tipc: extend sock diag for group communication

[linux-2.6-microblaze.git] / net / tipc / group.c

diff --git a/net/tipc/group.c b/net/tipc/group.c
index d7a7bef..cbe39e8 100644 (file)
--- a/net/tipc/group.c
+++ b/net/tipc/group.c
@@ -918,3 +918,35 @@ 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;
+}