mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-05 18:49:43 +02:00
8103e50607
git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@591 3c298f89-4303-0410-b956-a3cf2f4a3e73
514 lines
12 KiB
C
514 lines
12 KiB
C
// 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 <linux/wireless.h>
|
|
|
|
#include <net/iw_handler.h>
|
|
#include <wlioctl.h>
|
|
|
|
#define DEBUG
|
|
|
|
static struct net_device *dev;
|
|
char buf[WLC_IOCTL_MAXLEN];
|
|
|
|
/* The frequency of each channel in MHz */
|
|
const long channel_frequency[] = {
|
|
2412, 2417, 2422, 2427, 2432, 2437, 2442,
|
|
2447, 2452, 2457, 2462, 2467, 2472, 2484
|
|
};
|
|
#define NUM_CHANNELS ( sizeof(channel_frequency) / sizeof(channel_frequency[0]) )
|
|
|
|
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_getiwrange(struct net_device *dev,
|
|
char *extra)
|
|
{
|
|
int i, k;
|
|
struct iw_range *range;
|
|
|
|
range = (struct iw_range *) extra;
|
|
|
|
range->we_version_compiled = WIRELESS_EXT;
|
|
range->we_version_source = WIRELESS_EXT;
|
|
|
|
range->min_nwid = range->max_nwid = 0;
|
|
|
|
range->num_channels = NUM_CHANNELS;
|
|
k = 0;
|
|
for (i = 0; i < NUM_CHANNELS; i++) {
|
|
range->freq[k].i = i + 1;
|
|
range->freq[k].m = channel_frequency[i] * 100000;
|
|
range->freq[k].e = 1;
|
|
k++;
|
|
if (k >= IW_MAX_FREQUENCIES)
|
|
break;
|
|
}
|
|
range->num_frequency = k;
|
|
range->sensitivity = 3;
|
|
|
|
/* nbd: don't know what this means, but other drivers set it this way */
|
|
range->pmp_flags = IW_POWER_PERIOD;
|
|
range->pmt_flags = IW_POWER_TIMEOUT;
|
|
range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_UNICAST_R;
|
|
|
|
range->min_pmp = 0;
|
|
range->max_pmp = 65535000;
|
|
range->min_pmt = 0;
|
|
range->max_pmt = 65535 * 1000;
|
|
|
|
range->min_rts = 0;
|
|
if (wl_ioctl(dev, WLC_GET_RTS, &range->max_rts, sizeof(int)) < 0)
|
|
range->max_rts = 2347;
|
|
|
|
range->min_frag = 256;
|
|
|
|
if (wl_ioctl(dev, WLC_GET_FRAG, &range->max_frag, sizeof(int)) < 0)
|
|
range->max_frag = 2346;
|
|
|
|
range->txpower_capa = IW_TXPOW_MWATT;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int wlcompat_set_scan(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
union iwreq_data *wrqu,
|
|
char *extra)
|
|
{
|
|
int ap = 0, oldap = 0;
|
|
wl_scan_params_t params;
|
|
|
|
memset(¶ms, 0, sizeof(params));
|
|
|
|
/* use defaults (same parameters as wl scan) */
|
|
memset(¶ms.bssid, 0xff, sizeof(params.bssid));
|
|
params.bss_type = DOT11_BSSTYPE_ANY;
|
|
params.scan_type = -1;
|
|
params.nprobes = -1;
|
|
params.active_time = -1;
|
|
params.passive_time = -1;
|
|
params.home_time = -1;
|
|
|
|
/* can only scan in STA mode */
|
|
wl_ioctl(dev, WLC_GET_AP, &oldap, sizeof(oldap));
