drivers/event/cnxk/cn9k_worker.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(C) 2021 Marvell.
   3  */
   4
   5 #ifndef __CN9K_WORKER_H__
   6 #define __CN9K_WORKER_H__
   7
   8 #include <rte_eventdev.h>
   9 #include <rte_vect.h>
  10
  11 #include "cnxk_ethdev.h"
  12 #include "cnxk_eventdev.h"
  13 #include "cnxk_worker.h"
  14 #include "cn9k_cryptodev_ops.h"
  15
  16 #include "cn9k_ethdev.h"
  17 #include "cn9k_rx.h"
  18 #include "cn9k_tx.h"
  19
  20 /* SSO Operations */
  21
  22 static __rte_always_inline uint8_t
  23 cn9k_sso_hws_new_event(struct cn9k_sso_hws *ws, const struct rte_event *ev)
  24 {
  25         const uint32_t tag = (uint32_t)ev->event;
  26         const uint8_t new_tt = ev->sched_type;
  27         const uint64_t event_ptr = ev->u64;
  28         const uint16_t grp = ev->queue_id;
  29
  30         rte_atomic_thread_fence(__ATOMIC_ACQ_REL);
  31         if (ws->xaq_lmt <= *ws->fc_mem)
  32                 return 0;
  33
  34         cnxk_sso_hws_add_work(event_ptr, tag, new_tt,
  35                               ws->grp_base + (grp << 12));
  36         return 1;
  37 }
  38
  39 static __rte_always_inline void
  40 cn9k_sso_hws_fwd_swtag(uint64_t base, const struct rte_event *ev)
  41 {
  42         const uint32_t tag = (uint32_t)ev->event;
  43         const uint8_t new_tt = ev->sched_type;
  44         const uint8_t cur_tt =
  45                 CNXK_TT_FROM_TAG(plt_read64(base + SSOW_LF_GWS_TAG));
  46
  47         /* CNXK model
  48          * cur_tt/new_tt     SSO_TT_ORDERED SSO_TT_ATOMIC SSO_TT_UNTAGGED
  49          *
  50          * SSO_TT_ORDERED        norm           norm             untag
  51          * SSO_TT_ATOMIC         norm           norm               untag
  52          * SSO_TT_UNTAGGED       norm           norm             NOOP
  53          */
  54
  55         if (new_tt == SSO_TT_UNTAGGED) {
  56                 if (cur_tt != SSO_TT_UNTAGGED)
  57                         cnxk_sso_hws_swtag_untag(base +
  58                                                  SSOW_LF_GWS_OP_SWTAG_UNTAG);
  59         } else {
  60                 cnxk_sso_hws_swtag_norm(tag, new_tt,
  61                                         base + SSOW_LF_GWS_OP_SWTAG_NORM);
  62         }
  63 }
  64
  65 static __rte_always_inline void
  66 cn9k_sso_hws_fwd_group(uint64_t base, const struct rte_event *ev,
  67                        const uint16_t grp)
  68 {
  69         const uint32_t tag = (uint32_t)ev->event;
  70         const uint8_t new_tt = ev->sched_type;
  71
  72         plt_write64(ev->u64, base + SSOW_LF_GWS_OP_UPD_WQP_GRP1);
  73         cnxk_sso_hws_swtag_desched(tag, new_tt, grp,
  74                                    base + SSOW_LF_GWS_OP_SWTAG_DESCHED);
  75 }
  76
  77 static __rte_always_inline void
  78 cn9k_sso_hws_forward_event(struct cn9k_sso_hws *ws, const struct rte_event *ev)
  79 {
  80         const uint8_t grp = ev->queue_id;
  81
  82         /* Group hasn't changed, Use SWTAG to forward the event */
  83         if (CNXK_GRP_FROM_TAG(plt_read64(ws->base + SSOW_LF_GWS_TAG)) == grp) {
  84                 cn9k_sso_hws_fwd_swtag(ws->base, ev);
  85                 ws->swtag_req = 1;
  86         } else {
  87                 /*
  88                  * Group has been changed for group based work pipelining,
  89                  * Use deschedule/add_work operation to transfer the event to
  90                  * new group/core
  91                  */
  92                 cn9k_sso_hws_fwd_group(ws->base, ev, grp);
  93         }
  94 }
  95
  96 /* Dual ws ops. */
  97
  98 static __rte_always_inline uint8_t
  99 cn9k_sso_hws_dual_new_event(struct cn9k_sso_hws_dual *dws,
 100                             const struct rte_event *ev)
 101 {
 102         const uint32_t tag = (uint32_t)ev->event;
 103         const uint8_t new_tt = ev->sched_type;
 104         const uint64_t event_ptr = ev->u64;
 105         const uint16_t grp = ev->queue_id;
 106
 107         rte_atomic_thread_fence(__ATOMIC_ACQ_REL);
 108         if (dws->xaq_lmt <= *dws->fc_mem)
 109                 return 0;
 110
 111         cnxk_sso_hws_add_work(event_ptr, tag, new_tt,
 112                               dws->grp_base + (grp << 12));
 113         return 1;
 114 }
 115
 116 static __rte_always_inline void
 117 cn9k_sso_hws_dual_forward_event(struct cn9k_sso_hws_dual *dws, uint64_t base,
 118                                 const struct rte_event *ev)
 119 {
 120         const uint8_t grp = ev->queue_id;
 121
 122         /* Group hasn't changed, Use SWTAG to forward the event */
 123         if (CNXK_GRP_FROM_TAG(plt_read64(base + SSOW_LF_GWS_TAG)) == grp) {
 124                 cn9k_sso_hws_fwd_swtag(base, ev);
 125                 dws->swtag_req = 1;
 126         } else {
 127                 /*
 128                  * Group has been changed for group based work pipelining,
 129                  * Use deschedule/add_work operation to transfer the event to
 130                  * new group/core
 131                  */
 132                 cn9k_sso_hws_fwd_group(base, ev, grp);
 133         }
 134 }
 135
 136 static __rte_always_inline void
 137 cn9k_wqe_to_mbuf(uint64_t wqe, const uint64_t mbuf, uint8_t port_id,
 138                  const uint32_t tag, const uint32_t flags,
 139                  const void *const lookup_mem)
 140 {
 141         const uint64_t mbuf_init = 0x100010000ULL | RTE_PKTMBUF_HEADROOM |
 142                                    (flags & NIX_RX_OFFLOAD_TSTAMP_F ? 8 : 0);
 143
 144         cn9k_nix_cqe_to_mbuf((struct nix_cqe_hdr_s *)wqe, tag,
 145                              (struct rte_mbuf *)mbuf, lookup_mem,
 146                              mbuf_init | ((uint64_t)port_id) << 48, flags);
 147 }
 148
 149 static __rte_always_inline uint16_t
