Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1 | /* |
Tushnim Bhattacharyya | ca50b32 | 2015-12-28 17:14:36 -0800 | [diff] [blame] | 2 | * Copyright (c) 2011-2016 The Linux Foundation. All rights reserved. |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3 | * |
| 4 | * Previously licensed under the ISC license by Qualcomm Atheros, Inc. |
| 5 | * |
| 6 | * |
| 7 | * Permission to use, copy, modify, and/or distribute this software for |
| 8 | * any purpose with or without fee is hereby granted, provided that the |
| 9 | * above copyright notice and this permission notice appear in all |
| 10 | * copies. |
| 11 | * |
| 12 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| 13 | * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| 14 | * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| 15 | * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| 16 | * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| 17 | * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 18 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| 19 | * PERFORMANCE OF THIS SOFTWARE. |
| 20 | */ |
| 21 | |
| 22 | /* |
| 23 | * This file was originally distributed by Qualcomm Atheros, Inc. |
| 24 | * under proprietary terms before Copyright ownership was assigned |
| 25 | * to the Linux Foundation. |
| 26 | */ |
| 27 | |
| 28 | /** ------------------------------------------------------------------------- * |
| 29 | ------------------------------------------------------------------------- * |
| 30 | |
| 31 | \file csr_api_scan.c |
| 32 | |
| 33 | Implementation for the Common Scan interfaces. |
| 34 | ========================================================================== */ |
| 35 | |
| 36 | #include "ani_global.h" |
| 37 | |
| 38 | #include "cds_mq.h" |
| 39 | #include "csr_inside_api.h" |
| 40 | #include "sme_inside.h" |
| 41 | #include "sms_debug.h" |
| 42 | |
| 43 | #include "csr_support.h" |
| 44 | |
| 45 | #include "host_diag_core_log.h" |
| 46 | #include "host_diag_core_event.h" |
| 47 | |
| 48 | #include "cds_reg_service.h" |
| 49 | #include "wma_types.h" |
| 50 | #include "cds_utils.h" |
| 51 | #include "cfg_api.h" |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 52 | #include "wma.h" |
| 53 | |
| 54 | #include "cds_concurrency.h" |
| 55 | #include "wlan_hdd_main.h" |
| 56 | |
| 57 | #define MIN_CHN_TIME_TO_FIND_GO 100 |
| 58 | #define MAX_CHN_TIME_TO_FIND_GO 100 |
| 59 | #define DIRECT_SSID_LEN 7 |
| 60 | |
| 61 | /* Purpose of HIDDEN_TIMER |
| 62 | ** When we remove hidden ssid from the profile i.e., forget the SSID via GUI that SSID shouldn't see in the profile |
| 63 | ** For above requirement we used timer limit, logic is explained below |
| 64 | ** Timer value is initialsed to current time when it receives corresponding probe response of hidden SSID (The probe request is |
| 65 | ** received regularly till SSID in the profile. Once it is removed from profile probe request is not sent.) when we receive probe response |
| 66 | ** for broadcast probe request, during update SSID with saved SSID we will diff current time with saved SSID time if it is greater than 1 min |
| 67 | ** then we are not updating with old one |
| 68 | */ |
| 69 | |
| 70 | #define HIDDEN_TIMER (1*60*1000) |
| 71 | #define CSR_SCAN_RESULT_RSSI_WEIGHT 80 /* must be less than 100, represent the persentage of new RSSI */ |
| 72 | |
| 73 | #define MAX_ACTIVE_SCAN_FOR_ONE_CHANNEL 140 |
| 74 | #define MIN_ACTIVE_SCAN_FOR_ONE_CHANNEL 120 |
| 75 | |
| 76 | #define MAX_ACTIVE_SCAN_FOR_ONE_CHANNEL_FASTREASSOC 30 |
| 77 | #define MIN_ACTIVE_SCAN_FOR_ONE_CHANNEL_FASTREASSOC 20 |
| 78 | |
| 79 | #define PCL_ADVANTAGE 30 |
| 80 | #define PCL_RSSI_THRESHOLD -75 |
| 81 | |
| 82 | #define CSR_SCAN_IS_OVER_BSS_LIMIT(pMac) \ |
| 83 | ((pMac)->scan.nBssLimit <= (csr_ll_count(&(pMac)->scan.scanResultList))) |
| 84 | |
| 85 | void csr_scan_get_result_timer_handler(void *); |
| 86 | static void csr_scan_result_cfg_aging_timer_handler(void *pv); |
| 87 | static void csr_set_default_scan_timing(tpAniSirGlobal pMac, tSirScanType scanType, |
| 88 | tCsrScanRequest *pScanRequest); |
| 89 | #ifdef WLAN_AP_STA_CONCURRENCY |
| 90 | static void csr_sta_ap_conc_timer_handler(void *); |
| 91 | #endif |
| 92 | bool csr_is_supported_channel(tpAniSirGlobal pMac, uint8_t channelId); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 93 | QDF_STATUS csr_scan_channels(tpAniSirGlobal pMac, tSmeCmd *pCommand); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 94 | void csr_set_cfg_valid_channel_list(tpAniSirGlobal pMac, uint8_t *pChannelList, |
| 95 | uint8_t NumChannels); |
| 96 | void csr_save_tx_power_to_cfg(tpAniSirGlobal pMac, tDblLinkList *pList, |
| 97 | uint32_t cfgId); |
| 98 | void csr_set_cfg_country_code(tpAniSirGlobal pMac, uint8_t *countryCode); |
| 99 | void csr_purge_channel_power(tpAniSirGlobal pMac, tDblLinkList *pChannelList); |
| 100 | void csr_release_scan_command(tpAniSirGlobal pMac, tSmeCmd *pCommand, |
| 101 | eCsrScanStatus scanStatus); |
| 102 | static bool csr_scan_validate_scan_result(tpAniSirGlobal pMac, uint8_t *pChannels, |
| 103 | uint8_t numChn, |
| 104 | tSirBssDescription *pBssDesc, |
| 105 | tDot11fBeaconIEs **ppIes); |
| 106 | bool csr_roam_is_valid_channel(tpAniSirGlobal pMac, uint8_t channel); |
| 107 | void csr_prune_channel_list_for_mode(tpAniSirGlobal pMac, |
| 108 | tCsrChannel *pChannelList); |
| 109 | |
| 110 | #define CSR_IS_SOCIAL_CHANNEL(channel) \ |
| 111 | (((channel) == 1) || ((channel) == 6) || ((channel) == 11)) |
| 112 | |
| 113 | static void csr_release_scan_cmd_pending_list(tpAniSirGlobal pMac) |
| 114 | { |
| 115 | tListElem *pEntry; |
| 116 | tSmeCmd *pCommand; |
| 117 | |
| 118 | while ((pEntry = |
| 119 | csr_ll_remove_head(&pMac->scan.scanCmdPendingList, |
| 120 | LL_ACCESS_LOCK)) != NULL) { |
| 121 | pCommand = GET_BASE_ADDR(pEntry, tSmeCmd, Link); |
| 122 | if (eSmeCsrCommandMask & pCommand->command) { |
| 123 | csr_abort_command(pMac, pCommand, true); |
| 124 | } else { |
| 125 | sms_log(pMac, LOGE, FL("Error: Received command : %d"), |
| 126 | pCommand->command); |
| 127 | } |
| 128 | } |
| 129 | } |
| 130 | |
| 131 | /* pResult is invalid calling this function. */ |
| 132 | void csr_free_scan_result_entry(tpAniSirGlobal pMac, tCsrScanResult *pResult) |
| 133 | { |
| 134 | if (NULL != pResult->Result.pvIes) { |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 135 | qdf_mem_free(pResult->Result.pvIes); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 136 | } |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 137 | qdf_mem_free(pResult); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 138 | } |
| 139 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 140 | static QDF_STATUS csr_ll_scan_purge_result(tpAniSirGlobal pMac, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 141 | tDblLinkList *pList) |
| 142 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 143 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 144 | tListElem *pEntry; |
| 145 | tCsrScanResult *pBssDesc; |
| 146 | |
| 147 | csr_ll_lock(pList); |
| 148 | |
| 149 | while ((pEntry = csr_ll_remove_head(pList, LL_ACCESS_NOLOCK)) != NULL) { |
| 150 | pBssDesc = GET_BASE_ADDR(pEntry, tCsrScanResult, Link); |
| 151 | csr_free_scan_result_entry(pMac, pBssDesc); |
| 152 | } |
| 153 | |
| 154 | csr_ll_unlock(pList); |
| 155 | |
| 156 | return status; |
| 157 | } |
| 158 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 159 | QDF_STATUS csr_scan_open(tpAniSirGlobal mac_ctx) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 160 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 161 | QDF_STATUS status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 162 | |
| 163 | csr_ll_open(mac_ctx->hHdd, &mac_ctx->scan.scanResultList); |
| 164 | csr_ll_open(mac_ctx->hHdd, &mac_ctx->scan.tempScanResults); |
| 165 | csr_ll_open(mac_ctx->hHdd, &mac_ctx->scan.channelPowerInfoList24); |
| 166 | csr_ll_open(mac_ctx->hHdd, &mac_ctx->scan.channelPowerInfoList5G); |
| 167 | #ifdef WLAN_AP_STA_CONCURRENCY |
| 168 | csr_ll_open(mac_ctx->hHdd, &mac_ctx->scan.scanCmdPendingList); |
| 169 | #endif |
| 170 | mac_ctx->scan.fFullScanIssued = false; |
| 171 | mac_ctx->scan.nBssLimit = CSR_MAX_BSS_SUPPORT; |
| 172 | #ifdef WLAN_AP_STA_CONCURRENCY |
Anurag Chouhan | 210db07 | 2016-02-22 18:42:15 +0530 | [diff] [blame] | 173 | status = qdf_mc_timer_init(&mac_ctx->scan.hTimerStaApConcTimer, |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 174 | QDF_TIMER_TYPE_SW, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 175 | csr_sta_ap_conc_timer_handler, |
| 176 | mac_ctx); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 177 | if (!QDF_IS_STATUS_SUCCESS(status)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 178 | sms_log(mac_ctx, LOGE, |
| 179 | FL("Mem Alloc failed for hTimerStaApConcTimer timer")); |
| 180 | return status; |
| 181 | } |
| 182 | #endif |
Anurag Chouhan | 210db07 | 2016-02-22 18:42:15 +0530 | [diff] [blame] | 183 | status = qdf_mc_timer_init(&mac_ctx->scan.hTimerResultCfgAging, |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 184 | QDF_TIMER_TYPE_SW, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 185 | csr_scan_result_cfg_aging_timer_handler, |
| 186 | mac_ctx); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 187 | if (!QDF_IS_STATUS_SUCCESS(status)) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 188 | sms_log(mac_ctx, LOGE, |
| 189 | FL("Mem Alloc failed for CFG ResultAging timer")); |
| 190 | |
| 191 | return status; |
| 192 | } |
| 193 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 194 | QDF_STATUS csr_scan_close(tpAniSirGlobal pMac) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 195 | { |
| 196 | csr_ll_scan_purge_result(pMac, &pMac->scan.tempScanResults); |
| 197 | csr_ll_scan_purge_result(pMac, &pMac->scan.scanResultList); |
| 198 | #ifdef WLAN_AP_STA_CONCURRENCY |
| 199 | csr_release_scan_cmd_pending_list(pMac); |
| 200 | #endif |
| 201 | csr_ll_close(&pMac->scan.scanResultList); |
| 202 | csr_ll_close(&pMac->scan.tempScanResults); |
| 203 | #ifdef WLAN_AP_STA_CONCURRENCY |
| 204 | csr_ll_close(&pMac->scan.scanCmdPendingList); |
| 205 | #endif |
| 206 | csr_purge_channel_power(pMac, &pMac->scan.channelPowerInfoList24); |
| 207 | csr_purge_channel_power(pMac, &pMac->scan.channelPowerInfoList5G); |
| 208 | csr_ll_close(&pMac->scan.channelPowerInfoList24); |
| 209 | csr_ll_close(&pMac->scan.channelPowerInfoList5G); |
| 210 | csr_scan_disable(pMac); |
Anurag Chouhan | 210db07 | 2016-02-22 18:42:15 +0530 | [diff] [blame] | 211 | qdf_mc_timer_destroy(&pMac->scan.hTimerResultCfgAging); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 212 | #ifdef WLAN_AP_STA_CONCURRENCY |
Anurag Chouhan | 210db07 | 2016-02-22 18:42:15 +0530 | [diff] [blame] | 213 | qdf_mc_timer_destroy(&pMac->scan.hTimerStaApConcTimer); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 214 | #endif |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 215 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 216 | } |
| 217 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 218 | QDF_STATUS csr_scan_enable(tpAniSirGlobal pMac) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 219 | { |
| 220 | |
| 221 | pMac->scan.fScanEnable = true; |
| 222 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 223 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 224 | } |
| 225 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 226 | QDF_STATUS csr_scan_disable(tpAniSirGlobal pMac) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 227 | { |
| 228 | |
| 229 | csr_scan_stop_timers(pMac); |
| 230 | pMac->scan.fScanEnable = false; |
| 231 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 232 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 233 | } |
| 234 | |
| 235 | /* Set scan timing parameters according to state of other driver sessions */ |
| 236 | /* No validation of the parameters is performed. */ |
| 237 | static void csr_set_default_scan_timing(tpAniSirGlobal pMac, tSirScanType scanType, |
| 238 | tCsrScanRequest *pScanRequest) |
| 239 | { |
| 240 | #ifdef WLAN_AP_STA_CONCURRENCY |
| 241 | if (csr_is_any_session_connected(pMac)) { |
| 242 | /* Reset passive scan time as per ini parameter. */ |
| 243 | cfg_set_int(pMac, WNI_CFG_PASSIVE_MAXIMUM_CHANNEL_TIME, |
| 244 | pMac->roam.configParam.nPassiveMaxChnTimeConc); |
| 245 | /* If multi-session, use the appropriate default scan times */ |
| 246 | if (scanType == eSIR_ACTIVE_SCAN) { |
| 247 | pScanRequest->maxChnTime = |
| 248 | pMac->roam.configParam.nActiveMaxChnTimeConc; |
| 249 | pScanRequest->minChnTime = |
| 250 | pMac->roam.configParam.nActiveMinChnTimeConc; |
| 251 | } else { |
| 252 | pScanRequest->maxChnTime = |
| 253 | pMac->roam.configParam.nPassiveMaxChnTimeConc; |
| 254 | pScanRequest->minChnTime = |
| 255 | pMac->roam.configParam.nPassiveMinChnTimeConc; |
| 256 | } |
| 257 | pScanRequest->restTime = pMac->roam.configParam.nRestTimeConc; |
| 258 | |
Agrawal Ashish | 17bb390 | 2016-05-05 13:29:40 +0530 | [diff] [blame] | 259 | pScanRequest->min_rest_time = |
| 260 | pMac->roam.configParam.min_rest_time_conc; |
| 261 | pScanRequest->idle_time = |
| 262 | pMac->roam.configParam.idle_time_conc; |
| 263 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 264 | /* Return so that fields set above will not be overwritten. */ |
| 265 | return; |
| 266 | } |
| 267 | #endif |
| 268 | |
| 269 | /* This portion of the code executed if multi-session not supported */ |
| 270 | /* (WLAN_AP_STA_CONCURRENCY not defined) or no multi-session. */ |
| 271 | /* Use the "regular" (non-concurrency) default scan timing. */ |
| 272 | cfg_set_int(pMac, WNI_CFG_PASSIVE_MAXIMUM_CHANNEL_TIME, |
| 273 | pMac->roam.configParam.nPassiveMaxChnTime); |
| 274 | if (pScanRequest->scanType == eSIR_ACTIVE_SCAN) { |
| 275 | pScanRequest->maxChnTime = |
| 276 | pMac->roam.configParam.nActiveMaxChnTime; |
| 277 | pScanRequest->minChnTime = |
| 278 | pMac->roam.configParam.nActiveMinChnTime; |
| 279 | } else { |
| 280 | pScanRequest->maxChnTime = |
| 281 | pMac->roam.configParam.nPassiveMaxChnTime; |
| 282 | pScanRequest->minChnTime = |
| 283 | pMac->roam.configParam.nPassiveMinChnTime; |
| 284 | } |
| 285 | #ifdef WLAN_AP_STA_CONCURRENCY |
Agrawal Ashish | 17bb390 | 2016-05-05 13:29:40 +0530 | [diff] [blame] | 286 | |
| 287 | /* No rest time/Idle time if no sessions are connected. */ |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 288 | pScanRequest->restTime = 0; |
Agrawal Ashish | 17bb390 | 2016-05-05 13:29:40 +0530 | [diff] [blame] | 289 | pScanRequest->min_rest_time = 0; |
| 290 | pScanRequest->idle_time = 0; |
| 291 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 292 | #endif |
| 293 | } |
| 294 | |
| 295 | /** |
| 296 | * csr_scan_2g_only_request() - This function will update the scan request with |
| 297 | * only 2.4GHz valid channel list. |
| 298 | * @mac_ctx: Pointer to Global MAC structure |
| 299 | * @scan_cmd scan cmd |
| 300 | * @scan_req scan req |
| 301 | * |
| 302 | * This function will update the scan request with only 2.4GHz valid channel |
| 303 | * list. |
| 304 | * |
| 305 | * @Return: status of operation |
| 306 | */ |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 307 | static QDF_STATUS |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 308 | csr_scan_2g_only_request(tpAniSirGlobal mac_ctx, |
| 309 | tSmeCmd *scan_cmd, |
| 310 | tCsrScanRequest *scan_req) |
| 311 | { |
| 312 | uint8_t idx, lst_sz = 0; |
| 313 | |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 314 | QDF_ASSERT(scan_cmd && scan_req); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 315 | /* To silence the KW tool null check is added */ |
| 316 | if ((scan_cmd == NULL) || (scan_req == NULL)) { |
| 317 | sms_log(mac_ctx, LOGE, |
| 318 | FL(" Scan Cmd or Scan Request is NULL ")); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 319 | return QDF_STATUS_E_INVAL; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 320 | } |
| 321 | |
| 322 | if (eCSR_SCAN_REQUEST_FULL_SCAN != scan_req->requestType) |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 323 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 324 | |
| 325 | sms_log(mac_ctx, LOG1, |
| 326 | FL("Scanning only 2G Channels during first scan")); |
| 327 | |
| 328 | /* Contsruct valid Supported 2.4 GHz Channel List */ |
| 329 | if (NULL == scan_req->ChannelInfo.ChannelList) { |
| 330 | scan_req->ChannelInfo.ChannelList = |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 331 | qdf_mem_malloc(NUM_24GHZ_CHANNELS); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 332 | if (NULL == scan_req->ChannelInfo.ChannelList) { |
| 333 | sms_log(mac_ctx, LOGE, FL("Memory allocation failed.")); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 334 | return QDF_STATUS_E_NOMEM; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 335 | } |
| 336 | for (idx = 1; idx <= NUM_24GHZ_CHANNELS; idx++) { |
| 337 | if (csr_is_supported_channel(mac_ctx, idx)) { |
| 338 | scan_req->ChannelInfo.ChannelList[lst_sz] = idx; |
| 339 | lst_sz++; |
| 340 | } |
| 341 | } |
| 342 | } else { |
| 343 | for (idx = 0; |
| 344 | idx < scan_req->ChannelInfo.numOfChannels; |
| 345 | idx++) { |
| 346 | if (scan_req->ChannelInfo.ChannelList[idx] <= |
| 347 | CDS_24_GHZ_CHANNEL_14 |
| 348 | && csr_is_supported_channel(mac_ctx, |
| 349 | scan_req->ChannelInfo.ChannelList[idx])) { |
| 350 | scan_req->ChannelInfo.ChannelList[lst_sz] = |
| 351 | scan_req->ChannelInfo.ChannelList[idx]; |
| 352 | lst_sz++; |
| 353 | } |
| 354 | } |
| 355 | } |
| 356 | scan_req->ChannelInfo.numOfChannels = lst_sz; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 357 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 358 | } |
| 359 | |
| 360 | static void |
| 361 | csr_set_scan_reason(tSmeCmd *scan_cmd, eCsrRequestType req_type) |
| 362 | { |
| 363 | switch (req_type) { |
| 364 | case eCSR_SCAN_REQUEST_11D_SCAN: |
| 365 | scan_cmd->u.scanCmd.reason = eCsrScan11d1; |
| 366 | break; |
| 367 | #ifdef SOFTAP_CHANNEL_RANGE |
| 368 | case eCSR_SCAN_SOFTAP_CHANNEL_RANGE: |
| 369 | #endif |
| 370 | case eCSR_SCAN_REQUEST_FULL_SCAN: |
| 371 | case eCSR_SCAN_P2P_DISCOVERY: |
| 372 | scan_cmd->u.scanCmd.reason = eCsrScanUserRequest; |
| 373 | break; |
| 374 | case eCSR_SCAN_HO_PROBE_SCAN: |
| 375 | scan_cmd->u.scanCmd.reason = eCsrScanProbeBss; |
| 376 | break; |
| 377 | case eCSR_SCAN_P2P_FIND_PEER: |
| 378 | scan_cmd->u.scanCmd.reason = eCsrScanP2PFindPeer; |
| 379 | break; |
| 380 | default: |
| 381 | break; |
| 382 | } |
| 383 | } |
| 384 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 385 | static QDF_STATUS |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 386 | csr_issue_11d_scan(tpAniSirGlobal mac_ctx, tSmeCmd *scan_cmd, |
| 387 | tCsrScanRequest *scan_req, uint16_t session_id) |
| 388 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 389 | QDF_STATUS status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 390 | tSmeCmd *scan_11d_cmd = NULL; |
| 391 | tCsrScanRequest tmp_rq; |
| 392 | tCsrChannelInfo *pChnInfo = &tmp_rq.ChannelInfo; |
| 393 | uint32_t numChn = mac_ctx->scan.base_channels.numChannels; |
| 394 | tCsrRoamSession *csr_session = CSR_GET_SESSION(mac_ctx, session_id); |
| 395 | |
| 396 | if (csr_session == NULL) { |
| 397 | sms_log(mac_ctx, LOGE, FL("session %d not found"), |
| 398 | session_id); |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 399 | QDF_ASSERT(0); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 400 | return QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 401 | } |
| 402 | |
| 403 | if (!(((false == mac_ctx->first_scan_done) |
| 404 | && (eCSR_SCAN_REQUEST_11D_SCAN != scan_req->requestType)) |
| 405 | #ifdef SOFTAP_CHANNEL_RANGE |
| 406 | && (eCSR_SCAN_SOFTAP_CHANNEL_RANGE != scan_req->requestType) |
| 407 | #endif |
| 408 | && (false == mac_ctx->scan.fEnableBypass11d))) |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 409 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 410 | |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 411 | qdf_mem_set(&tmp_rq, sizeof(tCsrScanRequest), 0); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 412 | scan_11d_cmd = csr_get_command_buffer(mac_ctx); |
| 413 | if (!scan_11d_cmd) { |
| 414 | sms_log(mac_ctx, LOGE, FL("scan_11d_cmd failed")); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 415 | return QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 416 | } |
| 417 | |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 418 | qdf_mem_set(&scan_11d_cmd->u.scanCmd, sizeof(tScanCmd), 0); |
| 419 | pChnInfo->ChannelList = qdf_mem_malloc(numChn); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 420 | if (NULL == pChnInfo->ChannelList) { |
| 421 | sms_log(mac_ctx, LOGE, FL("Failed to allocate memory")); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 422 | return QDF_STATUS_E_NOMEM; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 423 | } |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 424 | qdf_mem_copy(pChnInfo->ChannelList, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 425 | mac_ctx->scan.base_channels.channelList, numChn); |
| 426 | |
| 427 | pChnInfo->numOfChannels = (uint8_t) numChn; |
| 428 | scan_11d_cmd->command = eSmeCommandScan; |
| 429 | scan_11d_cmd->u.scanCmd.callback = mac_ctx->scan.callback11dScanDone; |
| 430 | scan_11d_cmd->u.scanCmd.pContext = NULL; |
| 431 | wma_get_scan_id(&scan_11d_cmd->u.scanCmd.scanID); |
| 432 | tmp_rq.BSSType = eCSR_BSS_TYPE_ANY; |
| 433 | tmp_rq.scan_id = scan_11d_cmd->u.scanCmd.scanID; |
| 434 | |
Anurag Chouhan | 210db07 | 2016-02-22 18:42:15 +0530 | [diff] [blame] | 435 | status = qdf_mc_timer_init(&scan_cmd->u.scanCmd.csr_scan_timer, |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 436 | QDF_TIMER_TYPE_SW, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 437 | csr_scan_active_list_timeout_handle, &scan_11d_cmd); |
| 438 | |
| 439 | if (csr_is11d_supported(mac_ctx)) { |
| 440 | tmp_rq.bcnRptReqScan = scan_req->bcnRptReqScan; |
| 441 | if (scan_req->bcnRptReqScan) |
| 442 | tmp_rq.scanType = scan_req->scanType ? |
| 443 | eSIR_PASSIVE_SCAN : scan_req->scanType; |
| 444 | else |
| 445 | tmp_rq.scanType = eSIR_PASSIVE_SCAN; |
| 446 | tmp_rq.requestType = eCSR_SCAN_REQUEST_11D_SCAN; |
| 447 | scan_11d_cmd->u.scanCmd.reason = eCsrScan11d1; |
| 448 | tmp_rq.maxChnTime = |
| 449 | mac_ctx->roam.configParam.nPassiveMaxChnTime; |
| 450 | tmp_rq.minChnTime = |
| 451 | mac_ctx->roam.configParam.nPassiveMinChnTime; |
| 452 | } else { |
| 453 | tmp_rq.bcnRptReqScan = scan_req->bcnRptReqScan; |
| 454 | if (scan_req->bcnRptReqScan) |
| 455 | tmp_rq.scanType = scan_req->scanType; |
| 456 | else |
| 457 | tmp_rq.scanType = eSIR_ACTIVE_SCAN; |
| 458 | tmp_rq.requestType = scan_req->requestType; |
| 459 | scan_11d_cmd->u.scanCmd.reason = scan_cmd->u.scanCmd.reason; |
| 460 | tmp_rq.maxChnTime = mac_ctx->roam.configParam.nActiveMaxChnTime; |
| 461 | tmp_rq.minChnTime = mac_ctx->roam.configParam.nActiveMinChnTime; |
| 462 | } |
| 463 | if (mac_ctx->roam.configParam.nInitialDwellTime) { |
| 464 | tmp_rq.maxChnTime = mac_ctx->roam.configParam.nInitialDwellTime; |
| 465 | sms_log(mac_ctx, LOG1, FL("11d scan, updating dwell time for first scan %u"), |
| 466 | tmp_rq.maxChnTime); |
| 467 | } |
| 468 | |
| 469 | status = csr_scan_copy_request(mac_ctx, |
| 470 | &scan_11d_cmd->u.scanCmd.u.scanRequest, &tmp_rq); |
| 471 | /* Free the channel list */ |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 472 | qdf_mem_free(pChnInfo->ChannelList); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 473 | pChnInfo->ChannelList = NULL; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 474 | if (!QDF_IS_STATUS_SUCCESS(status)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 475 | sms_log(mac_ctx, LOGE, FL("csr_scan_copy_request failed")); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 476 | return QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 477 | } |
| 478 | |
| 479 | mac_ctx->scan.scanProfile.numOfChannels = |
| 480 | scan_11d_cmd->u.scanCmd.u.scanRequest.ChannelInfo.numOfChannels; |
| 481 | |
| 482 | |
| 483 | status = csr_queue_sme_command(mac_ctx, scan_11d_cmd, false); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 484 | if (!QDF_IS_STATUS_SUCCESS(status)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 485 | sms_log(mac_ctx, LOGE, FL("Failed to send message status = %d"), |
| 486 | status); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 487 | return QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 488 | } |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 489 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 490 | } |
| 491 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 492 | QDF_STATUS csr_scan_request(tpAniSirGlobal pMac, uint16_t sessionId, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 493 | tCsrScanRequest *scan_req, |
| 494 | csr_scan_completeCallback callback, void *pContext) |
| 495 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 496 | QDF_STATUS status = QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 497 | tSmeCmd *scan_cmd = NULL; |
| 498 | tCsrScanRequest *pTempScanReq = NULL; |
| 499 | tCsrConfig *cfg_prm = &pMac->roam.configParam; |
| 500 | |
| 501 | if (scan_req == NULL) { |
| 502 | sms_log(pMac, LOGE, FL("scan_req is NULL")); |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 503 | QDF_ASSERT(0); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 504 | return status; |
| 505 | } |
| 506 | |
| 507 | /* |
| 508 | * During group formation, the P2P client scans for GO with the specific |
| 509 | * SSID. There will be chances of GO switching to other channels because |
| 510 | * of scan or to STA channel in case of STA+GO MCC scenario. So to |
| 511 | * increase the possibility of client to find the GO, the dwell time of |
| 512 | * scan is increased to 100ms. |
| 513 | * If the scan request is for specific SSId the length of SSID will be |
| 514 | * greater than 7 as SSID for p2p search contains "DIRECT-") |
| 515 | */ |
| 516 | if (scan_req->p2pSearch |
| 517 | && scan_req->SSIDs.numOfSSIDs |
| 518 | && (NULL != scan_req->SSIDs.SSIDList) |
| 519 | && (scan_req->SSIDs.SSIDList->SSID.length > DIRECT_SSID_LEN)) { |
| 520 | sms_log(pMac, LOG1, FL("P2P: Increasing the min and max Dwell time to %d for specific SSID scan %.*s"), |
| 521 | MAX_CHN_TIME_TO_FIND_GO, |
| 522 | scan_req->SSIDs.SSIDList->SSID.length, |
| 523 | scan_req->SSIDs.SSIDList->SSID.ssId); |
| 524 | scan_req->maxChnTime = MAX_CHN_TIME_TO_FIND_GO; |
| 525 | scan_req->minChnTime = MIN_CHN_TIME_TO_FIND_GO; |
| 526 | } |
| 527 | |
| 528 | if (!pMac->scan.fScanEnable) { |
| 529 | sms_log(pMac, LOGE, FL("SId: %d Scanning not enabled Scan type=%u, numOfSSIDs=%d P2P search=%d"), |
| 530 | sessionId, scan_req->requestType, |
| 531 | scan_req->SSIDs.numOfSSIDs, |
| 532 | scan_req->p2pSearch); |
| 533 | goto release_cmd; |
| 534 | } |
| 535 | |
| 536 | scan_cmd = csr_get_command_buffer(pMac); |
| 537 | if (!scan_cmd) { |
| 538 | sms_log(pMac, LOGE, FL("scan_cmd is NULL")); |
| 539 | goto release_cmd; |
| 540 | } |
| 541 | |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 542 | qdf_mem_set(&scan_cmd->u.scanCmd, sizeof(tScanCmd), 0); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 543 | scan_cmd->command = eSmeCommandScan; |
| 544 | scan_cmd->sessionId = sessionId; |
| 545 | if (scan_cmd->sessionId >= CSR_ROAM_SESSION_MAX) |
| 546 | sms_log(pMac, LOGE, FL("Invalid Sme SessionID: %d"), sessionId); |
| 547 | scan_cmd->u.scanCmd.callback = callback; |
| 548 | scan_cmd->u.scanCmd.pContext = pContext; |
| 549 | csr_set_scan_reason(scan_cmd, scan_req->requestType); |
| 550 | if (scan_req->minChnTime == 0 && scan_req->maxChnTime == 0) { |
| 551 | /* The caller doesn't set the time correctly. Set it here */ |
| 552 | csr_set_default_scan_timing(pMac, scan_req->scanType, scan_req); |
| 553 | sms_log(pMac, LOG1, |
| 554 | FL("Setting default min %d and max %d ChnTime"), |
| 555 | scan_req->minChnTime, scan_req->maxChnTime); |
| 556 | } |
| 557 | #ifdef WLAN_AP_STA_CONCURRENCY |
Agrawal Ashish | 17bb390 | 2016-05-05 13:29:40 +0530 | [diff] [blame] | 558 | /* |
| 559 | * Need to set restTime/min_Ret_time/idle_time |
| 560 | * only if at least one session is connected |
| 561 | */ |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 562 | if (scan_req->restTime == 0 && csr_is_any_session_connected(pMac)) { |
| 563 | scan_req->restTime = cfg_prm->nRestTimeConc; |
Agrawal Ashish | 17bb390 | 2016-05-05 13:29:40 +0530 | [diff] [blame] | 564 | scan_req->min_rest_time = cfg_prm->min_rest_time_conc; |
| 565 | scan_req->idle_time = cfg_prm->idle_time_conc; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 566 | if (scan_req->scanType == eSIR_ACTIVE_SCAN) { |
| 567 | scan_req->maxChnTime = cfg_prm->nActiveMaxChnTimeConc; |
| 568 | scan_req->minChnTime = cfg_prm->nActiveMinChnTimeConc; |
| 569 | } else { |
| 570 | scan_req->maxChnTime = cfg_prm->nPassiveMaxChnTimeConc; |
| 571 | scan_req->minChnTime = cfg_prm->nPassiveMinChnTimeConc; |
| 572 | } |
| 573 | } |
| 574 | #endif |
| 575 | /* Increase dwell time in case P2P Search and Miracast is not present */ |
| 576 | if (scan_req->p2pSearch && scan_req->ChannelInfo.numOfChannels |
| 577 | == P2P_SOCIAL_CHANNELS && (!(pMac->sme.miracast_value))) { |
| 578 | scan_req->maxChnTime += P2P_SEARCH_DWELL_TIME_INCREASE; |
| 579 | } |
| 580 | scan_cmd->u.scanCmd.scanID = scan_req->scan_id; |
| 581 | /* |
| 582 | * If it is the first scan request from HDD, CSR checks if it is for 11d |
| 583 | * If it is not, CSR will save the scan request in the pending cmd queue |
| 584 | * & issue an 11d scan request to PE. |
| 585 | */ |
| 586 | status = csr_issue_11d_scan(pMac, scan_cmd, scan_req, sessionId); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 587 | if (status != QDF_STATUS_SUCCESS) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 588 | goto release_cmd; |
| 589 | |
| 590 | /* |
| 591 | * Scan only 2G Channels if set in ini file. This is mainly to reduce |
| 592 | * the First Scan duration once we turn on Wifi |
| 593 | */ |
| 594 | if (pMac->scan.fFirstScanOnly2GChnl |
| 595 | && false == pMac->first_scan_done) { |
| 596 | csr_scan_2g_only_request(pMac, scan_cmd, scan_req); |
| 597 | pMac->first_scan_done = true; |
| 598 | } |
| 599 | |
| 600 | |
| 601 | if (cfg_prm->nInitialDwellTime) { |
| 602 | scan_req->maxChnTime = cfg_prm->nInitialDwellTime; |
| 603 | cfg_prm->nInitialDwellTime = 0; |
| 604 | sms_log(pMac, LOG1, FL("updating dwell time for first scan %u"), |
| 605 | scan_req->maxChnTime); |
| 606 | } |
Gupta, Kapil | 96c7f2f | 2016-04-25 19:13:41 +0530 | [diff] [blame] | 607 | scan_req->scan_adaptive_dwell_mode = cfg_prm->scan_adaptive_dwell_mode; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 608 | |
| 609 | status = csr_scan_copy_request(pMac, &scan_cmd->u.scanCmd.u.scanRequest, |
| 610 | scan_req); |
| 611 | /* |
| 612 | * Reset the variable after the first scan is queued after loading the |
| 613 | * driver. The purpose of this parameter is that DFS channels are |
| 614 | * skipped during the first scan after loading the driver. The above API |
| 615 | * builds the target scan request in which this variable is used. |
| 616 | */ |
| 617 | cfg_prm->initial_scan_no_dfs_chnl = 0; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 618 | if (!QDF_IS_STATUS_SUCCESS(status)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 619 | sms_log(pMac, LOGE, |
| 620 | FL("fail to copy request status = %d"), status); |
| 621 | goto release_cmd; |
| 622 | } |
| 623 | |
| 624 | pTempScanReq = &scan_cmd->u.scanCmd.u.scanRequest; |
| 625 | pMac->scan.scanProfile.numOfChannels = |
| 626 | pTempScanReq->ChannelInfo.numOfChannels; |
Anurag Chouhan | 210db07 | 2016-02-22 18:42:15 +0530 | [diff] [blame] | 627 | status = qdf_mc_timer_init(&scan_cmd->u.scanCmd.csr_scan_timer, |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 628 | QDF_TIMER_TYPE_SW, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 629 | csr_scan_active_list_timeout_handle, scan_cmd); |
| 630 | sms_log(pMac, LOG1, |
| 631 | FL("SId=%d scanId=%d Scan reason=%u numSSIDs=%d numChan=%d P2P search=%d minCT=%d maxCT=%d uIEFieldLen=%d"), |
| 632 | sessionId, scan_cmd->u.scanCmd.scanID, |
| 633 | scan_cmd->u.scanCmd.reason, pTempScanReq->SSIDs.numOfSSIDs, |
| 634 | pTempScanReq->ChannelInfo.numOfChannels, |
| 635 | pTempScanReq->p2pSearch, pTempScanReq->minChnTime, |
| 636 | pTempScanReq->maxChnTime, pTempScanReq->uIEFieldLen); |
| 637 | |
| 638 | status = csr_queue_sme_command(pMac, scan_cmd, false); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 639 | if (!QDF_IS_STATUS_SUCCESS(status)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 640 | sms_log(pMac, LOGE, |
| 641 | FL("fail to send message status = %d"), status); |
| 642 | } |
| 643 | |
| 644 | release_cmd: |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 645 | if (!QDF_IS_STATUS_SUCCESS(status) && scan_cmd) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 646 | sms_log(pMac, LOGE, FL(" SId: %d Failed with status=%d" |
| 647 | " Scan reason=%u numOfSSIDs=%d" |
| 648 | " P2P search=%d scanId=%d"), |
| 649 | sessionId, status, scan_cmd->u.scanCmd.reason, |
| 650 | scan_req->SSIDs.numOfSSIDs, scan_req->p2pSearch, |
| 651 | scan_cmd->u.scanCmd.scanID); |
| 652 | csr_release_command_scan(pMac, scan_cmd); |
| 653 | } |
| 654 | |
| 655 | return status; |
| 656 | } |
| 657 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 658 | QDF_STATUS csr_issue_roam_after_lostlink_scan(tpAniSirGlobal pMac, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 659 | uint32_t sessionId, |
| 660 | eCsrRoamReason reason) |
| 661 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 662 | QDF_STATUS status = QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 663 | tScanResultHandle hBSSList = NULL; |
| 664 | tCsrScanResultFilter *pScanFilter = NULL; |
| 665 | uint32_t roamId = 0; |
| 666 | tCsrRoamProfile *pProfile = NULL; |
| 667 | tCsrRoamSession *pSession = CSR_GET_SESSION(pMac, sessionId); |
| 668 | |
| 669 | if (!pSession) { |
| 670 | sms_log(pMac, LOGE, FL("session %d not found"), sessionId); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 671 | return QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 672 | } |
| 673 | |
| 674 | sms_log(pMac, LOG1, FL("Entry")); |
| 675 | if (pSession->fCancelRoaming) { |
| 676 | sms_log(pMac, LOGW, FL("lost link roaming canceled")); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 677 | status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 678 | goto free_filter; |
| 679 | } |
| 680 | /* Here is the profile we need to connect to */ |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 681 | pScanFilter = qdf_mem_malloc(sizeof(tCsrScanResultFilter)); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 682 | if (NULL == pScanFilter) { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 683 | status = QDF_STATUS_E_NOMEM; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 684 | goto free_filter; |
| 685 | } |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 686 | qdf_mem_set(pScanFilter, sizeof(tCsrScanResultFilter), 0); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 687 | if (NULL == pSession->pCurRoamProfile) { |
| 688 | pScanFilter->EncryptionType.numEntries = 1; |
| 689 | pScanFilter->EncryptionType.encryptionType[0] = |
| 690 | eCSR_ENCRYPT_TYPE_NONE; |
| 691 | } else { |
| 692 | /* |
| 693 | * We have to make a copy of pCurRoamProfile because it will |
| 694 | * be free inside csr_roam_issue_connect |
| 695 | */ |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 696 | pProfile = qdf_mem_malloc(sizeof(tCsrRoamProfile)); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 697 | if (NULL == pProfile) { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 698 | status = QDF_STATUS_E_NOMEM; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 699 | goto free_filter; |
| 700 | } |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 701 | qdf_mem_set(pProfile, sizeof(tCsrRoamProfile), 0); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 702 | status = csr_roam_copy_profile(pMac, pProfile, |
| 703 | pSession->pCurRoamProfile); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 704 | if (!QDF_IS_STATUS_SUCCESS(status)) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 705 | goto free_filter; |
| 706 | status = csr_roam_prepare_filter_from_profile(pMac, pProfile, |
| 707 | pScanFilter); |
| 708 | } /* We have a profile */ |
| 709 | roamId = GET_NEXT_ROAM_ID(&pMac->roam); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 710 | if (!QDF_IS_STATUS_SUCCESS(status)) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 711 | goto free_filter; |
| 712 | |
| 713 | status = csr_scan_get_result(pMac, pScanFilter, &hBSSList); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 714 | if (!QDF_IS_STATUS_SUCCESS(status)) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 715 | goto free_filter; |
| 716 | |
| 717 | if (eCsrLostLink1 == reason) { |
| 718 | /* if possible put the last connected BSS in beginning */ |
| 719 | csr_move_bss_to_head_from_bssid(pMac, |
| 720 | &pSession->connectedProfile.bssid, hBSSList); |
| 721 | } |
| 722 | status = csr_roam_issue_connect(pMac, sessionId, pProfile, hBSSList, |
| 723 | reason, roamId, true, true); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 724 | if (!QDF_IS_STATUS_SUCCESS(status)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 725 | csr_scan_result_purge(pMac, hBSSList); |
| 726 | } |
| 727 | |
| 728 | free_filter: |
| 729 | if (pScanFilter) { |
| 730 | /* we need to free memory for filter if profile exists */ |
| 731 | csr_free_scan_filter(pMac, pScanFilter); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 732 | qdf_mem_free(pScanFilter); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 733 | } |
| 734 | if (NULL != pProfile) { |
| 735 | csr_release_profile(pMac, pProfile); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 736 | qdf_mem_free(pProfile); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 737 | } |
| 738 | return status; |
| 739 | } |
| 740 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 741 | QDF_STATUS csr_scan_handle_failed_lostlink1(tpAniSirGlobal pMac, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 742 | uint32_t sessionId) |
| 743 | { |
| 744 | tCsrRoamSession *pSession = CSR_GET_SESSION(pMac, sessionId); |
| 745 | |
| 746 | if (!pSession) { |
| 747 | sms_log(pMac, LOGE, FL("session %d not found"), sessionId); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 748 | return QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 749 | } |
| 750 | sms_log(pMac, LOGW, "Lost link scan 1 failed"); |
| 751 | if (pSession->fCancelRoaming) |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 752 | return QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 753 | if (!pSession->pCurRoamProfile) |
| 754 | return csr_scan_request_lost_link3(pMac, sessionId); |
| 755 | /* |
| 756 | * We fail lostlink1 but there may be other BSS in the cached result |
| 757 | * fit the profile. Give it a try first |
| 758 | */ |
| 759 | if (pSession->pCurRoamProfile->SSIDs.numOfSSIDs == 0 || |
| 760 | pSession->pCurRoamProfile->SSIDs.numOfSSIDs > 1) |
| 761 | /* try lostlink scan2 */ |
| 762 | return csr_scan_request_lost_link2(pMac, sessionId); |
| 763 | if (!pSession->pCurRoamProfile->ChannelInfo.ChannelList |
| 764 | || pSession->pCurRoamProfile->ChannelInfo.ChannelList[0] == 0) { |
| 765 | /* go straight to lostlink scan3 */ |
| 766 | return csr_scan_request_lost_link3(pMac, sessionId); |
| 767 | } |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 768 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 769 | } |
| 770 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 771 | QDF_STATUS csr_scan_handle_failed_lostlink2(tpAniSirGlobal pMac, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 772 | uint32_t sessionId) |
| 773 | { |
| 774 | tCsrRoamSession *pSession = CSR_GET_SESSION(pMac, sessionId); |
| 775 | |
| 776 | if (!pSession) { |
| 777 | sms_log(pMac, LOGE, FL("session %d not found"), sessionId); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 778 | return QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 779 | } |
| 780 | |
| 781 | sms_log(pMac, LOGW, "Lost link scan 2 failed"); |
| 782 | if (pSession->fCancelRoaming) |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 783 | return QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 784 | |
| 785 | if (!pSession->pCurRoamProfile |
| 786 | || !pSession->pCurRoamProfile->ChannelInfo.ChannelList |
| 787 | || pSession->pCurRoamProfile->ChannelInfo.ChannelList[0] == 0) { |
| 788 | /* try lostlink scan3 */ |
| 789 | return csr_scan_request_lost_link3(pMac, sessionId); |
| 790 | } |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 791 | return QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 792 | } |
| 793 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 794 | QDF_STATUS csr_scan_handle_failed_lostlink3(tpAniSirGlobal pMac, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 795 | uint32_t sessionId) |
| 796 | { |
| 797 | sms_log(pMac, LOGW, "Lost link scan 3 failed"); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 798 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 799 | } |
| 800 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 801 | static QDF_STATUS |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 802 | csr_update_lost_link1_cmd(tpAniSirGlobal mac_ctx, tSmeCmd *cmd, |
| 803 | tCsrRoamSession *pSession, uint32_t session_id) |
| 804 | { |
| 805 | uint8_t i, num_ch = 0; |
| 806 | tScanResultHandle bss_lst = NULL; |
| 807 | tCsrScanResultInfo *scan_result = NULL; |
| 808 | tCsrScanResultFilter *scan_filter = NULL; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 809 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 810 | tCsrSSIDs *ssid_list = &cmd->u.scanCmd.u.scanRequest.SSIDs; |
| 811 | tCsrChannelInfo *ch_info = &cmd->u.scanCmd.u.scanRequest.ChannelInfo; |
| 812 | |
| 813 | cmd->command = eSmeCommandScan; |
| 814 | cmd->sessionId = (uint8_t) session_id; |
| 815 | cmd->u.scanCmd.reason = eCsrScanLostLink1; |
| 816 | cmd->u.scanCmd.callback = NULL; |
| 817 | cmd->u.scanCmd.pContext = NULL; |
| 818 | cmd->u.scanCmd.u.scanRequest.maxChnTime = |
| 819 | mac_ctx->roam.configParam.nActiveMaxChnTime; |
| 820 | cmd->u.scanCmd.u.scanRequest.minChnTime = |
| 821 | mac_ctx->roam.configParam.nActiveMinChnTime; |
| 822 | cmd->u.scanCmd.u.scanRequest.scanType = eSIR_ACTIVE_SCAN; |
| 823 | wma_get_scan_id(&cmd->u.scanCmd.scanID); |
Anurag Chouhan | 210db07 | 2016-02-22 18:42:15 +0530 | [diff] [blame] | 824 | status = qdf_mc_timer_init(&cmd->u.scanCmd.csr_scan_timer, |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 825 | QDF_TIMER_TYPE_SW, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 826 | csr_scan_active_list_timeout_handle, &cmd); |
| 827 | cmd->u.scanCmd.u.scanRequest.scan_id = |
| 828 | cmd->u.scanCmd.scanID; |
| 829 | |
| 830 | if (pSession->connectedProfile.SSID.length) { |
| 831 | /* |
| 832 | * on error: following memory will be released by call to |
| 833 | * csr_release_command_scan in the end |
| 834 | */ |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 835 | ssid_list->SSIDList = qdf_mem_malloc(sizeof(tCsrSSIDInfo)); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 836 | if (NULL == ssid_list->SSIDList) |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 837 | return QDF_STATUS_E_NOMEM; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 838 | ssid_list->numOfSSIDs = 1; |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 839 | qdf_mem_copy(&ssid_list->SSIDList[0].SSID, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 840 | &pSession->connectedProfile.SSID, |
| 841 | sizeof(tSirMacSSid)); |
| 842 | } else { |
| 843 | ssid_list->numOfSSIDs = 0; |
| 844 | } |
| 845 | |
| 846 | if (!pSession->pCurRoamProfile) |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 847 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 848 | |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 849 | scan_filter = qdf_mem_malloc(sizeof(tCsrScanResultFilter)); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 850 | if (NULL == scan_filter) |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 851 | return QDF_STATUS_E_NOMEM; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 852 | |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 853 | qdf_mem_set(scan_filter, sizeof(tCsrScanResultFilter), 0); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 854 | status = csr_roam_prepare_filter_from_profile(mac_ctx, |
| 855 | pSession->pCurRoamProfile, scan_filter); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 856 | if (!QDF_IS_STATUS_SUCCESS(status)) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 857 | goto free_lost_link1_local_mem; |
| 858 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 859 | if (!(QDF_IS_STATUS_SUCCESS(csr_scan_get_result(mac_ctx, scan_filter, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 860 | &bss_lst)) && bss_lst)) { |
| 861 | if (csr_roam_is_channel_valid(mac_ctx, |
| 862 | pSession->connectedProfile.operationChannel)) { |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 863 | ch_info->ChannelList = qdf_mem_malloc(1); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 864 | if (NULL == ch_info->ChannelList) { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 865 | status = QDF_STATUS_E_NOMEM; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 866 | goto free_lost_link1_local_mem; |
