MEDIATEK Ralink MT7620 - Table 2-3 Rule Mask; Table 2-4 Rate Control; Table 2-5 Rule Control

PGMT7620_V.1.0_040503
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MT7620 PROGRAMMING GUIDE
Integrated 802.11n MAC/BBP and 2.4 GHz RF/FEM Router-on-a-Chip
2.20.6.3 ACL Rule Control
Table 2-3 Rule Mask
Bytes
Bits
Name
Description
7:0
63:0
HIT_PAT
Hit Pattern
When a valid bit is set in this table, it means that the
corresponding pattern in the rule table must be hit and
necessary.
If all the valid bits can be found in the rule flag, then the rule
control can be applied on this packet.
Table 2-4 Rate Control
Bytes
Bits
Name
Description
1:0
13:0
RATE
Per Flow Ingress Rate Limit Control
Per the rate limit, multiple rule controls can constrain one
packet. Generally, the minimum ingress rate will limit the flow
rate.
14’h0: 0 * 64 Kbps
14’h1: 1 * 64 Kbps
14’h2: 2 * 64 Kbps
…
14’h3D09: 15625 * 64 Kbps (1000 Mbps)
14
RES
Reserved
15
RATE_EN
Per Flow Ingress Rate Limit Enable (Multi/First)
3:2
14:0
RATE_ACCU
Per Flow Ingress Rate Limit Accumulator
15
-
Reserved
Table 2-5 Rule Control
Bytes
Bits
Name
Description
0
2:0
PORT_FW
Frame TO_CPU Forwarding
3’b0xx: System Default (Disable)
3’b100: System Default and CPU Port Excluded
3’b101: System Default and CPU Port Included
3’b110: CPU Port Only (As long as the ingress port is not the CPU port. If
the ingress port is the CPU port, then the system default and CPU
port are excluded.)
3’b111: Frame Dropped
3
MIR_EN
Frame Copy to Mirror Port
6:4
PRI_USER
User Priority from ACL
7
PORT_EN
Force Destination Port Selection
1’b0: Destination port is based on ARL or register
1’b1: Destination port is based on PORT.
1
7:0
PORT
Destination Port Member / VLAN Port Member