/**
* @brief This function prepares domain info from scan table and
* downloads the domain info command to the FW.
*
* @param pmpriv A pointer to mlan_private structure
*
* @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE
*/
mlan_status
wlan_11d_prepare_dnld_domain_info_cmd(mlan_private * pmpriv)
{
mlan_status ret = MLAN_STATUS_SUCCESS;
mlan_adapter *pmadapter = pmpriv->adapter;
IEEEtypes_CountryInfoFullSet_t *pcountry_full = MNULL;
t_u32 idx;
ENTER();
/* Only valid if 11D is enabled */
if (wlan_11d_get_state(pmpriv) == ENABLE_11D &&
pmadapter->num_in_scan_table != 0) {
for (idx = 0; idx < pmadapter->num_in_scan_table; idx++) {
pcountry_full = &pmadapter->pscan_table[idx].country_info;
if (*(pcountry_full->country_code) == 0 ||
(pcountry_full->len <= COUNTRY_CODE_LEN)) {
/* Country info not found in the BSS descriptor */
ret =
wlan_11d_update_chan_pwr_table(pmpriv,
&pmadapter->
pscan_table[idx]);
} else {
/* Country info found in the BSS Descriptor */
ret =
wlan_11d_process_country_info(pmpriv,
&pmadapter->pscan_table[idx]);
/*
* If valid country IE found, in BSS, channel table is updated
* Send FW command
*/
if (ret == MLAN_STATUS_SUCCESS)
break;
}
}
/* Check if connected */
if (pmpriv->media_connected == MTRUE) {
ret =
wlan_11d_parse_dnld_countryinfo(pmpriv,
&pmpriv->curr_bss_params.
bss_descriptor);
} else {
ret = wlan_11d_parse_dnld_countryinfo(pmpriv, MNULL);
}
}
LEAVE();
return ret;
}
/**
* @brief This function prepares domain info from scan table and
* downloads the domain info command to the FW.
*
* @param pmpriv A pointer to mlan_private structure
*
* @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE
*/
mlan_status
wlan_11d_prepare_dnld_domain_info_cmd(mlan_private * pmpriv)
{
mlan_status ret = MLAN_STATUS_SUCCESS;
mlan_adapter *pmadapter = pmpriv->adapter;
IEEEtypes_CountryInfoFullSet_t *pcountry_full = MNULL;
t_u32 idx;
ENTER();
/* Only valid if 11D is enabled */
if (wlan_11d_is_enabled(pmpriv) && pmadapter->num_in_scan_table != 0) {
for (idx = 0; idx < pmadapter->num_in_scan_table; idx++) {
pcountry_full =
&pmadapter->pscan_table[idx].country_info;
ret = wlan_11d_update_chan_pwr_table(pmpriv,
&pmadapter->
pscan_table[idx]);
if (*(pcountry_full->country_code) != 0 &&
(pcountry_full->len > COUNTRY_CODE_LEN)) {
/* Country info found in the BSS Descriptor */
ret = wlan_11d_process_country_info(pmpriv,
&pmadapter->
pscan_table
[idx]);
}
}
/* Sort parsed_region_chan in ascending channel number */
wlan_11d_sort_parsed_region_chan(&pmadapter->
parsed_region_chan);
/* Check if connected */
if (pmpriv->media_connected == MTRUE) {
ret = wlan_11d_parse_dnld_countryinfo(pmpriv,
&pmpriv->
curr_bss_params.
bss_descriptor);
} else {
ret = wlan_11d_parse_dnld_countryinfo(pmpriv, MNULL);
}
}
LEAVE();
return ret;
}
/**
* @brief Process an TLV buffer for a pending BSS Join command for
* both adhoc and infra networks
*
* The TLV command processing for a BSS join for either adhoc or
* infrastructure network is performed with this function. The
* capability bits are inspected for the IBSS flag and the appropriate
* local routines are called to setup the necessary TLVs.
*
* Activate 11h functionality in the firmware if the spectrum management
* capability bit is found in the network information for the BSS we are
* joining.
*
* @param priv Private driver information structure
* @param ppbuffer Output parameter: Pointer to the TLV output buffer,
* modified on return to point after the appended 11h TLVs
* @param pcap_info Pointer to the capability info for the BSS to join
* @param channel Channel on which we are joining the BSS
* @param p11h_bss_info Pointer to the 11h BSS information for this
* network that was parsed out of the scan response.
*
* @return Integer number of bytes appended to the TLV output
* buffer (ppbuffer), MLAN_STATUS_FAILURE (-1),
* or MLAN_STATUS_SUCCESS (0)
*/
int
wlan_11h_process_join(mlan_private * priv,
t_u8 ** ppbuffer,
IEEEtypes_CapInfo_t * pcap_info,
t_u32 channel, wlan_11h_bss_info_t * p11h_bss_info)
{
int ret = 0;
ENTER();
if (priv->media_connected == MTRUE) {
if (wlan_11h_is_active(priv) == p11h_bss_info->sensed_11h) {
/* Assume DFS parameters are the same for roaming as long as the
current & next APs have the same spectrum mgmt capability bit
setting */
ret = MLAN_STATUS_SUCCESS;
} else {
/* No support for roaming between DFS/non-DFS yet */
ret = MLAN_STATUS_FAILURE;
}
LEAVE();
return ret;
}
if (p11h_bss_info->sensed_11h) {
/* No use having 11h enabled without 11d enabled */
wlan_11d_enable(priv, MNULL, ENABLE_11D);
wlan_11d_parse_dnld_countryinfo(priv, priv->pattempted_bss_desc);
/* Activate 11h functions in firmware, turns on capability bit */
wlan_11h_activate(priv, MTRUE);
pcap_info->spectrum_mgmt = 1;
if (pcap_info->ibss) {
PRINTM(MINFO, "11h: Adhoc join: Sensed\n");
ret = wlan_11h_process_adhoc(priv, ppbuffer, channel,
p11h_bss_info);
} else {
PRINTM(MINFO, "11h: Infra join: Sensed\n");
ret = wlan_11h_process_infra_join(priv, ppbuffer,
channel, p11h_bss_info);
}
} else {
/* Deactivate 11h functions in the firmware */
wlan_11h_activate(priv, MFALSE);
pcap_info->spectrum_mgmt = 0;
}
LEAVE();
return ret;
}