Ethereal-dev: [Ethereal-dev] [PATCH] RTCFG update for RTNET plugin
Note: This archive is from the project's previous web site, ethereal.com. This list is no longer active.
From: Erwin Rol <mailinglists@xxxxxxxxxxxx>
Date: Thu, 27 Nov 2003 16:46:49 +0100
Hello all, attached a patch that implements the RTCFG protocol used by RTNET, for more information on RTNET see; http://www.rts.uni-hannover.de/rtnet/ - Erwin -- Erwin Rol Software Engineering - http://www.erwinrol.com/
Index: etypes.h
===================================================================
RCS file: /cvsroot/ethereal/etypes.h,v
retrieving revision 1.36
diff -u -r1.36 etypes.h
--- etypes.h 17 Nov 2003 18:23:34 -0000 1.36
+++ etypes.h 27 Nov 2003 15:42:39 -0000
@@ -220,6 +220,10 @@
#define ETHERTYPE_RTNET 0x9021 /* RTNET protocol*/
#endif
+#ifndef ETHERTYPE_RTCFG
+#define ETHERTYPE_RTCFG 0x9022 /* RTCFG protocol*/
+#endif
+
#ifndef ETHERTYPE_FCFT
/* type used to transport FC frames+MDS hdr internal to Cisco's MDS switch */
#define ETHERTYPE_FCFT 0xFCFC
Index: packet-ethertype.c
===================================================================
RCS file: /cvsroot/ethereal/packet-ethertype.c,v
retrieving revision 1.40
diff -u -r1.40 packet-ethertype.c
--- packet-ethertype.c 17 Nov 2003 18:23:34 -0000 1.40
+++ packet-ethertype.c 27 Nov 2003 15:42:40 -0000
@@ -83,6 +83,7 @@
{ETHERTYPE_CGMP, "Cisco Group Management Protocol" },
{ETHERTYPE_SLOW_PROTOCOLS, "Slow Protocols" },
{ETHERTYPE_RTNET, "RTNET Protocol" },
+ {ETHERTYPE_RTCFG, "RTCFG Protocol" },
{ETHERTYPE_PROFINET, "PROFInet" },
/*
Index: plugins/rtnet/packet-rtnet.c
===================================================================
RCS file: /cvsroot/ethereal/plugins/rtnet/packet-rtnet.c,v
retrieving revision 1.5
diff -u -r1.5 packet-rtnet.c
--- plugins/rtnet/packet-rtnet.c 2 Oct 2003 21:04:32 -0000 1.5
+++ plugins/rtnet/packet-rtnet.c 27 Nov 2003 15:42:46 -0000
@@ -69,6 +69,34 @@
{ 0, NULL }
};
+#define RTCFG_MSG_S1_CONFIG 0x0
+#define RTCFG_MSG_ANN_NEW 0x1
+#define RTCFG_MSG_ANN_REPLY 0x2
+#define RTCFG_MSG_S2_CONFIG 0x3
+#define RTCFG_MSG_S2_SUBSEQ 0x4
+#define RTCFG_MSG_ACK 0x5
+#define RTCFG_MSG_HBEAT 0x6
+
+static const value_string rtcfg_msg_vals[] = {
+ { RTCFG_MSG_S1_CONFIG, "Stage 1 Config" },
+ { RTCFG_MSG_ANN_NEW, "New Announce" },
+ { RTCFG_MSG_ANN_REPLY, "Reply Announce" },
+ { RTCFG_MSG_S2_CONFIG, "Stage 2 Config" },
+ { RTCFG_MSG_S2_SUBSEQ, "Stage 2 Subsequent" },
+ { RTCFG_MSG_ACK, "Ack" },
+ { RTCFG_MSG_HBEAT, "Heartbeat" },
+ { 0, NULL }
+};
+
+#define RTCFG_ADDRESS_TYPE_MAC 0x00
+#define RTCFG_ADDRESS_TYPE_IP 0x01
+
+static const value_string rtcfg_address_type_vals[] = {
+ { RTCFG_ADDRESS_TYPE_MAC, "MAC" },
+ { RTCFG_ADDRESS_TYPE_IP, "IP" },
+ { 0, NULL }
+};
+
#define RTNET_TDMA_MSG_NOTIFY_MASTER 0x10
#define RTNET_TDMA_MSG_REQUEST_TEST 0x11
#define RTNET_TDMA_MSG_ACK_TEST 0x12
@@ -96,9 +124,27 @@
static dissector_handle_t arp_handle;
void proto_reg_handoff_rtnet(void);
