*
* 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-1.1.7"
+
#define IEEE80211_DATA_LEN 2304
/* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
6.2.1.1.2.
#define IEEE80211_STYPE_CFACK 0x0050
#define IEEE80211_STYPE_CFPOLL 0x0060
#define IEEE80211_STYPE_CFACKPOLL 0x0070
+#define IEEE80211_STYPE_QOS_DATA 0x0080
#define IEEE80211_SCTL_FRAG 0x000F
#define IEEE80211_SCTL_SEQ 0xFFF0
#define IEEE80211_DL_TX (1<<8)
#define IEEE80211_DL_RX (1<<9)
+#define IEEE80211_DL_QOS (1<<31)
#define IEEE80211_ERROR(f, a...) printk(KERN_ERR "ieee80211: " f, ## a)
#define IEEE80211_WARNING(f, a...) printk(KERN_WARNING "ieee80211: " f, ## a)
#define IEEE80211_DEBUG_DROP(f, a...) IEEE80211_DEBUG(IEEE80211_DL_DROP, f, ## a)
#define IEEE80211_DEBUG_TX(f, a...) IEEE80211_DEBUG(IEEE80211_DL_TX, f, ## a)
#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 */
#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 {
MFIE_TYPE_RSN = 48,
MFIE_TYPE_RATES_EX = 50,
MFIE_TYPE_GENERIC = 221,
+ MFIE_TYPE_QOS_PARAMETER = 222,
};
/* Minimal header; can be used for passing 802.11 frames with sufficient
* 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];
+ __le16 seq_ctl;
+ u8 addr4[ETH_ALEN];
+ u8 payload[0];
+} __attribute__ ((packed));
+
+struct ieee80211_hdr_3addrqos {
+ __le16 frame_ctl;
+ __le16 duration_id;
+ u8 addr1[ETH_ALEN];
+ u8 addr2[ETH_ALEN];
+ u8 addr3[ETH_ALEN];
+ __le16 seq_ctl;
+ u8 payload[0];
+ __le16 qos_ctl;
+} __attribute__ ((packed));
+
+struct ieee80211_hdr_4addrqos {
+ __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];
+ __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];
};
#define MAX_WPA_IE_LEN 64
-#define NETWORK_EMPTY_ESSID (1<<0)
-#define NETWORK_HAS_OFDM (1<<1)
-#define NETWORK_HAS_CCK (1<<2)
+#define NETWORK_EMPTY_ESSID (1<<0)
+#define NETWORK_HAS_OFDM (1<<1)
+#define NETWORK_HAS_CCK (1<<2)
+
+/* 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 QOS_QUEUE_NUM 4
+#define QOS_OUI_LEN 3
+#define QOS_OUI_TYPE 2
+#define QOS_ELEMENT_ID 221
+#define QOS_OUI_INFO_SUB_TYPE 0
+#define QOS_OUI_PARAM_SUB_TYPE 1
+#define QOS_VERSION_1 1
+#define QOS_AIFSN_MIN_VALUE 2
+
+struct ieee80211_qos_information_element {
+ u8 elementID;
+ u8 length;
+ u8 qui[QOS_OUI_LEN];
+ u8 qui_type;
+ u8 qui_subtype;
+ u8 version;
+ u8 ac_info;
+} __attribute__ ((packed));
+
+struct ieee80211_qos_ac_parameter {
+ u8 aci_aifsn;
+ u8 ecw_min_max;
+ __le16 tx_op_limit;
+} __attribute__ ((packed));
+
+struct ieee80211_qos_parameter_info {
+ struct ieee80211_qos_information_element info_element;
+ u8 reserved;
+ struct ieee80211_qos_ac_parameter ac_params_record[QOS_QUEUE_NUM];
+} __attribute__ ((packed));
+
+struct ieee80211_qos_parameters {
+ __le16 cw_min[QOS_QUEUE_NUM];
+ __le16 cw_max[QOS_QUEUE_NUM];
+ u8 aifs[QOS_QUEUE_NUM];
+ u8 flag[QOS_QUEUE_NUM];
+ __le16 tx_op_limit[QOS_QUEUE_NUM];
+} __attribute__ ((packed));
+
+struct ieee80211_qos_data {
+ struct ieee80211_qos_parameters parameters;
+ int active;
+ int supported;
+ u8 param_count;
+ u8 old_param_count;
+};
+
+struct ieee80211_tim_parameters {
+ u8 tim_count;
+ u8 tim_period;
+} __attribute__ ((packed));
+
+/*******************************************************/
struct ieee80211_network {
/* These entries are used to identify a unique network */
u8 ssid[IW_ESSID_MAX_SIZE + 1];
u8 ssid_len;
+ struct ieee80211_qos_data qos_data;
+
/* These are network statistics */
struct ieee80211_rx_stats stats;
u16 capability;
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;
struct list_head list;
};
#define CFG_IEEE80211_RESERVE_FCS (1<<0)
#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 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;
/* If the host performs {en,de}cryption, then set to 1 */
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;
struct ieee80211_frag_entry frag_cache[IEEE80211_FRAG_CACHE_LEN];
unsigned int frag_next_idx;
u16 fts; /* Fragmentation Threshold */
+ u16 rts; /* RTS threshold */
/* Association info */
u8 bssid[ETH_ALEN];
void (*set_security) (struct net_device * dev,
struct ieee80211_security * sec);
int (*hard_start_xmit) (struct ieee80211_txb * txb,
- struct net_device * dev);
+ struct net_device * dev, int pri);
int (*reset_port) (struct net_device * dev);
+ int (*is_queue_full) (struct net_device * dev, int pri);
+
+ int (*handle_management) (struct net_device * dev,
+ struct ieee80211_network * network, u16 type);
+
+ /* 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,
+ struct ieee80211_beacon * beacon,
+ struct ieee80211_network * network);
+ 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);
+
+ /* Typical AP methods */
+ int (*handle_assoc_request) (struct net_device * dev);
+ int (*handle_reassoc_request) (struct net_device * dev,
+ struct ieee80211_reassoc_request * req);
/* This must be the last item so that it points to the data
* allocated beyond this structure by alloc_ieee80211 */
#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);
switch (WLAN_FC_GET_TYPE(fc)) {
case IEEE80211_FTYPE_DATA:
if ((fc & IEEE80211_FCTL_FROMDS) && (fc & IEEE80211_FCTL_TODS))
hdrlen = IEEE80211_4ADDR_LEN;
+ if (stype & IEEE80211_STYPE_QOS_DATA)
+ hdrlen += 2;
break;
case IEEE80211_FTYPE_CTL:
switch (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 int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
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;
}
projects / linux-2.6-omap-h63xx.git / blobdiff