Adding upstream version 4.2.2.upstream/4.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 462 insertions, 0 deletions

diff --git a/epan/dissectors/packet-pingpongprotocol.c b/epan/dissectors/packet-pingpongprotocol.c
new file mode 100644
index 00000000..5a6d5c78
--- /dev/null
+++ b/epan/dissectors/packet-pingpongprotocol.c
@@ -0,0 +1,462 @@
+/* packet-pingpongprotocol.c
+ * Routines for the Ping Pong Protocol, a test application of the
+ * RSPLIB RSerPool implementation
+ * https://www.uni-due.de/~be0001/rserpool/
+ *
+ * Copyright 2006-2021 by Thomas Dreibholz <dreibh [AT] iem.uni-due.de>
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * Copied from README.developer
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "config.h"
+
+#include <epan/packet.h>
+#include <epan/sctpppids.h>
+#include <epan/stat_tap_ui.h>
+
+
+#define PINGPONGPROTOCOL_PAYLOAD_PROTOCOL_ID_LEGACY 0x29097602
+
+void proto_register_pingpongprotocol(void);
+void proto_reg_handoff_pingpongprotocol(void);
+
+static dissector_handle_t pingpongprotocol_handle;
+
+/* Initialize the protocol and registered fields */
+static int proto_pingpongprotocol         = -1;
+static int tap_pingpongprotocol           = -1;
+static int ett_pingpongprotocol           = -1;
+static int hf_message_type                = -1;
+static int hf_message_flags               = -1;
+static int hf_message_length              = -1;
+static int hf_ping_messageno              = -1;
+static int hf_ping_data                   = -1;
+static int hf_pong_messageno              = -1;
+static int hf_pong_replyno                = -1;
+static int hf_pong_data                   = -1;
+
+static guint64 pingpongprotocol_total_msgs  = 0;
+static guint64 pingpongprotocol_total_bytes = 0;
+
+/* Dissectors for messages. This is specific to PingPongProtocol */
+#define MESSAGE_TYPE_LENGTH    1
+#define MESSAGE_FLAGS_LENGTH   1
+#define MESSAGE_LENGTH_LENGTH  2
+
+#define MESSAGE_TYPE_OFFSET    0
+#define MESSAGE_FLAGS_OFFSET   (MESSAGE_TYPE_OFFSET    + MESSAGE_TYPE_LENGTH)
+#define MESSAGE_LENGTH_OFFSET  (MESSAGE_FLAGS_OFFSET   + MESSAGE_FLAGS_LENGTH)
+#define MESSAGE_VALUE_OFFSET   (MESSAGE_LENGTH_OFFSET  + MESSAGE_LENGTH_LENGTH)
+
+
+#define PING_MESSAGENO_LENGTH 8
+
+#define PING_MESSAGENO_OFFSET MESSAGE_VALUE_OFFSET
+#define PING_DATA_OFFSET      (PING_MESSAGENO_OFFSET + PING_MESSAGENO_LENGTH)
+
+#define PONG_MESSAGENO_LENGTH 8
+#define PONG_REPLYNO_LENGTH   8
+
+#define PONG_MESSAGENO_OFFSET  MESSAGE_VALUE_OFFSET
+#define PONG_REPLYNO_OFFSET    (PONG_MESSAGENO_OFFSET + PONG_MESSAGENO_LENGTH)
+#define PONG_DATA_OFFSET       (PONG_REPLYNO_OFFSET + PONG_REPLYNO_LENGTH)
+
+
+#define PINGPONG_PING_MESSAGE_TYPE 0x01
+#define PINGPONG_PONG_MESSAGE_TYPE 0x02
+
+
+
+static const value_string message_type_values[] = {
+  { PINGPONG_PONG_MESSAGE_TYPE, "PingPongProtocol Pong" },
+  { PINGPONG_PING_MESSAGE_TYPE, "PingPongProtocol Ping" },
+  { 0, NULL }
+};
+
+
+typedef struct _tap_pingpongprotocol_rec_t {
+  guint8      type;
+  guint16     size;
+  const char* type_string;
+} tap_pingpongprotocol_rec_t;
+
+
+static void
+dissect_pingpongprotocol_ping_message(tvbuff_t *message_tvb, proto_tree *message_tree)
+{
+  guint16 ping_data_length;
+
