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<div class="title">tcpip.c File Reference</div> </div>
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<div class="textblock"><code>#include <<a class="el" href="../../dc/dba/opt_8h_source.html">net/opt.h</a>></code><br />
<code>#include <<a class="el" href="../../d6/d89/tcpip__priv_8h_source.html">net/priv/tcpip_priv.h</a>></code><br />
<code>#include <<a class="el" href="../../d9/d87/sys_8h_source.html">net/sys.h</a>></code><br />
<code>#include <<a class="el" href="../../df/dff/memp_8h_source.html">net/memp.h</a>></code><br />
<code>#include <<a class="el" href="../../d9/d9a/mem_8h_source.html">net/mem.h</a>></code><br />
<code>#include <<a class="el" href="../../df/d40/net_2init_8h_source.html">net/init.h</a>></code><br />
<code>#include <<a class="el" href="../../da/d2f/ip_8h_source.html">net/ip.h</a>></code><br />
<code>#include <<a class="el" href="../../d0/d35/pbuf_8h_source.html">net/pbuf.h</a>></code><br />
<code>#include <<a class="el" href="../../df/dbc/etharp_8h_source.html">net/etharp.h</a>></code><br />
<code>#include <<a class="el" href="../../d9/d81/f_2ethernet_8h_source.html">netif/ethernet.h</a>></code><br />
</div><div class="textblock"><div class="dynheader">
Include dependency graph for tcpip.c:</div>
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<p><a href="../../d2/d55/tcpip_8c_source.html">Go to the source code of this file.</a></p>
<table class="memberdecls">
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Macros</h2></td></tr>
<tr class="memitem:a509daeff3c37e5659d0decb841b4e262"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d2/d55/tcpip_8c.html#a509daeff3c37e5659d0decb841b4e262">TCPIP_MBOX_FETCH</a>(mbox, msg)   <a class="el" href="../../d9/d87/sys_8h.html#a5bae9efa9c945dc810665dc4a7e60117">sys_mbox_fetch</a>(mbox, msg)</td></tr>
<tr class="separator:a509daeff3c37e5659d0decb841b4e262"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a2485bb329e586fe0b440cff72bf364e4"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d2/d55/tcpip_8c.html#a2485bb329e586fe0b440cff72bf364e4">TCPIP_MSG_VAR_ALLOC</a>(<a class="el" href="../../d1/de8/pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>)   <a class="el" href="../../d6/d89/tcpip__priv_8h.html#a8ff9b936b16d91844c0e32424e97f493">API_VAR_ALLOC</a>(struct <a class="el" href="../../d4/de8/structtcpip__msg.html">tcpip_msg</a>, MEMP_TCPIP_MSG_API, <a class="el" href="../../d1/de8/pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>, <a class="el" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaaaeafdbf3aecc46864daa3cd829c7e05">ERR_MEM</a>)</td></tr>
<tr class="separator:a2485bb329e586fe0b440cff72bf364e4"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aecf85047afc1ea35a976f7e279fb0f7b"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d2/d55/tcpip_8c.html#aecf85047afc1ea35a976f7e279fb0f7b">TCPIP_MSG_VAR_DECLARE</a>(<a class="el" href="../../d1/de8/pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>)   <a class="el" href="../../d6/d89/tcpip__priv_8h.html#ab5d4a4fa91c4c144bedabf593a68b4dd">API_VAR_DECLARE</a>(struct <a class="el" href="../../d4/de8/structtcpip__msg.html">tcpip_msg</a>, <a class="el" href="../../d1/de8/pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>)</td></tr>
<tr class="separator:aecf85047afc1ea35a976f7e279fb0f7b"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:acf5d75be78b6af27ca5ed13da28681d4"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d2/d55/tcpip_8c.html#acf5d75be78b6af27ca5ed13da28681d4">TCPIP_MSG_VAR_FREE</a>(<a class="el" href="../../d1/de8/pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>)   <a class="el" href="../../d6/d89/tcpip__priv_8h.html#a30caebb5334f52d49ac938a507094094">API_VAR_FREE</a>(MEMP_TCPIP_MSG_API, <a class="el" href="../../d1/de8/pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>)</td></tr>
<tr class="separator:acf5d75be78b6af27ca5ed13da28681d4"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ad42dbf6b1a12f07523637e44cf85756d"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d2/d55/tcpip_8c.html#ad42dbf6b1a12f07523637e44cf85756d">TCPIP_MSG_VAR_REF</a>(<a class="el" href="../../d1/de8/pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>)   <a class="el" href="../../d6/d89/tcpip__priv_8h.html#a3518256af0d1a422755a899b13c2b563">API_VAR_REF</a>(<a class="el" href="../../d1/de8/pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>)</td></tr>
