#define __CN10K_RX_H__
#include <rte_ether.h>
+#include <rte_vect.h>
+#include <cnxk_ethdev.h>
+
+#define NIX_RX_OFFLOAD_NONE (0)
+#define NIX_RX_OFFLOAD_RSS_F BIT(0)
#define NIX_RX_OFFLOAD_PTYPE_F BIT(1)
+#define NIX_RX_OFFLOAD_CHECKSUM_F BIT(2)
+#define NIX_RX_OFFLOAD_MARK_UPDATE_F BIT(3)
+#define NIX_RX_OFFLOAD_TSTAMP_F BIT(4)
+#define NIX_RX_OFFLOAD_VLAN_STRIP_F BIT(5)
+
+/* Flags to control cqe_to_mbuf conversion function.
+ * Defining it from backwards to denote its been
+ * not used as offload flags to pick function
+ */
+#define NIX_RX_VWQE_F BIT(14)
+#define NIX_RX_MULTI_SEG_F BIT(15)
+
+#define CNXK_NIX_CQ_ENTRY_SZ 128
+#define NIX_DESCS_PER_LOOP 4
+#define CQE_CAST(x) ((struct nix_cqe_hdr_s *)(x))
+#define CQE_SZ(x) ((x) * CNXK_NIX_CQ_ENTRY_SZ)
+
+#define CQE_PTR_OFF(b, i, o, f) \
+ (((f) & NIX_RX_VWQE_F) ? \
+ (uint64_t *)(((uintptr_t)((uint64_t *)(b))[i]) + (o)) : \
+ (uint64_t *)(((uintptr_t)(b)) + CQE_SZ(i) + (o)))
+
+union mbuf_initializer {
+ struct {
+ uint16_t data_off;
+ uint16_t refcnt;
+ uint16_t nb_segs;
+ uint16_t port;
+ } fields;
+ uint64_t value;
+};
+
+static __rte_always_inline uint64_t
+nix_clear_data_off(uint64_t oldval)
+{
+ union mbuf_initializer mbuf_init = {.value = oldval};
+
+ mbuf_init.fields.data_off = 0;
+ return mbuf_init.value;
+}
+
+static __rte_always_inline struct rte_mbuf *
+nix_get_mbuf_from_cqe(void *cq, const uint64_t data_off)
+{
+ rte_iova_t buff;
+
+ /* Skip CQE, NIX_RX_PARSE_S and SG HDR(9 DWORDs) and peek buff addr */
+ buff = *((rte_iova_t *)((uint64_t *)cq + 9));
+ return (struct rte_mbuf *)(buff - data_off);
+}
+
+static __rte_always_inline uint32_t
+nix_ptype_get(const void *const lookup_mem, const uint64_t in)
+{
+ const uint16_t *const ptype = lookup_mem;
+ const uint16_t lh_lg_lf = (in & 0xFFF0000000000000) >> 52;
+ const uint16_t tu_l2 = ptype[(in & 0x000FFFF000000000) >> 36];
+ const uint16_t il4_tu = ptype[PTYPE_NON_TUNNEL_ARRAY_SZ + lh_lg_lf];
+
+ return (il4_tu << PTYPE_NON_TUNNEL_WIDTH) | tu_l2;
+}
+
+static __rte_always_inline uint32_t
+nix_rx_olflags_get(const void *const lookup_mem, const uint64_t in)
+{
+ const uint32_t *const ol_flags =
+ (const uint32_t *)((const uint8_t *)lookup_mem +
+ PTYPE_ARRAY_SZ);
+
+ return ol_flags[(in & 0xfff00000) >> 20];
+}
+
+static inline uint64_t
+nix_update_match_id(const uint16_t match_id, uint64_t ol_flags,
+ struct rte_mbuf *mbuf)
+{
+ /* There is no separate bit to check match_id
+ * is valid or not? and no flag to identify it is an
+ * RTE_FLOW_ACTION_TYPE_FLAG vs RTE_FLOW_ACTION_TYPE_MARK
+ * action. The former case addressed through 0 being invalid
+ * value and inc/dec match_id pair when MARK is activated.
+ * The later case addressed through defining
+ * CNXK_FLOW_MARK_DEFAULT as value for
+ * RTE_FLOW_ACTION_TYPE_MARK.
+ * This would translate to not use
+ * CNXK_FLOW_ACTION_FLAG_DEFAULT - 1 and
+ * CNXK_FLOW_ACTION_FLAG_DEFAULT for match_id.
+ * i.e valid mark_id's are from
+ * 0 to CNXK_FLOW_ACTION_FLAG_DEFAULT - 2
+ */
+ if (likely(match_id)) {
+ ol_flags |= RTE_MBUF_F_RX_FDIR;
+ if (match_id != CNXK_FLOW_ACTION_FLAG_DEFAULT) {
+ ol_flags |= RTE_MBUF_F_RX_FDIR_ID;
+ mbuf->hash.fdir.hi = match_id - 1;
+ }
+ }
+
+ return ol_flags;
+}
+
+static __rte_always_inline void
+nix_cqe_xtract_mseg(const union nix_rx_parse_u *rx, struct rte_mbuf *mbuf,
+ uint64_t rearm, const uint16_t flags)
+{
+ const rte_iova_t *iova_list;
+ struct rte_mbuf *head;
+ const rte_iova_t *eol;
+ uint8_t nb_segs;
+ uint64_t sg;
+
+ sg = *(const uint64_t *)(rx + 1);
+ nb_segs = (sg >> 48) & 0x3;
+
+ if (nb_segs == 1) {
+ mbuf->next = NULL;
+ return;
+ }
+
+ mbuf->pkt_len = (rx->pkt_lenm1 + 1) - (flags & NIX_RX_OFFLOAD_TSTAMP_F ?
