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wireshark/epan/dissectors/packet-slimp3.c

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/* packet-slimp3.c
* Routines for SliMP3 protocol dissection
*
* Ashok Narayanan <ashokn@cisco.com>
*
* Adds support for the data packet protocol for the SliMP3
* See www.slimdevices.com for details.
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "config.h"
#include <epan/packet.h>
#include <epan/to_str.h>
void proto_register_slimp3(void);
void proto_reg_handoff_slimp3(void);
static int proto_slimp3 = -1;
static int hf_slimp3_opcode = -1;
static int hf_slimp3_control = -1;
static int hf_slimp3_uptime = -1;
static int hf_slimp3_code_id = -1;
static int hf_slimp3_code_bits = -1;
static int hf_slimp3_infrared_slimp3 = -1;
static int hf_slimp3_infrared_jvc = -1;
static int hf_slimp3_infrared = -1;
static int hf_slimp3_device_id = -1;
static int hf_slimp3_fw_rev = -1;
static int hf_slimp3_data_offset = -1;
static int hf_slimp3_data_command = -1;
static int hf_slimp3_data_write_pointer = -1;
static int hf_slimp3_data_sequence = -1;
static int hf_slimp3_disc_rsp_server_ip = -1;
static int hf_slimp3_disc_rsp_server_port = -1;
static int hf_slimp3_data_ack_write_pointer = -1;
static int hf_slimp3_data_ack_read_pointer = -1;
static int hf_slimp3_data_ack_sequence = -1;
static int hf_slimp3_data_req_offset = -1;
/* Generated from convert_proto_tree_add_text.pl */
static int hf_slimp3_display_delay = -1;
static int hf_slimp3_display_string = -1;
static int hf_slimp3_display_command = -1;
static int hf_slimp3_display_unknown = -1;
static int hf_slimp3_hello_response_client_server = -1;
static int hf_slimp3_hello_request_server_client = -1;
static int hf_slimp3_i2c_response_client_server = -1;
static int hf_slimp3_i2c_request_server_client = -1;
static int hf_slimp3_data_length = -1;
static int hf_slimp3_data_data = -1;
static gint ett_slimp3 = -1;
#define UDP_PORT_SLIMP3_V1 1069 /* Not IANA registered */
#define UDP_PORT_SLIMP3_V2 3483
#define UDP_PORT_SLIMP3_RANGE "1069,3483"
#define SLIMP3_IR 'i'
#define SLIMP3_CONTROL 's'
#define SLIMP3_HELLO 'h'
#define SLIMP3_DATA 'm'
#define SLIMP3_DATA_REQ 'r'
#define SLIMP3_DISPLAY 'l'
#define SLIMP3_I2C '2'
#define SLIMP3_DISC_REQ 'd'
#define SLIMP3_DISC_RSP 'D'
#define SLIMP3_DATA_ACK 'a'
static const value_string slimp3_opcode_vals[] = {
{ SLIMP3_IR, "Infrared Remote Code" },
{ SLIMP3_CONTROL, "Stream Control" },
{ SLIMP3_DATA, "MPEG Data" },
{ SLIMP3_DATA_REQ, "Data Request" },
{ SLIMP3_HELLO, "Hello" },
{ SLIMP3_DISPLAY, "Display" },
{ SLIMP3_I2C, "I2C" },
{ SLIMP3_DISC_REQ, "Discovery Request" },
{ SLIMP3_DISC_RSP, "Discovery Response" },
{ SLIMP3_DATA_ACK, "Ack" },
{ 0, NULL }
};
/* IR remote control types */
static const value_string slimp3_ir_types[] = {
{ 0x02, "SLIMP3" },
{ 0xff, "JVC DVD Player" },
{ 0, NULL }
};
/* IR codes for the custom SLIMP3 remote control */
static const value_string slimp3_ir_codes_slimp3[] = {
{ 0x768900ff, "voldown" },
{ 0x768904fb, "brightness" },
{ 0x768908f7, "2" },
{ 0x768910ef, "play" },
{ 0x768920df, "pause" },
{ 0x768928d7, "6" },
{ 0x768938c7, "repeat" },
{ 0x768940bf, "power" },
{ 0x768948b7, "4" },
{ 0x768958a7, "search" },
{ 0x7689609f, "add" },
