mirror of
https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git
synced 2026-10-12 07:37:31 -04:00
qcacld-3.0: Move module init related implementation together
Move module init/exit related implementation together and at the end of the file. Change-Id: I17a02e4fdddc17fc3a725c29e89a52f5bd9d49b9 CRs-fixed: 950170
This commit is contained in:
Prashanth Bhatta
Satish Singh
parent
0413ba4ab1
commit
edd6ca2e39
1 changed files with 511 additions and 511 deletions
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@ -5555,340 +5555,6 @@ success:
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return 0;
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}
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/*
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* In BMI Phase we are only sending small chunk (256 bytes) of the FW image at
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* a time, and wait for the completion interrupt to start the next transfer.
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* During this phase, the KRAIT is entering IDLE/StandAlone(SA) Power Save(PS).
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* The delay incurred for resuming from IDLE/SA PS is huge during driver load.
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* So prevent APPS IDLE/SA PS durint driver load for reducing interrupt latency.
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*/
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#ifdef CONFIG_CNSS
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static inline void hdd_request_pm_qos(int val)
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{
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cnss_request_pm_qos(val);
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}
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static inline void hdd_remove_pm_qos(void)
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{
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cnss_remove_pm_qos();
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}
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#else
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static inline void hdd_request_pm_qos(int val)
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{
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}
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static inline void hdd_remove_pm_qos(void)
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{
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}
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#endif
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/**
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* hdd_driver_init() - Core Driver Init Function
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*
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* This is the driver entry point - called in different timeline depending
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* on whether the driver is statically or dynamically linked
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*
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* Return: 0 for success, non zero for failure
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*/
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static int hdd_driver_init(void)
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{
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CDF_STATUS status;
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v_CONTEXT_t p_cds_context = NULL;
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int ret_status = 0;
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unsigned long rc;
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#ifdef WLAN_LOGGING_SOCK_SVC_ENABLE
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wlan_logging_sock_init_svc();
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#endif
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ENTER();
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cdf_wake_lock_init(&wlan_wake_lock, "wlan");
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hdd_prevent_suspend(WIFI_POWER_EVENT_WAKELOCK_DRIVER_INIT);
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/*
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* The Krait is going to Idle/Stand Alone Power Save
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* more aggressively which is resulting in the longer driver load time.
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* The Fix is to not allow Krait to enter Idle Power Save during driver
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* load.
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*/
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hdd_request_pm_qos(DISABLE_KRAIT_IDLE_PS_VAL);
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cds_ssr_protect_init();
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pr_info("%s: loading driver v%s\n", WLAN_MODULE_NAME,
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QWLAN_VERSIONSTR TIMER_MANAGER_STR MEMORY_DEBUG_STR);
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do {
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cdf_mc_timer_manager_init();
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cdf_mem_init();
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/* Allocate CDS global context */
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status = cds_alloc_global_context(&p_cds_context);
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if (!CDF_IS_STATUS_SUCCESS(status)) {
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hddLog(CDF_TRACE_LEVEL_FATAL,
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FL("Failed to preOpen CDS"));
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ret_status = -1;
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break;
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}
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hdd_trace_init();
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#ifndef MODULE
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/*
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* For statically linked driver, call hdd_set_conparam to update
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* curr_con_mode
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*/
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hdd_set_conparam((uint32_t) con_mode);
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#endif
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#ifdef QCA_WIFI_3_0_ADRASTEA
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#define HDD_WLAN_START_WAIT_TIME (3600 * 1000)
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#else
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#define HDD_WLAN_START_WAIT_TIME (CDS_WMA_TIMEOUT + 5000)
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#endif
