netdev - Re: [PATCH net-next v2 02/12] net: dsa: add Broadcom tag hook

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Date:	Wed, 06 Aug 2014 16:25:48 +0400
From:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:	Florian Fainelli <f.fainelli@...il.com>, netdev@...r.kernel.org
CC:	davem@...emloft.net, linville@...driver.com
Subject: Re: [PATCH net-next v2 02/12] net: dsa: add Broadcom tag hook

Hello.

On 8/6/2014 2:31 AM, Florian Fainelli wrote:

> Register a fake Ethertype for the Broadcom tag to allow us to hook into
> a given Ethernet device receive path and parse this Broadcom tag.

> Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
[...]

> diff --git a/include/net/dsa.h b/include/net/dsa.h
> index 6efce384451e..0ada9c814ff9 100644
> --- a/include/net/dsa.h
> +++ b/include/net/dsa.h
> @@ -203,4 +203,9 @@ static inline bool dsa_uses_trailer_tags(struct dsa_switch_tree *dst)
>   	return !!(dst->tag_protocol == htons(ETH_P_TRAILER));
>   }
>
> +static inline bool dsa_uses_brcm_tags(struct dsa_switch_tree *dst)
> +{
> +	return !!(dst->tag_protocol == htons(ETH_P_BRCMTAG));

    Er, !! doesn't seem needed here.

> +}
> +
>   #endif

WBR, Sergei

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