* LAN access point) driver for Intersil Prism2/2.5/3.
*
* Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
- * <jkmaline@cc.hut.fi>
- * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
+ * <j@w1.fi>
+ * Copyright (c) 2002-2003, Jouni Malinen <j@w1.fi>
*
* 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-1.1.13"
+
#define IEEE80211_DATA_LEN 2304
/* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
6.2.1.1.2.
#define IEEE80211_SCTL_FRAG 0x000F
#define IEEE80211_SCTL_SEQ 0xFFF0
+/* QOS control */
+#define IEEE80211_QCTL_TID 0x000F
+
/* debug macros */
#ifdef CONFIG_IEEE80211_DEBUG
#define IEEE80211_DEBUG(level, fmt, args...) \
do { if (ieee80211_debug_level & (level)) \
printk(KERN_DEBUG "ieee80211: %c %s " fmt, \
- in_interrupt() ? 'I' : 'U', __FUNCTION__ , ## args); } while (0)
+ in_interrupt() ? 'I' : 'U', __func__ , ## args); } while (0)
+static inline bool ieee80211_ratelimit_debug(u32 level)
+{
+ return (ieee80211_debug_level & level) && net_ratelimit();
+}
#else
#define IEEE80211_DEBUG(level, fmt, args...) do {} while (0)
+static inline bool ieee80211_ratelimit_debug(u32 level)
+{
+ return false;
+}
#endif /* CONFIG_IEEE80211_DEBUG */
-/* debug macros not dependent on CONFIG_IEEE80211_DEBUG */
-
-#define MAC_FMT "%02x:%02x:%02x:%02x:%02x:%02x"
-#define MAC_ARG(x) ((u8*)(x))[0],((u8*)(x))[1],((u8*)(x))[2],((u8*)(x))[3],((u8*)(x))[4],((u8*)(x))[5]
-
/* escape_essid() is intended to be used in debug (and possibly error)
* messages. It should never be used for passing essid to user space. */
const char *escape_essid(const char *essid, u8 essid_len);
#define IEEE80211_DEBUG_RX(f, a...) IEEE80211_DEBUG(IEEE80211_DL_RX, f, ## a)
#define IEEE80211_DEBUG_QOS(f, a...) IEEE80211_DEBUG(IEEE80211_DL_QOS, f, ## a)
#include <linux/netdevice.h>
-#include <linux/wireless.h>
#include <linux/if_arp.h> /* ARPHRD_ETHER */
#ifndef WIRELESS_SPY
#endif
#include <net/iw_handler.h> /* new driver API */
-#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 */
#ifndef ETH_P_80211_RAW
#define WLAN_FC_GET_STYPE(fc) ((fc) & IEEE80211_FCTL_STYPE)
#define WLAN_GET_SEQ_FRAG(seq) ((seq) & IEEE80211_SCTL_FRAG)
-#define WLAN_GET_SEQ_SEQ(seq) ((seq) & IEEE80211_SCTL_SEQ)
+#define WLAN_GET_SEQ_SEQ(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
/* Authentication algorithms */
#define WLAN_AUTH_OPEN 0
#define WLAN_AUTH_SHARED_KEY 1
+#define WLAN_AUTH_LEAP 2
#define WLAN_AUTH_CHALLENGE_LEN 128
#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)
+
+/* 802.11g ERP information element */
+#define WLAN_ERP_NON_ERP_PRESENT (1<<0)
+#define WLAN_ERP_USE_PROTECTION (1<<1)
+#define WLAN_ERP_BARKER_PREAMBLE (1<<2)
/* Status codes */
enum ieee80211_statuscode {
WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
};
+/* Action categories - 802.11h */
+enum ieee80211_actioncategories {
+ WLAN_ACTION_SPECTRUM_MGMT = 0,
+ /* Reserved 1-127 */
+ /* Error 128-255 */
+};
+
+/* Action details - 802.11h */
+enum ieee80211_actiondetails {
+ WLAN_ACTION_CATEGORY_MEASURE_REQUEST = 0,
+ WLAN_ACTION_CATEGORY_MEASURE_REPORT = 1,
+ WLAN_ACTION_CATEGORY_TPC_REQUEST = 2,
+ WLAN_ACTION_CATEGORY_TPC_REPORT = 3,
+ WLAN_ACTION_CATEGORY_CHANNEL_SWITCH = 4,
+ /* 5 - 255 Reserved */
+};
+
#define IEEE80211_STATMASK_SIGNAL (1<<0)
#define IEEE80211_STATMASK_RSSI (1<<1)
#define IEEE80211_STATMASK_NOISE (1<<2)
#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. */
+ * information for frames received.
