* Defining it from backwards to denote its been
* not used as offload flags to pick function
*/
-#define NIX_RX_MULTI_SEG_F BIT(15)
+#define NIX_RX_VWQE_F BIT(13)
+#define NIX_RX_MULTI_SEG_F BIT(14)
+#define CPT_RX_WQE_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;
static __rte_always_inline void
nix_cqe_xtract_mseg(const union nix_rx_parse_u *rx, struct rte_mbuf *mbuf,
- uint64_t rearm)
+ uint64_t rearm, const uint16_t flags)
{
const rte_iova_t *iova_list;
struct rte_mbuf *head;
return;
}
- mbuf->pkt_len = rx->pkt_lenm1 + 1;
- mbuf->data_len = sg & 0xFFFF;
+ 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;
*(uint64_t *)(&mbuf->rearm_data) = val;
if (flag & NIX_RX_MULTI_SEG_F)
- nix_cqe_xtract_mseg(rx, mbuf, val);
+ nix_cqe_xtract_mseg(rx, mbuf, val, flag);
else
mbuf->next = NULL;
}
flags);
cnxk_nix_mbuf_to_tstamp(mbuf, rxq->tstamp,
(flags & NIX_RX_OFFLOAD_TSTAMP_F),
- (uint64_t *)((uint8_t *)mbuf + data_off)
- );
+ (flags & NIX_RX_MULTI_SEG_F),
+ (uint64_t *)((uint8_t *)mbuf
+ + data_off));
rx_pkts[packets++] = mbuf;
roc_prefetch_store_keep(mbuf);
head++;
}
static __rte_always_inline uint16_t
-cn10k_nix_recv_pkts_vector(void *rx_queue, struct rte_mbuf **rx_pkts,
- uint16_t pkts, const uint16_t flags)
+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 = rx_queue;
- uint16_t packets = 0;
+ 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;
- const uint64_t mbuf_initializer = rxq->mbuf_initializer;
- const uint64x2_t data_off = vdupq_n_u64(rxq->data_off);
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;
- const uint16_t *lookup_mem = rxq->lookup_mem;
- const uint32_t qmask = rxq->qmask;
- const uint64_t wdata = rxq->wdata;
- const uintptr_t desc = rxq->desc;
uint8x16_t f0, f1, f2, f3;
- uint32_t head = rxq->head;
+ uint16_t packets = 0;
uint16_t pkts_left;
-
- 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);
+ 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) {
- /* 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;
- }
+ 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;
+ }
- const uintptr_t cq0 = desc + CQE_SZ(head);
+ cq0 = desc + CQE_SZ(head);
+ } else {
+ cq0 = (uintptr_t)&mbufs[packets];
+ }
/* Prefetch N desc ahead */
- rte_prefetch_non_temporal((void *)(cq0 + CQE_SZ(8)));
- rte_prefetch_non_temporal((void *)(cq0 + CQE_SZ(9)));
- rte_prefetch_non_temporal((void *)(cq0 + CQE_SZ(10)));
- rte_prefetch_non_temporal((void *)(cq0 + CQE_SZ(11)));
+ 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((uint64_t *)(cq0 + CQE_SZ(0) + 64));
- cq1_w8 = vld1q_u64((uint64_t *)(cq0 + CQE_SZ(1) + 64));
- cq2_w8 = vld1q_u64((uint64_t *)(cq0 + CQE_SZ(2) + 64));
- cq3_w8 = vld1q_u64((uint64_t *)(cq0 + CQE_SZ(3) + 64));
-
- /* 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);
+ 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);
f3 = vqtbl1q_u8(cq3_w8, shuf_msk);
/* Load CQE word0 and word 1 */
- uint64_t cq0_w0 = ((uint64_t *)(cq0 + CQE_SZ(0)))[0];
