alexb/lib/lwip/contrib/src/include/lwip/netbuf.h File Reference

#include "lwip/opt.h"
#include "lwip/pbuf.h"
#include "lwip/ip_addr.h"

Classes
struct	netbuf
Defines
#define	NETBUF_FLAG_DESTADDR   0x01
	This netbuf has dest-addr/port set.
#define	NETBUF_FLAG_CHKSUM   0x02
	This netbuf includes a checksum.
#define	netbuf_copy_partial(buf, dataptr, len, offset)   pbuf_copy_partial((buf)->p, (dataptr), (len), (offset))
#define	netbuf_copy(buf, dataptr, len)   netbuf_copy_partial(buf, dataptr, len, 0)
#define	netbuf_take(buf, dataptr, len)   pbuf_take((buf)->p, dataptr, len)
#define	netbuf_len(buf)   ((buf)->p->tot_len)
#define	netbuf_fromaddr(buf)   (&((buf)->addr))
#define	netbuf_set_fromaddr(buf, fromaddr)   ip_addr_set((&(buf)->addr), fromaddr)
#define	netbuf_fromport(buf)   ((buf)->port)
Functions
struct netbuf *	netbuf_new (void)
void	netbuf_delete (struct netbuf *buf)
void *	netbuf_alloc (struct netbuf *buf, u16_t size)
void	netbuf_free (struct netbuf *buf)
err_t	netbuf_ref (struct netbuf *buf, const void *dataptr, u16_t size)
void	netbuf_chain (struct netbuf *head, struct netbuf *tail)
err_t	netbuf_data (struct netbuf *buf, void **dataptr, u16_t *len)
s8_t	netbuf_next (struct netbuf *buf)
void	netbuf_first (struct netbuf *buf)

---

Define Documentation

#define netbuf_copy	(		buf,
			dataptr,
			len
	)			netbuf_copy_partial(buf, dataptr, len, 0)

#define netbuf_copy_partial	(		buf,
			dataptr,
			len,
			offset
	)			pbuf_copy_partial((buf)->p, (dataptr), (len), (offset))

#define NETBUF_FLAG_CHKSUM   0x02

This netbuf includes a checksum.

#define NETBUF_FLAG_DESTADDR   0x01

This netbuf has dest-addr/port set.

#define netbuf_fromaddr

(

buf

)

(&((buf)->addr))

#define netbuf_fromport

(

buf

)

((buf)->port)

#define netbuf_len

(

buf

)

((buf)->p->tot_len)

#define netbuf_set_fromaddr	(		buf,
			fromaddr
	)			ip_addr_set((&(buf)->addr), fromaddr)

#define netbuf_take	(		buf,
			dataptr,
			len
	)			pbuf_take((buf)->p, dataptr, len)

---

Function Documentation

void* netbuf_alloc	(	struct netbuf *	buf,
		u16_t	size
	)

void netbuf_chain	(	struct netbuf *	head,
		struct netbuf *	tail
	)

err_t netbuf_data	(	struct netbuf *	buf,
		void **	dataptr,
		u16_t *	len
	)

void netbuf_delete

(

struct netbuf *

buf

)

void netbuf_first

(

struct netbuf *

buf

)

void netbuf_free

(

struct netbuf *

buf

)

struct netbuf* netbuf_new

(

void

)

[read]

s8_t netbuf_next

(

struct netbuf *

buf

)

err_t netbuf_ref	(	struct netbuf *	buf,
		const void *	dataptr,
		u16_t	size
	)