{ 0x76896897, "8" },
{ 0x76897887, "now_playing" },
{ 0x7689807f, "volup" },
{ 0x76898877, "3" },
{ 0x7689906f, "arrow_left" },
{ 0x76899867, "0" },
{ 0x7689a05f, "fwd" },
{ 0x7689a857, "7" },
{ 0x7689b04f, "arrow_down" },
{ 0x7689b847, "sleep" },
{ 0x7689c03f, "rew" },
{ 0x7689c837, "5" },
{ 0x7689d02f, "arrow_right" },
{ 0x7689d827, "shuffle" },
{ 0x7689e01f, "arrow_up" },
{ 0x7689e817, "9" },
{ 0x7689f00f, "1" },
{ 0x7689f807, "size" },
{ 0, NULL }
};
static value_string_ext slimp3_ir_codes_slimp3_ext = VALUE_STRING_EXT_INIT(slimp3_ir_codes_slimp3);
/* IR codes for the JVC remote control */
static const value_string slimp3_ir_codes_jvc[] = {
{ 0xf786, "One" },
{ 0xf746, "Two" },
{ 0xf7c6, "Three" },
{ 0xf726, "Four" },
{ 0xf7a6, "Five" },
{ 0xf766, "Six" },
{ 0xf7e6, "Seven" },
{ 0xf716, "Eight" },
{ 0xf796, "Nine" },
{ 0xf776, "Ten" },
{ 0xf7f6, "Picture-In-Picture" },
/* { 0xf7XX, "Enter" }, */
{ 0xf70e, "Back" },
{ 0xf732, "Play" },
{ 0xf76e, "Forward" },
{ 0xf743, "Record" },
{ 0xf7c2, "Stop" },
{ 0xf7b2, "Pause" },
/* { 0xf7XX, "TV/Video" }, */
{ 0xf703, "Display" },
{ 0xf7b3, "Sleep" },
{ 0xf7b6, "Guide" },
{ 0xf70b, "Up" },
{ 0xf74b, "Left" },
{ 0xf7cb, "Right" },
{ 0xf78b, "Down" },
{ 0xf783, "Menu" },
{ 0xf72b, "OK" },
{ 0xf778, "Volume Up" },
{ 0xf7f8, "Volume Down" },
{ 0xf70d, "Channel Up" },
{ 0xf78d, "Channel Down" },
/* { 0xf7XX, "Mute" }, */
{ 0xf7ab, "Recall" },
{ 0xf702, "Power" },
{ 0, NULL }
};
static const value_string slimp3_display_commands[] = {
{ 0x1, "Clear Display"},
{ 0x2, "Cursor to 1st Line Home"},
{ 0x4, "Mode: Decrement Address, Shift Cursor"},
{ 0x5, "Mode: Decrement Address, Shift Display"},
{ 0x6, "Mode: Increment Address, Shift Cursor"},
{ 0x7, "Mode: Increment Address, Shift Display"},
{ 0x8, "Display Off"},
{ 0xd, "Display On, With Blinking"},
{ 0xe, "Display On, With Cursor"},
{ 0xf, "Display On, With Cursor And Blinking"},
{ 0x10, "Move Cursor Left"},
{ 0x14, "Move Cursor Right"},
{ 0x18, "Shift Display Left"},
{ 0x1b, "Shift Display Right"},
{ 0x30, "Set (8-bit)"},
{ 0x20, "Set (4-bit)"},
{ 0xa0, "Cursor to Top Right"},
{ 0xc0, "Cursor to 2nd Line Home"},
{ 0, NULL},
};
static const value_string slimp3_display_fset8[] = {
{ 0x0, "Brightness 100%"},
{ 0x1, "Brightness 75%"},
{ 0x2, "Brightness 50%"},
{ 0x3, "Brightness 25%"},
{ 0, NULL },
};
static const value_string slimp3_stream_control[] = {
{ 1, "Reset buffer, Start New Stream"},
{ 2, "Pause Playback"},
{ 4, "Resume Playback"},
{ 0, NULL },
};
static const value_string slimp3_mpg_control[] = {
{ 0, "Go"}, /* Run the decoder */
{ 1, "Stop"}, /* Halt decoder but don't reset rptr */
{ 3, "Reset"}, /* Halt decoder and reset rptr */
{ 0, NULL }
};
#define MAX_LCD_STR_LEN 128
static int
dissect_slimp3(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
{
const char *opcode_str;
proto_tree *slimp3_tree;
proto_item *ti;
gint i1;
gint offset = 0;
guint16 opcode;
guchar lcd_char;
char lcd_str[MAX_LCD_STR_LEN + 1];
int to_server = FALSE;
int old_protocol = FALSE;
address tmp_addr;
gboolean in_str;
int lcd_strlen;
/*
* If it doesn't begin with a known opcode, reject it, so that
* traffic that happens to be do or from one of our ports
* doesn't get misidentified as SliMP3 traffic.
