drivers/net/hns3/hns3_ethdev.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2018-2019 Hisilicon Limited.
   3  */
   4
   5 #include <errno.h>
   6 #include <stdarg.h>
   7 #include <stdbool.h>
   8 #include <stdio.h>
   9 #include <stdint.h>
  10 #include <inttypes.h>
  11 #include <unistd.h>
  12 #include <rte_atomic.h>
  13 #include <rte_bus_pci.h>
  14 #include <rte_common.h>
  15 #include <rte_cycles.h>
  16 #include <rte_dev.h>
  17 #include <rte_eal.h>
  18 #include <rte_ether.h>
  19 #include <rte_ethdev_driver.h>
  20 #include <rte_ethdev_pci.h>
  21 #include <rte_interrupts.h>
  22 #include <rte_io.h>
  23 #include <rte_log.h>
  24 #include <rte_pci.h>
  25
  26 #include "hns3_ethdev.h"
  27 #include "hns3_logs.h"
  28 #include "hns3_rxtx.h"
  29 #include "hns3_intr.h"
  30 #include "hns3_regs.h"
  31 #include "hns3_dcb.h"
  32 #include "hns3_mp.h"
  33
  34 #define HNS3_DEFAULT_PORT_CONF_BURST_SIZE       32
  35 #define HNS3_DEFAULT_PORT_CONF_QUEUES_NUM       1
  36
  37 #define HNS3_SERVICE_INTERVAL           1000000 /* us */
  38 #define HNS3_INVALID_PVID               0xFFFF
  39
  40 #define HNS3_FILTER_TYPE_VF             0
  41 #define HNS3_FILTER_TYPE_PORT           1
  42 #define HNS3_FILTER_FE_EGRESS_V1_B      BIT(0)
  43 #define HNS3_FILTER_FE_NIC_INGRESS_B    BIT(0)
  44 #define HNS3_FILTER_FE_NIC_EGRESS_B     BIT(1)
  45 #define HNS3_FILTER_FE_ROCE_INGRESS_B   BIT(2)
  46 #define HNS3_FILTER_FE_ROCE_EGRESS_B    BIT(3)
  47 #define HNS3_FILTER_FE_EGRESS           (HNS3_FILTER_FE_NIC_EGRESS_B \
  48                                         | HNS3_FILTER_FE_ROCE_EGRESS_B)
  49 #define HNS3_FILTER_FE_INGRESS          (HNS3_FILTER_FE_NIC_INGRESS_B \
  50                                         | HNS3_FILTER_FE_ROCE_INGRESS_B)
  51
  52 /* Reset related Registers */
  53 #define HNS3_GLOBAL_RESET_BIT           0
  54 #define HNS3_CORE_RESET_BIT             1
  55 #define HNS3_IMP_RESET_BIT              2
  56 #define HNS3_FUN_RST_ING_B              0
  57
  58 #define HNS3_VECTOR0_IMP_RESET_INT_B    1
  59 #define HNS3_VECTOR0_IMP_CMDQ_ERR_B     4U
  60 #define HNS3_VECTOR0_IMP_RD_POISON_B    5U
  61 #define HNS3_VECTOR0_ALL_MSIX_ERR_B     6U
  62
  63 #define HNS3_RESET_WAIT_MS      100
  64 #define HNS3_RESET_WAIT_CNT     200
  65
  66 enum hns3_evt_cause {
  67         HNS3_VECTOR0_EVENT_RST,
  68         HNS3_VECTOR0_EVENT_MBX,
  69         HNS3_VECTOR0_EVENT_ERR,
  70         HNS3_VECTOR0_EVENT_OTHER,
  71 };
  72
  73 static enum hns3_reset_level hns3_get_reset_level(struct hns3_adapter *hns,
  74                                                  uint64_t *levels);
  75 static int hns3_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
  76 static int hns3_vlan_pvid_configure(struct hns3_adapter *hns, uint16_t pvid,
  77                                     int on);
  78 static int hns3_update_speed_duplex(struct rte_eth_dev *eth_dev);
  79
  80 static int hns3_add_mc_addr(struct hns3_hw *hw,
  81                             struct rte_ether_addr *mac_addr);
  82 static int hns3_remove_mc_addr(struct hns3_hw *hw,
  83                             struct rte_ether_addr *mac_addr);
  84
  85 static void
  86 hns3_pf_disable_irq0(struct hns3_hw *hw)
  87 {
  88         hns3_write_dev(hw, HNS3_MISC_VECTOR_REG_BASE, 0);
  89 }
  90
  91 static void
  92 hns3_pf_enable_irq0(struct hns3_hw *hw)
  93 {
  94         hns3_write_dev(hw, HNS3_MISC_VECTOR_REG_BASE, 1);
  95 }
  96
  97 static enum hns3_evt_cause
  98 hns3_check_event_cause(struct hns3_adapter *hns, uint32_t *clearval)
  99 {
 100         struct hns3_hw *hw = &hns->hw;
 101         uint32_t vector0_int_stats;
 102         uint32_t cmdq_src_val;
 103         uint32_t hw_err_src_reg;
 104         uint32_t val;
 105         enum hns3_evt_cause ret;
 106
 107         /* fetch the events from their corresponding regs */
 108         vector0_int_stats = hns3_read_dev(hw, HNS3_VECTOR0_OTHER_INT_STS_REG);
 109         cmdq_src_val = hns3_read_dev(hw, HNS3_VECTOR0_CMDQ_SRC_REG);
 110         hw_err_src_reg = hns3_read_dev(hw, HNS3_RAS_PF_OTHER_INT_STS_REG);
 111
 112         /*
 113          * Assumption: If by any chance reset and mailbox events are reported
 114          * together then we will only process reset event and defer the
 115          * processing of the mailbox events. Since, we would have not cleared
 116          * RX CMDQ event this time we would receive again another interrupt
 117          * from H/W just for the mailbox.
 118          */
 119         if (BIT(HNS3_VECTOR0_IMPRESET_INT_B) & vector0_int_stats) { /* IMP */
 120                 rte_atomic16_set(&hw->reset.disable_cmd, 1);
 121                 hns3_atomic_set_bit(HNS3_IMP_RESET, &hw->reset.pending);
 122                 val = BIT(HNS3_VECTOR0_IMPRESET_INT_B);
 123                 if (clearval) {
 124                         hw->reset.stats.imp_cnt++;
 125                         hns3_warn(hw, "IMP reset detected, clear reset status");
 126                 } else {
 127                         hns3_schedule_delayed_reset(hns);
 128                         hns3_warn(hw, "IMP reset detected, don't clear reset status");
 129                 }
 130
 131                 ret = HNS3_VECTOR0_EVENT_RST;
 132                 goto out;
 133         }
 134
 135         /* Global reset */
 136         if (BIT(HNS3_VECTOR0_GLOBALRESET_INT_B) & vector0_int_stats) {
 137                 rte_atomic16_set(&hw->reset.disable_cmd, 1);
 138                 hns3_atomic_set_bit(HNS3_GLOBAL_RESET, &hw->reset.pending);
 139                 val = BIT(HNS3_VECTOR0_GLOBALRESET_INT_B);
 140                 if (clearval) {
 141                         hw->reset.stats.global_cnt++;
 142                         hns3_warn(hw, "Global reset detected, clear reset status");
 143                 } else {
 144                         hns3_schedule_delayed_reset(hns);
 145                         hns3_warn(hw, "Global reset detected, don't clear reset status");
 146                 }
 147
 148                 ret = HNS3_VECTOR0_EVENT_RST;
 149                 goto out;
 150         }
 151
 152         /* check for vector0 msix event source */
 153         if (vector0_int_stats & HNS3_VECTOR0_REG_MSIX_MASK ||
 154             hw_err_src_reg & HNS3_RAS_REG_NFE_MASK) {
 155                 val = vector0_int_stats | hw_err_src_reg;
 156                 ret = HNS3_VECTOR0_EVENT_ERR;
 157                 goto out;
 158         }
 159
 160         /* check for vector0 mailbox(=CMDQ RX) event source */
 161         if (BIT(HNS3_VECTOR0_RX_CMDQ_INT_B) & cmdq_src_val) {
 162                 cmdq_src_val &= ~BIT(HNS3_VECTOR0_RX_CMDQ_INT_B);
 163                 val = cmdq_src_val;
 164                 ret = HNS3_VECTOR0_EVENT_MBX;
 165                 goto out;
 166         }
 167
 168         if (clearval && (vector0_int_stats || cmdq_src_val || hw_err_src_reg))
 169                 hns3_warn(hw, "vector0_int_stats:0x%x cmdq_src_val:0x%x hw_err_src_reg:0x%x",
 170                           vector0_int_stats, cmdq_src_val, hw_err_src_reg);
 171         val = vector0_int_stats;
 172         ret = HNS3_VECTOR0_EVENT_OTHER;
 173 out:
 174
 175         if (clearval)
 176                 *clearval = val;
 177         return ret;
 178 }
 179
 180 static void
 181 hns3_clear_event_cause(struct hns3_hw *hw, uint32_t event_type, uint32_t regclr)
 182 {
 183         if (event_type == HNS3_VECTOR0_EVENT_RST)
 184                 hns3_write_dev(hw, HNS3_MISC_RESET_STS_REG, regclr);
 185         else if (event_type == HNS3_VECTOR0_EVENT_MBX)
 186                 hns3_write_dev(hw, HNS3_VECTOR0_CMDQ_SRC_REG, regclr);
 187 }
 188
 189 static void
 190 hns3_clear_all_event_cause(struct hns3_hw *hw)
 191 {
 192         uint32_t vector0_int_stats;
 193         vector0_int_stats = hns3_read_dev(hw, HNS3_VECTOR0_OTHER_INT_STS_REG);
 194
 195         if (BIT(HNS3_VECTOR0_IMPRESET_INT_B) & vector0_int_stats)
 196                 hns3_warn(hw, "Probe during IMP reset interrupt");
 197
 198         if (BIT(HNS3_VECTOR0_GLOBALRESET_INT_B) & vector0_int_stats)
 199                 hns3_warn(hw, "Probe during Global reset interrupt");
 200
 201         hns3_clear_event_cause(hw, HNS3_VECTOR0_EVENT_RST,
 202                                BIT(HNS3_VECTOR0_IMPRESET_INT_B) |
 203                                BIT(HNS3_VECTOR0_GLOBALRESET_INT_B) |
 204                                BIT(HNS3_VECTOR0_CORERESET_INT_B));
 205         hns3_clear_event_cause(hw, HNS3_VECTOR0_EVENT_MBX, 0);
 206 }
 207
 208 static void
 209 hns3_interrupt_handler(void *param)
 210 {
 211         struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
 212         struct hns3_adapter *hns = dev->data->dev_private;
 213         struct hns3_hw *hw = &hns->hw;
 214         enum hns3_evt_cause event_cause;
 215         uint32_t clearval = 0;
 216
 217         /* Disable interrupt */
 218         hns3_pf_disable_irq0(hw);
 219
 220         event_cause = hns3_check_event_cause(hns, &clearval);
 221
 222         /* vector 0 interrupt is shared with reset and mailbox source events. */
 223         if (event_cause == HNS3_VECTOR0_EVENT_ERR) {
 224                 hns3_warn(hw, "Received err interrupt");
 225                 hns3_handle_msix_error(hns, &hw->reset.request);
 226                 hns3_handle_ras_error(hns, &hw->reset.request);
 227                 hns3_schedule_reset(hns);
 228         } else if (event_cause == HNS3_VECTOR0_EVENT_RST) {
 229                 hns3_warn(hw, "Received reset interrupt");
 230                 hns3_schedule_reset(hns);
 231         } else if (event_cause == HNS3_VECTOR0_EVENT_MBX)
 232                 hns3_dev_handle_mbx_msg(hw);
 233         else
 234                 hns3_err(hw, "Received unknown event");
 235
 236         hns3_clear_event_cause(hw, event_cause, clearval);
 237         /* Enable interrupt if it is not cause by reset */
 238         hns3_pf_enable_irq0(hw);
 239 }
 240
 241 static int
 242 hns3_set_port_vlan_filter(struct hns3_adapter *hns, uint16_t vlan_id, int on)
 243 {
 244 #define HNS3_VLAN_ID_OFFSET_STEP        160
 245 #define HNS3_VLAN_BYTE_SIZE             8
 246         struct hns3_vlan_filter_pf_cfg_cmd *req;
 247         struct hns3_hw *hw = &hns->hw;
 248         uint8_t vlan_offset_byte_val;
 249         struct hns3_cmd_desc desc;
 250         uint8_t vlan_offset_byte;
 251         uint8_t vlan_offset_base;
 252         int ret;
 253
 254         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_VLAN_FILTER_PF_CFG, false);
 255
 256         vlan_offset_base = vlan_id / HNS3_VLAN_ID_OFFSET_STEP;
 257         vlan_offset_byte = (vlan_id % HNS3_VLAN_ID_OFFSET_STEP) /
 258                            HNS3_VLAN_BYTE_SIZE;
 259         vlan_offset_byte_val = 1 << (vlan_id % HNS3_VLAN_BYTE_SIZE);
 260
 261         req = (struct hns3_vlan_filter_pf_cfg_cmd *)desc.data;
 262         req->vlan_offset = vlan_offset_base;
 263         req->vlan_cfg = on ? 0 : 1;
 264         req->vlan_offset_bitmap[vlan_offset_byte] = vlan_offset_byte_val;
 265
 266         ret = hns3_cmd_send(hw, &desc, 1);
 267         if (ret)
 268                 hns3_err(hw, "set port vlan id failed, vlan_id =%u, ret =%d",
 269                          vlan_id, ret);
 270
 271         return ret;
 272 }
 273
 274 static void
 275 hns3_rm_dev_vlan_table(struct hns3_adapter *hns, uint16_t vlan_id)
 276 {
 277         struct hns3_user_vlan_table *vlan_entry;
 278         struct hns3_pf *pf = &hns->pf;
 279
 280         LIST_FOREACH(vlan_entry, &pf->vlan_list, next) {
 281                 if (vlan_entry->vlan_id == vlan_id) {
 282                         if (vlan_entry->hd_tbl_status)
 283                                 hns3_set_port_vlan_filter(hns, vlan_id, 0);
 284                         LIST_REMOVE(vlan_entry, next);
 285                         rte_free(vlan_entry);
 286                         break;
 287                 }
 288         }
 289 }
 290
 291 static void
 292 hns3_add_dev_vlan_table(struct hns3_adapter *hns, uint16_t vlan_id,
 293                         bool writen_to_tbl)
 294 {
 295         struct hns3_user_vlan_table *vlan_entry;
 296         struct hns3_hw *hw = &hns->hw;
 297         struct hns3_pf *pf = &hns->pf;
 298
 299         LIST_FOREACH(vlan_entry, &pf->vlan_list, next) {
 300                 if (vlan_entry->vlan_id == vlan_id)
 301                         return;
 302         }
 303
 304         vlan_entry = rte_zmalloc("hns3_vlan_tbl", sizeof(*vlan_entry), 0);
 305         if (vlan_entry == NULL) {
 306                 hns3_err(hw, "Failed to malloc hns3 vlan table");
 307                 return;
 308         }
 309
 310         vlan_entry->hd_tbl_status = writen_to_tbl;
 311         vlan_entry->vlan_id = vlan_id;
 312
 313         LIST_INSERT_HEAD(&pf->vlan_list, vlan_entry, next);
 314 }
 315
 316 static int
 317 hns3_restore_vlan_table(struct hns3_adapter *hns)
 318 {
 319         struct hns3_user_vlan_table *vlan_entry;
 320         struct hns3_hw *hw = &hns->hw;
 321         struct hns3_pf *pf = &hns->pf;
 322         uint16_t vlan_id;
 323         int ret = 0;
 324
 325         if (hw->port_base_vlan_cfg.state == HNS3_PORT_BASE_VLAN_ENABLE)
 326                 return hns3_vlan_pvid_configure(hns,
 327                                                 hw->port_base_vlan_cfg.pvid, 1);
 328
 329         LIST_FOREACH(vlan_entry, &pf->vlan_list, next) {
 330                 if (vlan_entry->hd_tbl_status) {
 331                         vlan_id = vlan_entry->vlan_id;
 332                         ret = hns3_set_port_vlan_filter(hns, vlan_id, 1);
 333                         if (ret)
 334                                 break;
 335                 }
 336         }
 337
 338         return ret;
 339 }
 340
 341 static int
 342 hns3_vlan_filter_configure(struct hns3_adapter *hns, uint16_t vlan_id, int on)
 343 {
 344         struct hns3_hw *hw = &hns->hw;
 345         bool writen_to_tbl = false;
 346         int ret = 0;
 347
 348         /*
 349          * When vlan filter is enabled, hardware regards packets without vlan
 350          * as packets with vlan 0. So, to receive packets without vlan, vlan id
 351          * 0 is not allowed to be removed by rte_eth_dev_vlan_filter.
 352          */
 353         if (on == 0 && vlan_id == 0)
 354                 return 0;
 355
 356         /*
 357          * When port base vlan enabled, we use port base vlan as the vlan
 358          * filter condition. In this case, we don't update vlan filter table
 359          * when user add new vlan or remove exist vlan, just update the
 360          * vlan list. The vlan id in vlan list will be writen in vlan filter
 361          * table until port base vlan disabled
 362          */
 363         if (hw->port_base_vlan_cfg.state == HNS3_PORT_BASE_VLAN_DISABLE) {
 364                 ret = hns3_set_port_vlan_filter(hns, vlan_id, on);
 365                 writen_to_tbl = true;
 366         }
 367
 368         if (ret == 0) {
 369                 if (on)
 370                         hns3_add_dev_vlan_table(hns, vlan_id, writen_to_tbl);
 371                 else
 372                         hns3_rm_dev_vlan_table(hns, vlan_id);
 373         }
 374         return ret;
 375 }
 376
 377 static int
 378 hns3_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
 379 {
 380         struct hns3_adapter *hns = dev->data->dev_private;
 381         struct hns3_hw *hw = &hns->hw;
 382         int ret;
 383
 384         rte_spinlock_lock(&hw->lock);
 385         ret = hns3_vlan_filter_configure(hns, vlan_id, on);
 386         rte_spinlock_unlock(&hw->lock);
 387         return ret;
 388 }
 389
 390 static int
 391 hns3_vlan_tpid_configure(struct hns3_adapter *hns, enum rte_vlan_type vlan_type,
 392                          uint16_t tpid)
 393 {
 394         struct hns3_rx_vlan_type_cfg_cmd *rx_req;
 395         struct hns3_tx_vlan_type_cfg_cmd *tx_req;
 396         struct hns3_hw *hw = &hns->hw;
 397         struct hns3_cmd_desc desc;
 398         int ret;
 399
 400         if ((vlan_type != ETH_VLAN_TYPE_INNER &&
 401              vlan_type != ETH_VLAN_TYPE_OUTER)) {
 402                 hns3_err(hw, "Unsupported vlan type, vlan_type =%d", vlan_type);
 403                 return -EINVAL;
 404         }
 405
 406         if (tpid != RTE_ETHER_TYPE_VLAN) {
 407                 hns3_err(hw, "Unsupported vlan tpid, vlan_type =%d", vlan_type);
 408                 return -EINVAL;
 409         }
 410
 411         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_MAC_VLAN_TYPE_ID, false);
 412         rx_req = (struct hns3_rx_vlan_type_cfg_cmd *)desc.data;
 413
 414         if (vlan_type == ETH_VLAN_TYPE_OUTER) {
 415                 rx_req->ot_fst_vlan_type = rte_cpu_to_le_16(tpid);
 416                 rx_req->ot_sec_vlan_type = rte_cpu_to_le_16(tpid);
 417         } else if (vlan_type == ETH_VLAN_TYPE_INNER) {
 418                 rx_req->ot_fst_vlan_type = rte_cpu_to_le_16(tpid);
 419                 rx_req->ot_sec_vlan_type = rte_cpu_to_le_16(tpid);
 420                 rx_req->in_fst_vlan_type = rte_cpu_to_le_16(tpid);
 421                 rx_req->in_sec_vlan_type = rte_cpu_to_le_16(tpid);
 422         }
 423
 424         ret = hns3_cmd_send(hw, &desc, 1);
 425         if (ret) {
 426                 hns3_err(hw, "Send rxvlan protocol type command fail, ret =%d",
 427                          ret);
 428                 return ret;
 429         }
 430
 431         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_MAC_VLAN_INSERT, false);
 432
 433         tx_req = (struct hns3_tx_vlan_type_cfg_cmd *)desc.data;
 434         tx_req->ot_vlan_type = rte_cpu_to_le_16(tpid);
 435         tx_req->in_vlan_type = rte_cpu_to_le_16(tpid);
 436
 437         ret = hns3_cmd_send(hw, &desc, 1);
 438         if (ret)
 439                 hns3_err(hw, "Send txvlan protocol type command fail, ret =%d",
 440                          ret);
 441         return ret;
 442 }
 443
 444 static int
 445 hns3_vlan_tpid_set(struct rte_eth_dev *dev, enum rte_vlan_type vlan_type,
 446                    uint16_t tpid)
 447 {
 448         struct hns3_adapter *hns = dev->data->dev_private;
 449         struct hns3_hw *hw = &hns->hw;
 450         int ret;
 451
 452         rte_spinlock_lock(&hw->lock);
 453         ret = hns3_vlan_tpid_configure(hns, vlan_type, tpid);
 454         rte_spinlock_unlock(&hw->lock);
 455         return ret;
 456 }
 457
 458 static int
 459 hns3_set_vlan_rx_offload_cfg(struct hns3_adapter *hns,
 460                              struct hns3_rx_vtag_cfg *vcfg)
 461 {
 462         struct hns3_vport_vtag_rx_cfg_cmd *req;
 463         struct hns3_hw *hw = &hns->hw;
 464         struct hns3_cmd_desc desc;
 465         uint16_t vport_id;
 466         uint8_t bitmap;
 467         int ret;
 468
 469         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_VLAN_PORT_RX_CFG, false);
 470
 471         req = (struct hns3_vport_vtag_rx_cfg_cmd *)desc.data;
 472         hns3_set_bit(req->vport_vlan_cfg, HNS3_REM_TAG1_EN_B,
 473                      vcfg->strip_tag1_en ? 1 : 0);
 474         hns3_set_bit(req->vport_vlan_cfg, HNS3_REM_TAG2_EN_B,
 475                      vcfg->strip_tag2_en ? 1 : 0);
 476         hns3_set_bit(req->vport_vlan_cfg, HNS3_SHOW_TAG1_EN_B,
 477                      vcfg->vlan1_vlan_prionly ? 1 : 0);
 478         hns3_set_bit(req->vport_vlan_cfg, HNS3_SHOW_TAG2_EN_B,
 479                      vcfg->vlan2_vlan_prionly ? 1 : 0);
 480
 481         /* firmwall will ignore this configuration for PCI_REVISION_ID_HIP08 */
 482         hns3_set_bit(req->vport_vlan_cfg, HNS3_DISCARD_TAG1_EN_B,
 483                      vcfg->strip_tag1_discard_en ? 1 : 0);
 484         hns3_set_bit(req->vport_vlan_cfg, HNS3_DISCARD_TAG2_EN_B,
 485                      vcfg->strip_tag2_discard_en ? 1 : 0);
 486         /*
 487          * In current version VF is not supported when PF is driven by DPDK
 488          * driver, just need to configure parameters for PF vport.
 489          */
 490         vport_id = HNS3_PF_FUNC_ID;
 491         req->vf_offset = vport_id / HNS3_VF_NUM_PER_CMD;
 492         bitmap = 1 << (vport_id % HNS3_VF_NUM_PER_BYTE);
 493         req->vf_bitmap[req->vf_offset] = bitmap;
 494
 495         ret = hns3_cmd_send(hw, &desc, 1);
 496         if (ret)
 497                 hns3_err(hw, "Send port rxvlan cfg command fail, ret =%d", ret);
 498         return ret;
 499 }
 500
 501 static void
 502 hns3_update_rx_offload_cfg(struct hns3_adapter *hns,
 503                            struct hns3_rx_vtag_cfg *vcfg)
 504 {
 505         struct hns3_pf *pf = &hns->pf;
 506         memcpy(&pf->vtag_config.rx_vcfg, vcfg, sizeof(pf->vtag_config.rx_vcfg));
 507 }
 508
 509 static void
 510 hns3_update_tx_offload_cfg(struct hns3_adapter *hns,
 511                            struct hns3_tx_vtag_cfg *vcfg)
 512 {
 513         struct hns3_pf *pf = &hns->pf;
 514         memcpy(&pf->vtag_config.tx_vcfg, vcfg, sizeof(pf->vtag_config.tx_vcfg));
 515 }
 516
 517 static int
 518 hns3_en_hw_strip_rxvtag(struct hns3_adapter *hns, bool enable)
 519 {
 520         struct hns3_rx_vtag_cfg rxvlan_cfg;
 521         struct hns3_hw *hw = &hns->hw;
 522         int ret;
 523
 524         if (hw->port_base_vlan_cfg.state == HNS3_PORT_BASE_VLAN_DISABLE) {
 525                 rxvlan_cfg.strip_tag1_en = false;
 526                 rxvlan_cfg.strip_tag2_en = enable;
 527                 rxvlan_cfg.strip_tag2_discard_en = false;
 528         } else {
 529                 rxvlan_cfg.strip_tag1_en = enable;
 530                 rxvlan_cfg.strip_tag2_en = true;
 531                 rxvlan_cfg.strip_tag2_discard_en = true;
 532         }
 533
 534         rxvlan_cfg.strip_tag1_discard_en = false;
 535         rxvlan_cfg.vlan1_vlan_prionly = false;
 536         rxvlan_cfg.vlan2_vlan_prionly = false;
 537         rxvlan_cfg.rx_vlan_offload_en = enable;
 538
 539         ret = hns3_set_vlan_rx_offload_cfg(hns, &rxvlan_cfg);
 540         if (ret) {
 541                 hns3_err(hw, "enable strip rx vtag failed, ret =%d", ret);
 542                 return ret;
 543         }
 544
 545         hns3_update_rx_offload_cfg(hns, &rxvlan_cfg);
 546
 547         return ret;
 548 }
 549
 550 static int
 551 hns3_set_vlan_filter_ctrl(struct hns3_hw *hw, uint8_t vlan_type,
 552                           uint8_t fe_type, bool filter_en, uint8_t vf_id)
 553 {
 554         struct hns3_vlan_filter_ctrl_cmd *req;
 555         struct hns3_cmd_desc desc;
 556         int ret;
 557
 558         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_VLAN_FILTER_CTRL, false);
 559
 560         req = (struct hns3_vlan_filter_ctrl_cmd *)desc.data;
 561         req->vlan_type = vlan_type;
 562         req->vlan_fe = filter_en ? fe_type : 0;
 563         req->vf_id = vf_id;
 564
 565         ret = hns3_cmd_send(hw, &desc, 1);
 566         if (ret)
 567                 hns3_err(hw, "set vlan filter fail, ret =%d", ret);
 568
 569         return ret;
 570 }
 571
 572 static int
 573 hns3_vlan_filter_init(struct hns3_adapter *hns)
 574 {
 575         struct hns3_hw *hw = &hns->hw;
 576         int ret;
 577
 578         ret = hns3_set_vlan_filter_ctrl(hw, HNS3_FILTER_TYPE_VF,
 579                                         HNS3_FILTER_FE_EGRESS, false,
 580                                         HNS3_PF_FUNC_ID);
 581         if (ret) {
 582                 hns3_err(hw, "failed to init vf vlan filter, ret = %d", ret);
 583                 return ret;
 584         }
 585
 586         ret = hns3_set_vlan_filter_ctrl(hw, HNS3_FILTER_TYPE_PORT,
 587                                         HNS3_FILTER_FE_INGRESS, false,
 588                                         HNS3_PF_FUNC_ID);
 589         if (ret)
 590                 hns3_err(hw, "failed to init port vlan filter, ret = %d", ret);
 591
 592         return ret;
 593 }
 594
 595 static int
 596 hns3_enable_vlan_filter(struct hns3_adapter *hns, bool enable)
 597 {
 598         struct hns3_hw *hw = &hns->hw;
 599         int ret;
 600
 601         ret = hns3_set_vlan_filter_ctrl(hw, HNS3_FILTER_TYPE_PORT,
 602                                         HNS3_FILTER_FE_INGRESS, enable,
 603                                         HNS3_PF_FUNC_ID);
 604         if (ret)
 605                 hns3_err(hw, "failed to %s port vlan filter, ret = %d",
 606                          enable ? "enable" : "disable", ret);
 607
 608         return ret;
 609 }
 610
 611 static int
 612 hns3_vlan_offload_set(struct rte_eth_dev *dev, int mask)
 613 {
 614         struct hns3_adapter *hns = dev->data->dev_private;
 615         struct hns3_hw *hw = &hns->hw;
 616         struct rte_eth_rxmode *rxmode;
 617         unsigned int tmp_mask;
 618         bool enable;
 619         int ret = 0;
 620
 621         rte_spinlock_lock(&hw->lock);
 622         rxmode = &dev->data->dev_conf.rxmode;
 623         tmp_mask = (unsigned int)mask;
 624         if (tmp_mask & ETH_VLAN_FILTER_MASK) {
 625                 /* ignore vlan filter configuration during promiscuous mode */
 626                 if (!dev->data->promiscuous) {
 627                         /* Enable or disable VLAN filter */
 628                         enable = rxmode->offloads & DEV_RX_OFFLOAD_VLAN_FILTER ?
 629                                  true : false;
 630
 631                         ret = hns3_enable_vlan_filter(hns, enable);
 632                         if (ret) {
 633                                 rte_spinlock_unlock(&hw->lock);
 634                                 hns3_err(hw, "failed to %s rx filter, ret = %d",
 635                                          enable ? "enable" : "disable", ret);
 636                                 return ret;
 637                         }
 638                 }
 639         }
 640
 641         if (tmp_mask & ETH_VLAN_STRIP_MASK) {
 642                 /* Enable or disable VLAN stripping */
 643                 enable = rxmode->offloads & DEV_RX_OFFLOAD_VLAN_STRIP ?
