I lost ath0 support on current sometime between Sept 20 and Sept 26.

[Sam Leffler]

Edwin L. Culp W. wrote:
> I started this thread on current but I lost it to Ashish Shukla so I'm
> going to try here and see if I can explain it better and solve this
> strange issue.
>
> I was happily using Sam's ath_hal-20080528 patch and IIRC the
> committed ath_hal fixes until Sept 20.  I didn't build another new
> kernel until Sept 26.  From that date on I have been unable to get it
> working.  The sept 20 kernel still works great. I'm using it to send
> this email.  I don't have to change anything I just start kernel.old
> and run it rather than today's kernel that has no problems other than
> bringing up ath0/wlan0.
>
> Some general info for both kernels that I can find no important
> differences and now really doubt that the problem is hal_ath but
> something else that has changed and is causing the problem. I have
> thought of dhcp, ifconfig, ???  The general information for both
> follows:
>
>
> FreeBSD 8.0-CURRENT #50: Thu Oct  9 05:27:41 CDT 2008
>     root at ed.local.net.mx:/usr/obj/usr/src/sys/ENCONTACTO
>
> rc.conf that doesn't change and works for sept 20 kernel but not todays:
>
>      wlans_ath0=wlan0
>      ifconfig_wlan0="DHCP ssid virus wepmode on wepkey 1:0x2373FE9515
> weptxkey 1"
>
> ifconfig with todays kernel for ath0 and wlan0:
>
>
> ath0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 2290
>         ether 00:1d:d9:27:5c:e5
>         media: IEEE 802.11 Wireless Ethernet autoselect mode 11g
>         status: associated
> wlan0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
>         ether 00:1d:d9:27:5c:e5
>         media: IEEE 802.11 Wireless Ethernet OFDM/48Mbps mode 11g
>         status: associated
>         ssid virus channel 6 (2437 Mhz 11g) bssid 00:1d:7e:51:e1:4d
>         regdomain 101 indoor ecm authmode OPEN privacy ON deftxkey 1
>         wepkey 1:40-bit txpower 16 bmiss 7 scanvalid 450 bgscan
>         bgscanintvl 300 bgscanidle 250 roam:rssi 7 roam:rate 5 protmode CTS
>         wme burst roaming MANUAL
>
> The part of the dmesg that show ath0 and wlan0 with hal
>
> ath_hal: 0.10.5.10 (AR5210, AR5211, AR5212, AR5416, RF5111, RF5112,
> RF2413, RF5413, RF2133, RF2425, RF2417)
>
> ath0: <Atheros 5424/2424> mem 0xd0400000-0xd040ffff irq 19 at device 0.0 on pci5
> ath0: [ITHREAD]
> ath0: WARNING: using obsoleted if_watchdog interface
> ath0: mac 14.2 phy 7.0 radio 10.2
>
> ------------------------------------------------------------------------------------------------
>
> The same information for the Sept 20 kernel.
>
> FreeBSD ed.local.net.mx 8.0-CURRENT FreeBSD 8.0-CURRENT #34: Sat Sep
> 20 05:37:05 CDT 2008
> root at ed.local.net.mx:/usr/obj/usr/src/sys/ENCONTACTO  i386
>
> rc.conf is the same.
>
> If config for Sept 20 kernel:
>
> ath0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 2290
>         ether 00:1d:d9:27:5c:e5
>         media: IEEE 802.11 Wireless Ethernet autoselect mode 11g
>         status: associated
> wlan0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
>         ether 00:1d:d9:27:5c:e5
>         inet 172.16.0.7 netmask 0xffffff00 broadcast 172.16.0.255
>         media: IEEE 802.11 Wireless Ethernet DS/5.5Mbps mode 11g
>         status: associated
>         ssid virus channel 6 (2437 Mhz 11g) bssid 00:1d:7e:51:e1:4d
>         regdomain 101 indoor ecm authmode OPEN privacy ON deftxkey 1
>         wepkey 1:40-bit txpower 16 bmiss 7 scanvalid 60 bgscan bgscanintvl 300
>         bgscanidle 250 roam:rssi 7 roam:rate 5 protmode CTS wme burst
>
> Same parts of the dmesg form Sept 20 kernel.
>
> ath_hal: 0.10.5.10 (AR5210, AR5211, AR5212, AR5416, RF5111, RF5112,
> RF2413, RF5413, RF2133, RF2425, RF2417)
>
> ath0: <Atheros 5424/2424> mem 0xd0400000-0xd040ffff irq 19 at device 0.0 on pci5
> ath0: [ITHREAD]
> ath0: WARNING: using obsoleted if_watchdog interface
> ath0: mac 14.2 phy 7.0 radio 10.2
>   

Does it work w/o WEP?  Do you any crypto errors show up in wlanstats 
and/or athstats output?

    Sam