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Bug ID 6573381
Synopsis e1000g receiving VLAN tagged frames does not do hardware checksumming
State 10-Fix Delivered (Fix available in build)
Category:Subcategory driver:e1000g
Keywords driver_defect | solx86-nic-otherteam-e1000g
Responsible Engineer Ted You
Reported Against snv_68
Duplicate Of
Introduced In solaris_nevada
Commit to Fix snv_73
Fixed In snv_73
Release Fixed solaris_nevada(snv_73) , solaris_10u5(s10u5_01) (Bug ID:2151965)
Related Bugs
Submit Date 25-June-2007
Last Update Date 25-September-2007
Description 
The e1000g driver currently does not do receive hardware checksumming on VLAN tagged frames. i.e.:

e1000g101002: flags=201000843<UP,BROADCAST,RUNNING,MULTICAST,IPv4,CoS> mtu 1500 index 4
        inet 10.10.10.2 netmask ffffff00 broadcast 10.10.10.255
        ether 0:14:4f:e:ee:8e

When this interface receives UDP packets (for example) the software checksum counter is incremented:

ip:0:ipstat:ip_in_sw_cksum      1235
Work Around 
None. Software checksum only.
Comments 
N/A