forked from osmocom/wireshark
509 lines
18 KiB
C
509 lines
18 KiB
C
/* packet-netlink-net_dm.c
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* Routines for netlink-net_dm dissection
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* Based on netlink-route and netlink-generic dissectors
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* Copyright 2019, Mellanox Technologies Ltd.
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* Code by Ido Schimmel <idosch@mellanox.com>
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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/* net_dm (network drop monitor) is a netlink-based protocol via which alerts
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* about dropped packets are sent to user space
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*
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* Relevant Linux kernel header file:
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* include/uapi/linux/net_dropmon.h
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*
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* Man page:
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* man 1 dropwatch
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*/
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#define NEW_PROTO_TREE_API
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#include "config.h"
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#include <epan/packet.h>
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#include "packet-netlink.h"
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#include "packet-sll.h"
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void proto_register_netlink_net_dm(void);
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void proto_reg_handoff_netlink_net_dm(void);
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enum ws_net_dm_commands {
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WS_NET_DM_CMD_UNSPEC,
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WS_NET_DM_CMD_ALERT,
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WS_NET_DM_CMD_CONFIG,
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WS_NET_DM_CMD_START,
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WS_NET_DM_CMD_STOP,
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WS_NET_DM_CMD_PACKET_ALERT,
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WS_NET_DM_CMD_CONFIG_GET,
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WS_NET_DM_CMD_CONFIG_NEW,
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WS_NET_DM_CMD_STATS_GET,
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WS_NET_DM_CMD_STATS_NEW,
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};
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enum ws_net_dm_attrs {
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WS_NET_DM_ATTR_UNSPEC,
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WS_NET_DM_ATTR_ALERT_MODE,
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WS_NET_DM_ATTR_PC,
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WS_NET_DM_ATTR_SYMBOL,
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WS_NET_DM_ATTR_IN_PORT,
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WS_NET_DM_ATTR_TIMESTAMP,
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WS_NET_DM_ATTR_PROTO,
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WS_NET_DM_ATTR_PAYLOAD,
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WS_NET_DM_ATTR_PAD,
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WS_NET_DM_ATTR_TRUNC_LEN,
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WS_NET_DM_ATTR_ORIG_LEN,
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WS_NET_DM_ATTR_QUEUE_LEN,
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WS_NET_DM_ATTR_STATS,
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WS_NET_DM_ATTR_HW_STATS,
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WS_NET_DM_ATTR_ORIGIN,
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WS_NET_DM_ATTR_HW_TRAP_GROUP_NAME,
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WS_NET_DM_ATTR_HW_TRAP_NAME,
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WS_NET_DM_ATTR_HW_ENTRIES,
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WS_NET_DM_ATTR_HW_ENTRY,
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WS_NET_DM_ATTR_HW_TRAP_COUNT,
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WS_NET_DM_ATTR_SW_DROPS,
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WS_NET_DM_ATTR_HW_DROPS,
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WS_NET_DM_ATTR_FLOW_ACTION_COOKIE,
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};
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enum ws_net_dm_attrs_port {
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WS_NET_DM_ATTR_PORT_NETDEV_IFINDEX,
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WS_NET_DM_ATTR_PORT_NETDEV_NAME,
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};
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enum ws_net_dm_attrs_stats {
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WS_NET_DM_ATTR_STATS_DROPPED,
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};
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enum ws_net_dm_alert_mode {
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WS_NET_DM_ALERT_MODE_SUMMARY,
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WS_NET_DM_ALERT_MODE_PACKET,
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};
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enum ws_net_dm_origin {
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WS_NET_DM_ORIGIN_SW,
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WS_NET_DM_ORIGIN_HW,
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};
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struct netlink_net_dm_info {
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packet_info *pinfo;
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guint16 protocol; /* protocol for packet payload */
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};
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static int proto_netlink_net_dm = -1;
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static dissector_handle_t netlink_net_dm_handle;
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static dissector_table_t sll_ltype_table;
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static header_field_info *hfi_netlink_net_dm = NULL;
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#define NETLINK_NET_DM_HFI_INIT HFI_INIT(proto_netlink_net_dm)
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static gint ett_net_dm = -1;
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static gint ett_net_dm_attrs = -1;
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static gint ett_net_dm_attrs_in_port = -1;
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static gint ett_net_dm_attrs_stats = -1;
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static gint ett_net_dm_attrs_hw_stats = -1;
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static gint ett_net_dm_attrs_hw_entries = -1;
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static gint ett_net_dm_attrs_hw_entry = -1;
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static const value_string ws_net_dm_commands_vals[] = {
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{ WS_NET_DM_CMD_UNSPEC, "Unspecified command" },
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{ WS_NET_DM_CMD_ALERT, "Drop alert (summary)" },
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{ WS_NET_DM_CMD_CONFIG, "Configure drop monitor" },
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{ WS_NET_DM_CMD_START, "Start monitoring" },
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{ WS_NET_DM_CMD_STOP, "Stop monitoring" },
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{ WS_NET_DM_CMD_PACKET_ALERT, "Drop alert (packet)" },
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{ WS_NET_DM_CMD_CONFIG_GET, "Get drop monitor configuration" },
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{ WS_NET_DM_CMD_CONFIG_NEW, "New drop monitor configuration" },
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{ WS_NET_DM_CMD_STATS_GET, "Get drop monitor statistics" },
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{ WS_NET_DM_CMD_STATS_NEW, "New drop monitor statistics" },
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{ 0, NULL },
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};
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static value_string_ext ws_net_dm_commands_vals_ext = VALUE_STRING_EXT_INIT(ws_net_dm_commands_vals);
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static const value_string ws_net_dm_attrs_vals[] = {
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{ WS_NET_DM_ATTR_UNSPEC, "Unspecified" },
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{ WS_NET_DM_ATTR_ALERT_MODE, "Alert mode" },
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{ WS_NET_DM_ATTR_PC, "Drop location (PC)" },
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{ WS_NET_DM_ATTR_SYMBOL, "Drop location (symbol)" },
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{ WS_NET_DM_ATTR_IN_PORT, "Input port" },
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{ WS_NET_DM_ATTR_TIMESTAMP, "Timestamp" },
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{ WS_NET_DM_ATTR_PROTO, "Protocol" },
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{ WS_NET_DM_ATTR_PAYLOAD, "Payload" },
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{ WS_NET_DM_ATTR_PAD, "Pad" },
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{ WS_NET_DM_ATTR_TRUNC_LEN, "Truncation length" },
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{ WS_NET_DM_ATTR_ORIG_LEN, "Original length" },
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{ WS_NET_DM_ATTR_QUEUE_LEN, "Queue length" },
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{ WS_NET_DM_ATTR_STATS, "Software statistics" },
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{ WS_NET_DM_ATTR_HW_STATS, "Hardware statistics" },
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{ WS_NET_DM_ATTR_ORIGIN, "Packet origin" },
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{ WS_NET_DM_ATTR_HW_TRAP_GROUP_NAME, "Hardware trap group name" },
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{ WS_NET_DM_ATTR_HW_TRAP_NAME, "Hardware trap name" },
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{ WS_NET_DM_ATTR_HW_ENTRIES, "Hardware trap entries" },
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{ WS_NET_DM_ATTR_HW_ENTRY, "Hardware trap entry" },
