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iptunnel: Allow GRE_KEY for vti interface 

The vti interface will use GRE_KEY to match the right policy in kernel. So we
can not return fail when the tunnel is vti.

Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
This commit is contained in:
Hangbin Liu 2013-12-06 00:19:01 +08:00 committed by Stephen Hemminger
parent 5e25cf77b9
commit 1c28bd597b
1 changed files with 3 additions and 2 deletions
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5
ip/iptunnel.c
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@ -240,8 +240,9 @@ static int parse_args(int argc, char **argv, int cmd, struct ip_tunnel_parm *p)
}
}
if (p->iph.protocol == IPPROTO_IPIP || p->iph.protocol == IPPROTO_IPV6) {
if ((p->i_flags & GRE_KEY) || (p->o_flags & GRE_KEY)) {
if ((p->i_flags & GRE_KEY) || (p->o_flags & GRE_KEY)) {
if (!(p->i_flags & VTI_ISVTI) &&
(p->iph.protocol != IPPROTO_GRE)) {
fprintf(stderr, "Keys are not allowed with ipip and sit tunnels\n");
return -1;
}