| 867 | } |
| 868 | ch_info->ChannelList[0] = |
| 869 | pSession->connectedProfile.operationChannel; |
| 870 | ch_info->numOfChannels = 1; |
| 871 | } |
Arif Hussain | d3bf111 | 2016-07-29 10:16:53 -0700 | [diff] [blame] | 872 | csr_free_scan_filter(mac_ctx, scan_filter); |
| 873 | qdf_mem_free(scan_filter); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 874 | return status; |
| 875 | } |
| 876 | |
| 877 | /* on error: this mem will be released by csr_release_command_scan */ |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 878 | ch_info->ChannelList = qdf_mem_malloc(WNI_CFG_VALID_CHANNEL_LIST_LEN); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 879 | if (NULL == ch_info->ChannelList) { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 880 | status = QDF_STATUS_E_NOMEM; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 881 | goto free_lost_link1_local_mem; |
| 882 | } |
| 883 | |
| 884 | scan_result = csr_scan_result_get_next(mac_ctx, bss_lst); |
| 885 | while (scan_result != NULL && num_ch < WNI_CFG_VALID_CHANNEL_LIST_LEN) { |
| 886 | for (i = 0; i < num_ch; i++) { |
| 887 | if (ch_info->ChannelList[i] == |
| 888 | scan_result->BssDescriptor.channelId) |
| 889 | break; |
| 890 | } |
| 891 | if (i == num_ch) |
| 892 | ch_info->ChannelList[num_ch++] = |
| 893 | scan_result->BssDescriptor.channelId; |
| 894 | scan_result = csr_scan_result_get_next(mac_ctx, bss_lst); |
| 895 | } |
| 896 | /* Include the last connected BSS' channel */ |
| 897 | if (csr_roam_is_channel_valid(mac_ctx, |
| 898 | pSession->connectedProfile.operationChannel)) { |
| 899 | for (i = 0; i < num_ch; i++) { |
| 900 | if (ch_info->ChannelList[i] == |
| 901 | pSession->connectedProfile.operationChannel) |
| 902 | break; |
| 903 | } |
| 904 | if (i == num_ch) |
| 905 | ch_info->ChannelList[num_ch++] = |
| 906 | pSession->connectedProfile.operationChannel; |
| 907 | } |
| 908 | ch_info->numOfChannels = num_ch; |
| 909 | free_lost_link1_local_mem: |
| 910 | if (scan_filter) { |
| 911 | csr_free_scan_filter(mac_ctx, scan_filter); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 912 | qdf_mem_free(scan_filter); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 913 | } |
| 914 | if (bss_lst) |
| 915 | csr_scan_result_purge(mac_ctx, bss_lst); |
| 916 | return status; |
| 917 | } |
| 918 | |
| 919 | /** |
| 920 | * csr_scan_request_lost_link1() - start scan on link lost 1 |
| 921 | * @mac_ctx: mac global context |
| 922 | * @session_id: session id |
| 923 | * |
| 924 | * Lostlink1 scan is to actively scan the last connected profile's SSID on all |
| 925 | * matched BSS channels. If no roam profile (it should not), it is like |
| 926 | * lostlinkscan3 |
| 927 | * |
| 928 | * Return: status of operation |
| 929 | */ |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 930 | QDF_STATUS |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 931 | csr_scan_request_lost_link1(tpAniSirGlobal mac_ctx, uint32_t session_id) |
| 932 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 933 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 934 | tSmeCmd *cmd = NULL; |
| 935 | tCsrRoamSession *session = CSR_GET_SESSION(mac_ctx, session_id); |
| 936 | |
| 937 | if (!session) { |
| 938 | sms_log(mac_ctx, LOGE, FL("session %d not found"), session_id); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 939 | return QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 940 | } |
| 941 | |
| 942 | sms_log(mac_ctx, LOGW, FL("Entry")); |
| 943 | cmd = csr_get_command_buffer(mac_ctx); |
| 944 | if (!cmd) { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 945 | status = QDF_STATUS_E_RESOURCES; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 946 | goto release_lost_link1_cmd; |
| 947 | } |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 948 | qdf_mem_set(&cmd->u.scanCmd, sizeof(tScanCmd), 0); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 949 | status = csr_update_lost_link1_cmd(mac_ctx, cmd, session, session_id); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 950 | if (!QDF_IS_STATUS_SUCCESS(status)) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 951 | goto release_lost_link1_cmd; |
| 952 | |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 953 | qdf_mem_set(&cmd->u.scanCmd.u.scanRequest.bssid, |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 954 | sizeof(struct qdf_mac_addr), 0xFF); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 955 | status = csr_queue_sme_command(mac_ctx, cmd, false); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 956 | if (!QDF_IS_STATUS_SUCCESS(status)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 957 | sms_log(mac_ctx, LOGE, |
| 958 | FL("fail to send message status = %d"), status); |
| 959 | } |
| 960 | |
| 961 | release_lost_link1_cmd: |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 962 | if (!QDF_IS_STATUS_SUCCESS(status)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 963 | sms_log(mac_ctx, LOGW, FL("failed with status %d"), status); |
| 964 | if (cmd) |
| 965 | csr_release_command_scan(mac_ctx, cmd); |
| 966 | status = csr_scan_handle_failed_lostlink1(mac_ctx, session_id); |
| 967 | } |
| 968 | return status; |
| 969 | } |
| 970 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 971 | static QDF_STATUS |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 972 | csr_update_lost_link2_cmd(tpAniSirGlobal mac_ctx, tSmeCmd *cmd, |
| 973 | uint32_t session_id, tCsrRoamSession *session) |
| 974 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 975 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 976 | uint8_t i, num_ch = 0; |
| 977 | tScanResultHandle bss_lst = NULL; |
| 978 | tCsrScanResultInfo *scan_result = NULL; |
| 979 | tCsrScanResultFilter *scan_fltr = NULL; |
| 980 | tCsrChannelInfo *ch_info = &cmd->u.scanCmd.u.scanRequest.ChannelInfo; |
| 981 | |
| 982 | cmd->command = eSmeCommandScan; |
| 983 | cmd->sessionId = (uint8_t) session_id; |
| 984 | cmd->u.scanCmd.reason = eCsrScanLostLink2; |
| 985 | cmd->u.scanCmd.callback = NULL; |
| 986 | cmd->u.scanCmd.pContext = NULL; |
| 987 | cmd->u.scanCmd.u.scanRequest.maxChnTime = |
| 988 | mac_ctx->roam.configParam.nActiveMaxChnTime; |
| 989 | cmd->u.scanCmd.u.scanRequest.minChnTime = |
| 990 | mac_ctx->roam.configParam.nActiveMinChnTime; |
| 991 | cmd->u.scanCmd.u.scanRequest.scanType = eSIR_ACTIVE_SCAN; |
| 992 | wma_get_scan_id(&cmd->u.scanCmd.scanID); |
| 993 | cmd->u.scanCmd.u.scanRequest.scan_id = |
| 994 | cmd->u.scanCmd.scanID; |
| 995 | if (!session->pCurRoamProfile) |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 996 | return QDF_STATUS_SUCCESS; |
Anurag Chouhan | 210db07 | 2016-02-22 18:42:15 +0530 | [diff] [blame] | 997 | status = qdf_mc_timer_init(&cmd->u.scanCmd.csr_scan_timer, |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 998 | QDF_TIMER_TYPE_SW, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 999 | csr_scan_active_list_timeout_handle, &cmd); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 1000 | scan_fltr = qdf_mem_malloc(sizeof(tCsrScanResultFilter)); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1001 | if (NULL == scan_fltr) |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1002 | return QDF_STATUS_E_NOMEM; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1003 | |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 1004 | qdf_mem_set(scan_fltr, sizeof(tCsrScanResultFilter), 0); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1005 | status = csr_roam_prepare_filter_from_profile(mac_ctx, |
| 1006 | session->pCurRoamProfile, scan_fltr); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1007 | if (!QDF_IS_STATUS_SUCCESS(status)) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1008 | goto free_lost_link2_local_mem; |
| 1009 | |
| 1010 | status = csr_scan_get_result(mac_ctx, scan_fltr, &bss_lst); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1011 | if (!QDF_IS_STATUS_SUCCESS(status)) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1012 | goto free_lost_link2_local_mem; |
| 1013 | |
| 1014 | if (!bss_lst) |
| 1015 | goto free_lost_link2_local_mem; |
| 1016 | |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 1017 | ch_info->ChannelList = qdf_mem_malloc(WNI_CFG_VALID_CHANNEL_LIST_LEN); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1018 | if (NULL == ch_info->ChannelList) { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1019 | status = QDF_STATUS_E_NOMEM; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1020 | goto free_lost_link2_local_mem; |
| 1021 | } |
| 1022 | scan_result = csr_scan_result_get_next(mac_ctx, bss_lst); |
| 1023 | while (scan_result != NULL && num_ch < WNI_CFG_VALID_CHANNEL_LIST_LEN) { |
| 1024 | for (i = 0; i < num_ch; i++) { |
| 1025 | if (ch_info->ChannelList[i] == |
| 1026 | scan_result->BssDescriptor.channelId) |
| 1027 | break; |
| 1028 | } |
| 1029 | if (i == num_ch) |
| 1030 | ch_info->ChannelList[num_ch++] = |
| 1031 | scan_result->BssDescriptor.channelId; |
| 1032 | scan_result = csr_scan_result_get_next(mac_ctx, bss_lst); |
| 1033 | } |
| 1034 | ch_info->numOfChannels = num_ch; |
| 1035 | |
| 1036 | free_lost_link2_local_mem: |
| 1037 | if (scan_fltr) { |
| 1038 | csr_free_scan_filter(mac_ctx, scan_fltr); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 1039 | qdf_mem_free(scan_fltr); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1040 | } |
| 1041 | if (bss_lst) |
| 1042 | csr_scan_result_purge(mac_ctx, bss_lst); |
| 1043 | return status; |
| 1044 | } |
| 1045 | |
| 1046 | /** |
| 1047 | * csr_scan_request_lost_link2() - start scan on link lost 2 |
| 1048 | * @mac_ctx: mac global context |
| 1049 | * @session_id: session id |
| 1050 | * |
| 1051 | * Lostlink2 scan is to actively scan the all SSIDs of the last roaming |
| 1052 | * profile's on all matched BSS channels. Since MAC doesn't support multiple |
| 1053 | * SSID, we scan all SSIDs and filter them afterwards |
| 1054 | * |
| 1055 | * Return: status of operation |
| 1056 | */ |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1057 | QDF_STATUS |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1058 | csr_scan_request_lost_link2(tpAniSirGlobal mac_ctx, uint32_t session_id) |
| 1059 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1060 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1061 | tSmeCmd *cmd = NULL; |
| 1062 | tCsrRoamSession *session = CSR_GET_SESSION(mac_ctx, session_id); |
| 1063 | |
| 1064 | if (!session) { |
| 1065 | sms_log(mac_ctx, LOGE, FL("session %d not found"), session_id); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1066 | return QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1067 | } |
| 1068 | |
| 1069 | sms_log(mac_ctx, LOGW, FL(" called")); |
| 1070 | cmd = csr_get_command_buffer(mac_ctx); |
| 1071 | if (!cmd) { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1072 | status = QDF_STATUS_E_RESOURCES; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1073 | goto release_lost_link2_cmd; |
| 1074 | } |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 1075 | qdf_mem_set(&cmd->u.scanCmd, sizeof(tScanCmd), 0); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1076 | status = csr_update_lost_link2_cmd(mac_ctx, cmd, session_id, session); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1077 | if (!QDF_IS_STATUS_SUCCESS(status)) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1078 | goto release_lost_link2_cmd; |
| 1079 | |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 1080 | qdf_mem_set(&cmd->u.scanCmd.u.scanRequest.bssid, |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 1081 | sizeof(struct qdf_mac_addr), 0xFF); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1082 | /* Put to the head in pending queue */ |
| 1083 | status = csr_queue_sme_command(mac_ctx, cmd, true); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1084 | if (!QDF_IS_STATUS_SUCCESS(status)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1085 | sms_log(mac_ctx, LOGE, |
| 1086 | FL("fail to send message status = %d"), status); |
| 1087 | goto release_lost_link2_cmd; |
| 1088 | } |
| 1089 | |
| 1090 | release_lost_link2_cmd: |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1091 | if (!QDF_IS_STATUS_SUCCESS(status)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1092 | sms_log(mac_ctx, LOGW, FL("failed with status %d"), status); |
| 1093 | if (cmd) |
| 1094 | csr_release_command_scan(mac_ctx, cmd); |
| 1095 | status = csr_scan_handle_failed_lostlink2(mac_ctx, session_id); |
| 1096 | } |
| 1097 | return status; |
| 1098 | } |
| 1099 | |
| 1100 | /** |
| 1101 | * csr_scan_request_lost_link3() - To actively scan all valid channels |
| 1102 | * @mac_ctx: mac global context |
| 1103 | * @session_id: session id |
| 1104 | * |
| 1105 | * Return: status of operation |
| 1106 | */ |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1107 | QDF_STATUS |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1108 | csr_scan_request_lost_link3(tpAniSirGlobal mac_ctx, uint32_t session_id) |
| 1109 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1110 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1111 | tSmeCmd *cmd; |
| 1112 | |
| 1113 | sms_log(mac_ctx, LOGW, FL(" called")); |
| 1114 | do { |
| 1115 | cmd = csr_get_command_buffer(mac_ctx); |
| 1116 | if (!cmd) { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1117 | status = QDF_STATUS_E_RESOURCES; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1118 | break; |
| 1119 | } |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 1120 | qdf_mem_set(&cmd->u.scanCmd, sizeof(tScanCmd), 0); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1121 | cmd->command = eSmeCommandScan; |
| 1122 | cmd->sessionId = (uint8_t) session_id; |
| 1123 | cmd->u.scanCmd.reason = eCsrScanLostLink3; |
| 1124 | cmd->u.scanCmd.callback = NULL; |
| 1125 | cmd->u.scanCmd.pContext = NULL; |
| 1126 | cmd->u.scanCmd.u.scanRequest.maxChnTime = |
| 1127 | mac_ctx->roam.configParam.nActiveMaxChnTime; |
| 1128 | cmd->u.scanCmd.u.scanRequest.minChnTime = |
| 1129 | mac_ctx->roam.configParam.nActiveMinChnTime; |
| 1130 | cmd->u.scanCmd.u.scanRequest.scanType = eSIR_ACTIVE_SCAN; |
| 1131 | wma_get_scan_id(&cmd->u.scanCmd.scanID); |
Anurag Chouhan | 210db07 | 2016-02-22 18:42:15 +0530 | [diff] [blame] | 1132 | status = qdf_mc_timer_init(&cmd->u.scanCmd.csr_scan_timer, |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 1133 | QDF_TIMER_TYPE_SW, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1134 | csr_scan_active_list_timeout_handle, &cmd); |
| 1135 | cmd->u.scanCmd.u.scanRequest.scan_id = |
| 1136 | cmd->u.scanCmd.scanID; |
Anurag Chouhan | c554842 | 2016-02-24 18:33:27 +0530 | [diff] [blame] | 1137 | qdf_set_macaddr_broadcast(&cmd->u.scanCmd.u.scanRequest.bssid); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1138 | /* Put to the head of pending queue */ |
| 1139 | status = csr_queue_sme_command(mac_ctx, cmd, true); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1140 | if (!QDF_IS_STATUS_SUCCESS(status)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1141 | sms_log(mac_ctx, LOGE, |
| 1142 | FL("fail to send message status = %d"), status); |
| 1143 | break; |
| 1144 | } |
| 1145 | } while (0); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1146 | if (!QDF_IS_STATUS_SUCCESS(status)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1147 | sms_log(mac_ctx, LOGW, FL("failed with status %d"), status); |
| 1148 | if (cmd) |
| 1149 | csr_release_command_scan(mac_ctx, cmd); |
| 1150 | } |
| 1151 | |
| 1152 | return status; |
| 1153 | } |
| 1154 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1155 | QDF_STATUS csr_scan_handle_search_for_ssid(tpAniSirGlobal pMac, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1156 | tSmeCmd *pCommand) |
| 1157 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1158 | QDF_STATUS status = QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1159 | tScanResultHandle hBSSList = CSR_INVALID_SCANRESULT_HANDLE; |
| 1160 | tCsrScanResultFilter *pScanFilter = NULL; |
| 1161 | tCsrRoamProfile *pProfile = pCommand->u.scanCmd.pToRoamProfile; |
| 1162 | uint32_t sessionId = pCommand->sessionId; |
| 1163 | |
| 1164 | do { |
| 1165 | /* If this scan is for LFR */ |
| 1166 | if (pMac->roam.neighborRoamInfo[sessionId].uOsRequestedHandoff) { |
| 1167 | /* notify LFR state m/c */ |
| 1168 | status = csr_neighbor_roam_sssid_scan_done(pMac, |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1169 | sessionId, QDF_STATUS_SUCCESS); |
| 1170 | if (QDF_STATUS_SUCCESS != status) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1171 | csr_neighbor_roam_start_lfr_scan(pMac, |
| 1172 | sessionId); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1173 | status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1174 | break; |
| 1175 | } |
| 1176 | /* |
| 1177 | * If there is roam command waiting, ignore this roam because |
| 1178 | * the newer roam command is the one to execute |
| 1179 | */ |
| 1180 | if (csr_is_roam_command_waiting_for_session(pMac, sessionId)) { |
| 1181 | sms_log(pMac, LOGW, |
| 1182 | FL("aborts because roam command waiting")); |
| 1183 | break; |
| 1184 | } |
| 1185 | if (pProfile == NULL) |
| 1186 | break; |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 1187 | pScanFilter = qdf_mem_malloc(sizeof(tCsrScanResultFilter)); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1188 | if (NULL == pScanFilter) { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1189 | status = QDF_STATUS_E_NOMEM; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1190 | break; |
| 1191 | } |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 1192 | qdf_mem_set(pScanFilter, sizeof(tCsrScanResultFilter), 0); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1193 | status = csr_roam_prepare_filter_from_profile(pMac, pProfile, |
| 1194 | pScanFilter); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1195 | if (!QDF_IS_STATUS_SUCCESS(status)) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1196 | break; |
| 1197 | status = csr_scan_get_result(pMac, pScanFilter, &hBSSList); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1198 | if (!QDF_IS_STATUS_SUCCESS(status)) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1199 | break; |
kaliu | 154d789 | 2015-12-30 17:27:58 +0530 | [diff] [blame] | 1200 | if (pMac->roam.roamSession[sessionId].connectState == |
| 1201 | eCSR_ASSOC_STATE_TYPE_INFRA_DISCONNECTING) { |
| 1202 | sms_log(pMac, LOGE, |
| 1203 | FL("upper layer issued disconnetion")); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1204 | status = QDF_STATUS_E_FAILURE; |
kaliu | 154d789 | 2015-12-30 17:27:58 +0530 | [diff] [blame] | 1205 | break; |
| 1206 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1207 | status = csr_roam_issue_connect(pMac, sessionId, pProfile, |
| 1208 | hBSSList, eCsrHddIssued, |
| 1209 | pCommand->u.scanCmd.roamId, |
| 1210 | true, true); |
| 1211 | } while (0); |
| 1212 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1213 | if (!QDF_IS_STATUS_SUCCESS(status)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1214 | if (CSR_INVALID_SCANRESULT_HANDLE != hBSSList) { |
| 1215 | csr_scan_result_purge(pMac, hBSSList); |
| 1216 | } |
| 1217 | /* We haven't done anything to this profile */ |
| 1218 | csr_roam_call_callback(pMac, sessionId, NULL, |
| 1219 | pCommand->u.scanCmd.roamId, |
| 1220 | eCSR_ROAM_ASSOCIATION_FAILURE, |
Abhishek Singh | c994160 | 2016-08-09 16:06:22 +0530 | [diff] [blame^] | 1221 | eCSR_ROAM_RESULT_SCAN_FOR_SSID_FAILURE); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1222 | } |
| 1223 | if (pScanFilter) { |
| 1224 | csr_free_scan_filter(pMac, pScanFilter); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 1225 | qdf_mem_free(pScanFilter); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1226 | } |
| 1227 | return status; |
| 1228 | } |
| 1229 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1230 | QDF_STATUS csr_scan_handle_search_for_ssid_failure(tpAniSirGlobal pMac, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1231 | tSmeCmd *pCommand) |
| 1232 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1233 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1234 | uint32_t sessionId = pCommand->sessionId; |
| 1235 | tCsrRoamProfile *pProfile = pCommand->u.scanCmd.pToRoamProfile; |
| 1236 | tCsrRoamSession *pSession = CSR_GET_SESSION(pMac, sessionId); |
| 1237 | eCsrRoamResult roam_result; |
| 1238 | |
| 1239 | if (!pSession) { |
| 1240 | sms_log(pMac, LOGE, FL("session %d not found"), sessionId); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1241 | return QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1242 | } |
| 1243 | /* If this scan is for LFR */ |
| 1244 | if (pMac->roam.neighborRoamInfo[sessionId].uOsRequestedHandoff) { |
| 1245 | /* notify LFR state m/c */ |
| 1246 | status = csr_neighbor_roam_sssid_scan_done(pMac, sessionId, |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1247 | QDF_STATUS_E_FAILURE); |
| 1248 | if (QDF_STATUS_SUCCESS != status) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1249 | csr_neighbor_roam_start_lfr_scan(pMac, sessionId); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1250 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1251 | } |
| 1252 | #ifdef WLAN_DEBUG |
| 1253 | if (pCommand->u.scanCmd.u.scanRequest.SSIDs.numOfSSIDs == 1) { |
| 1254 | char str[36]; |
| 1255 | tSirMacSSid *ptr_ssid = |
| 1256 | &pCommand->u.scanCmd.u.scanRequest.SSIDs.SSIDList[0].SSID; |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 1257 | qdf_mem_copy(str, ptr_ssid->ssId, ptr_ssid->length); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1258 | str[ptr_ssid->length] = 0; |
| 1259 | sms_log(pMac, LOGW, FL("SSID = %s"), str); |
| 1260 | } |
| 1261 | #endif |
| 1262 | /* |
| 1263 | * Check whether it is for start ibss. No need to do anything if it |
| 1264 | * is a JOIN request |
| 1265 | */ |
| 1266 | if (pProfile && CSR_IS_START_IBSS(pProfile)) { |
| 1267 | status = csr_roam_issue_connect(pMac, sessionId, pProfile, NULL, |
| 1268 | eCsrHddIssued, pCommand->u.scanCmd.roamId, |
| 1269 | true, true); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1270 | if (!QDF_IS_STATUS_SUCCESS(status)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1271 | sms_log(pMac, LOGE, |
| 1272 | FL("failed to issue startIBSS, status: 0x%08X"), |
| 1273 | status); |
| 1274 | csr_roam_call_callback(pMac, sessionId, NULL, |
| 1275 | pCommand->u.scanCmd.roamId, eCSR_ROAM_FAILED, |
| 1276 | eCSR_ROAM_RESULT_FAILURE); |
| 1277 | } |
| 1278 | return status; |
| 1279 | } |
| 1280 | roam_result = eCSR_ROAM_RESULT_FAILURE; |
| 1281 | if (NULL != pProfile && csr_is_bss_type_ibss(pProfile->BSSType)) { |
| 1282 | roam_result = eCSR_ROAM_RESULT_IBSS_START_FAILED; |
| 1283 | goto roam_completion; |
| 1284 | } |
| 1285 | /* Only indicate assoc_completion if we indicate assoc_start. */ |
| 1286 | if (pSession->bRefAssocStartCnt > 0) { |
| 1287 | tCsrRoamInfo *pRoamInfo = NULL, roamInfo; |
| 1288 | |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 1289 | qdf_mem_set(&roamInfo, sizeof(tCsrRoamInfo), 0); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1290 | pRoamInfo = &roamInfo; |
| 1291 | if (pCommand->u.roamCmd.pRoamBssEntry) { |
| 1292 | tCsrScanResult *pScanResult = GET_BASE_ADDR( |
| 1293 | pCommand->u.roamCmd.pRoamBssEntry, |
| 1294 | tCsrScanResult, Link); |
| 1295 | roamInfo.pBssDesc = &pScanResult->Result.BssDescriptor; |
| 1296 | } |
| 1297 | roamInfo.statusCode = pSession->joinFailStatusCode.statusCode; |
| 1298 | roamInfo.reasonCode = pSession->joinFailStatusCode.reasonCode; |
| 1299 | pSession->bRefAssocStartCnt--; |
| 1300 | csr_roam_call_callback(pMac, sessionId, pRoamInfo, |
| 1301 | pCommand->u.scanCmd.roamId, |
| 1302 | eCSR_ROAM_ASSOCIATION_COMPLETION, |
Abhishek Singh | c994160 | 2016-08-09 16:06:22 +0530 | [diff] [blame^] | 1303 | eCSR_ROAM_RESULT_SCAN_FOR_SSID_FAILURE); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1304 | } else { |
| 1305 | csr_roam_call_callback(pMac, sessionId, NULL, |
| 1306 | pCommand->u.scanCmd.roamId, |
| 1307 | eCSR_ROAM_ASSOCIATION_FAILURE, |
Abhishek Singh | c994160 | 2016-08-09 16:06:22 +0530 | [diff] [blame^] | 1308 | eCSR_ROAM_RESULT_SCAN_FOR_SSID_FAILURE); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1309 | } |
| 1310 | roam_completion: |
| 1311 | csr_roam_completion(pMac, sessionId, NULL, pCommand, roam_result, |
| 1312 | false); |
| 1313 | return status; |
| 1314 | } |
| 1315 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1316 | QDF_STATUS csr_scan_result_purge(tpAniSirGlobal pMac, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1317 | tScanResultHandle hScanList) |
| 1318 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1319 | QDF_STATUS status = QDF_STATUS_E_INVAL; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1320 | tScanResultList *pScanList = (tScanResultList *) hScanList; |
| 1321 | |
| 1322 | if (pScanList) { |
| 1323 | status = csr_ll_scan_purge_result(pMac, &pScanList->List); |
| 1324 | csr_ll_close(&pScanList->List); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 1325 | qdf_mem_free(pScanList); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1326 | } |
| 1327 | return status; |
| 1328 | } |
| 1329 | |
| 1330 | /** |
Abhishek Singh | c994160 | 2016-08-09 16:06:22 +0530 | [diff] [blame^] | 1331 | * csr_remove_bssid_from_scan_list() - remove the bssid from |
| 1332 | * scan list |
| 1333 | * @mac_tx: mac context. |
| 1334 | * @bssid: bssid to be removed |
| 1335 | * |
| 1336 | * This function remove the given bssid from scan list. |
| 1337 | * |
| 1338 | * Return: void. |
| 1339 | */ |
| 1340 | void csr_remove_bssid_from_scan_list(tpAniSirGlobal mac_ctx, |
| 1341 | tSirMacAddr bssid) |
| 1342 | { |
| 1343 | tListElem *entry, *free_elem; |
| 1344 | tCsrScanResult *bss_desc; |
| 1345 | tDblLinkList *list = &mac_ctx->scan.scanResultList; |
| 1346 | |
| 1347 | csr_ll_lock(list); |
| 1348 | entry = csr_ll_peek_head(list, LL_ACCESS_NOLOCK); |
| 1349 | while (entry != NULL) { |
| 1350 | bss_desc = GET_BASE_ADDR(entry, tCsrScanResult, Link); |
| 1351 | if (!qdf_mem_cmp(bss_desc->Result.BssDescriptor.bssId, |
| 1352 | bssid, sizeof(tSirMacAddr))) { |
| 1353 | free_elem = entry; |
| 1354 | entry = csr_ll_next(list, entry, LL_ACCESS_NOLOCK); |
| 1355 | csr_ll_remove_entry(list, free_elem, LL_ACCESS_NOLOCK); |
| 1356 | csr_free_scan_result_entry(mac_ctx, bss_desc); |
| 1357 | sms_log(mac_ctx, LOGW, FL("Removed BSS entry:%pM"), |
| 1358 | bssid); |
| 1359 | continue; |
| 1360 | } |
| 1361 | |
| 1362 | entry = csr_ll_next(list, entry, LL_ACCESS_NOLOCK); |
| 1363 | } |
| 1364 | |
| 1365 | csr_ll_unlock(list); |
| 1366 | } |
| 1367 | |
| 1368 | /** |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1369 | * csr_derive_prefer_value_from_rssi() - to derive prefer value |
| 1370 | * @mac_ctx: Global MAC Context |
| 1371 | * @rssi: RSSI of the BSS |
| 1372 | * |
| 1373 | * This routine will derive preferred value from given rssi |
| 1374 | * |
| 1375 | * Return: value between 0 to 14 |
| 1376 | */ |
| 1377 | static int csr_derive_prefer_value_from_rssi(tpAniSirGlobal mac_ctx, int rssi) |
| 1378 | { |
| 1379 | int i = CSR_NUM_RSSI_CAT - 1, pref_val = 0; |
| 1380 | while (i >= 0) { |
| 1381 | if (rssi >= mac_ctx->roam.configParam.RSSICat[i]) { |
| 1382 | pref_val = mac_ctx->roam.configParam.BssPreferValue[i]; |
| 1383 | break; |
| 1384 | } |
| 1385 | i--; |
| 1386 | }; |
| 1387 | return pref_val; |
| 1388 | } |
| 1389 | |
| 1390 | /** |
| 1391 | * is_channel_found_in_pcl() - to check if channel is present in pcl |
| 1392 | * @mac_ctx: Global MAC Context |
| 1393 | * @channel_id: channel of bss |
| 1394 | * @filter: pointer to filter created through profile |
| 1395 | * |
| 1396 | * to check if provided channel is present in pcl |
| 1397 | * |
| 1398 | * Return: true or false |
| 1399 | */ |
| 1400 | static bool is_channel_found_in_pcl(tpAniSirGlobal mac_ctx, int channel_id, |
| 1401 | tCsrScanResultFilter *filter) |
| 1402 | { |
| 1403 | int i; |
| 1404 | bool status = false; |
| 1405 | |
| 1406 | if (NULL == filter) |
| 1407 | return status; |
| 1408 | |
| 1409 | for (i = 0; i < filter->pcl_channels.numChannels; i++) { |
| 1410 | if (filter->pcl_channels.channelList[i] == channel_id) { |
| 1411 | status = true; |
| 1412 | break; |
| 1413 | } |
| 1414 | } |
| 1415 | return status; |
| 1416 | } |
| 1417 | /** |
| 1418 | * csr_get_altered_rssi() - Artificially increase/decrease RSSI |
| 1419 | * @mac_ctx: Global MAC Context pointer. |
| 1420 | * @rssi: Actual RSSI of the AP. |
| 1421 | * @channel_id: Channel on which the AP is parked. |
| 1422 | * @bssid: BSSID of the AP to connect to. |
| 1423 | * |
| 1424 | * This routine will apply the boost and penalty parameters |
| 1425 | * if the channel_id is of 5G band and it will also apply |
| 1426 | * the preferred bssid score if there is a match between |
| 1427 | * the bssid and the global preferred bssid list. |
| 1428 | * |
| 1429 | * Return: The modified RSSI Value |
| 1430 | */ |
| 1431 | static int csr_get_altered_rssi(tpAniSirGlobal mac_ctx, int rssi, |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 1432 | uint8_t channel_id, struct qdf_mac_addr *bssid) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1433 | { |
| 1434 | int modified_rssi; |
| 1435 | int boost_factor; |
| 1436 | int penalty_factor; |
| 1437 | int i; |
| 1438 | struct roam_ext_params *roam_params; |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 1439 | struct qdf_mac_addr fav_bssid; |
| 1440 | struct qdf_mac_addr local_bssid; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1441 | |
| 1442 | modified_rssi = rssi; |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 1443 | qdf_mem_zero(&local_bssid.bytes, QDF_MAC_ADDR_SIZE); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1444 | if (bssid) |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 1445 | qdf_mem_copy(local_bssid.bytes, bssid->bytes, |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 1446 | QDF_MAC_ADDR_SIZE); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1447 | roam_params = &mac_ctx->roam.configParam.roam_params; |
| 1448 | /* |
| 1449 | * If the 5G pref feature is enabled, apply the roaming |
| 1450 | * parameters to boost or penalize the rssi. |
| 1451 | * Boost Factor = boost_factor * (Actual RSSI - boost Threshold) |
| 1452 | * Penalty Factor = penalty factor * (penalty threshold - Actual RSSI) |
| 1453 | */ |
| 1454 | if (CSR_IS_SELECT_5G_PREFERRED(mac_ctx) && |
| 1455 | CDS_IS_CHANNEL_5GHZ(channel_id)) { |
| 1456 | if (rssi > roam_params->raise_rssi_thresh_5g) { |
| 1457 | /* Check and boost the threshold*/ |
| 1458 | boost_factor = roam_params->raise_factor_5g * |
| 1459 | (rssi - roam_params->raise_rssi_thresh_5g); |
| 1460 | /* Check and penalize the threshold */ |
| 1461 | modified_rssi += CSR_MIN(roam_params->max_raise_rssi_5g, |
| 1462 | boost_factor); |
| 1463 | } else if (rssi < roam_params->drop_rssi_thresh_5g) { |
| 1464 | penalty_factor = roam_params->drop_factor_5g * |
| 1465 | (roam_params->drop_rssi_thresh_5g - rssi); |
| 1466 | modified_rssi -= CSR_MAX(roam_params->max_drop_rssi_5g, |
| 1467 | penalty_factor); |
| 1468 | } |
| 1469 | sms_log(mac_ctx, LOG2, |
| 1470 | FL("5G BSSID"MAC_ADDRESS_STR" AR=%d, MR=%d, ch=%d"), |
| 1471 | MAC_ADDR_ARRAY(local_bssid.bytes), |
| 1472 | rssi, modified_rssi, channel_id); |
| 1473 | } |
| 1474 | /* |
| 1475 | * Check if there are preferred bssid and then apply the |
| 1476 | * preferred score |
| 1477 | */ |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 1478 | qdf_mem_zero(&fav_bssid.bytes, QDF_MAC_ADDR_SIZE); |
Varun Reddy Yeturu | f76f6de | 2015-11-17 21:33:53 -0800 | [diff] [blame] | 1479 | if (bssid && roam_params->num_bssid_favored) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1480 | for (i = 0; i < roam_params->num_bssid_favored; i++) { |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 1481 | qdf_mem_copy(fav_bssid.bytes, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1482 | &roam_params->bssid_favored[i], |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 1483 | QDF_MAC_ADDR_SIZE); |
Anurag Chouhan | c554842 | 2016-02-24 18:33:27 +0530 | [diff] [blame] | 1484 | if (!qdf_is_macaddr_equal(&fav_bssid, bssid)) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1485 | continue; |
| 1486 | modified_rssi += roam_params->bssid_favored_factor[i]; |
| 1487 | sms_log(mac_ctx, LOG2, |
| 1488 | FL("Pref"MAC_ADDRESS_STR" AR=%d, MR=%d, ch=%d"), |
| 1489 | MAC_ADDR_ARRAY(local_bssid.bytes), |
| 1490 | rssi, modified_rssi, channel_id); |
| 1491 | } |
| 1492 | } |
| 1493 | return modified_rssi; |
| 1494 | } |
| 1495 | |
| 1496 | /** |
| 1497 | * csr_get_bss_prefer_value() - Get the preference value for BSS |
| 1498 | * @mac_ctx: Global MAC Context |
| 1499 | * @rssi: RSSI of the BSS |
| 1500 | * @bssid: BSSID to which the preference value is returned |
| 1501 | * @channel_id: Channel on which the AP is parked |
| 1502 | * |
| 1503 | * Each BSS descriptor should be assigned a preference value ranging from |
| 1504 | * 14-0, which will be used as an RSSI bucket score while sorting the |
| 1505 | * scan results. |
| 1506 | * |
| 1507 | * Return: Preference value for the BSSID |
| 1508 | */ |
| 1509 | static uint32_t csr_get_bss_prefer_value(tpAniSirGlobal mac_ctx, int rssi, |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 1510 | struct qdf_mac_addr *bssid, int channel_id) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1511 | { |
| 1512 | uint32_t ret = 0; |
| 1513 | int modified_rssi; |
| 1514 | |
| 1515 | /* |
| 1516 | * The RSSI does not get modified in case the 5G |
| 1517 | * preference or preferred BSSID is not applicable |
| 1518 | */ |
| 1519 | modified_rssi = csr_get_altered_rssi(mac_ctx, rssi, channel_id, bssid); |
| 1520 | ret = csr_derive_prefer_value_from_rssi(mac_ctx, modified_rssi); |
| 1521 | |
| 1522 | return ret; |
| 1523 | } |
| 1524 | |
| 1525 | /* Return a CapValue base on the capabilities of a BSS */ |
| 1526 | static uint32_t csr_get_bss_cap_value(tpAniSirGlobal pMac, |
| 1527 | tSirBssDescription *pBssDesc, |
| 1528 | tDot11fBeaconIEs *pIes) |
| 1529 | { |
| 1530 | uint32_t ret = CSR_BSS_CAP_VALUE_NONE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1531 | if (CSR_IS_ROAM_PREFER_5GHZ(pMac) || CSR_IS_SELECT_5G_PREFERRED(pMac)) { |
| 1532 | if ((pBssDesc) && CDS_IS_CHANNEL_5GHZ(pBssDesc->channelId)) { |
| 1533 | ret += CSR_BSS_CAP_VALUE_5GHZ; |
| 1534 | } |
| 1535 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1536 | /* |
| 1537 | * if strict select 5GHz is non-zero then ignore the capability checking |
| 1538 | */ |
| 1539 | if (pIes && !CSR_IS_SELECT_5GHZ_MARGIN(pMac)) { |
| 1540 | /* We only care about 11N capability */ |
| 1541 | if (pIes->VHTCaps.present) |
| 1542 | ret += CSR_BSS_CAP_VALUE_VHT; |
| 1543 | else if (pIes->HTCaps.present) |
| 1544 | ret += CSR_BSS_CAP_VALUE_HT; |
| 1545 | if (CSR_IS_QOS_BSS(pIes)) { |
| 1546 | ret += CSR_BSS_CAP_VALUE_WMM; |
| 1547 | /* Give advantage to UAPSD */ |
| 1548 | if (CSR_IS_UAPSD_BSS(pIes)) { |
| 1549 | ret += CSR_BSS_CAP_VALUE_UAPSD; |
| 1550 | } |
| 1551 | } |
| 1552 | } |
| 1553 | |
| 1554 | return ret; |
| 1555 | } |
| 1556 | |
| 1557 | /** |
| 1558 | * csr_is_better_rssi() - Is bss1 better than bss2 |
| 1559 | * @mac_ctx: Global MAC Context pointer. |
| 1560 | * @bss1: Pointer to the first BSS. |
| 1561 | * @bss2: Pointer to the second BSS. |
| 1562 | * |
| 1563 | * This routine helps in determining the preference value |
| 1564 | * of a particular BSS in the scan result which is further |
| 1565 | * used in the sorting logic of the final candidate AP's. |
| 1566 | * |
| 1567 | * Return: true, if bss1 is better than bss2 |
| 1568 | * false, if bss2 is better than bss1. |
| 1569 | */ |
| 1570 | static bool csr_is_better_rssi(tpAniSirGlobal mac_ctx, |
| 1571 | tCsrScanResult *bss1, tCsrScanResult *bss2) |
| 1572 | { |
| 1573 | bool ret; |
| 1574 | int rssi1, rssi2; |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 1575 | struct qdf_mac_addr local_mac; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1576 | |
| 1577 | rssi1 = bss1->Result.BssDescriptor.rssi; |
| 1578 | rssi2 = bss2->Result.BssDescriptor.rssi; |
| 1579 | /* |
| 1580 | * Apply the boost and penlty logic and check |
| 1581 | * which is the best RSSI |
| 1582 | */ |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 1583 | qdf_mem_zero(&local_mac.bytes, QDF_MAC_ADDR_SIZE); |
| 1584 | qdf_mem_copy(&local_mac.bytes, |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 1585 | &bss1->Result.BssDescriptor.bssId, QDF_MAC_ADDR_SIZE); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1586 | rssi1 = csr_get_altered_rssi(mac_ctx, rssi1, |
| 1587 | bss1->Result.BssDescriptor.channelId, |
| 1588 | &local_mac); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 1589 | qdf_mem_copy(&local_mac.bytes, |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 1590 | &bss2->Result.BssDescriptor.bssId, QDF_MAC_ADDR_SIZE); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1591 | rssi2 = csr_get_altered_rssi(mac_ctx, rssi2, |
| 1592 | bss2->Result.BssDescriptor.channelId, |
| 1593 | &local_mac); |
| 1594 | if (CSR_IS_BETTER_RSSI(rssi1, rssi2)) |
| 1595 | ret = true; |
| 1596 | else |
| 1597 | ret = false; |
| 1598 | return ret; |
| 1599 | } |
| 1600 | |
| 1601 | /** |
| 1602 | * csr_is_better_bss() - Is bss1 better than bss2 |
| 1603 | * @mac_ctx: Global MAC Context pointer. |
| 1604 | * @bss1: Pointer to the first BSS. |
| 1605 | * @bss2: Pointer to the second BSS. |
| 1606 | * |
| 1607 | * This routine helps in determining the preference value |
| 1608 | * of a particular BSS in the scan result which is further |
| 1609 | * used in the sorting logic of the final candidate AP's. |
| 1610 | * |
| 1611 | * Return: true, if bss1 is better than bss2 |
| 1612 | * false, if bss2 is better than bss1. |
| 1613 | */ |
| 1614 | static bool csr_is_better_bss(tpAniSirGlobal mac_ctx, |
| 1615 | tCsrScanResult *bss1, tCsrScanResult *bss2) |
| 1616 | { |
| 1617 | bool ret; |
| 1618 | |
| 1619 | if (CSR_IS_BETTER_PREFER_VALUE(bss1->preferValue, bss2->preferValue)) { |
| 1620 | ret = true; |
| 1621 | } else if (CSR_IS_EQUAL_PREFER_VALUE |
| 1622 | (bss1->preferValue, bss2->preferValue)) { |
| 1623 | if (CSR_IS_BETTER_CAP_VALUE(bss1->capValue, bss2->capValue)) |
| 1624 | ret = true; |
| 1625 | else if (CSR_IS_EQUAL_CAP_VALUE |
| 1626 | (bss1->capValue, bss2->capValue)) { |
| 1627 | if (csr_is_better_rssi(mac_ctx, bss1, bss2)) |
| 1628 | ret = true; |
| 1629 | else |
| 1630 | ret = false; |
| 1631 | } else { |
| 1632 | ret = false; |
| 1633 | } |
| 1634 | } else { |
| 1635 | ret = false; |
| 1636 | } |
| 1637 | |
| 1638 | return ret; |
| 1639 | } |
| 1640 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1641 | /* Add the channel to the occupiedChannels array */ |
| 1642 | static void csr_scan_add_to_occupied_channels(tpAniSirGlobal pMac, |
Kapil Gupta | 0a2477b | 2016-08-23 18:00:34 +0530 | [diff] [blame] | 1643 | tCsrScanResult *pResult, |
| 1644 | uint8_t sessionId, |
| 1645 | tCsrChannel *occupied_ch, |
| 1646 | tDot11fBeaconIEs *pIes, |
| 1647 | bool is_init_list) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1648 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1649 | QDF_STATUS status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1650 | uint8_t ch; |
| 1651 | uint8_t num_occupied_ch = occupied_ch->numChannels; |
| 1652 | uint8_t *occupied_ch_lst = occupied_ch->channelList; |
| 1653 | |
| 1654 | ch = pResult->Result.BssDescriptor.channelId; |
Kapil Gupta | 0a2477b | 2016-08-23 18:00:34 +0530 | [diff] [blame] | 1655 | if (!csr_neighbor_roam_connected_profile_match(pMac, |
| 1656 | sessionId, pResult, pIes)) |
| 1657 | return; |
| 1658 | |
| 1659 | if (is_init_list) |
| 1660 | pMac->scan.roam_candidate_count[sessionId]++; |
| 1661 | |
| 1662 | if (csr_is_channel_present_in_list(occupied_ch_lst, |
| 1663 | num_occupied_ch, ch)) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1664 | return; |
| 1665 | |
| 1666 | status = csr_add_to_channel_list_front(occupied_ch_lst, |
| 1667 | num_occupied_ch, ch); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1668 | if (QDF_IS_STATUS_SUCCESS(status)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1669 | occupied_ch->numChannels++; |
| 1670 | sms_log(pMac, LOG2, |
| 1671 | FL("Added channel %d to the list (count=%d)"), |
| 1672 | ch, occupied_ch->numChannels); |
| 1673 | if (occupied_ch->numChannels > |
| 1674 | CSR_BG_SCAN_OCCUPIED_CHANNEL_LIST_LEN) |
| 1675 | occupied_ch->numChannels = |
| 1676 | CSR_BG_SCAN_OCCUPIED_CHANNEL_LIST_LEN; |
| 1677 | } |
| 1678 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1679 | |
| 1680 | /* Put the BSS into the scan result list */ |
| 1681 | /* pIes can not be NULL */ |
| 1682 | static void csr_scan_add_result(tpAniSirGlobal pMac, tCsrScanResult *pResult, |
| 1683 | tDot11fBeaconIEs *pIes, uint32_t sessionId) |
| 1684 | { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1685 | tpCsrNeighborRoamControlInfo pNeighborRoamInfo = |
| 1686 | &pMac->roam.neighborRoamInfo[sessionId]; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1687 | |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 1688 | struct qdf_mac_addr bssid; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1689 | uint8_t channel_id = pResult->Result.BssDescriptor.channelId; |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 1690 | qdf_mem_zero(&bssid.bytes, QDF_MAC_ADDR_SIZE); |
| 1691 | qdf_mem_copy(bssid.bytes, &pResult->Result.BssDescriptor.bssId, |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 1692 | QDF_MAC_ADDR_SIZE); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1693 | pResult->preferValue = csr_get_bss_prefer_value(pMac, |
| 1694 | (int)pResult->Result.BssDescriptor.rssi, |
| 1695 | &bssid, channel_id); |
| 1696 | pResult->capValue = csr_get_bss_cap_value(pMac, |
| 1697 | &pResult->Result.BssDescriptor, pIes); |
| 1698 | csr_ll_insert_tail(&pMac->scan.scanResultList, &pResult->Link, |
| 1699 | LL_ACCESS_LOCK); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1700 | if (0 == pNeighborRoamInfo->cfgParams.channelInfo.numOfChannels) { |
| 1701 | /* |
| 1702 | * Build the occupied channel list, only if |
| 1703 | * "gNeighborScanChannelList" is NOT set in the cfg.ini file |
| 1704 | */ |
| 1705 | csr_scan_add_to_occupied_channels(pMac, pResult, sessionId, |
Kapil Gupta | 0a2477b | 2016-08-23 18:00:34 +0530 | [diff] [blame] | 1706 | &pMac->scan.occupiedChannels[sessionId], pIes, |
| 1707 | false); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1708 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1709 | } |
| 1710 | |
| 1711 | static void |
| 1712 | csr_parser_scan_result_for_5ghz_preference(tpAniSirGlobal pMac, |
| 1713 | tCsrScanResultFilter *pFilter) |
| 1714 | { |
| 1715 | bool fMatch; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1716 | QDF_STATUS status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1717 | tListElem *pEntry; |
| 1718 | tDot11fBeaconIEs *pIes; |
| 1719 | tCsrScanResult *pBssDesc; |
| 1720 | uint8_t i = 0; |
| 1721 | |
| 1722 | /* Find out the best AP Rssi going thru the scan results */ |
| 1723 | pEntry = csr_ll_peek_head(&pMac->scan.scanResultList, LL_ACCESS_NOLOCK); |
| 1724 | while (NULL != pEntry) { |
| 1725 | pBssDesc = GET_BASE_ADDR(pEntry, tCsrScanResult, Link); |
| 1726 | fMatch = false; |
| 1727 | |
| 1728 | for (i = 0; pFilter && (i < pFilter->SSIDs.numOfSSIDs); i++) { |
| 1729 | fMatch = csr_is_ssid_match(pMac, |
| 1730 | pFilter->SSIDs.SSIDList[i].SSID.ssId, |
| 1731 | pFilter->SSIDs.SSIDList[i].SSID.length, |
| 1732 | pBssDesc->Result.ssId.ssId, |
| 1733 | pBssDesc->Result.ssId.length, true); |
| 1734 | if (!fMatch) |
| 1735 | continue; |
| 1736 | |
| 1737 | pIes = (tDot11fBeaconIEs *)(pBssDesc->Result.pvIes); |
| 1738 | /* At this time, Result.pvIes may be NULL */ |
| 1739 | status = csr_get_parsed_bss_description_ies(pMac, |
| 1740 | &pBssDesc->Result.BssDescriptor, &pIes); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1741 | if (!pIes && (!QDF_IS_STATUS_SUCCESS(status))) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1742 | continue; |
| 1743 | |
| 1744 | sms_log(pMac, LOG1, FL("SSID Matched")); |
| 1745 | if (pFilter->bOSENAssociation) { |
| 1746 | fMatch = true; |
| 1747 | sms_log(pMac, LOG1, FL("Security Matched")); |
| 1748 | if ((pBssDesc->Result.pvIes == NULL) && pIes) |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 1749 | qdf_mem_free(pIes); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1750 | continue; |
| 1751 | } |
| 1752 | #ifdef WLAN_FEATURE_11W |
| 1753 | fMatch = csr_is_security_match(pMac, &pFilter->authType, |
| 1754 | &pFilter->EncryptionType, |
| 1755 | &pFilter->mcEncryptionType, |
| 1756 | &pFilter->MFPEnabled, |
| 1757 | &pFilter->MFPRequired, |
| 1758 | &pFilter->MFPCapable, |
| 1759 | &pBssDesc->Result.BssDescriptor, |
| 1760 | pIes, NULL, NULL, NULL); |
| 1761 | #else |
| 1762 | fMatch = csr_is_security_match(pMac, &pFilter->authType, |
| 1763 | &pFilter->EncryptionType, |
| 1764 | &pFilter->mcEncryptionType, |
| 1765 | NULL, NULL, NULL, |
| 1766 | &pBssDesc->Result.BssDescriptor, |
| 1767 | pIes, NULL, NULL, NULL); |
| 1768 | #endif |
| 1769 | if ((pBssDesc->Result.pvIes == NULL) && pIes) |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 1770 | qdf_mem_free(pIes); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1771 | if (fMatch) |
| 1772 | sms_log(pMac, LOG1, FL("Security Matched")); |
| 1773 | } /* for loop ends */ |
| 1774 | |
| 1775 | if (fMatch |
