linux-kernel - Re: [PATCH net-next v2 1/7] net: dsa: add master helper to look up slaves

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Message-ID: <da94a05d-8523-b2ad-21e1-470cddf669a7@gmail.com>
Date:   Fri, 29 Sep 2017 18:14:36 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Vivien Didelot <vivien.didelot@...oirfairelinux.com>,
        netdev@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, kernel@...oirfairelinux.com,
        "David S. Miller" <davem@...emloft.net>,
        Andrew Lunn <andrew@...n.ch>
Subject: Re: [PATCH net-next v2 1/7] net: dsa: add master helper to look up
 slaves



On 09/29/2017 02:19 PM, Vivien Didelot wrote:
> The DSA tagging code does not need to know about the DSA architecture,
> it only needs to return the slave device corresponding to the source
> port index (and eventually the source device index for cascade-capable
> switches) parsed from the frame received on the master device.
> 
> For this purpose, provide an inline dsa_master_get_slave helper which
> validates the device and port indexes and look up the slave device.
> 
> This makes the tagging rcv functions more concise and robust, and also
> makes dsa_get_cpu_port obsolete.
> 
> Signed-off-by: Vivien Didelot <vivien.didelot@...oirfairelinux.com>

Reviewed-by: Florian Fainelli <f.fainelli@...il.com>
-- 
Florian