1 /* 2 * Copyright (c) 2016-2021 The Linux Foundation. All rights reserved. 3 * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved. 4 * 5 * 6 * Permission to use, copy, modify, and/or distribute this software for 7 * any purpose with or without fee is hereby granted, provided that the 8 * above copyright notice and this permission notice appear in all 9 * copies. 10 * 11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL 12 * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED 13 * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE 14 * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL 15 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR 16 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER 17 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 18 * PERFORMANCE OF THIS SOFTWARE. 19 */ 20 21 /** 22 * DOC: These APIs are used by DFS core functions to call mlme functions. 23 */ 24 25 #ifndef _WLAN_DFS_MLME_API_H_ 26 #define _WLAN_DFS_MLME_API_H_ 27 28 #include "wlan_dfs_ucfg_api.h" 29 30 extern struct dfs_to_mlme global_dfs_to_mlme; 31 32 /** 33 * dfs_mlme_start_rcsa() - Send RCSA to RootAP. 34 * @pdev: Pointer to DFS pdev object. 35 * @wait_for_csa: Wait for CSA from RootAP. 36 */ 37 #if defined(QCA_DFS_RCSA_SUPPORT) 38 void dfs_mlme_start_rcsa(struct wlan_objmgr_pdev *pdev, 39 bool *wait_for_csa); 40 #endif 41 42 /** 43 * dfs_mlme_mark_dfs() - Mark the channel in the channel list. 44 * @pdev: Pointer to DFS pdev object. 45 * @ieee: Channel number. 46 * @freq: Channel frequency. 47 * @vhtop_ch_freq_seg2: VHT80 Cfreq2. 48 * @flags: channel flags. 49 * @dfs_radar_bitmap: Radar bitmap. 50 */ 51 void dfs_mlme_mark_dfs(struct wlan_objmgr_pdev *pdev, 52 uint8_t ieee, 53 uint16_t freq, 54 uint16_t vhtop_ch_freq_seg2, 55 uint64_t flags, 56 uint16_t dfs_radar_bitmap); 57 58 #if defined(WLAN_DFS_PARTIAL_OFFLOAD) && defined(HOST_DFS_SPOOF_TEST) 59 /** 60 * dfs_mlme_proc_spoof_success() - Process Spoof Completion status 61 * @pdev: Pointer to DFS pdev object. 62 */ 63 void dfs_mlme_proc_spoof_success(struct wlan_objmgr_pdev *pdev); 64 #else 65 static inline void 66 dfs_mlme_proc_spoof_success(struct wlan_objmgr_pdev *pdev) 67 { 68 } 69 #endif 70 71 /** 72 * dfs_mlme_start_csa_for_freq() - Sends CSA in ieeeChan 73 * @pdev: Pointer to DFS pdev object. 74 * @ieee_chan: Channel number. 75 * @freq: Channel frequency. 76 * @cfreq2: HT80 cfreq2 in Mhz. 77 * @flags: channel flags. 78 */ 79 #ifdef CONFIG_CHAN_FREQ_API 80 void dfs_mlme_start_csa_for_freq(struct wlan_objmgr_pdev *pdev, 81 uint8_t ieee_chan, 82 uint16_t freq, 83 uint16_t cfreq2_mhz, 84 uint64_t flags); 85 #endif 86 /** 87 * dfs_mlme_proc_cac() - Process the CAC completion event. 88 * @pdev: Pointer to DFS pdev object. 89 * @vdev_id: vdev id. 90 */ 91 void dfs_mlme_proc_cac(struct wlan_objmgr_pdev *pdev, uint32_t vdev_id); 92 93 /** 94 * dfs_mlme_deliver_event_up_after_cac() - Send a CAC timeout, VAP up event to 95 * userspace. 96 * @pdev: Pointer to DFS pdev object. 