| /* |
| * Copyright (c) 2017-2018 The Linux Foundation. All rights reserved. |
| * |
| * Permission to use, copy, modify, and/or distribute this software for |
| * any purpose with or without fee is hereby granted, provided that the |
| * above copyright notice and this permission notice appear in all |
| * copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| * PERFORMANCE OF THIS SOFTWARE. |
| */ |
| |
| /** |
| * DOC: This file contains green ap north bound interface definitions |
| */ |
| #include <wlan_green_ap_api.h> |
| #include <../../core/src/wlan_green_ap_main_i.h> |
| #include <wlan_objmgr_global_obj.h> |
| |
| QDF_STATUS wlan_green_ap_get_capab( |
| struct wlan_objmgr_pdev *pdev) |
| { |
| struct wlan_lmac_if_green_ap_tx_ops *green_ap_tx_ops; |
| struct wlan_pdev_green_ap_ctx *green_ap_ctx; |
| |
| green_ap_ctx = wlan_objmgr_pdev_get_comp_private_obj(pdev, |
| WLAN_UMAC_COMP_GREEN_AP); |
| |
| if (!green_ap_ctx) { |
| green_ap_err("green ap context obtained is NULL"); |
| return QDF_STATUS_E_FAILURE; |
| } |
| |
| |
| green_ap_tx_ops = wlan_psoc_get_green_ap_tx_ops(green_ap_ctx); |
| if (!green_ap_tx_ops) { |
| green_ap_err("green ap tx ops obtained are NULL"); |
| return QDF_STATUS_E_EXISTS; |
| } |
| |
| if (green_ap_tx_ops->get_capab) |
| return green_ap_tx_ops->get_capab(pdev); |
| |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| /** |
| * wlan_green_ap_pdev_obj_create_notification() - called from objmgr when pdev |
| * is created |
| * @pdev: pdev context |
| * @arg: argument |
| * |
| * This function gets called from object manager when pdev is being created and |
| * creates green ap context and attach it to objmgr. |
| * |
| * Return: QDF_STATUS_SUCCESS - in case of success |
| */ |
| static QDF_STATUS wlan_green_ap_pdev_obj_create_notification( |
| struct wlan_objmgr_pdev *pdev, void *arg) |
| { |
| struct wlan_pdev_green_ap_ctx *green_ap_ctx; |
| QDF_STATUS status = QDF_STATUS_SUCCESS; |
| |
| if (!pdev) { |
| green_ap_err("pdev context passed is NULL"); |
| return QDF_STATUS_E_INVAL; |
| } |
| |
| green_ap_ctx = qdf_mem_malloc(sizeof(*green_ap_ctx)); |
| if (!green_ap_ctx) { |
| green_ap_err("Memory allocation for Green AP context failed!"); |
| return QDF_STATUS_E_NOMEM; |
| } |
| |
| green_ap_ctx->ps_state = WLAN_GREEN_AP_PS_IDLE_STATE; |
| green_ap_ctx->ps_event = WLAN_GREEN_AP_PS_WAIT_EVENT; |
| green_ap_ctx->num_nodes = 0; |
| green_ap_ctx->ps_on_time = WLAN_GREEN_AP_PS_ON_TIME * 1000; |
| green_ap_ctx->ps_trans_time = WLAN_GREEN_AP_PS_TRANS_TIME * 1000; |
| |
| green_ap_ctx->pdev = pdev; |
| |
| qdf_timer_init(NULL, &green_ap_ctx->ps_timer, |
| wlan_green_ap_timer_fn, |
| pdev, QDF_TIMER_TYPE_WAKE_APPS); |
| |
| qdf_spinlock_create(&green_ap_ctx->lock); |
| if (wlan_objmgr_pdev_component_obj_attach(pdev, |
| WLAN_UMAC_COMP_GREEN_AP, |
| green_ap_ctx, QDF_STATUS_SUCCESS) |
