Re: [PATCH net-next] openvswitch: do not propagate headroom updates to internal port

2017-12-02 Thread David Miller
From: Paolo Abeni Date: Thu, 30 Nov 2017 15:35:33 +0100 > After commit 3a927bc7cf9d ("ovs: propagate per dp max headroom to > all vports") the need_headroom for the internal vport is updated > accordingly to the max needed headroom in its datapath. > > That avoids the

Re: [PATCH net-next] openvswitch: do not propagate headroom updates to internal port

2017-12-01 Thread Pravin Shelar
On Thu, Nov 30, 2017 at 6:35 AM, Paolo Abeni wrote: > After commit 3a927bc7cf9d ("ovs: propagate per dp max headroom to > all vports") the need_headroom for the internal vport is updated > accordingly to the max needed headroom in its datapath. > > That avoids the

[PATCH net-next] openvswitch: do not propagate headroom updates to internal port

2017-11-30 Thread Paolo Abeni
After commit 3a927bc7cf9d ("ovs: propagate per dp max headroom to all vports") the need_headroom for the internal vport is updated accordingly to the max needed headroom in its datapath. That avoids the pskb_expand_head() costs when sending/forwarding packets towards tunnel devices, at least for