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梳理了 RTL8852bs wifi 驱动的加载流程. 方便熟悉代码逻辑和超找需要的功能.
我看了所有的代码,但是还是没有找到是哪里设置的AP模式.
rtw_dev_probe() |---> sdio_dvobj_init() |---> devobj_init() |---> atomic_set() |---> sdio_init() |---> sdio_claim_host()/* 3 1. init SDIO bus */ |---> mmc_claim_host() |---> sdio_enable_func() |---> mmc_io_rw_direct() |---> sdio_set_block_size() |---> mmc_io_rw_direct() |---> fail---> sdio_release_host() |---> rtw_reset_continual_io_error() |---> ATOMIC_SET() |---> fail---> devobj_deinit() |---> devobj_trx_resource_init() |---> rtw_init_lite_xmit_resource() |---> _rtw_init_queue() /* init lite_xmit_buf */ /* Init lite xmit extension buff */ /* init xmit_urb */ |---> rtw_zvmalloc() |---> _rtw_init_listhead() |---> rtw_list_insert_tail() |---> rtw_init_lite_recv_resource() |---> _rtw_init_queue() /* init int_in_buf */ /* Init int_in_urb */ |---> rtw_zvmalloc() |---> _rtw_init_listhead() |---> rtw_list_insert_tail() |---> rtw_init_recv_priv() |---> _rtw_init_sema() |---> _rtw_init_queue() |---> rtw_os_recv_resource_init() |---> rtw_zvmalloc() |---> _rtw_init_listhead() |---> rtw_list_insert_tail() |---> rtw_os_recv_resource_alloc() |---> rtw_intf_init_recv_priv() |---> rtw_init_cmd_priv() |---> init_completion() |---> init_completion() |---> INIT_LIST_HEAD() |---> spin_lock_init() |---> rtw_hw_init() |---> rtw_phl_init() |---> _os_mem_alloc() |---> _os_mem_set() |---> phl_regulation_init() |---> _os_spinlock_init() --- 这些都是空函数,不知道有没有影响 |---> phl_regu_policy_init() |---> _os_spinlock(); --- 这些都是空函数,不知道有没有影响 |---> _regu_policy_5g_bp_init() |---> _reset_regu_policy_5g_bp() |---> _update_cntry_prop_5g_bp("CN") |---> _update_cntry_prop_5g_bp("IL") |---> _os_spinunlock(); --- 这些都是空函数,不知道有没有影响 |---> phl_com_init() |---> _os_mem_alloc() |---> phl_sw_cap_init() |---> _os_spinlock_init() |---> phl_chsw_ofld_info_init() |---> phl_fw_init() |---> phl_chaninfo_init() |---> _phl_com_init_rssi_stat() |---> _phl_com_init_ppdu_sts() |---> _os_spinlock_init() |---> phl_txpwr_regu_info_init() |---> phl_hci_init() |---> _os_mem_alloc() |---> phl_set_hci_ops() |---> phl_get_hci_type() |---> phl_hook_trx_ops_pci() |---> or phl_hook_trx_ops_usb() |---> or phl_hook_trx_ops_sdio() |---> _phl_hci_ops_check(); |---> phl_twt_init() |---> _os_mem_alloc() |---> _os_mem_set() |---> pq_init() |---> phl_acs_info_init() |---> _os_mem_alloc() |---> _os_mem_set() |---> rtw_hal_init() |---> _os_mem_alloc() |---> hal_init_io_priv() fail ---> hal_deinit_io_priv() |---> rtw_hal_mac_init() fail ---> rtw_hal_mac_deinit() |---> hal_set_ops() |---> rtw_hal_efuse_init() fail ---> rtw_hal_efuse_deinit() |---> rtw_hal_bb_init() fail ---> rtw_hal_bb_deinit() |---> rtw_hal_rf_init() fail ---> rtw_hal_rf_deinit() |---> rtw_hal_btc_init() fail ---> rtw_hal_btc_deinit() |---> hal_bcn_init() |---> fail ---> _os_mem_free() |---> rtw_hal_hci_cfg() |---> hal_get_ops() |---> rtw_hal_read_chip_info()/* 3 6. read efuse/eeprom data */ |---> hal_get_ops() |---> rtw_hal_var_init() |---> rtw_hal_set_default_var() |---> hal_csi_init() |---> hal_bf_init() |---> hal_snd_obj_init() |---> phl_var_init() |---> return RTW_PHL_STATUS_SUCCESS; -- 空函数,直接返回成功 |---> phl_mr_ctrl_init() |---> rtw_hal_get_halcom() |---> _os_spinlock_init() |---> _phl_band_ctrl_init() |---> _phl_role_bk_module_init() |---> _os_mem_set() |---> pq_init() |---> rtw_phl_mcc_init() |---> phl_module_init() |---> phl_msg_hub_init() ---> phl_msg_hub_deinit() |---> phl_wow_mdl_init() ---> phl_wow_mdl_deinit() |---> phl_pkt_ofld_init() ---> phl_pkt_ofld_deinit() |---> phl_test_module_init() |---> phl_p2pps_init() ---> phl_p2pps_deinit() |---> phl_disp_eng_init() ---> phl_disp_eng_deinit() |---> phl_register_background_module_entry() |---> phl_ecsa_ctrl_init() |---> phl_macid_ctrl_init() |---> rtw_hal_get_halcom() |---> _os_spinlock_init() |---> phl_stainfo_ctrl_init() |---> phl_to_sta_ctrl() |---> _os_mem_alloc() |---> pq_init() |---> _phl_stainfo_init() |---> phl_stainfo_enqueue() |---> fail ---> phl_stainfo_ctrl_deinit() |---> phl_mld_ctrl_init() |---> phl_to_mld_ctrl() |---> _os_mem_alloc() |---> pq_init() |---> _phl_mld_init() |---> phl_mld_enqueue() |---> fail ---> phl_mld_ctrl_deinit() |---> rtw_core_update_default_setting()/*init sw cap from registary*/ |---> GET_PHL_INFO() |---> rtw_phl_log_level_cfg() -- debug 等级 |---> rtw_load_phy_file_path() |---> BW_MODE_2G() |---> BW_MODE_5G() |---> is_supported_5g() |---> is_supported_6g() |---> rtw_max() |---> ch_width_to_bw_cap() |---> rtw_phl_pcie_trx_mit_cfg() -- bs用不上,be用 |---> rtw_phl_led_set_ctrl_mode() |---> rtw_phl_cap_pre_config() /* sw & hw cap*/ |---> rtw_hal_fw_cap_pre_config() |---> rtw_hal_bus_cap_pre_config() |---> _hal_bus_cap_pre_decision() |---> rtw_phl_init_ppdu_sts_para() |---> /* Forced disable PSTS for DATA frame, to avoid unknown performance issue */ |---> rtw_phl_trx_alloc() |---> phl_datapath_init() |---> fail ---> phl_datapath_deinit() |---> rtw_core_set_phl_ops() -- ops 赋值 |---> rx_process = rtw_core_rx_process; |---> tx_recycle = rtw_core_tx_recycle; |---> indicate_wake_rsn = rtw_core_wow_handle_wake_up_rsn; |---> wow_handle_sec_info_update = rtw_update_gtk_ofld_info; |---> set_rf_state = rtw_core_set_ips_state; |---> issue_null_data = rtw_core_issu_null_data; |---> os_query_local_buf = rtw_os_query_local_buf; |---> os_return_local_buf = rtw_os_return_local_buf; |---> tx_power_tbl_loaded = rtw_core_tx_power_tbl_loaded; |---> rtw_core_register_phl_msg() |---> core_handler_phl_msg() |---> rtw_phl_msg_hub_register_recver() |---> rtw_phl_msg_hub_update_recver_mask() |---> rtw_phl_preload() |---> rtw_hal_preload() |---> phl_datapath_reset() |---> rtw_phl_final_cap_decision() |---> rtw_hal_final_cap_decision() |---> rtw_core_register_mr_config() |---> rtw_phl_mr_ops_init() |---> phlcom_to_mr_ctrl |---> rtw_phl_mcc_init_ops |---> rtw_core_register_p2pps_ops() |---> rtw_phl_p2pps_init_ops() |---> phl_to_p2pps_info() |---> rtw_core_set_ecsa_ops() |---> rtw_phl_ecsa_init_ops() |---> rtw_dump_rfe_type() |---> RTW_INFO("RFE Type: %d\n"); |---> rtw_phl_watchdog_init() |---> _os_init_timer() |---> fail ---> rtw_hw_deinit() |---> rtw_sdio_primary_adapter_init() -- 只有bs有，这是sdio的，be不用这个函数 |---> rtw_zvmalloc() |==== dbg_rtw_zvmalloc((sz), MSTAT_TYPE_VIR, __FUNCTION__, __LINE__) |---> rtw_load_registry() // struct registry_priv {} 参数定义在这里 drivers/net/wireless/realtek/rtl8852bs/include/drv_types.h |---> chip_version |---> rfintfs |---> lbkmode |---> network_mode -- 设置模式, 可能和AP有关 |---> _rtw_memcpy -- SSID |---> band |---> channel |---> wireless_mode |---> band_type |---> rtw_init_drv_sw() /* 3 7. init driver common data */ |---> rtw_init_default_value() |---> rtw_init_hal_com_default_value() |---> rtw_init_cmd_priv() fail ---> rtw_free_cmd_priv() |---> rtw_init_evt_priv() fail ---> rtw_free_evt_priv() |---> rtw_init_mlme_priv() |---> init_mlme_ext_priv() fail ---> free_mlme_ext_priv() rtw_free_mlme_priv() |---> _rtw_init_xmit_priv() fail ---> _rtw_free_xmit_priv() |---> _rtw_init_recv_priv() fail ---> _rtw_free_recv_priv() |---> _rtw_init_sta_priv() |---> rtw_init_bcmc_stainfo() |---> rtw_init_pwrctrl_priv() |---> rtw_hal_dm_init() |---> rtw_hw_get_mac_addr() /* get mac addr */ |---> rtw_hw_get_mac_addr() |---> rtw_macaddr_cfg() /* set mac addr */ |---> ether_addr_copy() |---> is_broadcast_ether_addr() |---> is_zero_ether_addr() |---> of_get_property() |---> eth_random_addr() |---> fail ---> rtw_vmfree() |---> rtw_adapter_link_init() |---> init_adapter_link() |---> rtw_zvmalloc() |---> rtw_init_link_default_value() |---> rtw_init_link_mlme_priv() |---> rtw_init_link_mlme_ext_priv() |---> fail ---> rtw_vmfree() |---> fail ---> rtw_adapter_link_deinit() |---> devobj_data_init() |---> dev_set_drv_stopped() /*init*/ |---> ATOMIC_SET(&dvobj->bDriverStopped, _TRUE); |---> dev_clr_hw_start() /* init */ |---> ATOMIC_SET(&dvobj->hw_start, _FALSE); |---> rtw_rfctl_init() /*init data of dvobj*/ |---> dvobj_to_regsty() |---> dvobj_to_rfctl() |---> dvobj_get_primary_adapter() |---> rtw_rfctl_get_band_and_bw_bmp() |---> rtw_rfctl_addl_ch_disable_conf_init() |---> rtw_regd_req_list_init() |---> rtw_rfctl_cis_init() |---> rtw_rfctl_dfs_init() |---> rtw_chset_init() |---> rtw_rfctl_op_class_pref_init() |---> devobj_decide_init_chplan() |---> dvobj_to_rfctl() |---> GET_PHL_COM() |---> rtw_rfctl_decide_init_chplan() /*Use hardware(efuse), driver parameter(registry) and default channel plan * to decide which one should be used.*/ |---> rtw_get_chplan_from_country() |---> rtw_is_channel_plan_6g_valid() |---> dvobj_to_regsty() |---> rtw_get_chplan_worldwide() |---> rtw_chplan_rtk_priv_domain_code_get_country_chplan() |---> rtw_regd_req_list_insert() |---> rtw_rfctl_regd_status_init_by_req() |---> rtw_edcca_mode_update() |---> edcca_mode_5g 赋值 |---> edcca_mode_6g 赋值 |---> rtw_edcca_mode_update_by_regd_reqs() |---> rtw_edcca_hal_update() |---> rtw_rfctl_chset_apply_regulatory() |---> band_to_band_cap() |---> rtw_rfctl_is_excl_chs() |---> rtw_rfctl_chset_apply_regd_reqs() |---> rtw_rfctl_reg_allow_beacon_hint() |---> rtw_chinfo_allow_beacon_hint() |---> op_class_pref_apply_regulatory() |---> RFCTL_REG_EN_11AC() |---> rtw_rfctl_get_reg_max_txpwr_mbm() |---> rtw_get_center_ch_by_band() |---> rtw_get_op_chs_by_bcch_bw() |---> rtw_chset_search_bch() |---> init_channel_list() |---> adapter_to_rfctl() |---> adapter_to_regsty() |---> adapter_to_chset() |---> rtw_chset_search_ch() |---> REGSTY_IS_BW_5G_SUPPORT() |---> rtw_hw_cap_init() |---> GET_HAL_SPEC() |---> GET_PHL_COM() |---> dvobj_get_primary_adapter() |---> rtw_min() |---> RTW_ENABLE_FUNC(DF_RX_BIT) |---> ATOMIC_READ |---> df &= ~(func_bit); |---> ATOMIC_SET |---> RTW_ENABLE_FUNC(DF_TX_BIT) |---> rtw_os_ndevs_init() |---> rtw_os_ndevs_alloc() |---> rtw_cfg80211_dev_res_alloc() |---> rtw_os_ndev_alloc() |---> fail ---> rtw_os_ndev_free() |---> fail ---> rtw_cfg80211_dev_res_free() |---> rtw_os_ndevs_register() |---> dvobj_to_regsty() |---> rtw_cfg80211_dev_res_register() |---> rtw_os_ndev_register() ： wlan0 |---> fail ---> rtw_os_ndev_unregister() |---> fail ---> rtw_os_ndevs_free() |---> rtw_init_link_capab() |---> init_link_capab_from_adapter() |---> GET_LINK() |---> _rtw_memcpy() |---> is_supported_5g() |---> is_supported_6g() |---> rtw_sdio_alloc_irq() |---> dvobj_to_sdio() |---> sdio_claim_host() |---> sdio_claim_irq() |---> sdio_release_host() |---> init_adapter_link() |---> rtw_zvmalloc() |---> adapter_mac_addr() |---> _rtw_memcpy() |---> rtw_init_link_default_value() |---> rtw_init_link_mlme_priv() |---> rtw_init_link_mlme_ext_priv() 