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         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 }