netdev - Re: [PATCH v2 net-next 03/10] net/ipv4: Simplify fib_multipath

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Message-ID: <20180302132653.GC23979@splinter>
Date:   Fri, 2 Mar 2018 15:26:53 +0200
From:   Ido Schimmel <idosch@...sch.org>
To:     David Ahern <dsahern@...il.com>
Cc:     netdev@...r.kernel.org, davem@...emloft.net,
        roopa@...ulusnetworks.com, nikolay@...ulusnetworks.com,
        tom@...bertland.com
Subject: Re: [PATCH v2 net-next 03/10] net/ipv4: Simplify fib_multipath_hash
 with optional flow keys

On Thu, Mar 01, 2018 at 07:29:43PM -0800, David Ahern wrote:
> As of commit e37b1e978bec5 ("ipv6: route: dissect flow in input path if
> fib rules need it") fib_multipath_hash takes an optional flow keys. If
> non-NULL it means the skb has already been dissected. If not set, then
> fib_multipath_hash needs to call skb_flow_dissect_flow_keys.
> 
> Simplify the logic by setting flkeys to the local stack variable keys.
> Simplifies fib_multipath_hash by only have 1 set of instructions
> setting hash_keys.
> 
> Signed-off-by: David Ahern <dsahern@...il.com>

Reviewed-by: Ido Schimmel <idosch@...lanox.com>