From: Thomas Monjalon <thomas.monjalon@6wind.com>
To: Ouyang Changchun <changchun.ouyang@intel.com>
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH] examples/vhost: Support jumbo frame in user space vhost
Date: Mon, 25 Aug 2014 17:12:56 +0200 [thread overview]
Message-ID: <1413803.G9T3vqDWNZ@xps13> (raw)
In-Reply-To: <1408078681-3511-1-git-send-email-changchun.ouyang@intel.com>
> This patch support mergeable RX feature and thus support jumbo frame RX and TX
> in user space vhost(as virtio backend).
>
> On RX, it secures enough room from vring to accommodate one complete scattered
> packet which is received by PMD from physical port, and then copy data from
> mbuf to vring buffer, possibly across a few vring entries and descriptors.
>
> On TX, it gets a jumbo frame, possibly described by a few vring descriptors which
> are chained together with the flags of 'NEXT', and then copy them into one scattered
> packet and TX it to physical port through PMD.
>
> Signed-off-by: Changchun Ouyang <changchun.ouyang@intel.com>
> Acked-by: Huawei Xie <huawei.xie@intel.com>
Applied for version 1.7.1.
Thanks
--
Thomas
next prev parent reply other threads:[~2014-08-25 15:09 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-15 4:58 Ouyang Changchun
2014-08-21 1:24 ` Ouyang, Changchun
2014-08-25 15:12 ` Thomas Monjalon [this message]
2014-09-24 9:10 ` Fu, JingguoX
2014-09-24 9:25 ` Fu, JingguoX
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