diff options
Diffstat (limited to 'drivers/net/wireless/wavelan_cs.p.h')
| -rw-r--r-- | drivers/net/wireless/wavelan_cs.p.h | 766 |
1 files changed, 0 insertions, 766 deletions
diff --git a/drivers/net/wireless/wavelan_cs.p.h b/drivers/net/wireless/wavelan_cs.p.h deleted file mode 100644 index 81d91531c4f9..000000000000 --- a/drivers/net/wireless/wavelan_cs.p.h +++ /dev/null @@ -1,766 +0,0 @@ -/* - * Wavelan Pcmcia driver - * - * Jean II - HPLB '96 - * - * Reorganisation and extension of the driver. - * - * This file contain all definition and declarations necessary for the - * wavelan pcmcia driver. This file is a private header, so it should - * be included only on wavelan_cs.c !!! - */ - -#ifndef WAVELAN_CS_P_H -#define WAVELAN_CS_P_H - -/************************** DOCUMENTATION **************************/ -/* - * This driver provide a Linux interface to the Wavelan Pcmcia hardware - * The Wavelan is a product of Lucent (http://www.wavelan.com/). - * This division was formerly part of NCR and then AT&T. - * Wavelan are also distributed by DEC (RoamAbout DS)... - * - * To know how to use this driver, read the PCMCIA HOWTO. - * If you want to exploit the many other fonctionalities, look comments - * in the code... - * - * This driver is the result of the effort of many peoples (see below). - */ - -/* ------------------------ SPECIFIC NOTES ------------------------ */ -/* - * Web page - * -------- - * I try to maintain a web page with the Wireless LAN Howto at : - * http://www.hpl.hp.com/personal/Jean_Tourrilhes/Linux/Wavelan.html - * - * SMP - * --- - * We now are SMP compliant (I eventually fixed the remaining bugs). - * The driver has been tested on a dual P6-150 and survived my usual - * set of torture tests. - * Anyway, I spent enough time chasing interrupt re-entrancy during - * errors or reconfigure, and I designed the locked/unlocked sections - * of the driver with great care, and with the recent addition of - * the spinlock (thanks to the new API), we should be quite close to - * the truth. - * The SMP/IRQ locking is quite coarse and conservative (i.e. not fast), - * but better safe than sorry (especially at 2 Mb/s ;-). - * - * I have also looked into disabling only our interrupt on the card - * (via HACR) instead of all interrupts in the processor (via cli), - * so that other driver are not impacted, and it look like it's - * possible, but it's very tricky to do right (full of races). As - * the gain would be mostly for SMP systems, it can wait... - * - * Debugging and options - * --------------------- - * You will find below a set of '#define" allowing a very fine control - * on the driver behaviour and the debug messages printed. - * The main options are : - * o WAVELAN_ROAMING, for the experimental roaming support. - * o SET_PSA_CRC, to have your card correctly recognised by - * an access point and the Point-to-Point diagnostic tool. - * o USE_PSA_CONFIG, to read configuration from the PSA (EEprom) - * (otherwise we always start afresh with some defaults) - * - * wavelan_cs.o is darn too big - * ------------------------- - * That's true ! There is a very simple way to reduce the driver - * object by 33% (yes !). Comment out the following line : - * #include <linux/wireless.h> - * Other compile options can also reduce the size of it... - * - * MAC address and hardware detection : - * ---------------------------------- - * The detection code of the wavelan chech that the first 3 - * octets of the MAC address fit the company code. This type of - * detection work well for AT&T cards (because the AT&T code is - * hardcoded in wavelan_cs.h), but of course will fail for other - * manufacturer. - * - * If you are sure that your card is derived from the wavelan, - * here is the way to configure it : - * 1) Get your MAC