drivers/staging/rtl8712/ieee80211.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /******************************************************************************
   3  *
   4  * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
   5  *
   6  * Modifications for inclusion into the Linux staging tree are
   7  * Copyright(c) 2010 Larry Finger. All rights reserved.
   8  *
   9  * Contact information:
  10  * WLAN FAE <wlanfae@realtek.com>
  11  * Larry Finger <Larry.Finger@lwfinger.net>
  12  *
  13  ******************************************************************************/
  14 #ifndef __IEEE80211_H
  15 #define __IEEE80211_H
  16
  17 #include <linux/ieee80211.h>
  18
  19 #define IEEE_CMD_SET_WPA_PARAM                  1
  20 #define IEEE_CMD_SET_WPA_IE                     2
  21 #define IEEE_CMD_SET_ENCRYPTION                 3
  22 #define IEEE_CMD_MLME                           4
  23
  24 #define IEEE_PARAM_WPA_ENABLED                  1
  25 #define IEEE_PARAM_TKIP_COUNTERMEASURES         2
  26 #define IEEE_PARAM_DROP_UNENCRYPTED             3
  27 #define IEEE_PARAM_PRIVACY_INVOKED              4
  28 #define IEEE_PARAM_AUTH_ALGS                    5
  29 #define IEEE_PARAM_IEEE_802_1X                  6
  30 #define IEEE_PARAM_WPAX_SELECT                  7
  31
  32 #define AUTH_ALG_OPEN_SYSTEM                    0x1
  33 #define AUTH_ALG_SHARED_KEY                     0x2
  34 #define AUTH_ALG_LEAP                           0x00000004
  35
  36 #define IEEE_MLME_STA_DEAUTH                    1
  37 #define IEEE_MLME_STA_DISASSOC                  2
  38
  39 #define IEEE_CRYPT_ERR_UNKNOWN_ALG              2
  40 #define IEEE_CRYPT_ERR_UNKNOWN_ADDR             3
  41 #define IEEE_CRYPT_ERR_CRYPT_INIT_FAILED        4
  42 #define IEEE_CRYPT_ERR_KEY_SET_FAILED           5
  43 #define IEEE_CRYPT_ERR_TX_KEY_SET_FAILED        6
  44 #define IEEE_CRYPT_ERR_CARD_CONF_FAILED         7
  45
  46 #define IEEE_CRYPT_ALG_NAME_LEN                 16
  47
  48 #define WPA_CIPHER_NONE                         BIT(0)
  49 #define WPA_CIPHER_WEP40                        BIT(1)
  50 #define WPA_CIPHER_WEP104                       BIT(2)
  51 #define WPA_CIPHER_TKIP                         BIT(3)
  52 #define WPA_CIPHER_CCMP                         BIT(4)
  53
  54 #define WPA_SELECTOR_LEN                        4
  55 #define RSN_HEADER_LEN                          4
  56
  57 #define RSN_SELECTOR_LEN 4
  58
  59 enum NETWORK_TYPE {
  60         WIRELESS_INVALID        = 0,
  61         WIRELESS_11B            = 1,
  62         WIRELESS_11G            = 2,
  63         WIRELESS_11BG           = (WIRELESS_11B | WIRELESS_11G),
  64         WIRELESS_11A            = 4,
  65         WIRELESS_11N            = 8,
  66         WIRELESS_11GN           = (WIRELESS_11G | WIRELESS_11N),
  67         WIRELESS_11BGN          = (WIRELESS_11B | WIRELESS_11G | WIRELESS_11N),
  68 };
  69
  70 struct ieee_param {
  71         u32 cmd;
  72         u8 sta_addr[ETH_ALEN];
  73         union {
  74                 struct {
  75                         u8 name;
  76                         u32 value;
  77                 } wpa_param;
  78                 struct {
  79                         u32 len;
  80                         u8 reserved[32];
  81                         u8 data[0];
  82                 } wpa_ie;
  83                 struct {
  84                         int command;