 644                     true : false;
 645
 646                 ret = hns3_en_hw_strip_rxvtag(hns, enable);
 647                 if (ret) {
 648                         rte_spinlock_unlock(&hw->lock);
 649                         hns3_err(hw, "failed to %s rx strip, ret = %d",
 650                                  enable ? "enable" : "disable", ret);
 651                         return ret;
 652                 }
 653         }
 654
 655         rte_spinlock_unlock(&hw->lock);
 656
 657         return ret;
 658 }
 659
 660 static int
 661 hns3_set_vlan_tx_offload_cfg(struct hns3_adapter *hns,
 662                              struct hns3_tx_vtag_cfg *vcfg)
 663 {
 664         struct hns3_vport_vtag_tx_cfg_cmd *req;
 665         struct hns3_cmd_desc desc;
 666         struct hns3_hw *hw = &hns->hw;
 667         uint16_t vport_id;
 668         uint8_t bitmap;
 669         int ret;
 670
 671         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_VLAN_PORT_TX_CFG, false);
 672
 673         req = (struct hns3_vport_vtag_tx_cfg_cmd *)desc.data;
 674         req->def_vlan_tag1 = vcfg->default_tag1;
 675         req->def_vlan_tag2 = vcfg->default_tag2;
 676         hns3_set_bit(req->vport_vlan_cfg, HNS3_ACCEPT_TAG1_B,
 677                      vcfg->accept_tag1 ? 1 : 0);
 678         hns3_set_bit(req->vport_vlan_cfg, HNS3_ACCEPT_UNTAG1_B,
 679                      vcfg->accept_untag1 ? 1 : 0);
 680         hns3_set_bit(req->vport_vlan_cfg, HNS3_ACCEPT_TAG2_B,
 681                      vcfg->accept_tag2 ? 1 : 0);
 682         hns3_set_bit(req->vport_vlan_cfg, HNS3_ACCEPT_UNTAG2_B,
 683                      vcfg->accept_untag2 ? 1 : 0);
 684         hns3_set_bit(req->vport_vlan_cfg, HNS3_PORT_INS_TAG1_EN_B,
 685                      vcfg->insert_tag1_en ? 1 : 0);
 686         hns3_set_bit(req->vport_vlan_cfg, HNS3_PORT_INS_TAG2_EN_B,
 687                      vcfg->insert_tag2_en ? 1 : 0);
 688         hns3_set_bit(req->vport_vlan_cfg, HNS3_CFG_NIC_ROCE_SEL_B, 0);
 689
 690         /* firmwall will ignore this configuration for PCI_REVISION_ID_HIP08 */
 691         hns3_set_bit(req->vport_vlan_cfg, HNS3_TAG_SHIFT_MODE_EN_B,
 692                      vcfg->tag_shift_mode_en ? 1 : 0);
 693
 694         /*
 695          * In current version VF is not supported when PF is driven by DPDK
 696          * driver, just need to configure parameters for PF vport.
 697          */
 698         vport_id = HNS3_PF_FUNC_ID;
 699         req->vf_offset = vport_id / HNS3_VF_NUM_PER_CMD;
 700         bitmap = 1 << (vport_id % HNS3_VF_NUM_PER_BYTE);
 701         req->vf_bitmap[req->vf_offset] = bitmap;
 702
 703         ret = hns3_cmd_send(hw, &desc, 1);
 704         if (ret)
 705                 hns3_err(hw, "Send port txvlan cfg command fail, ret =%d", ret);
 706
 707         return ret;
 708 }
 709
 710 static int
 711 hns3_vlan_txvlan_cfg(struct hns3_adapter *hns, uint16_t port_base_vlan_state,
 712                      uint16_t pvid)
 713 {
 714         struct hns3_hw *hw = &hns->hw;
 715         struct hns3_tx_vtag_cfg txvlan_cfg;
 716         int ret;
 717
 718         if (port_base_vlan_state == HNS3_PORT_BASE_VLAN_DISABLE) {
 719                 txvlan_cfg.accept_tag1 = true;
 720                 txvlan_cfg.insert_tag1_en = false;
 721                 txvlan_cfg.default_tag1 = 0;
 722         } else {
 723                 txvlan_cfg.accept_tag1 =
 724                         hw->vlan_mode == HNS3_HW_SHIFT_AND_DISCARD_MODE;
 725                 txvlan_cfg.insert_tag1_en = true;
 726                 txvlan_cfg.default_tag1 = pvid;
 727         }
 728
 729         txvlan_cfg.accept_untag1 = true;
 730         txvlan_cfg.accept_tag2 = true;
 731         txvlan_cfg.accept_untag2 = true;
 732         txvlan_cfg.insert_tag2_en = false;
 733         txvlan_cfg.default_tag2 = 0;
 734         txvlan_cfg.tag_shift_mode_en = true;
 735
 736         ret = hns3_set_vlan_tx_offload_cfg(hns, &txvlan_cfg);
 737         if (ret) {
 738                 hns3_err(hw, "pf vlan set pvid failed, pvid =%u ,ret =%d", pvid,
 739                          ret);
 740                 return ret;
 741         }
 742
 743         hns3_update_tx_offload_cfg(hns, &txvlan_cfg);
 744         return ret;
 745 }
 746
 747
 748 static void
 749 hns3_rm_all_vlan_table(struct hns3_adapter *hns, bool is_del_list)
 750 {
 751         struct hns3_user_vlan_table *vlan_entry;
 752         struct hns3_pf *pf = &hns->pf;
 753
 754         LIST_FOREACH(vlan_entry, &pf->vlan_list, next) {
 755                 if (vlan_entry->hd_tbl_status) {
 756                         hns3_set_port_vlan_filter(hns, vlan_entry->vlan_id, 0);
 757                         vlan_entry->hd_tbl_status = false;
 758                 }
 759         }
 760
 761         if (is_del_list) {
 762                 vlan_entry = LIST_FIRST(&pf->vlan_list);
 763                 while (vlan_entry) {
 764                         LIST_REMOVE(vlan_entry, next);
 765                         rte_free(vlan_entry);
 766                         vlan_entry = LIST_FIRST(&pf->vlan_list);
 767                 }
 768         }
 769 }
 770
 771 static void
 772 hns3_add_all_vlan_table(struct hns3_adapter *hns)
 773 {
 774         struct hns3_user_vlan_table *vlan_entry;
 775         struct hns3_pf *pf = &hns->pf;
 776
 777         LIST_FOREACH(vlan_entry, &pf->vlan_list, next) {
 778                 if (!vlan_entry->hd_tbl_status) {
 779                         hns3_set_port_vlan_filter(hns, vlan_entry->vlan_id, 1);
 780                         vlan_entry->hd_tbl_status = true;
 781                 }
 782         }
 783 }
 784
 785 static void
 786 hns3_remove_all_vlan_table(struct hns3_adapter *hns)
 787 {
 788         struct hns3_hw *hw = &hns->hw;
 789         int ret;
 790
 791         hns3_rm_all_vlan_table(hns, true);
 792         if (hw->port_base_vlan_cfg.pvid != HNS3_INVALID_PVID) {
 793                 ret = hns3_set_port_vlan_filter(hns,
 794                                                 hw->port_base_vlan_cfg.pvid, 0);
 795                 if (ret) {
 796                         hns3_err(hw, "Failed to remove all vlan table, ret =%d",
 797                                  ret);
 798                         return;
 799                 }
 800         }
 801 }
 802
 803 static int
 804 hns3_update_vlan_filter_entries(struct hns3_adapter *hns,
 805                         uint16_t port_base_vlan_state, uint16_t new_pvid)
 806 {
 807         struct hns3_hw *hw = &hns->hw;
 808         uint16_t old_pvid;
 809         int ret;
 810
 811         if (port_base_vlan_state == HNS3_PORT_BASE_VLAN_ENABLE) {
 812                 old_pvid = hw->port_base_vlan_cfg.pvid;
 813                 if (old_pvid != HNS3_INVALID_PVID) {
 814                         ret = hns3_set_port_vlan_filter(hns, old_pvid, 0);
 815                         if (ret) {
 816                                 hns3_err(hw, "failed to remove old pvid %u, "
 817                                                 "ret = %d", old_pvid, ret);
 818                                 return ret;
 819                         }
 820                 }
 821
 822                 hns3_rm_all_vlan_table(hns, false);
 823                 ret = hns3_set_port_vlan_filter(hns, new_pvid, 1);
 824                 if (ret) {
 825                         hns3_err(hw, "failed to add new pvid %u, ret = %d",
 826                                         new_pvid, ret);
 827                         return ret;
 828                 }
 829         } else {
 830                 ret = hns3_set_port_vlan_filter(hns, new_pvid, 0);
 831                 if (ret) {
 832                         hns3_err(hw, "failed to remove pvid %u, ret = %d",
 833                                         new_pvid, ret);
 834                         return ret;
 835                 }
 836
 837                 hns3_add_all_vlan_table(hns);
 838         }
 839         return 0;
 840 }
 841
 842 static int
 843 hns3_en_pvid_strip(struct hns3_adapter *hns, int on)
 844 {
 845         struct hns3_rx_vtag_cfg *old_cfg = &hns->pf.vtag_config.rx_vcfg;
 846         struct hns3_rx_vtag_cfg rx_vlan_cfg;
 847         bool rx_strip_en;
 848         int ret;
 849
 850         rx_strip_en = old_cfg->rx_vlan_offload_en;
 851         if (on) {
 852                 rx_vlan_cfg.strip_tag1_en = rx_strip_en;
 853                 rx_vlan_cfg.strip_tag2_en = true;
 854                 rx_vlan_cfg.strip_tag2_discard_en = true;
 855         } else {
 856                 rx_vlan_cfg.strip_tag1_en = false;
 857                 rx_vlan_cfg.strip_tag2_en = rx_strip_en;
 858                 rx_vlan_cfg.strip_tag2_discard_en = false;
 859         }
 860         rx_vlan_cfg.strip_tag1_discard_en = false;
 861         rx_vlan_cfg.vlan1_vlan_prionly = false;
 862         rx_vlan_cfg.vlan2_vlan_prionly = false;
 863         rx_vlan_cfg.rx_vlan_offload_en = old_cfg->rx_vlan_offload_en;
 864
 865         ret = hns3_set_vlan_rx_offload_cfg(hns, &rx_vlan_cfg);
 866         if (ret)
 867                 return ret;
 868
 869         hns3_update_rx_offload_cfg(hns, &rx_vlan_cfg);
 870         return ret;
 871 }
 872
 873 static int
 874 hns3_vlan_pvid_configure(struct hns3_adapter *hns, uint16_t pvid, int on)
 875 {
 876         struct hns3_hw *hw = &hns->hw;
 877         uint16_t port_base_vlan_state;
 878         int ret;
 879
 880         if (on == 0 && pvid != hw->port_base_vlan_cfg.pvid) {
 881                 if (hw->port_base_vlan_cfg.pvid != HNS3_INVALID_PVID)
 882                         hns3_warn(hw, "Invalid operation! As current pvid set "
 883                                   "is %u, disable pvid %u is invalid",
 884                                   hw->port_base_vlan_cfg.pvid, pvid);
 885                 return 0;
 886         }
 887
 888         port_base_vlan_state = on ? HNS3_PORT_BASE_VLAN_ENABLE :
 889                                     HNS3_PORT_BASE_VLAN_DISABLE;
 890         ret = hns3_vlan_txvlan_cfg(hns, port_base_vlan_state, pvid);
 891         if (ret) {
 892                 hns3_err(hw, "failed to config tx vlan for pvid, ret = %d",
 893                          ret);
 894                 return ret;
 895         }
 896
 897         ret = hns3_en_pvid_strip(hns, on);
 898         if (ret) {
 899                 hns3_err(hw, "failed to config rx vlan strip for pvid, "
 900                          "ret = %d", ret);
 901                 return ret;
 902         }
 903
 904         if (pvid == HNS3_INVALID_PVID)
 905                 goto out;
 906         ret = hns3_update_vlan_filter_entries(hns, port_base_vlan_state, pvid);
 907         if (ret) {
 908                 hns3_err(hw, "failed to update vlan filter entries, ret = %d",
 909                          ret);
 910                 return ret;
 911         }
 912
 913 out:
 914         hw->port_base_vlan_cfg.state = port_base_vlan_state;
 915         hw->port_base_vlan_cfg.pvid = on ? pvid : HNS3_INVALID_PVID;
 916         return ret;
 917 }
 918
 919 static int
 920 hns3_vlan_pvid_set(struct rte_eth_dev *dev, uint16_t pvid, int on)
 921 {
 922         struct hns3_adapter *hns = dev->data->dev_private;
 923         struct hns3_hw *hw = &hns->hw;
 924         bool pvid_en_state_change;
 925         uint16_t pvid_state;
 926         int ret;
 927
 928         if (pvid > RTE_ETHER_MAX_VLAN_ID) {
 929                 hns3_err(hw, "Invalid vlan_id = %u > %d", pvid,
 930                          RTE_ETHER_MAX_VLAN_ID);
 931                 return -EINVAL;
 932         }
 933
 934         /*
 935          * If PVID configuration state change, should refresh the PVID
 936          * configuration state in struct hns3_tx_queue/hns3_rx_queue.
 937          */
 938         pvid_state = hw->port_base_vlan_cfg.state;
 939         if ((on && pvid_state == HNS3_PORT_BASE_VLAN_ENABLE) ||
 940             (!on && pvid_state == HNS3_PORT_BASE_VLAN_DISABLE))
 941                 pvid_en_state_change = false;
 942         else
 943                 pvid_en_state_change = true;
 944
 945         rte_spinlock_lock(&hw->lock);
 946         ret = hns3_vlan_pvid_configure(hns, pvid, on);
 947         rte_spinlock_unlock(&hw->lock);
 948         if (ret)
 949                 return ret;
 950         /*
 951          * Only in HNS3_SW_SHIFT_AND_MODE the PVID related operation in Tx/Rx
 952          * need be processed by PMD driver.
 953          */
 954         if (pvid_en_state_change &&
 955             hw->vlan_mode == HNS3_SW_SHIFT_AND_DISCARD_MODE)
 956                 hns3_update_all_queues_pvid_proc_en(hw);
 957
 958         return 0;
 959 }
 960
 961 static int
 962 hns3_default_vlan_config(struct hns3_adapter *hns)
 963 {
 964         struct hns3_hw *hw = &hns->hw;
 965         int ret;
 966
 967         /*
 968          * When vlan filter is enabled, hardware regards packets without vlan
 969          * as packets with vlan 0. Therefore, if vlan 0 is not in the vlan
 970          * table, packets without vlan won't be received. So, add vlan 0 as
 971          * the default vlan.
 972          */
 973         ret = hns3_vlan_filter_configure(hns, 0, 1);
 974         if (ret)
 975                 hns3_err(hw, "default vlan 0 config failed, ret =%d", ret);
 976         return ret;
 977 }
 978
 979 static int
 980 hns3_init_vlan_config(struct hns3_adapter *hns)
 981 {
 982         struct hns3_hw *hw = &hns->hw;
 983         int ret;
 984
 985         /*
 986          * This function can be called in the initialization and reset process,
 987          * when in reset process, it means that hardware had been reseted
 988          * successfully and we need to restore the hardware configuration to
 989          * ensure that the hardware configuration remains unchanged before and
 990          * after reset.
 991          */
 992         if (rte_atomic16_read(&hw->reset.resetting) == 0) {
 993                 hw->port_base_vlan_cfg.state = HNS3_PORT_BASE_VLAN_DISABLE;
 994                 hw->port_base_vlan_cfg.pvid = HNS3_INVALID_PVID;
 995         }
 996
 997         ret = hns3_vlan_filter_init(hns);
 998         if (ret) {
 999                 hns3_err(hw, "vlan init fail in pf, ret =%d", ret);
1000                 return ret;
1001         }
1002
1003         ret = hns3_vlan_tpid_configure(hns, ETH_VLAN_TYPE_INNER,
1004                                        RTE_ETHER_TYPE_VLAN);
1005         if (ret) {
1006                 hns3_err(hw, "tpid set fail in pf, ret =%d", ret);
1007                 return ret;
1008         }
1009
1010         /*
1011          * When in the reinit dev stage of the reset process, the following
1012          * vlan-related configurations may differ from those at initialization,
1013          * we will restore configurations to hardware in hns3_restore_vlan_table
1014          * and hns3_restore_vlan_conf later.
1015          */
1016         if (rte_atomic16_read(&hw->reset.resetting) == 0) {
1017                 ret = hns3_vlan_pvid_configure(hns, HNS3_INVALID_PVID, 0);
1018                 if (ret) {
1019                         hns3_err(hw, "pvid set fail in pf, ret =%d", ret);
1020                         return ret;
1021                 }
1022
1023                 ret = hns3_en_hw_strip_rxvtag(hns, false);
1024                 if (ret) {
1025                         hns3_err(hw, "rx strip configure fail in pf, ret =%d",
1026                                  ret);
1027                         return ret;
1028                 }
1029         }
1030
1031         return hns3_default_vlan_config(hns);
1032 }
1033
1034 static int
1035 hns3_restore_vlan_conf(struct hns3_adapter *hns)
1036 {
1037         struct hns3_pf *pf = &hns->pf;
1038         struct hns3_hw *hw = &hns->hw;
1039         uint64_t offloads;
1040         bool enable;
1041         int ret;
1042
1043         if (!hw->data->promiscuous) {
1044                 /* restore vlan filter states */
1045                 offloads = hw->data->dev_conf.rxmode.offloads;
1046                 enable = offloads & DEV_RX_OFFLOAD_VLAN_FILTER ? true : false;
1047                 ret = hns3_enable_vlan_filter(hns, enable);
1048                 if (ret) {
1049                         hns3_err(hw, "failed to restore vlan rx filter conf, "
1050                                  "ret = %d", ret);
1051                         return ret;
1052                 }
1053         }
1054
1055         ret = hns3_set_vlan_rx_offload_cfg(hns, &pf->vtag_config.rx_vcfg);
1056         if (ret) {
1057                 hns3_err(hw, "failed to restore vlan rx conf, ret = %d", ret);
1058                 return ret;
1059         }
1060
1061         ret = hns3_set_vlan_tx_offload_cfg(hns, &pf->vtag_config.tx_vcfg);
1062         if (ret)
1063                 hns3_err(hw, "failed to restore vlan tx conf, ret = %d", ret);
1064
1065         return ret;
1066 }
1067
1068 static int
1069 hns3_dev_configure_vlan(struct rte_eth_dev *dev)
1070 {
1071         struct hns3_adapter *hns = dev->data->dev_private;
1072         struct rte_eth_dev_data *data = dev->data;
1073         struct rte_eth_txmode *txmode;
1074         struct hns3_hw *hw = &hns->hw;
1075         int mask;
1076         int ret;
1077
1078         txmode = &data->dev_conf.txmode;
1079         if (txmode->hw_vlan_reject_tagged || txmode->hw_vlan_reject_untagged)
1080                 hns3_warn(hw,
1081                           "hw_vlan_reject_tagged or hw_vlan_reject_untagged "
1082                           "configuration is not supported! Ignore these two "
1083                           "parameters: hw_vlan_reject_tagged(%d), "
1084                           "hw_vlan_reject_untagged(%d)",
1085                           txmode->hw_vlan_reject_tagged,
1086                           txmode->hw_vlan_reject_untagged);
1087
1088         /* Apply vlan offload setting */
1089         mask = ETH_VLAN_STRIP_MASK | ETH_VLAN_FILTER_MASK;
1090         ret = hns3_vlan_offload_set(dev, mask);
1091         if (ret) {
1092                 hns3_err(hw, "dev config rx vlan offload failed, ret = %d",
1093                          ret);
1094                 return ret;
1095         }
1096
1097         /*
1098          * If pvid config is not set in rte_eth_conf, driver needn't to set
1099          * VLAN pvid related configuration to hardware.
1100          */
1101         if (txmode->pvid == 0 && txmode->hw_vlan_insert_pvid == 0)
1102                 return 0;
1103
1104         /* Apply pvid setting */
1105         ret = hns3_vlan_pvid_set(dev, txmode->pvid,
1106                                  txmode->hw_vlan_insert_pvid);
1107         if (ret)
1108                 hns3_err(hw, "dev config vlan pvid(%d) failed, ret = %d",
1109                          txmode->pvid, ret);
1110
1111         return ret;
1112 }
1113
1114 static int
1115 hns3_config_tso(struct hns3_hw *hw, unsigned int tso_mss_min,
1116                 unsigned int tso_mss_max)
1117 {
1118         struct hns3_cfg_tso_status_cmd *req;
1119         struct hns3_cmd_desc desc;
1120         uint16_t tso_mss;
1121
1122         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_TSO_GENERIC_CONFIG, false);
1123
1124         req = (struct hns3_cfg_tso_status_cmd *)desc.data;
1125
1126         tso_mss = 0;
1127         hns3_set_field(tso_mss, HNS3_TSO_MSS_MIN_M, HNS3_TSO_MSS_MIN_S,
1128                        tso_mss_min);
1129         req->tso_mss_min = rte_cpu_to_le_16(tso_mss);
1130
1131         tso_mss = 0;
1132         hns3_set_field(tso_mss, HNS3_TSO_MSS_MIN_M, HNS3_TSO_MSS_MIN_S,
1133                        tso_mss_max);
1134         req->tso_mss_max = rte_cpu_to_le_16(tso_mss);
1135
1136         return hns3_cmd_send(hw, &desc, 1);
1137 }
1138
1139 static int
1140 hns3_set_umv_space(struct hns3_hw *hw, uint16_t space_size,
1141                    uint16_t *allocated_size, bool is_alloc)
1142 {
1143         struct hns3_umv_spc_alc_cmd *req;
1144         struct hns3_cmd_desc desc;
1145         int ret;
1146
1147         req = (struct hns3_umv_spc_alc_cmd *)desc.data;
1148         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_MAC_VLAN_ALLOCATE, false);
1149         hns3_set_bit(req->allocate, HNS3_UMV_SPC_ALC_B, is_alloc ? 0 : 1);
1150         req->space_size = rte_cpu_to_le_32(space_size);
1151
1152         ret = hns3_cmd_send(hw, &desc, 1);
1153         if (ret) {
1154                 PMD_INIT_LOG(ERR, "%s umv space failed for cmd_send, ret =%d",
1155                              is_alloc ? "allocate" : "free", ret);
1156                 return ret;
1157         }
1158
1159         if (is_alloc && allocated_size)
1160                 *allocated_size = rte_le_to_cpu_32(desc.data[1]);
1161
1162         return 0;
1163 }
1164
1165 static int
1166 hns3_init_umv_space(struct hns3_hw *hw)
1167 {
1168         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
1169         struct hns3_pf *pf = &hns->pf;
1170         uint16_t allocated_size = 0;
1171         int ret;
1172
1173         ret = hns3_set_umv_space(hw, pf->wanted_umv_size, &allocated_size,
1174                                  true);
1175         if (ret)
1176                 return ret;
1177
1178         if (allocated_size < pf->wanted_umv_size)
1179                 PMD_INIT_LOG(WARNING, "Alloc umv space failed, want %u, get %u",
1180                              pf->wanted_umv_size, allocated_size);
1181
1182         pf->max_umv_size = (!!allocated_size) ? allocated_size :
1183                                                 pf->wanted_umv_size;
1184         pf->used_umv_size = 0;
1185         return 0;
1186 }
1187
1188 static int
1189 hns3_uninit_umv_space(struct hns3_hw *hw)
1190 {
1191         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
1192         struct hns3_pf *pf = &hns->pf;
1193         int ret;
1194
1195         if (pf->max_umv_size == 0)
1196                 return 0;
1197
1198         ret = hns3_set_umv_space(hw, pf->max_umv_size, NULL, false);
1199         if (ret)
1200                 return ret;
1201
1202         pf->max_umv_size = 0;
1203
1204         return 0;
1205 }
1206
1207 static bool
1208 hns3_is_umv_space_full(struct hns3_hw *hw)
1209 {
1210         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
1211         struct hns3_pf *pf = &hns->pf;
1212         bool is_full;
1213
1214         is_full = (pf->used_umv_size >= pf->max_umv_size);
1215
1216         return is_full;
1217 }
1218
1219 static void
1220 hns3_update_umv_space(struct hns3_hw *hw, bool is_free)
1221 {
1222         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
1223         struct hns3_pf *pf = &hns->pf;
1224
1225         if (is_free) {
1226                 if (pf->used_umv_size > 0)
1227                         pf->used_umv_size--;
1228         } else
1229                 pf->used_umv_size++;
1230 }
1231
1232 static void
1233 hns3_prepare_mac_addr(struct hns3_mac_vlan_tbl_entry_cmd *new_req,
1234                       const uint8_t *addr, bool is_mc)
1235 {
1236         const unsigned char *mac_addr = addr;
1237         uint32_t high_val = ((uint32_t)mac_addr[3] << 24) |
1238                             ((uint32_t)mac_addr[2] << 16) |
1239                             ((uint32_t)mac_addr[1] << 8) |
1240                             (uint32_t)mac_addr[0];
1241         uint32_t low_val = ((uint32_t)mac_addr[5] << 8) | (uint32_t)mac_addr[4];
1242
1243         hns3_set_bit(new_req->flags, HNS3_MAC_VLAN_BIT0_EN_B, 1);
1244         if (is_mc) {
1245                 hns3_set_bit(new_req->entry_type, HNS3_MAC_VLAN_BIT0_EN_B, 0);
1246                 hns3_set_bit(new_req->entry_type, HNS3_MAC_VLAN_BIT1_EN_B, 1);
1247                 hns3_set_bit(new_req->mc_mac_en, HNS3_MAC_VLAN_BIT0_EN_B, 1);
1248         }
1249
1250         new_req->mac_addr_hi32 = rte_cpu_to_le_32(high_val);
1251         new_req->mac_addr_lo16 = rte_cpu_to_le_16(low_val & 0xffff);
1252 }
1253
1254 static int
1255 hns3_get_mac_vlan_cmd_status(struct hns3_hw *hw, uint16_t cmdq_resp,
1256                              uint8_t resp_code,
1257                              enum hns3_mac_vlan_tbl_opcode op)
1258 {
1259         if (cmdq_resp) {
1260                 hns3_err(hw, "cmdq execute failed for get_mac_vlan_cmd_status,status=%u",
1261                          cmdq_resp);
1262                 return -EIO;
1263         }
1264
1265         if (op == HNS3_MAC_VLAN_ADD) {
1266                 if (resp_code == 0 || resp_code == 1) {
1267                         return 0;
1268                 } else if (resp_code == HNS3_ADD_UC_OVERFLOW) {
1269                         hns3_err(hw, "add mac addr failed for uc_overflow");
1270                         return -ENOSPC;
1271                 } else if (resp_code == HNS3_ADD_MC_OVERFLOW) {
1272                         hns3_err(hw, "add mac addr failed for mc_overflow");
1273                         return -ENOSPC;
1274                 }
1275
1276                 hns3_err(hw, "add mac addr failed for undefined, code=%u",
1277                          resp_code);
1278                 return -EIO;
1279         } else if (op == HNS3_MAC_VLAN_REMOVE) {
1280                 if (resp_code == 0) {
1281                         return 0;
1282                 } else if (resp_code == 1) {
1283                         hns3_dbg(hw, "remove mac addr failed for miss");
1284                         return -ENOENT;
1285                 }
1286
1287                 hns3_err(hw, "remove mac addr failed for undefined, code=%u",
1288                          resp_code);
1289                 return -EIO;
1290         } else if (op == HNS3_MAC_VLAN_LKUP) {
1291                 if (resp_code == 0) {
1292                         return 0;
1293                 } else if (resp_code == 1) {
1294                         hns3_dbg(hw, "lookup mac addr failed for miss");
1295                         return -ENOENT;
1296                 }
1297
1298                 hns3_err(hw, "lookup mac addr failed for undefined, code=%u",
1299                          resp_code);
1300                 return -EIO;
1301         }
1302
1303         hns3_err(hw, "unknown opcode for get_mac_vlan_cmd_status, opcode=%u",
1304                  op);
1305
1306         return -EINVAL;
1307 }
1308
1309 static int
1310 hns3_lookup_mac_vlan_tbl(struct hns3_hw *hw,
1311                          struct hns3_mac_vlan_tbl_entry_cmd *req,
1312                          struct hns3_cmd_desc *desc, bool is_mc)
1313 {
1314         uint8_t resp_code;
1315         uint16_t retval;
1316         int ret;
1317
1318         hns3_cmd_setup_basic_desc(&desc[0], HNS3_OPC_MAC_VLAN_ADD, true);
1319         if (is_mc) {
1320                 desc[0].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
1321                 memcpy(desc[0].data, req,
1322                            sizeof(struct hns3_mac_vlan_tbl_entry_cmd));
1323                 hns3_cmd_setup_basic_desc(&desc[1], HNS3_OPC_MAC_VLAN_ADD,
1324                                           true);
1325                 desc[1].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
1326                 hns3_cmd_setup_basic_desc(&desc[2], HNS3_OPC_MAC_VLAN_ADD,
1327                                           true);
1328                 ret = hns3_cmd_send(hw, desc, HNS3_MC_MAC_VLAN_ADD_DESC_NUM);
1329         } else {
1330                 memcpy(desc[0].data, req,
1331                        sizeof(struct hns3_mac_vlan_tbl_entry_cmd));
1332                 ret = hns3_cmd_send(hw, desc, 1);
1333         }
1334         if (ret) {
1335                 hns3_err(hw, "lookup mac addr failed for cmd_send, ret =%d.",
1336                          ret);
1337                 return ret;
1338         }
1339         resp_code = (rte_le_to_cpu_32(desc[0].data[0]) >> 8) & 0xff;
1340         retval = rte_le_to_cpu_16(desc[0].retval);
1341
1342         return hns3_get_mac_vlan_cmd_status(hw, retval, resp_code,
1343                                             HNS3_MAC_VLAN_LKUP);
1344 }
1345
1346 static int
1347 hns3_add_mac_vlan_tbl(struct hns3_hw *hw,
1348                       struct hns3_mac_vlan_tbl_entry_cmd *req,
1349                       struct hns3_cmd_desc *mc_desc)
1350 {
1351         uint8_t resp_code;
1352         uint16_t retval;
1353         int cfg_status;
1354         int ret;
1355
1356         if (mc_desc == NULL) {
1357                 struct hns3_cmd_desc desc;
1358
1359                 hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_MAC_VLAN_ADD, false);
1360                 memcpy(desc.data, req,
1361                        sizeof(struct hns3_mac_vlan_tbl_entry_cmd));
1362                 ret = hns3_cmd_send(hw, &desc, 1);
1363                 resp_code = (rte_le_to_cpu_32(desc.data[0]) >> 8) & 0xff;
1364                 retval = rte_le_to_cpu_16(desc.retval);
1365
1366                 cfg_status = hns3_get_mac_vlan_cmd_status(hw, retval, resp_code,
1367                                                           HNS3_MAC_VLAN_ADD);
1368         } else {
1369                 hns3_cmd_reuse_desc(&mc_desc[0], false);
1370                 mc_desc[0].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
1371                 hns3_cmd_reuse_desc(&mc_desc[1], false);
1372                 mc_desc[1].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
1373                 hns3_cmd_reuse_desc(&mc_desc[2], false);
1374                 mc_desc[2].flag &= rte_cpu_to_le_16(~HNS3_CMD_FLAG_NEXT);
1375                 memcpy(mc_desc[0].data, req,
1376                        sizeof(struct hns3_mac_vlan_tbl_entry_cmd));
1377                 mc_desc[0].retval = 0;
1378                 ret = hns3_cmd_send(hw, mc_desc, HNS3_MC_MAC_VLAN_ADD_DESC_NUM);
1379                 resp_code = (rte_le_to_cpu_32(mc_desc[0].data[0]) >> 8) & 0xff;
1380                 retval = rte_le_to_cpu_16(mc_desc[0].retval);
1381
1382                 cfg_status = hns3_get_mac_vlan_cmd_status(hw, retval, resp_code,
1383                                                           HNS3_MAC_VLAN_ADD);
1384         }
1385
1386         if (ret) {
1387                 hns3_err(hw, "add mac addr failed for cmd_send, ret =%d", ret);
1388                 return ret;
1389         }
1390
1391         return cfg_status;
1392 }
1393
1394 static int
1395 hns3_remove_mac_vlan_tbl(struct hns3_hw *hw,
1396                          struct hns3_mac_vlan_tbl_entry_cmd *req)
1397 {
1398         struct hns3_cmd_desc desc;
1399         uint8_t resp_code;
1400         uint16_t retval;
1401         int ret;
1402
1403         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_MAC_VLAN_REMOVE, false);
1404
1405         memcpy(desc.data, req, sizeof(struct hns3_mac_vlan_tbl_entry_cmd));
1406
1407         ret = hns3_cmd_send(hw, &desc, 1);
1408         if (ret) {
1409                 hns3_err(hw, "del mac addr failed for cmd_send, ret =%d", ret);
1410                 return ret;
1411         }
1412         resp_code = (rte_le_to_cpu_32(desc.data[0]) >> 8) & 0xff;
1413         retval = rte_le_to_cpu_16(desc.retval);
1414
1415         return hns3_get_mac_vlan_cmd_status(hw, retval, resp_code,
1416                                             HNS3_MAC_VLAN_REMOVE);
1417 }
1418
1419 static int
1420 hns3_add_uc_addr_common(struct hns3_hw *hw, struct rte_ether_addr *mac_addr)
1421 {
1422         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
1423         struct hns3_mac_vlan_tbl_entry_cmd req;
1424         struct hns3_pf *pf = &hns->pf;
1425         struct hns3_cmd_desc desc[3];
1426         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1427         uint16_t egress_port = 0;
1428         uint8_t vf_id;
1429         int ret;
1430
1431         /* check if mac addr is valid */
1432         if (!rte_is_valid_assigned_ether_addr(mac_addr)) {
1433                 rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1434                                       mac_addr);
1435                 hns3_err(hw, "Add unicast mac addr err! addr(%s) invalid",
1436                          mac_str);
1437                 return -EINVAL;
1438         }
1439
1440         memset(&req, 0, sizeof(req));
1441
1442         /*
1443          * In current version VF is not supported when PF is driven by DPDK
1444          * driver, just need to configure parameters for PF vport.