address - * a) With your card utilities (wfreqsel, instconf, ...) - * b) With the driver : - * o compile the kernel with DEBUG_CONFIG_INFO enabled - * o Boot and look the card messages - * 2) Set your MAC code (3 octets) in MAC_ADDRESSES[][3] (wavelan_cs.h) - * 3) Compile & verify - * 4) Send me the MAC code - I will include it in the next version... - * - */ - -/* --------------------- WIRELESS EXTENSIONS --------------------- */ -/* - * This driver is the first one to support "wireless extensions". - * This set of extensions provide you some way to control the wireless - * caracteristics of the hardware in a standard way and support for - * applications for taking advantage of it (like Mobile IP). - * - * It might be a good idea as well to fetch the wireless tools to - * configure the device and play a bit. - */ - -/* ---------------------------- FILES ---------------------------- */ -/* - * wavelan_cs.c : The actual code for the driver - C functions - * - * wavelan_cs.p.h : Private header : local types / vars for the driver - * - * wavelan_cs.h : Description of the hardware interface & structs - * - * i82593.h : Description if the Ethernet controller - */ - -/* --------------------------- HISTORY --------------------------- */ -/* - * The history of the Wavelan drivers is as complicated as history of - * the Wavelan itself (NCR -> AT&T -> Lucent). - * - * All started with Anders Klemets <klemets@paul.rutgers.edu>, - * writing a Wavelan ISA driver for the MACH microkernel. Girish - * Welling <welling@paul.rutgers.edu> had also worked on it. - * Keith Moore modify this for the Pcmcia hardware. - * - * Robert Morris <rtm@das.harvard.edu> port these two drivers to BSDI - * and add specific Pcmcia support (there is currently no equivalent - * of the PCMCIA package under BSD...). - * - * Jim Binkley <jrb@cs.pdx.edu> port both BSDI drivers to FreeBSD. - * - * Bruce Janson <bruce@cs.usyd.edu.au> port the BSDI ISA driver to Linux. - * - * Anthony D. Joseph <adj@lcs.mit.edu> started modify Bruce driver - * (with help of the BSDI PCMCIA driver) for PCMCIA. - * Yunzhou Li <yunzhou@strat.iol.unh.edu> finished is work. - * Joe Finney <joe@comp.lancs.ac.uk> patched the driver to start - * correctly 2.00 cards (2.4 GHz with frequency selection). - * David Hinds <dahinds@users.sourceforge.net> integrated the whole in his - * Pcmcia package (+ bug corrections). - * - * I (Jean Tourrilhes - jt@hplb.hpl.hp.com) then started to make some - * patchs to the Pcmcia driver. After, I added code in the ISA driver - * for Wireless Extensions and full support of frequency selection - * cards. Now, I'm doing the same to the Pcmcia driver + some - * reorganisation. - * Loeke Brederveld <lbrederv@wavelan.com> from Lucent has given me - * much needed informations on the Wavelan hardware. - */ - -/* By the way : for the copyright & legal stuff : - * Almost everybody wrote code under GNU or BSD license (or alike), - * and want that their original copyright remain somewhere in the - * code (for myself, I go with the GPL). - * Nobody want to take responsibility for anything, except the fame... - */ - -/* --------------------------- CREDITS --------------------------- */ -/* - * Credits: - * Special thanks to Jan Hoogendoorn of AT&T GIS Utrecht and - * Loeke Brederveld of Lucent for providing extremely useful - * information about WaveLAN PCMCIA hardware - * - * This driver is based upon several other drivers, in particular: - * David Hinds' Linux driver for the PCMCIA 3c589 ethernet adapter - * Bruce Janson's Linux driver for the AT-bus WaveLAN adapter - * Anders Klemets' PCMCIA WaveLAN adapter driver - * Robert Morris' BSDI driver for the PCMCIA WaveLAN adapter - * - * Additional Credits: - * - * This software was originally developed under Linux 1.2.3 - * (Slackware 