| /* |
| * Copyright (c) 2012-2019 The Linux Foundation. All rights reserved. |
| * |
| * Permission to use, copy, modify, and/or distribute this software for |
| * any purpose with or without fee is hereby granted, provided that the |
| * above copyright notice and this permission notice appear in all |
| * copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| * PERFORMANCE OF THIS SOFTWARE. |
| */ |
| |
| /* |
| * This file lim_process_cfg_updates.cc contains the utility functions |
| * to handle various CFG parameter update events |
| * Author: Chandra Modumudi |
| * Date: 01/20/03 |
| * History:- |
| * Date Modified by Modification Information |
| * -------------------------------------------------------------------- |
| */ |
| |
| #include "ani_global.h" |
| |
| #include "wni_cfg.h" |
| #include "sir_mac_prot_def.h" |
| #include "lim_types.h" |
| #include "lim_utils.h" |
| #include "lim_prop_exts_utils.h" |
| #include "sch_api.h" |
| #include "rrm_api.h" |
| |
| static void lim_update_config(struct mac_context *mac, struct pe_session *pe_session); |
| |
| void lim_set_cfg_protection(struct mac_context *mac, struct pe_session *pesessionEntry) |
| { |
| uint32_t val = 0; |
| struct wlan_mlme_cfg *mlme_cfg = mac->mlme_cfg; |
| |
| if (pesessionEntry != NULL && LIM_IS_AP_ROLE(pesessionEntry)) { |
| if (pesessionEntry->gLimProtectionControl == |
| MLME_FORCE_POLICY_PROTECTION_DISABLE) |
| qdf_mem_zero((void *)&pesessionEntry->cfgProtection, |
| sizeof(tCfgProtection)); |
| else { |
| pe_debug("frm11a = %d, from11b = %d, frm11g = %d, " |
| "ht20 = %d, nongf = %d, lsigTxop = %d, " |
| "rifs = %d, obss = %d", |
| pesessionEntry->cfgProtection.fromlla, |
| pesessionEntry->cfgProtection.fromllb, |
| pesessionEntry->cfgProtection.fromllg, |
| pesessionEntry->cfgProtection.ht20, |
| pesessionEntry->cfgProtection.nonGf, |
| pesessionEntry->cfgProtection.lsigTxop, |
| pesessionEntry->cfgProtection.rifs, |
| pesessionEntry->cfgProtection.obss); |
| } |
| } else { |
| mac->lim.gLimProtectionControl = |
| mlme_cfg->sap_protection_cfg.protection_force_policy; |
| |
| |
| if (mac->lim.gLimProtectionControl == |
| MLME_FORCE_POLICY_PROTECTION_DISABLE) |
| qdf_mem_zero((void *)&mac->lim.cfgProtection, |
| sizeof(tCfgProtection)); |
| else { |
| val = mlme_cfg->sap_protection_cfg.protection_enabled; |
| |
| mac->lim.cfgProtection.fromlla = |
| (val >> MLME_PROTECTION_ENABLED_FROM_llA) & 1; |
| mac->lim.cfgProtection.fromllb = |
| (val >> MLME_PROTECTION_ENABLED_FROM_llB) & 1; |
| mac->lim.cfgProtection.fromllg = |
| (val >> MLME_PROTECTION_ENABLED_FROM_llG) & 1; |
| mac->lim.cfgProtection.ht20 = |
| (val >> MLME_PROTECTION_ENABLED_HT_20) & 1; |
| mac->lim.cfgProtection.nonGf = |
| (val >> MLME_PROTECTION_ENABLED_NON_GF) & 1; |
| mac->lim.cfgProtection.lsigTxop = |
| (val >> MLME_PROTECTION_ENABLED_LSIG_TXOP) & 1; |
| mac->lim.cfgProtection.rifs = |
| (val >> MLME_PROTECTION_ENABLED_RIFS) & 1; |
| mac->lim.cfgProtection.obss = |
| (val >> MLME_PROTECTION_ENABLED_OBSS) & 1; |
| |
| } |
| } |
| } |
| |
| /** |
| * lim_handle_param_update() |
| * |
| ***FUNCTION: |
| * This function is use to post a message whenever need indicate |
| * there is update of config parameter. |
| * |
| ***PARAMS: |
| * |
| ***LOGIC: |
| * |
| ***ASSUMPTIONS: |
| * NA |
| * |
| ***NOTE: |
| * |
| * @param mac - Pointer to Global MAC structure |
| * @param cfgId - ID of CFG parameter that got updated |
| * @return None |
| */ |