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init_completion(&wlan_start_comp);
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ret_status = wlan_hdd_register_driver();
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if (!ret_status) {
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rc = wait_for_completion_timeout(
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&wlan_start_comp,
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msecs_to_jiffies(HDD_WLAN_START_WAIT_TIME));
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if (!rc) {
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hddLog(LOGP,
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FL("timed-out waiting for wlan_hdd_register_driver"));
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ret_status = -1;
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} else
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ret_status = 0;
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}
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hdd_remove_pm_qos();
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hdd_allow_suspend(WIFI_POWER_EVENT_WAKELOCK_DRIVER_INIT);
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if (ret_status) {
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hddLog(LOGP, FL("WLAN Driver Initialization failed"));
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wlan_hdd_unregister_driver();
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cds_free_global_context(&p_cds_context);
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ret_status = -ENODEV;
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break;
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} else {
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pr_info("%s: driver loaded\n", WLAN_MODULE_NAME);
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memdump_init();
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return 0;
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}
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} while (0);
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if (0 != ret_status) {
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cdf_mc_timer_exit();
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cdf_mem_exit();
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cdf_wake_lock_destroy(&wlan_wake_lock);
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#ifdef WLAN_LOGGING_SOCK_SVC_ENABLE
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wlan_logging_sock_deinit_svc();
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#endif
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memdump_deinit();
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pr_err("%s: driver load failure\n", WLAN_MODULE_NAME);
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} else {
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pr_info("%s: driver loaded\n", WLAN_MODULE_NAME);
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}
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EXIT();
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return ret_status;
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}
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/**
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* hdd_module_init() - Init Function
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*
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* This is the driver entry point (invoked when module is loaded using insmod)
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*
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* Return: 0 for success, non zero for failure
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*/
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#ifdef MODULE
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static int __init hdd_module_init(void)
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{
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return hdd_driver_init();
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}
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#else /* #ifdef MODULE */
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static int __init hdd_module_init(void)
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{
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/* Driver initialization is delayed to fwpath_changed_handler */
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return 0;
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}
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#endif /* #ifdef MODULE */
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/**
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* hdd_driver_exit() - Exit function
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*
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* This is the driver exit point (invoked when module is unloaded using rmmod
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* or con_mode was changed by userspace)
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*
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* Return: None
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*/
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static void hdd_driver_exit(void)
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{
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hdd_context_t *hdd_ctx = NULL;
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int retry = 0;
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pr_info("%s: unloading driver v%s\n", WLAN_MODULE_NAME,
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QWLAN_VERSIONSTR);
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hdd_ctx = cds_get_context(CDF_MODULE_ID_HDD);
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if (!hdd_ctx) {
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hddLog(CDF_TRACE_LEVEL_FATAL,
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FL("module exit called before probe"));
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} else {
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/* Check IPA HW Pipe shutdown */
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hdd_ipa_uc_force_pipe_shutdown(hdd_ctx);
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#ifdef QCA_PKT_PROTO_TRACE
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cds_pkt_proto_trace_close();
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#endif /* QCA_PKT_PROTO_TRACE */
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while (hdd_ctx->isLogpInProgress ||
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cds_is_logp_in_progress()) {
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hddLog(CDF_TRACE_LEVEL_FATAL,
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FL(
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"SSR in Progress; block rmmod for 1 second!!!"