| 1776 | && (pBssDesc->Result.BssDescriptor.rssi > |
| 1777 | pMac->scan.inScanResultBestAPRssi)) { |
| 1778 | sms_log(pMac, LOG1, |
| 1779 | FL("Best AP Rssi changed from %d to %d"), |
| 1780 | pMac->scan.inScanResultBestAPRssi, |
| 1781 | pBssDesc->Result.BssDescriptor.rssi); |
| 1782 | pMac->scan.inScanResultBestAPRssi = |
| 1783 | pBssDesc->Result.BssDescriptor.rssi; |
| 1784 | } |
| 1785 | pEntry = csr_ll_next(&pMac->scan.scanResultList, pEntry, |
| 1786 | LL_ACCESS_NOLOCK); |
| 1787 | } |
| 1788 | } |
| 1789 | |
| 1790 | static void |
| 1791 | csr_prefer_5ghz(tpAniSirGlobal pMac, tCsrScanResultFilter *pFilter) |
| 1792 | { |
| 1793 | tListElem *pEntry; |
| 1794 | tCsrScanResult *pBssDesc; |
| 1795 | struct roam_ext_params *roam_params = NULL; |
| 1796 | |
| 1797 | if (!pMac->roam.configParam.nSelect5GHzMargin && |
| 1798 | !CSR_IS_SELECT_5G_PREFERRED(pMac)) |
| 1799 | return; |
| 1800 | |
| 1801 | pMac->scan.inScanResultBestAPRssi = -128; |
| 1802 | roam_params = &pMac->roam.configParam.roam_params; |
| 1803 | #ifdef WLAN_DEBUG_ROAM_OFFLOAD |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 1804 | QDF_TRACE(QDF_MODULE_ID_SME, QDF_TRACE_LEVEL_DEBUG, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1805 | FL("nSelect5GHzMargin")); |
| 1806 | #endif |
| 1807 | csr_ll_lock(&pMac->scan.scanResultList); |
| 1808 | /* |
| 1809 | * For 5G preference feature, there is no |
| 1810 | * need to check the filter match and also re-program the |
| 1811 | * RSSI bucket categories, since we use the RSSI values |
| 1812 | * while setting the preference value for the BSS. |
| 1813 | * There is no need to check the match for roaming since |
| 1814 | * it is already done. |
| 1815 | */ |
| 1816 | if (!CSR_IS_SELECT_5G_PREFERRED(pMac)) |
| 1817 | csr_parser_scan_result_for_5ghz_preference(pMac, pFilter); |
| 1818 | if (-128 != pMac->scan.inScanResultBestAPRssi || |
| 1819 | CSR_IS_SELECT_5G_PREFERRED(pMac)) { |
| 1820 | sms_log(pMac, LOG1, FL("Best AP Rssi is %d"), |
| 1821 | pMac->scan.inScanResultBestAPRssi); |
| 1822 | /* Modify Rssi category based on best AP Rssi */ |
| 1823 | if (-128 != pMac->scan.inScanResultBestAPRssi) |
| 1824 | csr_assign_rssi_for_category(pMac, |
| 1825 | pMac->scan.inScanResultBestAPRssi, |
| 1826 | pMac->roam.configParam.bCatRssiOffset); |
| 1827 | pEntry = csr_ll_peek_head(&pMac->scan.scanResultList, |
| 1828 | LL_ACCESS_NOLOCK); |
| 1829 | while (NULL != pEntry) { |
| 1830 | pBssDesc = GET_BASE_ADDR(pEntry, tCsrScanResult, Link); |
| 1831 | /* |
| 1832 | * re-assign preference value based on modified |
| 1833 | * rssi bucket (or) 5G Preference feature. |
| 1834 | */ |
| 1835 | pBssDesc->preferValue = csr_get_bss_prefer_value(pMac, |
| 1836 | (int)pBssDesc->Result.BssDescriptor.rssi, |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 1837 | (struct qdf_mac_addr *) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1838 | &pBssDesc->Result.BssDescriptor.bssId, |
| 1839 | pBssDesc->Result.BssDescriptor.channelId); |
| 1840 | |
| 1841 | sms_log(pMac, LOG2, FL("BSSID("MAC_ADDRESS_STR") Rssi(%d) Chnl(%d) PrefVal(%u) SSID=%.*s"), |
| 1842 | MAC_ADDR_ARRAY( |
| 1843 | pBssDesc->Result.BssDescriptor.bssId), |
| 1844 | pBssDesc->Result.BssDescriptor.rssi, |
| 1845 | pBssDesc->Result.BssDescriptor.channelId, |
| 1846 | pBssDesc->preferValue, |
| 1847 | pBssDesc->Result.ssId.length, |
| 1848 | pBssDesc->Result.ssId.ssId); |
| 1849 | pEntry = csr_ll_next(&pMac->scan.scanResultList, pEntry, |
| 1850 | LL_ACCESS_NOLOCK); |
| 1851 | } |
| 1852 | } |
| 1853 | csr_ll_unlock(&pMac->scan.scanResultList); |
| 1854 | } |
| 1855 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1856 | static QDF_STATUS |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1857 | csr_save_ies(tpAniSirGlobal pMac, |
| 1858 | tCsrScanResultFilter *pFilter, |
| 1859 | tCsrScanResult *pBssDesc, |
| 1860 | tDot11fBeaconIEs **pNewIes, |
| 1861 | bool *fMatch, |
| 1862 | eCsrEncryptionType *uc, |
| 1863 | eCsrEncryptionType *mc, |
| 1864 | eCsrAuthType *auth) |
| 1865 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1866 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1867 | tDot11fBeaconIEs *pIes = NULL; |
| 1868 | |
| 1869 | if (!pFilter) |
| 1870 | return status; |
| 1871 | *fMatch = csr_match_bss(pMac, &pBssDesc->Result.BssDescriptor, |
| 1872 | pFilter, auth, uc, mc, &pIes); |
| 1873 | #ifdef WLAN_DEBUG_ROAM_OFFLOAD |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 1874 | QDF_TRACE(QDF_MODULE_ID_SME, QDF_TRACE_LEVEL_DEBUG, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1875 | FL("csr_match_bss fmatch %d"), *fMatch); |
| 1876 | #endif |
| 1877 | if (NULL == pIes) |
| 1878 | return status; |
| 1879 | /* Only save it when matching */ |
| 1880 | if (!(*fMatch) && !pBssDesc->Result.pvIes) { |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 1881 | qdf_mem_free(pIes); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1882 | return status; |
| 1883 | } |
| 1884 | if (!pBssDesc->Result.pvIes) { |
| 1885 | /* |
| 1886 | * csr_match_bss allocates the memory. Simply pass it and it |
| 1887 | * is freed later |
| 1888 | */ |
| 1889 | *pNewIes = pIes; |
| 1890 | return status; |
| 1891 | } |
| 1892 | /* |
| 1893 | * The pIes is allocated by someone else. make a copy |
| 1894 | * Only to save parsed IEs if caller provides a filter. Most likely the |
| 1895 | * caller is using to for association, hence save the parsed IEs |
| 1896 | */ |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 1897 | *pNewIes = qdf_mem_malloc(sizeof(tDot11fBeaconIEs)); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1898 | if (NULL == *pNewIes) { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1899 | status = QDF_STATUS_E_NOMEM; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1900 | sms_log(pMac, LOGE, FL("fail to allocate memory for IEs")); |
| 1901 | /* Need to free memory allocated by csr_match_bss */ |
| 1902 | if (!pBssDesc->Result.pvIes) |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 1903 | qdf_mem_free(pIes); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1904 | return status; |
| 1905 | } |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 1906 | qdf_mem_copy(*pNewIes, pIes, sizeof(tDot11fBeaconIEs)); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1907 | return status; |
| 1908 | } |
| 1909 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1910 | static QDF_STATUS |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1911 | csr_save_scan_entry(tpAniSirGlobal pMac, |
| 1912 | tCsrScanResultFilter *pFilter, |
| 1913 | bool fMatch, |
| 1914 | tCsrScanResult *pBssDesc, |
| 1915 | tDot11fBeaconIEs *pNewIes, |
| 1916 | tScanResultList *pRetList, |
| 1917 | uint32_t *count, |
| 1918 | eCsrEncryptionType uc, |
| 1919 | eCsrEncryptionType mc, |
| 1920 | eCsrAuthType *auth) |
| 1921 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1922 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1923 | tCsrScanResult *pResult; |
| 1924 | uint32_t bssLen, allocLen; |
| 1925 | /* To sort the list */ |
| 1926 | tListElem *pTmpEntry; |
| 1927 | tCsrScanResult *pTmpResult; |
| 1928 | |
| 1929 | if (!(NULL == pFilter || fMatch)) |
| 1930 | return status; |
| 1931 | |
| 1932 | bssLen = pBssDesc->Result.BssDescriptor.length + |
| 1933 | sizeof(pBssDesc->Result.BssDescriptor.length); |
| 1934 | allocLen = sizeof(tCsrScanResult) + bssLen; |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 1935 | pResult = qdf_mem_malloc(allocLen); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1936 | if (NULL == pResult) { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1937 | status = QDF_STATUS_E_NOMEM; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1938 | sms_log(pMac, LOGE, |
| 1939 | FL("fail to allocate memory for scan result, len=%d"), |
| 1940 | allocLen); |
| 1941 | if (pNewIes) |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 1942 | qdf_mem_free(pNewIes); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1943 | return status; |
| 1944 | } |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 1945 | qdf_mem_set(pResult, allocLen, 0); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1946 | pResult->capValue = pBssDesc->capValue; |
| 1947 | pResult->preferValue = pBssDesc->preferValue; |
| 1948 | pResult->ucEncryptionType = uc; |
| 1949 | pResult->mcEncryptionType = mc; |
| 1950 | pResult->authType = *auth; |
| 1951 | pResult->Result.ssId = pBssDesc->Result.ssId; |
| 1952 | pResult->Result.timer = pBssDesc->Result.timer; |
| 1953 | /* save the pIes for later use */ |
| 1954 | pResult->Result.pvIes = pNewIes; |
| 1955 | /* save bss description */ |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 1956 | qdf_mem_copy(&pResult->Result.BssDescriptor, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1957 | &pBssDesc->Result.BssDescriptor, |
| 1958 | bssLen); |
| 1959 | /* |
| 1960 | * No need to lock pRetList because it is locally allocated and no |
| 1961 | * outside can access it at this time |
| 1962 | */ |
| 1963 | if (csr_ll_is_list_empty(&pRetList->List, LL_ACCESS_NOLOCK)) { |
| 1964 | csr_ll_insert_tail(&pRetList->List, &pResult->Link, |
| 1965 | LL_ACCESS_NOLOCK); |
| 1966 | (*count)++; |
| 1967 | return status; |
| 1968 | } |
| 1969 | |
| 1970 | pTmpEntry = csr_ll_peek_head(&pRetList->List, LL_ACCESS_NOLOCK); |
| 1971 | while (pTmpEntry) { |
| 1972 | pTmpResult = GET_BASE_ADDR(pTmpEntry, tCsrScanResult, Link); |
| 1973 | if (csr_is_better_bss(pMac, pResult, pTmpResult)) { |
| 1974 | csr_ll_insert_entry(&pRetList->List, pTmpEntry, |
| 1975 | &pResult->Link, LL_ACCESS_NOLOCK); |
| 1976 | /* To indicate we are done */ |
| 1977 | pResult = NULL; |
| 1978 | break; |
| 1979 | } |
| 1980 | pTmpEntry = csr_ll_next(&pRetList->List, |
| 1981 | pTmpEntry, LL_ACCESS_NOLOCK); |
| 1982 | } |
| 1983 | if (pResult != NULL) { |
| 1984 | /* This one is not better than any one */ |
| 1985 | csr_ll_insert_tail(&pRetList->List, &pResult->Link, |
| 1986 | LL_ACCESS_NOLOCK); |
| 1987 | } |
| 1988 | (*count)++; |
| 1989 | return status; |
| 1990 | } |
| 1991 | |
| 1992 | /** |
| 1993 | * csr_calc_pref_val_by_pcl() - to calculate preferred value |
| 1994 | * @mac_ctx: mac context |
| 1995 | * @filter: filter to find match from scan result |
| 1996 | * @bss_descr: pointer to bss descriptor |
| 1997 | * |
| 1998 | * this routine calculates the new preferred value to be given to |
| 1999 | * provided bss if its channel falls under preferred channel list. |
| 2000 | * Thump rule is higer the RSSI better the boost. |
| 2001 | * |
| 2002 | * Return: success or failure |
| 2003 | */ |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2004 | static QDF_STATUS csr_calc_pref_val_by_pcl(tpAniSirGlobal mac_ctx, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2005 | tCsrScanResultFilter *filter, |
| 2006 | tCsrScanResult *bss_descr) |
| 2007 | { |
| 2008 | int temp_rssi = 0, new_pref_val = 0; |
| 2009 | int orig_pref_val = 0; |
| 2010 | |
| 2011 | if (NULL == mac_ctx || NULL == bss_descr) |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2012 | return QDF_STATUS_E_FAILURE; |
Krunal Soni | 35b404c | 2016-07-14 23:36:00 -0700 | [diff] [blame] | 2013 | if (filter && (0 != filter->BSSIDs.numOfBSSIDs)) { |
| 2014 | sms_log(mac_ctx, LOGW, |
| 2015 | FL("filter has specific bssid, no point of boosting")); |
| 2016 | return QDF_STATUS_SUCCESS; |
| 2017 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2018 | |
Krunal Soni | 3091bcc | 2016-06-23 12:28:21 -0700 | [diff] [blame] | 2019 | if (is_channel_found_in_pcl(mac_ctx, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2020 | bss_descr->Result.BssDescriptor.channelId, filter) && |
| 2021 | (bss_descr->Result.BssDescriptor.rssi > PCL_RSSI_THRESHOLD)) { |
| 2022 | orig_pref_val = csr_derive_prefer_value_from_rssi(mac_ctx, |
| 2023 | bss_descr->Result.BssDescriptor.rssi); |
| 2024 | temp_rssi = bss_descr->Result.BssDescriptor.rssi + |
| 2025 | (PCL_ADVANTAGE/(CSR_NUM_RSSI_CAT - |
| 2026 | orig_pref_val)); |
| 2027 | if (temp_rssi > 0) |
| 2028 | temp_rssi = 0; |
| 2029 | new_pref_val = csr_derive_prefer_value_from_rssi(mac_ctx, |
| 2030 | temp_rssi); |
| 2031 | |
| 2032 | sms_log(mac_ctx, LOG1, |
| 2033 | FL("%pM: rssi:%d org pref=%d temp rssi:%d new pref=%d pref=%d updated pref=%d"), |
| 2034 | bss_descr->Result.BssDescriptor.bssId, |
| 2035 | bss_descr->Result.BssDescriptor.rssi, |
| 2036 | orig_pref_val, temp_rssi, new_pref_val, |
| 2037 | bss_descr->preferValue, |
| 2038 | CSR_MAX(new_pref_val, bss_descr->preferValue)); |
| 2039 | |
| 2040 | bss_descr->preferValue = |
| 2041 | CSR_MAX(new_pref_val, bss_descr->preferValue); |
| 2042 | } |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2043 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2044 | } |
| 2045 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2046 | static QDF_STATUS |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2047 | csr_parse_scan_results(tpAniSirGlobal pMac, |
| 2048 | tCsrScanResultFilter *pFilter, |
| 2049 | tScanResultList *pRetList, |
| 2050 | uint32_t *count) |
| 2051 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2052 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2053 | tListElem *pEntry; |
| 2054 | bool fMatch = false; |
| 2055 | tCsrScanResult *pBssDesc = NULL; |
| 2056 | tDot11fBeaconIEs *pIes, *pNewIes = NULL; |
| 2057 | eCsrEncryptionType uc, mc; |
| 2058 | eCsrAuthType auth = eCSR_AUTH_TYPE_OPEN_SYSTEM; |
| 2059 | uint32_t len = 0; |
| 2060 | enum cds_con_mode new_mode; |
Manishekar Chandrasekaran | 1db3abe | 2016-06-24 03:27:07 +0530 | [diff] [blame] | 2061 | uint8_t weight_list[QDF_MAX_NUM_CHAN]; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2062 | |
| 2063 | |
| 2064 | csr_ll_lock(&pMac->scan.scanResultList); |
| 2065 | |
Krunal Soni | 35b404c | 2016-07-14 23:36:00 -0700 | [diff] [blame] | 2066 | if (pFilter && (0 == pFilter->BSSIDs.numOfBSSIDs)) { |
Tushnim Bhattacharyya | ca50b32 | 2015-12-28 17:14:36 -0800 | [diff] [blame] | 2067 | if (cds_map_concurrency_mode( |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2068 | &pFilter->csrPersona, &new_mode)) { |
Tushnim Bhattacharyya | ca50b32 | 2015-12-28 17:14:36 -0800 | [diff] [blame] | 2069 | status = cds_get_pcl(new_mode, |
Manishekar Chandrasekaran | 7009f25 | 2016-04-21 19:14:15 +0530 | [diff] [blame] | 2070 | &pFilter->pcl_channels.channelList[0], &len, |
| 2071 | weight_list, QDF_ARRAY_SIZE(weight_list)); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2072 | pFilter->pcl_channels.numChannels = (uint8_t)len; |
| 2073 | } |
| 2074 | } |
| 2075 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2076 | if (QDF_STATUS_E_FAILURE == status) |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 2077 | sms_log(pMac, QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2078 | FL("Retrieving pcl failed from HDD")); |
| 2079 | pEntry = csr_ll_peek_head(&pMac->scan.scanResultList, LL_ACCESS_NOLOCK); |
| 2080 | while (pEntry) { |
| 2081 | pBssDesc = GET_BASE_ADDR(pEntry, tCsrScanResult, Link); |
| 2082 | pIes = (tDot11fBeaconIEs *) (pBssDesc->Result.pvIes); |
| 2083 | /* |
| 2084 | * if pBssDesc->Result.pvIes is NULL, we need to free any memory |
| 2085 | * allocated by csr_match_bss for any error condition, |
| 2086 | * otherwiase, it will be freed later |
| 2087 | */ |
| 2088 | fMatch = false; |
| 2089 | pNewIes = NULL; |
| 2090 | status = csr_save_ies(pMac, pFilter, pBssDesc, &pNewIes, |
| 2091 | &fMatch, &uc, &mc, &auth); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2092 | if (!QDF_IS_STATUS_SUCCESS(status)) { |
Chandrasekaran, Manishekar | ef70c0d | 2015-10-20 19:54:55 +0530 | [diff] [blame] | 2093 | sms_log(pMac, LOG1, FL("save ies fail %d"), |
| 2094 | status); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2095 | break; |
Chandrasekaran, Manishekar | ef70c0d | 2015-10-20 19:54:55 +0530 | [diff] [blame] | 2096 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2097 | /* |
| 2098 | * Modify the prefer value to honor PCL list |
| 2099 | */ |
| 2100 | if (pFilter && pFilter->pcl_channels.numChannels > 0) |
| 2101 | csr_calc_pref_val_by_pcl(pMac, pFilter, pBssDesc); |
| 2102 | status = csr_save_scan_entry(pMac, pFilter, fMatch, pBssDesc, |
| 2103 | pNewIes, pRetList, count, uc, mc, |
| 2104 | &auth); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2105 | if (!QDF_IS_STATUS_SUCCESS(status)) { |
Chandrasekaran, Manishekar | ef70c0d | 2015-10-20 19:54:55 +0530 | [diff] [blame] | 2106 | sms_log(pMac, LOG1, FL("save entry fail %d"), |
| 2107 | status); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2108 | break; |
Chandrasekaran, Manishekar | ef70c0d | 2015-10-20 19:54:55 +0530 | [diff] [blame] | 2109 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2110 | pEntry = csr_ll_next(&pMac->scan.scanResultList, pEntry, |
| 2111 | LL_ACCESS_NOLOCK); |
| 2112 | } /* while */ |
| 2113 | csr_ll_unlock(&pMac->scan.scanResultList); |
| 2114 | return status; |
| 2115 | } |
| 2116 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2117 | QDF_STATUS csr_scan_get_result(tpAniSirGlobal pMac, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2118 | tCsrScanResultFilter *pFilter, |
| 2119 | tScanResultHandle *phResult) |
| 2120 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2121 | QDF_STATUS status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2122 | tScanResultList *pRetList; |
| 2123 | uint32_t count = 0; |
| 2124 | |
| 2125 | if (phResult) |
| 2126 | *phResult = CSR_INVALID_SCANRESULT_HANDLE; |
| 2127 | |
| 2128 | csr_prefer_5ghz(pMac, pFilter); |
| 2129 | |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 2130 | pRetList = qdf_mem_malloc(sizeof(tScanResultList)); |
Chandrasekaran, Manishekar | ef70c0d | 2015-10-20 19:54:55 +0530 | [diff] [blame] | 2131 | if (NULL == pRetList) { |
| 2132 | sms_log(pMac, LOGE, FL("pRetList is NULL")); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2133 | return QDF_STATUS_E_NOMEM; |
Chandrasekaran, Manishekar | ef70c0d | 2015-10-20 19:54:55 +0530 | [diff] [blame] | 2134 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2135 | |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 2136 | qdf_mem_set(pRetList, sizeof(tScanResultList), 0); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2137 | csr_ll_open(pMac->hHdd, &pRetList->List); |
| 2138 | pRetList->pCurEntry = NULL; |
| 2139 | status = csr_parse_scan_results(pMac, pFilter, pRetList, &count); |
Chandrasekaran, Manishekar | ef70c0d | 2015-10-20 19:54:55 +0530 | [diff] [blame] | 2140 | sms_log(pMac, LOG1, FL("return %d BSS %d"), |
| 2141 | csr_ll_count(&pRetList->List), status); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2142 | if (!QDF_IS_STATUS_SUCCESS(status) || (phResult == NULL)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2143 | /* Fail or No one wants the result. */ |
| 2144 | csr_scan_result_purge(pMac, (tScanResultHandle) pRetList); |
| 2145 | } else { |
| 2146 | if (0 == count) { |
| 2147 | /* We are here meaning the there is no match */ |
| 2148 | csr_ll_close(&pRetList->List); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 2149 | qdf_mem_free(pRetList); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2150 | status = QDF_STATUS_E_NULL_VALUE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2151 | } else if (phResult) { |
| 2152 | *phResult = pRetList; |
| 2153 | } |
| 2154 | } |
| 2155 | return status; |
| 2156 | } |
| 2157 | |
| 2158 | /* |
| 2159 | * NOTE: This routine is being added to make |
| 2160 | * sure that scan results are not being flushed |
| 2161 | * while roaming. If the scan results are flushed, |
| 2162 | * we are unable to recover from |
| 2163 | * csr_roam_roaming_state_disassoc_rsp_processor. |
| 2164 | * If it is needed to remove this routine, |
| 2165 | * first ensure that we recover gracefully from |
| 2166 | * csr_roam_roaming_state_disassoc_rsp_processor if |
| 2167 | * csr_scan_get_result returns with a failure because |
| 2168 | * of not being able to find the roaming BSS. |
| 2169 | */ |
| 2170 | bool csr_scan_flush_denied(tpAniSirGlobal pMac) |
| 2171 | { |
| 2172 | uint8_t sessionId; |
| 2173 | |
| 2174 | for (sessionId = 0; sessionId < CSR_ROAM_SESSION_MAX; sessionId++) { |
| 2175 | if (CSR_IS_SESSION_VALID(pMac, sessionId)) { |
| 2176 | if (csr_neighbor_middle_of_roaming(pMac, sessionId)) |
| 2177 | return 1; |
| 2178 | } |
| 2179 | } |
| 2180 | return 0; |
| 2181 | } |
| 2182 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2183 | QDF_STATUS csr_scan_flush_result(tpAniSirGlobal pMac) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2184 | { |
| 2185 | bool isFlushDenied = csr_scan_flush_denied(pMac); |
| 2186 | |
| 2187 | if (isFlushDenied) { |
| 2188 | sms_log(pMac, LOGW, "%s: scan flush denied in roam state %d", |
| 2189 | __func__, isFlushDenied); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2190 | return QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2191 | } |
| 2192 | |
| 2193 | sms_log(pMac, LOG4, "%s: Flushing all scan results", __func__); |
| 2194 | csr_ll_scan_purge_result(pMac, &pMac->scan.tempScanResults); |
| 2195 | csr_ll_scan_purge_result(pMac, &pMac->scan.scanResultList); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2196 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2197 | } |
| 2198 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2199 | QDF_STATUS csr_scan_flush_selective_result(tpAniSirGlobal pMac, bool flushP2P) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2200 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2201 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2202 | tListElem *pEntry, *pFreeElem; |
| 2203 | tCsrScanResult *pBssDesc; |
| 2204 | tDblLinkList *pList = &pMac->scan.scanResultList; |
| 2205 | |
| 2206 | csr_ll_lock(pList); |
| 2207 | |
| 2208 | pEntry = csr_ll_peek_head(pList, LL_ACCESS_NOLOCK); |
| 2209 | while (pEntry != NULL) { |
| 2210 | pBssDesc = GET_BASE_ADDR(pEntry, tCsrScanResult, Link); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 2211 | if (flushP2P != qdf_mem_cmp(pBssDesc->Result.ssId.ssId, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2212 | "DIRECT-", 7)) { |
| 2213 | pFreeElem = pEntry; |
| 2214 | pEntry = csr_ll_next(pList, pEntry, LL_ACCESS_NOLOCK); |
| 2215 | csr_ll_remove_entry(pList, pFreeElem, LL_ACCESS_NOLOCK); |
| 2216 | csr_free_scan_result_entry(pMac, pBssDesc); |
| 2217 | continue; |
| 2218 | } |
| 2219 | pEntry = csr_ll_next(pList, pEntry, LL_ACCESS_NOLOCK); |
| 2220 | } |
| 2221 | |
| 2222 | csr_ll_unlock(pList); |
| 2223 | |
| 2224 | return status; |
| 2225 | } |
| 2226 | |
| 2227 | void csr_scan_flush_bss_entry(tpAniSirGlobal pMac, |
| 2228 | tpSmeCsaOffloadInd pCsaOffloadInd) |
| 2229 | { |
| 2230 | tListElem *pEntry, *pFreeElem; |
| 2231 | tCsrScanResult *pBssDesc; |
| 2232 | tDblLinkList *pList = &pMac->scan.scanResultList; |
| 2233 | |
| 2234 | csr_ll_lock(pList); |
| 2235 | |
| 2236 | pEntry = csr_ll_peek_head(pList, LL_ACCESS_NOLOCK); |
| 2237 | while (pEntry != NULL) { |
| 2238 | pBssDesc = GET_BASE_ADDR(pEntry, tCsrScanResult, Link); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 2239 | if (!qdf_mem_cmp(pBssDesc->Result.BssDescriptor.bssId, |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 2240 | pCsaOffloadInd->bssid.bytes, QDF_MAC_ADDR_SIZE)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2241 | pFreeElem = pEntry; |
| 2242 | pEntry = csr_ll_next(pList, pEntry, LL_ACCESS_NOLOCK); |
| 2243 | csr_ll_remove_entry(pList, pFreeElem, LL_ACCESS_NOLOCK); |
| 2244 | csr_free_scan_result_entry(pMac, pBssDesc); |
| 2245 | sms_log(pMac, LOG1, FL("Removed BSS entry:%pM"), |
Srinivas Girigowda | c9148f7 | 2015-11-25 12:42:32 -0800 | [diff] [blame] | 2246 | pCsaOffloadInd->bssid.bytes); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2247 | continue; |
| 2248 | } |
| 2249 | |
| 2250 | pEntry = csr_ll_next(pList, pEntry, LL_ACCESS_NOLOCK); |
| 2251 | } |
| 2252 | |
| 2253 | csr_ll_unlock(pList); |
| 2254 | } |
| 2255 | |
| 2256 | /** |
| 2257 | * csr_check11d_channel |
| 2258 | * |
| 2259 | ***FUNCTION: |
| 2260 | * This function is called from csr_scan_filter_results function and |
| 2261 | * compare channel number with given channel list. |
| 2262 | * |
| 2263 | ***LOGIC: |
| 2264 | * Check Scan result channel number with CFG channel list |
| 2265 | * |
| 2266 | ***ASSUMPTIONS: |
| 2267 | * |
| 2268 | * |
| 2269 | ***NOTE: |
| 2270 | * |
| 2271 | * @param channelId channel number |
| 2272 | * @param pChannelList Pointer to channel list |
| 2273 | * @param numChannels Number of channel in channel list |
| 2274 | * |
| 2275 | * @return Status |
| 2276 | */ |
| 2277 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2278 | QDF_STATUS csr_check11d_channel(uint8_t channelId, uint8_t *pChannelList, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2279 | uint32_t numChannels) |
| 2280 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2281 | QDF_STATUS status = QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2282 | uint8_t i = 0; |
| 2283 | |
| 2284 | for (i = 0; i < numChannels; i++) { |
| 2285 | if (pChannelList[i] == channelId) { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2286 | status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2287 | break; |
| 2288 | } |
| 2289 | } |
| 2290 | return status; |
| 2291 | } |
| 2292 | |
| 2293 | /** |
| 2294 | * csr_scan_filter_results |
| 2295 | * |
| 2296 | ***FUNCTION: |
| 2297 | * This function is called from csr_apply_country_information function and |
| 2298 | * filter scan result based on valid channel list number. |
| 2299 | * |
| 2300 | ***LOGIC: |
| 2301 | * Get scan result from scan list and Check Scan result channel number |
| 2302 | * with 11d channel list if channel number is found in 11d channel list |
| 2303 | * then do not remove scan result entry from scan list |
| 2304 | * |
| 2305 | ***ASSUMPTIONS: |
| 2306 | * |
| 2307 | * |
| 2308 | ***NOTE: |
| 2309 | * |
| 2310 | * @param pMac Pointer to Global MAC structure |
| 2311 | * |
| 2312 | * @return Status |
| 2313 | */ |
| 2314 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2315 | QDF_STATUS csr_scan_filter_results(tpAniSirGlobal pMac) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2316 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2317 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2318 | tListElem *pEntry, *pTempEntry; |
| 2319 | tCsrScanResult *pBssDesc; |
| 2320 | uint32_t len = sizeof(pMac->roam.validChannelList); |
| 2321 | |
| 2322 | /* Get valid channels list from CFG */ |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2323 | if (!QDF_IS_STATUS_SUCCESS(csr_get_cfg_valid_channels(pMac, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2324 | pMac->roam. |
| 2325 | validChannelList, |
| 2326 | &len))) { |
| 2327 | sms_log(pMac, LOGE, "Failed to get Channel list from CFG"); |
| 2328 | } |
| 2329 | |
| 2330 | csr_ll_lock(&pMac->scan.scanResultList); |
| 2331 | pEntry = csr_ll_peek_head(&pMac->scan.scanResultList, LL_ACCESS_NOLOCK); |
| 2332 | while (pEntry) { |
| 2333 | pBssDesc = GET_BASE_ADDR(pEntry, tCsrScanResult, Link); |
| 2334 | pTempEntry = csr_ll_next(&pMac->scan.scanResultList, pEntry, |
| 2335 | LL_ACCESS_NOLOCK); |
| 2336 | if (csr_check11d_channel(pBssDesc->Result.BssDescriptor.channelId, |
| 2337 | pMac->roam.validChannelList, len)) { |
| 2338 | /* Remove Scan result which does not have 11d channel */ |
| 2339 | if (csr_ll_remove_entry(&pMac->scan.scanResultList, |
| 2340 | pEntry, LL_ACCESS_NOLOCK)) { |
| 2341 | csr_free_scan_result_entry(pMac, pBssDesc); |
| 2342 | } |
| 2343 | } else { |
| 2344 | sms_log(pMac, LOG1, FL("%d is a Valid channel"), |
| 2345 | pBssDesc->Result.BssDescriptor.channelId); |
| 2346 | } |
| 2347 | pEntry = pTempEntry; |
| 2348 | } |
| 2349 | |
| 2350 | csr_ll_unlock(&pMac->scan.scanResultList); |
| 2351 | csr_ll_lock(&pMac->scan.tempScanResults); |
| 2352 | |
| 2353 | pEntry = csr_ll_peek_head(&pMac->scan.tempScanResults, |
| 2354 | LL_ACCESS_NOLOCK); |
| 2355 | while (pEntry) { |
| 2356 | pBssDesc = GET_BASE_ADDR(pEntry, tCsrScanResult, Link); |
| 2357 | pTempEntry = csr_ll_next(&pMac->scan.tempScanResults, pEntry, |
| 2358 | LL_ACCESS_NOLOCK); |
| 2359 | if (csr_check11d_channel(pBssDesc->Result.BssDescriptor.channelId, |
| 2360 | pMac->roam.validChannelList, len)) { |
| 2361 | /* Remove Scan result which does not have 11d channel */ |
| 2362 | if (csr_ll_remove_entry |
| 2363 | (&pMac->scan.tempScanResults, pEntry, |
| 2364 | LL_ACCESS_NOLOCK)) { |
| 2365 | csr_free_scan_result_entry(pMac, pBssDesc); |
| 2366 | } |
| 2367 | } else { |
| 2368 | sms_log(pMac, LOG1, FL("%d is a Valid channel"), |
| 2369 | pBssDesc->Result.BssDescriptor.channelId); |
| 2370 | } |
| 2371 | pEntry = pTempEntry; |
| 2372 | } |
| 2373 | |
| 2374 | csr_ll_unlock(&pMac->scan.tempScanResults); |
| 2375 | return status; |
| 2376 | } |
| 2377 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2378 | QDF_STATUS csr_scan_copy_result_list(tpAniSirGlobal pMac, tScanResultHandle hIn, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2379 | tScanResultHandle *phResult) |
| 2380 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2381 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2382 | tScanResultList *pRetList, *pInList = (tScanResultList *) hIn; |
| 2383 | tCsrScanResult *pResult, *pScanResult; |
| 2384 | uint32_t count = 0; |
| 2385 | tListElem *pEntry; |
| 2386 | uint32_t bssLen, allocLen; |
| 2387 | |
| 2388 | if (phResult) { |
| 2389 | *phResult = CSR_INVALID_SCANRESULT_HANDLE; |
| 2390 | } |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 2391 | pRetList = qdf_mem_malloc(sizeof(tScanResultList)); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2392 | if (NULL == pRetList) |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2393 | status = QDF_STATUS_E_NOMEM; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2394 | else { |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 2395 | qdf_mem_set(pRetList, sizeof(tScanResultList), 0); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2396 | csr_ll_open(pMac->hHdd, &pRetList->List); |
| 2397 | pRetList->pCurEntry = NULL; |
| 2398 | csr_ll_lock(&pMac->scan.scanResultList); |
| 2399 | csr_ll_lock(&pInList->List); |
| 2400 | |
| 2401 | pEntry = csr_ll_peek_head(&pInList->List, LL_ACCESS_NOLOCK); |
| 2402 | while (pEntry) { |
| 2403 | pScanResult = |
| 2404 | GET_BASE_ADDR(pEntry, tCsrScanResult, Link); |
| 2405 | bssLen = |
| 2406 | pScanResult->Result.BssDescriptor.length + |
| 2407 | sizeof(pScanResult->Result.BssDescriptor.length); |
| 2408 | allocLen = sizeof(tCsrScanResult) + bssLen; |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 2409 | pResult = qdf_mem_malloc(allocLen); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2410 | if (NULL == pResult) |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2411 | status = QDF_STATUS_E_NOMEM; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2412 | else |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2413 | status = QDF_STATUS_SUCCESS; |
| 2414 | if (!QDF_IS_STATUS_SUCCESS(status)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2415 | csr_scan_result_purge(pMac, |
| 2416 | (tScanResultHandle *) |
| 2417 | pRetList); |
| 2418 | count = 0; |
| 2419 | break; |
| 2420 | } |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 2421 | qdf_mem_set(pResult, allocLen, 0); |
| 2422 | qdf_mem_copy(&pResult->Result.BssDescriptor, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2423 | &pScanResult->Result.BssDescriptor, |
| 2424 | bssLen); |
| 2425 | if (pScanResult->Result.pvIes) { |
| 2426 | pResult->Result.pvIes = |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 2427 | qdf_mem_malloc(sizeof(tDot11fBeaconIEs)); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2428 | if (NULL == pResult->Result.pvIes) |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2429 | status = QDF_STATUS_E_NOMEM; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2430 | else |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2431 | status = QDF_STATUS_SUCCESS; |
| 2432 | if (!QDF_IS_STATUS_SUCCESS(status)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2433 | /* Free the memory we allocate above first */ |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 2434 | qdf_mem_free(pResult); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2435 | csr_scan_result_purge(pMac, |
| 2436 | (tScanResultHandle *) |
| 2437 | pRetList); |
| 2438 | count = 0; |
| 2439 | break; |
| 2440 | } |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 2441 | qdf_mem_copy(pResult->Result.pvIes, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2442 | pScanResult->Result.pvIes, |
| 2443 | sizeof(tDot11fBeaconIEs)); |
| 2444 | } |
| 2445 | csr_ll_insert_tail(&pRetList->List, &pResult->Link, |
| 2446 | LL_ACCESS_LOCK); |
| 2447 | count++; |
| 2448 | pEntry = |
| 2449 | csr_ll_next(&pInList->List, pEntry, LL_ACCESS_NOLOCK); |
| 2450 | } /* while */ |
| 2451 | csr_ll_unlock(&pInList->List); |
| 2452 | csr_ll_unlock(&pMac->scan.scanResultList); |
| 2453 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2454 | if (QDF_IS_STATUS_SUCCESS(status)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2455 | if (0 == count) { |
| 2456 | csr_ll_close(&pRetList->List); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 2457 | qdf_mem_free(pRetList); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2458 | status = QDF_STATUS_E_NULL_VALUE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2459 | } else if (phResult) { |
| 2460 | *phResult = pRetList; |
| 2461 | } |
| 2462 | } |
| 2463 | } /* Allocated pRetList */ |
| 2464 | |
| 2465 | return status; |
| 2466 | } |
| 2467 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2468 | QDF_STATUS csr_scanning_state_msg_processor(tpAniSirGlobal pMac, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2469 | void *pMsgBuf) |
| 2470 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2471 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2472 | tSirMbMsg *pMsg = (tSirMbMsg *) pMsgBuf; |
| 2473 | tCsrRoamSession *pSession; |
| 2474 | tSirSmeAssocIndToUpperLayerCnf *pUpperLayerAssocCnf; |
| 2475 | tCsrRoamInfo roamInfo; |
| 2476 | tCsrRoamInfo *pRoamInfo = NULL; |
| 2477 | uint32_t sessionId; |
| 2478 | |
| 2479 | if (eWNI_SME_SCAN_RSP == pMsg->type) |
| 2480 | return csr_scan_sme_scan_response(pMac, pMsgBuf); |
| 2481 | |
| 2482 | if (pMsg->type != eWNI_SME_UPPER_LAYER_ASSOC_CNF) { |
| 2483 | if (csr_is_any_session_in_connect_state(pMac)) { |
| 2484 | /* |
| 2485 | * In case of we are connected, we need to check whether |
| 2486 | * connect status changes because scan may also run |
| 2487 | * while connected. |
| 2488 | */ |
| 2489 | csr_roam_check_for_link_status_change(pMac, |
| 2490 | (tSirSmeRsp *) pMsgBuf); |
| 2491 | } else { |
| 2492 | sms_log(pMac, LOGW, |
| 2493 | FL("Message [0x%04x] received in wrong state"), |
| 2494 | pMsg->type); |
| 2495 | } |
| 2496 | return status; |
| 2497 | } |
| 2498 | |
| 2499 | sms_log(pMac, LOG1, |
| 2500 | FL("Scanning: ASSOC cnf can be given to upper layer")); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 2501 | qdf_mem_set(&roamInfo, sizeof(tCsrRoamInfo), 0); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2502 | pRoamInfo = &roamInfo; |
| 2503 | pUpperLayerAssocCnf = (tSirSmeAssocIndToUpperLayerCnf *) pMsgBuf; |
| 2504 | status = csr_roam_get_session_id_from_bssid(pMac, |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 2505 | (struct qdf_mac_addr *)pUpperLayerAssocCnf->bssId, &sessionId); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2506 | pSession = CSR_GET_SESSION(pMac, sessionId); |
| 2507 | |
| 2508 | if (!pSession) { |
| 2509 | sms_log(pMac, LOGE, FL("session %d not found"), sessionId); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2510 | return QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2511 | } |
| 2512 | |
| 2513 | /* send the status code as Success */ |
| 2514 | pRoamInfo->statusCode = eSIR_SME_SUCCESS; |
| 2515 | pRoamInfo->u.pConnectedProfile = &pSession->connectedProfile; |
| 2516 | pRoamInfo->staId = (uint8_t) pUpperLayerAssocCnf->aid; |
| 2517 | pRoamInfo->rsnIELen = (uint8_t) pUpperLayerAssocCnf->rsnIE.length; |
| 2518 | pRoamInfo->prsnIE = pUpperLayerAssocCnf->rsnIE.rsnIEdata; |
| 2519 | pRoamInfo->addIELen = (uint8_t) pUpperLayerAssocCnf->addIE.length; |
| 2520 | pRoamInfo->paddIE = pUpperLayerAssocCnf->addIE.addIEdata; |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 2521 | qdf_mem_copy(pRoamInfo->peerMac.bytes, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2522 | pUpperLayerAssocCnf->peerMacAddr, |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 2523 | QDF_MAC_ADDR_SIZE); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 2524 | qdf_mem_copy(&pRoamInfo->bssid.bytes, pUpperLayerAssocCnf->bssId, |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 2525 | QDF_MAC_ADDR_SIZE); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2526 | pRoamInfo->wmmEnabledSta = pUpperLayerAssocCnf->wmmEnabledSta; |
| 2527 | if (CSR_IS_INFRA_AP(pRoamInfo->u.pConnectedProfile)) { |
| 2528 | pMac->roam.roamSession[sessionId].connectState = |
| 2529 | eCSR_ASSOC_STATE_TYPE_INFRA_CONNECTED; |
| 2530 | pRoamInfo->fReassocReq = pUpperLayerAssocCnf->reassocReq; |
| 2531 | status = csr_roam_call_callback(pMac, sessionId, |
| 2532 | pRoamInfo, 0, |
| 2533 | eCSR_ROAM_INFRA_IND, |
| 2534 | eCSR_ROAM_RESULT_INFRA_ASSOCIATION_CNF); |
| 2535 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2536 | return status; |
| 2537 | } |
| 2538 | |
| 2539 | void csr_check_n_save_wsc_ie(tpAniSirGlobal pMac, tSirBssDescription *pNewBssDescr, |
| 2540 | tSirBssDescription *pOldBssDescr) |
| 2541 | { |
| 2542 | int idx, len; |
| 2543 | uint8_t *pbIe; |
| 2544 | |
| 2545 | /* If failed to remove, assuming someone else got it. */ |
| 2546 | if ((pNewBssDescr->fProbeRsp != pOldBssDescr->fProbeRsp) && |
| 2547 | (0 == pNewBssDescr->WscIeLen)) { |
| 2548 | idx = 0; |
| 2549 | len = pOldBssDescr->length - sizeof(tSirBssDescription) + |
| 2550 | sizeof(uint16_t) + sizeof(uint32_t) - |
| 2551 | DOT11F_IE_WSCPROBERES_MIN_LEN - 2; |
| 2552 | pbIe = (uint8_t *) pOldBssDescr->ieFields; |
| 2553 | /* Save WPS IE if it exists */ |
| 2554 | pNewBssDescr->WscIeLen = 0; |
| 2555 | while (idx < len) { |
| 2556 | if ((DOT11F_EID_WSCPROBERES == pbIe[0]) && |
| 2557 | (0x00 == pbIe[2]) && (0x50 == pbIe[3]) |
| 2558 | && (0xf2 == pbIe[4]) && (0x04 == pbIe[5])) { |
| 2559 | /* Founrd it */ |
| 2560 | if ((DOT11F_IE_WSCPROBERES_MAX_LEN - 2) >= |
| 2561 | pbIe[1]) { |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 2562 | qdf_mem_copy(pNewBssDescr-> |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2563 | WscIeProbeRsp, pbIe, |
| 2564 | pbIe[1] + 2); |
| 2565 | pNewBssDescr->WscIeLen = pbIe[1] + 2; |
| 2566 | } |
| 2567 | break; |
| 2568 | } |
| 2569 | idx += pbIe[1] + 2; |
| 2570 | pbIe += pbIe[1] + 2; |
| 2571 | } |
| 2572 | } |
| 2573 | } |
| 2574 | |
| 2575 | /* pIes may be NULL */ |
| 2576 | bool csr_remove_dup_bss_description(tpAniSirGlobal pMac, |
| 2577 | tSirBssDescription *bss_dscp, |
| 2578 | tDot11fBeaconIEs *pIes, tAniSSID *pSsid, |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 2579 | unsigned long *timer, bool fForced) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2580 | { |
| 2581 | tListElem *pEntry; |
| 2582 | tCsrScanResult *scan_entry; |
| 2583 | bool fRC = false; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2584 | |
| 2585 | /* |
| 2586 | * Walk through all the chained BssDescriptions. If we find a chained |
| 2587 | * BssDescription that matches the BssID of the BssDescription passed |
| 2588 | * in, then these must be duplicate scan results for this Bss. In that |
| 2589 | * case, remove the 'old' Bss description from the linked list. |
| 2590 | */ |
| 2591 | csr_ll_lock(&pMac->scan.scanResultList); |
| 2592 | pEntry = csr_ll_peek_head(&pMac->scan.scanResultList, LL_ACCESS_NOLOCK); |
| 2593 | |
| 2594 | while (pEntry) { |
| 2595 | scan_entry = GET_BASE_ADDR(pEntry, tCsrScanResult, Link); |
| 2596 | /* |
| 2597 | * we have a duplicate scan results only when BSSID, SSID, |
| 2598 | * Channel and NetworkType matches |
| 2599 | */ |
| 2600 | if (csr_is_duplicate_bss_description(pMac, |
| 2601 | &scan_entry->Result.BssDescriptor, |
| 2602 | bss_dscp, pIes, fForced)) { |
Deepak Dhamdhere | 652d7e8 | 2015-08-06 14:16:53 -0700 | [diff] [blame] | 2603 | if (bss_dscp->rx_channel == bss_dscp->channelId) { |
| 2604 | /* |
| 2605 | * Update rssi values only if beacon is |
| 2606 | * received on the same channel that was |
| 2607 | * sent on. |
| 2608 | */ |
| 2609 | int32_t rssi_new, rssi_old; |
| 2610 | const int32_t weight = |
| 2611 | CSR_SCAN_RESULT_RSSI_WEIGHT; |
Deepak Dhamdhere | 68929ec | 2015-08-05 15:16:35 -0700 | [diff] [blame] | 2612 | |
Deepak Dhamdhere | 652d7e8 | 2015-08-06 14:16:53 -0700 | [diff] [blame] | 2613 | rssi_new = (int32_t) bss_dscp->rssi; |
| 2614 | rssi_old = (int32_t) scan_entry-> |
| 2615 | Result.BssDescriptor.rssi; |
| 2616 | rssi_new = ((rssi_new * weight) + |
| 2617 | rssi_old * (100 - weight)) / 100; |
| 2618 | bss_dscp->rssi = (int8_t) rssi_new; |
Deepak Dhamdhere | 68929ec | 2015-08-05 15:16:35 -0700 | [diff] [blame] | 2619 | |
Deepak Dhamdhere | 652d7e8 | 2015-08-06 14:16:53 -0700 | [diff] [blame] | 2620 | rssi_new = (int32_t) bss_dscp->rssi_raw; |
| 2621 | rssi_old = (int32_t) scan_entry-> |
| 2622 | Result.BssDescriptor.rssi_raw; |
| 2623 | rssi_new = ((rssi_new * weight) + |
| 2624 | rssi_old * (100 - weight)) / 100; |
| 2625 | bss_dscp->rssi_raw = (int8_t) rssi_new; |
| 2626 | } |
Deepak Dhamdhere | 68929ec | 2015-08-05 15:16:35 -0700 | [diff] [blame] | 2627 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2628 | /* Remove the old entry from the list */ |
| 2629 | if (csr_ll_remove_entry |
| 2630 | (&pMac->scan.scanResultList, pEntry, |
| 2631 | LL_ACCESS_NOLOCK)) { |
| 2632 | /* |
| 2633 | * we need to free the memory associated with |
| 2634 | * this node. If failed to remove, assuming |
| 2635 | * someone else got it. |
| 2636 | */ |
| 2637 | *pSsid = scan_entry->Result.ssId; |
| 2638 | *timer = scan_entry->Result.timer; |
| 2639 | csr_check_n_save_wsc_ie(pMac, bss_dscp, |
| 2640 | &scan_entry->Result. |
| 2641 | BssDescriptor); |
| 2642 | csr_free_scan_result_entry(pMac, scan_entry); |
| 2643 | } else { |
| 2644 | sms_log(pMac, LOGW, FL("fail to remove entry")); |
| 2645 | } |
| 2646 | fRC = true; |
| 2647 | /* |
| 2648 | * If we found a match, we can stop looking through |
| 2649 | * the list. |
| 2650 | */ |
| 2651 | break; |
| 2652 | } |
| 2653 | pEntry = csr_ll_next(&pMac->scan.scanResultList, pEntry, |
| 2654 | LL_ACCESS_NOLOCK); |
| 2655 | } |
| 2656 | |
| 2657 | csr_ll_unlock(&pMac->scan.scanResultList); |
| 2658 | return fRC; |
| 2659 | } |
| 2660 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2661 | QDF_STATUS csr_add_pmkid_candidate_list(tpAniSirGlobal pMac, uint32_t sessionId, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2662 | tSirBssDescription *pBssDesc, |
| 2663 | tDot11fBeaconIEs *pIes) |
| 2664 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2665 | QDF_STATUS status = QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2666 | tCsrRoamSession *pSession = CSR_GET_SESSION(pMac, sessionId); |
| 2667 | tPmkidCandidateInfo *pmkid_info = NULL; |
| 2668 | #ifdef FEATURE_WLAN_DIAG_SUPPORT_CSR |
| 2669 | WLAN_HOST_DIAG_EVENT_DEF(secEvent, |
| 2670 | host_event_wlan_security_payload_type); |
| 2671 | #endif /* FEATURE_WLAN_DIAG_SUPPORT_CSR */ |
| 2672 | if (!pSession) { |
| 2673 | sms_log(pMac, LOGE, FL(" session %d not found "), sessionId); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2674 | return QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2675 | } |
| 2676 | |
| 2677 | sms_log(pMac, LOGW, FL("NumPmkidCandidate = %d"), |
| 2678 | pSession->NumPmkidCandidate); |
| 2679 | if (!pIes) |
| 2680 | return status; |
| 2681 | /* check if this is a RSN BSS */ |
| 2682 | if (!pIes->RSN.present) |
| 2683 | return status; |
| 2684 | |
| 2685 | if (pSession->NumPmkidCandidate >= CSR_MAX_PMKID_ALLOWED) |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2686 | return QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2687 | |
| 2688 | /* BSS is capable of doing pre-authentication */ |
| 2689 | #ifdef FEATURE_WLAN_DIAG_SUPPORT_CSR |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 2690 | qdf_mem_set(&secEvent, sizeof(host_event_wlan_security_payload_type), |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2691 | 0); |
| 2692 | secEvent.eventId = WLAN_SECURITY_EVENT_PMKID_CANDIDATE_FOUND; |
| 2693 | secEvent.encryptionModeMulticast = (uint8_t)diag_enc_type_from_csr_type( |
| 2694 | pSession->connectedProfile.mcEncryptionType); |
| 2695 | secEvent.encryptionModeUnicast = (uint8_t)diag_enc_type_from_csr_type( |
| 2696 | pSession->connectedProfile.EncryptionType); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 2697 | qdf_mem_copy(secEvent.bssid, pSession->connectedProfile.bssid.bytes, |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 2698 | QDF_MAC_ADDR_SIZE); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2699 | secEvent.authMode = (uint8_t)diag_auth_type_from_csr_type( |
| 2700 | pSession->connectedProfile.AuthType); |
| 2701 | WLAN_HOST_DIAG_EVENT_REPORT(&secEvent, EVENT_WLAN_SECURITY); |
| 2702 | #endif /* #ifdef FEATURE_WLAN_DIAG_SUPPORT_CSR */ |
| 2703 | |
| 2704 | pmkid_info = &pSession->PmkidCandidateInfo[pSession->NumPmkidCandidate]; |
