From: David Miller <davem@davemloft.net>
To: jasowang@redhat.com
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
mst@redhat.com, vyasevic@redhat.com
Subject: Re: [PATCH net] macvtap: unbreak receiving of gro skb with frag list
Date: Fri, 23 Oct 2015 02:35:24 -0700 (PDT) [thread overview]
Message-ID: <20151023.023524.817747898949803431.davem@davemloft.net> (raw)
In-Reply-To: <1445576225-27710-1-git-send-email-jasowang@redhat.com>
From: Jason Wang <jasowang@redhat.com>
Date: Fri, 23 Oct 2015 00:57:05 -0400
> We don't have fraglist support in TAP_FEATURES. This will lead
> software segmentation of gro skb with frag list. Fixes by having
> frag list support in TAP_FEATURES.
>
> With this patch single session of netperf receiving were restored from
> about 5Gb/s to about 12Gb/s on mlx4.
>
> Fixes a567dd6252 ("macvtap: simplify usage of tap_features")
> Cc: Vlad Yasevich <vyasevic@redhat.com>
> Cc: Michael S. Tsirkin <mst@redhat.com>
> Signed-off-by: Jason Wang <jasowang@redhat.com>
Applied and queued up for -stable, thanks Jason.
next prev parent reply other threads:[~2015-10-23 9:18 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-23 4:57 [PATCH net] macvtap: unbreak receiving of gro skb with frag list Jason Wang
2015-10-23 9:35 ` David Miller [this message]
2015-10-23 13:37 ` Michael S. Tsirkin
2015-10-26 3:15 ` Jason Wang
2015-10-26 6:09 ` Michael S. Tsirkin
2015-10-26 6:53 ` Jason Wang
2015-10-26 8:30 ` Michael S. Tsirkin
2015-10-27 2:58 ` Jason Wang
2015-10-27 9:05 ` Michael S. Tsirkin
2015-10-28 2:51 ` Jason Wang
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