diff options
Diffstat (limited to 'drivers/net/wireless/orinoco/orinoco.h')
-rw-r--r-- | drivers/net/wireless/orinoco/orinoco.h | 222 |
1 files changed, 222 insertions, 0 deletions
diff --git a/drivers/net/wireless/orinoco/orinoco.h b/drivers/net/wireless/orinoco/orinoco.h new file mode 100644 index 0000000..00750c8 --- /dev/null +++ b/drivers/net/wireless/orinoco/orinoco.h @@ -0,0 +1,222 @@ +/* orinoco.h + * + * Common definitions to all pieces of the various orinoco + * drivers + */ + +#ifndef _ORINOCO_H +#define _ORINOCO_H + +#define DRIVER_VERSION "0.15" + +#include <linux/interrupt.h> +#include <linux/suspend.h> +#include <linux/netdevice.h> +#include <linux/wireless.h> +#include <net/iw_handler.h> + +#include "hermes.h" + +/* To enable debug messages */ +//#define ORINOCO_DEBUG 3 + +#define WIRELESS_SPY // enable iwspy support + +#define MAX_SCAN_LEN 4096 + +#define ORINOCO_MAX_KEY_SIZE 14 +#define ORINOCO_MAX_KEYS 4 + +struct orinoco_key { + __le16 len; /* always stored as little-endian */ + char data[ORINOCO_MAX_KEY_SIZE]; +} __attribute__ ((packed)); + +#define TKIP_KEYLEN 16 +#define MIC_KEYLEN 8 + +struct orinoco_tkip_key { + u8 tkip[TKIP_KEYLEN]; + u8 tx_mic[MIC_KEYLEN]; + u8 rx_mic[MIC_KEYLEN]; +}; + +typedef enum { + FIRMWARE_TYPE_AGERE, + FIRMWARE_TYPE_INTERSIL, + FIRMWARE_TYPE_SYMBOL +} fwtype_t; + +struct bss_element { + union hermes_scan_info bss; + unsigned long last_scanned; + struct list_head list; +}; + +struct xbss_element { + struct agere_ext_scan_info bss; + unsigned long last_scanned; + struct list_head list; +}; + +struct hermes_rx_descriptor; + +struct orinoco_rx_data { + struct hermes_rx_descriptor *desc; + struct sk_buff *skb; + struct list_head list; +}; + +struct firmware; + +struct orinoco_private { + void *card; /* Pointer to card dependent structure */ + struct device *dev; + int (*hard_reset)(struct orinoco_private *); + int (*stop_fw)(struct orinoco_private *, int); + + /* Synchronisation stuff */ + spinlock_t lock; + int hw_unavailable; + struct work_struct reset_work; + + /* Interrupt tasklets */ + struct tasklet_struct rx_tasklet; + struct list_head rx_list; + struct orinoco_rx_data *rx_data; + + /* driver state */ + int open; + u16 last_linkstatus; + struct work_struct join_work; + struct work_struct wevent_work; + + /* Net device stuff */ + struct net_device *ndev; + struct net_device_stats stats; + struct iw_statistics wstats; + + /* Hardware control variables */ + hermes_t hw; + u16 txfid; + + /* Capabilities of the hardware/firmware */ + fwtype_t firmware_type; + char fw_name[32]; + int ibss_port; + int nicbuf_size; + u16 channel_mask; + + /* Boolean capabilities */ + unsigned int has_ibss:1; + unsigned int has_port3:1; + unsigned int has_wep:1; + unsigned int has_big_wep:1; + unsigned int has_mwo:1; + unsigned int has_pm:1; + unsigned int has_preamble:1; + unsigned int has_sensitivity:1; + unsigned int has_hostscan:1; + unsigned int has_alt_txcntl:1; + unsigned int has_ext_scan:1; + unsigned int has_wpa:1; + unsigned int do_fw_download:1; + unsigned int broken_disableport:1; + unsigned int broken_monitor:1; + + /* Configuration paramaters */ + u32 iw_mode; + int prefer_port3; + u16 encode_alg, wep_restrict, tx_key; + struct orinoco_key keys[ORINOCO_MAX_KEYS]; + int bitratemode; + char nick[IW_ESSID_MAX_SIZE+1]; + char desired_essid[IW_ESSID_MAX_SIZE+1]; + char desired_bssid[ETH_ALEN]; + int bssid_fixed; + u16 frag_thresh, mwo_robust; + u16 channel; + u16 ap_density, rts_thresh; + u16 pm_on, pm_mcast, pm_period, pm_timeout; + u16 preamble; +#ifdef WIRELESS_SPY + struct iw_spy_data spy_data; /* iwspy support */ + struct iw_public_data wireless_data; +#endif + + /* Configuration dependent variables */ + int port_type, createibss; + int promiscuous, mc_count; + + /* Scanning support */ + struct list_head bss_list; + struct list_head bss_free_list; + void *bss_xbss_data; + + int scan_inprogress; /* Scan pending... */ + u32 scan_mode; /* Type of scan done */ + + /* WPA support */ + u8 *wpa_ie; + int wpa_ie_len; + + struct orinoco_tkip_key tkip_key[ORINOCO_MAX_KEYS]; + struct crypto_hash *rx_tfm_mic; + struct crypto_hash *tx_tfm_mic; + + unsigned int wpa_enabled:1; + unsigned int tkip_cm_active:1; + unsigned int key_mgmt:3; + + /* Cached in memory firmware to use during ->resume. */ + const struct firmware *cached_pri_fw; + const struct firmware *cached_fw; + + struct notifier_block pm_notifier; +}; + +#ifdef ORINOCO_DEBUG +extern int orinoco_debug; +#define DEBUG(n, args...) do { if (orinoco_debug>(n)) printk(KERN_DEBUG args); } while(0) +#else +#define DEBUG(n, args...) do { } while (0) +#endif /* ORINOCO_DEBUG */ + +/********************************************************************/ +/* Exported prototypes */ +/********************************************************************/ + +extern struct net_device *alloc_orinocodev( + int sizeof_card, struct device *device, + int (*hard_reset)(struct orinoco_private *), + int (*stop_fw)(struct orinoco_private *, int)); +extern void free_orinocodev(struct net_device *dev); +extern int __orinoco_up(struct net_device *dev); +extern int __orinoco_down(struct net_device *dev); +extern int orinoco_reinit_firmware(struct net_device *dev); +extern irqreturn_t orinoco_interrupt(int irq, void * dev_id); + +/********************************************************************/ +/* Locking and synchronization functions */ +/********************************************************************/ + +static inline int orinoco_lock(struct orinoco_private *priv, + unsigned long *flags) +{ + spin_lock_irqsave(&priv->lock, *flags); + if (priv->hw_unavailable) { + DEBUG(1, "orinoco_lock() called with hw_unavailable (dev=%p)\n", + priv->ndev); + spin_unlock_irqrestore(&priv->lock, *flags); + return -EBUSY; + } + return 0; +} + +static inline void orinoco_unlock(struct orinoco_private *priv, + unsigned long *flags) +{ + spin_unlock_irqrestore(&priv->lock, *flags); +} + +#endif /* _ORINOCO_H */ |