_TX_PAUSE_PKTS }, 493 }; 494 const struct efx_mac_stats_range ef10_tx_size_bins[] = { 495 { EFX_MAC_TX_LE_64_PKTS, EFX_MAC_TX_GE_15XX_PKTS }, 496 }; 497 efx_nic_cfg_t *encp = &(enp->en_nic_cfg); 498 efx_port_t *epp = &(enp->en_port); 499 efx_rc_t rc; 500 501 if ((rc = efx_mac_stats_mask_add_ranges(maskp, mask_size, 502 ef10_common, EFX_ARRAY_SIZE(ef10_common))) != 0) 503 goto fail1; 504 505 if (epp->ep_phy_cap_mask & (1 << MC_CMD_PHY_CAP_40000FDX_LBN)) { 506 const struct efx_mac_stats_range ef10_40g_extra[] = { 507 { EFX_MAC_RX_ALIGN_ERRORS, EFX_MAC_RX_ALIGN_ERRORS }, 508 }; 509 510 if ((rc = efx_mac_stats_mask_add_ranges(maskp, mask_size, 511 ef10_40g_extra, EFX_ARRAY_SIZE(ef10_40g_extra))) != 0) 512 goto fail2; 513 514 if (encp->enc_mac_stats_40g_tx_size_bins) { 515 if ((rc = efx_mac_stats_mask_add_ranges(maskp, 516 mask_size, ef10_tx_size_bins, 517 EFX_ARRAY_SIZE(ef10_tx_size_bins))) != 0) 518 goto fail3; 519 } 520 } else { 521 if ((rc = efx_mac_stats_mask_add_ranges(maskp, mask_size, 522 ef10_tx_size_bins, EFX_ARRAY_SIZE(ef10_tx_size_bins))) != 0) 523 goto fail4; 524 } 525 526 if (encp->enc_pm_and_rxdp_counters) { 527 const struct efx_mac_stats_range ef10_pm_and_rxdp[] = { 528 { EFX_MAC_PM_TRUNC_BB_OVERFLOW, EFX_MAC_RXDP_HLB_WAIT }, 529 }; 530 531 if ((rc = efx_mac_stats_mask_add_ranges(maskp, mask_size, 532 ef10_pm_and_rxdp, EFX_ARRAY_SIZE(ef10_pm_and_rxdp))) != 0) 533 goto fail5; 534 } 535 536 if (encp->enc_datapath_cap_evb) { 537 const struct efx_mac_stats_range ef10_vadaptor[] = { 538 { EFX_MAC_VADAPTER_RX_UNICAST_PACKETS, 539 EFX_MAC_VADAPTER_TX_OVERFLOW }, 540 }; 541 542 if ((rc = efx_mac_stats_mask_add_ranges(maskp, mask_size, 543 ef10_vadaptor, EFX_ARRAY_SIZE(ef10_vadaptor))) != 0) 544 goto fail6; 545 } 546 547 if (encp->enc_fec_counters) { 548 const struct efx_mac_stats_range ef10_fec[] = { 549 { EFX_MAC_FEC_UNCORRECTED_ERRORS, 550 EFX_MAC_FEC_CORRECTED_SYMBOLS_LANE3 }, 551 }; 552 if ((rc = efx_mac_stats_mask_add_ranges(maskp, mask_size, 553 ef10_fec, EFX_ARRAY_SIZE(ef10_fec))) != 0) 554 goto fail7; 555 } 556 557 if (encp->enc_mac_stats_nstats >= MC_CMD_MAC_NSTATS_V4) { 558 const struct efx_mac_stats_range ef10_rxdp_sdt[] = { 559 { EFX_MAC_RXDP_SCATTER_DISABLED_TRUNC, 560 EFX_MAC_RXDP_SCATTER_DISABLED_TRUNC }, 561 }; 562 563 if ((rc = efx_mac_stats_mask_add_ranges(maskp, mask_size, 564 ef10_rxdp_sdt, EFX_ARRAY_SIZE(ef10_rxdp_sdt))) != 0) 565 goto fail8; 566 } 567 568 if (encp->enc_hlb_counters) { 569 const struct efx_mac_stats_range ef10_hlb[] = { 570 { EFX_MAC_RXDP_HLB_IDLE, EFX_MAC_RXDP_HLB_TIMEOUT }, 571 }; 572 if ((rc = efx_mac_stats_mask_add_ranges(maskp, mask_size, 573 ef10_hlb, EFX_ARRAY_SIZE(ef10_hlb))) != 0) 574 goto fail9; 575 } 576 577 return (0); 578 579 fail9: 580 EFSYS_PROBE(fail9); 581 fail8: 582 EFSYS_PROBE(fail8); 583 fail7: 584 EFSYS_PROBE(fail7); 585 fail6: 586 EFSYS_PROBE(fail6); 587 fail5: 588 EFSYS_PROBE(fail5); 589 fail4: 590 EFSYS_PROBE(fail4); 591 fail3: 592 EFSYS_PROBE(fail3); 593 fail2: 594 EFSYS_PROBE(fail2); 595 fail1: 596 EFSYS_PROBE1(fail1, efx_rc_t, rc); 597 598 return (rc); 599 } 600 601 #define EF10_MAC_STAT_READ(_esmp, _field, _eqp) \ 602 EFSYS_MEM_READQ((_esmp), (_field) * sizeof (efx_qword_t), _eqp) 603 604 __checkReturn efx_rc_t 605 ef10_mac_stats_update( 606 __in efx_nic_t *enp, 607 __in efsys_mem_t *esmp, 608 __inout_ecount(EFX_MAC_NSTATS) efsys_stat_t *stat, 609 __inout_opt uint32_t *generationp) 610 { 611 const efx_nic_cfg_t *encp = &enp->en_nic_cfg; 612 efx_qword_t generation_start; 613 efx_qword_t generation_end; 614 efx_qword_t value; 615 efx_rc_t rc; 616 617 /* 618 * The MAC_STATS contain start and end generation counters used to 619 * detect when the DMA buffer has been updated during stats decode. 620 * All stats counters are 64bit unsigned values. 621 * 622 * Siena-compatible MAC stats contain MC_CMD_MAC_NSTATS 64bit counters. 623 * The generation end counter is at index MC_CMD_MAC_GENERATION_END 624 * (same as MC_CMD_MAC_NSTATS-1). 625 * 626 * Medford2 and later use a larger DMA buffer: MAC_STATS_NUM_STATS from 627 * MC_CMD_GET_CAPABILITIES_V4_OUT reports the number of 64bit counters. 