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gerrit-public.fairphone.software / platform / vendor / qcom-opensource / wlan / qcacld-3.0 / 21c58cb8c3e13c9c682501c690d0e19d14116146 / . / core / mac / src / pe / lim / lim_utils.c
blob: 947193b4ad8b9ad4d6326b2841ec7330e09fa3c4 [file] [log] [blame]
/*
* Copyright (c) 2011-2018 The Linux Foundation. All rights reserved.
*
* Permission to use, copy, modify, and/or distribute this software for
* any purpose with or without fee is hereby granted, provided that the
* above copyright notice and this permission notice appear in all
* copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/*
* This file lim_utils.cc contains the utility functions
* LIM uses.
* Author: Chandra Modumudi
* Date: 02/13/02
* History:-
* Date Modified by Modification Information
* --------------------------------------------------------------------
*/
#include "sch_api.h"
#include "lim_utils.h"
#include "lim_types.h"
#include "lim_security_utils.h"
#include "lim_prop_exts_utils.h"
#include "lim_send_messages.h"
#include "lim_ser_des_utils.h"
#include "lim_admit_control.h"
#include "lim_sta_hash_api.h"
#include "dot11f.h"
#include "dot11fdefs.h"
#include "wmm_apsd.h"
#include "lim_trace.h"
#ifdef FEATURE_WLAN_DIAG_SUPPORT
#include "host_diag_core_event.h"
#endif /* FEATURE_WLAN_DIAG_SUPPORT */
#include "lim_ibss_peer_mgmt.h"
#include "lim_session_utils.h"
#include "lim_ft_defs.h"
#include "lim_session.h"
#include "cds_reg_service.h"
#include "nan_datapath.h"
#include "wma.h"
#include "wlan_reg_services_api.h"
#include "wlan_policy_mgr_api.h"
#include "wlan_mlme_public_struct.h"
#ifdef WLAN_FEATURE_11AX_BSS_COLOR
#include "wma_he.h"
#endif
#include "wlan_utility.h"
#ifdef WLAN_FEATURE_11W
#include "wni_cfg.h"
#endif
#define ASCII_SPACE_CHARACTER 0x20
/* A DFS channel can be ACTIVE for max 9000 msec, from the last
received Beacon/Prpbe Resp. */
#define MAX_TIME_TO_BE_ACTIVE_CHANNEL 9000
/** -------------------------------------------------------------
\fn lim_delete_dialogue_token_list
\brief deletes the complete lim dialogue token linked list.
\param tpAniSirGlobal pMac
\return None
-------------------------------------------------------------*/
void lim_delete_dialogue_token_list(tpAniSirGlobal pMac)
{
tpDialogueToken pCurrNode = pMac->lim.pDialogueTokenHead;
while (NULL != pMac->lim.pDialogueTokenHead) {
pCurrNode = pMac->lim.pDialogueTokenHead;
pMac->lim.pDialogueTokenHead =
pMac->lim.pDialogueTokenHead->next;
qdf_mem_free(pCurrNode);
pCurrNode = NULL;
}
pMac->lim.pDialogueTokenTail = NULL;
}
char *lim_dot11_reason_str(uint16_t reasonCode)
{
switch (reasonCode) {
case 0:
return " ";
CASE_RETURN_STRING(eSIR_MAC_UNSPEC_FAILURE_REASON);
CASE_RETURN_STRING(eSIR_MAC_PREV_AUTH_NOT_VALID_REASON);
CASE_RETURN_STRING(eSIR_MAC_DEAUTH_LEAVING_BSS_REASON);
CASE_RETURN_STRING(eSIR_MAC_DISASSOC_DUE_TO_INACTIVITY_REASON);
CASE_RETURN_STRING(eSIR_MAC_DISASSOC_DUE_TO_DISABILITY_REASON);
CASE_RETURN_STRING
(eSIR_MAC_CLASS2_FRAME_FROM_NON_AUTH_STA_REASON);
CASE_RETURN_STRING
(eSIR_MAC_CLASS3_FRAME_FROM_NON_ASSOC_STA_REASON);
CASE_RETURN_STRING(eSIR_MAC_DISASSOC_LEAVING_BSS_REASON);
CASE_RETURN_STRING(eSIR_MAC_STA_NOT_PRE_AUTHENTICATED_REASON);
CASE_RETURN_STRING(eSIR_MAC_PWR_CAPABILITY_BAD_REASON);
CASE_RETURN_STRING(eSIR_MAC_SPRTD_CHANNELS_BAD_REASON);
CASE_RETURN_STRING(eSIR_MAC_INVALID_IE_REASON);
CASE_RETURN_STRING(eSIR_MAC_MIC_FAILURE_REASON);
CASE_RETURN_STRING(eSIR_MAC_4WAY_HANDSHAKE_TIMEOUT_REASON);
CASE_RETURN_STRING(eSIR_MAC_GR_KEY_UPDATE_TIMEOUT_REASON);
CASE_RETURN_STRING(eSIR_MAC_RSN_IE_MISMATCH_REASON);
CASE_RETURN_STRING(eSIR_MAC_INVALID_MC_CIPHER_REASON);
CASE_RETURN_STRING(eSIR_MAC_INVALID_UC_CIPHER_REASON);
CASE_RETURN_STRING(eSIR_MAC_INVALID_AKMP_REASON);
CASE_RETURN_STRING(eSIR_MAC_UNSUPPORTED_RSN_IE_VER_REASON);
CASE_RETURN_STRING(eSIR_MAC_INVALID_RSN_CAPABILITIES_REASON);
CASE_RETURN_STRING(eSIR_MAC_1X_AUTH_FAILURE_REASON);
CASE_RETURN_STRING(eSIR_MAC_CIPHER_SUITE_REJECTED_REASON);
#ifdef FEATURE_WLAN_TDLS
CASE_RETURN_STRING(eSIR_MAC_TDLS_TEARDOWN_PEER_UNREACHABLE);
CASE_RETURN_STRING(eSIR_MAC_TDLS_TEARDOWN_UNSPEC_REASON);
#endif
/* Reserved 27 - 30 */
#ifdef WLAN_FEATURE_11W
CASE_RETURN_STRING
(eSIR_MAC_ROBUST_MGMT_FRAMES_POLICY_VIOLATION);
#endif
CASE_RETURN_STRING(eSIR_MAC_QOS_UNSPECIFIED_REASON);
CASE_RETURN_STRING(eSIR_MAC_QAP_NO_BANDWIDTH_REASON);
CASE_RETURN_STRING(eSIR_MAC_XS_UNACKED_FRAMES_REASON);
CASE_RETURN_STRING(eSIR_MAC_BAD_TXOP_USE_REASON);
CASE_RETURN_STRING(eSIR_MAC_PEER_STA_REQ_LEAVING_BSS_REASON);
CASE_RETURN_STRING(eSIR_MAC_PEER_REJECT_MECHANISIM_REASON);
CASE_RETURN_STRING(eSIR_MAC_MECHANISM_NOT_SETUP_REASON);
CASE_RETURN_STRING(eSIR_MAC_PEER_TIMEDOUT_REASON);
CASE_RETURN_STRING(eSIR_MAC_CIPHER_NOT_SUPPORTED_REASON);
CASE_RETURN_STRING(eSIR_MAC_DISASSOC_DUE_TO_FTHANDOFF_REASON);
/* Reserved 47 - 65535 */
default:
return "Unknown";
}
}
char *lim_mlm_state_str(tLimMlmStates state)
{
switch (state) {
case eLIM_MLM_OFFLINE_STATE:
return "eLIM_MLM_OFFLINE_STATE";
case eLIM_MLM_IDLE_STATE:
return "eLIM_MLM_IDLE_STATE";
case eLIM_MLM_WT_PROBE_RESP_STATE:
return "eLIM_MLM_WT_PROBE_RESP_STATE";
case eLIM_MLM_PASSIVE_SCAN_STATE:
return "eLIM_MLM_PASSIVE_SCAN_STATE";
case eLIM_MLM_WT_JOIN_BEACON_STATE:
return "eLIM_MLM_WT_JOIN_BEACON_STATE";
case eLIM_MLM_JOINED_STATE:
return "eLIM_MLM_JOINED_STATE";
case eLIM_MLM_BSS_STARTED_STATE:
return "eLIM_MLM_BSS_STARTED_STATE";
case eLIM_MLM_WT_AUTH_FRAME2_STATE:
return "eLIM_MLM_WT_AUTH_FRAME2_STATE";
case eLIM_MLM_WT_AUTH_FRAME3_STATE:
return "eLIM_MLM_WT_AUTH_FRAME3_STATE";
case eLIM_MLM_WT_AUTH_FRAME4_STATE:
return "eLIM_MLM_WT_AUTH_FRAME4_STATE";
case eLIM_MLM_AUTH_RSP_TIMEOUT_STATE:
return "eLIM_MLM_AUTH_RSP_TIMEOUT_STATE";
case eLIM_MLM_AUTHENTICATED_STATE:
return "eLIM_MLM_AUTHENTICATED_STATE";
case eLIM_MLM_WT_ASSOC_RSP_STATE:
return "eLIM_MLM_WT_ASSOC_RSP_STATE";
case eLIM_MLM_WT_REASSOC_RSP_STATE:
return "eLIM_MLM_WT_REASSOC_RSP_STATE";
case eLIM_MLM_WT_FT_REASSOC_RSP_STATE:
return "eLIM_MLM_WT_FT_REASSOC_RSP_STATE";
case eLIM_MLM_WT_DEL_STA_RSP_STATE:
return "eLIM_MLM_WT_DEL_STA_RSP_STATE";
case eLIM_MLM_WT_DEL_BSS_RSP_STATE:
return "eLIM_MLM_WT_DEL_BSS_RSP_STATE";
case eLIM_MLM_WT_ADD_STA_RSP_STATE:
return "eLIM_MLM_WT_ADD_STA_RSP_STATE";
case eLIM_MLM_WT_ADD_BSS_RSP_STATE:
return "eLIM_MLM_WT_ADD_BSS_RSP_STATE";
case eLIM_MLM_REASSOCIATED_STATE:
return "eLIM_MLM_REASSOCIATED_STATE";
case eLIM_MLM_LINK_ESTABLISHED_STATE:
return "eLIM_MLM_LINK_ESTABLISHED_STATE";
case eLIM_MLM_WT_ASSOC_CNF_STATE:
return "eLIM_MLM_WT_ASSOC_CNF_STATE";
case eLIM_MLM_WT_ADD_BSS_RSP_ASSOC_STATE:
return "eLIM_MLM_WT_ADD_BSS_RSP_ASSOC_STATE";
case eLIM_MLM_WT_ADD_BSS_RSP_REASSOC_STATE:
return "eLIM_MLM_WT_ADD_BSS_RSP_REASSOC_STATE";
case eLIM_MLM_WT_ADD_BSS_RSP_FT_REASSOC_STATE:
return "eLIM_MLM_WT_ADD_BSS_RSP_FT_REASSOC_STATE";
case eLIM_MLM_WT_ASSOC_DEL_STA_RSP_STATE:
return "eLIM_MLM_WT_ASSOC_DEL_STA_RSP_STATE";
case eLIM_MLM_WT_SET_BSS_KEY_STATE:
return "eLIM_MLM_WT_SET_BSS_KEY_STATE";
case eLIM_MLM_WT_SET_STA_KEY_STATE:
return "eLIM_MLM_WT_SET_STA_KEY_STATE";
default:
return "INVALID MLM state";
}
}
void
lim_print_mlm_state(tpAniSirGlobal pMac, uint16_t logLevel, tLimMlmStates state)
{
pe_debug("Mlm state: %s", lim_mlm_state_str(state));
}
char *lim_sme_state_str(tLimSmeStates state)
{
switch (state) {
case eLIM_SME_OFFLINE_STATE:
return "eLIM_SME_OFFLINE_STATE";
case eLIM_SME_IDLE_STATE:
return "eLIM_SME_OFFLINE_STATE";
case eLIM_SME_SUSPEND_STATE:
return "eLIM_SME_SUSPEND_STATE";
case eLIM_SME_WT_SCAN_STATE:
return "eLIM_SME_WT_SCAN_STATE";
case eLIM_SME_WT_JOIN_STATE:
return "eLIM_SME_WT_JOIN_STATE";
case eLIM_SME_WT_AUTH_STATE:
return "eLIM_SME_WT_AUTH_STATE";
case eLIM_SME_WT_ASSOC_STATE:
return "eLIM_SME_WT_ASSOC_STATE";
case eLIM_SME_WT_REASSOC_STATE:
return "eLIM_SME_WT_REASSOC_STATE";
case eLIM_SME_JOIN_FAILURE_STATE:
return "eLIM_SME_JOIN_FAILURE_STATE";
case eLIM_SME_ASSOCIATED_STATE:
return "eLIM_SME_ASSOCIATED_STATE";
case eLIM_SME_REASSOCIATED_STATE:
return "eLIM_SME_REASSOCIATED_STATE";
case eLIM_SME_LINK_EST_STATE:
return "eLIM_SME_LINK_EST_STATE";
case eLIM_SME_LINK_EST_WT_SCAN_STATE:
return "eLIM_SME_LINK_EST_WT_SCAN_STATE";
case eLIM_SME_WT_PRE_AUTH_STATE:
return "eLIM_SME_WT_PRE_AUTH_STATE";
case eLIM_SME_WT_DISASSOC_STATE:
return "eLIM_SME_WT_DISASSOC_STATE";
case eLIM_SME_WT_DEAUTH_STATE:
return "eLIM_SME_WT_DEAUTH_STATE";
case eLIM_SME_WT_START_BSS_STATE:
return "eLIM_SME_WT_START_BSS_STATE";
case eLIM_SME_WT_STOP_BSS_STATE:
return "eLIM_SME_WT_STOP_BSS_STATE";
case eLIM_SME_NORMAL_STATE:
return "eLIM_SME_NORMAL_STATE";
case eLIM_SME_CHANNEL_SCAN_STATE:
return "eLIM_SME_CHANNEL_SCAN_STATE";
case eLIM_SME_NORMAL_CHANNEL_SCAN_STATE:
return "eLIM_SME_NORMAL_CHANNEL_SCAN_STATE";
default:
return "INVALID SME STATE";
}
}
void
lim_print_sme_state(tpAniSirGlobal pMac, uint16_t logLevel, tLimSmeStates state)
{
pe_debug("SME state: %s", lim_sme_state_str(state));
}
char *lim_msg_str(uint32_t msgType)
{
#ifdef FIXME_GEN6
switch (msgType) {
case eWNI_SME_SYS_READY_IND:
return "eWNI_SME_SYS_READY_IND";
case eWNI_SME_JOIN_REQ:
return "eWNI_SME_JOIN_REQ";
case eWNI_SME_JOIN_RSP:
return "eWNI_SME_JOIN_RSP";
case eWNI_SME_SETCONTEXT_REQ:
return "eWNI_SME_SETCONTEXT_REQ";
case eWNI_SME_SETCONTEXT_RSP:
return "eWNI_SME_SETCONTEXT_RSP";
case eWNI_SME_REASSOC_REQ:
return "eWNI_SME_REASSOC_REQ";
case eWNI_SME_REASSOC_RSP:
return "eWNI_SME_REASSOC_RSP";
case eWNI_SME_DISASSOC_REQ:
return "eWNI_SME_DISASSOC_REQ";
case eWNI_SME_DISASSOC_RSP:
return "eWNI_SME_DISASSOC_RSP";
case eWNI_SME_DISASSOC_IND:
return "eWNI_SME_DISASSOC_IND";
case eWNI_SME_DISASSOC_CNF:
return "eWNI_SME_DISASSOC_CNF";
case eWNI_SME_DEAUTH_REQ:
return "eWNI_SME_DEAUTH_REQ";
case eWNI_SME_DEAUTH_RSP:
return "eWNI_SME_DEAUTH_RSP";
case eWNI_SME_DEAUTH_IND:
return "eWNI_SME_DEAUTH_IND";
case eWNI_SME_WM_STATUS_CHANGE_NTF:
return "eWNI_SME_WM_STATUS_CHANGE_NTF";
case eWNI_SME_START_BSS_REQ:
return "eWNI_SME_START_BSS_REQ";
case eWNI_SME_START_BSS_RSP:
return "eWNI_SME_START_BSS_RSP";
case eWNI_SME_ASSOC_IND:
return "eWNI_SME_ASSOC_IND";
case eWNI_SME_ASSOC_CNF:
return "eWNI_SME_ASSOC_CNF";
case eWNI_SME_SWITCH_CHL_IND:
return "eWNI_SME_SWITCH_CHL_IND";
case eWNI_SME_STOP_BSS_REQ:
return "eWNI_SME_STOP_BSS_REQ";
case eWNI_SME_STOP_BSS_RSP:
return "eWNI_SME_STOP_BSS_RSP";
case eWNI_SME_DEAUTH_CNF:
return "eWNI_SME_DEAUTH_CNF";
case eWNI_SME_ADDTS_REQ:
return "eWNI_SME_ADDTS_REQ";
case eWNI_SME_ADDTS_RSP:
return "eWNI_SME_ADDTS_RSP";
case eWNI_SME_DELTS_REQ:
return "eWNI_SME_DELTS_REQ";
case eWNI_SME_DELTS_RSP:
return "eWNI_SME_DELTS_RSP";
case eWNI_SME_DELTS_IND:
return "eWNI_SME_DELTS_IND";
case WMA_SUSPEND_ACTIVITY_RSP:
return "WMA_SUSPEND_ACTIVITY_RSP";
case SIR_LIM_RETRY_INTERRUPT_MSG:
return "SIR_LIM_RETRY_INTERRUPT_MSG";
case SIR_BB_XPORT_MGMT_MSG:
return "SIR_BB_XPORT_MGMT_MSG";
case SIR_LIM_INV_KEY_INTERRUPT_MSG:
return "SIR_LIM_INV_KEY_INTERRUPT_MSG";
case SIR_LIM_KEY_ID_INTERRUPT_MSG:
return "SIR_LIM_KEY_ID_INTERRUPT_MSG";
case SIR_LIM_REPLAY_THRES_INTERRUPT_MSG:
return "SIR_LIM_REPLAY_THRES_INTERRUPT_MSG";
case SIR_LIM_JOIN_FAIL_TIMEOUT:
return "SIR_LIM_JOIN_FAIL_TIMEOUT";
case SIR_LIM_AUTH_FAIL_TIMEOUT:
return "SIR_LIM_AUTH_FAIL_TIMEOUT";
case SIR_LIM_AUTH_RSP_TIMEOUT:
return "SIR_LIM_AUTH_RSP_TIMEOUT";
case SIR_LIM_ASSOC_FAIL_TIMEOUT:
return "SIR_LIM_ASSOC_FAIL_TIMEOUT";
case SIR_LIM_REASSOC_FAIL_TIMEOUT:
return "SIR_LIM_REASSOC_FAIL_TIMEOUT";
case SIR_LIM_HEART_BEAT_TIMEOUT:
return "SIR_LIM_HEART_BEAT_TIMEOUT";
case SIR_LIM_ADDTS_RSP_TIMEOUT:
return "SIR_LIM_ADDTS_RSP_TIMEOUT";
case SIR_LIM_LINK_TEST_DURATION_TIMEOUT:
return "SIR_LIM_LINK_TEST_DURATION_TIMEOUT";
case SIR_LIM_HASH_MISS_THRES_TIMEOUT:
return "SIR_LIM_HASH_MISS_THRES_TIMEOUT";
case SIR_LIM_UPDATE_OLBC_CACHEL_TIMEOUT:
return "SIR_LIM_UPDATE_OLBC_CACHEL_TIMEOUT";
case SIR_LIM_CNF_WAIT_TIMEOUT:
return "SIR_LIM_CNF_WAIT_TIMEOUT";
case SIR_LIM_RADAR_DETECT_IND:
return "SIR_LIM_RADAR_DETECT_IND";
case SIR_LIM_FT_PREAUTH_RSP_TIMEOUT:
return "SIR_LIM_FT_PREAUTH_RSP_TIMEOUT";
case WNI_CFG_PARAM_UPDATE_IND:
return "WNI_CFG_PARAM_UPDATE_IND";
case WNI_CFG_DNLD_REQ:
return "WNI_CFG_DNLD_REQ";
case WNI_CFG_DNLD_CNF:
return "WNI_CFG_DNLD_CNF";
case WNI_CFG_GET_RSP:
return "WNI_CFG_GET_RSP";
case WNI_CFG_SET_CNF:
return "WNI_CFG_SET_CNF";
case WNI_CFG_GET_ATTRIB_RSP:
return "WNI_CFG_GET_ATTRIB_RSP";
case WNI_CFG_ADD_GRP_ADDR_CNF:
return "WNI_CFG_ADD_GRP_ADDR_CNF";
case WNI_CFG_DEL_GRP_ADDR_CNF:
return "WNI_CFG_DEL_GRP_ADDR_CNF";
case ANI_CFG_GET_RADIO_STAT_RSP:
return "ANI_CFG_GET_RADIO_STAT_RSP";
case ANI_CFG_GET_PER_STA_STAT_RSP:
return "ANI_CFG_GET_PER_STA_STAT_RSP";
case ANI_CFG_GET_AGG_STA_STAT_RSP:
return "ANI_CFG_GET_AGG_STA_STAT_RSP";
case ANI_CFG_CLEAR_STAT_RSP:
return "ANI_CFG_CLEAR_STAT_RSP";
case WNI_CFG_DNLD_RSP:
return "WNI_CFG_DNLD_RSP";
case WNI_CFG_GET_REQ:
return "WNI_CFG_GET_REQ";
case eWNI_PMC_ENTER_IMPS_RSP:
return "eWNI_PMC_ENTER_IMPS_RSP";
case eWNI_PMC_EXIT_IMPS_RSP:
return "eWNI_PMC_EXIT_IMPS_RSP";
case eWNI_PMC_ENTER_BMPS_RSP:
return "eWNI_PMC_ENTER_BMPS_RSP";
case eWNI_PMC_EXIT_BMPS_RSP:
return "eWNI_PMC_EXIT_BMPS_RSP";
case eWNI_PMC_EXIT_BMPS_IND:
return "eWNI_PMC_EXIT_BMPS_IND";
#ifdef FEATURE_WLAN_ESE
case eWNI_SME_GET_TSM_STATS_REQ:
return "eWNI_SME_GET_TSM_STATS_REQ";
case eWNI_SME_GET_TSM_STATS_RSP:
return "eWNI_SME_GET_TSM_STATS_RSP";
#endif /* FEATURE_WLAN_ESE */
case eWNI_SME_CSA_OFFLOAD_EVENT:
return "eWNI_SME_CSA_OFFLOAD_EVENT";
case eWNI_SME_SET_HW_MODE_REQ:
return "eWNI_SME_SET_HW_MODE_REQ";
case eWNI_SME_SET_HW_MODE_RESP:
return "eWNI_SME_SET_HW_MODE_RESP";
case eWNI_SME_HW_MODE_TRANS_IND:
return "eWNI_SME_HW_MODE_TRANS_IND";
default:
return "INVALID SME message";
}
#endif
return "";
}
char *lim_result_code_str(tSirResultCodes resultCode)
{
switch (resultCode) {
case eSIR_SME_SUCCESS:
return "eSIR_SME_SUCCESS";
case eSIR_LOGE_EXCEPTION:
return "eSIR_LOGE_EXCEPTION";
case eSIR_SME_INVALID_PARAMETERS:
return "eSIR_SME_INVALID_PARAMETERS";
case eSIR_SME_UNEXPECTED_REQ_RESULT_CODE:
return "eSIR_SME_UNEXPECTED_REQ_RESULT_CODE";
case eSIR_SME_RESOURCES_UNAVAILABLE:
return "eSIR_SME_RESOURCES_UNAVAILABLE";
case eSIR_SME_SCAN_FAILED:
return "eSIR_SME_SCAN_FAILED";
case eSIR_SME_BSS_ALREADY_STARTED_OR_JOINED:
return "eSIR_SME_BSS_ALREADY_STARTED_OR_JOINED";
case eSIR_SME_LOST_LINK_WITH_PEER_RESULT_CODE:
return "eSIR_SME_LOST_LINK_WITH_PEER_RESULT_CODE";
case eSIR_SME_REFUSED:
return "eSIR_SME_REFUSED";
case eSIR_SME_JOIN_TIMEOUT_RESULT_CODE:
return "eSIR_SME_JOIN_TIMEOUT_RESULT_CODE";
case eSIR_SME_AUTH_TIMEOUT_RESULT_CODE:
return "eSIR_SME_AUTH_TIMEOUT_RESULT_CODE";
case eSIR_SME_ASSOC_TIMEOUT_RESULT_CODE:
return "eSIR_SME_ASSOC_TIMEOUT_RESULT_CODE";
case eSIR_SME_REASSOC_TIMEOUT_RESULT_CODE:
return "eSIR_SME_REASSOC_TIMEOUT_RESULT_CODE";
case eSIR_SME_MAX_NUM_OF_PRE_AUTH_REACHED:
return "eSIR_SME_MAX_NUM_OF_PRE_AUTH_REACHED";
case eSIR_SME_AUTH_REFUSED:
return "eSIR_SME_AUTH_REFUSED";
case eSIR_SME_INVALID_WEP_DEFAULT_KEY:
return "eSIR_SME_INVALID_WEP_DEFAULT_KEY";
case eSIR_SME_ASSOC_REFUSED:
return "eSIR_SME_ASSOC_REFUSED";
case eSIR_SME_REASSOC_REFUSED:
return "eSIR_SME_REASSOC_REFUSED";
case eSIR_SME_STA_NOT_AUTHENTICATED:
return "eSIR_SME_STA_NOT_AUTHENTICATED";
case eSIR_SME_STA_NOT_ASSOCIATED:
return "eSIR_SME_STA_NOT_ASSOCIATED";
case eSIR_SME_ALREADY_JOINED_A_BSS:
return "eSIR_SME_ALREADY_JOINED_A_BSS";
case eSIR_SME_MORE_SCAN_RESULTS_FOLLOW:
return "eSIR_SME_MORE_SCAN_RESULTS_FOLLOW";
case eSIR_SME_INVALID_ASSOC_RSP_RXED:
return "eSIR_SME_INVALID_ASSOC_RSP_RXED";
case eSIR_SME_MIC_COUNTER_MEASURES:
return "eSIR_SME_MIC_COUNTER_MEASURES";
case eSIR_SME_ADDTS_RSP_TIMEOUT:
return "eSIR_SME_ADDTS_RSP_TIMEOUT";
case eSIR_SME_CHANNEL_SWITCH_FAIL:
return "eSIR_SME_CHANNEL_SWITCH_FAIL";
case eSIR_SME_HAL_SCAN_INIT_FAILED:
return "eSIR_SME_HAL_SCAN_INIT_FAILED";
case eSIR_SME_HAL_SCAN_END_FAILED:
return "eSIR_SME_HAL_SCAN_END_FAILED";
case eSIR_SME_HAL_SCAN_FINISH_FAILED:
return "eSIR_SME_HAL_SCAN_FINISH_FAILED";
case eSIR_SME_HAL_SEND_MESSAGE_FAIL:
return "eSIR_SME_HAL_SEND_MESSAGE_FAIL";
default:
return "INVALID resultCode";
}
}
void lim_print_msg_name(tpAniSirGlobal pMac, uint16_t logLevel, uint32_t msgType)
{
pe_debug("Msg: %s", lim_msg_str(msgType));
}
/**
* lim_init_mlm() - This function is called by limProcessSmeMessages() to
* initialize MLM state machine on STA
* @pMac: Pointer to Global MAC structure
*
* @Return: Status of operation
*/
QDF_STATUS lim_init_mlm(tpAniSirGlobal pMac)
{
uint32_t retVal;
pMac->lim.gLimTimersCreated = 0;
MTRACE(mac_trace(pMac, TRACE_CODE_MLM_STATE, NO_SESSION,
pMac->lim.gLimMlmState));
/* Initialize number of pre-auth contexts */
pMac->lim.gLimNumPreAuthContexts = 0;
/* Initialize MAC based Authentication STA list */
lim_init_pre_auth_list(pMac);
/* Create timers used by LIM */
retVal = lim_create_timers(pMac);
if (retVal != TX_SUCCESS) {
pe_err("lim_create_timers Failed");
return QDF_STATUS_SUCCESS;
}
pMac->lim.gLimTimersCreated = 1;
return QDF_STATUS_SUCCESS;
} /*** end lim_init_mlm() ***/
void lim_deactivate_timers(tpAniSirGlobal mac_ctx)
{
uint32_t n;
tLimTimers *lim_timer = &mac_ctx->lim.limTimers;
lim_deactivate_timers_host_roam(mac_ctx);
/* Deactivate channel switch timer. */
tx_timer_deactivate(&lim_timer->gLimChannelSwitchTimer);
/* Deactivate addts response timer. */
tx_timer_deactivate(&lim_timer->gLimAddtsRspTimer);
if (tx_timer_running(&lim_timer->gLimJoinFailureTimer)) {
pe_err("Join failure timer running call the timeout API");
/* Cleanup as if join timer expired */
lim_timer_handler(mac_ctx, SIR_LIM_JOIN_FAIL_TIMEOUT);
}
/* Deactivate Join failure timer. */
tx_timer_deactivate(&lim_timer->gLimJoinFailureTimer);
/* Deactivate Periodic Join Probe Request timer. */
tx_timer_deactivate(&lim_timer->gLimPeriodicJoinProbeReqTimer);
/* Deactivate Auth Retry timer. */
tx_timer_deactivate
(&lim_timer->g_lim_periodic_auth_retry_timer);
if (tx_timer_running(&lim_timer->gLimAssocFailureTimer)) {
pe_err("Assoc failure timer running call the timeout API");
/* Cleanup as if assoc timer expired */
lim_assoc_failure_timer_handler(mac_ctx, LIM_ASSOC);
}
/* Deactivate Association failure timer. */
tx_timer_deactivate(&lim_timer->gLimAssocFailureTimer);
if (tx_timer_running(&mac_ctx->lim.limTimers.gLimAuthFailureTimer)) {
pe_err("Auth failure timer running call the timeout API");
/* Cleanup as if auth timer expired */
lim_timer_handler(mac_ctx, SIR_LIM_AUTH_FAIL_TIMEOUT);
}
/* Deactivate Authentication failure timer. */
tx_timer_deactivate(&lim_timer->gLimAuthFailureTimer);
/* Deactivate wait-for-probe-after-Heartbeat timer. */
tx_timer_deactivate(&lim_timer->gLimProbeAfterHBTimer);
/* Deactivate and delete Quiet timer. */
tx_timer_deactivate(&lim_timer->gLimQuietTimer);
/* Deactivate Quiet BSS timer. */
tx_timer_deactivate(&lim_timer->gLimQuietBssTimer);
/* Deactivate cnf wait timer */
for (n = 0; n < (mac_ctx->lim.maxStation + 1); n++) {
tx_timer_deactivate(&lim_timer->gpLimCnfWaitTimer[n]);
}
/* Deactivate any Authentication response timers */
lim_delete_pre_auth_list(mac_ctx);
tx_timer_deactivate(&lim_timer->gLimUpdateOlbcCacheTimer);
tx_timer_deactivate(&lim_timer->gLimPreAuthClnupTimer);
tx_timer_deactivate(&lim_timer->gLimDisassocAckTimer);
tx_timer_deactivate(&lim_timer->gLimDeauthAckTimer);
tx_timer_deactivate(&lim_timer->
gLimActiveToPassiveChannelTimer);
tx_timer_deactivate(&lim_timer->sae_auth_timer);
}
/**
* lim_cleanup_mlm() - This function is called to cleanup
* @mac_ctx: Pointer to Global MAC structure
*
* Function is called to cleanup any resources allocated by the MLM
* state machine.
*
* Return: none
*/
void lim_cleanup_mlm(tpAniSirGlobal mac_ctx)
{
uint32_t n;
tLimPreAuthNode **pAuthNode;
tLimTimers *lim_timer = NULL;
if (mac_ctx->lim.gLimTimersCreated == 1) {
lim_timer = &mac_ctx->lim.limTimers;
lim_deactivate_timers(mac_ctx);
lim_delete_timers_host_roam(mac_ctx);
/* Delete channel switch timer. */
tx_timer_delete(&lim_timer->gLimChannelSwitchTimer);
/* Delete addts response timer. */
tx_timer_delete(&lim_timer->gLimAddtsRspTimer);
/* Delete Join failure timer. */
tx_timer_delete(&lim_timer->gLimJoinFailureTimer);
/* Delete Periodic Join Probe Request timer. */
tx_timer_delete(&lim_timer->gLimPeriodicJoinProbeReqTimer);
/* Delete Auth Retry timer. */
tx_timer_delete(&lim_timer->g_lim_periodic_auth_retry_timer);
/* Delete Association failure timer. */
tx_timer_delete(&lim_timer->gLimAssocFailureTimer);
/* Delete Authentication failure timer. */
tx_timer_delete(&lim_timer->gLimAuthFailureTimer);
/* Delete wait-for-probe-after-Heartbeat timer. */
tx_timer_delete(&lim_timer->gLimProbeAfterHBTimer);
/* Delete Quiet timer. */
tx_timer_delete(&lim_timer->gLimQuietTimer);
/* Delete Quiet BSS timer. */
tx_timer_delete(&lim_timer->gLimQuietBssTimer);
/* Delete cnf wait timer */
for (n = 0; n < (mac_ctx->lim.maxStation + 1); n++) {
tx_timer_delete(&lim_timer->gpLimCnfWaitTimer[n]);
}
pAuthNode = mac_ctx->lim.gLimPreAuthTimerTable.pTable;
/* Delete any Auth rsp timers, which might have been started */
for (n = 0; n < mac_ctx->lim.gLimPreAuthTimerTable.numEntry;
n++)
tx_timer_delete(&pAuthNode[n]->timer);
tx_timer_delete(&lim_timer->gLimUpdateOlbcCacheTimer);
tx_timer_delete(&lim_timer->gLimPreAuthClnupTimer);
tx_timer_delete(&lim_timer->gLimDisassocAckTimer);
tx_timer_delete(&lim_timer->gLimDeauthAckTimer);
tx_timer_delete(&lim_timer->
gLimActiveToPassiveChannelTimer);
tx_timer_delete(&lim_timer->sae_auth_timer);
mac_ctx->lim.gLimTimersCreated = 0;
}
} /*** end lim_cleanup_mlm() ***/
/**
* lim_is_addr_bc()
*
***FUNCTION:
* This function is called in various places within LIM code
* to determine whether passed MAC address is a broadcast or not
*
***LOGIC:
*
***ASSUMPTIONS:
* NA
*
***NOTE:
* NA
*
* @param macAddr Indicates MAC address that need to be determined
* whether it is Broadcast address or not
*
* @return true if passed address is Broadcast address else false
*/
uint8_t lim_is_addr_bc(tSirMacAddr macAddr)
{
int i;
for (i = 0; i < 6; i++) {
if ((macAddr[i] & 0xFF) != 0xFF)
return false;
}
return true;
} /****** end lim_is_addr_bc() ******/
/**
* lim_is_group_addr()
*
***FUNCTION:
* This function is called in various places within LIM code
* to determine whether passed MAC address is a group address or not
*
***LOGIC:
* If least significant bit of first octet of the MAC address is
* set to 1, it is a Group address.
*
***ASSUMPTIONS:
* NA
*
***NOTE:
* NA
*
* @param macAddr Indicates MAC address that need to be determined
* whether it is Group address or not
*
* @return true if passed address is Group address else false
*/
uint8_t lim_is_group_addr(tSirMacAddr macAddr)
{
if ((macAddr[0] & 0x01) == 0x01)
return true;
else
return false;
} /****** end lim_is_group_addr() ******/
/**
* lim_print_mac_addr()
*
***FUNCTION:
* This function is called to print passed MAC address
* in : format.
*
***LOGIC:
*
***ASSUMPTIONS:
* NA
*
***NOTE:
* @param macAddr - MacAddr to be printed
* @param logLevel - Loglevel to be used
*
* @return None.
*/
void lim_print_mac_addr(tpAniSirGlobal pMac, tSirMacAddr macAddr, uint8_t logLevel)
{
pe_debug(MAC_ADDRESS_STR, MAC_ADDR_ARRAY(macAddr));
} /****** end lim_print_mac_addr() ******/
/*
* lim_reset_deferred_msg_q()
*
***FUNCTION:
* This function resets the deferred message queue parameters.
*
***PARAMS:
* @param pMac - Pointer to Global MAC structure
*
***LOGIC:
*
***ASSUMPTIONS:
* NA
*
***NOTE:
* NA
*
***RETURNS:
* None
*/
void lim_reset_deferred_msg_q(tpAniSirGlobal pMac)
{
struct scheduler_msg *read_msg = {0};
if (pMac->lim.gLimDeferredMsgQ.size > 0) {
while ((read_msg = lim_read_deferred_msg_q(pMac)) != NULL) {
pe_free_msg(pMac, read_msg);
}
}
pMac->lim.gLimDeferredMsgQ.size =
pMac->lim.gLimDeferredMsgQ.write =
pMac->lim.gLimDeferredMsgQ.read = 0;
}
#define LIM_DEFERRED_Q_CHECK_THRESHOLD (MAX_DEFERRED_QUEUE_LEN/2)
#define LIM_MAX_NUM_MGMT_FRAME_DEFERRED (MAX_DEFERRED_QUEUE_LEN/2)
/**
* lim_write_deferred_msg_q() - This function queues up a deferred message
*
* @mac_ctx: Pointer to Global MAC structure
* @lim_msg: a LIM message
*
* Function queues up a deferred message for later processing on the
* STA side.
*
* Return: none
*/
uint8_t lim_write_deferred_msg_q(tpAniSirGlobal mac_ctx,
struct scheduler_msg *lim_msg)
{
uint8_t type = 0, subtype = 0;
pe_debug("Queue a deferred message size: %d write: %d - type: 0x%x",
mac_ctx->lim.gLimDeferredMsgQ.size,
mac_ctx->lim.gLimDeferredMsgQ.write,
lim_msg->type);
/* check if the deferred message queue is full */
if (mac_ctx->lim.gLimDeferredMsgQ.size >= MAX_DEFERRED_QUEUE_LEN) {
if (!(mac_ctx->lim.deferredMsgCnt & 0xF)) {
pe_err("queue->MsgQ full Msg: %d Msgs Failed: %d",
lim_msg->type,
++mac_ctx->lim.deferredMsgCnt);
cds_flush_logs(WLAN_LOG_TYPE_NON_FATAL,
WLAN_LOG_INDICATOR_HOST_DRIVER,
WLAN_LOG_REASON_QUEUE_FULL,
true, false);
} else {
mac_ctx->lim.deferredMsgCnt++;
}
return TX_QUEUE_FULL;
}
/*
* In the application, there should not be more than 1 message get
* queued up. If happens, flags a warning. In the future, this can
* happen.
*/
if (mac_ctx->lim.gLimDeferredMsgQ.size > 0)
pe_debug("%d Deferred Msg type: 0x%x scan: %d global sme: %d global mlme: %d addts: %d",
mac_ctx->lim.gLimDeferredMsgQ.size,
lim_msg->type,
lim_is_system_in_scan_state(mac_ctx),
mac_ctx->lim.gLimSmeState,
mac_ctx->lim.gLimMlmState,
mac_ctx->lim.gLimAddtsSent);
if (SIR_BB_XPORT_MGMT_MSG == lim_msg->type) {
lim_util_get_type_subtype(lim_msg->bodyptr,
&type, &subtype);
pe_debug(" Deferred management type %d subtype %d ",
type, subtype);
}
/*
* To prevent the deferred Q is full of management frames, only give
* them certain space
*/
if ((SIR_BB_XPORT_MGMT_MSG == lim_msg->type) &&
(LIM_DEFERRED_Q_CHECK_THRESHOLD <
mac_ctx->lim.gLimDeferredMsgQ.size)) {
uint16_t idx, count = 0;
for (idx = 0; idx < mac_ctx->lim.gLimDeferredMsgQ.size;
idx++) {
if (SIR_BB_XPORT_MGMT_MSG ==
mac_ctx->lim.gLimDeferredMsgQ.
deferredQueue[idx].type) {
count++;
}
}
if (LIM_MAX_NUM_MGMT_FRAME_DEFERRED < count) {
/*
* We reach the quota for management frames,
* drop this one
*/
pe_warn("Too many queue->MsgQ Msg: %d count: %d",
lim_msg->type, count);
/* Return error, caller knows what to do */
return TX_QUEUE_FULL;
}
}
++mac_ctx->lim.gLimDeferredMsgQ.size;
/* reset the count here since we are able to defer the message */
if (mac_ctx->lim.deferredMsgCnt != 0)
mac_ctx->lim.deferredMsgCnt = 0;
/* if the write pointer hits the end of the queue, rewind it */
if (mac_ctx->lim.gLimDeferredMsgQ.write >= MAX_DEFERRED_QUEUE_LEN)
mac_ctx->lim.gLimDeferredMsgQ.write = 0;
/* save the message to the queue and advanced the write pointer */
qdf_mem_copy((uint8_t *) &mac_ctx->lim.gLimDeferredMsgQ.
deferredQueue[mac_ctx->lim.gLimDeferredMsgQ.write++],
(uint8_t *) lim_msg,
sizeof(struct scheduler_msg));
return TX_SUCCESS;
}
/*
* lim_read_deferred_msg_q()
*
***FUNCTION:
* This function dequeues a deferred message for processing on the
* STA side.
