Commit 1796a81d authored by Andreas Schultz's avatar Andreas Schultz Committed by David S. Miller
Browse files

gtp: let userspace handle packets for invalid tunnels 



enable userspace to send error replies for invalid tunnels

Acked-by: default avatarHarald Welte <laforge@netfilter.org>
Signed-off-by: default avatarAndreas Schultz <aschultz@tpip.net>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 10931923

drivers/net/gtp.c

+4 −4
Original line number Diff line number Diff line
@@ -198,12 +198,12 @@ static int gtp0_udp_encap_recv(struct gtp_dev *gtp, struct sk_buff *skb, 
	pctx = gtp0_pdp_find(gtp, be64_to_cpu(gtp0->tid));

	if (!pctx) {

		netdev_dbg(gtp->dev, "No PDP ctx to decap skb=%p\n", skb);

		return -1;

		return 1;

	}



	if (!gtp_check_src_ms(skb, pctx, hdrlen)) {

		netdev_dbg(gtp->dev, "No PDP ctx for this MS\n");

		return -1;

		return 1;

	}



	/* Get rid of the GTP + UDP headers. */
@@ -247,12 +247,12 @@ static int gtp1u_udp_encap_recv(struct gtp_dev *gtp, struct sk_buff *skb, 
	pctx = gtp1_pdp_find(gtp, ntohl(gtp1->tid));

	if (!pctx) {

		netdev_dbg(gtp->dev, "No PDP ctx to decap skb=%p\n", skb);

		return -1;

		return 1;

	}



	if (!gtp_check_src_ms(skb, pctx, hdrlen)) {

		netdev_dbg(gtp->dev, "No PDP ctx for this MS\n");

		return -1;

		return 1;

	}



	/* Get rid of the GTP + UDP headers. */