*/
if (!tvb_bytes_exist(tvb, offset, 1))
return 0; /* not even an opcode */
opcode = tvb_get_guint8(tvb, offset);
opcode_str = try_val_to_str(opcode, slimp3_opcode_vals);
if (opcode_str == NULL)
return 0;
col_set_str(pinfo->cinfo, COL_PROTOCOL, "SliMP3");
col_add_str(pinfo->cinfo, COL_INFO, opcode_str);
ti = proto_tree_add_item(tree, proto_slimp3, tvb, offset, -1, ENC_NA);
slimp3_tree = proto_item_add_subtree(ti, ett_slimp3);
proto_tree_add_uint(slimp3_tree, hf_slimp3_opcode, tvb,
offset, 1, opcode);
/* The new protocol (v1.3 and later) uses an IANA-assigned port number.
* It usually uses the same number for both sizes of the conversation, so
* the port numbers can't always be used to determine client and server.
* The new protocol places the clients MAC address in the packet, so that
* is used to identify packets originating at the client.
*/
if ((pinfo->destport == UDP_PORT_SLIMP3_V2) && (pinfo->srcport == UDP_PORT_SLIMP3_V2)) {
set_address_tvb(&tmp_addr, AT_ETHER, 6, tvb, offset+12);
to_server = addresses_equal(&tmp_addr, &pinfo->dl_src);
}
else if (pinfo->destport == UDP_PORT_SLIMP3_V2) {
to_server = TRUE;
}
else if (pinfo->srcport == UDP_PORT_SLIMP3_V2) {
to_server = FALSE;
}
if (pinfo->destport == UDP_PORT_SLIMP3_V1) {
to_server = TRUE;
old_protocol = TRUE;
}
else if (pinfo->srcport == UDP_PORT_SLIMP3_V1) {
to_server = FALSE;
old_protocol = TRUE;
}
switch (opcode) {
case SLIMP3_IR:
/* IR code
*
* [0] 'i' as in "IR"
* [1] 0x00
* [2..5] player's time since startup in ticks @625 KHz
* [6] IR code id, ff=JVC, 02=SLIMP3
* [7] number of meaningful bits - 16 for JVC, 32 for SLIMP3
* [8..11] the 32-bit IR code
* [12..17] reserved
*/
if (tree) {
i1 = tvb_get_ntohl(tvb, offset+2);
proto_tree_add_uint_format_value(slimp3_tree, hf_slimp3_uptime, tvb, offset+2, 4, i1,
"%u sec (%u ticks)", i1/625000, i1);
proto_tree_add_item(slimp3_tree, hf_slimp3_code_id, tvb, offset+6, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(slimp3_tree, hf_slimp3_code_bits, tvb, offset+7, 1, ENC_BIG_ENDIAN);
i1 = tvb_get_ntohl(tvb, offset+8);
/* Check the code to figure out which remote is being used. */
if (tvb_get_guint8(tvb, offset+6) == 0x02 &&
tvb_get_guint8(tvb, offset+7) == 32) {
/* This is the custom SLIMP3 remote. */
proto_tree_add_item(slimp3_tree, hf_slimp3_infrared_slimp3, tvb, offset+8, 4, ENC_BIG_ENDIAN);
col_append_fstr(pinfo->cinfo, COL_INFO, ", SLIMP3: %s",
val_to_str_ext(i1, &slimp3_ir_codes_slimp3_ext, "Unknown (0x%0x)"));
}
else if (tvb_get_guint8(tvb, offset+6) == 0xff &&
tvb_get_guint8(tvb, offset+7) == 16) {
/* This is a JVC DVD player remote */
proto_tree_add_item(slimp3_tree, hf_slimp3_infrared_jvc, tvb, offset+8, 4, ENC_BIG_ENDIAN);
col_append_fstr(pinfo->cinfo, COL_INFO, ", JVC: %s",
val_to_str(i1, slimp3_ir_codes_jvc, "Unknown (0x%0x)"));
} else {
/* Unknown code; just write it */
proto_tree_add_item(slimp3_tree, hf_slimp3_infrared, tvb, offset+8, 4, ENC_BIG_ENDIAN);