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));
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msleep(1000);
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if (retry++ == HDD_MOD_EXIT_SSR_MAX_RETRIES) {
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hddLog(CDF_TRACE_LEVEL_FATAL,
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FL("SSR never completed, fatal error"));
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CDF_BUG(0);
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}
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}
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rtnl_lock();
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hdd_ctx->isUnloadInProgress = true;
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cds_set_load_unload_in_progress(true);
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rtnl_unlock();
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}
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cds_wait_for_work_thread_completion(__func__);
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memdump_deinit();
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wlan_hdd_unregister_driver();
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return;
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}
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/**
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* hdd_module_exit() - Exit function
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*
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* This is the driver exit point (invoked when module is unloaded using rmmod)
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*
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* Return: None
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*/
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static void __exit hdd_module_exit(void)
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{
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hdd_driver_exit();
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}
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#ifdef MODULE
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static int fwpath_changed_handler(const char *kmessage, struct kernel_param *kp)
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{
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return param_set_copystring(kmessage, kp);
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}
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#if !defined(QCA_WIFI_FTM)
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static int con_mode_handler(const char *kmessage, struct kernel_param *kp)
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{
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return param_set_int(kmessage, kp);
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}
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#endif
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#else /* #ifdef MODULE */
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/**
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* kickstart_driver() - driver entry point
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*
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* This is the driver entry point
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* - delayed driver initialization when driver is statically linked
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* - invoked when module parameter fwpath is modified from userspace to signal
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* initializing the WLAN driver or when con_mode is modified from userspace
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* to signal a switch in operating mode
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*
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* Return: 0 for success, non zero for failure
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*/
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static int kickstart_driver(void)
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{
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int ret_status;
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if (!wlan_hdd_inited) {
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ret_status = hdd_driver_init();
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wlan_hdd_inited = ret_status ? 0 : 1;
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return ret_status;
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}
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hdd_driver_exit();
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msleep(200);
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ret_status = hdd_driver_init();
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wlan_hdd_inited = ret_status ? 0 : 1;
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return ret_status;
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}
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/**
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* fwpath_changed_handler() - Handler Function
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*
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* Handle changes to the fwpath parameter
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*
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* Return: 0 for success, non zero for failure
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*/
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static int fwpath_changed_handler(const char *kmessage, struct kernel_param *kp)
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{
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int ret;
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ret = param_set_copystring(kmessage, kp);
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if (0 == ret)
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ret = kickstart_driver();
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return ret;
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}
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#if !defined(QCA_WIFI_FTM)
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/**
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* con_mode_handler() - handls module param con_mode change
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*
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* Handler function for module param con_mode when it is changed by userspace
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* Dynamically linked - do nothing
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* Statically linked - exit and init driver, as in rmmod and insmod
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*
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* Return -
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*/
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static int con_mode_handler(const char *kmessage, struct kernel_param *kp)
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{
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int ret;
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ret = param_set_int(kmessage, kp);
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if (0 == ret)
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ret = kickstart_driver();
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return ret;
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}
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#endif
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#endif /* #ifdef MODULE */
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/**
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* hdd_get_conparam() - driver exit point
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*
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* This is the driver exit point (invoked when module is unloaded using rmmod)
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*
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* Return: tCDF_CON_MODE
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*/
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tCDF_CON_MODE hdd_get_conparam(void)
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{
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#ifdef MODULE
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return (tCDF_CON_MODE) con_mode;
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#else
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return (tCDF_CON_MODE) curr_con_mode;
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#endif
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}
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void hdd_set_conparam(uint32_t newParam)
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{
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con_mode = newParam;
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#ifndef MODULE
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curr_con_mode = con_mode;
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#endif
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}
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/**
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* hdd_softap_sta_deauth() - handle deauth req from HDD
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* @adapter: Pointer to the HDD
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@ -6782,6 +6448,340 @@ const char *hdd_get_fwpath(void)
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return fwpath.string;
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}
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/*
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* In BMI Phase we are only sending small chunk (256 bytes) of the FW image at
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* a time, and wait for the completion interrupt to start the next transfer.
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* During this phase, the KRAIT is entering IDLE/StandAlone(SA) Power Save(PS).
|
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* The delay incurred for resuming from IDLE/SA PS is huge during driver load.
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* So prevent APPS IDLE/SA PS durint driver load for reducing interrupt latency.
