:: Re: [DNG] Which qemu version is shi…
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Autore: Mario Marietto
Data:  
To: Ralph Ronnquist
CC: dng
Oggetto: Re: [DNG] Which qemu version is shipped by default with devuan 3 ?
Modules are there,it seems :

root@devuan:~# ls /lib/modules/`uname -r`/kernel/net/netfilter/
x_tables.ko xt_tcpudp.ko

root@devuan:~# ls /lib/modules/`uname -r`/kernel/net/ipv4/netfilter/
ip_tables.ko



On Tue, Aug 15, 2023 at 4:13 PM Mario Marietto <marietto2008@???>
wrote:

> root@devuan:~# sudo modprobe ip_tables
>
> root@devuan:~# sudo echo 'ip_tables' >> /etc/modules
>
> root@devuan:~# iptables -t nat -A POSTROUTING -o mlan0 -j MASQUERADE
>
> iptables v1.8.7 (legacy): can't initialize iptables table `nat': Table
> does not exist (do you need to insmod?)
> Perhaps iptables or your kernel needs to be upgraded.
>
> On Tue, Aug 15, 2023 at 4:11 PM Mario Marietto <marietto2008@???>
> wrote:
>
>> mlan0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
>>        inet 192.168.1.6  netmask 255.255.255.0  broadcast 192.168.1.255
>>        inet6 fe80::ba86:1bad:4bb5:cf52  prefixlen 64  scopeid 0x20<link>
>>        ether 60:21:c0:e9:44:63  txqueuelen 1000  (Ethernet)
>>        RX packets 604  bytes 146184 (142.7 KiB)
>>        RX errors 0  dropped 0  overruns 0  frame 0
>>        TX packets 453  bytes 47371 (46.2 KiB)
>>        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

>>
>> root@devuan:~# iptables -t nat -A POSTROUTING -o mlan0 -j MASQUERADE
>>
>> iptables v1.8.7 (legacy): can't initialize iptables table `nat': Table
>> does not exist (do you need to insmod?)
>> Perhaps iptables or your kernel needs to be upgraded.
>>
>> On Tue, Aug 15, 2023 at 1:55 PM Ralph Ronnquist <rrq@???> wrote:
>>
>>> a) set up a tap on the host:
>>> # ip tuntap add tap0 mode tap
>>> # ip address add 10.0.2.1/24 dev tap0
>>>
>>> b) setting up forwarding and NAT (over eth0):
>>> # sysctl net.ipv4.ip_forward=1
>>> # iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE
>>>
>>> c) parameter for declaring tap for qemu
>>> -netdev tap,ifname=tap0,script=no,id=net0
>>>
>>> the parameter is used instead of "-netdev type=user..."
>>>
>>> d) you also need to bring up the client fxp0 statically (with e.g.
>>> 10.0.2.2/24) instead of using dhcp. I'm not totally sure how that's
>>> done in freebsd.
>>>
>>> Ralph.
>>>
>>> On Tue, Aug 15, 2023 at 12:43:55PM +0200, Mario Marietto wrote:
>>> > I get this error and as you can see,the problem is that it is disabled
>>> on
>>> > the kernel :
>>> >
>>> >
>>> https://stackoverflow.com/questions/8080226/bridge-utils-add-bridge-failed-package-not-installed
>>> >
>>> > My goal is to configure qemu for accepting a bridge connection.
>>> >
>>> > The instructions you provided about how to configure the network are
>>> > unclear to me. Can you write the commands that I should issue one by
>>> one ?
>>> > I will try.
>>> >
>>> > On Tue, Aug 15, 2023 at 12:10 PM Ralph Ronnquist <rrq@???> wrote:
>>> >
>>> > > Interesting.. I don't know anything about what's possible on
>>> > > Chromebook. I think it's slightly odd that bridge is disabled, but
>>> > > perhaps you could use plain forwarding and NAT instead, with
>>> iptables,
>>> > > rather than rebuilding the kernel?
>>> > >
>>> > > If qemu uses a tap, say tap0, then you simply enable forwarding in
>>> the
>>> > > kernel (sysctl net.ipv4.ip_forward=1), and add an iptables nat rule
>>> > > (iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE) .. that rule
>>> > > assumes your outbound interface is eth0; replace that as applicable.
>>> > >
>>> > > With a qemu tap you can't use dhcp in the client but will need to set
>>> > > address statically. You also need to assigne an IP address at the
>>> host
>>> > > end for the tap, which the client should nominate as gateway. E.g.
>>> you
>>> > > could use 10.0.2.1/24 for the tap on the host, and 10.0.2.2/24 for
>>> the
>>> > > client.
>>> > >
>>> > > Ralph.
>>> > >
>>> > > On Tue, Aug 15, 2023 at 11:43:17AM +0200, Mario Marietto wrote:
>>> > > > Not for me. This parameter :
>>> > > >
>>> > > > -device i82559b,netdev=net0,mac="52:54:00:12:34:55"
>>> > > >
>>> > > > give to me a lot of problems :
>>> > > >
>>> > > > 1) forces me to enter the UEFI menu and to choose manually the
>>> disk that
>>> > > > should boot
>>> > > > 2) I can reach the login prompt of FreeBSD,but this network
>>> configuration
>>> > > > does not work :
>>> > > >
>>> > > > /etc/rc.conf
>>> > > >
>>> > > > hostname="marietto"
>>> > > > ifconfig_fxp0="DHCP"
>>> > > > local_unbound_enable="YES"
>>> > > > gateway_enable="YES"
>>> > > >
>>> > > > /etc/resolv.conf
>>> > > >
>>> > > > nameserver 127.0.0.53
>>> > > > options edns0 trust-ad
>>> > > > search homenet.telecomitalia.it
>>> > > > nameserver 8.8.8.8
>>> > > >
>>> > > > root@mario:~ # ifconfig
>>> > > >
>>> > > > lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
>>> > > >
>>>  options=680003<RXCSUM,TXCSUM,LINKSTATE,RXCSUM_IPV6,TXCSUM_IPV6>
>>> > > >         inet6 ::1 prefixlen 128
>>> > > >         inet6 fe80::1%lo0 prefixlen 64 scopeid 0x1
>>> > > >         inet 127.0.0.1 netmask 0xff000000
>>> > > >         groups: lo
>>> > > >         nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
>>> > > > fxp0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0
>>> mtu
>>> > > 1500
>>> > > >         options=8<VLAN_MTU>
>>> > > >         ether 52:54:00:12:34:55
>>> > > >         inet 10.0.2.15 netmask 0xffffff00 broadcast 10.0.2.255
>>> > > >         media: Ethernet autoselect (10baseT/UTP <half-duplex>)
>>> > > >         status: active
>>> > > >         nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>