col_append_fstr(pinfo->cinfo, COL_INFO, ", 0x%0x", i1);
}
}
break;
case SLIMP3_DISPLAY:
if (tree) {
guint8 value;
/* Loop through the commands */
i1 = 18;
in_str = FALSE;
lcd_strlen = 0;
while (i1 < tvb_reported_length_remaining(tvb, offset)) {
switch(tvb_get_guint8(tvb, offset + i1)) {
case 0:
in_str = FALSE;
lcd_strlen = 0;
proto_tree_add_item(slimp3_tree, hf_slimp3_display_delay, tvb, offset + i1, 2, ENC_NA);
i1 += 2;
break;
case 3:
lcd_char = tvb_get_guint8(tvb, offset + i1 + 1);
if (!g_ascii_isprint(lcd_char))
lcd_char = '.';
if (ti && in_str) {
lcd_strlen += 2;
proto_item_append_text(ti, "%c", lcd_char);
proto_item_set_len(ti, lcd_strlen);
} else {
ti = proto_tree_add_uint_format_value(slimp3_tree, hf_slimp3_display_string, tvb, offset + i1, 2,
lcd_char, "%c", lcd_char);
in_str = TRUE;
lcd_strlen = 2;
}
i1 += 2;
break;
case 2:
in_str = FALSE;
lcd_strlen = 0;
value = tvb_get_guint8(tvb, offset + i1 + 1);
ti = proto_tree_add_uint(slimp3_tree, hf_slimp3_display_command, tvb, offset + i1, 2, value);
if ((tvb_get_guint8(tvb, offset + i1 + 1) & 0xf0) == 0x30) {
proto_item_append_text(ti, ": %s",
val_to_str(tvb_get_guint8(tvb, offset + i1 + 2),
slimp3_display_fset8,
"Unknown (0x%0x)"));
i1 += 2;
}
i1 += 2;
break;
default:
proto_tree_add_item(slimp3_tree, hf_slimp3_display_unknown, tvb, offset + i1, 2, ENC_NA);
i1 += 2;
break;
}
}
}
i1 = 18;
lcd_strlen = 0;
while (tvb_offset_exists(tvb, offset + i1) &&
lcd_strlen < MAX_LCD_STR_LEN) {
switch (tvb_get_guint8(tvb, offset + i1)) {
case 0:
lcd_str[lcd_strlen++] = '.';
break;
case 2:
lcd_str[lcd_strlen++] = '|';
if (tvb_offset_exists(tvb, offset + i1 + 1) &&
(tvb_get_guint8(tvb, offset + i1 + 1) & 0xf0) == 0x30)
i1 += 2;
break;
case 3:
if (tvb_offset_exists(tvb, offset + i1 + 1)) {
if ((lcd_strlen < 1) ||
(lcd_str[lcd_strlen-1] != ' ') ||
(tvb_get_guint8(tvb, offset + i1 + 1) != ' ')) {
lcd_char = tvb_get_guint8(tvb, offset + i1 + 1);
lcd_str[lcd_strlen++] = g_ascii_isprint(lcd_char) ? lcd_char : '.';
}
}
}
i1 += 2;
}
lcd_str[lcd_strlen] = '\0';
if (lcd_strlen > 0)
col_append_fstr(pinfo->cinfo, COL_INFO, ", %s", lcd_str);
break;
case SLIMP3_CONTROL:
proto_tree_add_item(slimp3_tree, hf_slimp3_control, tvb, offset+1, 1, ENC_BIG_ENDIAN);
col_append_fstr(pinfo->cinfo, COL_INFO, ", %s",
val_to_str(tvb_get_guint8(tvb, offset+1),
slimp3_stream_control, "Unknown (0x%0x)"));
break;
case SLIMP3_HELLO:
if (tree) {
if (to_server) {
guint8 fw_ver;
/* Hello response; client->server */
proto_tree_add_item(slimp3_tree, hf_slimp3_hello_response_client_server, tvb, offset, 1, ENC_NA);
proto_tree_add_item(slimp3_tree, hf_slimp3_device_id, tvb, offset+1, 1, ENC_BIG_ENDIAN);
fw_ver = tvb_get_guint8(tvb, offset+2);
proto_tree_add_uint_format_value(slimp3_tree, hf_slimp3_fw_rev, tvb, offset+2, 1, fw_ver,
"%u.%u (0x%0x)", fw_ver>>4, fw_ver & 0xf, fw_ver);
} else {
/* Hello request; server->client */