*
***PARAMS:
* @param pMac - Pointer to Global MAC structure
*
***LOGIC:
*
***ASSUMPTIONS:
* NA
*
***NOTE:
*
*
***RETURNS:
* Returns the message at the head of the deferred message queue
*/
struct scheduler_msg *lim_read_deferred_msg_q(tpAniSirGlobal pMac)
{
struct scheduler_msg *msg = {0};
/*
** check any messages left. If no, return
**/
if (pMac->lim.gLimDeferredMsgQ.size <= 0)
return NULL;
/*
** decrement the queue size
**/
pMac->lim.gLimDeferredMsgQ.size--;
/*
** retrieve the message from the head of the queue
**/
msg =
&pMac->lim.gLimDeferredMsgQ.deferredQueue[pMac->lim.
gLimDeferredMsgQ.read];
/*
** advance the read pointer
**/
pMac->lim.gLimDeferredMsgQ.read++;
/*
** if the read pointer hits the end of the queue, rewind it
**/
if (pMac->lim.gLimDeferredMsgQ.read >= MAX_DEFERRED_QUEUE_LEN)
pMac->lim.gLimDeferredMsgQ.read = 0;
pe_debug("DeQueue a deferred message size: %d read: %d - type: 0x%x",
pMac->lim.gLimDeferredMsgQ.size,
pMac->lim.gLimDeferredMsgQ.read, msg->type);
pe_debug("DQ msg -- scan: %d global sme: %d global mlme: %d addts: %d",
lim_is_system_in_scan_state(pMac), pMac->lim.gLimSmeState,
pMac->lim.gLimMlmState, pMac->lim.gLimAddtsSent);
return msg;
}
QDF_STATUS
lim_sys_process_mmh_msg_api(tpAniSirGlobal pMac,
struct scheduler_msg *pMsg, uint8_t qType)
{
/* FIXME */
sys_process_mmh_msg(pMac, pMsg);
return QDF_STATUS_SUCCESS;
}
/*
* lim_handle_update_olbc_cache() - This function update olbc cache
*
* @mac_ctx: Pointer to Global MAC structure
*
* Function updates olbc cache
*
* Return: none
*/
void lim_handle_update_olbc_cache(tpAniSirGlobal mac_ctx)
{
int i;
static int enable;
tUpdateBeaconParams beaconParams;
tpPESession psessionEntry = lim_is_ap_session_active(mac_ctx);
if (psessionEntry == NULL) {
pe_err(" Session not found");
return;
}
if (psessionEntry->is_session_obss_offload_enabled) {
pe_debug("protection offloaded");
return;
}
qdf_mem_set((uint8_t *) &beaconParams, sizeof(tUpdateBeaconParams), 0);
beaconParams.bssIdx = psessionEntry->bssIdx;
beaconParams.paramChangeBitmap = 0;
/*
* This is doing a 2 pass check. The first pass is to invalidate
* all the cache entries. The second pass is to decide whether to
* disable protection.
*/
if (!enable) {
pe_debug("Resetting OLBC cache");
psessionEntry->gLimOlbcParams.numSta = 0;
psessionEntry->gLimOverlap11gParams.numSta = 0;
psessionEntry->gLimOverlapHt20Params.numSta = 0;
psessionEntry->gLimNonGfParams.numSta = 0;
psessionEntry->gLimLsigTxopParams.numSta = 0;
for (i = 0; i < LIM_PROT_STA_OVERLAP_CACHE_SIZE; i++)
mac_ctx->lim.protStaOverlapCache[i].active = false;
enable = 1;
} else {
if ((!psessionEntry->gLimOlbcParams.numSta) &&
(psessionEntry->gLimOlbcParams.protectionEnabled) &&
(!psessionEntry->gLim11bParams.protectionEnabled)) {
pe_debug("Overlap cache clear and no 11B STA set");
lim_enable11g_protection(mac_ctx, false, true,
&beaconParams,
psessionEntry);
}
if ((!psessionEntry->gLimOverlap11gParams.numSta) &&
(psessionEntry->gLimOverlap11gParams.protectionEnabled)
&& (!psessionEntry->gLim11gParams.protectionEnabled)) {
pe_debug("Overlap cache clear and no 11G STA set");
lim_enable_ht_protection_from11g(mac_ctx, false, true,
&beaconParams,
psessionEntry);
}
if ((!psessionEntry->gLimOverlapHt20Params.numSta) &&
(psessionEntry->gLimOverlapHt20Params.protectionEnabled)
&& (!psessionEntry->gLimHt20Params.protectionEnabled)) {
pe_debug("Overlap cache clear and no HT20 STA set");
lim_enable11g_protection(mac_ctx, false, true,
&beaconParams,
psessionEntry);
}
enable = 0;
}
if ((false == mac_ctx->sap.SapDfsInfo.is_dfs_cac_timer_running)
&& beaconParams.paramChangeBitmap) {
sch_set_fixed_beacon_fields(mac_ctx, psessionEntry);
lim_send_beacon_params(mac_ctx, &beaconParams, psessionEntry);
}
/* Start OLBC timer */
if (tx_timer_activate(&mac_ctx->lim.limTimers.gLimUpdateOlbcCacheTimer)
!= TX_SUCCESS)
pe_err("tx_timer_activate failed");
}
/**
* lim_is_null_ssid() - This function checks if ssid supplied is Null SSID
* @ssid: pointer to tSirMacSSid
*
* Function checks if ssid supplied is Null SSID
*
* Return: none
*/
uint8_t lim_is_null_ssid(tSirMacSSid *ssid)
{
uint8_t fnull_ssid = false;
uint32_t ssid_len;
uint8_t *ssid_str;
if (0 == ssid->length) {
fnull_ssid = true;
return fnull_ssid;
}
/* If the first charactes is space, then check if all
* characters in SSID are spaces to consider it as NULL SSID
*/
if ((ASCII_SPACE_CHARACTER == ssid->ssId[0]) &&
(ssid->length == 1)) {
fnull_ssid = true;
return fnull_ssid;
} else {
/* check if all the charactes in SSID are NULL */
ssid_len = ssid->length;
ssid_str = ssid->ssId;
while (ssid_len) {
if (*ssid_str)
return fnull_ssid;
ssid_str++;
ssid_len--;
}
if (0 == ssid_len) {
fnull_ssid = true;
return fnull_ssid;
}
}
return fnull_ssid;
}
/** -------------------------------------------------------------
\fn lim_update_prot_sta_params
\brief updates protection related counters.
\param tpAniSirGlobal pMac
\param tSirMacAddr peerMacAddr
\param tLimProtStaCacheType protStaCacheType
\param tHalBitVal gfSupported
\param tHalBitVal lsigTxopSupported
\return None
-------------------------------------------------------------*/
static void
lim_update_prot_sta_params(tpAniSirGlobal pMac,
tSirMacAddr peerMacAddr,
tLimProtStaCacheType protStaCacheType,
tHalBitVal gfSupported, tHalBitVal lsigTxopSupported,
tpPESession psessionEntry)
{
uint32_t i;
pe_debug("Associated STA addr is:");
lim_print_mac_addr(pMac, peerMacAddr, LOGD);
for (i = 0; i < LIM_PROT_STA_CACHE_SIZE; i++) {
if (psessionEntry->protStaCache[i].active) {
pe_debug("Addr:");
lim_print_mac_addr
(pMac, psessionEntry->protStaCache[i].addr,
LOGD);
if (!qdf_mem_cmp
(psessionEntry->protStaCache[i].addr,
peerMacAddr, sizeof(tSirMacAddr))) {
pe_debug("matching cache entry at: %d already active",
i);
return;
}
}
}
for (i = 0; i < LIM_PROT_STA_CACHE_SIZE; i++) {
if (!psessionEntry->protStaCache[i].active)
break;
}
if (i >= LIM_PROT_STA_CACHE_SIZE) {
pe_err("No space in ProtStaCache");
return;
}
qdf_mem_copy(psessionEntry->protStaCache[i].addr,
peerMacAddr, sizeof(tSirMacAddr));
psessionEntry->protStaCache[i].protStaCacheType = protStaCacheType;
psessionEntry->protStaCache[i].active = true;
if (eLIM_PROT_STA_CACHE_TYPE_llB == protStaCacheType) {
psessionEntry->gLim11bParams.numSta++;
pe_debug("11B,");
} else if (eLIM_PROT_STA_CACHE_TYPE_llG == protStaCacheType) {
psessionEntry->gLim11gParams.numSta++;
pe_debug("11G,");
} else if (eLIM_PROT_STA_CACHE_TYPE_HT20 == protStaCacheType) {
psessionEntry->gLimHt20Params.numSta++;
pe_debug("HT20,");
}
if (!gfSupported) {
psessionEntry->gLimNonGfParams.numSta++;
pe_debug("NonGf,");
}
if (!lsigTxopSupported) {
psessionEntry->gLimLsigTxopParams.numSta++;
pe_debug("!lsigTxopSupported");
}
} /* --------------------------------------------------------------------- */
/** -------------------------------------------------------------
\fn lim_decide_ap_protection
\brief Decides all the protection related staiton coexistence and also sets
\ short preamble and short slot appropriately. This function will be called
\ when AP is ready to send assocRsp tp the station joining right now.
\param tpAniSirGlobal pMac
\param tSirMacAddr peerMacAddr
\return None
-------------------------------------------------------------*/
void
lim_decide_ap_protection(tpAniSirGlobal pMac, tSirMacAddr peerMacAddr,
tpUpdateBeaconParams pBeaconParams,
tpPESession psessionEntry)
{
uint16_t tmpAid;
tpDphHashNode pStaDs;
enum band_info rfBand = BAND_UNKNOWN;
uint32_t phyMode;
tLimProtStaCacheType protStaCacheType =
eLIM_PROT_STA_CACHE_TYPE_INVALID;
tHalBitVal gfSupported = eHAL_SET, lsigTxopSupported = eHAL_SET;
pBeaconParams->paramChangeBitmap = 0;
/* check whether to enable protection or not */
pStaDs =
dph_lookup_hash_entry(pMac, peerMacAddr, &tmpAid,
&psessionEntry->dph.dphHashTable);
if (NULL == pStaDs) {
pe_err("pStaDs is NULL");
return;
}
lim_get_rf_band_new(pMac, &rfBand, psessionEntry);
/* if we are in 5 GHZ band */
if (BAND_5G == rfBand) {
/* We are 11N. we need to protect from 11A and Ht20. we don't need any other protection in 5 GHZ. */
/* HT20 case is common between both the bands and handled down as common code. */
if (true == psessionEntry->htCapability) {
/* we are 11N and 11A station is joining. */
/* protection from 11A required. */
if (false == pStaDs->mlmStaContext.htCapability) {
lim_update_11a_protection(pMac, true, false,
pBeaconParams,
psessionEntry);
return;
}
}
} else if (BAND_2G == rfBand) {
lim_get_phy_mode(pMac, &phyMode, psessionEntry);
/* We are 11G. Check if we need protection from 11b Stations. */
if ((phyMode == WNI_CFG_PHY_MODE_11G) &&
(false == psessionEntry->htCapability)) {
if (pStaDs->erpEnabled == eHAL_CLEAR) {
protStaCacheType = eLIM_PROT_STA_CACHE_TYPE_llB;
/* enable protection */
pe_debug("Enabling protection from 11B");
lim_enable11g_protection(pMac, true, false,
pBeaconParams,
psessionEntry);
}
}
/* HT station. */
if (true == psessionEntry->htCapability) {
/* check if we need protection from 11b station */
if ((pStaDs->erpEnabled == eHAL_CLEAR) &&
(!pStaDs->mlmStaContext.htCapability)) {
protStaCacheType = eLIM_PROT_STA_CACHE_TYPE_llB;
/* enable protection */
pe_debug("Enabling protection from 11B");
lim_enable11g_protection(pMac, true, false,
pBeaconParams,
psessionEntry);
}
/* station being joined is non-11b and non-ht ==> 11g device */
else if (!pStaDs->mlmStaContext.htCapability) {
protStaCacheType = eLIM_PROT_STA_CACHE_TYPE_llG;
/* enable protection */
lim_enable_ht_protection_from11g(pMac, true, false,
pBeaconParams,
psessionEntry);
}
/* ERP mode is enabled for the latest station joined */
/* latest station joined is HT capable */
/* This case is being handled in common code (commn between both the bands) below. */
}
}
/* we are HT and HT station is joining. This code is common for both the bands. */
if ((true == psessionEntry->htCapability) &&
(true == pStaDs->mlmStaContext.htCapability)) {
if (!pStaDs->htGreenfield) {
lim_enable_ht_non_gf_protection(pMac, true, false,
pBeaconParams,
psessionEntry);
gfSupported = eHAL_CLEAR;
}
/* Station joining is HT 20Mhz */
if ((eHT_CHANNEL_WIDTH_20MHZ ==
pStaDs->htSupportedChannelWidthSet) &&
(eHT_CHANNEL_WIDTH_20MHZ !=
psessionEntry->htSupportedChannelWidthSet)){
protStaCacheType = eLIM_PROT_STA_CACHE_TYPE_HT20;
lim_enable_ht20_protection(pMac, true, false,
pBeaconParams, psessionEntry);
}
/* Station joining does not support LSIG TXOP Protection */
if (!pStaDs->htLsigTXOPProtection) {
lim_enable_ht_lsig_txop_protection(pMac, false, false,
pBeaconParams,
psessionEntry);
lsigTxopSupported = eHAL_CLEAR;
}
}
lim_update_prot_sta_params(pMac, peerMacAddr, protStaCacheType,
gfSupported, lsigTxopSupported, psessionEntry);
return;
}
/** -------------------------------------------------------------
\fn lim_enable_overlap11g_protection
\brief wrapper function for setting overlap 11g protection.
\param tpAniSirGlobal pMac
\param tpUpdateBeaconParams pBeaconParams
\param tpSirMacMgmtHdr pMh
\return None
-------------------------------------------------------------*/
void
lim_enable_overlap11g_protection(tpAniSirGlobal pMac,
tpUpdateBeaconParams pBeaconParams,
tpSirMacMgmtHdr pMh, tpPESession psessionEntry)
{
lim_update_overlap_sta_param(pMac, pMh->bssId,
&(psessionEntry->gLimOlbcParams));
if (psessionEntry->gLimOlbcParams.numSta &&
!psessionEntry->gLimOlbcParams.protectionEnabled) {
/* enable protection */
pe_debug("OLBC happens!!!");
lim_enable11g_protection(pMac, true, true, pBeaconParams,
psessionEntry);
}
}
/**
* lim_update_short_preamble() - This function Updates short preamble
* @mac_ctx: pointer to Global MAC structure
* @peer_mac_addr: pointer to tSirMacAddr
* @pbeaconparams: pointer to tpUpdateBeaconParams
* @psession_entry: pointer to tpPESession
*
* Function Updates short preamble if needed when a new station joins
*
* Return: none
*/
void
lim_update_short_preamble(tpAniSirGlobal mac_ctx, tSirMacAddr peer_mac_addr,
tpUpdateBeaconParams beaconparams,
tpPESession psession_entry)
{
uint16_t aid;
tpDphHashNode sta_ds;
uint32_t phy_mode;
uint16_t i;
/* check whether to enable protection or not */
sta_ds =
dph_lookup_hash_entry(mac_ctx, peer_mac_addr, &aid,
&psession_entry->dph.dphHashTable);
lim_get_phy_mode(mac_ctx, &phy_mode, psession_entry);
if (sta_ds == NULL || phy_mode != WNI_CFG_PHY_MODE_11G)
return;
if (sta_ds->shortPreambleEnabled != eHAL_CLEAR)
return;
pe_debug("Short Preamble is not enabled in Assoc Req from");
lim_print_mac_addr(mac_ctx, peer_mac_addr, LOGD);
for (i = 0; i < LIM_PROT_STA_CACHE_SIZE; i++) {
if (LIM_IS_AP_ROLE(psession_entry) &&
(psession_entry->gLimNoShortParams.
staNoShortCache[i].active) &&
(!qdf_mem_cmp
(psession_entry->gLimNoShortParams.
staNoShortCache[i].addr,
peer_mac_addr, sizeof(tSirMacAddr))))
return;
else if (!LIM_IS_AP_ROLE(psession_entry) &&
(mac_ctx->lim.gLimNoShortParams.
staNoShortCache[i].active) &&
(!qdf_mem_cmp(mac_ctx->lim.gLimNoShortParams.
staNoShortCache[i].addr,
peer_mac_addr,
sizeof(tSirMacAddr))))
return;
}
for (i = 0; i < LIM_PROT_STA_CACHE_SIZE; i++) {
if (LIM_IS_AP_ROLE(psession_entry) &&
!psession_entry->gLimNoShortParams.
staNoShortCache[i].active)
break;
else if (!mac_ctx->lim.gLimNoShortParams.
staNoShortCache[i].active)
break;
}
if (i >= LIM_PROT_STA_CACHE_SIZE) {
tLimNoShortParams *lim_params =
&psession_entry->gLimNoShortParams;
if (LIM_IS_AP_ROLE(psession_entry)) {
pe_err("No space in Short cache active: %d sta: %d for sta",
i, lim_params->numNonShortPreambleSta);
lim_print_mac_addr(mac_ctx, peer_mac_addr, LOGE);
return;
} else {
pe_err("No space in Short cache active: %d sta: %d for sta",
i, lim_params->numNonShortPreambleSta);
lim_print_mac_addr(mac_ctx, peer_mac_addr, LOGE);
return;
}
}
if (LIM_IS_AP_ROLE(psession_entry)) {
qdf_mem_copy(psession_entry->gLimNoShortParams.
staNoShortCache[i].addr,
peer_mac_addr, sizeof(tSirMacAddr));
psession_entry->gLimNoShortParams.staNoShortCache[i].
active = true;
psession_entry->gLimNoShortParams.numNonShortPreambleSta++;
} else {
qdf_mem_copy(mac_ctx->lim.gLimNoShortParams.
staNoShortCache[i].addr,
peer_mac_addr, sizeof(tSirMacAddr));
mac_ctx->lim.gLimNoShortParams.staNoShortCache[i].active = true;
mac_ctx->lim.gLimNoShortParams.numNonShortPreambleSta++;
}
/* enable long preamble */
pe_debug("Disabling short preamble");
if (lim_enable_short_preamble(mac_ctx, false, beaconparams,
psession_entry) != QDF_STATUS_SUCCESS)
pe_err("Cannot enable long preamble");
}
/**
* lim_update_short_slot_time() - This function Updates short slot time
* @mac_ctx: pointer to Global MAC structure
* @peer_mac_addr: pointer to tSirMacAddr
* @beacon_params: pointer to tpUpdateBeaconParams
* @psession_entry: pointer to tpPESession
*
* Function Updates short slot time if needed when a new station joins
*
* Return: None
*/
void
lim_update_short_slot_time(tpAniSirGlobal mac_ctx, tSirMacAddr peer_mac_addr,
tpUpdateBeaconParams beacon_params,
tpPESession session_entry)
{
uint16_t aid;
tpDphHashNode sta_ds;
uint32_t phy_mode;
uint32_t val;
uint16_t i;
/* check whether to enable protection or not */
sta_ds = dph_lookup_hash_entry(mac_ctx, peer_mac_addr, &aid,
&session_entry->dph.dphHashTable);
lim_get_phy_mode(mac_ctx, &phy_mode, session_entry);
if (sta_ds == NULL || phy_mode != WNI_CFG_PHY_MODE_11G)
return;
/*
* Only in case of softap in 11g mode, slot time might change
* depending on the STA being added. In 11a case, it should
* be always 1 and in 11b case, it should be always 0.
* Only when the new STA has short slot time disabled, we need to
* change softap's overall slot time settings else the default for
* softap is always short slot enabled. When the last long slot STA
* leaves softAP, we take care of it in lim_decide_short_slot
*/
if (sta_ds->shortSlotTimeEnabled != eHAL_CLEAR)
return;
pe_debug("Short Slot Time is not enabled in Assoc Req from");
lim_print_mac_addr(mac_ctx, peer_mac_addr, LOGD);
for (i = 0; i < LIM_PROT_STA_CACHE_SIZE; i++) {
if (LIM_IS_AP_ROLE(session_entry) &&
session_entry->gLimNoShortSlotParams.
staNoShortSlotCache[i].active) {
if (!qdf_mem_cmp(session_entry->
gLimNoShortSlotParams.staNoShortSlotCache[i].addr,
peer_mac_addr, sizeof(tSirMacAddr)))
return;
} else if (!LIM_IS_AP_ROLE(session_entry)) {
if (mac_ctx->lim.gLimNoShortSlotParams.
staNoShortSlotCache[i].active) {
if (!qdf_mem_cmp(mac_ctx->
lim.gLimNoShortSlotParams.
staNoShortSlotCache[i].addr,
peer_mac_addr, sizeof(tSirMacAddr)))
return;
}
}
}
for (i = 0; i < LIM_PROT_STA_CACHE_SIZE; i++) {
if (LIM_IS_AP_ROLE(session_entry) &&
!session_entry->gLimNoShortSlotParams.
staNoShortSlotCache[i].active)
break;
else
if (!mac_ctx->lim.gLimNoShortSlotParams.
staNoShortSlotCache[i].active)
break;
}
if (i >= LIM_PROT_STA_CACHE_SIZE) {
if (LIM_IS_AP_ROLE(session_entry)) {
pe_err("No space in ShortSlot cache active: %d sta: %d for sta",
i, session_entry->gLimNoShortSlotParams.
numNonShortSlotSta);
lim_print_mac_addr(mac_ctx, peer_mac_addr, LOGE);
return;
} else {
pe_err("No space in ShortSlot cache active: %d sta: %d for sta",
i, mac_ctx->lim.gLimNoShortSlotParams.
numNonShortSlotSta);
lim_print_mac_addr(mac_ctx, peer_mac_addr, LOGE);
return;
}
}
if (LIM_IS_AP_ROLE(session_entry)) {
qdf_mem_copy(session_entry->gLimNoShortSlotParams.
staNoShortSlotCache[i].addr,
peer_mac_addr, sizeof(tSirMacAddr));
session_entry->gLimNoShortSlotParams.
staNoShortSlotCache[i].active = true;
session_entry->gLimNoShortSlotParams.numNonShortSlotSta++;
} else {
qdf_mem_copy(mac_ctx->lim.gLimNoShortSlotParams.
staNoShortSlotCache[i].addr,
peer_mac_addr, sizeof(tSirMacAddr));
mac_ctx->lim.gLimNoShortSlotParams.
staNoShortSlotCache[i].active = true;
mac_ctx->lim.gLimNoShortSlotParams.
numNonShortSlotSta++;
}
wlan_cfg_get_int(mac_ctx, WNI_CFG_11G_SHORT_SLOT_TIME_ENABLED, &val);
/*
* Here we check if we are AP role and short slot enabled
* (both admin and oper modes) but we have atleast one STA
* connected with only long slot enabled, we need to change
* our beacon/pb rsp to broadcast short slot disabled
*/
if ((LIM_IS_AP_ROLE(session_entry)) && (val &&
session_entry->gLimNoShortSlotParams.numNonShortSlotSta
&& session_entry->shortSlotTimeSupported)) {
/* enable long slot time */
beacon_params->fShortSlotTime = false;
beacon_params->paramChangeBitmap |=
PARAM_SHORT_SLOT_TIME_CHANGED;
pe_debug("Disable short slot time. Enable long slot time");
session_entry->shortSlotTimeSupported = false;
} else if (!LIM_IS_AP_ROLE(session_entry) &&
(val && mac_ctx->lim.gLimNoShortSlotParams.
numNonShortSlotSta &&
session_entry->shortSlotTimeSupported)) {
/* enable long slot time */
beacon_params->fShortSlotTime = false;
beacon_params->paramChangeBitmap |=
PARAM_SHORT_SLOT_TIME_CHANGED;
pe_debug("Disable short slot time. Enable long slot time");
session_entry->shortSlotTimeSupported = false;
}
}
/** -------------------------------------------------------------
\fn lim_decide_sta_protection_on_assoc
\brief Decide protection related settings on Sta while association.
\param tpAniSirGlobal pMac
\param tpSchBeaconStruct pBeaconStruct
\return None
-------------------------------------------------------------*/
void
lim_decide_sta_protection_on_assoc(tpAniSirGlobal pMac,
tpSchBeaconStruct pBeaconStruct,
tpPESession psessionEntry)
{
enum band_info rfBand = BAND_UNKNOWN;
uint32_t phyMode = WNI_CFG_PHY_MODE_NONE;
lim_get_rf_band_new(pMac, &rfBand, psessionEntry);
lim_get_phy_mode(pMac, &phyMode, psessionEntry);
if (BAND_5G == rfBand) {
if ((eSIR_HT_OP_MODE_MIXED == pBeaconStruct->HTInfo.opMode) ||
(eSIR_HT_OP_MODE_OVERLAP_LEGACY ==
pBeaconStruct->HTInfo.opMode)) {
if (pMac->lim.cfgProtection.fromlla)
psessionEntry->beaconParams.llaCoexist = true;
} else if (eSIR_HT_OP_MODE_NO_LEGACY_20MHZ_HT ==
pBeaconStruct->HTInfo.opMode) {
if (pMac->lim.cfgProtection.ht20)
psessionEntry->beaconParams.ht20Coexist = true;
}
} else if (BAND_2G == rfBand) {
/* spec 7.3.2.13 */
/* UseProtection will be set when nonERP STA is associated. */
/* NonERPPresent bit will be set when: */
/* --nonERP Sta is associated OR */
/* --nonERP Sta exists in overlapping BSS */
/* when useProtection is not set then protection from nonERP stations is optional. */
/* CFG protection from 11b is enabled and */
/* 11B device in the BSS */
/* TODO, This is not sessionized */
if (phyMode != WNI_CFG_PHY_MODE_11B) {
if (pMac->lim.cfgProtection.fromllb &&
pBeaconStruct->erpPresent &&
(pBeaconStruct->erpIEInfo.useProtection ||
pBeaconStruct->erpIEInfo.nonErpPresent)) {
psessionEntry->beaconParams.llbCoexist = true;
}
/* AP has no 11b station associated. */
else {
psessionEntry->beaconParams.llbCoexist = false;
}
}
/* following code block is only for HT station. */
if ((psessionEntry->htCapability) &&
(pBeaconStruct->HTInfo.present)) {
tDot11fIEHTInfo htInfo = pBeaconStruct->HTInfo;
/* Obss Non HT STA present mode */
psessionEntry->beaconParams.gHTObssMode =
(uint8_t) htInfo.obssNonHTStaPresent;
/* CFG protection from 11G is enabled and */
/* our AP has at least one 11G station associated. */
if (pMac->lim.cfgProtection.fromllg &&
((eSIR_HT_OP_MODE_MIXED == htInfo.opMode) ||
(eSIR_HT_OP_MODE_OVERLAP_LEGACY == htInfo.opMode))
&& (!psessionEntry->beaconParams.llbCoexist)) {
if (pMac->lim.cfgProtection.fromllg)
psessionEntry->beaconParams.llgCoexist =
true;
}
/* AP has only HT stations associated and at least one station is HT 20 */
/* disable protection from any non-HT devices. */
/* decision for disabling protection from 11b has already been taken above. */
if (eSIR_HT_OP_MODE_NO_LEGACY_20MHZ_HT == htInfo.opMode) {
/* Disable protection from 11G station. */
psessionEntry->beaconParams.llgCoexist = false;
/* CFG protection from HT 20 is enabled. */
if (pMac->lim.cfgProtection.ht20)
psessionEntry->beaconParams.
ht20Coexist = true;
}
/* Disable protection from non-HT and HT20 devices. */
/* decision for disabling protection from 11b has already been taken above. */
if (eSIR_HT_OP_MODE_PURE == htInfo.opMode) {
psessionEntry->beaconParams.llgCoexist = false;
psessionEntry->beaconParams.ht20Coexist = false;
}
}
}
/* protection related factors other than HT operating mode. Applies to 2.4 GHZ as well as 5 GHZ. */
if ((psessionEntry->htCapability) && (pBeaconStruct->HTInfo.present)) {
tDot11fIEHTInfo htInfo = pBeaconStruct->HTInfo;
psessionEntry->beaconParams.fRIFSMode =
(uint8_t) htInfo.rifsMode;
psessionEntry->beaconParams.llnNonGFCoexist =
(uint8_t) htInfo.nonGFDevicesPresent;
psessionEntry->beaconParams.fLsigTXOPProtectionFullSupport =
(uint8_t) htInfo.lsigTXOPProtectionFullSupport;
}
}
/**
* lim_decide_sta_11bg_protection() - decides protection related settings on sta
* @mac_ctx: pointer to global mac structure
* @beacon_struct: pointer to tpschbeaconstruct
* @beaconparams: pointer to tpupdatebeaconparams
* @psession_entry: pointer to tppesession
* @phy_mode: phy mode index
*
* decides 11bg protection related settings on sta while processing beacon
*
* Return: none
*/
static void
lim_decide_sta_11bg_protection(tpAniSirGlobal mac_ctx,
tpSchBeaconStruct beacon_struct,
tpUpdateBeaconParams beaconparams,
tpPESession psession_entry,
uint32_t phy_mode)
{
tDot11fIEHTInfo htInfo;
/*
* spec 7.3.2.13
* UseProtection will be set when nonERP STA is associated.
* NonERPPresent bit will be set when:
* --nonERP Sta is associated OR
* --nonERP Sta exists in overlapping BSS
* when useProtection is not set then protection from
* nonERP stations is optional.
*/
if (phy_mode != WNI_CFG_PHY_MODE_11B) {
if (beacon_struct->erpPresent &&
(beacon_struct->erpIEInfo.useProtection ||
beacon_struct->erpIEInfo.nonErpPresent)) {
lim_enable11g_protection(mac_ctx, true, false,
beaconparams,
psession_entry);
}
/* AP has no 11b station associated. */
else {
/* disable protection from 11b station */
lim_enable11g_protection(mac_ctx, false, false,
beaconparams,
psession_entry);
}
}
if (!(psession_entry->htCapability) ||
!(beacon_struct->HTInfo.present))
return;
/* following code is only for HT station. */
htInfo = beacon_struct->HTInfo;
/* AP has at least one 11G station associated. */
if (((eSIR_HT_OP_MODE_MIXED == htInfo.opMode) ||
(eSIR_HT_OP_MODE_OVERLAP_LEGACY == htInfo.opMode)) &&
(!psession_entry->beaconParams.llbCoexist)) {
lim_enable_ht_protection_from11g(mac_ctx, true, false,
beaconparams, psession_entry);
}
/*
* no HT operating mode change ==> no change in
* protection settings except for MIXED_MODE/Legacy
* Mode.
*/
/*
* in Mixed mode/legacy Mode even if there is no
* change in HT operating mode, there might be
* change in 11bCoexist or 11gCoexist. Hence this
* check is being done after mixed/legacy mode
* check.
*/
if (mac_ctx->lim.gHTOperMode !=
(tSirMacHTOperatingMode)htInfo.opMode) {
mac_ctx->lim.gHTOperMode =
(tSirMacHTOperatingMode) htInfo.opMode;
/*
* AP has only HT stations associated and
* at least one station is HT 20
*/
/* disable protection from any non-HT devices. */
/*
* decision for disabling protection from
* 11b has already been taken above.
*/
if (eSIR_HT_OP_MODE_NO_LEGACY_20MHZ_HT ==
htInfo.opMode) {
/* Disable protection from 11G station. */
lim_enable_ht_protection_from11g(mac_ctx, false,
false, beaconparams,
psession_entry);
lim_enable_ht20_protection(mac_ctx, true, false,
beaconparams,
psession_entry);
}
/*
* Disable protection from non-HT and
* HT20 devices.
*/
/*
* decision for disabling protection from
* 11b has already been taken above.
*/
else if (eSIR_HT_OP_MODE_PURE == htInfo.opMode) {
lim_enable_ht_protection_from11g(mac_ctx, false,
false, beaconparams,
psession_entry);
lim_enable_ht20_protection(mac_ctx, false,
false, beaconparams,
psession_entry);
}
}
}
/**
* lim_decide_sta_protection() - decides protection related settings on sta
* @mac_ctx: pointer to global mac structure
* @beacon_struct: pointer to tpschbeaconstruct
* @beaconparams: pointer to tpupdatebeaconparams
* @psession_entry: pointer to tppesession
*
* decides protection related settings on sta while processing beacon
*
* Return: none
*/
void
lim_decide_sta_protection(tpAniSirGlobal mac_ctx,
tpSchBeaconStruct beacon_struct,
tpUpdateBeaconParams beaconparams,
tpPESession psession_entry)
{
enum band_info rfband = BAND_UNKNOWN;
uint32_t phy_mode = WNI_CFG_PHY_MODE_NONE;
lim_get_rf_band_new(mac_ctx, &rfband, psession_entry);
lim_get_phy_mode(mac_ctx, &phy_mode, psession_entry);
if ((BAND_5G == rfband) &&
/* we are HT capable. */
(true == psession_entry->htCapability) &&
(beacon_struct->HTInfo.present)) {
/*
* we are HT capable, AP's HT OPMode is
* mixed / overlap legacy ==> need protection
* from 11A.
*/
if ((eSIR_HT_OP_MODE_MIXED ==
beacon_struct->HTInfo.opMode) ||
(eSIR_HT_OP_MODE_OVERLAP_LEGACY ==
beacon_struct->HTInfo.opMode)) {
lim_update_11a_protection(mac_ctx, true, false,
beaconparams, psession_entry);
}
/*
* we are HT capable, AP's HT OPMode is
* HT20 ==> disable protection from 11A if
* enabled.
*/
/* protection from HT20 if needed. */
else if (eSIR_HT_OP_MODE_NO_LEGACY_20MHZ_HT ==
beacon_struct->HTInfo.opMode) {
lim_update_11a_protection(mac_ctx, false, false,
beaconparams, psession_entry);
lim_enable_ht20_protection(mac_ctx, true, false,
beaconparams, psession_entry);
} else if (eSIR_HT_OP_MODE_PURE ==
beacon_struct->HTInfo.opMode) {
lim_update_11a_protection(mac_ctx, false, false,
beaconparams, psession_entry);
lim_enable_ht20_protection(mac_ctx, false,
false, beaconparams,
psession_entry);
}
} else if (BAND_2G == rfband) {
lim_decide_sta_11bg_protection(mac_ctx, beacon_struct,
beaconparams, psession_entry, phy_mode);
}
/*
* following code block is only for HT station.
* (2.4 GHZ as well as 5 GHZ)
*/
if ((psession_entry->htCapability) && (beacon_struct->HTInfo.present)) {
tDot11fIEHTInfo htInfo = beacon_struct->HTInfo;
/*
* Check for changes in protection related factors other
* than HT operating mode.
*/
/*
* Check for changes in RIFS mode, nonGFDevicesPresent,
* lsigTXOPProtectionFullSupport.
*/
if (psession_entry->beaconParams.fRIFSMode !=
(uint8_t) htInfo.rifsMode) {
beaconparams->fRIFSMode =
psession_entry->beaconParams.fRIFSMode =
(uint8_t) htInfo.rifsMode;
beaconparams->paramChangeBitmap |=
PARAM_RIFS_MODE_CHANGED;
}
if (psession_entry->beaconParams.llnNonGFCoexist !=
htInfo.nonGFDevicesPresent) {
beaconparams->llnNonGFCoexist =
psession_entry->beaconParams.llnNonGFCoexist =
(uint8_t) htInfo.nonGFDevicesPresent;
beaconparams->paramChangeBitmap |=
PARAM_NON_GF_DEVICES_PRESENT_CHANGED;
}
if (psession_entry->beaconParams.
fLsigTXOPProtectionFullSupport !=
(uint8_t) htInfo.lsigTXOPProtectionFullSupport) {
beaconparams->fLsigTXOPProtectionFullSupport =
psession_entry->beaconParams.
fLsigTXOPProtectionFullSupport =
(uint8_t) htInfo.
lsigTXOPProtectionFullSupport;
beaconparams->paramChangeBitmap |=
PARAM_LSIG_TXOP_FULL_SUPPORT_CHANGED;
}
/*
* For Station just update the global lim variable,
* no need to send message to HAL since Station already
* taking care of HT OPR Mode=01,
* meaning AP is seeing legacy
*/
/* stations in overlapping BSS. */
if (psession_entry->beaconParams.gHTObssMode !=
(uint8_t) htInfo.obssNonHTStaPresent)
psession_entry->beaconParams.gHTObssMode =
(uint8_t) htInfo.obssNonHTStaPresent;
}
}
/**
* lim_process_channel_switch_timeout()
*
***FUNCTION:
* This function is invoked when Channel Switch Timer expires at
* the STA. Now, STA must stop traffic, and then change/disable
* primary or secondary channel.
*
*
***NOTE:
* @param pMac - Pointer to Global MAC structure
* @return None
*/
void lim_process_channel_switch_timeout(tpAniSirGlobal pMac)
{
tpPESession psessionEntry = NULL;
uint8_t channel; /* This is received and stored from channelSwitch Action frame */
psessionEntry = pe_find_session_by_session_id(pMac,
pMac->lim.limTimers.gLimChannelSwitchTimer.sessionId);
if (psessionEntry == NULL) {
pe_err("Session Does not exist for given sessionID");
return;
}
if (!LIM_IS_STA_ROLE(psessionEntry)) {
pe_warn("Channel switch can be done only in STA role, Current Role: %d",
GET_LIM_SYSTEM_ROLE(psessionEntry));
return;
}
if (psessionEntry->gLimSpecMgmt.dot11hChanSwState !=
eLIM_11H_CHANSW_RUNNING) {
pe_warn("Channel switch timer should not have been running in state: %d",
psessionEntry->gLimSpecMgmt.dot11hChanSwState);
return;
}
channel = psessionEntry->gLimChannelSwitch.primaryChannel;
/* Restore Channel Switch parameters to default */
psessionEntry->gLimChannelSwitch.switchTimeoutValue = 0;
/* Channel-switch timeout has occurred. reset the state */
psessionEntry->gLimSpecMgmt.dot11hChanSwState = eLIM_11H_CHANSW_END;
/* Check if the AP is switching to a channel that we support.
* Else, just don't bother to switch. Indicate HDD to look for a
* better AP to associate
*/
if (!lim_is_channel_valid_for_channel_switch(pMac, channel)) {
/* We need to restore pre-channelSwitch state on the STA */
if (lim_restore_pre_channel_switch_state(pMac, psessionEntry) !=
QDF_STATUS_SUCCESS) {
pe_err("Could not restore pre-channelSwitch (11h) state, resetting the system");
return;
}
/*
* If the channel-list that AP is asking us to switch is invalid
* then we cannot switch the channel. Just disassociate from AP.
* We will find a better AP !!!
*/
if ((psessionEntry->limMlmState ==
eLIM_MLM_LINK_ESTABLISHED_STATE) &&
(psessionEntry->limSmeState != eLIM_SME_WT_DISASSOC_STATE) &&
(psessionEntry->limSmeState != eLIM_SME_WT_DEAUTH_STATE)) {
pe_err("Invalid channel! Disconnect");
lim_tear_down_link_with_ap(pMac,
pMac->lim.limTimers.
gLimChannelSwitchTimer.sessionId,
eSIR_MAC_UNSPEC_FAILURE_REASON);
return;
}
}
lim_covert_channel_scan_type(pMac, psessionEntry->currentOperChannel,
false);
pMac->lim.dfschannelList.timeStamp[psessionEntry->currentOperChannel] =
0;
switch (psessionEntry->gLimChannelSwitch.state) {
case eLIM_CHANNEL_SWITCH_PRIMARY_ONLY:
pe_warn("CHANNEL_SWITCH_PRIMARY_ONLY");
lim_switch_primary_channel(pMac,
psessionEntry->gLimChannelSwitch.
primaryChannel, psessionEntry);
psessionEntry->gLimChannelSwitch.state =
eLIM_CHANNEL_SWITCH_IDLE;
break;
case eLIM_CHANNEL_SWITCH_PRIMARY_AND_SECONDARY:
pe_warn("CHANNEL_SWITCH_PRIMARY_AND_SECONDARY");
lim_switch_primary_secondary_channel(pMac, psessionEntry,
psessionEntry->gLimChannelSwitch.primaryChannel,
psessionEntry->gLimChannelSwitch.ch_center_freq_seg0,
psessionEntry->gLimChannelSwitch.ch_center_freq_seg1,
psessionEntry->gLimChannelSwitch.ch_width);
psessionEntry->gLimChannelSwitch.state =
eLIM_CHANNEL_SWITCH_IDLE;
break;
case eLIM_CHANNEL_SWITCH_IDLE:
default:
pe_err("incorrect state");
if (lim_restore_pre_channel_switch_state(pMac, psessionEntry) !=
QDF_STATUS_SUCCESS) {
pe_err("Could not restore pre-channelSwitch (11h) state, resetting the system");
}
return; /* Please note, this is 'return' and not 'break' */
}
}
/**
* lim_update_channel_switch() - This Function updates channel switch
* @mac_ctx: pointer to Global MAC structure
* @beacon: pointer to tpSirProbeRespBeacon
* @psessionentry: pointer to tpPESession
*
* This function is invoked whenever Station receives
* either 802.11h channel switch IE or airgo proprietary
* channel switch IE.