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</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:a55b4de3765c6a37b3f2b26a11603771c"><td class="memItemLeft" align="right" valign="top"><a class="el" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d2/d55/tcpip_8c.html#a55b4de3765c6a37b3f2b26a11603771c">mem_free_callback</a> (void *m)</td></tr>
<tr class="separator:a55b4de3765c6a37b3f2b26a11603771c"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a5cdcb6b784fe0e8736a5b31a5cfbed6c"><td class="memItemLeft" align="right" valign="top"><a class="el" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d2/d55/tcpip_8c.html#a5cdcb6b784fe0e8736a5b31a5cfbed6c">pbuf_free_callback</a> (struct <a class="el" href="../../d9/db8/structpbuf.html">pbuf</a> *p)</td></tr>
<tr class="separator:a5cdcb6b784fe0e8736a5b31a5cfbed6c"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a3d42b0c46607f91aedcc7745ed466b08"><td class="memItemLeft" align="right" valign="top"><a class="el" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d2/d55/tcpip_8c.html#a3d42b0c46607f91aedcc7745ed466b08">tcpip_api_call</a> (<a class="el" href="../../d6/d89/tcpip__priv_8h.html#aa7ecde8c8d8012fe5c498f7ee58f9458">tcpip_api_call_fn</a> fn, struct <a class="el" href="../../d9/d85/structtcpip__api__call__data.html">tcpip_api_call_data</a> *call)</td></tr>
<tr class="separator:a3d42b0c46607f91aedcc7745ed466b08"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ab1d3ef23817d7703fa75ed67bd45ea1d"><td class="memItemLeft" align="right" valign="top"><a class="el" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d2/d55/tcpip_8c.html#ab1d3ef23817d7703fa75ed67bd45ea1d">tcpip_callback_with_block</a> (<a class="el" href="../../d9/db5/tcpip_8h.html#a35203296bb838f3b493839ffc6e7285d">tcpip_callback_fn</a> function, void *ctx, <a class="el" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> block)</td></tr>
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<tr class="memitem:ac5b7a59f4c3f5f721ab9ee81f231c9fd"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d2/d55/tcpip_8c.html#ac5b7a59f4c3f5f721ab9ee81f231c9fd">tcpip_callbackmsg_delete</a> (struct tcpip_callback_msg *msg)</td></tr>
<tr class="separator:ac5b7a59f4c3f5f721ab9ee81f231c9fd"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aee14fa2587a9ba9d23e4c7e16c4526ac"><td class="memItemLeft" align="right" valign="top">struct tcpip_callback_msg * </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d2/d55/tcpip_8c.html#aee14fa2587a9ba9d23e4c7e16c4526ac">tcpip_callbackmsg_new</a> (<a class="el" href="../../d9/db5/tcpip_8h.html#a35203296bb838f3b493839ffc6e7285d">tcpip_callback_fn</a> function, void *ctx)</td></tr>
<tr class="separator:aee14fa2587a9ba9d23e4c7e16c4526ac"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a1f3a88b8df6ba3b9ed1c00e0a305e3db"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d2/d55/tcpip_8c.html#a1f3a88b8df6ba3b9ed1c00e0a305e3db">tcpip_init</a> (<a class="el" href="../../d9/db5/tcpip_8h.html#a5fe07216c441e27c3028bcac60fa0992">tcpip_init_done_fn</a> initfunc, void *arg)</td></tr>
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<tr class="memitem:a93043b3c66dbe4a15a60299c6199d102"><td class="memItemLeft" align="right" valign="top"><a class="el" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d2/d55/tcpip_8c.html#a93043b3c66dbe4a15a60299c6199d102">tcpip_inpkt</a> (struct <a class="el" href="../../d9/db8/structpbuf.html">pbuf</a> *p, struct <a class="el" href="../../d2/dd6/structnetif.html">netif</a> *inp, <a class="el" href="../../d9/d69/netif_8h.html#ab2302b1b64ac7b95f24c6bab754a575e">netif_input_fn</a> input_fn)</td></tr>
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<tr class="memitem:ae510f195171bed8499ae94e264a92717"><td class="memItemLeft" align="right" valign="top"><a class="el" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d2/d55/tcpip_8c.html#ae510f195171bed8499ae94e264a92717">tcpip_input</a> (struct <a class="el" href="../../d9/db8/structpbuf.html">pbuf</a> *p, struct <a class="el" href="../../d2/dd6/structnetif.html">netif</a> *inp)</td></tr>