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*/
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#ifdef CONFIG_CNSS
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static inline void hdd_request_pm_qos(int val)
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{
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cnss_request_pm_qos(val);
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}
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static inline void hdd_remove_pm_qos(void)
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{
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cnss_remove_pm_qos();
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}
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#else
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static inline void hdd_request_pm_qos(int val)
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{
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}
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static inline void hdd_remove_pm_qos(void)
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{
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}
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#endif
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/**
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* hdd_driver_init() - Core Driver Init Function
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*
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* This is the driver entry point - called in different timeline depending
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* on whether the driver is statically or dynamically linked
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*
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* Return: 0 for success, non zero for failure
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*/
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static int hdd_driver_init(void)
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{
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CDF_STATUS status;
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v_CONTEXT_t p_cds_context = NULL;
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int ret_status = 0;
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unsigned long rc;
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#ifdef WLAN_LOGGING_SOCK_SVC_ENABLE
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wlan_logging_sock_init_svc();
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#endif
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ENTER();
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cdf_wake_lock_init(&wlan_wake_lock, "wlan");
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hdd_prevent_suspend(WIFI_POWER_EVENT_WAKELOCK_DRIVER_INIT);
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/*
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* The Krait is going to Idle/Stand Alone Power Save
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* more aggressively which is resulting in the longer driver load time.
|
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* The Fix is to not allow Krait to enter Idle Power Save during driver
|
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* load.
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*/
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hdd_request_pm_qos(DISABLE_KRAIT_IDLE_PS_VAL);
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cds_ssr_protect_init();
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pr_info("%s: loading driver v%s\n", WLAN_MODULE_NAME,
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QWLAN_VERSIONSTR TIMER_MANAGER_STR MEMORY_DEBUG_STR);
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do {
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cdf_mc_timer_manager_init();
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cdf_mem_init();
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/* Allocate CDS global context */
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status = cds_alloc_global_context(&p_cds_context);
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if (!CDF_IS_STATUS_SUCCESS(status)) {
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hddLog(CDF_TRACE_LEVEL_FATAL,
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FL("Failed to preOpen CDS"));
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ret_status = -1;
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break;
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}
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|
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hdd_trace_init();
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|
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#ifndef MODULE
|
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/*
|
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* For statically linked driver, call hdd_set_conparam to update
