network configuration setup - dhcp

Mon Apr 19 08:46:39 BST 2021

Hello Neeraj,

On 17.04.21 06:41, Neeraj Pal wrote:
> Hi,
> 
> I successfully configured the networking on sandbox env.
> So, below are the steps for anyone in need.
> 
> On host (ubuntu)
> - ip link show => barebox virtual ethernet device will be listed
> - sudo brctl addif virbr0 barebox => I already have virtual br0
> "virbr0" for Qemu so I have used that to bridge, else create a new
> bridge
> - sudo ip link set barebox master virbr0
> - sudo dhclient -v barebox
> 
> On barebox:
> - dhcp eth0

That could go into the Documentation to make it easier for future users.
Would you like to submit a patch?

Thanks for the bug reports btw,
Ahmad

> 
> logs are given below:
> barebox at Sandbox:/ dhcp eth0
> T T eth0: DHCP client bound to address 192.168.122.216
> barebox at Sandbox:/ ping google.com
> PING google.com (172.217.166.238)
> host google.com is alive
> barebox at Sandbox:/
> 
> Thanks and regards,
> Neeraj
> 
> On Fri, Apr 16, 2021 at 11:37 PM Neeraj Pal <neerajpal09 at gmail.com> wrote:
>>
>> Sorry missed, Network info:
>>
>> barebox at Sandbox:/ devinfo eth0
>> Parent: tap0
>> Parameters:
>>   ethaddr: 9e:47:e0:0b:cb:ab (type: MAC)
>>   gateway: 0.0.0.0 (type: ipv4)
>>   ipaddr: 0.0.0.0 (type: ipv4)
>>   linux.bootargs:  (type: string)
>>   linux.devname:  (type: string)
>>   mode: dhcp (type: enum) (values: "dhcp", "static", "disabled")
>>   netmask: 0.0.0.0 (type: ipv4)
>>   serverip:  (type: string)
>> barebox at Sandbox:/
>>
>> After ifup -a
>>
>> barebox at Sandbox:/ devinfo eth0
>> Parent: tap0
>> Parameters:
>>   ethaddr: 80:81:82:83:84:85 (type: MAC)
>>   gateway: 172.0.0.1 (type: ipv4)
>>   ipaddr: 172.0.0.2 (type: ipv4)
>>   linux.bootargs: ip=172.0.0.2:172.0.0.1:172.0.0.1:255.255.255.0:::
>> (type: string)
>>   linux.devname:  (type: string)
>>   mode: static (type: enum) (values: "dhcp", "static", "disabled")
>>   netmask: 255.255.255.0 (type: ipv4)
>>   serverip: 172.0.0.1 (type: string)
>> barebox at Sandbox:/ ping google.com
>> ERROR: dns: no nameserver specified in $net.nameserver
>> T T T T T ping failed: Connection timed out
>>
>> It seems like it is not able to get the IP from DHCP so I am trying to
>> set up static, once.
>>
>> On Fri, Apr 16, 2021 at 11:28 PM Neeraj Pal <neerajpal09 at gmail.com> wrote:
>>>
>>> Hi,
>>>
>>> On Wed, Apr 14, 2021 at 12:37 AM Ahmad Fatoum <a.fatoum at pengutronix.de> wrote:
>>>>
>>>> There is more documentation besides the README. For networking see
>>>> https://barebox.org/doc/latest/user/networking.html
>>>
>>> Thank you for the documentation. I read them and configured the values
>>> but it is not working, so it may be possible that I am not doing it
>>> correctly.
>>>
>>>> The default barebox boot target is to net boot. It'll try to get
>>>> a DHCP address and then load some predefined files over TFTP
>>>> (If it fails, it'll tell you which ones).
>>>>
>>>> If that didn't work, you'll need to tell more about your setup?
>>>> What board are you using barebox on?
>>>
>>> Thank you for the information. At present, I haven't tried it on any
>>> board as I am using it as Sandbox but I have BeagleBone Black and
>>> Raspberry Pi 3B.
>>>
>>>> Part of the question reads like you are using it while Linux is