| 2705 | /* if yes, then add to PMKIDCandidateList */ |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 2706 | qdf_mem_copy(pmkid_info->BSSID.bytes, pBssDesc->bssId, |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 2707 | QDF_MAC_ADDR_SIZE); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2708 | /* Bit 0 offirst byte - PreAuthentication Capability */ |
| 2709 | if ((pIes->RSN.RSN_Cap[0] >> 0) & 0x1) |
| 2710 | pmkid_info->preAuthSupported = true; |
| 2711 | else |
| 2712 | pmkid_info->preAuthSupported = false; |
| 2713 | pSession->NumPmkidCandidate++; |
| 2714 | return status; |
| 2715 | } |
| 2716 | |
| 2717 | /* |
| 2718 | * This function checks whether new AP is found for the current connected |
| 2719 | * profile. If it is found, it return the sessionId, else it return invalid |
| 2720 | * sessionID |
| 2721 | */ |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2722 | QDF_STATUS csr_process_bss_desc_for_pmkid_list(tpAniSirGlobal pMac, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2723 | tSirBssDescription *pBssDesc, |
| 2724 | tDot11fBeaconIEs *pIes, |
| 2725 | uint8_t sessionId) |
| 2726 | { |
| 2727 | tCsrRoamSession *pSession; |
| 2728 | tDot11fBeaconIEs *pIesLocal = pIes; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2729 | QDF_STATUS status = QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2730 | |
| 2731 | if (!(pIesLocal || |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2732 | QDF_IS_STATUS_SUCCESS( |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2733 | csr_get_parsed_bss_description_ies(pMac, pBssDesc, |
| 2734 | &pIesLocal)))) |
| 2735 | return status; |
| 2736 | |
| 2737 | if (!CSR_IS_SESSION_VALID(pMac, sessionId)) { |
| 2738 | if (!pIes) |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 2739 | qdf_mem_free(pIesLocal); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2740 | return status; |
| 2741 | } |
| 2742 | |
| 2743 | pSession = CSR_GET_SESSION(pMac, sessionId); |
| 2744 | if (csr_is_conn_state_connected_infra(pMac, sessionId) |
| 2745 | && (eCSR_AUTH_TYPE_RSN == pSession->connectedProfile.AuthType) |
| 2746 | && csr_match_bss_to_connect_profile(pMac, |
| 2747 | &pSession->connectedProfile, |
| 2748 | pBssDesc, pIesLocal)) { |
| 2749 | /* This new BSS fits the current profile connected */ |
| 2750 | status = csr_add_pmkid_candidate_list(pMac, sessionId, |
| 2751 | pBssDesc, pIesLocal); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2752 | if (!QDF_IS_STATUS_SUCCESS(status)) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2753 | sms_log(pMac, LOGE, |
| 2754 | FL("csr_add_pmkid_candidate_list failed")); |
| 2755 | else |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2756 | status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2757 | } |
| 2758 | |
| 2759 | if (!pIes) |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 2760 | qdf_mem_free(pIesLocal); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2761 | |
| 2762 | return status; |
| 2763 | } |
| 2764 | |
| 2765 | #ifdef FEATURE_WLAN_WAPI |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2766 | QDF_STATUS csr_add_bkid_candidate_list(tpAniSirGlobal pMac, uint32_t sessionId, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2767 | tSirBssDescription *pBssDesc, |
| 2768 | tDot11fBeaconIEs *pIes) |
| 2769 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2770 | QDF_STATUS status = QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2771 | tCsrRoamSession *pSession = CSR_GET_SESSION(pMac, sessionId); |
| 2772 | |
| 2773 | if (!pSession) { |
| 2774 | sms_log(pMac, LOGE, FL(" session %d not found "), sessionId); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2775 | return QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2776 | } |
| 2777 | |
| 2778 | sms_log(pMac, LOGW, |
| 2779 | "csr_add_bkid_candidate_list called pMac->scan.NumBkidCandidate = %d", |
| 2780 | pSession->NumBkidCandidate); |
| 2781 | if (pIes) { |
| 2782 | /* check if this is a WAPI BSS */ |
| 2783 | if (pIes->WAPI.present) { |
| 2784 | /* Check if the BSS is capable of doing pre-authentication */ |
| 2785 | if (pSession->NumBkidCandidate < CSR_MAX_BKID_ALLOWED) { |
| 2786 | |
| 2787 | /* if yes, then add to BKIDCandidateList */ |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 2788 | qdf_mem_copy(pSession-> |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2789 | BkidCandidateInfo[pSession-> |
| 2790 | NumBkidCandidate]. |
| 2791 | BSSID.bytes, pBssDesc->bssId, |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 2792 | QDF_MAC_ADDR_SIZE); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2793 | if (pIes->WAPI.preauth) { |
| 2794 | pSession->BkidCandidateInfo[pSession-> |
| 2795 | NumBkidCandidate]. |
| 2796 | preAuthSupported = true; |
| 2797 | } else { |
| 2798 | pSession->BkidCandidateInfo[pSession-> |
| 2799 | NumBkidCandidate]. |
| 2800 | preAuthSupported = false; |
| 2801 | } |
| 2802 | pSession->NumBkidCandidate++; |
| 2803 | } else { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2804 | status = QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2805 | } |
| 2806 | } |
| 2807 | } |
| 2808 | |
| 2809 | return status; |
| 2810 | } |
| 2811 | |
| 2812 | /* |
| 2813 | * This function checks whether new AP is found for the current connected |
| 2814 | * profile, if so add to BKIDCandidateList |
| 2815 | */ |
| 2816 | bool csr_process_bss_desc_for_bkid_list(tpAniSirGlobal pMac, |
| 2817 | tSirBssDescription *pBssDesc, |
| 2818 | tDot11fBeaconIEs *pIes) |
| 2819 | { |
| 2820 | bool fRC = false; |
| 2821 | tDot11fBeaconIEs *pIesLocal = pIes; |
| 2822 | uint32_t sessionId; |
| 2823 | tCsrRoamSession *pSession; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2824 | QDF_STATUS status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2825 | |
| 2826 | if (!(pIesLocal || |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2827 | QDF_IS_STATUS_SUCCESS( |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2828 | csr_get_parsed_bss_description_ies(pMac, pBssDesc, |
| 2829 | &pIesLocal)))) |
| 2830 | return fRC; |
| 2831 | |
| 2832 | for (sessionId = 0; sessionId < CSR_ROAM_SESSION_MAX; sessionId++) { |
| 2833 | if (!CSR_IS_SESSION_VALID(pMac, sessionId)) |
| 2834 | continue; |
| 2835 | pSession = CSR_GET_SESSION(pMac, sessionId); |
| 2836 | if (csr_is_conn_state_connected_infra(pMac, sessionId) |
| 2837 | && (eCSR_AUTH_TYPE_WAPI_WAI_CERTIFICATE == |
| 2838 | pSession->connectedProfile.AuthType) |
| 2839 | && csr_match_bss_to_connect_profile(pMac, |
| 2840 | &pSession->connectedProfile, |
| 2841 | pBssDesc, pIesLocal)) { |
| 2842 | /* this new BSS fits the current profile connected */ |
| 2843 | status = csr_add_bkid_candidate_list(pMac, sessionId, |
| 2844 | pBssDesc, pIesLocal); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2845 | if (QDF_IS_STATUS_SUCCESS(status)) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2846 | fRC = true; |
| 2847 | } |
| 2848 | } |
| 2849 | if (!pIes) |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 2850 | qdf_mem_free(pIesLocal); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2851 | return fRC; |
| 2852 | } |
| 2853 | |
| 2854 | #endif |
| 2855 | |
| 2856 | static void |
| 2857 | csr_remove_from_tmp_list(tpAniSirGlobal mac_ctx, |
| 2858 | uint8_t reason, |
| 2859 | uint8_t session_id) |
| 2860 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2861 | QDF_STATUS status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2862 | tListElem *entry; |
| 2863 | tCsrScanResult *bss_dscp; |
| 2864 | tDot11fBeaconIEs *local_ie = NULL; |
| 2865 | bool dup_bss; |
| 2866 | tAniSSID tmpSsid; |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 2867 | unsigned long timer = 0; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2868 | |
| 2869 | tmpSsid.length = 0; |
| 2870 | while ((entry = csr_ll_remove_tail(&mac_ctx->scan.tempScanResults, |
| 2871 | LL_ACCESS_LOCK)) != NULL) { |
| 2872 | bss_dscp = GET_BASE_ADDR(entry, tCsrScanResult, Link); |
| 2873 | sms_log(mac_ctx, LOG2, |
| 2874 | FL("...Bssid= "MAC_ADDRESS_STR" chan= %d, rssi = -%d"), |
| 2875 | MAC_ADDR_ARRAY(bss_dscp->Result.BssDescriptor. |
| 2876 | bssId), |
| 2877 | bss_dscp->Result.BssDescriptor.channelId, |
| 2878 | bss_dscp->Result.BssDescriptor.rssi * (-1)); |
| 2879 | |
| 2880 | /* At this time, bss_dscp->Result.pvIes may be NULL */ |
| 2881 | local_ie = (tDot11fBeaconIEs *)(bss_dscp->Result.pvIes); |
| 2882 | status = csr_get_parsed_bss_description_ies(mac_ctx, |
| 2883 | &bss_dscp->Result.BssDescriptor, &local_ie); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2884 | if (!(local_ie || QDF_IS_STATUS_SUCCESS(status))) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2885 | sms_log(mac_ctx, LOGE, FL("Cannot pared IEs")); |
| 2886 | csr_free_scan_result_entry(mac_ctx, bss_dscp); |
| 2887 | continue; |
| 2888 | } |
| 2889 | dup_bss = csr_remove_dup_bss_description(mac_ctx, |
| 2890 | &bss_dscp->Result.BssDescriptor, |
| 2891 | local_ie, &tmpSsid, &timer, false); |
| 2892 | /* |
| 2893 | * Check whether we have reach out limit, but don't lose the |
| 2894 | * LFR candidates came from FW |
| 2895 | */ |
| 2896 | if (CSR_SCAN_IS_OVER_BSS_LIMIT(mac_ctx)) { |
| 2897 | sms_log(mac_ctx, LOGW, FL("BSS limit reached")); |
| 2898 | if ((bss_dscp->Result.pvIes == NULL) && local_ie) |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 2899 | qdf_mem_free(local_ie); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2900 | csr_free_scan_result_entry(mac_ctx, bss_dscp); |
| 2901 | /* Continue because there may be duplicated BSS */ |
| 2902 | continue; |
| 2903 | } |
| 2904 | /* check for duplicate scan results */ |
| 2905 | if (!dup_bss) { |
| 2906 | status = csr_process_bss_desc_for_pmkid_list(mac_ctx, |
| 2907 | &bss_dscp->Result.BssDescriptor, |
| 2908 | local_ie, session_id); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2909 | if (QDF_IS_STATUS_SUCCESS(status)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2910 | /* Found a new BSS */ |
| 2911 | csr_roam_call_callback(mac_ctx, session_id, |
| 2912 | NULL, 0, eCSR_ROAM_SCAN_FOUND_NEW_BSS, |
| 2913 | eCSR_ROAM_RESULT_NONE); |
| 2914 | } |
| 2915 | } else { |
| 2916 | /* |
| 2917 | * Check if the new one has SSID it it, if not, use |
| 2918 | * the older SSID if it exists. |
| 2919 | * |
| 2920 | * New BSS has a hidden SSID and old one has the SSID. |
| 2921 | * Keep the SSID only if diff of saved SSID time and |
| 2922 | * current time is less than 1 min to avoid side effect |
| 2923 | * of saving SSID with old one is that if AP changes |
| 2924 | * its SSID while remain hidden, we may never see it |
| 2925 | * and also to address the requirement of When we remove |
| 2926 | * hidden ssid from the profile i.e., forget the SSID |
| 2927 | * via GUI that SSID shouldn't see in the profile |
| 2928 | */ |
Anurag Chouhan | 210db07 | 2016-02-22 18:42:15 +0530 | [diff] [blame] | 2929 | unsigned long time_gap = qdf_mc_timer_get_system_time() - |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2930 | timer; |
| 2931 | if ((0 == bss_dscp->Result.ssId.length) |
| 2932 | && (time_gap <= HIDDEN_TIMER) |
| 2933 | && tmpSsid.length) { |
| 2934 | bss_dscp->Result.timer = timer; |
| 2935 | bss_dscp->Result.ssId = tmpSsid; |
| 2936 | } |
| 2937 | } |
| 2938 | |
| 2939 | if (csr_is11d_supported(mac_ctx) |
| 2940 | && local_ie->Country.present) { |
| 2941 | csr_add_vote_for_country_info(mac_ctx, |
| 2942 | local_ie->Country.country); |
| 2943 | sms_log(mac_ctx, LOGW, |
| 2944 | FL("11d AP Bssid "MAC_ADDRESS_STR |
| 2945 | " chan= %d, rssi = -%d, countryCode %c%c"), |
| 2946 | MAC_ADDR_ARRAY( |
| 2947 | bss_dscp->Result.BssDescriptor.bssId), |
| 2948 | bss_dscp->Result.BssDescriptor.channelId, |
| 2949 | bss_dscp->Result.BssDescriptor.rssi * (-1), |
| 2950 | local_ie->Country.country[0], |
| 2951 | local_ie->Country.country[1]); |
| 2952 | } |
| 2953 | /* append to main list */ |
| 2954 | csr_scan_add_result(mac_ctx, bss_dscp, local_ie, session_id); |
| 2955 | if ((bss_dscp->Result.pvIes == NULL) && local_ie) |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 2956 | qdf_mem_free(local_ie); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2957 | } /* end of loop */ |
| 2958 | } |
| 2959 | |
| 2960 | static void csr_move_temp_scan_results_to_main_list(tpAniSirGlobal pMac, |
| 2961 | uint8_t reason, |
| 2962 | uint8_t sessionId) |
| 2963 | { |
| 2964 | tCsrRoamSession *pSession; |
| 2965 | uint32_t i; |
| 2966 | |
| 2967 | /* remove the BSS descriptions from temporary list */ |
| 2968 | csr_remove_from_tmp_list(pMac, reason, sessionId); |
| 2969 | /* |
| 2970 | * We don't need to update CC while connected to an AP which is |
| 2971 | * advertising CC already |
| 2972 | */ |
| 2973 | if (!csr_is11d_supported(pMac)) |
| 2974 | return; |
| 2975 | |
| 2976 | for (i = 0; i < CSR_ROAM_SESSION_MAX; i++) { |
| 2977 | if (!CSR_IS_SESSION_VALID(pMac, i)) |
| 2978 | continue; |
| 2979 | pSession = CSR_GET_SESSION(pMac, i); |
| 2980 | if (csr_is_conn_state_connected(pMac, i)) { |
| 2981 | sms_log(pMac, LOGW, |
| 2982 | FL("No need to update CC in connected state")); |
| 2983 | return; |
| 2984 | } |
| 2985 | } |
Agrawal Ashish | fb87b16 | 2016-05-05 16:31:20 +0530 | [diff] [blame] | 2986 | if (csr_elected_country_info(pMac)) |
| 2987 | csr_learn_11dcountry_information(pMac, NULL, NULL, true); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2988 | } |
| 2989 | |
| 2990 | static tCsrScanResult *csr_scan_save_bss_description(tpAniSirGlobal pMac, |
| 2991 | tSirBssDescription * |
| 2992 | pBSSDescription, |
| 2993 | tDot11fBeaconIEs *pIes, |
| 2994 | uint8_t sessionId) |
| 2995 | { |
| 2996 | tCsrScanResult *pCsrBssDescription = NULL; |
| 2997 | uint32_t cbBSSDesc; |
| 2998 | uint32_t cbAllocated; |
| 2999 | |
| 3000 | /* figure out how big the BSS description is (the BSSDesc->length does NOT */ |
| 3001 | /* include the size of the length field itself). */ |
| 3002 | cbBSSDesc = pBSSDescription->length + sizeof(pBSSDescription->length); |
| 3003 | |
| 3004 | cbAllocated = sizeof(tCsrScanResult) + cbBSSDesc; |
| 3005 | |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3006 | pCsrBssDescription = qdf_mem_malloc(cbAllocated); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3007 | if (NULL != pCsrBssDescription) { |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3008 | qdf_mem_set(pCsrBssDescription, cbAllocated, 0); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3009 | pCsrBssDescription->AgingCount = |
| 3010 | (int32_t) pMac->roam.configParam.agingCount; |
| 3011 | sms_log(pMac, LOGW, |
| 3012 | FL(" Set Aging Count = %d for BSS " MAC_ADDRESS_STR " "), |
| 3013 | pCsrBssDescription->AgingCount, |
| 3014 | MAC_ADDR_ARRAY(pCsrBssDescription->Result.BssDescriptor. |
| 3015 | bssId)); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3016 | qdf_mem_copy(&pCsrBssDescription->Result.BssDescriptor, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3017 | pBSSDescription, cbBSSDesc); |
Anurag Chouhan | f04e84f | 2016-03-03 10:12:12 +0530 | [diff] [blame] | 3018 | #if defined(QDF_ENSBALED) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3019 | if (NULL != pCsrBssDescription->Result.pvIes) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 3020 | QDF_ASSERT(pCsrBssDescription->Result.pvIes == NULL); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3021 | return NULL; |
| 3022 | } |
| 3023 | #endif |
| 3024 | csr_scan_add_result(pMac, pCsrBssDescription, pIes, sessionId); |
| 3025 | } |
| 3026 | |
| 3027 | return pCsrBssDescription; |
| 3028 | } |
| 3029 | |
| 3030 | /* Append a Bss Description... */ |
| 3031 | tCsrScanResult *csr_scan_append_bss_description(tpAniSirGlobal pMac, |
| 3032 | tSirBssDescription * |
| 3033 | pSirBssDescription, |
| 3034 | tDot11fBeaconIEs *pIes, |
| 3035 | bool fForced, uint8_t sessionId) |
| 3036 | { |
| 3037 | tCsrScanResult *pCsrBssDescription = NULL; |
| 3038 | tAniSSID tmpSsid; |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 3039 | unsigned long timer = 0; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3040 | int result; |
| 3041 | |
| 3042 | tmpSsid.length = 0; |
| 3043 | result = csr_remove_dup_bss_description(pMac, pSirBssDescription, |
| 3044 | pIes, &tmpSsid, &timer, |
| 3045 | fForced); |
| 3046 | pCsrBssDescription = csr_scan_save_bss_description(pMac, |
| 3047 | pSirBssDescription, pIes, sessionId); |
| 3048 | if (result && (pCsrBssDescription != NULL)) { |
| 3049 | /* |
| 3050 | * Check if the new one has SSID it it, if not, use the older |
| 3051 | * SSID if it exists. |
| 3052 | */ |
| 3053 | if ((0 == pCsrBssDescription->Result.ssId.length) |
| 3054 | && tmpSsid.length) { |
| 3055 | /* |
| 3056 | * New BSS has a hidden SSID and old one has the SSID. |
| 3057 | * Keep the SSID only if diff of saved SSID time and |
| 3058 | * current time is less than 1 min to avoid side effect |
| 3059 | * of saving SSID with old one is that if AP changes its |
| 3060 | * SSID while remain hidden, we may never see it and |
| 3061 | * also to address the requirement of. When we remove |
| 3062 | * hidden ssid from the profile i.e., forget the SSID |
| 3063 | * via GUI that SSID shouldn't see in the profile |
| 3064 | */ |
Anurag Chouhan | 210db07 | 2016-02-22 18:42:15 +0530 | [diff] [blame] | 3065 | if ((qdf_mc_timer_get_system_time() - timer) <= |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3066 | HIDDEN_TIMER) { |
| 3067 | pCsrBssDescription->Result.ssId = tmpSsid; |
| 3068 | pCsrBssDescription->Result.timer = timer; |
| 3069 | } |
| 3070 | } |
| 3071 | } |
| 3072 | |
| 3073 | return pCsrBssDescription; |
| 3074 | } |
| 3075 | |
| 3076 | void csr_purge_channel_power(tpAniSirGlobal pMac, tDblLinkList *pChannelList) |
| 3077 | { |
| 3078 | tCsrChannelPowerInfo *pChannelSet; |
| 3079 | tListElem *pEntry; |
| 3080 | |
| 3081 | csr_ll_lock(pChannelList); |
| 3082 | /* |
| 3083 | * Remove the channel sets from the learned list and put them |
| 3084 | * in the free list |
| 3085 | */ |
| 3086 | while ((pEntry = csr_ll_remove_head(pChannelList, |
| 3087 | LL_ACCESS_NOLOCK)) != NULL) { |
| 3088 | pChannelSet = GET_BASE_ADDR(pEntry, tCsrChannelPowerInfo, link); |
| 3089 | if (pChannelSet) |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3090 | qdf_mem_free(pChannelSet); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3091 | } |
| 3092 | csr_ll_unlock(pChannelList); |
| 3093 | return; |
| 3094 | } |
| 3095 | |
| 3096 | /* |
| 3097 | * Save the channelList into the ultimate storage as the final stage of channel |
| 3098 | * Input: pCountryInfo -- the country code (e.g. "USI"), channel list, and power |
| 3099 | * limit are all stored inside this data structure |
| 3100 | */ |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 3101 | QDF_STATUS csr_save_to_channel_power2_g_5_g(tpAniSirGlobal pMac, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3102 | uint32_t tableSize, |
| 3103 | tSirMacChanInfo *channelTable) |
| 3104 | { |
| 3105 | uint32_t i = tableSize / sizeof(tSirMacChanInfo); |
| 3106 | tSirMacChanInfo *pChannelInfo; |
| 3107 | tCsrChannelPowerInfo *pChannelSet; |
| 3108 | bool f2GHzInfoFound = false; |
| 3109 | bool f2GListPurged = false, f5GListPurged = false; |
| 3110 | |
| 3111 | pChannelInfo = channelTable; |
| 3112 | /* atleast 3 bytes have to be remaining -- from "countryString" */ |
| 3113 | while (i--) { |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3114 | pChannelSet = qdf_mem_malloc(sizeof(tCsrChannelPowerInfo)); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3115 | if (NULL == pChannelSet) { |
| 3116 | pChannelInfo++; |
| 3117 | continue; |
| 3118 | } |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3119 | qdf_mem_set(pChannelSet, sizeof(tCsrChannelPowerInfo), 0); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3120 | pChannelSet->firstChannel = pChannelInfo->firstChanNum; |
| 3121 | pChannelSet->numChannels = pChannelInfo->numChannels; |
| 3122 | /* |
| 3123 | * Now set the inter-channel offset based on the frequency band |
| 3124 | * the channel set lies in |
| 3125 | */ |
| 3126 | if ((CDS_IS_CHANNEL_24GHZ(pChannelSet->firstChannel)) && |
| 3127 | ((pChannelSet->firstChannel + |
| 3128 | (pChannelSet->numChannels - 1)) <= |
Amar Singhal | 7a1726a | 2015-10-14 16:28:11 -0700 | [diff] [blame] | 3129 | CDS_MAX_24GHZ_CHANNEL_NUMBER)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3130 | pChannelSet->interChannelOffset = 1; |
| 3131 | f2GHzInfoFound = true; |
| 3132 | } else if ((CDS_IS_CHANNEL_5GHZ(pChannelSet->firstChannel)) |
| 3133 | && ((pChannelSet->firstChannel + |
| 3134 | ((pChannelSet->numChannels - 1) * 4)) <= |
Amar Singhal | 7a1726a | 2015-10-14 16:28:11 -0700 | [diff] [blame] | 3135 | CDS_MAX_5GHZ_CHANNEL_NUMBER)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3136 | pChannelSet->interChannelOffset = 4; |
| 3137 | f2GHzInfoFound = false; |
| 3138 | } else { |
| 3139 | sms_log(pMac, LOGW, |
| 3140 | FL("Invalid Channel %d Present in Country IE"), |
| 3141 | pChannelSet->firstChannel); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3142 | qdf_mem_free(pChannelSet); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 3143 | return QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3144 | } |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 3145 | pChannelSet->txPower = QDF_MIN(pChannelInfo->maxTxPower, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3146 | pMac->roam.configParam.nTxPowerCap); |
| 3147 | if (f2GHzInfoFound) { |
| 3148 | if (!f2GListPurged) { |
| 3149 | /* purge previous results if found new */ |
| 3150 | csr_purge_channel_power(pMac, |
| 3151 | &pMac->scan. |
| 3152 | channelPowerInfoList24); |
| 3153 | f2GListPurged = true; |
| 3154 | } |
| 3155 | if (CSR_IS_OPERATING_BG_BAND(pMac)) { |
| 3156 | /* add to the list of 2.4 GHz channel sets */ |
| 3157 | csr_ll_insert_tail(&pMac->scan. |
| 3158 | channelPowerInfoList24, |
| 3159 | &pChannelSet->link, |
| 3160 | LL_ACCESS_LOCK); |
| 3161 | } else { |
| 3162 | sms_log(pMac, LOGW, |
| 3163 | FL("Adding 11B/G ch in 11A. 1st ch %d"), |
| 3164 | pChannelSet->firstChannel); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3165 | qdf_mem_free(pChannelSet); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3166 | } |
| 3167 | } else { |
| 3168 | /* 5GHz info found */ |
| 3169 | if (!f5GListPurged) { |
| 3170 | /* purge previous results if found new */ |
| 3171 | csr_purge_channel_power(pMac, |
| 3172 | &pMac->scan. |
| 3173 | channelPowerInfoList5G); |
| 3174 | f5GListPurged = true; |
| 3175 | } |
| 3176 | if (CSR_IS_OPERATING_A_BAND(pMac)) { |
| 3177 | /* add to the list of 5GHz channel sets */ |
| 3178 | csr_ll_insert_tail(&pMac->scan. |
| 3179 | channelPowerInfoList5G, |
| 3180 | &pChannelSet->link, |
| 3181 | LL_ACCESS_LOCK); |
| 3182 | } else { |
| 3183 | sms_log(pMac, LOGW, |
| 3184 | FL("Adding 11A ch in B/G. 1st ch %d"), |
| 3185 | pChannelSet->firstChannel); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3186 | qdf_mem_free(pChannelSet); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3187 | } |
| 3188 | } |
| 3189 | pChannelInfo++; /* move to next entry */ |
| 3190 | } |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 3191 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3192 | } |
| 3193 | |
| 3194 | static void csr_clear_dfs_channel_list(tpAniSirGlobal pMac) |
| 3195 | { |
| 3196 | tSirMbMsg *pMsg; |
| 3197 | uint16_t msgLen; |
| 3198 | |
| 3199 | msgLen = (uint16_t) (sizeof(tSirMbMsg)); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3200 | pMsg = qdf_mem_malloc(msgLen); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3201 | if (NULL != pMsg) { |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3202 | qdf_mem_set((void *)pMsg, msgLen, 0); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3203 | pMsg->type = eWNI_SME_CLEAR_DFS_CHANNEL_LIST; |
| 3204 | pMsg->msgLen = msgLen; |
| 3205 | cds_send_mb_message_to_mac(pMsg); |
| 3206 | } |
| 3207 | } |
| 3208 | |
| 3209 | void csr_apply_power2_current(tpAniSirGlobal pMac) |
| 3210 | { |
| 3211 | sms_log(pMac, LOG3, FL(" Updating Cfg with power settings")); |
| 3212 | csr_save_tx_power_to_cfg(pMac, &pMac->scan.channelPowerInfoList24, |
| 3213 | WNI_CFG_MAX_TX_POWER_2_4); |
| 3214 | csr_save_tx_power_to_cfg(pMac, &pMac->scan.channelPowerInfoList5G, |
| 3215 | WNI_CFG_MAX_TX_POWER_5); |
| 3216 | } |
| 3217 | |
| 3218 | void csr_apply_channel_power_info_to_fw(tpAniSirGlobal mac_ctx, |
| 3219 | tCsrChannel *ch_lst, |
| 3220 | uint8_t *countryCode) |
| 3221 | { |
| 3222 | int i; |
| 3223 | uint8_t num_ch = 0; |
| 3224 | uint8_t tempNumChannels = 0; |
| 3225 | tCsrChannel tmp_ch_lst; |
| 3226 | |
| 3227 | if (ch_lst->numChannels) { |
| 3228 | tempNumChannels = CSR_MIN(ch_lst->numChannels, |
| 3229 | WNI_CFG_VALID_CHANNEL_LIST_LEN); |
| 3230 | for (i = 0; i < tempNumChannels; i++) { |
| 3231 | tmp_ch_lst.channelList[num_ch] = ch_lst->channelList[i]; |
| 3232 | num_ch++; |
| 3233 | } |
| 3234 | tmp_ch_lst.numChannels = num_ch; |
| 3235 | /* Store the channel+power info in the global place: Cfg */ |
| 3236 | csr_apply_power2_current(mac_ctx); |
| 3237 | csr_set_cfg_valid_channel_list(mac_ctx, tmp_ch_lst.channelList, |
| 3238 | tmp_ch_lst.numChannels); |
| 3239 | /* |
| 3240 | * extend scan capability, build a scan list based on the |
| 3241 | * channel list : channel# + active/passive scan |
| 3242 | */ |
| 3243 | csr_set_cfg_scan_control_list(mac_ctx, countryCode, |
| 3244 | &tmp_ch_lst); |
| 3245 | /* Send msg to Lim to clear DFS channel list */ |
| 3246 | csr_clear_dfs_channel_list(mac_ctx); |
| 3247 | } else { |
| 3248 | sms_log(mac_ctx, LOGE, FL("11D channel list is empty")); |
| 3249 | } |
| 3250 | csr_set_cfg_country_code(mac_ctx, countryCode); |
| 3251 | } |
| 3252 | |
| 3253 | #ifdef FEATURE_WLAN_DIAG_SUPPORT_CSR |
| 3254 | static void csr_diag_reset_country_information(tpAniSirGlobal pMac) |
| 3255 | { |
| 3256 | |
| 3257 | host_log_802_11d_pkt_type *p11dLog; |
| 3258 | int Index; |
| 3259 | WLAN_HOST_DIAG_LOG_ALLOC(p11dLog, host_log_802_11d_pkt_type, |
| 3260 | LOG_WLAN_80211D_C); |
| 3261 | if (!p11dLog) |
| 3262 | return; |
| 3263 | |
| 3264 | p11dLog->eventId = WLAN_80211D_EVENT_RESET; |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3265 | qdf_mem_copy(p11dLog->countryCode, pMac->scan.countryCodeCurrent, 3); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3266 | p11dLog->numChannel = pMac->scan.base_channels.numChannels; |
| 3267 | if (p11dLog->numChannel <= HOST_LOG_MAX_NUM_CHANNEL) { |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3268 | qdf_mem_copy(p11dLog->Channels, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3269 | pMac->scan.base_channels.channelList, |
| 3270 | p11dLog->numChannel); |
| 3271 | for (Index = 0; |
| 3272 | Index < pMac->scan.base_channels.numChannels; |
| 3273 | Index++) { |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 3274 | p11dLog->TxPwr[Index] = QDF_MIN( |
Amar Singhal | a297bfa | 2015-10-15 15:07:29 -0700 | [diff] [blame] | 3275 | pMac->scan.defaultPowerTable[Index].power, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3276 | pMac->roam.configParam.nTxPowerCap); |
| 3277 | } |
| 3278 | } |
| 3279 | if (!pMac->roam.configParam.Is11dSupportEnabled) |
| 3280 | p11dLog->supportMultipleDomain = WLAN_80211D_DISABLED; |
| 3281 | else |
| 3282 | p11dLog->supportMultipleDomain = |
| 3283 | WLAN_80211D_SUPPORT_MULTI_DOMAIN; |
| 3284 | WLAN_HOST_DIAG_LOG_REPORT(p11dLog); |
| 3285 | } |
| 3286 | #endif /* FEATURE_WLAN_DIAG_SUPPORT_CSR */ |
| 3287 | |
| 3288 | /** |
| 3289 | * csr_apply_channel_power_info_wrapper() - sends channel info to fw |
| 3290 | * @pMac: main MAC data structure |
| 3291 | * |
| 3292 | * This function sends the channel power info to firmware |
| 3293 | * |
| 3294 | * Return: none |
| 3295 | */ |
| 3296 | void csr_apply_channel_power_info_wrapper(tpAniSirGlobal pMac) |
| 3297 | { |
| 3298 | |
| 3299 | #ifdef FEATURE_WLAN_DIAG_SUPPORT_CSR |
| 3300 | csr_diag_reset_country_information(pMac); |
| 3301 | #endif /* FEATURE_WLAN_DIAG_SUPPORT_CSR */ |
| 3302 | csr_prune_channel_list_for_mode(pMac, &pMac->scan.base_channels); |
| 3303 | csr_save_channel_power_for_band(pMac, false); |
| 3304 | csr_save_channel_power_for_band(pMac, true); |
| 3305 | /* apply the channel list, power settings, and the country code. */ |
| 3306 | csr_apply_channel_power_info_to_fw(pMac, |
| 3307 | &pMac->scan.base_channels, pMac->scan.countryCodeCurrent); |
| 3308 | /* clear the 11d channel list */ |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3309 | qdf_mem_set(&pMac->scan.channels11d, sizeof(pMac->scan.channels11d), 0); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3310 | } |
| 3311 | |
| 3312 | void csr_clear_votes_for_country_info(tpAniSirGlobal pMac) |
| 3313 | { |
| 3314 | pMac->scan.countryCodeCount = 0; |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3315 | qdf_mem_set(pMac->scan.votes11d, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3316 | sizeof(tCsrVotes11d) * CSR_MAX_NUM_COUNTRY_CODE, 0); |
| 3317 | } |
| 3318 | |
| 3319 | void csr_add_vote_for_country_info(tpAniSirGlobal pMac, uint8_t *pCountryCode) |
| 3320 | { |
| 3321 | bool match = false; |
| 3322 | uint8_t i; |
| 3323 | |
| 3324 | /* convert to UPPER here so we are assured |
| 3325 | * the strings are always in upper case. |
| 3326 | */ |
| 3327 | for (i = 0; i < 3; i++) { |
| 3328 | pCountryCode[i] = (uint8_t) csr_to_upper(pCountryCode[i]); |
| 3329 | } |
| 3330 | |
| 3331 | /* Some of the 'old' Cisco 350 series AP's advertise NA as the |
| 3332 | * country code (for North America ??). NA is not a valid country code |
| 3333 | * or domain so let's allow this by changing it to the proper |
| 3334 | * country code (which is US). We've also seen some NETGEAR AP's |
| 3335 | * that have "XX " as the country code with valid 2.4 GHz US channel |
| 3336 | * information. If we cannot find the country code advertised in the |
| 3337 | * 11d information element, let's default to US. |
| 3338 | */ |
| 3339 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 3340 | if (!QDF_IS_STATUS_SUCCESS(csr_get_regulatory_domain_for_country(pMac, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3341 | pCountryCode, NULL, |
Amar Singhal | a297bfa | 2015-10-15 15:07:29 -0700 | [diff] [blame] | 3342 | SOURCE_QUERY))) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3343 | pCountryCode[0] = '0'; |
| 3344 | pCountryCode[1] = '0'; |
| 3345 | } |
| 3346 | |
| 3347 | /* We've seen some of the AP's improperly put a 0 for the |
| 3348 | * third character of the country code. spec says valid charcters are |
| 3349 | * 'O' (for outdoor), 'I' for Indoor, or ' ' (space; for either). |
| 3350 | * if we see a 0 in this third character, let's change it to a ' '. |
| 3351 | */ |
| 3352 | if (0 == pCountryCode[2]) { |
| 3353 | pCountryCode[2] = ' '; |
| 3354 | } |
| 3355 | |
| 3356 | for (i = 0; i < pMac->scan.countryCodeCount; i++) { |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3357 | match = (!qdf_mem_cmp(pMac->scan.votes11d[i].countryCode, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3358 | pCountryCode, 2)); |
| 3359 | if (match) { |
| 3360 | break; |
| 3361 | } |
| 3362 | } |
| 3363 | |
| 3364 | if (match) { |
| 3365 | pMac->scan.votes11d[i].votes++; |
| 3366 | } else { |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3367 | qdf_mem_copy(pMac->scan.votes11d[pMac->scan.countryCodeCount]. |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3368 | countryCode, pCountryCode, 3); |
| 3369 | pMac->scan.votes11d[pMac->scan.countryCodeCount].votes = 1; |
| 3370 | pMac->scan.countryCodeCount++; |
| 3371 | } |
| 3372 | |
| 3373 | return; |
| 3374 | } |
| 3375 | |
| 3376 | bool csr_elected_country_info(tpAniSirGlobal pMac) |
| 3377 | { |
| 3378 | bool fRet = false; |
| 3379 | uint8_t maxVotes = 0; |
| 3380 | uint8_t i, j = 0; |
| 3381 | |
| 3382 | if (!pMac->scan.countryCodeCount) { |
Agrawal Ashish | fb87b16 | 2016-05-05 16:31:20 +0530 | [diff] [blame] | 3383 | QDF_TRACE(QDF_MODULE_ID_SME, QDF_TRACE_LEVEL_WARN, |
| 3384 | "No AP with 11d Country code is present in scan list"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3385 | return fRet; |
| 3386 | } |
| 3387 | maxVotes = pMac->scan.votes11d[0].votes; |
| 3388 | fRet = true; |
| 3389 | |
| 3390 | for (i = 1; i < pMac->scan.countryCodeCount; i++) { |
| 3391 | /* If we have a tie for max votes for 2 different country codes, |
| 3392 | * pick random.we can put some more intelligence - TBD |
| 3393 | */ |
| 3394 | if (maxVotes < pMac->scan.votes11d[i].votes) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 3395 | QDF_TRACE(QDF_MODULE_ID_SME, QDF_TRACE_LEVEL_INFO, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3396 | " Votes for Country %c%c : %d\n", |
| 3397 | pMac->scan.votes11d[i].countryCode[0], |
| 3398 | pMac->scan.votes11d[i].countryCode[1], |
| 3399 | pMac->scan.votes11d[i].votes); |
| 3400 | |
| 3401 | maxVotes = pMac->scan.votes11d[i].votes; |
| 3402 | j = i; |
| 3403 | fRet = true; |
| 3404 | } |
| 3405 | |
| 3406 | } |
| 3407 | if (fRet) { |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3408 | qdf_mem_copy(pMac->scan.countryCodeElected, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3409 | pMac->scan.votes11d[j].countryCode, |
| 3410 | WNI_CFG_COUNTRY_CODE_LEN); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3411 | qdf_mem_copy(pMac->scan.countryCode11d, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3412 | pMac->scan.votes11d[j].countryCode, |
| 3413 | WNI_CFG_COUNTRY_CODE_LEN); |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 3414 | QDF_TRACE(QDF_MODULE_ID_SME, QDF_TRACE_LEVEL_INFO, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3415 | "Selected Country is %c%c With count %d\n", |
| 3416 | pMac->scan.votes11d[j].countryCode[0], |
| 3417 | pMac->scan.votes11d[j].countryCode[1], |
| 3418 | pMac->scan.votes11d[j].votes); |
| 3419 | } |
| 3420 | return fRet; |
| 3421 | } |
| 3422 | |
| 3423 | /** |
| 3424 | * csr_set_country_code() - Set country code |
| 3425 | * @pMac: main MAC data structure |
| 3426 | * @pCountry: ptr to Country Code |
| 3427 | * |
| 3428 | * This function sends the channel power info to firmware |
| 3429 | * |
| 3430 | * Return: none |
| 3431 | */ |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 3432 | QDF_STATUS csr_set_country_code(tpAniSirGlobal pMac, uint8_t *pCountry) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3433 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 3434 | QDF_STATUS status = QDF_STATUS_E_INVAL; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3435 | v_REGDOMAIN_t domainId; |
| 3436 | |
| 3437 | if (pCountry) { |
| 3438 | |
| 3439 | status = csr_get_regulatory_domain_for_country(pMac, pCountry, |
Amar Singhal | a297bfa | 2015-10-15 15:07:29 -0700 | [diff] [blame] | 3440 | &domainId, |
| 3441 | SOURCE_USERSPACE); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 3442 | if (QDF_IS_STATUS_SUCCESS(status)) { |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3443 | qdf_mem_copy(pMac->scan.countryCodeCurrent, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3444 | pCountry, |
| 3445 | WNI_CFG_COUNTRY_CODE_LEN); |
| 3446 | csr_set_cfg_country_code(pMac, pCountry); |
| 3447 | } |
| 3448 | } |
| 3449 | return status; |
| 3450 | } |
| 3451 | |
| 3452 | /* caller allocated memory for pNumChn and pChnPowerInfo */ |
| 3453 | /* As input, *pNumChn has the size of the array of pChnPowerInfo */ |
| 3454 | /* Upon return, *pNumChn has the number of channels assigned. */ |
| 3455 | void csr_get_channel_power_info(tpAniSirGlobal pMac, tDblLinkList *list, |
| 3456 | uint32_t *num_ch, |
Amar Singhal | a297bfa | 2015-10-15 15:07:29 -0700 | [diff] [blame] | 3457 | struct channel_power *chn_pwr_info) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3458 | { |
| 3459 | tListElem *entry; |
| 3460 | uint32_t chn_idx = 0, idx; |
| 3461 | tCsrChannelPowerInfo *ch_set; |
| 3462 | |
| 3463 | /* Get 2.4Ghz first */ |
| 3464 | entry = csr_ll_peek_head(list, LL_ACCESS_LOCK); |
| 3465 | while (entry && (chn_idx < *num_ch)) { |
| 3466 | ch_set = GET_BASE_ADDR(entry, tCsrChannelPowerInfo, link); |
| 3467 | for (idx = 0; (idx < ch_set->numChannels) |
| 3468 | && (chn_idx < *num_ch); idx++) { |
Amar Singhal | a297bfa | 2015-10-15 15:07:29 -0700 | [diff] [blame] | 3469 | chn_pwr_info[chn_idx].chan_num = |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3470 | (uint8_t) (ch_set->firstChannel |
| 3471 | + (idx * ch_set->interChannelOffset)); |
Amar Singhal | a297bfa | 2015-10-15 15:07:29 -0700 | [diff] [blame] | 3472 | chn_pwr_info[chn_idx++].power = ch_set->txPower; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3473 | } |
| 3474 | entry = csr_ll_next(list, entry, LL_ACCESS_LOCK); |
| 3475 | } |
| 3476 | *num_ch = chn_idx; |
| 3477 | |
| 3478 | return; |
| 3479 | } |
| 3480 | |
| 3481 | #ifdef FEATURE_WLAN_DIAG_SUPPORT_CSR |
| 3482 | void csr_diag_apply_country_info(tpAniSirGlobal mac_ctx) |
| 3483 | { |
| 3484 | host_log_802_11d_pkt_type *p11dLog; |
Amar Singhal | a297bfa | 2015-10-15 15:07:29 -0700 | [diff] [blame] | 3485 | struct channel_power chnPwrInfo[WNI_CFG_VALID_CHANNEL_LIST_LEN]; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3486 | uint32_t nChnInfo = WNI_CFG_VALID_CHANNEL_LIST_LEN, nTmp; |
| 3487 | |
| 3488 | WLAN_HOST_DIAG_LOG_ALLOC(p11dLog, host_log_802_11d_pkt_type, |
| 3489 | LOG_WLAN_80211D_C); |
| 3490 | if (!p11dLog) |
| 3491 | return; |
| 3492 | |
| 3493 | p11dLog->eventId = WLAN_80211D_EVENT_COUNTRY_SET; |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3494 | qdf_mem_copy(p11dLog->countryCode, mac_ctx->scan.countryCode11d, 3); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3495 | p11dLog->numChannel = mac_ctx->scan.channels11d.numChannels; |
| 3496 | if (p11dLog->numChannel > HOST_LOG_MAX_NUM_CHANNEL) |
| 3497 | goto diag_end; |
| 3498 | |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3499 | qdf_mem_copy(p11dLog->Channels, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3500 | mac_ctx->scan.channels11d.channelList, |
| 3501 | p11dLog->numChannel); |
| 3502 | csr_get_channel_power_info(mac_ctx, |
| 3503 | &mac_ctx->scan.channelPowerInfoList24, |
| 3504 | &nChnInfo, chnPwrInfo); |
| 3505 | nTmp = nChnInfo; |
| 3506 | nChnInfo = WNI_CFG_VALID_CHANNEL_LIST_LEN - nTmp; |
| 3507 | csr_get_channel_power_info(mac_ctx, |
| 3508 | &mac_ctx->scan.channelPowerInfoList5G, |
| 3509 | &nChnInfo, &chnPwrInfo[nTmp]); |
| 3510 | for (nTmp = 0; nTmp < p11dLog->numChannel; nTmp++) { |
| 3511 | for (nChnInfo = 0; |
| 3512 | nChnInfo < WNI_CFG_VALID_CHANNEL_LIST_LEN; |
| 3513 | nChnInfo++) { |
| 3514 | if (p11dLog->Channels[nTmp] == |
Amar Singhal | a297bfa | 2015-10-15 15:07:29 -0700 | [diff] [blame] | 3515 | chnPwrInfo[nChnInfo].chan_num) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3516 | p11dLog->TxPwr[nTmp] = |
Amar Singhal | a297bfa | 2015-10-15 15:07:29 -0700 | [diff] [blame] | 3517 | chnPwrInfo[nChnInfo].power; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3518 | break; |
| 3519 | } |
| 3520 | } |
| 3521 | } |
| 3522 | diag_end: |
| 3523 | if (!mac_ctx->roam.configParam.Is11dSupportEnabled) |
| 3524 | p11dLog->supportMultipleDomain = WLAN_80211D_DISABLED; |
| 3525 | else |
| 3526 | p11dLog->supportMultipleDomain = |
| 3527 | WLAN_80211D_SUPPORT_MULTI_DOMAIN; |
| 3528 | WLAN_HOST_DIAG_LOG_REPORT(p11dLog); |
| 3529 | } |
| 3530 | #endif /* #ifdef FEATURE_WLAN_DIAG_SUPPORT_CSR */ |
| 3531 | |
| 3532 | /** |
| 3533 | * csr_apply_country_information() - apply country code information |
| 3534 | * @pMac: core MAC data structure |
| 3535 | * |
| 3536 | * This function programs the new country code |
| 3537 | * |
| 3538 | * Return: none |
| 3539 | */ |
| 3540 | void csr_apply_country_information(tpAniSirGlobal pMac) |
| 3541 | { |
| 3542 | v_REGDOMAIN_t domainId; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 3543 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3544 | |
| 3545 | if (!csr_is11d_supported(pMac) |
| 3546 | || 0 == pMac->scan.channelOf11dInfo) |
| 3547 | return; |
| 3548 | status = csr_get_regulatory_domain_for_country(pMac, |
Amar Singhal | a297bfa | 2015-10-15 15:07:29 -0700 | [diff] [blame] | 3549 | pMac->scan.countryCode11d, &domainId, SOURCE_QUERY); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 3550 | if (!QDF_IS_STATUS_SUCCESS(status)) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3551 | return; |
| 3552 | /* Check whether we need to enforce default domain */ |
| 3553 | #ifdef FEATURE_WLAN_DIAG_SUPPORT_CSR |
| 3554 | csr_diag_apply_country_info(pMac); |
| 3555 | #endif /* #ifdef FEATURE_WLAN_DIAG_SUPPORT_CSR */ |
| 3556 | |
| 3557 | if (pMac->scan.domainIdCurrent != domainId) |
| 3558 | return; |
| 3559 | if (pMac->scan.domainIdCurrent != domainId) { |
| 3560 | sms_log(pMac, LOGW, FL("Domain Changed Old %d, new %d"), |
| 3561 | pMac->scan.domainIdCurrent, domainId); |
| 3562 | status = wma_set_reg_domain(pMac, domainId); |
| 3563 | } |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 3564 | if (status != QDF_STATUS_SUCCESS) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3565 | sms_log(pMac, LOGE, FL("fail to set regId %d"), domainId); |
| 3566 | pMac->scan.domainIdCurrent = domainId; |
| 3567 | /* switch to active scans using this new channel list */ |
| 3568 | pMac->scan.curScanType = eSIR_ACTIVE_SCAN; |
| 3569 | } |
| 3570 | |
| 3571 | void csr_save_channel_power_for_band(tpAniSirGlobal pMac, bool fill_5f) |
| 3572 | { |
| 3573 | uint32_t idx, count = 0; |
| 3574 | tSirMacChanInfo *chan_info; |
| 3575 | tSirMacChanInfo *ch_info_start; |
| 3576 | int32_t max_ch_idx; |
| 3577 | bool tmp_bool; |
| 3578 | uint8_t ch = 0; |
| 3579 | |
| 3580 | max_ch_idx = |
| 3581 | (pMac->scan.base_channels.numChannels < |
| 3582 | WNI_CFG_VALID_CHANNEL_LIST_LEN) ? |
| 3583 | pMac->scan.base_channels.numChannels : |
| 3584 | WNI_CFG_VALID_CHANNEL_LIST_LEN; |
| 3585 | |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3586 | chan_info = qdf_mem_malloc(sizeof(tSirMacChanInfo) * |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3587 | WNI_CFG_VALID_CHANNEL_LIST_LEN); |
| 3588 | if (NULL == chan_info) |
| 3589 | return; |
| 3590 | |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3591 | qdf_mem_set(chan_info, sizeof(tSirMacChanInfo) * |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3592 | WNI_CFG_VALID_CHANNEL_LIST_LEN, 0); |
| 3593 | ch_info_start = chan_info; |
| 3594 | for (idx = 0; idx < max_ch_idx; idx++) { |
Amar Singhal | a297bfa | 2015-10-15 15:07:29 -0700 | [diff] [blame] | 3595 | ch = pMac->scan.defaultPowerTable[idx].chan_num; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3596 | tmp_bool = (fill_5f && CDS_IS_CHANNEL_5GHZ(ch)) |
| 3597 | || (!fill_5f && CDS_IS_CHANNEL_24GHZ(ch)); |
| 3598 | if (!tmp_bool) |
| 3599 | continue; |
| 3600 | |
| 3601 | if (count >= WNI_CFG_VALID_CHANNEL_LIST_LEN) { |
| 3602 | sms_log(pMac, LOGW, FL("count(%d) exceeded"), count); |
| 3603 | break; |
| 3604 | } |
| 3605 | |
| 3606 | chan_info->firstChanNum = |
Amar Singhal | a297bfa | 2015-10-15 15:07:29 -0700 | [diff] [blame] | 3607 | pMac->scan.defaultPowerTable[idx].chan_num; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3608 | chan_info->numChannels = 1; |
| 3609 | chan_info->maxTxPower = |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 3610 | QDF_MIN(pMac->scan.defaultPowerTable[idx].power, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3611 | pMac->roam.configParam.nTxPowerCap); |
| 3612 | chan_info++; |
| 3613 | count++; |
| 3614 | } |
| 3615 | if (count) { |
| 3616 | csr_save_to_channel_power2_g_5_g(pMac, |
| 3617 | count * sizeof(tSirMacChanInfo), ch_info_start); |
| 3618 | } |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3619 | qdf_mem_free(ch_info_start); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3620 | } |
| 3621 | |
| 3622 | bool csr_is_supported_channel(tpAniSirGlobal pMac, uint8_t channelId) |
| 3623 | { |
| 3624 | bool fRet = false; |
| 3625 | uint32_t i; |
| 3626 | |
| 3627 | for (i = 0; i < pMac->scan.base_channels.numChannels; i++) { |
| 3628 | if (channelId == |
| 3629 | pMac->scan.base_channels.channelList[i]) { |
| 3630 | fRet = true; |
| 3631 | break; |
| 3632 | } |
| 3633 | } |
| 3634 | |
| 3635 | return fRet; |
| 3636 | } |
| 3637 | |
| 3638 | /* |
| 3639 | * 802.11D only: Gather 11d IE via beacon or Probe response and store them in pAdapter->channels11d |
| 3640 | */ |
| 3641 | bool csr_learn_11dcountry_information(tpAniSirGlobal pMac, |
| 3642 | tSirBssDescription *pSirBssDesc, |
| 3643 | tDot11fBeaconIEs *pIes, bool fForce) |
| 3644 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 3645 | QDF_STATUS status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3646 | uint8_t *pCountryCodeSelected; |
| 3647 | bool fRet = false; |
| 3648 | v_REGDOMAIN_t domainId; |
| 3649 | tDot11fBeaconIEs *pIesLocal = pIes; |
| 3650 | bool useVoting = false; |
| 3651 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3652 | if ((NULL == pSirBssDesc) && (NULL == pIes)) |
| 3653 | useVoting = true; |
| 3654 | |
| 3655 | /* check if .11d support is enabled */ |
| 3656 | if (!csr_is11d_supported(pMac)) |
| 3657 | goto free_ie; |
| 3658 | |
| 3659 | if (false == useVoting) { |
| 3660 | if (!pIesLocal && |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 3661 | (!QDF_IS_STATUS_SUCCESS( |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3662 | csr_get_parsed_bss_description_ies( |
| 3663 | pMac, pSirBssDesc, &pIesLocal)))) |
| 3664 | goto free_ie; |
| 3665 | /* check if country information element is present */ |
| 3666 | if (!pIesLocal->Country.present) |
| 3667 | /* No country info */ |
| 3668 | goto free_ie; |
| 3669 | status = csr_get_regulatory_domain_for_country(pMac, |
| 3670 | pIesLocal->Country.country, &domainId, |
