drivers/net/cnxk/cn9k_tx.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(C) 2021 Marvell.
   3  */
   4 #ifndef __CN9K_TX_H__
   5 #define __CN9K_TX_H__
   6
   7 #include <rte_vect.h>
   8
   9 #define NIX_TX_OFFLOAD_NONE           (0)
  10 #define NIX_TX_OFFLOAD_L3_L4_CSUM_F   BIT(0)
  11 #define NIX_TX_OFFLOAD_OL3_OL4_CSUM_F BIT(1)
  12 #define NIX_TX_OFFLOAD_VLAN_QINQ_F    BIT(2)
  13 #define NIX_TX_OFFLOAD_MBUF_NOFF_F    BIT(3)
  14 #define NIX_TX_OFFLOAD_TSO_F          BIT(4)
  15 #define NIX_TX_OFFLOAD_TSTAMP_F       BIT(5)
  16 #define NIX_TX_OFFLOAD_SECURITY_F     BIT(6)
  17
  18 /* Flags to control xmit_prepare function.
  19  * Defining it from backwards to denote its been
  20  * not used as offload flags to pick function
  21  */
  22 #define NIX_TX_MULTI_SEG_F BIT(15)
  23
  24 #define NIX_TX_NEED_SEND_HDR_W1                                                \
  25         (NIX_TX_OFFLOAD_L3_L4_CSUM_F | NIX_TX_OFFLOAD_OL3_OL4_CSUM_F |         \
  26          NIX_TX_OFFLOAD_VLAN_QINQ_F | NIX_TX_OFFLOAD_TSO_F)
  27
  28 #define NIX_TX_NEED_EXT_HDR                                                    \
  29         (NIX_TX_OFFLOAD_VLAN_QINQ_F | NIX_TX_OFFLOAD_TSTAMP_F |                \
  30          NIX_TX_OFFLOAD_TSO_F)
  31
  32 #define NIX_XMIT_FC_OR_RETURN(txq, pkts)                                       \
  33         do {                                                                   \
  34                 /* Cached value is low, Update the fc_cache_pkts */            \
  35                 if (unlikely((txq)->fc_cache_pkts < (pkts))) {                 \
  36                         /* Multiply with sqe_per_sqb to express in pkts */     \
  37                         (txq)->fc_cache_pkts =                                 \
  38                                 ((txq)->nb_sqb_bufs_adj - *(txq)->fc_mem)      \
  39                                 << (txq)->sqes_per_sqb_log2;                   \
  40                         /* Check it again for the room */                      \
  41                         if (unlikely((txq)->fc_cache_pkts < (pkts)))           \
  42                                 return 0;                                      \
  43                 }                                                              \
  44         } while (0)
  45
  46 /* Function to determine no of tx subdesc required in case ext
  47  * sub desc is enabled.
  48  */
  49 static __rte_always_inline int
  50 cn9k_nix_tx_ext_subs(const uint16_t flags)
  51 {
  52         return (flags & NIX_TX_OFFLOAD_TSTAMP_F)
  53                        ? 2
  54                        : ((flags &
  55                            (NIX_TX_OFFLOAD_VLAN_QINQ_F | NIX_TX_OFFLOAD_TSO_F))
  56                                   ? 1
  57                                   : 0);
  58 }
  59
  60 static __rte_always_inline void
  61 cn9k_nix_xmit_prepare_tso(struct rte_mbuf *m, const uint64_t flags)
  62 {
  63         uint64_t mask, ol_flags = m->ol_flags;
  64
  65         if (flags & NIX_TX_OFFLOAD_TSO_F && (ol_flags & RTE_MBUF_F_TX_TCP_SEG)) {
  66                 uintptr_t mdata = rte_pktmbuf_mtod(m, uintptr_t);
  67                 uint16_t *iplen, *oiplen, *oudplen;
  68                 uint16_t lso_sb, paylen;
  69
  70                 mask = -!!(ol_flags & (RTE_MBUF_F_TX_OUTER_IPV4 | RTE_MBUF_F_TX_OUTER_IPV6));
  71                 lso_sb = (mask & (m->outer_l2_len + m->outer_l3_len)) +
  72                          m->l2_len + m->l3_len + m->l4_len;
  73
  74                 /* Reduce payload len from base headers */
  75                 paylen = m->pkt_len - lso_sb;
  76
  77                 /* Get iplen position assuming no tunnel hdr */
  78                 iplen = (uint16_t *)(mdata + m->l2_len +
  79                                      (2 << !!(ol_flags & RTE_MBUF_F_TX_IPV6)));
  80                 /* Handle tunnel tso */
  81                 if ((flags & NIX_TX_OFFLOAD_OL3_OL4_CSUM_F) &&
  82                     (ol_flags & RTE_MBUF_F_TX_TUNNEL_MASK)) {
  83                         const uint8_t is_udp_tun =
  84                                 (CNXK_NIX_UDP_TUN_BITMASK >>
  85                                  ((ol_flags & RTE_MBUF_F_TX_TUNNEL_MASK) >> 45)) &
  86                                 0x1;
  87
  88                         oiplen = (uint16_t *)(mdata + m->outer_l2_len +
  89                                               (2 << !!(ol_flags &
  90                                                        RTE_MBUF_F_TX_OUTER_IPV6)));
  91                         *oiplen = rte_cpu_to_be_16(rte_be_to_cpu_16(*oiplen) -
  92                                                    paylen);
  93
  94                         /* Update format for UDP tunneled packet */
  95                         if (is_udp_tun) {
  96                                 oudplen = (uint16_t *)(mdata + m->outer_l2_len +
  97                                                        m->outer_l3_len + 4);
  98                                 *oudplen = rte_cpu_to_be_16(
  99                                         rte_be_to_cpu_16(*oudplen) - paylen);
 100                         }
 101
 102                         /* Update iplen position to inner ip hdr */
 103                         iplen = (uint16_t *)(mdata + lso_sb - m->l3_len -
 104                                              m->l4_len +
 105                                              (2 << !!(ol_flags & RTE_MBUF_F_TX_IPV6)));
 106                 }
 107
 108                 *iplen = rte_cpu_to_be_16(rte_be_to_cpu_16(*iplen) - paylen);
 109         }
 110 }
 111
 112 static __rte_always_inline void
 113 cn9k_nix_xmit_prepare(struct rte_mbuf *m, uint64_t *cmd, const uint16_t flags,
 114                       const uint64_t lso_tun_fmt)
 115 {
 116         struct nix_send_ext_s *send_hdr_ext;
 117         struct nix_send_hdr_s *send_hdr;
 118         uint64_t ol_flags = 0, mask;
 119         union nix_send_hdr_w1_u w1;
 120         union nix_send_sg_s *sg;
 121
 122         send_hdr = (struct nix_send_hdr_s *)cmd;
 123         if (flags & NIX_TX_NEED_EXT_HDR) {
 124                 send_hdr_ext = (struct nix_send_ext_s *)(cmd + 2);
 125                 sg = (union nix_send_sg_s *)(cmd + 4);
 126                 /* Clear previous markings */
 127                 send_hdr_ext->w0.lso = 0;
 128                 send_hdr_ext->w1.u = 0;
 129         } else {
 130                 sg = (union nix_send_sg_s *)(cmd + 2);
 131         }
 132
 133         if (flags & NIX_TX_NEED_SEND_HDR_W1) {
 134                 ol_flags = m->ol_flags;
 135                 w1.u = 0;
 136         }
 137
 138         if (!(flags & NIX_TX_MULTI_SEG_F)) {
 139                 send_hdr->w0.total = m->data_len;
 140                 send_hdr->w0.aura =
 141                         roc_npa_aura_handle_to_aura(m->pool->pool_id);
 142         }
 143
 144         /*
 145          * L3type:  2 => IPV4
 146          *          3 => IPV4 with csum
 147          *          4 => IPV6
 148          * L3type and L3ptr needs to be set for either
 149          * L3 csum or L4 csum or LSO
 150          *
 151          */
 152
 153         if ((flags & NIX_TX_OFFLOAD_OL3_OL4_CSUM_F) &&
 154             (flags & NIX_TX_OFFLOAD_L3_L4_CSUM_F)) {
 155                 const uint8_t csum = !!(ol_flags & RTE_MBUF_F_TX_OUTER_UDP_CKSUM);
 156                 const uint8_t ol3type =
 157                         ((!!(ol_flags & RTE_MBUF_F_TX_OUTER_IPV4)) << 1) +
 158                         ((!!(ol_flags & RTE_MBUF_F_TX_OUTER_IPV6)) << 2) +
 159                         !!(ol_flags & RTE_MBUF_F_TX_OUTER_IP_CKSUM);
 160
 161                 /* Outer L3 */
 162                 w1.ol3type = ol3type;
 163                 mask = 0xffffull << ((!!ol3type) << 4);
 164                 w1.ol3ptr = ~mask & m->outer_l2_len;
 165                 w1.ol4ptr = ~mask & (w1.ol3ptr + m->outer_l3_len);
 166
 167                 /* Outer L4 */
 168                 w1.ol4type = csum + (csum << 1);
 169
 170                 /* Inner L3 */
 171                 w1.il3type = ((!!(ol_flags & RTE_MBUF_F_TX_IPV4)) << 1) +
 172                              ((!!(ol_flags & RTE_MBUF_F_TX_IPV6)) << 2);
 173                 w1.il3ptr = w1.ol4ptr + m->l2_len;
 174                 w1.il4ptr = w1.il3ptr + m->l3_len;
 175                 /* Increment it by 1 if it is IPV4 as 3 is with csum */
 176                 w1.il3type = w1.il3type + !!(ol_flags & RTE_MBUF_F_TX_IP_CKSUM);
 177
 178                 /* Inner L4 */
 179                 w1.il4type = (ol_flags & RTE_MBUF_F_TX_L4_MASK) >> 52;
 180
 181                 /* In case of no tunnel header use only
 182                  * shift IL3/IL4 fields a bit to use
 183                  * OL3/OL4 for header checksum
 184                  */
 185                 mask = !ol3type;
 186                 w1.u = ((w1.u & 0xFFFFFFFF00000000) >> (mask << 3)) |
 187                        ((w1.u & 0X00000000FFFFFFFF) >> (mask << 4));
 188
 189         } else if (flags & NIX_TX_OFFLOAD_OL3_OL4_CSUM_F) {
 190                 const uint8_t csum = !!(ol_flags & RTE_MBUF_F_TX_OUTER_UDP_CKSUM);
 191                 const uint8_t outer_l2_len = m->outer_l2_len;
 192
 193                 /* Outer L3 */
 194                 w1.ol3ptr = outer_l2_len;
 195                 w1.ol4ptr = outer_l2_len + m->outer_l3_len;
 196                 /* Increment it by 1 if it is IPV4 as 3 is with csum */
 197                 w1.ol3type = ((!!(ol_flags & RTE_MBUF_F_TX_OUTER_IPV4)) << 1) +
 198                              ((!!(ol_flags & RTE_MBUF_F_TX_OUTER_IPV6)) << 2) +
 199                              !!(ol_flags & RTE_MBUF_F_TX_OUTER_IP_CKSUM);
 200
 201                 /* Outer L4 */
 202                 w1.ol4type = csum + (csum << 1);
 203
 204         } else if (flags & NIX_TX_OFFLOAD_L3_L4_CSUM_F) {
 205                 const uint8_t l2_len = m->l2_len;
 206
 207                 /* Always use OLXPTR and OLXTYPE when only
 208                  * when one header is present
 209                  */
 210
 211                 /* Inner L3 */
 212                 w1.ol3ptr = l2_len;
 213                 w1.ol4ptr = l2_len + m->l3_len;
 214                 /* Increment it by 1 if it is IPV4 as 3 is with csum */
 215                 w1.ol3type = ((!!(ol_flags & RTE_MBUF_F_TX_IPV4)) << 1) +
 216                              ((!!(ol_flags & RTE_MBUF_F_TX_IPV6)) << 2) +
 217                              !!(ol_flags & RTE_MBUF_F_TX_IP_CKSUM);
 218
 219                 /* Inner L4 */
 220                 w1.ol4type = (ol_flags & RTE_MBUF_F_TX_L4_MASK) >> 52;
 221         }
 222
 223         if (flags & NIX_TX_NEED_EXT_HDR && flags & NIX_TX_OFFLOAD_VLAN_QINQ_F) {
 224                 send_hdr_ext->w1.vlan1_ins_ena = !!(ol_flags & RTE_MBUF_F_TX_VLAN);
 225                 /* HW will update ptr after vlan0 update */
 226                 send_hdr_ext->w1.vlan1_ins_ptr = 12;
 227                 send_hdr_ext->w1.vlan1_ins_tci = m->vlan_tci;
 228
 229                 send_hdr_ext->w1.vlan0_ins_ena = !!(ol_flags & RTE_MBUF_F_TX_QINQ);
 230                 /* 2B before end of l2 header */
 231                 send_hdr_ext->w1.vlan0_ins_ptr = 12;
 232                 send_hdr_ext->w1.vlan0_ins_tci = m->vlan_tci_outer;
 233         }
 234
 235         if (flags & NIX_TX_OFFLOAD_TSO_F && (ol_flags & RTE_MBUF_F_TX_TCP_SEG)) {
 236                 uint16_t lso_sb;
 237                 uint64_t mask;
 238
 239                 mask = -(!w1.il3type);
 240                 lso_sb = (mask & w1.ol4ptr) + (~mask & w1.il4ptr) + m->l4_len;
 241
 242                 send_hdr_ext->w0.lso_sb = lso_sb;
 243                 send_hdr_ext->w0.lso = 1;
 244                 send_hdr_ext->w0.lso_mps = m->tso_segsz;
 245                 send_hdr_ext->w0.lso_format =
 246                         NIX_LSO_FORMAT_IDX_TSOV4 + !!(ol_flags & RTE_MBUF_F_TX_IPV6);
 247                 w1.ol4type = NIX_SENDL4TYPE_TCP_CKSUM;
 248
 249                 /* Handle tunnel tso */
 250                 if ((flags & NIX_TX_OFFLOAD_OL3_OL4_CSUM_F) &&
 251                     (ol_flags & RTE_MBUF_F_TX_TUNNEL_MASK)) {
 252                         const uint8_t is_udp_tun =
 253                                 (CNXK_NIX_UDP_TUN_BITMASK >>
 254                                  ((ol_flags & RTE_MBUF_F_TX_TUNNEL_MASK) >> 45)) &
 255                                 0x1;
 256                         uint8_t shift = is_udp_tun ? 32 : 0;
 257
 258                         shift += (!!(ol_flags & RTE_MBUF_F_TX_OUTER_IPV6) << 4);
 259                         shift += (!!(ol_flags & RTE_MBUF_F_TX_IPV6) << 3);
 260
 261                         w1.il4type = NIX_SENDL4TYPE_TCP_CKSUM;
 262                         w1.ol4type = is_udp_tun ? NIX_SENDL4TYPE_UDP_CKSUM : 0;
 263                         /* Update format for UDP tunneled packet */
 264                         send_hdr_ext->w0.lso_format = (lso_tun_fmt >> shift);
 265                 }
 266         }
 267
 268         if (flags & NIX_TX_NEED_SEND_HDR_W1)
 269                 send_hdr->w1.u = w1.u;
 270
 271         if (!(flags & NIX_TX_MULTI_SEG_F)) {
 272                 sg->seg1_size = m->data_len;
 273                 *(rte_iova_t *)(++sg) = rte_mbuf_data_iova(m);
 274
 275                 if (flags & NIX_TX_OFFLOAD_MBUF_NOFF_F) {
 276                         /* DF bit = 1 if refcount of current mbuf or parent mbuf
 277                          *              is greater than 1
 278                          * DF bit = 0 otherwise
 279                          */
 280                         send_hdr->w0.df = cnxk_nix_prefree_seg(m);
 281                         /* Ensuring mbuf fields which got updated in
 282                          * cnxk_nix_prefree_seg are written before LMTST.
