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Commit 6650613d authored by oscar.medina@motorola.com's avatar oscar.medina@motorola.com Committed by David S. Miller
Browse files

tipc: Add socket options to get number of queued messages 



This patch allows a TIPC application to determine the number of messages
currently waiting in a socket's receive queue (TIPC_SOCK_RECVQ_DEPTH) or
in all TIPC socket receive queues (TIPC_NODE_RECVQ_DEPTH).

Signed-off-by: default avatarOscar Medina <oscar.medina@motorola.com>
Signed-off-by: default avatarAllan Stephens <allan.stephens@windriver.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent af794c74

include/linux/tipc.h

+2 −0
Original line number Diff line number Diff line
@@ -209,5 +209,7 @@ struct sockaddr_tipc { 
#define TIPC_SRC_DROPPABLE	128	/* Default: 0 (resend congested msg) */

#define TIPC_DEST_DROPPABLE	129	/* Default: based on socket type */

#define TIPC_CONN_TIMEOUT	130	/* Default: 8000 (ms)  */

#define TIPC_NODE_RECVQ_DEPTH	131	/* Default: none (read only) */

#define TIPC_SOCK_RECVQ_DEPTH	132	/* Default: none (read only) */



#endif

net/tipc/socket.c

+6 −0
Original line number Diff line number Diff line
@@ -1748,6 +1748,12 @@ static int getsockopt(struct socket *sock, 
		value = jiffies_to_msecs(sk->sk_rcvtimeo);

		/* no need to set "res", since already 0 at this point */

		break;

	 case TIPC_NODE_RECVQ_DEPTH:

		value = (u32)atomic_read(&tipc_queue_size);

		break;

	 case TIPC_SOCK_RECVQ_DEPTH:

		value = skb_queue_len(&sk->sk_receive_queue);

		break;

	default:

		res = -EINVAL;

	}