netdev - [PATCHv2 iproute2 net-next 1/5] iplink: bridge: add support for IFLA_BR_FDB

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Date:   Wed, 18 Jan 2017 14:12:47 +0800
From:   Hangbin Liu <liuhangbin@...il.com>
To:     netdev@...r.kernel.org
Cc:     Nikolay Aleksandrov <nikolay@...ulusnetworks.com>,
        Hangbin Liu <liuhangbin@...il.com>
Subject: [PATCHv2 iproute2 net-next 1/5] iplink: bridge: add support for IFLA_BR_FDB_FLUSH

This patch implements support for the IFLA_BR_FDB_FLUSH attribute
in iproute2 so it can flush bridge fdb dynamic entries.

Reviewed-by: Nikolay Aleksandrov <nikolay@...ulusnetworks.com>
Signed-off-by: Hangbin Liu <liuhangbin@...il.com>
---
 ip/iplink_bridge.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/ip/iplink_bridge.c b/ip/iplink_bridge.c
index d2d4202..85e6597 100644
--- a/ip/iplink_bridge.c
+++ b/ip/iplink_bridge.c
@@ -22,7 +22,8 @@
 static void print_explain(FILE *f)
 {
 	fprintf(f,
-		"Usage: ... bridge [ forward_delay FORWARD_DELAY ]\n"
+		"Usage: ... bridge [ fdb_flush ]\n"
+		"                  [ forward_delay FORWARD_DELAY ]\n"
 		"                  [ hello_time HELLO_TIME ]\n"
 		"                  [ max_age MAX_AGE ]\n"
 		"                  [ ageing_time AGEING_TIME ]\n"
@@ -145,6 +146,8 @@ static int bridge_parse_opt(struct link_util *lu, int argc, char **argv,
 			if (len < 0)
 				return -1;
 			addattr_l(n, 1024, IFLA_BR_GROUP_ADDR, llabuf, len);
+		} else if (matches(*argv, "fdb_flush") == 0) {
+			addattr(n, 1024, IFLA_BR_FDB_FLUSH);
 		} else if (matches(*argv, "vlan_default_pvid") == 0) {
 			__u16 default_pvid;
 
-- 
2.5.5