1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Copyright (c) 2014-2015 Hisilicon Limited. 4 */ 5 6 #include <linux/etherdevice.h> 7 #include <linux/netdevice.h> 8 #include <linux/spinlock.h> 9 10 #include "hnae.h" 11 #include "hns_dsaf_mac.h" 12 #include "hns_dsaf_main.h" 13 #include "hns_dsaf_ppe.h" 14 #include "hns_dsaf_rcb.h" 15 16 static struct hns_mac_cb *hns_get_mac_cb(struct hnae_handle *handle) 17 { 18 struct hnae_vf_cb *vf_cb = hns_ae_get_vf_cb(handle); 19 20 return vf_cb->mac_cb; 21 } 22 23 static struct dsaf_device *hns_ae_get_dsaf_dev(struct hnae_ae_dev *dev) 24 { 25 return container_of(dev, struct dsaf_device, ae_dev); 26 } 27 28 static struct hns_ppe_cb *hns_get_ppe_cb(struct hnae_handle *handle) 29 { 30 int ppe_index; 31 struct ppe_common_cb *ppe_comm; 32 struct hnae_vf_cb *vf_cb = hns_ae_get_vf_cb(handle); 33 34 ppe_comm = vf_cb->dsaf_dev->ppe_common[0]; 35 ppe_index = vf_cb->port_index; 36 37 return &ppe_comm->ppe_cb[ppe_index]; 38 } 39 40 static int hns_ae_get_q_num_per_vf( 41 struct dsaf_device *dsaf_dev, int port) 42 { 43 return dsaf_dev->rcb_common[0]->max_q_per_vf; 44 } 45 46 static int hns_ae_get_vf_num_per_port( 47 struct dsaf_device *dsaf_dev, int port) 48 { 49 return dsaf_dev->rcb_common[0]->max_vfn; 50 } 51 52 static struct ring_pair_cb *hns_ae_get_base_ring_pair( 53 struct dsaf_device *dsaf_dev, int port) 54 { 55 struct rcb_common_cb *rcb_comm = dsaf_dev->rcb_common[0]; 56 int q_num = rcb_comm->max_q_per_vf; 57 int vf_num = rcb_comm->max_vfn; 58 59 return &rcb_comm->ring_pair_cb[port * q_num * vf_num]; 60 } 61 62 static struct ring_pair_cb *hns_ae_get_ring_pair(struct hnae_queue *q) 63 { 64 return container_of(q, struct ring_pair_cb, q); 65 } 66 67 static struct hnae_handle *hns_ae_get_handle(struct hnae_ae_dev *dev, 68 u32 port_id) 69 { 70 int vfnum_per_port; 71 int qnum_per_vf; 72 int i; 73 struct dsaf_device *dsaf_dev; 74 struct hnae_handle *ae_handle; 75 struct ring_pair_cb *ring_pair_cb; 76 struct hnae_vf_cb *vf_cb; 77 78 dsaf_dev = hns_ae_get_dsaf_dev(dev); 79 80 ring_pair_cb = hns_ae_get_base_ring_pair(dsaf_dev, port_id); 81 vfnum_per_port = hns_ae_get_vf_num_per_port(dsaf_dev, port_id); 82 qnum_per_vf = hns_ae_get_q_num_per_vf(dsaf_dev, port_id); 83 84 vf_cb = kzalloc(sizeof(*vf_cb) + 85 qnum_per_vf * sizeof(struct hnae_queue *), GFP_KERNEL); 86 if (unlikely(!vf_cb)) { 87 dev_err(dsaf_dev->dev, "malloc vf_cb fail!\n"); 88 ae_handle = ERR_PTR(-ENOMEM); 89 goto handle_err; 90 } 91 ae_handle = &vf_cb->ae_handle; 92 /* ae_handle Init */ 93 ae_handle->owner_dev = dsaf_dev->dev; 94 ae_handle->dev = dev; 95 ae_handle->q_num = qnum_per_vf; 96 ae_handle->coal_param = HNAE_LOWEST_LATENCY_COAL_PARAM; 97 98 /* find ring pair, and set vf id*/ 99 for (ae_handle->vf_id = 0; 100 ae_handle->vf_id < vfnum_per_port; ae_handle->vf_id++) { 101 if (!ring_pair_cb->used_by_vf) 102 break; 103 ring_pair_cb += qnum_per_vf; 104 } 105 if (ae_handle->vf_id >= vfnum_per_port) { 106 dev_err(dsaf_dev->dev, "malloc queue fail!\n"); 107 ae_handle = ERR_PTR(-EINVAL); 108 goto vf_id_err; 109 } 110 111 ae_handle->qs = (struct hnae_queue **)(&ae_handle->qs + 1); 112 for (i = 0; i < qnum_per_vf; i++) { 113 ae_handle->qs[i] = &ring_pair_cb->q; 114 ae_handle->qs[i]->rx_ring.q = ae_handle->qs[i]; 115 ae_handle->qs[i]->tx_ring.q = ae_handle->qs[i]; 116 117 ring_pair_cb->used_by_vf = 1; 118 ring_pair_cb++; 119 } 120 121 vf_cb->dsaf_dev = dsaf_dev; 122 vf_cb->port_index = port_id; 123 vf_cb->mac_cb = dsaf_dev->mac_cb[port_id]; 124 125 ae_handle->phy_if = vf_cb->mac_cb->phy_if; 126 ae_handle->phy_dev = vf_cb->mac_cb->phy_dev; 127 ae_handle->if_support = vf_cb->mac_cb->if_support; 128 ae_handle->port_type = vf_cb->mac_cb->mac_type; 129 ae_handle->media_type = vf_cb->mac_cb->media_type; 130 ae_handle->dport_id = port_id; 131 132 return ae_handle; 133 vf_id_err: 134 kfree(vf_cb); 135 handle_err: 136 return ae_handle; 137 } 138 139 static void hns_ae_put_handle(struct hnae_handle *handle) 140 { 141 struct hnae_vf_cb *vf_cb = hns_ae_get_vf_cb(handle); 142 int i; 143 144 for (i = 0; i < handle->q_num; i++) 145 hns_ae_get_ring_pair(handle->qs[i])->used_by_vf = 0; 146 147 kfree(vf_cb); 148 } 149 150 static int hns_ae_wait_flow_down(struct hnae_handle *handle) 151 { 152 struct dsaf_device *dsaf_dev; 153 struct hns_ppe_cb *ppe_cb; 154 struct hnae_vf_cb *vf_cb; 155 int ret; 156 int i; 157 158 for (i = 0; i < handle->q_num; i++) { 159 ret = hns_rcb_wait_tx_ring_clean(handle->qs[i]); 160 if (ret) 161 return ret; 162 } 163 164 ppe_cb = hns_get_ppe_cb(handle); 165 ret = hns_ppe_wait_tx_fifo_clean(ppe_cb); 166 if (ret) 167 return ret; 168 169 dsaf_dev = hns_ae_get_dsaf_dev(handle->dev); 170 if (!dsaf_dev) 171 return -EINVAL; 172 ret = hns_dsaf_wait_pkt_clean(dsaf_dev, handle->dport_id); 173 if (ret) 174 return ret; 175 176 vf_cb = hns_ae_get_vf_cb(handle); 177 ret = hns_mac_wait_fifo_clean(vf_cb->mac_cb); 178 if (ret) 179 return ret; 180 181 mdelay(10); 182 return 0; 183 } 184 185 static void hns_ae_ring_enable_all(struct hnae_handle *handle, int val) 186 { 187 int q_num = handle->q_num; 188 int i; 189 190 for (i = 0; i < q_num; i++) 191 hns_rcb_ring_enable_hw(handle->qs[i], val); 192 } 193 194 static void hns_ae_init_queue(struct hnae_queue *q) 195 { 196 struct ring_pair_cb *ring = 197 container_of(q, struct ring_pair_cb, q); 198 199 hns_rcb_init_hw(ring); 200 } 201 202 static void hns_ae_fini_queue(struct hnae_queue *q) 203 { 204 struct hnae_vf_cb *vf_cb = hns_ae_get_vf_cb(q->handle); 205 206 if (vf_cb->mac_cb->mac_type == HNAE_PORT_SERVICE) 207 hns_rcb_reset_ring_hw(q); 208 } 209 210 static int hns_ae_set_mac_address(struct hnae_handle *handle, void *p) 211 { 212 int ret; 213 struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle); 214 215 if (!p || !is_valid_ether_addr((const u8 *)p)) { 216 dev_err(handle->owner_dev, "is not valid ether addr !\n"); 217 return -EADDRNOTAVAIL; 218 } 219 220 ret = hns_mac_change_vf_addr(mac_cb, handle->vf_id, p); 221 if (ret != 0) { 222 dev_err(handle->owner_dev, 223 "set_mac_address fail, ret=%d!\n", ret); 224 return ret; 225 } 226 227 return 0; 228 } 229 230 static int hns_ae_add_uc_address(struct hnae_handle *handle, 231 const unsigned char *addr) 232 { 233 struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle); 234 235 if (mac_cb->mac_type != HNAE_PORT_SERVICE) 236 return -ENOSPC; 237 238 return hns_mac_add_uc_addr(mac_cb, handle->vf_id, addr); 239 } 240 241 static int hns_ae_rm_uc_address(struct hnae_handle *handle, 242 const unsigned char *addr) 243 { 244 struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle); 245 246 if (mac_cb->mac_type != HNAE_PORT_SERVICE) 247 return -ENOSPC; 248 249 return hns_mac_rm_uc_addr(mac_cb, handle->vf_id, addr); 250 } 251 252 static int hns_ae_set_multicast_one(struct hnae_handle *handle, void *addr) 253 { 254 int ret; 255 char *mac_addr = (char *)addr; 256 struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle); 257 u8 port_num; 258 259 assert(mac_cb); 260 261 if (mac_cb->mac_type != HNAE_PORT_SERVICE) 262 return 0; 263 264 ret = hns_mac_set_multi(mac_cb, mac_cb->mac_id, mac_addr, true); 265 if (ret) { 266 dev_err(handle->owner_dev, 267 "mac add mul_mac:%pM port%d fail, ret = %#x!