| Commit message (Collapse) | Author | Age | Files | Lines |
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Change-Id: I61d4f7dfada2763948f330745ac886405d889a12
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osmo-bsc and osmo-msc implement identical Classmark structures. It makes sense
to define once near the gsm48 protocol definitions.
Also move along some generic Classmark API from osmo-msc.
Change-Id: Ifd27bab0380f7ad0c44c719aa6c8bd62cf7b034c
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Add osmo_hexdump_buf() as an all-purpose hexdump function, which all other
osmo_hexdump_*() implementations now call. It absorbs the static
_osmo_hexdump(). Add tests for osmo_hexdump_buf().
Rationale: recently during patch review, a situation came up where two hexdumps
in a single printf would have been useful. Now I've faced a similar situation
again, in ongoing development. So I decided it is time to provide this API.
The traditional osmo_hexdump() API returns a non-const char*, which should
probably have been a const instead. Particularly this new function may return a
string constant "" if the buf is NULL or empty, so return const char*. That is
why the older implementations calling osmo_hexdump_buf() separately return the
buffer instead of the const return value directly.
Change-Id: I590595567b218b24e53c9eb1fd8736c0324d371d
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Add
* osmo_lai_cmp() (to use in gsm0808_cell_id_u_matches())
* osmo_cgi_cmp() (to use in gsm0808_cell_id_u_matches())
* gsm0808_cell_id_u_match() (to re-use for single IDs and lists)
* gsm0808_cell_ids_match()
* gsm0808_cell_id_matches_list()
* Unit tests in gsm0808_test.c
Rationale:
For inter-BSC handover, it is interesting to find matches between *differing*
Cell Identity kinds. For example, if a cell as CGI 23-42-3-5, and a HO for
LAC-CI 3-5 should be handled, we need to see the match.
This is most interesting for osmo-msc, i.e. to direct the BSSMAP Handover
Request towards the correct BSC or MSC.
It is also interesting for osmo-bsc's VTY interface, to be able to manage
cells' neighbors and to trigger manual handovers by various Cell Identity
handles, as the user would expect them.
Change-Id: I5535f0d149c2173294538df75764dd181b023312
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The longest BCd-digit type identity is the IMEISV with 16, so there's
no point in trying to parse up to 255 decimal digits, which will do
nothing but to overflow the caller-provided output buffer.
Let's also clearly define the required minimum size of the output
buffer and add a reltead #define for it.
Change-Id: Ic8488bc7f77dc9182e372741b88f0f06100dddc9
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Add new define for the 14 digit IMEI without the Luhn checksum, as it
is used in OsmoHLR.
Change-Id: I02b54cf01a674a1911c5c897fbec02240f88b521
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This resolves an issue introduced in 84fb5bb6a09a6a358f98c654c84c3b99a0f24eef
when msgb_wrap_with_TL() was introduced as an inline function with
*exactly the same name* as in osmo-msc.git and openbsc.git. We *NEVER*
do something like this. Functions moved from applications to library
*MUST* always be renamed. This has been the case for almost a decade
now.
With this subsequent change we make sure the libosmocore function
has a different name and doesn't clash. After this commit, old
openbsc.git and osmo-bsc.git should again build fine.
Change-Id: If1e851ac605c8d2fde3da565b0bd674ea6350c2e
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They only make sense in the context of LCLS so far - let's make sure
they're not used by external projects directly instead of gsm0808_*()
counterparts.
Change-Id: I4ae5a3472a20492d5f76170b722e4e2274a5c433
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Most of the time we'll have GCR filled anyway so it make sense to have
it as static parameter instead of a pointer to separately allocated
structure. Update tests to cover both static and dynamic osmo_lcls
allocation variants.
Change-Id: I905c36d8455911c68c30bc429379b7313dd46aea
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* add gsm0808_create_ass_compl2() with additional gsm0808_lcls_status
parameter and make gsm0808_create_ass_compl() into trivial wrapper
around it
* update tests accordingly
Change-Id: I547c6b8707123aa8c1ef636db88908df112d90a4
Related: OS#2487
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The function osmo_sock_get_name_buf() can be used to write a string
representation to a user provided memory. Unfortunately the proper
length for the user provided memory is not obvious. To make using
osmo_sock_get_name_buf() more practical, add a define constant that
defines the length of the required memory. Also use this define in
socket.c.
