Contains functions to perform IP checksum operations. More...

#include <Checksum.h>

Static Public Member Functions
static uint16_t	add (uint16_t a, uint16_t b)
	Adds two checksums, taking carry into account. More...

static uint16_t	add (uint16_t a, uint16_t b, bool odd)
	Adds two checksums, taking carry into account and whether the second one starts at an odd index More...

static uint16_t	calc (uint16_t len, const uint8_t *data)
	Calculates the checksum of the specified buffer in memory More...

static uint16_t	calc (uint16_t checksum, uint16_t len, const uint8_t *data)
	Calculates the checksum of the specified buffer in memory, as a continuation of a previoulsy calculated checksum More...

Detailed Description

Contains functions to perform IP checksum operations.

Implements memory-efficient algorithm to calculate total and partial network checksums

Definition at line 26 of file Checksum.h.

Member Function Documentation

static

Adds two checksums, taking carry into account.

Parameters

a	the first checksum value
b	The second checksum value to add

Definition at line 25 of file Checksum.cpp.

static

Adds two checksums, taking carry into account and whether the second one starts at an odd index

Parameters

a	the first checksum value
b	The second checksum value to add
odd	Whether the second value (b) starts at an odd index

Definition at line 43 of file Checksum.cpp.

static

Calculates the checksum of the specified buffer in memory

Parameters

len	length of the buffer
data	The data.

Definition at line 59 of file Checksum.cpp.

static

Calculates the checksum of the specified buffer in memory, as a continuation of a previoulsy calculated checksum

Parameters

Definition at line 89 of file Checksum.cpp.

The documentation for this class was generated from the following files: