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add basic scanning to wlcompat

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@590 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2005-04-08 21:00:45 +00:00
parent 35d2f657b5
commit 2e82ad88dc
1 changed files with 97 additions and 7 deletions
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104
package/openwrt/wlcompat.c
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@ -14,6 +14,7 @@
#define DEBUG
static struct net_device *dev;
char buf[WLC_IOCTL_MAXLEN];
/* The frequency of each channel in MHz */
const long channel_frequency[] = {
@ -70,6 +71,11 @@ static int wlcompat_ioctl_getiwrange(struct net_device *dev,
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;
@ -79,16 +85,100 @@ static int wlcompat_ioctl_getiwrange(struct net_device *dev,
if (wl_ioctl(dev, WLC_GET_FRAG, &range->max_frag, sizeof(int)) < 0)
range->max_frag = 2346;
range->min_pmp = 0;
range->max_pmp = 65535000;
range->min_pmt = 0;
range->max_pmt = 65535 * 1000;
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(&params, 0, sizeof(params));
/* use defaults (same parameters as wl scan) */
memset(&params.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, &params, 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 *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);
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,
@ -323,8 +413,8 @@ static const iw_handler wlcompat_handler[] = {
wlcompat_ioctl, /* SIOCGIWAP */
NULL, /* -- hole -- */
NULL, /* SIOCGIWAPLIST */
NULL, /* -- hole -- */
NULL, /* -- hole -- */
wlcompat_set_scan, /* SIOCSIWSCAN */
wlcompat_get_scan, /* SIOCGIWSCAN */
wlcompat_ioctl, /* SIOCSIWESSID */
wlcompat_ioctl, /* SIOCGIWESSID */
NULL, /* SIOCSIWNICKN */