[ovs-dev] Re： Re: Re: [PATCH v4 0/3] Add support for TSO with DPDK
xnhp0320 at gmail.com
Tue Jun 2 14:37:59 UTC 2020
yes，check dpdk gso lib……
在 2020年3月10日星期二，txfh2007 via dev <ovs-dev at openvswitch.org> 写道：
> Hi Flavio and all:
> Is there a way to support software TSO for DPDK tunnel network ? I
> have tried userspace TSO function, and running on tunnel network, I have
> got the following error:
> "Tunneling packets with HW offload flags is not supported: packet
> So is there a way to work around if we would support both vlan and
> tunnel network on the same compute node ?
> 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/
> > 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
> > gso offloading information, cannot be sent out in later validaton at
> > xmit path, as we did not set correct skb->protocol which is further
> > 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.
> I sent a patch to update the documentation. Please take a look.
> dev mailing list
> dev at openvswitch.org
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