qcacmn: Add QCA vendor command to indicate STA MLD setup links removal

Add a new vendor command and attributes to indicate STA MLD setup links
removal.

Change-Id: If5dca34fa533fa76a8a1e8af456e3c893affbba0
CRs-Fixed: 3510765

os_if/linux/qca_vendor.h

@@ -697,6 +697,17 @@
  *	%NL80211_CMD_GET_SURVEY response.
  *	CU = %NL80211_SURVEY_INFO_TIME_BUSY * 100 / %NL80211_SURVEY_INFO_TIME.
  *	This command is only used for STA mode.
+ *
+ * @QCA_NL80211_VENDOR_SUBCMD_LINK_RECONFIG: Notify userspace about the removal
+ *	of STA MLD setup links due to AP MLD removing the corresponding
+ *	affiliated APs with Multi-Link reconfiguration. If all the STA MLD setup
+ *	links are removed during Multi-Link reconfiguration, the driver shall
+ *	use %NL80211_CMD_DISCONNECT instead of this command since it is a
+ *	connection drop. The attributes used with this command are defined in
+ *	enum qca_wlan_vendor_attr_link_reconfig.
+ *	Note that the attribute
+ *	%QCA_WLAN_VENDOR_ATTR_LINK_RECONFIG_AP_MLD_ADDR may not correspond to
+ *	the current connected AP MLD address.
  */
 
 enum qca_nl80211_vendor_subcmds {
@@ -955,6 +966,7 @@ enum qca_nl80211_vendor_subcmds {
 	QCA_NL80211_VENDOR_SUBCMD_ROAM_STATS = 226,
 	QCA_NL80211_VENDOR_SUBCMD_MLO_LINK_STATE = 227,
 	QCA_NL80211_VENDOR_SUBCMD_CONNECTED_CHANNEL_STATS = 228,
+	QCA_NL80211_VENDOR_SUBCMD_LINK_RECONFIG = 230,
 };
 
 enum qca_wlan_vendor_tos {
@@ -16278,4 +16290,25 @@ enum qca_wlan_vendor_attr_mlo_link_state {
 	QCA_WLAN_VENDOR_ATTR_LINK_STATE_MAX =
 	QCA_WLAN_VENDOR_ATTR_LINK_STATE_AFTER_LAST - 1,
 };
+
+/**
+ * enum qca_wlan_vendor_attr_link_reconfig: Definition of attributes used
+ * with %QCA_NL80211_VENDOR_SUBCMD_LINK_RECONFIG event.
+ *
+ * @QCA_WLAN_VENDOR_ATTR_LINK_RECONFIG_AP_MLD_ADDR: Required attribute.
+ * 6-byte AP MLD address of the AP which indicated the link reconfiguration.
+ *
+ * @QCA_WLAN_VENDOR_ATTR_LINK_RECONFIG_REMOVED_LINKS: Required u16 attribute.
+ * A bitmap of the removed setup links link IDs.
+ */
+enum qca_wlan_vendor_attr_link_reconfig {
+	QCA_WLAN_VENDOR_ATTR_LINK_RECONFIG_INVALID = 0,
+	QCA_WLAN_VENDOR_ATTR_LINK_RECONFIG_AP_MLD_ADDR = 1,
+	QCA_WLAN_VENDOR_ATTR_LINK_RECONFIG_REMOVED_LINKS = 2,
+
+	/* keep last */
+	QCA_WLAN_VENDOR_ATTR_LINK_RECONFIG_AFTER_LAST,
+	QCA_WLAN_VENDOR_ATTR_LINK_RECONFIG_MAX =
+	QCA_WLAN_VENDOR_ATTR_LINK_RECONFIG_AFTER_LAST - 1,
+};
 #endif