| Commit message (Collapse) | Author | Age | Files | Lines |
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The tables permit code to determine the APDU class of an APDU
based on it APDU/TPDU header (CLA/INS/P1/P2/P3).
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Print string representation of Cause IE and PDU type instead of
numerical value.
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This reverts commit f451ce66eb8206bad1078849723edcb209632834.
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Signed-off-by: Vadim Yanitskiy <axilirator@gmail.com>
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Add structure representing group of EARFCNs with common priority,
threshold etc.
Add functions to populate this structure.
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Add function which adds specified number of bits from each element of
array to the bit vector prefixing each addition with one and finishing
entire sequence with adding 0. This is very common patter for various
repetitive data structures described with CSN.1 in 3GPP standards.
Corresponding test vectors and doxygen headers are added too.
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For 3G, I need a BCD composer/parser similar to gsm48_generate_lai()/
gsm48_decode_lai(). Those functions also handle a trivial extra
member (lac) which I don't need in this way for 3G.
So create new functions to take on the MCC+MNC BCD handling and call those
from gsm48_generate_lai() and gsm48_decode_lai(). In this way, the 3G code
in openbsc can use only the BCD functionality without code duplication.
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Various users of gsm48_hdr apply the same hardcoded shifts/bitmasks to obtain
the transaction ID encoded in the upper nibble of the protocol discriminator.
Centralize. Patch for openbsc.git will follow.
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[hfreyther: Separated from the previous patch to allow an easy
revert]
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Add inline functions for both release <= 98 and release >= 99 as well as a
default define. Use the release 98 by default since the current code base uses
the r98 bitmasks.
These inline functions relieve callers of the decision on masking bits of the
protocol discriminator and message type octets.
Also add a define for the protocol discriminator extension to one octet length
(GSM48_PDISC_EXTEND).
Apply new pdisc function in gsm0480.c.
[hfreyther: Make the hdr param const]
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Add basic data structure for System information Type 2quater.
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they return an osim_file_desc, and not an osim_file, so fix the naming
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We don't always want to look-up by name, but the latter is the only
implemented 'find' function so far. Let's change that.
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If a vty_additions.xml file contained a <description> element inside a
command> element, then the description was copied twice (once during the
<node> copy, and once during the <command> copy). Let's avoid one of
the two copies.
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This way libosmo-abis, libosmo-sccp, openggsn, openbsc does not
need to install it.
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The variable is not used anymore as the decision is done in the
newly added check_log_to_target method.
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There doesn't seem to be a reason not to check the filter. Update
and extend the test. Currently the filter function will be called
once for the log check and once for the output of it.
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Extract the mapping of the subsystem number and the checking for
the loglevel to a inline method that is shared between the new
and old.
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This commit adds OSMO_ASSERTs for mandatory conditions related to
log_check_level, and fprintfs for optional conditions, since it is
always safe for log_check_level to return != 0.
Sponsored-by: On-Waves ehf
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Currently the LOGP/DEBUGP arguments are always evaluated even if
no logging will happen at all. This can be expensive, for instance
if hexdumps or pretty printed object names are generated. This causes
high base load especially on embedded devices and is a major part of
CPU usage e.g. of the osmo-pcu.
This commit uses the log_check_level function to avoid the evaluation
of the parameters if it is known in advance, that no logging entry
will be generated.
Sponsored-by: On-Waves ehf
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This commit adds this predicate function which can be used to
avoid the execution of code if a certain log level is not enabled.
The function will only return 0 (false), if it is sure that a logging
call for the same facility and level will not produce any output.
This safety criterion shall ensure, that no logging output is lost
due to the use of this predicate as a guard. On the other hand, even
if the predicate returns != 0 (true), no logging output might get
generated by a similar logging command.
Note that the current implementation is not focussed on performance,
which could be improved by using a lookup table instead of iterating
through every target.
Sponsored-by: On-Waves ehf
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It's sometimes handy for debugging to be able to immediately see which
bits are set in a given byte. Generalize macro used for that in bitvec
tests and make it available for the rest of the library.
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This may seem like overkill for a mere const char * config item, but it makes
the Control interface VTY commands reusable in any main() scope (inspired by
libosmo-abis' VTY config).
Add API functions ctrl_vty_init() and ctrl_vty_get_bind_addr(), in new files
src/ctrl/control_vty.c and include/osmocom/ctrl/control_vty.h, compiled and/or
installed dependent on ENABLE_VTY.
Using these functions allows configuring a static const char* with the VTY
commands
ctrl
bind A.B.C.D
which callers shall subsequently use to bind the Control interface to a
specific local interface address, by passing the return value of
ctrl_vty_get_bind_addr() to control_interface_setup().
Add CTRL_NODE to enum node_type, "eating" RESERVED4_NODE to heed that comment
on avoiding ABI changes.
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Make the ctrl interface bind address configurable, so that it may be made
available on other addresses than 127.0.0.1. The specific aim is to allow
running multiple osmo-nitbs alongside each other (commits in openbsc follow).
