iplink: bridge_slave: add support for IFLA_BRPORT_MULTICAST_ROUTER

Add support to be able to view and change IFLA_BRPORT_MULTICAST_ROUTER port
attribute.

Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>

diff --git a/ip/iplink_bridge_slave.c b/ip/iplink_bridge_slave.c
index 68d14089452996631cc8e6988be5e1a1cd6bce8f..16b364f6bdce834999337a38428eac6c72eb0bc3 100644 (file)
--- a/ip/iplink_bridge_slave.c
+++ b/ip/iplink_bridge_slave.c
@@ -31,6 +31,7 @@ static void print_explain(FILE *f)
                "                        [ flood {on | off} ]\n"
                "                        [ proxy_arp {on | off} ]\n"
                "                        [ proxy_arp_wifi {on | off} ]\n"
+               "                        [ mcast_router MULTICAST_ROUTER ]\n"
        );
 }
 
@@ -177,6 +178,10 @@ static void bridge_slave_print_opt(struct link_util *lu, FILE *f,
        if (tb[IFLA_BRPORT_PROXYARP_WIFI])
                print_onoff(f, "proxy_arp_wifi",
                            rta_getattr_u8(tb[IFLA_BRPORT_PROXYARP_WIFI]));
+
+       if (tb[IFLA_BRPORT_MULTICAST_ROUTER])
+               fprintf(f, "mcast_router %u ",
+                       rta_getattr_u8(tb[IFLA_BRPORT_MULTICAST_ROUTER]));
 }
 
 static void bridge_slave_parse_on_off(char *arg_name, char *arg_val,
@@ -249,6 +254,14 @@ static int bridge_slave_parse_opt(struct link_util *lu, int argc, char **argv,
                        NEXT_ARG();
                        bridge_slave_parse_on_off("proxy_arp_wifi", *argv, n,
                                                  IFLA_BRPORT_PROXYARP_WIFI);
+               } else if (matches(*argv, "mcast_router") == 0) {
+                       __u8 mcast_router;
+
+                       NEXT_ARG();
+                       if (get_u8(&mcast_router, *argv, 0))
+                               invarg("invalid mcast_router", *argv);
+                       addattr8(n, 1024, IFLA_BRPORT_MULTICAST_ROUTER,
+                                mcast_router);
                } else if (matches(*argv, "help") == 0) {
                        explain();
                        return -1;