97 */ 98 void dfs_mlme_deliver_event_up_after_cac(struct wlan_objmgr_pdev *pdev); 99 100 /** 101 * dfs_mlme_get_extchan() - Get extension channel. 102 * @pdev: Pointer to DFS pdev object. 103 * @dfs_chan_freq: Frequency in Mhz. 104 * @dfs_chan_flags: Channel flags. 105 * @dfs_chan_flagext: Extended channel flags. 106 * @dfs_chan_ieee: IEEE channel number. 107 * @dfs_chan_vhtop_ch_freq_seg1: Channel Center IEEE. 108 * @dfs_chan_vhtop_ch_freq_seg2: Channel Center IEEE applicable for 80+80MHz 109 * mode of operation. 110 * @dfs_chan_mhz_freq_seg1: Primary channel center freq. 111 * @dfs_chan_mhz_freq_seg2: Secondary channel center freq applicable for 112 * 80+80 MHZ. 113 */ 114 115 #ifdef CONFIG_CHAN_FREQ_API 116 QDF_STATUS dfs_mlme_get_extchan_for_freq(struct wlan_objmgr_pdev *pdev, 117 uint16_t *dfs_chan_freq, 118 uint64_t *dfs_chan_flags, 119 uint16_t *dfs_chan_flagext, 120 uint8_t *dfs_chan_ieee, 121 uint8_t *dfs_chan_vhtop_ch_freq_seg1, 122 uint8_t *dfs_chan_vhtop_ch_freq_seg2, 123 uint16_t *dfs_chan_mhz_freq_seg1, 124 uint16_t *dfs_chan_mhz_freq_seg2); 125 #endif 126 127 /** 128 * dfs_mlme_set_no_chans_available() - Set no_chans_available flag. 129 * @pdev: Pointer to DFS pdev object. 130 * @val: Set this value to no_chans_available flag. 131 */ 132 void dfs_mlme_set_no_chans_available(struct wlan_objmgr_pdev *pdev, 133 int val); 134 135 /** 136 * dfs_mlme_ieee2mhz() - Get the frequency from channel number. 137 * @pdev: Pointer to DFS pdev object. 138 * @ieee: Channel number. 139 * @flag: Channel flag. 140 */ 141 int dfs_mlme_ieee2mhz(struct wlan_objmgr_pdev *pdev, 142 int ieee, 143 uint64_t flag); 144 145 /** 146 * dfs_mlme_find_dot11_chan_for_freq() - Find a channel pointer given the mode, 147 * frequency and channel flags. 148 * @pdev: Pointer to DFS pdev object. 149 * @ch_freq: Channel frequency. 150 * @des_cfreq2_mhz: cfreq2 in MHZ. 151 * @mode: Phymode 152 * @dfs_chan_freq: Frequency in Mhz. 153 * @dfs_chan_flags: Channel flags. 154 * @dfs_chan_flagext: Extended channel flags. 155 * @dfs_chan_ieee: IEEE channel number. 156 * @dfs_chan_vhtop_ch_freq_seg1: Channel Center IEEE for primary 80 segment. 157 * @dfs_chan_vhtop_ch_freq_seg2: Channel Center frequency applicable for 158 * 80+80MHz mode of operation. 159 * @dfs_chan_mhz_freq_seg1: Channel center frequency of primary 80 segment. 160 * @dfs_chan_mhz_freq_seg2: Channel center frequency for secondary 80 161 * segment applicable only for 80+80MHZ mode of 162 * operation. 163 * 164 * Return: 165 * * QDF_STATUS_SUCCESS : Channel found. 166 * * QDF_STATUS_E_FAILURE: Channel not found. 167 */ 168 #ifdef CONFIG_CHAN_FREQ_API 169 QDF_STATUS 170 dfs_mlme_find_dot11_chan_for_freq(struct wlan_objmgr_pdev *pdev, 171 uint16_t chan_freq, 172 uint16_t des_cfreq2_mhz, 173 int mode, 174 uint16_t *dfs_chan_freq, 175 uint64_t *dfs_chan_flags, 176 uint16_t *dfs_chan_flagext, 177 uint8_t *dfs_chan_ieee, 178 uint8_t *dfs_chan_vhtop_ch_freq_seg1, 179 uint8_t *dfs_chan_vhtop_ch_freq_seg2, 180 uint16_t *dfs_chan_mhz_freq_seg1, 181 uint16_t *dfs_chan_mhz_freq_seg2); 182 #endif 183 184 /** 185 * dfs_mlme_get_dfs_channels_for_freq() - Get DFS channel from channel list. 186 * @pdev: Pointer to DFS pdev object. 