Date: Fri, 2 Dec 2011 12:06:39 -0800 From: Jack Vogel <jfvogel@gmail.com> To: FreeBSD Net <freebsd-net@freebsd.org> Subject: VLAN HWTSO question/problem Message-ID: <CAFOYbc=JbAUbqJmsNUoRo_anSomvSLz_O-pR%2B49_f-i5Oy-tVQ@mail.gmail.com>
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I have just discovered during some validation testing on the em driver, that if HWTSO is enabled at the same time as VLAN_HWTAGGING and/or VLAN_HWFILTER that its broken. Looking at the vlan source its not obvious why this would be the case, but netperf just fails completely. I can turn TAGGING off and I can get TSO, or turn off TSO and get TAGGING/FILTERING, but not both :( My tester only has 8.2 to try this on, not sure if its a bug or a design limitation, can someone enlighten me? At the moment I'm thinking of just turning HWTSO off by default? Cheers, Jack
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