>>>> running (sandbox) and some other like you'd run it directly as
>>>> bootloader. Also what kind of errors do you get, can you copy them here?
>>>
>>> Yes, I am trying to execute it as Sandbox and while executing through
>>> sudo please find the information given below:
>>>
>>> sudo ./barebox
>>>
>>> add stickypage initially unbacked by file
>>>
>>>
>>> barebox 2021.04.0-00056-gaf0f068a6 #1 Fri Apr 16 23:11:01 IST 2021
>>>
>>>
>>> Board: Sandbox
>>> console: registered as cs0
>>> netconsole: registered as netconsole-1
>>> hostfile 7f455b09a000.stickypage.of: registered as character device
>>> sandbox-watchdog watchdog.of: probed
>>> malloc space: 0x7f4559e21010 -> 0x7f455ae2100f (size 16 MiB)
>>> state: New state registered 'state'
>>> ERROR: state: No meta data header found
>>> ERROR: state: No meta data header found
>>> ERROR: state: No meta data header found
>>> ERROR: state: Failed to find any valid state copy in any bucket
>>> ERROR: state: Failed to read state with format raw, -2
>>> WARNING: state state.of: Failed to load persistent state, continuing
>>> with defaults, -2
>>> super: JFFS version 2.2. © 2001-2006 Red Hat, Inc.
>>> envfs: no envfs (magic mismatch) - envfs never written?
>>>
>>> *******************************************************
>>> ***   Inconsistent barebox state buckets detected   ***
>>> ***         This is normal for a first boot         ***
>>> *** barebox will repair them on next poweroff/reset ***
>>> *******************************************************
>>> barebox at Sandbox:/ ping google.com
>>> ERROR: dns: no nameserver specified in $net.nameserver
>>> ping failed: No route to host
>>> barebox at Sandbox:/ dhcp
>>> WARNING: eth0: No MAC address set. Using random address 9e:47:e0:0b:cb:ab
>>> T T T T T T T T T T T T T T T T T T T T dhcp: Connection timed out
>>> barebox at Sandbox:/ ping google.com
>>> ERROR: dns: no nameserver specified in $net.nameserver
>>> ping failed: No route to host
>>> barebox at Sandbox:/
>>>
>>> barebox at Sandbox:/ devinfo
>>> `-- global
>>> `-- nv
>>> `-- platform
>>>    `-- machine
>>>    `-- state.of
>>>    `-- 7f455b09a000.stickypage.of
>>>       `-- 0x00000000-0x00000fff (     4 KiB): /dev/stickypage
>>>       `-- 0x00000400-0x00000bff (     2 KiB): /dev/stickypage.env
>>>       `-- 0x00000c00-0x00000fff (     1 KiB): /dev/stickypage.state
>>>       `-- bmode
>>>       `-- 7f455b09a000.stickypage:partitions.of
>>>    `-- power.of
>>>    `-- watchdog.of
>>>       `-- wdog0
>>>    `-- sound.of
>>>    `-- led.of
>>>    `-- console0
>>>       `-- cs0
>>>          `-- 0x00000000-0xffffffffffffffff (   0 Bytes): /dev/cs0
>>>    `-- mem0
>>>       `-- 0x00000000-0xffffffffffffffff (   0 Bytes): /dev/mem
>>>    `-- netconsole
>>>       `-- 0x00000000-0xffffffffffffffff (   0 Bytes): /dev/netconsole-1
>>>    `-- tap0
>>>       `-- eth0
>>>    `-- sdlfb0
>>>    `-- devrandom0
>>>    `-- chosen:environment.of
>>> `-- spi
>>> `-- i2c
>>> `-- fs
>>>    `-- ramfs0
>>>    `-- devfs0
>>>    `-- pstore0
>>> `-- state
>>> barebox at Sandbox:/
>>>
>>> I am doing ping but it doesn't have any dns entry and route to resolve it.
>>>
>>> Please let me know for any other information.
>>>
>>> Thanks and regards,
>>> Neeraj
> 

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