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/* 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 <net/cfg80211.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_SEQ_LEN 8
#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];
} __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];
};
enum orinoco_alg {
ORINOCO_ALG_NONE,
ORINOCO_ALG_WEP,
ORINOCO_ALG_TKIP
};
enum fwtype {
FIRMWARE_TYPE_AGERE,
FIRMWARE_TYPE_INTERSIL,
FIRMWARE_TYPE_SYMBOL
};
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);
struct ieee80211_supported_band band;
struct ieee80211_channel channels[14];
u32 cipher_suites[3];
/* 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;
/* 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 iw_statistics wstats;
/* Hardware control variables */
struct hermes hw;
u16 txfid;
/* Capabilities of the hardware/firmware */
enum fwtype firmware_type;
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;
unsigned int prefer_port3:1;
/* Configuration paramaters */
enum nl80211_iftype iw_mode;
enum orinoco_alg encode_alg;
u16 wep_restrict, tx_key;
struct key_params 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;
u16 short_retry_limit, long_retry_limit;
u16 retry_lifetime;
#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 cfg80211_scan_request *scan_request;
struct work_struct process_scan;
struct list_head scan_list;
spinlock_t scan_lock; /* protects the scan list */
/* WPA support */
u8 *wpa_ie;
int wpa_ie_len;
struct crypto_shash *rx_tfm_mic;
struct crypto_shash *tx_tfm_mic;
unsigned int wpa_enabled:1;
unsigned int tkip_cm_active:1;
unsigned int key_mgmt:3;
#if defined(CONFIG_HERMES_CACHE_FW_ON_INIT) || defined(CONFIG_PM_SLEEP)
/* Cached in memory firmware to use during ->resume. */
const struct firmware *cached_pri_fw;
const struct firmware *cached_fw;
#endif
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 */
/********************************************************************/
struct orinoco_private *alloc_orinocodev(int sizeof_card, struct device *device,
int (*hard_reset)(struct orinoco_private *),
int (*stop_fw)(struct orinoco_private *, int));
void free_orinocodev(struct orinoco_private *priv);
int orinoco_init(struct orinoco_private *priv);
int orinoco_if_add(struct orinoco_private *priv, unsigned long base_addr,
unsigned int irq, const struct net_device_ops *ops);
void orinoco_if_del(struct orinoco_private *priv);
int orinoco_up(struct orinoco_private *priv);
void orinoco_down(struct orinoco_private *priv);
irqreturn_t orinoco_interrupt(int irq, void *dev_id);
void __orinoco_ev_info(struct net_device *dev, struct hermes *hw);
void __orinoco_ev_rx(struct net_device *dev, struct hermes *hw);
int orinoco_process_xmit_skb(struct sk_buff *skb,
struct net_device *dev,
struct orinoco_private *priv,
int *tx_control,
u8 *mic);
/* Common ndo functions exported for reuse by orinoco_usb */
int orinoco_open(struct net_device *dev);
int orinoco_stop(struct net_device *dev);
void orinoco_set_multicast_list(struct net_device *dev);
int orinoco_change_mtu(struct net_device *dev, int new_mtu);
void orinoco_tx_timeout(struct net_device *dev);
/********************************************************************/
/* Locking and synchronization functions */
/********************************************************************/
static inline int orinoco_lock(struct orinoco_private *priv,
unsigned long *flags)
{
priv->hw.ops->lock_irqsave(&priv->lock, flags);
if (priv->hw_unavailable) {
DEBUG(1, "orinoco_lock() called with hw_unavailable (dev=%p)\n",
priv->ndev);
priv->hw.ops->unlock_irqrestore(&priv->lock, flags);
return -EBUSY;
}
return 0;
}
static inline void orinoco_unlock(struct orinoco_private *priv,
unsigned long *flags)
{
priv->hw.ops->unlock_irqrestore(&priv->lock, flags);
}
static inline void orinoco_lock_irq(struct orinoco_private *priv)
{
priv->hw.ops->lock_irq(&priv->lock);
}
static inline void orinoco_unlock_irq(struct orinoco_private *priv)
{
priv->hw.ops->unlock_irq(&priv->lock);
}
/*** Navigate from net_device to orinoco_private ***/
static inline struct orinoco_private *ndev_priv(struct net_device *dev)
{
struct wireless_dev *wdev = netdev_priv(dev);
return wdev_priv(wdev);
}
#endif /* _ORINOCO_H */
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