Amar Singhal | a297bfa | 2015-10-15 15:07:29 -0700 | [diff] [blame] | 3671 | SOURCE_QUERY); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 3672 | if (QDF_IS_STATUS_SUCCESS(status) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3673 | && (domainId == REGDOMAIN_WORLD)) |
| 3674 | goto free_ie; |
| 3675 | } /* useVoting == false */ |
| 3676 | |
| 3677 | if (false == useVoting) |
| 3678 | pCountryCodeSelected = pIesLocal->Country.country; |
| 3679 | else |
| 3680 | pCountryCodeSelected = pMac->scan.countryCodeElected; |
| 3681 | |
| 3682 | status = csr_get_regulatory_domain_for_country(pMac, |
Amar Singhal | a297bfa | 2015-10-15 15:07:29 -0700 | [diff] [blame] | 3683 | pCountryCodeSelected, &domainId, SOURCE_11D); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 3684 | if (status != QDF_STATUS_SUCCESS) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3685 | sms_log(pMac, LOGE, FL("fail to get regId %d"), domainId); |
| 3686 | fRet = false; |
| 3687 | goto free_ie; |
| 3688 | } |
| 3689 | |
| 3690 | /* updating 11d Country Code with Country code selected. */ |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3691 | qdf_mem_copy(pMac->scan.countryCode11d, pCountryCodeSelected, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3692 | WNI_CFG_COUNTRY_CODE_LEN); |
| 3693 | fRet = true; |
| 3694 | free_ie: |
| 3695 | if (!pIes && pIesLocal) { |
| 3696 | /* locally allocated */ |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3697 | qdf_mem_free(pIesLocal); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3698 | } |
| 3699 | return fRet; |
| 3700 | } |
| 3701 | |
| 3702 | void csr_save_scan_results(tpAniSirGlobal pMac, uint8_t reason, |
| 3703 | uint8_t sessionId) |
| 3704 | { |
| 3705 | sms_log(pMac, LOG4, "%s: Saving scan results", __func__); |
| 3706 | |
| 3707 | /* initialize this to false. profMoveInterimScanResultsToMainList() routine */ |
| 3708 | /* will set this to the channel where an .11d beacon is seen */ |
| 3709 | pMac->scan.channelOf11dInfo = 0; |
| 3710 | /* move the scan results from interim list to the main scan list */ |
| 3711 | csr_move_temp_scan_results_to_main_list(pMac, reason, sessionId); |
| 3712 | |
| 3713 | /* Now check if we gathered any domain/country specific information */ |
| 3714 | /* If so, we should update channel list and apply Tx power settings */ |
| 3715 | if (csr_is11d_supported(pMac)) { |
| 3716 | csr_apply_country_information(pMac); |
| 3717 | } |
| 3718 | } |
| 3719 | |
| 3720 | void csr_reinit_scan_cmd(tpAniSirGlobal pMac, tSmeCmd *pCommand) |
| 3721 | { |
| 3722 | switch (pCommand->u.scanCmd.reason) { |
| 3723 | case eCsrScanAbortNormalScan: |
| 3724 | default: |
| 3725 | csr_scan_free_request(pMac, &pCommand->u.scanCmd.u.scanRequest); |
| 3726 | break; |
| 3727 | } |
| 3728 | if (pCommand->u.scanCmd.pToRoamProfile) { |
| 3729 | csr_release_profile(pMac, pCommand->u.scanCmd.pToRoamProfile); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3730 | qdf_mem_free(pCommand->u.scanCmd.pToRoamProfile); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3731 | } |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3732 | qdf_mem_set(&pCommand->u.scanCmd, sizeof(tScanCmd), 0); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3733 | } |
| 3734 | |
| 3735 | eCsrScanCompleteNextCommand csr_scan_get_next_command_state(tpAniSirGlobal pMac, |
| 3736 | tSmeCmd *pCommand, |
Chandrasekaran, Manishekar | ef70c0d | 2015-10-20 19:54:55 +0530 | [diff] [blame] | 3737 | bool fSuccess, |
| 3738 | uint8_t *chan) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3739 | { |
| 3740 | eCsrScanCompleteNextCommand NextCommand = eCsrNextScanNothing; |
Chandrasekaran, Manishekar | ef70c0d | 2015-10-20 19:54:55 +0530 | [diff] [blame] | 3741 | int8_t channel; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3742 | |
| 3743 | switch (pCommand->u.scanCmd.reason) { |
| 3744 | case eCsrScan11d1: |
| 3745 | NextCommand = |
| 3746 | (fSuccess) ? eCsrNext11dScan1Success : |
| 3747 | eCsrNext11dScan1Failure; |
| 3748 | break; |
| 3749 | case eCsrScan11d2: |
| 3750 | NextCommand = |
| 3751 | (fSuccess) ? eCsrNext11dScan2Success : |
| 3752 | eCsrNext11dScan2Failure; |
| 3753 | break; |
| 3754 | case eCsrScan11dDone: |
| 3755 | NextCommand = eCsrNext11dScanComplete; |
| 3756 | break; |
| 3757 | case eCsrScanLostLink1: |
| 3758 | NextCommand = |
| 3759 | (fSuccess) ? eCsrNextLostLinkScan1Success : |
| 3760 | eCsrNextLostLinkScan1Failed; |
| 3761 | break; |
| 3762 | case eCsrScanLostLink2: |
| 3763 | NextCommand = |
| 3764 | (fSuccess) ? eCsrNextLostLinkScan2Success : |
| 3765 | eCsrNextLostLinkScan2Failed; |
| 3766 | break; |
| 3767 | case eCsrScanLostLink3: |
| 3768 | NextCommand = |
| 3769 | (fSuccess) ? eCsrNextLostLinkScan3Success : |
| 3770 | eCsrNextLostLinkScan3Failed; |
| 3771 | break; |
| 3772 | case eCsrScanForSsid: |
Krunal Soni | 3091bcc | 2016-06-23 12:28:21 -0700 | [diff] [blame] | 3773 | /* success: |
Chandrasekaran, Manishekar | ef70c0d | 2015-10-20 19:54:55 +0530 | [diff] [blame] | 3774 | * set hw_mode success -> csr_scan_handle_search_for_ssid |
| 3775 | * set hw_mode fail -> csr_scan_handle_search_for_ssid_failure |
| 3776 | * failure: csr_scan_handle_search_for_ssid_failure |
| 3777 | */ |
Krunal Soni | 3091bcc | 2016-06-23 12:28:21 -0700 | [diff] [blame] | 3778 | sms_log(pMac, LOG1, FL("Resp for eCsrScanForSsid")); |
| 3779 | channel = cds_search_and_check_for_session_conc( |
| 3780 | pCommand->sessionId, |
| 3781 | pCommand->u.scanCmd.pToRoamProfile); |
| 3782 | if ((!channel) || !fSuccess) { |
| 3783 | NextCommand = eCsrNexteScanForSsidFailure; |
| 3784 | sms_log(pMac, LOG1, |
| 3785 | FL("next ScanForSsidFailure %d %d"), |
| 3786 | channel, fSuccess); |
| 3787 | } else { |
| 3788 | NextCommand = eCsrNextCheckAllowConc; |
| 3789 | *chan = channel; |
| 3790 | sms_log(pMac, LOG1, FL("next CheckAllowConc")); |
Chandrasekaran, Manishekar | ef70c0d | 2015-10-20 19:54:55 +0530 | [diff] [blame] | 3791 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3792 | break; |
| 3793 | default: |
| 3794 | NextCommand = eCsrNextScanNothing; |
| 3795 | break; |
| 3796 | } |
| 3797 | return NextCommand; |
| 3798 | } |
| 3799 | |
| 3800 | /* Return whether the pCommand is finished. */ |
| 3801 | bool csr_handle_scan11d1_failure(tpAniSirGlobal pMac, tSmeCmd *pCommand) |
| 3802 | { |
| 3803 | bool fRet = true; |
| 3804 | |
| 3805 | /* Apply back the default setting and passively scan one more time. */ |
| 3806 | csr_apply_channel_power_info_wrapper(pMac); |
| 3807 | pCommand->u.scanCmd.reason = eCsrScan11d2; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 3808 | if (QDF_IS_STATUS_SUCCESS(csr_scan_channels(pMac, pCommand))) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3809 | fRet = false; |
| 3810 | } |
| 3811 | |
| 3812 | return fRet; |
| 3813 | } |
| 3814 | |
| 3815 | #ifdef FEATURE_WLAN_DIAG_SUPPORT_CSR |
| 3816 | static void |
| 3817 | csr_diag_scan_complete(tpAniSirGlobal pMac, |
| 3818 | tSmeCmd *pCommand, |
| 3819 | tSirSmeScanRsp *pScanRsp) |
| 3820 | { |
| 3821 | host_log_scan_pkt_type *pScanLog = NULL; |
| 3822 | tScanResultHandle hScanResult; |
| 3823 | tCsrScanResultInfo *pScanResult; |
| 3824 | tDot11fBeaconIEs *pIes; |
| 3825 | int n = 0, c = 0; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 3826 | QDF_STATUS status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3827 | |
| 3828 | WLAN_HOST_DIAG_LOG_ALLOC(pScanLog, |
| 3829 | host_log_scan_pkt_type, |
| 3830 | LOG_WLAN_SCAN_C); |
| 3831 | if (!pScanLog) |
| 3832 | return; |
| 3833 | |
| 3834 | if (eCsrScanProbeBss == pCommand->u.scanCmd.reason) { |
| 3835 | pScanLog->eventId = WLAN_SCAN_EVENT_HO_SCAN_RSP; |
| 3836 | } else { |
| 3837 | if (eSIR_PASSIVE_SCAN != pMac->scan.curScanType) |
| 3838 | pScanLog->eventId = WLAN_SCAN_EVENT_ACTIVE_SCAN_RSP; |
| 3839 | else |
| 3840 | pScanLog->eventId = WLAN_SCAN_EVENT_PASSIVE_SCAN_RSP; |
| 3841 | } |
| 3842 | if (eSIR_SME_SUCCESS != pScanRsp->statusCode) { |
| 3843 | pScanLog->status = WLAN_SCAN_STATUS_FAILURE; |
| 3844 | WLAN_HOST_DIAG_LOG_REPORT(pScanLog); |
| 3845 | return; |
| 3846 | } |
| 3847 | |
| 3848 | status = csr_scan_get_result(pMac, NULL, &hScanResult); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 3849 | if (!QDF_IS_STATUS_SUCCESS(status)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3850 | WLAN_HOST_DIAG_LOG_REPORT(pScanLog); |
| 3851 | return; |
| 3852 | } |
| 3853 | |
| 3854 | pScanResult = csr_scan_result_get_next(pMac, hScanResult); |
| 3855 | while (pScanResult != NULL) { |
| 3856 | if (n < HOST_LOG_MAX_NUM_BSSID) { |
| 3857 | status = csr_get_parsed_bss_description_ies(pMac, |
| 3858 | &pScanResult->BssDescriptor, &pIes); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 3859 | if (!QDF_IS_STATUS_SUCCESS(status)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3860 | sms_log(pMac, LOGE, FL("fail to parse IEs")); |
| 3861 | break; |
| 3862 | } |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3863 | qdf_mem_copy(pScanLog->bssid[n], |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3864 | pScanResult->BssDescriptor.bssId, 6); |
| 3865 | if (pIes && pIes->SSID.present && |
| 3866 | HOST_LOG_MAX_SSID_SIZE >= pIes->SSID.num_ssid) { |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3867 | qdf_mem_copy(pScanLog->ssid[n], |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3868 | pIes->SSID.ssid, |
| 3869 | pIes->SSID.num_ssid); |
| 3870 | } |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3871 | qdf_mem_free(pIes); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3872 | n++; |
| 3873 | } |
| 3874 | c++; |
| 3875 | pScanResult = csr_scan_result_get_next(pMac, hScanResult); |
| 3876 | } |
| 3877 | pScanLog->numSsid = (uint8_t) n; |
| 3878 | pScanLog->totalSsid = (uint8_t) c; |
| 3879 | csr_scan_result_purge(pMac, hScanResult); |
| 3880 | WLAN_HOST_DIAG_LOG_REPORT(pScanLog); |
| 3881 | |
| 3882 | csr_diag_event_report(pMac, eCSR_EVENT_SCAN_COMPLETE, eSIR_SUCCESS, |
| 3883 | eSIR_SUCCESS); |
| 3884 | if (c > 0) |
| 3885 | csr_diag_event_report(pMac, eCSR_EVENT_SCAN_RES_FOUND, |
| 3886 | eSIR_SUCCESS, eSIR_SUCCESS); |
| 3887 | } |
| 3888 | #endif /* #ifdef FEATURE_WLAN_DIAG_SUPPORT_CSR */ |
| 3889 | |
Chandrasekaran, Manishekar | ef70c0d | 2015-10-20 19:54:55 +0530 | [diff] [blame] | 3890 | /** |
| 3891 | * csr_save_profile() - Save the profile info from sme command |
| 3892 | * @mac_ctx: Global MAC context |
| 3893 | * @save_cmd: Pointer where the command will be saved |
| 3894 | * @command: Command from which the profile will be saved |
| 3895 | * |
| 3896 | * Saves the profile information from the SME's scan command |
| 3897 | * |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 3898 | * Return: QDF_STATUS |
Chandrasekaran, Manishekar | ef70c0d | 2015-10-20 19:54:55 +0530 | [diff] [blame] | 3899 | */ |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 3900 | QDF_STATUS csr_save_profile(tpAniSirGlobal mac_ctx, |
Chandrasekaran, Manishekar | ef70c0d | 2015-10-20 19:54:55 +0530 | [diff] [blame] | 3901 | tSmeCmd *save_cmd, tSmeCmd *command) |
| 3902 | { |
| 3903 | tCsrScanResult *scan_result; |
| 3904 | tCsrScanResult *temp; |
| 3905 | uint32_t bss_len; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 3906 | QDF_STATUS status; |
Chandrasekaran, Manishekar | ef70c0d | 2015-10-20 19:54:55 +0530 | [diff] [blame] | 3907 | |
| 3908 | save_cmd->u.scanCmd.pToRoamProfile = |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3909 | qdf_mem_malloc(sizeof(tCsrRoamProfile)); |
Chandrasekaran, Manishekar | ef70c0d | 2015-10-20 19:54:55 +0530 | [diff] [blame] | 3910 | if (!save_cmd->u.scanCmd.pToRoamProfile) { |
| 3911 | sms_log(mac_ctx, LOGE, FL("pToRoamProfile mem fail")); |
| 3912 | goto error; |
| 3913 | } |
| 3914 | |
| 3915 | status = csr_roam_copy_profile(mac_ctx, |
| 3916 | save_cmd->u.scanCmd.pToRoamProfile, |
| 3917 | command->u.scanCmd.pToRoamProfile); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 3918 | if (!QDF_IS_STATUS_SUCCESS(status)) { |
Chandrasekaran, Manishekar | ef70c0d | 2015-10-20 19:54:55 +0530 | [diff] [blame] | 3919 | sms_log(mac_ctx, LOGE, FL("csr_roam_copy_profile fail")); |
| 3920 | goto error; |
| 3921 | } |
| 3922 | |
| 3923 | save_cmd->sessionId = command->sessionId; |
| 3924 | save_cmd->u.scanCmd.roamId = command->u.scanCmd.roamId; |
| 3925 | save_cmd->u.scanCmd.u.scanRequest.SSIDs.numOfSSIDs = |
| 3926 | command->u.scanCmd.u.scanRequest.SSIDs.numOfSSIDs; |
| 3927 | save_cmd->u.scanCmd.u.scanRequest.SSIDs.SSIDList = |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3928 | qdf_mem_malloc( |
Chandrasekaran, Manishekar | ef70c0d | 2015-10-20 19:54:55 +0530 | [diff] [blame] | 3929 | save_cmd->u.scanCmd.u.scanRequest.SSIDs.numOfSSIDs * |
| 3930 | sizeof(tCsrSSIDInfo)); |
| 3931 | if (!save_cmd->u.scanCmd.u.scanRequest.SSIDs.SSIDList) { |
| 3932 | sms_log(mac_ctx, LOGE, FL("SSIDList mem fail")); |
| 3933 | goto error; |
| 3934 | } |
| 3935 | |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3936 | qdf_mem_copy(save_cmd->u.scanCmd.u.scanRequest.SSIDs.SSIDList, |
Chandrasekaran, Manishekar | ef70c0d | 2015-10-20 19:54:55 +0530 | [diff] [blame] | 3937 | command->u.scanCmd.u.scanRequest.SSIDs.SSIDList, |
| 3938 | save_cmd->u.scanCmd.u.scanRequest.SSIDs.numOfSSIDs * |
| 3939 | sizeof(tCsrSSIDInfo)); |
| 3940 | |
| 3941 | if (!command->u.roamCmd.pRoamBssEntry) |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 3942 | return QDF_STATUS_SUCCESS; |
Chandrasekaran, Manishekar | ef70c0d | 2015-10-20 19:54:55 +0530 | [diff] [blame] | 3943 | |
| 3944 | scan_result = GET_BASE_ADDR(command->u.roamCmd.pRoamBssEntry, |
| 3945 | tCsrScanResult, Link); |
| 3946 | |
| 3947 | bss_len = scan_result->Result.BssDescriptor.length + |
| 3948 | sizeof(scan_result->Result.BssDescriptor.length); |
| 3949 | |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3950 | temp = qdf_mem_malloc(sizeof(tCsrScanResult) + bss_len); |
Chandrasekaran, Manishekar | ef70c0d | 2015-10-20 19:54:55 +0530 | [diff] [blame] | 3951 | if (!temp) { |
| 3952 | sms_log(mac_ctx, LOGE, FL("bss mem fail")); |
| 3953 | goto error; |
| 3954 | } |
| 3955 | |
| 3956 | temp->AgingCount = scan_result->AgingCount; |
| 3957 | temp->preferValue = scan_result->preferValue; |
| 3958 | temp->capValue = scan_result->capValue; |
| 3959 | temp->ucEncryptionType = scan_result->ucEncryptionType; |
| 3960 | temp->mcEncryptionType = scan_result->mcEncryptionType; |
| 3961 | temp->authType = scan_result->authType; |
| 3962 | /* pvIes is unsued in success/failure */ |
| 3963 | temp->Result.pvIes = NULL; |
| 3964 | |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3965 | qdf_mem_copy(temp->Result.pvIes, |
Chandrasekaran, Manishekar | ef70c0d | 2015-10-20 19:54:55 +0530 | [diff] [blame] | 3966 | scan_result->Result.pvIes, |
| 3967 | sizeof(*scan_result->Result.pvIes)); |
| 3968 | temp->Result.ssId.length = scan_result->Result.ssId.length; |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3969 | qdf_mem_copy(temp->Result.ssId.ssId, |
Chandrasekaran, Manishekar | ef70c0d | 2015-10-20 19:54:55 +0530 | [diff] [blame] | 3970 | scan_result->Result.ssId.ssId, |
| 3971 | sizeof(scan_result->Result.ssId.ssId)); |
| 3972 | temp->Result.timer = scan_result->Result.timer; |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3973 | qdf_mem_copy(&temp->Result.BssDescriptor, |
Chandrasekaran, Manishekar | ef70c0d | 2015-10-20 19:54:55 +0530 | [diff] [blame] | 3974 | &scan_result->Result.BssDescriptor, |
| 3975 | sizeof(temp->Result.BssDescriptor)); |
| 3976 | temp->Link.last = temp->Link.next = NULL; |
| 3977 | save_cmd->u.roamCmd.pRoamBssEntry = (tListElem *)temp; |
| 3978 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 3979 | return QDF_STATUS_SUCCESS; |
Chandrasekaran, Manishekar | ef70c0d | 2015-10-20 19:54:55 +0530 | [diff] [blame] | 3980 | error: |
| 3981 | csr_scan_handle_search_for_ssid_failure(mac_ctx, |
| 3982 | command); |
| 3983 | if (save_cmd->u.roamCmd.pRoamBssEntry) |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3984 | qdf_mem_free(save_cmd->u.roamCmd.pRoamBssEntry); |
Chandrasekaran, Manishekar | ef70c0d | 2015-10-20 19:54:55 +0530 | [diff] [blame] | 3985 | if (save_cmd->u.scanCmd.u.scanRequest.SSIDs.SSIDList) |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3986 | qdf_mem_free(save_cmd->u.scanCmd.u.scanRequest.SSIDs.SSIDList); |
Chandrasekaran, Manishekar | ef70c0d | 2015-10-20 19:54:55 +0530 | [diff] [blame] | 3987 | if (save_cmd->u.scanCmd.pToRoamProfile) |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3988 | qdf_mem_free(save_cmd->u.scanCmd.pToRoamProfile); |
Chandrasekaran, Manishekar | ef70c0d | 2015-10-20 19:54:55 +0530 | [diff] [blame] | 3989 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 3990 | return QDF_STATUS_E_FAILURE; |
Chandrasekaran, Manishekar | ef70c0d | 2015-10-20 19:54:55 +0530 | [diff] [blame] | 3991 | } |
| 3992 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3993 | static void |
| 3994 | csr_handle_nxt_cmd(tpAniSirGlobal mac_ctx, tSmeCmd *pCommand, |
| 3995 | eCsrScanCompleteNextCommand *nxt_cmd, |
Chandrasekaran, Manishekar | ef70c0d | 2015-10-20 19:54:55 +0530 | [diff] [blame] | 3996 | bool *remove_cmd, uint32_t session_id, |
| 3997 | uint8_t chan) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3998 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 3999 | QDF_STATUS status, ret; |
Chandrasekaran, Manishekar | ef70c0d | 2015-10-20 19:54:55 +0530 | [diff] [blame] | 4000 | tSmeCmd *save_cmd = NULL; |
| 4001 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4002 | switch (*nxt_cmd) { |
| 4003 | case eCsrNext11dScan1Success: |
| 4004 | case eCsrNext11dScan2Success: |
| 4005 | sms_log(mac_ctx, LOG2, |
| 4006 | FL("11dScan1/3 produced results. Reissue Active scan")); |
| 4007 | /* |
| 4008 | * if we found country information, no need to continue scanning |
| 4009 | * further, bail out |
| 4010 | */ |
| 4011 | *remove_cmd = true; |
| 4012 | *nxt_cmd = eCsrNext11dScanComplete; |
| 4013 | break; |
| 4014 | case eCsrNext11dScan1Failure: |
| 4015 | /* |
| 4016 | * We are not done yet. 11d scan fail once. We will try to reset |
| 4017 | * anything and do it over again. The only meaningful thing for |
| 4018 | * this retry is that we cannot find 11d information after a |
| 4019 | * reset so we clear the "old" 11d info and give it once more |
| 4020 | * chance |
| 4021 | */ |
| 4022 | *remove_cmd = csr_handle_scan11d1_failure(mac_ctx, pCommand); |
| 4023 | if (*remove_cmd) |
| 4024 | *nxt_cmd = eCsrNext11dScanComplete; |
| 4025 | break; |
| 4026 | case eCsrNextLostLinkScan1Success: |
| 4027 | status = csr_issue_roam_after_lostlink_scan(mac_ctx, session_id, |
| 4028 | eCsrLostLink1); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4029 | if (!QDF_IS_STATUS_SUCCESS(status)) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4030 | csr_scan_handle_failed_lostlink1(mac_ctx, session_id); |
| 4031 | break; |
| 4032 | case eCsrNextLostLinkScan2Success: |
| 4033 | status = csr_issue_roam_after_lostlink_scan(mac_ctx, session_id, |
| 4034 | eCsrLostLink2); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4035 | if (!QDF_IS_STATUS_SUCCESS(status)) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4036 | csr_scan_handle_failed_lostlink2(mac_ctx, session_id); |
| 4037 | break; |
| 4038 | case eCsrNextLostLinkScan3Success: |
| 4039 | status = csr_issue_roam_after_lostlink_scan(mac_ctx, session_id, |
| 4040 | eCsrLostLink3); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4041 | if (!QDF_IS_STATUS_SUCCESS(status)) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4042 | csr_scan_handle_failed_lostlink3(mac_ctx, session_id); |
| 4043 | break; |
| 4044 | case eCsrNextLostLinkScan1Failed: |
| 4045 | csr_scan_handle_failed_lostlink1(mac_ctx, session_id); |
| 4046 | break; |
| 4047 | case eCsrNextLostLinkScan2Failed: |
| 4048 | csr_scan_handle_failed_lostlink2(mac_ctx, session_id); |
| 4049 | break; |
| 4050 | case eCsrNextLostLinkScan3Failed: |
| 4051 | csr_scan_handle_failed_lostlink3(mac_ctx, session_id); |
| 4052 | break; |
| 4053 | case eCsrNexteScanForSsidSuccess: |
| 4054 | csr_scan_handle_search_for_ssid(mac_ctx, pCommand); |
| 4055 | break; |
| 4056 | case eCsrNexteScanForSsidFailure: |
| 4057 | csr_scan_handle_search_for_ssid_failure(mac_ctx, pCommand); |
| 4058 | break; |
Chandrasekaran, Manishekar | ef70c0d | 2015-10-20 19:54:55 +0530 | [diff] [blame] | 4059 | case eCsrNextCheckAllowConc: |
| 4060 | ret = cds_current_connections_update(pCommand->sessionId, |
| 4061 | chan, |
Chandrasekaran, Manishekar | ce2172e | 2016-02-18 16:12:43 +0530 | [diff] [blame] | 4062 | SIR_UPDATE_REASON_HIDDEN_STA); |
Chandrasekaran, Manishekar | ef70c0d | 2015-10-20 19:54:55 +0530 | [diff] [blame] | 4063 | sms_log(mac_ctx, LOG1, FL("chan: %d session: %d status: %d"), |
| 4064 | chan, pCommand->sessionId, ret); |
| 4065 | if (mac_ctx->sme.saved_scan_cmd) { |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 4066 | qdf_mem_free(mac_ctx->sme.saved_scan_cmd); |
Chandrasekaran, Manishekar | ef70c0d | 2015-10-20 19:54:55 +0530 | [diff] [blame] | 4067 | mac_ctx->sme.saved_scan_cmd = NULL; |
| 4068 | sms_log(mac_ctx, LOGE, |
| 4069 | FL("memory should have been free. Check!")); |
| 4070 | } |
| 4071 | |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 4072 | save_cmd = (tSmeCmd *) qdf_mem_malloc(sizeof(*pCommand)); |
Chandrasekaran, Manishekar | ef70c0d | 2015-10-20 19:54:55 +0530 | [diff] [blame] | 4073 | if (!save_cmd) { |
| 4074 | sms_log(mac_ctx, LOGE, FL("save_cmd mem fail")); |
| 4075 | goto error; |
| 4076 | } |
| 4077 | |
| 4078 | status = csr_save_profile(mac_ctx, save_cmd, pCommand); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4079 | if (!QDF_IS_STATUS_SUCCESS(status)) { |
Chandrasekaran, Manishekar | ef70c0d | 2015-10-20 19:54:55 +0530 | [diff] [blame] | 4080 | /* csr_save_profile should report error */ |
| 4081 | sms_log(mac_ctx, LOGE, FL("profile save failed %d"), |
| 4082 | status); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 4083 | qdf_mem_free(save_cmd); |
Chandrasekaran, Manishekar | ef70c0d | 2015-10-20 19:54:55 +0530 | [diff] [blame] | 4084 | return; |
| 4085 | } |
| 4086 | |
| 4087 | mac_ctx->sme.saved_scan_cmd = (void *)save_cmd; |
| 4088 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4089 | if (QDF_STATUS_E_FAILURE == ret) { |
Chandrasekaran, Manishekar | ef70c0d | 2015-10-20 19:54:55 +0530 | [diff] [blame] | 4090 | error: |
| 4091 | sms_log(mac_ctx, LOGE, FL("conn update fail %d"), chan); |
| 4092 | csr_scan_handle_search_for_ssid_failure(mac_ctx, |
| 4093 | pCommand); |
| 4094 | if (mac_ctx->sme.saved_scan_cmd) { |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 4095 | qdf_mem_free(mac_ctx->sme.saved_scan_cmd); |
Chandrasekaran, Manishekar | ef70c0d | 2015-10-20 19:54:55 +0530 | [diff] [blame] | 4096 | mac_ctx->sme.saved_scan_cmd = NULL; |
| 4097 | } |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4098 | } else if ((QDF_STATUS_E_NOSUPPORT == ret) || |
| 4099 | (QDF_STATUS_E_ALREADY == ret)) { |
Chandrasekaran, Manishekar | 78b9826 | 2015-11-06 15:22:46 +0530 | [diff] [blame] | 4100 | sms_log(mac_ctx, LOGE, FL("conn update ret %d"), ret); |
Chandrasekaran, Manishekar | ef70c0d | 2015-10-20 19:54:55 +0530 | [diff] [blame] | 4101 | csr_scan_handle_search_for_ssid(mac_ctx, pCommand); |
| 4102 | if (mac_ctx->sme.saved_scan_cmd) { |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 4103 | qdf_mem_free(mac_ctx->sme.saved_scan_cmd); |
Chandrasekaran, Manishekar | ef70c0d | 2015-10-20 19:54:55 +0530 | [diff] [blame] | 4104 | mac_ctx->sme.saved_scan_cmd = NULL; |
| 4105 | } |
| 4106 | } |
Chandrasekaran, Manishekar | 78b9826 | 2015-11-06 15:22:46 +0530 | [diff] [blame] | 4107 | /* Else: Set hw mode was issued and the saved connect would |
| 4108 | * be issued after set hw mode response |
| 4109 | */ |
Chandrasekaran, Manishekar | ef70c0d | 2015-10-20 19:54:55 +0530 | [diff] [blame] | 4110 | break; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4111 | default: |
| 4112 | break; |
| 4113 | } |
| 4114 | } |
| 4115 | |
| 4116 | /** |
| 4117 | * csr_get_active_scan_entry() - To get scan entry from active command list |
| 4118 | * |
| 4119 | * @mac_ctx - MAC context |
| 4120 | * @scan_id - Scan identifier of the scan request |
| 4121 | * @entry - scan entry returned. |
| 4122 | * |
| 4123 | * Scan entry in the active scan list mapping to the sent scan id |
| 4124 | * is returned to the caller. |
| 4125 | * |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4126 | * Return: QDF_STATUS. |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4127 | */ |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4128 | QDF_STATUS csr_get_active_scan_entry(tpAniSirGlobal mac_ctx, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4129 | uint32_t scan_id, tListElem **entry) |
| 4130 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4131 | QDF_STATUS status = QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4132 | tListElem *localentry; |
| 4133 | tSmeCmd *cmd; |
| 4134 | uint32_t cmd_scan_id = 0; |
| 4135 | |
| 4136 | csr_ll_lock(&mac_ctx->sme.smeScanCmdActiveList); |
| 4137 | |
| 4138 | if (csr_ll_is_list_empty(&mac_ctx->sme.smeScanCmdActiveList, |
| 4139 | LL_ACCESS_NOLOCK)) { |
| 4140 | sms_log(mac_ctx, LOGE, |
| 4141 | FL(" Active list Empty scanId: %d"), scan_id); |
Sandeep Puligilla | 4f1ae70 | 2015-11-24 17:19:48 -0800 | [diff] [blame] | 4142 | csr_ll_unlock(&mac_ctx->sme.smeScanCmdActiveList); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4143 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4144 | } |
| 4145 | localentry = csr_ll_peek_head(&mac_ctx->sme.smeScanCmdActiveList, |
| 4146 | LL_ACCESS_NOLOCK); |
| 4147 | do { |
| 4148 | cmd = GET_BASE_ADDR(localentry, tSmeCmd, Link); |
| 4149 | if (cmd->command == eSmeCommandScan) |
| 4150 | cmd_scan_id = cmd->u.scanCmd.u.scanRequest.scan_id; |
| 4151 | else if (cmd->command == eSmeCommandRemainOnChannel) |
| 4152 | cmd_scan_id = cmd->u.remainChlCmd.scan_id; |
| 4153 | if (cmd_scan_id == scan_id) { |
| 4154 | sms_log(mac_ctx, LOG1, FL(" scanId Matched %d"), |
| 4155 | scan_id); |
| 4156 | *entry = localentry; |
| 4157 | csr_ll_unlock(&mac_ctx->sme.smeScanCmdActiveList); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4158 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4159 | } |
| 4160 | localentry = csr_ll_next(&mac_ctx->sme.smeScanCmdActiveList, |
| 4161 | localentry, LL_ACCESS_NOLOCK); |
| 4162 | } while (localentry); |
| 4163 | csr_ll_unlock(&mac_ctx->sme.smeScanCmdActiveList); |
| 4164 | return status; |
| 4165 | } |
| 4166 | |
| 4167 | /* Return whether the command should be removed */ |
| 4168 | bool csr_scan_complete(tpAniSirGlobal pMac, tSirSmeScanRsp *pScanRsp) |
| 4169 | { |
| 4170 | eCsrScanCompleteNextCommand NextCommand = eCsrNextScanNothing; |
| 4171 | tListElem *pEntry = NULL; |
| 4172 | tSmeCmd *pCommand; |
| 4173 | bool fRemoveCommand = true; |
| 4174 | bool fSuccess; |
| 4175 | uint32_t sessionId = 0; |
Chandrasekaran, Manishekar | ef70c0d | 2015-10-20 19:54:55 +0530 | [diff] [blame] | 4176 | uint8_t chan; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4177 | |
| 4178 | csr_get_active_scan_entry(pMac, pScanRsp->scan_id, &pEntry); |
| 4179 | if (!pEntry) { |
| 4180 | sms_log(pMac, LOGE, |
| 4181 | FL("Scan Completion called but NO cmd ACTIVE ...")); |
| 4182 | return false; |
| 4183 | } |
| 4184 | |
| 4185 | pCommand = GET_BASE_ADDR(pEntry, tSmeCmd, Link); |
| 4186 | /* |
| 4187 | * If the head of the queue is Active and it is a SCAN command, remove |
| 4188 | * and put this on the Free queue. |
| 4189 | */ |
| 4190 | if (eSmeCommandScan != pCommand->command) { |
| 4191 | sms_log(pMac, LOGW, |
| 4192 | FL("Scan Completion called, but active SCAN cmd")); |
| 4193 | return false; |
| 4194 | } |
| 4195 | |
| 4196 | sessionId = pCommand->sessionId; |
| 4197 | if (eSIR_SME_SUCCESS != pScanRsp->statusCode) { |
| 4198 | fSuccess = false; |
| 4199 | } else { |
| 4200 | /* |
| 4201 | * pMac->scan.tempScanResults is not empty meaning the scan |
| 4202 | * found something. This check only valid here because |
| 4203 | * csrSaveScanresults is not yet called |
| 4204 | */ |
| 4205 | fSuccess = (!csr_ll_is_list_empty(&pMac->scan.tempScanResults, |
| 4206 | LL_ACCESS_LOCK)); |
| 4207 | } |
| 4208 | if (pCommand->u.scanCmd.abortScanDueToBandChange) { |
| 4209 | /* |
| 4210 | * Scan aborted due to band change |
| 4211 | * The scan results need to be flushed |
| 4212 | */ |
| 4213 | if (pCommand->u.scanCmd.callback |
| 4214 | != pMac->scan.callback11dScanDone) { |
| 4215 | sms_log(pMac, LOG1, FL("Filtering the scan results")); |
| 4216 | csr_scan_filter_results(pMac); |
| 4217 | } else { |
| 4218 | sms_log(pMac, LOG1, |
| 4219 | FL("11d_scan_done, flushing the scan results")); |
| 4220 | } |
| 4221 | pCommand->u.scanCmd.abortScanDueToBandChange = false; |
| 4222 | } |
| 4223 | csr_save_scan_results(pMac, pCommand->u.scanCmd.reason, sessionId); |
Amar Singhal | 83a047a | 2016-05-19 15:56:11 -0700 | [diff] [blame] | 4224 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4225 | #ifdef FEATURE_WLAN_DIAG_SUPPORT_CSR |
| 4226 | csr_diag_scan_complete(pMac, pCommand, pScanRsp); |
| 4227 | #endif /* #ifdef FEATURE_WLAN_DIAG_SUPPORT_CSR */ |
Chandrasekaran, Manishekar | ef70c0d | 2015-10-20 19:54:55 +0530 | [diff] [blame] | 4228 | NextCommand = csr_scan_get_next_command_state(pMac, pCommand, fSuccess, |
| 4229 | &chan); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4230 | /* We reuse the command here instead reissue a new command */ |
| 4231 | csr_handle_nxt_cmd(pMac, pCommand, &NextCommand, |
Chandrasekaran, Manishekar | ef70c0d | 2015-10-20 19:54:55 +0530 | [diff] [blame] | 4232 | &fRemoveCommand, sessionId, chan); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4233 | return fRemoveCommand; |
| 4234 | } |
| 4235 | |
| 4236 | static void |
| 4237 | csr_scan_remove_dup_bss_description_from_interim_list(tpAniSirGlobal mac_ctx, |
| 4238 | tSirBssDescription *bss_dscp, |
| 4239 | tDot11fBeaconIEs *pIes) |
| 4240 | { |
| 4241 | tListElem *pEntry; |
| 4242 | tCsrScanResult *scan_bss_dscp; |
| 4243 | int8_t scan_entry_rssi = 0; |
| 4244 | /* |
| 4245 | * Walk through all the chained BssDescriptions. If we find a chained |
| 4246 | * BssDescription that matches the BssID of the BssDescription passed |
| 4247 | * in, then these must be duplicate scan results for this Bss. In that |
| 4248 | * case, remove the 'old' Bss description from the linked list. |
| 4249 | */ |
| 4250 | sms_log(mac_ctx, LOG4, FL(" for BSS " MAC_ADDRESS_STR " "), |
| 4251 | MAC_ADDR_ARRAY(bss_dscp->bssId)); |
| 4252 | csr_ll_lock(&mac_ctx->scan.tempScanResults); |
| 4253 | pEntry = csr_ll_peek_head(&mac_ctx->scan.tempScanResults, |
| 4254 | LL_ACCESS_NOLOCK); |
| 4255 | while (pEntry) { |
| 4256 | scan_bss_dscp = GET_BASE_ADDR(pEntry, tCsrScanResult, Link); |
| 4257 | /* |
| 4258 | * we have a duplicate scan results only when BSSID, SSID, |
| 4259 | * Channel and NetworkType matches |
| 4260 | */ |
| 4261 | scan_entry_rssi = scan_bss_dscp->Result.BssDescriptor.rssi; |
| 4262 | if (csr_is_duplicate_bss_description(mac_ctx, |
| 4263 | &scan_bss_dscp->Result.BssDescriptor, bss_dscp, |
| 4264 | pIes, false)) { |
| 4265 | /* |
| 4266 | * Following is mathematically a = (aX + b(100-X))/100 |
| 4267 | * where: |
| 4268 | * a = bss_dscp->rssi, b = scan_entry_rssi |
| 4269 | * and X = CSR_SCAN_RESULT_RSSI_WEIGHT |
| 4270 | */ |
| 4271 | bss_dscp->rssi = (int8_t) ((((int32_t) bss_dscp->rssi * |
| 4272 | CSR_SCAN_RESULT_RSSI_WEIGHT) + |
| 4273 | ((int32_t) scan_entry_rssi * |
| 4274 | (100 - CSR_SCAN_RESULT_RSSI_WEIGHT))) / 100); |
| 4275 | /* Remove the 'old' entry from the list */ |
| 4276 | if (csr_ll_remove_entry(&mac_ctx->scan.tempScanResults, |
| 4277 | pEntry, LL_ACCESS_NOLOCK)) { |
| 4278 | csr_check_n_save_wsc_ie(mac_ctx, bss_dscp, |
| 4279 | &scan_bss_dscp->Result. |
| 4280 | BssDescriptor); |
| 4281 | /* |
| 4282 | * we need to free the memory associated with |
| 4283 | * this node |
| 4284 | */ |
| 4285 | csr_free_scan_result_entry(mac_ctx, |
| 4286 | scan_bss_dscp); |
| 4287 | } |
| 4288 | /* |
| 4289 | * If we found a match, we can stop looking through |
| 4290 | * the list. |
| 4291 | */ |
| 4292 | break; |
| 4293 | } |
| 4294 | pEntry = csr_ll_next(&mac_ctx->scan.tempScanResults, pEntry, |
| 4295 | LL_ACCESS_NOLOCK); |
| 4296 | } |
| 4297 | |
| 4298 | csr_ll_unlock(&mac_ctx->scan.tempScanResults); |
| 4299 | } |
| 4300 | |
| 4301 | /* Caller allocated memory pfNewBssForConn to return whether new candidate for */ |
| 4302 | /* current connection is found. Cannot be NULL */ |
| 4303 | tCsrScanResult *csr_scan_save_bss_description_to_interim_list(tpAniSirGlobal pMac, |
| 4304 | tSirBssDescription * |
| 4305 | pBSSDescription, |
| 4306 | tDot11fBeaconIEs *pIes) |
| 4307 | { |
| 4308 | tCsrScanResult *pCsrBssDescription = NULL; |
| 4309 | uint32_t cbBSSDesc; |
| 4310 | uint32_t cbAllocated; |
| 4311 | |
| 4312 | /* figure out how big the BSS description is (the BSSDesc->length does NOT */ |
| 4313 | /* include the size of the length field itself). */ |
| 4314 | cbBSSDesc = pBSSDescription->length + sizeof(pBSSDescription->length); |
| 4315 | |
| 4316 | cbAllocated = sizeof(tCsrScanResult) + cbBSSDesc; |
| 4317 | |
| 4318 | sms_log(pMac, LOG4, FL("new BSS description, length %d, cbBSSDesc %d"), |
| 4319 | cbAllocated, cbBSSDesc); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 4320 | pCsrBssDescription = qdf_mem_malloc(cbAllocated); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4321 | if (NULL != pCsrBssDescription) { |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 4322 | qdf_mem_set(pCsrBssDescription, cbAllocated, 0); |
| 4323 | qdf_mem_copy(&pCsrBssDescription->Result.BssDescriptor, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4324 | pBSSDescription, cbBSSDesc); |
| 4325 | pCsrBssDescription->AgingCount = |
| 4326 | (int32_t) pMac->roam.configParam.agingCount; |
| 4327 | sms_log(pMac, LOG4, |
| 4328 | FL(" Set Aging Count = %d for BSS " MAC_ADDRESS_STR " "), |
| 4329 | pCsrBssDescription->AgingCount, |
| 4330 | MAC_ADDR_ARRAY(pCsrBssDescription->Result.BssDescriptor. |
| 4331 | bssId)); |
| 4332 | /* Save SSID separately for later use */ |
| 4333 | if (pIes->SSID.present |
| 4334 | && !csr_is_nullssid(pIes->SSID.ssid, pIes->SSID.num_ssid)) { |
| 4335 | /* SSID not hidden */ |
| 4336 | uint32_t len = pIes->SSID.num_ssid; |
| 4337 | if (len > SIR_MAC_MAX_SSID_LENGTH) { |
| 4338 | /* truncate to fit in our struct */ |
| 4339 | len = SIR_MAC_MAX_SSID_LENGTH; |
| 4340 | } |
| 4341 | pCsrBssDescription->Result.ssId.length = len; |
| 4342 | pCsrBssDescription->Result.timer = |
Anurag Chouhan | 210db07 | 2016-02-22 18:42:15 +0530 | [diff] [blame] | 4343 | qdf_mc_timer_get_system_time(); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 4344 | qdf_mem_copy(pCsrBssDescription->Result.ssId.ssId, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4345 | pIes->SSID.ssid, len); |
| 4346 | } |
| 4347 | csr_ll_insert_tail(&pMac->scan.tempScanResults, |
| 4348 | &pCsrBssDescription->Link, LL_ACCESS_LOCK); |
| 4349 | } |
| 4350 | |
| 4351 | return pCsrBssDescription; |
| 4352 | } |
| 4353 | |
| 4354 | bool csr_is_duplicate_bss_description(tpAniSirGlobal pMac, |
| 4355 | tSirBssDescription *pSirBssDesc1, |
| 4356 | tSirBssDescription *pSirBssDesc2, |
| 4357 | tDot11fBeaconIEs *pIes2, bool fForced) |
| 4358 | { |
| 4359 | bool fMatch = false; |
| 4360 | tSirMacCapabilityInfo *pCap1, *pCap2; |
| 4361 | tDot11fBeaconIEs *pIes1 = NULL; |
| 4362 | tDot11fBeaconIEs *pIesTemp = pIes2; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4363 | QDF_STATUS status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4364 | |
| 4365 | pCap1 = (tSirMacCapabilityInfo *) &pSirBssDesc1->capabilityInfo; |
| 4366 | pCap2 = (tSirMacCapabilityInfo *) &pSirBssDesc2->capabilityInfo; |
| 4367 | |
| 4368 | if (pCap1->ess != pCap2->ess) |
| 4369 | goto free_ies; |
| 4370 | |
| 4371 | if (pCap1->ess && |
Anurag Chouhan | c554842 | 2016-02-24 18:33:27 +0530 | [diff] [blame] | 4372 | qdf_is_macaddr_equal((struct qdf_mac_addr *) pSirBssDesc1->bssId, |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 4373 | (struct qdf_mac_addr *) pSirBssDesc2->bssId) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4374 | && (fForced |
| 4375 | || (cds_chan_to_band(pSirBssDesc1->channelId) == |
| 4376 | cds_chan_to_band((pSirBssDesc2->channelId))))) { |
| 4377 | fMatch = true; |
| 4378 | /* Check for SSID match, if exists */ |
| 4379 | status = csr_get_parsed_bss_description_ies(pMac, pSirBssDesc1, |
| 4380 | &pIes1); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4381 | if (!QDF_IS_STATUS_SUCCESS(status)) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4382 | goto free_ies; |
| 4383 | |
| 4384 | if (NULL == pIesTemp) { |
| 4385 | status = csr_get_parsed_bss_description_ies(pMac, |
| 4386 | pSirBssDesc2, &pIesTemp); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4387 | if (!QDF_IS_STATUS_SUCCESS(status)) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4388 | goto free_ies; |
| 4389 | } |
| 4390 | if (pIes1->SSID.present && pIesTemp->SSID.present) { |
| 4391 | fMatch = csr_is_ssid_match(pMac, pIes1->SSID.ssid, |
| 4392 | pIes1->SSID.num_ssid, |
| 4393 | pIesTemp->SSID.ssid, |
| 4394 | pIesTemp->SSID.num_ssid, |
| 4395 | true); |
| 4396 | } |
| 4397 | } else if (pCap1->ibss && (pSirBssDesc1->channelId == |
| 4398 | pSirBssDesc2->channelId)) { |
| 4399 | status = csr_get_parsed_bss_description_ies(pMac, pSirBssDesc1, |
| 4400 | &pIes1); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4401 | if (!QDF_IS_STATUS_SUCCESS(status)) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4402 | goto free_ies; |
| 4403 | |
| 4404 | if (NULL == pIesTemp) { |
| 4405 | status = csr_get_parsed_bss_description_ies(pMac, |
| 4406 | pSirBssDesc2, &pIesTemp); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4407 | if (!QDF_IS_STATUS_SUCCESS(status)) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4408 | goto free_ies; |
| 4409 | } |
| 4410 | |
| 4411 | /* Same channel cannot have same SSID for different IBSS */ |
| 4412 | if (pIes1->SSID.present && pIesTemp->SSID.present) { |
| 4413 | fMatch = csr_is_ssid_match(pMac, pIes1->SSID.ssid, |
| 4414 | pIes1->SSID.num_ssid, |
| 4415 | pIesTemp->SSID.ssid, |
| 4416 | pIesTemp->SSID.num_ssid, |
| 4417 | true); |
| 4418 | } |
| 4419 | } |
| 4420 | /* In case of P2P devices, ess and ibss will be set to zero */ |
| 4421 | else if (!pCap1->ess && |
Anurag Chouhan | c554842 | 2016-02-24 18:33:27 +0530 | [diff] [blame] | 4422 | qdf_is_macaddr_equal( |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 4423 | (struct qdf_mac_addr *) pSirBssDesc1->bssId, |
| 4424 | (struct qdf_mac_addr *) pSirBssDesc2->bssId)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4425 | fMatch = true; |
| 4426 | } |
| 4427 | |
| 4428 | free_ies: |
| 4429 | if (pIes1) |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 4430 | qdf_mem_free(pIes1); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4431 | if ((NULL == pIes2) && pIesTemp) |
| 4432 | /* locally allocated */ |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 4433 | qdf_mem_free(pIesTemp); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4434 | return fMatch; |
| 4435 | } |
| 4436 | |
| 4437 | bool csr_is_network_type_equal(tSirBssDescription *pSirBssDesc1, |
| 4438 | tSirBssDescription *pSirBssDesc2) |
| 4439 | { |
| 4440 | return pSirBssDesc1->nwType == pSirBssDesc2->nwType; |
| 4441 | } |
| 4442 | |
| 4443 | /* to check whether the BSS matches the dot11Mode */ |
| 4444 | static bool csr_scan_is_bss_allowed(tpAniSirGlobal pMac, |
| 4445 | tSirBssDescription *pBssDesc, |
| 4446 | tDot11fBeaconIEs *pIes) |
| 4447 | { |
| 4448 | bool fAllowed = false; |
| 4449 | eCsrPhyMode phyMode; |
| 4450 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4451 | if (QDF_IS_STATUS_SUCCESS |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4452 | (csr_get_phy_mode_from_bss(pMac, pBssDesc, &phyMode, pIes))) { |
| 4453 | switch (pMac->roam.configParam.phyMode) { |
| 4454 | case eCSR_DOT11_MODE_11b: |
| 4455 | fAllowed = (bool) (eCSR_DOT11_MODE_11a != phyMode); |
| 4456 | break; |
| 4457 | case eCSR_DOT11_MODE_11g: |
| 4458 | fAllowed = (bool) (eCSR_DOT11_MODE_11a != phyMode); |
| 4459 | break; |
| 4460 | case eCSR_DOT11_MODE_11g_ONLY: |
| 4461 | fAllowed = (bool) (eCSR_DOT11_MODE_11g == phyMode); |
| 4462 | break; |
| 4463 | case eCSR_DOT11_MODE_11a: |
| 4464 | fAllowed = (bool) ((eCSR_DOT11_MODE_11b != phyMode) |
| 4465 | && (eCSR_DOT11_MODE_11g != phyMode)); |
| 4466 | break; |
| 4467 | case eCSR_DOT11_MODE_11n_ONLY: |
| 4468 | fAllowed = (bool) ((eCSR_DOT11_MODE_11n == phyMode)); |
| 4469 | break; |
| 4470 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4471 | case eCSR_DOT11_MODE_11ac_ONLY: |
| 4472 | fAllowed = (bool) ((eCSR_DOT11_MODE_11ac == phyMode)); |
| 4473 | break; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4474 | case eCSR_DOT11_MODE_11b_ONLY: |
| 4475 | fAllowed = (bool) (eCSR_DOT11_MODE_11b == phyMode); |
| 4476 | break; |
| 4477 | case eCSR_DOT11_MODE_11n: |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4478 | case eCSR_DOT11_MODE_11ac: |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4479 | default: |
| 4480 | fAllowed = true; |
| 4481 | break; |
| 4482 | } |
| 4483 | } |
| 4484 | |
| 4485 | return fAllowed; |
| 4486 | } |
| 4487 | |
| 4488 | /* Return pIes to caller for future use when returning true. */ |
| 4489 | static bool csr_scan_validate_scan_result(tpAniSirGlobal pMac, |
| 4490 | uint8_t *pChannels, |
| 4491 | uint8_t numChn, |
| 4492 | tSirBssDescription *pBssDesc, |
| 4493 | tDot11fBeaconIEs **ppIes) |
| 4494 | { |
| 4495 | bool valid = false; |
| 4496 | tDot11fBeaconIEs *pIes = NULL; |
| 4497 | uint8_t index; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4498 | QDF_STATUS status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4499 | |
| 4500 | for (index = 0; index < numChn; index++) { |
| 4501 | /* |
| 4502 | * This check relies on the fact that a single BSS description |
| 4503 | * is returned in each ScanRsp call, which is the way LIM |
| 4504 | * implemented the scan req/rsp funtions. We changed to this |
| 4505 | * model when we ran with a large number of APs. If this were to |
| 4506 | * change, then this check would have to mess with removing the |
| 4507 | * bssDescription from somewhere in an arbitrary index in the |
| 4508 | * bssDescription array. |
| 4509 | */ |
| 4510 | if (pChannels[index] == pBssDesc->channelId) { |
| 4511 | valid = true; |
| 4512 | break; |
| 4513 | } |
| 4514 | } |
| 4515 | *ppIes = NULL; |
| 4516 | if (valid) { |
| 4517 | status = csr_get_parsed_bss_description_ies(pMac, pBssDesc, |
| 4518 | &pIes); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4519 | if (!QDF_IS_STATUS_SUCCESS(status)) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4520 | return false; |
| 4521 | |
| 4522 | valid = csr_scan_is_bss_allowed(pMac, pBssDesc, pIes); |
| 4523 | if (valid) |
| 4524 | *ppIes = pIes; |
| 4525 | else |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 4526 | qdf_mem_free(pIes); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4527 | } |
| 4528 | return valid; |
| 4529 | } |
| 4530 | |
| 4531 | static void csr_update_scantype(tpAniSirGlobal pMac, tDot11fBeaconIEs *pIes, |
| 4532 | uint8_t channelId) |
| 4533 | { |
| 4534 | if (eSIR_PASSIVE_SCAN != pMac->scan.curScanType) |
| 4535 | return; |
| 4536 | |
| 4537 | if (csr_is11d_supported(pMac)) { |
| 4538 | /* Check whether the BSS is acceptable based on |
| 4539 | * 11d info and our config. |
| 4540 | */ |
| 4541 | if (!csr_match_country_code(pMac, NULL, pIes)) |
| 4542 | return; |
| 4543 | |
| 4544 | /* check if channel is acceptable by config */ |
| 4545 | if (csr_is_supported_channel(pMac, channelId)) |
| 4546 | pMac->scan.curScanType = eSIR_ACTIVE_SCAN; |
| 4547 | |
| 4548 | } else |
| 4549 | pMac->scan.curScanType = eSIR_ACTIVE_SCAN; |
| 4550 | |
| 4551 | } |
| 4552 | |
| 4553 | /* Return whether last scan result is received */ |
| 4554 | static bool csr_scan_process_scan_results(tpAniSirGlobal pMac, tSmeCmd *pCommand, |
| 4555 | tSirSmeScanRsp *pScanRsp, |
| 4556 | bool *pfRemoveCommand) |
| 4557 | { |
| 4558 | bool fRet = false, fRemoveCommand = false; |
Amar Singhal | 83a047a | 2016-05-19 15:56:11 -0700 | [diff] [blame] | 4559 | QDF_STATUS status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4560 | |
| 4561 | sms_log(pMac, LOG1, FL("scan reason = %d, response status code = %d"), |
| 4562 | pCommand->u.scanCmd.reason, pScanRsp->statusCode); |
| 4563 | fRemoveCommand = csr_scan_complete(pMac, pScanRsp); |
| 4564 | fRet = true; |
| 4565 | if (pfRemoveCommand) { |
| 4566 | *pfRemoveCommand = fRemoveCommand; |
| 4567 | } |
Amar Singhal | 83a047a | 2016-05-19 15:56:11 -0700 | [diff] [blame] | 4568 | |
| 4569 | /* |
| 4570 | * Currently SET_FCC_CHANNEL issues updated channel list to fw. |
| 4571 | * At the time of driver load, if scan is issued followed with |
| 4572 | * SET_FCC_CHANNEL, driver will send update channel list to fw. |
| 4573 | * Fw will stop ongoing scan because of that GUI will have very less |
| 4574 | * scan list. |
| 4575 | * Update channel list should be sent to fw once scan is done |
| 4576 | */ |
| 4577 | if (pMac->scan.defer_update_channel_list) { |
| 4578 | status = csr_update_channel_list(pMac); |
| 4579 | if (!QDF_IS_STATUS_SUCCESS(status)) |
| 4580 | sms_log(pMac, LOGE, |
| 4581 | FL("failed to update the supported channel list")); |
| 4582 | pMac->scan.defer_update_channel_list = false; |
| 4583 | } |
