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authorHarald Welte <laforge@gnumonks.org>2010-03-05 19:36:20 +0100
committerHarald Welte <laforge@gnumonks.org>2010-07-22 21:54:19 +0200
commit549faada213f3a446e6cf7d008c0e36cf8bf1c53 (patch)
tree20a40ffbb5cf11bb22b1e9b9330c7cb2bd202a45 /openbsc/src/ipaccess/network_listen.c
parentf21e453dc9fbd51aed7b452916c4b3d59f64afe5 (diff)
move ip.access netowrk listen (NWL) to network_listen.c
Also, we now re-start the network listen test after it has finished, so if you run a test from ipaccess-find, the test will get re-started and re-started all the time.
Diffstat (limited to 'openbsc/src/ipaccess/network_listen.c')
-rw-r--r--openbsc/src/ipaccess/network_listen.c172
1 files changed, 172 insertions, 0 deletions
diff --git a/openbsc/src/ipaccess/network_listen.c b/openbsc/src/ipaccess/network_listen.c
new file mode 100644
index 000000000..f64f44ec1
--- /dev/null
+++ b/openbsc/src/ipaccess/network_listen.c
@@ -0,0 +1,172 @@
+/* ip.access nanoBTS network listen mode */
+
+/* (C) 2009-2010 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 <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <stdint.h>
+
+#include <osmocore/talloc.h>
+#include <osmocore/timer.h>
+
+#include <openbsc/gsm_data.h>
+#include <openbsc/abis_nm.h>
+#include <openbsc/signal.h>
+#include <openbsc/debug.h>
+
+enum ipac_test_state {
+ IPAC_TEST_S_IDLE,
+ IPAC_TEST_S_RQD,
+ IPAC_TEST_S_EXEC,
+ IPAC_TEST_S_PARTIAL,
+};
+
+int ipac_nwl_test_start(struct gsm_bts_trx *trx, uint8_t testnr)
+{
+ const uint8_t phys_config[] = { 0x02, 0x0a, 0x00, 0x01, 0x02 };
+
+ if (trx->ipaccess.test_state != IPAC_TEST_S_IDLE) {
+ fprintf(stderr, "Cannot start test in state %u\n", trx->ipaccess.test_state);
+ return -EINVAL;
+ }
+
+ abis_nm_perform_test(trx->bts, 2, 0, trx->nr, 0xff, testnr, 1,
+ phys_config, sizeof(phys_config));
+
+ /* FIXME: start safety timer until when test is supposed to complete */
+
+ return 0;
+}
+
+struct ipacc_ferr_elem {
+ int16_t freq_err;
+ uint8_t freq_qual;
+ uint8_t arfcn;
+} __attribute__((packed));
+
+struct ipacc_cusage_elem {
+ uint16_t arfcn:10,
+ rxlev:6;
+} __attribute__ ((packed));
+
+static int test_rep(void *_msg)
+{
+ struct msgb *msg = _msg;
+ struct abis_om_fom_hdr *foh = msgb_l3(msg);
+ uint16_t test_rep_len, ferr_list_len;
+ struct ipacc_ferr_elem *ife;
+ struct ipac_bcch_info binfo;
+ int i, rc;
+
+ DEBUGP(DNM, "TEST REPORT: ");
+
+ if (foh->data[0] != NM_ATT_TEST_NO ||
+ foh->data[2] != NM_ATT_TEST_REPORT)
+ return -EINVAL;
+
+ DEBUGPC(DNM, "test_no=0x%02x ", foh->data[1]);
+ /* data[2] == NM_ATT_TEST_REPORT */
+ /* data[3..4]: test_rep_len */
+ test_rep_len = ntohs(*(uint16_t *) &foh->data[3]);
+ /* data[5]: ip.access test result */
+ DEBUGPC(DNM, "tst_res=%s\n", ipacc_testres_name(foh->data[5]));
+
+ /* data[6]: ip.access nested IE. 3 == freq_err_list */
+ switch (foh->data[6]) {
+ case NM_IPAC_EIE_FREQ_ERR_LIST:
+ /* data[7..8]: length of ferr_list */
+ ferr_list_len = ntohs(*(uint16_t *) &foh->data[7]);
+
+ /* data[9...]: frequency error list elements */
+ for (i = 0; i < ferr_list_len; i+= sizeof(*ife)) {
+ ife = (struct ipacc_ferr_elem *) (foh->data + 9 + i);
+ DEBUGP(DNM, "==> ARFCN %4u, Frequency Error %6hd\n",
+ ife->arfcn, ntohs(ife->freq_err));
+ }
+ break;
+ case NM_IPAC_EIE_CHAN_USE_LIST:
+ /* data[7..8]: length of ferr_list */
+ ferr_list_len = ntohs(*(uint16_t *) &foh->data[7]);
+
+ /* data[9...]: channel usage list elements */
+ for (i = 0; i < ferr_list_len; i+= 2) {
+ uint16_t *cu_ptr = (uint16_t *)(foh->data + 9 + i);
+ uint16_t cu = ntohs(*cu_ptr);
+ DEBUGP(DNM, "==> ARFCN %4u, RxLev %2u\n",
+ cu & 0x3ff, cu >> 10);
+ }
+ break;
+ case NM_IPAC_EIE_BCCH_INFO_TYPE:
+ break;
+ case NM_IPAC_EIE_BCCH_INFO:
+ rc = ipac_parse_bcch_info(&binfo, foh->data+6);
+ if (rc < 0) {
+ DEBUGP(DNM, "BCCH Info parsing failed\n");
+ break;
+ }
+ DEBUGP(DNM, "==> ARFCN %u, RxLev %2u, RxQual %2u: %3d-%d, LAC %d CI %d\n",
+ binfo.arfcn, binfo.rx_lev, binfo.rx_qual,
+ binfo.cgi.mcc, binfo.cgi.mnc,
+ binfo.cgi.lac, binfo.cgi.ci);
+ break;
+ default:
+ break;
+ }
+
+ switch (foh->data[5]) {
+ case NM_IPACC_TESTRES_SUCCESS:
+ case NM_IPACC_TESTRES_STOPPED:
+ case NM_IPACC_TESTRES_TIMEOUT:
+ case NM_IPACC_TESTRES_NO_CHANS:
+ msg->trx->ipaccess.test_state = IPAC_TEST_S_IDLE;
+ /* Send signal to notify higher layers of test completion */
+ dispatch_signal(SS_IPAC_NWL, S_IPAC_NWL_COMPLETE, msg->trx);
+ break;
+ case NM_IPACC_TESTRES_PARTIAL:
+ msg->trx->ipaccess.test_state = IPAC_TEST_S_PARTIAL;
+ break;
+ }
+
+ return 0;
+}
+
+static int nwl_sig_cb(unsigned int subsys, unsigned int signal,
+ void *handler_data, void *signal_data)
+{
+ struct ipacc_ack_signal_data *ipacc_data;
+
+ switch (signal) {
+ case S_NM_TEST_REP:
+ return test_rep(signal_data);
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+void ipac_nwl_init(void)
+{
+ register_signal_handler(SS_NM, nwl_sig_cb, NULL);
+}