![Jeff Garzik](/assets/img/avatar_default.png)
- Eliminate check for irq handler 'dev_id==NULL' where the condition never occurs. - Eliminate needless casts to/from void* Signed-off-by: Jeff Garzik <jeff@garzik.org>
2156 lines
58 KiB
C
2156 lines
58 KiB
C
/*
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* WL3501 Wireless LAN PCMCIA Card Driver for Linux
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* Written originally for Linux 2.0.30 by Fox Chen, mhchen@golf.ccl.itri.org.tw
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* Ported to 2.2, 2.4 & 2.5 by Arnaldo Carvalho de Melo <acme@conectiva.com.br>
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* Wireless extensions in 2.4 by Gustavo Niemeyer <niemeyer@conectiva.com>
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*
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* References used by Fox Chen while writing the original driver for 2.0.30:
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*
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* 1. WL24xx packet drivers (tooasm.asm)
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* 2. Access Point Firmware Interface Specification for IEEE 802.11 SUTRO
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* 3. IEEE 802.11
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* 4. Linux network driver (/usr/src/linux/drivers/net)
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* 5. ISA card driver - wl24.c
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* 6. Linux PCMCIA skeleton driver - skeleton.c
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* 7. Linux PCMCIA 3c589 network driver - 3c589_cs.c
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*
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* Tested with WL2400 firmware 1.2, Linux 2.0.30, and pcmcia-cs-2.9.12
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* 1. Performance: about 165 Kbytes/sec in TCP/IP with Ad-Hoc mode.
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* rsh 192.168.1.3 "dd if=/dev/zero bs=1k count=1000" > /dev/null
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* (Specification 2M bits/sec. is about 250 Kbytes/sec., but we must deduct
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* ETHER/IP/UDP/TCP header, and acknowledgement overhead)
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*
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* Tested with Planet AP in 2.4.17, 184 Kbytes/s in UDP in Infrastructure mode,
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* 173 Kbytes/s in TCP.
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*
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* Tested with Planet AP in 2.5.73-bk, 216 Kbytes/s in Infrastructure mode
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* with a SMP machine (dual pentium 100), using pktgen, 432 pps (pkt_size = 60)
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*/
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#undef REALLY_SLOW_IO /* most systems can safely undef this */
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#include <linux/delay.h>
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#include <linux/types.h>
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#include <linux/ethtool.h>
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#include <linux/init.h>
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#include <linux/interrupt.h>
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#include <linux/in.h>
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/fcntl.h>
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#include <linux/if_arp.h>
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#include <linux/ioport.h>
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#include <linux/netdevice.h>
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#include <linux/etherdevice.h>
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#include <linux/skbuff.h>
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#include <linux/slab.h>
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#include <linux/string.h>
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#include <linux/wireless.h>
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#include <net/iw_handler.h>
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#include <pcmcia/cs_types.h>
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#include <pcmcia/cs.h>
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#include <pcmcia/cistpl.h>
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#include <pcmcia/cisreg.h>
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#include <pcmcia/ds.h>
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#include <asm/io.h>
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#include <asm/uaccess.h>
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#include <asm/system.h>
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#include "wl3501.h"
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#ifndef __i386__
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#define slow_down_io()
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#endif
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/* For rough constant delay */
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#define WL3501_NOPLOOP(n) { int x = 0; while (x++ < n) slow_down_io(); }
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/*
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* All the PCMCIA modules use PCMCIA_DEBUG to control debugging. If you do not
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* define PCMCIA_DEBUG at all, all the debug code will be left out. If you
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* compile with PCMCIA_DEBUG=0, the debug code will be present but disabled --
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* but it can then be enabled for specific modules at load time with a
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* 'pc_debug=#' option to insmod.
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*/
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#define PCMCIA_DEBUG 0
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#ifdef PCMCIA_DEBUG
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static int pc_debug = PCMCIA_DEBUG;
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module_param(pc_debug, int, 0);
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#define dprintk(n, format, args...) \
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{ if (pc_debug > (n)) \
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printk(KERN_INFO "%s: " format "\n", __FUNCTION__ , ##args); }
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#else
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#define dprintk(n, format, args...)
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#endif
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#define wl3501_outb(a, b) { outb(a, b); slow_down_io(); }
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#define wl3501_outb_p(a, b) { outb_p(a, b); slow_down_io(); }
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#define wl3501_outsb(a, b, c) { outsb(a, b, c); slow_down_io(); }
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#define WL3501_RELEASE_TIMEOUT (25 * HZ)
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#define WL3501_MAX_ADHOC_TRIES 16
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#define WL3501_RESUME 0
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#define WL3501_SUSPEND 1
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/*
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* The event() function is this driver's Card Services event handler. It will
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* be called by Card Services when an appropriate card status event is
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* received. The config() and release() entry points are used to configure or
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* release a socket, in response to card insertion and ejection events. They
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* are invoked from the wl24 event handler.
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*/
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static int wl3501_config(struct pcmcia_device *link);
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static void wl3501_release(struct pcmcia_device *link);
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/*
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* The dev_info variable is the "key" that is used to match up this
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* device driver with appropriate cards, through the card configuration
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* database.
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*/
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static dev_info_t wl3501_dev_info = "wl3501_cs";
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static int wl3501_chan2freq[] = {
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[0] = 2412, [1] = 2417, [2] = 2422, [3] = 2427, [4] = 2432,
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[5] = 2437, [6] = 2442, [7] = 2447, [8] = 2452, [9] = 2457,
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[10] = 2462, [11] = 2467, [12] = 2472, [13] = 2477,
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};
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static const struct {
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int reg_domain;
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int min, max, deflt;
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} iw_channel_table[] = {
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{
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.reg_domain = IW_REG_DOMAIN_FCC,
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.min = 1,
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.max = 11,
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.deflt = 1,
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},
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{
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.reg_domain = IW_REG_DOMAIN_DOC,
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.min = 1,
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.max = 11,
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.deflt = 1,
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},
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{
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.reg_domain = IW_REG_DOMAIN_ETSI,
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.min = 1,
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.max = 13,
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.deflt = 1,
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},
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{
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.reg_domain = IW_REG_DOMAIN_SPAIN,
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.min = 10,
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.max = 11,
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.deflt = 10,
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},
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{
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.reg_domain = IW_REG_DOMAIN_FRANCE,
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.min = 10,
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.max = 13,
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.deflt = 10,
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},
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{
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.reg_domain = IW_REG_DOMAIN_MKK,
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.min = 14,
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.max = 14,
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.deflt = 14,
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},
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{
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.reg_domain = IW_REG_DOMAIN_MKK1,
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.min = 1,
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.max = 14,
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.deflt = 1,
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},
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{
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.reg_domain = IW_REG_DOMAIN_ISRAEL,
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.min = 3,
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.max = 9,
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.deflt = 9,
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},
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};
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/**
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* iw_valid_channel - validate channel in regulatory domain
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* @reg_comain - regulatory domain
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* @channel - channel to validate
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*
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* Returns 0 if invalid in the specified regulatory domain, non-zero if valid.
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*/
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static int iw_valid_channel(int reg_domain, int channel)
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{
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int i, rc = 0;
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for (i = 0; i < ARRAY_SIZE(iw_channel_table); i++)
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if (reg_domain == iw_channel_table[i].reg_domain) {
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rc = channel >= iw_channel_table[i].min &&
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channel <= iw_channel_table[i].max;
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break;
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}
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return rc;
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}
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/**
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* iw_default_channel - get default channel for a regulatory domain
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* @reg_comain - regulatory domain
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*
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* Returns the default channel for a regulatory domain
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*/
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static int iw_default_channel(int reg_domain)
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{
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int i, rc = 1;
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for (i = 0; i < ARRAY_SIZE(iw_channel_table); i++)
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if (reg_domain == iw_channel_table[i].reg_domain) {
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rc = iw_channel_table[i].deflt;
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break;
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}
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return rc;
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}
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static void iw_set_mgmt_info_element(enum iw_mgmt_info_element_ids id,
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struct iw_mgmt_info_element *el,
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void *value, int len)
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{
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el->id = id;
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el->len = len;
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memcpy(el->data, value, len);
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}
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static void iw_copy_mgmt_info_element(struct iw_mgmt_info_element *to,
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struct iw_mgmt_info_element *from)
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{
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iw_set_mgmt_info_element(from->id, to, from->data, from->len);
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}
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static inline void wl3501_switch_page(struct wl3501_card *this, u8 page)
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{
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wl3501_outb(page, this->base_addr + WL3501_NIC_BSS);
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}
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/*
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* Get Ethernet MAC addresss.
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*
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* WARNING: We switch to FPAGE0 and switc back again.
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* Making sure there is no other WL function beening called by ISR.
