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|  <span id="projectnumber">2.1.2</span> |
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| <div class="title">tcp_priv.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="tcp_8h.html">lwip/tcp.h</a>"</code><br /> |
| <code>#include "<a class="el" href="mem_8h.html">lwip/mem.h</a>"</code><br /> |
| <code>#include "<a class="el" href="pbuf_8h.html">lwip/pbuf.h</a>"</code><br /> |
| <code>#include "<a class="el" href="ip_8h.html">lwip/ip.h</a>"</code><br /> |
| <code>#include "<a class="el" href="icmp_8h.html">lwip/icmp.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="ip6_8h.html">lwip/ip6.h</a>"</code><br /> |
| <code>#include "<a class="el" href="ip6__addr_8h.html">lwip/ip6_addr.h</a>"</code><br /> |
| <code>#include "<a class="el" href="prot_2tcp_8h.html">lwip/prot/tcp.h</a>"</code><br /> |
| </div><table class="memberdecls"> |
| <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="define-members"></a> |
| Macros</h2></td></tr> |
| <tr class="memitem:afbd7a2997e3a3b7569efc3298e2e409f"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="tcp__priv_8h.html#afbd7a2997e3a3b7569efc3298e2e409f">tcp_do_output_nagle</a>(tpcb)</td></tr> |
| <tr class="separator:afbd7a2997e3a3b7569efc3298e2e409f"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ac9dbdaeac3e25f5badf3a763a1b0b990"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="tcp__priv_8h.html#ac9dbdaeac3e25f5badf3a763a1b0b990">TF_RESET</a>   (u8_t)0x08U /* Connection was reset. */</td></tr> |
| <tr class="separator:ac9dbdaeac3e25f5badf3a763a1b0b990"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a178a6e9966d03c3326b9e0568666bb69"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="tcp__priv_8h.html#a178a6e9966d03c3326b9e0568666bb69">TCP_OVERSIZE_DBGCHECK</a>   0</td></tr> |
| <tr class="separator:a178a6e9966d03c3326b9e0568666bb69"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:aea0c47b916a8a25f82d2063335033aee"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="tcp__priv_8h.html#aea0c47b916a8a25f82d2063335033aee">TCP_CHECKSUM_ON_COPY</a>   (<a class="el" href="group__lwip__opts__checksum.html#ga9f60183f0442bdbeefd6b395c6647613">LWIP_CHECKSUM_ON_COPY</a> && <a class="el" href="group__lwip__opts__checksum.html#ga800069963cc4552b99235237c22f00bb">CHECKSUM_GEN_TCP</a>)</td></tr> |
| <tr class="separator:aea0c47b916a8a25f82d2063335033aee"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:abdc99c343efc6c81abf60bb62b361dd8"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="tcp__priv_8h.html#abdc99c343efc6c81abf60bb62b361dd8">TCP_BUILD_MSS_OPTION</a>(mss)   <a class="el" href="def_8h.html#a95e391e860b519b4f4f5c4979c9c9a37">lwip_htonl</a>(0x02040000 | ((mss) & 0xFFFF))</td></tr> |
| <tr class="separator:abdc99c343efc6c81abf60bb62b361dd8"><td class="memSeparator" colspan="2"> </td></tr> |
| </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:a51de4ded7d342456d31722493c92c969"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="tcp__priv_8h.html#a51de4ded7d342456d31722493c92c969">tcp_init</a> (void)</td></tr> |
| <tr class="separator:a51de4ded7d342456d31722493c92c969"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a3846a756b13214ed88ea47d0ff8279eb"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="tcp__priv_8h.html#a3846a756b13214ed88ea47d0ff8279eb">tcp_tmr</a> (void)</td></tr> |
| <tr class="separator:a3846a756b13214ed88ea47d0ff8279eb"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a421fb42ef919018e14ae413adfee9905"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="tcp__priv_8h.html#a421fb42ef919018e14ae413adfee9905">tcp_slowtmr</a> (void)</td></tr> |
| <tr class="separator:a421fb42ef919018e14ae413adfee9905"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:abf446b07e52161b8a53cea07bc6c366d"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="tcp__priv_8h.html#abf446b07e52161b8a53cea07bc6c366d">tcp_fasttmr</a> (void)</td></tr> |
| <tr class="separator:abf446b07e52161b8a53cea07bc6c366d"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a5ae0268e59fda0665fdd08c6e77ec547"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="tcp__priv_8h.html#a5ae0268e59fda0665fdd08c6e77ec547">tcp_txnow</a> (void)</td></tr> |
| <tr class="separator:a5ae0268e59fda0665fdd08c6e77ec547"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ae70c3c99d9dd6b07f7e11f7ba5eedcb5"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="tcp__priv_8h.html#ae70c3c99d9dd6b07f7e11f7ba5eedcb5">tcp_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:ae70c3c99d9dd6b07f7e11f7ba5eedcb5"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a1dd6830a42b3c464b5a72f62ae312d0a"><td class="memItemLeft" align="right" valign="top">struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="tcp__priv_8h.html#a1dd6830a42b3c464b5a72f62ae312d0a">tcp_alloc</a> (u8_t prio)</td></tr> |
| <tr class="separator:a1dd6830a42b3c464b5a72f62ae312d0a"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:aa2b6b075c27c64dfb8c402ac961fb910"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="tcp__priv_8h.html#aa2b6b075c27c64dfb8c402ac961fb910">tcp_free</a> (struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a> *pcb)</td></tr> |
| <tr class="separator:aa2b6b075c27c64dfb8c402ac961fb910"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ae4f0f1ca01dbccd680eaa2d8433cd7fe"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="tcp__priv_8h.html#ae4f0f1ca01dbccd680eaa2d8433cd7fe">tcp_abandon</a> (struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a> *pcb, int reset)</td></tr> |
| <tr class="separator:ae4f0f1ca01dbccd680eaa2d8433cd7fe"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:aefde3e34b2cc8df9654986484c44a996"><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="tcp__priv_8h.html#aefde3e34b2cc8df9654986484c44a996">tcp_send_empty_ack</a> (struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a> *pcb)</td></tr> |
| <tr class="separator:aefde3e34b2cc8df9654986484c44a996"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:af75fefe4fe509845be156d6e424eb6f1"><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="tcp__priv_8h.html#af75fefe4fe509845be156d6e424eb6f1">tcp_rexmit</a> (struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a> *pcb)</td></tr> |
| <tr class="separator:af75fefe4fe509845be156d6e424eb6f1"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a1f318930bd6d49074343cc79c5166f39"><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="tcp__priv_8h.html#a1f318930bd6d49074343cc79c5166f39">tcp_rexmit_rto_prepare</a> (struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a> *pcb)</td></tr> |
