Date: Wed, 5 Sep 2007 15:14:48 -0700 From: "Jack Vogel" <jfvogel@gmail.com> To: "Scott Long" <scottl@samsco.org> Cc: "freebsd-net@freebsd.org" <freebsd-net@freebsd.org>, Andre Oppermann <andre@freebsd.org>, John Baldwin <jhb@yahoo-inc.com> Subject: Re: Thoughts on vlan filter Message-ID: <2a41acea0709051514k3b72c932ya7b2e9bcb46a9c70@mail.gmail.com> In-Reply-To: <46DF2119.6030909@samsco.org> References: <2a41acea0709051352n583b4724o359faaf29a1479d8@mail.gmail.com> <46DF2119.6030909@samsco.org>
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On 9/5/07, Scott Long <scottl@samsco.org> wrote: > Jack Vogel wrote: > > I had an idea, I was debugging a problem on my new 10G driver a week back, > > and found I had the hardware vlan filter enabled by accident, this led me to > > wonder about supporting this hardware feature in the driver... > > > > I have done some experimentation, and find that when the vlan device is > > configured, ultimately the SETMULTI ioctl will happen in my driver, this > > means I could add code that checks the trunk, finds there is a vlan and > > then sets the tag into the filter. > > > > Any interest, or thoughts ya or nay about my doing this? > > > > Cheers, > > > > Jack > > Overloading the SETMULTI ioctl is probably a bad idea for anything more > than a proof-of-concept. From a cleanliness point of view, making the > software vlan module aware of this as a hardware offload capability and > able to control it via new ioctls sounds more reasonable. > > Scott > > You're right, that would be ideal, so is there any other adapters with this capability, and is the vlan driver owner interested in implementing it? Jackhome | help
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