Changing headers in an Access Point

Jouni Malinen j
Mon Jan 19 11:56:05 PST 2009

On Mon, Jan 19, 2009 at 05:37:43PM +0200, David Shwatrz wrote:

> My question is about data frames: as far as I understand, when data
> frames are received in an Access Point, the packets should be relayed
> for the final destination. Are any headers of this data packets
> changed in the AP ? and in case this is so, is it done in the hostapd
> code or in the kernel code?

The IEEE 802.11 header changes when frames are forwarded between two
associated stations. The actual payload is not normally changed. hostapd
does not touch any such data frame, i.e., this would be done in the

Jouni Malinen                                            PGP id EFC895FA

More information about the Hostap mailing list