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/*
* Copyright (c) 2011-2014 Espressif System.
*
* esp debug interface
* - debugfs
* - debug level control
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/types.h>
#include <linux/kernel.h>
#include <net/mac80211.h>
#include "sip2_common.h"
#include "esp_debug.h"
#if defined(CONFIG_DEBUG_FS) && defined(CONFIG_ESP8089_DEBUG_FS)
static struct dentry *esp_debugfs_root = NULL;
static int esp_debugfs_open(struct inode *inode, struct file *filp)
{
filp->private_data = inode->i_private;
return 0;
}
static ssize_t esp_debugfs_read(struct file *filp, char __user * buffer,
size_t count, loff_t * ppos)
{
if (*ppos >= 32)
return 0;
if (*ppos + count > 32)
count = 32 - *ppos;
if (copy_to_user(buffer, filp->private_data + *ppos, count))
return -EFAULT;
*ppos += count;
return count;
}
static ssize_t esp_debugfs_write(struct file *filp,
const char __user * buffer, size_t count,
loff_t * ppos)
{
if (*ppos >= 32)
return 0;
if (*ppos + count > 32)
count = 32 - *ppos;
if (copy_from_user(filp->private_data + *ppos, buffer, count))
return -EFAULT;
*ppos += count;
return count;
}
struct file_operations esp_debugfs_fops = {
.owner = THIS_MODULE,
.open = esp_debugfs_open,
.read = esp_debugfs_read,
.write = esp_debugfs_write,
};
struct dentry *esp_dump_var(const char *name, struct dentry *parent,
void *value, esp_type type)
{
struct dentry *rc = NULL;
umode_t mode = 0644;
if (!esp_debugfs_root)
return NULL;
if (!parent)
parent = esp_debugfs_root;
switch (type) {
case ESP_U8:
rc = debugfs_create_u8(name, mode, parent, (u8 *) value);
break;
case ESP_U16:
rc = debugfs_create_u16(name, mode, parent, (u16 *) value);
break;
case ESP_U32:
rc = debugfs_create_u32(name, mode, parent, (u32 *) value);
break;
case ESP_U64:
rc = debugfs_create_u64(name, mode, parent, (u64 *) value);
break;
case ESP_BOOL:
rc = debugfs_create_bool(name, mode, parent,
(bool *) value);
break;
default: //32
rc = debugfs_create_u32(name, mode, parent, (u32 *) value);
}
if (!rc)
goto Fail;
else
return rc;
Fail:
debugfs_remove_recursive(esp_debugfs_root);
esp_debugfs_root = NULL;
esp_dbg(ESP_DBG_ERROR,
"%s failed, debugfs root removed; var name: %s\n",
__FUNCTION__, name);
return NULL;
}
struct dentry *esp_dump_array(const char *name, struct dentry *parent,
struct debugfs_blob_wrapper *blob)
{
struct dentry *rc = NULL;
umode_t mode = 0644;
if (!esp_debugfs_root)
return NULL;
if (!parent)
parent = esp_debugfs_root;
rc = debugfs_create_blob(name, mode, parent, blob);
if (!rc)
goto Fail;
else
return rc;
Fail:
debugfs_remove_recursive(esp_debugfs_root);
esp_debugfs_root = NULL;
esp_dbg(ESP_DBG_ERROR,
"%s failed, debugfs root removed; var name: %s\n",
__FUNCTION__, name);
return NULL;
}
struct dentry *esp_dump(const char *name, struct dentry *parent,
void *data, int size)
{
struct dentry *rc;
umode_t mode = 0644;
if (!esp_debugfs_root)
return NULL;
if (!parent)
parent = esp_debugfs_root;
rc = debugfs_create_file(name, mode, parent, data,
&esp_debugfs_fops);
if (!rc)
goto Fail;
else
return rc;
Fail:
debugfs_remove_recursive(esp_debugfs_root);
esp_debugfs_root = NULL;
esp_dbg(ESP_DBG_ERROR,
"%s failed, debugfs root removed; var name: %s\n",
__FUNCTION__, name);
return NULL;
}
struct dentry *esp_debugfs_add_sub_dir(const char *name)
{
struct dentry *sub_dir = NULL;
sub_dir = debugfs_create_dir(name, esp_debugfs_root);
if (!sub_dir)
goto Fail;
return sub_dir;
Fail:
debugfs_remove_recursive(esp_debugfs_root);
esp_debugfs_root = NULL;
esp_dbg(ESP_DBG_ERROR,
"%s failed, debugfs root removed; dir name: %s\n",
__FUNCTION__, name);
return NULL;
}
int esp_debugfs_init(void)
{
esp_dbg(ESP_DBG, "esp debugfs init\n");
esp_debugfs_root = debugfs_create_dir("esp_debug", NULL);
if (!esp_debugfs_root || IS_ERR_OR_NULL(esp_debugfs_root)) {
return -ENOENT;
}
return 0;
}
void esp_debugfs_exit(void)
{
esp_dbg(ESP_DBG, "esp debugfs exit");
debugfs_remove_recursive(esp_debugfs_root);
return;
}
#else
inline struct dentry *esp_dump_var(const char *name, struct dentry *parent,
void *value, esp_type type)
{
return NULL;
}
inline struct dentry *esp_dump_array(const char *name,
struct dentry *parent,
struct debugfs_blob_wrapper *blob)
{
return NULL;
}
inline struct dentry *esp_dump(const char *name, struct dentry *parent,
void *data, int size)
{
return NULL;
}
struct dentry *esp_debugfs_add_sub_dir(const char *name)
{
return NULL;
}
inline int esp_debugfs_init(void)
{
return -EPERM;
}
inline void esp_debugfs_exit(void)
{
}
#endif
void show_buf(u8 * buf, u32 len)
{
// print_hex_dump(KERN_DEBUG, "", DUMP_PREFIX_OFFSET, 16, 1, buf, len, true);
#if 1
int i = 0, j;
printk(KERN_INFO "\n++++++++++++++++show rbuf+++++++++++++++\n");
for (i = 0; i < (len / 16); i++) {
j = i * 16;
printk(KERN_INFO
"0x%02x, 0x%02x, 0x%02x, 0x%02x, 0x%02x, 0x%02x, 0x%02x, 0x%02x, 0x%02x, 0x%02x, 0x%02x, 0x%02x, 0x%02x, 0x%02x, 0x%02x, 0x%02x \n",
buf[j], buf[j + 1], buf[j + 2], buf[j + 3],
buf[j + 4], buf[j + 5], buf[j + 6], buf[j + 7],
buf[j + 8], buf[j + 9], buf[j + 10], buf[j + 11],
buf[j + 12], buf[j + 13], buf[j + 14], buf[j + 15]);
}
printk(KERN_INFO "\n++++++++++++++++++++++++++++++++++++++++\n");
#endif //0000
}
#ifdef HOST_RC
static u8 get_cnt(u32 cnt_store, int idx)
{
int shift = idx << 2;
return (u8) ((cnt_store >> shift) & 0xf);
}
void esp_show_rcstatus(struct sip_rc_status *rcstatus)
{
int i;
char msg[82];
char rcstr[16];
u32 cnt_store = rcstatus->rc_cnt_store;
memset(msg, 0, sizeof(msg));
memset(rcstr, 0, sizeof(rcstr));
printk(KERN_INFO "rcstatus map 0x%08x cntStore 0x%08x\n",
rcstatus->rc_map, rcstatus->rc_cnt_store);
for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
if (rcstatus->rc_map & BIT(i)) {
sprintf(rcstr, "rcIdx %d, cnt %d ", i,
get_cnt(cnt_store, i));
strcat(msg, rcstr);
}
}
printk(KERN_INFO "%s \n", msg);
}
void esp_show_tx_rates(struct ieee80211_tx_rate *rates)
{
int i;
char msg[128];
char rcstr[32];
memset(msg, 0, sizeof(msg));
memset(rcstr, 0, sizeof(rcstr));
for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
if (rates->idx != -1) {
sprintf(rcstr, "Idx %d, cnt %d, flag %02x ",
rates->idx, rates->count, rates->flags);
strcat(msg, rcstr);
}
rates++;
}
strcat(msg, "\n");
printk(KERN_INFO "%s \n", msg);
}
#endif /* HOST_RC */
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