drivers/net/i40e/i40e_fdir.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2015 Intel Corporation
   3  */
   4
   5 #include <sys/queue.h>
   6 #include <stdio.h>
   7 #include <errno.h>
   8 #include <stdint.h>
   9 #include <string.h>
  10 #include <unistd.h>
  11 #include <stdarg.h>
  12
  13 #include <rte_ether.h>
  14 #include <rte_ethdev.h>
  15 #include <rte_log.h>
  16 #include <rte_memzone.h>
  17 #include <rte_malloc.h>
  18 #include <rte_arp.h>
  19 #include <rte_ip.h>
  20 #include <rte_udp.h>
  21 #include <rte_tcp.h>
  22 #include <rte_sctp.h>
  23 #include <rte_hash_crc.h>
  24
  25 #include "i40e_logs.h"
  26 #include "base/i40e_type.h"
  27 #include "base/i40e_prototype.h"
  28 #include "i40e_ethdev.h"
  29 #include "i40e_rxtx.h"
  30
  31 #define I40E_FDIR_MZ_NAME          "FDIR_MEMZONE"
  32 #ifndef IPV6_ADDR_LEN
  33 #define IPV6_ADDR_LEN              16
  34 #endif
  35
  36 #define I40E_FDIR_PKT_LEN                   512
  37 #define I40E_FDIR_IP_DEFAULT_LEN            420
  38 #define I40E_FDIR_IP_DEFAULT_TTL            0x40
  39 #define I40E_FDIR_IP_DEFAULT_VERSION_IHL    0x45
  40 #define I40E_FDIR_TCP_DEFAULT_DATAOFF       0x50
  41 #define I40E_FDIR_IPv6_DEFAULT_VTC_FLOW     0x60000000
  42
  43 #define I40E_FDIR_IPv6_DEFAULT_HOP_LIMITS   0xFF
  44 #define I40E_FDIR_IPv6_PAYLOAD_LEN          380
  45 #define I40E_FDIR_UDP_DEFAULT_LEN           400
  46 #define I40E_FDIR_GTP_DEFAULT_LEN           384
  47 #define I40E_FDIR_INNER_IP_DEFAULT_LEN      384
  48 #define I40E_FDIR_INNER_IPV6_DEFAULT_LEN    344
  49
  50 #define I40E_FDIR_GTPC_DST_PORT             2123
  51 #define I40E_FDIR_GTPU_DST_PORT             2152
  52 #define I40E_FDIR_GTP_VER_FLAG_0X30         0x30
  53 #define I40E_FDIR_GTP_VER_FLAG_0X32         0x32
  54 #define I40E_FDIR_GTP_MSG_TYPE_0X01         0x01
  55 #define I40E_FDIR_GTP_MSG_TYPE_0XFF         0xFF
  56
  57 /* Wait time for fdir filter programming */
  58 #define I40E_FDIR_MAX_WAIT_US 10000
  59
  60 /* Wait count and interval for fdir filter flush */
  61 #define I40E_FDIR_FLUSH_RETRY       50
  62 #define I40E_FDIR_FLUSH_INTERVAL_MS 5
  63
  64 #define I40E_COUNTER_PF           2
  65 /* Statistic counter index for one pf */
  66 #define I40E_COUNTER_INDEX_FDIR(pf_id)   (0 + (pf_id) * I40E_COUNTER_PF)
  67
  68 #define I40E_FDIR_FLOWS ( \
  69         (1ULL << RTE_ETH_FLOW_FRAG_IPV4) | \
  70         (1ULL << RTE_ETH_FLOW_NONFRAG_IPV4_UDP) | \
  71         (1ULL << RTE_ETH_FLOW_NONFRAG_IPV4_TCP) | \
  72         (1ULL << RTE_ETH_FLOW_NONFRAG_IPV4_SCTP) | \
  73         (1ULL << RTE_ETH_FLOW_NONFRAG_IPV4_OTHER) | \
  74         (1ULL << RTE_ETH_FLOW_FRAG_IPV6) | \
  75         (1ULL << RTE_ETH_FLOW_NONFRAG_IPV6_UDP) | \
  76         (1ULL << RTE_ETH_FLOW_NONFRAG_IPV6_TCP) | \
  77         (1ULL << RTE_ETH_FLOW_NONFRAG_IPV6_SCTP) | \
  78         (1ULL << RTE_ETH_FLOW_NONFRAG_IPV6_OTHER) | \
  79         (1ULL << RTE_ETH_FLOW_L2_PAYLOAD))
  80
  81 static int i40e_fdir_filter_programming(struct i40e_pf *pf,
  82                         enum i40e_filter_pctype pctype,
  83                         const struct rte_eth_fdir_filter *filter,
  84                         bool add);
  85 static int i40e_fdir_filter_convert(const struct i40e_fdir_filter_conf *input,
  86                          struct i40e_fdir_filter *filter);
  87 static struct i40e_fdir_filter *
  88 i40e_sw_fdir_filter_lookup(struct i40e_fdir_info *fdir_info,
  89                         const struct i40e_fdir_input *input);
  90 static int i40e_sw_fdir_filter_insert(struct i40e_pf *pf,
  91                                    struct i40e_fdir_filter *filter);
  92 static int
  93 i40e_flow_fdir_filter_programming(struct i40e_pf *pf,
  94                                   enum i40e_filter_pctype pctype,
  95                                   const struct i40e_fdir_filter_conf *filter,
  96                                   bool add);
  97
  98 static int
  99 i40e_fdir_rx_queue_init(struct i40e_rx_queue *rxq)
 100 {
 101         struct i40e_hw *hw = I40E_VSI_TO_HW(rxq->vsi);
 102         struct i40e_hmc_obj_rxq rx_ctx;
 103         int err = I40E_SUCCESS;
 104
 105         memset(&rx_ctx, 0, sizeof(struct i40e_hmc_obj_rxq));
 106         /* Init the RX queue in hardware */
 107         rx_ctx.dbuff = I40E_RXBUF_SZ_1024 >> I40E_RXQ_CTX_DBUFF_SHIFT;
 108         rx_ctx.hbuff = 0;
 109         rx_ctx.base = rxq->rx_ring_phys_addr / I40E_QUEUE_BASE_ADDR_UNIT;
 110         rx_ctx.qlen = rxq->nb_rx_desc;
 111 #ifndef RTE_LIBRTE_I40E_16BYTE_RX_DESC
 112         rx_ctx.dsize = 1;
 113 #endif
 114         rx_ctx.dtype = i40e_header_split_none;
 115         rx_ctx.hsplit_0 = I40E_HEADER_SPLIT_NONE;
 116         rx_ctx.rxmax = ETHER_MAX_LEN;
 117         rx_ctx.tphrdesc_ena = 1;
 118         rx_ctx.tphwdesc_ena = 1;
 119         rx_ctx.tphdata_ena = 1;
 120         rx_ctx.tphhead_ena = 1;
 121         rx_ctx.lrxqthresh = 2;
 122         rx_ctx.crcstrip = 0;
 123         rx_ctx.l2tsel = 1;
 124         rx_ctx.showiv = 0;
 125         rx_ctx.prefena = 1;
 126
 127         err = i40e_clear_lan_rx_queue_context(hw, rxq->reg_idx);
 128         if (err != I40E_SUCCESS) {
 129                 PMD_DRV_LOG(ERR, "Failed to clear FDIR RX queue context.");
 130                 return err;
 131         }
 132         err = i40e_set_lan_rx_queue_context(hw, rxq->reg_idx, &rx_ctx);
 133         if (err != I40E_SUCCESS) {
 134                 PMD_DRV_LOG(ERR, "Failed to set FDIR RX queue context.");
 135                 return err;
 136         }
 137         rxq->qrx_tail = hw->hw_addr +
 138                 I40E_QRX_TAIL(rxq->vsi->base_queue);
 139
 140         rte_wmb();
 141         /* Init the RX tail regieter. */
 142         I40E_PCI_REG_WRITE(rxq->qrx_tail, 0);
 143         I40E_PCI_REG_WRITE(rxq->qrx_tail, rxq->nb_rx_desc - 1);
 144
 145         return err;
 146 }
 147
 148 /*
 149  * i40e_fdir_setup - reserve and initialize the Flow Director resources
 150  * @pf: board private structure
 151  */
 152 int
 153 i40e_fdir_setup(struct i40e_pf *pf)
 154 {
 155         struct i40e_hw *hw = I40E_PF_TO_HW(pf);
 156         struct i40e_vsi *vsi;
 157         int err = I40E_SUCCESS;
 158         char z_name[RTE_MEMZONE_NAMESIZE];
 159         const struct rte_memzone *mz = NULL;
 160         struct rte_eth_dev *eth_dev = pf->adapter->eth_dev;
 161
 162         if ((pf->flags & I40E_FLAG_FDIR) == 0) {
 163                 PMD_INIT_LOG(ERR, "HW doesn't support FDIR");
 164                 return I40E_NOT_SUPPORTED;
 165         }
 166
 167         PMD_DRV_LOG(INFO, "FDIR HW Capabilities: num_filters_guaranteed = %u,"
 168                         " num_filters_best_effort = %u.",
 169                         hw->func_caps.fd_filters_guaranteed,
 170                         hw->func_caps.fd_filters_best_effort);
 171
 172         vsi = pf->fdir.fdir_vsi;
 173         if (vsi) {
 174                 PMD_DRV_LOG(INFO, "FDIR initialization has been done.");
 175                 return I40E_SUCCESS;
 176         }
 177         /* make new FDIR VSI */
 178         vsi = i40e_vsi_setup(pf, I40E_VSI_FDIR, pf->main_vsi, 0);
 179         if (!vsi) {
 180                 PMD_DRV_LOG(ERR, "Couldn't create FDIR VSI.");
 181                 return I40E_ERR_NO_AVAILABLE_VSI;
 182         }
 183         pf->fdir.fdir_vsi = vsi;
 184
 185         /*Fdir tx queue setup*/
 186         err = i40e_fdir_setup_tx_resources(pf);
 187         if (err) {
 188                 PMD_DRV_LOG(ERR, "Failed to setup FDIR TX resources.");
 189                 goto fail_setup_tx;
 190         }
 191
 192         /*Fdir rx queue setup*/
 193         err = i40e_fdir_setup_rx_resources(pf);
 194         if (err) {
 195                 PMD_DRV_LOG(ERR, "Failed to setup FDIR RX resources.");
 196                 goto fail_setup_rx;
 197         }
 198
 199         err = i40e_tx_queue_init(pf->fdir.txq);
 200         if (err) {
 201                 PMD_DRV_LOG(ERR, "Failed to do FDIR TX initialization.");
 202                 goto fail_mem;
 203         }
 204
 205         /* need switch on before dev start*/
 206         err = i40e_switch_tx_queue(hw, vsi->base_queue, TRUE);
 207         if (err) {
 208                 PMD_DRV_LOG(ERR, "Failed to do fdir TX switch on.");
 209                 goto fail_mem;
 210         }
 211
 212         /* Init the rx queue in hardware */
 213         err = i40e_fdir_rx_queue_init(pf->fdir.rxq);
 214         if (err) {
 215                 PMD_DRV_LOG(ERR, "Failed to do FDIR RX initialization.");
 216                 goto fail_mem;
 217         }
 218
 219         /* switch on rx queue */
 220         err = i40e_switch_rx_queue(hw, vsi->base_queue, TRUE);
 221         if (err) {
 222                 PMD_DRV_LOG(ERR, "Failed to do FDIR RX switch on.");
 223                 goto fail_mem;
 224         }
 225
 226         /* reserve memory for the fdir programming packet */
 227         snprintf(z_name, sizeof(z_name), "%s_%s_%d",
 228                         eth_dev->device->driver->name,
 229                         I40E_FDIR_MZ_NAME,
 230                         eth_dev->data->port_id);
 231         mz = i40e_memzone_reserve(z_name, I40E_FDIR_PKT_LEN, SOCKET_ID_ANY);
 232         if (!mz) {
 233                 PMD_DRV_LOG(ERR, "Cannot init memzone for "
 234                                  "flow director program packet.");
 235                 err = I40E_ERR_NO_MEMORY;
 236                 goto fail_mem;
 237         }
 238         pf->fdir.prg_pkt = mz->addr;
 239         pf->fdir.dma_addr = mz->iova;
 240
 241         pf->fdir.match_counter_index = I40E_COUNTER_INDEX_FDIR(hw->pf_id);
 242         PMD_DRV_LOG(INFO, "FDIR setup successfully, with programming queue %u.",
 243                     vsi->base_queue);
 244         return I40E_SUCCESS;
 245
 246 fail_mem:
 247         i40e_dev_rx_queue_release(pf->fdir.rxq);
 248         pf->fdir.rxq = NULL;
 249 fail_setup_rx:
 250         i40e_dev_tx_queue_release(pf->fdir.txq);
 251         pf->fdir.txq = NULL;
 252 fail_setup_tx:
 253         i40e_vsi_release(vsi);
 254         pf->fdir.fdir_vsi = NULL;
 255         return err;
 256 }
 257
 258 /*
 259  * i40e_fdir_teardown - release the Flow Director resources
 260  * @pf: board private structure
 261  */
 262 void
 263 i40e_fdir_teardown(struct i40e_pf *pf)
 264 {
 265         struct i40e_hw *hw = I40E_PF_TO_HW(pf);
 266         struct i40e_vsi *vsi;
 267
 268         vsi = pf->fdir.fdir_vsi;
 269         if (!vsi)
 270                 return;
 271         int err = i40e_switch_tx_queue(hw, vsi->base_queue, FALSE);
 272         if (err)
 273                 PMD_DRV_LOG(DEBUG, "Failed to do FDIR TX switch off");
 274         err = i40e_switch_rx_queue(hw, vsi->base_queue, FALSE);
 275         if (err)
 276                 PMD_DRV_LOG(DEBUG, "Failed to do FDIR RX switch off");
 277         i40e_dev_rx_queue_release(pf->fdir.rxq);
 278         pf->fdir.rxq = NULL;
 279         i40e_dev_tx_queue_release(pf->fdir.txq);
 280         pf->fdir.txq = NULL;
 281         i40e_vsi_release(vsi);
 282         pf->fdir.fdir_vsi = NULL;
 283 }
 284
 285 /* check whether the flow director table in empty */
 286 static inline int
 287 i40e_fdir_empty(struct i40e_hw *hw)
 288 {
 289         uint32_t guarant_cnt, best_cnt;
 290
 291         guarant_cnt = (uint32_t)((I40E_READ_REG(hw, I40E_PFQF_FDSTAT) &
 292                                  I40E_PFQF_FDSTAT_GUARANT_CNT_MASK) >>
 293                                  I40E_PFQF_FDSTAT_GUARANT_CNT_SHIFT);
 294         best_cnt = (uint32_t)((I40E_READ_REG(hw, I40E_PFQF_FDSTAT) &
 295                               I40E_PFQF_FDSTAT_BEST_CNT_MASK) >>
 296                               I40E_PFQF_FDSTAT_BEST_CNT_SHIFT);
 297         if (best_cnt + guarant_cnt > 0)
 298                 return -1;
 299
 300         return 0;
 301 }
 302
 303 /*
 304  * Initialize the configuration about bytes stream extracted as flexible payload
 305  * and mask setting
 306  */
 307 static inline void
 308 i40e_init_flx_pld(struct i40e_pf *pf)
 309 {
 310         struct i40e_hw *hw = I40E_PF_TO_HW(pf);
 311         uint8_t pctype;
 312         int i, index;
 313         uint16_t flow_type;
 314
 315         /*
 316          * Define the bytes stream extracted as flexible payload in
 317          * field vector. By default, select 8 words from the beginning
 318          * of payload as flexible payload.
