iplink: bridge: add support for IFLA_BR_MCAST_STARTUP_QUERY_CNT

This patch implements support for the IFLA_BR_MCAST_STARTUP_QUERY_CNT
attribute in iproute2 so it can change the startup query count.

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

diff --git a/ip/iplink_bridge.c b/ip/iplink_bridge.c
index be83a5690d398f9bd7965cc5f8c941b03e633524..58c19a1f092022d56be58daaa53dd7dc15e9190f 100644 (file)
--- a/ip/iplink_bridge.c
+++ b/ip/iplink_bridge.c
@@ -40,6 +40,7 @@ static void print_explain(FILE *f)
                "                  [ mcast_hash_elasticity HASH_ELASTICITY ]\n"
                "                  [ mcast_hash_max HASH_MAX ]\n"
                "                  [ mcast_last_member_count LAST_MEMBER_COUNT ]\n"
+               "                  [ mcast_startup_query_count STARTUP_QUERY_COUNT ]\n"
                "\n"
                "Where: VLAN_PROTOCOL := { 802.1Q | 802.1ad }\n"
        );
@@ -210,6 +211,16 @@ static int bridge_parse_opt(struct link_util *lu, int argc, char **argv,
 
                        addattr32(n, 1024, IFLA_BR_MCAST_LAST_MEMBER_CNT,
                                  mcast_lmc);
+               } else if (matches(*argv, "mcast_startup_query_count") == 0) {
+                       __u32 mcast_sqc;
+
+                       NEXT_ARG();
+                       if (get_u32(&mcast_sqc, *argv, 0))
+                               invarg("invalid mcast_startup_query_count",
+                                      *argv);
+
+                       addattr32(n, 1024, IFLA_BR_MCAST_STARTUP_QUERY_CNT,
+                                 mcast_sqc);
                } else if (matches(*argv, "help") == 0) {
                        explain();
                        return -1;
@@ -375,6 +386,10 @@ static void bridge_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
        if (tb[IFLA_BR_MCAST_LAST_MEMBER_CNT])
                fprintf(f, "mcast_last_member_count %u ",
                        rta_getattr_u32(tb[IFLA_BR_MCAST_LAST_MEMBER_CNT]));
+
+       if (tb[IFLA_BR_MCAST_STARTUP_QUERY_CNT])
+               fprintf(f, "mcast_startup_query_count %u ",
+                       rta_getattr_u32(tb[IFLA_BR_MCAST_STARTUP_QUERY_CNT]));
 }
 
 static void bridge_print_help(struct link_util *lu, int argc, char **argv,