Change-Id: If8be8c2c0d4935da17ab13b2c2127b719ceefbcc
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Change-Id: I9e3b5560a058b976638d03cb819415d237ae9984
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Change-Id: I3ab94f362866d752099000afe62922288b3dd118
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Prepare handling multiple CM Service Requests in osmo-msc: an enum is more
clear than an int and #defines for passing around and count CM Service types.
Change-Id: I9c2a7adc45ab7a1a7519168e965e7d805e1481ff
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Verify 14 digit and 15 digit IMEI strings. OsmoHLR will use the 14
digit version to check IMEIs before writing them to the DB.
Place the Luhn checksum code in a dedicated osmo_luhn() function, so
it can be used elsewhere.
Related: OS#2541
Change-Id: Id2d2a3a93b033bafc74c62e15297034bf4aafe61
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As part of fixing issue OS#3075, we want to migrate support
for encoding system information from osmo-bsc to libosmocore.
This change ports osmo-bsc code for encoding SI rest octets.
The conversion was a bit tricky in some places because some
functions receive a 'struct gsm_bts' parameter in osmo-bsc.
In this libosmocore version, such functions expect parameters
which correspond to the individual fields of 'struct gsm_bts'
which are used by these functions.
Several structs from osmo-bsc's system_information.h are now
also declared in libosmocore headers, with an added osmo_ prefix
to avoid collisions with existing definitions in osmo-bsc.
Some helpers were ported from osmo-bsc's system_information.c
to libosmocore's gsm48_rest_octets.c. Contrary to osmo-bsc's
implementation they are now only visible within this file.
Unfortunately, this code ported from osmo-bsc lacks unit tests.
Change-Id: I47888965ab11bba1186c21987f1365c9270abeab
Related: OS#3075
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As part of fixing issue OS#3075, we want to migrate support
for encoding system information from osmo-bsc to libosmocore.
This change ports one of the prerequisites for doing so:
osmo-bsc code for range-encoding ARFCNs, including tests.
An osmo_gsm48_ prefix has been prepended to public symbols in
order to avoid clashes with existing symbols in osmo-bsc code.
Change-Id: Ia220764fba451be5e975ae7c5eefb1a25ac2bf2c
Related: OS#3075
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Change-Id: I0f47a610e06ac99bd60a5aad6f50f3658480165e
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Note that OSMO_GSUP_IMEI_RESULT_ACK is 0 on the wire, although the
enum value is 1. Same with NACK (1 on wire, enum 2).
I had implemented enum osmo_gsup_imei_result after
enum osmo_gsup_cancel_type above, where this comment exists as well,
and I incorrectly assumed that enum osmo_gsup_cn_domain in the middle
was also implemented this way and therefore adding the comments to each
enum would be redundant. But for cn_domain, the values on the wire are
the same as the enum values.
Change-Id: If97c34f117bfaab2232bbb625e9d118c8f390e58
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Move lupd_names[] from osmo-msc to libosmo-gsm.
Change-Id: Ica25919758ef6cba8348da199b0ae7e0ba628798
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We have gsm48_mi_to_string() and osmo_bcd2str(), but still lack a function that
conveniently prints both MI type and value in one function call.
Related: http://people.osmocom.org/neels/mi_mi_mi.jpg
Change-Id: I7798c3ef983c2e333b2b9cbffef6f366f370bd81
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Previously it could encode both incorrect values as well as incorrect
message. Let's fix this by explicitly checking for invalid values and
ensuring that at least one of the parameters is valid.
This function have no external or internal users so it's better to fix
type signature as well to match the rest of gsm0808_create_lcls_*().
Change-Id: I7b33a771acbd391c5f9a494d6450edb18511433f
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Keep #defines to still support previous wrong spelling.
