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[OpenWrt-Devel] Improve wifi speed up to 2 times in AP mode.

Message ID CALcFQX6EXk+dEnQ8ukM1C5wiybFaLucQqP_m+LzNrDSE=--v8A@mail.gmail.com
State Rejected
Headers show

Commit Message

N.Leiten June 29, 2015, 5:21 p.m. UTC 
Resending patch in text format. Return of wmm_* parameters to
hostapd.conf file for wifi speed up.

2015-06-29 0:59 GMT+03:00 N.Leiten <nickleiten@gmail.com>:
> The thing is - this parameters I've got from hostapd.conf on my host
> machine and due to comments they are strictly set from 802.11. As for
> hostapd itself, I don't gone in deep inspection of WMM part but I saw
> some default values regarding tx_queue* parameters (according to
> comments this section is used to prioritize traffic from AP to STAs,
> and WMM part is in opposite direction, in my oppinion last one is also
> used to determine WMM capable stations which gives us such speed
> improvements) in source code of hostapd, maybe there's some analogue
> for WMM but somehow it don't get applied when configuration file
> loaded. So for now the easiest and fast way to fix this is to set
> config with parameters that hostapd expects.
>
> 2015-06-29 0:21 GMT+03:00 Linus Lüssing <linus.luessing@c0d3.blue>:
>> On Sun, Jun 28, 2015 at 09:16:58PM +0300, N.Leiten wrote:
>>> As a result I got full 100Mbit/s on AR71XX platform and 70-80Mbit on
>>> Ralink. I think it is good performance improvement at this moment.
>>
>> Interesting, thanks for sharing your results!
>>
>> If these settings are generally diserable, maybe it might make
>> sense to patch hostapd to set them by default if they aren't set
>> explicitly, instead of through netifd? That way anyone, not only
>> OpenWRT users might benefit from it.
>>
>> Cheers, Linus
diff mbox

Patch

diff -c -r a/package/network/services/hostapd/files/netifd.sh b/package/network/services/hostapd/files/netifd.sh
*** a/package/network/services/hostapd/files/netifd.sh	2015-06-09 15:00:07.000000000 +0300
--- b/package/network/services/hostapd/files/netifd.sh	2015-06-28 21:01:39.054827123 +0300
***************
*** 207,212 ****
--- 207,235 ----
  	append bss_conf "disassoc_low_ack=$disassoc_low_ack" "$N"
  	append bss_conf "preamble=$short_preamble" "$N"
  	append bss_conf "wmm_enabled=$wmm" "$N"
+ 	if [ "$wmm" -gt 0 ];then
+ 		append bss_conf "wmm_ac_bk_cwmin=4" "$N"
+ 		append bss_conf "wmm_ac_bk_cwmax=10" "$N"
+ 		append bss_conf "wmm_ac_bk_aifs=7" "$N"
+ 		append bss_conf "wmm_ac_bk_txop_limit=0" "$N"
+ 		append bss_conf "wmm_ac_bk_acm=0" "$N"
+ 		append bss_conf "wmm_ac_be_aifs=3" "$N"
+ 		append bss_conf "wmm_ac_be_cwmin=4" "$N"
+ 		append bss_conf "wmm_ac_be_cwmax=10" "$N"
+ 		append bss_conf "wmm_ac_be_txop_limit=0" "$N"
+ 		append bss_conf "wmm_ac_be_acm=0" "$N"
+ 		append bss_conf "wmm_ac_vi_aifs=2" "$N"
+ 		append bss_conf "wmm_ac_vi_cwmin=3" "$N"
+ 		append bss_conf "wmm_ac_vi_cwmax=4" "$N"
+ 		append bss_conf "wmm_ac_vi_txop_limit=94" "$N"
+ 		append bss_conf "wmm_ac_vi_acm=0" "$N"
+ 		append bss_conf "wmm_ac_vo_aifs=2" "$N"
+ 		append bss_conf "wmm_ac_vo_cwmin=2" "$N"
+ 		append bss_conf "wmm_ac_vo_cwmax=3" "$N"
+ 		append bss_conf "wmm_ac_vo_txop_limit=47" "$N"
+ 		append bss_conf "wmm_ac_vo_acm=0" "$N"
+ 	fi
+ 
  	append bss_conf "ignore_broadcast_ssid=$hidden" "$N"
  	append bss_conf "uapsd_advertisement_enabled=$uapsd" "$N"