netdev - [PATCH iproute2 20/21] iplink: bridge: add support for IFLA_BR_MCAST_STARTUP_QUERY

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Date:	Mon,  8 Feb 2016 12:55:26 +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 20/21] iplink: bridge: add support for IFLA_BR_MCAST_STARTUP_QUERY_INTVL

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

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

Signed-off-by: Nikolay Aleksandrov <nikolay@...ulusnetworks.com>
---
 ip/iplink_bridge.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/ip/iplink_bridge.c b/ip/iplink_bridge.c
index 063b87142882..b531cb131e7c 100644
--- a/ip/iplink_bridge.c
+++ b/ip/iplink_bridge.c
@@ -45,6 +45,7 @@ static void print_explain(FILE *f)
 		"                  [ mcast_querier_interval QUERIER_INTERVAL ]\n"
 		"                  [ mcast_query_interval QUERY_INTERVAL ]\n"
 		"                  [ mcast_query_response_interval QUERY_RESPONSE_INTERVAL ]\n"
+		"                  [ mcast_startup_query_interval STARTUP_QUERY_INTERVAL ]\n"
 		"\n"
 		"Where: VLAN_PROTOCOL := { 802.1Q | 802.1ad }\n"
 	);
@@ -279,6 +280,17 @@ static int bridge_parse_opt(struct link_util *lu, int argc, char **argv,
 			}
 			addattr64(n, 1024, IFLA_BR_MCAST_QUERY_RESPONSE_INTVL,
 				  mcast_query_resp_intvl);
+		} else if (!matches(*argv, "mcast_startup_query_interval")) {
+			__u64 mcast_startup_query_intvl;
+
+			NEXT_ARG();
+			if (get_u64(&mcast_startup_query_intvl, *argv, 0)) {
+				invarg("invalid mcast_startup_query_interval",
+				       *argv);
+				return -1;
+			}
+			addattr64(n, 1024, IFLA_BR_MCAST_STARTUP_QUERY_INTVL,
+				  mcast_startup_query_intvl);
 		} else if (matches(*argv, "help") == 0) {
 			explain();
 			return -1;
@@ -450,6 +462,10 @@ static void bridge_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
 	if (tb[IFLA_BR_MCAST_QUERY_RESPONSE_INTVL])
 		fprintf(f, "mcast_query_response_interval %llu ",
 			rta_getattr_u64(tb[IFLA_BR_MCAST_QUERY_RESPONSE_INTVL]));
+
+	if (tb[IFLA_BR_MCAST_STARTUP_QUERY_INTVL])
+		fprintf(f, "mcast_startup_query_interval %llu ",
+			rta_getattr_u64(tb[IFLA_BR_MCAST_STARTUP_QUERY_INTVL]));
 }
 
 static void bridge_print_help(struct link_util *lu, int argc, char **argv,
-- 
2.4.3