2.0 distribution). - * And then under Linux 2.0.x (Debian 1.1 -> 2.2 - pcmcia 2.8.18+) - * with an HP OmniBook 4000 and then a 5500. - * - * It is based on other device drivers and information either written - * or supplied by: - * James Ashton (jaa101@syseng.anu.edu.au), - * Ajay Bakre (bakre@paul.rutgers.edu), - * Donald Becker (becker@super.org), - * Jim Binkley <jrb@cs.pdx.edu>, - * Loeke Brederveld <lbrederv@wavelan.com>, - * Allan Creighton (allanc@cs.su.oz.au), - * Brent Elphick <belphick@uwaterloo.ca>, - * Joe Finney <joe@comp.lancs.ac.uk>, - * Matthew Geier (matthew@cs.su.oz.au), - * Remo di Giovanni (remo@cs.su.oz.au), - * Mark Hagan (mhagan@wtcpost.daytonoh.NCR.COM), - * David Hinds <dahinds@users.sourceforge.net>, - * Jan Hoogendoorn (c/o marteijn@lucent.com), - * Bruce Janson <bruce@cs.usyd.edu.au>, - * Anthony D. Joseph <adj@lcs.mit.edu>, - * Anders Klemets (klemets@paul.rutgers.edu), - * Yunzhou Li <yunzhou@strat.iol.unh.edu>, - * Marc Meertens (mmeertens@lucent.com), - * Keith Moore, - * Robert Morris (rtm@das.harvard.edu), - * Ian Parkin (ian@cs.su.oz.au), - * John Rosenberg (johnr@cs.su.oz.au), - * George Rossi (george@phm.gov.au), - * Arthur Scott (arthur@cs.su.oz.au), - * Stanislav Sinyagin <stas@isf.ru> - * Peter Storey, - * Jean Tourrilhes <jt@hpl.hp.com>, - * Girish Welling (welling@paul.rutgers.edu) - * Clark Woodworth <clark@hiway1.exit109.com> - * Yongguang Zhang <ygz@isl.hrl.hac.com>... - */ - -/* ------------------------- IMPROVEMENTS ------------------------- */ -/* - * I proudly present : - * - * Changes made in 2.8.22 : - * ---------------------- - * - improved wv_set_multicast_list - * - catch spurious interrupt - * - correct release of the device - * - * Changes mades in release : - * ------------------------ - * - Reorganisation of the code, function name change - * - Creation of private header (wavelan_cs.h) - * - Reorganised debug messages - * - More comments, history, ... - * - Configure earlier (in "insert" instead of "open") - * and do things only once - * - mmc_init : configure the PSA if not done - * - mmc_init : 2.00 detection better code for 2.00 init - * - better info at startup - * - Correct a HUGE bug (volatile & uncalibrated busy loop) - * in wv_82593_cmd => config speedup - * - Stop receiving & power down on close (and power up on open) - * use "ifconfig down" & "ifconfig up ; route add -net ..." - * - Send packets : add watchdog instead of pooling - * - Receive : check frame wrap around & try to recover some frames - * - wavelan_set_multicast_list : avoid reset - * - add wireless extensions (ioctl & get_wireless_stats) - * get/set nwid/frequency on fly, info for /proc/net/wireless - * - Suppress useless stuff from lp (net_local), but add link - * - More inlines - * - Lot of others minor details & cleanups - * - * Changes made in second release : - * ------------------------------ - * - Optimise wv_85893_reconfig stuff, fix potential problems - * - Change error values for ioctl - * - Non blocking wv_ru_stop() + call wv_reset() in case of problems - * - Remove development printk from wavelan_watchdog() - * - Remove of the watchdog to wavelan_close instead of wavelan_release - * fix potential problems... - * - Start debugging suspend stuff (but it's still a bit weird) - * - Debug & optimize dump header/packet in Rx & Tx (debug) - * - Use "readb" and "writeb" to be kernel 2.1 compliant - * - Better handling of bogus interrupts - * - Wireless extension : SETSPY and GETSPY - * - Remove old stuff (stats - for those needing it, just ask me...) - * - Make wireless extensions optional - * - * Changes made in third release : - * ----------------------------- - * - cleanups & typos - * - modif wireless ext (spy -> only one pointer) - * - new private ioctl to set/get quality & level