contrib/hostapd-0.5.8/hostap_common.h

   1 /*
   2  * hostapd / Kernel driver communication with Linux Host AP driver
   3  * Copyright (c) 2002-2006, Jouni Malinen <j@w1.fi>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2 as
   7  * published by the Free Software Foundation.
   8  *
   9  * Alternatively, this software may be distributed under the terms of BSD
  10  * license.
  11  *
  12  * See README and COPYING for more details.
  13  */
  14
  15 #ifndef HOSTAP_COMMON_H
  16 #define HOSTAP_COMMON_H
  17
  18 /* netdevice private ioctls (used, e.g., with iwpriv from user space) */
  19
  20 /* New wireless extensions API - SET/GET convention (even ioctl numbers are
  21  * root only)
  22  */
  23 #define PRISM2_IOCTL_PRISM2_PARAM (SIOCIWFIRSTPRIV + 0)
  24 #define PRISM2_IOCTL_GET_PRISM2_PARAM (SIOCIWFIRSTPRIV + 1)
  25 #define PRISM2_IOCTL_WRITEMIF (SIOCIWFIRSTPRIV + 2)
  26 #define PRISM2_IOCTL_READMIF (SIOCIWFIRSTPRIV + 3)
  27 #define PRISM2_IOCTL_MONITOR (SIOCIWFIRSTPRIV + 4)
  28 #define PRISM2_IOCTL_RESET (SIOCIWFIRSTPRIV + 6)
  29 #define PRISM2_IOCTL_INQUIRE (SIOCIWFIRSTPRIV + 8)
  30 #define PRISM2_IOCTL_WDS_ADD (SIOCIWFIRSTPRIV + 10)
  31 #define PRISM2_IOCTL_WDS_DEL (SIOCIWFIRSTPRIV + 12)
  32 #define PRISM2_IOCTL_SET_RID_WORD (SIOCIWFIRSTPRIV + 14)
  33 #define PRISM2_IOCTL_MACCMD (SIOCIWFIRSTPRIV + 16)
  34 #define PRISM2_IOCTL_ADDMAC (SIOCIWFIRSTPRIV + 18)
  35 #define PRISM2_IOCTL_DELMAC (SIOCIWFIRSTPRIV + 20)
  36 #define PRISM2_IOCTL_KICKMAC (SIOCIWFIRSTPRIV + 22)
  37
  38 /* following are not in SIOCGIWPRIV list; check permission in the driver code
  39  */
  40 #define PRISM2_IOCTL_DOWNLOAD (SIOCDEVPRIVATE + 13)
  41 #define PRISM2_IOCTL_HOSTAPD (SIOCDEVPRIVATE + 14)
  42
  43
  44 /* PRISM2_IOCTL_PRISM2_PARAM ioctl() subtypes: */
  45 enum {
  46         /* PRISM2_PARAM_PTYPE = 1, */ /* REMOVED 2003-10-22 */
  47         PRISM2_PARAM_TXRATECTRL = 2,
  48         PRISM2_PARAM_BEACON_INT = 3,
  49         PRISM2_PARAM_PSEUDO_IBSS = 4,
  50         PRISM2_PARAM_ALC = 5,
  51         /* PRISM2_PARAM_TXPOWER = 6, */ /* REMOVED 2003-10-22 */
  52         PRISM2_PARAM_DUMP = 7,
  53         PRISM2_PARAM_OTHER_AP_POLICY = 8,
  54         PRISM2_PARAM_AP_MAX_INACTIVITY = 9,
  55         PRISM2_PARAM_AP_BRIDGE_PACKETS = 10,
  56         PRISM2_PARAM_DTIM_PERIOD = 11,
  57         PRISM2_PARAM_AP_NULLFUNC_ACK = 12,
  58         PRISM2_PARAM_MAX_WDS = 13,
  59         PRISM2_PARAM_AP_AUTOM_AP_WDS = 14,
  60         PRISM2_PARAM_AP_AUTH_ALGS = 15,
  61         PRISM2_PARAM_MONITOR_ALLOW_FCSERR = 16,
  62         PRISM2_PARAM_HOST_ENCRYPT = 17,
  63         PRISM2_PARAM_HOST_DECRYPT = 18,
  64         PRISM2_PARAM_BUS_MASTER_THRESHOLD_RX = 19,
  65         PRISM2_PARAM_BUS_MASTER_THRESHOLD_TX = 20,
  66         PRISM2_PARAM_HOST_ROAMING = 21,
  67         PRISM2_PARAM_BCRX_STA_KEY = 22,
  68         PRISM2_PARAM_IEEE_802_1X = 23,
