1 /* 2 * This file and its contents are supplied under the terms of the 3 * Common Development and Distribution License ("CDDL"), version 1.0. 4 * You may only use this file in accordance with the terms of version 5 * 1.0 of the CDDL. 6 * 7 * A full copy of the text of the CDDL should have accompanied this 8 * source. A copy of the CDDL is also available via the Internet at 9 * http://www.illumos.org/license/CDDL. 10 */ 11 12 /* 13 * Copyright 2015 OmniTI Computer Consulting, Inc. All rights reserved. 14 * Copyright (c) 2017, Joyent, Inc. 15 * Copyright 2017 Tegile Systems, Inc. All rights reserved. 16 */ 17 18 /* 19 * For more information, please see the big theory statement in i40e_main.c. 20 */ 21 22 #include "i40e_sw.h" 23 24 #define I40E_PROP_RX_DMA_THRESH "_rx_dma_threshold" 25 #define I40E_PROP_TX_DMA_THRESH "_tx_dma_threshold" 26 #define I40E_PROP_RX_ITR "_rx_intr_throttle" 27 #define I40E_PROP_TX_ITR "_tx_intr_throttle" 28 #define I40E_PROP_OTHER_ITR "_other_intr_throttle" 29 30 char *i40e_priv_props[] = { 31 I40E_PROP_RX_DMA_THRESH, 32 I40E_PROP_TX_DMA_THRESH, 33 I40E_PROP_RX_ITR, 34 I40E_PROP_TX_ITR, 35 I40E_PROP_OTHER_ITR, 36 NULL 37 }; 38 39 static int 40 i40e_group_remove_mac(void *arg, const uint8_t *mac_addr) 41 { 42 i40e_t *i40e = arg; 43 struct i40e_aqc_remove_macvlan_element_data filt; 44 struct i40e_hw *hw = &i40e->i40e_hw_space; 45 int ret, i, last; 46 i40e_uaddr_t *iua; 47 48 if (I40E_IS_MULTICAST(mac_addr)) 49 return (EINVAL); 50 51 mutex_enter(&i40e->i40e_general_lock); 52 53 if (i40e->i40e_state & I40E_SUSPENDED) { 54 ret = ECANCELED; 55 goto done; 56 } 57 58 for (i = 0; i < i40e->i40e_resources.ifr_nmacfilt_used; i++) { 59 if (bcmp(mac_addr, i40e->i40e_uaddrs[i].iua_mac, 60 ETHERADDRL) == 0) 61 break; 62 } 63 64 if (i == i40e->i40e_resources.ifr_nmacfilt_used) { 65 ret = ENOENT; 66 goto done; 67 } 68 69 iua = &i40e->i40e_uaddrs[i]; 70 ASSERT(i40e->i40e_resources.ifr_nmacfilt_used > 0); 71 72 bzero(&filt, sizeof (filt)); 73 bcopy(mac_addr, filt.mac_addr, ETHERADDRL); 74 filt.flags = I40E_AQC_MACVLAN_DEL_PERFECT_MATCH | 75 I40E_AQC_MACVLAN_DEL_IGNORE_VLAN; 76 77 if (i40e_aq_remove_macvlan(hw, iua->iua_vsi, &filt, 1, NULL) != 78 I40E_SUCCESS) { 79 i40e_error(i40e, "failed to remove mac address " 80 "%2x:%2x:%2x:%2x:%2x:%2x from unicast filter: %d", 81 mac_addr[0], mac_addr[1], mac_addr[2], mac_addr[3], 82 mac_addr[4], mac_addr[5], filt.error_code); 83 ret = EIO; 84 goto done; 85 } 86 87 last = i40e->i40e_resources.ifr_nmacfilt_used - 1; 88 if (i != last) { 89 i40e_uaddr_t *src = &i40e->i40e_uaddrs[last]; 90 bcopy(src, iua, sizeof (i40e_uaddr_t)); 91 } 92 93 /* 94 * Set the multicast bit in the last one to indicate to ourselves that 95 * it's invalid. 96 */ 97 bzero(&i40e->i40e_uaddrs[last], sizeof (i40e_uaddr_t)); 98 i40e->i40e_uaddrs[last].iua_mac[0] = 0x01; 99 i40e->i40e_resources.ifr_nmacfilt_used--; 100 ret = 0; 101 done: 102 mutex_exit(&i40e->i40e_general_lock); 103 104 return (ret); 105 } 106 107 static int 108 i40e_group_add_mac(void *arg, const uint8_t *mac_addr) 109 { 110 i40e_t *i40e = arg; 111 struct i40e_hw *hw = &i40e->i40e_hw_space; 112 int i, ret; 113 i40e_uaddr_t *iua; 114 struct i40e_aqc_add_macvlan_element_data filt; 115 116 if (I40E_IS_MULTICAST(mac_addr)) 117 return (EINVAL); 118 119 mutex_enter(&i40e->i40e_general_lock); 120 if (i40e->i40e_state & I40E_SUSPENDED) { 121 ret = ECANCELED; 122 goto done; 123 } 124 125 if (i40e->i40e_resources.ifr_nmacfilt == 126 i40e->i40e_resources.ifr_nmacfilt_used) { 127 ret = ENOSPC; 128 goto done; 129 } 130 131 for (i = 0; i < i40e->i40e_resources.ifr_nmacfilt_used; i++) { 132 if (bcmp(mac_addr, i40e->i40e_uaddrs[i].iua_mac, 133 ETHERADDRL) == 0) { 134 ret = EEXIST; 135 goto done; 136 } 137 } 138 139 /* 140 * Note, the general use of the i40e_vsi_id will have to be refactored 141 * when we have proper group support. 