L2CAP: Change from SOCK_STREAM to SOCK_SEQPACKET.

This is the same as what FreeBSD does.

src/add-ons/kernel/network/protocols/l2cap/l2cap.cpp

@@ -341,7 +341,7 @@ l2cap_std_ops(int32 op, ...)
 			new(&gL2capEndpointManager) L2capEndpointManager;
 
 			error = gStackModule->register_domain_protocols(AF_BLUETOOTH,
-				SOCK_STREAM, BLUETOOTH_PROTO_L2CAP,
+				SOCK_SEQPACKET, BLUETOOTH_PROTO_L2CAP,
 				NET_BLUETOOTH_L2CAP_NAME, NULL);
 			if (error != B_OK)
 				return error;

src/servers/bluetooth/BluetoothServer.cpp

@@ -459,7 +459,7 @@ BluetoothServer::SDPServerThread(void* data)
 
 	TRACE_BT("SDP: SDP server thread up...\n");
 
-	socketServer = socket(PF_BLUETOOTH, SOCK_STREAM, BLUETOOTH_PROTO_L2CAP);
+	socketServer = socket(PF_BLUETOOTH, SOCK_SEQPACKET, BLUETOOTH_PROTO_L2CAP);
 
 	if (socketServer < 0) {
 		TRACE_BT("SDP: Could not create server socket ...\n");

src/tests/kits/bluetooth/l2capClient/l2capClient.cpp

@@ -24,7 +24,7 @@ CreateL2capSocket(const bdaddr_t* bdaddr, struct sockaddr_l2cap& l2sa, uint16 ps
 	/* Create the socket. */
 	printf("Creating socket ...\n");
 
-	sock = socket(PF_BLUETOOTH, SOCK_STREAM, BLUETOOTH_PROTO_L2CAP);
+	sock = socket(PF_BLUETOOTH, SOCK_SEQPACKET, BLUETOOTH_PROTO_L2CAP);
 	if (sock < 0) {
 		perror ("socket");
 		exit (EXIT_FAILURE);