1 /* 2 * Copyright (c) 2011,2017-2019 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 #include <qdf_types.h> 21 #include "wlan_dfs_ioctl.h" 22 #include <spectral_ioctl.h> 23 24 #ifndef __KERNEL__ 25 #include <math.h> 26 #endif /* __KERNEL__ */ 27 28 #ifndef _WLAN_SPECTRAL_PUBLIC_STRUCTS_H_ 29 #define _WLAN_SPECTRAL_PUBLIC_STRUCTS_H_ 30 31 #ifndef AH_MAX_CHAINS 32 #define AH_MAX_CHAINS 3 33 #endif 34 35 #define MAX_NUM_CHANNELS 255 36 #define SPECTRAL_PHYERR_PARAM_NOVAL 65535 37 38 #ifdef SPECTRAL_USE_EMU_DEFAULTS 39 /* Use defaults from emulation */ 40 #define SPECTRAL_SCAN_ACTIVE_DEFAULT (0x0) 41 #define SPECTRAL_SCAN_ENABLE_DEFAULT (0x0) 42 #define SPECTRAL_SCAN_COUNT_DEFAULT (0x0) 43 #define SPECTRAL_SCAN_PERIOD_DEFAULT (250) 44 #define SPECTRAL_SCAN_PRIORITY_DEFAULT (0x1) 45 #define SPECTRAL_SCAN_FFT_SIZE_DEFAULT (0x7) 46 #define SPECTRAL_SCAN_GC_ENA_DEFAULT (0x1) 47 #define SPECTRAL_SCAN_RESTART_ENA_DEFAULT (0x0) 48 #define SPECTRAL_SCAN_NOISE_FLOOR_REF_DEFAULT (0xa0) 49 #define SPECTRAL_SCAN_INIT_DELAY_DEFAULT (0x50) 50 #define SPECTRAL_SCAN_NB_TONE_THR_DEFAULT (0xc) 51 #define SPECTRAL_SCAN_STR_BIN_THR_DEFAULT (0x7) 52 #define SPECTRAL_SCAN_WB_RPT_MODE_DEFAULT (0x0) 53 #define SPECTRAL_SCAN_RSSI_RPT_MODE_DEFAULT (0x1) 54 #define SPECTRAL_SCAN_RSSI_THR_DEFAULT (0xf) 55 #define SPECTRAL_SCAN_PWR_FORMAT_DEFAULT (0x1) 56 #define SPECTRAL_SCAN_RPT_MODE_DEFAULT (0x2) 57 #define SPECTRAL_SCAN_BIN_SCALE_DEFAULT (0x1) 58 #define SPECTRAL_SCAN_DBM_ADJ_DEFAULT (0x0) 59 #define SPECTRAL_SCAN_CHN_MASK_DEFAULT (0x1) 60 #else 61 /* 62 * Static default values for spectral state and configuration. 63 * These definitions should be treated as temporary. Ideally, 64 * we should get the defaults from firmware - this will be discussed. 65 * 66 * Use defaults from Spectral Hardware Micro-Architecture 67 * document (v1.0) 68 */ 69 #define SPECTRAL_SCAN_ACTIVE_DEFAULT (0) 70 #define SPECTRAL_SCAN_ENABLE_DEFAULT (0) 71 #define SPECTRAL_SCAN_COUNT_DEFAULT (0) 72 #define SPECTRAL_SCAN_PERIOD_GEN_I_DEFAULT (35) 73 #define SPECTRAL_SCAN_PERIOD_GEN_II_DEFAULT (35) 74 #define SPECTRAL_SCAN_PERIOD_GEN_III_DEFAULT (224) 75 #define SPECTRAL_SCAN_PRIORITY_DEFAULT (1) 76 #define SPECTRAL_SCAN_FFT_SIZE_DEFAULT (7) 77 #define SPECTRAL_SCAN_GC_ENA_DEFAULT (1) 78 #define SPECTRAL_SCAN_RESTART_ENA_DEFAULT (0) 79 #define SPECTRAL_SCAN_NOISE_FLOOR_REF_DEFAULT (-96) 80 #define SPECTRAL_SCAN_INIT_DELAY_DEFAULT (80) 81 #define SPECTRAL_SCAN_NB_TONE_THR_DEFAULT (12) 82 #define SPECTRAL_SCAN_STR_BIN_THR_DEFAULT (8) 83 #define SPECTRAL_SCAN_WB_RPT_MODE_DEFAULT (0) 84 #define SPECTRAL_SCAN_RSSI_RPT_MODE_DEFAULT (0) 85 #define SPECTRAL_SCAN_RSSI_THR_DEFAULT (0xf0) 86 #define SPECTRAL_SCAN_PWR_FORMAT_DEFAULT (0) 87 #define SPECTRAL_SCAN_RPT_MODE_DEFAULT (2) 88 #define SPECTRAL_SCAN_BIN_SCALE_DEFAULT (1) 89 #define SPECTRAL_SCAN_DBM_ADJ_DEFAULT (1) 90 #define SPECTRAL_SCAN_CHN_MASK_DEFAULT (1) 91 #define SPECTRAL_SCAN_FREQUENCY_DEFAULT (0) 92 #endif /* SPECTRAL_USE_EMU_DEFAULTS */ 93 94 /* The below two definitions apply only to pre-11ac chipsets */ 95 #define SPECTRAL_SCAN_SHORT_REPORT_DEFAULT (1) 96 #define SPECTRAL_SCAN_FFT_PERIOD_DEFAULT (1) 97 98 /* 99 * Definitions to help in scaling of gen3 linear format Spectral bins to values 100 * similar to those from gen2 chipsets. 