1 /* 2 * Copyright (c) 2017-2019 The Linux Foundation. All rights reserved. 3 * 4 * Permission to use, copy, modify, and/or distribute this software for 5 * any purpose with or without fee is hereby granted, provided that the 6 * above copyright notice and this permission notice appear in all 7 * copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL 10 * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED 11 * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE 12 * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL 13 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR 14 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER 15 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 16 * PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 #include <qdf_status.h> 20 #include <target_if_direct_buf_rx_api.h> 21 #include <wlan_objmgr_cmn.h> 22 #include <wlan_objmgr_global_obj.h> 23 #include <wlan_objmgr_psoc_obj.h> 24 #include <wlan_objmgr_cmn.h> 25 #include "target_if_direct_buf_rx_main.h" 26 #include <qdf_module.h> 27 28 #if defined(WLAN_DEBUGFS) && defined(DIRECT_BUF_RX_DEBUG) 29 /* Base debugfs entry for DBR module */ 30 qdf_dentry_t dbr_debugfs_entry; 31 32 static inline void 33 target_if_direct_buf_rx_debugfs_init(void) 34 { 35 dbr_debugfs_entry = qdf_debugfs_create_dir("dbr_ring_debug", NULL); 36 37 if (!dbr_debugfs_entry) 38 direct_buf_rx_err("error while creating direct_buf rx debugfs dir"); 39 } 40 41 static inline void 42 target_if_direct_buf_rx_debugfs_deinit(void) 43 { 44 if (dbr_debugfs_entry) { 45 qdf_debugfs_remove_dir_recursive(dbr_debugfs_entry); 46 dbr_debugfs_entry = NULL; 47 } 48 } 49 #else 50 static inline void 51 target_if_direct_buf_rx_debugfs_init(void) 52 { 53 } 54 55 static inline void 56 target_if_direct_buf_rx_debugfs_deinit(void) 57 { 58 } 59 #endif /* WLAN_DEBUGFS && DIRECT_BUF_RX_DEBUG */ 60 61 QDF_STATUS direct_buf_rx_init(void) 62 { 63 QDF_STATUS status; 64 65 status = wlan_objmgr_register_psoc_create_handler( 66 WLAN_TARGET_IF_COMP_DIRECT_BUF_RX, 67 target_if_direct_buf_rx_psoc_create_handler, 68 NULL); 69 70 if (QDF_IS_STATUS_ERROR(status)) { 71 direct_buf_rx_err("Failed to register psoc create handler"); 72 return status; 73 } 74 75 status = wlan_objmgr_register_psoc_destroy_handler( 76 WLAN_TARGET_IF_COMP_DIRECT_BUF_RX, 77 target_if_direct_buf_rx_psoc_destroy_handler, 78 NULL); 79 80 if (QDF_IS_STATUS_ERROR(status)) { 81 direct_buf_rx_err("Failed to register psoc destroy handler"); 82 goto dbr_unreg_psoc_create; 83 } 84 85 status = wlan_objmgr_register_pdev_create_handler( 86 WLAN_TARGET_IF_COMP_DIRECT_BUF_RX, 87 target_if_direct_buf_rx_pdev_create_handler, 88 NULL); 89 90 if (QDF_IS_STATUS_ERROR(status)) { 91 direct_buf_rx_err("Failed to register pdev create handler"); 92 goto dbr_unreg_psoc_destroy; 93 } 94 95 status = wlan_objmgr_register_pdev_destroy_handler( 96 WLAN_TARGET_IF_COMP_DIRECT_BUF_RX, 97 target_if_direct_buf_rx_pdev_destroy_handler, 98 NULL); 99 100 if (QDF_IS_STATUS_ERROR(status)) { 101 direct_buf_rx_err("Failed to register pdev destroy handler"); 102 goto dbr_unreg_pdev_create; 103 } 104 105 target_if_direct_buf_rx_debugfs_init(); 106 107 direct_buf_rx_info("Direct Buffer RX pdev,psoc create and destroy handlers registered"); 108 109 return QDF_STATUS_SUCCESS; 110 111 dbr_unreg_pdev_create: 112 status = wlan_objmgr_unregister_pdev_create_handler( 113 WLAN_TARGET_IF_COMP_DIRECT_BUF_RX, 114 target_if_direct_buf_rx_pdev_create_handler, 115 NULL); 116 117 dbr_unreg_psoc_destroy: 118 status = wlan_objmgr_unregister_psoc_destroy_handler( 119 WLAN_TARGET_IF_COMP_DIRECT_BUF_RX, 120 target_if_direct_buf_rx_psoc_destroy_handler, 121 NULL); 122 123 dbr_unreg_psoc_create: 124 status = wlan_objmgr_unregister_psoc_create_handler( 125 WLAN_TARGET_IF_COMP_DIRECT_BUF_RX, 