*
* Return: none
*/
void
lim_update_channel_switch(struct sAniSirGlobal *mac_ctx,
tpSirProbeRespBeacon beacon,
tpPESession psession_entry)
{
uint16_t beacon_period;
tDot11fIEChanSwitchAnn *chnl_switch;
tLimChannelSwitchInfo *ch_switch_params;
tDot11fIEWiderBWChanSwitchAnn *widerchnl_switch;
beacon_period = psession_entry->beaconParams.beaconInterval;
/* 802.11h standard channel switch IE */
chnl_switch = &(beacon->channelSwitchIE);
ch_switch_params = &psession_entry->gLimChannelSwitch;
ch_switch_params->primaryChannel =
chnl_switch->newChannel;
ch_switch_params->switchCount = chnl_switch->switchCount;
ch_switch_params->switchTimeoutValue =
SYS_MS_TO_TICKS(beacon_period) * (chnl_switch->switchCount);
ch_switch_params->switchMode = chnl_switch->switchMode;
widerchnl_switch = &(beacon->WiderBWChanSwitchAnn);
if (beacon->WiderBWChanSwitchAnnPresent) {
psession_entry->gLimWiderBWChannelSwitch.newChanWidth =
widerchnl_switch->newChanWidth;
psession_entry->gLimWiderBWChannelSwitch.newCenterChanFreq0 =
widerchnl_switch->newCenterChanFreq0;
psession_entry->gLimWiderBWChannelSwitch.newCenterChanFreq1 =
widerchnl_switch->newCenterChanFreq1;
}
/* Only primary channel switch element is present */
ch_switch_params->state =
eLIM_CHANNEL_SWITCH_PRIMARY_ONLY;
ch_switch_params->ch_width = CH_WIDTH_20MHZ;
/*
* Do not bother to look and operate on extended channel switch element
* if our own channel-bonding state is not enabled
*/
if (psession_entry->htSupportedChannelWidthSet &&
beacon->sec_chan_offset_present) {
if (beacon->sec_chan_offset.secondaryChannelOffset ==
PHY_DOUBLE_CHANNEL_LOW_PRIMARY) {
ch_switch_params->state =
eLIM_CHANNEL_SWITCH_PRIMARY_AND_SECONDARY;
ch_switch_params->ch_width = CH_WIDTH_40MHZ;
ch_switch_params->ch_center_freq_seg0 =
ch_switch_params->primaryChannel + 2;
} else if (beacon->sec_chan_offset.secondaryChannelOffset ==
PHY_DOUBLE_CHANNEL_HIGH_PRIMARY) {
ch_switch_params->state =
eLIM_CHANNEL_SWITCH_PRIMARY_AND_SECONDARY;
ch_switch_params->ch_width = CH_WIDTH_40MHZ;
ch_switch_params->ch_center_freq_seg0 =
ch_switch_params->primaryChannel - 2;
}
if (psession_entry->vhtCapability &&
beacon->WiderBWChanSwitchAnnPresent) {
ch_switch_params->ch_width =
widerchnl_switch->newChanWidth + 1;
ch_switch_params->ch_center_freq_seg0 =
psession_entry->gLimWiderBWChannelSwitch.
newCenterChanFreq0;
ch_switch_params->ch_center_freq_seg1 =
psession_entry->gLimWiderBWChannelSwitch.
newCenterChanFreq1;
}
}
if (QDF_STATUS_SUCCESS != lim_start_channel_switch(mac_ctx, psession_entry))
pe_warn("Could not start Channel Switch");
pe_debug("session: %d primary chl: %d ch_width: %d count: %d (%d ticks)",
psession_entry->peSessionId,
psession_entry->gLimChannelSwitch.primaryChannel,
psession_entry->gLimChannelSwitch.ch_width,
psession_entry->gLimChannelSwitch.switchCount,
psession_entry->gLimChannelSwitch.switchTimeoutValue);
return;
}
/**
* lim_cancel_dot11h_channel_switch
*
***FUNCTION:
* This function is called when STA does not send updated channel-swith IE
* after indicating channel-switch start. This will cancel the channel-swith
* timer which is already running.
*
***LOGIC:
*
***ASSUMPTIONS:
*
***NOTE:
*
* @param pMac - Pointer to Global MAC structure
*
* @return None
*/
void lim_cancel_dot11h_channel_switch(tpAniSirGlobal pMac,
tpPESession psessionEntry)
{
if (!LIM_IS_STA_ROLE(psessionEntry))
return;
pe_debug("Received a beacon without channel switch IE");
MTRACE(mac_trace
(pMac, TRACE_CODE_TIMER_DEACTIVATE,
psessionEntry->peSessionId, eLIM_CHANNEL_SWITCH_TIMER));
if (tx_timer_deactivate(&pMac->lim.limTimers.gLimChannelSwitchTimer) !=
QDF_STATUS_SUCCESS) {
pe_err("tx_timer_deactivate failed!");
}
/* We need to restore pre-channelSwitch state on the STA */
if (lim_restore_pre_channel_switch_state(pMac, psessionEntry) !=
QDF_STATUS_SUCCESS) {
pe_err("LIM: Could not restore pre-channelSwitch (11h) state, resetting the system");
}
}
/**
* lim_cancel_dot11h_quiet()
*
* @mac_ctx: pointer to global mac structure
* @psession_entry: pointer to tppesession
*
* Cancel the quieting on Station if latest beacon
* doesn't contain quiet IE in it.
*
* Return: none
*/
void lim_cancel_dot11h_quiet(tpAniSirGlobal pMac, tpPESession psessionEntry)
{
if (!LIM_IS_STA_ROLE(psessionEntry))
return;
if (psessionEntry->gLimSpecMgmt.quietState == eLIM_QUIET_BEGIN) {
MTRACE(mac_trace
(pMac, TRACE_CODE_TIMER_DEACTIVATE,
psessionEntry->peSessionId, eLIM_QUIET_TIMER));
if (tx_timer_deactivate(&pMac->lim.limTimers.gLimQuietTimer) !=
TX_SUCCESS) {
pe_err("tx_timer_deactivate failed");
}
} else if (psessionEntry->gLimSpecMgmt.quietState == eLIM_QUIET_RUNNING) {
MTRACE(mac_trace
(pMac, TRACE_CODE_TIMER_DEACTIVATE,
psessionEntry->peSessionId, eLIM_QUIET_BSS_TIMER));
if (tx_timer_deactivate(&pMac->lim.limTimers.gLimQuietBssTimer)
!= TX_SUCCESS) {
pe_err("tx_timer_deactivate failed");
}
/**
* If the channel switch is already running in silent mode, dont resume the
* transmission. Channel switch timer when timeout, transmission will be resumed.
*/
if (!
((psessionEntry->gLimSpecMgmt.dot11hChanSwState ==
eLIM_11H_CHANSW_RUNNING)
&& (psessionEntry->gLimChannelSwitch.switchMode ==
eSIR_CHANSW_MODE_SILENT))) {
lim_frame_transmission_control(pMac, eLIM_TX_ALL,
eLIM_RESUME_TX);
lim_restore_pre_quiet_state(pMac, psessionEntry);
}
}
psessionEntry->gLimSpecMgmt.quietState = eLIM_QUIET_INIT;
}
/**
* lim_process_quiet_timeout
*
* FUNCTION:
* This function is active only on the STA.
* Handles SIR_LIM_QUIET_TIMEOUT
*
* LOGIC:
* This timeout can occur under only one circumstance:
*
* 1) When gLimQuietState = eLIM_QUIET_BEGIN
* This indicates that the timeout "interval" has
* expired. This is a trigger for the STA to now
* shut-off Tx/Rx for the specified gLimQuietDuration
* -> The TIMER object gLimQuietBssTimer is
* activated
* -> With timeout = gLimQuietDuration
* -> gLimQuietState is set to eLIM_QUIET_RUNNING
*
* ASSUMPTIONS:
* Using two TIMER objects -
* gLimQuietTimer & gLimQuietBssTimer
*
* NOTE:
*
* @param pMac - Pointer to Global MAC structure
*
* @return None
*/
void lim_process_quiet_timeout(tpAniSirGlobal pMac)
{
tpPESession psessionEntry;
psessionEntry = pe_find_session_by_session_id(pMac,
pMac->lim.limTimers.gLimQuietTimer.sessionId);
if (psessionEntry == NULL) {
pe_err("Session Does not exist for given sessionID");
return;
}
pe_debug("quietState: %d", psessionEntry->gLimSpecMgmt.quietState);
switch (psessionEntry->gLimSpecMgmt.quietState) {
case eLIM_QUIET_BEGIN:
/* Time to Stop data traffic for quietDuration */
/* lim_deactivate_and_change_timer(pMac, eLIM_QUIET_BSS_TIMER); */
if (TX_SUCCESS != tx_timer_deactivate(
&pMac->lim.limTimers.gLimQuietBssTimer)) {
pe_err("Unable to de-activate gLimQuietBssTimer! Will attempt to activate anyway");
}
/* gLimQuietDuration appears to be in units of ticks */
/* Use it as is */
if (TX_SUCCESS !=
tx_timer_change(&pMac->lim.limTimers.gLimQuietBssTimer,
psessionEntry->gLimSpecMgmt.quietDuration,
0)) {
pe_err("Unable to change gLimQuietBssTimer! Will still attempt to activate anyway");
}
MTRACE(mac_trace
(pMac, TRACE_CODE_TIMER_ACTIVATE,
pMac->lim.limTimers.gLimQuietTimer.sessionId,
eLIM_QUIET_BSS_TIMER));
if (TX_SUCCESS !=
tx_timer_activate(&pMac->lim.limTimers.gLimQuietBssTimer)) {
pe_warn("Unable to activate gLimQuietBssTimer! The STA will be unable to honor Quiet BSS");
} else {
/* Transition to eLIM_QUIET_RUNNING */
psessionEntry->gLimSpecMgmt.quietState =
eLIM_QUIET_RUNNING;
/* Shut-off Tx/Rx for gLimSpecMgmt.quietDuration */
/* freeze the transmission */
lim_frame_transmission_control(pMac, eLIM_TX_ALL,
eLIM_STOP_TX);
pe_debug("Quiet BSS: STA shutting down for %d ticks",
psessionEntry->gLimSpecMgmt.quietDuration);
}
break;
case eLIM_QUIET_RUNNING:
case eLIM_QUIET_INIT:
case eLIM_QUIET_END:
default:
/* */
/* As of now, nothing to be done */
/* */
break;
}
}
/**
* lim_process_quiet_bss_timeout() - Handles SIR_LIM_QUIET_BSS_TIMEOUT
* @mac_ctx: pointer to Globale Mac Structure
*
* This function is active on the AP and STA.
* Handles SIR_LIM_QUIET_BSS_TIMEOUT
*
* On the AP -
* When the SIR_LIM_QUIET_BSS_TIMEOUT is triggered, it is
* an indication for the AP to START sending out the
* Quiet BSS IE.
* If 802.11H is enabled, the Quiet BSS IE is sent as per
* the 11H spec
* If 802.11H is not enabled, the Quiet BSS IE is sent as
* a Proprietary IE. This will be understood by all the
* TITAN STA's
* Transitioning gLimQuietState to eLIM_QUIET_BEGIN will
* initiate the SCH to include the Quiet BSS IE in all
* its subsequent Beacons/PR's.
* The Quiet BSS IE will be included in all the Beacons
* & PR's until the next DTIM period
*
* On the STA -
* When gLimQuietState = eLIM_QUIET_RUNNING
* This indicates that the STA was successfully shut-off
* for the specified gLimQuietDuration. This is a trigger
* for the STA to now resume data traffic.
* -> gLimQuietState is set to eLIM_QUIET_INIT
*
*
* Return: none
*/
void lim_process_quiet_bss_timeout(tpAniSirGlobal mac_ctx)
{
tpPESession psession_entry = NULL;
tLimTimers *lim_timer = &mac_ctx->lim.limTimers;
psession_entry = pe_find_session_by_session_id(mac_ctx,
lim_timer->gLimQuietBssTimer.sessionId);
if (psession_entry == NULL) {
pe_err("Session Does not exist for given sessionID");
return;
}
pe_debug("quietState: %d",
psession_entry->gLimSpecMgmt.quietState);
if (LIM_IS_AP_ROLE(psession_entry))
return;
/* eLIM_STA_ROLE */
switch (psession_entry->gLimSpecMgmt.quietState) {
case eLIM_QUIET_RUNNING:
/* Transition to eLIM_QUIET_INIT */
psession_entry->gLimSpecMgmt.quietState = eLIM_QUIET_INIT;
/*
* Resume data traffic only if channel switch is
* not running in silent mode.
*/
if (!((psession_entry->gLimSpecMgmt.dot11hChanSwState ==
eLIM_11H_CHANSW_RUNNING) &&
(psession_entry->gLimChannelSwitch.switchMode ==
eSIR_CHANSW_MODE_SILENT))) {
lim_frame_transmission_control(mac_ctx, eLIM_TX_ALL,
eLIM_RESUME_TX);
lim_restore_pre_quiet_state(mac_ctx, psession_entry);
}
pe_debug("Quiet BSS: Resuming traffic");
break;
case eLIM_QUIET_INIT:
case eLIM_QUIET_BEGIN:
case eLIM_QUIET_END:
pe_debug("Quiet state not in RUNNING");
/*
* If the quiet period has ended, then resume the
* frame transmission
*/
lim_frame_transmission_control(mac_ctx, eLIM_TX_ALL,
eLIM_RESUME_TX);
lim_restore_pre_quiet_state(mac_ctx, psession_entry);
psession_entry->gLimSpecMgmt.quietState = eLIM_QUIET_INIT;
break;
default:
/* As of now, nothing to be done */
break;
}
}
/**----------------------------------------------
\fn lim_start_quiet_timer
\brief Starts the quiet timer.
\param pMac
\return NONE
-----------------------------------------------*/
void lim_start_quiet_timer(tpAniSirGlobal pMac, uint8_t sessionId)
{
tpPESession psessionEntry;
psessionEntry = pe_find_session_by_session_id(pMac, sessionId);
if (psessionEntry == NULL) {
pe_err("Session Does not exist for given sessionID");
return;
}
if (!LIM_IS_STA_ROLE(psessionEntry))
return;
/* First, de-activate Timer, if its already active */
lim_cancel_dot11h_quiet(pMac, psessionEntry);
MTRACE(mac_trace
(pMac, TRACE_CODE_TIMER_ACTIVATE, sessionId, eLIM_QUIET_TIMER));
if (TX_SUCCESS !=
tx_timer_deactivate(&pMac->lim.limTimers.gLimQuietTimer)) {
pe_err("Unable to deactivate gLimQuietTimer! Will still attempt to re-activate anyway");
}
/* Set the NEW timeout value, in ticks */
if (TX_SUCCESS != tx_timer_change(&pMac->lim.limTimers.gLimQuietTimer,
SYS_MS_TO_TICKS(psessionEntry->
gLimSpecMgmt.
quietTimeoutValue),
0)) {
pe_err("Unable to change gLimQuietTimer! Will still attempt to re-activate anyway");
}
pMac->lim.limTimers.gLimQuietTimer.sessionId = sessionId;
if (TX_SUCCESS !=
tx_timer_activate(&pMac->lim.limTimers.gLimQuietTimer)) {
pe_err("Unable to activate gLimQuietTimer! STA cannot honor Quiet BSS!");
lim_restore_pre_quiet_state(pMac, psessionEntry);
psessionEntry->gLimSpecMgmt.quietState = eLIM_QUIET_INIT;
return;
}
}
/** ------------------------------------------------------------------------ **/
/**
* keep track of the number of ANI peers associated in the BSS
* For the first and last ANI peer, we have to update EDCA params as needed
*
* When the first ANI peer joins the BSS, we notify SCH
* When the last ANI peer leaves the BSS, we notfiy SCH
*/
void
lim_util_count_sta_add(tpAniSirGlobal pMac,
tpDphHashNode pSta, tpPESession psessionEntry)
{
if ((!pSta) || (!pSta->valid) || (pSta->fAniCount))
return;
pSta->fAniCount = 1;
if (pMac->lim.gLimNumOfAniSTAs++ != 0)
return;
/* get here only if this is the first ANI peer in the BSS */
sch_edca_profile_update(pMac, psessionEntry);
}
void
lim_util_count_sta_del(tpAniSirGlobal pMac,
tpDphHashNode pSta, tpPESession psessionEntry)
{
if ((pSta == NULL) || (!pSta->fAniCount))
return;
/* Only if sta is invalid and the validInDummyState bit is set to 1,
* then go ahead and update the count and profiles. This ensures
* that the "number of ani station" count is properly incremented/decremented.
*/
if (pSta->valid == 1)
return;
pSta->fAniCount = 0;
if (pMac->lim.gLimNumOfAniSTAs <= 0) {
pe_err("CountStaDel: ignoring Delete Req when AniPeer count: %d",
pMac->lim.gLimNumOfAniSTAs);
return;
}
pMac->lim.gLimNumOfAniSTAs--;
if (pMac->lim.gLimNumOfAniSTAs != 0)
return;
/* get here only if this is the last ANI peer in the BSS */
sch_edca_profile_update(pMac, psessionEntry);
}
/**
* lim_switch_channel_cback()
*
***FUNCTION:
* This is the callback function registered while requesting to switch channel
* after AP indicates a channel switch for spectrum management (11h).
*
***NOTE:
* @param pMac Pointer to Global MAC structure
* @param status Status of channel switch request
* @param data User data
* @param psessionEntry Session information
* @return NONE
*/
void lim_switch_channel_cback(tpAniSirGlobal pMac, QDF_STATUS status,
uint32_t *data, tpPESession psessionEntry)
{
struct scheduler_msg mmhMsg = { 0 };
tSirSmeSwitchChannelInd *pSirSmeSwitchChInd;
psessionEntry->currentOperChannel = psessionEntry->currentReqChannel;
/* We need to restore pre-channelSwitch state on the STA */
if (lim_restore_pre_channel_switch_state(pMac, psessionEntry) !=
QDF_STATUS_SUCCESS) {
pe_err("Could not restore pre-channelSwitch (11h) state, resetting the system");
return;
}
mmhMsg.type = eWNI_SME_SWITCH_CHL_IND;
pSirSmeSwitchChInd = qdf_mem_malloc(sizeof(tSirSmeSwitchChannelInd));
if (NULL == pSirSmeSwitchChInd) {
pe_err("Failed to allocate buffer for buffer descriptor");
return;
}
pSirSmeSwitchChInd->messageType = eWNI_SME_SWITCH_CHL_IND;
pSirSmeSwitchChInd->length = sizeof(tSirSmeSwitchChannelInd);
pSirSmeSwitchChInd->newChannelId =
psessionEntry->gLimChannelSwitch.primaryChannel;
pSirSmeSwitchChInd->sessionId = psessionEntry->smeSessionId;
pSirSmeSwitchChInd->chan_params.ch_width =
psessionEntry->gLimChannelSwitch.ch_width;
pSirSmeSwitchChInd->chan_params.sec_ch_offset =
psessionEntry->gLimChannelSwitch.sec_ch_offset;
pSirSmeSwitchChInd->chan_params.center_freq_seg0 =
psessionEntry->gLimChannelSwitch.ch_center_freq_seg0;
pSirSmeSwitchChInd->chan_params.center_freq_seg1 =
psessionEntry->gLimChannelSwitch.ch_center_freq_seg1;
pe_debug("session: %d chan: %d width: %d sec offset: %d seg0: %d seg1: %d",
pSirSmeSwitchChInd->sessionId,
pSirSmeSwitchChInd->newChannelId,
pSirSmeSwitchChInd->chan_params.ch_width,
pSirSmeSwitchChInd->chan_params.sec_ch_offset,
pSirSmeSwitchChInd->chan_params.center_freq_seg0,
pSirSmeSwitchChInd->chan_params.center_freq_seg1);
qdf_mem_copy(pSirSmeSwitchChInd->bssid.bytes, psessionEntry->bssId,
QDF_MAC_ADDR_SIZE);
mmhMsg.bodyptr = pSirSmeSwitchChInd;
mmhMsg.bodyval = 0;
MTRACE(mac_trace(pMac, TRACE_CODE_TX_SME_MSG,
psessionEntry->peSessionId, mmhMsg.type));
sys_process_mmh_msg(pMac, &mmhMsg);
}
/**
* lim_switch_primary_channel()
*
***FUNCTION:
* This function changes the current operating channel
* and sets the new new channel ID in WNI_CFG_CURRENT_CHANNEL.
*
***NOTE:
* @param pMac Pointer to Global MAC structure
* @param newChannel new chnannel ID
* @return NONE
*/
void lim_switch_primary_channel(tpAniSirGlobal pMac, uint8_t newChannel,
tpPESession psessionEntry)
{
pe_debug("old chnl: %d --> new chnl: %d",
psessionEntry->currentOperChannel, newChannel);
psessionEntry->currentReqChannel = newChannel;
psessionEntry->limRFBand = lim_get_rf_band(newChannel);
psessionEntry->channelChangeReasonCode = LIM_SWITCH_CHANNEL_OPERATION;
pMac->lim.gpchangeChannelCallback = lim_switch_channel_cback;
pMac->lim.gpchangeChannelData = NULL;
lim_send_switch_chnl_params(pMac, newChannel, 0, 0, CH_WIDTH_20MHZ,
psessionEntry->maxTxPower,
psessionEntry->peSessionId, false, 0, 0);
return;
}
/**
* lim_switch_primary_secondary_channel()
*
***FUNCTION:
* This function changes the primary and secondary channel.
* If 11h is enabled and user provides a "new channel ID"
* that is different from the current operating channel,
* then we must set this new channel in WNI_CFG_CURRENT_CHANNEL,
* assign notify LIM of such change.
*
***NOTE:
* @param pMac Pointer to Global MAC structure
* @param newChannel New chnannel ID (or current channel ID)
* @param subband CB secondary info:
* - eANI_CB_SECONDARY_NONE
* - eANI_CB_SECONDARY_UP
* - eANI_CB_SECONDARY_DOWN
* @return NONE
*/
void lim_switch_primary_secondary_channel(tpAniSirGlobal pMac,
tpPESession psessionEntry,
uint8_t newChannel,
uint8_t ch_center_freq_seg0,
uint8_t ch_center_freq_seg1,
enum phy_ch_width ch_width)
{
/* Assign the callback to resume TX once channel is changed. */
psessionEntry->currentReqChannel = newChannel;
psessionEntry->limRFBand = lim_get_rf_band(newChannel);
psessionEntry->channelChangeReasonCode = LIM_SWITCH_CHANNEL_OPERATION;
pMac->lim.gpchangeChannelCallback = lim_switch_channel_cback;
pMac->lim.gpchangeChannelData = NULL;
lim_send_switch_chnl_params(pMac, newChannel, ch_center_freq_seg0,
ch_center_freq_seg1, ch_width,
psessionEntry->maxTxPower,
psessionEntry->peSessionId,
false, 0, 0);
/* Store the new primary and secondary channel in session entries if different */
if (psessionEntry->currentOperChannel != newChannel) {
pe_warn("switch old chnl: %d --> new chnl: %d",
psessionEntry->currentOperChannel, newChannel);
psessionEntry->currentOperChannel = newChannel;
}
if (psessionEntry->htSecondaryChannelOffset !=
psessionEntry->gLimChannelSwitch.sec_ch_offset) {
pe_warn("switch old sec chnl: %d --> new sec chnl: %d",
psessionEntry->htSecondaryChannelOffset,
psessionEntry->gLimChannelSwitch.sec_ch_offset);
psessionEntry->htSecondaryChannelOffset =
psessionEntry->gLimChannelSwitch.sec_ch_offset;
if (psessionEntry->htSecondaryChannelOffset ==
PHY_SINGLE_CHANNEL_CENTERED) {
psessionEntry->htSupportedChannelWidthSet =
WNI_CFG_CHANNEL_BONDING_MODE_DISABLE;
} else {
psessionEntry->htSupportedChannelWidthSet =
WNI_CFG_CHANNEL_BONDING_MODE_ENABLE;
}
psessionEntry->htRecommendedTxWidthSet =
psessionEntry->htSupportedChannelWidthSet;
}
return;
}
/**
* lim_get_ht_capability()
*
***FUNCTION:
* A utility function that returns the "current HT capability state" for the HT
* capability of interest (as requested in the API)
*
***LOGIC:
* This routine will return with the "current" setting of a requested HT
* capability. This state info could be retrieved from -
* a) CFG (for static entries)
* b) Run time info
* - Dynamic state maintained by LIM
* - Configured at radio init time by SME
*
*
***ASSUMPTIONS:
* NA
*
***NOTE:
*
* @param pMac Pointer to Global MAC structure
* @param htCap The HT capability being queried
* @return uint8_t The current state of the requested HT capability is returned in a
* uint8_t variable
*/
uint8_t lim_get_ht_capability(tpAniSirGlobal pMac,
uint32_t htCap, tpPESession psessionEntry)
{
uint8_t retVal = 0;
uint8_t *ptr;
uint32_t cfgValue;
struct mlme_ht_capabilities_info ht_cap_info = { 0 };
tSirMacExtendedHTCapabilityInfo macExtHTCapabilityInfo = { 0 };
tSirMacTxBFCapabilityInfo macTxBFCapabilityInfo = { 0 };
tSirMacASCapabilityInfo macASCapabilityInfo = { 0 };
/* */
/* Determine which CFG to read from. Not ALL of the HT */
/* related CFG's need to be read each time this API is */
/* accessed */
/* */
if (htCap >= eHT_ANTENNA_SELECTION && htCap < eHT_SI_GRANULARITY) {
/* Get Antenna Seletion HT Capabilities */
if (QDF_STATUS_SUCCESS !=
wlan_cfg_get_int(pMac, WNI_CFG_AS_CAP, &cfgValue))
cfgValue = 0;
ptr = (uint8_t *) &macASCapabilityInfo;
*((uint8_t *) ptr) = (uint8_t) (cfgValue & 0xff);
} else {
if (htCap >= eHT_TX_BEAMFORMING &&
htCap < eHT_ANTENNA_SELECTION) {
/* Get Transmit Beam Forming HT Capabilities */
if (QDF_STATUS_SUCCESS !=
wlan_cfg_get_int(pMac, WNI_CFG_TX_BF_CAP, &cfgValue))
cfgValue = 0;
ptr = (uint8_t *) &macTxBFCapabilityInfo;
*((uint32_t *) ptr) = (uint32_t) (cfgValue);
} else {
if (htCap >= eHT_PCO && htCap < eHT_TX_BEAMFORMING) {
/* Get Extended HT Capabilities */
if (QDF_STATUS_SUCCESS !=
wlan_cfg_get_int(pMac,
WNI_CFG_EXT_HT_CAP_INFO,
&cfgValue))
cfgValue = 0;
ptr = (uint8_t *) &macExtHTCapabilityInfo;
*((uint16_t *) ptr) =
(uint16_t) (cfgValue & 0xffff);
} else {
if (htCap < eHT_MAX_RX_AMPDU_FACTOR) {
/* Get HT Capabilities */
cfgValue = *(uint32_t *)
&pMac->mlme_cfg->ht_caps.
ht_cap_info;
ptr = (uint8_t *)&ht_cap_info;
/* CR 265282 MDM SoftAP 2.4PL: SoftAP boot up crash in 2.4 PL builds while same WLAN SU is working on 2.1 PL */
*ptr++ = cfgValue & 0xff;
*ptr = (cfgValue >> 8) & 0xff;
}
}
}
}
switch (htCap) {
case eHT_LSIG_TXOP_PROTECTION:
retVal = pMac->lim.gHTLsigTXOPProtection;
break;
case eHT_STBC_CONTROL_FRAME:
retVal = (uint8_t)ht_cap_info.stbcControlFrame;
break;
case eHT_PSMP:
retVal = pMac->lim.gHTPSMPSupport;
break;
case eHT_DSSS_CCK_MODE_40MHZ:
retVal = pMac->lim.gHTDsssCckRate40MHzSupport;
break;
case eHT_MAX_AMSDU_LENGTH:
retVal = (uint8_t)ht_cap_info.maximalAMSDUsize;
break;
case eHT_MAX_AMSDU_NUM:
retVal = (uint8_t) psessionEntry->max_amsdu_num;
break;
case eHT_RX_STBC:
retVal = (uint8_t) psessionEntry->htConfig.ht_rx_stbc;
break;
case eHT_TX_STBC:
retVal = (uint8_t) psessionEntry->htConfig.ht_tx_stbc;
break;
case eHT_SHORT_GI_40MHZ:
retVal = (uint8_t) (psessionEntry->htConfig.ht_sgi40) ?
ht_cap_info.shortGI40MHz : 0;
break;
case eHT_SHORT_GI_20MHZ:
retVal = (uint8_t) (psessionEntry->htConfig.ht_sgi20) ?
ht_cap_info.shortGI20MHz : 0;
break;
case eHT_GREENFIELD:
retVal = (uint8_t)ht_cap_info.greenField;
break;
case eHT_MIMO_POWER_SAVE:
retVal = (uint8_t) pMac->lim.gHTMIMOPSState;
break;
case eHT_SUPPORTED_CHANNEL_WIDTH_SET:
retVal = (uint8_t) psessionEntry->htSupportedChannelWidthSet;
break;
case eHT_ADVANCED_CODING:
retVal = (uint8_t) psessionEntry->htConfig.ht_rx_ldpc;
break;
case eHT_MAX_RX_AMPDU_FACTOR:
retVal = pMac->lim.gHTMaxRxAMpduFactor;
break;
case eHT_MPDU_DENSITY:
retVal = pMac->lim.gHTAMpduDensity;
break;
case eHT_PCO:
retVal = (uint8_t) macExtHTCapabilityInfo.pco;
break;
case eHT_TRANSITION_TIME:
retVal = (uint8_t) macExtHTCapabilityInfo.transitionTime;
break;
case eHT_MCS_FEEDBACK:
retVal = (uint8_t) macExtHTCapabilityInfo.mcsFeedback;
break;
case eHT_TX_BEAMFORMING:
retVal = (uint8_t) macTxBFCapabilityInfo.txBF;
break;
case eHT_ANTENNA_SELECTION:
retVal = (uint8_t) macASCapabilityInfo.antennaSelection;
break;
case eHT_SI_GRANULARITY:
retVal = pMac->lim.gHTServiceIntervalGranularity;
break;
case eHT_CONTROLLED_ACCESS:
retVal = pMac->lim.gHTControlledAccessOnly;
break;
case eHT_RIFS_MODE:
retVal = psessionEntry->beaconParams.fRIFSMode;
break;
case eHT_RECOMMENDED_TX_WIDTH_SET:
retVal = psessionEntry->htRecommendedTxWidthSet;
break;
case eHT_EXTENSION_CHANNEL_OFFSET:
retVal = psessionEntry->htSecondaryChannelOffset;
break;
case eHT_OP_MODE:
if (LIM_IS_AP_ROLE(psessionEntry))
retVal = psessionEntry->htOperMode;
else
retVal = pMac->lim.gHTOperMode;
break;
case eHT_BASIC_STBC_MCS:
retVal = pMac->lim.gHTSTBCBasicMCS;
break;
case eHT_DUAL_CTS_PROTECTION:
retVal = pMac->lim.gHTDualCTSProtection;
break;
case eHT_LSIG_TXOP_PROTECTION_FULL_SUPPORT:
retVal =
psessionEntry->beaconParams.fLsigTXOPProtectionFullSupport;
break;
case eHT_PCO_ACTIVE:
retVal = pMac->lim.gHTPCOActive;
break;
case eHT_PCO_PHASE:
retVal = pMac->lim.gHTPCOPhase;
break;
default:
break;
}
return retVal;
}
/**
* lim_enable_11a_protection() - updates protection params for enable 11a
* protection request
* @mac_ctx: pointer to Global MAC structure
* @overlap: 1=> called from overlap context, 0 => called from assoc context.
* @bcn_prms: beacon parameters
* @pe_session: pe session entry
*
* This function updates protection params for enable 11a protection request
*
* @Return: void
*/
static void
lim_enable_11a_protection(tpAniSirGlobal mac_ctx,
uint8_t overlap,
tpUpdateBeaconParams bcn_prms,
tpPESession pe_session)
{
/*
* If we are AP and HT capable, we need to set the HT OP mode
* appropriately.
*/
if (LIM_IS_AP_ROLE(pe_session) && (true == pe_session->htCapability)) {
if (overlap) {
pe_session->gLimOverlap11aParams.protectionEnabled =
true;
if ((eSIR_HT_OP_MODE_OVERLAP_LEGACY !=
mac_ctx->lim.gHTOperMode)
&& (eSIR_HT_OP_MODE_MIXED !=
mac_ctx->lim.gHTOperMode)) {
mac_ctx->lim.gHTOperMode =
eSIR_HT_OP_MODE_OVERLAP_LEGACY;
pe_session->htOperMode =
eSIR_HT_OP_MODE_OVERLAP_LEGACY;
lim_enable_ht_rifs_protection(mac_ctx, true,
overlap, bcn_prms, pe_session);
lim_enable_ht_obss_protection(mac_ctx, true,
overlap, bcn_prms, pe_session);
}
} else {
pe_session->gLim11aParams.protectionEnabled = true;
if (eSIR_HT_OP_MODE_MIXED != pe_session->htOperMode) {
mac_ctx->lim.gHTOperMode =
eSIR_HT_OP_MODE_MIXED;
pe_session->htOperMode = eSIR_HT_OP_MODE_MIXED;
lim_enable_ht_rifs_protection(mac_ctx, true,
overlap, bcn_prms, pe_session);
lim_enable_ht_obss_protection(mac_ctx, true,
overlap, bcn_prms, pe_session);
}
}
}
/* This part is common for station as well. */
if (false == pe_session->beaconParams.llaCoexist) {
pe_warn(" => protection from 11A Enabled");
bcn_prms->llaCoexist = true;
pe_session->beaconParams.llaCoexist = true;
bcn_prms->paramChangeBitmap |= PARAM_llACOEXIST_CHANGED;
}
}
/**
* lim_disable_11a_protection() - updates protection params for disable 11a
* protection request
* @mac_ctx: pointer to Global MAC structure
* @overlap: 1=> called from overlap context, 0 => called from assoc context.
* @bcn_prms: beacon parameters
* @pe_session: pe session entry
*
* This function updates protection params for disable 11a protection request
*
* @Return: void
*/
static void
lim_disable_11a_protection(tpAniSirGlobal mac_ctx,
uint8_t overlap,
tpUpdateBeaconParams bcn_prms,
tpPESession pe_session)
{
if (false == pe_session->beaconParams.llaCoexist)
return;
/* for station role */
if (!LIM_IS_AP_ROLE(pe_session)) {
pe_debug("===> Protection from 11A Disabled");
bcn_prms->llaCoexist = false;
pe_session->beaconParams.llaCoexist = false;
bcn_prms->paramChangeBitmap |= PARAM_llACOEXIST_CHANGED;
return;
}
/*
* for AP role.
* we need to take care of HT OP mode change if needed.
* We need to take care of Overlap cases.
*/
if (overlap) {
/* Overlap Legacy protection disabled. */
pe_session->gLimOverlap11aParams.protectionEnabled = false;
/*
* We need to take care of HT OP mode iff we are HT AP.
* OR no HT op-mode change is needed if any of the overlap
* protection enabled.
*/
if (!pe_session->htCapability ||
(pe_session->gLimOverlap11aParams.protectionEnabled
|| pe_session->gLimOverlapHt20Params.protectionEnabled
|| pe_session->gLimOverlapNonGfParams.protectionEnabled))
goto disable_11a_end;
/* Check if there is a need to change HT OP mode. */
if (eSIR_HT_OP_MODE_OVERLAP_LEGACY ==
mac_ctx->lim.gHTOperMode) {
lim_enable_ht_rifs_protection(mac_ctx, false, overlap,
bcn_prms, pe_session);
lim_enable_ht_obss_protection(mac_ctx, false, overlap,
bcn_prms, pe_session);
if (pe_session->gLimHt20Params.protectionEnabled)
mac_ctx->lim.gHTOperMode =
eSIR_HT_OP_MODE_NO_LEGACY_20MHZ_HT;
else
mac_ctx->lim.gHTOperMode = eSIR_HT_OP_MODE_PURE;
}
} else {
/* Disable protection from 11A stations. */
pe_session->gLim11aParams.protectionEnabled = false;
lim_enable_ht_obss_protection(mac_ctx, false, overlap,
bcn_prms, pe_session);
/*
* Check if any other non-HT protection enabled. Right now we
* are in HT OP Mixed mode. Change HT op mode appropriately.
*/
/* Change HT OP mode to 01 if any overlap protection enabled */
if (pe_session->gLimOverlap11aParams.protectionEnabled
|| pe_session->gLimOverlapHt20Params.protectionEnabled
|| pe_session->gLimOverlapNonGfParams.protectionEnabled) {
mac_ctx->lim.gHTOperMode =
eSIR_HT_OP_MODE_OVERLAP_LEGACY;
pe_session->htOperMode = eSIR_HT_OP_MODE_OVERLAP_LEGACY;
lim_enable_ht_rifs_protection(mac_ctx, true, overlap,
bcn_prms, pe_session);
} else if (pe_session->gLimHt20Params.protectionEnabled) {
mac_ctx->lim.gHTOperMode =
eSIR_HT_OP_MODE_NO_LEGACY_20MHZ_HT;
pe_session->htOperMode =
eSIR_HT_OP_MODE_NO_LEGACY_20MHZ_HT;
lim_enable_ht_rifs_protection(mac_ctx, false, overlap,
bcn_prms, pe_session);
} else {
mac_ctx->lim.gHTOperMode = eSIR_HT_OP_MODE_PURE;
pe_session->htOperMode = eSIR_HT_OP_MODE_PURE;
lim_enable_ht_rifs_protection(mac_ctx, false, overlap,
bcn_prms, pe_session);
}
}
disable_11a_end:
if (!pe_session->gLimOverlap11aParams.protectionEnabled &&
!pe_session->gLim11aParams.protectionEnabled) {
pe_warn("===> Protection from 11A Disabled");
bcn_prms->llaCoexist = false;
pe_session->beaconParams.llaCoexist = false;
bcn_prms->paramChangeBitmap |= PARAM_llACOEXIST_CHANGED;
}
}
/**
* lim_update_11a_protection() - based on config setting enables\disables 11a
* protection.
* @mac_ctx: pointer to Global MAC structure
* @enable: 1=> enable protection, 0=> disable protection.
* @overlap: 1=> called from overlap context, 0 => called from assoc context.
* @bcn_prms: beacon parameters
* @session: pe session entry
*
* This based on config setting enables\disables 11a protection.
*
* @Return: success of failure of operation
*/
QDF_STATUS
lim_update_11a_protection(tpAniSirGlobal mac_ctx, uint8_t enable,
uint8_t overlap, tpUpdateBeaconParams bcn_prms,
tpPESession session)
{
if (NULL == session) {
pe_err("session is NULL");
return QDF_STATUS_E_FAILURE;
}
/* overlapping protection configuration check. */
if (!overlap) {
/* normal protection config check */
if ((LIM_IS_AP_ROLE(session)) &&
(!session->cfgProtection.fromlla)) {
/* protection disabled. */
pe_warn("protection from 11a is disabled");
return QDF_STATUS_SUCCESS;
}
}
if (enable)
lim_enable_11a_protection(mac_ctx, overlap, bcn_prms, session);
else
lim_disable_11a_protection(mac_ctx, overlap, bcn_prms, session);
return QDF_STATUS_SUCCESS;
}
/**
* lim_handle_enable11g_protection_enabled() - handle 11g protection enabled
* @mac_ctx: pointer to Globale Mac structure
* @beaconparams: pointer to tpUpdateBeaconParams
* @overlap: 1=> called from overlap context, 0 => called from assoc context.
* @session_entry: pointer to tpPESession
*
* Function handles 11g protection enaled case
*
* Return: none
*/
static void
lim_handle_enable11g_protection_enabled(tpAniSirGlobal mac_ctx,
tpUpdateBeaconParams beaconparams,
uint8_t overlap, tpPESession session_entry)
{
/*
* If we are AP and HT capable, we need to set the HT OP mode
* appropriately.
