netdev - Re: [PATCH V6 net-next 1/2] rtnl: Add support for netdev event to link messages

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Message-ID: <f05c6d50-ff95-6057-b2e5-bcc0c447b0c8@gmail.com>
Date:   Sat, 27 May 2017 15:41:28 -0600
From:   David Ahern <dsahern@...il.com>
To:     Vladislav Yasevich <vyasevich@...il.com>, netdev@...r.kernel.org
Cc:     roopa@...ulusnetworks.com, jiri@...nulli.us, vfalico@...il.com,
        andy@...yhouse.net, Vladislav Yasevich <vyasevic@...hat.com>
Subject: Re: [PATCH V6 net-next 1/2] rtnl: Add support for netdev event to
 link messages

On 5/27/17 8:14 AM, Vladislav Yasevich wrote:
> When netdev events happen, a rtnetlink_event() handler will send
> messages for every event in it's white list.  These messages contain
> current information about a particular device, but they do not include
> the iformation about which event just happened.  So, it is impossible
> to tell what just happend for these events.
> 
> This patch adds a new extension to RTM_NEWLINK message called IFLA_EVENT
> that would have an encoding of event that triggered this
> message.  This would allow the the message consumer to easily determine
> if it needs to perform certain actions.
> 
> Signed-off-by: Vladislav Yasevich <vyasevic@...hat.com>
> ---
>  include/linux/rtnetlink.h    |  3 +-
>  include/uapi/linux/if_link.h | 11 ++++++++
>  net/core/dev.c               |  2 +-
>  net/core/rtnetlink.c         | 65 ++++++++++++++++++++++++++++++++++++++------
>  4 files changed, 70 insertions(+), 11 deletions(-)

Acked-by: David Ahern <dsahern@...il.com>