On second halfath i left regdomain untouched so 0 madwiving, so only channels 5,3 and 5,8 available. It adds a couple of extra channels, but not the full channel list that im allowed to use. For nearby transceivers, as in the factory defaults of multiradio devices, this results in at most two non interfering channels, one within 2. Patchv6 0018 add support for 5 and 10 mhz channels from. How to get ath5k working on jaunty with compatwireless. So it is fair to say ath9k will not support 5 mhz 10 mhz channels. Driver only uses the region set in the atheros eeprom. Madwifi has been subsumed by ath5k and ath9k for all intents and purposes. Wireless driver updates and stability improvements experimential support for 5 and 10 mhz channels in ath5k and ath9k package updates and dependency fixes new target support. The availability of these channels depends on regulatory domain in which they are operating. These adjustable channels widths are now part of the standard atherosmadwifi hal. If you are installing new madwifi modules, you should consider removing those already installed, or else you may experience problems during operation. Ive found some patches to help modify the driver openwrt but i dont know how to add them.
Unlike madwifing, this driver is based on the new mac80211 stack, meaning that it requires aircrackng v1. Device drivers network device support wireless lan atheros wireless cards atheros 5xxx wireless cards support to try the driver you can do something like this. Fix short and long retry configuration carolyn wyborny 12. Patchv6 0018 add support for 5 and 10 mhz channels. The newer family of chipsets ar9280, ar2985, ar9287 all do not support 5 10 mhz channels either in harware or software. Code analysis of the linux wireless teams ath5k driver. Now with ath5k, ath9k drivers and crdaregdb 0x00 defaults to a us configuration and overrides any other locale information. Ive been revising linux wireless driver ath9k to implement notify channel width action frame. Experimental investigation of coexistence interference on.
Wireless driver updates and stability improvements. The ath9k driver uses them also when you set something else. This is a list of the status of some opensource drivers for 802. Wireless network cards for computers require control software to make them function firmware, device drivers. When option chanbw is set to 5 or 10, wlan0 ups as normal, but sees no stations and cant be seen by others as ap. Why 20 mhz channelization ieee standards association. Atheros ar92xx ath9k driver atheros ar5414 ath5k driver the ar5414 is based on a minipci connector, which does not fit on my target board. For ath5k this is not implemented, so it will only give you the noise values of the current channel. This fixes problems with pcie cards, especially on acer aspire one.
An uptodate kernel will show the interface to configure spectral scanning in debugfs. Supported devices are listed at the end of this page it does not require a binary hal hardware abstraction layer and no firmware is required to be loaded from userspace. Comparison of opensource wireless drivers wikipedia. I used to have some trouble while setting up my atheros pci card on ubuntu linux 9. Supported devices are listed at the end of this page unlike the madwifi driver, ath5k does not require a binary hal hardware abstraction layer. I want to try to modify my ath9k driver so that it overrides the eeprom, but im not really sure how to. Vastly improved ath9k driver stability and performance dependency fixes for packages more iptables addons, improved netfilter performance experimental support for 5 and 10mhz channels in ath5k and ath9k support for 6rd configuration experimental crashlog feature. This patch is part of linux starting from version 4. Experimential support for 5 and 10 mhz channels in ath5k and ath9k. For ham radio usage i need to patch the eeprom of my ar928x wifi adapter for full tx support. Hardware encryption is enabled again, by sharing code with ath9k. Wirelessnenabled atheros chipsets should use ath9k instead. How to get ath5k working on jaunty with compatwireless and a selfcompiled kernel. Ath5k is a completely foss wireless driver for atheros based wireless chipset versions ar5xxx in the linux kernel.
Currently a better choice for some chipsets, but not all chipsets are supported see below ath9k is the newest of these three drivers, it is intended for newer atheros chipsets. I was using old wifi based on atheros 2xxx works with ath5k modules, and while iwconfig wlan0 mode ap used to work fine with madvifi drivers and perhaps 2. Will a kernel update overwrite my wireless driver from a newer kernel. Before that hw encryption was disabled in ap mode due to bugs in the. The hp transceivers, operating via the ar9220 chipset, require the ath9k linux driver while the lp ones, hosting an ar5414 chipset, require the ath5k linux driver. This is done by reducing the channel bandwidth spacing down to as low as 5 mhz per channel instead of 20 in normal mode.