[ovs-dev] 答复: 答复: [PATCH v4 0/3] Add support for TSO with DPDK

William Tu u9012063 at gmail.com
Mon Mar 2 19:08:41 UTC 2020


On Fri, Feb 28, 2020 at 9:56 AM Flavio Leitner <fbl at sysclose.org> wrote:
>
>
> Hi Yi Yang,
>
> This is the bug fix required to make veth TSO work in OvS:
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9d2f67e43b73e8af7438be219b66a5de0cfa8bd9
>
> commit 9d2f67e43b73e8af7438be219b66a5de0cfa8bd9
> Author: Jianfeng Tan <jianfeng.tan at linux.alibaba.com>
> Date:   Sat Sep 29 15:41:27 2018 +0000
>
>     net/packet: fix packet drop as of virtio gso
>
>     When we use raw socket as the vhost backend, a packet from virito with
>     gso offloading information, cannot be sent out in later validaton at
>     xmit path, as we did not set correct skb->protocol which is further used
>     for looking up the gso function.
>
>     To fix this, we set this field according to virito hdr information.
>
>     Fixes: e858fae2b0b8f4 ("virtio_net: use common code for virtio_net_hdr and skb GSO conversion")
>     Signed-off-by: Jianfeng Tan <jianfeng.tan at linux.alibaba.com>
>     Signed-off-by: David S. Miller <davem at davemloft.net>
>
>
> So, the minimum kernel version is 4.19.
>
Thanks,
I sent a patch to update the documentation. Please take a look.
William


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