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- /* src/include/wlan/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
- #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;
- UINT 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) */
- 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
-