mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-05 18:49:43 +02:00
28ee75241a
git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@581 3c298f89-4303-0410-b956-a3cf2f4a3e73
304 lines
7.0 KiB
C
304 lines
7.0 KiB
C
// insert header here
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// mbm. gpl.
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#include <linux/config.h>
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/if_arp.h>
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#include <asm/uaccess.h>
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#include <linux/wireless.h>
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#include <net/iw_handler.h>
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#include <wlioctl.h>
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#define DEBUG
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static struct net_device *dev;
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/* The frequency of each channel in MHz */
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const long channel_frequency[] = {
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2412, 2417, 2422, 2427, 2432, 2437, 2442,
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2447, 2452, 2457, 2462, 2467, 2472, 2484
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};
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#define NUM_CHANNELS ( sizeof(channel_frequency) / sizeof(channel_frequency[0]) )
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static int wl_ioctl(struct net_device *dev, int cmd, void *buf, int len)
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{
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mm_segment_t old_fs = get_fs();
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struct ifreq ifr;
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int ret;
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wl_ioctl_t ioc;
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ioc.cmd = cmd;
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ioc.buf = buf;
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ioc.len = len;
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strncpy(ifr.ifr_name, dev->name, IFNAMSIZ);
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ifr.ifr_data = (caddr_t) &ioc;
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set_fs(KERNEL_DS);
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ret = dev->do_ioctl(dev,&ifr,SIOCDEVPRIVATE);
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set_fs (old_fs);
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return ret;
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}
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static int wlcompat_ioctl_getiwrange(struct net_device *dev,
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char *extra)
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{
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int i, k;
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struct iw_range *range;
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range = (struct iw_range *) extra;
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range->we_version_compiled = WIRELESS_EXT;
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range->we_version_source = WIRELESS_EXT;
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range->min_nwid = range->max_nwid = 0;
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range->num_channels = NUM_CHANNELS;
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k = 0;
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for (i = 0; i < NUM_CHANNELS; i++) {
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range->freq[k].i = i + 1;
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range->freq[k].m = channel_frequency[i] * 100000;
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range->freq[k].e = 1;
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k++;
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if (k >= IW_MAX_FREQUENCIES)
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break;
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}
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range->num_frequency = k;
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range->sensitivity = 3;
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/* nbd: don't know what this means, but other drivers set it this way */
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range->pmp_flags = IW_POWER_PERIOD;
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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_rts = 0;
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range->max_rts = 2347;
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range->min_frag = 256;
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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_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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char *extra)
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{
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int err = 0;
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switch (info->cmd) {
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case SIOCGIWNAME:
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strcpy(wrqu->name, "IEEE 802.11-DS");
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break;
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case SIOCGIWFREQ:
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{
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channel_info_t ci;
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wl_ioctl(dev,WLC_GET_CHANNEL, &ci, sizeof(ci));
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wrqu->freq.m = ci.target_channel;
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wrqu->freq.e = 0;
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break;
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}
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case SIOCSIWFREQ:
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{
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if (wrqu->freq.e == 1) {
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int channel = 0;
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int f = wrqu->freq.m / 100000;
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while ((channel < NUM_CHANNELS + 1) && (f != channel_frequency[channel]))
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channel++;
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if (channel == NUM_CHANNELS) { // channel not found
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err = -EINVAL;
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} else {
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wrqu->freq.e = 0;
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wrqu->freq.m = channel + 1;
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}
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}
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if ((wrqu->freq.e == 0) && (wrqu->freq.m < 1000)) {
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wl_ioctl(dev, WLC_SET_CHANNEL, &wrqu->freq.m, sizeof(int));
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} else {
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err = -EINVAL;
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}
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}
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case SIOCGIWAP:
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{
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wrqu->ap_addr.sa_family = ARPHRD_ETHER;
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wl_ioctl(dev,WLC_GET_BSSID,wrqu->ap_addr.sa_data,6);
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break;
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}
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case SIOCGIWESSID:
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{
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wlc_ssid_t ssid;
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wl_ioctl(dev,WLC_GET_SSID, &ssid, sizeof(wlc_ssid_t));
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wrqu->essid.flags = wrqu->data.flags = 1;
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wrqu->essid.length = wrqu->data.length = ssid.SSID_len + 1;
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memcpy(extra,ssid.SSID,ssid.SSID_len + 1);
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break;
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}
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case SIOCSIWESSID:
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{
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wlc_ssid_t ssid;
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memset(&ssid, 0, sizeof(ssid));
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ssid.SSID_len = strlen(extra);
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if (ssid.SSID_len > WLC_ESSID_MAX_SIZE)
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ssid.SSID_len = WLC_ESSID_MAX_SIZE;
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memcpy(ssid.SSID, extra, ssid.SSID_len);
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wl_ioctl(dev, WLC_SET_SSID, &ssid, sizeof(ssid));
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break;
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}
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case SIOCGIWRTS:
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{
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wl_ioctl(dev,WLC_GET_RTS,&(wrqu->rts.value),sizeof(int));
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break;
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}
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case SIOCGIWFRAG:
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{