628 * 629 * Firmware writes the generation end counter as the last counter in the 630 * DMA buffer. Do not use MC_CMD_MAC_GENERATION_END, as that is only 631 * correct for legacy Siena-compatible MAC stats. 632 */ 633 634 if (encp->enc_mac_stats_nstats < MC_CMD_MAC_NSTATS) { 635 /* MAC stats count too small for legacy MAC stats */ 636 rc = ENOSPC; 637 goto fail1; 638 } 639 if (EFSYS_MEM_SIZE(esmp) < 640 (encp->enc_mac_stats_nstats * sizeof (efx_qword_t))) { 641 /* DMA buffer too small */ 642 rc = ENOSPC; 643 goto fail2; 644 } 645 646 /* Read END first so we don't race with the MC */ 647 EFSYS_DMA_SYNC_FOR_KERNEL(esmp, 0, EFSYS_MEM_SIZE(esmp)); 648 EF10_MAC_STAT_READ(esmp, (encp->enc_mac_stats_nstats - 1), 649 &generation_end); 650 EFSYS_MEM_READ_BARRIER(); 651 652 /* TX */ 653 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_PKTS, &value); 654 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_PKTS]), &value); 655 656 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_CONTROL_PKTS, &value); 657 EFSYS_STAT_SUBR_QWORD(&(stat[EFX_MAC_TX_PKTS]), &value); 658 659 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_PAUSE_PKTS, &value); 660 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_PAUSE_PKTS]), &value); 661 662 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_UNICAST_PKTS, &value); 663 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_UNICST_PKTS]), &value); 664 665 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_MULTICAST_PKTS, &value); 666 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_MULTICST_PKTS]), &value); 667 668 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_BROADCAST_PKTS, &value); 669 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_BRDCST_PKTS]), &value); 670 671 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_BYTES, &value); 672 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_OCTETS]), &value); 673 674 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_LT64_PKTS, &value); 675 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_LE_64_PKTS]), &value); 676 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_64_PKTS, &value); 677 EFSYS_STAT_INCR_QWORD(&(stat[EFX_MAC_TX_LE_64_PKTS]), &value); 678 679 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_65_TO_127_PKTS, &value); 680 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_65_TO_127_PKTS]), &value); 681 682 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_128_TO_255_PKTS, &value); 683 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_128_TO_255_PKTS]), &value); 684 685 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_256_TO_511_PKTS, &value); 686 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_256_TO_511_PKTS]), &value); 687 688 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_512_TO_1023_PKTS, &value); 689 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_512_TO_1023_PKTS]), &value); 690 691 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_1024_TO_15XX_PKTS, &value); 692 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_1024_TO_15XX_PKTS]), &value); 693 694 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_15XX_TO_JUMBO_PKTS, &value); 695 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_GE_15XX_PKTS]), &value); 696 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_GTJUMBO_PKTS, &value); 697 EFSYS_STAT_INCR_QWORD(&(stat[EFX_MAC_TX_GE_15XX_PKTS]), &value); 698 699 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_BAD_FCS_PKTS, &value); 700 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_ERRORS]), &value); 701 702 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_SINGLE_COLLISION_PKTS, &value); 703 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_SGL_COL_PKTS]), &value); 704 705 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_MULTIPLE_COLLISION_PKTS, 706 &value); 707 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_MULT_COL_PKTS]), &value); 708 709 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_EXCESSIVE_COLLISION_PKTS, 710 &value); 711 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_EX_COL_PKTS]), &value); 712 713 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_LATE_COLLISION_PKTS, &value); 714 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_LATE_COL_PKTS]), &value); 715 716 