From 77fcd74753747eb1698ffc6e0b13748e670d543f Mon Sep 17 00:00:00 2001
From: Visweswara Tanuku <vtanuku@codeaurora.org>
Date: Thu, 4 Oct 2018 12:15:12 +0530
Subject: [PATCH] QCA vendor subcommand and attributes to configure capture of
 CFR data

Add a subcommand for Channel Frequency Response (CFG) Capture
Configuration and define attributes for configuring CFR capture
parameters per peer and enabling/disabling CFR capture.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
---
 src/common/qca-vendor.h | 66 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)

diff --git a/src/common/qca-vendor.h b/src/common/qca-vendor.h
index 72140f386..0f8ae2f79 100644
--- a/src/common/qca-vendor.h
+++ b/src/common/qca-vendor.h
@@ -469,6 +469,11 @@ enum qca_radiotap_vendor_ids {
  *	qca_wlan_vendor_attr_roam_scan. Some drivers may not send these events
  *	in few cases, e.g., if the host processor is sleeping when this event
  *	is generated in firmware.
+ *
+ * @QCA_NL80211_VENDOR_SUBCMD_PEER_CFR_CAPTURE_CFG: This command is used to
+ *	configure parameters per peer to capture Channel Frequency Response
+ *	(CFR) and enable Periodic CFR capture. The attributes for this command
+ *	are defined in enum qca_wlan_vendor_peer_cfr_capture_attr.
  */
 enum qca_nl80211_vendor_subcmds {
 	QCA_NL80211_VENDOR_SUBCMD_UNSPEC = 0,
@@ -630,6 +635,7 @@ enum qca_nl80211_vendor_subcmds {
 	QCA_NL80211_VENDOR_SUBCMD_BSS_FILTER = 170,
 	QCA_NL80211_VENDOR_SUBCMD_NAN_EXT = 171,
 	QCA_NL80211_VENDOR_SUBCMD_ROAM_SCAN_EVENT = 172,
+	QCA_NL80211_VENDOR_SUBCMD_PEER_CFR_CAPTURE_CFG = 173,
 };
 
 enum qca_wlan_vendor_attr {
@@ -5920,4 +5926,64 @@ enum qca_wlan_vendor_attr_roam_scan {
 	QCA_WLAN_VENDOR_ATTR_ROAM_SCAN_AFTER_LAST - 1,
 };
 
+/**
+ * enum qca_wlan_vendor_cfr_method - QCA vendor CFR methods used by
+ * attribute QCA_WLAN_VENDOR_ATTR_PEER_CFR_METHOD as part of vendor
+ * command QCA_NL80211_VENDOR_SUBCMD_PEER_CFR_CAPTURE_CFG.
+ */
+enum qca_wlan_vendor_cfr_method {
+	/* CFR method using QOS Null frame */
+	QCA_WLAN_VENDOR_CFR_METHOD_QOS_NULL = 0,
+};
+
+/**
+ * enum qca_wlan_vendor_peer_cfr_capture_attr - Used by the vendor command
+ * QCA_NL80211_VENDOR_SUBCMD_PEER_CFR_CAPTURE_CFG to configure peer
+ * Channel Frequency Response capture parameters and enable periodic CFR
+ * capture.
+ */
+enum qca_wlan_vendor_peer_cfr_capture_attr {
+	QCA_WLAN_VENDOR_ATTR_PEER_CFR_CAPTURE_INVALID = 0,
+	/* 6-byte MAC address of the peer.
+	 * This attribute is mandatory.
+	 */
+	QCA_WLAN_VENDOR_ATTR_CFR_PEER_MAC_ADDR = 1,
+	/* Enable peer CFR Capture, flag attribute.
+	 * This attribute is mandatory to enable peer CFR capture.
+	 * If this attribute is not present, peer CFR capture is disabled.
+	 */
+	QCA_WLAN_VENDOR_ATTR_PEER_CFR_ENABLE = 2,
+	/* BW of measurement, attribute uses the values in enum nl80211_chan_width
+	 * Supported values: 20, 40, 80, 80+80, 160.
+	 * Note that all targets may not support all bandwidths.
+	 * u8 attribute. This attribute is mandatory if attribute
+	 * QCA_WLAN_VENDOR_ATTR_PEER_CFR_ENABLE is used.
+	 */
+	QCA_WLAN_VENDOR_ATTR_PEER_CFR_BANDWIDTH = 3,
+	/* Periodicity of CFR measurement in msec.
+	 * Periodicity should be a multiple of Base timer.
+	 * Current Base timer value supported is 10 msecs (default).
+	 * 0 for one shot capture. u32 attribute.
+	 * This attribute is mandatory if attribute
+	 * QCA_WLAN_VENDOR_ATTR_PEER_CFR_ENABLE is used.
+	 */
+	QCA_WLAN_VENDOR_ATTR_PEER_CFR_PERIODICITY = 4,
+	/* Method used to capture Channel Frequency Response.
+	 * Attribute uses the values defined in enum qca_wlan_vendor_cfr_method.
+	 * u8 attribute. This attribute is mandatory if attribute
+	 * QCA_WLAN_VENDOR_ATTR_PEER_CFR_ENABLE is used.
+	 */
+	QCA_WLAN_VENDOR_ATTR_PEER_CFR_METHOD = 5,
+	/* Enable periodic CFR capture, flag attribute.
+	 * This attribute is mandatory to enable Periodic CFR capture.
+	 * If this attribute is not present, periodic CFR capture is disabled.
+	 */
+	QCA_WLAN_VENDOR_ATTR_PERIODIC_CFR_CAPTURE_ENABLE = 6,
+
+	/* Keep last */
+	QCA_WLAN_VENDOR_ATTR_PEER_CFR_AFTER_LAST,
+	QCA_WLAN_VENDOR_ATTR_PEER_CFR_MAX =
+	QCA_WLAN_VENDOR_ATTR_PEER_CFR_AFTER_LAST - 1,
+};
+
 #endif /* QCA_VENDOR_H */