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) 2012-2016 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 | * @file wlan_hdd_p2p.c |
| 31 | * |
| 32 | * @brief WLAN Host Device Driver implementation for P2P commands interface |
| 33 | * |
| 34 | */ |
| 35 | |
| 36 | #include <wlan_hdd_includes.h> |
| 37 | #include <wlan_hdd_hostapd.h> |
| 38 | #include <net/cfg80211.h> |
| 39 | #include "sme_api.h" |
| 40 | #include "sme_qos_api.h" |
| 41 | #include "wlan_hdd_p2p.h" |
| 42 | #include "sap_api.h" |
| 43 | #include "wlan_hdd_main.h" |
| 44 | #include "cdf_trace.h" |
| 45 | #include <linux/netdevice.h> |
| 46 | #include <linux/skbuff.h> |
| 47 | #include <linux/etherdevice.h> |
| 48 | #include <net/ieee80211_radiotap.h> |
| 49 | #include "wlan_hdd_tdls.h" |
| 50 | #include "wlan_hdd_trace.h" |
| 51 | #include "cdf_types.h" |
| 52 | #include "cdf_trace.h" |
| 53 | #include "cds_sched.h" |
| 54 | #include "cds_concurrency.h" |
| 55 | |
| 56 | /* Ms to Micro Sec */ |
| 57 | #define MS_TO_MUS(x) ((x) * 1000) |
| 58 | |
| 59 | static uint8_t *hdd_get_action_string(uint16_t MsgType) |
| 60 | { |
| 61 | switch (MsgType) { |
| 62 | CASE_RETURN_STRING(SIR_MAC_ACTION_SPECTRUM_MGMT); |
| 63 | CASE_RETURN_STRING(SIR_MAC_ACTION_QOS_MGMT); |
| 64 | CASE_RETURN_STRING(SIR_MAC_ACTION_DLP); |
| 65 | CASE_RETURN_STRING(SIR_MAC_ACTION_PUBLIC_USAGE); |
| 66 | CASE_RETURN_STRING(SIR_MAC_ACTION_RRM); |
| 67 | CASE_RETURN_STRING(SIR_MAC_ACTION_FAST_BSS_TRNST); |
| 68 | CASE_RETURN_STRING(SIR_MAC_ACTION_HT); |
| 69 | CASE_RETURN_STRING(SIR_MAC_ACTION_SA_QUERY); |
| 70 | CASE_RETURN_STRING(SIR_MAC_ACTION_PROT_DUAL_PUB); |
| 71 | CASE_RETURN_STRING(SIR_MAC_ACTION_WNM); |
| 72 | CASE_RETURN_STRING(SIR_MAC_ACTION_UNPROT_WNM); |
| 73 | CASE_RETURN_STRING(SIR_MAC_ACTION_TDLS); |
| 74 | CASE_RETURN_STRING(SIR_MAC_ACITON_MESH); |
| 75 | CASE_RETURN_STRING(SIR_MAC_ACTION_MHF); |
| 76 | CASE_RETURN_STRING(SIR_MAC_SELF_PROTECTED); |
| 77 | CASE_RETURN_STRING(SIR_MAC_ACTION_WME); |
| 78 | CASE_RETURN_STRING(SIR_MAC_ACTION_VHT); |
| 79 | default: |
| 80 | return "UNKNOWN"; |
| 81 | } |
| 82 | } |
| 83 | |
| 84 | #ifdef WLAN_FEATURE_P2P_DEBUG |
| 85 | #define MAX_P2P_ACTION_FRAME_TYPE 9 |
| 86 | const char *p2p_action_frame_type[] = { "GO Negotiation Request", |
| 87 | "GO Negotiation Response", |
| 88 | "GO Negotiation Confirmation", |
| 89 | "P2P Invitation Request", |
| 90 | "P2P Invitation Response", |
| 91 | "Device Discoverability Request", |
| 92 | "Device Discoverability Response", |
| 93 | "Provision Discovery Request", |
| 94 | "Provision Discovery Response"}; |
| 95 | |
| 96 | /* We no need to protect this variable since |
| 97 | * there is no chance of race to condition |
| 98 | * and also not make any complicating the code |
| 99 | * just for debugging log |
| 100 | */ |
| 101 | tP2PConnectionStatus global_p2p_connection_status = P2P_NOT_ACTIVE; |
| 102 | |
| 103 | #endif |
| 104 | #define MAX_TDLS_ACTION_FRAME_TYPE 11 |
| 105 | const char *tdls_action_frame_type[] = { "TDLS Setup Request", |
| 106 | "TDLS Setup Response", |
| 107 | "TDLS Setup Confirm", |
| 108 | "TDLS Teardown", |
| 109 | "TDLS Peer Traffic Indication", |
| 110 | "TDLS Channel Switch Request", |
| 111 | "TDLS Channel Switch Response", |
| 112 | "TDLS Peer PSM Request", |
| 113 | "TDLS Peer PSM Response", |
| 114 | "TDLS Peer Traffic Response", |
| 115 | "TDLS Discovery Request"}; |
| 116 | |
| 117 | static bool wlan_hdd_is_type_p2p_action(const u8 *buf) |
| 118 | { |
| 119 | const u8 *ouiPtr; |
| 120 | |
| 121 | if (buf[WLAN_HDD_PUBLIC_ACTION_FRAME_CATEGORY_OFFSET] != |
| 122 | WLAN_HDD_PUBLIC_ACTION_FRAME) { |
| 123 | return false; |
| 124 | } |
| 125 | |
| 126 | if (buf[WLAN_HDD_PUBLIC_ACTION_FRAME_ACTION_OFFSET] != |
| 127 | WLAN_HDD_VENDOR_SPECIFIC_ACTION) { |
| 128 | return false; |
| 129 | } |
| 130 | |
| 131 | ouiPtr = &buf[WLAN_HDD_PUBLIC_ACTION_FRAME_OUI_OFFSET]; |
| 132 | |
| 133 | if (WPA_GET_BE24(ouiPtr) != WLAN_HDD_WFA_OUI) { |
| 134 | return false; |
| 135 | } |
| 136 | |
| 137 | if (buf[WLAN_HDD_PUBLIC_ACTION_FRAME_OUI_TYPE_OFFSET] != |
| 138 | WLAN_HDD_WFA_P2P_OUI_TYPE) { |
| 139 | return false; |
| 140 | } |
| 141 | |
| 142 | return true; |
| 143 | } |
| 144 | |
| 145 | static bool hdd_p2p_is_action_type_rsp(const u8 *buf) |
| 146 | { |
| 147 | tActionFrmType actionFrmType; |
| 148 | |
| 149 | if (wlan_hdd_is_type_p2p_action(buf)) { |
| 150 | actionFrmType = |
| 151 | buf[WLAN_HDD_PUBLIC_ACTION_FRAME_SUB_TYPE_OFFSET]; |
| 152 | if (actionFrmType != WLAN_HDD_INVITATION_REQ |
| 153 | && actionFrmType != WLAN_HDD_GO_NEG_REQ |
| 154 | && actionFrmType != WLAN_HDD_DEV_DIS_REQ |
| 155 | && actionFrmType != WLAN_HDD_PROV_DIS_REQ) |
| 156 | return true; |
| 157 | } |
| 158 | |
| 159 | return false; |
| 160 | } |
| 161 | |
| 162 | static |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 163 | QDF_STATUS wlan_hdd_remain_on_channel_callback(tHalHandle hHal, void *pCtx, |
| 164 | QDF_STATUS status, uint32_t scan_id) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 165 | { |
| 166 | hdd_adapter_t *pAdapter = (hdd_adapter_t *) pCtx; |
| 167 | hdd_cfg80211_state_t *cfgState = WLAN_HDD_GET_CFG_STATE_PTR(pAdapter); |
| 168 | hdd_remain_on_chan_ctx_t *pRemainChanCtx; |
| 169 | hdd_context_t *hdd_ctx = WLAN_HDD_GET_CTX(pAdapter); |
| 170 | |
| 171 | if (!hdd_ctx) { |
| 172 | hdd_err("Invalid HDD context"); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 173 | return QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 174 | } |
| 175 | |
| 176 | mutex_lock(&cfgState->remain_on_chan_ctx_lock); |
| 177 | pRemainChanCtx = cfgState->remain_on_chan_ctx; |
| 178 | |
| 179 | if (pRemainChanCtx == NULL) { |
| 180 | mutex_unlock(&cfgState->remain_on_chan_ctx_lock); |
| 181 | hddLog(LOGW, |
| 182 | "%s: No Rem on channel pending for which Rsp is received", |
| 183 | __func__); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 184 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 185 | } |
| 186 | |
| 187 | hddLog(LOG1, "Received remain on channel rsp"); |
| 188 | cdf_mc_timer_stop(&pRemainChanCtx->hdd_remain_on_chan_timer); |
| 189 | cdf_mc_timer_destroy(&pRemainChanCtx->hdd_remain_on_chan_timer); |
| 190 | |
| 191 | cfgState->remain_on_chan_ctx = NULL; |
| 192 | /* |
| 193 | * Resetting the roc in progress early ensures that the subsequent |
| 194 | * roc requests are immediately processed without being queued |
| 195 | */ |
| 196 | pAdapter->is_roc_inprogress = false; |
| 197 | /* |
| 198 | * If the allow suspend is done later, the scheduled roc wil prevent |
| 199 | * the system from going into suspend and immediately this logic |
| 200 | * will allow the system to go to suspend breaking the exising logic. |
| 201 | * Basically, the system must not go into suspend while roc is in |
| 202 | * progress. |
| 203 | */ |
| 204 | hdd_allow_suspend(WIFI_POWER_EVENT_WAKELOCK_ROC); |
| 205 | mutex_unlock(&cfgState->remain_on_chan_ctx_lock); |
| 206 | |
| 207 | if (REMAIN_ON_CHANNEL_REQUEST == pRemainChanCtx->rem_on_chan_request) { |
| 208 | if (cfgState->buf) { |
| 209 | hddLog(LOGP, |
| 210 | "%s: We need to receive yet an ack from one of tx packet", |
| 211 | __func__); |
| 212 | } |
| 213 | cfg80211_remain_on_channel_expired( |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 214 | pRemainChanCtx->dev-> |
| 215 | ieee80211_ptr, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 216 | pRemainChanCtx-> |
| 217 | cookie, |
| 218 | &pRemainChanCtx->chan, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 219 | GFP_KERNEL); |
| 220 | pAdapter->last_roc_ts = cdf_mc_timer_get_system_time(); |
| 221 | } |
| 222 | |
| 223 | /* Schedule any pending RoC: Any new roc request during this time |
| 224 | * would have got queued in 'wlan_hdd_request_remain_on_channel' |
| 225 | * since the queue is not empty. So, the roc at the head of the |
| 226 | * queue will only get the priority. Scheduling the work queue |
| 227 | * after sending any cancel remain on channel event will also |
| 228 | * ensure that the cancel roc is sent without any delays. |
| 229 | */ |
| 230 | schedule_delayed_work(&hdd_ctx->roc_req_work, 0); |
| 231 | |
| 232 | if ((WLAN_HDD_INFRA_STATION == pAdapter->device_mode) || |
| 233 | (WLAN_HDD_P2P_CLIENT == pAdapter->device_mode) || |
| 234 | (WLAN_HDD_P2P_DEVICE == pAdapter->device_mode) |
| 235 | ) { |
| 236 | uint8_t sessionId = pAdapter->sessionId; |
| 237 | if (REMAIN_ON_CHANNEL_REQUEST == |
| 238 | pRemainChanCtx->rem_on_chan_request) { |
| 239 | sme_deregister_mgmt_frame(hHal, sessionId, |
| 240 | (SIR_MAC_MGMT_FRAME << 2) | |
| 241 | (SIR_MAC_MGMT_PROBE_REQ << 4), |
| 242 | NULL, 0); |
| 243 | } |
| 244 | } else if ((WLAN_HDD_SOFTAP == pAdapter->device_mode) || |
| 245 | (WLAN_HDD_P2P_GO == pAdapter->device_mode) |
| 246 | ) { |
| 247 | wlansap_de_register_mgmt_frame( |
| 248 | #ifdef WLAN_FEATURE_MBSSID |
| 249 | WLAN_HDD_GET_SAP_CTX_PTR |
| 250 | (pAdapter), |
| 251 | #else |
| 252 | (WLAN_HDD_GET_CTX |
| 253 | (pAdapter))->pcds_context, |
| 254 | #endif |
| 255 | (SIR_MAC_MGMT_FRAME << 2) | |
| 256 | (SIR_MAC_MGMT_PROBE_REQ << |
| 257 | 4), NULL, 0); |
| 258 | |
| 259 | } |
| 260 | |
| 261 | if (pRemainChanCtx->action_pkt_buff.frame_ptr != NULL |
| 262 | && pRemainChanCtx->action_pkt_buff.frame_length != 0) { |
| 263 | cdf_mem_free(pRemainChanCtx->action_pkt_buff.frame_ptr); |
| 264 | pRemainChanCtx->action_pkt_buff.frame_ptr = NULL; |
| 265 | pRemainChanCtx->action_pkt_buff.frame_length = 0; |
| 266 | } |
| 267 | cdf_mem_free(pRemainChanCtx); |
| 268 | complete(&pAdapter->cancel_rem_on_chan_var); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 269 | if (QDF_STATUS_SUCCESS != status) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 270 | complete(&pAdapter->rem_on_chan_ready_event); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 271 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 272 | } |
| 273 | |
| 274 | void wlan_hdd_cancel_existing_remain_on_channel(hdd_adapter_t *pAdapter) |
| 275 | { |
| 276 | hdd_cfg80211_state_t *cfgState = WLAN_HDD_GET_CFG_STATE_PTR(pAdapter); |
| 277 | hdd_remain_on_chan_ctx_t *pRemainChanCtx; |
| 278 | unsigned long rc; |
| 279 | |
| 280 | mutex_lock(&cfgState->remain_on_chan_ctx_lock); |
| 281 | if (cfgState->remain_on_chan_ctx != NULL) { |
| 282 | hddLog(LOGE, "Cancel Existing Remain on Channel"); |
| 283 | |
| 284 | if (CDF_TIMER_STATE_RUNNING == cdf_mc_timer_get_current_state( |
Anurag Chouhan | ffb2154 | 2016-02-17 14:33:03 +0530 | [diff] [blame] | 285 | &cfgState->remain_on_chan_ctx->hdd_remain_on_chan_timer)) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 286 | cdf_mc_timer_stop(&cfgState->remain_on_chan_ctx-> |
| 287 | hdd_remain_on_chan_timer); |
| 288 | |
| 289 | pRemainChanCtx = cfgState->remain_on_chan_ctx; |
| 290 | if (pRemainChanCtx->hdd_remain_on_chan_cancel_in_progress == |
| 291 | true) { |
| 292 | mutex_unlock(&cfgState->remain_on_chan_ctx_lock); |
| 293 | hddLog(LOGE, |
| 294 | "ROC timer cancellation in progress," |
| 295 | " wait for completion"); |
| 296 | rc = wait_for_completion_timeout(&pAdapter-> |
| 297 | cancel_rem_on_chan_var, |
| 298 | msecs_to_jiffies |
| 299 | (WAIT_CANCEL_REM_CHAN)); |
| 300 | if (!rc) { |
| 301 | hddLog(LOGE, |
| 302 | "%s:wait on cancel_rem_on_chan_var timed out", |
| 303 | __func__); |
| 304 | } |
| 305 | return; |
| 306 | } |
| 307 | pRemainChanCtx->hdd_remain_on_chan_cancel_in_progress = true; |
| 308 | mutex_unlock(&cfgState->remain_on_chan_ctx_lock); |
| 309 | /* Wait till remain on channel ready indication before issuing cancel |
| 310 | * remain on channel request, otherwise if remain on channel not |
| 311 | * received and if the driver issues cancel remain on channel then lim |
| 312 | * will be in unknown state. |
| 313 | */ |
| 314 | rc = wait_for_completion_timeout(&pAdapter-> |
| 315 | rem_on_chan_ready_event, |
| 316 | msecs_to_jiffies |
| 317 | (WAIT_REM_CHAN_READY)); |
| 318 | if (!rc) { |
| 319 | hddLog(LOGE, |
| 320 | "%s: timeout waiting for remain on channel ready indication", |
| 321 | __func__); |
| 322 | } |
| 323 | |
| 324 | INIT_COMPLETION(pAdapter->cancel_rem_on_chan_var); |
| 325 | |
| 326 | /* Issue abort remain on chan request to sme. |
| 327 | * The remain on channel callback will make sure the remain_on_chan |
| 328 | * expired event is sent. |
| 329 | */ |
| 330 | if ((WLAN_HDD_INFRA_STATION == pAdapter->device_mode) || |
