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