diff options
Diffstat (limited to 'drivers/staging/wlan-ng/p80211netdev.h')
| -rw-r--r-- | drivers/staging/wlan-ng/p80211netdev.h | 336 |
1 files changed, 336 insertions, 0 deletions
diff --git a/drivers/staging/wlan-ng/p80211netdev.h b/drivers/staging/wlan-ng/p80211netdev.h new file mode 100644 index 00000000000..9b2e0cdcb44 --- /dev/null +++ b/drivers/staging/wlan-ng/p80211netdev.h @@ -0,0 +1,336 @@ +/* p80211netdev.h +* +* WLAN net device structure and functions +* +* Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved. +* -------------------------------------------------------------------- +* +* linux-wlan +* +* The contents of this file are subject to the Mozilla Public +* License Version 1.1 (the "License"); you may not use this file +* except in compliance with the License. You may obtain a copy of +* the License at http://www.mozilla.org/MPL/ +* +* Software distributed under the License is distributed on an "AS +* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or +* implied. See the License for the specific language governing +* rights and limitations under the License. +* +* Alternatively, the contents of this file may be used under the +* terms of the GNU Public License version 2 (the "GPL"), in which +* case the provisions of the GPL are applicable instead of the +* above. If you wish to allow the use of your version of this file +* only under the terms of the GPL and not to allow others to use +* your version of this file under the MPL, indicate your decision +* by deleting the provisions above and replace them with the notice +* and other provisions required by the GPL. If you do not delete +* the provisions above, a recipient may use your version of this +* file under either the MPL or the GPL. +* +* -------------------------------------------------------------------- +* +* Inquiries regarding the linux-wlan Open Source project can be +* made directly to: +* +* AbsoluteValue Systems Inc. +* info@linux-wlan.com +* http://www.linux-wlan.com +* +* -------------------------------------------------------------------- +* +* Portions of the development of this software were funded by +* Intersil Corporation as part of PRISM(R) chipset product development. +* +* -------------------------------------------------------------------- +* +* This file declares the structure type that represents each wlan +* interface. +* +* -------------------------------------------------------------------- +*/ + +#ifndef _LINUX_P80211NETDEV_H +#define _LINUX_P80211NETDEV_H + +#include <linux/interrupt.h> +#include <linux/wireless.h> + +/*================================================================*/ +/* Constants */ + +#define WLAN_DEVICE_CLOSED 0 +#define WLAN_DEVICE_OPEN 1 + +#define WLAN_MACMODE_NONE 0 +#define WLAN_MACMODE_IBSS_STA 1 +#define WLAN_MACMODE_ESS_STA 2 +#define WLAN_MACMODE_ESS_AP 3 + +/* MSD States */ +#define WLAN_MSD_START -1 +#define WLAN_MSD_DRIVERLOADED 0 +#define WLAN_MSD_HWPRESENT_PENDING 1 +#define WLAN_MSD_HWFAIL 2 +#define WLAN_MSD_HWPRESENT 3 +#define WLAN_MSD_FWLOAD_PENDING 4 +#define WLAN_MSD_FWLOAD 5 +#define WLAN_MSD_RUNNING_PENDING 6 +#define WLAN_MSD_RUNNING 7 + +#ifndef ETH_P_ECONET +#define ETH_P_ECONET 0x0018 /* needed for 2.2.x kernels */ +#endif + +#define ETH_P_80211_RAW (ETH_P_ECONET + 1) + +#ifndef ARPHRD_IEEE80211 +#define ARPHRD_IEEE80211 801 /* kernel 2.4.6 */ +#endif + +#ifndef ARPHRD_IEEE80211_PRISM /* kernel 2.4.18 */ +#define ARPHRD_IEEE80211_PRISM 802 +#endif + +/*--- NSD Capabilities