1 /* 2 * Copyright (c) 2014-2015 Hisilicon Limited. 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License as published by 6 * the Free Software Foundation; either version 2 of the License, or 7 * (at your option) any later version. 8 */ 9 10 #include <linux/etherdevice.h> 11 #include <linux/netdevice.h> 12 #include <linux/spinlock.h> 13 14 #include "hnae.h" 15 #include "hns_dsaf_mac.h" 16 #include "hns_dsaf_main.h" 17 #include "hns_dsaf_ppe.h" 18 #include "hns_dsaf_rcb.h" 19 20 #define AE_NAME_PORT_ID_IDX 6 21 22 static struct hns_mac_cb *hns_get_mac_cb(struct hnae_handle *handle) 23 { 24 struct hnae_vf_cb *vf_cb = hns_ae_get_vf_cb(handle); 25 26 return vf_cb->mac_cb; 27 } 28 29 static struct dsaf_device *hns_ae_get_dsaf_dev(struct hnae_ae_dev *dev) 30 { 31 return container_of(dev, struct dsaf_device, ae_dev); 32 } 33 34 static struct hns_ppe_cb *hns_get_ppe_cb(struct hnae_handle *handle) 35 { 36 int ppe_index; 37 struct ppe_common_cb *ppe_comm; 38 struct hnae_vf_cb *vf_cb = hns_ae_get_vf_cb(handle); 39 40 ppe_comm = vf_cb->dsaf_dev->ppe_common[0]; 41 ppe_index = vf_cb->port_index; 42 43 return &ppe_comm->ppe_cb[ppe_index]; 44 } 45 46 static int hns_ae_get_q_num_per_vf( 47 struct dsaf_device *dsaf_dev, int port) 48 { 49 return dsaf_dev->rcb_common[0]->max_q_per_vf; 50 } 51 52 static int hns_ae_get_vf_num_per_port( 53 struct dsaf_device *dsaf_dev, int port) 54 { 55 return dsaf_dev->rcb_common[0]->max_vfn; 56 } 57 58 static struct ring_pair_cb *hns_ae_get_base_ring_pair( 59 struct dsaf_device *dsaf_dev, int port) 60 { 61 struct rcb_common_cb *rcb_comm = dsaf_dev->rcb_common[0]; 62 int q_num = rcb_comm->max_q_per_vf; 63 int vf_num = rcb_comm->max_vfn; 64 65 return &rcb_comm->ring_pair_cb[port * q_num * vf_num]; 66 } 67 68 static struct ring_pair_cb *hns_ae_get_ring_pair(struct hnae_queue *q) 69 { 70 return container_of(q, struct ring_pair_cb, q); 71 } 72 73 static struct hnae_handle *hns_ae_get_handle(struct hnae_ae_dev *dev, 74 u32 port_id) 75 { 76 int vfnum_per_port; 77 int qnum_per_vf; 78 int i; 79 struct dsaf_device *dsaf_dev; 80 struct hnae_handle *ae_handle; 81 struct ring_pair_cb *ring_pair_cb; 82 struct hnae_vf_cb *vf_cb; 83 84 dsaf_dev = hns_ae_get_dsaf_dev(dev); 85 86 ring_pair_cb = hns_ae_get_base_ring_pair(dsaf_dev, port_id); 87 vfnum_per_port = hns_ae_get_vf_num_per_port(dsaf_dev, port_id); 88 qnum_per_vf = hns_ae_get_q_num_per_vf(dsaf_dev, port_id); 89 90 vf_cb = kzalloc(sizeof(*vf_cb) + 91 qnum_per_vf * sizeof(struct hnae_queue *), GFP_KERNEL); 92 if (unlikely(!vf_cb)) { 93 dev_err(dsaf_dev->dev, "malloc vf_cb fail!\n"); 94 ae_handle = ERR_PTR(-ENOMEM); 95 goto handle_err; 96 } 97 ae_handle = &vf_cb->ae_handle; 98 /* ae_handle Init */ 99 ae_handle->owner_dev = dsaf_dev->dev; 100 ae_handle->dev = dev; 101 ae_handle->q_num = qnum_per_vf; 102 ae_handle->coal_param = HNAE_LOWEST_LATENCY_COAL_PARAM; 103 104 /* find ring pair, and set vf id*/ 105 for (ae_handle->vf_id = 0; 106 ae_handle->vf_id < vfnum_per_port; ae_handle->vf_id++) { 107 if (!ring_pair_cb->used_by_vf) 108 break; 109 ring_pair_cb += qnum_per_vf; 110 } 111 if (ae_handle->vf_id >= vfnum_per_port) { 112 dev_err(dsaf_dev->dev, "malloc queue fail!\n"); 113 ae_handle = ERR_PTR(-EINVAL); 114 goto vf_id_err; 115 } 116 117 ae_handle->qs = (struct hnae_queue **)(&ae_handle->qs + 1); 118 for (i = 0; i < qnum_per_vf; i++) { 119 ae_handle->qs[i] = &ring_pair_cb->q; 120 ae_handle->qs[i]->rx_ring.q = ae_handle->qs[i]; 121 ae_handle->qs[i]->tx_ring.q = ae_handle->qs[i]; 122 123 ring_pair_cb->used_by_vf = 1; 124 ring_pair_cb++; 125 } 126 127 vf_cb->dsaf_dev = dsaf_dev; 128 vf_cb->port_index = port_id; 129 vf_cb->mac_cb = dsaf_dev->mac_cb[port_id]; 130 131 ae_handle->phy_if = vf_cb->mac_cb->phy_if; 132 ae_handle->phy_dev = vf_cb->mac_cb->phy_dev; 133 ae_handle->if_support = vf_cb->mac_cb->if_support; 134 ae_handle->port_type = vf_cb->mac_cb->mac_type; 135 ae_handle->media_type = vf_cb->mac_cb->media_type; 136 ae_handle->dport_id = port_id; 137 138 return ae_handle; 139 vf_id_err: 140 kfree(vf_cb); 141 handle_err: 142 return ae_handle; 143 } 144 145 static void hns_ae_put_handle(struct hnae_handle *handle) 146 { 147 struct hnae_vf_cb *vf_cb = hns_ae_get_vf_cb(handle); 148 int i; 149 150 vf_cb->mac_cb = NULL; 151 152 kfree(vf_cb); 153 154 for (i = 0; i < handle->q_num; i++) 155 hns_ae_get_ring_pair(handle->qs[i])->used_by_vf = 0; 156 } 157 158 static int hns_ae_wait_flow_down(struct hnae_handle *handle) 159 { 160 struct dsaf_device *dsaf_dev; 161 struct hns_ppe_cb *ppe_cb; 162 struct hnae_vf_cb *vf_cb; 163 int ret; 164 int i; 165 166 for (i = 0; i < handle->q_num; i++) { 167 ret = hns_rcb_wait_tx_ring_clean(handle->qs[i]); 168 if (ret) 169 return ret; 170 } 171 172 ppe_cb = hns_get_ppe_cb(handle); 173 ret = hns_ppe_wait_tx_fifo_clean(ppe_cb); 174 if (ret) 175 return ret; 176 177 dsaf_dev = hns_ae_get_dsaf_dev(handle->dev); 178 if (!dsaf_dev) 179 return -EINVAL; 180 ret = hns_dsaf_wait_pkt_clean(dsaf_dev, handle->dport_id); 181 if (ret) 182 return ret; 183 184 vf_cb = hns_ae_get_vf_cb(handle); 185 ret = hns_mac_wait_fifo_clean(vf_cb->mac_cb); 186 if (ret) 187 return ret; 188 189 mdelay(10); 190 return 0; 191 } 192 193 static void hns_ae_ring_enable_all(struct hnae_handle *handle, int val) 194 { 195 int q_num = handle->q_num; 196 int i; 197 198 for (i = 0; i < q_num; i++) 199 hns_rcb_ring_enable_hw(handle->qs[i], val); 200 } 201 202 static void hns_ae_init_queue(struct hnae_queue *q) 203 { 204 struct ring_pair_cb *ring = 205 container_of(q, struct ring_pair_cb, q); 206 207 hns_rcb_init_hw(ring); 208 } 209 210 static void hns_ae_fini_queue(struct hnae_queue *q) 211 { 212 struct hnae_vf_cb *vf_cb = hns_ae_get_vf_cb(q->handle); 213 214 if (vf_cb->mac_cb->mac_type == HNAE_PORT_SERVICE) 215 hns_rcb_reset_ring_hw(q); 216 } 217 218 static int hns_ae_set_mac_address(struct hnae_handle *handle, void *p) 219 { 220 int ret; 221 struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle); 222 223 if (!p || !is_valid_ether_addr((const u8 *)p)) { 224 dev_err(handle->owner_dev, "is not valid ether addr !\n"); 225 return -EADDRNOTAVAIL; 226 } 227 228 ret = hns_mac_change_vf_addr(mac_cb, handle->vf_id, p); 229 if (ret != 0) { 230 dev_err(handle->owner_dev, 231 "set_mac_address fail, ret=%d!\n", ret); 232 return ret; 233 } 234 235 return 0; 236 } 237 238 static int hns_ae_add_uc_address(struct hnae_handle *handle, 239 const unsigned char *addr) 240 { 241 struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle); 242 243 if (mac_cb->mac_type != HNAE_PORT_SERVICE) 244 return -ENOSPC; 245 246 return hns_mac_add_uc_addr(mac_cb, handle->vf_id, addr); 247 } 248 249 static int hns_ae_rm_uc_address(struct hnae_handle *handle, 250 const unsigned char *addr) 251 { 252 struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle); 253 254 if (mac_cb->mac_type != HNAE_PORT_SERVICE) 255 return -ENOSPC; 256 257 return hns_mac_rm_uc_addr(mac_cb, handle->vf_id, addr); 258 } 259 260 static int hns_ae_set_multicast_one(struct hnae_handle *handle, void *addr) 261 { 262 int ret; 263 char *mac_addr = (char *)addr; 264 struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle); 265 u8 port_num; 266 267 assert(mac_cb); 268 269 if (mac_cb->mac_type != HNAE_PORT_SERVICE) 270 return 0; 271 272 ret = hns_mac_set_multi(mac_cb, mac_cb->mac_id, mac_addr, true); 273 if (ret) { 274 dev_err(handle->owner_dev, 275 "mac add mul_mac:%pM port%d fail, ret = %#x!