kinda hack?

Jouni Malinen jkmaline
Thu Aug 19 06:20:43 PDT 2004

On Thu, Aug 19, 2004 at 08:56:22PM +0900, Donghyuk Woo wrote:

> Second, I modified hostap_data_start_xmit of hostap_80211_tx.c.
> I changed addr1 field (destination address) to another address which doesn't
> exist on the network if the packet was generated by my udp client program,
> (I compared the udp port number.) and then called dev_queue_xmit.
> However, I counldn't find out those packets !!!

I'm assuming you are in Host AP mode. Host AP driver drops packets that
are going to non-associated address. If you change the address, but do
not have the new address associated with the AP, the packet will be
dropped. This verification happens after hostap_data_start_xmit() gets

Jouni Malinen                                            PGP id EFC895FA

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