|
|
if (oldap > 0)
|
|
wl_ioctl(dev, WLC_SET_AP, &ap, sizeof(ap));
|
|
|
|
if (wl_ioctl(dev, WLC_SCAN, ¶ms, 64) < 0)
|
|
return -EINVAL;
|
|
|
|
if (oldap > 0)
|
|
wl_ioctl(dev, WLC_SET_AP, &oldap, sizeof(oldap));
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int wlcompat_get_scan(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
union iwreq_data *wrqu,
|
|
char *extra)
|
|
{
|
|
wl_scan_results_t *results = (wl_scan_results_t *) buf;
|
|
wl_bss_info_t *bss_info;
|
|
char *info_ptr;
|
|
char *current_ev = extra;
|
|
char *current_val;
|
|
char *end_buf = extra + IW_SCAN_MAX_DATA;
|
|
struct iw_event iwe;
|
|
int i;
|
|
|
|
if (wl_ioctl(dev, WLC_SCAN_RESULTS, buf, WLC_IOCTL_MAXLEN) < 0)
|
|
return -EAGAIN;
|
|
|
|
bss_info = &(results->bss_info[0]);
|
|
info_ptr = (char *) bss_info;
|
|
for (i = 0; i < results->count; i++) {
|
|
|
|
/* send the cell address (must be sent first) */
|
|
iwe.cmd = SIOCGIWAP;
|
|
iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
|
|
memcpy(&iwe.u.ap_addr.sa_data, &bss_info->BSSID, sizeof(bss_info->BSSID));
|
|
current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
|
|
|
|
/* send the ESSID */
|
|
iwe.cmd = SIOCGIWESSID;
|
|
iwe.u.data.length = bss_info->SSID_len;
|
|
if (iwe.u.data.length > IW_ESSID_MAX_SIZE)
|
|
iwe.u.data.length = IW_ESSID_MAX_SIZE;
|
|
iwe.u.data.flags = 1;
|
|
current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss_info->SSID);
|
|
|
|
/* send frequency/channel info */
|
|
iwe.cmd = SIOCGIWFREQ;
|
|
iwe.u.freq.e = 0;
|
|
iwe.u.freq.m = bss_info->channel;
|
|
current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
|
|
|
|
/* add quality statistics */
|
|
iwe.cmd = IWEVQUAL;
|
|
iwe.u.qual.level = bss_info->RSSI;
|
|
iwe.u.qual.noise = bss_info->phy_noise;
|
|
iwe.u.qual.qual = 0;
|
|
current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
|
|
|
|
/* send rate information */
|
|
iwe.cmd = SIOCGIWRATE;
|
|
current_val = current_ev + IW_EV_LCP_LEN;
|
|
iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
|
|
|
|
for(i = 0 ; i < bss_info->rateset.count ; i++) {
|
|
iwe.u.bitrate.value = ((bss_info->rateset.rates[i] & 0x7f) * 500000);
|
|
current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
|
|
}
|
|
if((current_val - current_ev) > IW_EV_LCP_LEN)
|
|
current_ev = current_val;
|
|
|
|
info_ptr += sizeof(wl_bss_info_t);
|
|
if (bss_info->ie_length % 4)
|
|
info_ptr += bss_info->ie_length + 4 - (bss_info->ie_length % 4);
|
|
else
|
|
info_ptr += bss_info->ie_length;
|
|
bss_info = (wl_bss_info_t *) info_ptr;
|
|
}
|
|
|
|
wrqu->data.length = (current_ev - extra);
|
|
wrqu->data.flags = 0;
|
|
|
|
return 0;
|
|
}
|
|
|
|
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;
