Hi

I'm experiencing poor network performance when using iwn(4) on
OpenBSD 5.7 amd64 snapshot (downloaded today 28/1/2015).

Plugged in via re0 I see 8MB/s. On Linux using wireless I download at
1.3MB/s.

On OpenBSD I download at ~73KB/s.

I get the same results using GENERIC and GENERIC.MP Is there anything
I can do to improve the performance of the below setup or would I
be better off with a different card?

Thank you
Tom


OpenBSD 5.7-beta (GENERIC.MP) #825: Wed Jan 28 09:42:41 MST 2015
    dera...@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP
real mem = 4130385920 (3939MB)
avail mem = 4016553984 (3830MB)
mpath0 at root
scsibus0 at mpath0: 256 targets
mainbus0 at root
bios0 at mainbus0: SMBIOS rev. 2.7 @ 0xfaa00 (35 entries)
bios0: vendor Phoenix Technologies Ltd. version "65CN90WW" date 09/25/2012
bios0: LENOVO IdeaPad U310
acpi0 at bios0: rev 2
acpi0: sleep states S0 S1 S3 S4 S5
acpi0: tables DSDT FACP SLIC SSDT ASF! HPET APIC MCFG FPDT FPDT SSDT SSDT UEFI 
UEFI MSDM UEFI SSDT DBG2
acpi0: wakeup devices P0P1(S4) EHC1(S3) EHC2(S3) XHC_(S3) HDEF(S4) PXSX(S4) 
RP01(S4) PXSX(S4) RP02(S4) PXSX(S4) RP03(S4) PXSX(S4) RP04(S4) PXSX(S4) 
RP05(S4) PXSX(S4) [...]
acpitimer0 at acpi0: 3579545 Hz, 24 bits
acpihpet0 at acpi0: 14318179 Hz
acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
cpu0 at mainbus0: apid 0 (boot processor)
cpu0: Intel(R) Core(TM) i3-3217U CPU @ 1.80GHz, 1696.44 MHz
cpu0: 
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,XSAVE,AVX,F16C,NXE,LONG,LAHF,PERF,ITSC,FSGSBASE,SMEP,ERMS
cpu0: 256KB 64b/line 8-way L2 cache
cpu0: smt 0, core 0, package 0
mtrr: Pentium Pro MTRR support, 10 var ranges, 88 fixed ranges
cpu0: apic clock running at 99MHz
cpu0: mwait min=64, max=64, C-substates=0.2.1.1.2, IBE
cpu1 at mainbus0: apid 1 (application processor)
cpu1: Intel(R) Core(TM) i3-3217U CPU @ 1.80GHz, 1696.15 MHz
cpu1: 
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,XSAVE,AVX,F16C,NXE,LONG,LAHF,PERF,ITSC,FSGSBASE,SMEP,ERMS
cpu1: 256KB 64b/line 8-way L2 cache
cpu1: smt 1, core 0, package 0
cpu2 at mainbus0: apid 2 (application processor)
cpu2: Intel(R) Core(TM) i3-3217U CPU @ 1.80GHz, 1696.15 MHz
cpu2: 
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,XSAVE,AVX,F16C,NXE,LONG,LAHF,PERF,ITSC,FSGSBASE,SMEP,ERMS
cpu2: 256KB 64b/line 8-way L2 cache
cpu2: smt 0, core 1, package 0
cpu3 at mainbus0: apid 3 (application processor)
cpu3: Intel(R) Core(TM) i3-3217U CPU @ 1.80GHz, 1696.15 MHz
cpu3: 
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,XSAVE,AVX,F16C,NXE,LONG,LAHF,PERF,ITSC,FSGSBASE,SMEP,ERMS
cpu3: 256KB 64b/line 8-way L2 cache
cpu3: smt 1, core 1, package 0
ioapic0 at mainbus0: apid 2 pa 0xfec00000, version 20, 24 pins
acpimcfg0 at acpi0 addr 0xf8000000, bus 0-63
acpiprt0 at acpi0: bus 0 (PCI0)
acpiprt1 at acpi0: bus -1 (P0P1)
acpiprt2 at acpi0: bus 1 (RP01)
acpiprt3 at acpi0: bus 2 (RP02)
acpiprt4 at acpi0: bus 3 (RP03)
acpiprt5 at acpi0: bus -1 (RP04)
acpiprt6 at acpi0: bus -1 (RP05)
acpiprt7 at acpi0: bus -1 (RP06)
acpiprt8 at acpi0: bus -1 (RP07)
acpiprt9 at acpi0: bus -1 (RP08)
acpiprt10 at acpi0: bus -1 (PEG0)
acpiprt11 at acpi0: bus -1 (PEG1)
acpiprt12 at acpi0: bus -1 (PEG2)
acpiprt13 at acpi0: bus -1 (PEG3)
acpiec0 at acpi0
acpicpu0 at acpi0: C3, C2, C1, PSS
acpicpu1 at acpi0: C3, C2, C1, PSS
acpicpu2 at acpi0: C3, C2, C1, PSS
acpicpu3 at acpi0: C3, C2, C1, PSS
acpitz0 at acpi0: critical temperature is 104 degC
acpiac0 at acpi0: AC unit offline
acpibat0 at acpi0: BAT1 model "LNV-L11M3P01" serial   type LION oem "SMP"
acpibtn0 at acpi0: LID0
acpibtn1 at acpi0: PWRB
acpivideo0 at acpi0: GFX0
acpivout0 at acpivideo0: DD02
cpu0: Enhanced SpeedStep 1696 MHz: speeds: 1801, 1800, 1700, 1600, 1500, 1400, 
1300, 1200, 1100, 1000, 900, 800, 774 MHz
pci0 at mainbus0 bus 0
pchb0 at pci0 dev 0 function 0 "Intel Core 3G Host" rev 0x09
vga1 at pci0 dev 2 function 0 "Intel HD Graphics 4000" rev 0x09
intagp at vga1 not configured
inteldrm0 at vga1
drm0 at inteldrm0
drm: Memory usable by graphics device = 2048M
inteldrm0: 1366x768
wsdisplay0 at vga1 mux 1: console (std, vt100 emulation)
