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authorJacob Erlbeck <jerlbeck@sysmocom.de>2013-10-08 12:04:46 +0200
committerHolger Hans Peter Freyther <holger@moiji-mobile.com>2013-10-08 14:51:17 +0200
commitb6390f9bd899370317ae2cd96271b21f07fdf637 (patch)
tree5de9612e7872dfc7104428d13bc7013b415b7842 /src/gb
parent05395a63b77e97217fc5ffa84ab375adfcaca244 (diff)
gb: Use the NS-VCI to find an existing NS-VC
Currently when a NS-RESET is recevied over a link that has not yet been associated with a NS-VC, the NSEI is used to find an existing NS-VC. If one is found, the reset procedure is initiated. This behaviour is not conformant with 3GPP TS 08.16 (see chapter 4.2.3) which allows to use several NS-VC between two endpoints in parallel. The patch changes the implementation to use the NSVCI instead of the NSEI to search for an existing NS-VC object. Ticket: OW#874 Sponsored-by: On-Waves ehf
Diffstat (limited to 'src/gb')
-rw-r--r--src/gb/gprs_ns.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/src/gb/gprs_ns.c b/src/gb/gprs_ns.c
index 0fed43c5..b5f91c49 100644
--- a/src/gb/gprs_ns.c
+++ b/src/gb/gprs_ns.c
@@ -823,7 +823,7 @@ int gprs_ns_vc_create(struct gprs_ns_inst *nsi, struct msgb *msg,
struct gprs_nsvc *existing_nsvc;
struct tlv_parsed tp;
- uint16_t nsei;
+ uint16_t nsvci;
int rc;
@@ -868,10 +868,10 @@ int gprs_ns_vc_create(struct gprs_ns_inst *nsi, struct msgb *msg,
msg);
return -EINVAL;
}
- nsei = ntohs(*(uint16_t *) TLVP_VAL(&tp, NS_IE_NSEI));
- /* Check if we already know this NSEI, the remote end might
+ nsvci = ntohs(*(uint16_t *) TLVP_VAL(&tp, NS_IE_VCI));
+ /* Check if we already know this NSVCI, the remote end might
* simply have changed addresses, or it is a SGSN */
- existing_nsvc = gprs_nsvc_by_nsei(nsi, nsei);
+ existing_nsvc = gprs_nsvc_by_nsvci(nsi, nsvci);
if (!existing_nsvc) {
*new_nsvc = gprs_nsvc_create(nsi, 0xffff);
log_set_context(GPRS_CTX_NSVC, *new_nsvc);