+ CNXK_NIX_TIMESYNC_RX_OFFSET : 0);
+ mbuf->data_len = (sg & 0xFFFF) - (flags & NIX_RX_OFFLOAD_TSTAMP_F ?
+ CNXK_NIX_TIMESYNC_RX_OFFSET : 0);
+ mbuf->nb_segs = nb_segs;
+ sg = sg >> 16;
+
+ eol = ((const rte_iova_t *)(rx + 1) + ((rx->desc_sizem1 + 1) << 1));
+ /* Skip SG_S and first IOVA*/
+ iova_list = ((const rte_iova_t *)(rx + 1)) + 2;
+ nb_segs--;
+
+ rearm = rearm & ~0xFFFF;
+
+ head = mbuf;
+ while (nb_segs) {
+ mbuf->next = ((struct rte_mbuf *)*iova_list) - 1;
+ mbuf = mbuf->next;
+
+ __mempool_check_cookies(mbuf->pool, (void **)&mbuf, 1, 1);
+
+ mbuf->data_len = sg & 0xFFFF;
+ sg = sg >> 16;
+ *(uint64_t *)(&mbuf->rearm_data) = rearm;
+ nb_segs--;
+ iova_list++;
+
+ if (!nb_segs && (iova_list + 1 < eol)) {
+ sg = *(const uint64_t *)(iova_list);
+ nb_segs = (sg >> 48) & 0x3;
+ head->nb_segs += nb_segs;
+ iova_list = (const rte_iova_t *)(iova_list + 1);
+ }
+ }
+ mbuf->next = NULL;
+}
+
+static __rte_always_inline void
+cn10k_nix_cqe_to_mbuf(const struct nix_cqe_hdr_s *cq, const uint32_t tag,
+ struct rte_mbuf *mbuf, const void *lookup_mem,
+ const uint64_t val, const uint16_t flag)
+{
+ const union nix_rx_parse_u *rx =
+ (const union nix_rx_parse_u *)((const uint64_t *)cq + 1);
+ const uint16_t len = rx->pkt_lenm1 + 1;
+ const uint64_t w1 = *(const uint64_t *)rx;
+ uint64_t ol_flags = 0;
+
+ /* Mark mempool obj as "get" as it is alloc'ed by NIX */
+ __mempool_check_cookies(mbuf->pool, (void **)&mbuf, 1, 1);
+
+ if (flag & NIX_RX_OFFLOAD_PTYPE_F)
+ mbuf->packet_type = nix_ptype_get(lookup_mem, w1);
+ else
+ mbuf->packet_type = 0;
+
+ if (flag & NIX_RX_OFFLOAD_RSS_F) {
+ mbuf->hash.rss = tag;
+ ol_flags |= RTE_MBUF_F_RX_RSS_HASH;
+ }
+
+ if (flag & NIX_RX_OFFLOAD_CHECKSUM_F)
+ ol_flags |= nix_rx_olflags_get(lookup_mem, w1);
+
+ if (flag & NIX_RX_OFFLOAD_VLAN_STRIP_F) {
+ if (rx->vtag0_gone) {
+ ol_flags |= RTE_MBUF_F_RX_VLAN | RTE_MBUF_F_RX_VLAN_STRIPPED;
+ mbuf->vlan_tci = rx->vtag0_tci;
+ }
+ if (rx->vtag1_gone) {
+ ol_flags |= RTE_MBUF_F_RX_QINQ | RTE_MBUF_F_RX_QINQ_STRIPPED;
+ mbuf->vlan_tci_outer = rx->vtag1_tci;
+ }
+ }
+
+ if (flag & NIX_RX_OFFLOAD_MARK_UPDATE_F)
+ ol_flags = nix_update_match_id(rx->match_id, ol_flags, mbuf);
+
+ mbuf->ol_flags = ol_flags;
+ mbuf->pkt_len = len;
+ mbuf->data_len = len;
+ *(uint64_t *)(&mbuf->rearm_data) = val;
+
+ if (flag & NIX_RX_MULTI_SEG_F)
+ nix_cqe_xtract_mseg(rx, mbuf, val, flag);
+ else
+ mbuf->next = NULL;
+}
+
+static inline uint16_t
+nix_rx_nb_pkts(struct cn10k_eth_rxq *rxq, const uint64_t wdata,
+ const uint16_t pkts, const uint32_t qmask)
+{
+ uint32_t available = rxq->available;
+
+ /* Update the available count if cached value is not enough */
+ if (unlikely(available < pkts)) {
+ uint64_t reg, head, tail;
+
+ /* Use LDADDA version to avoid reorder */
+ reg = roc_atomic64_add_sync(wdata, rxq->cq_status);
+ /* CQ_OP_STATUS operation error */
+ if (reg & BIT_ULL(NIX_CQ_OP_STAT_OP_ERR) ||
+ reg & BIT_ULL(NIX_CQ_OP_STAT_CQ_ERR))
+ return 0;
+
+ tail = reg & 0xFFFFF;
+ head = (reg >> 20) & 0xFFFFF;
+ if (tail < head)
+ available = tail - head + qmask + 1;
+ else
+ available = tail - head;
+
+ rxq->available = available;
+ }
+
+ return RTE_MIN(pkts, available);
+}
+
+static __rte_always_inline uint16_t
+cn10k_nix_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t pkts,
+ const uint16_t flags)
+{
+ struct cn10k_eth_rxq *rxq = rx_queue;
+ const uint64_t mbuf_init = rxq->mbuf_initializer;