 283                          */
 284                         rte_io_wmb();
 285                 }
 286                 /* Mark mempool object as "put" since it is freed by NIX */
 287                 if (!send_hdr->w0.df)
 288                         RTE_MEMPOOL_CHECK_COOKIES(m->pool, (void **)&m, 1, 0);
 289         }
 290 }
 291
 292 static __rte_always_inline void
 293 cn9k_nix_xmit_prepare_tstamp(uint64_t *cmd, const uint64_t *send_mem_desc,
 294                              const uint64_t ol_flags, const uint16_t no_segdw,
 295                              const uint16_t flags)
 296 {
 297         if (flags & NIX_TX_OFFLOAD_TSTAMP_F) {
 298                 struct nix_send_mem_s *send_mem;
 299                 uint16_t off = (no_segdw - 1) << 1;
 300                 const uint8_t is_ol_tstamp = !(ol_flags & RTE_MBUF_F_TX_IEEE1588_TMST);
 301
 302                 send_mem = (struct nix_send_mem_s *)(cmd + off);
 303                 if (flags & NIX_TX_MULTI_SEG_F) {
 304                         /* Retrieving the default desc values */
 305                         cmd[off] = send_mem_desc[6];
 306
 307                         /* Using compiler barier to avoid voilation of C
 308                          * aliasing rules.
 309                          */
 310                         rte_compiler_barrier();
 311                 }
 312
 313                 /* Packets for which RTE_MBUF_F_TX_IEEE1588_TMST is not set, tx tstamp
 314                  * should not be recorded, hence changing the alg type to
 315                  * NIX_SENDMEMALG_SET and also changing send mem addr field to
 316                  * next 8 bytes as it corrpt the actual tx tstamp registered
 317                  * address.
 318                  */
 319                 send_mem->w0.cn9k.alg =
 320                         NIX_SENDMEMALG_SETTSTMP - (is_ol_tstamp);
 321
 322                 send_mem->addr = (rte_iova_t)((uint64_t *)send_mem_desc[7] +
 323                                               (is_ol_tstamp));
 324         }
 325 }
 326
 327 static __rte_always_inline void
 328 cn9k_nix_xmit_one(uint64_t *cmd, void *lmt_addr, const rte_iova_t io_addr,
 329                   const uint32_t flags)
 330 {
 331         uint64_t lmt_status;
 332
 333         do {
 334                 roc_lmt_mov(lmt_addr, cmd, cn9k_nix_tx_ext_subs(flags));
 335                 lmt_status = roc_lmt_submit_ldeor(io_addr);
 336         } while (lmt_status == 0);
 337 }
 338
 339 static __rte_always_inline void
 340 cn9k_nix_xmit_prep_lmt(uint64_t *cmd, void *lmt_addr, const uint32_t flags)
 341 {
 342         roc_lmt_mov(lmt_addr, cmd, cn9k_nix_tx_ext_subs(flags));
 343 }
 344
 345 static __rte_always_inline uint64_t
 346 cn9k_nix_xmit_submit_lmt(const rte_iova_t io_addr)
 347 {
 348         return roc_lmt_submit_ldeor(io_addr);
 349 }
 350
 351 static __rte_always_inline uint64_t
 352 cn9k_nix_xmit_submit_lmt_release(const rte_iova_t io_addr)
 353 {
 354         return roc_lmt_submit_ldeorl(io_addr);
 355 }
 356
 357 static __rte_always_inline uint16_t
 358 cn9k_nix_prepare_mseg(struct rte_mbuf *m, uint64_t *cmd, const uint16_t flags)
 359 {
 360         struct nix_send_hdr_s *send_hdr;
 361         union nix_send_sg_s *sg;
 362         struct rte_mbuf *m_next;
 363         uint64_t *slist, sg_u;
 364         uint64_t nb_segs;
 365         uint64_t segdw;
 366         uint8_t off, i;
 367
 368         send_hdr = (struct nix_send_hdr_s *)cmd;
 369         send_hdr->w0.total = m->pkt_len;
 370         send_hdr->w0.aura = roc_npa_aura_handle_to_aura(m->pool->pool_id);
 371
 372         if (flags & NIX_TX_NEED_EXT_HDR)
 373                 off = 2;
 374         else
 375                 off = 0;
 376
 377         sg = (union nix_send_sg_s *)&cmd[2 + off];
 378         /* Clear sg->u header before use */
 379         sg->u &= 0xFC00000000000000;
 380         sg_u = sg->u;
 381         slist = &cmd[3 + off];
 382
 383         i = 0;
 384         nb_segs = m->nb_segs;
 385
 386         /* Fill mbuf segments */
 387         do {
 388                 m_next = m->next;
 389                 sg_u = sg_u | ((uint64_t)m->data_len << (i << 4));
 390                 *slist = rte_mbuf_data_iova(m);
 391                 /* Set invert df if buffer is not to be freed by H/W */
 392                 if (flags & NIX_TX_OFFLOAD_MBUF_NOFF_F) {
 393                         sg_u |= (cnxk_nix_prefree_seg(m) << (i + 55));
 394                         /* Commit changes to mbuf */
 395                         rte_io_wmb();
 396                 }
 397                 /* Mark mempool object as "put" since it is freed by NIX */
 398 #ifdef RTE_LIBRTE_MEMPOOL_DEBUG
 399                 if (!(sg_u & (1ULL << (i + 55))))
 400                         RTE_MEMPOOL_CHECK_COOKIES(m->pool, (void **)&m, 1, 0);
 401                 rte_io_wmb();
 402 #endif
 403                 slist++;
 404                 i++;
 405                 nb_segs--;
 406                 if (i > 2 && nb_segs) {
 407                         i = 0;
 408                         /* Next SG subdesc */
 409                         *(uint64_t *)slist = sg_u & 0xFC00000000000000;
 410                         sg->u = sg_u;
 411                         sg->segs = 3;
 412                         sg = (union nix_send_sg_s *)slist;
 413                         sg_u = sg->u;
 414                         slist++;
 415                 }
 416                 m = m_next;
 417         } while (nb_segs);
 418
 419         sg->u = sg_u;
 420         sg->segs = i;
 421         segdw = (uint64_t *)slist - (uint64_t *)&cmd[2 + off];
 422         /* Roundup extra dwords to multiple of 2 */
 423         segdw = (segdw >> 1) + (segdw & 0x1);
 424         /* Default dwords */
 425         segdw += (off >> 1) + 1 + !!(flags & NIX_TX_OFFLOAD_TSTAMP_F);
 426         send_hdr->w0.sizem1 = segdw - 1;
 427
 428         return segdw;
 429 }
 430
 431 static __rte_always_inline void
 432 cn9k_nix_xmit_mseg_prep_lmt(uint64_t *cmd, void *lmt_addr, uint16_t segdw)
 433 {
 434         roc_lmt_mov_seg(lmt_addr, (const void *)cmd, segdw);
 435 }
 436
 437 static __rte_always_inline void
 438 cn9k_nix_xmit_mseg_one(uint64_t *cmd, void *lmt_addr, rte_iova_t io_addr,
 439                        uint16_t segdw)
 440 {
 441         uint64_t lmt_status;
 442
 443         do {
 444                 roc_lmt_mov_seg(lmt_addr, (const void *)cmd, segdw);
 445                 lmt_status = roc_lmt_submit_ldeor(io_addr);
 446         } while (lmt_status == 0);
 447 }
 448
 449 static __rte_always_inline void
 450 cn9k_nix_xmit_mseg_one_release(uint64_t *cmd, void *lmt_addr,
 451                                rte_iova_t io_addr, uint16_t segdw)
 452 {
 453         uint64_t lmt_status;
 454
 455         rte_io_wmb();
 456         do {
 457                 roc_lmt_mov_seg(lmt_addr, (const void *)cmd, segdw);
 458                 lmt_status = roc_lmt_submit_ldeor(io_addr);
 459         } while (lmt_status == 0);
 460 }
 461
 462 static __rte_always_inline uint16_t
 463 cn9k_nix_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t pkts,
 464                    uint64_t *cmd, const uint16_t flags)
 465 {
 466         struct cn9k_eth_txq *txq = tx_queue;
 467         const rte_iova_t io_addr = txq->io_addr;
 468         void *lmt_addr = txq->lmt_addr;
 469         uint64_t lso_tun_fmt;
 470         uint16_t i;
 471
 472         NIX_XMIT_FC_OR_RETURN(txq, pkts);
 473
 474         roc_lmt_mov(cmd, &txq->cmd[0], cn9k_nix_tx_ext_subs(flags));
 475
 476         /* Perform header writes before barrier for TSO */
 477         if (flags & NIX_TX_OFFLOAD_TSO_F) {
 478                 lso_tun_fmt = txq->lso_tun_fmt;
 479
 480                 for (i = 0; i < pkts; i++)
 481                         cn9k_nix_xmit_prepare_tso(tx_pkts[i], flags);
 482         }
 483
 484         /* Lets commit any changes in the packet here as no further changes
 485          * to the packet will be done unless no fast free is enabled.
 486          */
 487         if (!(flags & NIX_TX_OFFLOAD_MBUF_NOFF_F))
 488                 rte_io_wmb();
 489
 490         for (i = 0; i < pkts; i++) {
 491                 cn9k_nix_xmit_prepare(tx_pkts[i], cmd, flags, lso_tun_fmt);
 492                 cn9k_nix_xmit_prepare_tstamp(cmd, &txq->cmd[0],
 493                                              tx_pkts[i]->ol_flags, 4, flags);
 494                 cn9k_nix_xmit_one(cmd, lmt_addr, io_addr, flags);
 495         }
 496
 497         /* Reduce the cached count */
 498         txq->fc_cache_pkts -= pkts;
 499
 500         return pkts;
 501 }
 502
 503 static __rte_always_inline uint16_t
 504 cn9k_nix_xmit_pkts_mseg(void *tx_queue, struct rte_mbuf **tx_pkts,
 505                         uint16_t pkts, uint64_t *cmd, const uint16_t flags)
 506 {
 507         struct cn9k_eth_txq *txq = tx_queue;
 508         const rte_iova_t io_addr = txq->io_addr;
 509         void *lmt_addr = txq->lmt_addr;
 510         uint64_t lso_tun_fmt;
 511         uint16_t segdw;
 512         uint64_t i;
 513
 514         NIX_XMIT_FC_OR_RETURN(txq, pkts);
 515
 516         roc_lmt_mov(cmd, &txq->cmd[0], cn9k_nix_tx_ext_subs(flags));
 517
 518         /* Perform header writes before barrier for TSO */
 519         if (flags & NIX_TX_OFFLOAD_TSO_F) {
 520                 lso_tun_fmt = txq->lso_tun_fmt;
 521
 522                 for (i = 0; i < pkts; i++)
 523                         cn9k_nix_xmit_prepare_tso(tx_pkts[i], flags);
 524         }
 525
 526         /* Lets commit any changes in the packet here as no further changes
 527          * to the packet will be done unless no fast free is enabled.
 528          */
 529         if (!(flags & NIX_TX_OFFLOAD_MBUF_NOFF_F))
 530                 rte_io_wmb();
 531
 532         for (i = 0; i < pkts; i++) {
 533                 cn9k_nix_xmit_prepare(tx_pkts[i], cmd, flags, lso_tun_fmt);
 534                 segdw = cn9k_nix_prepare_mseg(tx_pkts[i], cmd, flags);
 535                 cn9k_nix_xmit_prepare_tstamp(cmd, &txq->cmd[0],
 536                                              tx_pkts[i]->ol_flags, segdw,
 537                                              flags);
 538                 cn9k_nix_xmit_mseg_one(cmd, lmt_addr, io_addr, segdw);
 539         }
 540
 541         /* Reduce the cached count */
 542         txq->fc_cache_pkts -= pkts;
 543
 544         return pkts;
 545 }
 546
 547 #if defined(RTE_ARCH_ARM64)
 548
 549 static __rte_always_inline void
 550 cn9k_nix_prepare_tso(struct rte_mbuf *m, union nix_send_hdr_w1_u *w1,
 551                      union nix_send_ext_w0_u *w0, uint64_t ol_flags,
 552                      uint64_t flags)
 553 {
 554         uint16_t lso_sb;
 555         uint64_t mask;
 556
 557         if (!(ol_flags & RTE_MBUF_F_TX_TCP_SEG))
 558                 return;
 559
 560         mask = -(!w1->il3type);
 561         lso_sb = (mask & w1->ol4ptr) + (~mask & w1->il4ptr) + m->l4_len;
 562
 563         w0->u |= BIT(14);
 564         w0->lso_sb = lso_sb;
 565         w0->lso_mps = m->tso_segsz;
 566         w0->lso_format = NIX_LSO_FORMAT_IDX_TSOV4 + !!(ol_flags & RTE_MBUF_F_TX_IPV6);
 567         w1->ol4type = NIX_SENDL4TYPE_TCP_CKSUM;
 568
 569         /* Handle tunnel tso */
 570         if ((flags & NIX_TX_OFFLOAD_OL3_OL4_CSUM_F) &&
 571             (ol_flags & RTE_MBUF_F_TX_TUNNEL_MASK)) {
 572                 const uint8_t is_udp_tun =
 573                         (CNXK_NIX_UDP_TUN_BITMASK >>
 574                          ((ol_flags & RTE_MBUF_F_TX_TUNNEL_MASK) >> 45)) &
 575                         0x1;
 576
 577                 w1->il4type = NIX_SENDL4TYPE_TCP_CKSUM;
 578                 w1->ol4type = is_udp_tun ? NIX_SENDL4TYPE_UDP_CKSUM : 0;
 579                 /* Update format for UDP tunneled packet */
 580                 w0->lso_format += is_udp_tun ? 2 : 6;
 581
 582                 w0->lso_format += !!(ol_flags & RTE_MBUF_F_TX_OUTER_IPV6) << 1;
 583         }
 584 }
 585
 586 static __rte_always_inline uint8_t
 587 cn9k_nix_prepare_mseg_vec_list(struct rte_mbuf *m, uint64_t *cmd,
 588                                union nix_send_hdr_w0_u *sh,
 589                                union nix_send_sg_s *sg, const uint32_t flags)
 590 {
 591         struct rte_mbuf *m_next;
 592         uint64_t *slist, sg_u;
 593         uint16_t nb_segs;
 594         uint64_t segdw;
 595         int i = 1;
 596
 597         sh->total = m->pkt_len;
 598         /* Clear sg->u header before use */
 599         sg->u &= 0xFC00000000000000;
 600         sg_u = sg->u;
 601         slist = &cmd[0];
 602
 603         sg_u = sg_u | ((uint64_t)m->data_len);
 604
 605         nb_segs = m->nb_segs - 1;
