/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2016 Apple 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
+ * @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 OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
+ * 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
#ifndef _NETINET_IP_H_
#define _NETINET_IP_H_
+#ifndef DRIVERKIT
#include <sys/appleapiopts.h>
-#include <sys/types.h> /* XXX temporary hack to get u_ types */
+#include <sys/types.h> /* XXX temporary hack to get u_ types */
+#else
+#include <sys/_types.h>
+#include <sys/_types/_u_int.h>
+#include <sys/_types/_u_char.h>
+#include <sys/_types/_u_short.h>
+
+#include <machine/endian.h>
+#endif /* DRIVERKIT */
+
#include <netinet/in.h>
#include <netinet/in_systm.h>
-
/*
* Definitions for internet protocol version 4.
* Per RFC 791, September 1981.
*/
-#define IPVERSION 4
+#define IPVERSION 4
/*
* Structure of an internet header, naked of options.
*/
struct ip {
#ifdef _IP_VHL
- u_char ip_vhl; /* version << 4 | header length >> 2 */
+ u_char ip_vhl; /* version << 4 | header length >> 2 */
#else
#if BYTE_ORDER == LITTLE_ENDIAN
- u_int ip_hl:4, /* header length */
- ip_v:4; /* version */
+ u_int ip_hl:4, /* header length */
+ ip_v:4; /* version */
#endif
#if BYTE_ORDER == BIG_ENDIAN
- u_int ip_v:4, /* version */
- ip_hl:4; /* header length */
+ u_int ip_v:4, /* version */
+ ip_hl:4; /* header length */
#endif
#endif /* not _IP_VHL */
- u_char ip_tos; /* type of service */
- u_short ip_len; /* total length */
- u_short ip_id; /* identification */
- u_short ip_off; /* fragment offset field */
-#define IP_RF 0x8000 /* reserved fragment flag */
-#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 */
+ u_char ip_tos; /* type of service */
+ u_short ip_len; /* total length */
+ u_short ip_id; /* identification */
+ u_short ip_off; /* fragment offset field */
+#define IP_RF 0x8000 /* reserved fragment flag */
+#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 */
};
#ifdef _IP_VHL
-#define IP_MAKE_VHL(v, hl) ((v) << 4 | (hl))
-#define IP_VHL_HL(vhl) ((vhl) & 0x0f)
-#define IP_VHL_V(vhl) ((vhl) >> 4)
-#define IP_VHL_BORING 0x45
+#define IP_MAKE_VHL(v, hl) ((uint8_t)((v) << 4 | (hl)))
+#define IP_VHL_HL(vhl) ((vhl) & 0x0f)
+#define IP_VHL_V(vhl) ((vhl) >> 4)
+#define IP_VHL_BORING 0x45
#endif
-#define IP_MAXPACKET 65535 /* maximum packet size */
+#define IP_MAXPACKET 65535 /* maximum packet size */
/*
* Definitions for IP type of service (ip_tos)
*/
-#define IPTOS_LOWDELAY 0x10
-#define IPTOS_THROUGHPUT 0x08
-#define IPTOS_RELIABILITY 0x04
-#define IPTOS_MINCOST 0x02
-/* ECN bits proposed by Sally Floyd */
-#define IPTOS_CE 0x01 /* congestion experienced */
-#define IPTOS_ECT 0x02 /* ECN-capable transport */
+#define IPTOS_LOWDELAY 0x10
+#define IPTOS_THROUGHPUT 0x08
+#define IPTOS_RELIABILITY 0x04
+#define IPTOS_MINCOST 0x02
+#if 1
+/* ECN RFC3168 obsoletes RFC2481, and these will be deprecated soon. */
+#define IPTOS_CE 0x01
+#define IPTOS_ECT 0x02
+#endif
+
+#define IPTOS_DSCP_SHIFT 2
+/*
+ * ECN (Explicit Congestion Notification) codepoints in RFC3168
+ * mapped to the lower 2 bits of the TOS field.
