Subject: Re: [PATCH] IPv6: use ipv6_addr_v4mapped()

From: Eric Dumazet <[email-masked]>
Date: Mon, 09 Nov 2009 23:59:53 +0100

Brian Haley a écrit :
> Change udp6_portaddr_hash() to use ipv6_addr_v4mapped()
> inline instead of ipv6_addr_type().
> 
> Signed-off-by: Brian Haley <[email-masked]>
> ---
> 
> diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
> index 2915e1d..0ed1637 100644
> --- a/net/ipv6/udp.c
> +++ b/net/ipv6/udp.c
> @@ -89,7 +89,7 @@ static unsigned int udp6_portaddr_hash(struct net *net,
>  
>  	if (ipv6_addr_any(addr6))
>  		hash = jhash_1word(0, mix);
> -	else if (ipv6_addr_type(addr6) == IPV6_ADDR_MAPPED)
> +	else if (ipv6_addr_v4mapped(addr6))
>  		hash = jhash_1word(addr6->s6_addr32[3], mix);
>  	else
>  		hash = jhash2(addr6->s6_addr32, 4, mix);

Indeed, its a bit faster ;)

Acked-by: Eric Dumazet <[email-masked]>

Thanks Brian