1 files changed, 34 insertions, 7 deletions

diff --git a/net/tipc/group.c b/net/tipc/group.c
index d7a7befeddd4..e82f13cb2dc5 100644
--- a/net/tipc/group.c
+++ b/net/tipc/group.c
@@ -159,11 +159,6 @@ u32 tipc_group_exclude(struct tipc_group *grp)
 	return 0;
 }
 
-int tipc_group_size(struct tipc_group *grp)
-{
-	return grp->member_cnt;
-}
-
 struct tipc_group *tipc_group_create(struct net *net, u32 portid,
 				     struct tipc_group_req *mreq,
 				     bool *group_is_open)
@@ -232,8 +227,8 @@ void tipc_group_delete(struct net *net, struct tipc_group *grp)
 	kfree(grp);
 }
 
-struct tipc_member *tipc_group_find_member(struct tipc_group *grp,
-					   u32 node, u32 port)
+static struct tipc_member *tipc_group_find_member(struct tipc_group *grp,
+						  u32 node, u32 port)
 {
 	struct rb_node *n = grp->members.rb_node;
 	u64 nkey, key = (u64)node << 32 | port;
@@ -918,3 +913,35 @@ void tipc_group_member_evt(struct tipc_group *grp,
 	}
 	*sk_rcvbuf = tipc_group_rcvbuf_limit(grp);
 }
+
+int tipc_group_fill_sock_diag(struct tipc_group *grp, struct sk_buff *skb)
+{
+	struct nlattr *group = nla_nest_start(skb, TIPC_NLA_SOCK_GROUP);
+
+	if (nla_put_u32(skb, TIPC_NLA_SOCK_GROUP_ID,
+			grp->type) ||
+	    nla_put_u32(skb, TIPC_NLA_SOCK_GROUP_INSTANCE,
+			grp->instance) ||
+	    nla_put_u32(skb, TIPC_NLA_SOCK_GROUP_BC_SEND_NEXT,
+			grp->bc_snd_nxt))
+		goto group_msg_cancel;
+
+	if (grp->scope == TIPC_NODE_SCOPE)
+		if (nla_put_flag(skb, TIPC_NLA_SOCK_GROUP_NODE_SCOPE))
+			goto group_msg_cancel;
+
+	if (grp->scope == TIPC_CLUSTER_SCOPE)
+		if (nla_put_flag(skb, TIPC_NLA_SOCK_GROUP_CLUSTER_SCOPE))
+			goto group_msg_cancel;
+
+	if (*grp->open)
+		if (nla_put_flag(skb, TIPC_NLA_SOCK_GROUP_OPEN))
+			goto group_msg_cancel;
+
+	nla_nest_end(skb, group);
+	return 0;
+
+group_msg_cancel:
+	nla_nest_cancel(skb, group);
+	return -1;
+}