/* packet-vines.c
* Routines for Banyan VINES protocol packet disassembly
*
- * $Id: packet-vines.c,v 1.1 1998/09/17 02:37:46 gerald Exp $
+ * $Id: packet-vines.c,v 1.22 2001/01/06 08:44:03 guy Exp $
*
* Don Lafontaine <lafont02@cn.ca>
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@zing.org>
* Copyright 1998 Gerald Combs
+ * Joerg Mayer <jmayer@telemation.de>
*
*
* This program is free software; you can redistribute it and/or
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
+#ifdef HAVE_CONFIG_H
#include "config.h"
-
-#include <gtk/gtk.h>
-#include <pcap.h>
-
-#include <stdio.h>
+#endif
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#include <netinet/in.h>
#endif
-#include "ethereal.h"
-#include "packet.h"
+#include <string.h>
+#include <glib.h>
#include "etypes.h"
+#include "ppptypes.h"
+#include "packet.h"
#include "packet-vines.h"
+#include "packet-ip.h"
+
+#define UDP_PORT_VINES 573
+
+static int proto_vines = -1;
+static int hf_vines_protocol = -1;
+
+static gint ett_vines = -1;
+
+static int proto_vines_frp = -1;
+
+static gint ett_vines_frp = -1;
+
+static int proto_vines_spp = -1;
+
+static gint ett_vines_spp = -1;
+
+static void dissect_vines_frp(tvbuff_t *, packet_info *, proto_tree *);
+#if 0
+static void dissect_vines_arp(tvbuff_t *, packet_info *, proto_tree *);
+static void dissect_vines_icp(tvbuff_t *, packet_info *, proto_tree *);
+static void dissect_vines_ipc(tvbuff_t *, packet_info *, proto_tree *);
+static void dissect_vines_rtp(tvbuff_t *, packet_info *, proto_tree *);
+#endif
+static void dissect_vines_spp(tvbuff_t *, packet_info *, proto_tree *);
+static void dissect_vines(tvbuff_t *, packet_info *, proto_tree *);
+
+void
+capture_vines(const u_char *pd, int offset, packet_counts *ld)
+{
+ ld->vines++;
+}
+
+/* AFAIK Vines FRP (Fragmentation Protocol) is used on all media except
+ * Ethernet and TR (and probably FDDI) - Fragmentation on these media types
+ * is not possible
+ * FIXME: Do we need to use this header with PPP too?
+ */
+static void
+dissect_vines_frp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
+{
+ guint8 vines_frp_ctrl;
+ proto_tree *vines_frp_tree;
+ proto_item *ti;
+ gchar frp_flags_str[32];
+ tvbuff_t *next_tvb;
+
+ CHECK_DISPLAY_AS_DATA(proto_vines_frp, tvb, pinfo, tree);
+
+ pinfo->current_proto = "Vines FRP";
+
+ if (check_col(pinfo->fd, COL_PROTOCOL))
+ col_set_str(pinfo->fd, COL_PROTOCOL, "Vines FRP");
+ if (check_col(pinfo->fd, COL_INFO))
+ col_clear(pinfo->fd, COL_INFO);
+
+ if (tree) {
+ ti = proto_tree_add_item(tree, proto_vines_frp, tvb, 0, 2,
+ FALSE);
+ vines_frp_tree = proto_item_add_subtree(ti, ett_vines_frp);
+
+ vines_frp_ctrl = tvb_get_guint8(tvb, 0);
+
+ /*
+ * 1: first fragment of vines packet
+ * 2: last fragment of vines packet
+ * 4 ... 80: unused
+ */
+ switch (vines_frp_ctrl) {
+
+ case 0:
+ strcpy(frp_flags_str, "middle");
+ break;
+
+ case 1:
+ strcpy(frp_flags_str, "first");
+ break;
+
+ case 2:
+ strcpy(frp_flags_str, "last");
+ break;
+
+ case 3:
