1 /* 2 * Copyright (c) 2017-2021 The Linux Foundation. All rights reserved. 3 * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved. 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_status.h> 21 #include <target_if_direct_buf_rx_api.h> 22 #include <wlan_objmgr_cmn.h> 23 #include <wlan_objmgr_global_obj.h> 24 #include <wlan_objmgr_psoc_obj.h> 25 #include <wlan_objmgr_cmn.h> 26 #include "target_if_direct_buf_rx_main.h" 27 #include <qdf_module.h> 28 #include <wlan_lmac_if_def.h> 29 30 #if defined(WLAN_DEBUGFS) && defined(DIRECT_BUF_RX_DEBUG) 31 /* Base debugfs entry for DBR module */ 32 qdf_dentry_t dbr_debugfs_entry; 33 34 static inline void 35 target_if_direct_buf_rx_debugfs_init(void) 36 { 37 dbr_debugfs_entry = qdf_debugfs_create_dir("dbr_ring_debug", NULL); 38 39 if (!dbr_debugfs_entry) 40 direct_buf_rx_err("error while creating direct_buf rx debugfs dir"); 41 } 42 43 static inline void 44 target_if_direct_buf_rx_debugfs_deinit(void) 45 { 46 if (dbr_debugfs_entry) { 47 qdf_debugfs_remove_dir_recursive(dbr_debugfs_entry); 48 dbr_debugfs_entry = NULL; 49 } 50 } 51 #else 52 static inline void 53 target_if_direct_buf_rx_debugfs_init(void) 54 { 55 } 56 57 static inline void 58 target_if_direct_buf_rx_debugfs_deinit(void) 59 { 60 } 61 #endif /* WLAN_DEBUGFS && DIRECT_BUF_RX_DEBUG */ 62 63 QDF_STATUS direct_buf_rx_init(void) 64 { 65 QDF_STATUS status; 66 67 status = wlan_objmgr_register_psoc_create_handler( 68 WLAN_TARGET_IF_COMP_DIRECT_BUF_RX, 69 target_if_direct_buf_rx_psoc_create_handler, 70 NULL); 71 72 if (QDF_IS_STATUS_ERROR(status)) { 73 direct_buf_rx_err("Failed to register psoc create handler"); 74 return status; 75 } 76 77 status = wlan_objmgr_register_psoc_destroy_handler( 78 WLAN_TARGET_IF_COMP_DIRECT_BUF_RX, 79 target_if_direct_buf_rx_psoc_destroy_handler, 80 NULL); 81 82 if (QDF_IS_STATUS_ERROR(status)) { 83 direct_buf_rx_err("Failed to register psoc destroy handler"); 84 goto dbr_unreg_psoc_create; 85 } 86 87 status = wlan_objmgr_register_pdev_create_handler( 88 WLAN_TARGET_IF_COMP_DIRECT_BUF_RX, 89 target_if_direct_buf_rx_pdev_create_handler, 90 NULL); 91 92 if (QDF_IS_STATUS_ERROR(status)) { 93 direct_buf_rx_err("Failed to register pdev create handler"); 94 goto dbr_unreg_psoc_destroy; 95 } 96 97 status = wlan_objmgr_register_pdev_destroy_handler( 98 WLAN_TARGET_IF_COMP_DIRECT_BUF_RX, 99 target_if_direct_buf_rx_pdev_destroy_handler, 100 NULL); 101 102 if (QDF_IS_STATUS_ERROR(status)) { 103 direct_buf_rx_err("Failed to register pdev destroy handler"); 104 goto dbr_unreg_pdev_create; 105 } 106 107 target_if_direct_buf_rx_debugfs_init(); 108 109 direct_buf_rx_info("Direct Buffer RX pdev,psoc create and destroy handlers registered"); 110 111 return QDF_STATUS_SUCCESS; 112 113 dbr_unreg_pdev_create: 114 status = wlan_objmgr_unregister_pdev_create_handler( 115 WLAN_TARGET_IF_COMP_DIRECT_BUF_RX, 116 target_if_direct_buf_rx_pdev_create_handler, 