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Diffstat (limited to 'src/gprs/gprs_gmm.c')
-rw-r--r--src/gprs/gprs_gmm.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/src/gprs/gprs_gmm.c b/src/gprs/gprs_gmm.c
index 9d8a8695..d06fa6c4 100644
--- a/src/gprs/gprs_gmm.c
+++ b/src/gprs/gprs_gmm.c
@@ -2295,11 +2295,12 @@ int gsm48_tx_gsm_act_pdp_rej(struct sgsn_mm_ctx *mm, uint8_t tid,
/* Section 9.5.8: Deactivate PDP Context Request */
static int _gsm48_tx_gsm_deact_pdp_req(struct sgsn_mm_ctx *mm, uint8_t tid,
- uint8_t sm_cause)
+ uint8_t sm_cause, bool teardown)
{
struct msgb *msg = gsm48_msgb_alloc_name("GSM 04.08 PDP DET REQ");
struct gsm48_hdr *gh;
uint8_t transaction_id = tid ^ 0x8; /* flip */
+ uint8_t tear_down_ind = (0x9 << 4) | (!!teardown);
LOGMMCTXP(LOGL_INFO, mm, "<- DEACTIVATE PDP CONTEXT REQ\n");
rate_ctr_inc(&sgsn->rate_ctrs->ctr[CTR_PDP_DL_DEACTIVATE_REQUEST]);
@@ -2311,14 +2312,15 @@ static int _gsm48_tx_gsm_deact_pdp_req(struct sgsn_mm_ctx *mm, uint8_t tid,
gh->msg_type = GSM48_MT_GSM_DEACT_PDP_REQ;
msgb_v_put(msg, sm_cause);
+ msgb_v_put(msg, tear_down_ind);
return gsm48_gmm_sendmsg(msg, 0, mm, true);
}
-int gsm48_tx_gsm_deact_pdp_req(struct sgsn_pdp_ctx *pdp, uint8_t sm_cause)
+int gsm48_tx_gsm_deact_pdp_req(struct sgsn_pdp_ctx *pdp, uint8_t sm_cause, bool teardown)
{
pdpctx_timer_start(pdp, 3395, sgsn->cfg.timers.T3395);
- return _gsm48_tx_gsm_deact_pdp_req(pdp->mm, pdp->ti, sm_cause);
+ return _gsm48_tx_gsm_deact_pdp_req(pdp->mm, pdp->ti, sm_cause, teardown);
}
/* Section 9.5.9: Deactivate PDP Context Accept */
@@ -2724,7 +2726,7 @@ static void pdpctx_timer_cb(void *_pdp)
sgsn_delete_pdp_ctx(pdp);
break;
}
- gsm48_tx_gsm_deact_pdp_req(pdp, GSM_CAUSE_NET_FAIL);
+ gsm48_tx_gsm_deact_pdp_req(pdp, GSM_CAUSE_NET_FAIL, true);
break;
default:
LOGPDPCTXP(LOGL_ERROR, pdp, "timer expired in unknown mode %u\n",