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

/*
 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
 * 
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. The rights granted to you under the License
 * may not be used to create, or enable the creation or redistribution of,
 * unlawful or unlicensed copies of an Apple operating system, or to
 * circumvent, violate, or enable the circumvention or violation of, any
 * terms of an Apple operating system software license agreement.
 * 
 * Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this file.
 * 
 * The 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, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 * 
 * @APPLE_OSREFERENCE_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 */
#include <stdint.h>

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

struct 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 */
};

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 {
		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

#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	*
2d21ac55	4	* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
1c79356b	5	*
2d21ac55 A	6	* This file contains Original Code and/or Modifications of Original Code
	7	* as defined in and that are subject to the Apple Public Source License
	8	* Version 2.0 (the 'License'). You may not use this file except in
	9	* compliance with the License. The rights granted to you under the License
	10	* may not be used to create, or enable the creation or redistribution of,
	11	* unlawful or unlicensed copies of an Apple operating system, or to
	12	* circumvent, violate, or enable the circumvention or violation of, any
	13	* terms of an Apple operating system software license agreement.
8f6c56a5	14	*
2d21ac55 A	15	* Please obtain a copy of the License at
	16	* http://www.opensource.apple.com/apsl/ and read it before using this file.
	17	*
	18	* The Original Code and all software distributed under the License are
	19	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
8f6c56a5 A	20	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
8f6c56a5 A	21	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
2d21ac55 A	22	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	23	* Please see the License for the specific language governing rights and
	24	* limitations under the License.
8f6c56a5	25	*
2d21ac55	26	* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
1c79356b	27	*/
9bccf70c A	28	/*
	29	* Copyright (c) 1982, 1986, 1993
	30	* The Regents of the University of California. All rights reserved.
	31	*/
1c79356b	32
9bccf70c	33	#include <libsa/types.h>
1c79356b	34	#include <libkern/OSByteOrder.h> /* OSSwap functions */
b0d623f7	35	#include <stdint.h>
1c79356b A	36
	37	#define ETHERMTU 1500
	38	#define ETHERHDRSIZE 14
	39	#define ETHERCRC 4
	40	#define KDP_MAXPACKET (ETHERHDRSIZE + ETHERMTU + ETHERCRC)
	41
	42	struct in_addr {
b0d623f7	43	uint32_t s_addr;
1c79356b A	44	};
	45
	46	struct ether_addr {
	47	u_char ether_addr_octet[6];
	48	};
	49
	50	typedef struct ether_addr enet_addr_t;
	51
9bccf70c A	52	extern struct ether_addr kdp_get_mac_addr(void);
	53	unsigned int kdp_get_ip_address(void);
	54
1c79356b	55	struct ipovly {
b0d623f7	56	uint32_t ih_next, ih_prev; /* for protocol sequence q's */
1c79356b A	57	u_char ih_x1; /* (unused) */
	58	u_char ih_pr; /* protocol */
	59	short ih_len; /* protocol length */
	60	struct in_addr ih_src; /* source internet address */
	61	struct in_addr ih_dst; /* destination internet address */
	62	};
	63
	64	struct udphdr {
	65	u_short uh_sport; /* source port */
	66	u_short uh_dport; /* destination port */
	67	short uh_ulen; /* udp length */
	68	u_short uh_sum; /* udp checksum */
	69	};
	70