 150 cn9k_sso_hws_dual_get_work(uint64_t base, uint64_t pair_base,
 151                            struct rte_event *ev, const uint32_t flags,
 152                            struct cn9k_sso_hws_dual *dws)
 153 {
 154         union {
 155                 __uint128_t get_work;
 156                 uint64_t u64[2];
 157         } gw;
 158         uint64_t tstamp_ptr;
 159         uint64_t mbuf;
 160
 161         if (flags & NIX_RX_OFFLOAD_PTYPE_F)
 162                 rte_prefetch_non_temporal(dws->lookup_mem);
 163 #ifdef RTE_ARCH_ARM64
 164         asm volatile(PLT_CPU_FEATURE_PREAMBLE
 165                      "rty%=:                                    \n"
 166                      "          ldr %[tag], [%[tag_loc]]        \n"
 167                      "          ldr %[wqp], [%[wqp_loc]]        \n"
 168                      "          tbnz %[tag], 63, rty%=          \n"
 169                      "done%=:   str %[gw], [%[pong]]            \n"
 170                      "          dmb ld                          \n"
 171                      "          sub %[mbuf], %[wqp], #0x80      \n"
 172                      "          prfm pldl1keep, [%[mbuf]]       \n"
 173                      : [tag] "=&r"(gw.u64[0]), [wqp] "=&r"(gw.u64[1]),
 174                        [mbuf] "=&r"(mbuf)
 175                      : [tag_loc] "r"(base + SSOW_LF_GWS_TAG),
 176                        [wqp_loc] "r"(base + SSOW_LF_GWS_WQP), [gw] "r"(dws->gw_wdata),
 177                        [pong] "r"(pair_base + SSOW_LF_GWS_OP_GET_WORK0));
 178 #else
 179         gw.u64[0] = plt_read64(base + SSOW_LF_GWS_TAG);
 180         while ((BIT_ULL(63)) & gw.u64[0])
 181                 gw.u64[0] = plt_read64(base + SSOW_LF_GWS_TAG);
 182         gw.u64[1] = plt_read64(base + SSOW_LF_GWS_WQP);
 183         plt_write64(dws->gw_wdata, pair_base + SSOW_LF_GWS_OP_GET_WORK0);
 184         mbuf = (uint64_t)((char *)gw.u64[1] - sizeof(struct rte_mbuf));
 185 #endif
 186
 187         gw.u64[0] = (gw.u64[0] & (0x3ull << 32)) << 6 |
 188                     (gw.u64[0] & (0x3FFull << 36)) << 4 |
 189                     (gw.u64[0] & 0xffffffff);
 190
 191         if (CNXK_TT_FROM_EVENT(gw.u64[0]) != SSO_TT_EMPTY) {
 192                 if ((flags & CPT_RX_WQE_F) &&
 193                     (CNXK_EVENT_TYPE_FROM_TAG(gw.u64[0]) ==
 194                      RTE_EVENT_TYPE_CRYPTODEV)) {
 195                         gw.u64[1] = cn9k_cpt_crypto_adapter_dequeue(gw.u64[1]);
 196                 } else if (CNXK_EVENT_TYPE_FROM_TAG(gw.u64[0]) ==
 197                            RTE_EVENT_TYPE_ETHDEV) {
 198                         uint8_t port = CNXK_SUB_EVENT_FROM_TAG(gw.u64[0]);
 199
 200                         gw.u64[0] = CNXK_CLR_SUB_EVENT(gw.u64[0]);
 201                         cn9k_wqe_to_mbuf(gw.u64[1], mbuf, port,
 202                                          gw.u64[0] & 0xFFFFF, flags,
 203                                          dws->lookup_mem);
 204                         /* Extracting tstamp, if PTP enabled*/
 205                         tstamp_ptr = *(uint64_t *)(((struct nix_wqe_hdr_s *)
 206                                                             gw.u64[1]) +
 207                                                    CNXK_SSO_WQE_SG_PTR);
 208                         cnxk_nix_mbuf_to_tstamp((struct rte_mbuf *)mbuf,
 209                                                 dws->tstamp,
 210                                                 flags & NIX_RX_OFFLOAD_TSTAMP_F,
 211                                                 flags & NIX_RX_MULTI_SEG_F,
 212                                                 (uint64_t *)tstamp_ptr);
 213                         gw.u64[1] = mbuf;
 214                 }
 215         }
 216
 217         ev->event = gw.u64[0];
 218         ev->u64 = gw.u64[1];
 219
 220         return !!gw.u64[1];
 221 }
 222
 223 static __rte_always_inline uint16_t
 224 cn9k_sso_hws_get_work(struct cn9k_sso_hws *ws, struct rte_event *ev,
 225                       const uint32_t flags, const void *const lookup_mem)
 226 {
 227         union {
 228                 __uint128_t get_work;
 229                 uint64_t u64[2];
 230         } gw;
 231         uint64_t tstamp_ptr;
 232         uint64_t mbuf;
 233
 234         plt_write64(ws->gw_wdata, ws->base + SSOW_LF_GWS_OP_GET_WORK0);
 235
 236         if (flags & NIX_RX_OFFLOAD_PTYPE_F)
 237                 rte_prefetch_non_temporal(lookup_mem);
 238 #ifdef RTE_ARCH_ARM64
 239         asm volatile(PLT_CPU_FEATURE_PREAMBLE
 240                      "          ldr %[tag], [%[tag_loc]]        \n"
 241                      "          ldr %[wqp], [%[wqp_loc]]        \n"
 242                      "          tbz %[tag], 63, done%=          \n"
 243                      "          sevl                            \n"
 244                      "rty%=:    wfe                             \n"
 245                      "          ldr %[tag], [%[tag_loc]]        \n"
 246                      "          ldr %[wqp], [%[wqp_loc]]        \n"
 247                      "          tbnz %[tag], 63, rty%=          \n"
 248                      "done%=:   dmb ld                          \n"
 249                      "          sub %[mbuf], %[wqp], #0x80      \n"
 250                      "          prfm pldl1keep, [%[mbuf]]       \n"
 251                      : [tag] "=&r"(gw.u64[0]), [wqp] "=&r"(gw.u64[1]),
 252                        [mbuf] "=&r"(mbuf)
 253                      : [tag_loc] "r"(ws->base + SSOW_LF_GWS_TAG),
 254                        [wqp_loc] "r"(ws->base + SSOW_LF_GWS_WQP));
 255 #else
 256         gw.u64[0] = plt_read64(ws->base + SSOW_LF_GWS_TAG);
 257         while ((BIT_ULL(63)) & gw.u64[0])
 258                 gw.u64[0] = plt_read64(ws->base + SSOW_LF_GWS_TAG);
 259
 260         gw.u64[1] = plt_read64(ws->base + SSOW_LF_GWS_WQP);
 261         mbuf = (uint64_t)((char *)gw.u64[1] - sizeof(struct rte_mbuf));
 262 #endif
 263
 264         gw.u64[0] = (gw.u64[0] & (0x3ull << 32)) << 6 |
 265                     (gw.u64[0] & (0x3FFull << 36)) << 4 |
 266                     (gw.u64[0] & 0xffffffff);
 267
 268         if (CNXK_TT_FROM_EVENT(gw.u64[0]) != SSO_TT_EMPTY) {
 269                 if ((flags & CPT_RX_WQE_F) &&
 270                     (CNXK_EVENT_TYPE_FROM_TAG(gw.u64[0]) ==
 271                      RTE_EVENT_TYPE_CRYPTODEV)) {
 272                         gw.u64[1] = cn9k_cpt_crypto_adapter_dequeue(gw.u64[1]);
 273                 } else if (CNXK_EVENT_TYPE_FROM_TAG(gw.u64[0]) ==
 274                            RTE_EVENT_TYPE_ETHDEV) {
 275                         uint8_t port = CNXK_SUB_EVENT_FROM_TAG(gw.u64[0]);
 276
 277                         gw.u64[0] = CNXK_CLR_SUB_EVENT(gw.u64[0]);
 278                         cn9k_wqe_to_mbuf(gw.u64[1], mbuf, port,
 279                                          gw.u64[0] & 0xFFFFF, flags,
 280                                          lookup_mem);
 281                         /* Extracting tstamp, if PTP enabled*/
 282                         tstamp_ptr = *(uint64_t *)(((struct nix_wqe_hdr_s *)
 283                                                             gw.u64[1]) +
 284                                                    CNXK_SSO_WQE_SG_PTR);
 285                         cnxk_nix_mbuf_to_tstamp((struct rte_mbuf *)mbuf,
 286                                                 ws->tstamp,
 287                                                 flags & NIX_RX_OFFLOAD_TSTAMP_F,
 288                                                 flags & NIX_RX_MULTI_SEG_F,
 289                                                 (uint64_t *)tstamp_ptr);
 290                         gw.u64[1] = mbuf;
 291                 }
 292         }
 293
 294         ev->event = gw.u64[0];
 295         ev->u64 = gw.u64[1];
 296
 297         return !!gw.u64[1];
 298 }
 299
 300 /* Used in cleaning up workslot. */
 301 static __rte_always_inline uint16_t
 302 cn9k_sso_hws_get_work_empty(uint64_t base, struct rte_event *ev)
 303 {
 304         union {
 305                 __uint128_t get_work;
 306                 uint64_t u64[2];
 307         } gw;
 308         uint64_t mbuf;
 309
 310 #ifdef RTE_ARCH_ARM64
 311         asm volatile(PLT_CPU_FEATURE_PREAMBLE
 312                      "          ldr %[tag], [%[tag_loc]]        \n"
 313                      "          ldr %[wqp], [%[wqp_loc]]        \n"
 314                      "          tbz %[tag], 63, done%=          \n"
 315                      "          sevl                            \n"
 316                      "rty%=:    wfe                             \n"
 317                      "          ldr %[tag], [%[tag_loc]]        \n"
 318                      "          ldr %[wqp], [%[wqp_loc]]        \n"
 319                      "          tbnz %[tag], 63, rty%=          \n"
 320                      "done%=:   dmb ld                          \n"
 321                      "          sub %[mbuf], %[wqp], #0x80      \n"
 322                      : [tag] "=&r"(gw.u64[0]), [wqp] "=&r"(gw.u64[1]),
 323                        [mbuf] "=&r"(mbuf)
 324                      : [tag_loc] "r"(base + SSOW_LF_GWS_TAG),
 325                        [wqp_loc] "r"(base + SSOW_LF_GWS_WQP));
 326 #else
 327         gw.u64[0] = plt_read64(base + SSOW_LF_GWS_TAG);
 328         while ((BIT_ULL(63)) & gw.u64[0])
 329                 gw.u64[0] = plt_read64(base + SSOW_LF_GWS_TAG);
 330
 331         gw.u64[1] = plt_read64(base + SSOW_LF_GWS_WQP);
 332         mbuf = (uint64_t)((char *)gw.u64[1] - sizeof(struct rte_mbuf));
 333 #endif
 334
 335         gw.u64[0] = (gw.u64[0] & (0x3ull << 32)) << 6 |
 336                     (gw.u64[0] & (0x3FFull << 36)) << 4 |
 337                     (gw.u64[0] & 0xffffffff);
 338
 339         if (CNXK_TT_FROM_EVENT(gw.u64[0]) != SSO_TT_EMPTY) {
 340                 if (CNXK_EVENT_TYPE_FROM_TAG(gw.u64[0]) ==
 341                     RTE_EVENT_TYPE_ETHDEV) {
 342                         uint8_t port = CNXK_SUB_EVENT_FROM_TAG(gw.u64[0]);
 343
 344                         gw.u64[0] = CNXK_CLR_SUB_EVENT(gw.u64[0]);
 345                         cn9k_wqe_to_mbuf(gw.u64[1], mbuf, port,
 346                                          gw.u64[0] & 0xFFFFF, 0, NULL);
 347                         gw.u64[1] = mbuf;
 348                 }
 349         }
 350
 351         ev->event = gw.u64[0];
 352         ev->u64 = gw.u64[1];
 353
 354         return !!gw.u64[1];
 355 }
 356
 357 /* CN9K Fastpath functions. */
 358 uint16_t __rte_hot cn9k_sso_hws_enq(void *port, const struct rte_event *ev);
 359 uint16_t __rte_hot cn9k_sso_hws_enq_burst(void *port,
 360                                           const struct rte_event ev[],
 361                                           uint16_t nb_events);
 362 uint16_t __rte_hot cn9k_sso_hws_enq_new_burst(void *port,
 363                                               const struct rte_event ev[],
 364                                               uint16_t nb_events);
 365 uint16_t __rte_hot cn9k_sso_hws_enq_fwd_burst(void *port,
 366                                               const struct rte_event ev[],
 367                                               uint16_t nb_events);
 368
 369 uint16_t __rte_hot cn9k_sso_hws_dual_enq(void *port,
 370                                          const struct rte_event *ev);
 371 uint16_t __rte_hot cn9k_sso_hws_dual_enq_burst(void *port,
 372                                                const struct rte_event ev[],
 373                                                uint16_t nb_events);
 374 uint16_t __rte_hot cn9k_sso_hws_dual_enq_new_burst(void *port,
