[Madwifi-users] many and different problems with madwifi-ng

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hi every body, well i have many questions,  i really need your help!!

1) i work with debian sarge kernel 2.6.13, wireless tools v28, openssl 
v0.9.8a, freeradius v1.0.5, madwifi ng 2006/01/23, atheros 5212 based card.  
when i set up my ap it shows a message which says this:

iwconfig  Wireless-Tools version 28
          Compatible with Wireless Extension v11 to v19.

Kernel    Currently compiled with Wireless Extension v18.

ath0      Recommend Wireless Extension v13 or later,
          Currently compiled with Wireless Extension v18.

so what should i do to kernel and ath0 use v28 too?? i compiled again kernel 
but always it's compiled using v18. i think it could help solve some 
problems i have with this

2)where could i find a description of what exactly means and do all iwpriv 
options?? i'd like to know for example what does "bintval, ff, xr, ar", etc, 
  means and how they work with the driver, i have the pdf users guide, but 
there's no explanation about what exactly they mean and do .
And how to interpret code of driver_caps?

3)i want to add security to my wlan so i'm trying to use wpa2 (freeradius), 
is it necessary to type for example:
iwpriv ath0 keymgtalgs 2
iwpriv ath0 wpa 3
and if so how say driver it should redirect frames to freeradius before let 
users use wlan??
or should i do it with hostapd?? (commands keymgtalgs and wpa aren't 
necessaries so??)

4)my ap is very unstable, it looses connections suddenly and it's virtually 
impossible to recover it, i must physically restart my ap to clients can 
connect again. i have some captures of athdebug and 80211debug but i don't 
know what they mean, is there any document explaining this??  here are some 
captures:

Beginning debug and connection ok:

