[apple/xnu.git] / osfmk / kdp / kdp_udp.h

/*
 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * The contents of this file constitute Original Code as defined in and
 * are subject to the Apple Public Source License Version 1.1 (the
 * "License").  You may not use this file except in compliance with the
 * License.  Please obtain a copy of the License at
 * http://www.apple.com/publicsource and read it before using this file.
 * 
 * This Original Code and all software distributed under the License are
 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
/*
 * Copyright (c) 1982, 1986, 1993
 *      The Regents of the University of California.  All rights reserved.
 */

#include <libsa/types.h>
#include <libkern/OSByteOrder.h>   /* OSSwap functions */

#define     ETHERMTU        1500
#define     ETHERHDRSIZE    14
#define     ETHERCRC        4
#define     KDP_MAXPACKET   (ETHERHDRSIZE + ETHERMTU + ETHERCRC)

struct in_addr {
        u_long 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 {
        caddr_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 */
};

struct  udpiphdr {
        struct  ipovly ui_i;            /* overlaid ip structure */
        struct  udphdr ui_u;            /* udp header */
};
#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 {
		u_long 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

#define    IPPROTO_UDP     17
#define    IPVERSION       4

struct  ether_header {
        u_char  ether_dhost[6];
        u_char  ether_shost[6];
        u_short ether_type;
};

typedef struct ether_header ether_header_t;