117 NULL); 118 119 dbr_unreg_psoc_destroy: 120 status = wlan_objmgr_unregister_psoc_destroy_handler( 121 WLAN_TARGET_IF_COMP_DIRECT_BUF_RX, 122 target_if_direct_buf_rx_psoc_destroy_handler, 123 NULL); 124 125 dbr_unreg_psoc_create: 126 status = wlan_objmgr_unregister_psoc_create_handler( 127 WLAN_TARGET_IF_COMP_DIRECT_BUF_RX, 128 target_if_direct_buf_rx_psoc_create_handler, 129 NULL); 130 131 return QDF_STATUS_E_FAILURE; 132 } 133 qdf_export_symbol(direct_buf_rx_init); 134 135 QDF_STATUS direct_buf_rx_deinit(void) 136 { 137 QDF_STATUS status; 138 139 target_if_direct_buf_rx_debugfs_deinit(); 140 141 status = wlan_objmgr_unregister_pdev_destroy_handler( 142 WLAN_TARGET_IF_COMP_DIRECT_BUF_RX, 143 target_if_direct_buf_rx_pdev_destroy_handler, 144 NULL); 145 146 if (QDF_IS_STATUS_ERROR(status)) 147 direct_buf_rx_err("Failed to unregister pdev destroy handler"); 148 149 status = wlan_objmgr_unregister_pdev_create_handler( 150 WLAN_TARGET_IF_COMP_DIRECT_BUF_RX, 151 target_if_direct_buf_rx_pdev_create_handler, 152 NULL); 153 154 if (QDF_IS_STATUS_ERROR(status)) 155 direct_buf_rx_err("Failed to unregister pdev create handler"); 156 157 status = wlan_objmgr_unregister_psoc_destroy_handler( 158 WLAN_TARGET_IF_COMP_DIRECT_BUF_RX, 159 target_if_direct_buf_rx_psoc_destroy_handler, 160 NULL); 161 162 if (QDF_IS_STATUS_ERROR(status)) 163 direct_buf_rx_err("Failed to unregister psoc destroy handler"); 164 165 status = wlan_objmgr_unregister_psoc_create_handler( 166 WLAN_TARGET_IF_COMP_DIRECT_BUF_RX, 167 target_if_direct_buf_rx_psoc_create_handler, 168 NULL); 169 170 if (QDF_IS_STATUS_ERROR(status)) 171 direct_buf_rx_err("Failed to unregister psoc create handler"); 172 173 direct_buf_rx_debug("Direct Buffer RX pdev,psoc create and destroy handlers unregistered"); 174 175 return status; 176 } 177 qdf_export_symbol(direct_buf_rx_deinit); 178 179 QDF_STATUS direct_buf_rx_target_attach(struct wlan_objmgr_psoc *psoc, 180 void *hal_soc, qdf_device_t osdev) 181 { 182 struct direct_buf_rx_psoc_obj *dbr_psoc_obj; 183 184 if (!hal_soc || !osdev) { 185 direct_buf_rx_err("hal soc or osdev is null"); 186 return QDF_STATUS_E_INVAL; 187 } 188 189 dbr_psoc_obj = wlan_objmgr_psoc_get_comp_private_obj(psoc, 190 WLAN_TARGET_IF_COMP_DIRECT_BUF_RX); 191 192 direct_buf_rx_debug("Dbr psoc obj %pK", dbr_psoc_obj); 193 194 if (!dbr_psoc_obj) { 195 direct_buf_rx_err("dir buf rx psoc obj is null"); 196 return QDF_STATUS_E_FAILURE; 197 } 198 199 dbr_psoc_obj->hal_soc = hal_soc; 200 dbr_psoc_obj->osdev = osdev; 201 202 return QDF_STATUS_SUCCESS; 203 } 204 205 #ifdef DIRECT_BUF_RX_DEBUG 206 static inline void 207 target_if_direct_buf_rx_debug_register_tx_ops( 208 struct wlan_lmac_if_tx_ops *tx_ops) 209 { 210 tx_ops->dbr_tx_ops.direct_buf_rx_start_ring_debug = 211 target_if_dbr_start_ring_debug; 212 tx_ops->dbr_tx_ops.direct_buf_rx_stop_ring_debug = 213 target_if_dbr_stop_ring_debug; 