Re: Using compat-wireless w/ 2.6.27.26

["Philip A. Prindeville" <philipp_subx@redfish-solutions.com>]

Errr...  building 2.6.27.26 rather, as per the title...


Philip A. Prindeville wrote:
> I'm the lead developer on the Astlinux project, which I might have
> mentioned in a previous posting.  This means that I have my hands in
> many pots, so I'm not an expert in the latest Linux kernel changes... be
> patient with me.  Hard to keep track of 200+ individual projects.
>
> I'm building 2.6.26.27 as I said for (amongst other things) an Alix 2D3
> (GeodeLX) with EMP-8602 (AR-5413) as a test platform.
>
> My kernel gets built with:
>
> #
> # Wireless
> #
> CONFIG_CFG80211=m
> CONFIG_NL80211=y
> CONFIG_WIRELESS_EXT=y
> # CONFIG_WIRELESS_EXT_SYSFS is not set
> CONFIG_MAC80211=m
>
> #
> # Rate control algorithm selection
> #
> CONFIG_MAC80211_RC_PID=y
> CONFIG_MAC80211_RC_DEFAULT_PID=y
> CONFIG_MAC80211_RC_DEFAULT="pid"
> # CONFIG_MAC80211_MESH is not set
> CONFIG_MAC80211_LEDS=y
> # CONFIG_MAC80211_DEBUG_MENU is not set
> # CONFIG_IEEE80211 is not set
> CONFIG_RFKILL=m
> CONFIG_RFKILL_INPUT=m
> CONFIG_RFKILL_LEDS=y
> # CONFIG_NET_9P is not set
>
>
> I build compat-wireless-2.6.30 into /lib/modules/2.6.27.26-astlinux/kernel/... as a Kbuild.
>
> The system also has iw-0.9.15 and hostapd-0.6.9.
>
> All of this is fairly straightforward.
>
> On boot, our /etc/init.d scripts do the following:
>
> + modprobe ath5k
> ath5k phy0: Atheros AR5413 chip found (MAC: 0xa4, PHY: 0x61)
>
> + iw dev wlan0 interface add ap0 type managed
> + ip link set ap0 up
> + iw dev ap0 connect xxxx
> command failed: Operation not supported (-95)
>
>
>
> So doing some sanity checks by hand I get:
>
> pbx ~ # lsmod | head
> Module                  Size  Used by
> ath5k                 104772  0 
> mac80211              153304  1 ath5k
> cfg80211               54584  2 ath5k,mac80211
> binfmt_misc             7112  1 
> aes_i586                7456  0 
> aes_generic            28968  1 aes_i586
> lm90                   11944  0 
> hwmon                   2324  1 lm90
> scx200_acb              4356  0 
> pbx ~ # iw dev ap0 info
> Interface ap0
> 	ifindex 9
> 	type managed
> pbx ~ # iw phy phy0 info
> command failed: No buffer space available (-105)
> pbx ~ # 
>
>
> Not sure why the "phy ... info" command fails.
>
> pbx ~ # hostapd -v
> hostapd v0.6.9
> User space daemon for IEEE 802.11 AP management,
> IEEE 802.1X/WPA/WPA2/EAP/RADIUS Authenticator
> Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi> and contributors
> pbx ~ # cat /etc/hostapd.conf
> # automatically generated. do not edit!
>
> logger_syslog=-1
> logger_syslog_level=2
> logger_stdout=--1
