函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\net\tcp.h Create Date:2022-07-27 07:40:27
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：keepalive_time_elapsed

函数原型：static inline u32 keepalive_time_elapsed(const struct tcp_sock *tp)

返回类型：u32

参数：

类型参数名称
const struct tcp_sock *tp
1440  icsk等于 inet_connection_sock has to be the first member of tcp_sock
1442  返回:min_t - return minimum of two values, using the specified type*@type: data type to use*@x: first value*@y: second value(u32, TCP uses 32bit jiffies to save some space.* Note that this is different from tcp_time_stamp, which* historically has been the same until linux-4.13. - timestamp of last received data packet , TCP uses 32bit jiffies to save some space.* Note that this is different from tcp_time_stamp, which* historically has been the same until linux-4.13. - timestamp of last received ACK (for keepalives) )