netdev - Re: [PATCH net-next v2] ipv6: move IPV6_TCLASS

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Date:	Mon, 13 Jan 2014 21:25:40 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	roy.qing.li@...il.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH net-next v2] ipv6: move IPV6_TCLASS_SHIFT into ipv6.h

From: roy.qing.li@...il.com
Date: Fri, 10 Jan 2014 18:03:18 +0800

> @@ -150,6 +150,8 @@ static int fib6_rule_match(struct fib_rule *rule, struct flowi *fl, int flags)
>  {
>  	struct fib6_rule *r = (struct fib6_rule *) rule;
>  	struct flowi6 *fl6 = &fl->u.ip6;
> +	u8 tclass = ntohl(fl6->flowlabel & IPV6_TCLASS_MASK) >>
> +		    IPV6_TCLASS_SHIFT;

As others have mentioned, please make a helper inline function or
macro for this calculation.  It happens in two places.


Thanks.
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