+  proto_tree_add_item(message_tree, hf_ping_messageno, message_tvb, PING_MESSAGENO_OFFSET, PING_MESSAGENO_LENGTH, ENC_BIG_ENDIAN);
+
+  ping_data_length = tvb_get_ntohs(message_tvb, MESSAGE_LENGTH_OFFSET) - PING_DATA_OFFSET;
+  if (ping_data_length > 0)
+    proto_tree_add_item(message_tree, hf_ping_data, message_tvb, PING_DATA_OFFSET, ping_data_length, ENC_NA);
+}
+
+static void
+dissect_pingpongprotocol_pong_message(tvbuff_t *message_tvb, proto_tree *message_tree)
+{
+  guint16 pong_data_length;
+
+  proto_tree_add_item(message_tree, hf_pong_messageno, message_tvb, PONG_MESSAGENO_OFFSET, PONG_MESSAGENO_LENGTH, ENC_BIG_ENDIAN);
+  proto_tree_add_item(message_tree, hf_pong_replyno,   message_tvb, PONG_REPLYNO_OFFSET,   PONG_REPLYNO_LENGTH,   ENC_BIG_ENDIAN);
+
+  pong_data_length = tvb_get_ntohs(message_tvb, MESSAGE_LENGTH_OFFSET) - PONG_DATA_OFFSET;
+  if (pong_data_length > 0) {
+    proto_tree_add_item(message_tree, hf_pong_data, message_tvb, PONG_DATA_OFFSET, pong_data_length, ENC_NA);
+  }
+}
+
+
+static void
+dissect_pingpongprotocol_message(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *pingpongprotocol_tree)
+{
+  tap_pingpongprotocol_rec_t* tap_rec = wmem_new0(pinfo->pool, tap_pingpongprotocol_rec_t);
+  tap_rec->type        = tvb_get_guint8(message_tvb, MESSAGE_TYPE_OFFSET);
+  tap_rec->size        = tvb_get_ntohs(message_tvb,  MESSAGE_LENGTH_OFFSET);
+  tap_rec->type_string = val_to_str_const(tap_rec->type, message_type_values, "Unknown PingPongProtocol message type");
+  tap_queue_packet(tap_pingpongprotocol, pinfo, tap_rec);
+
+  col_add_fstr(pinfo->cinfo, COL_INFO, "%s ", tap_rec->type_string);
+
+  proto_tree_add_item(pingpongprotocol_tree, hf_message_type,   message_tvb, MESSAGE_TYPE_OFFSET,   MESSAGE_TYPE_LENGTH,   ENC_BIG_ENDIAN);
+  proto_tree_add_item(pingpongprotocol_tree, hf_message_flags,  message_tvb, MESSAGE_FLAGS_OFFSET,  MESSAGE_FLAGS_LENGTH,  ENC_BIG_ENDIAN);
+  proto_tree_add_item(pingpongprotocol_tree, hf_message_length, message_tvb, MESSAGE_LENGTH_OFFSET, MESSAGE_LENGTH_LENGTH, ENC_BIG_ENDIAN);
+  switch (tap_rec->type) {
+    case PINGPONG_PING_MESSAGE_TYPE:
+      dissect_pingpongprotocol_ping_message(message_tvb, pingpongprotocol_tree);
+     break;
+    case PINGPONG_PONG_MESSAGE_TYPE:
+      dissect_pingpongprotocol_pong_message(message_tvb, pingpongprotocol_tree);
+     break;
+  }
+}
+
+static int
+dissect_pingpongprotocol(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
+{
+  proto_item *pingpongprotocol_item;
+  proto_tree *pingpongprotocol_tree;
+
+  col_set_str(pinfo->cinfo, COL_PROTOCOL, "PingPongProtocol");
+
+  /* In the interest of speed, if "tree" is NULL, don't do any work not
+     necessary to generate protocol tree items. */
+  if (tree) {
+    /* create the pingpongprotocol protocol tree */
+    pingpongprotocol_item = proto_tree_add_item(tree, proto_pingpongprotocol, message_tvb, 0, -1, ENC_NA);
+    pingpongprotocol_tree = proto_item_add_subtree(pingpongprotocol_item, ett_pingpongprotocol);
+  } else {
+    pingpongprotocol_tree = NULL;
+  };
+  /* dissect the message */
+  dissect_pingpongprotocol_message(message_tvb, pinfo, pingpongprotocol_tree);
+  return(TRUE);
+}
+
+
+/* TAP STAT INFO */
+typedef enum
+{
+  MESSAGE_TYPE_COLUMN = 0,
