drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c

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