From: Ferruh Yigit <ferruh.yigit@intel.com>
To: Charles Myers <Charles.Myers@spirent.com>, dev@dpdk.org
Cc: Adrien Mazarguil <adrien.mazarguil@6wind.com>
Subject: Re: [dpdk-dev] [PATCH] net/mlx4: fix rx not working after mbuf alloc failure
Date: Fri, 14 Apr 2017 10:58:02 +0100 [thread overview]
Message-ID: <d260c0c4-020e-c991-dc14-920a388207e4@intel.com> (raw)
In-Reply-To: <1492121724-105935-1-git-send-email-Charles.Myers@spirent.com>
On 4/13/2017 11:15 PM, Charles Myers wrote:
> From: Charles <Charles.Myers@spirent.com>
>
> Fixes issue where mlx4 driver stops receiving packets when mbuf
> allocation fails in mlx4_rx_burst().
>
> This issue appears to be caused because the code doesn't recycle the
> existing mbuf to the sges array when mbuf allocation fails as is done
> in the code right above it which handles (wc.status != IBV_WC_SUCCESS).
>
> Copying the code from the above case fixes the issue.
>
> Fixes: acac55f16412 ("mlx4: use MOFED 3.0 fast verbs interface for Rx
> operations")
Cc: stable@dpdk.org
>
> Signed-off-by: Charles Myers <Charles.Myers@spirent.com>
Acked-by: Adrien Mazarguil <adrien.mazarguil@6wind.com>
Applied to dpdk-next-net/master, thanks.
prev parent reply other threads:[~2017-04-14 9:58 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1492069426-123358-1-git-send-email-Charles.Myers@spirent.com>
2017-04-13 7:52 ` Myers, Charles
2017-04-13 12:05 ` Adrien Mazarguil
2017-04-13 12:22 ` Ferruh Yigit
2017-04-13 12:28 ` Adrien Mazarguil
2017-04-13 22:15 ` Charles Myers
2017-04-14 9:58 ` Ferruh Yigit [this message]
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