threshold - * - Init : correct default value of level threshold for pcmcia - * - kill watchdog in hw_reset - * - more 2.1 support (copy_to/from_user instead of memcpy_to/fromfs) - * - Add message level (debug stuff in /var/adm/debug & errors not - * displayed at console and still in /var/adm/messages) - * - * Changes made in fourth release : - * ------------------------------ - * - multicast support (yes !) thanks to Yongguang Zhang. - * - * Changes made in fifth release (2.9.0) : - * ------------------------------------- - * - Revisited multicast code (it was mostly wrong). - * - protect code in wv_82593_reconfig with dev->tbusy (oups !) - * - * Changes made in sixth release (2.9.1a) : - * -------------------------------------- - * - Change the detection code for multi manufacturer code support - * - Correct bug (hang kernel) in init when we were "rejecting" a card - * - * Changes made in seventh release (2.9.1b) : - * ---------------------------------------- - * - Update to wireless extensions changes - * - Silly bug in card initial configuration (psa_conf_status) - * - * Changes made in eigth release : - * ----------------------------- - * - Small bug in debug code (probably not the last one...) - * - 1.2.13 support (thanks to Clark Woodworth) - * - * Changes made for release in 2.9.2b : - * ---------------------------------- - * - Level threshold is now a standard wireless extension (version 4 !) - * - modules parameters types for kernel > 2.1.17 - * - updated man page - * - Others cleanup from David Hinds - * - * Changes made for release in 2.9.5 : - * --------------------------------- - * - byte count stats (courtesy of David Hinds) - * - Remove dev_tint stuff (courtesy of David Hinds) - * - Others cleanup from David Hinds - * - Encryption setting from Brent Elphick (thanks a lot !) - * - 'base' to 'u_long' for the Alpha (thanks to Stanislav Sinyagin) - * - * Changes made for release in 2.9.6 : - * --------------------------------- - * - fix bug : no longuer disable watchdog in case of bogus interrupt - * - increase timeout in config code for picky hardware - * - mask unused bits in status (Wireless Extensions) - * - * Changes integrated by Justin Seger <jseger@MIT.EDU> & David Hinds : - * ----------------------------------------------------------------- - * - Roaming "hack" from Joe Finney <joe@comp.lancs.ac.uk> - * - PSA CRC code from Bob Gray <rgray@bald.cs.dartmouth.edu> - * - Better initialisation of the i82593 controller - * from Joseph K. O'Sullivan <josullvn+@cs.cmu.edu> - * - * Changes made for release in 3.0.10 : - * ---------------------------------- - * - Fix eject "hang" of the driver under 2.2.X : - * o create wv_flush_stale_links() - * o Rename wavelan_release to wv_pcmcia_release & move up - * o move unregister_netdev to wavelan_detach() - * o wavelan_release() no longer call wavelan_detach() - * o Suppress "release" timer - * o Other cleanups & fixes - * - New MAC address in the probe - * - Reorg PSA_CRC code (endian neutral & cleaner) - * - Correct initialisation of the i82593 from Lucent manual - * - Put back the watchdog, with larger timeout - * - TRANSMIT_NO_CRC is a "normal" error, so recover from it - * from Derrick J Brashear <shadow@dementia.org> - * - Better handling of TX and RX normal failure conditions - * - #ifdef out all the roaming code - * - Add ESSID & "AP current address" ioctl stubs - * - General cleanup of the code - * - * Changes made for release in 3.0.13 : - * ---------------------------------- - * - Re-enable compilation of roaming code by default, but with - * do_roaming = 0 - * - Nuke `nwid=nwid^ntohs(beacon->domain_id)' in wl_roam_gather - * at the demand of John Carol Langford <jcl@gs176.sp.cs.cmu.edu> - * - Introduced WAVELAN_ROAMING_EXT for incomplete ESSID stuff. - * - * Changes