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*/
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static int wl3501_get_flash_mac_addr(struct wl3501_card *this)
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{
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int base_addr = this->base_addr;
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/* get MAC addr */
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wl3501_outb(WL3501_BSS_FPAGE3, base_addr + WL3501_NIC_BSS); /* BSS */
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wl3501_outb(0x00, base_addr + WL3501_NIC_LMAL); /* LMAL */
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wl3501_outb(0x40, base_addr + WL3501_NIC_LMAH); /* LMAH */
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/* wait for reading EEPROM */
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WL3501_NOPLOOP(100);
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this->mac_addr[0] = inb(base_addr + WL3501_NIC_IODPA);
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WL3501_NOPLOOP(100);
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this->mac_addr[1] = inb(base_addr + WL3501_NIC_IODPA);
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WL3501_NOPLOOP(100);
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this->mac_addr[2] = inb(base_addr + WL3501_NIC_IODPA);
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WL3501_NOPLOOP(100);
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this->mac_addr[3] = inb(base_addr + WL3501_NIC_IODPA);
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WL3501_NOPLOOP(100);
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this->mac_addr[4] = inb(base_addr + WL3501_NIC_IODPA);
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WL3501_NOPLOOP(100);
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this->mac_addr[5] = inb(base_addr + WL3501_NIC_IODPA);
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WL3501_NOPLOOP(100);
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this->reg_domain = inb(base_addr + WL3501_NIC_IODPA);
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WL3501_NOPLOOP(100);
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wl3501_outb(WL3501_BSS_FPAGE0, base_addr + WL3501_NIC_BSS);
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wl3501_outb(0x04, base_addr + WL3501_NIC_LMAL);
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wl3501_outb(0x40, base_addr + WL3501_NIC_LMAH);
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WL3501_NOPLOOP(100);
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this->version[0] = inb(base_addr + WL3501_NIC_IODPA);
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WL3501_NOPLOOP(100);
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this->version[1] = inb(base_addr + WL3501_NIC_IODPA);
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/* switch to SRAM Page 0 (for safety) */
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wl3501_switch_page(this, WL3501_BSS_SPAGE0);
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/* The MAC addr should be 00:60:... */
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return this->mac_addr[0] == 0x00 && this->mac_addr[1] == 0x60;
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}
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/**
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* wl3501_set_to_wla - Move 'size' bytes from PC to card
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* @dest: Card addressing space
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* @src: PC addressing space
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* @size: Bytes to move
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*
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* Move 'size' bytes from PC to card. (Shouldn't be interrupted)
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*/
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static void wl3501_set_to_wla(struct wl3501_card *this, u16 dest, void *src,
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int size)
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{
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/* switch to SRAM Page 0 */
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wl3501_switch_page(this, (dest & 0x8000) ? WL3501_BSS_SPAGE1 :
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WL3501_BSS_SPAGE0);
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/* set LMAL and LMAH */
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wl3501_outb(dest & 0xff, this->base_addr + WL3501_NIC_LMAL);
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wl3501_outb(((dest >> 8) & 0x7f), this->base_addr + WL3501_NIC_LMAH);
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/* rep out to Port A */
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wl3501_outsb(this->base_addr + WL3501_NIC_IODPA, src, size);
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}
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/**
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* wl3501_get_from_wla - Move 'size' bytes from card to PC
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* @src: Card addressing space
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* @dest: PC addressing space
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* @size: Bytes to move
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*
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* Move 'size' bytes from card to PC. (Shouldn't be interrupted)
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*/
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static void wl3501_get_from_wla(struct wl3501_card *this, u16 src, void *dest,
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int size)
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{
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/* switch to SRAM Page 0 */
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wl3501_switch_page(this, (src & 0x8000) ? WL3501_BSS_SPAGE1 :
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WL3501_BSS_SPAGE0);
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/* set LMAL and LMAH */
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wl3501_outb(src & 0xff, this->base_addr + WL3501_NIC_LMAL);
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wl3501_outb((src >> 8) & 0x7f, this->base_addr + WL3501_NIC_LMAH);
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/* rep get from Port A */
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insb(this->base_addr + WL3501_NIC_IODPA, dest, size);
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}
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/*
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* Get/Allocate a free Tx Data Buffer
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*
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* *--------------*-----------------*----------------------------------*
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* | PLCP | MAC Header | DST SRC Data ... |
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* | (24 bytes) | (30 bytes) | (6) (6) (Ethernet Row Data) |
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* *--------------*-----------------*----------------------------------*
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* \ \- IEEE 802.11 -/ \-------------- len --------------/
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* \-struct wl3501_80211_tx_hdr--/ \-------- Ethernet Frame -------/
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*
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* Return = Postion in Card
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*/
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static u16 wl3501_get_tx_buffer(struct wl3501_card *this, u16 len)
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{
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u16 next, blk_cnt = 0, zero = 0;
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u16 full_len = sizeof(struct wl3501_80211_tx_hdr) + len;
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u16 ret = 0;
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if (full_len > this->tx_buffer_cnt * 254)
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goto out;
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ret = this->tx_buffer_head;
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while (full_len) {
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if (full_len < 254)
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full_len = 0;
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else
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full_len -= 254;
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wl3501_get_from_wla(this, this->tx_buffer_head, &next,
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sizeof(next));
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if (!full_len)
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wl3501_set_to_wla(this, this->tx_buffer_head, &zero,
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sizeof(zero));
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this->tx_buffer_head = next;
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blk_cnt++;
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/* if buffer is not enough */
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if (!next && full_len) {
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this->tx_buffer_head = ret;
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ret = 0;
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goto out;
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}
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}
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this->tx_buffer_cnt -= blk_cnt;
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out:
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return ret;
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}
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/*
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* Free an allocated Tx Buffer. ptr must be correct position.
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*/
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static void wl3501_free_tx_buffer(struct wl3501_card *this, u16 ptr)
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{
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/* check if all space is not free */
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if (!this->tx_buffer_head)
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this->tx_buffer_head = ptr;
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else
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wl3501_set_to_wla(this, this->tx_buffer_tail,
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&ptr, sizeof(ptr));
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while (ptr) {
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u16 next;
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this->tx_buffer_cnt++;
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wl3501_get_from_wla(this, ptr, &next, sizeof(next));
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this->tx_buffer_tail = ptr;
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ptr = next;
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}
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}
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|
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static int wl3501_esbq_req_test(struct wl3501_card *this)
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{
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u8 tmp;
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wl3501_get_from_wla(this, this->esbq_req_head + 3, &tmp, sizeof(tmp));
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return tmp & 0x80;
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}
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|
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static void wl3501_esbq_req(struct wl3501_card *this, u16 *ptr)
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{
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u16 tmp = 0;
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wl3501_set_to_wla(this, this->esbq_req_head, ptr, 2);
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wl3501_set_to_wla(this, this->esbq_req_head + 2, &tmp, sizeof(tmp));
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this->esbq_req_head += 4;
