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authorAndreas Schultz <aschultz@tpip.net>2017-01-27 10:40:57 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-12-09 22:01:54 +0100
commitd812be8288325ea28297e6bbbd8afb24b7d80f65 (patch)
treef9280db1e892485923d2d82593bae5e697d99aa3
parent3976dd677e891c0b2c63d08028d445663539472c (diff)
gtp: clear DF bit on GTP packet tx
[ Upstream commit c6ce1d08eede4c2968ed08aafa3165e8e183c5a1 ] 3GPP TS 29.281 and 3GPP TS 29.060 imply that GTP-U packets should be sent with the DF bit cleared. For example 3GPP TS 29.060, Release 8, Section 13.2.2: > Backbone router: Any router in the backbone may fragment the GTP > packet if needed, according to IPv4. Signed-off-by: Andreas Schultz <aschultz@tpip.net> Acked-by: Harald Welte <laforge@netfilter.org> Acked-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <alexander.levin@verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/net/gtp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/gtp.c b/drivers/net/gtp.c
index cebde074d196..5b67f8a8b79a 100644
--- a/drivers/net/gtp.c
+++ b/drivers/net/gtp.c
@@ -612,7 +612,7 @@ static netdev_tx_t gtp_dev_xmit(struct sk_buff *skb, struct net_device *dev)
pktinfo.fl4.saddr, pktinfo.fl4.daddr,
pktinfo.iph->tos,
ip4_dst_hoplimit(&pktinfo.rt->dst),
- htons(IP_DF),
+ 0,
pktinfo.gtph_port, pktinfo.gtph_port,
true, false);
break;