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path: root/drivers/staging/at76_usb/at76_usb.h
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Diffstat (limited to 'drivers/staging/at76_usb/at76_usb.h')
-rw-r--r--drivers/staging/at76_usb/at76_usb.h227
1 files changed, 58 insertions, 169 deletions
diff --git a/drivers/staging/at76_usb/at76_usb.h b/drivers/staging/at76_usb/at76_usb.h
index b20be9da1fa1..8bb352f16d45 100644
--- a/drivers/staging/at76_usb/at76_usb.h
+++ b/drivers/staging/at76_usb/at76_usb.h
@@ -34,23 +34,6 @@ enum board_type {
BOARD_505AMX = 8
};
-/* our private ioctl's */
-/* preamble length (0 - long, 1 - short, 2 - auto) */
-#define AT76_SET_SHORT_PREAMBLE (SIOCIWFIRSTPRIV + 0)
-#define AT76_GET_SHORT_PREAMBLE (SIOCIWFIRSTPRIV + 1)
-/* which debug channels are enabled */
-#define AT76_SET_DEBUG (SIOCIWFIRSTPRIV + 2)
-#define AT76_GET_DEBUG (SIOCIWFIRSTPRIV + 3)
-/* power save mode (incl. the Atmel proprietary smart save mode) */
-#define AT76_SET_POWERSAVE_MODE (SIOCIWFIRSTPRIV + 4)
-#define AT76_GET_POWERSAVE_MODE (SIOCIWFIRSTPRIV + 5)
-/* min and max channel times for scan */
-#define AT76_SET_SCAN_TIMES (SIOCIWFIRSTPRIV + 6)
-#define AT76_GET_SCAN_TIMES (SIOCIWFIRSTPRIV + 7)
-/* scan mode (0 - active, 1 - passive) */
-#define AT76_SET_SCAN_MODE (SIOCIWFIRSTPRIV + 8)
-#define AT76_GET_SCAN_MODE (SIOCIWFIRSTPRIV + 9)
-
#define CMD_STATUS_IDLE 0x00
#define CMD_STATUS_COMPLETE 0x01
#define CMD_STATUS_UNKNOWN 0x02
@@ -82,6 +65,7 @@ enum board_type {
#define MIB_MAC 0x03
#define MIB_MAC_MGMT 0x05
#define MIB_MAC_WEP 0x06
+#define MIB_MAC_ENCRYPTION 0x06
#define MIB_PHY 0x07
#define MIB_FW_VERSION 0x08
#define MIB_MDOMAIN 0x09
@@ -106,6 +90,26 @@ enum board_type {
#define AT76_PM_ON 2
#define AT76_PM_SMART 3
+/* cipher values for encryption keys */
+#define CIPHER_NONE 0 /* this value is only guessed */
+#define CIPHER_WEP64 1
+#define CIPHER_TKIP 2
+#define CIPHER_CCMP 3
+#define CIPHER_CCX 4 /* for consistency sake only */
+#define CIPHER_WEP128 5
+
+/* bit flags key types for encryption keys */
+#define KEY_PAIRWISE 2
+#define KEY_TX 4
+
+#define CIPHER_KEYS (4)
+#define CIPHER_KEY_LEN (40)
+
+struct key_config {
+ u8 cipher;
+ u8 keylen;
+};
+
struct hwcfg_r505 {
u8 cr39_values[14];
u8 reserved1[14];
@@ -147,6 +151,9 @@ union at76_hwcfg {
#define WEP_SMALL_KEY_LEN (40 / 8)
#define WEP_LARGE_KEY_LEN (104 / 8)
+#define WEP_KEYS (4)
+
+
struct at76_card_config {
u8 exclude_unencrypted;
@@ -161,7 +168,7 @@ struct at76_card_config {
u8 privacy_invoked;
u8 wep_default_key_id; /* 0..3 */
u8 current_ssid[32];
- u8 wep_default_key_value[4][WEP_KEY_LEN];
+ u8 wep_default_key_value[4][WEP_LARGE_KEY_LEN];
u8 ssid_len;
u8 short_preamble;
__le16 beacon_period;
@@ -186,7 +193,7 @@ struct at76_rx_buffer {
u8 link_quality;
u8 noise_level;
__le32 rx_time;
- u8 packet[IEEE80211_FRAME_LEN + IEEE80211_FCS_LEN];
