Broadcom BCM5722 - Figure 24: Receive Buffer Descriptor Cycle

Programmer’s Guide BCM5722
10/15/07
Broadcom Corporation
Document 5722-PG101-R Introduction Page 60
Figure 24: Receive Buffer Descriptor Cycle
RX
Standard
Producer
Ring
RX
Return
Ring 1
RX
Return
Ring 2
RX
Return
Ring 3
RX
Return
Ring 4
DMA Read
Engine
Local
Memory
List
Initiator
DMA Write Engine
Interrupt
Service
Routine
RX Indicate
Available
Rx MAC
RX Return Packet
Protocol Interface
(i.e. TCP/IP)
Device
Driver
MAC
Host
Coalescing
Engine