> -----Original Message----- > From: Stephen Hemminger [mailto:[email protected]] > Sent: Monday, September 23, 2019 11:22 PM > To: Liu, Yong <[email protected]> > Cc: [email protected]; Bie, Tiwei <[email protected]>; Wang, > Zhihong <[email protected]>; [email protected]; [email protected] > Subject: Re: [PATCH] net/virtio: fix mbuf data and pkt length mismatch > > On Mon, 23 Sep 2019 22:05:11 +0800 > Marvin Liu <[email protected]> wrote: > > > If reserve virtio header room by function rte_pktmbuf_prepend, both > > segment data length and packet length of mbuf will be increased. > > Data length will be equal to descriptor length, while packet length > > should be decreased as virtio-net header won't be taken into packet. > > Thus will cause mismatch in mbuf structure. Fix this issue by access > > mbuf data directly and increase descriptor length if it is needed. > > > > Fixes: 58169a9c8153 ("net/virtio: support Tx checksum offload") > > Fixes: 892dc798fa9c ("net/virtio: implement Tx path for packed queues") > > Fixes: 4905ed3a523f ("net/virtio: optimize Tx enqueue for packed ring") > > Fixes: e5f456a98d3c ("net/virtio: support in-order Rx and Tx") > > Cc: [email protected] > > > > Reported-by: Stephen Hemminger <[email protected]> > > Signed-off-by: Marvin Liu <[email protected]> > > Looks good, for current code. > Won't apply cleanly to 18.11. Could you send a version for that as well?
Thanks for reviewing, version for 18.11 has sent to stable mailing list. Regards, Marvin