101 */ 102 103 /* 104 * Max gain for QCA9984. Since this chipset is a prime representative of gen2 105 * chipsets, it is chosen for this value. 106 */ 107 #define SPECTRAL_QCA9984_MAX_GAIN (78) 108 109 /* Temporary section for hard-coded values. These need to come from FW. */ 110 111 /* Max gain for IPQ8074 */ 112 #define SPECTRAL_IPQ8074_DEFAULT_MAX_GAIN_HARDCODE (62) 113 114 /* 115 * Section for values needing tuning per customer platform. These too may need 116 * to come from FW. To be considered as hard-coded for now. 117 */ 118 119 /* 120 * If customers have a different gain line up than QCA reference designs for 121 * IPQ8074 and/or QCA9984, they may have to tune the low level threshold and 122 * the RSSI threshold. 123 */ 124 #define SPECTRAL_SCALING_LOW_LEVEL_OFFSET (7) 125 #define SPECTRAL_SCALING_RSSI_THRESH (5) 126 127 /* 128 * If customers set the AGC backoff differently, they may have to tune the high 129 * level threshold. 130 */ 131 #define SPECTRAL_SCALING_HIGH_LEVEL_OFFSET (5) 132 133 /* End of section for values needing fine tuning. */ 134 /* End of temporary section for hard-coded values */ 135 136 /** 137 * enum spectral_msg_buf_type - Spectral message buffer type 138 * @SPECTRAL_MSG_BUF_NEW: Allocate new buffer 139 * @SPECTRAL_MSG_BUF_SAVED: Reuse last buffer, used for secondary segment report 140 * in case of 160 MHz. 141 */ 142 enum spectral_msg_buf_type { 143 SPECTRAL_MSG_BUF_NEW, 144 SPECTRAL_MSG_BUF_SAVED, 145 SPECTRAL_MSG_BUF_TYPE_MAX, 146 }; 147 148 /** 149 * enum spectral_msg_type - Spectral SAMP message type 150 * @SPECTRAL_MSG_NORMAL_MODE: Normal mode Spectral SAMP message 151 * @SPECTRAL_MSG_AGILE_MODE: Agile mode Spectral SAMP message 152 * @SPECTRAL_MSG_INTERFERENCE_NOTIFICATION: Interference notification to 153 * external auto channel selection 154 * entity 155 * @SPECTRAL_MSG_TYPE_MAX: Spectral SAMP message type max 156 */ 157 enum spectral_msg_type { 158 SPECTRAL_MSG_NORMAL_MODE, 159 SPECTRAL_MSG_AGILE_MODE, 160 SPECTRAL_MSG_INTERFERENCE_NOTIFICATION, 161 SPECTRAL_MSG_TYPE_MAX, 162 }; 163 164 /** 165 * enum wlan_cfg80211_spectral_vendorcmd_handler_idx - Indices to cfg80211 166 * spectral vendor command handlers 167 * @SPECTRAL_SCAN_START_HANDLER_IDX: Index to SPECTRAL_SCAN_START handler 168 * @SPECTRAL_SCAN_STOP_HANDLER_IDX: Index to SPECTRAL_SCAN_STOP handler 169 * @SPECTRAL_SCAN_GET_CONFIG_HANDLER_IDX: Index to SPECTRAL_SCAN_GET_CONFIG 170 * handler 171 * @SPECTRAL_SCAN_GET_DIAG_STATS_HANDLER_IDX: Index to 172 * SPECTRAL_SCAN_GET_DIAG_STATS handler 173 * @SPECTRAL_SCAN_GET_CAP_HANDLER_IDX: Index to SPECTRAL_SCAN_GET_CAP handler 174 * @SPECTRAL_SCAN_GET_STATUS_HANDLER_IDX: Index to