| /* |
| * Copyright (c) 2011-2016 The Linux Foundation. All rights reserved. |
| * |
| * Previously licensed under the ISC license by Qualcomm Atheros, Inc. |
| * |
| * |
| * 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 was originally distributed by Qualcomm Atheros, Inc. |
| * under proprietary terms before Copyright ownership was assigned |
| * to the Linux Foundation. |
| */ |
| |
| /* |
| * 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" |
| |
| #ifdef WLAN_FEATURE_11W |
| #include "wni_cfg.h" |
| #endif |
| #define ASCII_SPACE_CHARACTER 0x20 |
| |
| /** ------------------------------------------------------------- |
| \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) |
| { |
| lim_log(pMac, logLevel, 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_WT_REASSOC_LINK_FAIL_STATE: |
| return "eLIM_SME_WT_REASSOC_LINK_FAIL_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) |
| { |
| lim_log(pMac, logLevel, 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_SCAN_REQ: |
| return "eWNI_SME_SCAN_REQ"; |
| case eWNI_SME_SCAN_RSP: |
| return "eWNI_SME_SCAN_RSP"; |
| 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_NEIGHBOR_BSS_IND: |
| return "eWNI_SME_NEIGHBOR_BSS_IND"; |
| 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 WNI_CFG_SET_REQ: |
| return "WNI_CFG_SET_REQ"; |
| case WNI_CFG_SET_REQ_NO_RSP: |
| return "WNI_CFG_SET_REQ_NO_RSP"; |
| 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"; |
| case eWNI_SME_SET_BCN_FILTER_REQ: |
| return "eWNI_SME_SET_BCN_FILTER_REQ"; |
| #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_LOGP_EXCEPTION: |
| return "eSIR_LOGP_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) |
| { |
| lim_log(pMac, logLevel, 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 |
| */ |
| tSirRetStatus 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) { |
| lim_log(pMac, LOGP, FL("lim_create_timers Failed")); |
| return eSIR_SUCCESS; |
| } |
| |
| pMac->lim.gLimTimersCreated = 1; |
| return eSIR_SUCCESS; |
| } /*** end lim_init_mlm() ***/ |
| |
| /** |
| * lim_deactivate_del_sta() - This function deactivate/delete associates STA |
| * @mac_ctx: pointer to Global Mac Structure |
| * @bss_entry: index for bss_entry |
| * @psession_entry: pointer to session entry |
| * @sta_ds: pointer to tpDphHashNode |
| * |
| * Function deactivate/delete associates STA |
| * |
| * Return: none |
| */ |
| static void lim_deactivate_del_sta(tpAniSirGlobal mac_ctx, uint32_t bss_entry, |
| tpPESession psession_entry, tpDphHashNode sta_ds) |
| { |
| uint32_t sta_entry; |
| |
| for (sta_entry = 1; sta_entry < mac_ctx->lim.gLimAssocStaLimit; |
| sta_entry++) { |
| psession_entry = &mac_ctx->lim.gpSession[bss_entry]; |
| sta_ds = dph_get_hash_entry(mac_ctx, sta_entry, |
| &psession_entry->dph.dphHashTable); |
| if (NULL == sta_ds) |
| continue; |
| |
| QDF_TRACE(QDF_MODULE_ID_PE, QDF_TRACE_LEVEL_ERROR, |
| FL("Deleting pmfSaQueryTimer for staid[%d]"), |
| sta_ds->staIndex); |
| tx_timer_deactivate(&sta_ds->pmfSaQueryTimer); |
| tx_timer_delete(&sta_ds->pmfSaQueryTimer); |
| } |
| } |
| |
| /** |
| * 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; |
| #ifdef WLAN_FEATURE_11W |
| uint32_t bss_entry; |
| tpDphHashNode sta_ds = NULL; |
| tpPESession psession_entry = NULL; |
| #endif |
| tLimTimers *lim_timer = NULL; |
| |
| if (mac_ctx->lim.gLimTimersCreated == 1) { |
| lim_timer = &mac_ctx->lim.limTimers; |
| |
| lim_delete_timers_host_roam(mac_ctx); |
| /* Deactivate and delete Periodic Probe channel timers. */ |
| tx_timer_deactivate(&lim_timer->gLimPeriodicProbeReqTimer); |
| tx_timer_delete(&lim_timer->gLimPeriodicProbeReqTimer); |
| |
| /* Deactivate and delete channel switch timer. */ |
| tx_timer_deactivate(&lim_timer->gLimChannelSwitchTimer); |
| tx_timer_delete(&lim_timer->gLimChannelSwitchTimer); |
| |
| /* Deactivate and delete addts response timer. */ |
| tx_timer_deactivate(&lim_timer->gLimAddtsRspTimer); |
| tx_timer_delete(&lim_timer->gLimAddtsRspTimer); |
| |
| /* Deactivate and delete Join failure timer. */ |
| tx_timer_deactivate(&lim_timer->gLimJoinFailureTimer); |
| tx_timer_delete(&lim_timer->gLimJoinFailureTimer); |
| |
| /* Deactivate and delete Periodic Join Probe Request timer. */ |
| tx_timer_deactivate(&lim_timer->gLimPeriodicJoinProbeReqTimer); |
| tx_timer_delete(&lim_timer->gLimPeriodicJoinProbeReqTimer); |
| |
| /* Deactivate and delete Auth Retry timer. */ |
| tx_timer_deactivate |
| (&lim_timer->g_lim_periodic_auth_retry_timer); |
| tx_timer_delete(&lim_timer->g_lim_periodic_auth_retry_timer); |
| |
| /* Deactivate and delete Association failure timer. */ |
| tx_timer_deactivate(&lim_timer->gLimAssocFailureTimer); |
| tx_timer_delete(&lim_timer->gLimAssocFailureTimer); |
| |
| /* Deactivate and delete Authentication failure timer. */ |
| tx_timer_deactivate(&lim_timer->gLimAuthFailureTimer); |
| tx_timer_delete(&lim_timer->gLimAuthFailureTimer); |
| |
| /* Deactivate and delete wait-for-probe-after-Heartbeat timer. */ |
| tx_timer_deactivate(&lim_timer->gLimProbeAfterHBTimer); |
| tx_timer_delete(&lim_timer->gLimProbeAfterHBTimer); |
| |
| /* Deactivate and delete Quiet timer. */ |
| tx_timer_deactivate(&lim_timer->gLimQuietTimer); |
| tx_timer_delete(&lim_timer->gLimQuietTimer); |
| |
| /* Deactivate and delete Quiet BSS timer. */ |
| tx_timer_deactivate(&lim_timer->gLimQuietBssTimer); |
| tx_timer_delete(&lim_timer->gLimQuietBssTimer); |
| |
| /* Deactivate and delete cnf wait timer */ |
| for (n = 0; n < (mac_ctx->lim.maxStation + 1); n++) { |
| tx_timer_deactivate(&lim_timer->gpLimCnfWaitTimer[n]); |
| tx_timer_delete(&lim_timer->gpLimCnfWaitTimer[n]); |
| } |
| |
| pAuthNode = mac_ctx->lim.gLimPreAuthTimerTable.pTable; |
| |
| /* Deactivate any Authentication response timers */ |
| lim_delete_pre_auth_list(mac_ctx); |
| |
| /* 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); |
| |
| /* Deactivate and delete Hash Miss throttle timer */ |
| tx_timer_deactivate(&lim_timer-> |
| gLimSendDisassocFrameThresholdTimer); |
| tx_timer_delete(&lim_timer-> |
| gLimSendDisassocFrameThresholdTimer); |
| |
| tx_timer_deactivate(&lim_timer->gLimUpdateOlbcCacheTimer); |
| tx_timer_delete(&lim_timer->gLimUpdateOlbcCacheTimer); |
| tx_timer_deactivate(&lim_timer->gLimPreAuthClnupTimer); |
| tx_timer_delete(&lim_timer->gLimPreAuthClnupTimer); |
| |
| /* Deactivate and delete remain on channel timer */ |
| tx_timer_deactivate(&lim_timer->gLimRemainOnChannelTimer); |
| tx_timer_delete(&lim_timer->gLimRemainOnChannelTimer); |
| |
| |
| tx_timer_deactivate(&lim_timer->gLimDisassocAckTimer); |
| tx_timer_delete(&lim_timer->gLimDisassocAckTimer); |
| |
| tx_timer_deactivate(&lim_timer->gLimDeauthAckTimer); |
| tx_timer_delete(&lim_timer->gLimDeauthAckTimer); |
| |
| tx_timer_deactivate(&lim_timer-> |
| gLimP2pSingleShotNoaInsertTimer); |
| tx_timer_delete(&lim_timer-> |
| gLimP2pSingleShotNoaInsertTimer); |
| |
| tx_timer_deactivate(&lim_timer-> |
| gLimActiveToPassiveChannelTimer); |
| tx_timer_delete(&lim_timer-> |
| gLimActiveToPassiveChannelTimer); |
| |
| mac_ctx->lim.gLimTimersCreated = 0; |
| } |
| #ifdef WLAN_FEATURE_11W |
| /* |
