Re: [PATCH net,v2] ip_tunnel: fix ipv4 pmtu check to honor inner ip header df

2015-07-08 Thread David Miller
From: Timo Teräs timo.te...@iki.fi Date: Tue, 7 Jul 2015 08:34:13 +0300 Frag needed should be sent only if the inner header asked to not fragment. Currently fragmentation is broken if the tunnel has df set, but df was not asked in the original packet. The tunnel's df needs to be still

Re: [PATCH net,v2] ip_tunnel: fix ipv4 pmtu check to honor inner ip header df

2015-07-07 Thread Pravin Shelar
On Mon, Jul 6, 2015 at 10:34 PM, 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, but df was not asked in the original packet. The tunnel's df needs to be still checked to

[PATCH net,v2] 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, but df was not asked in the original packet. The tunnel's df needs to be still checked to update internally the pmtu cache. Commit 23a3647bc4f93bac broke it, and