/* SPDX-License-Identifier: BSD-3-Clause * Copyright(C) 2021 Marvell. */ #ifndef __CN10K_WORKER_H__ #define __CN10K_WORKER_H__ #include #include "cn10k_cryptodev_ops.h" #include "cnxk_ethdev.h" #include "cnxk_eventdev.h" #include "cnxk_worker.h" #include "cn10k_ethdev.h" #include "cn10k_rx.h" #include "cn10k_tx.h" /* SSO Operations */ static __rte_always_inline uint8_t cn10k_sso_hws_new_event(struct cn10k_sso_hws *ws, const struct rte_event *ev) { const uint32_t tag = (uint32_t)ev->event; const uint8_t new_tt = ev->sched_type; const uint64_t event_ptr = ev->u64; const uint16_t grp = ev->queue_id; rte_atomic_thread_fence(__ATOMIC_ACQ_REL); if (ws->xaq_lmt <= *ws->fc_mem) return 0; cnxk_sso_hws_add_work(event_ptr, tag, new_tt, ws->grp_base + (grp << 12)); return 1; } static __rte_always_inline void cn10k_sso_hws_fwd_swtag(struct cn10k_sso_hws *ws, const struct rte_event *ev) { const uint32_t tag = (uint32_t)ev->event; const uint8_t new_tt = ev->sched_type; const uint8_t cur_tt = CNXK_TT_FROM_TAG(ws->gw_rdata); /* CNXK model * cur_tt/new_tt SSO_TT_ORDERED SSO_TT_ATOMIC SSO_TT_UNTAGGED * * SSO_TT_ORDERED norm norm untag * SSO_TT_ATOMIC norm norm untag * SSO_TT_UNTAGGED norm norm NOOP */ if (new_tt == SSO_TT_UNTAGGED) { if (cur_tt != SSO_TT_UNTAGGED) cnxk_sso_hws_swtag_untag(ws->base + SSOW_LF_GWS_OP_SWTAG_UNTAG); } else { cnxk_sso_hws_swtag_norm(tag, new_tt, ws->base + SSOW_LF_GWS_OP_SWTAG_NORM); } ws->swtag_req = 1; } static __rte_always_inline void cn10k_sso_hws_fwd_group(struct cn10k_sso_hws *ws, const struct rte_event *ev, const uint16_t grp) { const uint32_t tag = (uint32_t)ev->event; const uint8_t new_tt = ev->sched_type; plt_write64(ev->u64, ws->base + SSOW_LF_GWS_OP_UPD_WQP_GRP1); cnxk_sso_hws_swtag_desched(tag, new_tt, grp, ws->base + SSOW_LF_GWS_OP_SWTAG_DESCHED); } static __rte_always_inline void cn10k_sso_hws_forward_event(struct cn10k_sso_hws *ws, const struct rte_event *ev) { const uint8_t grp = ev->queue_id; /* Group hasn't changed, Use SWTAG to forward the event */ if (CNXK_GRP_FROM_TAG(ws->gw_rdata) == grp) cn10k_sso_hws_fwd_swtag(ws, ev); else /* * Group has been changed for group based work pipelining, * Use deschedule/add_work operation to transfer the event to * new group/core */ cn10k_sso_hws_fwd_group(ws, ev, grp); } static __rte_always_inline void cn10k_wqe_to_mbuf(uint64_t wqe, const uint64_t __mbuf, uint8_t port_id, const uint32_t tag, const uint32_t flags, const void *const lookup_mem) { const uint64_t mbuf_init = 0x100010000ULL | RTE_PKTMBUF_HEADROOM | (flags & NIX_RX_OFFLOAD_TSTAMP_F ? 