Manikandan Mohan | dcc21ba | 2016-03-15 14:31:56 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2016 The Linux Foundation. All rights reserved. |
| 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 | * wlan_hdd_tsf.c - WLAN Host Device Driver tsf related implementation |
| 30 | */ |
| 31 | |
| 32 | #include "wlan_hdd_main.h" |
| 33 | #include "wma_api.h" |
| 34 | |
Manikandan Mohan | 5356c2b | 2016-04-03 15:51:35 -0700 | [diff] [blame] | 35 | static struct completion tsf_sync_get_completion_evt; |
| 36 | #define WLAN_TSF_SYNC_GET_TIMEOUT 2000 |
Manikandan Mohan | dcc21ba | 2016-03-15 14:31:56 -0700 | [diff] [blame] | 37 | /** |
| 38 | * hdd_capture_tsf() - capture tsf |
| 39 | * @adapter: pointer to adapter |
| 40 | * @buf: pointer to uplayer buf |
| 41 | * @len : the length of buf |
| 42 | * |
| 43 | * This function returns tsf value to uplayer. |
| 44 | * |
| 45 | * Return: 0 for success or non-zero negative failure code |
| 46 | */ |
| 47 | int hdd_capture_tsf(struct hdd_adapter_s *adapter, uint32_t *buf, int len) |
| 48 | { |
| 49 | int ret = 0; |
| 50 | hdd_station_ctx_t *hdd_sta_ctx; |
| 51 | |
| 52 | if (adapter == NULL || buf == NULL) { |
Manikandan Mohan | 5356c2b | 2016-04-03 15:51:35 -0700 | [diff] [blame] | 53 | hdd_err("invalid pointer"); |
Manikandan Mohan | dcc21ba | 2016-03-15 14:31:56 -0700 | [diff] [blame] | 54 | return -EINVAL; |
| 55 | } |
| 56 | if (len != 1) |
| 57 | return -EINVAL; |
| 58 | |
| 59 | /* Reset TSF value for new capture */ |
| 60 | adapter->tsf_high = 0; |
| 61 | adapter->tsf_low = 0; |
Manikandan Mohan | 5356c2b | 2016-04-03 15:51:35 -0700 | [diff] [blame] | 62 | adapter->tsf_sync_soc_timer = 0; |
Manikandan Mohan | dcc21ba | 2016-03-15 14:31:56 -0700 | [diff] [blame] | 63 | |
| 64 | if (adapter->device_mode == QDF_STA_MODE || |
| 65 | adapter->device_mode == QDF_P2P_CLIENT_MODE) { |
| 66 | hdd_sta_ctx = WLAN_HDD_GET_STATION_CTX_PTR(adapter); |
| 67 | if (hdd_sta_ctx->conn_info.connState != |
Manikandan Mohan | 5356c2b | 2016-04-03 15:51:35 -0700 | [diff] [blame] | 68 | eConnectionState_Associated) { |
| 69 | hdd_err("failed to cap tsf, not connect with ap"); |
Manikandan Mohan | dcc21ba | 2016-03-15 14:31:56 -0700 | [diff] [blame] | 70 | buf[0] = TSF_STA_NOT_CONNECTED_NO_TSF; |
| 71 | return ret; |
| 72 | } |
| 73 | } |
| 74 | if ((adapter->device_mode == QDF_SAP_MODE || |
| 75 | adapter->device_mode == QDF_P2P_GO_MODE) && |
| 76 | !(test_bit(SOFTAP_BSS_STARTED, &adapter->event_flags))) { |
Manikandan Mohan | 5356c2b | 2016-04-03 15:51:35 -0700 | [diff] [blame] | 77 | hdd_err("Soft AP / P2p GO not beaconing"); |
Manikandan Mohan | dcc21ba | 2016-03-15 14:31:56 -0700 | [diff] [blame] | 78 | buf[0] = TSF_SAP_NOT_STARTED_NO_TSF; |
| 79 | return ret; |
| 80 | } |
| 81 | if (adapter->tsf_state == TSF_CAP_STATE) { |
