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|
/* SPDX-License-Identifier: GPL-2.0 */
/******************************************************************************
*
* Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
*
* Modifications for inclusion into the Linux staging tree are
* Copyright(c) 2010 Larry Finger. All rights reserved.
*
* Contact information:
* WLAN FAE <wlanfae@realtek.com>
* Larry Finger <Larry.Finger@lwfinger.net>
*
******************************************************************************/
#ifndef __IEEE80211_H
#define __IEEE80211_H
#include "osdep_service.h"
#include "drv_types.h"
#include "wifi.h"
#include <linux/compiler.h>
#include <linux/wireless.h>
#define MGMT_QUEUE_NUM 5
#define ETH_ALEN 6
#define IEEE_CMD_SET_WPA_PARAM 1
#define IEEE_CMD_SET_WPA_IE 2
#define IEEE_CMD_SET_ENCRYPTION 3
#define IEEE_CMD_MLME 4
#define IEEE_PARAM_WPA_ENABLED 1
#define IEEE_PARAM_TKIP_COUNTERMEASURES 2
#define IEEE_PARAM_DROP_UNENCRYPTED 3
#define IEEE_PARAM_PRIVACY_INVOKED 4
#define IEEE_PARAM_AUTH_ALGS 5
#define IEEE_PARAM_IEEE_802_1X 6
#define IEEE_PARAM_WPAX_SELECT 7
#define AUTH_ALG_OPEN_SYSTEM 0x1
#define AUTH_ALG_SHARED_KEY 0x2
#define AUTH_ALG_LEAP 0x00000004
#define IEEE_MLME_STA_DEAUTH 1
#define IEEE_MLME_STA_DISASSOC 2
#define IEEE_CRYPT_ERR_UNKNOWN_ALG 2
#define IEEE_CRYPT_ERR_UNKNOWN_ADDR 3
#define IEEE_CRYPT_ERR_CRYPT_INIT_FAILED 4
#define IEEE_CRYPT_ERR_KEY_SET_FAILED 5
#define IEEE_CRYPT_ERR_TX_KEY_SET_FAILED 6
#define IEEE_CRYPT_ERR_CARD_CONF_FAILED 7
#define IEEE_CRYPT_ALG_NAME_LEN 16
#define WPA_CIPHER_NONE BIT(0)
#define WPA_CIPHER_WEP40 BIT(1)
#define WPA_CIPHER_WEP104 BIT(2)
#define WPA_CIPHER_TKIP BIT(3)
#define WPA_CIPHER_CCMP BIT(4)
#define WPA_SELECTOR_LEN 4
#define RSN_HEADER_LEN 4
#define RSN_SELECTOR_LEN 4
enum NETWORK_TYPE {
WIRELESS_INVALID = 0,
WIRELESS_11B = 1,
WIRELESS_11G = 2,
WIRELESS_11BG = (WIRELESS_11B | WIRELESS_11G),
WIRELESS_11A = 4,
WIRELESS_11N = 8,
WIRELESS_11GN = (WIRELESS_11G | WIRELESS_11N),
WIRELESS_11BGN = (WIRELESS_11B | WIRELESS_11G | WIRELESS_11N),
};
struct ieee_param {
u32 cmd;
u8 sta_addr[ETH_ALEN];
union {
struct {
u8 name;
u32 value;
} wpa_param;
struct {
u32 len;
u8 reserved[32];
u8 data[0];
} wpa_ie;
struct {
int command;
int reason_code;
} mlme;
struct {
u8 alg[IEEE_CRYPT_ALG_NAME_LEN];
u8 set_tx;
u32 err;
u8 idx;
u8 seq[8]; /* sequence counter (set: RX, get: TX) */
u16 key_len;
u8 key[0];
} crypt;
} u;
};
#define IEEE80211_DATA_LEN 2304
/* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
* 6.2.1.1.2.
