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mlxsw: spectrum_router: Prevent ipv6 gateway with v4 route via replace and append
mlxsw currently does not support v6 gateways with v4 routes. Commit
19a9d136f1
("ipv4: Flag fib_info with a fib_nh using IPv6 gateway")
prevents a route from being added, but nothing stops the replace or
append. Add a catch for them too.
$ ip ro add 172.16.2.0/24 via 10.99.1.2
$ ip ro replace 172.16.2.0/24 via inet6 fe80::202:ff:fe00:b dev swp1s0
Error: mlxsw_spectrum: IPv6 gateway with IPv4 route is not supported.
$ ip ro append 172.16.2.0/24 via inet6 fe80::202:ff:fe00:b dev swp1s0
Error: mlxsw_spectrum: IPv6 gateway with IPv4 route is not supported.
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
08308f149b
commit
7973d9e767
@ -6105,6 +6105,8 @@ static int mlxsw_sp_router_fib_event(struct notifier_block *nb,
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return notifier_from_errno(err);
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break;
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case FIB_EVENT_ENTRY_ADD:
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case FIB_EVENT_ENTRY_REPLACE: /* fall through */
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case FIB_EVENT_ENTRY_APPEND: /* fall through */
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if (router->aborted) {
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NL_SET_ERR_MSG_MOD(info->extack, "FIB offload was aborted. Not configuring route");
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return notifier_from_errno(-EINVAL);
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