| void lim_handle_param_update(struct mac_context *mac, eUpdateIEsType cfgId) |
| { |
| struct scheduler_msg msg = { 0 }; |
| QDF_STATUS status; |
| |
| pe_debug("Handling CFG parameter id %X update", cfgId); |
| |
| switch (cfgId) { |
| case eUPDATE_IE_PROBE_BCN: |
| { |
| msg.type = SIR_LIM_UPDATE_BEACON; |
| status = lim_post_msg_api(mac, &msg); |
| |
| if (status != QDF_STATUS_SUCCESS) |
| pe_err("Failed lim_post_msg_api %u", status); |
| break; |
| } |
| default: |
| break; |
| } |
| } |
| |
| /** |
| * lim_apply_configuration() |
| * |
| ***FUNCTION: |
| * This function is called to apply the configured parameters |
| * before joining or reassociating with a BSS or starting a BSS. |
| * |
| ***PARAMS: |
| * |
| ***LOGIC: |
| * |
| ***ASSUMPTIONS: |
| * NA |
| * |
| ***NOTE: |
| * |
| * @param mac - Pointer to Global MAC structure |
| * @return None |
| */ |
| |
| void lim_apply_configuration(struct mac_context *mac, struct pe_session *pe_session) |
| { |
| uint32_t phyMode; |
| |
| pe_debug("Applying config"); |
| |
| pe_session->limSentCapsChangeNtf = false; |
| |
| lim_get_phy_mode(mac, &phyMode, pe_session); |
| |
| lim_update_config(mac, pe_session); |
| |
| lim_get_short_slot_from_phy_mode(mac, pe_session, phyMode, |
| &pe_session->shortSlotTimeSupported); |
| |
| lim_set_cfg_protection(mac, pe_session); |
| |
| /* Added for BT - AMP Support */ |
| if (LIM_IS_AP_ROLE(pe_session) || |
| LIM_IS_IBSS_ROLE(pe_session)) { |
| /* This check is required to ensure the beacon generation is not done |
| as a part of join request for a BT-AMP station */ |
| |
| if (pe_session->statypeForBss == STA_ENTRY_SELF) { |
| pe_debug("Initializing BT-AMP beacon generation"); |
| sch_set_beacon_interval(mac, pe_session); |
| sch_set_fixed_beacon_fields(mac, pe_session); |
| } |
| } |
| } /*** end lim_apply_configuration() ***/ |
| |
| /** |
| * lim_update_config |
| * |
| * FUNCTION: |
| * Update the local state from CFG database |
| * (This used to be dphUpdateConfig) |
| * |
| * LOGIC: |
| * |
| * ASSUMPTIONS: |
| * |
| * NOTE: |
| * |
| * @param None |
| * @return None |
| */ |
| |
| static void lim_update_config(struct mac_context *mac, struct pe_session *pe_session) |
| { |
| bool enabled; |
| |
| pe_session->beaconParams.fShortPreamble = |
| mac->mlme_cfg->ht_caps.short_preamble; |
| |
| /* In STA case this parameter is filled during the join request */ |
| if (LIM_IS_AP_ROLE(pe_session) || |
| LIM_IS_IBSS_ROLE(pe_session)) { |
| enabled = mac->mlme_cfg->wmm_params.wme_enabled; |
| pe_session->limWmeEnabled = enabled; |
| } |
| enabled = mac->mlme_cfg->wmm_params.wsm_enabled; |
| pe_session->limWsmEnabled = enabled; |
| |
| if ((!pe_session->limWmeEnabled) && (pe_session->limWsmEnabled)) { |
| pe_err("Can't enable WSM without WME"); |
| pe_session->limWsmEnabled = 0; |
| } |
| /* In STA , this parameter is filled during the join request */ |
| if (LIM_IS_AP_ROLE(pe_session) || LIM_IS_IBSS_ROLE(pe_session)) { |
| enabled = mac->mlme_cfg->wmm_params.qos_enabled; |
| pe_session->limQosEnabled = enabled; |
| } |
| pe_session->limHcfEnabled = mac->mlme_cfg->feature_flags.enable_hcf; |
| |
| /* AP: WSM should enable HCF as well, for STA enable WSM only after */ |
| /* association response is received */ |
| if (pe_session->limWsmEnabled && LIM_IS_AP_ROLE(pe_session)) |
| pe_session->limHcfEnabled = 1; |
| |
| pe_session->lim11dEnabled = mac->mlme_cfg->gen.enabled_11d ? 1 : 0; |
| |
| pe_debug("Updated Lim shadow state based on CFG"); |
| } |