+void proto_reg_handoff_rtcfg(void);
/* Define the rtnet proto */
static int proto_rtnet = -1;
+static int proto_rtcfg = -1;
+
+static int hf_rtcfg_vers_id = -1;
+static int hf_rtcfg_vers = -1;
+static int hf_rtcfg_id = -1;
+static int hf_rtcfg_address_type = -1;
+static int hf_rtcfg_client_ip_address = -1;
+static int hf_rtcfg_server_ip_address = -1;
+static int hf_rtcfg_burst_rate = -1;
+static int hf_rtcfg_s1_config_length = -1;
+static int hf_rtcfg_config_data = -1;
+static int hf_rtcfg_get_config = -1;
+static int hf_rtcfg_active_clients = -1;
+static int hf_rtcfg_heartbeat_period = -1;
+static int hf_rtcfg_s2_config_length = -1;
+static int hf_rtcfg_config_offset = -1;
+static int hf_rtcfg_ack_length = -1;
/* Header */
static int hf_rtnet_header_type = -1;
@@ -154,6 +200,7 @@
/* Define the tree for rtnet */
static int ett_rtnet = -1;
+static int ett_rtcfg = -1;
static guint
dissect_rtnet_tdma_notify_master(tvbuff_t *tvb _U_, guint offset, proto_tree *tree _U_)
@@ -471,6 +518,167 @@
}
}
+static void
+dissect_rtcfg(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) {
+ gint offset = 0;
+ proto_tree *vers_id_tree, *vers_id_item;
+ guint8 vers_id;
+ guint8 address_type;
+ guint32 config_length,len;
+ proto_tree *ti=NULL,*rtcfg_tree=NULL;
+
+ /* Set the protocol column */
+ if(check_col(pinfo->cinfo,COL_PROTOCOL)){
+ col_set_str(pinfo->cinfo,COL_PROTOCOL,"RTCFG");
+ }
+
+ /* Clear out stuff in the info column */
+ if(check_col(pinfo->cinfo,COL_INFO)){
+ col_clear(pinfo->cinfo,COL_INFO);
+ }
+
+ if (tree) {
+ ti = proto_tree_add_item(tree, proto_rtcfg, tvb, offset, -1, FALSE);
+ rtcfg_tree = proto_item_add_subtree(ti, ett_rtcfg);
+ }
+
+ if( rtcfg_tree )
+ {
+ vers_id = tvb_get_guint8(tvb, offset);
+ vers_id_item = proto_tree_add_uint(rtcfg_tree, hf_rtcfg_vers_id, tvb,
+ offset, 1, vers_id);
+
+ vers_id_tree=proto_item_add_subtree(vers_id_item, ett_rtcfg);
+ proto_tree_add_item(vers_id_tree, hf_rtcfg_vers, tvb, offset, 1, FALSE);
+ proto_tree_add_item(vers_id_tree, hf_rtcfg_id, tvb, offset, 1, FALSE);
+ offset += 1;
+
+ if (check_col(pinfo->cinfo, COL_INFO)) {
+ col_add_fstr(pinfo->cinfo, COL_INFO, "%s",
+ val_to_str(vers_id, rtcfg_msg_vals, "Unknown (0x%04x)"));
+ }
+
+ switch( vers_id & 0x1f )
+ {
+ case RTCFG_MSG_S1_CONFIG:
+ address_type = tvb_get_guint8(tvb, offset);
+ proto_tree_add_item( rtcfg_tree, hf_rtcfg_address_type, tvb, offset, 1, FALSE );
+ offset += 1;
+
+ switch( address_type )
+ {
+ case RTCFG_ADDRESS_TYPE_MAC:
+ /* nothing */
+ break;
+
+ case RTCFG_ADDRESS_TYPE_IP:
+ proto_tree_add_item( rtcfg_tree, hf_rtcfg_client_ip_address, tvb, offset, 4, FALSE );
+ offset += 4;
+
+ proto_tree_add_item( rtcfg_tree, hf_rtcfg_server_ip_address, tvb, offset, 4, FALSE );
+ offset += 4;
+
+ break;
+ }
+
+ proto_tree_add_item( rtcfg_tree, hf_rtcfg_burst_rate, tvb, offset, 1, FALSE );
+ offset += 1;
+
+ config_length = tvb_get_ntohs( tvb, offset );
+ proto_tree_add_item( rtcfg_tree, hf_rtcfg_s1_config_length, tvb, offset, 2, FALSE );