|
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* curr_con_mode
|
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*/
|
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hdd_set_conparam((uint32_t) con_mode);
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#endif
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|
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#ifdef QCA_WIFI_3_0_ADRASTEA
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#define HDD_WLAN_START_WAIT_TIME (3600 * 1000)
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#else
|
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#define HDD_WLAN_START_WAIT_TIME (CDS_WMA_TIMEOUT + 5000)
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#endif
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init_completion(&wlan_start_comp);
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ret_status = wlan_hdd_register_driver();
|
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if (!ret_status) {
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rc = wait_for_completion_timeout(
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&wlan_start_comp,
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msecs_to_jiffies(HDD_WLAN_START_WAIT_TIME));
|
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if (!rc) {
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hddLog(LOGP,
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FL("timed-out waiting for wlan_hdd_register_driver"));
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ret_status = -1;
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} else
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ret_status = 0;
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}
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hdd_remove_pm_qos();
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hdd_allow_suspend(WIFI_POWER_EVENT_WAKELOCK_DRIVER_INIT);
|
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|
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if (ret_status) {
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hddLog(LOGP, FL("WLAN Driver Initialization failed"));
|
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wlan_hdd_unregister_driver();
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cds_free_global_context(&p_cds_context);
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ret_status = -ENODEV;
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break;
|
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} else {
|
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pr_info("%s: driver loaded\n", WLAN_MODULE_NAME);
|
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memdump_init();
|
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return 0;
|
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}
|
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|
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} while (0);
|
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|
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if (0 != ret_status) {
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cdf_mc_timer_exit();
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cdf_mem_exit();
|
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cdf_wake_lock_destroy(&wlan_wake_lock);
|
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#ifdef WLAN_LOGGING_SOCK_SVC_ENABLE
|
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wlan_logging_sock_deinit_svc();
|
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#endif
|
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memdump_deinit();
|
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pr_err("%s: driver load failure\n", WLAN_MODULE_NAME);
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} else {
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pr_info("%s: driver loaded\n", WLAN_MODULE_NAME);
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}
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EXIT();
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return ret_status;
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}
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|
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/**
|
||||
* hdd_module_init() - Init Function
|
||||
*
|
||||
* This is the driver entry point (invoked when module is loaded using insmod)
|
||||
*
|
||||
* Return: 0 for success, non zero for failure
|
||||
*/
|
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#ifdef MODULE
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static int __init hdd_module_init(void)
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{
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return hdd_driver_init();
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}
|
||||
#else /* #ifdef MODULE */
|
||||
static int __init hdd_module_init(void)
|
||||
{
|
||||
/* Driver initialization is delayed to fwpath_changed_handler */
