[PATCH iproute2 15/21] iplink: bridge: add support for IFLA_BR_MCAST_LAST_MEMBER_INTVL

[Nikolay Aleksandrov]

From: Nikolay Aleksandrov <niko...@cumulusnetworks.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 <niko...@cumulusnetworks.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