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if (this->esbq_req_head >= this->esbq_req_end)
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this->esbq_req_head = this->esbq_req_start;
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}
|
|
|
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static int wl3501_esbq_exec(struct wl3501_card *this, void *sig, int sig_size)
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{
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int rc = -EIO;
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if (wl3501_esbq_req_test(this)) {
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u16 ptr = wl3501_get_tx_buffer(this, sig_size);
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if (ptr) {
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wl3501_set_to_wla(this, ptr, sig, sig_size);
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wl3501_esbq_req(this, &ptr);
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rc = 0;
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}
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}
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return rc;
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}
|
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|
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static int wl3501_get_mib_value(struct wl3501_card *this, u8 index,
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void *bf, int size)
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{
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struct wl3501_get_req sig = {
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.sig_id = WL3501_SIG_GET_REQ,
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.mib_attrib = index,
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};
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unsigned long flags;
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int rc = -EIO;
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|
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spin_lock_irqsave(&this->lock, flags);
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if (wl3501_esbq_req_test(this)) {
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u16 ptr = wl3501_get_tx_buffer(this, sizeof(sig));
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if (ptr) {
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wl3501_set_to_wla(this, ptr, &sig, sizeof(sig));
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wl3501_esbq_req(this, &ptr);
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this->sig_get_confirm.mib_status = 255;
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spin_unlock_irqrestore(&this->lock, flags);
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rc = wait_event_interruptible(this->wait,
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this->sig_get_confirm.mib_status != 255);
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if (!rc)
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memcpy(bf, this->sig_get_confirm.mib_value,
|
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size);
|
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goto out;
|
|
}
|
|
}
|
|
spin_unlock_irqrestore(&this->lock, flags);
|
|
out:
|
|
return rc;
|
|
}
|
|
|
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static int wl3501_pwr_mgmt(struct wl3501_card *this, int suspend)
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{
|
|
struct wl3501_pwr_mgmt_req sig = {
|
|
.sig_id = WL3501_SIG_PWR_MGMT_REQ,
|
|
.pwr_save = suspend,
|
|
.wake_up = !suspend,
|
|
.receive_dtims = 10,
|
|
};
|
|
unsigned long flags;
|
|
int rc = -EIO;
|
|
|
|
spin_lock_irqsave(&this->lock, flags);
|
|
if (wl3501_esbq_req_test(this)) {
|
|
u16 ptr = wl3501_get_tx_buffer(this, sizeof(sig));
|
|
if (ptr) {
|
|
wl3501_set_to_wla(this, ptr, &sig, sizeof(sig));
|
|
wl3501_esbq_req(this, &ptr);
|
|
this->sig_pwr_mgmt_confirm.status = 255;
|
|
spin_unlock_irqrestore(&this->lock, flags);
|
|
rc = wait_event_interruptible(this->wait,
|
|
this->sig_pwr_mgmt_confirm.status != 255);
|
|
printk(KERN_INFO "%s: %s status=%d\n", __FUNCTION__,
|
|
suspend ? "suspend" : "resume",
|
|
this->sig_pwr_mgmt_confirm.status);
|
|
goto out;
|
|
}
|
|
}
|
|
spin_unlock_irqrestore(&this->lock, flags);
|
|
out:
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
* wl3501_send_pkt - Send a packet.
|
|
* @this - card
|
|
*
|
|
* Send a packet.
|
|
*
|
|
* data = Ethernet raw frame. (e.g. data[0] - data[5] is Dest MAC Addr,
|
|
* data[6] - data[11] is Src MAC Addr)
|
|
* Ref: IEEE 802.11
|
|
*/
|
|
static int wl3501_send_pkt(struct wl3501_card *this, u8 *data, u16 len)
|
|
{
|
|
u16 bf, sig_bf, next, tmplen, pktlen;
|
|
struct wl3501_md_req sig = {
|
|
.sig_id = WL3501_SIG_MD_REQ,
|
|
};
|
|
u8 *pdata = (char *)data;
|
|
int rc = -EIO;
|
|
|
|
if (wl3501_esbq_req_test(this)) {
|
|
sig_bf = wl3501_get_tx_buffer(this, sizeof(sig));
|
|
rc = -ENOMEM;
|
|
if (!sig_bf) /* No free buffer available */
|
|
goto out;
|
|
bf = wl3501_get_tx_buffer(this, len + 26 + 24);
|
|
if (!bf) {
|
|
/* No free buffer available */
|
|
wl3501_free_tx_buffer(this, sig_bf);
|
|
goto out;
|
|
}
|
|
rc = 0;
|
|
memcpy(&sig.daddr[0], pdata, 12);
|
|
pktlen = len - 12;
|
|
pdata += 12;
|
|
sig.data = bf;
|
|
if (((*pdata) * 256 + (*(pdata + 1))) > 1500) {
|
|
u8 addr4[ETH_ALEN] = {
|
|
[0] = 0xAA, [1] = 0xAA, [2] = 0x03, [4] = 0x00,
|
|
};
|
|
|
|
wl3501_set_to_wla(this, bf + 2 +
|
|
offsetof(struct wl3501_tx_hdr, addr4),
|
|
addr4, sizeof(addr4));
|
|
sig.size = pktlen + 24 + 4 + 6;
|
|
if (pktlen > (254 - sizeof(struct wl3501_tx_hdr))) {
|
|
tmplen = 254 - sizeof(struct wl3501_tx_hdr);
|
|
pktlen -= tmplen;
|
|
} else {
|
|
tmplen = pktlen;
|
|
pktlen = 0;
|
|
}
|
|
wl3501_set_to_wla(this,
|
|
bf + 2 + sizeof(struct wl3501_tx_hdr),
|
|
pdata, tmplen);
|
|
pdata += tmplen;
|
|
wl3501_get_from_wla(this, bf, &next, sizeof(next));
|
|
bf = next;
|
|
} else {
|
|
sig.size = pktlen + 24 + 4 - 2;
|
|
pdata += 2;
|
|
pktlen -= 2;
|
|
if (pktlen > (254 - sizeof(struct wl3501_tx_hdr) + 6)) {
|
|
tmplen = 254 - sizeof(struct wl3501_tx_hdr) + 6;
|
|
pktlen -= tmplen;
|
|
} else {
|
|
tmplen = pktlen;
|
|
pktlen = 0;
|
|
}
|
|
wl3501_set_to_wla(this, bf + 2 +
|
|
offsetof(struct wl3501_tx_hdr, addr4),
|
|
pdata, tmplen);
|
|
pdata += tmplen;
|
|
wl3501_get_from_wla(this, bf, &next, sizeof(next));
|
|
bf = next;
|
|
}
|
|
while (pktlen > 0) {
|
|
if (pktlen > 254) {
|
|
tmplen = 254;
|
|
pktlen -= 254;
|
|
} else {
|
|
tmplen = pktlen;
|
|
pktlen = 0;
|
|
}
|
|
wl3501_set_to_wla(this, bf + 2, pdata, tmplen);
|
|
pdata += tmplen;
|
|
wl3501_get_from_wla(this, bf, &next, sizeof(next));
|
|
bf = next;
|
|
}
|
|
wl3501_set_to_wla(this, sig_bf, &sig, sizeof(sig));
|
|
wl3501_esbq_req(this, &sig_bf);
|
|
}
|
|
out:
|
|
return rc;
|
|
}
|
|
|
|
static int wl3501_mgmt_resync(struct wl3501_card *this)
|
|
{
|
|
struct wl3501_resync_req sig = {
|
|
.sig_id = WL3501_SIG_RESYNC_REQ,
|
|
};
|
|
|
|
return wl3501_esbq_exec(this, &sig, sizeof(sig));
|
|
}
|
|
|
|
static inline int wl3501_fw_bss_type(struct wl3501_card *this)
|
|
{
|
|
return this->net_type == IW_MODE_INFRA ? WL3501_NET_TYPE_INFRA :
|
|
WL3501_NET_TYPE_ADHOC;
|
|
}
|
|
|
|
static inline int wl3501_fw_cap_info(struct wl3501_card *this)
|
|
{
|
|
return this->net_type == IW_MODE_INFRA ? WL3501_MGMT_CAPABILITY_ESS :
|
|
WL3501_MGMT_CAPABILITY_IBSS;
|
|
}
|
|
|
|
static int wl3501_mgmt_scan(struct wl3501_card *this, u16 chan_time)
|
|
{
|
|
struct wl3501_scan_req sig = {
|
|
.sig_id = WL3501_SIG_SCAN_REQ,
|
|
.scan_type = WL3501_SCAN_TYPE_ACTIVE,
|
|
.probe_delay = 0x10,
|
|
.min_chan_time = chan_time,
|
|
.max_chan_time = chan_time,
|
|
.bss_type = wl3501_fw_bss_type(this),
|
|
};
|
|
|
|
this->bss_cnt = this->join_sta_bss = 0;
|
|
return wl3501_esbq_exec(this, &sig, sizeof(sig));
|
|
}
|
|
|
|
static int wl3501_mgmt_join(struct wl3501_card *this, u16 stas)
|
|
{
|
|
struct wl3501_join_req sig = {
|
|
.sig_id = WL3501_SIG_JOIN_REQ,
|
|
.timeout = 10,
|
|
.ds_pset = {
|
|
.el = {
|
|
.id = IW_MGMT_INFO_ELEMENT_DS_PARAMETER_SET,
|
|
.len = 1,
|
|
},
|
|
.chan = this->chan,
|
|
},
|
|
};
|
|
|
|
memcpy(&sig.beacon_period, &this->bss_set[stas].beacon_period, 72);
|
|
return wl3501_esbq_exec(this, &sig, sizeof(sig));
|
|
}
|
|
|
|
static int wl3501_mgmt_start(struct wl3501_card *this)
|
|
{
|
|
struct wl3501_start_req sig = {
|
|
.sig_id = WL3501_SIG_START_REQ,
|
|
.beacon_period = 400,
|
|
.dtim_period = 1,
|
|
.ds_pset = {
|
|
.el = {
|
|
.id = IW_MGMT_INFO_ELEMENT_DS_PARAMETER_SET,
|
|
.len = 1,
|
|
},
|
|
.chan = this->chan,
|
|
},
|
|
.bss_basic_rset = {
|
|
.el = {
|
|
.id = IW_MGMT_INFO_ELEMENT_SUPPORTED_RATES,
|
|
.len = 2,
|
|
},
|
|
.data_rate_labels = {
|
|
[0] = IW_MGMT_RATE_LABEL_MANDATORY |
|
|
IW_MGMT_RATE_LABEL_1MBIT,
|
|
[1] = IW_MGMT_RATE_LABEL_MANDATORY |
|
|
IW_MGMT_RATE_LABEL_2MBIT,
|
|
},
|
|
},
|
|
.operational_rset = {
|
|
.el = {
|
|
.id = IW_MGMT_INFO_ELEMENT_SUPPORTED_RATES,
|
|
.len = 2,
|
|
},
|
|
.data_rate_labels = {
|
|
[0] = IW_MGMT_RATE_LABEL_MANDATORY |
|
|
IW_MGMT_RATE_LABEL_1MBIT,
|
|
[1] = IW_MGMT_RATE_LABEL_MANDATORY |
|
|
IW_MGMT_RATE_LABEL_2MBIT,
|
|
},
|
|
},
|
|
.ibss_pset = {
|
|
.el = {
|
|
.id = IW_MGMT_INFO_ELEMENT_IBSS_PARAMETER_SET,
|
|
.len = 2,
|
|
},
|
|
.atim_window = 10,
|
|
},
|
|
.bss_type = wl3501_fw_bss_type(this),
|
|
.cap_info = wl3501_fw_cap_info(this),
|
|
};
|
|
|
|
iw_copy_mgmt_info_element(&sig.ssid.el, &this->essid.el);
|
|
iw_copy_mgmt_info_element(&this->keep_essid.el, &this->essid.el);
|
|
return wl3501_esbq_exec(this, &sig, sizeof(sig));
|
|
}
|
|
|
|
static void wl3501_mgmt_scan_confirm(struct wl3501_card *this, u16 addr)
|
|
{
|
|
u16 i = 0;
|
|
int matchflag = 0;
|
|
struct wl3501_scan_confirm sig;
|
|
|
|
dprintk(3, "entry");
|
|
wl3501_get_from_wla(this, addr, &sig, sizeof(sig));
|
|
if (sig.status == WL3501_STATUS_SUCCESS) {
|
|
dprintk(3, "success");
|
|
if ((this->net_type == IW_MODE_INFRA &&
|
|
(sig.cap_info & WL3501_MGMT_CAPABILITY_ESS)) ||
|
|
(this->net_type == IW_MODE_ADHOC &&
|
|
(sig.cap_info & WL3501_MGMT_CAPABILITY_IBSS)) ||
|
|
this->net_type == IW_MODE_AUTO) {
|
|
if (!this->essid.el.len)
|
|
matchflag = 1;
|
|
else if (this->essid.el.len == 3 &&
|
|
!memcmp(this->essid.essid, "ANY", 3))
|
|
matchflag = 1;
|
|
else if (this->essid.el.len != sig.ssid.el.len)
|
|
matchflag = 0;
|
|
else if (memcmp(this->essid.essid, sig.ssid.essid,
|
|
this->essid.el.len))
|
|
matchflag = 0;
|
|
else
|
|
matchflag = 1;
|
|
if (matchflag) {
|
|
for (i = 0; i < this->bss_cnt; i++) {
|
|
if (!memcmp(this->bss_set[i].bssid,
|
|
sig.bssid, ETH_ALEN)) {
|
|
matchflag = 0;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (matchflag && (i < 20)) {
|
|
memcpy(&this->bss_set[i].beacon_period,
|
|
&sig.beacon_period, 73);
|
|
this->bss_cnt++;
|
|
this->rssi = sig.rssi;
|
|
}
|
|
}
|
|
} else if (sig.status == WL3501_STATUS_TIMEOUT) {
|
|
dprintk(3, "timeout");
|
|
this->join_sta_bss = 0;
|
|
for (i = this->join_sta_bss; i < this->bss_cnt; i++)
|
|
if (!wl3501_mgmt_join(this, i))
|
|
break;
|
|
this->join_sta_bss = i;
|
|
if (this->join_sta_bss == this->bss_cnt) {
|
|
if (this->net_type == IW_MODE_INFRA)
|
|
wl3501_mgmt_scan(this, 100);
|
|
else {
|
|
this->adhoc_times++;
|
|
if (this->adhoc_times > WL3501_MAX_ADHOC_TRIES)
|
|
wl3501_mgmt_start(this);
|
|
else
|
|
wl3501_mgmt_scan(this, 100);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* wl3501_block_interrupt - Mask interrupt from SUTRO
|
|
* @this - card
|
|
*
|
|
* Mask interrupt from SUTRO. (i.e. SUTRO cannot interrupt the HOST)
|
|
* Return: 1 if interrupt is originally enabled
|
|
*/
|
|
static int wl3501_block_interrupt(struct wl3501_card *this)
|
|
{
|
|
u8 old = inb(this->base_addr + WL3501_NIC_GCR);
|
|
u8 new = old & (~(WL3501_GCR_ECINT | WL3501_GCR_INT2EC |
|
|
WL3501_GCR_ENECINT));
|
|
|
|
wl3501_outb(new, this->base_addr + WL3501_NIC_GCR);
|
|
return old & WL3501_GCR_ENECINT;
|
|
}
|
|
|
|
/**
|
|
* wl3501_unblock_interrupt - Enable interrupt from SUTRO
|
|
* @this - card
|
|
*
|
|
* Enable interrupt from SUTRO. (i.e. SUTRO can interrupt the HOST)
|
|
* Return: 1 if interrupt is originally enabled
|
|
*/
|
|
static int wl3501_unblock_interrupt(struct wl3501_card *this)
|
|
{
|
|
u8 old = inb(this->base_addr + WL3501_NIC_GCR);
|
|
u8 new = (old & ~(WL3501_GCR_ECINT | WL3501_GCR_INT2EC)) |
|
|
WL3501_GCR_ENECINT;
|
|
|
|
wl3501_outb(new, this->base_addr + WL3501_NIC_GCR);
|
|
return old & WL3501_GCR_ENECINT;
|
|
}
|
|
|
|
/**
|
|
* wl3501_receive - Receive data from Receive Queue.
|
|
*
|
|
* Receive data from Receive Queue.
|
|
*
|
|
* @this: card
|
|
* @bf: address of host
|
|
* @size: size of buffer.
