| /* |
| * Copyright (c) 2016-2020 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 init/deint functions for DFS module. |
| */ |
| |
| #include "wlan_dfs_ucfg_api.h" |
| #include "wlan_dfs_tgt_api.h" |
| #include <wlan_objmgr_vdev_obj.h> |
| #include "wlan_dfs_utils_api.h" |
| #ifndef QCA_MCL_DFS_SUPPORT |
| #include "ieee80211_mlme_dfs_interface.h" |
| #endif |
| #include "wlan_objmgr_global_obj.h" |
| #include "wlan_dfs_init_deinit_api.h" |
| #include "wlan_dfs_lmac_api.h" |
| #include "../../core/src/dfs.h" |
| #include "a_types.h" |
| #include "wlan_serialization_api.h" |
| #include <qdf_trace.h> |
| #include "wlan_scan_ucfg_api.h" |
| #include "wlan_dfs_mlme_api.h" |
| #include "../../core/src/dfs_zero_cac.h" |
| |
| struct dfs_to_mlme global_dfs_to_mlme; |
| |
| struct wlan_dfs *wlan_pdev_get_dfs_obj(struct wlan_objmgr_pdev *pdev) |
| { |
| struct wlan_dfs *dfs; |
| dfs = wlan_objmgr_pdev_get_comp_private_obj(pdev, |
| WLAN_UMAC_COMP_DFS); |
| |
| return dfs; |
| } |
| |
| /* |
| * register_dfs_precac_auto_chan_callbacks_freq() - Register auto chan switch |
| * frequency based APIs callback. |
| * @mlme_callback: Pointer to dfs_to_mlme. |
| */ |
| #ifndef QCA_MCL_DFS_SUPPORT |
| #if defined(WLAN_DFS_PRECAC_AUTO_CHAN_SUPPORT) && defined(CONFIG_CHAN_FREQ_API) |
| static inline void |
| register_dfs_precac_auto_chan_callbacks_freq(struct dfs_to_mlme *mlme_callback) |
| { |
| if (!mlme_callback) |
| return; |
| |
| mlme_callback->mlme_precac_chan_change_csa_for_freq = |
| mlme_dfs_precac_chan_change_csa_for_freq; |
| } |
| #else |
| static inline void |
| register_dfs_precac_auto_chan_callbacks_freq(struct dfs_to_mlme *mlme_callback) |
| { |
| } |
| #endif |
| #endif |
| |
| /* |
| * register_dfs_callbacks_for_freq() - Register dfs callbacks. |
| * @mlme_callback: Pointer to dfs_to_mlme. |
| */ |
| #ifndef QCA_MCL_DFS_SUPPORT |
| #ifdef CONFIG_CHAN_FREQ_API |
| static inline void |
| register_dfs_callbacks_for_freq(struct dfs_to_mlme *mlme_callback) |
| { |
| if (!mlme_callback) |
| return; |
| |
| mlme_callback->mlme_mark_dfs_for_freq = mlme_dfs_mark_dfs_for_freq; |
| mlme_callback->mlme_find_dot11_chan_for_freq = |
| mlme_dfs_find_dot11_chan_for_freq; |
| mlme_callback->mlme_get_dfs_channels_for_freq = |
| mlme_dfs_get_dfs_channels_for_freq; |
| mlme_callback->mlme_get_cac_timeout_for_freq = |
| mlme_dfs_get_cac_timeout_for_freq; |
| mlme_callback->mlme_get_extchan_for_freq = |
| mlme_dfs_get_extchan_for_freq; |
| mlme_callback->mlme_start_csa_for_freq = mlme_dfs_start_csa_for_freq; |
| } |
| #endif |
| #endif |
| |
| #ifndef QCA_MCL_DFS_SUPPORT |
| void register_dfs_callbacks(void) |
| { |
| struct dfs_to_mlme *tmp_dfs_to_mlme = &global_dfs_to_mlme; |
| |
| tmp_dfs_to_mlme->pdev_component_obj_attach = |
| wlan_objmgr_pdev_component_obj_attach; |
| tmp_dfs_to_mlme->pdev_component_obj_detach = |
| wlan_objmgr_pdev_component_obj_detach; |
| |
| tmp_dfs_to_mlme->dfs_start_rcsa = mlme_dfs_start_rcsa; |
| tmp_dfs_to_mlme->mlme_proc_cac = mlme_dfs_proc_cac; |
| tmp_dfs_to_mlme->mlme_deliver_event_up_after_cac = |
| mlme_dfs_deliver_event_up_after_cac; |
| tmp_dfs_to_mlme->mlme_get_dfs_ch_nchans = mlme_dfs_get_dfs_ch_nchans; |
| tmp_dfs_to_mlme->mlme_set_no_chans_available = |
| mlme_dfs_set_no_chans_available; |
| tmp_dfs_to_mlme->mlme_ieee2mhz = mlme_dfs_ieee2mhz; |
| tmp_dfs_to_mlme->mlme_dfs_ch_flags_ext = mlme_dfs_dfs_ch_flags_ext; |
| tmp_dfs_to_mlme->mlme_channel_change_by_precac = |
| mlme_dfs_channel_change_by_precac; |
| tmp_dfs_to_mlme->mlme_nol_timeout_notification = |
| mlme_dfs_nol_timeout_notification; |
| tmp_dfs_to_mlme->mlme_clist_update = mlme_dfs_clist_update; |
| tmp_dfs_to_mlme->mlme_rebuild_chan_list_with_non_dfs_channels = |
| mlme_dfs_rebuild_chan_list_with_non_dfs_channels; |
| tmp_dfs_to_mlme->mlme_restart_vaps_with_non_dfs_chan = |
| mlme_dfs_restart_vaps_with_non_dfs_chan; |
| tmp_dfs_to_mlme->mlme_is_opmode_sta = |
| mlme_dfs_is_opmode_sta; |
| tmp_dfs_to_mlme->mlme_check_allowed_prim_chanlist = |
| mlme_dfs_check_allowed_prim_chanlist; |
| tmp_dfs_to_mlme->mlme_update_scan_channel_list = |
| mlme_dfs_update_scan_channel_list; |
| tmp_dfs_to_mlme->mlme_bringdown_vaps = |
| mlme_dfs_bringdown_vaps; |
| tmp_dfs_to_mlme->mlme_dfs_deliver_event = |
| mlme_dfs_deliver_event; |
| |
| tmp_dfs_to_mlme->mlme_acquire_radar_mode_switch_lock = |
| mlme_acquire_radar_mode_switch_lock; |
| tmp_dfs_to_mlme->mlme_release_radar_mode_switch_lock = |
| mlme_release_radar_mode_switch_lock; |
| /* |
| * Register precac auto channel switch feature related callbacks |
| */ |
| register_dfs_precac_auto_chan_callbacks_freq(tmp_dfs_to_mlme); |
| /* Register freq based callbacks */ |
| register_dfs_callbacks_for_freq(tmp_dfs_to_mlme); |
| } |
| #else |
| void register_dfs_callbacks(void) |
| { |
| struct dfs_to_mlme *tmp_dfs_to_mlme = &global_dfs_to_mlme; |
| |
| tmp_dfs_to_mlme->pdev_component_obj_attach = |
| wlan_objmgr_pdev_component_obj_attach; |
| tmp_dfs_to_mlme->pdev_component_obj_detach = |
| wlan_objmgr_pdev_component_obj_detach; |
| } |
| #endif |
| |
| /** |
| * dfs_psoc_obj_create_notification() - dfs psoc create notification handler |
| * @psoc: psoc object |
| * @arg_list: Argument list |
| * |
| * Return: QDF_STATUS |
| */ |
| static QDF_STATUS dfs_psoc_obj_create_notification(struct wlan_objmgr_psoc *psoc, |
| void *arg_list) |
| { |
| QDF_STATUS status; |
| struct dfs_soc_priv_obj *dfs_soc_obj; |
| |
| dfs_soc_obj = qdf_mem_malloc(sizeof(*dfs_soc_obj)); |
| if (!dfs_soc_obj) |
| return QDF_STATUS_E_NOMEM; |
| |
| dfs_soc_obj->psoc = psoc; |
| |
| status = wlan_objmgr_psoc_component_obj_attach(psoc, |
| WLAN_UMAC_COMP_DFS, |
| (void *)dfs_soc_obj, |
| QDF_STATUS_SUCCESS); |
| |
| if (QDF_IS_STATUS_ERROR(status)) { |
| dfs_err(NULL, WLAN_DEBUG_DFS_ALWAYS, |
| "Failed to attach psoc dfs component"); |
| qdf_mem_free(dfs_soc_obj); |
| return status; |
| } |
| /* Initialize precac timer here*/ |
| dfs_zero_cac_timer_init(dfs_soc_obj); |
| |
| dfs_debug(NULL, WLAN_DEBUG_DFS1, |
| "DFS obj attach to psoc successfully"); |
| |
| return status; |
| } |
| |
| /** |
| * dfs_psoc_obj_destroy_notification() - dfs psoc destroy notification handler |
| * @psoc: psoc object |
| * @arg_list: Argument list |
| * |
