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authorHarald Welte <laforge@gnumonks.org>2011-05-27 18:17:05 +0200
committerHarald Welte <laforge@gnumonks.org>2011-05-27 18:17:05 +0200
commit783730eae1cc9eb35f410d1be8f5fb93a1ec6423 (patch)
tree3a1ea93ad0cb9bc498bebb57f6480be72ee4c608 /src/shared/libosmocore/src
parentd76345aefa34c576dd142eb64cb0f765cda22933 (diff)
parent4d3a7b124e08a597d5f01fb2a71f3a4677a360a9 (diff)
Merge commit '4d3a7b124e08a597d5f01fb2a71f3a4677a360a9'
Diffstat (limited to 'src/shared/libosmocore/src')
-rw-r--r--src/shared/libosmocore/src/gsm/Makefile.am2
-rw-r--r--src/shared/libosmocore/src/gsm/abis_nm.c32
-rw-r--r--src/shared/libosmocore/src/gsm/sysinfo.c131
-rw-r--r--src/shared/libosmocore/src/socket.c2
4 files changed, 166 insertions, 1 deletions
diff --git a/src/shared/libosmocore/src/gsm/Makefile.am b/src/shared/libosmocore/src/gsm/Makefile.am
index 94f137e2..55b772f1 100644
--- a/src/shared/libosmocore/src/gsm/Makefile.am
+++ b/src/shared/libosmocore/src/gsm/Makefile.am
@@ -8,7 +8,7 @@ AM_CFLAGS = -fPIC -Wall
lib_LTLIBRARIES = libosmogsm.la
libosmogsm_la_SOURCES = a5.c rxlev_stat.c tlv_parser.c comp128.c gsm_utils.c \
- rsl.c gsm48.c gsm48_ie.c gsm0808.c \
+ rsl.c gsm48.c gsm48_ie.c gsm0808.c sysinfo.c \
gprs_cipher_core.c gsm0480.c abis_nm.c
libosmogsm_la_LDFLAGS = -version-info $(LIBVERSION)
libosmogsm_la_LIBADD = $(top_builddir)/src/libosmocore.la
diff --git a/src/shared/libosmocore/src/gsm/abis_nm.c b/src/shared/libosmocore/src/gsm/abis_nm.c
index 109c3bba..a82194fd 100644
--- a/src/shared/libosmocore/src/gsm/abis_nm.c
+++ b/src/shared/libosmocore/src/gsm/abis_nm.c
@@ -21,9 +21,12 @@
*/
#include <stdint.h>
+#include <errno.h>
+
#include <osmocom/core/utils.h>
#include <osmocom/core/logging.h>
#include <osmocom/gsm/tlv.h>
+#include <osmocom/gsm/gsm_utils.h>
#include <osmocom/gsm/protocol/gsm_12_21.h>
#include <osmocom/gsm/abis_nm.h>
@@ -394,3 +397,32 @@ void abis_nm_debugp_foh(int ss, struct abis_om_fom_hdr *foh)
foh->obj_class, foh->obj_inst.bts_nr, foh->obj_inst.trx_nr,
foh->obj_inst.ts_nr);
}
+
+static const enum abis_nm_chan_comb chcomb4pchan[] = {
+ [GSM_PCHAN_CCCH] = NM_CHANC_mainBCCH,
+ [GSM_PCHAN_CCCH_SDCCH4] = NM_CHANC_BCCHComb,
+ [GSM_PCHAN_TCH_F] = NM_CHANC_TCHFull,
+ [GSM_PCHAN_TCH_H] = NM_CHANC_TCHHalf,
+ [GSM_PCHAN_SDCCH8_SACCH8C] = NM_CHANC_SDCCH,
+ [GSM_PCHAN_PDCH] = NM_CHANC_IPAC_PDCH,
+ [GSM_PCHAN_TCH_F_PDCH] = NM_CHANC_IPAC_TCHFull_PDCH,
+ /* FIXME: bounds check */
+};
+
+int abis_nm_chcomb4pchan(enum gsm_phys_chan_config pchan)
+{
+ if (pchan < ARRAY_SIZE(chcomb4pchan))