*/
if (LIM_IS_AP_ROLE(session_entry) && overlap) {
session_entry->gLimOlbcParams.protectionEnabled = true;
pe_debug("protection from olbc is enabled");
if (true == session_entry->htCapability) {
if ((eSIR_HT_OP_MODE_OVERLAP_LEGACY !=
session_entry->htOperMode) &&
(eSIR_HT_OP_MODE_MIXED !=
session_entry->htOperMode)) {
session_entry->htOperMode =
eSIR_HT_OP_MODE_OVERLAP_LEGACY;
}
/*
* CR-263021: OBSS bit is not switching back to 0 after
* disabling the overlapping legacy BSS
*/
/*
* This fixes issue of OBSS bit not set after 11b, 11g
* station leaves
*/
lim_enable_ht_rifs_protection(mac_ctx, true,
overlap, beaconparams, session_entry);
/*
* Not processing OBSS bit from other APs, as we are
* already taking care of Protection from overlapping
* BSS based on erp IE or useProtection bit
*/
lim_enable_ht_obss_protection(mac_ctx, true,
overlap, beaconparams, session_entry);
}
} else if (LIM_IS_AP_ROLE(session_entry) && !overlap) {
session_entry->gLim11bParams.protectionEnabled = true;
pe_debug("protection from 11b is enabled");
if (true == session_entry->htCapability) {
if (eSIR_HT_OP_MODE_MIXED !=
session_entry->htOperMode) {
session_entry->htOperMode =
eSIR_HT_OP_MODE_MIXED;
lim_enable_ht_rifs_protection(mac_ctx,
true, overlap, beaconparams,
session_entry);
lim_enable_ht_obss_protection(mac_ctx,
true, overlap, beaconparams,
session_entry);
}
}
}
/* This part is common for staiton as well. */
if (false == session_entry->beaconParams.llbCoexist) {
pe_debug("=> 11G Protection Enabled");
beaconparams->llbCoexist =
session_entry->beaconParams.llbCoexist = true;
beaconparams->paramChangeBitmap |=
PARAM_llBCOEXIST_CHANGED;
}
}
/**
* lim_handle_11g_protection_for_11bcoexist() - 11g protection for 11b co-ex
* @mac_ctx: pointer to Globale Mac structure
* @beaconparams: pointer to tpUpdateBeaconParams
* @overlap: 1=> called from overlap context, 0 => called from assoc context.
* @session_entry: pointer to tpPESession
*
* Function handles 11g protection for 11b co-exist
*
* Return: none
*/
static void
lim_handle_11g_protection_for_11bcoexist(tpAniSirGlobal mac_ctx,
tpUpdateBeaconParams beaconparams,
uint8_t overlap, tpPESession session_entry)
{
/*
* For AP role:
* we need to take care of HT OP mode change if needed.
* We need to take care of Overlap cases.
*/
if (LIM_IS_AP_ROLE(session_entry) && overlap) {
/* Overlap Legacy protection disabled. */
session_entry->gLimOlbcParams.protectionEnabled = false;
/* We need to take care of HT OP mode if we are HT AP. */
if (session_entry->htCapability) {
/*
* no HT op mode change if any of the overlap
* protection enabled.
*/
if (!(session_entry->gLimOverlap11gParams.
protectionEnabled ||
session_entry->gLimOverlapHt20Params.
protectionEnabled ||
session_entry->gLimOverlapNonGfParams.
protectionEnabled) &&
/*
* Check if there is a need to change HT
* OP mode.
*/
(eSIR_HT_OP_MODE_OVERLAP_LEGACY ==
session_entry->htOperMode)) {
lim_enable_ht_rifs_protection(mac_ctx, false,
overlap, beaconparams, session_entry);
lim_enable_ht_obss_protection(mac_ctx, false,
overlap, beaconparams, session_entry);
if (session_entry->gLimHt20Params.
protectionEnabled) {
if (eHT_CHANNEL_WIDTH_20MHZ ==
session_entry->htSupportedChannelWidthSet)
session_entry->htOperMode =
eSIR_HT_OP_MODE_PURE;
else
session_entry->htOperMode =
eSIR_HT_OP_MODE_NO_LEGACY_20MHZ_HT;
} else
session_entry->htOperMode =
eSIR_HT_OP_MODE_PURE;
}
}
} else if (LIM_IS_AP_ROLE(session_entry) && !overlap) {
/* Disable protection from 11B stations. */
session_entry->gLim11bParams.protectionEnabled = false;
pe_debug("===> 11B Protection Disabled");
/* Check if any other non-HT protection enabled. */
if (!session_entry->gLim11gParams.protectionEnabled) {
/* Right now we are in HT OP Mixed mode. */
/* Change HT op mode appropriately. */
lim_enable_ht_obss_protection(mac_ctx, false, overlap,
beaconparams, session_entry);
/*
* Change HT OP mode to 01 if any overlap protection
* enabled
*/
if (session_entry->gLimOlbcParams.protectionEnabled ||
session_entry->gLimOverlap11gParams.
protectionEnabled ||
session_entry->gLimOverlapHt20Params.
protectionEnabled ||
session_entry->gLimOverlapNonGfParams.
protectionEnabled) {
session_entry->htOperMode =
eSIR_HT_OP_MODE_OVERLAP_LEGACY;
pe_debug("===> 11G Protection Disabled");
lim_enable_ht_rifs_protection(mac_ctx, true,
overlap, beaconparams,
session_entry);
} else if (session_entry->gLimHt20Params.
protectionEnabled) {
/* Commenting because of CR 258588 WFA cert */
/* session_entry->htOperMode =
eSIR_HT_OP_MODE_NO_LEGACY_20MHZ_HT; */
session_entry->htOperMode =
eSIR_HT_OP_MODE_PURE;
pe_debug("===> 11G Protection Disabled");
lim_enable_ht_rifs_protection(mac_ctx, false,
overlap, beaconparams,
session_entry);
} else {
session_entry->htOperMode =
eSIR_HT_OP_MODE_PURE;
lim_enable_ht_rifs_protection(mac_ctx, false,
overlap, beaconparams,
session_entry);
}
}
}
if (LIM_IS_AP_ROLE(session_entry)) {
if (!session_entry->gLimOlbcParams.protectionEnabled &&
!session_entry->gLim11bParams.protectionEnabled) {
pe_debug("===> 11G Protection Disabled");
beaconparams->llbCoexist =
session_entry->beaconParams.llbCoexist =
false;
beaconparams->paramChangeBitmap |=
PARAM_llBCOEXIST_CHANGED;
}
}
/* For station role */
if (!LIM_IS_AP_ROLE(session_entry)) {
pe_debug("===> 11G Protection Disabled");
beaconparams->llbCoexist =
session_entry->beaconParams.llbCoexist = false;
beaconparams->paramChangeBitmap |=
PARAM_llBCOEXIST_CHANGED;
}
}
/**
* lim_enable11g_protection() - Function to enable 11g protection
* @mac_ctx: pointer to Global Mac structure
* @enable: 1=> enable protection, 0=> disable protection.
* @overlap: 1=> called from overlap context, 0 => called from assoc context.
* @beaconparams: pointer to tpUpdateBeaconParams
* @session_entry: pointer to tpPESession
*
* based on config setting enables\disables 11g protection.
*
* Return: Success - QDF_STATUS_SUCCESS - Success, Error number - Failure
*/
QDF_STATUS
lim_enable11g_protection(tpAniSirGlobal mac_ctx, uint8_t enable,
uint8_t overlap, tpUpdateBeaconParams beaconparams,
tpPESession session_entry)
{
/* overlapping protection configuration check. */
if (!overlap) {
/* normal protection config check */
if ((LIM_IS_AP_ROLE(session_entry)) &&
!session_entry->cfgProtection.fromllb) {
/* protection disabled. */
pe_debug("protection from 11b is disabled");
return QDF_STATUS_SUCCESS;
} else if (!LIM_IS_AP_ROLE(session_entry)) {
if (!mac_ctx->lim.cfgProtection.fromllb) {
/* protection disabled. */
pe_debug("protection from 11b is disabled");
return QDF_STATUS_SUCCESS;
}
}
}
if (enable) {
lim_handle_enable11g_protection_enabled(mac_ctx, beaconparams,
overlap, session_entry);
} else if (true == session_entry->beaconParams.llbCoexist) {
lim_handle_11g_protection_for_11bcoexist(mac_ctx, beaconparams,
overlap, session_entry);
}
return QDF_STATUS_SUCCESS;
}
/** -------------------------------------------------------------
\fn lim_enable_ht_protection_from11g
\brief based on cofig enables\disables protection from 11g.
\param uint8_t enable : 1=> enable protection, 0=> disable protection.
\param uint8_t overlap: 1=> called from overlap context, 0 => called from assoc context.
\param tpUpdateBeaconParams pBeaconParams
\return None
-------------------------------------------------------------*/
QDF_STATUS
lim_enable_ht_protection_from11g(tpAniSirGlobal pMac, uint8_t enable,
uint8_t overlap,
tpUpdateBeaconParams pBeaconParams,
tpPESession psessionEntry)
{
if (!psessionEntry->htCapability)
return QDF_STATUS_SUCCESS; /* protection from 11g is only for HT stations. */
/* overlapping protection configuration check. */
if (overlap) {
if ((LIM_IS_AP_ROLE(psessionEntry))
&& (!psessionEntry->cfgProtection.overlapFromllg)) {
/* protection disabled. */
pe_debug("overlap protection from 11g is disabled");
return QDF_STATUS_SUCCESS;
}
} else {
/* normal protection config check */
if (LIM_IS_AP_ROLE(psessionEntry) &&
!psessionEntry->cfgProtection.fromllg) {
/* protection disabled. */
pe_debug("protection from 11g is disabled");
return QDF_STATUS_SUCCESS;
} else if (!LIM_IS_AP_ROLE(psessionEntry)) {
if (!pMac->lim.cfgProtection.fromllg) {
/* protection disabled. */
pe_debug("protection from 11g is disabled");
return QDF_STATUS_SUCCESS;
}
}
}
if (enable) {
/* If we are AP and HT capable, we need to set the HT OP mode */
/* appropriately. */
if (LIM_IS_AP_ROLE(psessionEntry)) {
if (overlap) {
psessionEntry->gLimOverlap11gParams.
protectionEnabled = true;
/* 11g exists in overlap BSS. */
/* need not to change the operating mode to overlap_legacy */
/* if higher or same protection operating mode is enabled right now. */
if ((eSIR_HT_OP_MODE_OVERLAP_LEGACY !=
psessionEntry->htOperMode)
&& (eSIR_HT_OP_MODE_MIXED !=
psessionEntry->htOperMode)) {
psessionEntry->htOperMode =
eSIR_HT_OP_MODE_OVERLAP_LEGACY;
}
lim_enable_ht_rifs_protection(pMac, true, overlap,
pBeaconParams,
psessionEntry);
lim_enable_ht_obss_protection(pMac, true, overlap,
pBeaconParams,
psessionEntry);
} else {
/* 11g is associated to an AP operating in 11n mode. */
/* Change the HT operating mode to 'mixed mode'. */
psessionEntry->gLim11gParams.protectionEnabled =
true;
if (eSIR_HT_OP_MODE_MIXED !=
psessionEntry->htOperMode) {
psessionEntry->htOperMode =
eSIR_HT_OP_MODE_MIXED;
lim_enable_ht_rifs_protection(pMac, true,
overlap,
pBeaconParams,
psessionEntry);
lim_enable_ht_obss_protection(pMac, true,
overlap,
pBeaconParams,
psessionEntry);
}
}
}
/* This part is common for staiton as well. */
if (false == psessionEntry->beaconParams.llgCoexist) {
pBeaconParams->llgCoexist =
psessionEntry->beaconParams.llgCoexist = true;
pBeaconParams->paramChangeBitmap |=
PARAM_llGCOEXIST_CHANGED;
} else if (true ==
psessionEntry->gLimOverlap11gParams.
protectionEnabled) {
/* As operating mode changed after G station assoc some way to update beacon */
/* This addresses the issue of mode not changing to - 11 in beacon when OBSS overlap is enabled */
/* pMac->sch.schObject.fBeaconChanged = 1; */
pBeaconParams->paramChangeBitmap |=
PARAM_llGCOEXIST_CHANGED;
}
} else if (true == psessionEntry->beaconParams.llgCoexist) {
/* for AP role. */
/* we need to take care of HT OP mode change if needed. */
/* We need to take care of Overlap cases. */
if (LIM_IS_AP_ROLE(psessionEntry)) {
if (overlap) {
/* Overlap Legacy protection disabled. */
if (psessionEntry->gLim11gParams.numSta == 0)
psessionEntry->gLimOverlap11gParams.
protectionEnabled = false;
/* no HT op mode change if any of the overlap protection enabled. */
if (!
(psessionEntry->gLimOlbcParams.
protectionEnabled
|| psessionEntry->gLimOverlapHt20Params.
protectionEnabled
|| psessionEntry->gLimOverlapNonGfParams.
protectionEnabled)) {
/* Check if there is a need to change HT OP mode. */
if (eSIR_HT_OP_MODE_OVERLAP_LEGACY ==
psessionEntry->htOperMode) {
lim_enable_ht_rifs_protection(pMac,
false,
overlap,
pBeaconParams,
psessionEntry);
lim_enable_ht_obss_protection(pMac,
false,
overlap,
pBeaconParams,
psessionEntry);
if (psessionEntry->gLimHt20Params.protectionEnabled) {
if (eHT_CHANNEL_WIDTH_20MHZ ==
psessionEntry->htSupportedChannelWidthSet)
psessionEntry->htOperMode =
eSIR_HT_OP_MODE_PURE;
else
psessionEntry->htOperMode =
eSIR_HT_OP_MODE_NO_LEGACY_20MHZ_HT;
} else
psessionEntry->htOperMode =
eSIR_HT_OP_MODE_PURE;
}
}
} else {
/* Disable protection from 11G stations. */
psessionEntry->gLim11gParams.protectionEnabled =
false;
/* Check if any other non-HT protection enabled. */
if (!psessionEntry->gLim11bParams.
protectionEnabled) {
/* Right now we are in HT OP Mixed mode. */
/* Change HT op mode appropriately. */
lim_enable_ht_obss_protection(pMac, false,
overlap,
pBeaconParams,
psessionEntry);
/* Change HT OP mode to 01 if any overlap protection enabled */
if (psessionEntry->gLimOlbcParams.
protectionEnabled
|| psessionEntry->
gLimOverlap11gParams.
protectionEnabled
|| psessionEntry->
gLimOverlapHt20Params.
protectionEnabled
|| psessionEntry->
gLimOverlapNonGfParams.
protectionEnabled) {
psessionEntry->htOperMode =
eSIR_HT_OP_MODE_OVERLAP_LEGACY;
lim_enable_ht_rifs_protection(pMac,
true,
overlap,
pBeaconParams,
psessionEntry);
} else if (psessionEntry->
gLimHt20Params.
protectionEnabled) {
/* Commenting because of CR 258588 WFA cert */
/* psessionEntry->htOperMode = eSIR_HT_OP_MODE_NO_LEGACY_20MHZ_HT; */
psessionEntry->htOperMode =
eSIR_HT_OP_MODE_PURE;
lim_enable_ht_rifs_protection(pMac,
false,
overlap,
pBeaconParams,
psessionEntry);
} else {
psessionEntry->htOperMode =
eSIR_HT_OP_MODE_PURE;
lim_enable_ht_rifs_protection(pMac,
false,
overlap,
pBeaconParams,
psessionEntry);
}
}
}
if (!psessionEntry->gLimOverlap11gParams.
protectionEnabled
&& !psessionEntry->gLim11gParams.
protectionEnabled) {
pe_debug("===> Protection from 11G Disabled");
pBeaconParams->llgCoexist =
psessionEntry->beaconParams.llgCoexist =
false;
pBeaconParams->paramChangeBitmap |=
PARAM_llGCOEXIST_CHANGED;
}
}
/* for station role */
else {
pe_debug("===> Protection from 11G Disabled");
pBeaconParams->llgCoexist =
psessionEntry->beaconParams.llgCoexist = false;
pBeaconParams->paramChangeBitmap |=
PARAM_llGCOEXIST_CHANGED;
}
}
return QDF_STATUS_SUCCESS;
}
/* FIXME_PROTECTION : need to check for no APSD whenever we want to enable this protection. */
/* This check will be done at the caller. */
/** -------------------------------------------------------------
\fn limEnableHtObssProtection
\brief based on cofig enables\disables obss protection.
\param uint8_t enable : 1=> enable protection, 0=> disable protection.
\param uint8_t overlap: 1=> called from overlap context, 0 => called from assoc context.
\param tpUpdateBeaconParams pBeaconParams
\return None
-------------------------------------------------------------*/
QDF_STATUS
lim_enable_ht_obss_protection(tpAniSirGlobal pMac, uint8_t enable,
uint8_t overlap, tpUpdateBeaconParams pBeaconParams,
tpPESession psessionEntry)
{
if (!psessionEntry->htCapability)
return QDF_STATUS_SUCCESS; /* this protection is only for HT stations. */
/* overlapping protection configuration check. */
if (overlap) {
/* overlapping protection configuration check. */
} else {
/* normal protection config check */
if ((LIM_IS_AP_ROLE(psessionEntry)) &&
!psessionEntry->cfgProtection.obss) { /* ToDo Update this field */
/* protection disabled. */
pe_debug("protection from Obss is disabled");
return QDF_STATUS_SUCCESS;
} else if (!LIM_IS_AP_ROLE(psessionEntry)) {
if (!pMac->lim.cfgProtection.obss) { /* ToDo Update this field */
/* protection disabled. */
pe_debug("protection from Obss is disabled");
return QDF_STATUS_SUCCESS;
}
}
}
if (LIM_IS_AP_ROLE(psessionEntry)) {
if ((enable)
&& (false == psessionEntry->beaconParams.gHTObssMode)) {
pe_debug("=>obss protection enabled");
psessionEntry->beaconParams.gHTObssMode = true;
pBeaconParams->paramChangeBitmap |= PARAM_OBSS_MODE_CHANGED; /* UPDATE AN ENUM FOR OBSS MODE <todo> */
} else if (!enable
&& (true ==
psessionEntry->beaconParams.gHTObssMode)) {
pe_debug("===> obss Protection disabled");
psessionEntry->beaconParams.gHTObssMode = false;
pBeaconParams->paramChangeBitmap |=
PARAM_OBSS_MODE_CHANGED;
}
/* CR-263021: OBSS bit is not switching back to 0 after disabling the overlapping legacy BSS */
if (!enable && !overlap) {
psessionEntry->gLimOverlap11gParams.protectionEnabled =
false;
}
} else {
if ((enable)
&& (false == psessionEntry->beaconParams.gHTObssMode)) {
pe_debug("=>obss protection enabled");
psessionEntry->beaconParams.gHTObssMode = true;
pBeaconParams->paramChangeBitmap |= PARAM_OBSS_MODE_CHANGED; /* UPDATE AN ENUM FOR OBSS MODE <todo> */
} else if (!enable
&& (true ==
psessionEntry->beaconParams.gHTObssMode)) {
pe_debug("===> obss Protection disabled");
psessionEntry->beaconParams.gHTObssMode = false;
pBeaconParams->paramChangeBitmap |=
PARAM_OBSS_MODE_CHANGED;
}
}
return QDF_STATUS_SUCCESS;
}
/**
* lim_handle_ht20protection_enabled() - Handle ht20 protection enabled
* @mac_ctx: pointer to Gloal Mac Structure
* @overlap: variable for overlap detection
* @beaconparams: pointer to tpUpdateBeaconParams
* @session_entry: pointer to tpPESession
*
* Function handles ht20 protection enabled
*
* Return: none
*/
static void lim_handle_ht20protection_enabled(tpAniSirGlobal mac_ctx,
uint8_t overlap, tpUpdateBeaconParams beaconparams,
tpPESession session_entry)
{
/*
* If we are AP and HT capable, we need to set the HT OP mode
* appropriately.
*/
if (LIM_IS_AP_ROLE(session_entry) && overlap) {
session_entry->gLimOverlapHt20Params.protectionEnabled = true;
if ((eSIR_HT_OP_MODE_OVERLAP_LEGACY !=
session_entry->htOperMode) &&
(eSIR_HT_OP_MODE_MIXED !=
session_entry->htOperMode)) {
session_entry->htOperMode =
eSIR_HT_OP_MODE_OVERLAP_LEGACY;
lim_enable_ht_rifs_protection(mac_ctx, true,
overlap, beaconparams, session_entry);
}
} else if (LIM_IS_AP_ROLE(session_entry) && !overlap) {
session_entry->gLimHt20Params.protectionEnabled = true;
if (eSIR_HT_OP_MODE_PURE == session_entry->htOperMode) {
if (session_entry->htSupportedChannelWidthSet !=
eHT_CHANNEL_WIDTH_20MHZ)
session_entry->htOperMode =
eSIR_HT_OP_MODE_NO_LEGACY_20MHZ_HT;
lim_enable_ht_rifs_protection(mac_ctx, false,
overlap, beaconparams, session_entry);
lim_enable_ht_obss_protection(mac_ctx, false,
overlap, beaconparams, session_entry);
}
}
/* This part is common for staiton as well. */
if (false == session_entry->beaconParams.ht20Coexist) {
pe_debug("=> Protection from HT20 Enabled");
beaconparams->ht20MhzCoexist =
session_entry->beaconParams.ht20Coexist = true;
beaconparams->paramChangeBitmap |=
PARAM_HT20MHZCOEXIST_CHANGED;
}
}
/**
* lim_handle_ht20coexist_ht20protection() - ht20 protection for ht20 coexist
* @mac_ctx: pointer to Gloal Mac Structure
* @beaconparams: pointer to tpUpdateBeaconParams
* @session_entry: pointer to tpPESession
* @overlap: variable for overlap detection
*
* Function handles ht20 protection for ht20 coexist
*
* Return: none
*/
static void lim_handle_ht20coexist_ht20protection(tpAniSirGlobal mac_ctx,
tpUpdateBeaconParams beaconparams,
tpPESession session_entry, uint8_t overlap)
{
/*
* For AP role:
* we need to take care of HT OP mode change if needed.
* We need to take care of Overlap cases.
*/
if (LIM_IS_AP_ROLE(session_entry) && overlap) {
/* Overlap Legacy protection disabled. */
session_entry->gLimOverlapHt20Params.protectionEnabled =
false;
/*
* no HT op mode change if any of the overlap
* protection enabled.
*/
if (!(session_entry->gLimOlbcParams.protectionEnabled ||
session_entry->gLimOverlap11gParams.protectionEnabled ||
session_entry->gLimOverlapHt20Params.protectionEnabled
|| session_entry->gLimOverlapNonGfParams.
protectionEnabled) &&
/*
* Check if there is a need to change HT
* OP mode.
*/
(eSIR_HT_OP_MODE_OVERLAP_LEGACY ==
session_entry->htOperMode)) {
if (session_entry->gLimHt20Params.
protectionEnabled) {
if (eHT_CHANNEL_WIDTH_20MHZ ==
session_entry->
htSupportedChannelWidthSet)
session_entry->htOperMode =
eSIR_HT_OP_MODE_PURE;
else
session_entry->htOperMode =
eSIR_HT_OP_MODE_NO_LEGACY_20MHZ_HT;
lim_enable_ht_rifs_protection(mac_ctx,
false, overlap, beaconparams,
session_entry);
lim_enable_ht_obss_protection(mac_ctx,
false, overlap, beaconparams,
session_entry);
} else {
session_entry->htOperMode =
eSIR_HT_OP_MODE_PURE;
}
}
} else if (LIM_IS_AP_ROLE(session_entry) && !overlap) {
/* Disable protection from 11G stations. */
session_entry->gLimHt20Params.protectionEnabled = false;
/* Change HT op mode appropriately. */
if (eSIR_HT_OP_MODE_NO_LEGACY_20MHZ_HT ==
session_entry->htOperMode) {
session_entry->htOperMode =
eSIR_HT_OP_MODE_PURE;
lim_enable_ht_rifs_protection(mac_ctx, false,
overlap, beaconparams, session_entry);
lim_enable_ht_obss_protection(mac_ctx, false,
overlap, beaconparams, session_entry);
}
}
if (LIM_IS_AP_ROLE(session_entry)) {
pe_debug("===> Protection from HT 20 Disabled");
beaconparams->ht20MhzCoexist =
session_entry->beaconParams.ht20Coexist = false;
beaconparams->paramChangeBitmap |=
PARAM_HT20MHZCOEXIST_CHANGED;
}
if (!LIM_IS_AP_ROLE(session_entry)) {
/* For station role */
pe_debug("===> Protection from HT20 Disabled");
beaconparams->ht20MhzCoexist =
session_entry->beaconParams.ht20Coexist = false;
beaconparams->paramChangeBitmap |=
PARAM_HT20MHZCOEXIST_CHANGED;
}
}
/**
* lim_enable_ht20_protection() - Function to enable ht20 protection
* @mac_ctx: pointer to Global Mac structure
* @enable: 1=> enable protection, 0=> disable protection.
* @overlap: 1=> called from overlap context, 0 => called from assoc context.
* @beaconparams: pointer to tpUpdateBeaconParams
* @session_entry: pointer to tpPESession
*
* based on cofig enables\disables protection from Ht20
*
* Return: 0 - success
*/
QDF_STATUS lim_enable_ht20_protection(tpAniSirGlobal mac_ctx, uint8_t enable,
uint8_t overlap, tpUpdateBeaconParams beaconparams,
tpPESession session_entry)
{
/* This protection is only for HT stations. */
if (!session_entry->htCapability)
return QDF_STATUS_SUCCESS;
/* overlapping protection configuration check. */
if (!overlap) {
/* normal protection config check */
if ((LIM_IS_AP_ROLE(session_entry)) &&
!session_entry->cfgProtection.ht20) {
/* protection disabled. */
pe_debug("protection from HT20 is disabled");
return QDF_STATUS_SUCCESS;
} else if (!LIM_IS_AP_ROLE(session_entry)) {
if (!mac_ctx->lim.cfgProtection.ht20) {
/* protection disabled. */
pe_debug("protection from HT20 is disabled");
return QDF_STATUS_SUCCESS;
}
}
}
if (enable)
lim_handle_ht20protection_enabled(mac_ctx, overlap,
beaconparams, session_entry);
else if (true == session_entry->beaconParams.ht20Coexist)
lim_handle_ht20coexist_ht20protection(mac_ctx, beaconparams,
session_entry, overlap);
return QDF_STATUS_SUCCESS;
}
/** -------------------------------------------------------------
\fn lim_enable_ht_non_gf_protection
\brief based on cofig enables\disables protection from NonGf.
\param uint8_t enable : 1=> enable protection, 0=> disable protection.
\param uint8_t overlap: 1=> called from overlap context, 0 => called from assoc context.
\param tpUpdateBeaconParams pBeaconParams
\return None
-------------------------------------------------------------*/
QDF_STATUS
lim_enable_ht_non_gf_protection(tpAniSirGlobal pMac, uint8_t enable,
uint8_t overlap, tpUpdateBeaconParams pBeaconParams,
tpPESession psessionEntry)
{
if (!psessionEntry->htCapability)
return QDF_STATUS_SUCCESS; /* this protection is only for HT stations. */
/* overlapping protection configuration check. */
if (overlap) {
} else {
/* normal protection config check */
if (LIM_IS_AP_ROLE(psessionEntry) &&
!psessionEntry->cfgProtection.nonGf) {
/* protection disabled. */
pe_debug("protection from NonGf is disabled");
return QDF_STATUS_SUCCESS;
} else if (!LIM_IS_AP_ROLE(psessionEntry)) {
/* normal protection config check */
if (!pMac->lim.cfgProtection.nonGf) {
/* protection disabled. */
pe_debug("protection from NonGf is disabled");
return QDF_STATUS_SUCCESS;
}
}
}
if (LIM_IS_AP_ROLE(psessionEntry)) {
if ((enable)
&& (false == psessionEntry->beaconParams.llnNonGFCoexist)) {
pe_debug(" => Protection from non GF Enabled");
pBeaconParams->llnNonGFCoexist =
psessionEntry->beaconParams.llnNonGFCoexist = true;
pBeaconParams->paramChangeBitmap |=
PARAM_NON_GF_DEVICES_PRESENT_CHANGED;
} else if (!enable
&& (true ==
psessionEntry->beaconParams.llnNonGFCoexist)) {
pe_debug("===> Protection from Non GF Disabled");
pBeaconParams->llnNonGFCoexist =
psessionEntry->beaconParams.llnNonGFCoexist = false;
pBeaconParams->paramChangeBitmap |=
PARAM_NON_GF_DEVICES_PRESENT_CHANGED;
}
} else {
if ((enable)
&& (false == psessionEntry->beaconParams.llnNonGFCoexist)) {
pe_debug(" => Protection from non GF Enabled");
pBeaconParams->llnNonGFCoexist =
psessionEntry->beaconParams.llnNonGFCoexist = true;
pBeaconParams->paramChangeBitmap |=
PARAM_NON_GF_DEVICES_PRESENT_CHANGED;
} else if (!enable
&& (true ==
psessionEntry->beaconParams.llnNonGFCoexist)) {
pe_debug("===> Protection from Non GF Disabled");
pBeaconParams->llnNonGFCoexist =
psessionEntry->beaconParams.llnNonGFCoexist = false;
pBeaconParams->paramChangeBitmap |=
PARAM_NON_GF_DEVICES_PRESENT_CHANGED;
}
}
return QDF_STATUS_SUCCESS;
}
/** -------------------------------------------------------------
\fn lim_enable_ht_lsig_txop_protection
\brief based on cofig enables\disables LsigTxop protection.
\param uint8_t enable : 1=> enable protection, 0=> disable protection.
\param uint8_t overlap: 1=> called from overlap context, 0 => called from assoc context.
\param tpUpdateBeaconParams pBeaconParams
\return None
-------------------------------------------------------------*/
QDF_STATUS
lim_enable_ht_lsig_txop_protection(tpAniSirGlobal pMac, uint8_t enable,
uint8_t overlap,
tpUpdateBeaconParams pBeaconParams,
tpPESession psessionEntry)
{
if (!psessionEntry->htCapability)
return QDF_STATUS_SUCCESS; /* this protection is only for HT stations. */
/* overlapping protection configuration check. */
if (overlap) {
} else {
/* normal protection config check */
if (LIM_IS_AP_ROLE(psessionEntry) &&
!psessionEntry->cfgProtection.lsigTxop) {
/* protection disabled. */
pe_debug("protection from LsigTxop not supported is disabled");
return QDF_STATUS_SUCCESS;
} else if (!LIM_IS_AP_ROLE(psessionEntry)) {
/* normal protection config check */
if (!pMac->lim.cfgProtection.lsigTxop) {
/* protection disabled. */
pe_debug("protection from LsigTxop not supported is disabled");
return QDF_STATUS_SUCCESS;
}
}
}
if (LIM_IS_AP_ROLE(psessionEntry)) {
if ((enable)
&& (false ==
psessionEntry->beaconParams.
fLsigTXOPProtectionFullSupport)) {
pe_debug(" => Protection from LsigTxop Enabled");
pBeaconParams->fLsigTXOPProtectionFullSupport =
psessionEntry->beaconParams.
fLsigTXOPProtectionFullSupport = true;
pBeaconParams->paramChangeBitmap |=
PARAM_LSIG_TXOP_FULL_SUPPORT_CHANGED;
} else if (!enable
&& (true ==
psessionEntry->beaconParams.
fLsigTXOPProtectionFullSupport)) {
pe_debug("===> Protection from LsigTxop Disabled");
pBeaconParams->fLsigTXOPProtectionFullSupport =
psessionEntry->beaconParams.
fLsigTXOPProtectionFullSupport = false;
pBeaconParams->paramChangeBitmap |=
PARAM_LSIG_TXOP_FULL_SUPPORT_CHANGED;
}
} else {
if ((enable)
&& (false ==
psessionEntry->beaconParams.
fLsigTXOPProtectionFullSupport)) {
pe_debug(" => Protection from LsigTxop Enabled");
pBeaconParams->fLsigTXOPProtectionFullSupport =
psessionEntry->beaconParams.
fLsigTXOPProtectionFullSupport = true;
pBeaconParams->paramChangeBitmap |=
PARAM_LSIG_TXOP_FULL_SUPPORT_CHANGED;
} else if (!enable
&& (true ==
psessionEntry->beaconParams.
fLsigTXOPProtectionFullSupport)) {
pe_debug("===> Protection from LsigTxop Disabled");
pBeaconParams->fLsigTXOPProtectionFullSupport =
psessionEntry->beaconParams.
fLsigTXOPProtectionFullSupport = false;
pBeaconParams->paramChangeBitmap |=
PARAM_LSIG_TXOP_FULL_SUPPORT_CHANGED;
}
}
return QDF_STATUS_SUCCESS;
}
/* FIXME_PROTECTION : need to check for no APSD whenever we want to enable this protection. */
/* This check will be done at the caller. */
/** -------------------------------------------------------------
\fn lim_enable_ht_rifs_protection
\brief based on cofig enables\disables Rifs protection.
\param uint8_t enable : 1=> enable protection, 0=> disable protection.
\param uint8_t overlap: 1=> called from overlap context, 0 => called from assoc context.
\param tpUpdateBeaconParams pBeaconParams
\return None
-------------------------------------------------------------*/
QDF_STATUS
lim_enable_ht_rifs_protection(tpAniSirGlobal pMac, uint8_t enable,
uint8_t overlap, tpUpdateBeaconParams pBeaconParams,
tpPESession psessionEntry)
{
if (!psessionEntry->htCapability)
return QDF_STATUS_SUCCESS; /* this protection is only for HT stations. */
/* overlapping protection configuration check. */
if (overlap) {
} else {
/* normal protection config check */
if (LIM_IS_AP_ROLE(psessionEntry) &&
!psessionEntry->cfgProtection.rifs) {
/* protection disabled. */
pe_debug("protection from Rifs is disabled");
return QDF_STATUS_SUCCESS;
} else if (!LIM_IS_AP_ROLE(psessionEntry)) {
/* normal protection config check */
if (!pMac->lim.cfgProtection.rifs) {
/* protection disabled. */
pe_debug("protection from Rifs is disabled");
return QDF_STATUS_SUCCESS;
}
}
}
if (LIM_IS_AP_ROLE(psessionEntry)) {
/* Disabling the RIFS Protection means Enable the RIFS mode of operation in the BSS */
if ((!enable)
&& (false == psessionEntry->beaconParams.fRIFSMode)) {
pe_debug(" => Rifs protection Disabled");
pBeaconParams->fRIFSMode =
psessionEntry->beaconParams.fRIFSMode = true;
pBeaconParams->paramChangeBitmap |=
PARAM_RIFS_MODE_CHANGED;
}
/* Enabling the RIFS Protection means Disable the RIFS mode of operation in the BSS */
else if (enable
&& (true == psessionEntry->beaconParams.fRIFSMode)) {
pe_debug("===> Rifs Protection Enabled");
pBeaconParams->fRIFSMode =
psessionEntry->beaconParams.fRIFSMode = false;
pBeaconParams->paramChangeBitmap |=
PARAM_RIFS_MODE_CHANGED;
}
} else {
/* Disabling the RIFS Protection means Enable the RIFS mode of operation in the BSS */
if ((!enable)
&& (false == psessionEntry->beaconParams.fRIFSMode)) {
pe_debug(" => Rifs protection Disabled");
pBeaconParams->fRIFSMode =
psessionEntry->beaconParams.fRIFSMode = true;
pBeaconParams->paramChangeBitmap |=
PARAM_RIFS_MODE_CHANGED;
}
/* Enabling the RIFS Protection means Disable the RIFS mode of operation in the BSS */
else if (enable
&& (true == psessionEntry->beaconParams.fRIFSMode)) {
pe_debug("===> Rifs Protection Enabled");
pBeaconParams->fRIFSMode =
psessionEntry->beaconParams.fRIFSMode = false;
pBeaconParams->paramChangeBitmap |=
PARAM_RIFS_MODE_CHANGED;
}
}
return QDF_STATUS_SUCCESS;
}
/* --------------------------------------------------------------------- */
/**
* lim_enable_short_preamble
*
* FUNCTION:
* Enable/Disable short preamble
*
* LOGIC:
*
* ASSUMPTIONS:
*
* NOTE:
*
* @param enable Flag to enable/disable short preamble
* @return None
*/
QDF_STATUS
lim_enable_short_preamble(tpAniSirGlobal pMac, uint8_t enable,
tpUpdateBeaconParams pBeaconParams,
tpPESession psessionEntry)
{
uint32_t val;
if (wlan_cfg_get_int(pMac, WNI_CFG_SHORT_PREAMBLE, &val) != QDF_STATUS_SUCCESS) {
/* Could not get short preamble enabled flag from CFG. Log error. */
pe_err("could not retrieve short preamble flag");
return QDF_STATUS_E_FAILURE;
}
if (!val)
return QDF_STATUS_SUCCESS;
if (wlan_cfg_get_int(pMac, WNI_CFG_11G_SHORT_PREAMBLE_ENABLED, &val) !=
QDF_STATUS_SUCCESS) {
pe_err("could not retrieve 11G short preamble switching enabled flag");
return QDF_STATUS_E_FAILURE;
}
if (!val) /* 11G short preamble switching is disabled. */
return QDF_STATUS_SUCCESS;
if (LIM_IS_AP_ROLE(psessionEntry)) {
if (enable && (psessionEntry->beaconParams.fShortPreamble == 0)) {
pe_debug("===> Short Preamble Enabled");
psessionEntry->beaconParams.fShortPreamble = true;
pBeaconParams->fShortPreamble =
(uint8_t) psessionEntry->beaconParams.
fShortPreamble;
pBeaconParams->paramChangeBitmap |=
PARAM_SHORT_PREAMBLE_CHANGED;
} else if (!enable
&& (psessionEntry->beaconParams.fShortPreamble ==
1)) {
pe_debug("===> Short Preamble Disabled");
psessionEntry->beaconParams.fShortPreamble = false;
pBeaconParams->fShortPreamble =
(uint8_t) psessionEntry->beaconParams.
fShortPreamble;
pBeaconParams->paramChangeBitmap |=
PARAM_SHORT_PREAMBLE_CHANGED;
}
}
return QDF_STATUS_SUCCESS;
}
/**
* lim_tx_complete
*
* Function:
* This is LIM's very own "TX MGMT frame complete" completion routine.
*
* Logic:
* LIM wants to send a MGMT frame (broadcast or unicast)
* LIM allocates memory using cds_packet_alloc( ..., **pData, **pPacket )
* LIM transmits the MGMT frame using the API:
* wma_tx_frame( ... pPacket, ..., (void *) lim_tx_complete, pData )
* HDD, via wma_tx_frame/DXE, "transfers" the packet over to BMU
* HDD, if it determines that a TX completion routine (in this case
* lim_tx_complete) has been provided, will invoke this callback
* LIM will try to free the TX MGMT packet that was earlier allocated, in order
* to send this MGMT frame, using the PAL API cds_packet_free( ... pData, pPacket )
*
* Assumptions:
* Presently, this is ONLY being used for MGMT frames/packets
* TODO:
* Would it do good for LIM to have some sort of "signature" validation to
* ensure that the pData argument passed in was a buffer that was actually
* allocated by LIM and/or is not corrupted?
*
* Note: FIXME and TODO
* Looks like cds_packet_free() is interested in pPacket. But, when this completion
* routine is called, only pData is made available to LIM!!
*
* @param void A pointer to pData. Shouldn't it be pPacket?!
*
* @return QDF_STATUS_SUCCESS - in case of success
*/
QDF_STATUS lim_tx_complete(void *context, qdf_nbuf_t buf, bool free)
{
if (free)
cds_packet_free((void *)buf);
return QDF_STATUS_SUCCESS;
}
/**
* \brief This function updates lim global structure, if CB parameters in the BSS
* have changed, and sends an indication to HAL also with the
* updated HT Parameters.
* This function does not detect the change in the primary channel, that is done as part
* of channel Swtich IE processing.
* If STA is configured with '20Mhz only' mode, then this function does not do anything
* This function changes the CB mode, only if the self capability is set to '20 as well as 40Mhz'
*
*
* \param pMac Pointer to global MAC structure
*
* \param pRcvdHTInfo Pointer to HT Info IE obtained from a Beacon or
* Probe Response
*
* \param bssIdx BSS Index of the Bss to which Station is associated.
*
*
*/
void lim_update_sta_run_time_ht_switch_chnl_params(tpAniSirGlobal pMac,
tDot11fIEHTInfo *pHTInfo,
uint8_t bssIdx,
tpPESession psessionEntry)
{
uint8_t center_freq = 0;
enum phy_ch_width ch_width = CH_WIDTH_20MHZ;
/* If self capability is set to '20Mhz only', then do not change the CB mode. */
if (!lim_get_ht_capability
(pMac, eHT_SUPPORTED_CHANNEL_WIDTH_SET, psessionEntry))
return;
if (WLAN_REG_IS_24GHZ_CH(psessionEntry->currentOperChannel) &&
psessionEntry->force_24ghz_in_ht20) {
pe_debug("force_24ghz_in_ht20 is set and channel is 2.4 Ghz");
return;
}
if (psessionEntry->ftPEContext.ftPreAuthSession) {
pe_err("FT PREAUTH channel change is in progress");
return;
}
/*
* Do not try to switch channel if RoC is in progress. RoC code path
* uses pMac->lim.gpLimRemainOnChanReq to notify the upper layers that
* the device has started listening on the channel requested as part of
* RoC, if we set pMac->lim.gpLimRemainOnChanReq to NULL as we do below
* then the upper layers will think that the channel change is not
* successful and the RoC from the upper layer perspective will never
* end...