| 331 | (WLAN_HDD_P2P_CLIENT == pAdapter->device_mode) || |
| 332 | (WLAN_HDD_P2P_DEVICE == pAdapter->device_mode) |
| 333 | ) { |
| 334 | sme_cancel_remain_on_channel(WLAN_HDD_GET_HAL_CTX |
| 335 | (pAdapter), |
| 336 | pAdapter->sessionId, |
| 337 | pRemainChanCtx->scan_id); |
| 338 | } else if ((WLAN_HDD_SOFTAP == pAdapter->device_mode) |
| 339 | || (WLAN_HDD_P2P_GO == pAdapter->device_mode) |
| 340 | ) { |
| 341 | wlansap_cancel_remain_on_channel( |
| 342 | #ifdef WLAN_FEATURE_MBSSID |
| 343 | WLAN_HDD_GET_SAP_CTX_PTR |
| 344 | (pAdapter), |
| 345 | #else |
| 346 | (WLAN_HDD_GET_CTX(pAdapter))->pcds_context, |
| 347 | #endif |
| 348 | pRemainChanCtx->scan_id); |
| 349 | } |
| 350 | |
| 351 | rc = wait_for_completion_timeout(&pAdapter-> |
| 352 | cancel_rem_on_chan_var, |
| 353 | msecs_to_jiffies |
| 354 | (WAIT_CANCEL_REM_CHAN)); |
| 355 | |
| 356 | if (!rc) { |
| 357 | hddLog(LOGE, |
| 358 | "%s: timeout waiting for cancel remain on channel ready" |
| 359 | " indication", __func__); |
| 360 | } |
| 361 | hdd_allow_suspend(WIFI_POWER_EVENT_WAKELOCK_ROC); |
| 362 | } else |
| 363 | mutex_unlock(&cfgState->remain_on_chan_ctx_lock); |
| 364 | } |
| 365 | |
| 366 | int wlan_hdd_check_remain_on_channel(hdd_adapter_t *pAdapter) |
| 367 | { |
| 368 | int status = 0; |
| 369 | hdd_cfg80211_state_t *cfgState = WLAN_HDD_GET_CFG_STATE_PTR(pAdapter); |
| 370 | |
| 371 | if (WLAN_HDD_P2P_GO != pAdapter->device_mode) { |
| 372 | /* Cancel Existing Remain On Channel */ |
| 373 | /* If no action frame is pending */ |
| 374 | if (cfgState->remain_on_chan_ctx != NULL) { |
| 375 | /* Check whether Action Frame is pending or not */ |
| 376 | if (cfgState->buf == NULL) { |
| 377 | wlan_hdd_cancel_existing_remain_on_channel |
| 378 | (pAdapter); |
| 379 | } else { |
| 380 | hddLog(LOG1, |
| 381 | "Cannot Cancel Existing Remain on Channel"); |
| 382 | status = -EBUSY; |
| 383 | } |
| 384 | } |
| 385 | } |
| 386 | return status; |
| 387 | } |
| 388 | |
| 389 | /** |
| 390 | * wlan_hdd_cancel_pending_roc() - Cancel pending roc |
| 391 | * @adapter: HDD adapter |
| 392 | * |
| 393 | * Cancels any pending remain on channel request |
| 394 | * |
| 395 | * Return: None |
| 396 | */ |
| 397 | void wlan_hdd_cancel_pending_roc(hdd_adapter_t *adapter) |
| 398 | { |
| 399 | hdd_remain_on_chan_ctx_t *roc_ctx; |
| 400 | unsigned long rc; |
| 401 | hdd_cfg80211_state_t *cfg_state = WLAN_HDD_GET_CFG_STATE_PTR(adapter); |
| 402 | |
| 403 | CDF_TRACE(CDF_MODULE_ID_HDD, CDF_TRACE_LEVEL_ERROR, |
| 404 | "%s: ROC completion is not received.!!!", |
| 405 | __func__); |
| 406 | |
| 407 | mutex_lock(&cfg_state->remain_on_chan_ctx_lock); |
| 408 | roc_ctx = cfg_state->remain_on_chan_ctx; |
| 409 | |
| 410 | if (roc_ctx->hdd_remain_on_chan_cancel_in_progress) { |
| 411 | mutex_unlock(&cfg_state->remain_on_chan_ctx_lock); |
| 412 | hdd_debug("roc cancel already in progress"); |
| 413 | /* |
| 414 | * Since a cancel roc is already issued and is |
| 415 | * in progress, we need not send another |
| 416 | * cancel roc again. Instead we can just wait |
| 417 | * for cancel roc completion |
| 418 | */ |
| 419 | goto wait; |
| 420 | } |
| 421 | mutex_unlock(&cfg_state->remain_on_chan_ctx_lock); |
| 422 | |
| 423 | if (adapter->device_mode == WLAN_HDD_P2P_GO) { |
| 424 | wlansap_cancel_remain_on_channel((WLAN_HDD_GET_CTX |
| 425 | (adapter))->pcds_context, |
| 426 | cfg_state->remain_on_chan_ctx->scan_id); |
| 427 | } else if (adapter->device_mode == WLAN_HDD_P2P_CLIENT |
| 428 | || adapter->device_mode == |
| 429 | WLAN_HDD_P2P_DEVICE) { |
| 430 | sme_cancel_remain_on_channel(WLAN_HDD_GET_HAL_CTX |
| 431 | (adapter), |
| 432 | adapter->sessionId, |
| 433 | cfg_state->remain_on_chan_ctx->scan_id); |
| 434 | } |
| 435 | |
| 436 | wait: |
| 437 | rc = wait_for_completion_timeout(&adapter->cancel_rem_on_chan_var, |
| 438 | msecs_to_jiffies |
| 439 | (WAIT_CANCEL_REM_CHAN)); |
| 440 | if (!rc) { |
| 441 | CDF_TRACE(CDF_MODULE_ID_HDD, |
| 442 | CDF_TRACE_LEVEL_ERROR, |
| 443 | "%s: Timeout occurred while waiting for RoC Cancellation", |
| 444 | __func__); |
| 445 | mutex_lock(&cfg_state->remain_on_chan_ctx_lock); |
| 446 | roc_ctx = cfg_state->remain_on_chan_ctx; |
| 447 | if (roc_ctx != NULL) { |
| 448 | cfg_state->remain_on_chan_ctx = NULL; |
| 449 | cdf_mc_timer_stop(&roc_ctx->hdd_remain_on_chan_timer); |
| 450 | cdf_mc_timer_destroy( |
| 451 | &roc_ctx->hdd_remain_on_chan_timer); |
| 452 | if (roc_ctx->action_pkt_buff.frame_ptr != NULL |
| 453 | && roc_ctx->action_pkt_buff.frame_length != 0) { |
| 454 | cdf_mem_free( |
| 455 | roc_ctx->action_pkt_buff.frame_ptr); |
| 456 | roc_ctx->action_pkt_buff.frame_ptr = NULL; |
| 457 | roc_ctx->action_pkt_buff.frame_length = 0; |
| 458 | } |
| 459 | cdf_mem_free(roc_ctx); |
| 460 | adapter->is_roc_inprogress = false; |
| 461 | } |
| 462 | mutex_unlock(&cfg_state->remain_on_chan_ctx_lock); |
| 463 | } |
| 464 | } |
| 465 | |
| 466 | /* Clean up RoC context at hdd_stop_adapter*/ |
| 467 | void wlan_hdd_cleanup_remain_on_channel_ctx(hdd_adapter_t *pAdapter) |
| 468 | { |
| 469 | uint8_t retry = 0; |
| 470 | hdd_cfg80211_state_t *cfgState = WLAN_HDD_GET_CFG_STATE_PTR(pAdapter); |
| 471 | |
| 472 | mutex_lock(&cfgState->remain_on_chan_ctx_lock); |
| 473 | while (pAdapter->is_roc_inprogress) { |
| 474 | mutex_unlock(&cfgState->remain_on_chan_ctx_lock); |
| 475 | CDF_TRACE(CDF_MODULE_ID_HDD, CDF_TRACE_LEVEL_ERROR, |
| 476 | "%s: ROC in progress for session %d!!!", |
| 477 | __func__, pAdapter->sessionId); |
| 478 | msleep(500); |
| 479 | if (retry++ > 3) { |
| 480 | wlan_hdd_cancel_pending_roc(pAdapter); |
| 481 | /* hold the lock before break from the loop */ |
| 482 | mutex_lock(&cfgState->remain_on_chan_ctx_lock); |
| 483 | break; |
| 484 | } |
| 485 | mutex_lock(&cfgState->remain_on_chan_ctx_lock); |
| 486 | } /* end of while */ |
| 487 | mutex_unlock(&cfgState->remain_on_chan_ctx_lock); |
| 488 | |
| 489 | } |
| 490 | |
| 491 | void wlan_hdd_remain_on_chan_timeout(void *data) |
| 492 | { |
| 493 | hdd_adapter_t *pAdapter = (hdd_adapter_t *) data; |
| 494 | hdd_remain_on_chan_ctx_t *pRemainChanCtx; |
| 495 | hdd_cfg80211_state_t *cfgState; |
| 496 | |
| 497 | if (NULL == pAdapter) { |
| 498 | hddLog(LOGE, "%s: pAdapter is NULL !!!", __func__); |
| 499 | return; |
| 500 | } |
| 501 | |
| 502 | cfgState = WLAN_HDD_GET_CFG_STATE_PTR(pAdapter); |
| 503 | mutex_lock(&cfgState->remain_on_chan_ctx_lock); |
| 504 | pRemainChanCtx = cfgState->remain_on_chan_ctx; |
| 505 | |
| 506 | if (NULL == pRemainChanCtx) { |
| 507 | mutex_unlock(&cfgState->remain_on_chan_ctx_lock); |
| 508 | hddLog(LOGE, "%s: No Remain on channel is pending", __func__); |
| 509 | return; |
| 510 | } |
| 511 | |
| 512 | if (true == pRemainChanCtx->hdd_remain_on_chan_cancel_in_progress) { |
| 513 | mutex_unlock(&cfgState->remain_on_chan_ctx_lock); |
| 514 | hddLog(LOGE, FL("Cancellation already in progress")); |
| 515 | return; |
| 516 | } |
| 517 | |
| 518 | pRemainChanCtx->hdd_remain_on_chan_cancel_in_progress = true; |
| 519 | mutex_unlock(&cfgState->remain_on_chan_ctx_lock); |
| 520 | hddLog(LOG1, "%s: Cancel Remain on Channel on timeout", __func__); |
| 521 | |
| 522 | if ((WLAN_HDD_INFRA_STATION == pAdapter->device_mode) || |
| 523 | (WLAN_HDD_P2P_CLIENT == pAdapter->device_mode) || |
| 524 | (WLAN_HDD_P2P_DEVICE == pAdapter->device_mode) |
| 525 | ) { |
| 526 | sme_cancel_remain_on_channel(WLAN_HDD_GET_HAL_CTX(pAdapter), |
| 527 | pAdapter->sessionId, |
| 528 | pRemainChanCtx->scan_id); |
| 529 | } else if ((WLAN_HDD_SOFTAP == pAdapter->device_mode) || |
| 530 | (WLAN_HDD_P2P_GO == pAdapter->device_mode) |
| 531 | ) { |
| 532 | wlansap_cancel_remain_on_channel( |
| 533 | (WLAN_HDD_GET_CTX(pAdapter))->pcds_context, |
| 534 | pRemainChanCtx->scan_id); |
| 535 | } |
| 536 | |
| 537 | hdd_allow_suspend(WIFI_POWER_EVENT_WAKELOCK_ROC); |
| 538 | |
| 539 | } |
| 540 | |
| 541 | static int wlan_hdd_execute_remain_on_channel(hdd_adapter_t *pAdapter, |
| 542 | hdd_remain_on_chan_ctx_t *pRemainChanCtx) |
| 543 | { |
| 544 | hdd_cfg80211_state_t *cfgState = WLAN_HDD_GET_CFG_STATE_PTR(pAdapter); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 545 | QDF_STATUS qdf_status = QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 546 | hdd_context_t *pHddCtx = WLAN_HDD_GET_CTX(pAdapter); |
| 547 | hdd_adapter_list_node_t *pAdapterNode = NULL, *pNext = NULL; |
| 548 | hdd_adapter_t *pAdapter_temp; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 549 | QDF_STATUS status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 550 | bool isGoPresent = false; |
| 551 | unsigned int duration; |
| 552 | |
| 553 | |
| 554 | mutex_lock(&cfgState->remain_on_chan_ctx_lock); |
| 555 | if (pAdapter->is_roc_inprogress == true) { |
| 556 | mutex_unlock(&cfgState->remain_on_chan_ctx_lock); |
| 557 | hddLog(CDF_TRACE_LEVEL_ERROR, |
| 558 | FL("remain on channel request is in execution")); |
| 559 | return -EBUSY; |
| 560 | } |
| 561 | |
| 562 | cfgState->remain_on_chan_ctx = pRemainChanCtx; |
| 563 | cfgState->current_freq = pRemainChanCtx->chan.center_freq; |
| 564 | pAdapter->is_roc_inprogress = true; |
| 565 | mutex_unlock(&cfgState->remain_on_chan_ctx_lock); |
| 566 | |
| 567 | /* Initialize Remain on chan timer */ |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 568 | qdf_status = |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 569 | cdf_mc_timer_init(&pRemainChanCtx->hdd_remain_on_chan_timer, |
| 570 | CDF_TIMER_TYPE_SW, |
| 571 | wlan_hdd_remain_on_chan_timeout, pAdapter); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 572 | if (qdf_status != QDF_STATUS_SUCCESS) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 573 | hddLog(CDF_TRACE_LEVEL_ERROR, |
| 574 | FL("Not able to initialize remain_on_chan timer")); |
| 575 | mutex_lock(&cfgState->remain_on_chan_ctx_lock); |
| 576 | cfgState->remain_on_chan_ctx = NULL; |
| 577 | pAdapter->is_roc_inprogress = false; |
| 578 | mutex_unlock(&cfgState->remain_on_chan_ctx_lock); |
| 579 | cdf_mem_free(pRemainChanCtx); |
| 580 | return -EINVAL; |
| 581 | } |
| 582 | |
| 583 | status = hdd_get_front_adapter(pHddCtx, &pAdapterNode); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 584 | while (NULL != pAdapterNode && QDF_STATUS_SUCCESS == status) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 585 | pAdapter_temp = pAdapterNode->pAdapter; |
| 586 | if (pAdapter_temp->device_mode == WLAN_HDD_P2P_GO) { |
| 587 | isGoPresent = true; |
| 588 | } |
| 589 | status = hdd_get_next_adapter(pHddCtx, pAdapterNode, &pNext); |
| 590 | pAdapterNode = pNext; |
| 591 | } |
| 592 | |
| 593 | /* Extending duration for proactive extension logic for RoC */ |
| 594 | duration = pRemainChanCtx->duration; |
| 595 | if (isGoPresent == true) |
| 596 | duration = P2P_ROC_DURATION_MULTIPLIER_GO_PRESENT * duration; |
| 597 | else |
| 598 | duration = P2P_ROC_DURATION_MULTIPLIER_GO_ABSENT * duration; |
| 599 | |
| 600 | hdd_prevent_suspend(WIFI_POWER_EVENT_WAKELOCK_ROC); |
| 601 | INIT_COMPLETION(pAdapter->rem_on_chan_ready_event); |
| 602 | |
| 603 | /* call sme API to start remain on channel. */ |
| 604 | if ((WLAN_HDD_INFRA_STATION == pAdapter->device_mode) || |
| 605 | (WLAN_HDD_P2P_CLIENT == pAdapter->device_mode) || |
| 606 | (WLAN_HDD_P2P_DEVICE == pAdapter->device_mode) |
| 607 | ) { |
| 608 | uint8_t sessionId = pAdapter->sessionId; |
| 609 | /* call sme API to start remain on channel. */ |
| 610 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 611 | if (QDF_STATUS_SUCCESS != sme_remain_on_channel( |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 612 | WLAN_HDD_GET_HAL_CTX(pAdapter), |
| 613 | sessionId, |
| 614 | pRemainChanCtx->chan.hw_value, duration, |
| 615 | wlan_hdd_remain_on_channel_callback, |
| 616 | pAdapter, |
| 617 | (pRemainChanCtx->rem_on_chan_request == |
| 618 | REMAIN_ON_CHANNEL_REQUEST) ? true : false, |
| 619 | &pRemainChanCtx->scan_id)) { |
| 620 | hddLog(LOGE, FL("sme_remain_on_channel failed")); |
| 621 | mutex_lock(&cfgState->remain_on_chan_ctx_lock); |
| 622 | cfgState->remain_on_chan_ctx = NULL; |
| 623 | pAdapter->is_roc_inprogress = false; |
| 624 | mutex_unlock(&cfgState->remain_on_chan_ctx_lock); |
| 625 | cdf_mc_timer_destroy( |
| 626 | &pRemainChanCtx->hdd_remain_on_chan_timer); |
| 627 | cdf_mem_free(pRemainChanCtx); |
| 628 | hdd_allow_suspend(WIFI_POWER_EVENT_WAKELOCK_ROC); |
| 629 | return -EINVAL; |
| 630 | } |
| 631 | |
