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* LAPD: Add function to release/free a LAPD instanceHarald Welte2011-08-241-0/+1
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* e1_input: move the lapd_instance pointer out of dahdi specificsHarald Welte2011-08-211-1/+4
| | | | ... and create a new e1inp_rx_ts_lapd() from dahdi as well
* trau_frame: Add doxygen documentationHarald Welte2011-08-211-5/+16
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* subchan_demux: add doxygen documentationHarald Welte2011-08-211-25/+33
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* ipa: export ipaccess_rcvmsg_base() and return intHarald Welte2011-08-191-0/+2
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* e1_input: rework configuration of virtual E1 line operationsPablo Neira Ayuso2011-08-191-4/+12
| | | | | | | | | | | | | | | | | | | | | | | | | struct e1inp_line_ops { - enum e1inp_line_role role; - char *addr; - void *data; + union { + struct { + enum e1inp_line_role role; /* BSC or BTS mode. */ + const char *addr; /* IP address .*/ + void *dev; /* device parameters. */ + } ipa; + struct { + const char *port; /* e.g. /dev/ttyUSB0 */ + unsigned int delay; + } rs232; + } cfg; Now this structure contains the configuration details for the virtual E1 line, instead of using a pointer. This also get the line_update callback to its original layout: + int (*line_update)(struct e1inp_line *line);
* input: add rs232 driver for virtual E1 linesPablo Neira Ayuso2011-08-191-0/+3
| | | | | This patch adds the rs232 driver which is used by then bs11_config utility available in openBSC.
* E1 input: rename signal_input by e1inp_signal_inputPablo Neira Ayuso2011-08-161-1/+1
| | | | | Comestical change required by patches that port openBSC upon libosmo-abis.
* src: replace S_INP_* signals by S_L_INP_* according to naming policyPablo Neira Ayuso2011-08-161-7/+7
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* E1 Input: Add rate counters for events related to E1 linesHarald Welte2011-08-161-0/+9
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* LAPD: Propagate lapd_receive() errors to the E1 driverPablo Neira Ayuso2011-08-162-2/+15
| | | | | | | | | | Scenario: BTS are configured and working, then the BSC stops working for some reason (crash or administrative stop). If the BSC comes back to life, LAPD among other things does not know about the previous existing TEIs. Instead of ignoring these frames, we notify the driver that we are seeing frames with unknown TEIs, so it can try to recover, e.g. by resending the SABM message.
* include: add missing ipa.h to Makefile.am so make distcheck works againPablo Neira Ayuso2011-08-161-0/+1
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* update to comply with libosmocore namespace fixesHarald Welte2011-07-191-1/+1
| | | | | This updates the code and brings it in sync to libosmocore git commit 892e621fec571c7cba3573caa0d328ed1b25d8ee
* ipaccess: ipaccess_fd_cb needs to be externPablo Neira Ayuso2011-07-081-1/+1
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* ipaccess: hack to get openBSC's ipaccess-config tool workingPablo Neira Ayuso2011-07-081-0/+3
| | | | | Export one function that we shouldn't, it's a quick way to fix the ipaccess-config in openBSC.
* hsl: BTS supportPablo Neira Ayuso2011-07-083-2/+8
| | | | | | This patch adds the BTS support for the hsl driver. It includes two examples under the tests/ directory.
* e1_input: add new refcounting scheme to avoid leaking E1 linesPablo Neira Ayuso2011-07-071-1/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | This patch 's/e1inp_line_get/e1inp_line_find/g' since we need this function name for the new refcounting scheme. Basically, I have added a new function to clone lines that is used by the ipaccess driver: struct e1inp_line *e1inp_line_clone(void *ctx, struct e1inp_line *line); And two functions to bump and decrement the refcount: void e1inp_line_get(struct e1inp_line *line); void e1inp_line_put(struct e1inp_line *line); This is useful to avoid leaking virtual E1 lines in the ipaccess case, since we have two sockets for OML and RSL respectively, we have to release the line *once* both sockets have been closed. Without this patch, there are cases in which we don't know if it's time to release the virtual E1 line. This patch also includes a fix to avoid crashing if we open a connection with OML/RSL port without sending any ID_RESP message (in that case, we have no chance to set the signal link). I tested these situations with netcat.
* include: remove IPA_NODE and E1INP_NODE definition from internal.hPablo Neira Ayuso2011-07-051-4/+0Star
| | | | They should be defined in osmocom/vty/command.h in libosmocore.
* src: add e1_input_vty.c to libosmo-abisPablo Neira Ayuso2011-07-052-0/+3
| | | | | This file provides the VTY interface for E1 lines, I have moved it to libosmo-abis since it belongs here.
* src: use signal infrastructure that will be available in libosmocorePablo Neira Ayuso2011-07-051-17/+0Star
| | | | | This is still not in mainline yet, it's in a separate patch that I expect to send to Harald soon.
* logging: use new harald's logging infrastructure in libosmocorePablo Neira Ayuso2011-07-052-17/+0Star
| | | | | I can send patches to improve it later, better not to waste much time at it by now so port libosmo-abis upon it.