| <tr class="separator:a1f318930bd6d49074343cc79c5166f39"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a9ef9dc094e21bdf0779aed25ab0b08d4"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="tcp__priv_8h.html#a9ef9dc094e21bdf0779aed25ab0b08d4">tcp_rexmit_rto_commit</a> (struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a> *pcb)</td></tr> |
| <tr class="separator:a9ef9dc094e21bdf0779aed25ab0b08d4"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ab5ef9c8ab4629eb721987ae316b9f30f"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="tcp__priv_8h.html#ab5ef9c8ab4629eb721987ae316b9f30f">tcp_rexmit_rto</a> (struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a> *pcb)</td></tr> |
| <tr class="separator:ab5ef9c8ab4629eb721987ae316b9f30f"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:adb6ee7b4d59f125cc8bfac3bb5ca3937"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="tcp__priv_8h.html#adb6ee7b4d59f125cc8bfac3bb5ca3937">tcp_rexmit_fast</a> (struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a> *pcb)</td></tr> |
| <tr class="separator:adb6ee7b4d59f125cc8bfac3bb5ca3937"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a6d2c254b779db4e517cb34e41301588d"><td class="memItemLeft" align="right" valign="top">u32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="tcp__priv_8h.html#a6d2c254b779db4e517cb34e41301588d">tcp_update_rcv_ann_wnd</a> (struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a> *pcb)</td></tr> |
| <tr class="separator:a6d2c254b779db4e517cb34e41301588d"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a0075b56ad4b0eca7c9d439cf150e1973"><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="tcp__priv_8h.html#a0075b56ad4b0eca7c9d439cf150e1973">tcp_process_refused_data</a> (struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a> *pcb)</td></tr> |
| <tr class="separator:a0075b56ad4b0eca7c9d439cf150e1973"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a44fc672b9d14a65e61040707c45302ba"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="tcp__priv_8h.html#a44fc672b9d14a65e61040707c45302ba">tcp_pcb_purge</a> (struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a> *pcb)</td></tr> |
| <tr class="separator:a44fc672b9d14a65e61040707c45302ba"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:aaaef096f6a03bf5b778329bb66ee06f6"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="tcp__priv_8h.html#aaaef096f6a03bf5b778329bb66ee06f6">tcp_pcb_remove</a> (struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a> **pcblist, struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a> *pcb)</td></tr> |
| <tr class="separator:aaaef096f6a03bf5b778329bb66ee06f6"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a3d9bb9809769197bce9b2499d55cf28c"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="tcp__priv_8h.html#a3d9bb9809769197bce9b2499d55cf28c">tcp_segs_free</a> (struct tcp_seg *seg)</td></tr> |
| <tr class="separator:a3d9bb9809769197bce9b2499d55cf28c"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ac6283651b26f74dba2444159aee88b20"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="tcp__priv_8h.html#ac6283651b26f74dba2444159aee88b20">tcp_seg_free</a> (struct tcp_seg *seg)</td></tr> |
| <tr class="separator:ac6283651b26f74dba2444159aee88b20"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a569d79451d2570e4ef406775725ef6ef"><td class="memItemLeft" align="right" valign="top">struct tcp_seg * </td><td class="memItemRight" valign="bottom"><a class="el" href="tcp__priv_8h.html#a569d79451d2570e4ef406775725ef6ef">tcp_seg_copy</a> (struct tcp_seg *seg)</td></tr> |
| <tr class="separator:a569d79451d2570e4ef406775725ef6ef"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:af40ba9d645a8910436c3d7cf13dba342"><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="tcp__priv_8h.html#af40ba9d645a8910436c3d7cf13dba342">tcp_send_fin</a> (struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a> *pcb)</td></tr> |
| <tr class="separator:af40ba9d645a8910436c3d7cf13dba342"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:aa7d5d552647d567095876aab202bfd1a"><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="tcp__priv_8h.html#aa7d5d552647d567095876aab202bfd1a">tcp_enqueue_flags</a> (struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a> *pcb, u8_t flags)</td></tr> |
| <tr class="separator:aa7d5d552647d567095876aab202bfd1a"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:aa90f8051c9633d3017c588245cdc4014"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="tcp__priv_8h.html#aa90f8051c9633d3017c588245cdc4014">tcp_rst</a> (const struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a> *pcb, u32_t seqno, u32_t ackno, const <a class="el" href="group__ipaddr.html#ga16ef96d6cde029029bbf47fee35fd67a">ip_addr_t</a> *local_ip, const <a class="el" href="group__ipaddr.html#ga16ef96d6cde029029bbf47fee35fd67a">ip_addr_t</a> *remote_ip, u16_t local_port, u16_t remote_port)</td></tr> |
| <tr class="separator:aa90f8051c9633d3017c588245cdc4014"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:afd5dc2fa74855a84b2da642ba31059ea"><td class="memItemLeft" align="right" valign="top">u32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="tcp__priv_8h.html#afd5dc2fa74855a84b2da642ba31059ea">tcp_next_iss</a> (struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a> *pcb)</td></tr> |
| <tr class="separator:afd5dc2fa74855a84b2da642ba31059ea"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a0d8bb5fc8522515aa35d305774cc5332"><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="tcp__priv_8h.html#a0d8bb5fc8522515aa35d305774cc5332">tcp_keepalive</a> (struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a> *pcb)</td></tr> |
| <tr class="separator:a0d8bb5fc8522515aa35d305774cc5332"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ac930859c4e4ad9fcf6bb25ef5e91bcd5"><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="tcp__priv_8h.html#ac930859c4e4ad9fcf6bb25ef5e91bcd5">tcp_split_unsent_seg</a> (struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a> *pcb, u16_t split)</td></tr> |
| <tr class="separator:ac930859c4e4ad9fcf6bb25ef5e91bcd5"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a6c20490aa45c771c38ce8ad3031cbdf6"><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="tcp__priv_8h.html#a6c20490aa45c771c38ce8ad3031cbdf6">tcp_zero_window_probe</a> (struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a> *pcb)</td></tr> |
| <tr class="separator:a6c20490aa45c771c38ce8ad3031cbdf6"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a08a3b5396c40f32dd8b21e7d63b3e1b3"><td class="memItemLeft" align="right" valign="top">u16_t </td><td class="memItemRight" valign="bottom"><a class="el" href="tcp__priv_8h.html#a08a3b5396c40f32dd8b21e7d63b3e1b3">tcp_eff_send_mss_netif</a> (u16_t sendmss, struct <a class="el" href="structnetif.html">netif</a> *outif, const <a class="el" href="group__ipaddr.html#ga16ef96d6cde029029bbf47fee35fd67a">ip_addr_t</a> *dest)</td></tr> |