| 632 | if (REMAIN_ON_CHANNEL_REQUEST == |
| 633 | pRemainChanCtx->rem_on_chan_request) { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 634 | if (QDF_STATUS_SUCCESS != sme_register_mgmt_frame( |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 635 | WLAN_HDD_GET_HAL_CTX(pAdapter), |
| 636 | sessionId, |
| 637 | (SIR_MAC_MGMT_FRAME << 2) | |
| 638 | (SIR_MAC_MGMT_PROBE_REQ << 4), |
| 639 | NULL, 0)) |
| 640 | hddLog(LOGE, |
| 641 | FL("sme_register_mgmt_frame failed")); |
| 642 | } |
| 643 | |
| 644 | } else if ((WLAN_HDD_SOFTAP == pAdapter->device_mode) || |
| 645 | (WLAN_HDD_P2P_GO == pAdapter->device_mode)) { |
| 646 | /* call sme API to start remain on channel. */ |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 647 | if (QDF_STATUS_SUCCESS != wlansap_remain_on_channel( |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 648 | #ifdef WLAN_FEATURE_MBSSID |
| 649 | WLAN_HDD_GET_SAP_CTX_PTR(pAdapter), |
| 650 | #else |
| 651 | (WLAN_HDD_GET_CTX(pAdapter))->pcds_context, |
| 652 | #endif |
| 653 | pRemainChanCtx->chan.hw_value, |
| 654 | duration, wlan_hdd_remain_on_channel_callback, |
| 655 | pAdapter, &pRemainChanCtx->scan_id)) { |
| 656 | hddLog(LOGE, FL("wlansap_remain_on_channel failed")); |
| 657 | mutex_lock(&cfgState->remain_on_chan_ctx_lock); |
| 658 | cfgState->remain_on_chan_ctx = NULL; |
| 659 | pAdapter->is_roc_inprogress = false; |
| 660 | mutex_unlock(&cfgState->remain_on_chan_ctx_lock); |
| 661 | cdf_mc_timer_destroy( |
| 662 | &pRemainChanCtx->hdd_remain_on_chan_timer); |
| 663 | cdf_mem_free(pRemainChanCtx); |
| 664 | hdd_allow_suspend(WIFI_POWER_EVENT_WAKELOCK_ROC); |
| 665 | return -EINVAL; |
| 666 | } |
| 667 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 668 | if (QDF_STATUS_SUCCESS != wlansap_register_mgmt_frame( |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 669 | #ifdef WLAN_FEATURE_MBSSID |
| 670 | WLAN_HDD_GET_SAP_CTX_PTR(pAdapter), |
| 671 | #else |
| 672 | (WLAN_HDD_GET_CTX(pAdapter))->pcds_context, |
| 673 | #endif |
| 674 | (SIR_MAC_MGMT_FRAME << 2) | |
| 675 | (SIR_MAC_MGMT_PROBE_REQ << 4), NULL, 0)) { |
| 676 | CDF_TRACE(CDF_MODULE_ID_HDD, CDF_TRACE_LEVEL_ERROR, |
| 677 | FL("wlansap_register_mgmt_frame return fail")); |
| 678 | wlansap_cancel_remain_on_channel( |
| 679 | #ifdef WLAN_FEATURE_MBSSID |
| 680 | WLAN_HDD_GET_SAP_CTX_PTR(pAdapter), |
| 681 | #else |
| 682 | (WLAN_HDD_GET_CTX(pAdapter))->pcds_context, |
| 683 | #endif |
| 684 | pRemainChanCtx->scan_id); |
| 685 | hdd_allow_suspend(WIFI_POWER_EVENT_WAKELOCK_ROC); |
| 686 | return -EINVAL; |
| 687 | } |
| 688 | |
| 689 | } |
| 690 | return 0; |
| 691 | } |
| 692 | |
| 693 | /** |
| 694 | * wlan_hdd_roc_request_enqueue() - enqueue remain on channel request |
| 695 | * @adapter: Pointer to the adapter |
| 696 | * @remain_chan_ctx: Pointer to the remain on channel context |
| 697 | * |
| 698 | * Return: 0 on success, error number otherwise |
| 699 | */ |
| 700 | static int wlan_hdd_roc_request_enqueue(hdd_adapter_t *adapter, |
| 701 | hdd_remain_on_chan_ctx_t *remain_chan_ctx) |
| 702 | { |
| 703 | hdd_context_t *hdd_ctx = WLAN_HDD_GET_CTX(adapter); |
| 704 | hdd_roc_req_t *hdd_roc_req; |
Anurag Chouhan | ffb2154 | 2016-02-17 14:33:03 +0530 | [diff] [blame] | 705 | QDF_STATUS status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 706 | |
| 707 | /* |
| 708 | * "Driver is busy" OR "there is already RoC request inside the queue" |
| 709 | * so enqueue this RoC Request and execute sequentially later. |
| 710 | */ |
| 711 | |
| 712 | hdd_roc_req = cdf_mem_malloc(sizeof(*hdd_roc_req)); |
| 713 | |
| 714 | if (NULL == hdd_roc_req) { |
| 715 | hddLog(LOGP, FL("malloc failed for roc req context")); |
| 716 | return -ENOMEM; |
| 717 | } |
| 718 | |
| 719 | hdd_roc_req->pAdapter = adapter; |
| 720 | hdd_roc_req->pRemainChanCtx = remain_chan_ctx; |
| 721 | |
| 722 | /* Enqueue this RoC request */ |
| 723 | cdf_spin_lock(&hdd_ctx->hdd_roc_req_q_lock); |
Anurag Chouhan | ffb2154 | 2016-02-17 14:33:03 +0530 | [diff] [blame] | 724 | status = qdf_list_insert_back(&hdd_ctx->hdd_roc_req_q, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 725 | &hdd_roc_req->node); |
| 726 | cdf_spin_unlock(&hdd_ctx->hdd_roc_req_q_lock); |
| 727 | |
Anurag Chouhan | ffb2154 | 2016-02-17 14:33:03 +0530 | [diff] [blame] | 728 | if (QDF_STATUS_SUCCESS != status) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 729 | hddLog(LOGP, FL("Not able to enqueue RoC Req context")); |
| 730 | cdf_mem_free(hdd_roc_req); |
| 731 | return -EINVAL; |
| 732 | } |
| 733 | |
| 734 | return 0; |
| 735 | } |
| 736 | |
| 737 | /** |
| 738 | * wlan_hdd_indicate_roc_drop() - Indicate roc drop to userspace |
| 739 | * @adapter: HDD adapter |
| 740 | * @ctx: Remain on channel context |
| 741 | * |
| 742 | * Send remain on channel ready and cancel event for the queued |
| 743 | * roc that is being dropped. This will ensure that the userspace |
| 744 | * will send more roc requests. If this drop is not indicated to |
| 745 | * userspace, subsequent roc will not be sent to the driver since |
| 746 | * the userspace times out waiting for the remain on channel ready |
| 747 | * event. |
| 748 | * |
| 749 | * Return: None |
| 750 | */ |
| 751 | void wlan_hdd_indicate_roc_drop(hdd_adapter_t *adapter, |
| 752 | hdd_remain_on_chan_ctx_t *ctx) |
| 753 | { |
| 754 | hdd_debug("indicate roc drop to userspace"); |
| 755 | cfg80211_ready_on_channel( |
| 756 | adapter->dev->ieee80211_ptr, |
| 757 | (uintptr_t)ctx, |
| 758 | &ctx->chan, |
| 759 | ctx->duration, GFP_KERNEL); |
| 760 | |
| 761 | cfg80211_remain_on_channel_expired( |
| 762 | ctx->dev->ieee80211_ptr, |
| 763 | ctx->cookie, |
| 764 | &ctx->chan, |
| 765 | GFP_KERNEL); |
| 766 | } |
| 767 | |
| 768 | /** |
| 769 | * wlan_hdd_roc_request_dequeue() - dequeue remain on channel request |
| 770 | * @work: Pointer to work queue struct |
| 771 | * |
| 772 | * Return: none |
| 773 | */ |
| 774 | void wlan_hdd_roc_request_dequeue(struct work_struct *work) |
| 775 | { |
Anurag Chouhan | ffb2154 | 2016-02-17 14:33:03 +0530 | [diff] [blame] | 776 | QDF_STATUS status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 777 | int ret = 0; |
| 778 | hdd_roc_req_t *hdd_roc_req; |
| 779 | hdd_context_t *hdd_ctx = |
| 780 | container_of(work, hdd_context_t, roc_req_work.work); |
| 781 | |
| 782 | hdd_debug("going to dequeue roc"); |
| 783 | |
| 784 | if (0 != (wlan_hdd_validate_context(hdd_ctx))) |
| 785 | return; |
| 786 | |
| 787 | /* |
| 788 | * The queued roc requests is dequeued and processed one at a time. |
| 789 | * Callback 'wlan_hdd_remain_on_channel_callback' ensures |
| 790 | * that any pending roc in the queue will be scheduled |
| 791 | * on the current roc completion by scheduling the work queue. |
| 792 | */ |
| 793 | cdf_spin_lock(&hdd_ctx->hdd_roc_req_q_lock); |
| 794 | if (list_empty(&hdd_ctx->hdd_roc_req_q.anchor)) { |
| 795 | cdf_spin_unlock(&hdd_ctx->hdd_roc_req_q_lock); |
| 796 | hdd_debug("list is empty"); |
| 797 | return; |
| 798 | } |
Anurag Chouhan | ffb2154 | 2016-02-17 14:33:03 +0530 | [diff] [blame] | 799 | status = qdf_list_remove_front(&hdd_ctx->hdd_roc_req_q, |
| 800 | (qdf_list_node_t **) &hdd_roc_req); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 801 | cdf_spin_unlock(&hdd_ctx->hdd_roc_req_q_lock); |
Anurag Chouhan | ffb2154 | 2016-02-17 14:33:03 +0530 | [diff] [blame] | 802 | if (QDF_STATUS_SUCCESS != status) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 803 | hdd_debug("unable to remove roc element from list"); |
| 804 | return; |
| 805 | } |
| 806 | ret = wlan_hdd_execute_remain_on_channel( |
| 807 | hdd_roc_req->pAdapter, |
| 808 | hdd_roc_req->pRemainChanCtx); |
| 809 | if (ret == -EBUSY) { |
| 810 | hddLog(CDF_TRACE_LEVEL_ERROR, |
| 811 | FL("dropping RoC request")); |
| 812 | wlan_hdd_indicate_roc_drop(hdd_roc_req->pAdapter, |
| 813 | hdd_roc_req->pRemainChanCtx); |
| 814 | cdf_mem_free(hdd_roc_req->pRemainChanCtx); |
| 815 | } |
| 816 | cdf_mem_free(hdd_roc_req); |
| 817 | } |
| 818 | |
| 819 | static int wlan_hdd_request_remain_on_channel(struct wiphy *wiphy, |
| 820 | struct net_device *dev, |
| 821 | struct ieee80211_channel *chan, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 822 | unsigned int duration, |
| 823 | u64 *cookie, |
| 824 | rem_on_channel_request_type_t |
| 825 | request_type) |
| 826 | { |
| 827 | hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR(dev); |
| 828 | hdd_context_t *pHddCtx; |
| 829 | hdd_remain_on_chan_ctx_t *pRemainChanCtx; |
| 830 | bool isBusy = false; |
| 831 | uint32_t size = 0; |
| 832 | hdd_adapter_t *sta_adapter; |
| 833 | int ret; |
| 834 | int status = 0; |
| 835 | |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 836 | ENTER(); |
| 837 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 838 | hddLog(LOG1, FL("Device_mode %s(%d)"), |
| 839 | hdd_device_mode_to_string(pAdapter->device_mode), |
| 840 | pAdapter->device_mode); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 841 | hddLog(LOG1, |
| 842 | "chan(hw_val)0x%x chan(centerfreq) %d, duration %d", |
| 843 | chan->hw_value, chan->center_freq, duration); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 844 | pHddCtx = WLAN_HDD_GET_CTX(pAdapter); |
| 845 | ret = wlan_hdd_validate_context(pHddCtx); |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 846 | if (0 != ret) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 847 | return ret; |
Tushnim Bhattacharyya | ca50b32 | 2015-12-28 17:14:36 -0800 | [diff] [blame] | 848 | if (cds_is_connection_in_progress()) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 849 | hddLog(LOGE, FL("Connection is in progress")); |
| 850 | isBusy = true; |
| 851 | } |
| 852 | pRemainChanCtx = cdf_mem_malloc(sizeof(hdd_remain_on_chan_ctx_t)); |
| 853 | if (NULL == pRemainChanCtx) { |
| 854 | hddLog(CDF_TRACE_LEVEL_FATAL, |
| 855 | "%s: Not able to allocate memory for Channel context", |
| 856 | __func__); |
| 857 | return -ENOMEM; |
| 858 | } |
| 859 | |
| 860 | cdf_mem_zero(pRemainChanCtx, sizeof(*pRemainChanCtx)); |
| 861 | cdf_mem_copy(&pRemainChanCtx->chan, chan, |
| 862 | sizeof(struct ieee80211_channel)); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 863 | pRemainChanCtx->duration = duration; |
| 864 | pRemainChanCtx->dev = dev; |
| 865 | *cookie = (uintptr_t) pRemainChanCtx; |
| 866 | pRemainChanCtx->cookie = *cookie; |
| 867 | pRemainChanCtx->rem_on_chan_request = request_type; |
| 868 | pRemainChanCtx->action_pkt_buff.freq = 0; |
| 869 | pRemainChanCtx->action_pkt_buff.frame_ptr = NULL; |
| 870 | pRemainChanCtx->action_pkt_buff.frame_length = 0; |
| 871 | pRemainChanCtx->hdd_remain_on_chan_cancel_in_progress = false; |
| 872 | if (REMAIN_ON_CHANNEL_REQUEST == request_type) { |
| 873 | sta_adapter = hdd_get_adapter(pHddCtx, WLAN_HDD_INFRA_STATION); |
Anurag Chouhan | ffb2154 | 2016-02-17 14:33:03 +0530 | [diff] [blame] | 874 | if ((NULL != sta_adapter) && |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 875 | hdd_conn_is_connected( |
| 876 | WLAN_HDD_GET_STATION_CTX_PTR(sta_adapter))) { |
Anurag Chouhan | ffb2154 | 2016-02-17 14:33:03 +0530 | [diff] [blame] | 877 | if (pAdapter->last_roc_ts != 0 && |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 878 | ((cdf_mc_timer_get_system_time() - |
| 879 | pAdapter->last_roc_ts) < |
| 880 | pHddCtx->config->p2p_listen_defer_interval)) { |
| 881 | if (pRemainChanCtx->duration > HDD_P2P_MAX_ROC_DURATION) |
| 882 | pRemainChanCtx->duration = |
| 883 | HDD_P2P_MAX_ROC_DURATION; |
| 884 | |
| 885 | wlan_hdd_roc_request_enqueue(pAdapter, pRemainChanCtx); |
| 886 | schedule_delayed_work(&pHddCtx->roc_req_work, |
| 887 | msecs_to_jiffies( |
| 888 | pHddCtx->config->p2p_listen_defer_interval)); |
| 889 | hddLog(LOG1, "Defer interval is %hu, pAdapter %p", |
| 890 | pHddCtx->config->p2p_listen_defer_interval, |
| 891 | pAdapter); |
| 892 | return 0; |
| 893 | } |
| 894 | } |
| 895 | } |
| 896 | |
| 897 | cdf_spin_lock(&pHddCtx->hdd_roc_req_q_lock); |
Anurag Chouhan | ffb2154 | 2016-02-17 14:33:03 +0530 | [diff] [blame] | 898 | size = qdf_list_size(&(pHddCtx->hdd_roc_req_q)); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 899 | cdf_spin_unlock(&pHddCtx->hdd_roc_req_q_lock); |
| 900 | if ((isBusy == false) && (!size)) { |
| 901 | status = wlan_hdd_execute_remain_on_channel(pAdapter, |
| 902 | pRemainChanCtx); |
| 903 | if (status == -EBUSY) { |