| * Return: QDF_STATUS |
| */ |
| static QDF_STATUS dfs_psoc_obj_destroy_notification(struct wlan_objmgr_psoc *psoc, |
| void *arg_list) |
| { |
| QDF_STATUS status; |
| struct dfs_soc_priv_obj *dfs_soc_obj; |
| |
| dfs_soc_obj = wlan_objmgr_psoc_get_comp_private_obj(psoc, |
| WLAN_UMAC_COMP_DFS); |
| if (!dfs_soc_obj) { |
| dfs_err(NULL, WLAN_DEBUG_DFS_ALWAYS, |
| "Failed to get dfs obj in psoc"); |
| return QDF_STATUS_E_FAILURE; |
| } |
| |
| dfs_zero_cac_timer_detach(dfs_soc_obj); |
| |
| status = wlan_objmgr_psoc_component_obj_detach(psoc, |
| WLAN_UMAC_COMP_DFS, |
| dfs_soc_obj); |
| |
| if (QDF_IS_STATUS_ERROR(status)) |
| dfs_err(NULL, WLAN_DEBUG_DFS_ALWAYS, |
| "Failed to detach psoc dfs component"); |
| |
| qdf_mem_free(dfs_soc_obj); |
| |
| return status; |
| } |
| |
| QDF_STATUS dfs_init(void) |
| { |
| QDF_STATUS status; |
| |
| status = wlan_objmgr_register_psoc_create_handler(WLAN_UMAC_COMP_DFS, |
| dfs_psoc_obj_create_notification, |
| NULL); |
| |
| if (QDF_IS_STATUS_ERROR(status)) { |
| dfs_err(NULL, WLAN_DEBUG_DFS_ALWAYS, |
| "Failed to register psoc create handler for dfs"); |
| goto err_psoc_create; |
| } |
| |
| status = wlan_objmgr_register_psoc_destroy_handler(WLAN_UMAC_COMP_DFS, |
| dfs_psoc_obj_destroy_notification, |
| NULL); |
| |
| if (QDF_IS_STATUS_ERROR(status)) { |
| dfs_err(NULL, WLAN_DEBUG_DFS_ALWAYS, |
| "Failed to register psoc delete handler for dfs"); |
| goto err_psoc_delete; |
| } |
| |
| register_dfs_callbacks(); |
| |
| status = wlan_objmgr_register_pdev_create_handler(WLAN_UMAC_COMP_DFS, |
| wlan_dfs_pdev_obj_create_notification, |
| NULL); |
| |
| if (QDF_IS_STATUS_ERROR(status)) { |
| dfs_err(NULL, WLAN_DEBUG_DFS_ALWAYS, |
| "Failed to register pdev create handler for dfs"); |
| goto err_pdev_create; |
| } |
| |
| status = wlan_objmgr_register_pdev_destroy_handler(WLAN_UMAC_COMP_DFS, |
| wlan_dfs_pdev_obj_destroy_notification, |
| NULL); |
| |
| if (QDF_IS_STATUS_ERROR(status)) { |
| dfs_err(NULL, WLAN_DEBUG_DFS_ALWAYS, |
| "Failed to register pdev delete handler for dfs"); |
| goto err_pdev_delete; |
| } |
| |
| status = qdf_print_set_category_verbose(qdf_get_pidx(), |
| QDF_MODULE_ID_DFS, QDF_TRACE_LEVEL_INFO, true); |
| |
| if (QDF_IS_STATUS_ERROR(status)) { |
| dfs_err(NULL, WLAN_DEBUG_DFS_ALWAYS, |
| "Failed to set verbose for category"); |
| goto err_category_verbose; |
| } |
| |
| return QDF_STATUS_SUCCESS; |
| |
| err_category_verbose: |
| wlan_objmgr_unregister_pdev_destroy_handler(WLAN_UMAC_COMP_DFS, |
| wlan_dfs_pdev_obj_destroy_notification, |
| NULL); |
| err_pdev_delete: |
| wlan_objmgr_unregister_pdev_create_handler(WLAN_UMAC_COMP_DFS, |
| wlan_dfs_pdev_obj_create_notification, |
| NULL); |
| err_pdev_create: |
| wlan_objmgr_unregister_psoc_destroy_handler(WLAN_UMAC_COMP_DFS, |
| dfs_psoc_obj_destroy_notification, |
| NULL); |
| err_psoc_delete: |
| wlan_objmgr_unregister_psoc_create_handler(WLAN_UMAC_COMP_DFS, |
| dfs_psoc_obj_create_notification, |
| NULL); |
| err_psoc_create: |
| return status; |
| } |
| |
| QDF_STATUS dfs_deinit(void) |
| { |
| QDF_STATUS status; |
| |