>>> > > >
>>> > > > I can ping 10.0.2.15,but not google.com ;
>>> > > >
>>> > > > root@mario:~ # ping google.com
>>> > > >
>>> > > > PING google.com (142.250.180.142): 56 data bytes
>>> > > > frozen.
>>> > > >
>>> > > > Now,on the FreeBSD forum,the user "covacat" suggested me to :
>>> "create
>>> > > > a tap device on the linux side and bridge it with your ethernet
>>> > > > iface"
>>> > > >
>>> > > > I tried,but now arises another problem : the kernel that I'm using
>>> on
>>> > > > the chromebook has the option bridge disabled in the kernel,so
>>> > > >
>>> > > > I have recompiled the kernel to enable it. Here comes another
>>> problem
>>> > > > : The new kernel worked,my Chromebook reached the desktop
>>> environment
>>> > > >
>>> > > > access login,but mouse,keyboard and trackpad don't work. I think
>>> that
>>> > > > when I have recompiled the kernel I haven't produced the new kernel
>>> > > >
>>> > > > modules. Do you know what's the proper command to do this ? If I
>>> > > > remember well,should it be "make modules" ?
>>> > > >
>>> > > >
>>> > > >
>>> > > > On Tue, Aug 15, 2023 at 2:34 AM Ralph Ronnquist <rrq@???>
>>> wrote:
>>> > > >
>>> > > > > The card "i82559b" worked for me.
>>> > > > >
>>> > > > > It boots without entering UEFI shell first. And it has update my
>>> local
>>> > > > > AAVMF32_VARS.fd to continue doing so.
>>> > > > >
>>> > > > > Perhaps if copy the system AAVMF32_VARS.fd once again, to refresh
>>> > > > > locally, with a working boot then your will "learn" too?
>>> > > > >
>>> > > > > regards,
>>> > > > >
>>> > > > > Ralph.
>>> > > > >
>>> > > > > On Mon, Aug 14, 2023 at 07:55:36PM +0200, Mario Marietto wrote:
>>> > > > > > Do you need to go inside the UEFI menu to boot FreeBSD or in
>>> your
>>> > > case it
>>> > > > > > is detected at first shot ? because I haven't fixed the probem
>>> yet.
>>> > > > > > ...
>>> > > > > > --
>>> > > > > > Mario.
>>> > > > > _______________________________________________
>>> > > > > Dng mailing list
>>> > > > > Dng@???
>>> > > > > https://mailinglists.dyne.org/cgi-bin/mailman/listinfo/dng
>>> > > > >
>>> > > >
>>> > > >
>>> > > > --
>>> > > > Mario.
>>> > >
>>> >
>>> >
>>> > --
>>> > Mario.
>>> _______________________________________________
>>> Dng mailing list
>>> Dng@???
>>> https://mailinglists.dyne.org/cgi-bin/mailman/listinfo/dng
>>>
>>
>>
>> --
>> Mario.
>>
>
>
> --
> Mario.
>



--
Mario.