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wl_ioctl(dev,WLC_GET_FRAG,&(wrqu->frag.value),sizeof(int));
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break;
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}
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case SIOCGIWTXPOW:
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{
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wrqu->txpower.value = 0;
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wl_ioctl(dev,WLC_GET_TXPWR, &(wrqu->txpower.value), sizeof(int));
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wrqu->txpower.fixed = 0;
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wrqu->txpower.disabled = 0;
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wrqu->txpower.flags = IW_TXPOW_MWATT;
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break;
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}
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case SIOCSIWTXPOW:
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{
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if (wrqu->txpower.flags != IW_TXPOW_MWATT) {
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err = -EINVAL;
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} else {
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wl_ioctl(dev, WLC_SET_TXPWR, &wrqu->txpower.value, sizeof(int));
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}
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}
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case SIOCGIWENCODE:
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{
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wrqu->data.flags = IW_ENCODE_DISABLED;
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break;
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}
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case SIOCGIWRANGE:
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{
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err = wlcompat_ioctl_getiwrange(dev, extra);
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break;
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}
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default:
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{
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err = -EINVAL;
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break;
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}
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}
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return err;
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}
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static const iw_handler wlcompat_handler[] = {
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NULL, /* SIOCSIWCOMMIT */
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wlcompat_ioctl, /* SIOCGIWNAME */
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NULL, /* SIOCSIWNWID */
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NULL, /* SIOCGIWNWID */
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wlcompat_ioctl, /* SIOCSIWFREQ */
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wlcompat_ioctl, /* SIOCGIWFREQ */
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NULL, /* SIOCSIWMODE */
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NULL, /* SIOCGIWMODE */
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NULL, /* SIOCSIWSENS */
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NULL, /* SIOCGIWSENS */
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NULL, /* SIOCSIWRANGE */
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wlcompat_ioctl, /* SIOCGIWRANGE */
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NULL, /* SIOCSIWPRIV */
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NULL, /* SIOCGIWPRIV */
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NULL, /* SIOCSIWSTATS */
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NULL, /* SIOCGIWSTATS */
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iw_handler_set_spy, /* SIOCSIWSPY */
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iw_handler_get_spy, /* SIOCGIWSPY */
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iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
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iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
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NULL, /* SIOCSIWAP */
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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_ioctl, /* SIOCSIWESSID */
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wlcompat_ioctl, /* SIOCGIWESSID */
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NULL, /* SIOCSIWNICKN */
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NULL, /* SIOCGIWNICKN */
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NULL, /* -- hole -- */
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NULL, /* -- hole -- */
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NULL, /* SIOCSIWRATE */
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NULL, /* SIOCGIWRATE */
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NULL, /* SIOCSIWRTS */
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wlcompat_ioctl, /* SIOCGIWRTS */
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NULL, /* SIOCSIWFRAG */
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wlcompat_ioctl, /* SIOCGIWFRAG */
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wlcompat_ioctl, /* SIOCSIWTXPOW */
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wlcompat_ioctl, /* SIOCGIWTXPOW */
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NULL, /* SIOCSIWRETRY */
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NULL, /* SIOCGIWRETRY */
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NULL, /* SIOCSIWENCODE */
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wlcompat_ioctl, /* SIOCGIWENCODE */
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};
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static const struct iw_handler_def wlcompat_handler_def =
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{
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.standard = (iw_handler *) wlcompat_handler,
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.num_standard = sizeof(wlcompat_handler)/sizeof(iw_handler),
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.private = NULL,
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.num_private = 0,
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.private_args = NULL,
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.num_private_args = 0,
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};
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#ifdef DEBUG
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static int (*old_ioctl)(struct net_device *dev, struct ifreq *ifr, int cmd);
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static int new_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) {
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int ret = old_ioctl(dev,ifr,cmd);
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printk("dev: %s ioctl: 0x%04x\n",dev->name,cmd);
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if (cmd==SIOCDEVPRIVATE) {
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int x;
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wl_ioctl_t *ioc = (wl_ioctl_t *)ifr->ifr_data;
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unsigned char *buf = ioc->buf;
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printk(" cmd: %d buf: 0x%08x len: %d\n",ioc->cmd,&(ioc->buf),ioc->len);
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printk(" ->");
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for (x=0;x<ioc->len && x<128 ;x++) {
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printk("%02X",buf[x]);
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}
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printk("\n");
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}
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return ret;
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}
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#endif
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static int __init wlcompat_init()
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{
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dev = dev_get_by_name("eth1");
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#ifdef DEBUG
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old_ioctl = dev->do_ioctl;
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dev->do_ioctl = new_ioctl;
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#endif
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dev->wireless_handlers = (struct iw_handler_def *)&wlcompat_handler_def;
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return 0;
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}
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static void __exit wlcompat_exit()
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{
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dev->wireless_handlers = NULL;
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#ifdef DEBUG
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dev->do_ioctl = old_ioctl;
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#endif
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return;
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}
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EXPORT_NO_SYMBOLS;
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MODULE_AUTHOR("openwrt.org");
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MODULE_LICENSE("GPL");
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module_init(wlcompat_init);
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module_exit(wlcompat_exit);
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