#include "lwip/arch.h"
#include "lwip/ip4_addr.h"

Include dependency graph for prot/ip4.h:

Classes
struct	ip4_addr_packed

struct	ip_hdr

Macros
#define	IP_HLEN 20

#define	IP_RF 0x8000U /* reserved fragment flag */

#define	IP_DF 0x4000U /* don't fragment flag */

#define	IP_MF 0x2000U /* more fragments flag */

#define	IP_OFFMASK 0x1fffU /* mask for fragmenting bits */

#define	IPH_V(hdr) ((hdr)->_v_hl >> 4)

#define	IPH_HL(hdr) ((hdr)->_v_hl & 0x0f)

#define	IPH_TOS(hdr) ((hdr)->_tos)

#define	IPH_LEN(hdr) ((hdr)->_len)

#define	IPH_ID(hdr) ((hdr)->_id)

#define	IPH_OFFSET(hdr) ((hdr)->_offset)

#define	IPH_TTL(hdr) ((hdr)->_ttl)

#define	IPH_PROTO(hdr) ((hdr)->_proto)

#define	IPH_CHKSUM(hdr) ((hdr)->_chksum)

#define	IPH_VHL_SET(hdr, v, hl) (hdr)->_v_hl = (u8_t)((((v) << 4) \| (hl)))

#define	IPH_TOS_SET(hdr, tos) (hdr)->_tos = (tos)

#define	IPH_LEN_SET(hdr, len) (hdr)->_len = (len)

#define	IPH_ID_SET(hdr, id) (hdr)->_id = (id)

#define	IPH_OFFSET_SET(hdr, off) (hdr)->_offset = (off)

#define	IPH_TTL_SET(hdr, ttl) (hdr)->_ttl = (u8_t)(ttl)

#define	IPH_PROTO_SET(hdr, proto) (hdr)->_proto = (u8_t)(proto)

#define	IPH_CHKSUM_SET(hdr, chksum) (hdr)->_chksum = (chksum)

Typedefs
typedef typedefPACK_STRUCT_END struct ip4_addr_packed	ip4_addr_p_t

Variables
PACK_STRUCT_BEGIN struct ip4_addr_packed	PACK_STRUCT_STRUCT

Detailed Description

IPv4 protocol definitions

Definition in file prot/ip4.h.

Macro Definition Documentation

◆ IP_DF

#define IP_DF 0x4000U /* don't fragment flag */

Definition at line 102 of file prot/ip4.h.

◆ IP_HLEN

#define IP_HLEN 20

Definition at line 83 of file prot/ip4.h.

◆ IP_MF

#define IP_MF 0x2000U /* more fragments flag */

Definition at line 103 of file prot/ip4.h.

◆ IP_OFFMASK

#define IP_OFFMASK 0x1fffU /* mask for fragmenting bits */

Definition at line 104 of file prot/ip4.h.

◆ IP_RF

#define IP_RF 0x8000U /* reserved fragment flag */

Definition at line 101 of file prot/ip4.h.

◆ IPH_CHKSUM

#define IPH_CHKSUM ( hdr ) ((hdr)->_chksum)

Definition at line 129 of file prot/ip4.h.

◆ IPH_CHKSUM_SET

#define IPH_CHKSUM_SET	(	hdr,
		chksum
	)	(hdr)->_chksum = (chksum)

Definition at line 139 of file prot/ip4.h.

◆ IPH_HL

#define IPH_HL ( hdr ) ((hdr)->_v_hl & 0x0f)

Definition at line 122 of file prot/ip4.h.

◆ IPH_ID

#define IPH_ID ( hdr ) ((hdr)->_id)

Definition at line 125 of file prot/ip4.h.

◆ IPH_ID_SET

#define IPH_ID_SET	(	hdr,
		id
	)	(hdr)->_id = (id)

Definition at line 135 of file prot/ip4.h.

◆ IPH_LEN

#define IPH_LEN ( hdr ) ((hdr)->_len)

Definition at line 124 of file prot/ip4.h.

◆ IPH_LEN_SET

#define IPH_LEN_SET	(	hdr,
		len
	)	(hdr)->_len = (len)

Definition at line 134 of file prot/ip4.h.

◆ IPH_OFFSET

#define IPH_OFFSET ( hdr ) ((hdr)->_offset)

Definition at line 126 of file prot/ip4.h.

◆ IPH_OFFSET_SET

#define IPH_OFFSET_SET	(	hdr,
		off
	)	(hdr)->_offset = (off)

Definition at line 136 of file prot/ip4.h.

◆ IPH_PROTO

#define IPH_PROTO ( hdr ) ((hdr)->_proto)

Definition at line 128 of file prot/ip4.h.

◆ IPH_PROTO_SET

#define IPH_PROTO_SET	(	hdr,
		proto
	)	(hdr)->_proto = (u8_t)(proto)

Definition at line 138 of file prot/ip4.h.

◆ IPH_TOS

#define IPH_TOS ( hdr ) ((hdr)->_tos)

Definition at line 123 of file prot/ip4.h.

◆ IPH_TOS_SET

#define IPH_TOS_SET	(	hdr,
		tos
	)	(hdr)->_tos = (tos)

Definition at line 133 of file prot/ip4.h.

◆ IPH_TTL

#define IPH_TTL ( hdr ) ((hdr)->_ttl)

Definition at line 127 of file prot/ip4.h.

◆ IPH_TTL_SET

#define IPH_TTL_SET	(	hdr,
		ttl
	)	(hdr)->_ttl = (u8_t)(ttl)

Definition at line 137 of file prot/ip4.h.

◆ IPH_V

#define IPH_V ( hdr ) ((hdr)->_v_hl >> 4)

Definition at line 121 of file prot/ip4.h.

◆ IPH_VHL_SET

#define IPH_VHL_SET	(	hdr,
		v,
		hl
	)	(hdr)->_v_hl = (u8_t)((((v) << 4) \| (hl)))

Definition at line 132 of file prot/ip4.h.

Typedef Documentation

◆ ip4_addr_p_t

typedef typedefPACK_STRUCT_END struct ip4_addr_packed ip4_addr_p_t

Definition at line 80 of file prot/ip4.h.

Classes

Macros

Typedefs

Variables