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authorPablo Neira Ayuso <pablo@netfilter.org>2011-05-24 18:31:13 +0200
committerPablo Neira Ayuso <pablo@netfilter.org>2011-05-24 18:31:13 +0200
commit4761ba9d33a61cb654d45c0e9037b30a77e3f94a (patch)
tree5d54af51411669a40ce3f86ec5ca623f2408686a
parent3056d012d3d5da853535488619f12beeea59a6a4 (diff)
parent11c7193ad8ceb4f3898799dc44b700b8b93a59b8 (diff)
Merge branch 'master' of git.osmocom.org:libosmocore
-rw-r--r--configure.ac (renamed from configure.in)2
-rw-r--r--include/osmocom/gsm/Makefile.am3
-rw-r--r--include/osmocom/gsm/abis_nm.h7
-rw-r--r--include/osmocom/gsm/gsm_utils.h26
-rw-r--r--include/osmocom/gsm/protocol/gsm_04_08.h3
-rw-r--r--include/osmocom/gsm/sysinfo.h40
-rw-r--r--src/gsm/Makefile.am2
-rw-r--r--src/gsm/abis_nm.c50
-rw-r--r--src/gsm/sysinfo.c131
9 files changed, 245 insertions, 19 deletions
diff --git a/configure.in b/configure.ac
index 2e22bb24..b923a218 100644
--- a/configure.in
+++ b/configure.ac
@@ -24,7 +24,7 @@ AC_CHECK_HEADERS(execinfo.h sys/select.h sys/socket.h syslog.h ctype.h)
saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -fvisibility=hidden "
AC_MSG_CHECKING([if ${CC} supports -fvisibility=hidden])
-AC_COMPILE_IFELSE([char foo;],
+AC_COMPILE_IFELSE([AC_LANG_SOURCE([char foo;])],
[ AC_MSG_RESULT([yes])
SYMBOL_VISIBILITY="-fvisibility=hidden"],
AC_MSG_RESULT([no]))
diff --git a/include/osmocom/gsm/Makefile.am b/include/osmocom/gsm/Makefile.am
index c3670ec7..547933ec 100644
--- a/include/osmocom/gsm/Makefile.am
+++ b/include/osmocom/gsm/Makefile.am
@@ -1,5 +1,6 @@
osmogsm_HEADERS = a5.h comp128.h gsm0808.h gsm48_ie.h mncc.h rxlev_stat.h \
- gsm0480.h gsm48.h gsm_utils.h rsl.h tlv.h abis_nm.h
+ gsm0480.h gsm48.h gsm_utils.h rsl.h tlv.h abis_nm.h \
+ sysinfo.h
SUBDIRS = protocol
diff --git a/include/osmocom/gsm/abis_nm.h b/include/osmocom/gsm/abis_nm.h
index 04e4575d..dcc8d4bb 100644
--- a/include/osmocom/gsm/abis_nm.h
+++ b/include/osmocom/gsm/abis_nm.h
@@ -9,16 +9,19 @@ const enum abis_nm_msgtype abis_nm_no_ack_nack[3];
const enum abis_nm_msgtype abis_nm_sw_load_msgs[9];
const enum abis_nm_msgtype abis_nm_nacks[33];
+extern const struct value_string abis_nm_obj_class_names[];
+extern const struct value_string abis_nm_adm_state_names[];
+
const char *abis_nm_nack_cause_name(uint8_t cause);
const char *abis_nm_nack_name(uint8_t nack);
const char *abis_nm_event_type_name(uint8_t cause);
const char *abis_nm_severity_name(uint8_t cause);
const struct tlv_definition abis_nm_att_tlvdef;
-const char *abis_nm_obj_class_name(uint8_t oc);
const char *abis_nm_opstate_name(uint8_t os);
const char *abis_nm_avail_name(uint8_t avail);
const char *abis_nm_test_name(uint8_t test);
-const char *abis_nm_adm_name(uint8_t adm);
void abis_nm_debugp_foh(int ss, struct abis_om_fom_hdr *foh);
+int abis_nm_chcomb4pchan(enum gsm_phys_chan_config pchan);
+enum abis_nm_chan_comb abis_nm_pchan4chcomb(uint8_t chcomb);
#endif /* _OSMO_GSM_ABIS_NM_H */
diff --git a/include/osmocom/gsm/gsm_utils.h b/include/osmocom/gsm/gsm_utils.h
index 19adb70a..a0ef3c4f 100644
--- a/include/osmocom/gsm/gsm_utils.h
+++ b/include/osmocom/gsm/gsm_utils.h
@@ -114,4 +114,30 @@ int gprs_tlli_type(uint32_t tlli);
uint32_t gprs_tmsi2tlli(uint32_t p_tmsi, enum gprs_tlli_type type);
+/* Osmocom internal, not part of any gsm spec */
+enum gsm_phys_chan_config {
+ GSM_PCHAN_NONE,
+ GSM_PCHAN_CCCH,
+ GSM_PCHAN_CCCH_SDCCH4,
+ GSM_PCHAN_TCH_F,
+ GSM_PCHAN_TCH_H,
+ GSM_PCHAN_SDCCH8_SACCH8C,
+ GSM_PCHAN_PDCH, /* GPRS PDCH */
+ GSM_PCHAN_TCH_F_PDCH, /* TCH/F if used, PDCH otherwise */
+ GSM_PCHAN_UNKNOWN,
+ _GSM_PCHAN_MAX
+};
+
+/* Osmocom internal, not part of any gsm spec */
