WI-FI Atheros Communications Inc. AR242x (AR5007EG)

WI-FI Atheros Communications Inc. AR242x (AR5007EG)

Tutoriales

Introducción:

El procedimiento definido en el tutorial asiste al usuario a la configuración de la placa de red WI-FI Atheros Communications Inc. AR242x, también conocida como AR5007EG. El proceso utiliza las herramientas madwifi(http://www.madwifi.org/) y las incluidas en cualquier GNU/Linux.

Procedimiento:

Primero deshabilita desde controladores restringidos todo lo que tenga que ver con wifi y tira en una terminal:

< lsmod | grep ath

eso lo que hace es listar el contenido de todos los modulos cargados en el sistema que contengan la palabra "ath". te va a salir algo parecido a esto:

> wlan 207728 1 ath_pci 
> ath_pci 101024 0

digo parecido por que pueden cambiar los números.
si esto no te sale, no hay nada que bajar de memoria, segui leyendo.
si esto te sale, entonces los bajamos con:

< sudo rmmod wlan
< sudo rmmod ath_pci

y luego:

< sudo modprobe -r wlan
< sudo modprobe -r ath_pci

y no te tiene que tirar ningún cartel de nada.

Entonces ahora si tenemos los módulos bajados y lo que tenemos que hacer es setearle que no se cargue de vuelta cuando reinicie la pc, tonces editamos un archivo:

< sudo nano /etc/default/linux-restricted-modules-common

y te aparece:

# This file is sourced from the linux-restricted-modules-common init
# script and is used to disable the link-on-boot feature, one module
# at a time.  This can be useful if you want to use hand-compiled
# versions of one or more modules, but keep linux-restricted-modules
# installed on your system, or just to disable modules you don't use
# and speed up your boot process by a second or two.
#
# Use a space-separated list of modules you wish to not have linked
# on boot.  The following example shows a (condensed) list of all
# modules shipped in the linux-restricted-modules packages:
#
# DISABLED_MODULES="ath_hal fc fglrx ltm nv"
#
# Note that disabling "fc" disables all fcdsl drivers, "ltm" disables
# ltmodem and ltserial, and "nv" disables the three nvidia drivers.
# You can also name each module individually, if you prefer a subset.
DISABLED_MODULES=""

y te tiene que quedar asi: (le agregamos el modulo que no queremos que cargue al final)

# This file is sourced from the linux-restricted-modules-common init # script and is used to disable the link-on-boot feature, one module # at a time. This can be useful if you want to use hand-compiled # versions of one or more modules, but keep linux-restricted-modules # installed on your system, or just to disable modules you don't use # and speed up your boot process by a second or two. # # Use a space-separated list of modules you wish to not have linked # on boot. The following example shows a (condensed) list of all # modules shipped in the linux-restricted-modules packages: # # DISABLED_MODULES="ath_hal fc fglrx ltm nv" # # Note that disabling "fc" disables all fcdsl drivers, "ltm" disables # ltmodem and ltserial, and "nv" disables the three nvidia drivers.

# You can also name each module individually, if you prefer a subset.

DISABLED_MODULES="ath_hal"

guardamos (CTRL + O) y salimos (CTRL + X).

Ahora lo mandamos a lista negra de los módulos con:

< echo "blacklist ath_pci" | sudo tee -a /etc/modprobe.d/blacklist

Luego debemos eliminar rastros de la versión vieja:

< sudo apt-get remove madwifi-tools --purge

Nunca esta de mas tener las herramientas de compilacion a mano:

< sudo apt-get update && sudo aptitude install build-essential gcc binutils autoconf automake

Ahora si arrancamos el proceso de instalacion, para esto nos bajamos el driver:

< wget http://snapshots.madwifi.org/madwifi-hal-0.10.5.6/madwifi-hal-0.10.5.6-r3835-20080801.tar.gz

descomprimimos:

< tar xzf madwifi-hal-0.10.5.6-r3835-20080801.tar.gz

entramos en el directorio:

< cd madwifi-hal-0.10.5.6-r3835-20080801

compilamos (NO hace falta SUDO):

