[ovs-dev] [PATCH v1 1/2] userspace datapath: Add GTP-U tunnel support

Yang, Yi yi.y.yang at intel.com
Mon Mar 5 11:08:02 UTC 2018


On Sun, Mar 04, 2018 at 09:59:18PM -0800, Joe Stringer wrote:
> On 4 March 2018 at 19:58, Yang, Yi <yi.y.yang at intel.com> wrote:
> > On Sun, Mar 04, 2018 at 07:40:49PM -0800, Joe Stringer wrote:
> >> On 4 March 2018 at 18:48, Yang, Yi <yi.y.yang at intel.com> wrote:
> >> > On Mon, Mar 05, 2018 at 04:19:58AM +0800, Joe Stringer wrote:
> >> >> ?On 2 March 2018 at 04:32, Yi Yang <yi.y.yang at intel.com> wrote:
> 
> > By the way, Feng said the existing GTP kernel implementation also didn't
> > implement GTP-C and didn't handle other optional flag bits.
> 
> Ah, okay. The thing I was thinking of was the way to configure a GTP
> socket to forward signalling traffic to a userspace process for
> handling:
> 
> https://www.kernel.org/doc/Documentation/networking/gtp.txt
>

Yeah, this is just why we are to handle signaling message here, we can
add Openflow rule to forward such message to local or remote userspace
process, per Feng's explanation, this signaling message will be output
to the GTP-U tunnel with different destination IP.


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