netdev - [PATCH iproute2 v2 13/21] iplink: bridge: add support for IFLA_BR_MCAST_LAST_MEMBER

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1454973279-9170-14-git-send-email-razor@blackwall.org>
Date:	Tue,  9 Feb 2016 00:14:31 +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 v2 13/21] iplink: bridge: add support for IFLA_BR_MCAST_LAST_MEMBER_CNT

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

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@...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 f912c318c24a..be83a5690d39 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,
-- 
2.4.3