// SPDX-License-Identifier: GPL-2.0-only /* * This file contains the major functions in WLAN * driver. It includes init, exit, open, close and main * thread etc.. */ #define pr_fmt(fmt) … #include <linux/module.h> #include <linux/delay.h> #include <linux/etherdevice.h> #include <linux/hardirq.h> #include <linux/netdevice.h> #include <linux/if_arp.h> #include <linux/kthread.h> #include <linux/kfifo.h> #include <linux/slab.h> #include <net/cfg80211.h> #include "host.h" #include "decl.h" #include "dev.h" #include "cfg.h" #include "debugfs.h" #include "cmd.h" #include "mesh.h" #define DRIVER_RELEASE_VERSION … const char lbs_driver_version[] = …; /* Module parameters */ unsigned int lbs_debug; EXPORT_SYMBOL_GPL(…); module_param_named(libertas_debug, lbs_debug, int, 0644); static unsigned int lbs_disablemesh; module_param_named(libertas_disablemesh, lbs_disablemesh, int, 0644); /* * This global structure is used to send the confirm_sleep command as * fast as possible down to the firmware. */ struct cmd_confirm_sleep confirm_sleep; /* * the table to keep region code */ u16 lbs_region_code_to_index[MRVDRV_MAX_REGION_CODE] = …; /* * FW rate table. FW refers to rates by their index in this table, not by the * rate value itself. Values of 0x00 are * reserved positions. */ static u8 fw_data_rates[MAX_RATES] = …; /** * lbs_fw_index_to_data_rate - use index to get the data rate * * @idx: The index of data rate * returns: data rate or 0 */ u32 lbs_fw_index_to_data_rate(u8 idx) { … } /** * lbs_data_rate_to_fw_index - use rate to get the index * * @rate: data rate * returns: index or 0 */ u8 lbs_data_rate_to_fw_index(u32 rate) { … } int lbs_set_iface_type(struct lbs_private *priv, enum nl80211_iftype type) { … } int lbs_start_iface(struct lbs_private *priv) { … } /** * lbs_dev_open - open the ethX interface * * @dev: A pointer to &net_device structure * returns: 0 or -EBUSY if monitor mode active */ static int lbs_dev_open(struct net_device *dev) { … } static bool lbs_command_queue_empty(struct lbs_private *priv) { … } int lbs_stop_iface(struct lbs_private *priv) { … } /** * lbs_eth_stop - close the ethX interface * * @dev: A pointer to &net_device structure * returns: 0 */ static int lbs_eth_stop(struct net_device *dev) { … } void lbs_host_to_card_done(struct lbs_private *priv) { … } EXPORT_SYMBOL_GPL(…); int lbs_set_mac_address(struct net_device *dev, void *addr) { … } static inline int mac_in_list(unsigned char *list, int list_len, unsigned char *mac) { … } static int lbs_add_mcast_addrs(struct cmd_ds_mac_multicast_adr *cmd, struct net_device *dev, int nr_addrs) { … } void lbs_update_mcast(struct lbs_private *priv) { … } static void lbs_set_mcast_worker(struct work_struct *work) { … } void lbs_set_multicast_list(struct net_device *dev) { … } /** * lbs_thread - handles the major jobs in the LBS driver. * It handles all events generated by firmware, RX data received * from firmware and TX data sent from kernel. * * @data: A pointer to &lbs_thread structure * returns: 0 */ static int lbs_thread(void *data) { … } /** * lbs_setup_firmware - gets the HW spec from the firmware and sets * some basic parameters * * @priv: A pointer to &struct lbs_private structure * returns: 0 or -1 */ static int lbs_setup_firmware(struct lbs_private *priv) { … } int lbs_suspend(struct lbs_private *priv) { … } EXPORT_SYMBOL_GPL(…); int lbs_resume(struct lbs_private *priv) { … } EXPORT_SYMBOL_GPL(…); /** * lbs_cmd_timeout_handler - handles the timeout of command sending. * It will re-send the same command again. * * @t: Context from which to retrieve a &struct lbs_private pointer */ static void lbs_cmd_timeout_handler(struct timer_list *t) { … } /** * lbs_tx_lockup_handler - handles the timeout of the passing of TX frames * to the hardware. This is known to frequently happen with SD8686 when * waking up after a Wake-on-WLAN-triggered resume. * * @t: Context from which to retrieve a &struct lbs_private pointer */ static void lbs_tx_lockup_handler(struct timer_list *t) { … } /** * auto_deepsleep_timer_fn - put the device back to deep sleep mode when * timer expires and no activity (command, event, data etc.) is detected. * @t: Context from which to retrieve a &struct lbs_private pointer * returns: N/A */ static void auto_deepsleep_timer_fn(struct timer_list *t) { … } int lbs_enter_auto_deep_sleep(struct lbs_private *priv) { … } int lbs_exit_auto_deep_sleep(struct lbs_private *priv) { … } static int lbs_init_adapter(struct lbs_private *priv) { … } static void lbs_free_adapter(struct lbs_private *priv) { … } static const struct net_device_ops lbs_netdev_ops = …; /** * lbs_add_card - adds the card. It will probe the * card, allocate the lbs_priv and initialize the device. * * @card: A pointer to card * @dmdev: A pointer to &struct device * returns: A pointer to &struct lbs_private structure */ struct lbs_private *lbs_add_card(void *card, struct device *dmdev) { … } EXPORT_SYMBOL_GPL(…); void lbs_remove_card(struct lbs_private *priv) { … } EXPORT_SYMBOL_GPL(…); int lbs_rtap_supported(struct lbs_private *priv) { … } int lbs_start_card(struct lbs_private *priv) { … } EXPORT_SYMBOL_GPL(…); void lbs_stop_card(struct lbs_private *priv) { … } EXPORT_SYMBOL_GPL(…); void lbs_queue_event(struct lbs_private *priv, u32 event) { … } EXPORT_SYMBOL_GPL(…); void lbs_notify_command_response(struct lbs_private *priv, u8 resp_idx) { … } EXPORT_SYMBOL_GPL(…); static int __init lbs_init_module(void) { … } static void __exit lbs_exit_module(void) { … } module_init(…) …; module_exit(lbs_exit_module); MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …;
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