On Fri, Feb 25, 2011 at 10:07 PM, Brian Prodoehl <bprodo...@gmail.com> wrote: > On Fri, Feb 25, 2011 at 4:02 AM, Thomas Andrews <tandr...@grok.co.za> wrote: >> Hi, >> >> Is DELAYED-BA implemented? >> >> I get this error when I try to use it: >> >> "Driver does not support configured HT capability [DELAYED-BA]" >> >> I have the following versions installed: >> >> Linux atom 2.6.35-22-generic-pae #33-Ubuntu SMP Sun Sep 19 22:14:14 UTC >> 2010 i686 GNU/Linux >> hostapd 1:0.6.10-2 >> wpasupplicant 0.6.10-2 >> iw 0.9.19-1 >> >> This is my hostapd.conf: >> >> 8<--------------------------------------------------------- >> interface=wlan0 >> driver=nl80211 >> ssid=test_network >> channel=36 >> hw_mode=a >> auth_algs=1 >> wpa=3 >> wpa_passphrase=foobar >> wpa_key_mgmt=WPA-PSK >> wpa_pairwise=TKIP CCMP >> rsn_pairwise=CCMP >> wme_enabled=1 >> ieee80211n=1 >> ht_capab=[HT40+][SHORT-GI-40][MAX-AMSDU-4000][DELAYED-BA] >> country_code=US >> wmm_enabled=1 >> wmm_ac_bk_cwmin=4 >> wmm_ac_bk_cwmax=10 >> wmm_ac_bk_aifs=7 >> wmm_ac_bk_txop_limit=0 >> wmm_ac_bk_acm=0 >> wmm_ac_be_aifs=3 >> wmm_ac_be_cwmin=4 >> wmm_ac_be_cwmax=10 >> wmm_ac_be_txop_limit=0 >> wmm_ac_be_acm=0 >> wmm_ac_vi_aifs=2 >> wmm_ac_vi_cwmin=3 >> wmm_ac_vi_cwmax=4 >> wmm_ac_vi_txop_limit=94 >> wmm_ac_vi_acm=0 >> wmm_ac_vo_aifs=2 >> wmm_ac_vo_cwmin=2 >> wmm_ac_vo_cwmax=3 >> wmm_ac_vo_txop_limit=47 >> wmm_ac_vo_acm=0 >> 8<--------------------------------------------------------- >> >> Many thanks, >> Thomas > > > Check the output of iw list. You'll see something like this: > Capabilities: 0x11ef > RX LDPC > HT20/HT40 > SM Power Save disabled > RX HT20 SGI > RX HT40 SGI > TX STBC > RX STBC 1-stream > Max AMSDU length: 3839 bytes > DSSS/CCK HT40 > > If you don't see "HT Delayed Block Ack", then no. Also, your max > AMSDU size may exceed what the driver/hardware is capable of. > > -Brian
Yes you can also use a sniffer "HT info capabilities" and which card are you using ? > _______________________________________________ > ath9k-devel mailing list > ath9k-devel@lists.ath9k.org > https://lists.ath9k.org/mailman/listinfo/ath9k-devel > _______________________________________________ ath9k-devel mailing list ath9k-devel@lists.ath9k.org https://lists.ath9k.org/mailman/listinfo/ath9k-devel