 319          */
 320         for (i = I40E_FLXPLD_L2_IDX; i < I40E_MAX_FLXPLD_LAYER; i++) {
 321                 index = i * I40E_MAX_FLXPLD_FIED;
 322                 pf->fdir.flex_set[index].src_offset = 0;
 323                 pf->fdir.flex_set[index].size = I40E_FDIR_MAX_FLEXWORD_NUM;
 324                 pf->fdir.flex_set[index].dst_offset = 0;
 325                 I40E_WRITE_REG(hw, I40E_PRTQF_FLX_PIT(index), 0x0000C900);
 326                 I40E_WRITE_REG(hw,
 327                         I40E_PRTQF_FLX_PIT(index + 1), 0x0000FC29);/*non-used*/
 328                 I40E_WRITE_REG(hw,
 329                         I40E_PRTQF_FLX_PIT(index + 2), 0x0000FC2A);/*non-used*/
 330         }
 331
 332         /* initialize the masks */
 333         for (pctype = I40E_FILTER_PCTYPE_NONF_IPV4_UDP;
 334              pctype <= I40E_FILTER_PCTYPE_L2_PAYLOAD; pctype++) {
 335                 flow_type = i40e_pctype_to_flowtype(pf->adapter, pctype);
 336
 337                 if (flow_type == RTE_ETH_FLOW_UNKNOWN)
 338                         continue;
 339                 pf->fdir.flex_mask[pctype].word_mask = 0;
 340                 i40e_write_rx_ctl(hw, I40E_PRTQF_FD_FLXINSET(pctype), 0);
 341                 for (i = 0; i < I40E_FDIR_BITMASK_NUM_WORD; i++) {
 342                         pf->fdir.flex_mask[pctype].bitmask[i].offset = 0;
 343                         pf->fdir.flex_mask[pctype].bitmask[i].mask = 0;
 344                         i40e_write_rx_ctl(hw, I40E_PRTQF_FD_MSK(pctype, i), 0);
 345                 }
 346         }
 347 }
 348
 349 #define I40E_VALIDATE_FLEX_PIT(flex_pit1, flex_pit2) do { \
 350         if ((flex_pit2).src_offset < \
 351                 (flex_pit1).src_offset + (flex_pit1).size) { \
 352                 PMD_DRV_LOG(ERR, "src_offset should be not" \
 353                         " less than than previous offset" \
 354                         " + previous FSIZE."); \
 355                 return -EINVAL; \
 356         } \
 357 } while (0)
 358
 359 /*
 360  * i40e_srcoff_to_flx_pit - transform the src_offset into flex_pit structure,
 361  * and the flex_pit will be sorted by it's src_offset value
 362  */
 363 static inline uint16_t
 364 i40e_srcoff_to_flx_pit(const uint16_t *src_offset,
 365                         struct i40e_fdir_flex_pit *flex_pit)
 366 {
 367         uint16_t src_tmp, size, num = 0;
 368         uint16_t i, k, j = 0;
 369
 370         while (j < I40E_FDIR_MAX_FLEX_LEN) {
 371                 size = 1;
 372                 for (; j < I40E_FDIR_MAX_FLEX_LEN - 1; j++) {
 373                         if (src_offset[j + 1] == src_offset[j] + 1)
 374                                 size++;
 375                         else
 376                                 break;
 377                 }
 378                 src_tmp = src_offset[j] + 1 - size;
 379                 /* the flex_pit need to be sort by src_offset */
 380                 for (i = 0; i < num; i++) {
 381                         if (src_tmp < flex_pit[i].src_offset)
 382                                 break;
 383                 }
 384                 /* if insert required, move backward */
 385                 for (k = num; k > i; k--)
 386                         flex_pit[k] = flex_pit[k - 1];
 387                 /* insert */
 388                 flex_pit[i].dst_offset = j + 1 - size;
 389                 flex_pit[i].src_offset = src_tmp;
 390                 flex_pit[i].size = size;
 391                 j++;
 392                 num++;
 393         }
 394         return num;
 395 }
 396
 397 /* i40e_check_fdir_flex_payload -check flex payload configuration arguments */
 398 static inline int
 399 i40e_check_fdir_flex_payload(const struct rte_eth_flex_payload_cfg *flex_cfg)
 400 {
 401         struct i40e_fdir_flex_pit flex_pit[I40E_FDIR_MAX_FLEX_LEN];
 402         uint16_t num, i;
 403
 404         for (i = 0; i < I40E_FDIR_MAX_FLEX_LEN; i++) {
 405                 if (flex_cfg->src_offset[i] >= I40E_MAX_FLX_SOURCE_OFF) {
 406                         PMD_DRV_LOG(ERR, "exceeds maxmial payload limit.");
 407                         return -EINVAL;
 408                 }
 409         }
 410
 411         memset(flex_pit, 0, sizeof(flex_pit));
 412         num = i40e_srcoff_to_flx_pit(flex_cfg->src_offset, flex_pit);
 413         if (num > I40E_MAX_FLXPLD_FIED) {
 414                 PMD_DRV_LOG(ERR, "exceeds maxmial number of flex fields.");
 415                 return -EINVAL;
 416         }
 417         for (i = 0; i < num; i++) {
 418                 if (flex_pit[i].size & 0x01 || flex_pit[i].dst_offset & 0x01 ||
 419                         flex_pit[i].src_offset & 0x01) {
 420                         PMD_DRV_LOG(ERR, "flexpayload should be measured"
 421                                 " in word");
 422                         return -EINVAL;
 423                 }
 424                 if (i != num - 1)
 425                         I40E_VALIDATE_FLEX_PIT(flex_pit[i], flex_pit[i + 1]);
 426         }
 427         return 0;
 428 }
 429
 430 /*
 431  * i40e_check_fdir_flex_conf -check if the flex payload and mask configuration
 432  * arguments are valid
 433  */
 434 static int
 435 i40e_check_fdir_flex_conf(const struct i40e_adapter *adapter,
 436                           const struct rte_eth_fdir_flex_conf *conf)
 437 {
 438         const struct rte_eth_flex_payload_cfg *flex_cfg;
 439         const struct rte_eth_fdir_flex_mask *flex_mask;
 440         uint16_t mask_tmp;
 441         uint8_t nb_bitmask;
 442         uint16_t i, j;
 443         int ret = 0;
 444         enum i40e_filter_pctype pctype;
 445
 446         if (conf == NULL) {
 447                 PMD_DRV_LOG(INFO, "NULL pointer.");
 448                 return -EINVAL;
 449         }
 450         /* check flexible payload setting configuration */
 451         if (conf->nb_payloads > RTE_ETH_L4_PAYLOAD) {
 452                 PMD_DRV_LOG(ERR, "invalid number of payload setting.");
 453                 return -EINVAL;
 454         }
 455         for (i = 0; i < conf->nb_payloads; i++) {
 456                 flex_cfg = &conf->flex_set[i];
 457                 if (flex_cfg->type > RTE_ETH_L4_PAYLOAD) {
 458                         PMD_DRV_LOG(ERR, "invalid payload type.");
 459                         return -EINVAL;
 460                 }
 461                 ret = i40e_check_fdir_flex_payload(flex_cfg);
 462                 if (ret < 0) {
 463                         PMD_DRV_LOG(ERR, "invalid flex payload arguments.");
 464                         return -EINVAL;
 465                 }
 466         }
 467
 468         /* check flex mask setting configuration */
 469         if (conf->nb_flexmasks >= RTE_ETH_FLOW_MAX) {
 470                 PMD_DRV_LOG(ERR, "invalid number of flex masks.");
 471                 return -EINVAL;
 472         }
 473         for (i = 0; i < conf->nb_flexmasks; i++) {
 474                 flex_mask = &conf->flex_mask[i];
 475                 pctype = i40e_flowtype_to_pctype(adapter, flex_mask->flow_type);
 476                 if (pctype == I40E_FILTER_PCTYPE_INVALID) {
 477                         PMD_DRV_LOG(WARNING, "invalid flow type.");
 478                         return -EINVAL;
 479                 }
 480                 nb_bitmask = 0;
 481                 for (j = 0; j < I40E_FDIR_MAX_FLEX_LEN; j += sizeof(uint16_t)) {
 482                         mask_tmp = I40E_WORD(flex_mask->mask[j],
 483                                              flex_mask->mask[j + 1]);
 484                         if (mask_tmp != 0x0 && mask_tmp != UINT16_MAX) {
 485                                 nb_bitmask++;
 486                                 if (nb_bitmask > I40E_FDIR_BITMASK_NUM_WORD) {
 487                                         PMD_DRV_LOG(ERR, " exceed maximal"
 488                                                 " number of bitmasks.");
 489                                         return -EINVAL;
 490                                 }
 491                         }
 492                 }
 493         }
 494         return 0;
 495 }
 496
 497 /*
 498  * i40e_set_flx_pld_cfg -configure the rule how bytes stream is extracted as flexible payload
 499  * @pf: board private structure
 500  * @cfg: the rule how bytes stream is extracted as flexible payload
 501  */
 502 static void
 503 i40e_set_flx_pld_cfg(struct i40e_pf *pf,
 504                          const struct rte_eth_flex_payload_cfg *cfg)
 505 {
 506         struct i40e_hw *hw = I40E_PF_TO_HW(pf);
 507         struct i40e_fdir_flex_pit flex_pit[I40E_MAX_FLXPLD_FIED];
 508         uint32_t flx_pit, flx_ort;
 509         uint16_t num, min_next_off;  /* in words */
 510         uint8_t field_idx = 0;
 511         uint8_t layer_idx = 0;
 512         uint16_t i;
 513
 514         if (cfg->type == RTE_ETH_L2_PAYLOAD)
 515                 layer_idx = I40E_FLXPLD_L2_IDX;
 516         else if (cfg->type == RTE_ETH_L3_PAYLOAD)
 517                 layer_idx = I40E_FLXPLD_L3_IDX;
 518         else if (cfg->type == RTE_ETH_L4_PAYLOAD)
 519                 layer_idx = I40E_FLXPLD_L4_IDX;
 520
 521         memset(flex_pit, 0, sizeof(flex_pit));
 522         num = RTE_MIN(i40e_srcoff_to_flx_pit(cfg->src_offset, flex_pit),
 523                       RTE_DIM(flex_pit));
 524
 525         if (num) {
 526                 flx_ort = (1 << I40E_GLQF_ORT_FLX_PAYLOAD_SHIFT) |
 527                           (num << I40E_GLQF_ORT_FIELD_CNT_SHIFT) |
 528                           (layer_idx * I40E_MAX_FLXPLD_FIED);
 529                 I40E_WRITE_REG(hw, I40E_GLQF_ORT(33 + layer_idx), flx_ort);
 530         }
 531
 532         for (i = 0; i < num; i++) {
 533                 field_idx = layer_idx * I40E_MAX_FLXPLD_FIED + i;
 534                 /* record the info in fdir structure */
 535                 pf->fdir.flex_set[field_idx].src_offset =
 536                         flex_pit[i].src_offset / sizeof(uint16_t);
 537                 pf->fdir.flex_set[field_idx].size =
 538                         flex_pit[i].size / sizeof(uint16_t);
 539                 pf->fdir.flex_set[field_idx].dst_offset =
 540                         flex_pit[i].dst_offset / sizeof(uint16_t);
 541                 flx_pit = MK_FLX_PIT(pf->fdir.flex_set[field_idx].src_offset,
 542                                 pf->fdir.flex_set[field_idx].size,
 543                                 pf->fdir.flex_set[field_idx].dst_offset);
 544
 545                 I40E_WRITE_REG(hw, I40E_PRTQF_FLX_PIT(field_idx), flx_pit);
 546         }
 547         min_next_off = pf->fdir.flex_set[field_idx].src_offset +
 548                                 pf->fdir.flex_set[field_idx].size;
 549
 550         for (; i < I40E_MAX_FLXPLD_FIED; i++) {
 551                 /* set the non-used register obeying register's constrain */
 552                 flx_pit = MK_FLX_PIT(min_next_off, NONUSE_FLX_PIT_FSIZE,
 553                            NONUSE_FLX_PIT_DEST_OFF);
 554                 I40E_WRITE_REG(hw,
 555                         I40E_PRTQF_FLX_PIT(layer_idx * I40E_MAX_FLXPLD_FIED + i),
 556                         flx_pit);
 557                 min_next_off++;
 558         }
 559 }
 560
 561 /*
 562  * i40e_set_flex_mask_on_pctype - configure the mask on flexible payload
 563  * @pf: board private structure
 564  * @pctype: packet classify type
 565  * @flex_masks: mask for flexible payload
 566  */
 567 static void
 568 i40e_set_flex_mask_on_pctype(struct i40e_pf *pf,
 569                 enum i40e_filter_pctype pctype,
 570                 const struct rte_eth_fdir_flex_mask *mask_cfg)
 571 {
 572         struct i40e_hw *hw = I40E_PF_TO_HW(pf);
 573         struct i40e_fdir_flex_mask *flex_mask;
 574         uint32_t flxinset, fd_mask;
 575         uint16_t mask_tmp;
 576         uint8_t i, nb_bitmask = 0;
 577
 578         flex_mask = &pf->fdir.flex_mask[pctype];
 579         memset(flex_mask, 0, sizeof(struct i40e_fdir_flex_mask));
 580         for (i = 0; i < I40E_FDIR_MAX_FLEX_LEN; i += sizeof(uint16_t)) {
 581                 mask_tmp = I40E_WORD(mask_cfg->mask[i], mask_cfg->mask[i + 1]);
 582                 if (mask_tmp != 0x0) {
 583                         flex_mask->word_mask |=
 584                                 I40E_FLEX_WORD_MASK(i / sizeof(uint16_t));
 585                         if (mask_tmp != UINT16_MAX) {
 586                                 /* set bit mask */
 587                                 flex_mask->bitmask[nb_bitmask].mask = ~mask_tmp;
 588                                 flex_mask->bitmask[nb_bitmask].offset =
 589                                         i / sizeof(uint16_t);
 590                                 nb_bitmask++;
 591                         }
 592                 }
 593         }
 594         /* write mask to hw */
 595         flxinset = (flex_mask->word_mask <<
 596                 I40E_PRTQF_FD_FLXINSET_INSET_SHIFT) &
 597                 I40E_PRTQF_FD_FLXINSET_INSET_MASK;
 598         i40e_write_rx_ctl(hw, I40E_PRTQF_FD_FLXINSET(pctype), flxinset);
 599
 600         for (i = 0; i < nb_bitmask; i++) {
 601                 fd_mask = (flex_mask->bitmask[i].mask <<
 602                         I40E_PRTQF_FD_MSK_MASK_SHIFT) &
 603                         I40E_PRTQF_FD_MSK_MASK_MASK;
 604                 fd_mask |= ((flex_mask->bitmask[i].offset +
 605                         I40E_FLX_OFFSET_IN_FIELD_VECTOR) <<
 606                         I40E_PRTQF_FD_MSK_OFFSET_SHIFT) &
 607                         I40E_PRTQF_FD_MSK_OFFSET_MASK;
 608                 i40e_write_rx_ctl(hw, I40E_PRTQF_FD_MSK(pctype, i), fd_mask);
 609         }
 610 }
 611
 612 /*
 613  * Configure flow director related setting
 614  */
 615 int
 616 i40e_fdir_configure(struct rte_eth_dev *dev)
 617 {
 618         struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
 619         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 620         struct rte_eth_fdir_flex_conf *conf;
 621         enum i40e_filter_pctype pctype;
 622         uint32_t val;
 623         uint8_t i;
 624         int ret = 0;
 625
 626         /*
 627         * configuration need to be done before
 628         * flow director filters are added
 629         * If filters exist, flush them.
