drivers/net/ice/ice_fdir_filter.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2019 Intel Corporation
   3  */
   4
   5 #include <stdio.h>
   6 #include <rte_flow.h>
   7 #include <rte_hash.h>
   8 #include <rte_hash_crc.h>
   9 #include "base/ice_fdir.h"
  10 #include "base/ice_flow.h"
  11 #include "base/ice_type.h"
  12 #include "ice_ethdev.h"
  13 #include "ice_rxtx.h"
  14 #include "ice_generic_flow.h"
  15
  16 #define ICE_FDIR_IPV6_TC_OFFSET         20
  17 #define ICE_IPV6_TC_MASK                (0xFF << ICE_FDIR_IPV6_TC_OFFSET)
  18
  19 #define ICE_FDIR_MAX_QREGION_SIZE       128
  20
  21 #define ICE_FDIR_INSET_ETH_IPV4 (\
  22         ICE_INSET_DMAC | \
  23         ICE_INSET_IPV4_SRC | ICE_INSET_IPV4_DST | ICE_INSET_IPV4_TOS | \
  24         ICE_INSET_IPV4_TTL | ICE_INSET_IPV4_PROTO)
  25
  26 #define ICE_FDIR_INSET_ETH_IPV4_UDP (\
  27         ICE_FDIR_INSET_ETH_IPV4 | \
  28         ICE_INSET_UDP_SRC_PORT | ICE_INSET_UDP_DST_PORT)
  29
  30 #define ICE_FDIR_INSET_ETH_IPV4_TCP (\
  31         ICE_FDIR_INSET_ETH_IPV4 | \
  32         ICE_INSET_TCP_SRC_PORT | ICE_INSET_TCP_DST_PORT)
  33
  34 #define ICE_FDIR_INSET_ETH_IPV4_SCTP (\
  35         ICE_FDIR_INSET_ETH_IPV4 | \
  36         ICE_INSET_SCTP_SRC_PORT | ICE_INSET_SCTP_DST_PORT)
  37
  38 #define ICE_FDIR_INSET_ETH_IPV6 (\
  39         ICE_INSET_DMAC | \
  40         ICE_INSET_IPV6_SRC | ICE_INSET_IPV6_DST | ICE_INSET_IPV6_TC | \
  41         ICE_INSET_IPV6_HOP_LIMIT | ICE_INSET_IPV6_NEXT_HDR)
  42
  43 #define ICE_FDIR_INSET_ETH_IPV6_UDP (\
  44         ICE_FDIR_INSET_ETH_IPV6 | \
  45         ICE_INSET_UDP_SRC_PORT | ICE_INSET_UDP_DST_PORT)
  46
  47 #define ICE_FDIR_INSET_ETH_IPV6_TCP (\
  48         ICE_FDIR_INSET_ETH_IPV6 | \
  49         ICE_INSET_TCP_SRC_PORT | ICE_INSET_TCP_DST_PORT)
  50
  51 #define ICE_FDIR_INSET_ETH_IPV6_SCTP (\
  52         ICE_FDIR_INSET_ETH_IPV6 | \
  53         ICE_INSET_SCTP_SRC_PORT | ICE_INSET_SCTP_DST_PORT)
  54
  55 #define ICE_FDIR_INSET_VXLAN_IPV4 (\
  56         ICE_INSET_TUN_IPV4_SRC | ICE_INSET_TUN_IPV4_DST)
  57
  58 #define ICE_FDIR_INSET_VXLAN_IPV4_TCP (\
  59         ICE_FDIR_INSET_VXLAN_IPV4 | \
  60         ICE_INSET_TUN_TCP_SRC_PORT | ICE_INSET_TUN_TCP_DST_PORT)
  61
  62 #define ICE_FDIR_INSET_VXLAN_IPV4_UDP (\
  63         ICE_FDIR_INSET_VXLAN_IPV4 | \
  64         ICE_INSET_TUN_UDP_SRC_PORT | ICE_INSET_TUN_UDP_DST_PORT)
  65
  66 #define ICE_FDIR_INSET_VXLAN_IPV4_SCTP (\
  67         ICE_FDIR_INSET_VXLAN_IPV4 | \
  68         ICE_INSET_TUN_SCTP_SRC_PORT | ICE_INSET_TUN_SCTP_DST_PORT)
  69
  70 #define ICE_FDIR_INSET_GTPU_IPV4 (\
  71         ICE_INSET_GTPU_TEID)
  72
  73 #define ICE_FDIR_INSET_GTPU_EH_IPV4 (\
  74         ICE_INSET_GTPU_TEID | ICE_INSET_GTPU_QFI)
  75
  76 static struct ice_pattern_match_item ice_fdir_pattern_os[] = {
  77         {pattern_eth_ipv4,             ICE_FDIR_INSET_ETH_IPV4,              ICE_INSET_NONE},
  78         {pattern_eth_ipv4_udp,         ICE_FDIR_INSET_ETH_IPV4_UDP,          ICE_INSET_NONE},
  79         {pattern_eth_ipv4_tcp,         ICE_FDIR_INSET_ETH_IPV4_TCP,          ICE_INSET_NONE},
  80         {pattern_eth_ipv4_sctp,        ICE_FDIR_INSET_ETH_IPV4_SCTP,         ICE_INSET_NONE},
  81         {pattern_eth_ipv6,             ICE_FDIR_INSET_ETH_IPV6,              ICE_INSET_NONE},
  82         {pattern_eth_ipv6_udp,         ICE_FDIR_INSET_ETH_IPV6_UDP,          ICE_INSET_NONE},
  83         {pattern_eth_ipv6_tcp,         ICE_FDIR_INSET_ETH_IPV6_TCP,          ICE_INSET_NONE},
  84         {pattern_eth_ipv6_sctp,        ICE_FDIR_INSET_ETH_IPV6_SCTP,         ICE_INSET_NONE},
  85         {pattern_eth_ipv4_udp_vxlan_ipv4,
  86                                        ICE_FDIR_INSET_VXLAN_IPV4,            ICE_INSET_NONE},
  87         {pattern_eth_ipv4_udp_vxlan_ipv4_udp,
  88                                        ICE_FDIR_INSET_VXLAN_IPV4_UDP,        ICE_INSET_NONE},
  89         {pattern_eth_ipv4_udp_vxlan_ipv4_tcp,
  90                                        ICE_FDIR_INSET_VXLAN_IPV4_TCP,        ICE_INSET_NONE},
  91         {pattern_eth_ipv4_udp_vxlan_ipv4_sctp,
  92                                        ICE_FDIR_INSET_VXLAN_IPV4_SCTP,       ICE_INSET_NONE},
  93         {pattern_eth_ipv4_udp_vxlan_eth_ipv4,
  94                                        ICE_FDIR_INSET_VXLAN_IPV4,            ICE_INSET_NONE},
  95         {pattern_eth_ipv4_udp_vxlan_eth_ipv4_udp,
  96                                        ICE_FDIR_INSET_VXLAN_IPV4_UDP,        ICE_INSET_NONE},
  97         {pattern_eth_ipv4_udp_vxlan_eth_ipv4_tcp,
  98                                        ICE_FDIR_INSET_VXLAN_IPV4_TCP,        ICE_INSET_NONE},
  99         {pattern_eth_ipv4_udp_vxlan_eth_ipv4_sctp,
 100                                        ICE_FDIR_INSET_VXLAN_IPV4_SCTP,       ICE_INSET_NONE},
 101 };
 102
 103 static struct ice_pattern_match_item ice_fdir_pattern_comms[] = {
 104         {pattern_eth_ipv4,             ICE_FDIR_INSET_ETH_IPV4,              ICE_INSET_NONE},
 105         {pattern_eth_ipv4_udp,         ICE_FDIR_INSET_ETH_IPV4_UDP,          ICE_INSET_NONE},
 106         {pattern_eth_ipv4_tcp,         ICE_FDIR_INSET_ETH_IPV4_TCP,          ICE_INSET_NONE},
 107         {pattern_eth_ipv4_sctp,        ICE_FDIR_INSET_ETH_IPV4_SCTP,         ICE_INSET_NONE},
 108         {pattern_eth_ipv6,             ICE_FDIR_INSET_ETH_IPV6,              ICE_INSET_NONE},
 109         {pattern_eth_ipv6_udp,         ICE_FDIR_INSET_ETH_IPV6_UDP,          ICE_INSET_NONE},
 110         {pattern_eth_ipv6_tcp,         ICE_FDIR_INSET_ETH_IPV6_TCP,          ICE_INSET_NONE},
 111         {pattern_eth_ipv6_sctp,        ICE_FDIR_INSET_ETH_IPV6_SCTP,         ICE_INSET_NONE},
 112         {pattern_eth_ipv4_udp_vxlan_ipv4,
 113                                        ICE_FDIR_INSET_VXLAN_IPV4,            ICE_INSET_NONE},
 114         {pattern_eth_ipv4_udp_vxlan_ipv4_udp,
 115                                        ICE_FDIR_INSET_VXLAN_IPV4_UDP,        ICE_INSET_NONE},
 116         {pattern_eth_ipv4_udp_vxlan_ipv4_tcp,
 117                                        ICE_FDIR_INSET_VXLAN_IPV4_TCP,        ICE_INSET_NONE},
 118         {pattern_eth_ipv4_udp_vxlan_ipv4_sctp,
 119                                        ICE_FDIR_INSET_VXLAN_IPV4_SCTP,       ICE_INSET_NONE},
 120         {pattern_eth_ipv4_udp_vxlan_eth_ipv4,
 121                                        ICE_FDIR_INSET_VXLAN_IPV4,            ICE_INSET_NONE},
 122         {pattern_eth_ipv4_udp_vxlan_eth_ipv4_udp,
 123                                        ICE_FDIR_INSET_VXLAN_IPV4_UDP,        ICE_INSET_NONE},
 124         {pattern_eth_ipv4_udp_vxlan_eth_ipv4_tcp,
 125                                        ICE_FDIR_INSET_VXLAN_IPV4_TCP,        ICE_INSET_NONE},
 126         {pattern_eth_ipv4_udp_vxlan_eth_ipv4_sctp,
 127                                        ICE_FDIR_INSET_VXLAN_IPV4_SCTP,       ICE_INSET_NONE},
 128         {pattern_eth_ipv4_gtpu_ipv4,   ICE_FDIR_INSET_GTPU_IPV4,             ICE_INSET_NONE},
 129         {pattern_eth_ipv4_gtpu_eh_ipv4,
 130                                        ICE_FDIR_INSET_GTPU_EH_IPV4,          ICE_INSET_NONE},
 131 };
 132
 133 static struct ice_flow_parser ice_fdir_parser_os;
 134 static struct ice_flow_parser ice_fdir_parser_comms;
 135
 136 static const struct rte_memzone *
 137 ice_memzone_reserve(const char *name, uint32_t len, int socket_id)
 138 {
 139         const struct rte_memzone *mz;
 140
 141         mz = rte_memzone_lookup(name);
 142         if (mz)
 143                 return mz;
 144
 145         return rte_memzone_reserve_aligned(name, len, socket_id,
 146                                            RTE_MEMZONE_IOVA_CONTIG,
 147                                            ICE_RING_BASE_ALIGN);
 148 }
 149
 150 #define ICE_FDIR_MZ_NAME        "FDIR_MEMZONE"
 151
 152 static int
 153 ice_fdir_prof_alloc(struct ice_hw *hw)
 154 {
 155         enum ice_fltr_ptype ptype, fltr_ptype;
 156
 157         if (!hw->fdir_prof) {
 158                 hw->fdir_prof = (struct ice_fd_hw_prof **)
 159                         ice_malloc(hw, ICE_FLTR_PTYPE_MAX *
 160                                    sizeof(*hw->fdir_prof));
 161                 if (!hw->fdir_prof)
 162                         return -ENOMEM;
 163         }
 164         for (ptype = ICE_FLTR_PTYPE_NONF_NONE + 1;
 165              ptype < ICE_FLTR_PTYPE_MAX;
 166              ptype++) {
 167                 if (!hw->fdir_prof[ptype]) {
 168                         hw->fdir_prof[ptype] = (struct ice_fd_hw_prof *)
 169                                 ice_malloc(hw, sizeof(**hw->fdir_prof));
 170                         if (!hw->fdir_prof[ptype])
 171                                 goto fail_mem;
 172                 }
 173         }
 174         return 0;
 175
 176 fail_mem:
 177         for (fltr_ptype = ICE_FLTR_PTYPE_NONF_NONE + 1;
 178              fltr_ptype < ptype;
 179              fltr_ptype++) {
 180                 rte_free(hw->fdir_prof[fltr_ptype]);
 181                 hw->fdir_prof[fltr_ptype] = NULL;
 182         }
 183
 184         rte_free(hw->fdir_prof);
 185         hw->fdir_prof = NULL;
 186
 187         return -ENOMEM;
 188 }
 189
 190 static int
 191 ice_fdir_counter_pool_add(__rte_unused struct ice_pf *pf,
 192                           struct ice_fdir_counter_pool_container *container,
 193                           uint32_t index_start,
 194                           uint32_t len)
 195 {
 196         struct ice_fdir_counter_pool *pool;
 197         uint32_t i;
 198         int ret = 0;
 199
 200         pool = rte_zmalloc("ice_fdir_counter_pool",
 201                            sizeof(*pool) +
 202                            sizeof(struct ice_fdir_counter) * len,
 203                            0);
 204         if (!pool) {
 205                 PMD_INIT_LOG(ERR,
 206                              "Failed to allocate memory for fdir counter pool");
 207                 return -ENOMEM;
 208         }
 209
 210         TAILQ_INIT(&pool->counter_list);
 211         TAILQ_INSERT_TAIL(&container->pool_list, pool, next);
 212
 213         for (i = 0; i < len; i++) {
 214                 struct ice_fdir_counter *counter = &pool->counters[i];
 215
 216                 counter->hw_index = index_start + i;
 217                 TAILQ_INSERT_TAIL(&pool->counter_list, counter, next);
 218         }
 219
 220         if (container->index_free == ICE_FDIR_COUNTER_MAX_POOL_SIZE) {
 221                 PMD_INIT_LOG(ERR, "FDIR counter pool is full");
 222                 ret = -EINVAL;
 223                 goto free_pool;
 224         }
 225
 226         container->pools[container->index_free++] = pool;
 227         return 0;
 228
 229 free_pool:
 230         rte_free(pool);
 231         return ret;
 232 }
 233
 234 static int
