switchdev: don't support custom ip rules, for now

Keep switchdev FIB offload model simple for now and don't allow custom ip
rules.

Signed-off-by: Scott Feldman <sfeldma@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 4 insertions, 0 deletions

diff --git a/net/switchdev/switchdev.c b/net/switchdev/switchdev.c
index 3c090f8d071b..81c4c0274b9b 100644
--- a/net/switchdev/switchdev.c
+++ b/net/switchdev/switchdev.c
@@ -242,6 +242,10 @@ EXPORT_SYMBOL(ndo_dflt_netdev_switch_port_bridge_dellink);
 int netdev_switch_fib_ipv4_add(u32 dst, int dst_len, struct fib_info *fi,
                                u8 tos, u8 type, u32 tb_id)
 {
+        /* Don't offload route if using custom ip rules */
+        if (fi->fib_net->ipv4.fib_has_custom_rules)
+                return 0;
+
         return 0;
 }
 EXPORT_SYMBOL(netdev_switch_fib_ipv4_add);