|
|
*/
|
|
static u16 wl3501_receive(struct wl3501_card *this, u8 *bf, u16 size)
|
|
{
|
|
u16 next_addr, next_addr1;
|
|
u8 *data = bf + 12;
|
|
|
|
size -= 12;
|
|
wl3501_get_from_wla(this, this->start_seg + 2,
|
|
&next_addr, sizeof(next_addr));
|
|
if (size > WL3501_BLKSZ - sizeof(struct wl3501_rx_hdr)) {
|
|
wl3501_get_from_wla(this,
|
|
this->start_seg +
|
|
sizeof(struct wl3501_rx_hdr), data,
|
|
WL3501_BLKSZ -
|
|
sizeof(struct wl3501_rx_hdr));
|
|
size -= WL3501_BLKSZ - sizeof(struct wl3501_rx_hdr);
|
|
data += WL3501_BLKSZ - sizeof(struct wl3501_rx_hdr);
|
|
} else {
|
|
wl3501_get_from_wla(this,
|
|
this->start_seg +
|
|
sizeof(struct wl3501_rx_hdr),
|
|
data, size);
|
|
size = 0;
|
|
}
|
|
while (size > 0) {
|
|
if (size > WL3501_BLKSZ - 5) {
|
|
wl3501_get_from_wla(this, next_addr + 5, data,
|
|
WL3501_BLKSZ - 5);
|
|
size -= WL3501_BLKSZ - 5;
|
|
data += WL3501_BLKSZ - 5;
|
|
wl3501_get_from_wla(this, next_addr + 2, &next_addr1,
|
|
sizeof(next_addr1));
|
|
next_addr = next_addr1;
|
|
} else {
|
|
wl3501_get_from_wla(this, next_addr + 5, data, size);
|
|
size = 0;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void wl3501_esbq_req_free(struct wl3501_card *this)
|
|
{
|
|
u8 tmp;
|
|
u16 addr;
|
|
|
|
if (this->esbq_req_head == this->esbq_req_tail)
|
|
goto out;
|
|
wl3501_get_from_wla(this, this->esbq_req_tail + 3, &tmp, sizeof(tmp));
|
|
if (!(tmp & 0x80))
|
|
goto out;
|
|
wl3501_get_from_wla(this, this->esbq_req_tail, &addr, sizeof(addr));
|
|
wl3501_free_tx_buffer(this, addr);
|
|
this->esbq_req_tail += 4;
|
|
if (this->esbq_req_tail >= this->esbq_req_end)
|
|
this->esbq_req_tail = this->esbq_req_start;
|
|
out:
|
|
return;
|
|
}
|
|
|
|
static int wl3501_esbq_confirm(struct wl3501_card *this)
|
|
{
|
|
u8 tmp;
|
|
|
|
wl3501_get_from_wla(this, this->esbq_confirm + 3, &tmp, sizeof(tmp));
|
|
return tmp & 0x80;
|
|
}
|
|
|
|
static void wl3501_online(struct net_device *dev)
|
|
{
|
|
struct wl3501_card *this = dev->priv;
|
|
|
|
printk(KERN_INFO "%s: Wireless LAN online. BSSID: "
|
|
"%02X %02X %02X %02X %02X %02X\n", dev->name,
|
|
this->bssid[0], this->bssid[1], this->bssid[2],
|
|
this->bssid[3], this->bssid[4], this->bssid[5]);
|
|
netif_wake_queue(dev);
|
|
}
|
|
|
|
static void wl3501_esbq_confirm_done(struct wl3501_card *this)
|
|
{
|
|
u8 tmp = 0;
|
|
|
|
wl3501_set_to_wla(this, this->esbq_confirm + 3, &tmp, sizeof(tmp));
|
|
this->esbq_confirm += 4;
|
|
if (this->esbq_confirm >= this->esbq_confirm_end)
|
|
this->esbq_confirm = this->esbq_confirm_start;
|
|
}
|
|
|
|
static int wl3501_mgmt_auth(struct wl3501_card *this)
|
|
{
|
|
struct wl3501_auth_req sig = {
|
|
.sig_id = WL3501_SIG_AUTH_REQ,
|
|
.type = WL3501_SYS_TYPE_OPEN,
|
|
.timeout = 1000,
|
|
};
|
|
|
|
dprintk(3, "entry");
|
|
memcpy(sig.mac_addr, this->bssid, ETH_ALEN);
|
|
return wl3501_esbq_exec(this, &sig, sizeof(sig));
|
|
}
|
|
|
|
static int wl3501_mgmt_association(struct wl3501_card *this)
|
|
{
|
|
struct wl3501_assoc_req sig = {
|
|
.sig_id = WL3501_SIG_ASSOC_REQ,
|
|
.timeout = 1000,
|
|
.listen_interval = 5,
|
|
.cap_info = this->cap_info,
|
|
};
|
|
|
|
dprintk(3, "entry");
|
|
memcpy(sig.mac_addr, this->bssid, ETH_ALEN);
|
|
return wl3501_esbq_exec(this, &sig, sizeof(sig));
|
|
}
|
|
|
|
static void wl3501_mgmt_join_confirm(struct net_device *dev, u16 addr)
|
|
{
|
|
struct wl3501_card *this = dev->priv;
|
|
struct wl3501_join_confirm sig;
|
|
|
|
dprintk(3, "entry");
|
|
wl3501_get_from_wla(this, addr, &sig, sizeof(sig));
|
|
if (sig.status == WL3501_STATUS_SUCCESS) {
|
|
if (this->net_type == IW_MODE_INFRA) {
|
|
if (this->join_sta_bss < this->bss_cnt) {
|
|
const int i = this->join_sta_bss;
|
|
memcpy(this->bssid,
|
|
this->bss_set[i].bssid, ETH_ALEN);
|
|
this->chan = this->bss_set[i].ds_pset.chan;
|
|
iw_copy_mgmt_info_element(&this->keep_essid.el,
|
|
&this->bss_set[i].ssid.el);
|
|
wl3501_mgmt_auth(this);
|
|
}
|
|
} else {
|
|
const int i = this->join_sta_bss;
|
|
|
|
memcpy(&this->bssid, &this->bss_set[i].bssid, ETH_ALEN);
|
|
this->chan = this->bss_set[i].ds_pset.chan;
|
|
iw_copy_mgmt_info_element(&this->keep_essid.el,
|
|
&this->bss_set[i].ssid.el);
|
|
wl3501_online(dev);
|
|
}
|
|
} else {
|
|
int i;
|
|
this->join_sta_bss++;
|
|
for (i = this->join_sta_bss; i < this->bss_cnt; i++)
|
|
if (!wl3501_mgmt_join(this, i))
|
|
break;
|
|
this->join_sta_bss = i;
|
|
if (this->join_sta_bss == this->bss_cnt) {
|
|
if (this->net_type == IW_MODE_INFRA)
|
|
wl3501_mgmt_scan(this, 100);
|
|
else {
|
|
this->adhoc_times++;
|
|
if (this->adhoc_times > WL3501_MAX_ADHOC_TRIES)
|
|
wl3501_mgmt_start(this);
|
|
else
|
|
wl3501_mgmt_scan(this, 100);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static inline void wl3501_alarm_interrupt(struct net_device *dev,
|
|
struct wl3501_card *this)
|
|
{
|
|
if (this->net_type == IW_MODE_INFRA) {
|
|
printk(KERN_INFO "Wireless LAN offline\n");
|
|
netif_stop_queue(dev);
|
|
wl3501_mgmt_resync(this);
|
|
}
|
|
}
|
|
|
|
static inline void wl3501_md_confirm_interrupt(struct net_device *dev,
|
|
struct wl3501_card *this,
|
|
u16 addr)
|
|
{
|
|
struct wl3501_md_confirm sig;
|
|
|
|
dprintk(3, "entry");
|
|
wl3501_get_from_wla(this, addr, &sig, sizeof(sig));
|
|
wl3501_free_tx_buffer(this, sig.data);
|
|
if (netif_queue_stopped(dev))
|
|
netif_wake_queue(dev);
|
|
}
|
|
|
|
static inline void wl3501_md_ind_interrupt(struct net_device *dev,
|
|
struct wl3501_card *this, u16 addr)
|
|
{
|
|
struct wl3501_md_ind sig;
|
|
struct sk_buff *skb;
|
|
u8 rssi, addr4[ETH_ALEN];
|
|
u16 pkt_len;
|
|
|
|
wl3501_get_from_wla(this, addr, &sig, sizeof(sig));
|
|
this->start_seg = sig.data;
|
|
wl3501_get_from_wla(this,
|
|
sig.data + offsetof(struct wl3501_rx_hdr, rssi),
|
|
&rssi, sizeof(rssi));
|
|
this->rssi = rssi <= 63 ? (rssi * 100) / 64 : 255;
|
|
|
|
wl3501_get_from_wla(this,
|
|
sig.data +
|
|
offsetof(struct wl3501_rx_hdr, addr4),
|
|
&addr4, sizeof(addr4));
|
|
if (!(addr4[0] == 0xAA && addr4[1] == 0xAA &&
|
|
addr4[2] == 0x03 && addr4[4] == 0x00)) {
|
|
printk(KERN_INFO "Insupported packet type!\n");
|
|
return;
|
|
}
|
|
pkt_len = sig.size + 12 - 24 - 4 - 6;
|
|
|
|
skb = dev_alloc_skb(pkt_len + 5);
|
|
|
|
if (!skb) {
|
|
printk(KERN_WARNING "%s: Can't alloc a sk_buff of size %d.\n",
|
|
dev->name, pkt_len);
|
|
this->stats.rx_dropped++;
|
|
} else {
|
|
skb->dev = dev;
|
|
skb_reserve(skb, 2); /* IP headers on 16 bytes boundaries */
|
|
eth_copy_and_sum(skb, (unsigned char *)&sig.daddr, 12, 0);
|
|
wl3501_receive(this, skb->data, pkt_len);
|
|
skb_put(skb, pkt_len);
|
|
skb->protocol = eth_type_trans(skb, dev);
|
|
dev->last_rx = jiffies;
|
|
this->stats.rx_packets++;
|
|
this->stats.rx_bytes += skb->len;
|
|
netif_rx(skb);
|
|
}
|
|
}
|
|
|
|
static inline void wl3501_get_confirm_interrupt(struct wl3501_card *this,
|
|
u16 addr, void *sig, int size)
|
|
{
|
|
dprintk(3, "entry");
|
|
wl3501_get_from_wla(this, addr, &this->sig_get_confirm,
|
|
sizeof(this->sig_get_confirm));
|
|
wake_up(&this->wait);
|
|
}
|
|
|
|
static inline void wl3501_start_confirm_interrupt(struct net_device *dev,
|
|
struct wl3501_card *this,
|
|
u16 addr)
|
|
{
|
|
struct wl3501_start_confirm sig;
|
|
|
|
dprintk(3, "entry");
|
|
wl3501_get_from_wla(this, addr, &sig, sizeof(sig));
|
|
if (sig.status == WL3501_STATUS_SUCCESS)
|
|
netif_wake_queue(dev);
|
|
}
|
|
|
|
static inline void wl3501_assoc_confirm_interrupt(struct net_device *dev,
|
|
u16 addr)
|
|
{
|
|
struct wl3501_card *this = dev->priv;
|
|
struct wl3501_assoc_confirm sig;
|
|
|
|
dprintk(3, "entry");
|
|
wl3501_get_from_wla(this, addr, &sig, sizeof(sig));
|
|
|
|
if (sig.status == WL3501_STATUS_SUCCESS)
|
|
wl3501_online(dev);
|
|
}
|
|
|
|
static inline void wl3501_auth_confirm_interrupt(struct wl3501_card *this,
|
|
u16 addr)
|
|
{
|
|
struct wl3501_auth_confirm sig;
|
|
|
|
dprintk(3, "entry");
|
|
wl3501_get_from_wla(this, addr, &sig, sizeof(sig));
|
|
|
|
if (sig.status == WL3501_STATUS_SUCCESS)
|
|
wl3501_mgmt_association(this);
|
|
else
|
|
wl3501_mgmt_resync(this);
|
|
}
|
|
|
|
static inline void wl3501_rx_interrupt(struct net_device *dev)
|
|
{
|
|
int morepkts;
|
|
u16 addr;
|
|
u8 sig_id;
|
|
struct wl3501_card *this = dev->priv;
|
|
|
|
dprintk(3, "entry");
|
|
loop:
|
|
morepkts = 0;
|
|
if (!wl3501_esbq_confirm(this))
|
|
goto free;
|
|
wl3501_get_from_wla(this, this->esbq_confirm, &addr, sizeof(addr));
|
|
wl3501_get_from_wla(this, addr + 2, &sig_id, sizeof(sig_id));
|
|
|
|
switch (sig_id) {
|
|
case WL3501_SIG_DEAUTH_IND:
|
|
case WL3501_SIG_DISASSOC_IND:
|
|
case WL3501_SIG_ALARM:
|
|
wl3501_alarm_interrupt(dev, this);
|
|
break;
|
|
case WL3501_SIG_MD_CONFIRM:
|
|
wl3501_md_confirm_interrupt(dev, this, addr);
|
|
break;
|
|
case WL3501_SIG_MD_IND:
|
|
wl3501_md_ind_interrupt(dev, this, addr);
|
|
break;
|
|
case WL3501_SIG_GET_CONFIRM:
|
|
wl3501_get_confirm_interrupt(this, addr,
|
|
&this->sig_get_confirm,
|
|
sizeof(this->sig_get_confirm));
|
|
break;
|
|
case WL3501_SIG_PWR_MGMT_CONFIRM:
|
|
wl3501_get_confirm_interrupt(this, addr,
|
|
&this->sig_pwr_mgmt_confirm,
|
|
sizeof(this->sig_pwr_mgmt_confirm));
|
|
break;
|
|
case WL3501_SIG_START_CONFIRM:
|
|
wl3501_start_confirm_interrupt(dev, this, addr);
|
|
break;
|
|
case WL3501_SIG_SCAN_CONFIRM:
|
|
wl3501_mgmt_scan_confirm(this, addr);
|
|
break;
|
|
case WL3501_SIG_JOIN_CONFIRM:
|
|
wl3501_mgmt_join_confirm(dev, addr);
|
|
break;
|
|
case WL3501_SIG_ASSOC_CONFIRM:
|
|
wl3501_assoc_confirm_interrupt(dev, addr);
|
|
break;
|
|
case WL3501_SIG_AUTH_CONFIRM:
|
|
wl3501_auth_confirm_interrupt(this, addr);
|
|
break;
|
|
case WL3501_SIG_RESYNC_CONFIRM:
|
|
wl3501_mgmt_resync(this); /* FIXME: should be resync_confirm */
|
|
break;
|
|
}
|
|
wl3501_esbq_confirm_done(this);
|
|
morepkts = 1;
|
|
/* free request if necessary */
|
|
free:
|
|
wl3501_esbq_req_free(this);
|
|
if (morepkts)
|
|
goto loop;
|
|
}
|
|
|
|
static inline void wl3501_ack_interrupt(struct wl3501_card *this)
|
|
{
|
|
wl3501_outb(WL3501_GCR_ECINT, this->base_addr + WL3501_NIC_GCR);
|
|
}
|
|
|
|
/**
|
|
* wl3501_interrupt - Hardware interrupt from card.
