Date: Wed, 11 Jul 2018 23:41:08 +0200 From: Stefan Bethke <stb@lassitu.de> To: FreeBSD Stable <freebsd-stable@freebsd.org> Subject: Re: Passing through USB serial to bhyve VM Message-ID: <330AB9AE-9872-405E-8A73-D6F452D7A87A@lassitu.de> In-Reply-To: <24ADE3E6-869B-4B77-B94D-3F71EC26E3F5@lassitu.de> References: <24ADE3E6-869B-4B77-B94D-3F71EC26E3F5@lassitu.de>
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It=E2=80=99s been a while since I last dealt with serial devices. =
Apparently, when passing through a serial device on the host to a COM =
port in the VM, CTS/RTS are not (correctly) passed through. With
set ctsrts off
in ppp.conf I could get ppp to dial successfully.
Stefan
> Am 11.07.2018 um 19:22 schrieb Stefan Bethke <stb@lassitu.de>:
>=20
> I=E2=80=99m trying to access a Huawei USB LTE stick from a Bhyve VM =
like so:
> # cat /var/vm/mgmt/mgmt.conf=20
> loader=3D"bhyveload"
> cpu=3D1
> memory=3D256M
> network0_type=3D"virtio-net"
> network0_switch=3D"lan"
> disk0_type=3D"virtio-blk"
> disk0_name=3D"disk0"
> disk0_dev=3D"sparse-zvol"
> uuid=3D"53854567-8358-11e8-9638-000db94be2cc"
> network0_mac=3D"58:9c:fc:04:1d:52"
> bhyve_options=3D"-lcom2,/dev/cuaU0=E2=80=9C
>=20
> On the host, I can connect ppp(8), but inside the VM, ppp(8) appears =
not to be able to talk to the USB device. Using cu(1), I can talk to it =
just fine though. I=E2=80=99m not sure how to debug this further. Is =
this supposed to just work, or am I missing some obvious configuration =
bit?
>=20
> [root@mgmt ~]# cu -l cuau1 -s 115200
> Connected
> ATZ
> OK
> ATI
> Manufacturer: huawei
> Model: E3272
> Revision: 22.436.07.02.1202
> IMEI: 867503015nnnnnn
> +GCAP: +CGSM,+DS,+ES
>=20
> OK
> ~
> [EOT]
> [root@mgmt ~]# ppp
> Working in interactive mode
> Using interface: tun0
> Phase: PPP Started (interactive mode).
> ppp ON mgmt> dial
> Phase: bundle: Establish
> Phase: deflink: closed -> opening
> Phase: deflink: Connected!
> Phase: deflink: opening -> dial
> Chat: deflink: Dial attempt 1 of 1
> ppp ON mgmt> Chat: Send: ATZ
> Chat: Expect(5): OK
> Chat: Expect timeout
> Chat: Send: ATZ
> Chat: Expect(5): OK
> Chat: Expect timeout
> Warning: Chat script failed
> Phase: deflink: dial -> hangup
> Phase: deflink: Disconnected!
> Phase: deflink: Connect time: 11 secs: 0 octets in, 0 octets out
> Phase: deflink: 0 packets in, 0 packets out
> Phase: total 0 bytes/sec, peak 0 bytes/sec on Wed Jul 11 21:14:43 =
2018
> Phase: deflink: hangup -> closed
> Phase: bundle: Dead
> ppp ON mgmt> quit
> [root@mgmt ~]# cat /etc/ppp/ppp.conf
> default:
> enable dns
> set log local LCP IPCP Phase Chat
> set log all
> set timeout 0
> ident UMTS
> set authname eplus
> set authkey internet
> set cd off
> set device /dev/cuau1
> set speed 115200
> set dial "ABORT BUSY ABORT NO\\sCARRIER \
> ABORT VOICE ABORT NO\\sDIALTONE ABORT NO\\sDIAL\\sTONE ABORT =
ERROR \
> ABORT NO\\sANSWER ABORT DELAYED TIMEOUT 5 \
> \"\" ATZ OK-ATZ-OK \
> AT+CFUN=3D1 OK \
> AT+CREG? OK \
> AT+COPS? OK \
> AT+CSQ OK \
> AT^HCSQ? OK \
> AT+cgdcont=3D1,\\\"IP\\\",\\\"internet.eplus.de\\\" OK \
> ATDT*99***1# CONNECT"
> set ifaddr 10.0.0.1/0 10.0.0.2/0 255.255.255.0 0.0.0.0
> add default HISADDR
>=20
>=20
> Stefan
>=20
> --=20
> Stefan Bethke <stb@lassitu.de> Fon +49 151 14070811
>=20
>=20
> _______________________________________________
> freebsd-stable@freebsd.org mailing list
> https://lists.freebsd.org/mailman/listinfo/freebsd-stable
> To unsubscribe, send any mail to =
"freebsd-stable-unsubscribe@freebsd.org"
--=20
Stefan Bethke <stb@lassitu.de> Fon +49 151 14070811
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