diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath6kl/debug.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath6kl/debug.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath6kl/debug.c b/drivers/net/wireless/ath/ath6kl/debug.c index 4fc83ccbf8bd..5237369cd521 100644 --- a/drivers/net/wireless/ath/ath6kl/debug.c +++ b/drivers/net/wireless/ath/ath6kl/debug.c @@ -192,6 +192,51 @@ static int ath6kl_debugfs_open(struct inode *inode, struct file *file) return 0; } +void ath6kl_debug_war(struct ath6kl *ar, enum ath6kl_war war) +{ + switch (war) { + case ATH6KL_WAR_INVALID_RATE: + ar->debug.war_stats.invalid_rate++; + break; + } +} + +static ssize_t read_file_war_stats(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ath6kl *ar = file->private_data; + char *buf; + unsigned int len = 0, buf_len = 1500; + ssize_t ret_cnt; + + buf = kzalloc(buf_len, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + len += scnprintf(buf + len, buf_len - len, "\n"); + len += scnprintf(buf + len, buf_len - len, "%25s\n", + "Workaround stats"); + len += scnprintf(buf + len, buf_len - len, "%25s\n\n", + "================="); + len += scnprintf(buf + len, buf_len - len, "%20s %10u\n", + "Invalid rates", ar->debug.war_stats.invalid_rate); + + if (WARN_ON(len > buf_len)) + len = buf_len; + + ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len); + + kfree(buf); + return ret_cnt; +} + +static const struct file_operations fops_war_stats = { + .read = read_file_war_stats, + .open = ath6kl_debugfs_open, + .owner = THIS_MODULE, + .llseek = default_llseek, +}; + static void ath6kl_debug_fwlog_add(struct ath6kl *ar, const void *buf, size_t buf_len) { @@ -873,6 +918,9 @@ int ath6kl_debug_init(struct ath6kl *ar) debugfs_create_file("reg_write", S_IRUSR | S_IWUSR, ar->debugfs_phy, ar, &fops_diag_reg_write); + debugfs_create_file("war_stats", S_IRUSR, ar->debugfs_phy, ar, + &fops_war_stats); + return 0; } |