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{ WS_NET_DM_ATTR_HW_TRAP_COUNT, "Hardware trap count" },
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{ WS_NET_DM_ATTR_SW_DROPS, "Software drops" },
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{ WS_NET_DM_ATTR_HW_DROPS, "Hardware drops" },
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{ WS_NET_DM_ATTR_FLOW_ACTION_COOKIE, "Flow action cookie" },
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{ 0, NULL },
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};
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static value_string_ext ws_net_dm_attrs_vals_ext = VALUE_STRING_EXT_INIT(ws_net_dm_attrs_vals);
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static const value_string ws_net_dm_attrs_port_vals[] = {
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{ WS_NET_DM_ATTR_PORT_NETDEV_IFINDEX, "Net device index" },
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{ WS_NET_DM_ATTR_PORT_NETDEV_NAME, "Net device name" },
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{ 0, NULL },
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};
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static const value_string ws_net_dm_attrs_stats_vals[] = {
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{ WS_NET_DM_ATTR_STATS_DROPPED, "Dropped" },
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{ 0, NULL },
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};
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static const value_string ws_net_dm_alert_mode_vals[] = {
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{ WS_NET_DM_ALERT_MODE_SUMMARY, "Summary" },
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{ WS_NET_DM_ALERT_MODE_PACKET, "Packet" },
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{ 0, NULL },
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};
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static const value_string ws_net_dm_origin_vals[] = {
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{ WS_NET_DM_ORIGIN_SW, "Software" },
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{ WS_NET_DM_ORIGIN_HW, "Hardware" },
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{ 0, NULL },
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};
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static header_field_info hfi_net_dm_commands NETLINK_NET_DM_HFI_INIT =
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{ "Command", "net_dm.cmd", FT_UINT8, BASE_DEC | BASE_EXT_STRING,
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&ws_net_dm_commands_vals_ext, 0x00, NULL, HFILL };
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static header_field_info hfi_net_dm_attrs NETLINK_NET_DM_HFI_INIT =
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{ "Attribute type", "net_dm.attr_type", FT_UINT16, BASE_DEC | BASE_EXT_STRING,
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&ws_net_dm_attrs_vals_ext, NLA_TYPE_MASK, NULL, HFILL };
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static header_field_info hfi_net_dm_alert_mode NETLINK_NET_DM_HFI_INIT =
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{ "Alert mode", "net_dm.alert_mode", FT_UINT8, BASE_DEC,
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VALS(ws_net_dm_alert_mode_vals), 0x00, NULL, HFILL };
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static header_field_info hfi_net_dm_pc NETLINK_NET_DM_HFI_INIT =
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{ "Program counter", "net_dm.pc", FT_UINT64, BASE_HEX,
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NULL, 0x00, NULL, HFILL };
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static header_field_info hfi_net_dm_symbol NETLINK_NET_DM_HFI_INIT =
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{ "Symbol", "net_dm.symbol", FT_STRINGZ, STR_ASCII,
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NULL, 0x00, NULL, HFILL };
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static header_field_info hfi_net_dm_attrs_port NETLINK_NET_DM_HFI_INIT =
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{ "Attribute type", "net_dm.port.attr_type", FT_UINT16, BASE_DEC,
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VALS(ws_net_dm_attrs_port_vals), NLA_TYPE_MASK, NULL, HFILL };
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static header_field_info hfi_net_dm_timestamp NETLINK_NET_DM_HFI_INIT =
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{ "Timestamp", "net_dm.timestamp", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL,
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NULL, 0x00, NULL, HFILL };
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static header_field_info hfi_net_dm_proto NETLINK_NET_DM_HFI_INIT =
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{ "Protocol", "net_dm.proto", FT_UINT16, BASE_HEX,
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NULL, 0x00, NULL, HFILL };
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static header_field_info hfi_net_dm_trunc_len NETLINK_NET_DM_HFI_INIT =
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{ "Truncation length", "net_dm.trunc_len", FT_UINT32, BASE_DEC,
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NULL, 0x00, NULL, HFILL };