*/
if (pMac->lim.gpLimRemainOnChanReq) {
pe_debug("RoC is in progress");
return;
}
if (psessionEntry->ch_switch_in_progress == true) {
pe_debug("ch switch is in progress, ignore HT IE BW update");
return;
}
if (!pHTInfo->primaryChannel) {
pe_debug("Ignore as primary channel is 0 in HT info");
return;
}
if (psessionEntry->htSecondaryChannelOffset !=
(uint8_t) pHTInfo->secondaryChannelOffset
|| psessionEntry->htRecommendedTxWidthSet !=
(uint8_t) pHTInfo->recommendedTxWidthSet) {
psessionEntry->htSecondaryChannelOffset =
(ePhyChanBondState) pHTInfo->secondaryChannelOffset;
psessionEntry->htRecommendedTxWidthSet =
(uint8_t) pHTInfo->recommendedTxWidthSet;
if (eHT_CHANNEL_WIDTH_40MHZ ==
psessionEntry->htRecommendedTxWidthSet) {
ch_width = CH_WIDTH_40MHZ;
if (PHY_DOUBLE_CHANNEL_LOW_PRIMARY ==
pHTInfo->secondaryChannelOffset)
center_freq = pHTInfo->primaryChannel + 2;
else if (PHY_DOUBLE_CHANNEL_HIGH_PRIMARY ==
pHTInfo->secondaryChannelOffset)
center_freq = pHTInfo->primaryChannel - 2;
else
ch_width = CH_WIDTH_20MHZ;
}
/* notify HAL */
pe_debug("Channel Information in HT IE change"
"d; sending notification to HAL.");
pe_debug("Primary Channel: %d Secondary Chan"
"nel Offset: %d Channel Width: %d",
pHTInfo->primaryChannel, center_freq,
psessionEntry->htRecommendedTxWidthSet);
psessionEntry->channelChangeReasonCode =
LIM_SWITCH_CHANNEL_OPERATION;
pMac->lim.gpchangeChannelCallback = NULL;
pMac->lim.gpchangeChannelData = NULL;
lim_send_switch_chnl_params(pMac, (uint8_t) pHTInfo->primaryChannel,
center_freq, 0, ch_width,
psessionEntry->maxTxPower,
psessionEntry->peSessionId,
true, 0, 0);
/* In case of IBSS, if STA should update HT Info IE in its beacons. */
if (LIM_IS_IBSS_ROLE(psessionEntry)) {
sch_set_fixed_beacon_fields(pMac, psessionEntry);
}
}
} /* End limUpdateStaRunTimeHTParams. */
/**
* \brief This function updates the lim global structure, if any of the
* HT Capabilities have changed.
*
*
* \param pMac Pointer to Global MAC structure
*
* \param pHTCapability Pointer to HT Capability Information Element
* obtained from a Beacon or Probe Response
*
*
*
*/
void lim_update_sta_run_time_ht_capability(tpAniSirGlobal pMac,
tDot11fIEHTCaps *pHTCaps)
{
if (pMac->lim.gHTLsigTXOPProtection !=
(uint8_t) pHTCaps->lsigTXOPProtection) {
pMac->lim.gHTLsigTXOPProtection =
(uint8_t) pHTCaps->lsigTXOPProtection;
/* Send change notification to HAL */
}
if (pMac->lim.gHTAMpduDensity != (uint8_t) pHTCaps->mpduDensity) {
pMac->lim.gHTAMpduDensity = (uint8_t) pHTCaps->mpduDensity;
/* Send change notification to HAL */
}
if (pMac->lim.gHTMaxRxAMpduFactor !=
(uint8_t) pHTCaps->maxRxAMPDUFactor) {
pMac->lim.gHTMaxRxAMpduFactor =
(uint8_t) pHTCaps->maxRxAMPDUFactor;
/* Send change notification to HAL */
}
} /* End lim_update_sta_run_time_ht_capability. */
/**
* \brief This function updates lim global structure, if any of the HT
* Info Parameters have changed.
*
*
* \param pMac Pointer to the global MAC structure
*
* \param pHTInfo Pointer to the HT Info IE obtained from a Beacon or
* Probe Response
*
*
*/
void lim_update_sta_run_time_ht_info(tpAniSirGlobal pMac,
tDot11fIEHTInfo *pHTInfo,
tpPESession psessionEntry)
{
if (psessionEntry->htRecommendedTxWidthSet !=
(uint8_t) pHTInfo->recommendedTxWidthSet) {
psessionEntry->htRecommendedTxWidthSet =
(uint8_t) pHTInfo->recommendedTxWidthSet;
/* Send change notification to HAL */
}
if (psessionEntry->beaconParams.fRIFSMode !=
(uint8_t) pHTInfo->rifsMode) {
psessionEntry->beaconParams.fRIFSMode =
(uint8_t) pHTInfo->rifsMode;
/* Send change notification to HAL */
}
if (pMac->lim.gHTServiceIntervalGranularity !=
(uint8_t) pHTInfo->serviceIntervalGranularity) {
pMac->lim.gHTServiceIntervalGranularity =
(uint8_t) pHTInfo->serviceIntervalGranularity;
/* Send change notification to HAL */
}
if (pMac->lim.gHTOperMode != (tSirMacHTOperatingMode) pHTInfo->opMode) {
pMac->lim.gHTOperMode =
(tSirMacHTOperatingMode) pHTInfo->opMode;
/* Send change notification to HAL */
}
if (psessionEntry->beaconParams.llnNonGFCoexist !=
pHTInfo->nonGFDevicesPresent) {
psessionEntry->beaconParams.llnNonGFCoexist =
(uint8_t) pHTInfo->nonGFDevicesPresent;
}
if (pMac->lim.gHTSTBCBasicMCS != (uint8_t) pHTInfo->basicSTBCMCS) {
pMac->lim.gHTSTBCBasicMCS = (uint8_t) pHTInfo->basicSTBCMCS;
/* Send change notification to HAL */
}
if (pMac->lim.gHTDualCTSProtection !=
(uint8_t) pHTInfo->dualCTSProtection) {
pMac->lim.gHTDualCTSProtection =
(uint8_t) pHTInfo->dualCTSProtection;
/* Send change notification to HAL */
}
if (pMac->lim.gHTSecondaryBeacon != (uint8_t) pHTInfo->secondaryBeacon) {
pMac->lim.gHTSecondaryBeacon =
(uint8_t) pHTInfo->secondaryBeacon;
/* Send change notification to HAL */
}
if (psessionEntry->beaconParams.fLsigTXOPProtectionFullSupport !=
(uint8_t) pHTInfo->lsigTXOPProtectionFullSupport) {
psessionEntry->beaconParams.fLsigTXOPProtectionFullSupport =
(uint8_t) pHTInfo->lsigTXOPProtectionFullSupport;
/* Send change notification to HAL */
}
if (pMac->lim.gHTPCOActive != (uint8_t) pHTInfo->pcoActive) {
pMac->lim.gHTPCOActive = (uint8_t) pHTInfo->pcoActive;
/* Send change notification to HAL */
}
if (pMac->lim.gHTPCOPhase != (uint8_t) pHTInfo->pcoPhase) {
pMac->lim.gHTPCOPhase = (uint8_t) pHTInfo->pcoPhase;
/* Send change notification to HAL */
}
} /* End lim_update_sta_run_time_ht_info. */
/** -------------------------------------------------------------
\fn lim_process_hal_ind_messages
\brief callback function for HAL indication
\param tpAniSirGlobal pMac
\param uint32_t mesgId
\param void *mesgParam
\return tSirRetStatu - status
-------------------------------------------------------------*/
QDF_STATUS lim_process_hal_ind_messages(tpAniSirGlobal pMac, uint32_t msgId,
void *msgParam)
{
/* its PE's responsibility to free msgparam when its done extracting the message parameters. */
struct scheduler_msg msg = {0};
switch (msgId) {
case SIR_LIM_DEL_TS_IND:
case SIR_LIM_DELETE_STA_CONTEXT_IND:
case SIR_LIM_BEACON_GEN_IND:
msg.type = (uint16_t) msgId;
msg.bodyptr = msgParam;
msg.bodyval = 0;
break;
default:
qdf_mem_free(msgParam);
pe_err("invalid message id: %d received", msgId);
return QDF_STATUS_E_FAILURE;
}
if (lim_post_msg_api(pMac, &msg) != QDF_STATUS_SUCCESS) {
qdf_mem_free(msgParam);
pe_err("lim_post_msg_api failed for msgid: %d", msg.type);
return QDF_STATUS_E_FAILURE;
}
return QDF_STATUS_SUCCESS;
}
/**
* lim_validate_delts_req() - This function validates DelTs req
* @mac_ctx: pointer to Global Mac structure
* @delts_req: pointer to delete traffic stream structure
* @peer_mac_addr: variable for peer mac address
*
* Function validates DelTs req originated by SME or by HAL and also
* sends halMsg_DelTs to HAL
*
* Return: QDF_STATUS_SUCCESS - Success, QDF_STATUS_E_FAILURE - Failure
*/
QDF_STATUS
lim_validate_delts_req(tpAniSirGlobal mac_ctx, tpSirDeltsReq delts_req,
tSirMacAddr peer_mac_addr, tpPESession psession_entry)
{
tpDphHashNode sta;
uint8_t ts_status;
tSirMacTSInfo *tsinfo;
uint32_t i;
uint8_t tspec_idx;
/*
* if sta
* - verify assoc state
* - del tspec locally
* if ap
* - verify sta is in assoc state
* - del sta tspec locally
*/
if (delts_req == NULL) {
pe_err("Delete TS request pointer is NULL");
return QDF_STATUS_E_FAILURE;
}
if (LIM_IS_STA_ROLE(psession_entry)) {
uint32_t val;
/* station always talks to the AP */
sta = dph_get_hash_entry(mac_ctx, DPH_STA_HASH_INDEX_PEER,
&psession_entry->dph.dphHashTable);
val = sizeof(tSirMacAddr);
sir_copy_mac_addr(peer_mac_addr, psession_entry->bssId);
} else {
uint16_t associd;
uint8_t *macaddr = (uint8_t *) peer_mac_addr;
associd = delts_req->aid;
if (associd != 0)
sta = dph_get_hash_entry(mac_ctx, associd,
&psession_entry->dph.dphHashTable);
else
sta = dph_lookup_hash_entry(mac_ctx,
delts_req->macaddr.bytes,
&associd,
&psession_entry->dph.
dphHashTable);
if (sta != NULL)
/* TBD: check sta assoc state as well */
for (i = 0; i < sizeof(tSirMacAddr); i++)
macaddr[i] = sta->staAddr[i];
}
if (sta == NULL) {
pe_err("Cannot find station context for delts req");
return QDF_STATUS_E_FAILURE;
}
if ((!sta->valid) ||
(sta->mlmStaContext.mlmState !=
eLIM_MLM_LINK_ESTABLISHED_STATE)) {
pe_err("Invalid Sta (or state) for DelTsReq");
return QDF_STATUS_E_FAILURE;
}
delts_req->req.wsmTspecPresent = 0;
delts_req->req.wmeTspecPresent = 0;
delts_req->req.lleTspecPresent = 0;
if ((sta->wsmEnabled) &&
(delts_req->req.tspec.tsinfo.traffic.accessPolicy !=
SIR_MAC_ACCESSPOLICY_EDCA))
delts_req->req.wsmTspecPresent = 1;
else if (sta->wmeEnabled)
delts_req->req.wmeTspecPresent = 1;
else if (sta->lleEnabled)
delts_req->req.lleTspecPresent = 1;
else {
pe_warn("DELTS_REQ ignore - qos is disabled");
return QDF_STATUS_E_FAILURE;
}
tsinfo = delts_req->req.wmeTspecPresent ? &delts_req->req.tspec.tsinfo
: &delts_req->req.tsinfo;
pe_debug("received DELTS_REQ message wmeTspecPresent: %d lleTspecPresent: %d wsmTspecPresent: %d tsid: %d up: %d direction: %d",
delts_req->req.wmeTspecPresent,
delts_req->req.lleTspecPresent,
delts_req->req.wsmTspecPresent, tsinfo->traffic.tsid,
tsinfo->traffic.userPrio, tsinfo->traffic.direction);
/* if no Access Control, ignore the request */
if (lim_admit_control_delete_ts(mac_ctx, sta->assocId, tsinfo,
&ts_status, &tspec_idx) != QDF_STATUS_SUCCESS) {
pe_err("DELTS request for sta assocId: %d tsid: %d up: %d",
sta->assocId, tsinfo->traffic.tsid,
tsinfo->traffic.userPrio);
return QDF_STATUS_E_FAILURE;
} else if ((tsinfo->traffic.accessPolicy == SIR_MAC_ACCESSPOLICY_HCCA)
|| (tsinfo->traffic.accessPolicy ==
SIR_MAC_ACCESSPOLICY_BOTH)) {
/* edca only now. */
} else if (tsinfo->traffic.accessPolicy == SIR_MAC_ACCESSPOLICY_EDCA) {
/* send message to HAL to delete TS */
if (QDF_STATUS_SUCCESS !=
lim_send_hal_msg_del_ts(mac_ctx, sta->staIndex,
tspec_idx, delts_req->req,
psession_entry->peSessionId,
psession_entry->bssId)) {
pe_warn("DelTs with UP: %d failed in lim_send_hal_msg_del_ts - ignoring request",
tsinfo->traffic.userPrio);
return QDF_STATUS_E_FAILURE;
}
}
return QDF_STATUS_SUCCESS;
}
/** -------------------------------------------------------------
\fn lim_register_hal_ind_call_back
\brief registers callback function to HAL for any indication.
\param tpAniSirGlobal pMac
\return none.
-------------------------------------------------------------*/
void lim_register_hal_ind_call_back(tpAniSirGlobal pMac)
{
struct scheduler_msg msg = {0};
tpHalIndCB pHalCB;
pHalCB = qdf_mem_malloc(sizeof(tHalIndCB));
if (NULL == pHalCB) {
pe_err("AllocateMemory() failed");
return;
}
pHalCB->pHalIndCB = lim_process_hal_ind_messages;
msg.type = WMA_REGISTER_PE_CALLBACK;
msg.bodyptr = pHalCB;
msg.bodyval = 0;
MTRACE(mac_trace_msg_tx(pMac, NO_SESSION, msg.type));
if (QDF_STATUS_SUCCESS != wma_post_ctrl_msg(pMac, &msg)) {
qdf_mem_free(pHalCB);
pe_err("wma_post_ctrl_msg() failed");
}
return;
}
/**
* lim_process_del_ts_ind() - handle del_ts_ind from HAL
*
* @mac_ctx: pointer to Global Mac Structure
* @lim_msg: pointer to msg buff
*
* handles the DeleteTS indication coming from HAL or generated by PE itself
* in some error cases. Validates the request, sends the DelTs action frame
* to the Peer and sends DelTs indicatoin to HDD.
*
* Return: none
*/
void lim_process_del_ts_ind(tpAniSirGlobal pMac, struct scheduler_msg *limMsg)
{
tpDphHashNode pSta;
tpDelTsParams pDelTsParam = (tpDelTsParams) (limMsg->bodyptr);
tpSirDeltsReq pDelTsReq = NULL;
tSirMacAddr peerMacAddr;
tpSirDeltsReqInfo pDelTsReqInfo;
tpLimTspecInfo pTspecInfo;
tpPESession psessionEntry;
uint8_t sessionId;
psessionEntry = pe_find_session_by_bssid(pMac, pDelTsParam->bssId,
&sessionId);
if (psessionEntry == NULL) {
pe_err("session does not exist for given BssId");
qdf_mem_free(limMsg->bodyptr);
limMsg->bodyptr = NULL;
return;
}
pTspecInfo = &(pMac->lim.tspecInfo[pDelTsParam->tspecIdx]);
if (pTspecInfo->inuse == false) {
pe_err("tspec entry with index: %d is not in use",
pDelTsParam->tspecIdx);
goto error1;
}
pSta =
dph_get_hash_entry(pMac, pTspecInfo->assocId,
&psessionEntry->dph.dphHashTable);
if (pSta == NULL) {
pe_err("Could not find entry in DPH table for assocId: %d",
pTspecInfo->assocId);
goto error1;
}
pDelTsReq = qdf_mem_malloc(sizeof(tSirDeltsReq));
if (NULL == pDelTsReq) {
pe_err("AllocateMemory() failed");
goto error1;
}
if (pSta->wmeEnabled)
qdf_mem_copy(&(pDelTsReq->req.tspec), &(pTspecInfo->tspec),
sizeof(tSirMacTspecIE));
else
qdf_mem_copy(&(pDelTsReq->req.tsinfo),
&(pTspecInfo->tspec.tsinfo),
sizeof(tSirMacTSInfo));
/* validate the req */
if (QDF_STATUS_SUCCESS !=
lim_validate_delts_req(pMac, pDelTsReq, peerMacAddr, psessionEntry)) {
pe_err("lim_validate_delts_req failed");
goto error2;
}
pe_debug("Sent DELTS request to station with "
"assocId = %d MacAddr = " MAC_ADDRESS_STR,
pDelTsReq->aid, MAC_ADDR_ARRAY(peerMacAddr));
lim_send_delts_req_action_frame(pMac, peerMacAddr,
pDelTsReq->req.wmeTspecPresent,
&pDelTsReq->req.tsinfo,
&pDelTsReq->req.tspec, psessionEntry);
/* prepare and send an sme indication to HDD */
pDelTsReqInfo = qdf_mem_malloc(sizeof(tSirDeltsReqInfo));
if (NULL == pDelTsReqInfo) {
pe_err("AllocateMemory() failed");
goto error3;
}
if (pSta->wmeEnabled)
qdf_mem_copy(&(pDelTsReqInfo->tspec), &(pTspecInfo->tspec),
sizeof(tSirMacTspecIE));
else
qdf_mem_copy(&(pDelTsReqInfo->tsinfo),
&(pTspecInfo->tspec.tsinfo),
sizeof(tSirMacTSInfo));
lim_send_sme_delts_ind(pMac, pDelTsReqInfo, pDelTsReq->aid, psessionEntry);
error3:
qdf_mem_free(pDelTsReqInfo);
error2:
qdf_mem_free(pDelTsReq);
error1:
qdf_mem_free(limMsg->bodyptr);
limMsg->bodyptr = NULL;
return;
}
/**
* @function : lim_post_sm_state_update()
*
* @brief : This function Updates the HAL and Softmac about the change in the STA's SMPS state.
*
* LOGIC:
*
* ASSUMPTIONS:
* NA
*
* NOTE:
* NA
*
* @param pMac - Pointer to Global MAC structure
* @param limMsg - Lim Message structure object with the MimoPSparam in body
* @return None
*/
QDF_STATUS
lim_post_sm_state_update(tpAniSirGlobal pMac,
uint16_t staIdx, tSirMacHTMIMOPowerSaveState state,
uint8_t *pPeerStaMac, uint8_t sessionId)
{
QDF_STATUS retCode = QDF_STATUS_SUCCESS;
struct scheduler_msg msgQ = {0};
tpSetMIMOPS pMIMO_PSParams;
msgQ.reserved = 0;
msgQ.type = WMA_SET_MIMOPS_REQ;
/* Allocate for WMA_SET_MIMOPS_REQ */
pMIMO_PSParams = qdf_mem_malloc(sizeof(tSetMIMOPS));
if (NULL == pMIMO_PSParams) {
pe_err(" AllocateMemory failed");
return QDF_STATUS_E_NOMEM;
}
pMIMO_PSParams->htMIMOPSState = state;
pMIMO_PSParams->staIdx = staIdx;
pMIMO_PSParams->fsendRsp = true;
pMIMO_PSParams->sessionId = sessionId;
qdf_mem_copy(pMIMO_PSParams->peerMac, pPeerStaMac, sizeof(tSirMacAddr));
msgQ.bodyptr = pMIMO_PSParams;
msgQ.bodyval = 0;
pe_debug("Sending WMA_SET_MIMOPS_REQ");
MTRACE(mac_trace_msg_tx(pMac, NO_SESSION, msgQ.type));
retCode = wma_post_ctrl_msg(pMac, &msgQ);
if (QDF_STATUS_SUCCESS != retCode) {
pe_err("Posting WMA_SET_MIMOPS_REQ to HAL failed! Reason: %d",
retCode);
qdf_mem_free(pMIMO_PSParams);
return retCode;
}
return retCode;
}
void lim_pkt_free(tpAniSirGlobal pMac,
eFrameType frmType, uint8_t *pRxPacketInfo, void *pBody)
{
(void)pMac;
(void)frmType;
(void)pRxPacketInfo;
(void)pBody;
}
/**
* lim_get_b_dfrom_rx_packet()
*
***FUNCTION:
* This function is called to get pointer to Polaris
* Buffer Descriptor containing MAC header & other control
* info from the body of the message posted to LIM.
*
***LOGIC:
* NA
*
***ASSUMPTIONS:
* NA
*
***NOTE:
* NA
*
* @param body - Received message body
* @param pRxPacketInfo - Pointer to received BD
* @return None
*/
void
lim_get_b_dfrom_rx_packet(tpAniSirGlobal pMac, void *body, uint32_t **pRxPacketInfo)
{
*pRxPacketInfo = (uint32_t *) body;
} /*** end lim_get_b_dfrom_rx_packet() ***/
void lim_add_channel_status_info(tpAniSirGlobal p_mac,
struct lim_channel_status *channel_stat,
uint8_t channel_id)
{
uint8_t i;
bool found = false;
struct lim_scan_channel_status *channel_info =
&p_mac->lim.scan_channel_status;
struct lim_channel_status *channel_status_list =
channel_info->channel_status_list;
uint8_t total_channel = channel_info->total_channel;
if (!p_mac->sap.acs_with_more_param)
return;
for (i = 0; i < total_channel; i++) {
if (channel_status_list[i].channel_id == channel_id) {
if (channel_stat->cmd_flags ==
WMI_CHAN_InFO_END_RESP &&
channel_status_list[i].cmd_flags ==
WMI_CHAN_InFO_START_RESP) {
/* adjust to delta value for counts */
channel_stat->rx_clear_count -=
channel_status_list[i].rx_clear_count;
channel_stat->cycle_count -=
channel_status_list[i].cycle_count;
channel_stat->rx_frame_count -=
channel_status_list[i].rx_frame_count;
channel_stat->tx_frame_count -=
channel_status_list[i].tx_frame_count;
channel_stat->bss_rx_cycle_count -=
channel_status_list[i].bss_rx_cycle_count;
}
qdf_mem_copy(&channel_status_list[i], channel_stat,
sizeof(*channel_status_list));
found = true;
break;
}
}
if (!found) {
if (total_channel < SIR_MAX_SUPPORTED_CHANNEL_LIST) {
qdf_mem_copy(&channel_status_list[total_channel++],
channel_stat,
sizeof(*channel_status_list));
channel_info->total_channel = total_channel;
} else {
pe_warn("Chan cnt exceed, channel_id=%d", channel_id);
}
}
return;
}
/**
* @function : lim_is_channel_valid_for_channel_switch()
*
* @brief : This function checks if the channel to which AP
* is expecting us to switch, is a valid channel for us.
* LOGIC:
*
* ASSUMPTIONS:
* NA
*
* NOTE:
* NA
*
* @param pMac - Pointer to Global MAC structure
* @param channel - New channel to which we are expected to move
* @return None
*/
bool lim_is_channel_valid_for_channel_switch(tpAniSirGlobal pMac, uint8_t channel)
{
uint8_t index;
uint32_t validChannelListLen = WNI_CFG_VALID_CHANNEL_LIST_LEN;
tSirMacChanNum validChannelList[WNI_CFG_VALID_CHANNEL_LIST_LEN];
bool ok = false;
if (policy_mgr_is_chan_ok_for_dnbs(pMac->psoc, channel, &ok)) {
pe_err("policy_mgr_is_chan_ok_for_dnbs() returned error");
return false;
}
if (!ok) {
pe_debug("channel not ok for DNBS");
return false;
}
if (wlan_cfg_get_str(pMac, WNI_CFG_VALID_CHANNEL_LIST,
(uint8_t *) validChannelList,
(uint32_t *) &validChannelListLen) !=
QDF_STATUS_SUCCESS) {
pe_err("could not retrieve valid channel list");
return false;
}
for (index = 0; index < validChannelListLen; index++) {
if (validChannelList[index] != channel)
continue;
ok = policy_mgr_is_valid_for_channel_switch(pMac->psoc,
channel);
return ok;
}
/* channel does not belong to list of valid channels */
return false;
}
/**------------------------------------------------------
\fn __lim_fill_tx_control_params
\brief Fill the message for stopping/resuming tx.
\param pMac
\param pTxCtrlMsg - Pointer to tx control message.
\param type - Which way we want to stop/ resume tx.
\param mode - To stop/resume.
-------------------------------------------------------*/
static QDF_STATUS
__lim_fill_tx_control_params(tpAniSirGlobal pMac, tpTxControlParams pTxCtrlMsg,
tLimQuietTxMode type, tLimControlTx mode)
{
tpPESession psessionEntry = &pMac->lim.gpSession[0];
if (mode == eLIM_STOP_TX)
pTxCtrlMsg->stopTx = true;
else
pTxCtrlMsg->stopTx = false;
switch (type) {
case eLIM_TX_ALL:
/** Stops/resumes transmission completely */
pTxCtrlMsg->fCtrlGlobal = 1;
break;
case eLIM_TX_BSS_BUT_BEACON:
/** Stops/resumes transmission on a particular BSS. Stopping BSS, doesn't
* stop beacon transmission.
*/
pTxCtrlMsg->ctrlBss = 1;
pTxCtrlMsg->bssBitmap |= (1 << psessionEntry->bssIdx);
break;
case eLIM_TX_STA:
/** Memory for station bitmap is allocated dynamically in caller of this
* so decode properly here and fill the bitmap. Now not implemented,
* fall through.
*/
case eLIM_TX_BSS:
/* Fall thru... */
default:
pe_warn("Invalid case: Not Handled");
return QDF_STATUS_E_FAILURE;
}
return QDF_STATUS_SUCCESS;
}
/**
* @function : lim_frame_transmission_control()
*
* @brief : This API is called by the user to halt/resume any frame
* transmission from the device. If stopped, all frames will be
* queued starting from hardware. Then back-pressure
* is built till the driver.
* LOGIC:
*
* ASSUMPTIONS:
* NA
*
* NOTE:
* NA
*
* @param pMac - Pointer to Global MAC structure
* @return None
*/
void lim_frame_transmission_control(tpAniSirGlobal pMac, tLimQuietTxMode type,
tLimControlTx mode)
{
QDF_STATUS status = QDF_STATUS_E_FAILURE;
tpTxControlParams pTxCtrlMsg;
struct scheduler_msg msgQ = {0};
uint8_t nBytes = 0; /* No of bytes required for station bitmap. */
/** Allocate only required number of bytes for station bitmap
* Make it to align to 4 byte boundary */
nBytes = (uint8_t) HALMSG_NUMBYTES_STATION_BITMAP(pMac->lim.maxStation);
pTxCtrlMsg = qdf_mem_malloc(sizeof(*pTxCtrlMsg) + nBytes);
if (NULL == pTxCtrlMsg) {
pe_err("AllocateMemory() failed");
return;
}
status = __lim_fill_tx_control_params(pMac, pTxCtrlMsg, type, mode);
if (status != QDF_STATUS_SUCCESS) {
qdf_mem_free(pTxCtrlMsg);
pe_err("__lim_fill_tx_control_params failed, status: %d",
status);
return;
}
msgQ.bodyptr = (void *)pTxCtrlMsg;
msgQ.bodyval = 0;
msgQ.reserved = 0;
msgQ.type = WMA_TRANSMISSION_CONTROL_IND;
MTRACE(mac_trace_msg_tx(pMac, NO_SESSION, msgQ.type));
if (wma_post_ctrl_msg(pMac, &msgQ) != QDF_STATUS_SUCCESS) {
qdf_mem_free(pTxCtrlMsg);
pe_err("Posting Message to HAL failed");
return;
}
pe_debug("Stopping the transmission of all packets, indicated softmac tx_control: %d",
mode);
return;
}
/**
* @function : lim_restore_pre_channel_switch_state()
*
* @brief : This API is called by the user to undo any
* specific changes done on the device during
* channel switch.
* LOGIC:
*
* ASSUMPTIONS:
* NA
*
* NOTE:
* NA
*
* @param pMac - Pointer to Global MAC structure
* @return None
*/
QDF_STATUS
lim_restore_pre_channel_switch_state(tpAniSirGlobal pMac, tpPESession psessionEntry)
{
QDF_STATUS retCode = QDF_STATUS_SUCCESS;
if (!LIM_IS_STA_ROLE(psessionEntry))
return retCode;
/* Channel switch should be ready for the next time */
psessionEntry->gLimSpecMgmt.dot11hChanSwState = eLIM_11H_CHANSW_INIT;
/* Restore the frame transmission, all the time. */
lim_frame_transmission_control(pMac, eLIM_TX_ALL, eLIM_RESUME_TX);
return retCode;
}
/**--------------------------------------------
\fn lim_restore_pre_quiet_state
\brief Restore the pre quiet state
\param pMac
\return NONE
---------------------------------------------*/
QDF_STATUS lim_restore_pre_quiet_state(tpAniSirGlobal pMac,
tpPESession psessionEntry)
{
QDF_STATUS retCode = QDF_STATUS_SUCCESS;
if (pMac->lim.gLimSystemRole != eLIM_STA_ROLE)
return retCode;
/* Quiet should be ready for the next time */
psessionEntry->gLimSpecMgmt.quietState = eLIM_QUIET_INIT;
/* Restore the frame transmission, all the time. */
if (psessionEntry->gLimSpecMgmt.quietState == eLIM_QUIET_RUNNING)
lim_frame_transmission_control(pMac, eLIM_TX_ALL, eLIM_RESUME_TX);
return retCode;
}
/**
* @function: lim_prepare_for11h_channel_switch()
*
* @brief : This API is called by the user to prepare for
* 11h channel switch. As of now, the API does
* very minimal work. User can add more into the
* same API if needed.
* LOGIC:
*
* ASSUMPTIONS:
* NA
*
* NOTE:
* NA
*
* @param pMac - Pointer to Global MAC structure
* @param psessionEntry
* @return None
*/
void
lim_prepare_for11h_channel_switch(tpAniSirGlobal pMac, tpPESession psessionEntry)
{
if (!LIM_IS_STA_ROLE(psessionEntry))
return;
/* Flag to indicate 11h channel switch in progress */
psessionEntry->gLimSpecMgmt.dot11hChanSwState = eLIM_11H_CHANSW_RUNNING;
if (pMac->lim.gLimSmeState == eLIM_SME_LINK_EST_WT_SCAN_STATE ||
pMac->lim.gLimSmeState == eLIM_SME_CHANNEL_SCAN_STATE) {
pe_debug("Posting finish scan as we are in scan state");
/* Stop ongoing scanning if any */
if (GET_LIM_PROCESS_DEFD_MESGS(pMac)) {
/* Set the resume channel to Any valid channel (invalid). */
/* This will instruct HAL to set it to any previous valid channel. */
pe_set_resume_channel(pMac, 0, 0);
} else {
lim_restore_pre_channel_switch_state(pMac, psessionEntry);
}
return;
} else {
pe_debug("Not in scan state, start channel switch timer");
/** We are safe to switch channel at this point */
lim_stop_tx_and_switch_channel(pMac, psessionEntry->peSessionId);
}
}
/**----------------------------------------------------
\fn lim_get_nw_type
\brief Get type of the network from data packet or beacon
\param pMac
\param channelNum - Channel number
\param type - Type of packet.
\param pBeacon - Pointer to beacon or probe response
\return Network type a/b/g.
-----------------------------------------------------*/
tSirNwType lim_get_nw_type(tpAniSirGlobal pMac, uint8_t channelNum, uint32_t type,
tpSchBeaconStruct pBeacon)
{
tSirNwType nwType = eSIR_11B_NW_TYPE;
if (type == SIR_MAC_DATA_FRAME) {
if ((channelNum > 0) && (channelNum < 15)) {
nwType = eSIR_11G_NW_TYPE;
} else {
nwType = eSIR_11A_NW_TYPE;
}
} else {
if ((channelNum > 0) && (channelNum < 15)) {
int i;
/* 11b or 11g packet */
/* 11g iff extended Rate IE is present or */
/* if there is an A rate in suppRate IE */
for (i = 0; i < pBeacon->supportedRates.numRates; i++) {
if (sirIsArate
(pBeacon->supportedRates.rate[i] & 0x7f)) {
nwType = eSIR_11G_NW_TYPE;
break;
}
}
if (pBeacon->extendedRatesPresent) {
nwType = eSIR_11G_NW_TYPE;
} else if (pBeacon->HTInfo.present ||
IS_BSS_VHT_CAPABLE(pBeacon->VHTCaps)) {
nwType = eSIR_11G_NW_TYPE;
}
} else {
/* 11a packet */
nwType = eSIR_11A_NW_TYPE;
}
}
return nwType;
}
/**---------------------------------------------------------
\fn lim_get_channel_from_beacon
\brief To extract channel number from beacon
\param pMac
\param pBeacon - Pointer to beacon or probe rsp
\return channel number
-----------------------------------------------------------*/
uint8_t lim_get_channel_from_beacon(tpAniSirGlobal pMac, tpSchBeaconStruct pBeacon)
{
uint8_t channelNum = 0;
if (pBeacon->dsParamsPresent)
channelNum = pBeacon->channelNumber;
else if (pBeacon->HTInfo.present)
channelNum = pBeacon->HTInfo.primaryChannel;
else
channelNum = pBeacon->channelNumber;
return channelNum;
}
void lim_set_tspec_uapsd_mask_per_session(tpAniSirGlobal pMac,
tpPESession psessionEntry,
tSirMacTSInfo *pTsInfo, uint32_t action)
{
uint8_t userPrio = (uint8_t) pTsInfo->traffic.userPrio;
uint16_t direction = pTsInfo->traffic.direction;
uint8_t ac = upToAc(userPrio);
pe_debug("Set UAPSD mask for AC: %d dir: %d action: %d"
, ac, direction, action);
/* Converting AC to appropriate Uapsd Bit Mask
* AC_BE(0) --> UAPSD_BITOFFSET_ACVO(3)
* AC_BK(1) --> UAPSD_BITOFFSET_ACVO(2)
* AC_VI(2) --> UAPSD_BITOFFSET_ACVO(1)
* AC_VO(3) --> UAPSD_BITOFFSET_ACVO(0)
*/
ac = ((~ac) & 0x3);
if (action == CLEAR_UAPSD_MASK) {
if (direction == SIR_MAC_DIRECTION_UPLINK)
psessionEntry->gUapsdPerAcTriggerEnableMask &=
~(1 << ac);
else if (direction == SIR_MAC_DIRECTION_DNLINK)
psessionEntry->gUapsdPerAcDeliveryEnableMask &=
~(1 << ac);
else if (direction == SIR_MAC_DIRECTION_BIDIR) {
psessionEntry->gUapsdPerAcTriggerEnableMask &=
~(1 << ac);
psessionEntry->gUapsdPerAcDeliveryEnableMask &=
~(1 << ac);
}
} else if (action == SET_UAPSD_MASK) {
if (direction == SIR_MAC_DIRECTION_UPLINK)
psessionEntry->gUapsdPerAcTriggerEnableMask |=
(1 << ac);
else if (direction == SIR_MAC_DIRECTION_DNLINK)
psessionEntry->gUapsdPerAcDeliveryEnableMask |=
(1 << ac);
else if (direction == SIR_MAC_DIRECTION_BIDIR) {
psessionEntry->gUapsdPerAcTriggerEnableMask |=
(1 << ac);
psessionEntry->gUapsdPerAcDeliveryEnableMask |=
(1 << ac);
}
}
pe_debug("New psessionEntry->gUapsdPerAcTriggerEnableMask 0x%x psessionEntry->gUapsdPerAcDeliveryEnableMask 0x%x",
psessionEntry->gUapsdPerAcTriggerEnableMask,
psessionEntry->gUapsdPerAcDeliveryEnableMask);
return;
}
/**
* lim_handle_heart_beat_timeout_for_session() - Handle heart beat time out
* @mac_ctx: pointer to Global Mac Structure
* @psession_entry: pointer to tpPESession
*
* Function handles heart beat time out for session
*
* Return: none
*/
void lim_handle_heart_beat_timeout_for_session(tpAniSirGlobal mac_ctx,
tpPESession psession_entry)
{
if (psession_entry->valid == true) {
if (psession_entry->bssType == eSIR_IBSS_MODE)
lim_ibss_heart_beat_handle(mac_ctx, psession_entry);
if ((psession_entry->bssType == eSIR_INFRASTRUCTURE_MODE) &&
(LIM_IS_STA_ROLE(psession_entry)))
lim_handle_heart_beat_failure(mac_ctx, psession_entry);
}
/*
* In the function lim_handle_heart_beat_failure things can change
* so check for the session entry valid and the other things
* again
*/
if ((psession_entry->valid == true) &&
(psession_entry->bssType == eSIR_INFRASTRUCTURE_MODE) &&
(LIM_IS_STA_ROLE(psession_entry)) &&
(psession_entry->LimHBFailureStatus == true)) {
tLimTimers *lim_timer = &mac_ctx->lim.limTimers;
/*
* Activate Probe After HeartBeat Timer incase HB
* Failure detected
*/
pe_debug("Sending Probe for Session: %d",
psession_entry->bssIdx);
lim_deactivate_and_change_timer(mac_ctx,
eLIM_PROBE_AFTER_HB_TIMER);
MTRACE(mac_trace(mac_ctx, TRACE_CODE_TIMER_ACTIVATE, 0,
eLIM_PROBE_AFTER_HB_TIMER));
if (tx_timer_activate(&lim_timer->gLimProbeAfterHBTimer)
!= TX_SUCCESS)
pe_err("Fail to re-activate Probe-after-hb timer");
}
}
uint8_t lim_get_current_operating_channel(tpAniSirGlobal pMac)
{
uint8_t i;
for (i = 0; i < pMac->lim.maxBssId; i++) {
if (pMac->lim.gpSession[i].valid == true) {
if ((pMac->lim.gpSession[i].bssType ==
eSIR_INFRASTRUCTURE_MODE)
&& (pMac->lim.gpSession[i].limSystemRole ==
eLIM_STA_ROLE)) {
return pMac->lim.gpSession[i].
currentOperChannel;
}
}
}
return 0;
}
/**
* lim_process_add_sta_rsp() - process WDA_ADD_STA_RSP from WMA
* @mac_ctx: Pointer to Global MAC structure
* @msg: msg from WMA
*
* @Return: void
*/
void lim_process_add_sta_rsp(tpAniSirGlobal mac_ctx, struct scheduler_msg *msg)
{
tpPESession session;
tpAddStaParams add_sta_params;
add_sta_params = (tpAddStaParams) msg->bodyptr;
session = pe_find_session_by_session_id(mac_ctx,
add_sta_params->sessionId);
if (session == NULL) {
pe_err("Session Does not exist for given sessionID");
qdf_mem_free(add_sta_params);
return;
}
session->csaOffloadEnable = add_sta_params->csaOffloadEnable;
if (LIM_IS_IBSS_ROLE(session))
(void)lim_ibss_add_sta_rsp(mac_ctx, msg->bodyptr, session);
else if (LIM_IS_NDI_ROLE(session))
lim_ndp_add_sta_rsp(mac_ctx, session, msg->bodyptr);
#ifdef FEATURE_WLAN_TDLS
else if (add_sta_params->staType == STA_ENTRY_TDLS_PEER)
lim_process_tdls_add_sta_rsp(mac_ctx, msg->bodyptr, session);
#endif
else
lim_process_mlm_add_sta_rsp(mac_ctx, msg, session);
}
/**
* lim_update_beacon() - This function updates beacon
* @mac_ctx: pointer to Global Mac Structure
*
* This Function is invoked to update the beacon
*
* Return: none
*/
void lim_update_beacon(tpAniSirGlobal mac_ctx)
{
uint8_t i;
for (i = 0; i < mac_ctx->lim.maxBssId; i++) {
if (mac_ctx->lim.gpSession[i].valid != true)
continue;
if (((mac_ctx->lim.gpSession[i].limSystemRole == eLIM_AP_ROLE)
|| (mac_ctx->lim.gpSession[i].limSystemRole ==
eLIM_STA_IN_IBSS_ROLE))
&& (eLIM_SME_NORMAL_STATE ==
mac_ctx->lim.gpSession[i].limSmeState)) {
sch_set_fixed_beacon_fields(mac_ctx,
&mac_ctx->lim.gpSession[i]);
if (false == mac_ctx->sap.SapDfsInfo.
is_dfs_cac_timer_running)
lim_send_beacon_ind(mac_ctx,
&mac_ctx->lim.gpSession[i]);
}
}
}
/**
* lim_handle_heart_beat_failure_timeout - handle heart beat failure
* @mac_ctx: pointer to Global Mac Structure
*
* Function handle heart beat failure timeout
*
* Return: none
*/
void lim_handle_heart_beat_failure_timeout(tpAniSirGlobal mac_ctx)
{
uint8_t i;
tpPESession psession_entry;
/*
* Probe response is not received after HB failure.
* This is handled by LMM sub module.
