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authorJason A. Donenfeld <Jason@zx2c4.com>2020-01-02 17:47:51 +0100
committerDavid S. Miller <davem@davemloft.net>2020-01-05 14:08:32 -0800
commit736775d06bac60d7a353e405398b48b2bd8b1e54 (patch)
tree59fc41ca864ea8f31820673fb0bf238070df1aff /drivers/net/wireguard
parent04d2ea92a18417619182cbb79063f154892b0150 (diff)
wireguard: socket: mark skbs as not on list when receiving via gro
Certain drivers will pass gro skbs to udp, at which point the udp driver simply iterates through them and passes them off to encap_rcv, which is where we pick up. At the moment, we're not attempting to coalesce these into bundles, but we also don't want to wind up having cascaded lists of skbs treated separately. The right behavior here, then, is to just mark each incoming one as not on a list. This can be seen in practice, for example, with Qualcomm's rmnet_perf driver. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Tested-by: Yaroslav Furman <yaro330@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/wireguard')
-rw-r--r--drivers/net/wireguard/socket.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/wireguard/socket.c b/drivers/net/wireguard/socket.c
index c46256d0d81c..262f3b5c819d 100644
--- a/drivers/net/wireguard/socket.c
+++ b/drivers/net/wireguard/socket.c
@@ -333,6 +333,7 @@ static int wg_receive(struct sock *sk, struct sk_buff *skb)
wg = sk->sk_user_data;
if (unlikely(!wg))
goto err;
+ skb_mark_not_on_list(skb);
wg_packet_receive(wg, skb);
return 0;