\n", 268 mac_addr, mac_cb->mac_id, ret); 269 return ret; 270 } 271 272 ret = hns_mac_get_inner_port_num(mac_cb, handle->vf_id, &port_num); 273 if (ret) 274 return ret; 275 276 ret = hns_mac_set_multi(mac_cb, port_num, mac_addr, true); 277 if (ret) 278 dev_err(handle->owner_dev, 279 "mac add mul_mac:%pM port%d fail, ret = %#x!\n", 280 mac_addr, DSAF_BASE_INNER_PORT_NUM, ret); 281 282 return ret; 283 } 284 285 static int hns_ae_clr_multicast(struct hnae_handle *handle) 286 { 287 struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle); 288 289 if (mac_cb->mac_type != HNAE_PORT_SERVICE) 290 return 0; 291 292 return hns_mac_clr_multicast(mac_cb, handle->vf_id); 293 } 294 295 static int hns_ae_set_mtu(struct hnae_handle *handle, int new_mtu) 296 { 297 struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle); 298 struct hnae_queue *q; 299 u32 rx_buf_size; 300 int i, ret; 301 302 /* when buf_size is 2048, max mtu is 6K for rx ring max bd num is 3. */ 303 if (!AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver)) { 304 if (new_mtu <= BD_SIZE_2048_MAX_MTU) 305 rx_buf_size = 2048; 306 else 307 rx_buf_size = 4096; 308 } else { 309 rx_buf_size = mac_cb->dsaf_dev->buf_size; 310 } 311 312 ret = hns_mac_set_mtu(mac_cb, new_mtu, rx_buf_size); 313 314 if (!ret) { 315 /* reinit ring buf_size */ 316 for (i = 0; i < handle->q_num; i++) { 317 q = handle->qs[i]; 318 q->rx_ring.buf_size = rx_buf_size; 319 hns_rcb_set_rx_ring_bs(q, rx_buf_size); 320 } 321 } 322 323 return ret; 324 } 325 326 static void hns_ae_set_tso_stats(struct hnae_handle *handle, int enable) 327 { 328 struct hns_ppe_cb *ppe_cb = hns_get_ppe_cb(handle); 329 330 hns_ppe_set_tso_enable(ppe_cb, enable); 331 } 332 333 static int hns_ae_start(struct hnae_handle *handle) 334 { 335 int ret; 336 int k; 337 struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle); 338 339 ret = hns_mac_vm_config_bc_en(mac_cb, 0, true); 340 if (ret) 341 return ret; 342 343 for (k = 0; k < handle->q_num; k++) { 344 if (AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver)) 345 hns_rcb_int_clr_hw(handle->qs[k], 346 RCB_INT_FLAG_TX | RCB_INT_FLAG_RX); 347 else 348 hns_rcbv2_int_clr_hw(handle->qs[k], 349 RCB_INT_FLAG_TX | RCB_INT_FLAG_RX); 350 } 351 hns_ae_ring_enable_all(handle, 1); 352 msleep(100); 353 354 hns_mac_start(mac_cb); 355 356 return 0; 357 } 358 359 static void hns_ae_stop(struct hnae_handle *handle) 360 { 361 struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle); 362 363 /* just clean tx fbd, neednot rx fbd*/ 364 hns_rcb_wait_fbd_clean(handle->qs, handle->q_num, RCB_INT_FLAG_TX); 365 366 msleep(20); 367 368 hns_mac_stop(mac_cb); 369 370 usleep_range(10000, 20000); 371 372 hns_ae_ring_enable_all(handle, 0); 373 374 /* clean rx fbd. */ 375 hns_rcb_wait_fbd_clean(handle->qs, handle->q_num, RCB_INT_FLAG_RX); 376 377 (void)hns_mac_vm_config_bc_en(mac_cb, 0, false); 378 } 379 380 static void hns_ae_reset(struct hnae_handle *handle) 381 { 382 struct hnae_vf_cb *vf_cb = hns_ae_get_vf_cb(handle); 383 384 if (vf_cb->mac_cb->mac_type == HNAE_PORT_DEBUG) { 385 hns_mac_reset(vf_cb->mac_cb); 386 hns_ppe_reset_common(vf_cb->dsaf_dev, 0); 387 } 388 } 389 390 static void hns_ae_toggle_ring_irq(struct hnae_ring *ring, u32 mask) 391 { 392 u32 flag; 393 394 if (is_tx_ring(ring)) 395 flag = RCB_INT_FLAG_TX; 396 else 397 flag = RCB_INT_FLAG_RX; 398 399 hns_rcb_int_ctrl_hw(ring->q, flag, mask); 400 } 401 402 static void hns_aev2_toggle_ring_irq(struct hnae_ring *ring, u32 mask) 403 { 404 u32 flag; 405 406 if (is_tx_ring(ring)) 407 flag = RCB_INT_FLAG_TX; 408 else 409 flag = RCB_INT_FLAG_RX; 410 411 hns_rcbv2_int_ctrl_hw(ring->q, flag, mask); 412 } 413 414 static int hns_ae_get_link_status(struct hnae_handle *handle) 415 { 416 u32 link_status; 417 struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle); 