 606         m_next = m->next;
 607
 608         /* Set invert df if buffer is not to be freed by H/W */
 609         if (flags & NIX_TX_OFFLOAD_MBUF_NOFF_F)
 610                 sg_u |= (cnxk_nix_prefree_seg(m) << 55);
 611                 /* Mark mempool object as "put" since it is freed by NIX */
 612 #ifdef RTE_LIBRTE_MEMPOOL_DEBUG
 613         if (!(sg_u & (1ULL << 55)))
 614                 RTE_MEMPOOL_CHECK_COOKIES(m->pool, (void **)&m, 1, 0);
 615         rte_io_wmb();
 616 #endif
 617
 618         m = m_next;
 619         /* Fill mbuf segments */
 620         do {
 621                 m_next = m->next;
 622                 sg_u = sg_u | ((uint64_t)m->data_len << (i << 4));
 623                 *slist = rte_mbuf_data_iova(m);
 624                 /* Set invert df if buffer is not to be freed by H/W */
 625                 if (flags & NIX_TX_OFFLOAD_MBUF_NOFF_F)
 626                         sg_u |= (cnxk_nix_prefree_seg(m) << (i + 55));
 627                         /* Mark mempool object as "put" since it is freed by NIX
 628                          */
 629 #ifdef RTE_LIBRTE_MEMPOOL_DEBUG
 630                 if (!(sg_u & (1ULL << (i + 55))))
 631                         RTE_MEMPOOL_CHECK_COOKIES(m->pool, (void **)&m, 1, 0);
 632                 rte_io_wmb();
 633 #endif
 634                 slist++;
 635                 i++;
 636                 nb_segs--;
 637                 if (i > 2 && nb_segs) {
 638                         i = 0;
 639                         /* Next SG subdesc */
 640                         *(uint64_t *)slist = sg_u & 0xFC00000000000000;
 641                         sg->u = sg_u;
 642                         sg->segs = 3;
 643                         sg = (union nix_send_sg_s *)slist;
 644                         sg_u = sg->u;
 645                         slist++;
 646                 }
 647                 m = m_next;
 648         } while (nb_segs);
 649
 650         sg->u = sg_u;
 651         sg->segs = i;
 652         segdw = (uint64_t *)slist - (uint64_t *)&cmd[0];
 653
 654         segdw += 2;
 655         /* Roundup extra dwords to multiple of 2 */
 656         segdw = (segdw >> 1) + (segdw & 0x1);
 657         /* Default dwords */
 658         segdw += 1 + !!(flags & NIX_TX_NEED_EXT_HDR) +
 659                  !!(flags & NIX_TX_OFFLOAD_TSTAMP_F);
 660         sh->sizem1 = segdw - 1;
 661
 662         return segdw;
 663 }
 664
 665 static __rte_always_inline uint8_t
 666 cn9k_nix_prepare_mseg_vec(struct rte_mbuf *m, uint64_t *cmd, uint64x2_t *cmd0,
 667                           uint64x2_t *cmd1, const uint32_t flags)
 668 {
 669         union nix_send_hdr_w0_u sh;
 670         union nix_send_sg_s sg;
 671         uint8_t ret;
 672
 673         if (m->nb_segs == 1) {
 674                 if (flags & NIX_TX_OFFLOAD_MBUF_NOFF_F) {
 675                         sg.u = vgetq_lane_u64(cmd1[0], 0);
 676                         sg.u |= (cnxk_nix_prefree_seg(m) << 55);
 677                         cmd1[0] = vsetq_lane_u64(sg.u, cmd1[0], 0);
 678                 }
 679
 680 #ifdef RTE_LIBRTE_MEMPOOL_DEBUG
 681                 sg.u = vgetq_lane_u64(cmd1[0], 0);
 682                 if (!(sg.u & (1ULL << 55)))
 683                         RTE_MEMPOOL_CHECK_COOKIES(m->pool, (void **)&m, 1, 0);
 684                 rte_io_wmb();
 685 #endif
 686                 return 2 + !!(flags & NIX_TX_NEED_EXT_HDR) +
 687                        !!(flags & NIX_TX_OFFLOAD_TSTAMP_F);
 688         }
 689
 690         sh.u = vgetq_lane_u64(cmd0[0], 0);
 691         sg.u = vgetq_lane_u64(cmd1[0], 0);
 692
 693         ret = cn9k_nix_prepare_mseg_vec_list(m, cmd, &sh, &sg, flags);
 694
 695         cmd0[0] = vsetq_lane_u64(sh.u, cmd0[0], 0);
 696         cmd1[0] = vsetq_lane_u64(sg.u, cmd1[0], 0);
 697         return ret;
 698 }
 699
 700 #define NIX_DESCS_PER_LOOP 4
 701
 702 static __rte_always_inline void
 703 cn9k_nix_xmit_pkts_mseg_vector(uint64x2_t *cmd0, uint64x2_t *cmd1,
 704                                uint64x2_t *cmd2, uint64x2_t *cmd3,
 705                                uint8_t *segdw,
 706                                uint64_t slist[][CNXK_NIX_TX_MSEG_SG_DWORDS - 2],
 707                                uint64_t *lmt_addr, rte_iova_t io_addr,
 708                                const uint32_t flags)
 709 {
 710         uint64_t lmt_status;
 711         uint8_t j, off;
 712
 713         if (!(flags & NIX_TX_NEED_EXT_HDR) &&
 714             !(flags & NIX_TX_OFFLOAD_TSTAMP_F)) {
 715                 /* No segments in 4 consecutive packets. */
 716                 if ((segdw[0] + segdw[1] + segdw[2] + segdw[3]) <= 8) {
 717                         do {
 718                                 vst1q_u64(lmt_addr, cmd0[0]);
 719                                 vst1q_u64(lmt_addr + 2, cmd1[0]);
 720                                 vst1q_u64(lmt_addr + 4, cmd0[1]);
 721                                 vst1q_u64(lmt_addr + 6, cmd1[1]);
 722                                 vst1q_u64(lmt_addr + 8, cmd0[2]);
 723                                 vst1q_u64(lmt_addr + 10, cmd1[2]);
 724                                 vst1q_u64(lmt_addr + 12, cmd0[3]);
 725                                 vst1q_u64(lmt_addr + 14, cmd1[3]);
 726                                 lmt_status = roc_lmt_submit_ldeor(io_addr);
 727                         } while (lmt_status == 0);
 728
 729                         return;
 730                 }
 731         }
 732
 733         for (j = 0; j < NIX_DESCS_PER_LOOP;) {
 734                 /* Fit consecutive packets in same LMTLINE. */
 735                 if ((segdw[j] + segdw[j + 1]) <= 8) {
 736 again0:
 737                         if ((flags & NIX_TX_NEED_EXT_HDR) &&
 738                             (flags & NIX_TX_OFFLOAD_TSTAMP_F)) {
 739                                 vst1q_u64(lmt_addr, cmd0[j]);
 740                                 vst1q_u64(lmt_addr + 2, cmd2[j]);
 741                                 vst1q_u64(lmt_addr + 4, cmd1[j]);
 742                                 /* Copy segs */
 743                                 off = segdw[j] - 4;
 744                                 roc_lmt_mov_seg(lmt_addr + 6, slist[j], off);
 745                                 off <<= 1;
 746                                 vst1q_u64(lmt_addr + 6 + off, cmd3[j]);
 747
 748                                 vst1q_u64(lmt_addr + 8 + off, cmd0[j + 1]);
 749                                 vst1q_u64(lmt_addr + 10 + off, cmd2[j + 1]);
 750                                 vst1q_u64(lmt_addr + 12 + off, cmd1[j + 1]);
 751                                 roc_lmt_mov_seg(lmt_addr + 14 + off,
 752                                                 slist[j + 1], segdw[j + 1] - 4);
 753                                 off += ((segdw[j + 1] - 4) << 1);
 754                                 vst1q_u64(lmt_addr + 14 + off, cmd3[j + 1]);
 755                         } else if (flags & NIX_TX_NEED_EXT_HDR) {
 756                                 vst1q_u64(lmt_addr, cmd0[j]);
 757                                 vst1q_u64(lmt_addr + 2, cmd2[j]);
 758                                 vst1q_u64(lmt_addr + 4, cmd1[j]);
 759                                 /* Copy segs */
 760                                 off = segdw[j] - 3;
 761                                 roc_lmt_mov_seg(lmt_addr + 6, slist[j], off);
 762                                 off <<= 1;
 763                                 vst1q_u64(lmt_addr + 6 + off, cmd0[j + 1]);
 764                                 vst1q_u64(lmt_addr + 8 + off, cmd2[j + 1]);
 765                                 vst1q_u64(lmt_addr + 10 + off, cmd1[j + 1]);
 766                                 roc_lmt_mov_seg(lmt_addr + 12 + off,
 767                                                 slist[j + 1], segdw[j + 1] - 3);
 768                         } else {
 769                                 vst1q_u64(lmt_addr, cmd0[j]);
 770                                 vst1q_u64(lmt_addr + 2, cmd1[j]);
 771                                 /* Copy segs */
 772                                 off = segdw[j] - 2;
 773                                 roc_lmt_mov_seg(lmt_addr + 4, slist[j], off);
 774                                 off <<= 1;
 775                                 vst1q_u64(lmt_addr + 4 + off, cmd0[j + 1]);
 776                                 vst1q_u64(lmt_addr + 6 + off, cmd1[j + 1]);
 777                                 roc_lmt_mov_seg(lmt_addr + 8 + off,
 778                                                 slist[j + 1], segdw[j + 1] - 2);
 779                         }
 780                         lmt_status = roc_lmt_submit_ldeor(io_addr);
 781                         if (lmt_status == 0)
 782                                 goto again0;
 783                         j += 2;
 784                 } else {
 785 again1:
 786                         if ((flags & NIX_TX_NEED_EXT_HDR) &&
 787                             (flags & NIX_TX_OFFLOAD_TSTAMP_F)) {
 788                                 vst1q_u64(lmt_addr, cmd0[j]);
 789                                 vst1q_u64(lmt_addr + 2, cmd2[j]);
 790                                 vst1q_u64(lmt_addr + 4, cmd1[j]);
 791                                 /* Copy segs */
 792                                 off = segdw[j] - 4;
 793                                 roc_lmt_mov_seg(lmt_addr + 6, slist[j], off);
 794                                 off <<= 1;
 795                                 vst1q_u64(lmt_addr + 6 + off, cmd3[j]);
 796                         } else if (flags & NIX_TX_NEED_EXT_HDR) {
 797                                 vst1q_u64(lmt_addr, cmd0[j]);
 798                                 vst1q_u64(lmt_addr + 2, cmd2[j]);
 799                                 vst1q_u64(lmt_addr + 4, cmd1[j]);
 800                                 /* Copy segs */
 801                                 off = segdw[j] - 3;
 802                                 roc_lmt_mov_seg(lmt_addr + 6, slist[j], off);
 803                         } else {
 804                                 vst1q_u64(lmt_addr, cmd0[j]);
 805                                 vst1q_u64(lmt_addr + 2, cmd1[j]);
 806                                 /* Copy segs */
 807                                 off = segdw[j] - 2;
 808                                 roc_lmt_mov_seg(lmt_addr + 4, slist[j], off);
 809                         }
 810                         lmt_status = roc_lmt_submit_ldeor(io_addr);
 811                         if (lmt_status == 0)
 812                                 goto again1;
 813                         j += 1;
 814                 }
 815         }
 816 }
 817
 818 static __rte_always_inline uint16_t
 819 cn9k_nix_xmit_pkts_vector(void *tx_queue, struct rte_mbuf **tx_pkts,
 820                           uint16_t pkts, uint64_t *cmd, const uint16_t flags)
 821 {
 822         uint64x2_t dataoff_iova0, dataoff_iova1, dataoff_iova2, dataoff_iova3;
 823         uint64x2_t len_olflags0, len_olflags1, len_olflags2, len_olflags3;
 824         uint64x2_t cmd0[NIX_DESCS_PER_LOOP], cmd1[NIX_DESCS_PER_LOOP],
 825                 cmd2[NIX_DESCS_PER_LOOP], cmd3[NIX_DESCS_PER_LOOP];
 826         uint64_t *mbuf0, *mbuf1, *mbuf2, *mbuf3;
 827         uint64x2_t senddesc01_w0, senddesc23_w0;
 828         uint64x2_t senddesc01_w1, senddesc23_w1;
 829         uint64x2_t sendext01_w0, sendext23_w0;
 830         uint64x2_t sendext01_w1, sendext23_w1;
 831         uint64x2_t sendmem01_w0, sendmem23_w0;
 832         uint64x2_t sendmem01_w1, sendmem23_w1;
 833         uint64x2_t sgdesc01_w0, sgdesc23_w0;
 834         uint64x2_t sgdesc01_w1, sgdesc23_w1;
 835         struct cn9k_eth_txq *txq = tx_queue;
 836         uint64_t *lmt_addr = txq->lmt_addr;
 837         rte_iova_t io_addr = txq->io_addr;
 838         uint64x2_t ltypes01, ltypes23;
 839         uint64x2_t xtmp128, ytmp128;
 840         uint64x2_t xmask01, xmask23;
 841         uint64_t lmt_status, i;
 842         uint16_t pkts_left;
 843
 844         NIX_XMIT_FC_OR_RETURN(txq, pkts);
 845
 846         pkts_left = pkts & (NIX_DESCS_PER_LOOP - 1);
 847         pkts = RTE_ALIGN_FLOOR(pkts, NIX_DESCS_PER_LOOP);
 848
 849         /* Reduce the cached count */
 850         txq->fc_cache_pkts -= pkts;
 851
 852         /* Perform header writes before barrier for TSO */
 853         if (flags & NIX_TX_OFFLOAD_TSO_F) {
 854                 for (i = 0; i < pkts; i++)
 855                         cn9k_nix_xmit_prepare_tso(tx_pkts[i], flags);
 856         }
 857
 858         /* Lets commit any changes in the packet here as no further changes
 859          * to the packet will be done unless no fast free is enabled.