+ strcpy(frp_flags_str, "only");
+ break;
+
+ default:
+ strcpy(frp_flags_str, "please report: unknown");
+ break;
+ }
+
+ proto_tree_add_text(vines_frp_tree, tvb, 0, 1,
+ "Control Flags: 0x%02x = %s fragment",
+ vines_frp_ctrl, frp_flags_str);
+
+ proto_tree_add_text(vines_frp_tree, tvb, 1, 1,
+ "Sequence Number: 0x%02x",
+ tvb_get_guint8(tvb, 1));
+ }
+
+ /* Decode the "real" Vines now */
+ next_tvb = tvb_new_subset(tvb, 2, -1, -1);
+ dissect_vines(tvb, pinfo, tree);
+}
+
+void
+proto_register_vines_frp(void)
+{
+ static gint *ett[] = {
+ &ett_vines_frp,
+ };
+
+ proto_vines_frp = proto_register_protocol(
+ "Banyan Vines Fragmentation Protocol", "Vines FRP", "vines_frp");
+ proto_register_subtree_array(ett, array_length(ett));
+}
+
+void
+proto_reg_handoff_vines_frp(void)
+{
+ dissector_add("ip.proto", IP_PROTO_VINES, dissect_vines_frp);
+
+ /* XXX: AFAIK, src and dst port must be the same; should
+ the dissector check for that? */
+ dissector_add("udp.port", UDP_PORT_VINES, dissect_vines_frp);
+}
-#define VINES_VSPP 2
-#define VINES_DATA 1
+gchar *
+vines_addr_to_str(const guint8 *addrp)
+{
+ static gchar str[3][214];
+ static gchar *cur;
+
+ if (cur == &str[0][0]) {
+ cur = &str[1][0];
+ } else if (cur == &str[1][0]) {
+ cur = &str[2][0];
+ } else {
+ cur = &str[0][0];
+ }
+
+ sprintf(cur, "%08x.%04x", pntohl(&addrp[0]), pntohs(&addrp[4]));
+ return cur;
+}
+
+static void
+dissect_vines(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
+{
+ int offset = 0;
+ e_vip viph;
+ proto_tree *vip_tree;
+ proto_item *ti;
+/* gchar tos_str[32]; */
+ guint8 *dst_addr, *src_addr;
+ int is_broadcast = 0;
+ int hops = 0;
+ tvbuff_t *next_tvb;
+
+ CHECK_DISPLAY_AS_DATA(proto_vines, tvb, pinfo, tree);
+
+ pinfo->current_proto = "Vines";
+
+ if (check_col(pinfo->fd, COL_PROTOCOL))
+ col_set_str(pinfo->fd, COL_PROTOCOL, "Vines");
+ if (check_col(pinfo->fd, COL_INFO))
+ col_clear(pinfo->fd, COL_INFO);
+
+ /* To do: check for runts, errs, etc. */
+
+ /* Avoids alignment problems on many architectures. */
+ tvb_memcpy(tvb, (guint8 *)&viph, offset, sizeof(e_vip));
+
+ viph.vip_chksum = ntohs(viph.vip_chksum);
+ viph.vip_pktlen = ntohs(viph.vip_pktlen);
+ viph.vip_dnet = ntohl(viph.vip_dnet);
+ viph.vip_dsub = ntohs(viph.vip_dsub);
+ viph.vip_snet = ntohl(viph.vip_snet);
+ viph.vip_ssub = ntohs(viph.vip_ssub);
+
+ switch (viph.vip_proto) {
+ case VIP_PROTO_IPC:
+ if (check_col(pinfo->fd, COL_PROTOCOL))
+ col_set_str(pinfo->fd, COL_PROTOCOL, "Vines IPC");
+ if (check_col(pinfo->fd, COL_INFO))
+ col_add_fstr(pinfo->fd, COL_INFO, "IPC (%02x)", viph.vip_proto);
+ break;
+ case VIP_PROTO_SPP:
+ if (check_col(pinfo->fd, COL_PROTOCOL))
+ col_set_str(pinfo->fd, COL_PROTOCOL, "Vines SPP");
+ if (check_col(pinfo->fd, COL_INFO))
+ col_add_fstr(pinfo->fd, COL_INFO, "SPP (%02x)", viph.vip_proto);
+ break;
+ case VIP_PROTO_ARP:
+ if (check_col(pinfo->fd, COL_PROTOCOL))
+ col_set_str(pinfo->fd, COL_PROTOCOL, "Vines ARP");
+ if (check_col(pinfo->fd, COL_INFO))
