netdev - Re: [PATCH net-next v3 1/1] geneve: add rtnl changelink support

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Date:   Mon, 24 Jul 2017 13:51:38 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     girish.moodalbail@...cle.com
Cc:     pshelar@....org, netdev@...r.kernel.org
Subject: Re: [PATCH net-next v3 1/1] geneve: add rtnl changelink support

From: Girish Moodalbail <girish.moodalbail@...cle.com>
Date: Thu, 20 Jul 2017 22:44:20 -0700

> This patch adds changelink rtnl operation support for geneve devices
> and the code changes involve:
> 
>   - added geneve_quiesce() which quiesces the geneve device data path
>     for both TX and RX. This lets us perform the changelink operation
>     atomically w.r.t data path. Also added geneve_unquiesce() to
>     reverse the operation of geneve_quiesce().
> 
>   - refactor geneve_newlink into geneve_nl2info to be used by both
>     geneve_newlink and geneve_changelink
> 
>   - geneve_nl2info takes a changelink boolean argument to isolate
>     changelink checks.
> 
>   - Allow changing only a few attributes (ttl, tos, and remote tunnel
>     endpoint IP address (within the same address family)):
>     - return -EOPNOTSUPP for attributes that cannot be changed for
>       now. Incremental patches can make the non-supported one
>       available in the future if needed.
> 
> Signed-off-by: Girish Moodalbail <girish.moodalbail@...cle.com>

Applied.