+ u8 packet[IEEE80211_MAX_FRAG_THRESHOLD];
} __attribute__((packed));
/* Length of Atmel-specific Tx header before 802.11 frame */
@@ -196,8 +203,11 @@ struct at76_tx_buffer {
__le16 wlength;
u8 tx_rate;
u8 padding;
- u8 reserved[4];
- u8 packet[IEEE80211_FRAME_LEN + IEEE80211_FCS_LEN];
+ u8 key_id;
+ u8 cipher_type;
+ u8 cipher_length;
+ u8 reserved;
+ u8 packet[IEEE80211_MAX_FRAG_THRESHOLD];
} __attribute__((packed));
/* defines for scan_type below */
@@ -244,6 +254,7 @@ struct set_mib_buffer {
u8 byte;
__le16 word;
u8 addr[ETH_ALEN];
+ u8 data[256]; /* we need more space for mib_mac_encryption */
} data;
} __attribute__((packed));
@@ -317,10 +328,24 @@ struct mib_mac_wep {
u8 exclude_unencrypted;
__le32 wep_icv_error_count;
__le32 wep_excluded_count;
- u8 wep_default_keyvalue[WEP_KEYS][WEP_KEY_LEN];
+ u8 wep_default_keyvalue[WEP_KEYS][WEP_LARGE_KEY_LEN];
u8 encryption_level; /* 1 for 40bit, 2 for 104bit encryption */
} __attribute__((packed));
+struct mib_mac_encryption {
+ u8 cipher_default_keyvalue[CIPHER_KEYS][CIPHER_KEY_LEN];
+ u8 tkip_bssid[6];
+ u8 privacy_invoked;
+ u8 cipher_default_key_id;
+ u8 cipher_default_group_key_id;
+ u8 exclude_unencrypted;
+ u8 wep_encryption_type;
+ u8 ckip_key_permutation; /* bool */
+ __le32 wep_icv_error_count;
+ __le32 wep_excluded_count;
+ u8 key_rsc[CIPHER_KEYS][8];
+} __attribute__((packed));
+
struct mib_phy {
__le32 ed_threshold;
@@ -364,16 +389,6 @@ struct at76_fw_header {
__le32 ext_fw_len; /* external firmware image length */
} __attribute__((packed));
-enum mac_state {
- MAC_INIT,
- MAC_SCANNING,
- MAC_AUTH,
- MAC_ASSOC,
- MAC_JOINING,
- MAC_CONNECTED,
- MAC_OWN_IBSS
-};
-
/* a description of a regulatory domain and the allowed channels */
struct reg_domain {
u16 code;
@@ -381,47 +396,6 @@ struct reg_domain {
u32 channel_map; /* if bit N is set, channel (N+1) is allowed */
};
-/* how long do we keep a (I)BSS in the bss_list in jiffies
- this should be long enough for the user to retrieve the table
- (by iwlist ?) after the device started, because all entries from
- other channels than the one the device locks on get removed, too */
-#define BSS_LIST_TIMEOUT (120 * HZ)
-/* struct to store BSS info found during scan */
-#define BSS_LIST_MAX_RATE_LEN 32 /* 32 rates should be enough ... */
-
-struct bss_info {
- struct list_head list;
-
- u8 bssid[ETH_ALEN]; /* bssid */
- u8 ssid[IW_ESSID_MAX_SIZE]; /* essid */
- u8 ssid_len; /* length of ssid above */
- u8 channel;
- u16 capa; /* BSS capabilities */
- u16 beacon_interval; /* beacon interval, Kus (1024 microseconds) */
- u8 rates[BSS_LIST_MAX_RATE_LEN]; /* supported rates in units of
- 500 kbps, ORed with 0x80 for
- basic rates */
- u8 rates_len;
-
- /* quality of received beacon */
- u8 rssi;
- u8 link_qual;
- u8 noise_level;
-
- unsigned long last_rx; /* time (jiffies) of last beacon received */
-};
-