+ offset += 2;
+
+ if( config_length > 0 ) {
+ proto_tree_add_item( rtcfg_tree, hf_rtcfg_config_data, tvb, offset, config_length, FALSE );
+ offset += config_length;
+ }
+
+ break;
+
+ case RTCFG_MSG_ANN_NEW:
+ address_type = tvb_get_guint8(tvb, offset);
+ proto_tree_add_item( rtcfg_tree, hf_rtcfg_address_type, tvb, offset, 1, FALSE );
+ offset += 1;
+
+ switch( address_type )
+ {
+ case RTCFG_ADDRESS_TYPE_MAC:
+ /* nothing */
+ break;
+
+ case RTCFG_ADDRESS_TYPE_IP:
+ proto_tree_add_item( rtcfg_tree, hf_rtcfg_client_ip_address, tvb, offset, 4, FALSE );
+ offset += 4;
+ break;
+ }
+
+ proto_tree_add_item( rtcfg_tree, hf_rtcfg_get_config, tvb, offset, 1, FALSE );
+ offset += 1;
+
+ proto_tree_add_item( rtcfg_tree, hf_rtcfg_burst_rate, tvb, offset, 1, FALSE );
+ offset += 1;
+
+ break;
+
+ case RTCFG_MSG_ANN_REPLY:
+ address_type = tvb_get_guint8(tvb, offset);
+ proto_tree_add_item( rtcfg_tree, hf_rtcfg_address_type, tvb, offset, 1, FALSE );
+ offset += 1;
+
+ switch( address_type )
+ {
+ case RTCFG_ADDRESS_TYPE_MAC:
+ /* nothing */
+ break;
+
+ case RTCFG_ADDRESS_TYPE_IP:
+ proto_tree_add_item( rtcfg_tree, hf_rtcfg_client_ip_address, tvb, offset, 4, FALSE );
+ offset += 4;
+ break;
+ }
+ break;
+
+ case RTCFG_MSG_S2_CONFIG:
+ proto_tree_add_item( rtcfg_tree, hf_rtcfg_active_clients, tvb, offset, 4, FALSE );
+ offset += 4;
+
+ proto_tree_add_item( rtcfg_tree, hf_rtcfg_heartbeat_period, tvb, offset, 2, FALSE );
+ offset += 2;
+
+ config_length = tvb_get_ntohl( tvb, offset );
+ proto_tree_add_item( rtcfg_tree, hf_rtcfg_s2_config_length, tvb, offset, 4, FALSE );
+ offset += 4;
+
+ if( config_length > 0 ) {
+ len = tvb_reported_length_remaining(tvb, offset);
+ proto_tree_add_item( rtcfg_tree, hf_rtcfg_config_data, tvb, offset, len, FALSE );
+ offset += len;
+ }
+
+ break;
+
+ case RTCFG_MSG_S2_SUBSEQ:
+ proto_tree_add_item( rtcfg_tree, hf_rtcfg_config_offset, tvb, offset, 4, FALSE );
+ offset += 4;
+
+ len = tvb_reported_length_remaining(tvb, offset);
+ proto_tree_add_item( rtcfg_tree, hf_rtcfg_config_data, tvb, offset, len, FALSE );
+ offset += len;
+ break;
+
+ case RTCFG_MSG_ACK:
+ proto_tree_add_item( rtcfg_tree, hf_rtcfg_ack_length, tvb, offset, 4, FALSE );
+ offset += 4;
+
+ break;
+
+ case RTCFG_MSG_HBEAT:
+ break;
+
+ }
+ }
+}
+
void
proto_register_rtnet(void) {
static hf_register_info hf[] = {
@@ -696,6 +904,111 @@
}
+
+void
+proto_register_rtcfg(void) {
+ static hf_register_info hf[] = {
+ { &hf_rtcfg_vers_id,
+ { "Version and ID",
+ "rtcfg.vers_id",
+ FT_UINT8, BASE_HEX, NULL, 0x0,
+ "RTCFG Version and ID", HFILL }},
+
+ { &hf_rtcfg_vers,
+ { "Version",
+ "rtcfg.vers",
+ FT_UINT8, BASE_DEC, NULL, 0xe0,
+ "RTCFG Version", HFILL }},
+
+ { &hf_rtcfg_id,
+ { "ID",
+ "rtcfg.id",
+ FT_UINT8, BASE_HEX, VALS(rtcfg_msg_vals), 0x1f,
+ "RTCFG ID", HFILL }},
+
+ { &hf_rtcfg_address_type,
+ { "Address Type",
+ "rtcfg.address_type",
+ FT_UINT8, BASE_DEC, VALS(rtcfg_address_type_vals), 0x00,
+ "RTCFG Address Type", HFILL }},
