-// insert header here
-// mbm. gpl.
+/*
+ * wlcompat.c
+ *
+ * Copyright (C) 2005 Mike Baker,
+ * Felix Fietkau <nbd@vd-s.ath.cx>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * $Id$
+ */
+
#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)
{
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, j;
+
+ 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(j = 0 ; j < bss_info->rateset.count ; j++) {
+ iwe.u.bitrate.value = ((bss_info->rateset.rates[j] & 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,
case SIOCGIWFREQ:
{
channel_info_t ci;
- wl_ioctl(dev,WLC_GET_CHANNEL, &ci, sizeof(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;
- wl_ioctl(dev,WLC_GET_BSSID,wrqu->ap_addr.sa_data,6);
+ if (wl_ioctl(dev,WLC_GET_BSSID,wrqu->ap_addr.sa_data,6) < 0)
+ return -EINVAL;
break;
}
case SIOCGIWESSID:
{
wlc_ssid_t ssid;
- wl_ioctl(dev,WLC_GET_SSID, &ssid, sizeof(wlc_ssid_t));
+
+ 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:
{
- wl_ioctl(dev,WLC_GET_RTS,&(wrqu->rts.value),sizeof(int));
+ 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:
{
- wl_ioctl(dev,WLC_GET_FRAG,&(wrqu->frag.value),sizeof(int));
+ 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;
- wl_ioctl(dev,WLC_GET_TXPWR, &(wrqu->txpower.value), sizeof(int));
+ 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, /* SIOCSIWNAME */
+ NULL, /* SIOCSIWCOMMIT */
wlcompat_ioctl, /* SIOCGIWNAME */
NULL, /* SIOCSIWNWID */
NULL, /* SIOCGIWNWID */
- NULL, /* SIOCSIWFREQ */
+ wlcompat_ioctl, /* SIOCSIWFREQ */
wlcompat_ioctl, /* SIOCGIWFREQ */
- NULL, /* SIOCSIWMODE */
- NULL, /* SIOCGIWMODE */
+ wlcompat_ioctl, /* SIOCSIWMODE */
+ wlcompat_ioctl, /* SIOCGIWMODE */
NULL, /* SIOCSIWSENS */
NULL, /* SIOCGIWSENS */
- NULL, /* SIOCSIWRANGE */
- NULL, /* SIOCGIWRANGE */
+ NULL, /* SIOCSIWRANGE, unused */
+ wlcompat_ioctl, /* SIOCGIWRANGE */
NULL, /* SIOCSIWPRIV */
NULL, /* SIOCGIWPRIV */
NULL, /* SIOCSIWSTATS */
wlcompat_ioctl, /* SIOCGIWAP */
NULL, /* -- hole -- */
NULL, /* SIOCGIWAPLIST */
- NULL, /* -- hole -- */
- NULL, /* -- hole -- */
- NULL, /* SIOCSIWESSID */
+ wlcompat_set_scan, /* SIOCSIWSCAN */
+ wlcompat_get_scan, /* SIOCGIWSCAN */
+ wlcompat_ioctl, /* SIOCSIWESSID */
wlcompat_ioctl, /* SIOCGIWESSID */
NULL, /* SIOCSIWNICKN */
NULL, /* SIOCGIWNICKN */
NULL, /* -- hole -- */
NULL, /* SIOCSIWRATE */
NULL, /* SIOCGIWRATE */
- NULL, /* SIOCSIWRTS */
+ wlcompat_ioctl, /* SIOCSIWRTS */
wlcompat_ioctl, /* SIOCGIWRTS */
- NULL, /* SIOCSIWFRAG */
+ wlcompat_ioctl, /* SIOCSIWFRAG */
wlcompat_ioctl, /* SIOCGIWFRAG */
- NULL, /* SIOCSIWTXPOW */
+ wlcompat_ioctl, /* SIOCSIWTXPOW */
wlcompat_ioctl, /* SIOCGIWTXPOW */
NULL, /* SIOCSIWRETRY */
NULL, /* SIOCGIWRETRY */
projects / openwrt.git / blobdiff