Hi all,
The last few days I've been trying to get b43 to work on my WRT54GL
wlan-router. The reason I've been trying this is because I want to use the
device as a bridge between the local university wlan and my own local
network. However, because the network I'm trying to connect to is part of
the academic eduroam infrastructure I need 802.1x with dynamic WEP keying.
The proprietary broadcom drivers do not seem to support wpa_supplicant or
xsupplicant as they do not implement (much of) the standard linux wireless
extensions. There is a broadcom-specific driver for wpa_supplicant, but it
is broken, and it would be nice to get rid of the binary-only driver
altogether, not patch it up with yet another hack. So I set out to get b43
working. After a few hours of tinkering I got the driver to insert and
load the firmware:
b43-phy0: Broadcom 5352 WLAN found
b43-phy0 debug: Found PHY: Analog 2, Type 2, Revision 7
b43-phy0 debug: Found Radio: Manuf 0x17F, Version 0x2050, Revision 2
b43-phy0 debug: DebugFS (CONFIG_DEBUG_FS) not enabled in kernel config
phy0: Selected rate control algorithm 'simple'
b43-phy0 debug: Loading firmware version 351.126 (2006-07-29 05:54:02)
b43-phy0 debug: Chip initialized
b43-phy0 debug: 32-bit DMA initialized
b43-phy0 debug: Wireless interface started
b43-phy0 debug: Adding Interface type 2
So far so good, I thought. But when I tried to actually do anything with
the interface this message appeared in dmesg:
b43-phy0 warning: Invalid max-TX-power value in SPROM.
The driver itself responds to commands, but scanning finds nothing and
trying to associate to access points doesn't work either. Also, the MAC
addresses for both the wmaster0 and wlan0 interfaces are zeroed out:
wlan0 Link encap:Ethernet HWaddr 00:00:00:00:00:00
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
wmaster0 Link encap:UNSPEC HWaddr
00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
I've tried b43 from a git tree I pulled yesterday evening on openwrt
kamikaze svn trunk (r9519), running linux 2.6.23.1. My SSB info is:
ssb: Core 0 found: ChipCommon (cc 0x800, rev 0x0E, vendor 0x4243)
ssb: Core 1 found: Fast Ethernet (cc 0x806, rev 0x09, vendor 0x4243)
ssb: Core 2 found: MIPS 3302 (cc 0x816, rev 0x06, vendor 0x4243)
ssb: Core 3 found: USB 1.1 Host (cc 0x817, rev 0x02, vendor 0x4243)
ssb: Core 4 found: MEMC SDRAM (cc 0x80F, rev 0x01, vendor 0x4243)
ssb: Core 5 found: IEEE 802.11 (cc 0x812, rev 0x09, vendor 0x4243)
ssb: Core 6 found: Roboswitch (cc 0x81C, rev 0x02, vendor 0x4243)
ssb: Initializing MIPS core...
ssb: set_irq: core 0x0806, irq 2 => 2
ssb: set_irq: core 0x0817, irq 4 => 3
ssb: set_irq: core 0x0812, irq 0 => 4
ssb: Sonics Silicon Backplane found at address 0x18000000
If I were to take a fairly uneducated guess, I'd say the driver is not
recognizing the layout of the SPROM correctly, since it doesn't seem to be
able to find correct values for the MAC address and TX-power, both of
which should be stored there...
Is there anyone who knows what's wrong or can provide pointers on where to
look? Any help would be greatly appreciated and I wouldn't mind getting my
own hands dirty to fix it. :)
Maurits Dijkstra
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