On Wed, Dec 30, 2009 at 7:17 AM, Corey Wright <undefined@xxxxxxxxx> wrote: > On Mon, 21 Dec 2009 10:46:18 -0800 > "Luis R. Rodriguez" <mcgrof@xxxxxxxxx> wrote: > >> > actually, i have no personal stake in the fix as after i got it to work >> > i learned that the new release is not compatible with my older >> > distro-provided user-land (doesn't recognize it as wireless), >> >> Old userspace should not bust. If you find what the issue was let us >> know. AFAICT old userspace tend to look for 3 possible things to see >> if a device is a wireless device. >> >> 1) Wireless-tools requires SIOCGIWRANGE >> 2) Network manager requires SIOCGIWNAME >> 3) Linux hald < 0.5.12 used to use check the existance of >> /sys/class/net/<interface>/wireless/ >> >> The only one I can think of your userspace might have an issue with is >> the last one but even then you should get this if you have >> CONFIG_WIRELESS_EXT_SYSFS=y on 2.6.27.41 > > the primary differences between compat-wireless 2.6.30 & 2.6.32.2 ath5k on > 2.6.27.42 (by observation of the resulting environment) is the older > version creates a corresponding wmaster0 interface and the wlan0 sysfs > entry has a wireless directory (ie /sys/class/net/wlan0/wireless). > > hal is version 0.5.11rc2 (from "hald --version") and indeed does not > recognize wlan0 as 802.11, but instead 802.03 (from "hal-device"). > > without digging into the hal source (though i guess i could simply strace > it and see if it tests for the wireless subdirectory), it appears your idea > was correct, but i have CONFIG_WIRELESS_EXT_SYSFS=y. > > from my 2.6.27.42 .config (which i compiled & ran both compat-wireless > versions against): > # > # Wireless > # > CONFIG_CFG80211=m > CONFIG_NL80211=y > CONFIG_WIRELESS_EXT=y > CONFIG_WIRELESS_EXT_SYSFS=y > CONFIG_MAC80211=m > > if you have any other ideas, patches, etc, then i'll try them. or tell me > that hal < 0.5.12 is unsupported and i'll stick with compat-wireless-2.6.30. > > for the record: wireless-tools (iwconfig) recognizes wlan0 as "IEEE > 802.11bg" with both compat-wireless versions and NetworkManager only used > SIOC[SG]IW* ioctl requests (eg ESSID, MODE) with the older version (as seen > by strace), so i figure hal reported wlan0 as 802.03 and NetworkManager > believed it (never trying wireless ioctl requests). > > thanks for your work (going all the way back to prism54)! > > corey > -- > undefined@xxxxxxxxx > -- > To unsubscribe from this list: send the line "unsubscribe linux-wireless" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > Having looked at hal source a bit, I think it doesn't do much more than monitoring things going on in /sys - most of the device probing code is in hal/hald/linux/device.c, if that helps. hal is not big and not too difficult to find your way around. wmaster is on its way out, I think. -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
