Difference between revisions of "Wireless Testing"

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Revision as of 09:22, 23 March 2011

This area of the wiki is for those who wish to assist by reporting non-working wireless drivers or by testing new drivers. Both reporting and testing provides valuable information to the developers of wireless drivers. It also helps to ensure that PC-BSD and FreeBSD provide support for the wireless devices used by their users.

This page contains three tables:

  • Table 1: devices in this table don't have a FreeBSD driver yet. If your device requires you to run the ndisgen script to convert a Windows driver to a FreeBSD driver module, it belongs in this table. Such devices use ndis(4) as their driver name. The goal of this table is to determine which devices need a native FreeBSD driver.
  • Table 2: devices in this table already have a FreeBSD driver, but there are problems with the driver e.g. certain features are unavailable or the driver crashes. The goal of this table is to provide information to developers so the driver can be fixed. This means that you should reference any existing PRs or other URLs containing a description of the problem. If a PR does not exist, consider submitting one; information on how to submit a useful PR can be found at Writing FreeBSD Problem Reports.
  • Table 3: devices in this table have a working FreeBSD driver, making it a quick reference to determine if a device is supported. If your device works and is not in the table, take a minute to create a wiki login account and add an entry for your device.

If your wireless device is not supported and is not listed in Table 1, please create a wiki account and add it. However, do a little bit of research first:

  • Perform a Google search for the name of the device and the word FreeBSD (for example, "freebsd broadcom 5709"). This should give you a good idea if the driver already exists--and if so, the name of the driver--or if other FreeBSD users have had problems getting their device to work.
  • If you are not sure of the name and model of your internal device, try this command: pciconf -lv | grep -i wireless. If the device is USB, try usbconfig dump_all_config_desc on an 8.x system or usbdevs -dv on a 7.x system.
  • If a FreeBSD driver does not exist, download a Windows driver for the device, run the interactive script ndisgen as the superuser, and see if you can successfully use the generated driver module. Add the results for your architecture (i386 or amd64) to Table 1.

Note: ndisgen currently does not support the NDIS 6.X API. In practical terms, this means that you should only try it on XP and 2003 drivers. Make sure you download and try to convert the correct driver for your architecture (32 or 64 bit). If you would like to help test the most recent version of ndisgen, follow these instructions.

Note to iwi(4) users: work is ongoing to improve this driver. Please see Bernhard Schmidt's iwi wiki if you are interested in testing these changes.

Contents

Table 1: Wireless Devices Needing Drivers: Does ndisgen Work for this Device?

Device Name i386 amd64 Comments
BCM4310 NO
BCM4313 NO
RTL8185 YES YES Try Me driver instead of XP. Use XP driver version 1.10. Should be about 280 KiB in size. Must manually load driver. Placing it in /boot/loader.conf did not initialize device. As far as I have tested it fully works. You may have to manually configure it as well. The graphical network manager did not work for me. (More info in discussion). Just finished setting up amd64 system. XP64 driver version 1.10 does work (using it now). Follow same procedures as i386 driver.
RTL8191SE YES NO
RTL8187SE YES NO Not kldload if_ndis, says the archive already exists. PC-BSD (86x) is restarted after kldload rtl8187Se_sys.ko from Windows XP driver. The wireless continue to not function.
RTL8192SE YES YES, in 8.2


If a driver exists for your wireless device but the driver does not work well, add a description of the problem to Table 2. Take a minute to query the PR database and add the PR number if one exists.

Table 2: Existing Wireless Drivers That Don't Work Well

Driver Name i386 amd64 PR Number Comments
bge 155442 bge driver is seen but does not respond to networking requests (a patch is available for 8.2 and driver will be fixed in 8.3). FIXME: This is not wireless driver.
run X Can only connect to open networks in 8.1; if network is encrypted, it scans forever without associating. 8.2 appears to fix this.
rum X X Some chip revisions have problems with poor signal strength if distance from AP is medium to high.


Table 3 provides a handy resource for checking to see if your wireless driver is known to work on FreeBSD and PC-BSD. Devices should be added alphabetically (then numerically). Only add devices that you have successfully used (e.g. don't add devices that "should" work according to the driver man page).

Table 3: Wireless Devices Known to Work

Device Name Driver i386 amd64 Comments
AR5001 ath YES
Belkin 54G (F5D7050) rum YES external USB
Broadcom Corporation Dell Wireless 1390 WLAN Mini-PCI Card (BCM4311) bwn YES YES Works in 8.1 or later, only station, adhoc-demo and monitor mode is currently supported. Must install net/bwn-firmware-kmod port. Not the bwi-firmware-kmod. 8.1 users may need to modify /usr/src/sys/kern/subr_firmware.c to read FIRMWARE_MAX 50 and recompile their kernel; this is not necessary in 8.2 or higher.
Broadcom 802.11b/g (BCM4318) bwn YES YES Same as above
Intel 5100AGN iwn Should work in 8.1 or later
RLT8187B urtw Should work in 8.0 or later

Table 4: Devices Needing Drivers

The following interfaces need a FreeBSD driver:

Device Name Driver Sources/Notes
BCM43224 http://wireless.kernel.org/en/users/Drivers/brcm80211
BCM43225 http://wireless.kernel.org/en/users/Drivers/brcm80211
BCM4313 http://wireless.kernel.org/en/users/Drivers/brcm80211
DW1501 appears to be Broadcom based, no open source driver or blob yet
RT2760T doesn't seem to have a blob for Linux yet
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