Date: Mon, 1 Dec 2025 14:05:22 -0300 From: Mario Lobo <lobo@bsd.com.br> To: Bernard Spil <brnrd@freebsd.org> Cc: Adrian Chadd <adrian@freebsd.org>, FreeBSD Net <freebsd-net@freebsd.org>, current <freebsd-current@freebsd.org> Subject: Re: looking for testers for if_rge - RTL8125/8126/8127 ethernet driver Message-ID: <CA%2ByoEx806hfissEfDpnhGiH%2B3LGztya9waaZdU=yVbrOH=14Yw@mail.gmail.com> In-Reply-To: <edc5ebbaf6099c323a585e1bd5c51fdf@freebsd.org> References: <CAJ-VmonP4%2BQmpSUfM6Xatta83e6zkjMShzL7ob1nJVOH=Tjwhg@mail.gmail.com> <cfd43166-a287-4ea0-97f5-dbbf08856bdc@FreeBSD.org> <CAJ-Vmo=nj8TvjMg_XFkNZ6MC28DcOzdKKqVOqboCr0T7eTQO-g@mail.gmail.com> <CAEJyAvNsJt5t3JVRRDOtTFvZBEySR4mH-aENLrFMC_WtJm6G-w@mail.gmail.com> <CAEJyAvOB7dg8bumBVyiMnjakBxzyoMCOC=9N9jh=A1dxWrB8YA@mail.gmail.com> <CAJ-Vmo=CcHaoYpZiBKSsTCX47%2BUfp4ctapyQ7bkeZLWS57xPGA@mail.gmail.com> <edc5ebbaf6099c323a585e1bd5c51fdf@freebsd.org>
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[-- Attachment #1 --] On Mon, Dec 1, 2025, 05:40 Bernard Spil <brnrd@freebsd.org> 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 <brnrd@freebsd.org> 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 <brnrd@freebsd.org> > >> 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 <adrian@freebsd.org> > wrote: > >> > > > >> > > On Thu, 27 Nov 2025 at 10:13, Florian Smeets <flo@freebsd.org> > 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!!] [-- Attachment #2 --] <div dir="auto"><div><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Mon, Dec 1, 2025, 05:40 Bernard Spil <<a href="mailto:brnrd@freebsd.org">brnrd@freebsd.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi!<br> <br> Happy to be of service! Anything else we can do to get more testers? <br> (I'll see if I can make some noise on Mastodon).<br> Should there be some instruction on providing feedback in the port?<br> <br> Let's make this a very short-lived port.<br> <br> Cheers, Bernard.<br> <br> On 2025-12-01 02:42, Adrian Chadd wrote:<br> > hi!<br> > <br> > Thanks! My goal is to get this into a review next week, so hopefully<br> > this is a short lived port!<br> > <br> > <br> > -a<br> > <br> > On Sun, 30 Nov 2025 at 10:48, Bernard Spil <<a href="mailto:brnrd@freebsd.org" target="_blank" rel="noreferrer">brnrd@freebsd.org</a>> wrote:<br> >> <br> >> Hi,<br> >> <br> >> Turns out the realtek-re-kmod wasn't working out for me after all,<br> >> machine started repeatedly crashing.<br> >> <br> >> Committed the port net/realtek-rge-kmod hoping to attract more <br> >> testers.<br> >> So far, works out great for me. GMKTek M5 Plus / AMD 5825U / Dual <br> >> RTL8215<br> >> FreeBSD 15.0-RC4-p1 releng/15.0-n280991-c7ccd5b3f879 GENERIC amd64<br> >> <br> >> Testing with 2 clients, both 100 parallel streams iperf3 bidirectional<br> >> for 10 minutes showed negligible load.<br> >> <br> >> rge0@pci0:1:0:0: class=0x020000 rev=0x05 hdr=0x00 vendor=0x10ec<br> >> device=0x8125 subvendor=0x10ec subdevice=0x8125<br> >> vendor = 'Realtek Semiconductor Co., Ltd.'<br> >> device = 'RTL8125 2.5GbE Controller'<br> >> class = network<br> >> subclass = ethernet<br> >> rge1@pci0:2:0:0: class=0x020000 rev=0x05 hdr=0x00 vendor=0x10ec<br> >> device=0x8125 subvendor=0x10ec subdevice=0x8125<br> >> vendor = 'Realtek Semiconductor Co., Ltd.'<br> >> device = 'RTL8125 2.5GbE Controller'<br> >> class = network<br> >> subclass = ethernet<br> >> <br> >> Cheers, Bernard.<br> >> <br> >> On Sun, Nov 30, 2025 at 2:51 PM Bernard Spil <<a href="mailto:brnrd@freebsd.org" target="_blank" rel="noreferrer">brnrd@freebsd.org</a>> <br> >> wrote:<br> >> ><br> >> > Hi all,<br> >> ><br> >> > Thanks to flo for notifying me that there's an alternative to<br> >> > net/realtek-re-kmod.<br> >> ><br> >> > I've had crashes running realtek-re-kmod and realtek-re-kmod198<br> >> > before, none of the switches seemed to help.<br> >> > After upgrading to from 14.3 to 15.0-RC4-p1, I thought I'd test again.