+ * For ieee80211_rx_mgt, you need to set at least the 'len' parameter.
+ */
struct ieee80211_rx_stats {
u32 mac_time;
s8 rssi;
u8 mask;
u8 freq;
u16 len;
+ u64 tsf;
+ u32 beacon_time;
};
/* IEEE 802.11 requires that STA supports concurrent reception of at least
__le16 algorithm;
__le16 transaction;
__le16 status;
+ /* challenge */
struct ieee80211_info_element info_element[0];
} __attribute__ ((packed));
+struct ieee80211_channel_switch {
+ u8 id;
+ u8 len;
+ u8 mode;
+ u8 channel;
+ u8 count;
+} __attribute__ ((packed));
+
+struct ieee80211_action {
+ struct ieee80211_hdr_3addr header;
+ u8 category;
+ u8 action;
+ union {
+ struct ieee80211_action_exchange {
+ u8 token;
+ struct ieee80211_info_element info_element[0];
+ } exchange;
+ struct ieee80211_channel_switch channel_switch;
+
+ } format;
+} __attribute__ ((packed));
+
struct ieee80211_disassoc {
struct ieee80211_hdr_3addr header;
- __le16 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));
struct ieee80211_probe_response {
struct ieee80211_hdr_3addr header;
- u32 time_stamp[2];
+ __le32 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_hdr_3addr header;
__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;
- __le16 frag_size;
- __le16 payload_size;
+ u16 frag_size;
+ u16 payload_size;
struct sk_buff *fragments[0];
};
/* QoS structure */
#define NETWORK_HAS_QOS_PARAMETERS (1<<3)
#define NETWORK_HAS_QOS_INFORMATION (1<<4)
-#define NETWORK_HAS_QOS_MASK (NETWORK_HAS_QOS_PARAMETERS | NETWORK_HAS_QOS_INFORMATION)
+#define NETWORK_HAS_QOS_MASK (NETWORK_HAS_QOS_PARAMETERS | \
+ NETWORK_HAS_QOS_INFORMATION)
+
+/* 802.11h */
+#define NETWORK_HAS_POWER_CONSTRAINT (1<<5)
+#define NETWORK_HAS_CSA (1<<6)
+#define NETWORK_HAS_QUIET (1<<7)
+#define NETWORK_HAS_IBSS_DFS (1<<8)
+#define NETWORK_HAS_TPC_REPORT (1<<9)
+
+#define NETWORK_HAS_ERP_VALUE (1<<10)
#define QOS_QUEUE_NUM 4
#define QOS_OUI_LEN 3
/*******************************************************/
+enum { /* ieee80211_basic_report.map */
+ IEEE80211_BASIC_MAP_BSS = (1 << 0),
+ IEEE80211_BASIC_MAP_OFDM = (1 << 1),
+ IEEE80211_BASIC_MAP_UNIDENTIFIED = (1 << 2),
+ IEEE80211_BASIC_MAP_RADAR = (1 << 3),
+ IEEE80211_BASIC_MAP_UNMEASURED = (1 << 4),
+ /* Bits 5-7 are reserved */
+
+};
+struct ieee80211_basic_report {
+ u8 channel;
+ __le64 start_time;
+ __le16 duration;
+ u8 map;
+} __attribute__ ((packed));
+
+enum { /* ieee80211_measurement_request.mode */
+ /* Bit 0 is reserved */
+ IEEE80211_MEASUREMENT_ENABLE = (1 << 1),
+ IEEE80211_MEASUREMENT_REQUEST = (1 << 2),
+ IEEE80211_MEASUREMENT_REPORT = (1 << 3),
+ /* Bits 4-7 are reserved */
+};
+
+enum {
+ IEEE80211_REPORT_BASIC = 0, /* required */
+ IEEE80211_REPORT_CCA = 1, /* optional */
+ IEEE80211_REPORT_RPI = 2, /* optional */
+ /* 3-255 reserved */
