Commit 8b9eb7cd authored by Nikolay Aleksandrov's avatar Nikolay Aleksandrov Committed by Stephen Hemminger

iplink: bridge: add support for IFLA_BR_MCAST_HASH_MAX

This patch implements support for the IFLA_BR_MCAST_HASH_MAX attribute
in iproute2 so it can change the maximum hashed entries.
Signed-off-by: default avatarNikolay Aleksandrov <nikolay@cumulusnetworks.com>
parent 92c0ef70
...@@ -38,6 +38,7 @@ static void print_explain(FILE *f) ...@@ -38,6 +38,7 @@ static void print_explain(FILE *f)
" [ mcast_query_use_ifaddr MCAST_QUERY_USE_IFADDR ]\n" " [ mcast_query_use_ifaddr MCAST_QUERY_USE_IFADDR ]\n"
" [ mcast_querier MULTICAST_QUERIER ]\n" " [ mcast_querier MULTICAST_QUERIER ]\n"
" [ mcast_hash_elasticity HASH_ELASTICITY ]\n" " [ mcast_hash_elasticity HASH_ELASTICITY ]\n"
" [ mcast_hash_max HASH_MAX ]\n"
"\n" "\n"
"Where: VLAN_PROTOCOL := { 802.1Q | 802.1ad }\n" "Where: VLAN_PROTOCOL := { 802.1Q | 802.1ad }\n"
); );
...@@ -189,6 +190,15 @@ static int bridge_parse_opt(struct link_util *lu, int argc, char **argv, ...@@ -189,6 +190,15 @@ static int bridge_parse_opt(struct link_util *lu, int argc, char **argv,
addattr32(n, 1024, IFLA_BR_MCAST_HASH_ELASTICITY, addattr32(n, 1024, IFLA_BR_MCAST_HASH_ELASTICITY,
mcast_hash_el); mcast_hash_el);
} else if (matches(*argv, "mcast_hash_max") == 0) {
__u32 mcast_hash_max;
NEXT_ARG();
if (get_u32(&mcast_hash_max, *argv, 0))
invarg("invalid mcast_hash_max", *argv);
addattr32(n, 1024, IFLA_BR_MCAST_HASH_MAX,
mcast_hash_max);
} else if (matches(*argv, "help") == 0) { } else if (matches(*argv, "help") == 0) {
explain(); explain();
return -1; return -1;
...@@ -346,6 +356,10 @@ static void bridge_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[]) ...@@ -346,6 +356,10 @@ static void bridge_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
if (tb[IFLA_BR_MCAST_HASH_ELASTICITY]) if (tb[IFLA_BR_MCAST_HASH_ELASTICITY])
fprintf(f, "mcast_hash_elasticity %u ", fprintf(f, "mcast_hash_elasticity %u ",
rta_getattr_u32(tb[IFLA_BR_MCAST_HASH_ELASTICITY])); rta_getattr_u32(tb[IFLA_BR_MCAST_HASH_ELASTICITY]));
if (tb[IFLA_BR_MCAST_HASH_MAX])
fprintf(f, "mcast_hash_max %u ",
rta_getattr_u32(tb[IFLA_BR_MCAST_HASH_MAX]));
} }
static void bridge_print_help(struct link_util *lu, int argc, char **argv, static void bridge_print_help(struct link_util *lu, int argc, char **argv,
......
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