[PATCH] ip_tunnel: fix ipv4 pmtu check to honor inner ip header df

2015-07-06 Thread Timo Teräs
Frag needed should be sent only if the inner header asked to not fragment. Currently fragmentation is broken if the tunnel has df set. The tunnel's df needs to be still checked to update internally the pmtu cache. This got broken in commit 23a3647bc4f93bac and this fixes the pmtu check back to

Re: [PATCH] ip_tunnel: fix ipv4 pmtu check to honor inner ip header df

2015-07-06 Thread Pravin Shelar
On Mon, Jul 6, 2015 at 1:35 AM, Timo Teräs timo.te...@iki.fi wrote: Frag needed should be sent only if the inner header asked to not fragment. Currently fragmentation is broken if the tunnel has df set. The tunnel's df needs to be still checked to update internally the pmtu cache. This got