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-rw-r--r--include/net/cfg80211.h23
-rw-r--r--include/uapi/linux/nl80211.h19
2 files changed, 42 insertions, 0 deletions
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index e00045c150e7..cea77bf90cfe 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -10475,4 +10475,27 @@ cfg80211_s1g_get_primary_sibling(struct wiphy *wiphy,
return ieee80211_get_channel_khz(wiphy, sibling_1mhz_khz);
}
+
+/**
+ * cfg80211_incumbent_signal_notify - Notify userspace of incumbent signal detection
+ * @wiphy: the wiphy to use
+ * @chandef: channel definition in which the interference was detected
+ * @signal_interference_bitmap: bitmap indicating interference across 20 MHz segments
+ * @gfp: allocation context for message creation and multicast; pass GFP_ATOMIC
+ * if called from atomic context (e.g. firmware event handler), otherwise
+ * GFP_KERNEL
+ *
+ * Use this function to notify userspace when an incumbent signal is detected on
+ * the operating channel in the 6 GHz band. The notification includes the
+ * current channel definition and a bitmap representing interference across
+ * the operating bandwidth. Each bit in the bitmap corresponds to a 20 MHz
+ * segment, with the lowest bit representing the lowest frequency segment.
+ * Punctured sub-channels are included in the bitmap structure but are always
+ * set to zero since interference detection is not performed on them.
+ */
+void cfg80211_incumbent_signal_notify(struct wiphy *wiphy,
+ const struct cfg80211_chan_def *chandef,
+ u32 signal_interference_bitmap,
+ gfp_t gfp);
+
#endif /* __NET_CFG80211_H */
diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h
index c75aa039f096..fe2c8c8d6dd6 100644
--- a/include/uapi/linux/nl80211.h
+++ b/include/uapi/linux/nl80211.h
@@ -1361,6 +1361,12 @@
* user space that the NAN new cluster has been joined. The cluster ID is
* indicated by %NL80211_ATTR_MAC.
*
+ * @NL80211_CMD_INCUMBENT_SIGNAL_DETECT: Once any incumbent signal is detected
+ * on the operating channel in 6 GHz band, userspace is notified with the
+ * signal interference bitmap using
+ * %NL80211_ATTR_INCUMBENT_SIGNAL_INTERFERENCE_BITMAP. The current channel
+ * definition is also sent.
+ *
* @NL80211_CMD_MAX: highest used command number
* @__NL80211_CMD_AFTER_LAST: internal use
*/
@@ -1624,6 +1630,8 @@ enum nl80211_commands {
NL80211_CMD_NAN_NEXT_DW_NOTIFICATION,
NL80211_CMD_NAN_CLUSTER_JOINED,
+ NL80211_CMD_INCUMBENT_SIGNAL_DETECT,
+
/* add new commands above here */
/* used to define NL80211_CMD_MAX below */
@@ -2984,6 +2992,15 @@ enum nl80211_commands {
* this feature during association. This is a flag attribute.
* Currently only supported in mac80211 drivers.
*
+ * @NL80211_ATTR_INCUMBENT_SIGNAL_INTERFERENCE_BITMAP: u32 attribute specifying
+ * the signal interference bitmap detected on the operating bandwidth for
+ * %NL80211_CMD_INCUMBENT_SIGNAL_DETECT. Each bit represents a 20 MHz
+ * segment, lowest bit corresponds to the lowest 20 MHz segment, in the
+ * operating bandwidth where the interference is detected. Punctured
+ * sub-channels are included in the bitmap structure; however, since
+ * interference detection is not performed on these sub-channels, their
+ * corresponding bits are consistently set to zero.
+ *
* @NUM_NL80211_ATTR: total number of nl80211_attrs available
* @NL80211_ATTR_MAX: highest attribute number currently defined
* @__NL80211_ATTR_AFTER_LAST: internal use
@@ -3557,6 +3574,8 @@ enum nl80211_attrs {
NL80211_ATTR_UHR_CAPABILITY,
NL80211_ATTR_DISABLE_UHR,
+ NL80211_ATTR_INCUMBENT_SIGNAL_INTERFERENCE_BITMAP,
+
/* add attributes here, update the policy in nl80211.c */
__NL80211_ATTR_AFTER_LAST,