142 */ 143 bzero(&filt, sizeof (filt)); 144 bcopy(mac_addr, filt.mac_addr, ETHERADDRL); 145 filt.flags = I40E_AQC_MACVLAN_ADD_PERFECT_MATCH | 146 I40E_AQC_MACVLAN_ADD_IGNORE_VLAN; 147 148 if ((ret = i40e_aq_add_macvlan(hw, i40e->i40e_vsi_id, &filt, 1, 149 NULL)) != I40E_SUCCESS) { 150 i40e_error(i40e, "failed to add mac address " 151 "%2x:%2x:%2x:%2x:%2x:%2x to unicast filter: %d", 152 mac_addr[0], mac_addr[1], mac_addr[2], mac_addr[3], 153 mac_addr[4], mac_addr[5], ret); 154 ret = EIO; 155 goto done; 156 } 157 158 iua = &i40e->i40e_uaddrs[i40e->i40e_resources.ifr_nmacfilt_used]; 159 bcopy(mac_addr, iua->iua_mac, ETHERADDRL); 160 iua->iua_vsi = i40e->i40e_vsi_id; 161 i40e->i40e_resources.ifr_nmacfilt_used++; 162 ASSERT(i40e->i40e_resources.ifr_nmacfilt_used <= 163 i40e->i40e_resources.ifr_nmacfilt); 164 ret = 0; 165 done: 166 mutex_exit(&i40e->i40e_general_lock); 167 return (ret); 168 } 169 170 static int 171 i40e_m_start(void *arg) 172 { 173 i40e_t *i40e = arg; 174 int rc = 0; 175 176 mutex_enter(&i40e->i40e_general_lock); 177 if (i40e->i40e_state & I40E_SUSPENDED) { 178 rc = ECANCELED; 179 goto done; 180 } 181 182 if (!i40e_start(i40e, B_TRUE)) { 183 rc = EIO; 184 goto done; 185 } 186 187 atomic_or_32(&i40e->i40e_state, I40E_STARTED); 188 done: 189 mutex_exit(&i40e->i40e_general_lock); 190 191 return (rc); 192 } 193 194 static void 195 i40e_m_stop(void *arg) 196 { 197 i40e_t *i40e = arg; 198 199 mutex_enter(&i40e->i40e_general_lock); 200 201 if (i40e->i40e_state & I40E_SUSPENDED) 202 goto done; 203 204 atomic_and_32(&i40e->i40e_state, ~I40E_STARTED); 205 i40e_stop(i40e, B_TRUE); 206 done: 207 mutex_exit(&i40e->i40e_general_lock); 208 } 209 210 /* 211 * Enable and disable promiscuous mode as requested. We have to toggle both 212 * unicast and multicast. Note that multicast may already be enabled due to the 213 * i40e_m_multicast may toggle it itself. See i40e_main.c for more information 214 * on this. 215 */ 216 static int 217 i40e_m_promisc(void *arg, boolean_t on) 218 { 219 i40e_t *i40e = arg; 220 struct i40e_hw *hw = &i40e->i40e_hw_space; 221 int ret = 0, err = 0; 222 223 mutex_enter(&i40e->i40e_general_lock); 224 if (i40e->i40e_state & I40E_SUSPENDED) { 225 ret = ECANCELED; 226 goto done; 227 } 228 229 230 ret = i40e_aq_set_vsi_unicast_promiscuous(hw, i40e->i40e_vsi_id, 231 on, NULL, B_FALSE); 232 if (ret != I40E_SUCCESS) { 233 i40e_error(i40e, "failed to %s unicast promiscuity on " 234 "the default VSI: %d", on == B_TRUE ? "enable" : "disable", 235 ret); 236 err = EIO; 237 goto done; 238 } 239 240 /* 241 * If we have a non-zero mcast_promisc_count, then it has already been 242 * enabled or we need to leave it that way and not touch it. 243 */ 244 if (i40e->i40e_mcast_promisc_count > 0) { 245 i40e->i40e_promisc_on = on; 246 goto done; 247 } 248 249 ret = i40e_aq_set_vsi_multicast_promiscuous(hw, i40e->i40e_vsi_id, 250 on, NULL); 251 if (ret != I40E_SUCCESS) { 252 i40e_error(i40e, "failed to %s multicast promiscuity on " 253 "the default VSI: %d", on == B_TRUE ? "enable" : "disable", 254 ret); 255 256 /* 257 * Try our best to put us back into a state that MAC expects us 258 * to be in. 259 */ 260 ret = i40e_aq_set_vsi_unicast_promiscuous(hw, i40e->i40e_vsi_id, 261 !on, NULL, B_FALSE); 262 if (ret != I40E_SUCCESS) { 263 i40e_error(i40e, "failed to %s unicast promiscuity on " 264 "the default VSI after toggling multicast failed: " 265 "%d", on == B_TRUE ? "disable" : "enable", ret); 266 } 267 268 err = EIO; 269 goto done; 270 } else { 271 i40e->i40e_promisc_on = on; 272 } 273 274 done: 275 mutex_exit(&i40e->i40e_general_lock); 276 return (err); 277 } 278 279 /* 280 * See the big theory statement in i40e_main.c for multicast address management. 