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_DEFERRED_PKTS, &value); 717 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_DEF_PKTS]), &value); 718 719 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_TX_EXCESSIVE_DEFERRED_PKTS, 720 &value); 721 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_TX_EX_DEF_PKTS]), &value); 722 723 /* RX */ 724 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_BYTES, &value); 725 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_OCTETS]), &value); 726 727 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_PKTS, &value); 728 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_PKTS]), &value); 729 730 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_UNICAST_PKTS, &value); 731 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_UNICST_PKTS]), &value); 732 733 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_MULTICAST_PKTS, &value); 734 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_MULTICST_PKTS]), &value); 735 736 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_BROADCAST_PKTS, &value); 737 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_BRDCST_PKTS]), &value); 738 739 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_PAUSE_PKTS, &value); 740 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_PAUSE_PKTS]), &value); 741 742 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_UNDERSIZE_PKTS, &value); 743 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_LE_64_PKTS]), &value); 744 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_64_PKTS, &value); 745 EFSYS_STAT_INCR_QWORD(&(stat[EFX_MAC_RX_LE_64_PKTS]), &value); 746 747 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_65_TO_127_PKTS, &value); 748 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_65_TO_127_PKTS]), &value); 749 750 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_128_TO_255_PKTS, &value); 751 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_128_TO_255_PKTS]), &value); 752 753 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_256_TO_511_PKTS, &value); 754 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_256_TO_511_PKTS]), &value); 755 756 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_512_TO_1023_PKTS, &value); 757 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_512_TO_1023_PKTS]), &value); 758 759 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_1024_TO_15XX_PKTS, &value); 760 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_1024_TO_15XX_PKTS]), &value); 761 762 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_15XX_TO_JUMBO_PKTS, &value); 763 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_GE_15XX_PKTS]), &value); 764 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_GTJUMBO_PKTS, &value); 765 EFSYS_STAT_INCR_QWORD(&(stat[EFX_MAC_RX_GE_15XX_PKTS]), &value); 766 767 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_BAD_FCS_PKTS, &value); 768 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_FCS_ERRORS]), &value); 769 770 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_OVERFLOW_PKTS, &value); 771 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_DROP_EVENTS]), &value); 772 773 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_FALSE_CARRIER_PKTS, &value); 774 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_FALSE_CARRIER_ERRORS]), &value); 775 776 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_SYMBOL_ERROR_PKTS, &value); 777 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_SYMBOL_ERRORS]), &value); 778 779 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_ALIGN_ERROR_PKTS, &value); 780 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_ALIGN_ERRORS]), &value); 781 782 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_INTERNAL_ERROR_PKTS, &value); 783 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_INTERNAL_ERRORS]), &value); 784 785 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_JABBER_PKTS, &value); 786 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_JABBER_PKTS]), &value); 787 788 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_LANES01_CHAR_ERR, &value); 789 EFSYS_STAT_SET_DWORD(&(stat[EFX_MAC_RX_LANE0_CHAR_ERR]), 790 &(value.eq_dword[0])); 791 EFSYS_STAT_SET_DWORD(&(stat[EFX_MAC_RX_LANE1_CHAR_ERR]), 792 &(value.eq_dword[1])); 793 794 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_LANES23_CHAR_ERR, &value); 795 EFSYS_STAT_SET_DWORD(&(stat[EFX_MAC_RX_LANE2_CHAR_ERR]), 796 &(value.eq_dword[0])); 797 EFSYS_STAT_SET_DWORD(&(stat[EFX_MAC_RX_LANE3_CHAR_ERR]), 798 &(value.eq_dword[1])); 799 800 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_LANES01_DISP_ERR, &value); 801 EFSYS_STAT_SET_DWORD(&(stat[EFX_MAC_RX_LANE0_DISP_ERR]), 802 &(value.eq_dword[0])); 803 EFSYS_STAT_SET_DWORD(&(stat[EFX_MAC_RX_LANE1_DISP_ERR]), 804 &(value.eq_dword[1])); 805 806 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_LANES23_DISP_ERR, &value); 807 EFSYS_STAT_SET_DWORD(&(stat[EFX_MAC_RX_LANE2_DISP_ERR]), 808 &(value.eq_dword[0])); 809 EFSYS_STAT_SET_DWORD(&(stat[EFX_MAC_RX_LANE3_DISP_ERR]), 810 &(value.eq_dword[1])); 811 812 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_MATCH_FAULT, &value); 813 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_MATCH_FAULT]), &value); 814 815 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RX_NODESC_DROPS, &value); 816 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RX_NODESC_DROP_CNT]), &value); 817 818 /* Packet memory (EF10 only) */ 819 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_PM_TRUNC_BB_OVERFLOW, &value); 820 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_PM_TRUNC_BB_OVERFLOW]), &value); 821 822 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_PM_DISCARD_BB_OVERFLOW, &value); 823 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_PM_DISCARD_BB_OVERFLOW]), &value); 824 825 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_PM_TRUNC_VFIFO_FULL, &value); 826 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_PM_TRUNC_VFIFO_FULL]), &value); 827 828 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_PM_DISCARD_VFIFO_FULL, &value); 829 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_PM_DISCARD_VFIFO_FULL]), &value); 830 831 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_PM_TRUNC_QBB, &value); 832 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_PM_TRUNC_QBB]), &value); 833 834 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_PM_DISCARD_QBB, &value); 835 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_PM_DISCARD_QBB]), &value); 836 837 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_PM_DISCARD_MAPPING, &value); 838 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_PM_DISCARD_MAPPING]), &value); 839 840 /* RX datapath */ 841 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RXDP_Q_DISABLED_PKTS, &value); 842 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RXDP_Q_DISABLED_PKTS]), &value); 843 844 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RXDP_DI_DROPPED_PKTS, &value); 845 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RXDP_DI_DROPPED_PKTS]), &value); 846 847 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RXDP_STREAMING_PKTS, &value); 848 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RXDP_STREAMING_PKTS]), &value); 849 850 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RXDP_HLB_FETCH_CONDITIONS, &value); 851 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RXDP_HLB_FETCH]), &value); 852 853 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RXDP_HLB_WAIT_CONDITIONS, &value); 854 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RXDP_HLB_WAIT]), &value); 855 856 /* VADAPTER RX */ 857 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_UNICAST_PACKETS, 858 &value); 859 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_UNICAST_PACKETS]), 860 &value); 861 862 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_UNICAST_BYTES, 863 &value); 864 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_UNICAST_BYTES]), 865 &value); 866 867 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_MULTICAST_PACKETS, 868 &value); 869 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_MULTICAST_PACKETS]), 870 &value); 871 872 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_MULTICAST_BYTES, 873 &value); 874 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_MULTICAST_BYTES]), 875 &value); 876 