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Fix the bug for PTI mismatch (#355) 

If PDN connectivity/disconnect or Bearer Resource Modification,
MME should set UE's PTI.

And other case, PTI should set to be 0(unassigned).
This commit is contained in:
Sukchan Lee 2020-01-22 21:33:25 +09:00
parent 5ff8376a64
commit 81856afff9
1 changed files with 29 additions and 0 deletions
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29
src/mme/mme-s11-handler.c
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@ -384,6 +384,15 @@ void mme_s11_handle_create_bearer_request(
ogs_debug(" MME_S11_TEID[%d] SGW_S11_TEID[%d]",
mme_ue->mme_s11_teid, mme_ue->sgw_s11_teid);
/* Set PTI */
sess = bearer->sess;
ogs_assert(sess);
sess->pti = OGS_NAS_PROCEDURE_TRANSACTION_IDENTITY_UNASSIGNED;
if (req->procedure_transaction_id.presence) {
sess->pti = req->procedure_transaction_id.u8;
ogs_debug(" PTI[%d]", sess->pti);
}
/* Data Plane(UL) : SGW-S1U */
sgw_s1u_teid = req->bearer_contexts.s1_u_enodeb_f_teid.data;
bearer->sgw_s1u_teid = ntohl(sgw_s1u_teid->teid);
@ -430,6 +439,7 @@ void mme_s11_handle_update_bearer_request(
{
uint8_t cause_value = 0;
mme_bearer_t *bearer = NULL;
mme_sess_t *sess = NULL;
ogs_gtp_bearer_qos_t bearer_qos;
ogs_assert(xact);
@ -468,6 +478,15 @@ void mme_s11_handle_update_bearer_request(
ogs_debug(" MME_S11_TEID[%d] SGW_S11_TEID[%d]",
mme_ue->mme_s11_teid, mme_ue->sgw_s11_teid);
/* Set PTI */
sess = bearer->sess;
ogs_assert(sess);
sess->pti = OGS_NAS_PROCEDURE_TRANSACTION_IDENTITY_UNASSIGNED;
if (req->procedure_transaction_id.presence) {
sess->pti = req->procedure_transaction_id.u8;
ogs_debug(" PTI[%d]", sess->pti);
}
/* Save Transaction. will be handled after EMM-attached */
bearer->xact = xact;
@ -530,6 +549,7 @@ void mme_s11_handle_delete_bearer_request(
ogs_gtp_delete_bearer_request_t *req)
{
mme_bearer_t *bearer = NULL;
mme_sess_t *sess = NULL;
ogs_assert(xact);
ogs_assert(req);
@ -557,6 +577,15 @@ void mme_s11_handle_delete_bearer_request(
ogs_debug(" MME_S11_TEID[%d] SGW_S11_TEID[%d]",
mme_ue->mme_s11_teid, mme_ue->sgw_s11_teid);
/* Set PTI */
sess = bearer->sess;
ogs_assert(sess);
sess->pti = OGS_NAS_PROCEDURE_TRANSACTION_IDENTITY_UNASSIGNED;
if (req->procedure_transaction_id.presence) {
sess->pti = req->procedure_transaction_id.u8;
ogs_debug(" PTI[%d]", sess->pti);
}
/* Save Transaction. will be handled after EMM-attached */
ogs_assert(bearer);
bearer->xact = xact;