+ const void *lookup_mem = rxq->lookup_mem;
+ const uint64_t data_off = rxq->data_off;
+ const uintptr_t desc = rxq->desc;
+ const uint64_t wdata = rxq->wdata;
+ const uint32_t qmask = rxq->qmask;
+ uint16_t packets = 0, nb_pkts;
+ uint32_t head = rxq->head;
+ struct nix_cqe_hdr_s *cq;
+ struct rte_mbuf *mbuf;
+
+ nb_pkts = nix_rx_nb_pkts(rxq, wdata, pkts, qmask);
+
+ while (packets < nb_pkts) {
+ /* Prefetch N desc ahead */
+ rte_prefetch_non_temporal(
+ (void *)(desc + (CQE_SZ((head + 2) & qmask))));
+ cq = (struct nix_cqe_hdr_s *)(desc + CQE_SZ(head));
+
+ mbuf = nix_get_mbuf_from_cqe(cq, data_off);
+
+ cn10k_nix_cqe_to_mbuf(cq, cq->tag, mbuf, lookup_mem, mbuf_init,
+ flags);
+ cnxk_nix_mbuf_to_tstamp(mbuf, rxq->tstamp,
+ (flags & NIX_RX_OFFLOAD_TSTAMP_F),
+ (flags & NIX_RX_MULTI_SEG_F),
+ (uint64_t *)((uint8_t *)mbuf
+ + data_off));
+ rx_pkts[packets++] = mbuf;
+ roc_prefetch_store_keep(mbuf);
+ head++;
+ head &= qmask;
+ }
+
+ rxq->head = head;
+ rxq->available -= nb_pkts;
+
+ /* Free all the CQs that we've processed */
+ plt_write64((wdata | nb_pkts), rxq->cq_door);
+
+ return nb_pkts;
+}
+
+#if defined(RTE_ARCH_ARM64)
+
+static __rte_always_inline uint64_t
+nix_vlan_update(const uint64_t w2, uint64_t ol_flags, uint8x16_t *f)
+{
+ if (w2 & BIT_ULL(21) /* vtag0_gone */) {
+ ol_flags |= RTE_MBUF_F_RX_VLAN | RTE_MBUF_F_RX_VLAN_STRIPPED;
+ *f = vsetq_lane_u16((uint16_t)(w2 >> 32), *f, 5);
+ }
+
+ return ol_flags;
+}
+
+static __rte_always_inline uint64_t
+nix_qinq_update(const uint64_t w2, uint64_t ol_flags, struct rte_mbuf *mbuf)
+{
+ if (w2 & BIT_ULL(23) /* vtag1_gone */) {
+ ol_flags |= RTE_MBUF_F_RX_QINQ | RTE_MBUF_F_RX_QINQ_STRIPPED;
+ mbuf->vlan_tci_outer = (uint16_t)(w2 >> 48);
+ }
+
+ return ol_flags;
+}
+
+static __rte_always_inline uint16_t
+cn10k_nix_recv_pkts_vector(void *args, struct rte_mbuf **mbufs, uint16_t pkts,
+ const uint16_t flags, void *lookup_mem,
+ struct cnxk_timesync_info *tstamp)
+{
+ struct cn10k_eth_rxq *rxq = args;
+ const uint64_t mbuf_initializer = (flags & NIX_RX_VWQE_F) ?
+ *(uint64_t *)args :
+ rxq->mbuf_initializer;
+ const uint64x2_t data_off = flags & NIX_RX_VWQE_F ?
+ vdupq_n_u64(0x80ULL) :
+ vdupq_n_u64(rxq->data_off);
+ const uint32_t qmask = flags & NIX_RX_VWQE_F ? 0 : rxq->qmask;
+ const uint64_t wdata = flags & NIX_RX_VWQE_F ? 0 : rxq->wdata;
+ const uintptr_t desc = flags & NIX_RX_VWQE_F ? 0 : rxq->desc;
+ uint64x2_t cq0_w8, cq1_w8, cq2_w8, cq3_w8, mbuf01, mbuf23;
+ uint64_t ol_flags0, ol_flags1, ol_flags2, ol_flags3;
+ uint64x2_t rearm0 = vdupq_n_u64(mbuf_initializer);
+ uint64x2_t rearm1 = vdupq_n_u64(mbuf_initializer);
+ uint64x2_t rearm2 = vdupq_n_u64(mbuf_initializer);
+ uint64x2_t rearm3 = vdupq_n_u64(mbuf_initializer);
+ struct rte_mbuf *mbuf0, *mbuf1, *mbuf2, *mbuf3;
+ uint8x16_t f0, f1, f2, f3;
+ uint16_t packets = 0;
+ uint16_t pkts_left;
+ uint32_t head;
+ uintptr_t cq0;
+
+ if (!(flags & NIX_RX_VWQE_F)) {
+ lookup_mem = rxq->lookup_mem;
+ head = rxq->head;
+
+ pkts = nix_rx_nb_pkts(rxq, wdata, pkts, qmask);
+ pkts_left = pkts & (NIX_DESCS_PER_LOOP - 1);
+ /* Packets has to be floor-aligned to NIX_DESCS_PER_LOOP */
+ pkts = RTE_ALIGN_FLOOR(pkts, NIX_DESCS_PER_LOOP);
+ if (flags & NIX_RX_OFFLOAD_TSTAMP_F)
+ tstamp = rxq->tstamp;
+ } else {
+ RTE_SET_USED(head);
+ }
+
+ while (packets < pkts) {
+ if (!(flags & NIX_RX_VWQE_F)) {
+ /* Exit loop if head is about to wrap and become
+ * unaligned.