281 */ 282 static int 283 i40e_multicast_add(i40e_t *i40e, const uint8_t *multicast_address) 284 { 285 struct i40e_hw *hw = &i40e->i40e_hw_space; 286 struct i40e_aqc_add_macvlan_element_data filt; 287 i40e_maddr_t *mc; 288 int ret; 289 290 ASSERT(MUTEX_HELD(&i40e->i40e_general_lock)); 291 292 if (i40e->i40e_resources.ifr_nmcastfilt_used == 293 i40e->i40e_resources.ifr_nmcastfilt) { 294 if (i40e->i40e_mcast_promisc_count == 0 && 295 i40e->i40e_promisc_on == B_FALSE) { 296 ret = i40e_aq_set_vsi_multicast_promiscuous(hw, 297 i40e->i40e_vsi_id, B_TRUE, NULL); 298 if (ret != I40E_SUCCESS) { 299 i40e_error(i40e, "failed to enable multicast " 300 "promiscuous mode on VSI %d: %d", 301 i40e->i40e_vsi_id, ret); 302 return (EIO); 303 } 304 } 305 i40e->i40e_mcast_promisc_count++; 306 return (0); 307 } 308 309 mc = &i40e->i40e_maddrs[i40e->i40e_resources.ifr_nmcastfilt_used]; 310 bzero(&filt, sizeof (filt)); 311 bcopy(multicast_address, filt.mac_addr, ETHERADDRL); 312 filt.flags = I40E_AQC_MACVLAN_ADD_HASH_MATCH | 313 I40E_AQC_MACVLAN_ADD_IGNORE_VLAN; 314 315 if ((ret = i40e_aq_add_macvlan(hw, i40e->i40e_vsi_id, &filt, 1, 316 NULL)) != I40E_SUCCESS) { 317 i40e_error(i40e, "failed to add mac address " 318 "%2x:%2x:%2x:%2x:%2x:%2x to multicast filter: %d", 319 multicast_address[0], multicast_address[1], 320 multicast_address[2], multicast_address[3], 321 multicast_address[4], multicast_address[5], 322 ret); 323 return (EIO); 324 } 325 326 bcopy(multicast_address, mc->ima_mac, ETHERADDRL); 327 i40e->i40e_resources.ifr_nmcastfilt_used++; 328 return (0); 329 } 330 331 /* 332 * See the big theory statement in i40e_main.c for multicast address management. 333 */ 334 static int 335 i40e_multicast_remove(i40e_t *i40e, const uint8_t *multicast_address) 336 { 337 int i, ret; 338 struct i40e_hw *hw = &i40e->i40e_hw_space; 339 340 ASSERT(MUTEX_HELD(&i40e->i40e_general_lock)); 341 342 for (i = 0; i < i40e->i40e_resources.ifr_nmcastfilt_used; i++) { 343 struct i40e_aqc_remove_macvlan_element_data filt; 344 int last; 345 346 if (bcmp(multicast_address, i40e->i40e_maddrs[i].ima_mac, 347 ETHERADDRL) != 0) { 348 continue; 349 } 350 351 bzero(&filt, sizeof (filt)); 352 bcopy(multicast_address, filt.mac_addr, ETHERADDRL); 353 filt.flags = I40E_AQC_MACVLAN_DEL_HASH_MATCH | 354 I40E_AQC_MACVLAN_DEL_IGNORE_VLAN; 355 356 if (i40e_aq_remove_macvlan(hw, i40e->i40e_vsi_id, 357 &filt, 1, NULL) != I40E_SUCCESS) { 358 i40e_error(i40e, "failed to remove mac address " 359 "%2x:%2x:%2x:%2x:%2x:%2x from multicast " 360 "filter: %d", 361 multicast_address[0], multicast_address[1], 362 multicast_address[2], multicast_address[3], 363 multicast_address[4], multicast_address[5], 364 filt.error_code); 365 return (EIO); 366 } 367 368 last = i40e->i40e_resources.ifr_nmcastfilt_used - 1; 369 if (i != last) { 370 bcopy(&i40e->i40e_maddrs[last], &i40e->i40e_maddrs[i], 371 sizeof (i40e_maddr_t)); 372 bzero(&i40e->i40e_maddrs[last], sizeof (i40e_maddr_t)); 373 } 374 375 ASSERT(i40e->i40e_resources.ifr_nmcastfilt_used > 0); 376 i40e->i40e_resources.ifr_nmcastfilt_used--; 377 return (0); 378 } 379 380 if (i40e->i40e_mcast_promisc_count > 0) { 381 if (i40e->i40e_mcast_promisc_count == 1 && 382 i40e->i40e_promisc_on == B_FALSE) { 383 ret = i40e_aq_set_vsi_multicast_promiscuous(hw, 384 i40e->i40e_vsi_id, B_FALSE, NULL); 385 if (ret != I40E_SUCCESS) { 386 i40e_error(i40e, "failed to disable " 387 "multicast promiscuous mode on VSI %d: %d", 388 i40e->i40e_vsi_id, ret); 389 return (EIO); 390 } 391 } 392 i40e->i40e_mcast_promisc_count--; 393 394 return (0); 395 } 396 397 return (ENOENT); 398 } 399 400 static int 401 i40e_m_multicast(void *arg, boolean_t add, const uint8_t *multicast_address) 402 { 403 i40e_t *i40e = arg; 404 int rc; 405 406 mutex_enter(&i40e->i40e_general_lock); 407 408 if (i40e->i40e_state & I40E_SUSPENDED) { 409 mutex_exit(&i40e->i40e_general_lock); 410 return (ECANCELED); 411 } 412 413 if (add == B_TRUE) { 414 rc = i40e_multicast_add(i40e, multicast_address); 415 } else { 416 rc = i40e_multicast_remove(i40e, multicast_address); 417 } 418 419 mutex_exit(&i40e->i40e_general_lock); 420 return (rc); 421 } 422 423 /* ARGSUSED */ 424 static void 425 i40e_m_ioctl(void *arg, queue_t *q, mblk_t *mp) 426 { 427 /* 428 * At this time, we don't support toggling i40e into loopback mode. It's 429 * questionable how much value this has when there's no clear way to 430 * toggle this behavior from a supported way in userland. 