netdev - [PATCH iproute2 15/21] iplink: bridge: add support for IFLA_BR_MCAST_LAST_MEMBER

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Date:	Mon,  8 Feb 2016 12:55:21 +0100
From:	Nikolay Aleksandrov <razor@...ckwall.org>
To:	netdev@...r.kernel.org
Cc:	roopa@...ulusnetworks.com, stephen@...workplumber.org,
	Nikolay Aleksandrov <nikolay@...ulusnetworks.com>
Subject: [PATCH iproute2 15/21] iplink: bridge: add support for IFLA_BR_MCAST_LAST_MEMBER_INTVL

From: Nikolay Aleksandrov <nikolay@...ulusnetworks.com>

This patch implements support for the IFLA_BR_MCAST_LAST_MEMBER_INTVL
attribute in iproute2 so it can change the last member interval.

Signed-off-by: Nikolay Aleksandrov <nikolay@...ulusnetworks.com>
---
 ip/iplink_bridge.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/ip/iplink_bridge.c b/ip/iplink_bridge.c
index d10a9255eb56..f2f52e078dbd 100644
--- a/ip/iplink_bridge.c
+++ b/ip/iplink_bridge.c
@@ -40,6 +40,7 @@ static void print_explain(FILE *f)
 		"                  [ mcast_hash_max HASH_MAX ]\n"
 		"                  [ mcast_last_member_count LAST_MEMBER_COUNT ]\n"
 		"                  [ mcast_startup_query_count STARTUP_QUERY_COUNT ]\n"
+		"                  [ mcast_last_member_interval LAST_MEMBER_INTERVAL ]\n"
 		"\n"
 		"Where: VLAN_PROTOCOL := { 802.1Q | 802.1ad }\n"
 	);
@@ -220,6 +221,16 @@ static int bridge_parse_opt(struct link_util *lu, int argc, char **argv,
 
 			addattr32(n, 1024, IFLA_BR_MCAST_STARTUP_QUERY_CNT,
 				  mcast_sqc);
+		} else if (matches(*argv, "mcast_last_member_interval") == 0) {
+			__u64 mcast_last_member_intvl;
+
+			NEXT_ARG();
+			if (get_u64(&mcast_last_member_intvl, *argv, 0))
+				invarg("invalid mcast_last_member_interval",
+				       *argv);
+
+			addattr64(n, 1024, IFLA_BR_MCAST_LAST_MEMBER_INTVL,
+				  mcast_last_member_intvl);
 		} else if (matches(*argv, "help") == 0) {
 			explain();
 			return -1;
@@ -371,6 +382,10 @@ static void bridge_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
 	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]));
+
+	if (tb[IFLA_BR_MCAST_LAST_MEMBER_INTVL])
+		fprintf(f, "mcast_last_member_interval %llu ",
+			rta_getattr_u64(tb[IFLA_BR_MCAST_LAST_MEMBER_INTVL]));
 }
 
 static void bridge_print_help(struct link_util *lu, int argc, char **argv,
-- 
2.4.3