函数逻辑报告

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v5.5.9

Brick Technologies Co., Ltd

Source Code:include\net\checksum.h Create Date:2022-07-27 06:51:25
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：csum_block_add

函数原型：static inline __wsum csum_block_add(__wsum csum, __wsum csum2, int offset)

返回类型：__wsum

参数：

类型参数名称
__wsumcsum
__wsumcsum2
intoffset
86  sum等于csum2
89  如果offset按位与1则sum等于r32 - rotate a 32-bit value right*@word: value to rotate*@shift: bits to roll
92  返回:csum_add(csum, (__force__wsum)sum)
调用者
名称描述
csum_and_memcpy
csum_and_copy_from_iter
csum_and_copy_from_iter_full
csum_and_copy_to_iter
csum_block_add_ext
csum_block_sub
skb_add_data
__skb_postpush_rcsum
skb_do_copy_data_nocache