linux-kernel - Re: [PATCH net v2] netdevsim: set the carrier when the device goes up

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Message-Id: 
 <176057581624.1114538.7225603032888761375.git-patchwork-notify@kernel.org>
Date: Thu, 16 Oct 2025 00:50:16 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Breno Leitao <leitao@...ian.org>
Cc: kuba@...nel.org, andrew+netdev@...n.ch, davem@...emloft.net,
 edumazet@...gle.com, pabeni@...hat.com, dw@...idwei.uk,
 netdev@...r.kernel.org, linux-kernel@...r.kernel.org, kernel-team@...a.com,
 andrew@...n.ch
Subject: Re: [PATCH net v2] netdevsim: set the carrier when the device goes up

Hello:

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

On Tue, 14 Oct 2025 02:17:25 -0700 you wrote:
> Bringing a linked netdevsim device down and then up causes communication
> failure because both interfaces lack carrier. Basically a ifdown/ifup on
> the interface make the link broken.
> 
> Commit 3762ec05a9fbda ("netdevsim: add NAPI support") added supported
> for NAPI, calling netif_carrier_off() in nsim_stop(). This patch
> re-enables the carrier symmetrically on nsim_open(), in case the device
> is linked and the peer is up.
> 
> [...]

Here is the summary with links:
  - [net,v2] netdevsim: set the carrier when the device goes up
    https://git.kernel.org/netdev/net/c/1a8fed52f7be

You are awesome, thank you!
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