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iproute2: ip6_tunnel mode bugfixes: any,vti6

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- any ipv6 tunnel mode (proto == 0) could not be set
due to incomplete set of cases in do_add, do_del.
- vti6 logic was inverted: it was using "ip6_vti0" basedev
UNLESS mode is set to vti6.

We don't need a switch by p.proto in do_add()/do_del(): it
already exists in parse_args(). So if parse_args() call
was successful, no need to check tunnel mode again.

Signed-off-by: Alexey Andriyanov <alan@al-an.info>
This commit is contained in:
Alexey Andriyanov 2014-10-29 09:19:30 +03:00 committed by Stephen Hemminger
parent eeb669a740
commit a0638e18b2
1 changed files with 14 additions and 26 deletions
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40
ip/ip6tunnel.c
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@ -453,49 +453,37 @@ static int do_show(int argc, char **argv)
static int do_add(int cmd, int argc, char **argv)
{
struct ip6_tnl_parm2 p;
const char *basedev = "ip6tnl0";
ip6_tnl_parm_init(&p, 1);
if (parse_args(argc, argv, cmd, &p) < 0)
return -1;
switch (p.proto) {
case IPPROTO_IPIP:
case IPPROTO_IPV6:
if (p.i_flags != VTI_ISVTI)
return tnl_add_ioctl(cmd, "ip6_vti0", p.name, &p);
else
return tnl_add_ioctl(cmd, "ip6tnl0", p.name, &p);
case IPPROTO_GRE:
return tnl_add_ioctl(cmd, "ip6gre0", p.name, &p);
default:
fprintf(stderr, "cannot determine tunnel mode (ip6ip6, ipip6, vti6 or gre)\n");
}
return -1;
if (p.proto == IPPROTO_GRE)
basedev = "ip6gre0";
else if (p.i_flags & VTI_ISVTI)
basedev = "ip6_vti0";
return tnl_add_ioctl(cmd, basedev, p.name, &p);
}
static int do_del(int argc, char **argv)
{
struct ip6_tnl_parm2 p;
const char *basedev = "ip6tnl0";
ip6_tnl_parm_init(&p, 1);
if (parse_args(argc, argv, SIOCDELTUNNEL, &p) < 0)
return -1;
switch (p.proto) {
case IPPROTO_IPIP:
case IPPROTO_IPV6:
if (p.i_flags != VTI_ISVTI)
return tnl_del_ioctl("ip6_vti0", p.name, &p);
else
return tnl_del_ioctl("ip6tnl0", p.name, &p);
case IPPROTO_GRE:
return tnl_del_ioctl("ip6gre0", p.name, &p);
default:
return tnl_del_ioctl(p.name, p.name, &p);
}
return -1;
if (p.proto == IPPROTO_GRE)
basedev = "ip6gre0";
else if (p.i_flags & VTI_ISVTI)
basedev = "ip6_vti0";
return tnl_del_ioctl(basedev, p.name, &p);
}
int do_ip6tunnel(int argc, char **argv)