\n", 276 mac_addr, mac_cb->mac_id, ret); 277 return ret; 278 } 279 280 ret = hns_mac_get_inner_port_num(mac_cb, handle->vf_id, &port_num); 281 if (ret) 282 return ret; 283 284 ret = hns_mac_set_multi(mac_cb, port_num, mac_addr, true); 285 if (ret) 286 dev_err(handle->owner_dev, 287 "mac add mul_mac:%pM port%d fail, ret = %#x!\n", 288 mac_addr, DSAF_BASE_INNER_PORT_NUM, ret); 289 290 return ret; 291 } 292 293 static int hns_ae_clr_multicast(struct hnae_handle *handle) 294 { 295 struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle); 296 297 if (mac_cb->mac_type != HNAE_PORT_SERVICE) 298 return 0; 299 300 return hns_mac_clr_multicast(mac_cb, handle->vf_id); 301 } 302 303 static int hns_ae_set_mtu(struct hnae_handle *handle, int new_mtu) 304 { 305 struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle); 306 struct hnae_queue *q; 307 u32 rx_buf_size; 308 int i, ret; 309 310 /* when buf_size is 2048, max mtu is 6K for rx ring max bd num is 3. */ 311 if (!AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver)) { 312 if (new_mtu <= BD_SIZE_2048_MAX_MTU) 313 rx_buf_size = 2048; 314 else 315 rx_buf_size = 4096; 316 } else { 317 rx_buf_size = mac_cb->dsaf_dev->buf_size; 318 } 319 320 ret = hns_mac_set_mtu(mac_cb, new_mtu, rx_buf_size); 321 322 if (!ret) { 323 /* reinit ring buf_size */ 324 for (i = 0; i < handle->q_num; i++) { 325 q = handle->qs[i]; 326 q->rx_ring.buf_size = rx_buf_size; 327 hns_rcb_set_rx_ring_bs(q, rx_buf_size); 328 } 329 } 330 331 return ret; 332 } 333 334 static void hns_ae_set_tso_stats(struct hnae_handle *handle, int enable) 335 { 336 struct hns_ppe_cb *ppe_cb = hns_get_ppe_cb(handle); 337 338 hns_ppe_set_tso_enable(ppe_cb, enable); 339 } 340 341 static int hns_ae_start(struct hnae_handle *handle) 342 { 343 int ret; 344 int k; 345 struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle); 346 347 ret = hns_mac_vm_config_bc_en(mac_cb, 0, true); 348 if (ret) 349 return ret; 350 351 for (k = 0; k < handle->q_num; k++) { 352 if (AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver)) 353 hns_rcb_int_clr_hw(handle->qs[k], 354 RCB_INT_FLAG_TX | RCB_INT_FLAG_RX); 355 else 356 hns_rcbv2_int_clr_hw(handle->qs[k], 357 RCB_INT_FLAG_TX | RCB_INT_FLAG_RX); 358 } 359 hns_ae_ring_enable_all(handle, 1); 360 msleep(100); 361 362 hns_mac_start(mac_cb); 363 364 return 0; 365 } 366 367 static void hns_ae_stop(struct hnae_handle *handle) 368 { 369 struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle); 370 371 /* just clean tx fbd, neednot rx fbd*/ 372 hns_rcb_wait_fbd_clean(handle->qs, handle->q_num, RCB_INT_FLAG_TX); 373 374 msleep(20); 375 376 hns_mac_stop(mac_cb); 377 378 usleep_range(10000, 20000); 379 380 hns_ae_ring_enable_all(handle, 0); 381 382 (void)hns_mac_vm_config_bc_en(mac_cb, 0, false); 383 } 384 385 static void hns_ae_reset(struct hnae_handle *handle) 386 { 387 struct hnae_vf_cb *vf_cb = hns_ae_get_vf_cb(handle); 388 389 if (vf_cb->mac_cb->mac_type == HNAE_PORT_DEBUG) { 390 hns_mac_reset(vf_cb->mac_cb); 391 hns_ppe_reset_common(vf_cb->dsaf_dev, 0); 392 } 393 } 394 395 static void hns_ae_toggle_ring_irq(struct hnae_ring *ring, u32 mask) 396 { 397 u32 flag; 398 399 if (is_tx_ring(ring)) 400 flag = RCB_INT_FLAG_TX; 401 else 402 flag = RCB_INT_FLAG_RX; 403 404 hns_rcb_int_ctrl_hw(ring->q, flag, mask); 405 } 406 407 static void hns_aev2_toggle_ring_irq(struct hnae_ring *ring, u32 mask) 408 { 409 u32 flag; 410 411 if (is_tx_ring(ring)) 412 flag = RCB_INT_FLAG_TX; 413 else 414 flag = RCB_INT_FLAG_RX; 415 416 hns_rcbv2_int_ctrl_hw(ring->q, flag, mask); 417 } 418 419 static int hns_ae_get_link_status(struct hnae_handle *handle) 420 { 421 u32 link_status; 422 struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle); 423 424 hns_mac_get_link_status(mac_cb, &link_status); 425 426 return !!link_status; 427 } 428 429 static int