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SubjectRe: IPv6: Blackhole route support partial ?
On Tue, Nov 12, 2013 at 04:39:10PM +0530, Kamala R wrote:
> Hi,
>
> Sure, here it is.
>
> --- linux-3.12/net/ipv6/route.c.orig 2013-11-12 16:23:46.000000000 +0530
> +++ linux-3.12/net/ipv6/route.c 2013-11-12 16:30:51.000000000 +0530
> @@ -1570,9 +1570,13 @@ int ip6_route_add(struct fib6_config *cf
> switch (cfg->fc_type) {
> case RTN_BLACKHOLE:
> rt->dst.error = -EINVAL;
> + rt->dst.input = dst_discard;
> + rt->dst.discard = dst_discard;
> break;
> case RTN_PROHIBIT:
> rt->dst.error = -EACCES;
> + rt->dst.input = ip6_pkt_prohibit;
> + rt->dst.output = ip6_pkt_prohibit_out;
> break;
> case RTN_THROW:
> rt->dst.error = -EAGAIN;
>
> Is this ok ?

I woud move all the initialization of the function pointer into the
switch-case. You could merge the case RTN_THROW with the default one by just
using a ternary statement to initialize dst.error.

Your patch must be well-formed to get included into the
kernel. For that you should base your patch ontop net-next
or net, write a proper commit message and send the git
format-patch generated patch to this list. Here some hints:
<https://git.kernel.org/cgit/linux/kernel/git/davem/net-next.git/tree/Documentation/SubmittingPatches>

You can check if your formatting is correct by using scripts/checkpatch
--strict.

Let me know if there are any problems with that.

Thank you,

Hannes



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