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<tr class="memitem:a12bdf37eddcd72c4178e3ea7d370395d"><td class="memItemLeft" align="right" valign="top"><a class="el" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d2/d55/tcpip_8c.html#a12bdf37eddcd72c4178e3ea7d370395d">tcpip_send_msg_wait_sem</a> (<a class="el" href="../../d9/db5/tcpip_8h.html#a35203296bb838f3b493839ffc6e7285d">tcpip_callback_fn</a> fn, void *apimsg, <a class="el" href="../../d2/d28/sem_8h.html#a900e36da93bb688c29fc8148f2f44e04">sys_sem_t</a> *sem)</td></tr>
<tr class="separator:a12bdf37eddcd72c4178e3ea7d370395d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:acfc81ad493f68714a22b3b8ea7d04378"><td class="memItemLeft" align="right" valign="top"><a class="el" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d2/d55/tcpip_8c.html#acfc81ad493f68714a22b3b8ea7d04378">tcpip_trycallback</a> (struct tcpip_callback_msg *msg)</td></tr>
<tr class="separator:acfc81ad493f68714a22b3b8ea7d04378"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<h2 class="groupheader">Macro Definition Documentation</h2>
<a id="a509daeff3c37e5659d0decb841b4e262"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a509daeff3c37e5659d0decb841b4e262">◆ </a></span>TCPIP_MBOX_FETCH</h2>
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<td class="memname">#define TCPIP_MBOX_FETCH</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname">mbox, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname">msg </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td>   <a class="el" href="../../d9/d87/sys_8h.html#a5bae9efa9c945dc810665dc4a7e60117">sys_mbox_fetch</a>(mbox, msg)</td>
</tr>
</table>
</div><div class="memdoc">
<p class="definition">Definition at line <a class="el" href="../../d2/d55/tcpip_8c_source.html#l00067">67</a> of file <a class="el" href="../../d2/d55/tcpip_8c_source.html">tcpip.c</a>.</p>
</div>
</div>
<a id="a2485bb329e586fe0b440cff72bf364e4"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a2485bb329e586fe0b440cff72bf364e4">◆ </a></span>TCPIP_MSG_VAR_ALLOC</h2>
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<td class="memname">#define TCPIP_MSG_VAR_ALLOC</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><a class="el" href="../../d1/de8/pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a></td><td>)</td>
<td>   <a class="el" href="../../d6/d89/tcpip__priv_8h.html#a8ff9b936b16d91844c0e32424e97f493">API_VAR_ALLOC</a>(struct <a class="el" href="../../d4/de8/structtcpip__msg.html">tcpip_msg</a>, MEMP_TCPIP_MSG_API, <a class="el" href="../../d1/de8/pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>, <a class="el" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaaaeafdbf3aecc46864daa3cd829c7e05">ERR_MEM</a>)</td>
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</div><div class="memdoc">
<p class="definition">Definition at line <a class="el" href="../../d2/d55/tcpip_8c_source.html#l00049">49</a> of file <a class="el" href="../../d2/d55/tcpip_8c_source.html">tcpip.c</a>.</p>
</div>
</div>
<a id="aecf85047afc1ea35a976f7e279fb0f7b"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aecf85047afc1ea35a976f7e279fb0f7b">◆ </a></span>TCPIP_MSG_VAR_DECLARE</h2>
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<td class="memname">#define TCPIP_MSG_VAR_DECLARE</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><a class="el" href="../../d1/de8/pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a></td><td>)</td>
<td>   <a class="el" href="../../d6/d89/tcpip__priv_8h.html#ab5d4a4fa91c4c144bedabf593a68b4dd">API_VAR_DECLARE</a>(struct <a class="el" href="../../d4/de8/structtcpip__msg.html">tcpip_msg</a>, <a class="el" href="../../d1/de8/pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>)</td>
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</table>
</div><div class="memdoc">
<p class="definition">Definition at line <a class="el" href="../../d2/d55/tcpip_8c_source.html#l00048">48</a> of file <a class="el" href="../../d2/d55/tcpip_8c_source.html">tcpip.c</a>.</p>
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</div>
<a id="acf5d75be78b6af27ca5ed13da28681d4"></a>
<h2 class="memtitle"><span class="permalink"><a href="#acf5d75be78b6af27ca5ed13da28681d4">◆ </a></span>TCPIP_MSG_VAR_FREE</h2>
