Topic: wifi on asus wl-500g premium openwrt-brcm47xx-2.6-squashfs.trx

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Post #1

lucindrea

17 Jan 2008, 02:38

have been able to get openwrt up and running , got an ipv6 tunnel running well and i am able to mount my 4gb usb drive.
the issue i am having now is the wifi ..
i do think at one point it was working but now has decided not to. I dont even know if the card / openwrt version are known to be working at this point.

wifi

root@OpenWrt:~# wifi detect
root@OpenWrt:~# iwconfig 
lo        no wireless extensions.

eth0      no wireless extensions.

eth1      no wireless extensions.

eth0.1    no wireless extensions.

eth0.0    no wireless extensions.

br-lan    no wireless extensions.

sit0      no wireless extensions.

he.net    no wireless extensions.

pci

root@OpenWrt:~# lspci
00:00.0 Host bridge: Broadcom Corporation BCM4704 PCI to SB Bridge (rev 09)
00:02.0 Network controller: Broadcom Corporation BCM4318 [AirForce One 54g] 802.11g Wireless LAN Controller (rev 02)
00:03.0 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 62)
00:03.1 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 62)
00:03.2 USB Controller: VIA Technologies, Inc. USB 2.0 (rev 65)

uname

root@OpenWrt:~# uname -a
Linux OpenWrt 2.6.22 #2 Sun Sep 30 20:38:47 CEST 2007 mips unknown
root@OpenWrt:~# ipkg list_installed | grep bcm
kmod-bcm43xx-mac80211 - 1+2.6.22-brcm47xx-1 -

lsmod

root@OpenWrt:~# lsmod
Module                  Size  Used by    Not tainted
usb_storage            27664  1 
sd_mod                 18416  2 
scsi_mod               71968  2 usb_storage,sd_mod
ehci_hcd               28016  0 
sit                     8624  0 
xt_esp                   864  0 
ipt_ah                   768  0 
iptable_raw              832  0 
xt_portscan             1952  0 
xt_CHAOS                1792  0 
xt_DELUDE               2560  1 
xt_pkttype               704  0 
ipt_owner                800  0 
ipt_LOG                 4864  0 
ip6t_owner               800  0 
ip6t_eui64               832  0 
ip6t_ah                  928  0 
ip6t_ROUTE              4128  0 
ip6t_REJECT             3168  0 
ip6t_LOG                5728  0 
ip6t_IMQ                 672  0 
ip6table_raw             608  0 
ip6table_mangle         1056  0 
ip6_queue               5504  0 
tun                     6496  0 
ppp_async               9664  0 
ppp_generic            20000  1 ppp_async
slhc                    5408  1 ppp_generic
crc_ccitt               1024  1 ppp_async
tunnel4                 1680  1 sit
ext3                   97040  1 
jbd                    54672  1 ext3
ext2                   39952  0 
usbcore               102032  3 usb_storage,ehci_hcd
nls_base                4416  0 
rc80211_simple          2432  0 
mac80211              120464  1 rc80211_simple
cfg80211                2448  1 mac80211
ip6table_filter          736  0 
ip6_tables              9040  5 ip6t_ah,ip6t_LOG,ip6table_raw,ip6table_mangle,ip6table_filter
ipv6                  274752  24 sit,ip6t_ROUTE,ip6t_REJECT,ip6table_mangle
switch_robo             4048  0 
switch_core             5056  1 switch_robo
diag                    8272  0

configs

root@OpenWrt:~# cat /etc/config/wireless
config wifi-device      wl0
        option type     Broadcom
        option channel  5
        option disabled '0'

config wifi-iface
        option device   wl0
#       option network  lan
        option mode     ap
        option ssid     zifnab6
        option hidden   0
        option encryption       none
root@OpenWrt:~#

Post #2

lkleinow

17 Jan 2008, 03:36

I thought the Broadcom was only working under 2.4. For 2.6, you need to replace the broadcom card in the wl500gP with an atheros one.

Post #3

lucindrea

17 Jan 2008, 03:43

ya thats why i'm asking .. seems 90% of everything i have been reading is old and outdated anyway , so it doesnt hurt to ask.

well my next question ...
is it possable to backup all my settings ( i have usb drive mounted ) in such a way that i only need to do minimal configuration if i re-flash with 2.4 ?