made for release in 3.0.15 : - * ---------------------------------- - * - Change e-mail and web page addresses - * - Watchdog timer is now correctly expressed in HZ, not in jiffies - * - Add channel number to the list of frequencies in range - * - Add the (short) list of bit-rates in range - * - Developp a new sensitivity... (sens.value & sens.fixed) - * - * Changes made for release in 3.1.2 : - * --------------------------------- - * - Fix check for root permission (break instead of exit) - * - New nwid & encoding setting (Wireless Extension 9) - * - * Changes made for release in 3.1.12 : - * ---------------------------------- - * - reworked wv_82593_cmd to avoid using the IRQ handler and doing - * ugly things with interrupts. - * - Add IRQ protection in 82593_config/ru_start/ru_stop/watchdog - * - Update to new network API (softnet - 2.3.43) : - * o replace dev->tbusy (David + me) - * o replace dev->tstart (David + me) - * o remove dev->interrupt (David) - * o add SMP locking via spinlock in splxx (me) - * o add spinlock in interrupt handler (me) - * o use kernel watchdog instead of ours (me) - * o verify that all the changes make sense and work (me) - * - Re-sync kernel/pcmcia versions (not much actually) - * - A few other cleanups (David & me)... - * - * Changes made for release in 3.1.22 : - * ---------------------------------- - * - Check that SMP works, remove annoying log message - * - * Changes made for release in 3.1.24 : - * ---------------------------------- - * - Fix unfrequent card lockup when watchdog was reseting the hardware : - * o control first busy loop in wv_82593_cmd() - * o Extend spinlock protection in wv_hw_config() - * - * Changes made for release in 3.1.33 : - * ---------------------------------- - * - Optional use new driver API for Wireless Extensions : - * o got rid of wavelan_ioctl() - * o use a bunch of iw_handler instead - * - * Changes made for release in 3.2.1 : - * --------------------------------- - * - Set dev->trans_start to avoid filling the logs - * (and generating useless abort commands) - * - Avoid deadlocks in mmc_out()/mmc_in() - * - * Wishes & dreams: - * ---------------- - * - Cleanup and integrate the roaming code - * (std debug, set DomainID, decay avg and co...) - */ - -/***************************** INCLUDES *****************************/ - -/* Linux headers that we need */ -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/sched.h> -#include <linux/ptrace.h> -#include <linux/slab.h> -#include <linux/string.h> -#include <linux/timer.h> -#include <linux/interrupt.h> -#include <linux/spinlock.h> -#include <linux/in.h> -#include <linux/delay.h> -#include <linux/bitops.h> -#include <asm/uaccess.h> -#include <asm/io.h> -#include <asm/system.h> - -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/skbuff.h> -#include <linux/if_arp.h> -#include <linux/ioport.h> -#include <linux/fcntl.h> -#include <linux/ethtool.h> -#include <linux/wireless.h> /* Wireless extensions */ -#include <net/iw_handler.h> /* New driver API */ - -/* Pcmcia headers that we need */ -#include <pcmcia/cs_types.h> -#include <pcmcia/cs.h> -#include <pcmcia/cistpl.h> -#include <pcmcia/cisreg.h> -#include <pcmcia/ds.h> - -/* Wavelan declarations */ -#include "i82593.h" /* Definitions for the Intel chip */ - -#include "wavelan_cs.h" /* Others bits of the hardware */ - -/************************** DRIVER OPTIONS **************************/ -/* - * `#define' or `#undef' the following constant to change the behaviour - * of the driver... - */ -#define WAVELAN_ROAMING /* Include experimental roaming code */ -#undef WAVELAN_ROAMING_EXT /* Enable roaming wireless extensions */ -#undef SET_PSA_CRC /* Set the CRC in PSA (slower) */ -#define USE_PSA_CONFIG /* Use info from the PSA */ -#undef EEPROM_IS_PROTECTED /* Doesn't seem to be necessary */ -#define MULTICAST_AVOID /* Avoid extra multicast (I'm sceptical) */ -#undef SET_MAC_ADDRESS /* Experimental */ - -/* Warning : these stuff will slow down the driver... */ -#define WIRELESS_SPY /* Enable spying addresses */ -#undef HISTOGRAM /* Enable histogram of sig level... */ - -/****************************** DEBUG ******************************/ - -#undef DEBUG_MODULE_TRACE /* Module insertion/removal */ -#undef DEBUG_CALLBACK_TRACE /* Calls made by Linux */ -#undef DEBUG_INTERRUPT_TRACE /* Calls to handler */ -#undef DEBUG_INTERRUPT_INFO /* type of interrupt & so on */ -#define DEBUG_INTERRUPT_ERROR /* problems */ -#undef DEBUG_CONFIG_TRACE /* Trace the config functions */ -#undef DEBUG_CONFIG_INFO /* What's going on... */ -#define DEBUG_CONFIG_ERRORS /* Errors on configuration */ -#undef DEBUG_TX_TRACE /* Transmission calls */ -#undef DEBUG_TX_INFO /* Header of the transmitted packet */ -#undef DEBUG_TX_FAIL /* Normal failure conditions */ -#define DEBUG_TX_ERROR /* Unexpected conditions */ -#undef DEBUG_RX_TRACE /* Transmission calls */ -#undef DEBUG_RX_INFO /* Header of the transmitted packet */ -#undef DEBUG_RX_FAIL /* Normal failure conditions */ -#define DEBUG_RX_ERROR /* Unexpected conditions */ -#undef DEBUG_PACKET_DUMP /* Dump packet on the screen */ -#undef DEBUG_IOCTL_TRACE /* Misc call by Linux */ -#undef DEBUG_IOCTL_INFO /* Various debug info */ -#define DEBUG_IOCTL_ERROR /* What's going wrong */ -#define DEBUG_BASIC_SHOW /* Show basic startup info */ -#undef DEBUG_VERSION_SHOW /* Print version info */ -#undef DEBUG_PSA_SHOW /* Dump psa to screen */ -#undef DEBUG_MMC_SHOW /* Dump mmc to screen */ -#undef DEBUG_SHOW_UNUSED /* Show also unused fields */ -#undef DEBUG_I82593_SHOW /* Show i82593 status */ -#undef DEBUG_DEVICE_SHOW /* Show device parameters */ - -/************************ CONSTANTS & MACROS ************************/ - -#ifdef DEBUG_VERSION_SHOW -static const char *version = "wavelan_cs.c : v24 (SMP + wireless extensions) 11/1/02\n"; -#endif - -/* Watchdog temporisation */ -#define WATCHDOG_JIFFIES (256*HZ/100) - -/* Fix a bug in some old wireless extension definitions */ -#ifndef IW_ESSID_MAX_SIZE -#define IW_ESSID_MAX_SIZE 32 -#endif - -/* ------------------------ PRIVATE IOCTL ------------------------ */ - -#define SIOCSIPQTHR SIOCIWFIRSTPRIV /* Set quality threshold */ -#define SIOCGIPQTHR SIOCIWFIRSTPRIV + 1 /* Get quality threshold */ -#define SIOCSIPROAM SIOCIWFIRSTPRIV + 2 /* Set roaming state */ -#define SIOCGIPROAM SIOCIWFIRSTPRIV + 3 /* Get roaming state */ - -#define SIOCSIPHISTO SIOCIWFIRSTPRIV + 4 /* Set histogram ranges */ -#define SIOCGIPHISTO SIOCIWFIRSTPRIV + 5 /* Get histogram values */ - -/*************************** WaveLAN Roaming **************************/ -#ifdef WAVELAN_ROAMING /* Conditional compile, see above in options */ - -#define WAVELAN_ROAMING_DEBUG 0 /* 1 = Trace of handover decisions */ - /* 2 = Info on each beacon rcvd... */ -#define MAX_WAVEPOINTS 7 /* Max visible at one time */ -#define WAVEPOINT_HISTORY 5 /* SNR sample history slow search */ -#define WAVEPOINT_FAST_HISTORY 2 /* SNR sample history fast search */ -#define SEARCH_THRESH_LOW 10 /* SNR to enter cell search */ -#define SEARCH_THRESH_HIGH 13 /* SNR to leave cell search */ -#define WAVELAN_ROAMING_DELTA 1 /* Hysteresis value (+/- SNR) */ -#define CELL_TIMEOUT 2*HZ /* in jiffies */ - -#define FAST_CELL_SEARCH 1 /* Boolean values... */ -#define NWID_PROMISC 1 /* for code clarity. */ - -typedef struct wavepoint_beacon -{ - unsigned char dsap, /* Unused */ - ssap, /* Unused */ - ctrl, /* Unused */ - O,U,I, /* Unused */ - spec_id1, /* Unused */ - spec_id2, /* Unused */ - pdu_type, /* Unused */ - seq; /* WavePoint beacon sequence number */ - __be16 domain_id, /* WavePoint