1 /* 2 * Copyright (c) 2018-2020 The Linux Foundation. All rights reserved. 3 * 4 * Permission to use, copy, modify, and/or distribute this software for any 5 * purpose with or without fee is hereby granted, provided that the above 6 * copyright notice and this permission notice appear in all copies. 7 * 8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15 */ 16 17 /** 18 * DOC: Implements MLME component object creation/initialization/destroy 19 */ 20 21 #include <wlan_objmgr_cmn.h> 22 #include <wlan_objmgr_global_obj.h> 23 #include <wlan_objmgr_vdev_obj.h> 24 #include <wlan_mlme_dbg.h> 25 #include <include/wlan_mlme_cmn.h> 26 #include <include/wlan_vdev_mlme.h> 27 #include <include/wlan_pdev_mlme.h> 28 #include <vdev_mgr/core/src/vdev_mlme_sm.h> 29 #include <wlan_pdev_mlme_api.h> 30 #include <wlan_vdev_mlme_api.h> 31 #include <wlan_serialization_api.h> 32 #include <wlan_utility.h> 33 #include <cdp_txrx_cmn.h> 34 #include <wlan_lmac_if_def.h> 35 #include <target_if_vdev_mgr_tx_ops.h> 36 37 static QDF_STATUS mlme_vdev_obj_create_handler(struct wlan_objmgr_vdev *vdev, 38 void *arg) 39 { 40 struct vdev_mlme_obj *vdev_mlme; 41 struct wlan_objmgr_pdev *pdev; 42 struct wlan_objmgr_psoc *psoc; 43 struct pdev_mlme_obj *pdev_mlme; 44 struct wlan_lmac_if_mlme_tx_ops *txops; 45 QDF_STATUS status; 46 47 if (!vdev) { 48 mlme_err(" VDEV is NULL"); 49 return QDF_STATUS_E_FAILURE; 50 } 51 52 pdev = wlan_vdev_get_pdev(vdev); 53 if (!pdev) { 54 mlme_err(" PDEV is NULL"); 55 return QDF_STATUS_E_FAILURE; 56 } 57 58 /** 59 * 1st check whether for this vdev any vdev commands are pending for 60 * response. 61 */ 62 psoc = wlan_pdev_get_psoc(pdev); 63 if (!psoc) { 64 mlme_err("PSOC is NULL"); 65 return QDF_STATUS_E_FAILURE; 66 } 67 68 txops = wlan_mlme_get_lmac_tx_ops(psoc); 69 if (!txops || !txops->psoc_vdev_rsp_timer_inuse) { 70 mlme_err("Failed to get mlme txrx_ops PSOC_%d", 71 wlan_psoc_get_id(psoc)); 72 return QDF_STATUS_E_FAILURE; 73 } 74 75 status = txops->psoc_vdev_rsp_timer_inuse(psoc, wlan_vdev_get_id(vdev)); 76 if (QDF_IS_STATUS_ERROR(status)) { 77 mlme_err("The vdev response is pending for VDEV_%d status:%d", 78 wlan_vdev_get_id(vdev), status); 79 return QDF_STATUS_E_FAILURE; 80 } 81 82 pdev_mlme = wlan_pdev_mlme_get_cmpt_obj(pdev); 83 if (!pdev_mlme) { 84 mlme_err("PDEV MLME is NULL"); 85 return QDF_STATUS_E_FAILURE; 86 } 87 88 vdev_mlme = qdf_mem_malloc(sizeof(*vdev_mlme)); 89 if (!vdev_mlme) 90 return QDF_STATUS_E_NOMEM; 91 wlan_minidump_log(vdev_mlme, sizeof(*vdev_mlme), psoc, 92 WLAN_MD_OBJMGR_VDEV_MLME, "vdev_mlme"); 93 94 vdev_mlme->vdev = vdev; 95 96 if (pdev_mlme->mlme_register_ops(vdev_mlme) != QDF_STATUS_SUCCESS) { 97 mlme_err("Callbacks registration is failed"); 98 goto init_failed; 99 } 100 101 if (mlme_vdev_sm_create(vdev_mlme) != QDF_STATUS_SUCCESS) { 102 mlme_err("SME creation failed"); 103 goto init_failed; 104 } 105 106 if (mlme_vdev_ops_ext_hdl_create(vdev_mlme) != 107 QDF_STATUS_SUCCESS) { 108 mlme_err("Legacy vdev object creation failed"); 109 goto ext_hdl_create_failed; 110 } 111 112 wlan_objmgr_vdev_component_obj_attach((struct wlan_objmgr_vdev *)vdev, 113 WLAN_UMAC_COMP_MLME, 114 (void *)vdev_mlme, 115 QDF_STATUS_SUCCESS); 116 117 if (mlme_vdev_ops_ext_hdl_post_create(vdev_mlme) != 118 QDF_STATUS_SUCCESS) { 119 mlme_err("Legacy vdev object post creation failed"); 120 goto ext_hdl_post_create_failed; 121 } 122 123 return QDF_STATUS_SUCCESS; 124 125 ext_hdl_post_create_failed: 126 mlme_vdev_ops_ext_hdl_destroy(vdev_mlme); 127 wlan_objmgr_vdev_component_obj_detach(vdev, WLAN_UMAC_COMP_MLME, 128 vdev_mlme); 129 ext_hdl_create_failed: 130 mlme_vdev_sm_destroy(vdev_mlme); 131 init_failed: 132 wlan_minidump_remove(vdev_mlme); 133 