  69         PRISM2_PARAM_ANTSEL_TX = 24,
  70         PRISM2_PARAM_ANTSEL_RX = 25,
  71         PRISM2_PARAM_MONITOR_TYPE = 26,
  72         PRISM2_PARAM_WDS_TYPE = 27,
  73         PRISM2_PARAM_HOSTSCAN = 28,
  74         PRISM2_PARAM_AP_SCAN = 29,
  75         PRISM2_PARAM_ENH_SEC = 30,
  76         PRISM2_PARAM_IO_DEBUG = 31,
  77         PRISM2_PARAM_BASIC_RATES = 32,
  78         PRISM2_PARAM_OPER_RATES = 33,
  79         PRISM2_PARAM_HOSTAPD = 34,
  80         PRISM2_PARAM_HOSTAPD_STA = 35,
  81         PRISM2_PARAM_WPA = 36,
  82         PRISM2_PARAM_PRIVACY_INVOKED = 37,
  83         PRISM2_PARAM_TKIP_COUNTERMEASURES = 38,
  84         PRISM2_PARAM_DROP_UNENCRYPTED = 39,
  85         PRISM2_PARAM_SCAN_CHANNEL_MASK = 40,
  86 };
  87
  88 enum { HOSTAP_ANTSEL_DO_NOT_TOUCH = 0, HOSTAP_ANTSEL_DIVERSITY = 1,
  89        HOSTAP_ANTSEL_LOW = 2, HOSTAP_ANTSEL_HIGH = 3 };
  90
  91
  92 /* PRISM2_IOCTL_MACCMD ioctl() subcommands: */
  93 enum { AP_MAC_CMD_POLICY_OPEN = 0, AP_MAC_CMD_POLICY_ALLOW = 1,
  94        AP_MAC_CMD_POLICY_DENY = 2, AP_MAC_CMD_FLUSH = 3,
  95        AP_MAC_CMD_KICKALL = 4 };
  96
  97
  98 /* PRISM2_IOCTL_DOWNLOAD ioctl() dl_cmd: */
  99 enum {
 100         PRISM2_DOWNLOAD_VOLATILE = 1 /* RAM */,
 101         /* Note! Old versions of prism2_srec have a fatal error in CRC-16
 102          * calculation, which will corrupt all non-volatile downloads.
 103          * PRISM2_DOWNLOAD_NON_VOLATILE used to be 2, but it is now 3 to
 104          * prevent use of old versions of prism2_srec for non-volatile
 105          * download. */
 106         PRISM2_DOWNLOAD_NON_VOLATILE = 3 /* FLASH */,
 107         PRISM2_DOWNLOAD_VOLATILE_GENESIS = 4 /* RAM in Genesis mode */,
 108         /* Persistent versions of volatile download commands (keep firmware
 109          * data in memory and automatically re-download after hw_reset */
 110         PRISM2_DOWNLOAD_VOLATILE_PERSISTENT = 5,
 111         PRISM2_DOWNLOAD_VOLATILE_GENESIS_PERSISTENT = 6,
 112 };
 113
 114 struct prism2_download_param {
 115         u32 dl_cmd;
 116         u32 start_addr;
 117         u32 num_areas;
 118         struct prism2_download_area {
 119                 u32 addr; /* wlan card address */
 120                 u32 len;
 121                 caddr_t ptr; /* pointer to data in user space */
 122         } data[0];
 123 };
 124
 125 #define PRISM2_MAX_DOWNLOAD_AREA_LEN 131072
 126 #define PRISM2_MAX_DOWNLOAD_LEN 262144
 127
 128
 129 /* PRISM2_IOCTL_HOSTAPD ioctl() cmd: */
 130 enum {
 131         PRISM2_HOSTAPD_FLUSH = 1,
 132         PRISM2_HOSTAPD_ADD_STA = 2,
 133         PRISM2_HOSTAPD_REMOVE_STA = 3,
 134         PRISM2_HOSTAPD_GET_INFO_STA = 4,
 135         /* REMOVED: PRISM2_HOSTAPD_RESET_TXEXC_STA = 5, */
 136         PRISM2_SET_ENCRYPTION = 6,
 137         PRISM2_GET_ENCRYPTION = 7,
 138         PRISM2_HOSTAPD_SET_FLAGS_STA = 8,
