From: Yuanhan Liu <yuanhan.liu@linux.intel.com>
To: Rich Lane <rich.lane@bigswitch.com>
Cc: dev@dpdk.org, Huawei Xie <huawei.xie@intel.com>,
Stephen Hemminger <stephen@networkplumber.org>
Subject: Re: [dpdk-dev] [PATCH v2] virtio: use zeroed memory for simple TX header
Date: Tue, 5 Apr 2016 12:25:13 +0800 [thread overview]
Message-ID: <20160405042513.GM3080@yliu-dev.sh.intel.com> (raw)
In-Reply-To: <1459822261-95284-1-git-send-email-rlane@bigswitch.com>
On Mon, Apr 04, 2016 at 07:11:01PM -0700, Rich Lane wrote:
> For simple TX the virtio-net header must be zeroed, but it was using memory
> that had been initialized with indirect descriptor tables. This resulted in
> "unsupported gso type" errors from librte_vhost.
>
> We can use the same memory for every descriptor to save cachelines in the
> vswitch.
>
> Fixes: 6dc5de3a (virtio: use indirect ring elements)
> Signed-off-by: Rich Lane <rlane@bigswitch.com>
Acked-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>
Thanks.
--yliu
next prev parent reply other threads:[~2016-04-05 4:23 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-05 2:11 Rich Lane
2016-04-05 3:20 ` Tan, Jianfeng
2016-04-05 4:26 ` Yuanhan Liu
2016-04-05 5:34 ` Tan, Jianfeng
2016-04-05 4:25 ` Yuanhan Liu [this message]
2016-04-06 10:28 ` Thomas Monjalon
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