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-rw-r--r--include/uapi/linux/tipc.h1
-rw-r--r--net/tipc/socket.c3
2 files changed, 4 insertions, 0 deletions
diff --git a/include/uapi/linux/tipc.h b/include/uapi/linux/tipc.h
index 6b2fd4d9655f..7df026ea6aff 100644
--- a/include/uapi/linux/tipc.h
+++ b/include/uapi/linux/tipc.h
@@ -190,6 +190,7 @@ struct sockaddr_tipc {
#define TIPC_MCAST_REPLICAST 134 /* Default: TIPC selects. No arg */
#define TIPC_GROUP_JOIN 135 /* Takes struct tipc_group_req* */
#define TIPC_GROUP_LEAVE 136 /* No argument */
+#define TIPC_SOCK_RECVQ_USED 137 /* Default: none (read only) */
/*
* Flag values
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index 8ac8ddf1e324..1385207a301f 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -3070,6 +3070,9 @@ static int tipc_getsockopt(struct socket *sock, int lvl, int opt,
case TIPC_SOCK_RECVQ_DEPTH:
value = skb_queue_len(&sk->sk_receive_queue);
break;
+ case TIPC_SOCK_RECVQ_USED:
+ value = sk_rmem_alloc_get(sk);
+ break;
case TIPC_GROUP_JOIN:
seq.type = 0;
if (tsk->group)