Date: Fri, 17 Feb 2012 15:01:36 GMT From: Petko Bordjukov <bordjukov@gmail.com> To: freebsd-gnats-submit@FreeBSD.org Subject: standards/165236: The NONE Wi-Fi regulatory restricts use of channels 12:ht/40- and 13:ht/40- Message-ID: <201202171501.q1HF1aOq099013@red.freebsd.org> Resent-Message-ID: <201202171510.q1HFAEgo033387@freefall.freebsd.org>
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>Number: 165236 >Category: standards >Synopsis: The NONE Wi-Fi regulatory restricts use of channels 12:ht/40- and 13:ht/40- >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-standards >State: open >Quarter: >Keywords: >Date-Required: >Class: change-request >Submitter-Id: current-users >Arrival-Date: Fri Feb 17 15:10:13 UTC 2012 >Closed-Date: >Last-Modified: >Originator: Petko Bordjukov >Release: 10.0-CURRENT >Organization: >Environment: # uname -a FreeBSD apd3n 10.0-CURRENT FreeBSD 10.0-CURRENT #6 r231845M: Thu Jan 1 02:00:00 EET 1970 root@dummy:/crossbuild/mipseb/obj/mips.mipseb/src-head/sys/ROUTERSTATION mips >Description: The current specification of the NONE regulatory domain does not permit use of channels 12:ht/40- and 13:ht/40-. There is a large possibility that usage of these channels is permitted under the EU regulations, however I was unable to find concrete information to support this, except the contents of the regulatory database found here: http://git.kernel.org/?p=linux/kernel/git/linville/wireless-regdb.git;a=blob_plain;f=db.txt;hb=HEAD More info: http://en.wikipedia.org/wiki/802.11n#40.C2.A0MHz_in_2.4.C2.A0GHz http://en.wikipedia.org/wiki/List_of_WLAN_channels EU Standards: ETSI EN 300 328 V1.7.1 # dmesg --- cut --- ath0: <Atheros 9220> irq 0 at device 17.0 on pci0 ath0: [HT] enabling HT modes ath0: [HT] 2 RX streams; 2 TX streams ath0: AR9220 mac 128.2 RF5133 phy 13.0 ath0: 2GHz radio: 0x0000; 5GHz radio: 0x00c0 --- cut --- # ifconfig wlan0 country BG # ifconfig wlan0 regdomain NONE # ifconfig wlan0 wlan0: flags=8802<BROADCAST,SIMPLEX,MULTICAST> metric 0 mtu 1500 ether <-- removed --> inet6 fe80::<-- removed -->%wlan0 prefixlen 64 scopeid 0x7 nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL> media: IEEE 802.11 Wireless Ethernet autoselect mode 11ng <hostap> (autoselect <hostap>) status: no carrier ssid test channel 1 (2412 MHz 11b) regdomain NONE country BG indoor ecm authmode OPEN privacy OFF txpower 30 scanvalid 60 wme burst dtimperiod 1 # ifconfig wlan0 up # ifconfig wlan0 channel 13:ht/40- ifconfig: unknown/undefined channel number 13 flags 0x40000 >How-To-Repeat: ifconfig wlan0 create wlandev ath0 wlanmode hostap ssid test ifconfig wlan0 country BG ifconfig wlan0 regdomain NONE ifconfig wlan0 channel 13:ht/40- >Fix: Apply the attached patch to /etc/regdomain.xml Patch attached with submission follows: Index: etc/regdomain.xml =================================================================== --- etc/regdomain.xml (revision 231845) +++ etc/regdomain.xml (working copy) @@ -1154,7 +1154,7 @@ <flags>IEEE80211_CHAN_HT20</flags> </band> <band> - <freqband ref="H4_2412_2462"/> + <freqband ref="H4_2412_2472"/> <maxpower>30</maxpower> <flags>IEEE80211_CHAN_G</flags> <flags>IEEE80211_CHAN_HT40</flags> >Release-Note: >Audit-Trail: >Unformatted:
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