 860          */
 861         if (!(flags & NIX_TX_OFFLOAD_MBUF_NOFF_F))
 862                 rte_io_wmb();
 863
 864         senddesc01_w0 = vld1q_dup_u64(&txq->cmd[0]);
 865         senddesc23_w0 = senddesc01_w0;
 866         senddesc01_w1 = vdupq_n_u64(0);
 867         senddesc23_w1 = senddesc01_w1;
 868
 869         /* Load command defaults into vector variables. */
 870         if (flags & NIX_TX_NEED_EXT_HDR) {
 871                 sendext01_w0 = vld1q_dup_u64(&txq->cmd[2]);
 872                 sendext23_w0 = sendext01_w0;
 873                 sendext01_w1 = vdupq_n_u64(12 | 12U << 24);
 874                 sendext23_w1 = sendext01_w1;
 875                 sgdesc01_w0 = vld1q_dup_u64(&txq->cmd[4]);
 876                 sgdesc23_w0 = sgdesc01_w0;
 877                 if (flags & NIX_TX_OFFLOAD_TSTAMP_F) {
 878                         sendmem01_w0 = vld1q_dup_u64(&txq->cmd[6]);
 879                         sendmem23_w0 = sendmem01_w0;
 880                         sendmem01_w1 = vld1q_dup_u64(&txq->cmd[7]);
 881                         sendmem23_w1 = sendmem01_w1;
 882                 }
 883         } else {
 884                 sgdesc01_w0 = vld1q_dup_u64(&txq->cmd[2]);
 885                 sgdesc23_w0 = sgdesc01_w0;
 886         }
 887
 888         for (i = 0; i < pkts; i += NIX_DESCS_PER_LOOP) {
 889                 /* Clear lower 32bit of SEND_HDR_W0 and SEND_SG_W0 */
 890                 senddesc01_w0 =
 891                         vbicq_u64(senddesc01_w0, vdupq_n_u64(0xFFFFFFFF));
 892                 sgdesc01_w0 = vbicq_u64(sgdesc01_w0, vdupq_n_u64(0xFFFFFFFF));
 893
 894                 senddesc23_w0 = senddesc01_w0;
 895                 sgdesc23_w0 = sgdesc01_w0;
 896
 897                 /* Clear vlan enables. */
 898                 if (flags & NIX_TX_NEED_EXT_HDR) {
 899                         sendext01_w1 = vbicq_u64(sendext01_w1,
 900                                                  vdupq_n_u64(0x3FFFF00FFFF00));
 901                         sendext23_w1 = sendext01_w1;
 902                 }
 903
 904                 if (flags & NIX_TX_OFFLOAD_TSTAMP_F) {
 905                         /* Reset send mem alg to SETTSTMP from SUB*/
 906                         sendmem01_w0 = vbicq_u64(sendmem01_w0,
 907                                                  vdupq_n_u64(BIT_ULL(59)));
 908                         /* Reset send mem address to default. */
 909                         sendmem01_w1 =
 910                                 vbicq_u64(sendmem01_w1, vdupq_n_u64(0xF));
 911                         sendmem23_w0 = sendmem01_w0;
 912                         sendmem23_w1 = sendmem01_w1;
 913                 }
 914
 915                 if (flags & NIX_TX_OFFLOAD_TSO_F) {
 916                         /* Clear the LSO enable bit. */
 917                         sendext01_w0 = vbicq_u64(sendext01_w0,
 918                                                  vdupq_n_u64(BIT_ULL(14)));
 919                         sendext23_w0 = sendext01_w0;
 920                 }
 921
 922                 /* Move mbufs to iova */
 923                 mbuf0 = (uint64_t *)tx_pkts[0];
 924                 mbuf1 = (uint64_t *)tx_pkts[1];
 925                 mbuf2 = (uint64_t *)tx_pkts[2];
 926                 mbuf3 = (uint64_t *)tx_pkts[3];
 927
 928                 mbuf0 = (uint64_t *)((uintptr_t)mbuf0 +
 929                                      offsetof(struct rte_mbuf, buf_iova));
 930                 mbuf1 = (uint64_t *)((uintptr_t)mbuf1 +
 931                                      offsetof(struct rte_mbuf, buf_iova));
 932                 mbuf2 = (uint64_t *)((uintptr_t)mbuf2 +
 933                                      offsetof(struct rte_mbuf, buf_iova));
 934                 mbuf3 = (uint64_t *)((uintptr_t)mbuf3 +
 935                                      offsetof(struct rte_mbuf, buf_iova));
 936                 /*
 937                  * Get mbuf's, olflags, iova, pktlen, dataoff
 938                  * dataoff_iovaX.D[0] = iova,
 939                  * dataoff_iovaX.D[1](15:0) = mbuf->dataoff
 940                  * len_olflagsX.D[0] = ol_flags,
 941                  * len_olflagsX.D[1](63:32) = mbuf->pkt_len
 942                  */
 943                 dataoff_iova0 = vld1q_u64(mbuf0);
 944                 len_olflags0 = vld1q_u64(mbuf0 + 2);
 945                 dataoff_iova1 = vld1q_u64(mbuf1);
 946                 len_olflags1 = vld1q_u64(mbuf1 + 2);
 947                 dataoff_iova2 = vld1q_u64(mbuf2);
 948                 len_olflags2 = vld1q_u64(mbuf2 + 2);
 949                 dataoff_iova3 = vld1q_u64(mbuf3);
 950                 len_olflags3 = vld1q_u64(mbuf3 + 2);
 951
 952                 /* Move mbufs to point pool */
 953                 mbuf0 = (uint64_t *)((uintptr_t)mbuf0 +
 954                                      offsetof(struct rte_mbuf, pool) -
 955                                      offsetof(struct rte_mbuf, buf_iova));
 956                 mbuf1 = (uint64_t *)((uintptr_t)mbuf1 +
 957                                      offsetof(struct rte_mbuf, pool) -
 958                                      offsetof(struct rte_mbuf, buf_iova));
 959                 mbuf2 = (uint64_t *)((uintptr_t)mbuf2 +
 960                                      offsetof(struct rte_mbuf, pool) -
 961                                      offsetof(struct rte_mbuf, buf_iova));
 962                 mbuf3 = (uint64_t *)((uintptr_t)mbuf3 +
 963                                      offsetof(struct rte_mbuf, pool) -
 964                                      offsetof(struct rte_mbuf, buf_iova));
 965
 966                 if (flags & (NIX_TX_OFFLOAD_OL3_OL4_CSUM_F |
 967                              NIX_TX_OFFLOAD_L3_L4_CSUM_F)) {
 968                         /* Get tx_offload for ol2, ol3, l2, l3 lengths */
 969                         /*
 970                          * E(8):OL2_LEN(7):OL3_LEN(9):E(24):L3_LEN(9):L2_LEN(7)
 971                          * E(8):OL2_LEN(7):OL3_LEN(9):E(24):L3_LEN(9):L2_LEN(7)
 972                          */
 973
 974                         asm volatile("LD1 {%[a].D}[0],[%[in]]\n\t"
 975                                      : [a] "+w"(senddesc01_w1)
 976                                      : [in] "r"(mbuf0 + 2)
 977                                      : "memory");
 978
 979                         asm volatile("LD1 {%[a].D}[1],[%[in]]\n\t"
 980                                      : [a] "+w"(senddesc01_w1)
 981                                      : [in] "r"(mbuf1 + 2)
 982                                      : "memory");
 983
 984                         asm volatile("LD1 {%[b].D}[0],[%[in]]\n\t"
 985                                      : [b] "+w"(senddesc23_w1)
 986                                      : [in] "r"(mbuf2 + 2)
 987                                      : "memory");
 988
 989                         asm volatile("LD1 {%[b].D}[1],[%[in]]\n\t"
 990                                      : [b] "+w"(senddesc23_w1)
 991                                      : [in] "r"(mbuf3 + 2)
 992                                      : "memory");
 993
 994                         /* Get pool pointer alone */
 995                         mbuf0 = (uint64_t *)*mbuf0;
 996                         mbuf1 = (uint64_t *)*mbuf1;
 997                         mbuf2 = (uint64_t *)*mbuf2;
 998                         mbuf3 = (uint64_t *)*mbuf3;
 999                 } else {
1000                         /* Get pool pointer alone */
1001                         mbuf0 = (uint64_t *)*mbuf0;
1002                         mbuf1 = (uint64_t *)*mbuf1;
1003                         mbuf2 = (uint64_t *)*mbuf2;
1004                         mbuf3 = (uint64_t *)*mbuf3;
1005                 }
1006
1007                 const uint8x16_t shuf_mask2 = {
1008                         0x4, 0x5, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
1009                         0xc, 0xd, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
1010                 };
1011                 xtmp128 = vzip2q_u64(len_olflags0, len_olflags1);
1012                 ytmp128 = vzip2q_u64(len_olflags2, len_olflags3);
1013
1014                 /* Clear dataoff_iovaX.D[1] bits other than dataoff(15:0) */
1015                 const uint64x2_t and_mask0 = {
1016                         0xFFFFFFFFFFFFFFFF,
1017                         0x000000000000FFFF,
1018                 };
1019
1020                 dataoff_iova0 = vandq_u64(dataoff_iova0, and_mask0);
1021                 dataoff_iova1 = vandq_u64(dataoff_iova1, and_mask0);
1022                 dataoff_iova2 = vandq_u64(dataoff_iova2, and_mask0);
1023                 dataoff_iova3 = vandq_u64(dataoff_iova3, and_mask0);
1024
1025                 /*
1026                  * Pick only 16 bits of pktlen preset at bits 63:32
1027                  * and place them at bits 15:0.
1028                  */
1029                 xtmp128 = vqtbl1q_u8(xtmp128, shuf_mask2);
1030                 ytmp128 = vqtbl1q_u8(ytmp128, shuf_mask2);
1031
1032                 /* Add pairwise to get dataoff + iova in sgdesc_w1 */
1033                 sgdesc01_w1 = vpaddq_u64(dataoff_iova0, dataoff_iova1);
1034                 sgdesc23_w1 = vpaddq_u64(dataoff_iova2, dataoff_iova3);
1035
1036                 /* Orr both sgdesc_w0 and senddesc_w0 with 16 bits of
1037                  * pktlen at 15:0 position.
1038                  */
1039                 sgdesc01_w0 = vorrq_u64(sgdesc01_w0, xtmp128);
1040                 sgdesc23_w0 = vorrq_u64(sgdesc23_w0, ytmp128);
1041                 senddesc01_w0 = vorrq_u64(senddesc01_w0, xtmp128);
1042                 senddesc23_w0 = vorrq_u64(senddesc23_w0, ytmp128);
1043
1044                 /* Move mbuf to point to pool_id. */
1045                 mbuf0 = (uint64_t *)((uintptr_t)mbuf0 +
1046                                      offsetof(struct rte_mempool, pool_id));
1047                 mbuf1 = (uint64_t *)((uintptr_t)mbuf1 +
1048                                      offsetof(struct rte_mempool, pool_id));
1049                 mbuf2 = (uint64_t *)((uintptr_t)mbuf2 +
1050                                      offsetof(struct rte_mempool, pool_id));
1051                 mbuf3 = (uint64_t *)((uintptr_t)mbuf3 +
1052                                      offsetof(struct rte_mempool, pool_id));
1053
1054                 if ((flags & NIX_TX_OFFLOAD_L3_L4_CSUM_F) &&
1055                     !(flags & NIX_TX_OFFLOAD_OL3_OL4_CSUM_F)) {
1056                         /*
1057                          * Lookup table to translate ol_flags to
1058                          * il3/il4 types. But we still use ol3/ol4 types in
1059                          * senddesc_w1 as only one header processing is enabled.
1060                          */
1061                         const uint8x16_t tbl = {
1062                                 /* [0-15] = il4type:il3type */
1063                                 0x04, /* none (IPv6 assumed) */
1064                                 0x14, /* RTE_MBUF_F_TX_TCP_CKSUM (IPv6 assumed) */
1065                                 0x24, /* RTE_MBUF_F_TX_SCTP_CKSUM (IPv6 assumed) */
1066                                 0x34, /* RTE_MBUF_F_TX_UDP_CKSUM (IPv6 assumed) */
1067                                 0x03, /* RTE_MBUF_F_TX_IP_CKSUM */
1068                                 0x13, /* RTE_MBUF_F_TX_IP_CKSUM | RTE_MBUF_F_TX_TCP_CKSUM */
1069                                 0x23, /* RTE_MBUF_F_TX_IP_CKSUM | RTE_MBUF_F_TX_SCTP_CKSUM */
1070                                 0x33, /* RTE_MBUF_F_TX_IP_CKSUM | RTE_MBUF_F_TX_UDP_CKSUM */
1071                                 0x02, /* RTE_MBUF_F_TX_IPV4  */
1072                                 0x12, /* RTE_MBUF_F_TX_IPV4 | RTE_MBUF_F_TX_TCP_CKSUM */
1073                                 0x22, /* RTE_MBUF_F_TX_IPV4 | RTE_MBUF_F_TX_SCTP_CKSUM */
1074                                 0x32, /* RTE_MBUF_F_TX_IPV4 | RTE_MBUF_F_TX_UDP_CKSUM */
1075                                 0x03, /* RTE_MBUF_F_TX_IPV4 | RTE_MBUF_F_TX_IP_CKSUM */
1076                                 0x13, /* RTE_MBUF_F_TX_IPV4 | RTE_MBUF_F_TX_IP_CKSUM |
1077                                        * RTE_MBUF_F_TX_TCP_CKSUM
1078                                        */
1079                                 0x23, /* RTE_MBUF_F_TX_IPV4 | RTE_MBUF_F_TX_IP_CKSUM |
1080                                        * RTE_MBUF_F_TX_SCTP_CKSUM
1081                                        */
1082                                 0x33, /* RTE_MBUF_F_TX_IPV4 | RTE_MBUF_F_TX_IP_CKSUM |
1083                                        * RTE_MBUF_F_TX_UDP_CKSUM
1084                                        */
1085                         };
1086
1087                         /* Extract olflags to translate to iltypes */
1088                         xtmp128 = vzip1q_u64(len_olflags0, len_olflags1);
1089                         ytmp128 = vzip1q_u64(len_olflags2, len_olflags3);
1090
1091                         /*
1092                          * E(47):L3_LEN(9):L2_LEN(7+z)
1093                          * E(47):L3_LEN(9):L2_LEN(7+z)
1094                          */
1095                         senddesc01_w1 = vshlq_n_u64(senddesc01_w1, 1);
1096                         senddesc23_w1 = vshlq_n_u64(senddesc23_w1, 1);
1097
1098                         /* Move OLFLAGS bits 55:52 to 51:48
1099                          * with zeros preprended on the byte and rest
1100                          * don't care
1101                          */
1102                         xtmp128 = vshrq_n_u8(xtmp128, 4);
1103                         ytmp128 = vshrq_n_u8(ytmp128, 4);
1104                         /*
1105                          * E(48):L3_LEN(8):L2_LEN(z+7)
1106                          * E(48):L3_LEN(8):L2_LEN(z+7)
1107                          */
1108                         const int8x16_t tshft3 = {
1109                                 -1, 0, 8, 8, 8, 8, 8, 8,
1110                                 -1, 0, 8, 8, 8, 8, 8, 8,
1111                         };
1112
1113                         senddesc01_w1 = vshlq_u8(senddesc01_w1, tshft3);
1114                         senddesc23_w1 = vshlq_u8(senddesc23_w1, tshft3);
1115
1116                         /* Do the lookup */
1117                         ltypes01 = vqtbl1q_u8(tbl, xtmp128);
1118                         ltypes23 = vqtbl1q_u8(tbl, ytmp128);
1119
1120                         /* Pick only relevant fields i.e Bit 48:55 of iltype
1121                          * and place it in ol3/ol4type of senddesc_w1
1122                          */
1123                         const uint8x16_t shuf_mask0 = {
1124                                 0xFF, 0xFF, 0xFF, 0xFF, 0x6, 0xFF, 0xFF, 0xFF,
1125                                 0xFF, 0xFF, 0xFF, 0xFF, 0xE, 0xFF, 0xFF, 0xFF,
1126                         };
1127
1128                         ltypes01 = vqtbl1q_u8(ltypes01, shuf_mask0);
1129                         ltypes23 = vqtbl1q_u8(ltypes23, shuf_mask0);
1130
1131                         /* Prepare ol4ptr, ol3ptr from ol3len, ol2len.
1132                          * a [E(32):E(16):OL3(8):OL2(8)]
1133                          * a = a + (a << 8)
1134                          * a [E(32):E(16):(OL3+OL2):OL2]
1135                          * => E(32):E(16)::OL4PTR(8):OL3PTR(8)
1136                          */
1137                         senddesc01_w1 = vaddq_u8(senddesc01_w1,
1138                                                  vshlq_n_u16(senddesc01_w1, 8));
1139                         senddesc23_w1 = vaddq_u8(senddesc23_w1,
1140                                                  vshlq_n_u16(senddesc23_w1, 8));
1141
1142                         /* Move ltypes to senddesc*_w1 */
1143                         senddesc01_w1 = vorrq_u64(senddesc01_w1, ltypes01);
1144                         senddesc23_w1 = vorrq_u64(senddesc23_w1, ltypes23);
1145                 } else if (!(flags & NIX_TX_OFFLOAD_L3_L4_CSUM_F) &&
1146                            (flags & NIX_TX_OFFLOAD_OL3_OL4_CSUM_F)) {
1147                         /*
1148                          * Lookup table to translate ol_flags to
1149                          * ol3/ol4 types.