| * When SSR is triggered, we need to loop through |
| * each STA associated per BSSId and deactivate/delete |
| * the pmfSaQueryTimer for it |
| */ |
| for (bss_entry = 0; bss_entry < mac_ctx->lim.maxBssId; |
| bss_entry++) { |
| if (!mac_ctx->lim.gpSession[bss_entry].valid) |
| continue; |
| lim_deactivate_del_sta(mac_ctx, bss_entry, |
| psession_entry, sta_ds); |
| } |
| #endif |
| |
| } /*** 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) |
| { |
| lim_log(pMac, logLevel, FL(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) |
| { |
| tSirMsgQ *read_msg; |
| |
| 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, tpSirMsgQ lim_msg) |
| { |
| lim_log(mac_ctx, LOG1, |
| FL("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)) { |
| lim_log(mac_ctx, LOGE, |
| FL("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) |
| lim_log(mac_ctx, LOGW, |
| FL("%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); |
| |
| /* |
| * 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 |
| */ |
| lim_log(mac_ctx, LOGW, |
| FL("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(tSirMsgQ)); |
| 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 |
| */ |
| |
| tSirMsgQ *lim_read_deferred_msg_q(tpAniSirGlobal pMac) |
| { |
| tSirMsgQ *msg; |
| |
| /* |
| ** 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; |
| |
| PELOG1(lim_log(pMac, LOG1, |
| FL |
| ("** DeQueue a deferred message (size %d read %d) - type 0x%x **"), |
| pMac->lim.gLimDeferredMsgQ.size, |
| pMac->lim.gLimDeferredMsgQ.read, msg->type); |
| ) |
| |
| PELOG1(lim_log |
| (pMac, LOG1, |
| FL |
| ("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; |
| } |
| |
| tSirRetStatus |
| lim_sys_process_mmh_msg_api(tpAniSirGlobal pMac, tSirMsgQ *pMsg, uint8_t qType) |
| { |
| /* FIXME */ |
| sys_process_mmh_msg(pMac, pMsg); |
| return eSIR_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) { |
| lim_log(mac_ctx, LOGE, FL(" Session not found")); |
| 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) { |
| lim_log(mac_ctx, LOG2, FL("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)) { |
| lim_log(mac_ctx, LOG1, |
| FL("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)) { |
| lim_log(mac_ctx, LOG1, |
| FL("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)) { |
| lim_log(mac_ctx, LOG1, |
| FL("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) |
| lim_log(mac_ctx, LOGE, FL("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 |
| -------------------------------------------------------------*/ |
| void |
| lim_update_prot_sta_params(tpAniSirGlobal pMac, |
| tSirMacAddr peerMacAddr, |
| tLimProtStaCacheType protStaCacheType, |
| tHalBitVal gfSupported, tHalBitVal lsigTxopSupported, |
| tpPESession psessionEntry) |
| { |
| uint32_t i; |
| |
| PELOG1(lim_log(pMac, LOG1, FL("A STA is associated:")); |
| lim_log(pMac, LOG1, FL("Addr : ")); |
| lim_print_mac_addr(pMac, peerMacAddr, LOG1); |
| ) |
| |
| for (i = 0; i < LIM_PROT_STA_CACHE_SIZE; i++) { |
| if (psessionEntry->protStaCache[i].active) { |
| PELOG1(lim_log(pMac, LOG1, FL("Addr: "));) |
| PELOG1(lim_print_mac_addr |
| (pMac, psessionEntry->protStaCache[i].addr, |
| LOG1); |
| ) |
| |
| if (!qdf_mem_cmp |
| (psessionEntry->protStaCache[i].addr, |
| peerMacAddr, sizeof(tSirMacAddr))) { |
| PELOG1(lim_log |
| (pMac, LOG1, |
| FL |
| ("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) { |
| PELOGE(lim_log(pMac, LOGE, FL("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++; |
| lim_log(pMac, LOG1, FL("11B, ")); |
| } else if (eLIM_PROT_STA_CACHE_TYPE_llG == protStaCacheType) { |
| psessionEntry->gLim11gParams.numSta++; |
| lim_log(pMac, LOG1, FL("11G, ")); |
| } else if (eLIM_PROT_STA_CACHE_TYPE_HT20 == protStaCacheType) { |
| psessionEntry->gLimHt20Params.numSta++; |
| lim_log(pMac, LOG1, FL("HT20, ")); |
| } |
| |
| if (!gfSupported) { |
| psessionEntry->gLimNonGfParams.numSta++; |
| lim_log(pMac, LOG1, FL("NonGf, ")); |
| } |
| if (!lsigTxopSupported) { |
| psessionEntry->gLimLsigTxopParams.numSta++; |
| lim_log(pMac, LOG1, FL("!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; |
| tSirRFBand rfBand = SIR_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) { |
| PELOG1(lim_log(pMac, LOG1, FL("pStaDs is NULL"));) |
| return; |
| } |
| lim_get_rf_band_new(pMac, &rfBand, psessionEntry); |
| /* if we are in 5 GHZ band */ |
| if (SIR_BAND_5_GHZ == 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 (SIR_BAND_2_4_GHZ == 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 */ |
| PELOG3(lim_log |
| (pMac, LOG3, |
| FL("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 */ |
| PELOG3(lim_log |
| (pMac, LOG3, |
| FL("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 */ |
| PELOG1(lim_log(pMac, LOG1, FL("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; |
| |
| lim_log(mac_ctx, LOG1, |
| FL("Short Preamble is not enabled in Assoc Req from ")); |
| |
| lim_print_mac_addr(mac_ctx, peer_mac_addr, LOG1); |
| |
| 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)) { |
| lim_log(mac_ctx, LOGE, |
| FL("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 { |
| lim_log(mac_ctx, LOGE, |
| FL("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 */ |
| lim_log(mac_ctx, LOG1, FL("Disabling short preamble")); |
| |
| if (lim_enable_short_preamble(mac_ctx, false, beaconparams, |
| psession_entry) != eSIR_SUCCESS) |
| lim_log(mac_ctx, LOGE, FL("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; |
| |
| lim_log(mac_ctx, LOG1, FL("Short Slot Time is not enabled in Assoc Req from ")); |
| lim_print_mac_addr(mac_ctx, peer_mac_addr, LOG1); |
| 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)) { |
| lim_log(mac_ctx, LOGE, |
| FL("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 { |
| lim_log(mac_ctx, LOGE, |
| FL("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; |
| lim_log(mac_ctx, LOG1, |
| FL("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; |
| lim_log(mac_ctx, LOG1, |
| FL("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) |
| { |
| tSirRFBand rfBand = SIR_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 (SIR_BAND_5_GHZ == 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 (SIR_BAND_2_4_GHZ == 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) |
| { |
| |
| tSirRFBand rfband = SIR_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 ((SIR_BAND_5_GHZ == 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 (SIR_BAND_2_4_GHZ == 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) { |
| lim_log(pMac, LOGE, |
| FL("Session Does not exist for given sessionID")); |
| return; |
| } |
| |
| if (!LIM_IS_STA_ROLE(psessionEntry)) { |
| lim_log(pMac, LOGW, |
| "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) { |
| lim_log(pMac, LOGW, |
| FL("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) != |
| eSIR_SUCCESS) { |
| lim_log(pMac, LOGP, |
| FL |
| ("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)) { |
| lim_log(pMac, LOGE, FL("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: |
| PELOGW(lim_log(pMac, LOGW, FL("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: |
| PELOGW(lim_log |
| (pMac, LOGW, FL("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: |
