82596CA Datasheet, PDF (51/76 Pages) Intel Corporation – HIGH-PERFORMANCE 32-BIT LOCAL AREA NETWORK COPROCESSOR

82596CA
Note that this sequence is very useful for monitoring If the 82596 is configured to Save Bad Frames to
receive in Promiscuous mode and to use the Simplified memory structure any programmed length of received
data can be saved in memory
The Simplified memory structure is shown in Figure 38
Figure 38 RFA Simplified Memory Structure
290218 – 16
Flexible Memory Structure
The second structure is the Flexible memory structure the data structure of the received frame is stored in
both the RFD and in a linked list of Receive Buffers Receive Buffer Descriptors The received frame is placed
in the RFD as configured in the Size field Any remaining data is placed in a linked list of RBDs
The Flexible memory structure is shown in Figure 39
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