1150                          */
1151
1152                         const uint8x16_t tbl = {
1153                                 /* [0-15] = ol4type:ol3type */
1154                                 0x00, /* none */
1155                                 0x03, /* OUTER_IP_CKSUM */
1156                                 0x02, /* OUTER_IPV4 */
1157                                 0x03, /* OUTER_IPV4 | OUTER_IP_CKSUM */
1158                                 0x04, /* OUTER_IPV6 */
1159                                 0x00, /* OUTER_IPV6 | OUTER_IP_CKSUM */
1160                                 0x00, /* OUTER_IPV6 | OUTER_IPV4 */
1161                                 0x00, /* OUTER_IPV6 | OUTER_IPV4 |
1162                                        * OUTER_IP_CKSUM
1163                                        */
1164                                 0x00, /* OUTER_UDP_CKSUM */
1165                                 0x33, /* OUTER_UDP_CKSUM | OUTER_IP_CKSUM */
1166                                 0x32, /* OUTER_UDP_CKSUM | OUTER_IPV4 */
1167                                 0x33, /* OUTER_UDP_CKSUM | OUTER_IPV4 |
1168                                        * OUTER_IP_CKSUM
1169                                        */
1170                                 0x34, /* OUTER_UDP_CKSUM | OUTER_IPV6 */
1171                                 0x00, /* OUTER_UDP_CKSUM | OUTER_IPV6 |
1172                                        * OUTER_IP_CKSUM
1173                                        */
1174                                 0x00, /* OUTER_UDP_CKSUM | OUTER_IPV6 |
1175                                        * OUTER_IPV4
1176                                        */
1177                                 0x00, /* OUTER_UDP_CKSUM | OUTER_IPV6 |
1178                                        * OUTER_IPV4 | OUTER_IP_CKSUM
1179                                        */
1180                         };
1181
1182                         /* Extract olflags to translate to iltypes */
1183                         xtmp128 = vzip1q_u64(len_olflags0, len_olflags1);
1184                         ytmp128 = vzip1q_u64(len_olflags2, len_olflags3);
1185
1186                         /*
1187                          * E(47):OL3_LEN(9):OL2_LEN(7+z)
1188                          * E(47):OL3_LEN(9):OL2_LEN(7+z)
1189                          */
1190                         const uint8x16_t shuf_mask5 = {
1191                                 0x6, 0x5, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
1192                                 0xE, 0xD, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
1193                         };
1194                         senddesc01_w1 = vqtbl1q_u8(senddesc01_w1, shuf_mask5);
1195                         senddesc23_w1 = vqtbl1q_u8(senddesc23_w1, shuf_mask5);
1196
1197                         /* Extract outer ol flags only */
1198                         const uint64x2_t o_cksum_mask = {
1199                                 0x1C00020000000000,
1200                                 0x1C00020000000000,
1201                         };
1202
1203                         xtmp128 = vandq_u64(xtmp128, o_cksum_mask);
1204                         ytmp128 = vandq_u64(ytmp128, o_cksum_mask);
1205
1206                         /* Extract OUTER_UDP_CKSUM bit 41 and
1207                          * move it to bit 61
1208                          */
1209
1210                         xtmp128 = xtmp128 | vshlq_n_u64(xtmp128, 20);
1211                         ytmp128 = ytmp128 | vshlq_n_u64(ytmp128, 20);
1212
1213                         /* Shift oltype by 2 to start nibble from BIT(56)
1214                          * instead of BIT(58)
1215                          */
1216                         xtmp128 = vshrq_n_u8(xtmp128, 2);
1217                         ytmp128 = vshrq_n_u8(ytmp128, 2);
1218                         /*
1219                          * E(48):L3_LEN(8):L2_LEN(z+7)
1220                          * E(48):L3_LEN(8):L2_LEN(z+7)
1221                          */
1222                         const int8x16_t tshft3 = {
1223                                 -1, 0, 8, 8, 8, 8, 8, 8,
1224                                 -1, 0, 8, 8, 8, 8, 8, 8,
1225                         };
1226
1227                         senddesc01_w1 = vshlq_u8(senddesc01_w1, tshft3);
1228                         senddesc23_w1 = vshlq_u8(senddesc23_w1, tshft3);
1229
1230                         /* Do the lookup */
1231                         ltypes01 = vqtbl1q_u8(tbl, xtmp128);
1232                         ltypes23 = vqtbl1q_u8(tbl, ytmp128);
1233
1234                         /* Pick only relevant fields i.e Bit 56:63 of oltype
1235                          * and place it in ol3/ol4type of senddesc_w1
1236                          */
1237                         const uint8x16_t shuf_mask0 = {
1238                                 0xFF, 0xFF, 0xFF, 0xFF, 0x7, 0xFF, 0xFF, 0xFF,
1239                                 0xFF, 0xFF, 0xFF, 0xFF, 0xF, 0xFF, 0xFF, 0xFF,
1240                         };
1241
1242                         ltypes01 = vqtbl1q_u8(ltypes01, shuf_mask0);
1243                         ltypes23 = vqtbl1q_u8(ltypes23, shuf_mask0);
1244
1245                         /* Prepare ol4ptr, ol3ptr from ol3len, ol2len.
1246                          * a [E(32):E(16):OL3(8):OL2(8)]
1247                          * a = a + (a << 8)
1248                          * a [E(32):E(16):(OL3+OL2):OL2]
1249                          * => E(32):E(16)::OL4PTR(8):OL3PTR(8)
1250                          */
1251                         senddesc01_w1 = vaddq_u8(senddesc01_w1,
1252                                                  vshlq_n_u16(senddesc01_w1, 8));
1253                         senddesc23_w1 = vaddq_u8(senddesc23_w1,
1254                                                  vshlq_n_u16(senddesc23_w1, 8));
1255
1256                         /* Move ltypes to senddesc*_w1 */
1257                         senddesc01_w1 = vorrq_u64(senddesc01_w1, ltypes01);
1258                         senddesc23_w1 = vorrq_u64(senddesc23_w1, ltypes23);
1259                 } else if ((flags & NIX_TX_OFFLOAD_L3_L4_CSUM_F) &&
1260                            (flags & NIX_TX_OFFLOAD_OL3_OL4_CSUM_F)) {
1261                         /* Lookup table to translate ol_flags to
1262                          * ol4type, ol3type, il4type, il3type of senddesc_w1
1263                          */
1264                         const uint8x16x2_t tbl = {{
1265                                 {
1266                                         /* [0-15] = il4type:il3type */
1267                                         0x04, /* none (IPv6) */
1268                                         0x14, /* RTE_MBUF_F_TX_TCP_CKSUM (IPv6) */
1269                                         0x24, /* RTE_MBUF_F_TX_SCTP_CKSUM (IPv6) */
1270                                         0x34, /* RTE_MBUF_F_TX_UDP_CKSUM (IPv6) */
1271                                         0x03, /* RTE_MBUF_F_TX_IP_CKSUM */
1272                                         0x13, /* RTE_MBUF_F_TX_IP_CKSUM |
1273                                                * RTE_MBUF_F_TX_TCP_CKSUM
1274                                                */
1275                                         0x23, /* RTE_MBUF_F_TX_IP_CKSUM |
1276                                                * RTE_MBUF_F_TX_SCTP_CKSUM
1277                                                */
1278                                         0x33, /* RTE_MBUF_F_TX_IP_CKSUM |
1279                                                * RTE_MBUF_F_TX_UDP_CKSUM
1280                                                */
1281                                         0x02, /* RTE_MBUF_F_TX_IPV4 */
1282                                         0x12, /* RTE_MBUF_F_TX_IPV4 |
1283                                                * RTE_MBUF_F_TX_TCP_CKSUM
1284                                                */
1285                                         0x22, /* RTE_MBUF_F_TX_IPV4 |
1286                                                * RTE_MBUF_F_TX_SCTP_CKSUM
1287                                                */
1288                                         0x32, /* RTE_MBUF_F_TX_IPV4 |
1289                                                * RTE_MBUF_F_TX_UDP_CKSUM
1290                                                */
1291                                         0x03, /* RTE_MBUF_F_TX_IPV4 |
1292                                                * RTE_MBUF_F_TX_IP_CKSUM
1293                                                */
1294                                         0x13, /* RTE_MBUF_F_TX_IPV4 | RTE_MBUF_F_TX_IP_CKSUM |
1295                                                * RTE_MBUF_F_TX_TCP_CKSUM
1296                                                */
1297                                         0x23, /* RTE_MBUF_F_TX_IPV4 | RTE_MBUF_F_TX_IP_CKSUM |
1298                                                * RTE_MBUF_F_TX_SCTP_CKSUM
1299                                                */
1300                                         0x33, /* RTE_MBUF_F_TX_IPV4 | RTE_MBUF_F_TX_IP_CKSUM |
1301                                                * RTE_MBUF_F_TX_UDP_CKSUM
1302                                                */
1303                                 },
1304
1305                                 {
1306                                         /* [16-31] = ol4type:ol3type */
1307                                         0x00, /* none */
1308                                         0x03, /* OUTER_IP_CKSUM */
1309                                         0x02, /* OUTER_IPV4 */
1310                                         0x03, /* OUTER_IPV4 | OUTER_IP_CKSUM */
1311                                         0x04, /* OUTER_IPV6 */
1312                                         0x00, /* OUTER_IPV6 | OUTER_IP_CKSUM */
1313                                         0x00, /* OUTER_IPV6 | OUTER_IPV4 */
1314                                         0x00, /* OUTER_IPV6 | OUTER_IPV4 |
1315                                                * OUTER_IP_CKSUM
1316                                                */
1317                                         0x00, /* OUTER_UDP_CKSUM */
1318                                         0x33, /* OUTER_UDP_CKSUM |
1319                                                * OUTER_IP_CKSUM
1320                                                */
1321                                         0x32, /* OUTER_UDP_CKSUM |
1322                                                * OUTER_IPV4
1323                                                */
1324                                         0x33, /* OUTER_UDP_CKSUM |
1325                                                * OUTER_IPV4 | OUTER_IP_CKSUM
1326                                                */
1327                                         0x34, /* OUTER_UDP_CKSUM |
1328                                                * OUTER_IPV6
1329                                                */
1330                                         0x00, /* OUTER_UDP_CKSUM | OUTER_IPV6 |
1331                                                * OUTER_IP_CKSUM
1332                                                */
1333                                         0x00, /* OUTER_UDP_CKSUM | OUTER_IPV6 |
1334                                                * OUTER_IPV4
1335                                                */
1336                                         0x00, /* OUTER_UDP_CKSUM | OUTER_IPV6 |
1337                                                * OUTER_IPV4 | OUTER_IP_CKSUM
1338                                                */
1339                                 },
1340                         }};
1341
1342                         /* Extract olflags to translate to oltype & iltype */
1343                         xtmp128 = vzip1q_u64(len_olflags0, len_olflags1);
1344                         ytmp128 = vzip1q_u64(len_olflags2, len_olflags3);
1345
1346                         /*
1347                          * E(8):OL2_LN(7):OL3_LN(9):E(23):L3_LN(9):L2_LN(7+z)
1348                          * E(8):OL2_LN(7):OL3_LN(9):E(23):L3_LN(9):L2_LN(7+z)
1349                          */
1350                         const uint32x4_t tshft_4 = {
1351                                 1,
1352                                 0,
1353                                 1,
1354                                 0,
1355                         };
1356                         senddesc01_w1 = vshlq_u32(senddesc01_w1, tshft_4);
1357                         senddesc23_w1 = vshlq_u32(senddesc23_w1, tshft_4);
1358
1359                         /*
1360                          * E(32):L3_LEN(8):L2_LEN(7+Z):OL3_LEN(8):OL2_LEN(7+Z)
1361                          * E(32):L3_LEN(8):L2_LEN(7+Z):OL3_LEN(8):OL2_LEN(7+Z)
1362                          */
1363                         const uint8x16_t shuf_mask5 = {
1364                                 0x6, 0x5, 0x0, 0x1, 0xFF, 0xFF, 0xFF, 0xFF,
1365                                 0xE, 0xD, 0x8, 0x9, 0xFF, 0xFF, 0xFF, 0xFF,
1366                         };
1367                         senddesc01_w1 = vqtbl1q_u8(senddesc01_w1, shuf_mask5);
1368                         senddesc23_w1 = vqtbl1q_u8(senddesc23_w1, shuf_mask5);
1369
1370                         /* Extract outer and inner header ol_flags */
1371                         const uint64x2_t oi_cksum_mask = {
1372                                 0x1CF0020000000000,
1373                                 0x1CF0020000000000,
1374                         };
1375
1376                         xtmp128 = vandq_u64(xtmp128, oi_cksum_mask);
1377                         ytmp128 = vandq_u64(ytmp128, oi_cksum_mask);
1378
1379                         /* Extract OUTER_UDP_CKSUM bit 41 and
1380                          * move it to bit 61
1381                          */
1382
1383                         xtmp128 = xtmp128 | vshlq_n_u64(xtmp128, 20);
1384                         ytmp128 = ytmp128 | vshlq_n_u64(ytmp128, 20);
1385
1386                         /* Shift right oltype by 2 and iltype by 4
1387                          * to start oltype nibble from BIT(58)
1388                          * instead of BIT(56) and iltype nibble from BIT(48)
1389                          * instead of BIT(52).
1390                          */
1391                         const int8x16_t tshft5 = {
1392                                 8, 8, 8, 8, 8, 8, -4, -2,
1393                                 8, 8, 8, 8, 8, 8, -4, -2,
1394                         };
1395
1396                         xtmp128 = vshlq_u8(xtmp128, tshft5);
1397                         ytmp128 = vshlq_u8(ytmp128, tshft5);
1398                         /*
1399                          * E(32):L3_LEN(8):L2_LEN(8):OL3_LEN(8):OL2_LEN(8)
1400                          * E(32):L3_LEN(8):L2_LEN(8):OL3_LEN(8):OL2_LEN(8)
1401                          */
1402                         const int8x16_t tshft3 = {
1403                                 -1, 0, -1, 0, 0, 0, 0, 0,
1404                                 -1, 0, -1, 0, 0, 0, 0, 0,
1405                         };
1406
1407                         senddesc01_w1 = vshlq_u8(senddesc01_w1, tshft3);
1408                         senddesc23_w1 = vshlq_u8(senddesc23_w1, tshft3);
1409
1410                         /* Mark Bit(4) of oltype */
1411                         const uint64x2_t oi_cksum_mask2 = {
1412                                 0x1000000000000000,
1413                                 0x1000000000000000,
1414                         };
1415
1416                         xtmp128 = vorrq_u64(xtmp128, oi_cksum_mask2);
1417                         ytmp128 = vorrq_u64(ytmp128, oi_cksum_mask2);
1418
1419                         /* Do the lookup */
1420                         ltypes01 = vqtbl2q_u8(tbl, xtmp128);
1421                         ltypes23 = vqtbl2q_u8(tbl, ytmp128);
1422
1423                         /* Pick only relevant fields i.e Bit 48:55 of iltype and
1424                          * Bit 56:63 of oltype and place it in corresponding
1425                          * place in senddesc_w1.
1426                          */
1427                         const uint8x16_t shuf_mask0 = {
1428                                 0xFF, 0xFF, 0xFF, 0xFF, 0x7, 0x6, 0xFF, 0xFF,
1429                                 0xFF, 0xFF, 0xFF, 0xFF, 0xF, 0xE, 0xFF, 0xFF,
1430                         };
1431
1432                         ltypes01 = vqtbl1q_u8(ltypes01, shuf_mask0);
1433                         ltypes23 = vqtbl1q_u8(ltypes23, shuf_mask0);
1434
1435                         /* Prepare l4ptr, l3ptr, ol4ptr, ol3ptr from
1436                          * l3len, l2len, ol3len, ol2len.