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static header_field_info hfi_net_dm_orig_len NETLINK_NET_DM_HFI_INIT =
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{ "Original length", "net_dm.orig_len", FT_UINT32, BASE_DEC,
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NULL, 0x00, NULL, HFILL };
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static header_field_info hfi_net_dm_queue_len NETLINK_NET_DM_HFI_INIT =
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{ "Queue length", "net_dm.queue_len", FT_UINT32, BASE_DEC,
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NULL, 0x00, NULL, HFILL };
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static header_field_info hfi_net_dm_attrs_stats NETLINK_NET_DM_HFI_INIT =
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{ "Attribute type", "net_dm.stats.attr_type", FT_UINT16, BASE_DEC,
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VALS(ws_net_dm_attrs_stats_vals), NLA_TYPE_MASK, NULL, HFILL };
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static header_field_info hfi_net_dm_origin NETLINK_NET_DM_HFI_INIT =
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{ "Packet origin", "net_dm.origin", FT_UINT16, BASE_DEC,
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VALS(ws_net_dm_origin_vals), 0x00, NULL, HFILL };
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static header_field_info hfi_net_dm_hw_trap_group_name NETLINK_NET_DM_HFI_INIT =
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{ "Hardware trap group name", "net_dm.hw_trap_group_name", FT_STRINGZ,
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STR_ASCII, NULL, 0x00, NULL, HFILL };
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static header_field_info hfi_net_dm_hw_trap_name NETLINK_NET_DM_HFI_INIT =
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{ "Hardware trap name", "net_dm.hw_trap_name", FT_STRINGZ,
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STR_ASCII, NULL, 0x00, NULL, HFILL };
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static header_field_info hfi_net_dm_hw_trap_count NETLINK_NET_DM_HFI_INIT =
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{ "Hardware trap count", "net_dm.hw_trap_count", FT_UINT32, BASE_DEC,
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NULL, 0x00, NULL, HFILL };
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static header_field_info hfi_net_dm_sw NETLINK_NET_DM_HFI_INIT =
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{ "Software", "net_dm.sw", FT_NONE, BASE_NONE, NULL, 0x00, NULL,
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HFILL };
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static header_field_info hfi_net_dm_hw NETLINK_NET_DM_HFI_INIT =
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{ "Hardware", "net_dm.hw", FT_NONE, BASE_NONE, NULL, 0x00, NULL,
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HFILL };
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static header_field_info hfi_net_dm_port_netdev_index NETLINK_NET_DM_HFI_INIT =
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{ "Port net device index", "net_dm.port.netdev_index", FT_UINT32, BASE_DEC,
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NULL, 0x00, NULL, HFILL };
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static header_field_info hfi_net_dm_port_netdev_name NETLINK_NET_DM_HFI_INIT =
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{ "Port net device name", "net_dm.port.netdev_name", FT_STRINGZ, STR_ASCII,
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NULL, 0x00, NULL, HFILL };
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static header_field_info hfi_net_dm_stats_dropped NETLINK_NET_DM_HFI_INIT =
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{ "Dropped", "net_dm.stats.dropped", FT_UINT64, BASE_DEC,
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NULL, 0x00, NULL, HFILL };
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static header_field_info hfi_net_dm_flow_action_cookie NETLINK_NET_DM_HFI_INIT =
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{ "Flow action cookie", "net_dm.cookie", FT_BYTES, BASE_NONE,
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NULL, 0x00, NULL, HFILL };
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static int
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dissect_net_dm_attrs_port(tvbuff_t *tvb, void *data _U_, struct packet_netlink_data *nl_data, proto_tree *tree, int nla_type, int offset, int len)
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{
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enum ws_net_dm_attrs_port type = (enum ws_net_dm_attrs_port) nla_type & NLA_TYPE_MASK;
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const guint8 *str;
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guint32 value;
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switch (type) {
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case WS_NET_DM_ATTR_PORT_NETDEV_IFINDEX:
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proto_tree_add_item_ret_uint(tree, &hfi_net_dm_port_netdev_index, tvb, offset, len, nl_data->encoding, &value);
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proto_item_append_text(tree, ": %u", value);
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return 1;
