1 /* 2 * Copyright (c) 2016-2020 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_global_lmac_if_api.h" 25 #ifdef WLAN_CONV_SPECTRAL_ENABLE 26 #include <wlan_spectral_utils_api.h> 27 #endif 28 #include <target_if_psoc_wake_lock.h> 29 30 /* Function pointer to call DA/OL specific tx_ops registration function */ 31 QDF_STATUS (*wlan_global_lmac_if_tx_ops_register[MAX_DEV_TYPE]) 32 (struct wlan_lmac_if_tx_ops *tx_ops); 33 34 /* 35 * spectral scan is built as separate .ko for WIN where 36 * MCL it is part of wlan.ko so the registration of 37 .* rx ops to global lmac if layer is different between WIN 38 * and MCL 39 */ 40 #ifdef WLAN_CONV_SPECTRAL_ENABLE 41 /** 42 * wlan_spectral_register_rx_ops() - Register spectral component RX OPS 43 * @rx_ops: lmac if receive ops 44 * 45 * Return: None 46 */ 47 #ifdef SPECTRAL_MODULIZED_ENABLE 48 /* Function pointer for spectral rx_ops registration function */ 49 void (*wlan_lmac_if_sptrl_rx_ops)(struct wlan_lmac_if_rx_ops *rx_ops); 50 51 QDF_STATUS wlan_lmac_if_sptrl_set_rx_ops_register_cb(void (*handler) 52 (struct wlan_lmac_if_rx_ops *)) 53 { 54 wlan_lmac_if_sptrl_rx_ops = handler; 55 56 return QDF_STATUS_SUCCESS; 57 } 58 59 qdf_export_symbol(wlan_lmac_if_sptrl_set_rx_ops_register_cb); 60 61 static void wlan_spectral_register_rx_ops(struct wlan_lmac_if_rx_ops *rx_ops) 62 { 63 wlan_lmac_if_sptrl_rx_ops(rx_ops); 64 } 65 #else 66 static void wlan_spectral_register_rx_ops(struct wlan_lmac_if_rx_ops *rx_ops) 67 { 68 wlan_lmac_if_sptrl_register_rx_ops(rx_ops); 69 } 70 #endif /* SPECTRAL_MODULIZED_ENABLE */ 71 #else 72 /** 73 * wlan_spectral_register_rx_ops() - Dummy api to register spectral RX OPS 74 * @rx_ops: lmac if receive ops 75 * 76 * Return: None 77 */ 78 static void wlan_spectral_register_rx_ops(struct wlan_lmac_if_rx_ops *rx_ops) 79 { 80 } 81 #endif /*WLAN_CONV_SPECTRAL_ENABLE*/ 82 83 #ifdef WLAN_IOT_SIM_SUPPORT 84 /* Function pointer for iot_sim rx_ops registration function */ 85 void (*wlan_lmac_if_iot_sim_rx_ops)(struct wlan_lmac_if_rx_ops *rx_ops); 86 87 QDF_STATUS wlan_lmac_if_iot_sim_set_rx_ops_register_cb(void (*handler) 88 (struct wlan_lmac_if_rx_ops *)) 89 { 90 wlan_lmac_if_iot_sim_rx_ops = handler; 91 92 return QDF_STATUS_SUCCESS; 93 } 94 95 qdf_export_symbol(wlan_lmac_if_iot_sim_set_rx_ops_register_cb); 96 97 static void wlan_iot_sim_register_rx_ops(struct wlan_lmac_if_rx_ops *rx_ops) 98 { 99 if (wlan_lmac_if_iot_sim_rx_ops) 100 wlan_lmac_if_iot_sim_rx_ops(rx_ops); 101 else 102 qdf_print("\n***** IOT SIM MODULE NOT LOADED *****\n"); 103 } 104 105 #else 106 static void wlan_iot_sim_register_rx_ops(struct wlan_lmac_if_rx_ops *rx_ops) 107 { 108 } 109 #endif 110 111 /** 112 * wlan_global_lmac_if_rx_ops_register() - Global lmac_if 113 * rx handler register 114 * @rx_ops: Pointer to rx_ops structure to be populated 115 * 116 * Register lmac_if RX callabacks which will be called by DA/OL/WMA/WMI 117 * 118 * Return: QDF_STATUS_SUCCESS - in case of success 119 */ 120 QDF_STATUS 121 wlan_global_lmac_if_rx_ops_register(struct wlan_lmac_if_rx_ops *rx_ops) 122 { 123 /* 124 * Component specific public api's to be called to register 125 * respective callbacks 126 * Ex: rx_ops->fp = function; 127 */ 128 if (!rx_ops) { 129 qdf_err("lmac if rx ops pointer is NULL"); 130 return QDF_STATUS_E_INVAL; 131 } 132 /* Registeration for UMAC componets */ 133 wlan_lmac_if_umac_rx_ops_register(rx_ops); 134 135 /* spectral rx_ops registration*/ 136 wlan_spectral_register_rx_ops(rx_ops); 137 138 /* iot_sim rx_ops registration*/ 139 wlan_iot_sim_register_rx_ops(rx_ops); 140 141 return QDF_STATUS_SUCCESS; 142 } 143 144 /** 145 * wlan_global_lmac_if_open() - global lmac_if open 146 * @psoc: psoc context 147 * 148 * Opens up lmac_if southbound layer. This function calls OL,DA and UMAC 149 * modules to register respective tx and rx callbacks. 