+
+ { &hf_rtcfg_client_ip_address,
+ { "Client IP Address",
+ "rtcfg.client_ip_address",
+ FT_IPv4, BASE_DEC, NULL, 0x0,
+ "RTCFG Client IP Address", HFILL }},
+
+ { &hf_rtcfg_server_ip_address,
+ { "Server IP Address",
+ "rtcfg.server_ip_address",
+ FT_IPv4, BASE_DEC, NULL, 0x0,
+ "RTCFG Server IP Address", HFILL }},
+
+ { &hf_rtcfg_burst_rate,
+ { "Stage 2 Burst Rate",
+ "rtcfg.burst_rate",
+ FT_UINT8, BASE_DEC, NULL, 0x00,
+ "RTCFG Stage 2 Burst Rate", HFILL }},
+
+ { &hf_rtcfg_s1_config_length,
+ { "S1 Config Length",
+ "rtcfg.s1_config_length",
+ FT_UINT16, BASE_DEC, NULL, 0x00,
+ "RTCFG S1 Config Length", HFILL }},
+
+ { &hf_rtcfg_config_data,
+ { "Config Data",
+ "rtcfg.config_data",
+ FT_BYTES, BASE_DEC, NULL, 0x00,
+ "RTCFG Config Data", HFILL }},
+
+ { &hf_rtcfg_get_config,
+ { "Get Config",
+ "rtcfg.get_config",
+ FT_UINT8, BASE_DEC, NULL, 0x00,
+ "RTCFG Get Config", HFILL }},
+
+ { &hf_rtcfg_active_clients,
+ { "Active Clients",
+ "rtcfg.active_clients",
+ FT_UINT32, BASE_DEC, NULL, 0x00,
+ "RTCFG Active Clients", HFILL }},
+
+ { &hf_rtcfg_heartbeat_period,
+ { "Heartbeat Period",
+ "rtcfg.hearbeat_period",
+ FT_UINT16, BASE_DEC, NULL, 0x00,
+ "RTCFG Heartbeat Period", HFILL }},
+
+ { &hf_rtcfg_s2_config_length,
+ { "S2 Config Length",
+ "rtcfg.s2_config_length",
+ FT_UINT32, BASE_DEC, NULL, 0x00,
+ "RTCFG S2 Config Length", HFILL }},
+
+ { &hf_rtcfg_config_offset,
+ { "Config Offset",
+ "rtcfg.config_offset",
+ FT_UINT32, BASE_DEC, NULL, 0x00,
+ "RTCFG Config Offset", HFILL }},
+
+ { &hf_rtcfg_ack_length,
+ { "Ack Length",
+ "rtcfg.ack_length",
+ FT_UINT32, BASE_DEC, NULL, 0x00,
+ "RTCFG Ack Length", HFILL }}
+
+ };
+
+ static gint *ett[] = {
+ &ett_rtcfg,
+ };
+
+ proto_rtcfg = proto_register_protocol("RTCFG","RTCFG","rtcfg");
+ proto_register_field_array(proto_rtcfg,hf,array_length(hf));
+ proto_register_subtree_array(ett,array_length(ett));
+}
+
/* The registration hand-off routing */
void
@@ -717,6 +1030,21 @@
arp_handle = find_dissector("arp");
}
+void
+proto_reg_handoff_rtcfg(void) {
+ static int rtcfg_initialized = FALSE;
+ static dissector_handle_t rtcfg_handle;
+
+ if( !rtcfg_initialized ){
+ rtcfg_handle = create_dissector_handle(dissect_rtcfg, proto_rtcfg);
+ rtcfg_initialized = TRUE;
+ } else {
+ dissector_delete("ethertype",ETHERTYPE_RTCFG, rtcfg_handle);
+ }
+
+ dissector_add("ethertype", ETHERTYPE_RTCFG, rtcfg_handle);
+}
+
/* Start the functions we need for the plugin stuff */
#ifndef ENABLE_STATIC
@@ -724,6 +1052,7 @@
G_MODULE_EXPORT void
plugin_reg_handoff(void){
proto_reg_handoff_rtnet();
+ proto_reg_handoff_rtcfg();
}
G_MODULE_EXPORT void
@@ -737,6 +1066,9 @@
/* register the new protocol, protocol fields, and subtrees */
if (proto_rtnet == -1) { /* execute protocol initialization only once */
proto_register_rtnet();
+ }
+ if (proto_rtcfg == -1) { /* execute protocol initialization only once */
+ proto_register_rtcfg();
}
}
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