| PELOGE(lim_log(pMac, LOGE, FL("incorrect state "));) |
| if (lim_restore_pre_channel_switch_state(pMac, psessionEntry) != |
| eSIR_SUCCESS) { |
| lim_log(pMac, LOGP, |
| FL |
| ("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 (eSIR_SUCCESS != lim_start_channel_switch(mac_ctx, psession_entry)) |
| lim_log(mac_ctx, LOGW, FL("Could not start Channel Switch")); |
| |
| lim_log(mac_ctx, LOGW, |
| FL("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; |
| |
| PELOGW(lim_log |
| (pMac, LOGW, FL("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) != |
| eSIR_SUCCESS) { |
| PELOGE(lim_log(pMac, LOGE, FL("tx_timer_deactivate failed!"));) |
| } |
| |
| /* We need to restore pre-channelSwitch state on the STA */ |
| if (lim_restore_pre_channel_switch_state(pMac, psessionEntry) != |
| eSIR_SUCCESS) { |
| PELOGE(lim_log |
| (pMac, LOGE, |
| FL |
| ("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) { |
| PELOGE(lim_log |
| (pMac, LOGE, FL("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) { |
| PELOGE(lim_log |
| (pMac, LOGE, FL("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) { |
| lim_log(pMac, LOGE, |
| FL("Session Does not exist for given sessionID")); |
| return; |
| } |
| |
| PELOG1(lim_log |
| (pMac, LOG1, FL("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)) { |
| lim_log(pMac, LOGE, |
| FL |
| ("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)) { |
| lim_log(pMac, LOGE, |
| FL |
| ("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)) { |
| lim_log(pMac, LOGW, |
| FL |
| ("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); |
| |
| lim_log(pMac, LOG2, |
| FL("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) { |
| lim_log(mac_ctx, LOGP, |
| FL("Session Does not exist for given sessionID")); |
| return; |
| } |
| |
| lim_log(mac_ctx, LOG1, FL("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); |
| } |
| lim_log(mac_ctx, LOG2, FL("Quiet BSS: Resuming traffic...")); |
| break; |
| |
| case eLIM_QUIET_INIT: |
| case eLIM_QUIET_BEGIN: |
| case eLIM_QUIET_END: |
| lim_log(mac_ctx, LOG2, FL("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) { |
| lim_log(pMac, LOGP, |
| FL("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)) { |
| lim_log(pMac, LOGE, |
| FL |
| ("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)) { |
| lim_log(pMac, LOGE, |
| FL |
| ("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)) { |
| lim_log(pMac, LOGE, |
| FL |
| ("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) { |
| lim_log(pMac, LOGE, |
| FL |
| ("CountStaDel: ignoring Delete Req when AniPeer count is %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) |
| { |
| tSirMsgQ 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) != |
| eSIR_SUCCESS) { |
| lim_log(pMac, LOGP, |
| FL |
| ("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) { |
| lim_log(pMac, LOGP, |
| FL("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; |
| |
| lim_log(pMac, LOG1, |
| FL("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) |
| { |
| |
| PELOG3(lim_log |
| (pMac, LOG3, |
| FL("lim_switch_primary_channel: 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); |
| 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) |
| { |
| uint8_t subband = 0; |
| |
| /* 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); |
| |
| /* Store the new primary and secondary channel in session entries if different */ |
| if (psessionEntry->currentOperChannel != newChannel) { |
| lim_log(pMac, LOGW, |
| FL("switch old chnl %d --> new chnl %d "), |
| psessionEntry->currentOperChannel, newChannel); |
| psessionEntry->currentOperChannel = newChannel; |
| } |
| if (psessionEntry->htSecondaryChannelOffset != |
| psessionEntry->gLimChannelSwitch.sec_ch_offset) { |
| lim_log(pMac, LOGW, |
| FL("switch old sec chnl %d --> new sec chnl %d "), |
| psessionEntry->htSecondaryChannelOffset, subband); |
| 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_active_scan_allowed() |
| * |
| ***FUNCTION: |
| * Checks if active scans are permitted on the given channel |
| * |
| ***LOGIC: |
| * The config variable SCAN_CONTROL_LIST contains pairs of (channelNum, activeScanAllowed) |
| * Need to check if the channelNum matches, then depending on the corresponding |
| * scan flag, return true (for activeScanAllowed==1) or false (otherwise). |
| * |
| ***ASSUMPTIONS: |
| * |
| ***NOTE: |
| * |
| * @param pMac Pointer to Global MAC structure |
| * @param channelNum channel number |
| * @return None |
| */ |
| |
| uint8_t lim_active_scan_allowed(tpAniSirGlobal pMac, uint8_t channelNum) |
| { |
| uint32_t i; |
| uint8_t channelPair[WNI_CFG_SCAN_CONTROL_LIST_LEN]; |
| uint32_t len = WNI_CFG_SCAN_CONTROL_LIST_LEN; |
| if (wlan_cfg_get_str(pMac, WNI_CFG_SCAN_CONTROL_LIST, channelPair, &len) |
| != eSIR_SUCCESS) { |
| PELOGE(lim_log |
| (pMac, LOGE, FL("Unable to get scan control list")); |
| ) |
| return false; |
| } |
| |
| if (len > WNI_CFG_SCAN_CONTROL_LIST_LEN) { |
| lim_log(pMac, LOGE, FL("Invalid scan control list length:%d"), |
| len); |
| return false; |
| } |
| |
| for (i = 0; (i + 1) < len; i += 2) { |
| if (channelPair[i] == channelNum) |
| return ((channelPair[i + 1] == |
| eSIR_ACTIVE_SCAN) ? true : false); |
| } |
| return false; |
| } |
| |
| /** |
| * 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; |
| tSirMacHTCapabilityInfo macHTCapabilityInfo = { 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 (eSIR_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 (eSIR_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 (eSIR_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 */ |
| if (eSIR_SUCCESS != |
| wlan_cfg_get_int(pMac, |
| WNI_CFG_HT_CAP_INFO, |
| &cfgValue)) |
| cfgValue = 0; |
| ptr = (uint8_t *) &macHTCapabilityInfo; |
| /* 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) macHTCapabilityInfo.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) macHTCapabilityInfo.maximalAMSDUsize; |
| 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) ? |
| macHTCapabilityInfo.shortGI40MHz : 0; |
| break; |
| |
| case eHT_SHORT_GI_20MHZ: |
| retVal = (uint8_t) (psessionEntry->htConfig.ht_sgi20) ? |
| macHTCapabilityInfo.shortGI20MHz : 0; |
| break; |
| |
| case eHT_GREENFIELD: |
| retVal = (uint8_t) macHTCapabilityInfo.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 fucntion 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) { |
| mac_ctx->lim.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) { |
| lim_log(mac_ctx, LOGW, |
| FL(" => 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 fucntion 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)) { |
| lim_log(mac_ctx, LOGW, |
| FL("===> 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. */ |
| mac_ctx->lim.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 || |
| (mac_ctx->lim.gLimOverlap11aParams.protectionEnabled |
| || mac_ctx->lim.gLimOverlapHt20Params.protectionEnabled |
| || mac_ctx->lim.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 (mac_ctx->lim.gLimOverlap11aParams.protectionEnabled |
| || mac_ctx->lim.gLimOverlapHt20Params.protectionEnabled |
