// SPDX-License-Identifier: GPL-2.0 #include <linux/dcache.h> #include <linux/debugfs.h> #include <linux/delay.h> #include <linux/hardirq.h> #include <linux/mm.h> #include <linux/string.h> #include <linux/slab.h> #include <linux/export.h> #include "decl.h" #include "cmd.h" #include "debugfs.h" static struct dentry *lbs_dir; static char *szStates[] = …; #ifdef PROC_DEBUG static void lbs_debug_init(struct lbs_private *priv); #endif static ssize_t write_file_dummy(struct file *file, const char __user *buf, size_t count, loff_t *ppos) { … } static const size_t len = …; static ssize_t lbs_dev_info(struct file *file, char __user *userbuf, size_t count, loff_t *ppos) { … } static ssize_t lbs_sleepparams_write(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos) { … } static ssize_t lbs_sleepparams_read(struct file *file, char __user *userbuf, size_t count, loff_t *ppos) { … } static ssize_t lbs_host_sleep_write(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos) { … } static ssize_t lbs_host_sleep_read(struct file *file, char __user *userbuf, size_t count, loff_t *ppos) { … } /* * When calling CMD_802_11_SUBSCRIBE_EVENT with CMD_ACT_GET, me might * get a bunch of vendor-specific TLVs (a.k.a. IEs) back from the * firmware. Here's an example: * 04 01 02 00 00 00 05 01 02 00 00 00 06 01 02 00 * 00 00 07 01 02 00 3c 00 00 00 00 00 00 00 03 03 * 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 * * The 04 01 is the TLV type (here TLV_TYPE_RSSI_LOW), 02 00 is the length, * 00 00 are the data bytes of this TLV. For this TLV, their meaning is * defined in mrvlietypes_thresholds * * This function searches in this TLV data chunk for a given TLV type * and returns a pointer to the first data byte of the TLV, or to NULL * if the TLV hasn't been found. */ static void *lbs_tlv_find(uint16_t tlv_type, const uint8_t *tlv, uint16_t size) { … } static ssize_t lbs_threshold_read(uint16_t tlv_type, uint16_t event_mask, struct file *file, char __user *userbuf, size_t count, loff_t *ppos) { … } static ssize_t lbs_threshold_write(uint16_t tlv_type, uint16_t event_mask, struct file *file, const char __user *userbuf, size_t count, loff_t *ppos) { … } static ssize_t lbs_lowrssi_read(struct file *file, char __user *userbuf, size_t count, loff_t *ppos) { … } static ssize_t lbs_lowrssi_write(struct file *file, const char __user *userbuf, size_t count, loff_t *ppos) { … } static ssize_t lbs_lowsnr_read(struct file *file, char __user *userbuf, size_t count, loff_t *ppos) { … } static ssize_t lbs_lowsnr_write(struct file *file, const char __user *userbuf, size_t count, loff_t *ppos) { … } static ssize_t lbs_failcount_read(struct file *file, char __user *userbuf, size_t count, loff_t *ppos) { … } static ssize_t lbs_failcount_write(struct file *file, const char __user *userbuf, size_t count, loff_t *ppos) { … } static ssize_t lbs_highrssi_read(struct file *file, char __user *userbuf, size_t count, loff_t *ppos) { … } static ssize_t lbs_highrssi_write(struct file *file, const char __user *userbuf, size_t count, loff_t *ppos) { … } static ssize_t lbs_highsnr_read(struct file *file, char __user *userbuf, size_t count, loff_t *ppos) { … } static ssize_t lbs_highsnr_write(struct file *file, const char __user *userbuf, size_t count, loff_t *ppos) { … } static ssize_t lbs_bcnmiss_read(struct file *file, char __user *userbuf, size_t count, loff_t *ppos) { … } static ssize_t lbs_bcnmiss_write(struct file *file, const char __user *userbuf, size_t count, loff_t *ppos) { … } static ssize_t lbs_rdmac_read(struct file *file, char __user *userbuf, size_t count, loff_t *ppos) { … } static ssize_t lbs_rdmac_write(struct file *file, const char __user *userbuf, size_t count, loff_t *ppos) { … } static ssize_t lbs_wrmac_write(struct file *file, const char __user *userbuf, size_t count, loff_t *ppos) { … } static ssize_t lbs_rdbbp_read(struct file *file, char __user *userbuf, size_t count, loff_t *ppos) { … } static ssize_t lbs_rdbbp_write(struct file *file, const char __user *userbuf, size_t count, loff_t *ppos) { … } static ssize_t lbs_wrbbp_write(struct file *file, const char __user *userbuf, size_t count, loff_t *ppos) { … } static ssize_t lbs_rdrf_read(struct file *file, char __user *userbuf, size_t count, loff_t *ppos) { … } static ssize_t lbs_rdrf_write(struct file *file, const char __user *userbuf, size_t count, loff_t *ppos) { … } static ssize_t lbs_wrrf_write(struct file *file, const char __user *userbuf, size_t count, loff_t *ppos) { … } #define FOPS(fread, fwrite) … struct lbs_debugfs_files { … }; static const struct lbs_debugfs_files debugfs_files[] = …; static const struct lbs_debugfs_files debugfs_events_files[] = …; static const struct lbs_debugfs_files debugfs_regs_files[] = …; void lbs_debugfs_init(void) { … } void lbs_debugfs_remove(void) { … } void lbs_debugfs_init_one(struct lbs_private *priv, struct net_device *dev) { … } void lbs_debugfs_remove_one(struct lbs_private *priv) { … } /* debug entry */ #ifdef PROC_DEBUG #define item_size(n) … #define item_addr(n) … struct debug_data { … }; /* To debug any member of struct lbs_private, simply add one line here. */ static struct debug_data items[] = …; static int num_of_items = …; /** * lbs_debugfs_read - proc read function * * @file: file to read * @userbuf: pointer to buffer * @count: number of bytes to read * @ppos: read data starting position * * returns: amount of data read or negative error code */ static ssize_t lbs_debugfs_read(struct file *file, char __user *userbuf, size_t count, loff_t *ppos) { … } /** * lbs_debugfs_write - proc write function * * @f: file pointer * @buf: pointer to data buffer * @cnt: data number to write * @ppos: file position * * returns: amount of data written */ static ssize_t lbs_debugfs_write(struct file *f, const char __user *buf, size_t cnt, loff_t *ppos) { … } static const struct file_operations lbs_debug_fops = …; /** * lbs_debug_init - create debug proc file * * @priv: pointer to &struct lbs_private * * returns: N/A */ static void lbs_debug_init(struct lbs_private *priv) { … } #endif
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