Date: Thu, 07 Sep 2006 16:02:01 +0200 From: Andre Oppermann <andre@freebsd.org> To: Jack Vogel <jfvogel@gmail.com> Cc: freebsd-net <freebsd-net@freebsd.org>, freebsd-current <freebsd-current@freebsd.org>, Prafulla Deuskar <pdeuskar@freebsd.org> Subject: Re: RFC: TSO patch for current Message-ID: <45002659.9050203@freebsd.org> In-Reply-To: <2a41acea0609051523w55939cdeu71ee9857f40d1294@mail.gmail.com> References: <2a41acea0609011551v40338539u4eef48d091dd12ab@mail.gmail.com> <44F9384C.9070902@freebsd.org> <2a41acea0609021741y481a04c0r42902166eaba78d7@mail.gmail.com> <20060905162542.GA63869@hub.freebsd.org> <44FDAF08.20407@freebsd.org> <20060905182313.GA85389@hub.freebsd.org> <44FDD65C.6070109@freebsd.org> <2a41acea0609051410i7d968b88ocf240514ff410452@mail.gmail.com> <44FDECB6.2040304@freebsd.org> <2a41acea0609051523w55939cdeu71ee9857f40d1294@mail.gmail.com>
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Jack Vogel wrote: > On 9/5/06, Andre Oppermann <andre@freebsd.org> wrote: >> > If you do the ifconfig changes there will need to be a small amount of >> > code added to em_ioctl() but it should be trivial. >> > >> > You want me to reissue a driver patch with changes for your code? >> >> Yes, please do so. I've got a dual-em card which I can test with myself. > > OK, attached new patch, this one even has the ioctl change so when > you get the ifconfig change in it will be ready. The TSO code is committed. There has been a slight change with the ifcapabilities to differentiate between TSO for IPv4 and IPv6 which can be set independently. The pseudo-header checksum is always provided in m_pkthdr.csum_data, you don't have to compute it yourself in the driver. TSO for IPv6 is not yet functional as it is missing the in6_pseudo() function and some changes to ip6_output(). I have contacted one of our IPv6 gurus to develop the patches and get it fully functional as well. -- Andre
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