| <tr class="separator:a08a3b5396c40f32dd8b21e7d63b3e1b3"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a0cb3f604fc8d20870d8cab291da5701c"><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="tcp__priv_8h.html#a0cb3f604fc8d20870d8cab291da5701c">tcp_recv_null</a> (void *arg, struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a> *pcb, struct <a class="el" href="structpbuf.html">pbuf</a> *p, <a class="el" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> err)</td></tr> |
| <tr class="separator:a0cb3f604fc8d20870d8cab291da5701c"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a8181bc316fdf61b85f787c5cadfcd249"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="tcp__priv_8h.html#a8181bc316fdf61b85f787c5cadfcd249">tcp_timer_needed</a> (void)</td></tr> |
| <tr class="separator:a8181bc316fdf61b85f787c5cadfcd249"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a4d0c2d1ad02134c79fc72fe95ee2a703"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="tcp__priv_8h.html#a4d0c2d1ad02134c79fc72fe95ee2a703">tcp_netif_ip_addr_changed</a> (const <a class="el" href="group__ipaddr.html#ga16ef96d6cde029029bbf47fee35fd67a">ip_addr_t</a> *old_addr, const <a class="el" href="group__ipaddr.html#ga16ef96d6cde029029bbf47fee35fd67a">ip_addr_t</a> *new_addr)</td></tr> |
| <tr class="separator:a4d0c2d1ad02134c79fc72fe95ee2a703"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a5265b1df024d04287ed3edc02b1b9ccc"><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="tcp__priv_8h.html#a5265b1df024d04287ed3edc02b1b9ccc">tcp_ext_arg_invoke_callbacks_passive_open</a> (struct <a class="el" href="structtcp__pcb__listen.html">tcp_pcb_listen</a> *lpcb, struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a> *cpcb)</td></tr> |
| <tr class="separator:a5265b1df024d04287ed3edc02b1b9ccc"><td class="memSeparator" colspan="2"> </td></tr> |
| </table><table class="memberdecls"> |
| <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="var-members"></a> |
| Variables</h2></td></tr> |
| <tr class="memitem:a1b42a7ac0fc173a42d575f86853d32a8"><td class="memItemLeft" align="right" valign="top">struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="tcp__priv_8h.html#a1b42a7ac0fc173a42d575f86853d32a8">tcp_bound_pcbs</a></td></tr> |
| <tr class="separator:a1b42a7ac0fc173a42d575f86853d32a8"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a96fe1350e510d4308ac9969ffb4c9c81"><td class="memItemLeft" align="right" valign="top">union tcp_listen_pcbs_t </td><td class="memItemRight" valign="bottom"><a class="el" href="tcp__priv_8h.html#a96fe1350e510d4308ac9969ffb4c9c81">tcp_listen_pcbs</a></td></tr> |
| <tr class="separator:a96fe1350e510d4308ac9969ffb4c9c81"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a78c09dbae67ccc06b659d9f1a388f911"><td class="memItemLeft" align="right" valign="top">struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="tcp__priv_8h.html#a78c09dbae67ccc06b659d9f1a388f911">tcp_active_pcbs</a></td></tr> |
| <tr class="separator:a78c09dbae67ccc06b659d9f1a388f911"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a9a522a66c5e1f1a4e28fe7a672cc64e3"><td class="memItemLeft" align="right" valign="top">struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="tcp__priv_8h.html#a9a522a66c5e1f1a4e28fe7a672cc64e3">tcp_tw_pcbs</a></td></tr> |
| <tr class="separator:a9a522a66c5e1f1a4e28fe7a672cc64e3"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:af5e1079ab223e1cb27208c45e3c84df7"><td class="memItemLeft" align="right" valign="top">struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a> **const </td><td class="memItemRight" valign="bottom"><a class="el" href="tcp__priv_8h.html#af5e1079ab223e1cb27208c45e3c84df7">tcp_pcb_lists</a> [4]</td></tr> |
| <tr class="separator:af5e1079ab223e1cb27208c45e3c84df7"><td class="memSeparator" colspan="2"> </td></tr> |
| </table> |
| <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> |
| <div class="textblock"><p>TCP internal implementations (do not use in application code) </p> |
| </div><h2 class="groupheader">Macro Definition Documentation</h2> |
| <a id="abdc99c343efc6c81abf60bb62b361dd8"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#abdc99c343efc6c81abf60bb62b361dd8">◆ </a></span>TCP_BUILD_MSS_OPTION</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define TCP_BUILD_MSS_OPTION</td> |
| <td>(</td> |
| <td class="paramtype"> </td> |
| <td class="paramname">mss</td><td>)</td> |
| <td>   <a class="el" href="def_8h.html#a95e391e860b519b4f4f5c4979c9c9a37">lwip_htonl</a>(0x02040000 | ((mss) & 0xFFFF))</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>This returns a TCP header option for MSS in an u32_t </p> |
| |
| </div> |
| </div> |
| <a id="aea0c47b916a8a25f82d2063335033aee"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#aea0c47b916a8a25f82d2063335033aee">◆ </a></span>TCP_CHECKSUM_ON_COPY</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define TCP_CHECKSUM_ON_COPY   (<a class="el" href="group__lwip__opts__checksum.html#ga9f60183f0442bdbeefd6b395c6647613">LWIP_CHECKSUM_ON_COPY</a> && <a class="el" href="group__lwip__opts__checksum.html#ga800069963cc4552b99235237c22f00bb">CHECKSUM_GEN_TCP</a>)</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Don't generate checksum on copy if CHECKSUM_GEN_TCP is disabled </p> |
| |
| </div> |
| </div> |
| <a id="afbd7a2997e3a3b7569efc3298e2e409f"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#afbd7a2997e3a3b7569efc3298e2e409f">◆ </a></span>tcp_do_output_nagle</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define tcp_do_output_nagle</td> |
| <td>(</td> |
| <td class="paramtype"> </td> |
| <td class="paramname">tpcb</td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <b>Value:</b><div class="fragment"><div class="line">((((tpcb)->unacked == NULL) || \</div><div class="line"> ((tpcb)->flags & (TF_NODELAY | TF_INFR)) || \</div><div class="line"> (((tpcb)->unsent != NULL) && (((tpcb)->unsent->next != NULL) || \</div><div class="line"> ((tpcb)->unsent->len >= (tpcb)->mss))) || \</div><div class="line"> ((<a class="code" href="group__tcp__raw.html#gad1a95f09deb49cd7341d35527d6d3e2f">tcp_sndbuf</a>(tpcb) == 0) || (<a class="code" href="group__tcp__raw.html#ga53ee4364718e84dc42cb1e0179deb1f4">tcp_sndqueuelen</a>(tpcb) >= <a class="code" href="group__lwip__opts__tcp.html#ga9beaa47832ead4180981bfbf71074904">TCP_SND_QUEUELEN</a>)) \</div><div class="line"> ) ? 1 : 0)</div><div class="ttc" id="group__tcp__raw_html_gad1a95f09deb49cd7341d35527d6d3e2f"><div class="ttname"><a href="group__tcp__raw.html#gad1a95f09deb49cd7341d35527d6d3e2f">tcp_sndbuf</a></div><div class="ttdeci">#define tcp_sndbuf(pcb)</div><div class="ttdef"><b>Definition:</b> tcp.h:434</div></div> |
| <div class="ttc" id="group__tcp__raw_html_ga53ee4364718e84dc42cb1e0179deb1f4"><div class="ttname"><a href="group__tcp__raw.html#ga53ee4364718e84dc42cb1e0179deb1f4">tcp_sndqueuelen</a></div><div class="ttdeci">#define tcp_sndqueuelen(pcb)</div><div class="ttdef"><b>Definition:</b> tcp.h:436</div></div> |