+ col_add_fstr(pinfo->fd, COL_INFO, "ARP (%02x)", viph.vip_proto);
+ break;
+ case VIP_PROTO_RTP:
+ if (check_col(pinfo->fd, COL_PROTOCOL))
+ col_set_str(pinfo->fd, COL_PROTOCOL, "Vines RTP");
+ if (check_col(pinfo->fd, COL_INFO))
+ col_add_fstr(pinfo->fd, COL_INFO, "RTP (%02x)", viph.vip_proto);
+ break;
+ case VIP_PROTO_ICP:
+ if (check_col(pinfo->fd, COL_PROTOCOL))
+ col_set_str(pinfo->fd, COL_PROTOCOL, "Vines ICP");
+ if (check_col(pinfo->fd, COL_INFO))
+ col_add_fstr(pinfo->fd, COL_INFO, "ICP (%02x)", viph.vip_proto);
+ break;
+ default:
+ if (check_col(pinfo->fd, COL_PROTOCOL))
+ col_set_str(pinfo->fd, COL_PROTOCOL, "Vines IP");
+ if (check_col(pinfo->fd, COL_INFO))
+ col_add_fstr(pinfo->fd, COL_INFO, "Unknown VIP protocol (%02x)",
+ viph.vip_proto);
+ }
+
+ src_addr = tvb_get_ptr(tvb, offset+12, VINES_ADDR_LEN);
+ SET_ADDRESS(&pinfo->net_src, AT_VINES, VINES_ADDR_LEN, src_addr);
+ SET_ADDRESS(&pinfo->src, AT_VINES, VINES_ADDR_LEN, src_addr);
+ dst_addr = tvb_get_ptr(tvb, offset+6, VINES_ADDR_LEN);
+ SET_ADDRESS(&pinfo->net_dst, AT_VINES, VINES_ADDR_LEN,dst_addr);
+ SET_ADDRESS(&pinfo->dst, AT_VINES, VINES_ADDR_LEN, dst_addr);
+
+ /* helpers to decode flags */
+ /* FIXME: Not used yet */
+ if ((viph.vip_dnet == 0xffffffff) && (viph.vip_dsub == 0xffff)) {
+ is_broadcast = 1;
+ }
+ hops = viph.vip_tctl & 0xf;
+
+ /*
+ viph.ip_tos = IPTOS_TOS(viph.ip_tos);
+ switch (viph.ip_tos) {
+ case IPTOS_NONE:
+ strcpy(tos_str, "None");
+ break;
+ case IPTOS_LOWDELAY:
+ strcpy(tos_str, "Minimize delay");
+ break;
+ case IPTOS_THROUGHPUT:
+ strcpy(tos_str, "Maximize throughput");
+ break;
+ case IPTOS_RELIABILITY:
+ strcpy(tos_str, "Maximize reliability");
+ break;
+ case IPTOS_LOWCOST:
+ strcpy(tos_str, "Minimize cost");
+ break;
+ default:
+ strcpy(tos_str, "Unknon. Malformed?");
+ break;
+ }
+ */
+
+ if (tree) {
+ ti = proto_tree_add_protocol_format(tree, proto_vines, tvb,
+ offset, (viph.vip_pktlen),
+ "Vines IP");
+ vip_tree = proto_item_add_subtree(ti, ett_vines);
+ proto_tree_add_text(vip_tree, tvb, offset, 2,
+ "Packet checksum: 0x%04x",
+ viph.vip_chksum);
+ proto_tree_add_text(vip_tree, tvb, offset + 2, 2,
+ "Packet length: 0x%04x (%d)",
+ viph.vip_pktlen, viph.vip_pktlen);
+ proto_tree_add_text(vip_tree, tvb, offset + 4, 1,
+ "Transport control: 0x%02x",
+ viph.vip_tctl);
+ proto_tree_add_uint(vip_tree, hf_vines_protocol, tvb,
+ offset + 5, 1,
+ viph.vip_proto);
+ proto_tree_add_text(vip_tree, tvb, offset + 6,
+ VINES_ADDR_LEN,
+ "Destination: %s",
+ vines_addr_to_str(dst_addr));
+ proto_tree_add_text(vip_tree, tvb, offset + 12,
+ VINES_ADDR_LEN,
+ "Source: %s",
+ vines_addr_to_str(src_addr));
+
+ }
+
+ offset += 18;
+ switch (viph.vip_proto) {
+ case VIP_PROTO_SPP:
+ next_tvb = tvb_new_subset(tvb, offset, -1, -1);
+ dissect_vines_spp(next_tvb, pinfo, tree);
+ break;
+ default:
+ dissect_data(tvb, offset, pinfo, tree);
+ break;
+ }
+}
void
-dissect_vines(const u_char *pd, int offset, frame_data *fd, GtkTree *tree)
- {
- e_vip iph;
- GtkWidget *vip_tree, *ti;
