SNIP_CLASSIC_ETH_SECTION_9_3_Reception

9.3 Reception «module» :EthIf «module» :TcpIp «module» :SoAd
                                   
                                 
                                                  opt TCP socket EthIf_Transmit(Std_ReturnType, uint8, Eth_BufIdxType, Eth_FrameType, boolean, uint16, const uint8*) SoAd_RxIndication(TcpIp_SocketIdType, TcpIp_SockAddrType, uint8*, uint16) EthIf_ProvideTxBuffer(BufReq_ReturnType, uint8, Eth_FrameType, uint8, Eth_BufIdxType**, uint8***, uint16**) TcpIp_TcpReceived(Std_ReturnType, TcpIp_SocketIdType, uint32) EthIf_MainFunctionRx() TcpIp_RxIndication(uint8, Eth_FrameType, boolean, const uint8*, const uint8*, uint16) TcpIp_MainFunction() SoAd_MainFunction() Figure 9.3: TcpIp Rx Note: Even it is not shown in the sequence diagram of section section 9.3, TcpIp may decouple the data reception if required. E.g. for reassembling of incoming IP datagrams that are fragmented, TcpIp shall copy the received data to a TcpIp buffer and decouple TcpIp_RxIndication() from SoAd_RxIndication().