GSM 04.08: Add support for parsing CSD related bearer capabilities
Also adds a test case for both encoder and decoder of this IE
diff --git a/tests/gsm0408/gsm0408_test.c b/tests/gsm0408/gsm0408_test.c
new file mode 100644
index 0000000..077063b
--- /dev/null
+++ b/tests/gsm0408/gsm0408_test.c
@@ -0,0 +1,133 @@
+/*
+ * (C) 2012 by Harald Welte <laforge@gnumonks.org>
+ * All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+
+#include <string.h>
+#include <stdio.h>
+
+#include <osmocom/gsm/protocol/gsm_04_08.h>
+#include <osmocom/gsm/gsm48_ie.h>
+#include <osmocom/gsm/mncc.h>
+#include <osmocom/core/utils.h>
+#include <osmocom/core/msgb.h>
+
+
+static const uint8_t csd_9600_v110_lv[] = { 0x07, 0xa1, 0xb8, 0x89, 0x21, 0x15, 0x63, 0x80 };
+
+static const struct gsm_mncc_bearer_cap bcap_csd_9600_v110 = {
+ .transfer = GSM48_BCAP_ITCAP_UNR_DIG_INF,
+ .mode = GSM48_BCAP_TMOD_CIRCUIT,
+ .coding = GSM48_BCAP_CODING_GSM_STD,
+ .radio = GSM48_BCAP_RRQ_FR_ONLY,
+ .speech_ver[0]= -1,
+ .data = {
+ .rate_adaption = GSM48_BCAP_RA_V110_X30,
+ .sig_access = GSM48_BCAP_SA_I440_I450,
+ .async = 1,
+ .nr_stop_bits = 1,
+ .nr_data_bits = 8,
+ .user_rate = GSM48_BCAP_UR_9600,
+ .parity = GSM48_BCAP_PAR_NONE,
+ .interm_rate = GSM48_BCAP_IR_16k,
+ .transp = GSM48_BCAP_TR_TRANSP,
+ .modem_type = GSM48_BCAP_MT_NONE,
+ },
+};
+
+static const uint8_t speech_all_lv[] = { 0x06, 0x60, 0x04, 0x02, 0x00, 0x05, 0x81 };
+
+static const struct gsm_mncc_bearer_cap bcap_speech_all = {
+ .transfer = GSM48_BCAP_ITCAP_SPEECH,
+ .mode = GSM48_BCAP_TMOD_CIRCUIT,
+ .coding = GSM48_BCAP_CODING_GSM_STD,
+ .radio = GSM48_BCAP_RRQ_DUAL_FR,
+ .speech_ver = {
+ 4, 2, 0, 5, 1, -1,
+ },
+};
+
+
+struct bcap_test {
+ const uint8_t *lv;
+ const struct gsm_mncc_bearer_cap *bc;
+ const char *name;
+};
+
+static const struct bcap_test bcap_tests[] = {
+ { csd_9600_v110_lv, &bcap_csd_9600_v110, "CSD 9600/V.110/transparent" },
+ { speech_all_lv, &bcap_speech_all, "Speech, all codecs" },
+};
+
+static int test_bearer_cap()
+{
+ struct gsm_mncc_bearer_cap bc;
+ int i, rc;
+
+ for (i = 0; i < ARRAY_SIZE(bcap_tests); i++) {
+ struct msgb *msg = msgb_alloc(100, "test");
+ int lv_len;
+
+ memset(&bc, 0, sizeof(bc));
+
+ /* test decoding */
+ rc = gsm48_decode_bearer_cap(&bc, bcap_tests[i].lv);
+ if (rc < 0) {
+ fprintf(stderr, "Error decoding %s\n",
+ bcap_tests[i].name);
+ return rc;
+ }
+ if (memcmp(&bc, bcap_tests[i].bc, sizeof(bc))) {
+ fprintf(stderr, "Incorrect decoded result of %s:\n",
+ bcap_tests[i].name);
+ fprintf(stderr, " should: %s\n",
+ osmo_hexdump((uint8_t *) bcap_tests[i].bc, sizeof(bc)));
+ fprintf(stderr, " is: %s\n",
+ osmo_hexdump((uint8_t *) &bc, sizeof(bc)));
+ return -1;
+ }
+
+ /* also test re-encode? */
+ rc = gsm48_encode_bearer_cap(msg, 1, &bc);
+ if (rc < 0) {
+ fprintf(stderr, "Error encoding %s\n",
+ bcap_tests[i].name);
+ return rc;
+ }
+ lv_len = bcap_tests[i].lv[0]+1;
+ if (memcmp(msg->data, bcap_tests[i].lv, lv_len)) {
+ fprintf(stderr, "Incorrect encoded result of %s:\n",
+ bcap_tests[i].name);
+ fprintf(stderr, " should: %s\n",
+ osmo_hexdump(bcap_tests[i].lv, lv_len));
+ fprintf(stderr, " is: %s\n",
+ osmo_hexdump(msg->data, msg->len));
+ return -1;
+ }
+
+ printf("Test `%s' passed\n", bcap_tests[i].name);
+ msgb_free(msg);
+ }
+
+ return 0;
+}
+
+int main(int argc, char **argv)
+{
+ test_bearer_cap();
+}