linux-kernel - Re: [PATCH v2] net: ethernet: ti: cpsw: fix tx vlan priority mapping

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Date:   Sun, 22 Apr 2018 14:56:03 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     ivan.khoronzhuk@...aro.org
Cc:     grygorii.strashko@...com, linux-omap@...r.kernel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] net: ethernet: ti: cpsw: fix tx vlan priority
 mapping

From: Ivan Khoronzhuk <ivan.khoronzhuk@...aro.org>
Date: Thu, 19 Apr 2018 22:49:09 +0300

> The CPDMA_TX_PRIORITY_MAP in real is vlan pcp field priority mapping
> register and basically replaces vlan pcp field for tagged packets.
> So, set it to be 1:1 mapping. Otherwise, it will cause unexpected
> change of egress vlan tagged packets, like prio 2 -> prio 5.
> 
> Fixes: e05107e6b747 ("net: ethernet: ti: cpsw: add multi queue support")
> Reviewed-by: Grygorii Strashko <grygorii.strashko@...com>
> Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@...aro.org>
> ---

Applied and queud up for -stable.