8 : 0); struct rte_mbuf *mbuf = (struct rte_mbuf *)__mbuf; cn10k_nix_cqe_to_mbuf((struct nix_cqe_hdr_s *)wqe, tag, (struct rte_mbuf *)mbuf, lookup_mem, mbuf_init | ((uint64_t)port_id) << 48, flags); } static void cn10k_sso_process_tstamp(uint64_t u64, uint64_t mbuf, struct cnxk_timesync_info *tstamp) { uint64_t tstamp_ptr; uint8_t laptr; laptr = (uint8_t) * (uint64_t *)(u64 + (CNXK_SSO_WQE_LAYR_PTR * sizeof(uint64_t))); if (laptr == sizeof(uint64_t)) { /* Extracting tstamp, if PTP enabled*/ tstamp_ptr = *(uint64_t *)(((struct nix_wqe_hdr_s *)u64) + CNXK_SSO_WQE_SG_PTR); cn10k_nix_mbuf_to_tstamp((struct rte_mbuf *)mbuf, tstamp, true, (uint64_t *)tstamp_ptr); } } static __rte_always_inline void cn10k_process_vwqe(uintptr_t vwqe, uint16_t port_id, const uint32_t flags, struct cn10k_sso_hws *ws) { uint64_t mbuf_init = 0x100010000ULL | RTE_PKTMBUF_HEADROOM; struct cnxk_timesync_info *tstamp = ws->tstamp[port_id]; void *lookup_mem = ws->lookup_mem; uintptr_t lbase = ws->lmt_base; struct rte_event_vector *vec; uint64_t meta_aura, laddr; uint16_t nb_mbufs, non_vec; uint16_t lmt_id, d_off; struct rte_mbuf **wqe; struct rte_mbuf *mbuf; uint8_t loff = 0; uint64_t sa_base; int i; mbuf_init |= ((uint64_t)port_id) << 48; vec = (struct rte_event_vector *)vwqe; wqe = vec->mbufs; rte_prefetch0(&vec->ptrs[0]); #define OBJS_PER_CLINE (RTE_CACHE_LINE_SIZE / sizeof(void *)) for (i = OBJS_PER_CLINE; i < vec->nb_elem; i += OBJS_PER_CLINE) rte_prefetch0(&vec->ptrs[i]); if (flags & NIX_RX_OFFLOAD_TSTAMP_F && tstamp) mbuf_init |= 8; meta_aura = ws->meta_aura; nb_mbufs = RTE_ALIGN_FLOOR(vec->nb_elem, NIX_DESCS_PER_LOOP); nb_mbufs = cn10k_nix_recv_pkts_vector(&mbuf_init, wqe, nb_mbufs, flags | NIX_RX_VWQE_F, lookup_mem, tstamp, lbase, meta_aura); wqe += nb_mbufs; non_vec = vec->nb_elem - nb_mbufs; if (flags & NIX_RX_OFFLOAD_SECURITY_F && non_vec) { uint64_t sg_w1; mbuf = (struct rte_mbuf *)((uintptr_t)wqe[0] - sizeof(struct rte_mbuf)); /* Pick first mbuf's aura handle assuming all * mbufs are from a vec and are from same RQ. */ meta_aura = ws->meta_aura; if (!meta_aura) meta_aura = mbuf->pool->pool_id; ROC_LMT_BASE_ID_GET(lbase, lmt_id); laddr = lbase; laddr += 8; sg_w1 = *(uint64_t *)(((uintptr_t)wqe[0]) + 72); d_off = sg_w1 - (uintptr_t)mbuf; sa_base = cnxk_nix_sa_base_get(mbuf_init >> 48, lookup_mem); sa_base &= ~(ROC_NIX_INL_SA_BASE_ALIGN - 1); } while (non_vec) { struct nix_cqe_hdr_s *cqe = (struct nix_cqe_hdr_s *)wqe[0]; mbuf = (struct rte_mbuf *)((char *)cqe - sizeof(struct rte_mbuf)); /* Mark mempool obj as "get" as it is alloc'ed by NIX */ RTE_MEMPOOL_CHECK_COOKIES(mbuf->pool, (void **)&mbuf, 1, 1); /* Translate meta to mbuf */ if (flags & NIX_RX_OFFLOAD_SECURITY_F) { const uint64_t cq_w1 = *((const uint64_t *)cqe + 1); const uint64_t cq_w5 = *((const uint64_t *)cqe + 5); mbuf = nix_sec_meta_to_mbuf_sc(cq_w1, cq_w5, sa_base, laddr, &loff, mbuf, d_off, flags, mbuf_init); } cn10k_nix_cqe_to_mbuf(cqe, cqe->tag, mbuf, lookup_mem, mbuf_init, flags); if (flags & NIX_RX_OFFLOAD_TSTAMP_F) cn10k_sso_process_tstamp((uint64_t)wqe[0], (uint64_t)mbuf, tstamp); wqe[0] = (struct rte_mbuf *)mbuf; non_vec--; wqe++; } /* Free remaining meta buffers if any */ if (flags & NIX_RX_OFFLOAD_SECURITY_F && loff) { nix_sec_flush_meta(laddr, lmt_id, loff, meta_aura); plt_io_wmb(); } } static __rte_always_inline void cn10k_sso_hws_post_process(struct cn10k_sso_hws *ws, uint64_t *u64, const uint32_t flags) { u64[0] = (u64[0] & (0x3ull << 32)) << 6 | (u64[0] & (0x3FFull << 36)) << 4 | (u64[0] & 0xffffffff); if ((flags & CPT_RX_WQE_F) && (CNXK_EVENT_TYPE_FROM_TAG(u64[0]) == RTE_EVENT_TYPE_CRYPTODEV)) { u64[1] = cn10k_cpt_crypto_adapter_dequeue(u64[1]); } else if ((flags & CPT_RX_WQE_F) && (CNXK_EVENT_TYPE_FROM_TAG(u64[0]) == RTE_EVENT_TYPE_CRYPTODEV_VECTOR)) { u64[1] = cn10k_cpt_crypto_adapter_vector_dequeue(u64[1]); } else if (CNXK_EVENT_TYPE_FROM_TAG(u64[0]) == RTE_EVENT_TYPE_ETHDEV) { uint8_t port = CNXK_SUB_EVENT_FROM_TAG(u64[0]); uint64_t mbuf; mbuf = u64[1] - sizeof(struct rte_mbuf); rte_prefetch0((void *)mbuf); /* Mark mempool obj as "get" as it is alloc'ed by NIX */ RTE_MEMPOOL_CHECK_COOKIES(((struct rte_mbuf *)mbuf)->pool, (void **)&mbuf, 1, 1); if (flags & NIX_RX_OFFLOAD_SECURITY_F) { const uint64_t mbuf_init = 0x100010000ULL | RTE_PKTMBUF_HEADROOM | (flags & NIX_RX_OFFLOAD_TSTAMP_F ? 8 : 0); struct rte_mbuf *m; uintptr_t sa_base; uint64_t iova = 0; uint8_t loff = 0; uint16_t d_off; uint64_t cq_w1; uint64_t cq_w5; m = (struct rte_mbuf *)mbuf; d_off = (*(uint64_t *)(u64[1] + 72)) - (uintptr_t)m; cq_w1 = *(uint64_t *)(u64[1] + 8); cq_w5 = *(uint64_t *)(u64[1] + 40); sa_base = cnxk_nix_sa_base_get(port, ws->lookup_mem); sa_base &= ~(ROC_NIX_INL_SA_BASE_ALIGN - 1); mbuf = (uint64_t)nix_sec_meta_to_mbuf_sc( cq_w1, cq_w5, sa_base, (uintptr_t)&iova, &loff, (struct rte_mbuf *)mbuf, d_off, flags, mbuf_init | ((uint64_t)port) << 48); if (loff) roc_npa_aura_op_free(m->pool->pool_id, 0, iova); } u64[0] = CNXK_CLR_SUB_EVENT(u64[0]); cn10k_wqe_to_mbuf(u64[1], mbuf, port, u64[0] & 0xFFFFF, flags, ws->lookup_mem); if (flags & NIX_RX_OFFLOAD_TSTAMP_F) cn10k_sso_process_tstamp(u64[1], mbuf, ws->tstamp[port]); u64[1] = mbuf; } else if (CNXK_EVENT_TYPE_FROM_TAG(u64[0]) == RTE_EVENT_TYPE_ETHDEV_VECTOR) { uint8_t port = CNXK_SUB_EVENT_FROM_TAG(u64[0]); __uint128_t vwqe_hdr = *(__uint128_t *)u64[1]; vwqe_hdr = ((vwqe_hdr >> 64) & 0xFFF) | BIT_ULL(31) | ((vwqe_hdr & 0xFFFF) << 48) | ((uint64_t)port << 32); *(uint64_t *)u64[1] = (uint64_t)vwqe_hdr; cn10k_process_vwqe(u64[1], port, flags, ws); /* Mark vector mempool object as get */ RTE_MEMPOOL_CHECK_COOKIES(rte_mempool_from_obj((void *)u64[1]), (void **)&u64[1], 1, 1); } } static __rte_always_inline uint16_t cn10k_sso_hws_get_work(struct cn10k_sso_hws *ws, struct rte_event *ev, const uint32_t flags) { union { __uint128_t get_work; uint64_t