418 419 hns_mac_get_link_status(mac_cb, &link_status); 420 421 return !!link_status; 422 } 423 424 static int hns_ae_get_mac_info(struct hnae_handle *handle, 425 u8 *auto_neg, u16 *speed, u8 *duplex) 426 { 427 struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle); 428 429 return hns_mac_get_port_info(mac_cb, auto_neg, speed, duplex); 430 } 431 432 static bool hns_ae_need_adjust_link(struct hnae_handle *handle, int speed, 433 int duplex) 434 { 435 struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle); 436 437 return hns_mac_need_adjust_link(mac_cb, speed, duplex); 438 } 439 440 static void hns_ae_adjust_link(struct hnae_handle *handle, int speed, 441 int duplex) 442 { 443 struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle); 444 445 switch (mac_cb->dsaf_dev->dsaf_ver) { 446 case AE_VERSION_1: 447 hns_mac_adjust_link(mac_cb, speed, duplex); 448 break; 449 450 case AE_VERSION_2: 451 /* chip need to clear all pkt inside */ 452 hns_mac_disable(mac_cb, MAC_COMM_MODE_RX); 453 if (hns_ae_wait_flow_down(handle)) { 454 hns_mac_enable(mac_cb, MAC_COMM_MODE_RX); 455 break; 456 } 457 458 hns_mac_adjust_link(mac_cb, speed, duplex); 459 hns_mac_enable(mac_cb, MAC_COMM_MODE_RX); 460 break; 461 462 default: 463 break; 464 } 465 466 return; 467 } 468 469 static void hns_ae_get_ring_bdnum_limit(struct hnae_queue *queue, 470 u32 *uplimit) 471 { 472 *uplimit = HNS_RCB_RING_MAX_PENDING_BD; 473 } 474 475 static void hns_ae_get_pauseparam(struct hnae_handle *handle, 476 u32 *auto_neg, u32 *rx_en, u32 *tx_en) 477 { 478 struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle); 479 struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev; 480 481 hns_mac_get_autoneg(mac_cb, auto_neg); 482 483 hns_mac_get_pauseparam(mac_cb, rx_en, tx_en); 484 485 /* Service port's pause feature is provided by DSAF, not mac */ 486 if (handle->port_type == HNAE_PORT_SERVICE) 487 hns_dsaf_get_rx_mac_pause_en(dsaf_dev, mac_cb->mac_id, rx_en); 488 } 489 490 static void hns_ae_set_promisc_mode(struct hnae_handle *handle, u32 en) 491 { 492 struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle); 493 494 hns_dsaf_set_promisc_mode(hns_ae_get_dsaf_dev(handle->dev), en); 495 hns_mac_set_promisc(mac_cb, (u8)!!en); 496 } 497 498 static int hns_ae_set_pauseparam(struct hnae_handle *handle, 499 u32 autoneg, u32 rx_en, u32 tx_en) 500 { 501 struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle); 502 struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev; 503 int ret; 504 505 ret = hns_mac_set_autoneg(mac_cb, autoneg); 506 if (ret) 507 return ret; 508 509 /* Service port's pause feature is provided by DSAF, not mac */ 510 if (handle->port_type == HNAE_PORT_SERVICE) { 511 ret = hns_dsaf_set_rx_mac_pause_en(dsaf_dev, 512 mac_cb->mac_id, rx_en); 513 if (ret) 514 return ret; 515 rx_en = 0; 516 } 517 return hns_mac_set_pauseparam(mac_cb, rx_en, tx_en); 518 } 519 520 static void hns_ae_get_coalesce_usecs(struct hnae_handle *handle, 521 u32 *tx_usecs, u32 *rx_usecs) 522 { 523 struct ring_pair_cb *ring_pair = 524 container_of(handle->qs[0], struct ring_pair_cb, q); 525 526 *tx_usecs = hns_rcb_get_coalesce_usecs(ring_pair->rcb_common, 527 ring_pair->port_id_in_comm); 528 *rx_usecs = hns_rcb_get_coalesce_usecs(ring_pair->rcb_common, 529 ring_pair->port_id_in_comm); 530 } 531 532 static void hns_ae_get_max_coalesced_frames(struct hnae_handle *handle, 533 u32 *tx_frames, u32 *rx_frames) 534 { 535 struct ring_pair_cb *ring_pair = 536 container_of(handle->qs[0], struct ring_pair_cb, q); 537 struct dsaf_device *dsaf_dev = hns_ae_get_dsaf_dev(handle->dev); 538 539 if (AE_IS_VER1(dsaf_dev->dsaf_ver) || 540 handle->port_type == HNAE_PORT_DEBUG) 