|
|
* @irq - Interrupt number
|
|
* @dev_id - net_device
|
|
*
|
|
* We must acknowledge the interrupt as soon as possible, and block the
|
|
* interrupt from the same card immediately to prevent re-entry.
|
|
*
|
|
* Before accessing the Control_Status_Block, we must lock SUTRO first.
|
|
* On the other hand, to prevent SUTRO from malfunctioning, we must
|
|
* unlock the SUTRO as soon as possible.
|
|
*/
|
|
static irqreturn_t wl3501_interrupt(int irq, void *dev_id)
|
|
{
|
|
struct net_device *dev = dev_id;
|
|
struct wl3501_card *this;
|
|
|
|
this = netdev_priv(dev);
|
|
spin_lock(&this->lock);
|
|
wl3501_ack_interrupt(this);
|
|
wl3501_block_interrupt(this);
|
|
wl3501_rx_interrupt(dev);
|
|
wl3501_unblock_interrupt(this);
|
|
spin_unlock(&this->lock);
|
|
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
static int wl3501_reset_board(struct wl3501_card *this)
|
|
{
|
|
u8 tmp = 0;
|
|
int i, rc = 0;
|
|
|
|
/* Coreset */
|
|
wl3501_outb_p(WL3501_GCR_CORESET, this->base_addr + WL3501_NIC_GCR);
|
|
wl3501_outb_p(0, this->base_addr + WL3501_NIC_GCR);
|
|
wl3501_outb_p(WL3501_GCR_CORESET, this->base_addr + WL3501_NIC_GCR);
|
|
|
|
/* Reset SRAM 0x480 to zero */
|
|
wl3501_set_to_wla(this, 0x480, &tmp, sizeof(tmp));
|
|
|
|
/* Start up */
|
|
wl3501_outb_p(0, this->base_addr + WL3501_NIC_GCR);
|
|
|
|
WL3501_NOPLOOP(1024 * 50);
|
|
|
|
wl3501_unblock_interrupt(this); /* acme: was commented */
|
|
|
|
/* Polling Self_Test_Status */
|
|
for (i = 0; i < 10000; i++) {
|
|
wl3501_get_from_wla(this, 0x480, &tmp, sizeof(tmp));
|
|
|
|
if (tmp == 'W') {
|
|
/* firmware complete all test successfully */
|
|
tmp = 'A';
|
|
wl3501_set_to_wla(this, 0x480, &tmp, sizeof(tmp));
|
|
goto out;
|
|
}
|
|
WL3501_NOPLOOP(10);
|
|
}
|
|
printk(KERN_WARNING "%s: failed to reset the board!\n", __FUNCTION__);
|
|
rc = -ENODEV;
|
|
out:
|
|
return rc;
|
|
}
|
|
|
|
static int wl3501_init_firmware(struct wl3501_card *this)
|
|
{
|
|
u16 ptr, next;
|
|
int rc = wl3501_reset_board(this);
|
|
|
|
if (rc)
|
|
goto fail;
|
|
this->card_name[0] = '\0';
|
|
wl3501_get_from_wla(this, 0x1a00,
|
|
this->card_name, sizeof(this->card_name));
|
|
this->card_name[sizeof(this->card_name) - 1] = '\0';
|
|
this->firmware_date[0] = '\0';
|
|
wl3501_get_from_wla(this, 0x1a40,
|
|
this->firmware_date, sizeof(this->firmware_date));
|
|
this->firmware_date[sizeof(this->firmware_date) - 1] = '\0';
|
|
/* Switch to SRAM Page 0 */
|
|
wl3501_switch_page(this, WL3501_BSS_SPAGE0);
|
|
/* Read parameter from card */
|
|
wl3501_get_from_wla(this, 0x482, &this->esbq_req_start, 2);
|
|
wl3501_get_from_wla(this, 0x486, &this->esbq_req_end, 2);
|
|
wl3501_get_from_wla(this, 0x488, &this->esbq_confirm_start, 2);
|
|
wl3501_get_from_wla(this, 0x48c, &this->esbq_confirm_end, 2);
|
|
wl3501_get_from_wla(this, 0x48e, &this->tx_buffer_head, 2);
|
|
wl3501_get_from_wla(this, 0x492, &this->tx_buffer_size, 2);
|
|
this->esbq_req_tail = this->esbq_req_head = this->esbq_req_start;
|
|
this->esbq_req_end += this->esbq_req_start;
|
|
this->esbq_confirm = this->esbq_confirm_start;
|
|
this->esbq_confirm_end += this->esbq_confirm_start;
|
|
/* Initial Tx Buffer */
|
|
this->tx_buffer_cnt = 1;
|
|
ptr = this->tx_buffer_head;
|
|
next = ptr + WL3501_BLKSZ;
|
|
while ((next - this->tx_buffer_head) < this->tx_buffer_size) {
|
|
this->tx_buffer_cnt++;
|
|
wl3501_set_to_wla(this, ptr, &next, sizeof(next));
|
|
ptr = next;
|
|
next = ptr + WL3501_BLKSZ;
|
|
}
|
|
rc = 0;
|
|
next = 0;
|
|
wl3501_set_to_wla(this, ptr, &next, sizeof(next));
|
|
this->tx_buffer_tail = ptr;
|
|
out:
|
|
return rc;
|
|
fail:
|
|
printk(KERN_WARNING "%s: failed!\n", __FUNCTION__);
|
|
goto out;
|
|
}
|
|
|
|
static int wl3501_close(struct net_device *dev)
|
|
{
|
|
struct wl3501_card *this = dev->priv;
|
|
int rc = -ENODEV;
|
|
unsigned long flags;
|
|
struct pcmcia_device *link;
|
|
link = this->p_dev;
|
|
|
|
spin_lock_irqsave(&this->lock, flags);
|
|
link->open--;
|
|
|
|
/* Stop wl3501_hard_start_xmit() from now on */
|
|
netif_stop_queue(dev);
|
|
wl3501_ack_interrupt(this);
|
|
|
|
/* Mask interrupts from the SUTRO */
|
|
wl3501_block_interrupt(this);
|
|
|
|
rc = 0;
|
|
printk(KERN_INFO "%s: WL3501 closed\n", dev->name);
|
|
spin_unlock_irqrestore(&this->lock, flags);
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
* wl3501_reset - Reset the SUTRO.
|
|
* @dev - network device
|
|
*
|
|
* It is almost the same as wl3501_open(). In fact, we may just wl3501_close()
|
|
* and wl3501_open() again, but I wouldn't like to free_irq() when the driver
|
|
* is running. It seems to be dangerous.
