1 /* 2 * Copyright (c) 2017-2019 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_reg.c 22 * This file contains regulatory target interfaces. 23 */ 24 25 #include <wmi_unified_api.h> 26 #include <reg_services_public_struct.h> 27 #include <wlan_reg_tgt_api.h> 28 #include <target_if.h> 29 #include <target_if_reg.h> 30 #include <wmi_unified_reg_api.h> 31 #include <qdf_platform.h> 32 #include <target_if_reg_11d.h> 33 #include <target_if_reg_lte.h> 34 #include <wlan_reg_ucfg_api.h> 35 36 /** 37 * get_chan_list_cc_event_id() - Get chan_list_cc event i 38 * 39 * Return: Event id 40 */ 41 static inline uint32_t get_chan_list_cc_event_id(void) 42 { 43 return wmi_reg_chan_list_cc_event_id; 44 } 45 46 /** 47 * tgt_if_regulatory_is_regdb_offloaded() - Check if regdb is offloaded 48 * @psoc: Pointer to psoc 49 * 50 * Return: true if regdb if offloaded, else false 51 */ 52 static bool tgt_if_regulatory_is_regdb_offloaded(struct wlan_objmgr_psoc *psoc) 53 { 54 wmi_unified_t wmi_handle = get_wmi_unified_hdl_from_psoc(psoc); 55 56 if (!wmi_handle) 57 return false; 58 59 return wmi_service_enabled(wmi_handle, wmi_service_regulatory_db); 60 } 61 62 /** 63 * tgt_if_regulatory_is_there_serv_ready_extn() - Check for service ready 64 * extension 65 * @psoc: Pointer to psoc object 66 * 67 * Return: true if service ready extension is present, else false. 68 */ 69 static bool tgt_if_regulatory_is_there_serv_ready_extn( 70 struct wlan_objmgr_psoc *psoc) 71 { 72 wmi_unified_t wmi_handle = get_wmi_unified_hdl_from_psoc(psoc); 73 74 if (!wmi_handle) 75 return false; 76 77 return wmi_service_enabled(wmi_handle, wmi_service_ext_msg); 78 } 79 80 /** 81 * target_if_regulatory_get_rx_ops() - Get regdb rx ops 82 * @psoc: Pointer to psoc object 83 * 84 * Return: Reg rx_ops 85 */ 86 struct wlan_lmac_if_reg_rx_ops * 87 target_if_regulatory_get_rx_ops(struct wlan_objmgr_psoc *psoc) 88 { 89 return &psoc->soc_cb.rx_ops.reg_rx_ops; 90 } 91 92 QDF_STATUS target_if_reg_set_offloaded_info(struct wlan_objmgr_psoc *psoc) 93 { 94 struct wlan_lmac_if_reg_rx_ops *reg_rx_ops; 95 96 reg_rx_ops = target_if_regulatory_get_rx_ops(psoc); 97 if (!reg_rx_ops) { 98 target_if_err("reg_rx_ops is NULL"); 99 return QDF_STATUS_E_FAILURE; 100 } 101 102 if (reg_rx_ops->reg_set_regdb_offloaded) 103 reg_rx_ops->reg_set_regdb_offloaded( 104 psoc, 105 tgt_if_regulatory_is_regdb_offloaded(psoc)); 106 107 if (reg_rx_ops->reg_set_11d_offloaded) 108 reg_rx_ops->reg_set_11d_offloaded( 109 psoc, tgt_if_regulatory_is_11d_offloaded(psoc)); 110 111 return QDF_STATUS_SUCCESS; 112 } 113 114 /** 115 * tgt_reg_chan_list_update_handler() - Channel list update handler 116 * @handle: scn handle 117 * @event_buf: pointer to event buffer 118 * @len: buffer length 119 * 120 * Return: 0 on success 121 */ 122 static int tgt_reg_chan_list_update_handler(ol_scn_t handle, uint8_t *event_buf, 123 uint32_t len) 124 { 125 struct wlan_objmgr_psoc *psoc; 126 struct wlan_lmac_if_reg_rx_ops *reg_rx_ops; 127 struct cur_regulatory_info *reg_info; 128 QDF_STATUS status; 129 struct wmi_unified *wmi_handle; 130 int ret_val = 0; 131 132 TARGET_IF_ENTER(); 133 134 psoc = target_if_get_psoc_from_scn_hdl(handle); 135 if (!psoc) { 136 target_if_err("psoc ptr is NULL"); 137 return -EINVAL; 138 } 139 140 reg_rx_ops = target_if_regulatory_get_rx_ops(psoc); 141 if (!reg_rx_ops->master_list_handler) { 142 target_if_err("master_list_handler is NULL"); 143 return -EINVAL; 144 } 145 146 wmi_handle = get_wmi_unified_hdl_from_psoc(psoc); 147 if (!wmi_handle) { 148 target_if_err("invalid wmi handle"); 149 return -EINVAL; 150 } 151 152 reg_info = qdf_mem_malloc(sizeof(*reg_info)); 153 if (!reg_info) 154 return -ENOMEM; 155 156 if (wmi_extract_reg_chan_list_update_event(wmi_handle, 157 event_buf, reg_info, len) 158 != QDF_STATUS_SUCCESS) { 159 target_if_err("Extraction of channel list event failed"); 160 ret_val = -EFAULT; 161 goto clean; 162 } 163 164 if (reg_info->phy_id >= PSOC_MAX_PHY_REG_CAP) { 165 target_if_err_rl("phy_id %d is out of bounds", 166 reg_info->phy_id); 167 ret_val = -EFAULT; 168 goto clean; 169 } 170 171 reg_info->psoc = psoc; 172 173 status = reg_rx_ops->master_list_handler(reg_info); 174 if (status != QDF_STATUS_SUCCESS) { 175 target_if_err("Failed to process master channel list handler"); 176 ret_val = -EFAULT; 177 } 178 179 clean: 180 qdf_mem_free(reg_info->reg_rules_2g_ptr); 181 qdf_mem_free(reg_info->reg_rules_5g_ptr); 182 qdf_mem_free(reg_info); 183 184 target_if_debug("processed reg channel list ret_val %d", ret_val); 185 186 return ret_val; 187 } 188 189 /** 190 * tgt_if_regulatory_register_master_list_handler() - Register master channel 191 * list 192 * @psoc: Pointer to psoc 193 * @arg: Pointer to argument list 194 * 195 * Return: QDF_STATUS 196 */ 197 static QDF_STATUS tgt_if_regulatory_register_master_list_handler( 198 struct wlan_objmgr_psoc *psoc, void *arg) 199 { 200 wmi_unified_t wmi_handle = get_wmi_unified_hdl_from_psoc(psoc); 201 202 if (!wmi_handle) 203 return QDF_STATUS_E_FAILURE; 204 205 return wmi_unified_register_event_handler( 206 wmi_handle, wmi_reg_chan_list_cc_event_id, 207 tgt_reg_chan_list_update_handler, WMI_RX_UMAC_CTX); 208 } 209 210 /** 211 * tgt_if_regulatory_unregister_master_list_handler() - Unregister master 212 * channel list 213 * @psoc: Pointer to psoc 214 * @arg: Pointer to argument list 215 * 216 * Return: QDF_STATUS 217 */ 218 static QDF_STATUS tgt_if_regulatory_unregister_master_list_handler( 219 struct wlan_objmgr_psoc *psoc, void *arg) 220 { 221 wmi_unified_t wmi_handle = get_wmi_unified_hdl_from_psoc(psoc); 222 223 if (!wmi_handle) 224 return QDF_STATUS_E_FAILURE; 225 226 return wmi_unified_unregister_event_handler( 227 wmi_handle, wmi_reg_chan_list_cc_event_id); 228 } 229 230 /** 231 * tgt_if_regulatory_set_country_code() - Set country code 232 * @psoc: Pointer to psoc 233 * @arg: Pointer to argument list 234 * 235 * Return: QDF_STATUS 236 */ 237 static QDF_STATUS tgt_if_regulatory_set_country_code( 238 struct wlan_objmgr_psoc *psoc, void *arg) 239 { 240 wmi_unified_t wmi_handle = get_wmi_unified_hdl_from_psoc(psoc); 241 242 if (!wmi_handle) 243 return QDF_STATUS_E_FAILURE; 244 245 return wmi_unified_set_country_cmd_send(wmi_handle, arg); 246 } 247 248 /** 249 * tgt_if_regulatory_set_user_country_code() - Set user country code 250 * @psoc: Pointer to psoc 251 * @pdev_id: Pdev id 252 * @rd: Pointer to regdomain structure 253 * 254 * Return: QDF_STATUS 255 */ 256 static QDF_STATUS tgt_if_regulatory_set_user_country_code( 257 struct wlan_objmgr_psoc *psoc, uint8_t pdev_id, struct cc_regdmn_s *rd) 258 { 259 wmi_unified_t wmi_handle = get_wmi_unified_hdl_from_psoc(psoc); 260 261 if (!wmi_handle) 262 return QDF_STATUS_E_FAILURE; 263 264 if (wmi_unified_set_user_country_code_cmd_send( 265 wmi_handle, pdev_id, rd) != QDF_STATUS_SUCCESS 266 ) { 267 target_if_err("Set user country code failed"); 268 return QDF_STATUS_E_FAILURE; 269 } 270 271 return QDF_STATUS_SUCCESS; 272 } 273 274 QDF_STATUS tgt_if_regulatory_modify_freq_range(struct wlan_objmgr_psoc *psoc) 275 { 276 struct wlan_psoc_host_hal_reg_capabilities_ext *reg_cap; 277 278 reg_cap = ucfg_reg_get_hal_reg_cap(psoc); 279 if (!reg_cap) { 280 target_if_err("reg cap is NULL"); 281 return QDF_STATUS_E_FAILURE; 282 } 283 284 if (!(reg_cap->wireless_modes & WMI_HOST_REGDMN_MODE_11A)) { 285 reg_cap->low_5ghz_chan = 0; 286 reg_cap->high_5ghz_chan = 0; 287 } 288 289 if (!(reg_cap->wireless_modes & 290 (WMI_HOST_REGDMN_MODE_11B | WMI_HOST_REGDMN_MODE_PUREG))) { 291 reg_cap->low_2ghz_chan = 0; 292 reg_cap->high_2ghz_chan = 0; 293 } 294 295 target_if_debug("phy_id = %d - low_2ghz_chan = %d high_2ghz_chan = %d low_5ghz_chan = %d high_5ghz_chan = %d", 296 reg_cap->phy_id, 297 reg_cap->low_2ghz_chan, 298 reg_cap->high_2ghz_chan, 299 reg_cap->low_5ghz_chan, 300 reg_cap->high_5ghz_chan); 301 302 return QDF_STATUS_SUCCESS; 303 } 304 305 QDF_STATUS target_if_register_regulatory_tx_ops( 306 struct wlan_lmac_if_tx_ops *tx_ops) 307 { 308 struct wlan_lmac_if_reg_tx_ops *reg_ops = &tx_ops->reg_ops; 309 310 reg_ops->register_master_handler = 311 tgt_if_regulatory_register_master_list_handler; 312 313 reg_ops->unregister_master_handler = 314 tgt_if_regulatory_unregister_master_list_handler; 315 316 reg_ops->set_country_code = tgt_if_regulatory_set_country_code; 317 318 reg_ops->fill_umac_legacy_chanlist = NULL; 319 320 reg_ops->set_country_failed = NULL; 321 322 reg_ops->register_11d_new_cc_handler = 323 tgt_if_regulatory_register_11d_new_cc_handler; 324 325 reg_ops->unregister_11d_new_cc_handler = 326 tgt_if_regulatory_unregister_11d_new_cc_handler; 327 328 reg_ops->start_11d_scan = tgt_if_regulatory_start_11d_scan; 329 330 reg_ops->stop_11d_scan = tgt_if_regulatory_stop_11d_scan; 331 332 reg_ops->is_there_serv_ready_extn = 333 tgt_if_regulatory_is_there_serv_ready_extn; 334 335 reg_ops->set_user_country_code = 336 tgt_if_regulatory_set_user_country_code; 337 338 reg_ops->register_ch_avoid_event_handler = 339 tgt_if_regulatory_register_ch_avoid_event_handler; 340 341 reg_ops->unregister_ch_avoid_event_handler = 342 tgt_if_regulatory_unregister_ch_avoid_event_handler; 343 344 return QDF_STATUS_SUCCESS; 345 } 346