1437                          * a [E(32):L3(8):L2(8):OL3(8):OL2(8)]
1438                          * a = a + (a << 8)
1439                          * a [E:(L3+L2):(L2+OL3):(OL3+OL2):OL2]
1440                          * a = a + (a << 16)
1441                          * a [E:(L3+L2+OL3+OL2):(L2+OL3+OL2):(OL3+OL2):OL2]
1442                          * => E(32):IL4PTR(8):IL3PTR(8):OL4PTR(8):OL3PTR(8)
1443                          */
1444                         senddesc01_w1 = vaddq_u8(senddesc01_w1,
1445                                                  vshlq_n_u32(senddesc01_w1, 8));
1446                         senddesc23_w1 = vaddq_u8(senddesc23_w1,
1447                                                  vshlq_n_u32(senddesc23_w1, 8));
1448
1449                         /* Continue preparing l4ptr, l3ptr, ol4ptr, ol3ptr */
1450                         senddesc01_w1 = vaddq_u8(
1451                                 senddesc01_w1, vshlq_n_u32(senddesc01_w1, 16));
1452                         senddesc23_w1 = vaddq_u8(
1453                                 senddesc23_w1, vshlq_n_u32(senddesc23_w1, 16));
1454
1455                         /* Move ltypes to senddesc*_w1 */
1456                         senddesc01_w1 = vorrq_u64(senddesc01_w1, ltypes01);
1457                         senddesc23_w1 = vorrq_u64(senddesc23_w1, ltypes23);
1458                 }
1459
1460                 xmask01 = vdupq_n_u64(0);
1461                 xmask23 = xmask01;
1462                 asm volatile("LD1 {%[a].H}[0],[%[in]]\n\t"
1463                              : [a] "+w"(xmask01)
1464                              : [in] "r"(mbuf0)
1465                              : "memory");
1466
1467                 asm volatile("LD1 {%[a].H}[4],[%[in]]\n\t"
1468                              : [a] "+w"(xmask01)
1469                              : [in] "r"(mbuf1)
1470                              : "memory");
1471
1472                 asm volatile("LD1 {%[b].H}[0],[%[in]]\n\t"
1473                              : [b] "+w"(xmask23)
1474                              : [in] "r"(mbuf2)
1475                              : "memory");
1476
1477                 asm volatile("LD1 {%[b].H}[4],[%[in]]\n\t"
1478                              : [b] "+w"(xmask23)
1479                              : [in] "r"(mbuf3)
1480                              : "memory");
1481                 xmask01 = vshlq_n_u64(xmask01, 20);
1482                 xmask23 = vshlq_n_u64(xmask23, 20);
1483
1484                 senddesc01_w0 = vorrq_u64(senddesc01_w0, xmask01);
1485                 senddesc23_w0 = vorrq_u64(senddesc23_w0, xmask23);
1486
1487                 if (flags & NIX_TX_OFFLOAD_VLAN_QINQ_F) {
1488                         /* Tx ol_flag for vlan. */
1489                         const uint64x2_t olv = {RTE_MBUF_F_TX_VLAN, RTE_MBUF_F_TX_VLAN};
1490                         /* Bit enable for VLAN1 */
1491                         const uint64x2_t mlv = {BIT_ULL(49), BIT_ULL(49)};
1492                         /* Tx ol_flag for QnQ. */
1493                         const uint64x2_t olq = {RTE_MBUF_F_TX_QINQ, RTE_MBUF_F_TX_QINQ};
1494                         /* Bit enable for VLAN0 */
1495                         const uint64x2_t mlq = {BIT_ULL(48), BIT_ULL(48)};
1496                         /* Load vlan values from packet. outer is VLAN 0 */
1497                         uint64x2_t ext01 = {
1498                                 ((uint32_t)tx_pkts[0]->vlan_tci_outer) << 8 |
1499                                         ((uint64_t)tx_pkts[0]->vlan_tci) << 32,
1500                                 ((uint32_t)tx_pkts[1]->vlan_tci_outer) << 8 |
1501                                         ((uint64_t)tx_pkts[1]->vlan_tci) << 32,
1502                         };
1503                         uint64x2_t ext23 = {
1504                                 ((uint32_t)tx_pkts[2]->vlan_tci_outer) << 8 |
1505                                         ((uint64_t)tx_pkts[2]->vlan_tci) << 32,
1506                                 ((uint32_t)tx_pkts[3]->vlan_tci_outer) << 8 |
1507                                         ((uint64_t)tx_pkts[3]->vlan_tci) << 32,
1508                         };
1509
1510                         /* Get ol_flags of the packets. */
1511                         xtmp128 = vzip1q_u64(len_olflags0, len_olflags1);
1512                         ytmp128 = vzip1q_u64(len_olflags2, len_olflags3);
1513
1514                         /* ORR vlan outer/inner values into cmd. */
1515                         sendext01_w1 = vorrq_u64(sendext01_w1, ext01);
1516                         sendext23_w1 = vorrq_u64(sendext23_w1, ext23);
1517
1518                         /* Test for offload enable bits and generate masks. */
1519                         xtmp128 = vorrq_u64(vandq_u64(vtstq_u64(xtmp128, olv),
1520                                                       mlv),
1521                                             vandq_u64(vtstq_u64(xtmp128, olq),
1522                                                       mlq));
1523                         ytmp128 = vorrq_u64(vandq_u64(vtstq_u64(ytmp128, olv),
1524                                                       mlv),
1525                                             vandq_u64(vtstq_u64(ytmp128, olq),
1526                                                       mlq));
1527
1528                         /* Set vlan enable bits into cmd based on mask. */
1529                         sendext01_w1 = vorrq_u64(sendext01_w1, xtmp128);
1530                         sendext23_w1 = vorrq_u64(sendext23_w1, ytmp128);
1531                 }
1532
1533                 if (flags & NIX_TX_OFFLOAD_TSTAMP_F) {
1534                         /* Tx ol_flag for timestam. */
1535                         const uint64x2_t olf = {RTE_MBUF_F_TX_IEEE1588_TMST,
1536                                                 RTE_MBUF_F_TX_IEEE1588_TMST};
1537                         /* Set send mem alg to SUB. */
1538                         const uint64x2_t alg = {BIT_ULL(59), BIT_ULL(59)};
1539                         /* Increment send mem address by 8. */
1540                         const uint64x2_t addr = {0x8, 0x8};
1541
1542                         xtmp128 = vzip1q_u64(len_olflags0, len_olflags1);
1543                         ytmp128 = vzip1q_u64(len_olflags2, len_olflags3);
1544
1545                         /* Check if timestamp is requested and generate inverted
1546                          * mask as we need not make any changes to default cmd
1547                          * value.
1548                          */
1549                         xtmp128 = vmvnq_u32(vtstq_u64(olf, xtmp128));
1550                         ytmp128 = vmvnq_u32(vtstq_u64(olf, ytmp128));
1551
1552                         /* Change send mem address to an 8 byte offset when
1553                          * TSTMP is disabled.
1554                          */
1555                         sendmem01_w1 = vaddq_u64(sendmem01_w1,
1556                                                  vandq_u64(xtmp128, addr));
1557                         sendmem23_w1 = vaddq_u64(sendmem23_w1,
1558                                                  vandq_u64(ytmp128, addr));
1559                         /* Change send mem alg to SUB when TSTMP is disabled. */
1560                         sendmem01_w0 = vorrq_u64(sendmem01_w0,
1561                                                  vandq_u64(xtmp128, alg));
1562                         sendmem23_w0 = vorrq_u64(sendmem23_w0,
1563                                                  vandq_u64(ytmp128, alg));
1564
1565                         cmd3[0] = vzip1q_u64(sendmem01_w0, sendmem01_w1);
1566                         cmd3[1] = vzip2q_u64(sendmem01_w0, sendmem01_w1);
1567                         cmd3[2] = vzip1q_u64(sendmem23_w0, sendmem23_w1);
1568                         cmd3[3] = vzip2q_u64(sendmem23_w0, sendmem23_w1);
1569                 }
1570
1571                 if (flags & NIX_TX_OFFLOAD_TSO_F) {
1572                         uint64_t sx_w0[NIX_DESCS_PER_LOOP];
1573                         uint64_t sd_w1[NIX_DESCS_PER_LOOP];
1574
1575                         /* Extract SD W1 as we need to set L4 types. */
1576                         vst1q_u64(sd_w1, senddesc01_w1);
1577                         vst1q_u64(sd_w1 + 2, senddesc23_w1);
1578
1579                         /* Extract SX W0 as we need to set LSO fields. */
1580                         vst1q_u64(sx_w0, sendext01_w0);
1581                         vst1q_u64(sx_w0 + 2, sendext23_w0);
1582
1583                         /* Extract ol_flags. */
1584                         xtmp128 = vzip1q_u64(len_olflags0, len_olflags1);
1585                         ytmp128 = vzip1q_u64(len_olflags2, len_olflags3);
1586
1587                         /* Prepare individual mbufs. */
1588                         cn9k_nix_prepare_tso(tx_pkts[0],
1589                                 (union nix_send_hdr_w1_u *)&sd_w1[0],
1590                                 (union nix_send_ext_w0_u *)&sx_w0[0],
1591                                 vgetq_lane_u64(xtmp128, 0), flags);
1592
1593                         cn9k_nix_prepare_tso(tx_pkts[1],
1594                                 (union nix_send_hdr_w1_u *)&sd_w1[1],
1595                                 (union nix_send_ext_w0_u *)&sx_w0[1],
1596                                 vgetq_lane_u64(xtmp128, 1), flags);
1597
1598                         cn9k_nix_prepare_tso(tx_pkts[2],
1599                                 (union nix_send_hdr_w1_u *)&sd_w1[2],
1600                                 (union nix_send_ext_w0_u *)&sx_w0[2],
1601                                 vgetq_lane_u64(ytmp128, 0), flags);
1602
1603                         cn9k_nix_prepare_tso(tx_pkts[3],
1604                                 (union nix_send_hdr_w1_u *)&sd_w1[3],
1605                                 (union nix_send_ext_w0_u *)&sx_w0[3],
1606                                 vgetq_lane_u64(ytmp128, 1), flags);
1607
1608                         senddesc01_w1 = vld1q_u64(sd_w1);
1609                         senddesc23_w1 = vld1q_u64(sd_w1 + 2);
1610
1611                         sendext01_w0 = vld1q_u64(sx_w0);
1612                         sendext23_w0 = vld1q_u64(sx_w0 + 2);
1613                 }
1614
1615                 if ((flags & NIX_TX_OFFLOAD_MBUF_NOFF_F) &&
1616                     !(flags & NIX_TX_MULTI_SEG_F)) {
1617                         /* Set don't free bit if reference count > 1 */
1618                         xmask01 = vdupq_n_u64(0);
1619                         xmask23 = xmask01;
1620
1621                         /* Move mbufs to iova */
1622                         mbuf0 = (uint64_t *)tx_pkts[0];
1623                         mbuf1 = (uint64_t *)tx_pkts[1];
1624                         mbuf2 = (uint64_t *)tx_pkts[2];
1625                         mbuf3 = (uint64_t *)tx_pkts[3];
1626
1627                         if (cnxk_nix_prefree_seg((struct rte_mbuf *)mbuf0))
1628                                 vsetq_lane_u64(0x80000, xmask01, 0);
1629                         else
1630                                 RTE_MEMPOOL_CHECK_COOKIES(
1631                                         ((struct rte_mbuf *)mbuf0)->pool,
1632                                         (void **)&mbuf0, 1, 0);
1633
1634                         if (cnxk_nix_prefree_seg((struct rte_mbuf *)mbuf1))
1635                                 vsetq_lane_u64(0x80000, xmask01, 1);
1636                         else
1637                                 RTE_MEMPOOL_CHECK_COOKIES(
1638                                         ((struct rte_mbuf *)mbuf1)->pool,
1639                                         (void **)&mbuf1, 1, 0);
1640
1641                         if (cnxk_nix_prefree_seg((struct rte_mbuf *)mbuf2))
1642                                 vsetq_lane_u64(0x80000, xmask23, 0);
1643                         else
1644                                 RTE_MEMPOOL_CHECK_COOKIES(
1645                                         ((struct rte_mbuf *)mbuf2)->pool,
1646                                         (void **)&mbuf2, 1, 0);
1647
1648                         if (cnxk_nix_prefree_seg((struct rte_mbuf *)mbuf3))
1649                                 vsetq_lane_u64(0x80000, xmask23, 1);
1650                         else
1651                                 RTE_MEMPOOL_CHECK_COOKIES(
1652                                         ((struct rte_mbuf *)mbuf3)->pool,
1653                                         (void **)&mbuf3, 1, 0);
1654                         senddesc01_w0 = vorrq_u64(senddesc01_w0, xmask01);
1655                         senddesc23_w0 = vorrq_u64(senddesc23_w0, xmask23);
1656                         /* Ensuring mbuf fields which got updated in
1657                          * cnxk_nix_prefree_seg are written before LMTST.
1658                          */
1659                         rte_io_wmb();
1660                 } else if (!(flags & NIX_TX_MULTI_SEG_F)) {
1661                         /* Move mbufs to iova */
1662                         mbuf0 = (uint64_t *)tx_pkts[0];
1663                         mbuf1 = (uint64_t *)tx_pkts[1];
1664                         mbuf2 = (uint64_t *)tx_pkts[2];
1665                         mbuf3 = (uint64_t *)tx_pkts[3];
1666
1667                         /* Mark mempool object as "put" since
1668                          * it is freed by NIX
1669                          */
1670                         RTE_MEMPOOL_CHECK_COOKIES(
1671                                 ((struct rte_mbuf *)mbuf0)->pool,
1672                                 (void **)&mbuf0, 1, 0);
1673
1674                         RTE_MEMPOOL_CHECK_COOKIES(
1675                                 ((struct rte_mbuf *)mbuf1)->pool,
1676                                 (void **)&mbuf1, 1, 0);
1677
1678                         RTE_MEMPOOL_CHECK_COOKIES(
1679                                 ((struct rte_mbuf *)mbuf2)->pool,
1680                                 (void **)&mbuf2, 1, 0);
1681
1682                         RTE_MEMPOOL_CHECK_COOKIES(
1683                                 ((struct rte_mbuf *)mbuf3)->pool,
1684                                 (void **)&mbuf3, 1, 0);
1685 #ifdef RTE_LIBRTE_MEMPOOL_DEBUG
1686                         rte_io_wmb();
1687 #endif
1688                 }
1689
1690                 /* Create 4W cmd for 4 mbufs (sendhdr, sgdesc) */
1691                 cmd0[0] = vzip1q_u64(senddesc01_w0, senddesc01_w1);
1692                 cmd0[1] = vzip2q_u64(senddesc01_w0, senddesc01_w1);
1693                 cmd0[2] = vzip1q_u64(senddesc23_w0, senddesc23_w1);
1694                 cmd0[3] = vzip2q_u64(senddesc23_w0, senddesc23_w1);
1695
1696                 cmd1[0] = vzip1q_u64(sgdesc01_w0, sgdesc01_w1);
1697                 cmd1[1] = vzip2q_u64(sgdesc01_w0, sgdesc01_w1);
1698                 cmd1[2] = vzip1q_u64(sgdesc23_w0, sgdesc23_w1);
1699                 cmd1[3] = vzip2q_u64(sgdesc23_w0, sgdesc23_w1);
1700
1701                 if (flags & NIX_TX_NEED_EXT_HDR) {
1702                         cmd2[0] = vzip1q_u64(sendext01_w0, sendext01_w1);
1703                         cmd2[1] = vzip2q_u64(sendext01_w0, sendext01_w1);
1704                         cmd2[2] = vzip1q_u64(sendext23_w0, sendext23_w1);
1705                         cmd2[3] = vzip2q_u64(sendext23_w0, sendext23_w1);
1706                 }
1707
1708                 if (flags & NIX_TX_MULTI_SEG_F) {
1709                         uint64_t seg_list[NIX_DESCS_PER_LOOP]
1710                                          [CNXK_NIX_TX_MSEG_SG_DWORDS - 2];
1711                         uint8_t j, segdw[NIX_DESCS_PER_LOOP + 1];
1712
1713                         /* Build mseg list for each packet individually. */
1714                         for (j = 0; j < NIX_DESCS_PER_LOOP; j++)
1715                                 segdw[j] = cn9k_nix_prepare_mseg_vec(tx_pkts[j],
1716                                                         seg_list[j], &cmd0[j],
1717                                                         &cmd1[j], flags);
1718                         segdw[4] = 8;
1719
1720                         /* Commit all changes to mbuf before LMTST. */
1721                         if (flags & NIX_TX_OFFLOAD_MBUF_NOFF_F)
1722                                 rte_io_wmb();
1723
1724                         cn9k_nix_xmit_pkts_mseg_vector(cmd0, cmd1, cmd2, cmd3,
1725                                                        segdw, seg_list,
1726                                                        lmt_addr, io_addr,
1727                                                        flags);
1728                 } else if (flags & NIX_TX_NEED_EXT_HDR) {
1729                         /* With ext header in the command we can no longer send
1730                          * all 4 packets together since LMTLINE is 128bytes.
1731                          * Split and Tx twice.