 235 ice_fdir_counter_init(struct ice_pf *pf)
 236 {
 237         struct ice_hw *hw = ICE_PF_TO_HW(pf);
 238         struct ice_fdir_info *fdir_info = &pf->fdir;
 239         struct ice_fdir_counter_pool_container *container =
 240                                 &fdir_info->counter;
 241         uint32_t cnt_index, len;
 242         int ret;
 243
 244         TAILQ_INIT(&container->pool_list);
 245
 246         cnt_index = ICE_FDIR_COUNTER_INDEX(hw->fd_ctr_base);
 247         len = ICE_FDIR_COUNTERS_PER_BLOCK;
 248
 249         ret = ice_fdir_counter_pool_add(pf, container, cnt_index, len);
 250         if (ret) {
 251                 PMD_INIT_LOG(ERR, "Failed to add fdir pool to container");
 252                 return ret;
 253         }
 254
 255         return 0;
 256 }
 257
 258 static int
 259 ice_fdir_counter_release(struct ice_pf *pf)
 260 {
 261         struct ice_fdir_info *fdir_info = &pf->fdir;
 262         struct ice_fdir_counter_pool_container *container =
 263                                 &fdir_info->counter;
 264         uint8_t i;
 265
 266         for (i = 0; i < container->index_free; i++) {
 267                 rte_free(container->pools[i]);
 268                 container->pools[i] = NULL;
 269         }
 270
 271         TAILQ_INIT(&container->pool_list);
 272         container->index_free = 0;
 273
 274         return 0;
 275 }
 276
 277 static struct ice_fdir_counter *
 278 ice_fdir_counter_shared_search(struct ice_fdir_counter_pool_container
 279                                         *container,
 280                                uint32_t id)
 281 {
 282         struct ice_fdir_counter_pool *pool;
 283         struct ice_fdir_counter *counter;
 284         int i;
 285
 286         TAILQ_FOREACH(pool, &container->pool_list, next) {
 287                 for (i = 0; i < ICE_FDIR_COUNTERS_PER_BLOCK; i++) {
 288                         counter = &pool->counters[i];
 289
 290                         if (counter->shared &&
 291                             counter->ref_cnt &&
 292                             counter->id == id)
 293                                 return counter;
 294                 }
 295         }
 296
 297         return NULL;
 298 }
 299
 300 static struct ice_fdir_counter *
 301 ice_fdir_counter_alloc(struct ice_pf *pf, uint32_t shared, uint32_t id)
 302 {
 303         struct ice_hw *hw = ICE_PF_TO_HW(pf);
 304         struct ice_fdir_info *fdir_info = &pf->fdir;
 305         struct ice_fdir_counter_pool_container *container =
 306                                 &fdir_info->counter;
 307         struct ice_fdir_counter_pool *pool = NULL;
 308         struct ice_fdir_counter *counter_free = NULL;
 309
 310         if (shared) {
 311                 counter_free = ice_fdir_counter_shared_search(container, id);
 312                 if (counter_free) {
 313                         if (counter_free->ref_cnt + 1 == 0) {
 314                                 rte_errno = E2BIG;
 315                                 return NULL;
 316                         }
 317                         counter_free->ref_cnt++;
 318                         return counter_free;
 319                 }
 320         }
 321
 322         TAILQ_FOREACH(pool, &container->pool_list, next) {
 323                 counter_free = TAILQ_FIRST(&pool->counter_list);
 324                 if (counter_free)
 325                         break;
 326                 counter_free = NULL;
 327         }
 328
 329         if (!counter_free) {
 330                 PMD_DRV_LOG(ERR, "No free counter found\n");
 331                 return NULL;
 332         }
 333
 334         counter_free->shared = shared;
 335         counter_free->id = id;
 336         counter_free->ref_cnt = 1;
 337         counter_free->pool = pool;
 338
 339         /* reset statistic counter value */
 340         ICE_WRITE_REG(hw, GLSTAT_FD_CNT0H(counter_free->hw_index), 0);
 341         ICE_WRITE_REG(hw, GLSTAT_FD_CNT0L(counter_free->hw_index), 0);
 342
 343         TAILQ_REMOVE(&pool->counter_list, counter_free, next);
 344         if (TAILQ_EMPTY(&pool->counter_list)) {
 345                 TAILQ_REMOVE(&container->pool_list, pool, next);
 346                 TAILQ_INSERT_TAIL(&container->pool_list, pool, next);
 347         }
 348
 349         return counter_free;
 350 }
 351
 352 static void
 353 ice_fdir_counter_free(__rte_unused struct ice_pf *pf,
 354                       struct ice_fdir_counter *counter)
 355 {
 356         if (!counter)
 357                 return;
 358
 359         if (--counter->ref_cnt == 0) {
 360                 struct ice_fdir_counter_pool *pool = counter->pool;
 361
 362                 TAILQ_INSERT_TAIL(&pool->counter_list, counter, next);
 363         }
 364 }
 365
 366 static int
 367 ice_fdir_init_filter_list(struct ice_pf *pf)
 368 {
 369         struct rte_eth_dev *dev = pf->adapter->eth_dev;
 370         struct ice_fdir_info *fdir_info = &pf->fdir;
 371         char fdir_hash_name[RTE_HASH_NAMESIZE];
 372         int ret;
 373
 374         struct rte_hash_parameters fdir_hash_params = {
 375                 .name = fdir_hash_name,
 376                 .entries = ICE_MAX_FDIR_FILTER_NUM,
 377                 .key_len = sizeof(struct ice_fdir_fltr_pattern),
 378                 .hash_func = rte_hash_crc,
 379                 .hash_func_init_val = 0,
 380                 .socket_id = rte_socket_id(),
 381                 .extra_flag = RTE_HASH_EXTRA_FLAGS_EXT_TABLE,
 382         };
 383
 384         /* Initialize hash */
 385         snprintf(fdir_hash_name, RTE_HASH_NAMESIZE,
 386                  "fdir_%s", dev->device->name);
 387         fdir_info->hash_table = rte_hash_create(&fdir_hash_params);
 388         if (!fdir_info->hash_table) {
 389                 PMD_INIT_LOG(ERR, "Failed to create fdir hash table!");
 390                 return -EINVAL;
 391         }
 392         fdir_info->hash_map = rte_zmalloc("ice_fdir_hash_map",
 393                                           sizeof(*fdir_info->hash_map) *
 394                                           ICE_MAX_FDIR_FILTER_NUM,
 395                                           0);
 396         if (!fdir_info->hash_map) {
 397                 PMD_INIT_LOG(ERR,
 398                              "Failed to allocate memory for fdir hash map!");
 399                 ret = -ENOMEM;
 400                 goto err_fdir_hash_map_alloc;
 401         }
 402         return 0;
 403
 404 err_fdir_hash_map_alloc:
 405         rte_hash_free(fdir_info->hash_table);
 406
 407         return ret;
 408 }
 409
 410 static void
 411 ice_fdir_release_filter_list(struct ice_pf *pf)
 412 {
 413         struct ice_fdir_info *fdir_info = &pf->fdir;
 414
 415         if (fdir_info->hash_map)
 416                 rte_free(fdir_info->hash_map);
 417         if (fdir_info->hash_table)
 418                 rte_hash_free(fdir_info->hash_table);
 419
 420         fdir_info->hash_map = NULL;
 421         fdir_info->hash_table = NULL;
 422 }
 423
 424 /*
 425  * ice_fdir_setup - reserve and initialize the Flow Director resources
 426  * @pf: board private structure
 427  */
 428 static int
 429 ice_fdir_setup(struct ice_pf *pf)
 430 {
 431         struct rte_eth_dev *eth_dev = pf->adapter->eth_dev;
 432         struct ice_hw *hw = ICE_PF_TO_HW(pf);
 433         const struct rte_memzone *mz = NULL;
 434         char z_name[RTE_MEMZONE_NAMESIZE];
 435         struct ice_vsi *vsi;
 436         int err = ICE_SUCCESS;
 437
 438         if ((pf->flags & ICE_FLAG_FDIR) == 0) {
 439                 PMD_INIT_LOG(ERR, "HW doesn't support FDIR");
 440                 return -ENOTSUP;
 441         }
 442
 443         PMD_DRV_LOG(INFO, "FDIR HW Capabilities: fd_fltr_guar = %u,"
 444                     " fd_fltr_best_effort = %u.",
 445                     hw->func_caps.fd_fltr_guar,
 446                     hw->func_caps.fd_fltr_best_effort);
 447
 448         if (pf->fdir.fdir_vsi) {
 449                 PMD_DRV_LOG(INFO, "FDIR initialization has been done.");
 450                 return ICE_SUCCESS;
 451         }
 452
 453         /* make new FDIR VSI */
 454         vsi = ice_setup_vsi(pf, ICE_VSI_CTRL);
 455         if (!vsi) {
 456                 PMD_DRV_LOG(ERR, "Couldn't create FDIR VSI.");
 457                 return -EINVAL;
 458         }
 459         pf->fdir.fdir_vsi = vsi;
 460
 461         err = ice_fdir_init_filter_list(pf);
 462         if (err) {
 463                 PMD_DRV_LOG(ERR, "Failed to init FDIR filter list.");
 464                 return -EINVAL;
 465         }
 466
 467         err = ice_fdir_counter_init(pf);
 468         if (err) {
 469                 PMD_DRV_LOG(ERR, "Failed to init FDIR counter.");
 470                 return -EINVAL;
 471         }
 472
 473         /*Fdir tx queue setup*/
 474         err = ice_fdir_setup_tx_resources(pf);
 475         if (err) {
 476                 PMD_DRV_LOG(ERR, "Failed to setup FDIR TX resources.");
 477                 goto fail_setup_tx;
 478         }
 479
 480         /*Fdir rx queue setup*/
 481         err = ice_fdir_setup_rx_resources(pf);
 482         if (err) {
 483                 PMD_DRV_LOG(ERR, "Failed to setup FDIR RX resources.");
 484                 goto fail_setup_rx;
 485         }
 486
 487         err = ice_fdir_tx_queue_start(eth_dev, pf->fdir.txq->queue_id);
 488         if (err) {
 489                 PMD_DRV_LOG(ERR, "Failed to start FDIR TX queue.");
 490                 goto fail_mem;
 491         }
 492
 493         err = ice_fdir_rx_queue_start(eth_dev, pf->fdir.rxq->queue_id);
 494         if (err) {
 495                 PMD_DRV_LOG(ERR, "Failed to start FDIR RX queue.");
 496                 goto fail_mem;
 497         }
 498
 499         /* Enable FDIR MSIX interrupt */
 500         vsi->nb_used_qps = 1;
 501         ice_vsi_queues_bind_intr(vsi);
 502         ice_vsi_enable_queues_intr(vsi);
 503
 504         /* reserve memory for the fdir programming packet */
 505         snprintf(z_name, sizeof(z_name), "ICE_%s_%d",
 506                  ICE_FDIR_MZ_NAME,
 507                  eth_dev->data->port_id);
 508         mz = ice_memzone_reserve(z_name, ICE_FDIR_PKT_LEN, SOCKET_ID_ANY);
 509         if (!mz) {
 510                 PMD_DRV_LOG(ERR, "Cannot init memzone for "
 511                             "flow director program packet.");
 512                 err = -ENOMEM;
 513                 goto fail_mem;
 514         }
 515         pf->fdir.prg_pkt = mz->addr;
 516         pf->fdir.dma_addr = mz->iova;
 517         pf->fdir.mz = mz;
 518
 519         err = ice_fdir_prof_alloc(hw);
 520         if (err) {
 521                 PMD_DRV_LOG(ERR, "Cannot allocate memory for "
 522                             "flow director profile.");
 523                 err = -ENOMEM;
 524                 goto fail_prof;
