Edimax Technology AR-7211B V2 manual You can choose stream based, 802.1p based or DSCP, Field

Field		Description
IP QoS		Select to enable or disable IP QoS function. You need
		to enable IP QoS if you want to configure the
		parameters of this page.
QoS Policy		You can choose stream based, 802.1p based or DSCP
		based.
Schedule Mode		You can choose strict prior or WFQ (4:3:2:1).
Source IP		The IP address of the source data packet.
Source Mask		The subnet mask of the source IP address.
Destination IP		The IP address of the destination data packet.
Destination Mask		The subnet mask of the destination IP address.
Source Port		The port of the source data packet.
Destination Port		The port of the destination data packet.
Protocol		The protocol responds to the IP QoS rules. You can
		choose TCP, UDP, or ICMP.
Phy Port		The LAN interface responds to the IP QoS rules.
Set priority		The priority of the IP QoS rules. P0 is the highest
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