autoip.h File Reference

#include "lwip/opt.h"
#include "lwip/netif.h"
#include "lwip/etharp.h"

Data Structures
struct	autoip

Macros
#define	AUTOIP_TMR_INTERVAL   100
#define	autoip_remove_struct(netif)   do { (netif)->autoip = NULL; } while (0)

Functions
void	autoip_set_struct (struct netif *netif, struct autoip *autoip)
err_t	autoip_start (struct netif *netif)
err_t	autoip_stop (struct netif *netif)
void	autoip_arp_reply (struct netif *netif, struct etharp_hdr *hdr)
void	autoip_tmr (void)
void	autoip_network_changed (struct netif *netif)
u8_t	autoip_supplied_address (const struct netif *netif)

Detailed Description

AutoIP Automatic LinkLocal IP Configuration

Macro Definition Documentation

autoip_remove_struct

#define autoip_remove_struct

(

netif

)

do { (netif)->autoip = NULL; } while (0)

Remove a struct autoip previously set to the netif using autoip_set_struct()

AUTOIP_TMR_INTERVAL

#define AUTOIP_TMR_INTERVAL   100

AutoIP Timing

Function Documentation

autoip_arp_reply()

void autoip_arp_reply	(	struct netif *	netif,
		struct etharp_hdr *	hdr
	)

Handles every incoming ARP Packet, called by etharp_input().

Parameters

netif	network interface to use for autoip processing
hdr	Incoming ARP packet

autoip_network_changed()

void autoip_network_changed

(

struct netif *

netif

)

Handle a possible change in the network configuration.

If there is an AutoIP address configured, take the interface down and begin probing with the same address.

autoip_supplied_address()

u8_t autoip_supplied_address

(

const struct netif *

netif

)

check if AutoIP supplied netif->ip_addr

Parameters

netif

the netif to check

Returns

1 if AutoIP supplied netif->ip_addr (state BOUND or ANNOUNCING), 0 otherwise

autoip_tmr()

void autoip_tmr

(

void

)

Has to be called in loop every AUTOIP_TMR_INTERVAL milliseconds