hns_ae_get_mac_info(struct hnae_handle *handle, 430 u8 *auto_neg, u16 *speed, u8 *duplex) 431 { 432 struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle); 433 434 return hns_mac_get_port_info(mac_cb, auto_neg, speed, duplex); 435 } 436 437 static bool hns_ae_need_adjust_link(struct hnae_handle *handle, int speed, 438 int duplex) 439 { 440 struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle); 441 442 return hns_mac_need_adjust_link(mac_cb, speed, duplex); 443 } 444 445 static void hns_ae_adjust_link(struct hnae_handle *handle, int speed, 446 int duplex) 447 { 448 struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle); 449 450 switch (mac_cb->dsaf_dev->dsaf_ver) { 451 case AE_VERSION_1: 452 hns_mac_adjust_link(mac_cb, speed, duplex); 453 break; 454 455 case AE_VERSION_2: 456 /* chip need to clear all pkt inside */ 457 hns_mac_disable(mac_cb, MAC_COMM_MODE_RX); 458 if (hns_ae_wait_flow_down(handle)) { 459 hns_mac_enable(mac_cb, MAC_COMM_MODE_RX); 460 break; 461 } 462 463 hns_mac_adjust_link(mac_cb, speed, duplex); 464 hns_mac_enable(mac_cb, MAC_COMM_MODE_RX); 465 break; 466 467 default: 468 break; 469 } 470 471 return; 472 } 473 474 static void hns_ae_get_ring_bdnum_limit(struct hnae_queue *queue, 475 u32 *uplimit) 476 { 477 *uplimit = HNS_RCB_RING_MAX_PENDING_BD; 478 } 479 480 static void hns_ae_get_pauseparam(struct hnae_handle *handle, 481 u32 *auto_neg, u32 *rx_en, u32 *tx_en) 482 { 483 struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle); 484 struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev; 485 486 hns_mac_get_autoneg(mac_cb, auto_neg); 487 488 hns_mac_get_pauseparam(mac_cb, rx_en, tx_en); 489 490 /* Service port's pause feature is provided by DSAF, not mac */ 491 if (handle->port_type == HNAE_PORT_SERVICE) 492 hns_dsaf_get_rx_mac_pause_en(dsaf_dev, mac_cb->mac_id, rx_en); 493 } 494 495 static int hns_ae_set_autoneg(struct hnae_handle *handle, u8 enable) 496 { 497 assert(handle); 498 499 return hns_mac_set_autoneg(hns_get_mac_cb(handle), enable); 500 } 501 502 static void hns_ae_set_promisc_mode(struct hnae_handle *handle, u32 en) 503 { 504 struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle); 505 506 hns_dsaf_set_promisc_mode(hns_ae_get_dsaf_dev(handle->dev), en); 507 hns_mac_set_promisc(mac_cb, (u8)!!en); 508 } 509 510 static int hns_ae_get_autoneg(struct hnae_handle *handle) 511 { 512 u32 auto_neg; 513 514 assert(handle); 515 516 hns_mac_get_autoneg(hns_get_mac_cb(handle), &auto_neg); 517 518 return auto_neg; 519 } 520 521 static int hns_ae_set_pauseparam(struct hnae_handle *handle, 522 u32 autoneg, u32 rx_en, u32 tx_en) 523 { 524 struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle); 525 struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev; 526 int ret; 527 528 ret = hns_mac_set_autoneg(mac_cb, autoneg); 529 if (ret) 530 return ret; 531 532 /* Service port's pause feature is provided by DSAF, not mac */ 533 if (handle->port_type == HNAE_PORT_SERVICE) { 534 ret = hns_dsaf_set_rx_mac_pause_en(dsaf_dev, 535 mac_cb->mac_id, rx_en); 536 if (ret) 537 return ret; 538 rx_en = 0; 539 } 540 return hns_mac_set_pauseparam(mac_cb, rx_en, tx_en); 541 } 542 543 static void hns_ae_get_coalesce_usecs(struct hnae_handle *handle, 544 u32 *tx_usecs, u32 *rx_usecs) 545 { 546 struct ring_pair_cb *ring_pair = 547 container_of(handle->qs[0], struct ring_pair_cb, q); 548 549 *tx_usecs = hns_rcb_get_coalesce_usecs(ring_pair->rcb_common, 550 ring_pair->port_id_in_comm); 551 *rx_usecs = hns_rcb_get_coalesce_usecs(ring_pair->rcb_common, 552 ring_pair->port_id_in_comm); 553 } 554 555 static void hns_ae_get_max_coalesced_frames(struct hnae_handle *handle, 556 u32 *tx_frames, u32 *rx_frames) 557 { 558 struct ring_pair_cb *ring_pair = 559 