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