qcacmn: Define a QCA vendor command to configure MLO link id for TDLS

Define a QCA vendor command to configure MLO link id to the driver on
which the TDLS discovery response frame needs to be transmitted when the
local station is connected in MLO mode. This command is configured to
the driver the prior to every TDLS discover frame transmission when the
station is connected in MLO mode. If the station is connected in non-MLO
mode this command is not configured to the driver for TDLS discovery
frame transmission.

Change-Id: I5815a604d44549cd650744e3fd8c8ca79a076dbc
CRs-Fixed: 3523774

os_if/linux/qca_vendor.h

@@ -718,6 +718,24 @@
  *	Note that the attribute
  *	%QCA_WLAN_VENDOR_ATTR_LINK_RECONFIG_AP_MLD_ADDR may not correspond to
  *	the current connected AP MLD address.
+ *
+ * @QCA_NL80211_VENDOR_SUBCMD_TDLS_DISC_RSP_EXT: Vendor command to configure
+ *	the driver with MLO link id information on which to transmit the TDLS
+ *	discovery response frame on the configured MLO BSS link when the
+ *	local station is connected in MLO mode. This command is sent to the
+ *	driver prior to the TDLS discovery response management transmit
+ *	operation and is followed immediately by the TDLS discovery response
+ *	management frame transmit command.
+ *
+ *	The driver saves the configured MLO link id information and uses it for
+ *	the following TDLS discovery response frame transmission on the
+ *	configured MLO BSS link and the link id information is cleared in the
+ *	driver after the TDLS discovery response frame is successfully
+ *	transmitted. This behavior is indepent of the TDLS peer STA connection
+ *	mode (MLO or non-MLO).
+ *
+ *	Uses the attributes defined in
+ *	enum qca_wlan_vendor_attr_tdls_disc_rsp_ext.
  */
 
 enum qca_nl80211_vendor_subcmds {
@@ -978,6 +996,7 @@ enum qca_nl80211_vendor_subcmds {
 	QCA_NL80211_VENDOR_SUBCMD_CONNECTED_CHANNEL_STATS = 228,
 	QCA_NL80211_VENDOR_SUBCMD_TID_TO_LINK_MAP = 229,
 	QCA_NL80211_VENDOR_SUBCMD_LINK_RECONFIG = 230,
+	QCA_NL80211_VENDOR_SUBCMD_TDLS_DISC_RSP_EXT = 231,
 };
 
 enum qca_wlan_vendor_tos {
@@ -16378,4 +16397,23 @@ enum qca_wlan_vendor_attr_link_reconfig {
 	QCA_WLAN_VENDOR_ATTR_LINK_RECONFIG_MAX =
 	QCA_WLAN_VENDOR_ATTR_LINK_RECONFIG_AFTER_LAST - 1,
 };
+
+/**
+ * enum qca_wlan_vendor_attr_tdls_disc_rsp_ext - Attributes used by
+ * %QCA_NL80211_VENDOR_SUBCMD_TDLS_DISC_RSP_EXT vendor command.
+ *
+ * @QCA_WLAN_VENDOR_ATTR_TDLS_DISC_RSP_EXT_TX_LINK: u8 attribute.
+ * Indicates the MLO link id on which the TDLS discovery response
+ * frame is to be transmitted.
+ */
+enum qca_wlan_vendor_attr_tdls_disc_rsp_ext {
+	QCA_WLAN_VENDOR_ATTR_TDLS_DISC_RSP_EXT_INVALID = 0,
+	QCA_WLAN_VENDOR_ATTR_TDLS_DISC_RSP_EXT_TX_LINK = 1,
+
+	/* Keep last */
+	QCA_WLAN_VENDOR_ATTR_TDLS_DISC_RSP_EXT_AFTER_LAST,
+	QCA_WLAN_VENDOR_ATTR_TDLS_DISC_RSP_EXT_MAX =
+	QCA_WLAN_VENDOR_ATTR_TDLS_DISC_RSP_EXT_AFTER_LAST - 1,
+};
+
 #endif