 525         }
 526
 527         PMD_DRV_LOG(INFO, "FDIR setup successfully, with programming queue %u.",
 528                     vsi->base_queue);
 529         return ICE_SUCCESS;
 530
 531 fail_prof:
 532         rte_memzone_free(pf->fdir.mz);
 533         pf->fdir.mz = NULL;
 534 fail_mem:
 535         ice_rx_queue_release(pf->fdir.rxq);
 536         pf->fdir.rxq = NULL;
 537 fail_setup_rx:
 538         ice_tx_queue_release(pf->fdir.txq);
 539         pf->fdir.txq = NULL;
 540 fail_setup_tx:
 541         ice_release_vsi(vsi);
 542         pf->fdir.fdir_vsi = NULL;
 543         return err;
 544 }
 545
 546 static void
 547 ice_fdir_prof_free(struct ice_hw *hw)
 548 {
 549         enum ice_fltr_ptype ptype;
 550
 551         for (ptype = ICE_FLTR_PTYPE_NONF_NONE + 1;
 552              ptype < ICE_FLTR_PTYPE_MAX;
 553              ptype++) {
 554                 rte_free(hw->fdir_prof[ptype]);
 555                 hw->fdir_prof[ptype] = NULL;
 556         }
 557
 558         rte_free(hw->fdir_prof);
 559         hw->fdir_prof = NULL;
 560 }
 561
 562 /* Remove a profile for some filter type */
 563 static void
 564 ice_fdir_prof_rm(struct ice_pf *pf, enum ice_fltr_ptype ptype, bool is_tunnel)
 565 {
 566         struct ice_hw *hw = ICE_PF_TO_HW(pf);
 567         struct ice_fd_hw_prof *hw_prof;
 568         uint64_t prof_id;
 569         uint16_t vsi_num;
 570         int i;
 571
 572         if (!hw->fdir_prof || !hw->fdir_prof[ptype])
 573                 return;
 574
 575         hw_prof = hw->fdir_prof[ptype];
 576
 577         prof_id = ptype + is_tunnel * ICE_FLTR_PTYPE_MAX;
 578         for (i = 0; i < pf->hw_prof_cnt[ptype][is_tunnel]; i++) {
 579                 if (hw_prof->entry_h[i][is_tunnel]) {
 580                         vsi_num = ice_get_hw_vsi_num(hw,
 581                                                      hw_prof->vsi_h[i]);
 582                         ice_rem_prof_id_flow(hw, ICE_BLK_FD,
 583                                              vsi_num, ptype);
 584                         ice_flow_rem_entry(hw,
 585                                            hw_prof->entry_h[i][is_tunnel]);
 586                         hw_prof->entry_h[i][is_tunnel] = 0;
 587                 }
 588         }
 589         ice_flow_rem_prof(hw, ICE_BLK_FD, prof_id);
 590         rte_free(hw_prof->fdir_seg[is_tunnel]);
 591         hw_prof->fdir_seg[is_tunnel] = NULL;
 592
 593         for (i = 0; i < hw_prof->cnt; i++)
 594                 hw_prof->vsi_h[i] = 0;
 595         pf->hw_prof_cnt[ptype][is_tunnel] = 0;
 596 }
 597
 598 /* Remove all created profiles */
 599 static void
 600 ice_fdir_prof_rm_all(struct ice_pf *pf)
 601 {
 602         enum ice_fltr_ptype ptype;
 603
 604         for (ptype = ICE_FLTR_PTYPE_NONF_NONE + 1;
 605              ptype < ICE_FLTR_PTYPE_MAX;
 606              ptype++) {
 607                 ice_fdir_prof_rm(pf, ptype, false);
 608                 ice_fdir_prof_rm(pf, ptype, true);
 609         }
 610 }
 611
 612 /*
 613  * ice_fdir_teardown - release the Flow Director resources
 614  * @pf: board private structure
 615  */
 616 static void
 617 ice_fdir_teardown(struct ice_pf *pf)
 618 {
 619         struct rte_eth_dev *eth_dev = pf->adapter->eth_dev;
 620         struct ice_hw *hw = ICE_PF_TO_HW(pf);
 621         struct ice_vsi *vsi;
 622         int err;
 623
 624         vsi = pf->fdir.fdir_vsi;
 625         if (!vsi)
 626                 return;
 627
 628         ice_vsi_disable_queues_intr(vsi);
 629
 630         err = ice_fdir_tx_queue_stop(eth_dev, pf->fdir.txq->queue_id);
 631         if (err)
 632                 PMD_DRV_LOG(ERR, "Failed to stop TX queue.");
 633
 634         err = ice_fdir_rx_queue_stop(eth_dev, pf->fdir.rxq->queue_id);
 635         if (err)
 636                 PMD_DRV_LOG(ERR, "Failed to stop RX queue.");
 637
 638         err = ice_fdir_counter_release(pf);
 639         if (err)
 640                 PMD_DRV_LOG(ERR, "Failed to release FDIR counter resource.");
 641
 642         ice_fdir_release_filter_list(pf);
 643
 644         ice_tx_queue_release(pf->fdir.txq);
 645         pf->fdir.txq = NULL;
 646         ice_rx_queue_release(pf->fdir.rxq);
 647         pf->fdir.rxq = NULL;
 648         ice_fdir_prof_rm_all(pf);
 649         ice_fdir_prof_free(hw);
 650         ice_release_vsi(vsi);
 651         pf->fdir.fdir_vsi = NULL;
 652
 653         if (pf->fdir.mz) {
 654                 err = rte_memzone_free(pf->fdir.mz);
 655                 pf->fdir.mz = NULL;
 656                 if (err)
 657                         PMD_DRV_LOG(ERR, "Failed to free FDIR memezone.");
 658         }
 659 }
 660
 661 static int
 662 ice_fdir_cur_prof_conflict(struct ice_pf *pf,
 663                            enum ice_fltr_ptype ptype,
 664                            struct ice_flow_seg_info *seg,
 665                            bool is_tunnel)
 666 {
 667         struct ice_hw *hw = ICE_PF_TO_HW(pf);
 668         struct ice_flow_seg_info *ori_seg;
 669         struct ice_fd_hw_prof *hw_prof;
 670
 671         hw_prof = hw->fdir_prof[ptype];
 672         ori_seg = hw_prof->fdir_seg[is_tunnel];
 673
 674         /* profile does not exist */
 675         if (!ori_seg)
 676                 return 0;
 677
 678         /* if no input set conflict, return -EEXIST */
 679         if ((!is_tunnel && !memcmp(ori_seg, seg, sizeof(*seg))) ||
 680             (is_tunnel && !memcmp(&ori_seg[1], &seg[1], sizeof(*seg)))) {
 681                 PMD_DRV_LOG(DEBUG, "Profile already exists for flow type %d.",
 682                             ptype);
 683                 return -EEXIST;
 684         }
 685
 686         /* a rule with input set conflict already exist, so give up */
 687         if (pf->fdir_fltr_cnt[ptype][is_tunnel]) {
 688                 PMD_DRV_LOG(DEBUG, "Failed to create profile for flow type %d due to conflict with existing rule.",
 689                             ptype);
 690                 return -EINVAL;
 691         }
 692
 693         /* it's safe to delete an empty profile */
 694         ice_fdir_prof_rm(pf, ptype, is_tunnel);
 695         return 0;
 696 }
 697
 698 static bool
 699 ice_fdir_prof_resolve_conflict(struct ice_pf *pf,
 700                                enum ice_fltr_ptype ptype,
 701                                bool is_tunnel)
 702 {
 703         struct ice_hw *hw = ICE_PF_TO_HW(pf);
 704         struct ice_fd_hw_prof *hw_prof;
 705         struct ice_flow_seg_info *seg;
 706
 707         hw_prof = hw->fdir_prof[ptype];
 708         seg = hw_prof->fdir_seg[is_tunnel];
 709
 710         /* profile does not exist */
 711         if (!seg)
 712                 return true;
 713
 714         /* profile exists and rule exists, fail to resolve the conflict */
 715         if (pf->fdir_fltr_cnt[ptype][is_tunnel] != 0)
 716                 return false;
 717
 718         /* it's safe to delete an empty profile */
 719         ice_fdir_prof_rm(pf, ptype, is_tunnel);
 720
 721         return true;
 722 }
 723
 724 static int
 725 ice_fdir_cross_prof_conflict(struct ice_pf *pf,
 726                              enum ice_fltr_ptype ptype,
 727                              bool is_tunnel)
 728 {
 729         enum ice_fltr_ptype cflct_ptype;
 730
 731         switch (ptype) {
 732         /* IPv4 */
 733         case ICE_FLTR_PTYPE_NONF_IPV4_UDP:
 734         case ICE_FLTR_PTYPE_NONF_IPV4_TCP:
 735         case ICE_FLTR_PTYPE_NONF_IPV4_SCTP:
 736                 cflct_ptype = ICE_FLTR_PTYPE_NONF_IPV4_OTHER;
 737                 if (!ice_fdir_prof_resolve_conflict
 738                         (pf, cflct_ptype, is_tunnel))
 739                         goto err;
 740                 break;
 741         case ICE_FLTR_PTYPE_NONF_IPV4_OTHER:
 742                 cflct_ptype = ICE_FLTR_PTYPE_NONF_IPV4_UDP;
 743                 if (!ice_fdir_prof_resolve_conflict
 744                         (pf, cflct_ptype, is_tunnel))
 745                         goto err;
 746                 cflct_ptype = ICE_FLTR_PTYPE_NONF_IPV4_TCP;
 747                 if (!ice_fdir_prof_resolve_conflict
 748                         (pf, cflct_ptype, is_tunnel))
 749                         goto err;
 750                 cflct_ptype = ICE_FLTR_PTYPE_NONF_IPV4_SCTP;
 751                 if (!ice_fdir_prof_resolve_conflict
 752                         (pf, cflct_ptype, is_tunnel))
 753                         goto err;
 754                 break;
 755         /* IPv4 GTPU */
 756         case ICE_FLTR_PTYPE_NONF_IPV4_GTPU_IPV4_UDP:
 757         case ICE_FLTR_PTYPE_NONF_IPV4_GTPU_IPV4_TCP:
 758         case ICE_FLTR_PTYPE_NONF_IPV4_GTPU_IPV4_ICMP:
 759                 cflct_ptype = ICE_FLTR_PTYPE_NONF_IPV4_GTPU_IPV4_OTHER;
 760                 if (!ice_fdir_prof_resolve_conflict
 761                         (pf, cflct_ptype, is_tunnel))
 762                         goto err;
 763                 break;
 764         case ICE_FLTR_PTYPE_NONF_IPV4_GTPU_IPV4_OTHER:
 765                 cflct_ptype = ICE_FLTR_PTYPE_NONF_IPV4_GTPU_IPV4_OTHER;
 766                 if (!ice_fdir_prof_resolve_conflict
 767                         (pf, cflct_ptype, is_tunnel))
 768                         goto err;
 769                 cflct_ptype = ICE_FLTR_PTYPE_NONF_IPV4_GTPU_IPV4_OTHER;
 770                 if (!ice_fdir_prof_resolve_conflict
 771                         (pf, cflct_ptype, is_tunnel))
 772                         goto err;
 773                 cflct_ptype = ICE_FLTR_PTYPE_NONF_IPV4_GTPU_IPV4_OTHER;
 774                 if (!ice_fdir_prof_resolve_conflict
 775                         (pf, cflct_ptype, is_tunnel))
 776                         goto err;
 777                 break;
 778         /* IPv6 */
 779         case ICE_FLTR_PTYPE_NONF_IPV6_UDP:
 780         case ICE_FLTR_PTYPE_NONF_IPV6_TCP:
 781         case ICE_FLTR_PTYPE_NONF_IPV6_SCTP:
 782                 cflct_ptype = ICE_FLTR_PTYPE_NONF_IPV6_OTHER;
 783                 if (!ice_fdir_prof_resolve_conflict
 784                         (pf, cflct_ptype, is_tunnel))
 785                         goto err;
 786                 break;
 787         case ICE_FLTR_PTYPE_NONF_IPV6_OTHER:
 788                 cflct_ptype = ICE_FLTR_PTYPE_NONF_IPV6_UDP;
 789                 if (!ice_fdir_prof_resolve_conflict
 790                         (pf, cflct_ptype, is_tunnel))
 791                         goto err;
 792                 cflct_ptype = ICE_FLTR_PTYPE_NONF_IPV6_TCP;
 793                 if (!ice_fdir_prof_resolve_conflict
 794                         (pf, cflct_ptype, is_tunnel))
 795                         goto err;
 796                 cflct_ptype = ICE_FLTR_PTYPE_NONF_IPV6_SCTP;
 797                 if (!ice_fdir_prof_resolve_conflict
 798                         (pf, cflct_ptype, is_tunnel))
 799                         goto err;
