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