From fb44cadb9200f85fc1c78c5a208ce7bed2c5a594 Mon Sep 17 00:00:00 2001 From: Nikolay Aleksandrov Date: Tue, 9 Feb 2016 00:14:31 +0100 Subject: [PATCH] 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 --- ip/iplink_bridge.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/ip/iplink_bridge.c b/ip/iplink_bridge.c index f912c318c..be83a5690 100644 --- a/ip/iplink_bridge.c +++ b/ip/iplink_bridge.c @@ -39,6 +39,7 @@ static void print_explain(FILE *f) " [ 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 @@ static int bridge_parse_opt(struct link_util *lu, int argc, char **argv, 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 @@ static void bridge_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[]) 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, -- 2.47.2