/*
* This file define a set of standard wireless extensions
*
- * Version : 17 21.6.04
+ * Version : 20 17.2.06
*
* Authors : Jean Tourrilhes - HPL - <jt@hpl.hp.com>
- * Copyright (c) 1997-2004 Jean Tourrilhes, All Rights Reserved.
+ * Copyright (c) 1997-2006 Jean Tourrilhes, All Rights Reserved.
*/
#ifndef _LINUX_WIRELESS_H
/***************************** INCLUDES *****************************/
-/* To minimise problems in user space, I might remove those headers
- * at some point. Jean II */
#include <linux/types.h> /* for "caddr_t" et al */
#include <linux/socket.h> /* for "struct sockaddr" et al */
#include <linux/if.h> /* for IFNAMSIZ and co... */
* (there is some stuff that will be added in the future...)
* I just plan to increment with each new version.
*/
-#define WIRELESS_EXT 17
+#define WIRELESS_EXT 20
/*
* Changes :
* - Document (struct iw_quality *)->updated, add new flags (INVALID)
* - Wireless Event capability in struct iw_range
* - Add support for relative TxPower (yick !)
+ *
+ * V17 to V18 (From Jouni Malinen <jkmaline@cc.hut.fi>)
+ * ----------
+ * - Add support for WPA/WPA2
+ * - Add extended encoding configuration (SIOCSIWENCODEEXT and
+ * SIOCGIWENCODEEXT)
+ * - Add SIOCSIWGENIE/SIOCGIWGENIE
+ * - Add SIOCSIWMLME
+ * - Add SIOCSIWPMKSA
+ * - Add struct iw_range bit field for supported encoding capabilities
+ * - Add optional scan request parameters for SIOCSIWSCAN
+ * - Add SIOCSIWAUTH/SIOCGIWAUTH for setting authentication and WPA
+ * related parameters (extensible up to 4096 parameter values)
+ * - Add wireless events: IWEVGENIE, IWEVMICHAELMICFAILURE,
+ * IWEVASSOCREQIE, IWEVASSOCRESPIE, IWEVPMKIDCAND
+ *
+ * V18 to V19
+ * ----------
+ * - Remove (struct iw_point *)->pointer from events and streams
+ * - Remove header includes to help user space
+ * - Increase IW_ENCODING_TOKEN_MAX from 32 to 64
+ * - Add IW_QUAL_ALL_UPDATED and IW_QUAL_ALL_INVALID macros
+ * - Add explicit flag to tell stats are in dBm : IW_QUAL_DBM
+ * - Add IW_IOCTL_IDX() and IW_EVENT_IDX() macros
+ *
+ * V19 to V20
+ * ----------
+ * - RtNetlink requests support (SET/GET)
*/
/**************************** CONSTANTS ****************************/
#define SIOCSIWPOWER 0x8B2C /* set Power Management settings */
#define SIOCGIWPOWER 0x8B2D /* get Power Management settings */
+/* WPA : Generic IEEE 802.11 informatiom element (e.g., for WPA/RSN/WMM).
+ * This ioctl uses struct iw_point and data buffer that includes IE id and len
+ * fields. More than one IE may be included in the request. Setting the generic
+ * IE to empty buffer (len=0) removes the generic IE from the driver. Drivers
+ * are allowed to generate their own WPA/RSN IEs, but in these cases, drivers
+ * are required to report the used IE as a wireless event, e.g., when
+ * associating with an AP. */
+#define SIOCSIWGENIE 0x8B30 /* set generic IE */
+#define SIOCGIWGENIE 0x8B31 /* get generic IE */
+
+/* WPA : IEEE 802.11 MLME requests */
+#define SIOCSIWMLME 0x8B16 /* request MLME operation; uses
+ * struct iw_mlme */
+/* WPA : Authentication mode parameters */
+#define SIOCSIWAUTH 0x8B32 /* set authentication mode params */
+#define SIOCGIWAUTH 0x8B33 /* get authentication mode params */
+
+/* WPA : Extended version of encoding configuration */
+#define SIOCSIWENCODEEXT 0x8B34 /* set encoding token & mode */
+#define SIOCGIWENCODEEXT 0x8B35 /* get encoding token & mode */
+
+/* WPA2 : PMKSA cache management */
+#define SIOCSIWPMKSA 0x8B36 /* PMKSA cache operation */
+
/* -------------------- DEV PRIVATE IOCTL LIST -------------------- */
/* These 32 ioctl are wireless device private, for 16 commands.