 139         PRISM2_HOSTAPD_GET_RID = 9,
 140         PRISM2_HOSTAPD_SET_RID = 10,
 141         PRISM2_HOSTAPD_SET_ASSOC_AP_ADDR = 11,
 142         PRISM2_HOSTAPD_SET_GENERIC_ELEMENT = 12,
 143         PRISM2_HOSTAPD_MLME = 13,
 144         PRISM2_HOSTAPD_SCAN_REQ = 14,
 145         PRISM2_HOSTAPD_STA_CLEAR_STATS = 15,
 146 };
 147
 148 #define PRISM2_HOSTAPD_MAX_BUF_SIZE 1024
 149 #define PRISM2_HOSTAPD_RID_HDR_LEN \
 150 ((int) (&((struct prism2_hostapd_param *) 0)->u.rid.data))
 151 #define PRISM2_HOSTAPD_GENERIC_ELEMENT_HDR_LEN \
 152 ((int) (&((struct prism2_hostapd_param *) 0)->u.generic_elem.data))
 153
 154 /* Maximum length for algorithm names (-1 for nul termination) used in ioctl()
 155  */
 156 #define HOSTAP_CRYPT_ALG_NAME_LEN 16
 157
 158
 159 struct prism2_hostapd_param {
 160         u32 cmd;
 161         u8 sta_addr[ETH_ALEN];
 162         union {
 163                 struct {
 164                         u16 aid;
 165                         u16 capability;
 166                         u8 tx_supp_rates;
 167                 } add_sta;
 168                 struct {
 169                         u32 inactive_sec;
 170                 } get_info_sta;
 171                 struct {
 172                         u8 alg[HOSTAP_CRYPT_ALG_NAME_LEN];
 173                         u32 flags;
 174                         u32 err;
 175                         u8 idx;
 176                         u8 seq[8]; /* sequence counter (set: RX, get: TX) */
 177                         u16 key_len;
 178                         u8 key[0];
 179                 } crypt;
 180                 struct {
 181                         u32 flags_and;
 182                         u32 flags_or;
 183                 } set_flags_sta;
 184                 struct {
 185                         u16 rid;
 186                         u16 len;
 187                         u8 data[0];
 188                 } rid;
 189                 struct {
 190                         u8 len;
 191                         u8 data[0];
 192                 } generic_elem;
 193                 struct {
 194 #define MLME_STA_DEAUTH 0
 195 #define MLME_STA_DISASSOC 1
 196                         u16 cmd;
 197                         u16 reason_code;
 198                 } mlme;
 199                 struct {
 200                         u8 ssid_len;
 201                         u8 ssid[32];
 202                 } scan_req;
 203         } u;
 204 };
 205
 206 #define HOSTAP_CRYPT_FLAG_SET_TX_KEY BIT(0)
 207 #define HOSTAP_CRYPT_FLAG_PERMANENT BIT(1)
 208
 209 #define HOSTAP_CRYPT_ERR_UNKNOWN_ALG 2
 210 #define HOSTAP_CRYPT_ERR_UNKNOWN_ADDR 3
 211 #define HOSTAP_CRYPT_ERR_CRYPT_INIT_FAILED 4
 212 #define HOSTAP_CRYPT_ERR_KEY_SET_FAILED 5
 213 #define HOSTAP_CRYPT_ERR_TX_KEY_SET_FAILED 6
 214 #define HOSTAP_CRYPT_ERR_CARD_CONF_FAILED 7
 215
 216 #endif /* HOSTAP_COMMON_H */