After we linearize page, we should xmit this page instead of the page of first buffer which may lead unexpected result. With this patch, we can see correct packet during XDP_TX.
Cc: John Fastabend <[email protected]> Signed-off-by: Jason Wang <[email protected]> --- drivers/net/virtio_net.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 1067253..fe4562d 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -572,7 +572,7 @@ static struct sk_buff *receive_mergeable(struct net_device *dev, if (unlikely(hdr->hdr.gso_type || hdr->hdr.flags)) goto err_xdp; - act = do_xdp_prog(vi, rq, xdp_prog, page, offset, len); + act = do_xdp_prog(vi, rq, xdp_prog, xdp_page, offset, len); switch (act) { case XDP_PASS: if (unlikely(xdp_page != page)) -- 2.7.4 _______________________________________________ Virtualization mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/virtualization
