On Friday, June 5, 2015, Ben Woods <woods...@gmail.com> wrote:

> > Unfortunately, it seems to connect in 802.11b mode,
>> > even though I have tried forcing it to 802.11g or 802.11n modes with
>> > the following entry in /etc/rc.conf:
>> > ifconfig_wlan0="mode 11n country AU channel 11 WPA DHCP"
>> >
>> >
>> > "# service netif restart" gives the following errors:
>> > ifconfig: SIOCSIFMEDIA (media): Device not configured
>> > kernel: iwm0: iwm_load_firmware: chunk 0 of 3 returned error 35
>> > wpa_supplicant[1662]: ioctl[SIOCS80211, op=26, val=0, arg_len=0]:
>> > Operation not supported
>> >
>> >
>> > # ifconfig
>> > iwm0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu
>> 2290
>> > ether 34:02:86:34:13:18
>> > nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
>> > media: IEEE 802.11 Wireless Ethernet autoselect mode 11b
>> > status: associated
>> > wlan0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu
>> 1500
>> > ether 34:02:86:34:13:18
>> > inet 192.168.1.100 netmask 0xffffff00 broadcast 192.168.1.255
>> > nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
>> > media: IEEE 802.11 Wireless Ethernet autoselect mode 11b
>> > status: associated
>> > ssid 17aHindmarshAve channel 11 (2462 MHz 11b) bssid 04:f0:21:14:c9:7d
>> > regdomain ROW country AU authmode WPA2/802.11i privacy ON
>> > deftxkey UNDEF AES-CCM 2:128-bit AES-CCM 3:128-bit txpower 30 bmiss 10
>> > scanvalid 60 roaming MANUAL
>> > groups: wlan
>> >
>> >
>> > Note that the new Lenovo X1 Carbon gen3 has the same hardware, so
>> > should give similar results.
>>
>> I'm not sure it's doing 11b.  It's all firmware based, so it's probably
>> doing
>> 11g, but we're reporting it incorrectly.
>>
>> --
>> Rui Paulo
>>
>
> The transfer speeds I am achieving support the theory that it is only
> operating in 802.11b mode.
>
> I am achieving up to 600kB/s when I use fetch(1) to transfer a file from
> an NFS mount, compared to 2000kB/s when I use my USB wifi dongle in 802.11g
> mode with the run(4) driver.
>
> Regards,
> Ben
>

Today I have updated my iwm driver to commit 7134abba35, and noticed 2
major improvements:
1. The driver now reports as using 802.11g
2. I now get between 1MBps and 1.2MBps download

Nice improvements! Thanks again :)

Regards,
Ben


-- 

--
From: Benjamin Woods
woods...@gmail.com
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