wifi: ieee80211: define some UHR link reconfiguration frame types

Define some values needed for UHR link reconfiguration frames,
in particular to prepare for UHR mode change request/handling.

Link: https://patch.msgid.link/20260529102644.03029bae6447.If22b0c1e10d9db712dca408a420469b3d385b4ea@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

2 files changed, 68 insertions, 0 deletions

diff --git a/include/linux/ieee80211-uhr.h b/include/linux/ieee80211-uhr.h
index f4f4bd8256df..71faf4a6825e 100644
--- a/include/linux/ieee80211-uhr.h
+++ b/include/linux/ieee80211-uhr.h
@@ -8,6 +8,7 @@
 #define LINUX_IEEE80211_UHR_H
 
 #include <linux/types.h>
+#include <linux/bitfield.h>
 #include <linux/if_ether.h>
 
 #define IEEE80211_UHR_OPER_PARAMS_DPS_ENA		0x0001
@@ -463,4 +464,54 @@ struct ieee80211_smd_info {
 	__le16 timeout;
 } __packed;
 
+enum ieee80211_protected_uhr_action {
+	IEEE80211_PROTECTED_UHR_ACTION_LINK_RECONFIG_REQUEST	= 0,
+	IEEE80211_PROTECTED_UHR_ACTION_LINK_RECONFIG_RESPONSE	= 1,
+	IEEE80211_PROTECTED_UHR_ACTION_LINK_RECONFIG_NOTIFY	= 2,
+};
+
+enum ieee80211_uhr_link_reconfig_request_type {
+	IEEE80211_UHR_LINK_RECONFIG_REQUEST_ST_PREP		= 0,
+	IEEE80211_UHR_LINK_RECONFIG_REQUEST_ST_EXEC		= 1,
+	IEEE80211_UHR_LINK_RECONFIG_REQUEST_OMP_REQUEST		= 3,
+};
+
+enum ieee80211_uhr_link_reconfig_response_type {
+	IEEE80211_UHR_LINK_RECONFIG_RESPONSE_ST_PREP		= 0,
+	IEEE80211_UHR_LINK_RECONFIG_RESPONSE_ST_EXEC		= 1,
+};
+
+enum ieee80211_uhr_link_reconfig_notify_type {
+	IEEE80211_UHR_LINK_RECONFIG_NOTIFY_DL_DRAINED		= 2,
+	IEEE80211_UHR_LINK_RECONFIG_NOTIFY_OMP_RESPONSE		= 3,
+};
+
+enum ieee80211_uhr_mode_change_control {
+	IEEE80211_UHR_MODE_CHANGE_CONTROL_MODE_ID		= 0x003f,
+	IEEE80211_UHR_MODE_CHANGE_CONTROL_MODE_ENABLE		= 0x0040,
+	IEEE80211_UHR_MODE_CHANGE_CONTROL_MODE_UPDATE		= 0x0080,
+	IEEE80211_UHR_MODE_CHANGE_CONTROL_MODE_LENGTH		= 0x0f00,
+	IEEE80211_UHR_MODE_CHANGE_CONTROL_MODE_SPECIFIC		= 0xf000,
+};
+
+enum ieee80211_uhr_mode_change_mode_id {
+	IEEE80211_UHR_MODE_CHANGE_MODE_ID_DPS			= 0,
+	IEEE80211_UHR_MODE_CHANGE_MODE_ID_NPCA			= 1,
+	IEEE80211_UHR_MODE_CHANGE_MODE_ID_DUO			= 2,
+	IEEE80211_UHR_MODE_CHANGE_MODE_ID_DSO			= 3,
+	IEEE80211_UHR_MODE_CHANGE_MODE_ID_P_EDCA		= 4,
+	IEEE80211_UHR_MODE_CHANGE_MODE_ID_ELR_RX		= 5,
+	IEEE80211_UHR_MODE_CHANGE_MODE_ID_AOM			= 6,
+	IEEE80211_UHR_MODE_CHANGE_MODE_ID_LLI			= 7,
+	IEEE80211_UHR_MODE_CHANGE_MODE_ID_CO_BF			= 8,
+	IEEE80211_UHR_MODE_CHANGE_MODE_ID_CO_SR			= 9,
+	IEEE80211_UHR_MODE_CHANGE_MODE_ID_EMLSR			= 10,
+	IEEE80211_UHR_MODE_CHANGE_MODE_ID_DBE			= 11,
+};
+
+struct ieee80211_uhr_mode_change_tuple {
+	__le16 control;
+	u8 variable[];
+} __packed;
+
 #endif /* LINUX_IEEE80211_UHR_H */
diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index 11106589acc6..d40484451e9a 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -1174,6 +1174,22 @@ struct ieee80211_mgmt {
 					u8 control;
 					u8 variable[];
 				} __packed eml_omn;
+				struct {
+					u8 dialog_token;
+					u8 type;
+					u8 variable[];
+				} __packed uhr_link_reconf_req;
+				struct {
+					u8 dialog_token;
+					u8 type;
+					u8 count;
+					u8 variable[];
+				} __packed uhr_link_reconf_resp;
+				struct {
+					u8 dialog_token;
+					u8 type;
+					u8 variable[];
+				} __packed uhr_link_reconf_notif;
 			};
 		} __packed action;
 		DECLARE_FLEX_ARRAY(u8, body); /* Generic frame body */
@@ -1837,6 +1853,7 @@ enum ieee80211_category {
 	WLAN_CATEGORY_VHT = 21,
 	WLAN_CATEGORY_S1G = 22,
 	WLAN_CATEGORY_PROTECTED_EHT = 37,
+	WLAN_CATEGORY_PROTECTED_UHR = 43,
 	WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
 	WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
 };