Page Comparison

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net_tcp.h/net_tcp.c

Prototype

          CPU_BOOLEAN NetTCP_ConnCfgReTxMaxTimeout(NET_TCP_CONN_ID      conn_id_tcp,
                                                   NET_TCP_TIMEOUT_SEC  timeout_sec,
                                                   NET_ERR             *perr);

Arguments

conn_id_tcp

TCP connection handle ID to configure maximum retransmission timeout value.

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The conn_id_tcp argument represents the TCP connection handle — not the socket handle. The following code may be used to get the TCP connection handle and configure TCP connection parameters (see also NetSock_GetConnTransportID):

          NET_SOCK_ID     sock_id;
          NET_TCP_CONN_ID conn_id_tcp;
          NET_ERR         err;
           
          sock_id     = Application's TCP socket ID; /* Get application's TCP socket     ID. */
                                                     /* Get socket's      TCP connection ID. */
          conn_id_tcp = (NET_TCP_CONN_ID)NetSock_GetConnTransportID(sock_id, &err);
           
          if (err == NET_SOCK_ERR_NONE) { /* If NO errors, ...                                         */
                                          /* ... configure TCP connection maximum re-transmit timeout. */
              NetTCP_ConnCfgReTxMaxTimeout(conn_id_tcp, 30u);
          }

NetTCP_ConnCfgReTxMaxTimeout() is called by application function(s) and must not be called with the global network lock already acquired. It must block all other network protocol tasks by pending on and acquiring the global network lock (see “net.h Note #3”). This is required since an application's network protocol suite API function access is asynchronous to other network protocol tasks.