541 *tx_frames = hns_rcb_get_rx_coalesced_frames( 542 ring_pair->rcb_common, ring_pair->port_id_in_comm); 543 else 544 *tx_frames = hns_rcb_get_tx_coalesced_frames( 545 ring_pair->rcb_common, ring_pair->port_id_in_comm); 546 *rx_frames = hns_rcb_get_rx_coalesced_frames(ring_pair->rcb_common, 547 ring_pair->port_id_in_comm); 548 } 549 550 static int hns_ae_set_coalesce_usecs(struct hnae_handle *handle, 551 u32 timeout) 552 { 553 struct ring_pair_cb *ring_pair = 554 container_of(handle->qs[0], struct ring_pair_cb, q); 555 556 return hns_rcb_set_coalesce_usecs( 557 ring_pair->rcb_common, ring_pair->port_id_in_comm, timeout); 558 } 559 560 static int hns_ae_set_coalesce_frames(struct hnae_handle *handle, 561 u32 tx_frames, u32 rx_frames) 562 { 563 int ret; 564 struct ring_pair_cb *ring_pair = 565 container_of(handle->qs[0], struct ring_pair_cb, q); 566 struct dsaf_device *dsaf_dev = hns_ae_get_dsaf_dev(handle->dev); 567 568 if (AE_IS_VER1(dsaf_dev->dsaf_ver) || 569 handle->port_type == HNAE_PORT_DEBUG) { 570 if (tx_frames != rx_frames) 571 return -EINVAL; 572 return hns_rcb_set_rx_coalesced_frames( 573 ring_pair->rcb_common, 574 ring_pair->port_id_in_comm, rx_frames); 575 } else { 576 if (tx_frames != 1) 577 return -EINVAL; 578 ret = hns_rcb_set_tx_coalesced_frames( 579 ring_pair->rcb_common, 580 ring_pair->port_id_in_comm, tx_frames); 581 if (ret) 582 return ret; 583 584 return hns_rcb_set_rx_coalesced_frames( 585 ring_pair->rcb_common, 586 ring_pair->port_id_in_comm, rx_frames); 587 } 588 } 589 590 static void hns_ae_get_coalesce_range(struct hnae_handle *handle, 591 u32 *tx_frames_low, u32 *rx_frames_low, 592 u32 *tx_frames_high, u32 *rx_frames_high, 593 u32 *tx_usecs_low, u32 *rx_usecs_low, 594 u32 *tx_usecs_high, u32 *rx_usecs_high) 595 { 596 struct dsaf_device *dsaf_dev; 597 598 assert(handle); 599 600 dsaf_dev = hns_ae_get_dsaf_dev(handle->dev); 601 602 *tx_frames_low = HNS_RCB_TX_FRAMES_LOW; 603 *rx_frames_low = HNS_RCB_RX_FRAMES_LOW; 604 605 if (AE_IS_VER1(dsaf_dev->dsaf_ver) || 606 handle->port_type == HNAE_PORT_DEBUG) 607 *tx_frames_high = 608 (dsaf_dev->desc_num - 1 > HNS_RCB_TX_FRAMES_HIGH) ? 609 HNS_RCB_TX_FRAMES_HIGH : dsaf_dev->desc_num - 1; 610 else 611 *tx_frames_high = 1; 612 613 *rx_frames_high = (dsaf_dev->desc_num - 1 > HNS_RCB_RX_FRAMES_HIGH) ? 614 HNS_RCB_RX_FRAMES_HIGH : dsaf_dev->desc_num - 1; 615 *tx_usecs_low = HNS_RCB_TX_USECS_LOW; 616 *rx_usecs_low = HNS_RCB_RX_USECS_LOW; 617 *tx_usecs_high = HNS_RCB_TX_USECS_HIGH; 618 *rx_usecs_high = HNS_RCB_RX_USECS_HIGH; 619 } 620 621 static void hns_ae_update_stats(struct hnae_handle *handle, 622 struct net_device_stats *net_stats) 623 { 624 int port; 625 int idx; 626 struct dsaf_device *dsaf_dev; 627 struct hns_mac_cb *mac_cb; 628 struct hns_ppe_cb *ppe_cb; 629 struct hnae_queue *queue; 630 struct hnae_vf_cb *vf_cb = hns_ae_get_vf_cb(handle); 631 u64 tx_bytes = 0, rx_bytes = 0, tx_packets = 0, rx_packets = 0; 632 u64 rx_errors = 0, tx_errors = 0, tx_dropped = 0; 633 u64 rx_missed_errors; 634 635 dsaf_dev = hns_ae_get_dsaf_dev(handle->dev); 636 if (!dsaf_dev) 637 return; 638 port = vf_cb->port_index; 639 ppe_cb = hns_get_ppe_cb(handle); 640 mac_cb = hns_get_mac_cb(handle); 641 642 for (idx = 0; idx < handle->q_num; idx++) { 643 queue = handle->qs[idx]; 644 hns_rcb_update_stats(queue); 645 646 tx_bytes += queue->tx_ring.stats.tx_bytes; 647 tx_packets += queue->tx_ring.stats.tx_pkts; 648 rx_bytes += queue->rx_ring.stats.rx_bytes; 649 rx_packets += queue->rx_ring.stats.rx_pkts; 650 651 rx_errors += queue->rx_ring.stats.err_pkt_len 652 + queue->rx_ring.stats.l2_err 653 + queue->rx_ring.stats.l3l4_csum_err; 654 } 655 656 hns_ppe_update_stats(ppe_cb); 