Change-Id: Id4cf812f0bc3cd40f6bfa05166f817a07a647f71
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osmo-msc is about to implement the SGs interface and requires a RAT indicator
for that.
Change-Id: I00588396bfe03feba38ecb0717d584594f0b2b46
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In the MSC, we have RAN types GERAN_A and UTRAN_IU, now we need a similar enum
in osmo-hlr's GSUP client.
Naming: in the MAP specifications, the RAN type is mostly called RAT type,
(Radio Access Network vs. Radio Access Technology?). Since GSUP is more about
MAP messages, I'm calling the enum osmo_rat_type.
Rationale: osmo-msc and osmo-sgsn want to tell the osmo-hlr which RAT a
subscriber is calling on. A subsequent patch will extend the GSUP protocol and
add a RAT types IE.
Change-Id: I659687aef7a4d67ca372a39fef31dee07aed7631
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Using an FSM instace's logging context is very useful. Sometimes it makes sense
to log something on a different logging category than the FSM definition's
default category.
For example, an MSC conn has aspects concerning MM, CC, RR, MGCP, ..., and
currently all of those log on DMM.
This came up in I358cfbaf0f44f25148e8b9bafcb9257b1952b35a, where I want to log
an MGCP event using a ran_conn context, and used the conn->fi->id. That of
course omits context like the current conn FSM state...
I remember at least one other place where I recently added logging using some
fi->id as context, so it might turn out useful in various places.
Change-Id: I11b182a03f5ecb6df7cd8f260757d3626c8e945d
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The LOGPFSM macros are in such wide use that they should guard against a NULL
fi pointer. In case of NULL, default to subsys = DLGLOBAL, loglevel =
LOGL_ERROR and state = "fi=NULL".
Change-Id: I9eaf8b7e2cf1e450ae626cb2fc928862008f6233
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Change-Id: I3bf6500889aa58195f50a726dec0876c0c2baec3
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In 3GPP TS 48.008 the Global Call Reference IE is only used in HANDOVER
REQUEST (§3.2.1.8) and ASSIGNMENT REQUEST (§3.2.1.1) messages which
also include LCLS Config and CSC parameters. Hence, there's no point in
using GCR encode/decode functions alone.
Introduce gsm0808_dec_lcls() and gsm0808_enc_lcls() as trivial wrappers
on top of GCR enc/dec routines which are made static. Adjust tests
accordingly. Test output intentionally left unchanged.
Change-Id: Icfbb2404e1a1d500243e2071173299b557369335
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Instead of duplicating the fmt and args in LOGPFSML and LOGPFSMLSRC, rather
make LOGPFSML invoke LOGPFSMLSRC with __FILE__ and __LINE__.
This is a cosmetic preparation for more tweaks coming up.
Change-Id: I2f23c57ebfdb5355919c06ac5ded7732e3b17a97
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Extend the vty_bind_cmd VTY command to allow to optionally specify
a port in addition to the IPv4 address.
Introduce telnet_init_default to relieve client code from having
to query the bind IPv4 address (and now the TCP port). Instead a
client only needs to pass the default TCP port to use.
Client code should use it like:
int rc = telnet_init_default(ctx, priv, OSMO_VTY_PORT_SGSN);
Change-Id: Id5fb2faaf4311bd7284ee870526a6f87b7e260f3
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Implement necessary messages for Procedure Check_IMEI_VLR (TS 23.018
Chapter 7.1.2.9). This lets the VLR ask the EIR to check if an IMEI
is valid. In the Osmocom stack, we don't have an EIR and this request
will be handled by the HLR. We will be able to store the IMEI in the
HLR as side-effect (OS#2541).
This is roughly based on TS 29.002 8.7.1 MAP_CHECK_IMEI service, but
only implements the bare minimum required IEs (imei and imei_result).
Related: OS#3733
Change-Id: I085819df0ea7f3bfeb0cabebb5fd1942a23c6155
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Simplify gsup_test.c by defining an end marker in gsup.h. No need to
manually update the last element every time anymore.
