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 > > >
