tSirRetStatus limGetStaHashBssidx(tpAniSirGlobal pMac, tANI_U16 assocId, tANI_U8 *bssidx, tpPESession psessionEntry)
{
tpDphHashNode pSta = dphGetHashEntry(pMac, assocId, &psessionEntry->dph.dphHashTable);
if (pSta == NULL)
{
PELOGE(limLog(pMac, LOGE, FL("invalid STA %d"), assocId);)
return eSIR_LIM_INVALID_STA;
/**
* pe_reset_protection_callback() - resets protection structs so that when an AP
* causing use of protection goes away, corresponding protection bit can be
* reset
* @ptr: pointer to pSessionEntry
*
* This function resets protection structs so that when an AP causing use of
* protection goes away, corresponding protection bit can be reset. This allowes
* protection bits to be reset once legacy overlapping APs are gone.
*
* Return: void
*/
void pe_reset_protection_callback(void *ptr)
{
tpPESession pe_session_entry = (tpPESession)ptr;
tpAniSirGlobal mac_ctx = (tpAniSirGlobal)pe_session_entry->mac_ctx;
int8_t i = 0;
tUpdateBeaconParams beacon_params;
tANI_U16 current_protection_state = 0;
tpDphHashNode station_hash_node = NULL;
if (pe_session_entry->valid == false) {
VOS_TRACE(VOS_MODULE_ID_PE,
VOS_TRACE_LEVEL_ERROR,
FL("session already deleted. exiting timer callback"));
return;
}
current_protection_state |=
pe_session_entry->gLimOverlap11gParams.protectionEnabled |
pe_session_entry->gLimOverlap11aParams.protectionEnabled << 1 |
pe_session_entry->gLimOverlapHt20Params.protectionEnabled << 2 |
pe_session_entry->gLimOverlapNonGfParams.protectionEnabled << 3 ;
VOS_TRACE(VOS_MODULE_ID_PE,
VOS_TRACE_LEVEL_INFO,
FL("old protection state: 0x%04X, "
"new protection state: 0x%04X\n"),
pe_session_entry->old_protection_state,
current_protection_state);
vos_mem_zero(&pe_session_entry->gLimOverlap11gParams,
sizeof(pe_session_entry->gLimOverlap11gParams));
vos_mem_zero(&pe_session_entry->gLimOverlap11aParams,
sizeof(pe_session_entry->gLimOverlap11aParams));
vos_mem_zero(&pe_session_entry->gLimOverlapHt20Params,
sizeof(pe_session_entry->gLimOverlapHt20Params));
vos_mem_zero(&pe_session_entry->gLimOverlapNonGfParams,
sizeof(pe_session_entry->gLimOverlapNonGfParams));
vos_mem_zero(&pe_session_entry->beaconParams,
sizeof(pe_session_entry->beaconParams));
/* index 0, is self node, peers start from 1 */
for(i = 1 ; i < mac_ctx->lim.gLimAssocStaLimit ; i++)
{
station_hash_node = dphGetHashEntry(mac_ctx, i,
&pe_session_entry->dph.dphHashTable);
if (NULL == station_hash_node)
continue;
limDecideApProtection(mac_ctx, station_hash_node->staAddr,
&beacon_params, pe_session_entry);
}
if ((current_protection_state != pe_session_entry->old_protection_state) &&
(VOS_FALSE == mac_ctx->sap.SapDfsInfo.is_dfs_cac_timer_running)) {
VOS_TRACE(VOS_MODULE_ID_PE,
VOS_TRACE_LEVEL_INFO,
FL("protection changed, update beacon template\n"));
/* update beacon fix params and send update to FW */
vos_mem_zero(&beacon_params, sizeof(tUpdateBeaconParams));
beacon_params.bssIdx = pe_session_entry->bssIdx;
beacon_params.fShortPreamble =
pe_session_entry->beaconParams.fShortPreamble;
beacon_params.beaconInterval =
pe_session_entry->beaconParams.beaconInterval;
beacon_params.llaCoexist =
pe_session_entry->beaconParams.llaCoexist;
beacon_params.llbCoexist =
pe_session_entry->beaconParams.llbCoexist;
beacon_params.llgCoexist =
pe_session_entry->beaconParams.llgCoexist;
beacon_params.ht20MhzCoexist =
pe_session_entry->beaconParams.ht20Coexist;
beacon_params.llnNonGFCoexist =
pe_session_entry->beaconParams.llnNonGFCoexist;
beacon_params.fLsigTXOPProtectionFullSupport =
pe_session_entry->beaconParams.fLsigTXOPProtectionFullSupport;
beacon_params.fRIFSMode =
pe_session_entry->beaconParams.fRIFSMode;
beacon_params.smeSessionId =
pe_session_entry->smeSessionId;
schSetFixedBeaconFields(mac_ctx, pe_session_entry);
limSendBeaconParams(mac_ctx, &beacon_params, pe_session_entry);
}
pe_session_entry->old_protection_state = current_protection_state;
if (VOS_STATUS_SUCCESS != vos_timer_start(
&pe_session_entry->protection_fields_reset_timer,
SCH_PROTECTION_RESET_TIME)) {
VOS_TRACE(VOS_MODULE_ID_PE,
VOS_TRACE_LEVEL_ERROR,
FL("cannot create or start protectionFieldsResetTimer\n"));
}
}