The C standard guarantees, that the end marker will have the last value
plus one: "Each subsequent enumerator with no = defines its enumeration
constant as the value of the constant expression obtained by adding 1 to
the value of the previous enumeration constant." (From C99: 6.7.2.2
Enumeration specifiers)
Change-Id: I2aab7245e209f0ebd2f33a83d4d181dd3339cb17
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Similar to existing 16 and 32 bit value helpers but simpler because we
don't have to worry about alingment and endianness.
Change-Id: Ic0a148bd04b8860e321f509fdcd913f688c8e920
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Change-Id: I8aa79cab7505585de00ee2aaae125462108906e8
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Add corresponding spec. references and comments where appropriate.
Change-Id: If5e2aad86eaecd8eada667b3488ba415d81c6312
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The name "LAI AND LAC" makes no sense because a LAC
is part of a LAI. Keep the old name available for
API backwards compatibility.
Change-Id: I2749cf75b7b45de0cd43cf4c696a6b6984f5a065
Related: OS#3124
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This is 1:1 the result of doing
cd libosmocore
./contrib/struct_endianess.py
git commit -a
Running struct_endianess.py again should result in no changes.
That means we could include such a check in the gerrit verification job now.
Change-Id: Ia0b99d76932aeb03e93bd0c62d3bf025dec5f9d2
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Basically, I am applying code review that I would have given had I not been on
vacation when the last osmo_sock_get_name* stuff was merged.
osmo_sock_get_name2() is so far a static internal function. However, it is
nothing like osmo_sock_get_name(), so instead rename it to
osmo_sock_get_ip_and_port(). Also make it public API, no need to hide it. I'm
adding an "and" in the name to hopefully clarify: "ip_port" vs. "ip_and_port"
-- there already are _get_X_ip_port() functions that only return the port
string, despite "ip" in the name.
Add new public osmo_sock_get_name2(), which is like osmo_sock_get_name(),
except it uses a static string instead of talloc, and omits the braces. This
is most convenient for log statement formats, avoiding dyn allocations.
Add new osmo_sock_get_name_buf(), which is like osmo_sock_get_name2() but
writes to a caller provided char buffer.
Use osmo_sock_get_name_buf() in the implementation of osmo_sock_get_name(),
but use another (non-static) local string buffer, because adding braces is too
complex without talloc_snprintf().
Rationale:
I want to improve the logging of socket errors, e.g. change
DLMGCP ERROR Failed to read: 111/Connection refused (mgcp_client.c:720)
to
DLMGCP ERROR Failed to read: r=10.0.99.2:2427<->l=10.0.99.2:2728: 111='Connection refused' (mgcp_client.c:721)
but it is just not handy to compose logging with the current API:
- osmo_sock_get_name() requires a talloc_free().
- all the others require output buffers.
- the only way to conveniently compose a logging string and,
- notably, the only trivial way to skip the string composition if the logging
level is currently muted, is to have a function that returns a static string:
the new osmo_sock_get_name2().
- (I think the osmo_sock_get_{local,remote}_* convenience wrappers should never
have been added, because they encourage the caller to invoke the same code
twice, for IP addr and port, and throw away one half each time.)
Related: Iae728192f499330d16836d9435648f6b8ed213b6 (osmo-mgw)
Change-Id: I8ad89ac447c9c582742e70d082072bdd40a5a398
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According to 3GPP TS 29.002, section 12.4, MAP-READY-FOR-SM is
used between the MSC and VLR as well as between the VLR and the
HLR to indicate that a subscriber has memory available for SMS.
This change replicates this service in GSUP as READY_FOR_SM_*.
The only mandatory IE for this service (excluding Invoke ID) is
'Alert Reason' that is replicated by OSMO_GSUP_SM_ALERT_RSN_IE.
Change-Id: Ic37f3b2114b8095cfce22977e67133b9103942e3
Related Change-Id: (docs) I549b6c8840a1e86caac09e77fb8bc5042d939e62
Related Change-Id: (TTCN) If2256607527ecfcb10285583332fb8b0515d7c78
Related: OS#3587
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According to 3GPP TS 29.002, there are two services:
- MAP-MO-FORWARD-SHORT-MESSAGE (see 12.2),
- MAP-MT-FORWARD-SHORT-MESSAGE (see 12.9),
which are used to forward MO/MT short messages.