 800                 break;
 801         default:
 802                 break;
 803         }
 804         return 0;
 805 err:
 806         PMD_DRV_LOG(DEBUG, "Failed to create profile for flow type %d due to conflict with existing rule of flow type %d.",
 807                     ptype, cflct_ptype);
 808         return -EINVAL;
 809 }
 810
 811 static int
 812 ice_fdir_hw_tbl_conf(struct ice_pf *pf, struct ice_vsi *vsi,
 813                      struct ice_vsi *ctrl_vsi,
 814                      struct ice_flow_seg_info *seg,
 815                      enum ice_fltr_ptype ptype,
 816                      bool is_tunnel)
 817 {
 818         struct ice_hw *hw = ICE_PF_TO_HW(pf);
 819         enum ice_flow_dir dir = ICE_FLOW_RX;
 820         struct ice_fd_hw_prof *hw_prof;
 821         struct ice_flow_prof *prof;
 822         uint64_t entry_1 = 0;
 823         uint64_t entry_2 = 0;
 824         uint16_t vsi_num;
 825         int ret;
 826         uint64_t prof_id;
 827
 828         /* check if have input set conflict on current profile. */
 829         ret = ice_fdir_cur_prof_conflict(pf, ptype, seg, is_tunnel);
 830         if (ret)
 831                 return ret;
 832
 833         /* check if the profile is conflict with other profile. */
 834         ret = ice_fdir_cross_prof_conflict(pf, ptype, is_tunnel);
 835         if (ret)
 836                 return ret;
 837
 838         prof_id = ptype + is_tunnel * ICE_FLTR_PTYPE_MAX;
 839         ret = ice_flow_add_prof(hw, ICE_BLK_FD, dir, prof_id, seg,
 840                                 (is_tunnel) ? 2 : 1, NULL, 0, &prof);
 841         if (ret)
 842                 return ret;
 843         ret = ice_flow_add_entry(hw, ICE_BLK_FD, prof_id, vsi->idx,
 844                                  vsi->idx, ICE_FLOW_PRIO_NORMAL,
 845                                  seg, NULL, 0, &entry_1);
 846         if (ret) {
 847                 PMD_DRV_LOG(ERR, "Failed to add main VSI flow entry for %d.",
 848                             ptype);
 849                 goto err_add_prof;
 850         }
 851         ret = ice_flow_add_entry(hw, ICE_BLK_FD, prof_id, vsi->idx,
 852                                  ctrl_vsi->idx, ICE_FLOW_PRIO_NORMAL,
 853                                  seg, NULL, 0, &entry_2);
 854         if (ret) {
 855                 PMD_DRV_LOG(ERR, "Failed to add control VSI flow entry for %d.",
 856                             ptype);
 857                 goto err_add_entry;
 858         }
 859
 860         hw_prof = hw->fdir_prof[ptype];
 861         pf->hw_prof_cnt[ptype][is_tunnel] = 0;
 862         hw_prof->cnt = 0;
 863         hw_prof->fdir_seg[is_tunnel] = seg;
 864         hw_prof->vsi_h[hw_prof->cnt] = vsi->idx;
 865         hw_prof->entry_h[hw_prof->cnt++][is_tunnel] = entry_1;
 866         pf->hw_prof_cnt[ptype][is_tunnel]++;
 867         hw_prof->vsi_h[hw_prof->cnt] = ctrl_vsi->idx;
 868         hw_prof->entry_h[hw_prof->cnt++][is_tunnel] = entry_2;
 869         pf->hw_prof_cnt[ptype][is_tunnel]++;
 870
 871         return ret;
 872
 873 err_add_entry:
 874         vsi_num = ice_get_hw_vsi_num(hw, vsi->idx);
 875         ice_rem_prof_id_flow(hw, ICE_BLK_FD, vsi_num, prof_id);
 876         ice_flow_rem_entry(hw, entry_1);
 877 err_add_prof:
 878         ice_flow_rem_prof(hw, ICE_BLK_FD, prof_id);
 879
 880         return ret;
 881 }
 882
 883 static void
 884 ice_fdir_input_set_parse(uint64_t inset, enum ice_flow_field *field)
 885 {
 886         uint32_t i, j;
 887
 888         struct ice_inset_map {
 889                 uint64_t inset;
 890                 enum ice_flow_field fld;
 891         };
 892         static const struct ice_inset_map ice_inset_map[] = {
 893                 {ICE_INSET_DMAC, ICE_FLOW_FIELD_IDX_ETH_DA},
 894                 {ICE_INSET_IPV4_SRC, ICE_FLOW_FIELD_IDX_IPV4_SA},
 895                 {ICE_INSET_IPV4_DST, ICE_FLOW_FIELD_IDX_IPV4_DA},
 896                 {ICE_INSET_IPV4_TOS, ICE_FLOW_FIELD_IDX_IPV4_DSCP},
 897                 {ICE_INSET_IPV4_TTL, ICE_FLOW_FIELD_IDX_IPV4_TTL},
 898                 {ICE_INSET_IPV4_PROTO, ICE_FLOW_FIELD_IDX_IPV4_PROT},
 899                 {ICE_INSET_IPV6_SRC, ICE_FLOW_FIELD_IDX_IPV6_SA},
 900                 {ICE_INSET_IPV6_DST, ICE_FLOW_FIELD_IDX_IPV6_DA},
 901                 {ICE_INSET_IPV6_TC, ICE_FLOW_FIELD_IDX_IPV6_DSCP},
 902                 {ICE_INSET_IPV6_NEXT_HDR, ICE_FLOW_FIELD_IDX_IPV6_PROT},
 903                 {ICE_INSET_IPV6_HOP_LIMIT, ICE_FLOW_FIELD_IDX_IPV6_TTL},
 904                 {ICE_INSET_TCP_SRC_PORT, ICE_FLOW_FIELD_IDX_TCP_SRC_PORT},
 905                 {ICE_INSET_TCP_DST_PORT, ICE_FLOW_FIELD_IDX_TCP_DST_PORT},
 906                 {ICE_INSET_UDP_SRC_PORT, ICE_FLOW_FIELD_IDX_UDP_SRC_PORT},
 907                 {ICE_INSET_UDP_DST_PORT, ICE_FLOW_FIELD_IDX_UDP_DST_PORT},
 908                 {ICE_INSET_SCTP_SRC_PORT, ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT},
 909                 {ICE_INSET_SCTP_DST_PORT, ICE_FLOW_FIELD_IDX_SCTP_DST_PORT},
 910                 {ICE_INSET_TUN_IPV4_SRC, ICE_FLOW_FIELD_IDX_IPV4_SA},
 911                 {ICE_INSET_TUN_IPV4_DST, ICE_FLOW_FIELD_IDX_IPV4_DA},
 912                 {ICE_INSET_TUN_TCP_SRC_PORT, ICE_FLOW_FIELD_IDX_TCP_SRC_PORT},
 913                 {ICE_INSET_TUN_TCP_DST_PORT, ICE_FLOW_FIELD_IDX_TCP_DST_PORT},
 914                 {ICE_INSET_TUN_UDP_SRC_PORT, ICE_FLOW_FIELD_IDX_UDP_SRC_PORT},
 915                 {ICE_INSET_TUN_UDP_DST_PORT, ICE_FLOW_FIELD_IDX_UDP_DST_PORT},
 916                 {ICE_INSET_TUN_SCTP_SRC_PORT, ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT},
 917                 {ICE_INSET_TUN_SCTP_DST_PORT, ICE_FLOW_FIELD_IDX_SCTP_DST_PORT},
 918                 {ICE_INSET_GTPU_TEID, ICE_FLOW_FIELD_IDX_GTPU_EH_TEID},
 919                 {ICE_INSET_GTPU_QFI, ICE_FLOW_FIELD_IDX_GTPU_EH_QFI},
 920         };
 921
 922         for (i = 0, j = 0; i < RTE_DIM(ice_inset_map); i++) {
 923                 if ((inset & ice_inset_map[i].inset) ==
 924                     ice_inset_map[i].inset)
 925                         field[j++] = ice_inset_map[i].fld;
 926         }
 927 }
 928
 929 static int
 930 ice_fdir_input_set_conf(struct ice_pf *pf, enum ice_fltr_ptype flow,
 931                         uint64_t input_set, bool is_tunnel)
 932 {
 933         struct ice_flow_seg_info *seg;
 934         struct ice_flow_seg_info *seg_tun = NULL;
 935         enum ice_flow_field field[ICE_FLOW_FIELD_IDX_MAX];
 936         int i, ret;
 937
 938         if (!input_set)
 939                 return -EINVAL;
 940
 941         seg = (struct ice_flow_seg_info *)
 942                 ice_malloc(hw, sizeof(*seg));
 943         if (!seg) {
 944                 PMD_DRV_LOG(ERR, "No memory can be allocated");
 945                 return -ENOMEM;
 946         }
 947
 948         for (i = 0; i < ICE_FLOW_FIELD_IDX_MAX; i++)
 949                 field[i] = ICE_FLOW_FIELD_IDX_MAX;
 950         ice_fdir_input_set_parse(input_set, field);
 951
 952         switch (flow) {
 953         case ICE_FLTR_PTYPE_NONF_IPV4_UDP:
 954                 ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_UDP |
 955                                   ICE_FLOW_SEG_HDR_IPV4);
 956                 break;
 957         case ICE_FLTR_PTYPE_NONF_IPV4_TCP:
 958                 ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_TCP |
 959                                   ICE_FLOW_SEG_HDR_IPV4);
 960                 break;
 961         case ICE_FLTR_PTYPE_NONF_IPV4_SCTP:
 962                 ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_SCTP |
 963                                   ICE_FLOW_SEG_HDR_IPV4);
 964                 break;
 965         case ICE_FLTR_PTYPE_NONF_IPV4_OTHER:
 966                 ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_IPV4);
 967                 break;
 968         case ICE_FLTR_PTYPE_NONF_IPV6_UDP:
 969                 ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_UDP |
 970                                   ICE_FLOW_SEG_HDR_IPV6);
 971                 break;
 972         case ICE_FLTR_PTYPE_NONF_IPV6_TCP:
 973                 ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_TCP |
 974                                   ICE_FLOW_SEG_HDR_IPV6);
 975                 break;
 976         case ICE_FLTR_PTYPE_NONF_IPV6_SCTP:
 977                 ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_SCTP |
 978                                   ICE_FLOW_SEG_HDR_IPV6);
 979                 break;
 980         case ICE_FLTR_PTYPE_NONF_IPV6_OTHER:
 981                 ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_IPV6);
 982                 break;
 983         case ICE_FLTR_PTYPE_NONF_IPV4_GTPU_IPV4_UDP:
 984         case ICE_FLTR_PTYPE_NONF_IPV4_GTPU_IPV4_TCP:
 985         case ICE_FLTR_PTYPE_NONF_IPV4_GTPU_IPV4_ICMP:
 986         case ICE_FLTR_PTYPE_NONF_IPV4_GTPU_IPV4_OTHER:
 987                 ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_GTPU_EH |
 988                                        ICE_FLOW_SEG_HDR_GTPU_IP |
 989                                   ICE_FLOW_SEG_HDR_IPV4);
 990                 break;
 991         default:
 992                 PMD_DRV_LOG(ERR, "not supported filter type.");
 993                 break;
 994         }
 995
 996         for (i = 0; field[i] != ICE_FLOW_FIELD_IDX_MAX; i++) {
 997                 ice_flow_set_fld(seg, field[i],
 998                                  ICE_FLOW_FLD_OFF_INVAL,
 999                                  ICE_FLOW_FLD_OFF_INVAL,
1000                                  ICE_FLOW_FLD_OFF_INVAL, false);
1001         }
1002
1003         if (!is_tunnel) {
1004                 ret = ice_fdir_hw_tbl_conf(pf, pf->main_vsi, pf->fdir.fdir_vsi,
1005                                            seg, flow, false);
1006         } else {
1007                 seg_tun = (struct ice_flow_seg_info *)
1008                         ice_malloc(hw, sizeof(*seg) * ICE_FD_HW_SEG_MAX);
1009                 if (!seg_tun) {
1010                         PMD_DRV_LOG(ERR, "No memory can be allocated");
1011                         rte_free(seg);
1012                         return -ENOMEM;
1013                 }
1014                 rte_memcpy(&seg_tun[1], seg, sizeof(*seg));
1015                 ret = ice_fdir_hw_tbl_conf(pf, pf->main_vsi, pf->fdir.fdir_vsi,
1016                                            seg_tun, flow, true);
1017         }
1018
1019         if (!ret) {
1020                 return ret;
1021         } else if (ret < 0) {
1022                 rte_free(seg);
1023                 if (is_tunnel)
1024                         rte_free(seg_tun);
1025                 return (ret == -EEXIST) ? 0 : ret;
1026         } else {
1027                 return ret;
1028         }
1029 }
1030
1031 static void