1445          */
1446         vf_id = HNS3_PF_FUNC_ID;
1447         hns3_set_field(egress_port, HNS3_MAC_EPORT_VFID_M,
1448                        HNS3_MAC_EPORT_VFID_S, vf_id);
1449
1450         req.egress_port = rte_cpu_to_le_16(egress_port);
1451
1452         hns3_prepare_mac_addr(&req, mac_addr->addr_bytes, false);
1453
1454         /*
1455          * Lookup the mac address in the mac_vlan table, and add
1456          * it if the entry is inexistent. Repeated unicast entry
1457          * is not allowed in the mac vlan table.
1458          */
1459         ret = hns3_lookup_mac_vlan_tbl(hw, &req, desc, false);
1460         if (ret == -ENOENT) {
1461                 if (!hns3_is_umv_space_full(hw)) {
1462                         ret = hns3_add_mac_vlan_tbl(hw, &req, NULL);
1463                         if (!ret)
1464                                 hns3_update_umv_space(hw, false);
1465                         return ret;
1466                 }
1467
1468                 hns3_err(hw, "UC MAC table full(%u)", pf->used_umv_size);
1469
1470                 return -ENOSPC;
1471         }
1472
1473         rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE, mac_addr);
1474
1475         /* check if we just hit the duplicate */
1476         if (ret == 0) {
1477                 hns3_dbg(hw, "mac addr(%s) has been in the MAC table", mac_str);
1478                 return 0;
1479         }
1480
1481         hns3_err(hw, "PF failed to add unicast entry(%s) in the MAC table",
1482                  mac_str);
1483
1484         return ret;
1485 }
1486
1487 static int
1488 hns3_add_mc_addr_common(struct hns3_hw *hw, struct rte_ether_addr *mac_addr)
1489 {
1490         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1491         struct rte_ether_addr *addr;
1492         int ret;
1493         int i;
1494
1495         for (i = 0; i < hw->mc_addrs_num; i++) {
1496                 addr = &hw->mc_addrs[i];
1497                 /* Check if there are duplicate addresses */
1498                 if (rte_is_same_ether_addr(addr, mac_addr)) {
1499                         rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1500                                               addr);
1501                         hns3_err(hw, "failed to add mc mac addr, same addrs"
1502                                  "(%s) is added by the set_mc_mac_addr_list "
1503                                  "API", mac_str);
1504                         return -EINVAL;
1505                 }
1506         }
1507
1508         ret = hns3_add_mc_addr(hw, mac_addr);
1509         if (ret) {
1510                 rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1511                                       mac_addr);
1512                 hns3_err(hw, "failed to add mc mac addr(%s), ret = %d",
1513                          mac_str, ret);
1514         }
1515         return ret;
1516 }
1517
1518 static int
1519 hns3_remove_mc_addr_common(struct hns3_hw *hw, struct rte_ether_addr *mac_addr)
1520 {
1521         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1522         int ret;
1523
1524         ret = hns3_remove_mc_addr(hw, mac_addr);
1525         if (ret) {
1526                 rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1527                                       mac_addr);
1528                 hns3_err(hw, "failed to remove mc mac addr(%s), ret = %d",
1529                          mac_str, ret);
1530         }
1531         return ret;
1532 }
1533
1534 static int
1535 hns3_add_mac_addr(struct rte_eth_dev *dev, struct rte_ether_addr *mac_addr,
1536                   uint32_t idx, __rte_unused uint32_t pool)
1537 {
1538         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1539         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1540         int ret;
1541
1542         rte_spinlock_lock(&hw->lock);
1543
1544         /*
1545          * In hns3 network engine adding UC and MC mac address with different
1546          * commands with firmware. We need to determine whether the input
1547          * address is a UC or a MC address to call different commands.
1548          * By the way, it is recommended calling the API function named
1549          * rte_eth_dev_set_mc_addr_list to set the MC mac address, because
1550          * using the rte_eth_dev_mac_addr_add API function to set MC mac address
1551          * may affect the specifications of UC mac addresses.
1552          */
1553         if (rte_is_multicast_ether_addr(mac_addr))
1554                 ret = hns3_add_mc_addr_common(hw, mac_addr);
1555         else
1556                 ret = hns3_add_uc_addr_common(hw, mac_addr);
1557
1558         if (ret) {
1559                 rte_spinlock_unlock(&hw->lock);
1560                 rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1561                                       mac_addr);
1562                 hns3_err(hw, "failed to add mac addr(%s), ret = %d", mac_str,
1563                          ret);
1564                 return ret;
1565         }
1566
1567         if (idx == 0)
1568                 hw->mac.default_addr_setted = true;
1569         rte_spinlock_unlock(&hw->lock);
1570
1571         return ret;
1572 }
1573
1574 static int
1575 hns3_remove_uc_addr_common(struct hns3_hw *hw, struct rte_ether_addr *mac_addr)
1576 {
1577         struct hns3_mac_vlan_tbl_entry_cmd req;
1578         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1579         int ret;
1580
1581         /* check if mac addr is valid */
1582         if (!rte_is_valid_assigned_ether_addr(mac_addr)) {
1583                 rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1584                                       mac_addr);
1585                 hns3_err(hw, "remove unicast mac addr err! addr(%s) invalid",
1586                          mac_str);
1587                 return -EINVAL;
1588         }
1589
1590         memset(&req, 0, sizeof(req));
1591         hns3_set_bit(req.entry_type, HNS3_MAC_VLAN_BIT0_EN_B, 0);
1592         hns3_prepare_mac_addr(&req, mac_addr->addr_bytes, false);
1593         ret = hns3_remove_mac_vlan_tbl(hw, &req);
1594         if (ret == -ENOENT) /* mac addr isn't existent in the mac vlan table. */
1595                 return 0;
1596         else if (ret == 0)
1597                 hns3_update_umv_space(hw, true);
1598
1599         return ret;
1600 }
1601
1602 static void
1603 hns3_remove_mac_addr(struct rte_eth_dev *dev, uint32_t idx)
1604 {
1605         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1606         /* index will be checked by upper level rte interface */
1607         struct rte_ether_addr *mac_addr = &dev->data->mac_addrs[idx];
1608         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1609         int ret;
1610
1611         rte_spinlock_lock(&hw->lock);
1612
1613         if (rte_is_multicast_ether_addr(mac_addr))
1614                 ret = hns3_remove_mc_addr_common(hw, mac_addr);
1615         else
1616                 ret = hns3_remove_uc_addr_common(hw, mac_addr);
1617         rte_spinlock_unlock(&hw->lock);
1618         if (ret) {
1619                 rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1620                                       mac_addr);
1621                 hns3_err(hw, "failed to remove mac addr(%s), ret = %d", mac_str,
1622                          ret);
1623         }
1624 }
1625
1626 static int
1627 hns3_set_default_mac_addr(struct rte_eth_dev *dev,
1628                           struct rte_ether_addr *mac_addr)
1629 {
1630         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1631         struct rte_ether_addr *oaddr;
1632         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1633         bool default_addr_setted;
1634         bool rm_succes = false;
1635         int ret, ret_val;
1636
1637         /*
1638          * It has been guaranteed that input parameter named mac_addr is valid
1639          * address in the rte layer of DPDK framework.
1640          */
1641         oaddr = (struct rte_ether_addr *)hw->mac.mac_addr;
1642         default_addr_setted = hw->mac.default_addr_setted;
1643         if (default_addr_setted && !!rte_is_same_ether_addr(mac_addr, oaddr))
1644                 return 0;
1645
1646         rte_spinlock_lock(&hw->lock);
1647         if (default_addr_setted) {
1648                 ret = hns3_remove_uc_addr_common(hw, oaddr);
1649                 if (ret) {
1650                         rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1651                                               oaddr);
1652                         hns3_warn(hw, "Remove old uc mac address(%s) fail: %d",
1653                                   mac_str, ret);
1654                         rm_succes = false;
1655                 } else
1656                         rm_succes = true;
1657         }
1658
1659         ret = hns3_add_uc_addr_common(hw, mac_addr);
1660         if (ret) {
1661                 rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1662                                       mac_addr);
1663                 hns3_err(hw, "Failed to set mac addr(%s): %d", mac_str, ret);
1664                 goto err_add_uc_addr;
1665         }
1666
1667         ret = hns3_pause_addr_cfg(hw, mac_addr->addr_bytes);
1668         if (ret) {
1669                 hns3_err(hw, "Failed to configure mac pause address: %d", ret);
1670                 goto err_pause_addr_cfg;
1671         }
1672
1673         rte_ether_addr_copy(mac_addr,
1674                             (struct rte_ether_addr *)hw->mac.mac_addr);
1675         hw->mac.default_addr_setted = true;
1676         rte_spinlock_unlock(&hw->lock);
1677
1678         return 0;
1679
1680 err_pause_addr_cfg:
1681         ret_val = hns3_remove_uc_addr_common(hw, mac_addr);
1682         if (ret_val) {
1683                 rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1684                                       mac_addr);
1685                 hns3_warn(hw,
1686                           "Failed to roll back to del setted mac addr(%s): %d",
1687                           mac_str, ret_val);
1688         }
1689
1690 err_add_uc_addr:
1691         if (rm_succes) {
1692                 ret_val = hns3_add_uc_addr_common(hw, oaddr);
1693                 if (ret_val) {
1694                         rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1695                                               oaddr);
1696                         hns3_warn(hw,
1697                                   "Failed to restore old uc mac addr(%s): %d",
1698                                   mac_str, ret_val);
1699                         hw->mac.default_addr_setted = false;
1700                 }
1701         }
1702         rte_spinlock_unlock(&hw->lock);
1703
1704         return ret;
1705 }
1706
1707 static int
1708 hns3_configure_all_mac_addr(struct hns3_adapter *hns, bool del)
1709 {
1710         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1711         struct hns3_hw *hw = &hns->hw;
1712         struct rte_ether_addr *addr;
1713         int err = 0;
1714         int ret;
1715         int i;
1716
1717         for (i = 0; i < HNS3_UC_MACADDR_NUM; i++) {
1718                 addr = &hw->data->mac_addrs[i];
1719                 if (rte_is_zero_ether_addr(addr))
1720                         continue;
1721                 if (rte_is_multicast_ether_addr(addr))
1722                         ret = del ? hns3_remove_mc_addr(hw, addr) :
1723                               hns3_add_mc_addr(hw, addr);
1724                 else
1725                         ret = del ? hns3_remove_uc_addr_common(hw, addr) :
1726                               hns3_add_uc_addr_common(hw, addr);
1727
1728                 if (ret) {
1729                         err = ret;
1730                         rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1731                                               addr);
1732                         hns3_err(hw, "failed to %s mac addr(%s) index:%d "
1733                                  "ret = %d.", del ? "remove" : "restore",
1734                                  mac_str, i, ret);
1735                 }
1736         }
1737         return err;
1738 }
1739
1740 static void
1741 hns3_update_desc_vfid(struct hns3_cmd_desc *desc, uint8_t vfid, bool clr)
1742 {
1743 #define HNS3_VF_NUM_IN_FIRST_DESC 192
1744         uint8_t word_num;
1745         uint8_t bit_num;
1746
1747         if (vfid < HNS3_VF_NUM_IN_FIRST_DESC) {
1748                 word_num = vfid / 32;
1749                 bit_num = vfid % 32;
1750                 if (clr)
1751                         desc[1].data[word_num] &=
1752                             rte_cpu_to_le_32(~(1UL << bit_num));
1753                 else
1754                         desc[1].data[word_num] |=
1755                             rte_cpu_to_le_32(1UL << bit_num);
1756         } else {
1757                 word_num = (vfid - HNS3_VF_NUM_IN_FIRST_DESC) / 32;
1758                 bit_num = vfid % 32;
1759                 if (clr)
1760                         desc[2].data[word_num] &=
1761                             rte_cpu_to_le_32(~(1UL << bit_num));
1762                 else
1763                         desc[2].data[word_num] |=
1764                             rte_cpu_to_le_32(1UL << bit_num);
1765         }
1766 }
1767
1768 static int
1769 hns3_add_mc_addr(struct hns3_hw *hw, struct rte_ether_addr *mac_addr)
1770 {
1771         struct hns3_mac_vlan_tbl_entry_cmd req;
1772         struct hns3_cmd_desc desc[3];
1773         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1774         uint8_t vf_id;
1775         int ret;
1776
1777         /* Check if mac addr is valid */
1778         if (!rte_is_multicast_ether_addr(mac_addr)) {
1779                 rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1780                                       mac_addr);
1781                 hns3_err(hw, "failed to add mc mac addr, addr(%s) invalid",
1782                          mac_str);
1783                 return -EINVAL;
1784         }
1785
1786         memset(&req, 0, sizeof(req));
1787         hns3_set_bit(req.entry_type, HNS3_MAC_VLAN_BIT0_EN_B, 0);
1788         hns3_prepare_mac_addr(&req, mac_addr->addr_bytes, true);
1789         ret = hns3_lookup_mac_vlan_tbl(hw, &req, desc, true);
1790         if (ret) {
1791                 /* This mac addr do not exist, add new entry for it */
1792                 memset(desc[0].data, 0, sizeof(desc[0].data));
1793                 memset(desc[1].data, 0, sizeof(desc[0].data));
1794                 memset(desc[2].data, 0, sizeof(desc[0].data));
1795         }
1796
1797         /*
1798          * In current version VF is not supported when PF is driven by DPDK
1799          * driver, just need to configure parameters for PF vport.
1800          */
1801         vf_id = HNS3_PF_FUNC_ID;
1802         hns3_update_desc_vfid(desc, vf_id, false);
1803         ret = hns3_add_mac_vlan_tbl(hw, &req, desc);
1804         if (ret) {
1805                 if (ret == -ENOSPC)
1806                         hns3_err(hw, "mc mac vlan table is full");
1807                 rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1808                                       mac_addr);
1809                 hns3_err(hw, "failed to add mc mac addr(%s): %d", mac_str, ret);
1810         }
1811
1812         return ret;
1813 }
1814
1815 static int
1816 hns3_remove_mc_addr(struct hns3_hw *hw, struct rte_ether_addr *mac_addr)
1817 {
1818         struct hns3_mac_vlan_tbl_entry_cmd req;
1819         struct hns3_cmd_desc desc[3];
1820         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1821         uint8_t vf_id;
1822         int ret;
1823
1824         /* Check if mac addr is valid */
1825         if (!rte_is_multicast_ether_addr(mac_addr)) {
1826                 rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1827                                       mac_addr);
1828                 hns3_err(hw, "Failed to rm mc mac addr, addr(%s) invalid",
1829                          mac_str);
1830                 return -EINVAL;
1831         }
1832
1833         memset(&req, 0, sizeof(req));
1834         hns3_set_bit(req.entry_type, HNS3_MAC_VLAN_BIT0_EN_B, 0);
1835         hns3_prepare_mac_addr(&req, mac_addr->addr_bytes, true);
1836         ret = hns3_lookup_mac_vlan_tbl(hw, &req, desc, true);
1837         if (ret == 0) {
1838                 /*
1839                  * This mac addr exist, remove this handle's VFID for it.
1840                  * In current version VF is not supported when PF is driven by
1841                  * DPDK driver, just need to configure parameters for PF vport.
1842                  */
1843                 vf_id = HNS3_PF_FUNC_ID;
1844                 hns3_update_desc_vfid(desc, vf_id, true);
1845
1846                 /* All the vfid is zero, so need to delete this entry */
1847                 ret = hns3_remove_mac_vlan_tbl(hw, &req);
1848         } else if (ret == -ENOENT) {
1849                 /* This mac addr doesn't exist. */
1850                 return 0;
1851         }
1852
1853         if (ret) {
1854                 rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1855                                       mac_addr);
1856                 hns3_err(hw, "Failed to rm mc mac addr(%s): %d", mac_str, ret);
1857         }
1858
1859         return ret;
1860 }
1861
1862 static int
1863 hns3_set_mc_addr_chk_param(struct hns3_hw *hw,
1864                            struct rte_ether_addr *mc_addr_set,
1865                            uint32_t nb_mc_addr)
1866 {
1867         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
1868         struct rte_ether_addr *addr;
1869         uint32_t i;
1870         uint32_t j;
1871
1872         if (nb_mc_addr > HNS3_MC_MACADDR_NUM) {
1873                 hns3_err(hw, "failed to set mc mac addr, nb_mc_addr(%d) "
1874                          "invalid. valid range: 0~%d",
1875                          nb_mc_addr, HNS3_MC_MACADDR_NUM);
1876                 return -EINVAL;
1877         }
1878
1879         /* Check if input mac addresses are valid */
1880         for (i = 0; i < nb_mc_addr; i++) {
1881                 addr = &mc_addr_set[i];
1882                 if (!rte_is_multicast_ether_addr(addr)) {
1883                         rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
1884                                               addr);
1885                         hns3_err(hw,
1886                                  "failed to set mc mac addr, addr(%s) invalid.",
1887                                  mac_str);
1888                         return -EINVAL;
1889                 }
1890
1891                 /* Check if there are duplicate addresses */
1892                 for (j = i + 1; j < nb_mc_addr; j++) {
1893                         if (rte_is_same_ether_addr(addr, &mc_addr_set[j])) {
1894                                 rte_ether_format_addr(mac_str,
1895                                                       RTE_ETHER_ADDR_FMT_SIZE,
1896                                                       addr);
1897                                 hns3_err(hw, "failed to set mc mac addr, "
1898                                          "addrs invalid. two same addrs(%s).",
1899                                          mac_str);
1900                                 return -EINVAL;
1901                         }
1902                 }
1903
1904                 /*
1905                  * Check if there are duplicate addresses between mac_addrs
1906                  * and mc_addr_set
1907                  */
1908                 for (j = 0; j < HNS3_UC_MACADDR_NUM; j++) {
1909                         if (rte_is_same_ether_addr(addr,
1910                                                    &hw->data->mac_addrs[j])) {
1911                                 rte_ether_format_addr(mac_str,
1912                                                       RTE_ETHER_ADDR_FMT_SIZE,
1913                                                       addr);
1914                                 hns3_err(hw, "failed to set mc mac addr, "
1915                                          "addrs invalid. addrs(%s) has already "
1916                                          "configured in mac_addr add API",
1917                                          mac_str);
1918                                 return -EINVAL;
1919                         }
1920                 }
1921         }
1922
1923         return 0;
1924 }
1925
1926 static void
1927 hns3_set_mc_addr_calc_addr(struct hns3_hw *hw,
1928                            struct rte_ether_addr *mc_addr_set,
1929                            int mc_addr_num,
1930                            struct rte_ether_addr *reserved_addr_list,
1931                            int *reserved_addr_num,
1932                            struct rte_ether_addr *add_addr_list,
1933                            int *add_addr_num,
1934                            struct rte_ether_addr *rm_addr_list,
1935                            int *rm_addr_num)
1936 {
1937         struct rte_ether_addr *addr;
1938         int current_addr_num;
1939         int reserved_num = 0;
1940         int add_num = 0;
1941         int rm_num = 0;
1942         int num;
1943         int i;
1944         int j;
1945         bool same_addr;
1946
1947         /* Calculate the mc mac address list that should be removed */
1948         current_addr_num = hw->mc_addrs_num;
1949         for (i = 0; i < current_addr_num; i++) {
1950                 addr = &hw->mc_addrs[i];
1951                 same_addr = false;
1952                 for (j = 0; j < mc_addr_num; j++) {
1953                         if (rte_is_same_ether_addr(addr, &mc_addr_set[j])) {
1954                                 same_addr = true;
1955                                 break;
1956                         }
1957                 }
1958
1959                 if (!same_addr) {
1960                         rte_ether_addr_copy(addr, &rm_addr_list[rm_num]);
1961                         rm_num++;
1962                 } else {
1963                         rte_ether_addr_copy(addr,
1964                                             &reserved_addr_list[reserved_num]);
1965                         reserved_num++;
1966                 }
1967         }
1968
1969         /* Calculate the mc mac address list that should be added */
1970         for (i = 0; i < mc_addr_num; i++) {
1971                 addr = &mc_addr_set[i];
1972                 same_addr = false;
1973                 for (j = 0; j < current_addr_num; j++) {
1974                         if (rte_is_same_ether_addr(addr, &hw->mc_addrs[j])) {
1975                                 same_addr = true;
1976                                 break;
1977                         }
1978                 }
1979
1980                 if (!same_addr) {
1981                         rte_ether_addr_copy(addr, &add_addr_list[add_num]);
1982                         add_num++;
1983                 }
1984         }
1985
1986         /* Reorder the mc mac address list maintained by driver */
1987         for (i = 0; i < reserved_num; i++)
1988                 rte_ether_addr_copy(&reserved_addr_list[i], &hw->mc_addrs[i]);
1989
1990         for (i = 0; i < rm_num; i++) {
1991                 num = reserved_num + i;
1992                 rte_ether_addr_copy(&rm_addr_list[i], &hw->mc_addrs[num]);
1993         }
1994
1995         *reserved_addr_num = reserved_num;
1996         *add_addr_num = add_num;
1997         *rm_addr_num = rm_num;
1998 }
1999
2000 static int
2001 hns3_set_mc_mac_addr_list(struct rte_eth_dev *dev,
2002                           struct rte_ether_addr *mc_addr_set,
2003                           uint32_t nb_mc_addr)
2004 {
2005         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2006         struct rte_ether_addr reserved_addr_list[HNS3_MC_MACADDR_NUM];
2007         struct rte_ether_addr add_addr_list[HNS3_MC_MACADDR_NUM];
2008         struct rte_ether_addr rm_addr_list[HNS3_MC_MACADDR_NUM];
2009         struct rte_ether_addr *addr;
2010         int reserved_addr_num;
2011         int add_addr_num;
2012         int rm_addr_num;
2013         int mc_addr_num;
2014         int num;
2015         int ret;
2016         int i;
2017
2018         /* Check if input parameters are valid */
2019         ret = hns3_set_mc_addr_chk_param(hw, mc_addr_set, nb_mc_addr);
2020         if (ret)
2021                 return ret;
2022
2023         rte_spinlock_lock(&hw->lock);
2024
2025         /*
2026          * Calculate the mc mac address lists those should be removed and be
2027          * added, Reorder the mc mac address list maintained by driver.
2028          */
2029         mc_addr_num = (int)nb_mc_addr;
2030         hns3_set_mc_addr_calc_addr(hw, mc_addr_set, mc_addr_num,
2031                                    reserved_addr_list, &reserved_addr_num,
2032                                    add_addr_list, &add_addr_num,
2033                                    rm_addr_list, &rm_addr_num);
2034
2035         /* Remove mc mac addresses */
2036         for (i = 0; i < rm_addr_num; i++) {
2037                 num = rm_addr_num - i - 1;
2038                 addr = &rm_addr_list[num];
2039                 ret = hns3_remove_mc_addr(hw, addr);
2040                 if (ret) {
2041                         rte_spinlock_unlock(&hw->lock);
2042                         return ret;
2043                 }
2044                 hw->mc_addrs_num--;
2045         }
2046
2047         /* Add mc mac addresses */
2048         for (i = 0; i < add_addr_num; i++) {
2049                 addr = &add_addr_list[i];
2050                 ret = hns3_add_mc_addr(hw, addr);
2051                 if (ret) {
2052                         rte_spinlock_unlock(&hw->lock);
2053                         return ret;
2054                 }
2055
2056                 num = reserved_addr_num + i;
2057                 rte_ether_addr_copy(addr, &hw->mc_addrs[num]);
2058                 hw->mc_addrs_num++;
2059         }
2060         rte_spinlock_unlock(&hw->lock);
2061
2062         return 0;
2063 }
2064
2065 static int
2066 hns3_configure_all_mc_mac_addr(struct hns3_adapter *hns, bool del)
2067 {
2068         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
2069         struct hns3_hw *hw = &hns->hw;
2070         struct rte_ether_addr *addr;
2071         int err = 0;
2072         int ret;
2073         int i;
2074
2075         for (i = 0; i < hw->mc_addrs_num; i++) {
2076                 addr = &hw->mc_addrs[i];
2077                 if (!rte_is_multicast_ether_addr(addr))
2078                         continue;
2079                 if (del)
2080                         ret = hns3_remove_mc_addr(hw, addr);
2081                 else
2082                         ret = hns3_add_mc_addr(hw, addr);
2083                 if (ret) {
2084                         err = ret;
2085                         rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
2086                                               addr);
2087                         hns3_dbg(hw, "%s mc mac addr: %s failed for pf: ret = %d",
2088                                  del ? "Remove" : "Restore", mac_str, ret);
2089                 }
2090         }
2091         return err;
2092 }
2093
2094 static int
2095 hns3_check_mq_mode(struct rte_eth_dev *dev)
2096 {
2097         enum rte_eth_rx_mq_mode rx_mq_mode = dev->data->dev_conf.rxmode.mq_mode;
2098         enum rte_eth_tx_mq_mode tx_mq_mode = dev->data->dev_conf.txmode.mq_mode;
2099         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2100         struct hns3_pf *pf = HNS3_DEV_PRIVATE_TO_PF(dev->data->dev_private);
2101         struct rte_eth_dcb_rx_conf *dcb_rx_conf;
2102         struct rte_eth_dcb_tx_conf *dcb_tx_conf;
2103         uint8_t num_tc;
2104         int max_tc = 0;
2105         int i;
2106
2107         dcb_rx_conf = &dev->data->dev_conf.rx_adv_conf.dcb_rx_conf;
2108         dcb_tx_conf = &dev->data->dev_conf.tx_adv_conf.dcb_tx_conf;
2109
2110         if (rx_mq_mode == ETH_MQ_RX_VMDQ_DCB_RSS) {
2111                 hns3_err(hw, "ETH_MQ_RX_VMDQ_DCB_RSS is not supported. "
2112                          "rx_mq_mode = %d", rx_mq_mode);
2113                 return -EINVAL;
2114         }
2115
2116         if (rx_mq_mode == ETH_MQ_RX_VMDQ_DCB ||
2117             tx_mq_mode == ETH_MQ_TX_VMDQ_DCB) {
2118                 hns3_err(hw, "ETH_MQ_RX_VMDQ_DCB and ETH_MQ_TX_VMDQ_DCB "
2119                          "is not supported. rx_mq_mode = %d, tx_mq_mode = %d",
2120                          rx_mq_mode, tx_mq_mode);
2121                 return -EINVAL;
2122         }
2123
2124         if (rx_mq_mode == ETH_MQ_RX_DCB_RSS) {
2125                 if (dcb_rx_conf->nb_tcs > pf->tc_max) {
2126                         hns3_err(hw, "nb_tcs(%u) > max_tc(%u) driver supported.",
2127                                  dcb_rx_conf->nb_tcs, pf->tc_max);
2128                         return -EINVAL;
2129                 }
2130
2131                 if (!(dcb_rx_conf->nb_tcs == HNS3_4_TCS ||
2132                       dcb_rx_conf->nb_tcs == HNS3_8_TCS)) {
2133                         hns3_err(hw, "on ETH_MQ_RX_DCB_RSS mode, "
2134                                  "nb_tcs(%d) != %d or %d in rx direction.",
2135                                  dcb_rx_conf->nb_tcs, HNS3_4_TCS, HNS3_8_TCS);
2136                         return -EINVAL;
2137                 }
2138
2139                 if (dcb_rx_conf->nb_tcs != dcb_tx_conf->nb_tcs) {
2140                         hns3_err(hw, "num_tcs(%d) of tx is not equal to rx(%d)",
2141                                  dcb_tx_conf->nb_tcs, dcb_rx_conf->nb_tcs);
2142                         return -EINVAL;
2143                 }
2144
2145                 for (i = 0; i < HNS3_MAX_USER_PRIO; i++) {
2146                         if (dcb_rx_conf->dcb_tc[i] != dcb_tx_conf->dcb_tc[i]) {
2147                                 hns3_err(hw, "dcb_tc[%d] = %d in rx direction, "
2148                                          "is not equal to one in tx direction.",
2149                                          i, dcb_rx_conf->dcb_tc[i]);
2150                                 return -EINVAL;
2151                         }
2152                         if (dcb_rx_conf->dcb_tc[i] > max_tc)
2153                                 max_tc = dcb_rx_conf->dcb_tc[i];
2154                 }
2155
2156                 num_tc = max_tc + 1;
2157                 if (num_tc > dcb_rx_conf->nb_tcs) {
2158                         hns3_err(hw, "max num_tc(%u) mapped > nb_tcs(%u)",
2159                                  num_tc, dcb_rx_conf->nb_tcs);
2160                         return -EINVAL;
2161                 }
2162         }
2163
2164         return 0;
2165 }
2166
2167 static int
2168 hns3_check_dcb_cfg(struct rte_eth_dev *dev)
2169 {
2170         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2171
2172         if (!hns3_dev_dcb_supported(hw)) {
2173                 hns3_err(hw, "this port does not support dcb configurations.");
2174                 return -EOPNOTSUPP;
2175         }
2176
2177         if (hw->current_fc_status == HNS3_FC_STATUS_MAC_PAUSE) {
2178                 hns3_err(hw, "MAC pause enabled, cannot config dcb info.");
2179                 return -EOPNOTSUPP;
2180         }
2181
2182         /* Check multiple queue mode */
2183         return hns3_check_mq_mode(dev);
2184 }
2185
2186 static int
2187 hns3_bind_ring_with_vector(struct hns3_hw *hw, uint8_t vector_id, bool mmap,
2188                            enum hns3_ring_type queue_type, uint16_t queue_id)
2189 {
2190         struct hns3_cmd_desc desc;
2191         struct hns3_ctrl_vector_chain_cmd *req =
2192                 (struct hns3_ctrl_vector_chain_cmd *)desc.data;
2193         enum hns3_cmd_status status;
2194         enum hns3_opcode_type op;
2195         uint16_t tqp_type_and_id = 0;
2196         const char *op_str;
2197         uint16_t type;
2198         uint16_t gl;
2199
2200         op = mmap ? HNS3_OPC_ADD_RING_TO_VECTOR : HNS3_OPC_DEL_RING_TO_VECTOR;
2201         hns3_cmd_setup_basic_desc(&desc, op, false);
2202         req->int_vector_id = vector_id;
2203
2204         if (queue_type == HNS3_RING_TYPE_RX)
2205                 gl = HNS3_RING_GL_RX;
2206         else
2207                 gl = HNS3_RING_GL_TX;
2208
2209         type = queue_type;
2210
2211         hns3_set_field(tqp_type_and_id, HNS3_INT_TYPE_M, HNS3_INT_TYPE_S,
2212                        type);
2213         hns3_set_field(tqp_type_and_id, HNS3_TQP_ID_M, HNS3_TQP_ID_S, queue_id);
2214         hns3_set_field(tqp_type_and_id, HNS3_INT_GL_IDX_M, HNS3_INT_GL_IDX_S,
2215                        gl);
2216         req->tqp_type_and_id[0] = rte_cpu_to_le_16(tqp_type_and_id);
2217         req->int_cause_num = 1;
2218         op_str = mmap ? "Map" : "Unmap";
2219         status = hns3_cmd_send(hw, &desc, 1);
2220         if (status) {
2221                 hns3_err(hw, "%s TQP %d fail, vector_id is %d, status is %d.",
2222                          op_str, queue_id, req->int_vector_id, status);
2223                 return status;
2224         }
2225
2226         return 0;
2227 }
2228
2229 static int
2230 hns3_init_ring_with_vector(struct hns3_hw *hw)
2231 {
2232         uint16_t vec;
2233         int ret;
2234         int i;
2235
2236         /*
2237          * In hns3 network engine, vector 0 is always the misc interrupt of this
2238          * function, vector 1~N can be used respectively for the queues of the
2239          * function. Tx and Rx queues with the same number share the interrupt
2240          * vector. In the initialization clearing the all hardware mapping
2241          * relationship configurations between queues and interrupt vectors is
2242          * needed, so some error caused by the residual configurations, such as
2243          * the unexpected Tx interrupt, can be avoid.