| status = wlan_objmgr_unregister_psoc_create_handler(WLAN_UMAC_COMP_DFS, |
| dfs_psoc_obj_create_notification, |
| NULL); |
| |
| if (QDF_IS_STATUS_ERROR(status)) |
| dfs_err(NULL, WLAN_DEBUG_DFS_ALWAYS, |
| "Failed to deregister dfs psoc obj create"); |
| |
| status = wlan_objmgr_unregister_psoc_destroy_handler(WLAN_UMAC_COMP_DFS, |
| dfs_psoc_obj_destroy_notification, |
| NULL); |
| |
| if (QDF_IS_STATUS_ERROR(status)) |
| dfs_err(NULL, WLAN_DEBUG_DFS_ALWAYS, |
| "Failed to deregister dfs psoc obj destroy"); |
| |
| status = wlan_objmgr_unregister_pdev_create_handler(WLAN_UMAC_COMP_DFS, |
| wlan_dfs_pdev_obj_create_notification, |
| NULL); |
| |
| if (QDF_IS_STATUS_ERROR(status)) |
| dfs_err(NULL, WLAN_DEBUG_DFS_ALWAYS, |
| "Failed to deregister dfs pdev obj create"); |
| |
| status = wlan_objmgr_unregister_pdev_destroy_handler(WLAN_UMAC_COMP_DFS, |
| wlan_dfs_pdev_obj_destroy_notification, |
| NULL); |
| |
| if (QDF_IS_STATUS_ERROR(status)) |
| dfs_err(NULL, WLAN_DEBUG_DFS_ALWAYS, |
| "Failed to deregister dfs pdev obj destroy"); |
| |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| QDF_STATUS wlan_dfs_pdev_obj_create_notification(struct wlan_objmgr_pdev *pdev, |
| void *arg) |
| { |
| struct wlan_dfs *dfs = NULL; |
| struct wlan_objmgr_psoc *psoc; |
| struct wlan_lmac_if_dfs_tx_ops *dfs_tx_ops; |
| uint8_t pdev_id; |
| QDF_STATUS status; |
| bool is_5ghz = false; |
| |
| if (!pdev) { |
| dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS, "null pdev"); |
| return QDF_STATUS_E_FAILURE; |
| } |
| |
| psoc = wlan_pdev_get_psoc(pdev); |
| if (!psoc) { |
| dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS, "null psoc"); |
| return QDF_STATUS_E_FAILURE; |
| } |
| |
| dfs_tx_ops = wlan_psoc_get_dfs_txops(psoc); |
| if (!(dfs_tx_ops && dfs_tx_ops->dfs_is_pdev_5ghz)) { |
| dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS, "dfs_tx_ops is null"); |
| return QDF_STATUS_E_FAILURE; |
| } |
| |
| status = dfs_tx_ops->dfs_is_pdev_5ghz(pdev, &is_5ghz); |
| if (QDF_IS_STATUS_ERROR(status)) { |
| dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS, "Failed to get is_5ghz value"); |
| return QDF_STATUS_E_FAILURE; |
| } |
| |
| if (!is_5ghz) { |
| pdev_id = wlan_objmgr_pdev_get_pdev_id(pdev); |
| dfs_info(dfs, WLAN_DEBUG_DFS_ALWAYS, |
| "Do not allocate DFS object for 2G, pdev_id = %d", |
| pdev_id); |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| if (dfs_create_object(&dfs) == 1) { |
| dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS, "failed to create object"); |
| return QDF_STATUS_E_FAILURE; |
| } |
| |
| status = global_dfs_to_mlme.pdev_component_obj_attach(pdev, |
| WLAN_UMAC_COMP_DFS, (void *)dfs, QDF_STATUS_SUCCESS); |
| if (QDF_IS_STATUS_ERROR(status)) { |
| dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS, "obj attach failed"); |
| dfs_destroy_object(dfs); |
| return QDF_STATUS_E_FAILURE; |
| } |
| |
| dfs->dfs_pdev_obj = pdev; |
| |
| if (!dfs_tx_ops->dfs_is_tgt_offload) { |
| dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS, |
| "dfs_is_tgt_offload is null"); |
| dfs_destroy_object(dfs); |
| return QDF_STATUS_E_FAILURE; |
| } |
| |
