gprs: Implement PURGE_MS GSUP messages
This commit implements the encoding and decoding of the messages
- Purge MS Request
- Purge MS Error
- Purge MS Result
and adds corresponding tests.
Sponsored-by: On-Waves ehf
diff --git a/openbsc/include/openbsc/gprs_gsup_messages.h b/openbsc/include/openbsc/gprs_gsup_messages.h
index f1a9978..b63f74b 100644
--- a/openbsc/include/openbsc/gprs_gsup_messages.h
+++ b/openbsc/include/openbsc/gprs_gsup_messages.h
@@ -39,6 +39,7 @@
GPRS_GSUP_PDP_INFO_COMPL_IE = 0x04,
GPRS_GSUP_PDP_INFO_IE = 0x05,
GPRS_GSUP_CANCEL_TYPE_IE = 0x06,
+ GPRS_GSUP_FREEZE_PTMSI_IE = 0x07,
GPRS_GSUP_PDP_CONTEXT_ID_IE = 0x10,
GPRS_GSUP_PDP_TYPE_IE = 0x11,
GPRS_GSUP_ACCESS_POINT_NAME_IE = 0x12,
@@ -92,6 +93,7 @@
enum gsm48_gmm_cause cause;
enum gprs_gsup_cancel_type cancel_type;
int pdp_info_compl;
+ int freeze_ptmsi;
struct gsm_auth_tuple auth_tuples[GPRS_GSUP_MAX_NUM_AUTH_INFO];
size_t num_auth_tuples;
struct gprs_gsup_pdp_info pdp_infos[GPRS_GSUP_MAX_NUM_PDP_INFO];
diff --git a/openbsc/src/gprs/gprs_gsup_messages.c b/openbsc/src/gprs/gprs_gsup_messages.c
index 1dad74f..8996fe2 100644
--- a/openbsc/src/gprs/gprs_gsup_messages.c
+++ b/openbsc/src/gprs/gprs_gsup_messages.c
@@ -237,6 +237,10 @@
gsup_msg->pdp_info_compl = 1;
break;
+ case GPRS_GSUP_FREEZE_PTMSI_IE:
+ gsup_msg->freeze_ptmsi = 1;
+ break;
+
case GPRS_GSUP_PDP_CONTEXT_ID_IE:
/* When these IE appear in the top-level part of the
* message, they are used by Delete Subscr Info to delete
@@ -381,6 +385,9 @@
if (gsup_msg->pdp_info_compl)
msgb_tlv_put(msg, GPRS_GSUP_PDP_INFO_COMPL_IE, 0, &u8);
+ if (gsup_msg->freeze_ptmsi)
+ msgb_tlv_put(msg, GPRS_GSUP_FREEZE_PTMSI_IE, 0, &u8);
+
for (idx = 0; idx < gsup_msg->num_pdp_infos; idx++) {
const struct gprs_gsup_pdp_info *pdp_info;
diff --git a/openbsc/tests/gprs/gprs_test.c b/openbsc/tests/gprs/gprs_test.c
index b8e9cbe..37dc832 100644
--- a/openbsc/tests/gprs/gprs_test.c
+++ b/openbsc/tests/gprs/gprs_test.c
@@ -471,6 +471,23 @@
TEST_IMSI_IE,
};
+ static const uint8_t purge_ms_req[] = {
+ 0x0c,
+ TEST_IMSI_IE,
+ };
+
+ static const uint8_t purge_ms_err[] = {
+ 0x0c,
+ TEST_IMSI_IE,
+ 0x02, 0x01, 0x03, /* Illegal MS */
+ };
+
+ static const uint8_t purge_ms_res[] = {
+ 0x0c,
+ TEST_IMSI_IE,
+ 0x07, 0x00,
+ };
+
static const struct test {
char *name;
const uint8_t *data;
@@ -494,6 +511,12 @@
location_cancellation_err, sizeof(location_cancellation_err)},
{"Location Cancellation Result",
location_cancellation_res, sizeof(location_cancellation_res)},
+ {"Purge MS Request",
+ purge_ms_req, sizeof(purge_ms_req)},
+ {"Purge MS Error",
+ purge_ms_err, sizeof(purge_ms_err)},
+ {"Purge MS Result",
+ purge_ms_res, sizeof(purge_ms_res)},
};
printf("Test GSUP message decoding/encoding\n");
diff --git a/openbsc/tests/gprs/gprs_test.ok b/openbsc/tests/gprs/gprs_test.ok
index eda1f36..4825b67 100644
--- a/openbsc/tests/gprs/gprs_test.ok
+++ b/openbsc/tests/gprs/gprs_test.ok
@@ -24,4 +24,7 @@
Testing Location Cancellation Request
Testing Location Cancellation Error
Testing Location Cancellation Result
+ Testing Purge MS Request
+ Testing Purge MS Error
+ Testing Purge MS Result
Done.