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<td class="memname">#define TCPIP_MSG_VAR_FREE</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><a class="el" href="../../d1/de8/pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a></td><td>)</td>
<td>   <a class="el" href="../../d6/d89/tcpip__priv_8h.html#a30caebb5334f52d49ac938a507094094">API_VAR_FREE</a>(MEMP_TCPIP_MSG_API, <a class="el" href="../../d1/de8/pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>)</td>
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</div><div class="memdoc">
<p class="definition">Definition at line <a class="el" href="../../d2/d55/tcpip_8c_source.html#l00050">50</a> of file <a class="el" href="../../d2/d55/tcpip_8c_source.html">tcpip.c</a>.</p>
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</div>
<a id="ad42dbf6b1a12f07523637e44cf85756d"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ad42dbf6b1a12f07523637e44cf85756d">◆ </a></span>TCPIP_MSG_VAR_REF</h2>
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<td class="memname">#define TCPIP_MSG_VAR_REF</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><a class="el" href="../../d1/de8/pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a></td><td>)</td>
<td>   <a class="el" href="../../d6/d89/tcpip__priv_8h.html#a3518256af0d1a422755a899b13c2b563">API_VAR_REF</a>(<a class="el" href="../../d1/de8/pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>)</td>
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</table>
</div><div class="memdoc">
<p class="definition">Definition at line <a class="el" href="../../d2/d55/tcpip_8c_source.html#l00047">47</a> of file <a class="el" href="../../d2/d55/tcpip_8c_source.html">tcpip.c</a>.</p>
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</div>
<h2 class="groupheader">Function Documentation</h2>
<a id="a55b4de3765c6a37b3f2b26a11603771c"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a55b4de3765c6a37b3f2b26a11603771c">◆ </a></span>mem_free_callback()</h2>
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<td class="memname"><a class="el" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> mem_free_callback </td>
<td>(</td>
<td class="paramtype">void * </td>
<td class="paramname"><em>m</em></td><td>)</td>
<td></td>
</tr>
</table>
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<p>A simple wrapper function that allows you to free heap memory from interrupt context.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">m</td><td>the heap memory to free </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>ERR_OK if callback could be enqueued, an err_t if not </dd></dl>
<p class="definition">Definition at line <a class="el" href="../../d2/d55/tcpip_8c_source.html#l00491">491</a> of file <a class="el" href="../../d2/d55/tcpip_8c_source.html">tcpip.c</a>.</p>
<p class="reference">References <a class="el" href="../../d3/d8f/mem_8c_source.html#l00419">mem_free()</a>, and <a class="el" href="../../d2/d55/tcpip_8c_source.html#l00229">tcpip_callback_with_block()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a5cdcb6b784fe0e8736a5b31a5cfbed6c">◆ </a></span>pbuf_free_callback()</h2>
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<td class="memname"><a class="el" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> pbuf_free_callback </td>
<td>(</td>
<td class="paramtype">struct <a class="el" href="../../d9/db8/structpbuf.html">pbuf</a> * </td>
<td class="paramname"><em>p</em></td><td>)</td>
<td></td>
</tr>
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<p>A simple wrapper function that allows you to free a pbuf from interrupt context.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">p</td><td>The pbuf (chain) to be dereferenced. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>ERR_OK if callback could be enqueued, an err_t if not </dd></dl>
<p class="definition">Definition at line <a class="el" href="../../d2/d55/tcpip_8c_source.html#l00480">480</a> of file <a class="el" href="../../d2/d55/tcpip_8c_source.html">tcpip.c</a>.</p>
<p class="reference">References <a class="el" href="../../d2/d55/tcpip_8c_source.html#l00229">tcpip_callback_with_block()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a3d42b0c46607f91aedcc7745ed466b08">◆ </a></span>tcpip_api_call()</h2>
