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* initial checkin of 'libosmosim'Harald Welte2014-10-261-0/+268
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* msgb: make msgb_get() finally work as expectedHarald Welte2014-10-261-1/+1
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* gprs-ns: Let gprs_nsvc_reset return a valueJacob Erlbeck2014-10-091-1/+1
| | | | | | | | | | Currently gprs_nsvc_reset does not return any value. This patch changes the function to return an integer, where a value less than zero indicates an error. The value is taken from the gprs_ns_tx_reset function. In case of failure, an error message is logged. Sponsored-by: On-Waves ehf
* logging: Add ability to save/print current log filtersHarald Welte2014-08-251-0/+16
| | | | | | This enables the persistent configuration of let's say 'log filter imsi 012345678' for a given log file in the config file.
* gsm48.h: define the reserved TMSI in libosmocore, not openbscHarald Welte2014-08-241-0/+3
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* add port number 4238 for BTS control interfaceHarald Welte2014-08-242-0/+2
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* libctrl: Add support for 'deferred control commands'Harald Welte2014-08-241-0/+15
| | | | | | | | | | | | | | Sometimes a control interface command cannot be processed and responded immediately, but we need to process it asynchronously. In order to support this, we introduce the 'ctrl_cmd_def', which represents such a deferred command. It is created by the service implementing the command using ctrl_cmd_def_make(), and a response is later sent using ctrl_cmd_def_send(). ctrl_cmd_def_is_zombie() must be called to handle the case where the control connection has disconnected/died between receiving the command and sending the response.
* Convert recently-introduced header files to #pragma onceHarald Welte2014-08-213-13/+3
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* New <osmocom/ctrl/ports.h> file listing tcp ports for CTRL interfaceHarald Welte2014-08-211-0/+7
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* rename controlif_setup() to ctrl_interface_setup()Harald Welte2014-08-211-2/+2
| | | | | which means that all control interface related functions now have the common ctrl_ prefix.
* libctrl: Move bulk of control node lookup inti libosmoctrlHarald Welte2014-08-211-4/+7
| | | | | | The control interface user now only has to register a very short node lookup function callback. This function is optional, and only required if hierarchical command lookup should be supported.
* libctrl: remove 'struct gsm_network' referencesHarald Welte2014-08-211-5/+2
| | | | | libctrl doesn't need any knowledge about the type of the user-private data that it gets passed upon setup time and includes on callbacks.
* libctrl: remove bsc-specific declarationHarald Welte2014-08-211-1/+0
| | | | this was moved by accident when importing the code from openbsc.
* libctrl: Add DLCTRL as logging context for the control interfaceHarald Welte2014-08-211-1/+2
| | | | ... and make libctrl code use it
* libctrl: remove reference to bsc_replace_string()Harald Welte2014-08-212-1/+8
| | | | | ... and rather introduce a general osmo_talloc_replace_string() to libosmocore.
* libctrl: remove openbsc headers, convert from make_sock to libosmocoreHarald Welte2014-08-212-4/+5
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* libctr: rename/move control interface to libosmocore naming schemeHarald Welte2014-08-212-0/+208
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* new <osmocom/vty/ports.h> file listing VTY tcp portsHarald Welte2014-08-211-0/+14
| | | | imported from http://openbsc.osmocom.org/trac/wiki/PortNumbers
* ipa: rename functions for consistencyHarald Welte2014-08-201-12/+12
| | | | | | | | As we are breaking builds by moving functions from libosmo-abis to libosmocore anyway, we might as well give functions more appropriate names. ipaccess is a company, while IPA is the multiplex protocol, and CCM is the protocol used for establishing identities on the IPA multiplex.
* import various generic IPA related functions from libosmo-abisHarald Welte2014-08-201-0/+62
| | | | | | | | | libosmo-abis is about forming A-bis interfaces/lines by means of E1 or the IPA multiplex (or possibly other link layers). The IPA multiplex is used in other contexts, such as the Control interface, or the A interface. In that context, it makes sense to have generic IPA related functions in libosmocore.
* Add osmo_get_macaddr() function to obtain etherent mac addressHarald Welte2014-08-181-0/+1
| | | | | This used to be private in osmo-bts/common/abis.c, where it really didn't belong.
