packetbuf.h File Reference

    Header file for the Rime buffer (packetbuf) management

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#include "contiki-conf.h"
#include "net/linkaddr.h"

Go to the source code of this file.

Macros
#define	PACKETBUF_SIZE   128
	The size of the packetbuf, in bytes.
#define	PACKETBUF_HDR_SIZE   48
	The size of the packetbuf header, in bytes.

Functions
void	packetbuf_clear (void)
	Clear and reset the packetbuf. More...
void	packetbuf_clear_hdr (void)
	Clear and reset the header of the packetbuf. More...
void *	packetbuf_dataptr (void)
	Get a pointer to the data in the packetbuf. More...
void *	packetbuf_hdrptr (void)
	Get a pointer to the header in the packetbuf, for outbound packets. More...
uint8_t	packetbuf_hdrlen (void)
	Get the length of the header in the packetbuf, for outbound packets. More...
uint16_t	packetbuf_datalen (void)
	Get the length of the data in the packetbuf. More...
uint16_t	packetbuf_totlen (void)
	Get the total length of the header and data in the packetbuf. More...
void	packetbuf_set_datalen (uint16_t len)
	Set the length of the data in the packetbuf. More...
void	packetbuf_reference (void *ptr, uint16_t len)
	Point the packetbuf to external data. More...
int	packetbuf_is_reference (void)
	Check if the packetbuf references external data. More...
void *	packetbuf_reference_ptr (void)
	Get a pointer to external data referenced by the packetbuf. More...
void	packetbuf_compact (void)
	Compact the packetbuf. More...
int	packetbuf_copyfrom (const void *from, uint16_t len)
	Copy from external data into the packetbuf. More...
int	packetbuf_copyto (void *to)
	Copy the entire packetbuf to an external buffer. More...
int	packetbuf_copyto_hdr (uint8_t *to)
	Copy the header portion of the packetbuf to an external buffer. More...
int	packetbuf_hdralloc (int size)
	Extend the header of the packetbuf, for outbound packets. More...
int	packetbuf_hdrreduce (int size)
	Reduce the header in the packetbuf, for incoming packets. More...

Detailed Description

    Header file for the Rime buffer (packetbuf) management

Author

Adam Dunkels adam@.nosp@m.sics.nosp@m..se

Definition in file packetbuf.h.