| <div class="ttc" id="group__lwip__opts__tcp_html_ga9beaa47832ead4180981bfbf71074904"><div class="ttname"><a href="group__lwip__opts__tcp.html#ga9beaa47832ead4180981bfbf71074904">TCP_SND_QUEUELEN</a></div><div class="ttdeci">#define TCP_SND_QUEUELEN</div><div class="ttdef"><b>Definition:</b> opt.h:1322</div></div> |
| </div><!-- fragment --><p>This is the Nagle algorithm: try to combine user data to send as few TCP segments as possible. Only send if</p><ul> |
| <li>no previously transmitted data on the connection remains unacknowledged or</li> |
| <li>the TF_NODELAY flag is set (nagle algorithm turned off for this pcb) or</li> |
| <li>the only unsent segment is at least pcb->mss bytes long (or there is more than one unsent segment - with lwIP, this can happen although unsent->len < mss)</li> |
| <li>or if we are in fast-retransmit (TF_INFR) </li> |
| </ul> |
| |
| </div> |
| </div> |
| <a id="a178a6e9966d03c3326b9e0568666bb69"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a178a6e9966d03c3326b9e0568666bb69">◆ </a></span>TCP_OVERSIZE_DBGCHECK</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define TCP_OVERSIZE_DBGCHECK   0</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Enabled extra-check for TCP_OVERSIZE if LWIP_DEBUG is enabled </p> |
| |
| </div> |
| </div> |
| <a id="ac9dbdaeac3e25f5badf3a763a1b0b990"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#ac9dbdaeac3e25f5badf3a763a1b0b990">◆ </a></span>TF_RESET</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define TF_RESET   (u8_t)0x08U /* Connection was reset. */</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Flags used on input processing, not on pcb->flags </p> |
| |
| </div> |
| </div> |
| <h2 class="groupheader">Function Documentation</h2> |
| <a id="ae4f0f1ca01dbccd680eaa2d8433cd7fe"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#ae4f0f1ca01dbccd680eaa2d8433cd7fe">◆ </a></span>tcp_abandon()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">void tcp_abandon </td> |
| <td>(</td> |
| <td class="paramtype">struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a> * </td> |
| <td class="paramname"><em>pcb</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">int </td> |
| <td class="paramname"><em>reset</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Abandons a connection and optionally sends a RST to the remote host. Deletes the local protocol control block. This is done when a connection is killed because of shortage of memory.</p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">pcb</td><td>the <a class="el" href="structtcp__pcb.html">tcp_pcb</a> to abort </td></tr> |
| <tr><td class="paramname">reset</td><td>boolean to indicate whether a reset should be sent </td></tr> |
| </table> |
| </dd> |
| </dl> |
| |
| </div> |
| </div> |
| <a id="a1dd6830a42b3c464b5a72f62ae312d0a"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a1dd6830a42b3c464b5a72f62ae312d0a">◆ </a></span>tcp_alloc()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a>* tcp_alloc </td> |
| <td>(</td> |
| <td class="paramtype">u8_t </td> |
| <td class="paramname"><em>prio</em></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Allocate a new <a class="el" href="structtcp__pcb.html">tcp_pcb</a> structure.</p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">prio</td><td>priority for the new pcb </td></tr> |
| </table> |
| </dd> |
| </dl> |
| <dl class="section return"><dt>Returns</dt><dd>a new <a class="el" href="structtcp__pcb.html">tcp_pcb</a> that initially is in state CLOSED </dd></dl> |
| |
| </div> |
| </div> |
| <a id="a08a3b5396c40f32dd8b21e7d63b3e1b3"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a08a3b5396c40f32dd8b21e7d63b3e1b3">◆ </a></span>tcp_eff_send_mss_netif()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">u16_t tcp_eff_send_mss_netif </td> |
| <td>(</td> |
| <td class="paramtype">u16_t </td> |
| <td class="paramname"><em>sendmss</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">struct <a class="el" href="structnetif.html">netif</a> * </td> |
| <td class="paramname"><em>outif</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">const <a class="el" href="group__ipaddr.html#ga16ef96d6cde029029bbf47fee35fd67a">ip_addr_t</a> * </td> |
| <td class="paramname"><em>dest</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Calculates the effective send mss that can be used for a specific IP address by calculating the minimum of TCP_MSS and the mtu (if set) of the target netif (if not NULL). </p> |
| |
| </div> |
| </div> |
| <a id="aa7d5d552647d567095876aab202bfd1a"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#aa7d5d552647d567095876aab202bfd1a">◆ </a></span>tcp_enqueue_flags()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname"><a class="el" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> tcp_enqueue_flags </td> |
| <td>(</td> |
| <td class="paramtype">struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a> * </td> |
| <td class="paramname"><em>pcb</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">u8_t </td> |
| <td class="paramname"><em>flags</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Enqueue SYN or FIN for transmission.</p> |
| <p>Called by <a class="el" href="group__tcp__raw.html#ga9a31deea4cadacd39f9485f37cfdd012">tcp_connect</a>, tcp_listen_input, and <a class="el" href="group__tcp__raw.html#ga87093e137fcc53ea82a134a3f5b33623">tcp_close</a> (via <a class="el" href="tcp__priv_8h.html#af40ba9d645a8910436c3d7cf13dba342">tcp_send_fin</a>)</p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">pcb</td><td>Protocol control block for the TCP connection. </td></tr> |
| <tr><td class="paramname">flags</td><td>TCP header flags to set in the outgoing segment. </td></tr> |
| </table> |
| </dd> |
| </dl> |
| |
| </div> |
| </div> |
| <a id="a5265b1df024d04287ed3edc02b1b9ccc"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a5265b1df024d04287ed3edc02b1b9ccc">◆ </a></span>tcp_ext_arg_invoke_callbacks_passive_open()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname"><a class="el" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> tcp_ext_arg_invoke_callbacks_passive_open </td> |
| <td>(</td> |
| <td class="paramtype">struct <a class="el" href="structtcp__pcb__listen.html">tcp_pcb_listen</a> * </td> |
| <td class="paramname"><em>lpcb</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a> * </td> |
| <td class="paramname"><em>cpcb</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>This function calls the "passive_open" callback for all ext_args if a connection is in the process of being accepted. This is called just after the SYN is received and before a SYN/ACK is sent, to allow to modify the very first segment sent even on passive open. Naturally, the "accepted" callback of the pcb has not been called yet! </p> |