150 * 151 * Return: QDF_STATUS 152 */ 153 QDF_STATUS wlan_global_lmac_if_open(struct wlan_objmgr_psoc *psoc) 154 { 155 WLAN_DEV_TYPE dev_type; 156 157 struct wlan_lmac_if_tx_ops *tx_ops; 158 struct wlan_lmac_if_rx_ops *rx_ops; 159 160 if (!psoc) { 161 qdf_err("psoc is NULL"); 162 return QDF_STATUS_E_INVAL; 163 } 164 165 tx_ops = qdf_mem_malloc(sizeof(*tx_ops)); 166 if (!tx_ops) { 167 qdf_err("tx_ops is NULL"); 168 return QDF_STATUS_E_NOMEM; 169 } 170 171 rx_ops = qdf_mem_malloc(sizeof(*rx_ops)); 172 if (!rx_ops) { 173 qdf_err("rx_ops is NULL"); 174 qdf_mem_free(tx_ops); 175 return QDF_STATUS_E_NOMEM; 176 } 177 178 wlan_psoc_set_lmac_if_txops(psoc, tx_ops); 179 wlan_psoc_set_lmac_if_rxops(psoc, rx_ops); 180 181 dev_type = psoc->soc_nif.phy_type; 182 183 if (dev_type == WLAN_DEV_DA || dev_type == WLAN_DEV_OL) { 184 wlan_global_lmac_if_tx_ops_register[dev_type] 185 (tx_ops); 186 } else { 187 /* Control should ideally not reach here */ 188 qdf_print("Invalid device type"); 189 qdf_mem_free(tx_ops); 190 qdf_mem_free(rx_ops); 191 return QDF_STATUS_E_INVAL; 192 } 193 194 /* Function call to register rx-ops handlers */ 195 wlan_global_lmac_if_rx_ops_register(rx_ops); 196 197 target_if_wake_lock_init(psoc); 198 199 return QDF_STATUS_SUCCESS; 200 } 201 qdf_export_symbol(wlan_global_lmac_if_open); 202 203 /** 204 * wlan_global_lmac_if_close() - Close global lmac_if 205 * @psoc: psoc context 206 * 207 * Deregister lmac_if TX and RX handlers 208 * 209 * Return: QDF_STATUS_SUCCESS - in case of success 210 */ 211 QDF_STATUS wlan_global_lmac_if_close(struct wlan_objmgr_psoc *psoc) 212 { 213 struct wlan_lmac_if_tx_ops *tx_ops; 214 struct wlan_lmac_if_rx_ops *rx_ops; 215 216 if (!psoc) { 217 qdf_err("psoc is NULL"); 218 return QDF_STATUS_E_INVAL; 219 } 220 221 target_if_wake_lock_deinit(psoc); 222 tx_ops = wlan_psoc_get_lmac_if_txops(psoc); 223 rx_ops = wlan_psoc_get_lmac_if_rxops(psoc); 224 225 wlan_psoc_set_lmac_if_txops(psoc, NULL); 226 wlan_psoc_set_lmac_if_rxops(psoc, NULL); 227 228 qdf_mem_free(tx_ops); 229 qdf_mem_free(rx_ops); 230 231 return QDF_STATUS_SUCCESS; 232 } 233 qdf_export_symbol(wlan_global_lmac_if_close); 234 235 /** 236 * wlan_global_lmac_if_set_txops_registration_cb() - tx 237 * registration callback assignment 238 * @dev_type: Dev type can be either Direct attach or Offload 239 * @handler: handler to be called for LMAC tx ops registration 240 * 241 * API to assign appropriate tx registration callback handler based on the 242 * device type(Offload or Direct attach) 243 * 244 * Return: QDF_STATUS_SUCCESS - in case of success 245 */ 246 QDF_STATUS wlan_global_lmac_if_set_txops_registration_cb(WLAN_DEV_TYPE dev_type, 247 QDF_STATUS (*handler)(struct wlan_lmac_if_tx_ops *)) 248 { 249 wlan_global_lmac_if_tx_ops_register[dev_type] = handler; 250 251 return QDF_STATUS_SUCCESS; 252 } 253 qdf_export_symbol(wlan_global_lmac_if_set_txops_registration_cb); 254