container_of(handle->qs[0], struct ring_pair_cb, q); 560 struct dsaf_device *dsaf_dev = hns_ae_get_dsaf_dev(handle->dev); 561 562 if (AE_IS_VER1(dsaf_dev->dsaf_ver) || 563 handle->port_type == HNAE_PORT_DEBUG) 564 *tx_frames = hns_rcb_get_rx_coalesced_frames( 565 ring_pair->rcb_common, ring_pair->port_id_in_comm); 566 else 567 *tx_frames = hns_rcb_get_tx_coalesced_frames( 568 ring_pair->rcb_common, ring_pair->port_id_in_comm); 569 *rx_frames = hns_rcb_get_rx_coalesced_frames(ring_pair->rcb_common, 570 ring_pair->port_id_in_comm); 571 } 572 573 static int hns_ae_set_coalesce_usecs(struct hnae_handle *handle, 574 u32 timeout) 575 { 576 struct ring_pair_cb *ring_pair = 577 container_of(handle->qs[0], struct ring_pair_cb, q); 578 579 return hns_rcb_set_coalesce_usecs( 580 ring_pair->rcb_common, ring_pair->port_id_in_comm, timeout); 581 } 582 583 static int hns_ae_set_coalesce_frames(struct hnae_handle *handle, 584 u32 tx_frames, u32 rx_frames) 585 { 586 int ret; 587 struct ring_pair_cb *ring_pair = 588 container_of(handle->qs[0], struct ring_pair_cb, q); 589 struct dsaf_device *dsaf_dev = hns_ae_get_dsaf_dev(handle->dev); 590 591 if (AE_IS_VER1(dsaf_dev->dsaf_ver) || 592 handle->port_type == HNAE_PORT_DEBUG) { 593 if (tx_frames != rx_frames) 594 return -EINVAL; 595 return hns_rcb_set_rx_coalesced_frames( 596 ring_pair->rcb_common, 597 ring_pair->port_id_in_comm, rx_frames); 598 } else { 599 if (tx_frames != 1) 600 return -EINVAL; 601 ret = hns_rcb_set_tx_coalesced_frames( 602 ring_pair->rcb_common, 603 ring_pair->port_id_in_comm, tx_frames); 604 if (ret) 605 return ret; 606 607 return hns_rcb_set_rx_coalesced_frames( 608 ring_pair->rcb_common, 609 ring_pair->port_id_in_comm, rx_frames); 610 } 611 } 612 613 static void hns_ae_get_coalesce_range(struct hnae_handle *handle, 614 u32 *tx_frames_low, u32 *rx_frames_low, 615 u32 *tx_frames_high, u32 *rx_frames_high, 616 u32 *tx_usecs_low, u32 *rx_usecs_low, 617 u32 *tx_usecs_high, u32 *rx_usecs_high) 618 { 619 struct dsaf_device *dsaf_dev; 620 621 assert(handle); 622 623 dsaf_dev = hns_ae_get_dsaf_dev(handle->dev); 624 625 *tx_frames_low = HNS_RCB_TX_FRAMES_LOW; 626 *rx_frames_low = HNS_RCB_RX_FRAMES_LOW; 627 628 if (AE_IS_VER1(dsaf_dev->dsaf_ver) || 629 handle->port_type == HNAE_PORT_DEBUG) 630 *tx_frames_high = 631 (dsaf_dev->desc_num - 1 > HNS_RCB_TX_FRAMES_HIGH) ? 632 HNS_RCB_TX_FRAMES_HIGH : dsaf_dev->desc_num - 1; 633 else 634 *tx_frames_high = 1; 635 636 *rx_frames_high = (dsaf_dev->desc_num - 1 > HNS_RCB_RX_FRAMES_HIGH) ? 637 HNS_RCB_RX_FRAMES_HIGH : dsaf_dev->desc_num - 1; 638 *tx_usecs_low = HNS_RCB_TX_USECS_LOW; 639 *rx_usecs_low = HNS_RCB_RX_USECS_LOW; 640 *tx_usecs_high = HNS_RCB_TX_USECS_HIGH; 641 *rx_usecs_high = HNS_RCB_RX_USECS_HIGH; 642 } 643 644 static void hns_ae_update_stats(struct hnae_handle *handle, 645 struct net_device_stats *net_stats) 646 { 647 int port; 648 int idx; 649 struct dsaf_device *dsaf_dev; 650 struct hns_mac_cb *mac_cb; 651 struct hns_ppe_cb *ppe_cb; 652 struct hnae_queue *queue; 653 struct hnae_vf_cb *vf_cb = hns_ae_get_vf_cb(handle); 654 u64 tx_bytes = 0, rx_bytes = 0, tx_packets = 0, rx_packets = 0; 655 u64 rx_errors = 0, tx_errors = 0, tx_dropped = 0; 656 u64 rx_missed_errors = 0; 657 658 dsaf_dev = hns_ae_get_dsaf_dev(handle->dev); 659 if (!dsaf_dev) 660 return; 661 port = vf_cb->port_index; 662 ppe_cb = hns_get_ppe_cb(handle); 663 mac_cb = hns_get_mac_cb(handle); 664 665 for (idx = 0; idx < handle->q_num; idx++) { 666 queue = handle->qs[idx]; 667 hns_rcb_update_stats(queue); 668 669 tx_bytes += queue->tx_ring.stats.tx_bytes; 670 tx_packets += queue->tx_ring.stats.tx_pkts; 671 rx_bytes += queue->rx_ring.stats.rx_bytes; 672 rx_packets += queue->rx_ring.stats.rx_pkts; 673 674 rx_errors += queue->rx_ring.stats.err_pkt_len 675 + queue->rx_ring.stats.l2_err 676 + queue->rx_ring.stats.l3l4_csum_err; 677 } 678 679 hns_ppe_update_stats(ppe_cb); 680 rx_missed_errors = ppe_cb->hw_stats.rx_drop_no_buf; 681 tx_errors += ppe_cb->hw_stats.tx_err_checksum 682 + ppe_cb->hw_stats.tx_err_fifo_empty; 683 684 if (mac_cb->mac_type == HNAE_PORT_SERVICE) { 685 hns_dsaf_update_stats(dsaf_dev, port); 686 /* for port upline direction, i.e., rx. */ 687 rx_missed_errors += dsaf_dev->hw_stats[port].bp_drop; 688 rx_missed_errors += dsaf_dev->hw_stats[port].pad_drop; 689 rx_missed_errors += dsaf_dev->hw_stats[port].crc_false; 690 691 /* for port downline direction, i.e., tx. */ 692 port = port + DSAF_PPE_INODE_BASE; 693 hns_dsaf_update_stats(dsaf_dev, port); 694 tx_dropped += dsaf_dev->hw_stats[port].bp_drop; 695 tx_dropped += dsaf_dev->hw_stats[port].pad_drop; 696 tx_dropped += dsaf_dev->hw_stats[port].crc_false; 697 tx_dropped += dsaf_dev->hw_stats[port].rslt_drop; 698 tx_dropped += dsaf_dev->hw_stats[port].vlan_drop; 699 tx_dropped += dsaf_dev->hw_stats[port].stp_drop; 700 } 701 702 hns_mac_update_stats(mac_cb); 703 rx_errors += mac_cb->hw_stats.rx_fifo_overrun_err; 704 705 tx_errors += mac_cb->hw_stats.tx_bad_pkts 706 + mac_cb->hw_stats.tx_fragment_err 707 + mac_cb->hw_stats.tx_jabber_err 708 + mac_cb->hw_stats.tx_underrun_err 709 + mac_cb->hw_stats.tx_crc_err; 710 711 net_stats->tx_bytes = tx_bytes; 712 net_stats->tx_packets = tx_packets; 713 net_stats->rx_bytes = rx_bytes; 714 net_stats->rx_dropped = 0; 715 net_stats->rx_packets = rx_packets; 716 net_stats->rx_errors = rx_errors; 717 net_stats->tx_errors = tx_errors; 718 net_stats->tx_dropped = tx_dropped; 719 net_stats->rx_missed_errors = rx_missed_errors; 720 net_stats->rx_crc_errors = mac_cb->hw_stats.rx_fcs_err; 721 net_stats->rx_frame_errors = mac_cb->hw_stats.rx_align_err; 722 net_stats->rx_fifo_errors = mac_cb->hw_stats.rx_fifo_overrun_err; 723 net_stats->rx_length_errors = mac_cb->hw_stats.rx_len_err; 724 net_stats->multicast = mac_cb->hw_stats.rx_mc_pkts; 725 } 726 727 static void hns_ae_get_stats(struct hnae_handle *handle, u64 *data) 728 { 729 int idx; 730 struct hns_mac_cb *mac_cb; 731 struct hns_ppe_cb *ppe_cb; 732 u64 *p = data; 733 struct hnae_vf_cb *vf_cb; 734 735 if (!handle || !data) { 736 pr_err("hns_ae_get_stats NULL handle or data pointer!\n"); 737 return; 738 } 739 740 vf_cb = hns_ae_get_vf_cb(handle); 741 mac_cb = hns_get_mac_cb(handle); 742 ppe_cb = hns_get_ppe_cb(handle); 743 744 for (idx = 0; idx < handle->q_num; idx++) { 745 hns_rcb_get_stats(handle->qs[idx], p); 746 p += hns_rcb_get_ring_sset_count((int)ETH_SS_STATS); 747 } 748 749 hns_ppe_get_stats(ppe_cb, p); 750 p += hns_ppe_get_sset_count((int)ETH_SS_STATS); 751 752 hns_mac_get_stats(mac_cb, p); 753 p += hns_mac_get_sset_count(mac_cb, (int)ETH_SS_STATS); 754 755 if (mac_cb->mac_type == HNAE_PORT_SERVICE) 756 hns_dsaf_get_stats(vf_cb->dsaf_dev, p, vf_cb->port_index); 757 } 758 759 static void hns_ae_get_strings(struct hnae_handle *handle, 760 u32 stringset, u8 *data) 761 { 762 int port; 763 int idx; 764 struct hns_mac_cb *mac_cb; 765 struct hns_ppe_cb *ppe_cb; 766 struct dsaf_device *dsaf_dev = hns_ae_get_dsaf_dev(handle->dev); 767 u8 *p = data; 768 struct hnae_vf_cb *vf_cb; 769 770 assert(handle); 771 772 vf_cb = hns_ae_get_vf_cb(handle); 773 port = vf_cb->port_index; 774 mac_cb = hns_get_mac_cb(handle); 775 ppe_cb = hns_get_ppe_cb(handle); 776 777 for (idx = 0; idx < handle->q_num; idx++) { 778 hns_rcb_get_strings(stringset, p, idx); 779 p += ETH_GSTRING_LEN * hns_rcb_get_ring_sset_count(stringset); 780 } 781 782 hns_ppe_get_strings(ppe_cb, stringset, p); 783 p += ETH_GSTRING_LEN * hns_ppe_get_sset_count(stringset); 784 785 hns_mac_get_strings(mac_cb, stringset, p); 