 630         */
 631         if (i40e_fdir_empty(hw) < 0) {
 632                 ret = i40e_fdir_flush(dev);
 633                 if (ret) {
 634                         PMD_DRV_LOG(ERR, "failed to flush fdir table.");
 635                         return ret;
 636                 }
 637         }
 638
 639         /* enable FDIR filter */
 640         val = i40e_read_rx_ctl(hw, I40E_PFQF_CTL_0);
 641         val |= I40E_PFQF_CTL_0_FD_ENA_MASK;
 642         i40e_write_rx_ctl(hw, I40E_PFQF_CTL_0, val);
 643
 644         i40e_init_flx_pld(pf); /* set flex config to default value */
 645
 646         conf = &dev->data->dev_conf.fdir_conf.flex_conf;
 647         ret = i40e_check_fdir_flex_conf(pf->adapter, conf);
 648         if (ret < 0) {
 649                 PMD_DRV_LOG(ERR, " invalid configuration arguments.");
 650                 return -EINVAL;
 651         }
 652         /* configure flex payload */
 653         for (i = 0; i < conf->nb_payloads; i++)
 654                 i40e_set_flx_pld_cfg(pf, &conf->flex_set[i]);
 655         /* configure flex mask*/
 656         for (i = 0; i < conf->nb_flexmasks; i++) {
 657                 if (hw->mac.type == I40E_MAC_X722) {
 658                         /* get translated pctype value in fd pctype register */
 659                         pctype = (enum i40e_filter_pctype)i40e_read_rx_ctl(
 660                                 hw, I40E_GLQF_FD_PCTYPES(
 661                                 (int)i40e_flowtype_to_pctype(pf->adapter,
 662                                 conf->flex_mask[i].flow_type)));
 663                 } else
 664                         pctype = i40e_flowtype_to_pctype(pf->adapter,
 665                                                 conf->flex_mask[i].flow_type);
 666
 667                 i40e_set_flex_mask_on_pctype(pf, pctype, &conf->flex_mask[i]);
 668         }
 669
 670         return ret;
 671 }
 672
 673 static inline int
 674 i40e_fdir_fill_eth_ip_head(const struct rte_eth_fdir_input *fdir_input,
 675                            unsigned char *raw_pkt,
 676                            bool vlan)
 677 {
 678         static uint8_t vlan_frame[] = {0x81, 0, 0, 0};
 679         uint16_t *ether_type;
 680         uint8_t len = 2 * sizeof(struct ether_addr);
 681         struct ipv4_hdr *ip;
 682         struct ipv6_hdr *ip6;
 683         static const uint8_t next_proto[] = {
 684                 [RTE_ETH_FLOW_FRAG_IPV4] = IPPROTO_IP,
 685                 [RTE_ETH_FLOW_NONFRAG_IPV4_TCP] = IPPROTO_TCP,
 686                 [RTE_ETH_FLOW_NONFRAG_IPV4_UDP] = IPPROTO_UDP,
 687                 [RTE_ETH_FLOW_NONFRAG_IPV4_SCTP] = IPPROTO_SCTP,
 688                 [RTE_ETH_FLOW_NONFRAG_IPV4_OTHER] = IPPROTO_IP,
 689                 [RTE_ETH_FLOW_FRAG_IPV6] = IPPROTO_NONE,
 690                 [RTE_ETH_FLOW_NONFRAG_IPV6_TCP] = IPPROTO_TCP,
 691                 [RTE_ETH_FLOW_NONFRAG_IPV6_UDP] = IPPROTO_UDP,
 692                 [RTE_ETH_FLOW_NONFRAG_IPV6_SCTP] = IPPROTO_SCTP,
 693                 [RTE_ETH_FLOW_NONFRAG_IPV6_OTHER] = IPPROTO_NONE,
 694         };
 695
 696         raw_pkt += 2 * sizeof(struct ether_addr);
 697         if (vlan && fdir_input->flow_ext.vlan_tci) {
 698                 rte_memcpy(raw_pkt, vlan_frame, sizeof(vlan_frame));
 699                 rte_memcpy(raw_pkt + sizeof(uint16_t),
 700                            &fdir_input->flow_ext.vlan_tci,
 701                            sizeof(uint16_t));
 702                 raw_pkt += sizeof(vlan_frame);
 703                 len += sizeof(vlan_frame);
 704         }
 705         ether_type = (uint16_t *)raw_pkt;
 706         raw_pkt += sizeof(uint16_t);
 707         len += sizeof(uint16_t);
 708
 709         switch (fdir_input->flow_type) {
 710         case RTE_ETH_FLOW_L2_PAYLOAD:
 711                 *ether_type = fdir_input->flow.l2_flow.ether_type;
 712                 break;
 713         case RTE_ETH_FLOW_NONFRAG_IPV4_TCP:
 714         case RTE_ETH_FLOW_NONFRAG_IPV4_UDP:
 715         case RTE_ETH_FLOW_NONFRAG_IPV4_SCTP:
 716         case RTE_ETH_FLOW_NONFRAG_IPV4_OTHER:
 717         case RTE_ETH_FLOW_FRAG_IPV4:
 718                 ip = (struct ipv4_hdr *)raw_pkt;
 719
 720                 *ether_type = rte_cpu_to_be_16(ETHER_TYPE_IPv4);
 721                 ip->version_ihl = I40E_FDIR_IP_DEFAULT_VERSION_IHL;
 722                 /* set len to by default */
 723                 ip->total_length = rte_cpu_to_be_16(I40E_FDIR_IP_DEFAULT_LEN);
 724                 ip->next_proto_id = fdir_input->flow.ip4_flow.proto ?
 725                                         fdir_input->flow.ip4_flow.proto :
 726                                         next_proto[fdir_input->flow_type];
 727                 ip->time_to_live = fdir_input->flow.ip4_flow.ttl ?
 728                                         fdir_input->flow.ip4_flow.ttl :
 729                                         I40E_FDIR_IP_DEFAULT_TTL;
 730                 ip->type_of_service = fdir_input->flow.ip4_flow.tos;
 731                 /*
 732                  * The source and destination fields in the transmitted packet
 733                  * need to be presented in a reversed order with respect
 734                  * to the expected received packets.
 735                  */
 736                 ip->src_addr = fdir_input->flow.ip4_flow.dst_ip;
 737                 ip->dst_addr = fdir_input->flow.ip4_flow.src_ip;
 738                 len += sizeof(struct ipv4_hdr);
 739                 break;
 740         case RTE_ETH_FLOW_NONFRAG_IPV6_TCP:
 741         case RTE_ETH_FLOW_NONFRAG_IPV6_UDP:
 742         case RTE_ETH_FLOW_NONFRAG_IPV6_SCTP:
 743         case RTE_ETH_FLOW_NONFRAG_IPV6_OTHER:
 744         case RTE_ETH_FLOW_FRAG_IPV6:
 745                 ip6 = (struct ipv6_hdr *)raw_pkt;
 746
 747                 *ether_type = rte_cpu_to_be_16(ETHER_TYPE_IPv6);
 748                 ip6->vtc_flow =
 749                         rte_cpu_to_be_32(I40E_FDIR_IPv6_DEFAULT_VTC_FLOW |
 750                                          (fdir_input->flow.ipv6_flow.tc <<
 751                                           I40E_FDIR_IPv6_TC_OFFSET));
 752                 ip6->payload_len =
 753                         rte_cpu_to_be_16(I40E_FDIR_IPv6_PAYLOAD_LEN);
 754                 ip6->proto = fdir_input->flow.ipv6_flow.proto ?
 755                                         fdir_input->flow.ipv6_flow.proto :
 756                                         next_proto[fdir_input->flow_type];
 757                 ip6->hop_limits = fdir_input->flow.ipv6_flow.hop_limits ?
 758                                         fdir_input->flow.ipv6_flow.hop_limits :
 759                                         I40E_FDIR_IPv6_DEFAULT_HOP_LIMITS;
 760                 /*
 761                  * The source and destination fields in the transmitted packet
 762                  * need to be presented in a reversed order with respect
 763                  * to the expected received packets.
 764                  */
 765                 rte_memcpy(&(ip6->src_addr),
 766                            &(fdir_input->flow.ipv6_flow.dst_ip),
 767                            IPV6_ADDR_LEN);
 768                 rte_memcpy(&(ip6->dst_addr),
 769                            &(fdir_input->flow.ipv6_flow.src_ip),
 770                            IPV6_ADDR_LEN);
 771                 len += sizeof(struct ipv6_hdr);
 772                 break;
 773         default:
 774                 PMD_DRV_LOG(ERR, "unknown flow type %u.",
 775                             fdir_input->flow_type);
 776                 return -1;
 777         }
 778         return len;
 779 }
 780
 781
 782 /*
 783  * i40e_fdir_construct_pkt - construct packet based on fields in input
 784  * @pf: board private structure
 785  * @fdir_input: input set of the flow director entry
 786  * @raw_pkt: a packet to be constructed
 787  */
 788 static int
 789 i40e_fdir_construct_pkt(struct i40e_pf *pf,
 790                              const struct rte_eth_fdir_input *fdir_input,
 791                              unsigned char *raw_pkt)
 792 {
 793         unsigned char *payload, *ptr;
 794         struct udp_hdr *udp;
 795         struct tcp_hdr *tcp;
 796         struct sctp_hdr *sctp;
 797         uint8_t size, dst = 0;
 798         uint8_t i, pit_idx, set_idx = I40E_FLXPLD_L4_IDX; /* use l4 by default*/
 799         int len;
 800
 801         /* fill the ethernet and IP head */
 802         len = i40e_fdir_fill_eth_ip_head(fdir_input, raw_pkt,
 803                                          !!fdir_input->flow_ext.vlan_tci);
 804         if (len < 0)
 805                 return -EINVAL;
 806
 807         /* fill the L4 head */
 808         switch (fdir_input->flow_type) {
 809         case RTE_ETH_FLOW_NONFRAG_IPV4_UDP:
 810                 udp = (struct udp_hdr *)(raw_pkt + len);
 811                 payload = (unsigned char *)udp + sizeof(struct udp_hdr);
 812                 /*
 813                  * The source and destination fields in the transmitted packet
 814                  * need to be presented in a reversed order with respect
 815                  * to the expected received packets.
 816                  */
 817                 udp->src_port = fdir_input->flow.udp4_flow.dst_port;
 818                 udp->dst_port = fdir_input->flow.udp4_flow.src_port;
 819                 udp->dgram_len = rte_cpu_to_be_16(I40E_FDIR_UDP_DEFAULT_LEN);
 820                 break;
 821
 822         case RTE_ETH_FLOW_NONFRAG_IPV4_TCP:
 823                 tcp = (struct tcp_hdr *)(raw_pkt + len);
 824                 payload = (unsigned char *)tcp + sizeof(struct tcp_hdr);
 825                 /*
 826                  * The source and destination fields in the transmitted packet
 827                  * need to be presented in a reversed order with respect
 828                  * to the expected received packets.