- gchar tos_str[32];
-
- /* To do: check for runts, errs, etc. */
- /* Avoids alignment problems on many architectures. */
- memcpy(&iph, &pd[offset], sizeof(e_vip));
-
- iph.vip_sum = pntohs(&pd[offset]);
- iph.vip_len = pntohs(&pd[offset+2]);
- iph.vip_dnet = pntohl(&pd[offset+6]);
- iph.vip_snet = pntohl(&pd[offset+12]);
- iph.vip_dsub = pntohs(&pd[offset+10]);
- iph.vip_ssub = pntohs(&pd[offset+16]);
-
- if (fd->win_info[0])
- {
- switch (iph.vip_proto)
- {
- case VINES_VSPP:
- strcpy(fd->win_info[3], "Vines");
- sprintf(fd->win_info[4], "VSPP (%02x)", iph.vip_proto);
- break;
- case VINES_DATA:
- strcpy(fd->win_info[3], "Vines IP");
- sprintf(fd->win_info[4], "DATA (%02x)", iph.vip_proto);
- break;
- default:
- strcpy(fd->win_info[3], "Vines IP");
- sprintf(fd->win_info[4], "Unknown VIP protocol (%02x)", iph.vip_proto);
- }
-
- sprintf(fd->win_info[1], "%08x.%04x", iph.vip_snet, iph.vip_ssub);
- sprintf(fd->win_info[2], "%08x.%04x", iph.vip_dnet, iph.vip_dsub);
- }
- /*
- iph.ip_tos = IPTOS_TOS(iph.ip_tos);
- switch (iph.ip_tos)
- {
- case IPTOS_NONE:
- strcpy(tos_str, "None");
- break;
- case IPTOS_LOWDELAY:
- strcpy(tos_str, "Minimize delay");
- break;
- case IPTOS_THROUGHPUT:
- strcpy(tos_str, "Maximize throughput");
- break;
- case IPTOS_RELIABILITY:
- strcpy(tos_str, "Maximize reliability");
- break;
- case IPTOS_LOWCOST:
- strcpy(tos_str, "Minimize cost");
- break;
- default:
- strcpy(tos_str, "Unknon. Malformed?");
- break;
- }
- */
- if (tree)
- {
- ti = add_item_to_tree(GTK_WIDGET(tree), offset, (iph.vip_len),
- "Vines IP");
- vip_tree = gtk_tree_new();
- add_subtree(ti, vip_tree, ETT_VINES);
- add_item_to_tree(vip_tree, offset, 2, "Header checksum: 0x%04x", iph.vip_sum);
- add_item_to_tree(vip_tree, offset + 2, 2, "Header length: 0x%02x (%d)", iph.vip_len, iph.vip_len);
- add_item_to_tree(vip_tree, offset + 4, 1, "Transport control: 0x%02x",
- iph.vip_tos);
- add_item_to_tree(vip_tree, offset + 5, 1, "Protocol: 0x%02x", iph.vip_proto);
- }
-
-
- offset += 18;
- switch (iph.vip_proto)
- {
- case VINES_VSPP:
- dissect_vspp(pd, offset, fd, tree);
- break;
- }
+proto_register_vines(void)
+{
+ static gint *ett[] = {
+ &ett_vines,
+ };
+
+ static hf_register_info hf[] = {
+ { &hf_vines_protocol,
+ { "Protocol", "vines.protocol",
+ FT_UINT8, BASE_HEX, NULL, 0x0,
+ "Vines protocol" }}
+ };
+
+ proto_vines = proto_register_protocol("Banyan Vines", "Vines", "vines");
+ proto_register_field_array(proto_vines, hf, array_length(hf));
+ proto_register_subtree_array(ett, array_length(ett));
+}
+
+void
+proto_reg_handoff_vines(void)
+{
+ dissector_add("ethertype", ETHERTYPE_VINES, dissect_vines);
+ dissector_add("ppp.protocol", PPP_VINES, dissect_vines);
+}
+
+static void
+dissect_vines_spp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
+{
+ int offset = 0;
+ e_vspp viph;
+ proto_tree *vspp_tree;
+ proto_item *ti;
+
+ CHECK_DISPLAY_AS_DATA(proto_vines_spp, tvb, pinfo, tree);
+
+ pinfo->current_proto = "Vines SPP";
+