1032 ice_fdir_cnt_update(struct ice_pf *pf, enum ice_fltr_ptype ptype,
1033                     bool is_tunnel, bool add)
1034 {
1035         struct ice_hw *hw = ICE_PF_TO_HW(pf);
1036         int cnt;
1037
1038         cnt = (add) ? 1 : -1;
1039         hw->fdir_active_fltr += cnt;
1040         if (ptype == ICE_FLTR_PTYPE_NONF_NONE || ptype >= ICE_FLTR_PTYPE_MAX)
1041                 PMD_DRV_LOG(ERR, "Unknown filter type %d", ptype);
1042         else
1043                 pf->fdir_fltr_cnt[ptype][is_tunnel] += cnt;
1044 }
1045
1046 static int
1047 ice_fdir_init(struct ice_adapter *ad)
1048 {
1049         struct ice_pf *pf = &ad->pf;
1050         struct ice_flow_parser *parser;
1051         int ret;
1052
1053         ret = ice_fdir_setup(pf);
1054         if (ret)
1055                 return ret;
1056
1057         if (ad->active_pkg_type == ICE_PKG_TYPE_COMMS)
1058                 parser = &ice_fdir_parser_comms;
1059         else if (ad->active_pkg_type == ICE_PKG_TYPE_OS_DEFAULT)
1060                 parser = &ice_fdir_parser_os;
1061         else
1062                 return -EINVAL;
1063
1064         return ice_register_parser(parser, ad);
1065 }
1066
1067 static void
1068 ice_fdir_uninit(struct ice_adapter *ad)
1069 {
1070         struct ice_pf *pf = &ad->pf;
1071         struct ice_flow_parser *parser;
1072
1073         if (ad->active_pkg_type == ICE_PKG_TYPE_COMMS)
1074                 parser = &ice_fdir_parser_comms;
1075         else
1076                 parser = &ice_fdir_parser_os;
1077
1078         ice_unregister_parser(parser, ad);
1079
1080         ice_fdir_teardown(pf);
1081 }
1082
1083 static int
1084 ice_fdir_is_tunnel_profile(enum ice_fdir_tunnel_type tunnel_type)
1085 {
1086         if (tunnel_type == ICE_FDIR_TUNNEL_TYPE_VXLAN)
1087                 return 1;
1088         else
1089                 return 0;
1090 }
1091
1092 static int
1093 ice_fdir_add_del_filter(struct ice_pf *pf,
1094                         struct ice_fdir_filter_conf *filter,
1095                         bool add)
1096 {
1097         struct ice_fltr_desc desc;
1098         struct ice_hw *hw = ICE_PF_TO_HW(pf);
1099         unsigned char *pkt = (unsigned char *)pf->fdir.prg_pkt;
1100         bool is_tun;
1101         int ret;
1102
1103         filter->input.dest_vsi = pf->main_vsi->idx;
1104
1105         memset(&desc, 0, sizeof(desc));
1106         ice_fdir_get_prgm_desc(hw, &filter->input, &desc, add);
1107
1108         is_tun = ice_fdir_is_tunnel_profile(filter->tunnel_type);
1109
1110         memset(pkt, 0, ICE_FDIR_PKT_LEN);
1111         ret = ice_fdir_get_gen_prgm_pkt(hw, &filter->input, pkt, false, is_tun);
1112         if (ret) {
1113                 PMD_DRV_LOG(ERR, "Generate dummy packet failed");
1114                 return -EINVAL;
1115         }
1116
1117         return ice_fdir_programming(pf, &desc);
1118 }
1119
1120 static void
1121 ice_fdir_extract_fltr_key(struct ice_fdir_fltr_pattern *key,
1122                           struct ice_fdir_filter_conf *filter)
1123 {
1124         struct ice_fdir_fltr *input = &filter->input;
1125         memset(key, 0, sizeof(*key));
1126
1127         key->flow_type = input->flow_type;
1128         rte_memcpy(&key->ip, &input->ip, sizeof(key->ip));
1129         rte_memcpy(&key->mask, &input->mask, sizeof(key->mask));
1130         rte_memcpy(&key->ext_data, &input->ext_data, sizeof(key->ext_data));
1131         rte_memcpy(&key->ext_mask, &input->ext_mask, sizeof(key->ext_mask));
1132
1133         rte_memcpy(&key->gtpu_data, &input->gtpu_data, sizeof(key->gtpu_data));
1134         rte_memcpy(&key->gtpu_mask, &input->gtpu_mask, sizeof(key->gtpu_mask));
1135
1136         key->tunnel_type = filter->tunnel_type;
1137 }
1138
1139 /* Check if there exists the flow director filter */
1140 static struct ice_fdir_filter_conf *
1141 ice_fdir_entry_lookup(struct ice_fdir_info *fdir_info,
1142                         const struct ice_fdir_fltr_pattern *key)
1143 {
1144         int ret;
1145
1146         ret = rte_hash_lookup(fdir_info->hash_table, key);
1147         if (ret < 0)
1148                 return NULL;
1149
1150         return fdir_info->hash_map[ret];
1151 }
1152
1153 /* Add a flow director entry into the SW list */
1154 static int
1155 ice_fdir_entry_insert(struct ice_pf *pf,
1156                       struct ice_fdir_filter_conf *entry,
1157                       struct ice_fdir_fltr_pattern *key)
1158 {
1159         struct ice_fdir_info *fdir_info = &pf->fdir;
1160         int ret;
1161
1162         ret = rte_hash_add_key(fdir_info->hash_table, key);
1163         if (ret < 0) {
1164                 PMD_DRV_LOG(ERR,
1165                             "Failed to insert fdir entry to hash table %d!",
1166                             ret);
1167                 return ret;
1168         }
1169         fdir_info->hash_map[ret] = entry;
1170
1171         return 0;
1172 }
1173
1174 /* Delete a flow director entry from the SW list */
1175 static int
1176 ice_fdir_entry_del(struct ice_pf *pf, struct ice_fdir_fltr_pattern *key)
1177 {
1178         struct ice_fdir_info *fdir_info = &pf->fdir;
1179         int ret;
1180
1181         ret = rte_hash_del_key(fdir_info->hash_table, key);
1182         if (ret < 0) {
1183                 PMD_DRV_LOG(ERR,
1184                             "Failed to delete fdir filter to hash table %d!",
1185                             ret);
1186                 return ret;
1187         }
1188         fdir_info->hash_map[ret] = NULL;
1189
1190         return 0;
1191 }
1192
1193 static int
1194 ice_fdir_create_filter(struct ice_adapter *ad,
1195                        struct rte_flow *flow,
1196                        void *meta,
1197                        struct rte_flow_error *error)
1198 {
1199         struct ice_pf *pf = &ad->pf;
1200         struct ice_fdir_filter_conf *filter = meta;
1201         struct ice_fdir_info *fdir_info = &pf->fdir;
1202         struct ice_fdir_filter_conf *entry, *node;
1203         struct ice_fdir_fltr_pattern key;
1204         bool is_tun;
1205         int ret;
1206
1207         ice_fdir_extract_fltr_key(&key, filter);
1208         node = ice_fdir_entry_lookup(fdir_info, &key);
1209         if (node) {
1210                 rte_flow_error_set(error, EEXIST,
1211                                    RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1212                                    "Rule already exists!");
1213                 return -rte_errno;
1214         }
1215
1216         entry = rte_zmalloc("fdir_entry", sizeof(*entry), 0);
1217         if (!entry) {
1218                 rte_flow_error_set(error, ENOMEM,
1219                                    RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1220                                    "Failed to allocate memory");
1221                 return -rte_errno;
1222         }
1223
1224         is_tun = ice_fdir_is_tunnel_profile(filter->tunnel_type);
1225
1226         ret = ice_fdir_input_set_conf(pf, filter->input.flow_type,
1227                         filter->input_set, is_tun);
1228         if (ret) {
1229                 rte_flow_error_set(error, -ret,
1230                                    RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1231                                    "Profile configure failed.");
1232                 goto free_entry;
1233         }
1234
1235         /* alloc counter for FDIR */
1236         if (filter->input.cnt_ena) {
1237                 struct rte_flow_action_count *act_count = &filter->act_count;
1238
1239                 filter->counter = ice_fdir_counter_alloc(pf,
1240                                                          act_count->shared,
1241                                                          act_count->id);
1242                 if (!filter->counter) {
1243                         rte_flow_error_set(error, EINVAL,
1244                                         RTE_FLOW_ERROR_TYPE_ACTION, NULL,
1245                                         "Failed to alloc FDIR counter.");
1246                         goto free_entry;
1247                 }
1248                 filter->input.cnt_index = filter->counter->hw_index;
1249         }
1250
1251         ret = ice_fdir_add_del_filter(pf, filter, true);
1252         if (ret) {
1253                 rte_flow_error_set(error, -ret,
1254                                    RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1255                                    "Add filter rule failed.");
1256                 goto free_counter;
1257         }
1258
1259         rte_memcpy(entry, filter, sizeof(*entry));
1260         ret = ice_fdir_entry_insert(pf, entry, &key);
1261         if (ret) {
1262                 rte_flow_error_set(error, -ret,
1263                                    RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1264                                    "Insert entry to table failed.");
1265                 goto free_entry;
1266         }
1267
1268         flow->rule = entry;
1269         ice_fdir_cnt_update(pf, filter->input.flow_type, is_tun, true);
1270
1271         return 0;
1272
1273 free_counter:
1274         if (filter->counter) {
1275                 ice_fdir_counter_free(pf, filter->counter);
1276                 filter->counter = NULL;
1277         }
1278
1279 free_entry:
1280         rte_free(entry);
1281         return -rte_errno;
1282 }
1283
1284 static int
1285 ice_fdir_destroy_filter(struct ice_adapter *ad,
1286                         struct rte_flow *flow,
1287                         struct rte_flow_error *error)
1288 {
1289         struct ice_pf *pf = &ad->pf;
1290         struct ice_fdir_info *fdir_info = &pf->fdir;
1291         struct ice_fdir_filter_conf *filter, *entry;
1292         struct ice_fdir_fltr_pattern key;
1293         bool is_tun;
1294         int ret;
1295
1296         filter = (struct ice_fdir_filter_conf *)flow->rule;
1297
1298         is_tun = ice_fdir_is_tunnel_profile(filter->tunnel_type);
1299
1300         if (filter->counter) {
1301                 ice_fdir_counter_free(pf, filter->counter);
1302                 filter->counter = NULL;
1303         }
1304
1305         ice_fdir_extract_fltr_key(&key, filter);
1306         entry = ice_fdir_entry_lookup(fdir_info, &key);
1307         if (!entry) {
1308                 rte_flow_error_set(error, ENOENT,
1309                                    RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1310                                    "Can't find entry.");
1311                 return -rte_errno;
1312         }
1313
1314         ret = ice_fdir_add_del_filter(pf, filter, false);
1315         if (ret) {
1316                 rte_flow_error_set(error, -ret,
1317                                    RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1318                                    "Del filter rule failed.");
