Date: Fri, 31 Oct 2008 12:44:43 +0900 From: Pyun YongHyeon <pyunyh@gmail.com> To: freebsd-current@FreeBSD.org Subject: Re: Call for testers: Atheros AR8121(L1E)/AR8113/AR8114(L2E) ethernet Message-ID: <20081031034443.GF82781@cdnetworks.co.kr> In-Reply-To: <20081030114845.GE78796@cdnetworks.co.kr> References: <20081030040637.GA78796@cdnetworks.co.kr> <20081030114845.GE78796@cdnetworks.co.kr>
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On Thu, Oct 30, 2008 at 08:48:45PM +0900, To freebsd-current@FreeBSD.org wrote: > On Thu, Oct 30, 2008 at 01:06:37PM +0900, To freebsd-current@FreeBSD.org wrote: > > > > Hi, > > > > I had been working on writing a driver for Atheros AR8121(L1E), > > AR8113/AR8114(L2E) ethernet controllers since Jeremy Chadwick sent > > the hardware to me. I think it's feature complete state and time > > for more testing for stability or some edge cases. I guess AR81xx > > is commonly found on newer Asus EeePC or P5Q series of Asus > > motherboard. If you have AR81xx controller would you give it spin > > and let me know how it goes? You can get the latest driver at the > > following URL. > > http://people.freebsd.org/~yongari/ate/if_ate.c > > http://people.freebsd.org/~yongari/ate/if_atereg.h > > http://people.freebsd.org/~yongari/ate/if_atevar.h > > http://people.freebsd.org/~yongari/ate/Makefile > > or > > http://people.freebsd.org/~yongari/ate/ate.20081030.tar.gz > > The driver should build without problems on CURRENT, stable/7. > > > > ATM the driver supports the following hardware features. > > - TSO > > - Rx TCP/UDP/IP checksum offload > > - VLAN tag insertion/stripping > > - Jumbo frame > > - WOL > > It seems that hardware supports Tx checksum offload but I couldn't > > make it work for TCP segments. Only short TCP segments seem to work > > so I disabled Tx checksum offload. > > Note, the hardware does not support descriptor based DMA on Rx side > > so driver have to copy recevied frames to pass them to upper stack > > so it will consume a lot of CPU cycles if you push the hardware to > > the limit. > > > > As bruffer pointed out the device name chosen conflicts with other > driver in tree so I renamed it to ale(4).The URL for the driver is > http://people.freebsd.org/~yongari/ale/if_ale.c > http://people.freebsd.org/~yongari/ale/if_alereg.h > http://people.freebsd.org/~yongari/ale/if_alevar.h > http://people.freebsd.org/~yongari/ale/Makefile > or > http://people.freebsd.org/~yongari/ale/ale.20081030.tar.gz > Sorry for confusion. > FYI: There was a typo that keep ale(4) from building on stable/7. It was fixed now and I reuploaded related files(URLs are the same as before). -- Regards, Pyun YongHyeon
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