cfg80211: Add support to sched scan to report better BSSs

[platform/kernel/linux-exynos.git] / include / uapi / linux / nl80211.h

diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h
index 908886c..6b17feb 100644 (file)
--- a/include/uapi/linux/nl80211.h
+++ b/include/uapi/linux/nl80211.h
@@ -1982,6 +1982,20 @@ enum nl80211_commands {
  * @NL80211_ATTR_BSSID: The BSSID of the AP. Note that %NL80211_ATTR_MAC is also
  *     used in various commands/events for specifying the BSSID.
  *
+ * @NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI: Relative RSSI threshold by which
+ *     other BSSs has to be better or slightly worse than the current
+ *     connected BSS so that they get reported to user space.
+ *     This will give an opportunity to userspace to consider connecting to
+ *     other matching BSSs which have better or slightly worse RSSI than
+ *     the current connected BSS by using an offloaded operation to avoid
+ *     unnecessary wakeups.
+ *
+ * @NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST: When present the RSSI level for BSSs in
+ *     the specified band is to be adjusted before doing
+ *     %NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI based comparision to figure out
+ *     better BSSs. The attribute value is a packed structure
+ *     value as specified by &struct nl80211_bss_select_rssi_adjust.
+ *
  * @NUM_NL80211_ATTR: total number of nl80211_attrs available
  * @NL80211_ATTR_MAX: highest attribute number currently defined
  * @__NL80211_ATTR_AFTER_LAST: internal use
@@ -2388,6 +2402,9 @@ enum nl80211_attrs {
 
        NL80211_ATTR_BSSID,
 
+       NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI,
+       NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST,
+
        /* add attributes here, update the policy in nl80211.c */
 
        __NL80211_ATTR_AFTER_LAST,
@@ -3080,6 +3097,13 @@ enum nl80211_reg_rule_attr {
  *     how this API was implemented in the past. Also, due to the same problem,
  *     the only way to create a matchset with only an RSSI filter (with this
  *     attribute) is if there's only a single matchset with the RSSI attribute.
+ * @NL80211_SCHED_SCAN_MATCH_ATTR_RELATIVE_RSSI: Flag indicating whether
+ *     %NL80211_SCHED_SCAN_MATCH_ATTR_RSSI to be used as absolute RSSI or
+ *     relative to current bss's RSSI.
+ * @NL80211_SCHED_SCAN_MATCH_ATTR_RSSI_ADJUST: When present the RSSI level for
+ *     BSS-es in the specified band is to be adjusted before doing
+ *     RSSI-based BSS selection. The attribute value is a packed structure
+ *     value as specified by &struct nl80211_bss_select_rssi_adjust.
  * @NL80211_SCHED_SCAN_MATCH_ATTR_MAX: highest scheduled scan filter
  *     attribute number currently defined
  * @__NL80211_SCHED_SCAN_MATCH_ATTR_AFTER_LAST: internal use
@@ -3089,6 +3113,8 @@ enum nl80211_sched_scan_match_attr {
 
        NL80211_SCHED_SCAN_MATCH_ATTR_SSID,
        NL80211_SCHED_SCAN_MATCH_ATTR_RSSI,
+       NL80211_SCHED_SCAN_MATCH_ATTR_RELATIVE_RSSI,
+       NL80211_SCHED_SCAN_MATCH_ATTR_RSSI_ADJUST,
 
        /* keep last */
        __NL80211_SCHED_SCAN_MATCH_ATTR_AFTER_LAST,
@@ -4703,6 +4729,9 @@ enum nl80211_feature_flags {
  *     in @NL80211_CMD_FRAME while not associated.
  * @NL80211_EXT_FEATURE_MGMT_TX_RANDOM_TA_CONNECTED: This driver supports
  *     randomized TA in @NL80211_CMD_FRAME while associated.
+ * @NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI: The driver supports sched_scan
+ *     for reporting BSSs with better RSSI than the current connected BSS
+ *     (%NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI).
  *
  * @NUM_NL80211_EXT_FEATURES: number of extended features.
  * @MAX_NL80211_EXT_FEATURES: highest extended feature index.
@@ -4720,6 +4749,7 @@ enum nl80211_ext_feature_index {
        NL80211_EXT_FEATURE_FILS_STA,
        NL80211_EXT_FEATURE_MGMT_TX_RANDOM_TA,
        NL80211_EXT_FEATURE_MGMT_TX_RANDOM_TA_CONNECTED,
+       NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI,
 
        /* add new features before the definition below */
        NUM_NL80211_EXT_FEATURES,