| 4584 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4585 | return fRet; |
| 4586 | } |
| 4587 | |
| 4588 | /* csr_scan_process_single_bssdescr() - Add a bssdescriptor to scan table |
| 4589 | * |
| 4590 | * @mac_ctx - MAC context |
| 4591 | * @bssdescr - Pointer to BSS description structure that contains |
| 4592 | * everything from beacon/probe response frame and additional |
| 4593 | * information. |
| 4594 | * @scan_id - Scan identifier of the scan request that was running |
| 4595 | * when this beacon was received. Reserved for future when |
| 4596 | * firmware provides that information. |
| 4597 | * @flags - Reserved for future use. |
| 4598 | * |
| 4599 | * Callback routine called by LIM when it receives a beacon or probe response |
| 4600 | * from the device. 802.11 frame is already converted to internal |
| 4601 | * tSirBssDescription data structure. |
| 4602 | * |
| 4603 | * Return: 0 or other error codes. |
| 4604 | */ |
| 4605 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4606 | QDF_STATUS csr_scan_process_single_bssdescr(tpAniSirGlobal mac_ctx, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4607 | tSirBssDescription *bssdescr, |
| 4608 | uint32_t scan_id, uint32_t flags) |
| 4609 | { |
| 4610 | tDot11fBeaconIEs *ies = NULL; |
| 4611 | uint8_t *chanlist = NULL; |
| 4612 | uint8_t cnt_channels = 0; |
| 4613 | uint32_t len = sizeof(mac_ctx->roam.validChannelList); |
| 4614 | |
| 4615 | sms_log(mac_ctx, LOG4, "CSR: Processing single bssdescr"); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4616 | if (QDF_IS_STATUS_SUCCESS( |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4617 | csr_get_cfg_valid_channels(mac_ctx, |
| 4618 | (uint8_t *) mac_ctx->roam.validChannelList, |
| 4619 | &len))) { |
| 4620 | chanlist = mac_ctx->roam.validChannelList; |
| 4621 | cnt_channels = (uint8_t) len; |
| 4622 | } else { |
| 4623 | /* Cannot continue */ |
| 4624 | sms_log(mac_ctx, LOGW, |
| 4625 | FL("Received results on invalid channel")); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4626 | return QDF_STATUS_E_INVAL; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4627 | } |
| 4628 | |
| 4629 | if (csr_scan_validate_scan_result(mac_ctx, chanlist, |
| 4630 | cnt_channels, bssdescr, &ies)) { |
| 4631 | csr_scan_remove_dup_bss_description_from_interim_list |
| 4632 | (mac_ctx, bssdescr, ies); |
| 4633 | csr_scan_save_bss_description_to_interim_list |
| 4634 | (mac_ctx, bssdescr, ies); |
| 4635 | csr_update_scantype(mac_ctx, ies, bssdescr->channelId); |
| 4636 | /* Free the resource */ |
| 4637 | if (ies != NULL) |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 4638 | qdf_mem_free(ies); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4639 | } |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4640 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4641 | } |
| 4642 | |
| 4643 | |
| 4644 | bool csr_scan_is_wild_card_scan(tpAniSirGlobal pMac, tSmeCmd *pCommand) |
| 4645 | { |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 4646 | uint8_t bssid[QDF_MAC_ADDR_SIZE] = {0}; |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 4647 | bool f = qdf_mem_cmp(pCommand->u.scanCmd.u.scanRequest.bssid.bytes, |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 4648 | bssid, sizeof(struct qdf_mac_addr)); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4649 | /* |
| 4650 | * It is not a wild card scan if the bssid is not broadcast and |
| 4651 | * the number of SSID is 1. |
| 4652 | */ |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 4653 | return ((!f) || (0xff == pCommand->u.scanCmd.u.scanRequest.bssid.bytes[0])) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4654 | && (pCommand->u.scanCmd.u.scanRequest.SSIDs.numOfSSIDs != 1); |
| 4655 | } |
| 4656 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4657 | QDF_STATUS csr_scan_sme_scan_response(tpAniSirGlobal pMac, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4658 | void *pMsgBuf) |
| 4659 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4660 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4661 | tListElem *pEntry = NULL; |
| 4662 | tSmeCmd *pCommand; |
| 4663 | eCsrScanStatus scanStatus; |
| 4664 | tSirSmeScanRsp *pScanRsp = (tSirSmeScanRsp *)pMsgBuf; |
| 4665 | bool fRemoveCommand = true; |
| 4666 | eCsrScanReason reason = eCsrScanOther; |
| 4667 | |
| 4668 | csr_get_active_scan_entry(pMac, pScanRsp->scan_id, &pEntry); |
| 4669 | if (!pEntry) |
| 4670 | goto error_handling; |
| 4671 | |
| 4672 | sms_log(pMac, LOG1, FL("Scan completion called:scan_id %d, entry = %p"), |
| 4673 | pScanRsp->scan_id, pEntry); |
| 4674 | |
| 4675 | pCommand = GET_BASE_ADDR(pEntry, tSmeCmd, Link); |
| 4676 | if (eSmeCommandScan != pCommand->command) |
| 4677 | goto error_handling; |
| 4678 | |
| 4679 | scanStatus = (eSIR_SME_SUCCESS == pScanRsp->statusCode) ? |
| 4680 | eCSR_SCAN_SUCCESS : eCSR_SCAN_FAILURE; |
| 4681 | reason = pCommand->u.scanCmd.reason; |
| 4682 | switch (pCommand->u.scanCmd.reason) { |
| 4683 | case eCsrScanAbortNormalScan: |
| 4684 | break; |
| 4685 | case eCsrScanP2PFindPeer: |
| 4686 | scanStatus = (eSIR_SME_SUCCESS == pScanRsp->statusCode) ? |
| 4687 | eCSR_SCAN_FOUND_PEER : eCSR_SCAN_FAILURE; |
| 4688 | csr_scan_process_scan_results(pMac, pCommand, pScanRsp, NULL); |
| 4689 | break; |
| 4690 | default: |
| 4691 | if (csr_scan_process_scan_results(pMac, pCommand, pScanRsp, |
| 4692 | &fRemoveCommand) |
| 4693 | && csr_scan_is_wild_card_scan(pMac, pCommand) |
| 4694 | && !pCommand->u.scanCmd.u.scanRequest.p2pSearch) { |
| 4695 | |
| 4696 | /* Age out logic will be taken care by the age out timer */ |
| 4697 | } |
| 4698 | break; |
| 4699 | } |
| 4700 | if (fRemoveCommand) |
| 4701 | csr_release_scan_command(pMac, pCommand, scanStatus); |
| 4702 | sme_process_pending_queue(pMac); |
| 4703 | return status; |
| 4704 | |
| 4705 | error_handling: |
| 4706 | #ifdef FEATURE_WLAN_SCAN_PNO |
| 4707 | if (pMac->pnoOffload && pScanRsp->statusCode == eSIR_PNO_SCAN_SUCCESS) { |
Sandeep Puligilla | 707386e | 2016-05-31 15:48:37 -0700 | [diff] [blame] | 4708 | sms_log(pMac, LOG1, FL("PNO Scan completion called")); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4709 | csr_save_scan_results(pMac, eCsrScanCandidateFound, |
| 4710 | pScanRsp->sessionId); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4711 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4712 | } else { |
| 4713 | /* |
| 4714 | * Scan completion was called, PNO is active, but scan |
| 4715 | * response was not PNO |
| 4716 | */ |
| 4717 | sms_log(pMac, LOGE, |
| 4718 | FL("Scan completion called, scan rsp was not PNO.")); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4719 | return QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4720 | } |
| 4721 | #endif |
| 4722 | sms_log(pMac, LOGE, FL("Scan completion called, but no active SCAN command.")); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4723 | return QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4724 | } |
| 4725 | |
| 4726 | tCsrScanResultInfo *csr_scan_result_get_first(tpAniSirGlobal pMac, |
| 4727 | tScanResultHandle hScanResult) |
| 4728 | { |
| 4729 | tListElem *pEntry; |
| 4730 | tCsrScanResult *pResult; |
| 4731 | tCsrScanResultInfo *pRet = NULL; |
| 4732 | tScanResultList *pResultList = (tScanResultList *) hScanResult; |
| 4733 | |
| 4734 | if (pResultList) { |
| 4735 | csr_ll_lock(&pResultList->List); |
| 4736 | pEntry = csr_ll_peek_head(&pResultList->List, LL_ACCESS_NOLOCK); |
| 4737 | if (pEntry) { |
| 4738 | pResult = GET_BASE_ADDR(pEntry, tCsrScanResult, Link); |
| 4739 | pRet = &pResult->Result; |
| 4740 | } |
| 4741 | pResultList->pCurEntry = pEntry; |
| 4742 | csr_ll_unlock(&pResultList->List); |
| 4743 | } |
| 4744 | |
| 4745 | return pRet; |
| 4746 | } |
| 4747 | |
| 4748 | tCsrScanResultInfo *csr_scan_result_get_next(tpAniSirGlobal pMac, |
| 4749 | tScanResultHandle hScanResult) |
| 4750 | { |
| 4751 | tListElem *pEntry = NULL; |
| 4752 | tCsrScanResult *pResult = NULL; |
| 4753 | tCsrScanResultInfo *pRet = NULL; |
| 4754 | tScanResultList *pResultList = (tScanResultList *) hScanResult; |
| 4755 | |
| 4756 | if (!pResultList) |
| 4757 | return NULL; |
| 4758 | |
| 4759 | csr_ll_lock(&pResultList->List); |
| 4760 | if (NULL == pResultList->pCurEntry) { |
| 4761 | pEntry = csr_ll_peek_head(&pResultList->List, LL_ACCESS_NOLOCK); |
| 4762 | } else { |
| 4763 | pEntry = csr_ll_next(&pResultList->List, pResultList->pCurEntry, |
| 4764 | LL_ACCESS_NOLOCK); |
| 4765 | } |
| 4766 | if (pEntry) { |
| 4767 | pResult = GET_BASE_ADDR(pEntry, tCsrScanResult, Link); |
| 4768 | pRet = &pResult->Result; |
| 4769 | } |
| 4770 | pResultList->pCurEntry = pEntry; |
| 4771 | csr_ll_unlock(&pResultList->List); |
| 4772 | return pRet; |
| 4773 | } |
| 4774 | |
| 4775 | /* |
| 4776 | * This function moves the first BSS that matches the bssid to the |
| 4777 | * head of the result |
| 4778 | */ |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4779 | QDF_STATUS csr_move_bss_to_head_from_bssid(tpAniSirGlobal pMac, |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 4780 | struct qdf_mac_addr *bssid, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4781 | tScanResultHandle hScanResult) |
| 4782 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4783 | QDF_STATUS status = QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4784 | tScanResultList *pResultList = (tScanResultList *) hScanResult; |
| 4785 | tCsrScanResult *pResult = NULL; |
| 4786 | tListElem *pEntry = NULL; |
| 4787 | |
| 4788 | if (!(pResultList && bssid)) |
| 4789 | return status; |
| 4790 | |
| 4791 | csr_ll_lock(&pResultList->List); |
| 4792 | pEntry = csr_ll_peek_head(&pResultList->List, LL_ACCESS_NOLOCK); |
| 4793 | while (pEntry) { |
| 4794 | pResult = GET_BASE_ADDR(pEntry, tCsrScanResult, Link); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 4795 | if (!qdf_mem_cmp(bssid, pResult->Result.BssDescriptor.bssId, |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 4796 | sizeof(struct qdf_mac_addr))) { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4797 | status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4798 | csr_ll_remove_entry(&pResultList->List, pEntry, |
| 4799 | LL_ACCESS_NOLOCK); |
| 4800 | csr_ll_insert_head(&pResultList->List, pEntry, |
| 4801 | LL_ACCESS_NOLOCK); |
| 4802 | break; |
| 4803 | } |
| 4804 | pEntry = csr_ll_next(&pResultList->List, pResultList->pCurEntry, |
| 4805 | LL_ACCESS_NOLOCK); |
| 4806 | } |
| 4807 | csr_ll_unlock(&pResultList->List); |
| 4808 | return status; |
| 4809 | } |
| 4810 | |
| 4811 | /* Remove the BSS if possible. */ |
| 4812 | /* Return -- true == the BSS is remove. False == Fail to remove it */ |
| 4813 | /* This function is called when list lock is held. Be caution what functions it can call. */ |
| 4814 | bool csr_scan_age_out_bss(tpAniSirGlobal pMac, tCsrScanResult *pResult) |
| 4815 | { |
| 4816 | bool fRet = false; |
| 4817 | uint32_t i; |
| 4818 | tCsrRoamSession *pSession; |
| 4819 | bool isConnBssfound = false; |
| 4820 | |
| 4821 | for (i = 0; i < CSR_ROAM_SESSION_MAX; i++) { |
| 4822 | if (!CSR_IS_SESSION_VALID(pMac, i)) |
| 4823 | continue; |
| 4824 | pSession = CSR_GET_SESSION(pMac, i); |
| 4825 | /* Not to remove the BSS we are connected to. */ |
| 4826 | if (csr_is_conn_state_connected_infra(pMac, i) |
| 4827 | && (NULL != pSession->pConnectBssDesc) |
| 4828 | && (csr_is_duplicate_bss_description(pMac, |
| 4829 | &pResult->Result.BssDescriptor, |
| 4830 | pSession->pConnectBssDesc, NULL, false))) { |
| 4831 | isConnBssfound = true; |
| 4832 | break; |
| 4833 | } |
| 4834 | } |
| 4835 | if (isConnBssfound) { |
| 4836 | /* |
| 4837 | * Reset the counter so that aging out of connected BSS won't |
| 4838 | * hapeen too soon |
| 4839 | */ |
| 4840 | pResult->AgingCount = |
| 4841 | (int32_t) pMac->roam.configParam.agingCount; |
| 4842 | sms_log(pMac, LOGW, |
| 4843 | FL("Connected BSS, Set Aging Count=%d for BSS " |
| 4844 | MAC_ADDRESS_STR), pResult->AgingCount, |
| 4845 | MAC_ADDR_ARRAY(pResult->Result.BssDescriptor.bssId)); |
| 4846 | pResult->Result.BssDescriptor.nReceivedTime = |
Anurag Chouhan | 210db07 | 2016-02-22 18:42:15 +0530 | [diff] [blame] | 4847 | (uint32_t) qdf_mc_timer_get_system_ticks(); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4848 | return fRet; |
| 4849 | } |
| 4850 | sms_log(pMac, LOGW, |
| 4851 | "Aging out BSS " MAC_ADDRESS_STR " Channel %d", |
| 4852 | MAC_ADDR_ARRAY(pResult->Result.BssDescriptor.bssId), |
| 4853 | pResult->Result.BssDescriptor.channelId); |
| 4854 | /* |
| 4855 | * No need to hold the spin lock because caller should hold the lock for |
| 4856 | * pMac->scan.scanResultList |
| 4857 | */ |
| 4858 | if (csr_ll_remove_entry(&pMac->scan.scanResultList, &pResult->Link, |
| 4859 | LL_ACCESS_NOLOCK)) { |
Anurag Chouhan | c554842 | 2016-02-24 18:33:27 +0530 | [diff] [blame] | 4860 | if (qdf_is_macaddr_equal( |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 4861 | (struct qdf_mac_addr *) &pResult->Result.BssDescriptor.bssId, |
| 4862 | (struct qdf_mac_addr *) &pMac->scan.currentCountryBssid)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4863 | sms_log(pMac, LOGW, |
| 4864 | FL("Aging out 11d BSS " MAC_ADDRESS_STR), |
| 4865 | MAC_ADDR_ARRAY( |
| 4866 | pResult->Result.BssDescriptor.bssId)); |
| 4867 | pMac->scan.currentCountryRSSI = -128; |
| 4868 | } |
| 4869 | csr_free_scan_result_entry(pMac, pResult); |
| 4870 | fRet = true; |
| 4871 | } |
| 4872 | return fRet; |
| 4873 | } |
| 4874 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4875 | QDF_STATUS csr_scan_age_results(tpAniSirGlobal pMac, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4876 | tSmeGetScanChnRsp *pScanChnInfo) |
| 4877 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4878 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4879 | tListElem *pEntry, *tmpEntry; |
| 4880 | tCsrScanResult *pResult; |
| 4881 | tLimScanChn *pChnInfo; |
| 4882 | uint8_t i; |
| 4883 | |
| 4884 | csr_ll_lock(&pMac->scan.scanResultList); |
| 4885 | for (i = 0; i < pScanChnInfo->numChn; i++) { |
| 4886 | pChnInfo = &pScanChnInfo->scanChn[i]; |
| 4887 | pEntry = |
| 4888 | csr_ll_peek_head(&pMac->scan.scanResultList, LL_ACCESS_NOLOCK); |
| 4889 | while (pEntry) { |
| 4890 | tmpEntry = |
| 4891 | csr_ll_next(&pMac->scan.scanResultList, pEntry, |
| 4892 | LL_ACCESS_NOLOCK); |
| 4893 | pResult = GET_BASE_ADDR(pEntry, tCsrScanResult, Link); |
| 4894 | if (pResult->Result.BssDescriptor.channelId == |
| 4895 | pChnInfo->channelId) { |
| 4896 | if (pResult->AgingCount <= 0) { |
| 4897 | sms_log(pMac, LOGW, |
| 4898 | " age out due to ref count"); |
| 4899 | csr_scan_age_out_bss(pMac, pResult); |
| 4900 | } else { |
| 4901 | pResult->AgingCount--; |
| 4902 | sms_log(pMac, LOGW, |
| 4903 | FL |
| 4904 | ("Decremented AgingCount=%d for BSS " |
| 4905 | MAC_ADDRESS_STR ""), |
| 4906 | pResult->AgingCount, |
| 4907 | MAC_ADDR_ARRAY(pResult->Result. |
| 4908 | BssDescriptor. |
| 4909 | bssId)); |
| 4910 | } |
| 4911 | } |
| 4912 | pEntry = tmpEntry; |
| 4913 | } |
| 4914 | } |
| 4915 | csr_ll_unlock(&pMac->scan.scanResultList); |
| 4916 | |
| 4917 | return status; |
| 4918 | } |
| 4919 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4920 | QDF_STATUS csr_send_mb_scan_req(tpAniSirGlobal pMac, uint16_t sessionId, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4921 | tCsrScanRequest *pScanReq, |
| 4922 | tScanReqParam *pScanReqParam) |
| 4923 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4924 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4925 | tSirSmeScanReq *pMsg; |
| 4926 | uint16_t msgLen; |
| 4927 | tSirScanType scanType = pScanReq->scanType; |
| 4928 | uint32_t minChnTime; /* in units of milliseconds */ |
| 4929 | uint32_t maxChnTime; /* in units of milliseconds */ |
| 4930 | uint32_t i; |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 4931 | struct qdf_mac_addr selfmac; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4932 | |
| 4933 | msgLen = (uint16_t) (sizeof(tSirSmeScanReq) - |
| 4934 | sizeof(pMsg->channelList.channelNumber) + |
| 4935 | (sizeof(pMsg->channelList.channelNumber) * |
| 4936 | pScanReq->ChannelInfo.numOfChannels)) + |
| 4937 | (pScanReq->uIEFieldLen); |
| 4938 | |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 4939 | pMsg = qdf_mem_malloc(msgLen); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4940 | if (NULL == pMsg) { |
| 4941 | sms_log(pMac, LOGE, FL("memory allocation failed")); |
| 4942 | sms_log(pMac, LOG1, FL("Failed: SId: %d FirstMatch = %d" |
| 4943 | " UniqueResult = %d freshScan = %d hiddenSsid = %d"), |
| 4944 | sessionId, pScanReqParam->bReturnAfter1stMatch, |
| 4945 | pScanReqParam->fUniqueResult, pScanReqParam->freshScan, |
| 4946 | pScanReqParam->hiddenSsid); |
| 4947 | sms_log(pMac, LOG1, |
Sreelakshmi Konamki | 39acb13 | 2015-12-16 13:06:22 +0530 | [diff] [blame] | 4948 | FL("scanType = %s (%u) BSSType = %s (%u) numOfSSIDs = %d" |
Rajeev Kumar | 43e25b1 | 2016-04-15 16:26:36 -0700 | [diff] [blame] | 4949 | " numOfChannels = %d requestType = %s (%d) p2pSearch = %d\n"), |
| 4950 | sme_scan_type_to_string(pScanReq->scanType), |
Sreelakshmi Konamki | 39acb13 | 2015-12-16 13:06:22 +0530 | [diff] [blame] | 4951 | pScanReq->scanType, |
Rajeev Kumar | 43e25b1 | 2016-04-15 16:26:36 -0700 | [diff] [blame] | 4952 | sme_bss_type_to_string(pScanReq->BSSType), |
Sreelakshmi Konamki | 39acb13 | 2015-12-16 13:06:22 +0530 | [diff] [blame] | 4953 | pScanReq->BSSType, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4954 | pScanReq->SSIDs.numOfSSIDs, |
| 4955 | pScanReq->ChannelInfo.numOfChannels, |
Sreelakshmi Konamki | 39acb13 | 2015-12-16 13:06:22 +0530 | [diff] [blame] | 4956 | sme_request_type_to_string(pScanReq->requestType), |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4957 | pScanReq->requestType, pScanReq->p2pSearch); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4958 | return QDF_STATUS_E_NOMEM; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4959 | } |
| 4960 | |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 4961 | qdf_mem_set(pMsg, msgLen, 0); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4962 | pMsg->messageType = eWNI_SME_SCAN_REQ; |
| 4963 | pMsg->length = msgLen; |
| 4964 | /* ToDO: Fill in session info when we need to do scan base on session */ |
| 4965 | if ((sessionId != CSR_SESSION_ID_INVALID)) { |
| 4966 | pMsg->sessionId = sessionId; |
| 4967 | } else { |
| 4968 | /* if sessionId == CSR_SESSION_ID_INVALID, then send the scan |
| 4969 | request on first available session */ |
| 4970 | pMsg->sessionId = 0; |
| 4971 | } |
| 4972 | if (pMsg->sessionId >= CSR_ROAM_SESSION_MAX) |
| 4973 | sms_log(pMac, LOGE, FL(" Invalid Sme Session ID = %d"), |
| 4974 | pMsg->sessionId); |
| 4975 | pMsg->transactionId = 0; |
| 4976 | pMsg->dot11mode = (uint8_t) csr_translate_to_wni_cfg_dot11_mode(pMac, |
| 4977 | csr_find_best_phy_mode(pMac, |
| 4978 | pMac->roam.configParam.phyMode)); |
| 4979 | pMsg->bssType = csr_translate_bsstype_to_mac_type(pScanReq->BSSType); |
| 4980 | |
| 4981 | if (CSR_IS_SESSION_VALID(pMac, sessionId)) { |
Anurag Chouhan | c554842 | 2016-02-24 18:33:27 +0530 | [diff] [blame] | 4982 | qdf_copy_macaddr(&selfmac, |
Srinivas Girigowda | 2c6bf00 | 2015-09-24 11:43:31 -0700 | [diff] [blame] | 4983 | &pMac->roam.roamSession[sessionId].selfMacAddr); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4984 | } else { |
| 4985 | /* |
| 4986 | * Since we don't have session for the scanning, we find a valid |
| 4987 | * session. In case we fail to do so, get the WNI_CFG_STA_ID |
| 4988 | */ |
| 4989 | for (i = 0; i < CSR_ROAM_SESSION_MAX; i++) { |
| 4990 | if (CSR_IS_SESSION_VALID(pMac, i)) { |
Anurag Chouhan | c554842 | 2016-02-24 18:33:27 +0530 | [diff] [blame] | 4991 | qdf_copy_macaddr(&selfmac, |
Srinivas Girigowda | 2c6bf00 | 2015-09-24 11:43:31 -0700 | [diff] [blame] | 4992 | &pMac->roam.roamSession[i].selfMacAddr); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4993 | break; |
| 4994 | } |
| 4995 | } |
| 4996 | if (CSR_ROAM_SESSION_MAX == i) { |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 4997 | uint32_t len = QDF_MAC_ADDR_SIZE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4998 | status = wlan_cfg_get_str(pMac, WNI_CFG_STA_ID, |
Srinivas Girigowda | 2c6bf00 | 2015-09-24 11:43:31 -0700 | [diff] [blame] | 4999 | selfmac.bytes, &len); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 5000 | if (!QDF_IS_STATUS_SUCCESS(status) |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 5001 | || (len < QDF_MAC_ADDR_SIZE)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5002 | sms_log(pMac, LOGE, |
| 5003 | FL("Can't get self MAC address = %d"), |
| 5004 | status); |
| 5005 | /* Force failed status */ |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 5006 | status = QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5007 | goto send_scan_req; |
| 5008 | } |
| 5009 | } |
| 5010 | } |
Anurag Chouhan | c554842 | 2016-02-24 18:33:27 +0530 | [diff] [blame] | 5011 | qdf_copy_macaddr(&pMsg->selfMacAddr, &selfmac); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5012 | |
Anurag Chouhan | c554842 | 2016-02-24 18:33:27 +0530 | [diff] [blame] | 5013 | qdf_copy_macaddr(&pMsg->bssId, &pScanReq->bssid); |
| 5014 | if (qdf_is_macaddr_zero(&pScanReq->bssid)) |
| 5015 | qdf_set_macaddr_broadcast(&pMsg->bssId); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5016 | else |
Anurag Chouhan | c554842 | 2016-02-24 18:33:27 +0530 | [diff] [blame] | 5017 | qdf_copy_macaddr(&pMsg->bssId, &pScanReq->bssid); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5018 | minChnTime = pScanReq->minChnTime; |
| 5019 | maxChnTime = pScanReq->maxChnTime; |
| 5020 | |
| 5021 | /* |
| 5022 | * Verify the scan type first, if the scan is active scan, we need to |
| 5023 | * make sure we are allowed to do so. if 11d is enabled & we don't see |
| 5024 | * any beacon around, scan type falls back to passive. But in BT AMP STA |
| 5025 | * mode we need to send out a directed probe |
| 5026 | */ |
| 5027 | if ((eSIR_PASSIVE_SCAN != scanType) |
Sandeep Puligilla | ee029ad | 2015-10-26 18:58:00 -0700 | [diff] [blame] | 5028 | && (eCSR_SCAN_P2P_DISCOVERY != pScanReq->requestType) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5029 | && (false == pMac->scan.fEnableBypass11d)) { |
| 5030 | scanType = pMac->scan.curScanType; |
| 5031 | if (eSIR_PASSIVE_SCAN == pMac->scan.curScanType) { |
| 5032 | if (minChnTime < |
| 5033 | pMac->roam.configParam.nPassiveMinChnTime) { |
| 5034 | minChnTime = |
| 5035 | pMac->roam.configParam.nPassiveMinChnTime; |
| 5036 | } |
| 5037 | if (maxChnTime < |
| 5038 | pMac->roam.configParam.nPassiveMaxChnTime) { |
| 5039 | maxChnTime = |
| 5040 | pMac->roam.configParam.nPassiveMaxChnTime; |
| 5041 | } |
| 5042 | } |
| 5043 | } |
| 5044 | pMsg->scanType = scanType; |
Gupta, Kapil | 96c7f2f | 2016-04-25 19:13:41 +0530 | [diff] [blame] | 5045 | pMsg->scan_adaptive_dwell_mode = pScanReq->scan_adaptive_dwell_mode; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5046 | |
| 5047 | pMsg->numSsid = (pScanReq->SSIDs.numOfSSIDs < SIR_SCAN_MAX_NUM_SSID) ? |
| 5048 | pScanReq->SSIDs.numOfSSIDs : SIR_SCAN_MAX_NUM_SSID; |
| 5049 | if ((pScanReq->SSIDs.numOfSSIDs != 0) |
| 5050 | && (eSIR_PASSIVE_SCAN != scanType)) { |
| 5051 | for (i = 0; i < pMsg->numSsid; i++) { |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 5052 | qdf_mem_copy(&pMsg->ssId[i], |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5053 | &pScanReq->SSIDs.SSIDList[i].SSID, |
| 5054 | sizeof(tSirMacSSid)); |
| 5055 | } |
| 5056 | } else { |
| 5057 | /* Otherwise we scan all SSID and let the result filter later */ |
| 5058 | for (i = 0; i < SIR_SCAN_MAX_NUM_SSID; i++) |
| 5059 | pMsg->ssId[i].length = 0; |
| 5060 | } |
| 5061 | |
| 5062 | pMsg->minChannelTime = minChnTime; |
| 5063 | pMsg->maxChannelTime = maxChnTime; |
| 5064 | /* hidden SSID option */ |
| 5065 | pMsg->hiddenSsid = pScanReqParam->hiddenSsid; |
Agrawal Ashish | 17bb390 | 2016-05-05 13:29:40 +0530 | [diff] [blame] | 5066 | /* maximum rest time */ |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5067 | pMsg->restTime = pScanReq->restTime; |
Agrawal Ashish | 17bb390 | 2016-05-05 13:29:40 +0530 | [diff] [blame] | 5068 | /* Minimum rest time */ |
| 5069 | pMsg->min_rest_time = pScanReq->min_rest_time; |
| 5070 | /* Idle time */ |
| 5071 | pMsg->idle_time = pScanReq->idle_time; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5072 | pMsg->returnAfterFirstMatch = pScanReqParam->bReturnAfter1stMatch; |
| 5073 | /* All the scan results caching will be done by Roaming */ |
| 5074 | /* We do not want LIM to do any caching of scan results, */ |
| 5075 | /* so delete the LIM cache on all scan requests */ |
| 5076 | pMsg->returnFreshResults = pScanReqParam->freshScan; |
| 5077 | /* Always ask for unique result */ |
| 5078 | pMsg->returnUniqueResults = pScanReqParam->fUniqueResult; |
| 5079 | pMsg->channelList.numChannels = |
| 5080 | (uint8_t) pScanReq->ChannelInfo.numOfChannels; |
| 5081 | if (pScanReq->ChannelInfo.numOfChannels) { |
| 5082 | /* Assuming the channelNumber is uint8_t (1 byte) */ |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 5083 | qdf_mem_copy(pMsg->channelList.channelNumber, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5084 | pScanReq->ChannelInfo.ChannelList, |
| 5085 | pScanReq->ChannelInfo.numOfChannels); |
| 5086 | } |
| 5087 | |
| 5088 | pMsg->uIEFieldLen = (uint16_t) pScanReq->uIEFieldLen; |
| 5089 | pMsg->uIEFieldOffset = (uint16_t) (sizeof(tSirSmeScanReq) - |
| 5090 | sizeof(pMsg->channelList.channelNumber) + |
| 5091 | (sizeof(pMsg->channelList.channelNumber) * |
| 5092 | pScanReq->ChannelInfo.numOfChannels)); |
| 5093 | if (pScanReq->uIEFieldLen != 0) { |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 5094 | qdf_mem_copy((uint8_t *) pMsg + pMsg->uIEFieldOffset, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5095 | pScanReq->pIEField, pScanReq->uIEFieldLen); |
| 5096 | } |
| 5097 | pMsg->p2pSearch = pScanReq->p2pSearch; |
| 5098 | pMsg->scan_id = pScanReq->scan_id; |
| 5099 | |
| 5100 | send_scan_req: |
| 5101 | sms_log(pMac, LOG1, |
Sreelakshmi Konamki | 39acb13 | 2015-12-16 13:06:22 +0530 | [diff] [blame] | 5102 | FL("scanId %d domainIdCurrent %d scanType %s (%d) bssType %s (%d) requestType %s (%d) numChannels %d"), |
| 5103 | pMsg->scan_id, pMac->scan.domainIdCurrent, |
Rajeev Kumar | 43e25b1 | 2016-04-15 16:26:36 -0700 | [diff] [blame] | 5104 | sme_scan_type_to_string(pMsg->scanType), pMsg->scanType, |
| 5105 | sme_bss_type_to_string(pMsg->bssType), pMsg->bssType, |
Sreelakshmi Konamki | 39acb13 | 2015-12-16 13:06:22 +0530 | [diff] [blame] | 5106 | sme_request_type_to_string(pScanReq->requestType), |
| 5107 | pScanReq->requestType, pMsg->channelList.numChannels); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5108 | |
| 5109 | for (i = 0; i < pMsg->channelList.numChannels; i++) { |
Abhishek Singh | 23edd1c | 2016-05-05 11:56:06 +0530 | [diff] [blame] | 5110 | sms_log(pMac, LOG2, FL("channelNumber[%d]= %d"), i, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5111 | pMsg->channelList.channelNumber[i]); |
| 5112 | } |
| 5113 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 5114 | if (QDF_IS_STATUS_SUCCESS(status)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5115 | status = cds_send_mb_message_to_mac(pMsg); |
| 5116 | } else { |
| 5117 | sms_log(pMac, LOGE, |
| 5118 | FL("failed to send down scan req with status = %d"), |
| 5119 | status); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 5120 | qdf_mem_free(pMsg); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5121 | } |
| 5122 | return status; |
| 5123 | } |
| 5124 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 5125 | QDF_STATUS csr_send_mb_scan_result_req(tpAniSirGlobal pMac, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5126 | uint32_t sessionId, |
| 5127 | tScanReqParam *pScanReqParam) |
| 5128 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 5129 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5130 | tSirSmeScanReq *pMsg; |
| 5131 | uint16_t msgLen; |
| 5132 | |
| 5133 | msgLen = (uint16_t) (sizeof(tSirSmeScanReq)); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 5134 | pMsg = qdf_mem_malloc(msgLen); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5135 | if (NULL == pMsg) |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 5136 | return QDF_STATUS_E_NOMEM; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5137 | |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 5138 | qdf_mem_set(pMsg, msgLen, 0); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5139 | pMsg->messageType = eWNI_SME_SCAN_REQ; |
| 5140 | pMsg->length = msgLen; |
| 5141 | pMsg->sessionId = sessionId; |
| 5142 | pMsg->transactionId = 0; |
| 5143 | pMsg->returnFreshResults = pScanReqParam->freshScan; |
| 5144 | /* Always ask for unique result */ |
| 5145 | pMsg->returnUniqueResults = pScanReqParam->fUniqueResult; |
| 5146 | pMsg->returnAfterFirstMatch = |
| 5147 | pScanReqParam->bReturnAfter1stMatch; |
| 5148 | status = cds_send_mb_message_to_mac(pMsg); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 5149 | if (!QDF_IS_STATUS_SUCCESS(status)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5150 | sms_log(pMac, LOGE, |
| 5151 | FL("Failed to send down scan req with status = %d\n"), |
| 5152 | status); |
| 5153 | } |
| 5154 | return status; |
| 5155 | } |
| 5156 | |
| 5157 | #ifdef FEATURE_WLAN_DIAG_SUPPORT_CSR |
| 5158 | static void csr_diag_scan_channels(tpAniSirGlobal pMac, tSmeCmd *pCommand) |
| 5159 | { |
| 5160 | host_log_scan_pkt_type *pScanLog = NULL; |
| 5161 | |
| 5162 | WLAN_HOST_DIAG_LOG_ALLOC(pScanLog, |
| 5163 | host_log_scan_pkt_type, |
| 5164 | LOG_WLAN_SCAN_C); |
| 5165 | if (!pScanLog) |
| 5166 | return; |
| 5167 | |
| 5168 | if (eCsrScanProbeBss == pCommand->u.scanCmd.reason) { |
| 5169 | pScanLog->eventId = WLAN_SCAN_EVENT_HO_SCAN_REQ; |
| 5170 | } else { |
| 5171 | if ((eSIR_PASSIVE_SCAN != |
| 5172 | pCommand->u.scanCmd.u.scanRequest.scanType) |
| 5173 | && (eSIR_PASSIVE_SCAN != pMac->scan.curScanType)) { |
| 5174 | pScanLog->eventId = WLAN_SCAN_EVENT_ACTIVE_SCAN_REQ; |
| 5175 | } else { |
| 5176 | pScanLog->eventId = WLAN_SCAN_EVENT_PASSIVE_SCAN_REQ; |
| 5177 | } |
| 5178 | } |
| 5179 | pScanLog->minChnTime = |
| 5180 | (uint8_t) pCommand->u.scanCmd.u.scanRequest.minChnTime; |
| 5181 | pScanLog->maxChnTime = |
| 5182 | (uint8_t) pCommand->u.scanCmd.u.scanRequest.maxChnTime; |
| 5183 | pScanLog->numChannel = |
| 5184 | (uint8_t) pCommand->u.scanCmd.u.scanRequest.ChannelInfo.numOfChannels; |
| 5185 | if (pScanLog->numChannel && |
| 5186 | (pScanLog->numChannel < HOST_LOG_MAX_NUM_CHANNEL)) { |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 5187 | qdf_mem_copy(pScanLog->channels, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5188 | pCommand->u.scanCmd.u.scanRequest.ChannelInfo.ChannelList, |
| 5189 | pScanLog->numChannel); |
| 5190 | } |
| 5191 | WLAN_HOST_DIAG_LOG_REPORT(pScanLog); |
| 5192 | } |
| 5193 | #else |
| 5194 | #define csr_diag_scan_channels(tpAniSirGlobal pMac, tSmeCmd *pCommand) (void)0; |
| 5195 | #endif /* #ifdef FEATURE_WLAN_DIAG_SUPPORT_CSR */ |
| 5196 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 5197 | QDF_STATUS csr_scan_channels(tpAniSirGlobal pMac, tSmeCmd *pCommand) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5198 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 5199 | QDF_STATUS status = QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5200 | tScanReqParam scanReq; |
| 5201 | |
| 5202 | /* |
| 5203 | * Don't delete cached results. Rome rssi based scan candidates may land |
| 5204 | * up in scan cache instead of LFR cache. They will be deleted upon |
| 5205 | * query |
| 5206 | */ |
| 5207 | scanReq.freshScan = SIR_BG_SCAN_RETURN_FRESH_RESULTS; |
| 5208 | scanReq.fUniqueResult = true; |
| 5209 | scanReq.hiddenSsid = SIR_SCAN_NO_HIDDEN_SSID; |
| 5210 | if (eCsrScanForSsid == pCommand->u.scanCmd.reason) { |
| 5211 | scanReq.bReturnAfter1stMatch = |
| 5212 | CSR_SCAN_RETURN_AFTER_FIRST_MATCH; |
| 5213 | } else { |
| 5214 | /* |
| 5215 | * Basically do scan on all channels even for 11D 1st scan case |
| 5216 | */ |
| 5217 | scanReq.bReturnAfter1stMatch = |
| 5218 | CSR_SCAN_RETURN_AFTER_ALL_CHANNELS; |
| 5219 | } |
| 5220 | if (eCsrScanProbeBss == pCommand->u.scanCmd.reason) |
| 5221 | scanReq.hiddenSsid = SIR_SCAN_HIDDEN_SSID_PE_DECISION; |
| 5222 | csr_diag_scan_channels(pMac, pCommand); |
| 5223 | csr_clear_votes_for_country_info(pMac); |
| 5224 | status = csr_send_mb_scan_req(pMac, pCommand->sessionId, |
| 5225 | &pCommand->u.scanCmd.u.scanRequest, |
| 5226 | &scanReq); |
| 5227 | return status; |
| 5228 | } |
| 5229 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 5230 | static QDF_STATUS |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5231 | csr_issue_user_scan(tpAniSirGlobal mac_ctx, tSmeCmd *cmd) |
| 5232 | { |
| 5233 | int i, j; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 5234 | QDF_STATUS status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5235 | uint32_t len = 0; |
| 5236 | uint8_t *ch_lst = NULL; |
| 5237 | tCsrChannelInfo new_ch_info = { 0, NULL }; |
| 5238 | |
| 5239 | if (!mac_ctx->roam.configParam.fScanTwice) |
| 5240 | return csr_scan_channels(mac_ctx, cmd); |
| 5241 | |
| 5242 | /* We scan 2.4 channel twice */ |
| 5243 | if (cmd->u.scanCmd.u.scanRequest.ChannelInfo.numOfChannels |
| 5244 | && (NULL != cmd->u.scanCmd.u.scanRequest.ChannelInfo.ChannelList)) { |
| 5245 | len = cmd->u.scanCmd.u.scanRequest.ChannelInfo.numOfChannels; |
| 5246 | /* allocate twice the channel */ |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 5247 | new_ch_info.ChannelList = (uint8_t *) qdf_mem_malloc(len * 2); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5248 | ch_lst = cmd->u.scanCmd.u.scanRequest.ChannelInfo.ChannelList; |
| 5249 | } else { |
| 5250 | /* get the valid channel list to scan all. */ |
| 5251 | len = sizeof(mac_ctx->roam.validChannelList); |
| 5252 | status = csr_get_cfg_valid_channels(mac_ctx, |
| 5253 | (uint8_t *) mac_ctx->roam.validChannelList, &len); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 5254 | if (QDF_IS_STATUS_SUCCESS(status)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5255 | /* allocate twice the channel */ |
| 5256 | new_ch_info.ChannelList = |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 5257 | (uint8_t *) qdf_mem_malloc(len * 2); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5258 | ch_lst = mac_ctx->roam.validChannelList; |
| 5259 | } |
| 5260 | } |
| 5261 | if (NULL == new_ch_info.ChannelList) { |
| 5262 | new_ch_info.numOfChannels = 0; |
| 5263 | } else { |
| 5264 | j = 0; |
| 5265 | for (i = 0; i < len; i++) { |
| 5266 | new_ch_info.ChannelList[j++] = ch_lst[i]; |
Amar Singhal | 7a1726a | 2015-10-14 16:28:11 -0700 | [diff] [blame] | 5267 | if (CDS_MAX_24GHZ_CHANNEL_NUMBER >= ch_lst[i]) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5268 | new_ch_info.ChannelList[j++] = ch_lst[i]; |
| 5269 | } |
| 5270 | if (NULL != |
| 5271 | cmd->u.scanCmd.u.scanRequest.ChannelInfo.ChannelList) { |
| 5272 | /* |
| 5273 | * ch_lst points to the channellist from the command, |
| 5274 | * free it. |
| 5275 | */ |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 5276 | qdf_mem_free( |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5277 | cmd->u.scanCmd.u.scanRequest.ChannelInfo.ChannelList); |
| 5278 | cmd->u.scanCmd.u.scanRequest.ChannelInfo.ChannelList = |
| 5279 | NULL; |
| 5280 | } |
| 5281 | cmd->u.scanCmd.u.scanRequest.ChannelInfo.numOfChannels = j; |
| 5282 | cmd->u.scanCmd.u.scanRequest.ChannelInfo.ChannelList = |
| 5283 | new_ch_info.ChannelList; |
| 5284 | } |
| 5285 | |
| 5286 | return csr_scan_channels(mac_ctx, cmd); |
| 5287 | } |
| 5288 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 5289 | QDF_STATUS csr_process_scan_command(tpAniSirGlobal pMac, tSmeCmd *pCommand) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5290 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 5291 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5292 | |
| 5293 | sms_log(pMac, LOG3, |
| 5294 | FL("starting SCAN cmd in %d state. reason %d"), |
| 5295 | pCommand->u.scanCmd.lastRoamState[pCommand->sessionId], |
| 5296 | pCommand->u.scanCmd.reason); |
| 5297 | |
| 5298 | switch (pCommand->u.scanCmd.reason) { |
| 5299 | case eCsrScanUserRequest: |
| 5300 | status = csr_issue_user_scan(pMac, pCommand); |
| 5301 | break; |
| 5302 | default: |
| 5303 | status = csr_scan_channels(pMac, pCommand); |
| 5304 | break; |
| 5305 | } |
| 5306 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 5307 | if (!QDF_IS_STATUS_SUCCESS(status)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5308 | csr_release_scan_command(pMac, pCommand, eCSR_SCAN_FAILURE); |
| 5309 | } |
| 5310 | |
| 5311 | return status; |
| 5312 | } |
| 5313 | |
| 5314 | /** |
| 5315 | * csr_scan_copy_request_valid_channels_only() - scan request of valid channels |
| 5316 | * @mac_ctx : pointer to Global Mac Structure |
| 5317 | * @dst_req: pointer to tCsrScanRequest |
| 5318 | * @skip_dfs_chnl: 1 - skip dfs channel, 0 - don't skip dfs channel |
| 5319 | * @src_req: pointer to tCsrScanRequest |
| 5320 | * |
| 5321 | * This function makes a copy of scan request with valid channels |
| 5322 | * |
| 5323 | * Return: none |
| 5324 | */ |
| 5325 | static void csr_scan_copy_request_valid_channels_only(tpAniSirGlobal mac_ctx, |
| 5326 | tCsrScanRequest *dst_req, uint8_t skip_dfs_chnl, |
| 5327 | tCsrScanRequest *src_req) |
| 5328 | { |
| 5329 | uint32_t index = 0; |
| 5330 | uint32_t new_index = 0; |
| 5331 | |
| 5332 | for (index = 0; index < src_req->ChannelInfo.numOfChannels; index++) { |
| 5333 | /* Allow scan on valid channels only. |
| 5334 | * If it is p2p scan and valid channel list doesnt contain |
| 5335 | * social channels, enforce scan on social channels because |
| 5336 | * that is the only way to find p2p peers. |
| 5337 | * This can happen only if band is set to 5Ghz mode. |
| 5338 | */ |
Amar Singhal | 7a1726a | 2015-10-14 16:28:11 -0700 | [diff] [blame] | 5339 | if (src_req->ChannelInfo.ChannelList[index] < |
| 5340 | CDS_MIN_11P_CHANNEL && |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5341 | ((csr_roam_is_valid_channel(mac_ctx, |
| 5342 | src_req->ChannelInfo.ChannelList[index])) || |
| 5343 | ((eCSR_SCAN_P2P_DISCOVERY == src_req->requestType) && |
| 5344 | CSR_IS_SOCIAL_CHANNEL( |
| 5345 | src_req->ChannelInfo.ChannelList[index])))) { |
| 5346 | if (((src_req->skipDfsChnlInP2pSearch || skip_dfs_chnl) |
| 5347 | && (CHANNEL_STATE_DFS == |
| 5348 | cds_get_channel_state(src_req-> |
| 5349 | ChannelInfo. |
| 5350 | ChannelList |
| 5351 | [index]))) |
| 5352 | ) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5353 | sms_log(mac_ctx, LOG2, |
Sreelakshmi Konamki | 39acb13 | 2015-12-16 13:06:22 +0530 | [diff] [blame] | 5354 | FL(" reqType= %s (%d), numOfChannels=%d, ignoring DFS channel %d"), |
| 5355 | sme_request_type_to_string( |
| 5356 | src_req->requestType), |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5357 | src_req->requestType, |
| 5358 | src_req->ChannelInfo.numOfChannels, |
| 5359 | src_req->ChannelInfo.ChannelList |
| 5360 | [index]); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5361 | continue; |
| 5362 | } |
| 5363 | |
| 5364 | dst_req->ChannelInfo.ChannelList[new_index] = |
| 5365 | src_req->ChannelInfo.ChannelList[index]; |
| 5366 | new_index++; |
| 5367 | } |
| 5368 | } |
| 5369 | dst_req->ChannelInfo.numOfChannels = new_index; |
| 5370 | } |
| 5371 | |
| 5372 | /** |
Krunal Soni | 80aabd4 | 2015-12-21 12:17:16 -0800 | [diff] [blame] | 5373 | * csr_scan_filter_ibss_chnl_band() - filter all channels which matches IBSS |
| 5374 | * channel's band |
| 5375 | * @mac_ctx: pointer to mac context |
| 5376 | * @ibss_channel: Given IBSS channel |
| 5377 | * @dst_req: destination scan request |
| 5378 | * |
| 5379 | * when ever IBSS connection already exist, STA should not scan the channels |
| 5380 | * which fall under same band as IBSS channel's band. this routine will filter |
| 5381 | * out those channels |
| 5382 | * |
| 5383 | * Return: true if success otherwise false for any failure |
| 5384 | */ |
| 5385 | static bool csr_scan_filter_ibss_chnl_band(tpAniSirGlobal mac_ctx, |
| 5386 | uint8_t ibss_channel, tCsrScanRequest *dst_req) { |
| 5387 | uint8_t valid_chnl_list[WNI_CFG_VALID_CHANNEL_LIST_LEN] = {0}; |
Krunal Soni | 80aabd4 | 2015-12-21 12:17:16 -0800 | [diff] [blame] | 5388 | uint32_t filter_chnl_len = 0, i = 0; |
| 5389 | uint32_t valid_chnl_len = WNI_CFG_VALID_CHANNEL_LIST_LEN; |
| 5390 | |
| 5391 | if (ibss_channel == 0) { |
| 5392 | sms_log(mac_ctx, LOG1, |
| 5393 | FL("Nothing to filter as no IBSS session")); |
| 5394 | return true; |
| 5395 | } |
| 5396 | |
| 5397 | if (!dst_req) { |
| 5398 | sms_log(mac_ctx, LOGE, |
| 5399 | FL("No valid scan requests")); |
| 5400 | return false; |
| 5401 | } |
| 5402 | /* |
| 5403 | * In case of concurrent IBSS session exist, scan only |
| 5404 | * those channels which are not in IBSS channel's band. |
| 5405 | * In case if no-concurrent IBSS session exist then scan |
| 5406 | * full band |
| 5407 | */ |
| 5408 | if ((dst_req->ChannelInfo.numOfChannels == 0)) { |
| 5409 | csr_get_cfg_valid_channels(mac_ctx, valid_chnl_list, |
| 5410 | &valid_chnl_len); |
| 5411 | } else { |
| 5412 | valid_chnl_len = (WNI_CFG_VALID_CHANNEL_LIST_LEN > |
| 5413 | dst_req->ChannelInfo.numOfChannels) ? |
| 5414 | dst_req->ChannelInfo.numOfChannels : |
| 5415 | WNI_CFG_VALID_CHANNEL_LIST_LEN; |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 5416 | qdf_mem_copy(valid_chnl_list, dst_req->ChannelInfo.ChannelList, |
Krunal Soni | 80aabd4 | 2015-12-21 12:17:16 -0800 | [diff] [blame] | 5417 | valid_chnl_len); |
| 5418 | } |
| 5419 | for (i = 0; i < valid_chnl_len; i++) { |
| 5420 | /* |
| 5421 | * Don't allow DSRC channel when IBSS concurrent connection |
| 5422 | * is up |
| 5423 | */ |
Amar Singhal | 7a1726a | 2015-10-14 16:28:11 -0700 | [diff] [blame] | 5424 | if (valid_chnl_list[i] >= CDS_MIN_11P_CHANNEL) |
Krunal Soni | 80aabd4 | 2015-12-21 12:17:16 -0800 | [diff] [blame] | 5425 | continue; |
| 5426 | if (CDS_IS_CHANNEL_5GHZ(ibss_channel) && |
| 5427 | CDS_IS_CHANNEL_24GHZ(valid_chnl_list[i])) { |
Krunal Soni | 03a882b | 2016-01-13 15:59:52 -0800 | [diff] [blame] | 5428 | valid_chnl_list[filter_chnl_len] = |
Krunal Soni | 80aabd4 | 2015-12-21 12:17:16 -0800 | [diff] [blame] | 5429 | valid_chnl_list[i]; |
| 5430 | filter_chnl_len++; |
| 5431 | } else if (CDS_IS_CHANNEL_24GHZ(ibss_channel) && |
| 5432 | CDS_IS_CHANNEL_5GHZ(valid_chnl_list[i])) { |
Krunal Soni | 03a882b | 2016-01-13 15:59:52 -0800 | [diff] [blame] | 5433 | valid_chnl_list[filter_chnl_len] = |
Krunal Soni | 80aabd4 | 2015-12-21 12:17:16 -0800 | [diff] [blame] | 5434 | valid_chnl_list[i]; |
| 5435 | filter_chnl_len++; |
| 5436 | } |
| 5437 | } |
| 5438 | if (filter_chnl_len == 0) { |
| 5439 | sms_log(mac_ctx, LOGE, |
| 5440 | FL("there no channels to scan due to IBSS session")); |
| 5441 | return false; |
| 5442 | } |
| 5443 | |
| 5444 | if (dst_req->ChannelInfo.ChannelList) { |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 5445 | qdf_mem_free(dst_req->ChannelInfo.ChannelList); |
Krunal Soni | 80aabd4 | 2015-12-21 12:17:16 -0800 | [diff] [blame] | 5446 | dst_req->ChannelInfo.ChannelList = NULL; |
| 5447 | dst_req->ChannelInfo.numOfChannels = 0; |
| 5448 | } |
| 5449 | |
| 5450 | dst_req->ChannelInfo.ChannelList = |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 5451 | qdf_mem_malloc(filter_chnl_len * |
Krunal Soni | 80aabd4 | 2015-12-21 12:17:16 -0800 | [diff] [blame] | 5452 | sizeof(*dst_req->ChannelInfo.ChannelList)); |
| 5453 | dst_req->ChannelInfo.numOfChannels = filter_chnl_len; |
| 5454 | if (NULL == dst_req->ChannelInfo.ChannelList) { |
| 5455 | sms_log(mac_ctx, LOGE, |
| 5456 | FL("Memory allocation failed")); |
| 5457 | return false; |
| 5458 | } |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 5459 | qdf_mem_copy(dst_req->ChannelInfo.ChannelList, valid_chnl_list, |
Krunal Soni | 80aabd4 | 2015-12-21 12:17:16 -0800 | [diff] [blame] | 5460 | filter_chnl_len); |
| 5461 | return true; |
| 5462 | } |
| 5463 | |
| 5464 | /** |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5465 | * csr_scan_copy_request() - Function to copy scan request |
| 5466 | * @mac_ctx : pointer to Global Mac Structure |
| 5467 | * @dst_req: pointer to tCsrScanRequest |
| 5468 | * @src_req: pointer to tCsrScanRequest |
| 5469 | * |
| 5470 | * This function makes a copy of scan request |
| 5471 | * |
| 5472 | * Return: 0 - Success, Error number - Failure |
| 5473 | */ |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 5474 | QDF_STATUS csr_scan_copy_request(tpAniSirGlobal mac_ctx, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5475 | tCsrScanRequest *dst_req, |
| 5476 | tCsrScanRequest *src_req) |
| 5477 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 5478 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5479 | uint32_t len = sizeof(mac_ctx->roam.validChannelList); |
| 5480 | uint32_t index = 0; |
| 5481 | uint32_t new_index = 0; |
Amar Singhal | a297bfa | 2015-10-15 15:07:29 -0700 | [diff] [blame] | 5482 | enum channel_state channel_state; |
Krunal Soni | 80aabd4 | 2015-12-21 12:17:16 -0800 | [diff] [blame] | 5483 | uint8_t ibss_channel = 0; |
Amar Singhal | a297bfa | 2015-10-15 15:07:29 -0700 | [diff] [blame] | 5484 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5485 | bool skip_dfs_chnl = |
| 5486 | mac_ctx->roam.configParam.initial_scan_no_dfs_chnl || |
