WIP: Implement the NS Sub-Network-Service (SNS) on Gb connect

This change implements the use of GPRS Gb interface auto-configuration
using the NS IP Sub-Network Service (SNS) procedures.

It requires a (currently experimental) libosmogb in order to support
this feature.

Change-Id: I256b40ac592d3b6e75dd581bf7b9512f69b11e83
This commit is contained in:
Harald Welte 2018-07-05 03:11:17 +02:00 committed by Daniel Willmann
parent d868df52d6
commit 3d23b6aabc
1 changed files with 7 additions and 4 deletions

View File

@ -540,12 +540,16 @@ static int nsvc_signal_cb(unsigned int subsys, unsigned int signal,
return -EINVAL;
nssd = (struct ns_signal_data *)signal_data;
if (nssd->nsvc != the_pcu.nsvc) {
if (signal != S_SNS_CONFIGURED && nssd->nsvc != the_pcu.nsvc) {
LOGP(DPCU, LOGL_ERROR, "Signal received of unknown NSVC\n");
return -EINVAL;
}
switch (signal) {
case S_SNS_CONFIGURED:
/* SNS configuration completed, send NS-RESET via NS-VC */
gprs_nsvc_reset(the_pcu.nsvc, NS_CAUSE_OM_INTERVENTION);
break;
case S_NS_UNBLOCK:
if (!the_pcu.nsvc_unblocked) {
the_pcu.nsvc_unblocked = 1;
@ -871,8 +875,7 @@ int gprs_ns_reconnect(struct gprs_nsvc *nsvc)
return -EBADF;
}
nsvc2 = gprs_ns_nsip_connect(bssgp_nsi, &nsvc->ip.bts_addr,
nsvc->nsei, nsvc->nsvci);
nsvc2 = gprs_ns_nsip_connect_sns(bssgp_nsi, &nsvc->ip.bts_addr, nsvc->nsei, nsvc->nsvci);
if (!nsvc2) {
LOGP(DBSSGP, LOGL_ERROR, "Failed to reconnect NSVC\n");
@ -919,7 +922,7 @@ struct gprs_bssgp_pcu *gprs_bssgp_create_and_connect(struct gprs_rlcmac_bts *bts
dest.sin_port = htons(sgsn_port);
dest.sin_addr.s_addr = htonl(sgsn_ip);
the_pcu.nsvc = gprs_ns_nsip_connect(bssgp_nsi, &dest, nsei, nsvci);
the_pcu.nsvc = gprs_ns_nsip_connect_sns(bssgp_nsi, &dest, nsei, nsvci);
if (!the_pcu.nsvc) {
LOGP(DBSSGP, LOGL_ERROR, "Failed to create NSVCt\n");
gprs_ns_destroy(bssgp_nsi);