*
* The figure in section 7.1.2 suggests a body size of up to 2312
* bytes is allowed, which is a bit confusing, I suspect this
* represents the 2304 bytes of real data, plus a possible 8 bytes of
* WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro)
*/
#define IEEE80211_HLEN 30
#define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
/* this is stolen from ipw2200 driver */
#define IEEE_IBSS_MAC_HASH_SIZE 31
struct ieee_ibss_seq {
u8 mac[ETH_ALEN];
u16 seq_num;
u16 frag_num;
unsigned long packet_time;
struct list_head list;
};
struct ieee80211_hdr {
__le16 frame_ctl;
__le16 duration_id;
u8 addr1[ETH_ALEN];
u8 addr2[ETH_ALEN];
u8 addr3[ETH_ALEN];
__le16 seq_ctl;
u8 addr4[ETH_ALEN];
} __packed __aligned(2);
struct ieee80211_hdr_3addr {
__le16 frame_ctl;
__le16 duration_id;
u8 addr1[ETH_ALEN];
u8 addr2[ETH_ALEN];
u8 addr3[ETH_ALEN];
__le16 seq_ctl;
} __packed __aligned(2);
struct ieee80211_hdr_qos {
__le16 frame_ctl;
__le16 duration_id;
u8 addr1[ETH_ALEN];
u8 addr2[ETH_ALEN];
u8 addr3[ETH_ALEN];
__le16 seq_ctl;
u8 addr4[ETH_ALEN];
__le16 qc;
} __packed __aligned(2);
struct ieee80211_hdr_3addr_qos {
__le16 frame_ctl;
__le16 duration_id;
u8 addr1[ETH_ALEN];
u8 addr2[ETH_ALEN];
u8 addr3[ETH_ALEN];
__le16 seq_ctl;
__le16 qc;
} __packed;
struct eapol {
u8 snap[6];
__be16 ethertype;
u8 version;
u8 type;
__le16 length;
} __packed;
enum eap_type {
EAP_PACKET = 0,
EAPOL_START,
EAPOL_LOGOFF,
EAPOL_KEY,
EAPOL_ENCAP_ASF_ALERT
};
#define IEEE80211_3ADDR_LEN 24
#define IEEE80211_4ADDR_LEN 30
#define IEEE80211_FCS_LEN 4
#define MIN_FRAG_THRESHOLD 256U
#define MAX_FRAG_THRESHOLD 2346U
/* Frame control field constants */
#define IEEE80211_FCTL_VERS 0x0002
#define IEEE80211_FCTL_FTYPE 0x000c
#define IEEE80211_FCTL_STYPE 0x00f0
#define IEEE80211_FCTL_TODS 0x0100
#define IEEE80211_FCTL_FROMDS 0x0200
#define IEEE80211_FCTL_MOREFRAGS 0x0400
#define IEEE80211_FCTL_RETRY 0x0800
#define IEEE80211_FCTL_PM 0x1000
#define IEEE80211_FCTL_MOREDATA 0x2000
#define IEEE80211_FCTL_WEP 0x4000
#define IEEE80211_FCTL_ORDER 0x8000
#define IEEE80211_FTYPE_MGMT 0x0000
#define IEEE80211_FTYPE_CTL 0x0004
#define IEEE80211_FTYPE_DATA 0x0008
/* management */
#define IEEE80211_STYPE_ASSOC_REQ 0x0000
#define IEEE80211_STYPE_ASSOC_RESP 0x0010
#define IEEE80211_STYPE_REASSOC_REQ 0x0020
#define IEEE80211_STYPE_REASSOC_RESP 0x0030
#define IEEE80211_STYPE_PROBE_REQ 0x0040
#define IEEE80211_STYPE_PROBE_RESP 0x0050
#define IEEE80211_STYPE_BEACON 0x0080
#define IEEE80211_STYPE_ATIM 0x0090
#define IEEE80211_STYPE_DISASSOC 0x00A0
#define IEEE80211_STYPE_AUTH 0x00B0
#define IEEE80211_STYPE_DEAUTH 0x00C0
/* control */
#define IEEE80211_STYPE_PSPOLL 0x00A0
#define IEEE80211_STYPE_RTS 0x00B0