wsdisplay0: screen 1-5 added (std, vt100 emulation)
xhci0 at pci0 dev 20 function 0 "Intel 7 Series xHCI" rev 0x04: msi
usb0 at xhci0: USB revision 3.0
uhub0 at usb0 "Intel xHCI root hub" rev 3.00/1.00 addr 1
"Intel 7 Series MEI" rev 0x04 at pci0 dev 22 function 0 not configured
ehci0 at pci0 dev 26 function 0 "Intel 7 Series USB" rev 0x04: apic 2 int 16
usb1 at ehci0: USB revision 2.0
uhub1 at usb1 "Intel EHCI root hub" rev 2.00/1.00 addr 1
azalia0 at pci0 dev 27 function 0 "Intel 7 Series HD Audio" rev 0x04: msi
azalia0: codecs: Conexant/0x506e, Intel/0x2806, using Conexant/0x506e
audio0 at azalia0
ppb0 at pci0 dev 28 function 0 "Intel 7 Series PCIE" rev 0xc4: msi
pci1 at ppb0 bus 1
ppb1 at pci0 dev 28 function 1 "Intel 7 Series PCIE" rev 0xc4: msi
pci2 at ppb1 bus 2
re0 at pci2 dev 0 function 0 "Realtek 8101E" rev 0x05: RTL8105E (0x4080), msi, 
address 08:9e:01:34:c9:14
rlphy0 at re0 phy 7: RTL8201E 10/100 PHY, rev. 2
ppb2 at pci0 dev 28 function 2 "Intel 7 Series PCIE" rev 0xc4: msi
pci3 at ppb2 bus 3
iwn0 at pci3 dev 0 function 0 "Intel Centrino Wireless-N 2230" rev 0xc4: msi, 
MIMO 2T2R, BGN, address 84:a6:c8:c6:4a:6c
ehci1 at pci0 dev 29 function 0 "Intel 7 Series USB" rev 0x04: apic 2 int 23
usb2 at ehci1: USB revision 2.0
uhub2 at usb2 "Intel EHCI root hub" rev 2.00/1.00 addr 1
pcib0 at pci0 dev 31 function 0 "Intel HM77 LPC" rev 0x04
ahci0 at pci0 dev 31 function 2 "Intel 7 Series AHCI" rev 0x04: msi, AHCI 1.3
scsibus1 at ahci0: 32 targets
sd0 at scsibus1 targ 0 lun 0: <ATA, RDM-II XM020C, C3M> SCSI3 0/direct fixed 
naa.5044a50029221bfd
sd0: 22902MB, 512 bytes/sector, 46905264 sectors, thin
sd1 at scsibus1 targ 1 lun 0: <ATA, HITACHI HTS54505, GG2Z> SCSI3 0/direct 
fixed naa.5000cca6f7f049df
sd1: 476940MB, 512 bytes/sector, 976773168 sectors
ichiic0 at pci0 dev 31 function 3 "Intel 7 Series SMBus" rev 0x04: apic 2 int 18
iic0 at ichiic0
spdmem0 at iic0 addr 0x50: 4GB DDR3 SDRAM PC3-12800 SO-DIMM
isa0 at pcib0
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
pms0 at pckbc0 (aux slot)
pckbc0: using irq 12 for aux slot
wsmouse0 at pms0 mux 0
pms0: Synaptics clickpad, firmware 8.1
pcppi0 at isa0 port 0x61
spkr0 at pcppi0
uvideo0 at uhub0 port 3 configuration 1 interface 0 "Azurewave Lenovo 
EasyCamera" rev 2.00/12.19 addr 2
video0 at uvideo0
ugen0 at uhub0 port 4 "Intel product 0x07da" rev 2.00/78.69 addr 3
uhub3 at uhub1 port 1 "Intel Rate Matching Hub" rev 2.00/0.00 addr 2
uhub4 at uhub2 port 1 "Intel Rate Matching Hub" rev 2.00/0.00 addr 2
vscsi0 at root
scsibus2 at vscsi0: 256 targets
softraid0 at root
scsibus3 at softraid0: 256 targets
root on sd0a (0b9bce7b85a77db1.a) swap on sd0b dump on sd0b
Automatic boot in progress: starting file system checks.
/dev/sd0a (0b9bce7b85a77db1.a): file system is clean; not checking
/dev/sd0k (0b9bce7b85a77db1.k): file system is clean; not checking
/dev/sd0d (0b9bce7b85a77db1.d): file system is clean; not checking
/dev/sd0f (0b9bce7b85a77db1.f): file system is clean; not checking
/dev/sd0g (0b9bce7b85a77db1.g): file system is clean; not checking
/dev/sd0h (0b9bce7b85a77db1.h): file system is clean; not checking
/dev/sd0j (0b9bce7b85a77db1.j): file system is clean; not checking
/dev/sd0i (0b9bce7b85a77db1.i): file system is clean; not checking
/dev/sd0e (0b9bce7b85a77db1.e): file system is clean; not checking
setting tty flags
kbd: keyboard mapping set to uk
kern.pool_debug: 1 -> 0
machdep.lidsuspend: 1 -> 0
starting network
DHCPREQUEST on iwn0 to 255.255.255.255
DHCPACK from 192.168.1.254 (34:8a:ae:ab:7a:dc)
bound to 192.168.1.64 -- renewal in 43200 seconds.
starting early daemons: syslogd ntpd.
starting RPC daemons:.
savecore: no core dump
checking quotas: done.
clearing /tmp
kern.securelevel: 0 -> 1
creating runtime link editor directory cache.
preserving editor files.
starting network daemons: sshd smtpd sndiod.
Path to firmware: http://firmware.openbsd.org/firmware/5.7/
Updating: iwn-firmware-5.11p1 uvideo-firmware-1.2p1
starting package daemons: dbus_daemon.
starting local daemons: cron xdm.
Wed Jan 28 20:28:44 GMT 2015

