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| <div id="projectname">lwIP<span id="projectnumber"> 2.1.3</span> |
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| <div id="projectbrief">Lightweight IP stack</div> |
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| <div class="headertitle"><div class="title">tcpip.h File Reference</div></div> |
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| <div class="textblock"><code>#include "<a class="el" href="opt_8h.html">lwip/opt.h</a>"</code><br /> |
| <code>#include "<a class="el" href="err_8h.html">lwip/err.h</a>"</code><br /> |
| <code>#include "<a class="el" href="timeouts_8h.html">lwip/timeouts.h</a>"</code><br /> |
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| Macros</h2></td></tr> |
| <tr class="memitem:a4700525e737fc025fea4887b172e0c95" id="r_a4700525e737fc025fea4887b172e0c95"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="#a4700525e737fc025fea4887b172e0c95">LOCK_TCPIP_CORE</a>()</td></tr> |
| <tr class="separator:a4700525e737fc025fea4887b172e0c95"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a915effea029b9c4891e1ec635eb1826d" id="r_a915effea029b9c4891e1ec635eb1826d"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="#a915effea029b9c4891e1ec635eb1826d">UNLOCK_TCPIP_CORE</a>()</td></tr> |
| <tr class="separator:a915effea029b9c4891e1ec635eb1826d"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:gacd0a865623921ada2dd08962eb82c9df" id="r_gacd0a865623921ada2dd08962eb82c9df"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__lwip__os.html#gacd0a865623921ada2dd08962eb82c9df">tcpip_callback_with_block</a>(function, ctx, block)</td></tr> |
| <tr class="separator:gacd0a865623921ada2dd08962eb82c9df"><td class="memSeparator" colspan="2"> </td></tr> |
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| <tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="typedef-members" name="typedef-members"></a> |
| Typedefs</h2></td></tr> |
| <tr class="memitem:a5fe07216c441e27c3028bcac60fa0992" id="r_a5fe07216c441e27c3028bcac60fa0992"><td class="memItemLeft" align="right" valign="top">typedef void(* </td><td class="memItemRight" valign="bottom"><a class="el" href="#a5fe07216c441e27c3028bcac60fa0992">tcpip_init_done_fn</a>) (void *arg)</td></tr> |
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| <tr class="memitem:a35203296bb838f3b493839ffc6e7285d" id="r_a35203296bb838f3b493839ffc6e7285d"><td class="memItemLeft" align="right" valign="top">typedef void(* </td><td class="memItemRight" valign="bottom"><a class="el" href="#a35203296bb838f3b493839ffc6e7285d">tcpip_callback_fn</a>) (void *ctx)</td></tr> |
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| </table><table class="memberdecls"> |
| <tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="func-members" name="func-members"></a> |
| Functions</h2></td></tr> |
| <tr class="memitem:ga1f3a88b8df6ba3b9ed1c00e0a305e3db" id="r_ga1f3a88b8df6ba3b9ed1c00e0a305e3db"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__lwip__os.html#ga1f3a88b8df6ba3b9ed1c00e0a305e3db">tcpip_init</a> (<a class="el" href="#a5fe07216c441e27c3028bcac60fa0992">tcpip_init_done_fn</a> tcpip_init_done, void *arg)</td></tr> |
| <tr class="separator:ga1f3a88b8df6ba3b9ed1c00e0a305e3db"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a93043b3c66dbe4a15a60299c6199d102" id="r_a93043b3c66dbe4a15a60299c6199d102"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#a93043b3c66dbe4a15a60299c6199d102">tcpip_inpkt</a> (struct <a class="el" href="structpbuf.html">pbuf</a> *p, struct <a class="el" href="structnetif.html">netif</a> *inp, <a class="el" href="netif_8h.html#ab2302b1b64ac7b95f24c6bab754a575e">netif_input_fn</a> input_fn)</td></tr> |
| <tr class="separator:a93043b3c66dbe4a15a60299c6199d102"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:gae510f195171bed8499ae94e264a92717" id="r_gae510f195171bed8499ae94e264a92717"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__lwip__os.html#gae510f195171bed8499ae94e264a92717">tcpip_input</a> (struct <a class="el" href="structpbuf.html">pbuf</a> *p, struct <a class="el" href="structnetif.html">netif</a> *inp)</td></tr> |
| <tr class="separator:gae510f195171bed8499ae94e264a92717"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:gaeb7b3c7414c76ad8dde14d2fba6cb020" id="r_gaeb7b3c7414c76ad8dde14d2fba6cb020"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__lwip__os.html#gaeb7b3c7414c76ad8dde14d2fba6cb020">tcpip_try_callback</a> (<a class="el" href="#a35203296bb838f3b493839ffc6e7285d">tcpip_callback_fn</a> function, void *ctx)</td></tr> |
| <tr class="separator:gaeb7b3c7414c76ad8dde14d2fba6cb020"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:gaab838fe3417ab3a1f61f0728009a0c2a" id="r_gaab838fe3417ab3a1f61f0728009a0c2a"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__lwip__os.html#gaab838fe3417ab3a1f61f0728009a0c2a">tcpip_callback</a> (<a class="el" href="#a35203296bb838f3b493839ffc6e7285d">tcpip_callback_fn</a> function, void *ctx)</td></tr> |
