I've been using the b43legacy driver since it was first posted to this list.
The driver has been relatively stable, but my wireless connection has not. In
an environment with approximately 26 wireless access points, I experience
frequent disconnects and reconnects with the rate stuck at 1Mb/s. The ranges
for signal and noise reported under these conditions were (-53db, -59db) and
(-93db, -89db) respectively, with an average difference between the two around
20db. The Windows driver under these conditions quickly scaled to 54Mb/s and
maintained a connection. In an environment with a single AP, the b43legacy
driver performs very similar to the results above where the rate is limited at
1Mb/s and the Windows driver scales significantly higher.
Here is the output of a few common commands:
$lspci -n -v
00:09.0 0280: 14e4:4320 (rev 02)
Subsystem: 0e11:00e7
Flags: bus master, fast devsel, latency 64, IRQ 10
Memory at d0000000 (32-bit, non-prefetchable) [size=8K]
Capabilities: [40] Power Management version 2
$dmesg | grep ssb
ssb: Core 0 found: ChipCommon (cc 0x800, rev 0x02, vendor 0x4243)
ssb: Core 1 found: IEEE 802.11 (cc 0x812, rev 0x04, vendor 0x4243)
ssb: Core 2 found: PCMCIA (cc 0x80D, rev 0x01, vendor 0x4243)
ssb: Core 3 found: V90 (cc 0x807, rev 0x01, vendor 0x4243)
ssb: Core 4 found: PCI (cc 0x804, rev 0x07, vendor 0x4243)
ssb: Core 5 found: IEEE 802.11 (cc 0x812, rev 0x04, vendor 0x4243)
ssb: Ignoring additional 802.11 core
ssb: Sonics Silicon Backplane found on PCI device 0000:00:09.0
$dmesg | grep b43legacy
b43legacy-phy0: Broadcom 4306 WLAN found
b43legacy-phy0 debug: Found PHY: Analog 1, Type 2, Revision 1
b43legacy-phy0 debug: Found Radio: Manuf 0x17F, Version 0x2050, Revision 2
b43legacy-phy0 debug: Radio turned off
b43legacy-phy0 debug: Adding Interface type 2
b43legacy-phy0 debug: Loading firmware version 0x127, patch level 14
(2005-04-18 02:36:27)
b43legacy-phy0 debug: Radio turned on
b43legacy-phy0 debug: Radio enabled by hardware
b43legacy-phy0 debug: Chip initialized
b43legacy-phy0 debug: 30-bit DMA initialized
b43legacy-phy0 debug: Wireless interface started
$uname -r
2.6.23-rc4
$cat wpa_supplicant.conf
ctrl_interface=/var/run/wpa_supplicant
ctrl_interface_group=20
update_config=1
network={
ssid="my_ssid"
scan_ssid=1
key_mgmt=IEEE8021X
auth_alg=OPEN
eap=PEAP
identity="username"
password="password"
}
Regards,
David Ellingsworth
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