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Date:	Mon, 26 Oct 2015 10:14:43 -0200
From:	Albino B Neto <bino@...o.us>
To:	Thomas F Herbert <thomasfherbert@...il.com>
Cc:	netdev@...r.kernel.org, pshelar@...ira.com, therbert@...hat.com,
	dev@...nvswitch.org
Subject: Re: [PATCH net-next V17 2/3] Check for vlan ethernet types for 8021.q
 or 802.1ad

2015-10-25 22:11 GMT-02:00 Thomas F Herbert <thomasfherbert@...il.com>:
> Signed-off-by: Thomas F Herbert <thomasfherbert@...il.com>
> ---
>  include/linux/if_vlan.h | 16 ++++++++++++++++
>  1 file changed, 16 insertions(+)
>
> diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h
> index 67ce5bd..d2494b5 100644
> --- a/include/linux/if_vlan.h
> +++ b/include/linux/if_vlan.h
> @@ -627,6 +627,22 @@ static inline netdev_features_t vlan_features_check(const struct sk_buff *skb,
>
>         return features;
>  }
> +/**
> + * eth_type_vlan - check for valid vlan ether type.
> + * @ethertype: ether type to check
> + *
> + * Returns true if the ether type is a vlan ether type.
> + */
> +static inline bool eth_type_vlan(__be16 ethertype)
> +{
> +       switch (ethertype) {
> +       case htons(ETH_P_8021Q):
> +       case htons(ETH_P_8021AD):
> +               return true;
> +       default:
> +               return false;
> +       }
> +}
>
>  /**
>   * compare_vlan_header - Compare two vlan headers

Description ?

   Albino
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