187 * @dfs_chan_freq: Frequency in Mhz. 188 * @dfs_chan_flags: Channel flags. 189 * @dfs_chan_flagext: Extended channel flags. 190 * @dfs_chan_ieee: IEEE channel number. 191 * @dfs_chan_vhtop_ch_freq_seg1: Channel Center IEEE number. 192 * @dfs_chan_vhtop_ch_freq_seg2: Channel Center IEEE applicable for 80+80MHz 193 * mode of operation. 194 * @dfs_chan_mhz_freq_seg1 : Primary 80 Channel Center frequency. 195 * @dfs_chan_mhz_freq_seg2 : Channel center frequency applicable only for 196 * 80+80 mode of operation. 197 * @index: Index into channel list. 198 */ 199 #ifdef CONFIG_CHAN_FREQ_API 200 void 201 dfs_mlme_get_dfs_channels_for_freq(struct wlan_objmgr_pdev *pdev, 202 uint16_t *dfs_chan_freq, 203 uint64_t *dfs_chan_flags, 204 uint16_t *dfs_chan_flagext, 205 uint8_t *dfs_chan_ieee, 206 uint8_t *dfs_chan_vhtop_ch_freq_seg1, 207 uint8_t *dfs_chan_vhtop_ch_freq_seg2, 208 uint16_t *dfs_chan_mhz_freq_seg1, 209 uint16_t *dfs_chan_mhz_freq_seg2, 210 int index); 211 #endif 212 213 /** 214 * dfs_mlme_dfs_ch_flags_ext() - Get extension channel flags. 215 * @pdev: Pointer to DFS pdev object. 216 */ 217 uint32_t dfs_mlme_dfs_ch_flags_ext(struct wlan_objmgr_pdev *pdev); 218 219 /** 220 * dfs_mlme_channel_change_by_precac() - Channel change by PreCAC. 221 * @pdev: Pointer to DFS pdev object. 222 */ 223 void dfs_mlme_channel_change_by_precac(struct wlan_objmgr_pdev *pdev); 224 225 /** 226 * dfs_mlme_nol_timeout_notification() - NOL timeout notification to userspace. 227 * @pdev: Pointer to DFS pdev object. 228 */ 229 void dfs_mlme_nol_timeout_notification(struct wlan_objmgr_pdev *pdev); 230 231 /** 232 * dfs_mlme_clist_update() - Mark the channel as RADAR. 233 * @pdev: Pointer to DFS pdev object. 234 * @nollist: Pointer to NOL list. 235 * @nentries: Number of channels in the NOL list. 236 */ 237 void dfs_mlme_clist_update(struct wlan_objmgr_pdev *pdev, 238 void *nollist, 239 int nentries); 240 241 /** 242 * dfs_mlme_get_cac_timeout_for_freq() - Get cac_timeout. 243 * @pdev: Pointer to DFS pdev object. 244 * @dfs_chan_freq: Frequency in Mhz. 245 * @dfs_chan_vhtop_freq_seg2: Channel Center frequency applicable for 80+80MHz 246 * mode of operation. 247 * @dfs_chan_flags: Channel flags. 248 */ 249 #ifdef CONFIG_CHAN_FREQ_API 250 int dfs_mlme_get_cac_timeout_for_freq(struct wlan_objmgr_pdev *pdev, 251 uint16_t dfs_chan_freq, 252 uint16_t dfs_chan_vhtop_freq_seg2_mhz, 253 uint64_t dfs_chan_flags); 254 #endif 255 /** 256 * dfs_mlme_rebuild_chan_list_with_non_dfs_channels() - Rebuild the channel list 257 * with only non DFS channels. 258 * @pdev: Pointer to DFS pdev object. 259 * 260 * return: On success return 1 or 0, else failure. 261 */ 262 #if defined(WLAN_DFS_PARTIAL_OFFLOAD) && defined(HOST_DFS_SPOOF_TEST) 263 int dfs_mlme_rebuild_chan_list_with_non_dfs_channels( 264 struct wlan_objmgr_pdev *pdev); 265 #else 266 static inline int dfs_mlme_rebuild_chan_list_with_non_dfs_channels( 267 struct wlan_objmgr_pdev *pdev) 268 { 269 return 0; 270 } 271 #endif 272 273 /** 274 * dfs_mlme_restart_vaps_with_non_dfs_chan() - Restart vaps with non DFS 275 * channels 276 * @pdev: Pointer to DFS pdev object. 