| /* |
| * Copyright (c) 2012-2018 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. |
| */ |
| |
| /* |
| * sys_entry_func.cc - This file has all the system level entry functions |
| * for all the defined threads at system level. |
| * Author: V. K. Kandarpa |
| * Date: 01/16/2002 |
| * History:- |
| * Date Modified by Modification Information |
| * -------------------------------------------------------------------------- |
| * |
| */ |
| /* Standard include files */ |
| |
| /* Application Specific include files */ |
| #include "sir_common.h" |
| #include "ani_global.h" |
| |
| #include "lim_api.h" |
| #include "sch_api.h" |
| #include "utils_api.h" |
| |
| #include "sys_def.h" |
| #include "sys_entry_func.h" |
| #include "sys_startup.h" |
| #include "lim_trace.h" |
| #include "wma_types.h" |
| |
| tSirRetStatus postPTTMsgApi(tpAniSirGlobal pMac, struct scheduler_msg *pMsg); |
| |
| #include "qdf_types.h" |
| #include "cds_packet.h" |
| |
| #define MAX_DEAUTH_ALLOWED 5 |
| /* --------------------------------------------------------------------------- */ |
| /** |
| * sys_init_globals |
| * |
| * FUNCTION: |
| * Initializes system level global parameters |
| * |
| * LOGIC: |
| * |
| * ASSUMPTIONS: |
| * |
| * NOTE: |
| * |
| * @param tpAniSirGlobal Sirius software parameter struct pointer |
| * @return None |
| */ |
| |
| tSirRetStatus sys_init_globals(tpAniSirGlobal pMac) |
| { |
| |
| qdf_mem_set((uint8_t *) &pMac->sys, sizeof(pMac->sys), 0); |
| |
| pMac->sys.gSysEnableLinkMonitorMode = 0; |
| |
| return eSIR_SUCCESS; |
| } |
| |
| /** |
| * sys_bbt_process_message_core() - to process BBT messages |
| * @mac_ctx: pointer to mac context |
| * @msg: message pointer |
| * @type: type of persona |
| * @subtype: subtype of persona |
| * |
| * This routine is to process some bbt messages |
| * |
| * Return: None |
| */ |
| tSirRetStatus |
| sys_bbt_process_message_core(tpAniSirGlobal mac_ctx, struct scheduler_msg *msg, |
| uint32_t type, uint32_t subtype) |
| { |
| uint32_t framecount; |
| tSirRetStatus ret; |
| void *bd_ptr; |
| tMgmtFrmDropReason dropreason; |
| cds_pkt_t *vos_pkt = (cds_pkt_t *) msg->bodyptr; |
| QDF_STATUS qdf_status = |
| wma_ds_peek_rx_packet_info(vos_pkt, &bd_ptr, false); |
| |
| mac_ctx->sys.gSysBbtReceived++; |
| |
| if (!QDF_IS_STATUS_SUCCESS(qdf_status)) |
| goto fail; |
| |
| mac_ctx->sys.gSysFrameCount[type][subtype]++; |
| framecount = mac_ctx->sys.gSysFrameCount[type][subtype]; |
| |
| if (type == SIR_MAC_MGMT_FRAME) { |
| tpSirMacMgmtHdr mac_hdr; |
| |
| /* |
| * Drop beacon frames in deferred state to avoid VOSS run out of |
| * message wrappers. |
| */ |
| if ((subtype == SIR_MAC_MGMT_BEACON) && |
| (!lim_is_system_in_scan_state(mac_ctx)) && |
| (GET_LIM_PROCESS_DEFD_MESGS(mac_ctx) != true) && |
| !mac_ctx->lim.gLimSystemInScanLearnMode) { |
| pe_debug("dropping received beacon in deffered state"); |
| goto fail; |
| } |
| |
| dropreason = lim_is_pkt_candidate_for_drop(mac_ctx, bd_ptr, |
| subtype); |
| if (eMGMT_DROP_NO_DROP != dropreason) { |
| pe_debug("Mgmt Frame %d being dropped, reason: %d\n", |
| subtype, dropreason); |
| MTRACE(mac_trace(mac_ctx, |
| TRACE_CODE_RX_MGMT_DROP, NO_SESSION, |
| dropreason);) |
| goto fail; |
| } |
| |
| mac_hdr = WMA_GET_RX_MAC_HEADER(bd_ptr); |
| if (subtype == SIR_MAC_MGMT_ASSOC_REQ) { |
| pe_info("ASSOC REQ frame allowed: da: " MAC_ADDRESS_STR ", sa: " MAC_ADDRESS_STR ", bssid: " MAC_ADDRESS_STR ", Assoc Req count so far: %d", |
| MAC_ADDR_ARRAY(mac_hdr->da), |
| MAC_ADDR_ARRAY(mac_hdr->sa), |
| MAC_ADDR_ARRAY(mac_hdr->bssId), |
| mac_ctx->sys.gSysFrameCount[type][subtype]); |
| } |
| if (subtype == SIR_MAC_MGMT_DEAUTH) { |
| pe_info("DEAUTH frame allowed: da: " MAC_ADDRESS_STR ", sa: " MAC_ADDRESS_STR ", bssid: " MAC_ADDRESS_STR ", DEAUTH count so far: %d", |
| MAC_ADDR_ARRAY(mac_hdr->da), |
| MAC_ADDR_ARRAY(mac_hdr->sa), |
| MAC_ADDR_ARRAY(mac_hdr->bssId), |
| mac_ctx->sys.gSysFrameCount[type][subtype]); |
| } |
| if (subtype == SIR_MAC_MGMT_DISASSOC) { |
| pe_info("DISASSOC frame allowed: da: " MAC_ADDRESS_STR ", sa: " MAC_ADDRESS_STR ", bssid: " MAC_ADDRESS_STR ", DISASSOC count so far: %d", |
| MAC_ADDR_ARRAY(mac_hdr->da), |
| MAC_ADDR_ARRAY(mac_hdr->sa), |
| MAC_ADDR_ARRAY(mac_hdr->bssId), |
| mac_ctx->sys.gSysFrameCount[type][subtype]); |
| } |
| |
| /* Post the message to PE Queue */ |
| ret = (tSirRetStatus) lim_post_msg_api(mac_ctx, msg); |
| if (ret != eSIR_SUCCESS) { |
| pe_err("posting to LIM2 failed, ret %d\n", ret); |
| goto fail; |
| } |
| mac_ctx->sys.gSysBbtPostedToLim++; |
| #ifdef FEATURE_WLAN_ESE |
| } else if (type == SIR_MAC_DATA_FRAME) { |
| pe_debug("IAPP Frame..."); |
| /* Post the message to PE Queue */ |
| ret = (tSirRetStatus) lim_post_msg_api(mac_ctx, msg); |
| if (ret != eSIR_SUCCESS) { |
| pe_err("posting to LIM2 failed, ret: %d", ret); |
| goto fail; |
| } |
| mac_ctx->sys.gSysBbtPostedToLim++; |
| #endif |
| } else { |
| pe_debug("BBT received Invalid type: %d subtype: %d " |
| "LIM state %X", type, subtype, |
| lim_get_sme_state(mac_ctx)); |
| goto fail; |
| } |
| return eSIR_SUCCESS; |
| fail: |
| mac_ctx->sys.gSysBbtDropped++; |
| return eSIR_FAILURE; |
| } |
| |