1 /* 2 * Copyright (c) 2016-2018 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 #include "qdf_mem.h" 21 #include <qdf_module.h> 22 #include "wlan_lmac_if_def.h" 23 #include "wlan_lmac_if_api.h" 24 #include "wlan_mgmt_txrx_tgt_api.h" 25 #include "wlan_scan_tgt_api.h" 26 #include <wlan_reg_services_api.h> 27 #include <wlan_reg_ucfg_api.h> 28 #ifdef WLAN_ATF_ENABLE 29 #include "wlan_atf_tgt_api.h" 30 #endif 31 #ifdef WLAN_SA_API_ENABLE 32 #include "wlan_sa_api_tgt_api.h" 33 #endif 34 #ifdef WIFI_POS_CONVERGED 35 #include "target_if_wifi_pos.h" 36 #endif /* WIFI_POS_CONVERGED */ 37 #ifdef WLAN_FEATURE_NAN_CONVERGENCE 38 #include "target_if_nan.h" 39 #endif /* WLAN_FEATURE_NAN_CONVERGENCE */ 40 #include "wlan_reg_tgt_api.h" 41 #ifdef CONVERGED_P2P_ENABLE 42 #include "wlan_p2p_tgt_api.h" 43 #endif 44 #ifdef CONVERGED_TDLS_ENABLE 45 #include "wlan_tdls_tgt_api.h" 46 #endif 47 48 #ifdef WLAN_CONV_CRYPTO_SUPPORTED 49 #include "wlan_crypto_global_api.h" 50 #endif 51 #ifdef DFS_COMPONENT_ENABLE 52 #include <wlan_dfs_tgt_api.h> 53 #include <wlan_dfs_utils_api.h> 54 #endif 55 56 #ifdef WLAN_SUPPORT_GREEN_AP 57 #include <wlan_green_ap_api.h> 58 #include <wlan_green_ap_ucfg_api.h> 59 #endif 60 #include <wlan_ftm_ucfg_api.h> 61 62 #ifdef WLAN_SUPPORT_FILS 63 #include <wlan_fd_tgt_api.h> 64 #endif 65 66 #ifdef QCA_SUPPORT_CP_STATS 67 #include <wlan_cp_stats_tgt_api.h> 68 #endif /* QCA_SUPPORT_CP_STATS */ 69 70 /* Function pointer for OL/WMA specific UMAC tx_ops 71 * registration. 72 */ 73 QDF_STATUS (*wlan_lmac_if_umac_tx_ops_register) 74 (struct wlan_lmac_if_tx_ops *tx_ops); 75 qdf_export_symbol(wlan_lmac_if_umac_tx_ops_register); 76 77 #ifdef QCA_SUPPORT_CP_STATS 78 /** 79 * wlan_lmac_if_cp_stats_rx_ops_register() - API to register cp stats Rx Ops 80 * @rx_ops: pointer to lmac rx ops 81 * 82 * This API will be used to register function pointers for FW events 83 * 84 * Return: void 85 */ 86 static void 87 wlan_lmac_if_cp_stats_rx_ops_register(struct wlan_lmac_if_rx_ops *rx_ops) 88 { 89 tgt_cp_stats_register_rx_ops(rx_ops); 90 } 91 #else 92 static void 93 wlan_lmac_if_cp_stats_rx_ops_register(struct wlan_lmac_if_rx_ops *rx_ops) 94 { 95 } 96 #endif /* QCA_SUPPORT_CP_STATS */ 97 98 #ifdef WLAN_ATF_ENABLE 99 /** 100 * wlan_lmac_if_atf_rx_ops_register() - Function to register ATF RX ops. 101 */ 102 static void 103 wlan_lmac_if_atf_rx_ops_register(struct wlan_lmac_if_rx_ops *rx_ops) 104 { 105 struct wlan_lmac_if_atf_rx_ops *atf_rx_ops = &rx_ops->atf_rx_ops; 106 107 /* ATF rx ops */ 108 atf_rx_ops->atf_get_atf_commit = tgt_atf_get_atf_commit; 109 atf_rx_ops->atf_get_fmcap = tgt_atf_get_fmcap; 110 atf_rx_ops->atf_get_obss_scale = tgt_atf_get_obss_scale; 111 atf_rx_ops->atf_get_mode = tgt_atf_get_mode; 112 atf_rx_ops->atf_get_msdu_desc = tgt_atf_get_msdu_desc; 113 atf_rx_ops->atf_get_max_vdevs = tgt_atf_get_max_vdevs; 114 atf_rx_ops->atf_get_peers = tgt_atf_get_peers; 115 atf_rx_ops->atf_get_tput_based = tgt_atf_get_tput_based; 116 atf_rx_ops->atf_get_logging = tgt_atf_get_logging; 117 atf_rx_ops->atf_get_txbuf_share = tgt_atf_get_txbuf_share; 118 atf_rx_ops->atf_get_txbuf_max = tgt_atf_get_txbuf_max; 119 atf_rx_ops->atf_get_txbuf_min = tgt_atf_get_txbuf_min; 120 atf_rx_ops->atf_get_ssidgroup = tgt_atf_get_ssidgroup; 121 atf_rx_ops->atf_get_tx_block_count = tgt_atf_get_tx_block_count; 122 atf_rx_ops->atf_get_peer_blk_txtraffic = tgt_atf_get_peer_blk_txtraffic; 123 atf_rx_ops->atf_get_vdev_blk_txtraffic = tgt_atf_get_vdev_blk_txtraffic; 124 atf_rx_ops->atf_get_sched = tgt_atf_get_sched; 125 atf_rx_ops->atf_get_tx_tokens = tgt_atf_get_tx_tokens; 126 atf_rx_ops->atf_get_shadow_tx_tokens = tgt_atf_get_shadow_tx_tokens; 127 atf_rx_ops->atf_get_shadow_alloted_tx_tokens = 128 tgt_atf_get_shadow_alloted_tx_tokens; 129 atf_rx_ops->atf_get_txtokens_common = tgt_atf_get_txtokens_common; 130 atf_rx_ops->atf_get_peer_stats = tgt_atf_get_peer_stats; 131 atf_rx_ops->atf_get_token_allocated = tgt_atf_get_token_allocated; 132 atf_rx_ops->atf_get_token_utilized = tgt_atf_get_token_utilized; 133 134 atf_rx_ops->atf_set_sched = tgt_atf_set_sched; 135 atf_rx_ops->atf_set_fmcap = tgt_atf_set_fmcap; 136 atf_rx_ops->atf_set_obss_scale = tgt_atf_set_obss_scale; 137 atf_rx_ops->atf_set_mode = tgt_atf_set_mode; 138 atf_rx_ops->atf_set_msdu_desc = tgt_atf_set_msdu_desc; 139 atf_rx_ops->atf_set_max_vdevs = tgt_atf_set_max_vdevs; 140 atf_rx_ops->atf_set_peers = tgt_atf_set_peers; 141 atf_rx_ops->atf_set_peer_stats = tgt_atf_set_peer_stats; 142 atf_rx_ops->atf_set_vdev_blk_txtraffic = tgt_atf_set_vdev_blk_txtraffic; 143 atf_rx_ops->atf_set_peer_blk_txtraffic = tgt_atf_set_peer_blk_txtraffic; 144 atf_rx_ops->atf_set_tx_block_count = tgt_atf_set_tx_block_count; 145 atf_rx_ops->atf_set_token_allocated = tgt_atf_set_token_allocated; 146 atf_rx_ops->atf_set_token_utilized = tgt_atf_set_token_utilized; 147 } 148 #else 149 static void 150 wlan_lmac_if_atf_rx_ops_register(struct wlan_lmac_if_rx_ops *rx_ops) 151 { 152 } 153 #endif 154 155 #ifdef WLAN_SUPPORT_FILS 156 static void 157 wlan_lmac_if_fd_rx_ops_register(struct wlan_lmac_if_rx_ops *rx_ops) 158 { 159 struct wlan_lmac_if_fd_rx_ops *fd_rx_ops = &rx_ops->fd_rx_ops; 160 161 fd_rx_ops->fd_is_fils_enable = tgt_fd_is_fils_enable; 162 fd_rx_ops->fd_alloc = tgt_fd_alloc; 163 fd_rx_ops->fd_stop = tgt_fd_stop; 164 