 829                  */
 830                 tcp->src_port = fdir_input->flow.tcp4_flow.dst_port;
 831                 tcp->dst_port = fdir_input->flow.tcp4_flow.src_port;
 832                 tcp->data_off = I40E_FDIR_TCP_DEFAULT_DATAOFF;
 833                 break;
 834
 835         case RTE_ETH_FLOW_NONFRAG_IPV4_SCTP:
 836                 sctp = (struct sctp_hdr *)(raw_pkt + len);
 837                 payload = (unsigned char *)sctp + sizeof(struct sctp_hdr);
 838                 /*
 839                  * The source and destination fields in the transmitted packet
 840                  * need to be presented in a reversed order with respect
 841                  * to the expected received packets.
 842                  */
 843                 sctp->src_port = fdir_input->flow.sctp4_flow.dst_port;
 844                 sctp->dst_port = fdir_input->flow.sctp4_flow.src_port;
 845                 sctp->tag = fdir_input->flow.sctp4_flow.verify_tag;
 846                 break;
 847
 848         case RTE_ETH_FLOW_NONFRAG_IPV4_OTHER:
 849         case RTE_ETH_FLOW_FRAG_IPV4:
 850                 payload = raw_pkt + len;
 851                 set_idx = I40E_FLXPLD_L3_IDX;
 852                 break;
 853
 854         case RTE_ETH_FLOW_NONFRAG_IPV6_UDP:
 855                 udp = (struct udp_hdr *)(raw_pkt + len);
 856                 payload = (unsigned char *)udp + sizeof(struct udp_hdr);
 857                 /*
 858                  * The source and destination fields in the transmitted packet
 859                  * need to be presented in a reversed order with respect
 860                  * to the expected received packets.
 861                  */
 862                 udp->src_port = fdir_input->flow.udp6_flow.dst_port;
 863                 udp->dst_port = fdir_input->flow.udp6_flow.src_port;
 864                 udp->dgram_len = rte_cpu_to_be_16(I40E_FDIR_IPv6_PAYLOAD_LEN);
 865                 break;
 866
 867         case RTE_ETH_FLOW_NONFRAG_IPV6_TCP:
 868                 tcp = (struct tcp_hdr *)(raw_pkt + len);
 869                 payload = (unsigned char *)tcp + sizeof(struct tcp_hdr);
 870                 /*
 871                  * The source and destination fields in the transmitted packet
 872                  * need to be presented in a reversed order with respect
 873                  * to the expected received packets.
 874                  */
 875                 tcp->data_off = I40E_FDIR_TCP_DEFAULT_DATAOFF;
 876                 tcp->src_port = fdir_input->flow.udp6_flow.dst_port;
 877                 tcp->dst_port = fdir_input->flow.udp6_flow.src_port;
 878                 break;
 879
 880         case RTE_ETH_FLOW_NONFRAG_IPV6_SCTP:
 881                 sctp = (struct sctp_hdr *)(raw_pkt + len);
 882                 payload = (unsigned char *)sctp + sizeof(struct sctp_hdr);
 883                 /*
 884                  * The source and destination fields in the transmitted packet
 885                  * need to be presented in a reversed order with respect
 886                  * to the expected received packets.
 887                  */
 888                 sctp->src_port = fdir_input->flow.sctp6_flow.dst_port;
 889                 sctp->dst_port = fdir_input->flow.sctp6_flow.src_port;
 890                 sctp->tag = fdir_input->flow.sctp6_flow.verify_tag;
 891                 break;
 892
 893         case RTE_ETH_FLOW_NONFRAG_IPV6_OTHER:
 894         case RTE_ETH_FLOW_FRAG_IPV6:
 895                 payload = raw_pkt + len;
 896                 set_idx = I40E_FLXPLD_L3_IDX;
 897                 break;
 898         case RTE_ETH_FLOW_L2_PAYLOAD:
 899                 payload = raw_pkt + len;
 900                 /*
 901                  * ARP packet is a special case on which the payload
 902                  * starts after the whole ARP header
 903                  */
 904                 if (fdir_input->flow.l2_flow.ether_type ==
 905                                 rte_cpu_to_be_16(ETHER_TYPE_ARP))
 906                         payload += sizeof(struct arp_hdr);
 907                 set_idx = I40E_FLXPLD_L2_IDX;
 908                 break;
 909         default:
 910                 PMD_DRV_LOG(ERR, "unknown flow type %u.", fdir_input->flow_type);
 911                 return -EINVAL;
 912         }
 913
 914         /* fill the flexbytes to payload */
 915         for (i = 0; i < I40E_MAX_FLXPLD_FIED; i++) {
 916                 pit_idx = set_idx * I40E_MAX_FLXPLD_FIED + i;
 917                 size = pf->fdir.flex_set[pit_idx].size;
 918                 if (size == 0)
 919                         continue;
 920                 dst = pf->fdir.flex_set[pit_idx].dst_offset * sizeof(uint16_t);
 921                 ptr = payload +
 922                         pf->fdir.flex_set[pit_idx].src_offset * sizeof(uint16_t);
 923                 rte_memcpy(ptr,
 924                                  &fdir_input->flow_ext.flexbytes[dst],
 925                                  size * sizeof(uint16_t));
 926         }
 927
 928         return 0;
 929 }
 930
 931 static struct i40e_customized_pctype *
 932 i40e_flow_fdir_find_customized_pctype(struct i40e_pf *pf, uint8_t pctype)
 933 {
 934         struct i40e_customized_pctype *cus_pctype;
 935         enum i40e_new_pctype i = I40E_CUSTOMIZED_GTPC;
 936
 937         for (; i < I40E_CUSTOMIZED_MAX; i++) {
 938                 cus_pctype = &pf->customized_pctype[i];
 939                 if (pctype == cus_pctype->pctype)
 940                         return cus_pctype;
 941         }
 942         return NULL;
 943 }
 944
 945 static inline int
 946 i40e_flow_fdir_fill_eth_ip_head(struct i40e_pf *pf,
 947                                 const struct i40e_fdir_input *fdir_input,
 948                                 unsigned char *raw_pkt,
 949                                 bool vlan)
 950 {
 951         struct i40e_customized_pctype *cus_pctype = NULL;
 952         static uint8_t vlan_frame[] = {0x81, 0, 0, 0};
 953         uint16_t *ether_type;
 954         uint8_t len = 2 * sizeof(struct ether_addr);
 955         struct ipv4_hdr *ip;
 956         struct ipv6_hdr *ip6;
 957         uint8_t pctype = fdir_input->pctype;
 958         bool is_customized_pctype = fdir_input->flow_ext.customized_pctype;
 959         static const uint8_t next_proto[] = {
 960                 [I40E_FILTER_PCTYPE_FRAG_IPV4] = IPPROTO_IP,
 961                 [I40E_FILTER_PCTYPE_NONF_IPV4_TCP] = IPPROTO_TCP,
 962                 [I40E_FILTER_PCTYPE_NONF_IPV4_UDP] = IPPROTO_UDP,
 963                 [I40E_FILTER_PCTYPE_NONF_IPV4_SCTP] = IPPROTO_SCTP,
 964                 [I40E_FILTER_PCTYPE_NONF_IPV4_OTHER] = IPPROTO_IP,
 965                 [I40E_FILTER_PCTYPE_FRAG_IPV6] = IPPROTO_NONE,
 966                 [I40E_FILTER_PCTYPE_NONF_IPV6_TCP] = IPPROTO_TCP,
 967                 [I40E_FILTER_PCTYPE_NONF_IPV6_UDP] = IPPROTO_UDP,
 968                 [I40E_FILTER_PCTYPE_NONF_IPV6_SCTP] = IPPROTO_SCTP,
 969                 [I40E_FILTER_PCTYPE_NONF_IPV6_OTHER] = IPPROTO_NONE,
 970         };
 971
 972         raw_pkt += 2 * sizeof(struct ether_addr);
 973         if (vlan && fdir_input->flow_ext.vlan_tci) {
 974                 rte_memcpy(raw_pkt, vlan_frame, sizeof(vlan_frame));
 975                 rte_memcpy(raw_pkt + sizeof(uint16_t),
 976                            &fdir_input->flow_ext.vlan_tci,
 977                            sizeof(uint16_t));
 978                 raw_pkt += sizeof(vlan_frame);
 979                 len += sizeof(vlan_frame);
 980         }
 981         ether_type = (uint16_t *)raw_pkt;
 982         raw_pkt += sizeof(uint16_t);
 983         len += sizeof(uint16_t);
 984
 985         if (is_customized_pctype) {
 986                 cus_pctype = i40e_flow_fdir_find_customized_pctype(pf, pctype);
 987                 if (!cus_pctype) {
 988                         PMD_DRV_LOG(ERR, "unknown pctype %u.",
 989                                     fdir_input->pctype);
 990                         return -1;
 991                 }
 992         }
 993
 994         if (pctype == I40E_FILTER_PCTYPE_L2_PAYLOAD)
 995                 *ether_type = fdir_input->flow.l2_flow.ether_type;
 996         else if (pctype == I40E_FILTER_PCTYPE_NONF_IPV4_TCP ||
 997                  pctype == I40E_FILTER_PCTYPE_NONF_IPV4_UDP ||
 998                  pctype == I40E_FILTER_PCTYPE_NONF_IPV4_SCTP ||
 999                  pctype == I40E_FILTER_PCTYPE_NONF_IPV4_OTHER ||
1000                  pctype == I40E_FILTER_PCTYPE_FRAG_IPV4 ||
1001                  is_customized_pctype) {
1002                 ip = (struct ipv4_hdr *)raw_pkt;
1003
1004                 *ether_type = rte_cpu_to_be_16(ETHER_TYPE_IPv4);
1005                 ip->version_ihl = I40E_FDIR_IP_DEFAULT_VERSION_IHL;
1006                 /* set len to by default */
1007                 ip->total_length = rte_cpu_to_be_16(I40E_FDIR_IP_DEFAULT_LEN);
1008                 ip->time_to_live = fdir_input->flow.ip4_flow.ttl ?
1009                         fdir_input->flow.ip4_flow.ttl :
1010                         I40E_FDIR_IP_DEFAULT_TTL;
1011                 ip->type_of_service = fdir_input->flow.ip4_flow.tos;
1012                 /**
1013                  * The source and destination fields in the transmitted packet
1014                  * need to be presented in a reversed order with respect
1015                  * to the expected received packets.
1016                  */
1017                 ip->src_addr = fdir_input->flow.ip4_flow.dst_ip;
1018                 ip->dst_addr = fdir_input->flow.ip4_flow.src_ip;
1019
1020                 if (!is_customized_pctype)
1021                         ip->next_proto_id = fdir_input->flow.ip4_flow.proto ?
1022                                 fdir_input->flow.ip4_flow.proto :
1023                                 next_proto[fdir_input->pctype];
1024                 else if (cus_pctype->index == I40E_CUSTOMIZED_GTPC ||
1025                          cus_pctype->index == I40E_CUSTOMIZED_GTPU_IPV4 ||
1026                          cus_pctype->index == I40E_CUSTOMIZED_GTPU_IPV6 ||
1027                          cus_pctype->index == I40E_CUSTOMIZED_GTPU)
1028                         ip->next_proto_id = IPPROTO_UDP;
1029                 len += sizeof(struct ipv4_hdr);
1030         } else if (pctype == I40E_FILTER_PCTYPE_NONF_IPV6_TCP ||
1031                    pctype == I40E_FILTER_PCTYPE_NONF_IPV6_UDP ||
1032                    pctype == I40E_FILTER_PCTYPE_NONF_IPV6_SCTP ||
1033                    pctype == I40E_FILTER_PCTYPE_NONF_IPV6_OTHER ||
1034                    pctype == I40E_FILTER_PCTYPE_FRAG_IPV6) {
1035                 ip6 = (struct ipv6_hdr *)raw_pkt;
1036
1037                 *ether_type = rte_cpu_to_be_16(ETHER_TYPE_IPv6);
1038                 ip6->vtc_flow =
1039                         rte_cpu_to_be_32(I40E_FDIR_IPv6_DEFAULT_VTC_FLOW |
1040                                          (fdir_input->flow.ipv6_flow.tc <<
1041                                           I40E_FDIR_IPv6_TC_OFFSET));
1042                 ip6->payload_len =
1043                         rte_cpu_to_be_16(I40E_FDIR_IPv6_PAYLOAD_LEN);
1044                 ip6->proto = fdir_input->flow.ipv6_flow.proto ?
1045                         fdir_input->flow.ipv6_flow.proto :
1046                         next_proto[fdir_input->pctype];
1047                 ip6->hop_limits = fdir_input->flow.ipv6_flow.hop_limits ?
1048                         fdir_input->flow.ipv6_flow.hop_limits :
1049                         I40E_FDIR_IPv6_DEFAULT_HOP_LIMITS;
1050                 /**
1051                  * The source and destination fields in the transmitted packet
1052                  * need to be presented in a reversed order with respect
1053                  * to the expected received packets.