Jan 25 10:45:14 localhost kernel: ath_tx_start: Q1: (ds)dd88a040 
(lk)00000000 (d)0e8c8010 (c0)412200b0 (c1)064080ac 000b0000 0000001b
Jan 25 10:45:14 localhost kernel: ath_tx_txqaddbuf: txq depth = 2
Jan 25 10:45:14 localhost kernel: ath_tx_txqaddbuf: link[1] 
(dd889fe0)=1d88a040 (dd88a040)
Jan 25 10:45:14 localhost kernel: ath_intr: status 0x40
Jan 25 10:45:14 localhost kernel: ath_tx_processq: tx queue 1 (0x1d88a040), 
link dd88a040
Jan 25 10:45:14 localhost kernel: ath_tx_processq: frame's last desc: 
dd889fe0
Jan 25 10:45:14 localhost kernel: T (dd889fe0 1d889fe0) 1d88a040 0ef68020 
03220072 0700006e 000b0000 0000001b 91f00001 00050955 *
Jan 25 10:45:14 localhost kernel: ath_tx_processq: free skb d4bb6540
Jan 25 10:45:14 localhost kernel: ath_tx_processq: frame's last desc: 
dd88a040
Jan 25 10:45:14 localhost kernel: T (dd88a040 1d88a040) 00000000 0e8c8010 
412200b0 064080ac 000b0000 0000001b 00000000 00000000
Jan 25 10:45:14 localhost kernel: ath_intr: status 0x9
Jan 25 10:45:14 localhost kernel: ath_rx_tasklet
Jan 25 10:45:14 localhost kernel: R (dcda3330 1cda3330) 1cda3360 17a73020 
00000000 00000c60 12dd8036 08fe0003 *
Jan 25 10:45:14 localhost kernel: NODS 
00:14:a4:2d:0c:34->ff:ff:ff:ff:ff:ff(ff:ff:ff:ff:ff:ff) probe_req 1M +45
Jan 25 10:45:14 localhost kernel:
Jan 25 10:45:14 localhost kernel: 40 10 00 00 ff ff ff ff  ff ff 00 14 a4 2d 
0c 34
Jan 25 10:45:14 localhost kernel: ff ff ff ff ff ff c0 0d  00 00 01 08 02 04 
0b 16
Jan 25 10:45:14 localhost kernel: 24 30 48 6c 32 04 0c 12  18 60 dd 06 00 10 
18 02
Jan 25 10:45:14 localhost kernel: 00 00 52 a7 8a ff
Jan 25 10:45:14 localhost kernel:
Jan 25 10:45:14 localhost kernel: ath_tx_start: skb0 d4bba0a0 [data dd1a3810 
len 172] skbaddr 1d1a3810
Jan 25 10:45:14 localhost kernel: NODS 
00:0f:66:11:c1:97->00:14:a4:2d:0c:34(00:0f:66:11:c1:97) probe_resp 1M
Jan 25 10:45:14 localhost kernel:
Jan 25 10:45:14 localhost kernel: 50 00 3a 01 00 14 a4 2d  0c 34 00 0f 66 11 
c1 97
Jan 25 10:45:14 localhost kernel: 00 0f 66 11 c1 97 50 03  00 00 00 00 00 00 
00 00
Jan 25 10:45:14 localhost kernel: 64 00 21 04 00 0a 57 4c  41 4e 45 53 50 4f 
43 48
Jan 25 10:45:14 localhost kernel: 01 08 82 84 8b 0c 12 96  18 24 03 01 02 07 
06 4e
Jan 25 10:45:14 localhost kernel: 41 49 01 0b 1b 20 01 00  30 18 01 00 00 0f 
ac 02
Jan 25 10:45:14 localhost kernel: 02 00 00 0f ac 04 00 0f  ac 02 01 00 00 0f 
ac 02
Jan 25 10:45:14 localhost kernel: 00 00 dd 1a 00 50 f2 01  01 00 00 50 f2 02 
02 00
Jan 25 10:45:14 localhost kernel: 00 50 f2 04 00 50 f2 02  01 00 00 50 f2 02 
2a 01
Jan 25 10:45:14 localhost kernel: 00 32 04 30 48 60 6c dd  18 00 50 f2 02 01 
01 84
Jan 25 10:45:14 localhost kernel: 00 02 a3 40 00 27 a4 00  00 42 43 5e 00 62 
32 2f
Jan 25 10:45:14 localhost kernel: 00 dd 09 00 03 7f 01 01  00 24 ff 7f
Jan 25 10:45:14 localhost kernel:
Jan 25 10:45:14 localhost kernel: ath_tx_start: Q1: (ds)dd88a0a0 
(lk)00000000 (d)1d1a3810 (c0)412200b0 (c1)064080ac 000b0000 0000001b
Jan 25 10:45:14 localhost kernel: ath_tx_txqaddbuf: txq depth = 2
Jan 25 10:45:14 localhost kernel: ath_tx_txqaddbuf: link[1] 
(dd88a040)=1d88a0a0 (dd88a0a0)
Jan 25 10:45:14 localhost kernel: ath_intr: status 0x40
Jan 25 10:45:14 localhost kernel: ath_tx_processq: tx queue 1 (0x1d88a0a0), 
link dd88a0a0
Jan 25 10:45:14 localhost kernel: ath_tx_processq: frame's last desc: 
dd88a040
