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in_cksum.h
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1
10#ifndef __IN_CKSUM_H__
11#define __IN_CKSUM_H__
12
13#include "ws_symbol_export.h"
14
15 typedef struct {
16 const uint8_t *ptr;
17 int len;
18} vec_t;
19
20#define SET_CKSUM_VEC_PTR(vecelem, data, length) \
21 G_STMT_START { \
22 vecelem.ptr = (data); \
23 vecelem.len = (length); \
24 } G_STMT_END
25
26#define SET_CKSUM_VEC_TVB(vecelem, tvb, offset, length) \
27 G_STMT_START { \
28 vecelem.len = (length); \
29 vecelem.ptr = tvb_get_ptr((tvb), (offset), vecelem.len); \
30 } G_STMT_END
31
32WS_DLL_PUBLIC uint16_t ip_checksum(const uint8_t *ptr, int len);
33
34WS_DLL_PUBLIC uint16_t ip_checksum_tvb(tvbuff_t *tvb, int offset, int len);
35
36WS_DLL_PUBLIC int in_cksum_ret_partial(const vec_t *vec, int veclen, uint16_t *partial);
37
38WS_DLL_PUBLIC int in_cksum(const vec_t *vec, int veclen);
39
40WS_DLL_PUBLIC uint16_t in_cksum_shouldbe(uint16_t sum, uint16_t computed_sum);
41
42#endif /* __IN_CKSUM_H__ */
tvbuff
Definition tvbuff-int.h:35
vec_t
Definition in_cksum.h:15