fd_rx_ops->fd_free = tgt_fd_free; 165 fd_rx_ops->fd_get_valid_fd_period = tgt_fd_get_valid_fd_period; 166 fd_rx_ops->fd_swfda_handler = tgt_fd_swfda_handler; 167 } 168 #else 169 static void 170 wlan_lmac_if_fd_rx_ops_register(struct wlan_lmac_if_rx_ops *rx_ops) 171 { 172 } 173 #endif 174 175 #ifdef WLAN_SA_API_ENABLE 176 /** 177 * wlan_lmac_if_sa_api_rx_ops_register() - Function to register SA_API RX ops. 178 */ 179 static void 180 wlan_lmac_if_sa_api_rx_ops_register(struct wlan_lmac_if_rx_ops *rx_ops) 181 { 182 struct wlan_lmac_if_sa_api_rx_ops *sa_api_rx_ops = &rx_ops->sa_api_rx_ops; 183 184 /* SA API rx ops */ 185 sa_api_rx_ops->sa_api_get_sa_supported = tgt_sa_api_get_sa_supported; 186 sa_api_rx_ops->sa_api_get_validate_sw = tgt_sa_api_get_validate_sw; 187 sa_api_rx_ops->sa_api_enable_sa = tgt_sa_api_enable_sa; 188 sa_api_rx_ops->sa_api_get_sa_enable = tgt_sa_api_get_sa_enable; 189 190 sa_api_rx_ops->sa_api_peer_assoc_hanldler = tgt_sa_api_peer_assoc_hanldler; 191 sa_api_rx_ops->sa_api_update_tx_feedback = tgt_sa_api_update_tx_feedback; 192 sa_api_rx_ops->sa_api_update_rx_feedback = tgt_sa_api_update_rx_feedback; 193 194 sa_api_rx_ops->sa_api_ucfg_set_param = tgt_sa_api_ucfg_set_param; 195 sa_api_rx_ops->sa_api_ucfg_get_param = tgt_sa_api_ucfg_get_param; 196 197 sa_api_rx_ops->sa_api_is_tx_feedback_enabled = tgt_sa_api_is_tx_feedback_enabled; 198 sa_api_rx_ops->sa_api_is_rx_feedback_enabled = tgt_sa_api_is_rx_feedback_enabled; 199 200 sa_api_rx_ops->sa_api_convert_rate_2g = tgt_sa_api_convert_rate_2g; 201 sa_api_rx_ops->sa_api_convert_rate_5g = tgt_sa_api_convert_rate_5g; 202 sa_api_rx_ops->sa_api_get_sa_mode = tgt_sa_api_get_sa_mode; 203 204 sa_api_rx_ops->sa_api_get_beacon_txantenna = tgt_sa_api_get_beacon_txantenna; 205 sa_api_rx_ops->sa_api_cwm_action = tgt_sa_api_cwm_action; 206 } 207 #else 208 static void 209 wlan_lmac_if_sa_api_rx_ops_register(struct wlan_lmac_if_rx_ops *rx_ops) 210 { 211 } 212 #endif 213 214 215 #ifdef WLAN_CONV_CRYPTO_SUPPORTED 216 static void 217 wlan_lmac_if_crypto_rx_ops_register(struct wlan_lmac_if_rx_ops *rx_ops) 218 { 219 wlan_crypto_register_crypto_rx_ops(&rx_ops->crypto_rx_ops); 220 } 221 #else 222 static void 223 wlan_lmac_if_crypto_rx_ops_register(struct wlan_lmac_if_rx_ops *rx_ops) 224 { 225 } 226 #endif 227 228 #ifdef WIFI_POS_CONVERGED 229 static void wlan_lmac_if_umac_rx_ops_register_wifi_pos( 230 struct wlan_lmac_if_rx_ops *rx_ops) 231 { 232 target_if_wifi_pos_register_rx_ops(rx_ops); 233 } 234 #else 235 static void wlan_lmac_if_umac_rx_ops_register_wifi_pos( 236 struct wlan_lmac_if_rx_ops *rx_ops) 237 { 238 } 239 #endif /* WIFI_POS_CONVERGED */ 240 241 #ifdef