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git://projects.qi-hardware.com/openwrt-xburst.git
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add basic scanning to wlcompat
git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@590 3c298f89-4303-0410-b956-a3cf2f4a3e73
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@ -14,6 +14,7 @@
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#define DEBUG
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static struct net_device *dev;
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char buf[WLC_IOCTL_MAXLEN];
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/* The frequency of each channel in MHz */
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const long channel_frequency[] = {
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@ -70,6 +71,11 @@ static int wlcompat_ioctl_getiwrange(struct net_device *dev,
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range->pmt_flags = IW_POWER_TIMEOUT;
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range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_UNICAST_R;
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range->min_pmp = 0;
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range->max_pmp = 65535000;
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range->min_pmt = 0;
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range->max_pmt = 65535 * 1000;
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range->min_rts = 0;
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if (wl_ioctl(dev, WLC_GET_RTS, &range->max_rts, sizeof(int)) < 0)
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range->max_rts = 2347;
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@ -79,16 +85,100 @@ static int wlcompat_ioctl_getiwrange(struct net_device *dev,
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if (wl_ioctl(dev, WLC_GET_FRAG, &range->max_frag, sizeof(int)) < 0)
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range->max_frag = 2346;
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range->min_pmp = 0;
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range->max_pmp = 65535000;
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range->min_pmt = 0;
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range->max_pmt = 65535 * 1000;
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range->txpower_capa = IW_TXPOW_MWATT;
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return 0;
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}
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static int wlcompat_set_scan(struct net_device *dev,
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struct iw_request_info *info,
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union iwreq_data *wrqu,
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char *extra)
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{
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int ap = 0, oldap = 0;
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wl_scan_params_t params;
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memset(¶ms, 0, sizeof(params));
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/* use defaults (same parameters as wl scan) */
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memset(¶ms.bssid, 0xff, sizeof(params.bssid));
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params.bss_type = DOT11_BSSTYPE_ANY;
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params.scan_type = -1;
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params.nprobes = -1;
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params.active_time = -1;
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params.passive_time = -1;
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params.home_time = -1;
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/* can only scan in STA mode */
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wl_ioctl(dev, WLC_GET_AP, &oldap, sizeof(oldap));
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if (oldap > 0)
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wl_ioctl(dev, WLC_SET_AP, &ap, sizeof(ap));
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if (wl_ioctl(dev, WLC_SCAN, ¶ms, 64) < 0)
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return -EINVAL;
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if (oldap > 0)
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wl_ioctl(dev, WLC_SET_AP, &oldap, sizeof(oldap));
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return 0;
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}
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static int wlcompat_get_scan(struct net_device *dev,
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struct iw_request_info *info,
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union iwreq_data *wrqu,
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char *extra)
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{
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wl_scan_results_t *results = (wl_scan_results_t *) buf;
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wl_bss_info_t *bss_info;
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char *info_ptr;
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char *current_ev = extra;
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char *end_buf = extra + IW_SCAN_MAX_DATA;
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struct iw_event iwe;
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int i;
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if (wl_ioctl(dev, WLC_SCAN_RESULTS, buf, WLC_IOCTL_MAXLEN) < 0)
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return -EAGAIN;
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bss_info = &(results->bss_info[0]);
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info_ptr = (char *) bss_info;
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for (i = 0; i < results->count; i++) {
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/* send the cell address (must be sent first) */
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iwe.cmd = SIOCGIWAP;
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iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
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memcpy(&iwe.u.ap_addr.sa_data, &bss_info->BSSID, sizeof(bss_info->BSSID));
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current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
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/* send the ESSID */
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iwe.cmd = SIOCGIWESSID;
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iwe.u.data.length = bss_info->SSID_len;
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if (iwe.u.data.length > IW_ESSID_MAX_SIZE)
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iwe.u.data.length = IW_ESSID_MAX_SIZE;
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iwe.u.data.flags = 1;
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current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss_info->SSID);
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/* send frequency/channel info */
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iwe.cmd = SIOCGIWFREQ;
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iwe.u.freq.e = 0;
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iwe.u.freq.m = bss_info->channel;
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current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
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info_ptr += sizeof(wl_bss_info_t);
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if (bss_info->ie_length % 4)
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info_ptr += bss_info->ie_length + 4 - (bss_info->ie_length % 4);
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else
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info_ptr += bss_info->ie_length;
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bss_info = (wl_bss_info_t *) info_ptr;
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}
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wrqu->data.length = (current_ev - extra);
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wrqu->data.flags = 0;
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return 0;
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}
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static int wlcompat_ioctl(struct net_device *dev,
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struct iw_request_info *info,
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union iwreq_data *wrqu,
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@ -323,8 +413,8 @@ static const iw_handler wlcompat_handler[] = {
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wlcompat_ioctl, /* SIOCGIWAP */
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NULL, /* -- hole -- */
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NULL, /* SIOCGIWAPLIST */
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NULL, /* -- hole -- */
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NULL, /* -- hole -- */
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wlcompat_set_scan, /* SIOCSIWSCAN */
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wlcompat_get_scan, /* SIOCGIWSCAN */
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wlcompat_ioctl, /* SIOCSIWESSID */
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wlcompat_ioctl, /* SIOCGIWESSID */
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NULL, /* SIOCSIWNICKN */
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