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 <span id="projectnumber">0.9.0</span>
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<div id="projectbrief">Osmocom GSM library</div>
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<div class="title">lapd_core.h File Reference<div class="ingroups"><a class="el" href="group__lapd.html">LAPD implementation common part</a></div></div> </div>
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<div class="textblock"><code>#include <stdint.h></code><br />
<code>#include <osmocom/core/timer.h></code><br />
<code>#include <osmocom/core/msgb.h></code><br />
<code>#include <osmocom/gsm/prim.h></code><br />
</div>
<p><a href="lapd__core_8h_source.html">Go to the source code of this file.</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="nested-classes"></a>
Data Structures</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structmdl__error__ind__param.html">mdl_error_ind_param</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">for MDL-ERROR.ind <a href="structmdl__error__ind__param.html#details">More...</a><br /></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structdl__rel__req__param.html">dl_rel_req_param</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">for DL-REL.req <a href="structdl__rel__req__param.html#details">More...</a><br /></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structosmo__dlsap__prim.html">osmo_dlsap_prim</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">primitive header for LAPD DL-SAP primitives <a href="structosmo__dlsap__prim.html#details">More...</a><br /></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structlapd__msg__ctx.html">lapd_msg_ctx</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">LAPD message context. <a href="structlapd__msg__ctx.html#details">More...</a><br /></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structlapd__cr__ent.html">lapd_cr_ent</a></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structlapd__history.html">lapd_history</a></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structlapd__datalink.html">lapd_datalink</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">LAPD datalink. <a href="structlapd__datalink.html#details">More...</a><br /></td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="define-members"></a>
Macros</h2></td></tr>
<tr class="memitem:gaa556f7abcb90fc195c9eafdeb8e2fcde"><td class="memItemLeft" align="right" valign="top">
#define </td><td class="memItemRight" valign="bottom"><b>MDL_CAUSE_T200_EXPIRED</b>   0x01</td></tr>
<tr class="separator:gaa556f7abcb90fc195c9eafdeb8e2fcde"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gab3553b7284fb2d31c8d3b44f773dc945"><td class="memItemLeft" align="right" valign="top">
#define </td><td class="memItemRight" valign="bottom"><b>MDL_CAUSE_REEST_REQ</b>   0x02</td></tr>
<tr class="separator:gab3553b7284fb2d31c8d3b44f773dc945"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga6eb71c66fb0511f473ee264a9077db23"><td class="memItemLeft" align="right" valign="top">
#define </td><td class="memItemRight" valign="bottom"><b>MDL_CAUSE_UNSOL_UA_RESP</b>   0x03</td></tr>
<tr class="separator:ga6eb71c66fb0511f473ee264a9077db23"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga4f3cd051db62326e8c58a2a25c01c0ec"><td class="memItemLeft" align="right" valign="top">
#define </td><td class="memItemRight" valign="bottom"><b>MDL_CAUSE_UNSOL_DM_RESP</b>   0x04</td></tr>
<tr class="separator:ga4f3cd051db62326e8c58a2a25c01c0ec"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga5acba579f5467ff787e67c023a1831b8"><td class="memItemLeft" align="right" valign="top">
#define </td><td class="memItemRight" valign="bottom"><b>MDL_CAUSE_UNSOL_DM_RESP_MF</b>   0x05</td></tr>
<tr class="separator:ga5acba579f5467ff787e67c023a1831b8"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga0c99f16dd4fa0c803b376992d737cab6"><td class="memItemLeft" align="right" valign="top">
#define </td><td class="memItemRight" valign="bottom"><b>MDL_CAUSE_UNSOL_SPRV_RESP</b>   0x06</td></tr>
<tr class="separator:ga0c99f16dd4fa0c803b376992d737cab6"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga846abd4742470b2df64c66b5ceddfd2e"><td class="memItemLeft" align="right" valign="top">
#define </td><td class="memItemRight" valign="bottom"><b>MDL_CAUSE_SEQ_ERR</b>   0x07</td></tr>
<tr class="separator:ga846abd4742470b2df64c66b5ceddfd2e"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gaa3b130754397643fe9db9eae6364784d"><td class="memItemLeft" align="right" valign="top">