| |
| </div> |
| </div> |
| <a id="abf446b07e52161b8a53cea07bc6c366d"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#abf446b07e52161b8a53cea07bc6c366d">◆ </a></span>tcp_fasttmr()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">void tcp_fasttmr </td> |
| <td>(</td> |
| <td class="paramtype">void </td> |
| <td class="paramname"></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Is called every TCP_FAST_INTERVAL (250 ms) and process data previously "refused" by upper layer (application) and sends delayed ACKs or pending FINs.</p> |
| <p>Automatically called from <a class="el" href="tcp_8c.html#a3846a756b13214ed88ea47d0ff8279eb">tcp_tmr()</a>. </p> |
| |
| </div> |
| </div> |
| <a id="aa2b6b075c27c64dfb8c402ac961fb910"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#aa2b6b075c27c64dfb8c402ac961fb910">◆ </a></span>tcp_free()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">void tcp_free </td> |
| <td>(</td> |
| <td class="paramtype">struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a> * </td> |
| <td class="paramname"><em>pcb</em></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Free a tcp pcb </p> |
| |
| </div> |
| </div> |
| <a id="a51de4ded7d342456d31722493c92c969"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a51de4ded7d342456d31722493c92c969">◆ </a></span>tcp_init()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">void tcp_init </td> |
| <td>(</td> |
| <td class="paramtype">void </td> |
| <td class="paramname"></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Initialize this module. </p> |
| |
| </div> |
| </div> |
| <a id="ae70c3c99d9dd6b07f7e11f7ba5eedcb5"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#ae70c3c99d9dd6b07f7e11f7ba5eedcb5">◆ </a></span>tcp_input()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">void tcp_input </td> |
| <td>(</td> |
| <td class="paramtype">struct <a class="el" href="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="structnetif.html">netif</a> * </td> |
| <td class="paramname"><em>inp</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>The initial input processing of TCP. It verifies the TCP header, demultiplexes the segment between the PCBs and passes it on to tcp_process(), which implements the TCP finite state machine. This function is called by the IP layer (in <a class="el" href="group__lwip__nosys.html#ga3c420dab0c6760df099a2d688fa42a26">ip_input()</a>).</p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">p</td><td>received TCP segment to process (p->payload pointing to the TCP header) </td></tr> |
| <tr><td class="paramname">inp</td><td>network interface on which this segment was received </td></tr> |
| </table> |
| </dd> |
| </dl> |
| |
| </div> |
| </div> |
| <a id="a0d8bb5fc8522515aa35d305774cc5332"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a0d8bb5fc8522515aa35d305774cc5332">◆ </a></span>tcp_keepalive()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname"><a class="el" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> tcp_keepalive </td> |
| <td>(</td> |
| <td class="paramtype">struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a> * </td> |
| <td class="paramname"><em>pcb</em></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Send keepalive packets to keep a connection active although no data is sent over it.</p> |
| <p>Called by <a class="el" href="tcp_8c.html#a421fb42ef919018e14ae413adfee9905">tcp_slowtmr()</a></p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">pcb</td><td>the <a class="el" href="structtcp__pcb.html">tcp_pcb</a> for which to send a keepalive packet </td></tr> |
| </table> |
| </dd> |
| </dl> |
| |
| </div> |
| </div> |
| <a id="a4d0c2d1ad02134c79fc72fe95ee2a703"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a4d0c2d1ad02134c79fc72fe95ee2a703">◆ </a></span>tcp_netif_ip_addr_changed()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">void tcp_netif_ip_addr_changed </td> |
| <td>(</td> |
| <td class="paramtype">const <a class="el" href="group__ipaddr.html#ga16ef96d6cde029029bbf47fee35fd67a">ip_addr_t</a> * </td> |
| <td class="paramname"><em>old_addr</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">const <a class="el" href="group__ipaddr.html#ga16ef96d6cde029029bbf47fee35fd67a">ip_addr_t</a> * </td> |
| <td class="paramname"><em>new_addr</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>This function is called from <a class="el" href="netif_8c.html">netif.c</a> when address is changed or netif is removed</p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">old_addr</td><td>IP address of the netif before change </td></tr> |
| <tr><td class="paramname">new_addr</td><td>IP address of the netif after change or NULL if netif has been removed </td></tr> |
| </table> |
| </dd> |
| </dl> |
| |
| </div> |
| </div> |
| <a id="afd5dc2fa74855a84b2da642ba31059ea"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#afd5dc2fa74855a84b2da642ba31059ea">◆ </a></span>tcp_next_iss()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">u32_t tcp_next_iss </td> |
| <td>(</td> |
| <td class="paramtype">struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a> * </td> |
| <td class="paramname"><em>pcb</em></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Calculates a new initial sequence number for new connections.</p> |
| <dl class="section return"><dt>Returns</dt><dd>u32_t pseudo random sequence number </dd></dl> |
| |
| </div> |
| </div> |
| <a id="a44fc672b9d14a65e61040707c45302ba"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a44fc672b9d14a65e61040707c45302ba">◆ </a></span>tcp_pcb_purge()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">void tcp_pcb_purge </td> |
| <td>(</td> |
| <td class="paramtype">struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a> * </td> |
| <td class="paramname"><em>pcb</em></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Purges a TCP PCB. Removes any buffered data and frees the buffer memory (pcb->ooseq, pcb->unsent and pcb->unacked are freed).</p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">pcb</td><td><a class="el" href="structtcp__pcb.html">tcp_pcb</a> to purge. The pcb itself is not deallocated! </td></tr> |
| </table> |
| </dd> |
| </dl> |
| |
| </div> |
| </div> |
| <a id="aaaef096f6a03bf5b778329bb66ee06f6"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#aaaef096f6a03bf5b778329bb66ee06f6">◆ </a></span>tcp_pcb_remove()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">void tcp_pcb_remove </td> |
| <td>(</td> |
| <td class="paramtype">struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a> ** </td> |
| <td class="paramname"><em>pcblist</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a> * </td> |