 375                                                    const struct rte_event ev[],
 376                                                    uint16_t nb_events);
 377 uint16_t __rte_hot cn9k_sso_hws_dual_enq_fwd_burst(void *port,
 378                                                    const struct rte_event ev[],
 379                                                    uint16_t nb_events);
 380 uint16_t __rte_hot cn9k_sso_hws_ca_enq(void *port, struct rte_event ev[],
 381                                        uint16_t nb_events);
 382 uint16_t __rte_hot cn9k_sso_hws_dual_ca_enq(void *port, struct rte_event ev[],
 383                                             uint16_t nb_events);
 384
 385 #define R(name, flags)                                                         \
 386         uint16_t __rte_hot cn9k_sso_hws_deq_##name(                            \
 387                 void *port, struct rte_event *ev, uint64_t timeout_ticks);     \
 388         uint16_t __rte_hot cn9k_sso_hws_deq_burst_##name(                      \
 389                 void *port, struct rte_event ev[], uint16_t nb_events,         \
 390                 uint64_t timeout_ticks);                                       \
 391         uint16_t __rte_hot cn9k_sso_hws_deq_tmo_##name(                        \
 392                 void *port, struct rte_event *ev, uint64_t timeout_ticks);     \
 393         uint16_t __rte_hot cn9k_sso_hws_deq_tmo_burst_##name(                  \
 394                 void *port, struct rte_event ev[], uint16_t nb_events,         \
 395                 uint64_t timeout_ticks);                                       \
 396         uint16_t __rte_hot cn9k_sso_hws_deq_ca_##name(                         \
 397                 void *port, struct rte_event *ev, uint64_t timeout_ticks);     \
 398         uint16_t __rte_hot cn9k_sso_hws_deq_ca_burst_##name(                   \
 399                 void *port, struct rte_event ev[], uint16_t nb_events,         \
 400                 uint64_t timeout_ticks);                                       \
 401         uint16_t __rte_hot cn9k_sso_hws_deq_tmo_ca_##name(                     \
 402                 void *port, struct rte_event *ev, uint64_t timeout_ticks);     \
 403         uint16_t __rte_hot cn9k_sso_hws_deq_tmo_ca_burst_##name(               \
 404                 void *port, struct rte_event ev[], uint16_t nb_events,         \
 405                 uint64_t timeout_ticks);                                       \
 406         uint16_t __rte_hot cn9k_sso_hws_deq_seg_##name(                        \
 407                 void *port, struct rte_event *ev, uint64_t timeout_ticks);     \
 408         uint16_t __rte_hot cn9k_sso_hws_deq_seg_burst_##name(                  \
 409                 void *port, struct rte_event ev[], uint16_t nb_events,         \
 410                 uint64_t timeout_ticks);                                       \
 411         uint16_t __rte_hot cn9k_sso_hws_deq_tmo_seg_##name(                    \
 412                 void *port, struct rte_event *ev, uint64_t timeout_ticks);     \
 413         uint16_t __rte_hot cn9k_sso_hws_deq_tmo_seg_burst_##name(              \
 414                 void *port, struct rte_event ev[], uint16_t nb_events,         \
 415                 uint64_t timeout_ticks);                                       \
 416         uint16_t __rte_hot cn9k_sso_hws_deq_ca_seg_##name(                     \
 417                 void *port, struct rte_event *ev, uint64_t timeout_ticks);     \
 418         uint16_t __rte_hot cn9k_sso_hws_deq_ca_seg_burst_##name(               \
 419                 void *port, struct rte_event ev[], uint16_t nb_events,         \
 420                 uint64_t timeout_ticks);                                       \
 421         uint16_t __rte_hot cn9k_sso_hws_deq_tmo_ca_seg_##name(                 \
 422                 void *port, struct rte_event *ev, uint64_t timeout_ticks);     \
 423         uint16_t __rte_hot cn9k_sso_hws_deq_tmo_ca_seg_burst_##name(           \
 424                 void *port, struct rte_event ev[], uint16_t nb_events,         \
 425                 uint64_t timeout_ticks);
 426
 427 NIX_RX_FASTPATH_MODES
 428 #undef R
 429
 430 #define SSO_DEQ(fn, flags)                                                     \
 431         uint16_t __rte_hot fn(void *port, struct rte_event *ev,                \
 432                               uint64_t timeout_ticks)                          \
 433         {                                                                      \
 434                 struct cn9k_sso_hws *ws = port;                                \
 435                 RTE_SET_USED(timeout_ticks);                                   \
 436                 if (ws->swtag_req) {                                           \
 437                         ws->swtag_req = 0;                                     \
 438                         cnxk_sso_hws_swtag_wait(ws->base + SSOW_LF_GWS_TAG);   \
 439                         return 1;                                              \
 440                 }                                                              \
 441                 return cn9k_sso_hws_get_work(ws, ev, flags, ws->lookup_mem);   \
 442         }
 443
 444 #define SSO_DEQ_SEG(fn, flags)    SSO_DEQ(fn, flags | NIX_RX_MULTI_SEG_F)
 445 #define SSO_DEQ_CA(fn, flags)     SSO_DEQ(fn, flags | CPT_RX_WQE_F)
 446 #define SSO_DEQ_CA_SEG(fn, flags) SSO_DEQ_SEG(fn, flags | CPT_RX_WQE_F)
 447
 448 #define SSO_DEQ_TMO(fn, flags)                                                 \
 449         uint16_t __rte_hot fn(void *port, struct rte_event *ev,                \
 450                               uint64_t timeout_ticks)                          \
