Date: Fri, 13 Jan 2012 16:18:08 -0800 From: YongHyeon PYUN <pyunyh@gmail.com> To: "Vladislav V. Prodan" <universite@ukr.net> Cc: net@freebsd.org Subject: Re: Lack of performance re0 (RTL8111/8168B) Message-ID: <20120114001808.GD18199@michelle.cdnetworks.com> In-Reply-To: <4F10C14F.8050408@ukr.net> References: <4F109F79.5090406@ukr.net> <20120113221548.GA18199@michelle.cdnetworks.com> <4F10B1B3.6090908@ukr.net> <20120113232718.GC18199@michelle.cdnetworks.com> <4F10C14F.8050408@ukr.net>
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On Sat, Jan 14, 2012 at 01:42:07AM +0200, Vladislav V. Prodan wrote: > 14.01.2012 1:27, YongHyeon PYUN wrote: > > On Sat, Jan 14, 2012 at 12:35:31AM +0200, Vladislav V. Prodan wrote: > >> 14.01.2012 0:15, YongHyeon PYUN wrote: > >>> On Fri, Jan 13, 2012 at 11:17:45PM +0200, Vladislav V. Prodan wrote: > >>>> > >>>> Tell me, what a performance in pps a network card RTL8111/8168B? > >>>> Can I somehow increase it? > >>>> Experimentally, since it begins to fall off 80Kpps: ( > >>>> > >>> > >>> RX performance number will show much better than that but TX is > >>> major bottleneck of controller. I tried hard to enhance TX > >>> performance for the controller but I'm under the impression that > >>> that number would be the maximum(around 90Kpps) and this is also > >>> similar number what I got on Linux. > >>> Given that re(4) controllers are for non-server grade systems I > >>> wouldn't be surprised to see that number. If you need higher pps, > >>> choose controllers targeted for servers. Alternatively, low cost > >>> controllers from JMicron/Atheros also show decent TX/RX > >>> performance numbers. > >> > >> That's why I would like to get some numerical limitations of the > >> controller re (4). > >> While there is no way to put a network card from Intel. > >> > >>> > >>>> > >>>> Jan 13 18:12:49 XXX kernel: re0: watchdog timeout > >>>> Jan 13 18:12:49 XXX kernel: re0: link state changed to DOWN > >>>> Jan 13 18:12:53 XXX kernel: re0: link state changed to UP > >>>> > >>> > >>> I'm more concerned on watchdog timeouts than performance numbers. > >>> Would you show me re(4) related message from dmesg(8) output? > >> See dmesg output below. > >> > >>> And if you know how to reliably trigger the watchdog timeout, would > >>> you share with us? > >> > >> DDoS attack has undergone server and choked these packages: ( > > > > Sound like hard to reproduce this on my box. > > I agree. > > > > > >> Trafshow showed a peak of 110K pps, but immediately operational watchdog > >> timeout. > >> I would appreciate help in setting up a network interface, so as long as > >> it is not turned off by such scams. > >> > >>>> > >>>> > >>>> # uname -a > >>>> FreeBSD pvppw.org 9.0-PRERELEASE FreeBSD 9.0-PRERELEASE #1: Mon Dec 5 > >>>> 14:56:07 EET 2011 root@XXX:/usr/obj/usr/src/sys/XXX.2 amd64 > >>>> > >>>> # pciconf -lv | grep -A 4 "re0@" > >>>> re0@pci0:2:0:0: class=0x020000 card=0x84321043 chip=0x816810ec rev=0x06 > >>>> hdr=0x00 > >>>> vendor = 'Realtek Semiconductor Co., Ltd.' > >>>> device = 'RTL8111/8168B PCI Express Gigabit Ethernet controller' > >>>> class = network > >>>> subclass = ethernet > >>>> > >>> > >>> RealTek controllers tend to use the same PCI id for different > >>> controllers so pciconf(8) does not help here. re(4) may have shown > >>> more details on your controller in dmesg output. > >>> > >> Jan 13 18:57:03 XXX kernel: re0: <RealTek 8168/8111 B/C/CP/D/DP/E PCIe > >> Gigabit Ethernet> port 0xe800-0xe8ff mem > >> 0xfcfff000-0xfcffffff,0xfcffffff,0xfcff8000-0xfcffbfff irq 18 at device > >> 0.0 on pci2 > >> Jan 13 18:57:03 XXX kernel: re0: Using 1 MSI-X message > >> Jan 13 18:57:03 XXX kernel: re0: Chip rev. 0x2c800000 > >> Jan 13 18:57:03 XXX kernel: re0: MAC rev. 0x00000000 > >> Jan 13 18:57:03 XXX kernel: miibus0: <MII bus> on re0 > >> Jan 13 18:57:03 XXX kernel: rgephy0: <RTL8169S/8110S/8211 1000BASE-T > >> media interface> PHY 1 on miibus0 > >> Jan 13 18:57:03 XXX kernel: rgephy0: none, 10baseT, 10baseT-FDX, > >> 10baseT-FDX-flow, 100baseTX, 100baseTX-FDX, 100baseTX-FDX-flow, > >> 1000baseT, 1000baseT-master, 1000baseT-FDX, 1000baseT-FDX-master, > >> 1000baseT-FDX-flow, 1000baseT-FDX-flow-master, auto, auto-flow > >> Jan 13 18:57:03 XXX kernel: re0: Ethernet address: 14:da:e9:75:5f:ee > >> > > > > Thanks, your controller is RTL8168E-VL. > > Could you try attached patch? The patch also contains unrelated > > one for the issue but it wouldn't hurt either. > > The patch can be applied no earlier than Tuesday, when comes the new > Intel NIC. > Ok, forgot to say one more thing. The patch was generated against HEAD so you may have to use CURRENT or latest stable/9 to use the patch. Probably you can download both if_re.c and if_rlreg.h from stable/9 and apply the patch.
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