| <td class="paramname"><em>pcb</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Purges the PCB and removes it from a PCB list. Any delayed ACKs are sent first.</p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">pcblist</td><td>PCB list to purge. </td></tr> |
| <tr><td class="paramname">pcb</td><td><a class="el" href="structtcp__pcb.html">tcp_pcb</a> to purge. The pcb itself is NOT deallocated! </td></tr> |
| </table> |
| </dd> |
| </dl> |
| |
| </div> |
| </div> |
| <a id="a0075b56ad4b0eca7c9d439cf150e1973"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a0075b56ad4b0eca7c9d439cf150e1973">◆ </a></span>tcp_process_refused_data()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname"><a class="el" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> tcp_process_refused_data </td> |
| <td>(</td> |
| <td class="paramtype">struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a> * </td> |
| <td class="paramname"><em>pcb</em></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Pass pcb->refused_data to the recv callback </p> |
| |
| </div> |
| </div> |
| <a id="a0cb3f604fc8d20870d8cab291da5701c"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a0cb3f604fc8d20870d8cab291da5701c">◆ </a></span>tcp_recv_null()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname"><a class="el" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> tcp_recv_null </td> |
| <td>(</td> |
| <td class="paramtype">void * </td> |
| <td class="paramname"><em>arg</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a> * </td> |
| <td class="paramname"><em>pcb</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">struct <a class="el" href="structpbuf.html">pbuf</a> * </td> |
| <td class="paramname"><em>p</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"><a class="el" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> </td> |
| <td class="paramname"><em>err</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Default receive callback that is called if the user didn't register a recv callback for the pcb. </p> |
| |
| </div> |
| </div> |
| <a id="af75fefe4fe509845be156d6e424eb6f1"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#af75fefe4fe509845be156d6e424eb6f1">◆ </a></span>tcp_rexmit()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname"><a class="el" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> tcp_rexmit </td> |
| <td>(</td> |
| <td class="paramtype">struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a> * </td> |
| <td class="paramname"><em>pcb</em></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Requeue the first unacked segment for retransmission</p> |
| <p>Called by tcp_receive() for fast retransmit.</p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">pcb</td><td>the <a class="el" href="structtcp__pcb.html">tcp_pcb</a> for which to retransmit the first unacked segment </td></tr> |
| </table> |
| </dd> |
| </dl> |
| |
| </div> |
| </div> |
| <a id="adb6ee7b4d59f125cc8bfac3bb5ca3937"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#adb6ee7b4d59f125cc8bfac3bb5ca3937">◆ </a></span>tcp_rexmit_fast()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">void tcp_rexmit_fast </td> |
| <td>(</td> |
| <td class="paramtype">struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a> * </td> |
| <td class="paramname"><em>pcb</em></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Handle retransmission after three dupacks received</p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">pcb</td><td>the <a class="el" href="structtcp__pcb.html">tcp_pcb</a> for which to retransmit the first unacked segment </td></tr> |
| </table> |
| </dd> |
| </dl> |
| |
| </div> |
| </div> |
| <a id="ab5ef9c8ab4629eb721987ae316b9f30f"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#ab5ef9c8ab4629eb721987ae316b9f30f">◆ </a></span>tcp_rexmit_rto()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">void tcp_rexmit_rto </td> |
| <td>(</td> |
| <td class="paramtype">struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a> * </td> |
| <td class="paramname"><em>pcb</em></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Requeue all unacked segments for retransmission</p> |
| <p>Called by tcp_process() only, <a class="el" href="tcp_8c.html#a421fb42ef919018e14ae413adfee9905">tcp_slowtmr()</a> needs to do some things between "prepare" and "commit".</p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">pcb</td><td>the <a class="el" href="structtcp__pcb.html">tcp_pcb</a> for which to re-enqueue all unacked segments </td></tr> |
| </table> |
| </dd> |
| </dl> |
| |
| </div> |
| </div> |
| <a id="a9ef9dc094e21bdf0779aed25ab0b08d4"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a9ef9dc094e21bdf0779aed25ab0b08d4">◆ </a></span>tcp_rexmit_rto_commit()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">void tcp_rexmit_rto_commit </td> |
| <td>(</td> |
| <td class="paramtype">struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a> * </td> |
| <td class="paramname"><em>pcb</em></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Requeue all unacked segments for retransmission</p> |
| <p>Called by <a class="el" href="tcp_8c.html#a421fb42ef919018e14ae413adfee9905">tcp_slowtmr()</a> for slow retransmission.</p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">pcb</td><td>the <a class="el" href="structtcp__pcb.html">tcp_pcb</a> for which to re-enqueue all unacked segments </td></tr> |
| </table> |
| </dd> |
| </dl> |
| |
| </div> |
| </div> |
| <a id="a1f318930bd6d49074343cc79c5166f39"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a1f318930bd6d49074343cc79c5166f39">◆ </a></span>tcp_rexmit_rto_prepare()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname"><a class="el" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> tcp_rexmit_rto_prepare </td> |
| <td>(</td> |
| <td class="paramtype">struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a> * </td> |
| <td class="paramname"><em>pcb</em></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Requeue all unacked segments for retransmission</p> |
| <p>Called by <a class="el" href="tcp_8c.html#a421fb42ef919018e14ae413adfee9905">tcp_slowtmr()</a> for slow retransmission.</p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">pcb</td><td>the <a class="el" href="structtcp__pcb.html">tcp_pcb</a> for which to re-enqueue all unacked segments </td></tr> |
| </table> |
| </dd> |
| </dl> |
| |
| </div> |
| </div> |
| <a id="aa90f8051c9633d3017c588245cdc4014"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#aa90f8051c9633d3017c588245cdc4014">◆ </a></span>tcp_rst()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">void tcp_rst </td> |
| <td>(</td> |
| <td class="paramtype">const struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a> * </td> |
| <td class="paramname"><em>pcb</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">u32_t </td> |
