*
* Adaption to a generic IEEE 802.11 stack by James Ketrenos
* <jketreno@linux.intel.com>
- * Copyright (c) 2004, Intel Corporation
+ * Copyright (c) 2004-2005, Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation. See README and COPYING for
* more details.
+ *
+ * API Version History
+ * 1.0.x -- Initial version
+ * 1.1.x -- Added radiotap, QoS, TIM, ieee80211_geo APIs,
+ * various structure changes, and crypto API init method
*/
#ifndef IEEE80211_H
#define IEEE80211_H
#include <linux/kernel.h> /* ARRAY_SIZE */
#include <linux/wireless.h>
+#define IEEE80211_VERSION "git-1.1.6"
+
#define IEEE80211_DATA_LEN 2304
/* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
6.2.1.1.2.
#define WLAN_CAPABILITY_PBCC (1<<6)
#define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
#define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
+#define WLAN_CAPABILITY_QOS (1<<9)
#define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
-#define WLAN_CAPABILITY_OSSS_OFDM (1<<13)
+#define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
/* Status codes */
enum ieee80211_statuscode {
* information to determine what type of underlying data type is actually
* stored in the data. */
struct ieee80211_hdr {
- u16 frame_ctl;
- u16 duration_id;
+ __le16 frame_ctl;
+ __le16 duration_id;
u8 payload[0];
} __attribute__ ((packed));
struct ieee80211_hdr_1addr {
- u16 frame_ctl;
- u16 duration_id;
+ __le16 frame_ctl;
+ __le16 duration_id;
u8 addr1[ETH_ALEN];
u8 payload[0];
} __attribute__ ((packed));
struct ieee80211_hdr_2addr {
- u16 frame_ctl;
- u16 duration_id;
+ __le16 frame_ctl;
+ __le16 duration_id;
u8 addr1[ETH_ALEN];
u8 addr2[ETH_ALEN];
u8 payload[0];
} __attribute__ ((packed));
struct ieee80211_hdr_3addr {
- u16 frame_ctl;
- u16 duration_id;
+ __le16 frame_ctl;
+ __le16 duration_id;
u8 addr1[ETH_ALEN];
u8 addr2[ETH_ALEN];
u8 addr3[ETH_ALEN];
- u16 seq_ctl;
+ __le16 seq_ctl;
u8 payload[0];
} __attribute__ ((packed));
struct ieee80211_hdr_4addr {
- u16 frame_ctl;
- u16 duration_id;
+ __le16 frame_ctl;
+ __le16 duration_id;
u8 addr1[ETH_ALEN];
u8 addr2[ETH_ALEN];
u8 addr3[ETH_ALEN];
- u16 seq_ctl;
+ __le16 seq_ctl;
u8 addr4[ETH_ALEN];
u8 payload[0];
} __attribute__ ((packed));
struct ieee80211_hdr_3addrqos {
- u16 frame_ctl;
- u16 duration_id;
+ __le16 frame_ctl;
+ __le16 duration_id;
u8 addr1[ETH_ALEN];
u8 addr2[ETH_ALEN];
u8 addr3[ETH_ALEN];
- u16 seq_ctl;
+ __le16 seq_ctl;
u8 payload[0];
- u16 qos_ctl;
+ __le16 qos_ctl;
} __attribute__ ((packed));
struct ieee80211_hdr_4addrqos {
- u16 frame_ctl;
- u16 duration_id;
+ __le16 frame_ctl;
+ __le16 duration_id;
u8 addr1[ETH_ALEN];
u8 addr2[ETH_ALEN];
u8 addr3[ETH_ALEN];
- u16 seq_ctl;
+ __le16 seq_ctl;
u8 addr4[ETH_ALEN];
u8 payload[0];
- u16 qos_ctl;
+ __le16 qos_ctl;
} __attribute__ ((packed));
struct ieee80211_info_element {
__le16 algorithm;
__le16 transaction;
__le16 status;
+ /* challenge */
struct ieee80211_info_element info_element[0];
} __attribute__ ((packed));
struct ieee80211_disassoc {
struct ieee80211_hdr_3addr header;
- u16 reason_code;
- struct ieee80211_info_element info_element[0];
+ __le16 reason;
} __attribute__ ((packed));
+/* Alias deauth for disassoc */
+#define ieee80211_deauth ieee80211_disassoc
+
struct ieee80211_probe_request {
struct ieee80211_hdr_3addr header;
+ /* SSID, supported rates */
struct ieee80211_info_element info_element[0];
} __attribute__ ((packed));
u32 time_stamp[2];
__le16 beacon_interval;
__le16 capability;
+ /* SSID, supported rates, FH params, DS params,