657 rx_missed_errors = ppe_cb->hw_stats.rx_drop_no_buf; 658 tx_errors += ppe_cb->hw_stats.tx_err_checksum 659 + ppe_cb->hw_stats.tx_err_fifo_empty; 660 661 if (mac_cb->mac_type == HNAE_PORT_SERVICE) { 662 hns_dsaf_update_stats(dsaf_dev, port); 663 /* for port upline direction, i.e., rx. */ 664 rx_missed_errors += dsaf_dev->hw_stats[port].bp_drop; 665 rx_missed_errors += dsaf_dev->hw_stats[port].pad_drop; 666 rx_missed_errors += dsaf_dev->hw_stats[port].crc_false; 667 668 /* for port downline direction, i.e., tx. */ 669 port = port + DSAF_PPE_INODE_BASE; 670 hns_dsaf_update_stats(dsaf_dev, port); 671 tx_dropped += dsaf_dev->hw_stats[port].bp_drop; 672 tx_dropped += dsaf_dev->hw_stats[port].pad_drop; 673 tx_dropped += dsaf_dev->hw_stats[port].crc_false; 674 tx_dropped += dsaf_dev->hw_stats[port].rslt_drop; 675 tx_dropped += dsaf_dev->hw_stats[port].vlan_drop; 676 tx_dropped += dsaf_dev->hw_stats[port].stp_drop; 677 } 678 679 hns_mac_update_stats(mac_cb); 680 rx_errors += mac_cb->hw_stats.rx_fifo_overrun_err; 681 682 tx_errors += mac_cb->hw_stats.tx_bad_pkts 683 + mac_cb->hw_stats.tx_fragment_err 684 + mac_cb->hw_stats.tx_jabber_err 685 + mac_cb->hw_stats.tx_underrun_err 686 + mac_cb->hw_stats.tx_crc_err; 687 688 net_stats->tx_bytes = tx_bytes; 689 net_stats->tx_packets = tx_packets; 690 net_stats->rx_bytes = rx_bytes; 691 net_stats->rx_dropped = 0; 692 net_stats->rx_packets = rx_packets; 693 net_stats->rx_errors = rx_errors; 694 net_stats->tx_errors = tx_errors; 695 net_stats->tx_dropped = tx_dropped; 696 net_stats->rx_missed_errors = rx_missed_errors; 697 net_stats->rx_crc_errors = mac_cb->hw_stats.rx_fcs_err; 698 net_stats->rx_frame_errors = mac_cb->hw_stats.rx_align_err; 699 net_stats->rx_fifo_errors = mac_cb->hw_stats.rx_fifo_overrun_err; 700 net_stats->rx_length_errors = mac_cb->hw_stats.rx_len_err; 701 net_stats->multicast = mac_cb->hw_stats.rx_mc_pkts; 702 } 703 704 static void hns_ae_get_stats(struct hnae_handle *handle, u64 *data) 705 { 706 int idx; 707 struct hns_mac_cb *mac_cb; 708 struct hns_ppe_cb *ppe_cb; 709 u64 *p = data; 710 struct hnae_vf_cb *vf_cb; 711 712 if (!handle || !data) { 713 pr_err("hns_ae_get_stats NULL handle or data pointer!\n"); 714 return; 715 } 716 717 vf_cb = hns_ae_get_vf_cb(handle); 718 mac_cb = hns_get_mac_cb(handle); 719 ppe_cb = hns_get_ppe_cb(handle); 720 721 for (idx = 0; idx < handle->q_num; idx++) { 722 hns_rcb_get_stats(handle->qs[idx], p); 723 p += hns_rcb_get_ring_sset_count((int)ETH_SS_STATS); 724 } 725 726 hns_ppe_get_stats(ppe_cb, p); 727 p += hns_ppe_get_sset_count((int)ETH_SS_STATS); 728 729 hns_mac_get_stats(mac_cb, p); 730 p += hns_mac_get_sset_count(mac_cb, (int)ETH_SS_STATS); 731 732 if (mac_cb->mac_type == HNAE_PORT_SERVICE) 733 hns_dsaf_get_stats(vf_cb->dsaf_dev, p, vf_cb->port_index); 734 } 735 736 static void hns_ae_get_strings(struct hnae_handle *handle, 737 u32 stringset, u8 *data) 738 { 739 int port; 740 int idx; 741 struct hns_mac_cb *mac_cb; 742 struct hns_ppe_cb *ppe_cb; 743 struct dsaf_device *dsaf_dev = hns_ae_get_dsaf_dev(handle->dev); 744 u8 *p = data; 745 struct hnae_vf_cb *vf_cb; 746 747 assert(handle); 748 749 vf_cb = hns_ae_get_vf_cb(handle); 750 port = vf_cb->port_index; 751 mac_cb = hns_get_mac_cb(handle); 752 ppe_cb = hns_get_ppe_cb(handle); 753 754 for (idx = 0; idx < handle->q_num; idx++) { 755 hns_rcb_get_strings(stringset, p, idx); 756 p += ETH_GSTRING_LEN * hns_rcb_get_ring_sset_count(stringset); 757 } 758 759 hns_ppe_get_strings(ppe_cb, stringset, p); 760 p += ETH_GSTRING_LEN * hns_ppe_get_sset_count(stringset); 761 762 hns_mac_get_strings(mac_cb, stringset, p); 763 p += ETH_GSTRING_LEN * hns_mac_get_sset_count(mac_cb, stringset); 764 765 if (mac_cb->mac_type == HNAE_PORT_SERVICE) 766 hns_dsaf_get_strings(stringset, p, port, dsaf_dev); 767 } 768 769 static int hns_ae_get_sset_count(struct hnae_handle *handle, int stringset) 770 { 771 u32 sset_count = 0; 772 struct hns_mac_cb *mac_cb; 773 struct dsaf_device *dsaf_dev = hns_ae_get_dsaf_dev(handle->dev); 774 775 assert(handle); 776 777 mac_cb = hns_get_mac_cb(handle); 778 779 sset_count += hns_rcb_get_ring_sset_count(stringset) * handle->q_num; 780 sset_count += hns_ppe_get_sset_count(stringset); 781 sset_count += hns_mac_get_sset_count(mac_cb, stringset); 782 783 if (mac_cb->mac_type == HNAE_PORT_SERVICE) 784 sset_count += hns_dsaf_get_sset_count(dsaf_dev, stringset); 785 786 return sset_count; 787 } 788 789 static int hns_ae_config_loopback(struct hnae_handle *handle, 790 enum hnae_loop loop, int en) 791 { 792 int ret; 793 struct hnae_vf_cb *vf_cb = hns_ae_get_vf_cb(handle); 794 struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle); 795 struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev; 796 797 switch (loop) { 798 case MAC_INTERNALLOOP_PHY: 799 ret = 0; 800 break; 801 case MAC_INTERNALLOOP_SERDES: 802 ret = dsaf_dev->misc_op->cfg_serdes_loopback(vf_cb->mac_cb, 803 !!en); 804 break; 805 case MAC_INTERNALLOOP_MAC: 806 ret = hns_mac_config_mac_loopback(vf_cb->mac_cb, loop, en); 807 break; 808 default: 809 ret = -EINVAL; 810 } 811 812 return ret; 813 } 814 815 static void hns_ae_update_led_status(struct hnae_handle *handle) 816 { 817 struct hns_mac_cb *mac_cb; 818 819 assert(handle); 820 mac_cb = hns_get_mac_cb(handle); 821 if (mac_cb->media_type != HNAE_MEDIA_TYPE_FIBER) 822 return; 823 824 hns_set_led_opt(mac_cb); 825 } 826 827 static int hns_ae_cpld_set_led_id(struct hnae_handle *handle, 828 enum hnae_led_state status) 829 { 830 struct hns_mac_cb *mac_cb; 831 832 assert(handle); 833 834 mac_cb = hns_get_mac_cb(handle); 835 836 return hns_cpld_led_set_id(mac_cb, status); 837 } 838 839 static void hns_ae_get_regs(struct hnae_handle *handle, void *data) 840 { 841 u32 *p = data; 842 int i; 843 struct hnae_vf_cb *vf_cb = hns_ae_get_vf_cb(handle); 844 struct hns_ppe_cb *ppe_cb = hns_get_ppe_cb(handle); 845 846 hns_ppe_get_regs(ppe_cb, p); 847 p += hns_ppe_get_regs_count(); 848 849 hns_rcb_get_common_regs(vf_cb->dsaf_dev->rcb_common[0], p); 850 p += hns_rcb_get_common_regs_count(); 851 852 for (i = 0; i < handle->q_num; i++) { 853 hns_rcb_get_ring_regs(handle->qs[i], p); 854 p += hns_rcb_get_ring_regs_count(); 855 } 856 857 hns_mac_get_regs(vf_cb->mac_cb, p); 858 p += hns_mac_get_regs_count(vf_cb->mac_cb); 859 860 if (vf_cb->mac_cb->mac_type == HNAE_PORT_SERVICE) 861 hns_dsaf_get_regs(vf_cb->dsaf_dev, vf_cb->port_index, p); 862 } 863 864 static int hns_ae_get_regs_len(struct hnae_handle *handle) 865 { 866 u32 total_num; 867 struct hnae_vf_cb *vf_cb = hns_ae_get_vf_cb(handle); 868 869 total_num = hns_ppe_get_regs_count(); 870 total_num += hns_rcb_get_common_regs_count(); 871 total_num += hns_rcb_get_ring_regs_count() * handle->q_num; 872 total_num += hns_mac_get_regs_count(vf_cb->mac_cb); 873 874 if (vf_cb->mac_cb->mac_type == HNAE_PORT_SERVICE) 875 total_num += hns_dsaf_get_regs_count(); 876 877 return total_num; 878 } 879 880 static u32 hns_ae_get_rss_key_size(struct hnae_handle *handle) 881 { 882 return HNS_PPEV2_RSS_KEY_SIZE; 883 } 884 885 static u32 hns_ae_get_rss_indir_size(struct hnae_handle *handle) 886 { 887 return HNS_PPEV2_RSS_IND_TBL_SIZE; 888 } 889 890 static int hns_ae_get_rss(struct hnae_handle *handle, u32 *indir, u8 *key, 891 u8 *hfunc) 892 { 893 struct hns_ppe_cb *ppe_cb = hns_get_ppe_cb(handle); 894 895 /* currently we support