#include "lwip/opt.h"
#include "lwip/inet_chksum.h"
#include "lwip/inet.h"
#include <stddef.h>
Go to the source code of this file.
Defines | |
#define | LWIP_CHKSUM lwip_standard_chksum |
#define | LWIP_CHKSUM_ALGORITHM 0 |
#define | SWAP_BYTES_IN_WORD(w) ((w & 0xff) << 8) | ((w & 0xff00) >> 8) |
#define | FOLD_U32T(u) ((u >> 16) + (u & 0x0000ffffUL)) |
Functions | |
u16_t | inet_chksum_pseudo (struct pbuf *p, struct ip_addr *src, struct ip_addr *dest, u8_t proto, u16_t proto_len) |
u16_t | inet_chksum (void *dataptr, u16_t len) |
u16_t | inet_chksum_pbuf (struct pbuf *p) |
Incluse internet checksum functions.
Definition in file inet_chksum.c.
#define FOLD_U32T | ( | u | ) | ((u >> 16) + (u & 0x0000ffffUL)) |
Split an u32_t in two u16_ts and add them up
Definition at line 78 of file inet_chksum.c.
#define SWAP_BYTES_IN_WORD | ( | w | ) | ((w & 0xff) << 8) | ((w & 0xff00) >> 8) |
Like the name says...
Definition at line 74 of file inet_chksum.c.
Calculate a checksum over a chain of pbufs (without pseudo-header, much like inet_chksum only pbufs are used).
p | pbuf chain over that the checksum should be calculated |
Definition at line 417 of file inet_chksum.c.