From Joerg Mayer:

	Declares some variables static.

	Creates a new include file packet-rsvp.h, and make use of it
	(change some extern decls to #inlcude).

	Move the file packet-pgm.h into packet-pgm.c as it is not used
	by anything outside packet-pgm.c.

svn path=/trunk/; revision=5162

1 files changed, 221 insertions, 2 deletions

diff --git a/packet-pgm.c b/packet-pgm.c
index 27280a156d..dc5eb5c3f2 100644
--- a/packet-pgm.c
+++ b/packet-pgm.c
@@ -1,7 +1,7 @@
 /* packet-pgm.c
  * Routines for pgm packet disassembly
  *
- * $Id: packet-pgm.c,v 1.14 2002/01/21 07:36:38 guy Exp $
+ * $Id: packet-pgm.c,v 1.15 2002/04/14 23:04:03 guy Exp $
  * 
  * Copyright (c) 2000 by Talarian Corp
  *
@@ -46,7 +46,6 @@
 #include <time.h>
 #include <string.h>
 #include <epan/packet.h>
-#include "packet-pgm.h"
 #include "afn.h"
 #include "ipproto.h"
 #include <epan/resolv.h>
@@ -59,6 +58,226 @@
 void proto_reg_handoff_pgm(void);
 static void proto_rereg_pgm(void);
 