214 tx_ops->dbr_tx_ops.direct_buf_rx_start_buffer_poisoning = 215 target_if_dbr_start_buffer_poisoning; 216 tx_ops->dbr_tx_ops.direct_buf_rx_stop_buffer_poisoning = 217 target_if_dbr_stop_buffer_poisoning; 218 } 219 #else 220 static inline void 221 target_if_direct_buf_rx_debug_register_tx_ops( 222 struct wlan_lmac_if_tx_ops *tx_ops) 223 { 224 } 225 #endif /* DIRECT_BUF_RX_DEBUG */ 226 227 void target_if_direct_buf_rx_register_tx_ops(struct wlan_lmac_if_tx_ops *tx_ops) 228 { 229 tx_ops->dbr_tx_ops.direct_buf_rx_module_register = 230 target_if_direct_buf_rx_module_register; 231 tx_ops->dbr_tx_ops.direct_buf_rx_module_unregister = 232 target_if_direct_buf_rx_module_unregister; 233 tx_ops->dbr_tx_ops.direct_buf_rx_register_events = 234 target_if_direct_buf_rx_register_events; 235 tx_ops->dbr_tx_ops.direct_buf_rx_unregister_events = 236 target_if_direct_buf_rx_unregister_events; 237 tx_ops->dbr_tx_ops.direct_buf_rx_print_ring_stat = 238 target_if_direct_buf_rx_print_ring_stat; 239 tx_ops->dbr_tx_ops.direct_buf_rx_get_ring_params = 240 target_if_direct_buf_rx_get_ring_params; 241 target_if_direct_buf_rx_debug_register_tx_ops(tx_ops); 242 } 243 qdf_export_symbol(target_if_direct_buf_rx_register_tx_ops); 244 245 QDF_STATUS target_if_dbr_update_pdev_for_hw_mode_change( 246 struct wlan_objmgr_pdev *pdev, int phy_idx) 247 { 248 struct wlan_objmgr_psoc *psoc; 249 struct direct_buf_rx_psoc_obj *dbr_psoc_obj; 250 251 psoc = wlan_pdev_get_psoc(pdev); 252 if (!psoc) { 253 direct_buf_rx_err("psoc is null"); 254 return QDF_STATUS_E_NULL_VALUE; 255 } 256 257 dbr_psoc_obj = wlan_objmgr_psoc_get_comp_private_obj( 258 psoc, WLAN_TARGET_IF_COMP_DIRECT_BUF_RX); 259 if (!dbr_psoc_obj) { 260 direct_buf_rx_err("dir buf rx psoc object is null"); 261 return QDF_STATUS_E_NULL_VALUE; 262 } 263 264 /* Update DBR object in pdev */ 265 pdev->pdev_comp_priv_obj[WLAN_TARGET_IF_COMP_DIRECT_BUF_RX] = 266 (void *)dbr_psoc_obj->dbr_pdev_obj[phy_idx]; 267 268 return QDF_STATUS_SUCCESS; 269 } 270 271 QDF_STATUS target_if_dbr_set_event_handler_ctx( 272 struct wlan_objmgr_psoc *psoc, 273 enum wmi_rx_exec_ctx event_handler_ctx) 274 { 275 struct direct_buf_rx_psoc_obj *dbr_psoc_obj; 276 277 if (!psoc) { 278 direct_buf_rx_err("psoc is null"); 279 return QDF_STATUS_E_NULL_VALUE; 280 } 281 282 if (event_handler_ctx != WMI_RX_UMAC_CTX && 283 event_handler_ctx != WMI_RX_WORK_CTX) { 284 qdf_err("DBR handler context: Invalid context"); 285 return QDF_STATUS_E_INVAL; 286 } 287 288 dbr_psoc_obj = wlan_objmgr_psoc_get_comp_private_obj( 289 psoc, WLAN_TARGET_IF_COMP_DIRECT_BUF_RX); 290 if (!dbr_psoc_obj) { 291 direct_buf_rx_err("dir buf rx psoc object is null"); 292 return QDF_STATUS_E_NULL_VALUE; 293 } 294 295 dbr_psoc_obj->handler_ctx = event_handler_ctx; 296 297 direct_buf_rx_info("DBR handler context: %d", 298 dbr_psoc_obj->handler_ctx); 299 300 return QDF_STATUS_SUCCESS; 301 } 302