WEP does not work? (was Re: HEADSUP: ath updates)
Sam Leffler
sam at errno.com
Wed Dec 8 17:35:57 PST 2004
On Wednesday 08 December 2004 05:00 pm, Hideyuki KURASHINA wrote:
> Hi,
>
> First of all, I would like to thank your hard work. That's great!
> I decided to track HEAD rather than RELENG_5 with my new laptop.
> Here is my environment:
>
> Access Point: PRISM3 on NetBSD 2.0 box
> Client: Atheros 5212 on FreeBSD 6.0 laptop
>
> >>> On Wed, 8 Dec 2004 11:09:43 -0800, Sam Leffler <sam at errno.com> said:
> >
> > I just committed updates for the ath driver and the ath hal. There are
> > many changes to this code including a split of the tx rate control
> > algorithm into a separate module. This means that when statically
> > configuring the driver you now need to specify:
> >
> > device ath
> > device ath_hal
> > device ath_rate_onoe
>
> I compiled kernel including above devices and with
>
> device wlan
> device wlan_wep
>
> then installed new kernel and ifconfig (dmesg from boot -v is attached).
>
> After rebooting, I set IPv4 and IPv6 addresses and those routes. Because
> access point supports only 802.11b, I configured my wireless network
> by 128bit WEP as follows
>
> /sbin/ifconfig ath0 nwid MY-SSID nwkey 0x01234567890123456789012345 media
> autoselect mode 11b
>
> then I got following error:
>
> ath0: ath_chan_set: unable to reset channel 8 (2447 Mhz)
> ath0: ath_chan_set: unable to reset channel 8 (2447 Mhz)
> ath0: ath_chan_set: unable to reset channel 8 (2447 Mhz)
> ath0: ath_chan_set: unable to reset channel 12 (2467 Mhz)
Weird, can you send me the regdomain and country code: e.g. the output of
sysctl dev.ath.0.
>
> It seems that ath0 failed to reset channel. I manually specified channel,
> then ifconfig shows:
>
> # ifconfig -v ath0
> ath0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
> inet 192.168.1.11 netmask 0xffffff00 broadcast 192.168.1.255
> inet6 fe80::20e:XXXX:XXXX:XXXX%ath0 prefixlen 64 scopeid 0x2
> inet6 2001:3e0:XX:X::XX prefixlen 64
> ether 00:0e:9b:XX:XX:XX
> media: IEEE 802.11 Wireless Ethernet autoselect mode 11b (DS/11Mbps)
> status: associated
> ssid MY-SSID channel 3 (2422) bssid 00:90:cc:XX:XX:XX
> authmode OPEN privacy ON deftxkey 1 powersavemode OFF
> powersavesleep 100 txpowmax 14 txpower 60 rtsthreshold 2312 protmode CTS
> wme roaming AUTO bintval 100
> AC_BE cwmin 5 cwmax 10 aifs 3 txopLimit 0 -acm ack
> cwmin 5 cwmax 10 aifs 3 txopLimit 0 -acm
> AC_BK cwmin 5 cwmax 10 aifs 7 txopLimit 0 -acm ack
> cwmin 5 cwmax 10 aifs 7 txopLimit 0 -acm
> AC_VI cwmin 4 cwmax 5 aifs 2 txopLimit 188 -acm ack
> cwmin 4 cwmax 5 aifs 2 txopLimit 188 -acm
> AC_VO cwmin 3 cwmax 4 aifs 2 txopLimit 102 -acm ack
> cwmin 3 cwmax 4 aifs 2 txopLimit 102 -acm
This doesn't show a key installed. I don't typically use nwkey; I'll have to
check it.
>
> # ifconfig ath0 list chan
> Channel 1 : 2412* Mhz 11g Channel 11 : 2462* Mhz 11g
> Channel 2 : 2417* Mhz 11g Channel 12 : 2467* Mhz 11a 11g
> Channel 3 : 2422* Mhz 11g Channel 13 : 2472* Mhz 11g
> Channel 4 : 2427* Mhz 11g Channel 14 : 2484* Mhz 11b
> Channel 5 : 2432* Mhz 11g Channel 16 : 5080* Mhz 11a
> Channel 6 : 2437* Mhz 11g Channel 34 : 5170* Mhz 11a
> Channel 7 : 2442* Mhz 11g Channel 38 : 5190* Mhz 11a
> Channel 8 : 2447* Mhz 11a 11g Channel 42 : 5210* Mhz 11a
> Channel 9 : 2452* Mhz 11g Channel 46 : 5230* Mhz 11a
> Channel 10 : 2457* Mhz 11g
>
So it seems channels 8 and 12 are supposedly available.
> # ifconfig ath0 list scan
> SSID BSSID CHAN RATE S:N INT CAPS
> MY-SSID 00:90:cc:XX:XX:XX 3 11M 43:0 100 EP
>
> Unfortunately, this does not work (default router is not reachable).
>
> # ping -n 192.168.1.254
> PING 192.168.1.254 (192.168.1.254): 56 data bytes
> ping: sendto: Host is down
> ping: sendto: Host is down
> ping: sendto: Host is down
> ping: sendto: Host is down
> ping: sendto: Host is down
> ping: sendto: Host is down
> ping: sendto: Host is down
> ping: sendto: Host is down
> ^C
> --- 192.168.1.254 ping statistics ---
> 14 packets transmitted, 0 packets received, 100% packet loss
>
> Disabling WEP on both access point and client is OK:
>
> # ping -n 192.168.1.254
> PING 192.168.1.254 (192.168.1.254): 56 data bytes
> 64 bytes from 192.168.1.254: icmp_seq=0 ttl=255 time=3.773 ms
> 64 bytes from 192.168.1.254: icmp_seq=1 ttl=255 time=1.513 ms
> 64 bytes from 192.168.1.254: icmp_seq=2 ttl=255 time=1.362 ms
> 64 bytes from 192.168.1.254: icmp_seq=3 ttl=255 time=1.774 ms
> ^C
> --- 192.168.1.254 ping statistics ---
> 4 packets transmitted, 4 packets received, 0% packet loss
> round-trip min/avg/max/stddev = 1.362/2.106/3.773/0.974 ms
>
> Am I missing something? Same configuration worked file with FreeBSD
> 5.3-RELEASE on this laptop.
<...stuff deleted...>
Try using wepkey instead of nwkey.
Sam
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