Manikandan Mohan | 5356c2b | 2016-04-03 15:51:35 -0700 | [diff] [blame] | 82 | hdd_err("current in capture state, pls reset"); |
| 83 | buf[0] = TSF_CURRENT_IN_CAP_STATE; |
Manikandan Mohan | dcc21ba | 2016-03-15 14:31:56 -0700 | [diff] [blame] | 84 | } else { |
Manikandan Mohan | 5356c2b | 2016-04-03 15:51:35 -0700 | [diff] [blame] | 85 | hdd_info("Send TSF capture to FW"); |
Manikandan Mohan | dcc21ba | 2016-03-15 14:31:56 -0700 | [diff] [blame] | 86 | buf[0] = TSF_RETURN; |
| 87 | adapter->tsf_state = TSF_CAP_STATE; |
Manikandan Mohan | 5356c2b | 2016-04-03 15:51:35 -0700 | [diff] [blame] | 88 | init_completion(&tsf_sync_get_completion_evt); |
Manikandan Mohan | dcc21ba | 2016-03-15 14:31:56 -0700 | [diff] [blame] | 89 | ret = wma_cli_set_command((int)adapter->sessionId, |
| 90 | (int)GEN_PARAM_CAPTURE_TSF, |
| 91 | adapter->sessionId, |
| 92 | GEN_CMD); |
| 93 | |
| 94 | if (ret != QDF_STATUS_SUCCESS) { |
Manikandan Mohan | 5356c2b | 2016-04-03 15:51:35 -0700 | [diff] [blame] | 95 | hdd_err("capture fail"); |
Manikandan Mohan | dcc21ba | 2016-03-15 14:31:56 -0700 | [diff] [blame] | 96 | buf[0] = TSF_CAPTURE_FAIL; |
| 97 | adapter->tsf_state = TSF_IDLE; |
| 98 | } |
| 99 | } |
| 100 | return ret; |
| 101 | } |
| 102 | |
| 103 | /** |
Manikandan Mohan | 5356c2b | 2016-04-03 15:51:35 -0700 | [diff] [blame] | 104 | * hdd_tsf_reset_gpio() - Reset TSF GPIO used for host timer sync |
| 105 | * @adapter: pointer to adapter |
| 106 | * |
| 107 | * This function send WMI command to reset GPIO configured in FW after |
| 108 | * TSF get operation. |
| 109 | * |
| 110 | * Return: TSF_RETURN on Success, TSF_RESET_GPIO_FAIL on failure |
| 111 | */ |
| 112 | #ifdef QCA_WIFI_3_0 |
| 113 | int hdd_tsf_reset_gpio(struct hdd_adapter_s *adapter) |
| 114 | { |
| 115 | /* No GPIO Host timer sync for integrated WIFI Device */ |
| 116 | return TSF_RETURN; |
| 117 | } |
| 118 | #else |
| 119 | int hdd_tsf_reset_gpio(struct hdd_adapter_s *adapter) |
| 120 | { |
| 121 | int ret; |
| 122 | ret = wma_cli_set_command((int)adapter->sessionId, |
| 123 | (int)GEN_PARAM_RESET_TSF_GPIO, adapter->sessionId, |
| 124 | GEN_CMD); |
| 125 | |
| 126 | if (ret != 0) { |
| 127 | hdd_err("tsf reset GPIO fail "); |
| 128 | ret = TSF_RESET_GPIO_FAIL; |
| 129 | } else { |
| 130 | ret = TSF_RETURN; |
| 131 | } |
| 132 | return ret; |
| 133 | } |
| 134 | #endif |
| 135 | |
| 136 | /** |
Manikandan Mohan | dcc21ba | 2016-03-15 14:31:56 -0700 | [diff] [blame] | 137 | * hdd_indicate_tsf() - return tsf to uplayer |
| 138 | * @adapter: pointer to adapter |
| 139 | * @buf: pointer to uplayer buf |
| 140 | * @len : the length of buf |
| 141 | * |
| 142 | * This function returns tsf value to upper layer. |
| 143 | * |
| 144 | * Return: 0 for success or non-zero negative failure code |