1054                  */
1055                 rte_memcpy(&ip6->src_addr,
1056                            &fdir_input->flow.ipv6_flow.dst_ip,
1057                            IPV6_ADDR_LEN);
1058                 rte_memcpy(&ip6->dst_addr,
1059                            &fdir_input->flow.ipv6_flow.src_ip,
1060                            IPV6_ADDR_LEN);
1061                 len += sizeof(struct ipv6_hdr);
1062         } else {
1063                 PMD_DRV_LOG(ERR, "unknown pctype %u.",
1064                             fdir_input->pctype);
1065                 return -1;
1066         }
1067
1068         return len;
1069 }
1070
1071 /**
1072  * i40e_flow_fdir_construct_pkt - construct packet based on fields in input
1073  * @pf: board private structure
1074  * @fdir_input: input set of the flow director entry
1075  * @raw_pkt: a packet to be constructed
1076  */
1077 static int
1078 i40e_flow_fdir_construct_pkt(struct i40e_pf *pf,
1079                              const struct i40e_fdir_input *fdir_input,
1080                              unsigned char *raw_pkt)
1081 {
1082         unsigned char *payload = NULL;
1083         unsigned char *ptr;
1084         struct udp_hdr *udp;
1085         struct tcp_hdr *tcp;
1086         struct sctp_hdr *sctp;
1087         struct rte_flow_item_gtp *gtp;
1088         struct ipv4_hdr *gtp_ipv4;
1089         struct ipv6_hdr *gtp_ipv6;
1090         uint8_t size, dst = 0;
1091         uint8_t i, pit_idx, set_idx = I40E_FLXPLD_L4_IDX; /* use l4 by default*/
1092         int len;
1093         uint8_t pctype = fdir_input->pctype;
1094         struct i40e_customized_pctype *cus_pctype;
1095
1096         /* raw pcket template - just copy contents of the raw packet */
1097         if (fdir_input->flow_ext.pkt_template) {
1098                 memcpy(raw_pkt, fdir_input->flow.raw_flow.packet,
1099                        fdir_input->flow.raw_flow.length);
1100                 return 0;
1101         }
1102
1103         /* fill the ethernet and IP head */
1104         len = i40e_flow_fdir_fill_eth_ip_head(pf, fdir_input, raw_pkt,
1105                                               !!fdir_input->flow_ext.vlan_tci);
1106         if (len < 0)
1107                 return -EINVAL;
1108
1109         /* fill the L4 head */
1110         if (pctype == I40E_FILTER_PCTYPE_NONF_IPV4_UDP) {
1111                 udp = (struct udp_hdr *)(raw_pkt + len);
1112                 payload = (unsigned char *)udp + sizeof(struct udp_hdr);
1113                 /**
1114                  * The source and destination fields in the transmitted packet
1115                  * need to be presented in a reversed order with respect
1116                  * to the expected received packets.
1117                  */
1118                 udp->src_port = fdir_input->flow.udp4_flow.dst_port;
1119                 udp->dst_port = fdir_input->flow.udp4_flow.src_port;
1120                 udp->dgram_len = rte_cpu_to_be_16(I40E_FDIR_UDP_DEFAULT_LEN);
1121         } else if (pctype == I40E_FILTER_PCTYPE_NONF_IPV4_TCP) {
1122                 tcp = (struct tcp_hdr *)(raw_pkt + len);
1123                 payload = (unsigned char *)tcp + sizeof(struct tcp_hdr);
1124                 /**
1125                  * The source and destination fields in the transmitted packet
1126                  * need to be presented in a reversed order with respect
1127                  * to the expected received packets.
1128                  */
1129                 tcp->src_port = fdir_input->flow.tcp4_flow.dst_port;
1130                 tcp->dst_port = fdir_input->flow.tcp4_flow.src_port;
1131                 tcp->data_off = I40E_FDIR_TCP_DEFAULT_DATAOFF;
1132         } else if (pctype == I40E_FILTER_PCTYPE_NONF_IPV4_SCTP) {
1133                 sctp = (struct sctp_hdr *)(raw_pkt + len);
1134                 payload = (unsigned char *)sctp + sizeof(struct sctp_hdr);
1135                 /**
1136                  * The source and destination fields in the transmitted packet
1137                  * need to be presented in a reversed order with respect
1138                  * to the expected received packets.
1139                  */
1140                 sctp->src_port = fdir_input->flow.sctp4_flow.dst_port;
1141                 sctp->dst_port = fdir_input->flow.sctp4_flow.src_port;
1142                 sctp->tag = fdir_input->flow.sctp4_flow.verify_tag;
1143         } else if (pctype == I40E_FILTER_PCTYPE_NONF_IPV4_OTHER ||
1144                    pctype == I40E_FILTER_PCTYPE_FRAG_IPV4) {
1145                 payload = raw_pkt + len;
1146                 set_idx = I40E_FLXPLD_L3_IDX;
1147         } else if (pctype == I40E_FILTER_PCTYPE_NONF_IPV6_UDP) {
1148                 udp = (struct udp_hdr *)(raw_pkt + len);
1149                 payload = (unsigned char *)udp + sizeof(struct udp_hdr);
1150                 /**
1151                  * The source and destination fields in the transmitted packet
1152                  * need to be presented in a reversed order with respect
1153                  * to the expected received packets.
1154                  */
1155                 udp->src_port = fdir_input->flow.udp6_flow.dst_port;
1156                 udp->dst_port = fdir_input->flow.udp6_flow.src_port;
1157                 udp->dgram_len = rte_cpu_to_be_16(I40E_FDIR_IPv6_PAYLOAD_LEN);
1158         } else if (pctype == I40E_FILTER_PCTYPE_NONF_IPV6_TCP) {
1159                 tcp = (struct tcp_hdr *)(raw_pkt + len);
1160                 payload = (unsigned char *)tcp + sizeof(struct tcp_hdr);
1161                 /**
1162                  * The source and destination fields in the transmitted packet
1163                  * need to be presented in a reversed order with respect
1164                  * to the expected received packets.
1165                  */
1166                 tcp->data_off = I40E_FDIR_TCP_DEFAULT_DATAOFF;
1167                 tcp->src_port = fdir_input->flow.udp6_flow.dst_port;
1168                 tcp->dst_port = fdir_input->flow.udp6_flow.src_port;
1169         } else if (pctype == I40E_FILTER_PCTYPE_NONF_IPV6_SCTP) {
1170                 sctp = (struct sctp_hdr *)(raw_pkt + len);
1171                 payload = (unsigned char *)sctp + sizeof(struct sctp_hdr);
1172                 /**
1173                  * The source and destination fields in the transmitted packet
1174                  * need to be presented in a reversed order with respect
1175                  * to the expected received packets.
1176                  */
1177                 sctp->src_port = fdir_input->flow.sctp6_flow.dst_port;
1178                 sctp->dst_port = fdir_input->flow.sctp6_flow.src_port;
1179                 sctp->tag = fdir_input->flow.sctp6_flow.verify_tag;
1180         } else if (pctype == I40E_FILTER_PCTYPE_NONF_IPV6_OTHER ||
1181                    pctype == I40E_FILTER_PCTYPE_FRAG_IPV6) {
1182                 payload = raw_pkt + len;
1183                 set_idx = I40E_FLXPLD_L3_IDX;
1184         } else if (pctype == I40E_FILTER_PCTYPE_L2_PAYLOAD) {
1185                 payload = raw_pkt + len;
1186                 /**
1187                  * ARP packet is a special case on which the payload
1188                  * starts after the whole ARP header
1189                  */
1190                 if (fdir_input->flow.l2_flow.ether_type ==
1191                                 rte_cpu_to_be_16(ETHER_TYPE_ARP))
1192                         payload += sizeof(struct arp_hdr);
1193                 set_idx = I40E_FLXPLD_L2_IDX;
1194         } else if (fdir_input->flow_ext.customized_pctype) {
1195                 /* If customized pctype is used */
1196                 cus_pctype = i40e_flow_fdir_find_customized_pctype(pf, pctype);
1197                 if (cus_pctype->index == I40E_CUSTOMIZED_GTPC ||
1198                     cus_pctype->index == I40E_CUSTOMIZED_GTPU_IPV4 ||
1199                     cus_pctype->index == I40E_CUSTOMIZED_GTPU_IPV6 ||
1200                     cus_pctype->index == I40E_CUSTOMIZED_GTPU) {
1201                         udp = (struct udp_hdr *)(raw_pkt + len);
1202                         udp->dgram_len =
1203                                 rte_cpu_to_be_16(I40E_FDIR_UDP_DEFAULT_LEN);
1204
1205                         gtp = (struct rte_flow_item_gtp *)
1206                                 ((unsigned char *)udp + sizeof(struct udp_hdr));
1207                         gtp->msg_len =
1208                                 rte_cpu_to_be_16(I40E_FDIR_GTP_DEFAULT_LEN);
1209                         gtp->teid = fdir_input->flow.gtp_flow.teid;
1210                         gtp->msg_type = I40E_FDIR_GTP_MSG_TYPE_0X01;
1211
1212                         /* GTP-C message type is not supported. */
1213                         if (cus_pctype->index == I40E_CUSTOMIZED_GTPC) {
1214                                 udp->dst_port =
1215                                       rte_cpu_to_be_16(I40E_FDIR_GTPC_DST_PORT);
1216                                 gtp->v_pt_rsv_flags =
1217                                         I40E_FDIR_GTP_VER_FLAG_0X32;
1218                         } else {
1219                                 udp->dst_port =
1220                                       rte_cpu_to_be_16(I40E_FDIR_GTPU_DST_PORT);
1221                                 gtp->v_pt_rsv_flags =
1222                                         I40E_FDIR_GTP_VER_FLAG_0X30;
1223                         }
1224
1225                         if (cus_pctype->index == I40E_CUSTOMIZED_GTPU_IPV4) {
1226                                 gtp->msg_type = I40E_FDIR_GTP_MSG_TYPE_0XFF;
1227                                 gtp_ipv4 = (struct ipv4_hdr *)
1228                                         ((unsigned char *)gtp +
1229                                          sizeof(struct rte_flow_item_gtp));
1230                                 gtp_ipv4->version_ihl =
1231                                         I40E_FDIR_IP_DEFAULT_VERSION_IHL;
1232                                 gtp_ipv4->next_proto_id = IPPROTO_IP;
1233                                 gtp_ipv4->total_length =
1234                                         rte_cpu_to_be_16(
1235                                                 I40E_FDIR_INNER_IP_DEFAULT_LEN);
1236                                 payload = (unsigned char *)gtp_ipv4 +
1237                                         sizeof(struct ipv4_hdr);
1238                         } else if (cus_pctype->index ==
1239                                    I40E_CUSTOMIZED_GTPU_IPV6) {
1240                                 gtp->msg_type = I40E_FDIR_GTP_MSG_TYPE_0XFF;
1241                                 gtp_ipv6 = (struct ipv6_hdr *)
1242                                         ((unsigned char *)gtp +
1243                                          sizeof(struct rte_flow_item_gtp));
1244                                 gtp_ipv6->vtc_flow =
1245                                         rte_cpu_to_be_32(
1246                                                I40E_FDIR_IPv6_DEFAULT_VTC_FLOW |
1247                                                (0 << I40E_FDIR_IPv6_TC_OFFSET));
1248                                 gtp_ipv6->proto = IPPROTO_NONE;
1249                                 gtp_ipv6->payload_len =
1250                                         rte_cpu_to_be_16(
1251                                               I40E_FDIR_INNER_IPV6_DEFAULT_LEN);
1252                                 gtp_ipv6->hop_limits =
1253                                         I40E_FDIR_IPv6_DEFAULT_HOP_LIMITS;
1254                                 payload = (unsigned char *)gtp_ipv6 +
1255                                         sizeof(struct ipv6_hdr);
1256                         } else
1257                                 payload = (unsigned char *)gtp +
1258                                         sizeof(struct rte_flow_item_gtp);
1259                 }
1260         } else {
1261                 PMD_DRV_LOG(ERR, "unknown pctype %u.",
1262                             fdir_input->pctype);
1263                 return -1;
1264         }
1265
1266         /* fill the flexbytes to payload */
1267         for (i = 0; i < I40E_MAX_FLXPLD_FIED; i++) {
1268                 pit_idx = set_idx * I40E_MAX_FLXPLD_FIED + i;
1269                 size = pf->fdir.flex_set[pit_idx].size;
1270                 if (size == 0)
1271                         continue;
1272                 dst = pf->fdir.flex_set[pit_idx].dst_offset * sizeof(uint16_t);
1273                 ptr = payload +
1274                       pf->fdir.flex_set[pit_idx].src_offset * sizeof(uint16_t);
1275                 (void)rte_memcpy(ptr,
1276                                  &fdir_input->flow_ext.flexbytes[dst],
1277                                  size * sizeof(uint16_t));
1278         }
1279
1280         return 0;
1281 }
1282
1283 /* Construct the tx flags */
1284 static inline uint64_t
1285 i40e_build_ctob(uint32_t td_cmd,
1286                 uint32_t td_offset,
1287                 unsigned int size,
1288                 uint32_t td_tag)
1289 {
1290         return rte_cpu_to_le_64(I40E_TX_DESC_DTYPE_DATA |
1291                         ((uint64_t)td_cmd  << I40E_TXD_QW1_CMD_SHIFT) |
1292                         ((uint64_t)td_offset << I40E_TXD_QW1_OFFSET_SHIFT) |
1293                         ((uint64_t)size  << I40E_TXD_QW1_TX_BUF_SZ_SHIFT) |
1294                         ((uint64_t)td_tag  << I40E_TXD_QW1_L2TAG1_SHIFT));
1295 }
1296
1297 /*
1298  * check the programming status descriptor in rx queue.