qdf_mem_free(vdev_mlme); 134 return QDF_STATUS_E_FAILURE; 135 } 136 137 static QDF_STATUS mlme_vdev_obj_destroy_handler(struct wlan_objmgr_vdev *vdev, 138 void *arg) 139 { 140 struct vdev_mlme_obj *vdev_mlme; 141 142 if (!vdev) { 143 mlme_err(" VDEV is NULL"); 144 return QDF_STATUS_E_FAILURE; 145 } 146 147 vdev_mlme = wlan_vdev_mlme_get_cmpt_obj(vdev); 148 if (!vdev_mlme) { 149 mlme_info(" VDEV MLME component object is NULL"); 150 return QDF_STATUS_SUCCESS; 151 } 152 153 mlme_vdev_sm_destroy(vdev_mlme); 154 155 mlme_vdev_ops_ext_hdl_destroy(vdev_mlme); 156 157 wlan_objmgr_vdev_component_obj_detach(vdev, WLAN_UMAC_COMP_MLME, 158 vdev_mlme); 159 wlan_minidump_remove(vdev_mlme); 160 qdf_mem_free(vdev_mlme); 161 162 return QDF_STATUS_SUCCESS; 163 } 164 165 static void mlme_scan_serialization_comp_info_cb( 166 struct wlan_objmgr_vdev *vdev, 167 union wlan_serialization_rules_info *comp_info) 168 { 169 struct wlan_objmgr_pdev *pdev; 170 QDF_STATUS status; 171 172 if (!comp_info || !vdev) { 173 mlme_err("comp_info or vdev is NULL"); 174 return; 175 } 176 177 pdev = wlan_vdev_get_pdev(vdev); 178 if (!pdev) { 179 mlme_err("pdev is NULL"); 180 return; 181 } 182 183 comp_info->scan_info.is_mlme_op_in_progress = false; 184 185 status = wlan_util_is_pdev_scan_allowed(pdev, WLAN_MLME_SER_IF_ID); 186 if (status != QDF_STATUS_SUCCESS) 187 comp_info->scan_info.is_mlme_op_in_progress = true; 188 } 189 190 QDF_STATUS wlan_mlme_psoc_enable(struct wlan_objmgr_psoc *psoc) 191 { 192 QDF_STATUS status; 193 struct wlan_lmac_if_mlme_tx_ops *tx_ops; 194 195 status = wlan_serialization_register_comp_info_cb 196 (psoc, 197 WLAN_UMAC_COMP_MLME, 198 WLAN_SER_CMD_SCAN, 199 mlme_scan_serialization_comp_info_cb); 200 if (status != QDF_STATUS_SUCCESS) { 201 mlme_err("Serialize scan cmd register failed"); 202 return status; 203 } 204 205 /* Register for WMI events into target_if rx */ 206 tx_ops = wlan_mlme_get_lmac_tx_ops(psoc); 207 if (tx_ops && tx_ops->vdev_mlme_attach) 208 tx_ops->vdev_mlme_attach(psoc); 209 210 return QDF_STATUS_SUCCESS; 211 } 212 213 QDF_STATUS wlan_mlme_psoc_disable(struct wlan_objmgr_psoc *psoc) 214 { 215 QDF_STATUS status; 216 struct wlan_lmac_if_mlme_tx_ops *tx_ops; 217 218 status = wlan_serialization_deregister_comp_info_cb 219 (psoc, 220 WLAN_UMAC_COMP_MLME, 221 WLAN_SER_CMD_SCAN); 222 if (status != QDF_STATUS_SUCCESS) { 223 mlme_err("Serialize scan cmd deregister failed"); 224 return status; 225 } 226 227 /* Unregister WMI events */ 228 tx_ops = wlan_mlme_get_lmac_tx_ops(psoc); 229 if (tx_ops && tx_ops->vdev_mlme_detach) 230 tx_ops->vdev_mlme_detach(psoc); 231 232 return QDF_STATUS_SUCCESS; 233 } 234 235 QDF_STATUS wlan_vdev_mlme_init(void) 236 { 237 if (wlan_objmgr_register_vdev_create_handler 238 (WLAN_UMAC_COMP_MLME, 239 mlme_vdev_obj_create_handler, NULL) 240 != QDF_STATUS_SUCCESS) 241 return QDF_STATUS_E_FAILURE; 242 243 if (wlan_objmgr_register_vdev_destroy_handler 244 (WLAN_UMAC_COMP_MLME, 245 mlme_vdev_obj_destroy_handler, NULL) 246 != QDF_STATUS_SUCCESS) { 247 if (wlan_objmgr_unregister_vdev_create_handler 248 (WLAN_UMAC_COMP_MLME, 249 mlme_vdev_obj_create_handler, NULL) 250 != QDF_STATUS_SUCCESS) 251 return QDF_STATUS_E_FAILURE; 252 253 return QDF_STATUS_E_FAILURE; 254 } 255 256 return QDF_STATUS_SUCCESS; 257 } 258 259 QDF_STATUS wlan_vdev_mlme_deinit(void) 260 { 261 if (wlan_objmgr_unregister_vdev_create_handler 262 (WLAN_UMAC_COMP_MLME, 263 mlme_vdev_obj_create_handler, NULL) 264 != QDF_STATUS_SUCCESS) 265 return QDF_STATUS_E_FAILURE; 266 267 if (wlan_objmgr_unregister_vdev_destroy_handler 268 (WLAN_UMAC_COMP_MLME, 269 mlme_vdev_obj_destroy_handler, NULL) 270 != QDF_STATUS_SUCCESS) 271 return QDF_STATUS_E_FAILURE; 272 273 return QDF_STATUS_SUCCESS; 274 } 275