iwn0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
        lladdr 84:a6:c8:c6:4a:6c
        priority: 4
        groups: wlan egress
        media: IEEE802.11 autoselect (DS1 mode 11g)
        status: active
        ieee80211: nwid NWID chan 1 bssid 00:8a:ae:ab:7a:de -31dBm wpakey <not 
displayed> wpaprotos wpa1,wpa2 wpaakms psk wpaciphers tkip,ccmp wpagroupcipher 
tkip
        inet 192.168.1.64 netmask 0xffffff00 broadcast 192.168.1.255

Routing tables

Internet:
Destination        Gateway            Flags   Refs      Use   Mtu  Prio Iface
default            192.168.1.254      UGS        3     8187     -    12 iwn0 
127/8              127.0.0.1          UGRS       0        0 32768     8 lo0  
127.0.0.1          127.0.0.1          UHl        0        0 32768     1 lo0  
192.168.1/24       link#2             UC         1        0     -     4 iwn0 
192.168.1.64       84:a6:c8:c6:4a:6c  UHLl       0        0     -     1 lo0  
192.168.1.254      34:8a:ae:ab:7a:dc  UHLc       1        1     -     4 iwn0 
192.168.1.255      link#2             UHLb       0        0     -     1 iwn0 
224/4              127.0.0.1          URS        0        0 32768     8 lo0  

Internet6:
Destination                        Gateway                        Flags   Refs  
    Use   Mtu  Prio Iface
::/104                             ::1                            UGRS       0  
      0 32768     8 lo0  
::/96                              ::1                            UGRS       0  
      0 32768     8 lo0  
::1                                ::1                            UHl       14  
      0 32768     1 lo0  
::1                                ::1                            UH         0  
      0 32768     4 lo0  
::127.0.0.0/104                    ::1                            UGRS       0  
      0 32768     8 lo0  
::224.0.0.0/100                    ::1                            UGRS       0  
      0 32768     8 lo0  
::255.0.0.0/104                    ::1                            UGRS       0  
      0 32768     8 lo0  
::ffff:0.0.0.0/96                  ::1                            UGRS       0  
      0 32768     8 lo0  
2002::/24                          ::1                            UGRS       0  
      0 32768     8 lo0  
2002:7f00::/24                     ::1                            UGRS       0  
      0 32768     8 lo0  
2002:e000::/20                     ::1                            UGRS       0  
      0 32768     8 lo0  
2002:ff00::/24                     ::1                            UGRS       0  
      0 32768     8 lo0  
fe80::/10                          ::1                            UGRS       0  
      0 32768     8 lo0  
fe80::%lo0/64                      fe80::1%lo0                    U          0  
      0 32768     4 lo0  
fe80::1%lo0                        fe80::1%lo0                    UHl        0  
      0 32768     1 lo0  
fec0::/10                          ::1                            UGRS       0  
      0 32768     8 lo0  
ff01::/16                          ::1                            UGRS       0  
      0 32768     8 lo0  
ff01::%lo0/32                      ::1                            UC         0  
      0 32768     4 lo0  
ff02::/16                          ::1                            UGRS       0  
      0 32768     8 lo0  
ff02::%lo0/32                      ::1                            UC         0  
      0 32768     4 lo0  

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