From: Adrien Mazarguil <adrien.mazarguil@6wind.com>
To: Nelio Laranjeiro <nelio.laranjeiro@6wind.com>
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH] net/mlx5: return RSS hash result in mbuf
Date: Fri, 23 Sep 2016 11:15:56 +0200 [thread overview]
Message-ID: <20160923091556.GS17252@6wind.com> (raw)
In-Reply-To: <42701f77fcdb03c88ea845071c0710797cfaa549.1473840791.git.nelio.laranjeiro@6wind.com>
On Wed, Sep 14, 2016 at 10:16:05AM +0200, Nelio Laranjeiro wrote:
> Signed-off-by: Nelio Laranjeiro <nelio.laranjeiro@6wind.com>
Acked-by: Adrien Mazarguil <adrien.mazarguil@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
>
--
Adrien Mazarguil
6WIND
next prev parent reply other threads:[~2016-09-23 9:16 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
2016-09-23 9:15 ` Adrien Mazarguil [this message]
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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