Werner,
Werner Almesberger wrote: > Philip Rhoades wrote: >> So I should upgrade to the latest (7.00.6) firmware I guess to see what >> effect that has on OM WLAN uptime? > > I think it would be good if you could upgrade, yes. I'm not sure > if it will make a difference for this problem, but they fixed a > LOT of issues, so it seems like a good move in any case. I upgraded to 7.00.4 but it still only lasted a few hours. >> What about the alternative OS firmwares? > > The VxWorks-based WRT54G are quite limited when it comes to > alternatives. Starting with hardware version 5, the RAM was > reduced, making it hard to run Linux, but DD-WRT managed > regardless. With version 7, Linksys/Cisco also changed the WLAN > chipset, which seems to have created a so far unsurmountable > obstacle. Yep, I started looking around after your last note . . > See also > http://www.linuxquestions.org/questions/linux-wireless-networking-41/wrt54g-v7-firmware-504449/ > > Linksys/Cisco also make the specifically Linux-friendly WRT54GL. Nice, but a bit late for me now . . > For experimenting, you could also use a WLAN card with a PC and > run hostapd. This has the added advantage that it's easier to > patch hostapd and such than for a small embedded system. > > Finding a suitable WLAN card can be a challenge, though. I did > a bit of field research, and of the readily available 802.11b/g > PCI cards, the ones based on the RaLink RT2561 seem to work best: > > http://svn.openmoko.org/developers/werner/wlan/freeze/4if/HW > > Reluctant to add yet another layer of trouble, I didn't venture > into USB land. Bit too much for me too at the moment . . > I would really love to see master mode support for the RTL-8185L, > though. These are the cheapest cards on the market, you can find > them everywhere, and they have great reception. Ironically, master > mode support used to exist in an ancient and long-forgotten driver > http://rtl8180-sa2400.sourceforge.net/ and there's another fork > that seems to have gone dormant after the new driver's been > included in mainline: http://rtl-wifi.sourceforge.net/wiki/Main_Page Right. Hereunder the results from the last test - nothing jumps out. Regards, Phil. Working: Thu Feb 5 20:17:00 GMT 2009 eth0 AR6000 802.11g ESSID:"linksys" Mode:Managed Frequency:2.472 GHz Access Point: 00:1C:10:09:8E:32 Bit Rate=54 Mb/s Tx-Power=15 dBm Sensitivity=0/3 Retry:on Encryption key:off Power Management:off Link Quality:197/94 Signal level:-154 dBm Noise level:-96 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:16 Invalid misc:0 Missed beacon:0 eth0 Link encap:Ethernet HWaddr 00:12:CF:8E:EF:27 inet addr:192.168.0.33 Bcast:192.168.0.255 Mask:255.255.255.0 inet6 addr: fe80::212:cfff:fe8e:ef27/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:5466 errors:0 dropped:0 overruns:0 frame:0 TX packets:3111 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:1788128 (1.7 MiB) TX bytes:369911 (361.2 KiB) Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 usb0 192.168.0.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 0.0.0.0 192.168.0.1 0.0.0.0 UG 0 0 0 eth0 0.0.0.0 192.168.1.200 0.0.0.0 UG 0 0 0 usb0 Stopped working: Fri Feb 6 04:59:40 GMT 2009 eth0 AR6000 802.11g ESSID:"linksys" Mode:Managed Frequency:2.472 GHz Access Point: 00:1C:10:09:8E:32 Bit Rate=65.535 Mb/s Tx-Power=0 dBm Sensitivity=0/3 Retry:on Encryption key:off Power Management:off Link Quality:204/94 Signal level:-147 dBm Noise level:-96 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:37 Invalid misc:0 Missed beacon:12 eth0 Link encap:Ethernet HWaddr 00:12:CF:8E:EF:27 inet addr:192.168.0.33 Bcast:192.168.0.255 Mask:255.255.255.0 inet6 addr: fe80::212:cfff:fe8e:ef27/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:20151 errors:0 dropped:0 overruns:0 frame:0 TX packets:8665 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:12580168 (11.9 MiB) TX bytes:833503 (813.9 KiB) Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 usb0 192.168.0.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 0.0.0.0 192.168.0.1 0.0.0.0 UG 0 0 0 eth0 0.0.0.0 192.168.1.200 0.0.0.0 UG 0 0 0 usb0 -- Philip Rhoades GPO Box 3411 Sydney NSW 2001 Australia E-mail: p...@pricom.com.au _______________________________________________ devel mailing list devel@lists.openmoko.org https://lists.openmoko.org/mailman/listinfo/devel