 451         {                                                                      \
 452                 struct cn9k_sso_hws *ws = port;                                \
 453                 uint16_t ret = 1;                                              \
 454                 uint64_t iter;                                                 \
 455                 if (ws->swtag_req) {                                           \
 456                         ws->swtag_req = 0;                                     \
 457                         cnxk_sso_hws_swtag_wait(ws->base + SSOW_LF_GWS_TAG);   \
 458                         return ret;                                            \
 459                 }                                                              \
 460                 ret = cn9k_sso_hws_get_work(ws, ev, flags, ws->lookup_mem);    \
 461                 for (iter = 1; iter < timeout_ticks && (ret == 0); iter++)     \
 462                         ret = cn9k_sso_hws_get_work(ws, ev, flags,             \
 463                                                     ws->lookup_mem);           \
 464                 return ret;                                                    \
 465         }
 466
 467 #define SSO_DEQ_TMO_SEG(fn, flags)    SSO_DEQ_TMO(fn, flags | NIX_RX_MULTI_SEG_F)
 468 #define SSO_DEQ_TMO_CA(fn, flags)     SSO_DEQ_TMO(fn, flags | CPT_RX_WQE_F)
 469 #define SSO_DEQ_TMO_CA_SEG(fn, flags) SSO_DEQ_TMO_SEG(fn, flags | CPT_RX_WQE_F)
 470
 471 #define R(name, flags)                                                         \
 472         uint16_t __rte_hot cn9k_sso_hws_dual_deq_##name(                       \
 473                 void *port, struct rte_event *ev, uint64_t timeout_ticks);     \
 474         uint16_t __rte_hot cn9k_sso_hws_dual_deq_burst_##name(                 \
 475                 void *port, struct rte_event ev[], uint16_t nb_events,         \
 476                 uint64_t timeout_ticks);                                       \
 477         uint16_t __rte_hot cn9k_sso_hws_dual_deq_tmo_##name(                   \
 478                 void *port, struct rte_event *ev, uint64_t timeout_ticks);     \
 479         uint16_t __rte_hot cn9k_sso_hws_dual_deq_tmo_burst_##name(             \
 480                 void *port, struct rte_event ev[], uint16_t nb_events,         \
 481                 uint64_t timeout_ticks);                                       \
 482         uint16_t __rte_hot cn9k_sso_hws_dual_deq_ca_##name(                    \
 483                 void *port, struct rte_event *ev, uint64_t timeout_ticks);     \
 484         uint16_t __rte_hot cn9k_sso_hws_dual_deq_ca_burst_##name(              \
 485                 void *port, struct rte_event ev[], uint16_t nb_events,         \
 486                 uint64_t timeout_ticks);                                       \
 487         uint16_t __rte_hot cn9k_sso_hws_dual_deq_tmo_ca_##name(                \
 488                 void *port, struct rte_event *ev, uint64_t timeout_ticks);     \
 489         uint16_t __rte_hot cn9k_sso_hws_dual_deq_tmo_ca_burst_##name(          \
 490                 void *port, struct rte_event ev[], uint16_t nb_events,         \
 491                 uint64_t timeout_ticks);                                       \
 492         uint16_t __rte_hot cn9k_sso_hws_dual_deq_seg_##name(                   \
 493                 void *port, struct rte_event *ev, uint64_t timeout_ticks);     \
 494         uint16_t __rte_hot cn9k_sso_hws_dual_deq_seg_burst_##name(             \
 495                 void *port, struct rte_event ev[], uint16_t nb_events,         \
 496                 uint64_t timeout_ticks);                                       \
 497         uint16_t __rte_hot cn9k_sso_hws_dual_deq_tmo_seg_##name(               \
 498                 void *port, struct rte_event *ev, uint64_t timeout_ticks);     \
 499         uint16_t __rte_hot cn9k_sso_hws_dual_deq_tmo_seg_burst_##name(         \
 500                 void *port, struct rte_event ev[], uint16_t nb_events,         \
 501                 uint64_t timeout_ticks);                                       \
 502         uint16_t __rte_hot cn9k_sso_hws_dual_deq_ca_seg_##name(                \
 503                 void *port, struct rte_event *ev, uint64_t timeout_ticks);     \
 504         uint16_t __rte_hot cn9k_sso_hws_dual_deq_ca_seg_burst_##name(          \
 505                 void *port, struct rte_event ev[], uint16_t nb_events,         \
 506                 uint64_t timeout_ticks);                                       \
 507         uint16_t __rte_hot cn9k_sso_hws_dual_deq_tmo_ca_seg_##name(            \
 508                 void *port, struct rte_event *ev, uint64_t timeout_ticks);     \
 509         uint16_t __rte_hot cn9k_sso_hws_dual_deq_tmo_ca_seg_burst_##name(      \
 510                 void *port, struct rte_event ev[], uint16_t nb_events,         \
 511                 uint64_t timeout_ticks);
 512
 513 NIX_RX_FASTPATH_MODES
 514 #undef R
 515
 516 #define SSO_DUAL_DEQ(fn, flags)                                                \
 517         uint16_t __rte_hot fn(void *port, struct rte_event *ev,                \
 518                               uint64_t timeout_ticks)                          \
 519         {                                                                      \
 520                 struct cn9k_sso_hws_dual *dws = port;                          \
 521                 uint16_t gw;                                                   \
 522                 RTE_SET_USED(timeout_ticks);                                   \
 523                 if (dws->swtag_req) {                                          \
 524                         dws->swtag_req = 0;                                    \
