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Commit fb4ff828 authored by Dedy Lansky's avatar Dedy Lansky Committed by Alexei Avshalom Lazar
Browse files

wil6210: add sysfs for setting connect SNR threshold 



snr_thresh sysfs can be used to set omni and direct SNR threshold for
connection.

Change-Id: I091a6b61a1a4cb98e0e8c0f70b2fff4d22486e61
Signed-off-by: default avatarDedy Lansky <dlansky@codeaurora.org>
CRs-Fixed: 2143032
Signed-off-by: default avatarAlexei Avshalom Lazar <ailizaro@codeaurora.org>
parent 9101b7a7

drivers/net/wireless/ath/wil6210/main.c

+4 −0
Original line number Diff line number Diff line
@@ -1088,6 +1088,10 @@ int wil_reset(struct wil6210_priv *wil, bool load_fw) 


		wil_collect_fw_info(wil);



		if (wil->snr_thresh.enabled)

			wmi_set_snr_thresh(wil, wil->snr_thresh.omni,

					   wil->snr_thresh.direct);



		if (wil->platform_ops.notify) {

			rc = wil->platform_ops.notify(wil->platform_handle,

						      WIL_PLATFORM_EVT_FW_RDY);

drivers/net/wireless/ath/wil6210/sysfs.c

+39 −0
Original line number Diff line number Diff line
@@ -268,10 +268,49 @@ static DEVICE_ATTR(fst_link_loss, 0644, 
		   wil_fst_link_loss_sysfs_show,

		   wil_fst_link_loss_sysfs_store);



static ssize_t

wil_snr_thresh_sysfs_show(struct device *dev, struct device_attribute *attr,

			  char *buf)

{

	struct wil6210_priv *wil = dev_get_drvdata(dev);

	ssize_t len = 0;



	if (wil->snr_thresh.enabled)

		len = snprintf(buf, PAGE_SIZE, "omni=%d, direct=%d\n",

			       wil->snr_thresh.omni, wil->snr_thresh.direct);



	return len;

}



static ssize_t

wil_snr_thresh_sysfs_store(struct device *dev,

			   struct device_attribute *attr,

			   const char *buf, size_t count)

{

	struct wil6210_priv *wil = dev_get_drvdata(dev);

	int rc;

	short omni, direct;



	/* to disable snr threshold, set both omni and direct to 0 */

	if (sscanf(buf, "%hd %hd", &omni, &direct) != 2)

		return -EINVAL;



	rc = wmi_set_snr_thresh(wil, omni, direct);

	if (!rc)

		rc = count;



	return rc;

}



static DEVICE_ATTR(snr_thresh, 0644,

		   wil_snr_thresh_sysfs_show,

		   wil_snr_thresh_sysfs_store);



static struct attribute *wil6210_sysfs_entries[] = {

	&dev_attr_ftm_txrx_offset.attr,

	&dev_attr_thermal_throttling.attr,

	&dev_attr_fst_link_loss.attr,

	&dev_attr_snr_thresh.attr,

	NULL

};

drivers/net/wireless/ath/wil6210/wil6210.h

+7 −0
Original line number Diff line number Diff line
@@ -739,6 +739,11 @@ struct wil6210_priv { 
	struct wil_ftm_priv ftm;

	bool tt_data_set;

	struct wmi_tt_data tt_data;

	struct {

		bool enabled;

		short omni;

		short direct;

	} snr_thresh;



#ifdef CONFIG_PM

#ifdef CONFIG_PM_SLEEP
@@ -1050,4 +1055,6 @@ int wmi_link_maintain_cfg_write(struct wil6210_priv *wil, 
				const u8 *addr,

				bool fst_link_loss);



int wmi_set_snr_thresh(struct wil6210_priv *wil, short omni, short direct);



#endif /* __WIL6210_H__ */

drivers/net/wireless/ath/wil6210/wmi.c

+29 −0
Original line number Diff line number Diff line
@@ -2150,3 +2150,32 @@ bool wil_is_wmi_idle(struct wil6210_priv *wil) 
	spin_unlock_irqrestore(&wil->wmi_ev_lock, flags);

	return rc;

}



int wmi_set_snr_thresh(struct wil6210_priv *wil, short omni, short direct)

{

	int rc;

	struct wmi_set_connect_snr_thr_cmd cmd = {

		.enable = true,

		.omni_snr_thr = cpu_to_le16(omni),

		.direct_snr_thr = cpu_to_le16(direct),

	};



	if (!test_bit(WMI_FW_CAPABILITY_CONNECT_SNR_THR, wil->fw_capabilities))

		return -ENOTSUPP;



	if (omni == 0 && direct == 0)

		cmd.enable = false;



	wil_dbg_wmi(wil, "%s snr thresh omni=%d, direct=%d (1/4 dB units)\n",

		    cmd.enable ? "enable" : "disable", omni, direct);



	rc = wmi_send(wil, WMI_SET_CONNECT_SNR_THR_CMDID, &cmd, sizeof(cmd));

	if (rc)

		return rc;



	wil->snr_thresh.enabled = cmd.enable;

	wil->snr_thresh.omni = omni;

	wil->snr_thresh.direct = direct;



	return 0;

}

drivers/net/wireless/ath/wil6210/wmi.h

+1 −0
Original line number Diff line number Diff line
@@ -71,6 +71,7 @@ enum wmi_fw_capability { 
	WMI_FW_CAPABILITY_RSSI_REPORTING		= 12,

	WMI_FW_CAPABILITY_SET_SILENT_RSSI_TABLE		= 13,

	WMI_FW_CAPABILITY_LO_POWER_CALIB_FROM_OTP	= 14,

	WMI_FW_CAPABILITY_CONNECT_SNR_THR		= 16,

	WMI_FW_CAPABILITY_MAX,

};