|
|
|
|
if (wl_ioctl(dev,WLC_GET_CHANNEL, &ci, sizeof(ci)) < 0)
|
|
return -EINVAL;
|
|
|
|
wrqu->freq.m = ci.target_channel;
|
|
wrqu->freq.e = 0;
|
|
break;
|
|
}
|
|
case SIOCSIWFREQ:
|
|
{
|
|
if (wrqu->freq.e == 1) {
|
|
int channel = 0;
|
|
int f = wrqu->freq.m / 100000;
|
|
while ((channel < NUM_CHANNELS + 1) && (f != channel_frequency[channel]))
|
|
channel++;
|
|
|
|
if (channel == NUM_CHANNELS) // channel not found
|
|
return -EINVAL;
|
|
|
|
wrqu->freq.e = 0;
|
|
wrqu->freq.m = channel + 1;
|
|
}
|
|
if ((wrqu->freq.e == 0) && (wrqu->freq.m < 1000)) {
|
|
if (wl_ioctl(dev, WLC_SET_CHANNEL, &wrqu->freq.m, sizeof(int)) < 0)
|
|
return -EINVAL;
|
|
} else {
|
|
return -EINVAL;
|
|
}
|
|
break;
|
|
}
|
|
case SIOCGIWAP:
|
|
{
|
|
wrqu->ap_addr.sa_family = ARPHRD_ETHER;
|
|
if (wl_ioctl(dev,WLC_GET_BSSID,wrqu->ap_addr.sa_data,6) < 0)
|
|
return -EINVAL;
|
|
break;
|
|
}
|
|
case SIOCGIWESSID:
|
|
{
|
|
wlc_ssid_t ssid;
|
|
|
|
if (wl_ioctl(dev,WLC_GET_SSID, &ssid, sizeof(wlc_ssid_t)) < 0)
|
|
return -EINVAL;
|
|
|
|
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 SIOCSIWESSID:
|
|
{
|
|
wlc_ssid_t ssid;
|
|
memset(&ssid, 0, sizeof(ssid));
|
|
ssid.SSID_len = strlen(extra);
|
|
if (ssid.SSID_len > WLC_ESSID_MAX_SIZE)
|
|
ssid.SSID_len = WLC_ESSID_MAX_SIZE;
|
|
memcpy(ssid.SSID, extra, ssid.SSID_len);
|
|
if (wl_ioctl(dev, WLC_SET_SSID, &ssid, sizeof(ssid)) < 0)
|
|
return -EINVAL;
|
|
break;
|
|
}
|
|
case SIOCGIWRTS:
|
|
{
|
|
if (wl_ioctl(dev,WLC_GET_RTS,&(wrqu->rts.value),sizeof(int)) < 0)
|
|
return -EINVAL;
|
|
break;
|
|
}
|
|
case SIOCSIWRTS:
|
|
{
|
|
if (wl_ioctl(dev,WLC_SET_RTS,&(wrqu->rts.value),sizeof(int)) < 0)
|
|
return -EINVAL;
|
|
break;
|
|
}
|
|
case SIOCGIWFRAG:
|
|
{
|
|
if (wl_ioctl(dev,WLC_GET_FRAG,&(wrqu->frag.value),sizeof(int)) < 0)
|
|
return -EINVAL;
|
|
break;
|
|
}
|
|
case SIOCSIWFRAG:
|
|
{
|
|
if (wl_ioctl(dev,WLC_SET_FRAG,&(wrqu->frag.value),sizeof(int)) < 0)
|
|
return -EINVAL;
|
|
break;
|
|
}
|
|
case SIOCGIWTXPOW:
|
|
{
|
|
wrqu->txpower.value = 0;
|
|
if (wl_ioctl(dev,WLC_GET_TXPWR, &(wrqu->txpower.value), sizeof(int)) < 0)
|
|
return -EINVAL;
|
|
wrqu->txpower.fixed = 0;
|
|
wrqu->txpower.disabled = 0;
|
|
wrqu->txpower.flags = IW_TXPOW_MWATT;
|
|
break;
|
|
}
|
|
case SIOCSIWTXPOW:
|
|
{
|
|
if (wrqu->txpower.flags != IW_TXPOW_MWATT)
|
|
return -EINVAL;
|
|
|
|
if (wl_ioctl(dev, WLC_SET_TXPWR, &wrqu->txpower.value, sizeof(int)) < 0)
|
|
return -EINVAL;
|
|
}
|
|
case SIOCGIWENCODE:
|
|
{
|
|
wrqu->data.flags = IW_ENCODE_DISABLED;
|
|
break;
|
|
}
|
|
case SIOCGIWRANGE:
|
|
{
|
|
return wlcompat_ioctl_getiwrange(dev, extra);
|
|
break;
|
|
}
|
|
case SIOCSIWMODE:
|
|
{
|
|
int ap = -1, infra = -1, passive = 0, wet = 0;
