Luis R. Rodriguez wrote: > On Sun, Sep 13, 2009 at 8:41 PM, Hin-Tak Leung <hintak.leung@xxxxxxxxx> wrote: > >> On Sun, Sep 13, 2009 at 11:13 AM, Hin-Tak Leung <hintak.leung@xxxxxxxxx> wrote: >> >>> On Sat, Sep 12, 2009 at 11:43 PM, Leonardo H. Souza Hamada >>> <leonardo.hamada@xxxxxxxxxxx> wrote: >>> >>>> Hi all, >>>> >>>> At this moment, after tweaking the zd1211rw code in kernel >>>> 2.6.31-gentoo, finally I am able to use the WLI-U2-KG54L wireless usb >>>> dongle on this old ibook. >>>> >>>> Browsing the source with a cross referencing tool >>>> (http://lxr.free-electrons.com) and making additional checking points, I >>>> could trace the issue as follow. >>>> >>>> The problem is that this device returns a regulatory region of 0x49, >>>> which is not defined in the zd1211rw tables. So the call >>>> >>>> r <http://lxr.free-electrons.com/ident?i=r> = zd_reg2alpha2 <http://lxr.free-electrons.com/ident?i=zd_reg2alpha2>(mac <http://lxr.free-electrons.com/ident?i=mac>->regdomain, alpha2); >>>> >>>> will fail the initialization process. >>>> >>>> >>>> Workaround: >>>> >>>> ----snip---- >>>> int zd_mac_init_hw(struct ieee80211_hw *hw) >>>> { >>>> ... >>>> r = zd_read_regdomain(chip, &default_regdomain); >>>> /* A unknown regulatory of 0x49 will be set default to >>>> ZD_REGDOMAIN_FCC. */ >>>> if (0x49 == default_regdomain) >>>> default_regdomain = ZD_REGDOMAIN_FCC; >>>> ... >>>> ----snip---- >>>> >>>> The above code will force the default regulatry to be FCC code for this >>>> case. I think that this was the case in previous zd1211rw driver. What >>>> is the country code for 0x49 region? There is a better way? >>>> >>>> >>>> Thanks all, >>>> >>>> Phew!! Leonardo >>>> >>> The vendor driver has quite a lot more regdomain code defined, and >>> 0x49 is apparently >>> >>> ZD_Region_Japan_3 = 0x49,//G channel->ch1-13; A channel->8~16,34~46; >>> >>> the rw driver code probably should set it to most restrictive than let >>> it fail... >>> >>> >> Can you give this patch a try against a recent >> wireless-testing/compat-wireless? I think this is the correct way to >> do things. >> >> Here is the content of the patch for others who doesn't like >> attachments - it just sets 0x49 as Japan. >> ============================== >> diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c >> b/drivers/net/wireless/zd1211rw/zd_mac.c >> index 6d66635..b0d32c4 100644 >> --- a/drivers/net/wireless/zd1211rw/zd_mac.c >> +++ b/drivers/net/wireless/zd1211rw/zd_mac.c >> @@ -42,6 +42,7 @@ static struct zd_reg_alpha2_map reg_alpha2_map[] = { >> { ZD_REGDOMAIN_ETSI, "DE" }, /* Generic ETSI, use most restrictive */ >> { ZD_REGDOMAIN_JAPAN, "JP" }, >> { ZD_REGDOMAIN_JAPAN_ADD, "JP" }, >> + { ZD_REGDOMAIN_JAPAN_3, "JP" }, >> { ZD_REGDOMAIN_SPAIN, "ES" }, >> { ZD_REGDOMAIN_FRANCE, "FR" }, >> }; >> diff --git a/drivers/net/wireless/zd1211rw/zd_mac.h >> b/drivers/net/wireless/zd1211rw/zd_mac.h >> index 7c27591..9701935 100644 >> --- a/drivers/net/wireless/zd1211rw/zd_mac.h >> +++ b/drivers/net/wireless/zd1211rw/zd_mac.h >> @@ -193,6 +193,7 @@ struct zd_mac { >> #define ZD_REGDOMAIN_FRANCE 0x32 >> #define ZD_REGDOMAIN_JAPAN_ADD 0x40 >> #define ZD_REGDOMAIN_JAPAN 0x41 >> +#define ZD_REGDOMAIN_JAPAN_3 0x49 >> > > FWIW, this does seem right. > > Luis > -- > 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 > * Ok, got *compat-wireless-2.6.tar.bz2 <http://wireless.kernel.org/download/compat-wireless-2.6/compat-wireless-2.6.tar.bz2>* "bleeding edge compat-wireless" from* here: http://wireless.kernel.org/download/compat-wireless-2.6/compat-wireless-2.6.tar.bz2 Steps done, so so: tar -xjf compat-wireless-2.6.tar.bz2 cd compat-wireless-2009-09-14/ cp -v ../zd1211rw_jp3.diff . `../zd1211rw_jp3.diff' -> `./zd1211rw_jp3.diff' patch -p1 < zd1211rw_jp3.diff patching file drivers/net/wireless/zd1211rw/zd_mac.c patching file drivers/net/wireless/zd1211rw/zd_mac.h ./scripts/driver-select zd1211rw Processing new driver-select request... Backing up makefile: Makefile.bk Backing up makefile: drivers/net/wireless/Makefile.bk Backing up makefile: net/wireless/Makefile.bk Backing up makefile: drivers/ssb/Makefile.bk Backing up makefile: drivers/net/usb/Makefile.bk Backing up makefile: drivers/misc/eeprom/Makefile.bk make /home/leo/compat-wireless-2009-09-14/config.mk:17: *** "ERROR: you have MAC80211 compiled into the kernel, CONFIG_MAC80211=y, as such you cannot replace its mac80211 driver. You need this set to CONFIG_MAC80211=m. If you are using Fedora upgrade your kernel as later version should this set as modular. For further information on Fedora see https://bugzilla.redhat.com/show_bug.cgi?id=470143. If you are using your own kernel recompile it and make mac80211 modular". Pare. <<<Disabling original zd1211rw in kernel configuration, recompiled kernel as instructed above, installed new kernel, reboot, many times until I got it right>>> Results: dmesg seems ok. no errors. can do iwlist wlan0 iwconfig wlan0 shows: IEEE 802.11bg Mode:Managed Access Point: Not-Associated Tx-Power=20 dBm Retry long limit:7 RTS thr:off Fragment thr:off Encryption key:off Power Management:off I do not seem to be able to connect to a given access point so far. LED does not blink. It can be that there is a query on the new values against other. Just a guess. Regards, Leonardo -- 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
