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-rw-r--r--tests/e1inp_ipa_bts_test.c132
1 files changed, 130 insertions, 2 deletions
diff --git a/tests/e1inp_ipa_bts_test.c b/tests/e1inp_ipa_bts_test.c
index 7b7ee86..2bacb5e 100644
--- a/tests/e1inp_ipa_bts_test.c
+++ b/tests/e1inp_ipa_bts_test.c
@@ -6,6 +6,7 @@
#include <osmocom/core/logging.h>
#include <osmocom/core/application.h>
#include <osmocom/abis/ipaccess.h>
+#include <osmocom/gsm/protocol/gsm_12_21.h>
static void *tall_test;
static struct e1inp_sign_link *oml_sign_link, *rsl_sign_link;
@@ -27,6 +28,14 @@ const struct log_info bts_test_log_info = {
.num_cat = ARRAY_SIZE(bts_test_cat),
};
+enum bts_state_machine {
+ BTS_TEST_OML_SIGN_LINK_DOWN = 0,
+ BTS_TEST_OML_SIGN_LINK_UP,
+ BTS_TEST_OML_WAIT_SW_ACT_ACK,
+};
+
+static enum bts_state_machine bts_state = BTS_TEST_OML_SIGN_LINK_DOWN;
+
static struct e1inp_sign_link *
sign_link_up(void *unit, struct e1inp_line *line, enum e1inp_sign_type type)
{
@@ -46,6 +55,8 @@ sign_link_up(void *unit, struct e1inp_line *line, enum e1inp_sign_type type)
"cannot create OML sign link\n");
}
dst = oml_sign_link;
+ /* Now we can send OML messages to the BSC. */
+ bts_state = BTS_TEST_OML_SIGN_LINK_UP;
break;
case E1INP_SIGN_RSL:
LOGP(DBTSTEST, LOGL_NOTICE, "RSL link up request received.\n");
@@ -77,10 +88,108 @@ static void sign_link_down(struct e1inp_line *line)
e1inp_sign_link_destroy(rsl_sign_link);
}
+static int abis_nm_rcvmsg_fom(struct msgb *msg)
+{
+ struct abis_om_fom_hdr *foh = msgb_l3(msg);
+ uint8_t mt = foh->msg_type;
+ int ret = 0;
+
+ switch (mt) {
+ case NM_MT_SW_ACT_REQ_ACK: /* SW activate request ACK from BSC. */
+ LOGP(DBTSTEST, LOGL_NOTICE, "Receive SW Act Req ACK\n");
+ break;
+ default:
+ LOGP(DBTSTEST, LOGL_ERROR, "unknown OML message\n");
+ break;
+ }
+ return ret;
+}
+
+static int abis_nm_rcvmsg(struct msgb *msg)
+{
+ int ret = 0;
+ struct abis_om_hdr *oh = msgb_l2(msg);
+
+ msg->l3h = (unsigned char *)oh + sizeof(*oh);
+ switch (oh->mdisc) {
+ case ABIS_OM_MDISC_FOM:
+ ret = abis_nm_rcvmsg_fom(msg);
+ break;
+ default:
+ LOGP(DBTSTEST, LOGL_ERROR, "unknown OML message\n");
+ break;
+ }
+ return ret;
+}
+
static int sign_link(struct msgb *msg)
{
- LOGP(DBTSTEST, LOGL_NOTICE, "OML/RSL message received.\n");
- return 0;
+ int ret = 0;
+ struct e1inp_sign_link *link = msg->dst;
+
+ switch(link->type) {
+ case E1INP_SIGN_OML:
+ LOGP(DBTSTEST, LOGL_NOTICE, "OML message received.\n");
+ ret = abis_nm_rcvmsg(msg);
+ break;
+ case E1INP_SIGN_RSL:
+ LOGP(DBTSTEST, LOGL_NOTICE, "RSL message received.\n");
+ break;
+ default:
+ LOGP(DBTSTEST, LOGL_ERROR, "Unknown signalling message.\n");
+ break;
+ }
+ return ret;
+}
+
+static void fill_om_hdr(struct abis_om_hdr *oh, uint8_t len)
+{
+ oh->mdisc = ABIS_OM_MDISC_FOM;
+ oh->placement = ABIS_OM_PLACEMENT_ONLY;
+ oh->sequence = 0;
+ oh->length = len;
+}
+
+static void fill_om_fom_hdr(struct abis_om_hdr *oh, uint8_t len,
+ uint8_t msg_type, uint8_t obj_class,
+ uint8_t bts_nr, uint8_t trx_nr, uint8_t ts_nr)
+{
+ struct abis_om_fom_hdr *foh = (struct abis_om_fom_hdr *) oh->data;
+
+ fill_om_hdr(oh, len+sizeof(*foh));
+ foh->msg_type = msg_type;
+ foh->obj_class = obj_class;
+ foh->obj_inst.bts_nr = bts_nr;
+ foh->obj_inst.trx_nr = trx_nr;
+ foh->obj_inst.ts_nr = ts_nr;
+}
+
+#define OM_ALLOC_SIZE 1024
+#define OM_HEADROOM_SIZE 128
+
+static struct msgb *nm_msgb_alloc(void)
+{
+ return msgb_alloc_headroom(OM_ALLOC_SIZE, OM_HEADROOM_SIZE, "BTS/test");
+}
+
+static int abis_nm_sw_act_req(struct e1inp_sign_link *sign_link,
+ uint8_t obj_class,
+ uint8_t i1, uint8_t i2, uint8_t i3,
+ uint8_t *attr, int att_len)
+{
+ struct abis_om_hdr *oh;
+ struct msgb *msg = nm_msgb_alloc();
+ uint8_t msgtype = NM_MT_SW_ACT_REQ;
+
+ oh = (struct abis_om_hdr *) msgb_put(msg, ABIS_OM_FOM_HDR_SIZE);
+ fill_om_fom_hdr(oh, att_len, msgtype, obj_class, i1, i2, i3);
+
+ if (attr) {
+ uint8_t *ptr = msgb_put(msg, att_len);
+ memcpy(ptr, attr, att_len);
+ }
+ msg->dst = sign_link;
+ return abis_sendmsg(msg);
}
int main(void)
@@ -130,7 +239,26 @@ int main(void)
LOGP(DBTSTEST, LOGL_NOTICE, "entering main loop\n");
while (1) {
+ int ret;
+
osmo_select_main(0);
+
+ switch(bts_state) {
+ case BTS_TEST_OML_SIGN_LINK_DOWN:
+ /* Do nothing until OML link becomes ready. */
+ break;
+ case BTS_TEST_OML_SIGN_LINK_UP:
+ /* OML link is up, send SW ACT REQ. */
+ ret = abis_nm_sw_act_req(oml_sign_link, 0,
+ bts_dev_info.bts_id,
+ bts_dev_info.trx_id,
+ 0, NULL, 0);
+ bts_state = BTS_TEST_OML_WAIT_SW_ACT_ACK;
+ break;
+ case BTS_TEST_OML_WAIT_SW_ACT_ACK:
+ /* ... things should continue after this. */
+ break;
+ }
}
return 0;
}