| <tr class="separator:gaab838fe3417ab3a1f61f0728009a0c2a"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ga07de8751452a8886de85849f79fe23a1" id="r_ga07de8751452a8886de85849f79fe23a1"><td class="memItemLeft" align="right" valign="top">struct tcpip_callback_msg * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__lwip__os.html#ga07de8751452a8886de85849f79fe23a1">tcpip_callbackmsg_new</a> (<a class="el" href="#a35203296bb838f3b493839ffc6e7285d">tcpip_callback_fn</a> function, void *ctx)</td></tr> |
| <tr class="separator:ga07de8751452a8886de85849f79fe23a1"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:gac5b7a59f4c3f5f721ab9ee81f231c9fd" id="r_gac5b7a59f4c3f5f721ab9ee81f231c9fd"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__lwip__os.html#gac5b7a59f4c3f5f721ab9ee81f231c9fd">tcpip_callbackmsg_delete</a> (struct tcpip_callback_msg *msg)</td></tr> |
| <tr class="separator:gac5b7a59f4c3f5f721ab9ee81f231c9fd"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ga83fe5fb2ea33e8c262567ac46f4db3f8" id="r_ga83fe5fb2ea33e8c262567ac46f4db3f8"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__lwip__os.html#ga83fe5fb2ea33e8c262567ac46f4db3f8">tcpip_callbackmsg_trycallback</a> (struct tcpip_callback_msg *msg)</td></tr> |
| <tr class="separator:ga83fe5fb2ea33e8c262567ac46f4db3f8"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ga56a234f3d895791225c3c850bfadb666" id="r_ga56a234f3d895791225c3c850bfadb666"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__lwip__os.html#ga56a234f3d895791225c3c850bfadb666">tcpip_callbackmsg_trycallback_fromisr</a> (struct tcpip_callback_msg *msg)</td></tr> |
| <tr class="separator:ga56a234f3d895791225c3c850bfadb666"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a5cdcb6b784fe0e8736a5b31a5cfbed6c" id="r_a5cdcb6b784fe0e8736a5b31a5cfbed6c"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#a5cdcb6b784fe0e8736a5b31a5cfbed6c">pbuf_free_callback</a> (struct <a class="el" href="structpbuf.html">pbuf</a> *p)</td></tr> |
| <tr class="separator:a5cdcb6b784fe0e8736a5b31a5cfbed6c"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a55b4de3765c6a37b3f2b26a11603771c" id="r_a55b4de3765c6a37b3f2b26a11603771c"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#a55b4de3765c6a37b3f2b26a11603771c">mem_free_callback</a> (void *m)</td></tr> |
| <tr class="separator:a55b4de3765c6a37b3f2b26a11603771c"><td class="memSeparator" colspan="2"> </td></tr> |
| </table><table class="memberdecls"> |
| <tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="var-members" name="var-members"></a> |
| Variables</h2></td></tr> |
| <tr class="memitem:acd7be2108e9a47fd8f1ab0a49f76241d" id="r_acd7be2108e9a47fd8f1ab0a49f76241d"><td class="memItemLeft" align="right" valign="top">sys_mutex_t </td><td class="memItemRight" valign="bottom"><a class="el" href="#acd7be2108e9a47fd8f1ab0a49f76241d">lock_tcpip_core</a></td></tr> |
| <tr class="separator:acd7be2108e9a47fd8f1ab0a49f76241d"><td class="memSeparator" colspan="2"> </td></tr> |
| </table> |
| <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> |
| <div class="textblock"><p>Functions to sync with TCPIP thread </p> |
| </div><h2 class="groupheader">Macro Definition Documentation</h2> |
| <a id="a4700525e737fc025fea4887b172e0c95" name="a4700525e737fc025fea4887b172e0c95"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a4700525e737fc025fea4887b172e0c95">◆ </a></span>LOCK_TCPIP_CORE</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define LOCK_TCPIP_CORE</td> |
| <td>(</td> |
| <td class="paramname"><span class="paramname"><em></em></span></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <b>Value:</b><div class="fragment"><div class="line"><a class="code hl_function" href="group__sys__mutex.html#ga4d4eb9afe5965fa2661dd54ff55d616a">sys_mutex_lock</a>(&<a class="code hl_variable" href="#acd7be2108e9a47fd8f1ab0a49f76241d">lock_tcpip_core</a>)</div> |
| <div class="ttc" id="agroup__sys__mutex_html_ga4d4eb9afe5965fa2661dd54ff55d616a"><div class="ttname"><a href="group__sys__mutex.html#ga4d4eb9afe5965fa2661dd54ff55d616a">sys_mutex_lock</a></div><div class="ttdeci">void sys_mutex_lock(sys_mutex_t *mutex)</div></div> |
| <div class="ttc" id="atcpip_8h_html_acd7be2108e9a47fd8f1ab0a49f76241d"><div class="ttname"><a href="#acd7be2108e9a47fd8f1ab0a49f76241d">lock_tcpip_core</a></div><div class="ttdeci">sys_mutex_t lock_tcpip_core</div><div class="ttdef"><b>Definition</b> tcpip.c:65</div></div> |
| </div><!-- fragment --><p>Lock lwIP core mutex (needs <a class="el" href="group__lwip__opts__lock.html#ga8e46232794349c209e8ed4e9e7e4f011">LWIP_TCPIP_CORE_LOCKING</a> 1) </p> |
| |
| </div> |
| </div> |
