Re: [PATCH] ovs: clear skb->tstamp in forwarding path
From: Eric Dumazet <hidden>
Date: 2021-08-18 09:35:15
On 8/18/21 4:22 AM, fankaixi.li@bytedance.com wrote:
From: kaixi.fan <redacted> fq qdisc requires tstamp to be cleared in the forwarding path. Now ovs doesn't clear skb->tstamp. We encountered a problem with linux version 5.4.56 and ovs version 2.14.1, and packets failed to dequeue from qdisc when fq qdisc was attached to ovs port.
Fixes: fb420d5d91c1 ("tcp/fq: move back to CLOCK_MONOTONIC")
This is more precise than " version 5.4.56 and ovs version ..."
Thanks.
quoted hunk ↗ jump to hunk
Signed-off-by: kaixi.fan <redacted> Signed-off-by: xiexiaohui <redacted> Reviewed-by: Cong Wang <redacted> --- net/openvswitch/vport.c | 1 + 1 file changed, 1 insertion(+)diff --git a/net/openvswitch/vport.c b/net/openvswitch/vport.c index 88deb5b41429..cf2ce5812489 100644 --- a/net/openvswitch/vport.c +++ b/net/openvswitch/vport.c@@ -507,6 +507,7 @@ void ovs_vport_send(struct vport *vport, struct sk_buff *skb, u8 mac_proto) } skb->dev = vport->dev; + skb->tstamp = 0; vport->ops->send(skb); return;