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author | Lazar Alexei <qca_ailizaro@qca.qualcomm.com> | 2017-11-14 15:25:44 +0200 |
---|---|---|
committer | Kalle Valo <kvalo@qca.qualcomm.com> | 2017-12-02 16:19:17 +0200 |
commit | bd8bdc6ca8180afe21724cbd362847517a73b213 (patch) | |
tree | c11adc407b545bb478eb7831154d98adbeaedc8d /drivers | |
parent | 05898dd98830f62e60faa41a4ec6acecb9d6cdd1 (diff) | |
download | linux-stable-bd8bdc6ca8180afe21724cbd362847517a73b213.tar.gz linux-stable-bd8bdc6ca8180afe21724cbd362847517a73b213.tar.bz2 linux-stable-bd8bdc6ca8180afe21724cbd362847517a73b213.zip |
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>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/net/wireless/ath/wil6210/debugfs.c | 47 | ||||
-rw-r--r-- | drivers/net/wireless/ath/wil6210/pcie_bus.c | 20 | ||||
-rw-r--r-- | drivers/net/wireless/ath/wil6210/pm.c | 8 | ||||
-rw-r--r-- | drivers/net/wireless/ath/wil6210/wil6210.h | 11 |
4 files changed, 59 insertions, 27 deletions
diff --git a/drivers/net/wireless/ath/wil6210/debugfs.c b/drivers/net/wireless/ath/wil6210/debugfs.c index edaab0f5a11e..4475937faf25 100644 --- a/drivers/net/wireless/ath/wil6210/debugfs.c +++ b/drivers/net/wireless/ath/wil6210/debugfs.c @@ -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; + + text = kmalloc(text_size, GFP_KERNEL); + if (!text) + return -ENOMEM; - n = snprintf(text, sizeof(text), - "Suspend statistics:\n" + 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); - - n = min_t(int, n, sizeof(text)); - - return simple_read_from_buffer(user_buf, count, ppos, text, n); + "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, text_size); + + ret = simple_read_from_buffer(user_buf, count, ppos, text, n); + + kfree(text); + + return ret; } static const struct file_operations fops_suspend_stats = { diff --git a/drivers/net/wireless/ath/wil6210/pcie_bus.c b/drivers/net/wireless/ath/wil6210/pcie_bus.c index 0592c73745cb..42a5480c764d 100644 --- a/drivers/net/wireless/ath/wil6210/pcie_bus.c +++ b/drivers/net/wireless/ath/wil6210/pcie_bus.c @@ -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; diff --git a/drivers/net/wireless/ath/wil6210/pm.c b/drivers/net/wireless/ath/wil6210/pm.c index 9fba237be358..056b180fad7f 100644 --- a/drivers/net/wireless/ath/wil6210/pm.c +++ b/drivers/net/wireless/ath/wil6210/pm.c @@ -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; } } diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h index ea04117f2adf..cf27d9711dde 100644 --- a/drivers/net/wireless/ath/wil6210/wil6210.h +++ b/drivers/net/wireless/ath/wil6210/wil6210.h @@ -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; }; |