| 5487 | !mac_ctx->scan.fEnableDFSChnlScan; |
| 5488 | |
| 5489 | status = csr_scan_free_request(mac_ctx, dst_req); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 5490 | if (!QDF_IS_STATUS_SUCCESS(status)) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5491 | goto complete; |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 5492 | qdf_mem_copy(dst_req, src_req, sizeof(tCsrScanRequest)); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5493 | /* Re-initialize the pointers to NULL since we did a copy */ |
| 5494 | dst_req->pIEField = NULL; |
| 5495 | dst_req->ChannelInfo.ChannelList = NULL; |
| 5496 | dst_req->SSIDs.SSIDList = NULL; |
| 5497 | |
| 5498 | if (src_req->uIEFieldLen) { |
| 5499 | dst_req->pIEField = |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 5500 | qdf_mem_malloc(src_req->uIEFieldLen); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5501 | if (NULL == dst_req->pIEField) { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 5502 | status = QDF_STATUS_E_NOMEM; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5503 | sms_log(mac_ctx, LOGE, |
| 5504 | FL("No memory for scanning IE fields")); |
| 5505 | goto complete; |
| 5506 | } else { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 5507 | status = QDF_STATUS_SUCCESS; |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 5508 | qdf_mem_copy(dst_req->pIEField, src_req->pIEField, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5509 | src_req->uIEFieldLen); |
| 5510 | dst_req->uIEFieldLen = src_req->uIEFieldLen; |
| 5511 | } |
| 5512 | } |
| 5513 | |
| 5514 | /* Allocate memory for IE field */ |
| 5515 | if (src_req->ChannelInfo.numOfChannels == 0) { |
| 5516 | dst_req->ChannelInfo.ChannelList = NULL; |
| 5517 | dst_req->ChannelInfo.numOfChannels = 0; |
| 5518 | } else { |
| 5519 | dst_req->ChannelInfo.ChannelList = |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 5520 | qdf_mem_malloc(src_req->ChannelInfo.numOfChannels * |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5521 | sizeof(*dst_req->ChannelInfo.ChannelList)); |
| 5522 | if (NULL == dst_req->ChannelInfo.ChannelList) { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 5523 | status = QDF_STATUS_E_NOMEM; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5524 | dst_req->ChannelInfo.numOfChannels = 0; |
| 5525 | sms_log(mac_ctx, LOGE, |
| 5526 | FL("No memory for scanning Channel List")); |
| 5527 | goto complete; |
| 5528 | } |
| 5529 | |
| 5530 | if ((src_req->scanType == eSIR_PASSIVE_SCAN) && |
| 5531 | (src_req->requestType == eCSR_SCAN_REQUEST_11D_SCAN)) { |
| 5532 | for (index = 0; index < src_req->ChannelInfo. |
| 5533 | numOfChannels; index++) { |
| 5534 | channel_state = |
| 5535 | cds_get_channel_state(src_req-> |
| 5536 | ChannelInfo. |
| 5537 | ChannelList[index]); |
| 5538 | if (src_req->ChannelInfo.ChannelList[index] < |
Amar Singhal | 7a1726a | 2015-10-14 16:28:11 -0700 | [diff] [blame] | 5539 | CDS_MIN_11P_CHANNEL && |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5540 | ((CHANNEL_STATE_ENABLE == |
| 5541 | channel_state) || |
| 5542 | ((CHANNEL_STATE_DFS == channel_state) && |
| 5543 | !skip_dfs_chnl))) { |
| 5544 | dst_req->ChannelInfo.ChannelList |
| 5545 | [new_index] = |
| 5546 | src_req-> |
| 5547 | ChannelInfo. |
| 5548 | ChannelList |
| 5549 | [index]; |
| 5550 | new_index++; |
| 5551 | } |
| 5552 | } |
| 5553 | dst_req->ChannelInfo.numOfChannels = new_index; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 5554 | } else if (QDF_IS_STATUS_SUCCESS( |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5555 | csr_get_cfg_valid_channels(mac_ctx, |
| 5556 | mac_ctx->roam.validChannelList, |
| 5557 | &len))) { |
| 5558 | new_index = 0; |
| 5559 | mac_ctx->roam.numValidChannels = len; |
| 5560 | csr_scan_copy_request_valid_channels_only(mac_ctx, |
| 5561 | dst_req, skip_dfs_chnl, |
| 5562 | src_req); |
| 5563 | } else { |
| 5564 | sms_log(mac_ctx, LOGE, |
| 5565 | FL("Couldn't get the valid Channel List, keeping requester's list")); |
| 5566 | new_index = 0; |
| 5567 | for (index = 0; index < src_req->ChannelInfo. |
| 5568 | numOfChannels; index++) { |
| 5569 | if (src_req->ChannelInfo.ChannelList[index] < |
Amar Singhal | 7a1726a | 2015-10-14 16:28:11 -0700 | [diff] [blame] | 5570 | CDS_MIN_11P_CHANNEL) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5571 | dst_req->ChannelInfo. |
| 5572 | ChannelList[new_index] = |
| 5573 | src_req->ChannelInfo. |
| 5574 | ChannelList[index]; |
| 5575 | new_index++; |
| 5576 | } |
| 5577 | } |
| 5578 | dst_req->ChannelInfo.numOfChannels = |
| 5579 | new_index; |
| 5580 | } |
| 5581 | } /* Allocate memory for Channel List */ |
Krunal Soni | 80aabd4 | 2015-12-21 12:17:16 -0800 | [diff] [blame] | 5582 | |
| 5583 | /* |
| 5584 | * If IBSS concurrent connection exist, and if the scan |
| 5585 | * request comes from STA adapter then we need to filter |
| 5586 | * out IBSS channel's band otherwise it will cause issue |
| 5587 | * in IBSS+STA concurrency |
| 5588 | */ |
Tushnim Bhattacharyya | ca50b32 | 2015-12-28 17:14:36 -0800 | [diff] [blame] | 5589 | if (true == cds_is_ibss_conn_exist(&ibss_channel)) { |
Krunal Soni | 80aabd4 | 2015-12-21 12:17:16 -0800 | [diff] [blame] | 5590 | sms_log(mac_ctx, LOG1, |
| 5591 | FL("Conc IBSS exist, channel list will be modified")); |
| 5592 | } |
| 5593 | |
| 5594 | if ((ibss_channel > 0) && |
| 5595 | (false == csr_scan_filter_ibss_chnl_band(mac_ctx, |
| 5596 | ibss_channel, dst_req))) { |
| 5597 | sms_log(mac_ctx, LOGE, |
| 5598 | FL("Can't filter channels due to IBSS")); |
| 5599 | goto complete; |
| 5600 | } |
| 5601 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5602 | if (src_req->SSIDs.numOfSSIDs == 0) { |
| 5603 | dst_req->SSIDs.numOfSSIDs = 0; |
| 5604 | dst_req->SSIDs.SSIDList = NULL; |
| 5605 | } else { |
| 5606 | dst_req->SSIDs.SSIDList = |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 5607 | qdf_mem_malloc(src_req->SSIDs.numOfSSIDs * |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5608 | sizeof(*dst_req->SSIDs.SSIDList)); |
| 5609 | if (NULL == dst_req->SSIDs.SSIDList) |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 5610 | status = QDF_STATUS_E_NOMEM; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5611 | else |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 5612 | status = QDF_STATUS_SUCCESS; |
| 5613 | if (QDF_IS_STATUS_SUCCESS(status)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5614 | dst_req->SSIDs.numOfSSIDs = |
| 5615 | src_req->SSIDs.numOfSSIDs; |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 5616 | qdf_mem_copy(dst_req->SSIDs.SSIDList, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5617 | src_req->SSIDs.SSIDList, |
| 5618 | src_req->SSIDs.numOfSSIDs * |
| 5619 | sizeof(*dst_req->SSIDs.SSIDList)); |
| 5620 | } else { |
| 5621 | dst_req->SSIDs.numOfSSIDs = 0; |
| 5622 | sms_log(mac_ctx, LOGE, |
| 5623 | FL("No memory for scanning SSID List")); |
| 5624 | goto complete; |
| 5625 | } |
| 5626 | } /* Allocate memory for SSID List */ |
| 5627 | dst_req->p2pSearch = src_req->p2pSearch; |
| 5628 | dst_req->skipDfsChnlInP2pSearch = |
| 5629 | src_req->skipDfsChnlInP2pSearch; |
| 5630 | dst_req->scan_id = src_req->scan_id; |
| 5631 | dst_req->timestamp = src_req->timestamp; |
| 5632 | |
| 5633 | complete: |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 5634 | if (!QDF_IS_STATUS_SUCCESS(status)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5635 | csr_scan_free_request(mac_ctx, dst_req); |
| 5636 | } |
| 5637 | |
| 5638 | return status; |
| 5639 | } |
| 5640 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 5641 | QDF_STATUS csr_scan_free_request(tpAniSirGlobal pMac, tCsrScanRequest *pReq) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5642 | { |
| 5643 | |
| 5644 | if (pReq->ChannelInfo.ChannelList) { |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 5645 | qdf_mem_free(pReq->ChannelInfo.ChannelList); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5646 | pReq->ChannelInfo.ChannelList = NULL; |
| 5647 | } |
| 5648 | pReq->ChannelInfo.numOfChannels = 0; |
| 5649 | if (pReq->pIEField) { |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 5650 | qdf_mem_free(pReq->pIEField); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5651 | pReq->pIEField = NULL; |
| 5652 | } |
| 5653 | pReq->uIEFieldLen = 0; |
| 5654 | if (pReq->SSIDs.SSIDList) { |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 5655 | qdf_mem_free(pReq->SSIDs.SSIDList); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5656 | pReq->SSIDs.SSIDList = NULL; |
| 5657 | } |
| 5658 | pReq->SSIDs.numOfSSIDs = 0; |
| 5659 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 5660 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5661 | } |
| 5662 | |
| 5663 | void csr_scan_call_callback(tpAniSirGlobal pMac, tSmeCmd *pCommand, |
| 5664 | eCsrScanStatus scanStatus) |
| 5665 | { |
| 5666 | if (pCommand->u.scanCmd.callback) { |
| 5667 | pCommand->u.scanCmd.callback(pMac, pCommand->u.scanCmd.pContext, |
| 5668 | pCommand->sessionId, |
| 5669 | pCommand->u.scanCmd.scanID, |
| 5670 | scanStatus); |
| 5671 | } else { |
| 5672 | sms_log(pMac, LOG2, "%s:%d - Callback NULL!!!", __func__, |
| 5673 | __LINE__); |
| 5674 | } |
| 5675 | } |
| 5676 | |
| 5677 | void csr_scan_stop_timers(tpAniSirGlobal pMac) |
| 5678 | { |
| 5679 | if (0 != pMac->scan.scanResultCfgAgingTime) { |
| 5680 | csr_scan_stop_result_cfg_aging_timer(pMac); |
| 5681 | } |
| 5682 | |
| 5683 | } |
| 5684 | |
| 5685 | #ifdef WLAN_AP_STA_CONCURRENCY |
| 5686 | /** |
| 5687 | * csr_sta_ap_conc_timer_handler - Function to handle STA,AP concurrency timer |
| 5688 | * @pv: pointer variable |
| 5689 | * |
| 5690 | * Function handles STA,AP concurrency timer |
| 5691 | * |
| 5692 | * Return: none |
| 5693 | */ |
| 5694 | static void csr_sta_ap_conc_timer_handler(void *pv) |
| 5695 | { |
| 5696 | tpAniSirGlobal mac_ctx = PMAC_STRUCT(pv); |
| 5697 | tListElem *entry; |
| 5698 | tSmeCmd *scan_cmd; |
| 5699 | uint32_t session_id = CSR_SESSION_ID_INVALID; |
| 5700 | tCsrScanRequest scan_req; |
| 5701 | tSmeCmd *send_scancmd = NULL; |
| 5702 | uint8_t num_chn = 0; |
| 5703 | uint8_t numchan_combinedconc = 0; |
| 5704 | uint8_t i, j; |
| 5705 | tCsrChannelInfo *chn_info = NULL; |
| 5706 | uint8_t channel_to_scan[WNI_CFG_VALID_CHANNEL_LIST_LEN]; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 5707 | QDF_STATUS status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5708 | |
| 5709 | csr_ll_lock(&mac_ctx->scan.scanCmdPendingList); |
| 5710 | |
| 5711 | entry = csr_ll_peek_head(&mac_ctx->scan.scanCmdPendingList, |
| 5712 | LL_ACCESS_NOLOCK); |
| 5713 | |
| 5714 | if (NULL == entry) { |
| 5715 | csr_ll_unlock(&mac_ctx->scan.scanCmdPendingList); |
| 5716 | return; |
| 5717 | } |
| 5718 | |
| 5719 | |
| 5720 | chn_info = &scan_req.ChannelInfo; |
| 5721 | scan_cmd = GET_BASE_ADDR(entry, tSmeCmd, Link); |
| 5722 | num_chn = |
| 5723 | scan_cmd->u.scanCmd.u.scanRequest.ChannelInfo.numOfChannels; |
| 5724 | session_id = scan_cmd->sessionId; |
| 5725 | |
| 5726 | /* |
| 5727 | * if any session is connected and the number of channels to scan is |
| 5728 | * greater than 1 then split the scan into multiple scan operations |
| 5729 | * on each individual channel else continue to perform scan on all |
| 5730 | * specified channels */ |
| 5731 | |
| 5732 | /* |
| 5733 | * split scan if number of channels to scan is greater than 1 and |
| 5734 | * any one of the following: |
| 5735 | * - STA session is connected and the scan is not a P2P search |
| 5736 | * - any P2P session is connected |
| 5737 | * Do not split scans if no concurrent infra connections are |
| 5738 | * active and if the scan is a BG scan triggered by LFR (OR) |
| 5739 | * any scan if LFR is in the middle of a BG scan. Splitting |
| 5740 | * the scan is delaying the time it takes for LFR to find |
| 5741 | * candidates and resulting in disconnects. |
| 5742 | */ |
| 5743 | |
| 5744 | if ((csr_is_sta_session_connected(mac_ctx) && |
| 5745 | !csr_is_p2p_session_connected(mac_ctx))) |
| 5746 | numchan_combinedconc = |
| 5747 | mac_ctx->roam.configParam.nNumStaChanCombinedConc; |
| 5748 | else if (csr_is_p2p_session_connected(mac_ctx)) |
| 5749 | numchan_combinedconc = |
| 5750 | mac_ctx->roam.configParam.nNumP2PChanCombinedConc; |
| 5751 | |
| 5752 | if ((num_chn > numchan_combinedconc) && |
| 5753 | ((csr_is_sta_session_connected(mac_ctx) && |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5754 | (csr_is_concurrent_infra_connected(mac_ctx)) && |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5755 | (scan_cmd->u.scanCmd.u.scanRequest.p2pSearch != 1)) || |
| 5756 | (csr_is_p2p_session_connected(mac_ctx)))) { |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 5757 | qdf_mem_set(&scan_req, sizeof(tCsrScanRequest), 0); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5758 | |
| 5759 | /* optimize this to use 2 command buffer only */ |
| 5760 | send_scancmd = csr_get_command_buffer(mac_ctx); |
| 5761 | if (!send_scancmd) { |
| 5762 | sms_log(mac_ctx, LOGE, |
| 5763 | FL(" Failed to get Queue command buffer")); |
| 5764 | csr_ll_unlock(&mac_ctx->scan.scanCmdPendingList); |
| 5765 | return; |
| 5766 | } |
| 5767 | send_scancmd->command = scan_cmd->command; |
| 5768 | send_scancmd->sessionId = scan_cmd->sessionId; |
| 5769 | send_scancmd->u.scanCmd.callback = NULL; |
| 5770 | send_scancmd->u.scanCmd.pContext = |
| 5771 | scan_cmd->u.scanCmd.pContext; |
| 5772 | send_scancmd->u.scanCmd.reason = |
| 5773 | scan_cmd->u.scanCmd.reason; |
| 5774 | /* let it wrap around */ |
| 5775 | wma_get_scan_id(&send_scancmd->u.scanCmd.scanID); |
| 5776 | |
| 5777 | /* |
| 5778 | * First copy all the parameters to local variable of scan |
| 5779 | * request |
| 5780 | */ |
| 5781 | csr_scan_copy_request(mac_ctx, &scan_req, |
| 5782 | &scan_cmd->u.scanCmd.u.scanRequest); |
| 5783 | |
| 5784 | /* |
| 5785 | * Now modify the elements of local var scan request required |
| 5786 | * to be modified for split scan |
| 5787 | */ |
| 5788 | if (scan_req.ChannelInfo.ChannelList != NULL) { |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 5789 | qdf_mem_free(scan_req.ChannelInfo.ChannelList); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5790 | scan_req.ChannelInfo.ChannelList = NULL; |
| 5791 | } |
| 5792 | |
| 5793 | chn_info->numOfChannels = numchan_combinedconc; |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 5794 | qdf_mem_copy(&channel_to_scan[0], |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5795 | &scan_cmd->u.scanCmd.u.scanRequest.ChannelInfo. |
| 5796 | ChannelList[0], chn_info->numOfChannels |
| 5797 | * sizeof(uint8_t)); |
| 5798 | chn_info->ChannelList = &channel_to_scan[0]; |
| 5799 | |
| 5800 | for (i = 0, j = numchan_combinedconc; |
| 5801 | i < (num_chn - numchan_combinedconc); |
| 5802 | i++, j++) { |
| 5803 | /* Move all the channels one step */ |
| 5804 | scan_cmd->u.scanCmd.u.scanRequest.ChannelInfo. |
| 5805 | ChannelList[i] = |
| 5806 | scan_cmd->u.scanCmd.u.scanRequest. |
| 5807 | ChannelInfo.ChannelList[j]; |
| 5808 | } |
| 5809 | |
| 5810 | /* reduce outstanding # of channels to be scanned */ |
| 5811 | scan_cmd->u.scanCmd.u.scanRequest.ChannelInfo.numOfChannels = |
| 5812 | num_chn - numchan_combinedconc; |
| 5813 | |
| 5814 | scan_req.BSSType = eCSR_BSS_TYPE_ANY; |
| 5815 | /* Modify callers parameters in case of concurrency */ |
| 5816 | scan_req.scanType = eSIR_ACTIVE_SCAN; |
| 5817 | /* Use concurrency values for min/maxChnTime. */ |
| 5818 | csr_set_default_scan_timing(mac_ctx, scan_req.scanType, |
| 5819 | &scan_req); |
| 5820 | |
| 5821 | status = csr_scan_copy_request(mac_ctx, |
| 5822 | &send_scancmd->u.scanCmd.u. |
| 5823 | scanRequest, &scan_req); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 5824 | if (!QDF_IS_STATUS_SUCCESS(status)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5825 | sms_log(mac_ctx, LOGE, |
| 5826 | FL(" Failed to get copy csr_scan_request = %d"), |
| 5827 | status); |
| 5828 | csr_ll_unlock(&mac_ctx->scan.scanCmdPendingList); |
| 5829 | return; |
| 5830 | } |
| 5831 | /* Clean the local scan variable */ |
| 5832 | scan_req.ChannelInfo.ChannelList = NULL; |
| 5833 | scan_req.ChannelInfo.numOfChannels = 0; |
| 5834 | csr_scan_free_request(mac_ctx, &scan_req); |
| 5835 | } else { |
| 5836 | /* |
| 5837 | * no active connected session present or numChn == 1 |
| 5838 | * scan all remaining channels |
| 5839 | */ |
| 5840 | send_scancmd = scan_cmd; |
| 5841 | /* remove this command from pending list */ |
| 5842 | if (csr_ll_remove_head(&mac_ctx->scan.scanCmdPendingList, |
| 5843 | /* |
| 5844 | * In case between PeekHead and here, the entry |
| 5845 | * got removed by another thread. |
| 5846 | */ |
| 5847 | LL_ACCESS_NOLOCK) == NULL) { |
| 5848 | sms_log(mac_ctx, LOGE, |
| 5849 | FL(" Failed to remove entry from scanCmdPendingList")); |
| 5850 | } |
| 5851 | |
| 5852 | } |
| 5853 | csr_queue_sme_command(mac_ctx, send_scancmd, false); |
| 5854 | |
| 5855 | |
| 5856 | csr_ll_unlock(&mac_ctx->scan.scanCmdPendingList); |
| 5857 | |
| 5858 | } |
| 5859 | #endif |
| 5860 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 5861 | QDF_STATUS csr_scan_start_result_cfg_aging_timer(tpAniSirGlobal pMac) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5862 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 5863 | QDF_STATUS status = QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5864 | |
| 5865 | if (pMac->scan.fScanEnable) { |
| 5866 | status = |
Anurag Chouhan | 210db07 | 2016-02-22 18:42:15 +0530 | [diff] [blame] | 5867 | qdf_mc_timer_start(&pMac->scan.hTimerResultCfgAging, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5868 | CSR_SCAN_RESULT_CFG_AGING_INTERVAL / |
Anurag Chouhan | 210db07 | 2016-02-22 18:42:15 +0530 | [diff] [blame] | 5869 | QDF_MC_TIMER_TO_MS_UNIT); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5870 | } |
| 5871 | return status; |
| 5872 | } |
| 5873 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 5874 | QDF_STATUS csr_scan_stop_result_cfg_aging_timer(tpAniSirGlobal pMac) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5875 | { |
Anurag Chouhan | 210db07 | 2016-02-22 18:42:15 +0530 | [diff] [blame] | 5876 | return qdf_mc_timer_stop(&pMac->scan.hTimerResultCfgAging); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5877 | } |
| 5878 | |
| 5879 | /** |
| 5880 | * csr_scan_result_cfg_aging_timer_handler() - Time based scan aging handler |
| 5881 | * @pv: Global context |
| 5882 | * |
| 5883 | * This routine is to handle scan aging based on user configured timer value. |
| 5884 | * |
| 5885 | * Return: None |
| 5886 | */ |
| 5887 | static void csr_scan_result_cfg_aging_timer_handler(void *pv) |
| 5888 | { |
| 5889 | tpAniSirGlobal mac_ctx = PMAC_STRUCT(pv); |
| 5890 | tListElem *entry, *tmp_entry; |
| 5891 | tCsrScanResult *result; |
| 5892 | uint32_t ageout_time = |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 5893 | mac_ctx->scan.scanResultCfgAgingTime * QDF_TICKS_PER_SECOND/10; |
Anurag Chouhan | 210db07 | 2016-02-22 18:42:15 +0530 | [diff] [blame] | 5894 | uint32_t cur_time = (uint32_t) qdf_mc_timer_get_system_ticks(); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5895 | uint8_t *bssId; |
| 5896 | |
| 5897 | csr_ll_lock(&mac_ctx->scan.scanResultList); |
| 5898 | entry = csr_ll_peek_head(&mac_ctx->scan.scanResultList, LL_ACCESS_NOLOCK); |
| 5899 | while (entry) { |
| 5900 | tmp_entry = csr_ll_next(&mac_ctx->scan.scanResultList, entry, |
| 5901 | LL_ACCESS_NOLOCK); |
| 5902 | result = GET_BASE_ADDR(entry, tCsrScanResult, Link); |
| 5903 | /* |
Anurag Chouhan | 210db07 | 2016-02-22 18:42:15 +0530 | [diff] [blame] | 5904 | * qdf_mc_timer_get_system_ticks() returns in 10ms interval. |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5905 | * so ageout time value also updated to 10ms interval value. |
| 5906 | */ |
| 5907 | if ((cur_time - result->Result.BssDescriptor.nReceivedTime) > |
| 5908 | ageout_time) { |
| 5909 | bssId = result->Result.BssDescriptor.bssId; |
| 5910 | sms_log(mac_ctx, LOGW, |
| 5911 | FL("age out due to time out"MAC_ADDRESS_STR), |
| 5912 | MAC_ADDR_ARRAY(bssId)); |
| 5913 | csr_scan_age_out_bss(mac_ctx, result); |
| 5914 | } |
| 5915 | entry = tmp_entry; |
| 5916 | } |
| 5917 | csr_ll_unlock(&mac_ctx->scan.scanResultList); |
Anurag Chouhan | 210db07 | 2016-02-22 18:42:15 +0530 | [diff] [blame] | 5918 | qdf_mc_timer_start(&mac_ctx->scan.hTimerResultCfgAging, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5919 | CSR_SCAN_RESULT_CFG_AGING_INTERVAL / |
Anurag Chouhan | 210db07 | 2016-02-22 18:42:15 +0530 | [diff] [blame] | 5920 | QDF_MC_TIMER_TO_MS_UNIT); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5921 | } |
| 5922 | |
| 5923 | bool csr_scan_remove_fresh_scan_command(tpAniSirGlobal pMac, uint8_t sessionId) |
| 5924 | { |
| 5925 | bool fRet = false; |
| 5926 | tListElem *pEntry, *pEntryTmp; |
| 5927 | tSmeCmd *pCommand; |
| 5928 | tDblLinkList localList; |
| 5929 | tDblLinkList *pCmdList; |
| 5930 | |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 5931 | qdf_mem_zero(&localList, sizeof(tDblLinkList)); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 5932 | if (!QDF_IS_STATUS_SUCCESS(csr_ll_open(pMac->hHdd, &localList))) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 5933 | sms_log(pMac, LOGE, FL(" failed to open list")); |
| 5934 | return fRet; |
| 5935 | } |
| 5936 | |
| 5937 | pCmdList = &pMac->sme.smeScanCmdPendingList; |
| 5938 | |
| 5939 | csr_ll_lock(pCmdList); |
| 5940 | pEntry = csr_ll_peek_head(pCmdList, LL_ACCESS_NOLOCK); |
| 5941 | while (pEntry) { |
| 5942 | pEntryTmp = csr_ll_next(pCmdList, pEntry, LL_ACCESS_NOLOCK); |
| 5943 | pCommand = GET_BASE_ADDR(pEntry, tSmeCmd, Link); |
| 5944 | if (!((eSmeCommandScan == pCommand->command) |
| 5945 | && (sessionId == pCommand->sessionId))) { |
| 5946 | pEntry = pEntryTmp; |
| 5947 | continue; |
| 5948 | } |
| 5949 | sms_log(pMac, LOGW, |
| 5950 | FL("-------- abort scan command reason = %d"), |
| 5951 | pCommand->u.scanCmd.reason); |
| 5952 | /* The rest are fresh scan requests */ |
| 5953 | if (csr_ll_remove_entry(pCmdList, pEntry, |
| 5954 | LL_ACCESS_NOLOCK)) { |
| 5955 | csr_ll_insert_tail(&localList, pEntry, |
| 5956 | LL_ACCESS_NOLOCK); |
| 5957 | } |
| 5958 | fRet = true; |
| 5959 | pEntry = pEntryTmp; |
| 5960 | } |
| 5961 | |
| 5962 | csr_ll_unlock(pCmdList); |
| 5963 | |
| 5964 | while ((pEntry = csr_ll_remove_head(&localList, LL_ACCESS_NOLOCK))) { |
| 5965 | pCommand = GET_BASE_ADDR(pEntry, tSmeCmd, Link); |
| 5966 | if (pCommand->u.scanCmd.callback) { |
| 5967 | /* |
| 5968 | * User scan request is pending, send response with |
| 5969 | * status eCSR_SCAN_ABORT |
| 5970 | */ |
| 5971 | pCommand->u.scanCmd.callback(pMac, |
| 5972 | pCommand->u.scanCmd.pContext, sessionId, |
| 5973 | pCommand->u.scanCmd.scanID, eCSR_SCAN_ABORT); |
| 5974 | } |
| 5975 | csr_release_command_scan(pMac, pCommand); |
| 5976 | } |
| 5977 | csr_ll_close(&localList); |
| 5978 | |
| 5979 | return fRet; |
| 5980 | } |
| 5981 | |
| 5982 | void csr_release_scan_command(tpAniSirGlobal pMac, tSmeCmd *pCommand, |
| 5983 | eCsrScanStatus scanStatus) |
| 5984 | { |
| 5985 | eCsrScanReason reason = pCommand->u.scanCmd.reason; |
| 5986 | bool status; |
| 5987 | tDblLinkList *cmd_list = NULL; |
| 5988 | |
| 5989 | csr_scan_call_callback(pMac, pCommand, scanStatus); |
| 5990 | sms_log(pMac, LOG1, FL("Remove Scan command reason = %d, scan_id %d"), |
| 5991 | reason, pCommand->u.scanCmd.scanID); |
| 5992 | cmd_list = &pMac->sme.smeScanCmdActiveList; |
| 5993 | status = csr_ll_remove_entry(cmd_list, &pCommand->Link, LL_ACCESS_LOCK); |
| 5994 | if (!status) { |
| 5995 | sms_log(pMac, LOGE, |
| 5996 | FL("cannot release command reason %d scan_id %d"), |
| 5997 | pCommand->u.scanCmd.reason, |
| 5998 | pCommand->u.scanCmd.scanID); |
| 5999 | return; |
| 6000 | } |
| 6001 | csr_release_command_scan(pMac, pCommand); |
| 6002 | } |
| 6003 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6004 | QDF_STATUS csr_scan_get_pmkid_candidate_list(tpAniSirGlobal pMac, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6005 | uint32_t sessionId, |
| 6006 | tPmkidCandidateInfo *pPmkidList, |
| 6007 | uint32_t *pNumItems) |
| 6008 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6009 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6010 | tCsrRoamSession *pSession = CSR_GET_SESSION(pMac, sessionId); |
| 6011 | tCsrScanResultFilter *pScanFilter; |
| 6012 | tCsrScanResultInfo *pScanResult; |
| 6013 | tScanResultHandle hBSSList; |
| 6014 | uint32_t nItems = *pNumItems; |
| 6015 | |
| 6016 | if (!pSession) { |
| 6017 | sms_log(pMac, LOGE, FL(" session %d not found "), sessionId); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6018 | return QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6019 | } |
| 6020 | |
| 6021 | sms_log(pMac, LOGW, FL("pMac->scan.NumPmkidCandidate = %d"), |
| 6022 | pSession->NumPmkidCandidate); |
| 6023 | csr_reset_pmkid_candidate_list(pMac, sessionId); |
| 6024 | if (!(csr_is_conn_state_connected(pMac, sessionId) |
| 6025 | && pSession->pCurRoamProfile)) |
| 6026 | return status; |
| 6027 | |
| 6028 | *pNumItems = 0; |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 6029 | pScanFilter = qdf_mem_malloc(sizeof(tCsrScanResultFilter)); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6030 | if (NULL == pScanFilter) |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6031 | return QDF_STATUS_E_NOMEM; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6032 | |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 6033 | qdf_mem_set(pScanFilter, sizeof(tCsrScanResultFilter), 0); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6034 | /* Here is the profile we need to connect to */ |
| 6035 | status = csr_roam_prepare_filter_from_profile(pMac, |
| 6036 | pSession->pCurRoamProfile, pScanFilter); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6037 | if (!QDF_IS_STATUS_SUCCESS(status)) { |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 6038 | qdf_mem_free(pScanFilter); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6039 | return status; |
| 6040 | } |
| 6041 | |
| 6042 | status = csr_scan_get_result(pMac, pScanFilter, &hBSSList); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6043 | if (!QDF_IS_STATUS_SUCCESS(status)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6044 | csr_free_scan_filter(pMac, pScanFilter); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 6045 | qdf_mem_free(pScanFilter); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6046 | return status; |
| 6047 | } |
| 6048 | |
| 6049 | if (pSession->NumPmkidCandidate < nItems) { |
| 6050 | pScanResult = csr_scan_result_get_next(pMac, hBSSList); |
| 6051 | while (pScanResult != NULL) { |
| 6052 | /* NumPmkidCandidate adds up here */ |
| 6053 | csr_process_bss_desc_for_pmkid_list(pMac, |
| 6054 | &pScanResult->BssDescriptor, |
| 6055 | (tDot11fBeaconIEs *)(pScanResult->pvIes), |
| 6056 | sessionId); |
| 6057 | pScanResult = csr_scan_result_get_next(pMac, hBSSList); |
| 6058 | } |
| 6059 | } |
| 6060 | |
| 6061 | if (pSession->NumPmkidCandidate) { |
| 6062 | *pNumItems = pSession->NumPmkidCandidate; |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 6063 | qdf_mem_copy(pPmkidList, pSession->PmkidCandidateInfo, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6064 | pSession->NumPmkidCandidate * |
| 6065 | sizeof(tPmkidCandidateInfo)); |
| 6066 | } |
| 6067 | |
| 6068 | csr_scan_result_purge(pMac, hBSSList); |
| 6069 | csr_free_scan_filter(pMac, pScanFilter); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 6070 | qdf_mem_free(pScanFilter); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6071 | return status; |
| 6072 | } |
| 6073 | |
| 6074 | #ifdef FEATURE_WLAN_WAPI |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6075 | QDF_STATUS csr_scan_get_bkid_candidate_list(tpAniSirGlobal pMac, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6076 | uint32_t sessionId, |
| 6077 | tBkidCandidateInfo *pBkidList, |
| 6078 | uint32_t *pNumItems) |
| 6079 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6080 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6081 | tCsrRoamSession *pSession = CSR_GET_SESSION(pMac, sessionId); |
| 6082 | tCsrScanResultFilter *pScanFilter; |
| 6083 | tCsrScanResultInfo *pScanResult; |
| 6084 | tScanResultHandle hBSSList; |
| 6085 | uint32_t nItems = *pNumItems; |
| 6086 | |
| 6087 | if (!pSession) { |
| 6088 | sms_log(pMac, LOGE, FL(" session %d not found "), sessionId); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6089 | return QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6090 | } |
| 6091 | |
| 6092 | sms_log(pMac, LOGW, FL("pMac->scan.NumBkidCandidate = %d"), |
| 6093 | pSession->NumBkidCandidate); |
| 6094 | csr_reset_bkid_candidate_list(pMac, sessionId); |
| 6095 | if (!(csr_is_conn_state_connected(pMac, sessionId) |
| 6096 | && pSession->pCurRoamProfile)) |
| 6097 | return status; |
| 6098 | |
| 6099 | *pNumItems = 0; |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 6100 | pScanFilter = qdf_mem_malloc(sizeof(tCsrScanResultFilter)); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6101 | if (NULL == pScanFilter) |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6102 | return QDF_STATUS_E_NOMEM; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6103 | |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 6104 | qdf_mem_set(pScanFilter, sizeof(tCsrScanResultFilter), 0); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6105 | /* Here is the profile we need to connect to */ |
| 6106 | status = csr_roam_prepare_filter_from_profile(pMac, |
| 6107 | pSession->pCurRoamProfile, pScanFilter); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6108 | if (!QDF_IS_STATUS_SUCCESS(status)) { |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 6109 | qdf_mem_free(pScanFilter); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6110 | return status; |
| 6111 | } |
| 6112 | |
| 6113 | status = csr_scan_get_result(pMac, pScanFilter, &hBSSList); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6114 | if (!QDF_IS_STATUS_SUCCESS(status)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6115 | csr_free_scan_filter(pMac, pScanFilter); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 6116 | qdf_mem_free(pScanFilter); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6117 | return status; |
| 6118 | } |
| 6119 | |
| 6120 | if (pSession->NumBkidCandidate < nItems) { |
| 6121 | pScanResult = csr_scan_result_get_next(pMac, hBSSList); |
| 6122 | while (pScanResult != NULL) { |
| 6123 | /* pMac->scan.NumBkidCandidate adds up here */ |
| 6124 | csr_process_bss_desc_for_bkid_list(pMac, |
| 6125 | &pScanResult->BssDescriptor, |
| 6126 | (tDot11fBeaconIEs *)(pScanResult->pvIes)); |
| 6127 | pScanResult = csr_scan_result_get_next(pMac, hBSSList); |
| 6128 | } |
| 6129 | } |
| 6130 | |
| 6131 | if (pSession->NumBkidCandidate) { |
| 6132 | *pNumItems = pSession->NumBkidCandidate; |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 6133 | qdf_mem_copy(pBkidList, pSession->BkidCandidateInfo, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6134 | pSession->NumBkidCandidate * |
| 6135 | sizeof(tBkidCandidateInfo)); |
| 6136 | } |
| 6137 | |
| 6138 | csr_scan_result_purge(pMac, hBSSList); |
| 6139 | csr_free_scan_filter(pMac, pScanFilter); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 6140 | qdf_mem_free(pScanFilter); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6141 | return status; |
| 6142 | } |
| 6143 | #endif /* FEATURE_WLAN_WAPI */ |
| 6144 | |
| 6145 | /** |
| 6146 | * csr_roam_copy_channellist() - Function to copy channel list |
| 6147 | * @mac_ctx: pointer to Global Mac structure |
| 6148 | * @profile: pointer to tCsrRoamProfile |
| 6149 | * @scan_cmd: pointer to tSmeCmd |
| 6150 | * @index: index for channellist |
| 6151 | * |
| 6152 | * Function copies channel list |
| 6153 | * |
| 6154 | * Return: none |
| 6155 | */ |
| 6156 | static void csr_roam_copy_channellist(tpAniSirGlobal mac_ctx, |
| 6157 | tCsrRoamProfile *profile, |
| 6158 | tSmeCmd *scan_cmd, uint8_t index) |
| 6159 | { |
| 6160 | tCsrChannelInfo *channel_info = |
| 6161 | &scan_cmd->u.scanCmd.u.scanRequest.ChannelInfo; |
| 6162 | |
| 6163 | for (index = 0; index < profile->ChannelInfo.numOfChannels; |
| 6164 | index++) { |
| 6165 | if (!csr_roam_is_valid_channel(mac_ctx, |
| 6166 | profile->ChannelInfo.ChannelList[index])) { |
| 6167 | sms_log(mac_ctx, LOGW, |
| 6168 | FL("process a channel (%d) that is invalid"), |
| 6169 | profile->ChannelInfo.ChannelList[index]); |
| 6170 | continue; |
| 6171 | } |
| 6172 | channel_info->ChannelList[channel_info->numOfChannels] = |
| 6173 | profile->ChannelInfo.ChannelList[index]; |
| 6174 | scan_cmd->u.scanCmd.u.scanRequest.ChannelInfo.numOfChannels++; |
| 6175 | } |
| 6176 | } |
| 6177 | |
| 6178 | /** |
| 6179 | * csr_scan_for_ssid() - Function usually used for BSSs that suppresses SSID |
| 6180 | * @mac_ctx: Pointer to Global Mac structure |
| 6181 | * @profile: pointer to tCsrRoamProfile |
| 6182 | * @roam_id: variable representing roam id |
| 6183 | * @notify: boolean variable |
| 6184 | * |
| 6185 | * Function is usually used for BSSs that suppresses SSID so the profile |
| 6186 | * shall have one and only one SSID. |
| 6187 | * |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6188 | * Return: Success - QDF_STATUS_SUCCESS, Failure - error number |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6189 | */ |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6190 | QDF_STATUS csr_scan_for_ssid(tpAniSirGlobal mac_ctx, uint32_t session_id, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6191 | tCsrRoamProfile *profile, uint32_t roam_id, |
| 6192 | bool notify) |
| 6193 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6194 | QDF_STATUS status = QDF_STATUS_E_INVAL; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6195 | tSmeCmd *scan_cmd = NULL; |
| 6196 | tCsrScanRequest *scan_req = NULL; |
| 6197 | uint8_t index = 0; |
| 6198 | uint32_t num_ssid = profile->SSIDs.numOfSSIDs; |
| 6199 | tpCsrNeighborRoamControlInfo neighbor_roaminfo = |
| 6200 | &mac_ctx->roam.neighborRoamInfo[session_id]; |
| 6201 | tCsrSSIDs *ssids = NULL; |
| 6202 | |
| 6203 | sms_log(mac_ctx, LOG2, FL("called")); |
| 6204 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6205 | if (!(mac_ctx->scan.fScanEnable) && (num_ssid != 1)) { |
| 6206 | sms_log(mac_ctx, LOGE, |
| 6207 | FL("cannot scan because scanEnable (%d) or numSSID (%d) is invalid"), |
| 6208 | mac_ctx->scan.fScanEnable, profile->SSIDs.numOfSSIDs); |
| 6209 | return status; |
| 6210 | } |
| 6211 | |
| 6212 | scan_cmd = csr_get_command_buffer(mac_ctx); |
| 6213 | |
| 6214 | if (!scan_cmd) { |
| 6215 | sms_log(mac_ctx, LOGE, |
| 6216 | FL("failed to allocate command buffer")); |
| 6217 | goto error; |
| 6218 | } |
| 6219 | |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 6220 | qdf_mem_set(&scan_cmd->u.scanCmd, sizeof(tScanCmd), 0); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6221 | scan_cmd->u.scanCmd.pToRoamProfile = |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 6222 | qdf_mem_malloc(sizeof(tCsrRoamProfile)); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6223 | |
| 6224 | if (NULL == scan_cmd->u.scanCmd.pToRoamProfile) |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6225 | status = QDF_STATUS_E_NOMEM; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6226 | else |
| 6227 | status = csr_roam_copy_profile(mac_ctx, |
| 6228 | scan_cmd->u.scanCmd.pToRoamProfile, |
| 6229 | profile); |
| 6230 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6231 | if (!QDF_IS_STATUS_SUCCESS(status)) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6232 | goto error; |
| 6233 | |
| 6234 | scan_cmd->u.scanCmd.roamId = roam_id; |
| 6235 | scan_cmd->command = eSmeCommandScan; |
| 6236 | scan_cmd->sessionId = (uint8_t) session_id; |
| 6237 | scan_cmd->u.scanCmd.callback = NULL; |
| 6238 | scan_cmd->u.scanCmd.pContext = NULL; |
| 6239 | scan_cmd->u.scanCmd.reason = eCsrScanForSsid; |
| 6240 | |
| 6241 | /* let it wrap around */ |
| 6242 | wma_get_scan_id(&scan_cmd->u.scanCmd.scanID); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 6243 | qdf_mem_set(&scan_cmd->u.scanCmd.u.scanRequest, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6244 | sizeof(tCsrScanRequest), 0); |
Anurag Chouhan | 210db07 | 2016-02-22 18:42:15 +0530 | [diff] [blame] | 6245 | status = qdf_mc_timer_init(&scan_cmd->u.scanCmd.csr_scan_timer, |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 6246 | QDF_TIMER_TYPE_SW, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6247 | csr_scan_active_list_timeout_handle, &scan_cmd); |
| 6248 | scan_req = &scan_cmd->u.scanCmd.u.scanRequest; |
| 6249 | scan_req->scanType = eSIR_ACTIVE_SCAN; |
| 6250 | scan_req->BSSType = profile->BSSType; |
| 6251 | scan_req->scan_id = scan_cmd->u.scanCmd.scanID; |
| 6252 | /* |
| 6253 | * To avoid 11b rate in probe request Set p2pSearch |
| 6254 | * flag as 1 for P2P Client Mode |
| 6255 | */ |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 6256 | if (QDF_P2P_CLIENT_MODE == profile->csrPersona) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6257 | scan_req->p2pSearch = 1; |
| 6258 | |
| 6259 | /* Allocate memory for IE field */ |
| 6260 | if (profile->pAddIEScan) { |
| 6261 | scan_req->pIEField = |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 6262 | qdf_mem_malloc(profile->nAddIEScanLength); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6263 | |
| 6264 | if (NULL == scan_req->pIEField) |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6265 | status = QDF_STATUS_E_NOMEM; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6266 | else |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6267 | status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6268 | |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 6269 | qdf_mem_set(scan_req->pIEField, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6270 | profile->nAddIEScanLength, 0); |
| 6271 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6272 | if (QDF_IS_STATUS_SUCCESS(status)) { |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 6273 | qdf_mem_copy(scan_req->pIEField, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6274 | profile->pAddIEScan, |
| 6275 | profile->nAddIEScanLength); |
| 6276 | scan_req->uIEFieldLen = profile->nAddIEScanLength; |
| 6277 | } else { |
| 6278 | sms_log(mac_ctx, LOGE, |
| 6279 | "No memory for scanning IE fields"); |
| 6280 | } |
| 6281 | } else |
| 6282 | scan_req->uIEFieldLen = 0; |
| 6283 | |
| 6284 | /* |
| 6285 | * For one channel be good enpugh time to receive beacon |
| 6286 | * atleast |
| 6287 | */ |
| 6288 | if (1 == profile->ChannelInfo.numOfChannels) { |
| 6289 | if (neighbor_roaminfo->handoffReqInfo.src == |
| 6290 | FASTREASSOC) { |
| 6291 | scan_req->maxChnTime = |
| 6292 | MAX_ACTIVE_SCAN_FOR_ONE_CHANNEL_FASTREASSOC; |
| 6293 | scan_req->minChnTime = |
| 6294 | MIN_ACTIVE_SCAN_FOR_ONE_CHANNEL_FASTREASSOC; |
| 6295 | /* Reset this value */ |
| 6296 | neighbor_roaminfo->handoffReqInfo.src = 0; |
| 6297 | } else { |
| 6298 | scan_req->maxChnTime = |
| 6299 | MAX_ACTIVE_SCAN_FOR_ONE_CHANNEL; |
| 6300 | scan_req->minChnTime = |
| 6301 | MIN_ACTIVE_SCAN_FOR_ONE_CHANNEL; |
| 6302 | } |
| 6303 | } else { |
| 6304 | scan_req->maxChnTime = |
| 6305 | mac_ctx->roam.configParam.nActiveMaxChnTime; |
| 6306 | scan_req->minChnTime = |
| 6307 | mac_ctx->roam.configParam.nActiveMinChnTime; |
| 6308 | } |
| 6309 | |
| 6310 | if (profile->BSSIDs.numOfBSSIDs == 1) |
Anurag Chouhan | c554842 | 2016-02-24 18:33:27 +0530 | [diff] [blame] | 6311 | qdf_copy_macaddr(&scan_req->bssid, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6312 | profile->BSSIDs.bssid); |
| 6313 | else |
Anurag Chouhan | c554842 | 2016-02-24 18:33:27 +0530 | [diff] [blame] | 6314 | qdf_set_macaddr_broadcast(&scan_req->bssid); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6315 | |
| 6316 | if (profile->ChannelInfo.numOfChannels) { |
| 6317 | scan_req->ChannelInfo.ChannelList = |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 6318 | qdf_mem_malloc(sizeof(*scan_req->ChannelInfo.ChannelList) * |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6319 | profile->ChannelInfo.numOfChannels); |
| 6320 | |
| 6321 | if (NULL == scan_req->ChannelInfo.ChannelList) |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6322 | status = QDF_STATUS_E_NOMEM; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6323 | else |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6324 | status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6325 | |
| 6326 | scan_req->ChannelInfo.numOfChannels = 0; |
| 6327 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6328 | if (QDF_IS_STATUS_SUCCESS(status)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6329 | csr_roam_is_channel_valid(mac_ctx, |
| 6330 | profile->ChannelInfo.ChannelList[0]); |
| 6331 | csr_roam_copy_channellist(mac_ctx, |
| 6332 | profile, scan_cmd, index); |
| 6333 | } else { |
| 6334 | goto error; |
| 6335 | } |
| 6336 | } else { |
| 6337 | scan_req->ChannelInfo.numOfChannels = 0; |
| 6338 | } |
| 6339 | |
| 6340 | if (profile->SSIDs.numOfSSIDs) { |
| 6341 | scan_req->SSIDs.SSIDList = |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 6342 | qdf_mem_malloc(profile->SSIDs.numOfSSIDs * |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6343 | sizeof(tCsrSSIDInfo)); |
| 6344 | |
| 6345 | if (NULL == scan_req->SSIDs.SSIDList) |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6346 | status = QDF_STATUS_E_NOMEM; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6347 | else |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6348 | status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6349 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6350 | if (!QDF_IS_STATUS_SUCCESS(status)) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6351 | goto error; |
| 6352 | |
| 6353 | ssids = &scan_req->SSIDs; |
| 6354 | ssids->numOfSSIDs = 1; |
| 6355 | |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 6356 | qdf_mem_copy(scan_req->SSIDs.SSIDList, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6357 | profile->SSIDs.SSIDList, |
| 6358 | sizeof(tCsrSSIDInfo)); |
| 6359 | } |
| 6360 | |
| 6361 | /* Start process the command */ |
| 6362 | status = csr_queue_sme_command(mac_ctx, scan_cmd, false); |
| 6363 | error: |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6364 | if (!QDF_IS_STATUS_SUCCESS(status)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6365 | sms_log(mac_ctx, LOGE, |
| 6366 | FL(" failed to iniate scan with status = %d"), status); |
| 6367 | if (scan_cmd) |
| 6368 | csr_release_command_scan(mac_ctx, scan_cmd); |
| 6369 | if (notify) |
| 6370 | csr_roam_call_callback(mac_ctx, session_id, NULL, |
| 6371 | roam_id, eCSR_ROAM_FAILED, |
| 6372 | eCSR_ROAM_RESULT_FAILURE); |
| 6373 | } |
| 6374 | return status; |
| 6375 | } |
| 6376 | |
| 6377 | void csr_set_cfg_valid_channel_list(tpAniSirGlobal pMac, uint8_t *pChannelList, |
| 6378 | uint8_t NumChannels) |
| 6379 | { |
| 6380 | uint32_t dataLen = sizeof(uint8_t) * NumChannels; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6381 | QDF_STATUS status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6382 | |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 6383 | QDF_TRACE(QDF_MODULE_ID_SME, QDF_TRACE_LEVEL_INFO, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6384 | "%s: dump valid channel list(NumChannels(%d))", |
| 6385 | __func__, NumChannels); |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 6386 | QDF_TRACE_HEX_DUMP(QDF_MODULE_ID_SME, QDF_TRACE_LEVEL_INFO, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6387 | pChannelList, NumChannels); |
| 6388 | cfg_set_str(pMac, WNI_CFG_VALID_CHANNEL_LIST, pChannelList, |
| 6389 | dataLen); |
| 6390 | |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 6391 | QDF_TRACE(QDF_MODULE_ID_SME, QDF_TRACE_LEVEL_INFO, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6392 | "Scan offload is enabled, update default chan list"); |
| 6393 | /* |
| 6394 | * disable fcc constraint since new country code |
| 6395 | * is being set |
| 6396 | */ |
| 6397 | pMac->scan.fcc_constraint = false; |
| 6398 | status = csr_update_channel_list(pMac); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6399 | if (QDF_STATUS_SUCCESS != status) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 6400 | QDF_TRACE(QDF_MODULE_ID_SME, QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6401 | "failed to update the supported channel list"); |
| 6402 | } |
| 6403 | return; |
| 6404 | } |
| 6405 | |
| 6406 | /* |
| 6407 | * The Tx power limits are saved in the cfg for future usage. |
| 6408 | */ |
| 6409 | void csr_save_tx_power_to_cfg(tpAniSirGlobal pMac, tDblLinkList *pList, |
| 6410 | uint32_t cfgId) |
| 6411 | { |
| 6412 | tListElem *pEntry; |
| 6413 | uint32_t cbLen = 0, dataLen, tmp_len; |
| 6414 | tCsrChannelPowerInfo *ch_set; |
| 6415 | uint32_t idx; |
| 6416 | tSirMacChanInfo *ch_pwr_set; |
| 6417 | uint8_t *pBuf = NULL; |
| 6418 | |
| 6419 | /* allocate maximum space for all channels */ |
| 6420 | dataLen = WNI_CFG_VALID_CHANNEL_LIST_LEN * sizeof(tSirMacChanInfo); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 6421 | pBuf = qdf_mem_malloc(dataLen); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6422 | if (pBuf == NULL) |
| 6423 | return; |
| 6424 | |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 6425 | qdf_mem_set(pBuf, dataLen, 0); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6426 | ch_pwr_set = (tSirMacChanInfo *) (pBuf); |
