IP protocol. More...

#include <stdint.h>
#include <ipxe/in.h>
#include <ipxe/list.h>
#include <ipxe/retry.h>
#include <ipxe/netdevice.h>

Data Structures
struct	iphdr
	An IPv4 packet header. More...

struct	ipv4_pseudo_header
	An IPv4 pseudo header. More...

struct	ipv4_miniroute
	An IPv4 address/routing table entry. More...

Macros
#define	IP_VER 0x40U

#define	IP_MASK_VER 0xf0U

#define	IP_MASK_HLEN 0x0fU

#define	IP_MASK_OFFSET 0x1fffU

#define	IP_MASK_DONOTFRAG 0x4000U

#define	IP_MASK_MOREFRAGS 0x2000U

#define	IP_PSHLEN 12

#define	IP_TOS 0

#define	IP_TTL 64

Functions
	FILE_LICENCE (GPL2_OR_LATER_OR_UBDL)

int	ipv4_has_any_addr (struct net_device *netdev)
	Check if network device has any IPv4 address. More...

int	parse_ipv4_setting (const struct setting_type type, const char value, void *buf, size_t len)

int	format_ipv4_setting (const struct setting_type type, const void raw, size_t raw_len, char *buf, size_t len)

Variables
struct list_head	ipv4_miniroutes
	List of IPv4 miniroutes. More...

struct net_protocol ipv4_protocol	__net_protocol
	AoE protocol. More...

Detailed Description

IP protocol.

Definition in file ip.h.

Macro Definition Documentation

◆ IP_VER

#define IP_VER 0x40U

Definition at line 22 of file ip.h.

◆ IP_MASK_VER

#define IP_MASK_VER 0xf0U

Definition at line 23 of file ip.h.

◆ IP_MASK_HLEN

#define IP_MASK_HLEN 0x0fU

Definition at line 24 of file ip.h.

◆ IP_MASK_OFFSET

#define IP_MASK_OFFSET 0x1fffU

Definition at line 25 of file ip.h.

◆ IP_MASK_DONOTFRAG

#define IP_MASK_DONOTFRAG 0x4000U

Definition at line 26 of file ip.h.

◆ IP_MASK_MOREFRAGS

#define IP_MASK_MOREFRAGS 0x2000U

Definition at line 27 of file ip.h.

◆ IP_PSHLEN

#define IP_PSHLEN 12

Definition at line 28 of file ip.h.

◆ IP_TOS

#define IP_TOS 0

Definition at line 31 of file ip.h.

◆ IP_TTL

#define IP_TTL 64

Definition at line 32 of file ip.h.

Function Documentation

◆ FILE_LICENCE()

FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL )

◆ ipv4_has_any_addr()

int ipv4_has_any_addr ( struct net_device * netdev )

Check if network device has any IPv4 address.

Parameters

netdev Network device

Return values

has_any_addr Network device has any IPv4 address

Definition at line 443 of file ipv4.c.

                                                     {
         struct ipv4_miniroute *miniroute;
 
         list_for_each_entry ( miniroute, &ipv4_miniroutes, list ) {
                 if ( miniroute->netdev == netdev )
                         return 1;
         }
         return 0;
 }

References ipv4_miniroutes, ipv4_miniroute::list, list_for_each_entry, netdev, and ipv4_miniroute::netdev.

Referenced by dhcp_create_packet(), and ipv4_rx().

◆ parse_ipv4_setting()

int parse_ipv4_setting	(	const struct setting_type *	type,
		const char *	value,
		void *	buf,
		size_t	len
	)

◆ format_ipv4_setting()

int format_ipv4_setting	(	const struct setting_type *	type,
		const void *	raw,
		size_t	raw_len,
		char *	buf,
		size_t	len
	)

Variable Documentation

◆ ipv4_miniroutes

struct list_head ipv4_miniroutes

List of IPv4 miniroutes.

Definition at line 57 of file ipv4.c.

Referenced by add_ipv4_miniroute(), ipv4_create_routes(), ipv4_has_addr(), ipv4_has_any_addr(), ipv4_route(), and route_ipv4_print().

◆ __net_protocol

struct net_protocol ipv4_protocol __net_protocol

AoE protocol.

FIP protocol.

Definition at line 56 of file aoe.c.

Data Structures

Macros

Functions

Variables