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authorPaolo Abeni <pabeni@redhat.com>2018-11-07 12:38:30 +0100
committerDavid S. Miller <davem@davemloft.net>2018-11-08 01:23:04 +0100
commitbcd1665e3569b0a6f569514f023a41fc7df0b4a3 (patch)
tree4e28d9a2711bdfa1069efdfb49350ede0e1d97f7 /net/ipv6/udp.c
parentudp: implement GRO for plain UDP sockets. (diff)
downloadlinux-bcd1665e3569b0a6f569514f023a41fc7df0b4a3.tar.xz
linux-bcd1665e3569b0a6f569514f023a41fc7df0b4a3.zip
udp: add support for UDP_GRO cmsg
When UDP GRO is enabled, the UDP_GRO cmsg will carry the ingress datagram size. User-space can use such info to compute the original packets layout. Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/udp.c')
-rw-r--r--net/ipv6/udp.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index bdf7e071a63b..4c79dc5329bc 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -417,6 +417,9 @@ try_again:
*addr_len = sizeof(*sin6);
}
+ if (udp_sk(sk)->gro_enabled)
+ udp_cmsg_recv(msg, sk, skb);
+
if (np->rxopt.all)
ip6_datagram_recv_common_ctl(sk, msg, skb);