drivers/net/qede/qede_eth_if.c

   1 /*
   2  * Copyright (c) 2016 QLogic Corporation.
   3  * All rights reserved.
   4  * www.qlogic.com
   5  *
   6  * See LICENSE.qede_pmd for copyright and licensing details.
   7  */
   8
   9 #include "qede_ethdev.h"
  10
  11 static int
  12 qed_start_vport(struct ecore_dev *edev, struct qed_start_vport_params *p_params)
  13 {
  14         int rc, i;
  15
  16         for_each_hwfn(edev, i) {
  17                 struct ecore_hwfn *p_hwfn = &edev->hwfns[i];
  18                 u8 tx_switching = 0;
  19                 struct ecore_sp_vport_start_params start = { 0 };
  20
  21                 start.tpa_mode = p_params->gro_enable ? ECORE_TPA_MODE_GRO :
  22                     ECORE_TPA_MODE_NONE;
  23                 start.remove_inner_vlan = p_params->remove_inner_vlan;
  24                 start.tx_switching = tx_switching;
  25                 start.only_untagged = false;    /* untagged only */
  26                 start.drop_ttl0 = p_params->drop_ttl0;
  27                 start.concrete_fid = p_hwfn->hw_info.concrete_fid;
  28                 start.opaque_fid = p_hwfn->hw_info.opaque_fid;
  29                 start.concrete_fid = p_hwfn->hw_info.concrete_fid;
  30                 start.handle_ptp_pkts = p_params->handle_ptp_pkts;
  31                 start.vport_id = p_params->vport_id;
  32                 start.max_buffers_per_cqe = 16; /* TODO-is this right */
  33                 start.mtu = p_params->mtu;
  34                 /* @DPDK - Disable FW placement */
  35                 start.zero_placement_offset = 1;
  36
  37                 rc = ecore_sp_vport_start(p_hwfn, &start);
  38                 if (rc) {
  39                         DP_ERR(edev, "Failed to start VPORT\n");
  40                         return rc;
  41                 }
  42
  43                 DP_VERBOSE(edev, ECORE_MSG_SPQ,
  44                            "Started V-PORT %d with MTU %d\n",
  45                            p_params->vport_id, p_params->mtu);
  46         }
  47
  48         ecore_reset_vport_stats(edev);
  49
  50         return 0;
  51 }
  52
  53 static int qed_stop_vport(struct ecore_dev *edev, uint8_t vport_id)
  54 {
  55         int rc, i;
  56
  57         for_each_hwfn(edev, i) {
  58                 struct ecore_hwfn *p_hwfn = &edev->hwfns[i];
  59                 rc = ecore_sp_vport_stop(p_hwfn,
  60                                          p_hwfn->hw_info.opaque_fid, vport_id);
  61
  62                 if (rc) {
  63                         DP_ERR(edev, "Failed to stop VPORT\n");
  64                         return rc;
  65                 }
  66         }
  67
  68         return 0;
  69 }
  70
  71 static int
  72 qed_update_vport(struct ecore_dev *edev, struct qed_update_vport_params *params)
  73 {
  74         struct ecore_sp_vport_update_params sp_params;
  75         struct ecore_rss_params sp_rss_params;
  76         int rc, i;
  77
  78         memset(&sp_params, 0, sizeof(sp_params));
  79         memset(&sp_rss_params, 0, sizeof(sp_rss_params));
  80
  81         /* Translate protocol params into sp params */
  82         sp_params.vport_id = params->vport_id;
  83         sp_params.update_vport_active_rx_flg = params->update_vport_active_flg;
  84         sp_params.update_vport_active_tx_flg = params->update_vport_active_flg;
  85         sp_params.vport_active_rx_flg = params->vport_active_flg;
  86         sp_params.vport_active_tx_flg = params->vport_active_flg;
  87         sp_params.update_inner_vlan_removal_flg =
  88             params->update_inner_vlan_removal_flg;
  89         sp_params.inner_vlan_removal_flg = params->inner_vlan_removal_flg;
  90         sp_params.update_tx_switching_flg = params->update_tx_switching_flg;
  91         sp_params.tx_switching_flg = params->tx_switching_flg;
  92         sp_params.accept_any_vlan = params->accept_any_vlan;
  93         sp_params.update_accept_any_vlan_flg =
  94             params->update_accept_any_vlan_flg;
  95         sp_params.mtu = params->mtu;
  96
  97         /* RSS - is a bit tricky, since upper-layer isn't familiar with hwfns.