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<td class="memname"><a class="el" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> tcpip_api_call </td>
<td>(</td>
<td class="paramtype"><a class="el" href="../../d6/d89/tcpip__priv_8h.html#aa7ecde8c8d8012fe5c498f7ee58f9458">tcpip_api_call_fn</a> </td>
<td class="paramname"><em>fn</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">struct <a class="el" href="../../d9/d85/structtcpip__api__call__data.html">tcpip_api_call_data</a> * </td>
<td class="paramname"><em>call</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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<p>Synchronously calls function in TCPIP thread and waits for its completion. It is recommended to use LWIP_TCPIP_CORE_LOCKING (preferred) or LWIP_NETCONN_SEM_PER_THREAD. If not, a semaphore is created and destroyed on every call which is usually an expensive/slow operation. </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">fn</td><td>Function to call </td></tr>
<tr><td class="paramname">call</td><td>Call parameters </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Return value from tcpip_api_call_fn </dd></dl>
<p class="definition">Definition at line <a class="el" href="../../d2/d55/tcpip_8c_source.html#l00356">356</a> of file <a class="el" href="../../d2/d55/tcpip_8c_source.html">tcpip.c</a>.</p>
<p class="reference">References <a class="el" href="../../d6/d40/err_8h_source.html#l00063">ERR_OK</a>, <a class="el" href="../../d9/db5/tcpip_8h_source.html#l00060">LOCK_TCPIP_CORE</a>, <a class="el" href="../../db/d16/debug_8h_source.html#l00116">LWIP_ASSERT</a>, <a class="el" href="../../d6/d89/tcpip__priv_8h_source.html#l00128">tcpip_msg::msg</a>, <a class="el" href="../../d6/d89/tcpip__priv_8h_source.html#l00102">tcpip_api_call_data::sem</a>, <a class="el" href="../../d9/d87/sys_8h_source.html#l00271">sys_mbox_valid_val</a>, <a class="el" href="../../d9/d56/sys__arch_8c_source.html#l00052">sys_sem_new()</a>, <a class="el" href="../../d2/d55/tcpip_8c_source.html#l00048">TCPIP_MSG_VAR_DECLARE</a>, and <a class="el" href="../../d9/db5/tcpip_8h_source.html#l00061">UNLOCK_TCPIP_CORE</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ab1d3ef23817d7703fa75ed67bd45ea1d">◆ </a></span>tcpip_callback_with_block()</h2>
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<table class="memname">
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<td class="memname"><a class="el" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> tcpip_callback_with_block </td>
<td>(</td>
<td class="paramtype"><a class="el" href="../../d9/db5/tcpip_8h.html#a35203296bb838f3b493839ffc6e7285d">tcpip_callback_fn</a> </td>
<td class="paramname"><em>function</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">void * </td>
<td class="paramname"><em>ctx</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> </td>
<td class="paramname"><em>block</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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</table>
</div><div class="memdoc">
<p>Call a specific function in the thread context of tcpip_thread for easy access synchronization. A function called in that way may access lwIP core code without fearing concurrent access.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">function</td><td>the function to call </td></tr>
<tr><td class="paramname">ctx</td><td>parameter passed to f </td></tr>
<tr><td class="paramname">block</td><td>1 to block until the request is posted, 0 to non-blocking mode </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>ERR_OK if the function was called, another err_t if not </dd></dl>
<p class="definition">Definition at line <a class="el" href="../../d2/d55/tcpip_8c_source.html#l00229">229</a> of file <a class="el" href="../../d2/d55/tcpip_8c_source.html">tcpip.c</a>.</p>
<p class="reference">References <a class="el" href="../../db/d16/debug_8h_source.html#l00116">LWIP_ASSERT</a>, <a class="el" href="../../d6/d89/tcpip__priv_8h_source.html#l00128">tcpip_msg::msg</a>, and <a class="el" href="../../d9/d87/sys_8h_source.html#l00271">sys_mbox_valid_val</a>.</p>
<p class="reference">Referenced by <a class="el" href="../../d2/d55/tcpip_8c_source.html#l00491">mem_free_callback()</a>, and <a class="el" href="../../d2/d55/tcpip_8c_source.html#l00480">pbuf_free_callback()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ac5b7a59f4c3f5f721ab9ee81f231c9fd">◆ </a></span>tcpip_callbackmsg_delete()</h2>
