Chapter 27. TCP Functions
27.1. Introduction
This chapter presents numerous TCP functions that we need to cover before discussing TCP input in the next two chapters:
tcp_drain is the protocol’s drain function, called when the kernel is out of mbufs. It does nothing.
tcp_drop aborts a connection by sending an RST.
tcp_close performs the normal TCP connection termination: send a FIN and wait for the four-way exchange to complete. ...
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