+  MESSAGES_COLUMN,
+  MESSAGES_SHARE_COLUMN,
+  BYTES_COLUMN,
+  BYTES_SHARE_COLUMN,
+  FIRST_SEEN_COLUMN,
+  LAST_SEEN_COLUMN,
+  INTERVAL_COLUMN,
+  MESSAGE_RATE_COLUMN,
+  BYTE_RATE_COLUMN
+} pingpongprotocol_stat_columns;
+
+static stat_tap_table_item pingpongprotocol_stat_fields[] = {
+  { TABLE_ITEM_STRING, TAP_ALIGN_LEFT,  "PingPongProtocol Message Type", "%-25s" },
+  { TABLE_ITEM_UINT,   TAP_ALIGN_RIGHT, "Messages ",            "%u"       },
+  { TABLE_ITEM_UINT,   TAP_ALIGN_RIGHT, "Messages Share (%)"  , "%1.3f %%" },
+  { TABLE_ITEM_UINT,   TAP_ALIGN_RIGHT, "Bytes (B)",            "%u"       },
+  { TABLE_ITEM_UINT,   TAP_ALIGN_RIGHT, "Bytes Share (%) ",     "%1.3f %%" },
+  { TABLE_ITEM_FLOAT,  TAP_ALIGN_LEFT,  "First Seen (s)",       "%1.6f"    },
+  { TABLE_ITEM_FLOAT,  TAP_ALIGN_LEFT,  "Last Seen (s)",        "%1.6f"    },
+  { TABLE_ITEM_FLOAT,  TAP_ALIGN_LEFT,  "Interval (s)",         "%1.6f"    },
+  { TABLE_ITEM_FLOAT,  TAP_ALIGN_LEFT,  "Message Rate (Msg/s)", "%1.2f"    },
+  { TABLE_ITEM_FLOAT,  TAP_ALIGN_LEFT,  "Byte Rate (B/s)",      "%1.2f"    }
+};
+
+static void pingpongprotocol_stat_init(stat_tap_table_ui* new_stat)
+{
+  const char *table_name = "PingPongProtocol Statistics";
+  int num_fields = sizeof(pingpongprotocol_stat_fields)/sizeof(stat_tap_table_item);
+  stat_tap_table *table;
+  int i = 0;
+  stat_tap_table_item_type items[sizeof(pingpongprotocol_stat_fields)/sizeof(stat_tap_table_item)];
+
+  table = stat_tap_find_table(new_stat, table_name);
+  if (table) {
+    if (new_stat->stat_tap_reset_table_cb) {
+      new_stat->stat_tap_reset_table_cb(table);
+    }
+    return;
+  }
+
+  table = stat_tap_init_table(table_name, num_fields, 0, NULL);
+  stat_tap_add_table(new_stat, table);
+
+  memset(items, 0x0, sizeof(items));
+  /* Add a row for each value type */
+  while (message_type_values[i].strptr) {
+    items[MESSAGE_TYPE_COLUMN].type                = TABLE_ITEM_STRING;
+    items[MESSAGE_TYPE_COLUMN].value.string_value  = message_type_values[i].strptr;
+    items[MESSAGES_COLUMN].type                    = TABLE_ITEM_UINT;
+    items[MESSAGES_COLUMN].value.uint_value        = 0;
+    items[MESSAGES_SHARE_COLUMN].type              = TABLE_ITEM_NONE;
+    items[MESSAGES_SHARE_COLUMN].value.float_value = -1.0;
+    items[BYTES_COLUMN].type                       = TABLE_ITEM_UINT;
+    items[BYTES_COLUMN].value.uint_value           = 0;
+    items[BYTES_SHARE_COLUMN].type                 = TABLE_ITEM_NONE;
+    items[BYTES_SHARE_COLUMN].value.float_value    = -1.0;
+    items[FIRST_SEEN_COLUMN].type                  = TABLE_ITEM_NONE;
+    items[FIRST_SEEN_COLUMN].value.float_value     = DBL_MAX;
+    items[LAST_SEEN_COLUMN].type                   = TABLE_ITEM_NONE;
+    items[LAST_SEEN_COLUMN].value.float_value      = DBL_MIN;
+    items[INTERVAL_COLUMN].type                    = TABLE_ITEM_NONE;
+    items[INTERVAL_COLUMN].value.float_value       = -1.0;
+    items[MESSAGE_RATE_COLUMN].type                = TABLE_ITEM_NONE;
+    items[MESSAGE_RATE_COLUMN].value.float_value   = -1.0;
+    items[BYTE_RATE_COLUMN].type                   = TABLE_ITEM_NONE;
+    items[BYTE_RATE_COLUMN].value.float_value      = -1.0;
+    stat_tap_init_table_row(table, i, num_fields, items);