1319                 return -rte_errno;
1320         }
1321
1322         ret = ice_fdir_entry_del(pf, &key);
1323         if (ret) {
1324                 rte_flow_error_set(error, -ret,
1325                                    RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1326                                    "Remove entry from table failed.");
1327                 return -rte_errno;
1328         }
1329
1330         ice_fdir_cnt_update(pf, filter->input.flow_type, is_tun, false);
1331         flow->rule = NULL;
1332
1333         rte_free(filter);
1334
1335         return 0;
1336 }
1337
1338 static int
1339 ice_fdir_query_count(struct ice_adapter *ad,
1340                       struct rte_flow *flow,
1341                       struct rte_flow_query_count *flow_stats,
1342                       struct rte_flow_error *error)
1343 {
1344         struct ice_pf *pf = &ad->pf;
1345         struct ice_hw *hw = ICE_PF_TO_HW(pf);
1346         struct ice_fdir_filter_conf *filter = flow->rule;
1347         struct ice_fdir_counter *counter = filter->counter;
1348         uint64_t hits_lo, hits_hi;
1349
1350         if (!counter) {
1351                 rte_flow_error_set(error, EINVAL,
1352                                   RTE_FLOW_ERROR_TYPE_ACTION,
1353                                   NULL,
1354                                   "FDIR counters not available");
1355                 return -rte_errno;
1356         }
1357
1358         /*
1359          * Reading the low 32-bits latches the high 32-bits into a shadow
1360          * register. Reading the high 32-bit returns the value in the
1361          * shadow register.
1362          */
1363         hits_lo = ICE_READ_REG(hw, GLSTAT_FD_CNT0L(counter->hw_index));
1364         hits_hi = ICE_READ_REG(hw, GLSTAT_FD_CNT0H(counter->hw_index));
1365
1366         flow_stats->hits_set = 1;
1367         flow_stats->hits = hits_lo | (hits_hi << 32);
1368         flow_stats->bytes_set = 0;
1369         flow_stats->bytes = 0;
1370
1371         if (flow_stats->reset) {
1372                 /* reset statistic counter value */
1373                 ICE_WRITE_REG(hw, GLSTAT_FD_CNT0H(counter->hw_index), 0);
1374                 ICE_WRITE_REG(hw, GLSTAT_FD_CNT0L(counter->hw_index), 0);
1375         }
1376
1377         return 0;
1378 }
1379
1380 static struct ice_flow_engine ice_fdir_engine = {
1381         .init = ice_fdir_init,
1382         .uninit = ice_fdir_uninit,
1383         .create = ice_fdir_create_filter,
1384         .destroy = ice_fdir_destroy_filter,
1385         .query_count = ice_fdir_query_count,
1386         .type = ICE_FLOW_ENGINE_FDIR,
1387 };
1388
1389 static int
1390 ice_fdir_parse_action_qregion(struct ice_pf *pf,
1391                               struct rte_flow_error *error,
1392                               const struct rte_flow_action *act,
1393                               struct ice_fdir_filter_conf *filter)
1394 {
1395         const struct rte_flow_action_rss *rss = act->conf;
1396         uint32_t i;
1397
1398         if (act->type != RTE_FLOW_ACTION_TYPE_RSS) {
1399                 rte_flow_error_set(error, EINVAL,
1400                                    RTE_FLOW_ERROR_TYPE_ACTION, act,
1401                                    "Invalid action.");
1402                 return -rte_errno;
1403         }
1404
1405         if (rss->queue_num <= 1) {
1406                 rte_flow_error_set(error, EINVAL,
1407                                    RTE_FLOW_ERROR_TYPE_ACTION, act,
1408                                    "Queue region size can't be 0 or 1.");
1409                 return -rte_errno;
1410         }
1411
1412         /* check if queue index for queue region is continuous */
1413         for (i = 0; i < rss->queue_num - 1; i++) {
1414                 if (rss->queue[i + 1] != rss->queue[i] + 1) {
1415                         rte_flow_error_set(error, EINVAL,
1416                                            RTE_FLOW_ERROR_TYPE_ACTION, act,
1417                                            "Discontinuous queue region");
1418                         return -rte_errno;
1419                 }
1420         }
1421
1422         if (rss->queue[rss->queue_num - 1] >= pf->dev_data->nb_rx_queues) {
1423                 rte_flow_error_set(error, EINVAL,
1424                                    RTE_FLOW_ERROR_TYPE_ACTION, act,
1425                                    "Invalid queue region indexes.");
1426                 return -rte_errno;
1427         }
1428
1429         if (!(rte_is_power_of_2(rss->queue_num) &&
1430              (rss->queue_num <= ICE_FDIR_MAX_QREGION_SIZE))) {
1431                 rte_flow_error_set(error, EINVAL,
1432                                    RTE_FLOW_ERROR_TYPE_ACTION, act,
1433                                    "The region size should be any of the following values:"
1434                                    "1, 2, 4, 8, 16, 32, 64, 128 as long as the total number "
1435                                    "of queues do not exceed the VSI allocation.");
1436                 return -rte_errno;
1437         }
1438
1439         filter->input.q_index = rss->queue[0];
1440         filter->input.q_region = rte_fls_u32(rss->queue_num) - 1;
1441         filter->input.dest_ctl = ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_QGROUP;
1442
1443         return 0;
1444 }
1445
1446 static int
1447 ice_fdir_parse_action(struct ice_adapter *ad,
1448                       const struct rte_flow_action actions[],
1449                       struct rte_flow_error *error,
1450                       struct ice_fdir_filter_conf *filter)
1451 {
1452         struct ice_pf *pf = &ad->pf;
1453         const struct rte_flow_action_queue *act_q;
1454         const struct rte_flow_action_mark *mark_spec = NULL;
1455         const struct rte_flow_action_count *act_count;
1456         uint32_t dest_num = 0;
1457         uint32_t mark_num = 0;
1458         uint32_t counter_num = 0;
1459         int ret;
1460
1461         for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
1462                 switch (actions->type) {
1463                 case RTE_FLOW_ACTION_TYPE_VOID:
1464                         break;
1465                 case RTE_FLOW_ACTION_TYPE_QUEUE:
1466                         dest_num++;
1467
1468                         act_q = actions->conf;
1469                         filter->input.q_index = act_q->index;
1470                         if (filter->input.q_index >=
1471                                         pf->dev_data->nb_rx_queues) {
1472                                 rte_flow_error_set(error, EINVAL,
1473                                                    RTE_FLOW_ERROR_TYPE_ACTION,
1474                                                    actions,
1475                                                    "Invalid queue for FDIR.");
1476                                 return -rte_errno;
1477                         }
1478                         filter->input.dest_ctl =
1479                                 ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_QINDEX;
1480                         break;
1481                 case RTE_FLOW_ACTION_TYPE_DROP:
1482                         dest_num++;
1483
1484                         filter->input.dest_ctl =
1485                                 ICE_FLTR_PRGM_DESC_DEST_DROP_PKT;
1486                         break;
1487                 case RTE_FLOW_ACTION_TYPE_PASSTHRU:
1488                         dest_num++;
1489
1490                         filter->input.dest_ctl =
1491                                 ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_QINDEX;
1492                         filter->input.q_index = 0;
1493                         break;
1494                 case RTE_FLOW_ACTION_TYPE_RSS:
1495                         dest_num++;
1496
1497                         ret = ice_fdir_parse_action_qregion(pf,
1498                                                 error, actions, filter);
1499                         if (ret)
1500                                 return ret;
1501                         break;
1502                 case RTE_FLOW_ACTION_TYPE_MARK:
1503                         mark_num++;
1504
1505                         mark_spec = actions->conf;
1506                         filter->input.fltr_id = mark_spec->id;
1507                         filter->input.fdid_prio = ICE_FXD_FLTR_QW1_FDID_PRI_ONE;
1508                         break;
1509                 case RTE_FLOW_ACTION_TYPE_COUNT:
1510                         counter_num++;
1511
1512                         act_count = actions->conf;
1513                         filter->input.cnt_ena = ICE_FXD_FLTR_QW0_STAT_ENA_PKTS;
1514                         rte_memcpy(&filter->act_count, act_count,
1515                                                 sizeof(filter->act_count));
1516
1517                         break;
1518                 default:
1519                         rte_flow_error_set(error, EINVAL,
1520                                    RTE_FLOW_ERROR_TYPE_ACTION, actions,
1521                                    "Invalid action.");
1522                         return -rte_errno;
1523                 }
1524         }
1525
1526         if (dest_num == 0 || dest_num >= 2) {
1527                 rte_flow_error_set(error, EINVAL,
1528                            RTE_FLOW_ERROR_TYPE_ACTION, actions,
1529                            "Unsupported action combination");
1530                 return -rte_errno;
1531         }
1532
1533         if (mark_num >= 2) {
1534                 rte_flow_error_set(error, EINVAL,
1535                            RTE_FLOW_ERROR_TYPE_ACTION, actions,
1536                            "Too many mark actions");
1537                 return -rte_errno;
1538         }
1539
1540         if (counter_num >= 2) {
1541                 rte_flow_error_set(error, EINVAL,
1542                            RTE_FLOW_ERROR_TYPE_ACTION, actions,
1543                            "Too many count actions");
1544                 return -rte_errno;
1545         }
1546
1547         return 0;
1548 }
1549
1550 static int
1551 ice_fdir_parse_pattern(__rte_unused struct ice_adapter *ad,
1552                        const struct rte_flow_item pattern[],
1553                        struct rte_flow_error *error,
1554                        struct ice_fdir_filter_conf *filter)
1555 {
1556         const struct rte_flow_item *item = pattern;
1557         enum rte_flow_item_type item_type;
1558         enum rte_flow_item_type l3 = RTE_FLOW_ITEM_TYPE_END;
1559         enum ice_fdir_tunnel_type tunnel_type = ICE_FDIR_TUNNEL_TYPE_NONE;
1560         const struct rte_flow_item_eth *eth_spec, *eth_mask;
1561         const struct rte_flow_item_ipv4 *ipv4_spec, *ipv4_mask;
1562         const struct rte_flow_item_ipv6 *ipv6_spec, *ipv6_mask;
