Intel Extensible Firmware Interface, Specification

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PXE Base Code Protocol
Version 1.02 12/12/00 265
Table 14-4. Source IP Filter Operation
OpFlags
ANY_SRC_IP
SrcIp Action
0 NULL
Return EFI_INVALID_PARAMETER .
1 NULL Receive a packet sent from any IP address.
0 not NULL
Receive a packet whose source IP address matches
SrcIp
.
1 not NULL Receive a packet sent from any IP address, and return the source IP
address in
SrcIp
.
Table 14-5. Source UDP Port Filter Operation
OpFlags
ANY_SRC_PORT
SrcPort Action
0 NULL
Return EFI_INVALID_PARAMETER .
1 NULL Receive a packet sent from any UDP port.
0 not NULL
Receive a packet whose source UDP port matches
SrcPort
.
1 not NULL Receive a packet sent from any UDP port, and return the source UPD
port in
SrcPort
.
Status Codes Returned
EFI_SUCCESS The UDP Read operation was completed.
EFI_NOT_STARTED The PXE Base Code Protocol is in the stopped state.
EFI_INVALID_PARAMETER One of the parameters is not valid.
EFI_DEVICE_ERROR The network device encountered an error during this operation.
EFI_BUFFER_TOO_SMALL The packet is larger than
Buffer
can hold.
EFI_ABORTED The callback function aborted the UDP Read operation.
EFI_TIMEOUT The UDP Read operation timed out.
EFI_ICMP_ERROR The UDP Read operation generated an error.