[RRLP] make RRLP mode configurable from config file
We now support different RRLP modes (including "none" to disable RRLP),
you can configure it via "rrlp mode" in the "network" section of
openbsc.cfg.
diff --git a/openbsc/src/rrlp.c b/openbsc/src/rrlp.c
index 523b53f..60ce750 100644
--- a/openbsc/src/rrlp.c
+++ b/openbsc/src/rrlp.c
@@ -1,4 +1,4 @@
-
+/* Radio Resource LCS (Location) Protocol, GMS TS 04.31 */
/* (C) 2009 by Harald Welte <laforge@gnumonks.org>
*
@@ -28,9 +28,42 @@
#include <openbsc/gsm_subscriber.h>
#include <openbsc/chan_alloc.h>
-/* RRLP MS based position request */
+/* RRLP msPositionReq, nsBased,
+ * Accuracy=60, Method=gps, ResponseTime=2, oneSet */
static const u_int8_t ms_based_pos_req[] = { 0x40, 0x01, 0x78, 0xa8 };
+/* RRLP msPositionReq, msBasedPref,
+ Accuracy=60, Method=gpsOrEOTD, ResponseTime=5, multipleSets */
+static const u_int8_t ms_pref_pos_req[] = { 0x40, 0x02, 0x79, 0x50 };
+
+/* RRLP msPositionReq, msAssistedPref,
+ Accuracy=60, Method=gpsOrEOTD, ResponseTime=5, multipleSets */
+static const u_int8_t ass_pref_pos_req[] = { 0x40, 0x03, 0x79, 0x50 };
+
+static int send_rrlp_req(struct gsm_lchan *lchan)
+{
+ struct gsm_network *net = lchan->ts->trx->bts->network;
+ const u_int8_t *req;
+
+ switch (net->rrlp.mode) {
+ case RRLP_MODE_MS_BASED:
+ req = ms_based_pos_req;
+ break;
+ case RRLP_MODE_MS_PREF:
+ req = ms_pref_pos_req;
+ break;
+ case RRLP_MODE_ASS_PREF:
+ req = ass_pref_pos_req;
+ break;
+ case RRLP_MODE_NONE:
+ default:
+ return 0;
+ }
+
+ return gsm48_send_rr_app_info(lchan, 0x00,
+ sizeof(ms_based_pos_req), req);
+}
+
static int subscr_sig_cb(unsigned int subsys, unsigned int signal,
void *handler_data, void *signal_data)
{
@@ -44,8 +77,7 @@
lchan = lchan_for_subscr(subscr);
if (!lchan)
break;
- gsm48_send_rr_app_info(lchan, 0x00, sizeof(ms_based_pos_req),
- ms_based_pos_req);
+ send_rrlp_req(lchan);
break;
}
return 0;
@@ -59,9 +91,7 @@
switch (signal) {
case S_PAGING_COMPLETED:
/* A subscriber has attached. */
- gsm48_send_rr_app_info(psig_data->lchan, 0x00,
- sizeof(ms_based_pos_req),
- ms_based_pos_req);
+ send_rrlp_req(psig_data->lchan);
break;
}
return 0;