- uint64_t cq0_w1 = ((uint64_t *)(cq0 + CQE_SZ(0)))[1];
- uint64_t cq1_w0 = ((uint64_t *)(cq0 + CQE_SZ(1)))[0];
- uint64_t cq1_w1 = ((uint64_t *)(cq0 + CQE_SZ(1)))[1];
- uint64_t cq2_w0 = ((uint64_t *)(cq0 + CQE_SZ(2)))[0];
- uint64_t cq2_w1 = ((uint64_t *)(cq0 + CQE_SZ(2)))[1];
- uint64_t cq3_w0 = ((uint64_t *)(cq0 + CQE_SZ(3)))[0];
- uint64_t cq3_w1 = ((uint64_t *)(cq0 + CQE_SZ(3)))[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 */
if (flags & NIX_RX_OFFLOAD_MARK_UPDATE_F) {
ol_flags0 = nix_update_match_id(
- *(uint16_t *)(cq0 + CQE_SZ(0) + 38), ol_flags0,
- mbuf0);
+ *(uint16_t *)CQE_PTR_OFF(cq0, 0, 38, flags),
+ ol_flags0, mbuf0);
ol_flags1 = nix_update_match_id(
- *(uint16_t *)(cq0 + CQE_SZ(1) + 38), ol_flags1,
- mbuf1);
+ *(uint16_t *)CQE_PTR_OFF(cq0, 1, 38, flags),
+ ol_flags1, mbuf1);
ol_flags2 = nix_update_match_id(
- *(uint16_t *)(cq0 + CQE_SZ(2) + 38), ol_flags2,
- mbuf2);
+ *(uint16_t *)CQE_PTR_OFF(cq0, 2, 38, flags),
+ ol_flags2, mbuf2);
ol_flags3 = nix_update_match_id(
- *(uint16_t *)(cq0 + CQE_SZ(3) + 38), ol_flags3,
- mbuf3);
+ *(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 = PKT_RX_IEEE1588_PTP |
+ PKT_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 */
vst1q_u64((uint64_t *)mbuf3->rearm_data, rearm3);
/* Store the mbufs to rx_pkts */
- vst1q_u64((uint64_t *)&rx_pkts[packets], mbuf01);
- vst1q_u64((uint64_t *)&rx_pkts[packets + 2], mbuf23);
+ 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 *)
- (cq0 + CQE_SZ(0) + 8), mbuf0,
- mbuf_initializer);
+ (CQE_PTR_OFF(cq0, 0, 8, flags)),
+ mbuf0, mbuf_initializer, flags);
nix_cqe_xtract_mseg((union nix_rx_parse_u *)
- (cq0 + CQE_SZ(1) + 8), mbuf1,
- mbuf_initializer);
+ (CQE_PTR_OFF(cq0, 1, 8, flags)),
+ mbuf1, mbuf_initializer, flags);
nix_cqe_xtract_mseg((union nix_rx_parse_u *)
- (cq0 + CQE_SZ(2) + 8), mbuf2,
- mbuf_initializer);
+ (CQE_PTR_OFF(cq0, 2, 8, flags)),
+ mbuf2, mbuf_initializer, flags);
nix_cqe_xtract_mseg((union nix_rx_parse_u *)
- (cq0 + CQE_SZ(3) + 8), mbuf3,
- mbuf_initializer);
+ (CQE_PTR_OFF(cq0, 3, 8, flags)),
+ mbuf3, mbuf_initializer, flags);
} else {
/* Update that no more segments */
mbuf0->next = NULL;
__mempool_check_cookies(mbuf2->pool, (void **)&mbuf2, 1, 1);
__mempool_check_cookies(mbuf3->pool, (void **)&mbuf3, 1, 1);
- /* Advance head pointer and packets */
- head += NIX_DESCS_PER_LOOP;
- head &= qmask;
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;
plt_write64((rxq->wdata | packets), rxq->cq_door);
if (unlikely(pkts_left))
- packets += cn10k_nix_recv_pkts(rx_queue, &rx_pkts[packets],
- pkts_left, flags);
+ packets += cn10k_nix_recv_pkts(args, &mbufs[packets], pkts_left,
+ flags);
return packets;
}
static inline uint16_t
cn10k_nix_recv_pkts_vector(void *rx_queue, struct rte_mbuf **rx_pkts,
- uint16_t pkts, const uint16_t flags)
+ 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;
}
git.droids-corp.org / dpdk.git / blobdiff