277 * @no_chans_avail: Indicates if no channel is available. 278 */ 279 #if defined(WLAN_DFS_PARTIAL_OFFLOAD) && defined(HOST_DFS_SPOOF_TEST) 280 void dfs_mlme_restart_vaps_with_non_dfs_chan(struct wlan_objmgr_pdev *pdev, 281 int no_chans_avail); 282 #else 283 static inline 284 void dfs_mlme_restart_vaps_with_non_dfs_chan(struct wlan_objmgr_pdev *pdev, 285 int no_chans_avail) 286 { 287 } 288 #endif 289 290 /** 291 * dfs_mlme_check_allowed_prim_chanlist() - Check whether the given channel is 292 * present in the primary allowed channel list or not 293 * @pdev: Pointer to DFS pdev object. 294 * @chan_num: Channel number 295 */ 296 #if defined(WLAN_SUPPORT_PRIMARY_ALLOWED_CHAN) 297 bool dfs_mlme_check_allowed_prim_chanlist(struct wlan_objmgr_pdev *pdev, 298 uint32_t chan_freq); 299 300 #else 301 static inline 302 bool dfs_mlme_check_allowed_prim_chanlist(struct wlan_objmgr_pdev *pdev, 303 uint32_t chan_freq) 304 { 305 return true; 306 } 307 #endif 308 309 /** 310 * dfs_mlme_handle_dfs_scan_violation() - Handle scan start failure 311 * due to DFS violation (presence of NOL channel in scan channel list). 312 * @pdev: Pointer to pdev object. 313 */ 314 #if defined(WLAN_DFS_FULL_OFFLOAD) && defined(QCA_DFS_NOL_OFFLOAD) 315 void dfs_mlme_handle_dfs_scan_violation(struct wlan_objmgr_pdev *pdev); 316 #else 317 static inline 318 void dfs_mlme_handle_dfs_scan_violation(struct wlan_objmgr_pdev *pdev) 319 { 320 } 321 #endif 322 323 /** 324 * dfs_mlme_is_opmode_sta() - Check if pdev opmode is STA. 325 * @pdev: Pointer to DFS pdev object. 326 * 327 * Return: true if pdev opmode is STA, else false. 328 */ 329 bool dfs_mlme_is_opmode_sta(struct wlan_objmgr_pdev *pdev); 330 331 /** 332 * dfs_mlme_is_inter_band_chan_switch_allowed() - Check if inter-band channel 333 * switch is allowed. 334 * @pdev: Pointer to DFS pdev object. 335 * 336 * Return: true if inter-band channel switch is allowed. 337 */ 338 bool dfs_mlme_is_inter_band_chan_switch_allowed(struct wlan_objmgr_pdev *pdev); 339 340 /** 341 * dfs_mlme_acquire_radar_mode_switch_lock() - Acquire lock for radar processing 342 * over mode switch handling. 343 * @pdev: Pointer to DFS pdev object. 344 * 345 * Return: void. 346 */ 347 #ifdef QCA_HW_MODE_SWITCH 348 void dfs_mlme_acquire_radar_mode_switch_lock(struct wlan_objmgr_pdev *pdev); 349 #else 350 static inline 351 void dfs_mlme_acquire_radar_mode_switch_lock(struct wlan_objmgr_pdev *pdev) 352 { 353 } 354 #endif 355 356 /** 357 * dfs_mlme_release_radar_mode_switch_lock() - Release lock taken for radar 358 * processing over mode switch handling. 359 * @pdev: Pointer to DFS pdev object. 360 * 361 * Return: void. 362 */ 363 #ifdef QCA_HW_MODE_SWITCH 364 void dfs_mlme_release_radar_mode_switch_lock(struct wlan_objmgr_pdev *pdev); 365 #else 366 static inline 367 void dfs_mlme_release_radar_mode_switch_lock(struct wlan_objmgr_pdev *pdev) 368 { 369 } 370 #endif 371 #endif /* _WLAN_DFS_MLME_API_H_ */ 372