Brad wrote:
> Here is a patch based on a patch from Jeff Rizzo on the NetBSD tech-net
> list which fixes the interrupt moderation timer frequencies. Please
> try this out on any SysKonnect Yukon based boards currently supported
> by the sk(4) driver.

Seems to work fine on a D-LINK DGE-530T card, and the performance increased
from 18717.3K/s to 20960.6K/s as measured by the port benchmarks/netstrain.

/Sigfred



OpenBSD 3.8-current (GENERIC) #1: Sat Nov 26 13:15:25 CET 2005
sigfred@odin.mumak.com:/usr/src/sys/arch/i386/compile/GENERIC
cpu0: Intel Celeron ("GenuineIntel" 686-class, 128KB L2 cache) 465 MHz
cpu0: FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MC A,CMOV,PAT,PSE36,MMX,FXSR
real mem = 199598080 (194920K)
avail mem = 175276032 (171168K)
using 2462 buffers containing 10084352 bytes (9848K) of memory
mainbus0 (root)
bios0 at mainbus0: AT/286+(00) BIOS, date 09/05/01, BIOS32 rev. 0 @ 0xfda74
apm0 at bios0: Power Management spec V1.2
apm0: AC on, battery charge unknown
apm0: flags 30102 dobusy 0 doidle 1
pcibios0 at bios0: rev 2.1 @ 0xf0000/0x10000
pcibios0: PCI IRQ Routing Table rev 1.0 @ 0xf2c30/192 (10 entries)
pcibios0: PCI Interrupt Router at 000:31:0 ("Intel 82371FB ISA" rev 0x00)
pcibios0: PCI bus #1 is the last bus
bios0: ROM list: 0xc0000/0xc000 0xcc000/0x1000
cpu0 at mainbus0
esm at mainbus0 not configured
pci0 at mainbus0 bus 0: configuration mode 1 (no bios)
pchb0 at pci0 dev 0 function 0 "Intel 82810E" rev 0x03: rng active, 9Kb/sec
vga1 at pci0 dev 1 function 0 "Intel 82810E Graphics" rev 0x03: aperture at 0xf8000000, size 0x4000000
wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation)
wsdisplay0: screen 1-5 added (80x25, vt100 emulation)
ppb0 at pci0 dev 30 function 0 "Intel 82801AA Hub-to-PCI" rev 0x02
pci1 at ppb0 bus 1
vr0 at pci1 dev 8 function 0 "VIA VT6105 RhineIII" rev 0x86: irq 11, address 00:05:5d:5f:f3:6e
ukphy0 at vr0 phy 1: Generic IEEE 802.3u media interface, rev. 4: OUI 0x000004, model 0x4063
skc0 at pci1 dev 9 function 0 "D-Link Systems DGE-530T" rev 0x11: irq 9
skc0: Marvell Yukon (0x1)
sk0 at skc0 port A: address 00:11:95:d2:3f:f5
eephy0 at sk0 phy 0: Marvell 88E1011 Gigabit PHY, rev. 3
skc1 at pci1 dev 10 function 0 "D-Link Systems DGE-530T" rev 0x11: irq 3
skc1: Marvell Yukon (0x1)
sk1 at skc1 port A: address 00:11:95:d2:42:d6
eephy1 at sk1 phy 0: Marvell 88E1011 Gigabit PHY, rev. 3
wi0 at pci1 dev 11 function 0 "Intersil PRISM2.5" rev 0x01: irq 10
wi0: PRISM2.5 ISL3874A(Mini-PCI) (0x8013), Firmware 1.1.1 (primary), 1.8.0 (station), address 00:09:5b:91:aa:a1
ichpcib0 at pci0 dev 31 function 0 "Intel 82801AA LPC" rev 0x02
pciide0 at pci0 dev 31 function 1 "Intel 82801AA IDE" rev 0x02: DMA, channel 0 wired to compatibility, channel 1 wired to compatibility
wd0 at pciide0 channel 0 drive 0: <WDC WD1200JB-00DUA3>
wd0: 16-sector PIO, LBA48, 114473MB, 234441648 sectors
wd0(pciide0:0:0): using PIO mode 4, Ultra-DMA mode 4
atapiscsi0 at pciide0 channel 1 drive 0
scsibus0 at atapiscsi0: 2 targets
cd0 at scsibus0 targ 0 lun 0: <Lite-On, LTN483S 48x Max, PD02> SCSI0 5/cdrom removable
cd0(pciide0:1:0): using PIO mode 4, Ultra-DMA mode 2
uhci0 at pci0 dev 31 function 2 "Intel 82801AA USB" rev 0x02: irq 10
usb0 at uhci0: USB revision 1.0
uhub0 at usb0
uhub0: Intel UHCI root hub, rev 1.00/1.00, addr 1
uhub0: 2 ports with 2 removable, self powered
"Intel 82801AA SMBus" rev 0x02 at pci0 dev 31 function 3 not configured
isa0 at ichpcib0
isadma0 at isa0
pckbc0 at isa0 port 0x60/5
pckbd0 at pckbc0 (kbd slot)
pckbc0: using irq 1 for kbd slot
wskbd0 at pckbd0: console keyboard, using wsdisplay0
pcppi0 at isa0 port 0x61
midi0 at pcppi0: <PC speaker>
spkr0 at pcppi0
sysbeep0 at pcppi0
lpt0 at isa0 port 0x378/4 irq 7
npx0 at isa0 port 0xf0/16: using exception 16
pccom0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo
pccom0: console
fdc0 at isa0 port 0x3f0/6 irq 6 drq 2
fd0 at fdc0 drive 0: 1.44MB 80 cyl, 2 head, 18 sec
biomask f565 netmask ff6d ttymask ffef
pctr: 686-class user-level performance counters enabled
mtrr: Pentium Pro MTRR support
dkcsum: wd0 matches BIOS drive 0x80
root on wd0a
rootdev=0x0 rrootdev=0x300 rawdev=0x302