*/
for (i = 0; i < mac_ctx->lim.maxBssId; i++) {
if (mac_ctx->lim.gpSession[i].valid != true)
continue;
psession_entry = &mac_ctx->lim.gpSession[i];
if (psession_entry->LimHBFailureStatus != true)
continue;
pe_debug("SME: %d MLME: %d HB-Count: %d",
psession_entry->limSmeState,
psession_entry->limMlmState,
psession_entry->LimRxedBeaconCntDuringHB);
#ifdef FEATURE_WLAN_DIAG_SUPPORT_LIM
lim_diag_event_report(mac_ctx, WLAN_PE_DIAG_HB_FAILURE_TIMEOUT,
psession_entry, 0, 0);
#endif
if ((psession_entry->limMlmState ==
eLIM_MLM_LINK_ESTABLISHED_STATE) &&
(psession_entry->limSmeState !=
eLIM_SME_WT_DISASSOC_STATE) &&
(psession_entry->limSmeState !=
eLIM_SME_WT_DEAUTH_STATE) &&
((!LIM_IS_CONNECTION_ACTIVE(psession_entry)) ||
/*
* Disconnect even if we have not received a single
* beacon after connection.
*/
(psession_entry->currentBssBeaconCnt == 0))) {
pe_debug("for session: %d",
psession_entry->peSessionId);
lim_send_deauth_mgmt_frame(mac_ctx,
eSIR_MAC_DISASSOC_DUE_TO_INACTIVITY_REASON,
psession_entry->bssId, psession_entry, false);
/*
* AP did not respond to Probe Request.
* Tear down link with it.
*/
lim_tear_down_link_with_ap(mac_ctx,
psession_entry->peSessionId,
eSIR_BEACON_MISSED);
mac_ctx->lim.gLimProbeFailureAfterHBfailedCnt++;
} else {
pe_err("Unexpected wt-probe-timeout in state");
lim_print_mlm_state(mac_ctx, LOGE,
psession_entry->limMlmState);
if (mac_ctx->sme.tx_queue_cb)
mac_ctx->sme.tx_queue_cb(mac_ctx->hdd_handle,
psession_entry->smeSessionId,
WLAN_WAKE_ALL_NETIF_QUEUE,
WLAN_CONTROL_PATH);
}
}
/*
* Deactivate Timer ProbeAfterHB Timer -> As its a oneshot timer,
* need not deactivate the timer
* tx_timer_deactivate(&pMac->lim.limTimers.gLimProbeAfterHBTimer);
*/
}
/*
* This function assumes there will not be more than one IBSS session active at any time.
*/
tpPESession lim_is_ibss_session_active(tpAniSirGlobal pMac)
{
uint8_t i;
for (i = 0; i < pMac->lim.maxBssId; i++) {
if ((pMac->lim.gpSession[i].valid) &&
(pMac->lim.gpSession[i].limSystemRole ==
eLIM_STA_IN_IBSS_ROLE))
return &pMac->lim.gpSession[i];
}
return NULL;
}
tpPESession lim_is_ap_session_active(tpAniSirGlobal pMac)
{
uint8_t i;
for (i = 0; i < pMac->lim.maxBssId; i++) {
if (pMac->lim.gpSession[i].valid &&
(pMac->lim.gpSession[i].limSystemRole == eLIM_AP_ROLE))
return &pMac->lim.gpSession[i];
}
return NULL;
}
/**---------------------------------------------------------
\fn lim_handle_defer_msg_error
\brief handles error scenario, when the msg can not be deferred.
\param pMac
\param pLimMsg LIM msg, which could not be deferred.
\return void
-----------------------------------------------------------*/
void lim_handle_defer_msg_error(tpAniSirGlobal pMac,
struct scheduler_msg *pLimMsg)
{
if (SIR_BB_XPORT_MGMT_MSG == pLimMsg->type) {
lim_decrement_pending_mgmt_count(pMac);
cds_pkt_return_packet((cds_pkt_t *) pLimMsg->bodyptr);
pLimMsg->bodyptr = NULL;
} else if (pLimMsg->bodyptr != NULL) {
qdf_mem_free(pLimMsg->bodyptr);
pLimMsg->bodyptr = NULL;
}
}
#ifdef FEATURE_WLAN_DIAG_SUPPORT
/**---------------------------------------------------------
\fn lim_diag_event_report
\brief This function reports Diag event
\param pMac
\param eventType
\param bssid
\param status
\param reasonCode
\return void
-----------------------------------------------------------*/
void lim_diag_event_report(tpAniSirGlobal pMac, uint16_t eventType,
tpPESession pSessionEntry, uint16_t status,
uint16_t reasonCode)
{
tSirMacAddr nullBssid = { 0, 0, 0, 0, 0, 0 };
WLAN_HOST_DIAG_EVENT_DEF(peEvent, host_event_wlan_pe_payload_type);
qdf_mem_set(&peEvent, sizeof(host_event_wlan_pe_payload_type), 0);
if (NULL == pSessionEntry) {
qdf_mem_copy(peEvent.bssid, nullBssid, sizeof(tSirMacAddr));
peEvent.sme_state = (uint16_t) pMac->lim.gLimSmeState;
peEvent.mlm_state = (uint16_t) pMac->lim.gLimMlmState;
} else {
qdf_mem_copy(peEvent.bssid, pSessionEntry->bssId,
sizeof(tSirMacAddr));
peEvent.sme_state = (uint16_t) pSessionEntry->limSmeState;
peEvent.mlm_state = (uint16_t) pSessionEntry->limMlmState;
}
peEvent.event_type = eventType;
peEvent.status = status;
peEvent.reason_code = reasonCode;
WLAN_HOST_DIAG_EVENT_REPORT(&peEvent, EVENT_WLAN_PE);
return;
}
static void lim_diag_fill_mgmt_event_report(tpAniSirGlobal mac_ctx,
tpSirMacMgmtHdr mac_hdr,
tpPESession session, uint16_t result_code,
uint16_t reason_code,
struct host_event_wlan_mgmt_payload_type *mgmt_event)
{
uint8_t length;
qdf_mem_set(mgmt_event, sizeof(*mgmt_event), 0);
mgmt_event->mgmt_type = mac_hdr->fc.type;
mgmt_event->mgmt_subtype = mac_hdr->fc.subType;
qdf_mem_copy(mgmt_event->self_mac_addr, session->selfMacAddr,
QDF_MAC_ADDR_SIZE);
qdf_mem_copy(mgmt_event->bssid, session->bssId,
QDF_MAC_ADDR_SIZE);
length = session->ssId.length;
if (length > SIR_MAC_MAX_SSID_LENGTH)
length = SIR_MAC_MAX_SSID_LENGTH;
qdf_mem_copy(mgmt_event->ssid, session->ssId.ssId, length);
mgmt_event->ssid_len = length;
mgmt_event->operating_channel = session->currentOperChannel;
mgmt_event->result_code = result_code;
mgmt_event->reason_code = reason_code;
}
void lim_diag_mgmt_tx_event_report(tpAniSirGlobal mac_ctx, void *mgmt_hdr,
tpPESession session, uint16_t result_code,
uint16_t reason_code)
{
tpSirMacMgmtHdr mac_hdr = mgmt_hdr;
WLAN_HOST_DIAG_EVENT_DEF(mgmt_event,
struct host_event_wlan_mgmt_payload_type);
if (!session || !mac_hdr) {
pe_err("not valid input");
return;
}
lim_diag_fill_mgmt_event_report(mac_ctx, mac_hdr, session,
result_code, reason_code, &mgmt_event);
pe_debug("TX frame: type:%d sub_type:%d seq_num:%d ssid:%.*s selfmacaddr:%pM bssid:%pM channel:%d",
mgmt_event.mgmt_type, mgmt_event.mgmt_subtype,
((mac_hdr->seqControl.seqNumHi << 4) |
mac_hdr->seqControl.seqNumLo),
mgmt_event.ssid_len, mgmt_event.ssid,
mgmt_event.self_mac_addr, mgmt_event.bssid,
mgmt_event.operating_channel);
WLAN_HOST_DIAG_EVENT_REPORT(&mgmt_event, EVENT_WLAN_HOST_MGMT_TX_V2);
}
void lim_diag_mgmt_rx_event_report(tpAniSirGlobal mac_ctx, void *mgmt_hdr,
tpPESession session, uint16_t result_code,
uint16_t reason_code)
{
tpSirMacMgmtHdr mac_hdr = mgmt_hdr;
WLAN_HOST_DIAG_EVENT_DEF(mgmt_event,
struct host_event_wlan_mgmt_payload_type);
if (!session || !mac_hdr) {
pe_err("not valid input");
return;
}
lim_diag_fill_mgmt_event_report(mac_ctx, mac_hdr, session,
result_code, reason_code, &mgmt_event);
pe_debug("RX frame: type:%d sub_type:%d seq_num:%d ssid:%.*s selfmacaddr:%pM bssid:%pM channel:%d",
mgmt_event.mgmt_type, mgmt_event.mgmt_subtype,
((mac_hdr->seqControl.seqNumHi << 4) |
mac_hdr->seqControl.seqNumLo),
mgmt_event.ssid_len, mgmt_event.ssid,
mgmt_event.self_mac_addr, mgmt_event.bssid,
mgmt_event.operating_channel);
WLAN_HOST_DIAG_EVENT_REPORT(&mgmt_event, EVENT_WLAN_HOST_MGMT_RX_V2);
}
#endif /* FEATURE_WLAN_DIAG_SUPPORT */
/* Returns length of P2P stream and Pointer ie passed to this function is filled with noa stream */
uint8_t lim_build_p2p_ie(tpAniSirGlobal pMac, uint8_t *ie, uint8_t *data,
uint8_t ie_len)
{
int length = 0;
uint8_t *ptr = ie;
ptr[length++] = SIR_MAC_EID_VENDOR;
ptr[length++] = ie_len + SIR_MAC_P2P_OUI_SIZE;
qdf_mem_copy(&ptr[length], SIR_MAC_P2P_OUI, SIR_MAC_P2P_OUI_SIZE);
qdf_mem_copy(&ptr[length + SIR_MAC_P2P_OUI_SIZE], data, ie_len);
return ie_len + SIR_P2P_IE_HEADER_LEN;
}
/* Returns length of NoA stream and Pointer pNoaStream passed to this function is filled with noa stream */
uint8_t lim_get_noa_attr_stream_in_mult_p2p_ies(tpAniSirGlobal pMac,
uint8_t *noaStream, uint8_t noaLen,
uint8_t overFlowLen)
{
uint8_t overFlowP2pStream[SIR_MAX_NOA_ATTR_LEN];
if ((noaLen <= (SIR_MAX_NOA_ATTR_LEN + SIR_P2P_IE_HEADER_LEN)) &&
(noaLen >= overFlowLen) && (overFlowLen <= SIR_MAX_NOA_ATTR_LEN)) {
qdf_mem_copy(overFlowP2pStream,
noaStream + noaLen - overFlowLen, overFlowLen);
noaStream[noaLen - overFlowLen] = SIR_MAC_EID_VENDOR;
noaStream[noaLen - overFlowLen + 1] =
overFlowLen + SIR_MAC_P2P_OUI_SIZE;
qdf_mem_copy(noaStream + noaLen - overFlowLen + 2,
SIR_MAC_P2P_OUI, SIR_MAC_P2P_OUI_SIZE);
qdf_mem_copy(noaStream + noaLen + 2 + SIR_MAC_P2P_OUI_SIZE -
overFlowLen, overFlowP2pStream, overFlowLen);
}
return noaLen + SIR_P2P_IE_HEADER_LEN;
}
/* Returns length of NoA stream and Pointer pNoaStream passed to this function is filled with noa stream */
uint8_t lim_get_noa_attr_stream(tpAniSirGlobal pMac, uint8_t *pNoaStream,
tpPESession psessionEntry)
{
uint8_t len = 0;
uint8_t *pBody = pNoaStream;
if ((psessionEntry != NULL) && (psessionEntry->valid) &&
(psessionEntry->pePersona == QDF_P2P_GO_MODE)) {
if ((!(psessionEntry->p2pGoPsUpdate.uNoa1Duration))
&& (!(psessionEntry->p2pGoPsUpdate.uNoa2Duration))
&& (!psessionEntry->p2pGoPsUpdate.oppPsFlag)
)
return 0; /* No NoA Descriptor then return 0 */
pBody[0] = SIR_P2P_NOA_ATTR;
pBody[3] = psessionEntry->p2pGoPsUpdate.index;
pBody[4] =
psessionEntry->p2pGoPsUpdate.ctWin | (psessionEntry->
p2pGoPsUpdate.
oppPsFlag << 7);
len = 5;
pBody += len;
if (psessionEntry->p2pGoPsUpdate.uNoa1Duration) {
*pBody = psessionEntry->p2pGoPsUpdate.uNoa1IntervalCnt;
pBody += 1;
len += 1;
*((uint32_t *) (pBody)) =
sir_swap_u32if_needed(psessionEntry->p2pGoPsUpdate.
uNoa1Duration);
pBody += sizeof(uint32_t);
len += 4;
*((uint32_t *) (pBody)) =
sir_swap_u32if_needed(psessionEntry->p2pGoPsUpdate.
uNoa1Interval);
pBody += sizeof(uint32_t);
len += 4;
*((uint32_t *) (pBody)) =
sir_swap_u32if_needed(psessionEntry->p2pGoPsUpdate.
uNoa1StartTime);
pBody += sizeof(uint32_t);
len += 4;
}
if (psessionEntry->p2pGoPsUpdate.uNoa2Duration) {
*pBody = psessionEntry->p2pGoPsUpdate.uNoa2IntervalCnt;
pBody += 1;
len += 1;
*((uint32_t *) (pBody)) =
sir_swap_u32if_needed(psessionEntry->p2pGoPsUpdate.
uNoa2Duration);
pBody += sizeof(uint32_t);
len += 4;
*((uint32_t *) (pBody)) =
sir_swap_u32if_needed(psessionEntry->p2pGoPsUpdate.
uNoa2Interval);
pBody += sizeof(uint32_t);
len += 4;
*((uint32_t *) (pBody)) =
sir_swap_u32if_needed(psessionEntry->p2pGoPsUpdate.
uNoa2StartTime);
pBody += sizeof(uint32_t);
len += 4;
}
pBody = pNoaStream + 1;
*((uint16_t *) (pBody)) = sir_swap_u16if_needed(len - 3); /*one byte for Attr and 2 bytes for length */
return len;
}
return 0;
}
void pe_set_resume_channel(tpAniSirGlobal pMac, uint16_t channel,
ePhyChanBondState phyCbState)
{
pMac->lim.gResumeChannel = channel;
pMac->lim.gResumePhyCbState = phyCbState;
}
bool lim_is_noa_insert_reqd(tpAniSirGlobal pMac)
{
uint8_t i;
for (i = 0; i < pMac->lim.maxBssId; i++) {
if (pMac->lim.gpSession[i].valid == true) {
if ((eLIM_AP_ROLE ==
pMac->lim.gpSession[i].limSystemRole)
&& (QDF_P2P_GO_MODE ==
pMac->lim.gpSession[i].pePersona)
) {
return true;
}
}
}
return false;
}
bool lim_isconnected_on_dfs_channel(tpAniSirGlobal mac_ctx,
uint8_t currentChannel)
{
if (CHANNEL_STATE_DFS ==
wlan_reg_get_channel_state(mac_ctx->pdev, currentChannel)) {
return true;
} else {
return false;
}
}
#ifdef WLAN_FEATURE_11W
void lim_pmf_sa_query_timer_handler(void *pMacGlobal, uint32_t param)
{
tpAniSirGlobal pMac = (tpAniSirGlobal) pMacGlobal;
tPmfSaQueryTimerId timerId;
tpPESession psessionEntry;
tpDphHashNode pSta;
uint32_t maxRetries;
pe_debug("SA Query timer fires");
timerId.value = param;
/* Check that SA Query is in progress */
psessionEntry = pe_find_session_by_session_id(pMac,
timerId.fields.sessionId);
if (psessionEntry == NULL) {
pe_err("Session does not exist for given session ID: %d",
timerId.fields.sessionId);
return;
}
pSta = dph_get_hash_entry(pMac, timerId.fields.peerIdx,
&psessionEntry->dph.dphHashTable);
if (pSta == NULL) {
pe_err("Entry does not exist for given peer index: %d",
timerId.fields.peerIdx);
return;
}
if (DPH_SA_QUERY_IN_PROGRESS != pSta->pmfSaQueryState)
return;
/* Increment the retry count, check if reached maximum */
if (wlan_cfg_get_int(pMac, WNI_CFG_PMF_SA_QUERY_MAX_RETRIES,
&maxRetries) != QDF_STATUS_SUCCESS) {
pe_err("Could not retrieve PMF SA Query maximum retries value");
pSta->pmfSaQueryState = DPH_SA_QUERY_NOT_IN_PROGRESS;
return;
}
pSta->pmfSaQueryRetryCount++;
if (pSta->pmfSaQueryRetryCount >= maxRetries) {
pe_err("SA Query timed out,Deleting STA");
lim_print_mac_addr(pMac, pSta->staAddr, LOGE);
lim_send_disassoc_mgmt_frame(pMac,
eSIR_MAC_DISASSOC_DUE_TO_INACTIVITY_REASON,
pSta->staAddr, psessionEntry, false);
lim_trigger_sta_deletion(pMac, pSta, psessionEntry);
pSta->pmfSaQueryState = DPH_SA_QUERY_TIMED_OUT;
return;
}
/* Retry SA Query */
lim_send_sa_query_request_frame(pMac,
(uint8_t *) &(pSta->
pmfSaQueryCurrentTransId),
pSta->staAddr, psessionEntry);
pSta->pmfSaQueryCurrentTransId++;
pe_debug("Starting SA Query retry: %d", pSta->pmfSaQueryRetryCount);
if (tx_timer_activate(&pSta->pmfSaQueryTimer) != TX_SUCCESS) {
pe_err("PMF SA Query timer activation failed!");
pSta->pmfSaQueryState = DPH_SA_QUERY_NOT_IN_PROGRESS;
}
}
#endif
bool lim_check_vht_op_mode_change(tpAniSirGlobal pMac, tpPESession psessionEntry,
uint8_t chanWidth, uint8_t staId,
uint8_t *peerMac)
{
tUpdateVHTOpMode tempParam;
tempParam.opMode = chanWidth;
tempParam.staId = staId;
tempParam.smesessionId = psessionEntry->smeSessionId;
qdf_mem_copy(tempParam.peer_mac, peerMac, sizeof(tSirMacAddr));
lim_send_mode_update(pMac, &tempParam, psessionEntry);
return true;
}
#ifdef WLAN_FEATURE_11AX_BSS_COLOR
bool lim_send_he_ie_update(tpAniSirGlobal mac_ctx, tpPESession pe_session)
{
QDF_STATUS status;
status = wma_update_he_ops_ie(cds_get_context(QDF_MODULE_ID_WMA),
pe_session->smeSessionId,
&pe_session->he_op);
if (QDF_IS_STATUS_ERROR(status))
return false;
return true;
}
#endif
bool lim_set_nss_change(tpAniSirGlobal pMac, tpPESession psessionEntry,
uint8_t rxNss, uint8_t staId, uint8_t *peerMac)
{
tUpdateRxNss tempParam;
if (!rxNss) {
pe_err("Invalid rxNss value: %u", rxNss);
cds_trigger_recovery(QDF_REASON_UNSPECIFIED);
}
tempParam.rxNss = rxNss;
tempParam.staId = staId;
tempParam.smesessionId = psessionEntry->smeSessionId;
qdf_mem_copy(tempParam.peer_mac, peerMac, sizeof(tSirMacAddr));
lim_send_rx_nss_update(pMac, &tempParam, psessionEntry);
return true;
}
bool lim_check_membership_user_position(tpAniSirGlobal pMac,
tpPESession psessionEntry,
uint32_t membership, uint32_t userPosition,
uint8_t staId)
{
tUpdateMembership tempParamMembership;
tUpdateUserPos tempParamUserPosition;
tempParamMembership.membership = membership;
tempParamMembership.staId = staId;
tempParamMembership.smesessionId = psessionEntry->smeSessionId;
qdf_mem_copy(tempParamMembership.peer_mac, psessionEntry->bssId,
sizeof(tSirMacAddr));
lim_set_membership(pMac, &tempParamMembership, psessionEntry);
tempParamUserPosition.userPos = userPosition;
tempParamUserPosition.staId = staId;
tempParamUserPosition.smesessionId = psessionEntry->smeSessionId;
qdf_mem_copy(tempParamUserPosition.peer_mac, psessionEntry->bssId,
sizeof(tSirMacAddr));
lim_set_user_pos(pMac, &tempParamUserPosition, psessionEntry);
return true;
}
void lim_get_short_slot_from_phy_mode(tpAniSirGlobal pMac, tpPESession psessionEntry,
uint32_t phyMode, uint8_t *pShortSlotEnabled)
{
uint8_t val = 0;
/* only 2.4G band should have short slot enable, rest it should be default */
if (phyMode == WNI_CFG_PHY_MODE_11G) {
/* short slot is default in all other modes */
if ((psessionEntry->pePersona == QDF_SAP_MODE) ||
(psessionEntry->pePersona == QDF_IBSS_MODE) ||
(psessionEntry->pePersona == QDF_P2P_GO_MODE)) {
val = true;
}
/* Program Polaris based on AP capability */
if (psessionEntry->limMlmState == eLIM_MLM_WT_JOIN_BEACON_STATE) {
/* Joining BSS. */
val =
SIR_MAC_GET_SHORT_SLOT_TIME(psessionEntry->
limCurrentBssCaps);
} else if (psessionEntry->limMlmState ==
eLIM_MLM_WT_REASSOC_RSP_STATE) {
/* Reassociating with AP. */
val =
SIR_MAC_GET_SHORT_SLOT_TIME(psessionEntry->
limReassocBssCaps);
}
} else {
/*
* 11B does not short slot and short slot is default
* for 11A mode. Hence, not need to set this bit
*/
val = false;
}
pe_debug("phyMode: %u shortslotsupported: %u", phyMode, val);
*pShortSlotEnabled = val;
}
#ifdef WLAN_FEATURE_11W
/**
*
* \brief This function is called by various LIM modules to correctly set
* the Protected bit in the Frame Control Field of the 802.11 frame MAC header
*
*
* \param pMac Pointer to Global MAC structure
*
* \param psessionEntry Pointer to session corresponding to the connection
*
* \param peer Peer address of the STA to which the frame is to be sent
*
* \param pMacHdr Pointer to the frame MAC header
*
* \return nothing
*
*
*/
void
lim_set_protected_bit(tpAniSirGlobal pMac,
tpPESession psessionEntry,
tSirMacAddr peer, tpSirMacMgmtHdr pMacHdr)
{
uint16_t aid;
tpDphHashNode pStaDs;
if (LIM_IS_AP_ROLE(psessionEntry)) {
pStaDs = dph_lookup_hash_entry(pMac, peer, &aid,
&psessionEntry->dph.dphHashTable);
if (pStaDs != NULL) {
/* rmfenabled will be set at the time of addbss.
* but sometimes EAP auth fails and keys are not
* installed then if we send any management frame
* like deauth/disassoc with this bit set then
* firmware crashes. so check for keys are
* installed or not also before setting the bit
*/
if (pStaDs->rmfEnabled && pStaDs->is_key_installed)
pMacHdr->fc.wep = 1;
}
} else if (psessionEntry->limRmfEnabled &&
psessionEntry->is_key_installed) {
pMacHdr->fc.wep = 1;
}
} /*** end lim_set_protected_bit() ***/
#endif
void lim_set_ht_caps(tpAniSirGlobal p_mac, tpPESession p_session_entry,
uint8_t *p_ie_start, uint32_t num_bytes)
{
const uint8_t *p_ie = NULL;
tDot11fIEHTCaps dot11_ht_cap = {0,};
populate_dot11f_ht_caps(p_mac, p_session_entry, &dot11_ht_cap);
p_ie = wlan_get_ie_ptr_from_eid(DOT11F_EID_HTCAPS,
p_ie_start, num_bytes);
pe_debug("p_ie: %pK dot11_ht_cap.supportedMCSSet[0]: 0x%x",
p_ie, dot11_ht_cap.supportedMCSSet[0]);
if (p_ie) {
/* convert from unpacked to packed structure */
tHtCaps *p_ht_cap = (tHtCaps *) &p_ie[2];
p_ht_cap->advCodingCap = dot11_ht_cap.advCodingCap;
p_ht_cap->supportedChannelWidthSet =
dot11_ht_cap.supportedChannelWidthSet;
p_ht_cap->mimoPowerSave = dot11_ht_cap.mimoPowerSave;
p_ht_cap->greenField = dot11_ht_cap.greenField;
p_ht_cap->shortGI20MHz = dot11_ht_cap.shortGI20MHz;
p_ht_cap->shortGI40MHz = dot11_ht_cap.shortGI40MHz;
p_ht_cap->txSTBC = dot11_ht_cap.txSTBC;
p_ht_cap->rxSTBC = dot11_ht_cap.rxSTBC;
p_ht_cap->delayedBA = dot11_ht_cap.delayedBA;
p_ht_cap->maximalAMSDUsize = dot11_ht_cap.maximalAMSDUsize;
p_ht_cap->dsssCckMode40MHz = dot11_ht_cap.dsssCckMode40MHz;
p_ht_cap->psmp = dot11_ht_cap.psmp;
p_ht_cap->stbcControlFrame = dot11_ht_cap.stbcControlFrame;
p_ht_cap->lsigTXOPProtection = dot11_ht_cap.lsigTXOPProtection;
p_ht_cap->maxRxAMPDUFactor = dot11_ht_cap.maxRxAMPDUFactor;
p_ht_cap->mpduDensity = dot11_ht_cap.mpduDensity;
qdf_mem_copy((void *)p_ht_cap->supportedMCSSet,
(void *)(dot11_ht_cap.supportedMCSSet),
sizeof(p_ht_cap->supportedMCSSet));
p_ht_cap->pco = dot11_ht_cap.pco;
p_ht_cap->transitionTime = dot11_ht_cap.transitionTime;
p_ht_cap->mcsFeedback = dot11_ht_cap.mcsFeedback;
p_ht_cap->txBF = dot11_ht_cap.txBF;
p_ht_cap->rxStaggeredSounding =
dot11_ht_cap.rxStaggeredSounding;
p_ht_cap->txStaggeredSounding =
dot11_ht_cap.txStaggeredSounding;
p_ht_cap->rxZLF = dot11_ht_cap.rxZLF;
p_ht_cap->txZLF = dot11_ht_cap.txZLF;
p_ht_cap->implicitTxBF = dot11_ht_cap.implicitTxBF;
p_ht_cap->calibration = dot11_ht_cap.calibration;
p_ht_cap->explicitCSITxBF = dot11_ht_cap.explicitCSITxBF;
p_ht_cap->explicitUncompressedSteeringMatrix =
dot11_ht_cap.explicitUncompressedSteeringMatrix;
p_ht_cap->explicitBFCSIFeedback =
dot11_ht_cap.explicitBFCSIFeedback;
p_ht_cap->explicitUncompressedSteeringMatrixFeedback =
dot11_ht_cap.explicitUncompressedSteeringMatrixFeedback;
p_ht_cap->explicitCompressedSteeringMatrixFeedback =
dot11_ht_cap.explicitCompressedSteeringMatrixFeedback;
p_ht_cap->csiNumBFAntennae = dot11_ht_cap.csiNumBFAntennae;
p_ht_cap->uncompressedSteeringMatrixBFAntennae =
dot11_ht_cap.uncompressedSteeringMatrixBFAntennae;
p_ht_cap->compressedSteeringMatrixBFAntennae =
dot11_ht_cap.compressedSteeringMatrixBFAntennae;
p_ht_cap->antennaSelection = dot11_ht_cap.antennaSelection;
p_ht_cap->explicitCSIFeedbackTx =
dot11_ht_cap.explicitCSIFeedbackTx;
p_ht_cap->antennaIndicesFeedbackTx =
dot11_ht_cap.antennaIndicesFeedbackTx;
p_ht_cap->explicitCSIFeedback =
dot11_ht_cap.explicitCSIFeedback;
p_ht_cap->antennaIndicesFeedback =
dot11_ht_cap.antennaIndicesFeedback;
p_ht_cap->rxAS = dot11_ht_cap.rxAS;
p_ht_cap->txSoundingPPDUs = dot11_ht_cap.txSoundingPPDUs;
}
}
void lim_set_vht_caps(tpAniSirGlobal p_mac, tpPESession p_session_entry,
uint8_t *p_ie_start, uint32_t num_bytes)
{
const uint8_t *p_ie = NULL;
tDot11fIEVHTCaps dot11_vht_cap;
populate_dot11f_vht_caps(p_mac, p_session_entry, &dot11_vht_cap);
p_ie = wlan_get_ie_ptr_from_eid(DOT11F_EID_VHTCAPS, p_ie_start,
num_bytes);
if (p_ie) {
tSirMacVHTCapabilityInfo *vht_cap =
(tSirMacVHTCapabilityInfo *) &p_ie[2];
tSirVhtMcsInfo *vht_mcs = (tSirVhtMcsInfo *) &p_ie[2 +
sizeof(tSirMacVHTCapabilityInfo)];
union {
uint16_t u_value;
tSirMacVHTRxSupDataRateInfo vht_rx_supp_rate;
tSirMacVHTTxSupDataRateInfo vht_tx_supp_rate;
} u_vht_data_rate_info;
vht_cap->maxMPDULen = dot11_vht_cap.maxMPDULen;
vht_cap->supportedChannelWidthSet =
dot11_vht_cap.supportedChannelWidthSet;
vht_cap->ldpcCodingCap = dot11_vht_cap.ldpcCodingCap;
vht_cap->shortGI80MHz = dot11_vht_cap.shortGI80MHz;
vht_cap->shortGI160and80plus80MHz =
dot11_vht_cap.shortGI160and80plus80MHz;
vht_cap->txSTBC = dot11_vht_cap.txSTBC;
vht_cap->rxSTBC = dot11_vht_cap.rxSTBC;
vht_cap->suBeamFormerCap = dot11_vht_cap.suBeamFormerCap;
vht_cap->suBeamformeeCap = dot11_vht_cap.suBeamformeeCap;
vht_cap->csnofBeamformerAntSup =
dot11_vht_cap.csnofBeamformerAntSup;
vht_cap->numSoundingDim = dot11_vht_cap.numSoundingDim;
vht_cap->muBeamformerCap = dot11_vht_cap.muBeamformerCap;
vht_cap->muBeamformeeCap = dot11_vht_cap.muBeamformeeCap;
vht_cap->vhtTXOPPS = dot11_vht_cap.vhtTXOPPS;
vht_cap->htcVHTCap = dot11_vht_cap.htcVHTCap;
vht_cap->maxAMPDULenExp = dot11_vht_cap.maxAMPDULenExp;
vht_cap->vhtLinkAdaptCap = dot11_vht_cap.vhtLinkAdaptCap;
vht_cap->rxAntPattern = dot11_vht_cap.rxAntPattern;
vht_cap->txAntPattern = dot11_vht_cap.txAntPattern;
vht_cap->reserved1 = dot11_vht_cap.reserved1;
/* Populate VHT MCS Information */
vht_mcs->rxMcsMap = dot11_vht_cap.rxMCSMap;
u_vht_data_rate_info.vht_rx_supp_rate.rxSupDataRate =
dot11_vht_cap.rxHighSupDataRate;
u_vht_data_rate_info.vht_rx_supp_rate.reserved =
dot11_vht_cap.reserved2;
vht_mcs->rxHighest = u_vht_data_rate_info.u_value;
vht_mcs->txMcsMap = dot11_vht_cap.txMCSMap;
u_vht_data_rate_info.vht_tx_supp_rate.txSupDataRate =
dot11_vht_cap.txSupDataRate;
u_vht_data_rate_info.vht_tx_supp_rate.reserved =
dot11_vht_cap.reserved3;
vht_mcs->txHighest = u_vht_data_rate_info.u_value;
}
}
/**
* lim_validate_received_frame_a1_addr() - To validate received frame's A1 addr
* @mac_ctx: pointer to mac context
* @a1: received frame's a1 address which is nothing but our self address
* @session: PE session pointer
*
* This routine will validate, A1 address of the received frame
*
* Return: true or false
*/
bool lim_validate_received_frame_a1_addr(tpAniSirGlobal mac_ctx,
tSirMacAddr a1, tpPESession session)
{
if (mac_ctx == NULL || session == NULL) {
pe_err("mac or session context is null");
/* let main routine handle it */
return true;
}
if (lim_is_group_addr(a1) || lim_is_addr_bc(a1)) {
/* just for fail safe, don't handle MC/BC a1 in this routine */
return true;
}
if (qdf_mem_cmp(a1, session->selfMacAddr, 6)) {
pe_err("Invalid A1 address in received frame");
return false;
}
return true;
}
/**
* lim_check_and_reset_protection_params() - reset protection related parameters
*
* @mac_ctx: pointer to global mac structure
*
* resets protection related global parameters if the pe active session count
* is zero.
*
* Return: None
*/
void lim_check_and_reset_protection_params(tpAniSirGlobal mac_ctx)
{
if (!pe_get_active_session_count(mac_ctx)) {
mac_ctx->lim.gHTOperMode = eSIR_HT_OP_MODE_PURE;
}
}
/**
* lim_set_stads_rtt_cap() - update station node RTT capability
* @sta_ds: Station hash node
* @ext_cap: Pointer to extended capability
* @mac_ctx: global MAC context
*
* This funciton update hash node's RTT capability based on received
* Extended capability IE.
*
* Return: None
*/
void lim_set_stads_rtt_cap(tpDphHashNode sta_ds, struct s_ext_cap *ext_cap,
tpAniSirGlobal mac_ctx)
{
sta_ds->timingMeasCap = 0;
sta_ds->timingMeasCap |= (ext_cap->timing_meas) ?
RTT_TIMING_MEAS_CAPABILITY :
RTT_INVALID;
sta_ds->timingMeasCap |= (ext_cap->fine_time_meas_initiator) ?
RTT_FINE_TIME_MEAS_INITIATOR_CAPABILITY :
RTT_INVALID;
sta_ds->timingMeasCap |= (ext_cap->fine_time_meas_responder) ?
RTT_FINE_TIME_MEAS_RESPONDER_CAPABILITY :
RTT_INVALID;
pe_debug("ExtCap present, timingMeas: %d Initiator: %d Responder: %d",
ext_cap->timing_meas, ext_cap->fine_time_meas_initiator,
ext_cap->fine_time_meas_responder);
}
#ifdef WLAN_SUPPORT_TWT
void lim_set_peer_twt_cap(tpPESession session, struct s_ext_cap *ext_cap)
{
session->peer_twt_requestor = ext_cap->twt_requestor_support;
session->peer_twt_responder = ext_cap->twt_responder_support;
pe_debug("Ext Cap peer TWT requestor: %d, responder: %d",
ext_cap->twt_requestor_support,
ext_cap->twt_responder_support);
}
#endif
/**
* lim_send_ie() - sends IE to wma
* @mac_ctx: global MAC context
* @sme_session_id: sme session id
* @eid: IE id
* @band: band for which IE is intended
* @buf: buffer containing IE
* @len: length of buffer
*
* This funciton sends the IE data to WMA.
*
* Return: status of operation
*/
static QDF_STATUS lim_send_ie(tpAniSirGlobal mac_ctx, uint32_t sme_session_id,
uint8_t eid, enum cds_band_type band,
uint8_t *buf, uint32_t len)
{
struct vdev_ie_info *ie_msg;
struct scheduler_msg msg = {0};
QDF_STATUS status;
/* Allocate memory for the WMI request */
ie_msg = qdf_mem_malloc(sizeof(*ie_msg) + len);
if (!ie_msg) {
pe_err("Failed to allocate memory");
return QDF_STATUS_E_NOMEM;
}
ie_msg->vdev_id = sme_session_id;
ie_msg->ie_id = eid;
ie_msg->length = len;
ie_msg->band = band;
/* IE data buffer starts at end of the struct */
ie_msg->data = (uint8_t *)&ie_msg[1];
qdf_mem_copy(ie_msg->data, buf, len);
msg.type = WMA_SET_IE_INFO;
msg.bodyptr = ie_msg;
msg.reserved = 0;
status = scheduler_post_msg(QDF_MODULE_ID_WMA, &msg);
if (QDF_STATUS_SUCCESS != status) {
pe_err("Not able to post WMA_SET_IE_INFO to WMA");
qdf_mem_free(ie_msg);
return status;
}
return status;
}
/**
* lim_get_rx_ldpc() - gets ldpc setting for given channel(band)
* @mac_ctx: global mac context
* @ch: channel enum for which ldpc setting is required
* Note: ch param is not absolute channel number rather it is
* channel number enum.
*
* Return: true if enabled and false otherwise
*/
static inline bool lim_get_rx_ldpc(tpAniSirGlobal mac_ctx, enum channel_enum ch)
{
if (mac_ctx->roam.configParam.rx_ldpc_enable &&
wma_is_rx_ldpc_supported_for_channel(WLAN_REG_CH_NUM(ch)))
return true;
else
return false;
}
/**
* lim_send_ies_per_band() - gets ht and vht capability and send to firmware via
* wma
* @mac_ctx: global mac context
* @session: pe session. This can be NULL. In that case self cap will be sent
* @vdev_id: vdev for which IE is targeted
*
* This funciton gets ht and vht capability and send to firmware via wma
*
* Return: status of operation
*/
QDF_STATUS lim_send_ies_per_band(tpAniSirGlobal mac_ctx,
tpPESession session,
uint8_t vdev_id)
{
uint8_t ht_caps[DOT11F_IE_HTCAPS_MIN_LEN + 2] = {0};
uint8_t vht_caps[DOT11F_IE_VHTCAPS_MAX_LEN + 2] = {0};
tHtCaps *p_ht_cap = (tHtCaps *)(&ht_caps[2]);
tSirMacVHTCapabilityInfo *p_vht_cap =
(tSirMacVHTCapabilityInfo *)(&vht_caps[2]);
QDF_STATUS status;
/*
* Note: Do not use Dot11f VHT structure, since 1 byte present flag in
* it is causing weird padding errors. Instead use Sir Mac VHT struct
* to send IE to wma.
*/
ht_caps[0] = DOT11F_EID_HTCAPS;
ht_caps[1] = DOT11F_IE_HTCAPS_MIN_LEN;
lim_set_ht_caps(mac_ctx, session, ht_caps,
DOT11F_IE_HTCAPS_MIN_LEN + 2);
/* Get LDPC and over write for 2G */
p_ht_cap->advCodingCap = lim_get_rx_ldpc(mac_ctx, CHAN_ENUM_6);
/* Get self cap for HT40 support in 2G */
if (mac_ctx->roam.configParam.channelBondingMode24GHz) {
p_ht_cap->supportedChannelWidthSet = 1;
p_ht_cap->shortGI40MHz = 1;
} else {
p_ht_cap->supportedChannelWidthSet = 0;
p_ht_cap->shortGI40MHz = 0;
}
lim_send_ie(mac_ctx, vdev_id, DOT11F_EID_HTCAPS,
CDS_BAND_2GHZ, &ht_caps[2], DOT11F_IE_HTCAPS_MIN_LEN);
/*
* Get LDPC and over write for 5G - using channel 64 because it
* is available in all reg domains.
*/
p_ht_cap->advCodingCap = lim_get_rx_ldpc(mac_ctx, CHAN_ENUM_64);
/* Get self cap for HT40 support in 5G */
if (mac_ctx->roam.configParam.channelBondingMode5GHz) {
p_ht_cap->supportedChannelWidthSet = 1;
p_ht_cap->shortGI40MHz = 1;
} else {
p_ht_cap->supportedChannelWidthSet = 0;
p_ht_cap->shortGI40MHz = 0;
}
lim_send_ie(mac_ctx, vdev_id, DOT11F_EID_HTCAPS,
CDS_BAND_5GHZ, &ht_caps[2], DOT11F_IE_HTCAPS_MIN_LEN);
vht_caps[0] = DOT11F_EID_VHTCAPS;
vht_caps[1] = DOT11F_IE_VHTCAPS_MAX_LEN;
lim_set_vht_caps(mac_ctx, session, vht_caps,
DOT11F_IE_VHTCAPS_MIN_LEN + 2);
/*
* Get LDPC and over write for 5G - using channel 64 because it
* is available in all reg domains.
*/
p_vht_cap->ldpcCodingCap = lim_get_rx_ldpc(mac_ctx, CHAN_ENUM_64);
/* Self VHT channel width for 5G is already negotiated with FW */
lim_send_ie(mac_ctx, vdev_id, DOT11F_EID_VHTCAPS,
CDS_BAND_5GHZ, &vht_caps[2], DOT11F_IE_VHTCAPS_MIN_LEN);
/* Get LDPC and over write for 2G */
p_vht_cap->ldpcCodingCap = lim_get_rx_ldpc(mac_ctx, CHAN_ENUM_6);
/* Self VHT 80/160/80+80 channel width for 2G is 0 */
p_vht_cap->supportedChannelWidthSet = 0;
p_vht_cap->shortGI80MHz = 0;
p_vht_cap->shortGI160and80plus80MHz = 0;
lim_send_ie(mac_ctx, vdev_id, DOT11F_EID_VHTCAPS,
CDS_BAND_2GHZ, &vht_caps[2], DOT11F_IE_VHTCAPS_MIN_LEN);
status = lim_send_he_caps_ie(mac_ctx, session, vdev_id);
return status;
}
/**
* lim_send_ext_cap_ie() - send ext cap IE to FW
* @mac_ctx: global MAC context
* @session_entry: PE session
* @extra_extcap: extracted ext cap
* @merge: merge extra ext cap
*
* This function is invoked after VDEV is created to update firmware
* about the extended capabilities that the corresponding VDEV is capable
* of. Since STA/SAP can have different Extended capabilities set, this function
* is called per vdev creation.