Flags ------------------------------*/ +#define P80211_NSDCAP_HARDWAREWEP 0x01 /* hardware wep engine */ +#define P80211_NSDCAP_TIEDWEP 0x02 /* can't decouple en/de */ +#define P80211_NSDCAP_NOHOSTWEP 0x04 /* must use hardware wep */ +#define P80211_NSDCAP_PBCC 0x08 /* hardware supports PBCC */ +#define P80211_NSDCAP_SHORT_PREAMBLE 0x10 /* hardware supports */ +#define P80211_NSDCAP_AGILITY 0x20 /* hardware supports */ +#define P80211_NSDCAP_AP_RETRANSMIT 0x40 /* nsd handles retransmits */ +#define P80211_NSDCAP_HWFRAGMENT 0x80 /* nsd handles frag/defrag */ +#define P80211_NSDCAP_AUTOJOIN 0x100 /* nsd does autojoin */ +#define P80211_NSDCAP_NOSCAN 0x200 /* nsd can scan */ + +/*================================================================*/ +/* Macros */ + +/*================================================================*/ +/* Types */ + +/* Received frame statistics */ +typedef struct p80211_frmrx_t +{ + UINT32 mgmt; + UINT32 assocreq; + UINT32 assocresp; + UINT32 reassocreq; + UINT32 reassocresp; + UINT32 probereq; + UINT32 proberesp; + UINT32 beacon; + UINT32 atim; + UINT32 disassoc; + UINT32 authen; + UINT32 deauthen; + UINT32 mgmt_unknown; + UINT32 ctl; + UINT32 pspoll; + UINT32 rts; + UINT32 cts; + UINT32 ack; + UINT32 cfend; + UINT32 cfendcfack; + UINT32 ctl_unknown; + UINT32 data; + UINT32 dataonly; + UINT32 data_cfack; + UINT32 data_cfpoll; + UINT32 data__cfack_cfpoll; + UINT32 null; + UINT32 cfack; + UINT32 cfpoll; + UINT32 cfack_cfpoll; + UINT32 data_unknown; + UINT32 decrypt; + UINT32 decrypt_err; +} p80211_frmrx_t; + +#ifdef WIRELESS_EXT +/* called by /proc/net/wireless */ +struct iw_statistics* p80211wext_get_wireless_stats(netdevice_t *dev); +/* wireless extensions' ioctls */ +int p80211wext_support_ioctl(netdevice_t *dev, struct ifreq *ifr, int cmd); +#if WIRELESS_EXT > 12 +extern struct iw_handler_def p80211wext_handler_def; +#endif + +int p80211wext_event_associated(struct wlandevice *wlandev, int assoc); + +#endif /* wireless extensions */ + +/* WEP stuff */ +#define NUM_WEPKEYS 4 +#define MAX_KEYLEN 32 + +#define HOSTWEP_DEFAULTKEY_MASK (BIT1|BIT0) +#define HOSTWEP_DECRYPT BIT4 +#define HOSTWEP_ENCRYPT BIT5 +#define HOSTWEP_PRIVACYINVOKED BIT6 +#define HOSTWEP_EXCLUDEUNENCRYPTED BIT7 + +extern int wlan_watchdog; +extern int wlan_wext_write; + +/* WLAN device type */ +typedef struct wlandevice +{ + struct wlandevice *next; /* link for list of devices */ + void *priv; /* private data for MSD */ + + /* Subsystem State */ + char name[WLAN_DEVNAMELEN_MAX]; /* Dev name, from register_wlandev()*/ + char *nsdname; + + UINT32 state; /* Device I/F state (open/closed) */ + UINT32 msdstate; /* state of underlying driver */ + UINT32 hwremoved; /* Has the hw been yanked out? */ + + /* Hardware config */ + UINT irq; + UINT iobase; + UINT membase; + UINT32 nsdcaps; /* NSD Capabilities flags */ + + /* Config vars */ + UINT ethconv; + + /* device methods (init by MSD, used by p80211 */ + int (*open)(struct wlandevice *wlandev); + int (*close)(struct wlandevice *wlandev); + void (*reset)(struct wlandevice *wlandev ); + int (*txframe)(struct wlandevice *wlandev, struct sk_buff *skb, p80211_hdr_t *p80211_hdr, p80211_metawep_t *p80211_wep); + int (*mlmerequest)(struct wlandevice *wlandev, p80211msg_t *msg); + int (*set_multicast_list)(struct wlandevice *wlandev, + netdevice_t *dev); + void (*tx_timeout)(struct wlandevice *wlandev); + +#ifdef CONFIG_PROC_FS + int (*nsd_proc_read)(char *page, char **start, off_t offset, int count, int *eof, void *data); +#endif + + /* 802.11 State */ + UINT8 bssid[WLAN_BSSID_LEN]; + p80211pstr32_t ssid; + UINT32 macmode; + int linkstatus; + int shortpreamble; /* C bool */ + + /* WEP State */ + UINT8 wep_keys[NUM_WEPKEYS][MAX_KEYLEN]; + UINT8 wep_keylens[NUM_WEPKEYS]; + int hostwep; + + /* Request/Confirm i/f state (used by p80211) */ + unsigned long request_pending; /* flag, access atomically */ + + /* netlink socket */ + /* queue for indications waiting for cmd completion */ + /* Linux netdevice and support */ + netdevice_t *netdev; /* ptr to linux netdevice */ + struct net_device_stats linux_stats; + +#ifdef CONFIG_PROC_FS + /* Procfs support */ + struct proc_dir_entry *procdir; + struct proc_dir_entry *procwlandev; +#endif + + /* Rx bottom half */ + struct tasklet_struct rx_bh; + + struct sk_buff_head nsd_rxq; + + /* 802.11 device statistics */ + struct p80211_frmrx_t rx; + +/* compatibility to wireless extensions */ +#ifdef WIRELESS_EXT + struct iw_statistics wstats; + + /* jkriegl: iwspy fields */ + UINT8 spy_number; + char spy_address[IW_MAX_SPY][ETH_ALEN]; + struct iw_quality spy_stat[IW_MAX_SPY]; + +#endif + +} wlandevice_t; + +/* WEP stuff */ +int wep_change_key(wlandevice_t *wlandev, int keynum, UINT8* key, int keylen); +int wep_decrypt(wlandevice_t *wlandev, UINT8 *buf, UINT32 len, int key_override, UINT8 *iv, UINT8 *icv); +int wep_encrypt(wlandevice_t *wlandev, UINT8 *buf, UINT8 *dst, UINT32 len, int keynum, UINT8 *iv, UINT8 *icv); + +/*================================================================*/ +/* Externs */ + +/*================================================================*/ +/* Function Declarations */ + +void p80211netdev_startup(void); +void p80211netdev_shutdown(void); +int wlan_setup(wlandevice_t *wlandev); +int wlan_unsetup(wlandevice_t *wlandev); +int register_wlandev(wlandevice_t *wlandev); +int unregister_wlandev(wlandevice_t *wlandev); +void p80211netdev_rx(wlandevice_t *wlandev, struct sk_buff *skb); +void p80211netdev_hwremoved(wlandevice_t *wlandev); +void p80211_suspend(wlandevice_t *wlandev); +void p80211_resume(wlandevice_t *wlandev); + +/*================================================================*/ +/* Function Definitions */ + +static inline void +p80211netdev_stop_queue(wlandevice_t *wlandev) +{ + if ( !wlandev ) return; + if ( !wlandev->netdev ) return; +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,3,38) ) + wlandev->netdev->tbusy = 1; + wlandev->netdev->start = 0; +#else + netif_stop_queue(wlandev->netdev); +#endif +} + +static inline void +p80211netdev_start_queue(wlandevice_t *wlandev) +{ + if ( !wlandev ) return; + if ( !wlandev->netdev ) return; +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,3,38) ) + wlandev->netdev->tbusy = 0; + wlandev->netdev->start = 1; +#else + netif_start_queue(wlandev->netdev); +#endif +} + +static inline void +p80211netdev_wake_queue(wlandevice_t *wlandev) +{ + if ( !wlandev ) return; + if ( !wlandev->netdev ) return; +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,3,38) ) + wlandev->netdev->tbusy = 0; + mark_bh(NET_BH); +#else + netif_wake_queue(wlandev->netdev); +#endif +} + +#ifdef CONFIG_HOTPLUG +#define WLAN_HOTPLUG_REGISTER "register" +#define WLAN_HOTPLUG_REMOVE "remove" +#define WLAN_HOTPLUG_STARTUP "startup" +#define WLAN_HOTPLUG_SHUTDOWN "shutdown" +#define WLAN_HOTPLUG_SUSPEND "suspend" +#define WLAN_HOTPLUG_RESUME "resume" +int p80211_run_sbin_hotplug(wlandevice_t *wlandev, char *action); +#endif + +#endif |