On Mon, Dec 1, 2025, 05:40 Bernard Spil <[email protected]> wrote:

> Hi!
>
> Happy to be of service! Anything else we can do to get more testers?
> (I'll see if I can make some noise on Mastodon).
> Should there be some instruction on providing feedback in the port?
>
> Let's make this a very short-lived port.
>
> Cheers, Bernard.
>
> On 2025-12-01 02:42, Adrian Chadd wrote:
> > hi!
> >
> > Thanks! My goal is to get this into a review next week, so hopefully
> > this is a short lived port!
> >
> >
> > -a
> >
> > On Sun, 30 Nov 2025 at 10:48, Bernard Spil <[email protected]> wrote:
> >>
> >> Hi,
> >>
> >> Turns out the realtek-re-kmod wasn't working out for me after all,
> >> machine started repeatedly crashing.
> >>
> >> Committed the port net/realtek-rge-kmod hoping to attract more
> >> testers.
> >> So far, works out great for me. GMKTek M5 Plus / AMD 5825U / Dual
> >> RTL8215
> >> FreeBSD 15.0-RC4-p1 releng/15.0-n280991-c7ccd5b3f879 GENERIC amd64
> >>
> >> Testing with 2 clients, both 100 parallel streams iperf3 bidirectional
> >> for 10 minutes showed negligible load.
> >>
> >> rge0@pci0:1:0:0:        class=0x020000 rev=0x05 hdr=0x00 vendor=0x10ec
> >> device=0x8125 subvendor=0x10ec subdevice=0x8125
> >>     vendor     = 'Realtek Semiconductor Co., Ltd.'
> >>     device     = 'RTL8125 2.5GbE Controller'
> >>     class      = network
> >>     subclass   = ethernet
> >> rge1@pci0:2:0:0:        class=0x020000 rev=0x05 hdr=0x00 vendor=0x10ec
> >> device=0x8125 subvendor=0x10ec subdevice=0x8125
> >>     vendor     = 'Realtek Semiconductor Co., Ltd.'
> >>     device     = 'RTL8125 2.5GbE Controller'
> >>     class      = network
> >>     subclass   = ethernet
> >>
> >> Cheers, Bernard.
> >>
> >> On Sun, Nov 30, 2025 at 2:51 PM Bernard Spil <[email protected]>
> >> wrote:
> >> >
> >> > Hi all,
> >> >
> >> > Thanks to flo for notifying me that there's an alternative to
> >> > net/realtek-re-kmod.
> >> >
> >> > I've had crashes running realtek-re-kmod and realtek-re-kmod198
> >> > before, none of the switches seemed to help.
> >> > After upgrading to from 14.3 to 15.0-RC4-p1, I thought I'd test again.
> >> > So far so good, no crashes. Generating load with iperf for 5 minutes
> >> > from 2 machines to the server works OK with the 1101.00 for now.
> >> >
> >> > Nice to have this if_rge in the back pocket when things don't work out
> >> > with 1101.00. Started porting it, find the patch at
> >> > https://brnrd.eu/bsd/patch-net_realtek-rge-kmod-20251129
> >> > Seeing that this is supposed to land in base, I'm holding back on
> committing it.
> >> >
> >> > Thanks all! Bernard (brnrd@)
> >> >
> >> > On Fri, Nov 28, 2025 at 5:48 PM Adrian Chadd <[email protected]>
> wrote:
> >> > >
> >> > > On Thu, 27 Nov 2025 at 10:13, Florian Smeets <[email protected]>
> wrote:
> >> > > >
> >> > > > On 23.11.25 03:16, Adrian Chadd wrote:
> >> > > > > hi!
> >> > > > >
> >> > > > > i've ported Kevin Lo's openbsd driver for these realtek
> chipsets to FreeBSD.
> >> > > > > It works well enough for me to use on my laptop w/ RTL8125B /
> Killer E3000.
> >> > > > > I'm now opening it up to others who are willing to build/run a
> kernel
> >> > > > > module to test the driver out and report back.
> >> > > > >
> >> > > > This is great. Finally, an in tree driver for these very common
> NICs.
> >> > > > The 1100.00 version of the net/realtek-re-kmod was just
> unreliable for
> >> > > > me (constant hangs, no matter which options I turned off and on).
> I've
> >> > > > only done light testing with the official 1101.00 driver. I was
> able to
> >> > > > wedge it with less than a minute of iperf3, and the ifconfig
> down/up
> >> > > > dance that was able to revive the interface with 1100.00 was not
> able to
> >> > > > recover the interface.
> >> > > >
> >> > > > I ran if_rge on my NAS and did some testing. I haven't had one
> hang with
> >> > > > this driver, even after pounding the network for hours. That's a
> big
> >> > > > plus for me. Thanks.
> >> > > >
> >> > > > I was able to achieve close to 2.5Gb/s TX and close to 1Gb/s RX
> with
> >> > > > iperf3 --bidir.
> >> > > >
> >> > > > CPU usage appears to be substantially higher than with the
> official
> >> > > > Realtek driver.
> >> > >
> >> > > That's a good data point.
> >> > >
> >> > > >
> >> > > > [intr{irq59: rge0}] goes to around 50% of one core, and
> [kernel{rge0
> >> > > > taskq thread}] hovers between 20-25% when running the above
> iperf3 tests.
> >> > > >
> >> > > > With the official 1101.00 driver, the only process using > 1% CPU
> is
> >> > > > this one [kernel{re0 taskq}] and it is around 10% with the test
> >> > > > mentioned above.
> >> > >
> >> > > I'll go dig into that a bit. It shouldn't be taking very much CPU
> to process
> >> > > this number of packets; the bulk of the CPU should be used by the
> IP stack.
> >> > >
> >> > > I'll go run some profiling over the next few days and see if I can
> nail down
> >> > > what I'm doing poorly. Hopefully it's something stupid on my end.
> ;-)
> >> > >
> >> > >
> >> > >
> >> > > -adrian
> >> > >
>

Hi!

Compiled successfully from the git project page,  and I've been testing it
on a 14.3 stable.

Really great!

Thanks, Adrian!
Mario Lobo
http://www.mallavoodoo.com.br
FreeBSD since version 2.2.8 [not Pro-Audio.... YET!!]

Reply via email to