|
|
|
|
switch (wrqu->mode) {
|
|
case IW_MODE_MONITOR:
|
|
passive = 1;
|
|
break;
|
|
case IW_MODE_ADHOC:
|
|
infra = 0;
|
|
ap = 0;
|
|
break;
|
|
case IW_MODE_MASTER:
|
|
infra = 1;
|
|
ap = 1;
|
|
break;
|
|
case IW_MODE_INFRA:
|
|
infra = 1;
|
|
ap = 0;
|
|
break;
|
|
case IW_MODE_REPEAT:
|
|
infra = 1;
|
|
ap = 0;
|
|
wet = 1;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (wl_ioctl(dev, WLC_SET_PASSIVE, &passive, sizeof(passive)) < 0)
|
|
return -EINVAL;
|
|
if (wl_ioctl(dev, WLC_SET_MONITOR, &passive, sizeof(passive)) < 0)
|
|
return -EINVAL;
|
|
if (wl_ioctl(dev, WLC_SET_WET, &wet, sizeof(wet)) < 0)
|
|
return -EINVAL;
|
|
if (ap >= 0)
|
|
if (wl_ioctl(dev, WLC_SET_AP, &ap, sizeof(ap)) < 0)
|
|
return -EINVAL;
|
|
if (infra >= 0)
|
|
if (wl_ioctl(dev, WLC_SET_INFRA, &infra, sizeof(infra)) < 0)
|
|
return -EINVAL;
|
|
|
|
break;
|
|
|
|
}
|
|
case SIOCGIWMODE:
|
|
{
|
|
int ap, infra, wet, passive;
|
|
|
|
if (wl_ioctl(dev, WLC_GET_AP, &ap, sizeof(ap)) < 0)
|
|
return -EINVAL;
|
|
if (wl_ioctl(dev, WLC_GET_INFRA, &infra, sizeof(infra)) < 0)
|
|
return -EINVAL;
|
|
if (wl_ioctl(dev, WLC_GET_PASSIVE, &passive, sizeof(passive)) < 0)
|
|
return -EINVAL;
|
|
if (wl_ioctl(dev, WLC_GET_WET, &wet, sizeof(wet)) < 0)
|
|
return -EINVAL;
|
|
|
|
if (passive) {
|
|
wrqu->mode = IW_MODE_MONITOR;
|
|
} else if (!infra) {
|
|
wrqu->mode = IW_MODE_ADHOC;
|
|
} else {
|
|
if (ap) {
|
|
wrqu->mode = IW_MODE_MASTER;
|
|
} else {
|
|
if (wet) {
|
|
wrqu->mode = IW_MODE_REPEAT;
|
|
} else {
|
|
wrqu->mode = IW_MODE_INFRA;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
{
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const iw_handler wlcompat_handler[] = {
|
|
NULL, /* SIOCSIWCOMMIT */
|
|
wlcompat_ioctl, /* SIOCGIWNAME */
|
|
NULL, /* SIOCSIWNWID */
|
|
NULL, /* SIOCGIWNWID */
|
|
wlcompat_ioctl, /* SIOCSIWFREQ */
|
|
wlcompat_ioctl, /* SIOCGIWFREQ */
|
|
wlcompat_ioctl, /* SIOCSIWMODE */
|
|
wlcompat_ioctl, /* SIOCGIWMODE */
|
|
NULL, /* SIOCSIWSENS */
|
|
NULL, /* SIOCGIWSENS */
|
|
NULL, /* SIOCSIWRANGE, unused */
|
|
wlcompat_ioctl, /* 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 */
|
|
wlcompat_set_scan, /* SIOCSIWSCAN */
|
|
wlcompat_get_scan, /* SIOCGIWSCAN */
|
|
wlcompat_ioctl, /* SIOCSIWESSID */
|
|
wlcompat_ioctl, /* SIOCGIWESSID */
|
|
NULL, /* SIOCSIWNICKN */
|
|
NULL, /* SIOCGIWNICKN */
|
|
NULL, /* -- hole -- */
|
|
NULL, /* -- hole -- */
|
|
NULL, /* SIOCSIWRATE */
|
|
NULL, /* SIOCGIWRATE */
|
|
wlcompat_ioctl, /* SIOCSIWRTS */
|
|
wlcompat_ioctl, /* SIOCGIWRTS */
|
|
wlcompat_ioctl, /* SIOCSIWFRAG */
|
|
wlcompat_ioctl, /* SIOCGIWFRAG */
|
|
wlcompat_ioctl, /* 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);
|