#define IEEE80211_STYPE_CTS 0x00C0
#define IEEE80211_STYPE_ACK 0x00D0
#define IEEE80211_STYPE_CFEND 0x00E0
#define IEEE80211_STYPE_CFENDACK 0x00F0
/* data */
#define IEEE80211_STYPE_DATA 0x0000
#define IEEE80211_STYPE_DATA_CFACK 0x0010
#define IEEE80211_STYPE_DATA_CFPOLL 0x0020
#define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030
#define IEEE80211_STYPE_NULLFUNC 0x0040
#define IEEE80211_STYPE_CFACK 0x0050
#define IEEE80211_STYPE_CFPOLL 0x0060
#define IEEE80211_STYPE_CFACKPOLL 0x0070
#define IEEE80211_QOS_DATAGRP 0x0080
#define IEEE80211_SCTL_FRAG 0x000F
#define IEEE80211_SCTL_SEQ 0xFFF0
/* QoS,QOS */
#define NORMAL_ACK 0
#define NO_ACK 1
#define NON_EXPLICIT_ACK 2
#define BLOCK_ACK 3
#ifndef ETH_P_PAE
#define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */
#endif /* ETH_P_PAE */
#define ETH_P_PREAUTH 0x88C7 /* IEEE 802.11i pre-authentication */
#define ETH_P_ECONET 0x0018
#ifndef ETH_P_80211_RAW
#define ETH_P_80211_RAW (ETH_P_ECONET + 1)
#endif
/* IEEE 802.11 defines */
#define P80211_OUI_LEN 3
struct ieee80211_snap_hdr {
u8 dsap; /* always 0xAA */
u8 ssap; /* always 0xAA */
u8 ctrl; /* always 0x03 */
u8 oui[P80211_OUI_LEN]; /* organizational universal id */
} __packed;
#define SNAP_SIZE sizeof(struct ieee80211_snap_hdr)
#define WLAN_FC_GET_TYPE(fc) ((fc) & IEEE80211_FCTL_FTYPE)
#define WLAN_FC_GET_STYPE(fc) ((fc) & IEEE80211_FCTL_STYPE)
#define WLAN_QC_GET_TID(qc) ((qc) & 0x0f)
#define WLAN_GET_SEQ_FRAG(seq) ((seq) & IEEE80211_SCTL_FRAG)
#define WLAN_GET_SEQ_SEQ(seq) ((seq) & IEEE80211_SCTL_SEQ)
/* Authentication algorithms */
#define WLAN_AUTH_OPEN 0
#define WLAN_AUTH_SHARED_KEY 1
#define WLAN_AUTH_CHALLENGE_LEN 128
#define WLAN_CAPABILITY_BSS BIT(0)
#define WLAN_CAPABILITY_IBSS BIT(1)
#define WLAN_CAPABILITY_CF_POLLABLE BIT(2)
#define WLAN_CAPABILITY_CF_POLL_REQUEST BIT(3)
#define WLAN_CAPABILITY_PRIVACY BIT(4)
#define WLAN_CAPABILITY_SHORT_PREAMBLE BIT(5)
#define WLAN_CAPABILITY_PBCC BIT(6)
#define WLAN_CAPABILITY_CHANNEL_AGILITY BIT(7)
#define WLAN_CAPABILITY_SHORT_SLOT BIT(10)
/* Information Element IDs */
#define WLAN_EID_SSID 0
#define WLAN_EID_SUPP_RATES 1
#define WLAN_EID_FH_PARAMS 2
#define WLAN_EID_DS_PARAMS 3
#define WLAN_EID_CF_PARAMS 4
#define WLAN_EID_TIM 5
#define WLAN_EID_IBSS_PARAMS 6
#define WLAN_EID_CHALLENGE 16
#define WLAN_EID_RSN 48
#define WLAN_EID_GENERIC 221
#define IEEE80211_MGMT_HDR_LEN 24
#define IEEE80211_DATA_HDR3_LEN 24
#define IEEE80211_DATA_HDR4_LEN 30
#define IEEE80211_STATMASK_SIGNAL BIT(0)
#define IEEE80211_STATMASK_RSSI BIT(1)
#define IEEE80211_STATMASK_NOISE BIT(2)
#define IEEE80211_STATMASK_RATE BIT(3)
#define IEEE80211_STATMASK_WEMASK 0x7
#define IEEE80211_CCK_MODULATION BIT(0)