| 904 | if (wlan_hdd_roc_request_enqueue(pAdapter, |
| 905 | pRemainChanCtx)) { |
| 906 | cdf_mem_free(pRemainChanCtx); |
| 907 | return -EAGAIN; |
| 908 | } |
| 909 | } |
| 910 | return 0; |
| 911 | } else { |
| 912 | if (wlan_hdd_roc_request_enqueue(pAdapter, pRemainChanCtx)) { |
| 913 | cdf_mem_free(pRemainChanCtx); |
| 914 | return -EAGAIN; |
| 915 | } |
| 916 | } |
| 917 | |
| 918 | /* |
| 919 | * If a connection is not in progress (isBusy), before scheduling |
| 920 | * the work queue it is necessary to check if a roc in in progress |
| 921 | * or not because: if an roc is in progress, the dequeued roc |
| 922 | * that will be processed will be dropped. To ensure that this new |
| 923 | * roc request is not dropped, it is suggested to check if an roc |
| 924 | * is in progress or not. The existing roc completion will provide |
| 925 | * the trigger to dequeue the next roc request. |
| 926 | */ |
| 927 | if (isBusy == false && pAdapter->is_roc_inprogress == false) { |
| 928 | hdd_debug("scheduling delayed work: no connection/roc active"); |
| 929 | schedule_delayed_work(&pHddCtx->roc_req_work, 0); |
| 930 | } |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 931 | EXIT(); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 932 | return 0; |
| 933 | } |
| 934 | |
| 935 | int __wlan_hdd_cfg80211_remain_on_channel(struct wiphy *wiphy, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 936 | struct wireless_dev *wdev, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 937 | struct ieee80211_channel *chan, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 938 | unsigned int duration, u64 *cookie) |
| 939 | { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 940 | struct net_device *dev = wdev->netdev; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 941 | hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR(dev); |
| 942 | hdd_context_t *hdd_ctx; |
| 943 | int ret; |
| 944 | |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 945 | ENTER(); |
| 946 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 947 | hdd_ctx = WLAN_HDD_GET_CTX(pAdapter); |
| 948 | ret = wlan_hdd_validate_context(hdd_ctx); |
| 949 | if (0 != ret) |
| 950 | return ret; |
| 951 | |
Peng Xu | f5d60c8 | 2015-10-02 17:17:03 -0700 | [diff] [blame] | 952 | if (CDF_GLOBAL_FTM_MODE == hdd_get_conparam()) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 953 | hddLog(LOGE, FL("Command not allowed in FTM mode")); |
| 954 | return -EINVAL; |
| 955 | } |
| 956 | |
| 957 | MTRACE(cdf_trace(CDF_MODULE_ID_HDD, |
| 958 | TRACE_CODE_HDD_REMAIN_ON_CHANNEL, |
| 959 | pAdapter->sessionId, REMAIN_ON_CHANNEL_REQUEST)); |
Amar Singhal | 01098f7 | 2015-10-08 11:55:32 -0700 | [diff] [blame] | 960 | |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 961 | ret = wlan_hdd_request_remain_on_channel(wiphy, dev, chan, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 962 | duration, cookie, |
| 963 | REMAIN_ON_CHANNEL_REQUEST); |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 964 | EXIT(); |
| 965 | return ret; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 966 | } |
| 967 | |
| 968 | int wlan_hdd_cfg80211_remain_on_channel(struct wiphy *wiphy, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 969 | struct wireless_dev *wdev, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 970 | struct ieee80211_channel *chan, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 971 | unsigned int duration, u64 *cookie) |
| 972 | { |
| 973 | int ret; |
| 974 | |
| 975 | cds_ssr_protect(__func__); |
| 976 | ret = __wlan_hdd_cfg80211_remain_on_channel(wiphy, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 977 | wdev, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 978 | chan, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 979 | duration, cookie); |
| 980 | cds_ssr_unprotect(__func__); |
| 981 | |
| 982 | return ret; |
| 983 | } |
| 984 | |
| 985 | void hdd_remain_chan_ready_handler(hdd_adapter_t *pAdapter, |
| 986 | uint32_t scan_id) |
| 987 | { |
| 988 | hdd_cfg80211_state_t *cfgState = NULL; |
| 989 | hdd_remain_on_chan_ctx_t *pRemainChanCtx = NULL; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 990 | QDF_STATUS status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 991 | |
| 992 | if (NULL == pAdapter) { |
| 993 | hddLog(LOGE, FL("pAdapter is NULL")); |
| 994 | return; |
| 995 | } |
| 996 | cfgState = WLAN_HDD_GET_CFG_STATE_PTR(pAdapter); |
| 997 | hddLog(LOG1, "Ready on chan ind %d", scan_id); |
| 998 | |
| 999 | pAdapter->start_roc_ts = cdf_mc_timer_get_system_time(); |
| 1000 | mutex_lock(&cfgState->remain_on_chan_ctx_lock); |
| 1001 | pRemainChanCtx = cfgState->remain_on_chan_ctx; |
| 1002 | if (pRemainChanCtx != NULL) { |
| 1003 | MTRACE(cdf_trace(CDF_MODULE_ID_HDD, |
| 1004 | TRACE_CODE_HDD_REMAINCHANREADYHANDLER, |
| 1005 | pAdapter->sessionId, |
| 1006 | pRemainChanCtx->duration)); |
| 1007 | /* start timer for actual duration */ |
| 1008 | if (CDF_TIMER_STATE_RUNNING == |
| 1009 | cdf_mc_timer_get_current_state( |
| 1010 | &pRemainChanCtx->hdd_remain_on_chan_timer)) { |
| 1011 | hddLog(LOGE, "Timer Started before ready event!!!"); |
| 1012 | cdf_mc_timer_stop(&pRemainChanCtx-> |
| 1013 | hdd_remain_on_chan_timer); |
| 1014 | } |
| 1015 | status = |
| 1016 | cdf_mc_timer_start(&pRemainChanCtx-> |
| 1017 | hdd_remain_on_chan_timer, |
| 1018 | (pRemainChanCtx->duration + |
| 1019 | COMPLETE_EVENT_PROPOGATE_TIME)); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1020 | if (status != QDF_STATUS_SUCCESS) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1021 | hddLog(LOGE, "%s: Remain on Channel timer start failed", |
| 1022 | __func__); |
| 1023 | } |
| 1024 | |
| 1025 | if (REMAIN_ON_CHANNEL_REQUEST == |
| 1026 | pRemainChanCtx->rem_on_chan_request) { |
| 1027 | cfg80211_ready_on_channel( |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1028 | pAdapter->dev-> |
| 1029 | ieee80211_ptr, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1030 | (uintptr_t) |
| 1031 | pRemainChanCtx, |
| 1032 | &pRemainChanCtx->chan, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1033 | pRemainChanCtx-> |
| 1034 | duration, GFP_KERNEL); |
| 1035 | } else if (OFF_CHANNEL_ACTION_TX == |
| 1036 | pRemainChanCtx->rem_on_chan_request) { |
| 1037 | complete(&pAdapter->offchannel_tx_event); |
| 1038 | } |
| 1039 | /* Check for cached action frame */ |
| 1040 | if (pRemainChanCtx->action_pkt_buff.frame_length != 0) { |
| 1041 | hddLog(LOGE, |
| 1042 | "%s: Sent cached action frame to supplicant", |
| 1043 | __func__); |
| 1044 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 18, 0)) |
| 1045 | cfg80211_rx_mgmt(pAdapter->dev->ieee80211_ptr, |
| 1046 | pRemainChanCtx->action_pkt_buff.freq, 0, |
| 1047 | pRemainChanCtx->action_pkt_buff.frame_ptr, |
| 1048 | pRemainChanCtx->action_pkt_buff.frame_length, |
| 1049 | NL80211_RXMGMT_FLAG_ANSWERED); |
| 1050 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 12, 0)) |
| 1051 | cfg80211_rx_mgmt(pAdapter->dev->ieee80211_ptr, |
| 1052 | pRemainChanCtx->action_pkt_buff.freq, 0, |
| 1053 | pRemainChanCtx->action_pkt_buff.frame_ptr, |
| 1054 | pRemainChanCtx->action_pkt_buff.frame_length, |
| 1055 | NL80211_RXMGMT_FLAG_ANSWERED, GFP_ATOMIC); |
Amar Singhal | 01098f7 | 2015-10-08 11:55:32 -0700 | [diff] [blame] | 1056 | #else |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1057 | cfg80211_rx_mgmt(pAdapter->dev->ieee80211_ptr, |
| 1058 | pRemainChanCtx->action_pkt_buff.freq, |
| 1059 | 0, |
| 1060 | pRemainChanCtx->action_pkt_buff. |
| 1061 | frame_ptr, |
| 1062 | pRemainChanCtx->action_pkt_buff. |
| 1063 | frame_length, GFP_ATOMIC); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1064 | #endif /* LINUX_VERSION_CODE */ |
| 1065 | |
| 1066 | cdf_mem_free(pRemainChanCtx->action_pkt_buff.frame_ptr); |
| 1067 | pRemainChanCtx->action_pkt_buff.frame_length = 0; |
| 1068 | pRemainChanCtx->action_pkt_buff.freq = 0; |
| 1069 | pRemainChanCtx->action_pkt_buff.frame_ptr = NULL; |
| 1070 | } |
| 1071 | complete(&pAdapter->rem_on_chan_ready_event); |
| 1072 | } else { |
| 1073 | hddLog(LOGW, "%s: No Pending Remain on channel Request", |
| 1074 | __func__); |
| 1075 | } |
| 1076 | mutex_unlock(&cfgState->remain_on_chan_ctx_lock); |
| 1077 | return; |
| 1078 | } |
| 1079 | |
| 1080 | int __wlan_hdd_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1081 | struct wireless_dev *wdev, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1082 | u64 cookie) |
| 1083 | { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1084 | struct net_device *dev = wdev->netdev; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1085 | hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR(dev); |
| 1086 | hdd_cfg80211_state_t *cfgState = WLAN_HDD_GET_CFG_STATE_PTR(pAdapter); |
| 1087 | hdd_remain_on_chan_ctx_t *pRemainChanCtx; |
| 1088 | hdd_context_t *pHddCtx = WLAN_HDD_GET_CTX(pAdapter); |
| 1089 | int status; |
Anurag Chouhan | ffb2154 | 2016-02-17 14:33:03 +0530 | [diff] [blame] | 1090 | int qdf_status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1091 | unsigned long rc; |
Anurag Chouhan | ffb2154 | 2016-02-17 14:33:03 +0530 | [diff] [blame] | 1092 | qdf_list_node_t *tmp, *q; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1093 | hdd_roc_req_t *curr_roc_req; |
| 1094 | |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 1095 | ENTER(); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1096 | |
Peng Xu | f5d60c8 | 2015-10-02 17:17:03 -0700 | [diff] [blame] | 1097 | if (CDF_GLOBAL_FTM_MODE == hdd_get_conparam()) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1098 | hddLog(LOGE, FL("Command not allowed in FTM mode")); |
| 1099 | return -EINVAL; |
| 1100 | } |
| 1101 | |
| 1102 | status = wlan_hdd_validate_context(pHddCtx); |
| 1103 | |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 1104 | if (0 != status) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1105 | return status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1106 | cdf_spin_lock(&pHddCtx->hdd_roc_req_q_lock); |
| 1107 | list_for_each_safe(tmp, q, &pHddCtx->hdd_roc_req_q.anchor) { |
| 1108 | curr_roc_req = list_entry(tmp, hdd_roc_req_t, node); |
| 1109 | if ((uintptr_t) curr_roc_req->pRemainChanCtx == cookie) { |
Anurag Chouhan | ffb2154 | 2016-02-17 14:33:03 +0530 | [diff] [blame] | 1110 | qdf_status = qdf_list_remove_node(&pHddCtx->hdd_roc_req_q, |
| 1111 | (qdf_list_node_t *) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1112 | curr_roc_req); |
| 1113 | cdf_spin_unlock(&pHddCtx->hdd_roc_req_q_lock); |
Anurag Chouhan | ffb2154 | 2016-02-17 14:33:03 +0530 | [diff] [blame] | 1114 | if (qdf_status == QDF_STATUS_SUCCESS) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1115 | cdf_mem_free(curr_roc_req->pRemainChanCtx); |
| 1116 | cdf_mem_free(curr_roc_req); |
| 1117 | } |
| 1118 | return 0; |
| 1119 | } |
| 1120 | } |
| 1121 | cdf_spin_unlock(&pHddCtx->hdd_roc_req_q_lock); |
| 1122 | /* FIXME cancel currently running remain on chan. |
| 1123 | * Need to check cookie and cancel accordingly |
| 1124 | */ |
| 1125 | mutex_lock(&cfgState->remain_on_chan_ctx_lock); |
| 1126 | pRemainChanCtx = cfgState->remain_on_chan_ctx; |
| 1127 | if ((cfgState->remain_on_chan_ctx == NULL) || |
| 1128 | (cfgState->remain_on_chan_ctx->cookie != cookie)) { |
| 1129 | mutex_unlock(&cfgState->remain_on_chan_ctx_lock); |
| 1130 | hddLog(LOGE, |
| 1131 | "%s: No Remain on channel pending with specified cookie value", |
| 1132 | __func__); |
| 1133 | return -EINVAL; |
| 1134 | } |
| 1135 | |
| 1136 | if (NULL != cfgState->remain_on_chan_ctx) { |
| 1137 | cdf_mc_timer_stop(&cfgState->remain_on_chan_ctx-> |
| 1138 | hdd_remain_on_chan_timer); |
| 1139 | if (true == |
| 1140 | pRemainChanCtx->hdd_remain_on_chan_cancel_in_progress) { |
| 1141 | mutex_unlock(&cfgState->remain_on_chan_ctx_lock); |
| 1142 | hddLog(LOG1, |
| 1143 | FL("ROC timer cancellation in progress," |
| 1144 | " wait for completion")); |
| 1145 | rc = wait_for_completion_timeout(&pAdapter-> |
| 1146 | cancel_rem_on_chan_var, |
| 1147 | msecs_to_jiffies |
| 1148 | (WAIT_CANCEL_REM_CHAN)); |
| 1149 | if (!rc) { |
| 1150 | hddLog(LOGE, |
| 1151 | "%s:wait on cancel_rem_on_chan_var timed out", |
| 1152 | __func__); |
| 1153 | } |
| 1154 | return 0; |
| 1155 | } else |
| 1156 | pRemainChanCtx->hdd_remain_on_chan_cancel_in_progress = |
| 1157 | true; |
| 1158 | } |
| 1159 | mutex_unlock(&cfgState->remain_on_chan_ctx_lock); |