u64[2]; } gw; gw.get_work = ws->gw_wdata; #if defined(RTE_ARCH_ARM64) && !defined(__clang__) asm volatile( PLT_CPU_FEATURE_PREAMBLE "caspal %[wdata], %H[wdata], %[wdata], %H[wdata], [%[gw_loc]]\n" : [wdata] "+r"(gw.get_work) : [gw_loc] "r"(ws->base + SSOW_LF_GWS_OP_GET_WORK0) : "memory"); #else plt_write64(gw.u64[0], ws->base + SSOW_LF_GWS_OP_GET_WORK0); do { roc_load_pair(gw.u64[0], gw.u64[1], ws->base + SSOW_LF_GWS_WQE0); } while (gw.u64[0] & BIT_ULL(63)); #endif ws->gw_rdata = gw.u64[0]; if (gw.u64[1]) cn10k_sso_hws_post_process(ws, gw.u64, flags); else gw.u64[0] = (gw.u64[0] & (0x3ull << 32)) << 6 | (gw.u64[0] & (0x3FFull << 36)) << 4 | (gw.u64[0] & 0xffffffff); ev->event = gw.u64[0]; ev->u64 = gw.u64[1]; return !!gw.u64[1]; } /* Used in cleaning up workslot. */ static __rte_always_inline uint16_t cn10k_sso_hws_get_work_empty(struct cn10k_sso_hws *ws, struct rte_event *ev, const uint32_t flags) { union { __uint128_t get_work; uint64_t u64[2]; } gw; #ifdef RTE_ARCH_ARM64 asm volatile(PLT_CPU_FEATURE_PREAMBLE " ldp %[tag], %[wqp], [%[tag_loc]] \n" " tbz %[tag], 63, done%= \n" " sevl \n" "rty%=: wfe \n" " ldp %[tag], %[wqp], [%[tag_loc]] \n" " tbnz %[tag], 63, rty%= \n" "done%=: dmb ld \n" : [tag] "=&r"(gw.u64[0]), [wqp] "=&r"(gw.u64[1]) : [tag_loc] "r"(ws->base + SSOW_LF_GWS_WQE0) : "memory"); #else do { roc_load_pair(gw.u64[0], gw.u64[1], ws->base + SSOW_LF_GWS_WQE0); } while (gw.u64[0] & BIT_ULL(63)); #endif ws->gw_rdata = gw.u64[0]; if (gw.u64[1]) cn10k_sso_hws_post_process(ws, gw.u64, flags); ev->event = gw.u64[0]; ev->u64 = gw.u64[1]; return !!gw.u64[1]; } /* CN10K Fastpath functions. */ uint16_t __rte_hot cn10k_sso_hws_enq(void *port, const struct rte_event *ev); uint16_t __rte_hot cn10k_sso_hws_enq_burst(void *port, const struct rte_event ev[], uint16_t nb_events); uint16_t __rte_hot cn10k_sso_hws_enq_new_burst(void *port, const struct rte_event ev[], uint16_t nb_events); uint16_t __rte_hot cn10k_sso_hws_enq_fwd_burst(void *port, const struct rte_event ev[], uint16_t nb_events); #define R(name, flags) \ uint16_t __rte_hot cn10k_sso_hws_deq_##name( \ void *port, struct rte_event *ev, uint64_t timeout_ticks); \ uint16_t __rte_hot cn10k_sso_hws_deq_burst_##name( \ void *port, struct rte_event ev[], uint16_t nb_events, \ uint64_t timeout_ticks); \ uint16_t __rte_hot cn10k_sso_hws_deq_tmo_##name( \ void *port, struct rte_event *ev, uint64_t timeout_ticks); \ uint16_t __rte_hot cn10k_sso_hws_deq_tmo_burst_##name( \ void *port, struct rte_event ev[], uint16_t nb_events, \ uint64_t timeout_ticks); \ uint16_t __rte_hot cn10k_sso_hws_deq_ca_##name( \ void *port, struct rte_event *ev, uint64_t timeout_ticks); \ uint16_t __rte_hot cn10k_sso_hws_deq_ca_burst_##name( \ void *port, struct rte_event ev[], uint16_t nb_events, \ uint64_t