Patch "gtp: clear DF bit on GTP packet tx" has been added to the 4.9-stable tree
Subsystems (3)
This is a note to let you know that I've just added the patch titled
gtp: clear DF bit on GTP packet tx
to the 4.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
gtp-clear-df-bit-on-gtp-packet-tx.patch
and it can be found in the queue-4.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.
Quoted 1 line
From foo@baz Wed Dec 6 17:39:55 CET 2017
From: Andreas Schultz <[email protected]>
Date: Fri, 27 Jan 2017 10:40:57 +0100
Subject: gtp: clear DF bit on GTP packet tx
From: Andreas Schultz <[email protected]>
[ 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:
Quoted 2 lines
Backbone router: Any router in the backbone may fragment the GTP packet if needed, according to IPv4.
--- drivers/net/gtp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
drivers/net/gtp.c +1 -1
@@ -612,7 +612,7 @@ static netdev_tx_t gtp_dev_xmit(struct s 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 ;
Patches currently in stable-queue which might be from [email protected] are
queue-4.9/gtp-clear-df-bit-on-gtp-packet-tx.patch queue-4.9/gtp-fix-cross-netns-recv-on-gtp-socket.patch