Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit ff06342c authored May 22, 2018 by Willem de Bruijn Committed by David S. Miller May 23, 2018

udp: exclude gso from xfrm paths



UDP GSO delays final datagram construction to the GSO layer. This
conflicts with protocol transformations.

Fixes: bec1f6f6 ("udp: generate gso with UDP_SEGMENT")
CC: Michal Kubecek <mkubecek@suse.cz>
Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent e89e59c0

net/ipv4/udp.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -788,7 +788,8 @@ static int udp_send_skb(struct sk_buff skb, struct flowi4 fl4,
		return -EINVAL;
		if (sk->sk_no_check_tx)
		return -EINVAL;
		if (skb->ip_summed != CHECKSUM_PARTIAL \|\| is_udplite)
		if (skb->ip_summed != CHECKSUM_PARTIAL \|\| is_udplite \|\|
		dst_xfrm(skb_dst(skb)))
		return -EIO;

		skb_shinfo(skb)->gso_size = cork->gso_size;

net/ipv6/udp.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -1053,7 +1053,8 @@ static int udp_v6_send_skb(struct sk_buff skb, struct flowi6 fl6,
		return -EINVAL;
		if (udp_sk(sk)->no_check6_tx)
		return -EINVAL;
		if (skb->ip_summed != CHECKSUM_PARTIAL \|\| is_udplite)
		if (skb->ip_summed != CHECKSUM_PARTIAL \|\| is_udplite \|\|
		dst_xfrm(skb_dst(skb)))
		return -EIO;

		skb_shinfo(skb)->gso_size = cork->gso_size;