|
|
*/
|
|
static int wl3501_reset(struct net_device *dev)
|
|
{
|
|
struct wl3501_card *this = dev->priv;
|
|
int rc = -ENODEV;
|
|
|
|
wl3501_block_interrupt(this);
|
|
|
|
if (wl3501_init_firmware(this)) {
|
|
printk(KERN_WARNING "%s: Can't initialize Firmware!\n",
|
|
dev->name);
|
|
/* Free IRQ, and mark IRQ as unused */
|
|
free_irq(dev->irq, dev);
|
|
goto out;
|
|
}
|
|
|
|
/*
|
|
* Queue has to be started only when the Card is Started
|
|
*/
|
|
netif_stop_queue(dev);
|
|
this->adhoc_times = 0;
|
|
wl3501_ack_interrupt(this);
|
|
wl3501_unblock_interrupt(this);
|
|
wl3501_mgmt_scan(this, 100);
|
|
dprintk(1, "%s: device reset", dev->name);
|
|
rc = 0;
|
|
out:
|
|
return rc;
|
|
}
|
|
|
|
static void wl3501_tx_timeout(struct net_device *dev)
|
|
{
|
|
struct wl3501_card *this = dev->priv;
|
|
struct net_device_stats *stats = &this->stats;
|
|
unsigned long flags;
|
|
int rc;
|
|
|
|
stats->tx_errors++;
|
|
spin_lock_irqsave(&this->lock, flags);
|
|
rc = wl3501_reset(dev);
|
|
spin_unlock_irqrestore(&this->lock, flags);
|
|
if (rc)
|
|
printk(KERN_ERR "%s: Error %d resetting card on Tx timeout!\n",
|
|
dev->name, rc);
|
|
else {
|
|
dev->trans_start = jiffies;
|
|
netif_wake_queue(dev);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Return : 0 - OK
|
|
* 1 - Could not transmit (dev_queue_xmit will queue it)
|
|
* and try to sent it later
|
|
*/
|
|
static int wl3501_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
|
|
{
|
|
int enabled, rc;
|
|
struct wl3501_card *this = dev->priv;
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&this->lock, flags);
|
|
enabled = wl3501_block_interrupt(this);
|
|
dev->trans_start = jiffies;
|
|
rc = wl3501_send_pkt(this, skb->data, skb->len);
|
|
if (enabled)
|
|
wl3501_unblock_interrupt(this);
|
|
if (rc) {
|
|
++this->stats.tx_dropped;
|
|
netif_stop_queue(dev);
|
|
} else {
|
|
++this->stats.tx_packets;
|
|
this->stats.tx_bytes += skb->len;
|
|
kfree_skb(skb);
|
|
|
|
if (this->tx_buffer_cnt < 2)
|
|
netif_stop_queue(dev);
|
|
}
|
|
spin_unlock_irqrestore(&this->lock, flags);
|
|
return rc;
|
|
}
|
|
|
|
static int wl3501_open(struct net_device *dev)
|
|
{
|
|
int rc = -ENODEV;
|
|
struct wl3501_card *this = dev->priv;
|
|
unsigned long flags;
|
|
struct pcmcia_device *link;
|
|
link = this->p_dev;
|
|
|
|
spin_lock_irqsave(&this->lock, flags);
|
|
if (!pcmcia_dev_present(link))
|
|
goto out;
|
|
netif_device_attach(dev);
|
|
link->open++;
|
|
|
|
/* Initial WL3501 firmware */
|
|
dprintk(1, "%s: Initialize WL3501 firmware...", dev->name);
|
|
if (wl3501_init_firmware(this))
|
|
goto fail;
|
|
/* Initial device variables */
|
|
this->adhoc_times = 0;
|
|
/* Acknowledge Interrupt, for cleaning last state */
|
|
wl3501_ack_interrupt(this);
|
|
|
|
/* Enable interrupt from card after all */
|
|
wl3501_unblock_interrupt(this);
|
|
wl3501_mgmt_scan(this, 100);
|
|
rc = 0;
|
|
dprintk(1, "%s: WL3501 opened", dev->name);
|
|
printk(KERN_INFO "%s: Card Name: %s\n"
|
|
"%s: Firmware Date: %s\n",
|
|
dev->name, this->card_name,
|
|
dev->name, this->firmware_date);
|
|
out:
|
|
spin_unlock_irqrestore(&this->lock, flags);
|
|
return rc;
|
|
fail:
|
|
printk(KERN_WARNING "%s: Can't initialize firmware!\n", dev->name);
|
|
goto out;
|
|
}
|
|
|
|
static struct net_device_stats *wl3501_get_stats(struct net_device *dev)
|
|
{
|
|
struct wl3501_card *this = dev->priv;
|
|
|
|
return &this->stats;
|
|
}
|
|
|
|
static struct iw_statistics *wl3501_get_wireless_stats(struct net_device *dev)
|
|
{
|
|
struct wl3501_card *this = dev->priv;
|
|
struct iw_statistics *wstats = &this->wstats;
|
|
u32 value; /* size checked: it is u32 */
|
|
|
|
memset(wstats, 0, sizeof(*wstats));
|
|
wstats->status = netif_running(dev);
|
|
if (!wl3501_get_mib_value(this, WL3501_MIB_ATTR_WEP_ICV_ERROR_COUNT,
|
|
&value, sizeof(value)))
|
|
wstats->discard.code += value;
|
|
if (!wl3501_get_mib_value(this, WL3501_MIB_ATTR_WEP_UNDECRYPTABLE_COUNT,
|
|
&value, sizeof(value)))
|
|
wstats->discard.code += value;
|
|
if (!wl3501_get_mib_value(this, WL3501_MIB_ATTR_WEP_EXCLUDED_COUNT,
|
|
&value, sizeof(value)))
|
|
wstats->discard.code += value;
|
|
if (!wl3501_get_mib_value(this, WL3501_MIB_ATTR_RETRY_COUNT,
|
|
&value, sizeof(value)))
|
|
wstats->discard.retries = value;
|
|
if (!wl3501_get_mib_value(this, WL3501_MIB_ATTR_FAILED_COUNT,
|
|
&value, sizeof(value)))
|
|
wstats->discard.misc += value;
|
|
if (!wl3501_get_mib_value(this, WL3501_MIB_ATTR_RTS_FAILURE_COUNT,
|
|
&value, sizeof(value)))
|
|
wstats->discard.misc += value;
|
|
if (!wl3501_get_mib_value(this, WL3501_MIB_ATTR_ACK_FAILURE_COUNT,
|
|
&value, sizeof(value)))
|
|
wstats->discard.misc += value;
|
|
if (!wl3501_get_mib_value(this, WL3501_MIB_ATTR_FRAME_DUPLICATE_COUNT,
|
|
&value, sizeof(value)))
|
|
wstats->discard.misc += value;
|
|
return wstats;
|
|
}
|
|
|
|
static void wl3501_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
|
|
{
|
|
strlcpy(info->driver, wl3501_dev_info, sizeof(info->driver));
|
|
}
|
|
|
|
static const struct ethtool_ops ops = {
|
|
.get_drvinfo = wl3501_get_drvinfo
|
|
};
|
|
|
|
/**
|
|
* wl3501_detach - deletes a driver "instance"
|
|
* @link - FILL_IN
|
|
*
|
|
* This deletes a driver "instance". The device is de-registered with Card
|
|
* Services. If it has been released, all local data structures are freed.
|
|
* Otherwise, the structures will be freed when the device is released.
|
|
*/
|
|
static void wl3501_detach(struct pcmcia_device *link)
|
|
{
|
|
struct net_device *dev = link->priv;
|
|
|
|
/* If the device is currently configured and active, we won't actually
|
|
* delete it yet. Instead, it is marked so that when the release()
|
|
* function is called, that will trigger a proper detach(). */
|
|
|
|
while (link->open > 0)
|
|
wl3501_close(dev);
|
|
|
|
netif_device_detach(dev);
|
|
wl3501_release(link);
|
|
|
|
if (link->priv)
|
|
free_netdev(link->priv);
|
|
|
|
return;
|
|
}
|
|
|
|
static int wl3501_get_name(struct net_device *dev, struct iw_request_info *info,
|
|
union iwreq_data *wrqu, char *extra)
|
|
{
|
|
strlcpy(wrqu->name, "IEEE 802.11-DS", sizeof(wrqu->name));
|
|
return 0;
|
|
}
|
|
|
|
static int wl3501_set_freq(struct net_device *dev, struct iw_request_info *info,
|
|
union iwreq_data *wrqu, char *extra)
|
|
{
|
|
struct wl3501_card *this = dev->priv;
|
|
int channel = wrqu->freq.m;
|
|
int rc = -EINVAL;
|
|
|
|
if (iw_valid_channel(this->reg_domain, channel)) {
|
|
this->chan = channel;
|
|
rc = wl3501_reset(dev);
|
|
}
|
|
return rc;
|
|
}
|
|
|
|
static int wl3501_get_freq(struct net_device *dev, struct iw_request_info *info,
|
|
union iwreq_data *wrqu, char *extra)
|
|
{
|
|
struct wl3501_card *this = dev->priv;
|
|
|
|
wrqu->freq.m = wl3501_chan2freq[this->chan - 1] * 100000;
|
|
wrqu->freq.e = 1;
|
|
return 0;
|
|
}
|
|
|
|
static int wl3501_set_mode(struct net_device *dev, struct iw_request_info *info,
|
|
union iwreq_data *wrqu, char *extra)
|
|
{
|
|
int rc = -EINVAL;
|
|
|
|
if (wrqu->mode == IW_MODE_INFRA ||
|
|
wrqu->mode == IW_MODE_ADHOC ||
|
|
wrqu->mode == IW_MODE_AUTO) {
|
|
struct wl3501_card *this = dev->priv;
|
|
|
|
this->net_type = wrqu->mode;
|
|
rc = wl3501_reset(dev);
|
|
}
|
|
return rc;
|
|
}
|
|
|
|
static int wl3501_get_mode(struct net_device *dev, struct iw_request_info *info,
|
|
union iwreq_data *wrqu, char *extra)
|
|
{
|
|
struct wl3501_card *this = dev->priv;
|
|
|
|
wrqu->mode = this->net_type;
|
|
return 0;
|
|
}
|
|
|
|
static int wl3501_get_sens(struct net_device *dev, struct iw_request_info *info,
|
|
union iwreq_data *wrqu, char *extra)
|
|
{
|
|
struct wl3501_card *this = dev->priv;
|
|
|
|
wrqu->sens.value = this->rssi;
|
|
wrqu->sens.disabled = !wrqu->sens.value;
|
|
wrqu->sens.fixed = 1;
|
|
return 0;
|
|
}
|
|
|
|
static int wl3501_get_range(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
union iwreq_data *wrqu, char *extra)
|
|
{
|
|
struct iw_range *range = (struct iw_range *)extra;
|
|
|
|
/* Set the length (very important for backward compatibility) */
|
|
wrqu->data.length = sizeof(*range);
|
|
|
|
/* Set all the info we don't care or don't know about to zero */
|
|
memset(range, 0, sizeof(*range));
|
|
|
|
/* Set the Wireless Extension versions */
|
|
range->we_version_compiled = WIRELESS_EXT;
|
|
range->we_version_source = 1;
|
|
range->throughput = 2 * 1000 * 1000; /* ~2 Mb/s */
|
|
/* FIXME: study the code to fill in more fields... */
|
|
return 0;
|
|
}
|
|
|
|
static int wl3501_set_wap(struct net_device *dev, struct iw_request_info *info,
|
|
union iwreq_data *wrqu, char *extra)
|
|
{
|
|
struct wl3501_card *this = dev->priv;
|
|
static const u8 bcast[ETH_ALEN] = { 255, 255, 255, 255, 255, 255 };
|
|
int rc = -EINVAL;
|
|
|
|
/* FIXME: we support other ARPHRDs...*/
|
|
if (wrqu->ap_addr.sa_family != ARPHRD_ETHER)
|
|
goto out;
|
|
if (!memcmp(bcast, wrqu->ap_addr.sa_data, ETH_ALEN)) {
|
|
/* FIXME: rescan? */
|
|
} else
|
|
memcpy(this->bssid, wrqu->ap_addr.sa_data, ETH_ALEN);
|
|
/* FIXME: rescan? deassoc & scan? */
|
|
rc = 0;
|
|
out:
|
|
return rc;
|
|
}
|
|
|
|
static int wl3501_get_wap(struct net_device *dev, struct iw_request_info *info,
|
|
union iwreq_data *wrqu, char *extra)
|
|
{
|
|
struct wl3501_card *this = dev->priv;
|
|
|
|
wrqu->ap_addr.sa_family = ARPHRD_ETHER;
|
|
memcpy(wrqu->ap_addr.sa_data, this->bssid, ETH_ALEN);
|
|
return 0;
|
|
}
|
|
|
|
static int wl3501_set_scan(struct net_device *dev, struct iw_request_info *info,
|
|
union iwreq_data *wrqu, char *extra)
|
|
{
|
|
/*
|
|
* FIXME: trigger scanning with a reset, yes, I'm lazy
