| Message ID | 20180912031709.14112-8-jasowang@redhat.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | vhost_net TX batching | expand |
diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 14fe94098180..3ae539374f6b 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -1660,7 +1660,6 @@ static int tun_xdp_act(struct tun_struct *tun, struct bpf_prog *xdp_prog, switch (act) { case XDP_REDIRECT: err = xdp_do_redirect(tun->dev, xdp, xdp_prog); - xdp_do_flush_map(); if (err) return err; break; @@ -1749,6 +1748,8 @@ static struct sk_buff *tun_build_skb(struct tun_struct *tun, err = tun_xdp_act(tun, xdp_prog, &xdp, act); if (err < 0) goto err_xdp; + if (err == XDP_REDIRECT) + xdp_do_flush_map(); if (err != XDP_PASS) goto out;
This will allow adding batch flushing on top. Signed-off-by: Jason Wang <jasowang@redhat.com> --- drivers/net/tun.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)