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Intel
®
82575EB Gigabit Ethernet Controller — Receive Long Packet Maximum Length - RLPML
(05004; R/W)
Intel
®
82575EB Gigabit Ethernet Controller 324632-003
Software Developer’s Manual and EEPROM Guide Revision: 2.1
362 January 2011
14.3.62 Receive Long Packet Maximum Length - RLPML
(05004; R/W)
14.3.63 Receive Filter Control Register - RFCTL
(05008h; R/W)
IPPCSE 12 0b IP Payload Checksum Enable
See PCSS description.
PCSD 13 0b Packet Checksum Disable
The packet checksum and IP identification fields are mutually exclusive with the RSS
hash. Only one of the two options is reported in the Rx descriptor.
RXCSUM.PCSD Legacy Rx Descriptor (SRRCTL.DESCTYPE = 000b):
0b (checksum enable) - Packet checksum is reported in the Rx descriptor.
1b (checksum disable) - Not supported.
RXCSUM.PCSD Extended or Header Split Rx Descriptor (SRRCTL.DESCTYPE = 000b):
0b (checksum enable) - checksum and IP identification are reported in the Rx
descriptor.
1b (checksum disable) - RSS Hash value is reported in the Rx descriptor.
Reserved 31:14 0h Reserved
Field Bit(s)
Initial
Value
Description
RLPML 13:0 2400h Maximum allowed long packet length.
Reserved 31:14 0h Reserved
Field Bit(s)
Initial
Value
Description
Reserved 0 1b Must be set to 1b.
Reserved 4:0 0b Reserved
NFSW_DIS 6 0b NFS Write Disable
Disables filtering of NFS write request headers.
NFSR_DIS 7 0b NFS Read Disable
Disables filtering of NFS read reply headers.
NFS_VER 9:8 00b NFS Version
00b = NFS version 2.
01b = NFS version 3.
10b = NFS version 4.
11b = Reserved for future use.
IPv6_DIS 10 0b IPv6 Disable
Disables IPv6 packet filtering. Any received IPv6 packet is parsed only as an L2 packet.
IPv6XSUM_DIS 11 0b IPv6 XSUM Disable
Disables XSUM on IPv6 packets.
Reserved 13:12 00b Reserved