linux-kernel - Re: [PATCH net v4] mlxbf_gige: Fix intermittent no ip issue

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Date: Sun, 07 Jan 2024 15:20:21 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Asmaa Mnebhi <asmaa@...dia.com>
Cc: davem@...emloft.net, f.fainelli@...il.com, edumazet@...gle.com,
 kuba@...nel.org, pabeni@...hat.com, tbogendoerfer@...e.de, horms@...nel.org,
 netdev@...r.kernel.org, linux-kernel@...r.kernel.org, davthompson@...dia.com
Subject: Re: [PATCH net v4] mlxbf_gige: Fix intermittent no ip issue

Hello:

This patch was applied to netdev/net.git (main)
by David S. Miller <davem@...emloft.net>:

On Fri, 5 Jan 2024 10:59:46 -0500 you wrote:
> Although the link is up, there is no ip assigned on setups with high background
> traffic. Nothing is transmitted nor received. The RX error count keeps on
> increasing. After several minutes, the RX error count stagnates and the
> GigE interface finally gets an ip.
> 
> The issue is that mlxbf_gige_rx_init() is called before phy_start().
> As soon as the RX DMA is enabled in mlxbf_gige_rx_init(), the RX CI reaches the max
> of 128, and becomes equal to RX PI. RX CI doesn't decrease since the code hasn't
> ran phy_start yet.
> Bring the PHY up before starting the RX.
> 
> [...]

Here is the summary with links:
  - [net,v4] mlxbf_gige: Fix intermittent no ip issue
    https://git.kernel.org/netdev/net/c/ef210ef85d5c

You are awesome, thank you!
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