431 */ 432 miocnak(q, mp, 0, EINVAL); 433 } 434 435 static int 436 i40e_ring_start(mac_ring_driver_t rh, uint64_t gen_num) 437 { 438 i40e_trqpair_t *itrq = (i40e_trqpair_t *)rh; 439 440 /* 441 * GLDv3 requires we keep track of a generation number, as it uses 442 * that number to keep track of whether or not a ring is active. 443 */ 444 mutex_enter(&itrq->itrq_rx_lock); 445 itrq->itrq_rxgen = gen_num; 446 mutex_exit(&itrq->itrq_rx_lock); 447 return (0); 448 } 449 450 /* ARGSUSED */ 451 static int 452 i40e_rx_ring_intr_enable(mac_intr_handle_t intrh) 453 { 454 i40e_trqpair_t *itrq = (i40e_trqpair_t *)intrh; 455 456 mutex_enter(&itrq->itrq_rx_lock); 457 ASSERT(itrq->itrq_intr_poll == B_TRUE); 458 i40e_intr_rx_queue_enable(itrq); 459 itrq->itrq_intr_poll = B_FALSE; 460 mutex_exit(&itrq->itrq_rx_lock); 461 462 return (0); 463 } 464 465 /* ARGSUSED */ 466 static int 467 i40e_rx_ring_intr_disable(mac_intr_handle_t intrh) 468 { 469 i40e_trqpair_t *itrq = (i40e_trqpair_t *)intrh; 470 471 mutex_enter(&itrq->itrq_rx_lock); 472 i40e_intr_rx_queue_disable(itrq); 473 itrq->itrq_intr_poll = B_TRUE; 474 mutex_exit(&itrq->itrq_rx_lock); 475 476 return (0); 477 } 478 479 /* ARGSUSED */ 480 static void 481 i40e_fill_tx_ring(void *arg, mac_ring_type_t rtype, const int group_index, 482 const int ring_index, mac_ring_info_t *infop, mac_ring_handle_t rh) 483 { 484 i40e_t *i40e = arg; 485 mac_intr_t *mintr = &infop->mri_intr; 486 i40e_trqpair_t *itrq = &(i40e->i40e_trqpairs[ring_index]); 487 488 /* 489 * Note the group index here is expected to be -1 due to the fact that 490 * we're not actually grouping things tx-wise at this time. 491 */ 492 ASSERT(group_index == -1); 493 ASSERT(ring_index < i40e->i40e_num_trqpairs); 494 495 itrq->itrq_mactxring = rh; 496 infop->mri_driver = (mac_ring_driver_t)itrq; 497 infop->mri_start = NULL; 498 infop->mri_stop = NULL; 499 infop->mri_tx = i40e_ring_tx; 500 infop->mri_stat = i40e_tx_ring_stat; 501 502 /* 503 * We only provide the handle in cases where we have MSI-X interrupts, 504 * to indicate that we'd actually support retargetting. 505 */ 506 if (i40e->i40e_intr_type & DDI_INTR_TYPE_MSIX) { 507 mintr->mi_ddi_handle = 508 i40e->i40e_intr_handles[itrq->itrq_tx_intrvec]; 509 } 510 } 511 512 /* ARGSUSED */ 513 static void 514 i40e_fill_rx_ring(void *arg, mac_ring_type_t rtype, const int group_index, 515 const int ring_index, mac_ring_info_t *infop, mac_ring_handle_t rh) 516 { 517 i40e_t *i40e = arg; 518 mac_intr_t *mintr = &infop->mri_intr; 519 i40e_trqpair_t *itrq = &i40e->i40e_trqpairs[ring_index]; 520 521 /* 522 * We assert the group number and ring index to help sanity check 523 * ourselves and mark that we'll need to rework this when we have 524 * multiple groups. 525 */ 526 ASSERT3S(group_index, ==, 0); 527 ASSERT3S(ring_index, <, i40e->i40e_num_trqpairs); 528 529 itrq->itrq_macrxring = rh; 530 infop->mri_driver = (mac_ring_driver_t)itrq; 531 infop->mri_start = i40e_ring_start; 532 infop->mri_stop = NULL; 533 infop->mri_poll = i40e_ring_rx_poll; 534 infop->mri_stat = i40e_rx_ring_stat; 535 mintr->mi_handle = (mac_intr_handle_t)itrq; 536 mintr->mi_enable = i40e_rx_ring_intr_enable; 537 mintr->mi_disable = i40e_rx_ring_intr_disable; 538 539 /* 540 * We only provide the handle in cases where we have MSI-X interrupts, 541 * to indicate that we'd actually support retargetting. 542 */ 543 if (i40e->i40e_intr_type & DDI_INTR_TYPE_MSIX) { 544 mintr->mi_ddi_handle = 545 i40e->i40e_intr_handles[itrq->itrq_rx_intrvec]; 546 } 547 } 548 549 /* ARGSUSED */ 550 static void 551 i40e_fill_rx_group(void *arg, mac_ring_type_t rtype, const int index, 552 mac_group_info_t *infop, mac_group_handle_t gh) 553 { 554 i40e_t *i40e = arg; 555 556 if (rtype != MAC_RING_TYPE_RX) 557 return; 558 559 /* 560 * Note, this is a simplified view of a group, given that we only have a 561 * single group and a single ring at the moment. We'll want to expand 562 * upon this as we leverage more hardware functionality. 