| 145 | */ |
| 146 | int hdd_indicate_tsf(struct hdd_adapter_s *adapter, uint32_t *buf, int len) |
| 147 | { |
Manikandan Mohan | dcc21ba | 2016-03-15 14:31:56 -0700 | [diff] [blame] | 148 | hdd_station_ctx_t *hdd_sta_ctx; |
| 149 | |
| 150 | if (adapter == NULL || buf == NULL) { |
Manikandan Mohan | 5356c2b | 2016-04-03 15:51:35 -0700 | [diff] [blame] | 151 | hdd_err("invalid pointer"); |
Manikandan Mohan | dcc21ba | 2016-03-15 14:31:56 -0700 | [diff] [blame] | 152 | return -EINVAL; |
| 153 | } |
| 154 | |
| 155 | if (len != 3) |
| 156 | return -EINVAL; |
| 157 | |
| 158 | buf[1] = 0; |
| 159 | buf[2] = 0; |
| 160 | if (adapter->device_mode == QDF_STA_MODE || |
| 161 | adapter->device_mode == QDF_P2P_CLIENT_MODE) { |
| 162 | hdd_sta_ctx = WLAN_HDD_GET_STATION_CTX_PTR(adapter); |
| 163 | if (hdd_sta_ctx->conn_info.connState != |
Manikandan Mohan | 5356c2b | 2016-04-03 15:51:35 -0700 | [diff] [blame] | 164 | eConnectionState_Associated) { |
| 165 | hdd_info("fail to get tsf, sta in disconnected"); |
Manikandan Mohan | dcc21ba | 2016-03-15 14:31:56 -0700 | [diff] [blame] | 166 | buf[0] = TSF_STA_NOT_CONNECTED_NO_TSF; |
Manikandan Mohan | 5356c2b | 2016-04-03 15:51:35 -0700 | [diff] [blame] | 167 | return 0; |
Manikandan Mohan | dcc21ba | 2016-03-15 14:31:56 -0700 | [diff] [blame] | 168 | } |
| 169 | } |
| 170 | if ((adapter->device_mode == QDF_SAP_MODE || |
Manikandan Mohan | 5356c2b | 2016-04-03 15:51:35 -0700 | [diff] [blame] | 171 | adapter->device_mode == QDF_P2P_GO_MODE) && |
| 172 | !(test_bit(SOFTAP_BSS_STARTED, |
| 173 | &adapter->event_flags))) { |
| 174 | hdd_err("Soft AP / P2p GO not beaconing"); |
Manikandan Mohan | dcc21ba | 2016-03-15 14:31:56 -0700 | [diff] [blame] | 175 | buf[0] = TSF_SAP_NOT_STARTED_NO_TSF; |
Manikandan Mohan | 5356c2b | 2016-04-03 15:51:35 -0700 | [diff] [blame] | 176 | return 0; |
Manikandan Mohan | dcc21ba | 2016-03-15 14:31:56 -0700 | [diff] [blame] | 177 | } |
| 178 | if (adapter->tsf_high == 0 && adapter->tsf_low == 0) { |
Manikandan Mohan | 5356c2b | 2016-04-03 15:51:35 -0700 | [diff] [blame] | 179 | hdd_info("TSF value not received"); |
Manikandan Mohan | dcc21ba | 2016-03-15 14:31:56 -0700 | [diff] [blame] | 180 | buf[0] = TSF_NOT_RETURNED_BY_FW; |
| 181 | } else { |
Manikandan Mohan | 5356c2b | 2016-04-03 15:51:35 -0700 | [diff] [blame] | 182 | buf[0] = hdd_tsf_reset_gpio(adapter); |
Manikandan Mohan | dcc21ba | 2016-03-15 14:31:56 -0700 | [diff] [blame] | 183 | buf[1] = adapter->tsf_low; |
| 184 | buf[2] = adapter->tsf_high; |
| 185 | adapter->tsf_state = TSF_IDLE; |
Manikandan Mohan | 5356c2b | 2016-04-03 15:51:35 -0700 | [diff] [blame] | 186 | hdd_info("get tsf cmd,status=%u, tsf_low=%u, tsf_high=%u", |
Manikandan Mohan | dcc21ba | 2016-03-15 14:31:56 -0700 | [diff] [blame] | 187 | buf[0], buf[1], buf[2]); |