| 1160 | |
| 1161 | /* wait until remain on channel ready event received |
| 1162 | * for already issued remain on channel request */ |
| 1163 | rc = wait_for_completion_timeout(&pAdapter->rem_on_chan_ready_event, |
| 1164 | msecs_to_jiffies(WAIT_REM_CHAN_READY)); |
| 1165 | if (!rc) { |
| 1166 | hddLog(LOGE, |
| 1167 | "%s: timeout waiting for remain on channel ready indication", |
| 1168 | __func__); |
| 1169 | |
Prashanth Bhatta | 9e14305 | 2015-12-04 11:56:47 -0800 | [diff] [blame] | 1170 | if (cds_is_driver_recovering()) { |
| 1171 | hdd_err("Recovery in Progress. State: 0x%x Ignore!!!", |
| 1172 | cds_get_driver_state()); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1173 | return -EAGAIN; |
| 1174 | } |
| 1175 | } |
| 1176 | INIT_COMPLETION(pAdapter->cancel_rem_on_chan_var); |
| 1177 | /* Issue abort remain on chan request to sme. |
| 1178 | * The remain on channel callback will make sure the remain_on_chan |
| 1179 | * expired event is sent. |
| 1180 | */ |
| 1181 | if ((WLAN_HDD_INFRA_STATION == pAdapter->device_mode) || |
| 1182 | (WLAN_HDD_P2P_CLIENT == pAdapter->device_mode) || |
| 1183 | (WLAN_HDD_P2P_DEVICE == pAdapter->device_mode) |
| 1184 | ) { |
| 1185 | |
| 1186 | uint8_t sessionId = pAdapter->sessionId; |
| 1187 | sme_cancel_remain_on_channel(WLAN_HDD_GET_HAL_CTX(pAdapter), |
| 1188 | sessionId, |
| 1189 | pRemainChanCtx->scan_id); |
| 1190 | } else if ((WLAN_HDD_SOFTAP == pAdapter->device_mode) || |
| 1191 | (WLAN_HDD_P2P_GO == pAdapter->device_mode) |
| 1192 | ) { |
| 1193 | wlansap_cancel_remain_on_channel( |
| 1194 | #ifdef WLAN_FEATURE_MBSSID |
| 1195 | WLAN_HDD_GET_SAP_CTX_PTR(pAdapter), |
| 1196 | #else |
| 1197 | (WLAN_HDD_GET_CTX(pAdapter))->pcds_context, |
| 1198 | #endif |
| 1199 | pRemainChanCtx->scan_id); |
| 1200 | |
| 1201 | } else { |
| 1202 | hddLog(LOGE, FL("Invalid device_mode %s(%d)"), |
| 1203 | hdd_device_mode_to_string(pAdapter->device_mode), |
| 1204 | pAdapter->device_mode); |
| 1205 | return -EIO; |
| 1206 | } |
| 1207 | rc = wait_for_completion_timeout(&pAdapter->cancel_rem_on_chan_var, |
| 1208 | msecs_to_jiffies |
| 1209 | (WAIT_CANCEL_REM_CHAN)); |
| 1210 | if (!rc) { |
| 1211 | hddLog(LOGE, |
| 1212 | "%s:wait on cancel_rem_on_chan_var timed out ", |
| 1213 | __func__); |
| 1214 | } |
| 1215 | hdd_allow_suspend(WIFI_POWER_EVENT_WAKELOCK_ROC); |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 1216 | EXIT(); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1217 | return 0; |
| 1218 | } |
| 1219 | |
| 1220 | int wlan_hdd_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1221 | struct wireless_dev *wdev, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1222 | u64 cookie) |
| 1223 | { |
| 1224 | int ret; |
| 1225 | |
| 1226 | cds_ssr_protect(__func__); |
| 1227 | ret = __wlan_hdd_cfg80211_cancel_remain_on_channel(wiphy, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1228 | wdev, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1229 | cookie); |
| 1230 | cds_ssr_unprotect(__func__); |
| 1231 | |
| 1232 | return ret; |
| 1233 | } |
| 1234 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1235 | int __wlan_hdd_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, |
| 1236 | struct ieee80211_channel *chan, bool offchan, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1237 | unsigned int wait, |
| 1238 | const u8 *buf, size_t len, bool no_cck, |
| 1239 | bool dont_wait_for_ack, u64 *cookie) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1240 | { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1241 | struct net_device *dev = wdev->netdev; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1242 | hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR(dev); |
| 1243 | hdd_cfg80211_state_t *cfgState = WLAN_HDD_GET_CFG_STATE_PTR(pAdapter); |
| 1244 | hdd_remain_on_chan_ctx_t *pRemainChanCtx; |
| 1245 | hdd_context_t *pHddCtx = WLAN_HDD_GET_CTX(pAdapter); |
| 1246 | uint16_t extendedWait = 0; |
| 1247 | uint8_t type = WLAN_HDD_GET_TYPE_FRM_FC(buf[0]); |
| 1248 | uint8_t subType = WLAN_HDD_GET_SUBTYPE_FRM_FC(buf[0]); |
| 1249 | tActionFrmType actionFrmType; |
| 1250 | bool noack = 0; |
| 1251 | int status; |
| 1252 | unsigned long rc; |
| 1253 | hdd_adapter_t *goAdapter; |
| 1254 | uint16_t current_freq; |
| 1255 | |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 1256 | ENTER(); |
| 1257 | |
Peng Xu | f5d60c8 | 2015-10-02 17:17:03 -0700 | [diff] [blame] | 1258 | if (CDF_GLOBAL_FTM_MODE == hdd_get_conparam()) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1259 | hddLog(LOGE, FL("Command not allowed in FTM mode")); |
| 1260 | return -EINVAL; |
| 1261 | } |
| 1262 | |
| 1263 | MTRACE(cdf_trace(CDF_MODULE_ID_HDD, |
| 1264 | TRACE_CODE_HDD_ACTION, pAdapter->sessionId, |
| 1265 | pAdapter->device_mode)); |
| 1266 | status = wlan_hdd_validate_context(pHddCtx); |
| 1267 | |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 1268 | if (0 != status) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1269 | return status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1270 | |
| 1271 | hddLog(LOG1, FL("Device_mode %s(%d) type: %d"), |
| 1272 | hdd_device_mode_to_string(pAdapter->device_mode), |
| 1273 | pAdapter->device_mode, type); |
| 1274 | |
| 1275 | #ifdef WLAN_FEATURE_P2P_DEBUG |
| 1276 | if ((type == SIR_MAC_MGMT_FRAME) && |
| 1277 | (subType == SIR_MAC_MGMT_ACTION) && |
| 1278 | wlan_hdd_is_type_p2p_action(&buf |
| 1279 | [WLAN_HDD_PUBLIC_ACTION_FRAME_BODY_OFFSET])) { |
| 1280 | actionFrmType = buf[WLAN_HDD_PUBLIC_ACTION_FRAME_TYPE_OFFSET]; |
| 1281 | if (actionFrmType >= MAX_P2P_ACTION_FRAME_TYPE) { |
| 1282 | hddLog(CDF_TRACE_LEVEL_ERROR, |
| 1283 | "[P2P] unknown[%d] ---> OTA to " MAC_ADDRESS_STR, |
| 1284 | actionFrmType, |
| 1285 | MAC_ADDR_ARRAY(&buf |
| 1286 | [WLAN_HDD_80211_FRM_DA_OFFSET])); |
| 1287 | } else { |
| 1288 | hddLog(CDF_TRACE_LEVEL_ERROR, "[P2P] %s ---> OTA to " |
| 1289 | MAC_ADDRESS_STR, |
| 1290 | p2p_action_frame_type[actionFrmType], |
| 1291 | MAC_ADDR_ARRAY(&buf |
| 1292 | [WLAN_HDD_80211_FRM_DA_OFFSET])); |
| 1293 | if ((actionFrmType == WLAN_HDD_PROV_DIS_REQ) |
| 1294 | && (global_p2p_connection_status == P2P_NOT_ACTIVE)) { |
| 1295 | global_p2p_connection_status = P2P_GO_NEG_PROCESS; |
| 1296 | hddLog(LOGE, "[P2P State]Inactive state to " |
| 1297 | "GO negotiation progress state"); |
| 1298 | } else if ((actionFrmType == WLAN_HDD_GO_NEG_CNF) && |
| 1299 | (global_p2p_connection_status == |
| 1300 | P2P_GO_NEG_PROCESS)) { |
| 1301 | global_p2p_connection_status = |
| 1302 | P2P_GO_NEG_COMPLETED; |
| 1303 | hddLog(LOGE, |
| 1304 | "[P2P State]GO nego progress to GO nego" |
| 1305 | " completed state"); |
| 1306 | } |
| 1307 | } |
| 1308 | } |
| 1309 | #endif |
| 1310 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1311 | noack = dont_wait_for_ack; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1312 | |
| 1313 | /* If the wait is coming as 0 with off channel set */ |
| 1314 | /* then set the wait to 200 ms */ |
| 1315 | if (offchan && !wait) { |
| 1316 | wait = ACTION_FRAME_DEFAULT_WAIT; |
| 1317 | mutex_lock(&cfgState->remain_on_chan_ctx_lock); |
| 1318 | if (cfgState->remain_on_chan_ctx) { |
| 1319 | |
| 1320 | uint32_t current_time = cdf_mc_timer_get_system_time(); |
| 1321 | int remaining_roc_time = |
| 1322 | ((int) cfgState->remain_on_chan_ctx->duration - |
| 1323 | (current_time - pAdapter->start_roc_ts)); |
| 1324 | |
| 1325 | if (remaining_roc_time > ACTION_FRAME_DEFAULT_WAIT) |
| 1326 | wait = remaining_roc_time; |
| 1327 | } |
| 1328 | mutex_unlock(&cfgState->remain_on_chan_ctx_lock); |
| 1329 | } |
| 1330 | |
| 1331 | if ((WLAN_HDD_INFRA_STATION == pAdapter->device_mode) && |
| 1332 | (type == SIR_MAC_MGMT_FRAME && |
| 1333 | subType == SIR_MAC_MGMT_PROBE_RSP)) { |
| 1334 | /* Drop Probe response received |
| 1335 | * from supplicant in sta mode |
| 1336 | */ |
| 1337 | goto err_rem_channel; |
| 1338 | } |
| 1339 | |
| 1340 | /* Call sme API to send out a action frame. */ |
| 1341 | /* OR can we send it directly through data path?? */ |
| 1342 | /* After tx completion send tx status back. */ |
| 1343 | if ((WLAN_HDD_SOFTAP == pAdapter->device_mode) || |
| 1344 | (WLAN_HDD_P2P_GO == pAdapter->device_mode) |
| 1345 | ) { |
| 1346 | if (type == SIR_MAC_MGMT_FRAME) { |
| 1347 | if (subType == SIR_MAC_MGMT_PROBE_RSP) { |
| 1348 | /* Drop Probe response recieved from supplicant, as for GO and |
| 1349 | SAP PE itself sends probe response |
| 1350 | */ |
| 1351 | goto err_rem_channel; |
| 1352 | } else if ((subType == SIR_MAC_MGMT_DISASSOC) || |
| 1353 | (subType == SIR_MAC_MGMT_DEAUTH)) { |
| 1354 | /* During EAP failure or P2P Group Remove supplicant |
| 1355 | * is sending del_station command to driver. From |
| 1356 | * del_station function, Driver will send deauth frame to |
| 1357 | * p2p client. No need to send disassoc frame from here. |
| 1358 | * so Drop the frame here and send tx indication back to |
| 1359 | * supplicant. |
| 1360 | */ |
| 1361 | uint8_t dstMac[ETH_ALEN] = { 0 }; |
| 1362 | memcpy(&dstMac, |
| 1363 | &buf[WLAN_HDD_80211_FRM_DA_OFFSET], |
| 1364 | ETH_ALEN); |
| 1365 | hddLog(CDF_TRACE_LEVEL_INFO, |
| 1366 | "%s: Deauth/Disassoc received for STA:" |
| 1367 | MAC_ADDRESS_STR, __func__, |
| 1368 | MAC_ADDR_ARRAY(dstMac)); |
| 1369 | goto err_rem_channel; |
| 1370 | } |
| 1371 | } |
| 1372 | } |
| 1373 | |
| 1374 | if (NULL != cfgState->buf) { |
| 1375 | if (!noack) { |
| 1376 | hddLog(LOGE, |
| 1377 | "(%s):Previous P2P Action frame packet pending", |
| 1378 | __func__); |
| 1379 | hdd_cleanup_actionframe(pAdapter->pHddCtx, pAdapter); |
| 1380 | } else { |
| 1381 | hddLog(LOGE, |
| 1382 | "(%s):Pending Action frame packet return EBUSY", |
| 1383 | __func__); |
| 1384 | return -EBUSY; |
| 1385 | } |
| 1386 | } |
| 1387 | |
| 1388 | if (subType == SIR_MAC_MGMT_ACTION) { |
| 1389 | hddLog(LOG1, "Action frame tx request : %s", |
| 1390 | hdd_get_action_string(buf |
| 1391 | [WLAN_HDD_PUBLIC_ACTION_FRAME_OFFSET])); |
| 1392 | } |
| 1393 | |
| 1394 | goAdapter = hdd_get_adapter(pAdapter->pHddCtx, WLAN_HDD_P2P_GO); |
| 1395 | |
| 1396 | /* If GO adapter exists and operating on same frequency */ |
| 1397 | /* then we will not request remain on channel */ |
| 1398 | if (goAdapter && (ieee80211_frequency_to_channel(chan->center_freq) |
| 1399 | == goAdapter->sessionCtx.ap.operatingChannel)) { |
| 1400 | /* if GO exist and is not off channel |
| 1401 | * wait time should be zero |
| 1402 | */ |
| 1403 | wait = 0; |
| 1404 | goto send_frame; |
| 1405 | } |
| 1406 | |
| 1407 | if (offchan && wait) { |
| 1408 | int status; |
| 1409 | rem_on_channel_request_type_t req_type = OFF_CHANNEL_ACTION_TX; |
| 1410 | /* In case of P2P Client mode if we are already */ |
| 1411 | /* on the same channel then send the frame directly */ |
| 1412 | |
| 1413 | mutex_lock(&cfgState->remain_on_chan_ctx_lock); |
| 1414 | pRemainChanCtx = cfgState->remain_on_chan_ctx; |
| 1415 | if ((type == SIR_MAC_MGMT_FRAME) && |
| 1416 | (subType == SIR_MAC_MGMT_ACTION) && |
| 1417 | hdd_p2p_is_action_type_rsp(&buf |
| 1418 | [WLAN_HDD_PUBLIC_ACTION_FRAME_BODY_OFFSET]) |
| 1419 | && cfgState->remain_on_chan_ctx |
| 1420 | && cfgState->current_freq == chan->center_freq) { |
| 1421 | if (CDF_TIMER_STATE_RUNNING == |
| 1422 | cdf_mc_timer_get_current_state(&cfgState-> |
| 1423 | remain_on_chan_ctx-> |
| 1424 | hdd_remain_on_chan_timer)) { |
| 1425 | cdf_mc_timer_stop(&cfgState-> |
| 1426 | remain_on_chan_ctx-> |
| 1427 | hdd_remain_on_chan_timer); |
| 1428 | status = |
| 1429 | cdf_mc_timer_start(&cfgState-> |
| 1430 | remain_on_chan_ctx-> |
| 1431 | hdd_remain_on_chan_timer, |
| 1432 | wait); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1433 | if (status != QDF_STATUS_SUCCESS) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1434 | hddLog(LOGE, |
| 1435 | "%s: Remain on Channel timer start failed", |
| 1436 | __func__); |
| 1437 | } |
| 1438 | mutex_unlock(&cfgState-> |
| 1439 | remain_on_chan_ctx_lock); |
| 1440 | goto send_frame; |
| 1441 | } else { |
| 1442 | if (pRemainChanCtx-> |
| 1443 | hdd_remain_on_chan_cancel_in_progress == |
| 1444 | true) { |
| 1445 | mutex_unlock(&cfgState-> |
| 1446 | remain_on_chan_ctx_lock); |
| 1447 | hddLog(CDF_TRACE_LEVEL_INFO, |
| 1448 | "action frame tx: waiting for completion of ROC "); |
| 1449 | |
| 1450 | rc = wait_for_completion_timeout |
| 1451 | (&pAdapter->cancel_rem_on_chan_var, |