SPECTRAL_SCAN_GET_STATUS 175 * handler 176 * @SPECTRAL_SCAN_VENDOR_CMD_HANDLER_MAX: Number of cfg80211 spectral 177 * vendor command handlers supported 178 */ 179 enum wlan_cfg80211_spectral_vendorcmd_handler_idx { 180 SPECTRAL_SCAN_START_HANDLER_IDX, 181 SPECTRAL_SCAN_STOP_HANDLER_IDX, 182 SPECTRAL_SCAN_GET_CONFIG_HANDLER_IDX, 183 SPECTRAL_SCAN_GET_DIAG_STATS_HANDLER_IDX, 184 SPECTRAL_SCAN_GET_CAP_HANDLER_IDX, 185 SPECTRAL_SCAN_GET_STATUS_HANDLER_IDX, 186 SPECTRAL_SCAN_VENDOR_CMD_HANDLER_MAX, 187 }; 188 189 /** 190 * enum spectral_debug - Spectral debug level 191 * @DEBUG_SPECTRAL: Minimal SPECTRAL debug 192 * @DEBUG_SPECTRAL1: Normal SPECTRAL debug 193 * @DEBUG_SPECTRAL2: Maximal SPECTRAL debug 194 * @DEBUG_SPECTRAL3: Matched filterID display 195 * @DEBUG_SPECTRAL4: One time dump of FFT report 196 */ 197 enum spectral_debug { 198 DEBUG_SPECTRAL = 0x00000100, 199 DEBUG_SPECTRAL1 = 0x00000200, 200 DEBUG_SPECTRAL2 = 0x00000400, 201 DEBUG_SPECTRAL3 = 0x00000800, 202 DEBUG_SPECTRAL4 = 0x00001000, 203 }; 204 205 /** 206 * enum spectral_capability_type - Spectral capability type 207 * @SPECTRAL_CAP_PHYDIAG: Phydiag capability 208 * @SPECTRAL_CAP_RADAR: Radar detection capability 209 * @SPECTRAL_CAP_SPECTRAL_SCAN: Spectral capability 210 * @SPECTRAL_CAP_ADVNCD_SPECTRAL_SCAN: Advanced spectral capability 211 */ 212 enum spectral_capability_type { 213 SPECTRAL_CAP_PHYDIAG, 214 SPECTRAL_CAP_RADAR, 215 SPECTRAL_CAP_SPECTRAL_SCAN, 216 SPECTRAL_CAP_ADVNCD_SPECTRAL_SCAN, 217 }; 218 219 /** 220 * enum spectral_cp_error_code - Spectral control path response code 221 * @SPECTRAL_SCAN_RESP_ERR_INVALID: Invalid error identifier 222 * @SPECTRAL_SCAN_RESP_ERR_PARAM_UNSUPPORTED: parameter unsupported 223 * @SPECTRAL_SCAN_RESP_ERR_MODE_UNSUPPORTED: mode unsupported 224 * @SPECTRAL_SCAN_RESP_ERR_PARAM_INVALID_VALUE: invalid parameter value 225 * @SPECTRAL_SCAN_RESP_ERR_PARAM_NOT_INITIALIZED: parameter uninitialized 226 */ 227 enum spectral_cp_error_code { 228 SPECTRAL_SCAN_ERR_INVALID, 229 SPECTRAL_SCAN_ERR_PARAM_UNSUPPORTED, 230 SPECTRAL_SCAN_ERR_MODE_UNSUPPORTED, 231 SPECTRAL_SCAN_ERR_PARAM_INVALID_VALUE, 232 SPECTRAL_SCAN_ERR_PARAM_NOT_INITIALIZED, 233 }; 234 235 /** 236 * enum spectral_dma_debug - Spectral DMA debug 237 * @SPECTRAL_DMA_RING_DEBUG: Spectral DMA ring debug 238 * @SPECTRAL_DMA_BUFFER_DEBUG: Spectral DMA buffer debug 239 */ 240 enum spectral_dma_debug { 241 SPECTRAL_DMA_RING_DEBUG, 242 SPECTRAL_DMA_BUFFER_DEBUG, 243 }; 244 245 /** 246 * struct spectral_chan_stats - channel status info 247 * @cycle_count: Cycle count 248 * @channel_load: Channel load 249 * @per: Period 250 * @noisefloor: Noise floor 251 * @comp_usablity: Computed usability 252 * @maxregpower: Maximum allowed regulatory power 253 * @comp_usablity_sec80: Computed usability of secondary 80 Mhz 254 * @maxregpower_sec80: Max regulatory power of secondary 80 Mhz 255 */ 256 struct spectral_chan_stats { 257 int cycle_count; 258 int channel_load; 259 int per; 260 int noisefloor; 261 