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Add VTY command
line vty
bind A.B.C.D
The command merely stores the configured IP-address, which can then be used by
the calling main program to set the telnet port of the VTY line. (Commits in
openbsc and osmo-iuh will follow up on this.)
Add function vty_get_bind_addr() to publish the address in the vty.h API.
Add static vty_bind_addr to store.
For allocation/freeing reasons, a NULL address defaults to 127.0.0.1.
BTW, I decided against allowing keywords 'any' and 'localhost' in place of an
actual IP address to make sure a written config is always identical to the
parsed config.
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Previously the presence of header and data blocks were communicated
in-band which decreases code readability and makes it unnecessary hard
to add support for new hardware.
Note: OsmoBTS have to be modified to take advantage of extended
ph_data_param structure.
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This function originates from openbsc/src/gprs but is just specific
to BSSGP/Gb on the same level like bssgp_msgb_alloc.
This commit puts the former gprs_msgb_copy function beside
bssgp_msgb_alloc.
Renamed function:
gprs_msgb_copy -> bssgp_msgb_copy
Sponsored-by: On-Waves ehf
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int << 31 does not seem to be defined, let's try to make it an
unsigned variable and see if that is pleasing the system.
Fixes:
bitvec.c:219:15: runtime error: left shift of 1 by 31 places cannot be represented in type 'int'
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Add bit map encoder and decoder functions: decoder is fully functional
while encoder is good enough for testing - no backtracking to find
the best possible compression is implemented. If somebody is willing to
implement MS side of EDGE than this has to be expanded.
Add corresponding tests.
N. B: the encoding is implemented according to ETSI TS 44.060 which is
slightly different from T4 used for fax according to CCITT G31D (RFC 804).
Ticket: OW#2407
Sponsored-by: On-Waves ehf
Signed-off-by: Max <msuraev@sysmocom.de>
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Add bit filling, shifting and other functions necessary for bit
compression implementation. Add corresponding tests.
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osmo_hexdump_nospc/osmo_hexdump is an old school C routine with a
static internal array. This means that printf will most likely one
of the two strings twice. For Linux/glibc this is the first string
(for whatever reason?) and for FreeBSD it is the last call of the
osmo_hexdump_nospc. We could have noticed by both strings being
of the same length besides the different length input. The second
issue is that we cast a hexstring to uint8_t and dump the string
as hex. So the two strings should not match at all.
Fix it by printing the hex string as plain hex and separating the
two printf calls. Update the test output.
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bitvec_read_field/bitvec_write_field in the PCU used a C++ reference
and when porting to C it was decided to pass the parameter by value
and this lost the "back propagation" of the new index. Change the
parameter to be an in/out parameter and this way do not have a silent
semantic break in the osmo-pcu (where we copy the reference in csn.1
by value) and have a true compile failure.
Add Max's simple test for bitvec_unhex function leaving the checking
of bitvec_read_field and the side effect in the datastructure about
the number of bits still open.
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bitvec.c: In function 'bitvec_unhex':
bitvec.c:389: error: 'for' loop initial declarations are only allowed in C99 mode
bitvec.c:389: note: use option -std=c99 or -std=gnu99 to compile your code
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Allocation, pack/unpack, field access and helper routines used
extensively by Osmo-PCU. Whenever memory allocation happens, alocator
context is passed explicitly by caller.
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Use %td to print ptrdiff_t use %zu to print size_t,
include time.h on FreeBSD. Some more compiler warnings are
left but they require more thinking.
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Include the headers mentioned by the manpage
ipa.c:346:9: warning: implicit declaration of function 'recv' is invalid in C99
[-Wimplicit-function-declaration]
ret = recv(fd, msg->tail, needed, 0);
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'\0' gets translated to zero but the argument to vector_set is
a pointer and it gets converted to a pointer.
vty.c:985:21: warning: expression which evaluates to zero treated as a null pointer constant of type
'void *' [-Wnon-literal-null-conversion]
vector_set(vline, '\0');
^~~~
vty.c:1095:21: warning: expression which evaluates to zero treated as a null pointer constant of type
'void *' [-Wnon-literal-null-conversion]
vector_set(vline, '\0');
^~~~
vty.c:1097:21: warning: expression which evaluates to zero treated as a null pointer constant of type
'void *' [-Wnon-literal-null-conversion]
vector_set(vline, '\0');
^~~~
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Use unsigned int for the length throughout the interface. We will
never have a a negative length.
Sponsored-by: On-Waves ehf
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The undefined behavior sanitizer found the 32bit load from an
unaligned memory address. This will cause an exception on ARMv5te
and a manual fix-up.
[hfreyther: On armv6, x86 the usage of memcpy leads to shorter
amount of instructions but on armv5te the memcpy is not expanded
leading to a branch. Use the version of max until we have the time
to benchmark it]
Sponsored-by: On-Waves ehf
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