WLAN_FEATURE_NAN_CONVERGENCE 242 static void wlan_lmac_if_register_nan_rx_ops(struct wlan_lmac_if_rx_ops *rx_ops) 243 { 244 target_if_nan_register_rx_ops(rx_ops); 245 } 246 #else 247 static void wlan_lmac_if_register_nan_rx_ops(struct wlan_lmac_if_rx_ops *rx_ops) 248 { 249 } 250 #endif /* WLAN_FEATURE_NAN_CONVERGENCE */ 251 252 static void wlan_lmac_if_umac_reg_rx_ops_register( 253 struct wlan_lmac_if_rx_ops *rx_ops) 254 { 255 rx_ops->reg_rx_ops.master_list_handler = 256 tgt_reg_process_master_chan_list; 257 258 rx_ops->reg_rx_ops.reg_11d_new_cc_handler = 259 tgt_reg_process_11d_new_country; 260 261 rx_ops->reg_rx_ops.reg_set_regdb_offloaded = 262 tgt_reg_set_regdb_offloaded; 263 264 rx_ops->reg_rx_ops.reg_set_11d_offloaded = 265 tgt_reg_set_11d_offloaded; 266 267 rx_ops->reg_rx_ops.get_dfs_region = 268 wlan_reg_get_dfs_region; 269 270 rx_ops->reg_rx_ops.reg_ch_avoid_event_handler = 271 tgt_reg_process_ch_avoid_event; 272 273 rx_ops->reg_rx_ops.reg_freq_to_chan = 274 wlan_reg_freq_to_chan; 275 276 rx_ops->reg_rx_ops.reg_set_chan_144 = 277 ucfg_reg_modify_chan_144; 278 279 rx_ops->reg_rx_ops.reg_get_chan_144 = 280 ucfg_reg_get_en_chan_144; 281 282 rx_ops->reg_rx_ops.reg_program_default_cc = 283 ucfg_reg_program_default_cc; 284 285 rx_ops->reg_rx_ops.reg_get_current_regdomain = 286 wlan_reg_get_curr_regdomain; 287 } 288 289 #ifdef CONVERGED_P2P_ENABLE 290 static void wlan_lmac_if_umac_rx_ops_register_p2p( 291 struct wlan_lmac_if_rx_ops *rx_ops) 292 { 293 rx_ops->p2p.lo_ev_handler = tgt_p2p_lo_event_cb; 294 rx_ops->p2p.noa_ev_handler = tgt_p2p_noa_event_cb; 295 } 296 #else 297 static void wlan_lmac_if_umac_rx_ops_register_p2p( 298 struct wlan_lmac_if_rx_ops *rx_ops) 299 { 300 } 301 #endif 302 303 #ifdef DFS_COMPONENT_ENABLE 304 static QDF_STATUS 305 wlan_lmac_if_umac_dfs_rx_ops_register(struct wlan_lmac_if_rx_ops *rx_ops) 306 { 307 struct wlan_lmac_if_dfs_rx_ops *dfs_rx_ops; 308 309 dfs_rx_ops = &rx_ops->dfs_rx_ops; 310 311 dfs_rx_ops->dfs_get_radars = tgt_dfs_get_radars; 312 dfs_rx_ops->dfs_process_phyerr = tgt_dfs_process_phyerr; 313 dfs_rx_ops->dfs_destroy_object = tgt_dfs_destroy_object; 314 dfs_rx_ops->dfs_radar_enable = tgt_dfs_radar_enable; 315 dfs_rx_ops->dfs_control = tgt_dfs_control; 316 dfs_rx_ops->dfs_is_precac_timer_running = 317 tgt_dfs_is_precac_timer_running; 318 dfs_rx_ops->dfs_find_vht80_chan_for_precac = 319 tgt_dfs_find_vht80_chan_for_precac; 320 dfs_rx_ops->dfs_cancel_precac_timer = utils_dfs_cancel_precac_timer; 321 dfs_rx_ops->dfs_override_precac_timeout = 322 ucfg_dfs_override_precac_timeout; 323 dfs_rx_ops->dfs_set_precac_enable = ucfg_dfs_set_precac_enable; 324 dfs_rx_ops->dfs_get_precac_enable = ucfg_dfs_get_precac_enable; 325 dfs_rx_ops->dfs_get_override_precac_timeout = 326 ucfg_dfs_get_override_precac_timeout; 327 dfs_rx_ops->dfs_set_current_channel = tgt_dfs_set_current_channel; 328 dfs_rx_ops->dfs_process_radar_ind = tgt_dfs_process_radar_ind; 329 dfs_rx_ops->dfs_dfs_cac_complete_ind = tgt_dfs_cac_complete; 330 dfs_rx_ops->dfs_stop = tgt_dfs_stop; 331 dfs_rx_ops->dfs_process_phyerr_filter_offload = 332 tgt_dfs_process_phyerr_filter_offload; 333 dfs_rx_ops->dfs_is_phyerr_filter_offload = 334 tgt_dfs_is_phyerr_filter_offload; 335 336 return QDF_STATUS_SUCCESS; 337 } 338 #else 339 static QDF_STATUS 340 wlan_lmac_if_umac_dfs_rx_ops_register(struct wlan_lmac_if_rx_ops *rx_ops) 341 { 342 return QDF_STATUS_SUCCESS; 343 } 344 #endif 345 346 #ifdef CONVERGED_TDLS_ENABLE 347 static QDF_STATUS 348 wlan_lmac_if_umac_tdls_rx_ops_register(struct wlan_lmac_if_rx_ops *rx_ops) 349 { 350 rx_ops->tdls_rx_ops.tdls_ev_handler = tgt_tdls_event_handler; 351 352 return QDF_STATUS_SUCCESS; 353 } 354 #else 355 static QDF_STATUS 356 wlan_lmac_if_umac_tdls_rx_ops_register(struct wlan_lmac_if_rx_ops *rx_ops) 357 { 358 return QDF_STATUS_SUCCESS; 359 } 360 #endif 361 362 #ifdef WLAN_SUPPORT_GREEN_AP 363 static QDF_STATUS 364 wlan_lmac_if_umac_green_ap_rx_ops_register(struct wlan_lmac_if_rx_ops *rx_ops) 365 { 366 rx_ops->green_ap_rx_ops.is_ps_enabled = wlan_green_ap_is_ps_enabled; 367 rx_ops->green_ap_rx_ops.is_dbg_print_enabled = 368 ucfg_green_ap_get_debug_prints; 369 rx_ops->green_ap_rx_ops.ps_set = ucfg_green_ap_set_ps_config; 370 rx_ops->green_ap_rx_ops.ps_get = ucfg_green_ap_get_ps_config; 371 rx_ops->green_ap_rx_ops.suspend_handle = wlan_green_ap_suspend_handle; 372 373 return QDF_STATUS_SUCCESS; 374 } 375 #else 376 static QDF_STATUS 377 wlan_lmac_if_umac_green_ap_rx_ops_register(struct wlan_lmac_if_rx_ops *rx_ops) 378 { 379 return QDF_STATUS_SUCCESS; 380 } 381 #endif 382 383 static QDF_STATUS 384 wlan_lmac_if_umac_ftm_rx_ops_register(struct wlan_lmac_if_rx_ops *rx_ops) 385 { 386 struct wlan_lmac_if_ftm_rx_ops *ftm_rx_ops; 387 388 ftm_rx_ops = &rx_ops->ftm_rx_ops; 389 390 ftm_rx_ops->ftm_ev_handler = wlan_ftm_process_utf_event; 391 392 return QDF_STATUS_SUCCESS; 393 } 394 395 /** 396 * wlan_lmac_if_umac_rx_ops_register() - UMAC rx handler register 397 * @rx_ops: Pointer to rx_ops structure to be populated 398 * 399 * Register umac RX callabacks which will be called by DA/OL/WMA/WMI 400 * 401 * Return: QDF_STATUS_SUCCESS - in case of success 402 */ 403 QDF_STATUS 404 wlan_lmac_if_umac_rx_ops_register(struct wlan_lmac_if_rx_ops *rx_ops) 405 { 406 /* Component specific public api's to be called to register 407 * respective