iplink: bridge: add support for IFLA_BR_MCAST_LAST_MEMBER_CNT
This patch implements support for the IFLA_BR_MCAST_LAST_MEMBER_CNT
attribute in iproute2 so it can change the last member count value.
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
diff --git a/ip/iplink_bridge.c b/ip/iplink_bridge.c
index f912c31..be83a56 100644
--- a/ip/iplink_bridge.c
+++ b/ip/iplink_bridge.c
@@ -39,6 +39,7 @@
" [ mcast_querier MULTICAST_QUERIER ]\n"
" [ mcast_hash_elasticity HASH_ELASTICITY ]\n"
" [ mcast_hash_max HASH_MAX ]\n"
+ " [ mcast_last_member_count LAST_MEMBER_COUNT ]\n"
"\n"
"Where: VLAN_PROTOCOL := { 802.1Q | 802.1ad }\n"
);
@@ -199,6 +200,16 @@
addattr32(n, 1024, IFLA_BR_MCAST_HASH_MAX,
mcast_hash_max);
+ } else if (matches(*argv, "mcast_last_member_count") == 0) {
+ __u32 mcast_lmc;
+
+ NEXT_ARG();
+ if (get_u32(&mcast_lmc, *argv, 0))
+ invarg("invalid mcast_last_member_count",
+ *argv);
+
+ addattr32(n, 1024, IFLA_BR_MCAST_LAST_MEMBER_CNT,
+ mcast_lmc);
} else if (matches(*argv, "help") == 0) {
explain();
return -1;
@@ -360,6 +371,10 @@
if (tb[IFLA_BR_MCAST_HASH_MAX])
fprintf(f, "mcast_hash_max %u ",
rta_getattr_u32(tb[IFLA_BR_MCAST_HASH_MAX]));
+
+ 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]));
}
static void bridge_print_help(struct link_util *lu, int argc, char **argv,