126 target_if_direct_buf_rx_psoc_create_handler, 127 NULL); 128 129 return QDF_STATUS_E_FAILURE; 130 } 131 qdf_export_symbol(direct_buf_rx_init); 132 133 QDF_STATUS direct_buf_rx_deinit(void) 134 { 135 QDF_STATUS status; 136 137 target_if_direct_buf_rx_debugfs_deinit(); 138 139 status = wlan_objmgr_unregister_pdev_destroy_handler( 140 WLAN_TARGET_IF_COMP_DIRECT_BUF_RX, 141 target_if_direct_buf_rx_pdev_destroy_handler, 142 NULL); 143 144 if (QDF_IS_STATUS_ERROR(status)) 145 direct_buf_rx_err("Failed to unregister pdev destroy handler"); 146 147 status = wlan_objmgr_unregister_pdev_create_handler( 148 WLAN_TARGET_IF_COMP_DIRECT_BUF_RX, 149 target_if_direct_buf_rx_pdev_create_handler, 150 NULL); 151 152 if (QDF_IS_STATUS_ERROR(status)) 153 direct_buf_rx_err("Failed to unregister pdev create handler"); 154 155 status = wlan_objmgr_unregister_psoc_destroy_handler( 156 WLAN_TARGET_IF_COMP_DIRECT_BUF_RX, 157 target_if_direct_buf_rx_psoc_destroy_handler, 158 NULL); 159 160 if (QDF_IS_STATUS_ERROR(status)) 161 direct_buf_rx_err("Failed to unregister psoc destroy handler"); 162 163 status = wlan_objmgr_unregister_psoc_create_handler( 164 WLAN_TARGET_IF_COMP_DIRECT_BUF_RX, 165 target_if_direct_buf_rx_psoc_create_handler, 166 NULL); 167 168 if (QDF_IS_STATUS_ERROR(status)) 169 direct_buf_rx_err("Failed to unregister psoc create handler"); 170 171 direct_buf_rx_info("Direct Buffer RX pdev,psoc create and destroy handlers unregistered"); 172 173 return status; 174 } 175 qdf_export_symbol(direct_buf_rx_deinit); 176 177 QDF_STATUS direct_buf_rx_target_attach(struct wlan_objmgr_psoc *psoc, 178 void *hal_soc, qdf_device_t osdev) 179 { 180 struct direct_buf_rx_psoc_obj *dbr_psoc_obj; 181 182 if (!hal_soc || !osdev) { 183 direct_buf_rx_err("hal soc or osdev is null"); 184 return QDF_STATUS_E_INVAL; 185 } 186 187 dbr_psoc_obj = wlan_objmgr_psoc_get_comp_private_obj(psoc, 188 WLAN_TARGET_IF_COMP_DIRECT_BUF_RX); 189 190 direct_buf_rx_info("Dbr psoc obj %pK", dbr_psoc_obj); 191 192 if (!dbr_psoc_obj) { 193 direct_buf_rx_err("dir buf rx psoc obj is null"); 194 return QDF_STATUS_E_FAILURE; 195 } 196 197 dbr_psoc_obj->hal_soc = hal_soc; 198 dbr_psoc_obj->osdev = osdev; 199 200 return QDF_STATUS_SUCCESS; 201 } 202 203 #ifdef DIRECT_BUF_RX_DEBUG 204 static inline void 205 target_if_direct_buf_rx_debug_register_tx_ops( 206 struct wlan_lmac_if_tx_ops *tx_ops) 207 { 208 tx_ops->dbr_tx_ops.direct_buf_rx_start_ring_debug = 209 target_if_dbr_start_ring_debug; 210 tx_ops->dbr_tx_ops.direct_buf_rx_stop_ring_debug = 211 target_if_dbr_stop_ring_debug; 212 tx_ops->dbr_tx_ops.direct_buf_rx_start_buffer_poisoning = 213 target_if_dbr_start_buffer_poisoning; 214 tx_ops->dbr_tx_ops.direct_buf_rx_stop_buffer_poisoning = 215 target_if_dbr_stop_buffer_poisoning; 216 } 217 #else 218 static inline void 219 target_if_direct_buf_rx_debug_register_tx_ops( 220 struct wlan_lmac_if_tx_ops *tx_ops) 221 { 222 } 223 #endif /* DIRECT_BUF_RX_DEBUG */ 224 225 void target_if_direct_buf_rx_register_tx_ops(struct wlan_lmac_if_tx_ops *tx_ops) 226 { 227 tx_ops->dbr_tx_ops.direct_buf_rx_module_register = 228 target_if_direct_buf_rx_module_register; 229 tx_ops->dbr_tx_ops.direct_buf_rx_module_unregister = 230 target_if_direct_buf_rx_module_unregister; 231 tx_ops->dbr_tx_ops.direct_buf_rx_register_events = 232 target_if_direct_buf_rx_register_events; 233 tx_ops->dbr_tx_ops.direct_buf_rx_unregister_events = 234 target_if_direct_buf_rx_unregister_events; 235 tx_ops->dbr_tx_ops.direct_buf_rx_print_ring_stat = 236 target_if_direct_buf_rx_print_ring_stat; 237 tx_ops->dbr_tx_ops.direct_buf_rx_get_ring_params = 238 target_if_direct_buf_rx_get_ring_params; 239 target_if_direct_buf_rx_debug_register_tx_ops(tx_ops); 240 } 241 qdf_export_symbol(target_if_direct_buf_rx_register_tx_ops); 242