Description: Ported to embedded system TCPIP protocol source, with detailed Chinese annotations in source code.
Implemented functions:
Support TCP, UDP, IP, ICMP, ARP, ETHERNET, etc. Bsd-compliant Socket API interface function library; ICMP implementation of PING and UDP invalid port return; Support for TCP stream control and timeout retransmission; Support TCP active connection and passive connection; C #1048698 supports the establishment of multiple different TCP connections on multiple tasks to support the simultaneous sending and receiving of data; Provide a sample of WebSever and UDP server.
Not yet implemented:
The processing of IP report does not support the application of segmentation in multiple network interfaces, which is basically equal to the maximum size of the two networks. The ICMP protocol is not very complete and currently the ICMP protocol only supports PING and UDP invalid port. The TCP/IP address does not support the emergency datagram in TCP transmission. The version of ZLG/IP, which does not support the IGMP protocol, does not support IP multicast and broadcast. The data length cannot be greater than the length of a TCP or UDP valid data when the Socket API sending function is sent more than PMTU to send the data with the Socket API.
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