lkml.org 
[lkml]   [2018]   [Sep]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH net-next V2 07/11] tuntap: move XDP flushing out of tun_do_xdp()
Date
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(-)

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;

--
2.17.1
\
 
 \ /
  Last update: 2018-09-12 05:19    [W:0.070 / U:29.196 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site