netdev - Re: [PATCH net] rtnetlink: Restore RTM_NEW/DELLINK notification behavior

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Date:   Thu, 13 Apr 2023 04:30:18 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Martin Willi <martin@...ongswan.org>
Cc:     kuba@...nel.org, liuhangbin@...il.com, gnault@...hat.com,
        davem@...emloft.net, edumazet@...gle.com, pabeni@...hat.com,
        netdev@...r.kernel.org
Subject: Re: [PATCH net] rtnetlink: Restore RTM_NEW/DELLINK notification behavior

Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@...nel.org>:

On Tue, 11 Apr 2023 09:43:19 +0200 you wrote:
> The commits referenced below allows userspace to use the NLM_F_ECHO flag
> for RTM_NEW/DELLINK operations to receive unicast notifications for the
> affected link. Prior to these changes, applications may have relied on
> multicast notifications to learn the same information without specifying
> the NLM_F_ECHO flag.
> 
> For such applications, the mentioned commits changed the behavior for
> requests not using NLM_F_ECHO. Multicast notifications are still received,
> but now use the portid of the requester and the sequence number of the
> request instead of zero values used previously. For the application, this
> message may be unexpected and likely handled as a response to the
> NLM_F_ACKed request, especially if it uses the same socket to handle
> requests and notifications.
> 
> [...]

Here is the summary with links:
  - [net] rtnetlink: Restore RTM_NEW/DELLINK notification behavior
    https://git.kernel.org/netdev/net/c/59d3efd27c11

You are awesome, thank you!
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