> logger_stdout_level=2
>
> debug=0
>
> ctrl_interface_group=0
>
> # should this be per-ssid?
> macaddr_acl=0
>
> dump_file=/tmp/hostapd.dump
>
> # should this be an option?
> hw_mode=b
>
> bridge=br1
> interface=ap0
> driver=nl80211
> ssid=xxxxx
> channel=0
>
> auth_algs=1
>
> wpa_passphrase=yyyyy
> wpa=2
> wpa_key_mgmt=WPA-PSK
> wpa_pairwise=TKIP
> rsn_pairwise=CCMP
>
> ignore_broadcast_ssid=1
>
> wpa_strict_rekey=1
> wpa_group_rekey=600
> wpa_gmk_rekey=14400
>
> pbx ~ # ip link show ap0
> 9: ap0: <BROADCAST,MULTICAST> mtu 1500 qdisc pfifo_fast state DOWN qlen 1000
>     link/ether 00:02:6f:5a:d2:2b brd ff:ff:ff:ff:ff:ff
> pbx ~ # brctl show
> bridge name	bridge id		STP enabled	interfaces
> br1		8000.00026f5ad22b	no		ap0
> 							eth0
> pbx ~ # 
> pbx ~ # hostapd -dddd -P /var/run/hostapd.pid /etc/hostapd.conf
> Configuration file: /etc/hostapd.conf
> Line 8: DEPRECATED: 'debug' configuration variable is not used anymore
> ctrl_interface_group=0
> Failed to set interface ap0 to master mode.
> nl80211 driver initialization failed.
> ap0: Unable to setup interface.
> ELOOP: remaining socket: sock=5 eloop_data=0x8098028 user_data=(nil) handler=0x806f503
> pbx ~ # 
> pbx ~ # ldd /usr/bin/hostapd
> 	libnl.so.1 => /usr/lib/libnl.so.1 (0xb7f04000)
> 	libcrypto.so.0.9.8 => /lib/libcrypto.so.0.9.8 (0xb7df8000)
> 	libgcc_s.so.1 => /lib/libgcc_s.so.1 (0xb7def000)
> 	libc.so.0 => /lib/libc.so.0 (0xb7da5000)
> 	libm.so.0 => /lib/libm.so.0 (0xb7d97000)
> 	libdl.so.0 => /lib/libdl.so.0 (0xb7d94000)
> 	ld-uClibc.so.0 => /lib/ld-uClibc.so.0 (0xb7f3d000)
> pbx ~ # 
>
>
> And on the host that this was cross-compiled:
>
> [philipp@builder ~/kernel]$ cat build_i586/hostapd-0.6.9/hostapd/.config 
> CFLAGS+=-Os -Wall -Os -pipe -fomit-frame-pointer -march=k6-2 -fno-align-functions -fno-align-loops -fno-align-jumps -fno-align-labels 
> CFLAGS+= -DUSE_KERNEL_HEADERS -I/home/philipp/kernel/build_i586/linux-2.6.27.26-astlinux/include
> CONFIG_IEEE80211N=y
> CONFIG_DRIVER_NL80211=y
> CFLAGS+=-I/home/philipp/kernel/build_i586/staging_dir/usr/include
> LIBS+=-L/home/philipp/kernel/build_i586/root/usr/lib
> CONFIG_DRIVER_NONE=y
> CONFIG_DRIVER_WIRED=y
> CONFIG_IAPP=y
> CONFIG_RSN_PREAUTH=y
> CONFIG_PEERKEY=y
> CONFIG_EAP=y
> CONFIG_EAP_MD5=y
> CONFIG_EAP_MSCHAPV2=y
> CONFIG_EAP_GTC=y
> CONFIG_EAP_SIM=y
> CONFIG_EAP_AKA=y
> CONFIG_EAP_AKA_PRIME=y
> CONFIG_EAP_PAX=y
> CONFIG_EAP_PSK=y
> CONFIG_EAP_SAKE=y
> CONFIG_EAP_GPSK=y
> CONFIG_EAP_GPSK_SHA256=y
> CONFIG_EAP_IKEV2=y
> CONFIG_PKCS12=y
> CONFIG_IPV6=y
> CONFIG_IEEE80211R=y
> CONFIG_IEEE80211N=y
> [philipp@builder ~/kernel]$ 
>
>
>
> What am I missing?
>
> How should I go about debugging this?
>
> Thanks,
>
> -Philip
>