From 2eafef599cc400cd8942cb2a9ed5e295f424405a Mon Sep 17 00:00:00 2001
From: Holger Freyther <zecke@selfish.org>
Date: Mon, 29 Dec 2008 06:42:17 +0000
Subject: [PATCH] Up on call released release the channel and take the next
 item

Once a call is released, release the gsm_lchan and move to the
next item in pending_stations or wait for more work.
---
 include/openbsc/gsm_data.h |  1 +
 src/bsc_hack.c             | 11 +++++++++++
 src/gsm_04_08.c            |  3 +++
 3 files changed, 15 insertions(+)

diff --git a/include/openbsc/gsm_data.h b/include/openbsc/gsm_data.h
index a838c79b7..c3eea594a 100644
--- a/include/openbsc/gsm_data.h
+++ b/include/openbsc/gsm_data.h
@@ -151,6 +151,7 @@ struct gsm_network {
 	void (*update_request_accepted)(struct gsm_bts *, u_int32_t);
 	void (*channel_allocated)(struct gsm_lchan *bts, enum gsm_chreq_reason_t);
 	void (*channel_response)(struct gsm_lchan *, int acked);
+	void (*call_released)(struct gsm_lchan *);
 };
 
 struct gsm_network *gsm_network_init(unsigned int num_bts, u_int16_t country_code,
diff --git a/src/bsc_hack.c b/src/bsc_hack.c
index 0087de277..94bc3461e 100644
--- a/src/bsc_hack.c
+++ b/src/bsc_hack.c
@@ -53,6 +53,7 @@ static void bsc_hack_update_request_accepted(struct gsm_bts *bts, u_int32_t assi
 static void bsc_hack_channel_allocated(struct gsm_lchan *chan,
 			enum gsm_chreq_reason_t reason);
 static void bsc_hack_channel_response(struct gsm_lchan *chan, int acked);
+static void bsc_hack_call_released(struct gsm_lchan *chan);
 
 
 /* The following definitions are for OM and NM packets that we cannot yet
@@ -645,6 +646,7 @@ static int bootstrap_network(void)
 	gsmnet->update_request_accepted = bsc_hack_update_request_accepted;
 	gsmnet->channel_allocated = bsc_hack_channel_allocated;
 	gsmnet->channel_response = bsc_hack_channel_response;
+	gsmnet->call_released = bsc_hack_call_released;
 
 	if (mi_setup(bts, 0, mi_cb) < 0)
 		return -EIO;
@@ -875,6 +877,15 @@ static void bsc_hack_channel_response(struct gsm_lchan *lchan, int ack)
 	}
 }
 
+static void bsc_hack_call_released(struct gsm_lchan *lchan)
+{
+	DEBUGP(DPAG, "Call released jumping to the next...\n");
+	rsl_chan_release(lchan);
+
+	/* next!!! */
+	pag_timer_cb(0);
+}
+
 int main(int argc, char **argv)
 {
 	/* parse options */
diff --git a/src/gsm_04_08.c b/src/gsm_04_08.c
index 918116db1..4bdc5f77f 100644
--- a/src/gsm_04_08.c
+++ b/src/gsm_04_08.c
@@ -537,6 +537,7 @@ static int gsm0408_rcv_cc(struct msgb *msg)
 	struct gsm48_hdr *gh = msgb_l3(msg);
 	u_int8_t msg_type = gh->msg_type & 0xbf;
 	struct gsm_call *call = &msg->lchan->call;
+	struct gsm_network *network = msg->lchan->ts->trx->bts->network;
 	int rc = 0;
 
 	switch (msg_type) {
@@ -548,6 +549,8 @@ static int gsm0408_rcv_cc(struct msgb *msg)
 		/* Answer from MS to RELEASE */
 		DEBUGP(DCC, "RELEASE COMPLETE (state->NULL)\n");
 		call->state = GSM_CSTATE_NULL;
+		if (network->call_released)
+			(*network->call_released)(msg->lchan);
 		break;
 	case GSM48_MT_CC_ALERTING:
 		DEBUGP(DCC, "ALERTING\n");