[ovs-dev] [PATCHv5] userspace: Add GTP-U support.

Ben Pfaff blp at ovn.org
Tue Jan 7 22:53:33 UTC 2020


On Wed, Dec 11, 2019 at 04:24:13PM -0800, William Tu wrote:
> GTP, GPRS Tunneling Protocol, is a group of IP-based communications
> protocols used to carry general packet radio service (GPRS) within
> GSM, UMTS and LTE networks.  GTP protocol has two parts: Signalling
> (GTP-Control, GTP-C) and User data (GTP-User, GTP-U). GTP-C is used
> for setting up GTP-U protocol, which is an IP-in-UDP tunneling
> protocol. Usually GTP is used in connecting between base station for
> radio, Serving Gateway (S-GW), and PDN Gateway (P-GW).
> 
> This patch implements GTP-U protocol for userspace datapath,
> supporting only required header fields and G-PDU message type.
> See spec in:
> https://tools.ietf.org/html/draft-hmm-dmm-5g-uplane-analysis-00
> 
> Signed-off-by: Yi Yang <yangyi01 at inspur.com>
> Co-authored-by: Yi Yang <yangyi01 at inspur.com>
> Signed-off-by: William Tu <u9012063 at gmail.com>

I apologize that I haven't reviewed this new version even though it's
been almost a month.  In the meantime, there are a few patch conflicts.
Would you mind rebasing?

Thanks,

Ben.


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