+ */
+#define IPTOS_ECN_NOTECT 0x00 /* not-ECT */
+#define IPTOS_ECN_ECT1 0x01 /* ECN-capable transport (1) */
+#define IPTOS_ECN_ECT0 0x02 /* ECN-capable transport (0) */
+#define IPTOS_ECN_CE 0x03 /* congestion experienced */
+#define IPTOS_ECN_MASK 0x03 /* ECN field mask */
/*
* Definitions for IP precedence (also in ip_tos) (hopefully unused)
*/
-#define IPTOS_PREC_NETCONTROL 0xe0
-#define IPTOS_PREC_INTERNETCONTROL 0xc0
-#define IPTOS_PREC_CRITIC_ECP 0xa0
-#define IPTOS_PREC_FLASHOVERRIDE 0x80
-#define IPTOS_PREC_FLASH 0x60
-#define IPTOS_PREC_IMMEDIATE 0x40
-#define IPTOS_PREC_PRIORITY 0x20
-#define IPTOS_PREC_ROUTINE 0x00
+#define IPTOS_PREC_NETCONTROL 0xe0
+#define IPTOS_PREC_INTERNETCONTROL 0xc0
+#define IPTOS_PREC_CRITIC_ECP 0xa0
+#define IPTOS_PREC_FLASHOVERRIDE 0x80
+#define IPTOS_PREC_FLASH 0x60
+#define IPTOS_PREC_IMMEDIATE 0x40
+#define IPTOS_PREC_PRIORITY 0x20
+#define IPTOS_PREC_ROUTINE 0x00
+
+#ifdef PRIVATE
+/*
+ * Definitions of traffic class for use within wireless LAN.
+ * Mainly used by AFP for backup. Not recommended for general use.
+ */
+#define IP_TCLASS_BE 0x00 /* standard, best effort */
+#define IP_TCLASS_BK 0x20 /* Background, low priority */
+#define IP_TCLASS_VI 0x80 /* Interactive */
+#define IP_TCLASS_VO 0xc0 /* Signalling */
+#endif
/*
* Definitions for options.
*/
-#define IPOPT_COPIED(o) ((o)&0x80)
-#define IPOPT_CLASS(o) ((o)&0x60)
-#define IPOPT_NUMBER(o) ((o)&0x1f)
-
-#define IPOPT_CONTROL 0x00
-#define IPOPT_RESERVED1 0x20
-#define IPOPT_DEBMEAS 0x40
-#define IPOPT_RESERVED2 0x60
-
-#define IPOPT_EOL 0 /* end of option list */
-#define IPOPT_NOP 1 /* no operation */
-
-#define IPOPT_RR 7 /* record packet route */
-#define IPOPT_TS 68 /* timestamp */
-#define IPOPT_SECURITY 130 /* provide s,c,h,tcc */
-#define IPOPT_LSRR 131 /* loose source route */
-#define IPOPT_SATID 136 /* satnet id */
-#define IPOPT_SSRR 137 /* strict source route */
-#define IPOPT_RA 148 /* router alert */
+#define IPOPT_COPIED(o) ((o)&0x80)
+#define IPOPT_CLASS(o) ((o)&0x60)
+#define IPOPT_NUMBER(o) ((o)&0x1f)
+
+#define IPOPT_CONTROL 0x00
+#define IPOPT_RESERVED1 0x20
+#define IPOPT_DEBMEAS 0x40
+#define IPOPT_RESERVED2 0x60
+
+#define IPOPT_EOL 0 /* end of option list */
+#define IPOPT_NOP 1 /* no operation */
+
+#define IPOPT_RR 7 /* record packet route */
+#define IPOPT_TS 68 /* timestamp */
+#define IPOPT_SECURITY 130 /* provide s,c,h,tcc */
+#define IPOPT_LSRR 131 /* loose source route */
+#define IPOPT_SATID 136 /* satnet id */
+#define IPOPT_SSRR 137 /* strict source route */
+#define IPOPT_RA 148 /* router alert */
/*
* Offsets to fields in options other than EOL and NOP.
