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

Include dependency graph for prot/ip4.h:

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.

Classes