uip_ip.h File Reference

#include "uip.h"

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Classes
struct	uip_ip_addr
struct	uip_ip_addr2
struct	uip_ip_hdr

Macros
#define	UIP_INADDR_NONE   ((u32_t) 0xffffffff) /* 255.255.255.255 */
#define	UIP_INADDR_LOOPBACK   ((u32_t) 0x7f000001) /* 127.0.0.1 */
#define	UIP_IPH_V(hdr)   (ntohs((hdr)->_v_hl_tos) >> 12)
#define	UIP_IPH_HL(hdr)   ((ntohs((hdr)->_v_hl_tos) >> 8) & 0x0f)
#define	UIP_IPH_TOS(hdr)   (ntohs((hdr)->_v_hl_tos) & 0xff)
#define	UIP_IPH_LEN(hdr)   ((hdr)->_len)
#define	UIP_IPH_ID(hdr)   ((hdr)->_id)
#define	UIP_IPH_OFFSET(hdr)   ((hdr)->_offset)
#define	UIP_IPH_TTL(hdr)   (ntohs((hdr)->_ttl_proto) >> 8)
#define	UIP_IPH_PROTO(hdr)   (ntohs((hdr)->_ttl_proto) & 0xff)
#define	UIP_IPH_CHKSUM(hdr)   ((hdr)->_chksum)
#define	UIP_IPH_VHLTOS_SET(hdr, v, hl, tos)   (hdr)->_v_hl_tos = (htons(((v) << 12) | ((hl) << 8) | (tos)))
#define	UIP_IPH_LEN_SET(hdr, len)   (hdr)->_len = (len)
#define	UIP_IPH_ID_SET(hdr, id)   (hdr)->_id = (id)
#define	UIP_IPH_OFFSET_SET(hdr, off)   (hdr)->_offset = (off)
#define	UIP_IPH_TTL_SET(hdr, ttl)   (hdr)->_ttl_proto = (htons(UIP_IPH_PROTO(hdr) | ((ttl) << 8)))
#define	UIP_IPH_PROTO_SET(hdr, proto)   (hdr)->_ttl_proto = (htons((proto) | (UIP_IPH_TTL(hdr) << 8)))
#define	UIP_IPH_CHKSUM_SET(hdr, chksum)   (hdr)->_chksum = (chksum)
#define	UIP_SOF_DEBUG   (u16_t)0x0001U /* turn on debugging info recording */
#define	UIP_SOF_ACCEPTCONN   (u16_t)0x0002U /* socket has had listen() */
#define	UIP_SOF_REUSEADDR   (u16_t)0x0004U /* allow local address reuse */
#define	UIP_SOF_KEEPALIVE   (u16_t)0x0008U /* keep connections alive */
#define	UIP_SOF_DONTROUTE   (u16_t)0x0010U /* just use interface addresses */
#define	UIP_SOF_BROADCAST   (u16_t)0x0020U /* permit sending of broadcast msgs */
#define	UIP_SOF_USELOOPBACK   (u16_t)0x0040U /* bypass hardware when possible */
#define	UIP_SOF_LINGER   (u16_t)0x0080U /* linger on close if data present */
#define	UIP_SOF_OOBINLINE   (u16_t)0x0100U /* leave received OOB data in line */
#define	UIP_SOF_REUSEPORT   (u16_t)0x0200U /* allow local address & port reuse */
#define	IP4_ADDR(ipaddr, a, b, c, d)
#define	ip_addr_set(dest, src)
#define	ip_addr_netcmp(addr1, addr2, mask)
#define	ip_addr_cmp(addr1, addr2)   ((addr1)->addr == (addr2)->addr)
#define	ip_addr_isany(addr1)   ((addr1) == NULL || (addr1)->addr == 0)
#define	ip_addr_isbroadcast   uip_ipaddr_isbroadcast
#define	ip_addr_ismulticast(addr1)   (((addr1)->addr & ntohl(0xf0000000)) == ntohl(0xe0000000))
#define	ip4_addr1(ipaddr)   ((u16_t)(ntohl((ipaddr)->addr) >> 24) & 0xff)
#define	ip4_addr2(ipaddr)   ((u16_t)(ntohl((ipaddr)->addr) >> 16) & 0xff)
#define	ip4_addr3(ipaddr)   ((u16_t)(ntohl((ipaddr)->addr) >> 8) & 0xff)
#define	ip4_addr4(ipaddr)   ((u16_t)(ntohl((ipaddr)->addr)) & 0xff)
#define	UIP_IP_RF   0x8000
#define	UIP_IP_DF   0x4000
#define	UIP_IP_MF   0x2000
#define	UIP_IP_OFFMASK   0x1fff
#define	UIP_IP_PCB

