From 939f1ccec80bd2dad5638de2a6819c66d4cb6f32 Mon Sep 17 00:00:00 2001 From: Kalle Valo Date: Fri, 2 Sep 2011 10:32:04 +0300 Subject: ath6kl: implement support to set firmware log parameters Firmware log parameters can be controlled now with help of fwlog_mask debugfs file. Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath6kl/debug.c | 51 +++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) (limited to 'drivers/net/wireless/ath/ath6kl/debug.c') diff --git a/drivers/net/wireless/ath/ath6kl/debug.c b/drivers/net/wireless/ath/ath6kl/debug.c index b2706da58149..239c092d3e11 100644 --- a/drivers/net/wireless/ath/ath6kl/debug.c +++ b/drivers/net/wireless/ath/ath6kl/debug.c @@ -17,6 +17,7 @@ #include "core.h" #include +#include #include "debug.h" #include "target.h" @@ -32,6 +33,7 @@ struct ath6kl_fwlog_slot { #define ATH6KL_FWLOG_SIZE 32768 #define ATH6KL_FWLOG_SLOT_SIZE (sizeof(struct ath6kl_fwlog_slot) + \ ATH6KL_FWLOG_PAYLOAD_SIZE) +#define ATH6KL_FWLOG_VALID_MASK 0x1ffff int ath6kl_printk(const char *level, const char *fmt, ...) { @@ -280,6 +282,46 @@ static const struct file_operations fops_fwlog = { .llseek = default_llseek, }; +static ssize_t ath6kl_fwlog_mask_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ath6kl *ar = file->private_data; + char buf[16]; + int len; + + len = snprintf(buf, sizeof(buf), "0x%x\n", ar->debug.fwlog_mask); + + return simple_read_from_buffer(user_buf, count, ppos, buf, len); +} + +static ssize_t ath6kl_fwlog_mask_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ath6kl *ar = file->private_data; + int ret; + + ret = kstrtou32_from_user(user_buf, count, 0, &ar->debug.fwlog_mask); + if (ret) + return ret; + + ret = ath6kl_wmi_config_debug_module_cmd(ar->wmi, + ATH6KL_FWLOG_VALID_MASK, + ar->debug.fwlog_mask); + if (ret) + return ret; + + return count; +} + +static const struct file_operations fops_fwlog_mask = { + .open = ath6kl_debugfs_open, + .read = ath6kl_fwlog_mask_read, + .write = ath6kl_fwlog_mask_write, + .owner = THIS_MODULE, + .llseek = default_llseek, +}; + static ssize_t read_file_tgt_stats(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { @@ -497,6 +539,12 @@ int ath6kl_debug_init(struct ath6kl *ar) spin_lock_init(&ar->debug.fwlog_lock); + /* + * Actually we are lying here but don't know how to read the mask + * value from the firmware. + */ + ar->debug.fwlog_mask = 0; + ar->debugfs_phy = debugfs_create_dir("ath6kl", ar->wdev->wiphy->debugfsdir); if (!ar->debugfs_phy) { @@ -514,6 +562,9 @@ int ath6kl_debug_init(struct ath6kl *ar) debugfs_create_file("fwlog", S_IRUSR, ar->debugfs_phy, ar, &fops_fwlog); + debugfs_create_file("fwlog_mask", S_IRUSR | S_IWUSR, ar->debugfs_phy, + ar, &fops_fwlog_mask); + return 0; } -- cgit v1.2.3