<br> >> > So far so good, no crashes. Generating load with iperf for 5 minutes<br> >> > from 2 machines to the server works OK with the 1101.00 for now.<br> >> ><br> >> > Nice to have this if_rge in the back pocket when things don't work out<br> >> > with 1101.00. Started porting it, find the patch at<br> >> > <a href="https://brnrd.eu/bsd/patch-net_realtek-rge-kmod-20251129" rel="noreferrer noreferrer" target="_blank">https://brnrd.eu/bsd/patch-net_realtek-rge-kmod-20251129</a><br>; >> > Seeing that this is supposed to land in base, I'm holding back on committing it.<br> >> ><br> >> > Thanks all! Bernard (brnrd@)<br> >> ><br> >> > On Fri, Nov 28, 2025 at 5:48 PM Adrian Chadd <<a href="mailto:adrian@freebsd.org" target="_blank" rel="noreferrer">adrian@freebsd.org</a>> wrote:<br> >> > ><br> >> > > On Thu, 27 Nov 2025 at 10:13, Florian Smeets <<a href="mailto:flo@freebsd.org" target="_blank" rel="noreferrer">flo@freebsd.org</a>> wrote:<br> >> > > ><br> >> > > > On 23.11.25 03:16, Adrian Chadd wrote:<br> >> > > > > hi!<br> >> > > > ><br> >> > > > > i've ported Kevin Lo's openbsd driver for these realtek chipsets to FreeBSD.<br> >> > > > > It works well enough for me to use on my laptop w/ RTL8125B / Killer E3000.<br> >> > > > > I'm now opening it up to others who are willing to build/run a kernel<br> >> > > > > module to test the driver out and report back.<br> >> > > > ><br> >> > > > This is great. Finally, an in tree driver for these very common NICs.<br> >> > > > The 1100.00 version of the net/realtek-re-kmod was just unreliable for<br> >> > > > me (constant hangs, no matter which options I turned off and on). I've<br> >> > > > only done light testing with the official 1101.00 driver. I was able to<br> >> > > > wedge it with less than a minute of iperf3, and the ifconfig down/up<br> >> > > > dance that was able to revive the interface with 1100.00 was not able to<br> >> > > > recover the interface.<br> >> > > ><br> >> > > > I ran if_rge on my NAS and did some testing. I haven't had one hang with<br> >> > > > this driver, even after pounding the network for hours. That's a big<br> >> > > > plus for me. Thanks.<br> >> > > ><br> >> > > > I was able to achieve close to 2.5Gb/s TX and close to 1Gb/s RX with<br> >> > > > iperf3 --bidir.<br> >> > > ><br> >> > > > CPU usage appears to be substantially higher than with the official<br> >> > > > Realtek driver.<br> >> > ><br> >> > > That's a good data point.<br> >> > ><br> >> > > ><br> >> > > > [intr{irq59: rge0}] goes to around 50% of one core, and [kernel{rge0<br> >> > > > taskq thread}] hovers between 20-25% when running the above iperf3 tests.<br> >> > > ><br> >> > > > With the official 1101.00 driver, the only process using > 1% CPU is<br> >> > > > this one [kernel{re0 taskq}] and it is around 10% with the test<br> >> > > > mentioned above.<br> >> > ><br> >> > > I'll go dig into that a bit. It shouldn't be taking very much CPU to process<br> >> > > this number of packets; the bulk of the CPU should be used by the IP stack.<br> >> > ><br> >> > > I'll go run some profiling over the next few days and see if I can nail down<br> >> > > what I'm doing poorly. Hopefully it's something stupid on my end. ;-)<br> >> > ><br> >> > ><br> >> > ><br> >> > > -adrian<br> >> > ><br></blockquote></div></div><div dir="auto"><br></div><div dir="auto">Hi!</div><div dir="auto"><br></div><div dir="auto">Compiled successfully from the git project page, and I've been testing it on a 14.3 stable.</div><div dir="auto"><br></div><div dir="auto">Really great!</div><div dir="auto"><br></div><div dir="auto">Thanks, Adrian!</div><div dir="auto">Mario Lobo<br><a href="http://www.mallavoodoo.com.br/">http://www.mallavoodoo.com.br</a><br>FreeBSD since version 2.2.8 [not Pro-Audio.... YET!!]</div><div dir="auto"><br></div><div dir="auto"><div class="gmail_quote gmail_quote_container"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"></blockquote></div></div></div>help
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