| <td class="paramname"><em>seqno</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">u32_t </td> |
| <td class="paramname"><em>ackno</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">const <a class="el" href="group__ipaddr.html#ga16ef96d6cde029029bbf47fee35fd67a">ip_addr_t</a> * </td> |
| <td class="paramname"><em>local_ip</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">const <a class="el" href="group__ipaddr.html#ga16ef96d6cde029029bbf47fee35fd67a">ip_addr_t</a> * </td> |
| <td class="paramname"><em>remote_ip</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">u16_t </td> |
| <td class="paramname"><em>local_port</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">u16_t </td> |
| <td class="paramname"><em>remote_port</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Send a TCP RESET packet (empty segment with RST flag set) either to abort a connection or to show that there is no matching local connection for a received segment.</p> |
| <p>Called by <a class="el" href="group__tcp__raw.html#ga468c2260ddb01582e966ddcf3c25ce61">tcp_abort()</a> (to abort a local connection), <a class="el" href="tcp__in_8c.html#ae70c3c99d9dd6b07f7e11f7ba5eedcb5">tcp_input()</a> (if no matching local pcb was found), tcp_listen_input() (if incoming segment has ACK flag set) and tcp_process() (received segment in the wrong state)</p> |
| <p>Since a RST segment is in most cases not sent for an active connection, <a class="el" href="tcp__out_8c.html#aa90f8051c9633d3017c588245cdc4014">tcp_rst()</a> has a number of arguments that are taken from a <a class="el" href="structtcp__pcb.html">tcp_pcb</a> for most other segment output functions.</p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">pcb</td><td>TCP pcb (may be NULL if no pcb is available) </td></tr> |
| <tr><td class="paramname">seqno</td><td>the sequence number to use for the outgoing segment </td></tr> |
| <tr><td class="paramname">ackno</td><td>the acknowledge number to use for the outgoing segment </td></tr> |
| <tr><td class="paramname">local_ip</td><td>the local IP address to send the segment from </td></tr> |
| <tr><td class="paramname">remote_ip</td><td>the remote IP address to send the segment to </td></tr> |
| <tr><td class="paramname">local_port</td><td>the local TCP port to send the segment from </td></tr> |
| <tr><td class="paramname">remote_port</td><td>the remote TCP port to send the segment to </td></tr> |
| </table> |
| </dd> |
| </dl> |
| |
| </div> |
| </div> |
| <a id="a569d79451d2570e4ef406775725ef6ef"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a569d79451d2570e4ef406775725ef6ef">◆ </a></span>tcp_seg_copy()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">struct tcp_seg* tcp_seg_copy </td> |
| <td>(</td> |
| <td class="paramtype">struct tcp_seg * </td> |
| <td class="paramname"><em>seg</em></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Returns a copy of the given TCP segment. The pbuf and data are not copied, only the pointers</p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">seg</td><td>the old tcp_seg </td></tr> |
| </table> |
| </dd> |
| </dl> |
| <dl class="section return"><dt>Returns</dt><dd>a copy of seg </dd></dl> |
| |
| </div> |
| </div> |
| <a id="ac6283651b26f74dba2444159aee88b20"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#ac6283651b26f74dba2444159aee88b20">◆ </a></span>tcp_seg_free()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">void tcp_seg_free </td> |
| <td>(</td> |
| <td class="paramtype">struct tcp_seg * </td> |
| <td class="paramname"><em>seg</em></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Frees a TCP segment (tcp_seg structure).</p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">seg</td><td>single tcp_seg to free </td></tr> |
| </table> |
| </dd> |
| </dl> |
| |
| </div> |
| </div> |
| <a id="a3d9bb9809769197bce9b2499d55cf28c"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a3d9bb9809769197bce9b2499d55cf28c">◆ </a></span>tcp_segs_free()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">void tcp_segs_free </td> |
| <td>(</td> |
| <td class="paramtype">struct tcp_seg * </td> |
| <td class="paramname"><em>seg</em></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Deallocates a list of TCP segments (tcp_seg structures).</p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">seg</td><td>tcp_seg list of TCP segments to free </td></tr> |
| </table> |
| </dd> |
| </dl> |
| |
| </div> |
| </div> |
| <a id="aefde3e34b2cc8df9654986484c44a996"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#aefde3e34b2cc8df9654986484c44a996">◆ </a></span>tcp_send_empty_ack()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname"><a class="el" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> tcp_send_empty_ack </td> |
| <td>(</td> |
| <td class="paramtype">struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a> * </td> |
| <td class="paramname"><em>pcb</em></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Send an ACK without data.</p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">pcb</td><td>Protocol control block for the TCP connection to send the ACK </td></tr> |
| </table> |
| </dd> |
| </dl> |
| |
| </div> |
| </div> |
| <a id="af40ba9d645a8910436c3d7cf13dba342"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#af40ba9d645a8910436c3d7cf13dba342">◆ </a></span>tcp_send_fin()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname"><a class="el" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> tcp_send_fin </td> |
| <td>(</td> |
| <td class="paramtype">struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a> * </td> |
| <td class="paramname"><em>pcb</em></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Called by <a class="el" href="group__tcp__raw.html#ga87093e137fcc53ea82a134a3f5b33623">tcp_close()</a> to send a segment including FIN flag but not data. This FIN may be added to an existing segment or a new, otherwise empty segment is enqueued.</p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">pcb</td><td>the <a class="el" href="structtcp__pcb.html">tcp_pcb</a> over which to send a segment </td></tr> |
| </table> |
| </dd> |
| </dl> |
| <dl class="section return"><dt>Returns</dt><dd>ERR_OK if sent, another err_t otherwise </dd></dl> |
| |
| </div> |
| </div> |
| <a id="a421fb42ef919018e14ae413adfee9905"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a421fb42ef919018e14ae413adfee9905">◆ </a></span>tcp_slowtmr()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">void tcp_slowtmr </td> |
| <td>(</td> |
| <td class="paramtype">void </td> |
| <td class="paramname"></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Called every 500 ms and implements the retransmission timer and the timer that removes PCBs that have been in TIME-WAIT for enough time. It also increments various timers such as the inactivity timer in each PCB.</p> |
