gtp: clear DF bit on GTP packet tx
authorAndreas Schultz <aschultz@tpip.net>
Fri, 27 Jan 2017 09:40:57 +0000 (10:40 +0100)
committerDavid S. Miller <davem@davemloft.net>
Fri, 27 Jan 2017 15:39:09 +0000 (10:39 -0500)
commitc6ce1d08eede4c2968ed08aafa3165e8e183c5a1
treef8c7c4c0b9933365985a620929110f34140c9591
parentab729823ec16aef384f09fd2cffe0b3d3f6e6cba
gtp: clear DF bit on GTP packet tx

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>
drivers/net/gtp.c