1299  * done after Programming Flow Director is programmed on
1300  * tx queue
1301  */
1302 static inline int
1303 i40e_check_fdir_programming_status(struct i40e_rx_queue *rxq)
1304 {
1305         volatile union i40e_rx_desc *rxdp;
1306         uint64_t qword1;
1307         uint32_t rx_status;
1308         uint32_t len, id;
1309         uint32_t error;
1310         int ret = 0;
1311
1312         rxdp = &rxq->rx_ring[rxq->rx_tail];
1313         qword1 = rte_le_to_cpu_64(rxdp->wb.qword1.status_error_len);
1314         rx_status = (qword1 & I40E_RXD_QW1_STATUS_MASK)
1315                         >> I40E_RXD_QW1_STATUS_SHIFT;
1316
1317         if (rx_status & (1 << I40E_RX_DESC_STATUS_DD_SHIFT)) {
1318                 len = qword1 >> I40E_RX_PROG_STATUS_DESC_LENGTH_SHIFT;
1319                 id = (qword1 & I40E_RX_PROG_STATUS_DESC_QW1_PROGID_MASK) >>
1320                             I40E_RX_PROG_STATUS_DESC_QW1_PROGID_SHIFT;
1321
1322                 if (len  == I40E_RX_PROG_STATUS_DESC_LENGTH &&
1323                     id == I40E_RX_PROG_STATUS_DESC_FD_FILTER_STATUS) {
1324                         error = (qword1 &
1325                                 I40E_RX_PROG_STATUS_DESC_QW1_ERROR_MASK) >>
1326                                 I40E_RX_PROG_STATUS_DESC_QW1_ERROR_SHIFT;
1327                         if (error == (0x1 <<
1328                                 I40E_RX_PROG_STATUS_DESC_FD_TBL_FULL_SHIFT)) {
1329                                 PMD_DRV_LOG(ERR, "Failed to add FDIR filter"
1330                                             " (FD_ID %u): programming status"
1331                                             " reported.",
1332                                             rxdp->wb.qword0.hi_dword.fd_id);
1333                                 ret = -1;
1334                         } else if (error == (0x1 <<
1335                                 I40E_RX_PROG_STATUS_DESC_NO_FD_ENTRY_SHIFT)) {
1336                                 PMD_DRV_LOG(ERR, "Failed to delete FDIR filter"
1337                                             " (FD_ID %u): programming status"
1338                                             " reported.",
1339                                             rxdp->wb.qword0.hi_dword.fd_id);
1340                                 ret = -1;
1341                         } else
1342                                 PMD_DRV_LOG(ERR, "invalid programming status"
1343                                             " reported, error = %u.", error);
1344                 } else
1345                         PMD_DRV_LOG(ERR, "unknown programming status"
1346                                     " reported, len = %d, id = %u.", len, id);
1347                 rxdp->wb.qword1.status_error_len = 0;
1348                 rxq->rx_tail++;
1349                 if (unlikely(rxq->rx_tail == rxq->nb_rx_desc))
1350                         rxq->rx_tail = 0;
1351         }
1352         return ret;
1353 }
1354
1355 static int
1356 i40e_fdir_filter_convert(const struct i40e_fdir_filter_conf *input,
1357                          struct i40e_fdir_filter *filter)
1358 {
1359         rte_memcpy(&filter->fdir, input, sizeof(struct i40e_fdir_filter_conf));
1360         if (input->input.flow_ext.pkt_template) {
1361                 filter->fdir.input.flow.raw_flow.packet = NULL;
1362                 filter->fdir.input.flow.raw_flow.length =
1363                         rte_hash_crc(input->input.flow.raw_flow.packet,
1364                                      input->input.flow.raw_flow.length,
1365                                      input->input.flow.raw_flow.pctype);
1366         }
1367         return 0;
1368 }
1369
1370 /* Check if there exists the flow director filter */
1371 static struct i40e_fdir_filter *
1372 i40e_sw_fdir_filter_lookup(struct i40e_fdir_info *fdir_info,
1373                         const struct i40e_fdir_input *input)
1374 {
1375         int ret;
1376
1377         if (input->flow_ext.pkt_template)
1378                 ret = rte_hash_lookup_with_hash(fdir_info->hash_table,
1379                                                 (const void *)input,
1380                                                 input->flow.raw_flow.length);
1381         else
1382                 ret = rte_hash_lookup(fdir_info->hash_table,
1383                                       (const void *)input);
1384         if (ret < 0)
1385                 return NULL;
1386
1387         return fdir_info->hash_map[ret];
1388 }
1389
1390 /* Add a flow director filter into the SW list */
1391 static int
1392 i40e_sw_fdir_filter_insert(struct i40e_pf *pf, struct i40e_fdir_filter *filter)
1393 {
1394         struct i40e_fdir_info *fdir_info = &pf->fdir;
1395         int ret;
1396
1397         if (filter->fdir.input.flow_ext.pkt_template)
1398                 ret = rte_hash_add_key_with_hash(fdir_info->hash_table,
1399                                  &filter->fdir.input,
1400                                  filter->fdir.input.flow.raw_flow.length);
1401         else
1402                 ret = rte_hash_add_key(fdir_info->hash_table,
1403                                        &filter->fdir.input);
1404         if (ret < 0) {
1405                 PMD_DRV_LOG(ERR,
1406                             "Failed to insert fdir filter to hash table %d!",
1407                             ret);
1408                 return ret;
1409         }
1410         fdir_info->hash_map[ret] = filter;
1411
1412         TAILQ_INSERT_TAIL(&fdir_info->fdir_list, filter, rules);
1413
1414         return 0;
1415 }
1416
1417 /* Delete a flow director filter from the SW list */
1418 int
1419 i40e_sw_fdir_filter_del(struct i40e_pf *pf, struct i40e_fdir_input *input)
1420 {
1421         struct i40e_fdir_info *fdir_info = &pf->fdir;
1422         struct i40e_fdir_filter *filter;
1423         int ret;
1424
1425         if (input->flow_ext.pkt_template)
1426                 ret = rte_hash_del_key_with_hash(fdir_info->hash_table,
1427                                                  input,
1428                                                  input->flow.raw_flow.length);
1429         else
1430                 ret = rte_hash_del_key(fdir_info->hash_table, input);
1431         if (ret < 0) {
1432                 PMD_DRV_LOG(ERR,
1433                             "Failed to delete fdir filter to hash table %d!",
1434                             ret);
1435                 return ret;
1436         }
1437         filter = fdir_info->hash_map[ret];
1438         fdir_info->hash_map[ret] = NULL;
1439
1440         TAILQ_REMOVE(&fdir_info->fdir_list, filter, rules);
1441         rte_free(filter);
1442
1443         return 0;
1444 }
1445
1446 /*
1447  * i40e_add_del_fdir_filter - add or remove a flow director filter.
1448  * @pf: board private structure
1449  * @filter: fdir filter entry
1450  * @add: 0 - delete, 1 - add
1451  */
1452 int
1453 i40e_add_del_fdir_filter(struct rte_eth_dev *dev,
1454                          const struct rte_eth_fdir_filter *filter,
1455                          bool add)
1456 {
1457         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1458         struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
1459         unsigned char *pkt = (unsigned char *)pf->fdir.prg_pkt;
1460         enum i40e_filter_pctype pctype;
1461         int ret = 0;
1462
1463         if (dev->data->dev_conf.fdir_conf.mode != RTE_FDIR_MODE_PERFECT) {
1464                 PMD_DRV_LOG(ERR, "FDIR is not enabled, please"
1465                         " check the mode in fdir_conf.");
1466                 return -ENOTSUP;
1467         }
1468
1469         pctype = i40e_flowtype_to_pctype(pf->adapter, filter->input.flow_type);
1470         if (pctype == I40E_FILTER_PCTYPE_INVALID) {
1471                 PMD_DRV_LOG(ERR, "invalid flow_type input.");
1472                 return -EINVAL;
1473         }
1474         if (filter->action.rx_queue >= pf->dev_data->nb_rx_queues) {
1475                 PMD_DRV_LOG(ERR, "Invalid queue ID");
1476                 return -EINVAL;
1477         }
1478         if (filter->input.flow_ext.is_vf &&
1479                 filter->input.flow_ext.dst_id >= pf->vf_num) {
1480                 PMD_DRV_LOG(ERR, "Invalid VF ID");
1481                 return -EINVAL;
1482         }
1483
1484         memset(pkt, 0, I40E_FDIR_PKT_LEN);
1485
1486         ret = i40e_fdir_construct_pkt(pf, &filter->input, pkt);
1487         if (ret < 0) {
1488                 PMD_DRV_LOG(ERR, "construct packet for fdir fails.");
1489                 return ret;
1490         }
1491
1492         if (hw->mac.type == I40E_MAC_X722) {
1493                 /* get translated pctype value in fd pctype register */
1494                 pctype = (enum i40e_filter_pctype)i40e_read_rx_ctl(
1495                         hw, I40E_GLQF_FD_PCTYPES((int)pctype));
1496         }
1497
1498         ret = i40e_fdir_filter_programming(pf, pctype, filter, add);
1499         if (ret < 0) {
1500                 PMD_DRV_LOG(ERR, "fdir programming fails for PCTYPE(%u).",
1501                             pctype);
1502                 return ret;
1503         }
1504
1505         return ret;
1506 }
1507
1508 /**
1509  * i40e_flow_add_del_fdir_filter - add or remove a flow director filter.
1510  * @pf: board private structure
1511  * @filter: fdir filter entry
1512  * @add: 0 - delete, 1 - add
1513  */
1514 int
1515 i40e_flow_add_del_fdir_filter(struct rte_eth_dev *dev,
1516                               const struct i40e_fdir_filter_conf *filter,
1517                               bool add)
1518 {
1519         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1520         struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
1521         unsigned char *pkt = (unsigned char *)pf->fdir.prg_pkt;
1522         enum i40e_filter_pctype pctype;
1523         struct i40e_fdir_info *fdir_info = &pf->fdir;
1524         struct i40e_fdir_filter *fdir_filter, *node;
1525         struct i40e_fdir_filter check_filter; /* Check if the filter exists */
1526         int ret = 0;
1527
1528         if (dev->data->dev_conf.fdir_conf.mode != RTE_FDIR_MODE_PERFECT) {
1529                 PMD_DRV_LOG(ERR, "FDIR is not enabled, please check the mode in fdir_conf.");
1530                 return -ENOTSUP;
1531         }
1532
1533         if (filter->action.rx_queue >= pf->dev_data->nb_rx_queues) {
1534                 PMD_DRV_LOG(ERR, "Invalid queue ID");
1535                 return -EINVAL;
1536         }
1537         if (filter->input.flow_ext.is_vf &&
1538             filter->input.flow_ext.dst_id >= pf->vf_num) {
1539                 PMD_DRV_LOG(ERR, "Invalid VF ID");
1540                 return -EINVAL;
1541         }
1542         if (filter->input.flow_ext.pkt_template) {
1543                 if (filter->input.flow.raw_flow.length > I40E_FDIR_PKT_LEN ||
1544                     !filter->input.flow.raw_flow.packet) {
1545                         PMD_DRV_LOG(ERR, "Invalid raw packet template"
1546                                 " flow filter parameters!");
1547                         return -EINVAL;
1548                 }
1549                 pctype = filter->input.flow.raw_flow.pctype;
1550         } else {
1551                 pctype = filter->input.pctype;
1552         }
1553
1554         /* Check if there is the filter in SW list */
1555         memset(&check_filter, 0, sizeof(check_filter));
1556         i40e_fdir_filter_convert(filter, &check_filter);
1557         node = i40e_sw_fdir_filter_lookup(fdir_info, &check_filter.fdir.input);
1558         if (add && node) {
1559                 PMD_DRV_LOG(ERR,
1560                             "Conflict with existing flow director rules!");
1561                 return -EINVAL;
1562         }
1563
1564         if (!add && !node) {
1565                 PMD_DRV_LOG(ERR,
1566                             "There's no corresponding flow firector filter!");
1567                 return -EINVAL;
1568         }
1569
1570         memset(pkt, 0, I40E_FDIR_PKT_LEN);
1571
1572         ret = i40e_flow_fdir_construct_pkt(pf, &filter->input, pkt);
1573         if (ret < 0) {
1574                 PMD_DRV_LOG(ERR, "construct packet for fdir fails.");
1575                 return ret;
1576         }
1577
1578         if (hw->mac.type == I40E_MAC_X722) {
1579                 /* get translated pctype value in fd pctype register */
1580                 pctype = (enum i40e_filter_pctype)i40e_read_rx_ctl(
1581                         hw, I40E_GLQF_FD_PCTYPES((int)pctype));
1582         }
1583
1584         ret = i40e_flow_fdir_filter_programming(pf, pctype, filter, add);
1585         if (ret < 0) {
1586                 PMD_DRV_LOG(ERR, "fdir programming fails for PCTYPE(%u).",
1587                             pctype);
1588                 return ret;
1589         }
1590
1591         if (add) {
1592                 fdir_filter = rte_zmalloc("fdir_filter",
1593                                           sizeof(*fdir_filter), 0);
1594                 rte_memcpy(fdir_filter, &check_filter, sizeof(check_filter));
1595                 ret = i40e_sw_fdir_filter_insert(pf, fdir_filter);
1596         } else {
1597                 ret = i40e_sw_fdir_filter_del(pf, &node->fdir.input);
1598         }
1599
1600         return ret;
1601 }
1602
1603 /*
1604  * i40e_fdir_filter_programming - Program a flow director filter rule.
1605  * Is done by Flow Director Programming Descriptor followed by packet
1606  * structure that contains the filter fields need to match.