  85                         int reason_code;
  86                 } mlme;
  87                 struct {
  88                         u8 alg[IEEE_CRYPT_ALG_NAME_LEN];
  89                         u8 set_tx;
  90                         u32 err;
  91                         u8 idx;
  92                         u8 seq[8]; /* sequence counter (set: RX, get: TX) */
  93                         u16 key_len;
  94                         u8 key[0];
  95                 } crypt;
  96         } u;
  97 };
  98
  99 #define MIN_FRAG_THRESHOLD     256U
 100 #define MAX_FRAG_THRESHOLD     2346U
 101
 102 /* QoS,QOS */
 103 #define NORMAL_ACK                      0
 104
 105 /* IEEE 802.11 defines */
 106
 107 #define P80211_OUI_LEN 3
 108
 109 struct ieee80211_snap_hdr {
 110         u8    dsap;   /* always 0xAA */
 111         u8    ssap;   /* always 0xAA */
 112         u8    ctrl;   /* always 0x03 */
 113         u8    oui[P80211_OUI_LEN];    /* organizational universal id */
 114 } __packed;
 115
 116 #define SNAP_SIZE sizeof(struct ieee80211_snap_hdr)
 117
 118 #define IEEE80211_CCK_RATE_LEN                  4
 119 #define IEEE80211_NUM_OFDM_RATESLEN     8
 120
 121 #define IEEE80211_CCK_RATE_1MB                  0x02
 122 #define IEEE80211_CCK_RATE_2MB                  0x04
 123 #define IEEE80211_CCK_RATE_5MB                  0x0B
 124 #define IEEE80211_CCK_RATE_11MB                 0x16
 125 #define IEEE80211_OFDM_RATE_6MB                 0x0C
 126 #define IEEE80211_OFDM_RATE_9MB                 0x12
 127 #define IEEE80211_OFDM_RATE_12MB                0x18
 128 #define IEEE80211_OFDM_RATE_18MB                0x24
 129 #define IEEE80211_OFDM_RATE_24MB                0x30
 130 #define IEEE80211_OFDM_RATE_36MB                0x48
 131 #define IEEE80211_OFDM_RATE_48MB                0x60
 132 #define IEEE80211_OFDM_RATE_54MB                0x6C
 133 #define IEEE80211_BASIC_RATE_MASK               0x80
 134
 135 #define WEP_KEYS 4
 136
 137 /* MAX_RATES_LENGTH needs to be 12.  The spec says 8, and many APs
 138  * only use 8, and then use extended rates for the remaining supported
 139  * rates.  Other APs, however, stick all of their supported rates on the
 140  * main rates information element...
 141  */
 142 #define MAX_RATES_LENGTH                  ((u8)12)
 143 #define MAX_WPA_IE_LEN 128
 144
 145 struct registry_priv;
 146
 147 u8 *r8712_set_ie(u8 *pbuf, sint index, uint len, u8 *source, uint *frlen);
 148 u8 *r8712_get_ie(u8 *pbuf, sint index, uint *len, sint limit);
 149 unsigned char *r8712_get_wpa_ie(unsigned char *pie, uint *rsn_ie_len,
 150                                 int limit);
 151 unsigned char *r8712_get_wpa2_ie(unsigned char *pie, uint *rsn_ie_len,
 152                                  int limit);
 153 int r8712_parse_wpa_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher,
 154                        int *pairwise_cipher);
 155 int r8712_parse_wpa2_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher,
 156                         int *pairwise_cipher);
 157 int r8712_get_sec_ie(u8 *in_ie, uint in_len, u8 *rsn_ie, u16 *rsn_len,
 158                      u8 *wpa_ie, u16 *wpa_len);
 159 int r8712_get_wps_ie(u8 *in_ie, uint in_len, u8 *wps_ie, uint *wps_ielen);
 160 int r8712_generate_ie(struct registry_priv *pregistrypriv);
 161 uint r8712_is_cckrates_included(u8 *rate);
 162 uint r8712_is_cckratesonly_included(u8 *rate);
 163
 164 #endif /* IEEE80211_H */
 165