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63 lines
1.9 KiB
C
63 lines
1.9 KiB
C
#ifndef __IP_ADDR_H__
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#define __IP_ADDR_H__
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#include "c_types.h"
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struct ip_addr {
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uint32 addr;
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};
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typedef struct ip_addr ip_addr_t;
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struct ip_info {
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struct ip_addr ip;
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struct ip_addr netmask;
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struct ip_addr gw;
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};
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/**
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* Determine if two address are on the same network.
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*
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* @arg addr1 IP address 1
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* @arg addr2 IP address 2
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* @arg mask network identifier mask
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* @return !0 if the network identifiers of both address match
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*/
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#define ip_addr_netcmp(addr1, addr2, mask) (((addr1)->addr & \
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(mask)->addr) == \
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((addr2)->addr & \
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(mask)->addr))
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/** Set an IP address given by the four byte-parts.
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Little-endian version that prevents the use of htonl. */
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#define IP4_ADDR(ipaddr, a,b,c,d) \
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(ipaddr)->addr = ((uint32)((d) & 0xff) << 24) | \
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((uint32)((c) & 0xff) << 16) | \
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((uint32)((b) & 0xff) << 8) | \
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(uint32)((a) & 0xff)
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#define ip4_addr1(ipaddr) (((uint8*)(ipaddr))[0])
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#define ip4_addr2(ipaddr) (((uint8*)(ipaddr))[1])
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#define ip4_addr3(ipaddr) (((uint8*)(ipaddr))[2])
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#define ip4_addr4(ipaddr) (((uint8*)(ipaddr))[3])
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#define ip4_addr1_16(ipaddr) ((uint16)ip4_addr1(ipaddr))
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#define ip4_addr2_16(ipaddr) ((uint16)ip4_addr2(ipaddr))
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#define ip4_addr3_16(ipaddr) ((uint16)ip4_addr3(ipaddr))
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#define ip4_addr4_16(ipaddr) ((uint16)ip4_addr4(ipaddr))
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/** 255.255.255.255 */
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#define IPADDR_NONE ((uint32)0xffffffffUL)
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/** 0.0.0.0 */
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#define IPADDR_ANY ((uint32)0x00000000UL)
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uint32 ipaddr_addr(const char *cp);
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#define IP2STR(addr) (uint8_t)(addr & 0xFF), (uint8_t)((addr >> 8) & 0xFF), (uint8_t)((addr >> 16) & 0xFF), (uint8_t)((addr >> 24) & 0xFF)
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#define IPSTR "%d.%d.%d.%d"
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#define MAC2STR(mac) (uint8_t)mac[0], (uint8_t)mac[1], (uint8_t)mac[2], (uint8_t)mac[3], (uint8_t)mac[4], (uint8_t)mac[5]
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#define MACSTR "%02x:%02x:%02x:%02x:%02x:%02x"
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#endif /* __IP_ADDR_H__ */
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