From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=blackwall-org.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=x2ddN55QW8ss1GIleq39Orvx1idPr5wWLIOP8DxelRQ=; b=eZMyxB9VVve1mnWXRYqd3nY69gpXjy2E4D72oDNfv8iUmcTuWFAwnDHOUOxTeVDKw9 pNdBWGf8RHzGX8a34oYo1tGXx9NPI2ZdVe5vCsYDQLHndYR0c1JM/J6vRp6ooKpl1V/z 9nWfJLiduWS6jI2KgyQhDxI9J5N4ytt/GmDBLiZqwD+W4T8X9ddOmhn4QJZdcupFuwjF saQah3SPa5+AQZWKeyadXKYpz0x8SjtrhTm955Cc4bYvQabDjXQR+Fu8/0tg8GUjT5K0 LNKj8BNpNHQ6gSgTqhQT9AQGqeQeaReihYiVbVCIgdQddaf8UnKcIK73BS6rIDYow02K OVCw== From: Nikolay Aleksandrov Date: Tue, 10 Aug 2021 18:29:20 +0300 Message-Id: <20210810152933.178325-3-razor@blackwall.org> In-Reply-To: <20210810152933.178325-1-razor@blackwall.org> References: <20210810152933.178325-1-razor@blackwall.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [Bridge] [PATCH net-next 02/15] net: bridge: vlan: add support for mcast last member count global option List-Id: Linux Ethernet Bridging List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: netdev@vger.kernel.org Cc: bridge@lists.linux-foundation.org, Nikolay Aleksandrov , roopa@nvidia.com From: Nikolay Aleksandrov Add support to change and retrieve global vlan multicast last member count option. Signed-off-by: Nikolay Aleksandrov --- include/uapi/linux/if_bridge.h | 1 + net/bridge/br_private.h | 2 ++ net/bridge/br_vlan_options.c | 13 ++++++++++++- 3 files changed, 15 insertions(+), 1 deletion(-) diff --git a/include/uapi/linux/if_bridge.h b/include/uapi/linux/if_bridge.h index 07acfcc0466c..68099c6bc186 100644 --- a/include/uapi/linux/if_bridge.h +++ b/include/uapi/linux/if_bridge.h @@ -551,6 +551,7 @@ enum { BRIDGE_VLANDB_GOPTS_MCAST_SNOOPING, BRIDGE_VLANDB_GOPTS_MCAST_IGMP_VERSION, BRIDGE_VLANDB_GOPTS_MCAST_MLD_VERSION, + BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_CNT, __BRIDGE_VLANDB_GOPTS_MAX }; #define BRIDGE_VLANDB_GOPTS_MAX (__BRIDGE_VLANDB_GOPTS_MAX - 1) diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h index 1cc00d2f9156..ca88609c51b7 100644 --- a/net/bridge/br_private.h +++ b/net/bridge/br_private.h @@ -1187,6 +1187,8 @@ br_multicast_ctx_options_equal(const struct net_bridge_mcast *brmctx1, { return brmctx1->multicast_igmp_version == brmctx2->multicast_igmp_version && + brmctx1->multicast_last_member_count == + brmctx2->multicast_last_member_count && #if IS_ENABLED(CONFIG_IPV6) brmctx1->multicast_mld_version == brmctx2->multicast_mld_version && diff --git a/net/bridge/br_vlan_options.c b/net/bridge/br_vlan_options.c index ac32fb40b7ba..75733b5bc6f4 100644 --- a/net/bridge/br_vlan_options.c +++ b/net/bridge/br_vlan_options.c @@ -289,7 +289,9 @@ bool br_vlan_global_opts_fill(struct sk_buff *skb, u16 vid, u16 vid_range, if (nla_put_u8(skb, BRIDGE_VLANDB_GOPTS_MCAST_SNOOPING, !!(v_opts->priv_flags & BR_VLFLAG_GLOBAL_MCAST_ENABLED)) || nla_put_u8(skb, BRIDGE_VLANDB_GOPTS_MCAST_IGMP_VERSION, - v_opts->br_mcast_ctx.multicast_igmp_version)) + v_opts->br_mcast_ctx.multicast_igmp_version) || + nla_put_u32(skb, BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_CNT, + v_opts->br_mcast_ctx.multicast_last_member_count)) goto out_err; #if IS_ENABLED(CONFIG_IPV6) @@ -317,6 +319,7 @@ static size_t rtnl_vlan_global_opts_nlmsg_size(void) + nla_total_size(sizeof(u8)) /* BRIDGE_VLANDB_GOPTS_MCAST_SNOOPING */ + nla_total_size(sizeof(u8)) /* BRIDGE_VLANDB_GOPTS_MCAST_IGMP_VERSION */ + nla_total_size(sizeof(u8)) /* BRIDGE_VLANDB_GOPTS_MCAST_MLD_VERSION */ + + nla_total_size(sizeof(u32)) /* BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_CNT */ #endif + nla_total_size(sizeof(u16)); /* BRIDGE_VLANDB_GOPTS_RANGE */ } @@ -391,6 +394,13 @@ static int br_vlan_process_global_one_opts(const struct net_bridge *br, return err; *changed = true; } + if (tb[BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_CNT]) { + u32 cnt; + + cnt = nla_get_u32(tb[BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_CNT]); + v->br_mcast_ctx.multicast_last_member_count = cnt; + *changed = true; + } #if IS_ENABLED(CONFIG_IPV6) if (tb[BRIDGE_VLANDB_GOPTS_MCAST_MLD_VERSION]) { u8 ver; @@ -413,6 +423,7 @@ static const struct nla_policy br_vlan_db_gpol[BRIDGE_VLANDB_GOPTS_MAX + 1] = { [BRIDGE_VLANDB_GOPTS_MCAST_SNOOPING] = { .type = NLA_U8 }, [BRIDGE_VLANDB_GOPTS_MCAST_MLD_VERSION] = { .type = NLA_U8 }, [BRIDGE_VLANDB_GOPTS_MCAST_IGMP_VERSION] = { .type = NLA_U8 }, + [BRIDGE_VLANDB_GOPTS_MCAST_LAST_MEMBER_CNT] = { .type = NLA_U32 }, }; int br_vlan_rtm_process_global_options(struct net_device *dev, -- 2.31.1