| <a id="a915effea029b9c4891e1ec635eb1826d" name="a915effea029b9c4891e1ec635eb1826d"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a915effea029b9c4891e1ec635eb1826d">◆ </a></span>UNLOCK_TCPIP_CORE</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define UNLOCK_TCPIP_CORE</td> |
| <td>(</td> |
| <td class="paramname"><span class="paramname"><em></em></span></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <b>Value:</b><div class="fragment"><div class="line"><a class="code hl_function" href="group__sys__mutex.html#ga5568f68898fe9d5735f9ce2f665624fb">sys_mutex_unlock</a>(&<a class="code hl_variable" href="#acd7be2108e9a47fd8f1ab0a49f76241d">lock_tcpip_core</a>)</div> |
| <div class="ttc" id="agroup__sys__mutex_html_ga5568f68898fe9d5735f9ce2f665624fb"><div class="ttname"><a href="group__sys__mutex.html#ga5568f68898fe9d5735f9ce2f665624fb">sys_mutex_unlock</a></div><div class="ttdeci">void sys_mutex_unlock(sys_mutex_t *mutex)</div></div> |
| </div><!-- fragment --><p>Unlock lwIP core mutex (needs <a class="el" href="group__lwip__opts__lock.html#ga8e46232794349c209e8ed4e9e7e4f011">LWIP_TCPIP_CORE_LOCKING</a> 1) </p> |
| |
| </div> |
| </div> |
| <h2 class="groupheader">Typedef Documentation</h2> |
| <a id="a35203296bb838f3b493839ffc6e7285d" name="a35203296bb838f3b493839ffc6e7285d"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a35203296bb838f3b493839ffc6e7285d">◆ </a></span>tcpip_callback_fn</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">typedef void(* tcpip_callback_fn) (void *ctx)</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Function prototype for functions passed to <a class="el" href="group__lwip__os.html#gaab838fe3417ab3a1f61f0728009a0c2a">tcpip_callback()</a> </p> |
| |
| </div> |
| </div> |
| <a id="a5fe07216c441e27c3028bcac60fa0992" name="a5fe07216c441e27c3028bcac60fa0992"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a5fe07216c441e27c3028bcac60fa0992">◆ </a></span>tcpip_init_done_fn</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">typedef void(* tcpip_init_done_fn) (void *arg)</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Function prototype for the init_done function passed to tcpip_init </p> |
| |
| </div> |
| </div> |
| <h2 class="groupheader">Function Documentation</h2> |
| <a id="a55b4de3765c6a37b3f2b26a11603771c" name="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="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> mem_free_callback </td> |
| <td>(</td> |
| <td class="paramtype">void *</td> <td class="paramname"><span class="paramname"><em>m</em></span></td><td>)</td> |
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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> |
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| </dd> |
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| <dl class="section return"><dt>Returns</dt><dd>ERR_OK if callback could be enqueued, an err_t if not </dd></dl> |
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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="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> pbuf_free_callback </td> |
| <td>(</td> |
| <td class="paramtype">struct <a class="el" href="structpbuf.html">pbuf</a> *</td> <td class="paramname"><span class="paramname"><em>p</em></span></td><td>)</td> |
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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> |
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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="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> tcpip_inpkt </td> |
| <td>(</td> |
| <td class="paramtype">struct <a class="el" href="structpbuf.html">pbuf</a> *</td> <td class="paramname"><span class="paramname"><em>p</em></span>, </td> |
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| <td></td> |
| <td class="paramtype">struct <a class="el" href="structnetif.html">netif</a> *</td> <td class="paramname"><span class="paramname"><em>inp</em></span>, </td> |
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| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"><a class="el" href="netif_8h.html#ab2302b1b64ac7b95f24c6bab754a575e">netif_input_fn</a></td> <td class="paramname"><span class="paramname"><em>input_fn</em></span> )</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> |
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| </div> |
| <h2 class="groupheader">Variable Documentation</h2> |
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| <h2 class="memtitle"><span class="permalink"><a href="#acd7be2108e9a47fd8f1ab0a49f76241d">◆ </a></span>lock_tcpip_core</h2> |
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| <td class="memname">sys_mutex_t lock_tcpip_core</td> |
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| <span class="mlabels"><span class="mlabel">extern</span></span> </td> |
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| <p>The global semaphore to lock the stack. </p> |
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