| || mac_ctx->lim.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 (!mac_ctx->lim.gLimOverlap11aParams.protectionEnabled && |
| !pe_session->gLim11aParams.protectionEnabled) { |
| lim_log(mac_ctx, LOGW, |
| FL("===> 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 |
| */ |
| tSirRetStatus |
| lim_update_11a_protection(tpAniSirGlobal mac_ctx, uint8_t enable, |
| uint8_t overlap, tpUpdateBeaconParams bcn_prms, |
| tpPESession session) |
| { |
| if (NULL == session) { |
| lim_log(mac_ctx, LOGW, FL("session is NULL")); |
| return eSIR_FAILURE; |
| } |
| /* overlapping protection configuration check. */ |
| if (!overlap) { |
| /* normal protection config check */ |
| if ((LIM_IS_AP_ROLE(session)) && |
| (!session->cfgProtection.fromlla)) { |
| /* protection disabled. */ |
| lim_log(mac_ctx, LOGW, |
| FL("protection from 11a is disabled")); |
| return eSIR_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 eSIR_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; |
| |
| lim_log(mac_ctx, LOG1, FL("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; |
| lim_log(mac_ctx, LOG1, FL("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) { |
| lim_log(mac_ctx, LOG1, FL("=> 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; |
| lim_log(mac_ctx, LOG1, FL("===> 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; |
| lim_log(mac_ctx, LOG1, |
| FL("===> 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; |
| lim_log(mac_ctx, LOG1, |
| FL("===> 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) { |
| lim_log(mac_ctx, LOG1, |
| FL("===> 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)) { |
| lim_log(mac_ctx, LOG1, FL("===> 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 - eSIR_SUCCESS - Success, Error number - Failure |
| */ |
| tSirRetStatus |
| 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. */ |
| lim_log(mac_ctx, LOG1, |
| FL("protection from 11b is disabled")); |
| return eSIR_SUCCESS; |
| } else if (!LIM_IS_AP_ROLE(session_entry)) { |
| if (!mac_ctx->lim.cfgProtection.fromllb) { |
| /* protection disabled. */ |
| lim_log(mac_ctx, LOG1, |
| FL("protection from 11b is disabled")); |
| return eSIR_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 eSIR_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 |
| -------------------------------------------------------------*/ |
| tSirRetStatus |
| lim_enable_ht_protection_from11g(tpAniSirGlobal pMac, uint8_t enable, |
| uint8_t overlap, |
| tpUpdateBeaconParams pBeaconParams, |
| tpPESession psessionEntry) |
| { |
| if (!psessionEntry->htCapability) |
| return eSIR_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. */ |
| PELOG3(lim_log |
| (pMac, LOG3, |
| FL("overlap protection from 11g is disabled")); |
| ); |
| return eSIR_SUCCESS; |
| } |
| } else { |
| /* normal protection config check */ |
| if (LIM_IS_AP_ROLE(psessionEntry) && |
| !psessionEntry->cfgProtection.fromllg) { |
| /* protection disabled. */ |
| PELOG3(lim_log |
| (pMac, LOG3, |
| FL("protection from 11g is disabled")); |
| ) |
| return eSIR_SUCCESS; |
| } else if (!LIM_IS_AP_ROLE(psessionEntry)) { |
| if (!pMac->lim.cfgProtection.fromllg) { |
| /* protection disabled. */ |
| PELOG3(lim_log |
| (pMac, LOG3, |
| FL("protection from 11g is disabled")); |
| ) |
| return eSIR_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) { |
| PELOG1(lim_log |
| (pMac, LOG1, |
| FL |
| ("===> Protection from 11G Disabled")); |
| ) |
| pBeaconParams->llgCoexist = |
| psessionEntry->beaconParams.llgCoexist = |
| false; |
| pBeaconParams->paramChangeBitmap |= |
| PARAM_llGCOEXIST_CHANGED; |
| } |
| } |
| /* for station role */ |
| else { |
| PELOG1(lim_log |
| (pMac, LOG1, |
| FL("===> Protection from 11G Disabled")); |
| ) |
| pBeaconParams->llgCoexist = |
| psessionEntry->beaconParams.llgCoexist = false; |
| pBeaconParams->paramChangeBitmap |= |
| PARAM_llGCOEXIST_CHANGED; |
| } |
| } |
| return eSIR_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 |
| -------------------------------------------------------------*/ |
| tSirRetStatus |
| lim_enable_ht_obss_protection(tpAniSirGlobal pMac, uint8_t enable, |
| uint8_t overlap, tpUpdateBeaconParams pBeaconParams, |
| tpPESession psessionEntry) |
| { |
| |
| if (!psessionEntry->htCapability) |
| return eSIR_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. */ |
| PELOG1(lim_log |
| (pMac, LOG1, |
| FL("protection from Obss is disabled")); |
| ) |
| return eSIR_SUCCESS; |
| } else if (!LIM_IS_AP_ROLE(psessionEntry)) { |
| if (!pMac->lim.cfgProtection.obss) { /* ToDo Update this field */ |
| /* protection disabled. */ |
| PELOG1(lim_log |
| (pMac, LOG1, |
| FL("protection from Obss is disabled")); |
| ) |
| return eSIR_SUCCESS; |
| } |
| } |
| } |
| |
| if (LIM_IS_AP_ROLE(psessionEntry)) { |
| if ((enable) |
| && (false == psessionEntry->beaconParams.gHTObssMode)) { |
| PELOG1(lim_log |
| (pMac, LOG1, FL("=>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)) { |
| PELOG1(lim_log |
| (pMac, LOG1, |
| FL("===> 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)) { |
| PELOG1(lim_log |
| (pMac, LOG1, FL("=>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)) { |
| |
| PELOG1(lim_log |
| (pMac, LOG1, |
| FL("===> obss Protection disabled")); |
| ) |
| psessionEntry->beaconParams.gHTObssMode = false; |
| pBeaconParams->paramChangeBitmap |= |
| PARAM_OBSS_MODE_CHANGED; |
| |
| } |
| } |
| return eSIR_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) { |
| lim_log(mac_ctx, LOG1, |
| FL("=> 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)) { |
| lim_log(mac_ctx, LOG1, |
| FL("===> 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 */ |
| lim_log(mac_ctx, LOG1, |
| FL("===> 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 |
| */ |
| tSirRetStatus 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 eSIR_SUCCESS; |
| |
| /* overlapping protection configuration check. */ |
| if (!overlap) { |
| /* normal protection config check */ |
| if ((LIM_IS_AP_ROLE(session_entry)) && |
| !session_entry->cfgProtection.ht20) { |
| /* protection disabled. */ |
| lim_log(mac_ctx, LOG3, |
| FL("protection from HT20 is disabled")); |
| return eSIR_SUCCESS; |
| } else if (!LIM_IS_AP_ROLE(session_entry)) { |
| if (!mac_ctx->lim.cfgProtection.ht20) { |
| /* protection disabled. */ |
| lim_log(mac_ctx, LOG3, |
| FL("protection from HT20 is disabled")); |
| return eSIR_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 eSIR_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 |
| -------------------------------------------------------------*/ |
| tSirRetStatus |
| lim_enable_ht_non_gf_protection(tpAniSirGlobal pMac, uint8_t enable, |
| uint8_t overlap, tpUpdateBeaconParams pBeaconParams, |
| tpPESession psessionEntry) |
| { |
| if (!psessionEntry->htCapability) |
| return eSIR_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. */ |
| PELOG3(lim_log |
| (pMac, LOG3, |
| FL("protection from NonGf is disabled")); |
| ) |
| return eSIR_SUCCESS; |
| } else if (!LIM_IS_AP_ROLE(psessionEntry)) { |
| /* normal protection config check */ |
| if (!pMac->lim.cfgProtection.nonGf) { |
| /* protection disabled. */ |
| PELOG3(lim_log |
| (pMac, LOG3, |
| FL |
| ("protection from NonGf is disabled")); |