/* The first and the last (range) */
#define SIOCIWFIRST 0x8B00
#define SIOCIWLAST SIOCIWLASTPRIV /* 0x8BFF */
+#define IW_IOCTL_IDX(cmd) ((cmd) - SIOCIWFIRST)
/* Even : get (world access), odd : set (root access) */
#define IW_IS_SET(cmd) (!((cmd) & 0x1))
#define IWEVCUSTOM 0x8C02 /* Driver specific ascii string */
#define IWEVREGISTERED 0x8C03 /* Discovered a new node (AP mode) */
#define IWEVEXPIRED 0x8C04 /* Expired a node (AP mode) */
+#define IWEVGENIE 0x8C05 /* Generic IE (WPA, RSN, WMM, ..)
+ * (scan results); This includes id and
+ * length fields. One IWEVGENIE may
+ * contain more than one IE. Scan
+ * results may contain one or more
+ * IWEVGENIE events. */
+#define IWEVMICHAELMICFAILURE 0x8C06 /* Michael MIC failure
+ * (struct iw_michaelmicfailure)
+ */
+#define IWEVASSOCREQIE 0x8C07 /* IEs used in (Re)Association Request.
+ * The data includes id and length
+ * fields and may contain more than one
+ * IE. This event is required in
+ * Managed mode if the driver
+ * generates its own WPA/RSN IE. This
+ * should be sent just before
+ * IWEVREGISTERED event for the
+ * association. */
+#define IWEVASSOCRESPIE 0x8C08 /* IEs used in (Re)Association
+ * Response. The data includes id and
+ * length fields and may contain more
+ * than one IE. This may be sent
+ * between IWEVASSOCREQIE and
+ * IWEVREGISTERED events for the
+ * association. */
+#define IWEVPMKIDCAND 0x8C09 /* PMKID candidate for RSN
+ * pre-authentication
+ * (struct iw_pmkid_cand) */
#define IWEVFIRST 0x8C00
+#define IW_EVENT_IDX(cmd) ((cmd) - IWEVFIRST)
/* ------------------------- PRIVATE INFO ------------------------- */
/*
#define IW_MODE_MONITOR 6 /* Passive monitor (listen only) */
/* Statistics flags (bitmask in updated) */
-#define IW_QUAL_QUAL_UPDATED 0x1 /* Value was updated since last read */
-#define IW_QUAL_LEVEL_UPDATED 0x2
-#define IW_QUAL_NOISE_UPDATED 0x4
+#define IW_QUAL_QUAL_UPDATED 0x01 /* Value was updated since last read */
+#define IW_QUAL_LEVEL_UPDATED 0x02
+#define IW_QUAL_NOISE_UPDATED 0x04
+#define IW_QUAL_ALL_UPDATED 0x07
+#define IW_QUAL_DBM 0x08 /* Level + Noise are dBm */
#define IW_QUAL_QUAL_INVALID 0x10 /* Driver doesn't provide value */
#define IW_QUAL_LEVEL_INVALID 0x20
#define IW_QUAL_NOISE_INVALID 0x40
+#define IW_QUAL_ALL_INVALID 0x70
/* Frequency flags */
#define IW_FREQ_AUTO 0x00 /* Let the driver decides */
#define IW_MAX_ENCODING_SIZES 8
/* Maximum size of the encoding token in bytes */
-#define IW_ENCODING_TOKEN_MAX 32 /* 256 bits (for now) */
+#define IW_ENCODING_TOKEN_MAX 64 /* 512 bits (for now) */
/* Flags for encoding (along with the token) */
#define IW_ENCODE_INDEX 0x00FF /* Token index (if needed) */
#define IW_SCAN_THIS_MODE 0x0020 /* Scan only this Mode */
#define IW_SCAN_ALL_RATE 0x0040 /* Scan all Bit-Rates */
#define IW_SCAN_THIS_RATE 0x0080 /* Scan only this Bit-Rate */
+/* struct iw_scan_req scan_type */
+#define IW_SCAN_TYPE_ACTIVE 0
+#define IW_SCAN_TYPE_PASSIVE 1
/* Maximum size of returned data */
