函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\skbuff.h Create Date:2022-07-27 06:52:20
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：__skb_decr_checksum_unnecessary

函数原型：static inline void __skb_decr_checksum_unnecessary(struct sk_buff *skb)

返回类型：void

参数：

类型参数名称
struct sk_buff *skb
3879  如果ip_summed恒等于CHECKSUM_UNNECESSARY则
3880  如果csum_level恒等于0则ip_summed等于Don't change this without changing skb_csum_unnecessary!
3882  否则csum_level自减
调用者
名称描述
__skb_checksum_validate_neededCheck if we need to perform checksum complete validation.* Returns true if checksum complete is needed, false otherwise* (either checksum is unnecessary or zero checksum is allowed).