#define </td><td class="memItemRight" valign="bottom"><b>MDL_CAUSE_UFRM_INC_PARAM</b>   0x08</td></tr>
<tr class="separator:gaa3b130754397643fe9db9eae6364784d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gaddb7dd9e5f12bd0b012705a21f27ffdf"><td class="memItemLeft" align="right" valign="top">
#define </td><td class="memItemRight" valign="bottom"><b>MDL_CAUSE_SFRM_INC_PARAM</b>   0x09</td></tr>
<tr class="separator:gaddb7dd9e5f12bd0b012705a21f27ffdf"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga84f2a8c03c15b7f06a353b1aff1d2d0c"><td class="memItemLeft" align="right" valign="top">
#define </td><td class="memItemRight" valign="bottom"><b>MDL_CAUSE_IFRM_INC_MBITS</b>   0x0a</td></tr>
<tr class="separator:ga84f2a8c03c15b7f06a353b1aff1d2d0c"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga05b591abc58d077fbda188124096633c"><td class="memItemLeft" align="right" valign="top">
#define </td><td class="memItemRight" valign="bottom"><b>MDL_CAUSE_IFRM_INC_LEN</b>   0x0b</td></tr>
<tr class="separator:ga05b591abc58d077fbda188124096633c"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga9bc7b8dfb852a4b80a0d994e9452bbf4"><td class="memItemLeft" align="right" valign="top">
#define </td><td class="memItemRight" valign="bottom"><b>MDL_CAUSE_FRM_UNIMPL</b>   0x0c</td></tr>
<tr class="separator:ga9bc7b8dfb852a4b80a0d994e9452bbf4"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gaa85a9e951729f39cbc10ba5952d1a3c0"><td class="memItemLeft" align="right" valign="top">
#define </td><td class="memItemRight" valign="bottom"><b>MDL_CAUSE_SABM_MF</b>   0x0d</td></tr>
<tr class="separator:gaa85a9e951729f39cbc10ba5952d1a3c0"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gafa9dd11446974b9677ef5bb5304b1329"><td class="memItemLeft" align="right" valign="top">
#define </td><td class="memItemRight" valign="bottom"><b>MDL_CAUSE_SABM_INFO_NOTALL</b>   0x0e</td></tr>
<tr class="separator:gafa9dd11446974b9677ef5bb5304b1329"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga2612fa51229809663255c2a613118085"><td class="memItemLeft" align="right" valign="top">
#define </td><td class="memItemRight" valign="bottom"><b>MDL_CAUSE_FRMR</b>   0x0f</td></tr>
<tr class="separator:ga2612fa51229809663255c2a613118085"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="enum-members"></a>
Enumerations</h2></td></tr>
<tr class="memitem:gafc677d9832c64e4d5f2adcae81838c24"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="group__lapd.html#gafc677d9832c64e4d5f2adcae81838c24">osmo_dl_prim</a> { <br />
  <a class="el" href="group__lapd.html#ggafc677d9832c64e4d5f2adcae81838c24a8bb08cd1c71d1439ab8e24ae9a410218">PRIM_DL_UNIT_DATA</a>,
<a class="el" href="group__lapd.html#ggafc677d9832c64e4d5f2adcae81838c24a6ead20744fa50b541ba22430f7b5bc2c">PRIM_DL_DATA</a>,
<a class="el" href="group__lapd.html#ggafc677d9832c64e4d5f2adcae81838c24a68267b7b431c1b3f0df1d5366f750959">PRIM_DL_EST</a>,
<a class="el" href="group__lapd.html#ggafc677d9832c64e4d5f2adcae81838c24a02510b951d4ff7ff43e69d0eb71b88aa">PRIM_DL_REL</a>,
<br />
  <a class="el" href="group__lapd.html#ggafc677d9832c64e4d5f2adcae81838c24a5dfe58125bc9cc8af4de98545e9ec2ca">PRIM_DL_SUSP</a>,
<a class="el" href="group__lapd.html#ggafc677d9832c64e4d5f2adcae81838c24a1a4223b6f0f8cfeb86ed3e6eb17d781b">PRIM_DL_RES</a>,
<a class="el" href="group__lapd.html#ggafc677d9832c64e4d5f2adcae81838c24af2706c61518a6170b47eb8694562e898">PRIM_DL_RECON</a>,
<a class="el" href="group__lapd.html#ggafc677d9832c64e4d5f2adcae81838c24acd385c13ecdb9566fc747a5e6d3b0bbe">PRIM_MDL_ERROR</a>
<br />
}<tr class="memdesc:gafc677d9832c64e4d5f2adcae81838c24"><td class="mdescLeft"> </td><td class="mdescRight">LAPD related primitives (L2<->L3 SAP) <a href="group__lapd.html#gafc677d9832c64e4d5f2adcae81838c24">More...</a><br /></td></tr>
</td></tr>
<tr class="separator:gafc677d9832c64e4d5f2adcae81838c24"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga5f32af06c0aaeb08e0db67cc6edbb11d"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="group__lapd.html#ga5f32af06c0aaeb08e0db67cc6edbb11d">lapd_mode</a> { <a class="el" href="group__lapd.html#gga5f32af06c0aaeb08e0db67cc6edbb11da85b08315e366a4d7aa0e48658fd96d92">LAPD_MODE_USER</a>,
<a class="el" href="group__lapd.html#gga5f32af06c0aaeb08e0db67cc6edbb11dafe6dcb1663201ed654bd41fe220fdbab">LAPD_MODE_NETWORK</a>