Functions
void	uip_ipinit ()
u32_t	uip_ipaddr (const u8_t *cp)
s32_t	uip_ipaton (const u8_t *cp, struct in_addr *addr)
s8_t	uip_ipinput (struct uip_pbuf *p, struct uip_netif *inp)
s8_t	uip_ipoutput (struct uip_pbuf *p, struct uip_ip_addr *src, struct uip_ip_addr *dst, u8_t ttl, u8_t tos, u8_t proto)
s8_t	uip_ipoutput_if (struct uip_pbuf *p, struct uip_ip_addr *src, struct uip_ip_addr *dst, u8_t ttl, u8_t tos, u8_t proto, struct uip_netif *netif)
struct uip_netif *	uip_iproute (struct uip_ip_addr *dst)
u8_t	uip_ipaddr_isbroadcast (struct uip_ip_addr *addr, struct uip_netif *netif)

Variables
PACK_STRUCT_BEGIN struct uip_ip_addr	PACK_STRUCT_STRUCT

Macro Definition Documentation

IP4_ADDR

#define IP4_ADDR	(		ipaddr,
			a,
			b,
			c,
			d
	)

Value:

(ipaddr)->addr = htonl(((u32_t)(a & 0xff) << 24) | ((u32_t)(b & 0xff) << 16) | \
 ((u32_t)(c & 0xff) << 8) | (u32_t)(d & 0xff))

ip4_addr1

#define ip4_addr1

(

ipaddr

)

((u16_t)(ntohl((ipaddr)->addr) >> 24) & 0xff)

ip4_addr2

#define ip4_addr2

(

ipaddr

)

((u16_t)(ntohl((ipaddr)->addr) >> 16) & 0xff)

ip4_addr3

#define ip4_addr3

(

ipaddr

)

((u16_t)(ntohl((ipaddr)->addr) >> 8) & 0xff)

ip4_addr4

#define ip4_addr4

(

ipaddr

)

((u16_t)(ntohl((ipaddr)->addr)) & 0xff)

ip_addr_cmp

#define ip_addr_cmp	(		addr1,
			addr2
	)		((addr1)->addr == (addr2)->addr)

ip_addr_isany

#define ip_addr_isany

(

addr1

)

((addr1) == NULL || (addr1)->addr == 0)

ip_addr_isbroadcast

#define ip_addr_isbroadcast   uip_ipaddr_isbroadcast

ip_addr_ismulticast

#define ip_addr_ismulticast

(

addr1

)

(((addr1)->addr & ntohl(0xf0000000)) == ntohl(0xe0000000))

ip_addr_netcmp

#define ip_addr_netcmp	(		addr1,
			addr2,
			mask
	)

Value:

(((addr1)->addr & \
 (mask)->addr) == \
 ((addr2)->addr & \
 (mask)->addr))

Determine if two address are on the same network.

• addr1 IP address 1
• addr2 IP address 2
• mask network identifier mask

  Returns

  !0 if the network identifiers of both address match

ip_addr_set

#define ip_addr_set	(		dest,
			src
	)

Value:

(dest)->addr = \
 ((src) == NULL? 0:\
 (src)->addr)

UIP_INADDR_LOOPBACK

#define UIP_INADDR_LOOPBACK   ((u32_t) 0x7f000001) /* 127.0.0.1 */

UIP_INADDR_NONE

#define UIP_INADDR_NONE   ((u32_t) 0xffffffff) /* 255.255.255.255 */

UIP_IP_DF

#define UIP_IP_DF   0x4000

UIP_IP_MF

#define UIP_IP_MF   0x2000

UIP_IP_OFFMASK

#define UIP_IP_OFFMASK   0x1fff

UIP_IP_PCB

#define UIP_IP_PCB

Value:

struct uip_ip_addr local_ip; \
 struct uip_ip_addr remote_ip; \
 u16_t so_options; \
 u8_t tos; \
 u8_t ttl

UIP_IP_RF

#define UIP_IP_RF   0x8000

UIP_IPH_CHKSUM

#define UIP_IPH_CHKSUM

(

hdr

)

((hdr)->_chksum)

UIP_IPH_CHKSUM_SET

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

UIP_IPH_HL

#define UIP_IPH_HL

(

hdr

)

((ntohs((hdr)->_v_hl_tos) >> 8) & 0x0f)

UIP_IPH_ID

#define UIP_IPH_ID

(

hdr

)

((hdr)->_id)

