Programmer’s Guide BCM5722
10/15/07
Broadcom Corporation
Document 5722-PG101-R Packet Filtering Page 100
BROADCAST SETUP/CONFIGURATION
The host software may configure the BCM5722 Ethernet controller to discard the received broadcast frames by using two
receive rules as defined below. The BCM5722 Ethernet controller parses all incoming frames according to these receive
rules and discards those frames that have a broadcast destination address (see “Receive Rules Setup and Frame
Classification” on page 66 for more details on setting up the receive rules).
Below are the two receive rules for discarding broadcast frames.
Rule1 Control: 0xc2000000 Rule1 Mask/Value: 0xffffffff
Rule2 Control: 0x86000004 Rule2 Mask/Value: 0xffffffff
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