	71	struct udpiphdr {
	72	struct ipovly ui_i; /* overlaid ip structure */
	73	struct udphdr ui_u; /* udp header */
	74	};
	75	#define ui_next ui_i.ih_next
	76	#define ui_prev ui_i.ih_prev
	77	#define ui_x1 ui_i.ih_x1
	78	#define ui_pr ui_i.ih_pr
	79	#define ui_len ui_i.ih_len
	80	#define ui_src ui_i.ih_src
	81	#define ui_dst ui_i.ih_dst
	82	#define ui_sport ui_u.uh_sport
	83	#define ui_dport ui_u.uh_dport
	84	#define ui_ulen ui_u.uh_ulen
	85	#define ui_sum ui_u.uh_sum
	86
	87	struct ip {
	88	union {
b0d623f7	89	uint32_t ip_w;
1c79356b A	90	struct {
1c79356b A	91	unsigned int
55e303ae	92	#ifdef __LITTLE_ENDIAN__
1c79356b A	93	ip_xhl:4, /* header length */
	94	ip_xv:4, /* version */
	95	ip_xtos:8, /* type of service */
	96	ip_xlen:16; /* total length */
	97	#endif
55e303ae	98	#ifdef __BIG_ENDIAN__
1c79356b A	99	ip_xv:4, /* version */
	100	ip_xhl:4, /* header length */
	101	ip_xtos:8, /* type of service */
	102	ip_xlen:16; /* total length */
	103	#endif
	104	} ip_x;
	105	} ip_vhltl;
	106	u_short ip_id; /* identification */
	107	short ip_off; /* fragment offset field */
	108	#define IP_DF 0x4000 /* dont fragment flag */
	109	#define IP_MF 0x2000 /* more fragments flag */
	110	#define IP_OFFMASK 0x1fff /* mask for fragmenting bits */
	111	u_char ip_ttl; /* time to live */
	112	u_char ip_p; /* protocol */
	113	u_short ip_sum; /* checksum */
	114	struct in_addr ip_src,ip_dst; /* source and dest address */
	115	};
	116	#define ip_v ip_vhltl.ip_x.ip_xv
	117	#define ip_hl ip_vhltl.ip_x.ip_xhl
	118	#define ip_tos ip_vhltl.ip_x.ip_xtos
	119	#define ip_len ip_vhltl.ip_x.ip_xlen
	120
	121	#define IPPROTO_UDP 17
	122	#define IPVERSION 4
	123
	124	struct ether_header {
	125	u_char ether_dhost[6];
	126	u_char ether_shost[6];
	127	u_short ether_type;
	128	};
	129
	130	typedef struct ether_header ether_header_t;
	131
	132	#define ETHERTYPE_IP 0x0800 /* IP protocol */
	133
	134	#define ntohs(x) OSSwapBigToHostInt16(x)
55e303ae	135	#define ntohl(x) OSSwapBigToHostInt32(x)
1c79356b	136	#define htons(x) OSSwapHostToBigInt16(x)
55e303ae	137	#define htonl(x) OSSwapHostToBigInt32(x)
9bccf70c A	138	/*
	139	* Ethernet Address Resolution Protocol.
	140	*
	141	* See RFC 826 for protocol description. Structure below is adapted
	142	* to resolving internet addresses. Field names used correspond to
	143	* RFC 826.
	144	*/
	145
	146	#define ETHERTYPE_ARP 0x0806 /* Addr. resolution protocol */
	147
	148	struct arphdr {
	149	u_short ar_hrd; /* format of hardware address */
	150	#define ARPHRD_ETHER 1 /* ethernet hardware format */
	151	#define ARPHRD_FRELAY 15 /* frame relay hardware format */
	152	u_short ar_pro; /* format of protocol address */
	153	u_char ar_hln; /* length of hardware address */
	154	u_char ar_pln; /* length of protocol address */
	155	u_short ar_op; /* one of: */
	156	#define ARPOP_REQUEST 1 /* request to resolve address */
	157	#define ARPOP_REPLY 2 /* response to previous request */
	158	#define ARPOP_REVREQUEST 3 /* request protocol address given hardware */
	159	#define ARPOP_REVREPLY 4 /* response giving protocol address */
	160	#define ARPOP_INVREQUEST 8 /* request to identify peer */
	161	#define ARPOP_INVREPLY 9 /* response identifying peer */
	162	};
	163
	164	#define ETHER_ADDR_LEN 6
	165
	166	struct ether_arp {
	167	struct arphdr ea_hdr; /* fixed-size header */
	168	u_char arp_sha[ETHER_ADDR_LEN]; /* sender hardware address */
	169	u_char arp_spa[4]; /* sender protocol address */
	170	u_char arp_tha[ETHER_ADDR_LEN]; /* target hardware address */
	171	u_char arp_tpa[4]; /* target protocol address */
	172	};
	173	#define arp_hrd ea_hdr.ar_hrd
	174	#define arp_pro ea_hdr.ar_pro
	175	#define arp_hln ea_hdr.ar_hln
	176	#define arp_pln ea_hdr.ar_pln
	177	#define arp_op ea_hdr.ar_op