1607  * @pf: board private structure
1608  * @pctype: pctype
1609  * @filter: fdir filter entry
1610  * @add: 0 - delete, 1 - add
1611  */
1612 static int
1613 i40e_fdir_filter_programming(struct i40e_pf *pf,
1614                         enum i40e_filter_pctype pctype,
1615                         const struct rte_eth_fdir_filter *filter,
1616                         bool add)
1617 {
1618         struct i40e_tx_queue *txq = pf->fdir.txq;
1619         struct i40e_rx_queue *rxq = pf->fdir.rxq;
1620         const struct rte_eth_fdir_action *fdir_action = &filter->action;
1621         volatile struct i40e_tx_desc *txdp;
1622         volatile struct i40e_filter_program_desc *fdirdp;
1623         uint32_t td_cmd;
1624         uint16_t vsi_id, i;
1625         uint8_t dest;
1626
1627         PMD_DRV_LOG(INFO, "filling filter programming descriptor.");
1628         fdirdp = (volatile struct i40e_filter_program_desc *)
1629                         (&(txq->tx_ring[txq->tx_tail]));
1630
1631         fdirdp->qindex_flex_ptype_vsi =
1632                         rte_cpu_to_le_32((fdir_action->rx_queue <<
1633                                           I40E_TXD_FLTR_QW0_QINDEX_SHIFT) &
1634                                           I40E_TXD_FLTR_QW0_QINDEX_MASK);
1635
1636         fdirdp->qindex_flex_ptype_vsi |=
1637                         rte_cpu_to_le_32((fdir_action->flex_off <<
1638                                           I40E_TXD_FLTR_QW0_FLEXOFF_SHIFT) &
1639                                           I40E_TXD_FLTR_QW0_FLEXOFF_MASK);
1640
1641         fdirdp->qindex_flex_ptype_vsi |=
1642                         rte_cpu_to_le_32((pctype <<
1643                                           I40E_TXD_FLTR_QW0_PCTYPE_SHIFT) &
1644                                           I40E_TXD_FLTR_QW0_PCTYPE_MASK);
1645
1646         if (filter->input.flow_ext.is_vf)
1647                 vsi_id = pf->vfs[filter->input.flow_ext.dst_id].vsi->vsi_id;
1648         else
1649                 /* Use LAN VSI Id by default */
1650                 vsi_id = pf->main_vsi->vsi_id;
1651         fdirdp->qindex_flex_ptype_vsi |=
1652                 rte_cpu_to_le_32(((uint32_t)vsi_id <<
1653                                   I40E_TXD_FLTR_QW0_DEST_VSI_SHIFT) &
1654                                   I40E_TXD_FLTR_QW0_DEST_VSI_MASK);
1655
1656         fdirdp->dtype_cmd_cntindex =
1657                         rte_cpu_to_le_32(I40E_TX_DESC_DTYPE_FILTER_PROG);
1658
1659         if (add)
1660                 fdirdp->dtype_cmd_cntindex |= rte_cpu_to_le_32(
1661                                 I40E_FILTER_PROGRAM_DESC_PCMD_ADD_UPDATE <<
1662                                 I40E_TXD_FLTR_QW1_PCMD_SHIFT);
1663         else
1664                 fdirdp->dtype_cmd_cntindex |= rte_cpu_to_le_32(
1665                                 I40E_FILTER_PROGRAM_DESC_PCMD_REMOVE <<
1666                                 I40E_TXD_FLTR_QW1_PCMD_SHIFT);
1667
1668         if (fdir_action->behavior == RTE_ETH_FDIR_REJECT)
1669                 dest = I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET;
1670         else if (fdir_action->behavior == RTE_ETH_FDIR_ACCEPT)
1671                 dest = I40E_FILTER_PROGRAM_DESC_DEST_DIRECT_PACKET_QINDEX;
1672         else if (fdir_action->behavior == RTE_ETH_FDIR_PASSTHRU)
1673                 dest = I40E_FILTER_PROGRAM_DESC_DEST_DIRECT_PACKET_OTHER;
1674         else {
1675                 PMD_DRV_LOG(ERR, "Failed to program FDIR filter:"
1676                             " unsupported fdir behavior.");
1677                 return -EINVAL;
1678         }
1679
1680         fdirdp->dtype_cmd_cntindex |= rte_cpu_to_le_32((dest <<
1681                                 I40E_TXD_FLTR_QW1_DEST_SHIFT) &
1682                                 I40E_TXD_FLTR_QW1_DEST_MASK);
1683
1684         fdirdp->dtype_cmd_cntindex |=
1685                 rte_cpu_to_le_32((fdir_action->report_status<<
1686                                 I40E_TXD_FLTR_QW1_FD_STATUS_SHIFT) &
1687                                 I40E_TXD_FLTR_QW1_FD_STATUS_MASK);
1688
1689         fdirdp->dtype_cmd_cntindex |=
1690                         rte_cpu_to_le_32(I40E_TXD_FLTR_QW1_CNT_ENA_MASK);
1691         fdirdp->dtype_cmd_cntindex |=
1692                         rte_cpu_to_le_32(
1693                         ((uint32_t)pf->fdir.match_counter_index <<
1694                         I40E_TXD_FLTR_QW1_CNTINDEX_SHIFT) &
1695                         I40E_TXD_FLTR_QW1_CNTINDEX_MASK);
1696
1697         fdirdp->fd_id = rte_cpu_to_le_32(filter->soft_id);
1698
1699         PMD_DRV_LOG(INFO, "filling transmit descriptor.");
1700         txdp = &(txq->tx_ring[txq->tx_tail + 1]);
1701         txdp->buffer_addr = rte_cpu_to_le_64(pf->fdir.dma_addr);
1702         td_cmd = I40E_TX_DESC_CMD_EOP |
1703                  I40E_TX_DESC_CMD_RS  |
1704                  I40E_TX_DESC_CMD_DUMMY;
1705
1706         txdp->cmd_type_offset_bsz =
1707                 i40e_build_ctob(td_cmd, 0, I40E_FDIR_PKT_LEN, 0);
1708
1709         txq->tx_tail += 2; /* set 2 descriptors above, fdirdp and txdp */
1710         if (txq->tx_tail >= txq->nb_tx_desc)
1711                 txq->tx_tail = 0;
1712         /* Update the tx tail register */
1713         rte_wmb();
1714         I40E_PCI_REG_WRITE(txq->qtx_tail, txq->tx_tail);
1715         for (i = 0; i < I40E_FDIR_MAX_WAIT_US; i++) {
1716                 if ((txdp->cmd_type_offset_bsz &
1717                                 rte_cpu_to_le_64(I40E_TXD_QW1_DTYPE_MASK)) ==
1718                                 rte_cpu_to_le_64(I40E_TX_DESC_DTYPE_DESC_DONE))
1719                         break;
1720                 rte_delay_us(1);
1721         }
1722         if (i >= I40E_FDIR_MAX_WAIT_US) {
1723                 PMD_DRV_LOG(ERR, "Failed to program FDIR filter:"
1724                             " time out to get DD on tx queue.");
1725                 return -ETIMEDOUT;
1726         }
1727         /* totally delay 10 ms to check programming status*/
1728         for (; i < I40E_FDIR_MAX_WAIT_US; i++) {
1729                 if (i40e_check_fdir_programming_status(rxq) >= 0)
1730                         return 0;
1731                 rte_delay_us(1);
1732         }
1733         PMD_DRV_LOG(ERR,
1734                 "Failed to program FDIR filter: programming status reported.");
1735         return -ETIMEDOUT;
1736 }
1737
1738 /*
1739  * i40e_flow_fdir_filter_programming - Program a flow director filter rule.
1740  * Is done by Flow Director Programming Descriptor followed by packet
1741  * structure that contains the filter fields need to match.
1742  * @pf: board private structure
1743  * @pctype: pctype
1744  * @filter: fdir filter entry
1745  * @add: 0 - delete, 1 - add
1746  */
1747 static int
1748 i40e_flow_fdir_filter_programming(struct i40e_pf *pf,
1749                                   enum i40e_filter_pctype pctype,
1750                                   const struct i40e_fdir_filter_conf *filter,
1751                                   bool add)
1752 {
1753         struct i40e_tx_queue *txq = pf->fdir.txq;
1754         struct i40e_rx_queue *rxq = pf->fdir.rxq;
1755         const struct i40e_fdir_action *fdir_action = &filter->action;
1756         volatile struct i40e_tx_desc *txdp;
1757         volatile struct i40e_filter_program_desc *fdirdp;
1758         uint32_t td_cmd;
1759         uint16_t vsi_id, i;
1760         uint8_t dest;
1761
1762         PMD_DRV_LOG(INFO, "filling filter programming descriptor.");
1763         fdirdp = (volatile struct i40e_filter_program_desc *)
1764                                 (&txq->tx_ring[txq->tx_tail]);
1765
1766         fdirdp->qindex_flex_ptype_vsi =
1767                         rte_cpu_to_le_32((fdir_action->rx_queue <<
1768                                           I40E_TXD_FLTR_QW0_QINDEX_SHIFT) &
1769                                           I40E_TXD_FLTR_QW0_QINDEX_MASK);
1770
1771         fdirdp->qindex_flex_ptype_vsi |=
1772                         rte_cpu_to_le_32((fdir_action->flex_off <<
1773                                           I40E_TXD_FLTR_QW0_FLEXOFF_SHIFT) &
1774                                           I40E_TXD_FLTR_QW0_FLEXOFF_MASK);
1775
1776         fdirdp->qindex_flex_ptype_vsi |=
1777                         rte_cpu_to_le_32((pctype <<
1778                                           I40E_TXD_FLTR_QW0_PCTYPE_SHIFT) &
1779                                           I40E_TXD_FLTR_QW0_PCTYPE_MASK);
1780
1781         if (filter->input.flow_ext.is_vf)
1782                 vsi_id = pf->vfs[filter->input.flow_ext.dst_id].vsi->vsi_id;
1783         else
1784                 /* Use LAN VSI Id by default */
1785                 vsi_id = pf->main_vsi->vsi_id;
1786         fdirdp->qindex_flex_ptype_vsi |=
1787                 rte_cpu_to_le_32(((uint32_t)vsi_id <<
1788                                   I40E_TXD_FLTR_QW0_DEST_VSI_SHIFT) &
1789                                   I40E_TXD_FLTR_QW0_DEST_VSI_MASK);
1790
1791         fdirdp->dtype_cmd_cntindex =
1792                         rte_cpu_to_le_32(I40E_TX_DESC_DTYPE_FILTER_PROG);
1793
1794         if (add)
1795                 fdirdp->dtype_cmd_cntindex |= rte_cpu_to_le_32(
1796                                 I40E_FILTER_PROGRAM_DESC_PCMD_ADD_UPDATE <<
1797                                 I40E_TXD_FLTR_QW1_PCMD_SHIFT);
1798         else
1799                 fdirdp->dtype_cmd_cntindex |= rte_cpu_to_le_32(
1800                                 I40E_FILTER_PROGRAM_DESC_PCMD_REMOVE <<
1801                                 I40E_TXD_FLTR_QW1_PCMD_SHIFT);
1802
1803         if (fdir_action->behavior == I40E_FDIR_REJECT)
1804                 dest = I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET;
1805         else if (fdir_action->behavior == I40E_FDIR_ACCEPT)
1806                 dest = I40E_FILTER_PROGRAM_DESC_DEST_DIRECT_PACKET_QINDEX;
1807         else if (fdir_action->behavior == I40E_FDIR_PASSTHRU)
1808                 dest = I40E_FILTER_PROGRAM_DESC_DEST_DIRECT_PACKET_OTHER;
1809         else {
1810                 PMD_DRV_LOG(ERR, "Failed to program FDIR filter: unsupported fdir behavior.");
1811                 return -EINVAL;
1812         }
1813
1814         fdirdp->dtype_cmd_cntindex |= rte_cpu_to_le_32((dest <<
1815                                 I40E_TXD_FLTR_QW1_DEST_SHIFT) &
1816                                 I40E_TXD_FLTR_QW1_DEST_MASK);
1817
1818         fdirdp->dtype_cmd_cntindex |=
1819                 rte_cpu_to_le_32((fdir_action->report_status <<
1820                                 I40E_TXD_FLTR_QW1_FD_STATUS_SHIFT) &
1821                                 I40E_TXD_FLTR_QW1_FD_STATUS_MASK);
1822
1823         fdirdp->dtype_cmd_cntindex |=
1824                         rte_cpu_to_le_32(I40E_TXD_FLTR_QW1_CNT_ENA_MASK);
1825         fdirdp->dtype_cmd_cntindex |=
1826                         rte_cpu_to_le_32(
1827                         ((uint32_t)pf->fdir.match_counter_index <<
1828                         I40E_TXD_FLTR_QW1_CNTINDEX_SHIFT) &
1829                         I40E_TXD_FLTR_QW1_CNTINDEX_MASK);
1830
1831         fdirdp->fd_id = rte_cpu_to_le_32(filter->soft_id);
1832
1833         PMD_DRV_LOG(INFO, "filling transmit descriptor.");
1834         txdp = &txq->tx_ring[txq->tx_tail + 1];
1835         txdp->buffer_addr = rte_cpu_to_le_64(pf->fdir.dma_addr);
1836         td_cmd = I40E_TX_DESC_CMD_EOP |
1837                  I40E_TX_DESC_CMD_RS  |
1838                  I40E_TX_DESC_CMD_DUMMY;
1839
1840         txdp->cmd_type_offset_bsz =
1841                 i40e_build_ctob(td_cmd, 0, I40E_FDIR_PKT_LEN, 0);
1842
1843         txq->tx_tail += 2; /* set 2 descriptors above, fdirdp and txdp */
1844         if (txq->tx_tail >= txq->nb_tx_desc)
1845                 txq->tx_tail = 0;
1846         /* Update the tx tail register */
1847         rte_wmb();
1848         I40E_PCI_REG_WRITE(txq->qtx_tail, txq->tx_tail);
1849         for (i = 0; i < I40E_FDIR_MAX_WAIT_US; i++) {
1850                 if ((txdp->cmd_type_offset_bsz &
1851                                 rte_cpu_to_le_64(I40E_TXD_QW1_DTYPE_MASK)) ==
1852                                 rte_cpu_to_le_64(I40E_TX_DESC_DTYPE_DESC_DONE))
1853                         break;
1854                 rte_delay_us(1);
1855         }
1856         if (i >= I40E_FDIR_MAX_WAIT_US) {
1857                 PMD_DRV_LOG(ERR,
1858                     "Failed to program FDIR filter: time out to get DD on tx queue.");
1859                 return -ETIMEDOUT;
1860         }
1861         /* totally delay 10 ms to check programming status*/
1862         rte_delay_us(I40E_FDIR_MAX_WAIT_US);
1863         if (i40e_check_fdir_programming_status(rxq) < 0) {
1864                 PMD_DRV_LOG(ERR,
