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