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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: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
This commit is contained in:
Nikolay Aleksandrov 2016-02-09 00:14:29 +01:00 committed by Stephen Hemminger
parent 0778b74122
commit 92c0ef7071
1 changed files with 15 additions and 0 deletions
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15
ip/iplink_bridge.c
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@ -37,6 +37,7 @@ static void print_explain(FILE *f)
" [ mcast_router MULTICAST_ROUTER ]\n" " [ mcast_router MULTICAST_ROUTER ]\n"
" [ 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"
"\n" "\n"
"Where: VLAN_PROTOCOL := { 802.1Q | 802.1ad }\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); invarg("invalid mcast_querier", *argv);
addattr8(n, 1024, IFLA_BR_MCAST_QUERIER, mcast_querier); 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) { } else if (matches(*argv, "help") == 0) {
explain(); explain();
return -1; 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]) if (tb[IFLA_BR_MCAST_QUERIER])
fprintf(f, "mcast_querier %u ", fprintf(f, "mcast_querier %u ",
rta_getattr_u8(tb[IFLA_BR_MCAST_QUERIER])); 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, static void bridge_print_help(struct link_util *lu, int argc, char **argv,