786 p += ETH_GSTRING_LEN * hns_mac_get_sset_count(mac_cb, stringset); 787 788 if (mac_cb->mac_type == HNAE_PORT_SERVICE) 789 hns_dsaf_get_strings(stringset, p, port, dsaf_dev); 790 } 791 792 static int hns_ae_get_sset_count(struct hnae_handle *handle, int stringset) 793 { 794 u32 sset_count = 0; 795 struct hns_mac_cb *mac_cb; 796 struct dsaf_device *dsaf_dev = hns_ae_get_dsaf_dev(handle->dev); 797 798 assert(handle); 799 800 mac_cb = hns_get_mac_cb(handle); 801 802 sset_count += hns_rcb_get_ring_sset_count(stringset) * handle->q_num; 803 sset_count += hns_ppe_get_sset_count(stringset); 804 sset_count += hns_mac_get_sset_count(mac_cb, stringset); 805 806 if (mac_cb->mac_type == HNAE_PORT_SERVICE) 807 sset_count += hns_dsaf_get_sset_count(dsaf_dev, stringset); 808 809 return sset_count; 810 } 811 812 static int hns_ae_config_loopback(struct hnae_handle *handle, 813 enum hnae_loop loop, int en) 814 { 815 int ret; 816 struct hnae_vf_cb *vf_cb = hns_ae_get_vf_cb(handle); 817 struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle); 818 struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev; 819 820 switch (loop) { 821 case MAC_INTERNALLOOP_PHY: 822 ret = 0; 823 break; 824 case MAC_INTERNALLOOP_SERDES: 825 ret = dsaf_dev->misc_op->cfg_serdes_loopback(vf_cb->mac_cb, 826 !!en); 827 break; 828 case MAC_INTERNALLOOP_MAC: 829 ret = hns_mac_config_mac_loopback(vf_cb->mac_cb, loop, en); 830 break; 831 default: 832 ret = -EINVAL; 833 } 834 835 return ret; 836 } 837 838 static void hns_ae_update_led_status(struct hnae_handle *handle) 839 { 840 struct hns_mac_cb *mac_cb; 841 842 assert(handle); 843 mac_cb = hns_get_mac_cb(handle); 844 if (mac_cb->media_type != HNAE_MEDIA_TYPE_FIBER) 845 return; 846 847 hns_set_led_opt(mac_cb); 848 } 849 850 static int hns_ae_cpld_set_led_id(struct hnae_handle *handle, 851 enum hnae_led_state status) 852 { 853 struct hns_mac_cb *mac_cb; 854 855 assert(handle); 856 857 mac_cb = hns_get_mac_cb(handle); 858 859 return hns_cpld_led_set_id(mac_cb, status); 860 } 861 862 static void hns_ae_get_regs(struct hnae_handle *handle, void *data) 863 { 864 u32 *p = data; 865 int i; 866 struct hnae_vf_cb *vf_cb = hns_ae_get_vf_cb(handle); 867 struct hns_ppe_cb *ppe_cb = hns_get_ppe_cb(handle); 868 869 hns_ppe_get_regs(ppe_cb, p); 870 p += hns_ppe_get_regs_count(); 871 872 hns_rcb_get_common_regs(vf_cb->dsaf_dev->rcb_common[0], p); 873 p += hns_rcb_get_common_regs_count(); 874 875 for (i = 0; i < handle->q_num; i++) { 876 hns_rcb_get_ring_regs(handle->qs[i], p); 877 p += hns_rcb_get_ring_regs_count(); 878 } 879 880 hns_mac_get_regs(vf_cb->mac_cb, p); 881 p += hns_mac_get_regs_count(vf_cb->mac_cb); 882 883 if (vf_cb->mac_cb->mac_type == HNAE_PORT_SERVICE) 884 hns_dsaf_get_regs(vf_cb->dsaf_dev, vf_cb->port_index, p); 885 } 886 887 static int hns_ae_get_regs_len(struct hnae_handle *handle) 888 { 889 u32 total_num; 890 struct hnae_vf_cb *vf_cb = hns_ae_get_vf_cb(handle); 891 892 total_num = hns_ppe_get_regs_count(); 893 total_num += hns_rcb_get_common_regs_count(); 894 total_num += hns_rcb_get_ring_regs_count() * handle->q_num; 895 total_num += hns_mac_get_regs_count(vf_cb->mac_cb); 896 897 if (vf_cb->mac_cb->mac_type == HNAE_PORT_SERVICE) 898 total_num += hns_dsaf_get_regs_count(); 899 900 return total_num; 901 } 902 903 static u32 hns_ae_get_rss_key_size(struct hnae_handle *handle) 904 { 905 return HNS_PPEV2_RSS_KEY_SIZE; 906 } 907 908 static u32 hns_ae_get_rss_indir_size(struct hnae_handle *handle) 909 { 910 return HNS_PPEV2_RSS_IND_TBL_SIZE; 911 } 912 913 static int hns_ae_get_rss(struct hnae_handle *handle, u32 *indir, u8 *key, 914 u8 *hfunc) 915 { 916 struct hns_ppe_cb *ppe_cb = hns_get_ppe_cb(handle); 917 918 /* currently we support only one type of hash function