+    i++;
+  }
+}
+
+static tap_packet_status
+pingpongprotocol_stat_packet(void* tapdata, packet_info* pinfo _U_, epan_dissect_t* edt _U_, const void* data, tap_flags_t flags _U_)
+{
+  stat_data_t*                      stat_data = (stat_data_t*)tapdata;
+  const tap_pingpongprotocol_rec_t* tap_rec   = (const tap_pingpongprotocol_rec_t*)data;
+  stat_tap_table*                   table;
+  stat_tap_table_item_type*         msg_data;
+  gint                              idx;
+  guint64                           messages;
+  guint64                           bytes;
+  int                               i         = 0;
+  double                            firstSeen = -1.0;
+  double                            lastSeen  = -1.0;
+
+  idx = str_to_val_idx(tap_rec->type_string, message_type_values);
+  if (idx < 0)
+    return TAP_PACKET_DONT_REDRAW;
+
+  table = g_array_index(stat_data->stat_tap_data->tables, stat_tap_table*, 0);
+
+  /* Update packets counter */
+  pingpongprotocol_total_msgs++;
+  msg_data = stat_tap_get_field_data(table, idx, MESSAGES_COLUMN);
+  msg_data->value.uint_value++;
+  messages = msg_data->value.uint_value;
+  stat_tap_set_field_data(table, idx, MESSAGES_COLUMN, msg_data);
+
+  /* Update bytes counter */
+  pingpongprotocol_total_bytes += tap_rec->size;
+  msg_data = stat_tap_get_field_data(table, idx, BYTES_COLUMN);
+  msg_data->value.uint_value += tap_rec->size;
+  bytes = msg_data->value.uint_value;
+  stat_tap_set_field_data(table, idx, BYTES_COLUMN, msg_data);
+
+  /* Update messages and bytes share */
+  while (message_type_values[i].strptr) {
+    msg_data = stat_tap_get_field_data(table, i, MESSAGES_COLUMN);
+    const guint m = msg_data->value.uint_value;
+    msg_data = stat_tap_get_field_data(table, i, BYTES_COLUMN);
+    const guint b = msg_data->value.uint_value;
+
+    msg_data = stat_tap_get_field_data(table, i, MESSAGES_SHARE_COLUMN);
+    msg_data->type = TABLE_ITEM_FLOAT;
+    msg_data->value.float_value = 100.0 * m / (double)pingpongprotocol_total_msgs;
+    stat_tap_set_field_data(table, i, MESSAGES_SHARE_COLUMN, msg_data);
+
+    msg_data = stat_tap_get_field_data(table, i, BYTES_SHARE_COLUMN);
+    msg_data->type = TABLE_ITEM_FLOAT;
+    msg_data->value.float_value = 100.0 * b / (double)pingpongprotocol_total_bytes;
+    stat_tap_set_field_data(table, i, BYTES_SHARE_COLUMN, msg_data);
+    i++;
+  }
+
+  /* Update first seen time */
+  if (pinfo->presence_flags & PINFO_HAS_TS) {
+    msg_data = stat_tap_get_field_data(table, idx, FIRST_SEEN_COLUMN);
+    msg_data->type = TABLE_ITEM_FLOAT;
+    msg_data->value.float_value = MIN(msg_data->value.float_value, nstime_to_sec(&pinfo->rel_ts));
+    firstSeen = msg_data->value.float_value;
+    stat_tap_set_field_data(table, idx, FIRST_SEEN_COLUMN, msg_data);
+  }
+
+  /* Update last seen time */
+  if (pinfo->presence_flags & PINFO_HAS_TS) {
+    msg_data = stat_tap_get_field_data(table, idx, LAST_SEEN_COLUMN);
+    msg_data->type = TABLE_ITEM_FLOAT;
+    msg_data->value.float_value = MAX(msg_data->value.float_value, nstime_to_sec(&pinfo->rel_ts));
+    lastSeen = msg_data->value.float_value;
+    stat_tap_set_field_data(table, idx, LAST_SEEN_COLUMN, msg_data);
+  }
+
+  if ((lastSeen - firstSeen) > 0.0) {
