From 92c0ef7071b3895ea89f26b7b7b6a77141e43578 Mon Sep 17 00:00:00 2001 From: Nikolay Aleksandrov Date: Tue, 9 Feb 2016 00:14:29 +0100 Subject: [PATCH] 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 --- ip/iplink_bridge.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/ip/iplink_bridge.c b/ip/iplink_bridge.c index fbea0a38f..93dcc982c 100644 --- a/ip/iplink_bridge.c +++ b/ip/iplink_bridge.c @@ -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, -- 2.47.2