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This requires the corresponding commit in libosmocore.
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This needs the corresponding commit in libosmocore which imports
the related functions
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Add new kitchen sink openbsc/utils.h and libcommon/utils.c to make three so far
static functions public (so I can use them in the upcoming OAP code).
A place to put them could have been the gprs_utils.h, but all general functions
in there have a gprs_ prefix, and todo markings to move them away. All other
libcommon headers are too specific, so I opened up this kitchen sink header.
Replace the implementation of encode_big_endian() with a call to
osmo_store64be_ext(). See comments.
Apply the change in Makefiles and C files.
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When libosmo-netif and/or libosmo-abis are installed in distinct
prefixes, the build failed with non-found headers.
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Implement it similar to the msisdn_enc/msisdn_enc_len and
extend the testcase to include it as well.
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Add roundtrip test for the new QoS IE. It will be consumed in
later commits.
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Extract the new MSISDN IE from the GSUP message and verify that
it is read/written to the message.
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Currently the message types for these message types are wrong.
This patch inserts the correct message types.
Sponsored-by: On-Waves ehf
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Currently, all GPRS timer values are hard-coded. To make these values
configurable in seconds and to show them, conversion functions from
and to seconds are needed.
This patch adds gprs_tmr_to_secs and gprs_secs_to_tmr_floor. Due to
the limited number of bits used to encode GPRS timer values, only a
few durations can be represented. gprs_secs_to_tmr_floor therefore
always returns the timer value that represents either the exact
number (if an exact representation exists) or the next lower number
for that an exact representation exists.
Sponsored-by: On-Waves ehf
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This commit implements the encoding and decoding of the messages
- Purge MS Request
- Purge MS Error
- Purge MS Result
and adds corresponding tests.
Sponsored-by: On-Waves ehf
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Currently, the tests only use valid GSUP messages. This does not
check the robustness of the parser.
This commit adds a test for truncated messages and another for
modified messages.
Thanks to Holger for the basic truncation test.
Sponsored-by: On-Waves ehf
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This patch adds functions to encode and decode GSUP messages. This
does not include the layer 1 framing (IPA). The messages so far
supported are: send_auth_info_*, update_location_*,
location_cancellation_*.
Sponsored-by: On-Waves ehf
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This function is similar to gprs_match_tlv with the exception, that
the tag is not compared but returned in *tag instead.
Sponsored-by: On-Waves ehf
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Currently the parser functions for single information elements are
defined within gprs_gb_parse.c and not exported explicitely. In
addition they are named like libosmocore's TLV parser functions and
do not have a proper name prefix. Since it is planned to use them for
other protocols, they need to be globally accessible.
This patch moves them to gprs_utils.c and renames them.
The new names are:
lv_shift -> gprs_shift_lv
v_fixed_shift -> gprs_shift_v_fixed
lv_shift -> gprs_shift_lv
v_fixed_shift -> gprs_shift_v_fixed
In the long term, these functions should be moved to libosmocore (and
renamed again).
Sponsored-by: On-Waves ehf
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Create a testcase for the gprs_str_to_apn and gprs_apn_to_str
routines. While writing the testcase we noticed it is possible to
write more bytes than should have been allowed. This is fixed by
checking that the max_len is at least 1 (needed to write the first
length octet) and to do the size check before writing to the output.
Modify the signature of gprs_str_to_apn to put the length/size next
to the parameter that requires a size.
Done with Jacob
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Since automake 1.13 INCLUDES is depricates and causes a warning
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GSM 04.64 8.4.2 asks to ignore UI frames if the DLCI is not known,
or if the "(V(UR)- 32) <= N(U) < V(UR)". E.g. if we want to have
V(UR) == 511 and this frame is dropped, we would ignore N(U)'s
0 to 510. Calculate the delta.
The code is based on Jonathan Santos's "LLC UI window" fix but the
issue was discovered independly.
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