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iplink: bridge: add support for IFLA_BR_MCAST_LAST_MEMBER_CNT 

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@cumulusnetworks.com>
This commit is contained in:
Nikolay Aleksandrov 2016-02-09 00:14:31 +01:00 committed by Stephen Hemminger
parent 8b9eb7cd25
commit fb44cadb92
1 changed files with 15 additions and 0 deletions
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15
ip/iplink_bridge.c
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@ -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,