How to secure Ethernet environment on L4 Linux ?

[Matthias Lange]

Hi,

On 21.04.2014, at 03:44, Taeung <treeze.taeung at gmail.com> wrote:

> Hi, Matthias.
> 
> Thank you for answering.
> 
> Sorry, I apologize for the late response. 
> 
> I've configured the NIC driver as follows.. '[*]Network support ' and '[*]Network device driver support'.
> 
> I don't know how to init the driver,but when I run 'ifconfig', I saw nothing.

What I meant was, do you see any log output from the driver when L4Linux is booting? You can check the driver sources for ‘printk’ or ‘pr_[info,err,dbg]’ statements so that you know what you have to look for.

Matthias.

> So, I guess that the cause is 'init' could not have been run.
> When I've done booting L4Linux, I found '/etc' folder is not enough.
> And I found '/proc' and '/sys' is empty. 
> So, I've manually mounted '/proc' and '/sys'.
> And I'm trying to run 'ifup -a' but I've failed secure Ethernet on L4 Linux.
> 
> What I mistake ? 
> 
> (Mentioned above is same as mail before last)
> 
> And I'm doubting 'arm-rv.io' and  'l4lx_xs.cfg' I'm using.
> Must I modify them ?  
> 
> If you give me small hints, I'd apperciate. 
> Thank you !! 
> 
> For reference.
> 
> I'm using 'entry L4Linux_XS' as follows
> ========================
> entry L4Linux_XS
> roottask moe rom/l4lx_xs.cfg
> module l4re
> module ned
> module l4lx_xs.cfg
> module io
> module arm-rv.io
> module vmlinuz.arm
> module ramdisk-arm.rd
> ========================
> arm-rv.io in example folder is..
> ========================
> hw-root
> {
>   NIC => new Device()
>   {
>     .hid = "smsc911x";
>     new-res Mmio(0x4e000000 .. 0x4e000fff);
>     new-res Irq(60);
>   }
> }
> 
> l4lx => new System_bus()
> {
>   NIC => wrap(hw-root.NIC);
> } 
> ========================
> l4lx_xs.cfg is ..
> ========================
> -- vim:set ft=lua:
> 
> local lxname = "vmlinuz";
> if L4.Info.arch() == "arm" then
>   lxname = "vmlinuz.arm";
> end
> 
> L4.default_loader:start(
>   { caps = {
>       log = L4.Env.log:m("rws"),
>     },
>     l4re_dbg = L4.Dbg.Warn,
>     log = { "l4linux", "yellow" },
>   },
>   "rom/" .. lxname .. " mem=64M console=ttyLv0 l4x_rd=rom/ramdisk-" ..  L4.Info.arch() .. ".rd root=1:0 ramdisk_size=4000 init=/bin/sh");
> ========================
> 
> - Taeung -
> 
> 
> 
> On 04/18/2014 09:21 PM, Matthias Lange wrote:
>> Hi,
>> 
>> On 18.04.2014, at 13:24, Taeung <treeze.taeung at gmail.com> wrote:
>>> Hello, Adam and L4 Hackers.
>>> Thanks for answering.
>>> 
>>> When I run 'ifconfig', nothing have happened.
>>> I guess that the cause is /etc folder in ramdisk is not enough to run 'init'. 
>>> 
>>> Would you mind if I ask you another question ? 
>>> 
>>> Must also I modify 'arm-rv.io' ? 
>>> or must I modify 'l4lx_xs.cfg' ? 
>>> or Do not I need do it ? 
>>> 
>>> If I have to modify them , how to modify  ? 
>>> (I'm using Freescale imx6q SABRE SD board.)
>>> 
>>> If you give a bit me hints, I'd appreciate.
>> Do you have configured the NIC driver into L4Linux? Do you see L4Linux trying to init the driver. I fear your questions are to generic to give a specific answer.
>> 
>> Matthias.
>> 
>> 
>> --
>> matthias.lange at kernkonzept.com - Tel. 0351-41 888 614
>> 
>> Kernkonzept GmbH.  Sitz: Dresden.  Amtsgericht Dresden, HRB 31129.
>> Geschäftsführer: Dr.-Ing. Michael Hohmuth
>> 
> 

-- 
Matthias Lange, matthias.lange at kernkonzept.com

Kernkonzept GmbH.  Sitz: Dresden.  Amtsgericht Dresden, HRB 31129.
Geschäftsführer: Dr.-Ing. Michael Hohmuth

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