mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-25 15:06:47 +02:00
ar71xx: add detailed interrupt statistics for the ag71xx driver
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@19054 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
parent
92f9b43176
commit
0c1d7bcfa5
@ -109,8 +109,20 @@ struct ag71xx_mdio {
|
||||
struct ag71xx_mdio_platform_data *pdata;
|
||||
};
|
||||
|
||||
struct ag71xx_int_stats {
|
||||
unsigned long rx_pr;
|
||||
unsigned long rx_be;
|
||||
unsigned long rx_of;
|
||||
unsigned long tx_ps;
|
||||
unsigned long tx_be;
|
||||
unsigned long tx_ur;
|
||||
unsigned long total;
|
||||
};
|
||||
|
||||
struct ag71xx_debug {
|
||||
struct dentry *debugfs_dir;
|
||||
struct dentry *debugfs_int_stats;
|
||||
struct ag71xx_int_stats int_stats;
|
||||
};
|
||||
|
||||
struct ag71xx {
|
||||
@ -463,11 +475,14 @@ int ag71xx_debugfs_root_init(void);
|
||||
void ag71xx_debugfs_root_exit(void);
|
||||
int ag71xx_debugfs_init(struct ag71xx *ag);
|
||||
void ag71xx_debugfs_exit(struct ag71xx *ag);
|
||||
void ag71xx_debugfs_update_int_stats(struct ag71xx *ag, u32 status);
|
||||
#else
|
||||
static inline int ag71xx_debugfs_root_init(void) { return 0; }
|
||||
static inline void ag71xx_debugfs_root_exit(void) {}
|
||||
static inline int ag71xx_debugfs_init(struct ag71xx *ag) { return 0; }
|
||||
static inline void ag71xx_debugfs_exit(struct ag71xx *ag) {}
|
||||
static inline void ag71xx_debug_update_int_stats(struct ag71xx *ag,
|
||||
u32 status) {}
|
||||
#endif /* CONFIG_AG71XX_DEBUG_FS */
|
||||
|
||||
#endif /* _AG71XX_H */
|
||||
|
@ -17,6 +17,89 @@
|
||||
|
||||
static struct dentry *ag71xx_debugfs_root;
|
||||
|
||||
static int ag71xx_debugfs_generic_open(struct inode *inode, struct file *file)
|
||||
{
|
||||
file->private_data = inode->i_private;
|
||||
return 0;
|
||||
}
|
||||
|
||||
void ag71xx_debugfs_update_int_stats(struct ag71xx *ag, u32 status)
|
||||
{
|
||||
if (status)
|
||||
ag->debug.int_stats.total++;
|
||||
if (status & AG71XX_INT_TX_PS)
|
||||
ag->debug.int_stats.tx_ps++;
|
||||
if (status & AG71XX_INT_TX_UR)
|
||||
ag->debug.int_stats.tx_ur++;
|
||||
if (status & AG71XX_INT_TX_BE)
|
||||
ag->debug.int_stats.tx_be++;
|
||||
if (status & AG71XX_INT_RX_PR)
|
||||
ag->debug.int_stats.rx_pr++;
|
||||
if (status & AG71XX_INT_RX_OF)
|
||||
ag->debug.int_stats.rx_of++;
|
||||
if (status & AG71XX_INT_RX_BE)
|
||||
ag->debug.int_stats.rx_be++;
|
||||
}
|
||||
|
||||
static ssize_t read_file_int_stats(struct file *file, char __user *user_buf,
|
||||
size_t count, loff_t *ppos)
|
||||
{
|
||||
#define PR_INT_STAT(_label, _field) \
|
||||
len += snprintf(buf + len, sizeof(buf) - len, \
|
||||
"%20s: %10lu\n", _label, ag->debug.int_stats._field);
|
||||
|
||||
struct ag71xx *ag = file->private_data;
|
||||
char buf[256];
|
||||
unsigned int len = 0;
|
||||
|
||||
PR_INT_STAT("TX Packet Sent", tx_ps);
|
||||
PR_INT_STAT("TX Underrun", tx_ur);
|
||||
PR_INT_STAT("TX Bus Error", tx_be);
|
||||
PR_INT_STAT("RX Packet Received", rx_pr);
|
||||
PR_INT_STAT("RX Overflow", rx_of);
|
||||
PR_INT_STAT("RX Bus Error", rx_be);
|
||||
len += snprintf(buf + len, sizeof(buf) - len, "\n");
|
||||
PR_INT_STAT("Total", total);
|
||||
|
||||
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
|
||||
#undef PR_INT_STAT
|
||||
}
|
||||
|
||||
static const struct file_operations ag71xx_fops_int_stats = {
|
||||
.open = ag71xx_debugfs_generic_open,
|
||||
.read = read_file_int_stats,
|
||||
.owner = THIS_MODULE
|
||||
};
|
||||
|
||||
void ag71xx_debugfs_exit(struct ag71xx *ag)
|
||||
{
|
||||
debugfs_remove(ag->debug.debugfs_int_stats);
|
||||
debugfs_remove(ag->debug.debugfs_dir);
|
||||
}
|
||||
|
||||
int ag71xx_debugfs_init(struct ag71xx *ag)
|
||||
{
|
||||
ag->debug.debugfs_dir = debugfs_create_dir(ag->dev->name,
|
||||
ag71xx_debugfs_root);
|
||||
if (!ag->debug.debugfs_dir)
|
||||
goto err;
|
||||
|
||||
ag->debug.debugfs_int_stats =
|
||||
debugfs_create_file("int_stats",
|
||||
S_IRUGO,
|
||||
ag->debug.debugfs_dir,
|
||||
ag,
|
||||
&ag71xx_fops_int_stats);
|
||||
if (!ag->debug.debugfs_int_stats)
|
||||
goto err;
|
||||
|
||||
return 0;
|
||||
|
||||
err:
|
||||
ag71xx_debugfs_exit(ag);
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
int ag71xx_debugfs_root_init(void)
|
||||
{
|
||||
if (ag71xx_debugfs_root)
|
||||
@ -34,22 +117,3 @@ void ag71xx_debugfs_root_exit(void)
|
||||
debugfs_remove(ag71xx_debugfs_root);
|
||||
ag71xx_debugfs_root = NULL;
|
||||
}
|
||||
|
||||
void ag71xx_debugfs_exit(struct ag71xx *ag)
|
||||
{
|
||||
debugfs_remove(ag->debug.debugfs_dir);
|
||||
}
|
||||
|
||||
int ag71xx_debugfs_init(struct ag71xx *ag)
|
||||
{
|
||||
ag->debug.debugfs_dir = debugfs_create_dir(ag->dev->name,
|
||||
ag71xx_debugfs_root);
|
||||
if (!ag->debug.debugfs_dir)
|
||||
goto err;
|
||||
|
||||
return 0;
|
||||
|
||||
err:
|
||||
ag71xx_debugfs_exit(ag);
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
@ -795,6 +795,8 @@ static irqreturn_t ag71xx_interrupt(int irq, void *dev_id)
|
||||
napi_schedule(&ag->napi);
|
||||
}
|
||||
|
||||
ag71xx_debugfs_update_int_stats(ag, status);
|
||||
|
||||
return IRQ_HANDLED;
|
||||
}
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user