From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nikolay Aleksandrov Subject: [PATCH iproute2 v2 12/21] iplink: bridge: add support for IFLA_BR_MCAST_HASH_MAX Date: Tue, 9 Feb 2016 00:14:30 +0100 Message-ID: <1454973279-9170-13-git-send-email-razor@blackwall.org> References: <1454973279-9170-1-git-send-email-razor@blackwall.org> Cc: roopa@cumulusnetworks.com, stephen@networkplumber.org, Nikolay Aleksandrov To: netdev@vger.kernel.org Return-path: Received: from mail-wm0-f52.google.com ([74.125.82.52]:37409 "EHLO mail-wm0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932551AbcBHXOy (ORCPT ); Mon, 8 Feb 2016 18:14:54 -0500 Received: by mail-wm0-f52.google.com with SMTP id g62so860479wme.0 for ; Mon, 08 Feb 2016 15:14:54 -0800 (PST) In-Reply-To: <1454973279-9170-1-git-send-email-razor@blackwall.org> Sender: netdev-owner@vger.kernel.org List-ID: From: Nikolay Aleksandrov 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: Nikolay Aleksandrov --- ip/iplink_bridge.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/ip/iplink_bridge.c b/ip/iplink_bridge.c index 93dcc982c623..f912c318c24a 100644 --- a/ip/iplink_bridge.c +++ b/ip/iplink_bridge.c @@ -38,6 +38,7 @@ static void print_explain(FILE *f) " [ mcast_query_use_ifaddr MCAST_QUERY_USE_IFADDR ]\n" " [ mcast_querier MULTICAST_QUERIER ]\n" " [ mcast_hash_elasticity HASH_ELASTICITY ]\n" + " [ mcast_hash_max HASH_MAX ]\n" "\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, addattr32(n, 1024, IFLA_BR_MCAST_HASH_ELASTICITY, 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) { explain(); return -1; @@ -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]) fprintf(f, "mcast_hash_elasticity %u ", 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, -- 2.4.3