Inside Linux TCP stack: Overview
Inside Linux TCP stack: Overview
Inside Linux TCP stack: Overview
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tcp_write_xmit()<br />
Key features: Tx data<br />
尝试捎带发送 MTUP<br />
遍历发送队列,发送数据直到违反发送条件<br />
检查是否超过拥塞窗口/发送窗口<br />
如果只有一个 seg ,进行 nagle 检查<br />
如果不是 push 出来的SEG,为了降低TSO分拆<br />
SEG的代价,检查是否可以延缓发包<br />
tcp_transmit_skb()<br />
调整发送队列<br />
重置重传队列
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