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authorJason A. Donenfeld <Jason@zx2c4.com>2020-06-25 01:06:03 +0300
committerDavid S. Miller <davem@davemloft.net>2020-06-26 02:16:21 +0300
commitdf08126e3833e9dca19e2407db5f5860a7c194fb (patch)
treed987249d6889e017d48f9deb44e8cfa01845c35a /drivers/net/wireguard
parentb18e9834f7b248b41e8179a039ec80803bb3d67a (diff)
downloadlinux-df08126e3833e9dca19e2407db5f5860a7c194fb.tar.xz
wireguard: receive: account for napi_gro_receive never returning GRO_DROP
The napi_gro_receive function no longer returns GRO_DROP ever, making handling GRO_DROP dead code. This commit removes that dead code. Further, it's not even clear that device drivers have any business in taking action after passing off received packets; that's arguably out of their hands. Fixes: e7096c131e51 ("net: WireGuard secure network tunnel") Fixes: 6570bc79c0df ("net: core: use listified Rx for GRO_NORMAL in napi_gro_receive()") Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/wireguard')
-rw-r--r--drivers/net/wireguard/receive.c10
1 files changed, 2 insertions, 8 deletions
diff --git a/drivers/net/wireguard/receive.c b/drivers/net/wireguard/receive.c
index 91438144e4f7..9b2ab6fc91cd 100644
--- a/drivers/net/wireguard/receive.c
+++ b/drivers/net/wireguard/receive.c
@@ -414,14 +414,8 @@ static void wg_packet_consume_data_done(struct wg_peer *peer,
if (unlikely(routed_peer != peer))
goto dishonest_packet_peer;
- if (unlikely(napi_gro_receive(&peer->napi, skb) == GRO_DROP)) {
- ++dev->stats.rx_dropped;
- net_dbg_ratelimited("%s: Failed to give packet to userspace from peer %llu (%pISpfsc)\n",
- dev->name, peer->internal_id,
- &peer->endpoint.addr);
- } else {
- update_rx_stats(peer, message_data_len(len_before_trim));
- }
+ napi_gro_receive(&peer->napi, skb);
+ update_rx_stats(peer, message_data_len(len_before_trim));
return;
dishonest_packet_peer: