Convert: vlan, sll, rip to NEW_PROTO_TREE_API

svn path=/trunk/; revision=53175
This commit is contained in:
Jakub Zawadzki 2013-11-08 21:38:32 +00:00
parent b3a4b56ae9
commit 7e312c9bbc
3 changed files with 237 additions and 188 deletions

View File

@ -27,6 +27,8 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#define NEW_PROTO_TREE_API
#include "config.h"
#include <glib.h>
@ -82,18 +84,56 @@ static gboolean pref_display_routing_domain = FALSE;
void proto_reg_handoff_rip(void);
static int proto_rip = -1;
static int hf_rip_command = -1;
static int hf_rip_version = -1;
static int hf_rip_routing_domain = -1;
static int hf_rip_ip = -1;
static int hf_rip_netmask = -1;
static int hf_rip_next_hop = -1;
static int hf_rip_metric = -1;
static int hf_rip_auth = -1;
static int hf_rip_auth_passwd = -1;
static int hf_rip_family = -1;
static int hf_rip_route_tag = -1;
static dissector_handle_t rip_handle;
static header_field_info *hfi_rip = NULL;
#define RIP_HFI_INIT HFI_INIT(proto_rip)
static header_field_info hfi_rip_command RIP_HFI_INIT =
{ "Command", "rip.command", FT_UINT8, BASE_DEC,
VALS(command_vals), 0, "What type of RIP Command is this", HFILL };
static header_field_info hfi_rip_version RIP_HFI_INIT =
{ "Version", "rip.version", FT_UINT8, BASE_DEC,
VALS(version_vals), 0, "Version of the RIP protocol", HFILL };
static header_field_info hfi_rip_routing_domain RIP_HFI_INIT =
{ "Routing Domain", "rip.routing_domain", FT_UINT16, BASE_DEC,
NULL, 0, "RIPv2 Routing Domain", HFILL };
static header_field_info hfi_rip_ip RIP_HFI_INIT =
{ "IP Address", "rip.ip", FT_IPv4, BASE_NONE,
NULL, 0, NULL, HFILL};
static header_field_info hfi_rip_netmask RIP_HFI_INIT =
{ "Netmask", "rip.netmask", FT_IPv4, BASE_NONE,
NULL, 0, NULL, HFILL};
static header_field_info hfi_rip_next_hop RIP_HFI_INIT =
{ "Next Hop", "rip.next_hop", FT_IPv4, BASE_NONE,
NULL, 0, "Next Hop router for this route", HFILL};
static header_field_info hfi_rip_metric RIP_HFI_INIT =
{ "Metric", "rip.metric", FT_UINT16, BASE_DEC,
NULL, 0, "Metric for this route", HFILL };
static header_field_info hfi_rip_auth RIP_HFI_INIT =
{ "Authentication type", "rip.auth.type", FT_UINT16, BASE_DEC,
VALS(rip_auth_type), 0, "Type of authentication", HFILL };
static header_field_info hfi_rip_auth_passwd RIP_HFI_INIT =
{ "Password", "rip.auth.passwd", FT_STRING, BASE_NONE,
NULL, 0, "Authentication password", HFILL };
static header_field_info hfi_rip_family RIP_HFI_INIT =
{ "Address Family", "rip.family", FT_UINT16, BASE_DEC,
VALS(family_vals), 0, NULL, HFILL };
static header_field_info hfi_rip_route_tag RIP_HFI_INIT =
{ "Route Tag", "rip.route_tag", FT_UINT16, BASE_DEC,
NULL, 0, NULL, HFILL };
static gint ett_rip = -1;
static gint ett_rip_vec = -1;
@ -130,13 +170,13 @@ dissect_rip(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
val_to_str(command, command_vals, "Unknown command (%u)"));
if (tree) {
ti = proto_tree_add_item(tree, proto_rip, tvb, 0, -1, ENC_NA);
ti = proto_tree_add_item(tree, hfi_rip, tvb, 0, -1, ENC_NA);
rip_tree = proto_item_add_subtree(ti, ett_rip);
proto_tree_add_uint(rip_tree, hf_rip_command, tvb, 0, 1, command);
proto_tree_add_uint(rip_tree, hf_rip_version, tvb, 1, 1, version);
proto_tree_add_uint(rip_tree, &hfi_rip_command, tvb, 0, 1, command);
proto_tree_add_uint(rip_tree, &hfi_rip_version, tvb, 1, 1, version);
if (version == RIPv2 && pref_display_routing_domain == TRUE)
proto_tree_add_uint(rip_tree, hf_rip_routing_domain, tvb, 2, 2,
proto_tree_add_uint(rip_tree, &hfi_rip_routing_domain, tvb, 2, 2,
tvb_get_ntohs(tvb, 2));
/* skip header */
@ -191,16 +231,16 @@ dissect_unspec_rip_vektor(tvbuff_t *tvb, int offset, guint8 version,
metric);
rip_vektor_tree = proto_item_add_subtree(ti, ett_rip_vec);
proto_tree_add_item(rip_vektor_tree, hf_rip_family, tvb, offset, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(rip_vektor_tree, &hfi_rip_family, tvb, offset, 2, ENC_BIG_ENDIAN);
if (version == RIPv2) {
proto_tree_add_item(rip_vektor_tree, hf_rip_route_tag, tvb, offset+2, 2,
proto_tree_add_item(rip_vektor_tree, &hfi_rip_route_tag, tvb, offset+2, 2,
ENC_BIG_ENDIAN);
proto_tree_add_item(rip_vektor_tree, hf_rip_netmask, tvb, offset+8, 4,
proto_tree_add_item(rip_vektor_tree, &hfi_rip_netmask, tvb, offset+8, 4,
ENC_BIG_ENDIAN);
proto_tree_add_item(rip_vektor_tree, hf_rip_next_hop, tvb, offset+12, 4,
proto_tree_add_item(rip_vektor_tree, &hfi_rip_next_hop, tvb, offset+12, 4,
ENC_BIG_ENDIAN);
}
proto_tree_add_uint(rip_vektor_tree, hf_rip_metric, tvb,
proto_tree_add_uint(rip_vektor_tree, &hfi_rip_metric, tvb,
offset+16, 4, metric);
}
@ -218,21 +258,21 @@ dissect_ip_rip_vektor(tvbuff_t *tvb, int offset, guint8 version,
tvb_ip_to_str(tvb, offset+4), metric);
rip_vektor_tree = proto_item_add_subtree(ti, ett_rip_vec);
proto_tree_add_item(rip_vektor_tree, hf_rip_family, tvb, offset, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(rip_vektor_tree, &hfi_rip_family, tvb, offset, 2, ENC_BIG_ENDIAN);
if (version == RIPv2) {
proto_tree_add_item(rip_vektor_tree, hf_rip_route_tag, tvb, offset+2, 2,
proto_tree_add_item(rip_vektor_tree, &hfi_rip_route_tag, tvb, offset+2, 2,
ENC_BIG_ENDIAN);
}
proto_tree_add_item(rip_vektor_tree, hf_rip_ip, tvb, offset+4, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(rip_vektor_tree, &hfi_rip_ip, tvb, offset+4, 4, ENC_BIG_ENDIAN);
if (version == RIPv2) {
proto_tree_add_item(rip_vektor_tree, hf_rip_netmask, tvb, offset+8, 4,
proto_tree_add_item(rip_vektor_tree, &hfi_rip_netmask, tvb, offset+8, 4,
ENC_BIG_ENDIAN);
proto_tree_add_item(rip_vektor_tree, hf_rip_next_hop, tvb, offset+12, 4,
proto_tree_add_item(rip_vektor_tree, &hfi_rip_next_hop, tvb, offset+12, 4,
ENC_BIG_ENDIAN);
}
proto_tree_add_uint(rip_vektor_tree, hf_rip_metric, tvb,
proto_tree_add_uint(rip_vektor_tree, &hfi_rip_metric, tvb,
offset+16, 4, metric);
}
@ -251,13 +291,13 @@ dissect_rip_authentication(tvbuff_t *tvb, int offset, proto_tree *tree)
"Authentication: %s", val_to_str( authtype, rip_auth_type, "Unknown (%u)" ) );
rip_authentication_tree = proto_item_add_subtree(ti, ett_rip_vec);
proto_tree_add_uint(rip_authentication_tree, hf_rip_auth, tvb, offset+2, 2,
proto_tree_add_uint(rip_authentication_tree, &hfi_rip_auth, tvb, offset+2, 2,
authtype);
switch ( authtype ) {
case AUTH_PASSWORD: /* Plain text password */
proto_tree_add_item(rip_authentication_tree, hf_rip_auth_passwd,
proto_tree_add_item(rip_authentication_tree, &hfi_rip_auth_passwd,
tvb, offset+4, 16, ENC_ASCII|ENC_NA);
break;
@ -291,52 +331,22 @@ dissect_rip_authentication(tvbuff_t *tvb, int offset, proto_tree *tree)
void
proto_register_rip(void)
{
static hf_register_info hf[] = {
{ &hf_rip_command,
{ "Command", "rip.command", FT_UINT8, BASE_DEC,
VALS(command_vals), 0, "What type of RIP Command is this", HFILL }},
{ &hf_rip_version,
{ "Version", "rip.version", FT_UINT8, BASE_DEC,
VALS(version_vals), 0, "Version of the RIP protocol", HFILL }},
{ &hf_rip_family,
{ "Address Family", "rip.family", FT_UINT16, BASE_DEC,
VALS(family_vals), 0, NULL, HFILL }},
{ &hf_rip_routing_domain,
{ "Routing Domain", "rip.routing_domain", FT_UINT16, BASE_DEC,
NULL, 0, "RIPv2 Routing Domain", HFILL }},
{ &hf_rip_ip,
{ "IP Address", "rip.ip", FT_IPv4, BASE_NONE,
NULL, 0, NULL, HFILL}},
{ &hf_rip_netmask,
{ "Netmask", "rip.netmask", FT_IPv4, BASE_NONE,
NULL, 0, NULL, HFILL}},
{ &hf_rip_next_hop,
{ "Next Hop", "rip.next_hop", FT_IPv4, BASE_NONE,
NULL, 0, "Next Hop router for this route", HFILL}},
{ &hf_rip_metric,
{ "Metric", "rip.metric", FT_UINT16, BASE_DEC,
NULL, 0, "Metric for this route", HFILL }},
{ &hf_rip_auth,
{ "Authentication type", "rip.auth.type", FT_UINT16, BASE_DEC,
VALS(rip_auth_type), 0, "Type of authentication", HFILL }},
{ &hf_rip_auth_passwd,
{ "Password", "rip.auth.passwd", FT_STRING, BASE_NONE,
NULL, 0, "Authentication password", HFILL }},
{ &hf_rip_route_tag,
{ "Route Tag", "rip.route_tag", FT_UINT16, BASE_DEC,
NULL, 0, NULL, HFILL }},
#ifndef HAVE_HFI_SECTION_INIT
static header_field_info *hfi[] = {
&hfi_rip_command,
&hfi_rip_version,
&hfi_rip_family,
&hfi_rip_routing_domain,
&hfi_rip_ip,
&hfi_rip_netmask,
&hfi_rip_next_hop,
&hfi_rip_metric,
&hfi_rip_auth,
&hfi_rip_auth_passwd,
&hfi_rip_route_tag,
};
#endif /* HAVE_HFI_SECTION_INIT */
static gint *ett[] = {
&ett_rip,
&ett_rip_vec,
@ -344,22 +354,24 @@ proto_register_rip(void)
};
module_t *rip_module;
int proto_rip;
proto_rip = proto_register_protocol("Routing Information Protocol",
"RIP", "rip");
proto_register_field_array(proto_rip, hf, array_length(hf));
hfi_rip = proto_registrar_get_nth(proto_rip);
proto_register_fields(proto_rip, hfi, array_length(hfi));
proto_register_subtree_array(ett, array_length(ett));
rip_module = prefs_register_protocol(proto_rip, proto_reg_handoff_rip);
prefs_register_bool_preference(rip_module, "display_routing_domain", "Display Routing Domain field", "Display the third and forth bytes of the RIPv2 header as the Routing Domain field (introduced in RFC 1388 [January 1993] and obsolete as of RFC 1723 [November 1994])", &pref_display_routing_domain);
rip_handle = create_dissector_handle(dissect_rip, proto_rip);
}
void
proto_reg_handoff_rip(void)
{
dissector_handle_t rip_handle;
rip_handle = create_dissector_handle(dissect_rip, proto_rip);
dissector_add_uint("udp.port", UDP_PORT_RIP, rip_handle);
}

View File

@ -22,6 +22,8 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#define NEW_PROTO_TREE_API
#include "config.h"
#include <glib.h>
@ -37,20 +39,6 @@
#include <epan/addr_resolv.h>
#include <epan/etypes.h>
static int proto_sll = -1;
static int hf_sll_pkttype = -1;
static int hf_sll_hatype = -1;
static int hf_sll_halen = -1;
static int hf_sll_src_eth = -1;
static int hf_sll_src_ipv4 = -1;
static int hf_sll_src_other = -1;
static int hf_sll_ltype = -1;
static int hf_sll_gretype = -1;
static int hf_sll_etype = -1;
static int hf_sll_trailer = -1;
static gint ett_sll = -1;
/*
* A DLT_LINUX_SLL fake link-layer header.
*/
@ -86,6 +74,63 @@ static const value_string ltype_vals[] = {
{ 0, NULL }
};
static dissector_handle_t sll_handle;
static header_field_info *hfi_sll = NULL;
#define SLL_HFI_INIT HFI_INIT(proto_sll)
static header_field_info hfi_sll_pkttype SLL_HFI_INIT =
{ "Packet type", "sll.pkttype", FT_UINT16, BASE_DEC,
VALS(packet_type_vals), 0x0, NULL, HFILL };
/* ARP hardware type? With Linux extensions? */
static header_field_info hfi_sll_hatype SLL_HFI_INIT =
{ "Link-layer address type", "sll.hatype", FT_UINT16, BASE_DEC,
NULL, 0x0, NULL, HFILL };
static header_field_info hfi_sll_halen SLL_HFI_INIT =
{ "Link-layer address length", "sll.halen", FT_UINT16, BASE_DEC,
NULL, 0x0, NULL, HFILL };
/* Source address if it's an Ethernet-type address */
static header_field_info hfi_sll_src_eth SLL_HFI_INIT =
{ "Source", "sll.src.eth", FT_ETHER, BASE_NONE,
NULL, 0x0, "Source link-layer address", HFILL };
/* Source address if it's an IPv4 address */
static header_field_info hfi_sll_src_ipv4 SLL_HFI_INIT =
{ "Source", "sll.src.ipv4", FT_IPv4, BASE_NONE,
NULL, 0x0, "Source link-layer address", HFILL };
/* Source address if it's not an Ethernet-type address */
static header_field_info hfi_sll_src_other SLL_HFI_INIT =
{ "Source", "sll.src.other", FT_BYTES, BASE_NONE,
NULL, 0x0, "Source link-layer address", HFILL };
/* if the protocol field is an internal Linux protocol type */
static header_field_info hfi_sll_ltype SLL_HFI_INIT =
{ "Protocol", "sll.ltype", FT_UINT16, BASE_HEX,
VALS(ltype_vals), 0x0, "Linux protocol type", HFILL };
/* if the protocol field is a GRE protocol type */
static header_field_info hfi_sll_gretype SLL_HFI_INIT =
{ "Protocol", "sll.gretype", FT_UINT16, BASE_HEX,
VALS(gre_typevals), 0x0, "GRE protocol type", HFILL };
/* registered here but handled in ethertype.c */
static header_field_info hfi_sll_etype SLL_HFI_INIT =
{ "Protocol", "sll.etype", FT_UINT16, BASE_HEX,
VALS(etype_vals), 0x0, "Ethernet protocol type", HFILL };
static header_field_info hfi_sll_trailer SLL_HFI_INIT =
{ "Trailer", "sll.trailer", FT_BYTES, BASE_NONE,
NULL, 0x0, NULL, HFILL };
static gint ett_sll = -1;
static dissector_table_t sll_linux_dissector_table;
static dissector_table_t gre_dissector_table;
static dissector_handle_t data_handle;
@ -181,10 +226,10 @@ dissect_sll(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
val_to_str(pkttype, packet_type_vals, "Unknown (%u)"));
if (tree) {
ti = proto_tree_add_protocol_format(tree, proto_sll, tvb, 0,
ti = proto_tree_add_protocol_format(tree, hfi_sll->id, tvb, 0,
SLL_HEADER_SIZE, "Linux cooked capture");
fh_tree = proto_item_add_subtree(ti, ett_sll);
proto_tree_add_item(fh_tree, hf_sll_pkttype, tvb, 0, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(fh_tree, &hfi_sll_pkttype, tvb, 0, 2, ENC_BIG_ENDIAN);
}
/*
@ -194,8 +239,8 @@ dissect_sll(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
hatype = tvb_get_ntohs(tvb, 2);
halen = tvb_get_ntohs(tvb, 4);
if (tree) {
proto_tree_add_uint(fh_tree, hf_sll_hatype, tvb, 2, 2, hatype);
proto_tree_add_uint(fh_tree, hf_sll_halen, tvb, 4, 2, halen);
proto_tree_add_uint(fh_tree, &hfi_sll_hatype, tvb, 2, 2, hatype);
proto_tree_add_uint(fh_tree, &hfi_sll_halen, tvb, 4, 2, halen);
}
switch (halen) {
case 4:
@ -203,7 +248,7 @@ dissect_sll(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
SET_ADDRESS(&pinfo->dl_src, AT_IPv4, 4, src);
SET_ADDRESS(&pinfo->src, AT_IPv4, 4, src);
if (tree) {
proto_tree_add_item(fh_tree, hf_sll_src_ipv4, tvb,
proto_tree_add_item(fh_tree, &hfi_sll_src_ipv4, tvb,
6, 4, ENC_BIG_ENDIAN);
}
break;
@ -212,7 +257,7 @@ dissect_sll(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
SET_ADDRESS(&pinfo->dl_src, AT_ETHER, 6, src);
SET_ADDRESS(&pinfo->src, AT_ETHER, 6, src);
if (tree) {
proto_tree_add_ether(fh_tree, hf_sll_src_eth, tvb,
proto_tree_add_ether(fh_tree, hfi_sll_src_eth.id, tvb,
6, 6, src);
}
break;
@ -220,7 +265,7 @@ dissect_sll(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
break;
default:
if (tree) {
proto_tree_add_item(fh_tree, hf_sll_src_other, tvb,
proto_tree_add_item(fh_tree, &hfi_sll_src_other, tvb,
6, halen > 8 ? 8 : halen, ENC_NA);
}
break;
@ -236,7 +281,7 @@ dissect_sll(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
* be trailer data.
* XXX - do the same thing we do for packets with Ethertypes?
*/
proto_tree_add_uint(fh_tree, hf_sll_ltype, tvb, 14, 2,
proto_tree_add_uint(fh_tree, &hfi_sll_ltype, tvb, 14, 2,
protocol);
if(!dissector_try_uint(sll_linux_dissector_table, protocol,
@ -246,14 +291,14 @@ dissect_sll(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
} else {
switch (hatype) {
case ARPHRD_IPGRE:
proto_tree_add_uint(fh_tree, hf_sll_gretype, tvb, 14, 2,
proto_tree_add_uint(fh_tree, &hfi_sll_gretype, tvb, 14, 2,
protocol);
dissector_try_uint(gre_dissector_table,
protocol, next_tvb, pinfo, tree);
break;
default:
ethertype(protocol, tvb, SLL_HEADER_SIZE, pinfo, tree,
fh_tree, hf_sll_etype, hf_sll_trailer, 0);
fh_tree, hfi_sll_etype.id, hfi_sll_trailer.id, 0);
break;
}
}
@ -262,63 +307,38 @@ dissect_sll(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
void
proto_register_sll(void)
{
static hf_register_info hf[] = {
{ &hf_sll_pkttype,
{ "Packet type", "sll.pkttype", FT_UINT16, BASE_DEC,
VALS(packet_type_vals), 0x0, NULL, HFILL }},
#ifndef HAVE_HFI_SECTION_INIT
static header_field_info *hfi[] = {
&hfi_sll_pkttype,
/* ARP hardware type? With Linux extensions? */
{ &hf_sll_hatype,
{ "Link-layer address type", "sll.hatype", FT_UINT16, BASE_DEC,
NULL, 0x0, NULL, HFILL }},
{ &hf_sll_halen,
{ "Link-layer address length", "sll.halen", FT_UINT16, BASE_DEC,
NULL, 0x0, NULL, HFILL }},
/* Source address if it's an Ethernet-type address */
{ &hf_sll_src_eth,
{ "Source", "sll.src.eth", FT_ETHER, BASE_NONE, NULL, 0x0,
"Source link-layer address", HFILL }},
/* Source address if it's an IPv4 address */
{ &hf_sll_src_ipv4,
{ "Source", "sll.src.ipv4", FT_IPv4, BASE_NONE, NULL, 0x0,
"Source link-layer address", HFILL }},
/* Source address if it's not an Ethernet-type address */
{ &hf_sll_src_other,
{ "Source", "sll.src.other", FT_BYTES, BASE_NONE, NULL, 0x0,
"Source link-layer address", HFILL }},
/* if the protocol field is an internal Linux protocol type */
{ &hf_sll_ltype,
{ "Protocol", "sll.ltype", FT_UINT16, BASE_HEX,
VALS(ltype_vals), 0x0, "Linux protocol type", HFILL }},
/* if the protocol field is a GRE protocol type */
{ &hf_sll_gretype,
{ "Protocol", "sll.gretype", FT_UINT16, BASE_HEX,
VALS(gre_typevals), 0x0, "GRE protocol type", HFILL }},
&hfi_sll_hatype,
&hfi_sll_halen,
&hfi_sll_src_eth,
&hfi_sll_src_ipv4,
&hfi_sll_src_other,
&hfi_sll_ltype,
&hfi_sll_gretype,
/* registered here but handled in ethertype.c */
{ &hf_sll_etype,
{ "Protocol", "sll.etype", FT_UINT16, BASE_HEX,
VALS(etype_vals), 0x0, "Ethernet protocol type", HFILL }},
{ &hf_sll_trailer,
{ "Trailer", "sll.trailer", FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }}
&hfi_sll_etype,
&hfi_sll_trailer,
};
#endif
static gint *ett[] = {
&ett_sll
};
int proto_sll;
proto_sll = proto_register_protocol("Linux cooked-mode capture",
"SLL", "sll" );
proto_register_field_array(proto_sll, hf, array_length(hf));
hfi_sll = proto_registrar_get_nth(proto_sll);
proto_register_fields(proto_sll, hfi, array_length(hfi));
proto_register_subtree_array(ett, array_length(ett));
sll_handle = create_dissector_handle(dissect_sll, proto_sll);
sll_linux_dissector_table = register_dissector_table (
"sll.ltype",
"Linux SLL protocol type",
@ -330,14 +350,11 @@ proto_register_sll(void)
void
proto_reg_handoff_sll(void)
{
dissector_handle_t sll_handle;
/*
* Get handles for the IPX and LLC dissectors.
*/
gre_dissector_table = find_dissector_table("gre.proto");
data_handle = find_dissector("data");
sll_handle = create_dissector_handle(dissect_sll, proto_sll);
dissector_add_uint("wtap_encap", WTAP_ENCAP_SLL, sll_handle);
}

View File

@ -22,6 +22,8 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#define NEW_PROTO_TREE_API
#include "config.h"
#include <glib.h>
@ -40,17 +42,12 @@ static unsigned int q_in_q_ethertype = 0x9100;
static gboolean vlan_summary_in_tree = TRUE;
static int proto_vlan = -1;
static int hf_vlan_priority = -1;
static int hf_vlan_cfi = -1;
static int hf_vlan_id = -1;
static int hf_vlan_etype = -1;
static int hf_vlan_len = -1;
static int hf_vlan_trailer = -1;
static gint ett_vlan = -1;
static dissector_handle_t vlan_handle;
static expert_field ei_vlan_len = EI_INIT;
static header_field_info *hfi_vlan = NULL;
#define VLAN_HFI_INIT HFI_INIT(proto_vlan)
/* From Table G-2 of IEEE standard 802.1D-2004 */
static const value_string pri_vals[] = {
@ -65,12 +62,40 @@ static const value_string pri_vals[] = {
{ 0, NULL }
};
static header_field_info hfi_vlan_priority VLAN_HFI_INIT = {
"Priority", "vlan.priority", FT_UINT16, BASE_DEC,
VALS(pri_vals), 0xE000, "Descriptions are recommendations from IEEE standard 802.1D-2004", HFILL };
static const value_string cfi_vals[] = {
{ 0, "Canonical" },
{ 1, "Non-canonical" },
{ 0, NULL }
};
static header_field_info hfi_vlan_cfi VLAN_HFI_INIT = {
"CFI", "vlan.cfi", FT_UINT16, BASE_DEC,
VALS(cfi_vals), 0x1000, "Canonical Format Identifier", HFILL };
static header_field_info hfi_vlan_id VLAN_HFI_INIT = {
"ID", "vlan.id", FT_UINT16, BASE_DEC,
NULL, 0x0FFF, "VLAN ID", HFILL };
static header_field_info hfi_vlan_etype VLAN_HFI_INIT = {
"Type", "vlan.etype", FT_UINT16, BASE_HEX,
VALS(etype_vals), 0x0, "Ethertype", HFILL };
static header_field_info hfi_vlan_len VLAN_HFI_INIT = {
"Length", "vlan.len", FT_UINT16, BASE_DEC,
NULL, 0x0, NULL, HFILL };
static header_field_info hfi_vlan_trailer VLAN_HFI_INIT = {
"Trailer", "vlan.trailer", FT_BYTES, BASE_NONE,
NULL, 0x0, "VLAN Trailer", HFILL };
static gint ett_vlan = -1;
static expert_field ei_vlan_len = EI_INIT;
void
capture_vlan(const guchar *pd, int offset, int len, packet_counts *ld ) {
@ -112,7 +137,7 @@ dissect_vlan(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
vlan_tree = NULL;
if (tree) {
ti = proto_tree_add_item(tree, proto_vlan, tvb, 0, 4, ENC_NA);
ti = proto_tree_add_item(tree, hfi_vlan, tvb, 0, 4, ENC_NA);
if (vlan_summary_in_tree) {
proto_item_append_text(ti, ", PRI: %u, CFI: %u, ID: %u",
@ -121,9 +146,9 @@ dissect_vlan(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
vlan_tree = proto_item_add_subtree(ti, ett_vlan);
proto_tree_add_item(vlan_tree, hf_vlan_priority, tvb, 0, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(vlan_tree, hf_vlan_cfi, tvb, 0, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(vlan_tree, hf_vlan_id, tvb, 0, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(vlan_tree, &hfi_vlan_priority, tvb, 0, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(vlan_tree, &hfi_vlan_cfi, tvb, 0, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(vlan_tree, &hfi_vlan_id, tvb, 0, 2, ENC_BIG_ENDIAN);
}
encap_proto = tvb_get_ntohs(tvb, 2);
@ -145,47 +170,43 @@ dissect_vlan(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
}
dissect_802_3(encap_proto, is_802_2, tvb, 4, pinfo, tree, vlan_tree,
hf_vlan_len, hf_vlan_trailer, &ei_vlan_len, 0);
hfi_vlan_len.id, hfi_vlan_trailer.id, &ei_vlan_len, 0);
} else {
ethertype(encap_proto, tvb, 4, pinfo, tree, vlan_tree,
hf_vlan_etype, hf_vlan_trailer, 0);
hfi_vlan_etype.id, hfi_vlan_trailer.id, 0);
}
}
void
proto_register_vlan(void)
{
static hf_register_info hf[] = {
{ &hf_vlan_priority, {
"Priority", "vlan.priority", FT_UINT16, BASE_DEC,
VALS(pri_vals), 0xE000, "Descriptions are recommendations from IEEE standard 802.1D-2004", HFILL }},
{ &hf_vlan_cfi, {
"CFI", "vlan.cfi", FT_UINT16, BASE_DEC,
VALS(cfi_vals), 0x1000, "Canonical Format Identifier", HFILL }},
{ &hf_vlan_id, {
"ID", "vlan.id", FT_UINT16, BASE_DEC,
NULL, 0x0FFF, "VLAN ID", HFILL }},
{ &hf_vlan_etype, {
"Type", "vlan.etype", FT_UINT16, BASE_HEX,
VALS(etype_vals), 0x0, "Ethertype", HFILL }},
{ &hf_vlan_len, {
"Length", "vlan.len", FT_UINT16, BASE_DEC,
NULL, 0x0, NULL, HFILL }},
{ &hf_vlan_trailer, {
"Trailer", "vlan.trailer", FT_BYTES, BASE_NONE,
NULL, 0x0, "VLAN Trailer", HFILL }}
#ifndef HAVE_HFI_SECTION_INIT
static header_field_info *hfi[] = {
&hfi_vlan_priority,
&hfi_vlan_cfi,
&hfi_vlan_id,
&hfi_vlan_etype,
&hfi_vlan_len,
&hfi_vlan_trailer,
};
#endif /* HAVE_HFI_SECTION_INIT */
static gint *ett[] = {
&ett_vlan
};
static ei_register_info ei[] = {
{ &ei_vlan_len, { "vlan.len.past_end", PI_MALFORMED, PI_ERROR, "Length field value goes past the end of the payload", EXPFILL }},
};
module_t *vlan_module;
expert_module_t* expert_vlan;
int proto_vlan;
proto_vlan = proto_register_protocol("802.1Q Virtual LAN", "VLAN", "vlan");
proto_register_field_array(proto_vlan, hf, array_length(hf));
hfi_vlan = proto_registrar_get_nth(proto_vlan);
proto_register_fields(proto_vlan, hfi, array_length(hfi));
proto_register_subtree_array(ett, array_length(ett));
expert_vlan = expert_register_protocol(proto_vlan);
expert_register_field_array(expert_vlan, ei, array_length(ei));
@ -200,18 +221,17 @@ proto_register_vlan(void)
"The (hexadecimal) Ethertype used to indicate 802.1QinQ VLAN in VLAN tunneling.",
16, &q_in_q_ethertype);
vlan_handle = create_dissector_handle(dissect_vlan, proto_vlan);
}
void
proto_reg_handoff_vlan(void)
{
static gboolean prefs_initialized = FALSE;
static dissector_handle_t vlan_handle;
static unsigned int old_q_in_q_ethertype;
if (!prefs_initialized)
{
vlan_handle = create_dissector_handle(dissect_vlan, proto_vlan);
dissector_add_uint("ethertype", ETHERTYPE_VLAN, vlan_handle);
prefs_initialized = TRUE;
}