mywiki:linux:checksum
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Table of Contents
Linux Checksum Calculation Logic
| API | Comments |
|---|---|
| skb_checksum_help | |
| ip_fast_csum | |
| csum_fold |
Linux Checksum
union {
__wsum csum;
struct {
__u16 csum_start;
__u16 csum_offset;
};
};
skb→csum和skb→ip_summed:
| Main Variables | Input Direction | Output Direction |
| skb→csum | ||
| skb→ip_summed |
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