ip.h File Reference

IP protocol. More...

#include <stdint.h>
#include <gpxe/in.h>
#include <gpxe/list.h>
#include <gpxe/retry.h>

Go to the source code of this file.

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...
struct	frag_buffer
Defines
#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
#define	IP_FRAG_IOB_SIZE   1500
#define	IP_FRAG_TIMEOUT   50
Functions
	FILE_LICENCE (GPL2_OR_LATER)
Variables
struct iphdr	packed
	An IPv4 packet header.
struct list_head	ipv4_miniroutes
	List of IPv4 miniroutes.
struct net_protocol	ipv4_protocol

---

Detailed Description

IP protocol.

Definition in file ip.h.

---

Define Documentation

#define IP_VER   0x40U

Definition at line 23 of file ip.h.

Referenced by gdbudp_send(), ipv4_rx(), and ipv4_tx().

#define IP_MASK_VER   0xf0U

Definition at line 24 of file ip.h.

Referenced by ipv4_rx().

#define IP_MASK_HLEN   0x0fU

Definition at line 25 of file ip.h.

Referenced by ipv4_pshdr_chksum(), and ipv4_rx().

#define IP_MASK_OFFSET   0x1fffU

Definition at line 26 of file ip.h.

Referenced by ipv4_reassemble(), and ipv4_rx().

#define IP_MASK_DONOTFRAG   0x4000U

Definition at line 27 of file ip.h.

#define IP_MASK_MOREFRAGS   0x2000U

Definition at line 28 of file ip.h.

Referenced by ipv4_reassemble(), and ipv4_rx().

#define IP_PSHLEN   12

Definition at line 29 of file ip.h.

#define IP_TOS   0

Definition at line 32 of file ip.h.

Referenced by gdbudp_send(), and ipv4_tx().

#define IP_TTL   64

Definition at line 33 of file ip.h.

Referenced by gdbudp_send(), and ipv4_tx().

#define IP_FRAG_IOB_SIZE   1500

Definition at line 35 of file ip.h.

Referenced by ipv4_reassemble().

#define IP_FRAG_TIMEOUT   50

Definition at line 36 of file ip.h.

Referenced by ipv4_reassemble().

---

Function Documentation

FILE_LICENCE

(

GPL2_OR_LATER

)

---

Variable Documentation

struct iphdr packed

An IPv4 packet header.

struct list_head ipv4_miniroutes

List of IPv4 miniroutes.

Definition at line 32 of file ipv4.c.

Referenced by route().

struct net_protocol ipv4_protocol

Definition at line 29 of file ipv4.c.

Referenced by ipv4_ll_addr(), ipv4_tx(), pxenv_undi_isr(), and pxenv_undi_transmit().