2244          */
2245         vec = hw->num_msi - 1; /* vector 0 for misc interrupt, not for queue */
2246         if (hw->intr.mapping_mode == HNS3_INTR_MAPPING_VEC_RSV_ONE)
2247                 vec = vec - 1; /* the last interrupt is reserved */
2248         hw->intr_tqps_num = RTE_MIN(vec, hw->tqps_num);
2249         for (i = 0; i < hw->intr_tqps_num; i++) {
2250                 /*
2251                  * Set gap limiter/rate limiter/quanity limiter algorithm
2252                  * configuration for interrupt coalesce of queue's interrupt.
2253                  */
2254                 hns3_set_queue_intr_gl(hw, i, HNS3_RING_GL_RX,
2255                                        HNS3_TQP_INTR_GL_DEFAULT);
2256                 hns3_set_queue_intr_gl(hw, i, HNS3_RING_GL_TX,
2257                                        HNS3_TQP_INTR_GL_DEFAULT);
2258                 hns3_set_queue_intr_rl(hw, i, HNS3_TQP_INTR_RL_DEFAULT);
2259                 hns3_set_queue_intr_ql(hw, i, HNS3_TQP_INTR_QL_DEFAULT);
2260
2261                 ret = hns3_bind_ring_with_vector(hw, vec, false,
2262                                                  HNS3_RING_TYPE_TX, i);
2263                 if (ret) {
2264                         PMD_INIT_LOG(ERR, "PF fail to unbind TX ring(%d) with "
2265                                           "vector: %d, ret=%d", i, vec, ret);
2266                         return ret;
2267                 }
2268
2269                 ret = hns3_bind_ring_with_vector(hw, vec, false,
2270                                                  HNS3_RING_TYPE_RX, i);
2271                 if (ret) {
2272                         PMD_INIT_LOG(ERR, "PF fail to unbind RX ring(%d) with "
2273                                           "vector: %d, ret=%d", i, vec, ret);
2274                         return ret;
2275                 }
2276         }
2277
2278         return 0;
2279 }
2280
2281 static int
2282 hns3_dev_configure(struct rte_eth_dev *dev)
2283 {
2284         struct hns3_adapter *hns = dev->data->dev_private;
2285         struct rte_eth_conf *conf = &dev->data->dev_conf;
2286         enum rte_eth_rx_mq_mode mq_mode = conf->rxmode.mq_mode;
2287         struct hns3_hw *hw = &hns->hw;
2288         struct hns3_rss_conf *rss_cfg = &hw->rss_info;
2289         uint16_t nb_rx_q = dev->data->nb_rx_queues;
2290         uint16_t nb_tx_q = dev->data->nb_tx_queues;
2291         struct rte_eth_rss_conf rss_conf;
2292         uint16_t mtu;
2293         bool gro_en;
2294         int ret;
2295
2296         /*
2297          * Hardware does not support individually enable/disable/reset the Tx or
2298          * Rx queue in hns3 network engine. Driver must enable/disable/reset Tx
2299          * and Rx queues at the same time. When the numbers of Tx queues
2300          * allocated by upper applications are not equal to the numbers of Rx
2301          * queues, driver needs to setup fake Tx or Rx queues to adjust numbers
2302          * of Tx/Rx queues. otherwise, network engine can not work as usual. But
2303          * these fake queues are imperceptible, and can not be used by upper
2304          * applications.
2305          */
2306         ret = hns3_set_fake_rx_or_tx_queues(dev, nb_rx_q, nb_tx_q);
2307         if (ret) {
2308                 hns3_err(hw, "Failed to set rx/tx fake queues: %d", ret);
2309                 return ret;
2310         }
2311
2312         hw->adapter_state = HNS3_NIC_CONFIGURING;
2313         if (conf->link_speeds & ETH_LINK_SPEED_FIXED) {
2314                 hns3_err(hw, "setting link speed/duplex not supported");
2315                 ret = -EINVAL;
2316                 goto cfg_err;
2317         }
2318
2319         if ((uint32_t)mq_mode & ETH_MQ_RX_DCB_FLAG) {
2320                 ret = hns3_check_dcb_cfg(dev);
2321                 if (ret)
2322                         goto cfg_err;
2323         }
2324
2325         /* When RSS is not configured, redirect the packet queue 0 */
2326         if ((uint32_t)mq_mode & ETH_MQ_RX_RSS_FLAG) {
2327                 conf->rxmode.offloads |= DEV_RX_OFFLOAD_RSS_HASH;
2328                 rss_conf = conf->rx_adv_conf.rss_conf;
2329                 hw->rss_dis_flag = false;
2330                 if (rss_conf.rss_key == NULL) {
2331                         rss_conf.rss_key = rss_cfg->key;
2332                         rss_conf.rss_key_len = HNS3_RSS_KEY_SIZE;
2333                 }
2334
2335                 ret = hns3_dev_rss_hash_update(dev, &rss_conf);
2336                 if (ret)
2337                         goto cfg_err;
2338         }
2339
2340         /*
2341          * If jumbo frames are enabled, MTU needs to be refreshed
2342          * according to the maximum RX packet length.
2343          */
2344         if (conf->rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
2345                 /*
2346                  * Security of max_rx_pkt_len is guaranteed in dpdk frame.
2347                  * Maximum value of max_rx_pkt_len is HNS3_MAX_FRAME_LEN, so it
2348                  * can safely assign to "uint16_t" type variable.
2349                  */
2350                 mtu = (uint16_t)HNS3_PKTLEN_TO_MTU(conf->rxmode.max_rx_pkt_len);
2351                 ret = hns3_dev_mtu_set(dev, mtu);
2352                 if (ret)
2353                         goto cfg_err;
2354                 dev->data->mtu = mtu;
2355         }
2356
2357         ret = hns3_dev_configure_vlan(dev);
2358         if (ret)
2359                 goto cfg_err;
2360
2361         /* config hardware GRO */
2362         gro_en = conf->rxmode.offloads & DEV_RX_OFFLOAD_TCP_LRO ? true : false;
2363         ret = hns3_config_gro(hw, gro_en);
2364         if (ret)
2365                 goto cfg_err;
2366
2367         hns->rx_simple_allowed = true;
2368         hns->rx_vec_allowed = true;
2369         hns->tx_simple_allowed = true;
2370         hns->tx_vec_allowed = true;
2371
2372         hns3_init_rx_ptype_tble(dev);
2373         hw->adapter_state = HNS3_NIC_CONFIGURED;
2374
2375         return 0;
2376
2377 cfg_err:
2378         (void)hns3_set_fake_rx_or_tx_queues(dev, 0, 0);
2379         hw->adapter_state = HNS3_NIC_INITIALIZED;
2380
2381         return ret;
2382 }
2383
2384 static int
2385 hns3_set_mac_mtu(struct hns3_hw *hw, uint16_t new_mps)
2386 {
2387         struct hns3_config_max_frm_size_cmd *req;
2388         struct hns3_cmd_desc desc;
2389
2390         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CONFIG_MAX_FRM_SIZE, false);
2391
2392         req = (struct hns3_config_max_frm_size_cmd *)desc.data;
2393         req->max_frm_size = rte_cpu_to_le_16(new_mps);
2394         req->min_frm_size = RTE_ETHER_MIN_LEN;
2395
2396         return hns3_cmd_send(hw, &desc, 1);
2397 }
2398
2399 static int
2400 hns3_config_mtu(struct hns3_hw *hw, uint16_t mps)
2401 {
2402         int ret;
2403
2404         ret = hns3_set_mac_mtu(hw, mps);
2405         if (ret) {
2406                 hns3_err(hw, "Failed to set mtu, ret = %d", ret);
2407                 return ret;
2408         }
2409
2410         ret = hns3_buffer_alloc(hw);
2411         if (ret)
2412                 hns3_err(hw, "Failed to allocate buffer, ret = %d", ret);
2413
2414         return ret;
2415 }
2416
2417 static int
2418 hns3_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
2419 {
2420         struct hns3_adapter *hns = dev->data->dev_private;
2421         uint32_t frame_size = mtu + HNS3_ETH_OVERHEAD;
2422         struct hns3_hw *hw = &hns->hw;
2423         bool is_jumbo_frame;
2424         int ret;
2425
2426         if (dev->data->dev_started) {
2427                 hns3_err(hw, "Failed to set mtu, port %u must be stopped "
2428                          "before configuration", dev->data->port_id);
2429                 return -EBUSY;
2430         }
2431
2432         rte_spinlock_lock(&hw->lock);
2433         is_jumbo_frame = frame_size > RTE_ETHER_MAX_LEN ? true : false;
2434         frame_size = RTE_MAX(frame_size, HNS3_DEFAULT_FRAME_LEN);
2435
2436         /*
2437          * Maximum value of frame_size is HNS3_MAX_FRAME_LEN, so it can safely
2438          * assign to "uint16_t" type variable.
2439          */
2440         ret = hns3_config_mtu(hw, (uint16_t)frame_size);
2441         if (ret) {
2442                 rte_spinlock_unlock(&hw->lock);
2443                 hns3_err(hw, "Failed to set mtu, port %u mtu %u: %d",
2444                          dev->data->port_id, mtu, ret);
2445                 return ret;
2446         }
2447         hns->pf.mps = (uint16_t)frame_size;
2448         if (is_jumbo_frame)
2449                 dev->data->dev_conf.rxmode.offloads |=
2450                                                 DEV_RX_OFFLOAD_JUMBO_FRAME;
2451         else
2452                 dev->data->dev_conf.rxmode.offloads &=
2453                                                 ~DEV_RX_OFFLOAD_JUMBO_FRAME;
2454         dev->data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
2455         rte_spinlock_unlock(&hw->lock);
2456
2457         return 0;
2458 }
2459
2460 static int
2461 hns3_dev_infos_get(struct rte_eth_dev *eth_dev, struct rte_eth_dev_info *info)
2462 {
2463         struct hns3_adapter *hns = eth_dev->data->dev_private;
2464         struct hns3_hw *hw = &hns->hw;
2465         uint16_t queue_num = hw->tqps_num;
2466
2467         /*
2468          * In interrupt mode, 'max_rx_queues' is set based on the number of
2469          * MSI-X interrupt resources of the hardware.
2470          */
2471         if (hw->data->dev_conf.intr_conf.rxq == 1)
2472                 queue_num = hw->intr_tqps_num;
2473
2474         info->max_rx_queues = queue_num;
2475         info->max_tx_queues = hw->tqps_num;
2476         info->max_rx_pktlen = HNS3_MAX_FRAME_LEN; /* CRC included */
2477         info->min_rx_bufsize = HNS3_MIN_BD_BUF_SIZE;
2478         info->max_mac_addrs = HNS3_UC_MACADDR_NUM;
2479         info->max_mtu = info->max_rx_pktlen - HNS3_ETH_OVERHEAD;
2480         info->max_lro_pkt_size = HNS3_MAX_LRO_SIZE;
2481         info->rx_offload_capa = (DEV_RX_OFFLOAD_IPV4_CKSUM |
2482                                  DEV_RX_OFFLOAD_TCP_CKSUM |
2483                                  DEV_RX_OFFLOAD_UDP_CKSUM |
2484                                  DEV_RX_OFFLOAD_SCTP_CKSUM |
2485                                  DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM |
2486                                  DEV_RX_OFFLOAD_OUTER_UDP_CKSUM |
2487                                  DEV_RX_OFFLOAD_KEEP_CRC |
2488                                  DEV_RX_OFFLOAD_SCATTER |
2489                                  DEV_RX_OFFLOAD_VLAN_STRIP |
2490                                  DEV_RX_OFFLOAD_VLAN_FILTER |
2491                                  DEV_RX_OFFLOAD_JUMBO_FRAME |
2492                                  DEV_RX_OFFLOAD_RSS_HASH |
2493                                  DEV_RX_OFFLOAD_TCP_LRO);
2494         info->tx_offload_capa = (DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM |
2495                                  DEV_TX_OFFLOAD_IPV4_CKSUM |
2496                                  DEV_TX_OFFLOAD_TCP_CKSUM |
2497                                  DEV_TX_OFFLOAD_UDP_CKSUM |
2498                                  DEV_TX_OFFLOAD_SCTP_CKSUM |
2499                                  DEV_TX_OFFLOAD_MULTI_SEGS |
2500                                  DEV_TX_OFFLOAD_TCP_TSO |
2501                                  DEV_TX_OFFLOAD_VXLAN_TNL_TSO |
2502                                  DEV_TX_OFFLOAD_GRE_TNL_TSO |
2503                                  DEV_TX_OFFLOAD_GENEVE_TNL_TSO |
2504                                  DEV_TX_OFFLOAD_MBUF_FAST_FREE |
2505                                  hns3_txvlan_cap_get(hw));
2506
2507         info->rx_desc_lim = (struct rte_eth_desc_lim) {
2508                 .nb_max = HNS3_MAX_RING_DESC,
2509                 .nb_min = HNS3_MIN_RING_DESC,
2510                 .nb_align = HNS3_ALIGN_RING_DESC,
2511         };
2512
2513         info->tx_desc_lim = (struct rte_eth_desc_lim) {
2514                 .nb_max = HNS3_MAX_RING_DESC,
2515                 .nb_min = HNS3_MIN_RING_DESC,
2516                 .nb_align = HNS3_ALIGN_RING_DESC,
2517                 .nb_seg_max = HNS3_MAX_TSO_BD_PER_PKT,
2518                 .nb_mtu_seg_max = hw->max_non_tso_bd_num,
2519         };
2520
2521         info->default_rxconf = (struct rte_eth_rxconf) {
2522                 .rx_free_thresh = HNS3_DEFAULT_RX_FREE_THRESH,
2523                 /*
2524                  * If there are no available Rx buffer descriptors, incoming
2525                  * packets are always dropped by hardware based on hns3 network
2526                  * engine.
2527                  */
2528                 .rx_drop_en = 1,
2529                 .offloads = 0,
2530         };
2531         info->default_txconf = (struct rte_eth_txconf) {
2532                 .tx_rs_thresh = HNS3_DEFAULT_TX_RS_THRESH,
2533                 .offloads = 0,
2534         };
2535
2536         info->vmdq_queue_num = 0;
2537
2538         info->reta_size = HNS3_RSS_IND_TBL_SIZE;
2539         info->hash_key_size = HNS3_RSS_KEY_SIZE;
2540         info->flow_type_rss_offloads = HNS3_ETH_RSS_SUPPORT;
2541
2542         info->default_rxportconf.burst_size = HNS3_DEFAULT_PORT_CONF_BURST_SIZE;
2543         info->default_txportconf.burst_size = HNS3_DEFAULT_PORT_CONF_BURST_SIZE;
2544         info->default_rxportconf.nb_queues = HNS3_DEFAULT_PORT_CONF_QUEUES_NUM;
2545         info->default_txportconf.nb_queues = HNS3_DEFAULT_PORT_CONF_QUEUES_NUM;
2546         info->default_rxportconf.ring_size = HNS3_DEFAULT_RING_DESC;
2547         info->default_txportconf.ring_size = HNS3_DEFAULT_RING_DESC;
2548
2549         return 0;
2550 }
2551
2552 static int
2553 hns3_fw_version_get(struct rte_eth_dev *eth_dev, char *fw_version,
2554                     size_t fw_size)
2555 {
2556         struct hns3_adapter *hns = eth_dev->data->dev_private;
2557         struct hns3_hw *hw = &hns->hw;
2558         uint32_t version = hw->fw_version;
2559         int ret;
2560
2561         ret = snprintf(fw_version, fw_size, "%lu.%lu.%lu.%lu",
2562                        hns3_get_field(version, HNS3_FW_VERSION_BYTE3_M,
2563                                       HNS3_FW_VERSION_BYTE3_S),
2564                        hns3_get_field(version, HNS3_FW_VERSION_BYTE2_M,
2565                                       HNS3_FW_VERSION_BYTE2_S),
2566                        hns3_get_field(version, HNS3_FW_VERSION_BYTE1_M,
2567                                       HNS3_FW_VERSION_BYTE1_S),
2568                        hns3_get_field(version, HNS3_FW_VERSION_BYTE0_M,
2569                                       HNS3_FW_VERSION_BYTE0_S));
2570         ret += 1; /* add the size of '\0' */
2571         if (fw_size < (uint32_t)ret)
2572                 return ret;
2573         else
2574                 return 0;
2575 }
2576
2577 static int
2578 hns3_dev_link_update(struct rte_eth_dev *eth_dev,
2579                      __rte_unused int wait_to_complete)
2580 {
2581         struct hns3_adapter *hns = eth_dev->data->dev_private;
2582         struct hns3_hw *hw = &hns->hw;
2583         struct hns3_mac *mac = &hw->mac;
2584         struct rte_eth_link new_link;
2585
2586         if (!hns3_is_reset_pending(hns)) {
2587                 hns3_update_speed_duplex(eth_dev);
2588                 hns3_update_link_status(hw);
2589         }
2590
2591         memset(&new_link, 0, sizeof(new_link));
2592         switch (mac->link_speed) {
2593         case ETH_SPEED_NUM_10M:
2594         case ETH_SPEED_NUM_100M:
2595         case ETH_SPEED_NUM_1G:
2596         case ETH_SPEED_NUM_10G:
2597         case ETH_SPEED_NUM_25G:
2598         case ETH_SPEED_NUM_40G:
2599         case ETH_SPEED_NUM_50G:
2600         case ETH_SPEED_NUM_100G:
2601         case ETH_SPEED_NUM_200G:
2602                 new_link.link_speed = mac->link_speed;
2603                 break;
2604         default:
2605                 new_link.link_speed = ETH_SPEED_NUM_100M;
2606                 break;
2607         }
2608
2609         new_link.link_duplex = mac->link_duplex;
2610         new_link.link_status = mac->link_status ? ETH_LINK_UP : ETH_LINK_DOWN;
2611         new_link.link_autoneg =
2612             !(eth_dev->data->dev_conf.link_speeds & ETH_LINK_SPEED_FIXED);
2613
2614         return rte_eth_linkstatus_set(eth_dev, &new_link);
2615 }
2616
2617 static int
2618 hns3_parse_func_status(struct hns3_hw *hw, struct hns3_func_status_cmd *status)
2619 {
2620         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
2621         struct hns3_pf *pf = &hns->pf;
2622
2623         if (!(status->pf_state & HNS3_PF_STATE_DONE))
2624                 return -EINVAL;
2625
2626         pf->is_main_pf = (status->pf_state & HNS3_PF_STATE_MAIN) ? true : false;
2627
2628         return 0;
2629 }
2630
2631 static int
2632 hns3_query_function_status(struct hns3_hw *hw)
2633 {
2634 #define HNS3_QUERY_MAX_CNT              10
2635 #define HNS3_QUERY_SLEEP_MSCOEND        1
2636         struct hns3_func_status_cmd *req;
2637         struct hns3_cmd_desc desc;
2638         int timeout = 0;
2639         int ret;
2640
2641         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_QUERY_FUNC_STATUS, true);
2642         req = (struct hns3_func_status_cmd *)desc.data;
2643
2644         do {
2645                 ret = hns3_cmd_send(hw, &desc, 1);
2646                 if (ret) {
2647                         PMD_INIT_LOG(ERR, "query function status failed %d",
2648                                      ret);
2649                         return ret;
2650                 }
2651
2652                 /* Check pf reset is done */
2653                 if (req->pf_state)
2654                         break;
2655
2656                 rte_delay_ms(HNS3_QUERY_SLEEP_MSCOEND);
2657         } while (timeout++ < HNS3_QUERY_MAX_CNT);
2658
2659         return hns3_parse_func_status(hw, req);
2660 }
2661
2662 static int
2663 hns3_get_pf_max_tqp_num(struct hns3_hw *hw)
2664 {
2665         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
2666         struct hns3_pf *pf = &hns->pf;
2667
2668         if (pf->tqp_config_mode == HNS3_FLEX_MAX_TQP_NUM_MODE) {
2669                 /*
2670                  * The total_tqps_num obtained from firmware is maximum tqp
2671                  * numbers of this port, which should be used for PF and VFs.
2672                  * There is no need for pf to have so many tqp numbers in
2673                  * most cases. RTE_LIBRTE_HNS3_MAX_TQP_NUM_PER_PF,
2674                  * coming from config file, is assigned to maximum queue number
2675                  * for the PF of this port by user. So users can modify the
2676                  * maximum queue number of PF according to their own application
2677                  * scenarios, which is more flexible to use. In addition, many
2678                  * memories can be saved due to allocating queue statistics
2679                  * room according to the actual number of queues required. The
2680                  * maximum queue number of PF for network engine with
2681                  * revision_id greater than 0x30 is assigned by config file.
2682                  */
2683                 if (RTE_LIBRTE_HNS3_MAX_TQP_NUM_PER_PF <= 0) {
2684                         hns3_err(hw, "RTE_LIBRTE_HNS3_MAX_TQP_NUM_PER_PF(%d) "
2685                                  "must be greater than 0.",
2686                                  RTE_LIBRTE_HNS3_MAX_TQP_NUM_PER_PF);
2687                         return -EINVAL;
2688                 }
2689
2690                 hw->tqps_num = RTE_MIN(RTE_LIBRTE_HNS3_MAX_TQP_NUM_PER_PF,
2691                                        hw->total_tqps_num);
2692         } else {
2693                 /*
2694                  * Due to the limitation on the number of PF interrupts
2695                  * available, the maximum queue number assigned to PF on
2696                  * the network engine with revision_id 0x21 is 64.
2697                  */
2698                 hw->tqps_num = RTE_MIN(hw->total_tqps_num,
2699                                        HNS3_MAX_TQP_NUM_HIP08_PF);
2700         }
2701
2702         return 0;
2703 }
2704
2705 static int
2706 hns3_query_pf_resource(struct hns3_hw *hw)
2707 {
2708         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
2709         struct hns3_pf *pf = &hns->pf;
2710         struct hns3_pf_res_cmd *req;
2711         struct hns3_cmd_desc desc;
2712         int ret;
2713
2714         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_QUERY_PF_RSRC, true);
2715         ret = hns3_cmd_send(hw, &desc, 1);
2716         if (ret) {
2717                 PMD_INIT_LOG(ERR, "query pf resource failed %d", ret);
2718                 return ret;
2719         }
2720
2721         req = (struct hns3_pf_res_cmd *)desc.data;
2722         hw->total_tqps_num = rte_le_to_cpu_16(req->tqp_num) +
2723                              rte_le_to_cpu_16(req->ext_tqp_num);
2724         ret = hns3_get_pf_max_tqp_num(hw);
2725         if (ret)
2726                 return ret;
2727
2728         pf->pkt_buf_size = rte_le_to_cpu_16(req->buf_size) << HNS3_BUF_UNIT_S;
2729         pf->func_num = rte_le_to_cpu_16(req->pf_own_fun_number);
2730
2731         if (req->tx_buf_size)
2732                 pf->tx_buf_size =
2733                     rte_le_to_cpu_16(req->tx_buf_size) << HNS3_BUF_UNIT_S;
2734         else
2735                 pf->tx_buf_size = HNS3_DEFAULT_TX_BUF;
2736
2737         pf->tx_buf_size = roundup(pf->tx_buf_size, HNS3_BUF_SIZE_UNIT);
2738
2739         if (req->dv_buf_size)
2740                 pf->dv_buf_size =
2741                     rte_le_to_cpu_16(req->dv_buf_size) << HNS3_BUF_UNIT_S;
2742         else
2743                 pf->dv_buf_size = HNS3_DEFAULT_DV;
2744
2745         pf->dv_buf_size = roundup(pf->dv_buf_size, HNS3_BUF_SIZE_UNIT);
2746
2747         hw->num_msi =
2748                 hns3_get_field(rte_le_to_cpu_16(req->nic_pf_intr_vector_number),
2749                                HNS3_PF_VEC_NUM_M, HNS3_PF_VEC_NUM_S);
2750
2751         return 0;
2752 }
2753
2754 static void
2755 hns3_parse_cfg(struct hns3_cfg *cfg, struct hns3_cmd_desc *desc)
2756 {
2757         struct hns3_cfg_param_cmd *req;
2758         uint64_t mac_addr_tmp_high;
2759         uint8_t ext_rss_size_max;
2760         uint64_t mac_addr_tmp;
2761         uint32_t i;
2762
2763         req = (struct hns3_cfg_param_cmd *)desc[0].data;
2764
2765         /* get the configuration */
2766         cfg->vmdq_vport_num = hns3_get_field(rte_le_to_cpu_32(req->param[0]),
2767                                              HNS3_CFG_VMDQ_M, HNS3_CFG_VMDQ_S);
2768         cfg->tc_num = hns3_get_field(rte_le_to_cpu_32(req->param[0]),
2769                                      HNS3_CFG_TC_NUM_M, HNS3_CFG_TC_NUM_S);
2770         cfg->tqp_desc_num = hns3_get_field(rte_le_to_cpu_32(req->param[0]),
2771                                            HNS3_CFG_TQP_DESC_N_M,
2772                                            HNS3_CFG_TQP_DESC_N_S);
2773
2774         cfg->phy_addr = hns3_get_field(rte_le_to_cpu_32(req->param[1]),
2775                                        HNS3_CFG_PHY_ADDR_M,
2776                                        HNS3_CFG_PHY_ADDR_S);
2777         cfg->media_type = hns3_get_field(rte_le_to_cpu_32(req->param[1]),
2778                                          HNS3_CFG_MEDIA_TP_M,
2779                                          HNS3_CFG_MEDIA_TP_S);
2780         cfg->rx_buf_len = hns3_get_field(rte_le_to_cpu_32(req->param[1]),
2781                                          HNS3_CFG_RX_BUF_LEN_M,
2782                                          HNS3_CFG_RX_BUF_LEN_S);
2783         /* get mac address */
2784         mac_addr_tmp = rte_le_to_cpu_32(req->param[2]);
2785         mac_addr_tmp_high = hns3_get_field(rte_le_to_cpu_32(req->param[3]),
2786                                            HNS3_CFG_MAC_ADDR_H_M,
2787                                            HNS3_CFG_MAC_ADDR_H_S);
2788
2789         mac_addr_tmp |= (mac_addr_tmp_high << 31) << 1;
2790
2791         cfg->default_speed = hns3_get_field(rte_le_to_cpu_32(req->param[3]),
2792                                             HNS3_CFG_DEFAULT_SPEED_M,
2793                                             HNS3_CFG_DEFAULT_SPEED_S);
2794         cfg->rss_size_max = hns3_get_field(rte_le_to_cpu_32(req->param[3]),
2795                                            HNS3_CFG_RSS_SIZE_M,
2796                                            HNS3_CFG_RSS_SIZE_S);
2797
2798         for (i = 0; i < RTE_ETHER_ADDR_LEN; i++)
2799                 cfg->mac_addr[i] = (mac_addr_tmp >> (8 * i)) & 0xff;
2800
2801         req = (struct hns3_cfg_param_cmd *)desc[1].data;
2802         cfg->numa_node_map = rte_le_to_cpu_32(req->param[0]);
2803
2804         cfg->speed_ability = hns3_get_field(rte_le_to_cpu_32(req->param[1]),
2805                                             HNS3_CFG_SPEED_ABILITY_M,
2806                                             HNS3_CFG_SPEED_ABILITY_S);
2807         cfg->umv_space = hns3_get_field(rte_le_to_cpu_32(req->param[1]),
2808                                         HNS3_CFG_UMV_TBL_SPACE_M,
2809                                         HNS3_CFG_UMV_TBL_SPACE_S);
2810         if (!cfg->umv_space)
2811                 cfg->umv_space = HNS3_DEFAULT_UMV_SPACE_PER_PF;
2812
2813         ext_rss_size_max = hns3_get_field(rte_le_to_cpu_32(req->param[2]),
2814                                                HNS3_CFG_EXT_RSS_SIZE_M,
2815                                                HNS3_CFG_EXT_RSS_SIZE_S);
2816
2817         /*
2818          * Field ext_rss_size_max obtained from firmware will be more flexible
2819          * for future changes and expansions, which is an exponent of 2, instead
2820          * of reading out directly. If this field is not zero, hns3 PF PMD
2821          * driver uses it as rss_size_max under one TC. Device, whose revision
2822          * id is greater than or equal to PCI_REVISION_ID_HIP09_A, obtains the
2823          * maximum number of queues supported under a TC through this field.