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case WS_NET_DM_ATTR_PORT_NETDEV_NAME:
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proto_tree_add_item_ret_string(tree, &hfi_net_dm_port_netdev_name, tvb, offset, len, ENC_ASCII | ENC_NA, wmem_packet_scope(), &str);
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proto_item_append_text(tree, ": %s", str);
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return 1;
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default:
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return 0;
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}
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}
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static int
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dissect_net_dm_attrs_stats(tvbuff_t *tvb, void *data _U_, struct packet_netlink_data *nl_data, proto_tree *tree, int nla_type, int offset, int len)
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{
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enum ws_net_dm_attrs_port type = (enum ws_net_dm_attrs_port) nla_type & NLA_TYPE_MASK;
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switch (type) {
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case WS_NET_DM_ATTR_STATS_DROPPED:
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proto_tree_add_item(tree, &hfi_net_dm_stats_dropped, tvb, offset, len, nl_data->encoding);
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return 1;
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default:
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return 0;
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}
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}
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static int
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dissect_net_dm_attrs(tvbuff_t *tvb, void *data, struct packet_netlink_data *nl_data, proto_tree *tree, int nla_type, int offset, int len)
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{
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enum ws_net_dm_attrs type = (enum ws_net_dm_attrs) nla_type & NLA_TYPE_MASK;
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struct netlink_net_dm_info *info = (struct netlink_net_dm_info *) data;
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guint64 pc, timestamp;
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nstime_t ts_nstime;
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guint32 value;
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tvbuff_t *next_tvb;
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const guint8 *str;
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switch (type) {
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case WS_NET_DM_ATTR_ALERT_MODE:
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proto_tree_add_item(tree, &hfi_net_dm_alert_mode, tvb, offset, len, nl_data->encoding);
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return 1;
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case WS_NET_DM_ATTR_PC:
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proto_tree_add_item_ret_uint64(tree, &hfi_net_dm_pc, tvb,
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offset, 8, nl_data->encoding, &pc);
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proto_item_append_text(tree, ": 0x%" G_GINT64_MODIFIER "x", pc);
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return 1;
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case WS_NET_DM_ATTR_SYMBOL:
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proto_tree_add_item_ret_string(tree, &hfi_net_dm_symbol, tvb, offset, len, ENC_ASCII | ENC_NA, wmem_packet_scope(), &str);
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proto_item_append_text(tree, ": %s", str);
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return 1;
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case WS_NET_DM_ATTR_IN_PORT:
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return dissect_netlink_attributes(tvb, &hfi_net_dm_attrs_port, ett_net_dm_attrs_in_port, info, nl_data, tree, offset, len,
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dissect_net_dm_attrs_port);
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case WS_NET_DM_ATTR_TIMESTAMP:
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timestamp = tvb_get_guint64(tvb, offset, nl_data->encoding);
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ts_nstime.secs = timestamp / 1000000000;
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ts_nstime.nsecs = timestamp % 1000000000;
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proto_tree_add_time(tree, &hfi_net_dm_timestamp, tvb, offset, 8, &ts_nstime);
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return 1;
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case WS_NET_DM_ATTR_PROTO:
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info->protocol = tvb_get_guint16(tvb, offset, nl_data->encoding);
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/* This attribute encodes 'skb->protocol' and if it is greater
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* than or equal to 1536 (0x0600), then it is an Ethertype and
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* we need to treat the packet as Ethernet.