| dfs->dfs_is_offload_enabled = dfs_tx_ops->dfs_is_tgt_offload(psoc); |
| dfs_info(dfs, WLAN_DEBUG_DFS_ALWAYS, "dfs_offload %d", |
| dfs->dfs_is_offload_enabled); |
| dfs_agile_soc_obj_init(dfs, psoc); |
| |
| if (dfs_attach(dfs) == 1) { |
| dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS, "dfs_attch failed"); |
| dfs_destroy_object(dfs); |
| return QDF_STATUS_E_FAILURE; |
| } |
| |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| QDF_STATUS wlan_dfs_pdev_obj_destroy_notification(struct wlan_objmgr_pdev *pdev, |
| void *arg) |
| { |
| struct wlan_dfs *dfs = NULL; |
| |
| if (!pdev) { |
| dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS, "PDEV is NULL"); |
| return QDF_STATUS_E_FAILURE; |
| } |
| |
| dfs = wlan_pdev_get_dfs_obj(pdev); |
| |
| /* DFS is NULL during unload. should we call this function before */ |
| if (dfs) { |
| global_dfs_to_mlme.pdev_component_obj_detach(pdev, |
| WLAN_UMAC_COMP_DFS, |
| (void *)dfs); |
| |
| dfs_detach(dfs); |
| dfs->dfs_pdev_obj = NULL; |
| dfs_destroy_object(dfs); |
| } |
| |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| static void dfs_scan_serialization_comp_info_cb( |
| struct wlan_objmgr_vdev *vdev, |
| union wlan_serialization_rules_info *comp_info) |
| { |
| struct wlan_dfs *dfs = NULL; |
| struct wlan_objmgr_pdev *pdev; |
| |
| if (!comp_info) { |
| dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS, "comp_info is NULL"); |
| return; |
| } |
| |
| if (!vdev) { |
| dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS, "vdev is NULL"); |
| return; |
| } |
| |
| pdev = wlan_vdev_get_pdev(vdev); |
| if (!pdev) { |
| dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS, "pdev is NULL"); |
| return; |
| } |
| |
| comp_info->scan_info.is_cac_in_progress = false; |
| |
| if (!tgt_dfs_is_pdev_5ghz(pdev)) |
| return; |
| |
| dfs = wlan_pdev_get_dfs_obj(pdev); |
| if (!dfs) { |
| dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS, "dfs is NULL"); |
| return; |
| } |
| |
| if (dfs_is_ap_cac_timer_running(dfs)) |
| comp_info->scan_info.is_cac_in_progress = true; |
| } |
| |
| QDF_STATUS wifi_dfs_psoc_enable(struct wlan_objmgr_psoc *psoc) |
| { |
| QDF_STATUS status; |
| |
| status = tgt_dfs_reg_ev_handler(psoc); |
| if (status != QDF_STATUS_SUCCESS) { |
| dfs_err(NULL, WLAN_DEBUG_DFS_ALWAYS, "tgt_dfs_reg_ev_handler failed"); |
| return QDF_STATUS_E_FAILURE; |
| } |
| |
| status = wlan_serialization_register_comp_info_cb(psoc, |
| WLAN_UMAC_COMP_DFS, |
| WLAN_SER_CMD_SCAN, |
| dfs_scan_serialization_comp_info_cb); |
| if (status != QDF_STATUS_SUCCESS) { |
| dfs_err(NULL, WLAN_DEBUG_DFS_ALWAYS, "Serialize scan cmd register failed"); |
| return status; |
| } |
| |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| QDF_STATUS wifi_dfs_psoc_disable(struct wlan_objmgr_psoc *psoc) |
| { |
| QDF_STATUS status; |
| |
| status = wlan_serialization_deregister_comp_info_cb(psoc, |
| WLAN_UMAC_COMP_DFS, |
| WLAN_SER_CMD_SCAN); |
| if (status != QDF_STATUS_SUCCESS) { |
| dfs_err(NULL, WLAN_DEBUG_DFS_ALWAYS, "Serialize scan cmd deregister failed"); |
| return status; |
| } |
| |
| return QDF_STATUS_SUCCESS; |
| } |