+ * CF params, IBSS params, TIM (if beacon), RSN */
struct ieee80211_info_element info_element[0];
} __attribute__ ((packed));
struct ieee80211_assoc_request {
struct ieee80211_hdr_3addr header;
- u16 capability;
- u16 listen_interval;
+ __le16 capability;
+ __le16 listen_interval;
+ /* SSID, supported rates, RSN */
struct ieee80211_info_element info_element[0];
} __attribute__ ((packed));
__le16 capability;
__le16 status;
__le16 aid;
- struct ieee80211_info_element info_element[0]; /* supported rates */
+ /* supported rates */
+ struct ieee80211_info_element info_element[0];
} __attribute__ ((packed));
struct ieee80211_txb {
u8 encrypted;
u8 rts_included;
u8 reserved;
- u16 frag_size;
- u16 payload_size;
+ __le16 frag_size;
+ __le16 payload_size;
struct sk_buff *fragments[0];
};
struct ieee80211_qos_ac_parameter {
u8 aci_aifsn;
u8 ecw_min_max;
- u16 tx_op_limit;
+ __le16 tx_op_limit;
} __attribute__ ((packed));
struct ieee80211_qos_parameter_info {
} __attribute__ ((packed));
struct ieee80211_qos_parameters {
- u16 cw_min[QOS_QUEUE_NUM];
- u16 cw_max[QOS_QUEUE_NUM];
+ __le16 cw_min[QOS_QUEUE_NUM];
+ __le16 cw_max[QOS_QUEUE_NUM];
u8 aifs[QOS_QUEUE_NUM];
u8 flag[QOS_QUEUE_NUM];
- u16 tx_op_limit[QOS_QUEUE_NUM];
+ __le16 tx_op_limit[QOS_QUEUE_NUM];
} __attribute__ ((packed));
struct ieee80211_qos_data {
u16 beacon_interval;
u16 listen_interval;
u16 atim_window;
+ u8 erp_value;
u8 wpa_ie[MAX_WPA_IE_LEN];
size_t wpa_ie_len;
u8 rsn_ie[MAX_WPA_IE_LEN];
#define CFG_IEEE80211_COMPUTE_FCS (1<<1)
#define CFG_IEEE80211_RTS (1<<2)
+#define IEEE80211_24GHZ_MIN_CHANNEL 1
+#define IEEE80211_24GHZ_MAX_CHANNEL 14
+#define IEEE80211_24GHZ_CHANNELS 14
+
+#define IEEE80211_52GHZ_MIN_CHANNEL 36
+#define IEEE80211_52GHZ_MAX_CHANNEL 165
+#define IEEE80211_52GHZ_CHANNELS 32
+
+enum {
+ IEEE80211_CH_PASSIVE_ONLY = (1 << 0),
+ IEEE80211_CH_B_ONLY = (1 << 2),
+ IEEE80211_CH_NO_IBSS = (1 << 3),
+ IEEE80211_CH_UNIFORM_SPREADING = (1 << 4),
+ IEEE80211_CH_RADAR_DETECT = (1 << 5),
+ IEEE80211_CH_INVALID = (1 << 6),
+};
+
+struct ieee80211_channel {
+ u32 freq;
+ u8 channel;
+ u8 flags;
+ u8 max_power;
+};
+
+struct ieee80211_geo {
+ u8 name[4];
+ u8 bg_channels;
+ u8 a_channels;
+ struct ieee80211_channel bg[IEEE80211_24GHZ_CHANNELS];
+ struct ieee80211_channel a[IEEE80211_52GHZ_CHANNELS];
+};
+
struct ieee80211_device {
struct net_device *dev;
struct ieee80211_security sec;
struct net_device_stats stats;
struct ieee80211_stats ieee_stats;
+ struct ieee80211_geo geo;
+
/* Probe / Beacon management */
struct list_head network_free_list;
struct list_head network_list;
int host_encrypt;
int host_encrypt_msdu;
int host_decrypt;
+ /* host performs multicast decryption */
+ int host_mc_decrypt;
+
int host_open_frag;
+ int host_build_iv;
int ieee802_1x; /* is IEEE 802.1X used */
/* WPA data */
int wpa_enabled;
int drop_unencrypted;
- int tkip_countermeasures;
int privacy_invoked;
size_t wpa_ie_len;
u8 *wpa_ie;
/* Typical STA methods */
int (*handle_auth) (struct net_device * dev,
struct ieee80211_auth * auth);
+ int (*handle_deauth) (struct net_device * dev,
+ struct ieee80211_auth * auth);
int (*handle_disassoc) (struct net_device * dev,
struct ieee80211_disassoc * assoc);
int (*handle_beacon) (struct net_device * dev,
int (*handle_probe_response) (struct net_device * dev,
struct ieee80211_probe_response * resp,
struct ieee80211_network * network);
+ int (*handle_probe_request) (struct net_device * dev,