callbacks 408 * Ex: rx_ops->fp = function; 409 */ 410 struct wlan_lmac_if_mgmt_txrx_rx_ops *mgmt_txrx_rx_ops; 411 412 if (!rx_ops) { 413 qdf_print("%s: lmac if rx ops pointer is NULL", __func__); 414 return QDF_STATUS_E_INVAL; 415 } 416 417 /* mgmt txrx rx ops */ 418 mgmt_txrx_rx_ops = &rx_ops->mgmt_txrx_rx_ops; 419 420 mgmt_txrx_rx_ops->mgmt_tx_completion_handler = 421 tgt_mgmt_txrx_tx_completion_handler; 422 mgmt_txrx_rx_ops->mgmt_rx_frame_handler = 423 tgt_mgmt_txrx_rx_frame_handler; 424 mgmt_txrx_rx_ops->mgmt_txrx_get_nbuf_from_desc_id = 425 tgt_mgmt_txrx_get_nbuf_from_desc_id; 426 mgmt_txrx_rx_ops->mgmt_txrx_get_peer_from_desc_id = 427 tgt_mgmt_txrx_get_peer_from_desc_id; 428 mgmt_txrx_rx_ops->mgmt_txrx_get_vdev_id_from_desc_id = 429 tgt_mgmt_txrx_get_vdev_id_from_desc_id; 430 mgmt_txrx_rx_ops->mgmt_txrx_get_free_desc_pool_count = 431 tgt_mgmt_txrx_get_free_desc_pool_count; 432 433 /* scan rx ops */ 434 rx_ops->scan.scan_ev_handler = tgt_scan_event_handler; 435 rx_ops->scan.scan_set_max_active_scans = tgt_scan_set_max_active_scans; 436 437 wlan_lmac_if_atf_rx_ops_register(rx_ops); 438 439 wlan_lmac_if_cp_stats_rx_ops_register(rx_ops); 440 441 wlan_lmac_if_sa_api_rx_ops_register(rx_ops); 442 443 wlan_lmac_if_crypto_rx_ops_register(rx_ops); 444 /* wifi_pos rx ops */ 445 wlan_lmac_if_umac_rx_ops_register_wifi_pos(rx_ops); 446 447 /* tdls rx ops */ 448 wlan_lmac_if_umac_tdls_rx_ops_register(rx_ops); 449 450 wlan_lmac_if_register_nan_rx_ops(rx_ops); 451 452 wlan_lmac_if_umac_reg_rx_ops_register(rx_ops); 453 454 /* p2p rx ops */ 455 wlan_lmac_if_umac_rx_ops_register_p2p(rx_ops); 456 457 /* DFS rx_ops */ 458 wlan_lmac_if_umac_dfs_rx_ops_register(rx_ops); 459 460 wlan_lmac_if_umac_green_ap_rx_ops_register(rx_ops); 461 462 /* FTM rx_ops */ 463 wlan_lmac_if_umac_ftm_rx_ops_register(rx_ops); 464 465 /* FILS Discovery */ 466 wlan_lmac_if_fd_rx_ops_register(rx_ops); 467 468 return QDF_STATUS_SUCCESS; 469 } 470 471 /** 472 * wlan_lmac_if_set_umac_txops_registration_cb() - tx registration 473 * callback assignment 474 * @dev_type: Dev type can be either Direct attach or Offload 475 * @handler: handler to be called for LMAC tx ops registration 476 * 477 * API to assign appropriate tx registration callback handler based on the 478 * device type(Offload or Direct attach) 479 * 480 * Return: QDF_STATUS_SUCCESS - in case of success 481 */ 482 QDF_STATUS wlan_lmac_if_set_umac_txops_registration_cb(QDF_STATUS (*handler) 483 (struct wlan_lmac_if_tx_ops *)) 484 { 485 wlan_lmac_if_umac_tx_ops_register = handler; 486 return QDF_STATUS_SUCCESS; 487 } 488 qdf_export_symbol(wlan_lmac_if_set_umac_txops_registration_cb); 489 490