#define ETHERTYPE_IP       0x0800  /* IP protocol */

#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
Commit	Line	Data
1c79356b A	1	/*
	2	* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
	3	*
6601e61a	4	* @APPLE_LICENSE_HEADER_START@
1c79356b	5	*
6601e61a A	6	* The contents of this file constitute Original Code as defined in and
	7	* are subject to the Apple Public Source License Version 1.1 (the
	8	* "License"). You may not use this file except in compliance with the
	9	* License. Please obtain a copy of the License at
	10	* http://www.apple.com/publicsource and read it before using this file.
8f6c56a5	11	*
6601e61a A	12	* This Original Code and all software distributed under the License are
6601e61a A	13	* distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
8f6c56a5 A	14	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
8f6c56a5 A	15	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
6601e61a A	16	* FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
	17	* License for the specific language governing rights and limitations
	18	* under the License.
8f6c56a5	19	*
6601e61a	20	* @APPLE_LICENSE_HEADER_END@
1c79356b	21	*/
9bccf70c A	22	/*
	23	* Copyright (c) 1982, 1986, 1993
	24	* The Regents of the University of California. All rights reserved.
	25	*/
1c79356b	26
9bccf70c	27	#include <libsa/types.h>
1c79356b A	28	#include <libkern/OSByteOrder.h> /* OSSwap functions */
	29
	30	#define ETHERMTU 1500
	31	#define ETHERHDRSIZE 14
	32	#define ETHERCRC 4
	33	#define KDP_MAXPACKET (ETHERHDRSIZE + ETHERMTU + ETHERCRC)
	34
	35	struct in_addr {
	36	u_long s_addr;
	37	};
	38
	39	struct ether_addr {
	40	u_char ether_addr_octet[6];
	41	};
	42
	43	typedef struct ether_addr enet_addr_t;
	44
9bccf70c A	45	extern struct ether_addr kdp_get_mac_addr(void);
	46	unsigned int kdp_get_ip_address(void);
	47
1c79356b A	48	struct ipovly {
	49	caddr_t ih_next, ih_prev; /* for protocol sequence q's */
	50	u_char ih_x1; /* (unused) */
	51	u_char ih_pr; /* protocol */
	52	short ih_len; /* protocol length */
	53	struct in_addr ih_src; /* source internet address */
	54	struct in_addr ih_dst; /* destination internet address */
	55	};
	56
	57	struct udphdr {
	58	u_short uh_sport; /* source port */
	59	u_short uh_dport; /* destination port */
	60	short uh_ulen; /* udp length */
	61	u_short uh_sum; /* udp checksum */
	62	};
	63
	64	struct udpiphdr {
	65	struct ipovly ui_i; /* overlaid ip structure */
	66	struct udphdr ui_u; /* udp header */
	67	};
	68	#define ui_next ui_i.ih_next
	69	#define ui_prev ui_i.ih_prev
	70	#define ui_x1 ui_i.ih_x1
	71	#define ui_pr ui_i.ih_pr
	72	#define ui_len ui_i.ih_len
	73	#define ui_src ui_i.ih_src
	74	#define ui_dst ui_i.ih_dst
	75	#define ui_sport ui_u.uh_sport
	76	#define ui_dport ui_u.uh_dport
	77	#define ui_ulen ui_u.uh_ulen
	78	#define ui_sum ui_u.uh_sum
	79
	80	struct ip {
	81	union {
	82	u_long ip_w;
	83	struct {
	84	unsigned int
55e303ae	85	#ifdef __LITTLE_ENDIAN__
1c79356b A	86	ip_xhl:4, /* header length */
	87	ip_xv:4, /* version */
	88	ip_xtos:8, /* type of service */
	89	ip_xlen:16; /* total length */
	90	#endif
55e303ae	91	#ifdef __BIG_ENDIAN__
1c79356b A	92	ip_xv:4, /* version */
	93	ip_xhl:4, /* header length */
	94	ip_xtos:8, /* type of service */
	95	ip_xlen:16; /* total length */
	96	#endif
	97	} ip_x;
	98	} ip_vhltl;
	99	u_short ip_id; /* identification */
	100	short ip_off; /* fragment offset field */
	101	#define IP_DF 0x4000 /* dont fragment flag */
	102	#define IP_MF 0x2000 /* more fragments flag */
	103	#define IP_OFFMASK 0x1fff /* mask for fragmenting bits */
	104	u_char ip_ttl; /* time to live */
	105	u_char ip_p; /* protocol */
	106	u_short ip_sum; /* checksum */
	107	struct in_addr ip_src,ip_dst; /* source and dest address */
	108	};
	109	#define ip_v ip_vhltl.ip_x.ip_xv
	110	#define ip_hl ip_vhltl.ip_x.ip_xhl
	111	#define ip_tos ip_vhltl.ip_x.ip_xtos
	112	#define ip_len ip_vhltl.ip_x.ip_xlen
	113
	114	#define IPPROTO_UDP 17
	115	#define IPVERSION 4
	116
	117	struct ether_header {
	118	u_char ether_dhost[6];
	119	u_char ether_shost[6];
	120	u_short ether_type;
	121	};
	122
	123	typedef struct ether_header ether_header_t;
	124
	125	#define ETHERTYPE_IP 0x0800 /* IP protocol */
	126
	127	#define ntohs(x) OSSwapBigToHostInt16(x)
55e303ae	128	#define ntohl(x) OSSwapBigToHostInt32(x)
1c79356b	129	#define htons(x) OSSwapHostToBigInt16(x)
55e303ae	130	#define htonl(x) OSSwapHostToBigInt32(x)
9bccf70c A	131	/*
	132	* Ethernet Address Resolution Protocol.
	133	*
	134	* See RFC 826 for protocol description. Structure below is adapted
	135	* to resolving internet addresses. Field names used correspond to
	136	* RFC 826.
	137	*/
	138
	139	#define ETHERTYPE_ARP 0x0806 /* Addr. resolution protocol */
	140
	141	struct arphdr {
	142	u_short ar_hrd; /* format of hardware address */
	143	#define ARPHRD_ETHER 1 /* ethernet hardware format */
	144	#define ARPHRD_FRELAY 15 /* frame relay hardware format */
	145	u_short ar_pro; /* format of protocol address */
	146	u_char ar_hln; /* length of hardware address */
	147	u_char ar_pln; /* length of protocol address */
	148	u_short ar_op; /* one of: */
	149	#define ARPOP_REQUEST 1 /* request to resolve address */
	150	#define ARPOP_REPLY 2 /* response to previous request */
	151	#define ARPOP_REVREQUEST 3 /* request protocol address given hardware */
	152	#define ARPOP_REVREPLY 4 /* response giving protocol address */
	153	#define ARPOP_INVREQUEST 8 /* request to identify peer */
	154	#define ARPOP_INVREPLY 9 /* response identifying peer */
	155	};
	156
	157	#define ETHER_ADDR_LEN 6
	158
	159	struct ether_arp {
	160	struct arphdr ea_hdr; /* fixed-size header */
	161	u_char arp_sha[ETHER_ADDR_LEN]; /* sender hardware address */
	162	u_char arp_spa[4]; /* sender protocol address */
	163	u_char arp_tha[ETHER_ADDR_LEN]; /* target hardware address */
	164	u_char arp_tpa[4]; /* target protocol address */
	165	};
	166	#define arp_hrd ea_hdr.ar_hrd
	167	#define arp_pro ea_hdr.ar_pro
	168	#define arp_hln ea_hdr.ar_hln
	169	#define arp_pln ea_hdr.ar_pln
	170	#define arp_op ea_hdr.ar_op