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From: Nelio Laranjeiro <nelio.laranjeiro@6wind.com>
To: dev@dpdk.org
Cc: Adrien Mazarguil <adrien.mazarguil@6wind.com>
Subject: [dpdk-dev] [PATCH] net/mlx5: return RSS hash result in mbuf
Date: Wed, 14 Sep 2016 10:16:05 +0200	[thread overview]
Message-ID: <42701f77fcdb03c88ea845071c0710797cfaa549.1473840791.git.nelio.laranjeiro@6wind.com> (raw)
In-Reply-To: <cover.1473840791.git.nelio.laranjeiro@6wind.com>
In-Reply-To: <cover.1473840791.git.nelio.laranjeiro@6wind.com>

Signed-off-by: Nelio Laranjeiro <nelio.laranjeiro@6wind.com>
---
 drivers/net/mlx5/mlx5_rxq.c  | 1 +
 drivers/net/mlx5/mlx5_rxtx.c | 6 +++++-
 drivers/net/mlx5/mlx5_rxtx.h | 2 ++
 3 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/net/mlx5/mlx5_rxq.c b/drivers/net/mlx5/mlx5_rxq.c
index f6f4315..65c264b 100644
--- a/drivers/net/mlx5/mlx5_rxq.c
+++ b/drivers/net/mlx5/mlx5_rxq.c
@@ -926,6 +926,7 @@ rxq_ctrl_setup(struct rte_eth_dev *dev, struct rxq_ctrl *rxq_ctrl,
 		.rxq = {
 			.elts_n = log2above(desc),
 			.mp = mp,
+			.rss_hash = !!(priv->rxqs_n > 1),
 		},
 	};
 	struct ibv_exp_wq_attr mod;
diff --git a/drivers/net/mlx5/mlx5_rxtx.c b/drivers/net/mlx5/mlx5_rxtx.c
index b91b644..17ae5e4 100644
--- a/drivers/net/mlx5/mlx5_rxtx.c
+++ b/drivers/net/mlx5/mlx5_rxtx.c
@@ -1338,12 +1338,16 @@ mlx5_rx_burst(void *dpdk_rxq, struct rte_mbuf **pkts, uint16_t pkts_n)
 			/* Update packet information. */
 			pkt->packet_type = 0;
 			pkt->ol_flags = 0;
+			if (rxq->rss_hash) {
+				pkt->hash.rss = ntohl(cqe->rx_hash_res);
+				pkt->ol_flags = PKT_RX_RSS_HASH;
+			}
 			if (rxq->csum | rxq->csum_l2tun | rxq->vlan_strip |
 			    rxq->crc_present) {
 				if (rxq->csum) {
 					pkt->packet_type =
 						rxq_cq_to_pkt_type(cqe);
-					pkt->ol_flags =
+					pkt->ol_flags |=
 						rxq_cq_to_ol_flags(rxq, cqe);
 				}
 				if (cqe->l4_hdr_type_etc &
diff --git a/drivers/net/mlx5/mlx5_rxtx.h b/drivers/net/mlx5/mlx5_rxtx.h
index 9828aef..e813f38 100644
--- a/drivers/net/mlx5/mlx5_rxtx.h
+++ b/drivers/net/mlx5/mlx5_rxtx.h
@@ -113,6 +113,8 @@ struct rxq {
 	unsigned int cqe_n:4; /* Log 2 of CQ elements. */
 	unsigned int elts_n:4; /* Log 2 of Mbufs. */
 	unsigned int port_id:8;
+	unsigned int rss_hash:1; /* RSS hash result is enabled. */
+	unsigned int :9; /* Remaining bits. */
 	volatile uint32_t *rq_db;
 	volatile uint32_t *cq_db;
 	uint16_t rq_ci;
-- 
2.1.4

  reply	other threads:[~2016-09-14  8:16 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-14  8:16 Nelio Laranjeiro
2016-09-14  8:16 ` Nelio Laranjeiro [this message]
2016-09-23  9:15   ` Adrien Mazarguil
2016-09-27 14:11   ` Bruce Richardson
2016-09-27 14:29     ` Nélio Laranjeiro
2016-09-27 14:53 ` [dpdk-dev] [PATCH v2] " Nelio Laranjeiro
2016-09-27 17:03   ` Ferruh Yigit
2016-09-28  7:01     ` Nélio Laranjeiro
2016-09-28  7:02 ` [dpdk-dev] [PATCH v3] " Nelio Laranjeiro
2016-09-28  8:59   ` Adrien Mazarguil
2016-09-28 12:11 ` [dpdk-dev] [PATCH v4] " Nelio Laranjeiro
2016-10-12 15:12   ` Bruce Richardson

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