From: Matan Azrad <matan@mellanox.com>
To: Slava Ovsiienko <viacheslavo@mellanox.com>,
"dev@dpdk.org" <dev@dpdk.org>
Cc: Raslan Darawsheh <rasland@mellanox.com>,
Thomas Monjalon <thomas@monjalon.net>,
"ferruh.yigit@intel.com" <ferruh.yigit@intel.com>
Subject: Re: [dpdk-dev] [PATCH] net/mlx5: fix inline packet size for ConnectX-4LX
Date: Fri, 21 Feb 2020 07:37:31 +0000 [thread overview]
Message-ID: <AM0PR0502MB401925B79F43616BE651DEE6D2120@AM0PR0502MB4019.eurprd05.prod.outlook.com> (raw)
In-Reply-To: <1582233513-3372-1-git-send-email-viacheslavo@mellanox.com>
From: Viacheslav Ovsiienko
> This patch does extra inline packet size check to tune the ConnectX-4LX
> performance in the legacy Multi-Packet Write mode.
>
> Signed-off-by: Viacheslav Ovsiienko <viacheslavo@mellanox.com>
Slava, Don't you think we want it for stable releases?
Besides it:
Acked-by: Matan Azrad <matan@mellanox.com>
> drivers/net/mlx5/mlx5_rxtx.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/net/mlx5/mlx5_rxtx.c b/drivers/net/mlx5/mlx5_rxtx.c
> index b55db4f..0df811b 100644
> --- a/drivers/net/mlx5/mlx5_rxtx.c
> +++ b/drivers/net/mlx5/mlx5_rxtx.c
> @@ -4281,6 +4281,8 @@ enum mlx5_txcmp_code {
> loc->mbuf->ol_flags & PKT_TX_DYNF_NOINLINE)
> goto pointer_empw;
> if (MLX5_TXOFF_CONFIG(MPW)) {
> + if (dlen > txq->inlen_send)
> + goto pointer_empw;
> tlen = dlen;
> if (part == room) {
> /* Open new inline MPW session. */
> --
> 1.8.3.1
next prev parent reply other threads:[~2020-02-21 7:37 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-20 21:18 Viacheslav Ovsiienko
2020-02-21 7:37 ` Matan Azrad [this message]
2020-02-21 7:39 ` Slava Ovsiienko
2020-02-21 9:44 ` Ferruh Yigit
2020-02-21 9:51 ` Slava Ovsiienko
2020-02-21 10:07 ` Ferruh Yigit
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