[PATCH iproute2 10/21] iplink: bridge: add support for IFLA_BR_MCAST_QUERIER

[Nikolay Aleksandrov]

From: Nikolay Aleksandrov <niko...@cumulusnetworks.com>

This patch implements support for the IFLA_BR_MCAST_QUERIER attribute
in iproute2 so it can toggle the mcast querier value.

Signed-off-by: Nikolay Aleksandrov <niko...@cumulusnetworks.com>
---
 ip/iplink_bridge.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/ip/iplink_bridge.c b/ip/iplink_bridge.c
index 30f7b8014e2a..0d5c70312f1d 100644
--- a/ip/iplink_bridge.c
+++ b/ip/iplink_bridge.c
@@ -35,6 +35,7 @@ static void print_explain(FILE *f)
                "                  [ mcast_snooping MULTICAST_SNOOPING ]\n"
                "                  [ mcast_router MULTICAST_ROUTER ]\n"
                "                  [ mcast_query_use_ifaddr 
MCAST_QUERY_USE_IFADDR ]\n"
+               "                  [ mcast_querier MULTICAST_QUERIER ]\n"
                "\n"
                "Where: VLAN_PROTOCOL := { 802.1Q | 802.1ad }\n"
        );
@@ -168,6 +169,14 @@ static int bridge_parse_opt(struct link_util *lu, int 
argc, char **argv,
 
                        addattr8(n, 1024, IFLA_BR_MCAST_QUERY_USE_IFADDR,
                                 mcast_qui);
+               } else if (matches(*argv, "mcast_querier") == 0) {
+                       __u8 mcast_querier;
+
+                       NEXT_ARG();
+                       if (get_u8(&mcast_querier, *argv, 0))
+                               invarg("invalid mcast_querier", *argv);
+
+                       addattr8(n, 1024, IFLA_BR_MCAST_QUERIER, mcast_querier);
                } else if (matches(*argv, "help") == 0) {
                        explain();
                        return -1;
@@ -299,6 +308,10 @@ static void bridge_print_opt(struct link_util *lu, FILE 
*f, struct rtattr *tb[])
        if (tb[IFLA_BR_MCAST_QUERY_USE_IFADDR])
                fprintf(f, "mcast_query_use_ifaddr %u ",
                        rta_getattr_u8(tb[IFLA_BR_MCAST_QUERY_USE_IFADDR]));
+
+       if (tb[IFLA_BR_MCAST_QUERIER])
+               fprintf(f, "mcast_querier %u ",
+                       rta_getattr_u8(tb[IFLA_BR_MCAST_QUERIER]));
 }
 
 static void bridge_print_help(struct link_util *lu, int argc, char **argv,
-- 
2.4.3