2824          */
2825         if (ext_rss_size_max)
2826                 cfg->rss_size_max = 1U << ext_rss_size_max;
2827 }
2828
2829 /* hns3_get_board_cfg: query the static parameter from NCL_config file in flash
2830  * @hw: pointer to struct hns3_hw
2831  * @hcfg: the config structure to be getted
2832  */
2833 static int
2834 hns3_get_board_cfg(struct hns3_hw *hw, struct hns3_cfg *hcfg)
2835 {
2836         struct hns3_cmd_desc desc[HNS3_PF_CFG_DESC_NUM];
2837         struct hns3_cfg_param_cmd *req;
2838         uint32_t offset;
2839         uint32_t i;
2840         int ret;
2841
2842         for (i = 0; i < HNS3_PF_CFG_DESC_NUM; i++) {
2843                 offset = 0;
2844                 req = (struct hns3_cfg_param_cmd *)desc[i].data;
2845                 hns3_cmd_setup_basic_desc(&desc[i], HNS3_OPC_GET_CFG_PARAM,
2846                                           true);
2847                 hns3_set_field(offset, HNS3_CFG_OFFSET_M, HNS3_CFG_OFFSET_S,
2848                                i * HNS3_CFG_RD_LEN_BYTES);
2849                 /* Len should be divided by 4 when send to hardware */
2850                 hns3_set_field(offset, HNS3_CFG_RD_LEN_M, HNS3_CFG_RD_LEN_S,
2851                                HNS3_CFG_RD_LEN_BYTES / HNS3_CFG_RD_LEN_UNIT);
2852                 req->offset = rte_cpu_to_le_32(offset);
2853         }
2854
2855         ret = hns3_cmd_send(hw, desc, HNS3_PF_CFG_DESC_NUM);
2856         if (ret) {
2857                 PMD_INIT_LOG(ERR, "get config failed %d.", ret);
2858                 return ret;
2859         }
2860
2861         hns3_parse_cfg(hcfg, desc);
2862
2863         return 0;
2864 }
2865
2866 static int
2867 hns3_parse_speed(int speed_cmd, uint32_t *speed)
2868 {
2869         switch (speed_cmd) {
2870         case HNS3_CFG_SPEED_10M:
2871                 *speed = ETH_SPEED_NUM_10M;
2872                 break;
2873         case HNS3_CFG_SPEED_100M:
2874                 *speed = ETH_SPEED_NUM_100M;
2875                 break;
2876         case HNS3_CFG_SPEED_1G:
2877                 *speed = ETH_SPEED_NUM_1G;
2878                 break;
2879         case HNS3_CFG_SPEED_10G:
2880                 *speed = ETH_SPEED_NUM_10G;
2881                 break;
2882         case HNS3_CFG_SPEED_25G:
2883                 *speed = ETH_SPEED_NUM_25G;
2884                 break;
2885         case HNS3_CFG_SPEED_40G:
2886                 *speed = ETH_SPEED_NUM_40G;
2887                 break;
2888         case HNS3_CFG_SPEED_50G:
2889                 *speed = ETH_SPEED_NUM_50G;
2890                 break;
2891         case HNS3_CFG_SPEED_100G:
2892                 *speed = ETH_SPEED_NUM_100G;
2893                 break;
2894         case HNS3_CFG_SPEED_200G:
2895                 *speed = ETH_SPEED_NUM_200G;
2896                 break;
2897         default:
2898                 return -EINVAL;
2899         }
2900
2901         return 0;
2902 }
2903
2904 static void
2905 hns3_set_default_dev_specifications(struct hns3_hw *hw)
2906 {
2907         hw->max_non_tso_bd_num = HNS3_MAX_NON_TSO_BD_PER_PKT;
2908         hw->rss_ind_tbl_size = HNS3_RSS_IND_TBL_SIZE;
2909         hw->rss_key_size = HNS3_RSS_KEY_SIZE;
2910         hw->max_tm_rate = HNS3_ETHER_MAX_RATE;
2911 }
2912
2913 static void
2914 hns3_parse_dev_specifications(struct hns3_hw *hw, struct hns3_cmd_desc *desc)
2915 {
2916         struct hns3_dev_specs_0_cmd *req0;
2917
2918         req0 = (struct hns3_dev_specs_0_cmd *)desc[0].data;
2919
2920         hw->max_non_tso_bd_num = req0->max_non_tso_bd_num;
2921         hw->rss_ind_tbl_size = rte_le_to_cpu_16(req0->rss_ind_tbl_size);
2922         hw->rss_key_size = rte_le_to_cpu_16(req0->rss_key_size);
2923         hw->max_tm_rate = rte_le_to_cpu_32(req0->max_tm_rate);
2924 }
2925
2926 static int
2927 hns3_query_dev_specifications(struct hns3_hw *hw)
2928 {
2929         struct hns3_cmd_desc desc[HNS3_QUERY_DEV_SPECS_BD_NUM];
2930         int ret;
2931         int i;
2932
2933         for (i = 0; i < HNS3_QUERY_DEV_SPECS_BD_NUM - 1; i++) {
2934                 hns3_cmd_setup_basic_desc(&desc[i], HNS3_OPC_QUERY_DEV_SPECS,
2935                                           true);
2936                 desc[i].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
2937         }
2938         hns3_cmd_setup_basic_desc(&desc[i], HNS3_OPC_QUERY_DEV_SPECS, true);
2939
2940         ret = hns3_cmd_send(hw, desc, HNS3_QUERY_DEV_SPECS_BD_NUM);
2941         if (ret)
2942                 return ret;
2943
2944         hns3_parse_dev_specifications(hw, desc);
2945
2946         return 0;
2947 }
2948
2949 static int
2950 hns3_get_capability(struct hns3_hw *hw)
2951 {
2952         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
2953         struct rte_pci_device *pci_dev;
2954         struct hns3_pf *pf = &hns->pf;
2955         struct rte_eth_dev *eth_dev;
2956         uint16_t device_id;
2957         uint8_t revision;
2958         int ret;
2959
2960         eth_dev = &rte_eth_devices[hw->data->port_id];
2961         pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
2962         device_id = pci_dev->id.device_id;
2963
2964         if (device_id == HNS3_DEV_ID_25GE_RDMA ||
2965             device_id == HNS3_DEV_ID_50GE_RDMA ||
2966             device_id == HNS3_DEV_ID_100G_RDMA_MACSEC ||
2967             device_id == HNS3_DEV_ID_200G_RDMA)
2968                 hns3_set_bit(hw->capability, HNS3_DEV_SUPPORT_DCB_B, 1);
2969
2970         /* Get PCI revision id */
2971         ret = rte_pci_read_config(pci_dev, &revision, HNS3_PCI_REVISION_ID_LEN,
2972                                   HNS3_PCI_REVISION_ID);
2973         if (ret != HNS3_PCI_REVISION_ID_LEN) {
2974                 PMD_INIT_LOG(ERR, "failed to read pci revision id, ret = %d",
2975                              ret);
2976                 return -EIO;
2977         }
2978         hw->revision = revision;
2979
2980         if (revision < PCI_REVISION_ID_HIP09_A) {
2981                 hns3_set_default_dev_specifications(hw);
2982                 hw->intr.mapping_mode = HNS3_INTR_MAPPING_VEC_RSV_ONE;
2983                 hw->intr.coalesce_mode = HNS3_INTR_COALESCE_NON_QL;
2984                 hw->intr.gl_unit = HNS3_INTR_COALESCE_GL_UINT_2US;
2985                 hw->tso_mode = HNS3_TSO_SW_CAL_PSEUDO_H_CSUM;
2986                 hw->vlan_mode = HNS3_SW_SHIFT_AND_DISCARD_MODE;
2987                 hw->min_tx_pkt_len = HNS3_HIP08_MIN_TX_PKT_LEN;
2988                 pf->tqp_config_mode = HNS3_FIXED_MAX_TQP_NUM_MODE;
2989                 return 0;
2990         }
2991
2992         ret = hns3_query_dev_specifications(hw);
2993         if (ret) {
2994                 PMD_INIT_LOG(ERR,
2995                              "failed to query dev specifications, ret = %d",
2996                              ret);
2997                 return ret;
2998         }
2999
3000         hw->intr.mapping_mode = HNS3_INTR_MAPPING_VEC_ALL;
3001         hw->intr.coalesce_mode = HNS3_INTR_COALESCE_QL;
3002         hw->intr.gl_unit = HNS3_INTR_COALESCE_GL_UINT_1US;
3003         hw->tso_mode = HNS3_TSO_HW_CAL_PSEUDO_H_CSUM;
3004         hw->vlan_mode = HNS3_HW_SHIFT_AND_DISCARD_MODE;
3005         hw->min_tx_pkt_len = HNS3_HIP09_MIN_TX_PKT_LEN;
3006         pf->tqp_config_mode = HNS3_FLEX_MAX_TQP_NUM_MODE;
3007
3008         return 0;
3009 }
3010
3011 static int
3012 hns3_get_board_configuration(struct hns3_hw *hw)
3013 {
3014         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3015         struct hns3_pf *pf = &hns->pf;
3016         struct hns3_cfg cfg;
3017         int ret;
3018
3019         ret = hns3_get_board_cfg(hw, &cfg);
3020         if (ret) {
3021                 PMD_INIT_LOG(ERR, "get board config failed %d", ret);
3022                 return ret;
3023         }
3024
3025         if (cfg.media_type == HNS3_MEDIA_TYPE_COPPER &&
3026             !hns3_dev_copper_supported(hw)) {
3027                 PMD_INIT_LOG(ERR, "media type is copper, not supported.");
3028                 return -EOPNOTSUPP;
3029         }
3030
3031         hw->mac.media_type = cfg.media_type;
3032         hw->rss_size_max = cfg.rss_size_max;
3033         hw->rss_dis_flag = false;
3034         memcpy(hw->mac.mac_addr, cfg.mac_addr, RTE_ETHER_ADDR_LEN);
3035         hw->mac.phy_addr = cfg.phy_addr;
3036         hw->mac.default_addr_setted = false;
3037         hw->num_tx_desc = cfg.tqp_desc_num;
3038         hw->num_rx_desc = cfg.tqp_desc_num;
3039         hw->dcb_info.num_pg = 1;
3040         hw->dcb_info.hw_pfc_map = 0;
3041
3042         ret = hns3_parse_speed(cfg.default_speed, &hw->mac.link_speed);
3043         if (ret) {
3044                 PMD_INIT_LOG(ERR, "Get wrong speed %d, ret = %d",
3045                              cfg.default_speed, ret);
3046                 return ret;
3047         }
3048
3049         pf->tc_max = cfg.tc_num;
3050         if (pf->tc_max > HNS3_MAX_TC_NUM || pf->tc_max < 1) {
3051                 PMD_INIT_LOG(WARNING,
3052                              "Get TC num(%u) from flash, set TC num to 1",
3053                              pf->tc_max);
3054                 pf->tc_max = 1;
3055         }
3056
3057         /* Dev does not support DCB */
3058         if (!hns3_dev_dcb_supported(hw)) {
3059                 pf->tc_max = 1;
3060                 pf->pfc_max = 0;
3061         } else
3062                 pf->pfc_max = pf->tc_max;
3063
3064         hw->dcb_info.num_tc = 1;
3065         hw->alloc_rss_size = RTE_MIN(hw->rss_size_max,
3066                                      hw->tqps_num / hw->dcb_info.num_tc);
3067         hns3_set_bit(hw->hw_tc_map, 0, 1);
3068         pf->tx_sch_mode = HNS3_FLAG_TC_BASE_SCH_MODE;
3069
3070         pf->wanted_umv_size = cfg.umv_space;
3071
3072         return ret;
3073 }
3074
3075 static int
3076 hns3_get_configuration(struct hns3_hw *hw)
3077 {
3078         int ret;
3079
3080         ret = hns3_query_function_status(hw);
3081         if (ret) {
3082                 PMD_INIT_LOG(ERR, "Failed to query function status: %d.", ret);
3083                 return ret;
3084         }
3085
3086         /* Get device capability */
3087         ret = hns3_get_capability(hw);
3088         if (ret) {
3089                 PMD_INIT_LOG(ERR, "failed to get device capability: %d.", ret);
3090                 return ret;
3091         }
3092
3093         /* Get pf resource */
3094         ret = hns3_query_pf_resource(hw);
3095         if (ret) {
3096                 PMD_INIT_LOG(ERR, "Failed to query pf resource: %d", ret);
3097                 return ret;
3098         }
3099
3100         ret = hns3_get_board_configuration(hw);
3101         if (ret)
3102                 PMD_INIT_LOG(ERR, "failed to get board configuration: %d", ret);
3103
3104         return ret;
3105 }
3106
3107 static int
3108 hns3_map_tqps_to_func(struct hns3_hw *hw, uint16_t func_id, uint16_t tqp_pid,
3109                       uint16_t tqp_vid, bool is_pf)
3110 {
3111         struct hns3_tqp_map_cmd *req;
3112         struct hns3_cmd_desc desc;
3113         int ret;
3114
3115         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_SET_TQP_MAP, false);
3116
3117         req = (struct hns3_tqp_map_cmd *)desc.data;
3118         req->tqp_id = rte_cpu_to_le_16(tqp_pid);
3119         req->tqp_vf = func_id;
3120         req->tqp_flag = 1 << HNS3_TQP_MAP_EN_B;
3121         if (!is_pf)
3122                 req->tqp_flag |= (1 << HNS3_TQP_MAP_TYPE_B);
3123         req->tqp_vid = rte_cpu_to_le_16(tqp_vid);
3124
3125         ret = hns3_cmd_send(hw, &desc, 1);
3126         if (ret)
3127                 PMD_INIT_LOG(ERR, "TQP map failed %d", ret);
3128
3129         return ret;
3130 }
3131
3132 static int
3133 hns3_map_tqp(struct hns3_hw *hw)
3134 {
3135         int ret;
3136         int i;
3137
3138         /*
3139          * In current version, VF is not supported when PF is driven by DPDK
3140          * driver, so we assign total tqps_num tqps allocated to this port
3141          * to PF.
3142          */
3143         for (i = 0; i < hw->total_tqps_num; i++) {
3144                 ret = hns3_map_tqps_to_func(hw, HNS3_PF_FUNC_ID, i, i, true);
3145                 if (ret)
3146                         return ret;
3147         }
3148
3149         return 0;
3150 }
3151
3152 static int
3153 hns3_cfg_mac_speed_dup_hw(struct hns3_hw *hw, uint32_t speed, uint8_t duplex)
3154 {
3155         struct hns3_config_mac_speed_dup_cmd *req;
3156         struct hns3_cmd_desc desc;
3157         int ret;
3158
3159         req = (struct hns3_config_mac_speed_dup_cmd *)desc.data;
3160
3161         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CONFIG_SPEED_DUP, false);
3162
3163         hns3_set_bit(req->speed_dup, HNS3_CFG_DUPLEX_B, !!duplex ? 1 : 0);
3164
3165         switch (speed) {
3166         case ETH_SPEED_NUM_10M:
3167                 hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
3168                                HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_10M);
3169                 break;
3170         case ETH_SPEED_NUM_100M:
3171                 hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
3172                                HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_100M);
3173                 break;
3174         case ETH_SPEED_NUM_1G:
3175                 hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
3176                                HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_1G);
3177                 break;
3178         case ETH_SPEED_NUM_10G:
3179                 hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
3180                                HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_10G);
3181                 break;
3182         case ETH_SPEED_NUM_25G:
3183                 hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
3184                                HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_25G);
3185                 break;
3186         case ETH_SPEED_NUM_40G:
3187                 hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
3188                                HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_40G);
3189                 break;
3190         case ETH_SPEED_NUM_50G:
3191                 hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
3192                                HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_50G);
3193                 break;
3194         case ETH_SPEED_NUM_100G:
3195                 hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
3196                                HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_100G);
3197                 break;
3198         case ETH_SPEED_NUM_200G:
3199                 hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
3200                                HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_200G);
3201                 break;
3202         default:
3203                 PMD_INIT_LOG(ERR, "invalid speed (%u)", speed);
3204                 return -EINVAL;
3205         }
3206
3207         hns3_set_bit(req->mac_change_fec_en, HNS3_CFG_MAC_SPEED_CHANGE_EN_B, 1);
3208
3209         ret = hns3_cmd_send(hw, &desc, 1);
3210         if (ret)
3211                 PMD_INIT_LOG(ERR, "mac speed/duplex config cmd failed %d", ret);
3212
3213         return ret;
3214 }
3215
3216 static int
3217 hns3_tx_buffer_calc(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
3218 {
3219         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3220         struct hns3_pf *pf = &hns->pf;
3221         struct hns3_priv_buf *priv;
3222         uint32_t i, total_size;
3223
3224         total_size = pf->pkt_buf_size;
3225
3226         /* alloc tx buffer for all enabled tc */
3227         for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3228                 priv = &buf_alloc->priv_buf[i];
3229
3230                 if (hw->hw_tc_map & BIT(i)) {
3231                         if (total_size < pf->tx_buf_size)
3232                                 return -ENOMEM;
3233
3234                         priv->tx_buf_size = pf->tx_buf_size;
3235                 } else
3236                         priv->tx_buf_size = 0;
3237
3238                 total_size -= priv->tx_buf_size;
3239         }
3240
3241         return 0;
3242 }
3243
3244 static int
3245 hns3_tx_buffer_alloc(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
3246 {
3247 /* TX buffer size is unit by 128 byte */
3248 #define HNS3_BUF_SIZE_UNIT_SHIFT        7
3249 #define HNS3_BUF_SIZE_UPDATE_EN_MSK     BIT(15)
3250         struct hns3_tx_buff_alloc_cmd *req;
3251         struct hns3_cmd_desc desc;
3252         uint32_t buf_size;
3253         uint32_t i;
3254         int ret;
3255
3256         req = (struct hns3_tx_buff_alloc_cmd *)desc.data;
3257
3258         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_TX_BUFF_ALLOC, 0);
3259         for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3260                 buf_size = buf_alloc->priv_buf[i].tx_buf_size;
3261
3262                 buf_size = buf_size >> HNS3_BUF_SIZE_UNIT_SHIFT;
3263                 req->tx_pkt_buff[i] = rte_cpu_to_le_16(buf_size |
3264                                                 HNS3_BUF_SIZE_UPDATE_EN_MSK);
3265         }
3266
3267         ret = hns3_cmd_send(hw, &desc, 1);
3268         if (ret)
3269                 PMD_INIT_LOG(ERR, "tx buffer alloc cmd failed %d", ret);
3270
3271         return ret;
3272 }
3273
3274 static int
3275 hns3_get_tc_num(struct hns3_hw *hw)
3276 {
3277         int cnt = 0;
3278         uint8_t i;
3279
3280         for (i = 0; i < HNS3_MAX_TC_NUM; i++)
3281                 if (hw->hw_tc_map & BIT(i))
3282                         cnt++;
3283         return cnt;
3284 }
3285
3286 static uint32_t
3287 hns3_get_rx_priv_buff_alloced(struct hns3_pkt_buf_alloc *buf_alloc)
3288 {
3289         struct hns3_priv_buf *priv;
3290         uint32_t rx_priv = 0;
3291         int i;
3292
3293         for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3294                 priv = &buf_alloc->priv_buf[i];
3295                 if (priv->enable)
3296                         rx_priv += priv->buf_size;
3297         }
3298         return rx_priv;
3299 }
3300
3301 static uint32_t
3302 hns3_get_tx_buff_alloced(struct hns3_pkt_buf_alloc *buf_alloc)
3303 {
3304         uint32_t total_tx_size = 0;
3305         uint32_t i;
3306
3307         for (i = 0; i < HNS3_MAX_TC_NUM; i++)
3308                 total_tx_size += buf_alloc->priv_buf[i].tx_buf_size;
3309
3310         return total_tx_size;
3311 }
3312
3313 /* Get the number of pfc enabled TCs, which have private buffer */
3314 static int
3315 hns3_get_pfc_priv_num(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
3316 {
3317         struct hns3_priv_buf *priv;
3318         int cnt = 0;
3319         uint8_t i;
3320
3321         for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3322                 priv = &buf_alloc->priv_buf[i];
3323                 if ((hw->dcb_info.hw_pfc_map & BIT(i)) && priv->enable)
3324                         cnt++;
3325         }
3326
3327         return cnt;
3328 }
3329
3330 /* Get the number of pfc disabled TCs, which have private buffer */
3331 static int
3332 hns3_get_no_pfc_priv_num(struct hns3_hw *hw,
3333                          struct hns3_pkt_buf_alloc *buf_alloc)
3334 {
3335         struct hns3_priv_buf *priv;
3336         int cnt = 0;
3337         uint8_t i;
3338
3339         for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3340                 priv = &buf_alloc->priv_buf[i];
3341                 if (hw->hw_tc_map & BIT(i) &&
3342                     !(hw->dcb_info.hw_pfc_map & BIT(i)) && priv->enable)
3343                         cnt++;
3344         }
3345
3346         return cnt;
3347 }
3348
3349 static bool
3350 hns3_is_rx_buf_ok(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc,
3351                   uint32_t rx_all)
3352 {
3353         uint32_t shared_buf_min, shared_buf_tc, shared_std, hi_thrd, lo_thrd;
3354         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3355         struct hns3_pf *pf = &hns->pf;
3356         uint32_t shared_buf, aligned_mps;
3357         uint32_t rx_priv;
3358         uint8_t tc_num;
3359         uint8_t i;
3360
3361         tc_num = hns3_get_tc_num(hw);
3362         aligned_mps = roundup(pf->mps, HNS3_BUF_SIZE_UNIT);
3363
3364         if (hns3_dev_dcb_supported(hw))
3365                 shared_buf_min = HNS3_BUF_MUL_BY * aligned_mps +
3366                                         pf->dv_buf_size;
3367         else
3368                 shared_buf_min = aligned_mps + HNS3_NON_DCB_ADDITIONAL_BUF
3369                                         + pf->dv_buf_size;
3370
3371         shared_buf_tc = tc_num * aligned_mps + aligned_mps;
3372         shared_std = roundup(RTE_MAX(shared_buf_min, shared_buf_tc),
3373                              HNS3_BUF_SIZE_UNIT);
3374
3375         rx_priv = hns3_get_rx_priv_buff_alloced(buf_alloc);
3376         if (rx_all < rx_priv + shared_std)
3377                 return false;
3378
3379         shared_buf = rounddown(rx_all - rx_priv, HNS3_BUF_SIZE_UNIT);
3380         buf_alloc->s_buf.buf_size = shared_buf;
3381         if (hns3_dev_dcb_supported(hw)) {
3382                 buf_alloc->s_buf.self.high = shared_buf - pf->dv_buf_size;
3383                 buf_alloc->s_buf.self.low = buf_alloc->s_buf.self.high
3384                         - roundup(aligned_mps / HNS3_BUF_DIV_BY,
3385                                   HNS3_BUF_SIZE_UNIT);
3386         } else {
3387                 buf_alloc->s_buf.self.high =
3388                         aligned_mps + HNS3_NON_DCB_ADDITIONAL_BUF;
3389                 buf_alloc->s_buf.self.low = aligned_mps;
3390         }
3391
3392         if (hns3_dev_dcb_supported(hw)) {
3393                 hi_thrd = shared_buf - pf->dv_buf_size;
3394
3395                 if (tc_num <= NEED_RESERVE_TC_NUM)
3396                         hi_thrd = hi_thrd * BUF_RESERVE_PERCENT
3397                                         / BUF_MAX_PERCENT;
3398
3399                 if (tc_num)
3400                         hi_thrd = hi_thrd / tc_num;
3401
3402                 hi_thrd = RTE_MAX(hi_thrd, HNS3_BUF_MUL_BY * aligned_mps);
3403                 hi_thrd = rounddown(hi_thrd, HNS3_BUF_SIZE_UNIT);
3404                 lo_thrd = hi_thrd - aligned_mps / HNS3_BUF_DIV_BY;
3405         } else {
3406                 hi_thrd = aligned_mps + HNS3_NON_DCB_ADDITIONAL_BUF;
3407                 lo_thrd = aligned_mps;
3408         }
3409
3410         for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3411                 buf_alloc->s_buf.tc_thrd[i].low = lo_thrd;
3412                 buf_alloc->s_buf.tc_thrd[i].high = hi_thrd;
3413         }
3414
3415         return true;
3416 }
3417
3418 static bool
3419 hns3_rx_buf_calc_all(struct hns3_hw *hw, bool max,
3420                      struct hns3_pkt_buf_alloc *buf_alloc)
3421 {
3422         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3423         struct hns3_pf *pf = &hns->pf;
3424         struct hns3_priv_buf *priv;
3425         uint32_t aligned_mps;
3426         uint32_t rx_all;
3427         uint8_t i;
3428
3429         rx_all = pf->pkt_buf_size - hns3_get_tx_buff_alloced(buf_alloc);
3430         aligned_mps = roundup(pf->mps, HNS3_BUF_SIZE_UNIT);
3431
3432         for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3433                 priv = &buf_alloc->priv_buf[i];
3434
3435                 priv->enable = 0;
3436                 priv->wl.low = 0;
3437                 priv->wl.high = 0;
3438                 priv->buf_size = 0;
3439
3440                 if (!(hw->hw_tc_map & BIT(i)))
3441                         continue;
3442
3443                 priv->enable = 1;
3444                 if (hw->dcb_info.hw_pfc_map & BIT(i)) {
3445                         priv->wl.low = max ? aligned_mps : HNS3_BUF_SIZE_UNIT;
3446                         priv->wl.high = roundup(priv->wl.low + aligned_mps,
3447                                                 HNS3_BUF_SIZE_UNIT);
3448                 } else {
3449                         priv->wl.low = 0;
3450                         priv->wl.high = max ? (aligned_mps * HNS3_BUF_MUL_BY) :
3451                                         aligned_mps;
3452                 }
3453
3454                 priv->buf_size = priv->wl.high + pf->dv_buf_size;
3455         }
3456
3457         return hns3_is_rx_buf_ok(hw, buf_alloc, rx_all);
3458 }
3459
3460 static bool
3461 hns3_drop_nopfc_buf_till_fit(struct hns3_hw *hw,
3462                              struct hns3_pkt_buf_alloc *buf_alloc)
3463 {
3464         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3465         struct hns3_pf *pf = &hns->pf;
3466         struct hns3_priv_buf *priv;
3467         int no_pfc_priv_num;
3468         uint32_t rx_all;
3469         uint8_t mask;
3470         int i;
3471
3472         rx_all = pf->pkt_buf_size - hns3_get_tx_buff_alloced(buf_alloc);
3473         no_pfc_priv_num = hns3_get_no_pfc_priv_num(hw, buf_alloc);
3474
3475         /* let the last to be cleared first */
3476         for (i = HNS3_MAX_TC_NUM - 1; i >= 0; i--) {
3477                 priv = &buf_alloc->priv_buf[i];
3478                 mask = BIT((uint8_t)i);
3479
3480                 if (hw->hw_tc_map & mask &&
3481                     !(hw->dcb_info.hw_pfc_map & mask)) {
3482                         /* Clear the no pfc TC private buffer */
3483                         priv->wl.low = 0;
3484                         priv->wl.high = 0;
3485                         priv->buf_size = 0;
3486                         priv->enable = 0;
3487                         no_pfc_priv_num--;
3488                 }
3489
3490                 if (hns3_is_rx_buf_ok(hw, buf_alloc, rx_all) ||
3491                     no_pfc_priv_num == 0)
3492                         break;
3493         }
3494
3495         return hns3_is_rx_buf_ok(hw, buf_alloc, rx_all);
3496 }
3497
3498 static bool
3499 hns3_drop_pfc_buf_till_fit(struct hns3_hw *hw,
3500                            struct hns3_pkt_buf_alloc *buf_alloc)
3501 {
3502         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3503         struct hns3_pf *pf = &hns->pf;
3504         struct hns3_priv_buf *priv;
3505         uint32_t rx_all;
3506         int pfc_priv_num;
3507         uint8_t mask;
3508         int i;
3509
3510         rx_all = pf->pkt_buf_size - hns3_get_tx_buff_alloced(buf_alloc);
3511         pfc_priv_num = hns3_get_pfc_priv_num(hw, buf_alloc);
3512
3513         /* let the last to be cleared first */
3514         for (i = HNS3_MAX_TC_NUM - 1; i >= 0; i--) {
3515                 priv = &buf_alloc->priv_buf[i];
3516                 mask = BIT((uint8_t)i);
3517
3518                 if (hw->hw_tc_map & mask &&
3519                     hw->dcb_info.hw_pfc_map & mask) {
3520                         /* Reduce the number of pfc TC with private buffer */
3521                         priv->wl.low = 0;
3522                         priv->enable = 0;
3523                         priv->wl.high = 0;
3524                         priv->buf_size = 0;
3525                         pfc_priv_num--;
3526                 }
3527                 if (hns3_is_rx_buf_ok(hw, buf_alloc, rx_all) ||
3528                     pfc_priv_num == 0)
3529                         break;
3530         }
3531
3532         return hns3_is_rx_buf_ok(hw, buf_alloc, rx_all);
3533 }
3534
3535 static bool
3536 hns3_only_alloc_priv_buff(struct hns3_hw *hw,
3537                           struct hns3_pkt_buf_alloc *buf_alloc)
3538 {
3539 #define COMPENSATE_BUFFER       0x3C00
3540 #define COMPENSATE_HALF_MPS_NUM 5
3541 #define PRIV_WL_GAP             0x1800
3542         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3543         struct hns3_pf *pf = &hns->pf;
3544         uint32_t tc_num = hns3_get_tc_num(hw);
3545         uint32_t half_mps = pf->mps >> 1;
3546         struct hns3_priv_buf *priv;
3547         uint32_t min_rx_priv;
3548         uint32_t rx_priv;
3549         uint8_t i;
3550
3551         rx_priv = pf->pkt_buf_size - hns3_get_tx_buff_alloced(buf_alloc);
3552         if (tc_num)
3553                 rx_priv = rx_priv / tc_num;
3554
3555         if (tc_num <= NEED_RESERVE_TC_NUM)
3556                 rx_priv = rx_priv * BUF_RESERVE_PERCENT / BUF_MAX_PERCENT;
3557
3558         /*
3559          * Minimum value of private buffer in rx direction (min_rx_priv) is
3560          * equal to "DV + 2.5 * MPS + 15KB". Driver only allocates rx private
3561          * buffer if rx_priv is greater than min_rx_priv.
3562          */
3563         min_rx_priv = pf->dv_buf_size + COMPENSATE_BUFFER +
3564                         COMPENSATE_HALF_MPS_NUM * half_mps;
3565         min_rx_priv = roundup(min_rx_priv, HNS3_BUF_SIZE_UNIT);
3566         rx_priv = rounddown(rx_priv, HNS3_BUF_SIZE_UNIT);
3567
3568         if (rx_priv < min_rx_priv)
3569                 return false;
3570
3571         for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3572                 priv = &buf_alloc->priv_buf[i];
3573
3574                 priv->enable = 0;
3575                 priv->wl.low = 0;
3576                 priv->wl.high = 0;
3577                 priv->buf_size = 0;
3578
3579                 if (!(hw->hw_tc_map & BIT(i)))
3580                         continue;
3581
3582                 priv->enable = 1;
3583                 priv->buf_size = rx_priv;
3584                 priv->wl.high = rx_priv - pf->dv_buf_size;
3585                 priv->wl.low = priv->wl.high - PRIV_WL_GAP;
3586         }
3587
3588         buf_alloc->s_buf.buf_size = 0;
3589
3590         return true;
3591 }
3592
3593 /*
3594  * hns3_rx_buffer_calc: calculate the rx private buffer size for all TCs
3595  * @hw: pointer to struct hns3_hw
3596  * @buf_alloc: pointer to buffer calculation data
3597  * @return: 0: calculate sucessful, negative: fail
3598  */
3599 static int
3600 hns3_rx_buffer_calc(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
3601 {
3602         /* When DCB is not supported, rx private buffer is not allocated. */
3603         if (!hns3_dev_dcb_supported(hw)) {
3604                 struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3605                 struct hns3_pf *pf = &hns->pf;
3606                 uint32_t rx_all = pf->pkt_buf_size;
3607
3608                 rx_all -= hns3_get_tx_buff_alloced(buf_alloc);
3609                 if (!hns3_is_rx_buf_ok(hw, buf_alloc, rx_all))
3610                         return -ENOMEM;
3611
3612                 return 0;
3613         }
3614
3615         /*
3616          * Try to allocate privated packet buffer for all TCs without share
3617          * buffer.
