[IPV6]: Optimize hop-limit determination.
authorYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Mon, 10 Mar 2008 10:00:30 +0000 (06:00 -0400)
committerYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Tue, 25 Mar 2008 01:24:00 +0000 (10:24 +0900)
Last part of hop-limit determination is always:
    hoplimit = dst_metric(dst, RTAX_HOPLIMIT);
    if (hoplimit < 0)
        hoplimit = ipv6_get_hoplimit(dst->dev).

Let's consolidate it as ip6_dst_hoplimit(dst).

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>

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