Domain ID */ - nwid; /* WavePoint NWID */ -} wavepoint_beacon; - -typedef struct wavepoint_history -{ - unsigned short nwid; /* WavePoint's NWID */ - int average_slow; /* SNR running average */ - int average_fast; /* SNR running average */ - unsigned char sigqual[WAVEPOINT_HISTORY]; /* Ringbuffer of recent SNR's */ - unsigned char qualptr; /* Index into ringbuffer */ - unsigned char last_seq; /* Last seq. no seen for WavePoint */ - struct wavepoint_history *next; /* Next WavePoint in table */ - struct wavepoint_history *prev; /* Previous WavePoint in table */ - unsigned long last_seen; /* Time of last beacon recvd, jiffies */ -} wavepoint_history; - -struct wavepoint_table -{ - wavepoint_history *head; /* Start of ringbuffer */ - int num_wavepoints; /* No. of WavePoints visible */ - unsigned char locked; /* Table lock */ -}; - -#endif /* WAVELAN_ROAMING */ - -/****************************** TYPES ******************************/ - -/* Shortcuts */ -typedef struct iw_statistics iw_stats; -typedef struct iw_quality iw_qual; -typedef struct iw_freq iw_freq; -typedef struct net_local net_local; -typedef struct timer_list timer_list; - -/* Basic types */ -typedef u_char mac_addr[WAVELAN_ADDR_SIZE]; /* Hardware address */ - -/* - * Static specific data for the interface. - * - * For each network interface, Linux keep data in two structure. "device" - * keep the generic data (same format for everybody) and "net_local" keep - * the additional specific data. - */ -struct net_local -{ - dev_node_t node; /* ???? What is this stuff ???? */ - struct net_device * dev; /* Reverse link... */ - spinlock_t spinlock; /* Serialize access to the hardware (SMP) */ - struct pcmcia_device * link; /* pcmcia structure */ - int nresets; /* Number of hw resets */ - u_char configured; /* If it is configured */ - u_char reconfig_82593; /* Need to reconfigure the controller */ - u_char promiscuous; /* Promiscuous mode */ - u_char allmulticast; /* All Multicast mode */ - int mc_count; /* Number of multicast addresses */ - - int stop; /* Current i82593 Stop Hit Register */ - int rfp; /* Last DMA machine receive pointer */ - int overrunning; /* Receiver overrun flag */ - - iw_stats wstats; /* Wireless specific stats */ - - struct iw_spy_data spy_data; - struct iw_public_data wireless_data; - -#ifdef HISTOGRAM - int his_number; /* Number of intervals */ - u_char his_range[16]; /* Boundaries of interval ]n-1; n] */ - u_long his_sum[16]; /* Sum in interval */ -#endif /* HISTOGRAM */ -#ifdef WAVELAN_ROAMING - u_long domain_id; /* Domain ID we lock on for roaming */ - int filter_domains; /* Check Domain ID of beacon found */ - struct wavepoint_table wavepoint_table; /* Table of visible WavePoints*/ - wavepoint_history * curr_point; /* Current wavepoint */ - int cell_search; /* Searching for new cell? */ - struct timer_list cell_timer; /* Garbage collection */ -#endif /* WAVELAN_ROAMING */ - void __iomem *mem; -}; - -/* ----------------- MODEM MANAGEMENT SUBROUTINES ----------------- */ -static inline u_char /* data */ - hasr_read(u_long); /* Read the host interface : base address */ -static void - hacr_write(u_long, /* Write to host interface : base address */ - u_char), /* data */ - hacr_write_slow(u_long, - u_char); -static void - psa_read(struct net_device *, /* Read the Parameter Storage Area */ - int, /* offset in PSA */ - u_char *, /* buffer to fill */ - int), /* size to read */ - psa_write(struct net_device *, /* Write to the PSA */ - int, /* Offset in psa */ - u_char *, /* Buffer in memory */ - int); /* Length of buffer */ -static void - mmc_out(u_long, /* Write 1 byte to the Modem Manag Control */ - u_short, - u_char), - mmc_write(u_long, /* Write n bytes to the MMC */ - u_char, - u_char *, - int); -static u_char /* Read 1 byte from the MMC */ - mmc_in(u_long, - u_short); -static void - mmc_read(u_long, /* Read n bytes from the MMC */ - u_char, - u_char *, - int), - fee_wait(u_long, /* Wait for frequency EEprom : base address */ - int, /* Base delay to wait for */ - int); /* Number of time to wait */ -static void - fee_read(u_long, /* Read the frequency EEprom : base address */ - u_short, /* destination offset */ - u_short *, /* data buffer */ - int); /* number of registers */ -/* ---------------------- I82593 SUBROUTINES ----------------------- */ -static int - wv_82593_cmd(struct net_device *, /* synchronously send a command to i82593 */ - char *, - int, - int); -static inline int - wv_diag(struct net_device *); /* Diagnostique the i82593 */ -static int - read_ringbuf(struct net_device *, /* Read a receive buffer */ - int, - char *, - int); -static void - wv_82593_reconfig(struct net_device *); /* Reconfigure the controller */ -/* ------------------- DEBUG & INFO SUBROUTINES ------------------- */ -static void - wv_init_info(struct net_device *); /* display startup info */ -/* ------------------- IOCTL, STATS & RECONFIG ------------------- */ -static iw_stats * - wavelan_get_wireless_stats(struct net_device *); -/* ----------------------- PACKET RECEPTION ----------------------- */ -static int - wv_start_of_frame(struct net_device *, /* Seek beggining of current frame */ - int, /* end of frame */ - int); /* start of buffer */ -static void - wv_packet_read(struct net_device *, /* Read a packet from a frame */ - int, - int), - wv_packet_rcv(struct net_device *); /* Read all packets waiting */ -/* --------------------- PACKET TRANSMISSION --------------------- */ -static void - wv_packet_write(struct net_device *, /* Write a packet to the Tx buffer */ - void *, - short); -static netdev_tx_t - wavelan_packet_xmit(struct sk_buff *, /* Send a packet */ - struct net_device *); -/* -------------------- HARDWARE CONFIGURATION -------------------- */ -static int - wv_mmc_init(struct net_device *); /* Initialize the modem */ -static int - wv_ru_stop(struct net_device *), /* Stop the i82593 receiver unit */ - wv_ru_start(struct net_device *); /* Start the i82593 receiver unit */ -static int - wv_82593_config(struct net_device *); /* Configure the i82593 */ -static int - wv_pcmcia_reset(struct net_device *); /* Reset the pcmcia interface */ -static int - wv_hw_config(struct net_device *); /* Reset & configure the whole hardware */ -static void - wv_hw_reset(struct net_device *); /* Same, + start receiver unit */ -static int - wv_pcmcia_config(struct pcmcia_device *); /* Configure the pcmcia interface */ -static void - wv_pcmcia_release(struct pcmcia_device *);/* Remove a device */ -/* ---------------------- INTERRUPT HANDLING ---------------------- */ -static irqreturn_t - wavelan_interrupt(int, /* Interrupt handler */ - void *); -static void - wavelan_watchdog(struct net_device *); /* Transmission watchdog */ -/* ------------------- CONFIGURATION CALLBACKS ------------------- */ -static int - wavelan_open(struct net_device *), /* Open the device */ - wavelan_close(struct net_device *); /* Close the device */ -static void - wavelan_detach(struct pcmcia_device *p_dev); /* Destroy a removed device */ - -/**************************** VARIABLES ****************************/ - -/* - * Parameters that can be set with 'insmod' - * The exact syntax is 'insmod wavelan_cs.o <var>=<value>' - */ - -/* Shared memory speed, in ns */ -static int mem_speed = 0; - -/* New module interface */ -module_param(mem_speed, int, 0); - -#ifdef WAVELAN_ROAMING /* Conditional compile, see above in options */ -/* Enable roaming mode ? No ! Please keep this to 0 */ -static int do_roaming = 0; -module_param(do_roaming, bool, 0); -#endif /* WAVELAN_ROAMING */ - -MODULE_LICENSE("GPL"); - -#endif /* WAVELAN_CS_P_H */ - |