< make

Algo así se ve la compilación, lo compilé para ver si tenia problemas pero compiló bien

faktorqm@the-edge:~$ wget http://snapshots.madwifi.org/madwifi-hal-0.10.5.6/madwifi-hal-0.10.5.6-r...
--22:48:35--  http://snapshots.madwifi.org/madwifi-hal-0.10.5.6/madwifi-hal-0.10.5.6-r...
           => `madwifi-hal-0.10.5.6-r3835-20080801.tar.gz'
Resolviendo snapshots.madwifi.org... 217.24.1.134
Conectando a snapshots.madwifi.org|217.24.1.134|:80... conectado.
Petición HTTP enviada, esperando respuesta... 200 OK
Longitud: 4.417.874 (4.2M) [application/x-gzip]
100%[====================================>] 4.417.874     60.83K/s    ETA 00:00
22:49:56 (54.02 KB/s) - `madwifi-hal-0.10.5.6-r3835-20080801.tar.gz' guardado [4417874/4417874]
faktorqm@the-edge:~$ tar xzf madwifi-hal-0.10.5.6-r3835-20080801.tar.gz
faktorqm@the-edge:~$ cd madwifi-hal-0.10.5.6-r3835-20080801
faktorqm@the-edge:~/madwifi-hal-0.10.5.6-r3835-20080801$ make
Checking requirements... ok.
Checking kernel configuration... ok.
make -C /lib/modules/2.6.24-19-generic/build SUBDIRS=/home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801 modules
make[1]: Entering directory `/usr/src/linux-headers-2.6.24-19-generic'
  CC [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/ath/if_ath.o
  CC [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/ath/if_ath_radar.o
  CC [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/ath/if_ath_hal_extensions.o
  CC [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/ath/if_ath_pci.o
  LD [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/ath/ath_pci.o
  CC [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/ath_hal/ah_os.o
  HOSTCC  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/ath_hal/uudecode
  UUDECODE /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/ath_hal/i386-elf._hal.o
  UNMANGLE /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/ath_hal/i386-elf.hal.o
  LD [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/ath_hal/ath_hal.o
  CC [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/ath_rate/amrr/amrr.o
  LD [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/ath_rate/amrr/ath_rate_amrr.o
  CC [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/ath_rate/minstrel/minstrel.o
  LD [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/ath_rate/minstrel/ath_rate_minstrel.o
  CC [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/ath_rate/onoe/onoe.o
  LD [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/ath_rate/onoe/ath_rate_onoe.o
  CC [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/ath_rate/sample/sample.o
  LD [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/ath_rate/sample/ath_rate_sample.o
  CC [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/net80211/if_media.o
  CC [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/net80211/ieee80211_skb.o
  CC [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/net80211/ieee80211.o
  CC [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/net80211/ieee80211_beacon.o
  CC [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/net80211/ieee80211_crypto.o
  CC [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/net80211/ieee80211_crypto_none.o
  CC [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/net80211/ieee80211_input.o
  CC [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/net80211/ieee80211_node.o
  CC [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/net80211/ieee80211_output.o
  CC [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/net80211/ieee80211_power.o
  CC [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/net80211/ieee80211_proto.o
  CC [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/net80211/ieee80211_scan.o
  CC [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/net80211/ieee80211_wireless.o
 CC [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/net80211/ieee80211_linux.o
  CC [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/net80211/ieee80211_monitor.o
  CC [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/net80211/ieee80211_rate.o
  CC [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/net80211/ieee80211_acl.o
  CC [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/net80211/ieee80211_crypto_ccmp.o
  CC [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/net80211/ieee80211_scan_ap.o
  CC [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/net80211/ieee80211_scan_sta.o
  CC [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/net80211/ieee80211_crypto_tkip.o
  CC [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/net80211/ieee80211_crypto_wep.o
 CC [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/net80211/ieee80211_xauth.o
  LD [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/net80211/wlan.o
  LD [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/net80211/wlan_wep.o
  LD [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/net80211/wlan_tkip.o
  LD [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/net80211/wlan_ccmp.o
  LD [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/net80211/wlan_acl.o
  LD [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/net80211/wlan_xauth.o
  LD [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/net80211/wlan_scan_sta.o
  LD [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/net80211/wlan_scan_ap.o
  Building modules, stage 2.
  MODPOST 14 modules
  CC      /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/ath/ath_pci.mod.o
  LD [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/ath/ath_pci.ko
  CC      /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/ath_hal/ath_hal.mod.o
  LD [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/ath_hal/ath_hal.ko
  CC      /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/ath_rate/amrr/ath_rate_amrr.mod.o
 LD [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/ath_rate/amrr/ath_rate_amrr.ko
  CC      /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/ath_rate/minstrel/ath_rate_minstrel.mod.o
 LD [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/ath_rate/minstrel/ath_rate_minstrel.ko
  CC      /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/ath_rate/onoe/ath_rate_onoe.mod.o
  LD [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/ath_rate/onoe/ath_rate_onoe.ko
  CC      /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/ath_rate/sample/ath_rate_sample.mod.o
  LD [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/ath_rate/sample/ath_rate_sample.ko
  CC      /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/net80211/wlan.mod.o
  LD [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/net80211/wlan.ko
  CC      /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/net80211/wlan_acl.mod.o
  LD [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/net80211/wlan_acl.ko
  CC      /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/net80211/wlan_ccmp.mod.o
  LD [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/net80211/wlan_ccmp.ko
  CC      /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/net80211/wlan_scan_ap.mod.o
  LD [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/net80211/wlan_scan_ap.ko
  CC      /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/net80211/wlan_scan_sta.mod.o
  LD [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/net80211/wlan_scan_sta.ko
 CC      /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/net80211/wlan_tkip.mod.o
  LD [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/net80211/wlan_tkip.ko
  CC      /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/net80211/wlan_wep.mod.o
  LD [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/net80211/wlan_wep.ko
  CC      /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/net80211/wlan_xauth.mod.o
  LD [M]  /home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/net80211/wlan_xauth.ko
make[1]: Leaving directory `/usr/src/linux-headers-2.6.24-19-generic'
make -C ./tools all || exit 1
make[1]: Entering directory `/home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/tools'
for d in ath_info; do \
 	make -C $d || exit 1; \
 done
make[2]: Entering directory `/home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/tools/ath_info'
gcc -g -O2 -W -Wall -c ath_info.c
gcc -g -O2 -W -Wall  -o ath_info ath_info.o
make[2]: Leaving directory `/home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/tools/ath_info'
gcc -o athstats -g -O2 -Wall -I. -I../hal -I.. -I../ath_hal -I../ath  athstats.c
gcc -o 80211stats -g -O2 -Wall -I. -I../hal -I.. -I../ath_hal  80211stats.c
gcc -o athkey -g -O2 -Wall -I. -I../hal -I.. -I../ath_hal  athkey.c
gcc -o athchans -g -O2 -Wall -I. -I../hal -I.. -I../ath_hal  athchans.c
gcc -o athctrl -g -O2 -Wall -I. -I../hal -I.. -I../ath_hal  athctrl.c
gcc -o athdebug -g -O2 -Wall -I. -I../hal -I.. -I../ath_hal  athdebug.c
gcc -o 80211debug -g -O2 -Wall -I. -I../hal -I.. -I../ath_hal  80211debug.c
gcc -o wlanconfig -g -O2 -Wall -I. -I../hal -I.. -I../ath_hal  wlanconfig.c
gcc -o wpakey -g -O2 -Wall -I. -I../hal -I.. -I../ath_hal  wpakey.c
make[1]: Leaving directory `/home/faktorqm/madwifi-hal-0.10.5.6-r3835-20080801/tools'
faktorqm@the-edge:~/madwifi-hal-0.10.5.6-r3835-20080801$