+};
+
+struct ieee80211_measurement_params {
+ u8 channel;
+ __le64 start_time;
+ __le16 duration;
+} __attribute__ ((packed));
+
+struct ieee80211_measurement_request {
+ struct ieee80211_info_element ie;
+ u8 token;
+ u8 mode;
+ u8 type;
+ struct ieee80211_measurement_params params[0];
+} __attribute__ ((packed));
+
+struct ieee80211_measurement_report {
+ struct ieee80211_info_element ie;
+ u8 token;
+ u8 mode;
+ u8 type;
+ union {
+ struct ieee80211_basic_report basic[0];
+ } u;
+} __attribute__ ((packed));
+
+struct ieee80211_tpc_report {
+ u8 transmit_power;
+ u8 link_margin;
+} __attribute__ ((packed));
+
+struct ieee80211_channel_map {
+ u8 channel;
+ u8 map;
+} __attribute__ ((packed));
+
+struct ieee80211_ibss_dfs {
+ struct ieee80211_info_element ie;
+ u8 owner[ETH_ALEN];
+ u8 recovery_interval;
+ struct ieee80211_channel_map channel_map[0];
+};
+
+struct ieee80211_csa {
+ u8 mode;
+ u8 channel;
+ u8 count;
+} __attribute__ ((packed));
+
+struct ieee80211_quiet {
+ u8 count;
+ u8 period;
+ u8 duration;
+ u8 offset;
+} __attribute__ ((packed));
+
struct ieee80211_network {
/* These entries are used to identify a unique network */
u8 bssid[ETH_ALEN];
u8 rates_ex_len;
unsigned long last_scanned;
u8 mode;
- u8 flags;
+ u32 flags;
u32 last_associate;
u32 time_stamp[2];
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];
size_t rsn_ie_len;
struct ieee80211_tim_parameters tim;
+
+ /* 802.11h info */
+
+ /* Power Constraint - mandatory if spctrm mgmt required */
+ u8 power_constraint;
+
+ /* TPC Report - mandatory if spctrm mgmt required */
+ struct ieee80211_tpc_report tpc_report;
+
+ /* IBSS DFS - mandatory if spctrm mgmt required and IBSS
+ * NOTE: This is variable length and so must be allocated dynamically */
+ struct ieee80211_ibss_dfs *ibss_dfs;
+
+ /* Channel Switch Announcement - optional if spctrm mgmt required */
+ struct ieee80211_csa csa;
+
+ /* Quiet - optional if spctrm mgmt required */
+ struct ieee80211_quiet quiet;
+
struct list_head list;
};
#define IEEE80211_24GHZ_MIN_CHANNEL 1
#define IEEE80211_24GHZ_MAX_CHANNEL 14
-#define IEEE80211_24GHZ_CHANNELS 14
+#define IEEE80211_24GHZ_CHANNELS (IEEE80211_24GHZ_MAX_CHANNEL - \
+ IEEE80211_24GHZ_MIN_CHANNEL + 1)
-#define IEEE80211_52GHZ_MIN_CHANNEL 36
+#define IEEE80211_52GHZ_MIN_CHANNEL 34
#define IEEE80211_52GHZ_MAX_CHANNEL 165
-#define IEEE80211_52GHZ_CHANNELS 32
+#define IEEE80211_52GHZ_CHANNELS (IEEE80211_52GHZ_MAX_CHANNEL - \
+ IEEE80211_52GHZ_MIN_CHANNEL + 1)
enum {
IEEE80211_CH_PASSIVE_ONLY = (1 << 0),
+ IEEE80211_CH_80211H_RULES = (1 << 1),
IEEE80211_CH_B_ONLY = (1 << 2),
IEEE80211_CH_NO_IBSS = (1 << 3),
IEEE80211_CH_UNIFORM_SPREADING = (1 << 4),
};
struct ieee80211_channel {
- u16 freq;
+ u32 freq; /* in MHz */
u8 channel;
u8 flags;
