Add QCA vendor definitions for DFS radar history

Introduce definitions for QCA vendor specific subcommands and attributes
to report DFS radar history.

Signed-off-by: Hu Wang <huw@codeaurora.org>

diff --git a/src/common/qca-vendor.h b/src/common/qca-vendor.h
index 2c4e40d3ca6bf454dbc81114568c7d66efd09cb0..607e3316c189f35c006592af41f9aaaec9e109fa 100644 (file)
--- a/src/common/qca-vendor.h
+++ b/src/common/qca-vendor.h
@@ -712,6 +712,11 @@ enum qca_radiotap_vendor_ids {
  *     configurations, concurrency combinations, etc. The attributes used
  *     with this command are defined in
  *     enum qca_wlan_vendor_attr_usable_channels.
+ *
+ * @QCA_NL80211_VENDOR_SUBCMD_GET_RADAR_HISTORY: This vendor subcommand is used
+ *     to get DFS radar history from the driver to userspace. The driver
+ *     returns QCA_WLAN_VENDOR_ATTR_RADAR_HISTORY_ENTRIES attribute with an
+ *     array of nested entries.
  */
 enum qca_nl80211_vendor_subcmds {
        QCA_NL80211_VENDOR_SUBCMD_UNSPEC = 0,
@@ -900,6 +905,7 @@ enum qca_nl80211_vendor_subcmds {
        QCA_NL80211_VENDOR_SUBCMD_MBSSID_TX_VDEV_STATUS = 196,
        QCA_NL80211_VENDOR_SUBCMD_CONCURRENT_MULTI_STA_POLICY = 197,
        QCA_NL80211_VENDOR_SUBCMD_USABLE_CHANNELS = 198,
+       QCA_NL80211_VENDOR_SUBCMD_GET_RADAR_HISTORY = 199,
 };
 
 enum qca_wlan_vendor_attr {
@@ -10930,4 +10936,36 @@ enum qca_wlan_vendor_attr_usable_channels {
        QCA_WLAN_VENDOR_ATTR_USABLE_CHANNELS_AFTER_LAST - 1,
 };
 
+/**
+ * enum qca_wlan_vendor_attr_radar_history: Used by the vendor command
+ * QCA_NL80211_VENDOR_SUBCMD_GET_RADAR_HISTORY to get DFS radar history.
+ *
+ * @QCA_WLAN_VENDOR_ATTR_RADAR_HISTORY_ENTRIES: Nested attribute to carry
+ *     the list of radar history entries.
+ *     Each entry contains freq, timestamp, and radar signal detect flag.
+ *     The driver shall add an entry when CAC has finished, or radar signal
+ *     has been detected post AP beaconing. The driver shall maintain at least
+ *     8 entries in order to save CAC result for a 160 MHz channel.
+ * @QCA_WLAN_VENDOR_ATTR_RADAR_HISTORY_FREQ: u32 attribute.
+ *     Channel frequency in MHz.
+ * @QCA_WLAN_VENDOR_ATTR_RADAR_HISTORY_TIMESTAMP: u64 nanoseconds.
+ *     CLOCK_BOOTTIME timestamp when this entry is updated due to CAC
+ *     or radar detection.
+ * @QCA_WLAN_VENDOR_ATTR_RADAR_HISTORY_DETECTED: NLA_FLAG attribute.
+ *     This flag indicates radar signal has been detected.
+ */
+enum qca_wlan_vendor_attr_radar_history {
+       QCA_WLAN_VENDOR_ATTR_RADAR_HISTORY_INVALID = 0,
+
+       QCA_WLAN_VENDOR_ATTR_RADAR_HISTORY_ENTRIES = 1,
+       QCA_WLAN_VENDOR_ATTR_RADAR_HISTORY_FREQ = 2,
+       QCA_WLAN_VENDOR_ATTR_RADAR_HISTORY_TIMESTAMP = 3,
+       QCA_WLAN_VENDOR_ATTR_RADAR_HISTORY_DETECTED = 4,
+
+       /* keep last */
+       QCA_WLAN_VENDOR_ATTR_RADAR_HISTORY_LAST,
+       QCA_WLAN_VENDOR_ATTR_RADAR_HISTORY_MAX =
+       QCA_WLAN_VENDOR_ATTR_RADAR_HISTORY_LAST - 1,
+};
+
 #endif /* QCA_VENDOR_H */