+ return chcomb4pchan[pchan];
+
+ return -EINVAL;
+}
+
+enum abis_nm_chan_comb abis_nm_pchan4chcomb(uint8_t chcomb)
+{
+ int i;
+ for (i = 0; i < ARRAY_SIZE(chcomb4pchan); i++) {
+ if (chcomb4pchan[i] == chcomb)
+ return i;
+ }
+ return GSM_PCHAN_NONE;
+}
diff --git a/src/shared/libosmocore/src/gsm/sysinfo.c b/src/shared/libosmocore/src/gsm/sysinfo.c
new file mode 100644
index 00000000..0dbff3ae
--- /dev/null
+++ b/src/shared/libosmocore/src/gsm/sysinfo.c
@@ -0,0 +1,131 @@
+/* GSM 04.08 System Information (SI) encoding and decoding
+ * 3GPP TS 04.08 version 7.21.0 Release 1998 / ETSI TS 100 940 V7.21.0 */
+
+/* (C) 2008-2010 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <errno.h>
+#include <string.h>
+#include <stdio.h>
+#include <netinet/in.h>
+
+#include <osmocom/core/bitvec.h>
+#include <osmocom/core/utils.h>
+#include <osmocom/gsm/sysinfo.h>
+#include <osmocom/gsm/protocol/gsm_04_08.h>
+#include <osmocom/gsm/protocol/gsm_08_58.h>
+
+/* verify the sizes of the system information type structs */
+
+/* rest octets are not part of the struct */
+osmo_static_assert(sizeof(struct gsm48_system_information_type_header) == 3, _si_header_size);
+osmo_static_assert(sizeof(struct gsm48_rach_control) == 3, _si_rach_control);
+osmo_static_assert(sizeof(struct gsm48_system_information_type_1) == 22, _si1_size);
+osmo_static_assert(sizeof(struct gsm48_system_information_type_2) == 23, _si2_size);
+osmo_static_assert(sizeof(struct gsm48_system_information_type_3) == 19, _si3_size);
+osmo_static_assert(sizeof(struct gsm48_system_information_type_4) == 13, _si4_size);
+
+/* bs11 forgot the l2 len, 0-6 rest octets */
+osmo_static_assert(sizeof(struct gsm48_system_information_type_5) == 18, _si5_size);
+osmo_static_assert(sizeof(struct gsm48_system_information_type_6) == 11, _si6_size);
+
+osmo_static_assert(sizeof(struct gsm48_system_information_type_13) == 3, _si13_size);
+
+static const uint8_t sitype2rsl[_MAX_SYSINFO_TYPE] = {
+ [SYSINFO_TYPE_1] = RSL_SYSTEM_INFO_1,
+ [SYSINFO_TYPE_2] = RSL_SYSTEM_INFO_2,
+ [SYSINFO_TYPE_3] = RSL_SYSTEM_INFO_3,
+ [SYSINFO_TYPE_4] = RSL_SYSTEM_INFO_4,
+ [SYSINFO_TYPE_5] = RSL_SYSTEM_INFO_5,
+ [SYSINFO_TYPE_6] = RSL_SYSTEM_INFO_6,
+ [SYSINFO_TYPE_7] = RSL_SYSTEM_INFO_7,
+ [SYSINFO_TYPE_8] = RSL_SYSTEM_INFO_8,
+ [SYSINFO_TYPE_9] = RSL_SYSTEM_INFO_9,
+ [SYSINFO_TYPE_10] = RSL_SYSTEM_INFO_10,
+ [SYSINFO_TYPE_13] = RSL_SYSTEM_INFO_13,
+ [SYSINFO_TYPE_16] = RSL_SYSTEM_INFO_16,
+ [SYSINFO_TYPE_17] = RSL_SYSTEM_INFO_17,
+ [SYSINFO_TYPE_18] = RSL_SYSTEM_INFO_18,
+ [SYSINFO_TYPE_19] = RSL_SYSTEM_INFO_19,