timeout_ticks); \ uint16_t __rte_hot cn10k_sso_hws_deq_tmo_ca_##name( \ void *port, struct rte_event *ev, uint64_t timeout_ticks); \ uint16_t __rte_hot cn10k_sso_hws_deq_tmo_ca_burst_##name( \ void *port, struct rte_event ev[], uint16_t nb_events, \ uint64_t timeout_ticks); \ uint16_t __rte_hot cn10k_sso_hws_deq_seg_##name( \ void *port, struct rte_event *ev, uint64_t timeout_ticks); \ uint16_t __rte_hot cn10k_sso_hws_deq_seg_burst_##name( \ void *port, struct rte_event ev[], uint16_t nb_events, \ uint64_t timeout_ticks); \ uint16_t __rte_hot cn10k_sso_hws_deq_tmo_seg_##name( \ void *port, struct rte_event *ev, uint64_t timeout_ticks); \ uint16_t __rte_hot cn10k_sso_hws_deq_tmo_seg_burst_##name( \ void *port, struct rte_event ev[], uint16_t nb_events, \ uint64_t timeout_ticks); \ uint16_t __rte_hot cn10k_sso_hws_deq_ca_seg_##name( \ void *port, struct rte_event *ev, uint64_t timeout_ticks); \ uint16_t __rte_hot cn10k_sso_hws_deq_ca_seg_burst_##name( \ void *port, struct rte_event ev[], uint16_t nb_events, \ uint64_t timeout_ticks); \ uint16_t __rte_hot cn10k_sso_hws_deq_tmo_ca_seg_##name( \ void *port, struct rte_event *ev, uint64_t timeout_ticks); \ uint16_t __rte_hot cn10k_sso_hws_deq_tmo_ca_seg_burst_##name( \ void *port, struct rte_event ev[], uint16_t nb_events, \ uint64_t timeout_ticks); \ uint16_t __rte_hot cn10k_sso_hws_reas_deq_##name( \ void *port, struct rte_event *ev, uint64_t timeout_ticks); \ uint16_t __rte_hot cn10k_sso_hws_reas_deq_burst_##name( \ void *port, struct rte_event ev[], uint16_t nb_events, \ uint64_t timeout_ticks); \ uint16_t __rte_hot cn10k_sso_hws_reas_deq_tmo_##name( \ void *port, struct rte_event *ev, uint64_t timeout_ticks); \ uint16_t __rte_hot cn10k_sso_hws_reas_deq_tmo_burst_##name( \ void *port, struct rte_event ev[], uint16_t nb_events, \ uint64_t timeout_ticks); \ uint16_t __rte_hot cn10k_sso_hws_reas_deq_ca_##name( \ void *port, struct rte_event *ev, uint64_t timeout_ticks); \ uint16_t __rte_hot cn10k_sso_hws_reas_deq_ca_burst_##name( \ void *port, struct rte_event ev[], uint16_t nb_events, \ uint64_t timeout_ticks); \ uint16_t __rte_hot cn10k_sso_hws_reas_deq_tmo_ca_##name( \ void *port, struct rte_event *ev, uint64_t timeout_ticks); \ uint16_t __rte_hot cn10k_sso_hws_reas_deq_tmo_ca_burst_##name( \ void *port, struct rte_event ev[], uint16_t nb_events, \ uint64_t timeout_ticks); \ uint16_t __rte_hot cn10k_sso_hws_reas_deq_seg_##name( \ void *port, struct rte_event *ev, uint64_t timeout_ticks); \ uint16_t __rte_hot cn10k_sso_hws_reas_deq_seg_burst_##name( \ void *port, struct rte_event ev[], uint16_t nb_events, \ uint64_t timeout_ticks); \ uint16_t __rte_hot cn10k_sso_hws_reas_deq_tmo_seg_##name( \ void *port, struct rte_event *ev, uint64_t timeout_ticks); \ uint16_t __rte_hot cn10k_sso_hws_reas_deq_tmo_seg_burst_##name( \ void *port, struct rte_event ev[], uint16_t nb_events, \ uint64_t timeout_ticks); \ uint16_t __rte_hot cn10k_sso_hws_reas_deq_ca_seg_##name( \ void *port, struct rte_event *ev, uint64_t timeout_ticks); \ uint16_t __rte_hot cn10k_sso_hws_reas_deq_ca_seg_burst_##name( \ void *port, struct rte_event ev[], uint16_t nb_events, \ uint64_t timeout_ticks); \ uint16_t __rte_hot cn10k_sso_hws_reas_deq_tmo_ca_seg_##name( \ void *port, struct rte_event *ev, uint64_t timeout_ticks); \ uint16_t __rte_hot cn10k_sso_hws_reas_deq_tmo_ca_seg_burst_##name( \ void *port, struct rte_event ev[], uint16_t nb_events, \ uint64_t timeout_ticks); NIX_RX_FASTPATH_MODES #undef R #define SSO_DEQ(fn, flags) \ uint16_t __rte_hot fn(void *port, struct rte_event *ev, \ uint64_t timeout_ticks) \ { \ struct cn10k_sso_hws *ws = port; \ RTE_SET_USED(timeout_ticks); \ if (ws->swtag_req) { \ ws->swtag_req = 0; \ ws->gw_rdata = cnxk_sso_hws_swtag_wait( \ ws->base + SSOW_LF_GWS_WQE0); \ return 1; \ } \ return cn10k_sso_hws_get_work(ws, ev, flags); \ } #define SSO_DEQ_SEG(fn, flags) SSO_DEQ(fn, flags | NIX_RX_MULTI_SEG_F) #define SSO_DEQ_CA(fn, flags) SSO_DEQ(fn, flags | CPT_RX_WQE_F) #define SSO_DEQ_CA_SEG(fn, flags) SSO_DEQ_SEG(fn, flags | CPT_RX_WQE_F) #define SSO_DEQ_TMO(fn, flags) \ uint16_t __rte_hot fn(void *port, struct rte_event *ev, \ uint64_t timeout_ticks) \ { \ struct cn10k_sso_hws *ws = port; \ uint16_t ret = 1; \ uint64_t iter; \ if (ws->swtag_req) { \ ws->swtag_req = 0; \ ws->gw_rdata = cnxk_sso_hws_swtag_wait( \ ws->base + SSOW_LF_GWS_WQE0); \ return ret; \ } \ ret = cn10k_sso_hws_get_work(ws, ev, flags); \ for (iter = 1; iter < timeout_ticks && (ret == 0); iter++) \ ret = cn10k_sso_hws_get_work(ws, ev, flags); \ return ret; \ } #define SSO_DEQ_TMO_SEG(fn, flags) SSO_DEQ_TMO(fn, flags | NIX_RX_MULTI_SEG_F) #define SSO_DEQ_TMO_CA(fn, flags) SSO_DEQ_TMO(fn, flags | CPT_RX_WQE_F) #define SSO_DEQ_TMO_CA_SEG(fn, flags) SSO_DEQ_TMO_SEG(fn, flags | CPT_RX_WQE_F) #define SSO_CMN_DEQ_BURST(fnb, fn, flags) \ uint16_t __rte_hot fnb(void *port, struct rte_event ev[], \ uint16_t nb_events, uint64_t timeout_ticks) \ { \ RTE_SET_USED(nb_events); \ return fn(port, ev, timeout_ticks); \ } #define SSO_CMN_DEQ_SEG_BURST(fnb, fn, flags) \ uint16_t __rte_hot fnb(void *port, struct rte_event ev[], \ uint16_t nb_events, uint64_t timeout_ticks) \ { \ RTE_SET_USED(nb_events); \ return fn(port, ev, timeout_ticks); \ } static __rte_always_inline struct cn10k_eth_txq * cn10k_sso_hws_xtract_meta(struct rte_mbuf *m, const uint64_t *txq_data) { return (struct cn10k_eth_txq *)(txq_data[(txq_data[m->port] >> 48) + rte_event_eth_tx_adapter_txq_get(m)] & (BIT_ULL(48) - 1)); } static __rte_always_inline void cn10k_sso_txq_fc_wait(const struct cn10k_eth_txq *txq) { while ((uint64_t)txq->nb_sqb_bufs_adj <= __atomic_load_n(txq->fc_mem, __ATOMIC_RELAXED)) ; } static __rte_always_inline int32_t cn10k_sso_sq_depth(const struct cn10k_eth_txq *txq) { return (txq->nb_sqb_bufs_adj - __atomic_load_n((int16_t *)txq->fc_mem, __ATOMIC_RELAXED)) << txq->sqes_per_sqb_log2; } static __rte_always_inline uint16_t cn10k_sso_tx_one(struct cn10k_sso_hws *ws, struct rte_mbuf *m, uint64_t *cmd, uint16_t lmt_id, uintptr_t lmt_addr, uint8_t sched_type, const uint64_t *txq_data, const uint32_t flags) { uint8_t lnum = 0, loff = 0, shft = 0; uint16_t ref_cnt = m->refcnt; struct cn10k_eth_txq *txq; uintptr_t laddr; uint16_t segdw; uintptr_t pa; bool sec; txq = cn10k_sso_hws_xtract_meta(m, txq_data); if (cn10k_sso_sq_depth(txq) <= 0) return 0; cn10k_nix_tx_skeleton(txq, cmd, flags, 0); /* Perform header writes before barrier * for TSO */ if (flags & NIX_TX_OFFLOAD_TSO_F) cn10k_nix_xmit_prepare_tso(m, flags); cn10k_nix_xmit_prepare(m, cmd, flags, txq->lso_tun_fmt, &sec, txq->mark_flag, txq->mark_fmt); laddr = lmt_addr; /* Prepare CPT instruction and get nixtx addr if * it is for CPT on same lmtline. */ if (flags & NIX_TX_OFFLOAD_SECURITY_F && sec) cn10k_nix_prep_sec(m, cmd, &laddr, lmt_addr, &lnum, &loff, &shft, txq->sa_base, flags); /* Move NIX desc to LMT/NIXTX area */ cn10k_nix_xmit_mv_lmt_base(laddr, cmd, flags); if (flags & NIX_TX_MULTI_SEG_F) segdw = cn10k_nix_prepare_mseg(m, (uint64_t *)laddr, flags); else segdw = cn10k_nix_tx_ext_subs(flags) + 2; cn10k_nix_xmit_prepare_tstamp(txq, laddr, m->ol_flags, segdw, flags); if (flags & NIX_TX_OFFLOAD_SECURITY_F && sec) pa = txq->cpt_io_addr | 3 << 4; else pa = txq->io_addr | ((segdw - 1) << 4); if (!CNXK_TAG_IS_HEAD(ws->gw_rdata) && !sched_type) ws->gw_rdata = roc_sso_hws_head_wait(ws->base); cn10k_sso_txq_fc_wait(txq); if (flags & NIX_TX_OFFLOAD_SECURITY_F && sec) cn10k_nix_sec_fc_wait_one(txq); roc_lmt_submit_steorl(lmt_id, pa); if (flags & NIX_TX_OFFLOAD_MBUF_NOFF_F) { if (ref_cnt > 1) rte_io_wmb(); } return 1; } static __rte_always_inline uint16_t cn10k_sso_vwqe_split_tx(struct cn10k_sso_hws *ws, struct rte_mbuf **mbufs, uint16_t nb_mbufs, uint64_t *cmd, const uint64_t *txq_data, const uint32_t flags) { uint16_t count = 0, port, queue, ret = 0, last_idx = 0; struct cn10k_eth_txq *txq; int32_t space; int i; port = mbufs[0]->port; queue = rte_event_eth_tx_adapter_txq_get(mbufs[0]); for (i = 0; i < nb_mbufs; i++) { if (port != mbufs[i]->port || queue != rte_event_eth_tx_adapter_txq_get(mbufs[i])) { if (count) { txq = (struct cn10k_eth_txq *)(txq_data[(txq_data[port] >> 48) + queue] & (BIT_ULL(48) - 1)); /* Transmit based on queue depth */ space = cn10k_sso_sq_depth(txq); if (space < count) goto done; cn10k_nix_xmit_pkts_vector( txq, (uint64_t *)ws, &mbufs[last_idx], count, cmd, flags | NIX_TX_VWQE_F); ret += count; count = 0; } port = mbufs[i]->port; queue = rte_event_eth_tx_adapter_txq_get(mbufs[i]); last_idx = i; } count++; } if (count) { txq = (struct cn10k_eth_txq *)(txq_data[(txq_data[port] >> 48) + queue] & (BIT_ULL(48) - 1)); /* Transmit based on queue depth */ space = cn10k_sso_sq_depth(txq); if (space < count) goto done; cn10k_nix_xmit_pkts_vector(txq, (uint64_t *)ws, &mbufs[last_idx], count, cmd, flags | NIX_TX_VWQE_F); ret += count; } done: return ret; } static __rte_always_inline uint16_t cn10k_sso_hws_event_tx(struct cn10k_sso_hws *ws, struct rte_event *ev, uint64_t *cmd, const uint64_t *txq_data, const uint32_t flags) { struct cn10k_eth_txq *txq; struct rte_mbuf *m; uintptr_t lmt_addr; uint16_t lmt_id; lmt_addr = ws->lmt_base; ROC_LMT_BASE_ID_GET(lmt_addr, lmt_id); if (ev->event_type & RTE_EVENT_TYPE_VECTOR) { struct rte_mbuf **mbufs = ev->vec->mbufs; uint64_t meta = *(uint64_t *)ev->vec; uint16_t offset, nb_pkts, left; int32_t space; nb_pkts = meta & 0xFFFF; offset = (meta >> 16) & 0xFFF; if (meta & BIT(31)) { txq = (struct cn10k_eth_txq *)(txq_data[(txq_data[meta >> 32] >> 48) + (meta >> 48)] & (BIT_ULL(48) - 1)); /* Transmit based on queue depth */ space = cn10k_sso_sq_depth(txq); if (space <= 0) return 0; nb_pkts = nb_pkts < space ? nb_pkts : (uint16_t)space; cn10k_nix_xmit_pkts_vector(txq, (uint64_t *)ws, mbufs + offset, nb_pkts, cmd, flags | NIX_TX_VWQE_F); } else { nb_pkts = cn10k_sso_vwqe_split_tx(ws, mbufs + offset, nb_pkts, cmd, txq_data, flags); } left = (meta & 0xFFFF) - nb_pkts; if (!left) { rte_mempool_put(rte_mempool_from_obj(ev->vec), ev->vec); } else { *(uint64_t *)ev->vec = (meta & ~0xFFFFFFFUL) | (((uint32_t)nb_pkts + offset) << 16) | left; } rte_prefetch0(ws); return !left; } m = ev->mbuf; return cn10k_sso_tx_one(ws, m, cmd, lmt_id, lmt_addr, ev->sched_type, txq_data, flags); } #define T(name, sz, flags) \ uint16_t __rte_hot cn10k_sso_hws_tx_adptr_enq_##name( \ void *port, struct rte_event ev[], uint16_t nb_events); \ uint16_t __rte_hot cn10k_sso_hws_tx_adptr_enq_seg_##name( \ void *port, struct rte_event ev[], uint16_t nb_events); NIX_TX_FASTPATH_MODES #undef T #define SSO_TX(fn, sz, flags) \ uint16_t __rte_hot fn(void *port, struct rte_event ev[], \ uint16_t nb_events) \ { \ struct cn10k_sso_hws *ws = port; \ uint64_t cmd[sz]; \ RTE_SET_USED(nb_events); \ return cn10k_sso_hws_event_tx( \ ws, &ev[0], cmd, (const uint64_t *)ws->tx_adptr_data, \ flags); \ } #define SSO_TX_SEG(fn, sz, flags) \ uint16_t __rte_hot fn(void *port, struct rte_event ev[], \ uint16_t nb_events) \ { \ uint64_t cmd[(sz) + CNXK_NIX_TX_MSEG_SG_DWORDS - 2]; \ struct cn10k_sso_hws *ws = port; \ RTE_SET_USED(nb_events); \ return cn10k_sso_hws_event_tx( \ ws, &ev[0], cmd, (const uint64_t *)ws->tx_adptr_data, \ (flags) | NIX_TX_MULTI_SEG_F); \ } #endif