+ struct ieee80211_probe_request * req,
+ struct ieee80211_rx_stats * stats);
int (*handle_assoc_response) (struct net_device * dev,
struct ieee80211_assoc_response * resp,
struct ieee80211_network * network);
#define IEEE_G (1<<2)
#define IEEE_MODE_MASK (IEEE_A|IEEE_B|IEEE_G)
-extern inline void *ieee80211_priv(struct net_device *dev)
+static inline void *ieee80211_priv(struct net_device *dev)
{
return ((struct ieee80211_device *)netdev_priv(dev))->priv;
}
-extern inline int ieee80211_is_empty_essid(const char *essid, int essid_len)
+static inline int ieee80211_is_empty_essid(const char *essid, int essid_len)
{
/* Single white space is for Linksys APs */
if (essid_len == 1 && essid[0] == ' ')
return 1;
}
-extern inline int ieee80211_is_valid_mode(struct ieee80211_device *ieee,
+static inline int ieee80211_is_valid_mode(struct ieee80211_device *ieee,
int mode)
{
/*
return 0;
}
-extern inline int ieee80211_get_hdrlen(u16 fc)
+static inline int ieee80211_get_hdrlen(u16 fc)
{
int hdrlen = IEEE80211_3ADDR_LEN;
u16 stype = WLAN_FC_GET_STYPE(fc);
return hdrlen;
}
-extern inline u8 *ieee80211_get_payload(struct ieee80211_hdr *hdr)
+static inline u8 *ieee80211_get_payload(struct ieee80211_hdr *hdr)
{
switch (ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_ctl))) {
case IEEE80211_1ADDR_LEN:
}
+static inline int ieee80211_is_ofdm_rate(u8 rate)
+{
+ switch (rate & ~IEEE80211_BASIC_RATE_MASK) {
+ case IEEE80211_OFDM_RATE_6MB:
+ case IEEE80211_OFDM_RATE_9MB:
+ case IEEE80211_OFDM_RATE_12MB:
+ case IEEE80211_OFDM_RATE_18MB:
+ case IEEE80211_OFDM_RATE_24MB:
+ case IEEE80211_OFDM_RATE_36MB:
+ case IEEE80211_OFDM_RATE_48MB:
+ case IEEE80211_OFDM_RATE_54MB:
+ return 1;
+ }
+ return 0;
+}
+
+static inline int ieee80211_is_cck_rate(u8 rate)
+{
+ switch (rate & ~IEEE80211_BASIC_RATE_MASK) {
+ case IEEE80211_CCK_RATE_1MB:
+ case IEEE80211_CCK_RATE_2MB:
+ case IEEE80211_CCK_RATE_5MB:
+ case IEEE80211_CCK_RATE_11MB:
+ return 1;
+ }
+ return 0;
+}
+
/* ieee80211.c */
extern void free_ieee80211(struct net_device *dev);
extern struct net_device *alloc_ieee80211(int sizeof_priv);
struct ieee80211_hdr_4addr *header,
struct ieee80211_rx_stats *stats);
+/* ieee80211_geo.c */
+extern const struct ieee80211_geo *ieee80211_get_geo(struct ieee80211_device
+ *ieee);
+extern int ieee80211_set_geo(struct ieee80211_device *ieee,
+ const struct ieee80211_geo *geo);
+
+extern int ieee80211_is_valid_channel(struct ieee80211_device *ieee,
+ u8 channel);
+extern int ieee80211_channel_to_index(struct ieee80211_device *ieee,
+ u8 channel);
+extern u8 ieee80211_freq_to_channel(struct ieee80211_device *ieee, u32 freq);
+
/* ieee80211_wx.c */
extern int ieee80211_wx_get_scan(struct ieee80211_device *ieee,
struct iw_request_info *info,
extern int ieee80211_wx_get_encode(struct ieee80211_device *ieee,
struct iw_request_info *info,
union iwreq_data *wrqu, char *key);
-#if WIRELESS_EXT > 17
extern int ieee80211_wx_set_encodeext(struct ieee80211_device *ieee,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra);
extern int ieee80211_wx_get_encodeext(struct ieee80211_device *ieee,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra);
-#endif
-extern inline void ieee80211_increment_scans(struct ieee80211_device *ieee)
+static inline void ieee80211_increment_scans(struct ieee80211_device *ieee)
{
ieee->scans++;
}
-extern inline int ieee80211_get_scans(struct ieee80211_device *ieee)
+static inline int ieee80211_get_scans(struct ieee80211_device *ieee)
{
return ieee->scans;
}