netdev - Re: [PATCH 1/5] vxlan: Group Policy extension

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Message-ID: <20150115025539.GA20315@casper.infradead.org>
Date:	Thu, 15 Jan 2015 02:55:39 +0000
From:	Thomas Graf <tgraf@...g.ch>
To:	Tom Herbert <therbert@...gle.com>
Cc:	David Miller <davem@...emloft.ne>, Jesse Gross <jesse@...ira.com>,
	Stephen Hemminger <stephen@...workplumber.org>,
	Pravin B Shelar <pshelar@...ira.com>,
	Alexei Starovoitov <alexei.starovoitov@...il.com>,
	Nicolas Dichtel <nicolas.dichtel@...nd.com>,
	Linux Netdev List <netdev@...r.kernel.org>,
	"dev@...nvswitch.org" <dev@...nvswitch.org>
Subject: Re: [PATCH 1/5] vxlan: Group Policy extension

On 01/15/15 at 01:28am, Thomas Graf wrote:
> What exactly is the problem of having a distinct bitmap used by
> extensions? It is the least error prone method because it's clear that
> all extensions must match and we don't have to maintain an additional
> bitmask which can be forgotten to be updated.
> 
> If you need to compare additional receive checksum settings for RCO
> then that should be separate because as you say it's not an extension.

Tom,

OK. I have changed it to use flags instead of exts in v6. You should
be able to add whatever RCO flags need to be matched in
vxlan_find_sock() to the VXLAN_F_UNSHAREABLE bitmask.

Hope this makes everybody happy ;-)
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