| ) |
| return eSIR_SUCCESS; |
| } |
| } |
| } |
| if (LIM_IS_AP_ROLE(psessionEntry)) { |
| if ((enable) |
| && (false == psessionEntry->beaconParams.llnNonGFCoexist)) { |
| PELOG1(lim_log |
| (pMac, LOG1, |
| FL(" => 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)) { |
| PELOG1(lim_log |
| (pMac, LOG1, |
| FL("===> 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)) { |
| PELOG1(lim_log |
| (pMac, LOG1, |
| FL(" => 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)) { |
| PELOG1(lim_log |
| (pMac, LOG1, |
| FL("===> Protection from Non GF Disabled")); |
| ) |
| pBeaconParams->llnNonGFCoexist = |
| psessionEntry->beaconParams.llnNonGFCoexist = false; |
| pBeaconParams->paramChangeBitmap |= |
| PARAM_NON_GF_DEVICES_PRESENT_CHANGED; |
| } |
| } |
| |
| return eSIR_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 |
| -------------------------------------------------------------*/ |
| tSirRetStatus |
| lim_enable_ht_lsig_txop_protection(tpAniSirGlobal pMac, uint8_t enable, |
| uint8_t overlap, |
| tpUpdateBeaconParams pBeaconParams, |
| tpPESession psessionEntry) |
| { |
| if (!psessionEntry->htCapability) |
| return eSIR_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. */ |
| PELOG3(lim_log |
| (pMac, LOG3, |
| FL |
| (" protection from LsigTxop not supported is disabled")); |
| ) |
| return eSIR_SUCCESS; |
| } else if (!LIM_IS_AP_ROLE(psessionEntry)) { |
| /* normal protection config check */ |
| if (!pMac->lim.cfgProtection.lsigTxop) { |
| /* protection disabled. */ |
| PELOG3(lim_log |
| (pMac, LOG3, |
| FL |
| (" protection from LsigTxop not supported is disabled")); |
| ) |
| return eSIR_SUCCESS; |
| } |
| } |
| } |
| |
| if (LIM_IS_AP_ROLE(psessionEntry)) { |
| if ((enable) |
| && (false == |
| psessionEntry->beaconParams. |
| fLsigTXOPProtectionFullSupport)) { |
| PELOG1(lim_log |
| (pMac, LOG1, |
| FL(" => 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)) { |
| PELOG1(lim_log |
| (pMac, LOG1, |
| FL("===> 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)) { |
| PELOG1(lim_log |
| (pMac, LOG1, |
| FL(" => 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)) { |
| PELOG1(lim_log |
| (pMac, LOG1, |
| FL("===> Protection from LsigTxop Disabled")); |
| ) |
| pBeaconParams->fLsigTXOPProtectionFullSupport = |
| psessionEntry->beaconParams. |
| fLsigTXOPProtectionFullSupport = false; |
| pBeaconParams->paramChangeBitmap |= |
| PARAM_LSIG_TXOP_FULL_SUPPORT_CHANGED; |
| } |
| } |
| return eSIR_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 |
| -------------------------------------------------------------*/ |
| tSirRetStatus |
| lim_enable_ht_rifs_protection(tpAniSirGlobal pMac, uint8_t enable, |
| uint8_t overlap, tpUpdateBeaconParams pBeaconParams, |
| tpPESession psessionEntry) |
| { |
| if (!psessionEntry->htCapability) |
| return eSIR_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. */ |
| PELOG3(lim_log |
| (pMac, LOG3, |
| FL(" protection from Rifs is disabled")); |
| ) |
| return eSIR_SUCCESS; |
| } else if (!LIM_IS_AP_ROLE(psessionEntry)) { |
| /* normal protection config check */ |
| if (!pMac->lim.cfgProtection.rifs) { |
| /* protection disabled. */ |
| PELOG3(lim_log |
| (pMac, LOG3, |
| FL |
| (" protection from Rifs is disabled")); |
| ) |
| return eSIR_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)) { |
| PELOG1(lim_log |
| (pMac, LOG1, FL(" => 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)) { |
| PELOG1(lim_log |
| (pMac, LOG1, FL("===> 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)) { |
| PELOG1(lim_log |
| (pMac, LOG1, FL(" => 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)) { |
| PELOG1(lim_log |
| (pMac, LOG1, FL("===> Rifs Protection Enabled")); |
| ) |
| pBeaconParams->fRIFSMode = |
| psessionEntry->beaconParams.fRIFSMode = false; |
| pBeaconParams->paramChangeBitmap |= |
| PARAM_RIFS_MODE_CHANGED; |
| } |
| } |
| return eSIR_SUCCESS; |
| } |
| |
| /* --------------------------------------------------------------------- */ |
| /** |
| * lim_enable_short_preamble |
| * |
| * FUNCTION: |
| * Enable/Disable short preamble |
| * |
| * LOGIC: |
| * |
| * ASSUMPTIONS: |
| * |
| * NOTE: |
| * |
| * @param enable Flag to enable/disable short preamble |
| * @return None |
| */ |
| |
| tSirRetStatus |
| 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) != eSIR_SUCCESS) { |
| /* Could not get short preamble enabled flag from CFG. Log error. */ |
| lim_log(pMac, LOGP, |
| FL("could not retrieve short preamble flag")); |
| return eSIR_FAILURE; |
| } |
| |
| if (!val) |
| return eSIR_SUCCESS; |
| |
| if (wlan_cfg_get_int(pMac, WNI_CFG_11G_SHORT_PREAMBLE_ENABLED, &val) != |
| eSIR_SUCCESS) { |
| lim_log(pMac, LOGP, |
| FL |
| ("could not retrieve 11G short preamble switching enabled flag")); |
| return eSIR_FAILURE; |
| } |
| |
| if (!val) /* 11G short preamble switching is disabled. */ |
| return eSIR_SUCCESS; |
| |
| if (LIM_IS_AP_ROLE(psessionEntry)) { |
| if (enable && (psessionEntry->beaconParams.fShortPreamble == 0)) { |
| PELOG1(lim_log |
| (pMac, LOG1, FL("===> 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)) { |
| PELOG1(lim_log |
| (pMac, LOG1, FL("===> Short Preamble Disabled")); |
| ) |
| psessionEntry->beaconParams.fShortPreamble = false; |
| pBeaconParams->fShortPreamble = |
| (uint8_t) psessionEntry->beaconParams. |
| fShortPreamble; |
| pBeaconParams->paramChangeBitmap |= |
| PARAM_SHORT_PREAMBLE_CHANGED; |
| } |
| } |
| |
| return eSIR_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 none |
| */ |
| void lim_tx_complete(tHalHandle hHal, void *data, bool free) |
| { |
| if (free) |
| cds_packet_free((void *)data); |
| } |
| |
| /** |
| * \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; |
| |
| /* 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 (psessionEntry->ftPEContext.ftPreAuthSession) { |
| lim_log(pMac, LOGE, |
| FL("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) { |
| lim_log(pMac, LOGE, FL("RoC is in progress")); |
| 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) { |
| 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; |
| } |
| |
| /* notify HAL */ |
| lim_log(pMac, LOGW, FL("Channel Information in HT IE change" |
| "d; sending notification to HAL.")); |
| lim_log(pMac, LOGW, FL("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, |
| psessionEntry->htRecommendedTxWidthSet, |
| psessionEntry->maxTxPower, |
| psessionEntry->peSessionId, |
| true); |
| |
| /* 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 |
| -------------------------------------------------------------*/ |
| |
| tSirRetStatus 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. */ |
| tSirMsgQ msg; |
| |
| 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); |
| lim_log(pMac, LOGP, FL("invalid message id = %d received"), |
| msgId); |
| return eSIR_FAILURE; |
| } |
| |
| if (lim_post_msg_api(pMac, &msg) != eSIR_SUCCESS) { |
| qdf_mem_free(msgParam); |
| lim_log(pMac, LOGP, FL("lim_post_msg_api failed for msgid = %d"), |
| msg.type); |
| return eSIR_FAILURE; |
| } |
| return eSIR_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: eSIR_SUCCESS - Success, eSIR_FAILURE - Failure |
| */ |
