DOKK / manpages / debian 13 / dpdk-doc / rte_raw_cksum.3.en
rte_cksum.h(3) Library Functions Manual rte_cksum.h(3)

rte_cksum.h

#include <stdint.h>
#include <rte_byteorder.h>
#include <rte_common.h>
#include <rte_mbuf.h>


static uint16_t rte_raw_cksum (const void *buf, size_t len)
static int rte_raw_cksum_mbuf (const struct rte_mbuf *m, uint32_t off, uint32_t len, uint16_t *cksum)

Protocol independent checksum utilities.

Definition in file rte_cksum.h.

Process the non-complemented checksum of a buffer.

Parameters

buf Pointer to the buffer.
len Length of the buffer.

Returns

The non-complemented checksum.

Definition at line 94 of file rte_cksum.h.

Compute the raw (non complemented) checksum of a packet.

Parameters

m The pointer to the mbuf.
off The offset in bytes to start the checksum.
len The length in bytes of the data to checksum.
cksum A pointer to the checksum, filled on success.

Returns

0 on success, -1 on error (bad length or offset).

Definition at line 117 of file rte_cksum.h.

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