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* core/conv: Add some generic code for convolutional coding/decodingSylvain Munaut2011-04-262-1/+102
| | | | | | | | | | | | | | | Far from perfect but suits our need thus far. The viterbi with softbit input is quite cpu-intensive. Since most received bursts are often mostly error free, you could use a less cpu intensive algorithm (Fano ?) and with hard bit input. Then only switch to viterbi soft bit input if the channel is bad enough to justify it. Soft output is not implemented as its usefulness for the block coding is limited. Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
* gsm/a5: Add a A5 1&2 implementationSylvain Munaut2011-04-262-1/+50
| | | | | | It's always useful to have around Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
* include: fix missing extern in osmo_panic* declarationsPablo Neira Ayuso2011-04-261-2/+2
| | | | This patch adds the missing extern to osmo_panic* declarations.
* stats: Fix the compiler warningsHolger Hans Peter Freyther2011-04-181-1/+1
| | | | Do not remove the const, include strings.h for strcmp
* Add a function to search for a counter by nameDaniel Willmann2011-04-091-0/+2
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* Add functions to search for rate counters by nameDaniel Willmann2011-04-091-0/+2
| | | | * rate_ctr_get_group_by_name_idx, rate_ctr_get_by_name
* utils: move OSMO_SNPRINT_RET() macro definition to osmocom/core/utils.hPablo Neira Ayuso2011-03-281-0/+9
| | | | | This is used by the logging to vty conversion functions by now, but it may be of help for other functions that plan to use snprintf().
* vty: move vty_out_rate_ctr_group prototype to osmocom/vty/misc.hPablo Neira Ayuso2011-03-283-4/+11
| | | | Before this patch, it was in osmocom/core/rate_ctr.h
* write_queue: use full path of includes in osmocom/core/write_queue.hPablo Neira Ayuso2011-03-281-2/+2
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* bitvec: add bitvec_find_first_bit_pos() from gsm/rxlev_stat.cPablo Neira Ayuso2011-03-281-0/+2
| | | | | This patch adds bitvec_find_bit_pos() to bitvec.c where it really belongs to. Before this patch used to be part of gsm/rxlev_stat.c
* core/bits: Make sbit_t a signed type (so that the math works)Sylvain Munaut2011-03-271-1/+1
| | | | Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
* include: reorganize headers file to include/osmocom/[gsm|core]Pablo Neira Ayuso2011-03-2348-47/+51
| | | | | | | | | | | | This patch moves all GSM-specific definitions to include/osmocom/gsm. Moreover, the headers in include/osmocore/ have been moved to include/osmocom/core. This has been proposed by Harald Welte and Sylvain Munaunt. Tested with `make distcheck'. Signed-off-by: Pablo Neira Ayuso <pablo@gnumonks.org>
* This patch moves the GSM-specific functions to the new libraryPablo Neira Ayuso2011-03-233-2/+8
| | | | | | | | | | libosmogsm which is provided by libosmocore. I have also moved generate_backtrace() to backtrace.c instead of gsm_utils.c, otherwise the timer and msgfile tests depend on libosmogsm. Signed-off-by: Pablo Neira Ayuso <pablo@gnumonks.org>
* vty: integration with logging frameworkPablo Neira Ayuso2011-03-192-5/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The logging categories are registered by the applications, like osmo-nitb, during startup. Thus, the VTY have to provide the logging commands according to the logging categories that the application has registered. Before this patch, the VTY contained the logging categories hardcoded. Thus, any change in the logging categories by the application would not be shown by the VTY. So far, this was not a problem because all applications used the same logging categories. However, according to what Harald told me, this may be a problem in the future. This patch resolve the lack of integration between the logging framework and the VTY by generating the VTY logging commands from the logging categories registered. Since this patch changes one function of the libosmocore API, it follows another patch for the openbsc application to get in sync with the new function layout. I have reworked and renamed the functions: * log_vty_category_string() * log_vty_level_string() to provide the new ones that generate the exact output that VTY requires. This patch does not release the memory allocated by talloc_zero_size() to store the VTY strings for the commands and the description. I found no exit function that can clean up resources that were allocated.
* TLV: Add tv_fixed_put() and msgb_tv_fixed_put()Harald Welte2011-03-051-0/+15
| | | | This is for a Tag-Value type with fixed-length value (len > 1)
* LOGGING: remove duplicated code between vty-logging and cfg-loggingHarald Welte2011-02-181-0/+2
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* LOGGING: configure logging from the vtyHarald Welte2011-02-183-0/+17
| | | | | We can now configure logging to (multiple) files, stderr and syslog from the vty command line in a persistent way (config file)
* LOGGING: Add syslog log targetHarald Welte2011-02-171-0/+2
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* LOGGING: Pass the log level down to the log target output functionHarald Welte2011-02-171-1/+2
| | | | This will be required for mapping osmocore log levels to syslog priorities.
* [utils] introduce ubit_dump to dump buffers of unpacked bitsHarald Welte2011-02-081-1/+1
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* [utils] add 'bitdump' function for bitfieldsHarald Welte2011-02-081-0/+1
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* gsmtap: The TETRA_AACH was defined twice, remove one, renumberHolger Hans Peter Freyther2011-01-281-7/+6
| | | | | | The GSMTAP_TETRA_AACH was defined twice. On the tetra list we decided to remove the second entry and renumber the list as no one is using this yet.