| != QDF_STATUS_SUCCESS) { |
| green_ap_err("Failed to attach green ap ctx in pdev ctx"); |
| status = QDF_STATUS_E_FAILURE; |
| goto err_pdev_attach; |
| } |
| |
| green_ap_info("Green AP creation successful, green ap ctx: %pK, pdev: %pK", |
| green_ap_ctx, pdev); |
| |
| return QDF_STATUS_SUCCESS; |
| |
| err_pdev_attach: |
| qdf_spinlock_destroy(&green_ap_ctx->lock); |
| qdf_timer_free(&green_ap_ctx->ps_timer); |
| qdf_mem_free(green_ap_ctx); |
| return status; |
| } |
| |
| /** |
| * wlan_green_ap_pdev_obj_destroy_notification() - called from objmgr when |
| * pdev is destroyed |
| * @pdev: pdev context |
| * @arg: argument |
| * |
| * This function gets called from object manager when pdev is being destroyed |
| * and deletes green ap context and detach it from objmgr. |
| * |
| * Return: QDF_STATUS_SUCCESS - in case of success |
| */ |
| static QDF_STATUS wlan_green_ap_pdev_obj_destroy_notification( |
| struct wlan_objmgr_pdev *pdev, void *arg) |
| { |
| struct wlan_pdev_green_ap_ctx *green_ap_ctx; |
| |
| if (!pdev) { |
| green_ap_err("pdev context passed is NULL"); |
| return QDF_STATUS_E_INVAL; |
| } |
| |
| green_ap_ctx = wlan_objmgr_pdev_get_comp_private_obj( |
| pdev, WLAN_UMAC_COMP_GREEN_AP); |
| if (!green_ap_ctx) { |
| green_ap_err("green ap context is already NULL"); |
| return QDF_STATUS_E_FAILURE; |
| } |
| |
| green_ap_info("Deleting green ap pdev obj, green ap ctx: %pK, pdev: %pK", |
| green_ap_ctx, pdev); |
| |
| if (wlan_objmgr_pdev_component_obj_detach(pdev, |
| WLAN_UMAC_COMP_GREEN_AP, green_ap_ctx) != |
| QDF_STATUS_SUCCESS) { |
| green_ap_err("Failed to detach green ap ctx in psoc ctx"); |
| return QDF_STATUS_E_FAILURE; |
| } |
| |
| qdf_timer_free(&green_ap_ctx->ps_timer); |
| qdf_spinlock_destroy(&green_ap_ctx->lock); |
| |
| qdf_mem_free(green_ap_ctx); |
| green_ap_info("green ap deletion successful, pdev: %pK", pdev); |
| |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| QDF_STATUS wlan_green_ap_init(void) |
| { |
| QDF_STATUS status = QDF_STATUS_SUCCESS; |
| |
| status = wlan_objmgr_register_pdev_create_handler( |
| WLAN_UMAC_COMP_GREEN_AP, |
| wlan_green_ap_pdev_obj_create_notification, |
| NULL); |
| if (status != QDF_STATUS_SUCCESS) { |
| green_ap_err("Failed to register green ap obj create handler"); |
| goto err_pdev_create; |
| } |
| |
| status = wlan_objmgr_register_pdev_destroy_handler( |
| WLAN_UMAC_COMP_GREEN_AP, |
| wlan_green_ap_pdev_obj_destroy_notification, |
| NULL); |
| if (status != QDF_STATUS_SUCCESS) { |
| green_ap_err("Failed to register green ap obj destroy handler"); |
| goto err_pdev_delete; |
| } |
| |
| green_ap_info("Successfully registered create and destroy handlers with objmgr"); |
| return QDF_STATUS_SUCCESS; |
| |
| err_pdev_delete: |
| wlan_objmgr_unregister_pdev_create_handler( |
| WLAN_UMAC_COMP_GREEN_AP, |
| wlan_green_ap_pdev_obj_create_notification, |
