Re: How to provide DHCP on a technology

2015-10-21 Thread John Ernberg
Hi Patrik, On 10/19/2015 09:29 AM, Patrik Flykt wrote: > On Thu, 2015-10-15 at 09:26 +, John Ernberg wrote: > >>> USB Host USB Gadget >>> +--+ +--+ >>> | eth0| | | >>> |ES|USB cable |

Re: How to provide DHCP on a technology

2015-10-19 Thread Patrik Flykt
On Thu, 2015-10-15 at 09:26 +, John Ernberg wrote: > > USB Host USB Gadget > > +--+ +--+ > > | eth0| | | > > |ES|USB cable |Dev | > > | usb0|--|usb0 | > >

Re: How to provide DHCP on a technology

2015-10-15 Thread John Ernberg
Hi Patrik, On 10/14/2015 03:20 PM, Patrik Flykt wrote: > Hi, > > On Wed, 2015-10-14 at 13:09 +, John Ernberg wrote: >> All I know is that cdc_ether interfaces shows up as usb0, the eth0 >> ethernet is a real ethernet port. When looking in /sys/class/net/usb0 >> it indeed shows up as a

Re: How to provide DHCP on a technology

2015-10-15 Thread John Ernberg
Hi again Patrik, I decided to tcpdump the connection, just in case that would help. Attached the output below. Best regards // John Ernberg On 10/15/2015 09:57 AM, John Ernberg wrote: > Hi Patrik, > > On 10/14/2015 03:20 PM, Patrik Flykt wrote: > >> Hi, >> >> On Wed, 2015-10-14 at 13:09

Re: How to provide DHCP on a technology

2015-10-14 Thread John Ernberg
Hi Patrik, On 10/13/2015 11:32 AM, Patrik Flykt wrote: > Hi, > > On Tue, 2015-10-13 at 08:49 +, John Ernberg wrote: > >> ConnMan runs on the embedded system, which is the USB host side. >> And when an USB gadget connects, I want to start a DHCP server on the >> interface provided by

Re: How to provide DHCP on a technology

2015-10-14 Thread Patrik Flykt
On Wed, 2015-10-14 at 06:40 +, John Ernberg wrote: > I made a ramdisk out of /var/ when I made the file system read only. > Nothing is however preserved after a reboot, and that has not been > problem for me yet. That's actually a problem, as /var (especially /var/lib) is the only location

Re: How to provide DHCP on a technology

2015-10-14 Thread John Ernberg
Hi Patrik On 10/14/2015 10:21 AM, Patrik Flykt wrote: > On Wed, 2015-10-14 at 06:40 +, John Ernberg wrote: > >> I made a ramdisk out of /var/ when I made the file system read only. >> Nothing is however preserved after a reboot, and that has not been >> problem for me yet. > That's actually

Re: How to provide DHCP on a technology

2015-10-14 Thread Patrik Flykt
Hi, On Wed, 2015-10-14 at 13:09 +, John Ernberg wrote: > All I know is that cdc_ether interfaces shows up as usb0, the eth0 > ethernet is a real ethernet port. When looking in /sys/class/net/usb0 > it indeed shows up as a gadget in the uevent file. This now looks like you are

Re: How to provide DHCP on a technology

2015-10-13 Thread John Ernberg
Hi Patrik, On 10/13/2015 10:21 AM, Patrik Flykt wrote: > Hi, > > On Mon, 2015-10-12 at 14:26 +, John Ernberg wrote: > >> I'm using Connman in an embedded environment where a device will connect >> to us over USB, this device will provide an ethernet interface on the >> USB port, and

Re: How to provide DHCP on a technology

2015-10-13 Thread Patrik Flykt
Hi, On Mon, 2015-10-12 at 14:26 +, John Ernberg wrote: > I'm using Connman in an embedded environment where a device will connect > to us over USB, this device will provide an ethernet interface on the > USB port, and the device will be in gadget mode. > Thus when they connect to

Re: How to provide DHCP on a technology

2015-10-13 Thread Patrik Flykt
Hi, On Tue, 2015-10-13 at 08:49 +, John Ernberg wrote: > ConnMan runs on the embedded system, which is the USB host side. > And when an USB gadget connects, I want to start a DHCP server on the > interface provided by cdc_ether so that the USB gadget that connects > can receive an