On Wed, Nov 21, 2018 at 01:30:40PM +0100, Johannes Berg wrote:
> On Wed, 2018-11-21 at 09:26 -0300, Ramon Fontes wrote:
> > Sorry. I meant throughput.
>
> Yeah, well. There's no actual medium (access) simulation in hwsim, so
> the actual throughput you get only depends on the performance of your
>
On Wed, 2018-11-21 at 10:09 -0300, Ramon Fontes wrote:
> Yes. I thought that it could be related to the number of antennas (or
> something else) after seeing this result
> (https://bobcopeland.com/blog/2014/09/wmediumd-speed-test/) provided
> by wmediumd.
I guess you should instead look at the cod
On Thu, 2018-11-22 at 09:18 -0300, Ramon Fontes wrote:
>
> Then I found the Beacon frame TX rate configuration from hostapd.conf.
That's really not relevant for the issue at hand though?
johannes
I haven't used hwsim with hostapd yet, but I'm pretty sure, that it is
possible to change the beacon rate (as we changed them in 802.11s Mesh
Mode).
I'm think the problem here is, that you can't assign a HT rate for
beacons, because action/management frames are always sent with base-rate
or at lea
I've tested the same setup with adhoc and the throughput seems to be
higher as expected. Thus, the problem comes up when I use hostapd.
I noticed that the maximum supported rate by hostapd (legacy) is 54Mbps.
Extended supported rates: 24.0 36.0 48.0 54.0
Then I tried to modify mac80211_hwsim in o
Yes. I thought that it could be related to the number of antennas (or
something else) after seeing this result
(https://bobcopeland.com/blog/2014/09/wmediumd-speed-test/) provided
by wmediumd.
Em qua, 21 de nov de 2018 às 09:48, Johannes Berg
escreveu:
>
> On Wed, 2018-11-21 at 09:47 -0300, Ramon
On Wed, 2018-11-21 at 09:47 -0300, Ramon Fontes wrote:
> Okay! Thanks a lot.
>
> Indeed, the maximum throughput when using only hwsim is in the order of Gbp/s.
So I guess the question is where it's going wrong - is it the wmediumd
overhead (netlink), some air simulation in wmediumd, etc.
johanne
Okay! Thanks a lot.
Indeed, the maximum throughput when using only hwsim is in the order of Gbp/s.
Em qua, 21 de nov de 2018 às 09:30, Johannes Berg
escreveu:
>
> On Wed, 2018-11-21 at 09:26 -0300, Ramon Fontes wrote:
> > Sorry. I meant throughput.
>
> Yeah, well. There's no actual medium (access
On Wed, 2018-11-21 at 09:26 -0300, Ramon Fontes wrote:
> Sorry. I meant throughput.
Yeah, well. There's no actual medium (access) simulation in hwsim, so
the actual throughput you get only depends on the performance of your
CPU. 33Mbps seems quite low, but of course I don't know where you're
runni
Sorry. I meant throughput.
Let's considering GI=800ns - 20MHz:
Without setting the MCS value the throughput is around 18Mbps.
tx bitrate 58.5 MBit/s MCS 6
rx bitrate 48.0 MBit/s
Then I set the bitrate to ht-mcs-2.4 13, 14 and finally 15. Although
the tx bitrate increases as expected the maximum
On Tue, 2018-11-20 at 16:33 -0300, Ramon Fontes wrote:
> Would be possible to simulate (or even add support to) multiple
> antennas? I was trying to extend wmediumd to 802.11n according the
> rates provided by http://mcsindex.com/, but the maximum rate I get is
> ~33Mbps, even if I set the MCS inde
Would be possible to simulate (or even add support to) multiple
antennas? I was trying to extend wmediumd to 802.11n according the
rates provided by http://mcsindex.com/, but the maximum rate I get is
~33Mbps, even if I set the MCS index to 15. Given the result, I
thought that it could be related t
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