3618          */
3619         if (hns3_only_alloc_priv_buff(hw, buf_alloc))
3620                 return 0;
3621
3622         /*
3623          * Try to allocate privated packet buffer for all TCs with share
3624          * buffer.
3625          */
3626         if (hns3_rx_buf_calc_all(hw, true, buf_alloc))
3627                 return 0;
3628
3629         /*
3630          * For different application scenes, the enabled port number, TC number
3631          * and no_drop TC number are different. In order to obtain the better
3632          * performance, software could allocate the buffer size and configure
3633          * the waterline by tring to decrease the private buffer size according
3634          * to the order, namely, waterline of valided tc, pfc disabled tc, pfc
3635          * enabled tc.
3636          */
3637         if (hns3_rx_buf_calc_all(hw, false, buf_alloc))
3638                 return 0;
3639
3640         if (hns3_drop_nopfc_buf_till_fit(hw, buf_alloc))
3641                 return 0;
3642
3643         if (hns3_drop_pfc_buf_till_fit(hw, buf_alloc))
3644                 return 0;
3645
3646         return -ENOMEM;
3647 }
3648
3649 static int
3650 hns3_rx_priv_buf_alloc(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
3651 {
3652         struct hns3_rx_priv_buff_cmd *req;
3653         struct hns3_cmd_desc desc;
3654         uint32_t buf_size;
3655         int ret;
3656         int i;
3657
3658         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_RX_PRIV_BUFF_ALLOC, false);
3659         req = (struct hns3_rx_priv_buff_cmd *)desc.data;
3660
3661         /* Alloc private buffer TCs */
3662         for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
3663                 struct hns3_priv_buf *priv = &buf_alloc->priv_buf[i];
3664
3665                 req->buf_num[i] =
3666                         rte_cpu_to_le_16(priv->buf_size >> HNS3_BUF_UNIT_S);
3667                 req->buf_num[i] |= rte_cpu_to_le_16(1 << HNS3_TC0_PRI_BUF_EN_B);
3668         }
3669
3670         buf_size = buf_alloc->s_buf.buf_size;
3671         req->shared_buf = rte_cpu_to_le_16((buf_size >> HNS3_BUF_UNIT_S) |
3672                                            (1 << HNS3_TC0_PRI_BUF_EN_B));
3673
3674         ret = hns3_cmd_send(hw, &desc, 1);
3675         if (ret)
3676                 PMD_INIT_LOG(ERR, "rx private buffer alloc cmd failed %d", ret);
3677
3678         return ret;
3679 }
3680
3681 static int
3682 hns3_rx_priv_wl_config(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
3683 {
3684 #define HNS3_RX_PRIV_WL_ALLOC_DESC_NUM 2
3685         struct hns3_rx_priv_wl_buf *req;
3686         struct hns3_priv_buf *priv;
3687         struct hns3_cmd_desc desc[HNS3_RX_PRIV_WL_ALLOC_DESC_NUM];
3688         int i, j;
3689         int ret;
3690
3691         for (i = 0; i < HNS3_RX_PRIV_WL_ALLOC_DESC_NUM; i++) {
3692                 hns3_cmd_setup_basic_desc(&desc[i], HNS3_OPC_RX_PRIV_WL_ALLOC,
3693                                           false);
3694                 req = (struct hns3_rx_priv_wl_buf *)desc[i].data;
3695
3696                 /* The first descriptor set the NEXT bit to 1 */
3697                 if (i == 0)
3698                         desc[i].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
3699                 else
3700                         desc[i].flag &= ~rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
3701
3702                 for (j = 0; j < HNS3_TC_NUM_ONE_DESC; j++) {
3703                         uint32_t idx = i * HNS3_TC_NUM_ONE_DESC + j;
3704
3705                         priv = &buf_alloc->priv_buf[idx];
3706                         req->tc_wl[j].high = rte_cpu_to_le_16(priv->wl.high >>
3707                                                         HNS3_BUF_UNIT_S);
3708                         req->tc_wl[j].high |=
3709                                 rte_cpu_to_le_16(BIT(HNS3_RX_PRIV_EN_B));
3710                         req->tc_wl[j].low = rte_cpu_to_le_16(priv->wl.low >>
3711                                                         HNS3_BUF_UNIT_S);
3712                         req->tc_wl[j].low |=
3713                                 rte_cpu_to_le_16(BIT(HNS3_RX_PRIV_EN_B));
3714                 }
3715         }
3716
3717         /* Send 2 descriptor at one time */
3718         ret = hns3_cmd_send(hw, desc, HNS3_RX_PRIV_WL_ALLOC_DESC_NUM);
3719         if (ret)
3720                 PMD_INIT_LOG(ERR, "rx private waterline config cmd failed %d",
3721                              ret);
3722         return ret;
3723 }
3724
3725 static int
3726 hns3_common_thrd_config(struct hns3_hw *hw,
3727                         struct hns3_pkt_buf_alloc *buf_alloc)
3728 {
3729 #define HNS3_RX_COM_THRD_ALLOC_DESC_NUM 2
3730         struct hns3_shared_buf *s_buf = &buf_alloc->s_buf;
3731         struct hns3_rx_com_thrd *req;
3732         struct hns3_cmd_desc desc[HNS3_RX_COM_THRD_ALLOC_DESC_NUM];
3733         struct hns3_tc_thrd *tc;
3734         int tc_idx;
3735         int i, j;
3736         int ret;
3737
3738         for (i = 0; i < HNS3_RX_COM_THRD_ALLOC_DESC_NUM; i++) {
3739                 hns3_cmd_setup_basic_desc(&desc[i], HNS3_OPC_RX_COM_THRD_ALLOC,
3740                                           false);
3741                 req = (struct hns3_rx_com_thrd *)&desc[i].data;
3742
3743                 /* The first descriptor set the NEXT bit to 1 */
3744                 if (i == 0)
3745                         desc[i].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
3746                 else
3747                         desc[i].flag &= ~rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
3748
3749                 for (j = 0; j < HNS3_TC_NUM_ONE_DESC; j++) {
3750                         tc_idx = i * HNS3_TC_NUM_ONE_DESC + j;
3751                         tc = &s_buf->tc_thrd[tc_idx];
3752
3753                         req->com_thrd[j].high =
3754                                 rte_cpu_to_le_16(tc->high >> HNS3_BUF_UNIT_S);
3755                         req->com_thrd[j].high |=
3756                                  rte_cpu_to_le_16(BIT(HNS3_RX_PRIV_EN_B));
3757                         req->com_thrd[j].low =
3758                                 rte_cpu_to_le_16(tc->low >> HNS3_BUF_UNIT_S);
3759                         req->com_thrd[j].low |=
3760                                  rte_cpu_to_le_16(BIT(HNS3_RX_PRIV_EN_B));
3761                 }
3762         }
3763
3764         /* Send 2 descriptors at one time */
3765         ret = hns3_cmd_send(hw, desc, HNS3_RX_COM_THRD_ALLOC_DESC_NUM);
3766         if (ret)
3767                 PMD_INIT_LOG(ERR, "common threshold config cmd failed %d", ret);
3768
3769         return ret;
3770 }
3771
3772 static int
3773 hns3_common_wl_config(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
3774 {
3775         struct hns3_shared_buf *buf = &buf_alloc->s_buf;
3776         struct hns3_rx_com_wl *req;
3777         struct hns3_cmd_desc desc;
3778         int ret;
3779
3780         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_RX_COM_WL_ALLOC, false);
3781
3782         req = (struct hns3_rx_com_wl *)desc.data;
3783         req->com_wl.high = rte_cpu_to_le_16(buf->self.high >> HNS3_BUF_UNIT_S);
3784         req->com_wl.high |= rte_cpu_to_le_16(BIT(HNS3_RX_PRIV_EN_B));
3785
3786         req->com_wl.low = rte_cpu_to_le_16(buf->self.low >> HNS3_BUF_UNIT_S);
3787         req->com_wl.low |= rte_cpu_to_le_16(BIT(HNS3_RX_PRIV_EN_B));
3788
3789         ret = hns3_cmd_send(hw, &desc, 1);
3790         if (ret)
3791                 PMD_INIT_LOG(ERR, "common waterline config cmd failed %d", ret);
3792
3793         return ret;
3794 }
3795
3796 int
3797 hns3_buffer_alloc(struct hns3_hw *hw)
3798 {
3799         struct hns3_pkt_buf_alloc pkt_buf;
3800         int ret;
3801
3802         memset(&pkt_buf, 0, sizeof(pkt_buf));
3803         ret = hns3_tx_buffer_calc(hw, &pkt_buf);
3804         if (ret) {
3805                 PMD_INIT_LOG(ERR,
3806                              "could not calc tx buffer size for all TCs %d",
3807                              ret);
3808                 return ret;
3809         }
3810
3811         ret = hns3_tx_buffer_alloc(hw, &pkt_buf);
3812         if (ret) {
3813                 PMD_INIT_LOG(ERR, "could not alloc tx buffers %d", ret);
3814                 return ret;
3815         }
3816
3817         ret = hns3_rx_buffer_calc(hw, &pkt_buf);
3818         if (ret) {
3819                 PMD_INIT_LOG(ERR,
3820                              "could not calc rx priv buffer size for all TCs %d",
3821                              ret);
3822                 return ret;
3823         }
3824
3825         ret = hns3_rx_priv_buf_alloc(hw, &pkt_buf);
3826         if (ret) {
3827                 PMD_INIT_LOG(ERR, "could not alloc rx priv buffer %d", ret);
3828                 return ret;
3829         }
3830
3831         if (hns3_dev_dcb_supported(hw)) {
3832                 ret = hns3_rx_priv_wl_config(hw, &pkt_buf);
3833                 if (ret) {
3834                         PMD_INIT_LOG(ERR,
3835                                      "could not configure rx private waterline %d",
3836                                      ret);
3837                         return ret;
3838                 }
3839
3840                 ret = hns3_common_thrd_config(hw, &pkt_buf);
3841                 if (ret) {
3842                         PMD_INIT_LOG(ERR,
3843                                      "could not configure common threshold %d",
3844                                      ret);
3845                         return ret;
3846                 }
3847         }
3848
3849         ret = hns3_common_wl_config(hw, &pkt_buf);
3850         if (ret)
3851                 PMD_INIT_LOG(ERR, "could not configure common waterline %d",
3852                              ret);
3853
3854         return ret;
3855 }
3856
3857 static int
3858 hns3_mac_init(struct hns3_hw *hw)
3859 {
3860         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
3861         struct hns3_mac *mac = &hw->mac;
3862         struct hns3_pf *pf = &hns->pf;
3863         int ret;
3864
3865         pf->support_sfp_query = true;
3866         mac->link_duplex = ETH_LINK_FULL_DUPLEX;
3867         ret = hns3_cfg_mac_speed_dup_hw(hw, mac->link_speed, mac->link_duplex);
3868         if (ret) {
3869                 PMD_INIT_LOG(ERR, "Config mac speed dup fail ret = %d", ret);
3870                 return ret;
3871         }
3872
3873         mac->link_status = ETH_LINK_DOWN;
3874
3875         return hns3_config_mtu(hw, pf->mps);
3876 }
3877
3878 static int
3879 hns3_get_mac_ethertype_cmd_status(uint16_t cmdq_resp, uint8_t resp_code)
3880 {
3881 #define HNS3_ETHERTYPE_SUCCESS_ADD              0
3882 #define HNS3_ETHERTYPE_ALREADY_ADD              1
3883 #define HNS3_ETHERTYPE_MGR_TBL_OVERFLOW         2
3884 #define HNS3_ETHERTYPE_KEY_CONFLICT             3
3885         int return_status;
3886
3887         if (cmdq_resp) {
3888                 PMD_INIT_LOG(ERR,
3889                              "cmdq execute failed for get_mac_ethertype_cmd_status, status=%d.\n",
3890                              cmdq_resp);
3891                 return -EIO;
3892         }
3893
3894         switch (resp_code) {
3895         case HNS3_ETHERTYPE_SUCCESS_ADD:
3896         case HNS3_ETHERTYPE_ALREADY_ADD:
3897                 return_status = 0;
3898                 break;
3899         case HNS3_ETHERTYPE_MGR_TBL_OVERFLOW:
3900                 PMD_INIT_LOG(ERR,
3901                              "add mac ethertype failed for manager table overflow.");
3902                 return_status = -EIO;
3903                 break;
3904         case HNS3_ETHERTYPE_KEY_CONFLICT:
3905                 PMD_INIT_LOG(ERR, "add mac ethertype failed for key conflict.");
3906                 return_status = -EIO;
3907                 break;
3908         default:
3909                 PMD_INIT_LOG(ERR,
3910                              "add mac ethertype failed for undefined, code=%d.",
3911                              resp_code);
3912                 return_status = -EIO;
3913                 break;
3914         }
3915
3916         return return_status;
3917 }
3918
3919 static int
3920 hns3_add_mgr_tbl(struct hns3_hw *hw,
3921                  const struct hns3_mac_mgr_tbl_entry_cmd *req)
3922 {
3923         struct hns3_cmd_desc desc;
3924         uint8_t resp_code;
3925         uint16_t retval;
3926         int ret;
3927
3928         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_MAC_ETHTYPE_ADD, false);
3929         memcpy(desc.data, req, sizeof(struct hns3_mac_mgr_tbl_entry_cmd));
3930
3931         ret = hns3_cmd_send(hw, &desc, 1);
3932         if (ret) {
3933                 PMD_INIT_LOG(ERR,
3934                              "add mac ethertype failed for cmd_send, ret =%d.",
3935                              ret);
3936                 return ret;
3937         }
3938
3939         resp_code = (rte_le_to_cpu_32(desc.data[0]) >> 8) & 0xff;
3940         retval = rte_le_to_cpu_16(desc.retval);
3941
3942         return hns3_get_mac_ethertype_cmd_status(retval, resp_code);
3943 }
3944
3945 static void
3946 hns3_prepare_mgr_tbl(struct hns3_mac_mgr_tbl_entry_cmd *mgr_table,
3947                      int *table_item_num)
3948 {
3949         struct hns3_mac_mgr_tbl_entry_cmd *tbl;
3950
3951         /*
3952          * In current version, we add one item in management table as below:
3953          * 0x0180C200000E -- LLDP MC address
3954          */
3955         tbl = mgr_table;
3956         tbl->flags = HNS3_MAC_MGR_MASK_VLAN_B;
3957         tbl->ethter_type = rte_cpu_to_le_16(HNS3_MAC_ETHERTYPE_LLDP);
3958         tbl->mac_addr_hi32 = rte_cpu_to_le_32(htonl(0x0180C200));
3959         tbl->mac_addr_lo16 = rte_cpu_to_le_16(htons(0x000E));
3960         tbl->i_port_bitmap = 0x1;
3961         *table_item_num = 1;
3962 }
3963
3964 static int
3965 hns3_init_mgr_tbl(struct hns3_hw *hw)
3966 {
3967 #define HNS_MAC_MGR_TBL_MAX_SIZE        16
3968         struct hns3_mac_mgr_tbl_entry_cmd mgr_table[HNS_MAC_MGR_TBL_MAX_SIZE];
3969         int table_item_num;
3970         int ret;
3971         int i;
3972
3973         memset(mgr_table, 0, sizeof(mgr_table));
3974         hns3_prepare_mgr_tbl(mgr_table, &table_item_num);
3975         for (i = 0; i < table_item_num; i++) {
3976                 ret = hns3_add_mgr_tbl(hw, &mgr_table[i]);
3977                 if (ret) {
3978                         PMD_INIT_LOG(ERR, "add mac ethertype failed, ret =%d",
3979                                      ret);
3980                         return ret;
3981                 }
3982         }
3983
3984         return 0;
3985 }
3986
3987 static void
3988 hns3_promisc_param_init(struct hns3_promisc_param *param, bool en_uc,
3989                         bool en_mc, bool en_bc, int vport_id)
3990 {
3991         if (!param)
3992                 return;
3993
3994         memset(param, 0, sizeof(struct hns3_promisc_param));
3995         if (en_uc)
3996                 param->enable = HNS3_PROMISC_EN_UC;
3997         if (en_mc)
3998                 param->enable |= HNS3_PROMISC_EN_MC;
3999         if (en_bc)
4000                 param->enable |= HNS3_PROMISC_EN_BC;
4001         param->vf_id = vport_id;
4002 }
4003
4004 static int
4005 hns3_cmd_set_promisc_mode(struct hns3_hw *hw, struct hns3_promisc_param *param)
4006 {
4007         struct hns3_promisc_cfg_cmd *req;
4008         struct hns3_cmd_desc desc;
4009         int ret;
4010
4011         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CFG_PROMISC_MODE, false);
4012
4013         req = (struct hns3_promisc_cfg_cmd *)desc.data;
4014         req->vf_id = param->vf_id;
4015         req->flag = (param->enable << HNS3_PROMISC_EN_B) |
4016             HNS3_PROMISC_TX_EN_B | HNS3_PROMISC_RX_EN_B;
4017
4018         ret = hns3_cmd_send(hw, &desc, 1);
4019         if (ret)
4020                 PMD_INIT_LOG(ERR, "Set promisc mode fail, ret = %d", ret);
4021
4022         return ret;
4023 }
4024
4025 static int
4026 hns3_set_promisc_mode(struct hns3_hw *hw, bool en_uc_pmc, bool en_mc_pmc)
4027 {
4028         struct hns3_promisc_param param;
4029         bool en_bc_pmc = true;
4030         uint8_t vf_id;
4031
4032         /*
4033          * In current version VF is not supported when PF is driven by DPDK
4034          * driver, just need to configure parameters for PF vport.
4035          */
4036         vf_id = HNS3_PF_FUNC_ID;
4037
4038         hns3_promisc_param_init(&param, en_uc_pmc, en_mc_pmc, en_bc_pmc, vf_id);
4039         return hns3_cmd_set_promisc_mode(hw, &param);
4040 }
4041
4042 static int
4043 hns3_promisc_init(struct hns3_hw *hw)
4044 {
4045         struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
4046         struct hns3_pf *pf = &hns->pf;
4047         struct hns3_promisc_param param;
4048         uint16_t func_id;
4049         int ret;
4050
4051         ret = hns3_set_promisc_mode(hw, false, false);
4052         if (ret) {
4053                 PMD_INIT_LOG(ERR, "failed to set promisc mode, ret = %d", ret);
4054                 return ret;
4055         }
4056
4057         /*
4058          * In current version VFs are not supported when PF is driven by DPDK
4059          * driver. After PF has been taken over by DPDK, the original VF will
4060          * be invalid. So, there is a possibility of entry residues. It should
4061          * clear VFs's promisc mode to avoid unnecessary bandwidth usage
4062          * during init.
4063          */
4064         for (func_id = HNS3_1ST_VF_FUNC_ID; func_id < pf->func_num; func_id++) {
4065                 hns3_promisc_param_init(&param, false, false, false, func_id);
4066                 ret = hns3_cmd_set_promisc_mode(hw, &param);
4067                 if (ret) {
4068                         PMD_INIT_LOG(ERR, "failed to clear vf:%d promisc mode,"
4069                                         " ret = %d", func_id, ret);
4070                         return ret;
4071                 }
4072         }
4073
4074         return 0;
4075 }
4076
4077 static void
4078 hns3_promisc_uninit(struct hns3_hw *hw)
4079 {
4080         struct hns3_promisc_param param;
4081         uint16_t func_id;
4082         int ret;
4083
4084         func_id = HNS3_PF_FUNC_ID;
4085
4086         /*
4087          * In current version VFs are not supported when PF is driven by
4088          * DPDK driver, and VFs' promisc mode status has been cleared during
4089          * init and their status will not change. So just clear PF's promisc
4090          * mode status during uninit.
4091          */
4092         hns3_promisc_param_init(&param, false, false, false, func_id);
4093         ret = hns3_cmd_set_promisc_mode(hw, &param);
4094         if (ret)
4095                 PMD_INIT_LOG(ERR, "failed to clear promisc status during"
4096                                 " uninit, ret = %d", ret);
4097 }
4098
4099 static int
4100 hns3_dev_promiscuous_enable(struct rte_eth_dev *dev)
4101 {
4102         bool allmulti = dev->data->all_multicast ? true : false;
4103         struct hns3_adapter *hns = dev->data->dev_private;
4104         struct hns3_hw *hw = &hns->hw;
4105         uint64_t offloads;
4106         int err;
4107         int ret;
4108
4109         rte_spinlock_lock(&hw->lock);
4110         ret = hns3_set_promisc_mode(hw, true, true);
4111         if (ret) {
4112                 rte_spinlock_unlock(&hw->lock);
4113                 hns3_err(hw, "failed to enable promiscuous mode, ret = %d",
4114                          ret);
4115                 return ret;
4116         }
4117
4118         /*
4119          * When promiscuous mode was enabled, disable the vlan filter to let
4120          * all packets coming in in the receiving direction.
4121          */
4122         offloads = dev->data->dev_conf.rxmode.offloads;
4123         if (offloads & DEV_RX_OFFLOAD_VLAN_FILTER) {
4124                 ret = hns3_enable_vlan_filter(hns, false);
4125                 if (ret) {
4126                         hns3_err(hw, "failed to enable promiscuous mode due to "
4127                                      "failure to disable vlan filter, ret = %d",
4128                                  ret);
4129                         err = hns3_set_promisc_mode(hw, false, allmulti);
4130                         if (err)
4131                                 hns3_err(hw, "failed to restore promiscuous "
4132                                          "status after disable vlan filter "
4133                                          "failed during enabling promiscuous "
4134                                          "mode, ret = %d", ret);
4135                 }
4136         }
4137
4138         rte_spinlock_unlock(&hw->lock);
4139
4140         return ret;
4141 }
4142
4143 static int
4144 hns3_dev_promiscuous_disable(struct rte_eth_dev *dev)
4145 {
4146         bool allmulti = dev->data->all_multicast ? true : false;
4147         struct hns3_adapter *hns = dev->data->dev_private;
4148         struct hns3_hw *hw = &hns->hw;
4149         uint64_t offloads;
4150         int err;
4151         int ret;
4152
4153         /* If now in all_multicast mode, must remain in all_multicast mode. */
4154         rte_spinlock_lock(&hw->lock);
4155         ret = hns3_set_promisc_mode(hw, false, allmulti);
4156         if (ret) {
4157                 rte_spinlock_unlock(&hw->lock);
4158                 hns3_err(hw, "failed to disable promiscuous mode, ret = %d",
4159                          ret);
4160                 return ret;
4161         }
4162         /* when promiscuous mode was disabled, restore the vlan filter status */
4163         offloads = dev->data->dev_conf.rxmode.offloads;
4164         if (offloads & DEV_RX_OFFLOAD_VLAN_FILTER) {
4165                 ret = hns3_enable_vlan_filter(hns, true);
4166                 if (ret) {
4167                         hns3_err(hw, "failed to disable promiscuous mode due to"
4168                                  " failure to restore vlan filter, ret = %d",
4169                                  ret);
4170                         err = hns3_set_promisc_mode(hw, true, true);
4171                         if (err)
4172                                 hns3_err(hw, "failed to restore promiscuous "
4173                                          "status after enabling vlan filter "
4174                                          "failed during disabling promiscuous "
4175                                          "mode, ret = %d", ret);
4176                 }
4177         }
4178         rte_spinlock_unlock(&hw->lock);
4179
4180         return ret;
4181 }
4182
4183 static int
4184 hns3_dev_allmulticast_enable(struct rte_eth_dev *dev)
4185 {
4186         struct hns3_adapter *hns = dev->data->dev_private;
4187         struct hns3_hw *hw = &hns->hw;
4188         int ret;
4189
4190         if (dev->data->promiscuous)
4191                 return 0;
4192
4193         rte_spinlock_lock(&hw->lock);
4194         ret = hns3_set_promisc_mode(hw, false, true);
4195         rte_spinlock_unlock(&hw->lock);
4196         if (ret)
4197                 hns3_err(hw, "failed to enable allmulticast mode, ret = %d",
4198                          ret);
4199
4200         return ret;
4201 }
4202
4203 static int
4204 hns3_dev_allmulticast_disable(struct rte_eth_dev *dev)
4205 {
4206         struct hns3_adapter *hns = dev->data->dev_private;
4207         struct hns3_hw *hw = &hns->hw;
4208         int ret;
4209
4210         /* If now in promiscuous mode, must remain in all_multicast mode. */
4211         if (dev->data->promiscuous)
4212                 return 0;
4213
4214         rte_spinlock_lock(&hw->lock);
4215         ret = hns3_set_promisc_mode(hw, false, false);
4216         rte_spinlock_unlock(&hw->lock);
4217         if (ret)
4218                 hns3_err(hw, "failed to disable allmulticast mode, ret = %d",
4219                          ret);
4220
4221         return ret;
4222 }
4223
4224 static int
4225 hns3_dev_promisc_restore(struct hns3_adapter *hns)
4226 {
4227         struct hns3_hw *hw = &hns->hw;
4228         bool allmulti = hw->data->all_multicast ? true : false;
4229         int ret;
4230
4231         if (hw->data->promiscuous) {
4232                 ret = hns3_set_promisc_mode(hw, true, true);
4233                 if (ret)
4234                         hns3_err(hw, "failed to restore promiscuous mode, "
4235                                  "ret = %d", ret);
4236                 return ret;
4237         }
4238
4239         ret = hns3_set_promisc_mode(hw, false, allmulti);
4240         if (ret)
4241                 hns3_err(hw, "failed to restore allmulticast mode, ret = %d",
4242                          ret);
4243         return ret;
4244 }
4245
4246 static int
4247 hns3_get_sfp_speed(struct hns3_hw *hw, uint32_t *speed)
4248 {
4249         struct hns3_sfp_speed_cmd *resp;
4250         struct hns3_cmd_desc desc;
4251         int ret;
4252
4253         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_SFP_GET_SPEED, true);
4254         resp = (struct hns3_sfp_speed_cmd *)desc.data;
4255         ret = hns3_cmd_send(hw, &desc, 1);
4256         if (ret == -EOPNOTSUPP) {
4257                 hns3_err(hw, "IMP do not support get SFP speed %d", ret);
4258                 return ret;
4259         } else if (ret) {
4260                 hns3_err(hw, "get sfp speed failed %d", ret);
4261                 return ret;
4262         }
4263
4264         *speed = resp->sfp_speed;
4265
4266         return 0;
4267 }
4268
4269 static uint8_t
4270 hns3_check_speed_dup(uint8_t duplex, uint32_t speed)
4271 {
4272         if (!(speed == ETH_SPEED_NUM_10M || speed == ETH_SPEED_NUM_100M))
4273                 duplex = ETH_LINK_FULL_DUPLEX;
4274
4275         return duplex;
4276 }
4277
4278 static int
4279 hns3_cfg_mac_speed_dup(struct hns3_hw *hw, uint32_t speed, uint8_t duplex)
4280 {
4281         struct hns3_mac *mac = &hw->mac;
4282         int ret;
4283
4284         duplex = hns3_check_speed_dup(duplex, speed);
4285         if (mac->link_speed == speed && mac->link_duplex == duplex)
4286                 return 0;
4287
4288         ret = hns3_cfg_mac_speed_dup_hw(hw, speed, duplex);
4289         if (ret)
4290                 return ret;
4291
4292         mac->link_speed = speed;
4293         mac->link_duplex = duplex;
4294
4295         return 0;
4296 }
4297
4298 static int
4299 hns3_update_speed_duplex(struct rte_eth_dev *eth_dev)
4300 {
4301         struct hns3_adapter *hns = eth_dev->data->dev_private;
4302         struct hns3_hw *hw = &hns->hw;
4303         struct hns3_pf *pf = &hns->pf;
4304         uint32_t speed;
4305         int ret;
4306
4307         /* If IMP do not support get SFP/qSFP speed, return directly */
4308         if (!pf->support_sfp_query)
4309                 return 0;
4310
4311         ret = hns3_get_sfp_speed(hw, &speed);
4312         if (ret == -EOPNOTSUPP) {
4313                 pf->support_sfp_query = false;
4314                 return ret;
4315         } else if (ret)
4316                 return ret;
4317
4318         if (speed == ETH_SPEED_NUM_NONE)
4319                 return 0; /* do nothing if no SFP */
4320
4321         /* Config full duplex for SFP */
4322         return hns3_cfg_mac_speed_dup(hw, speed, ETH_LINK_FULL_DUPLEX);
4323 }
4324
4325 static int
4326 hns3_cfg_mac_mode(struct hns3_hw *hw, bool enable)
4327 {
4328         struct hns3_config_mac_mode_cmd *req;
4329         struct hns3_cmd_desc desc;
4330         uint32_t loop_en = 0;
4331         uint8_t val = 0;
4332         int ret;
4333
4334         req = (struct hns3_config_mac_mode_cmd *)desc.data;
4335
4336         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CONFIG_MAC_MODE, false);
4337         if (enable)
4338                 val = 1;
4339         hns3_set_bit(loop_en, HNS3_MAC_TX_EN_B, val);
4340         hns3_set_bit(loop_en, HNS3_MAC_RX_EN_B, val);
4341         hns3_set_bit(loop_en, HNS3_MAC_PAD_TX_B, val);
4342         hns3_set_bit(loop_en, HNS3_MAC_PAD_RX_B, val);
4343         hns3_set_bit(loop_en, HNS3_MAC_1588_TX_B, 0);
4344         hns3_set_bit(loop_en, HNS3_MAC_1588_RX_B, 0);
4345         hns3_set_bit(loop_en, HNS3_MAC_APP_LP_B, 0);
4346         hns3_set_bit(loop_en, HNS3_MAC_LINE_LP_B, 0);
4347         hns3_set_bit(loop_en, HNS3_MAC_FCS_TX_B, val);
4348         hns3_set_bit(loop_en, HNS3_MAC_RX_FCS_B, val);
4349
4350         /*
4351          * If DEV_RX_OFFLOAD_KEEP_CRC offload is set, MAC will not strip CRC
4352          * when receiving frames. Otherwise, CRC will be stripped.