877 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_BROADCAST_PACKETS, 878 &value); 879 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_BROADCAST_PACKETS]), 880 &value); 881 882 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_BROADCAST_BYTES, 883 &value); 884 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_BROADCAST_BYTES]), 885 &value); 886 887 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_BAD_PACKETS, 888 &value); 889 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_BAD_PACKETS]), 890 &value); 891 892 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_BAD_BYTES, &value); 893 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_BAD_BYTES]), &value); 894 895 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_RX_OVERFLOW, &value); 896 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_RX_OVERFLOW]), &value); 897 898 /* VADAPTER TX */ 899 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_UNICAST_PACKETS, 900 &value); 901 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_UNICAST_PACKETS]), 902 &value); 903 904 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_UNICAST_BYTES, 905 &value); 906 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_UNICAST_BYTES]), 907 &value); 908 909 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_MULTICAST_PACKETS, 910 &value); 911 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_MULTICAST_PACKETS]), 912 &value); 913 914 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_MULTICAST_BYTES, 915 &value); 916 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_MULTICAST_BYTES]), 917 &value); 918 919 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_BROADCAST_PACKETS, 920 &value); 921 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_BROADCAST_PACKETS]), 922 &value); 923 924 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_BROADCAST_BYTES, 925 &value); 926 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_BROADCAST_BYTES]), 927 &value); 928 929 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_BAD_PACKETS, &value); 930 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_BAD_PACKETS]), &value); 931 932 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_BAD_BYTES, &value); 933 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_BAD_BYTES]), &value); 934 935 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_VADAPTER_TX_OVERFLOW, &value); 936 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_VADAPTER_TX_OVERFLOW]), &value); 937 938 if (encp->enc_mac_stats_nstats < MC_CMD_MAC_NSTATS_V2) 939 goto done; 940 941 /* FEC */ 942 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_FEC_UNCORRECTED_ERRORS, &value); 943 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_FEC_UNCORRECTED_ERRORS]), &value); 944 945 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_FEC_CORRECTED_ERRORS, &value); 946 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_FEC_CORRECTED_ERRORS]), &value); 947 948 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_FEC_CORRECTED_SYMBOLS_LANE0, 949 &value); 950 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_FEC_CORRECTED_SYMBOLS_LANE0]), 951 &value); 952 953 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_FEC_CORRECTED_SYMBOLS_LANE1, 954 &value); 955 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_FEC_CORRECTED_SYMBOLS_LANE1]), 956 &value); 957 958 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_FEC_CORRECTED_SYMBOLS_LANE2, 959 &value); 960 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_FEC_CORRECTED_SYMBOLS_LANE2]), 961 &value); 962 963 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_FEC_CORRECTED_SYMBOLS_LANE3, 964 &value); 965 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_FEC_CORRECTED_SYMBOLS_LANE3]), 966 &value); 967 968 if (encp->enc_mac_stats_nstats < MC_CMD_MAC_NSTATS_V3) 969 goto done; 970 971 /* CTPIO exceptions */ 972 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_CTPIO_VI_BUSY_FALLBACK, &value); 973 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_CTPIO_VI_BUSY_FALLBACK]), &value); 974 975 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_CTPIO_LONG_WRITE_SUCCESS, &value); 976 