1 /* 2 * Copyright (c) 2017-2018 The Linux Foundation. All rights reserved. 3 * 4 * 5 * Permission to use, copy, modify, and/or distribute this software for 6 * any purpose with or without fee is hereby granted, provided that the 7 * above copyright notice and this permission notice appear in all 8 * copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL 11 * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED 12 * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE 13 * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL 14 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR 15 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER 16 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 17 * PERFORMANCE OF THIS SOFTWARE. 18 */ 19 20 /** 21 * DOC: target_if_dfs.c 22 * This file contains dfs target interface 23 */ 24 25 #include <target_if.h> 26 #include <qdf_types.h> 27 #include <qdf_status.h> 28 #include <target_if_dfs.h> 29 #include <wlan_module_ids.h> 30 #include <wmi_unified_api.h> 31 #include <wlan_lmac_if_def.h> 32 #include <wmi_unified_priv.h> 33 #include <wlan_scan_tgt_api.h> 34 #include <wmi_unified_param.h> 35 #include <wmi_unified_dfs_api.h> 36 #include "wlan_dfs_tgt_api.h" 37 #include "target_type.h" 38 #include <init_deinit_lmac.h> 39 #include <wlan_reg_ucfg_api.h> 40 #include <target_if_dfs_full_offload.h> 41 #include <target_if_dfs_partial_offload.h> 42 43 /** 44 * target_if_dfs_register_host_status_check_event() - Register host dfs 45 * confirmation event. 46 * @psoc: pointer to psoc. 47 * 48 * Return: QDF_STATUS. 49 */ 50 #if defined(WLAN_DFS_PARTIAL_OFFLOAD) && defined(HOST_DFS_SPOOF_TEST) 51 static QDF_STATUS target_if_dfs_register_host_status_check_event( 52 struct wlan_objmgr_psoc *psoc) 53 54 { 55 wmi_unified_t wmi_handle; 56 QDF_STATUS retval; 57 58 wmi_handle = get_wmi_unified_hdl_from_psoc(psoc); 59 if (!wmi_handle) { 60 target_if_err("null wmi_handle"); 61 return QDF_STATUS_E_FAILURE; 62 } 63 64 retval = wmi_unified_register_event(wmi_handle, 65 wmi_host_dfs_status_check_event_id, 66 target_if_dfs_status_check_event_handler); 67 if (QDF_IS_STATUS_ERROR(retval)) 68 target_if_err("wmi_dfs_radar_detection_event_id ret=%d", 69 retval); 70 71 return retval; 72 } 73 #else 74 static QDF_STATUS target_if_dfs_register_host_status_check_event( 75 struct wlan_objmgr_psoc *psoc) 76 { 77 return QDF_STATUS_SUCCESS; 78 } 79 #endif 80 81 /** 82 * target_if_is_dfs_3() - Is dfs3 support or not 83 * @target_type: target type being used. 84 * 85 * Return: true if dfs3 is supported, false otherwise. 86 */ 87 static bool target_if_is_dfs_3(uint32_t target_type) 88 { 89 bool is_dfs_3; 90 91 switch (target_type) { 92 case TARGET_TYPE_AR6320: 93 is_dfs_3 = false; 94 break; 95 case TARGET_TYPE_ADRASTEA: 96 is_dfs_3 = true; 97 break; 98 default: 99 is_dfs_3 = true; 100 } 101 102 return is_dfs_3; 103 } 104 105 #ifdef QCA_MCL_DFS_SUPPORT 106 /** 107 * target_if_radar_event_handler() - handle radar event when 108 * phyerr filter offload is enabled. 