From: Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>
Date: Tue, 17 Jul 2018 14:33:45 +0000 (+0530)
Subject: event/octeontx: prefetch mbuf instead of wqe
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=ab0e481b4c3c14de8c3117d73a7e5bba95b8b76b;p=dpdk.git

event/octeontx: prefetch mbuf instead of wqe

Prefetch mbuf pointer instead of wqe when SSO receives pkt from PKI.

Signed-off-by: Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>
Acked-by: Santosh Shukla <santosh.shukla@caviumnetworks.com>
---

diff --git a/drivers/event/octeontx/ssovf_worker.h b/drivers/event/octeontx/ssovf_worker.h
index d55018a9ca..7c7306b514 100644
--- a/drivers/event/octeontx/ssovf_worker.h
+++ b/drivers/event/octeontx/ssovf_worker.h
@@ -28,11 +28,11 @@ ssovf_octeontx_wqe_to_pkt(uint64_t work, uint16_t port_info)
 {
 	struct rte_mbuf *mbuf;
 	octtx_wqe_t *wqe = (octtx_wqe_t *)(uintptr_t)work;
-	rte_prefetch_non_temporal(wqe);
 
 	/* Get mbuf from wqe */
 	mbuf = (struct rte_mbuf *)((uintptr_t)wqe -
 			OCTTX_PACKET_WQE_SKIP);
+	rte_prefetch_non_temporal(mbuf);
 	mbuf->packet_type =
 		ptype_table[wqe->s.w2.lcty][wqe->s.w2.lety][wqe->s.w2.lfty];
 	mbuf->data_off = RTE_PTR_DIFF(wqe->s.w3.addr, mbuf->buf_addr);