*
* Return: QDF_STATUS
*/
QDF_STATUS lim_send_ext_cap_ie(tpAniSirGlobal mac_ctx,
uint32_t session_id,
tDot11fIEExtCap *extra_extcap, bool merge)
{
tDot11fIEExtCap ext_cap_data = {0};
uint32_t dot11mode, num_bytes;
bool vht_enabled = false;
struct vdev_ie_info *vdev_ie;
struct scheduler_msg msg = {0};
QDF_STATUS status;
wlan_cfg_get_int(mac_ctx, WNI_CFG_DOT11_MODE, &dot11mode);
if (IS_DOT11_MODE_VHT(dot11mode))
vht_enabled = true;
status = populate_dot11f_ext_cap(mac_ctx, vht_enabled, &ext_cap_data,
NULL);
if (QDF_STATUS_SUCCESS != status) {
pe_err("Failed to populate ext cap IE");
return QDF_STATUS_E_FAILURE;
}
num_bytes = ext_cap_data.num_bytes;
if (merge && NULL != extra_extcap && extra_extcap->num_bytes > 0) {
if (extra_extcap->num_bytes > ext_cap_data.num_bytes)
num_bytes = extra_extcap->num_bytes;
lim_merge_extcap_struct(&ext_cap_data, extra_extcap, true);
}
/* Allocate memory for the WMI request, and copy the parameter */
vdev_ie = qdf_mem_malloc(sizeof(*vdev_ie) + num_bytes);
if (!vdev_ie) {
pe_err("Failed to allocate memory");
return QDF_STATUS_E_NOMEM;
}
vdev_ie->vdev_id = session_id;
vdev_ie->ie_id = DOT11F_EID_EXTCAP;
vdev_ie->length = num_bytes;
vdev_ie->band = 0;
vdev_ie->data = (uint8_t *)vdev_ie + sizeof(*vdev_ie);
qdf_mem_copy(vdev_ie->data, ext_cap_data.bytes, num_bytes);
msg.type = WMA_SET_IE_INFO;
msg.bodyptr = vdev_ie;
msg.reserved = 0;
if (QDF_STATUS_SUCCESS !=
scheduler_post_msg(QDF_MODULE_ID_WMA, &msg)) {
pe_err("Not able to post WMA_SET_IE_INFO to WDA");
qdf_mem_free(vdev_ie);
return QDF_STATUS_E_FAILURE;
}
return QDF_STATUS_SUCCESS;
}
/**
* lim_strip_ie() - strip requested IE from IE buffer
* @mac_ctx: global MAC context
* @addn_ie: Additional IE buffer
* @addn_ielen: Length of additional IE
* @eid: EID of IE to strip
* @size_of_len_field: length of IE length field
* @oui: if present matches OUI also
* @oui_length: if previous present, this is length of oui
* @extracted_ie: if not NULL, copy the stripped IE to this buffer
*
* This utility function is used to strip of the requested IE if present
* in IE buffer.
*
* Return: QDF_STATUS
*/
QDF_STATUS lim_strip_ie(tpAniSirGlobal mac_ctx,
uint8_t *addn_ie, uint16_t *addn_ielen,
uint8_t eid, eSizeOfLenField size_of_len_field,
uint8_t *oui, uint8_t oui_length, uint8_t *extracted_ie,
uint32_t eid_max_len)
{
uint8_t *tempbuf = NULL;
uint16_t templen = 0;
int left = *addn_ielen;
uint8_t *ptr = addn_ie;
uint8_t elem_id;
uint16_t elem_len;
if (NULL == addn_ie) {
pe_debug("NULL addn_ie pointer");
return QDF_STATUS_E_INVAL;
}
tempbuf = qdf_mem_malloc(left);
if (NULL == tempbuf) {
pe_err("Unable to allocate memory");
return QDF_STATUS_E_NOMEM;
}
while (left >= 2) {
elem_id = ptr[0];
left -= 1;
if (size_of_len_field == TWO_BYTE) {
elem_len = *((uint16_t *)&ptr[1]);
left -= 2;
} else {
elem_len = ptr[1];
left -= 1;
}
if (elem_len > left) {
pe_err("Invalid IEs eid: %d elem_len: %d left: %d",
elem_id, elem_len, left);
qdf_mem_free(tempbuf);
return QDF_STATUS_E_FAILURE;
}
if (eid != elem_id ||
(oui && qdf_mem_cmp(oui,
&ptr[size_of_len_field + 1],
oui_length))) {
qdf_mem_copy(tempbuf + templen, &ptr[0],
elem_len + size_of_len_field + 1);
templen += (elem_len + size_of_len_field + 1);
} else {
/*
* eid matched and if provided OUI also matched
* take oui IE and store in provided buffer.
*/
if (NULL != extracted_ie) {
qdf_mem_set(extracted_ie,
eid_max_len + size_of_len_field + 1,
0);
if (elem_len <= eid_max_len)
qdf_mem_copy(extracted_ie, &ptr[0],
elem_len + size_of_len_field + 1);
}
}
left -= elem_len;
ptr += (elem_len + size_of_len_field + 1);
}
qdf_mem_copy(addn_ie, tempbuf, templen);
*addn_ielen = templen;
qdf_mem_free(tempbuf);
return QDF_STATUS_SUCCESS;
}
#ifdef WLAN_FEATURE_11W
void lim_del_pmf_sa_query_timer(tpAniSirGlobal mac_ctx, tpPESession pe_session)
{
uint32_t associated_sta;
tpDphHashNode sta_ds = NULL;
for (associated_sta = 1;
associated_sta < mac_ctx->lim.gLimAssocStaLimit;
associated_sta++) {
sta_ds = dph_get_hash_entry(mac_ctx, associated_sta,
&pe_session->dph.dphHashTable);
if (NULL == sta_ds)
continue;
if (!sta_ds->rmfEnabled) {
pe_debug("no PMF timer for sta-idx:%d assoc-id:%d",
sta_ds->staIndex, sta_ds->assocId);
continue;
}
pe_debug("Deleting pmfSaQueryTimer for sta-idx:%d assoc-id:%d",
sta_ds->staIndex, sta_ds->assocId);
tx_timer_deactivate(&sta_ds->pmfSaQueryTimer);
tx_timer_delete(&sta_ds->pmfSaQueryTimer);
}
}
#endif
QDF_STATUS lim_strip_supp_op_class_update_struct(tpAniSirGlobal mac_ctx,
uint8_t *addn_ie, uint16_t *addn_ielen,
tDot11fIESuppOperatingClasses *dst)
{
uint8_t extracted_buff[DOT11F_IE_SUPPOPERATINGCLASSES_MAX_LEN + 2];
QDF_STATUS status;
qdf_mem_set((uint8_t *)&extracted_buff[0],
DOT11F_IE_SUPPOPERATINGCLASSES_MAX_LEN + 2,
0);
status = lim_strip_ie(mac_ctx, addn_ie, addn_ielen,
DOT11F_EID_SUPPOPERATINGCLASSES, ONE_BYTE,
NULL, 0, extracted_buff,
DOT11F_IE_SUPPOPERATINGCLASSES_MAX_LEN);
if (QDF_STATUS_SUCCESS != status) {
pe_warn("Failed to strip supp_op_mode IE status: %d",
status);
return status;
}
if (DOT11F_EID_SUPPOPERATINGCLASSES != extracted_buff[0] ||
extracted_buff[1] > DOT11F_IE_SUPPOPERATINGCLASSES_MAX_LEN) {
pe_warn("Invalid IEs eid: %d elem_len: %d",
extracted_buff[0], extracted_buff[1]);
return QDF_STATUS_E_FAILURE;
}
/* update the extracted supp op class to struct*/
if (DOT11F_PARSE_SUCCESS != dot11f_unpack_ie_supp_operating_classes(
mac_ctx, &extracted_buff[2], extracted_buff[1], dst, false)) {
pe_err("dot11f_unpack Parse Error");
return QDF_STATUS_E_FAILURE;
}
return QDF_STATUS_SUCCESS;
}
/**
* lim_update_extcap_struct() - poputlate the dot11f structure
* @mac_ctx: global MAC context
* @buf: extracted IE buffer
* @dst: extended capability IE structure to be updated
*
* This function is used to update the extended capability structure
* with @buf.
*
* Return: None
*/
void lim_update_extcap_struct(tpAniSirGlobal mac_ctx,
uint8_t *buf, tDot11fIEExtCap *dst)
{
uint8_t out[DOT11F_IE_EXTCAP_MAX_LEN];
uint32_t status;
if (NULL == buf) {
pe_err("Invalid Buffer Address");
return;
}
if (NULL == dst) {
pe_err("NULL dst pointer");
return;
}
if (DOT11F_EID_EXTCAP != buf[0] || buf[1] > DOT11F_IE_EXTCAP_MAX_LEN) {
pe_debug_rl("Invalid IEs eid: %d elem_len: %d", buf[0], buf[1]);
return;
}
qdf_mem_set((uint8_t *)&out[0], DOT11F_IE_EXTCAP_MAX_LEN, 0);
qdf_mem_copy(&out[0], &buf[2], buf[1]);
status = dot11f_unpack_ie_ext_cap(mac_ctx, &out[0],
buf[1], dst, false);
if (DOT11F_PARSE_SUCCESS != status)
pe_err("dot11f_unpack Parse Error %d", status);
}
/**
* lim_strip_extcap_update_struct - strip extended capability IE and populate
* the dot11f structure
* @mac_ctx: global MAC context
* @addn_ie: Additional IE buffer
* @addn_ielen: Length of additional IE
* @dst: extended capability IE structure to be updated
*
* This function is used to strip extended capability IE from IE buffer and
* update the passed structure.
*
* Return: QDF_STATUS
*/
QDF_STATUS lim_strip_extcap_update_struct(tpAniSirGlobal mac_ctx,
uint8_t *addn_ie, uint16_t *addn_ielen, tDot11fIEExtCap *dst)
{
uint8_t extracted_buff[DOT11F_IE_EXTCAP_MAX_LEN + 2];
QDF_STATUS status;
qdf_mem_set((uint8_t *)&extracted_buff[0], DOT11F_IE_EXTCAP_MAX_LEN + 2,
0);
status = lim_strip_ie(mac_ctx, addn_ie, addn_ielen,
DOT11F_EID_EXTCAP, ONE_BYTE,
NULL, 0, extracted_buff,
DOT11F_IE_EXTCAP_MAX_LEN);
if (QDF_STATUS_SUCCESS != status) {
pe_debug("Failed to strip extcap IE status: %d", status);
return status;
}
/* update the extracted ExtCap to struct*/
lim_update_extcap_struct(mac_ctx, extracted_buff, dst);
return status;
}
/**
* lim_merge_extcap_struct() - merge extended capabilities info
* @dst: destination extended capabilities
* @src: source extended capabilities
* @add: true if add the capabilities, false if strip the capabilities.
*
* This function is used to take @src info and add/strip it to/from
* @dst extended capabilities info.
*
* Return: None
*/
void lim_merge_extcap_struct(tDot11fIEExtCap *dst,
tDot11fIEExtCap *src,
bool add)
{
uint8_t *tempdst = (uint8_t *)dst->bytes;
uint8_t *tempsrc = (uint8_t *)src->bytes;
uint8_t structlen = member_size(tDot11fIEExtCap, bytes);
/* Return if @src not present */
if (!src->present)
return;
/* Return if strip the capabilities from @dst which not present */
if (!dst->present && !add)
return;
/* Merge the capabilities info in other cases */
while (tempdst && tempsrc && structlen--) {
if (add)
*tempdst |= *tempsrc;
else
*tempdst &= *tempsrc;
tempdst++;
tempsrc++;
}
dst->num_bytes = lim_compute_ext_cap_ie_length(dst);
if (dst->num_bytes == 0)
dst->present = 0;
else
dst->present = 1;
}
/**
* lim_get_80Mhz_center_channel - finds 80 Mhz center channel
*
* @primary_channel: Primary channel for given 80 MHz band
*
* There are fixed 80MHz band and for each fixed band there is only one center
* valid channel. Also location of primary channel decides what 80 MHz band will
* it use, hence it decides what center channel will be used. This function
* does thus calculation and returns the center channel.
*
* Return: center channel
*/
uint8_t
lim_get_80Mhz_center_channel(uint8_t primary_channel)
{
if (primary_channel >= 36 && primary_channel <= 48)
return (36+48)/2;
if (primary_channel >= 52 && primary_channel <= 64)
return (52+64)/2;
if (primary_channel >= 100 && primary_channel <= 112)
return (100+112)/2;
if (primary_channel >= 116 && primary_channel <= 128)
return (116+128)/2;
if (primary_channel >= 132 && primary_channel <= 144)
return (132+144)/2;
if (primary_channel >= 149 && primary_channel <= 161)
return (149+161)/2;
return INVALID_CHANNEL_ID;
}
/**
* lim_bss_type_to_string(): converts bss type enum to string.
* @bss_type: enum value of bss_type.
*
* Return: Printable string for bss_type
*/
const char *lim_bss_type_to_string(const uint16_t bss_type)
{
switch (bss_type) {
CASE_RETURN_STRING(eSIR_INFRASTRUCTURE_MODE);
CASE_RETURN_STRING(eSIR_INFRA_AP_MODE);
CASE_RETURN_STRING(eSIR_IBSS_MODE);
CASE_RETURN_STRING(eSIR_AUTO_MODE);
CASE_RETURN_STRING(eSIR_NDI_MODE);
default:
return "Unknown bss_type";
}
}
/**
* lim_init_obss_params(): Initializes the OBSS Scan Parameters
* @sesssion: LIM session
* @mac_ctx: Mac context
*
* Return: None
*/
void lim_init_obss_params(tpAniSirGlobal mac_ctx, tpPESession session)
{
uint32_t cfg_value;
if (wlan_cfg_get_int(mac_ctx, WNI_CFG_OBSS_HT40_SCAN_ACTIVE_DWELL_TIME,
&cfg_value) != QDF_STATUS_SUCCESS) {
pe_err("Fail to retrieve: %x value",
WNI_CFG_OBSS_HT40_SCAN_ACTIVE_DWELL_TIME);
return;
}
session->obss_ht40_scanparam.obss_active_dwelltime = cfg_value;
if (wlan_cfg_get_int(mac_ctx, WNI_CFG_OBSS_HT40_SCAN_PASSIVE_DWELL_TIME,
&cfg_value) != QDF_STATUS_SUCCESS) {
pe_err("Fail to retrieve: %x value",
WNI_CFG_OBSS_HT40_SCAN_PASSIVE_DWELL_TIME);
return;
}
session->obss_ht40_scanparam.obss_passive_dwelltime = cfg_value;
if (wlan_cfg_get_int(mac_ctx,
WNI_CFG_OBSS_HT40_SCAN_WIDTH_TRIGGER_INTERVAL,
&cfg_value) != QDF_STATUS_SUCCESS) {
pe_err("Fail to retrieve: %x value",
WNI_CFG_OBSS_HT40_SCAN_WIDTH_TRIGGER_INTERVAL);
return;
}
session->obss_ht40_scanparam.obss_width_trigger_interval = cfg_value;
if (wlan_cfg_get_int(mac_ctx,
WNI_CFG_OBSS_HT40_SCAN_ACTIVE_TOTAL_PER_CHANNEL,
&cfg_value) != QDF_STATUS_SUCCESS) {
pe_err("Fail to retrieve: %x value",
WNI_CFG_OBSS_HT40_SCAN_ACTIVE_TOTAL_PER_CHANNEL);
return;
}
session->obss_ht40_scanparam.obss_active_total_per_channel = cfg_value;
if (wlan_cfg_get_int(mac_ctx,
WNI_CFG_OBSS_HT40_SCAN_PASSIVE_TOTAL_PER_CHANNEL, &cfg_value)
!= QDF_STATUS_SUCCESS) {
pe_err("Fail to retrieve: %x value",
WNI_CFG_OBSS_HT40_SCAN_PASSIVE_TOTAL_PER_CHANNEL);
return;
}
session->obss_ht40_scanparam.obss_passive_total_per_channel = cfg_value;
if (wlan_cfg_get_int(mac_ctx,
WNI_CFG_OBSS_HT40_WIDTH_CH_TRANSITION_DELAY, &cfg_value)
!= QDF_STATUS_SUCCESS) {
pe_err("Fail to retrieve: %x value",
WNI_CFG_OBSS_HT40_WIDTH_CH_TRANSITION_DELAY);
return;
}
session->obss_ht40_scanparam.bsswidth_ch_trans_delay =
cfg_value;
if (wlan_cfg_get_int(mac_ctx, WNI_CFG_OBSS_HT40_SCAN_ACTIVITY_THRESHOLD,
&cfg_value) != QDF_STATUS_SUCCESS) {
pe_err("Fail to retrieve: %x value",
WNI_CFG_OBSS_HT40_SCAN_ACTIVITY_THRESHOLD);
return;
}
session->obss_ht40_scanparam.obss_activity_threshold = cfg_value;
}
/**
* lim_update_obss_scanparams(): Updates OBSS SCAN IE parameters to session
* @sesssion: LIM session
* @scan_params: Scan parameters
*
* Return: None
*/
void lim_update_obss_scanparams(tpPESession session,
tDot11fIEOBSSScanParameters *scan_params)
{
/*
* If the received value is not in the range specified
* by the Specification then it will be the default value
* configured through cfg
*/
if ((scan_params->obssScanActiveDwell >
WNI_CFG_OBSS_HT40_SCAN_ACTIVE_DWELL_TIME_STAMIN) &&
(scan_params->obssScanActiveDwell <
WNI_CFG_OBSS_HT40_SCAN_ACTIVE_DWELL_TIME_STAMAX))
session->obss_ht40_scanparam.obss_active_dwelltime =
scan_params->obssScanActiveDwell;
if ((scan_params->obssScanPassiveDwell >
WNI_CFG_OBSS_HT40_SCAN_PASSIVE_DWELL_TIME_STAMIN) &&
(scan_params->obssScanPassiveDwell <
WNI_CFG_OBSS_HT40_SCAN_PASSIVE_DWELL_TIME_STAMAX))
session->obss_ht40_scanparam.obss_passive_dwelltime =
scan_params->obssScanPassiveDwell;
if ((scan_params->bssWidthChannelTransitionDelayFactor >
WNI_CFG_OBSS_HT40_WIDTH_CH_TRANSITION_DELAY_STAMIN) &&
(scan_params->bssWidthChannelTransitionDelayFactor <
WNI_CFG_OBSS_HT40_WIDTH_CH_TRANSITION_DELAY_STAMAX))
session->obss_ht40_scanparam.bsswidth_ch_trans_delay =
scan_params->bssWidthChannelTransitionDelayFactor;
if ((scan_params->obssScanActiveTotalPerChannel >
WNI_CFG_OBSS_HT40_SCAN_ACTIVE_TOTAL_PER_CHANNEL_STAMIN) &&
(scan_params->obssScanActiveTotalPerChannel <
WNI_CFG_OBSS_HT40_SCAN_ACTIVE_TOTAL_PER_CHANNEL_STAMAX))
session->obss_ht40_scanparam.obss_active_total_per_channel =
scan_params->obssScanActiveTotalPerChannel;
if ((scan_params->obssScanPassiveTotalPerChannel >
WNI_CFG_OBSS_HT40_SCAN_PASSIVE_TOTAL_PER_CHANNEL_STAMIN) &&
(scan_params->obssScanPassiveTotalPerChannel <
WNI_CFG_OBSS_HT40_SCAN_PASSIVE_TOTAL_PER_CHANNEL_STAMAX))
session->obss_ht40_scanparam.obss_passive_total_per_channel =
scan_params->obssScanPassiveTotalPerChannel;
if ((scan_params->bssChannelWidthTriggerScanInterval >
WNI_CFG_OBSS_HT40_SCAN_WIDTH_TRIGGER_INTERVAL_STAMIN) &&
(scan_params->bssChannelWidthTriggerScanInterval <
WNI_CFG_OBSS_HT40_SCAN_WIDTH_TRIGGER_INTERVAL_STAMAX))
session->obss_ht40_scanparam.obss_width_trigger_interval =
scan_params->bssChannelWidthTriggerScanInterval;
if ((scan_params->obssScanActivityThreshold >
WNI_CFG_OBSS_HT40_SCAN_ACTIVITY_THRESHOLD_STAMIN) &&
(scan_params->obssScanActivityThreshold <
WNI_CFG_OBSS_HT40_SCAN_ACTIVITY_THRESHOLD_STAMAX))
session->obss_ht40_scanparam.obss_activity_threshold =
scan_params->obssScanActivityThreshold;
return;
}
/**
* lim_is_robust_mgmt_action_frame() - Check if action category is
* robust action frame
* @action_category: Action frame category.
*
* This function is used to check if given action category is robust
* action frame.
*
* Return: bool
*/
bool lim_is_robust_mgmt_action_frame(uint8_t action_category)
{
switch (action_category) {
/*
* NOTE: This function doesn't take care of the DMG
* (Directional Multi-Gigatbit) BSS case as 8011ad
* support is not yet added. In future, if the support
* is required then this function need few more arguments
* and little change in logic.
*/
case SIR_MAC_ACTION_SPECTRUM_MGMT:
case SIR_MAC_ACTION_QOS_MGMT:
case SIR_MAC_ACTION_DLP:
case SIR_MAC_ACTION_BLKACK:
case SIR_MAC_ACTION_RRM:
case SIR_MAC_ACTION_FAST_BSS_TRNST:
case SIR_MAC_ACTION_SA_QUERY:
case SIR_MAC_ACTION_PROT_DUAL_PUB:
case SIR_MAC_ACTION_WNM:
case SIR_MAC_ACITON_MESH:
case SIR_MAC_ACTION_MHF:
case SIR_MAC_ACTION_FST:
return true;
default:
pe_debug("non-PMF action category: %d", action_category);
break;
}
return false;
}
/**
* lim_compute_ext_cap_ie_length - compute the length of ext cap ie
* based on the bits set
* @ext_cap: extended IEs structure
*
* Return: length of the ext cap ie, 0 means should not present
*/
uint8_t lim_compute_ext_cap_ie_length(tDot11fIEExtCap *ext_cap)
{
uint8_t i = DOT11F_IE_EXTCAP_MAX_LEN;
while (i) {
if (ext_cap->bytes[i-1])
break;
i--;
}
return i;
}
/**
* lim_update_caps_info_for_bss - Update capability info for this BSS
*
* @mac_ctx: mac context
* @caps: Pointer to capability info to be updated
* @bss_caps: Capability info of the BSS
*
* Update the capability info in Assoc/Reassoc request frames and reset
* the spectrum management, short preamble, immediate block ack bits
* if the BSS doesnot support it
*
* Return: None
*/
void lim_update_caps_info_for_bss(tpAniSirGlobal mac_ctx,
uint16_t *caps, uint16_t bss_caps)
{
if (!(bss_caps & LIM_SPECTRUM_MANAGEMENT_BIT_MASK)) {
*caps &= (~LIM_SPECTRUM_MANAGEMENT_BIT_MASK);
pe_debug("Clearing spectrum management:no AP support");
}
if (!(bss_caps & LIM_SHORT_PREAMBLE_BIT_MASK)) {
*caps &= (~LIM_SHORT_PREAMBLE_BIT_MASK);
pe_debug("Clearing short preamble:no AP support");
}
if (!(bss_caps & LIM_IMMEDIATE_BLOCK_ACK_MASK)) {
*caps &= (~LIM_IMMEDIATE_BLOCK_ACK_MASK);
pe_debug("Clearing Immed Blk Ack:no AP support");
}
}
/**
* lim_send_set_dtim_period(): Send SIR_HAL_SET_DTIM_PERIOD message
* to set dtim period.
*
* @sesssion: LIM session
* @dtim_period: dtim value
* @mac_ctx: Mac context
* @return None
*/
void lim_send_set_dtim_period(tpAniSirGlobal mac_ctx, uint8_t dtim_period,
tpPESession session)
{
struct set_dtim_params *dtim_params = NULL;
QDF_STATUS ret = QDF_STATUS_SUCCESS;
struct scheduler_msg msg = {0};
if (!session) {
pe_err("Inavalid parameters");
return;
}
dtim_params = qdf_mem_malloc(sizeof(*dtim_params));
if (!dtim_params) {
pe_err("Unable to allocate memory");
return;
}
dtim_params->dtim_period = dtim_period;
dtim_params->session_id = session->smeSessionId;
msg.type = WMA_SET_DTIM_PERIOD;
msg.bodyptr = dtim_params;
msg.bodyval = 0;
pe_debug("Post WMA_SET_DTIM_PERIOD to WMA");
ret = wma_post_ctrl_msg(mac_ctx, &msg);
if (QDF_STATUS_SUCCESS != ret) {
pe_err("wma_post_ctrl_msg() failed");
qdf_mem_free(dtim_params);
}
}
/**
* lim_is_valid_frame(): validate RX frame using last processed frame details
* to find if it is duplicate frame.
*
* @last_processed_frm: last processed frame pointer.
* @pRxPacketInfo: RX packet.
*
* Frame treat as duplicate:
* if retry bit is set and
* if source address and seq number matches with the last processed frame
*
* Return: false if duplicate frame, else true.
*/
bool lim_is_valid_frame(last_processed_msg *last_processed_frm,
uint8_t *pRxPacketInfo)
{
uint16_t seq_num;
tpSirMacMgmtHdr pHdr;
if (!pRxPacketInfo) {
pe_err("Invalid RX frame");
return false;
}
pHdr = WMA_GET_RX_MAC_HEADER(pRxPacketInfo);
if (pHdr->fc.retry == 0)
return true;
seq_num = (((pHdr->seqControl.seqNumHi <<
HIGH_SEQ_NUM_OFFSET) |
pHdr->seqControl.seqNumLo));
if (last_processed_frm->seq_num == seq_num &&
qdf_mem_cmp(last_processed_frm->sa, pHdr->sa, ETH_ALEN) == 0) {
pe_err("Duplicate frame from "MAC_ADDRESS_STR " Seq Number %d",
MAC_ADDR_ARRAY(pHdr->sa), seq_num);
return false;
}
return true;
}
/**
* lim_update_last_processed_frame(): update new processed frame info to cache.
*
* @last_processed_frm: last processed frame pointer.
* @pRxPacketInfo: Successfully processed RX packet.
*
* Return: None.
*/
void lim_update_last_processed_frame(last_processed_msg *last_processed_frm,
uint8_t *pRxPacketInfo)
{
uint16_t seq_num;
tpSirMacMgmtHdr pHdr;
if (!pRxPacketInfo) {
pe_err("Invalid RX frame");
return;
}
pHdr = WMA_GET_RX_MAC_HEADER(pRxPacketInfo);
seq_num = (((pHdr->seqControl.seqNumHi <<
HIGH_SEQ_NUM_OFFSET) |
pHdr->seqControl.seqNumLo));
qdf_mem_copy(last_processed_frm->sa, pHdr->sa, ETH_ALEN);
last_processed_frm->seq_num = seq_num;
}
#ifdef WLAN_FEATURE_11AX
void lim_add_he_cap(tpAddStaParams add_sta_params, tpSirAssocReq assoc_req)
{
if (!add_sta_params->he_capable || !assoc_req)
return;
qdf_mem_copy(&add_sta_params->he_config, &assoc_req->he_cap,
sizeof(add_sta_params->he_config));
}
void lim_add_self_he_cap(tpAddStaParams add_sta_params, tpPESession session)
{
if (!session)
return;
add_sta_params->he_capable = true;
qdf_mem_copy(&add_sta_params->he_config, &session->he_config,
sizeof(add_sta_params->he_config));
qdf_mem_copy(&add_sta_params->he_op, &session->he_op,
sizeof(add_sta_params->he_op));
}
/**
* lim_intersect_he_caps() - Intersect peer capability and self capability
* @rcvd_he: pointer to received peer capability
* @session_he: pointer to self capability
* @peer_he: pointer to Intersected capability
*
* Return: None
*/
static void lim_intersect_he_caps(tDot11fIEhe_cap *rcvd_he,
tDot11fIEhe_cap *session_he,
tDot11fIEhe_cap *peer_he)
{
uint8_t val;
qdf_mem_copy(peer_he, rcvd_he, sizeof(*peer_he));
peer_he->fragmentation &= session_he->fragmentation;
if (session_he->tx_stbc_lt_80mhz && peer_he->rx_stbc_lt_80mhz)
peer_he->rx_stbc_lt_80mhz = 1;
else
peer_he->rx_stbc_lt_80mhz = 0;
if (session_he->rx_stbc_lt_80mhz && peer_he->tx_stbc_lt_80mhz)
peer_he->tx_stbc_lt_80mhz = 1;
else
peer_he->tx_stbc_lt_80mhz = 0;
if (session_he->tx_stbc_gt_80mhz && peer_he->rx_stbc_gt_80mhz)
peer_he->rx_stbc_gt_80mhz = 1;
else
peer_he->rx_stbc_gt_80mhz = 0;
if (session_he->rx_stbc_gt_80mhz && peer_he->tx_stbc_gt_80mhz)
peer_he->tx_stbc_gt_80mhz = 1;
else
peer_he->tx_stbc_gt_80mhz = 0;
/* Tx Doppler is first bit and Rx Doppler is second bit */
if (session_he->doppler) {
val = 0;
if ((session_he->doppler & 0x1) && (peer_he->doppler & 0x10))
val |= (1 << 1);
if ((session_he->doppler & 0x10) && (peer_he->doppler & 0x1))
val |= (1 << 0);
peer_he->doppler = val;
}
peer_he->su_beamformer = session_he->su_beamformee ?
peer_he->su_beamformer : 0;
peer_he->su_beamformee = (session_he->su_beamformer ||
session_he->mu_beamformer) ?
peer_he->su_beamformee : 0;
peer_he->mu_beamformer = session_he->su_beamformee ?
peer_he->mu_beamformer : 0;
peer_he->twt_request = session_he->twt_responder ?
peer_he->twt_request : 0;
peer_he->twt_responder = session_he->twt_request ?