Jan 25 10:45:14 localhost kernel: T (dd88a040 1d88a040) 1d88a0a0 0e8c8010 
412200b0 064080ac 000b0000 0000001b f9f70001 0005cb6d *
Jan 25 10:45:14 localhost kernel: ath_tx_processq: free skb ddca22e0
Jan 25 10:45:14 localhost kernel: ath_tx_processq: frame's last desc: 
dd88a0a0
Jan 25 10:45:14 localhost kernel: T (dd88a0a0 1d88a0a0) 00000000 1d1a3810 
412200b0 064080ac 000b0000 0000001b 00000000 00000000
Jan 25 10:45:14 localhost kernel: ath_intr: status 0x9
Jan 25 10:45:14 localhost kernel: ath_rx_tasklet
Jan 25 10:45:14 localhost kernel: R (dcda3360 1cda3360) 1cda3390 1c80b020 
00000000 00000c60 12ad8036 4e1c0005 !
Jan 25 10:45:14 localhost kernel: ath_intr: status 0x4009
Jan 25 10:45:14 localhost kernel: ath_rx_tasklet
Jan 25 10:45:14 localhost kernel: R (dcda3390 1cda3390) 1cda33c0 183d8020 
00000000 00000c60 12bd8000 01451915 !
Jan 25 10:45:14 localhost kernel: ath_intr: status 0x4009
Jan 25 10:45:14 localhost kernel: ath_rx_tasklet
Jan 25 10:45:14 localhost kernel: R (dcda33c0 1cda33c0) 1cda33f0 0ef5c020 
00000000 00000c60 12bd8000 02071915 !
Jan 25 10:45:14 localhost kernel: ath_intr: status 0x4009
Jan 25 10:45:14 localhost kernel: ath_rx_tasklet
Jan 25 10:45:14 localhost kernel: R (dcda33f0 1cda33f0) 1cda3420 166cc020 
00000000 00000c60 12bd8000 02b01915 !
Jan 25 10:45:14 localhost kernel: ath_intr: status 0x4009
Jan 25 10:45:14 localhost kernel: ath_rx_tasklet
Jan 25 10:45:14 localhost kernel: R (dcda3420 1cda3420) 1cda3450 17241020 
00000000 00000c60 12cd8000 03801915 !
Jan 25 10:45:14 localhost kernel: ath_intr: status 0x9
Jan 25 10:45:14 localhost kernel: ath_rx_tasklet
Jan 25 10:45:14 localhost kernel: R (dcda3450 1cda3450) 1cda3480 17249020 
00000000 00000c60 125d8036 482c0003 *
Jan 25 10:45:14 localhost kernel: NODS 
00:14:a4:2d:0c:34->ff:ff:ff:ff:ff:ff(ff:ff:ff:ff:ff:ff) probe_req 1M +37
Jan 25 10:45:14 localhost kernel:
Jan 25 10:45:14 localhost kernel: 40 10 00 00 ff ff ff ff  ff ff 00 14 a4 2d 
0c 34
Jan 25 10:45:14 localhost kernel: ff ff ff ff ff ff f0 0d  00 00 01 08 02 04 
0b 16
Jan 25 10:45:14 localhost kernel: 24 30 48 6c 32 04 0c 12  18 60 dd 06 00 10 
18 02
Jan 25 10:45:14 localhost kernel: 00 00 22 d5 6a d2

and this just before clients lost connection with ap:

Jan 25 11:09:36 localhost kernel: ath_intr: status 0x10000
Jan 25 11:09:36 localhost kernel: ath_beacon_setup: m d7c1e2c0 len 178
Jan 25 11:09:36 localhost kernel: ath_intr: status 0x10000
Jan 25 11:09:36 localhost kernel: ath_beacon_setup: m d7c1e2c0 len 178

5)i have ethereal capturing packets, but always get this (50.1 is my ap and 
50.2 a client):
SOURCE       Destination               Protocol
             Cisco_Li_11:c1:97         EAPOL START
             Cisco_Li_11:c1:97         MDS HEAD MALFORMED PACKET
192.168.50.2   192.168.50.1            MDS HEAD MALFORMED PACKET

so, something is wrong, what are those malformed packets and how solve??

6)in clients i can "see" my wlan and can connect to it, but xp clients 
always shows an icon they aren't connected even they are using wlan.  after 
a while clients lost connection and when xp tries to fix connection it's 
impossible o requires a key i never can type because any of my keys are 
correct.

ok, i know these are many questions but i really need help, coul some body 
try??
thanks in advance, for your time and patience.

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