/**
* @brief Set frequency/channel
*
* @param dev A pointer to net_device structure
* @param info A pointer to iw_request_info structure
* @param fwrq A pointer to iw_freq structure
* @param extra A pointer to extra data buf
*
* @return 0 --success, otherwise fail
*/
static int
woal_set_freq(struct net_device *dev, struct iw_request_info *info,
struct iw_freq *fwrq, char *extra)
{
moal_private *priv = (moal_private *) netdev_priv(dev);
mlan_uap_bss_param sys_cfg, ap_cfg;
int ret = 0, chan = 0, i = 0;
ENTER();
if (MLAN_STATUS_SUCCESS !=
woal_set_get_sys_config(priv, MLAN_ACT_GET, &ap_cfg)) {
PRINTM(MERROR, "Error getting AP confiruration\n");
ret = -EFAULT;
goto done;
}
i = ap_cfg.chan_list.num_of_chan;
/* Initialize the invalid values so that the correct values below are
downloaded to firmware */
woal_set_sys_config_invalid_data(&sys_cfg);
/* If setting by frequency, convert to a channel */
if (fwrq->e == 1)
chan = freq_to_chan(fwrq->m / 100000);
else
chan = fwrq->m;
if (chan > 0 && chan < MAX_CHANNEL)
sys_cfg.channel = chan;
else {
ret = -EINVAL;
goto done;
}
for (i = 0; i < ap_cfg.chan_list.num_of_chan; i++)
if (ap_cfg.chan_list.chan[i] == chan)
break;
if (i == ap_cfg.chan_list.num_of_chan) {
PRINTM(MERROR, "Channel %d is not supported\n", chan);
ret = -EINVAL;
goto done;
}
if (MLAN_STATUS_SUCCESS !=
woal_set_get_sys_config(priv, MLAN_ACT_SET, &sys_cfg)) {
PRINTM(MERROR, "Error setting AP confiruration\n");
ret = -EFAULT;
goto done;
}
done:
LEAVE();
return ret;
}
int
kernel_interface_channel(const char *ifname, int ifindex)
{
struct iwreq_subset iwreq;
int rc;
memset(&iwreq, 0, sizeof(iwreq));
strncpy(iwreq.ifr_ifrn.ifrn_name, ifname, IFNAMSIZ);
rc = ioctl(dgram_socket, SIOCGIWFREQ, &iwreq);
if(rc >= 0)
return freq_to_chan(&iwreq.u.freq);
else
return -1;
}