+ */
+ if (((head + NIX_DESCS_PER_LOOP - 1) & qmask) <
+ NIX_DESCS_PER_LOOP) {
+ pkts_left += (pkts - packets);
+ break;
+ }
+
+ cq0 = desc + CQE_SZ(head);
+ } else {
+ cq0 = (uintptr_t)&mbufs[packets];
+ }
+
+ /* Prefetch N desc ahead */
+ rte_prefetch_non_temporal(CQE_PTR_OFF(cq0, 8, 0, flags));
+ rte_prefetch_non_temporal(CQE_PTR_OFF(cq0, 9, 0, flags));
+ rte_prefetch_non_temporal(CQE_PTR_OFF(cq0, 10, 0, flags));
+ rte_prefetch_non_temporal(CQE_PTR_OFF(cq0, 11, 0, flags));
+
+ /* Get NIX_RX_SG_S for size and buffer pointer */
+ cq0_w8 = vld1q_u64(CQE_PTR_OFF(cq0, 0, 64, flags));
+ cq1_w8 = vld1q_u64(CQE_PTR_OFF(cq0, 1, 64, flags));
+ cq2_w8 = vld1q_u64(CQE_PTR_OFF(cq0, 2, 64, flags));
+ cq3_w8 = vld1q_u64(CQE_PTR_OFF(cq0, 3, 64, flags));
+
+ if (!(flags & NIX_RX_VWQE_F)) {
+ /* Extract mbuf from NIX_RX_SG_S */
+ mbuf01 = vzip2q_u64(cq0_w8, cq1_w8);
+ mbuf23 = vzip2q_u64(cq2_w8, cq3_w8);
+ mbuf01 = vqsubq_u64(mbuf01, data_off);
+ mbuf23 = vqsubq_u64(mbuf23, data_off);
+ } else {
+ mbuf01 =
+ vsubq_u64(vld1q_u64((uint64_t *)cq0), data_off);
+ mbuf23 = vsubq_u64(vld1q_u64((uint64_t *)(cq0 + 16)),
+ data_off);
+ }
+
+ /* Move mbufs to scalar registers for future use */
+ mbuf0 = (struct rte_mbuf *)vgetq_lane_u64(mbuf01, 0);
+ mbuf1 = (struct rte_mbuf *)vgetq_lane_u64(mbuf01, 1);
+ mbuf2 = (struct rte_mbuf *)vgetq_lane_u64(mbuf23, 0);
+ mbuf3 = (struct rte_mbuf *)vgetq_lane_u64(mbuf23, 1);
+
+ /* Mask to get packet len from NIX_RX_SG_S */
+ const uint8x16_t shuf_msk = {
+ 0xFF, 0xFF, /* pkt_type set as unknown */
+ 0xFF, 0xFF, /* pkt_type set as unknown */
+ 0, 1, /* octet 1~0, low 16 bits pkt_len */
+ 0xFF, 0xFF, /* skip high 16 bits pkt_len, zero out */
+ 0, 1, /* octet 1~0, 16 bits data_len */
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
+
+ /* Form the rx_descriptor_fields1 with pkt_len and data_len */
+ f0 = vqtbl1q_u8(cq0_w8, shuf_msk);
+ f1 = vqtbl1q_u8(cq1_w8, shuf_msk);
+ f2 = vqtbl1q_u8(cq2_w8, shuf_msk);
+ f3 = vqtbl1q_u8(cq3_w8, shuf_msk);
+
+ /* Load CQE word0 and word 1 */
+ const uint64_t cq0_w0 = *CQE_PTR_OFF(cq0, 0, 0, flags);
+ const uint64_t cq0_w1 = *CQE_PTR_OFF(cq0, 0, 8, flags);
+ const uint64_t cq1_w0 = *CQE_PTR_OFF(cq0, 1, 0, flags);
+ const uint64_t cq1_w1 = *CQE_PTR_OFF(cq0, 1, 8, flags);
+ const uint64_t cq2_w0 = *CQE_PTR_OFF(cq0, 2, 0, flags);
+ const uint64_t cq2_w1 = *CQE_PTR_OFF(cq0, 2, 8, flags);
+ const uint64_t cq3_w0 = *CQE_PTR_OFF(cq0, 3, 0, flags);
+ const uint64_t cq3_w1 = *CQE_PTR_OFF(cq0, 3, 8, flags);
+
+ if (flags & NIX_RX_OFFLOAD_RSS_F) {
+ /* Fill rss in the rx_descriptor_fields1 */
+ f0 = vsetq_lane_u32(cq0_w0, f0, 3);
+ f1 = vsetq_lane_u32(cq1_w0, f1, 3);
+ f2 = vsetq_lane_u32(cq2_w0, f2, 3);
+ f3 = vsetq_lane_u32(cq3_w0, f3, 3);
+ ol_flags0 = RTE_MBUF_F_RX_RSS_HASH;
+ ol_flags1 = RTE_MBUF_F_RX_RSS_HASH;
+ ol_flags2 = RTE_MBUF_F_RX_RSS_HASH;
+ ol_flags3 = RTE_MBUF_F_RX_RSS_HASH;
+ } else {
+ ol_flags0 = 0;
+ ol_flags1 = 0;
+ ol_flags2 = 0;
+ ol_flags3 = 0;
+ }
+
+ if (flags & NIX_RX_OFFLOAD_PTYPE_F) {
+ /* Fill packet_type in the rx_descriptor_fields1 */
+ f0 = vsetq_lane_u32(nix_ptype_get(lookup_mem, cq0_w1),
+ f0, 0);
+ f1 = vsetq_lane_u32(nix_ptype_get(lookup_mem, cq1_w1),
+ f1, 0);
+ f2 = vsetq_lane_u32(nix_ptype_get(lookup_mem, cq2_w1),
+ f2, 0);
+ f3 = vsetq_lane_u32(nix_ptype_get(lookup_mem, cq3_w1),
+ f3, 0);
+ }
+
+ if (flags & NIX_RX_OFFLOAD_CHECKSUM_F) {
+ ol_flags0 |= nix_rx_olflags_get(lookup_mem, cq0_w1);
+ ol_flags1 |= nix_rx_olflags_get(lookup_mem, cq1_w1);
+ ol_flags2 |= nix_rx_olflags_get(lookup_mem, cq2_w1);
+ ol_flags3 |= nix_rx_olflags_get(lookup_mem, cq3_w1);
