src/tcpedit/plugins/dlt_ieee80211/ieee80211_types.h
/* $Id$ */
/*
* Copyright (c) 2001-2010 Aaron Turner <aturner at synfin dot net>
* Copyright (c) 2013-2022 Fred Klassen <tcpreplay at appneta dot com> - AppNeta
*
* The Tcpreplay Suite of tools is free software: you can redistribute it
* and/or modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or with the authors permission any later version.
*
* The Tcpreplay Suite is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with the Tcpreplay Suite. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "plugins_types.h"
#ifdef __cplusplus
extern "C" {
#endif
/* 802.11 packet header w/ 3 addresses (non-WDS) */
typedef struct {
u_int16_t frame_control;
/* version is first two bytes */
#define ieee80211_FC_VERSION_MASK 0x0300
/* type is second 2 bytes */
#define ieee80211_FC_TYPE_MASK 0x0F00
#define ieee80211_FC_TYPE_DATA 0x0800
#define ieee80211_FC_TYPE_MGMT 0x0000
#define ieee80211_FC_TYPE_CONTROL 0x0400
/* subtype is the 4 high bytes */
#define ieee80211_FC_SUBTYPE_MASK 0xF000
#define ieee80211_FC_SUBTYPE_QOS 0x8000 /* high bit is QoS, but there are sub-sub types for QoS */
#define ieee80211_FC_SUBTYPE_NULL 0xC000 /* no data */
/* Direction */
#define ieee80211_FC_TO_DS_MASK 0x0001
#define ieee80211_FC_FROM_DS_MASK 0x0002
/* Flags */
#define ieee80211_FC_MORE_FRAG 0x0004
#define ieee80211_FC_RETRY_MASK 0x0008
#define ieee80211_FC_PWR_MGMT_MASK 0x0010
#define ieee80211_FC_MORE_DATA_MASK 0x0020
#define ieee80211_FC_WEP_MASK 0x0040
#define ieee80211_FC_ORDER_MASK 0x0080
u_int16_t duration;
u_char addr1[6];
u_char addr2[6];
u_char addr3[6];
u_int16_t fragid;
} ieee80211_hdr_t;
typedef struct {
u_int16_t frame_control;
u_int16_t duration;
u_char addr1[6];
u_char addr2[6];
u_char addr3[6];
u_char addr4[6];
u_int16_t fragid;
} ieee80211_addr4_hdr_t;
#define ieee80211_USE_4(frame_control) \
(frame_control & (ieee80211_FC_TO_DS_MASK + ieee80211_FC_FROM_DS_MASK)) == \
(ieee80211_FC_TO_DS_MASK + ieee80211_FC_FROM_DS_MASK)
/*
* FIXME: structure to hold any data parsed from the packet by the decoder.
* Example: Ethernet VLAN tag info
*/
typedef struct {
u_char packet[MAXPACKET];
} ieee80211_extra_t;
/*
* FIXME: structure to hold any data in the tcpeditdlt_plugin_t->config
* Things like:
* - Parsed user options
* - State between packets
* - Note, you should only use this for the encoder function, decoder functions should place
* "extra" data parsed from the packet in the tcpeditdlt_t->decoded_extra buffer since that
* is available to any encoder plugin.
*/
typedef struct {
/* dummy entry for SunPro compiler which doesn't like empty structs */
int dummy;
} ieee80211_config_t;
#ifdef __cplusplus
}
#endif