| NULL); |
| err_pdev_create: |
| return status; |
| } |
| |
| QDF_STATUS wlan_green_ap_deinit(void) |
| { |
| if (wlan_objmgr_unregister_pdev_create_handler( |
| WLAN_UMAC_COMP_GREEN_AP, |
| wlan_green_ap_pdev_obj_create_notification, |
| NULL) |
| != QDF_STATUS_SUCCESS) { |
| return QDF_STATUS_E_FAILURE; |
| } |
| |
| if (wlan_objmgr_unregister_pdev_destroy_handler( |
| WLAN_UMAC_COMP_GREEN_AP, |
| wlan_green_ap_pdev_obj_destroy_notification, |
| NULL) |
| != QDF_STATUS_SUCCESS) { |
| return QDF_STATUS_E_FAILURE; |
| } |
| |
| green_ap_info("Successfully unregistered create and destroy handlers with objmgr"); |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| QDF_STATUS wlan_green_ap_start(struct wlan_objmgr_pdev *pdev) |
| { |
| struct wlan_pdev_green_ap_ctx *green_ap_ctx; |
| |
| if (!pdev) { |
| green_ap_err("pdev context passed is NULL"); |
| return QDF_STATUS_E_INVAL; |
| } |
| |
| green_ap_ctx = wlan_objmgr_pdev_get_comp_private_obj( |
| pdev, WLAN_UMAC_COMP_GREEN_AP); |
| if (!green_ap_ctx) { |
| green_ap_err("green ap context obtained is NULL"); |
| return QDF_STATUS_E_FAILURE; |
| } |
| |
| green_ap_debug("Green AP start received"); |
| |
| /* Make sure the start function does not get called 2 times */ |
| qdf_spin_lock_bh(&green_ap_ctx->lock); |
| |
| if (wlan_is_egap_enabled(green_ap_ctx)) { |
| qdf_spin_unlock_bh(&green_ap_ctx->lock); |
| green_ap_debug("enhanced green ap support is enabled"); |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| if (green_ap_ctx->ps_state == WLAN_GREEN_AP_PS_IDLE_STATE) { |
| if (green_ap_ctx->ps_enable) { |
| qdf_spin_unlock_bh(&green_ap_ctx->lock); |
| return wlan_green_ap_state_mc(green_ap_ctx, |
| WLAN_GREEN_AP_PS_START_EVENT); |
| } |
| } |
| |
| qdf_spin_unlock_bh(&green_ap_ctx->lock); |
| return QDF_STATUS_E_ALREADY; |
| } |
| |
| QDF_STATUS wlan_green_ap_stop(struct wlan_objmgr_pdev *pdev) |
| { |
| struct wlan_pdev_green_ap_ctx *green_ap_ctx; |
| |
| if (!pdev) { |
| green_ap_err("pdev context passed is NULL"); |
| return QDF_STATUS_E_INVAL; |
| } |
| |
| green_ap_ctx = wlan_objmgr_pdev_get_comp_private_obj( |
| pdev, WLAN_UMAC_COMP_GREEN_AP); |
| if (!green_ap_ctx) { |
| green_ap_err("green ap context obtained is NULL"); |
| return QDF_STATUS_E_FAILURE; |
| } |
| |
| green_ap_debug("Green AP stop received"); |
| |
| qdf_spin_lock_bh(&green_ap_ctx->lock); |
| if (wlan_is_egap_enabled(green_ap_ctx)) { |
| qdf_spin_unlock_bh(&green_ap_ctx->lock); |
| green_ap_debug("enhanced green ap support is enabled"); |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| /* Delete the timer just to be sure */ |
| qdf_timer_stop(&green_ap_ctx->ps_timer); |
| |
| /* Disable the power save */ |
| green_ap_ctx->ps_enable = WLAN_GREEN_AP_PS_DISABLE; |
| |
| qdf_spin_unlock_bh(&green_ap_ctx->lock); |
| return wlan_green_ap_state_mc(green_ap_ctx, |
| WLAN_GREEN_AP_PS_STOP_EVENT); |
