/**
* reload_hw_mode_done - Callback for after the HW mode is setup
* @hapd_iface: Pointer to interface data.
* @status: Status of the HW mode setup.
*/
static void reload_hw_mode_done(struct hostapd_iface *hapd_iface, int status)
{
struct hostapd_data *hapd = hapd_iface->bss[0];
struct hostapd_config_change *change = hapd_iface->change;
struct hostapd_config *newconf = change->newconf;
hostapd_iface_cb cb;
int freq;
if (status) {
printf("Failed to select hw_mode.\n");
cb = hapd_iface->reload_iface_cb;
hapd_iface->reload_iface_cb = NULL;
cb(hapd_iface, -1);
return;
}
freq = hostapd_hw_get_freq(hapd, newconf->channel);
HOSTAPD_DEBUG(HOSTAPD_DEBUG_MINIMAL,
"Mode: %s Channel: %d Frequency: %d MHz\n",
hostapd_hw_mode_txt(newconf->hw_mode),
newconf->channel, freq);
if (hostapd_set_freq(hapd, newconf->hw_mode, freq)) {
printf("Could not set channel %d (%d MHz) for kernel "
"driver\n", newconf->channel, freq);
}
change->beacon_changed++;
reload_iface2(hapd_iface);
}
void SET_FREQ_handle(int fd, u8 *buf, int len, void *hapd){
struct hostapd_data *h = hapd;
char str[5][10];
int i,j=0;
int cnt = 0;
for(i=0; i<len; i++){
if(buf[i]==' '){
str[cnt][j] = 0;
j = 0;
cnt++;
}else{
str[cnt][j] = buf[i];
j++;
}
}
wl.freq_params.freq = atoi(str[0]);
wl.freq_params.sec_channel_offset = atoi(str[1]);
wl.freq_params.ht_enabled = atoi(str[2]);
wl.freq_params.channel = atoi(str[3]);
wl.freq_params.mode = atoi(str[4]);
int ret = hostapd_set_freq(h, wl.freq_params.mode, wl.freq_params.freq, wl.freq_params.channel,
wl.freq_params.ht_enabled, wl.freq_params.sec_channel_offset);
u8 ret_str[10];
sprintf(ret_str, "%d", ret);
send_response(fd, SET_FREQ_R, ret_str, strlen(ret_str));
}
int hostapd_reload_config(struct hostapd_iface *iface)
{
struct hostapd_data *hapd = iface->bss[0];
struct hostapd_config *newconf, *oldconf;
size_t j;
if (iface->interfaces == NULL ||
iface->interfaces->config_read_cb == NULL)
return -1;
newconf = iface->interfaces->config_read_cb(iface->config_fname);
if (newconf == NULL)
return -1;
/*
* Deauthenticate all stations since the new configuration may not
* allow them to use the BSS anymore.
*/
for (j = 0; j < iface->num_bss; j++) {
hostapd_flush_old_stations(iface->bss[j],
WLAN_REASON_PREV_AUTH_NOT_VALID);
hostapd_broadcast_wep_clear(iface->bss[j]);
#ifndef CONFIG_NO_RADIUS
/* TODO: update dynamic data based on changed configuration
* items (e.g., open/close sockets, etc.) */
radius_client_flush(iface->bss[j]->radius, 0);
#endif /* CONFIG_NO_RADIUS */
}
oldconf = hapd->iconf;
iface->conf = newconf;
hostapd_select_hw_mode(iface);
iface->freq = hostapd_hw_get_freq(hapd, newconf->channel);
if (hostapd_set_freq(hapd, newconf->hw_mode, iface->freq,
newconf->channel,
newconf->ieee80211n,
newconf->secondary_channel)) {
wpa_printf(MSG_ERROR, "Could not set channel for "
"kernel driver");
}
if (iface->current_mode)
hostapd_prepare_rates(iface, iface->current_mode);
for (j = 0; j < iface->num_bss; j++) {
hapd = iface->bss[j];
hapd->iconf = newconf;
hapd->conf = &newconf->bss[j];
hostapd_reload_bss(hapd);
}
hostapd_config_free(oldconf);
return 0;
}
void hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht,
int offset)
{
#ifdef NEED_AP_MLME
int channel;
hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_INFO, "driver had channel switch: "
"freq=%d, ht=%d, offset=%d", freq, ht, offset);
channel = hostapd_hw_get_channel(hapd, freq);
if (!channel) {
hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_WARNING, "driver switched to "
"bad channel!");
return;
}
hapd->iconf->channel = channel;
hapd->iconf->ieee80211n = ht;
hapd->iconf->secondary_channel = offset;
if (hapd->iface->freq == freq)
return;
hapd->iface->freq = freq;
if (hostapd_set_freq(hapd, hapd->iconf->hw_mode, freq,
hapd->iconf->channel,
hapd->iconf->ieee80211n,
hapd->iconf->secondary_channel)) {
hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_WARNING,
"failed to update the freq !");
return;
}
hapd->next_channel = NULL;
/* update the DS IE */
ieee802_11_set_beacon(hapd);
wpa_printf(MSG_DEBUG, "AP/GO moved to channel %d", channel);
#endif /* NEED_AP_MLME */
}
static void hostapd_set_force_20mhz(struct hostapd_iface *iface)
{
int secondary_channel;
int i;
ieee802_11_set_beacons(iface);
for (i = 0; i < iface->num_bss; i++) {
struct hostapd_data *hapd = iface->bss[i];
if (iface->force_20mhz)
secondary_channel = 0;
else
secondary_channel = hapd->iconf->secondary_channel;
if (hostapd_set_freq(hapd, hapd->iconf->hw_mode, iface->freq,
hapd->iconf->channel,
hapd->iconf->ieee80211n,
secondary_channel)) {
wpa_printf(MSG_ERROR, "Could not set channel for "
"kernel driver");
}
}
}
