When offloaded program returns XDP_TX, we need to inject the packet in
Rx path of tun. This patch injects such packets in Rx path using
tun_xdp_one.
Signed-off-by: Prashant Bhole <prashantbhole.linux@gmail.com>
---
drivers/net/tun.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 8d6cdd3e5139..084ca95358fe 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -2249,7 +2249,13 @@ static u32 tun_do_xdp_offload(struct tun_struct *tun, struct tun_file *tfile,
case XDP_PASS:
break;
case XDP_TX:
- /* fall through */
+ tpage.page = NULL;
+ tpage.count = 0;
+ tun_xdp_one(tun, tfile, &xdp, &flush, &tpage, false);
+ tun_put_page(&tpage);
+ if (flush)
+ xdp_do_flush_map();
+ break;
case XDP_REDIRECT:
/* fall through */
default:
--
2.20.1