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| /openbmc/linux/net/ipv6/ |
| H A D | route.c | diff e3818541b49fb88650ba339d33cc53e4095da5b3 Tue Feb 26 11:00:03 CST 2019 David Ahern <dsahern@gmail.com> ipv6: Return error for RTA_VIA attribute
IPv6 currently does not support nexthops outside of the AF_INET6 family.
Specifically, it does not handle RTA_VIA attribute. If it is passed
in a route add request, the actual route added only uses the device
which is clearly not what the user intended:
$ ip -6 ro add 2001:db8:2::/64 via inet 172.16.1.1 dev eth0
$ ip ro ls
...
2001:db8:2::/64 dev eth0 metric 1024 pref medium
Catch this and fail the route add:
$ ip -6 ro add 2001:db8:2::/64 via inet 172.16.1.1 dev eth0
Error: IPv6 does not support RTA_VIA attribute.
Fixes: 03c0566542f4c ("mpls: Netlink commands to add, remove, and dump routes")
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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