| 188 | } |
Manikandan Mohan | 5356c2b | 2016-04-03 15:51:35 -0700 | [diff] [blame] | 189 | return 0; |
Manikandan Mohan | dcc21ba | 2016-03-15 14:31:56 -0700 | [diff] [blame] | 190 | } |
| 191 | |
| 192 | /** |
| 193 | * hdd_get_tsf_cb() - handle tsf callback |
| 194 | * @pcb_cxt: pointer to the hdd_contex |
| 195 | * @ptsf: pointer to struct stsf |
| 196 | * |
| 197 | * This function handle the event that reported by firmware at first. |
| 198 | * The event contains the vdev_id, current tsf value of this vdev, |
| 199 | * tsf value is 64bits, discripted in two varaible tsf_low and tsf_high. |
| 200 | * These two values each is uint32. |
| 201 | * |
| 202 | * Return: 0 for success or non-zero negative failure code |
| 203 | */ |
Arun Khandavalli | 4b55da7 | 2016-07-19 19:55:01 +0530 | [diff] [blame^] | 204 | int hdd_get_tsf_cb(void *pcb_cxt, struct stsf *ptsf) |
Manikandan Mohan | dcc21ba | 2016-03-15 14:31:56 -0700 | [diff] [blame] | 205 | { |
| 206 | struct hdd_context_s *hddctx; |
| 207 | struct hdd_adapter_s *adapter; |
| 208 | int status; |
| 209 | |
| 210 | if (pcb_cxt == NULL || ptsf == NULL) { |
Manikandan Mohan | 5356c2b | 2016-04-03 15:51:35 -0700 | [diff] [blame] | 211 | hdd_err("HDD context is not valid"); |
Manikandan Mohan | dcc21ba | 2016-03-15 14:31:56 -0700 | [diff] [blame] | 212 | return -EINVAL; |
| 213 | } |
| 214 | |
| 215 | hddctx = (struct hdd_context_s *)pcb_cxt; |
| 216 | status = wlan_hdd_validate_context(hddctx); |
| 217 | if (0 != status) { |
Manikandan Mohan | dcc21ba | 2016-03-15 14:31:56 -0700 | [diff] [blame] | 218 | return -EINVAL; |
| 219 | } |
| 220 | |
| 221 | adapter = hdd_get_adapter_by_vdev(hddctx, ptsf->vdev_id); |
| 222 | |
| 223 | if (NULL == adapter) { |
Manikandan Mohan | 5356c2b | 2016-04-03 15:51:35 -0700 | [diff] [blame] | 224 | hdd_err("failed to find adapter"); |
Manikandan Mohan | dcc21ba | 2016-03-15 14:31:56 -0700 | [diff] [blame] | 225 | return -EINVAL; |
| 226 | } |
Manikandan Mohan | 5356c2b | 2016-04-03 15:51:35 -0700 | [diff] [blame] | 227 | hdd_info("tsf cb handle event, device_mode is %d", |
Manikandan Mohan | dcc21ba | 2016-03-15 14:31:56 -0700 | [diff] [blame] | 228 | adapter->device_mode); |
| 229 | |
| 230 | adapter->tsf_low = ptsf->tsf_low; |
| 231 | adapter->tsf_high = ptsf->tsf_high; |
Manikandan Mohan | 5356c2b | 2016-04-03 15:51:35 -0700 | [diff] [blame] | 232 | adapter->tsf_sync_soc_timer = ((uint64_t) ptsf->soc_timer_high << 32 | |
| 233 | ptsf->soc_timer_low); |
Manikandan Mohan | dcc21ba | 2016-03-15 14:31:56 -0700 | [diff] [blame] | 234 | |
Manikandan Mohan | 5356c2b | 2016-04-03 15:51:35 -0700 | [diff] [blame] | 235 | complete(&tsf_sync_get_completion_evt); |
| 236 | hdd_info("Vdev=%u, tsf_low=%u, tsf_high=%u soc_timer=%llu", |
| 237 | ptsf->vdev_id, ptsf->tsf_low, ptsf->tsf_high, |
