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Linux内核网络udp数据包发送(二)——UDP协议层分析
本文分享了Linux内核网络数据包发送在UDP协议层的处理,主要分析了udp_sendmsg和udp_send_skb函数,并分享了UDP层的数据统计和监控以及socket发送队列大小的调优。 这个函数定义在 net/ipv4/udp.c,函数很长,分段来看。 udp_sendmsg 代码检查 up->pending 以确定 socket 当前是否 ...
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