peer_he->twt_responder : 0;
}
void lim_intersect_sta_he_caps(tpSirAssocReq assoc_req, tpPESession session,
tpDphHashNode sta_ds)
{
tDot11fIEhe_cap *rcvd_he = &assoc_req->he_cap;
tDot11fIEhe_cap *session_he = &session->he_config;
tDot11fIEhe_cap *peer_he = &sta_ds->he_config;
if (sta_ds->mlmStaContext.he_capable)
lim_intersect_he_caps(rcvd_he, session_he, peer_he);
}
void lim_intersect_ap_he_caps(tpPESession session, tpAddBssParams add_bss,
tSchBeaconStruct *beacon, tpSirAssocRsp assoc_rsp)
{
tDot11fIEhe_cap *rcvd_he;
tDot11fIEhe_cap *session_he = &session->he_config;
tDot11fIEhe_cap *peer_he = &add_bss->staContext.he_config;
if (beacon)
rcvd_he = &beacon->he_cap;
else
rcvd_he = &assoc_rsp->he_cap;
lim_intersect_he_caps(rcvd_he, session_he, peer_he);
add_bss->staContext.he_capable = true;
}
void lim_add_bss_he_cap(tpAddBssParams add_bss, tpSirAssocRsp assoc_rsp)
{
tDot11fIEhe_cap *he_cap;
tDot11fIEhe_op *he_op;
he_cap = &assoc_rsp->he_cap;
he_op = &assoc_rsp->he_op;
add_bss->he_capable = he_cap->present;
if (he_cap)
qdf_mem_copy(&add_bss->staContext.he_config,
he_cap, sizeof(*he_cap));
if (he_op)
qdf_mem_copy(&add_bss->staContext.he_op,
he_op, sizeof(*he_op));
}
void lim_add_bss_he_cfg(tpAddBssParams add_bss, tpPESession session)
{
add_bss->he_sta_obsspd = session->he_sta_obsspd;
}
void lim_update_stads_he_caps(tpDphHashNode sta_ds, tpSirAssocRsp assoc_rsp,
tpPESession session_entry)
{
tDot11fIEhe_cap *he_cap;
he_cap = &assoc_rsp->he_cap;
sta_ds->mlmStaContext.he_capable = he_cap->present;
if (!he_cap->present)
return;
qdf_mem_copy(&sta_ds->he_config, he_cap, sizeof(*he_cap));
}
void lim_update_usr_he_cap(tpAniSirGlobal mac_ctx, tpPESession session)
{
tSirAddIeParams *add_ie = &session->addIeParams;
tDot11fIEhe_cap *he_cap = &session->he_config;
struct he_cap_network_endian *he_cap_from_ie;
uint8_t extracted_buff[DOT11F_IE_HE_CAP_MAX_LEN + 2];
QDF_STATUS status;
qdf_mem_zero(extracted_buff, sizeof(extracted_buff));
status = lim_strip_ie(mac_ctx, add_ie->probeRespBCNData_buff,
&add_ie->probeRespBCNDataLen,
DOT11F_EID_HE_CAP, ONE_BYTE,
HE_CAP_OUI_TYPE, (uint8_t)HE_CAP_OUI_SIZE,
extracted_buff, DOT11F_IE_HE_CAP_MAX_LEN);
if (QDF_STATUS_SUCCESS != status) {
pe_debug("Failed to strip HE cap IE status: %d", status);
return;
}
pe_debug("Before update: su_beamformer: %d, su_beamformee: %d, mu_beamformer: %d",
he_cap->su_beamformer, he_cap->su_beamformee, he_cap->mu_beamformer);
he_cap_from_ie = (struct he_cap_network_endian *)
&extracted_buff[HE_CAP_OUI_SIZE + 2];
he_cap->su_beamformer =
he_cap->su_beamformer & he_cap_from_ie->su_beamformer;
he_cap->su_beamformee =
he_cap->su_beamformee & he_cap_from_ie->su_beamformee;
he_cap->mu_beamformer =
he_cap->mu_beamformer & he_cap_from_ie->mu_beamformer;
pe_debug("After update: su_beamformer: %d, su_beamformee: %d, mu_beamformer: %d",
he_cap->su_beamformer, he_cap->su_beamformee, he_cap->mu_beamformer);
}
void lim_decide_he_op(tpAniSirGlobal mac_ctx, tpAddBssParams add_bss,
tpPESession session)
{
uint32_t val;
uint8_t color;
struct he_ops_network_endian *he_ops_from_ie;
tDot11fIEhe_op *he_ops = &add_bss->he_op;
tSirAddIeParams *add_ie = &session->addIeParams;
uint8_t extracted_buff[DOT11F_IE_HE_OP_MAX_LEN + 2];
QDF_STATUS status;
qdf_mem_zero(extracted_buff, sizeof(extracted_buff));
status = lim_strip_ie(mac_ctx, add_ie->probeRespBCNData_buff,
&add_ie->probeRespBCNDataLen,
DOT11F_EID_HE_OP, ONE_BYTE,
HE_OP_OUI_TYPE, (uint8_t)HE_OP_OUI_SIZE,
extracted_buff, DOT11F_IE_HE_OP_MAX_LEN);
if (QDF_STATUS_SUCCESS != status) {
pe_debug("Failed to strip HE OP IE status: %d", status);
return;
}
he_ops_from_ie = (struct he_ops_network_endian *)
&extracted_buff[HE_OP_OUI_SIZE + 2];
if (he_ops_from_ie->bss_color) {
he_ops->bss_color = he_ops_from_ie->bss_color;
} else {
cds_rand_get_bytes(0, &color, 1);
/* make sure color is within 1-63*/
he_ops->bss_color = (color % WNI_CFG_HE_OPS_BSS_COLOR_MAX) + 1;
}
he_ops->default_pe = he_ops_from_ie->default_pe;
he_ops->twt_required = he_ops_from_ie->twt_required;
he_ops->rts_threshold = he_ops_from_ie->rts_threshold;
he_ops->partial_bss_col = he_ops_from_ie->partial_bss_col;
he_ops->tx_bssid_ind = he_ops_from_ie->tx_bssid_ind;
he_ops->bss_col_disabled = he_ops_from_ie->bss_col_disabled;
if (QDF_STATUS_SUCCESS != wlan_cfg_get_int(mac_ctx,
WNI_CFG_HE_OPS_BASIC_MCS_NSS, &val))
val = WNI_CFG_HE_OPS_BASIC_MCS_NSS_DEF;
*((uint16_t *)he_ops->basic_mcs_nss) = (uint16_t)val;
qdf_mem_copy(&session->he_op, he_ops, sizeof(*he_ops));
pe_debug("HE Op: bss_color: 0x%0x, default_pe_duration: 0x%0x",
he_ops->bss_color, he_ops->default_pe);
pe_debug("He Op: twt_required: 0x%0x, rts_threshold: 0x%0x",
he_ops->twt_required, he_ops->rts_threshold);
pe_debug("HE Op: partial_bss_color: 0x%0x, Tx BSSID Indicator: 0x%0x",
he_ops->partial_bss_col, he_ops->tx_bssid_ind);
pe_debug("HE Op: BSS color disabled: 0x%0x",
he_ops->bss_col_disabled);
pe_debug("HE Op: Basic MCS NSS: 0x%04x",
*((uint16_t *)he_ops->basic_mcs_nss));
}
void lim_copy_bss_he_cap(tpPESession session,
tpSirSmeStartBssReq sme_start_bss_req)
{
qdf_mem_copy(&(session->he_config), &(sme_start_bss_req->he_config),
sizeof(session->he_config));
}
void lim_copy_join_req_he_cap(tpPESession session,
tpSirSmeJoinReq sme_join_req)
{
qdf_mem_copy(&(session->he_config), &(sme_join_req->he_config),
sizeof(session->he_config));
if (session->ch_width <= CH_WIDTH_80MHZ) {
*(uint16_t *)session->he_config.rx_he_mcs_map_160 =
HE_MCS_ALL_DISABLED;
*(uint16_t *)session->he_config.tx_he_mcs_map_160 =
HE_MCS_ALL_DISABLED;
*(uint16_t *)session->he_config.rx_he_mcs_map_80_80 =
HE_MCS_ALL_DISABLED;
*(uint16_t *)session->he_config.tx_he_mcs_map_80_80 =
HE_MCS_ALL_DISABLED;
}
}
void lim_log_he_cap(tpAniSirGlobal mac, tDot11fIEhe_cap *he_cap)
{
uint8_t chan_width;
struct ppet_hdr *hdr;
if (!he_cap->present)
return;
pe_debug("HE Capabilities:");
/* HE MAC capabilities */
pe_debug("\tHTC-HE conrol: 0x%01x", he_cap->htc_he);
pe_debug("\tTWT Requestor support: 0x%01x",
he_cap->twt_request);
pe_debug("\tTWT Responder support: 0x%01x",
he_cap->twt_responder);
pe_debug("\tFragmentation support: 0x%02x",
he_cap->fragmentation);
pe_debug("\tMax no.of frag MSDUs: 0x%03x",
he_cap->max_num_frag_msdu);
pe_debug("\tMin. frag size: 0x%02x", he_cap->min_frag_size);
pe_debug("\tTrigger MAC pad duration: 0x%02x",
he_cap->trigger_frm_mac_pad);
pe_debug("\tMulti-TID aggr support: 0x%03x",
he_cap->multi_tid_aggr);
pe_debug("\tLink adaptation: 0x%02x",
he_cap->he_link_adaptation);
pe_debug("\tAll ACK support: 0x%01x", he_cap->all_ack);
pe_debug("\tUL MU resp. scheduling: 0x%01x",
he_cap->ul_mu_rsp_sched);
pe_debug("\tA-Buff status report: 0x%01x", he_cap->a_bsr);
pe_debug("\tBroadcast TWT support: 0x%01x",
he_cap->broadcast_twt);
pe_debug("\t32bit BA bitmap support: 0x%01x",
he_cap->ba_32bit_bitmap);
pe_debug("\tMU Cascading support: 0x%01x",
he_cap->mu_cascade);
pe_debug("\tACK enabled Multi-TID: 0x%01x",
he_cap->ack_enabled_multitid);
pe_debug("\tMulti-STA BA in DL MU: 0x%01x", he_cap->dl_mu_ba);
pe_debug("\tOMI A-Control support: 0x%01x",
he_cap->omi_a_ctrl);
pe_debug("\tOFDMA RA support: 0x%01x", he_cap->ofdma_ra);
pe_debug("\tMax A-MPDU Length: 0x%02x",
he_cap->max_ampdu_len);
pe_debug("\tA-MSDU Fragmentation: 0x%01x",
he_cap->amsdu_frag);
pe_debug("\tFlex. TWT sched support: 0x%01x",
he_cap->flex_twt_sched);
pe_debug("\tRx Ctrl frame to MBSS: 0x%01x",
he_cap->rx_ctrl_frame);
pe_debug("\tBSRP A-MPDU Aggregation: 0x%01x",
he_cap->bsrp_ampdu_aggr);
pe_debug("\tQuite Time Period support: 0x%01x", he_cap->qtp);
pe_debug("\tA-BQR support: 0x%01x", he_cap->a_bqr);
pe_debug("\tSR Reponder support: 0x%01x", he_cap->sr_responder);
pe_debug("\tNDP Feedback support: 0x%01x", he_cap->ndp_feedback_supp);
pe_debug("\tOPS support: 0x%01x", he_cap->ops_supp);
pe_debug("\tOPS support: 0x%01x", he_cap->amsdu_in_ampdu);
/* HE PHY capabilities */
pe_debug("\tDual band support: 0x%01x", he_cap->dual_band);
chan_width = HE_CH_WIDTH_COMBINE(he_cap->chan_width_0,
he_cap->chan_width_1, he_cap->chan_width_2,
he_cap->chan_width_3, he_cap->chan_width_4,
he_cap->chan_width_5, he_cap->chan_width_6);
pe_debug("\tChannel width support: 0x%07x", chan_width);
pe_debug("\tPreamble puncturing Rx: 0x%04x",
he_cap->rx_pream_puncturing);
pe_debug("\tClass of device: 0x%01x", he_cap->device_class);
pe_debug("\tLDPC coding support: 0x%01x",
he_cap->ldpc_coding);
pe_debug("\tLTF and GI for HE PPDUs: 0x%02x",
he_cap->he_1x_ltf_800_gi_ppdu);
pe_debug("\tMidamble Rx MAX NSTS: 0x%02x",
he_cap->midamble_rx_max_nsts);
pe_debug("\tLTF and GI for NDP: 0x%02x",
he_cap->he_4x_ltf_3200_gi_ndp);
pe_debug("\tSTBC Tx support (<= 80MHz): 0x%01x",
he_cap->tx_stbc_lt_80mhz);
pe_debug("\tSTBC Rx support (<= 80MHz): 0x%01x",
he_cap->rx_stbc_lt_80mhz);
pe_debug("\tDoppler support: 0x%02x", he_cap->doppler);
pe_debug("\tUL MU: 0x%02x", he_cap->ul_mu);
pe_debug("\tDCM encoding Tx: 0x%03x", he_cap->dcm_enc_tx);
pe_debug("\tDCM encoding Tx: 0x%03x", he_cap->dcm_enc_rx);
pe_debug("\tHE MU PPDU payload support: 0x%01x",
he_cap->ul_he_mu);
pe_debug("\tSU Beamformer: 0x%01x", he_cap->su_beamformer);
pe_debug("\tSU Beamformee: 0x%01x", he_cap->su_beamformee);
pe_debug("\tMU Beamformer: 0x%01x", he_cap->mu_beamformer);
pe_debug("\tBeamformee STS for <= 80Mhz: 0x%03x",
he_cap->bfee_sts_lt_80);
pe_debug("\tBeamformee STS for > 80Mhz: 0x%03x",
he_cap->bfee_sts_gt_80);
pe_debug("\tNo. of sounding dim <= 80Mhz: 0x%03x",
he_cap->num_sounding_lt_80);
pe_debug("\tNo. of sounding dim > 80Mhz: 0x%03x",
he_cap->num_sounding_gt_80);
pe_debug("\tNg=16 for SU feedback support: 0x%01x",
he_cap->su_feedback_tone16);
pe_debug("\tNg=16 for MU feedback support: 0x%01x",
he_cap->mu_feedback_tone16);
pe_debug("\tCodebook size for SU: 0x%01x",
he_cap->codebook_su);
pe_debug("\tCodebook size for MU: 0x%01x ",
he_cap->codebook_mu);
pe_debug("\tBeamforming trigger w/ Trigger: 0x%01x",
he_cap->beamforming_feedback);
pe_debug("\tHE ER SU PPDU payload: 0x%01x",
he_cap->he_er_su_ppdu);
pe_debug("\tDL MUMIMO on partial BW: 0x%01x",
he_cap->dl_mu_mimo_part_bw);
pe_debug("\tPPET present: 0x%01x", he_cap->ppet_present);
pe_debug("\tSRP based SR-support: 0x%01x", he_cap->srp);
pe_debug("\tPower boost factor: 0x%01x", he_cap->power_boost);
pe_debug("\t4x HE LTF support: 0x%01x", he_cap->he_ltf_800_gi_4x);
pe_debug("\tSTBC Tx support (> 80MHz): 0x%01x",
he_cap->tx_stbc_gt_80mhz);
pe_debug("\tSTBC Rx support (> 80MHz): 0x%01x",
he_cap->rx_stbc_gt_80mhz);
pe_debug("\tMax Nc: 0x%03x", he_cap->max_nc);
pe_debug("\tER 4x HE LTF support: 0x%01x", he_cap->er_he_ltf_800_gi_4x);
pe_debug("\tER 4x HE LTF support: 0x%01x",
he_cap->he_ppdu_20_in_40Mhz_2G);
pe_debug("\tER 4x HE LTF support: 0x%01x",
he_cap->he_ppdu_20_in_160_80p80Mhz);
pe_debug("\tER 4x HE LTF support: 0x%01x",
he_cap->he_ppdu_80_in_160_80p80Mhz);
pe_debug("\tER 4x HE LTF support: 0x%01x",
he_cap->er_1x_he_ltf_gi);
pe_debug("\tER 4x HE LTF support: 0x%01x",
he_cap->midamble_rx_1x_he_ltf);
pe_debug("\tRx MCS map for <= 80 Mhz: 0x%04x",
he_cap->rx_he_mcs_map_lt_80);
pe_debug("\tTx MCS map for <= 80 Mhz: 0x%04x",
he_cap->tx_he_mcs_map_lt_80);
pe_debug("\tRx MCS map for <= 160 Mhz: 0x%04x",
*((uint16_t *)he_cap->rx_he_mcs_map_160));
pe_debug("\tTx MCS map for <= 160 Mhz: 0x%04x",
*((uint16_t *)he_cap->tx_he_mcs_map_160));
pe_debug("\tRx MCS map for <= 80+80 Mhz: 0x%04x",
*((uint16_t *)he_cap->rx_he_mcs_map_80_80));
pe_debug("\tTx MCS map for <= 80+80 Mhz: 0x%04x",
*((uint16_t *)he_cap->tx_he_mcs_map_80_80));
hdr = (struct ppet_hdr *)&he_cap->ppet;
pe_debug("\t ppe_th:: nss_count: %d, ru_idx_msk: %d",
hdr->nss, hdr->ru_idx_mask);
QDF_TRACE_HEX_DUMP(QDF_MODULE_ID_PE, QDF_TRACE_LEVEL_DEBUG,
&he_cap->ppet, HE_MAX_PPET_SIZE);
}
void lim_log_he_op(tpAniSirGlobal mac, tDot11fIEhe_op *he_ops)
{
pe_debug("bss_color: %0x, default_pe_duration: %0x, twt_required: %0x, rts_threshold: %0x, vht_oper_present: %0x",
he_ops->bss_color, he_ops->default_pe,
he_ops->twt_required, he_ops->rts_threshold,
he_ops->vht_oper_present);
pe_debug("\tpartial_bss_color: %0x, MBSSID AP: %0x, Tx BSSID Indicator: %0x, BSS color disabled: %0x",
he_ops->partial_bss_col, he_ops->mbssid_ap,
he_ops->tx_bssid_ind, he_ops->bss_col_disabled);
pe_debug("he basic mcs nss: 0x%04x",
*((uint16_t *)he_ops->basic_mcs_nss));
if (he_ops->vht_oper_present)
pe_debug("VHT Info not present in HE Operation");
else
pe_debug("VHT Info: chan_width: %d, center_freq0: %d, center_freq1: %d",
he_ops->vht_oper.info.chan_width,
he_ops->vht_oper.info.center_freq_seg0,
he_ops->vht_oper.info.center_freq_seg1);
}
#ifdef WLAN_FEATURE_11AX_BSS_COLOR
void lim_log_he_bss_color(tpAniSirGlobal mac,
tDot11fIEbss_color_change *he_bss_color)
{
pe_debug("countdown: %d, new_color: %d",
he_bss_color->countdown, he_bss_color->new_color);
}
#endif
void lim_update_sta_he_capable(tpAniSirGlobal mac,
tpAddStaParams add_sta_params, tpDphHashNode sta_ds,
tpPESession session_entry)
{
if (LIM_IS_AP_ROLE(session_entry) || LIM_IS_IBSS_ROLE(session_entry))
add_sta_params->he_capable = sta_ds->mlmStaContext.he_capable;
else
add_sta_params->he_capable = session_entry->he_capable;
pe_debug("he_capable: %d", add_sta_params->he_capable);
}
void lim_update_bss_he_capable(tpAniSirGlobal mac, tpAddBssParams add_bss)
{
add_bss->he_capable = true;
pe_debug("he_capable: %d", add_bss->he_capable);
}
void lim_update_stads_he_capable(tpDphHashNode sta_ds, tpSirAssocReq assoc_req)
{
sta_ds->mlmStaContext.he_capable = assoc_req->he_cap.present;
}
void lim_update_session_he_capable(tpAniSirGlobal mac, tpPESession session)
{
session->he_capable = true;
pe_debug("he_capable: %d", session->he_capable);
}
void lim_update_chan_he_capable(tpAniSirGlobal mac, tpSwitchChannelParams chan)
{
chan->he_capable = true;
pe_debug("he_capable: %d", chan->he_capable);
}
void lim_set_he_caps(tpAniSirGlobal mac, tpPESession session, uint8_t *ie_start,
uint32_t num_bytes)
{
const uint8_t *ie = NULL;
tDot11fIEhe_cap dot11_cap;
struct he_capability_info *he_cap;
populate_dot11f_he_caps(mac, session, &dot11_cap);
lim_log_he_cap(mac, &dot11_cap);
ie = wlan_get_ext_ie_ptr_from_ext_id(HE_CAP_OUI_TYPE,
HE_CAP_OUI_SIZE, ie_start, num_bytes);
if (ie) {
/* convert from unpacked to packed structure */
he_cap = (struct he_capability_info *) &ie[2 + HE_CAP_OUI_SIZE];
he_cap->htc_he = dot11_cap.htc_he;
he_cap->twt_request = dot11_cap.twt_request;
he_cap->twt_responder = dot11_cap.twt_responder;
he_cap->fragmentation = dot11_cap.fragmentation;
he_cap->max_num_frag_msdu = dot11_cap.max_num_frag_msdu;
he_cap->min_frag_size = dot11_cap.min_frag_size;
he_cap->trigger_frm_mac_pad = dot11_cap.trigger_frm_mac_pad;
he_cap->multi_tid_aggr = dot11_cap.multi_tid_aggr;
he_cap->he_link_adaptation = dot11_cap.he_link_adaptation;
he_cap->all_ack = dot11_cap.all_ack;
he_cap->ul_mu_rsp_sched = dot11_cap.ul_mu_rsp_sched;
he_cap->a_bsr = dot11_cap.a_bsr;
he_cap->broadcast_twt = dot11_cap.broadcast_twt;
he_cap->ba_32bit_bitmap = dot11_cap.ba_32bit_bitmap;
he_cap->mu_cascade = dot11_cap.mu_cascade;
he_cap->ack_enabled_multitid = dot11_cap.ack_enabled_multitid;
he_cap->dl_mu_ba = dot11_cap.dl_mu_ba;
he_cap->omi_a_ctrl = dot11_cap.omi_a_ctrl;
he_cap->ofdma_ra = dot11_cap.ofdma_ra;
he_cap->max_ampdu_len = dot11_cap.max_ampdu_len;
he_cap->amsdu_frag = dot11_cap.amsdu_frag;
he_cap->flex_twt_sched = dot11_cap.flex_twt_sched;
he_cap->rx_ctrl_frame = dot11_cap.rx_ctrl_frame;
he_cap->bsrp_ampdu_aggr = dot11_cap.bsrp_ampdu_aggr;
he_cap->qtp = dot11_cap.qtp;
he_cap->a_bqr = dot11_cap.a_bqr;
he_cap->sr_responder = dot11_cap.sr_responder;
he_cap->ops_supp = dot11_cap.ops_supp;
he_cap->ndp_feedback_supp = dot11_cap.ndp_feedback_supp;
he_cap->amsdu_in_ampdu = dot11_cap.amsdu_in_ampdu;
he_cap->reserved1 = dot11_cap.reserved1;
he_cap->dual_band = dot11_cap.dual_band;
he_cap->chan_width = HE_CH_WIDTH_COMBINE(dot11_cap.chan_width_0,
dot11_cap.chan_width_1, dot11_cap.chan_width_2,
dot11_cap.chan_width_3, dot11_cap.chan_width_4,
dot11_cap.chan_width_5, dot11_cap.chan_width_6);
he_cap->rx_pream_puncturing = dot11_cap.rx_pream_puncturing;
he_cap->device_class = dot11_cap.device_class;
he_cap->ldpc_coding = dot11_cap.ldpc_coding;
he_cap->he_1x_ltf_800_gi_ppdu = dot11_cap.he_1x_ltf_800_gi_ppdu;
he_cap->midamble_rx_max_nsts = dot11_cap.midamble_rx_max_nsts;
he_cap->he_4x_ltf_3200_gi_ndp = dot11_cap.he_4x_ltf_3200_gi_ndp;
he_cap->tx_stbc_lt_80mhz = dot11_cap.tx_stbc_lt_80mhz;
he_cap->rx_stbc_lt_80mhz = dot11_cap.rx_stbc_lt_80mhz;
he_cap->tx_stbc_gt_80mhz = dot11_cap.tx_stbc_gt_80mhz;
he_cap->rx_stbc_gt_80mhz = dot11_cap.rx_stbc_gt_80mhz;
he_cap->doppler = dot11_cap.doppler;
he_cap->ul_mu = dot11_cap.ul_mu;
he_cap->dcm_enc_tx = dot11_cap.dcm_enc_tx;
he_cap->dcm_enc_rx = dot11_cap.dcm_enc_rx;
he_cap->ul_he_mu = dot11_cap.ul_he_mu;
he_cap->su_beamformer = dot11_cap.su_beamformer;
he_cap->su_beamformee = dot11_cap.su_beamformee;
he_cap->mu_beamformer = dot11_cap.mu_beamformer;
he_cap->bfee_sts_lt_80 = dot11_cap.bfee_sts_lt_80;
he_cap->bfee_sts_gt_80 = dot11_cap.bfee_sts_gt_80;
he_cap->num_sounding_lt_80 = dot11_cap.num_sounding_lt_80;
he_cap->num_sounding_gt_80 = dot11_cap.num_sounding_gt_80;
he_cap->su_feedback_tone16 = dot11_cap.su_feedback_tone16;
he_cap->mu_feedback_tone16 = dot11_cap.mu_feedback_tone16;
he_cap->codebook_su = dot11_cap.codebook_su;
he_cap->codebook_mu = dot11_cap.codebook_mu;
he_cap->beamforming_feedback = dot11_cap.beamforming_feedback;
he_cap->he_er_su_ppdu = dot11_cap.he_er_su_ppdu;
he_cap->dl_mu_mimo_part_bw = dot11_cap.dl_mu_mimo_part_bw;
he_cap->ppet_present = dot11_cap.ppet_present;
he_cap->srp = dot11_cap.srp;
he_cap->power_boost = dot11_cap.power_boost;
he_cap->he_ltf_800_gi_4x = dot11_cap.he_ltf_800_gi_4x;
he_cap->max_nc = dot11_cap.max_nc;
he_cap->er_he_ltf_800_gi_4x = dot11_cap.er_he_ltf_800_gi_4x;
he_cap->he_ppdu_20_in_40Mhz_2G =
dot11_cap.he_ppdu_20_in_40Mhz_2G;
he_cap->he_ppdu_20_in_160_80p80Mhz =
dot11_cap.he_ppdu_20_in_160_80p80Mhz;
he_cap->he_ppdu_80_in_160_80p80Mhz =
dot11_cap.he_ppdu_80_in_160_80p80Mhz;
he_cap->er_1x_he_ltf_gi =
dot11_cap.er_1x_he_ltf_gi;
he_cap->midamble_rx_1x_he_ltf =
dot11_cap.midamble_rx_1x_he_ltf;
he_cap->reserved2 = dot11_cap.reserved2;
he_cap->rx_he_mcs_map_lt_80 = dot11_cap.rx_he_mcs_map_lt_80;
he_cap->tx_he_mcs_map_lt_80 = dot11_cap.tx_he_mcs_map_lt_80;
he_cap->rx_he_mcs_map_160 =
*((uint16_t *)dot11_cap.rx_he_mcs_map_160);
he_cap->tx_he_mcs_map_160 =
*((uint16_t *)dot11_cap.tx_he_mcs_map_160);
he_cap->rx_he_mcs_map_80_80 =
*((uint16_t *)dot11_cap.rx_he_mcs_map_80_80);
he_cap->tx_he_mcs_map_80_80 =
*((uint16_t *)dot11_cap.tx_he_mcs_map_80_80);
}
}
QDF_STATUS lim_send_he_caps_ie(tpAniSirGlobal mac_ctx, tpPESession session,
uint8_t vdev_id)
{
uint8_t he_caps[SIR_MAC_HE_CAP_MIN_LEN + 3];
struct he_capability_info *he_cap;
QDF_STATUS status_5g, status_2g;
/* Sending only minimal info(no PPET) to FW now, update if required */
qdf_mem_zero(he_caps, SIR_MAC_HE_CAP_MIN_LEN + 3);
he_caps[0] = DOT11F_EID_HE_CAP;
he_caps[1] = SIR_MAC_HE_CAP_MIN_LEN;
qdf_mem_copy(&he_caps[2], HE_CAP_OUI_TYPE, HE_CAP_OUI_SIZE);
lim_set_he_caps(mac_ctx, session, he_caps,
SIR_MAC_HE_CAP_MIN_LEN + 3);
he_cap = (struct he_capability_info *) (&he_caps[2 + HE_CAP_OUI_SIZE]);
he_cap->ppet_present = 0;
status_5g = lim_send_ie(mac_ctx, vdev_id, DOT11F_EID_HE_CAP,
CDS_BAND_5GHZ, &he_caps[2],
SIR_MAC_HE_CAP_MIN_LEN + 1);
if (QDF_IS_STATUS_ERROR(status_5g))
pe_err("Unable send HE Cap IE for 5GHZ band, status: %d",
status_5g);
status_2g = lim_send_ie(mac_ctx, vdev_id, DOT11F_EID_HE_CAP,
CDS_BAND_2GHZ, &he_caps[2],
SIR_MAC_HE_CAP_MIN_LEN + 1);
if (QDF_IS_STATUS_ERROR(status_2g))
pe_err("Unable send HE Cap IE for 2GHZ band, status: %d",
status_2g);
if (QDF_IS_STATUS_SUCCESS(status_2g) &&
QDF_IS_STATUS_SUCCESS(status_5g))
return QDF_STATUS_SUCCESS;
return QDF_STATUS_E_FAILURE;
}
/**
* lim_populate_he_mcs_per_bw() - pouldate HE mcs set per BW (le 80, 160, 80+80)
* @mac_ctx: Global MAC context
* @self_rx: self rx mcs set
* @self_tx: self tx mcs set
* @peer_rx: peer rx mcs set
* @peer_tx: peer tx mcs set
* @nss: nss
* @cfg_rx_param: rx wni param to read
* @cfg_tx_param: tx wni param to read
*
* MCS values are interpreted as in IEEE 11ax-D1.4 spec onwards
* +-----------------------------------------------------+
* | SS8 | SS7 | SS6 | SS5 | SS4 | SS3 | SS2 | SS1 |
* +-----------------------------------------------------+
* | 15-14 | 13-12 | 11-10 | 9-8 | 7-6 | 5-4 | 3-2 | 1-0 |
* +-----------------------------------------------------+
*
* Return: status of operation
*/
static QDF_STATUS lim_populate_he_mcs_per_bw(tpAniSirGlobal mac_ctx,
uint16_t *self_rx, uint16_t *self_tx,
uint16_t peer_rx, uint16_t peer_tx, uint8_t nss,
uint32_t cfg_rx_param, uint32_t cfg_tx_param)
{
uint32_t val;
pe_debug("peer rates: rx_mcs - 0x%04x tx_mcs - 0x%04x",
peer_rx, peer_tx);
if (wlan_cfg_get_int(mac_ctx, cfg_rx_param, &val) != QDF_STATUS_SUCCESS) {
pe_err("could not retrieve HE_MCS");
return QDF_STATUS_E_FAILURE;
}
*self_rx = (uint16_t) val;
if (wlan_cfg_get_int(mac_ctx, cfg_tx_param, &val) != QDF_STATUS_SUCCESS) {
pe_err("could not retrieve HE_MCS");
return QDF_STATUS_E_FAILURE;
}
*self_tx = (uint16_t) val;
*self_rx = HE_INTERSECT_MCS(*self_rx, peer_tx);
*self_tx = HE_INTERSECT_MCS(*self_tx, peer_rx);
if (nss == NSS_1x1_MODE) {
*self_rx |= HE_MCS_INV_MSK_4_NSS(1);
*self_tx |= HE_MCS_INV_MSK_4_NSS(1);
}
/* if nss is 2, disable higher NSS */
if (nss == NSS_2x2_MODE) {
*self_rx |= (HE_MCS_INV_MSK_4_NSS(1) & HE_MCS_INV_MSK_4_NSS(2));
*self_tx |= (HE_MCS_INV_MSK_4_NSS(1) & HE_MCS_INV_MSK_4_NSS(2));
}
return QDF_STATUS_SUCCESS;
}
QDF_STATUS lim_populate_he_mcs_set(tpAniSirGlobal mac_ctx,
tpSirSupportedRates rates,
tDot11fIEhe_cap *peer_he_caps,
tpPESession session_entry, uint8_t nss)
{
bool support_2x2 = false;
uint32_t self_sta_dot11mode = 0;
wlan_cfg_get_int(mac_ctx, WNI_CFG_DOT11_MODE, &self_sta_dot11mode);
if (!IS_DOT11_MODE_HE(self_sta_dot11mode))
return QDF_STATUS_SUCCESS;
if ((peer_he_caps == NULL) || (!peer_he_caps->present)) {
pe_debug("peer not he capable or he_caps NULL");
return QDF_STATUS_SUCCESS;
}
pe_debug("peer rates lt 80: rx_mcs - 0x%04x tx_mcs - 0x%04x",
peer_he_caps->rx_he_mcs_map_lt_80,
peer_he_caps->tx_he_mcs_map_lt_80);
pe_debug("peer rates 160: rx_mcs - 0x%04x tx_mcs - 0x%04x",
(*(uint16_t *)peer_he_caps->rx_he_mcs_map_160),
(*(uint16_t *)peer_he_caps->tx_he_mcs_map_160));
pe_debug("peer rates 80+80: rx_mcs - 0x%04x tx_mcs - 0x%04x",
(*(uint16_t *)peer_he_caps->rx_he_mcs_map_80_80),
(*(uint16_t *)peer_he_caps->tx_he_mcs_map_80_80));
if (session_entry && session_entry->nss == NSS_2x2_MODE) {
if (mac_ctx->lteCoexAntShare &&
IS_24G_CH(session_entry->currentOperChannel)) {
if (IS_2X2_CHAIN(session_entry->chainMask))
support_2x2 = true;
else
pe_err("2x2 not enabled %d",
session_entry->chainMask);
} else {
support_2x2 = true;
}
}
lim_populate_he_mcs_per_bw(mac_ctx,
&rates->rx_he_mcs_map_lt_80, &rates->tx_he_mcs_map_lt_80,
peer_he_caps->rx_he_mcs_map_lt_80,
peer_he_caps->tx_he_mcs_map_lt_80, nss,
WNI_CFG_HE_RX_MCS_MAP_LT_80, WNI_CFG_HE_TX_MCS_MAP_LT_80);
lim_populate_he_mcs_per_bw(mac_ctx,
&rates->rx_he_mcs_map_160, &rates->tx_he_mcs_map_160,
*((uint16_t *)peer_he_caps->rx_he_mcs_map_160),
*((uint16_t *)peer_he_caps->tx_he_mcs_map_160), nss,
WNI_CFG_HE_RX_MCS_MAP_160, WNI_CFG_HE_TX_MCS_MAP_160);
lim_populate_he_mcs_per_bw(mac_ctx,
&rates->rx_he_mcs_map_80_80, &rates->tx_he_mcs_map_80_80,
*((uint16_t *)peer_he_caps->rx_he_mcs_map_80_80),
*((uint16_t *)peer_he_caps->tx_he_mcs_map_80_80), nss,
WNI_CFG_HE_RX_MCS_MAP_80_80, WNI_CFG_HE_TX_MCS_MAP_80_80);
if (!support_2x2) {
/* disable 2 and higher NSS MCS sets */
rates->rx_he_mcs_map_lt_80 |= HE_MCS_INV_MSK_4_NSS(1);
rates->tx_he_mcs_map_lt_80 |= HE_MCS_INV_MSK_4_NSS(1);
rates->rx_he_mcs_map_160 |= HE_MCS_INV_MSK_4_NSS(1);
rates->tx_he_mcs_map_160 |= HE_MCS_INV_MSK_4_NSS(1);
rates->rx_he_mcs_map_80_80 |= HE_MCS_INV_MSK_4_NSS(1);
rates->tx_he_mcs_map_80_80 |= HE_MCS_INV_MSK_4_NSS(1);
}
pe_debug("enable2x2 - %d nss %d",
mac_ctx->roam.configParam.enable2x2, nss);
pe_debug("he_rx_lt_80 - 0x%x he_tx_lt_80 0x%x",
rates->rx_he_mcs_map_lt_80, rates->tx_he_mcs_map_lt_80);
pe_debug("he_rx_160 - 0x%x he_tx_160 0x%x",
rates->rx_he_mcs_map_160, rates->tx_he_mcs_map_160);
pe_debug("he_rx_80_80 - 0x%x he_tx_80_80 0x%x",
rates->rx_he_mcs_map_80_80, rates->tx_he_mcs_map_80_80);
return QDF_STATUS_SUCCESS;
}
#endif
/**
* lim_assoc_rej_get_remaining_delta() - Get remaining time delta for
* the rssi based disallowed list entry
* @node: rssi based disallowed list entry
*
* Return: remaining delta, can be -ve if time has already expired.
*/
static inline int
lim_assoc_rej_get_remaining_delta(struct sir_rssi_disallow_lst *node)
{
qdf_time_t cur_time;
uint32_t time_diff;
cur_time = qdf_do_div(qdf_get_monotonic_boottime(),
QDF_MC_TIMER_TO_MS_UNIT);
time_diff = cur_time - node->time_during_rejection;
return node->retry_delay - time_diff;
}
/**
* lim_assoc_rej_rem_entry_with_lowest_delta() - Remove the entry
* with lowest time delta
* @list: rssi based rejected BSSID list
*
* Return: QDF_STATUS
*/
static QDF_STATUS
lim_assoc_rej_rem_entry_with_lowest_delta(qdf_list_t *list)
{
struct sir_rssi_disallow_lst *oldest_node = NULL;
struct sir_rssi_disallow_lst *cur_node;
qdf_list_node_t *cur_list = NULL;
qdf_list_node_t *next_list = NULL;
qdf_list_peek_front(list, &cur_list);
while (cur_list) {
cur_node = qdf_container_of(cur_list,
struct sir_rssi_disallow_lst, node);
if (!oldest_node ||
(lim_assoc_rej_get_remaining_delta(oldest_node) >
lim_assoc_rej_get_remaining_delta(cur_node)))
oldest_node = cur_node;
qdf_list_peek_next(list, cur_list, &next_list);
cur_list = next_list;
next_list = NULL;
}
if (oldest_node) {
pe_debug("remove node %pM with lowest delta %d",
oldest_node->bssid.bytes,
lim_assoc_rej_get_remaining_delta(oldest_node));
qdf_list_remove_node(list, &oldest_node->node);
qdf_mem_free(oldest_node);
return QDF_STATUS_SUCCESS;
}
return QDF_STATUS_E_INVAL;
}
void lim_assoc_rej_add_to_rssi_based_reject_list(tpAniSirGlobal mac_ctx,
tDot11fTLVrssi_assoc_rej *rssi_assoc_rej,
tSirMacAddr bssid, int8_t rssi)
{
struct sir_rssi_disallow_lst *entry;
QDF_STATUS status = QDF_STATUS_SUCCESS;
entry = qdf_mem_malloc(sizeof(*entry));
if (!entry) {
pe_err("malloc failed for bssid entry");
return;
}
pe_debug("%pM: assoc resp rssi %d, delta rssi %d retry delay %d sec and list size %d",
bssid, rssi, rssi_assoc_rej->delta_rssi,
rssi_assoc_rej->retry_delay,
qdf_list_size(&mac_ctx->roam.rssi_disallow_bssid));
qdf_mem_copy(entry->bssid.bytes,
bssid, QDF_MAC_ADDR_SIZE);
entry->retry_delay = rssi_assoc_rej->retry_delay *
QDF_MC_TIMER_TO_MS_UNIT;
entry->expected_rssi = rssi + rssi_assoc_rej->delta_rssi;
entry->time_during_rejection =
qdf_do_div(qdf_get_monotonic_boottime(),
QDF_MC_TIMER_TO_MS_UNIT);
if (qdf_list_size(&mac_ctx->roam.rssi_disallow_bssid) >=
MAX_RSSI_AVOID_BSSID_LIST) {
status = lim_assoc_rej_rem_entry_with_lowest_delta(
&mac_ctx->roam.rssi_disallow_bssid);
if (QDF_IS_STATUS_ERROR(status))
pe_err("Failed to remove entry with lowest delta");
}
if (QDF_IS_STATUS_SUCCESS(status))
status = qdf_list_insert_back(
&mac_ctx->roam.rssi_disallow_bssid,
&entry->node);
if (QDF_IS_STATUS_ERROR(status)) {
pe_err("Failed to enqueue bssid entry");
qdf_mem_free(entry);
}
}
void lim_decrement_pending_mgmt_count(tpAniSirGlobal mac_ctx)
{
qdf_spin_lock(&mac_ctx->sys.bbt_mgmt_lock);
if (!mac_ctx->sys.sys_bbt_pending_mgmt_count) {
qdf_spin_unlock(&mac_ctx->sys.bbt_mgmt_lock);
return;
}
mac_ctx->sys.sys_bbt_pending_mgmt_count--;
qdf_spin_unlock(&mac_ctx->sys.bbt_mgmt_lock);
}
struct csr_roam_session *lim_get_session_by_macaddr(tpAniSirGlobal mac_ctx,
tSirMacAddr self_mac)
{
int i = 0;
struct csr_roam_session *session;
if (!mac_ctx || !self_mac) {
QDF_TRACE(QDF_MODULE_ID_PE, QDF_TRACE_LEVEL_ERROR,
FL("Invalid arguments"));
return NULL;
}
for (i = 0; i < mac_ctx->sme.max_intf_count; i++) {
session = CSR_GET_SESSION(mac_ctx, i);
if (!session)
continue;
else if (!qdf_mem_cmp(&session->selfMacAddr,
self_mac, sizeof(tSirMacAddr))) {
QDF_TRACE(QDF_MODULE_ID_PE, QDF_TRACE_LEVEL_INFO,
FL("session %d exists with mac address "
MAC_ADDRESS_STR), session->sessionId,
MAC_ADDR_ARRAY(self_mac));
return session;
}
}
return NULL;
}
bool lim_check_if_vendor_oui_match(tpAniSirGlobal mac_ctx,
uint8_t *oui, uint8_t oui_len,
uint8_t *ie, uint8_t ie_len)
{
uint8_t *ptr = ie;
uint8_t elem_id;
if (NULL == ie || 0 == ie_len) {
pe_err("IE Null or ie len zero %d", ie_len);
return false;
}
elem_id = *ie;
if (elem_id == IE_EID_VENDOR &&
!qdf_mem_cmp(&ptr[2], oui, oui_len))
return true;
else
return false;
}
QDF_STATUS lim_util_get_type_subtype(void *pkt, uint8_t *type,
uint8_t *subtype)
{
cds_pkt_t *cds_pkt;
QDF_STATUS status;
tpSirMacMgmtHdr hdr;
uint8_t *rxpktinfor;
cds_pkt = (cds_pkt_t *) pkt;
if (!cds_pkt) {
pe_err("NULL packet received");
return QDF_STATUS_E_FAILURE;
}
status =
wma_ds_peek_rx_packet_info(cds_pkt, (void *)&rxpktinfor, false);
if (!QDF_IS_STATUS_SUCCESS(status)) {
pe_err("Failed extract cds packet. status %d", status);
return QDF_STATUS_E_FAILURE;
}
hdr = WMA_GET_RX_MAC_HEADER(rxpktinfor);
if (hdr->fc.type == SIR_MAC_MGMT_FRAME) {
pe_debug("RxBd: %pK mHdr: %pK Type: %d Subtype: %d SizeFC: %zu",
rxpktinfor, hdr, hdr->fc.type, hdr->fc.subType,
sizeof(tSirMacFrameCtl));
*type = hdr->fc.type;
*subtype = hdr->fc.subType;
} else {
pe_err("Not a management packet type %d", hdr->fc.type);
return QDF_STATUS_E_INVAL;
}
return QDF_STATUS_SUCCESS;
}
enum rateid lim_get_min_session_txrate(tpPESession session)
{
enum rateid rid = RATEID_DEFAULT;
uint8_t min_rate = SIR_MAC_RATE_54, curr_rate, i;
tSirMacRateSet *rateset = &session->rateSet;
if (!session)
return rid;
for (i = 0; i < rateset->numRates; i++) {
/* Ignore MSB - set to indicate basic rate */
curr_rate = rateset->rate[i] & 0x7F;
min_rate = (curr_rate < min_rate) ? curr_rate : min_rate;
}
pe_debug("supported min_rate: %0x(%d)", min_rate, min_rate);
switch (min_rate) {
case SIR_MAC_RATE_1:
rid = RATEID_1MBPS;
break;
case SIR_MAC_RATE_2:
rid = RATEID_2MBPS;
break;
case SIR_MAC_RATE_5_5:
rid = RATEID_5_5MBPS;
break;
case SIR_MAC_RATE_11:
rid = RATEID_11MBPS;
break;
case SIR_MAC_RATE_6:
rid = RATEID_6MBPS;
break;
case SIR_MAC_RATE_9:
rid = RATEID_9MBPS;
break;
case SIR_MAC_RATE_12:
rid = RATEID_12MBPS;
break;
case SIR_MAC_RATE_18:
rid = RATEID_18MBPS;
break;
case SIR_MAC_RATE_24:
rid = RATEID_24MBPS;
break;
case SIR_MAC_RATE_36:
rid = RATEID_36MBPS;
break;
case SIR_MAC_RATE_48:
rid = RATEID_48MBPS;
break;
case SIR_MAC_RATE_54:
rid = RATEID_54MBPS;
break;
default:
rid = RATEID_DEFAULT;
break;
}
return rid;
}
void lim_convert_active_channel_to_passive_channel(tpAniSirGlobal mac_ctx)
{
uint64_t current_time;
uint64_t last_time = 0;
uint64_t time_diff;
uint8_t i;
current_time = (uint64_t)qdf_mc_timer_get_system_time();
for (i = 1; i < SIR_MAX_24G_5G_CHANNEL_RANGE; i++) {
if ((mac_ctx->lim.dfschannelList.timeStamp[i]) != 0) {
last_time = mac_ctx->lim.dfschannelList.timeStamp[i];
if (current_time >= last_time) {
time_diff = (current_time - last_time);
} else {
time_diff =
(0xFFFFFFFF - last_time) + current_time;
}
if (time_diff >= MAX_TIME_TO_BE_ACTIVE_CHANNEL) {
lim_covert_channel_scan_type(mac_ctx, i, false);
mac_ctx->lim.dfschannelList.timeStamp[i] = 0;
}
}
}
/*
* last_time is zero if there is no DFS active channels in the list.
* If this is non zero then we have active DFS channels so restart
* the timer.
*/
if (last_time != 0) {
if (tx_timer_activate
(&mac_ctx->lim.limTimers.gLimActiveToPassiveChannelTimer)
!= TX_SUCCESS) {
pe_err("Active to Passive Channel timer not activated");
}
}
return;
}
void lim_send_sme_mgmt_frame_ind(tpAniSirGlobal mac_ctx, uint8_t frame_type,
uint8_t *frame, uint32_t frame_len,
uint16_t session_id, uint32_t rx_channel,
tpPESession psession_entry, int8_t rx_rssi)
{
tpSirSmeMgmtFrameInd sme_mgmt_frame = NULL;
uint16_t length;
length = sizeof(tSirSmeMgmtFrameInd) + frame_len;
sme_mgmt_frame = qdf_mem_malloc(length);
if (!sme_mgmt_frame) {
pe_err("AllocateMemory failed for eWNI_SME_LISTEN_RSP");
return;
}
if (qdf_is_macaddr_broadcast(
(struct qdf_mac_addr *)(frame + 4)) &&
!session_id) {
pe_debug("Broadcast action frame");
session_id = SME_SESSION_ID_BROADCAST;
}
sme_mgmt_frame->frame_len = frame_len;
sme_mgmt_frame->sessionId = session_id;
sme_mgmt_frame->frameType = frame_type;
sme_mgmt_frame->rxRssi = rx_rssi;
sme_mgmt_frame->rxChan = rx_channel;
qdf_mem_zero(sme_mgmt_frame->frameBuf, frame_len);
qdf_mem_copy(sme_mgmt_frame->frameBuf, frame, frame_len);
if (mac_ctx->mgmt_frame_ind_cb)
mac_ctx->mgmt_frame_ind_cb(sme_mgmt_frame);
else
pe_debug_rl("Management indication callback not registered!!");
qdf_mem_free(sme_mgmt_frame);
return;
}
void
lim_send_dfs_chan_sw_ie_update(tpAniSirGlobal mac_ctx, tpPESession session)
{
/* Update the beacon template and send to FW */
if (sch_set_fixed_beacon_fields(mac_ctx, session) !=
QDF_STATUS_SUCCESS) {
pe_err("Unable to set CSA IE in beacon");
return;
}
/* Send update beacon template message */
lim_send_beacon_ind(mac_ctx, session);
pe_debug("Updated CSA IE, IE COUNT: %d",
session->gLimChannelSwitch.switchCount);
}
void lim_process_ap_ecsa_timeout(void *data)
{
tpPESession session = (tpPESession)data;
tpAniSirGlobal mac_ctx;
uint8_t bcn_int, ch, ch_width;
QDF_STATUS status;
if (!session) {
pe_err("Session is NULL");
return;
}
mac_ctx = (tpAniSirGlobal)session->mac_ctx;
if (!session->dfsIncludeChanSwIe) {
pe_debug("session->dfsIncludeChanSwIe not set");
return;
}
if (session->gLimChannelSwitch.switchCount) {
/* Decrement the beacon switch count */
session->gLimChannelSwitch.switchCount--;
pe_debug("current beacon count %d",
session->gLimChannelSwitch.switchCount);
}
/*
* Send only g_sap_chanswitch_beacon_cnt beacons with CSA IE Set in
* when a radar is detected
*/
if (session->gLimChannelSwitch.switchCount > 0) {
/* Send the next beacon with updated CSA IE count */
lim_send_dfs_chan_sw_ie_update(mac_ctx, session);
ch = session->gLimChannelSwitch.primaryChannel;
ch_width = session->gLimChannelSwitch.ch_width;
if (mac_ctx->sap.SapDfsInfo.dfs_beacon_tx_enhanced)
/* Send Action frame after updating beacon */
lim_send_chan_switch_action_frame(mac_ctx, ch, ch_width,
session);
/* Restart the timer */
if (session->beaconParams.beaconInterval)
bcn_int = session->beaconParams.beaconInterval;
else
bcn_int = WNI_CFG_BEACON_INTERVAL_STADEF;
status = qdf_mc_timer_start(&session->ap_ecsa_timer,
bcn_int);
if (QDF_IS_STATUS_ERROR(status)) {
pe_err("cannot start ap_ecsa_timer");
lim_process_ap_ecsa_timeout(session);
}
} else {
tSirSmeCSAIeTxCompleteRsp *chan_switch_tx_rsp;
struct scheduler_msg msg = {0};
uint8_t length = sizeof(*chan_switch_tx_rsp);
/* Done with CSA IE update, send response back to SME */
session->gLimChannelSwitch.switchCount = 0;
if (mac_ctx->sap.SapDfsInfo.disable_dfs_ch_switch == false)
session->gLimChannelSwitch.switchMode = 0;
session->dfsIncludeChanSwIe = false;
session->dfsIncludeChanWrapperIe = false;
chan_switch_tx_rsp = qdf_mem_malloc(length);
if (!chan_switch_tx_rsp) {
pe_err("AllocateMemory failed for tSirSmeCSAIeTxCompleteRsp");
return;
}
chan_switch_tx_rsp->sessionId = session->smeSessionId;
chan_switch_tx_rsp->chanSwIeTxStatus = QDF_STATUS_SUCCESS;
msg.type = eWNI_SME_DFS_CSAIE_TX_COMPLETE_IND;
msg.bodyptr = chan_switch_tx_rsp;
status = scheduler_post_msg(QDF_MODULE_ID_SME, &msg);
if (QDF_IS_STATUS_ERROR(status)) {
sme_err("Failed to post eWNI_SME_DFS_CSAIE_TX_COMPLETE_IND");
qdf_mem_free(chan_switch_tx_rsp);
}
}
}