only one type of hash function i.e. Toep hash */ 896 if (hfunc) 897 *hfunc = ETH_RSS_HASH_TOP; 898 899 /* get the RSS Key required by the user */ 900 if (key) 901 memcpy(key, ppe_cb->rss_key, HNS_PPEV2_RSS_KEY_SIZE); 902 903 /* update the current hash->queue mappings from the shadow RSS table */ 904 if (indir) 905 memcpy(indir, ppe_cb->rss_indir_table, 906 HNS_PPEV2_RSS_IND_TBL_SIZE * sizeof(*indir)); 907 908 return 0; 909 } 910 911 static int hns_ae_set_rss(struct hnae_handle *handle, const u32 *indir, 912 const u8 *key, const u8 hfunc) 913 { 914 struct hns_ppe_cb *ppe_cb = hns_get_ppe_cb(handle); 915 916 /* set the RSS Hash Key if specififed by the user */ 917 if (key) { 918 memcpy(ppe_cb->rss_key, key, HNS_PPEV2_RSS_KEY_SIZE); 919 hns_ppe_set_rss_key(ppe_cb, ppe_cb->rss_key); 920 } 921 922 if (indir) { 923 /* update the shadow RSS table with user specified qids */ 924 memcpy(ppe_cb->rss_indir_table, indir, 925 HNS_PPEV2_RSS_IND_TBL_SIZE * sizeof(*indir)); 926 927 /* now update the hardware */ 928 hns_ppe_set_indir_table(ppe_cb, ppe_cb->rss_indir_table); 929 } 930 931 return 0; 932 } 933 934 static struct hnae_ae_ops hns_dsaf_ops = { 935 .get_handle = hns_ae_get_handle, 936 .put_handle = hns_ae_put_handle, 937 .init_queue = hns_ae_init_queue, 938 .fini_queue = hns_ae_fini_queue, 939 .start = hns_ae_start, 940 .stop = hns_ae_stop, 941 .reset = hns_ae_reset, 942 .toggle_ring_irq = hns_ae_toggle_ring_irq, 943 .get_status = hns_ae_get_link_status, 944 .get_info = hns_ae_get_mac_info, 945 .adjust_link = hns_ae_adjust_link, 946 .need_adjust_link = hns_ae_need_adjust_link, 947 .set_loopback = hns_ae_config_loopback, 948 .get_ring_bdnum_limit = hns_ae_get_ring_bdnum_limit, 949 .get_pauseparam = hns_ae_get_pauseparam, 950 .set_pauseparam = hns_ae_set_pauseparam, 951 .get_coalesce_usecs = hns_ae_get_coalesce_usecs, 952 .get_max_coalesced_frames = hns_ae_get_max_coalesced_frames, 953 .set_coalesce_usecs = hns_ae_set_coalesce_usecs, 954 .set_coalesce_frames = hns_ae_set_coalesce_frames, 955 .get_coalesce_range = hns_ae_get_coalesce_range, 956 .set_promisc_mode = hns_ae_set_promisc_mode, 957 .set_mac_addr = hns_ae_set_mac_address, 958 .add_uc_addr = hns_ae_add_uc_address, 959 .rm_uc_addr = hns_ae_rm_uc_address, 960 .set_mc_addr = hns_ae_set_multicast_one, 961 .clr_mc_addr = hns_ae_clr_multicast, 962 .set_mtu = hns_ae_set_mtu, 963 .update_stats = hns_ae_update_stats, 964 .set_tso_stats = hns_ae_set_tso_stats, 965 .get_stats = hns_ae_get_stats, 966 .get_strings = hns_ae_get_strings, 967 .get_sset_count = hns_ae_get_sset_count, 968 .update_led_status = hns_ae_update_led_status, 969 .set_led_id = hns_ae_cpld_set_led_id, 970 .get_regs = hns_ae_get_regs, 971 .get_regs_len = hns_ae_get_regs_len, 972 .get_rss_key_size = hns_ae_get_rss_key_size, 973 .get_rss_indir_size = hns_ae_get_rss_indir_size, 974 .get_rss = hns_ae_get_rss, 975 .set_rss = hns_ae_set_rss 976 }; 977 978 int hns_dsaf_ae_init(struct dsaf_device *dsaf_dev) 979 { 980 struct hnae_ae_dev *ae_dev = &dsaf_dev->ae_dev; 981 static atomic_t id = ATOMIC_INIT(-1); 982 983 switch (dsaf_dev->dsaf_ver) { 984 case AE_VERSION_1: 985 hns_dsaf_ops.toggle_ring_irq = hns_ae_toggle_ring_irq; 986 break; 987 case AE_VERSION_2: 988 hns_dsaf_ops.toggle_ring_irq = hns_aev2_toggle_ring_irq; 989 break; 990 default: 991 break; 992 } 993 994 snprintf(ae_dev->name, AE_NAME_SIZE, "%s%d", DSAF_DEVICE_NAME, 995 (int)atomic_inc_return(&id)); 996 ae_dev->ops = &hns_dsaf_ops; 997 ae_dev->dev = dsaf_dev->dev; 998 999 return hnae_ae_register(ae_dev, THIS_MODULE); 1000 } 1001 1002 void hns_dsaf_ae_uninit(struct dsaf_device *dsaf_dev) 1003 { 1004 hnae_ae_unregister(&dsaf_dev->ae_dev); 1005 } 1006