[Click] Feedback from madwifi in Click

[Peter De Cleyn]

Hello Javier,

Thanks for your info. This is actually what I did in the past and I manage
to exchange packets between the two hosts. Now to illustrate my problem,
could you please change your script to include following lines:

tx_filter[1]
-> PrintWifi(Feedback)
-> Idle();

Normally I would expect that for each packet you send on e.g. node1, node1
also receives back via FromDevice(ath2) the same packet, now annotated with
correct tranmission statistics. These packets are normally filtered out by
the FilterTX element and dropped if port 1 was not connected. With the
supplied three additionally lines, you could verify if you can receive the
feedback packets.


Peter
On Wed, Feb 27, 2008 at 2:56 PM, Javier Sánchez <javier.recacha at gmail.com>
wrote:

> Hello,
>
> Sorry, I don't know exactly where is your error, so i explain how i
> achieve to connect 2 wireless cards via monitor mode. Suppose you have 2
> nodes
>
> 1) install driver madwifi 0.9.4 (I think it works better than 0.9.3 in
> monitor mode...)
>
> 2) Configure monitor mode:
>
>    wlanconfig ath2 create wlandev wifi0 wlanmode monitor
>
> 3) Configure static arp:
>
>   On node 1 -> arp -s 6.0.0.2 Mac_address_node2
>   On node 2 -> arp -s 6.0.0.1 Mac_address_node1
>
> 4) Install pseudo ibbs click script:
>
> AddressInfo(safe_addr 6.0.0.1/8Mac_address_node1); // only at node 1
> AddressInfo(safe_addr 6.0.0.2/8Mac_address_node2); // only at node 2
>
> winfo :: WirelessInfo(BSSID 00:00:00:00:00:00);
>
>
> //   ***********
> //   * Enviar  *
> //   ***********
>
>
> FromHost(safe, safe_addr, ETHER safe_addr)
> -> q :: Queue()
> -> Print("IP enviar: ")
> -> encap :: WifiEncap(0x0, WIRELESS_INFO winfo)
> -> PrintWifi("WIFI enviar: ")
> -> set_power :: SetTXPower(63)
> -> set_rate :: SetTXRate(11)
> -> radiotap_encap :: RadiotapEncap()
> -> to_dev :: ToDevice(ath2);
>
> //   ***********
> //   * Recivir *
> //   ***********
>
> from_dev :: FromDevice(ath2)
>
>
> -> radiotap_decap :: RadiotapDecap()
> -> phyerr_filter :: FilterPhyErr()
> -> tx_filter :: FilterTX()
> -> dupe :: WifiDupeFilter()
> -> wifi_cl :: Classifier(0/08%0c 1/00%03) //nods data
> -> rx :: RXStats()
> -> PrintWifi("WIFI recivir: ")
> -> WifiDecap()
> -> SetPacketType(HOST)
> -> Print("IP revivir: ")
> -> ToHost(safe);
> salutations
> Javier Sánchez
>