Figure 24: Receive Buffer Descriptor Cycle - Broadcom BCM5722 Programmer's Manual

Programmer's Guide
10/15/07
MAC
DMA Read
List
Rx MAC
Initiator
DMA Write Engine
Document 5722-PG101-R
Engine
Host
Local
Coalescing
Memory
Engine

Figure 24: Receive Buffer Descriptor Cycle

Bro adco m Co rp or atio n
RX
Standard
Producer
Ring
Interrupt
Service
Routine
RX
Return
Ring 1
RX
Return
Ring 2
RX
Return
Ring 3
RX
Return
Ring 4
BCM5722
Device
Driver
RX Return Packet
Protocol Interface
(i.e. TCP/IP)
RX Indicate
Available
Introduction Page 60