 525                         cnxk_sso_hws_swtag_wait(dws->base[!dws->vws] +         \
 526                                                 SSOW_LF_GWS_TAG);              \
 527                         return 1;                                              \
 528                 }                                                              \
 529                 gw = cn9k_sso_hws_dual_get_work(dws->base[dws->vws],           \
 530                                                 dws->base[!dws->vws], ev,      \
 531                                                 flags, dws);                   \
 532                 dws->vws = !dws->vws;                                          \
 533                 return gw;                                                     \
 534         }
 535
 536 #define SSO_DUAL_DEQ_SEG(fn, flags) SSO_DUAL_DEQ(fn, flags | NIX_RX_MULTI_SEG_F)
 537 #define SSO_DUAL_DEQ_CA(fn, flags)  SSO_DUAL_DEQ(fn, flags | CPT_RX_WQE_F)
 538 #define SSO_DUAL_DEQ_CA_SEG(fn, flags)                                         \
 539         SSO_DUAL_DEQ_SEG(fn, flags | CPT_RX_WQE_F)
 540
 541 #define SSO_DUAL_DEQ_TMO(fn, flags)                                            \
 542         uint16_t __rte_hot fn(void *port, struct rte_event *ev,                \
 543                               uint64_t timeout_ticks)                          \
 544         {                                                                      \
 545                 struct cn9k_sso_hws_dual *dws = port;                          \
 546                 uint16_t ret = 1;                                              \
 547                 uint64_t iter;                                                 \
 548                 if (dws->swtag_req) {                                          \
 549                         dws->swtag_req = 0;                                    \
 550                         cnxk_sso_hws_swtag_wait(dws->base[!dws->vws] +         \
 551                                                 SSOW_LF_GWS_TAG);              \
 552                         return ret;                                            \
 553                 }                                                              \
 554                 ret = cn9k_sso_hws_dual_get_work(dws->base[dws->vws],          \
 555                                                  dws->base[!dws->vws], ev,     \
 556                                                  flags, dws);                  \
 557                 dws->vws = !dws->vws;                                          \
 558                 for (iter = 1; iter < timeout_ticks && (ret == 0); iter++) {   \
 559                         ret = cn9k_sso_hws_dual_get_work(dws->base[dws->vws],  \
 560                                                          dws->base[!dws->vws], \
 561                                                          ev, flags, dws);      \
 562                         dws->vws = !dws->vws;                                  \
 563                 }                                                              \
 564                 return ret;                                                    \
 565         }
 566
 567 #define SSO_DUAL_DEQ_TMO_SEG(fn, flags)                                        \
 568         SSO_DUAL_DEQ_TMO(fn, flags | NIX_RX_MULTI_SEG_F)
 569 #define SSO_DUAL_DEQ_TMO_CA(fn, flags)                                         \
 570         SSO_DUAL_DEQ_TMO(fn, flags | CPT_RX_WQE_F)
 571 #define SSO_DUAL_DEQ_TMO_CA_SEG(fn, flags)                                     \
 572         SSO_DUAL_DEQ_TMO_SEG(fn, flags | CPT_RX_WQE_F)
 573
 574 #define SSO_CMN_DEQ_BURST(fnb, fn, flags)                                      \
 575         uint16_t __rte_hot fnb(void *port, struct rte_event ev[],              \
 576                                uint16_t nb_events, uint64_t timeout_ticks)     \
 577         {                                                                      \
 578                 RTE_SET_USED(nb_events);                                       \
 579                 return fn(port, ev, timeout_ticks);                            \
 580         }
 581
 582 #define SSO_CMN_DEQ_SEG_BURST(fnb, fn, flags)                                  \
 583         uint16_t __rte_hot fnb(void *port, struct rte_event ev[],              \
 584                                uint16_t nb_events, uint64_t timeout_ticks)     \
 585         {                                                                      \
 586                 RTE_SET_USED(nb_events);                                       \
 587                 return fn(port, ev, timeout_ticks);                            \
 588         }
 589
 590 static __rte_always_inline void
 591 cn9k_sso_txq_fc_wait(const struct cn9k_eth_txq *txq)
 592 {
 593         while (!((txq->nb_sqb_bufs_adj -
 594                   __atomic_load_n(txq->fc_mem, __ATOMIC_RELAXED))
 595                  << (txq)->sqes_per_sqb_log2))
 596                 ;
 597 }
 598
 599 static __rte_always_inline struct cn9k_eth_txq *
 600 cn9k_sso_hws_xtract_meta(struct rte_mbuf *m, uint64_t *txq_data)
 601 {
 602         return (struct cn9k_eth_txq
 603                         *)(txq_data[(txq_data[m->port] >> 48) +
 604                                     rte_event_eth_tx_adapter_txq_get(m)] &
 605                            (BIT_ULL(48) - 1));
 606 }
 607
 608 #if defined(RTE_ARCH_ARM64)
 609
 610 static __rte_always_inline void
 611 cn9k_sso_hws_xmit_sec_one(const struct cn9k_eth_txq *txq, uint64_t base,
 612                           struct rte_mbuf *m, uint64_t *cmd,
 613                           uint32_t flags)
 614 {
 615         struct cn9k_outb_priv_data *outb_priv;
 616         rte_iova_t io_addr = txq->cpt_io_addr;
 617         uint64_t *lmt_addr = txq->lmt_addr;