+ }
+
+ if (flags & NIX_RX_OFFLOAD_VLAN_STRIP_F) {
+ uint64_t cq0_w2 = *(uint64_t *)(cq0 + CQE_SZ(0) + 16);
+ uint64_t cq1_w2 = *(uint64_t *)(cq0 + CQE_SZ(1) + 16);
+ uint64_t cq2_w2 = *(uint64_t *)(cq0 + CQE_SZ(2) + 16);
+ uint64_t cq3_w2 = *(uint64_t *)(cq0 + CQE_SZ(3) + 16);
+
+ ol_flags0 = nix_vlan_update(cq0_w2, ol_flags0, &f0);
+ ol_flags1 = nix_vlan_update(cq1_w2, ol_flags1, &f1);
+ ol_flags2 = nix_vlan_update(cq2_w2, ol_flags2, &f2);
+ ol_flags3 = nix_vlan_update(cq3_w2, ol_flags3, &f3);
+
+ ol_flags0 = nix_qinq_update(cq0_w2, ol_flags0, mbuf0);
+ ol_flags1 = nix_qinq_update(cq1_w2, ol_flags1, mbuf1);
+ ol_flags2 = nix_qinq_update(cq2_w2, ol_flags2, mbuf2);
+ ol_flags3 = nix_qinq_update(cq3_w2, ol_flags3, mbuf3);
+ }
+
+ if (flags & NIX_RX_OFFLOAD_MARK_UPDATE_F) {
+ ol_flags0 = nix_update_match_id(
+ *(uint16_t *)CQE_PTR_OFF(cq0, 0, 38, flags),
+ ol_flags0, mbuf0);
+ ol_flags1 = nix_update_match_id(
+ *(uint16_t *)CQE_PTR_OFF(cq0, 1, 38, flags),
+ ol_flags1, mbuf1);
+ ol_flags2 = nix_update_match_id(
+ *(uint16_t *)CQE_PTR_OFF(cq0, 2, 38, flags),
+ ol_flags2, mbuf2);
+ ol_flags3 = nix_update_match_id(
+ *(uint16_t *)CQE_PTR_OFF(cq0, 3, 38, flags),
+ ol_flags3, mbuf3);
+ }
+
+ if (flags & NIX_RX_OFFLOAD_TSTAMP_F) {
+ const uint16x8_t len_off = {
+ 0, /* ptype 0:15 */
+ 0, /* ptype 16:32 */
+ CNXK_NIX_TIMESYNC_RX_OFFSET, /* pktlen 0:15*/
+ 0, /* pktlen 16:32 */
+ CNXK_NIX_TIMESYNC_RX_OFFSET, /* datalen 0:15 */
+ 0,
+ 0,
+ 0};
+ const uint32x4_t ptype = {RTE_PTYPE_L2_ETHER_TIMESYNC,
+ RTE_PTYPE_L2_ETHER_TIMESYNC,
+ RTE_PTYPE_L2_ETHER_TIMESYNC,
+ RTE_PTYPE_L2_ETHER_TIMESYNC};
+ const uint64_t ts_olf = RTE_MBUF_F_RX_IEEE1588_PTP |
+ RTE_MBUF_F_RX_IEEE1588_TMST |
+ tstamp->rx_tstamp_dynflag;
+ const uint32x4_t and_mask = {0x1, 0x2, 0x4, 0x8};
+ uint64x2_t ts01, ts23, mask;
+ uint64_t ts[4];
+ uint8_t res;
+
+ /* Subtract timesync length from total pkt length. */
+ f0 = vsubq_u16(f0, len_off);
+ f1 = vsubq_u16(f1, len_off);
+ f2 = vsubq_u16(f2, len_off);
+ f3 = vsubq_u16(f3, len_off);
+
+ /* Get the address of actual timestamp. */
+ ts01 = vaddq_u64(mbuf01, data_off);
+ ts23 = vaddq_u64(mbuf23, data_off);
+ /* Load timestamp from address. */
+ ts01 = vsetq_lane_u64(*(uint64_t *)vgetq_lane_u64(ts01,
+ 0),
+ ts01, 0);
+ ts01 = vsetq_lane_u64(*(uint64_t *)vgetq_lane_u64(ts01,
+ 1),
+ ts01, 1);
+ ts23 = vsetq_lane_u64(*(uint64_t *)vgetq_lane_u64(ts23,
+ 0),
+ ts23, 0);
+ ts23 = vsetq_lane_u64(*(uint64_t *)vgetq_lane_u64(ts23,
+ 1),
+ ts23, 1);
+ /* Convert from be to cpu byteorder. */
+ ts01 = vrev64q_u8(ts01);
+ ts23 = vrev64q_u8(ts23);
+ /* Store timestamp into scalar for later use. */
+ ts[0] = vgetq_lane_u64(ts01, 0);
+ ts[1] = vgetq_lane_u64(ts01, 1);
+ ts[2] = vgetq_lane_u64(ts23, 0);
+ ts[3] = vgetq_lane_u64(ts23, 1);
+
+ /* Store timestamp into dynfield. */
+ *cnxk_nix_timestamp_dynfield(mbuf0, tstamp) = ts[0];
+ *cnxk_nix_timestamp_dynfield(mbuf1, tstamp) = ts[1];
+ *cnxk_nix_timestamp_dynfield(mbuf2, tstamp) = ts[2];
+ *cnxk_nix_timestamp_dynfield(mbuf3, tstamp) = ts[3];
+
+ /* Generate ptype mask to filter L2 ether timesync */
+ mask = vdupq_n_u32(vgetq_lane_u32(f0, 0));
+ mask = vsetq_lane_u32(vgetq_lane_u32(f1, 0), mask, 1);
+ mask = vsetq_lane_u32(vgetq_lane_u32(f2, 0), mask, 2);
+ mask = vsetq_lane_u32(vgetq_lane_u32(f3, 0), mask, 3);
+
+ /* Match against L2 ether timesync. */
+ mask = vceqq_u32(mask, ptype);
+ /* Convert from vector from scalar mask */
+ res = vaddvq_u32(vandq_u32(mask, and_mask));
+ res &= 0xF;
+
+ if (res) {
+ /* Fill in the ol_flags for any packets that
+ * matched.