uint16_t comp_usablity; 262 int8_t maxregpower; 263 uint16_t comp_usablity_sec80; 264 int8_t maxregpower_sec80; 265 }; 266 267 /** 268 * struct spectral_diag_stats - spectral diag stats 269 * @spectral_mismatch: Spectral TLV signature mismatches 270 * @spectral_sec80_sfft_insufflen: Insufficient length when parsing for 271 * Secondary 80 Search FFT report 272 * @spectral_no_sec80_sfft: Secondary 80 Search FFT report 273 * TLV not found 274 * @spectral_vhtseg1id_mismatch: VHT Operation Segment 1 ID 275 * mismatches in Search FFT report 276 * @spectral_vhtseg2id_mismatch: VHT Operation Segment 2 ID 277 * mismatches in Search FFT report 278 * @spectral_invalid_detector_id: Invalid detector id 279 */ 280 struct spectral_diag_stats { 281 uint64_t spectral_mismatch; 282 uint64_t spectral_sec80_sfft_insufflen; 283 uint64_t spectral_no_sec80_sfft; 284 uint64_t spectral_vhtseg1id_mismatch; 285 uint64_t spectral_vhtseg2id_mismatch; 286 uint64_t spectral_invalid_detector_id; 287 }; 288 289 /** 290 * struct spectral_scan_state - State of spectral scan 291 * @is_active: Is spectral scan active 292 * @is_enabled: Is spectral scan enabled 293 */ 294 struct spectral_scan_state { 295 uint8_t is_active; 296 uint8_t is_enabled; 297 }; 298 299 /* Forward declarations */ 300 struct wlan_objmgr_pdev; 301 302 /** 303 * struct spectral_nl_cb - Spectral Netlink callbacks 304 * @get_sbuff: Get the socket buffer to send the data to the application 305 * @send_nl_bcast: Send data to the application using netlink broadcast 306 * @send_nl_unicast: Send data to the application using netlink unicast 307 * @free_sbuff: Free the socket buffer for a particular message type 308 */ 309 struct spectral_nl_cb { 310 void *(*get_sbuff)(struct wlan_objmgr_pdev *pdev, 311 enum spectral_msg_type smsg_type, 312 enum spectral_msg_buf_type buf_type); 313 int (*send_nl_bcast)(struct wlan_objmgr_pdev *pdev, 314 enum spectral_msg_type smsg_type); 315 int (*send_nl_unicast)(struct wlan_objmgr_pdev *pdev, 316 enum spectral_msg_type smsg_type); 317 void (*free_sbuff)(struct wlan_objmgr_pdev *pdev, 318 enum spectral_msg_type smsg_type); 319 }; 320 321 /** 322 * struct spectral_scan_config_request - Config request 323 * @sscan_config: Spectral parameters 324 * @sscan_err_code: Spectral scan error code 325 */ 326 struct spectral_scan_config_request { 327 struct spectral_config sscan_config; 328 enum spectral_cp_error_code sscan_err_code; 329 }; 330 331 /** 332 * struct spectral_scan_action_request - Action request 333 * @sscan_err_code: Spectral scan error code 334 */ 335 struct spectral_scan_action_request { 336 enum spectral_cp_error_code sscan_err_code; 337 }; 338 339 /** 340 * struct spectral_scan_get_caps_request - Get caps request 341 * @sscan_caps: Spectral capabilities 342 * @sscan_err_code: Spectral scan error code 343 */ 344 struct spectral_scan_get_caps_request { 345 struct spectral_caps sscan_caps; 346 enum spectral_cp_error_code sscan_err_code; 347 }; 348 349 /** 350 * struct spectral_scan_get_diag_request - Get diag request 351 * @sscan_diag: Spectral diag stats 352 * @sscan_err_code: Spectral scan error code 353 */ 354 struct spectral_scan_get_diag_request { 355 struct spectral_diag_stats sscan_diag; 356 enum spectral_cp_error_code sscan_err_code; 357 }; 358 359 /** 360 * struct spectral_scan_get_chan_width_request - Get channel width request 361 * @chan_width: Channel width 362 * @sscan_err_code: Spectral scan error code 363 */ 364 struct spectral_scan_get_chan_width_request { 365 uint32_t chan_width; 366 enum spectral_cp_error_code sscan_err_code; 367 }; 368 369 /** 370 * struct spectral_scan_get_status_request - Get status request 371 * @is_active: is Spectral scan active 372 * @is_enabled: is Spectral scan enabled 373 * @sscan_err_code: Spectral scan error code 374 */ 375 struct spectral_scan_get_status_request { 376 bool is_active; 377 bool is_enabled; 378 enum spectral_cp_error_code sscan_err_code; 379 }; 380 381 /** 382 * struct spectral_scan_debug_request - Get/set debug level request 383 * @spectral_dbg_level: Spectral debug level 384 * @sscan_err_code: Spectral scan error code 385 */ 386 struct spectral_scan_debug_request { 387 uint32_t spectral_dbg_level; 388 enum spectral_cp_error_code sscan_err_code; 389 }; 390 391 /** 392 * struct spectral_scan_dma_debug_request - DMA debug request 393 * @dma_debug_enable: Enable/disable @dma_debug_type 394 * @dma_debug_type: Type of Spectral DMA debug i.e., ring or buffer debug 395 * @sscan_err_code: Spectral scan error code 396 */ 397 struct spectral_scan_dma_debug_request { 398 bool dma_debug_enable; 399 enum spectral_dma_debug dma_debug_type; 400 enum spectral_cp_error_code sscan_err_code; 401 }; 402 403 /** 404 * struct spectral_cp_request - Spectral control path request 405 * Creating request and extracting response has to 406 * be atomic. 407 * @ss_mode: Spectral scan mode 408 * @req_id: Request identifier 409 * @dma_debug_req: Spectral DMA debug request 410 */ 411 struct spectral_cp_request { 412 enum spectral_scan_mode ss_mode; 413 uint8_t req_id; 414 union { 415 struct spectral_scan_config_request config_req; 416 struct spectral_scan_action_request action_req; 417 struct spectral_scan_get_caps_request caps_req; 418 struct spectral_scan_get_diag_request diag_req; 419 struct spectral_scan_get_chan_width_request chan_width_req; 420 struct spectral_scan_get_status_request status_req; 421 struct spectral_scan_debug_request debug_req; 422 struct spectral_scan_dma_debug_request dma_debug_req; 423 }; 424 }; 425 426 #ifndef __KERNEL__ 427 428 static inline int16_t 429 spectral_pwfactor_max(int16_t pwfactor1, 430 int16_t pwfactor2) 431 { 432 return ((pwfactor1 > pwfactor2) ? pwfactor1 : pwfactor2); 433 } 434 435 /** 436 * get_spectral_scale_rssi_corr() - Compute RSSI correction factor for scaling 437 * @agc_total_gain_db: AGC total gain in dB steps 438 * @gen3_defmaxgain: Default max gain value of the gen III chipset 439 * @gen2_maxgain: Max gain value used by the reference gen II chipset 440 * @lowlevel_offset: Low level offset for scaling 441 * @inband_pwr: In band power in dB steps 442 * @rssi_thr: RSSI threshold for scaling 443 * 444 * Helper function to compute RSSI correction factor for Gen III linear format 445 * Spectral scaling. It is the responsibility of the caller to ensure that 446 * correct values are passed. 