1865                     "Failed to program FDIR filter: programming status reported.");
1866                 return -ETIMEDOUT;
1867         }
1868
1869         return 0;
1870 }
1871
1872 /*
1873  * i40e_fdir_flush - clear all filters of Flow Director table
1874  * @pf: board private structure
1875  */
1876 int
1877 i40e_fdir_flush(struct rte_eth_dev *dev)
1878 {
1879         struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
1880         struct i40e_hw *hw = I40E_PF_TO_HW(pf);
1881         uint32_t reg;
1882         uint16_t guarant_cnt, best_cnt;
1883         uint16_t i;
1884
1885         I40E_WRITE_REG(hw, I40E_PFQF_CTL_1, I40E_PFQF_CTL_1_CLEARFDTABLE_MASK);
1886         I40E_WRITE_FLUSH(hw);
1887
1888         for (i = 0; i < I40E_FDIR_FLUSH_RETRY; i++) {
1889                 rte_delay_ms(I40E_FDIR_FLUSH_INTERVAL_MS);
1890                 reg = I40E_READ_REG(hw, I40E_PFQF_CTL_1);
1891                 if (!(reg & I40E_PFQF_CTL_1_CLEARFDTABLE_MASK))
1892                         break;
1893         }
1894         if (i >= I40E_FDIR_FLUSH_RETRY) {
1895                 PMD_DRV_LOG(ERR, "FD table did not flush, may need more time.");
1896                 return -ETIMEDOUT;
1897         }
1898         guarant_cnt = (uint16_t)((I40E_READ_REG(hw, I40E_PFQF_FDSTAT) &
1899                                 I40E_PFQF_FDSTAT_GUARANT_CNT_MASK) >>
1900                                 I40E_PFQF_FDSTAT_GUARANT_CNT_SHIFT);
1901         best_cnt = (uint16_t)((I40E_READ_REG(hw, I40E_PFQF_FDSTAT) &
1902                                 I40E_PFQF_FDSTAT_BEST_CNT_MASK) >>
1903                                 I40E_PFQF_FDSTAT_BEST_CNT_SHIFT);
1904         if (guarant_cnt != 0 || best_cnt != 0) {
1905                 PMD_DRV_LOG(ERR, "Failed to flush FD table.");
1906                 return -ENOSYS;
1907         } else
1908                 PMD_DRV_LOG(INFO, "FD table Flush success.");
1909         return 0;
1910 }
1911
1912 static inline void
1913 i40e_fdir_info_get_flex_set(struct i40e_pf *pf,
1914                         struct rte_eth_flex_payload_cfg *flex_set,
1915                         uint16_t *num)
1916 {
1917         struct i40e_fdir_flex_pit *flex_pit;
1918         struct rte_eth_flex_payload_cfg *ptr = flex_set;
1919         uint16_t src, dst, size, j, k;
1920         uint8_t i, layer_idx;
1921
1922         for (layer_idx = I40E_FLXPLD_L2_IDX;
1923              layer_idx <= I40E_FLXPLD_L4_IDX;
1924              layer_idx++) {
1925                 if (layer_idx == I40E_FLXPLD_L2_IDX)
1926                         ptr->type = RTE_ETH_L2_PAYLOAD;
1927                 else if (layer_idx == I40E_FLXPLD_L3_IDX)
1928                         ptr->type = RTE_ETH_L3_PAYLOAD;
1929                 else if (layer_idx == I40E_FLXPLD_L4_IDX)
1930                         ptr->type = RTE_ETH_L4_PAYLOAD;
1931
1932                 for (i = 0; i < I40E_MAX_FLXPLD_FIED; i++) {
1933                         flex_pit = &pf->fdir.flex_set[layer_idx *
1934                                 I40E_MAX_FLXPLD_FIED + i];
1935                         if (flex_pit->size == 0)
1936                                 continue;
1937                         src = flex_pit->src_offset * sizeof(uint16_t);
1938                         dst = flex_pit->dst_offset * sizeof(uint16_t);
1939                         size = flex_pit->size * sizeof(uint16_t);
1940                         for (j = src, k = dst; j < src + size; j++, k++)
1941                                 ptr->src_offset[k] = j;
1942                 }
1943                 (*num)++;
1944                 ptr++;
1945         }
1946 }
1947
1948 static inline void
1949 i40e_fdir_info_get_flex_mask(struct i40e_pf *pf,
1950                         struct rte_eth_fdir_flex_mask *flex_mask,
1951                         uint16_t *num)
1952 {
1953         struct i40e_fdir_flex_mask *mask;
1954         struct rte_eth_fdir_flex_mask *ptr = flex_mask;
1955         uint16_t flow_type;
1956         uint8_t i, j;
1957         uint16_t off_bytes, mask_tmp;
1958
1959         for (i = I40E_FILTER_PCTYPE_NONF_IPV4_UDP;
1960              i <= I40E_FILTER_PCTYPE_L2_PAYLOAD;
1961              i++) {
1962                 mask =  &pf->fdir.flex_mask[i];
1963                 flow_type = i40e_pctype_to_flowtype(pf->adapter,
1964                                                     (enum i40e_filter_pctype)i);
1965                 if (flow_type == RTE_ETH_FLOW_UNKNOWN)
1966                         continue;
1967
1968                 for (j = 0; j < I40E_FDIR_MAX_FLEXWORD_NUM; j++) {
1969                         if (mask->word_mask & I40E_FLEX_WORD_MASK(j)) {
1970                                 ptr->mask[j * sizeof(uint16_t)] = UINT8_MAX;
1971                                 ptr->mask[j * sizeof(uint16_t) + 1] = UINT8_MAX;
1972                         } else {
1973                                 ptr->mask[j * sizeof(uint16_t)] = 0x0;
1974                                 ptr->mask[j * sizeof(uint16_t) + 1] = 0x0;
1975                         }
1976                 }
1977                 for (j = 0; j < I40E_FDIR_BITMASK_NUM_WORD; j++) {
1978                         off_bytes = mask->bitmask[j].offset * sizeof(uint16_t);
1979                         mask_tmp = ~mask->bitmask[j].mask;
1980                         ptr->mask[off_bytes] &= I40E_HI_BYTE(mask_tmp);
1981                         ptr->mask[off_bytes + 1] &= I40E_LO_BYTE(mask_tmp);
1982                 }
1983                 ptr->flow_type = flow_type;
1984                 ptr++;
1985                 (*num)++;
1986         }
1987 }
1988
1989 /*
1990  * i40e_fdir_info_get - get information of Flow Director
1991  * @pf: ethernet device to get info from
1992  * @fdir: a pointer to a structure of type *rte_eth_fdir_info* to be filled with
1993  *    the flow director information.
1994  */
1995 static void
1996 i40e_fdir_info_get(struct rte_eth_dev *dev, struct rte_eth_fdir_info *fdir)
1997 {
1998         struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
1999         struct i40e_hw *hw = I40E_PF_TO_HW(pf);
2000         uint16_t num_flex_set = 0;
2001         uint16_t num_flex_mask = 0;
2002         uint16_t i;
2003
2004         if (dev->data->dev_conf.fdir_conf.mode == RTE_FDIR_MODE_PERFECT)
2005                 fdir->mode = RTE_FDIR_MODE_PERFECT;
2006         else
2007                 fdir->mode = RTE_FDIR_MODE_NONE;
2008
2009         fdir->guarant_spc =
2010                 (uint32_t)hw->func_caps.fd_filters_guaranteed;
2011         fdir->best_spc =
2012                 (uint32_t)hw->func_caps.fd_filters_best_effort;
2013         fdir->max_flexpayload = I40E_FDIR_MAX_FLEX_LEN;
2014         fdir->flow_types_mask[0] = I40E_FDIR_FLOWS;
2015         for (i = 1; i < RTE_FLOW_MASK_ARRAY_SIZE; i++)
2016                 fdir->flow_types_mask[i] = 0ULL;
2017         fdir->flex_payload_unit = sizeof(uint16_t);
2018         fdir->flex_bitmask_unit = sizeof(uint16_t);
2019         fdir->max_flex_payload_segment_num = I40E_MAX_FLXPLD_FIED;
2020         fdir->flex_payload_limit = I40E_MAX_FLX_SOURCE_OFF;
2021         fdir->max_flex_bitmask_num = I40E_FDIR_BITMASK_NUM_WORD;
2022
2023         i40e_fdir_info_get_flex_set(pf,
2024                                 fdir->flex_conf.flex_set,
2025                                 &num_flex_set);
2026         i40e_fdir_info_get_flex_mask(pf,
2027                                 fdir->flex_conf.flex_mask,
2028                                 &num_flex_mask);
2029
2030         fdir->flex_conf.nb_payloads = num_flex_set;
2031         fdir->flex_conf.nb_flexmasks = num_flex_mask;
2032 }
2033
2034 /*
2035  * i40e_fdir_stat_get - get statistics of Flow Director
2036  * @pf: ethernet device to get info from
2037  * @stat: a pointer to a structure of type *rte_eth_fdir_stats* to be filled with
2038  *    the flow director statistics.
2039  */
2040 static void
2041 i40e_fdir_stats_get(struct rte_eth_dev *dev, struct rte_eth_fdir_stats *stat)
2042 {
2043         struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
2044         struct i40e_hw *hw = I40E_PF_TO_HW(pf);
2045         uint32_t fdstat;
2046
2047         fdstat = I40E_READ_REG(hw, I40E_PFQF_FDSTAT);
2048         stat->guarant_cnt =
2049                 (uint32_t)((fdstat & I40E_PFQF_FDSTAT_GUARANT_CNT_MASK) >>
2050                             I40E_PFQF_FDSTAT_GUARANT_CNT_SHIFT);
2051         stat->best_cnt =
2052                 (uint32_t)((fdstat & I40E_PFQF_FDSTAT_BEST_CNT_MASK) >>
2053                             I40E_PFQF_FDSTAT_BEST_CNT_SHIFT);
2054 }
2055
2056 static int
2057 i40e_fdir_filter_set(struct rte_eth_dev *dev,
2058                      struct rte_eth_fdir_filter_info *info)
2059 {
2060         struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
2061         int ret = 0;
2062
2063         if (!info) {
2064                 PMD_DRV_LOG(ERR, "Invalid pointer");
2065                 return -EFAULT;
2066         }
2067
2068         switch (info->info_type) {
2069         case RTE_ETH_FDIR_FILTER_INPUT_SET_SELECT:
2070                 ret = i40e_fdir_filter_inset_select(pf,
2071                                 &(info->info.input_set_conf));
2072                 break;
2073         default:
2074                 PMD_DRV_LOG(ERR, "FD filter info type (%d) not supported",
2075                             info->info_type);
2076                 return -EINVAL;
2077         }
2078
2079         return ret;
2080 }
2081
2082 /*
2083  * i40e_fdir_ctrl_func - deal with all operations on flow director.
2084  * @pf: board private structure
2085  * @filter_op:operation will be taken.
2086  * @arg: a pointer to specific structure corresponding to the filter_op
2087  */
2088 int
2089 i40e_fdir_ctrl_func(struct rte_eth_dev *dev,
2090                        enum rte_filter_op filter_op,
2091                        void *arg)
2092 {
2093         struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
2094         int ret = 0;
2095
2096         if ((pf->flags & I40E_FLAG_FDIR) == 0)
2097                 return -ENOTSUP;
2098
2099         if (filter_op == RTE_ETH_FILTER_NOP)
2100                 return 0;
2101
2102         if (arg == NULL && filter_op != RTE_ETH_FILTER_FLUSH)
2103                 return -EINVAL;
2104
2105         switch (filter_op) {
2106         case RTE_ETH_FILTER_ADD:
2107                 ret = i40e_add_del_fdir_filter(dev,
2108                         (struct rte_eth_fdir_filter *)arg,
2109                         TRUE);
2110                 break;
2111         case RTE_ETH_FILTER_DELETE:
2112                 ret = i40e_add_del_fdir_filter(dev,
2113                         (struct rte_eth_fdir_filter *)arg,
2114                         FALSE);
2115                 break;
2116         case RTE_ETH_FILTER_FLUSH:
2117                 ret = i40e_fdir_flush(dev);
2118                 break;
2119         case RTE_ETH_FILTER_INFO:
2120                 i40e_fdir_info_get(dev, (struct rte_eth_fdir_info *)arg);
2121                 break;
2122         case RTE_ETH_FILTER_SET:
2123                 ret = i40e_fdir_filter_set(dev,
2124                         (struct rte_eth_fdir_filter_info *)arg);
2125                 break;
2126         case RTE_ETH_FILTER_STATS:
2127                 i40e_fdir_stats_get(dev, (struct rte_eth_fdir_stats *)arg);
2128                 break;
2129         default:
2130                 PMD_DRV_LOG(ERR, "unknown operation %u.", filter_op);
2131                 ret = -EINVAL;
2132                 break;
2133         }
2134         return ret;
2135 }
2136
2137 /* Restore flow director filter */
2138 void
2139 i40e_fdir_filter_restore(struct i40e_pf *pf)
2140 {
2141         struct rte_eth_dev *dev = I40E_VSI_TO_ETH_DEV(pf->main_vsi);
2142         struct i40e_fdir_filter_list *fdir_list = &pf->fdir.fdir_list;
2143         struct i40e_fdir_filter *f;
2144         struct i40e_hw *hw = I40E_PF_TO_HW(pf);
2145         uint32_t fdstat;
2146         uint32_t guarant_cnt;  /**< Number of filters in guaranteed spaces. */
2147         uint32_t best_cnt;     /**< Number of filters in best effort spaces. */
2148
2149         TAILQ_FOREACH(f, fdir_list, rules)
2150                 i40e_flow_add_del_fdir_filter(dev, &f->fdir, TRUE);
2151
2152         fdstat = I40E_READ_REG(hw, I40E_PFQF_FDSTAT);
2153         guarant_cnt =
2154                 (uint32_t)((fdstat & I40E_PFQF_FDSTAT_GUARANT_CNT_MASK) >>
2155                            I40E_PFQF_FDSTAT_GUARANT_CNT_SHIFT);
2156         best_cnt =
2157                 (uint32_t)((fdstat & I40E_PFQF_FDSTAT_BEST_CNT_MASK) >>
2158                            I40E_PFQF_FDSTAT_BEST_CNT_SHIFT);
2159
2160         PMD_DRV_LOG(INFO, "FDIR: Guarant count: %d,  Best count: %d",
2161                     guarant_cnt, best_cnt);
2162 }