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<td class="memname">void tcpip_callbackmsg_delete </td>
<td>(</td>
<td class="paramtype">struct tcpip_callback_msg * </td>
<td class="paramname"><em>msg</em></td><td>)</td>
<td></td>
</tr>
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</div><div class="memdoc">
<p>Free a callback message allocated by <a class="el" href="../../d2/d55/tcpip_8c.html#aee14fa2587a9ba9d23e4c7e16c4526ac">tcpip_callbackmsg_new()</a>.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">msg</td><td>the message to free </td></tr>
</table>
</dd>
</dl>
<p class="definition">Definition at line <a class="el" href="../../d2/d55/tcpip_8c_source.html#l00421">421</a> of file <a class="el" href="../../d2/d55/tcpip_8c_source.html">tcpip.c</a>.</p>
<p class="reference">References <a class="el" href="../../d1/d70/memp_8c_source.html#l00469">memp_free()</a>, and <a class="el" href="../../d6/d89/tcpip__priv_8h_source.html#l00128">tcpip_msg::msg</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#aee14fa2587a9ba9d23e4c7e16c4526ac">◆ </a></span>tcpip_callbackmsg_new()</h2>
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<td class="memname">struct tcpip_callback_msg* tcpip_callbackmsg_new </td>
<td>(</td>
<td class="paramtype"><a class="el" href="../../d9/db5/tcpip_8h.html#a35203296bb838f3b493839ffc6e7285d">tcpip_callback_fn</a> </td>
<td class="paramname"><em>function</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">void * </td>
<td class="paramname"><em>ctx</em> </td>
</tr>
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<td></td>
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<p>Allocate a structure for a static callback message and initialize it. This is intended to be used to send "static" messages from interrupt context.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">function</td><td>the function to call </td></tr>
<tr><td class="paramname">ctx</td><td>parameter passed to function </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>a struct pointer to pass to <a class="el" href="../../d2/d55/tcpip_8c.html#acfc81ad493f68714a22b3b8ea7d04378">tcpip_trycallback()</a>. </dd></dl>
<p class="definition">Definition at line <a class="el" href="../../d2/d55/tcpip_8c_source.html#l00405">405</a> of file <a class="el" href="../../d2/d55/tcpip_8c_source.html">tcpip.c</a>.</p>
<p class="reference">References <a class="el" href="../../d6/d89/tcpip__priv_8h_source.html#l00142">tcpip_msg::ctx</a>, <a class="el" href="../../d1/d70/memp_8c_source.html#l00385">memp_malloc()</a>, <a class="el" href="../../d6/d89/tcpip__priv_8h_source.html#l00128">tcpip_msg::msg</a>, <a class="el" href="../../d6/d8a/fat__string_8h_source.html#l00017">NULL</a>, and <a class="el" href="../../d6/d89/tcpip__priv_8h_source.html#l00120">TCPIP_MSG_CALLBACK_STATIC</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a1f3a88b8df6ba3b9ed1c00e0a305e3db">◆ </a></span>tcpip_init()</h2>
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<td class="memname">void tcpip_init </td>
<td>(</td>
<td class="paramtype"><a class="el" href="../../d9/db5/tcpip_8h.html#a5fe07216c441e27c3028bcac60fa0992">tcpip_init_done_fn</a> </td>
<td class="paramname"><em>initfunc</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">void * </td>
<td class="paramname"><em>arg</em> </td>
</tr>
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<td></td>
<td>)</td>
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<p>Initialize this module:</p><ul>
<li>initialize all sub modules</li>
<li>start the tcpip_thread</li>
</ul>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">initfunc</td><td>a function to call when tcpip_thread is running and finished initializing </td></tr>
<tr><td class="paramname">arg</td><td>argument to pass to initfunc </td></tr>
</table>
</dd>
</dl>
<p class="definition">Definition at line <a class="el" href="../../d2/d55/tcpip_8c_source.html#l00446">446</a> of file <a class="el" href="../../d2/d55/tcpip_8c_source.html">tcpip.c</a>.</p>
<p class="reference">References <a class="el" href="../../db/d87/core_2init_8c_source.html#l00333">lwip_init()</a>.</p>
