Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\include\asm\checksum_32.h Create Date:2022-07-28 05:51:22
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:csum_ipv6_magic

Proto:static inline __sum16 csum_ipv6_magic(const struct in6_addr *saddr, const struct in6_addr *daddr, __u32 len, __u8 proto, __wsum sum)

Type:__sum16

Parameter:

TypeParameterName
const struct in6_addr *saddr
const struct in6_addr *daddr
__u32len
__u8proto
__wsumsum
154  asm("addl 0(%1), %0 ;\nadcl 4(%1), %0 ;\nadcl 8(%1), %0 ;\nadcl 12(%1), %0 ;\nadcl 0(%2), %0 ;\nadcl 4(%2), %0 ;\nadcl 8(%2), %0 ;\nadcl 12(%2), %0 ;\nadcl %3, %0 ;\nadcl %4, %0 ;\nadcl $0, %0 ;\n":"=&r"(sum):"r"(saddr), "r"(daddr), "r"(htonl), "r"(htonl), "0"(sum):"memory")
170  Return Fold a partial checksum