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-rw-r--r--src/gprs/gprs_gmm.c17
1 files changed, 13 insertions, 4 deletions
diff --git a/src/gprs/gprs_gmm.c b/src/gprs/gprs_gmm.c
index ad56c6083..91f769d61 100644
--- a/src/gprs/gprs_gmm.c
+++ b/src/gprs/gprs_gmm.c
@@ -2170,6 +2170,15 @@ static void mmctx_timer_cb(void *_mm)
static void pdpctx_timer_cb(void *_mm);
+
+static void pdpctx_timer_rearm(struct sgsn_pdp_ctx *pdp, unsigned int T, unsigned int seconds)
+{
+ if (osmo_timer_pending(&pdp->timer))
+ LOGPDPCTXP(LOGL_ERROR, pdp, "Scheduling PDP timer %u while old "
+ "timer %u pending\n", T, pdp->T);
+ osmo_timer_schedule(&pdp->timer, seconds, 0);
+}
+
static void pdpctx_timer_start(struct sgsn_pdp_ctx *pdp, unsigned int T,
unsigned int seconds)
{
@@ -2179,9 +2188,8 @@ static void pdpctx_timer_start(struct sgsn_pdp_ctx *pdp, unsigned int T,
pdp->T = T;
pdp->num_T_exp = 0;
- /* FIXME: we should do this only once ? */
osmo_timer_setup(&pdp->timer, pdpctx_timer_cb, pdp);
- osmo_timer_schedule(&pdp->timer, seconds, 0);
+ pdpctx_timer_rearm(pdp, pdp->T, seconds);
}
static void pdpctx_timer_stop(struct sgsn_pdp_ctx *pdp, unsigned int T)
@@ -2724,7 +2732,7 @@ static void pdpctx_timer_cb(void *_pdp)
switch (pdp->T) {
case 3395: /* waiting for PDP CTX DEACT ACK */
- if (pdp->num_T_exp >= 4) {
+ if (pdp->num_T_exp >= 5) {
LOGPDPCTXP(LOGL_NOTICE, pdp, "T3395 expired >= 5 times\n");
pdp->state = PDP_STATE_INACTIVE;
if (pdp->ggsn)
@@ -2733,7 +2741,8 @@ static void pdpctx_timer_cb(void *_pdp)
sgsn_pdp_ctx_free(pdp);
break;
}
- gsm48_tx_gsm_deact_pdp_req(pdp, GSM_CAUSE_NET_FAIL, true);
+ _gsm48_tx_gsm_deact_pdp_req(pdp->mm, pdp->ti, GSM_CAUSE_NET_FAIL, true);
+ pdpctx_timer_rearm(pdp, 3395, sgsn->cfg.timers.T3395);
break;
default:
LOGPDPCTXP(LOGL_ERROR, pdp, "timer expired in unknown mode %u\n",