| <p>Automatically called from <a class="el" href="tcp_8c.html#a3846a756b13214ed88ea47d0ff8279eb">tcp_tmr()</a>. </p> |
| |
| </div> |
| </div> |
| <a id="ac930859c4e4ad9fcf6bb25ef5e91bcd5"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#ac930859c4e4ad9fcf6bb25ef5e91bcd5">◆ </a></span>tcp_split_unsent_seg()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname"><a class="el" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> tcp_split_unsent_seg </td> |
| <td>(</td> |
| <td class="paramtype">struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a> * </td> |
| <td class="paramname"><em>pcb</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">u16_t </td> |
| <td class="paramname"><em>split</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Split segment on the head of the unsent queue. If return is not ERR_OK, existing head remains intact</p> |
| <p>The split is accomplished by creating a new TCP segment and pbuf which holds the remainder payload after the split. The original pbuf is trimmed to new length. This allows splitting of read-only pbufs</p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">pcb</td><td>the <a class="el" href="structtcp__pcb.html">tcp_pcb</a> for which to split the unsent head </td></tr> |
| <tr><td class="paramname">split</td><td>the amount of payload to remain in the head </td></tr> |
| </table> |
| </dd> |
| </dl> |
| |
| </div> |
| </div> |
| <a id="a8181bc316fdf61b85f787c5cadfcd249"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a8181bc316fdf61b85f787c5cadfcd249">◆ </a></span>tcp_timer_needed()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">void tcp_timer_needed </td> |
| <td>(</td> |
| <td class="paramtype">void </td> |
| <td class="paramname"></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>External function (implemented in timers.c), called when TCP detects that a timer is needed (i.e. active- or time-wait-pcb found).</p> |
| <p>Called from TCP_REG when registering a new PCB: the reason is to have the TCP timer only running when there are active (or time-wait) PCBs. </p> |
| |
| </div> |
| </div> |
| <a id="a3846a756b13214ed88ea47d0ff8279eb"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a3846a756b13214ed88ea47d0ff8279eb">◆ </a></span>tcp_tmr()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">void tcp_tmr </td> |
| <td>(</td> |
| <td class="paramtype">void </td> |
| <td class="paramname"></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Called periodically to dispatch TCP timers. </p> |
| |
| </div> |
| </div> |
| <a id="a5ae0268e59fda0665fdd08c6e77ec547"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a5ae0268e59fda0665fdd08c6e77ec547">◆ </a></span>tcp_txnow()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">void tcp_txnow </td> |
| <td>(</td> |
| <td class="paramtype">void </td> |
| <td class="paramname"></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Call tcp_output for all active pcbs that have TF_NAGLEMEMERR set </p> |
| |
| </div> |
| </div> |
| <a id="a6d2c254b779db4e517cb34e41301588d"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a6d2c254b779db4e517cb34e41301588d">◆ </a></span>tcp_update_rcv_ann_wnd()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">u32_t tcp_update_rcv_ann_wnd </td> |
| <td>(</td> |
| <td class="paramtype">struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a> * </td> |
| <td class="paramname"><em>pcb</em></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Update the state that tracks the available window space to advertise.</p> |
| <p>Returns how much extra window would be advertised if we sent an update now. </p> |
| |
| </div> |
| </div> |
| <a id="a6c20490aa45c771c38ce8ad3031cbdf6"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a6c20490aa45c771c38ce8ad3031cbdf6">◆ </a></span>tcp_zero_window_probe()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname"><a class="el" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> tcp_zero_window_probe </td> |
| <td>(</td> |
| <td class="paramtype">struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a> * </td> |
| <td class="paramname"><em>pcb</em></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Send persist timer zero-window probes to keep a connection active when a window update is lost.</p> |
| <p>Called by <a class="el" href="tcp_8c.html#a421fb42ef919018e14ae413adfee9905">tcp_slowtmr()</a></p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">pcb</td><td>the <a class="el" href="structtcp__pcb.html">tcp_pcb</a> for which to send a zero-window probe packet </td></tr> |
| </table> |
| </dd> |
| </dl> |
| |
| </div> |
| </div> |
| <h2 class="groupheader">Variable Documentation</h2> |
| <a id="a78c09dbae67ccc06b659d9f1a388f911"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a78c09dbae67ccc06b659d9f1a388f911">◆ </a></span>tcp_active_pcbs</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a>* tcp_active_pcbs</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>List of all TCP PCBs that are in a state in which they accept or send data. </p> |
| |
| </div> |
| </div> |
| <a id="a1b42a7ac0fc173a42d575f86853d32a8"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a1b42a7ac0fc173a42d575f86853d32a8">◆ </a></span>tcp_bound_pcbs</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a>* tcp_bound_pcbs</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>List of all TCP PCBs bound but not yet (connected || listening) </p> |
| |
| </div> |
| </div> |
| <a id="a96fe1350e510d4308ac9969ffb4c9c81"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a96fe1350e510d4308ac9969ffb4c9c81">◆ </a></span>tcp_listen_pcbs</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">union tcp_listen_pcbs_t tcp_listen_pcbs</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>List of all TCP PCBs in LISTEN state </p> |
| |
| </div> |
| </div> |
| <a id="af5e1079ab223e1cb27208c45e3c84df7"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#af5e1079ab223e1cb27208c45e3c84df7">◆ </a></span>tcp_pcb_lists</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a>** const tcp_pcb_lists[4]</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>An array with all (non-temporary) PCB lists, mainly used for smaller code size </p> |
| |
| </div> |
| </div> |
| <a id="a9a522a66c5e1f1a4e28fe7a672cc64e3"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a9a522a66c5e1f1a4e28fe7a672cc64e3">◆ </a></span>tcp_tw_pcbs</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">struct <a class="el" href="structtcp__pcb.html">tcp_pcb</a>* tcp_tw_pcbs</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>List of all TCP PCBs in TIME-WAIT state </p> |
| |
| </div> |
| </div> |
| </div><!-- contents --> |
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