| 238 | adapter->tsf_sync_soc_timer); |
Manikandan Mohan | dcc21ba | 2016-03-15 14:31:56 -0700 | [diff] [blame] | 239 | return 0; |
| 240 | } |
| 241 | |
| 242 | /** |
Manikandan Mohan | 5356c2b | 2016-04-03 15:51:35 -0700 | [diff] [blame] | 243 | * __wlan_hdd_cfg80211_handle_tsf_cmd(): Setup TSF operations |
| 244 | * @wiphy: Pointer to wireless phy |
| 245 | * @wdev: Pointer to wireless device |
| 246 | * @data: Pointer to data |
| 247 | * @data_len: Data length |
| 248 | * |
| 249 | * Handle TSF SET / GET operation from userspace |
| 250 | * |
| 251 | * Return: 0 on success, negative errno on failure |
| 252 | */ |
| 253 | static int __wlan_hdd_cfg80211_handle_tsf_cmd(struct wiphy *wiphy, |
| 254 | struct wireless_dev *wdev, |
| 255 | const void *data, |
| 256 | int data_len) |
| 257 | { |
| 258 | struct net_device *dev = wdev->netdev; |
| 259 | hdd_adapter_t *adapter = WLAN_HDD_GET_PRIV_PTR(dev); |
| 260 | hdd_context_t *hdd_ctx = wiphy_priv(wiphy); |
| 261 | struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_TSF_MAX + 1]; |
| 262 | int status, ret; |
| 263 | struct sk_buff *reply_skb; |
| 264 | uint32_t tsf_op_resp[3], tsf_cmd; |
| 265 | |
| 266 | ENTER_DEV(wdev->netdev); |
| 267 | |
| 268 | status = wlan_hdd_validate_context(hdd_ctx); |
| 269 | if (0 != status) |
| 270 | return -EINVAL; |
| 271 | |
| 272 | if (nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_TSF_MAX, data, |
| 273 | data_len, NULL)) { |
| 274 | hdd_err("Invalid TSF cmd"); |
| 275 | return -EINVAL; |
| 276 | } |
| 277 | |
| 278 | if (!tb_vendor[QCA_WLAN_VENDOR_ATTR_TSF_CMD]) { |
| 279 | hdd_err("Invalid TSF cmd"); |
| 280 | return -EINVAL; |
| 281 | } |
| 282 | tsf_cmd = nla_get_u32(tb_vendor[QCA_WLAN_VENDOR_ATTR_TSF_CMD]); |
| 283 | |
| 284 | if (tsf_cmd == QCA_TSF_CAPTURE || tsf_cmd == QCA_TSF_SYNC_GET) { |
| 285 | hdd_capture_tsf(adapter, tsf_op_resp, 1); |
| 286 | switch (tsf_op_resp[0]) { |
| 287 | case TSF_RETURN: |
| 288 | status = 0; |
| 289 | break; |
| 290 | case TSF_CURRENT_IN_CAP_STATE: |
| 291 | status = -EALREADY; |
| 292 | break; |
| 293 | case TSF_STA_NOT_CONNECTED_NO_TSF: |
| 294 | case TSF_SAP_NOT_STARTED_NO_TSF: |
| 295 | status = -EPERM; |
| 296 | break; |
| 297 | default: |
| 298 | case TSF_CAPTURE_FAIL: |
| 299 | status = -EINVAL; |
| 300 | break; |
| 301 | } |
| 302 | } |
| 303 | if (status < 0) |
| 304 | goto end; |
| 305 | |
| 306 | if (tsf_cmd == QCA_TSF_SYNC_GET) { |
| 307 | ret = wait_for_completion_timeout(&tsf_sync_get_completion_evt, |
| 308 | msecs_to_jiffies(WLAN_TSF_SYNC_GET_TIMEOUT)); |
| 309 | if (ret == 0) { |
| 310 | status = -ETIMEDOUT; |
| 311 | goto end; |
| 312 | } |
| 313 | } |
| 314 | |
| 315 | if (tsf_cmd == QCA_TSF_GET || tsf_cmd == QCA_TSF_SYNC_GET) { |
| 316 | hdd_indicate_tsf(adapter, tsf_op_resp, 3); |