+ [SYSINFO_TYPE_20] = RSL_SYSTEM_INFO_20,
+ [SYSINFO_TYPE_2bis] = RSL_SYSTEM_INFO_2bis,
+ [SYSINFO_TYPE_2ter] = RSL_SYSTEM_INFO_2ter,
+ [SYSINFO_TYPE_2quater] = RSL_SYSTEM_INFO_2quater,
+ [SYSINFO_TYPE_5bis] = RSL_SYSTEM_INFO_5bis,
+ [SYSINFO_TYPE_5ter] = RSL_SYSTEM_INFO_5ter,
+};
+
+static const uint8_t rsl2sitype[0xff] = {
+ [RSL_SYSTEM_INFO_1] = SYSINFO_TYPE_1,
+ [RSL_SYSTEM_INFO_2] = SYSINFO_TYPE_2,
+ [RSL_SYSTEM_INFO_3] = SYSINFO_TYPE_3,
+ [RSL_SYSTEM_INFO_4] = SYSINFO_TYPE_4,
+ [RSL_SYSTEM_INFO_5] = SYSINFO_TYPE_5,
+ [RSL_SYSTEM_INFO_6] = SYSINFO_TYPE_6,
+ [RSL_SYSTEM_INFO_7] = SYSINFO_TYPE_7,
+ [RSL_SYSTEM_INFO_8] = SYSINFO_TYPE_8,
+ [RSL_SYSTEM_INFO_9] = SYSINFO_TYPE_9,
+ [RSL_SYSTEM_INFO_10] = SYSINFO_TYPE_10,
+ [RSL_SYSTEM_INFO_13] = SYSINFO_TYPE_13,
+ [RSL_SYSTEM_INFO_16] = SYSINFO_TYPE_16,
+ [RSL_SYSTEM_INFO_17] = SYSINFO_TYPE_17,
+ [RSL_SYSTEM_INFO_18] = SYSINFO_TYPE_18,
+ [RSL_SYSTEM_INFO_19] = SYSINFO_TYPE_19,
+ [RSL_SYSTEM_INFO_20] = SYSINFO_TYPE_20,
+ [RSL_SYSTEM_INFO_2bis] = SYSINFO_TYPE_2bis,
+ [RSL_SYSTEM_INFO_2ter] = SYSINFO_TYPE_2ter,
+ [RSL_SYSTEM_INFO_2quater] = SYSINFO_TYPE_2quater,
+ [RSL_SYSTEM_INFO_5bis] = SYSINFO_TYPE_5bis,
+ [RSL_SYSTEM_INFO_5ter] = SYSINFO_TYPE_5ter,
+};
+
+const struct value_string osmo_sitype_strs[_MAX_SYSINFO_TYPE] = {
+ { SYSINFO_TYPE_1, "1" },
+ { SYSINFO_TYPE_2, "2" },
+ { SYSINFO_TYPE_3, "3" },
+ { SYSINFO_TYPE_4, "4" },
+ { SYSINFO_TYPE_5, "5" },
+ { SYSINFO_TYPE_6, "6" },
+ { SYSINFO_TYPE_7, "7" },
+ { SYSINFO_TYPE_8, "8" },
+ { SYSINFO_TYPE_9, "9" },
+ { SYSINFO_TYPE_10, "10" },
+ { SYSINFO_TYPE_13, "13" },
+ { SYSINFO_TYPE_16, "16" },
+ { SYSINFO_TYPE_17, "17" },
+ { SYSINFO_TYPE_18, "18" },
+ { SYSINFO_TYPE_19, "19" },
+ { SYSINFO_TYPE_20, "20" },
+ { SYSINFO_TYPE_2bis, "2bis" },
+ { SYSINFO_TYPE_2ter, "2ter" },
+ { SYSINFO_TYPE_2quater, "2quater" },
+ { SYSINFO_TYPE_5bis, "5bis" },
+ { SYSINFO_TYPE_5ter, "5ter" },
+ { 0, NULL }
+};
+
+uint8_t osmo_sitype2rsl(enum osmo_sysinfo_type si_type)
+{
+ return sitype2rsl[si_type];
+}
+
+enum osmo_sysinfo_type osmo_rsl2sitype(uint8_t rsl_si)
+{
+ return rsl2sitype[rsl_si];
+}
diff --git a/src/shared/libosmocore/src/socket.c b/src/shared/libosmocore/src/socket.c
index 66907c8c..901b8cdf 100644
--- a/src/shared/libosmocore/src/socket.c
+++ b/src/shared/libosmocore/src/socket.c
@@ -169,6 +169,8 @@ int osmo_sockaddr_is_local(struct sockaddr *addr, socklen_t addrlen)
}
for (ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) {
+ if (!ifa->ifa_addr)
+ continue;
if (sockaddr_equal(ifa->ifa_addr, addr, addrlen))
return 1;
}