netdev - Re: [PATCH net-next 4/6] ionic: ignore eexist on rx filter add

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Message-ID: <20200319204358.7e141f1a@kicinski-fedora-PC1C0HJN>
Date:   Thu, 19 Mar 2020 20:43:58 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Shannon Nelson <snelson@...sando.io>
Cc:     netdev@...r.kernel.org, davem@...emloft.net
Subject: Re: [PATCH net-next 4/6] ionic: ignore eexist on rx filter add

On Thu, 19 Mar 2020 19:31:51 -0700 Shannon Nelson wrote:
> Don't worry if the rx filter add firmware request fails on
> EEXIST, at least we know the filter is there.  Same for
> the delete request, at least we know it isn't there.
> 
> Fixes: 2a654540be10 ("ionic: Add Rx filter and rx_mode ndo support")
> Signed-off-by: Shannon Nelson <snelson@...sando.io>

Why could the filter be there? Seems like the FW shouldn't have filters
the driver didn't add, could a flush/reset command help to start from
clean state?

Just curious.