#define IW_SCAN_MAX_DATA 4096 /* In bytes */
/* Max number of char in custom event - use multiple of them if needed */
#define IW_CUSTOM_MAX 256 /* In bytes */
+/* Generic information element */
+#define IW_GENERIC_IE_MAX 1024
+
+/* MLME requests (SIOCSIWMLME / struct iw_mlme) */
+#define IW_MLME_DEAUTH 0
+#define IW_MLME_DISASSOC 1
+
+/* SIOCSIWAUTH/SIOCGIWAUTH struct iw_param flags */
+#define IW_AUTH_INDEX 0x0FFF
+#define IW_AUTH_FLAGS 0xF000
+/* SIOCSIWAUTH/SIOCGIWAUTH parameters (0 .. 4095)
+ * (IW_AUTH_INDEX mask in struct iw_param flags; this is the index of the
+ * parameter that is being set/get to; value will be read/written to
+ * struct iw_param value field) */
+#define IW_AUTH_WPA_VERSION 0
+#define IW_AUTH_CIPHER_PAIRWISE 1
+#define IW_AUTH_CIPHER_GROUP 2
+#define IW_AUTH_KEY_MGMT 3
+#define IW_AUTH_TKIP_COUNTERMEASURES 4
+#define IW_AUTH_DROP_UNENCRYPTED 5
+#define IW_AUTH_80211_AUTH_ALG 6
+#define IW_AUTH_WPA_ENABLED 7
+#define IW_AUTH_RX_UNENCRYPTED_EAPOL 8
+#define IW_AUTH_ROAMING_CONTROL 9
+#define IW_AUTH_PRIVACY_INVOKED 10
+
+/* IW_AUTH_WPA_VERSION values (bit field) */
+#define IW_AUTH_WPA_VERSION_DISABLED 0x00000001
+#define IW_AUTH_WPA_VERSION_WPA 0x00000002
+#define IW_AUTH_WPA_VERSION_WPA2 0x00000004
+
+/* IW_AUTH_PAIRWISE_CIPHER and IW_AUTH_GROUP_CIPHER values (bit field) */
+#define IW_AUTH_CIPHER_NONE 0x00000001
+#define IW_AUTH_CIPHER_WEP40 0x00000002
+#define IW_AUTH_CIPHER_TKIP 0x00000004
+#define IW_AUTH_CIPHER_CCMP 0x00000008
+#define IW_AUTH_CIPHER_WEP104 0x00000010
+
+/* IW_AUTH_KEY_MGMT values (bit field) */
+#define IW_AUTH_KEY_MGMT_802_1X 1
+#define IW_AUTH_KEY_MGMT_PSK 2
+
+/* IW_AUTH_80211_AUTH_ALG values (bit field) */
+#define IW_AUTH_ALG_OPEN_SYSTEM 0x00000001
+#define IW_AUTH_ALG_SHARED_KEY 0x00000002
+#define IW_AUTH_ALG_LEAP 0x00000004
+
+/* IW_AUTH_ROAMING_CONTROL values */
+#define IW_AUTH_ROAMING_ENABLE 0 /* driver/firmware based roaming */
+#define IW_AUTH_ROAMING_DISABLE 1 /* user space program used for roaming
+ * control */
+
+/* SIOCSIWENCODEEXT definitions */
+#define IW_ENCODE_SEQ_MAX_SIZE 8
+/* struct iw_encode_ext ->alg */
+#define IW_ENCODE_ALG_NONE 0
+#define IW_ENCODE_ALG_WEP 1
+#define IW_ENCODE_ALG_TKIP 2
+#define IW_ENCODE_ALG_CCMP 3
+/* struct iw_encode_ext ->ext_flags */
+#define IW_ENCODE_EXT_TX_SEQ_VALID 0x00000001
+#define IW_ENCODE_EXT_RX_SEQ_VALID 0x00000002
+#define IW_ENCODE_EXT_GROUP_KEY 0x00000004
+#define IW_ENCODE_EXT_SET_TX_KEY 0x00000008
+
+/* IWEVMICHAELMICFAILURE : struct iw_michaelmicfailure ->flags */
+#define IW_MICFAILURE_KEY_ID 0x00000003 /* Key ID 0..3 */
+#define IW_MICFAILURE_GROUP 0x00000004
+#define IW_MICFAILURE_PAIRWISE 0x00000008
+#define IW_MICFAILURE_STAKEY 0x00000010
+#define IW_MICFAILURE_COUNT 0x00000060 /* 1 or 2 (0 = count not supported)
+ */
+
+/* Bit field values for enc_capa in struct iw_range */
+#define IW_ENC_CAPA_WPA 0x00000001
+#define IW_ENC_CAPA_WPA2 0x00000002
+#define IW_ENC_CAPA_CIPHER_TKIP 0x00000004