* ubit2pbit flushes at the wrong moment, added one note to bits.hChristian Vogel2011-01-221-0/+6
| | | | | | (e.g. input2[] test sequence from testra/crc_test decodes incorrectly to packed bits: 90 b0 3e 80 03 87 53 bd 6f 08, this patch fixes it)
* bits: Add extended options version of pbit2ubit and ubit2pbitSylvain Munaut2011-01-211-0/+12
| | | | Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
* [BITS] introduce new packed/unpacked bit conversion routinesHarald Welte2011-01-192-1/+28
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* [gsmtap] extend GSMTAP for TETRAHarald Welte2011-01-191-0/+13
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* gsmtap.h: Add some more commentsHarald Welte2011-01-181-0/+4
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* msgb: Make sure at compile time that headroom is smaller than sizeHolger Hans Peter Freyther2011-01-161-0/+3
| | | | | | | All current code is using constants to allocate the msgb with headroom. Use a static_assert to make sure that the headroom is smaller than the size. This makes API misusage unlikely to happen.
* misc: Move the static_assert from logging to the utilsHolger Hans Peter Freyther2011-01-162-1/+2
| | | | | | This is just an ordinary macro, no specific reason to have it in logging.h. This was compile tested with code from our osmo family.
* gsm 03.41: fix GSM341_MSG_CODE macro argumentAlex Badea2011-01-151-1/+1
| | | | | | | | One usage of the "ms" argument is typoed as "msg". Fix it to prevent subtle future failures. Also paranthesize the macro argument for good measure. Signed-off-by: Alex Badea <vamposdecampos@gmail.com>
* smscb: Add definition of a warning messageHolger Hans Peter Freyther2010-12-291-0/+15
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* smscb: Mention 23.041 and fix the size of the update numberHolger Hans Peter Freyther2010-12-291-3/+3
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* smscb: Add some simple decoding routines for SMSCB.Holger Hans Peter Freyther2010-12-291-0/+2
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* protocol: introduce gsm_03_41.hAlex Badea2010-11-282-2/+38
| | | | | | This currently contains definitions for the BTS->MS SMSCB message. Signed-off-by: Alex Badea <vamposdecampos@gmail.com>
* gsm_08_58: add struct and constants for RSL_IE_CB_CMD_TYPEAlex Badea2010-11-281-0/+21
| | | | Signed-off-by: Alex Badea <vamposdecampos@gmail.com>
* gsm_04_12: fix 04.13 typosAlex Badea2010-11-281-2/+2
| | | | | | | There are two occurrences of "413" in the 04.12 header file. These are probably typos; correct them to "412". Signed-off-by: Alex Badea <vamposdecampos@gmail.com>
* gsmtap.h: Add GSMTAP_TYPE_SIMHarald Welte2010-11-181-0/+1
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* Move the generate backtrace call from MSGB_ABORT to osmo_panic handlerSylvain Munaut2010-11-131-2/+0
| | | | | | | | | | | | This has two benefits: - All people calling osmo_panic() will have the backtrace - It makes the thing build in 'target' mode in osmocom-bb And one downside: - The osmo_panic handler is now in the backtrace (I can live with that :) Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
* panic: Fix type warning - osmo_panic_handler_t is already a pointer ...Sylvain Munaut2010-11-131-1/+1
| | | | Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
* gsm_utils: Define 4 upper bits as "flags" and mask them out in utility functionsSylvain Munaut2010-11-131-0/+1
| | | | | | This way those function don't care about the flags they don't know about Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
* msgb: fix printing of msgb pointer during MSGB_ABORT()Harald Welte2010-11-091-1/+1
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* msgb: don't compare unsigned int with int (fix lcr build)Harald Welte2010-11-091-2/+2
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* msgb_abort(): better formattingHarald Welte2010-11-051-1/+1
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* generate backtrace in msgb_abort()Harald Welte2010-11-051-0/+2
| | | | This helps us to debug where we encounter insufficient headroom...
* Change msgb_abort() function in MSGB_ABORT argument with variable argumentsHarald Welte2010-11-051-10/+9
| | | | | | | This enables callers to provide format string and arguments to it Also, put conditionals into the macro, and remove them from the caller site.
* gsm0808: Move the clear request from bsc_msc_ip to hereHolger Hans Peter Freyther2010-11-041-0/+1
| | | | | This method should use the msgb_tlv_put routines instead of the stuff it is doing. This will be cleaned up.
* gsm0808: Add a method to create a new DTAP message with a msgbHolger Hans Peter Freyther2010-11-041-0/+1
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* gsm0808: Add a method to create a clear command message.Holger Hans Peter Freyther2010-10-271-0/+1
| | | | | Use the msgb_tv_put functions for putting the data into the message. Do not support the extended error reports.
* codec: Fix bit order table definition for GSM HRSylvain Munaut2010-10-241-1/+2
| | | | | | There is two tables: one for unvoiced frames and one for voiced frames. Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
* codec: Add the missing bits for include to install and pkgconfig to workSylvain Munaut2010-10-242-2/+5
| | | | Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
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