|
|
*/
|
|
return wl3501_reset(dev);
|
|
}
|
|
|
|
static int wl3501_get_scan(struct net_device *dev, struct iw_request_info *info,
|
|
union iwreq_data *wrqu, char *extra)
|
|
{
|
|
struct wl3501_card *this = dev->priv;
|
|
int i;
|
|
char *current_ev = extra;
|
|
struct iw_event iwe;
|
|
|
|
for (i = 0; i < this->bss_cnt; ++i) {
|
|
iwe.cmd = SIOCGIWAP;
|
|
iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
|
|
memcpy(iwe.u.ap_addr.sa_data, this->bss_set[i].bssid, ETH_ALEN);
|
|
current_ev = iwe_stream_add_event(current_ev,
|
|
extra + IW_SCAN_MAX_DATA,
|
|
&iwe, IW_EV_ADDR_LEN);
|
|
iwe.cmd = SIOCGIWESSID;
|
|
iwe.u.data.flags = 1;
|
|
iwe.u.data.length = this->bss_set[i].ssid.el.len;
|
|
current_ev = iwe_stream_add_point(current_ev,
|
|
extra + IW_SCAN_MAX_DATA,
|
|
&iwe,
|
|
this->bss_set[i].ssid.essid);
|
|
iwe.cmd = SIOCGIWMODE;
|
|
iwe.u.mode = this->bss_set[i].bss_type;
|
|
current_ev = iwe_stream_add_event(current_ev,
|
|
extra + IW_SCAN_MAX_DATA,
|
|
&iwe, IW_EV_UINT_LEN);
|
|
iwe.cmd = SIOCGIWFREQ;
|
|
iwe.u.freq.m = this->bss_set[i].ds_pset.chan;
|
|
iwe.u.freq.e = 0;
|
|
current_ev = iwe_stream_add_event(current_ev,
|
|
extra + IW_SCAN_MAX_DATA,
|
|
&iwe, IW_EV_FREQ_LEN);
|
|
iwe.cmd = SIOCGIWENCODE;
|
|
if (this->bss_set[i].cap_info & WL3501_MGMT_CAPABILITY_PRIVACY)
|
|
iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
|
|
else
|
|
iwe.u.data.flags = IW_ENCODE_DISABLED;
|
|
iwe.u.data.length = 0;
|
|
current_ev = iwe_stream_add_point(current_ev,
|
|
extra + IW_SCAN_MAX_DATA,
|
|
&iwe, NULL);
|
|
}
|
|
/* Length of data */
|
|
wrqu->data.length = (current_ev - extra);
|
|
wrqu->data.flags = 0; /* FIXME: set properly these flags */
|
|
return 0;
|
|
}
|
|
|
|
static int wl3501_set_essid(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
union iwreq_data *wrqu, char *extra)
|
|
{
|
|
struct wl3501_card *this = dev->priv;
|
|
|
|
if (wrqu->data.flags) {
|
|
iw_set_mgmt_info_element(IW_MGMT_INFO_ELEMENT_SSID,
|
|
&this->essid.el,
|
|
extra, wrqu->data.length);
|
|
} else { /* We accept any ESSID */
|
|
iw_set_mgmt_info_element(IW_MGMT_INFO_ELEMENT_SSID,
|
|
&this->essid.el, "ANY", 3);
|
|
}
|
|
return wl3501_reset(dev);
|
|
}
|
|
|
|
static int wl3501_get_essid(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
union iwreq_data *wrqu, char *extra)
|
|
{
|
|
struct wl3501_card *this = dev->priv;
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&this->lock, flags);
|
|
wrqu->essid.flags = 1;
|
|
wrqu->essid.length = this->essid.el.len;
|
|
memcpy(extra, this->essid.essid, this->essid.el.len);
|
|
spin_unlock_irqrestore(&this->lock, flags);
|
|
return 0;
|
|
}
|
|
|
|
static int wl3501_set_nick(struct net_device *dev, struct iw_request_info *info,
|
|
union iwreq_data *wrqu, char *extra)
|
|
{
|
|
struct wl3501_card *this = dev->priv;
|
|
|
|
if (wrqu->data.length > sizeof(this->nick))
|
|
return -E2BIG;
|
|
strlcpy(this->nick, extra, wrqu->data.length);
|
|
return 0;
|
|
}
|
|
|
|
static int wl3501_get_nick(struct net_device *dev, struct iw_request_info *info,
|
|
union iwreq_data *wrqu, char *extra)
|
|
{
|
|
struct wl3501_card *this = dev->priv;
|
|
|
|
strlcpy(extra, this->nick, 32);
|
|
wrqu->data.length = strlen(extra);
|
|
return 0;
|
|
}
|
|
|
|
static int wl3501_get_rate(struct net_device *dev, struct iw_request_info *info,
|
|
union iwreq_data *wrqu, char *extra)
|
|
{
|
|
/*
|
|
* FIXME: have to see from where to get this info, perhaps this card
|
|
* works at 1 Mbit/s too... for now leave at 2 Mbit/s that is the most
|
|
* common with the Planet Access Points. -acme
|
|
*/
|
|
wrqu->bitrate.value = 2000000;
|
|
wrqu->bitrate.fixed = 1;
|
|
return 0;
|
|
}
|
|
|
|
static int wl3501_get_rts_threshold(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
union iwreq_data *wrqu, char *extra)
|
|
{
|
|
u16 threshold; /* size checked: it is u16 */
|
|
struct wl3501_card *this = dev->priv;
|
|
int rc = wl3501_get_mib_value(this, WL3501_MIB_ATTR_RTS_THRESHOLD,
|
|
&threshold, sizeof(threshold));
|
|
if (!rc) {
|
|
wrqu->rts.value = threshold;
|
|
wrqu->rts.disabled = threshold >= 2347;
|
|
wrqu->rts.fixed = 1;
|
|
}
|
|
return rc;
|
|
}
|
|
|
|
static int wl3501_get_frag_threshold(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
union iwreq_data *wrqu, char *extra)
|
|
{
|
|
u16 threshold; /* size checked: it is u16 */
|
|
struct wl3501_card *this = dev->priv;
|
|
int rc = wl3501_get_mib_value(this, WL3501_MIB_ATTR_FRAG_THRESHOLD,
|
|
&threshold, sizeof(threshold));
|
|
if (!rc) {
|
|
wrqu->frag.value = threshold;
|
|
wrqu->frag.disabled = threshold >= 2346;
|
|
wrqu->frag.fixed = 1;
|
|
}
|
|
return rc;
|
|
}
|
|
|
|
static int wl3501_get_txpow(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
union iwreq_data *wrqu, char *extra)
|
|
{
|
|
u16 txpow;
|
|
struct wl3501_card *this = dev->priv;
|
|
int rc = wl3501_get_mib_value(this,
|
|
WL3501_MIB_ATTR_CURRENT_TX_PWR_LEVEL,
|
|
&txpow, sizeof(txpow));
|
|
if (!rc) {
|
|
wrqu->txpower.value = txpow;
|
|
wrqu->txpower.disabled = 0;
|
|
/*
|
|
* From the MIB values I think this can be configurable,
|
|
* as it lists several tx power levels -acme
|
|
*/
|
|
wrqu->txpower.fixed = 0;
|
|
wrqu->txpower.flags = IW_TXPOW_MWATT;
|
|
}
|
|
return rc;
|
|
}
|
|
|
|
static int wl3501_get_retry(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
union iwreq_data *wrqu, char *extra)
|
|
{
|
|
u8 retry; /* size checked: it is u8 */
|
|
struct wl3501_card *this = dev->priv;
|
|
int rc = wl3501_get_mib_value(this,
|
|
WL3501_MIB_ATTR_LONG_RETRY_LIMIT,
|
|
&retry, sizeof(retry));
|
|
if (rc)
|
|
goto out;
|
|
if (wrqu->retry.flags & IW_RETRY_LONG) {
|
|
wrqu->retry.flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
|
|
goto set_value;
|
|
}
|
|
rc = wl3501_get_mib_value(this, WL3501_MIB_ATTR_SHORT_RETRY_LIMIT,
|
|
&retry, sizeof(retry));
|
|
if (rc)
|
|
goto out;
|
|
wrqu->retry.flags = IW_RETRY_LIMIT | IW_RETRY_SHORT;
|
|
set_value:
|
|
wrqu->retry.value = retry;
|
|
wrqu->retry.disabled = 0;
|
|
out:
|
|
return rc;
|
|
}
|
|
|
|
static int wl3501_get_encode(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
union iwreq_data *wrqu, char *extra)
|
|
{
|
|
u8 implemented, restricted, keys[100], len_keys, tocopy;
|
|
struct wl3501_card *this = dev->priv;
|
|
int rc = wl3501_get_mib_value(this,
|
|
WL3501_MIB_ATTR_PRIV_OPT_IMPLEMENTED,
|
|
&implemented, sizeof(implemented));
|
|
if (rc)
|
|
goto out;
|
|
if (!implemented) {
|
|
wrqu->encoding.flags = IW_ENCODE_DISABLED;
|
|
goto out;
|
|
}
|
|
rc = wl3501_get_mib_value(this, WL3501_MIB_ATTR_EXCLUDE_UNENCRYPTED,
|
|
&restricted, sizeof(restricted));
|
|
if (rc)
|
|
goto out;
|
|
wrqu->encoding.flags = restricted ? IW_ENCODE_RESTRICTED :
|
|
IW_ENCODE_OPEN;
|
|
rc = wl3501_get_mib_value(this, WL3501_MIB_ATTR_WEP_KEY_MAPPINGS_LEN,
|
|
&len_keys, sizeof(len_keys));
|
|
if (rc)
|
|
goto out;
|
|
rc = wl3501_get_mib_value(this, WL3501_MIB_ATTR_WEP_KEY_MAPPINGS,
|
|
keys, len_keys);
|
|
if (rc)
|
|
goto out;
|
|
tocopy = min_t(u8, len_keys, wrqu->encoding.length);
|
|
tocopy = min_t(u8, tocopy, 100);
|
|
wrqu->encoding.length = tocopy;
|
|
memset(extra, 0, tocopy);
|
|
memcpy(extra, keys, tocopy);
|
|
out:
|
|
return rc;
|
|
}
|
|
|
|
static int wl3501_get_power(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
union iwreq_data *wrqu, char *extra)
|
|
{
|
|
u8 pwr_state;
|
|
struct wl3501_card *this = dev->priv;
|
|
int rc = wl3501_get_mib_value(this,
|
|
WL3501_MIB_ATTR_CURRENT_PWR_STATE,
|
|
&pwr_state, sizeof(pwr_state));
|
|
if (rc)
|
|
goto out;
|
|
wrqu->power.disabled = !pwr_state;
|
|
wrqu->power.flags = IW_POWER_ON;
|
|
out:
|
|
return rc;
|
|
}
|
|
|
|
static const iw_handler wl3501_handler[] = {
|
|
[SIOCGIWNAME - SIOCIWFIRST] = wl3501_get_name,
|
|
[SIOCSIWFREQ - SIOCIWFIRST] = wl3501_set_freq,
|
|
[SIOCGIWFREQ - SIOCIWFIRST] = wl3501_get_freq,
|
|
[SIOCSIWMODE - SIOCIWFIRST] = wl3501_set_mode,
|
|
[SIOCGIWMODE - SIOCIWFIRST] = wl3501_get_mode,
|
|
[SIOCGIWSENS - SIOCIWFIRST] = wl3501_get_sens,
|
|
[SIOCGIWRANGE - SIOCIWFIRST] = wl3501_get_range,
|
|
[SIOCSIWSPY - SIOCIWFIRST] = iw_handler_set_spy,
|
|
[SIOCGIWSPY - SIOCIWFIRST] = iw_handler_get_spy,
|
|
[SIOCSIWTHRSPY - SIOCIWFIRST] = iw_handler_set_thrspy,
|
|
[SIOCGIWTHRSPY - SIOCIWFIRST] = iw_handler_get_thrspy,
|
|
[SIOCSIWAP - SIOCIWFIRST] = wl3501_set_wap,
|
|
[SIOCGIWAP - SIOCIWFIRST] = wl3501_get_wap,
|
|
[SIOCSIWSCAN - SIOCIWFIRST] = wl3501_set_scan,
|
|
[SIOCGIWSCAN - SIOCIWFIRST] = wl3501_get_scan,
|
|
[SIOCSIWESSID - SIOCIWFIRST] = wl3501_set_essid,
|
|
[SIOCGIWESSID - SIOCIWFIRST] = wl3501_get_essid,
|
|
[SIOCSIWNICKN - SIOCIWFIRST] = wl3501_set_nick,
|
|
[SIOCGIWNICKN - SIOCIWFIRST] = wl3501_get_nick,
|
|
[SIOCGIWRATE - SIOCIWFIRST] = wl3501_get_rate,
|
|
[SIOCGIWRTS - SIOCIWFIRST] = wl3501_get_rts_threshold,
|
|
[SIOCGIWFRAG - SIOCIWFIRST] = wl3501_get_frag_threshold,
|
|
[SIOCGIWTXPOW - SIOCIWFIRST] = wl3501_get_txpow,
|
|
[SIOCGIWRETRY - SIOCIWFIRST] = wl3501_get_retry,
|
|
[SIOCGIWENCODE - SIOCIWFIRST] = wl3501_get_encode,
|
|
[SIOCGIWPOWER - SIOCIWFIRST] = wl3501_get_power,
|
|
};
|
|
|
|
static const struct iw_handler_def wl3501_handler_def = {
|
|
.num_standard = sizeof(wl3501_handler) / sizeof(iw_handler),
|
|
.standard = (iw_handler *)wl3501_handler,
|
|
.get_wireless_stats = wl3501_get_wireless_stats,
|
|
};
|
|
|
|
/**
|
|
* wl3501_attach - creates an "instance" of the driver
|
|
*
|
|
* Creates an "instance" of the driver, allocating local data structures for
|
|
* one device. The device is registered with Card Services.
