[dpdk-dev] [PATCH v3 18/19] net/hinic: optimize RX performance

[Xiaoyun wang]

This patch optimizes receive packets performance
on arm platform.

Signed-off-by: Xiaoyun wang <cloud.wangxiaoyun at huawei.com>
---
 drivers/net/hinic/hinic_pmd_rx.c |  5 +----
 drivers/net/hinic/hinic_pmd_rx.h | 11 +++++++++++
 2 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/drivers/net/hinic/hinic_pmd_rx.c b/drivers/net/hinic/hinic_pmd_rx.c
index 37b4f5c..b3c2eb4 100644
--- a/drivers/net/hinic/hinic_pmd_rx.c
+++ b/drivers/net/hinic/hinic_pmd_rx.c
@@ -972,13 +972,10 @@ u16 hinic_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, u16 nb_pkts)
 	while (pkts < nb_pkts) {
 		 /* 2. current ci is done */
 		rx_cqe = &rxq->rx_cqe[sw_ci];
-		status = rx_cqe->status;
+		status = __atomic_load_n(&rx_cqe->status, __ATOMIC_ACQUIRE);
 		if (!HINIC_GET_RX_DONE_BE(status))
 			break;
 
-		/* read other cqe member after status */
-		rte_rmb();
-
 		/* convert cqe and get packet length */
 		hinic_rq_cqe_be_to_cpu32(&cqe, (volatile void *)rx_cqe);
 		vlan_len = cqe.vlan_len;
diff --git a/drivers/net/hinic/hinic_pmd_rx.h b/drivers/net/hinic/hinic_pmd_rx.h
index fe2735b..fa27e91 100644
--- a/drivers/net/hinic/hinic_pmd_rx.h
+++ b/drivers/net/hinic/hinic_pmd_rx.h
@@ -28,6 +28,7 @@ struct hinic_rq_ctrl {
 	u32	ctrl_fmt;
 };
 
+#if defined(__X86_64_SSE__)
 struct hinic_rq_cqe {
 	u32 status;
 	u32 vlan_len;
@@ -36,6 +37,16 @@ struct hinic_rq_cqe {
 
 	u32 rsvd[4];
 };
+#elif defined(__ARM64_NEON__)
+struct hinic_rq_cqe {
+	u32 status;
+	u32 vlan_len;
+	u32 offload_type;
+	u32 rss_hash;
+
+	u32 rsvd[4];
+} __rte_cache_aligned;
+#endif
 
 struct hinic_rq_cqe_sect {
 	struct hinic_sge	sge;
-- 
1.8.3.1