Commit 92c0ef70 authored by Nikolay Aleksandrov's avatar Nikolay Aleksandrov Committed by Stephen Hemminger

iplink: bridge: add support for IFLA_BR_MCAST_HASH_ELASTICITY

This patch implements support for the IFLA_BR_MCAST_HASH_ELASTICTITY
attribute in iproute2 so it can change the hash elasticity value.
Signed-off-by: default avatarNikolay Aleksandrov <nikolay@cumulusnetworks.com>
parent 0778b741
......@@ -37,6 +37,7 @@ static void print_explain(FILE *f)
" [ mcast_router MULTICAST_ROUTER ]\n"
" [ mcast_query_use_ifaddr MCAST_QUERY_USE_IFADDR ]\n"
" [ mcast_querier MULTICAST_QUERIER ]\n"
" [ mcast_hash_elasticity HASH_ELASTICITY ]\n"
"\n"
"Where: VLAN_PROTOCOL := { 802.1Q | 802.1ad }\n"
);
......@@ -178,6 +179,16 @@ static int bridge_parse_opt(struct link_util *lu, int argc, char **argv,
invarg("invalid mcast_querier", *argv);
addattr8(n, 1024, IFLA_BR_MCAST_QUERIER, mcast_querier);
} else if (matches(*argv, "mcast_hash_elasticity") == 0) {
__u32 mcast_hash_el;
NEXT_ARG();
if (get_u32(&mcast_hash_el, *argv, 0))
invarg("invalid mcast_hash_elasticity",
*argv);
addattr32(n, 1024, IFLA_BR_MCAST_HASH_ELASTICITY,
mcast_hash_el);
} else if (matches(*argv, "help") == 0) {
explain();
return -1;
......@@ -331,6 +342,10 @@ static void bridge_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
if (tb[IFLA_BR_MCAST_QUERIER])
fprintf(f, "mcast_querier %u ",
rta_getattr_u8(tb[IFLA_BR_MCAST_QUERIER]));
if (tb[IFLA_BR_MCAST_HASH_ELASTICITY])
fprintf(f, "mcast_hash_elasticity %u ",
rta_getattr_u32(tb[IFLA_BR_MCAST_HASH_ELASTICITY]));
}
static void bridge_print_help(struct link_util *lu, int argc, char **argv,
......
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