 618         struct cn9k_sec_sess_priv mdata;
 619         struct nix_send_hdr_s *send_hdr;
 620         uint64_t sa_base = txq->sa_base;
 621         uint32_t pkt_len, dlen_adj, rlen;
 622         uint64x2_t cmd01, cmd23;
 623         uint64_t lmt_status, sa;
 624         union nix_send_sg_s *sg;
 625         uintptr_t dptr, nixtx;
 626         uint64_t ucode_cmd[4];
 627         uint64_t esn, *iv;
 628         uint8_t l2_len;
 629
 630         mdata.u64 = *rte_security_dynfield(m);
 631         send_hdr = (struct nix_send_hdr_s *)cmd;
 632         if (flags & NIX_TX_NEED_EXT_HDR)
 633                 sg = (union nix_send_sg_s *)&cmd[4];
 634         else
 635                 sg = (union nix_send_sg_s *)&cmd[2];
 636
 637         if (flags & NIX_TX_NEED_SEND_HDR_W1)
 638                 l2_len = cmd[1] & 0xFF;
 639         else
 640                 l2_len = m->l2_len;
 641
 642         /* Retrieve DPTR */
 643         dptr = *(uint64_t *)(sg + 1);
 644         pkt_len = send_hdr->w0.total;
 645
 646         /* Calculate rlen */
 647         rlen = pkt_len - l2_len;
 648         rlen = (rlen + mdata.roundup_len) + (mdata.roundup_byte - 1);
 649         rlen &= ~(uint64_t)(mdata.roundup_byte - 1);
 650         rlen += mdata.partial_len;
 651         dlen_adj = rlen - pkt_len + l2_len;
 652
 653         /* Update send descriptors. Security is single segment only */
 654         send_hdr->w0.total = pkt_len + dlen_adj;
 655         sg->seg1_size = pkt_len + dlen_adj;
 656
 657         /* Get area where NIX descriptor needs to be stored */
 658         nixtx = dptr + pkt_len + dlen_adj;
 659         nixtx += BIT_ULL(7);
 660         nixtx = (nixtx - 1) & ~(BIT_ULL(7) - 1);
 661
 662         roc_lmt_mov_nv((void *)(nixtx + 16), cmd, cn9k_nix_tx_ext_subs(flags));
 663
 664         /* Load opcode and cptr already prepared at pkt metadata set */
 665         pkt_len -= l2_len;
 666         pkt_len += sizeof(struct roc_onf_ipsec_outb_hdr) +
 667                     ROC_ONF_IPSEC_OUTB_MAX_L2_INFO_SZ;
 668         sa_base &= ~(ROC_NIX_INL_SA_BASE_ALIGN - 1);
 669
 670         sa = (uintptr_t)roc_nix_inl_onf_ipsec_outb_sa(sa_base, mdata.sa_idx);
 671         ucode_cmd[3] = (ROC_CPT_DFLT_ENG_GRP_SE_IE << 61 | sa);
 672         ucode_cmd[0] = (ROC_IE_ONF_MAJOR_OP_PROCESS_OUTBOUND_IPSEC << 48 |
 673                         0x40UL << 48 | pkt_len);
 674
 675         /* CPT Word 0 and Word 1 */
 676         cmd01 = vdupq_n_u64((nixtx + 16) | (cn9k_nix_tx_ext_subs(flags) + 1));
 677         /* CPT_RES_S is 16B above NIXTX */
 678         cmd01 = vsetq_lane_u8(nixtx & BIT_ULL(7), cmd01, 8);
 679
 680         /* CPT word 2 and 3 */
 681         cmd23 = vdupq_n_u64(0);
 682         cmd23 = vsetq_lane_u64((((uint64_t)RTE_EVENT_TYPE_CPU << 28) |
 683                                 CNXK_ETHDEV_SEC_OUTB_EV_SUB << 20), cmd23, 0);
 684         cmd23 = vsetq_lane_u64((uintptr_t)m | 1, cmd23, 1);
 685
 686         dptr += l2_len - ROC_ONF_IPSEC_OUTB_MAX_L2_INFO_SZ -
 687                 sizeof(struct roc_onf_ipsec_outb_hdr);
 688         ucode_cmd[1] = dptr;
 689         ucode_cmd[2] = dptr;
 690
 691         /* Update IV to zero and l2 sz */
 692         *(uint16_t *)(dptr + sizeof(struct roc_onf_ipsec_outb_hdr)) =
 693                 rte_cpu_to_be_16(ROC_ONF_IPSEC_OUTB_MAX_L2_INFO_SZ);
 694         iv = (uint64_t *)(dptr + 8);
 695         iv[0] = 0;
 696         iv[1] = 0;
 697
 698         /* Head wait if needed */
 699         if (base)
 700                 roc_sso_hws_head_wait(base);
 701
 702         /* ESN */
 703         outb_priv = roc_nix_inl_onf_ipsec_outb_sa_sw_rsvd((void *)sa);
 704         esn = outb_priv->esn;
 705         outb_priv->esn = esn + 1;
 706
 707         ucode_cmd[0] |= (esn >> 32) << 16;
 708         esn = rte_cpu_to_be_32(esn & (BIT_ULL(32) - 1));
 709
 710         /* Update ESN and IPID and IV */
 711         *(uint64_t *)dptr = esn << 32 | esn;
 712
 713         rte_io_wmb();
 714         cn9k_sso_txq_fc_wait(txq);
 715
 716         /* Write CPT instruction to lmt line */
 717         vst1q_u64(lmt_addr, cmd01);
 718         vst1q_u64(lmt_addr + 2, cmd23);
 719
 720         roc_lmt_mov_seg(lmt_addr + 4, ucode_cmd, 2);
 721
 722         if (roc_lmt_submit_ldeor(io_addr) == 0) {
 723                 do {
 724                         vst1q_u64(lmt_addr, cmd01);
 725                         vst1q_u64(lmt_addr + 2, cmd23);
 726                         roc_lmt_mov_seg(lmt_addr + 4, ucode_cmd, 2);
 727
 728                         lmt_status = roc_lmt_submit_ldeor(io_addr);
 729                 } while (lmt_status == 0);
 730         }
 731 }
 732 #else
 733
 734 static inline void
 735 cn9k_sso_hws_xmit_sec_one(const struct cn9k_eth_txq *txq, uint64_t base,
 736                           struct rte_mbuf *m, uint64_t *cmd,
 737                           uint32_t flags)
 738 {
 739         RTE_SET_USED(txq);
 740         RTE_SET_USED(base);
 741         RTE_SET_USED(m);
 742         RTE_SET_USED(cmd);
 743         RTE_SET_USED(flags);
 744 }
 745 #endif
 746
 747 static __rte_always_inline uint16_t
 748 cn9k_sso_hws_event_tx(uint64_t base, struct rte_event *ev, uint64_t *cmd,
 749                       uint64_t *txq_data, const uint32_t flags)
 750 {
 751         struct rte_mbuf *m = ev->mbuf;
 752         uint16_t ref_cnt = m->refcnt;
 753         struct cn9k_eth_txq *txq;
 754
 755         /* Perform header writes before barrier for TSO */
 756         cn9k_nix_xmit_prepare_tso(m, flags);
 757         /* Lets commit any changes in the packet here in case when
 758          * fast free is set as no further changes will be made to mbuf.
 759          * In case of fast free is not set, both cn9k_nix_prepare_mseg()
 760          * and cn9k_nix_xmit_prepare() has a barrier after refcnt update.
