qcacmn: Vendor attribute to configure QoS/AC upgrade for UDP frames

Introduce a new attribute to configure access category
override for UDP frames of BE/BK category. Unlike, the
earlier attribute QCA_WLAN_VENDOR_ATTR_CONFIG_UDP_QOS_UPGRADE
which will override for all UDP frames, this attribute is
for overriding only for BE/BK based UDP frames.

CRs-Fixed: 3332609
Change-Id: Ife6104b97bca83653fdcac31f2c91007d1aa6f2a

os_if/linux/qca_vendor.h

@@ -5053,6 +5053,14 @@ enum qca_wlan_vendor_attr_config {
 	 * That said, it is not intended to downgrade the QOS for the frames.
 	 * Set the value to 0 ( corresponding to BE ) if the QOS upgrade needs
 	 * to disable.
+	 *
+	 * If only UDP frames of BE or BK access category needs to be upgraded
+	 * without changing the access category of VO or VI UDP frames, refer to
+	 * attribute QCA_WLAN_VENDOR_ATTR_CONFIG_UDP_QOS_UPGRADE_FOR_BE_BK.
+	 *
+	 * This attribute is not recommended to be used as it blindly forces all
+	 * UDP packets to a higher access category which could impact the
+	 * traffic pattern of all apps using UDP and can cause unknown behavior.
 	 */
 	QCA_WLAN_VENDOR_ATTR_CONFIG_UDP_QOS_UPGRADE = 72,
 
@@ -5172,6 +5180,32 @@ enum qca_wlan_vendor_attr_config {
 	 */
 	QCA_WLAN_VENDOR_ATTR_CONFIG_DBAM = 83,
 
+	/* 8-bit unsigned value. This attribute takes the QoS/access category
+	 * value represented by the enum qca_wlan_ac_type and expects the driver
+	 * to upgrade the UDP frames of BE or BK access category to this access
+	 * category. This attribute will not modify UDP frames of VO or VI
+	 * access category. The value of QCA_WLAN_AC_ALL is invalid for this
+	 * attribute.
+	 *
+	 * This will override the DSCP value configured in the frame with the
+	 * intention to only upgrade the access category. That said, it is not
+	 * intended to downgrade the access category for the frames.
+	 * Set the value to QCA_WLAN_AC_BK if the QoS upgrade needs to be
+	 * disabled, as BK is of the lowest priority and an upgrade to it does
+	 * not result in any changes for the frames.
+	 *
+	 * This attribute behavior is similar to
+	 * QCA_WLAN_VENDOR_ATTR_CONFIG_UDP_QOS_UPGRADE with the difference that
+	 * only UDP frames of BE or BK access category are upgraded and not
+	 * UDP frames of VI or VO access category.
+	 *
+	 * This attribute is not recommended to be used as it blindly forces all
+	 * UDP packets of BE or BK access category to a higher access category
+	 * which could impact the traffic pattern of all apps using UDP and can
+	 * cause unknown behavior.
+	 */
+	QCA_WLAN_VENDOR_ATTR_CONFIG_UDP_QOS_UPGRADE_FOR_BE_BK = 84,
+
 	/* 8-bit unsigned value to configure the driver to enable/disable the
 	 * periodic sounding for Tx beamformer functionality. The default
 	 * behavior uses algorithm to do sounding based on packet stats.