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*/
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if (info->protocol >= 1536 || info->protocol == LINUX_SLL_P_802_2)
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info->protocol = LINUX_SLL_P_ETHERNET;
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proto_tree_add_item(tree, &hfi_net_dm_proto, tvb, offset, len, nl_data->encoding);
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return 1;
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case WS_NET_DM_ATTR_PAYLOAD:
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next_tvb = tvb_new_subset_length(tvb, offset, len);
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if (!dissector_try_uint(sll_ltype_table, info->protocol, next_tvb, info->pinfo, tree))
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call_data_dissector(next_tvb, info->pinfo, tree);
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return 1;
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case WS_NET_DM_ATTR_TRUNC_LEN:
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proto_tree_add_item_ret_uint(tree, &hfi_net_dm_trunc_len, tvb, offset, len, nl_data->encoding, &value);
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proto_item_append_text(tree, ": %u", value);
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return 1;
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case WS_NET_DM_ATTR_ORIG_LEN:
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proto_tree_add_item_ret_uint(tree, &hfi_net_dm_orig_len, tvb, offset, len, nl_data->encoding, &value);
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proto_item_append_text(tree, ": %u", value);
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return 1;
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case WS_NET_DM_ATTR_QUEUE_LEN:
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proto_tree_add_item_ret_uint(tree, &hfi_net_dm_queue_len, tvb, offset, len, nl_data->encoding, &value);
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proto_item_append_text(tree, ": %u", value);
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return 1;
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case WS_NET_DM_ATTR_STATS:
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return dissect_netlink_attributes(tvb, &hfi_net_dm_attrs_stats, ett_net_dm_attrs_stats, info, nl_data, tree, offset, len,
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dissect_net_dm_attrs_stats);
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case WS_NET_DM_ATTR_HW_STATS:
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return dissect_netlink_attributes(tvb, &hfi_net_dm_attrs_stats, ett_net_dm_attrs_hw_stats, info, nl_data, tree, offset, len,
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dissect_net_dm_attrs_stats);
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case WS_NET_DM_ATTR_ORIGIN:
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proto_tree_add_item(tree, &hfi_net_dm_origin, tvb, offset, len, nl_data->encoding);
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return 1;
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case WS_NET_DM_ATTR_HW_TRAP_GROUP_NAME:
|
|
proto_tree_add_item_ret_string(tree, &hfi_net_dm_hw_trap_group_name, tvb, offset, len, ENC_ASCII | ENC_NA, wmem_packet_scope(), &str);
|
|
proto_item_append_text(tree, ": %s", str);
|
|
return 1;
|
|
case WS_NET_DM_ATTR_HW_TRAP_NAME:
|
|
proto_tree_add_item_ret_string(tree, &hfi_net_dm_hw_trap_name, tvb, offset, len, ENC_ASCII | ENC_NA, wmem_packet_scope(), &str);
|
|
proto_item_append_text(tree, ": %s", str);
|
|
return 1;
|
|
case WS_NET_DM_ATTR_HW_ENTRIES:
|
|
return dissect_netlink_attributes(tvb, &hfi_net_dm_attrs, ett_net_dm_attrs_hw_entries, info, nl_data, tree, offset, len,
|
|
dissect_net_dm_attrs);
|
|
case WS_NET_DM_ATTR_HW_ENTRY:
|
|