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_CTPIO_LONG_WRITE_SUCCESS]), &value); 977 978 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_CTPIO_MISSING_DBELL_FAIL, &value); 979 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_CTPIO_MISSING_DBELL_FAIL]), &value); 980 981 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_CTPIO_OVERFLOW_FAIL, &value); 982 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_CTPIO_OVERFLOW_FAIL]), &value); 983 984 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_CTPIO_UNDERFLOW_FAIL, &value); 985 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_CTPIO_UNDERFLOW_FAIL]), &value); 986 987 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_CTPIO_TIMEOUT_FAIL, &value); 988 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_CTPIO_TIMEOUT_FAIL]), &value); 989 990 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_CTPIO_NONCONTIG_WR_FAIL, &value); 991 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_CTPIO_NONCONTIG_WR_FAIL]), &value); 992 993 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_CTPIO_FRM_CLOBBER_FAIL, &value); 994 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_CTPIO_FRM_CLOBBER_FAIL]), &value); 995 996 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_CTPIO_INVALID_WR_FAIL, &value); 997 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_CTPIO_INVALID_WR_FAIL]), &value); 998 999 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_CTPIO_VI_CLOBBER_FALLBACK, &value); 1000 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_CTPIO_VI_CLOBBER_FALLBACK]), 1001 &value); 1002 1003 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_CTPIO_UNQUALIFIED_FALLBACK, &value); 1004 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_CTPIO_UNQUALIFIED_FALLBACK]), 1005 &value); 1006 1007 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_CTPIO_RUNT_FALLBACK, &value); 1008 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_CTPIO_RUNT_FALLBACK]), &value); 1009 1010 /* CTPIO per-port stats */ 1011 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_CTPIO_SUCCESS, &value); 1012 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_CTPIO_SUCCESS]), &value); 1013 1014 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_CTPIO_FALLBACK, &value); 1015 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_CTPIO_FALLBACK]), &value); 1016 1017 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_CTPIO_POISON, &value); 1018 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_CTPIO_POISON]), &value); 1019 1020 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_CTPIO_ERASE, &value); 1021 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_CTPIO_ERASE]), &value); 1022 1023 if (encp->enc_mac_stats_nstats < MC_CMD_MAC_NSTATS_V4) 1024 goto done; 1025 1026 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RXDP_SCATTER_DISABLED_TRUNC, 1027 &value); 1028 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RXDP_SCATTER_DISABLED_TRUNC]), 1029 &value); 1030 1031 /* Head-of-line blocking */ 1032 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RXDP_HLB_IDLE, &value); 1033 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RXDP_HLB_IDLE]), &value); 1034 1035 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_RXDP_HLB_TIMEOUT, &value); 1036 EFSYS_STAT_SET_QWORD(&(stat[EFX_MAC_RXDP_HLB_TIMEOUT]), &value); 1037 1038 done: 1039 /* Read START generation counter */ 1040 EFSYS_DMA_SYNC_FOR_KERNEL(esmp, 0, EFSYS_MEM_SIZE(esmp)); 1041 EFSYS_MEM_READ_BARRIER(); 1042 EF10_MAC_STAT_READ(esmp, MC_CMD_MAC_GENERATION_START, 1043 &generation_start); 1044 1045 /* Check that we didn't read the stats in the middle of a DMA */ 1046 /* Not a good enough check ? */ 1047 if (memcmp(&generation_start, &generation_end, 1048 sizeof (generation_start))) 1049 return (EAGAIN); 1050 1051 if (generationp) 1052 *generationp = EFX_QWORD_FIELD(generation_start, EFX_DWORD_0); 1053 1054 return (0); 1055 1056 fail2: 1057 EFSYS_PROBE(fail2); 1058 fail1: 1059 EFSYS_PROBE1(fail1, efx_rc_t, rc); 1060 1061 return (rc); 1062 } 1063 1064 #endif /* EFSYS_OPT_MAC_STATS */ 1065 1066 #endif /* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD || EFSYS_OPT_MEDFORD2 */
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