| |
| tSirRetStatus |
| 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) { |
| lim_log(mac_ctx, LOGE, |
| FL("Delete TS request pointer is NULL")); |
| return eSIR_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) { |
| lim_log(mac_ctx, LOGE, |
| FL("Cannot find station context for delts req")); |
| return eSIR_FAILURE; |
| } |
| |
| if ((!sta->valid) || |
| (sta->mlmStaContext.mlmState != |
| eLIM_MLM_LINK_ESTABLISHED_STATE)) { |
| lim_log(mac_ctx, LOGE, |
| FL("Invalid Sta (or state) for DelTsReq")); |
| return eSIR_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 { |
| lim_log(mac_ctx, LOGW, |
| FL("DELTS_REQ ignore - qos is disabled")); |
| return eSIR_FAILURE; |
| } |
| |
| tsinfo = delts_req->req.wmeTspecPresent ? &delts_req->req.tspec.tsinfo |
| : &delts_req->req.tsinfo; |
| lim_log(mac_ctx, LOG1, |
| FL("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) != eSIR_SUCCESS) { |
| lim_log(mac_ctx, LOGE, |
| FL("ERROR DELTS request for sta assocId %d (tsid %d, up %d)"), |
| sta->assocId, tsinfo->traffic.tsid, |
| tsinfo->traffic.userPrio); |
| return eSIR_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 (eSIR_SUCCESS != |
| lim_send_hal_msg_del_ts(mac_ctx, sta->staIndex, |
| tspec_idx, delts_req->req, |
| psession_entry->peSessionId, |
| psession_entry->bssId)) { |
| lim_log(mac_ctx, LOGW, |
| FL("DelTs with UP %d failed in lim_send_hal_msg_del_ts - ignoring request"), |
| tsinfo->traffic.userPrio); |
| return eSIR_FAILURE; |
| } |
| } |
| return eSIR_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) |
| { |
| tSirMsgQ msg; |
| tpHalIndCB pHalCB; |
| |
| pHalCB = qdf_mem_malloc(sizeof(tHalIndCB)); |
| if (NULL == pHalCB) { |
| lim_log(pMac, LOGP, FL("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 (eSIR_SUCCESS != wma_post_ctrl_msg(pMac, &msg)) { |
| qdf_mem_free(pHalCB); |
| lim_log(pMac, LOGP, FL("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, tpSirMsgQ 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) { |
| lim_log(pMac, LOGE, |
| FL("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) { |
| PELOGE(lim_log |
| (pMac, LOGE, |
| FL("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) { |
| lim_log(pMac, LOGE, |
| FL("Could not find entry in DPH table for assocId = %d"), |
| pTspecInfo->assocId); |
| goto error1; |
| } |
| |
| pDelTsReq = qdf_mem_malloc(sizeof(tSirDeltsReq)); |
| if (NULL == pDelTsReq) { |
| PELOGE(lim_log(pMac, LOGE, FL("AllocateMemory() failed"));) |
| goto error1; |
| } |
| |
| qdf_mem_set((uint8_t *) pDelTsReq, sizeof(tSirDeltsReq), 0); |
| |
| 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 (eSIR_SUCCESS != |
| lim_validate_delts_req(pMac, pDelTsReq, peerMacAddr, psessionEntry)) { |
| PELOGE(lim_log(pMac, LOGE, FL("lim_validate_delts_req failed"));) |
| goto error2; |
| } |
| PELOG1(lim_log(pMac, LOG1, "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) { |
| PELOGE(lim_log(pMac, LOGE, FL("AllocateMemory() failed"));) |
| goto error3; |
| } |
| qdf_mem_set((uint8_t *) pDelTsReqInfo, sizeof(tSirDeltsReqInfo), 0); |
| |
| 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 |
| */ |
| tSirRetStatus |
| lim_post_sm_state_update(tpAniSirGlobal pMac, |
| uint16_t staIdx, tSirMacHTMIMOPowerSaveState state, |
| uint8_t *pPeerStaMac, uint8_t sessionId) |
| { |
| tSirRetStatus retCode = eSIR_SUCCESS; |
| tSirMsgQ msgQ; |
| 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) { |
| lim_log(pMac, LOGP, FL(" AllocateMemory failed")); |
| return eSIR_MEM_ALLOC_FAILED; |
| } |
| |
| 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; |
| |
| lim_log(pMac, LOG2, FL("Sending WMA_SET_MIMOPS_REQ...")); |
| |
| MTRACE(mac_trace_msg_tx(pMac, NO_SESSION, msgQ.type)); |
| retCode = wma_post_ctrl_msg(pMac, &msgQ); |
| if (eSIR_SUCCESS != retCode) { |
| lim_log(pMac, LOGP, |
| FL |
| ("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_resset_scan_channel_info(tpAniSirGlobal pMac) |
| { |
| qdf_mem_set(&pMac->lim.scanChnInfo, sizeof(tLimScanChnInfo), 0); |
| } |
| |
| /** |
| * @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 |
| */ |
| tAniBool 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]; |
| |
| if (wlan_cfg_get_str(pMac, WNI_CFG_VALID_CHANNEL_LIST, |
| (uint8_t *) validChannelList, |
| (uint32_t *) &validChannelListLen) != |
| eSIR_SUCCESS) { |
| PELOGE(lim_log |
| (pMac, LOGE, |
| FL("could not retrieve valid channel list")); |
| ) |
| return eSIR_FALSE; |
| } |
| |
| for (index = 0; index < validChannelListLen; index++) { |
| if (validChannelList[index] == channel) |
| return eSIR_TRUE; |
| } |
| |
| /* channel does not belong to list of valid channels */ |
| return eSIR_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, doesnt |
| * 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: |
| PELOGW(lim_log(pMac, LOGW, FL("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; |
| tSirMsgQ msgQ; |
| 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) { |
| lim_log(pMac, LOGP, FL("AllocateMemory() failed")); |
| return; |
| } |
| |
| qdf_mem_set((void *)pTxCtrlMsg, (sizeof(*pTxCtrlMsg) + nBytes), 0); |
| status = __lim_fill_tx_control_params(pMac, pTxCtrlMsg, type, mode); |
| if (status != QDF_STATUS_SUCCESS) { |
| qdf_mem_free(pTxCtrlMsg); |
| lim_log(pMac, LOGP, |
| FL("__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) != eSIR_SUCCESS) { |
| qdf_mem_free(pTxCtrlMsg); |
| lim_log(pMac, LOGP, FL("Posting Message to HAL failed")); |
| return; |
| } |
| |
| if (mode == eLIM_STOP_TX) { |
| PELOG1(lim_log |
| (pMac, LOG1, |
| FL |
| ("Stopping the transmission of all packets, indicated softmac")); |
| ) |
| } else { |
| PELOG1(lim_log |
| (pMac, LOG1, |
| FL |
| ("Resuming the transmission of all packets, indicated softmac")); |
| ) |
| } |
| 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 |
| */ |
| |
| tSirRetStatus |
| lim_restore_pre_channel_switch_state(tpAniSirGlobal pMac, tpPESession psessionEntry) |
| { |
| |
| tSirRetStatus retCode = eSIR_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 |
| ---------------------------------------------*/ |
| tSirRetStatus lim_restore_pre_quiet_state(tpAniSirGlobal pMac, |
| tpPESession psessionEntry) |
| { |
| |
| tSirRetStatus retCode = eSIR_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) { |
| PELOGE(lim_log |
| (pMac, LOG1, |
| FL("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 { |
| PELOGE(lim_log |
| (pMac, LOG1, |
| FL("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) { |
| PELOG3(lim_log |
| (pMac, LOG3, FL("Beacon, nwtype=G")); |
| ) |
| nwType = eSIR_11G_NW_TYPE; |
| } |
| } else { |
| /* 11a packet */ |
| PELOG3(lim_log(pMac, LOG3, FL("Beacon, nwtype=A"));) |
| 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); |
| |
| PELOG1(lim_log |
| (pMac, LOG1, FL("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); |
| } |
| } |
| |
| lim_log(pMac, LOG1, |
| FL("New psessionEntry->gUapsdPerAcTriggerEnableMask = 0x%x "), |
| psessionEntry->gUapsdPerAcTriggerEnableMask); |
| lim_log(pMac, LOG1, |
| FL("New psessionEntry->gUapsdPerAcDeliveryEnableMask = 0x%x "), |
| 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 |
| */ |
| PELOGW(lim_log(mac_ctx, LOGW, |
