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git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@576 3c298f89-4303-0410-b956-a3cf2f4a3e73
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mbm 2005-04-08 06:13:58 +00:00
parent e74fe1a459
commit 5145fc3a3d
1 changed files with 197 additions and 0 deletions
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197
package/openwrt/wlcompat.c Normal file
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// insert header here
// mbm. gpl.
#include <linux/config.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/if_arp.h>
#include <asm/uaccess.h>
#include <net/iw_handler.h>
#include <wlioctl.h>
#define DEBUG
static struct net_device *dev;
static int wl_ioctl(struct net_device *dev, int cmd, void *buf, int len)
{
mm_segment_t old_fs = get_fs();
struct ifreq ifr;
int ret;
wl_ioctl_t ioc;
ioc.cmd = cmd;
ioc.buf = buf;
ioc.len = len;
strncpy(ifr.ifr_name, dev->name, IFNAMSIZ);
ifr.ifr_data = (caddr_t) &ioc;
set_fs(KERNEL_DS);
ret = dev->do_ioctl(dev,&ifr,SIOCDEVPRIVATE);
set_fs (old_fs);
return ret;
}
static int wlcompat_ioctl(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu,
char *extra)
{
switch (info->cmd) {
case SIOCGIWNAME:
strcpy(wrqu->name, "IEEE 802.11-DS");
break;
case SIOCGIWFREQ:
{
channel_info_t ci;
wl_ioctl(dev,WLC_GET_CHANNEL, &ci, sizeof(ci));
wrqu->freq.m = ci.target_channel;
wrqu->freq.e = 0;
break;
}
case SIOCGIWAP:
{
wrqu->ap_addr.sa_family = ARPHRD_ETHER;
wl_ioctl(dev,WLC_GET_BSSID,wrqu->ap_addr.sa_data,6);
break;
}
case SIOCGIWESSID:
{
wlc_ssid_t ssid;
wl_ioctl(dev,WLC_GET_SSID, &ssid, sizeof(wlc_ssid_t));
wrqu->essid.flags = wrqu->data.flags = 1;
wrqu->essid.length = wrqu->data.length = ssid.SSID_len + 1;
memcpy(extra,ssid.SSID,ssid.SSID_len + 1);
break;
}
case SIOCGIWRTS:
{
wl_ioctl(dev,WLC_GET_RTS,&(wrqu->rts.value),sizeof(int));
break;
}
case SIOCGIWFRAG:
{
wl_ioctl(dev,WLC_GET_FRAG,&(wrqu->frag.value),sizeof(int));
break;
}
case SIOCGIWTXPOW:
{
wrqu->txpower.value = 0;
wl_ioctl(dev,WLC_GET_TXPWR, &(wrqu->txpower.value), sizeof(int));
wrqu->txpower.fixed = 0;
wrqu->txpower.disabled = 0;
wrqu->txpower.flags = IW_TXPOW_MWATT;
break;
}
case SIOCGIWENCODE:
{
wrqu->data.flags = IW_ENCODE_DISABLED;
break;
}
}
return 0;
}
static const iw_handler wlcompat_handler[] = {
NULL, /* SIOCSIWNAME */
wlcompat_ioctl, /* SIOCGIWNAME */
NULL, /* SIOCSIWNWID */
NULL, /* SIOCGIWNWID */
NULL, /* SIOCSIWFREQ */
wlcompat_ioctl, /* SIOCGIWFREQ */
NULL, /* SIOCSIWMODE */
NULL, /* SIOCGIWMODE */
NULL, /* SIOCSIWSENS */
NULL, /* SIOCGIWSENS */
NULL, /* SIOCSIWRANGE */
NULL, /* SIOCGIWRANGE */
NULL, /* SIOCSIWPRIV */
NULL, /* SIOCGIWPRIV */
NULL, /* SIOCSIWSTATS */
NULL, /* SIOCGIWSTATS */
iw_handler_set_spy, /* SIOCSIWSPY */
iw_handler_get_spy, /* SIOCGIWSPY */
iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
NULL, /* SIOCSIWAP */
wlcompat_ioctl, /* SIOCGIWAP */
NULL, /* -- hole -- */
NULL, /* SIOCGIWAPLIST */
NULL, /* -- hole -- */
NULL, /* -- hole -- */
NULL, /* SIOCSIWESSID */
wlcompat_ioctl, /* SIOCGIWESSID */
NULL, /* SIOCSIWNICKN */
NULL, /* SIOCGIWNICKN */
NULL, /* -- hole -- */
NULL, /* -- hole -- */
NULL, /* SIOCSIWRATE */
NULL, /* SIOCGIWRATE */
NULL, /* SIOCSIWRTS */
wlcompat_ioctl, /* SIOCGIWRTS */
NULL, /* SIOCSIWFRAG */
wlcompat_ioctl, /* SIOCGIWFRAG */
NULL, /* SIOCSIWTXPOW */
wlcompat_ioctl, /* SIOCGIWTXPOW */
NULL, /* SIOCSIWRETRY */
NULL, /* SIOCGIWRETRY */
NULL, /* SIOCSIWENCODE */
wlcompat_ioctl, /* SIOCGIWENCODE */
};
static const struct iw_handler_def wlcompat_handler_def =
{
.standard = (iw_handler *) wlcompat_handler,
.num_standard = sizeof(wlcompat_handler)/sizeof(iw_handler),
.private = NULL,
.num_private = 0,
.private_args = NULL,
.num_private_args = 0,
};
#ifdef DEBUG
static int (*old_ioctl)(struct net_device *dev, struct ifreq *ifr, int cmd);
static int new_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) {
int ret = old_ioctl(dev,ifr,cmd);
printk("dev: %s ioctl: 0x%04x\n",dev->name,cmd);
if (cmd==SIOCDEVPRIVATE) {
int x;
wl_ioctl_t *ioc = (wl_ioctl_t *)ifr->ifr_data;
unsigned char *buf = ioc->buf;
printk(" cmd: %d buf: 0x%08x len: %d\n",ioc->cmd,&(ioc->buf),ioc->len);
printk(" ->");
for (x=0;x<ioc->len && x<128 ;x++) {
printk("%02X",buf[x]);
}
printk("\n");
}
return ret;
}
#endif
static int __init wlcompat_init()
{
dev = dev_get_by_name("eth1");
#ifdef DEBUG
old_ioctl = dev->do_ioctl;
dev->do_ioctl = new_ioctl;
#endif
dev->wireless_handlers = (struct iw_handler_def *)&wlcompat_handler_def;
return 0;
}
static void __exit wlcompat_exit()
{
dev->wireless_handlers = NULL;
#ifdef DEBUG
dev->do_ioctl = old_ioctl;
#endif
return;
}
EXPORT_NO_SYMBOLS;
MODULE_AUTHOR("openwrt.org");
MODULE_LICENSE("GPL");
module_init(wlcompat_init);
module_exit(wlcompat_exit);