| 317 | switch (tsf_op_resp[0]) { |
| 318 | case TSF_RETURN: |
| 319 | status = 0; |
| 320 | break; |
| 321 | case TSF_NOT_RETURNED_BY_FW: |
| 322 | status = -EINPROGRESS; |
| 323 | break; |
| 324 | case TSF_STA_NOT_CONNECTED_NO_TSF: |
| 325 | case TSF_SAP_NOT_STARTED_NO_TSF: |
| 326 | status = -EPERM; |
| 327 | break; |
| 328 | default: |
| 329 | status = -EINVAL; |
| 330 | break; |
| 331 | } |
| 332 | if (status != 0) |
| 333 | goto end; |
| 334 | |
| 335 | reply_skb = cfg80211_vendor_event_alloc(hdd_ctx->wiphy, NULL, |
| 336 | sizeof(uint64_t) * 2 + NLMSG_HDRLEN, |
| 337 | QCA_NL80211_VENDOR_SUBCMD_TSF_INDEX, |
| 338 | GFP_KERNEL); |
| 339 | if (!reply_skb) { |
| 340 | hdd_err("cfg80211_vendor_cmd_alloc_reply_skb failed"); |
| 341 | status = -ENOMEM; |
| 342 | goto end; |
| 343 | } |
| 344 | if (nla_put_u64(reply_skb, QCA_WLAN_VENDOR_ATTR_TSF_TIMER_VALUE, |
| 345 | ((uint64_t) adapter->tsf_high << 32 | |
| 346 | adapter->tsf_low)) || |
| 347 | nla_put_u64(reply_skb, |
| 348 | QCA_WLAN_VENDOR_ATTR_TSF_SOC_TIMER_VALUE, |
| 349 | adapter->tsf_sync_soc_timer)){ |
| 350 | hdd_err("nla put fail"); |
| 351 | kfree_skb(reply_skb); |
| 352 | status = -EINVAL; |
| 353 | goto end; |
| 354 | } |
| 355 | status = cfg80211_vendor_cmd_reply(reply_skb); |
| 356 | } |
| 357 | |
| 358 | end: |
| 359 | hdd_info("TSF operation %d Status: %d", tsf_cmd, status); |
| 360 | return status; |
| 361 | } |
| 362 | |
| 363 | /** |
| 364 | * wlan_hdd_cfg80211_handle_tsf_cmd(): Setup TSF operations |
| 365 | * @wiphy: Pointer to wireless phy |
| 366 | * @wdev: Pointer to wireless device |
| 367 | * @data: Pointer to data |
| 368 | * @data_len: Data length |
| 369 | * |
| 370 | * Handle TSF SET / GET operation from userspace |
| 371 | * |
| 372 | * Return: 0 on success, negative errno on failure |
| 373 | */ |
| 374 | int wlan_hdd_cfg80211_handle_tsf_cmd(struct wiphy *wiphy, |
| 375 | struct wireless_dev *wdev, |
| 376 | const void *data, |
| 377 | int data_len) |
| 378 | { |
| 379 | int ret; |
| 380 | |
| 381 | cds_ssr_protect(__func__); |
| 382 | ret = __wlan_hdd_cfg80211_handle_tsf_cmd(wiphy, wdev, data, data_len); |
| 383 | cds_ssr_unprotect(__func__); |
| 384 | |
| 385 | return ret; |
| 386 | } |
| 387 | |
| 388 | /** |
Manikandan Mohan | dcc21ba | 2016-03-15 14:31:56 -0700 | [diff] [blame] | 389 | * wlan_hdd_tsf_init() - set callback to handle tsf value. |
| 390 | * @hdd_ctx: pointer to the struct hdd_context_s |
| 391 | * |
| 392 | * This function set the callback to sme module, the callback will be |
| 393 | * called when a tsf event is reported by firmware |
| 394 | * |
| 395 | * Return: none |
| 396 | */ |
| 397 | void wlan_hdd_tsf_init(struct hdd_context_s *hdd_ctx) |
| 398 | { |
| 399 | sme_set_tsfcb(hdd_ctx->hHal, hdd_get_tsf_cb, hdd_ctx); |
| 400 | } |