diff options
Diffstat (limited to 'linux/pcmcia-cs/wireless/orinoco.h')
| -rw-r--r-- | linux/pcmcia-cs/wireless/orinoco.h | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/linux/pcmcia-cs/wireless/orinoco.h b/linux/pcmcia-cs/wireless/orinoco.h new file mode 100644 index 00000000..6eb9e854 --- /dev/null +++ b/linux/pcmcia-cs/wireless/orinoco.h @@ -0,0 +1,166 @@ +/* orinoco.h + * + * Common definitions to all pieces of the various orinoco + * drivers + */ + +#ifndef _ORINOCO_H +#define _ORINOCO_H + +#include <linux/types.h> +#include <linux/spinlock.h> +#include <linux/netdevice.h> +#include <linux/wireless.h> +#include <linux/version.h> +#include "hermes.h" + +/* Workqueue / task queue backwards compatibility stuff */ + +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,41) +#include <linux/workqueue.h> +#else +#include <linux/tqueue.h> +#define work_struct tq_struct +#define INIT_WORK INIT_TQUEUE +#define schedule_work schedule_task +#endif + +/* Interrupt handler backwards compatibility stuff */ +#ifndef IRQ_NONE + +#define IRQ_NONE +#define IRQ_HANDLED +typedef void irqreturn_t; + +#endif + +/* To enable debug messages */ +//#define ORINOCO_DEBUG 3 + +#if (! defined (WIRELESS_EXT)) || (WIRELESS_EXT < 10) +#error "orinoco driver requires Wireless extensions v10 or later." +#endif /* (! defined (WIRELESS_EXT)) || (WIRELESS_EXT < 10) */ +#define WIRELESS_SPY // enable iwspy support + +#define ORINOCO_MAX_KEY_SIZE 14 +#define ORINOCO_MAX_KEYS 4 + +struct orinoco_key { + u16 len; /* always stored as little-endian */ + char data[ORINOCO_MAX_KEY_SIZE]; +} __attribute__ ((packed)); + +#define ORINOCO_INTEN ( HERMES_EV_RX | HERMES_EV_ALLOC | HERMES_EV_TX | \ + HERMES_EV_TXEXC | HERMES_EV_WTERR | HERMES_EV_INFO | \ + HERMES_EV_INFDROP ) + + +struct orinoco_private { + void *card; /* Pointer to card dependent structure */ + int (*hard_reset)(struct orinoco_private *); + + /* Synchronisation stuff */ + spinlock_t lock; + int hw_unavailable; + struct work_struct reset_work; + + /* driver state */ + int open; + u16 last_linkstatus; + int connected; + + /* 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 */ + int firmware_type; +#define FIRMWARE_TYPE_AGERE 1 +#define FIRMWARE_TYPE_INTERSIL 2 +#define FIRMWARE_TYPE_SYMBOL 3 + int has_ibss, has_port3, has_ibss_any, ibss_port; + int has_wep, has_big_wep; + int has_mwo; + int has_pm; + int has_preamble; + int has_sensitivity; + int nicbuf_size; + u16 channel_mask; + int broken_disableport; + + /* Configuration paramaters */ + u32 iw_mode; + int prefer_port3; + u16 wep_on, 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]; + 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 + int spy_number; + u_char spy_address[IW_MAX_SPY][ETH_ALEN]; + struct iw_quality spy_stat[IW_MAX_SPY]; +#endif + + /* Configuration dependent variables */ + int port_type, createibss; + int promiscuous, mc_count; +}; + +#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 */ + +#define TRACE_ENTER(devname) DEBUG(2, "%s: -> " __FUNCTION__ "()\n", devname); +#define TRACE_EXIT(devname) DEBUG(2, "%s: <- " __FUNCTION__ "()\n", devname); + +extern struct net_device *alloc_orinocodev(int sizeof_card, + int (*hard_reset)(struct orinoco_private *)); +extern int __orinoco_up(struct net_device *dev); +extern int __orinoco_down(struct net_device *dev); +extern int orinoco_stop(struct net_device *dev); +extern int orinoco_reinit_firmware(struct net_device *dev); +extern irqreturn_t orinoco_interrupt(int irq, void * dev_id, struct pt_regs *regs); + +/********************************************************************/ +/* Locking and synchronization functions */ +/********************************************************************/ + +/* These functions *must* be inline or they will break horribly on + * SPARC, due to its weird semantics for save/restore flags. extern + * inline should prevent the kernel from linking or module from + * loading if they are not inlined. */ +extern inline int orinoco_lock(struct orinoco_private *priv, + unsigned long *flags) +{ + spin_lock_irqsave(&priv->lock, *flags); + if (priv->hw_unavailable) { + printk(KERN_DEBUG "orinoco_lock() called with hw_unavailable (dev=%p)\n", + priv->ndev); + spin_unlock_irqrestore(&priv->lock, *flags); + return -EBUSY; + } + return 0; +} + +extern inline void orinoco_unlock(struct orinoco_private *priv, + unsigned long *flags) +{ + spin_unlock_irqrestore(&priv->lock, *flags); +} + +#endif /* _ORINOCO_H */ |