linux-kernel - Re: [PATCH net v4] igbvf: Regard vf reset nack as success

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Message-ID: <Y4yCkQh6F/qtsAct@unreal>
Date:   Sun, 4 Dec 2022 13:20:49 +0200
From:   Leon Romanovsky <leon@...nel.org>
To:     Akihiko Odaki <akihiko.odaki@...nix.com>
Cc:     linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        intel-wired-lan@...ts.osuosl.org,
        Paul Menzel <pmenzel@...gen.mpg.de>,
        Jesse Brandeburg <jesse.brandeburg@...el.com>,
        "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Yan Vugenfirer <yan@...nix.com>,
        Yuri Benditovich <yuri.benditovich@...nix.com>,
        Tony Nguyen <anthony.l.nguyen@...el.com>
Subject: Re: [PATCH net v4] igbvf: Regard vf reset nack as success

On Thu, Dec 01, 2022 at 07:20:03PM +0900, Akihiko Odaki wrote:
> vf reset nack actually represents the reset operation itself is
> performed but no address is assigned. Therefore, e1000_reset_hw_vf
> should fill the "perm_addr" with the zero address and return success on
> such an occasion. This prevents its callers in netdev.c from saying PF
> still resetting, and instead allows them to correctly report that no
> address is assigned.
> 
> Fixes: 6ddbc4cf1f4d ("igb: Indicate failure on vf reset for empty mac address")
> Signed-off-by: Akihiko Odaki <akihiko.odaki@...nix.com>
> ---
> V3 -> V4: Removed blank lines between cases
> V2 -> V3: Added Fixes: tag
> 
>  drivers/net/ethernet/intel/igbvf/vf.c | 13 ++++++++++---
>  1 file changed, 10 insertions(+), 3 deletions(-)
> 

Thanks,
Reviewed-by: Leon Romanovsky <leonro@...dia.com>