<p class="reference">Referenced by <a class="el" href="../../d6/d49/net_2init_8c_source.html#l00052">net_init()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a93043b3c66dbe4a15a60299c6199d102">◆ </a></span>tcpip_inpkt()</h2>
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<td class="memname"><a class="el" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> tcpip_inpkt </td>
<td>(</td>
<td class="paramtype">struct <a class="el" href="../../d9/db8/structpbuf.html">pbuf</a> * </td>
<td class="paramname"><em>p</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">struct <a class="el" href="../../d2/dd6/structnetif.html">netif</a> * </td>
<td class="paramname"><em>inp</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="../../d9/d69/netif_8h.html#ab2302b1b64ac7b95f24c6bab754a575e">netif_input_fn</a> </td>
<td class="paramname"><em>input_fn</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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<p>Pass a received packet to tcpip_thread for input processing</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">p</td><td>the received packet </td></tr>
<tr><td class="paramname">inp</td><td>the network interface on which the packet was received </td></tr>
<tr><td class="paramname">input_fn</td><td>input function to call </td></tr>
</table>
</dd>
</dl>
<p class="definition">Definition at line <a class="el" href="../../d2/d55/tcpip_8c_source.html#l00161">161</a> of file <a class="el" href="../../d2/d55/tcpip_8c_source.html">tcpip.c</a>.</p>
<p class="reference">References <a class="el" href="../../d4/de8/structtcpip__msg.html#a7d9bc654de358efed5d9737a77bd7c71">tcpip_msg::inp</a>, <a class="el" href="../../d6/d89/tcpip__priv_8h_source.html#l00138">tcpip_msg::input_fn</a>, <a class="el" href="../../d9/db5/tcpip_8h_source.html#l00060">LOCK_TCPIP_CORE</a>, <a class="el" href="../../db/d16/debug_8h_source.html#l00116">LWIP_ASSERT</a>, <a class="el" href="../../db/d16/debug_8h_source.html#l00164">LWIP_DEBUGF</a>, <a class="el" href="../../d6/d89/tcpip__priv_8h_source.html#l00128">tcpip_msg::msg</a>, <a class="el" href="../../d6/d89/tcpip__priv_8h_source.html#l00136">tcpip_msg::p</a>, <a class="el" href="../../d9/d87/sys_8h_source.html#l00271">sys_mbox_valid_val</a>, <a class="el" href="../../d2/d78/lwipopts_8h_source.html#l00482">TCPIP_DEBUG</a>, and <a class="el" href="../../d9/db5/tcpip_8h_source.html#l00061">UNLOCK_TCPIP_CORE</a>.</p>
<p class="reference">Referenced by <a class="el" href="../../d2/d55/tcpip_8c_source.html#l00204">tcpip_input()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ae510f195171bed8499ae94e264a92717">◆ </a></span>tcpip_input()</h2>
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<td class="memname"><a class="el" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> tcpip_input </td>
<td>(</td>
<td class="paramtype">struct <a class="el" href="../../d9/db8/structpbuf.html">pbuf</a> * </td>
<td class="paramname"><em>p</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">struct <a class="el" href="../../d2/dd6/structnetif.html">netif</a> * </td>
<td class="paramname"><em>inp</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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<p>Pass a received packet to tcpip_thread for input processing with ethernet_input or ip_input. Don't call directly, pass to <a class="el" href="../../d7/d3a/group__netif.html#ga66970b5877dd6b0cae906bfa78d0cb4c">netif_add()</a> and call netif->input().</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">p</td><td>the received packet, p->payload pointing to the Ethernet header or to an IP header (if inp doesn't have NETIF_FLAG_ETHARP or NETIF_FLAG_ETHERNET flags) </td></tr>
<tr><td class="paramname">inp</td><td>the network interface on which the packet was received </td></tr>
</table>
</dd>
</dl>
<p class="definition">Definition at line <a class="el" href="../../d2/d55/tcpip_8c_source.html#l00204">204</a> of file <a class="el" href="../../d2/d55/tcpip_8c_source.html">tcpip.c</a>.</p>
<p class="reference">References <a class="el" href="../../d4/de8/structtcpip__msg.html#a7d9bc654de358efed5d9737a77bd7c71">tcpip_msg::inp</a>, <a class="el" href="../../d9/d69/netif_8h_source.html#l00099">NETIF_FLAG_ETHARP</a>, <a class="el" href="../../d9/d69/netif_8h_source.html#l00103">NETIF_FLAG_ETHERNET</a>, <a class="el" href="../../d6/d89/tcpip__priv_8h_source.html#l00136">tcpip_msg::p</a>, and <a class="el" href="../../d2/d55/tcpip_8c_source.html#l00161">tcpip_inpkt()</a>.</p>