+ if (check_col(pinfo->fd, COL_PROTOCOL))
+ col_set_str(pinfo->fd, COL_PROTOCOL, "VSPP");
+ if (check_col(pinfo->fd, COL_INFO))
+ col_clear(pinfo->fd, COL_INFO);
+
+ /* To do: check for runts, errs, etc. */
+
+ /* Avoids alignment problems on many architectures. */
+ tvb_memcpy(tvb, (guint8 *)&viph, offset, sizeof(e_vspp));
+
+ viph.vspp_sport = ntohs(viph.vspp_sport);
+ viph.vspp_dport = ntohs(viph.vspp_dport);
+ viph.vspp_lclid = ntohs(viph.vspp_lclid);
+ viph.vspp_rmtid = ntohs(viph.vspp_rmtid);
+
+ switch (viph.vspp_pkttype) {
+ case VSPP_PKTTYPE_DATA:
+ if (check_col(pinfo->fd, COL_PROTOCOL))
+ col_set_str(pinfo->fd, COL_PROTOCOL, "VSPP Data");
+ break;
+ case VSPP_PKTTYPE_DISC:
+ if (check_col(pinfo->fd, COL_PROTOCOL))
+ col_set_str(pinfo->fd, COL_PROTOCOL, "VSPP Disconnect");
+ break;
+ case VSPP_PKTTYPE_PROBE:
+ if (check_col(pinfo->fd, COL_PROTOCOL))
+ col_set_str(pinfo->fd, COL_PROTOCOL, "VSPP Probe");
+ break;
+ case VSPP_PKTTYPE_ACK:
+ if (check_col(pinfo->fd, COL_PROTOCOL))
+ col_set_str(pinfo->fd, COL_PROTOCOL, "VSPP Ack");
+ break;
+ default:
+ if (check_col(pinfo->fd, COL_PROTOCOL))
+ col_set_str(pinfo->fd, COL_PROTOCOL, "VSPP Unknown");
}
-#define VINES_VSPP_DATA 1
-#define VINES_VSPP_ACK 5
-void dissect_vspp(const u_char *pd, int offset, frame_data *fd, GtkTree *tree)
- {
- e_vspp iph;
- GtkWidget *vspp_tree, *ti;
- gchar tos_str[32];
-
- /* To do: check for runts, errs, etc. */
- /* Avoids alignment problems on many architectures. */
- memcpy(&iph, &pd[offset], sizeof(e_vspp));
-
- iph.vspp_sport = ntohs(iph.vspp_sport);
- iph.vspp_dport = ntohs(iph.vspp_dport);
- iph.vspp_lclid = ntohs(iph.vspp_lclid);
- iph.vspp_rmtid = ntohs(iph.vspp_rmtid);
-
- if (fd->win_info[0])
- {
- switch (iph.vspp_pkttype)
- {
- case VINES_VSPP_DATA:
- strcpy(fd->win_info[3], "Vines");
- sprintf(fd->win_info[4], "VSPP Data Port=%04x(Transient) NS=%04x NR=%04x Window=%04x RID=%04x LID=%04x D=%04x S=%04x",
- iph.vspp_sport, iph.vspp_seq, iph.vspp_ack, iph.vspp_win, iph.vspp_rmtid,
- iph.vspp_lclid, iph.vspp_dport, iph.vspp_sport);
- break;
- case VINES_VSPP_ACK:
- strcpy(fd->win_info[3], "Vines");
- sprintf(fd->win_info[4], "VSPP Ack Port=%04x(Transient) NS=%04x NR=%04x Window=%04x RID=%04x LID=%04x",
- iph.vspp_sport, iph.vspp_seq, iph.vspp_ack, iph.vspp_win, iph.vspp_rmtid,
- iph.vspp_lclid);
-
- break;
- default:
- strcpy(fd->win_info[3], "Vines IP");
- sprintf(fd->win_info[4], "Unknown VSPP packet type (%02x)", iph.vspp_pkttype);
- }
- }
- /*
- iph.ip_tos = IPTOS_TOS(iph.ip_tos);
- switch (iph.ip_tos)
- {
- case IPTOS_NONE:
- strcpy(tos_str, "None");
- break;
- case IPTOS_LOWDELAY:
- strcpy(tos_str, "Minimize delay");
- break;
- case IPTOS_THROUGHPUT:
- strcpy(tos_str, "Maximize throughput");
- break;
- case IPTOS_RELIABILITY:
- strcpy(tos_str, "Maximize reliability");
- break;
- case IPTOS_LOWCOST:
- strcpy(tos_str, "Minimize cost");
- break;
- default:
- strcpy(tos_str, "Unknon. Malformed?");
- break;
- }
-*/
- if (tree)
- {