i.e. Toep hash */ 919 if (hfunc) 920 *hfunc = ETH_RSS_HASH_TOP; 921 922 /* get the RSS Key required by the user */ 923 if (key) 924 memcpy(key, ppe_cb->rss_key, HNS_PPEV2_RSS_KEY_SIZE); 925 926 /* update the current hash->queue mappings from the shadow RSS table */ 927 if (indir) 928 memcpy(indir, ppe_cb->rss_indir_table, 929 HNS_PPEV2_RSS_IND_TBL_SIZE * sizeof(*indir)); 930 931 return 0; 932 } 933 934 static int hns_ae_set_rss(struct hnae_handle *handle, const u32 *indir, 935 const u8 *key, const u8 hfunc) 936 { 937 struct hns_ppe_cb *ppe_cb = hns_get_ppe_cb(handle); 938 939 /* set the RSS Hash Key if specififed by the user */ 940 if (key) { 941 memcpy(ppe_cb->rss_key, key, HNS_PPEV2_RSS_KEY_SIZE); 942 hns_ppe_set_rss_key(ppe_cb, ppe_cb->rss_key); 943 } 944 945 if (indir) { 946 /* update the shadow RSS table with user specified qids */ 947 memcpy(ppe_cb->rss_indir_table, indir, 948 HNS_PPEV2_RSS_IND_TBL_SIZE * sizeof(*indir)); 949 950 /* now update the hardware */ 951 hns_ppe_set_indir_table(ppe_cb, ppe_cb->rss_indir_table); 952 } 953 954 return 0; 955 } 956 957 static struct hnae_ae_ops hns_dsaf_ops = { 958 .get_handle = hns_ae_get_handle, 959 .put_handle = hns_ae_put_handle, 960 .init_queue = hns_ae_init_queue, 961 .fini_queue = hns_ae_fini_queue, 962 .start = hns_ae_start, 963 .stop = hns_ae_stop, 964 .reset = hns_ae_reset, 965 .toggle_ring_irq = hns_ae_toggle_ring_irq, 966 .get_status = hns_ae_get_link_status, 967 .get_info = hns_ae_get_mac_info, 968 .adjust_link = hns_ae_adjust_link, 969 .need_adjust_link = hns_ae_need_adjust_link, 970 .set_loopback = hns_ae_config_loopback, 971 .get_ring_bdnum_limit = hns_ae_get_ring_bdnum_limit, 972 .get_pauseparam = hns_ae_get_pauseparam, 973 .set_autoneg = hns_ae_set_autoneg, 974 .get_autoneg = hns_ae_get_autoneg, 975 .set_pauseparam = hns_ae_set_pauseparam, 976 .get_coalesce_usecs = hns_ae_get_coalesce_usecs, 977 .get_max_coalesced_frames = hns_ae_get_max_coalesced_frames, 978 .set_coalesce_usecs = hns_ae_set_coalesce_usecs, 979 .set_coalesce_frames = hns_ae_set_coalesce_frames, 980 .get_coalesce_range = hns_ae_get_coalesce_range, 981 .set_promisc_mode = hns_ae_set_promisc_mode, 982 .set_mac_addr = hns_ae_set_mac_address, 983 .add_uc_addr = hns_ae_add_uc_address, 984 .rm_uc_addr = hns_ae_rm_uc_address, 985 .set_mc_addr = hns_ae_set_multicast_one, 986 .clr_mc_addr = hns_ae_clr_multicast, 987 .set_mtu = hns_ae_set_mtu, 988 .update_stats = hns_ae_update_stats, 989 .set_tso_stats = hns_ae_set_tso_stats, 990 .get_stats = hns_ae_get_stats, 991 .get_strings = hns_ae_get_strings, 992 .get_sset_count = hns_ae_get_sset_count, 993 .update_led_status = hns_ae_update_led_status, 994 .set_led_id = hns_ae_cpld_set_led_id, 995 .get_regs = hns_ae_get_regs, 996 .get_regs_len = hns_ae_get_regs_len, 997 .get_rss_key_size = hns_ae_get_rss_key_size, 998 .get_rss_indir_size = hns_ae_get_rss_indir_size, 999 .get_rss = hns_ae_get_rss, 1000 .set_rss = hns_ae_set_rss 1001 }; 1002 1003 int hns_dsaf_ae_init(struct dsaf_device *dsaf_dev) 1004 { 1005 struct hnae_ae_dev *ae_dev = &dsaf_dev->ae_dev; 1006 static atomic_t id = ATOMIC_INIT(-1); 1007 1008 switch (dsaf_dev->dsaf_ver) { 1009 case AE_VERSION_1: 1010 hns_dsaf_ops.toggle_ring_irq = hns_ae_toggle_ring_irq; 1011 break; 1012 case AE_VERSION_2: 1013 hns_dsaf_ops.toggle_ring_irq = hns_aev2_toggle_ring_irq; 1014 break; 1015 default: 1016 break; 1017 } 1018 1019 snprintf(ae_dev->name, AE_NAME_SIZE, "%s%d", DSAF_DEVICE_NAME, 1020 (int)atomic_inc_return(&id)); 1021 ae_dev->ops = &hns_dsaf_ops; 1022 ae_dev->dev = dsaf_dev->dev; 1023 1024 return hnae_ae_register(ae_dev, THIS_MODULE); 1025 } 1026 1027 void hns_dsaf_ae_uninit(struct dsaf_device *dsaf_dev) 1028 { 1029 hnae_ae_unregister(&dsaf_dev->ae_dev); 1030 } 1031