UIP_IPH_ID_SET

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

UIP_IPH_LEN

#define UIP_IPH_LEN

(

hdr

)

((hdr)->_len)

UIP_IPH_LEN_SET

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

UIP_IPH_OFFSET

#define UIP_IPH_OFFSET

(

hdr

)

((hdr)->_offset)

UIP_IPH_OFFSET_SET

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

UIP_IPH_PROTO

#define UIP_IPH_PROTO

(

hdr

)

(ntohs((hdr)->_ttl_proto) & 0xff)

UIP_IPH_PROTO_SET

#define UIP_IPH_PROTO_SET	(		hdr,
			proto
	)		(hdr)->_ttl_proto = (htons((proto) | (UIP_IPH_TTL(hdr) << 8)))

UIP_IPH_TOS

#define UIP_IPH_TOS

(

hdr

)

(ntohs((hdr)->_v_hl_tos) & 0xff)

UIP_IPH_TTL

#define UIP_IPH_TTL

(

hdr

)

(ntohs((hdr)->_ttl_proto) >> 8)

UIP_IPH_TTL_SET

#define UIP_IPH_TTL_SET	(		hdr,
			ttl
	)		(hdr)->_ttl_proto = (htons(UIP_IPH_PROTO(hdr) | ((ttl) << 8)))

UIP_IPH_V

#define UIP_IPH_V

(

hdr

)

(ntohs((hdr)->_v_hl_tos) >> 12)

UIP_IPH_VHLTOS_SET

#define UIP_IPH_VHLTOS_SET	(		hdr,
			v,
			hl,
			tos
	)		(hdr)->_v_hl_tos = (htons(((v) << 12) | ((hl) << 8) | (tos)))

UIP_SOF_ACCEPTCONN

#define UIP_SOF_ACCEPTCONN   (u16_t)0x0002U /* socket has had listen() */

UIP_SOF_BROADCAST

#define UIP_SOF_BROADCAST   (u16_t)0x0020U /* permit sending of broadcast msgs */

UIP_SOF_DEBUG

#define UIP_SOF_DEBUG   (u16_t)0x0001U /* turn on debugging info recording */

UIP_SOF_DONTROUTE

#define UIP_SOF_DONTROUTE   (u16_t)0x0010U /* just use interface addresses */

UIP_SOF_KEEPALIVE

#define UIP_SOF_KEEPALIVE   (u16_t)0x0008U /* keep connections alive */

UIP_SOF_LINGER

#define UIP_SOF_LINGER   (u16_t)0x0080U /* linger on close if data present */

UIP_SOF_OOBINLINE

#define UIP_SOF_OOBINLINE   (u16_t)0x0100U /* leave received OOB data in line */

UIP_SOF_REUSEADDR

#define UIP_SOF_REUSEADDR   (u16_t)0x0004U /* allow local address reuse */

UIP_SOF_REUSEPORT

#define UIP_SOF_REUSEPORT   (u16_t)0x0200U /* allow local address & port reuse */

UIP_SOF_USELOOPBACK

#define UIP_SOF_USELOOPBACK   (u16_t)0x0040U /* bypass hardware when possible */

Function Documentation

uip_ipaddr()

u32_t uip_ipaddr

(

const u8_t *

cp

)

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uip_ipaddr_isbroadcast()

u8_t uip_ipaddr_isbroadcast	(	struct uip_ip_addr *	addr,
		struct uip_netif *	netif
	)

uip_ipaton()

s32_t uip_ipaton	(	const u8_t *	cp,
		struct in_addr *	addr
	)

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uip_ipinit()

void uip_ipinit

(

)

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uip_ipinput()

s8_t uip_ipinput	(	struct uip_pbuf *	p,
		struct uip_netif *	inp
	)

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uip_ipoutput()

s8_t uip_ipoutput	(	struct uip_pbuf *	p,
		struct uip_ip_addr *	src,
		struct uip_ip_addr *	dst,
		u8_t	ttl,
		u8_t	tos,
		u8_t	proto
	)

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uip_ipoutput_if()

s8_t uip_ipoutput_if	(	struct uip_pbuf *	p,
		struct uip_ip_addr *	src,
		struct uip_ip_addr *	dst,
		u8_t	ttl,
		u8_t	tos,
		u8_t	proto,
		struct uip_netif *	netif
	)

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uip_iproute()

struct uip_netif* uip_iproute

(

struct uip_ip_addr *

dst

)

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Variable Documentation

PACK_STRUCT_STRUCT

PACK_STRUCT_END PACK_STRUCT_BEGIN struct uip_ip_hdr PACK_STRUCT_STRUCT