* e1_input: change prototype of ->sign_link(...)Pablo Neira Ayuso2011-07-051-1/+1
| | | | | This patch removes the struct e1inp_sign_link parameter since this is already available in the msgb->dst field of the message.
* e1_input: change prototype of close hook in e1inp_driverPablo Neira Ayuso2011-07-051-1/+1
| | | | | This patch changes `close' so we can make the e1inp_event inside this hook.
* include: export lapd.h since openBSC needs itPablo Neira Ayuso2011-07-053-1/+2
| | | | More specifically, the unfinished ericsson rbs2000 BTS.
* include: remove unused ipaccess_read_msg definition from internal.hPablo Neira Ayuso2011-07-021-2/+1Star
| | | | This was used by hsl driver but not anymore.
* ipaccess: put the ID_GET logic for the BTS mode into the driverPablo Neira Ayuso2011-07-022-0/+8
| | | | | This patch moves the ID_GET logic from the example file to the ipaccess driver in BTS mode.
* major updates in e1_input callback ops and IPA infrastructuresPablo Neira Ayuso2011-06-303-6/+20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch is a major update of the callback infrastructure, now the e1input_ops looks like the following: struct e1inp_sign_link * (*sign_link_up)(void *unit_info, struct e1inp_line *line, enum e1inp_sign_type type); void (*sign_link_down)(struct e1inp_line *line); int (*sign_link)(struct msgb *msg, struct e1inp_sign_link *link); The sign_link_up and sign_link_down will be used by the A-bis over IP input drivers. The sign_link_up callback is used if we receive a ID_RESP message, in that case, we have to set up the sign link for the corresponding new OML/RSL signal link. The pointer to unit_info provides a data structure that contains the BTS device details if we run as BSC, and the requested device information from the BSC if we run as BTS. The sign_link_up callback must return the new sign_link created. The sign_link_down callback is invoked if the line does down, which means that the counterpart has closed the socket. The sign_link callback is used to handle all RSL/OML messages. I have also added the following callback to the e1inp_driver: + void (*close)(struct e1inp_ts *ts); Which is invoked if you call e1inp_sign_link_destroy(). This callback is used to close the socket that is linked to that timeslot. This is useful for A-bis over IP drivers since sockets are closed if the OML/RSL signalling link is destroyed. As you can notice, I have also added all the ID_RESP parsing into libosmo-abis for both ipaccess and hsl drivers. This patch also contains a rework of the ipa_client_link whose integration with the e1_input infrastructure was broken (the transmission path was broken). This patch also contains more develop examples that act as BSC and BTS for the ipaccess driver. Sorry, I know it would be better to split all these changes into logical pieces but many of them are tightly related. This is under heavy development stage, it's anyway hard to track changes until this becomes more stable.
* e1_input: add abis_sendmsg(...)Pablo Neira Ayuso2011-06-261-0/+2
| | | | | | | This patch adds generic abis_sendmsg to send NM messages (both OML and RSL). abis_rsl_sendmsg(...) is basically the same, we'll remove it from libosmo-abis once we can propagate changes to openbsc.
* include: remove unused prototype _abis_nm_sendmsg(...) definitionPablo Neira Ayuso2011-06-251-2/+0Star
| | | | This function does not live in this tree.
* include: fix include installation path and missing logging.h filePablo Neira Ayuso2011-06-251-1/+2
| | | | | The installation path was wrong. The logging.h file was not being installed.
* e1_input: minor API changes to adapt it to openbscPablo Neira Ayuso2011-06-251-6/+12
| | | | | While working on the openbsc over libosmo-abis port, I noticed several API changes that we need to perform for better adaptation.
* ipa-proxy: add A-bis over IP generic proxy commands for VTYPablo Neira Ayuso2011-06-233-1/+15
| | | | | | | | | | | | | | | | | | | | | | | This patch adds VTY commands to route IPA flows. The following example allows to add a new route: $ tests/./ipa_proxy_test & <0000> ipa_proxy_test.c:74 entering main loop $ telnet localhost 4260 ipa-proxy-test> enable ipa-proxy-test# ipa instance input-oml bind 127.0.0.1 tcp port 8888 ipa-proxy-test# ipa instance output-oml connect 127.0.0.1 tcp port 3002 ipa-proxy-test# ipa route instance input-oml streamid 0xfe instance output-oml streamid 0xfe ipa-proxy-test# ipa instance input-rsl bind 127.0.0.1 tcp port 8889 ipa-proxy-test# ipa instance output-rsl connect 127.0.0.1 tcp port 3003 ipa-proxy-test# ipa route instance input-rsl streamid 0xfe instance output-rsl streamid 0xfe I'm using this to initially test this code [*]. [*] note that this requires a minor hackish patch for the src/input/ipaccess.c driver which changes the default OML and RSL ports to listen in 8888 and 8889 instead of the default ports, thus, I can initially test everything from the localhost.
