Date: Mon, 21 Nov 2016 15:25:40 +0000 From: Steven Crangle <Steven@stream-technologies.com> To: "freebsd-net@freebsd.org" <freebsd-net@freebsd.org> Subject: Looking for some help with netmap/ptnetmap within a bhyve Message-ID: <DB5PR07MB16854389D2EB1687A1789C099BB50@DB5PR07MB1685.eurprd07.prod.outlook.com>
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Hi,
I've recently been trying to boot up several bhyves so that I can test netm=
ap communication between instances. The problem is, no matter what configur=
ation I try, the guest vm running in bhyve completely hangs and becomes unu=
sable as soon as a packet hits the netmap interface. When testing with pkt-=
gen, the TX side successfully starts sending packets, but the RX side will =
reliable freeze with the only option being killing the bhyve process.
The bhyve command used for the above test was:
bhyve -c 1 -s 0,hostbridge -s 1,lpc -s 2,virtio-blk,/dev/zvol/zroot/vip=
er1vol -s 3,virtio-net,tap0,mac=3D00:01:23:45:67:83 -s 4,virtio-net,tap4=
-l com1,/dev/nmdm0A -A -H -P -m 6g viper1 &
bhyve -c 1 -s 0,hostbridge -s 1,lpc -s 2,virtio-blk,/dev/zvol/zroot/vip=
er2vol -s 3,virtio-net,tap1,mac=3D00:01:23:45:67:84 -s 4,virtio-net,tap5=
-l com1,/dev/nmdm1A -A -H -P -m 6g viper2
For this test the host OS was FreeBSD-11.0-p3 and the guest OS was FreeBSD-=
11.0-p3.
After failing to get this solution working, I pulled down the source from t=
he following url and installed it on the host box:
https://svnweb.freebsd.org/socsvn/soc2016/vincenzo/head/
<https://svnweb.freebsd.org/socsvn/soc2016/vincenzo/head/>I then ran the fo=
llowing commands to try and bring up the machines using the ptnetmap interf=
ace (the guest still running 11.0p3) :
bhyve -c 1 -s 0,hostbridge -s 1,lpc -s 1:1,virtio-blk,/dev/zvol/zroot/v=
iper1vol -s 2:0,virtio-net,tap0,mac=3D00:01:23:45:67:83 -s 2:1,ptnetmap-=
memdev -s 2:2,ptnet,vale0:0 -l com1,/dev/nmdm0A -A -H -P -m 6g viper1 &
bhyve -c 1 -s 0,hostbridge -s 1,lpc -s 1:1,virtio-blk,/dev/zvol/zroot/v=
iper2vol -s 2:0,virtio-net,tap1,mac=3D00:01:23:45:67:84 -s 2:1,ptnetmap-=
memdev -s 2:2,ptnet,vale0:1 -l com1,/dev/nmdm1A -A -H -P -m 6g viper2
With the above commands the vm's fail to boot with the following message:
ptnet_init: failed to get ptnetmap
I've also attached a txt with the output in /var/log/messages
Is there something I'm doing wrong with regards to running netmap or ptnetm=
ap within a bhyve? Any pointers in the right direction will be much appreci=
ated!
Kind Regards
Steven
________________________________
[Stream Logo]
Steven Crangle
Systems Developer | Stream Technologies | Glasgow, UK
[http://www.stream-technologies.com/img/phone.png]
+44 (0)844 800 8520
|
[http://www.stream-technologies.com/img/mouse.png]
www.stream-technologies.com<http://www.stream-technologies.com/>;
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