Re: [PATCH net-next] gtp: add initial driver for datapath of GPRS Tunneling Protocol (GTP-U)

Hi Pablo, Thanks for the info! Just went through the code, and wanted to ask if I am right that this implementation does not support GTP-U echo request/reply yet? I am asking because according to the specs. this is an optional feature, but in practice there are quite a lot of ENB products that require a response to the GTP-U Echo Req. they send, otherwise they are not going to start forwarding any data on the GTP-U path. The reason for this is that in practice the ENB is always connected to more than one MME, and the only way for the ENB to know which SGW is available is to send GTP-U echo requests to check the availability of the service. Just noticed that the link for libgtpnl is not working yet. Regards, Csaba ----- Eredeti üzenet ----- Feladó: "Pablo Neira Ayuso" <pablo(a)netfilter.org> Címzett: "Sipos Csaba" <sipos.csaba(a)kvk.uni-obuda.hu> Másolatot kap: "Harald Welte" <laforge(a)gnumonks.org>rg>, openbsc(a)lists.osmocom.org Elküldött üzenetek: Kedd, 2016. Május 10. 19:10:40 Tárgy: Re: [PATCH net-next] gtp: add initial driver for datapath of GPRS Tunneling Protocol (GTP-U) On Tue, May 10, 2016 at 06:00:48PM +0200, Sipos Csaba wrote: Wait for 4.7-rc1 to be released or compile this git tree: http://git.kernel.org/cgit/linux/kernel/git/davem/net-next.git In userspace, you require libgtnl, get a fresh git clone from: http://git.osmocom.org/libgtpnl/ and openggsn: http://git.osmocom.org/openggsn/ Then, you have to run: # autoreconf -fi # ./configure --enable-gtp-linux # make to compile the gtp linux kernel driver support. Then indicate 'gtp-linux' in your ggsn.conf file.