[Ninux-Wireless] Problema Openwrt wifi 5ghz

[Gabriele Amendola]

La versione è Backfire 10.03.1-rc4, r24045 e questi sono i pacchetti installati:

root a OpenWrt:~# opkg list_installed
base-files - 43.10-r24505
block-hotplug - 0.1.0-2
block-mount - 0.1.0-2
busybox - 1.15.3-2
crda - 1.1.0-2
dnsmasq - 2.55-6
dropbear - 0.52-4
firewall - 1-20
hostapd - 20100705-2
hostapd-utils - 20100705-2
hotplug2 - 1.0-beta-2
ip - 2.6.29-1-2
iptables - 1.4.6-2
iptables-mod-conntrack - 1.4.6-2
iptables-mod-nat - 1.4.6-2
iw - 0.9.21-1
kernel - 2.6.32.27-1
kmod-ath - 2.6.32.27+2010-12-09-1
kmod-ath9k - 2.6.32.27+2010-12-09-1
kmod-button-hotplug - 2.6.32.27-1
kmod-cfg80211 - 2.6.32.27+2010-12-09-1
kmod-crc-ccitt - 2.6.32.27-1
kmod-crc16 - 2.6.32.27-1
kmod-crypto-aes - 2.6.32.27-1
kmod-crypto-arc4 - 2.6.32.27-1
kmod-crypto-core - 2.6.32.27-1
kmod-fs-ext4 - 2.6.32.27-1
kmod-fs-mbcache - 2.6.32.27-1
kmod-gre - 2.6.32.27-1
kmod-input-core - 2.6.32.27-1
kmod-input-gpio-buttons - 2.6.32.27-1
kmod-input-polldev - 2.6.32.27-1
kmod-ipt-conntrack - 2.6.32.27-1
kmod-ipt-core - 2.6.32.27-1
kmod-ipt-nat - 2.6.32.27-1
kmod-ipt-nathelper - 2.6.32.27-1
kmod-leds-gpio - 2.6.32.27-1
kmod-mac80211 - 2.6.32.27+2010-12-09-1
kmod-nls-base - 2.6.32.27-1
kmod-ppp - 2.6.32.27-1
kmod-pppoe - 2.6.32.27-1
kmod-scsi-core - 2.6.32.27-1
kmod-usb-core - 2.6.32.27-1
kmod-usb-ohci - 2.6.32.27-1
kmod-usb-printer - 2.6.32.27-1
kmod-usb-storage - 2.6.32.27-1
kmod-usb2 - 2.6.32.27-1
kmod-wprobe - 2.6.32.27+1-1
libc - 0.9.30.1-43.10
libgcc - 4.3.3+cs-43.10
libiptc - 1.4.6-2
libnl-tiny - 0.1-1
libpthread - 0.9.30.1-42
librt - 0.9.30.1-42
libuci - 12012009.6-2
libxtables - 1.4.6-2
mtd - 13
opkg - 576-1
ppp - 2.4.4-11
ppp-mod-pppoe - 2.4.4-11
pptp - 1.7.1-3
samba3 - 3.0.24-5
swconfig - 6
uci - 12012009.6-2
udevtrigger - 106-1
uhttpd - 19
wireless-tools - 29-4
wpad - 20100705-2
wpad-mini - 20100705-2
wprobe-util - 1-1


Gabriele


Il giorno 02/mag/2011, alle ore 18.41, ZioPRoTo (Saverio Proto) ha scritto:

> Servono i dettagli della versione di openwrt e di compatwireless per
> dare delle risposte.
> 
> Saverio
> 
> Il 02 maggio 2011 18:29, Gabriele Amendola
> <gabriele.amendola a gmail.com> ha scritto:
>> Salve a tutti.
>> Sono un felice possessore di di una routerstation pro con una r52nm.
>> Sono giorni che cerco di configurare al meglio il wifi ma non ci riesco.....Usando il codice regione US riesco ad usare la banda 2,4ghz a 27dbm mentre per quanto riguarda 5ghz solo i canali 36 40 44 48 a 17dbm che sono un po pochini. Ho provato praticamente con tutti i codici regionali e non riesco comunque a capire una cosa: usando il codice regionale BB ottengo:
>> root a OpenWrt:/mnt/downloads# iw reg get
>> 
>> country BB:
>>        (2402 - 2482 @ 40), (N/A, 20)
>>        (5170 - 5250 @ 40), (3, 23)
>>        (5250 - 5330 @ 40), (3, 23), DFS
>>        (5735 - 5835 @ 40), (3, 30)
>> 
>> Quindi tecnicamente dovrei poter usare i canali 36 40 44 48 a 23dbm, ma ciò non avviene infatti usando iw list:
>> 
>> Band 2:
>>                Capabilities: 0x11ce
>>                        HT20/HT40
>>                        SM Power Save disabled
>>                        RX HT40 SGI
>>                        TX STBC
>>                        RX STBC 1-stream
>>                        Max AMSDU length: 3839 bytes
>>                        DSSS/CCK HT40
>>                Maximum RX AMPDU length 65535 bytes (exponent: 0x003)
>>                Minimum RX AMPDU time spacing: 8 usec (0x06)
>>                HT TX/RX MCS rate indexes supported: 0-15
>>                Frequencies:
>>                        * 5180 MHz [36] (17.0 dBm)
>>                        * 5200 MHz [40] (17.0 dBm)
>>                        * 5220 MHz [44] (17.0 dBm)
>>                        * 5240 MHz [48] (17.0 dBm)
>>                        * 5260 MHz [52] (20.0 dBm) (passive scanning, no IBSS, radar detection)
>>                        * 5280 MHz [56] (20.0 dBm) (passive scanning, no IBSS, radar detection)
>>                        * 5300 MHz [60] (20.0 dBm) (passive scanning, no IBSS, radar detection)
>>                        * 5320 MHz [64] (20.0 dBm) (passive scanning, no IBSS, radar detection)
>>                        * 5500 MHz [100] (20.0 dBm) (passive scanning, no IBSS, radar detection)
>>                        * 5520 MHz [104] (20.0 dBm) (passive scanning, no IBSS, radar detection)
>>                        * 5540 MHz [108] (20.0 dBm) (passive scanning, no IBSS, radar detection)
>>                        * 5560 MHz [112] (20.0 dBm) (passive scanning, no IBSS, radar detection)
>>                        * 5580 MHz [116] (20.0 dBm) (passive scanning, no IBSS, radar detection)
>>                        * 5600 MHz [120] (disabled)
>>                        * 5620 MHz [124] (disabled)
>>                        * 5640 MHz [128] (disabled)
>>                        * 5660 MHz [132] (20.0 dBm) (passive scanning, no IBSS, radar detection)
>>                        * 5680 MHz [136] (20.0 dBm) (passive scanning, no IBSS, radar detection)
>>                        * 5700 MHz [140] (20.0 dBm) (passive scanning, no IBSS, radar detection)
>>                        * 5745 MHz [149] (30.0 dBm)
>>                        * 5765 MHz [153] (30.0 dBm)
>>                        * 5785 MHz [157] (30.0 dBm)
>>                        * 5805 MHz [161] (30.0 dBm)
>>                        * 5825 MHz [165] (30.0 dBm)
>> 
>> I canali usabili non dfs 36 40 44 48 sono sempre a 17dbm. Perchè?
>> Ps. non uso dal 149 in su perchè i macbook pro in mio possesso non supportano quei canali.
>> C'è un modo di usare i canali dal 52 al 116?
>> 
>> Saluti
>> Gabriele
>> _______________________________________________
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>> http://ml.ninux.org/mailman/listinfo/wireless
>> 
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