+typedef guint8 nchar_t;
+typedef guint16 nshort_t;
+typedef guint32 nlong_t;
+
+/* The PGM main header */
+typedef struct {
+	nshort_t sport;            /* source port */
+	nshort_t dport;            /* destination port */
+	nchar_t type;              /* PGM type */
+	nchar_t opts;              /* options */
+	nshort_t cksum;            /* checksum */
+	nchar_t gsi[6];            /* Global Source ID */
+	nshort_t tsdulen;          /* TSDU length */
+} pgm_type;
+#define pgmhdr_ntoh(_p) \
+	(_p)->sport = ntohs((_p)->sport); \
+	(_p)->dport = ntohs((_p)->dport); \
+	(_p)->type = ntohs((_p)->type); \
+	(_p)->opts = ntohs((_p)->opts); \
+	(_p)->cksum = ntohs((_p)->cksum); \
+	(_p)->tsdulen = ntohs((_p)->tsdulen)
+
+/* The PGM SPM header */
+typedef struct {
+	nlong_t sqn;              /* SPM's sequence number */
+	nlong_t trail;            /* Trailing edge sequence number */
+	nlong_t lead;             /* Leading edge sequence number */
+	nshort_t path_afi;        /* NLA AFI */
+	nshort_t res;             /* reserved */
+	nlong_t path;             /* Path NLA */
+} pgm_spm_t;
+static const size_t PGM_SPM_SZ = sizeof(pgm_type)+sizeof(pgm_spm_t);
+#define spm_ntoh(_p) \
+	(_p)->sqn = ntohl((_p)->sqn); \
+	(_p)->trail = ntohl((_p)->trail); \
+	(_p)->lead = ntohl((_p)->lead); \
+	(_p)->path_afi = ntohs((_p)->path_afi); \
+	(_p)->res = ntohs((_p)->res);
+
+/* The PGM Data (ODATA/RDATA) header */
+typedef struct {
+	nlong_t sqn;              /* Data Packet sequence number */
+	nlong_t trail;            /* Trailing edge sequence number */
+} pgm_data_t;
+#define data_ntoh(_p) \
+	(_p)->sqn = ntohl((_p)->sqn); \
+	(_p)->trail = ntohl((_p)->trail)
+static const size_t PGM_DATA_HDR_SZ = sizeof(pgm_type)+sizeof(pgm_data_t);
+
+/* The PGM NAK (NAK/N-NAK/NCF) header */
+typedef struct {
+	nlong_t sqn;             /* Requested sequence number */
+	nshort_t src_afi;        /* NLA AFI for source (IPv4 is set to 1) */
+	nshort_t src_res;        /* reserved */
+	nlong_t src;             /* Source NLA  */
+	nshort_t grp_afi;        /* Multicast group AFI (IPv4 is set to 1) */
+	nshort_t grp_res;        /* reserved */
+	nlong_t grp;             /* Multicast group NLA */
+} pgm_nak_t;
+static const size_t PGM_NAK_SZ = sizeof(pgm_type)+sizeof(pgm_nak_t);
+#define nak_ntoh(_p) \
+	(_p)->sqn = ntohl((_p)->sqn); \
+	(_p)->src_afi = ntohs((_p)->src_afi); \
+	(_p)->src_res = ntohs((_p)->src_res); \
+	(_p)->grp_afi = ntohs((_p)->grp_afi); \
+	(_p)->grp_res = ntohs((_p)->grp_res)
+
+/* The PGM ACK header (PGMCC) */
+typedef struct {
+	nlong_t rx_max_sqn;      /* RX_MAX sequence number */
+	nlong_t bitmap;          /* Received Packet Bitmap */
+} pgm_ack_t;
+static const size_t PGM_ACK_SZ = sizeof(pgm_type)+sizeof(pgm_ack_t);
+#define ack_ntoh(_p) \
+	(_p)->rx_max_sqn = ntohl((_p)->rx_max_sqn); \
+	(_p)->bitmap = ntohl((_p)->bitmap)
+
+/* constants for hdr types */
+#if defined(PGM_SPEC_01_PCKTS)
+/* old spec-01 types */
+#define PGM_SPM_PCKT  0x00
+#define PGM_ODATA_PCKT  0x10
+#define PGM_RDATA_PCKT  0x11
+#define PGM_NAK_PCKT  0x20
+#define PGM_NNAK_PCKT  0x21
+#define PGM_NCF_PCKT 0x30
+#else
+/* spec-02 types (as well as spec-04+) */
+#define PGM_SPM_PCKT  0x00
+#define PGM_ODATA_PCKT  0x04
+#define PGM_RDATA_PCKT  0x05
+#define PGM_NAK_PCKT  0x08
+#define PGM_NNAK_PCKT  0x09
+#define PGM_NCF_PCKT 0x0A
+#define PGM_ACK_PCKT 0x0D
+#endif /* PGM_SPEC_01_PCKTS */
+
+/* port swapping on NAK and NNAKs or not (default is to swap) */
+/* PGM_NO_PORT_SWAP */
+
+/* option flags (main PGM header) */
+#define PGM_OPT 0x01
+#define PGM_OPT_NETSIG 0x02
+#define PGM_OPT_VAR_PKTLEN 0x40
+#define PGM_OPT_PARITY 0x80
+
+/* option types */
+#define PGM_OPT_LENGTH 0x00
+#define PGM_OPT_END 0x80
+#define PGM_OPT_FRAGMENT 0x01
+#define PGM_OPT_NAK_LIST 0x02
+#define PGM_OPT_JOIN 0x03
+#define PGM_OPT_REDIRECT 0x07
+#define PGM_OPT_SYN 0x0D
+#define PGM_OPT_FIN 0x0E
+#define PGM_OPT_RST 0x0F
+#define PGM_OPT_PARITY_PRM 0x08
+#define PGM_OPT_PARITY_GRP 0x09
+#define PGM_OPT_CURR_TGSIZE 0x0A
+#define PGM_OPT_PGMCC_DATA  0x12
+#define PGM_OPT_PGMCC_FEEDBACK  0x13
+
+static const nchar_t PGM_OPT_INVALID = 0x7F;
+
+/* OPX bit values */
+#define PGM_OPX_IGNORE	0x00
+#define PGM_OPX_INVAL	0x01
+#define PGM_OPX_DISCARD	0x10
+
+/* option formats */
+typedef struct {
+	nchar_t type;
+	nchar_t len;
+	nchar_t opx;
+	nchar_t res;
+} pgm_opt_generic_t;
+
+typedef struct {
+	nchar_t type;
+	nchar_t len;
+	nshort_t total_len;
+} pgm_opt_length_t;
+
+typedef struct {
+	nchar_t type;
+	nchar_t len;
+	nchar_t opx;
+	nchar_t res;
+} pgm_opt_nak_list_t;
+
+/* 
+ * To squeeze the whole option into 255 bytes, we
+ * can only have 62 in the list
+ */
+#define PGM_MAX_NAK_LIST_SZ (62)
+
+typedef struct {
+	nchar_t type;
+	nchar_t len;
+	nchar_t opx;
+	nchar_t res;
+	nlong_t opt_join_min;
+} pgm_opt_join_t;
+
+typedef struct {
+	nchar_t type;
+	nchar_t len;
+	nchar_t opx;
+	nchar_t po;
+	nlong_t prm_tgsz;
+} pgm_opt_parity_prm_t;
+
+/* OPT_PARITY_PRM P and O bits */
+static const nchar_t PGM_OPT_PARITY_PRM_PRO = 0x2;
+static const nchar_t PGM_OPT_PARITY_PRM_OND = 0x1;
+
+typedef struct {
+	nchar_t type;
+	nchar_t len;
+	nchar_t opx;
+	nchar_t res;
+	nlong_t prm_grp;
+} pgm_opt_parity_grp_t;
+
+typedef struct {
+	nchar_t type;
+	nchar_t len;
+	nchar_t opx;
+	nchar_t res;
+	nlong_t prm_atgsz;
+} pgm_opt_curr_tgsize_t;
+
+typedef struct {
+	nchar_t type;
+	nchar_t len;
+	nchar_t opx;
+	nchar_t res;
+	nlong_t tsp;
+	nshort_t acker_afi;
+	nshort_t res2;
+	nlong_t acker;
+} pgm_opt_pgmcc_data_t;
+
+typedef struct {
+	nchar_t type;
+	nchar_t len;
+	nchar_t opx;
+	nchar_t res;
+	nlong_t tsp;
+	nshort_t acker_afi;
+	nshort_t loss_rate;
+	nlong_t acker;
+} pgm_opt_pgmcc_feedback_t;
+
+/*
+ * Udp port for UDP encapsulation
+ */
+#define DEFAULT_UDP_ENCAP_UCAST_PORT 3055
+#define DEFAULT_UDP_ENCAP_MCAST_PORT 3056
+
 static int udp_encap_ucast_port = 0;
 static int udp_encap_mcast_port = 0;
 static int old_encap_ucast_port = 0;