Introduce FSM mm_state_gb_fsm
Implement TS 23.060 6.1.1 Mobility Management States (A/Gb mode) using
osmocom FSM and drop old implementation.
Most of the logic on each state is still kept in gprs_gmm.c, will be
inserted into the FSM later.
Change-Id: I04004423e993107374d5a3549b8a93ac169251dd
diff --git a/src/gprs/gprs_gb.c b/src/gprs/gprs_gb.c
index 43af434..65342cf 100644
--- a/src/gprs/gprs_gb.c
+++ b/src/gprs/gprs_gb.c
@@ -28,25 +28,11 @@
#include "bscconfig.h"
+#include <osmocom/sgsn/gprs_mm_state_gb_fsm.h>
#include <osmocom/sgsn/gprs_sgsn.h>
#include <osmocom/sgsn/gprs_gmm.h>
#include <osmocom/sgsn/debug.h>
-/* Update the MM context state */
-static void gsm0408_gprs_notify_pdu_gb(struct sgsn_mm_ctx *mmctx)
-{
- switch (mmctx->gb.mm_state) {
- case MM_STANDBY:
- mmctx_set_mm_state(mmctx, MM_READY);
- break;
- case MM_READY: /* RE-arm the timer upon receival of Gb PDUs */
- mmctx_state_timer_start(mmctx, 3314);
- break;
- default:
- break;
- }
-}
-
/* Main entry point for incoming 04.08 GPRS messages from Gb */
int gsm0408_gprs_rcvmsg_gb(struct msgb *msg, struct gprs_llc_llme *llme,
bool drop_cipherable)
@@ -63,13 +49,11 @@
msgid2mmctx(mmctx, msg);
rate_ctr_inc(&mmctx->ctrg->ctr[GMM_CTR_PKTS_SIG_IN]);
mmctx->gb.llme = llme;
+ osmo_fsm_inst_dispatch(mmctx->gb.mm_state_fsm, E_MM_PDU_RECEPTION, NULL);
}
/* MMCTX can be NULL */
- if (mmctx)
- gsm0408_gprs_notify_pdu_gb(mmctx);
-
switch (pdisc) {
case GSM48_PDISC_MM_GPRS:
rc = gsm0408_rcv_gmm(mmctx, msg, llme, drop_cipherable);