|
||||
return 0;
|
||||
}
|
||||
#endif /* #ifdef MODULE */
|
||||
|
||||
/**
|
||||
* hdd_driver_exit() - Exit function
|
||||
*
|
||||
* This is the driver exit point (invoked when module is unloaded using rmmod
|
||||
* or con_mode was changed by userspace)
|
||||
*
|
||||
* Return: None
|
||||
*/
|
||||
static void hdd_driver_exit(void)
|
||||
{
|
||||
hdd_context_t *hdd_ctx = NULL;
|
||||
int retry = 0;
|
||||
|
||||
pr_info("%s: unloading driver v%s\n", WLAN_MODULE_NAME,
|
||||
QWLAN_VERSIONSTR);
|
||||
|
||||
hdd_ctx = cds_get_context(CDF_MODULE_ID_HDD);
|
||||
if (!hdd_ctx) {
|
||||
hddLog(CDF_TRACE_LEVEL_FATAL,
|
||||
FL("module exit called before probe"));
|
||||
} else {
|
||||
/* Check IPA HW Pipe shutdown */
|
||||
hdd_ipa_uc_force_pipe_shutdown(hdd_ctx);
|
||||
#ifdef QCA_PKT_PROTO_TRACE
|
||||
cds_pkt_proto_trace_close();
|
||||
#endif /* QCA_PKT_PROTO_TRACE */
|
||||
while (hdd_ctx->isLogpInProgress ||
|
||||
cds_is_logp_in_progress()) {
|
||||
hddLog(CDF_TRACE_LEVEL_FATAL,
|
||||
FL(
|
||||
"SSR in Progress; block rmmod for 1 second!!!"
|
||||
));
|
||||
msleep(1000);
|
||||
|
||||
if (retry++ == HDD_MOD_EXIT_SSR_MAX_RETRIES) {
|
||||
hddLog(CDF_TRACE_LEVEL_FATAL,
|
||||
FL("SSR never completed, fatal error"));
|
||||
CDF_BUG(0);
|
||||
}
|
||||
}
|
||||
|
||||
rtnl_lock();
|
||||
hdd_ctx->isUnloadInProgress = true;
|
||||
cds_set_load_unload_in_progress(true);
|
||||
rtnl_unlock();
|
||||
}
|
||||
|
||||
cds_wait_for_work_thread_completion(__func__);
|
||||
memdump_deinit();
|
||||
|
||||
wlan_hdd_unregister_driver();
|
||||
return;
|
||||
}
|
||||
|
||||
/**
|
||||
* hdd_module_exit() - Exit function
|
||||
*
|
||||
* This is the driver exit point (invoked when module is unloaded using rmmod)
|
||||
*
|
||||
* Return: None
|
||||
*/
|
||||
static void __exit hdd_module_exit(void)
|
||||
{
|
||||
hdd_driver_exit();
|
||||
}
|
||||
|
||||
#ifdef MODULE
|
||||
static int fwpath_changed_handler(const char *kmessage, struct kernel_param *kp)
|
||||
{
|
||||
return param_set_copystring(kmessage, kp);
|
||||
}
|
||||
|
||||
#if !defined(QCA_WIFI_FTM)
|
||||
static int con_mode_handler(const char *kmessage, struct kernel_param *kp)
|
||||
{
|
||||
return param_set_int(kmessage, kp);
|
||||
}
|
||||
#endif
|
||||
#else /* #ifdef MODULE */
|
||||
/**
|
||||
* kickstart_driver() - driver entry point
|
||||
*
|
||||
* This is the driver entry point
|
||||
* - delayed driver initialization when driver is statically linked
|
||||
* - invoked when module parameter fwpath is modified from userspace to signal
|
||||
* initializing the WLAN driver or when con_mode is modified from userspace
|
||||
* to signal a switch in operating mode
|
||||
*
|
||||
* Return: 0 for success, non zero for failure
|
||||
*/
|
||||
static int kickstart_driver(void)
|
||||
{
|
||||
int ret_status;
|
||||
|
||||
if (!wlan_hdd_inited) {
|
||||
ret_status = hdd_driver_init();
|
||||
wlan_hdd_inited = ret_status ? 0 : 1;
|
||||
return ret_status;
|
||||
}
|
||||
|
||||
hdd_driver_exit();
|
||||
|
||||
msleep(200);
|
||||
|
||||
ret_status = hdd_driver_init();
|
||||
wlan_hdd_inited = ret_status ? 0 : 1;
|
||||
return ret_status;
|
||||
}
|
||||
|
||||
/**
|
||||
* fwpath_changed_handler() - Handler Function
|
||||
*
|
||||
* Handle changes to the fwpath parameter
|
||||
*
|
||||
* Return: 0 for success, non zero for failure
|
||||
*/
|
||||
static int fwpath_changed_handler(const char *kmessage, struct kernel_param *kp)
|
||||
{
|
||||
int ret;
|
||||
|
||||
ret = param_set_copystring(kmessage, kp);
|
||||
if (0 == ret)
|
||||
ret = kickstart_driver();
|
||||
return ret;
|
||||
}
|
||||
|
||||
#if !defined(QCA_WIFI_FTM)
|
||||
/**
|
||||
* con_mode_handler() - handls module param con_mode change
|
||||
*
|
||||
* Handler function for module param con_mode when it is changed by userspace
|
||||
* Dynamically linked - do nothing
|
||||
* Statically linked - exit and init driver, as in rmmod and insmod
|
||||
*
|
||||
* Return -
|
||||
*/
|
||||
static int con_mode_handler(const char *kmessage, struct kernel_param *kp)
|
||||
{
|
||||
int ret;
|
||||
|
||||
ret = param_set_int(kmessage, kp);
|
||||
if (0 == ret)
|
||||
ret = kickstart_driver();
|
||||
return ret;
|
||||
}
|
||||
#endif
|
||||
#endif /* #ifdef MODULE */
|
||||
|
||||
/**
|
||||
* hdd_get_conparam() - driver exit point
|
||||
*
|
||||
* This is the driver exit point (invoked when module is unloaded using rmmod)
|
||||
*
|
||||
* Return: tCDF_CON_MODE
|
||||
*/
|
||||
tCDF_CON_MODE hdd_get_conparam(void)
|
||||
{
|
||||
#ifdef MODULE
|
||||
return (tCDF_CON_MODE) con_mode;
|
||||
#else
|
||||
return (tCDF_CON_MODE) curr_con_mode;
|
||||
#endif
|
||||
}
|
||||
|
||||
void hdd_set_conparam(uint32_t newParam)
|
||||
{
|
||||
con_mode = newParam;
|
||||
#ifndef MODULE
|
||||
curr_con_mode = con_mode;
|
||||
#endif
|
||||
}
|
||||
|
||||
|
||||
/* Register the module init/exit functions */
|
||||
module_init(hdd_module_init);
|
||||
|
|
|
|||
Loading…
Reference in a new issue