+ */
+ ol_flags0 |= ((res & 0x1) ? ts_olf : 0);
+ ol_flags1 |= ((res & 0x2) ? ts_olf : 0);
+ ol_flags2 |= ((res & 0x4) ? ts_olf : 0);
+ ol_flags3 |= ((res & 0x8) ? ts_olf : 0);
+
+ /* Update Rxq timestamp with the latest
+ * timestamp.
+ */
+ tstamp->rx_ready = 1;
+ tstamp->rx_tstamp = ts[31 - __builtin_clz(res)];
+ }
+ }
+
+ /* Form rearm_data with ol_flags */
+ rearm0 = vsetq_lane_u64(ol_flags0, rearm0, 1);
+ rearm1 = vsetq_lane_u64(ol_flags1, rearm1, 1);
+ rearm2 = vsetq_lane_u64(ol_flags2, rearm2, 1);
+ rearm3 = vsetq_lane_u64(ol_flags3, rearm3, 1);
+
+ /* Update rx_descriptor_fields1 */
+ vst1q_u64((uint64_t *)mbuf0->rx_descriptor_fields1, f0);
+ vst1q_u64((uint64_t *)mbuf1->rx_descriptor_fields1, f1);
+ vst1q_u64((uint64_t *)mbuf2->rx_descriptor_fields1, f2);
+ vst1q_u64((uint64_t *)mbuf3->rx_descriptor_fields1, f3);
+
+ /* Update rearm_data */
+ vst1q_u64((uint64_t *)mbuf0->rearm_data, rearm0);
+ vst1q_u64((uint64_t *)mbuf1->rearm_data, rearm1);
+ vst1q_u64((uint64_t *)mbuf2->rearm_data, rearm2);
+ vst1q_u64((uint64_t *)mbuf3->rearm_data, rearm3);
+
+ /* Store the mbufs to rx_pkts */
+ vst1q_u64((uint64_t *)&mbufs[packets], mbuf01);
+ vst1q_u64((uint64_t *)&mbufs[packets + 2], mbuf23);
+
+ if (flags & NIX_RX_MULTI_SEG_F) {
+ /* Multi segment is enable build mseg list for
+ * individual mbufs in scalar mode.
+ */
+ nix_cqe_xtract_mseg((union nix_rx_parse_u *)
+ (CQE_PTR_OFF(cq0, 0, 8, flags)),
+ mbuf0, mbuf_initializer, flags);
+ nix_cqe_xtract_mseg((union nix_rx_parse_u *)
+ (CQE_PTR_OFF(cq0, 1, 8, flags)),
+ mbuf1, mbuf_initializer, flags);
+ nix_cqe_xtract_mseg((union nix_rx_parse_u *)
+ (CQE_PTR_OFF(cq0, 2, 8, flags)),
+ mbuf2, mbuf_initializer, flags);
+ nix_cqe_xtract_mseg((union nix_rx_parse_u *)
+ (CQE_PTR_OFF(cq0, 3, 8, flags)),
+ mbuf3, mbuf_initializer, flags);
+ } else {
+ /* Update that no more segments */
+ mbuf0->next = NULL;
+ mbuf1->next = NULL;
+ mbuf2->next = NULL;
+ mbuf3->next = NULL;
+ }
+
+ /* Prefetch mbufs */
+ roc_prefetch_store_keep(mbuf0);
+ roc_prefetch_store_keep(mbuf1);
+ roc_prefetch_store_keep(mbuf2);
+ roc_prefetch_store_keep(mbuf3);
+
+ /* Mark mempool obj as "get" as it is alloc'ed by NIX */
+ __mempool_check_cookies(mbuf0->pool, (void **)&mbuf0, 1, 1);
+ __mempool_check_cookies(mbuf1->pool, (void **)&mbuf1, 1, 1);
+ __mempool_check_cookies(mbuf2->pool, (void **)&mbuf2, 1, 1);
+ __mempool_check_cookies(mbuf3->pool, (void **)&mbuf3, 1, 1);
+
+ packets += NIX_DESCS_PER_LOOP;
+
+ if (!(flags & NIX_RX_VWQE_F)) {
+ /* Advance head pointer and packets */
+ head += NIX_DESCS_PER_LOOP;
+ head &= qmask;
+ }
+ }
+
+ if (flags & NIX_RX_VWQE_F)
+ return packets;
+
+ rxq->head = head;
+ rxq->available -= packets;
+
+ rte_io_wmb();
+ /* Free all the CQs that we've processed */
+ plt_write64((rxq->wdata | packets), rxq->cq_door);
+
+ if (unlikely(pkts_left))
+ packets += cn10k_nix_recv_pkts(args, &mbufs[packets], pkts_left,
