On Fri, Aug 02, 2019 at 12:28:58PM +0100, Andy Lemin wrote: > Ahhh, thank you! > > I didn’t realise this had changed and now the drivers are written with > full knowledge of the interface.
That is an overstatement but we know for sure a lot more about these cards then many other less open ones. > So that would make Intel Server NICs (i350 for example) some of the best > 1Gbe cards nowadays then? They are well supported by OpenBSD as are many other server nics like bge and bnx. I would not call them best, when it comes to network cards it seems to be a race to the bottom. All chips have stuff in them that is just not great. em(4) for example needs a major workaround because the buffersize is specified by a bitfield. My view is more pessimistic, all network cards are shit there are just some that are less shitty. Also I prefer to use em(4) over most other gigabit cards. -- :wq Claudio > > Sent from a teeny tiny keyboard, so please excuse typos > > > On 2 Aug 2019, at 09:52, Jonathan Gray <j...@jsg.id.au> wrote: > > > >> On Fri, Aug 02, 2019 at 09:19:09AM +0100, Andy Lemin wrote: > >> Hi list, > >> > >> I know this is a rather classic question, but I have searched a lot on > >> this again recently, and I just cannot find any conclusive up to date > >> information? > >> > >> I am looking to buy the best 1Gbe NIC possible for OpenBSD and the only > >> official comments I can find relate to 3COM for ISA, or community > >> consensus towards Chelsio for 10Gbe. > >> > >> I know Intel works ok and I???ve used the i350???s before, but my > >> understanding is that Intel still doesn???t provide the documentation for > >> their NICs and so the emX driver is reverse engineered. > > > > This is incorrect. Intel provides datasheets for Ethernet parts. > > em(4) is derived from Intel authored code for FreeBSD supplied under a > > permissive license. > > > >> > >> And if I remember correctly some offload features were also disabled in > >> the emX driver a while back as some functions where found to be insecure > >> on die and so it was deemed safer to bring the logic back on CPU. > >> > >> So I???m looking for the best 1Gbe NIC that supports the most > >> offloading/best driver support/performance etc. > >> > >> Thanks, Andy. > >> > >> PS; could we update the official supported hardware lists? ;) > >> All the best. > >> > >> > >> Sent from a teeny tiny keyboard, so please excuse typos > >> >
