On Sun, Oct 20, 2013 at 03:43:04PM +0300, Julian Anastasov wrote:
> Make sure rt6i_gateway contains nexthop information in
> all routes returned from lookup or when routes are directly
> attached to skb for generated ICMP packets.
>
> The effect of this patch should be a faster version of
> rt6_nexthop() and the consideration of local addresses as
> nexthop.
>
> Signed-off-by: Julian Anastasov <ja@xxxxxx>
> ---
> include/net/ip6_route.h | 6 ++----
> net/ipv6/ip6_output.c | 4 ++--
> net/ipv6/route.c | 8 ++++++--
> 3 files changed, 10 insertions(+), 8 deletions(-)
>
> diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h
> index 481404a..2b786b7 100644
> --- a/include/net/ip6_route.h
> +++ b/include/net/ip6_route.h
> @@ -194,11 +194,9 @@ static inline int ip6_skb_dst_mtu(struct sk_buff *skb)
> skb_dst(skb)->dev->mtu : dst_mtu(skb_dst(skb));
> }
>
> -static inline struct in6_addr *rt6_nexthop(struct rt6_info *rt, struct in6_addr *dest)
> +static inline struct in6_addr *rt6_nexthop(struct rt6_info *rt)
> {
> - if (rt->rt6i_flags & RTF_GATEWAY || !ipv6_addr_any(&rt->rt6i_gateway))
> - return &rt->rt6i_gateway;
> - return dest;
> + return &rt->rt6i_gateway;
> }
>
Hm, looks good. Will test is soon.
One small remark:
Maybe we can kill rt6_nexthop completly and use rt6i_gateway directly so a
reader does not have to lookup this function.
Thanks,
Hannes
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