Instalamos:

< sudo make install

Ahora levantamos los modulos a memoria:

< sudo modprobe -a ath_pci wlan_scan_sta

Ahora levantamos la interfaz:

< sudo ifconfig ath0 up

y teoricamente ya deberias estar conectado. Ahora, asegurate de que la conexion a la cual te estes conectando ande y etcetcetc.

Ahora lo ultimo, hay que poner el modulo nuevo a /etc/modules para que lo levante cada vez que arranca:

< echo "ath_pci" | sudo tee -a /etc/modules

y ¡¡listo!!

bibliografia consultada:

post original (ubuntu-argentina): http://ubuntuforums.org/showpost.php?p=5633150&postcount=36
OBVIO: http://madwifi.org/wiki/UserDocs/FirstTimeHowTo
http://snapshots.madwifi.org/special/
bug en launchpad: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/196843
ubuntu chile: http://foros.ubuntu-cl.org/viewtopic.php?p=31909
ubuntu españa: http://www.ubuntu-es.org/index.php?q=node/83598
ubuntu en ingles: http://ubuntuforums.org/showthread.php?t=766529
lista de chipsets reconocidos por el kernel: http://kerneltrap.org/mailarchive/madwifi-devel/2008/2/18/890124
blogs: http://chamangt.wordpress.com/2008/05/08/activar-wireless-atheros-en-ubu...

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