109 * @scn: Handle to HIF context 110 * @data: radar event buffer 111 * @datalen: radar event buffer length 112 * 113 * Return: 0 on success; error code otherwise 114 */ 115 static int target_if_radar_event_handler( 116 ol_scn_t scn, uint8_t *data, uint32_t datalen) 117 { 118 struct radar_event_info wlan_radar_event; 119 struct wlan_objmgr_psoc *psoc; 120 struct wlan_objmgr_pdev *pdev; 121 struct wlan_lmac_if_dfs_rx_ops *dfs_rx_ops; 122 123 if (!scn || !data) { 124 target_if_err("scn: %pK, data: %pK", scn, data); 125 return -EINVAL; 126 } 127 psoc = target_if_get_psoc_from_scn_hdl(scn); 128 if (!psoc) { 129 target_if_err("null psoc"); 130 return -EINVAL; 131 } 132 dfs_rx_ops = target_if_dfs_get_rx_ops(psoc); 133 134 if (!dfs_rx_ops || !dfs_rx_ops->dfs_process_phyerr_filter_offload) { 135 target_if_err("Invalid dfs_rx_ops: %pK", dfs_rx_ops); 136 return -EINVAL; 137 } 138 if (QDF_IS_STATUS_ERROR(wmi_extract_wlan_radar_event_info( 139 GET_WMI_HDL_FROM_PSOC(psoc), data, 140 &wlan_radar_event, datalen))) { 141 target_if_err("failed to extract wlan radar event"); 142 return -EFAULT; 143 } 144 pdev = wlan_objmgr_get_pdev_by_id(psoc, wlan_radar_event.pdev_id, 145 WLAN_DFS_ID); 146 if (!pdev) { 147 target_if_err("null pdev"); 148 return -EINVAL; 149 } 150 dfs_rx_ops->dfs_process_phyerr_filter_offload(pdev, 151 &wlan_radar_event); 152 wlan_objmgr_pdev_release_ref(pdev, WLAN_DFS_ID); 153 154 return 0; 155 } 156 157 /** 158 * target_if_reg_phyerr_events() - register dfs phyerr radar event. 159 * @psoc: pointer to psoc. 160 * @pdev: pointer to pdev. 161 * 162 * Return: QDF_STATUS. 163 */ 164 static QDF_STATUS target_if_reg_phyerr_events_dfs2( 165 struct wlan_objmgr_psoc *psoc) 166 { 167 int ret; 168 169 ret = wmi_unified_register_event(get_wmi_unified_hdl_from_psoc(psoc), 170 wmi_dfs_radar_event_id, 171 target_if_radar_event_handler); 172 if (ret) { 173 target_if_err("failed to register wmi_dfs_radar_event_id"); 174 return QDF_STATUS_E_FAILURE; 175 } 176 177 return QDF_STATUS_SUCCESS; 178 } 179 #else 180 static QDF_STATUS target_if_reg_phyerr_events_dfs2( 181 struct wlan_objmgr_psoc *psoc) 182 { 183 return QDF_STATUS_SUCCESS; 184 } 185 #endif 186 187 static bool target_if_dfs_offload(struct wlan_objmgr_psoc *psoc) 188 { 189 return wmi_service_enabled(get_wmi_unified_hdl_from_psoc(psoc), 190 wmi_service_dfs_phyerr_offload); 191 } 192 193 static QDF_STATUS target_if_dfs_register_event_handler( 194 struct wlan_objmgr_psoc *psoc) 195 { 196 struct target_psoc_info *tgt_psoc_info; 197 198 if (!psoc) { 199 target_if_err("null psoc"); 200 return QDF_STATUS_E_FAILURE; 201 } 202 203 if (!target_if_dfs_offload(psoc)) { 204 tgt_psoc_info = wlan_psoc_get_tgt_if_handle(psoc); 205 if (!tgt_psoc_info) { 206 target_if_err("null tgt_psoc_info"); 207 return QDF_STATUS_E_FAILURE; 208 } 209 210 target_if_dfs_register_host_status_check_event(psoc); 211 212 if (target_if_is_dfs_3( 213 target_psoc_get_target_type(tgt_psoc_info))) 214 return target_if_dfs_reg_phyerr_events(psoc); 215 else 216 return target_if_reg_phyerr_events_dfs2(psoc); 217 } else { 218 return target_if_dfs_reg_offload_events(psoc); 219 } 220 } 221 222 static QDF_STATUS target_if_dfs_is_pdev_5ghz(struct wlan_objmgr_pdev *pdev, 223 bool *is_5ghz) 224 { 225 struct wlan_objmgr_psoc *psoc; 226 uint8_t pdev_id; 227 struct wlan_psoc_host_hal_reg_capabilities_ext *reg_cap_ptr; 228 229 psoc = wlan_pdev_get_psoc(pdev); 230 if (!psoc) { 231 target_if_err("dfs: null psoc"); 232 return QDF_STATUS_E_FAILURE; 233 } 234 235 pdev_id = wlan_objmgr_pdev_get_pdev_id(pdev); 236 237 reg_cap_ptr = ucfg_reg_get_hal_reg_cap(psoc); 238 if (!reg_cap_ptr) { 239 target_if_err("dfs: reg cap null"); 240 return QDF_STATUS_E_FAILURE; 241 } 242 243 if (reg_cap_ptr[pdev_id].wireless_modes & 244 WMI_HOST_REGDMN_MODE_11A) 245 *is_5ghz = true; 246 else 247 *is_5ghz = false; 248 249 return QDF_STATUS_SUCCESS; 250 } 251 252 #ifdef QCA_MCL_DFS_SUPPORT 253 /** 254 * target_if_dfs_set_phyerr_filter_offload() - config phyerr filter offload. 