| 6427 | pEntry = csr_ll_peek_head(pList, LL_ACCESS_LOCK); |
| 6428 | /* |
| 6429 | * write the tuples (startChan, numChan, txPower) for each channel found |
| 6430 | * in the channel power list. |
| 6431 | */ |
| 6432 | while (pEntry) { |
| 6433 | ch_set = GET_BASE_ADDR(pEntry, tCsrChannelPowerInfo, link); |
| 6434 | if (1 != ch_set->interChannelOffset) { |
| 6435 | /* |
| 6436 | * we keep the 5G channel sets internally with an |
| 6437 | * interchannel offset of 4. Expand these to the right |
| 6438 | * format. (inter channel offset of 1 is the only option |
| 6439 | * for the triplets that 11d advertises. |
| 6440 | */ |
| 6441 | tmp_len = cbLen + (ch_set->numChannels * |
| 6442 | sizeof(tSirMacChanInfo)); |
| 6443 | if (tmp_len >= dataLen) { |
| 6444 | /* |
| 6445 | * expanding this entry will overflow our |
| 6446 | * allocation |
| 6447 | */ |
| 6448 | sms_log(pMac, LOGE, |
| 6449 | FL("Buffer overflow, start %d, num %d, offset %d"), |
| 6450 | ch_set->firstChannel, |
| 6451 | ch_set->numChannels, |
| 6452 | ch_set->interChannelOffset); |
| 6453 | break; |
| 6454 | } |
| 6455 | |
| 6456 | for (idx = 0; idx < ch_set->numChannels; idx++) { |
| 6457 | ch_pwr_set->firstChanNum = (tSirMacChanNum) |
| 6458 | (ch_set->firstChannel + (idx * |
| 6459 | ch_set->interChannelOffset)); |
| 6460 | sms_log(pMac, LOG3, |
| 6461 | FL("Setting Channel Number %d"), |
| 6462 | ch_pwr_set->firstChanNum); |
| 6463 | ch_pwr_set->numChannels = 1; |
| 6464 | ch_pwr_set->maxTxPower = |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 6465 | QDF_MIN(ch_set->txPower, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6466 | pMac->roam.configParam.nTxPowerCap); |
| 6467 | sms_log(pMac, LOG3, |
| 6468 | FL("Setting Max Transmit Power %d"), |
| 6469 | ch_pwr_set->maxTxPower); |
| 6470 | cbLen += sizeof(tSirMacChanInfo); |
| 6471 | ch_pwr_set++; |
| 6472 | } |
| 6473 | } else { |
| 6474 | if (cbLen >= dataLen) { |
| 6475 | /* this entry will overflow our allocation */ |
| 6476 | sms_log(pMac, LOGE, |
| 6477 | FL("Buffer overflow, start %d, num %d, offset %d"), |
| 6478 | ch_set->firstChannel, |
| 6479 | ch_set->numChannels, |
| 6480 | ch_set->interChannelOffset); |
| 6481 | break; |
| 6482 | } |
| 6483 | ch_pwr_set->firstChanNum = ch_set->firstChannel; |
| 6484 | sms_log(pMac, LOG3, FL("Setting Channel Number %d"), |
| 6485 | ch_pwr_set->firstChanNum); |
| 6486 | ch_pwr_set->numChannels = ch_set->numChannels; |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 6487 | ch_pwr_set->maxTxPower = QDF_MIN(ch_set->txPower, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6488 | pMac->roam.configParam.nTxPowerCap); |
| 6489 | sms_log(pMac, LOG3, |
| 6490 | FL("Setting Max Tx Power %d, nTxPower %d"), |
| 6491 | ch_pwr_set->maxTxPower, |
| 6492 | pMac->roam.configParam.nTxPowerCap); |
| 6493 | cbLen += sizeof(tSirMacChanInfo); |
| 6494 | ch_pwr_set++; |
| 6495 | } |
| 6496 | pEntry = csr_ll_next(pList, pEntry, LL_ACCESS_LOCK); |
| 6497 | } |
| 6498 | if (cbLen) |
| 6499 | cfg_set_str(pMac, cfgId, (uint8_t *) pBuf, cbLen); |
| 6500 | |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 6501 | qdf_mem_free(pBuf); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6502 | } |
| 6503 | |
| 6504 | void csr_set_cfg_country_code(tpAniSirGlobal pMac, uint8_t *countryCode) |
| 6505 | { |
| 6506 | uint8_t cc[WNI_CFG_COUNTRY_CODE_LEN]; |
| 6507 | /* v_REGDOMAIN_t DomainId */ |
| 6508 | |
| 6509 | sms_log(pMac, LOG3, FL("Setting Country Code in Cfg %s"), countryCode); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 6510 | qdf_mem_copy(cc, countryCode, WNI_CFG_COUNTRY_CODE_LEN); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6511 | |
| 6512 | /* |
| 6513 | * don't program the bogus country codes that we created for Korea in the |
| 6514 | * MAC. if we see the bogus country codes, program the MAC with the right |
| 6515 | * country code. |
| 6516 | */ |
| 6517 | if (('K' == countryCode[0] && '1' == countryCode[1]) || |
| 6518 | ('K' == countryCode[0] && '2' == countryCode[1]) || |
| 6519 | ('K' == countryCode[0] && '3' == countryCode[1]) || |
| 6520 | ('K' == countryCode[0] && '4' == countryCode[1])) { |
| 6521 | /* |
| 6522 | * replace the alternate Korea country codes, 'K1', 'K2', .. |
| 6523 | * with 'KR' for Korea |
| 6524 | */ |
| 6525 | cc[1] = 'R'; |
| 6526 | } |
| 6527 | cfg_set_str(pMac, WNI_CFG_COUNTRY_CODE, cc, WNI_CFG_COUNTRY_CODE_LEN); |
| 6528 | |
| 6529 | /* |
| 6530 | * Need to let HALPHY know about the current domain so it can apply some |
| 6531 | * domain-specific settings (TX filter...) |
| 6532 | */ |
| 6533 | /* |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6534 | if(QDF_IS_STATUS_SUCCESS(csr_get_regulatory_domain_for_country( |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6535 | pMac, cc, &DomainId))) { |
| 6536 | halPhySetRegDomain(pMac, DomainId); |
| 6537 | } */ |
| 6538 | } |
| 6539 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6540 | QDF_STATUS csr_get_country_code(tpAniSirGlobal pMac, uint8_t *pBuf, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6541 | uint8_t *pbLen) |
| 6542 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6543 | QDF_STATUS status = QDF_STATUS_E_INVAL; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6544 | uint32_t len; |
| 6545 | |
| 6546 | if (pBuf && pbLen && (*pbLen >= WNI_CFG_COUNTRY_CODE_LEN)) { |
| 6547 | len = *pbLen; |
| 6548 | status = wlan_cfg_get_str(pMac, WNI_CFG_COUNTRY_CODE, pBuf, &len); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6549 | if (QDF_IS_STATUS_SUCCESS(status)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6550 | *pbLen = (uint8_t) len; |
| 6551 | } |
| 6552 | } |
| 6553 | |
| 6554 | return status; |
| 6555 | } |
| 6556 | |
| 6557 | void csr_set_cfg_scan_control_list(tpAniSirGlobal pMac, uint8_t *countryCode, |
| 6558 | tCsrChannel *pChannelList) |
| 6559 | { |
| 6560 | uint8_t i, j; |
| 6561 | bool found = false; |
| 6562 | uint8_t *pControlList = NULL; |
| 6563 | uint32_t len = WNI_CFG_SCAN_CONTROL_LIST_LEN; |
| 6564 | |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 6565 | pControlList = qdf_mem_malloc(WNI_CFG_SCAN_CONTROL_LIST_LEN); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6566 | if (pControlList != NULL) { |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 6567 | qdf_mem_set((void *)pControlList, WNI_CFG_SCAN_CONTROL_LIST_LEN, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6568 | 0); |
| 6569 | if (IS_SIR_STATUS_SUCCESS(wlan_cfg_get_str(pMac, |
| 6570 | WNI_CFG_SCAN_CONTROL_LIST, |
| 6571 | pControlList, &len))) { |
| 6572 | for (i = 0; i < pChannelList->numChannels; i++) { |
| 6573 | for (j = 0; j < len; j += 2) { |
| 6574 | if (pControlList[j] == |
| 6575 | pChannelList->channelList[i]) { |
| 6576 | found = true; |
| 6577 | break; |
| 6578 | } |
| 6579 | } |
| 6580 | |
| 6581 | if (found) { |
| 6582 | /* insert a pair(channel#, flag) */ |
| 6583 | pControlList[j + 1] = |
| 6584 | csr_get_scan_type(pMac, |
| 6585 | pControlList[j]); |
| 6586 | found = false; /* reset the flag */ |
| 6587 | } |
| 6588 | |
| 6589 | } |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 6590 | QDF_TRACE(QDF_MODULE_ID_SME, QDF_TRACE_LEVEL_INFO, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6591 | "%s: dump scan control list", __func__); |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 6592 | QDF_TRACE_HEX_DUMP(QDF_MODULE_ID_SME, |
| 6593 | QDF_TRACE_LEVEL_INFO, pControlList, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6594 | len); |
| 6595 | |
| 6596 | cfg_set_str(pMac, WNI_CFG_SCAN_CONTROL_LIST, |
| 6597 | pControlList, len); |
| 6598 | } /* Successfully getting scan control list */ |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 6599 | qdf_mem_free(pControlList); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6600 | } /* AllocateMemory */ |
| 6601 | } |
| 6602 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6603 | QDF_STATUS csr_scan_abort_mac_scan(tpAniSirGlobal pMac, uint8_t sessionId, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6604 | eCsrAbortReason reason) |
| 6605 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6606 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6607 | |
| 6608 | pMac->scan.fDropScanCmd = true; |
| 6609 | csr_remove_cmd_with_session_id_from_pending_list(pMac, |
| 6610 | sessionId, &pMac->sme.smeScanCmdPendingList, |
| 6611 | eSmeCommandScan); |
| 6612 | pMac->scan.fDropScanCmd = false; |
| 6613 | csr_abort_scan_from_active_list(pMac, |
| 6614 | &pMac->sme.smeScanCmdActiveList, sessionId, |
| 6615 | eSmeCommandScan, reason); |
| 6616 | |
| 6617 | return status; |
| 6618 | } |
| 6619 | |
| 6620 | void csr_remove_cmd_with_session_id_from_pending_list(tpAniSirGlobal pMac, |
| 6621 | uint8_t sessionId, |
| 6622 | tDblLinkList *pList, |
| 6623 | eSmeCommandType commandType) |
| 6624 | { |
| 6625 | tDblLinkList localList; |
| 6626 | tListElem *pEntry; |
| 6627 | tSmeCmd *pCommand; |
| 6628 | tListElem *pEntryToRemove; |
| 6629 | |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 6630 | qdf_mem_zero(&localList, sizeof(tDblLinkList)); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6631 | if (!QDF_IS_STATUS_SUCCESS(csr_ll_open(pMac->hHdd, &localList))) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6632 | sms_log(pMac, LOGE, FL("failed to open list")); |
| 6633 | return; |
| 6634 | } |
| 6635 | |
| 6636 | csr_ll_lock(pList); |
| 6637 | pEntry = csr_ll_peek_head(pList, LL_ACCESS_NOLOCK); |
| 6638 | if (pEntry) { |
| 6639 | /* |
| 6640 | * Have to make sure we don't loop back to the head of the list, |
| 6641 | * which will happen if the entry is NOT on the list |
| 6642 | */ |
| 6643 | while (pEntry) { |
| 6644 | pEntryToRemove = pEntry; |
| 6645 | pEntry = csr_ll_next(pList, pEntry, LL_ACCESS_NOLOCK); |
| 6646 | pCommand = GET_BASE_ADDR(pEntryToRemove, tSmeCmd, Link); |
| 6647 | |
| 6648 | if (!((pCommand->command == commandType) && |
| 6649 | (pCommand->sessionId == sessionId))) |
| 6650 | continue; |
| 6651 | /* Remove that entry only */ |
| 6652 | if (csr_ll_remove_entry(pList, pEntryToRemove, |
| 6653 | LL_ACCESS_NOLOCK)) { |
| 6654 | csr_ll_insert_tail(&localList, pEntryToRemove, |
| 6655 | LL_ACCESS_NOLOCK); |
| 6656 | } |
| 6657 | } |
| 6658 | } |
| 6659 | csr_ll_unlock(pList); |
| 6660 | |
| 6661 | while ((pEntry = csr_ll_remove_head(&localList, LL_ACCESS_NOLOCK))) { |
| 6662 | pCommand = GET_BASE_ADDR(pEntry, tSmeCmd, Link); |
| 6663 | sms_log(pMac, LOG1, FL("Sending abort for scan command ID %d"), |
| 6664 | pCommand->u.scanCmd.scanID); |
| 6665 | csr_abort_command(pMac, pCommand, false); |
| 6666 | } |
| 6667 | |
| 6668 | csr_ll_close(&localList); |
| 6669 | } |
| 6670 | |
| 6671 | void csr_remove_cmd_from_pending_list(tpAniSirGlobal pMac, |
| 6672 | tDblLinkList *pList, |
| 6673 | eSmeCommandType commandType) |
| 6674 | { |
| 6675 | tDblLinkList localList; |
| 6676 | tListElem *pEntry; |
| 6677 | tSmeCmd *pCommand; |
| 6678 | tListElem *pEntryToRemove; |
| 6679 | |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 6680 | qdf_mem_zero(&localList, sizeof(tDblLinkList)); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6681 | if (!QDF_IS_STATUS_SUCCESS(csr_ll_open(pMac->hHdd, &localList))) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6682 | sms_log(pMac, LOGE, FL(" failed to open list")); |
| 6683 | return; |
| 6684 | } |
| 6685 | |
| 6686 | csr_ll_lock(pList); |
| 6687 | if (!csr_ll_is_list_empty(pList, LL_ACCESS_NOLOCK)) { |
| 6688 | pEntry = csr_ll_peek_head(pList, LL_ACCESS_NOLOCK); |
| 6689 | /* |
| 6690 | * Have to make sure we don't loop back to the head of the list, |
| 6691 | * which will happen if the entry is NOT on the list... |
| 6692 | */ |
| 6693 | while (pEntry) { |
| 6694 | pEntryToRemove = pEntry; |
| 6695 | pEntry = csr_ll_next(pList, pEntry, LL_ACCESS_NOLOCK); |
| 6696 | pCommand = GET_BASE_ADDR(pEntryToRemove, tSmeCmd, Link); |
| 6697 | /* Remove that entry only that matches cmd type */ |
| 6698 | if (pCommand->command == commandType && |
| 6699 | csr_ll_remove_entry(pList, pEntryToRemove, |
| 6700 | LL_ACCESS_NOLOCK)) { |
| 6701 | csr_ll_insert_tail(&localList, pEntryToRemove, |
| 6702 | LL_ACCESS_NOLOCK); |
| 6703 | } |
| 6704 | } |
| 6705 | } |
| 6706 | csr_ll_unlock(pList); |
| 6707 | |
| 6708 | while ((pEntry = csr_ll_remove_head(&localList, LL_ACCESS_NOLOCK))) { |
| 6709 | pCommand = GET_BASE_ADDR(pEntry, tSmeCmd, Link); |
| 6710 | csr_abort_command(pMac, pCommand, false); |
| 6711 | } |
| 6712 | csr_ll_close(&localList); |
| 6713 | |
| 6714 | } |
| 6715 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6716 | QDF_STATUS csr_scan_abort_scan_for_ssid(tpAniSirGlobal pMac, uint32_t sessionId) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6717 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6718 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6719 | |
| 6720 | pMac->scan.fDropScanCmd = true; |
| 6721 | csr_remove_scan_for_ssid_from_pending_list(pMac, |
| 6722 | &pMac->sme.smeScanCmdPendingList, sessionId); |
| 6723 | pMac->scan.fDropScanCmd = false; |
| 6724 | csr_abort_scan_from_active_list(pMac, &pMac->sme.smeScanCmdActiveList, |
| 6725 | sessionId, eSmeCommandScan, eCSR_SCAN_ABORT_SSID_ONLY); |
| 6726 | return status; |
| 6727 | } |
| 6728 | |
| 6729 | void csr_remove_scan_for_ssid_from_pending_list(tpAniSirGlobal pMac, |
| 6730 | tDblLinkList *pList, |
| 6731 | uint32_t sessionId) |
| 6732 | { |
| 6733 | tDblLinkList localList; |
| 6734 | tListElem *pEntry; |
| 6735 | tSmeCmd *pCommand; |
| 6736 | tListElem *pEntryToRemove; |
| 6737 | |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 6738 | qdf_mem_zero(&localList, sizeof(tDblLinkList)); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6739 | if (!QDF_IS_STATUS_SUCCESS(csr_ll_open(pMac->hHdd, &localList))) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6740 | sms_log(pMac, LOGE, FL(" failed to open list")); |
| 6741 | return; |
| 6742 | } |
| 6743 | csr_ll_lock(pList); |
| 6744 | if (!csr_ll_is_list_empty(pList, LL_ACCESS_NOLOCK)) { |
| 6745 | pEntry = csr_ll_peek_head(pList, LL_ACCESS_NOLOCK); |
| 6746 | /* |
| 6747 | * Have to make sure we don't loop back to the head of the list, |
| 6748 | * which will happen if the entry is NOT on the list... |
| 6749 | */ |
| 6750 | while (pEntry) { |
| 6751 | pEntryToRemove = pEntry; |
| 6752 | pEntry = csr_ll_next(pList, pEntry, LL_ACCESS_NOLOCK); |
| 6753 | pCommand = GET_BASE_ADDR(pEntryToRemove, tSmeCmd, Link); |
| 6754 | |
| 6755 | if (!((eSmeCommandScan == pCommand->command) && |
| 6756 | (sessionId == pCommand->sessionId))) |
| 6757 | continue; |
| 6758 | if (eCsrScanForSsid != pCommand->u.scanCmd.reason) |
| 6759 | continue; |
| 6760 | /* Remove that entry only */ |
| 6761 | if (csr_ll_remove_entry(pList, pEntryToRemove, |
| 6762 | LL_ACCESS_NOLOCK)) { |
| 6763 | csr_ll_insert_tail(&localList, pEntryToRemove, |
| 6764 | LL_ACCESS_NOLOCK); |
| 6765 | } |
| 6766 | } |
| 6767 | } |
| 6768 | csr_ll_unlock(pList); |
| 6769 | while ((pEntry = csr_ll_remove_head(&localList, LL_ACCESS_NOLOCK))) { |
| 6770 | pCommand = GET_BASE_ADDR(pEntry, tSmeCmd, Link); |
| 6771 | csr_abort_command(pMac, pCommand, false); |
| 6772 | } |
| 6773 | csr_ll_close(&localList); |
| 6774 | } |
| 6775 | |
| 6776 | |
| 6777 | /** |
| 6778 | * csr_send_scan_abort() - Sends scan abort command to firmware |
| 6779 | * @mac_ctx: Pointer to Global Mac structure |
| 6780 | * @session_id: CSR session identification |
| 6781 | * @scan_id: scan identifier |
| 6782 | * |
| 6783 | * .Sends scan abort command to firmware |
| 6784 | * |
| 6785 | * Return: None |
| 6786 | */ |
| 6787 | static void csr_send_scan_abort(tpAniSirGlobal mac_ctx, |
| 6788 | uint32_t session_id, uint32_t scan_id) |
| 6789 | { |
| 6790 | tSirSmeScanAbortReq *msg; |
| 6791 | uint16_t msg_len; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6792 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6793 | |
| 6794 | msg_len = (uint16_t)(sizeof(tSirSmeScanAbortReq)); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 6795 | msg = qdf_mem_malloc(msg_len); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6796 | if (NULL == msg) { |
| 6797 | sms_log(mac_ctx, LOGE, |
| 6798 | FL("Failed to alloc memory for SmeScanAbortReq")); |
| 6799 | return; |
| 6800 | } |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 6801 | qdf_mem_zero((void *)msg, msg_len); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6802 | msg->type = eWNI_SME_SCAN_ABORT_IND; |
| 6803 | msg->msgLen = msg_len; |
| 6804 | msg->sessionId = session_id; |
| 6805 | msg->scan_id = scan_id; |
| 6806 | sms_log(mac_ctx, LOG2, |
| 6807 | FL("Abort scan sent to Firmware scan_id %d session %d"), |
| 6808 | scan_id, session_id); |
| 6809 | status = cds_send_mb_message_to_mac(msg); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6810 | if (!QDF_IS_STATUS_SUCCESS(status)) { |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 6811 | qdf_mem_free(msg); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6812 | sms_log(mac_ctx, LOGE, |
| 6813 | FL("Failed to send abort scan.scan_id %d session %d"), |
| 6814 | scan_id, session_id); |
| 6815 | } |
| 6816 | return; |
| 6817 | } |
| 6818 | |
| 6819 | /** |
| 6820 | * csr_abort_scan_from_active_list() - Remove Scan command from active list |
| 6821 | * @mac_ctx: Pointer to Global Mac structure |
| 6822 | * @list: pointer to scan active list |
| 6823 | * @session_id: CSR session identification |
| 6824 | * @scan_cmd_type: scan command type |
| 6825 | * @abort_reason: abort reason |
| 6826 | * |
| 6827 | * .Remove Scan command from active scan list |
| 6828 | * |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6829 | * Return: Success - QDF_STATUS_SUCCESS, Failure - error number |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6830 | */ |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6831 | QDF_STATUS csr_abort_scan_from_active_list(tpAniSirGlobal mac_ctx, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6832 | tDblLinkList *list, uint32_t session_id, |
| 6833 | eSmeCommandType scan_cmd_type, eCsrAbortReason abort_reason) |
| 6834 | { |
| 6835 | tListElem *entry; |
| 6836 | tSmeCmd *cmd; |
| 6837 | tListElem *entry_remove; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6838 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6839 | |
| 6840 | csr_ll_lock(list); |
| 6841 | if (!csr_ll_is_list_empty(list, LL_ACCESS_NOLOCK)) { |
| 6842 | entry = csr_ll_peek_head(list, LL_ACCESS_NOLOCK); |
| 6843 | while (entry) { |
| 6844 | entry_remove = entry; |
| 6845 | entry = csr_ll_next(list, entry, LL_ACCESS_NOLOCK); |
| 6846 | cmd = GET_BASE_ADDR(entry_remove, tSmeCmd, Link); |
| 6847 | |
| 6848 | /* Skip if command and session id not matched */ |
| 6849 | if (!((scan_cmd_type == cmd->command) && |
| 6850 | (session_id == cmd->sessionId))) |
| 6851 | continue; |
| 6852 | /*skip if abort reason is for SSID*/ |
| 6853 | if ((abort_reason == eCSR_SCAN_ABORT_SSID_ONLY) && |
| 6854 | (eCsrScanForSsid != cmd->u.scanCmd.reason)) |
| 6855 | continue; |
| 6856 | if (abort_reason == eCSR_SCAN_ABORT_DUE_TO_BAND_CHANGE) |
| 6857 | cmd->u.scanCmd.abortScanDueToBandChange = |
| 6858 | true; |
| 6859 | csr_send_scan_abort(mac_ctx, cmd->sessionId, |
| 6860 | cmd->u.scanCmd.scanID); |
| 6861 | } |
| 6862 | } |
| 6863 | csr_ll_unlock(list); |
| 6864 | |
| 6865 | return status; |
| 6866 | } |
| 6867 | |
| 6868 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6869 | QDF_STATUS csr_scan_abort_mac_scan_not_for_connect(tpAniSirGlobal pMac, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6870 | uint8_t sessionId) |
| 6871 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6872 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6873 | if (!csr_is_scan_for_roam_command_active(pMac)) { |
| 6874 | /* |
| 6875 | * Only abort the scan if it is not used for other roam/connect |
| 6876 | * purpose |
| 6877 | */ |
| 6878 | status = csr_scan_abort_mac_scan(pMac, sessionId, |
| 6879 | eCSR_SCAN_ABORT_DEFAULT); |
| 6880 | } |
| 6881 | return status; |
| 6882 | } |
| 6883 | bool csr_roam_is_valid_channel(tpAniSirGlobal pMac, uint8_t channel) |
| 6884 | { |
| 6885 | bool fValid = false; |
| 6886 | uint32_t idx_valid_ch; |
| 6887 | uint32_t len = pMac->roam.numValidChannels; |
| 6888 | |
| 6889 | for (idx_valid_ch = 0; (idx_valid_ch < len); idx_valid_ch++) { |
| 6890 | if (channel == pMac->roam.validChannelList[idx_valid_ch]) { |
| 6891 | fValid = true; |
| 6892 | break; |
| 6893 | } |
| 6894 | } |
| 6895 | return fValid; |
| 6896 | } |
| 6897 | |
| 6898 | #ifdef FEATURE_WLAN_SCAN_PNO |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6899 | QDF_STATUS csr_scan_save_preferred_network_found(tpAniSirGlobal pMac, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6900 | tSirPrefNetworkFoundInd * |
| 6901 | pPrefNetworkFoundInd) |
| 6902 | { |
| 6903 | uint32_t uLen = 0; |
| 6904 | tpSirProbeRespBeacon parsed_frm; |
| 6905 | tCsrScanResult *pScanResult = NULL; |
| 6906 | tSirBssDescription *pBssDescr = NULL; |
| 6907 | bool fDupBss; |
| 6908 | tDot11fBeaconIEs *local_ie = NULL; |
| 6909 | tAniSSID tmpSsid; |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 6910 | unsigned long timer = 0; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6911 | QDF_STATUS status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6912 | |
| 6913 | tpSirMacMgmtHdr macHeader = |
| 6914 | (tpSirMacMgmtHdr) pPrefNetworkFoundInd->data; |
| 6915 | parsed_frm = |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 6916 | (tpSirProbeRespBeacon) qdf_mem_malloc(sizeof(tSirProbeRespBeacon)); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6917 | |
| 6918 | if (NULL == parsed_frm) { |
| 6919 | sms_log(pMac, LOGE, FL("fail to allocate memory for frame")); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6920 | return QDF_STATUS_E_NOMEM; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6921 | } |
| 6922 | if (pPrefNetworkFoundInd->frameLength <= SIR_MAC_HDR_LEN_3A) { |
| 6923 | sms_log(pMac, LOGE, |
| 6924 | FL("Incorrect len(%d)"), |
| 6925 | pPrefNetworkFoundInd->frameLength); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 6926 | qdf_mem_free(parsed_frm); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6927 | return QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6928 | } |
| 6929 | if (sir_convert_probe_frame2_struct(pMac, |
| 6930 | &pPrefNetworkFoundInd->data[SIR_MAC_HDR_LEN_3A], |
| 6931 | pPrefNetworkFoundInd->frameLength - SIR_MAC_HDR_LEN_3A, |
| 6932 | parsed_frm) != eSIR_SUCCESS |
| 6933 | || !parsed_frm->ssidPresent) { |
| 6934 | sms_log(pMac, LOGE, FL("Parse error ProbeResponse, length=%d"), |
| 6935 | pPrefNetworkFoundInd->frameLength); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 6936 | qdf_mem_free(parsed_frm); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6937 | return QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6938 | } |
| 6939 | /* 24 byte MAC header and 12 byte to ssid IE */ |
| 6940 | if (pPrefNetworkFoundInd->frameLength > |
| 6941 | (SIR_MAC_HDR_LEN_3A + SIR_MAC_B_PR_SSID_OFFSET)) { |
| 6942 | uLen = pPrefNetworkFoundInd->frameLength - |
| 6943 | (SIR_MAC_HDR_LEN_3A + SIR_MAC_B_PR_SSID_OFFSET); |
| 6944 | } |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 6945 | pScanResult = qdf_mem_malloc(sizeof(tCsrScanResult) + uLen); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6946 | if (NULL == pScanResult) { |
| 6947 | sms_log(pMac, LOGE, FL("fail to allocate memory for frame")); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 6948 | qdf_mem_free(parsed_frm); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 6949 | return QDF_STATUS_E_NOMEM; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6950 | } |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 6951 | qdf_mem_set(pScanResult, sizeof(tCsrScanResult) + uLen, 0); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6952 | pBssDescr = &pScanResult->Result.BssDescriptor; |
| 6953 | /* |
| 6954 | * Length of BSS desription is without length of length itself and |
| 6955 | * length of pointer that holds the next BSS description |
| 6956 | */ |
| 6957 | pBssDescr->length = (uint16_t) (sizeof(tSirBssDescription) - |
| 6958 | sizeof(uint16_t) - sizeof(uint32_t) + uLen); |
| 6959 | if (parsed_frm->dsParamsPresent) |
| 6960 | pBssDescr->channelId = parsed_frm->channelNumber; |
| 6961 | else if (parsed_frm->HTInfo.present) |
| 6962 | pBssDescr->channelId = parsed_frm->HTInfo.primaryChannel; |
| 6963 | else |
| 6964 | pBssDescr->channelId = parsed_frm->channelNumber; |
| 6965 | |
| 6966 | if ((pBssDescr->channelId > 0) && (pBssDescr->channelId < 15)) { |
| 6967 | int i; |
| 6968 | /* 11b or 11g packet */ |
| 6969 | /* 11g iff extended Rate IE is present or */ |
| 6970 | /* if there is an A rate in suppRate IE */ |
| 6971 | for (i = 0; i < parsed_frm->supportedRates.numRates; i++) { |
| 6972 | if (sirIsArate(parsed_frm->supportedRates.rate[i] |
| 6973 | & 0x7f)) { |
| 6974 | pBssDescr->nwType = eSIR_11G_NW_TYPE; |
| 6975 | break; |
| 6976 | } |
| 6977 | } |
| 6978 | if (parsed_frm->extendedRatesPresent) |
| 6979 | pBssDescr->nwType = eSIR_11G_NW_TYPE; |
| 6980 | } else { |
| 6981 | /* 11a packet */ |
| 6982 | pBssDescr->nwType = eSIR_11A_NW_TYPE; |
| 6983 | } |
| 6984 | pBssDescr->sinr = 0; |
| 6985 | pBssDescr->rssi = -1 * pPrefNetworkFoundInd->rssi; |
| 6986 | pBssDescr->beaconInterval = parsed_frm->beaconInterval; |
| 6987 | if (!pBssDescr->beaconInterval) { |
| 6988 | sms_log(pMac, LOGW, FL("Bcn Interval is Zero , default to 100" |
| 6989 | MAC_ADDRESS_STR), MAC_ADDR_ARRAY(pBssDescr->bssId)); |
| 6990 | pBssDescr->beaconInterval = 100; |
| 6991 | } |
| 6992 | pBssDescr->timeStamp[0] = parsed_frm->timeStamp[0]; |
| 6993 | pBssDescr->timeStamp[1] = parsed_frm->timeStamp[1]; |
| 6994 | pBssDescr->capabilityInfo = *((uint16_t *)&parsed_frm->capabilityInfo); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 6995 | qdf_mem_copy((uint8_t *) &pBssDescr->bssId, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6996 | (uint8_t *) macHeader->bssId, sizeof(tSirMacAddr)); |
Anurag Chouhan | 210db07 | 2016-02-22 18:42:15 +0530 | [diff] [blame] | 6997 | pBssDescr->nReceivedTime = (uint32_t) qdf_mc_timer_get_system_ticks(); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 6998 | sms_log(pMac, LOG2, FL("Bssid= "MAC_ADDRESS_STR" chan= %d, rssi = %d"), |
| 6999 | MAC_ADDR_ARRAY(pBssDescr->bssId), pBssDescr->channelId, |
| 7000 | pBssDescr->rssi); |
| 7001 | /* IEs */ |
| 7002 | if (uLen) { |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 7003 | qdf_mem_copy(&pBssDescr->ieFields, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7004 | pPrefNetworkFoundInd->data + (SIR_MAC_HDR_LEN_3A + |
| 7005 | SIR_MAC_B_PR_SSID_OFFSET), uLen); |
| 7006 | } |
| 7007 | local_ie = (tDot11fBeaconIEs *) (pScanResult->Result.pvIes); |
| 7008 | status = csr_get_parsed_bss_description_ies(pMac, |
| 7009 | &pScanResult->Result.BssDescriptor, &local_ie); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 7010 | if (!(local_ie || QDF_IS_STATUS_SUCCESS(status))) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7011 | sms_log(pMac, LOGE, FL("Cannot parse IEs")); |
| 7012 | csr_free_scan_result_entry(pMac, pScanResult); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 7013 | qdf_mem_free(parsed_frm); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 7014 | return QDF_STATUS_E_RESOURCES; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7015 | } |
| 7016 | |
| 7017 | fDupBss = csr_remove_dup_bss_description(pMac, |
| 7018 | &pScanResult->Result.BssDescriptor, |
| 7019 | local_ie, &tmpSsid, &timer, false); |
| 7020 | /* Check whether we have reach out limit */ |
| 7021 | if (CSR_SCAN_IS_OVER_BSS_LIMIT(pMac)) { |
| 7022 | /* Limit reach */ |
| 7023 | sms_log(pMac, LOGE, FL("BSS limit reached")); |
| 7024 | /* Free the resources */ |
| 7025 | if ((pScanResult->Result.pvIes == NULL) && local_ie) |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 7026 | qdf_mem_free(local_ie); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7027 | csr_free_scan_result_entry(pMac, pScanResult); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 7028 | qdf_mem_free(parsed_frm); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 7029 | return QDF_STATUS_E_RESOURCES; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7030 | } |
Nalla Kartheek | 4fc5715 | 2016-09-05 15:57:49 +0530 | [diff] [blame] | 7031 | |
| 7032 | if ((SIR_MAC_MGMT_FRAME == macHeader->fc.type) && |
| 7033 | (SIR_MAC_MGMT_PROBE_RSP == macHeader->fc.subType)) |
| 7034 | pScanResult->Result.BssDescriptor.fProbeRsp = 1; |
| 7035 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7036 | /* Add to scan cache */ |
| 7037 | csr_scan_add_result(pMac, pScanResult, local_ie, |
| 7038 | pPrefNetworkFoundInd->sessionId); |
| 7039 | |
| 7040 | if ((pScanResult->Result.pvIes == NULL) && local_ie) |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 7041 | qdf_mem_free(local_ie); |
| 7042 | qdf_mem_free(parsed_frm); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 7043 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7044 | } |
| 7045 | #endif /* FEATURE_WLAN_SCAN_PNO */ |
| 7046 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7047 | void csr_init_occupied_channels_list(tpAniSirGlobal pMac, uint8_t sessionId) |
| 7048 | { |
| 7049 | tListElem *pEntry = NULL; |
| 7050 | tCsrScanResult *pBssDesc = NULL; |
| 7051 | tDot11fBeaconIEs *pIes = NULL; |
| 7052 | tpCsrNeighborRoamControlInfo pNeighborRoamInfo = |
| 7053 | &pMac->roam.neighborRoamInfo[sessionId]; |
| 7054 | |
| 7055 | if (0 != pNeighborRoamInfo->cfgParams.channelInfo.numOfChannels) { |
| 7056 | /* |
| 7057 | * Ini file contains neighbor scan channel list, hence NO need |
| 7058 | * to build occupied channel list" |
| 7059 | */ |
| 7060 | sms_log(pMac, LOG1, FL("Ini contains neighbor scan ch list")); |
| 7061 | return; |
| 7062 | } |
| 7063 | |
| 7064 | if (!csr_neighbor_roam_is_new_connected_profile(pMac, sessionId)) { |
| 7065 | /* |
| 7066 | * Do not flush occupied list since current roam profile matches |
| 7067 | * previous |
| 7068 | */ |
| 7069 | sms_log(pMac, LOG2, FL("Current roam profile matches prev")); |
| 7070 | return; |
| 7071 | } |
| 7072 | |
| 7073 | /* Empty occupied channels here */ |
| 7074 | pMac->scan.occupiedChannels[sessionId].numChannels = 0; |
Kapil Gupta | 0a2477b | 2016-08-23 18:00:34 +0530 | [diff] [blame] | 7075 | pMac->scan.roam_candidate_count[sessionId] = 0; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7076 | |
| 7077 | csr_ll_lock(&pMac->scan.scanResultList); |
| 7078 | pEntry = csr_ll_peek_head(&pMac->scan.scanResultList, LL_ACCESS_NOLOCK); |
| 7079 | while (pEntry) { |
| 7080 | pBssDesc = GET_BASE_ADDR(pEntry, tCsrScanResult, Link); |
| 7081 | pIes = (tDot11fBeaconIEs *) (pBssDesc->Result.pvIes); |
| 7082 | /* At this time, pBssDescription->Result.pvIes may be NULL */ |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 7083 | if (!pIes && !QDF_IS_STATUS_SUCCESS( |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7084 | csr_get_parsed_bss_description_ies(pMac, |
| 7085 | &pBssDesc->Result.BssDescriptor, &pIes))) |
| 7086 | continue; |
| 7087 | csr_scan_add_to_occupied_channels(pMac, pBssDesc, sessionId, |
Kapil Gupta | 0a2477b | 2016-08-23 18:00:34 +0530 | [diff] [blame] | 7088 | &pMac->scan.occupiedChannels[sessionId], pIes, |
| 7089 | true); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7090 | /* |
| 7091 | * Free the memory allocated for pIes in |
| 7092 | * csr_get_parsed_bss_description_ies |
| 7093 | */ |
| 7094 | if ((pBssDesc->Result.pvIes == NULL) && pIes) |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 7095 | qdf_mem_free(pIes); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7096 | pEntry = csr_ll_next(&pMac->scan.scanResultList, pEntry, |
| 7097 | LL_ACCESS_NOLOCK); |
| 7098 | } /* while */ |
| 7099 | csr_ll_unlock(&pMac->scan.scanResultList); |
| 7100 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7101 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 7102 | QDF_STATUS csr_scan_create_entry_in_scan_cache(tpAniSirGlobal pMac, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7103 | uint32_t sessionId, |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 7104 | struct qdf_mac_addr bssid, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7105 | uint8_t channel) |
| 7106 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 7107 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7108 | tDot11fBeaconIEs *pNewIes = NULL; |
| 7109 | tCsrRoamSession *pSession = CSR_GET_SESSION(pMac, sessionId); |
| 7110 | tSirBssDescription *pNewBssDescriptor = NULL; |
| 7111 | uint32_t size = 0; |
| 7112 | |
| 7113 | if (NULL == pSession) { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 7114 | status = QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7115 | return status; |
| 7116 | } |
| 7117 | sms_log(pMac, LOG2, FL("Current bssid::"MAC_ADDRESS_STR), |
| 7118 | MAC_ADDR_ARRAY(pSession->pConnectBssDesc->bssId)); |
| 7119 | sms_log(pMac, LOG2, FL("My bssid::"MAC_ADDRESS_STR" channel %d"), |
| 7120 | MAC_ADDR_ARRAY(bssid.bytes), channel); |
| 7121 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 7122 | if (!QDF_IS_STATUS_SUCCESS(csr_get_parsed_bss_description_ies( |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7123 | pMac, pSession->pConnectBssDesc, |
| 7124 | &pNewIes))) { |
| 7125 | sms_log(pMac, LOGE, FL("Failed to parse IEs")); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 7126 | status = QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7127 | goto free_mem; |
| 7128 | } |
| 7129 | size = pSession->pConnectBssDesc->length + |
| 7130 | sizeof(pSession->pConnectBssDesc->length); |
| 7131 | if (!size) { |
| 7132 | sms_log(pMac, LOGE, FL("length of bss descriptor is 0")); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 7133 | status = QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7134 | goto free_mem; |
| 7135 | } |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 7136 | pNewBssDescriptor = qdf_mem_malloc(size); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7137 | if (NULL == pNewBssDescriptor) { |
| 7138 | sms_log(pMac, LOGE, FL("memory allocation failed")); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 7139 | status = QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7140 | goto free_mem; |
| 7141 | } |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 7142 | qdf_mem_copy(pNewBssDescriptor, pSession->pConnectBssDesc, size); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7143 | /* change the BSSID & channel as passed */ |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 7144 | qdf_mem_copy(pNewBssDescriptor->bssId, bssid.bytes, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7145 | sizeof(tSirMacAddr)); |
| 7146 | pNewBssDescriptor->channelId = channel; |
| 7147 | if (NULL == csr_scan_append_bss_description(pMac, pNewBssDescriptor, |
| 7148 | pNewIes, true, sessionId)) { |
| 7149 | sms_log(pMac, LOGE, |
| 7150 | FL("csr_scan_append_bss_description failed")); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 7151 | status = QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7152 | goto free_mem; |
| 7153 | } |
| 7154 | sms_log(pMac, LOGE, FL("entry successfully added in scan cache")); |
| 7155 | |
| 7156 | free_mem: |
| 7157 | if (pNewIes) { |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 7158 | qdf_mem_free(pNewIes); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7159 | } |
| 7160 | if (pNewBssDescriptor) { |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 7161 | qdf_mem_free(pNewBssDescriptor); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7162 | } |
| 7163 | return status; |
| 7164 | } |
| 7165 | |
| 7166 | #ifdef FEATURE_WLAN_ESE |
| 7167 | /* Update the TSF with the difference in system time */ |
| 7168 | void update_cckmtsf(uint32_t *timeStamp0, uint32_t *timeStamp1, |
| 7169 | uint32_t *incr) |
| 7170 | { |
| 7171 | uint64_t timeStamp64 = ((uint64_t) *timeStamp1 << 32) | (*timeStamp0); |
| 7172 | timeStamp64 = (uint64_t) (timeStamp64 + (uint64_t) *incr); |
| 7173 | *timeStamp0 = (uint32_t) (timeStamp64 & 0xffffffff); |
| 7174 | *timeStamp1 = (uint32_t) ((timeStamp64 >> 32) & 0xffffffff); |
| 7175 | } |
| 7176 | #endif |
| 7177 | |
| 7178 | /** |
| 7179 | * csr_scan_save_roam_offload_ap_to_scan_cache |
| 7180 | * This function parses the received beacon/probe response |
| 7181 | * from the firmware as part of the roam synch indication. |
| 7182 | * The beacon or the probe response is parsed and is also |
| 7183 | * saved into the scan cache |
| 7184 | * |
| 7185 | * @param pMac Pointer to Global Mac |
| 7186 | * @param roam_sync_ind_ptr Roam Synch Indication from |
| 7187 | * firmware which also contains the beacon/probe |
| 7188 | * response |
| 7189 | * @return Status |
| 7190 | */ |
| 7191 | #ifdef WLAN_FEATURE_ROAM_OFFLOAD |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 7192 | QDF_STATUS csr_scan_save_roam_offload_ap_to_scan_cache(tpAniSirGlobal pMac, |
Varun Reddy Yeturu | d5939f8 | 2015-12-24 18:14:02 -0800 | [diff] [blame] | 7193 | roam_offload_synch_ind *roam_sync_ind_ptr, |
| 7194 | tpSirBssDescription bss_desc_ptr) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7195 | { |
| 7196 | uint32_t length = 0; |
| 7197 | bool dup_bss; |
| 7198 | tDot11fBeaconIEs *ies_local_ptr = NULL; |
| 7199 | tAniSSID tmpSsid; |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 7200 | unsigned long timer = 0; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7201 | tCsrScanResult *scan_res_ptr = NULL; |
| 7202 | uint8_t session_id = roam_sync_ind_ptr->roamedVdevId; |
| 7203 | |
| 7204 | length = roam_sync_ind_ptr->beaconProbeRespLength - |
| 7205 | (SIR_MAC_HDR_LEN_3A + SIR_MAC_B_PR_SSID_OFFSET); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 7206 | scan_res_ptr = qdf_mem_malloc(sizeof(tCsrScanResult) + length); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7207 | if (scan_res_ptr == NULL) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 7208 | QDF_TRACE(QDF_MODULE_ID_SME, QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7209 | " fail to allocate memory for frame"); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 7210 | return QDF_STATUS_E_NOMEM; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7211 | } |
| 7212 | |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 7213 | qdf_mem_zero(scan_res_ptr, sizeof(tCsrScanResult) + length); |
| 7214 | qdf_mem_copy(&scan_res_ptr->Result.BssDescriptor, |
Varun Reddy Yeturu | d5939f8 | 2015-12-24 18:14:02 -0800 | [diff] [blame] | 7215 | bss_desc_ptr, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7216 | (sizeof(tSirBssDescription) + length)); |
| 7217 | ies_local_ptr = (tDot11fBeaconIEs *)(scan_res_ptr->Result.pvIes); |
| 7218 | if (!ies_local_ptr && |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 7219 | (!QDF_IS_STATUS_SUCCESS(csr_get_parsed_bss_description_ies( |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7220 | pMac, &scan_res_ptr->Result. |
| 7221 | BssDescriptor, |
| 7222 | &ies_local_ptr)))) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 7223 | QDF_TRACE(QDF_MODULE_ID_SME, QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7224 | "%s:Cannot Parse IEs", __func__); |
| 7225 | csr_free_scan_result_entry(pMac, scan_res_ptr); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 7226 | return QDF_STATUS_E_RESOURCES; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7227 | } |
| 7228 | |
| 7229 | dup_bss = csr_remove_dup_bss_description(pMac, |
| 7230 | &scan_res_ptr->Result.BssDescriptor, |
| 7231 | ies_local_ptr, &tmpSsid, &timer, true); |
| 7232 | if (CSR_SCAN_IS_OVER_BSS_LIMIT(pMac)) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 7233 | QDF_TRACE(QDF_MODULE_ID_SME, QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7234 | "%s:BSS Limit Exceed", __func__); |
| 7235 | if ((scan_res_ptr->Result.pvIes == NULL) && ies_local_ptr) |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 7236 | qdf_mem_free(ies_local_ptr); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7237 | |
| 7238 | csr_free_scan_result_entry(pMac, scan_res_ptr); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 7239 | return QDF_STATUS_E_RESOURCES; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7240 | } |
| 7241 | csr_scan_add_result(pMac, scan_res_ptr, ies_local_ptr, session_id); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 7242 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7243 | } |
| 7244 | #endif |
| 7245 | |
| 7246 | /** |
| 7247 | * csr_get_bssdescr_from_scan_handle() - This function to extract |
| 7248 | * first bss description from scan handle |
| 7249 | * @result_handle: an object for the result. |
| 7250 | * |
| 7251 | * This function is written to extract first bss from scan handle. |
| 7252 | * |
| 7253 | * Return: first bss descriptor from the scan handle. |
| 7254 | */ |
| 7255 | tSirBssDescription* |
| 7256 | csr_get_bssdescr_from_scan_handle(tScanResultHandle result_handle, |
| 7257 | tSirBssDescription *bss_descr) |
| 7258 | { |
| 7259 | tListElem *first_element = NULL; |
| 7260 | tCsrScanResult *scan_result = NULL; |
| 7261 | tScanResultList *bss_list = (tScanResultList *)result_handle; |
| 7262 | |
| 7263 | if (NULL == bss_list) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 7264 | QDF_TRACE(QDF_MODULE_ID_SME, QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7265 | FL("Empty bss_list")); |
| 7266 | return NULL; |
| 7267 | } |
| 7268 | if (csr_ll_is_list_empty(&bss_list->List, LL_ACCESS_NOLOCK)) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 7269 | QDF_TRACE(QDF_MODULE_ID_SME, QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7270 | FL("bss_list->List is empty")); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 7271 | qdf_mem_free(bss_list); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7272 | return NULL; |
| 7273 | } |
| 7274 | first_element = csr_ll_peek_head(&bss_list->List, LL_ACCESS_NOLOCK); |
| 7275 | if (first_element) { |
| 7276 | scan_result = GET_BASE_ADDR(first_element, |
| 7277 | tCsrScanResult, |
| 7278 | Link); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 7279 | qdf_mem_copy(bss_descr, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7280 | &scan_result->Result.BssDescriptor, |
| 7281 | sizeof(tSirBssDescription)); |
| 7282 | } |
| 7283 | return bss_descr; |
| 7284 | } |
| 7285 | |
| 7286 | /** |
| 7287 | * scan_active_list_cmd_timeout_handle() - To handle scan active command timeout |
| 7288 | * @userData: scan context |
| 7289 | * |
| 7290 | * This routine is to handle scan active command timeout |
| 7291 | * |
| 7292 | * Return: None |
| 7293 | */ |
| 7294 | void csr_scan_active_list_timeout_handle(void *userData) |
| 7295 | { |
| 7296 | tSmeCmd *scan_cmd = (tSmeCmd *) userData; |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 7297 | tHalHandle *hal_ctx = cds_get_context(QDF_MODULE_ID_PE); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7298 | tpAniSirGlobal mac_ctx; |
| 7299 | uint16_t scan_id; |
| 7300 | tSirSmeScanAbortReq *msg; |
| 7301 | uint16_t msg_len; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 7302 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7303 | |
| 7304 | if (scan_cmd == NULL) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 7305 | QDF_TRACE(QDF_MODULE_ID_SME, QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7306 | FL("Scan Timeout: Scan command is NULL")); |
| 7307 | return; |
| 7308 | } |
Varun Reddy Yeturu | f76f6de | 2015-11-17 21:33:53 -0800 | [diff] [blame] | 7309 | if (hal_ctx == NULL) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 7310 | QDF_TRACE(QDF_MODULE_ID_SME, QDF_TRACE_LEVEL_ERROR, |
Varun Reddy Yeturu | f76f6de | 2015-11-17 21:33:53 -0800 | [diff] [blame] | 7311 | FL("HAL Context is NULL")); |
| 7312 | return; |
| 7313 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7314 | mac_ctx = PMAC_STRUCT(hal_ctx); |
| 7315 | scan_id = scan_cmd->u.scanCmd.scanID; |
| 7316 | sms_log(mac_ctx, LOGE, |
| 7317 | FL("Scan Timeout:Sending abort to Firmware ID %d session %d "), |
| 7318 | scan_id, scan_cmd->sessionId); |
| 7319 | msg_len = (uint16_t)(sizeof(tSirSmeScanAbortReq)); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 7320 | msg = qdf_mem_malloc(msg_len); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7321 | if (NULL == msg) { |
| 7322 | sms_log(mac_ctx, LOGE, |
| 7323 | FL("Failed to alloc memory for SmeScanAbortReq")); |
| 7324 | return; |
| 7325 | } |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 7326 | qdf_mem_zero((void *)msg, msg_len); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7327 | msg->type = eWNI_SME_SCAN_ABORT_IND; |
| 7328 | msg->msgLen = msg_len; |
| 7329 | msg->sessionId = scan_cmd->sessionId; |
| 7330 | msg->scan_id = scan_id; |
| 7331 | status = cds_send_mb_message_to_mac(msg); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 7332 | if (!QDF_IS_STATUS_SUCCESS(status)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7333 | sms_log(mac_ctx, LOGE, |
| 7334 | FL(" Failed to post message to LIM")); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 7335 | qdf_mem_free(msg); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7336 | } |
Sandeep puligilla | bf3280a | 2016-04-25 18:43:51 -0700 | [diff] [blame] | 7337 | csr_save_scan_results(mac_ctx, scan_cmd->u.scanCmd.reason, |
| 7338 | scan_cmd->sessionId); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 7339 | csr_release_scan_command(mac_ctx, scan_cmd, eCSR_SCAN_FAILURE); |
| 7340 | return; |
| 7341 | } |