| FL("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) |
| lim_log(mac_ctx, LOGP, |
| FL("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, tpSirMsgQ 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) { |
| lim_log(mac_ctx, LOGP, |
| FL("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 (mac_ctx->lim.gLimAddStaTdls) { |
| lim_process_tdls_add_sta_rsp(mac_ctx, msg->bodyptr, session); |
| mac_ctx->lim.gLimAddStaTdls = false; |
| } |
| #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; |
| lim_log(mac_ctx, LOGE, FL("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))) { |
| lim_log(mac_ctx, LOGE, FL("for session:%d "), |
| psession_entry->peSessionId); |
| /* |
| * 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 { |
| lim_log(mac_ctx, LOGE, |
| FL("Unexpected wt-probe-timeout in state ")); |
| lim_print_mlm_state(mac_ctx, LOGE, |
| psession_entry->limMlmState); |
| } |
| } |
| /* |
| * 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, tpSirMsgQ pLimMsg) |
| { |
| if (SIR_BB_XPORT_MGMT_MSG == pLimMsg->type) { |
| 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; |
| } |
| |
| #endif /* FEATURE_WLAN_DIAG_SUPPORT */ |
| |
| uint8_t *lim_get_ie_ptr_new(tpAniSirGlobal pMac, uint8_t *pIes, int length, |
| uint8_t eid, eSizeOfLenField size_of_len_field) |
| { |
| int left = length; |
| uint8_t *ptr = pIes; |
| uint8_t elem_id; |
| uint16_t elem_len; |
| |
| while (left >= (size_of_len_field + 1)) { |
| elem_id = ptr[0]; |
| if (size_of_len_field == TWO_BYTE) { |
| elem_len = ((uint16_t) ptr[1]) | (ptr[2] << 8); |
| } else { |
| elem_len = ptr[1]; |
| } |
| |
| left -= (size_of_len_field + 1); |
| if (elem_len > left) { |
| lim_log(pMac, LOGE, |
| FL |
| ("****Invalid IEs eid = %d elem_len=%d left=%d*****"), |
| eid, elem_len, left); |
| return NULL; |
| } |
| if (elem_id == eid) { |
| return ptr; |
| } |
| |
| left -= elem_len; |
| ptr += (elem_len + (size_of_len_field + 1)); |
| } |
| return NULL; |
| } |
| |
| /* 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(uint8_t currentChannel) |
| { |
| if (CHANNEL_STATE_DFS == |
| cds_get_channel_state(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; |
| |
| lim_log(pMac, LOG1, FL("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) { |
| lim_log(pMac, LOGE, |
| FL("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) { |
| lim_log(pMac, LOGE, |
| FL("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) != eSIR_SUCCESS) { |
| lim_log(pMac, LOGE, |
| FL |
| ("Could not retrieve PMF SA Query maximum retries value")); |
| pSta->pmfSaQueryState = DPH_SA_QUERY_NOT_IN_PROGRESS; |
| return; |
| } |
| pSta->pmfSaQueryRetryCount++; |
| if (pSta->pmfSaQueryRetryCount >= maxRetries) { |
| lim_log(pMac, LOGE, FL("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++; |
| lim_log(pMac, LOGE, FL("Starting SA Query retry %d"), |
| pSta->pmfSaQueryRetryCount); |
| if (tx_timer_activate(&pSta->pmfSaQueryTimer) != TX_SUCCESS) { |
| lim_log(pMac, LOGE, FL("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; |
| } |
| |
| bool lim_set_nss_change(tpAniSirGlobal pMac, tpPESession psessionEntry, |
| uint8_t rxNss, uint8_t staId, uint8_t *peerMac) |
| { |
| tUpdateRxNss tempParam; |
| |
| 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; |
| } |
| |
| lim_log(pMac, LOG1, FL("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) |
| { |
| uint8_t *p_ie = NULL; |
| tDot11fIEHTCaps dot11_ht_cap = {0,}; |
| |
| populate_dot11f_ht_caps(p_mac, p_session_entry, &dot11_ht_cap); |
| p_ie = lim_get_ie_ptr_new(p_mac, p_ie_start, num_bytes, |
| DOT11F_EID_HTCAPS, ONE_BYTE); |
| lim_log(p_mac, LOG2, FL("p_ie %p 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) |
| { |
| uint8_t *p_ie = NULL; |
| tDot11fIEVHTCaps dot11_vht_cap; |
| |
| populate_dot11f_vht_caps(p_mac, p_session_entry, &dot11_vht_cap); |
| p_ie = lim_get_ie_ptr_new(p_mac, p_ie_start, num_bytes, |
| DOT11F_EID_VHTCAPS, ONE_BYTE); |
| |
| 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 addres 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) { |
| QDF_TRACE(QDF_MODULE_ID_PE, QDF_TRACE_LEVEL_INFO, |
| "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)) { |
| lim_log(mac_ctx, LOGE, |
| FL("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)) { |
| qdf_mem_zero(&mac_ctx->lim.gLimOverlap11gParams, |
| sizeof(mac_ctx->lim.gLimOverlap11gParams)); |
| qdf_mem_zero(&mac_ctx->lim.gLimOverlap11aParams, |
| sizeof(mac_ctx->lim.gLimOverlap11aParams)); |
| qdf_mem_zero(&mac_ctx->lim.gLimOverlapHt20Params, |
| sizeof(mac_ctx->lim.gLimOverlapHt20Params)); |
| qdf_mem_zero(&mac_ctx->lim.gLimOverlapNonGfParams, |
| sizeof(mac_ctx->lim.gLimOverlapNonGfParams)); |
| |
| 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; |
| |
| lim_log(mac_ctx, LOG1, |
| FL("ExtCap present, timingMeas: %d Initiator: %d Responder: %d"), |
| ext_cap->timing_meas, ext_cap->fine_time_meas_initiator, |
| ext_cap->fine_time_meas_responder); |
| } |
| |
| /** |
| * 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 |
| */ |
| 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; |
| cds_msg_t msg = {0}; |
| QDF_STATUS status; |
| |
| /* Allocate memory for the WMI request */ |
| ie_msg = qdf_mem_malloc(sizeof(*ie_msg) + len); |
| if (!ie_msg) { |
| lim_log(mac_ctx, LOGE, FL("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 = cds_mq_post_message(QDF_MODULE_ID_WMA, &msg); |
| if (QDF_STATUS_SUCCESS != status) { |
| lim_log(mac_ctx, LOGE, |
| FL("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 for which ldpc setting is required |
| * |
| * Return: true if enabled and false otherwise |
| */ |
| static inline bool lim_get_rx_ldpc(tpAniSirGlobal mac_ctx, uint8_t ch) |
| { |
| if (mac_ctx->roam.configParam.rxLdpcEnable && |
| wma_is_rx_ldpc_supported_for_channel(CDS_CHANNEL_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; |
| tSirMacVHTCapabilityInfo *p_vht_cap = |
| (tSirMacVHTCapabilityInfo *)vht_caps; |
| |
| /* |
| * 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); |
| 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); |
| 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; |
| /* Get LDPC and over write for 2G */ |
| lim_set_vht_caps(mac_ctx, session, vht_caps, |
| DOT11F_IE_VHTCAPS_MIN_LEN + 2); |
| p_vht_cap->ldpcCodingCap = lim_get_rx_ldpc(mac_ctx, CHAN_ENUM_6); |
| lim_send_ie(mac_ctx, vdev_id, DOT11F_EID_VHTCAPS, |
| CDS_BAND_2GHZ, &vht_caps[2], DOT11F_IE_VHTCAPS_MIN_LEN); |
| |
| /* |
| * 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); |
| lim_send_ie(mac_ctx, vdev_id, DOT11F_EID_VHTCAPS, |
| CDS_BAND_5GHZ, &vht_caps[2], DOT11F_IE_VHTCAPS_MIN_LEN); |
| |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| /** |
| * 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; |
| cds_msg_t msg = {0}; |
| tSirRetStatus status; |
| uint8_t *temp, i; |
| |
| 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 (eSIR_SUCCESS != status) { |
| lim_log(mac_ctx, LOGE, FL("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); |
| } |
| |
| /* Allocate memory for the WMI request, and copy the parameter */ |
| vdev_ie = qdf_mem_malloc(sizeof(*vdev_ie) + num_bytes); |