+ flags);
+
+ return packets;
+}
+
+#else
+
+static inline uint16_t
+cn10k_nix_recv_pkts_vector(void *rx_queue, struct rte_mbuf **rx_pkts,
+ uint16_t pkts, const uint16_t flags,
+ void *lookup_mem, void *tstamp)
+{
+ RTE_SET_USED(lookup_mem);
+ RTE_SET_USED(rx_queue);
+ RTE_SET_USED(rx_pkts);
+ RTE_SET_USED(pkts);
+ RTE_SET_USED(flags);
+ RTE_SET_USED(tstamp);
+
+ return 0;
+}
+
+#endif
+
+
+#define RSS_F NIX_RX_OFFLOAD_RSS_F
+#define PTYPE_F NIX_RX_OFFLOAD_PTYPE_F
+#define CKSUM_F NIX_RX_OFFLOAD_CHECKSUM_F
+#define MARK_F NIX_RX_OFFLOAD_MARK_UPDATE_F
+#define TS_F NIX_RX_OFFLOAD_TSTAMP_F
+#define RX_VLAN_F NIX_RX_OFFLOAD_VLAN_STRIP_F
+
+/* [RX_VLAN_F] [TS] [MARK] [CKSUM] [PTYPE] [RSS] */
+#define NIX_RX_FASTPATH_MODES \
+R(no_offload, 0, 0, 0, 0, 0, 0, NIX_RX_OFFLOAD_NONE) \
+R(rss, 0, 0, 0, 0, 0, 1, RSS_F) \
+R(ptype, 0, 0, 0, 0, 1, 0, PTYPE_F) \
+R(ptype_rss, 0, 0, 0, 0, 1, 1, PTYPE_F | RSS_F) \
+R(cksum, 0, 0, 0, 1, 0, 0, CKSUM_F) \
+R(cksum_rss, 0, 0, 0, 1, 0, 1, CKSUM_F | RSS_F) \
+R(cksum_ptype, 0, 0, 0, 1, 1, 0, CKSUM_F | PTYPE_F) \
+R(cksum_ptype_rss, 0, 0, 0, 1, 1, 1, CKSUM_F | PTYPE_F | RSS_F) \
+R(mark, 0, 0, 1, 0, 0, 0, MARK_F) \
+R(mark_rss, 0, 0, 1, 0, 0, 1, MARK_F | RSS_F) \
+R(mark_ptype, 0, 0, 1, 0, 1, 0, MARK_F | PTYPE_F) \
+R(mark_ptype_rss, 0, 0, 1, 0, 1, 1, MARK_F | PTYPE_F | RSS_F) \
+R(mark_cksum, 0, 0, 1, 1, 0, 0, MARK_F | CKSUM_F) \
+R(mark_cksum_rss, 0, 0, 1, 1, 0, 1, MARK_F | CKSUM_F | RSS_F) \
+R(mark_cksum_ptype, 0, 0, 1, 1, 1, 0, MARK_F | CKSUM_F | PTYPE_F) \
+R(mark_cksum_ptype_rss, 0, 0, 1, 1, 1, 1, \
+ MARK_F | CKSUM_F | PTYPE_F | RSS_F) \
+R(ts, 0, 1, 0, 0, 0, 0, TS_F) \
+R(ts_rss, 0, 1, 0, 0, 0, 1, TS_F | RSS_F) \
+R(ts_ptype, 0, 1, 0, 0, 1, 0, TS_F | PTYPE_F) \
+R(ts_ptype_rss, 0, 1, 0, 0, 1, 1, TS_F | PTYPE_F | RSS_F) \
+R(ts_cksum, 0, 1, 0, 1, 0, 0, TS_F | CKSUM_F) \
+R(ts_cksum_rss, 0, 1, 0, 1, 0, 1, TS_F | CKSUM_F | RSS_F) \
+R(ts_cksum_ptype, 0, 1, 0, 1, 1, 0, TS_F | CKSUM_F | PTYPE_F) \
+R(ts_cksum_ptype_rss, 0, 1, 0, 1, 1, 1, \
+ TS_F | CKSUM_F | PTYPE_F | RSS_F) \
+R(ts_mark, 0, 1, 1, 0, 0, 0, TS_F | MARK_F) \
+R(ts_mark_rss, 0, 1, 1, 0, 0, 1, TS_F | MARK_F | RSS_F) \
+R(ts_mark_ptype, 0, 1, 1, 0, 1, 0, TS_F | MARK_F | PTYPE_F) \
+R(ts_mark_ptype_rss, 0, 1, 1, 0, 1, 1, \
+ TS_F | MARK_F | PTYPE_F | RSS_F) \
+R(ts_mark_cksum, 0, 1, 1, 1, 0, 0, TS_F | MARK_F | CKSUM_F) \
+R(ts_mark_cksum_rss, 0, 1, 1, 1, 0, 1, \
+ TS_F | MARK_F | CKSUM_F | RSS_F) \
+R(ts_mark_cksum_ptype, 0, 1, 1, 1, 1, 0, \
+ TS_F | MARK_F | CKSUM_F | PTYPE_F) \
+R(ts_mark_cksum_ptype_rss, 0, 1, 1, 1, 1, 1, \
+ TS_F | MARK_F | CKSUM_F | PTYPE_F | RSS_F) \
+R(vlan, 1, 0, 0, 0, 0, 0, RX_VLAN_F) \
+R(vlan_rss, 1, 0, 0, 0, 0, 1, RX_VLAN_F | RSS_F) \
+R(vlan_ptype, 1, 0, 0, 0, 1, 0, RX_VLAN_F | PTYPE_F) \
+R(vlan_ptype_rss, 1, 0, 0, 0, 1, 1, RX_VLAN_F | PTYPE_F | RSS_F) \
+R(vlan_cksum, 1, 0, 0, 1, 0, 0, RX_VLAN_F | CKSUM_F) \
