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gprs: Use a macro value to set the 'Periodic RA update timer'

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Currently the T3312 timer is directly set as encoded value when
generating the Attach/RAU Accept messages.

This patch adds GSM0408_T3312_SECS and uses it to set the
information element's value.

Sponsored-by: On-Waves ehf
This commit is contained in:
Jacob Erlbeck
2015-01-23 12:32:38 +01:00
committed by Holger Hans Peter Freyther
parent 8de9c48c99
commit 841d95f867
1 changed files with 5 additions and 2 deletions
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7
openbsc/src/gprs/gprs_gmm.c
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@@ -57,6 +57,9 @@
#define PTMSI_ALLOC
/* Section 11.2.2 / Table 11.3a GPRS Mobility management timers – MS side */
#define GSM0408_T3312_SECS (10*60) /* periodic RAU interval, default 54min */
/* Section 11.2.2 / Table 11.4 MM timers netwokr side */
#define GSM0408_T3322_SECS 6 /* DETACH_REQ -> DETACH_ACC */
#define GSM0408_T3350_SECS 6 /* waiting for ATT/RAU/TMSI COMPL */
@@ -327,7 +330,7 @@ static int gsm48_tx_gmm_att_ack(struct sgsn_mm_ctx *mm)
aa = (struct gsm48_attach_ack *) msgb_put(msg, sizeof(*aa));
aa->force_stby = 0; /* not indicated */
aa->att_result = 1; /* GPRS only */
aa->ra_upd_timer = GPRS_TMR_MINUTE | 10;
aa->ra_upd_timer = gprs_secs_to_tmr_floor(GSM0408_T3312_SECS);
aa->radio_prio = 4; /* lowest */
gsm48_construct_ra(aa->ra_id.digits, &mm->ra);
@@ -978,7 +981,7 @@ static int gsm48_tx_gmm_ra_upd_ack(struct sgsn_mm_ctx *mm)
rua = (struct gsm48_ra_upd_ack *) msgb_put(msg, sizeof(*rua));
rua->force_stby = 0; /* not indicated */
rua->upd_result = 0; /* RA updated */
rua->ra_upd_timer = GPRS_TMR_MINUTE | 10;
rua->ra_upd_timer = gprs_secs_to_tmr_floor(GSM0408_T3312_SECS);
gsm48_construct_ra(rua->ra_id.digits, &mm->ra);