+#define IW_ENC_CAPA_CIPHER_CCMP 0x00000008
+
/* Event capability macros - in (struct iw_range *)->event_capa
* Because we have more than 32 possible events, we use an array of
* 32 bit bitmasks. Note : 32 bits = 0x20 = 2^5. */
struct iw_quality high; /* High threshold */
};
+/*
+ * Optional data for scan request
+ *
+ * Note: these optional parameters are controlling parameters for the
+ * scanning behavior, these do not apply to getting scan results
+ * (SIOCGIWSCAN). Drivers are expected to keep a local BSS table and
+ * provide a merged results with all BSSes even if the previous scan
+ * request limited scanning to a subset, e.g., by specifying an SSID.
+ * Especially, scan results are required to include an entry for the
+ * current BSS if the driver is in Managed mode and associated with an AP.
+ */
+struct iw_scan_req
+{
+ __u8 scan_type; /* IW_SCAN_TYPE_{ACTIVE,PASSIVE} */
+ __u8 essid_len;
+ __u8 num_channels; /* num entries in channel_list;
+ * 0 = scan all allowed channels */
+ __u8 flags; /* reserved as padding; use zero, this may
+ * be used in the future for adding flags
+ * to request different scan behavior */
+ struct sockaddr bssid; /* ff:ff:ff:ff:ff:ff for broadcast BSSID or
+ * individual address of a specific BSS */
+
+ /*
+ * Use this ESSID if IW_SCAN_THIS_ESSID flag is used instead of using
+ * the current ESSID. This allows scan requests for specific ESSID
+ * without having to change the current ESSID and potentially breaking
+ * the current association.
+ */
+ __u8 essid[IW_ESSID_MAX_SIZE];
+
+ /*
+ * Optional parameters for changing the default scanning behavior.
+ * These are based on the MLME-SCAN.request from IEEE Std 802.11.
+ * TU is 1.024 ms. If these are set to 0, driver is expected to use
+ * reasonable default values. min_channel_time defines the time that
+ * will be used to wait for the first reply on each channel. If no
+ * replies are received, next channel will be scanned after this. If
+ * replies are received, total time waited on the channel is defined by
+ * max_channel_time.
+ */
+ __u32 min_channel_time; /* in TU */
+ __u32 max_channel_time; /* in TU */
+
+ struct iw_freq channel_list[IW_MAX_FREQUENCIES];
+};
+
+/* ------------------------- WPA SUPPORT ------------------------- */
+
+/*
+ * Extended data structure for get/set encoding (this is used with
+ * SIOCSIWENCODEEXT/SIOCGIWENCODEEXT. struct iw_point and IW_ENCODE_*
+ * flags are used in the same way as with SIOCSIWENCODE/SIOCGIWENCODE and
+ * only the data contents changes (key data -> this structure, including
+ * key data).
+ *
+ * If the new key is the first group key, it will be set as the default
+ * TX key. Otherwise, default TX key index is only changed if
+ * IW_ENCODE_EXT_SET_TX_KEY flag is set.
+ *
+ * Key will be changed with SIOCSIWENCODEEXT in all cases except for
+ * special "change TX key index" operation which is indicated by setting
+ * key_len = 0 and ext_flags |= IW_ENCODE_EXT_SET_TX_KEY.
