Commit 931ba87d authored by Nikolay Aleksandrov's avatar Nikolay Aleksandrov Committed by David S. Miller
Browse files

net: bridge: vlan: add support for mcast last member count global option 



Add support to change and retrieve global vlan multicast last member
count option.

Signed-off-by: default avatarNikolay Aleksandrov <nikolay@nvidia.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent df271cd6

include/uapi/linux/if_bridge.h

+1 −0
Original line number Diff line number Diff line
@@ -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)

net/bridge/br_private.h

+2 −0
Original line number Diff line number Diff line
@@ -1174,6 +1174,8 @@ 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 &&

net/bridge/br_vlan_options.c

+12 −1
Original line number Diff line number Diff line
@@ -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,