4353          */
4354         if (hw->data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_KEEP_CRC)
4355                 hns3_set_bit(loop_en, HNS3_MAC_RX_FCS_STRIP_B, 0);
4356         else
4357                 hns3_set_bit(loop_en, HNS3_MAC_RX_FCS_STRIP_B, val);
4358         hns3_set_bit(loop_en, HNS3_MAC_TX_OVERSIZE_TRUNCATE_B, val);
4359         hns3_set_bit(loop_en, HNS3_MAC_RX_OVERSIZE_TRUNCATE_B, val);
4360         hns3_set_bit(loop_en, HNS3_MAC_TX_UNDER_MIN_ERR_B, val);
4361         req->txrx_pad_fcs_loop_en = rte_cpu_to_le_32(loop_en);
4362
4363         ret = hns3_cmd_send(hw, &desc, 1);
4364         if (ret)
4365                 PMD_INIT_LOG(ERR, "mac enable fail, ret =%d.", ret);
4366
4367         return ret;
4368 }
4369
4370 static int
4371 hns3_get_mac_link_status(struct hns3_hw *hw)
4372 {
4373         struct hns3_link_status_cmd *req;
4374         struct hns3_cmd_desc desc;
4375         int link_status;
4376         int ret;
4377
4378         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_QUERY_LINK_STATUS, true);
4379         ret = hns3_cmd_send(hw, &desc, 1);
4380         if (ret) {
4381                 hns3_err(hw, "get link status cmd failed %d", ret);
4382                 return ETH_LINK_DOWN;
4383         }
4384
4385         req = (struct hns3_link_status_cmd *)desc.data;
4386         link_status = req->status & HNS3_LINK_STATUS_UP_M;
4387
4388         return !!link_status;
4389 }
4390
4391 void
4392 hns3_update_link_status(struct hns3_hw *hw)
4393 {
4394         int state;
4395
4396         state = hns3_get_mac_link_status(hw);
4397         if (state != hw->mac.link_status) {
4398                 hw->mac.link_status = state;
4399                 hns3_warn(hw, "Link status change to %s!", state ? "up" : "down");
4400         }
4401 }
4402
4403 static void
4404 hns3_service_handler(void *param)
4405 {
4406         struct rte_eth_dev *eth_dev = (struct rte_eth_dev *)param;
4407         struct hns3_adapter *hns = eth_dev->data->dev_private;
4408         struct hns3_hw *hw = &hns->hw;
4409
4410         if (!hns3_is_reset_pending(hns)) {
4411                 hns3_update_speed_duplex(eth_dev);
4412                 hns3_update_link_status(hw);
4413         } else
4414                 hns3_warn(hw, "Cancel the query when reset is pending");
4415
4416         rte_eal_alarm_set(HNS3_SERVICE_INTERVAL, hns3_service_handler, eth_dev);
4417 }
4418
4419 static int
4420 hns3_init_hardware(struct hns3_adapter *hns)
4421 {
4422         struct hns3_hw *hw = &hns->hw;
4423         int ret;
4424
4425         ret = hns3_map_tqp(hw);
4426         if (ret) {
4427                 PMD_INIT_LOG(ERR, "Failed to map tqp: %d", ret);
4428                 return ret;
4429         }
4430
4431         ret = hns3_init_umv_space(hw);
4432         if (ret) {
4433                 PMD_INIT_LOG(ERR, "Failed to init umv space: %d", ret);
4434                 return ret;
4435         }
4436
4437         ret = hns3_mac_init(hw);
4438         if (ret) {
4439                 PMD_INIT_LOG(ERR, "Failed to init MAC: %d", ret);
4440                 goto err_mac_init;
4441         }
4442
4443         ret = hns3_init_mgr_tbl(hw);
4444         if (ret) {
4445                 PMD_INIT_LOG(ERR, "Failed to init manager table: %d", ret);
4446                 goto err_mac_init;
4447         }
4448
4449         ret = hns3_promisc_init(hw);
4450         if (ret) {
4451                 PMD_INIT_LOG(ERR, "Failed to init promisc: %d",
4452                              ret);
4453                 goto err_mac_init;
4454         }
4455
4456         ret = hns3_init_vlan_config(hns);
4457         if (ret) {
4458                 PMD_INIT_LOG(ERR, "Failed to init vlan: %d", ret);
4459                 goto err_mac_init;
4460         }
4461
4462         ret = hns3_dcb_init(hw);
4463         if (ret) {
4464                 PMD_INIT_LOG(ERR, "Failed to init dcb: %d", ret);
4465                 goto err_mac_init;
4466         }
4467
4468         ret = hns3_init_fd_config(hns);
4469         if (ret) {
4470                 PMD_INIT_LOG(ERR, "Failed to init flow director: %d", ret);
4471                 goto err_mac_init;
4472         }
4473
4474         ret = hns3_config_tso(hw, HNS3_TSO_MSS_MIN, HNS3_TSO_MSS_MAX);
4475         if (ret) {
4476                 PMD_INIT_LOG(ERR, "Failed to config tso: %d", ret);
4477                 goto err_mac_init;
4478         }
4479
4480         ret = hns3_config_gro(hw, false);
4481         if (ret) {
4482                 PMD_INIT_LOG(ERR, "Failed to config gro: %d", ret);
4483                 goto err_mac_init;
4484         }
4485
4486         /*
4487          * In the initialization clearing the all hardware mapping relationship
4488          * configurations between queues and interrupt vectors is needed, so
4489          * some error caused by the residual configurations, such as the
4490          * unexpected interrupt, can be avoid.
4491          */
4492         ret = hns3_init_ring_with_vector(hw);
4493         if (ret) {
4494                 PMD_INIT_LOG(ERR, "Failed to init ring intr vector: %d", ret);
4495                 goto err_mac_init;
4496         }
4497
4498         return 0;
4499
4500 err_mac_init:
4501         hns3_uninit_umv_space(hw);
4502         return ret;
4503 }
4504
4505 static int
4506 hns3_clear_hw(struct hns3_hw *hw)
4507 {
4508         struct hns3_cmd_desc desc;
4509         int ret;
4510
4511         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CLEAR_HW_STATE, false);
4512
4513         ret = hns3_cmd_send(hw, &desc, 1);
4514         if (ret && ret != -EOPNOTSUPP)
4515                 return ret;
4516
4517         return 0;
4518 }
4519
4520 static void
4521 hns3_config_all_msix_error(struct hns3_hw *hw, bool enable)
4522 {
4523         uint32_t val;
4524
4525         /*
4526          * The new firmware support report more hardware error types by
4527          * msix mode. These errors are defined as RAS errors in hardware
4528          * and belong to a different type from the MSI-x errors processed
4529          * by the network driver.
4530          *
4531          * Network driver should open the new error report on initialition
4532          */
4533         val = hns3_read_dev(hw, HNS3_VECTOR0_OTER_EN_REG);
4534         hns3_set_bit(val, HNS3_VECTOR0_ALL_MSIX_ERR_B, enable ? 1 : 0);
4535         hns3_write_dev(hw, HNS3_VECTOR0_OTER_EN_REG, val);
4536 }
4537
4538 static int
4539 hns3_init_pf(struct rte_eth_dev *eth_dev)
4540 {
4541         struct rte_device *dev = eth_dev->device;
4542         struct rte_pci_device *pci_dev = RTE_DEV_TO_PCI(dev);
4543         struct hns3_adapter *hns = eth_dev->data->dev_private;
4544         struct hns3_hw *hw = &hns->hw;
4545         int ret;
4546
4547         PMD_INIT_FUNC_TRACE();
4548
4549         /* Get hardware io base address from pcie BAR2 IO space */
4550         hw->io_base = pci_dev->mem_resource[2].addr;
4551
4552         /* Firmware command queue initialize */
4553         ret = hns3_cmd_init_queue(hw);
4554         if (ret) {
4555                 PMD_INIT_LOG(ERR, "Failed to init cmd queue: %d", ret);
4556                 goto err_cmd_init_queue;
4557         }
4558
4559         hns3_clear_all_event_cause(hw);
4560
4561         /* Firmware command initialize */
4562         ret = hns3_cmd_init(hw);
4563         if (ret) {
4564                 PMD_INIT_LOG(ERR, "Failed to init cmd: %d", ret);
4565                 goto err_cmd_init;
4566         }
4567
4568         /*
4569          * To ensure that the hardware environment is clean during
4570          * initialization, the driver actively clear the hardware environment
4571          * during initialization, including PF and corresponding VFs' vlan, mac,
4572          * flow table configurations, etc.
4573          */
4574         ret = hns3_clear_hw(hw);
4575         if (ret) {
4576                 PMD_INIT_LOG(ERR, "failed to clear hardware: %d", ret);
4577                 goto err_cmd_init;
4578         }
4579
4580         hns3_config_all_msix_error(hw, true);
4581
4582         ret = rte_intr_callback_register(&pci_dev->intr_handle,
4583                                          hns3_interrupt_handler,
4584                                          eth_dev);
4585         if (ret) {
4586                 PMD_INIT_LOG(ERR, "Failed to register intr: %d", ret);
4587                 goto err_intr_callback_register;
4588         }
4589
4590         /* Enable interrupt */
4591         rte_intr_enable(&pci_dev->intr_handle);
4592         hns3_pf_enable_irq0(hw);
4593
4594         /* Get configuration */
4595         ret = hns3_get_configuration(hw);
4596         if (ret) {
4597                 PMD_INIT_LOG(ERR, "Failed to fetch configuration: %d", ret);
4598                 goto err_get_config;
4599         }
4600
4601         ret = hns3_tqp_stats_init(hw);
4602         if (ret)
4603                 goto err_get_config;
4604
4605         ret = hns3_init_hardware(hns);
4606         if (ret) {
4607                 PMD_INIT_LOG(ERR, "Failed to init hardware: %d", ret);
4608                 goto err_init_hw;
4609         }
4610
4611         /* Initialize flow director filter list & hash */
4612         ret = hns3_fdir_filter_init(hns);
4613         if (ret) {
4614                 PMD_INIT_LOG(ERR, "Failed to alloc hashmap for fdir: %d", ret);
4615                 goto err_fdir;
4616         }
4617
4618         hns3_set_default_rss_args(hw);
4619
4620         ret = hns3_enable_hw_error_intr(hns, true);
4621         if (ret) {
4622                 PMD_INIT_LOG(ERR, "fail to enable hw error interrupts: %d",
4623                              ret);
4624                 goto err_enable_intr;
4625         }
4626
4627         return 0;
4628
4629 err_enable_intr:
4630         hns3_fdir_filter_uninit(hns);
4631 err_fdir:
4632         hns3_uninit_umv_space(hw);
4633 err_init_hw:
4634         hns3_tqp_stats_uninit(hw);
4635 err_get_config:
4636         hns3_pf_disable_irq0(hw);
4637         rte_intr_disable(&pci_dev->intr_handle);
4638         hns3_intr_unregister(&pci_dev->intr_handle, hns3_interrupt_handler,
4639                              eth_dev);
4640 err_intr_callback_register:
4641 err_cmd_init:
4642         hns3_cmd_uninit(hw);
4643         hns3_cmd_destroy_queue(hw);
4644 err_cmd_init_queue:
4645         hw->io_base = NULL;
4646
4647         return ret;
4648 }
4649
4650 static void
4651 hns3_uninit_pf(struct rte_eth_dev *eth_dev)
4652 {
4653         struct hns3_adapter *hns = eth_dev->data->dev_private;
4654         struct rte_device *dev = eth_dev->device;
4655         struct rte_pci_device *pci_dev = RTE_DEV_TO_PCI(dev);
4656         struct hns3_hw *hw = &hns->hw;
4657
4658         PMD_INIT_FUNC_TRACE();
4659
4660         hns3_enable_hw_error_intr(hns, false);
4661         hns3_rss_uninit(hns);
4662         (void)hns3_config_gro(hw, false);
4663         hns3_promisc_uninit(hw);
4664         hns3_fdir_filter_uninit(hns);
4665         hns3_uninit_umv_space(hw);
4666         hns3_tqp_stats_uninit(hw);
4667         hns3_pf_disable_irq0(hw);
4668         rte_intr_disable(&pci_dev->intr_handle);
4669         hns3_intr_unregister(&pci_dev->intr_handle, hns3_interrupt_handler,
4670                              eth_dev);
4671         hns3_config_all_msix_error(hw, false);
4672         hns3_cmd_uninit(hw);
4673         hns3_cmd_destroy_queue(hw);
4674         hw->io_base = NULL;
4675 }
4676
4677 static int
4678 hns3_do_start(struct hns3_adapter *hns, bool reset_queue)
4679 {
4680         struct hns3_hw *hw = &hns->hw;
4681         int ret;
4682
4683         ret = hns3_dcb_cfg_update(hns);
4684         if (ret)
4685                 return ret;
4686
4687         /* Enable queues */
4688         ret = hns3_start_queues(hns, reset_queue);
4689         if (ret) {
4690                 PMD_INIT_LOG(ERR, "Failed to start queues: %d", ret);
4691                 return ret;
4692         }
4693
4694         /* Enable MAC */
4695         ret = hns3_cfg_mac_mode(hw, true);
4696         if (ret) {
4697                 PMD_INIT_LOG(ERR, "Failed to enable MAC: %d", ret);
4698                 goto err_config_mac_mode;
4699         }
4700         return 0;
4701
4702 err_config_mac_mode:
4703         hns3_stop_queues(hns, true);
4704         return ret;
4705 }
4706
4707 static int
4708 hns3_map_rx_interrupt(struct rte_eth_dev *dev)
4709 {
4710         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
4711         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
4712         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4713         uint8_t base = RTE_INTR_VEC_ZERO_OFFSET;
4714         uint8_t vec = RTE_INTR_VEC_ZERO_OFFSET;
4715         uint32_t intr_vector;
4716         uint16_t q_id;
4717         int ret;
4718
4719         if (dev->data->dev_conf.intr_conf.rxq == 0)
4720                 return 0;
4721
4722         /* disable uio/vfio intr/eventfd mapping */
4723         rte_intr_disable(intr_handle);
4724
4725         /* check and configure queue intr-vector mapping */
4726         if (rte_intr_cap_multiple(intr_handle) ||
4727             !RTE_ETH_DEV_SRIOV(dev).active) {
4728                 intr_vector = hw->used_rx_queues;
4729                 /* creates event fd for each intr vector when MSIX is used */
4730                 if (rte_intr_efd_enable(intr_handle, intr_vector))
4731                         return -EINVAL;
4732         }
4733         if (rte_intr_dp_is_en(intr_handle) && !intr_handle->intr_vec) {
4734                 intr_handle->intr_vec =
4735                         rte_zmalloc("intr_vec",
4736                                     hw->used_rx_queues * sizeof(int), 0);
4737                 if (intr_handle->intr_vec == NULL) {
4738                         hns3_err(hw, "Failed to allocate %d rx_queues"
4739                                      " intr_vec", hw->used_rx_queues);
4740                         ret = -ENOMEM;
4741                         goto alloc_intr_vec_error;
4742                 }
4743         }
4744
4745         if (rte_intr_allow_others(intr_handle)) {
4746                 vec = RTE_INTR_VEC_RXTX_OFFSET;
4747                 base = RTE_INTR_VEC_RXTX_OFFSET;
4748         }
4749         if (rte_intr_dp_is_en(intr_handle)) {
4750                 for (q_id = 0; q_id < hw->used_rx_queues; q_id++) {
4751                         ret = hns3_bind_ring_with_vector(hw, vec, true,
4752                                                          HNS3_RING_TYPE_RX,
4753                                                          q_id);
4754                         if (ret)
4755                                 goto bind_vector_error;
4756                         intr_handle->intr_vec[q_id] = vec;
4757                         if (vec < base + intr_handle->nb_efd - 1)
4758                                 vec++;
4759                 }
4760         }
4761         rte_intr_enable(intr_handle);
4762         return 0;
4763
4764 bind_vector_error:
4765         rte_intr_efd_disable(intr_handle);
4766         if (intr_handle->intr_vec) {
4767                 free(intr_handle->intr_vec);
4768                 intr_handle->intr_vec = NULL;
4769         }
4770         return ret;
4771 alloc_intr_vec_error:
4772         rte_intr_efd_disable(intr_handle);
4773         return ret;
4774 }
4775
4776 static int
4777 hns3_restore_rx_interrupt(struct hns3_hw *hw)
4778 {
4779         struct rte_eth_dev *dev = &rte_eth_devices[hw->data->port_id];
4780         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
4781         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
4782         uint16_t q_id;
4783         int ret;
4784
4785         if (dev->data->dev_conf.intr_conf.rxq == 0)
4786                 return 0;
4787
4788         if (rte_intr_dp_is_en(intr_handle)) {
4789                 for (q_id = 0; q_id < hw->used_rx_queues; q_id++) {
4790                         ret = hns3_bind_ring_with_vector(hw,
4791                                         intr_handle->intr_vec[q_id], true,
4792                                         HNS3_RING_TYPE_RX, q_id);
4793                         if (ret)
4794                                 return ret;
4795                 }
4796         }
4797
4798         return 0;
4799 }
4800
4801 static void
4802 hns3_restore_filter(struct rte_eth_dev *dev)
4803 {
4804         hns3_restore_rss_filter(dev);
4805 }
4806
4807 static int
4808 hns3_dev_start(struct rte_eth_dev *dev)
4809 {
4810         struct hns3_adapter *hns = dev->data->dev_private;
4811         struct hns3_hw *hw = &hns->hw;
4812         int ret;
4813
4814         PMD_INIT_FUNC_TRACE();
4815         if (rte_atomic16_read(&hw->reset.resetting))
4816                 return -EBUSY;
4817
4818         rte_spinlock_lock(&hw->lock);
4819         hw->adapter_state = HNS3_NIC_STARTING;
4820
4821         ret = hns3_do_start(hns, true);
4822         if (ret) {
4823                 hw->adapter_state = HNS3_NIC_CONFIGURED;
4824                 rte_spinlock_unlock(&hw->lock);
4825                 return ret;
4826         }
4827         ret = hns3_map_rx_interrupt(dev);
4828         if (ret) {
4829                 hw->adapter_state = HNS3_NIC_CONFIGURED;
4830                 rte_spinlock_unlock(&hw->lock);
4831                 return ret;
4832         }
4833
4834         hw->adapter_state = HNS3_NIC_STARTED;
4835         rte_spinlock_unlock(&hw->lock);
4836
4837         hns3_rx_scattered_calc(dev);
4838         hns3_set_rxtx_function(dev);
4839         hns3_mp_req_start_rxtx(dev);
4840         rte_eal_alarm_set(HNS3_SERVICE_INTERVAL, hns3_service_handler, dev);
4841
4842         hns3_restore_filter(dev);
4843
4844         /* Enable interrupt of all rx queues before enabling queues */
4845         hns3_dev_all_rx_queue_intr_enable(hw, true);
4846         /*
4847          * When finished the initialization, enable queues to receive/transmit
4848          * packets.
4849          */
4850         hns3_enable_all_queues(hw, true);
4851
4852         hns3_info(hw, "hns3 dev start successful!");
4853         return 0;
4854 }
4855
4856 static int
4857 hns3_do_stop(struct hns3_adapter *hns)
4858 {
4859         struct hns3_hw *hw = &hns->hw;
4860         bool reset_queue;
4861         int ret;
4862
4863         ret = hns3_cfg_mac_mode(hw, false);
4864         if (ret)
4865                 return ret;
4866         hw->mac.link_status = ETH_LINK_DOWN;
4867
4868         if (rte_atomic16_read(&hw->reset.disable_cmd) == 0) {
4869                 hns3_configure_all_mac_addr(hns, true);
4870                 reset_queue = true;
4871         } else
4872                 reset_queue = false;
4873         hw->mac.default_addr_setted = false;
4874         return hns3_stop_queues(hns, reset_queue);
4875 }
4876
4877 static void
4878 hns3_unmap_rx_interrupt(struct rte_eth_dev *dev)
4879 {
4880         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
4881         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
4882         struct hns3_adapter *hns = dev->data->dev_private;
4883         struct hns3_hw *hw = &hns->hw;
4884         uint8_t base = RTE_INTR_VEC_ZERO_OFFSET;
4885         uint8_t vec = RTE_INTR_VEC_ZERO_OFFSET;
4886         uint16_t q_id;
4887
4888         if (dev->data->dev_conf.intr_conf.rxq == 0)
4889                 return;
4890
4891         /* unmap the ring with vector */
4892         if (rte_intr_allow_others(intr_handle)) {
4893                 vec = RTE_INTR_VEC_RXTX_OFFSET;
4894                 base = RTE_INTR_VEC_RXTX_OFFSET;
4895         }
4896         if (rte_intr_dp_is_en(intr_handle)) {
4897                 for (q_id = 0; q_id < hw->used_rx_queues; q_id++) {
4898                         (void)hns3_bind_ring_with_vector(hw, vec, false,
4899                                                          HNS3_RING_TYPE_RX,
4900                                                          q_id);
4901                         if (vec < base + intr_handle->nb_efd - 1)
4902                                 vec++;
4903                 }
4904         }
4905         /* Clean datapath event and queue/vec mapping */
4906         rte_intr_efd_disable(intr_handle);
4907         if (intr_handle->intr_vec) {
4908                 rte_free(intr_handle->intr_vec);
4909                 intr_handle->intr_vec = NULL;
4910         }
4911 }
4912
4913 static void
4914 hns3_dev_stop(struct rte_eth_dev *dev)
4915 {
4916         struct hns3_adapter *hns = dev->data->dev_private;
4917         struct hns3_hw *hw = &hns->hw;
4918
4919         PMD_INIT_FUNC_TRACE();
4920
4921         hw->adapter_state = HNS3_NIC_STOPPING;
4922         hns3_set_rxtx_function(dev);
4923         rte_wmb();
4924         /* Disable datapath on secondary process. */
4925         hns3_mp_req_stop_rxtx(dev);
4926         /* Prevent crashes when queues are still in use. */
4927         rte_delay_ms(hw->tqps_num);
4928
4929         rte_spinlock_lock(&hw->lock);
4930         if (rte_atomic16_read(&hw->reset.resetting) == 0) {
4931                 hns3_do_stop(hns);
4932                 hns3_unmap_rx_interrupt(dev);
4933                 hns3_dev_release_mbufs(hns);
4934                 hw->adapter_state = HNS3_NIC_CONFIGURED;
4935         }
4936         hns3_rx_scattered_reset(dev);
4937         rte_eal_alarm_cancel(hns3_service_handler, dev);
4938         rte_spinlock_unlock(&hw->lock);
4939 }
4940
4941 static int
4942 hns3_dev_close(struct rte_eth_dev *eth_dev)
4943 {
4944         struct hns3_adapter *hns = eth_dev->data->dev_private;
4945         struct hns3_hw *hw = &hns->hw;
4946
4947         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
4948                 rte_free(eth_dev->process_private);
4949                 eth_dev->process_private = NULL;
4950                 return 0;
4951         }
4952
4953         if (hw->adapter_state == HNS3_NIC_STARTED)
4954                 hns3_dev_stop(eth_dev);
4955
4956         hw->adapter_state = HNS3_NIC_CLOSING;
4957         hns3_reset_abort(hns);
4958         hw->adapter_state = HNS3_NIC_CLOSED;
4959
4960         hns3_configure_all_mc_mac_addr(hns, true);
4961         hns3_remove_all_vlan_table(hns);
4962         hns3_vlan_txvlan_cfg(hns, HNS3_PORT_BASE_VLAN_DISABLE, 0);
4963         hns3_uninit_pf(eth_dev);
4964         hns3_free_all_queues(eth_dev);
4965         rte_free(hw->reset.wait_data);
4966         rte_free(eth_dev->process_private);
4967         eth_dev->process_private = NULL;
4968         hns3_mp_uninit_primary();
4969         hns3_warn(hw, "Close port %d finished", hw->data->port_id);
4970
4971         return 0;
4972 }
4973
4974 static int
4975 hns3_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
4976 {
4977         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4978         struct hns3_pf *pf = HNS3_DEV_PRIVATE_TO_PF(dev->data->dev_private);
4979
4980         fc_conf->pause_time = pf->pause_time;
4981
4982         /* return fc current mode */
4983         switch (hw->current_mode) {
4984         case HNS3_FC_FULL:
4985                 fc_conf->mode = RTE_FC_FULL;
4986                 break;
4987         case HNS3_FC_TX_PAUSE:
4988                 fc_conf->mode = RTE_FC_TX_PAUSE;
4989                 break;
4990         case HNS3_FC_RX_PAUSE:
4991                 fc_conf->mode = RTE_FC_RX_PAUSE;
4992                 break;
4993         case HNS3_FC_NONE:
4994         default:
4995                 fc_conf->mode = RTE_FC_NONE;
4996                 break;
4997         }
4998
4999         return 0;
5000 }
5001
5002 static void
5003 hns3_get_fc_mode(struct hns3_hw *hw, enum rte_eth_fc_mode mode)
5004 {
5005         switch (mode) {
5006         case RTE_FC_NONE:
5007                 hw->requested_mode = HNS3_FC_NONE;
5008                 break;
5009         case RTE_FC_RX_PAUSE:
5010                 hw->requested_mode = HNS3_FC_RX_PAUSE;
5011                 break;
5012         case RTE_FC_TX_PAUSE:
5013                 hw->requested_mode = HNS3_FC_TX_PAUSE;
5014                 break;
5015         case RTE_FC_FULL:
5016                 hw->requested_mode = HNS3_FC_FULL;
5017                 break;
5018         default:
5019                 hw->requested_mode = HNS3_FC_NONE;
5020                 hns3_warn(hw, "fc_mode(%u) exceeds member scope and is "
5021                           "configured to RTE_FC_NONE", mode);
5022                 break;
5023         }
5024 }
5025
5026 static int
5027 hns3_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
5028 {
5029         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5030         struct hns3_pf *pf = HNS3_DEV_PRIVATE_TO_PF(dev->data->dev_private);
5031         int ret;
5032
5033         if (fc_conf->high_water || fc_conf->low_water ||
5034             fc_conf->send_xon || fc_conf->mac_ctrl_frame_fwd) {
5035                 hns3_err(hw, "Unsupported flow control settings specified, "
5036                          "high_water(%u), low_water(%u), send_xon(%u) and "
5037                          "mac_ctrl_frame_fwd(%u) must be set to '0'",
5038                          fc_conf->high_water, fc_conf->low_water,
5039                          fc_conf->send_xon, fc_conf->mac_ctrl_frame_fwd);
5040                 return -EINVAL;
5041         }
5042         if (fc_conf->autoneg) {
5043                 hns3_err(hw, "Unsupported fc auto-negotiation setting.");
5044                 return -EINVAL;
5045         }
5046         if (!fc_conf->pause_time) {
5047                 hns3_err(hw, "Invalid pause time %d setting.",
5048                          fc_conf->pause_time);
5049                 return -EINVAL;
5050         }
5051
5052         if (!(hw->current_fc_status == HNS3_FC_STATUS_NONE ||
5053             hw->current_fc_status == HNS3_FC_STATUS_MAC_PAUSE)) {
5054                 hns3_err(hw, "PFC is enabled. Cannot set MAC pause. "
5055                          "current_fc_status = %d", hw->current_fc_status);
5056                 return -EOPNOTSUPP;
5057         }
5058
5059         hns3_get_fc_mode(hw, fc_conf->mode);
5060         if (hw->requested_mode == hw->current_mode &&
5061             pf->pause_time == fc_conf->pause_time)
5062                 return 0;
5063
5064         rte_spinlock_lock(&hw->lock);
5065         ret = hns3_fc_enable(dev, fc_conf);
5066         rte_spinlock_unlock(&hw->lock);
5067
5068         return ret;
5069 }
5070
5071 static int
5072 hns3_priority_flow_ctrl_set(struct rte_eth_dev *dev,
5073                             struct rte_eth_pfc_conf *pfc_conf)
5074 {
5075         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5076         struct hns3_pf *pf = HNS3_DEV_PRIVATE_TO_PF(dev->data->dev_private);
5077         uint8_t priority;
5078         int ret;
5079
5080         if (!hns3_dev_dcb_supported(hw)) {
5081                 hns3_err(hw, "This port does not support dcb configurations.");
5082                 return -EOPNOTSUPP;
5083         }
5084
5085         if (pfc_conf->fc.high_water || pfc_conf->fc.low_water ||
5086             pfc_conf->fc.send_xon || pfc_conf->fc.mac_ctrl_frame_fwd) {
5087                 hns3_err(hw, "Unsupported flow control settings specified, "
5088                          "high_water(%u), low_water(%u), send_xon(%u) and "
5089                          "mac_ctrl_frame_fwd(%u) must be set to '0'",
5090                          pfc_conf->fc.high_water, pfc_conf->fc.low_water,
5091                          pfc_conf->fc.send_xon,
5092                          pfc_conf->fc.mac_ctrl_frame_fwd);
5093                 return -EINVAL;
5094         }
5095         if (pfc_conf->fc.autoneg) {
5096                 hns3_err(hw, "Unsupported fc auto-negotiation setting.");
5097                 return -EINVAL;
5098         }
5099         if (pfc_conf->fc.pause_time == 0) {
5100                 hns3_err(hw, "Invalid pause time %d setting.",
5101                          pfc_conf->fc.pause_time);
5102                 return -EINVAL;
5103         }
5104
5105         if (!(hw->current_fc_status == HNS3_FC_STATUS_NONE ||
5106             hw->current_fc_status == HNS3_FC_STATUS_PFC)) {
5107                 hns3_err(hw, "MAC pause is enabled. Cannot set PFC."