| if (!vdev_ie) { |
| lim_log(mac_ctx, LOGE, FL("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; |
| |
| lim_log(mac_ctx, LOG1, FL("vdev %d ieid %d len %d"), session_id, |
| DOT11F_EID_EXTCAP, num_bytes); |
| temp = ext_cap_data.bytes; |
| for (i = 0; i < num_bytes; i++, temp++) |
| lim_log(mac_ctx, LOG1, FL("%d byte is %02x"), i+1, *temp); |
| |
| 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 != |
| cds_mq_post_message(QDF_MODULE_ID_WMA, &msg)) { |
| lim_log(mac_ctx, LOGE, |
| FL("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_extcap_ie() - strip extended capability IE from IE buffer |
| * @mac_ctx: global MAC context |
| * @addn_ie: Additional IE buffer |
| * @addn_ielen: Length of additional IE |
| * @extracted_ie: if not NULL, copy the stripped IE to this buffer |
| * |
| * This utility function is used to strip of the extended capability IE present |
| * in additional IE buffer. |
| * |
| * Return: tSirRetStatus |
| */ |
| tSirRetStatus lim_strip_extcap_ie(tpAniSirGlobal mac_ctx, |
| uint8_t *addn_ie, uint16_t *addn_ielen, uint8_t *extracted_ie) |
| { |
| uint8_t *tempbuf = NULL; |
| uint16_t templen = 0; |
| int left = *addn_ielen; |
| uint8_t *ptr = addn_ie; |
| uint8_t elem_id, elem_len; |
| |
| if (NULL == addn_ie) { |
| lim_log(mac_ctx, LOG1, FL("NULL addn_ie pointer")); |
| return eSIR_IGNORE_IE; |
| } |
| |
| tempbuf = qdf_mem_malloc(left); |
| if (NULL == tempbuf) { |
| lim_log(mac_ctx, LOGE, FL("Unable to allocate memory")); |
| return eSIR_MEM_ALLOC_FAILED; |
| } |
| |
| while (left >= 2) { |
| elem_id = ptr[0]; |
| elem_len = ptr[1]; |
| left -= 2; |
| if (elem_len > left) { |
| lim_log(mac_ctx, LOGE, |
| FL("Invalid IEs eid = %d elem_len=%d left=%d"), |
| elem_id, elem_len, left); |
| qdf_mem_free(tempbuf); |
| return eSIR_FAILURE; |
| } |
| if (!(DOT11F_EID_EXTCAP == elem_id)) { |
| qdf_mem_copy(tempbuf + templen, &ptr[0], elem_len + 2); |
| templen += (elem_len + 2); |
| } else { |
| if (NULL != extracted_ie) { |
| qdf_mem_set(extracted_ie, |
| DOT11F_IE_EXTCAP_MAX_LEN + 2, 0); |
| if (elem_len <= DOT11F_IE_EXTCAP_MAX_LEN) |
| qdf_mem_copy(extracted_ie, &ptr[0], |
| elem_len + 2); |
| } |
| } |
| left -= elem_len; |
| ptr += (elem_len + 2); |
| } |
| qdf_mem_copy(addn_ie, tempbuf, templen); |
| |
| *addn_ielen = templen; |
| qdf_mem_free(tempbuf); |
| |
| return eSIR_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]; |
| |
| if (NULL == buf) { |
| lim_log(mac_ctx, LOGE, FL("Invalid Buffer Address")); |
| return; |
| } |
| |
| if (NULL == dst) { |
| lim_log(mac_ctx, LOGE, FL("NULL dst pointer")); |
| return; |
| } |
| |
| if (DOT11F_EID_EXTCAP != buf[0] || buf[1] > DOT11F_IE_EXTCAP_MAX_LEN) { |
| lim_log(mac_ctx, LOG1, FL("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], DOT11F_IE_EXTCAP_MAX_LEN); |
| |
| if (DOT11F_PARSE_SUCCESS != dot11f_unpack_ie_ext_cap(mac_ctx, &out[0], |
| DOT11F_IE_EXTCAP_MAX_LEN, dst)) |
| lim_log(mac_ctx, LOGE, FL("dot11f_unpack Parse Error ")); |
| } |
| |
| /** |
| * 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: tSirRetStatus |
| */ |
| tSirRetStatus 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]; |
| tSirRetStatus status; |
| |
| qdf_mem_set((uint8_t *)&extracted_buff[0], DOT11F_IE_EXTCAP_MAX_LEN + 2, |
| 0); |
| status = lim_strip_extcap_ie(mac_ctx, addn_ie, addn_ielen, |
| extracted_buff); |
| if (eSIR_SUCCESS != status) { |
| lim_log(mac_ctx, LOG1, |
| FL("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 |
| * |
| * This function is used to take @src info and merge it with @dst |
| * extended capabilities info. |
| * |
| * Return: None |
| */ |
| void lim_merge_extcap_struct(tDot11fIEExtCap *dst, |
| tDot11fIEExtCap *src) |
| { |
| uint8_t *tempdst = (uint8_t *)dst->bytes; |
| uint8_t *tempsrc = (uint8_t *)src->bytes; |
| uint8_t structlen = member_size(tDot11fIEExtCap, bytes); |
| |
| while (tempdst && tempsrc && structlen--) { |
| *tempdst |= *tempsrc; |
| tempdst++; |
| tempsrc++; |
| } |
| } |
| |
| /** |
| * 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_scan_type_to_string(): converts scan type enum to string. |
| * @scan_type: enum value of scan_type. |
| * |
| * Return: Printable string for scan_type |
| */ |
| const char *lim_scan_type_to_string(const uint8_t scan_type) |
| { |
| switch (scan_type) { |
| CASE_RETURN_STRING(eSIR_PASSIVE_SCAN); |
| CASE_RETURN_STRING(eSIR_ACTIVE_SCAN); |
| CASE_RETURN_STRING(eSIR_BEACON_TABLE); |
| default: |
| return "Unknown scan_type"; |
| } |
| } |
| |
| /** |
| * 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) != eSIR_SUCCESS) { |
| lim_log(mac_ctx, LOGE, |
| FL("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) != eSIR_SUCCESS) { |
| lim_log(mac_ctx, LOGE, |
| FL("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) != eSIR_SUCCESS) { |
| lim_log(mac_ctx, LOGE, |
| FL("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) != eSIR_SUCCESS) { |
| lim_log(mac_ctx, LOGE, |
| FL("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) |
| != eSIR_SUCCESS) { |
| lim_log(mac_ctx, LOGE, |
| FL("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) |
| != eSIR_SUCCESS) { |
| lim_log(mac_ctx, LOGE, |
| FL("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) != eSIR_SUCCESS) { |
| lim_log(mac_ctx, LOGE, |
| FL("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 recieved 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_active_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: |
| QDF_TRACE(QDF_MODULE_ID_PE, QDF_TRACE_LEVEL_INFO, |
| FL("non-PMF action category[%d] "), |
| action_category); |
| break; |
| } |
| return false; |
| } |
| |
| /** |
| * lim_is_ext_cap_ie_present - checks if ext ie is present |
| * @ext_cap: extended IEs structure |
| * |
| * Return: true if ext IEs are present else false |
| */ |
| bool lim_is_ext_cap_ie_present (struct s_ext_cap *ext_cap) |
| { |
| int i, size; |
| uint8_t *tmp_buf; |
| |
| tmp_buf = (uint8_t *) ext_cap; |
| size = sizeof(*ext_cap); |
| |
| for (i = 0; i < size; i++) |
| if (tmp_buf[i]) |
| return true; |
| |
| return false; |
| } |
| |
| /** |
| * 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); |
| lim_log(mac_ctx, LOG1, FL("Clearing spectrum management:no AP support")); |
| } |
| |
| if (!(bss_caps & LIM_SHORT_PREAMBLE_BIT_MASK)) { |
| *caps &= (~LIM_SHORT_PREAMBLE_BIT_MASK); |
| lim_log(mac_ctx, LOG1, FL("Clearing short preamble:no AP support")); |
| } |
| |
| if (!(bss_caps & LIM_IMMEDIATE_BLOCK_ACK_MASK)) { |
| *caps &= (~LIM_IMMEDIATE_BLOCK_ACK_MASK); |
| lim_log(mac_ctx, LOG1, FL("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; |
| tSirRetStatus ret = eSIR_SUCCESS; |
| tSirMsgQ msg; |
| |
| if (session == NULL) { |
| lim_log(mac_ctx, LOGE, FL("Inavalid parameters")); |
| return; |
| } |
| dtim_params = qdf_mem_malloc(sizeof(*dtim_params)); |
| if (NULL == dtim_params) { |
| lim_log(mac_ctx, LOGP, |
| FL("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; |
| lim_log(mac_ctx, LOG1, FL("Post WMA_SET_DTIM_PERIOD to WMA")); |
| ret = wma_post_ctrl_msg(mac_ctx, &msg); |
| if (eSIR_SUCCESS != ret) { |
| lim_log(mac_ctx, LOGE, FL("wma_post_ctrl_msg() failed")); |
| qdf_mem_free(dtim_params); |
| } |
| } |