<p class="reference">Referenced by <a class="el" href="../../d6/d49/net_2init_8c_source.html#l00052">net_init()</a>, and <a class="el" href="../../df/d02/netif_8c_source.html#l00163">netif_init()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a12bdf37eddcd72c4178e3ea7d370395d">◆ </a></span>tcpip_send_msg_wait_sem()</h2>
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<td class="memname"><a class="el" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> tcpip_send_msg_wait_sem </td>
<td>(</td>
<td class="paramtype"><a class="el" href="../../d9/db5/tcpip_8h.html#a35203296bb838f3b493839ffc6e7285d">tcpip_callback_fn</a> </td>
<td class="paramname"><em>fn</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">void * </td>
<td class="paramname"><em>apimsg</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="../../d2/d28/sem_8h.html#a900e36da93bb688c29fc8148f2f44e04">sys_sem_t</a> * </td>
<td class="paramname"><em>sem</em> </td>
</tr>
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<td></td>
<td>)</td>
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<p>Sends a message to TCPIP thread to call a function. Caller thread blocks on on a provided semaphore, which ist NOT automatically signalled by TCPIP thread, this has to be done by the user. It is recommended to use LWIP_TCPIP_CORE_LOCKING since this is the way with least runtime overhead.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">fn</td><td>function to be called from TCPIP thread </td></tr>
<tr><td class="paramname">apimsg</td><td>argument to API function </td></tr>
<tr><td class="paramname">sem</td><td>semaphore to wait on </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>ERR_OK if the function was called, another err_t if not </dd></dl>
<p class="definition">Definition at line <a class="el" href="../../d2/d55/tcpip_8c_source.html#l00322">322</a> of file <a class="el" href="../../d2/d55/tcpip_8c_source.html">tcpip.c</a>.</p>
<p class="reference">References <a class="el" href="../../d6/d40/err_8h_source.html#l00063">ERR_OK</a>, <a class="el" href="../../d9/db5/tcpip_8h_source.html#l00060">LOCK_TCPIP_CORE</a>, <a class="el" href="../../db/d16/debug_8h_source.html#l00116">LWIP_ASSERT</a>, <a class="el" href="../../d2/d2d/arch_8h_source.html#l00315">LWIP_UNUSED_ARG</a>, <a class="el" href="../../d6/d89/tcpip__priv_8h_source.html#l00128">tcpip_msg::msg</a>, <a class="el" href="../../d6/d89/tcpip__priv_8h_source.html#l00133">tcpip_msg::sem</a>, <a class="el" href="../../d9/d87/sys_8h_source.html#l00271">sys_mbox_valid_val</a>, <a class="el" href="../../d9/d56/sys__arch_8c_source.html#l00131">sys_sem_valid()</a>, <a class="el" href="../../d2/d55/tcpip_8c_source.html#l00048">TCPIP_MSG_VAR_DECLARE</a>, and <a class="el" href="../../d9/db5/tcpip_8h_source.html#l00061">UNLOCK_TCPIP_CORE</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#acfc81ad493f68714a22b3b8ea7d04378">◆ </a></span>tcpip_trycallback()</h2>
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<td class="memname"><a class="el" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> tcpip_trycallback </td>
<td>(</td>
<td class="paramtype">struct tcpip_callback_msg * </td>
<td class="paramname"><em>msg</em></td><td>)</td>
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<p>Try to post a callback-message to the tcpip_thread mbox This is intended to be used to send "static" messages from interrupt context.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">msg</td><td>pointer to the message to post </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="../../d8/dc0/group__sys__mbox.html#gacc06f47f34de04084e1d49788ce871b6">sys_mbox_trypost()</a> return code </dd></dl>
<p class="definition">Definition at line <a class="el" href="../../d2/d55/tcpip_8c_source.html#l00432">432</a> of file <a class="el" href="../../d2/d55/tcpip_8c_source.html">tcpip.c</a>.</p>
<p class="reference">References <a class="el" href="../../db/d16/debug_8h_source.html#l00116">LWIP_ASSERT</a>, and <a class="el" href="../../d9/d87/sys_8h_source.html#l00271">sys_mbox_valid_val</a>.</p>
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