5108                              "current_fc_status = %d", hw->current_fc_status);
5109                 return -EOPNOTSUPP;
5110         }
5111
5112         priority = pfc_conf->priority;
5113         hns3_get_fc_mode(hw, pfc_conf->fc.mode);
5114         if (hw->dcb_info.pfc_en & BIT(priority) &&
5115             hw->requested_mode == hw->current_mode &&
5116             pfc_conf->fc.pause_time == pf->pause_time)
5117                 return 0;
5118
5119         rte_spinlock_lock(&hw->lock);
5120         ret = hns3_dcb_pfc_enable(dev, pfc_conf);
5121         rte_spinlock_unlock(&hw->lock);
5122
5123         return ret;
5124 }
5125
5126 static int
5127 hns3_get_dcb_info(struct rte_eth_dev *dev, struct rte_eth_dcb_info *dcb_info)
5128 {
5129         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5130         struct hns3_pf *pf = HNS3_DEV_PRIVATE_TO_PF(dev->data->dev_private);
5131         enum rte_eth_rx_mq_mode mq_mode = dev->data->dev_conf.rxmode.mq_mode;
5132         int i;
5133
5134         rte_spinlock_lock(&hw->lock);
5135         if ((uint32_t)mq_mode & ETH_MQ_RX_DCB_FLAG)
5136                 dcb_info->nb_tcs = pf->local_max_tc;
5137         else
5138                 dcb_info->nb_tcs = 1;
5139
5140         for (i = 0; i < HNS3_MAX_USER_PRIO; i++)
5141                 dcb_info->prio_tc[i] = hw->dcb_info.prio_tc[i];
5142         for (i = 0; i < dcb_info->nb_tcs; i++)
5143                 dcb_info->tc_bws[i] = hw->dcb_info.pg_info[0].tc_dwrr[i];
5144
5145         for (i = 0; i < hw->num_tc; i++) {
5146                 dcb_info->tc_queue.tc_rxq[0][i].base = hw->alloc_rss_size * i;
5147                 dcb_info->tc_queue.tc_txq[0][i].base =
5148                                                 hw->tc_queue[i].tqp_offset;
5149                 dcb_info->tc_queue.tc_rxq[0][i].nb_queue = hw->alloc_rss_size;
5150                 dcb_info->tc_queue.tc_txq[0][i].nb_queue =
5151                                                 hw->tc_queue[i].tqp_count;
5152         }
5153         rte_spinlock_unlock(&hw->lock);
5154
5155         return 0;
5156 }
5157
5158 static int
5159 hns3_reinit_dev(struct hns3_adapter *hns)
5160 {
5161         struct hns3_hw *hw = &hns->hw;
5162         int ret;
5163
5164         ret = hns3_cmd_init(hw);
5165         if (ret) {
5166                 hns3_err(hw, "Failed to init cmd: %d", ret);
5167                 return ret;
5168         }
5169
5170         ret = hns3_reset_all_queues(hns);
5171         if (ret) {
5172                 hns3_err(hw, "Failed to reset all queues: %d", ret);
5173                 return ret;
5174         }
5175
5176         ret = hns3_init_hardware(hns);
5177         if (ret) {
5178                 hns3_err(hw, "Failed to init hardware: %d", ret);
5179                 return ret;
5180         }
5181
5182         ret = hns3_enable_hw_error_intr(hns, true);
5183         if (ret) {
5184                 hns3_err(hw, "fail to enable hw error interrupts: %d",
5185                              ret);
5186                 return ret;
5187         }
5188         hns3_info(hw, "Reset done, driver initialization finished.");
5189
5190         return 0;
5191 }
5192
5193 static bool
5194 is_pf_reset_done(struct hns3_hw *hw)
5195 {
5196         uint32_t val, reg, reg_bit;
5197
5198         switch (hw->reset.level) {
5199         case HNS3_IMP_RESET:
5200                 reg = HNS3_GLOBAL_RESET_REG;
5201                 reg_bit = HNS3_IMP_RESET_BIT;
5202                 break;
5203         case HNS3_GLOBAL_RESET:
5204                 reg = HNS3_GLOBAL_RESET_REG;
5205                 reg_bit = HNS3_GLOBAL_RESET_BIT;
5206                 break;
5207         case HNS3_FUNC_RESET:
5208                 reg = HNS3_FUN_RST_ING;
5209                 reg_bit = HNS3_FUN_RST_ING_B;
5210                 break;
5211         case HNS3_FLR_RESET:
5212         default:
5213                 hns3_err(hw, "Wait for unsupported reset level: %d",
5214                          hw->reset.level);
5215                 return true;
5216         }
5217         val = hns3_read_dev(hw, reg);
5218         if (hns3_get_bit(val, reg_bit))
5219                 return false;
5220         else
5221                 return true;
5222 }
5223
5224 bool
5225 hns3_is_reset_pending(struct hns3_adapter *hns)
5226 {
5227         struct hns3_hw *hw = &hns->hw;
5228         enum hns3_reset_level reset;
5229
5230         hns3_check_event_cause(hns, NULL);
5231         reset = hns3_get_reset_level(hns, &hw->reset.pending);
5232         if (hw->reset.level != HNS3_NONE_RESET && hw->reset.level < reset) {
5233                 hns3_warn(hw, "High level reset %d is pending", reset);
5234                 return true;
5235         }
5236         reset = hns3_get_reset_level(hns, &hw->reset.request);
5237         if (hw->reset.level != HNS3_NONE_RESET && hw->reset.level < reset) {
5238                 hns3_warn(hw, "High level reset %d is request", reset);
5239                 return true;
5240         }
5241         return false;
5242 }
5243
5244 static int
5245 hns3_wait_hardware_ready(struct hns3_adapter *hns)
5246 {
5247         struct hns3_hw *hw = &hns->hw;
5248         struct hns3_wait_data *wait_data = hw->reset.wait_data;
5249         struct timeval tv;
5250
5251         if (wait_data->result == HNS3_WAIT_SUCCESS)
5252                 return 0;
5253         else if (wait_data->result == HNS3_WAIT_TIMEOUT) {
5254                 gettimeofday(&tv, NULL);
5255                 hns3_warn(hw, "Reset step4 hardware not ready after reset time=%ld.%.6ld",
5256                           tv.tv_sec, tv.tv_usec);
5257                 return -ETIME;
5258         } else if (wait_data->result == HNS3_WAIT_REQUEST)
5259                 return -EAGAIN;
5260
5261         wait_data->hns = hns;
5262         wait_data->check_completion = is_pf_reset_done;
5263         wait_data->end_ms = (uint64_t)HNS3_RESET_WAIT_CNT *
5264                                       HNS3_RESET_WAIT_MS + get_timeofday_ms();
5265         wait_data->interval = HNS3_RESET_WAIT_MS * USEC_PER_MSEC;
5266         wait_data->count = HNS3_RESET_WAIT_CNT;
5267         wait_data->result = HNS3_WAIT_REQUEST;
5268         rte_eal_alarm_set(wait_data->interval, hns3_wait_callback, wait_data);
5269         return -EAGAIN;
5270 }
5271
5272 static int
5273 hns3_func_reset_cmd(struct hns3_hw *hw, int func_id)
5274 {
5275         struct hns3_cmd_desc desc;
5276         struct hns3_reset_cmd *req = (struct hns3_reset_cmd *)desc.data;
5277
5278         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CFG_RST_TRIGGER, false);
5279         hns3_set_bit(req->mac_func_reset, HNS3_CFG_RESET_FUNC_B, 1);
5280         req->fun_reset_vfid = func_id;
5281
5282         return hns3_cmd_send(hw, &desc, 1);
5283 }
5284
5285 static int
5286 hns3_imp_reset_cmd(struct hns3_hw *hw)
5287 {
5288         struct hns3_cmd_desc desc;
5289
5290         hns3_cmd_setup_basic_desc(&desc, 0xFFFE, false);
5291         desc.data[0] = 0xeedd;
5292
5293         return hns3_cmd_send(hw, &desc, 1);
5294 }
5295
5296 static void
5297 hns3_msix_process(struct hns3_adapter *hns, enum hns3_reset_level reset_level)
5298 {
5299         struct hns3_hw *hw = &hns->hw;
5300         struct timeval tv;
5301         uint32_t val;
5302
5303         gettimeofday(&tv, NULL);
5304         if (hns3_read_dev(hw, HNS3_GLOBAL_RESET_REG) ||
5305             hns3_read_dev(hw, HNS3_FUN_RST_ING)) {
5306                 hns3_warn(hw, "Don't process msix during resetting time=%ld.%.6ld",
5307                           tv.tv_sec, tv.tv_usec);
5308                 return;
5309         }
5310
5311         switch (reset_level) {
5312         case HNS3_IMP_RESET:
5313                 hns3_imp_reset_cmd(hw);
5314                 hns3_warn(hw, "IMP Reset requested time=%ld.%.6ld",
5315                           tv.tv_sec, tv.tv_usec);
5316                 break;
5317         case HNS3_GLOBAL_RESET:
5318                 val = hns3_read_dev(hw, HNS3_GLOBAL_RESET_REG);
5319                 hns3_set_bit(val, HNS3_GLOBAL_RESET_BIT, 1);
5320                 hns3_write_dev(hw, HNS3_GLOBAL_RESET_REG, val);
5321                 hns3_warn(hw, "Global Reset requested time=%ld.%.6ld",
5322                           tv.tv_sec, tv.tv_usec);
5323                 break;
5324         case HNS3_FUNC_RESET:
5325                 hns3_warn(hw, "PF Reset requested time=%ld.%.6ld",
5326                           tv.tv_sec, tv.tv_usec);
5327                 /* schedule again to check later */
5328                 hns3_atomic_set_bit(HNS3_FUNC_RESET, &hw->reset.pending);
5329                 hns3_schedule_reset(hns);
5330                 break;
5331         default:
5332                 hns3_warn(hw, "Unsupported reset level: %d", reset_level);
5333                 return;
5334         }
5335         hns3_atomic_clear_bit(reset_level, &hw->reset.request);
5336 }
5337
5338 static enum hns3_reset_level
5339 hns3_get_reset_level(struct hns3_adapter *hns, uint64_t *levels)
5340 {
5341         struct hns3_hw *hw = &hns->hw;
5342         enum hns3_reset_level reset_level = HNS3_NONE_RESET;
5343
5344         /* Return the highest priority reset level amongst all */
5345         if (hns3_atomic_test_bit(HNS3_IMP_RESET, levels))
5346                 reset_level = HNS3_IMP_RESET;
5347         else if (hns3_atomic_test_bit(HNS3_GLOBAL_RESET, levels))
5348                 reset_level = HNS3_GLOBAL_RESET;
5349         else if (hns3_atomic_test_bit(HNS3_FUNC_RESET, levels))
5350                 reset_level = HNS3_FUNC_RESET;
5351         else if (hns3_atomic_test_bit(HNS3_FLR_RESET, levels))
5352                 reset_level = HNS3_FLR_RESET;
5353
5354         if (hw->reset.level != HNS3_NONE_RESET && reset_level < hw->reset.level)
5355                 return HNS3_NONE_RESET;
5356
5357         return reset_level;
5358 }
5359
5360 static void
5361 hns3_record_imp_error(struct hns3_adapter *hns)
5362 {
5363         struct hns3_hw *hw = &hns->hw;
5364         uint32_t reg_val;
5365
5366         reg_val = hns3_read_dev(hw, HNS3_VECTOR0_OTER_EN_REG);
5367         if (hns3_get_bit(reg_val, HNS3_VECTOR0_IMP_RD_POISON_B)) {
5368                 hns3_warn(hw, "Detected IMP RD poison!");
5369                 hns3_error_int_stats_add(hns, "IMP_RD_POISON_INT_STS");
5370                 hns3_set_bit(reg_val, HNS3_VECTOR0_IMP_RD_POISON_B, 0);
5371                 hns3_write_dev(hw, HNS3_VECTOR0_OTER_EN_REG, reg_val);
5372         }
5373
5374         if (hns3_get_bit(reg_val, HNS3_VECTOR0_IMP_CMDQ_ERR_B)) {
5375                 hns3_warn(hw, "Detected IMP CMDQ error!");
5376                 hns3_error_int_stats_add(hns, "CMDQ_MEM_ECC_INT_STS");
5377                 hns3_set_bit(reg_val, HNS3_VECTOR0_IMP_CMDQ_ERR_B, 0);
5378                 hns3_write_dev(hw, HNS3_VECTOR0_OTER_EN_REG, reg_val);
5379         }
5380 }
5381
5382 static int
5383 hns3_prepare_reset(struct hns3_adapter *hns)
5384 {
5385         struct hns3_hw *hw = &hns->hw;
5386         uint32_t reg_val;
5387         int ret;
5388
5389         switch (hw->reset.level) {
5390         case HNS3_FUNC_RESET:
5391                 ret = hns3_func_reset_cmd(hw, HNS3_PF_FUNC_ID);
5392                 if (ret)
5393                         return ret;
5394
5395                 /*
5396                  * After performaning pf reset, it is not necessary to do the
5397                  * mailbox handling or send any command to firmware, because
5398                  * any mailbox handling or command to firmware is only valid
5399                  * after hns3_cmd_init is called.
5400                  */
5401                 rte_atomic16_set(&hw->reset.disable_cmd, 1);
5402                 hw->reset.stats.request_cnt++;
5403                 break;
5404         case HNS3_IMP_RESET:
5405                 hns3_record_imp_error(hns);
5406                 reg_val = hns3_read_dev(hw, HNS3_VECTOR0_OTER_EN_REG);
5407                 hns3_write_dev(hw, HNS3_VECTOR0_OTER_EN_REG, reg_val |
5408                                BIT(HNS3_VECTOR0_IMP_RESET_INT_B));
5409                 break;
5410         default:
5411                 break;
5412         }
5413         return 0;
5414 }
5415
5416 static int
5417 hns3_set_rst_done(struct hns3_hw *hw)
5418 {
5419         struct hns3_pf_rst_done_cmd *req;
5420         struct hns3_cmd_desc desc;
5421
5422         req = (struct hns3_pf_rst_done_cmd *)desc.data;
5423         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_PF_RST_DONE, false);
5424         req->pf_rst_done |= HNS3_PF_RESET_DONE_BIT;
5425         return hns3_cmd_send(hw, &desc, 1);
5426 }
5427
5428 static int
5429 hns3_stop_service(struct hns3_adapter *hns)
5430 {
5431         struct hns3_hw *hw = &hns->hw;
5432         struct rte_eth_dev *eth_dev;
5433
5434         eth_dev = &rte_eth_devices[hw->data->port_id];
5435         if (hw->adapter_state == HNS3_NIC_STARTED)
5436                 rte_eal_alarm_cancel(hns3_service_handler, eth_dev);
5437         hw->mac.link_status = ETH_LINK_DOWN;
5438
5439         hns3_set_rxtx_function(eth_dev);
5440         rte_wmb();
5441         /* Disable datapath on secondary process. */
5442         hns3_mp_req_stop_rxtx(eth_dev);
5443         rte_delay_ms(hw->tqps_num);
5444
5445         rte_spinlock_lock(&hw->lock);
5446         if (hns->hw.adapter_state == HNS3_NIC_STARTED ||
5447             hw->adapter_state == HNS3_NIC_STOPPING) {
5448                 hns3_do_stop(hns);
5449                 hw->reset.mbuf_deferred_free = true;
5450         } else
5451                 hw->reset.mbuf_deferred_free = false;
5452
5453         /*
5454          * It is cumbersome for hardware to pick-and-choose entries for deletion
5455          * from table space. Hence, for function reset software intervention is
5456          * required to delete the entries
5457          */
5458         if (rte_atomic16_read(&hw->reset.disable_cmd) == 0)
5459                 hns3_configure_all_mc_mac_addr(hns, true);
5460         rte_spinlock_unlock(&hw->lock);
5461
5462         return 0;
5463 }
5464
5465 static int
5466 hns3_start_service(struct hns3_adapter *hns)
5467 {
5468         struct hns3_hw *hw = &hns->hw;
5469         struct rte_eth_dev *eth_dev;
5470
5471         if (hw->reset.level == HNS3_IMP_RESET ||
5472             hw->reset.level == HNS3_GLOBAL_RESET)
5473                 hns3_set_rst_done(hw);
5474         eth_dev = &rte_eth_devices[hw->data->port_id];
5475         hns3_set_rxtx_function(eth_dev);
5476         hns3_mp_req_start_rxtx(eth_dev);
5477         if (hw->adapter_state == HNS3_NIC_STARTED) {
5478                 hns3_service_handler(eth_dev);
5479
5480                 /* Enable interrupt of all rx queues before enabling queues */
5481                 hns3_dev_all_rx_queue_intr_enable(hw, true);
5482                 /*
5483                  * When finished the initialization, enable queues to receive
5484                  * and transmit packets.
5485                  */
5486                 hns3_enable_all_queues(hw, true);
5487         }
5488
5489         return 0;
5490 }
5491
5492 static int
5493 hns3_restore_conf(struct hns3_adapter *hns)
5494 {
5495         struct hns3_hw *hw = &hns->hw;
5496         int ret;
5497
5498         ret = hns3_configure_all_mac_addr(hns, false);
5499         if (ret)
5500                 return ret;
5501
5502         ret = hns3_configure_all_mc_mac_addr(hns, false);
5503         if (ret)
5504                 goto err_mc_mac;
5505
5506         ret = hns3_dev_promisc_restore(hns);
5507         if (ret)
5508                 goto err_promisc;
5509
5510         ret = hns3_restore_vlan_table(hns);
5511         if (ret)
5512                 goto err_promisc;
5513
5514         ret = hns3_restore_vlan_conf(hns);
5515         if (ret)
5516                 goto err_promisc;
5517
5518         ret = hns3_restore_all_fdir_filter(hns);
5519         if (ret)
5520                 goto err_promisc;
5521
5522         ret = hns3_restore_rx_interrupt(hw);
5523         if (ret)
5524                 goto err_promisc;
5525
5526         ret = hns3_restore_gro_conf(hw);
5527         if (ret)
5528                 goto err_promisc;
5529
5530         if (hns->hw.adapter_state == HNS3_NIC_STARTED) {
5531                 ret = hns3_do_start(hns, false);
5532                 if (ret)
5533                         goto err_promisc;
5534                 hns3_info(hw, "hns3 dev restart successful!");
5535         } else if (hw->adapter_state == HNS3_NIC_STOPPING)
5536                 hw->adapter_state = HNS3_NIC_CONFIGURED;
5537         return 0;
5538
5539 err_promisc:
5540         hns3_configure_all_mc_mac_addr(hns, true);
5541 err_mc_mac:
5542         hns3_configure_all_mac_addr(hns, true);
5543         return ret;
5544 }
5545
5546 static void
5547 hns3_reset_service(void *param)
5548 {
5549         struct hns3_adapter *hns = (struct hns3_adapter *)param;
5550         struct hns3_hw *hw = &hns->hw;
5551         enum hns3_reset_level reset_level;
5552         struct timeval tv_delta;
5553         struct timeval tv_start;
5554         struct timeval tv;
5555         uint64_t msec;
5556         int ret;
5557
5558         /*
5559          * The interrupt is not triggered within the delay time.
5560          * The interrupt may have been lost. It is necessary to handle
5561          * the interrupt to recover from the error.
5562          */
5563         if (rte_atomic16_read(&hns->hw.reset.schedule) == SCHEDULE_DEFERRED) {
5564                 rte_atomic16_set(&hns->hw.reset.schedule, SCHEDULE_REQUESTED);
5565                 hns3_err(hw, "Handling interrupts in delayed tasks");
5566                 hns3_interrupt_handler(&rte_eth_devices[hw->data->port_id]);
5567                 reset_level = hns3_get_reset_level(hns, &hw->reset.pending);
5568                 if (reset_level == HNS3_NONE_RESET) {
5569                         hns3_err(hw, "No reset level is set, try IMP reset");
5570                         hns3_atomic_set_bit(HNS3_IMP_RESET, &hw->reset.pending);
5571                 }
5572         }
5573         rte_atomic16_set(&hns->hw.reset.schedule, SCHEDULE_NONE);
5574
5575         /*
5576          * Check if there is any ongoing reset in the hardware. This status can
5577          * be checked from reset_pending. If there is then, we need to wait for
5578          * hardware to complete reset.
5579          *    a. If we are able to figure out in reasonable time that hardware
5580          *       has fully resetted then, we can proceed with driver, client
5581          *       reset.
5582          *    b. else, we can come back later to check this status so re-sched
5583          *       now.
5584          */
5585         reset_level = hns3_get_reset_level(hns, &hw->reset.pending);
5586         if (reset_level != HNS3_NONE_RESET) {
5587                 gettimeofday(&tv_start, NULL);
5588                 ret = hns3_reset_process(hns, reset_level);
5589                 gettimeofday(&tv, NULL);
5590                 timersub(&tv, &tv_start, &tv_delta);
5591                 msec = tv_delta.tv_sec * MSEC_PER_SEC +
5592                        tv_delta.tv_usec / USEC_PER_MSEC;
5593                 if (msec > HNS3_RESET_PROCESS_MS)
5594                         hns3_err(hw, "%d handle long time delta %" PRIx64
5595                                      " ms time=%ld.%.6ld",
5596                                  hw->reset.level, msec,
5597                                  tv.tv_sec, tv.tv_usec);
5598                 if (ret == -EAGAIN)
5599                         return;
5600         }
5601
5602         /* Check if we got any *new* reset requests to be honored */
5603         reset_level = hns3_get_reset_level(hns, &hw->reset.request);
5604         if (reset_level != HNS3_NONE_RESET)
5605                 hns3_msix_process(hns, reset_level);
5606 }
5607
5608 static const struct eth_dev_ops hns3_eth_dev_ops = {
5609         .dev_configure      = hns3_dev_configure,
5610         .dev_start          = hns3_dev_start,
5611         .dev_stop           = hns3_dev_stop,
5612         .dev_close          = hns3_dev_close,
5613         .promiscuous_enable = hns3_dev_promiscuous_enable,
5614         .promiscuous_disable = hns3_dev_promiscuous_disable,
5615         .allmulticast_enable  = hns3_dev_allmulticast_enable,
5616         .allmulticast_disable = hns3_dev_allmulticast_disable,
5617         .mtu_set            = hns3_dev_mtu_set,
5618         .stats_get          = hns3_stats_get,
5619         .stats_reset        = hns3_stats_reset,
5620         .xstats_get         = hns3_dev_xstats_get,
5621         .xstats_get_names   = hns3_dev_xstats_get_names,
5622         .xstats_reset       = hns3_dev_xstats_reset,
5623         .xstats_get_by_id   = hns3_dev_xstats_get_by_id,
5624         .xstats_get_names_by_id = hns3_dev_xstats_get_names_by_id,
5625         .dev_infos_get          = hns3_dev_infos_get,
5626         .fw_version_get         = hns3_fw_version_get,
5627         .rx_queue_setup         = hns3_rx_queue_setup,
5628         .tx_queue_setup         = hns3_tx_queue_setup,
5629         .rx_queue_release       = hns3_dev_rx_queue_release,
5630         .tx_queue_release       = hns3_dev_tx_queue_release,
5631         .rx_queue_intr_enable   = hns3_dev_rx_queue_intr_enable,
5632         .rx_queue_intr_disable  = hns3_dev_rx_queue_intr_disable,
5633         .rxq_info_get           = hns3_rxq_info_get,
5634         .txq_info_get           = hns3_txq_info_get,
5635         .rx_burst_mode_get      = hns3_rx_burst_mode_get,
5636         .tx_burst_mode_get      = hns3_tx_burst_mode_get,
5637         .flow_ctrl_get          = hns3_flow_ctrl_get,
5638         .flow_ctrl_set          = hns3_flow_ctrl_set,
5639         .priority_flow_ctrl_set = hns3_priority_flow_ctrl_set,
5640         .mac_addr_add           = hns3_add_mac_addr,
5641         .mac_addr_remove        = hns3_remove_mac_addr,
5642         .mac_addr_set           = hns3_set_default_mac_addr,
5643         .set_mc_addr_list       = hns3_set_mc_mac_addr_list,
5644         .link_update            = hns3_dev_link_update,
5645         .rss_hash_update        = hns3_dev_rss_hash_update,
5646         .rss_hash_conf_get      = hns3_dev_rss_hash_conf_get,
5647         .reta_update            = hns3_dev_rss_reta_update,
5648         .reta_query             = hns3_dev_rss_reta_query,
5649         .filter_ctrl            = hns3_dev_filter_ctrl,
5650         .vlan_filter_set        = hns3_vlan_filter_set,
5651         .vlan_tpid_set          = hns3_vlan_tpid_set,
5652         .vlan_offload_set       = hns3_vlan_offload_set,
5653         .vlan_pvid_set          = hns3_vlan_pvid_set,
5654         .get_reg                = hns3_get_regs,
5655         .get_dcb_info           = hns3_get_dcb_info,
5656         .dev_supported_ptypes_get = hns3_dev_supported_ptypes_get,
5657 };
5658
5659 static const struct hns3_reset_ops hns3_reset_ops = {
5660         .reset_service       = hns3_reset_service,
5661         .stop_service        = hns3_stop_service,
5662         .prepare_reset       = hns3_prepare_reset,
5663         .wait_hardware_ready = hns3_wait_hardware_ready,
5664         .reinit_dev          = hns3_reinit_dev,
5665         .restore_conf        = hns3_restore_conf,
5666         .start_service       = hns3_start_service,
5667 };
5668
5669 static int
5670 hns3_dev_init(struct rte_eth_dev *eth_dev)
5671 {
5672         struct hns3_adapter *hns = eth_dev->data->dev_private;
5673         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
5674         struct rte_ether_addr *eth_addr;
5675         struct hns3_hw *hw = &hns->hw;
5676         int ret;
5677
5678         PMD_INIT_FUNC_TRACE();
5679
5680         eth_dev->process_private = (struct hns3_process_private *)
5681             rte_zmalloc_socket("hns3_filter_list",
5682                                sizeof(struct hns3_process_private),
5683                                RTE_CACHE_LINE_SIZE, eth_dev->device->numa_node);
5684         if (eth_dev->process_private == NULL) {
5685                 PMD_INIT_LOG(ERR, "Failed to alloc memory for process private");
5686                 return -ENOMEM;
5687         }
5688         /* initialize flow filter lists */
5689         hns3_filterlist_init(eth_dev);
5690
5691         hns3_set_rxtx_function(eth_dev);
5692         eth_dev->dev_ops = &hns3_eth_dev_ops;
5693         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
5694                 ret = hns3_mp_init_secondary();
5695                 if (ret) {
5696                         PMD_INIT_LOG(ERR, "Failed to init for secondary "
5697                                      "process, ret = %d", ret);
5698                         goto err_mp_init_secondary;
5699                 }
5700
5701                 hw->secondary_cnt++;
5702                 return 0;
5703         }
5704
5705         ret = hns3_mp_init_primary();
5706         if (ret) {
5707                 PMD_INIT_LOG(ERR,
5708                              "Failed to init for primary process, ret = %d",
5709                              ret);
5710                 goto err_mp_init_primary;
5711         }
5712
5713         hw->adapter_state = HNS3_NIC_UNINITIALIZED;
5714         hns->is_vf = false;
5715         hw->data = eth_dev->data;
5716
5717         /*
5718          * Set default max packet size according to the mtu
5719          * default vale in DPDK frame.
5720          */
5721         hns->pf.mps = hw->data->mtu + HNS3_ETH_OVERHEAD;
5722
5723         ret = hns3_reset_init(hw);
5724         if (ret)
5725                 goto err_init_reset;
5726         hw->reset.ops = &hns3_reset_ops;
5727
5728         ret = hns3_init_pf(eth_dev);
5729         if (ret) {
5730                 PMD_INIT_LOG(ERR, "Failed to init pf: %d", ret);
5731                 goto err_init_pf;
5732         }
5733
5734         /* Allocate memory for storing MAC addresses */
5735         eth_dev->data->mac_addrs = rte_zmalloc("hns3-mac",
5736                                                sizeof(struct rte_ether_addr) *
5737                                                HNS3_UC_MACADDR_NUM, 0);
5738         if (eth_dev->data->mac_addrs == NULL) {
5739                 PMD_INIT_LOG(ERR, "Failed to allocate %zx bytes needed "
5740                              "to store MAC addresses",
5741                              sizeof(struct rte_ether_addr) *
5742                              HNS3_UC_MACADDR_NUM);
5743                 ret = -ENOMEM;
5744                 goto err_rte_zmalloc;
5745         }
5746
5747         eth_addr = (struct rte_ether_addr *)hw->mac.mac_addr;
5748         if (!rte_is_valid_assigned_ether_addr(eth_addr)) {
5749                 rte_eth_random_addr(hw->mac.mac_addr);
5750                 rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
5751                                 (struct rte_ether_addr *)hw->mac.mac_addr);
5752                 hns3_warn(hw, "default mac_addr from firmware is an invalid "
5753                           "unicast address, using random MAC address %s",
5754                           mac_str);
5755         }
5756         rte_ether_addr_copy((struct rte_ether_addr *)hw->mac.mac_addr,
5757                             &eth_dev->data->mac_addrs[0]);
5758
5759         hw->adapter_state = HNS3_NIC_INITIALIZED;
5760
5761         if (rte_atomic16_read(&hns->hw.reset.schedule) == SCHEDULE_PENDING) {
5762                 hns3_err(hw, "Reschedule reset service after dev_init");
5763                 hns3_schedule_reset(hns);
5764         } else {
5765                 /* IMP will wait ready flag before reset */
5766                 hns3_notify_reset_ready(hw, false);
5767         }
5768
5769         hns3_info(hw, "hns3 dev initialization successful!");
5770         return 0;
5771
5772 err_rte_zmalloc:
5773         hns3_uninit_pf(eth_dev);
5774
5775 err_init_pf:
5776         rte_free(hw->reset.wait_data);
5777
5778 err_init_reset:
5779         hns3_mp_uninit_primary();
5780
5781 err_mp_init_primary:
5782 err_mp_init_secondary:
5783         eth_dev->dev_ops = NULL;
5784         eth_dev->rx_pkt_burst = NULL;
5785         eth_dev->tx_pkt_burst = NULL;
5786         eth_dev->tx_pkt_prepare = NULL;
5787         rte_free(eth_dev->process_private);
5788         eth_dev->process_private = NULL;
5789         return ret;
5790 }
5791
5792 static int
5793 hns3_dev_uninit(struct rte_eth_dev *eth_dev)
5794 {
5795         struct hns3_adapter *hns = eth_dev->data->dev_private;
5796         struct hns3_hw *hw = &hns->hw;
5797
5798         PMD_INIT_FUNC_TRACE();
5799
5800         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
5801                 return -EPERM;
5802
5803         eth_dev->dev_ops = NULL;
5804         eth_dev->rx_pkt_burst = NULL;
5805         eth_dev->tx_pkt_burst = NULL;
5806         eth_dev->tx_pkt_prepare = NULL;
5807         if (hw->adapter_state < HNS3_NIC_CLOSING)
5808                 hns3_dev_close(eth_dev);
5809
5810         hw->adapter_state = HNS3_NIC_REMOVED;
5811         return 0;
5812 }
5813
5814 static int
5815 eth_hns3_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
5816                    struct rte_pci_device *pci_dev)
5817 {
5818         return rte_eth_dev_pci_generic_probe(pci_dev,
5819                                              sizeof(struct hns3_adapter),
5820                                              hns3_dev_init);
5821 }
5822
5823 static int
5824 eth_hns3_pci_remove(struct rte_pci_device *pci_dev)
5825 {
5826         return rte_eth_dev_pci_generic_remove(pci_dev, hns3_dev_uninit);
5827 }
5828
5829 static const struct rte_pci_id pci_id_hns3_map[] = {
5830         { RTE_PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, HNS3_DEV_ID_GE) },
5831         { RTE_PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, HNS3_DEV_ID_25GE) },
5832         { RTE_PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, HNS3_DEV_ID_25GE_RDMA) },
5833         { RTE_PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, HNS3_DEV_ID_50GE_RDMA) },
5834         { RTE_PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, HNS3_DEV_ID_100G_RDMA_MACSEC) },
5835         { RTE_PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, HNS3_DEV_ID_200G_RDMA) },
5836         { .vendor_id = 0, /* sentinel */ },
5837 };
5838
5839 static struct rte_pci_driver rte_hns3_pmd = {
5840         .id_table = pci_id_hns3_map,
5841         .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
5842         .probe = eth_hns3_pci_probe,
5843         .remove = eth_hns3_pci_remove,
5844 };
5845
5846 RTE_PMD_REGISTER_PCI(net_hns3, rte_hns3_pmd);
5847 RTE_PMD_REGISTER_PCI_TABLE(net_hns3, pci_id_hns3_map);
5848 RTE_PMD_REGISTER_KMOD_DEP(net_hns3, "* igb_uio | vfio-pci");
5849 RTE_LOG_REGISTER(hns3_logtype_init, pmd.net.hns3.init, NOTICE);
5850 RTE_LOG_REGISTER(hns3_logtype_driver, pmd.net.hns3.driver, NOTICE);