- u8 max_power;
+ u8 max_power; /* in dBm */
};
struct ieee80211_geo {
int host_encrypt;
int host_encrypt_msdu;
int host_decrypt;
+ /* host performs multicast decryption */
+ int host_mc_decrypt;
+
+ /* host should strip IV and ICV from protected frames */
+ /* meaningful only when hardware decryption is being used */
+ int host_strip_iv_icv;
+
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;
int perfect_rssi;
int worst_rssi;
+ u16 prev_seq_ctl; /* used to drop duplicate frames */
+
/* Callback functions */
void (*set_security) (struct net_device * dev,
struct ieee80211_security * sec);
int (*handle_management) (struct net_device * dev,
struct ieee80211_network * network, u16 type);
+ int (*is_qos_active) (struct net_device *dev, struct sk_buff *skb);
/* Typical STA methods */
int (*handle_auth) (struct net_device * dev,
struct ieee80211_auth * auth);
+ int (*handle_deauth) (struct net_device * dev,
+ struct ieee80211_deauth * auth);
+ int (*handle_action) (struct net_device * dev,
+ struct ieee80211_action * action,
+ struct ieee80211_rx_stats * stats);
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:
case IEEE80211_4ADDR_LEN:
return ((struct ieee80211_hdr_4addr *)hdr)->payload;
}
+ return NULL;
+}
+
+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 */
/* ieee80211_tx.c */
extern int ieee80211_xmit(struct sk_buff *skb, struct net_device *dev);
extern void ieee80211_txb_free(struct ieee80211_txb *);
-extern int ieee80211_tx_frame(struct ieee80211_device *ieee,
- struct ieee80211_hdr *frame, int len);
/* ieee80211_rx.c */
+extern void ieee80211_rx_any(struct ieee80211_device *ieee,
+ struct sk_buff *skb, struct ieee80211_rx_stats *stats);
extern int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
struct ieee80211_rx_stats *rx_stats);
+/* make sure to set stats->len */
extern void ieee80211_rx_mgt(struct ieee80211_device *ieee,
struct ieee80211_hdr_4addr *header,
struct ieee80211_rx_stats *stats);
+extern void ieee80211_network_reset(struct ieee80211_network *network);
/* ieee80211_geo.c */
extern const struct ieee80211_geo *ieee80211_get_geo(struct ieee80211_device
extern int ieee80211_channel_to_index(struct ieee80211_device *ieee,
u8 channel);
extern u8 ieee80211_freq_to_channel(struct ieee80211_device *ieee, u32 freq);
+extern u8 ieee80211_get_channel_flags(struct ieee80211_device *ieee,
+ u8 channel);
+extern const struct ieee80211_channel *ieee80211_get_channel(struct
+ ieee80211_device
+ *ieee, u8 channel);
+extern u32 ieee80211_channel_to_freq(struct ieee80211_device * ieee,
+ u8 channel);
/* ieee80211_wx.c */
extern int ieee80211_wx_get_scan(struct ieee80211_device *ieee,
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;
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff