static __rte_always_inline uint16_t
otx2_ssogws_dual_get_work(struct otx2_ssogws_state *ws,
struct otx2_ssogws_state *ws_pair,
- struct rte_event *ev)
+ struct rte_event *ev, const uint32_t flags,
+ const void * const lookup_mem,
+ struct otx2_timesync_info * const tstamp)
{
const uint64_t set_gw = BIT_ULL(16) | 1;
union otx2_sso_event event;
+ uint64_t tstamp_ptr;
uint64_t get_work1;
+ uint64_t mbuf;
+ if (flags & NIX_RX_OFFLOAD_PTYPE_F)
+ rte_prefetch_non_temporal(lookup_mem);
#ifdef RTE_ARCH_ARM64
asm volatile(
" ldr %[tag], [%[tag_loc]] \n"
" tbnz %[tag], 63, rty%= \n"
"done%=: str %[gw], [%[pong]] \n"
" dmb ld \n"
- " prfm pldl1keep, [%[wqp]] \n"
+ " prfm pldl1keep, [%[wqp], #8]\n"
+ " sub %[mbuf], %[wqp], #0x80 \n"
+ " prfm pldl1keep, [%[mbuf]] \n"
: [tag] "=&r" (event.get_work0),
- [wqp] "=&r" (get_work1)
+ [wqp] "=&r" (get_work1),
+ [mbuf] "=&r" (mbuf)
: [tag_loc] "r" (ws->tag_op),
[wqp_loc] "r" (ws->wqp_op),
[gw] "r" (set_gw),
otx2_write64(set_gw, ws_pair->getwrk_op);
rte_prefetch0((const void *)get_work1);
+ mbuf = (uint64_t)((char *)get_work1 - sizeof(struct rte_mbuf));
+ rte_prefetch0((const void *)mbuf);
#endif
event.get_work0 = (event.get_work0 & (0x3ull << 32)) << 6 |
(event.get_work0 & (0x3FFull << 36)) << 4 |
ws->cur_tt = event.sched_type;
ws->cur_grp = event.queue_id;
+ if (event.sched_type != SSO_TT_EMPTY &&
+ event.event_type == RTE_EVENT_TYPE_ETHDEV) {
+ otx2_wqe_to_mbuf(get_work1, mbuf, event.sub_event_type,
+ (uint32_t) event.get_work0, flags, lookup_mem);
+ /* Extracting tstamp, if PTP enabled. CGX will prepend the
+ * timestamp at starting of packet data and it can be derieved
+ * from WQE 9 dword which corresponds to SG iova.
+ * rte_pktmbuf_mtod_offset can be used for this purpose but it
+ * brings down the performance as it reads mbuf->buf_addr which
+ * is not part of cache in general fast path.
+ */
+ tstamp_ptr = *(uint64_t *)(((struct nix_wqe_hdr_s *)get_work1)
+ + OTX2_SSO_WQE_SG_PTR);
+ otx2_nix_mbuf_to_tstamp((struct rte_mbuf *)mbuf, tstamp, flags,
+ (uint64_t *)tstamp_ptr);
+ get_work1 = mbuf;
+ }
+
ev->event = event.get_work0;
ev->u64 = get_work1;