255 * @pdev: Pointer to DFS pdev object. 256 * @dfs_phyerr_filter_offload: Phyerr filter offload value. 257 * 258 * Return: QDF_STATUS 259 */ 260 static QDF_STATUS target_if_dfs_set_phyerr_filter_offload( 261 struct wlan_objmgr_pdev *pdev, 262 bool dfs_phyerr_filter_offload) 263 { 264 QDF_STATUS status; 265 void *wmi_handle; 266 267 if (!pdev) { 268 target_if_err("null pdev"); 269 return QDF_STATUS_E_FAILURE; 270 } 271 272 wmi_handle = GET_WMI_HDL_FROM_PDEV(pdev); 273 if (!wmi_handle) { 274 target_if_err("null wmi_handle"); 275 return QDF_STATUS_E_FAILURE; 276 } 277 278 status = wmi_unified_dfs_phyerr_filter_offload_en_cmd(wmi_handle, 279 dfs_phyerr_filter_offload); 280 if (QDF_IS_STATUS_ERROR(status)) 281 target_if_err("phyerr filter offload %d set fail: %d", 282 dfs_phyerr_filter_offload, status); 283 284 return status; 285 } 286 #else 287 static QDF_STATUS target_if_dfs_set_phyerr_filter_offload( 288 struct wlan_objmgr_pdev *pdev, 289 bool dfs_phyerr_filter_offload) 290 { 291 return QDF_STATUS_SUCCESS; 292 } 293 #endif 294 295 static QDF_STATUS target_send_dfs_offload_enable_cmd( 296 struct wlan_objmgr_pdev *pdev, bool enable) 297 { 298 QDF_STATUS status = QDF_STATUS_SUCCESS; 299 uint8_t pdev_id; 300 void *wmi_hdl; 301 302 if (!pdev) { 303 target_if_err("null pdev"); 304 return QDF_STATUS_E_FAILURE; 305 } 306 307 wmi_hdl = GET_WMI_HDL_FROM_PDEV(pdev); 308 if (!wmi_hdl) { 309 target_if_err("null wmi_hdl"); 310 return QDF_STATUS_E_FAILURE; 311 } 312 313 pdev_id = wlan_objmgr_pdev_get_pdev_id(pdev); 314 315 if (enable) 316 status = wmi_unified_dfs_phyerr_offload_en_cmd(wmi_hdl, 317 pdev_id); 318 else 319 status = wmi_unified_dfs_phyerr_offload_dis_cmd(wmi_hdl, 320 pdev_id); 321 322 if (QDF_IS_STATUS_ERROR(status)) 323 target_if_err("dfs: dfs offload cmd failed, enable:%d, pdev:%d", 324 enable, pdev_id); 325 else 326 target_if_debug("dfs: sent dfs offload cmd, enable:%d, pdev:%d", 327 enable, pdev_id); 328 329 return status; 330 } 331 332 QDF_STATUS target_if_register_dfs_tx_ops(struct wlan_lmac_if_tx_ops *tx_ops) 333 { 334 struct wlan_lmac_if_dfs_tx_ops *dfs_tx_ops; 335 336 if (!tx_ops) { 337 target_if_err("invalid tx_ops"); 338 return QDF_STATUS_E_FAILURE; 339 } 340 341 dfs_tx_ops = &tx_ops->dfs_tx_ops; 342 dfs_tx_ops->dfs_reg_ev_handler = &target_if_dfs_register_event_handler; 343 344 dfs_tx_ops->dfs_process_emulate_bang_radar_cmd = 345 &target_process_bang_radar_cmd; 346 dfs_tx_ops->dfs_is_pdev_5ghz = &target_if_dfs_is_pdev_5ghz; 347 dfs_tx_ops->dfs_send_offload_enable_cmd = 348 &target_send_dfs_offload_enable_cmd; 349 350 dfs_tx_ops->dfs_set_phyerr_filter_offload = 351 &target_if_dfs_set_phyerr_filter_offload; 352 353 dfs_tx_ops->dfs_get_caps = &target_if_dfs_get_caps; 354 dfs_tx_ops->dfs_send_avg_radar_params_to_fw = 355 &target_if_dfs_send_avg_params_to_fw; 356 dfs_tx_ops->dfs_is_tgt_offload = &target_if_dfs_offload; 357 358 return QDF_STATUS_SUCCESS; 359 } 360