563 */ 564 i40e->i40e_rx_group_handle = gh; 565 infop->mgi_driver = (mac_group_driver_t)i40e; 566 infop->mgi_start = NULL; 567 infop->mgi_stop = NULL; 568 infop->mgi_addmac = i40e_group_add_mac; 569 infop->mgi_remmac = i40e_group_remove_mac; 570 571 ASSERT(i40e->i40e_num_rx_groups == I40E_GROUP_MAX); 572 infop->mgi_count = i40e->i40e_num_trqpairs; 573 } 574 575 static boolean_t 576 i40e_m_getcapab(void *arg, mac_capab_t cap, void *cap_data) 577 { 578 i40e_t *i40e = arg; 579 mac_capab_rings_t *cap_rings; 580 581 switch (cap) { 582 case MAC_CAPAB_HCKSUM: { 583 uint32_t *txflags = cap_data; 584 585 *txflags = 0; 586 if (i40e->i40e_tx_hcksum_enable == B_TRUE) 587 *txflags = HCKSUM_INET_PARTIAL | HCKSUM_IPHDRCKSUM; 588 break; 589 } 590 591 case MAC_CAPAB_RINGS: 592 cap_rings = cap_data; 593 cap_rings->mr_group_type = MAC_GROUP_TYPE_STATIC; 594 switch (cap_rings->mr_type) { 595 case MAC_RING_TYPE_TX: 596 /* 597 * Note, saying we have no rings, but some number of 598 * groups indicates to MAC that it should create 599 * psuedo-groups with one for each TX ring. This may not 600 * be the long term behavior we want, but it'll work for 601 * now. 602 */ 603 cap_rings->mr_gnum = 0; 604 cap_rings->mr_rnum = i40e->i40e_num_trqpairs; 605 cap_rings->mr_rget = i40e_fill_tx_ring; 606 cap_rings->mr_gget = NULL; 607 cap_rings->mr_gaddring = NULL; 608 cap_rings->mr_gremring = NULL; 609 break; 610 case MAC_RING_TYPE_RX: 611 cap_rings->mr_rnum = i40e->i40e_num_trqpairs; 612 cap_rings->mr_rget = i40e_fill_rx_ring; 613 cap_rings->mr_gnum = I40E_GROUP_MAX; 614 cap_rings->mr_gget = i40e_fill_rx_group; 615 cap_rings->mr_gaddring = NULL; 616 cap_rings->mr_gremring = NULL; 617 break; 618 default: 619 return (B_FALSE); 620 } 621 break; 622 default: 623 return (B_FALSE); 624 } 625 626 return (B_TRUE); 627 } 628 629 /* ARGSUSED */ 630 static int 631 i40e_m_setprop_private(i40e_t *i40e, const char *pr_name, uint_t pr_valsize, 632 const void *pr_val) 633 { 634 int ret; 635 long val; 636 char *eptr; 637 638 ASSERT(MUTEX_HELD(&i40e->i40e_general_lock)); 639 640 if ((ret = ddi_strtol(pr_val, &eptr, 10, &val)) != 0 || 641 *eptr != '\0') { 642 return (ret); 643 } 644 645 if (strcmp(pr_name, I40E_PROP_RX_DMA_THRESH) == 0) { 646 if (val < I40E_MIN_RX_DMA_THRESH || 647 val > I40E_MAX_RX_DMA_THRESH) { 648 return (EINVAL); 649 } 650 i40e->i40e_rx_dma_min = (uint32_t)val; 651 return (0); 652 } 653 654 if (strcmp(pr_name, I40E_PROP_TX_DMA_THRESH) == 0) { 655 if (val < I40E_MIN_TX_DMA_THRESH || 656 val > I40E_MAX_TX_DMA_THRESH) { 657 return (EINVAL); 658 } 659 i40e->i40e_tx_dma_min = (uint32_t)val; 660 return (0); 661 } 662 663 if (strcmp(pr_name, I40E_PROP_RX_ITR) == 0) { 664 if (val < I40E_MIN_ITR || 665 val > I40E_MAX_ITR) { 666 return (EINVAL); 667 } 668 i40e->i40e_rx_itr = (uint32_t)val; 669 i40e_intr_set_itr(i40e, I40E_ITR_INDEX_RX, i40e->i40e_rx_itr); 670 return (0); 671 } 672 673 if (strcmp(pr_name, I40E_PROP_TX_ITR) == 0) { 674 if (val < I40E_MIN_ITR || 675 val > I40E_MAX_ITR) { 676 return (EINVAL); 677 } 678 i40e->i40e_tx_itr = (uint32_t)val; 679 i40e_intr_set_itr(i40e, I40E_ITR_INDEX_TX, i40e->i40e_tx_itr); 680 return (0); 681 } 682 683 if (strcmp(pr_name, I40E_PROP_OTHER_ITR) == 0) { 684 if (val < I40E_MIN_ITR || 685 val > I40E_MAX_ITR) { 686 return (EINVAL); 687 } 688 i40e->i40e_tx_itr = (uint32_t)val; 689 i40e_intr_set_itr(i40e, I40E_ITR_INDEX_OTHER, 690 i40e->i40e_other_itr); 691 return (0); 692 } 693 694 return (ENOTSUP); 695 } 696 697 static int 698 i40e_m_getprop_private(i40e_t *i40e, const char *pr_name, uint_t pr_valsize, 699 void *pr_val) 700 { 701 uint32_t val; 702 703 ASSERT(MUTEX_HELD(&i40e->i40e_general_lock)); 704 705 if (strcmp(pr_name, I40E_PROP_RX_DMA_THRESH) == 0) { 706 val = i40e->i40e_rx_dma_min; 707 } else if (strcmp(pr_name, I40E_PROP_TX_DMA_THRESH) == 0) { 708 val = i40e->i40e_tx_dma_min; 709 } else if (strcmp(pr_name, I40E_PROP_RX_ITR) == 0) { 710 val = i40e->i40e_rx_itr; 711 } else if (strcmp(pr_name, I40E_PROP_TX_ITR) == 0) { 712 val = i40e->i40e_tx_itr; 713 } else if (strcmp(pr_name, I40E_PROP_OTHER_ITR) == 0) { 714 val = i40e->i40e_other_itr; 715 } else { 716 return (ENOTSUP); 717 } 718 719 if (snprintf(pr_val, pr_valsize, "%d", val) >= pr_valsize) 720 return (ERANGE); 721 return (0); 722 } 723 724 /* 725 * Annoyingly for private properties MAC seems to ignore default values that 726 * aren't strings. That means that we have to translate all of these into 727 * uint32_t's and instead we size the buffer to be large enough to hold a 728 * uint32_t. 729 */ 730 /* ARGSUSED */ 731 static void 732 i40e_m_propinfo_private(i40e_t *i40e, const char *pr_name, 733 mac_prop_info_handle_t prh) 734 { 735 char buf[64]; 736 uint32_t def; 737 738 if (strcmp(pr_name, I40E_PROP_RX_DMA_THRESH) == 0) { 739 mac_prop_info_set_perm(prh, MAC_PROP_PERM_RW); 740 def = I40E_DEF_RX_DMA_THRESH; 741 mac_prop_info_set_range_uint32(prh, 742 I40E_MIN_RX_DMA_THRESH, 743 I40E_MAX_RX_DMA_THRESH); 744 } else if (strcmp(pr_name, I40E_PROP_TX_DMA_THRESH) == 0) { 745 mac_prop_info_set_perm(prh, MAC_PROP_PERM_RW); 746 def = I40E_DEF_TX_DMA_THRESH; 747 mac_prop_info_set_range_uint32(prh, 748 I40E_MIN_TX_DMA_THRESH, 749 I40E_MAX_TX_DMA_THRESH); 750 } else if (strcmp(pr_name, I40E_PROP_RX_ITR) == 0) { 751 mac_prop_info_set_perm(prh, MAC_PROP_PERM_RW); 752 def = I40E_DEF_RX_ITR; 753 mac_prop_info_set_range_uint32(prh, I40E_MIN_ITR, I40E_MAX_ITR); 754 } else if (strcmp(pr_name, I40E_PROP_TX_ITR) == 0) { 755 mac_prop_info_set_perm(prh, MAC_PROP_PERM_RW); 756 def = I40E_DEF_TX_ITR; 757 mac_prop_info_set_range_uint32(prh, I40E_MIN_ITR, I40E_MAX_ITR); 758 } else if (strcmp(pr_name, I40E_PROP_OTHER_ITR) == 0) { 759 mac_prop_info_set_perm(prh, MAC_PROP_PERM_RW); 760 def = I40E_DEF_OTHER_ITR; 761 mac_prop_info_set_range_uint32(prh, I40E_MIN_ITR, I40E_MAX_ITR); 762 } else { 763 return; 764 } 765 766 (void) snprintf(buf, sizeof (buf), "%d", def); 767 mac_prop_info_set_default_str(prh, buf); 768 } 769 770 static int 771 i40e_m_setprop(void *arg, const char *pr_name, mac_prop_id_t pr_num, 772 uint_t pr_valsize, const void *pr_val) 773 { 774 uint32_t new_mtu; 775 i40e_t *i40e = arg; 776 int ret = 0; 777 778 mutex_enter(&i40e->i40e_general_lock); 779 if (i40e->i40e_state & I40E_SUSPENDED) { 780 mutex_exit(&i40e->i40e_general_lock); 781 return (ECANCELED); 782 } 783 784 switch (pr_num) { 785 /* 786 * These properties are always read-only across every device. 787 */ 788 case MAC_PROP_DUPLEX: 789 case MAC_PROP_SPEED: 790 case MAC_PROP_STATUS: 791 case MAC_PROP_ADV_100FDX_CAP: 792 case MAC_PROP_ADV_1000FDX_CAP: 793 case MAC_PROP_ADV_10GFDX_CAP: 794 case MAC_PROP_ADV_25GFDX_CAP: 795 case MAC_PROP_ADV_40GFDX_CAP: 796 ret = ENOTSUP; 797 break; 798 /* 799 * These are read-only at this time as we don't support configuring 800 * auto-negotiation. See the theory statement in i40e_main.c. 801 */ 802 case MAC_PROP_EN_100FDX_CAP: 803 case MAC_PROP_EN_1000FDX_CAP: 804 case MAC_PROP_EN_10GFDX_CAP: 805 case MAC_PROP_EN_25GFDX_CAP: 806 case MAC_PROP_EN_40GFDX_CAP: 807 case MAC_PROP_AUTONEG: 808 case MAC_PROP_FLOWCTRL: 809 ret = ENOTSUP; 810 break; 811 812 case MAC_PROP_MTU: 813 bcopy(pr_val, &new_mtu, sizeof (new_mtu)); 814 if (new_mtu == i40e->i40e_sdu) 815 break; 816 817 if (new_mtu < I40E_MIN_MTU || 818 new_mtu > I40E_MAX_MTU) { 819 ret = EINVAL; 820 break; 821 } 822 823 if (i40e->i40e_state & I40E_STARTED) { 824 ret = EBUSY; 825 break; 826 } 827 828 ret = mac_maxsdu_update(i40e->i40e_mac_hdl, new_mtu); 829 if (ret == 0) { 830 i40e->i40e_sdu = new_mtu; 831 i40e_update_mtu(i40e); 832 } 833 break; 834 835 case MAC_PROP_PRIVATE: 836 ret = i40e_m_setprop_private(i40e, pr_name, pr_valsize, pr_val); 837 break; 838 default: 