-/* a rx data buffer to collect rx fragments */
-struct rx_data_buf {
- u8 sender[ETH_ALEN]; /* sender address */
- u16 seqnr; /* sequence number */
- u16 fragnr; /* last fragment received */
- unsigned long last_rx; /* jiffies of last rx */
- struct sk_buff *skb; /* == NULL if entry is free */
-};
-
-#define NR_RX_DATA_BUF 8
-
/* Data for one loaded firmware file */
struct fwentry {
const char *const fwname;
@@ -438,11 +412,9 @@ struct fwentry {
struct at76_priv {
struct usb_device *udev; /* USB device pointer */
- struct net_device *netdev; /* net device pointer */
- struct net_device_stats stats; /* net device stats */
- struct iw_statistics wstats; /* wireless stats */
struct sk_buff *rx_skb; /* skbuff for receiving data */
+ struct sk_buff *tx_skb; /* skbuff for transmitting data */
void *bulk_out_buffer; /* buffer for sending data */
struct urb *tx_urb; /* URB for sending data */
@@ -454,26 +426,17 @@ struct at76_priv {
struct mutex mtx; /* locks this structure */
/* work queues */
- struct work_struct work_assoc_done;
- struct work_struct work_join;
- struct work_struct work_new_bss;
- struct work_struct work_start_scan;
struct work_struct work_set_promisc;
struct work_struct work_submit_rx;
- struct delayed_work dwork_restart;
- struct delayed_work dwork_get_scan;
- struct delayed_work dwork_beacon;
- struct delayed_work dwork_auth;
- struct delayed_work dwork_assoc;
+ struct delayed_work dwork_hw_scan;
struct tasklet_struct rx_tasklet;
/* the WEP stuff */
int wep_enabled; /* 1 if WEP is enabled */
int wep_key_id; /* key id to be used */
- u8 wep_keys[WEP_KEYS][WEP_KEY_LEN]; /* the four WEP keys,
- 5 or 13 bytes are used */
- u8 wep_keys_len[WEP_KEYS]; /* the length of the above keys */
+ u8 wep_keys[WEP_KEYS][WEP_LARGE_KEY_LEN]; /* WEP keys */
+ u8 wep_keys_len[WEP_KEYS]; /* length of WEP keys */
int channel;
int iw_mode;
@@ -495,44 +458,13 @@ struct at76_priv {
int scan_mode; /* SCAN_TYPE_ACTIVE, SCAN_TYPE_PASSIVE */
int scan_need_any; /* if set, need to scan for any ESSID */
- /* the list we got from scanning */
- spinlock_t bss_list_spinlock; /* protects bss_list operations */
- struct list_head bss_list; /* list of BSS we got beacons from */
- struct timer_list bss_list_timer; /* timer to purge old entries
- from bss_list */
- struct bss_info *curr_bss; /* current BSS */
u16 assoc_id; /* current association ID, if associated */
- u8 wanted_bssid[ETH_ALEN];
- int wanted_bssid_valid; /* != 0 if wanted_bssid is to be used */
-
- /* some data for infrastructure mode only */
- spinlock_t mgmt_spinlock; /* this spinlock protects access to
- next_mgmt_bulk */
-
- struct at76_tx_buffer *next_mgmt_bulk; /* pending management msg to
- send via bulk out */
- enum mac_state mac_state;
- enum {
- SCAN_IDLE,
- SCAN_IN_PROGRESS,
- SCAN_COMPLETED
- } scan_state;
- time_t last_scan;
-
- int retries; /* remaining retries in case of timeout when
