diff options
Diffstat (limited to 'drivers/net/wireless/intersil/orinoco/orinoco.h')
| -rw-r--r-- | drivers/net/wireless/intersil/orinoco/orinoco.h | 251 |
1 files changed, 251 insertions, 0 deletions
diff --git a/drivers/net/wireless/intersil/orinoco/orinoco.h b/drivers/net/wireless/intersil/orinoco/orinoco.h new file mode 100644 index 000000000..430862a6a --- /dev/null +++ b/drivers/net/wireless/intersil/orinoco/orinoco.h @@ -0,0 +1,251 @@ +/* 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 */ |