proto_tree_add_item(slimp3_tree, hf_slimp3_hello_request_server_client, tvb, offset, 1, ENC_NA);
}
}
break;
case SLIMP3_I2C:
if (to_server) {
/* Hello response; client->server */
proto_tree_add_item(slimp3_tree, hf_slimp3_i2c_response_client_server, tvb, offset, -1, ENC_NA);
col_append_str(pinfo->cinfo, COL_INFO, ", Response");
} else {
/* Hello request; server->client */
proto_tree_add_item(slimp3_tree, hf_slimp3_i2c_request_server_client, tvb, offset, -1, ENC_NA);
col_append_str(pinfo->cinfo, COL_INFO, ", Request");
}
break;
case SLIMP3_DATA_REQ:
proto_tree_add_item(slimp3_tree, hf_slimp3_data_req_offset, tvb, offset+2, 2, ENC_BIG_ENDIAN);
col_append_fstr(pinfo->cinfo, COL_INFO, ", Offset: %u bytes",
tvb_get_ntohs(tvb, offset+2)*2);
break;
case SLIMP3_DATA:
/* MPEG data (v1.3 and later)
*
* [0] 'm'
* [1..5] reserved
* [6..7] Write pointer (in words)
* [8..9] reserved
* [10..11] Sequence number
* [12..17] reserved
* [18..] MPEG data
*/
if (old_protocol) {
guint offset_buffer;
proto_tree_add_bytes_format(slimp3_tree, hf_slimp3_data_length, tvb, offset, -1,
NULL, "Length: %d bytes",
tvb_reported_length_remaining(tvb, offset+18));
offset_buffer = tvb_get_ntohs(tvb, offset+2) * 2;
proto_tree_add_uint(slimp3_tree, hf_slimp3_data_offset, tvb, offset+2, 2, offset_buffer);
col_append_fstr(pinfo->cinfo, COL_INFO,
", Length: %d bytes, Offset: %u bytes.",
tvb_reported_length_remaining(tvb, offset+18),
offset_buffer);
}
else {
guint write_pointer;
proto_tree_add_item(slimp3_tree, hf_slimp3_data_command, tvb, offset+1, 1, ENC_BIG_ENDIAN);
proto_tree_add_bytes_format(slimp3_tree, hf_slimp3_data_length, tvb, offset, -1,
NULL, "Length: %d bytes",
tvb_reported_length_remaining(tvb, offset+18));
write_pointer = tvb_get_ntohs(tvb, offset+6) * 2;
proto_tree_add_uint(slimp3_tree, hf_slimp3_data_write_pointer, tvb, offset+6, 2, write_pointer);
proto_tree_add_item(slimp3_tree, hf_slimp3_data_sequence, tvb, offset+10, 2, ENC_BIG_ENDIAN);
col_append_fstr(pinfo->cinfo, COL_INFO,
", %s, %d bytes at %u, Sequence: %u",
val_to_str(tvb_get_guint8(tvb, offset+1),
slimp3_mpg_control, "Unknown (0x%0x)"),
tvb_reported_length_remaining(tvb, offset+18),
write_pointer,
tvb_get_ntohs(tvb, offset+10));
}
break;
case SLIMP3_DISC_REQ:
{
guint8 fw_ver;
proto_tree_add_item(slimp3_tree, hf_slimp3_device_id, tvb, offset+1, 1, ENC_BIG_ENDIAN);
fw_ver = tvb_get_guint8(tvb, offset+2);
proto_tree_add_uint_format_value(slimp3_tree, hf_slimp3_fw_rev, tvb, offset+2, 1, fw_ver,
"%u.%u (0x%0x)", fw_ver>>4, fw_ver & 0xf, fw_ver);
col_append_fstr(pinfo->cinfo, COL_INFO, ", Device ID: %u. Firmware: %u.%u",
tvb_get_guint8(tvb, offset+1), fw_ver>>4, fw_ver & 0xf);
}
break;
case SLIMP3_DISC_RSP:
if (tree) {
proto_tree_add_item(slimp3_tree, hf_slimp3_disc_rsp_server_ip, tvb, offset+2, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(slimp3_tree, hf_slimp3_disc_rsp_server_port, tvb, offset+6, 2, ENC_BIG_ENDIAN);
}
col_append_fstr(pinfo->cinfo, COL_INFO, ", Server Address: %s. Server Port: %u",
tvb_ip_to_str(pinfo->pool, tvb, offset+2),
tvb_get_ntohs(tvb, offset + 6));
break;
case SLIMP3_DATA_ACK:
/* Acknowledge MPEG data
*
* [0] 'a'
* [1..5]
* [6..7] Write pointer (in words)
* [8..9] Read pointer (in words)
* [10..11] Sequence number
* [12..17] client MAC address (v1.3 and later)
*/
if (tree) {
guint pointer;
pointer = tvb_get_ntohs(tvb, offset+6) * 2;
proto_tree_add_uint(slimp3_tree, hf_slimp3_data_ack_write_pointer, tvb, offset+6, 2, pointer);
pointer = tvb_get_ntohs(tvb, offset+8) * 2;
proto_tree_add_uint(slimp3_tree, hf_slimp3_data_ack_read_pointer, tvb, offset+8, 2, pointer);
proto_tree_add_item(slimp3_tree, hf_slimp3_data_ack_sequence, tvb, offset+10, 2, ENC_BIG_ENDIAN);
}
col_append_fstr(pinfo->cinfo, COL_INFO, ", Sequence: %u",
tvb_get_ntohs(tvb, offset+10));
break;
default:
if (tree) {
proto_tree_add_item(slimp3_tree, hf_slimp3_data_data, tvb, offset, -1, ENC_NA);
}
break;
}
return tvb_reported_length(tvb);
}
void
proto_register_slimp3(void)
{
static hf_register_info hf[] = {
{ &hf_slimp3_opcode,
{ "Opcode", "slimp3.opcode",
FT_UINT8, BASE_DEC, VALS(slimp3_opcode_vals), 0x0,
"SLIMP3 message type", HFILL }},
{ &hf_slimp3_control,
{ "Control Packet", "slimp3.control",
FT_UINT8, BASE_DEC, VALS(slimp3_stream_control), 0x0,
"SLIMP3 control", HFILL }},
{ &hf_slimp3_uptime,
{ "Uptime", "slimp3.uptime",
FT_UINT32, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_slimp3_code_id,
{ "Code identifier", "slimp3.code_id",
FT_UINT8, BASE_DEC, VALS(slimp3_ir_types), 0x0,
NULL, HFILL }},
{ &hf_slimp3_code_bits,
{ "Code bits", "slimp3.code_bits",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_slimp3_infrared_slimp3,
{ "Infrared Code", "slimp3.infrared",
FT_UINT32, BASE_HEX | BASE_EXT_STRING, &slimp3_ir_codes_slimp3_ext, 0x0,
NULL, HFILL }},
{ &hf_slimp3_infrared_jvc,
{ "Infrared Code", "slimp3.infrared",
FT_UINT32, BASE_HEX, VALS(slimp3_ir_codes_jvc), 0x0,
NULL, HFILL }},
{ &hf_slimp3_infrared,
{ "Infrared Code", "slimp3.infrared",
FT_UINT32, BASE_HEX, NULL, 0x0,
NULL, HFILL }},
{ &hf_slimp3_device_id,
{ "Device ID", "slimp3.device_id",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_slimp3_fw_rev,
{ "Firmware Revision", "slimp3.fw_rev",
FT_UINT8, BASE_HEX, NULL, 0x0,
NULL, HFILL }},
{ &hf_slimp3_data_offset,
{ "Buffer offset", "slimp3.data.offset",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_slimp3_data_command,
{ "Command", "slimp3.data.command",
FT_UINT8, BASE_HEX, VALS(slimp3_mpg_control), 0x0,
NULL, HFILL }},
{ &hf_slimp3_data_write_pointer,
{ "Write Pointer", "slimp3.data.write_pointer",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_slimp3_data_sequence,
{ "Sequence", "slimp3.data.sequence",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_slimp3_disc_rsp_server_ip,
{ "Server Address", "slimp3.disc_rsp.server_ip",
