252 lines
6.5 KiB
C
252 lines
6.5 KiB
C
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/* 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 <net/cfg80211.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_SEQ_LEN 8
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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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} __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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enum orinoco_alg {
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ORINOCO_ALG_NONE,
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ORINOCO_ALG_WEP,
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ORINOCO_ALG_TKIP
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};
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enum fwtype {
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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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};
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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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struct ieee80211_supported_band band;
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struct ieee80211_channel channels[14];
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u32 cipher_suites[3];
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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 iw_statistics wstats;
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/* Hardware control variables */
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struct hermes hw;
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u16 txfid;
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/* Capabilities of the hardware/firmware */
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enum fwtype firmware_type;
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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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unsigned int prefer_port3:1;
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/* Configuration paramaters */
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enum nl80211_iftype iw_mode;
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enum orinoco_alg encode_alg;
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u16 wep_restrict, tx_key;
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struct key_params 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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u16 short_retry_limit, long_retry_limit;
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u16 retry_lifetime;
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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 cfg80211_scan_request *scan_request;
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struct work_struct process_scan;
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struct list_head scan_list;
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spinlock_t scan_lock; /* protects the scan list */
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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 crypto_shash *rx_tfm_mic;
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struct crypto_shash *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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struct orinoco_private *alloc_orinocodev(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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void free_orinocodev(struct orinoco_private *priv);
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int orinoco_init(struct orinoco_private *priv);
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int orinoco_if_add(struct orinoco_private *priv, unsigned long base_addr,
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unsigned int irq, const struct net_device_ops *ops);
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void orinoco_if_del(struct orinoco_private *priv);
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int orinoco_up(struct orinoco_private *priv);
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void orinoco_down(struct orinoco_private *priv);
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irqreturn_t orinoco_interrupt(int irq, void *dev_id);
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void __orinoco_ev_info(struct net_device *dev, struct hermes *hw);
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void __orinoco_ev_rx(struct net_device *dev, struct hermes *hw);
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int orinoco_process_xmit_skb(struct sk_buff *skb,
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struct net_device *dev,
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struct orinoco_private *priv,
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int *tx_control,
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u8 *mic);
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/* Common ndo functions exported for reuse by orinoco_usb */
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int orinoco_open(struct net_device *dev);
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int orinoco_stop(struct net_device *dev);
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void orinoco_set_multicast_list(struct net_device *dev);
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int orinoco_change_mtu(struct net_device *dev, int new_mtu);
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void orinoco_tx_timeout(struct net_device *dev, unsigned int txqueue);
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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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priv->hw.ops->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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priv->hw.ops->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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priv->hw.ops->unlock_irqrestore(&priv->lock, flags);
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}
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static inline void orinoco_lock_irq(struct orinoco_private *priv)
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{
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priv->hw.ops->lock_irq(&priv->lock);
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}
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static inline void orinoco_unlock_irq(struct orinoco_private *priv)
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{
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priv->hw.ops->unlock_irq(&priv->lock);
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}
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/*** Navigate from net_device to orinoco_private ***/
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static inline struct orinoco_private *ndev_priv(struct net_device *dev)
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{
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struct wireless_dev *wdev = netdev_priv(dev);
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return wdev_priv(wdev);
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}
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#endif /* _ORINOCO_H */
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