+    /* Update interval */
+    msg_data = stat_tap_get_field_data(table, idx, INTERVAL_COLUMN);
+    msg_data->type = TABLE_ITEM_FLOAT;
+    msg_data->value.float_value = lastSeen - firstSeen;
+    stat_tap_set_field_data(table, idx, INTERVAL_COLUMN, msg_data);
+
+    /* Update message rate */
+    msg_data = stat_tap_get_field_data(table, idx, MESSAGE_RATE_COLUMN);
+    msg_data->type = TABLE_ITEM_FLOAT;
+    msg_data->value.float_value = messages / (lastSeen - firstSeen);
+    stat_tap_set_field_data(table, idx, MESSAGE_RATE_COLUMN, msg_data);
+
+    /* Update byte rate */
+    msg_data = stat_tap_get_field_data(table, idx, BYTE_RATE_COLUMN);
+    msg_data->type = TABLE_ITEM_FLOAT;
+    msg_data->value.float_value = bytes / (lastSeen - firstSeen);
+    stat_tap_set_field_data(table, idx, BYTE_RATE_COLUMN, msg_data);
+  }
+
+  return TAP_PACKET_REDRAW;
+}
+
+static void
+pingpongprotocol_stat_reset(stat_tap_table* table)
+{
+  guint element;
+  stat_tap_table_item_type* item_data;
+
+  for (element = 0; element < table->num_elements; element++) {
+    item_data = stat_tap_get_field_data(table, element, MESSAGES_COLUMN);
+    item_data->value.uint_value = 0;
+    stat_tap_set_field_data(table, element, MESSAGES_COLUMN, item_data);
+
+    item_data = stat_tap_get_field_data(table, element, MESSAGES_SHARE_COLUMN);
+    item_data->type = TABLE_ITEM_NONE;
+    item_data->value.float_value = -1.0;
+    stat_tap_set_field_data(table, element, MESSAGES_SHARE_COLUMN, item_data);
+
+    item_data = stat_tap_get_field_data(table, element, BYTES_COLUMN);
+    item_data->value.uint_value = 0;
+    stat_tap_set_field_data(table, element, BYTES_COLUMN, item_data);
+
+    item_data = stat_tap_get_field_data(table, element, BYTES_SHARE_COLUMN);
+    item_data->type = TABLE_ITEM_NONE;
+    item_data->value.float_value = -1.0;
+    stat_tap_set_field_data(table, element, BYTES_SHARE_COLUMN, item_data);
+
+    item_data = stat_tap_get_field_data(table, element, FIRST_SEEN_COLUMN);
+    item_data->type = TABLE_ITEM_NONE;
+    item_data->value.float_value = DBL_MAX;
+    stat_tap_set_field_data(table, element, FIRST_SEEN_COLUMN, item_data);
+
+    item_data = stat_tap_get_field_data(table, element, LAST_SEEN_COLUMN);
+    item_data->type = TABLE_ITEM_NONE;
+    item_data->value.float_value = DBL_MIN;
+    stat_tap_set_field_data(table, element, LAST_SEEN_COLUMN, item_data);
+
+    item_data = stat_tap_get_field_data(table, element, INTERVAL_COLUMN);
+    item_data->type = TABLE_ITEM_NONE;
+    item_data->value.float_value = -1.0;
+    stat_tap_set_field_data(table, element, INTERVAL_COLUMN, item_data);
+
+    item_data = stat_tap_get_field_data(table, element, MESSAGE_RATE_COLUMN);
+    item_data->type = TABLE_ITEM_NONE;
+    item_data->value.float_value = -1.0;
+    stat_tap_set_field_data(table, element, MESSAGE_RATE_COLUMN, item_data);
+
+    item_data = stat_tap_get_field_data(table, element, BYTE_RATE_COLUMN);
+    item_data->type = TABLE_ITEM_NONE;
+    item_data->value.float_value = -1.0;
+    stat_tap_set_field_data(table, element, BYTE_RATE_COLUMN, item_data);
+  }
+  pingpongprotocol_total_msgs  = 0;
+  pingpongprotocol_total_bytes = 0;
+}
+
+
+/* Register the protocol with Wireshark */