  98          * We need to re-fix the rss values per engine for CMT.
  99          */
 100
 101         if (edev->num_hwfns > 1 && params->update_rss_flg) {
 102                 struct qed_update_vport_rss_params *rss = &params->rss_params;
 103                 int k, max = 0;
 104
 105                 /* Find largest entry, since it's possible RSS needs to
 106                  * be disabled [in case only 1 queue per-hwfn]
 107                  */
 108                 for (k = 0; k < ECORE_RSS_IND_TABLE_SIZE; k++)
 109                         max = (max > rss->rss_ind_table[k]) ?
 110                             max : rss->rss_ind_table[k];
 111
 112                 /* Either fix RSS values or disable RSS */
 113                 if (edev->num_hwfns < max + 1) {
 114                         int divisor = (max + edev->num_hwfns - 1) /
 115                             edev->num_hwfns;
 116
 117                         DP_VERBOSE(edev, ECORE_MSG_SPQ,
 118                                    "CMT - fixing RSS values (modulo %02x)\n",
 119                                    divisor);
 120
 121                         for (k = 0; k < ECORE_RSS_IND_TABLE_SIZE; k++)
 122                                 rss->rss_ind_table[k] =
 123                                     rss->rss_ind_table[k] % divisor;
 124                 } else {
 125                         DP_VERBOSE(edev, ECORE_MSG_SPQ,
 126                                    "CMT - 1 queue per-hwfn; Disabling RSS\n");
 127                         params->update_rss_flg = 0;
 128                 }
 129         }
 130
 131         /* Now, update the RSS configuration for actual configuration */
 132         if (params->update_rss_flg) {
 133                 sp_rss_params.update_rss_config = 1;
 134                 sp_rss_params.rss_enable = 1;
 135                 sp_rss_params.update_rss_capabilities = 1;
 136                 sp_rss_params.update_rss_ind_table = 1;
 137                 sp_rss_params.update_rss_key = 1;
 138                 sp_rss_params.rss_caps = ECORE_RSS_IPV4 | ECORE_RSS_IPV6 |
 139                     ECORE_RSS_IPV4_TCP | ECORE_RSS_IPV6_TCP;
 140                 sp_rss_params.rss_table_size_log = 7;   /* 2^7 = 128 */
 141                 rte_memcpy(sp_rss_params.rss_ind_table,
 142                        params->rss_params.rss_ind_table,
 143                        ECORE_RSS_IND_TABLE_SIZE * sizeof(uint16_t));
 144                 rte_memcpy(sp_rss_params.rss_key, params->rss_params.rss_key,
 145                        ECORE_RSS_KEY_SIZE * sizeof(uint32_t));
 146                 sp_params.rss_params = &sp_rss_params;
 147         }
 148
 149         for_each_hwfn(edev, i) {
 150                 struct ecore_hwfn *p_hwfn = &edev->hwfns[i];
 151
 152                 sp_params.opaque_fid = p_hwfn->hw_info.opaque_fid;
 153                 rc = ecore_sp_vport_update(p_hwfn, &sp_params,
 154                                            ECORE_SPQ_MODE_EBLOCK, NULL);
 155                 if (rc) {
 156                         DP_ERR(edev, "Failed to update VPORT\n");
 157                         return rc;
 158                 }
 159
 160                 DP_VERBOSE(edev, ECORE_MSG_SPQ,
 161                            "Updated V-PORT %d: active_flag %d [update %d]\n",
 162                            params->vport_id, params->vport_active_flg,
 163                            params->update_vport_active_flg);
 164         }
 165
 166         return 0;
 167 }
 168
 169 static int
 170 qed_start_rxq(struct ecore_dev *edev,
 171               uint8_t rss_num,
 172               struct ecore_queue_start_common_params *p_params,
 173               uint16_t bd_max_bytes,
 174               dma_addr_t bd_chain_phys_addr,
 175               dma_addr_t cqe_pbl_addr,
 176               uint16_t cqe_pbl_size, void OSAL_IOMEM * *pp_prod)
 177 {
 178         struct ecore_hwfn *p_hwfn;
 179         int rc, hwfn_index;
 180
 181         hwfn_index = rss_num % edev->num_hwfns;
 182         p_hwfn = &edev->hwfns[hwfn_index];
 183
 184         p_params->queue_id = p_params->queue_id / edev->num_hwfns;
 185         p_params->stats_id = p_params->vport_id;
 186
 187         rc = ecore_sp_eth_rx_queue_start(p_hwfn,
 188                                          p_hwfn->hw_info.opaque_fid,
 189                                          p_params,
 190                                          bd_max_bytes,
 191                                          bd_chain_phys_addr,
 192                                          cqe_pbl_addr, cqe_pbl_size, pp_prod);
 193
 194         if (rc) {
 195                 DP_ERR(edev, "Failed to start RXQ#%d\n", p_params->queue_id);
 196                 return rc;
 197         }
 198
 199         DP_VERBOSE(edev, ECORE_MSG_SPQ,
 200                    "Started RX-Q %d [rss_num %d] on V-PORT %d and SB %d\n",
 201                    p_params->queue_id, rss_num, p_params->vport_id,
 202                    p_params->sb);
 203
 204         return 0;
 205 }
 206
 207 static int
 208 qed_stop_rxq(struct ecore_dev *edev, struct qed_stop_rxq_params *params)
 209 {
 210         int rc, hwfn_index;
 211         struct ecore_hwfn *p_hwfn;
 212
 213         hwfn_index = params->rss_id % edev->num_hwfns;
 214         p_hwfn = &edev->hwfns[hwfn_index];
 215
 216         rc = ecore_sp_eth_rx_queue_stop(p_hwfn,
 217                                         params->rx_queue_id / edev->num_hwfns,
 218                                         params->eq_completion_only, false);
 219         if (rc) {
 220                 DP_ERR(edev, "Failed to stop RXQ#%d\n", params->rx_queue_id);
 221                 return rc;
 222         }
 223
 224         return 0;
 225 }
 226
 227 static int
 228 qed_start_txq(struct ecore_dev *edev,
 229               uint8_t rss_num,
 230               struct ecore_queue_start_common_params *p_params,
 231               dma_addr_t pbl_addr,
 232               uint16_t pbl_size, void OSAL_IOMEM * *pp_doorbell)
 233 {
 234         struct ecore_hwfn *p_hwfn;
 235         int rc, hwfn_index;
 236
 237         hwfn_index = rss_num % edev->num_hwfns;
 238         p_hwfn = &edev->hwfns[hwfn_index];
 239
 240         p_params->queue_id = p_params->queue_id / edev->num_hwfns;
 241         p_params->stats_id = p_params->vport_id;
 242
 243         rc = ecore_sp_eth_tx_queue_start(p_hwfn,
 244                                          p_hwfn->hw_info.opaque_fid,
 245                                          p_params,
 246                                          0 /* tc */,
 247                                          pbl_addr, pbl_size, pp_doorbell);
 248
 249         if (rc) {
 250                 DP_ERR(edev, "Failed to start TXQ#%d\n", p_params->queue_id);
 251                 return rc;
 252         }
 253
 254         DP_VERBOSE(edev, ECORE_MSG_SPQ,
 255                    "Started TX-Q %d [rss_num %d] on V-PORT %d and SB %d\n",
 256                    p_params->queue_id, rss_num, p_params->vport_id,
 257                    p_params->sb);
 258
 259         return 0;
 260 }
 261
 262 static int
 263 qed_stop_txq(struct ecore_dev *edev, struct qed_stop_txq_params *params)
 264 {
 265         struct ecore_hwfn *p_hwfn;
 266         int rc, hwfn_index;
 267
 268         hwfn_index = params->rss_id % edev->num_hwfns;
 269         p_hwfn = &edev->hwfns[hwfn_index];
 270
 271         rc = ecore_sp_eth_tx_queue_stop(p_hwfn,
 272                                         params->tx_queue_id / edev->num_hwfns);
 273         if (rc) {
 274                 DP_ERR(edev, "Failed to stop TXQ#%d\n", params->tx_queue_id);
 275                 return rc;
 276         }
 277
 278         return 0;
 279 }
 280
 281 static int
 282 qed_fp_cqe_completion(struct ecore_dev *edev,
 283                       uint8_t rss_id, struct eth_slow_path_rx_cqe *cqe)
 284 {
 285         return ecore_eth_cqe_completion(&edev->hwfns[rss_id % edev->num_hwfns],
 286                                         cqe);
 287 }
 288
 289 static int qed_fastpath_stop(struct ecore_dev *edev)
 290 {
 291         ecore_hw_stop_fastpath(edev);
 292
 293         return 0;
 294 }
 295
 296 static void qed_fastpath_start(struct ecore_dev *edev)
 297 {
 298         struct ecore_hwfn *p_hwfn;
 299         int i;
 300
 301         for_each_hwfn(edev, i) {
 302                 p_hwfn = &edev->hwfns[i];
 303                 ecore_hw_start_fastpath(p_hwfn);
 304         }
 305 }
 306
 307 static void
 308 qed_get_vport_stats(struct ecore_dev *edev, struct ecore_eth_stats *stats)
 309 {
 310         ecore_get_vport_stats(edev, stats);
 311 }
 312
 313 static int
 314 qed_configure_filter_ucast(struct ecore_dev *edev,
 315                            struct qed_filter_ucast_params *params)
 316 {
 317         struct ecore_filter_ucast ucast;
 318
 319         if (!params->vlan_valid && !params->mac_valid) {
 320                 DP_NOTICE(edev, true,
 321                           "Tried configuring a unicast filter,"
 322                           "but both MAC and VLAN are not set\n");
 323                 return -EINVAL;
 324         }
 325
 326         memset(&ucast, 0, sizeof(ucast));
 327         switch (params->type) {
 328         case QED_FILTER_XCAST_TYPE_ADD:
 329                 ucast.opcode = ECORE_FILTER_ADD;
 330                 break;
 331         case QED_FILTER_XCAST_TYPE_DEL:
 332                 ucast.opcode = ECORE_FILTER_REMOVE;
 333                 break;
 334         case QED_FILTER_XCAST_TYPE_REPLACE:
 335                 ucast.opcode = ECORE_FILTER_REPLACE;
 336                 break;
 337         default:
 338                 DP_NOTICE(edev, true, "Unknown unicast filter type %d\n",
 339                           params->type);
 340         }
 341
 342         if (params->vlan_valid && params->mac_valid) {
 343                 ucast.type = ECORE_FILTER_MAC_VLAN;
 344                 ether_addr_copy((struct ether_addr *)&params->mac,
 345                                 (struct ether_addr *)&ucast.mac);
 346                 ucast.vlan = params->vlan;
 347         } else if (params->mac_valid) {
 348                 ucast.type = ECORE_FILTER_MAC;
 349                 ether_addr_copy((struct ether_addr *)&params->mac,
 350                                 (struct ether_addr *)&ucast.mac);
 351         } else {
 352                 ucast.type = ECORE_FILTER_VLAN;
 353                 ucast.vlan = params->vlan;
 354         }
 355
 356         ucast.is_rx_filter = true;
 357         ucast.is_tx_filter = true;
 358
 359         return ecore_filter_ucast_cmd(edev, &ucast, ECORE_SPQ_MODE_CB, NULL);
 360 }
 361
 362 static int
 363 qed_configure_filter_mcast(struct ecore_dev *edev,
 364                            struct qed_filter_mcast_params *params)
 365 {
 366         struct ecore_filter_mcast mcast;
 367         int i;
 368
 369         memset(&mcast, 0, sizeof(mcast));
 370         switch (params->type) {
 371         case QED_FILTER_XCAST_TYPE_ADD:
 372                 mcast.opcode = ECORE_FILTER_ADD;
 373                 break;
 374         case QED_FILTER_XCAST_TYPE_DEL:
 375                 mcast.opcode = ECORE_FILTER_REMOVE;
 376                 break;
 377         default:
 378                 DP_NOTICE(edev, true, "Unknown multicast filter type %d\n",
 379                           params->type);
 380         }
 381
 382         mcast.num_mc_addrs = params->num;
 383         for (i = 0; i < mcast.num_mc_addrs; i++)
 384                 ether_addr_copy((struct ether_addr *)&params->mac[i],
 385                                 (struct ether_addr *)&mcast.mac[i]);
 386
 387         return ecore_filter_mcast_cmd(edev, &mcast, ECORE_SPQ_MODE_CB, NULL);
 388 }
 389
 390 int qed_configure_filter_rx_mode(struct ecore_dev *edev,
 391                                  enum qed_filter_rx_mode_type type)
 392 {
 393         struct ecore_filter_accept_flags flags;
 394
 395         memset(&flags, 0, sizeof(flags));
 396
 397         flags.update_rx_mode_config = 1;
 398         flags.update_tx_mode_config = 1;
 399         flags.rx_accept_filter = ECORE_ACCEPT_UCAST_MATCHED |
 400                                         ECORE_ACCEPT_MCAST_MATCHED |
 401                                         ECORE_ACCEPT_BCAST;
 402
 403         flags.tx_accept_filter = ECORE_ACCEPT_UCAST_MATCHED |
 404                                  ECORE_ACCEPT_MCAST_MATCHED |
 405                                  ECORE_ACCEPT_BCAST;
 406
 407         if (type == QED_FILTER_RX_MODE_TYPE_PROMISC) {
 408                 flags.rx_accept_filter |= ECORE_ACCEPT_UCAST_UNMATCHED;
 409                 if (IS_VF(edev)) {
 410                         flags.tx_accept_filter |= ECORE_ACCEPT_UCAST_UNMATCHED;
 411                         DP_INFO(edev, "Enabling Tx unmatched flag for VF\n");
 412                 }
 413         } else if (type == QED_FILTER_RX_MODE_TYPE_MULTI_PROMISC) {
 414                 flags.rx_accept_filter |= ECORE_ACCEPT_MCAST_UNMATCHED;
 415         } else if (type == (QED_FILTER_RX_MODE_TYPE_MULTI_PROMISC |
 416                             QED_FILTER_RX_MODE_TYPE_PROMISC)) {
 417                 flags.rx_accept_filter |= ECORE_ACCEPT_UCAST_UNMATCHED |
 418                                           ECORE_ACCEPT_MCAST_UNMATCHED;
 419         }
 420
 421         return ecore_filter_accept_cmd(edev, 0, flags, false, false,
 422                                        ECORE_SPQ_MODE_CB, NULL);
 423 }
 424
 425 static int
 426 qed_configure_filter(struct ecore_dev *edev, struct qed_filter_params *params)
 427 {
 428         switch (params->type) {
 429         case QED_FILTER_TYPE_UCAST:
 430                 return qed_configure_filter_ucast(edev, &params->filter.ucast);
 431         case QED_FILTER_TYPE_MCAST:
 432                 return qed_configure_filter_mcast(edev, &params->filter.mcast);
 433         case QED_FILTER_TYPE_RX_MODE:
 434                 return qed_configure_filter_rx_mode(edev,
 435                                                     params->filter.
 436                                                     accept_flags);
 437         default:
 438                 DP_NOTICE(edev, true, "Unknown filter type %d\n",
 439                           (int)params->type);
 440                 return -EINVAL;
 441         }
 442 }
 443
 444 static const struct qed_eth_ops qed_eth_ops_pass = {
 445         INIT_STRUCT_FIELD(common, &qed_common_ops_pass),
 446         INIT_STRUCT_FIELD(fill_dev_info, &qed_fill_eth_dev_info),
 447         INIT_STRUCT_FIELD(vport_start, &qed_start_vport),
 448         INIT_STRUCT_FIELD(vport_stop, &qed_stop_vport),
 449         INIT_STRUCT_FIELD(vport_update, &qed_update_vport),
 450         INIT_STRUCT_FIELD(q_rx_start, &qed_start_rxq),
 451         INIT_STRUCT_FIELD(q_tx_start, &qed_start_txq),
 452         INIT_STRUCT_FIELD(q_rx_stop, &qed_stop_rxq),
 453         INIT_STRUCT_FIELD(q_tx_stop, &qed_stop_txq),
 454         INIT_STRUCT_FIELD(eth_cqe_completion, &qed_fp_cqe_completion),
 455         INIT_STRUCT_FIELD(fastpath_stop, &qed_fastpath_stop),
 456         INIT_STRUCT_FIELD(fastpath_start, &qed_fastpath_start),
 457         INIT_STRUCT_FIELD(get_vport_stats, &qed_get_vport_stats),
 458         INIT_STRUCT_FIELD(filter_config, &qed_configure_filter),
 459 };
 460
 461 const struct qed_eth_ops *qed_get_eth_ops(void)
 462 {
 463         return &qed_eth_ops_pass;
 464 }