1563         const struct rte_flow_item_tcp *tcp_spec, *tcp_mask;
1564         const struct rte_flow_item_udp *udp_spec, *udp_mask;
1565         const struct rte_flow_item_sctp *sctp_spec, *sctp_mask;
1566         const struct rte_flow_item_vxlan *vxlan_spec, *vxlan_mask;
1567         const struct rte_flow_item_gtp *gtp_spec, *gtp_mask;
1568         const struct rte_flow_item_gtp_psc *gtp_psc_spec, *gtp_psc_mask;
1569         uint64_t input_set = ICE_INSET_NONE;
1570         uint8_t flow_type = ICE_FLTR_PTYPE_NONF_NONE;
1571         uint8_t  ipv6_addr_mask[16] = {
1572                 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
1573                 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
1574         };
1575         uint32_t vtc_flow_cpu;
1576
1577
1578         for (item = pattern; item->type != RTE_FLOW_ITEM_TYPE_END; item++) {
1579                 if (item->last) {
1580                         rte_flow_error_set(error, EINVAL,
1581                                         RTE_FLOW_ERROR_TYPE_ITEM,
1582                                         item,
1583                                         "Not support range");
1584                         return -rte_errno;
1585                 }
1586                 item_type = item->type;
1587
1588                 switch (item_type) {
1589                 case RTE_FLOW_ITEM_TYPE_ETH:
1590                         eth_spec = item->spec;
1591                         eth_mask = item->mask;
1592
1593                         if (eth_spec && eth_mask) {
1594                                 if (!rte_is_zero_ether_addr(&eth_spec->src) ||
1595                                     !rte_is_zero_ether_addr(&eth_mask->src)) {
1596                                         rte_flow_error_set(error, EINVAL,
1597                                                 RTE_FLOW_ERROR_TYPE_ITEM,
1598                                                 item,
1599                                                 "Src mac not support");
1600                                         return -rte_errno;
1601                                 }
1602
1603                                 if (!rte_is_broadcast_ether_addr(&eth_mask->dst)) {
1604                                         rte_flow_error_set(error, EINVAL,
1605                                                 RTE_FLOW_ERROR_TYPE_ITEM,
1606                                                 item,
1607                                                 "Invalid mac addr mask");
1608                                         return -rte_errno;
1609                                 }
1610
1611                                 input_set |= ICE_INSET_DMAC;
1612                                 rte_memcpy(&filter->input.ext_data.dst_mac,
1613                                            &eth_spec->dst,
1614                                            RTE_ETHER_ADDR_LEN);
1615                         }
1616                         break;
1617                 case RTE_FLOW_ITEM_TYPE_IPV4:
1618                         l3 = RTE_FLOW_ITEM_TYPE_IPV4;
1619                         ipv4_spec = item->spec;
1620                         ipv4_mask = item->mask;
1621
1622                         if (ipv4_spec && ipv4_mask) {
1623                                 /* Check IPv4 mask and update input set */
1624                                 if (ipv4_mask->hdr.version_ihl ||
1625                                     ipv4_mask->hdr.total_length ||
1626                                     ipv4_mask->hdr.packet_id ||
1627                                     ipv4_mask->hdr.fragment_offset ||
1628                                     ipv4_mask->hdr.hdr_checksum) {
1629                                         rte_flow_error_set(error, EINVAL,
1630                                                    RTE_FLOW_ERROR_TYPE_ITEM,
1631                                                    item,
1632                                                    "Invalid IPv4 mask.");
1633                                         return -rte_errno;
1634                                 }
1635                                 if (ipv4_mask->hdr.src_addr == UINT32_MAX)
1636                                         input_set |= tunnel_type ?
1637                                                      ICE_INSET_TUN_IPV4_SRC :
1638                                                      ICE_INSET_IPV4_SRC;
1639                                 if (ipv4_mask->hdr.dst_addr == UINT32_MAX)
1640                                         input_set |= tunnel_type ?
1641                                                      ICE_INSET_TUN_IPV4_DST :
1642                                                      ICE_INSET_IPV4_DST;
1643                                 if (ipv4_mask->hdr.type_of_service == UINT8_MAX)
1644                                         input_set |= ICE_INSET_IPV4_TOS;
1645                                 if (ipv4_mask->hdr.time_to_live == UINT8_MAX)
1646                                         input_set |= ICE_INSET_IPV4_TTL;
1647                                 if (ipv4_mask->hdr.next_proto_id == UINT8_MAX)
1648                                         input_set |= ICE_INSET_IPV4_PROTO;
1649
1650                                 filter->input.ip.v4.dst_ip =
1651                                         ipv4_spec->hdr.src_addr;
1652                                 filter->input.ip.v4.src_ip =
1653                                         ipv4_spec->hdr.dst_addr;
1654                                 filter->input.ip.v4.tos =
1655                                         ipv4_spec->hdr.type_of_service;
1656                                 filter->input.ip.v4.ttl =
1657                                         ipv4_spec->hdr.time_to_live;
1658                                 filter->input.ip.v4.proto =
1659                                         ipv4_spec->hdr.next_proto_id;
1660                         }
1661
1662                         flow_type = ICE_FLTR_PTYPE_NONF_IPV4_OTHER;
1663                         break;
1664                 case RTE_FLOW_ITEM_TYPE_IPV6:
1665                         l3 = RTE_FLOW_ITEM_TYPE_IPV6;
1666                         ipv6_spec = item->spec;
1667                         ipv6_mask = item->mask;
1668
1669                         if (ipv6_spec && ipv6_mask) {
1670                                 /* Check IPv6 mask and update input set */
1671                                 if (ipv6_mask->hdr.payload_len) {
1672                                         rte_flow_error_set(error, EINVAL,
1673                                                    RTE_FLOW_ERROR_TYPE_ITEM,
1674                                                    item,
1675                                                    "Invalid IPv6 mask");
1676                                         return -rte_errno;
1677                                 }
1678
1679                                 if (!memcmp(ipv6_mask->hdr.src_addr,
1680                                             ipv6_addr_mask,
1681                                             RTE_DIM(ipv6_mask->hdr.src_addr)))
1682                                         input_set |= ICE_INSET_IPV6_SRC;
1683                                 if (!memcmp(ipv6_mask->hdr.dst_addr,
1684                                             ipv6_addr_mask,
1685                                             RTE_DIM(ipv6_mask->hdr.dst_addr)))
1686                                         input_set |= ICE_INSET_IPV6_DST;
1687
1688                                 if ((ipv6_mask->hdr.vtc_flow &
1689                                      rte_cpu_to_be_32(ICE_IPV6_TC_MASK))
1690                                     == rte_cpu_to_be_32(ICE_IPV6_TC_MASK))
1691                                         input_set |= ICE_INSET_IPV6_TC;
1692                                 if (ipv6_mask->hdr.proto == UINT8_MAX)
1693                                         input_set |= ICE_INSET_IPV6_NEXT_HDR;
1694                                 if (ipv6_mask->hdr.hop_limits == UINT8_MAX)
1695                                         input_set |= ICE_INSET_IPV6_HOP_LIMIT;
1696
1697                                 rte_memcpy(filter->input.ip.v6.dst_ip,
1698                                            ipv6_spec->hdr.src_addr, 16);
1699                                 rte_memcpy(filter->input.ip.v6.src_ip,
1700                                            ipv6_spec->hdr.dst_addr, 16);
1701
1702                                 vtc_flow_cpu =
1703                                       rte_be_to_cpu_32(ipv6_spec->hdr.vtc_flow);
1704                                 filter->input.ip.v6.tc =
1705                                         (uint8_t)(vtc_flow_cpu >>
1706                                                   ICE_FDIR_IPV6_TC_OFFSET);
1707                                 filter->input.ip.v6.proto =
1708                                         ipv6_spec->hdr.proto;
1709                                 filter->input.ip.v6.hlim =
1710                                         ipv6_spec->hdr.hop_limits;
1711                         }
1712
1713                         flow_type = ICE_FLTR_PTYPE_NONF_IPV6_OTHER;
1714                         break;
1715                 case RTE_FLOW_ITEM_TYPE_TCP:
1716                         tcp_spec = item->spec;
1717                         tcp_mask = item->mask;
1718
1719                         if (l3 == RTE_FLOW_ITEM_TYPE_IPV4)
1720                                 flow_type = ICE_FLTR_PTYPE_NONF_IPV4_TCP;
1721                         else if (l3 == RTE_FLOW_ITEM_TYPE_IPV6)
1722                                 flow_type = ICE_FLTR_PTYPE_NONF_IPV6_TCP;
1723
1724                         if (tcp_spec && tcp_mask) {
1725                                 /* Check TCP mask and update input set */
1726                                 if (tcp_mask->hdr.sent_seq ||
1727                                     tcp_mask->hdr.recv_ack ||
1728                                     tcp_mask->hdr.data_off ||
1729                                     tcp_mask->hdr.tcp_flags ||
1730                                     tcp_mask->hdr.rx_win ||
1731                                     tcp_mask->hdr.cksum ||
1732                                     tcp_mask->hdr.tcp_urp) {
1733                                         rte_flow_error_set(error, EINVAL,
1734                                                    RTE_FLOW_ERROR_TYPE_ITEM,
1735                                                    item,
1736                                                    "Invalid TCP mask");
1737                                         return -rte_errno;
1738                                 }
1739
1740                                 if (tcp_mask->hdr.src_port == UINT16_MAX)
1741                                         input_set |= tunnel_type ?
