Initial source

1 files changed, 95 insertions, 0 deletions

diff --git a/ipc/fipc.h b/ipc/fipc.h
new file mode 100644
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+++ b/ipc/fipc.h
@@ -0,0 +1,95 @@
+/*
+ * Copyright (c) 1996-1994 The University of Utah and
+ * the Computer Systems Laboratory (CSL).  All rights reserved.
+ *
+ * Permission to use, copy, modify and distribute this software is hereby
+ * granted provided that (1) source code retains these copyright, permission,
+ * and disclaimer notices, and (2) redistributions including binaries
+ * reproduce the notices in supporting documentation, and (3) all advertising
+ * materials mentioning features or use of this software display the following
+ * acknowledgement: ``This product includes software developed by the
+ * Computer Systems Laboratory at the University of Utah.''
+ *
+ * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
+ * IS" CONDITION.  THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF
+ * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ *
+ * CSL requests users of this software to return to csl-dist@cs.utah.edu any
+ * improvements that they make and grant CSL redistribution rights.
+ *
+ *  Utah $Hdr: fipc.h 1.1 96/2/29$
+ *  Author: Linus Kamb
+ */
+
+#include <kern/lock.h>
+#include <device/if_ether.h>
+
+
+#define N_MAX_OPEN_FIPC_PORTS	32	/* In practice, 
+                                     * this should be much larger */
+#define MAX_FIPC_PORT_NUM		4095	/* ditto */
+
+#define FIPC_MSG_TYPE			0x1234
+
+#define FIPC_BUFFER_SIZE		ETHERMTU
+#define FIPC_MSG_SIZE			(FIPC_BUFFER_SIZE - sizeof(fipc_header_t))
+
+#define FIPC_RECV_Q_SIZE		4
+#define N_MIN_RECV_BUFS			5	/* 2 pages worth */
+#define N_MAX_RECV_BUFS			(N_MAX_OPEN_FIPC_PORTS * FIPC_RECV_Q_SIZE)
+#define N_MIN_SEND_BUFS			2
+#define N_MAX_SEND_BUFS			5
+
+#define INVALID					-1
+
+#define ETHER_HWADDR_SIZE		6
+#define ETHER_DEVICE_NAME		"ne0"
+
+typedef struct fipc_endpoint_structure
+{
+	unsigned char hwaddr[ETHER_HWADDR_SIZE];
+	unsigned short port;
+} fipc_endpoint_t;
+
+typedef struct fipc_buffer_structure
+{
+	char *buffer;
+	unsigned short size;
+	fipc_endpoint_t sender;
+} fipc_buffer_q_ent;
+
+typedef struct fipc_port_structure
+{
+	simple_lock_data_t lock;
+	boolean_t bound;
+	int valid_msg;
+	fipc_buffer_q_ent recv_q[FIPC_RECV_Q_SIZE];
+	int rq_head, rq_tail;
+} fipc_port_t;
+
+typedef struct fipc_header_structure
+{
+	unsigned short dest_port;
+	unsigned short send_port;
+	unsigned int msg_size;
+} fipc_header_t;
+
+typedef struct fipc_lookup_table_ent_structure
+{
+	int fipc_port;
+	int fpt_num;	/* f_ports[] entry number */
+} fipc_lookup_table_ent;
+
+typedef struct fipc_stat_structure
+{
+	int dropped_msgs;
+} fipc_stat_t;
+
+#define min(a,b)	(((a)<=(b)?(a):(b)))
+
+char* get_fipc_buffer(int, boolean_t, boolean_t);
+void fipc_packet(char*, struct ether_header);
+
+extern int fipc_sends;
+extern int fipc_recvs;
+