+R(vlan_cksum_rss, 1, 0, 0, 1, 0, 1, RX_VLAN_F | CKSUM_F | RSS_F) \
+R(vlan_cksum_ptype, 1, 0, 0, 1, 1, 0, \
+ RX_VLAN_F | CKSUM_F | PTYPE_F) \
+R(vlan_cksum_ptype_rss, 1, 0, 0, 1, 1, 1, \
+ RX_VLAN_F | CKSUM_F | PTYPE_F | RSS_F) \
+R(vlan_mark, 1, 0, 1, 0, 0, 0, RX_VLAN_F | MARK_F) \
+R(vlan_mark_rss, 1, 0, 1, 0, 0, 1, RX_VLAN_F | MARK_F | RSS_F) \
+R(vlan_mark_ptype, 1, 0, 1, 0, 1, 0, RX_VLAN_F | MARK_F | PTYPE_F)\
+R(vlan_mark_ptype_rss, 1, 0, 1, 0, 1, 1, \
+ RX_VLAN_F | MARK_F | PTYPE_F | RSS_F) \
+R(vlan_mark_cksum, 1, 0, 1, 1, 0, 0, RX_VLAN_F | MARK_F | CKSUM_F)\
+R(vlan_mark_cksum_rss, 1, 0, 1, 1, 0, 1, \
+ RX_VLAN_F | MARK_F | CKSUM_F | RSS_F) \
+R(vlan_mark_cksum_ptype, 1, 0, 1, 1, 1, 0, \
+ RX_VLAN_F | MARK_F | CKSUM_F | PTYPE_F) \
+R(vlan_mark_cksum_ptype_rss, 1, 0, 1, 1, 1, 1, \
+ RX_VLAN_F | MARK_F | CKSUM_F | PTYPE_F | RSS_F) \
+R(vlan_ts, 1, 1, 0, 0, 0, 0, RX_VLAN_F | TS_F) \
+R(vlan_ts_rss, 1, 1, 0, 0, 0, 1, RX_VLAN_F | TS_F | RSS_F) \
+R(vlan_ts_ptype, 1, 1, 0, 0, 1, 0, RX_VLAN_F | TS_F | PTYPE_F) \
+R(vlan_ts_ptype_rss, 1, 1, 0, 0, 1, 1, \
+ RX_VLAN_F | TS_F | PTYPE_F | RSS_F) \
+R(vlan_ts_cksum, 1, 1, 0, 1, 0, 0, RX_VLAN_F | TS_F | CKSUM_F) \
+R(vlan_ts_cksum_rss, 1, 1, 0, 1, 0, 1, \
+ RX_VLAN_F | TS_F | CKSUM_F | RSS_F) \
+R(vlan_ts_cksum_ptype, 1, 1, 0, 1, 1, 0, \
+ RX_VLAN_F | TS_F | CKSUM_F | PTYPE_F) \
+R(vlan_ts_cksum_ptype_rss, 1, 1, 0, 1, 1, 1, \
+ RX_VLAN_F | TS_F | CKSUM_F | PTYPE_F | RSS_F) \
+R(vlan_ts_mark, 1, 1, 1, 0, 0, 0, RX_VLAN_F | TS_F | MARK_F) \
+R(vlan_ts_mark_rss, 1, 1, 1, 0, 0, 1, \
+ RX_VLAN_F | TS_F | MARK_F | RSS_F) \
+R(vlan_ts_mark_ptype, 1, 1, 1, 0, 1, 0, \
+ RX_VLAN_F | TS_F | MARK_F | PTYPE_F) \
+R(vlan_ts_mark_ptype_rss, 1, 1, 1, 0, 1, 1, \
+ RX_VLAN_F | TS_F | MARK_F | PTYPE_F | RSS_F) \
+R(vlan_ts_mark_cksum, 1, 1, 1, 1, 0, 0, \
+ RX_VLAN_F | TS_F | MARK_F | CKSUM_F) \
+R(vlan_ts_mark_cksum_rss, 1, 1, 1, 1, 0, 1, \
+ RX_VLAN_F | TS_F | MARK_F | CKSUM_F | RSS_F) \
+R(vlan_ts_mark_cksum_ptype, 1, 1, 1, 1, 1, 0, \
+ RX_VLAN_F | TS_F | MARK_F | CKSUM_F | PTYPE_F) \
+R(vlan_ts_mark_cksum_ptype_rss, 1, 1, 1, 1, 1, 1, \
+ RX_VLAN_F | TS_F | MARK_F | CKSUM_F | PTYPE_F | RSS_F)
+
+#define R(name, f5, f4, f3, f2, f1, f0, flags) \
+ uint16_t __rte_noinline __rte_hot cn10k_nix_recv_pkts_##name( \
+ void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t pkts); \
+ \
+ uint16_t __rte_noinline __rte_hot cn10k_nix_recv_pkts_mseg_##name( \
+ void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t pkts); \
+ \
+ uint16_t __rte_noinline __rte_hot cn10k_nix_recv_pkts_vec_##name( \
+ void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t pkts); \
+ \
+ uint16_t __rte_noinline __rte_hot cn10k_nix_recv_pkts_vec_mseg_##name( \
+ void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t pkts);
+
+NIX_RX_FASTPATH_MODES
+#undef R
#endif /* __CN10K_RX_H__ */
git.droids-corp.org / dpdk.git / blobdiff