(Last edited by lucindrea on 17 Jan 2008, 03:47)

Post #4

thomasw

17 Jan 2008, 03:53

I have not managed to get 2.6 working with an atheros card in my wl-500g premium. WLAN works for a few minutes, but the signal is very weak (-> bad range), and after a few minutes (even if there's hardly any traffic) WLAN clients (WPA) get disconnected constantly, looks like a memory problem. I tried various hacks, it seems to be a problem with madwifi, which according to madwifi's homepage should be fixed already. I guess it's not yet ported to openwrt

Post #5

lkleinow

17 Jan 2008, 04:04

I have atheros in a wl-500g premium working with no issues. Look in your dmesg output, are there a lot of 'topology changed' messages? Why not post your /etc/config/wireless and /etc/config/network

Post #6

thomasw

17 Jan 2008, 04:08

I replaced the mini-pci card on my WL-500gP with an AR5005GS one, WLAN works but I get a very poor signal and the coverage is much worse. Limiting the usage to only one antenna (disabling diversity) doesn't really help. This is with Atheros-2.6 compiled from trunk on 11/01/2008:

root@OpenWrt:~# uci show wireless
wireless.wifi0=wifi-device
wireless.wifi0.type=atheros
wireless.wifi0.channel=5
wireless.wifi0.diversity=0
wireless.wifi0.rxantenna=1
wireless.wifi0.txantenna=1
wireless.wifi0.disabled=0
wireless.cfg2=wifi-iface
wireless.cfg2.device=wifi0
wireless.cfg2.network=lan
wireless.cfg2.mode=ap
wireless.cfg2.ssid=xxxxxx
wireless.cfg2.encryption=psk
wireless.cfg2.key=xxxxxxxxxxxxxxxxxxx

root@OpenWrt:~# iwconfig ath0
ath0 IEEE 802.11g ESSID:"xxxxx" Nickname:""
Mode:Master Frequency:2.432 GHz Access Point: xxxxxxxxxxxx
Bit Rate:0 kb/s Tx-Power:16 dBm Sensitivity=1/1
Retry:off RTS thr:off Fragment thr:off
Encryption key:xxxxxxxxxxxxxxxxxxxxxxxxxx [2] Security mode:open
Power Management:off
Link Quality=30/70 Signal level=-66 dBm Noise level=-96 dBm
Rx invalid nwid:11 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0

After a couple of minutes of wifi traffic the wifi clients get disconnected automatically all the time:

Jan 11 21:09:04 OpenWrt daemon.info hostapd: ath0: STA xxxxxxxxxxxx IEEE 802.11: associated
Jan 11 21:09:07 OpenWrt daemon.info hostapd: ath0: STA xxxxxxxxxxxx IEEE 802.11: deauthenticated due to local deauth request
Jan 11 21:09:07 OpenWrt daemon.info hostapd: ath0: STA xxxxxxxxxxxx IEEE 802.11: disassociated

(Last edited by thomasw on 17 Jan 2008, 04:10)

Post #7

thomasw

17 Jan 2008, 04:14

lkleinow wrote:

Look in your dmesg output, are there a lot of 'topology changed' messages?

I never encountered a topology changes message. I encountered these messages:

ath_mgtstart: discard, no xmit buf

A workaround for that problem was according to another thread setting vm.min_free_kbytes=10000 in /etc/sysctl.conf, but that didn't help at all for me.

(Last edited by thomasw on 17 Jan 2008, 04:16)

Post #8

sfa

19 Jan 2008, 17:56

bump ?

Post #9

KillaB

7 Mar 2008, 15:57

thomasw wrote:

ath_mgtstart: discard, no xmit buf
A workaround for that problem was according to another thread setting vm.min_free_kbytes=10000 in /etc/sysctl.conf, but that didn't help at all for me.

For those of you seeing this problem (Kamikaze_7.09 users) it's apparently been fixed in trunk.
Haven't been able to test just yet, but wanted to let you know.

(Last edited by KillaB on 7 Mar 2008, 15:58)

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