/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2013 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
#include <libkern/OSByteOrder.h> /* OSSwap functions */
#include <stdint.h>
-#define ETHERMTU 1500
-#define ETHERHDRSIZE 14
-#define ETHERCRC 4
-#define KDP_MAXPACKET (ETHERHDRSIZE + ETHERMTU + ETHERCRC)
-
-struct in_addr {
+struct kdp_in_addr {
uint32_t s_addr;
};
-struct ether_addr {
- u_char ether_addr_octet[6];
-};
-
-typedef struct ether_addr enet_addr_t;
-
-extern struct ether_addr kdp_get_mac_addr(void);
-unsigned int kdp_get_ip_address(void);
-
-struct ipovly {
- uint32_t ih_next, ih_prev; /* for protocol sequence q's */
- u_char ih_x1; /* (unused) */
- u_char ih_pr; /* protocol */
- short ih_len; /* protocol length */
- struct in_addr ih_src; /* source internet address */
- struct in_addr ih_dst; /* destination internet address */
-};
-
-struct udphdr {
- u_short uh_sport; /* source port */
- u_short uh_dport; /* destination port */
- short uh_ulen; /* udp length */
- u_short uh_sum; /* udp checksum */
-};
+#define ETHER_ADDR_LEN 6
-struct udpiphdr {
- struct ipovly ui_i; /* overlaid ip structure */
- struct udphdr ui_u; /* udp header */
+struct kdp_ether_addr {
+ u_char ether_addr_octet[ETHER_ADDR_LEN];
};
-#define ui_next ui_i.ih_next
-#define ui_prev ui_i.ih_prev
-#define ui_x1 ui_i.ih_x1
-#define ui_pr ui_i.ih_pr
-#define ui_len ui_i.ih_len
-#define ui_src ui_i.ih_src
-#define ui_dst ui_i.ih_dst
-#define ui_sport ui_u.uh_sport
-#define ui_dport ui_u.uh_dport
-#define ui_ulen ui_u.uh_ulen
-#define ui_sum ui_u.uh_sum
-struct ip {
- union {
- uint32_t ip_w;
- struct {
- unsigned int
-#ifdef __LITTLE_ENDIAN__
- ip_xhl:4, /* header length */
- ip_xv:4, /* version */
- ip_xtos:8, /* type of service */
- ip_xlen:16; /* total length */
-#endif
-#ifdef __BIG_ENDIAN__
- ip_xv:4, /* version */
- ip_xhl:4, /* header length */
- ip_xtos:8, /* type of service */
- ip_xlen:16; /* total length */
-#endif
- } ip_x;
- } ip_vhltl;
- u_short ip_id; /* identification */
- short ip_off; /* fragment offset field */
-#define IP_DF 0x4000 /* dont fragment flag */
-#define IP_MF 0x2000 /* more fragments flag */
-#define IP_OFFMASK 0x1fff /* mask for fragmenting bits */
- u_char ip_ttl; /* time to live */
- u_char ip_p; /* protocol */
- u_short ip_sum; /* checksum */
- struct in_addr ip_src,ip_dst; /* source and dest address */
-};
-#define ip_v ip_vhltl.ip_x.ip_xv
-#define ip_hl ip_vhltl.ip_x.ip_xhl
-#define ip_tos ip_vhltl.ip_x.ip_xtos
-#define ip_len ip_vhltl.ip_x.ip_xlen
+typedef struct kdp_ether_addr enet_addr_t;
-#define IPPROTO_UDP 17
-#define IPVERSION 4
+extern struct kdp_ether_addr kdp_get_mac_addr(void);
+unsigned int kdp_get_ip_address(void);
-struct ether_header {
- u_char ether_dhost[6];
- u_char ether_shost[6];
+struct kdp_ether_header {
+ u_char ether_dhost[ETHER_ADDR_LEN];
+ u_char ether_shost[ETHER_ADDR_LEN];
u_short ether_type;
};
-typedef struct ether_header ether_header_t;
-
-#define ETHERTYPE_IP 0x0800 /* IP protocol */
+typedef struct kdp_ether_header ether_header_t;
#define ntohs(x) OSSwapBigToHostInt16(x)
#define ntohl(x) OSSwapBigToHostInt32(x)
#define htons(x) OSSwapHostToBigInt16(x)
#define htonl(x) OSSwapHostToBigInt32(x)
-/*
- * Ethernet Address Resolution Protocol.
- *
- * See RFC 826 for protocol description. Structure below is adapted
- * to resolving internet addresses. Field names used correspond to
- * RFC 826.
- */
-
-#define ETHERTYPE_ARP 0x0806 /* Addr. resolution protocol */
-
-struct arphdr {
- u_short ar_hrd; /* format of hardware address */
-#define ARPHRD_ETHER 1 /* ethernet hardware format */
-#define ARPHRD_FRELAY 15 /* frame relay hardware format */
- u_short ar_pro; /* format of protocol address */
- u_char ar_hln; /* length of hardware address */
- u_char ar_pln; /* length of protocol address */
- u_short ar_op; /* one of: */
-#define ARPOP_REQUEST 1 /* request to resolve address */
-#define ARPOP_REPLY 2 /* response to previous request */
-#define ARPOP_REVREQUEST 3 /* request protocol address given hardware */
-#define ARPOP_REVREPLY 4 /* response giving protocol address */
-#define ARPOP_INVREQUEST 8 /* request to identify peer */
-#define ARPOP_INVREPLY 9 /* response identifying peer */
-};
-
-#define ETHER_ADDR_LEN 6
-
-struct ether_arp {
- struct arphdr ea_hdr; /* fixed-size header */
- u_char arp_sha[ETHER_ADDR_LEN]; /* sender hardware address */
- u_char arp_spa[4]; /* sender protocol address */
- u_char arp_tha[ETHER_ADDR_LEN]; /* target hardware address */
- u_char arp_tpa[4]; /* target protocol address */
-};
-#define arp_hrd ea_hdr.ar_hrd
-#define arp_pro ea_hdr.ar_pro
-#define arp_hln ea_hdr.ar_hln
-#define arp_pln ea_hdr.ar_pln
-#define arp_op ea_hdr.ar_op