 761          */
 762         if (!(flags & NIX_TX_OFFLOAD_MBUF_NOFF_F) &&
 763             !(flags & NIX_TX_OFFLOAD_SECURITY_F))
 764                 rte_io_wmb();
 765         txq = cn9k_sso_hws_xtract_meta(m, txq_data);
 766         cn9k_nix_tx_skeleton(txq, cmd, flags, 0);
 767         cn9k_nix_xmit_prepare(m, cmd, flags, txq->lso_tun_fmt);
 768
 769         if (flags & NIX_TX_OFFLOAD_SECURITY_F) {
 770                 uint64_t ol_flags = m->ol_flags;
 771
 772                 if (ol_flags & RTE_MBUF_F_TX_SEC_OFFLOAD) {
 773                         uintptr_t ssow_base = base;
 774
 775                         if (ev->sched_type)
 776                                 ssow_base = 0;
 777
 778                         cn9k_sso_hws_xmit_sec_one(txq, ssow_base, m, cmd,
 779                                                   flags);
 780                         goto done;
 781                 }
 782
 783                 if (!(flags & NIX_TX_OFFLOAD_MBUF_NOFF_F))
 784                         rte_io_wmb();
 785         }
 786
 787         if (flags & NIX_TX_MULTI_SEG_F) {
 788                 const uint16_t segdw = cn9k_nix_prepare_mseg(m, cmd, flags);
 789                 cn9k_nix_xmit_prepare_tstamp(txq, cmd, m->ol_flags, segdw,
 790                                              flags);
 791                 if (!CNXK_TT_FROM_EVENT(ev->event)) {
 792                         cn9k_nix_xmit_mseg_prep_lmt(cmd, txq->lmt_addr, segdw);
 793                         roc_sso_hws_head_wait(base);
 794                         cn9k_sso_txq_fc_wait(txq);
 795                         if (cn9k_nix_xmit_submit_lmt(txq->io_addr) == 0)
 796                                 cn9k_nix_xmit_mseg_one(cmd, txq->lmt_addr,
 797                                                        txq->io_addr, segdw);
 798                 } else {
 799                         cn9k_nix_xmit_mseg_one(cmd, txq->lmt_addr, txq->io_addr,
 800                                                segdw);
 801                 }
 802         } else {
 803                 cn9k_nix_xmit_prepare_tstamp(txq, cmd, m->ol_flags, 4, flags);
 804                 if (!CNXK_TT_FROM_EVENT(ev->event)) {
 805                         cn9k_nix_xmit_prep_lmt(cmd, txq->lmt_addr, flags);
 806                         roc_sso_hws_head_wait(base);
 807                         cn9k_sso_txq_fc_wait(txq);
 808                         if (cn9k_nix_xmit_submit_lmt(txq->io_addr) == 0)
 809                                 cn9k_nix_xmit_one(cmd, txq->lmt_addr,
 810                                                   txq->io_addr, flags);
 811                 } else {
 812                         cn9k_nix_xmit_one(cmd, txq->lmt_addr, txq->io_addr,
 813                                           flags);
 814                 }
 815         }
 816
 817 done:
 818         if (flags & NIX_TX_OFFLOAD_MBUF_NOFF_F) {
 819                 if (ref_cnt > 1)
 820                         return 1;
 821         }
 822
 823         cnxk_sso_hws_swtag_flush(base + SSOW_LF_GWS_TAG,
 824                                  base + SSOW_LF_GWS_OP_SWTAG_FLUSH);
 825
 826         return 1;
 827 }
 828
 829 #define T(name, sz, flags)                                                     \
 830         uint16_t __rte_hot cn9k_sso_hws_tx_adptr_enq_##name(                   \
 831                 void *port, struct rte_event ev[], uint16_t nb_events);        \
 832         uint16_t __rte_hot cn9k_sso_hws_tx_adptr_enq_seg_##name(               \
 833                 void *port, struct rte_event ev[], uint16_t nb_events);        \
 834         uint16_t __rte_hot cn9k_sso_hws_dual_tx_adptr_enq_##name(              \
 835                 void *port, struct rte_event ev[], uint16_t nb_events);        \
 836         uint16_t __rte_hot cn9k_sso_hws_dual_tx_adptr_enq_seg_##name(          \
 837                 void *port, struct rte_event ev[], uint16_t nb_events);
 838
 839 NIX_TX_FASTPATH_MODES
 840 #undef T
 841
 842 #define SSO_TX(fn, sz, flags)                                                  \
 843         uint16_t __rte_hot fn(void *port, struct rte_event ev[],               \
 844                               uint16_t nb_events)                              \
 845         {                                                                      \
 846                 struct cn9k_sso_hws *ws = port;                                \
 847                 uint64_t cmd[sz];                                              \
 848                 RTE_SET_USED(nb_events);                                       \
 849                 return cn9k_sso_hws_event_tx(ws->base, &ev[0], cmd,            \
 850                                              (uint64_t *)ws->tx_adptr_data,    \
 851                                              flags);                           \
 852         }
 853
 854 #define SSO_TX_SEG(fn, sz, flags)                                              \
 855         uint16_t __rte_hot fn(void *port, struct rte_event ev[],               \
 856                               uint16_t nb_events)                              \
 857         {                                                                      \
 858                 uint64_t cmd[(sz) + CNXK_NIX_TX_MSEG_SG_DWORDS - 2];           \
 859                 struct cn9k_sso_hws *ws = port;                                \
 860                 RTE_SET_USED(nb_events);                                       \
 861                 return cn9k_sso_hws_event_tx(ws->base, &ev[0], cmd,            \
 862                                              (uint64_t *)ws->tx_adptr_data,    \
 863                                              (flags) | NIX_TX_MULTI_SEG_F);    \
 864         }
 865
 866 #define SSO_DUAL_TX(fn, sz, flags)                                             \
 867         uint16_t __rte_hot fn(void *port, struct rte_event ev[],               \
 868                               uint16_t nb_events)                              \
 869         {                                                                      \
 870                 struct cn9k_sso_hws_dual *ws = port;                           \
 871                 uint64_t cmd[sz];                                              \
 872                 RTE_SET_USED(nb_events);                                       \
 873                 return cn9k_sso_hws_event_tx(ws->base[!ws->vws], &ev[0], cmd,  \
 874                                              (uint64_t *)ws->tx_adptr_data,    \
 875                                              flags);                           \
 876         }
 877
 878 #define SSO_DUAL_TX_SEG(fn, sz, flags)                                         \
 879         uint16_t __rte_hot fn(void *port, struct rte_event ev[],               \
 880                               uint16_t nb_events)                              \
 881         {                                                                      \
 882                 uint64_t cmd[(sz) + CNXK_NIX_TX_MSEG_SG_DWORDS - 2];           \
 883                 struct cn9k_sso_hws_dual *ws = port;                           \
 884                 RTE_SET_USED(nb_events);                                       \
 885                 return cn9k_sso_hws_event_tx(ws->base[!ws->vws], &ev[0], cmd,  \
 886                                              (uint64_t *)ws->tx_adptr_data,    \
 887                                              (flags) | NIX_TX_MULTI_SEG_F);    \
 888         }
 889
 890 #endif