| 1452 | msecs_to_jiffies |
| 1453 | (WAIT_CANCEL_REM_CHAN)); |
| 1454 | if (!rc) { |
| 1455 | hddLog(LOGE, |
| 1456 | "%s:wait on cancel_rem_on_chan_var timed out", |
| 1457 | __func__); |
| 1458 | } |
| 1459 | |
| 1460 | } else |
| 1461 | mutex_unlock(&cfgState-> |
| 1462 | remain_on_chan_ctx_lock); |
| 1463 | } |
| 1464 | } else |
| 1465 | mutex_unlock(&cfgState->remain_on_chan_ctx_lock); |
| 1466 | |
| 1467 | if ((cfgState->remain_on_chan_ctx != NULL) && |
| 1468 | (cfgState->current_freq == chan->center_freq) |
| 1469 | ) { |
| 1470 | hddLog(LOG1, "action frame: extending the wait time"); |
| 1471 | extendedWait = (uint16_t) wait; |
| 1472 | goto send_frame; |
| 1473 | } |
| 1474 | |
| 1475 | INIT_COMPLETION(pAdapter->offchannel_tx_event); |
| 1476 | |
| 1477 | status = wlan_hdd_request_remain_on_channel(wiphy, dev, chan, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1478 | wait, cookie, |
| 1479 | req_type); |
| 1480 | if (0 != status) { |
| 1481 | if ((-EBUSY == status) && |
| 1482 | (cfgState->current_freq == chan->center_freq)) { |
| 1483 | goto send_frame; |
| 1484 | } |
| 1485 | goto err_rem_channel; |
| 1486 | } |
| 1487 | /* This will extend timer in LIM when sending Any action frame |
| 1488 | * It will cover remain on channel timer till next action frame |
| 1489 | * in rx direction. |
| 1490 | */ |
| 1491 | extendedWait = (uint16_t) wait; |
| 1492 | /* Wait for driver to be ready on the requested channel */ |
| 1493 | rc = wait_for_completion_timeout(&pAdapter->offchannel_tx_event, |
| 1494 | msecs_to_jiffies |
| 1495 | (WAIT_CHANGE_CHANNEL_FOR_OFFCHANNEL_TX)); |
| 1496 | if (!rc) { |
| 1497 | hddLog(LOGE, "wait on offchannel_tx_event timed out"); |
| 1498 | goto err_rem_channel; |
| 1499 | } |
| 1500 | } else if (offchan) { |
| 1501 | /* Check before sending action frame |
| 1502 | whether we already remain on channel */ |
| 1503 | if (NULL == cfgState->remain_on_chan_ctx) { |
| 1504 | goto err_rem_channel; |
| 1505 | } |
| 1506 | } |
| 1507 | send_frame: |
| 1508 | |
| 1509 | if (!noack) { |
| 1510 | cfgState->buf = cdf_mem_malloc(len); /* buf; */ |
| 1511 | if (cfgState->buf == NULL) |
| 1512 | return -ENOMEM; |
| 1513 | |
| 1514 | cfgState->len = len; |
| 1515 | |
| 1516 | cdf_mem_copy(cfgState->buf, buf, len); |
| 1517 | |
| 1518 | mutex_lock(&cfgState->remain_on_chan_ctx_lock); |
| 1519 | |
| 1520 | if (cfgState->remain_on_chan_ctx) { |
| 1521 | cfgState->action_cookie = |
| 1522 | cfgState->remain_on_chan_ctx->cookie; |
| 1523 | *cookie = cfgState->action_cookie; |
| 1524 | } else { |
| 1525 | *cookie = (uintptr_t) cfgState->buf; |
| 1526 | cfgState->action_cookie = *cookie; |
| 1527 | } |
| 1528 | |
| 1529 | mutex_unlock(&cfgState->remain_on_chan_ctx_lock); |
| 1530 | } |
| 1531 | |
| 1532 | /* |
| 1533 | * Firmware needs channel information for action frames |
| 1534 | * which are not sent on the current operating channel of VDEV |
| 1535 | */ |
| 1536 | if ((WLAN_HDD_P2P_DEVICE == pAdapter->device_mode) || |
| 1537 | (WLAN_HDD_P2P_CLIENT == pAdapter->device_mode) || |
| 1538 | (WLAN_HDD_P2P_GO == pAdapter->device_mode)) { |
| 1539 | if (chan && (chan->center_freq != 0)) |
| 1540 | current_freq = chan->center_freq; |
| 1541 | else |
| 1542 | current_freq = cfgState->current_freq; |
| 1543 | } else { |
| 1544 | current_freq = 0; |
| 1545 | } |
| 1546 | |
Jeff Johnson | 19caeb1 | 2015-12-10 12:29:44 -0800 | [diff] [blame] | 1547 | INIT_COMPLETION(pAdapter->tx_action_cnf_event); |
| 1548 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1549 | if ((WLAN_HDD_INFRA_STATION == pAdapter->device_mode) || |
| 1550 | (WLAN_HDD_P2P_CLIENT == pAdapter->device_mode) || |
| 1551 | (WLAN_HDD_P2P_DEVICE == pAdapter->device_mode) |
| 1552 | ) { |
| 1553 | uint8_t sessionId = pAdapter->sessionId; |
| 1554 | |
| 1555 | if ((type == SIR_MAC_MGMT_FRAME) && |
| 1556 | (subType == SIR_MAC_MGMT_ACTION) && |
| 1557 | (buf[WLAN_HDD_PUBLIC_ACTION_FRAME_OFFSET] == |
| 1558 | WLAN_HDD_PUBLIC_ACTION_FRAME)) { |
| 1559 | actionFrmType = |
| 1560 | buf[WLAN_HDD_PUBLIC_ACTION_FRAME_TYPE_OFFSET]; |
| 1561 | hddLog(LOG1, "Tx Action Frame %u", actionFrmType); |
| 1562 | if (actionFrmType == WLAN_HDD_PROV_DIS_REQ) { |
| 1563 | cfgState->actionFrmState = |
| 1564 | HDD_PD_REQ_ACK_PENDING; |
| 1565 | hddLog(LOG1, "%s: HDD_PD_REQ_ACK_PENDING", |
| 1566 | __func__); |
| 1567 | } else if (actionFrmType == WLAN_HDD_GO_NEG_REQ) { |
| 1568 | cfgState->actionFrmState = |
| 1569 | HDD_GO_NEG_REQ_ACK_PENDING; |
| 1570 | hddLog(LOG1, "%s: HDD_GO_NEG_REQ_ACK_PENDING", |
| 1571 | __func__); |
| 1572 | } |
| 1573 | } |
| 1574 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1575 | if (QDF_STATUS_SUCCESS != |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1576 | sme_send_action(WLAN_HDD_GET_HAL_CTX(pAdapter), |
| 1577 | sessionId, buf, len, extendedWait, noack, |
| 1578 | current_freq)) { |
| 1579 | CDF_TRACE(CDF_MODULE_ID_HDD, CDF_TRACE_LEVEL_ERROR, |
| 1580 | "%s: sme_send_action returned fail", __func__); |
| 1581 | goto err; |
| 1582 | } |
| 1583 | } else if (WLAN_HDD_SOFTAP == pAdapter->device_mode || |
| 1584 | WLAN_HDD_P2P_GO == pAdapter->device_mode) { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1585 | if (QDF_STATUS_SUCCESS != |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1586 | #ifdef WLAN_FEATURE_MBSSID |
| 1587 | wlansap_send_action(WLAN_HDD_GET_SAP_CTX_PTR(pAdapter), |
| 1588 | #else |
| 1589 | wlansap_send_action((WLAN_HDD_GET_CTX(pAdapter))-> |
| 1590 | pcds_context, |
| 1591 | #endif |
| 1592 | buf, len, 0, current_freq)) { |
| 1593 | hddLog(LOGE, |
| 1594 | FL("wlansap_send_action returned fail")); |
| 1595 | goto err; |
| 1596 | } |
| 1597 | } |
| 1598 | |
| 1599 | return 0; |
| 1600 | err: |
| 1601 | if (!noack) { |
| 1602 | hdd_send_action_cnf(pAdapter, false); |
| 1603 | } |
| 1604 | return 0; |
| 1605 | err_rem_channel: |
| 1606 | *cookie = (uintptr_t) cfgState; |
| 1607 | cfg80211_mgmt_tx_status( |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1608 | pAdapter->dev->ieee80211_ptr, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1609 | *cookie, buf, len, false, GFP_KERNEL); |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 1610 | EXIT(); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1611 | return 0; |
| 1612 | } |
| 1613 | |
| 1614 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0)) |
| 1615 | int wlan_hdd_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, |
| 1616 | struct cfg80211_mgmt_tx_params *params, u64 *cookie) |
Amar Singhal | 01098f7 | 2015-10-08 11:55:32 -0700 | [diff] [blame] | 1617 | #else |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1618 | int wlan_hdd_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, |
| 1619 | struct ieee80211_channel *chan, bool offchan, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1620 | unsigned int wait, |
| 1621 | const u8 *buf, size_t len, bool no_cck, |
| 1622 | bool dont_wait_for_ack, u64 *cookie) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1623 | #endif /* LINUX_VERSION_CODE */ |
| 1624 | { |
| 1625 | int ret; |
| 1626 | |
| 1627 | cds_ssr_protect(__func__); |
| 1628 | |
| 1629 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0)) |
| 1630 | ret = __wlan_hdd_mgmt_tx(wiphy, wdev, params->chan, params->offchan, |
| 1631 | params->wait, params->buf, params->len, |
| 1632 | params->no_cck, params->dont_wait_for_ack, |
| 1633 | cookie); |
Amar Singhal | 01098f7 | 2015-10-08 11:55:32 -0700 | [diff] [blame] | 1634 | #else |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1635 | ret = __wlan_hdd_mgmt_tx(wiphy, wdev, chan, offchan, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1636 | wait, buf, len, no_cck, |
| 1637 | dont_wait_for_ack, cookie); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1638 | #endif /* LINUX_VERSION_CODE */ |
| 1639 | cds_ssr_unprotect(__func__); |
| 1640 | |
| 1641 | return ret; |
| 1642 | } |
| 1643 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1644 | int __wlan_hdd_cfg80211_mgmt_tx_cancel_wait(struct wiphy *wiphy, |
| 1645 | struct wireless_dev *wdev, |
| 1646 | u64 cookie) |
| 1647 | { |
| 1648 | return wlan_hdd_cfg80211_cancel_remain_on_channel(wiphy, wdev, cookie); |
| 1649 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1650 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1651 | int wlan_hdd_cfg80211_mgmt_tx_cancel_wait(struct wiphy *wiphy, |
| 1652 | struct wireless_dev *wdev, u64 cookie) |
| 1653 | { |
| 1654 | int ret; |
| 1655 | |
| 1656 | cds_ssr_protect(__func__); |
| 1657 | ret = __wlan_hdd_cfg80211_mgmt_tx_cancel_wait(wiphy, wdev, cookie); |
| 1658 | cds_ssr_unprotect(__func__); |
| 1659 | |
| 1660 | return ret; |
| 1661 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1662 | |
| 1663 | void hdd_send_action_cnf(hdd_adapter_t *pAdapter, bool actionSendSuccess) |
| 1664 | { |
| 1665 | hdd_cfg80211_state_t *cfgState = WLAN_HDD_GET_CFG_STATE_PTR(pAdapter); |
| 1666 | |
| 1667 | cfgState->actionFrmState = HDD_IDLE; |
| 1668 | |
| 1669 | hddLog(LOG1, "Send Action cnf, actionSendSuccess %d", |
| 1670 | actionSendSuccess); |
| 1671 | |
| 1672 | if (NULL == cfgState->buf) { |
| 1673 | return; |
| 1674 | } |
| 1675 | |
| 1676 | /* |
| 1677 | * buf is the same pointer it passed us to send. Since we are sending |
| 1678 | * it through control path, we use different buffers. |
| 1679 | * In case of mac80211, they just push it to the skb and pass the same |
| 1680 | * data while sending tx ack status. |
| 1681 | * */ |
| 1682 | cfg80211_mgmt_tx_status( |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1683 | pAdapter->dev->ieee80211_ptr, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1684 | cfgState->action_cookie, |
| 1685 | cfgState->buf, cfgState->len, |
| 1686 | actionSendSuccess, GFP_KERNEL); |
| 1687 | |
| 1688 | cdf_mem_free(cfgState->buf); |
| 1689 | cfgState->buf = NULL; |
| 1690 | |
| 1691 | complete(&pAdapter->tx_action_cnf_event); |
| 1692 | } |
| 1693 | |
| 1694 | /** |
| 1695 | * hdd_set_p2p_noa |
| 1696 | * |
| 1697 | ***FUNCTION: |
| 1698 | * This function is called from hdd_hostapd_ioctl function when Driver |
| 1699 | * get P2P_SET_NOA comand from wpa_supplicant using private ioctl |
| 1700 | * |
| 1701 | ***LOGIC: |
| 1702 | * Fill NoA Struct According to P2P Power save Option and Pass it to SME layer |
| 1703 | * |
| 1704 | ***ASSUMPTIONS: |
| 1705 | * |
| 1706 | * |
| 1707 | ***NOTE: |
| 1708 | * |
| 1709 | * @param dev Pointer to net device structure |
| 1710 | * @param command Pointer to command |
| 1711 | * |
| 1712 | * @return Status |
| 1713 | */ |
| 1714 | |
| 1715 | int hdd_set_p2p_noa(struct net_device *dev, uint8_t *command) |
| 1716 | { |
| 1717 | hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR(dev); |
| 1718 | tHalHandle hHal = WLAN_HDD_GET_HAL_CTX(pAdapter); |
| 1719 | tP2pPsConfig NoA; |
| 1720 | int count, duration, start_time; |
| 1721 | char *param; |
| 1722 | int ret; |
| 1723 | |
| 1724 | param = strnchr(command, strlen(command), ' '); |
| 1725 | if (param == NULL) { |
| 1726 | CDF_TRACE(CDF_MODULE_ID_HDD, CDF_TRACE_LEVEL_ERROR, |
| 1727 | "%s: strnchr failed to find delimeter", __func__); |
| 1728 | return -EINVAL; |
| 1729 | } |
| 1730 | param++; |
| 1731 | ret = sscanf(param, "%d %d %d", &count, &start_time, &duration); |
| 1732 | if (ret != 3) { |
| 1733 | CDF_TRACE(CDF_MODULE_ID_HDD, CDF_TRACE_LEVEL_ERROR, |
| 1734 | "%s: P2P_SET GO NoA: fail to read params, ret=%d", |
| 1735 | __func__, ret); |
| 1736 | return -EINVAL; |
| 1737 | } |
| 1738 | CDF_TRACE(CDF_MODULE_ID_HDD, CDF_TRACE_LEVEL_INFO, |
| 1739 | "%s: P2P_SET GO NoA: count=%d start_time=%d duration=%d", |
| 1740 | __func__, count, start_time, duration); |
| 1741 | duration = MS_TO_MUS(duration); |
| 1742 | /* PS Selection |
| 1743 | * Periodic NoA (2) |
| 1744 | * Single NOA (4) |
| 1745 | */ |
| 1746 | NoA.opp_ps = 0; |
| 1747 | NoA.ctWindow = 0; |
| 1748 | if (count == 1) { |
| 1749 | NoA.duration = 0; |
| 1750 | NoA.single_noa_duration = duration; |
| 1751 | NoA.psSelection = P2P_POWER_SAVE_TYPE_SINGLE_NOA; |
| 1752 | } else { |
| 1753 | NoA.duration = duration; |
| 1754 | NoA.single_noa_duration = 0; |
| 1755 | NoA.psSelection = P2P_POWER_SAVE_TYPE_PERIODIC_NOA; |
| 1756 | } |
| 1757 | NoA.interval = MS_TO_MUS(100); |
| 1758 | NoA.count = count; |
| 1759 | NoA.sessionid = pAdapter->sessionId; |
| 1760 | |