- * sending AuthReq or AssocReq */
u8 pm_mode; /* power management mode */
u32 pm_period; /* power management period in microseconds */
struct reg_domain const *domain; /* reg domain description */
- /* iwspy support */
- spinlock_t spy_spinlock;
- struct iw_spy_data spy_data;
-
- struct iw_public_data wireless_data;
-
/* These fields contain HW config provided by the device (not all of
* these fields are used by all board types) */
u8 mac_addr[ETH_ALEN];
@@ -540,9 +472,6 @@ struct at76_priv {
struct at76_card_config card_config;
- /* store rx fragments until complete */
- struct rx_data_buf rx_data[NR_RX_DATA_BUF];
-
enum board_type board_type;
struct mib_fw_version fw_version;
@@ -550,58 +479,20 @@ struct at76_priv {
unsigned int netdev_registered:1;
struct set_mib_buffer mib_buf; /* global buffer for set_mib calls */
- /* beacon counting */
int beacon_period; /* period of mgmt beacons, Kus */
- int beacons_received;
- unsigned long beacons_last_qual; /* time we restarted counting
- beacons */
-};
-struct at76_rx_radiotap {
- struct ieee80211_radiotap_header rt_hdr;
- __le64 rt_tsft;
- u8 rt_flags;
- u8 rt_rate;
- s8 rt_signal;
- s8 rt_noise;
-};
-
-#define AT76_RX_RADIOTAP_PRESENT \
- ((1 << IEEE80211_RADIOTAP_TSFT) | \
- (1 << IEEE80211_RADIOTAP_FLAGS) | \
- (1 << IEEE80211_RADIOTAP_RATE) | \
- (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL) | \
- (1 << IEEE80211_RADIOTAP_DB_ANTNOISE))
-
-#define BEACON_MAX_DATA_LENGTH 1500
-
-/* the maximum size of an AssocReq packet */
-#define ASSOCREQ_MAX_SIZE \
- (AT76_TX_HDRLEN + sizeof(struct ieee80211_assoc_request) + \
- 1 + 1 + IW_ESSID_MAX_SIZE + 1 + 1 + 4)
-
-/* for shared secret auth, add the challenge text size */
-#define AUTH_FRAME_SIZE (AT76_TX_HDRLEN + sizeof(struct ieee80211_auth))
+ struct ieee80211_hw *hw;
+ int mac80211_registered;
-/* Maximal number of AuthReq retries */
-#define AUTH_RETRIES 3
-
-/* Maximal number of AssocReq retries */
-#define ASSOC_RETRIES 3
-
-/* Beacon timeout in managed mode when we are connected */
-#define BEACON_TIMEOUT (10 * HZ)
-
-/* Timeout for authentication response */
-#define AUTH_TIMEOUT (1 * HZ)
+ struct key_config keys[4]; /* installed key types */
+ u8 default_pairwise_key;
+ u8 default_group_key;
+};
-/* Timeout for association response */
-#define ASSOC_TIMEOUT (1 * HZ)
+#define AT76_SUPPORTED_FILTERS FIF_PROMISC_IN_BSS
-/* Polling interval when scan is running */
#define SCAN_POLL_INTERVAL (HZ / 4)
-/* Command completion timeout */
#define CMD_COMPLETION_TIMEOUT (5 * HZ)
#define DEF_RTS_THRESHOLD 1536
@@ -611,8 +502,6 @@ struct at76_rx_radiotap {
#define DEF_SCAN_MIN_TIME 10
#define DEF_SCAN_MAX_TIME 120
-#define MAX_RTS_THRESHOLD (MAX_FRAG_THRESHOLD + 1)
-
/* the max padding size for tx in bytes (see calc_padding) */
#define MAX_PADDING_SIZE 53
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.