This change replicates both services as GSUP messages:
- OSMO_GSUP_MSGT_MO_FORWARD_SM_*,
- OSMO_GSUP_MSGT_MT_FORWARD_SM_*.
Please note, that only the 'must-have' IEs are introduced
by this change, in particular the following:
- OSMO_GSUP_SM_RP_MR_IE (see note below),
- OSMO_GSUP_SM_RP_DA_IE (see 7.6.8.1),
- OSMO_GSUP_SM_RP_OA_IE (see 7.6.8.2),
- OSMO_GSUP_SM_RP_UI_IE (see 7.6.8.4),
- OSMO_GSUP_SM_RP_MMS_IE (see 7.6.8.7),
- OSMO_GSUP_SM_RP_CAUSE_IE (see GSM TS 04.11, 8.2.5.4),
where both SM_RP_DA and SM_RP_OA IEs basically contain
a single nested TV of the following format:
- T: identity type (see 'osmo_gsup_sms_sm_rp_oda_t'),
- V: encoded identity itself (optional).
According to GSM TS 04.11, every single message on the SM-RL has
an unique message reference (see 8.2.3), that is used to link
an RP-ACK or RP-ERROR message to the associated (preceding)
RP-DATA or RP-SMMA message transfer attempt.
In case of TCAP/MAP, this message reference is being mapped to the
Invoke ID. But since GSUP has no 'Invoke ID' IE, and it is not
required for other applications (other than SMS), this change
introduces a special 'SM_RP_MR' IE that doesn't exist in MAP.
Change-Id: Ibe325c64ae2d6c626b232533bb4cbc65fc2b5d71
Related Change-Id: (docs) Ie0150756c33c1352bc4eb49421824542c711175c
Related Change-Id: (TTCN) Ibf49474a81235096c032ea21f217170f523bd94e
Related: OS#3587
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It allows setting additional assignment parameters explicitly.
Change-Id: Id89765df3f8c12f55f73f1d7a9d90c8883eb3bba
Related: OS#2487
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* add functions to encode Global Call. Ref. from TS 29.205 as 3GPP TS
48.008 §3.2.2.115 information element
* add corresponding tests
Change-Id: I82ce0207dc8de50689a8806c6471ad7fbae6219d
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Add functions to encode and decode Global Call Reference as per
3GPP TS 29.205 Table B 2.1.9.1 add corresponding tests.
Change-Id: Iee95aa4e5c056645b6cb5667e4a067097d52dfbf
Related: OS#2487
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Otherwise struct osmo_stats_config is not defined and compiler fails.
Related: OS#3722
Change-Id: I037c3ca141ecee2d457e0a881a56e32ee24cec4d
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It's often handy to compare certain msgb layer to a given array and
print the position where they differ. Add simple pretty-printer and
corresponding L* wrappers.
Change-Id: I3bc95f2f5ab6e3f4b502647fb3e0aaaf1f7c4cf5
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Add a standalone bcd-to-string conversion function with generic parameters.
Add a regression test in utils_test.c.
So far there is no single universal implementation that converts a BCD to a
string. I could only find gsm48_mi_to_string(), which also interprets
surrounding bytes, MI type and TMSI as non-BCD value.
The idea is to use this function from gsm48_mi_to_string() and similar
implementations in subsequent commits.
Root cause: in osmo-msc, I want to have an alternative MI-to-string function
for composing an FSM name, which needs the BCD part of gsm48_mi_to_string() but
not the TMSI part.
Change-Id: I86b09d37ceef33331c1a56046a5443127d6c6be0
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Counting list entires should not alter the list content: let's make this
obvious from type signature.
Change-Id: I414e67a3de733fab407161b3264d3b89070ba537
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Related: OS#3722
Change-Id: If466a64bd44dcb8ae8a9b7f82bc9c9435ba3e640
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