1732                          */
1733                         do {
1734                                 if (flags & NIX_TX_OFFLOAD_TSTAMP_F) {
1735                                         vst1q_u64(lmt_addr, cmd0[0]);
1736                                         vst1q_u64(lmt_addr + 2, cmd2[0]);
1737                                         vst1q_u64(lmt_addr + 4, cmd1[0]);
1738                                         vst1q_u64(lmt_addr + 6, cmd3[0]);
1739                                         vst1q_u64(lmt_addr + 8, cmd0[1]);
1740                                         vst1q_u64(lmt_addr + 10, cmd2[1]);
1741                                         vst1q_u64(lmt_addr + 12, cmd1[1]);
1742                                         vst1q_u64(lmt_addr + 14, cmd3[1]);
1743                                 } else {
1744                                         vst1q_u64(lmt_addr, cmd0[0]);
1745                                         vst1q_u64(lmt_addr + 2, cmd2[0]);
1746                                         vst1q_u64(lmt_addr + 4, cmd1[0]);
1747                                         vst1q_u64(lmt_addr + 6, cmd0[1]);
1748                                         vst1q_u64(lmt_addr + 8, cmd2[1]);
1749                                         vst1q_u64(lmt_addr + 10, cmd1[1]);
1750                                 }
1751                                 lmt_status = roc_lmt_submit_ldeor(io_addr);
1752                         } while (lmt_status == 0);
1753
1754                         do {
1755                                 if (flags & NIX_TX_OFFLOAD_TSTAMP_F) {
1756                                         vst1q_u64(lmt_addr, cmd0[2]);
1757                                         vst1q_u64(lmt_addr + 2, cmd2[2]);
1758                                         vst1q_u64(lmt_addr + 4, cmd1[2]);
1759                                         vst1q_u64(lmt_addr + 6, cmd3[2]);
1760                                         vst1q_u64(lmt_addr + 8, cmd0[3]);
1761                                         vst1q_u64(lmt_addr + 10, cmd2[3]);
1762                                         vst1q_u64(lmt_addr + 12, cmd1[3]);
1763                                         vst1q_u64(lmt_addr + 14, cmd3[3]);
1764                                 } else {
1765                                         vst1q_u64(lmt_addr, cmd0[2]);
1766                                         vst1q_u64(lmt_addr + 2, cmd2[2]);
1767                                         vst1q_u64(lmt_addr + 4, cmd1[2]);
1768                                         vst1q_u64(lmt_addr + 6, cmd0[3]);
1769                                         vst1q_u64(lmt_addr + 8, cmd2[3]);
1770                                         vst1q_u64(lmt_addr + 10, cmd1[3]);
1771                                 }
1772                                 lmt_status = roc_lmt_submit_ldeor(io_addr);
1773                         } while (lmt_status == 0);
1774                 } else {
1775                         do {
1776                                 vst1q_u64(lmt_addr, cmd0[0]);
1777                                 vst1q_u64(lmt_addr + 2, cmd1[0]);
1778                                 vst1q_u64(lmt_addr + 4, cmd0[1]);
1779                                 vst1q_u64(lmt_addr + 6, cmd1[1]);
1780                                 vst1q_u64(lmt_addr + 8, cmd0[2]);
1781                                 vst1q_u64(lmt_addr + 10, cmd1[2]);
1782                                 vst1q_u64(lmt_addr + 12, cmd0[3]);
1783                                 vst1q_u64(lmt_addr + 14, cmd1[3]);
1784                                 lmt_status = roc_lmt_submit_ldeor(io_addr);
1785                         } while (lmt_status == 0);
1786                 }
1787                 tx_pkts = tx_pkts + NIX_DESCS_PER_LOOP;
1788         }
1789
1790         if (unlikely(pkts_left)) {
1791                 if (flags & NIX_TX_MULTI_SEG_F)
1792                         pkts += cn9k_nix_xmit_pkts_mseg(tx_queue, tx_pkts,
1793                                                         pkts_left, cmd, flags);
1794                 else
1795                         pkts += cn9k_nix_xmit_pkts(tx_queue, tx_pkts, pkts_left,
1796                                                    cmd, flags);
1797         }
1798
1799         return pkts;
1800 }
1801
1802 #else
1803 static __rte_always_inline uint16_t
1804 cn9k_nix_xmit_pkts_vector(void *tx_queue, struct rte_mbuf **tx_pkts,
1805                           uint16_t pkts, uint64_t *cmd, const uint16_t flags)
1806 {
1807         RTE_SET_USED(tx_queue);
1808         RTE_SET_USED(tx_pkts);
1809         RTE_SET_USED(pkts);
1810         RTE_SET_USED(cmd);
1811         RTE_SET_USED(flags);
1812         return 0;
1813 }
1814 #endif
1815
1816 #define L3L4CSUM_F   NIX_TX_OFFLOAD_L3_L4_CSUM_F
1817 #define OL3OL4CSUM_F NIX_TX_OFFLOAD_OL3_OL4_CSUM_F
1818 #define VLAN_F       NIX_TX_OFFLOAD_VLAN_QINQ_F
1819 #define NOFF_F       NIX_TX_OFFLOAD_MBUF_NOFF_F
1820 #define TSO_F        NIX_TX_OFFLOAD_TSO_F
1821 #define TSP_F        NIX_TX_OFFLOAD_TSTAMP_F
1822 #define T_SEC_F      NIX_TX_OFFLOAD_SECURITY_F
1823
1824 /* [T_SEC_F] [TSP] [TSO] [NOFF] [VLAN] [OL3OL4CSUM] [L3L4CSUM] */
1825 #define NIX_TX_FASTPATH_MODES                                           \
1826 T(no_offload,                           0, 0, 0, 0, 0, 0, 0,    4,      \
1827                 NIX_TX_OFFLOAD_NONE)                                    \
1828 T(l3l4csum,                             0, 0, 0, 0, 0, 0, 1,    4,      \
1829                 L3L4CSUM_F)                                             \
1830 T(ol3ol4csum,                           0, 0, 0, 0, 0, 1, 0,    4,      \
1831                 OL3OL4CSUM_F)                                           \
1832 T(ol3ol4csum_l3l4csum,                  0, 0, 0, 0, 0, 1, 1,    4,      \
1833                 OL3OL4CSUM_F | L3L4CSUM_F)                              \
1834 T(vlan,                                 0, 0, 0, 0, 1, 0, 0,    6,      \
1835                 VLAN_F)                                                 \
1836 T(vlan_l3l4csum,                        0, 0, 0, 0, 1, 0, 1,    6,      \
1837                 VLAN_F | L3L4CSUM_F)                                    \
1838 T(vlan_ol3ol4csum,                      0, 0, 0, 0, 1, 1, 0,    6,      \
1839                 VLAN_F | OL3OL4CSUM_F)                                  \
1840 T(vlan_ol3ol4csum_l3l4csum,             0, 0, 0, 0, 1, 1, 1,    6,      \
1841                 VLAN_F | OL3OL4CSUM_F | L3L4CSUM_F)                     \
1842 T(noff,                                 0, 0, 0, 1, 0, 0, 0,    4,      \
1843                 NOFF_F)                                                 \
1844 T(noff_l3l4csum,                        0, 0, 0, 1, 0, 0, 1,    4,      \
1845                 NOFF_F | L3L4CSUM_F)                                    \
1846 T(noff_ol3ol4csum,                      0, 0, 0, 1, 0, 1, 0,    4,      \
1847                 NOFF_F | OL3OL4CSUM_F)                                  \
1848 T(noff_ol3ol4csum_l3l4csum,             0, 0, 0, 1, 0, 1, 1,    4,      \
1849                 NOFF_F | OL3OL4CSUM_F | L3L4CSUM_F)                     \
1850 T(noff_vlan,                            0, 0, 0, 1, 1, 0, 0,    6,      \
1851                 NOFF_F | VLAN_F)                                        \
1852 T(noff_vlan_l3l4csum,                   0, 0, 0, 1, 1, 0, 1,    6,      \
1853                 NOFF_F | VLAN_F | L3L4CSUM_F)                           \
1854 T(noff_vlan_ol3ol4csum,                 0, 0, 0, 1, 1, 1, 0,    6,      \
1855                 NOFF_F | VLAN_F | OL3OL4CSUM_F)                         \
1856 T(noff_vlan_ol3ol4csum_l3l4csum,        0, 0, 0, 1, 1, 1, 1,    6,      \
1857                 NOFF_F | VLAN_F | OL3OL4CSUM_F | L3L4CSUM_F)            \
1858 T(tso,                                  0, 0, 1, 0, 0, 0, 0,    6,      \
1859                 TSO_F)                                                  \
1860 T(tso_l3l4csum,                         0, 0, 1, 0, 0, 0, 1,    6,      \
1861                 TSO_F | L3L4CSUM_F)                                     \
1862 T(tso_ol3ol4csum,                       0, 0, 1, 0, 0, 1, 0,    6,      \
1863                 TSO_F | OL3OL4CSUM_F)                                   \
1864 T(tso_ol3ol4csum_l3l4csum,              0, 0, 1, 0, 0, 1, 1,    6,      \
1865                 TSO_F | OL3OL4CSUM_F | L3L4CSUM_F)                      \
1866 T(tso_vlan,                             0, 0, 1, 0, 1, 0, 0,    6,      \
1867                 TSO_F | VLAN_F)                                         \
1868 T(tso_vlan_l3l4csum,                    0, 0, 1, 0, 1, 0, 1,    6,      \
1869                 TSO_F | VLAN_F | L3L4CSUM_F)                            \
1870 T(tso_vlan_ol3ol4csum,                  0, 0, 1, 0, 1, 1, 0,    6,      \
1871                 TSO_F | VLAN_F | OL3OL4CSUM_F)                          \
1872 T(tso_vlan_ol3ol4csum_l3l4csum,         0, 0, 1, 0, 1, 1, 1,    6,      \
1873                 TSO_F | VLAN_F | OL3OL4CSUM_F | L3L4CSUM_F)             \
1874 T(tso_noff,                             0, 0, 1, 1, 0, 0, 0,    6,      \
1875                 TSO_F | NOFF_F)                                         \
1876 T(tso_noff_l3l4csum,                    0, 0, 1, 1, 0, 0, 1,    6,      \
1877                 TSO_F | NOFF_F | L3L4CSUM_F)                            \
1878 T(tso_noff_ol3ol4csum,                  0, 0, 1, 1, 0, 1, 0,    6,      \
1879                 TSO_F | NOFF_F | OL3OL4CSUM_F)                          \
1880 T(tso_noff_ol3ol4csum_l3l4csum,         0, 0, 1, 1, 0, 1, 1,    6,      \
1881                 TSO_F | NOFF_F | OL3OL4CSUM_F | L3L4CSUM_F)             \
1882 T(tso_noff_vlan,                        0, 0, 1, 1, 1, 0, 0,    6,      \
1883                 TSO_F | NOFF_F | VLAN_F)                                \
1884 T(tso_noff_vlan_l3l4csum,               0, 0, 1, 1, 1, 0, 1,    6,      \
1885                 TSO_F | NOFF_F | VLAN_F | L3L4CSUM_F)                   \
1886 T(tso_noff_vlan_ol3ol4csum,             0, 0, 1, 1, 1, 1, 0,    6,      \
1887                 TSO_F | NOFF_F | VLAN_F | OL3OL4CSUM_F)                 \
1888 T(tso_noff_vlan_ol3ol4csum_l3l4csum,    0, 0, 1, 1, 1, 1, 1,    6,      \
1889                 TSO_F | NOFF_F | VLAN_F | OL3OL4CSUM_F | L3L4CSUM_F)    \
1890 T(ts,                                   0, 1, 0, 0, 0, 0, 0,    8,      \
1891                 TSP_F)                                                  \
1892 T(ts_l3l4csum,                          0, 1, 0, 0, 0, 0, 1,    8,      \
1893                 TSP_F | L3L4CSUM_F)                                     \
1894 T(ts_ol3ol4csum,                        0, 1, 0, 0, 0, 1, 0,    8,      \
1895                 TSP_F | OL3OL4CSUM_F)                                   \
1896 T(ts_ol3ol4csum_l3l4csum,               0, 1, 0, 0, 0, 1, 1,    8,      \
1897                 TSP_F | OL3OL4CSUM_F | L3L4CSUM_F)                      \
1898 T(ts_vlan,                              0, 1, 0, 0, 1, 0, 0,    8,      \
1899                 TSP_F | VLAN_F)                                         \
1900 T(ts_vlan_l3l4csum,                     0, 1, 0, 0, 1, 0, 1,    8,      \
1901                 TSP_F | VLAN_F | L3L4CSUM_F)                            \
1902 T(ts_vlan_ol3ol4csum,                   0, 1, 0, 0, 1, 1, 0,    8,      \
1903                 TSP_F | VLAN_F | OL3OL4CSUM_F)                          \
1904 T(ts_vlan_ol3ol4csum_l3l4csum,          0, 1, 0, 0, 1, 1, 1,    8,      \
1905                 TSP_F | VLAN_F | OL3OL4CSUM_F | L3L4CSUM_F)             \
1906 T(ts_noff,                              0, 1, 0, 1, 0, 0, 0,    8,      \
1907                 TSP_F | NOFF_F)                                         \
1908 T(ts_noff_l3l4csum,                     0, 1, 0, 1, 0, 0, 1,    8,      \
1909                 TSP_F | NOFF_F | L3L4CSUM_F)                            \
1910 T(ts_noff_ol3ol4csum,                   0, 1, 0, 1, 0, 1, 0,    8,      \
1911                 TSP_F | NOFF_F | OL3OL4CSUM_F)                          \
1912 T(ts_noff_ol3ol4csum_l3l4csum,          0, 1, 0, 1, 0, 1, 1,    8,      \
1913                 TSP_F | NOFF_F | OL3OL4CSUM_F | L3L4CSUM_F)             \
1914 T(ts_noff_vlan,                         0, 1, 0, 1, 1, 0, 0,    8,      \
1915                 TSP_F | NOFF_F | VLAN_F)                                \
1916 T(ts_noff_vlan_l3l4csum,                0, 1, 0, 1, 1, 0, 1,    8,      \
1917                 TSP_F | NOFF_F | VLAN_F | L3L4CSUM_F)                   \
1918 T(ts_noff_vlan_ol3ol4csum,              0, 1, 0, 1, 1, 1, 0,    8,      \
1919                 TSP_F | NOFF_F | VLAN_F | OL3OL4CSUM_F)                 \
1920 T(ts_noff_vlan_ol3ol4csum_l3l4csum,     0, 1, 0, 1, 1, 1, 1,    8,      \
1921                 TSP_F | NOFF_F | VLAN_F | OL3OL4CSUM_F | L3L4CSUM_F)    \
1922 T(ts_tso,                               0, 1, 1, 0, 0, 0, 0,    8,      \
1923                 TSP_F | TSO_F)                                          \
1924 T(ts_tso_l3l4csum,                      0, 1, 1, 0, 0, 0, 1,    8,      \
1925                 TSP_F | TSO_F | L3L4CSUM_F)                             \
1926 T(ts_tso_ol3ol4csum,                    0, 1, 1, 0, 0, 1, 0,    8,      \
1927                 TSP_F | TSO_F | OL3OL4CSUM_F)                           \
1928 T(ts_tso_ol3ol4csum_l3l4csum,           0, 1, 1, 0, 0, 1, 1,    8,      \