#define IEEE80211_OFDM_MODULATION BIT(1)
#define IEEE80211_24GHZ_BAND BIT(0)
#define IEEE80211_52GHZ_BAND BIT(1)
#define IEEE80211_CCK_RATE_LEN 4
#define IEEE80211_NUM_OFDM_RATESLEN 8
#define IEEE80211_CCK_RATE_1MB 0x02
#define IEEE80211_CCK_RATE_2MB 0x04
#define IEEE80211_CCK_RATE_5MB 0x0B
#define IEEE80211_CCK_RATE_11MB 0x16
#define IEEE80211_OFDM_RATE_LEN 8
#define IEEE80211_OFDM_RATE_6MB 0x0C
#define IEEE80211_OFDM_RATE_9MB 0x12
#define IEEE80211_OFDM_RATE_12MB 0x18
#define IEEE80211_OFDM_RATE_18MB 0x24
#define IEEE80211_OFDM_RATE_24MB 0x30
#define IEEE80211_OFDM_RATE_36MB 0x48
#define IEEE80211_OFDM_RATE_48MB 0x60
#define IEEE80211_OFDM_RATE_54MB 0x6C
#define IEEE80211_BASIC_RATE_MASK 0x80
#define IEEE80211_CCK_RATE_1MB_MASK BIT(0)
#define IEEE80211_CCK_RATE_2MB_MASK BIT(1)
#define IEEE80211_CCK_RATE_5MB_MASK BIT(2)
#define IEEE80211_CCK_RATE_11MB_MASK BIT(3)
#define IEEE80211_OFDM_RATE_6MB_MASK BIT(4)
#define IEEE80211_OFDM_RATE_9MB_MASK BIT(5)
#define IEEE80211_OFDM_RATE_12MB_MASK BIT(6)
#define IEEE80211_OFDM_RATE_18MB_MASK BIT(7)
#define IEEE80211_OFDM_RATE_24MB_MASK BIT(8)
#define IEEE80211_OFDM_RATE_36MB_MASK BIT(9)
#define IEEE80211_OFDM_RATE_48MB_MASK BIT(10)
#define IEEE80211_OFDM_RATE_54MB_MASK BIT(11)
#define IEEE80211_CCK_RATES_MASK 0x0000000F
#define IEEE80211_CCK_BASIC_RATES_MASK (IEEE80211_CCK_RATE_1MB_MASK | \
IEEE80211_CCK_RATE_2MB_MASK)
#define IEEE80211_CCK_DEFAULT_RATES_MASK (IEEE80211_CCK_BASIC_RATES_MASK | \
IEEE80211_CCK_RATE_5MB_MASK | \
IEEE80211_CCK_RATE_11MB_MASK)
#define IEEE80211_OFDM_RATES_MASK 0x00000FF0
#define IEEE80211_OFDM_BASIC_RATES_MASK (IEEE80211_OFDM_RATE_6MB_MASK | \
IEEE80211_OFDM_RATE_12MB_MASK | \
IEEE80211_OFDM_RATE_24MB_MASK)
#define IEEE80211_OFDM_DEFAULT_RATES_MASK (IEEE80211_OFDM_BASIC_RATES_MASK | \
IEEE80211_OFDM_RATE_9MB_MASK | \
IEEE80211_OFDM_RATE_18MB_MASK | \
IEEE80211_OFDM_RATE_36MB_MASK | \
IEEE80211_OFDM_RATE_48MB_MASK | \
IEEE80211_OFDM_RATE_54MB_MASK)
#define IEEE80211_DEFAULT_RATES_MASK (IEEE80211_OFDM_DEFAULT_RATES_MASK | \
IEEE80211_CCK_DEFAULT_RATES_MASK)
#define IEEE80211_NUM_OFDM_RATES 8
#define IEEE80211_NUM_CCK_RATES 4
#define IEEE80211_OFDM_SHIFT_MASK_A 4
/* NOTE: This data is for statistical purposes; not all hardware provides this
* information for frames received. Not setting these will not cause
* any adverse affects.
*/
struct ieee80211_rx_stats {
s8 rssi;
u8 signal;
u8 noise;
u8 received_channel;
u16 rate; /* in 100 kbps */
u8 mask;
u8 freq;
u16 len;
};
/* IEEE 802.11 requires that STA supports concurrent reception of at least
* three fragmented frames. This define can be increased to support more
* concurrent frames, but it should be noted that each entry can consume a
|