* osmocore: Add function osmo_macaddr_parse() to parse ETH MAC addressHarald Welte2014-08-181-0/+6
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* TLV: add TLVP_PRES_LEN() definition to check for existance + minimum lengthHarald Welte2014-08-181-0/+3
| | | | | This is an import from osmo-bts where it was introduced in 6b561bb7ba5f10c5fd96542a7e42de2822352a67
* ipaccess.h: Add IPAC_PROTO_EXT_ORC for OML Router ControlHarald Welte2014-08-181-0/+1
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* abis_nm: add abis_nm_msg_disc_names[] value_stringHarald Welte2014-08-171-0/+1
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* abis_nm: introduce abis_nm_{osmo,ipa}_magic[]Harald Welte2014-08-171-0/+3
| | | | ... used to be oml_{osmo,ipa}_magic in osmo-bts
* update TS 08.08 header + TLV definitions to TS 48.008 / 11.7.0Harald Welte2014-06-211-2/+2
| | | | | | | | | | This adds support for A-over-IP and LCLS related message/IEI definitions. Old definitions are in decimal, which is very hard (at least for me) to compare with the binary tables in the spec. Hex is much easier to manually compare for completeness/correctness. I didn't touch the existing definitions, but think they should move to hex, too.
* update gsm_08_08.h to Release 11Harald Welte2014-06-211-1/+119
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* core/bitXXgen: Don't do 'return' in functions returning voidSylvain Munaut2014-06-161-2/+2
| | | | | | ISO C forbids 'return' with expression, in function returning void Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
* core/bitXXgen: Use explicit cast of void* to uint8_tSylvain Munaut2014-06-161-4/+6
| | | | | | Turns out we use this header in C++ code ... Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
* gsm: Add Kasumi cipher implementationSylvain Munaut2014-06-161-0/+48
| | | | | Submitted-by: Max <max.suraev@fairwaves.co> Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
* bits: Add left circular shift functionMax2014-06-161-0/+10
| | | | | Submitted-by: Max <max.suraev@fairwaves.co> Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
* core: Add generic LE/BE load/store uint type convertors and use them in msgbMax2014-06-163-10/+121
| | | | | Submitted-by: Max <max.suraev@fairwaves.co> Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
* include: Switch to #pragma once patternSylvain Munaut2014-06-1684-335/+84
| | | | Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
* gsmtap: add LTE defines to GSMTAP v2Max2014-06-151-1/+10
| | | | | Submitted-by: Max <max.suraev@fairwaves.co> Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
* abis_nm: Add the abis_nm_osmo_att_tlvdef to the abis headerÁlvaro Neira Ayuso2014-05-201-0/+1
| | | | | | | Avoid compiler warnings and declare the presence of the new tlv_description. Signed-off-by: Alvaro Neira Ayuso <anayuso@sysmocom.de>
* Fix introducing osmocom speficic OML attributesHarald Welte2014-05-191-1/+3
| | | | | | | | | | | | | | | | | | | Rename NM_ATT_O_REDUCEPOWER to NM_ATT_OSMO_REDUCEPOWER, which makes it more clear that this is an osmcoom specific attribute. Also, we cannot simply overload 0x01 as an already defined OML attribute. The problem is quite simple: When we use abis_nm_att_tlvdef during the TLV parse, 0x01 will match to NM_ATT_ABIS_CHANNEL, which is defined as { TLV_TYPE_FIXED, 3 }. So instead, we need to introduce a new abis_nm_osmo_att_tlvdef[], which has to be patched into abis_nm_att_tlvdef[] by the means of tlv_def_patch(), exactly how we do it for bs-11 and nanobts specific attributes. I'm using 0xfe for the attribute, as 0xfe doesn't overlap with the IPA specific attribues (and we might want to combine/merge the 12.21 plus IPA plus osmocom spefici attributes)
* protocol/gsm_12_21.h: Add the Manufacturer Attribute ID O_REDUCEPOWER.Álvaro Neira Ayuso2014-05-151-0/+2
| | | | Signed-off-by: Alvaro Neira Ayuso <anayuso@sysmocom.de>
* src/socket: Adding unix domain socket supportÁlvaro Neira Ayuso2014-03-261-0/+6
| | | | | | Added some function for adding the unix domain socket support. Signed-off-by: Alvaro Neira Ayuso <anayuso@sysmocom.de>
* gsm/lapdm: Prevent LAPD tx_queue from filling up in polling modeDaniel Willmann2014-03-261-0/+1
| | | | | | | If LAPDm receives an I-Frame while there already is an I-Frame in the tx_queue the code generates an additional RR (to acknowledge the received I-Frame). Instead, N(R) of the I-Frame in the tx_queue should be updated to ACK the data.
* lapdm: Make lapdm_datalink_for_sapi publicDaniel Willmann2014-03-261-0/+2
| | | | | This API allows you to get the lapdm_datalink for a SAPI. It's needed in the lapdm_test, so make it public.