* ipa: add ipa_*_send() to transmit messagesPablo Neira Ayuso2011-06-231-0/+4
| | | | | | | | This patch adds ipa_*_send() functions to transmit messages using the new A-bis over IP infrastructure. This patch completes the transmission path support for the A-bis over IP infrastructure.
* ipa: add ipa_server_peer infrastructurePablo Neira Ayuso2011-06-231-1/+11
| | | | | This patch adds the ipa_server_peer abstraction which provide helpers for the accept path of ipa_server_link.
* ipa: extend ipa_*link_create() to take one generic data pointerPablo Neira Ayuso2011-06-231-2/+4
| | | | | With this patch we can attach generic data to some IPA link. This will be useful for the IPA proxy support.
* ipa: add ipa_server_link abstractionPablo Neira Ayuso2011-06-211-0/+15
| | | | | | | | This patch adds the ipa_server_link which allows to create IPA servers. I have also changed the ipaccess driver to use it. Still missing the port of HSL driver.
* ipa: rename `struct ipa_link' by `struct ipa_client_link'Pablo Neira Ayuso2011-06-211-18/+18
| | | | | And IPA_LINK_STATE_* by IPA_CLIENT_LINK_STATE_* to prepare the addition of the ipa_server_link abstraction.
* ipaccess: initial works to get BTS mode workingPablo Neira Ayuso2011-06-211-2/+2
| | | | | | | | | | | | | | This patch adds the initial support to get BTS mode working with the ipaccess driver. Now, the driver handles IPA ping, pong and id_ack messages internally in BTS modes, and it passes the signalling messages to the client application by invoking the callback line operations. Moreover, with this patch, each IPA link object always has one E1 line object associated. Still HSL BTS-mode remains unimplemented.
* hsl: add support for BTS-modePablo Neira Ayuso2011-06-211-1/+3
| | | | This patch adds support for BTS-mode for the hsl input driver.
* e1input: add address as parameter to e1inp_line_update(...)Pablo Neira Ayuso2011-06-212-4/+4
| | | | | This patch adds a new parameter to e1inp_line_update that allows to specific the address for A-bis over IP BSC/BTS.
* input: ipaccess: add preliminary BTS-side for A-bis over IPPablo Neira Ayuso2011-06-141-0/+32
| | | | | | | | | | | | This patch adds the BTS-side for the ip.access driver for A-bis over IP communications. This patch adds one example under test/ so you can test the existing BSC and BTS sides over ip.access. Still incomplete, it requires to allow to register some callback in the BTS side to perform some action once we receive some message. This will come in next updates.
* include: remove internal definition that are now in libosmocorePablo Neira Ayuso2011-06-093-57/+33Star
| | | | | Still in one separate patch for libosmocore, but they may become part of mainline soon.
* include: document functions required by hsl driverPablo Neira Ayuso2011-06-071-4/+5
| | | | | | This patch is a minor cleanup for internal.h, it confirms that a couple of functions in the ipaccess driver are used by hsl, but not exported further.
* include: remove superfluous definition from internal.hPablo Neira Ayuso2011-06-072-34/+1Star
| | | | | | | | Get rid of definitions that we no longer need. And move trau_frame_idle() definition where it really belongs to. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* e1input: rework generic (virtual and real) E1 line operationsPablo Neira Ayuso2011-06-071-3/+8
| | | | | | | | | | | | | | | | | | | | | | struct e1inp_line_ops { int (*sign_link_up)(struct msgb *msg, struct e1inp_line *line); int (*sign_link)(struct msgb *msg, struct e1inp_sign_link *link); int (*error)(struct msgb *msg, int error); }; The description of the operations is the following: * sign_link_up is invoked if the signalling link becomes up. In A-bis over IP, we have to wait until the other peer identifies itself as a BTS/BSC device, then this function is invoked. This function is not used by ISDN drivers, the signalling link can be set up just after the line is created. * sign_link is called if we receive OML/RSL message. This function is used both by ISDN and A-bis over IP drivers. * error is called if we receive a malformed message. It is used both by ISDN and A-bis over IP drivers.
* e1input: log_set_context(...) should be called from the applicationPablo Neira Ayuso2011-06-071-3/+0Star
| | | | Remove this line, it should be called from the application.
* e1input: fix TRAU frame handlingPablo Neira Ayuso2011-06-071-3/+5
| | | | | | | With this patch, we pass TRAU frames to the callback that e1inp_ts_config_trau(...) takes as parameter. Instead of passing it to the line->rx(...) callback. The function e1inp_ts_config_trau(...) should only be used by ISDN drivers.
* src: add libosmo_abis_init(void *ctx) to set the talloc contextPablo Neira Ayuso2011-06-074-4/+13
| | | | | This function is called during initialization, so we can set what's the talloc context for the application and the library.
* src: use include/osmocom/abis instead of include/osmocom/gsm/abisPablo Neira Ayuso2011-06-077-4/+2Star
| | | | | | Harald prefers short paths. This patch also remove commented includes in several files.
* initial commit of libosmo-abisPablo Neira Ayuso2011-06-0511-0/+1026
still many things to get fixed