839 ret = ENOTSUP; 840 break; 841 } 842 843 mutex_exit(&i40e->i40e_general_lock); 844 return (ret); 845 } 846 847 static int 848 i40e_m_getprop(void *arg, const char *pr_name, mac_prop_id_t pr_num, 849 uint_t pr_valsize, void *pr_val) 850 { 851 i40e_t *i40e = arg; 852 uint64_t speed; 853 int ret = 0; 854 uint8_t *u8; 855 link_flowctrl_t fctl; 856 857 mutex_enter(&i40e->i40e_general_lock); 858 859 switch (pr_num) { 860 case MAC_PROP_DUPLEX: 861 if (pr_valsize < sizeof (link_duplex_t)) { 862 ret = EOVERFLOW; 863 break; 864 } 865 bcopy(&i40e->i40e_link_duplex, pr_val, sizeof (link_duplex_t)); 866 break; 867 case MAC_PROP_SPEED: 868 if (pr_valsize < sizeof (uint64_t)) { 869 ret = EOVERFLOW; 870 break; 871 } 872 speed = i40e->i40e_link_speed * 1000000ULL; 873 bcopy(&speed, pr_val, sizeof (speed)); 874 break; 875 case MAC_PROP_STATUS: 876 if (pr_valsize < sizeof (link_state_t)) { 877 ret = EOVERFLOW; 878 break; 879 } 880 bcopy(&i40e->i40e_link_state, pr_val, sizeof (link_state_t)); 881 break; 882 case MAC_PROP_AUTONEG: 883 if (pr_valsize < sizeof (uint8_t)) { 884 ret = EOVERFLOW; 885 break; 886 } 887 u8 = pr_val; 888 *u8 = 1; 889 break; 890 case MAC_PROP_FLOWCTRL: 891 /* 892 * Because we don't currently support hardware flow control, we 893 * just hardcode this to be none. 894 */ 895 if (pr_valsize < sizeof (link_flowctrl_t)) { 896 ret = EOVERFLOW; 897 break; 898 } 899 fctl = LINK_FLOWCTRL_NONE; 900 bcopy(&fctl, pr_val, sizeof (link_flowctrl_t)); 901 break; 902 case MAC_PROP_MTU: 903 if (pr_valsize < sizeof (uint32_t)) { 904 ret = EOVERFLOW; 905 break; 906 } 907 bcopy(&i40e->i40e_sdu, pr_val, sizeof (uint32_t)); 908 break; 909 910 /* 911 * Because we don't let users control the speeds we may auto-negotiate 912 * to, the values of the ADV_ and EN_ will always be the same. 913 */ 914 case MAC_PROP_ADV_100FDX_CAP: 915 case MAC_PROP_EN_100FDX_CAP: 916 if (pr_valsize < sizeof (uint8_t)) { 917 ret = EOVERFLOW; 918 break; 919 } 920 u8 = pr_val; 921 *u8 = (i40e->i40e_phy.link_speed & I40E_LINK_SPEED_100MB) != 0; 922 break; 923 case MAC_PROP_ADV_1000FDX_CAP: 924 case MAC_PROP_EN_1000FDX_CAP: 925 if (pr_valsize < sizeof (uint8_t)) { 926 ret = EOVERFLOW; 927 break; 928 } 929 u8 = pr_val; 930 *u8 = (i40e->i40e_phy.link_speed & I40E_LINK_SPEED_1GB) != 0; 931 break; 932 case MAC_PROP_ADV_10GFDX_CAP: 933 case MAC_PROP_EN_10GFDX_CAP: 934 if (pr_valsize < sizeof (uint8_t)) { 935 ret = EOVERFLOW; 936 break; 937 } 938 u8 = pr_val; 939 *u8 = (i40e->i40e_phy.link_speed & I40E_LINK_SPEED_10GB) != 0; 940 break; 941 case MAC_PROP_ADV_25GFDX_CAP: 942 case MAC_PROP_EN_25GFDX_CAP: 943 if (pr_valsize < sizeof (uint8_t)) { 944 ret = EOVERFLOW; 945 break; 946 } 947 u8 = pr_val; 948 *u8 = (i40e->i40e_phy.link_speed & I40E_LINK_SPEED_25GB) != 0; 949 break; 950 case MAC_PROP_ADV_40GFDX_CAP: 951 case MAC_PROP_EN_40GFDX_CAP: 952 if (pr_valsize < sizeof (uint8_t)) { 953 ret = EOVERFLOW; 954 break; 955 } 956 u8 = pr_val; 957 *u8 = (i40e->i40e_phy.link_speed & I40E_LINK_SPEED_40GB) != 0; 958 break; 959 case MAC_PROP_PRIVATE: 960 ret = i40e_m_getprop_private(i40e, pr_name, pr_valsize, pr_val); 961 break; 962 default: 963 ret = ENOTSUP; 964 break; 965 } 966 967 mutex_exit(&i40e->i40e_general_lock); 968 969 return (ret); 970 } 971 972 static void 973 i40e_m_propinfo(void *arg, const char *pr_name, mac_prop_id_t pr_num, 974 mac_prop_info_handle_t prh) 975 { 976 i40e_t *i40e = arg; 977 978 mutex_enter(&i40e->i40e_general_lock); 979 980 switch (pr_num) { 981 case MAC_PROP_DUPLEX: 982 case MAC_PROP_SPEED: 983 mac_prop_info_set_perm(prh, MAC_PROP_PERM_READ); 984 break; 985 case MAC_PROP_FLOWCTRL: 986 /* 987 * At the moment, the driver doesn't support flow control, hence 988 * why this is set to read-only and none. 989 */ 990 mac_prop_info_set_perm(prh, MAC_PROP_PERM_READ); 991 mac_prop_info_set_default_link_flowctrl(prh, 992 LINK_FLOWCTRL_NONE); 993 break; 994 case MAC_PROP_MTU: 995 mac_prop_info_set_range_uint32(prh, I40E_MIN_MTU, I40E_MAX_MTU); 