1742                                                      ICE_INSET_TUN_TCP_SRC_PORT :
1743                                                      ICE_INSET_TCP_SRC_PORT;
1744                                 if (tcp_mask->hdr.dst_port == UINT16_MAX)
1745                                         input_set |= tunnel_type ?
1746                                                      ICE_INSET_TUN_TCP_DST_PORT :
1747                                                      ICE_INSET_TCP_DST_PORT;
1748
1749                                 /* Get filter info */
1750                                 if (l3 == RTE_FLOW_ITEM_TYPE_IPV4) {
1751                                         filter->input.ip.v4.dst_port =
1752                                                 tcp_spec->hdr.src_port;
1753                                         filter->input.ip.v4.src_port =
1754                                                 tcp_spec->hdr.dst_port;
1755                                 } else if (l3 == RTE_FLOW_ITEM_TYPE_IPV6) {
1756                                         filter->input.ip.v6.dst_port =
1757                                                 tcp_spec->hdr.src_port;
1758                                         filter->input.ip.v6.src_port =
1759                                                 tcp_spec->hdr.dst_port;
1760                                 }
1761                         }
1762                         break;
1763                 case RTE_FLOW_ITEM_TYPE_UDP:
1764                         udp_spec = item->spec;
1765                         udp_mask = item->mask;
1766
1767                         if (l3 == RTE_FLOW_ITEM_TYPE_IPV4)
1768                                 flow_type = ICE_FLTR_PTYPE_NONF_IPV4_UDP;
1769                         else if (l3 == RTE_FLOW_ITEM_TYPE_IPV6)
1770                                 flow_type = ICE_FLTR_PTYPE_NONF_IPV6_UDP;
1771
1772                         if (udp_spec && udp_mask) {
1773                                 /* Check UDP mask and update input set*/
1774                                 if (udp_mask->hdr.dgram_len ||
1775                                     udp_mask->hdr.dgram_cksum) {
1776                                         rte_flow_error_set(error, EINVAL,
1777                                                    RTE_FLOW_ERROR_TYPE_ITEM,
1778                                                    item,
1779                                                    "Invalid UDP mask");
1780                                         return -rte_errno;
1781                                 }
1782
1783                                 if (udp_mask->hdr.src_port == UINT16_MAX)
1784                                         input_set |= tunnel_type ?
1785                                                      ICE_INSET_TUN_UDP_SRC_PORT :
1786                                                      ICE_INSET_UDP_SRC_PORT;
1787                                 if (udp_mask->hdr.dst_port == UINT16_MAX)
1788                                         input_set |= tunnel_type ?
1789                                                      ICE_INSET_TUN_UDP_DST_PORT :
1790                                                      ICE_INSET_UDP_DST_PORT;
1791
1792                                 /* Get filter info */
1793                                 if (l3 == RTE_FLOW_ITEM_TYPE_IPV4) {
1794                                         filter->input.ip.v4.dst_port =
1795                                                 udp_spec->hdr.src_port;
1796                                         filter->input.ip.v4.src_port =
1797                                                 udp_spec->hdr.dst_port;
1798                                 } else if (l3 == RTE_FLOW_ITEM_TYPE_IPV6) {
1799                                         filter->input.ip.v6.src_port =
1800                                                 udp_spec->hdr.dst_port;
1801                                         filter->input.ip.v6.dst_port =
1802                                                 udp_spec->hdr.src_port;
1803                                 }
1804                         }
1805                         break;
1806                 case RTE_FLOW_ITEM_TYPE_SCTP:
1807                         sctp_spec = item->spec;
1808                         sctp_mask = item->mask;
1809
1810                         if (l3 == RTE_FLOW_ITEM_TYPE_IPV4)
1811                                 flow_type = ICE_FLTR_PTYPE_NONF_IPV4_SCTP;
1812                         else if (l3 == RTE_FLOW_ITEM_TYPE_IPV6)
1813                                 flow_type = ICE_FLTR_PTYPE_NONF_IPV6_SCTP;
1814
1815                         if (sctp_spec && sctp_mask) {
1816                                 /* Check SCTP mask and update input set */
1817                                 if (sctp_mask->hdr.cksum) {
1818                                         rte_flow_error_set(error, EINVAL,
1819                                                    RTE_FLOW_ERROR_TYPE_ITEM,
1820                                                    item,
1821                                                    "Invalid UDP mask");
1822                                         return -rte_errno;
1823                                 }
1824
1825                                 if (sctp_mask->hdr.src_port == UINT16_MAX)
1826                                         input_set |= tunnel_type ?
1827                                                      ICE_INSET_TUN_SCTP_SRC_PORT :
1828                                                      ICE_INSET_SCTP_SRC_PORT;
1829                                 if (sctp_mask->hdr.dst_port == UINT16_MAX)
1830                                         input_set |= tunnel_type ?
1831                                                      ICE_INSET_TUN_SCTP_DST_PORT :
1832                                                      ICE_INSET_SCTP_DST_PORT;
1833
1834                                 /* Get filter info */
1835                                 if (l3 == RTE_FLOW_ITEM_TYPE_IPV4) {
1836                                         filter->input.ip.v4.dst_port =
1837                                                 sctp_spec->hdr.src_port;
1838                                         filter->input.ip.v4.src_port =
1839                                                 sctp_spec->hdr.dst_port;
1840                                 } else if (l3 == RTE_FLOW_ITEM_TYPE_IPV6) {
1841                                         filter->input.ip.v6.dst_port =
1842                                                 sctp_spec->hdr.src_port;
1843                                         filter->input.ip.v6.src_port =
1844                                                 sctp_spec->hdr.dst_port;
1845                                 }
1846                         }
1847                         break;
1848                 case RTE_FLOW_ITEM_TYPE_VOID:
1849                         break;
1850                 case RTE_FLOW_ITEM_TYPE_VXLAN:
1851                         l3 = RTE_FLOW_ITEM_TYPE_END;
1852                         vxlan_spec = item->spec;
1853                         vxlan_mask = item->mask;
1854
1855                         if (vxlan_spec || vxlan_mask) {
1856                                 rte_flow_error_set(error, EINVAL,
1857                                                    RTE_FLOW_ERROR_TYPE_ITEM,
1858                                                    item,
1859                                                    "Invalid vxlan field");
1860                                 return -rte_errno;
1861                         }
1862
1863                         tunnel_type = ICE_FDIR_TUNNEL_TYPE_VXLAN;
1864                         break;
1865                 case RTE_FLOW_ITEM_TYPE_GTPU:
1866                         l3 = RTE_FLOW_ITEM_TYPE_END;
1867                         gtp_spec = item->spec;
1868                         gtp_mask = item->mask;
1869
1870                         if (gtp_spec && gtp_mask) {
1871                                 if (gtp_mask->v_pt_rsv_flags ||
1872                                     gtp_mask->msg_type ||
1873                                     gtp_mask->msg_len) {
1874                                         rte_flow_error_set(error, EINVAL,
1875                                                    RTE_FLOW_ERROR_TYPE_ITEM,
1876                                                    item,
1877                                                    "Invalid GTP mask");
1878                                         return -rte_errno;
1879                                 }
1880
1881                                 if (gtp_mask->teid == UINT32_MAX)
1882                                         input_set |= ICE_INSET_GTPU_TEID;
1883
1884                                 filter->input.gtpu_data.teid = gtp_spec->teid;
1885                         }
1886
1887                         tunnel_type = ICE_FDIR_TUNNEL_TYPE_GTPU;
1888                         break;
1889                 case RTE_FLOW_ITEM_TYPE_GTP_PSC:
1890                         gtp_psc_spec = item->spec;
1891                         gtp_psc_mask = item->mask;
1892
1893                         if (gtp_psc_spec && gtp_psc_mask) {
1894                                 if (gtp_psc_mask->qfi == UINT8_MAX)
1895                                         input_set |= ICE_INSET_GTPU_QFI;
1896
1897                                 filter->input.gtpu_data.qfi =
1898                                         gtp_psc_spec->qfi;
1899                         }
1900                         break;
1901                 default:
1902                         rte_flow_error_set(error, EINVAL,
1903                                    RTE_FLOW_ERROR_TYPE_ITEM,
1904                                    item,
1905                                    "Invalid pattern item.");
1906                         return -rte_errno;
1907                 }
1908         }
1909
1910         if (tunnel_type == ICE_FDIR_TUNNEL_TYPE_GTPU)
1911                 flow_type = ICE_FLTR_PTYPE_NONF_IPV4_GTPU_IPV4_OTHER;
1912
1913         filter->tunnel_type = tunnel_type;
1914         filter->input.flow_type = flow_type;
1915         filter->input_set = input_set;
1916
1917         return 0;
1918 }
1919
1920 static int
1921 ice_fdir_parse(struct ice_adapter *ad,
1922                struct ice_pattern_match_item *array,
1923                uint32_t array_len,
1924                const struct rte_flow_item pattern[],
1925                const struct rte_flow_action actions[],
1926                void **meta,
1927                struct rte_flow_error *error)
1928 {
1929         struct ice_pf *pf = &ad->pf;
1930         struct ice_fdir_filter_conf *filter = &pf->fdir.conf;
1931         struct ice_pattern_match_item *item = NULL;
1932         uint64_t input_set;
1933         int ret;
1934
1935         memset(filter, 0, sizeof(*filter));
1936         item = ice_search_pattern_match_item(pattern, array, array_len, error);
1937         if (!item)
1938                 return -rte_errno;
1939
1940         ret = ice_fdir_parse_pattern(ad, pattern, error, filter);
1941         if (ret)
1942                 goto error;
1943         input_set = filter->input_set;
1944         if (!input_set || input_set & ~item->input_set_mask) {
1945                 rte_flow_error_set(error, EINVAL,
1946                                    RTE_FLOW_ERROR_TYPE_ITEM_SPEC,
1947                                    pattern,
1948                                    "Invalid input set");
1949                 ret = -rte_errno;
1950                 goto error;
1951         }
1952
1953         ret = ice_fdir_parse_action(ad, actions, error, filter);
1954         if (ret)
1955                 goto error;
1956
1957         *meta = filter;
1958 error:
1959         rte_free(item);
1960         return ret;
1961 }
1962
1963 static struct ice_flow_parser ice_fdir_parser_os = {
1964         .engine = &ice_fdir_engine,
1965         .array = ice_fdir_pattern_os,
1966         .array_len = RTE_DIM(ice_fdir_pattern_os),
1967         .parse_pattern_action = ice_fdir_parse,
1968         .stage = ICE_FLOW_STAGE_DISTRIBUTOR,
1969 };
1970
1971 static struct ice_flow_parser ice_fdir_parser_comms = {
1972         .engine = &ice_fdir_engine,
1973         .array = ice_fdir_pattern_comms,
1974         .array_len = RTE_DIM(ice_fdir_pattern_comms),
1975         .parse_pattern_action = ice_fdir_parse,
1976         .stage = ICE_FLOW_STAGE_DISTRIBUTOR,
1977 };
1978
1979 RTE_INIT(ice_fdir_engine_register)
1980 {
1981         ice_register_flow_engine(&ice_fdir_engine);
1982 }