return dissect_netlink_attributes(tvb, &hfi_net_dm_attrs, ett_net_dm_attrs_hw_entry, info, nl_data, tree, offset, len,
|
|
dissect_net_dm_attrs);
|
|
case WS_NET_DM_ATTR_HW_TRAP_COUNT:
|
|
proto_tree_add_item_ret_uint(tree, &hfi_net_dm_hw_trap_count, tvb, offset, len, nl_data->encoding, &value);
|
|
proto_item_append_text(tree, ": %u", value);
|
|
return 1;
|
|
case WS_NET_DM_ATTR_SW_DROPS:
|
|
proto_tree_add_item(tree, &hfi_net_dm_sw, tvb, offset, len, nl_data->encoding);
|
|
return 1;
|
|
case WS_NET_DM_ATTR_HW_DROPS:
|
|
proto_tree_add_item(tree, &hfi_net_dm_hw, tvb, offset, len, nl_data->encoding);
|
|
return 1;
|
|
case WS_NET_DM_ATTR_FLOW_ACTION_COOKIE:
|
|
proto_tree_add_item(tree, &hfi_net_dm_flow_action_cookie, tvb, offset, len, ENC_NA);
|
|
return 1;
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
static int
|
|
dissect_netlink_net_dm(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
|
|
{
|
|
genl_info_t *genl_info = (genl_info_t *)data;
|
|
struct netlink_net_dm_info info;
|
|
proto_tree *nlmsg_tree;
|
|
proto_item *pi;
|
|
int offset;
|
|
|
|
DISSECTOR_ASSERT(genl_info);
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "net_dm");
|
|
col_clear(pinfo->cinfo, COL_INFO);
|
|
|
|
/* Generic netlink header */
|
|
offset = dissect_genl_header(tvb, genl_info, genl_info->nl_data, &hfi_net_dm_commands);
|
|
|
|
/* Not all commands have a payload */
|
|
if (!tvb_reported_length_remaining(tvb, offset))
|
|
/* XXX If you do not set the protocol item, you cannot filter on these messages */
|
|
return offset;
|
|
|
|
pi = proto_tree_add_item(tree, proto_registrar_get_nth(proto_netlink_net_dm), tvb, offset, -1, ENC_NA);
|
|
nlmsg_tree = proto_item_add_subtree(pi, ett_net_dm);
|
|
|
|
info.pinfo = pinfo;
|
|
info.protocol = 0;
|
|
|
|
offset = dissect_netlink_attributes_to_end(tvb, &hfi_net_dm_attrs, ett_net_dm_attrs, &info, genl_info->nl_data, nlmsg_tree, offset, dissect_net_dm_attrs);
|
|
|
|
return offset;
|
|
}
|
|
|
|
void
|
|
proto_register_netlink_net_dm(void)
|
|
{
|
|
#ifndef HAVE_HFI_SECTION_INIT
|
|
static header_field_info *hfi[] = {
|
|
&hfi_net_dm_commands,
|
|
&hfi_net_dm_attrs,
|
|
&hfi_net_dm_alert_mode,
|
|
&hfi_net_dm_pc,
|
|
&hfi_net_dm_symbol,
|
|
&hfi_net_dm_attrs_port,
|
|
&hfi_net_dm_timestamp,
|
|
&hfi_net_dm_proto,
|
|
&hfi_net_dm_trunc_len,
|
|
&hfi_net_dm_orig_len,
|
|
&hfi_net_dm_queue_len,
|
|
&hfi_net_dm_attrs_stats,
|
|
&hfi_net_dm_origin,
|
|
&hfi_net_dm_hw_trap_group_name,
|
|
&hfi_net_dm_hw_trap_name,
|
|
&hfi_net_dm_hw_trap_count,
|
|
&hfi_net_dm_sw,
|
|
&hfi_net_dm_hw,
|
|
&hfi_net_dm_port_netdev_index,
|
|
&hfi_net_dm_port_netdev_name,
|
|
&hfi_net_dm_stats_dropped,
|
|
&hfi_net_dm_flow_action_cookie,
|
|
};
|
|
#endif
|
|
|
|
static gint *ett[] = {
|
|
&ett_net_dm,
|
|
&ett_net_dm_attrs,
|
|
&ett_net_dm_attrs_in_port,
|
|
&ett_net_dm_attrs_stats,
|
|
&ett_net_dm_attrs_hw_stats,
|
|
&ett_net_dm_attrs_hw_entries,
|
|
&ett_net_dm_attrs_hw_entry,
|
|
};
|
|
|
|
proto_netlink_net_dm = proto_register_protocol("Linux net_dm (network drop monitor) protocol", "net_dm", "net_dm");
|
|
hfi_netlink_net_dm = proto_registrar_get_nth(proto_netlink_net_dm);
|
|
|
|
proto_register_fields(proto_netlink_net_dm, hfi, array_length(hfi));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
|
|
netlink_net_dm_handle = create_dissector_handle(dissect_netlink_net_dm, proto_netlink_net_dm);
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_netlink_net_dm(void)
|
|
{
|
|
dissector_add_string("genl.family", "NET_DM", netlink_net_dm_handle);
|
|
sll_ltype_table = find_dissector_table("sll.ltype");
|
|
}
|
|
|
|
/*
|
|
* Editor modelines - https://www.wireshark.org/tools/modelines.html
|
|
*
|
|
* Local variables:
|
|
* c-basic-offset: 8
|
|
* tab-width: 8
|
|
* indent-tabs-mode: t
|
|
* End:
|
|
*
|
|
* vi: set shiftwidth=8 tabstop=8 noexpandtab:
|
|
* :indentSize=8:tabSize=8:noTabs=false:
|
|
*/
|