+enum gsm_chan_t {
+ GSM_LCHAN_NONE,
+ GSM_LCHAN_SDCCH,
+ GSM_LCHAN_TCH_F,
+ GSM_LCHAN_TCH_H,
+ GSM_LCHAN_UNKNOWN,
+ GSM_LCHAN_CCCH,
+ _GSM_LCHAN_MAX
+};
+
+
#endif
diff --git a/include/osmocom/gsm/protocol/gsm_04_08.h b/include/osmocom/gsm/protocol/gsm_04_08.h
index 3ad7dfdc..39470e78 100644
--- a/include/osmocom/gsm/protocol/gsm_04_08.h
+++ b/include/osmocom/gsm/protocol/gsm_04_08.h
@@ -1257,6 +1257,9 @@ struct gsm48_ra_id {
uint8_t rac; /* Routing Area Code */
} __attribute__ ((packed));
+#define GSM48_CELL_CHAN_DESC_SIZE 16
+#define GSM_MACBLOCK_LEN 23
+#define GSM_MACBLOCK_PADDING 0x2b
#endif /* PROTO_GSM_04_08_H */
diff --git a/include/osmocom/gsm/sysinfo.h b/include/osmocom/gsm/sysinfo.h
new file mode 100644
index 00000000..a66f3f19
--- /dev/null
+++ b/include/osmocom/gsm/sysinfo.h
@@ -0,0 +1,40 @@
+#ifndef _OSMO_GSM_SYSINFO_H
+#define _OSMO_GSM_SYSINFO_H
+
+#include <osmocom/gsm/protocol/gsm_04_08.h>
+
+enum osmo_sysinfo_type {
+ SYSINFO_TYPE_NONE,
+ SYSINFO_TYPE_1,
+ SYSINFO_TYPE_2,
+ SYSINFO_TYPE_3,
+ SYSINFO_TYPE_4,
+ SYSINFO_TYPE_5,
+ SYSINFO_TYPE_6,
+ SYSINFO_TYPE_7,
+ SYSINFO_TYPE_8,
+ SYSINFO_TYPE_9,
+ SYSINFO_TYPE_10,
+ SYSINFO_TYPE_13,
+ SYSINFO_TYPE_16,
+ SYSINFO_TYPE_17,
+ SYSINFO_TYPE_18,
+ SYSINFO_TYPE_19,
+ SYSINFO_TYPE_20,
+ SYSINFO_TYPE_2bis,
+ SYSINFO_TYPE_2ter,
+ SYSINFO_TYPE_2quater,
+ SYSINFO_TYPE_5bis,
+ SYSINFO_TYPE_5ter,
+ /* FIXME all the various bis and ter */
+ _MAX_SYSINFO_TYPE
+};
+
+typedef uint8_t sysinfo_buf_t[GSM_MACBLOCK_LEN];
+
+extern const struct value_string osmo_sitype_strs[_MAX_SYSINFO_TYPE];
+
+uint8_t gsm_sitype2rsl(enum osmo_sysinfo_type si_type);
+enum osmo_sysinfo_type osmo_rsl2sitype(uint8_t rsl_si);
+
+#endif /* _OSMO_GSM_SYSINFO_H */
diff --git a/src/gsm/Makefile.am b/src/gsm/Makefile.am
index 94f137e2..55b772f1 100644
--- a/src/gsm/Makefile.am
+++ b/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/gsm/abis_nm.c b/src/gsm/abis_nm.c
index acea4ed5..a82194fd 100644
--- a/src/gsm/abis_nm.c
+++ b/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>
@@ -308,7 +311,7 @@ const struct tlv_definition abis_nm_att_tlvdef = {
},
};
-static const struct value_string abis_nm_obj_class_names[] = {
+const struct value_string abis_nm_obj_class_names[] = {
{ NM_OC_SITE_MANAGER, "SITE-MANAGER" },
{ NM_OC_BTS, "BTS" },
{ NM_OC_RADIO_CARRIER, "RADIO-CARRIER" },
@@ -329,11 +332,6 @@ static const struct value_string abis_nm_obj_class_names[] = {
{ 0, NULL }
};
-const char *abis_nm_obj_class_name(uint8_t oc)
-{
- return get_value_string(abis_nm_obj_class_names, oc);
-}
-
const char *abis_nm_opstate_name(uint8_t os)
{
switch (os) {
@@ -384,7 +382,7 @@ const char *abis_nm_test_name(uint8_t test)
return get_value_string(test_names, test);
}
-static const struct value_string abis_nm_adm_state_names[] = {
+const struct value_string abis_nm_adm_state_names[] = {
{ NM_STATE_LOCKED, "Locked" },
{ NM_STATE_UNLOCKED, "Unlocked" },
{ NM_STATE_SHUTDOWN, "Shutdown" },
@@ -392,15 +390,39 @@ static const struct value_string abis_nm_adm_state_names[] = {
{ 0, NULL }
};
-const char *abis_nm_adm_name(uint8_t adm)
-{
- return get_value_string(abis_nm_adm_state_names, adm);
-}
-
void abis_nm_debugp_foh(int ss, struct abis_om_fom_hdr *foh)
{
DEBUGP(ss, "OC=%s(%02x) INST=(%02x,%02x,%02x) ",
- abis_nm_obj_class_name(foh->obj_class), foh->obj_class,
- foh->obj_inst.bts_nr, foh->obj_inst.trx_nr,
+ get_value_string(abis_nm_obj_class_names, foh->obj_class),
+ 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/gsm/sysinfo.c b/src/gsm/sysinfo.c
new file mode 100644
index 00000000..0dbff3ae
--- /dev/null
+++ b/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];
+}