* sms: Fix typo in a macros name: GSM340_SMS_RESSERVED -> GSM340_SMS_RESERVED.Alexander Chemeris2014-03-121-1/+1
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* ladpm: Fix msgb handling and SAPI=3 establishment delayJacob Erlbeck2014-03-101-0/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently it takes 3s to establish a SAPI 3 SACCH connection with osmo-bts. This is due to the fact, that a broken SABME request is sent first and and is ignored by the MS. Then, after a T200 timeout (2s) the SABME command is sent again (this time correctly) and answered by the MS. The first SABME message is broken (it has a length field of 3 and ends with 3 bytes from the tail of the original RSL message), because of it is expected throughout lapdm.c that msg buffers containing RSL have msg->l2h == msg->data. Some abis input drivers fulfill this but IPA doesn't, thus the 3 bytes of the IPA header are still part of the msg and confuse length computation. Since internal fields of the msg are modified directly, this is difficult to see. This patch adds a new function msgb_pull_to_l3() that explicitely skips over all headers prepending L3 and therefore resets l1h and l2h. This function is then used instead of msgb_pull_l2h() which only worked correctly when msg->l2h == msg->data. In addition, code manipulating msg->tail and msg->len directly has been replaced by calls to msgb_trim(). Note that this patch does not fix all issues of this case in the LADP related code. Ticket: SYS#192 Sponsored-by: On-Waves ehf
* msgb: Add msgb_hexdump() functionJacob Erlbeck2014-03-041-0/+1
| | | | | | | | | | | | This function works like osmo_hexdump() and returns a static buffer containing hex bytes along with markers for the layers. Note that it uses osmo_hexdump() internally, thus a call to msgb_hexdump() invalidates the buffer that has been returned by an earlier call to osmo_hexdump(). In short: don't mix them in a single call printf(). Sponsored-by: On-Waves ehf
* sms: Fix gsm_7bit legacy functions return valueJacob Erlbeck2014-01-091-0/+3
| | | | | | | | | | | | | | The legacy 7bit conversion functions (those without the '_n_' in the name) gave wrong return values on 64 bit platforms due to unproper signed/unsigned conversions and the usage of SIZE_MAX. This patch fixes this by using a smaller max size (see GSM_7BIT_LEGACY_MAX_BUFFER_SIZE, currently set to 64k) for the legacy wrappers and by using unsigned int for max_septets. In addition, there are tests now that check the return values of legacy encoding and decoding. Sponsored-by: On-Waves ehf
* abis: Use the right return value for abis_nm_pchan4chcombHolger Hans Peter Freyther2014-01-021-1/+1
| | | | | | | | | abis_nm_pchan4chcomb will return a pchan for a given channel combination but returned a value of the channel combination. Fix it to return the physical channel combination. Fixes: Coverity CID 1040767
* Refactor COMP128v23 implementation and add test suitMax2013-12-071-2/+2
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* implement COMP128 version 2 and 3 A3/A8 algorithmKevin Redon2013-11-031-0/+23
| | | | simple copy into C from reversed code from www.hackingprojects.net
* gb: Fix NS RESET/RESET_ACK abnormal casesJacob Erlbeck2013-10-241-0/+5
| | | | | | | | | | | | | | | | This changes the implementations for the reception of RESET and RESET_ACK to be compatible with 3GPP TS 08.16, 7.3.1: - Just send a RESET_ACK with correct values back to the SGSN when a RESET with an invalid NSVCI or NSEI has been received. - Check RESET_ACK for matching NSEI and NSVCI. - Ignore unexpected RESET_ACKs. In addition, use RESET_ACK from a BSS to update the BSS source address based on the NSVCI to be tolerant with changing UDP source addresses/ports. Sponsored-by: On-Waves ehf
* gb: Fix gprs_ns_rx_reset to not create NS-VC duplicatesJacob Erlbeck2013-10-151-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | Under special circumstances (see below) receiving a NS-RESET leads to duplicated NS-VC entries. This happens when the source port of a NS-VC changes to a new one that has already been used by another NS-VC. This patch changes gprs_ns_rx_reset() to check for this case and to use the existing NS-VC object. The NS-VC object that was associated with the source address before is detached from this source but kept in the NS-VC list so that it can be reattached when a correspondent NS-RESET is received later on. Meanwhile it will have a cleared link layer address which will not match a real link info. A new counter NS_CTR_REPLACED is incremented each time when the NS-VC object is replacing another one. A new signal S_NS_REPLACED is added which gets dispatched in this case, too. Another new counter NS_CTR_NSEI_CHG is incremented each time when the NSEI of a NS-VC object (with fixed NSVCI) changes. Ticket: OW#874 Sponsored-by: On-Waves ehf
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