996 break; 997 998 /* 999 * We set the defaults for these based upon the phy's ability to 1000 * support the speeds. Note, auto-negotiation is required for fiber, 1001 * hence it is read-only and always enabled. When we have access to 1002 * copper phys we can revisit this. 1003 */ 1004 case MAC_PROP_AUTONEG: 1005 mac_prop_info_set_perm(prh, MAC_PROP_PERM_READ); 1006 mac_prop_info_set_default_uint8(prh, 1); 1007 break; 1008 case MAC_PROP_ADV_100FDX_CAP: 1009 mac_prop_info_set_perm(prh, MAC_PROP_PERM_READ); 1010 mac_prop_info_set_default_uint8(prh, 1011 (i40e->i40e_phy.link_speed & I40E_LINK_SPEED_100MB) != 0); 1012 break; 1013 case MAC_PROP_EN_100FDX_CAP: 1014 mac_prop_info_set_perm(prh, MAC_PROP_PERM_READ); 1015 mac_prop_info_set_default_uint8(prh, 1016 (i40e->i40e_phy.link_speed & I40E_LINK_SPEED_100MB) != 0); 1017 break; 1018 case MAC_PROP_ADV_1000FDX_CAP: 1019 mac_prop_info_set_perm(prh, MAC_PROP_PERM_READ); 1020 mac_prop_info_set_default_uint8(prh, 1021 (i40e->i40e_phy.link_speed & I40E_LINK_SPEED_1GB) != 0); 1022 break; 1023 case MAC_PROP_EN_1000FDX_CAP: 1024 mac_prop_info_set_perm(prh, MAC_PROP_PERM_READ); 1025 mac_prop_info_set_default_uint8(prh, 1026 (i40e->i40e_phy.link_speed & I40E_LINK_SPEED_1GB) != 0); 1027 break; 1028 case MAC_PROP_ADV_10GFDX_CAP: 1029 mac_prop_info_set_perm(prh, MAC_PROP_PERM_READ); 1030 mac_prop_info_set_default_uint8(prh, 1031 (i40e->i40e_phy.link_speed & I40E_LINK_SPEED_10GB) != 0); 1032 break; 1033 case MAC_PROP_EN_10GFDX_CAP: 1034 mac_prop_info_set_perm(prh, MAC_PROP_PERM_READ); 1035 mac_prop_info_set_default_uint8(prh, 1036 (i40e->i40e_phy.link_speed & I40E_LINK_SPEED_10GB) != 0); 1037 break; 1038 case MAC_PROP_ADV_25GFDX_CAP: 1039 mac_prop_info_set_perm(prh, MAC_PROP_PERM_READ); 1040 mac_prop_info_set_default_uint8(prh, 1041 (i40e->i40e_phy.link_speed & I40E_LINK_SPEED_25GB) != 0); 1042 break; 1043 case MAC_PROP_EN_25GFDX_CAP: 1044 mac_prop_info_set_perm(prh, MAC_PROP_PERM_READ); 1045 mac_prop_info_set_default_uint8(prh, 1046 (i40e->i40e_phy.link_speed & I40E_LINK_SPEED_25GB) != 0); 1047 break; 1048 case MAC_PROP_ADV_40GFDX_CAP: 1049 mac_prop_info_set_perm(prh, MAC_PROP_PERM_READ); 1050 mac_prop_info_set_default_uint8(prh, 1051 (i40e->i40e_phy.link_speed & I40E_LINK_SPEED_40GB) != 0); 1052 break; 1053 case MAC_PROP_EN_40GFDX_CAP: 1054 mac_prop_info_set_perm(prh, MAC_PROP_PERM_READ); 1055 mac_prop_info_set_default_uint8(prh, 1056 (i40e->i40e_phy.link_speed & I40E_LINK_SPEED_40GB) != 0); 1057 break; 1058 case MAC_PROP_PRIVATE: 1059 i40e_m_propinfo_private(i40e, pr_name, prh); 1060 break; 1061 default: 1062 break; 1063 } 1064 1065 mutex_exit(&i40e->i40e_general_lock); 1066 } 1067 1068 #define I40E_M_CALLBACK_FLAGS \ 1069 (MC_IOCTL | MC_GETCAPAB | MC_SETPROP | MC_GETPROP | MC_PROPINFO) 1070 1071 static mac_callbacks_t i40e_m_callbacks = { 1072 I40E_M_CALLBACK_FLAGS, 1073 i40e_m_stat, 1074 i40e_m_start, 1075 i40e_m_stop, 1076 i40e_m_promisc, 1077 i40e_m_multicast, 1078 NULL, 1079 NULL, 1080 NULL, 1081 i40e_m_ioctl, 1082 i40e_m_getcapab, 1083 NULL, 1084 NULL, 1085 i40e_m_setprop, 1086 i40e_m_getprop, 1087 i40e_m_propinfo 1088 }; 1089 1090 boolean_t 1091 i40e_register_mac(i40e_t *i40e) 1092 { 1093 struct i40e_hw *hw = &i40e->i40e_hw_space; 1094 int status; 1095 mac_register_t *mac = mac_alloc(MAC_VERSION); 1096 1097 if (mac == NULL) 1098 return (B_FALSE); 1099 1100 mac->m_type_ident = MAC_PLUGIN_IDENT_ETHER; 1101 mac->m_driver = i40e; 1102 mac->m_dip = i40e->i40e_dip; 1103 mac->m_src_addr = hw->mac.addr; 1104 mac->m_callbacks = &i40e_m_callbacks; 1105 mac->m_min_sdu = 0; 1106 mac->m_max_sdu = i40e->i40e_sdu; 1107 mac->m_margin = VLAN_TAGSZ; 1108 mac->m_priv_props = i40e_priv_props; 1109 mac->m_v12n = MAC_VIRT_LEVEL1; 1110 1111 status = mac_register(mac, &i40e->i40e_mac_hdl); 1112 if (status != 0) 1113 i40e_error(i40e, "mac_register() returned %d", status); 1114 mac_free(mac); 1115 1116 return (status == 0); 1117 } 1118