*/
-#define IPOPT_OPTVAL 0 /* option ID */
-#define IPOPT_OLEN 1 /* option length */
-#define IPOPT_OFFSET 2 /* offset within option */
-#define IPOPT_MINOFF 4 /* min value of above */
+#define IPOPT_OPTVAL 0 /* option ID */
+#define IPOPT_OLEN 1 /* option length */
+#define IPOPT_OFFSET 2 /* offset within option */
+#define IPOPT_MINOFF 4 /* min value of above */
/*
* Time stamp option structure.
*/
-struct ip_timestamp {
- u_char ipt_code; /* IPOPT_TS */
- u_char ipt_len; /* size of structure (variable) */
- u_char ipt_ptr; /* index of current entry */
+struct ip_timestamp {
+ u_char ipt_code; /* IPOPT_TS */
+ u_char ipt_len; /* size of structure (variable) */
+ u_char ipt_ptr; /* index of current entry */
#if BYTE_ORDER == LITTLE_ENDIAN
- u_int ipt_flg:4, /* flags, see below */
- ipt_oflw:4; /* overflow counter */
+ u_int ipt_flg:4, /* flags, see below */
+ ipt_oflw:4; /* overflow counter */
#endif
#if BYTE_ORDER == BIG_ENDIAN
- u_int ipt_oflw:4, /* overflow counter */
- ipt_flg:4; /* flags, see below */
+ u_int ipt_oflw:4, /* overflow counter */
+ ipt_flg:4; /* flags, see below */
#endif
union ipt_timestamp {
- n_long ipt_time[1];
- struct ipt_ta {
+ n_long ipt_time[1];
+ struct ipt_ta {
struct in_addr ipt_addr;
n_long ipt_time;
} ipt_ta[1];
};
/* flag bits for ipt_flg */
-#define IPOPT_TS_TSONLY 0 /* timestamps only */
-#define IPOPT_TS_TSANDADDR 1 /* timestamps and addresses */
-#define IPOPT_TS_PRESPEC 3 /* specified modules only */
+#define IPOPT_TS_TSONLY 0 /* timestamps only */
+#define IPOPT_TS_TSANDADDR 1 /* timestamps and addresses */
+#define IPOPT_TS_PRESPEC 3 /* specified modules only */
/* bits for security (not byte swapped) */
-#define IPOPT_SECUR_UNCLASS 0x0000
-#define IPOPT_SECUR_CONFID 0xf135
-#define IPOPT_SECUR_EFTO 0x789a
-#define IPOPT_SECUR_MMMM 0xbc4d
-#define IPOPT_SECUR_RESTR 0xaf13
-#define IPOPT_SECUR_SECRET 0xd788
-#define IPOPT_SECUR_TOPSECRET 0x6bc5
+#define IPOPT_SECUR_UNCLASS 0x0000
+#define IPOPT_SECUR_CONFID 0xf135
+#define IPOPT_SECUR_EFTO 0x789a
+#define IPOPT_SECUR_MMMM 0xbc4d
+#define IPOPT_SECUR_RESTR 0xaf13
+#define IPOPT_SECUR_SECRET 0xd788
+#define IPOPT_SECUR_TOPSECRET 0x6bc5
/*
* Internet implementation parameters.
*/
-#define MAXTTL 255 /* maximum time to live (seconds) */
-#define IPDEFTTL 64 /* default ttl, from RFC 1340 */
-#define IPFRAGTTL 60 /* time to live for frags, slowhz */
-#define IPTTLDEC 1 /* subtracted when forwarding */
+#define MAXTTL 255 /* maximum time to live (seconds) */
+#define IPDEFTTL 64 /* default ttl, from RFC 1340 */
+#define IPFRAGTTL 30 /* time to live for frags (seconds) */
+#define IPTTLDEC 1 /* subtracted when forwarding */
-#define IP_MSS 576 /* default maximum segment size */
+#define IP_MSS 576 /* default maximum segment size */
#endif
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