- ti = add_item_to_tree(GTK_WIDGET(tree), offset, sizeof(iph),
- "Vines SPP");
- vspp_tree = gtk_tree_new();
- add_subtree(ti, vspp_tree, ETT_VSPP);
- add_item_to_tree(vspp_tree, offset, 2, "Source port: 0x%04x", iph.vspp_sport);
- add_item_to_tree(vspp_tree, offset+2, 2, "Destination port: 0x%04x", iph.vspp_dport);
- add_item_to_tree(vspp_tree, offset+4, 1, "Packet type: 0x%02x", iph.vspp_pkttype);
- add_item_to_tree(vspp_tree, offset+5, 1, "Control: 0x%02x", iph.vspp_tos);
- add_item_to_tree(vspp_tree, offset+6, 2, "Local Connection ID: 0x%04x", iph.vspp_lclid);
- add_item_to_tree(vspp_tree, offset+8, 2, "Remote Connection ID: 0x%04x", iph.vspp_rmtid);
- add_item_to_tree(vspp_tree, offset+10, 2, "Sequence number: 0x%04x", iph.vspp_seq);
- add_item_to_tree(vspp_tree, offset+12, 2, "Ack number: 0x%04x", iph.vspp_ack);
- add_item_to_tree(vspp_tree, offset+14, 2, "Window: 0x%04x", iph.vspp_win);
- }
+ if (check_col(pinfo->fd, COL_INFO))
+ col_add_fstr(pinfo->fd, COL_INFO,
+ "NS=%04x NR=%04x Window=%04x RID=%04x LID=%04x D=%04x S=%04x",
+ viph.vspp_seqno, viph.vspp_ack, viph.vspp_win,
+ viph.vspp_rmtid, viph.vspp_lclid, viph.vspp_dport,
+ viph.vspp_sport);
+
+ /*
+ iph.ip_tos = IPTOS_TOS(iph.ip_tos);
+ switch (iph.ip_tos) {
+ case IPTOS_NONE:
+ strcpy(tos_str, "None");
+ break;
+ case IPTOS_LOWDELAY:
+ strcpy(tos_str, "Minimize delay");
+ break;
+ case IPTOS_THROUGHPUT:
+ strcpy(tos_str, "Maximize throughput");
+ break;
+ case IPTOS_RELIABILITY:
+ strcpy(tos_str, "Maximize reliability");
+ break;
+ case IPTOS_LOWCOST:
+ strcpy(tos_str, "Minimize cost");
+ break;
+ default:
+ strcpy(tos_str, "Unknon. Malformed?");
+ break;
}
+ */
+
+ if (tree) {
+ ti = proto_tree_add_item(tree, proto_vines_spp, tvb, offset,
+ sizeof(viph), FALSE);
+ vspp_tree = proto_item_add_subtree(ti, ett_vines_spp);
+ proto_tree_add_text(vspp_tree, tvb, offset, 2,
+ "Source port: 0x%04x", viph.vspp_sport);
+ proto_tree_add_text(vspp_tree, tvb, offset + 2, 2,
+ "Destination port: 0x%04x",
+ viph.vspp_dport);
+ proto_tree_add_text(vspp_tree, tvb, offset + 4, 1,
+ "Packet type: 0x%02x", viph.vspp_pkttype);
+ proto_tree_add_text(vspp_tree, tvb, offset + 5, 1,
+ "Control: 0x%02x", viph.vspp_control);
+ proto_tree_add_text(vspp_tree, tvb, offset + 6, 2,
+ "Local Connection ID: 0x%04x",
+ viph.vspp_lclid);
+ proto_tree_add_text(vspp_tree, tvb, offset + 8, 2,
+ "Remote Connection ID: 0x%04x",
+ viph.vspp_rmtid);
+ proto_tree_add_text(vspp_tree, tvb, offset + 10, 2,
+ "Sequence number: 0x%04x",
+ viph.vspp_seqno);
+ proto_tree_add_text(vspp_tree, tvb, offset + 12, 2,
+ "Ack number: 0x%04x", viph.vspp_ack);
+ proto_tree_add_text(vspp_tree, tvb, offset + 14, 2,
+ "Window: 0x%04x", viph.vspp_win);
+ }
+ offset += 16; /* sizeof SPP */
+ dissect_data(tvb, offset, pinfo, tree);
+}
+
+void
+proto_register_vines_spp(void)
+{
+ static gint *ett[] = {
+ &ett_vines_spp,
+ };
+
+ proto_vines_spp = proto_register_protocol("Banyan Vines SPP",
+ "Vines SPP", "vines_spp");
+ proto_register_subtree_array(ett, array_length(ett));
+}