| } |
| |
| QDF_STATUS wlan_green_ap_add_sta(struct wlan_objmgr_pdev *pdev) |
| { |
| struct wlan_pdev_green_ap_ctx *green_ap_ctx; |
| |
| if (!pdev) { |
| green_ap_err("pdev context passed is NULL"); |
| return QDF_STATUS_E_INVAL; |
| } |
| |
| green_ap_ctx = wlan_objmgr_pdev_get_comp_private_obj( |
| pdev, WLAN_UMAC_COMP_GREEN_AP); |
| if (!green_ap_ctx) { |
| green_ap_err("green ap context obtained is NULL"); |
| return QDF_STATUS_E_FAILURE; |
| } |
| |
| green_ap_debug("Green AP add sta received"); |
| |
| qdf_spin_lock_bh(&green_ap_ctx->lock); |
| if (wlan_is_egap_enabled(green_ap_ctx)) { |
| qdf_spin_unlock_bh(&green_ap_ctx->lock); |
| green_ap_debug("enhanced green ap support is enabled"); |
| return QDF_STATUS_SUCCESS; |
| } |
| qdf_spin_unlock_bh(&green_ap_ctx->lock); |
| |
| return wlan_green_ap_state_mc(green_ap_ctx, |
| WLAN_GREEN_AP_ADD_STA_EVENT); |
| } |
| |
| QDF_STATUS wlan_green_ap_del_sta(struct wlan_objmgr_pdev *pdev) |
| { |
| struct wlan_pdev_green_ap_ctx *green_ap_ctx; |
| |
| if (!pdev) { |
| green_ap_err("pdev context passed is NULL"); |
| return QDF_STATUS_E_INVAL; |
| } |
| |
| green_ap_ctx = wlan_objmgr_pdev_get_comp_private_obj( |
| pdev, WLAN_UMAC_COMP_GREEN_AP); |
| if (!green_ap_ctx) { |
| green_ap_err("green ap context obtained is NULL"); |
| return QDF_STATUS_E_FAILURE; |
| } |
| |
| green_ap_debug("Green AP del sta received"); |
| |
| qdf_spin_lock_bh(&green_ap_ctx->lock); |
| if (wlan_is_egap_enabled(green_ap_ctx)) { |
| qdf_spin_unlock_bh(&green_ap_ctx->lock); |
| green_ap_info("enhanced green ap support is enabled"); |
| return QDF_STATUS_SUCCESS; |
| } |
| qdf_spin_unlock_bh(&green_ap_ctx->lock); |
| |
| return wlan_green_ap_state_mc(green_ap_ctx, |
| WLAN_GREEN_AP_DEL_STA_EVENT); |
| } |
| |
| bool wlan_green_ap_is_ps_enabled(struct wlan_objmgr_pdev *pdev) |
| { |
| struct wlan_pdev_green_ap_ctx *green_ap_ctx; |
| |
| if (!pdev) { |
| green_ap_err("pdev context passed is NULL"); |
| return QDF_STATUS_E_INVAL; |
| } |
| |
| green_ap_ctx = wlan_objmgr_pdev_get_comp_private_obj( |
| pdev, WLAN_UMAC_COMP_GREEN_AP); |
| if (!green_ap_ctx) { |
| green_ap_err("green ap context obtained is NULL"); |
| return QDF_STATUS_E_FAILURE; |
| } |
| |
| if ((green_ap_ctx->ps_state == WLAN_GREEN_AP_PS_ON_STATE) && |
| (green_ap_ctx->ps_enable)) |
| return true; |
| |
| return false; |
| |
| } |
| |
| void wlan_green_ap_suspend_handle(struct wlan_objmgr_pdev *pdev) |
| { |
| struct wlan_pdev_green_ap_ctx *green_ap_ctx; |
| |
| if (!pdev) { |
| green_ap_err("pdev context passed is NULL"); |
| return; |
| } |
| |
| green_ap_ctx = wlan_objmgr_pdev_get_comp_private_obj( |
| pdev, WLAN_UMAC_COMP_GREEN_AP); |
| |
| if (!green_ap_ctx) { |
| green_ap_err("green ap context obtained is NULL"); |
| return; |
| } |
| |
| wlan_green_ap_stop(pdev); |
| |
| green_ap_ctx->ps_enable = WLAN_GREEN_AP_PS_SUSPEND; |
| } |