| 1761 | CDF_TRACE(CDF_MODULE_ID_HDD, CDF_TRACE_LEVEL_INFO, |
| 1762 | "%s: P2P_PS_ATTR:oppPS %d ctWindow %d duration %d " |
| 1763 | "interval %d count %d single noa duration %d " |
| 1764 | "PsSelection %x", __func__, NoA.opp_ps, |
| 1765 | NoA.ctWindow, NoA.duration, NoA.interval, |
| 1766 | NoA.count, NoA.single_noa_duration, NoA.psSelection); |
| 1767 | |
| 1768 | sme_p2p_set_ps(hHal, &NoA); |
| 1769 | return 0; |
| 1770 | } |
| 1771 | |
| 1772 | /** |
| 1773 | * hdd_set_p2p_opps |
| 1774 | * |
| 1775 | ***FUNCTION: |
| 1776 | * This function is called from hdd_hostapd_ioctl function when Driver |
| 1777 | * get P2P_SET_PS comand from wpa_supplicant using private ioctl |
| 1778 | * |
| 1779 | ***LOGIC: |
| 1780 | * Fill NoA Struct According to P2P Power save Option and Pass it to SME layer |
| 1781 | * |
| 1782 | ***ASSUMPTIONS: |
| 1783 | * |
| 1784 | * |
| 1785 | ***NOTE: |
| 1786 | * |
| 1787 | * @param dev Pointer to net device structure |
| 1788 | * @param command Pointer to command |
| 1789 | * |
| 1790 | * @return Status |
| 1791 | */ |
| 1792 | |
| 1793 | int hdd_set_p2p_opps(struct net_device *dev, uint8_t *command) |
| 1794 | { |
| 1795 | hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR(dev); |
| 1796 | tHalHandle hHal = WLAN_HDD_GET_HAL_CTX(pAdapter); |
| 1797 | tP2pPsConfig NoA; |
| 1798 | char *param; |
| 1799 | int legacy_ps, opp_ps, ctwindow; |
| 1800 | int ret; |
| 1801 | |
| 1802 | param = strnchr(command, strlen(command), ' '); |
| 1803 | if (param == NULL) { |
| 1804 | CDF_TRACE(CDF_MODULE_ID_HDD, CDF_TRACE_LEVEL_ERROR, |
| 1805 | "%s: strnchr failed to find delimiter", __func__); |
| 1806 | return -EINVAL; |
| 1807 | } |
| 1808 | param++; |
| 1809 | ret = sscanf(param, "%d %d %d", &legacy_ps, &opp_ps, &ctwindow); |
| 1810 | if (ret != 3) { |
| 1811 | CDF_TRACE(CDF_MODULE_ID_HDD, CDF_TRACE_LEVEL_ERROR, |
| 1812 | "%s: P2P_SET GO PS: fail to read params, ret=%d", |
| 1813 | __func__, ret); |
| 1814 | return -EINVAL; |
| 1815 | } |
| 1816 | CDF_TRACE(CDF_MODULE_ID_HDD, CDF_TRACE_LEVEL_INFO, |
| 1817 | "%s: P2P_SET GO PS: legacy_ps=%d opp_ps=%d ctwindow=%d", |
| 1818 | __func__, legacy_ps, opp_ps, ctwindow); |
| 1819 | |
| 1820 | /* PS Selection |
| 1821 | * Opportunistic Power Save (1) |
| 1822 | */ |
| 1823 | |
| 1824 | /* From wpa_cli user need to use separate command to set ctWindow and Opps |
| 1825 | * When user want to set ctWindow during that time other parameters |
| 1826 | * values are coming from wpa_supplicant as -1. |
| 1827 | * Example : User want to set ctWindow with 30 then wpa_cli command : |
| 1828 | * P2P_SET ctwindow 30 |
| 1829 | * Command Received at hdd_hostapd_ioctl is as below: |
| 1830 | * P2P_SET_PS -1 -1 30 (legacy_ps = -1, opp_ps = -1, ctwindow = 30) |
| 1831 | */ |
| 1832 | if (ctwindow != -1) { |
| 1833 | |
| 1834 | CDF_TRACE(CDF_MODULE_ID_HDD, CDF_TRACE_LEVEL_INFO, |
| 1835 | "Opportunistic Power Save is %s", |
| 1836 | (true == pAdapter->ops) ? "Enable" : "Disable"); |
| 1837 | |
| 1838 | if (ctwindow != pAdapter->ctw) { |
| 1839 | pAdapter->ctw = ctwindow; |
| 1840 | |
| 1841 | if (pAdapter->ops) { |
| 1842 | NoA.opp_ps = pAdapter->ops; |
| 1843 | NoA.ctWindow = pAdapter->ctw; |
| 1844 | NoA.duration = 0; |
| 1845 | NoA.single_noa_duration = 0; |
| 1846 | NoA.interval = 0; |
| 1847 | NoA.count = 0; |
| 1848 | NoA.psSelection = |
| 1849 | P2P_POWER_SAVE_TYPE_OPPORTUNISTIC; |
| 1850 | NoA.sessionid = pAdapter->sessionId; |
| 1851 | |
| 1852 | CDF_TRACE(CDF_MODULE_ID_HDD, |
| 1853 | CDF_TRACE_LEVEL_INFO, |
| 1854 | "%s: P2P_PS_ATTR:oppPS %d ctWindow %d duration %d " |
| 1855 | "interval %d count %d single noa duration %d " |
| 1856 | "PsSelection %x", __func__, |
| 1857 | NoA.opp_ps, NoA.ctWindow, |
| 1858 | NoA.duration, NoA.interval, NoA.count, |
| 1859 | NoA.single_noa_duration, |
| 1860 | NoA.psSelection); |
| 1861 | |
| 1862 | sme_p2p_set_ps(hHal, &NoA); |
| 1863 | } |
| 1864 | return 0; |
| 1865 | } |
| 1866 | } |
| 1867 | |
| 1868 | if (opp_ps != -1) { |
| 1869 | pAdapter->ops = opp_ps; |
| 1870 | |
| 1871 | if ((opp_ps != -1) && (pAdapter->ctw)) { |
| 1872 | NoA.opp_ps = opp_ps; |
| 1873 | NoA.ctWindow = pAdapter->ctw; |
| 1874 | NoA.duration = 0; |
| 1875 | NoA.single_noa_duration = 0; |
| 1876 | NoA.interval = 0; |
| 1877 | NoA.count = 0; |
| 1878 | NoA.psSelection = P2P_POWER_SAVE_TYPE_OPPORTUNISTIC; |
| 1879 | NoA.sessionid = pAdapter->sessionId; |
| 1880 | |
| 1881 | CDF_TRACE(CDF_MODULE_ID_HDD, CDF_TRACE_LEVEL_INFO, |
| 1882 | "%s: P2P_PS_ATTR:oppPS %d ctWindow %d duration %d " |
| 1883 | "interval %d count %d single noa duration %d " |
| 1884 | "PsSelection %x", __func__, NoA.opp_ps, |
| 1885 | NoA.ctWindow, NoA.duration, NoA.interval, |
| 1886 | NoA.count, NoA.single_noa_duration, |
| 1887 | NoA.psSelection); |
| 1888 | |
| 1889 | sme_p2p_set_ps(hHal, &NoA); |
| 1890 | } |
| 1891 | } |
| 1892 | return 0; |
| 1893 | } |
| 1894 | |
| 1895 | int hdd_set_p2p_ps(struct net_device *dev, void *msgData) |
| 1896 | { |
| 1897 | hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR(dev); |
| 1898 | tHalHandle hHal = WLAN_HDD_GET_HAL_CTX(pAdapter); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1899 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1900 | tP2pPsConfig NoA; |
| 1901 | p2p_app_setP2pPs_t *pappNoA = (p2p_app_setP2pPs_t *) msgData; |
| 1902 | |
| 1903 | NoA.opp_ps = pappNoA->opp_ps; |
| 1904 | NoA.ctWindow = pappNoA->ctWindow; |
| 1905 | NoA.duration = pappNoA->duration; |
| 1906 | NoA.interval = pappNoA->interval; |
| 1907 | NoA.count = pappNoA->count; |
| 1908 | NoA.single_noa_duration = pappNoA->single_noa_duration; |
| 1909 | NoA.psSelection = pappNoA->psSelection; |
| 1910 | NoA.sessionid = pAdapter->sessionId; |
| 1911 | |
| 1912 | sme_p2p_set_ps(hHal, &NoA); |
| 1913 | return status; |
| 1914 | } |
| 1915 | |
| 1916 | static uint8_t wlan_hdd_get_session_type(enum nl80211_iftype type) |
| 1917 | { |
| 1918 | uint8_t sessionType; |
| 1919 | |
| 1920 | switch (type) { |
| 1921 | case NL80211_IFTYPE_AP: |
| 1922 | sessionType = WLAN_HDD_SOFTAP; |
| 1923 | break; |
| 1924 | case NL80211_IFTYPE_P2P_GO: |
| 1925 | sessionType = WLAN_HDD_P2P_GO; |
| 1926 | break; |
| 1927 | case NL80211_IFTYPE_P2P_CLIENT: |
| 1928 | sessionType = WLAN_HDD_P2P_CLIENT; |
| 1929 | break; |
| 1930 | case NL80211_IFTYPE_STATION: |
| 1931 | sessionType = WLAN_HDD_INFRA_STATION; |
| 1932 | break; |
| 1933 | default: |
| 1934 | sessionType = WLAN_HDD_INFRA_STATION; |
| 1935 | break; |
| 1936 | } |
| 1937 | |
| 1938 | return sessionType; |
| 1939 | } |
| 1940 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1941 | struct wireless_dev *__wlan_hdd_add_virtual_intf(struct wiphy *wiphy, |
| 1942 | const char *name, |
| 1943 | enum nl80211_iftype type, |
| 1944 | u32 *flags, |
| 1945 | struct vif_params *params) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1946 | { |
| 1947 | hdd_context_t *pHddCtx = (hdd_context_t *) wiphy_priv(wiphy); |
| 1948 | hdd_adapter_t *pAdapter = NULL; |
| 1949 | hdd_scaninfo_t *scan_info = NULL; |
| 1950 | int ret; |
Peng Xu | 45486ea | 2015-11-12 16:37:44 -0800 | [diff] [blame] | 1951 | uint8_t session_type; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1952 | |
| 1953 | ENTER(); |
| 1954 | |
Peng Xu | f5d60c8 | 2015-10-02 17:17:03 -0700 | [diff] [blame] | 1955 | if (CDF_GLOBAL_FTM_MODE == hdd_get_conparam()) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1956 | hddLog(LOGE, FL("Command not allowed in FTM mode")); |
| 1957 | return ERR_PTR(-EINVAL); |
| 1958 | } |
| 1959 | |
| 1960 | ret = wlan_hdd_validate_context(pHddCtx); |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 1961 | if (0 != ret) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1962 | return ERR_PTR(ret); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1963 | |
| 1964 | MTRACE(cdf_trace(CDF_MODULE_ID_HDD, |
| 1965 | TRACE_CODE_HDD_ADD_VIRTUAL_INTF, NO_SESSION, type)); |
| 1966 | /* |
Peng Xu | 45486ea | 2015-11-12 16:37:44 -0800 | [diff] [blame] | 1967 | * Allow addition multiple interfaces for WLAN_HDD_P2P_GO, |
| 1968 | * WLAN_HDD_SOFTAP, WLAN_HDD_P2P_CLIENT and WLAN_HDD_INFRA_STATION |
| 1969 | * session type. |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1970 | */ |
Peng Xu | 45486ea | 2015-11-12 16:37:44 -0800 | [diff] [blame] | 1971 | session_type = wlan_hdd_get_session_type(type); |
| 1972 | if ((hdd_get_adapter(pHddCtx, session_type) != NULL) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1973 | #ifdef WLAN_FEATURE_MBSSID |
Peng Xu | 45486ea | 2015-11-12 16:37:44 -0800 | [diff] [blame] | 1974 | && WLAN_HDD_SOFTAP != session_type |
| 1975 | && WLAN_HDD_P2P_GO != session_type |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1976 | #endif |
Peng Xu | 45486ea | 2015-11-12 16:37:44 -0800 | [diff] [blame] | 1977 | && WLAN_HDD_P2P_CLIENT != session_type |
| 1978 | && WLAN_HDD_INFRA_STATION != session_type) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1979 | hddLog(LOGE, |
| 1980 | "%s: Interface type %d already exists. " |
| 1981 | "Two interfaces of same type are not supported currently.", |
| 1982 | __func__, type); |
| 1983 | return ERR_PTR(-EINVAL); |
| 1984 | } |
| 1985 | |
| 1986 | wlan_hdd_tdls_disable_offchan_and_teardown_links(pHddCtx); |
| 1987 | |
| 1988 | pAdapter = hdd_get_adapter(pHddCtx, WLAN_HDD_INFRA_STATION); |
| 1989 | if (pAdapter != NULL) { |
| 1990 | scan_info = &pAdapter->scan_info; |
| 1991 | if (scan_info->mScanPending) { |
| 1992 | hdd_abort_mac_scan(pHddCtx, pAdapter->sessionId, |
| 1993 | eCSR_SCAN_ABORT_DEFAULT); |
| 1994 | hddLog(LOG1, |
| 1995 | FL("Abort Scan while adding virtual interface")); |
| 1996 | } |
| 1997 | } |
| 1998 | |
| 1999 | pAdapter = NULL; |
| 2000 | if (pHddCtx->config->isP2pDeviceAddrAdministrated && |
| 2001 | ((NL80211_IFTYPE_P2P_GO == type) || |
| 2002 | (NL80211_IFTYPE_P2P_CLIENT == type))) { |
| 2003 | /* |
| 2004 | * Generate the P2P Interface Address. this address must be |
| 2005 | * different from the P2P Device Address. |
| 2006 | */ |
| 2007 | struct cdf_mac_addr p2pDeviceAddress = |
| 2008 | pHddCtx->p2pDeviceAddress; |
| 2009 | p2pDeviceAddress.bytes[4] ^= 0x80; |
| 2010 | pAdapter = hdd_open_adapter(pHddCtx, |
| 2011 | wlan_hdd_get_session_type(type), |
| 2012 | name, p2pDeviceAddress.bytes, true); |
| 2013 | } else { |
| 2014 | pAdapter = |
| 2015 | hdd_open_adapter(pHddCtx, wlan_hdd_get_session_type(type), |
| 2016 | name, wlan_hdd_get_intf_addr(pHddCtx), |
| 2017 | true); |
| 2018 | } |
| 2019 | |
| 2020 | if (NULL == pAdapter) { |
| 2021 | hddLog(CDF_TRACE_LEVEL_ERROR, "%s: hdd_open_adapter failed", |
| 2022 | __func__); |
| 2023 | return ERR_PTR(-ENOSPC); |
| 2024 | } |
| 2025 | EXIT(); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2026 | return pAdapter->dev->ieee80211_ptr; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2027 | } |
| 2028 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2029 | struct wireless_dev *wlan_hdd_add_virtual_intf(struct wiphy *wiphy, |
| 2030 | const char *name, |
| 2031 | enum nl80211_iftype type, |
| 2032 | u32 *flags, |
| 2033 | struct vif_params *params) |
| 2034 | { |
| 2035 | struct wireless_dev *wdev; |
| 2036 | |
| 2037 | cds_ssr_protect(__func__); |
| 2038 | wdev = __wlan_hdd_add_virtual_intf(wiphy, name, type, flags, params); |
| 2039 | cds_ssr_unprotect(__func__); |
| 2040 | return wdev; |
| 2041 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2042 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2043 | int __wlan_hdd_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2044 | { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2045 | struct net_device *dev = wdev->netdev; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2046 | hdd_context_t *pHddCtx = (hdd_context_t *) wiphy_priv(wiphy); |
| 2047 | hdd_adapter_t *pVirtAdapter = WLAN_HDD_GET_PRIV_PTR(dev); |
| 2048 | int status; |
| 2049 | ENTER(); |
| 2050 | |
Peng Xu | f5d60c8 | 2015-10-02 17:17:03 -0700 | [diff] [blame] | 2051 | if (CDF_GLOBAL_FTM_MODE == hdd_get_conparam()) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2052 | hddLog(LOGE, FL("Command not allowed in FTM mode")); |
| 2053 | return -EINVAL; |
| 2054 | } |
| 2055 | |
| 2056 | MTRACE(cdf_trace(CDF_MODULE_ID_HDD, |
| 2057 | TRACE_CODE_HDD_DEL_VIRTUAL_INTF, |
| 2058 | pVirtAdapter->sessionId, pVirtAdapter->device_mode)); |
| 2059 | hddLog(LOG1, FL("Device_mode %s(%d)"), |
