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wil6210: update statistics for suspend 

Currently the statistics show how many successful/failed
suspend/resume operations the system had.
Update the statistics by splitting each successful/failed
suspend/resume operations to radio on/off.

Signed-off-by: Lazar Alexei <qca_ailizaro@qca.qualcomm.com>
Signed-off-by: Maya Erez <qca_merez@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This commit is contained in:
Lazar Alexei 2017-11-14 15:25:44 +02:00 committed by Kalle Valo
parent 05898dd988
commit bd8bdc6ca8
4 changed files with 57 additions and 25 deletions
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43
drivers/net/wireless/ath/wil6210/debugfs.c
View File

@ -1641,24 +1641,41 @@ static ssize_t wil_read_suspend_stats(struct file *file,
size_t count, loff_t *ppos)
{
struct wil6210_priv *wil = file->private_data;
static char text[400];
int n;
char *text;
int n, ret, text_size = 500;
n = snprintf(text, sizeof(text),
"Suspend statistics:\n"
text = kmalloc(text_size, GFP_KERNEL);
if (!text)
return -ENOMEM;
n = snprintf(text, text_size,
"Radio on suspend statistics:\n"
"successful suspends:%ld failed suspends:%ld\n"
"successful resumes:%ld failed resumes:%ld\n"
"rejected by host:%ld rejected by device:%ld\n",
wil->suspend_stats.successful_suspends,
wil->suspend_stats.failed_suspends,
wil->suspend_stats.successful_resumes,
wil->suspend_stats.failed_resumes,
wil->suspend_stats.rejected_by_host,
wil->suspend_stats.rejected_by_device);
"rejected by device:%ld\n"
"Radio off suspend statistics:\n"
"successful suspends:%ld failed suspends:%ld\n"
"successful resumes:%ld failed resumes:%ld\n"
"General statistics:\n"
"rejected by host:%ld\n",
wil->suspend_stats.r_on.successful_suspends,
wil->suspend_stats.r_on.failed_suspends,
wil->suspend_stats.r_on.successful_resumes,
wil->suspend_stats.r_on.failed_resumes,
wil->suspend_stats.rejected_by_device,
wil->suspend_stats.r_off.successful_suspends,
wil->suspend_stats.r_off.failed_suspends,
wil->suspend_stats.r_off.successful_resumes,
wil->suspend_stats.r_off.failed_resumes,
wil->suspend_stats.rejected_by_host);
n = min_t(int, n, sizeof(text));
n = min_t(int, n, text_size);
return simple_read_from_buffer(user_buf, count, ppos, text, n);
ret = simple_read_from_buffer(user_buf, count, ppos, text, n);
kfree(text);
return ret;
}
static const struct file_operations fops_suspend_stats = {

20
drivers/net/wireless/ath/wil6210/pcie_bus.c
View File

@ -391,14 +391,16 @@ static int wil6210_suspend(struct device *dev, bool is_runtime)
rc = wil_suspend(wil, is_runtime, keep_radio_on);
if (!rc) {
wil->suspend_stats.successful_suspends++;
/* In case radio stays on, platform device will control
* PCIe master
*/
if (!keep_radio_on)
if (!keep_radio_on) {
/* disable bus mastering */
pci_clear_master(pdev);
wil->suspend_stats.r_off.successful_suspends++;
} else {
wil->suspend_stats.r_on.successful_suspends++;
}
}
out:
return rc;
@ -424,11 +426,17 @@ static int wil6210_resume(struct device *dev, bool is_runtime)
rc = wil_resume(wil, is_runtime, keep_radio_on);
if (rc) {
wil_err(wil, "device failed to resume (%d)\n", rc);
wil->suspend_stats.failed_resumes++;
if (!keep_radio_on)
if (!keep_radio_on) {
pci_clear_master(pdev);
wil->suspend_stats.r_off.failed_resumes++;
} else {
wil->suspend_stats.r_on.failed_resumes++;
}
} else {
wil->suspend_stats.successful_resumes++;
if (keep_radio_on)
wil->suspend_stats.r_on.successful_resumes++;
else
wil->suspend_stats.r_off.successful_resumes++;
}
return rc;

8
drivers/net/wireless/ath/wil6210/pm.c
View File

@ -183,7 +183,7 @@ static int wil_suspend_keep_radio_on(struct wil6210_priv *wil)
break;
wil_err(wil,
"TO waiting for idle RX, suspend failed\n");
wil->suspend_stats.failed_suspends++;
wil->suspend_stats.r_on.failed_suspends++;
goto resume_after_fail;
}
wil_dbg_ratelimited(wil, "rx vring is not empty -> NAPI\n");
@ -199,7 +199,7 @@ static int wil_suspend_keep_radio_on(struct wil6210_priv *wil)
*/
if (!wil_is_wmi_idle(wil)) {
wil_err(wil, "suspend failed due to pending WMI events\n");
wil->suspend_stats.failed_suspends++;
wil->suspend_stats.r_on.failed_suspends++;
goto resume_after_fail;
}
@ -213,7 +213,7 @@ static int wil_suspend_keep_radio_on(struct wil6210_priv *wil)
if (rc) {
wil_err(wil, "platform device failed to suspend (%d)\n",
rc);
wil->suspend_stats.failed_suspends++;
wil->suspend_stats.r_on.failed_suspends++;
wil_c(wil, RGF_USER_CLKS_CTL_0, BIT_USER_CLKS_RST_PWGD);
wil_unmask_irq(wil);
goto resume_after_fail;
@ -260,6 +260,7 @@ static int wil_suspend_radio_off(struct wil6210_priv *wil)
rc = wil_down(wil);
if (rc) {
wil_err(wil, "wil_down : %d\n", rc);
wil->suspend_stats.r_off.failed_suspends++;
goto out;
}
}
@ -272,6 +273,7 @@ static int wil_suspend_radio_off(struct wil6210_priv *wil)
rc = wil->platform_ops.suspend(wil->platform_handle, false);
if (rc) {
wil_enable_irq(wil);
wil->suspend_stats.r_off.failed_suspends++;
goto out;
}
}

11
drivers/net/wireless/ath/wil6210/wil6210.h
View File

@ -82,12 +82,17 @@ static inline u32 WIL_GET_BITS(u32 x, int b0, int b1)
*/
#define WIL_MAX_MPDU_OVERHEAD (62)
struct wil_suspend_stats {
struct wil_suspend_count_stats {
unsigned long successful_suspends;
unsigned long failed_suspends;
unsigned long successful_resumes;
unsigned long failed_suspends;
unsigned long failed_resumes;
unsigned long rejected_by_device;
};
struct wil_suspend_stats {
struct wil_suspend_count_stats r_off;
struct wil_suspend_count_stats r_on;
unsigned long rejected_by_device; /* only radio on */
unsigned long rejected_by_host;
};