Commit 1a097910 authored by Jason Wang's avatar Jason Wang Committed by David S. Miller
Browse files

tuntap: move XDP flushing out of tun_do_xdp() 



This will allow adding batch flushing on top.

Signed-off-by: default avatarJason Wang <jasowang@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 8ae1aff0

drivers/net/tun.c

+2 −1
Original line number Diff line number Diff line
@@ -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;