| 2060 | hdd_device_mode_to_string(pVirtAdapter->device_mode), |
| 2061 | pVirtAdapter->device_mode); |
| 2062 | |
| 2063 | status = wlan_hdd_validate_context(pHddCtx); |
| 2064 | |
Hanumantha Reddy Pothula | 2db50ed | 2015-11-23 10:48:33 +0530 | [diff] [blame] | 2065 | if (0 != status) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2066 | return status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2067 | |
| 2068 | wlan_hdd_release_intf_addr(pHddCtx, |
| 2069 | pVirtAdapter->macAddressCurrent.bytes); |
| 2070 | |
| 2071 | hdd_stop_adapter(pHddCtx, pVirtAdapter, true); |
| 2072 | hdd_close_adapter(pHddCtx, pVirtAdapter, true); |
| 2073 | EXIT(); |
| 2074 | return 0; |
| 2075 | } |
| 2076 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2077 | int wlan_hdd_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2078 | { |
| 2079 | int ret; |
| 2080 | |
| 2081 | cds_ssr_protect(__func__); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2082 | ret = __wlan_hdd_del_virtual_intf(wiphy, wdev); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2083 | cds_ssr_unprotect(__func__); |
| 2084 | |
| 2085 | return ret; |
| 2086 | } |
| 2087 | |
Abhishek Singh | 7996eb7 | 2015-12-30 17:24:02 +0530 | [diff] [blame] | 2088 | void __hdd_indicate_mgmt_frame(hdd_adapter_t *pAdapter, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2089 | uint32_t nFrameLength, |
| 2090 | uint8_t *pbFrames, |
| 2091 | uint8_t frameType, uint32_t rxChan, int8_t rxRssi) |
| 2092 | { |
| 2093 | uint16_t freq; |
| 2094 | uint16_t extend_time; |
| 2095 | uint8_t type = 0; |
| 2096 | uint8_t subType = 0; |
| 2097 | tActionFrmType actionFrmType; |
| 2098 | hdd_cfg80211_state_t *cfgState = NULL; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2099 | QDF_STATUS status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2100 | hdd_remain_on_chan_ctx_t *pRemainChanCtx = NULL; |
| 2101 | hdd_context_t *pHddCtx; |
| 2102 | |
| 2103 | hddLog(CDF_TRACE_LEVEL_INFO, "%s: Frame Type = %d Frame Length = %d", |
| 2104 | __func__, frameType, nFrameLength); |
| 2105 | |
| 2106 | if (NULL == pAdapter) { |
| 2107 | hddLog(LOGE, FL("pAdapter is NULL")); |
| 2108 | return; |
| 2109 | } |
| 2110 | pHddCtx = WLAN_HDD_GET_CTX(pAdapter); |
| 2111 | |
| 2112 | if (0 == nFrameLength) { |
| 2113 | hddLog(LOGE, FL("Frame Length is Invalid ZERO")); |
| 2114 | return; |
| 2115 | } |
| 2116 | |
| 2117 | if (NULL == pbFrames) { |
| 2118 | hddLog(LOGE, FL("pbFrames is NULL")); |
| 2119 | return; |
| 2120 | } |
| 2121 | |
| 2122 | type = WLAN_HDD_GET_TYPE_FRM_FC(pbFrames[0]); |
| 2123 | subType = WLAN_HDD_GET_SUBTYPE_FRM_FC(pbFrames[0]); |
| 2124 | |
| 2125 | /* Get pAdapter from Destination mac address of the frame */ |
| 2126 | if ((type == SIR_MAC_MGMT_FRAME) && (subType != SIR_MAC_MGMT_PROBE_REQ)) { |
| 2127 | pAdapter = |
| 2128 | hdd_get_adapter_by_macaddr(WLAN_HDD_GET_CTX(pAdapter), |
| 2129 | &pbFrames |
| 2130 | [WLAN_HDD_80211_FRM_DA_OFFSET]); |
| 2131 | if (NULL == pAdapter) { |
| 2132 | /* |
| 2133 | * Under assumtion that we don't receive any action |
| 2134 | * frame with BCST as destination, |
| 2135 | * we are dropping action frame |
| 2136 | */ |
| 2137 | hddLog(LOGP, |
| 2138 | "pAdapter for action frame is NULL Macaddr = " |
| 2139 | MAC_ADDRESS_STR, |
| 2140 | MAC_ADDR_ARRAY(&pbFrames |
| 2141 | [WLAN_HDD_80211_FRM_DA_OFFSET])); |
| 2142 | hddLog(LOGP, |
| 2143 | FL("Frame Type = %d Frame Length = %d subType = %d"), |
| 2144 | frameType, nFrameLength, subType); |
| 2145 | return; |
| 2146 | } |
| 2147 | } |
| 2148 | |
| 2149 | if (NULL == pAdapter->dev) { |
| 2150 | hddLog(LOGE, FL("pAdapter->dev is NULL")); |
| 2151 | return; |
| 2152 | } |
| 2153 | |
| 2154 | if (WLAN_HDD_ADAPTER_MAGIC != pAdapter->magic) { |
| 2155 | hddLog(LOGE, FL("pAdapter has invalid magic")); |
| 2156 | return; |
| 2157 | } |
| 2158 | |
| 2159 | /* Channel indicated may be wrong. TODO */ |
| 2160 | /* Indicate an action frame. */ |
| 2161 | if (rxChan <= MAX_NO_OF_2_4_CHANNELS) |
| 2162 | freq = ieee80211_channel_to_frequency(rxChan, |
| 2163 | IEEE80211_BAND_2GHZ); |
| 2164 | else |
| 2165 | freq = ieee80211_channel_to_frequency(rxChan, |
| 2166 | IEEE80211_BAND_5GHZ); |
| 2167 | |
| 2168 | cfgState = WLAN_HDD_GET_CFG_STATE_PTR(pAdapter); |
| 2169 | |
| 2170 | if ((type == SIR_MAC_MGMT_FRAME) && (subType == SIR_MAC_MGMT_ACTION)) { |
| 2171 | if (pbFrames[WLAN_HDD_PUBLIC_ACTION_FRAME_OFFSET] == |
| 2172 | WLAN_HDD_PUBLIC_ACTION_FRAME) { |
| 2173 | /* Public action frame */ |
| 2174 | if ((pbFrames[WLAN_HDD_PUBLIC_ACTION_FRAME_OFFSET + 1] |
| 2175 | == SIR_MAC_ACTION_VENDOR_SPECIFIC) && |
| 2176 | cdf_mem_compare(&pbFrames |
| 2177 | [WLAN_HDD_PUBLIC_ACTION_FRAME_OFFSET |
| 2178 | + 2], SIR_MAC_P2P_OUI, |
| 2179 | SIR_MAC_P2P_OUI_SIZE)) { |
| 2180 | /* P2P action frames */ |
| 2181 | u8 *macFrom = |
| 2182 | &pbFrames[WLAN_HDD_80211_FRM_DA_OFFSET + 6]; |
| 2183 | actionFrmType = |
| 2184 | pbFrames |
| 2185 | [WLAN_HDD_PUBLIC_ACTION_FRAME_TYPE_OFFSET]; |
| 2186 | hddLog(LOG1, "Rx Action Frame %u", |
| 2187 | actionFrmType); |
| 2188 | #ifdef WLAN_FEATURE_P2P_DEBUG |
| 2189 | if (actionFrmType >= MAX_P2P_ACTION_FRAME_TYPE) { |
| 2190 | hddLog(CDF_TRACE_LEVEL_ERROR, |
| 2191 | "[P2P] unknown[%d] <--- OTA" |
| 2192 | " from " MAC_ADDRESS_STR, |
| 2193 | actionFrmType, |
| 2194 | MAC_ADDR_ARRAY(macFrom)); |
| 2195 | } else { |
| 2196 | hddLog(CDF_TRACE_LEVEL_ERROR, |
| 2197 | "[P2P] %s <--- OTA" " from " |
| 2198 | MAC_ADDRESS_STR, |
| 2199 | p2p_action_frame_type |
| 2200 | [actionFrmType], |
| 2201 | MAC_ADDR_ARRAY(macFrom)); |
| 2202 | if ((actionFrmType == |
| 2203 | WLAN_HDD_PROV_DIS_REQ) |
| 2204 | && (global_p2p_connection_status == |
| 2205 | P2P_NOT_ACTIVE)) { |
| 2206 | global_p2p_connection_status = |
| 2207 | P2P_GO_NEG_PROCESS; |
| 2208 | hddLog(LOGE, |
| 2209 | "[P2P State]Inactive state to " |
| 2210 | "GO negotiation progress state"); |
| 2211 | } else |
| 2212 | if ((actionFrmType == |
| 2213 | WLAN_HDD_GO_NEG_CNF) |
| 2214 | && (global_p2p_connection_status == |
| 2215 | P2P_GO_NEG_PROCESS)) { |
| 2216 | global_p2p_connection_status = |
| 2217 | P2P_GO_NEG_COMPLETED; |
| 2218 | hddLog(LOGE, |
| 2219 | "[P2P State]GO negotiation progress to " |
| 2220 | "GO negotiation completed state"); |
| 2221 | } else |
| 2222 | if ((actionFrmType == |
| 2223 | WLAN_HDD_INVITATION_REQ) |
| 2224 | && (global_p2p_connection_status == |
| 2225 | P2P_NOT_ACTIVE)) { |
| 2226 | global_p2p_connection_status = |
| 2227 | P2P_GO_NEG_COMPLETED; |
| 2228 | hddLog(LOGE, |
| 2229 | "[P2P State]Inactive state to GO negotiation" |
| 2230 | " completed state Autonomous GO formation"); |
| 2231 | } |
| 2232 | } |
| 2233 | #endif |
| 2234 | mutex_lock(&cfgState->remain_on_chan_ctx_lock); |
| 2235 | pRemainChanCtx = cfgState->remain_on_chan_ctx; |
| 2236 | if (pRemainChanCtx != NULL) { |
| 2237 | if (actionFrmType == WLAN_HDD_GO_NEG_REQ |
| 2238 | || actionFrmType == |
| 2239 | WLAN_HDD_GO_NEG_RESP |
| 2240 | || actionFrmType == |
| 2241 | WLAN_HDD_INVITATION_REQ |
| 2242 | || actionFrmType == |
| 2243 | WLAN_HDD_DEV_DIS_REQ |
| 2244 | || actionFrmType == |
| 2245 | WLAN_HDD_PROV_DIS_REQ) { |
| 2246 | hddLog(LOG1, |
| 2247 | "Extend RoC timer on reception of Action Frame"); |
| 2248 | |
| 2249 | if ((actionFrmType == |
| 2250 | WLAN_HDD_GO_NEG_REQ) |
| 2251 | || (actionFrmType == |
| 2252 | WLAN_HDD_GO_NEG_RESP)) |
| 2253 | extend_time = |
| 2254 | 2 * |
| 2255 | ACTION_FRAME_DEFAULT_WAIT; |
| 2256 | else |
| 2257 | extend_time = |
| 2258 | ACTION_FRAME_DEFAULT_WAIT; |
| 2259 | |
| 2260 | if (completion_done |
| 2261 | (&pAdapter-> |
| 2262 | rem_on_chan_ready_event)) { |
| 2263 | if (CDF_TIMER_STATE_RUNNING == cdf_mc_timer_get_current_state(&pRemainChanCtx->hdd_remain_on_chan_timer)) { |
| 2264 | cdf_mc_timer_stop |
| 2265 | (&pRemainChanCtx-> |
| 2266 | hdd_remain_on_chan_timer); |
| 2267 | status = |
| 2268 | cdf_mc_timer_start |
| 2269 | (&pRemainChanCtx-> |
| 2270 | hdd_remain_on_chan_timer, |
| 2271 | extend_time); |
| 2272 | if (status != |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2273 | QDF_STATUS_SUCCESS) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2274 | hddLog |
| 2275 | (LOGE, |
| 2276 | "%s: Remain on Channel timer start failed", |
| 2277 | __func__); |
| 2278 | } |
| 2279 | } else { |
| 2280 | hddLog(LOG1, |
| 2281 | "%s: Rcvd action frame after timer expired", |
| 2282 | __func__); |
| 2283 | } |
| 2284 | } else { |
| 2285 | /* Buffer Packet */ |
| 2286 | if (pRemainChanCtx-> |
| 2287 | action_pkt_buff. |
| 2288 | frame_length == 0) { |
| 2289 | pRemainChanCtx-> |
| 2290 | action_pkt_buff. |
| 2291 | frame_length |
| 2292 | = |
| 2293 | nFrameLength; |
| 2294 | pRemainChanCtx-> |
| 2295 | action_pkt_buff. |
| 2296 | freq = freq; |
| 2297 | pRemainChanCtx-> |
| 2298 | action_pkt_buff. |
| 2299 | frame_ptr = |
| 2300 | cdf_mem_malloc |
| 2301 | (nFrameLength); |
| 2302 | cdf_mem_copy |
| 2303 | (pRemainChanCtx-> |
| 2304 | action_pkt_buff. |
| 2305 | frame_ptr, |
| 2306 | pbFrames, |
| 2307 | nFrameLength); |
| 2308 | hddLog(LOGE, |
| 2309 | "%s:" |
| 2310 | "Action Pkt Cached successfully !!!", |
| 2311 | __func__); |
| 2312 | } else { |
| 2313 | hddLog(LOGE, |
| 2314 | "%s:" |
| 2315 | "Frames are pending. dropping frame !!!", |
| 2316 | __func__); |
| 2317 | } |
| 2318 | mutex_unlock(&cfgState-> |
| 2319 | remain_on_chan_ctx_lock); |
| 2320 | return; |
| 2321 | } |
| 2322 | } |
| 2323 | } |
| 2324 | mutex_unlock(&cfgState-> |
| 2325 | remain_on_chan_ctx_lock); |
| 2326 | |
| 2327 | if (((actionFrmType == WLAN_HDD_PROV_DIS_RESP) |
| 2328 | && (cfgState->actionFrmState == |
| 2329 | HDD_PD_REQ_ACK_PENDING)) |
| 2330 | || ((actionFrmType == WLAN_HDD_GO_NEG_RESP) |
| 2331 | && (cfgState->actionFrmState == |
| 2332 | HDD_GO_NEG_REQ_ACK_PENDING))) { |
| 2333 | hddLog(LOG1, |
| 2334 | "%s: ACK_PENDING and But received RESP for Action frame ", |
| 2335 | __func__); |
| 2336 | hdd_send_action_cnf(pAdapter, true); |
| 2337 | } |
| 2338 | } |
| 2339 | #ifdef FEATURE_WLAN_TDLS |
| 2340 | else if (pbFrames |
| 2341 | [WLAN_HDD_PUBLIC_ACTION_FRAME_OFFSET + 1] == |
| 2342 | WLAN_HDD_PUBLIC_ACTION_TDLS_DISC_RESP) { |
| 2343 | u8 *mac = |
| 2344 | &pbFrames[WLAN_HDD_80211_FRM_DA_OFFSET + 6]; |
| 2345 | |
| 2346 | hddLog(LOG1, |
| 2347 | "[TDLS] TDLS Discovery Response," |
| 2348 | MAC_ADDRESS_STR " RSSI[%d] <--- OTA", |
| 2349 | MAC_ADDR_ARRAY(mac), rxRssi); |
| 2350 | |
| 2351 | wlan_hdd_tdls_set_rssi(pAdapter, mac, rxRssi); |
| 2352 | wlan_hdd_tdls_recv_discovery_resp(pAdapter, |
| 2353 | mac); |
| 2354 | } |
| 2355 | #endif |
| 2356 | } |
| 2357 | |
| 2358 | if (pbFrames[WLAN_HDD_PUBLIC_ACTION_FRAME_OFFSET] == |
| 2359 | WLAN_HDD_TDLS_ACTION_FRAME) { |
| 2360 | actionFrmType = |
| 2361 | pbFrames[WLAN_HDD_PUBLIC_ACTION_FRAME_OFFSET + 1]; |
| 2362 | if (actionFrmType >= MAX_TDLS_ACTION_FRAME_TYPE) { |
| 2363 | hddLog(LOG1, |
| 2364 | "[TDLS] unknown[%d] <--- OTA", |
| 2365 | actionFrmType); |
| 2366 | } else { |
| 2367 | hddLog(LOG1, |
| 2368 | "[TDLS] %s <--- OTA", |
| 2369 | tdls_action_frame_type[actionFrmType]); |
| 2370 | } |
| 2371 | } |
| 2372 | |
| 2373 | if ((pbFrames[WLAN_HDD_PUBLIC_ACTION_FRAME_OFFSET] == |
| 2374 | WLAN_HDD_QOS_ACTION_FRAME) |
| 2375 | && (pbFrames[WLAN_HDD_PUBLIC_ACTION_FRAME_OFFSET + 1] == |
| 2376 | WLAN_HDD_QOS_MAP_CONFIGURE)) { |
| 2377 | sme_update_dsc_pto_up_mapping(pHddCtx->hHal, |
| 2378 | pAdapter->hddWmmDscpToUpMap, |
| 2379 | pAdapter->sessionId); |
| 2380 | } |
| 2381 | } |
| 2382 | /* Indicate Frame Over Normal Interface */ |
| 2383 | hddLog(LOG1, FL("Indicate Frame over NL80211 Interface")); |
| 2384 | |
| 2385 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 18, 0)) |
| 2386 | cfg80211_rx_mgmt(pAdapter->dev->ieee80211_ptr, freq, 0, pbFrames, |
| 2387 | nFrameLength, NL80211_RXMGMT_FLAG_ANSWERED); |
| 2388 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 12, 0)) |
| 2389 | cfg80211_rx_mgmt(pAdapter->dev->ieee80211_ptr, freq, 0, pbFrames, |
| 2390 | nFrameLength, NL80211_RXMGMT_FLAG_ANSWERED, |
| 2391 | GFP_ATOMIC); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2392 | #else |
Amar Singhal | 01098f7 | 2015-10-08 11:55:32 -0700 | [diff] [blame] | 2393 | cfg80211_rx_mgmt(pAdapter->dev->ieee80211_ptr, freq, 0, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2394 | pbFrames, nFrameLength, GFP_ATOMIC); |
| 2395 | #endif /* LINUX_VERSION_CODE */ |
| 2396 | } |
| 2397 | |