netdev - Re: [PATCH net-next v2 1/2] net: Add skb_get_hash

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Message-ID: <1389745206.31367.289.camel@edumazet-glaptop2.roam.corp.google.com>
Date:	Tue, 14 Jan 2014 16:20:06 -0800
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Tom Herbert <therbert@...gle.com>
Cc:	davem@...emloft.net, netdev@...r.kernel.org
Subject: Re: [PATCH net-next v2 1/2] net: Add skb_get_hash_noeval

On Tue, 2014-01-14 at 16:01 -0800, Tom Herbert wrote:
> Function to just return skb->rxhash without checking to see if it needs
> to be recomputed.
> 
> Signed-off-by: Tom Herbert <therbert@...gle.com>
> ---
>  include/linux/skbuff.h | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
> index d97f2d0..bbdc847 100644
> --- a/include/linux/skbuff.h
> +++ b/include/linux/skbuff.h
> @@ -771,6 +771,11 @@ static inline __u32 skb_get_hash(struct sk_buff *skb)
>  	return skb->rxhash;
>  }
>  
> +static inline __u32 skb_get_hash_noeval(struct sk_buff *skb)

const struct sk_buff *skb

> +{
> +	return skb->rxhash;
> +}
> +
>  static inline void skb_clear_hash(struct sk_buff *skb)
>  {
>  	skb->rxhash = 0;


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