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With this patch, a new promiscuous mode is enabled. If the module is loaded with the rtap_iface=1 module parameter, two interfaces will be created (instead of just one). The second interface is prefixed 'rtap' and provides received 802.11 frames on the current channel to user space in a radiotap header format. Example usage: % modprobe ipw2200 rtap_iface=1 % iwconfig eth1 essid MyNetwork % dhcpcd eth1 % tcpdump -i rtap0 If you do not specify 'rtap_iface=1' then the rtap interface will not be created and you will need to turn it on via: % echo 1 > /sys/bus/pci/drivers/ipw2200/*/rtap_iface You can filter out what type of information is passed to user space via the rtap_filter sysfs entry. Currently you can tell the driver to transmit just the headers (which will provide the RADIOTAP and IEEE 802.11 header but not the payload), to filter based on frame control type (Management, Control, or Data), and whether to report transmitted frames, received frames, or both. The transmit frame reporting is based on a patch by Stefan Rompf. Filters can be get and set via a sysfs interface. For example, set the filter to only send headers (0x7), don't report Tx'd frames (0x10), and don't report data frames (0x100): % echo 0x117 > /sys/bus/pci/drivers/ipw2200/*/rtap_filter All your packets are belong to us: % tethereal -n -i rtap0 Signed-off-by: James Ketrenos <jketreno@linux.intel.com> Signed-off-by: Zhu Yi <yi.zhu@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com> |
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.. | ||
bcm43xx | ||
hostap | ||
prism54 | ||
airo_cs.c | ||
airo.c | ||
airo.h | ||
airport.c | ||
arlan-main.c | ||
arlan-proc.c | ||
arlan.h | ||
atmel_cs.c | ||
atmel_pci.c | ||
atmel.c | ||
atmel.h | ||
hermes_rid.h | ||
hermes.c | ||
hermes.h | ||
i82586.h | ||
i82593.h | ||
ipw2100.c | ||
ipw2100.h | ||
ipw2200.c | ||
ipw2200.h | ||
Kconfig | ||
Makefile | ||
netwave_cs.c | ||
orinoco_cs.c | ||
orinoco_nortel.c | ||
orinoco_pci.c | ||
orinoco_pci.h | ||
orinoco_plx.c | ||
orinoco_tmd.c | ||
orinoco.c | ||
orinoco.h | ||
ray_cs.c | ||
ray_cs.h | ||
rayctl.h | ||
README | ||
spectrum_cs.c | ||
strip.c | ||
todo.txt | ||
wavelan_cs.c | ||
wavelan_cs.h | ||
wavelan_cs.p.h | ||
wavelan.c | ||
wavelan.h | ||
wavelan.p.h | ||
wl3501_cs.c | ||
wl3501.h |
README ------ This directory is mostly for Wireless LAN drivers, in their various incarnations (ISA, PCI, Pcmcia...). This separate directory is needed because a lot of driver work on different bus (typically PCI + Pcmcia) and share 95% of the code. This allow the code and the config options to be in one single place instead of scattered all over the driver tree, which is never 100% satisfactory. Note : if you want more info on the topic of Wireless LANs, you are kindly invited to have a look at the Wireless Howto : http://www.hpl.hp.com/personal/Jean_Tourrilhes/Linux/ Some Wireless LAN drivers, like orinoco_cs, require the use of Wireless Tools to be configured : http://www.hpl.hp.com/personal/Jean_Tourrilhes/Linux/Tools.html Special notes for distribution maintainers : 1) wvlan_cs will be discontinued soon in favor of orinoco_cs 2) Please add Wireless Tools support in your scripts Have fun... Jean