ip_frag.h File Reference

#include "lwip/err.h"
#include "lwip/pbuf.h"
#include "lwip/netif.h"
#include "lwip/ip_addr.h"

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Functions
void	ip_reass_tmr (void)
struct pbuf *	ip_reass (struct pbuf *p)
err_t	ip_frag (struct pbuf *p, struct netif *netif, struct ip_addr *dest)

Function Documentation

ip_frag()

err_t ip_frag	(	struct pbuf *	p,
		struct netif *	netif,
		struct ip_addr *	dest
	)

Fragment an IP datagram if too large for the netif.

Chop the datagram in MTU sized chunks and send them in order by using a fixed size static memory buffer (PBUF_ROM)

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ip_reass()

struct pbuf* ip_reass

(

struct pbuf *

p

)

Reassembles incoming IP fragments into an IP datagram.

Parameters

p	points to a pbuf chain of the fragment

Returns

NULL if reassembly is incomplete, ? otherwise

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ip_reass_tmr()

void ip_reass_tmr

(

void

)

Reassembly timer base function for both NO_SYS == 0 and 1 (!).

Should be called every 1000 msec.