algin
ae3cac8a7d
Adds sitara_depot/free_rtos Original one is on server_gorbunov/SmartForce4.0/sitara_depot
23 lines
391 B
C
23 lines
391 B
C
/*
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* eth_ip_checksum.c
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*
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* Created on: 14 ìàð. 2023 ã.
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* Author: sychev
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*/
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#include "eth_ip_checksum.h"
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#include "base/swap.h"
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uint16_t eth_ip_calcChecksum(uint16_t * const data, uint32_t length)
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{
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uint32_t i, crc = 0;
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for (i = 0 ; i < length; ++i ) {
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crc += BASE_SWAP16(data[i]);
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}
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crc = (crc & 0xffff) + (crc >> 16);
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return (uint16_t) (~crc);
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}
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