447 * 448 * Return: RSSI correction factor 449 */ 450 static inline int16_t 451 get_spectral_scale_rssi_corr(u_int8_t agc_total_gain_db, 452 u_int8_t gen3_defmaxgain, u_int8_t gen2_maxgain, 453 int16_t lowlevel_offset, int16_t inband_pwr, 454 int16_t rssi_thr) 455 { 456 return ((agc_total_gain_db < gen3_defmaxgain) ? 457 (gen2_maxgain - gen3_defmaxgain + lowlevel_offset) : 458 spectral_pwfactor_max((inband_pwr - rssi_thr), 0)); 459 } 460 461 /** 462 * spectral_scale_linear_to_gen2() - Scale linear bin value to gen II equivalent 463 * @gen3_binmag: Captured FFT bin value from the Spectral Search FFT report 464 * generated by the Gen III chipset 465 * @gen2_maxgain: Max gain value used by the reference gen II chipset 466 * @gen3_defmaxgain: Default max gain value of the gen III chipset 467 * @lowlevel_offset: Low level offset for scaling 468 * @inband_pwr: In band power in dB steps 469 * @rssi_thr: RSSI threshold for scaling 470 * @agc_total_gain_db: AGC total gain in dB steps 471 * @highlevel_offset: High level offset for scaling 472 * @gen2_bin_scale: Bin scale value used on reference gen II chipset 473 * @gen3_bin_scale: Bin scale value used on gen III chipset 474 * 475 * Helper function to scale a given gen III linear format bin value into an 476 * approximately equivalent gen II value. The scaled value can possibly be 477 * higher than 8 bits. If the caller is incapable of handling values larger 478 * than 8 bits, the caller can saturate the value at 255. This function does not 479 * carry out this saturation for the sake of flexibility so that callers 480 * interested in the larger values can avail of this. Also note it is the 481 * responsibility of the caller to ensure that correct values are passed. 482 * 483 * Return: Scaled bin value 484 */ 485 static inline u_int32_t 486 spectral_scale_linear_to_gen2(u_int8_t gen3_binmag, 487 u_int8_t gen2_maxgain, u_int8_t gen3_defmaxgain, 488 int16_t lowlevel_offset, int16_t inband_pwr, 489 int16_t rssi_thr, u_int8_t agc_total_gain_db, 490 int16_t highlevel_offset, u_int8_t gen2_bin_scale, 491 u_int8_t gen3_bin_scale) 492 { 493 return (gen3_binmag * 494 sqrt(pow(10, (((double)spectral_pwfactor_max(gen2_maxgain - 495 gen3_defmaxgain + lowlevel_offset - 496 get_spectral_scale_rssi_corr(agc_total_gain_db, 497 gen3_defmaxgain, 498 gen2_maxgain, 499 lowlevel_offset, 500 inband_pwr, 501 rssi_thr), 502 (agc_total_gain_db < gen3_defmaxgain) * 503 highlevel_offset)) / 10))) * 504 pow(2, (gen3_bin_scale - gen2_bin_scale))); 505 } 506 507 #endif /* __KERNEL__ */ 508 509 #endif /* _WLAN_SPECTRAL_PUBLIC_STRUCTS_H_ */ 510