Neighbour discovery protocol. More...

#include <stdint.h>
#include <ipxe/in.h>
#include <ipxe/ipv6.h>
#include <ipxe/icmpv6.h>
#include <ipxe/neighbour.h>

Data Structures
struct	ndp_option_header
	An NDP option header. More...

struct	ndp_ll_addr_option
	NDP source or target link-layer address option. More...

struct	ndp_prefix_information_option
	NDP prefix information. More...

struct	ndp_rdnss_option
	NDP recursive DNS server. More...

struct	ndp_dnssl_option
	NDP DNS search list. More...

union	ndp_option
	An NDP option. More...

struct	ndp_neighbour_header
	An NDP neighbour solicitation or advertisement header. More...

struct	ndp_router_advertisement_header
	An NDP router advertisement header. More...

struct	ndp_router_solicitation_header
	An NDP router solicitation header. More...

union	ndp_header
	An NDP header. More...

Macros
#define	NDP_OPTION_BLKSZ 8U
	NDP option block size. More...

#define	NDP_OPT_LL_SOURCE 1
	NDP source link-layer address option. More...

#define	NDP_OPT_LL_TARGET 2
	NDP target link-layer address option. More...

#define	NDP_OPT_PREFIX 3
	NDP prefix information option. More...

#define	NDP_PREFIX_ON_LINK 0x80
	NDP on-link flag. More...

#define	NDP_PREFIX_AUTONOMOUS 0x40
	NDP autonomous address configuration flag. More...

#define	NDP_OPT_RDNSS 25
	NDP recursive DNS server option. More...

#define	NDP_OPT_DNSSL 31
	NDP DNS search list option. More...

#define	NDP_NEIGHBOUR_ROUTER 0x80
	NDP router flag. More...

#define	NDP_NEIGHBOUR_SOLICITED 0x40
	NDP solicited flag. More...

#define	NDP_NEIGHBOUR_OVERRIDE 0x20
	NDP override flag. More...

#define	NDP_ROUTER_MANAGED 0x80
	NDP managed address configuration. More...

#define	NDP_ROUTER_OTHER 0x40
	NDP other configuration. More...

#define	NDP_SETTINGS_NAME "ndp"
	NDP settings block name. More...

Functions
	FILE_LICENCE (GPL2_OR_LATER_OR_UBDL)

static int	ndp_tx (struct io_buffer iobuf, struct net_device netdev, const void net_dest, const void net_source, const void *ll_source)
	Transmit packet, determining link-layer address via NDP. More...

Variables
struct neighbour_discovery	ndp_discovery
	NDP neighbour discovery protocol. More...

Detailed Description

Neighbour discovery protocol.

Definition in file ndp.h.

Macro Definition Documentation

◆ NDP_OPTION_BLKSZ

#define NDP_OPTION_BLKSZ 8U

NDP option block size.

Definition at line 27 of file ndp.h.

◆ NDP_OPT_LL_SOURCE

#define NDP_OPT_LL_SOURCE 1

NDP source link-layer address option.

Definition at line 30 of file ndp.h.

◆ NDP_OPT_LL_TARGET

#define NDP_OPT_LL_TARGET 2

NDP target link-layer address option.

Definition at line 33 of file ndp.h.

◆ NDP_OPT_PREFIX

#define NDP_OPT_PREFIX 3

NDP prefix information option.

Definition at line 44 of file ndp.h.

◆ NDP_PREFIX_ON_LINK

#define NDP_PREFIX_ON_LINK 0x80

NDP on-link flag.

Definition at line 65 of file ndp.h.

◆ NDP_PREFIX_AUTONOMOUS

#define NDP_PREFIX_AUTONOMOUS 0x40

NDP autonomous address configuration flag.

Definition at line 68 of file ndp.h.

◆ NDP_OPT_RDNSS

#define NDP_OPT_RDNSS 25

NDP recursive DNS server option.

Definition at line 71 of file ndp.h.

◆ NDP_OPT_DNSSL

#define NDP_OPT_DNSSL 31

NDP DNS search list option.

Definition at line 86 of file ndp.h.

◆ NDP_NEIGHBOUR_ROUTER

#define NDP_NEIGHBOUR_ROUTER 0x80

NDP router flag.

Definition at line 129 of file ndp.h.

◆ NDP_NEIGHBOUR_SOLICITED

#define NDP_NEIGHBOUR_SOLICITED 0x40

NDP solicited flag.

Definition at line 132 of file ndp.h.

◆ NDP_NEIGHBOUR_OVERRIDE

#define NDP_NEIGHBOUR_OVERRIDE 0x20

NDP override flag.

Definition at line 135 of file ndp.h.

◆ NDP_ROUTER_MANAGED

#define NDP_ROUTER_MANAGED 0x80

NDP managed address configuration.

Definition at line 156 of file ndp.h.

◆ NDP_ROUTER_OTHER

#define NDP_ROUTER_OTHER 0x40

NDP other configuration.

Definition at line 159 of file ndp.h.

◆ NDP_SETTINGS_NAME

#define NDP_SETTINGS_NAME "ndp"

NDP settings block name.

Definition at line 204 of file ndp.h.

Function Documentation

◆ FILE_LICENCE()

FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL )

◆ ndp_tx()

static int ndp_tx	(	struct io_buffer *	iobuf,
		struct net_device *	netdev,
		const void *	net_dest,
		const void *	net_source,
		const void *	ll_source
	)

inlinestatic

Transmit packet, determining link-layer address via NDP.

Parameters

iobuf	I/O buffer
netdev	Network device
net_dest	Destination network-layer address
net_source	Source network-layer address
ll_source	Source link-layer address

Return values

rc	Return status code

Definition at line 195 of file ndp.h.

                                                    {
 
         return neighbour_tx ( iobuf, netdev, &ipv6_protocol, net_dest,
                               &ndp_discovery, net_source, ll_source );
 }

References ndp_discovery, neighbour_tx(), and netdev.

Referenced by ipv6_tx().

Variable Documentation

◆ ndp_discovery

struct neighbour_discovery ndp_discovery

NDP neighbour discovery protocol.

Definition at line 161 of file ndp.c.

Referenced by ndp_tx().

Data Structures

Macros

Functions

Variables