1929                 TSP_F | TSO_F | OL3OL4CSUM_F | L3L4CSUM_F)              \
1930 T(ts_tso_vlan,                          0, 1, 1, 0, 1, 0, 0,    8,      \
1931                 TSP_F | TSO_F | VLAN_F)                                 \
1932 T(ts_tso_vlan_l3l4csum,                 0, 1, 1, 0, 1, 0, 1,    8,      \
1933                 TSP_F | TSO_F | VLAN_F | L3L4CSUM_F)                    \
1934 T(ts_tso_vlan_ol3ol4csum,               0, 1, 1, 0, 1, 1, 0,    8,      \
1935                 TSP_F | TSO_F | VLAN_F | OL3OL4CSUM_F)                  \
1936 T(ts_tso_vlan_ol3ol4csum_l3l4csum,      0, 1, 1, 0, 1, 1, 1,    8,      \
1937                 TSP_F | TSO_F | VLAN_F | OL3OL4CSUM_F | L3L4CSUM_F)     \
1938 T(ts_tso_noff,                          0, 1, 1, 1, 0, 0, 0,    8,      \
1939                 TSP_F | TSO_F | NOFF_F)                                 \
1940 T(ts_tso_noff_l3l4csum,                 0, 1, 1, 1, 0, 0, 1,    8,      \
1941                 TSP_F | TSO_F | NOFF_F | L3L4CSUM_F)                    \
1942 T(ts_tso_noff_ol3ol4csum,               0, 1, 1, 1, 0, 1, 0,    8,      \
1943                 TSP_F | TSO_F | NOFF_F | OL3OL4CSUM_F)                  \
1944 T(ts_tso_noff_ol3ol4csum_l3l4csum,      0, 1, 1, 1, 0, 1, 1,    8,      \
1945                 TSP_F | TSO_F | NOFF_F | OL3OL4CSUM_F | L3L4CSUM_F)     \
1946 T(ts_tso_noff_vlan,                     0, 1, 1, 1, 1, 0, 0,    8,      \
1947                 TSP_F | TSO_F | NOFF_F | VLAN_F)                        \
1948 T(ts_tso_noff_vlan_l3l4csum,            0, 1, 1, 1, 1, 0, 1,    8,      \
1949                 TSP_F | TSO_F | NOFF_F | VLAN_F | L3L4CSUM_F)           \
1950 T(ts_tso_noff_vlan_ol3ol4csum,          0, 1, 1, 1, 1, 1, 0,    8,      \
1951                 TSP_F | TSO_F | NOFF_F | VLAN_F | OL3OL4CSUM_F)         \
1952 T(ts_tso_noff_vlan_ol3ol4csum_l3l4csum, 0, 1, 1, 1, 1, 1, 1,    8,      \
1953                 TSP_F | TSO_F | NOFF_F | VLAN_F | OL3OL4CSUM_F | L3L4CSUM_F)\
1954 T(sec,                                  1, 0, 0, 0, 0, 0, 0,    4,      \
1955                 T_SEC_F)                                                \
1956 T(sec_l3l4csum,                         1, 0, 0, 0, 0, 0, 1,    4,      \
1957                 T_SEC_F | L3L4CSUM_F)                                   \
1958 T(sec_ol3ol4csum,                       1, 0, 0, 0, 0, 1, 0,    4,      \
1959                 T_SEC_F | OL3OL4CSUM_F)                                 \
1960 T(sec_ol3ol4csum_l3l4csum,              1, 0, 0, 0, 0, 1, 1,    4,      \
1961                 T_SEC_F | OL3OL4CSUM_F | L3L4CSUM_F)                    \
1962 T(sec_vlan,                             1, 0, 0, 0, 1, 0, 0,    6,      \
1963                 T_SEC_F | VLAN_F)                                       \
1964 T(sec_vlan_l3l4csum,                    1, 0, 0, 0, 1, 0, 1,    6,      \
1965                 T_SEC_F | VLAN_F | L3L4CSUM_F)                          \
1966 T(sec_vlan_ol3ol4csum,                  1, 0, 0, 0, 1, 1, 0,    6,      \
1967                 T_SEC_F | VLAN_F | OL3OL4CSUM_F)                        \
1968 T(sec_vlan_ol3ol4csum_l3l4csum,         1, 0, 0, 0, 1, 1, 1,    6,      \
1969                 T_SEC_F | VLAN_F | OL3OL4CSUM_F |       L3L4CSUM_F)     \
1970 T(sec_noff,                             1, 0, 0, 1, 0, 0, 0,    4,      \
1971                 T_SEC_F | NOFF_F)                                       \
1972 T(sec_noff_l3l4csum,                    1, 0, 0, 1, 0, 0, 1,    4,      \
1973                 T_SEC_F | NOFF_F | L3L4CSUM_F)                          \
1974 T(sec_noff_ol3ol4csum,                  1, 0, 0, 1, 0, 1, 0,    4,      \
1975                 T_SEC_F | NOFF_F | OL3OL4CSUM_F)                        \
1976 T(sec_noff_ol3ol4csum_l3l4csum,         1, 0, 0, 1, 0, 1, 1,    4,      \
1977                 T_SEC_F | NOFF_F | OL3OL4CSUM_F |       L3L4CSUM_F)     \
1978 T(sec_noff_vlan,                        1, 0, 0, 1, 1, 0, 0,    6,      \
1979                 T_SEC_F | NOFF_F | VLAN_F)                              \
1980 T(sec_noff_vlan_l3l4csum,               1, 0, 0, 1, 1, 0, 1,    6,      \
1981                 T_SEC_F | NOFF_F | VLAN_F | L3L4CSUM_F)                 \
1982 T(sec_noff_vlan_ol3ol4csum,             1, 0, 0, 1, 1, 1, 0,    6,      \
1983                 T_SEC_F | NOFF_F | VLAN_F | OL3OL4CSUM_F)               \
1984 T(sec_noff_vlan_ol3ol4csum_l3l4csum,    1, 0, 0, 1, 1, 1, 1,    6,      \
1985                 T_SEC_F | NOFF_F | VLAN_F | OL3OL4CSUM_F | L3L4CSUM_F)  \
1986 T(sec_tso,                              1, 0, 1, 0, 0, 0, 0,    6,      \
1987                 T_SEC_F | TSO_F)                                        \
1988 T(sec_tso_l3l4csum,                     1, 0, 1, 0, 0, 0, 1,    6,      \
1989                 T_SEC_F | TSO_F | L3L4CSUM_F)                           \
1990 T(sec_tso_ol3ol4csum,                   1, 0, 1, 0, 0, 1, 0,    6,      \
1991                 T_SEC_F | TSO_F | OL3OL4CSUM_F)                         \
1992 T(sec_tso_ol3ol4csum_l3l4csum,          1, 0, 1, 0, 0, 1, 1,    6,      \
1993                 T_SEC_F | TSO_F | OL3OL4CSUM_F | L3L4CSUM_F)            \
1994 T(sec_tso_vlan,                         1, 0, 1, 0, 1, 0, 0,    6,      \
1995                 T_SEC_F | TSO_F | VLAN_F)                               \
1996 T(sec_tso_vlan_l3l4csum,                1, 0, 1, 0, 1, 0, 1,    6,      \
1997                 T_SEC_F | TSO_F | VLAN_F | L3L4CSUM_F)                  \
1998 T(sec_tso_vlan_ol3ol4csum,              1, 0, 1, 0, 1, 1, 0,    6,      \
1999                 T_SEC_F | TSO_F | VLAN_F | OL3OL4CSUM_F)                \
2000 T(sec_tso_vlan_ol3ol4csum_l3l4csum,     1, 0, 1, 0, 1, 1, 1,    6,      \
2001                 T_SEC_F | TSO_F | VLAN_F | OL3OL4CSUM_F | L3L4CSUM_F)   \
2002 T(sec_tso_noff,                         1, 0, 1, 1, 0, 0, 0,    6,      \
2003                 T_SEC_F | TSO_F | NOFF_F)                               \
2004 T(sec_tso_noff_l3l4csum,                1, 0, 1, 1, 0, 0, 1,    6,      \
2005                 T_SEC_F | TSO_F | NOFF_F | L3L4CSUM_F)                  \
2006 T(sec_tso_noff_ol3ol4csum,              1, 0, 1, 1, 0, 1, 0,    6,      \
2007                 T_SEC_F | TSO_F | NOFF_F | OL3OL4CSUM_F)                \
2008 T(sec_tso_noff_ol3ol4csum_l3l4csum,     1, 0, 1, 1, 0, 1, 1,    6,      \
2009                 T_SEC_F | TSO_F | NOFF_F | OL3OL4CSUM_F | L3L4CSUM_F)   \
2010 T(sec_tso_noff_vlan,                    1, 0, 1, 1, 1, 0, 0,    6,      \
2011                 T_SEC_F | TSO_F | NOFF_F | VLAN_F)                      \
2012 T(sec_tso_noff_vlan_l3l4csum,           1, 0, 1, 1, 1, 0, 1,    6,      \
2013                 T_SEC_F | TSO_F | NOFF_F | VLAN_F | L3L4CSUM_F)         \
2014 T(sec_tso_noff_vlan_ol3ol4csum,         1, 0, 1, 1, 1, 1, 0,    6,      \
2015                 T_SEC_F | TSO_F | NOFF_F | VLAN_F | OL3OL4CSUM_F)       \
2016 T(sec_tso_noff_vlan_ol3ol4csum_l3l4csum, 1, 0, 1, 1, 1, 1, 1,   6,      \
2017                 T_SEC_F | TSO_F | NOFF_F | VLAN_F | OL3OL4CSUM_F | L3L4CSUM_F)\
2018 T(sec_ts,                               1, 1, 0, 0, 0, 0, 0,    8,      \
2019                 T_SEC_F | TSP_F)                                        \
2020 T(sec_ts_l3l4csum,                      1, 1, 0, 0, 0, 0, 1,    8,      \
2021                 T_SEC_F | TSP_F | L3L4CSUM_F)                           \
2022 T(sec_ts_ol3ol4csum,                    1, 1, 0, 0, 0, 1, 0,    8,      \
2023                 T_SEC_F | TSP_F | OL3OL4CSUM_F)                         \
2024 T(sec_ts_ol3ol4csum_l3l4csum,           1, 1, 0, 0, 0, 1, 1,    8,      \
2025                 T_SEC_F | TSP_F | OL3OL4CSUM_F | L3L4CSUM_F)            \
2026 T(sec_ts_vlan,                          1, 1, 0, 0, 1, 0, 0,    8,      \
2027                 T_SEC_F | TSP_F | VLAN_F)                               \
2028 T(sec_ts_vlan_l3l4csum,                 1, 1, 0, 0, 1, 0, 1,    8,      \
2029                 T_SEC_F | TSP_F | VLAN_F | L3L4CSUM_F)                  \
2030 T(sec_ts_vlan_ol3ol4csum,               1, 1, 0, 0, 1, 1, 0,    8,      \
2031                 T_SEC_F | TSP_F | VLAN_F | OL3OL4CSUM_F)                \
2032 T(sec_ts_vlan_ol3ol4csum_l3l4csum,      1, 1, 0, 0, 1, 1, 1,    8,      \
2033                 T_SEC_F | TSP_F | VLAN_F | OL3OL4CSUM_F | L3L4CSUM_F)   \
2034 T(sec_ts_noff,                          1, 1, 0, 1, 0, 0, 0,    8,      \
2035                 T_SEC_F | TSP_F | NOFF_F)                               \
2036 T(sec_ts_noff_l3l4csum,                 1, 1, 0, 1, 0, 0, 1,    8,      \
2037                 T_SEC_F | TSP_F | NOFF_F | L3L4CSUM_F)                  \
2038 T(sec_ts_noff_ol3ol4csum,               1, 1, 0, 1, 0, 1, 0,    8,      \
2039                 T_SEC_F | TSP_F | NOFF_F | OL3OL4CSUM_F)                \
2040 T(sec_ts_noff_ol3ol4csum_l3l4csum,      1, 1, 0, 1, 0, 1, 1,    8,      \
2041                 T_SEC_F | TSP_F | NOFF_F | OL3OL4CSUM_F | L3L4CSUM_F)   \
2042 T(sec_ts_noff_vlan,                     1, 1, 0, 1, 1, 0, 0,    8,      \
2043                 T_SEC_F | TSP_F | NOFF_F | VLAN_F)                      \
2044 T(sec_ts_noff_vlan_l3l4csum,            1, 1, 0, 1, 1, 0, 1,    8,      \
2045                 T_SEC_F | TSP_F | NOFF_F | VLAN_F | L3L4CSUM_F)         \
2046 T(sec_ts_noff_vlan_ol3ol4csum,          1, 1, 0, 1, 1, 1, 0,    8,      \
2047                 T_SEC_F | TSP_F | NOFF_F | VLAN_F | OL3OL4CSUM_F)       \
2048 T(sec_ts_noff_vlan_ol3ol4csum_l3l4csum, 1, 1, 0, 1, 1, 1, 1,    8,      \
2049                 T_SEC_F | TSP_F | NOFF_F | VLAN_F | OL3OL4CSUM_F | L3L4CSUM_F)\
2050 T(sec_ts_tso,                           1, 1, 1, 0, 0, 0, 0,    8,      \
2051                 T_SEC_F | TSP_F | TSO_F)                                \
2052 T(sec_ts_tso_l3l4csum,                  1, 1, 1, 0, 0, 0, 1,    8,      \
2053                 T_SEC_F | TSP_F | TSO_F | L3L4CSUM_F)                   \
2054 T(sec_ts_tso_ol3ol4csum,                1, 1, 1, 0, 0, 1, 0,    8,      \
2055                 T_SEC_F | TSP_F | TSO_F | OL3OL4CSUM_F)                 \
2056 T(sec_ts_tso_ol3ol4csum_l3l4csum,       1, 1, 1, 0, 0, 1, 1,    8,      \
2057                 T_SEC_F | TSP_F | TSO_F | OL3OL4CSUM_F | L3L4CSUM_F)    \
2058 T(sec_ts_tso_vlan,                      1, 1, 1, 0, 1, 0, 0,    8,      \
2059                 T_SEC_F | TSP_F | TSO_F | VLAN_F)                       \
2060 T(sec_ts_tso_vlan_l3l4csum,             1, 1, 1, 0, 1, 0, 1,    8,      \
2061                 T_SEC_F | TSP_F | TSO_F | VLAN_F | L3L4CSUM_F)          \
2062 T(sec_ts_tso_vlan_ol3ol4csum,           1, 1, 1, 0, 1, 1, 0,    8,      \
2063                 T_SEC_F | TSP_F | TSO_F | VLAN_F | OL3OL4CSUM_F)        \
2064 T(sec_ts_tso_vlan_ol3ol4csum_l3l4csum,  1, 1, 1, 0, 1, 1, 1,    8,      \
2065                 T_SEC_F | TSP_F | TSO_F | VLAN_F | OL3OL4CSUM_F | L3L4CSUM_F) \
2066 T(sec_ts_tso_noff,                      1, 1, 1, 1, 0, 0, 0,    8,      \
2067                 T_SEC_F | TSP_F | TSO_F | NOFF_F)                       \
2068 T(sec_ts_tso_noff_l3l4csum,             1, 1, 1, 1, 0, 0, 1,    8,      \
2069                 T_SEC_F | TSP_F | TSO_F | NOFF_F | L3L4CSUM_F)          \
2070 T(sec_ts_tso_noff_ol3ol4csum,           1, 1, 1, 1, 0, 1, 0,    8,      \
2071                 T_SEC_F | TSP_F | TSO_F | NOFF_F | OL3OL4CSUM_F)        \
2072 T(sec_ts_tso_noff_ol3ol4csum_l3l4csum,  1, 1, 1, 1, 0, 1, 1,    8,      \
2073                 T_SEC_F | TSP_F | TSO_F | NOFF_F | OL3OL4CSUM_F | L3L4CSUM_F) \
2074 T(sec_ts_tso_noff_vlan,                 1, 1, 1, 1, 1, 0, 0,    8,      \
2075                 T_SEC_F | TSP_F | TSO_F | NOFF_F | VLAN_F)              \
2076 T(sec_ts_tso_noff_vlan_l3l4csum,        1, 1, 1, 1, 1, 0, 1,    8,      \
2077                 T_SEC_F | TSP_F | TSO_F | NOFF_F | VLAN_F | L3L4CSUM_F) \
2078 T(sec_ts_tso_noff_vlan_ol3ol4csum,      1, 1, 1, 1, 1, 1, 0,    8,      \
2079                 T_SEC_F | TSP_F | TSO_F | NOFF_F | VLAN_F | OL3OL4CSUM_F)\
2080 T(sec_ts_tso_noff_vlan_ol3ol4csum_l3l4csum, 1, 1, 1, 1, 1, 1, 1, 8,     \
2081                 T_SEC_F | TSP_F | TSO_F | NOFF_F | VLAN_F | OL3OL4CSUM_F | \
2082                 L3L4CSUM_F)
2083
2084 #define T(name, f6, f5, f4, f3, f2, f1, f0, sz, flags)                         \
2085         uint16_t __rte_noinline __rte_hot cn9k_nix_xmit_pkts_##name(           \
2086                 void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t pkts);     \
2087                                                                                \
2088         uint16_t __rte_noinline __rte_hot cn9k_nix_xmit_pkts_mseg_##name(      \
2089                 void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t pkts);     \
2090                                                                                \
2091         uint16_t __rte_noinline __rte_hot cn9k_nix_xmit_pkts_vec_##name(       \
2092                 void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t pkts);     \
2093                                                                                \
2094         uint16_t __rte_noinline __rte_hot cn9k_nix_xmit_pkts_vec_mseg_##name(  \
2095                 void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t pkts);
2096
2097 NIX_TX_FASTPATH_MODES
2098 #undef T
2099
2100 #endif /* __CN9K_TX_H__ */