|
|
*
|
|
* The dev_link structure is initialized, but we don't actually configure the
|
|
* card at this point -- we wait until we receive a card insertion event.
|
|
*/
|
|
static int wl3501_probe(struct pcmcia_device *p_dev)
|
|
{
|
|
struct net_device *dev;
|
|
struct wl3501_card *this;
|
|
|
|
/* The io structure describes IO port mapping */
|
|
p_dev->io.NumPorts1 = 16;
|
|
p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
|
|
p_dev->io.IOAddrLines = 5;
|
|
|
|
/* Interrupt setup */
|
|
p_dev->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT;
|
|
p_dev->irq.IRQInfo1 = IRQ_LEVEL_ID;
|
|
p_dev->irq.Handler = wl3501_interrupt;
|
|
|
|
/* General socket configuration */
|
|
p_dev->conf.Attributes = CONF_ENABLE_IRQ;
|
|
p_dev->conf.IntType = INT_MEMORY_AND_IO;
|
|
p_dev->conf.ConfigIndex = 1;
|
|
p_dev->conf.Present = PRESENT_OPTION;
|
|
|
|
dev = alloc_etherdev(sizeof(struct wl3501_card));
|
|
if (!dev)
|
|
goto out_link;
|
|
dev->open = wl3501_open;
|
|
dev->stop = wl3501_close;
|
|
dev->hard_start_xmit = wl3501_hard_start_xmit;
|
|
dev->tx_timeout = wl3501_tx_timeout;
|
|
dev->watchdog_timeo = 5 * HZ;
|
|
dev->get_stats = wl3501_get_stats;
|
|
this = dev->priv;
|
|
this->wireless_data.spy_data = &this->spy_data;
|
|
this->p_dev = p_dev;
|
|
dev->wireless_data = &this->wireless_data;
|
|
dev->wireless_handlers = (struct iw_handler_def *)&wl3501_handler_def;
|
|
SET_ETHTOOL_OPS(dev, &ops);
|
|
netif_stop_queue(dev);
|
|
p_dev->priv = p_dev->irq.Instance = dev;
|
|
|
|
return wl3501_config(p_dev);
|
|
out_link:
|
|
return -ENOMEM;
|
|
}
|
|
|
|
#define CS_CHECK(fn, ret) \
|
|
do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
|
|
|
|
/**
|
|
* wl3501_config - configure the PCMCIA socket and make eth device available
|
|
* @link - FILL_IN
|
|
*
|
|
* wl3501_config() is scheduled to run after a CARD_INSERTION event is
|
|
* received, to configure the PCMCIA socket, and to make the ethernet device
|
|
* available to the system.
|
|
*/
|
|
static int wl3501_config(struct pcmcia_device *link)
|
|
{
|
|
tuple_t tuple;
|
|
cisparse_t parse;
|
|
struct net_device *dev = link->priv;
|
|
int i = 0, j, last_fn, last_ret;
|
|
unsigned char bf[64];
|
|
struct wl3501_card *this;
|
|
|
|
/* This reads the card's CONFIG tuple to find its config registers. */
|
|
tuple.Attributes = 0;
|
|
tuple.DesiredTuple = CISTPL_CONFIG;
|
|
CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
|
|
tuple.TupleData = bf;
|
|
tuple.TupleDataMax = sizeof(bf);
|
|
tuple.TupleOffset = 0;
|
|
CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple));
|
|
CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse));
|
|
link->conf.ConfigBase = parse.config.base;
|
|
link->conf.Present = parse.config.rmask[0];
|
|
|
|
/* Try allocating IO ports. This tries a few fixed addresses. If you
|
|
* want, you can also read the card's config table to pick addresses --
|
|
* see the serial driver for an example. */
|
|
|
|
for (j = 0x280; j < 0x400; j += 0x20) {
|
|
/* The '^0x300' is so that we probe 0x300-0x3ff first, then
|
|
* 0x200-0x2ff, and so on, because this seems safer */
|
|
link->io.BasePort1 = j;
|
|
link->io.BasePort2 = link->io.BasePort1 + 0x10;
|
|
i = pcmcia_request_io(link, &link->io);
|
|
if (i == CS_SUCCESS)
|
|
break;
|
|
}
|
|
if (i != CS_SUCCESS) {
|
|
cs_error(link, RequestIO, i);
|
|
goto failed;
|
|
}
|
|
|
|
/* Now allocate an interrupt line. Note that this does not actually
|
|
* assign a handler to the interrupt. */
|
|
|
|
CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
|
|
|
|
/* This actually configures the PCMCIA socket -- setting up the I/O
|
|
* windows and the interrupt mapping. */
|
|
|
|
CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
|
|
|
|
dev->irq = link->irq.AssignedIRQ;
|
|
dev->base_addr = link->io.BasePort1;
|
|
SET_NETDEV_DEV(dev, &handle_to_dev(link));
|
|
if (register_netdev(dev)) {
|
|
printk(KERN_NOTICE "wl3501_cs: register_netdev() failed\n");
|
|
goto failed;
|
|
}
|
|
|
|
SET_MODULE_OWNER(dev);
|
|
|
|
this = dev->priv;
|
|
/*
|
|
* At this point, the dev_node_t structure(s) should be initialized and
|
|
* arranged in a linked list at link->dev_node.
|
|
*/
|
|
link->dev_node = &this->node;
|
|
|
|
this->base_addr = dev->base_addr;
|
|
|
|
if (!wl3501_get_flash_mac_addr(this)) {
|
|
printk(KERN_WARNING "%s: Cant read MAC addr in flash ROM?\n",
|
|
dev->name);
|
|
goto failed;
|
|
}
|
|
strcpy(this->node.dev_name, dev->name);
|
|
|
|
/* print probe information */
|
|
printk(KERN_INFO "%s: wl3501 @ 0x%3.3x, IRQ %d, MAC addr in flash ROM:",
|
|
dev->name, this->base_addr, (int)dev->irq);
|
|
for (i = 0; i < 6; i++) {
|
|
dev->dev_addr[i] = ((char *)&this->mac_addr)[i];
|
|
printk("%c%02x", i ? ':' : ' ', dev->dev_addr[i]);
|
|
}
|
|
printk("\n");
|
|
/*
|
|
* Initialize card parameters - added by jss
|
|
*/
|
|
this->net_type = IW_MODE_INFRA;
|
|
this->bss_cnt = 0;
|
|
this->join_sta_bss = 0;
|
|
this->adhoc_times = 0;
|
|
iw_set_mgmt_info_element(IW_MGMT_INFO_ELEMENT_SSID, &this->essid.el,
|
|
"ANY", 3);
|
|
this->card_name[0] = '\0';
|
|
this->firmware_date[0] = '\0';
|
|
this->rssi = 255;
|
|
this->chan = iw_default_channel(this->reg_domain);
|
|
strlcpy(this->nick, "Planet WL3501", sizeof(this->nick));
|
|
spin_lock_init(&this->lock);
|
|
init_waitqueue_head(&this->wait);
|
|
netif_start_queue(dev);
|
|
return 0;
|
|
|
|
cs_failed:
|
|
cs_error(link, last_fn, last_ret);
|
|
failed:
|
|
wl3501_release(link);
|
|
return -ENODEV;
|
|
}
|
|
|
|
/**
|
|
* wl3501_release - unregister the net, release PCMCIA configuration
|
|
* @arg - link
|
|
*
|
|
* After a card is removed, wl3501_release() will unregister the net device,
|
|
* and release the PCMCIA configuration. If the device is still open, this
|
|
* will be postponed until it is closed.
|
|
*/
|
|
static void wl3501_release(struct pcmcia_device *link)
|
|
{
|
|
struct net_device *dev = link->priv;
|
|
|
|
/* Unlink the device chain */
|
|
if (link->dev_node)
|
|
unregister_netdev(dev);
|
|
|
|
pcmcia_disable_device(link);
|
|
}
|
|
|
|
static int wl3501_suspend(struct pcmcia_device *link)
|
|
{
|
|
struct net_device *dev = link->priv;
|
|
|
|
wl3501_pwr_mgmt(dev->priv, WL3501_SUSPEND);
|
|
if (link->open)
|
|
netif_device_detach(dev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int wl3501_resume(struct pcmcia_device *link)
|
|
{
|
|
struct net_device *dev = link->priv;
|
|
|
|
wl3501_pwr_mgmt(dev->priv, WL3501_RESUME);
|
|
if (link->open) {
|
|
wl3501_reset(dev);
|
|
netif_device_attach(dev);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static struct pcmcia_device_id wl3501_ids[] = {
|
|
PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0001),
|
|
PCMCIA_DEVICE_NULL
|
|
};
|
|
MODULE_DEVICE_TABLE(pcmcia, wl3501_ids);
|
|
|
|
static struct pcmcia_driver wl3501_driver = {
|
|
.owner = THIS_MODULE,
|
|
.drv = {
|
|
.name = "wl3501_cs",
|
|
},
|
|
.probe = wl3501_probe,
|
|
.remove = wl3501_detach,
|
|
.id_table = wl3501_ids,
|
|
.suspend = wl3501_suspend,
|
|
.resume = wl3501_resume,
|
|
};
|
|
|
|
static int __init wl3501_init_module(void)
|
|
{
|
|
return pcmcia_register_driver(&wl3501_driver);
|
|
}
|
|
|
|
static void __exit wl3501_exit_module(void)
|
|
{
|
|
pcmcia_unregister_driver(&wl3501_driver);
|
|
}
|
|
|
|
module_init(wl3501_init_module);
|
|
module_exit(wl3501_exit_module);
|
|
|
|
MODULE_AUTHOR("Fox Chen <mhchen@golf.ccl.itri.org.tw>, "
|
|
"Arnaldo Carvalho de Melo <acme@conectiva.com.br>,"
|
|
"Gustavo Niemeyer <niemeyer@conectiva.com>");
|
|
MODULE_DESCRIPTION("Planet wl3501 wireless driver");
|
|
MODULE_LICENSE("GPL");
|