+ *
+ * tx_seq/rx_seq are only used when respective
+ * IW_ENCODE_EXT_{TX,RX}_SEQ_VALID flag is set in ext_flags. Normal
+ * TKIP/CCMP operation is to set RX seq with SIOCSIWENCODEEXT and start
+ * TX seq from zero whenever key is changed. SIOCGIWENCODEEXT is normally
+ * used only by an Authenticator (AP or an IBSS station) to get the
+ * current TX sequence number. Using TX_SEQ_VALID for SIOCSIWENCODEEXT and
+ * RX_SEQ_VALID for SIOCGIWENCODEEXT are optional, but can be useful for
+ * debugging/testing.
+ */
+struct iw_encode_ext
+{
+ __u32 ext_flags; /* IW_ENCODE_EXT_* */
+ __u8 tx_seq[IW_ENCODE_SEQ_MAX_SIZE]; /* LSB first */
+ __u8 rx_seq[IW_ENCODE_SEQ_MAX_SIZE]; /* LSB first */
+ struct sockaddr addr; /* ff:ff:ff:ff:ff:ff for broadcast/multicast
+ * (group) keys or unicast address for
+ * individual keys */
+ __u16 alg; /* IW_ENCODE_ALG_* */
+ __u16 key_len;
+ __u8 key[0];
+};
+
+/* SIOCSIWMLME data */
+struct iw_mlme
+{
+ __u16 cmd; /* IW_MLME_* */
+ __u16 reason_code;
+ struct sockaddr addr;
+};
+
+/* SIOCSIWPMKSA data */
+#define IW_PMKSA_ADD 1
+#define IW_PMKSA_REMOVE 2
+#define IW_PMKSA_FLUSH 3
+
+#define IW_PMKID_LEN 16
+
+struct iw_pmksa
+{
+ __u32 cmd; /* IW_PMKSA_* */
+ struct sockaddr bssid;
+ __u8 pmkid[IW_PMKID_LEN];
+};
+
+/* IWEVMICHAELMICFAILURE data */
+struct iw_michaelmicfailure
+{
+ __u32 flags;
+ struct sockaddr src_addr;
+ __u8 tsc[IW_ENCODE_SEQ_MAX_SIZE]; /* LSB first */
+};
+
+/* IWEVPMKIDCAND data */
+#define IW_PMKID_CAND_PREAUTH 0x00000001 /* RNS pre-authentication enabled */
+struct iw_pmkid_cand
+{
+ __u32 flags; /* IW_PMKID_CAND_* */
+ __u32 index; /* the smaller the index, the higher the
+ * priority */
+ struct sockaddr bssid;
+};
+
/* ------------------------ WIRELESS STATS ------------------------ */
/*
* Wireless statistics (used for /proc/net/wireless)
struct iw_freq freq[IW_MAX_FREQUENCIES]; /* list */
/* Note : this frequency list doesn't need to fit channel numbers,
* because each entry contain its channel index */
+
+ __u32 enc_capa; /* IW_ENC_CAPA_* bit field */
};
/*
#define IW_EV_CHAR_LEN (IW_EV_LCP_LEN + IFNAMSIZ)
#define IW_EV_UINT_LEN (IW_EV_LCP_LEN + sizeof(__u32))
#define IW_EV_FREQ_LEN (IW_EV_LCP_LEN + sizeof(struct iw_freq))
-#define IW_EV_POINT_LEN (IW_EV_LCP_LEN + sizeof(struct iw_point))
#define IW_EV_PARAM_LEN (IW_EV_LCP_LEN + sizeof(struct iw_param))
#define IW_EV_ADDR_LEN (IW_EV_LCP_LEN + sizeof(struct sockaddr))
#define IW_EV_QUAL_LEN (IW_EV_LCP_LEN + sizeof(struct iw_quality))
-/* Note : in the case of iw_point, the extra data will come at the
- * end of the event */
+/* iw_point events are special. First, the payload (extra data) come at
+ * the end of the event, so they are bigger than IW_EV_POINT_LEN. Second,
+ * we omit the pointer, so start at an offset. */
+#define IW_EV_POINT_OFF (((char *) &(((struct iw_point *) NULL)->length)) - \
+ (char *) NULL)
+#define IW_EV_POINT_LEN (IW_EV_LCP_LEN + sizeof(struct iw_point) - \
+ IW_EV_POINT_OFF)
#endif /* _LINUX_WIRELESS_H */
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