+void
+proto_register_pingpongprotocol(void)
+{
+
+  /* Setup list of header fields */
+  static hf_register_info hf[] = {
+    { &hf_message_type,   { "Type",      "pingpongprotocol.message_type",   FT_UINT8,  BASE_DEC,  VALS(message_type_values), 0x0, NULL, HFILL } },
+    { &hf_message_flags,  { "Flags",     "pingpongprotocol.message_flags",  FT_UINT8,  BASE_DEC,  NULL,                      0x0, NULL, HFILL } },
+    { &hf_message_length, { "Length",    "pingpongprotocol.message_length", FT_UINT16, BASE_DEC,  NULL,                      0x0, NULL, HFILL } },
+    { &hf_ping_messageno, { "MessageNo", "pingpongprotocol.ping_messageno", FT_UINT64, BASE_DEC,  NULL,                      0x0, NULL, HFILL } },
+    { &hf_ping_data,      { "Ping_Data", "pingpongprotocol.ping_data",      FT_BYTES,  BASE_NONE, NULL,                      0x0, NULL, HFILL } },
+    { &hf_pong_messageno, { "MessageNo", "pingpongprotocol.pong_messageno", FT_UINT64, BASE_DEC,  NULL,                      0x0, NULL, HFILL } },
+    { &hf_pong_replyno,   { "ReplyNo",   "pingpongprotocol.pong_replyno",   FT_UINT64, BASE_DEC,  NULL,                      0x0, NULL, HFILL } },
+    { &hf_pong_data,      { "Pong_Data", "pingpongprotocol.pong_data",      FT_BYTES,  BASE_NONE, NULL,                      0x0, NULL, HFILL } },
+  };
+
+  /* Setup protocol subtree array */
+  static gint *ett[] = {
+    &ett_pingpongprotocol
+  };
+
+  static tap_param pingpongprotocol_stat_params[] = {
+    { PARAM_FILTER, "filter", "Filter", NULL, TRUE }
+  };
+
+  static stat_tap_table_ui pingpongprotocol_stat_table = {
+    REGISTER_STAT_GROUP_RSERPOOL,
+    "PingPongProtocol Statistics",
+    "pingpongprotocol",
+    "pingpongprotocol,stat",
+    pingpongprotocol_stat_init,
+    pingpongprotocol_stat_packet,
+    pingpongprotocol_stat_reset,
+    NULL,
+    NULL,
+    sizeof(pingpongprotocol_stat_fields)/sizeof(stat_tap_table_item), pingpongprotocol_stat_fields,
+    sizeof(pingpongprotocol_stat_params)/sizeof(tap_param), pingpongprotocol_stat_params,
+    NULL,
+    0
+  };
+
+  /* Register the protocol name and description */
+  proto_pingpongprotocol = proto_register_protocol("Ping Pong Protocol", "PingPongProtocol",  "pingpongprotocol");
+
+  /* Required function calls to register the header fields and subtrees used */
+  proto_register_field_array(proto_pingpongprotocol, hf, array_length(hf));
+  proto_register_subtree_array(ett, array_length(ett));
+  tap_pingpongprotocol = register_tap("pingpongprotocol");
+
+  /* Register the dissector handle */
+  pingpongprotocol_handle = register_dissector("pingpongprotocol", dissect_pingpongprotocol, proto_pingpongprotocol);
+
+  register_stat_tap_table_ui(&pingpongprotocol_stat_table);
+}
+
+void
+proto_reg_handoff_pingpongprotocol(void)
+{
+  dissector_add_uint("sctp.ppi", PINGPONGPROTOCOL_PAYLOAD_PROTOCOL_ID_LEGACY, pingpongprotocol_handle);
+  dissector_add_uint("sctp.ppi", PPP_PAYLOAD_PROTOCOL_ID, pingpongprotocol_handle);
+}
+
+/*
+ * Editor modelines  -  https://www.wireshark.org/tools/modelines.html
+ *
+ * Local Variables:
+ * c-basic-offset: 2
+ * tab-width: 8
+ * indent-tabs-mode: nil
+ * End:
+ *
+ * ex: set shiftwidth=2 tabstop=8 expandtab:
+ * :indentSize=2:tabSize=8:noTabs=true:
+ */