X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/5d19d3c0ac649a19d1693db14d0d16526c23e052..a4a13734bb167ab42f86da26c3aa1cb4da9954fd:/rx.h?ds=sidebyside

diff --git a/rx.h b/rx.h
index ef5a8627..b79dd30c 100644
--- a/rx.h
+++ b/rx.h
@@ -1,7 +1,29 @@
+/*
+ * Copyright: (c) 2000 United States Government as represented by the
+ *	Secretary of the Navy. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *   1. Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *   2. Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer in
+ *      the documentation and/or other materials provided with the
+ *      distribution.
+ *   3. The names of the authors may not be used to endorse or promote
+ *      products derived from this software without specific prior
+ *      written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
 /*
  * Rx protocol format
  *
- * $Id: rx.h,v 1.1 1999-11-17 05:45:58 assar Exp $
+ * $Id: rx.h,v 1.8 2002-12-11 07:14:11 guy Exp $
  */
 
 #define FS_RX_PORT	7000
@@ -40,7 +62,7 @@ struct rx_header {
 	u_int32_t callNumber;
 	u_int32_t seq;
 	u_int32_t serial;
-	u_char type;
+	u_int8_t type;
 #define RX_PACKET_TYPE_DATA		1
 #define RX_PACKET_TYPE_ACK		2
 #define RX_PACKET_TYPE_BUSY		3
@@ -51,18 +73,41 @@ struct rx_header {
 #define RX_PACKET_TYPE_DEBUG		8
 #define RX_PACKET_TYPE_PARAMS		9
 #define RX_PACKET_TYPE_VERSION		13
-	u_char flags;
+	u_int8_t flags;
 #define RX_CLIENT_INITIATED	1
 #define RX_REQUEST_ACK		2
 #define RX_LAST_PACKET		4
 #define RX_MORE_PACKETS		8
 #define RX_FREE_PACKET		16
-	u_char userStatus;
-	u_char securityIndex;
-	u_short spare;			/* How clever: even though the AFS */
-	u_short serviceId;		/* header files indicate that the */
+#define RX_SLOW_START_OK	32
+#define RX_JUMBO_PACKET		32
+	u_int8_t userStatus;
+	u_int8_t securityIndex;
+	u_int16_t spare;		/* How clever: even though the AFS */
+	u_int16_t serviceId;		/* header files indicate that the */
 };					/* serviceId is first, it's really */
 					/* encoded _after_ the spare field */
 					/* I wasted a day figuring that out! */
 
-#define NUM_RX_FLAGS 5
+#define NUM_RX_FLAGS 7
+
+#define RX_MAXACKS 255
+
+struct rx_ackPacket {
+	u_int16_t bufferSpace;		/* Number of packet buffers available */
+	u_int16_t maxSkew;		/* Max diff between ack'd packet and */
+					/* highest packet received */
+	u_int32_t firstPacket;		/* The first packet in ack list */
+	u_int32_t previousPacket;	/* Previous packet recv'd (obsolete) */
+	u_int32_t serial;		/* # of packet that prompted the ack */
+	u_int8_t reason;		/* Reason for acknowledgement */
+	u_int8_t nAcks;			/* Number of acknowledgements */
+	u_int8_t acks[RX_MAXACKS];	/* Up to RX_MAXACKS acknowledgements */
+};
+
+/*
+ * Values for the acks array
+ */
+
+#define RX_ACK_TYPE_NACK	0	/* Don't have this packet */
+#define RX_ACK_TYPE_ACK		1	/* I have this packet */