FT_IPv4, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_slimp3_disc_rsp_server_port,
{ "Server Port", "slimp3.disc_rsp.server_port",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_slimp3_data_ack_write_pointer,
{ "Write Pointer", "slimp3.data_ack.write_pointer",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_slimp3_data_ack_read_pointer,
{ "Read Pointer", "slimp3.data_ack.read_pointer",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_slimp3_data_ack_sequence,
{ "Sequence", "slimp3.data_ack.sequence",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_slimp3_data_req_offset,
{ "Requested offset", "slimp3.data_req.offset",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
/* Generated from convert_proto_tree_add_text.pl */
{ &hf_slimp3_display_delay, { "Delay", "slimp3.display_delay", FT_UINT8, BASE_DEC|BASE_UNIT_STRING, &units_milliseconds, 0x0, NULL, HFILL }},
{ &hf_slimp3_display_string, { "String", "slimp3.display_string", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }},
{ &hf_slimp3_display_command, { "Command", "slimp3.display_command", FT_UINT8, BASE_DEC, VALS(slimp3_display_commands), 0x0, NULL, HFILL }},
{ &hf_slimp3_display_unknown, { "Unknown", "slimp3.display_unknown", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL }},
{ &hf_slimp3_hello_response_client_server, { "Hello Response (Client --> Server)", "slimp3.hello_response_client_server", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL }},
{ &hf_slimp3_hello_request_server_client, { "Hello Request (Server --> Client)", "slimp3.hello_request_server_client", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL }},
{ &hf_slimp3_i2c_response_client_server, { "I2C Response (Client --> Server)", "slimp3.i2c_response_client_server", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL }},
{ &hf_slimp3_i2c_request_server_client, { "I2C Request (Server --> Client)", "slimp3.i2c_request_server_client", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL }},
{ &hf_slimp3_data_length, { "Length", "slimp3.data.length", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }},
{ &hf_slimp3_data_data, { "Data", "slimp3.data.data", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }},
};
static gint *ett[] = {
&ett_slimp3,
};
proto_slimp3 = proto_register_protocol("SliMP3 Communication Protocol", "SliMP3", "slimp3");
proto_register_field_array(proto_slimp3, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
}
void
proto_reg_handoff_slimp3(void)
{
dissector_handle_t slimp3_handle;
slimp3_handle = create_dissector_handle(dissect_slimp3, proto_slimp3);
dissector_add_uint_range_with_preference("udp.port", UDP_PORT_SLIMP3_RANGE, slimp3_handle);
}
/*
* Editor modelines
*
* Local Variables:
* c-basic-offset: 4
* tab-width: 8
* indent-tabs-mode: nil
* End:
*
* ex: set shiftwidth=4 tabstop=8 expandtab:
* :indentSize=4:tabSize=8:noTabs=true:
*/
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