void ieee80211_sta_create_ibss()
{
int i;
#if IEEE80211_IBSS_DEBUG
printf("IBSS: Creating default Ad-hoc network...\n");
#endif
_ieee80211_sta_update_info();
uint16_t capability;
#if IEEE80211_IBSS_DEBUG
printf("IBSS: Network name is 'Disney'. \n");
printf("BSSID: ");
for(i=0; i<ETH_ALEN; i++)
printf("%02x:",ibss_info->ibss_bssid[i]);
printf("\r\n");
#endif
/* Privacy capabilities */
capability = WLAN_CAPABILITY_IBSS | WLAN_CAPABILITY_PRIVACY ;
/* Join this IBSS */
__ieee80211_sta_join_ibss(1, capability, 0);
/* The IBSS is now initialized */
ibss_info->is_initialized = true;
/* Update indicator flag that IBSS is joined */
ieee80211_is_ibss_joined_flag = true;
}
static void ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
struct ieee80211_bss *bss)
{
struct cfg80211_bss *cbss =
container_of((void *)bss, struct cfg80211_bss, priv);
struct ieee80211_supported_band *sband;
u32 basic_rates;
int i, j;
u16 beacon_int = cbss->beacon_interval;
lockdep_assert_held(&sdata->u.ibss.mtx);
if (beacon_int < 10)
beacon_int = 10;
sband = sdata->local->hw.wiphy->bands[cbss->channel->band];
basic_rates = 0;
for (i = 0; i < bss->supp_rates_len; i++) {
int rate = (bss->supp_rates[i] & 0x7f) * 5;
bool is_basic = !!(bss->supp_rates[i] & 0x80);
for (j = 0; j < sband->n_bitrates; j++) {
if (sband->bitrates[j].bitrate == rate) {
if (is_basic)
basic_rates |= BIT(j);
break;
}
}
}
__ieee80211_sta_join_ibss(sdata, cbss->bssid,
beacon_int,
cbss->channel,
basic_rates,
cbss->capability,
cbss->tsf);
}
void ieee80211_sta_join_ibss(U16 _beacon_interval, U16 _atim_window, U8* _name)
{
int i;
#if IEEE80211_IBSS_DEBUG_DEEP
printf("IBSS: Joining default Ad-hoc network...\n");
#endif
_ieee80211_sta_update_info();
uint16_t capability;
/* Privacy capabilities */
capability = WLAN_CAPABILITY_IBSS | WLAN_CAPABILITY_PRIVACY ;
/* Override & Accept the received beacon interval */
unique_vif->bss_conf.beacon_int = _beacon_interval;
/* Override & Accept the received ATIM window */
unique_vif->bss_conf.atim_window = _atim_window;
/* Override & Accept the received network name */
memcpy(ibss_info->ibss_name, _name , ETH_ALEN);
/* Join this IBSS */
__ieee80211_sta_join_ibss(1, capability, 0);
/* The IBSS is now initialized */
ibss_info->is_initialized = true;
/* Update indicator flag that IBSS is joined */
ieee80211_is_ibss_joined_flag = true;
/* We could let the IBSS_SETUP_PROCESS event timer
* to simply expire, and update the status of the
* IBSS, however, we prefer to force it to stop
* waiting and update the state now.
*/
process_post(&ibss_setup_process, PROCESS_EVENT_CONTINUE, NULL);
}
