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Date:      Wed, 06 Sep 2017 17:33:35 +0000
From:      bugzilla-noreply@freebsd.org
To:        freebsd-net@FreeBSD.org
Subject:   [Bug 221845] bridge0 causes kernel panic on BBB using usb wifi in hostap mode (RT3071)
Message-ID:  <bug-221845-2472-jWzJtHetN4@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-221845-2472@https.bugs.freebsd.org/bugzilla/>
References:  <bug-221845-2472@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D221845

--- Comment #1 from Russell Haley <russ.haley@gmail.com> ---
Original post on freebsd-arm@ that spurred my investigation. Complete
conversation here:
http://freebsd.1045724.x6.nabble.com/Beaglebone-Black-FreeBSD-USB-WiFi-WAP-=
td6201439.html

Is anyone using a BeagleBone Black and USB Wifi as a WAP?  If so, what kind=
 of
throughput do you get on your Wifi?  I=E2=80=99m getting very bad network p=
erformance.

Hardware:

- BeagleBone Black rev C.
- Tried with two different USB Wifi Adapters:
        - Edimax N150 (small nub type adapter)
        - LB Link from Adafruit (https://www.adafruit.com/product/1030)
        - Both show as RTL8188CUS chips (via dmesg)
- Wired connection connected for access to my network and internet

OS:

-  Mostly with the most recent Beaglebone Snapshot of 11.0
-  A few quick tests with the 11. snapshot image

Connection Speeds:

- Using nuttcp (over 100Mbps ethernet) between the BB and another machine, I
can get ~90+ Mbps in each direction  so I don=E2=80=99t think there is an i=
ssue with
that part of the connection.
- Using the BB as a WAP and connection my iPad I see 1 to 5 Mbps down and <=
 1
Mbps tested via the Ookla Speedtest app.
- Connecting to my ancient Netgear WAP using the same app and test, I get
roughly 10 Mbps in either direction with the same test.


Configs (pretty much taken right from the handbook):

/boot/loader.conf:

if_urtwn_load=3D"YES"
wlan_mac_load=3D"YES"

/etc/rc.conf (relevant parts)

ifconfig_cpsw0=3D"inet XX.XX.XX.XX netmask 0xffffff00=E2=80=9D
defaultrouter=3D=E2=80=9CYY.YY.YY.YY"
hostapd_enable=3D"YES"
wlans_urtwn0=3D"wlan0"
create_args_wlan0=3D"wlanmode hostap"
ifconfig_wlan0=3D"up"
cloned_interfaces=3D"bridge0"
ifconfig_bridge0=3D"addm cpsw0 addm wlan0 up=E2=80=9D

/etc/hostapd.conf

interface=3Dwlan0
debug=3D1
ctrl_interface=3D/var/run/hostapd
ctrl_interface_group=3Dwheel
ssid=3DREDACTED
wpa=3D2
wpa_passphrase=3DREDACTED
wpa_key_mgmt=3DWPA-PSK
wpa_pairwise=3DCCMP



Any ideas?  Is this just the limit of USB wifi on this board?

--=20
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