}<tr class="memdesc:ga5f32af06c0aaeb08e0db67cc6edbb11d"><td class="mdescLeft"> </td><td class="mdescRight">LAPD mode/role. <a href="group__lapd.html#ga5f32af06c0aaeb08e0db67cc6edbb11d">More...</a><br /></td></tr>
</td></tr>
<tr class="separator:ga5f32af06c0aaeb08e0db67cc6edbb11d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gafdd5fb2afc6689772904f14820dfd38c"><td class="memItemLeft" align="right" valign="top"><a id="gafdd5fb2afc6689772904f14820dfd38c"></a>enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="group__lapd.html#gafdd5fb2afc6689772904f14820dfd38c">lapd_state</a> { <br />
  <b>LAPD_STATE_NULL</b> = 0,
<b>LAPD_STATE_TEI_UNASS</b>,
<b>LAPD_STATE_ASS_TEI_WAIT</b>,
<b>LAPD_STATE_EST_TEI_WAIT</b>,
<br />
  <b>LAPD_STATE_IDLE</b>,
<b>LAPD_STATE_SABM_SENT</b>,
<b>LAPD_STATE_DISC_SENT</b>,
<b>LAPD_STATE_MF_EST</b>,
<br />
  <b>LAPD_STATE_TIMER_RECOV</b>
<br />
}<tr class="memdesc:gafdd5fb2afc6689772904f14820dfd38c"><td class="mdescLeft"> </td><td class="mdescRight">LAPD state (Figure B.2/Q.921) <br /></td></tr>
</td></tr>
<tr class="separator:gafdd5fb2afc6689772904f14820dfd38c"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gaeb83ddca9a2f9b9be8596a912d4b469c"><td class="memItemLeft" align="right" valign="top"><a id="gaeb83ddca9a2f9b9be8596a912d4b469c"></a>enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="group__lapd.html#gaeb83ddca9a2f9b9be8596a912d4b469c">lapd_format</a> { <b>LAPD_FORM_UKN</b> = 0,
<b>LAPD_FORM_I</b>,
<b>LAPD_FORM_S</b>,
<b>LAPD_FORM_U</b>
}<tr class="memdesc:gaeb83ddca9a2f9b9be8596a912d4b469c"><td class="mdescLeft"> </td><td class="mdescRight">LAPD message format (I / S / U) <br /></td></tr>
</td></tr>
<tr class="separator:gaeb83ddca9a2f9b9be8596a912d4b469c"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:gae68405f59994f3405393dc63c0024704"><td class="memItemLeft" align="right" valign="top">
void </td><td class="memItemRight" valign="bottom"><b>lapd_dl_init</b> (struct <a class="el" href="structlapd__datalink.html">lapd_datalink</a> *dl, uint8_t k, uint8_t v_range, int maxf)</td></tr>
<tr class="separator:gae68405f59994f3405393dc63c0024704"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga85c56732f19723768044b788c698c999"><td class="memItemLeft" align="right" valign="top">
void </td><td class="memItemRight" valign="bottom"><b>lapd_dl_exit</b> (struct <a class="el" href="structlapd__datalink.html">lapd_datalink</a> *dl)</td></tr>
<tr class="separator:ga85c56732f19723768044b788c698c999"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga1e102b5839d9e26f4d903763df2c843f"><td class="memItemLeft" align="right" valign="top">
void </td><td class="memItemRight" valign="bottom"><b>lapd_dl_reset</b> (struct <a class="el" href="structlapd__datalink.html">lapd_datalink</a> *dl)</td></tr>
<tr class="separator:ga1e102b5839d9e26f4d903763df2c843f"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga15b7e633cd0622bf389644c71f342642"><td class="memItemLeft" align="right" valign="top">
int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__lapd.html#ga15b7e633cd0622bf389644c71f342642">lapd_set_mode</a> (struct <a class="el" href="structlapd__datalink.html">lapd_datalink</a> *dl, enum <a class="el" href="group__lapd.html#ga5f32af06c0aaeb08e0db67cc6edbb11d">lapd_mode</a> mode)</td></tr>
<tr class="memdesc:ga15b7e633cd0622bf389644c71f342642"><td class="mdescLeft"> </td><td class="mdescRight">Set the <a class="el" href="group__lapdm.html#gae1114a473c0f1b35d2fddae1bf35ff81">lapdm_mode</a> of a LAPDm entity. <br /></td></tr>
<tr class="separator:ga15b7e633cd0622bf389644c71f342642"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga1c6e100333f9ca2aa92b9cdcdf9dfd45"><td class="memItemLeft" align="right" valign="top">
int </td><td class="memItemRight" valign="bottom"><b>lapd_ph_data_ind</b> (struct msgb *msg, struct <a class="el" href="structlapd__msg__ctx.html">lapd_msg_ctx</a> *lctx)</td></tr>
<tr class="separator:ga1c6e100333f9ca2aa92b9cdcdf9dfd45"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga3cde8dfdeb49733c405be32420d2f858"><td class="memItemLeft" align="right" valign="top">
int </td><td class="memItemRight" valign="bottom"><b>lapd_recv_dlsap</b> (struct <a class="el" href="structosmo__dlsap__prim.html">osmo_dlsap_prim</a> *dp, struct <a class="el" href="structlapd__msg__ctx.html">lapd_msg_ctx</a> *lctx)</td></tr>
<tr class="separator:ga3cde8dfdeb49733c405be32420d2f858"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>primitive related stuff </p>
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